chore: code cleanup

Currently, it can only validate whether a cycle exists in proxies, and cannot determine if it is caused by groups.

.github/patch/go1.21.patch

@@ -0,0 +1,182 @@
+Subject: [PATCH] Revert "[release-branch.go1.21] crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision 8bba868de983dd7bf55fcd121495ba8d6e2734e7)
++++ b/src/crypto/rand/rand.go	(revision 7e6c963d81e14ee394402671d4044b2940c8d2c1)
+@@ -15,7 +15,7 @@
+ // available, /dev/urandom otherwise.
+ // On OpenBSD and macOS, Reader uses getentropy(2).
+ // On other Unix-like systems, Reader reads from /dev/urandom.
+-// On Windows systems, Reader uses the ProcessPrng API.
++// On Windows systems, Reader uses the RtlGenRandom API.
+ // On JS/Wasm, Reader uses the Web Crypto API.
+ // On WASIP1/Wasm, Reader uses random_get from wasi_snapshot_preview1.
+ var Reader io.Reader
+Index: src/crypto/rand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand_windows.go b/src/crypto/rand/rand_windows.go
+--- a/src/crypto/rand/rand_windows.go	(revision 8bba868de983dd7bf55fcd121495ba8d6e2734e7)
++++ b/src/crypto/rand/rand_windows.go	(revision 7e6c963d81e14ee394402671d4044b2940c8d2c1)
+@@ -15,8 +15,11 @@
+ 
+ type rngReader struct{}
+ 
+-func (r *rngReader) Read(b []byte) (int, error) {
+-	if err := windows.ProcessPrng(b); err != nil {
++func (r *rngReader) Read(b []byte) (n int, err error) {
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	if err := batched(windows.RtlGenRandom, 1<<31-1)(b); err != nil {
+ 		return 0, err
+ 	}
+ 	return len(b), nil
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision 8bba868de983dd7bf55fcd121495ba8d6e2734e7)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision 7e6c963d81e14ee394402671d4044b2940c8d2c1)
+@@ -384,7 +384,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ //sys	RtlLookupFunctionEntry(pc uintptr, baseAddress *uintptr, table *byte) (ret uintptr) = kernel32.RtlLookupFunctionEntry
+ //sys	RtlVirtualUnwind(handlerType uint32, baseAddress uintptr, pc uintptr, entry uintptr, ctxt uintptr, data *uintptr, frame *uintptr, ctxptrs *byte) (ret uintptr) = kernel32.RtlVirtualUnwind
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision 8bba868de983dd7bf55fcd121495ba8d6e2734e7)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision 7e6c963d81e14ee394402671d4044b2940c8d2c1)
+@@ -37,14 +37,13 @@
+ }
+ 
+ var (
+-	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+-	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+-	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+-	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+-	modpsapi            = syscall.NewLazyDLL(sysdll.Add("psapi.dll"))
+-	moduserenv          = syscall.NewLazyDLL(sysdll.Add("userenv.dll"))
+-	modws2_32           = syscall.NewLazyDLL(sysdll.Add("ws2_32.dll"))
++	modadvapi32 = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
++	modiphlpapi = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
++	modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
++	modnetapi32 = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
++	modpsapi    = syscall.NewLazyDLL(sysdll.Add("psapi.dll"))
++	moduserenv  = syscall.NewLazyDLL(sysdll.Add("userenv.dll"))
++	modws2_32   = syscall.NewLazyDLL(sysdll.Add("ws2_32.dll"))
+ 
+ 	procAdjustTokenPrivileges        = modadvapi32.NewProc("AdjustTokenPrivileges")
+ 	procDuplicateTokenEx             = modadvapi32.NewProc("DuplicateTokenEx")
+@@ -53,7 +52,7 @@
+ 	procOpenThreadToken              = modadvapi32.NewProc("OpenThreadToken")
+ 	procRevertToSelf                 = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation          = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                  = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036            = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses         = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                 = modkernel32.NewProc("CreateEventW")
+ 	procGetACP                       = modkernel32.NewProc("GetACP")
+@@ -149,12 +148,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.Syscall(procProcessPrng.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
++	r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision 8bba868de983dd7bf55fcd121495ba8d6e2734e7)
++++ b/src/runtime/os_windows.go	(revision 7e6c963d81e14ee394402671d4044b2940c8d2c1)
+@@ -127,8 +127,15 @@
+ 	_AddVectoredContinueHandler,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -145,12 +152,12 @@
+ )
+ 
+ var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	kernel32dll         = [...]uint16{'k', 'e', 'r', 'n', 'e', 'l', '3', '2', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-	ws2_32dll           = [...]uint16{'w', 's', '2', '_', '3', '2', '.', 'd', 'l', 'l', 0}
++	advapi32dll = [...]uint16{'a', 'd', 'v', 'a', 'p', 'i', '3', '2', '.', 'd', 'l', 'l', 0}
++	kernel32dll = [...]uint16{'k', 'e', 'r', 'n', 'e', 'l', '3', '2', '.', 'd', 'l', 'l', 0}
++	ntdlldll    = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
++	powrprofdll = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
++	winmmdll    = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
++	ws2_32dll   = [...]uint16{'w', 's', '2', '_', '3', '2', '.', 'd', 'l', 'l', 0}
+ )
+ 
+ // Function to be called by windows CreateThread
+@@ -249,11 +256,11 @@
+ 	}
+ 	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
+ 
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	a32 := windowsLoadSystemLib(advapi32dll[:])
++	if a32 == 0 {
++		throw("advapi32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
+ 
+ 	n32 := windowsLoadSystemLib(ntdlldll[:])
+ 	if n32 == 0 {
+@@ -610,7 +617,7 @@
+ //go:nosplit
+ func getRandomData(r []byte) {
+ 	n := 0
+-	if stdcall2(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall2(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	extendRandom(r, n)

.github/patch/go1.22.patch

@@ -0,0 +1,645 @@
+Subject: [PATCH] Revert "runtime: always use LoadLibraryEx to load system libraries"
+Revert "syscall: remove Windows 7 console handle workaround"
+Revert "net: remove sysSocket fallback for Windows 7"
+Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision cb4eee693c382bea4222f20837e26501d40ed892)
++++ b/src/crypto/rand/rand.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
+@@ -15,7 +15,7 @@
+ // available, /dev/urandom otherwise.
+ // On OpenBSD and macOS, Reader uses getentropy(2).
+ // On other Unix-like systems, Reader reads from /dev/urandom.
+-// On Windows systems, Reader uses the ProcessPrng API.
++// On Windows systems, Reader uses the RtlGenRandom API.
+ // On JS/Wasm, Reader uses the Web Crypto API.
+ // On WASIP1/Wasm, Reader uses random_get from wasi_snapshot_preview1.
+ var Reader io.Reader
+Index: src/crypto/rand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand_windows.go b/src/crypto/rand/rand_windows.go
+--- a/src/crypto/rand/rand_windows.go	(revision cb4eee693c382bea4222f20837e26501d40ed892)
++++ b/src/crypto/rand/rand_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
+@@ -15,8 +15,11 @@
+ 
+ type rngReader struct{}
+ 
+-func (r *rngReader) Read(b []byte) (int, error) {
+-	if err := windows.ProcessPrng(b); err != nil {
++func (r *rngReader) Read(b []byte) (n int, err error) {
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	if err := batched(windows.RtlGenRandom, 1<<31-1)(b); err != nil {
+ 		return 0, err
+ 	}
+ 	return len(b), nil
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision cb4eee693c382bea4222f20837e26501d40ed892)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
+@@ -384,7 +384,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ type FILE_ID_BOTH_DIR_INFO struct {
+ 	NextEntryOffset uint32
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision cb4eee693c382bea4222f20837e26501d40ed892)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
+@@ -37,14 +37,13 @@
+ }
+ 
+ var (
+-	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+-	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+-	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+-	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+-	modpsapi            = syscall.NewLazyDLL(sysdll.Add("psapi.dll"))
+-	moduserenv          = syscall.NewLazyDLL(sysdll.Add("userenv.dll"))
+-	modws2_32           = syscall.NewLazyDLL(sysdll.Add("ws2_32.dll"))
++	modadvapi32 = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
++	modiphlpapi = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
++	modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
++	modnetapi32 = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
++	modpsapi    = syscall.NewLazyDLL(sysdll.Add("psapi.dll"))
++	moduserenv  = syscall.NewLazyDLL(sysdll.Add("userenv.dll"))
++	modws2_32   = syscall.NewLazyDLL(sysdll.Add("ws2_32.dll"))
+ 
+ 	procAdjustTokenPrivileges             = modadvapi32.NewProc("AdjustTokenPrivileges")
+ 	procDuplicateTokenEx                  = modadvapi32.NewProc("DuplicateTokenEx")
+@@ -56,7 +55,7 @@
+ 	procQueryServiceStatus                = modadvapi32.NewProc("QueryServiceStatus")
+ 	procRevertToSelf                      = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation               = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                       = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036                 = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses              = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                      = modkernel32.NewProc("CreateEventW")
+ 	procGetACP                            = modkernel32.NewProc("GetACP")
+@@ -180,12 +179,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.Syscall(procProcessPrng.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
++	r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision cb4eee693c382bea4222f20837e26501d40ed892)
++++ b/src/runtime/os_windows.go	(revision 83ff9782e024cb328b690cbf0da4e7848a327f4f)
+@@ -40,8 +40,8 @@
+ //go:cgo_import_dynamic runtime._GetSystemInfo GetSystemInfo%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._GetThreadContext GetThreadContext%2 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._SetThreadContext SetThreadContext%2 "kernel32.dll"
+-//go:cgo_import_dynamic runtime._LoadLibraryExW LoadLibraryExW%3 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._LoadLibraryW LoadLibraryW%1 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryA LoadLibraryA%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._PostQueuedCompletionStatus PostQueuedCompletionStatus%4 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceCounter QueryPerformanceCounter%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._RaiseFailFastException RaiseFailFastException%3 "kernel32.dll"
+@@ -74,7 +74,6 @@
+ 	// Following syscalls are available on every Windows PC.
+ 	// All these variables are set by the Windows executable
+ 	// loader before the Go program starts.
+-	_AddVectoredContinueHandler,
+ 	_AddVectoredExceptionHandler,
+ 	_CloseHandle,
+ 	_CreateEventA,
+@@ -98,8 +97,8 @@
+ 	_GetSystemInfo,
+ 	_GetThreadContext,
+ 	_SetThreadContext,
+-	_LoadLibraryExW,
+ 	_LoadLibraryW,
++	_LoadLibraryA,
+ 	_PostQueuedCompletionStatus,
+ 	_QueryPerformanceCounter,
+ 	_RaiseFailFastException,
+@@ -127,8 +126,23 @@
+ 	_WriteFile,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Following syscalls are only available on some Windows PCs.
++	// We will load syscalls, if available, before using them.
++	_AddDllDirectory,
++	_AddVectoredContinueHandler,
++	_LoadLibraryExA,
++	_LoadLibraryExW,
++	_ stdFunction
++
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -143,14 +157,6 @@
+ 	_ stdFunction
+ )
+ 
+-var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-	ws2_32dll           = [...]uint16{'w', 's', '2', '_', '3', '2', '.', 'd', 'l', 'l', 0}
+-)
+-
+ // Function to be called by windows CreateThread
+ // to start new os thread.
+ func tstart_stdcall(newm *m)
+@@ -239,25 +245,51 @@
+ 	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
+ }
+ 
+-func windowsLoadSystemLib(name []uint16) uintptr {
+-	return stdcall3(_LoadLibraryExW, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++//go:linkname syscall_getSystemDirectory syscall.getSystemDirectory
++func syscall_getSystemDirectory() string {
++	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
++}
++
++func windowsLoadSystemLib(name []byte) uintptr {
++	if useLoadLibraryEx {
++		return stdcall3(_LoadLibraryExA, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		absName := append(sysDirectory[:sysDirectoryLen], name...)
++		return stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&absName[0])))
++	}
+ }
+ 
+ func loadOptionalSyscalls() {
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	var kernel32dll = []byte("kernel32.dll\000")
++	k32 := stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&kernel32dll[0])))
++	if k32 == 0 {
++		throw("kernel32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_AddDllDirectory = windowsFindfunc(k32, []byte("AddDllDirectory\000"))
++	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
++	_LoadLibraryExA = windowsFindfunc(k32, []byte("LoadLibraryExA\000"))
++	_LoadLibraryExW = windowsFindfunc(k32, []byte("LoadLibraryExW\000"))
++	useLoadLibraryEx = (_LoadLibraryExW != nil && _LoadLibraryExA != nil && _AddDllDirectory != nil)
++
++	initSysDirectory()
+ 
+-	n32 := windowsLoadSystemLib(ntdlldll[:])
++	var advapi32dll = []byte("advapi32.dll\000")
++	a32 := windowsLoadSystemLib(advapi32dll)
++	if a32 == 0 {
++		throw("advapi32.dll not found")
++	}
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
++
++	var ntdll = []byte("ntdll.dll\000")
++	n32 := windowsLoadSystemLib(ntdll)
+ 	if n32 == 0 {
+ 		throw("ntdll.dll not found")
+ 	}
+ 	_RtlGetCurrentPeb = windowsFindfunc(n32, []byte("RtlGetCurrentPeb\000"))
+ 	_RtlGetNtVersionNumbers = windowsFindfunc(n32, []byte("RtlGetNtVersionNumbers\000"))
+ 
+-	m32 := windowsLoadSystemLib(winmmdll[:])
++	var winmmdll = []byte("winmm.dll\000")
++	m32 := windowsLoadSystemLib(winmmdll)
+ 	if m32 == 0 {
+ 		throw("winmm.dll not found")
+ 	}
+@@ -267,7 +299,8 @@
+ 		throw("timeBegin/EndPeriod not found")
+ 	}
+ 
+-	ws232 := windowsLoadSystemLib(ws2_32dll[:])
++	var ws232dll = []byte("ws2_32.dll\000")
++	ws232 := windowsLoadSystemLib(ws232dll)
+ 	if ws232 == 0 {
+ 		throw("ws2_32.dll not found")
+ 	}
+@@ -286,7 +319,7 @@
+ 		context  uintptr
+ 	}
+ 
+-	powrprof := windowsLoadSystemLib(powrprofdll[:])
++	powrprof := windowsLoadSystemLib([]byte("powrprof.dll\000"))
+ 	if powrprof == 0 {
+ 		return // Running on Windows 7, where we don't need it anyway.
+ 	}
+@@ -360,6 +393,22 @@
+ // in sys_windows_386.s and sys_windows_amd64.s:
+ func getlasterror() uint32
+ 
++// When loading DLLs, we prefer to use LoadLibraryEx with
++// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
++// available on old Windows, though, and the LOAD_LIBRARY_SEARCH_*
++// flags are not available on some versions of Windows without a
++// security patch.
++//
++// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
++// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
++// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
++// systems that have KB2533623 installed. To determine whether the
++// flags are available, use GetProcAddress to get the address of the
++// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
++// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
++// flags can be used with LoadLibraryEx."
++var useLoadLibraryEx bool
++
+ var timeBeginPeriodRetValue uint32
+ 
+ // osRelaxMinNS indicates that sysmon shouldn't osRelax if the next
+@@ -507,7 +556,6 @@
+ 	initHighResTimer()
+ 	timeBeginPeriodRetValue = osRelax(false)
+ 
+-	initSysDirectory()
+ 	initLongPathSupport()
+ 
+ 	ncpu = getproccount()
+@@ -524,7 +572,7 @@
+ //go:nosplit
+ func readRandom(r []byte) int {
+ 	n := 0
+-	if stdcall2(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall2(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	return n
+Index: src/net/hook_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/hook_windows.go b/src/net/hook_windows.go
+--- a/src/net/hook_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/net/hook_windows.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -13,6 +13,7 @@
+ 	hostsFilePath = windows.GetSystemDirectory() + "/Drivers/etc/hosts"
+ 
+ 	// Placeholders for socket system calls.
++	socketFunc    func(int, int, int) (syscall.Handle, error)                                                 = syscall.Socket
+ 	wsaSocketFunc func(int32, int32, int32, *syscall.WSAProtocolInfo, uint32, uint32) (syscall.Handle, error) = windows.WSASocket
+ 	connectFunc   func(syscall.Handle, syscall.Sockaddr) error                                                = syscall.Connect
+ 	listenFunc    func(syscall.Handle, int) error                                                             = syscall.Listen
+Index: src/net/internal/socktest/main_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_test.go b/src/net/internal/socktest/main_test.go
+--- a/src/net/internal/socktest/main_test.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/net/internal/socktest/main_test.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build !js && !plan9 && !wasip1 && !windows
++//go:build !js && !plan9 && !wasip1
+ 
+ package socktest_test
+ 
+Index: src/net/internal/socktest/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_windows_test.go b/src/net/internal/socktest/main_windows_test.go
+new file mode 100644
+--- /dev/null	(revision ef0606261340e608017860b423ffae5c1ce78239)
++++ b/src/net/internal/socktest/main_windows_test.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -0,0 +1,22 @@
++// Copyright 2015 The Go Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style
++// license that can be found in the LICENSE file.
++
++package socktest_test
++
++import "syscall"
++
++var (
++	socketFunc func(int, int, int) (syscall.Handle, error)
++	closeFunc  func(syscall.Handle) error
++)
++
++func installTestHooks() {
++	socketFunc = sw.Socket
++	closeFunc = sw.Closesocket
++}
++
++func uninstallTestHooks() {
++	socketFunc = syscall.Socket
++	closeFunc = syscall.Closesocket
++}
+Index: src/net/internal/socktest/sys_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/sys_windows.go b/src/net/internal/socktest/sys_windows.go
+--- a/src/net/internal/socktest/sys_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/net/internal/socktest/sys_windows.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -9,6 +9,38 @@
+ 	"syscall"
+ )
+ 
++// Socket wraps [syscall.Socket].
++func (sw *Switch) Socket(family, sotype, proto int) (s syscall.Handle, err error) {
++	sw.once.Do(sw.init)
++
++	so := &Status{Cookie: cookie(family, sotype, proto)}
++	sw.fmu.RLock()
++	f, _ := sw.fltab[FilterSocket]
++	sw.fmu.RUnlock()
++
++	af, err := f.apply(so)
++	if err != nil {
++		return syscall.InvalidHandle, err
++	}
++	s, so.Err = syscall.Socket(family, sotype, proto)
++	if err = af.apply(so); err != nil {
++		if so.Err == nil {
++			syscall.Closesocket(s)
++		}
++		return syscall.InvalidHandle, err
++	}
++
++	sw.smu.Lock()
++	defer sw.smu.Unlock()
++	if so.Err != nil {
++		sw.stats.getLocked(so.Cookie).OpenFailed++
++		return syscall.InvalidHandle, so.Err
++	}
++	nso := sw.addLocked(s, family, sotype, proto)
++	sw.stats.getLocked(nso.Cookie).Opened++
++	return s, nil
++}
++
+ // WSASocket wraps [syscall.WSASocket].
+ func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
+ 	sw.once.Do(sw.init)
+Index: src/net/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/main_windows_test.go b/src/net/main_windows_test.go
+--- a/src/net/main_windows_test.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/net/main_windows_test.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -8,6 +8,7 @@
+ 
+ var (
+ 	// Placeholders for saving original socket system calls.
++	origSocket      = socketFunc
+ 	origWSASocket   = wsaSocketFunc
+ 	origClosesocket = poll.CloseFunc
+ 	origConnect     = connectFunc
+@@ -17,6 +18,7 @@
+ )
+ 
+ func installTestHooks() {
++	socketFunc = sw.Socket
+ 	wsaSocketFunc = sw.WSASocket
+ 	poll.CloseFunc = sw.Closesocket
+ 	connectFunc = sw.Connect
+@@ -26,6 +28,7 @@
+ }
+ 
+ func uninstallTestHooks() {
++	socketFunc = origSocket
+ 	wsaSocketFunc = origWSASocket
+ 	poll.CloseFunc = origClosesocket
+ 	connectFunc = origConnect
+Index: src/net/sock_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/sock_windows.go b/src/net/sock_windows.go
+--- a/src/net/sock_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/net/sock_windows.go	(revision ef0606261340e608017860b423ffae5c1ce78239)
+@@ -20,6 +20,21 @@
+ func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
+ 	s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
+ 		nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
++	if err == nil {
++		return s, nil
++	}
++	// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
++	// old versions of Windows, see
++	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
++	// for details. Just use syscall.Socket, if windows.WSASocket failed.
++
++	// See ../syscall/exec_unix.go for description of ForkLock.
++	syscall.ForkLock.RLock()
++	s, err = socketFunc(family, sotype, proto)
++	if err == nil {
++		syscall.CloseOnExec(s)
++	}
++	syscall.ForkLock.RUnlock()
+ 	if err != nil {
+ 		return syscall.InvalidHandle, os.NewSyscallError("socket", err)
+ 	}
+Index: src/syscall/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/exec_windows.go b/src/syscall/exec_windows.go
+--- a/src/syscall/exec_windows.go	(revision 9779155f18b6556a034f7bb79fb7fb2aad1e26a9)
++++ b/src/syscall/exec_windows.go	(revision 7f83badcb925a7e743188041cb6e561fc9b5b642)
+@@ -14,7 +14,6 @@
+ 	"unsafe"
+ )
+ 
+-// ForkLock is not used on Windows.
+ var ForkLock sync.RWMutex
+ 
+ // EscapeArg rewrites command line argument s as prescribed
+@@ -317,6 +316,17 @@
+ 		}
+ 	}
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	isWin7 := maj < 6 || (maj == 6 && min <= 1)
++	// NT kernel handles are divisible by 4, with the bottom 3 bits left as
++	// a tag. The fully set tag correlates with the types of handles we're
++	// concerned about here.  Except, the kernel will interpret some
++	// special handle values, like -1, -2, and so forth, so kernelbase.dll
++	// checks to see that those bottom three bits are checked, but that top
++	// bit is not checked.
++	isLegacyWin7ConsoleHandle := func(handle Handle) bool { return isWin7 && handle&0x10000003 == 3 }
++
+ 	p, _ := GetCurrentProcess()
+ 	parentProcess := p
+ 	if sys.ParentProcess != 0 {
+@@ -325,7 +335,15 @@
+ 	fd := make([]Handle, len(attr.Files))
+ 	for i := range attr.Files {
+ 		if attr.Files[i] > 0 {
+-			err := DuplicateHandle(p, Handle(attr.Files[i]), parentProcess, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
++			destinationProcessHandle := parentProcess
++
++			// On Windows 7, console handles aren't real handles, and can only be duplicated
++			// into the current process, not a parent one, which amounts to the same thing.
++			if parentProcess != p && isLegacyWin7ConsoleHandle(Handle(attr.Files[i])) {
++				destinationProcessHandle = p
++			}
++
++			err := DuplicateHandle(p, Handle(attr.Files[i]), destinationProcessHandle, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
+ 			if err != nil {
+ 				return 0, 0, err
+ 			}
+@@ -356,6 +374,14 @@
+ 
+ 	fd = append(fd, sys.AdditionalInheritedHandles...)
+ 
++	// On Windows 7, console handles aren't real handles, so don't pass them
++	// through to PROC_THREAD_ATTRIBUTE_HANDLE_LIST.
++	for i := range fd {
++		if isLegacyWin7ConsoleHandle(fd[i]) {
++			fd[i] = 0
++		}
++	}
++
+ 	// The presence of a NULL handle in the list is enough to cause PROC_THREAD_ATTRIBUTE_HANDLE_LIST
+ 	// to treat the entire list as empty, so remove NULL handles.
+ 	j := 0
+Index: src/runtime/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/syscall_windows.go b/src/runtime/syscall_windows.go
+--- a/src/runtime/syscall_windows.go	(revision 7f83badcb925a7e743188041cb6e561fc9b5b642)
++++ b/src/runtime/syscall_windows.go	(revision 83ff9782e024cb328b690cbf0da4e7848a327f4f)
+@@ -413,23 +413,36 @@
+ 
+ const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+ 
++// When available, this function will use LoadLibraryEx with the filename
++// parameter and the important SEARCH_SYSTEM32 argument. But on systems that
++// do not have that option, absoluteFilepath should contain a fallback
++// to the full path inside of system32 for use with vanilla LoadLibrary.
++//
+ //go:linkname syscall_loadsystemlibrary syscall.loadsystemlibrary
+ //go:nosplit
+ //go:cgo_unsafe_args
+-func syscall_loadsystemlibrary(filename *uint16) (handle, err uintptr) {
++func syscall_loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle, err uintptr) {
+ 	lockOSThread()
+ 	c := &getg().m.syscall
+-	c.fn = getLoadLibraryEx()
+-	c.n = 3
+-	args := struct {
+-		lpFileName *uint16
+-		hFile      uintptr // always 0
+-		flags      uint32
+-	}{filename, 0, _LOAD_LIBRARY_SEARCH_SYSTEM32}
+-	c.args = uintptr(noescape(unsafe.Pointer(&args)))
++
++	if useLoadLibraryEx {
++		c.fn = getLoadLibraryEx()
++		c.n = 3
++		args := struct {
++			lpFileName *uint16
++			hFile      uintptr // always 0
++			flags      uint32
++		}{filename, 0, _LOAD_LIBRARY_SEARCH_SYSTEM32}
++		c.args = uintptr(noescape(unsafe.Pointer(&args)))
++	} else {
++		c.fn = getLoadLibrary()
++		c.n = 1
++		c.args = uintptr(noescape(unsafe.Pointer(&absoluteFilepath)))
++	}
+ 
+ 	cgocall(asmstdcallAddr, unsafe.Pointer(c))
+ 	KeepAlive(filename)
++	KeepAlive(absoluteFilepath)
+ 	handle = c.r1
+ 	if handle == 0 {
+ 		err = c.err
+Index: src/syscall/dll_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
+--- a/src/syscall/dll_windows.go	(revision 7f83badcb925a7e743188041cb6e561fc9b5b642)
++++ b/src/syscall/dll_windows.go	(revision 83ff9782e024cb328b690cbf0da4e7848a327f4f)
+@@ -44,7 +44,7 @@
+ 
+ func SyscallN(trap uintptr, args ...uintptr) (r1, r2 uintptr, err Errno)
+ func loadlibrary(filename *uint16) (handle uintptr, err Errno)
+-func loadsystemlibrary(filename *uint16) (handle uintptr, err Errno)
++func loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle uintptr, err Errno)
+ func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err Errno)
+ 
+ // A DLL implements access to a single DLL.
+@@ -53,6 +53,9 @@
+ 	Handle Handle
+ }
+ 
++//go:linkname getSystemDirectory
++func getSystemDirectory() string // Implemented in runtime package.
++
+ // LoadDLL loads the named DLL file into memory.
+ //
+ // If name is not an absolute path and is not a known system DLL used by
+@@ -69,7 +72,11 @@
+ 	var h uintptr
+ 	var e Errno
+ 	if sysdll.IsSystemDLL[name] {
+-		h, e = loadsystemlibrary(namep)
++		absoluteFilepathp, err := UTF16PtrFromString(getSystemDirectory() + name)
++		if err != nil {
++			return nil, err
++		}
++		h, e = loadsystemlibrary(namep, absoluteFilepathp)
+ 	} else {
+ 		h, e = loadlibrary(namep)
+ 	}

.github/patch/go1.23.patch

@@ -0,0 +1,643 @@
+Subject: [PATCH] Revert "runtime: always use LoadLibraryEx to load system libraries"
+Revert "syscall: remove Windows 7 console handle workaround"
+Revert "net: remove sysSocket fallback for Windows 7"
+Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision 6885bad7dd86880be6929c02085e5c7a67ff2887)
++++ b/src/crypto/rand/rand.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
+@@ -16,7 +16,7 @@
+ //   - On macOS and iOS, Reader uses arc4random_buf(3).
+ //   - On OpenBSD and NetBSD, Reader uses getentropy(2).
+ //   - On other Unix-like systems, Reader reads from /dev/urandom.
+-//   - On Windows, Reader uses the ProcessPrng API.
++//   - On Windows systems, Reader uses the RtlGenRandom API.
+ //   - On js/wasm, Reader uses the Web Crypto API.
+ //   - On wasip1/wasm, Reader uses random_get from wasi_snapshot_preview1.
+ var Reader io.Reader
+Index: src/crypto/rand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand_windows.go b/src/crypto/rand/rand_windows.go
+--- a/src/crypto/rand/rand_windows.go	(revision 6885bad7dd86880be6929c02085e5c7a67ff2887)
++++ b/src/crypto/rand/rand_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
+@@ -15,8 +15,11 @@
+ 
+ type rngReader struct{}
+ 
+-func (r *rngReader) Read(b []byte) (int, error) {
+-	if err := windows.ProcessPrng(b); err != nil {
++func (r *rngReader) Read(b []byte) (n int, err error) {
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	if err := batched(windows.RtlGenRandom, 1<<31-1)(b); err != nil {
+ 		return 0, err
+ 	}
+ 	return len(b), nil
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision 6885bad7dd86880be6929c02085e5c7a67ff2887)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
+@@ -414,7 +414,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ type FILE_ID_BOTH_DIR_INFO struct {
+ 	NextEntryOffset uint32
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision 6885bad7dd86880be6929c02085e5c7a67ff2887)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
+@@ -38,7 +38,6 @@
+ 
+ var (
+ 	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+ 	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+ 	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+ 	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+@@ -57,7 +56,7 @@
+ 	procQueryServiceStatus                = modadvapi32.NewProc("QueryServiceStatus")
+ 	procRevertToSelf                      = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation               = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                       = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036                 = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses              = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                      = modkernel32.NewProc("CreateEventW")
+ 	procGetACP                            = modkernel32.NewProc("GetACP")
+@@ -183,12 +182,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.Syscall(procProcessPrng.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
++	r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision 6885bad7dd86880be6929c02085e5c7a67ff2887)
++++ b/src/runtime/os_windows.go	(revision 69e2eed6dd0f6d815ebf15797761c13f31213dd6)
+@@ -39,8 +39,8 @@
+ //go:cgo_import_dynamic runtime._GetSystemInfo GetSystemInfo%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._GetThreadContext GetThreadContext%2 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._SetThreadContext SetThreadContext%2 "kernel32.dll"
+-//go:cgo_import_dynamic runtime._LoadLibraryExW LoadLibraryExW%3 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._LoadLibraryW LoadLibraryW%1 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryA LoadLibraryA%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._PostQueuedCompletionStatus PostQueuedCompletionStatus%4 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceCounter QueryPerformanceCounter%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceFrequency QueryPerformanceFrequency%1 "kernel32.dll"
+@@ -74,7 +74,6 @@
+ 	// Following syscalls are available on every Windows PC.
+ 	// All these variables are set by the Windows executable
+ 	// loader before the Go program starts.
+-	_AddVectoredContinueHandler,
+ 	_AddVectoredExceptionHandler,
+ 	_CloseHandle,
+ 	_CreateEventA,
+@@ -97,8 +96,8 @@
+ 	_GetSystemInfo,
+ 	_GetThreadContext,
+ 	_SetThreadContext,
+-	_LoadLibraryExW,
+ 	_LoadLibraryW,
++	_LoadLibraryA,
+ 	_PostQueuedCompletionStatus,
+ 	_QueryPerformanceCounter,
+ 	_QueryPerformanceFrequency,
+@@ -127,8 +126,23 @@
+ 	_WriteFile,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Following syscalls are only available on some Windows PCs.
++	// We will load syscalls, if available, before using them.
++	_AddDllDirectory,
++	_AddVectoredContinueHandler,
++	_LoadLibraryExA,
++	_LoadLibraryExW,
++	_ stdFunction
++
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -145,13 +159,6 @@
+ 	_ stdFunction
+ )
+ 
+-var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-)
+-
+ // Function to be called by windows CreateThread
+ // to start new os thread.
+ func tstart_stdcall(newm *m)
+@@ -244,8 +251,18 @@
+ 	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
+ }
+ 
+-func windowsLoadSystemLib(name []uint16) uintptr {
+-	return stdcall3(_LoadLibraryExW, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++//go:linkname syscall_getSystemDirectory syscall.getSystemDirectory
++func syscall_getSystemDirectory() string {
++	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
++}
++
++func windowsLoadSystemLib(name []byte) uintptr {
++	if useLoadLibraryEx {
++		return stdcall3(_LoadLibraryExA, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		absName := append(sysDirectory[:sysDirectoryLen], name...)
++		return stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&absName[0])))
++	}
+ }
+ 
+ //go:linkname windows_QueryPerformanceCounter internal/syscall/windows.QueryPerformanceCounter
+@@ -263,13 +280,28 @@
+ }
+ 
+ func loadOptionalSyscalls() {
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	var kernel32dll = []byte("kernel32.dll\000")
++	k32 := stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&kernel32dll[0])))
++	if k32 == 0 {
++		throw("kernel32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_AddDllDirectory = windowsFindfunc(k32, []byte("AddDllDirectory\000"))
++	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
++	_LoadLibraryExA = windowsFindfunc(k32, []byte("LoadLibraryExA\000"))
++	_LoadLibraryExW = windowsFindfunc(k32, []byte("LoadLibraryExW\000"))
++	useLoadLibraryEx = (_LoadLibraryExW != nil && _LoadLibraryExA != nil && _AddDllDirectory != nil)
++
++	initSysDirectory()
+ 
+-	n32 := windowsLoadSystemLib(ntdlldll[:])
++	var advapi32dll = []byte("advapi32.dll\000")
++	a32 := windowsLoadSystemLib(advapi32dll)
++	if a32 == 0 {
++		throw("advapi32.dll not found")
++	}
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
++
++	var ntdll = []byte("ntdll.dll\000")
++	n32 := windowsLoadSystemLib(ntdll)
+ 	if n32 == 0 {
+ 		throw("ntdll.dll not found")
+ 	}
+@@ -298,7 +330,7 @@
+ 		context  uintptr
+ 	}
+ 
+-	powrprof := windowsLoadSystemLib(powrprofdll[:])
++	powrprof := windowsLoadSystemLib([]byte("powrprof.dll\000"))
+ 	if powrprof == 0 {
+ 		return // Running on Windows 7, where we don't need it anyway.
+ 	}
+@@ -357,6 +389,22 @@
+ // in sys_windows_386.s and sys_windows_amd64.s:
+ func getlasterror() uint32
+ 
++// When loading DLLs, we prefer to use LoadLibraryEx with
++// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
++// available on old Windows, though, and the LOAD_LIBRARY_SEARCH_*
++// flags are not available on some versions of Windows without a
++// security patch.
++//
++// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
++// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
++// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
++// systems that have KB2533623 installed. To determine whether the
++// flags are available, use GetProcAddress to get the address of the
++// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
++// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
++// flags can be used with LoadLibraryEx."
++var useLoadLibraryEx bool
++
+ var timeBeginPeriodRetValue uint32
+ 
+ // osRelaxMinNS indicates that sysmon shouldn't osRelax if the next
+@@ -430,7 +478,8 @@
+ 		// Only load winmm.dll if we need it.
+ 		// This avoids a dependency on winmm.dll for Go programs
+ 		// that run on new Windows versions.
+-		m32 := windowsLoadSystemLib(winmmdll[:])
++		var winmmdll = []byte("winmm.dll\000")
++		m32 := windowsLoadSystemLib(winmmdll)
+ 		if m32 == 0 {
+ 			print("runtime: LoadLibraryExW failed; errno=", getlasterror(), "\n")
+ 			throw("winmm.dll not found")
+@@ -471,6 +520,28 @@
+ 	canUseLongPaths = true
+ }
+ 
++var osVersionInfo struct {
++	majorVersion uint32
++	minorVersion uint32
++	buildNumber  uint32
++}
++
++func initOsVersionInfo() {
++	info := _OSVERSIONINFOW{}
++	info.osVersionInfoSize = uint32(unsafe.Sizeof(info))
++	stdcall1(_RtlGetVersion, uintptr(unsafe.Pointer(&info)))
++	osVersionInfo.majorVersion = info.majorVersion
++	osVersionInfo.minorVersion = info.minorVersion
++	osVersionInfo.buildNumber = info.buildNumber
++}
++
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) {
++	*majorVersion = osVersionInfo.majorVersion
++	*minorVersion = osVersionInfo.minorVersion
++	*buildNumber = osVersionInfo.buildNumber
++}
++
+ func osinit() {
+ 	asmstdcallAddr = unsafe.Pointer(abi.FuncPCABI0(asmstdcall))
+ 
+@@ -483,8 +554,8 @@
+ 	initHighResTimer()
+ 	timeBeginPeriodRetValue = osRelax(false)
+ 
+-	initSysDirectory()
+ 	initLongPathSupport()
++	initOsVersionInfo()
+ 
+ 	ncpu = getproccount()
+ 
+@@ -500,7 +571,7 @@
+ //go:nosplit
+ func readRandom(r []byte) int {
+ 	n := 0
+-	if stdcall2(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall2(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	return n
+Index: src/net/hook_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/hook_windows.go b/src/net/hook_windows.go
+--- a/src/net/hook_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/net/hook_windows.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -13,6 +13,7 @@
+ 	hostsFilePath = windows.GetSystemDirectory() + "/Drivers/etc/hosts"
+ 
+ 	// Placeholders for socket system calls.
++	socketFunc    func(int, int, int) (syscall.Handle, error)                                                 = syscall.Socket
+ 	wsaSocketFunc func(int32, int32, int32, *syscall.WSAProtocolInfo, uint32, uint32) (syscall.Handle, error) = windows.WSASocket
+ 	connectFunc   func(syscall.Handle, syscall.Sockaddr) error                                                = syscall.Connect
+ 	listenFunc    func(syscall.Handle, int) error                                                             = syscall.Listen
+Index: src/net/internal/socktest/main_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_test.go b/src/net/internal/socktest/main_test.go
+--- a/src/net/internal/socktest/main_test.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/net/internal/socktest/main_test.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build !js && !plan9 && !wasip1 && !windows
++//go:build !js && !plan9 && !wasip1
+ 
+ package socktest_test
+ 
+Index: src/net/internal/socktest/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_windows_test.go b/src/net/internal/socktest/main_windows_test.go
+new file mode 100644
+--- /dev/null	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
++++ b/src/net/internal/socktest/main_windows_test.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -0,0 +1,22 @@
++// Copyright 2015 The Go Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style
++// license that can be found in the LICENSE file.
++
++package socktest_test
++
++import "syscall"
++
++var (
++	socketFunc func(int, int, int) (syscall.Handle, error)
++	closeFunc  func(syscall.Handle) error
++)
++
++func installTestHooks() {
++	socketFunc = sw.Socket
++	closeFunc = sw.Closesocket
++}
++
++func uninstallTestHooks() {
++	socketFunc = syscall.Socket
++	closeFunc = syscall.Closesocket
++}
+Index: src/net/internal/socktest/sys_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/sys_windows.go b/src/net/internal/socktest/sys_windows.go
+--- a/src/net/internal/socktest/sys_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/net/internal/socktest/sys_windows.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -9,6 +9,38 @@
+ 	"syscall"
+ )
+ 
++// Socket wraps [syscall.Socket].
++func (sw *Switch) Socket(family, sotype, proto int) (s syscall.Handle, err error) {
++	sw.once.Do(sw.init)
++
++	so := &Status{Cookie: cookie(family, sotype, proto)}
++	sw.fmu.RLock()
++	f, _ := sw.fltab[FilterSocket]
++	sw.fmu.RUnlock()
++
++	af, err := f.apply(so)
++	if err != nil {
++		return syscall.InvalidHandle, err
++	}
++	s, so.Err = syscall.Socket(family, sotype, proto)
++	if err = af.apply(so); err != nil {
++		if so.Err == nil {
++			syscall.Closesocket(s)
++		}
++		return syscall.InvalidHandle, err
++	}
++
++	sw.smu.Lock()
++	defer sw.smu.Unlock()
++	if so.Err != nil {
++		sw.stats.getLocked(so.Cookie).OpenFailed++
++		return syscall.InvalidHandle, so.Err
++	}
++	nso := sw.addLocked(s, family, sotype, proto)
++	sw.stats.getLocked(nso.Cookie).Opened++
++	return s, nil
++}
++
+ // WSASocket wraps [syscall.WSASocket].
+ func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
+ 	sw.once.Do(sw.init)
+Index: src/net/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/main_windows_test.go b/src/net/main_windows_test.go
+--- a/src/net/main_windows_test.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/net/main_windows_test.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -8,6 +8,7 @@
+ 
+ var (
+ 	// Placeholders for saving original socket system calls.
++	origSocket      = socketFunc
+ 	origWSASocket   = wsaSocketFunc
+ 	origClosesocket = poll.CloseFunc
+ 	origConnect     = connectFunc
+@@ -17,6 +18,7 @@
+ )
+ 
+ func installTestHooks() {
++	socketFunc = sw.Socket
+ 	wsaSocketFunc = sw.WSASocket
+ 	poll.CloseFunc = sw.Closesocket
+ 	connectFunc = sw.Connect
+@@ -26,6 +28,7 @@
+ }
+ 
+ func uninstallTestHooks() {
++	socketFunc = origSocket
+ 	wsaSocketFunc = origWSASocket
+ 	poll.CloseFunc = origClosesocket
+ 	connectFunc = origConnect
+Index: src/net/sock_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/sock_windows.go b/src/net/sock_windows.go
+--- a/src/net/sock_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/net/sock_windows.go	(revision 21290de8a4c91408de7c2b5b68757b1e90af49dd)
+@@ -20,6 +20,21 @@
+ func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
+ 	s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
+ 		nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
++	if err == nil {
++		return s, nil
++	}
++	// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
++	// old versions of Windows, see
++	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
++	// for details. Just use syscall.Socket, if windows.WSASocket failed.
++
++	// See ../syscall/exec_unix.go for description of ForkLock.
++	syscall.ForkLock.RLock()
++	s, err = socketFunc(family, sotype, proto)
++	if err == nil {
++		syscall.CloseOnExec(s)
++	}
++	syscall.ForkLock.RUnlock()
+ 	if err != nil {
+ 		return syscall.InvalidHandle, os.NewSyscallError("socket", err)
+ 	}
+Index: src/syscall/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/exec_windows.go b/src/syscall/exec_windows.go
+--- a/src/syscall/exec_windows.go	(revision 9ac42137ef6730e8b7daca016ece831297a1d75b)
++++ b/src/syscall/exec_windows.go	(revision 6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76)
+@@ -14,7 +14,6 @@
+ 	"unsafe"
+ )
+ 
+-// ForkLock is not used on Windows.
+ var ForkLock sync.RWMutex
+ 
+ // EscapeArg rewrites command line argument s as prescribed
+@@ -254,6 +253,9 @@
+ var zeroProcAttr ProcAttr
+ var zeroSysProcAttr SysProcAttr
+ 
++//go:linkname rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
+ 	if len(argv0) == 0 {
+ 		return 0, 0, EWINDOWS
+@@ -317,6 +319,17 @@
+ 		}
+ 	}
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	isWin7 := maj < 6 || (maj == 6 && min <= 1)
++	// NT kernel handles are divisible by 4, with the bottom 3 bits left as
++	// a tag. The fully set tag correlates with the types of handles we're
++	// concerned about here.  Except, the kernel will interpret some
++	// special handle values, like -1, -2, and so forth, so kernelbase.dll
++	// checks to see that those bottom three bits are checked, but that top
++	// bit is not checked.
++	isLegacyWin7ConsoleHandle := func(handle Handle) bool { return isWin7 && handle&0x10000003 == 3 }
++
+ 	p, _ := GetCurrentProcess()
+ 	parentProcess := p
+ 	if sys.ParentProcess != 0 {
+@@ -325,7 +338,15 @@
+ 	fd := make([]Handle, len(attr.Files))
+ 	for i := range attr.Files {
+ 		if attr.Files[i] > 0 {
+-			err := DuplicateHandle(p, Handle(attr.Files[i]), parentProcess, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
++			destinationProcessHandle := parentProcess
++
++			// On Windows 7, console handles aren't real handles, and can only be duplicated
++			// into the current process, not a parent one, which amounts to the same thing.
++			if parentProcess != p && isLegacyWin7ConsoleHandle(Handle(attr.Files[i])) {
++				destinationProcessHandle = p
++			}
++
++			err := DuplicateHandle(p, Handle(attr.Files[i]), destinationProcessHandle, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
+ 			if err != nil {
+ 				return 0, 0, err
+ 			}
+@@ -356,6 +377,14 @@
+ 
+ 	fd = append(fd, sys.AdditionalInheritedHandles...)
+ 
++	// On Windows 7, console handles aren't real handles, so don't pass them
++	// through to PROC_THREAD_ATTRIBUTE_HANDLE_LIST.
++	for i := range fd {
++		if isLegacyWin7ConsoleHandle(fd[i]) {
++			fd[i] = 0
++		}
++	}
++
+ 	// The presence of a NULL handle in the list is enough to cause PROC_THREAD_ATTRIBUTE_HANDLE_LIST
+ 	// to treat the entire list as empty, so remove NULL handles.
+ 	j := 0
+Index: src/runtime/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/syscall_windows.go b/src/runtime/syscall_windows.go
+--- a/src/runtime/syscall_windows.go	(revision 6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76)
++++ b/src/runtime/syscall_windows.go	(revision 69e2eed6dd0f6d815ebf15797761c13f31213dd6)
+@@ -413,10 +413,20 @@
+ 
+ const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+ 
++// When available, this function will use LoadLibraryEx with the filename
++// parameter and the important SEARCH_SYSTEM32 argument. But on systems that
++// do not have that option, absoluteFilepath should contain a fallback
++// to the full path inside of system32 for use with vanilla LoadLibrary.
++//
+ //go:linkname syscall_loadsystemlibrary syscall.loadsystemlibrary
+-func syscall_loadsystemlibrary(filename *uint16) (handle, err uintptr) {
+-	handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++func syscall_loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle, err uintptr) {
++	if useLoadLibraryEx {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryW)), uintptr(unsafe.Pointer(absoluteFilepath)))
++	}
+ 	KeepAlive(filename)
++	KeepAlive(absoluteFilepath)
+ 	if handle != 0 {
+ 		err = 0
+ 	}
+Index: src/syscall/dll_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
+--- a/src/syscall/dll_windows.go	(revision 6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76)
++++ b/src/syscall/dll_windows.go	(revision 69e2eed6dd0f6d815ebf15797761c13f31213dd6)
+@@ -44,7 +44,7 @@
+ 
+ func SyscallN(trap uintptr, args ...uintptr) (r1, r2 uintptr, err Errno)
+ func loadlibrary(filename *uint16) (handle uintptr, err Errno)
+-func loadsystemlibrary(filename *uint16) (handle uintptr, err Errno)
++func loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle uintptr, err Errno)
+ func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err Errno)
+ 
+ // A DLL implements access to a single DLL.
+@@ -53,6 +53,9 @@
+ 	Handle Handle
+ }
+ 
++//go:linkname getSystemDirectory
++func getSystemDirectory() string // Implemented in runtime package.
++
+ // LoadDLL loads the named DLL file into memory.
+ //
+ // If name is not an absolute path and is not a known system DLL used by
+@@ -69,7 +72,11 @@
+ 	var h uintptr
+ 	var e Errno
+ 	if sysdll.IsSystemDLL[name] {
+-		h, e = loadsystemlibrary(namep)
++		absoluteFilepathp, err := UTF16PtrFromString(getSystemDirectory() + name)
++		if err != nil {
++			return nil, err
++		}
++		h, e = loadsystemlibrary(namep, absoluteFilepathp)
+ 	} else {
+ 		h, e = loadlibrary(namep)
+ 	}

.github/patch/go1.24.patch

@@ -0,0 +1,657 @@
+Subject: [PATCH] Revert "runtime: always use LoadLibraryEx to load system libraries"
+Revert "syscall: remove Windows 7 console handle workaround"
+Revert "net: remove sysSocket fallback for Windows 7"
+Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/internal/sysrand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/internal/sysrand/rand_windows.go b/src/crypto/internal/sysrand/rand_windows.go
+--- a/src/crypto/internal/sysrand/rand_windows.go	(revision 3901409b5d0fb7c85a3e6730a59943cc93b2835c)
++++ b/src/crypto/internal/sysrand/rand_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
+@@ -7,5 +7,26 @@
+ import "internal/syscall/windows"
+ 
+ func read(b []byte) error {
+-	return windows.ProcessPrng(b)
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	return batched(windows.RtlGenRandom, 1<<31-1)(b)
++}
++
++// batched returns a function that calls f to populate a []byte by chunking it
++// into subslices of, at most, readMax bytes.
++func batched(f func([]byte) error, readMax int) func([]byte) error {
++	return func(out []byte) error {
++		for len(out) > 0 {
++			read := len(out)
++			if read > readMax {
++				read = readMax
++			}
++			if err := f(out[:read]); err != nil {
++				return err
++			}
++			out = out[read:]
++		}
++		return nil
++	}
+ }
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision 3901409b5d0fb7c85a3e6730a59943cc93b2835c)
++++ b/src/crypto/rand/rand.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
+@@ -22,7 +22,7 @@
+ //   - On legacy Linux (< 3.17), Reader opens /dev/urandom on first use.
+ //   - On macOS, iOS, and OpenBSD Reader, uses arc4random_buf(3).
+ //   - On NetBSD, Reader uses the kern.arandom sysctl.
+-//   - On Windows, Reader uses the ProcessPrng API.
++//   - On Windows systems, Reader uses the RtlGenRandom API.
+ //   - On js/wasm, Reader uses the Web Crypto API.
+ //   - On wasip1/wasm, Reader uses random_get.
+ //
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision 3901409b5d0fb7c85a3e6730a59943cc93b2835c)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
+@@ -416,7 +416,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ type FILE_ID_BOTH_DIR_INFO struct {
+ 	NextEntryOffset uint32
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision 3901409b5d0fb7c85a3e6730a59943cc93b2835c)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
+@@ -38,7 +38,6 @@
+ 
+ var (
+ 	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+ 	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+ 	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+ 	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+@@ -63,7 +62,7 @@
+ 	procQueryServiceStatus                = modadvapi32.NewProc("QueryServiceStatus")
+ 	procRevertToSelf                      = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation               = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                       = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036                 = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses              = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                      = modkernel32.NewProc("CreateEventW")
+ 	procGetACP                            = modkernel32.NewProc("GetACP")
+@@ -236,12 +235,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.Syscall(procProcessPrng.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
++	r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision 3901409b5d0fb7c85a3e6730a59943cc93b2835c)
++++ b/src/runtime/os_windows.go	(revision ac3e93c061779dfefc0dd13a5b6e6f764a25621e)
+@@ -40,8 +40,8 @@
+ //go:cgo_import_dynamic runtime._GetSystemInfo GetSystemInfo%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._GetThreadContext GetThreadContext%2 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._SetThreadContext SetThreadContext%2 "kernel32.dll"
+-//go:cgo_import_dynamic runtime._LoadLibraryExW LoadLibraryExW%3 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._LoadLibraryW LoadLibraryW%1 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryA LoadLibraryA%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._PostQueuedCompletionStatus PostQueuedCompletionStatus%4 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceCounter QueryPerformanceCounter%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceFrequency QueryPerformanceFrequency%1 "kernel32.dll"
+@@ -75,7 +75,6 @@
+ 	// Following syscalls are available on every Windows PC.
+ 	// All these variables are set by the Windows executable
+ 	// loader before the Go program starts.
+-	_AddVectoredContinueHandler,
+ 	_AddVectoredExceptionHandler,
+ 	_CloseHandle,
+ 	_CreateEventA,
+@@ -98,8 +97,8 @@
+ 	_GetSystemInfo,
+ 	_GetThreadContext,
+ 	_SetThreadContext,
+-	_LoadLibraryExW,
+ 	_LoadLibraryW,
++	_LoadLibraryA,
+ 	_PostQueuedCompletionStatus,
+ 	_QueryPerformanceCounter,
+ 	_QueryPerformanceFrequency,
+@@ -128,8 +127,23 @@
+ 	_WriteFile,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Following syscalls are only available on some Windows PCs.
++	// We will load syscalls, if available, before using them.
++	_AddDllDirectory,
++	_AddVectoredContinueHandler,
++	_LoadLibraryExA,
++	_LoadLibraryExW,
++	_ stdFunction
++
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -146,13 +160,6 @@
+ 	_ stdFunction
+ )
+ 
+-var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-)
+-
+ // Function to be called by windows CreateThread
+ // to start new os thread.
+ func tstart_stdcall(newm *m)
+@@ -245,8 +252,18 @@
+ 	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
+ }
+ 
+-func windowsLoadSystemLib(name []uint16) uintptr {
+-	return stdcall3(_LoadLibraryExW, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++//go:linkname syscall_getSystemDirectory syscall.getSystemDirectory
++func syscall_getSystemDirectory() string {
++	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
++}
++
++func windowsLoadSystemLib(name []byte) uintptr {
++	if useLoadLibraryEx {
++		return stdcall3(_LoadLibraryExA, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		absName := append(sysDirectory[:sysDirectoryLen], name...)
++		return stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&absName[0])))
++	}
+ }
+ 
+ //go:linkname windows_QueryPerformanceCounter internal/syscall/windows.QueryPerformanceCounter
+@@ -264,13 +281,28 @@
+ }
+ 
+ func loadOptionalSyscalls() {
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	var kernel32dll = []byte("kernel32.dll\000")
++	k32 := stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&kernel32dll[0])))
++	if k32 == 0 {
++		throw("kernel32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_AddDllDirectory = windowsFindfunc(k32, []byte("AddDllDirectory\000"))
++	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
++	_LoadLibraryExA = windowsFindfunc(k32, []byte("LoadLibraryExA\000"))
++	_LoadLibraryExW = windowsFindfunc(k32, []byte("LoadLibraryExW\000"))
++	useLoadLibraryEx = (_LoadLibraryExW != nil && _LoadLibraryExA != nil && _AddDllDirectory != nil)
++
++	initSysDirectory()
+ 
+-	n32 := windowsLoadSystemLib(ntdlldll[:])
++	var advapi32dll = []byte("advapi32.dll\000")
++	a32 := windowsLoadSystemLib(advapi32dll)
++	if a32 == 0 {
++		throw("advapi32.dll not found")
++	}
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
++
++	var ntdll = []byte("ntdll.dll\000")
++	n32 := windowsLoadSystemLib(ntdll)
+ 	if n32 == 0 {
+ 		throw("ntdll.dll not found")
+ 	}
+@@ -299,7 +331,7 @@
+ 		context  uintptr
+ 	}
+ 
+-	powrprof := windowsLoadSystemLib(powrprofdll[:])
++	powrprof := windowsLoadSystemLib([]byte("powrprof.dll\000"))
+ 	if powrprof == 0 {
+ 		return // Running on Windows 7, where we don't need it anyway.
+ 	}
+@@ -358,6 +390,22 @@
+ // in sys_windows_386.s and sys_windows_amd64.s:
+ func getlasterror() uint32
+ 
++// When loading DLLs, we prefer to use LoadLibraryEx with
++// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
++// available on old Windows, though, and the LOAD_LIBRARY_SEARCH_*
++// flags are not available on some versions of Windows without a
++// security patch.
++//
++// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
++// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
++// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
++// systems that have KB2533623 installed. To determine whether the
++// flags are available, use GetProcAddress to get the address of the
++// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
++// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
++// flags can be used with LoadLibraryEx."
++var useLoadLibraryEx bool
++
+ var timeBeginPeriodRetValue uint32
+ 
+ // osRelaxMinNS indicates that sysmon shouldn't osRelax if the next
+@@ -431,7 +479,8 @@
+ 		// Only load winmm.dll if we need it.
+ 		// This avoids a dependency on winmm.dll for Go programs
+ 		// that run on new Windows versions.
+-		m32 := windowsLoadSystemLib(winmmdll[:])
++		var winmmdll = []byte("winmm.dll\000")
++		m32 := windowsLoadSystemLib(winmmdll)
+ 		if m32 == 0 {
+ 			print("runtime: LoadLibraryExW failed; errno=", getlasterror(), "\n")
+ 			throw("winmm.dll not found")
+@@ -472,6 +521,28 @@
+ 	canUseLongPaths = true
+ }
+ 
++var osVersionInfo struct {
++	majorVersion uint32
++	minorVersion uint32
++	buildNumber  uint32
++}
++
++func initOsVersionInfo() {
++	info := _OSVERSIONINFOW{}
++	info.osVersionInfoSize = uint32(unsafe.Sizeof(info))
++	stdcall1(_RtlGetVersion, uintptr(unsafe.Pointer(&info)))
++	osVersionInfo.majorVersion = info.majorVersion
++	osVersionInfo.minorVersion = info.minorVersion
++	osVersionInfo.buildNumber = info.buildNumber
++}
++
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) {
++	*majorVersion = osVersionInfo.majorVersion
++	*minorVersion = osVersionInfo.minorVersion
++	*buildNumber = osVersionInfo.buildNumber
++}
++
+ func osinit() {
+ 	asmstdcallAddr = unsafe.Pointer(abi.FuncPCABI0(asmstdcall))
+ 
+@@ -484,8 +555,8 @@
+ 	initHighResTimer()
+ 	timeBeginPeriodRetValue = osRelax(false)
+ 
+-	initSysDirectory()
+ 	initLongPathSupport()
++	initOsVersionInfo()
+ 
+ 	ncpu = getproccount()
+ 
+@@ -501,7 +572,7 @@
+ //go:nosplit
+ func readRandom(r []byte) int {
+ 	n := 0
+-	if stdcall2(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall2(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	return n
+Index: src/net/hook_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/hook_windows.go b/src/net/hook_windows.go
+--- a/src/net/hook_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/net/hook_windows.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -13,6 +13,7 @@
+ 	hostsFilePath = windows.GetSystemDirectory() + "/Drivers/etc/hosts"
+ 
+ 	// Placeholders for socket system calls.
++	socketFunc    func(int, int, int) (syscall.Handle, error)                                                 = syscall.Socket
+ 	wsaSocketFunc func(int32, int32, int32, *syscall.WSAProtocolInfo, uint32, uint32) (syscall.Handle, error) = windows.WSASocket
+ 	connectFunc   func(syscall.Handle, syscall.Sockaddr) error                                                = syscall.Connect
+ 	listenFunc    func(syscall.Handle, int) error                                                             = syscall.Listen
+Index: src/net/internal/socktest/main_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_test.go b/src/net/internal/socktest/main_test.go
+--- a/src/net/internal/socktest/main_test.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/net/internal/socktest/main_test.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build !js && !plan9 && !wasip1 && !windows
++//go:build !js && !plan9 && !wasip1
+ 
+ package socktest_test
+ 
+Index: src/net/internal/socktest/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_windows_test.go b/src/net/internal/socktest/main_windows_test.go
+new file mode 100644
+--- /dev/null	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
++++ b/src/net/internal/socktest/main_windows_test.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -0,0 +1,22 @@
++// Copyright 2015 The Go Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style
++// license that can be found in the LICENSE file.
++
++package socktest_test
++
++import "syscall"
++
++var (
++	socketFunc func(int, int, int) (syscall.Handle, error)
++	closeFunc  func(syscall.Handle) error
++)
++
++func installTestHooks() {
++	socketFunc = sw.Socket
++	closeFunc = sw.Closesocket
++}
++
++func uninstallTestHooks() {
++	socketFunc = syscall.Socket
++	closeFunc = syscall.Closesocket
++}
+Index: src/net/internal/socktest/sys_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/sys_windows.go b/src/net/internal/socktest/sys_windows.go
+--- a/src/net/internal/socktest/sys_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/net/internal/socktest/sys_windows.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -9,6 +9,38 @@
+ 	"syscall"
+ )
+ 
++// Socket wraps [syscall.Socket].
++func (sw *Switch) Socket(family, sotype, proto int) (s syscall.Handle, err error) {
++	sw.once.Do(sw.init)
++
++	so := &Status{Cookie: cookie(family, sotype, proto)}
++	sw.fmu.RLock()
++	f, _ := sw.fltab[FilterSocket]
++	sw.fmu.RUnlock()
++
++	af, err := f.apply(so)
++	if err != nil {
++		return syscall.InvalidHandle, err
++	}
++	s, so.Err = syscall.Socket(family, sotype, proto)
++	if err = af.apply(so); err != nil {
++		if so.Err == nil {
++			syscall.Closesocket(s)
++		}
++		return syscall.InvalidHandle, err
++	}
++
++	sw.smu.Lock()
++	defer sw.smu.Unlock()
++	if so.Err != nil {
++		sw.stats.getLocked(so.Cookie).OpenFailed++
++		return syscall.InvalidHandle, so.Err
++	}
++	nso := sw.addLocked(s, family, sotype, proto)
++	sw.stats.getLocked(nso.Cookie).Opened++
++	return s, nil
++}
++
+ // WSASocket wraps [syscall.WSASocket].
+ func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
+ 	sw.once.Do(sw.init)
+Index: src/net/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/main_windows_test.go b/src/net/main_windows_test.go
+--- a/src/net/main_windows_test.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/net/main_windows_test.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -8,6 +8,7 @@
+ 
+ var (
+ 	// Placeholders for saving original socket system calls.
++	origSocket      = socketFunc
+ 	origWSASocket   = wsaSocketFunc
+ 	origClosesocket = poll.CloseFunc
+ 	origConnect     = connectFunc
+@@ -17,6 +18,7 @@
+ )
+ 
+ func installTestHooks() {
++	socketFunc = sw.Socket
+ 	wsaSocketFunc = sw.WSASocket
+ 	poll.CloseFunc = sw.Closesocket
+ 	connectFunc = sw.Connect
+@@ -26,6 +28,7 @@
+ }
+ 
+ func uninstallTestHooks() {
++	socketFunc = origSocket
+ 	wsaSocketFunc = origWSASocket
+ 	poll.CloseFunc = origClosesocket
+ 	connectFunc = origConnect
+Index: src/net/sock_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/sock_windows.go b/src/net/sock_windows.go
+--- a/src/net/sock_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/net/sock_windows.go	(revision 7b1fd7d39c6be0185fbe1d929578ab372ac5c632)
+@@ -20,6 +20,21 @@
+ func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
+ 	s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
+ 		nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
++	if err == nil {
++		return s, nil
++	}
++	// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
++	// old versions of Windows, see
++	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
++	// for details. Just use syscall.Socket, if windows.WSASocket failed.
++
++	// See ../syscall/exec_unix.go for description of ForkLock.
++	syscall.ForkLock.RLock()
++	s, err = socketFunc(family, sotype, proto)
++	if err == nil {
++		syscall.CloseOnExec(s)
++	}
++	syscall.ForkLock.RUnlock()
+ 	if err != nil {
+ 		return syscall.InvalidHandle, os.NewSyscallError("socket", err)
+ 	}
+Index: src/syscall/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/exec_windows.go b/src/syscall/exec_windows.go
+--- a/src/syscall/exec_windows.go	(revision 2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8)
++++ b/src/syscall/exec_windows.go	(revision 979d6d8bab3823ff572ace26767fd2ce3cf351ae)
+@@ -14,7 +14,6 @@
+ 	"unsafe"
+ )
+ 
+-// ForkLock is not used on Windows.
+ var ForkLock sync.RWMutex
+ 
+ // EscapeArg rewrites command line argument s as prescribed
+@@ -254,6 +253,9 @@
+ var zeroProcAttr ProcAttr
+ var zeroSysProcAttr SysProcAttr
+ 
++//go:linkname rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
+ 	if len(argv0) == 0 {
+ 		return 0, 0, EWINDOWS
+@@ -317,6 +319,17 @@
+ 		}
+ 	}
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	isWin7 := maj < 6 || (maj == 6 && min <= 1)
++	// NT kernel handles are divisible by 4, with the bottom 3 bits left as
++	// a tag. The fully set tag correlates with the types of handles we're
++	// concerned about here.  Except, the kernel will interpret some
++	// special handle values, like -1, -2, and so forth, so kernelbase.dll
++	// checks to see that those bottom three bits are checked, but that top
++	// bit is not checked.
++	isLegacyWin7ConsoleHandle := func(handle Handle) bool { return isWin7 && handle&0x10000003 == 3 }
++
+ 	p, _ := GetCurrentProcess()
+ 	parentProcess := p
+ 	if sys.ParentProcess != 0 {
+@@ -325,7 +338,15 @@
+ 	fd := make([]Handle, len(attr.Files))
+ 	for i := range attr.Files {
+ 		if attr.Files[i] > 0 {
+-			err := DuplicateHandle(p, Handle(attr.Files[i]), parentProcess, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
++			destinationProcessHandle := parentProcess
++
++			// On Windows 7, console handles aren't real handles, and can only be duplicated
++			// into the current process, not a parent one, which amounts to the same thing.
++			if parentProcess != p && isLegacyWin7ConsoleHandle(Handle(attr.Files[i])) {
++				destinationProcessHandle = p
++			}
++
++			err := DuplicateHandle(p, Handle(attr.Files[i]), destinationProcessHandle, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
+ 			if err != nil {
+ 				return 0, 0, err
+ 			}
+@@ -356,6 +377,14 @@
+ 
+ 	fd = append(fd, sys.AdditionalInheritedHandles...)
+ 
++	// On Windows 7, console handles aren't real handles, so don't pass them
++	// through to PROC_THREAD_ATTRIBUTE_HANDLE_LIST.
++	for i := range fd {
++		if isLegacyWin7ConsoleHandle(fd[i]) {
++			fd[i] = 0
++		}
++	}
++
+ 	// The presence of a NULL handle in the list is enough to cause PROC_THREAD_ATTRIBUTE_HANDLE_LIST
+ 	// to treat the entire list as empty, so remove NULL handles.
+ 	j := 0
+Index: src/runtime/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/syscall_windows.go b/src/runtime/syscall_windows.go
+--- a/src/runtime/syscall_windows.go	(revision 979d6d8bab3823ff572ace26767fd2ce3cf351ae)
++++ b/src/runtime/syscall_windows.go	(revision ac3e93c061779dfefc0dd13a5b6e6f764a25621e)
+@@ -413,10 +413,20 @@
+ 
+ const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+ 
++// When available, this function will use LoadLibraryEx with the filename
++// parameter and the important SEARCH_SYSTEM32 argument. But on systems that
++// do not have that option, absoluteFilepath should contain a fallback
++// to the full path inside of system32 for use with vanilla LoadLibrary.
++//
+ //go:linkname syscall_loadsystemlibrary syscall.loadsystemlibrary
+-func syscall_loadsystemlibrary(filename *uint16) (handle, err uintptr) {
+-	handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++func syscall_loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle, err uintptr) {
++	if useLoadLibraryEx {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryW)), uintptr(unsafe.Pointer(absoluteFilepath)))
++	}
+ 	KeepAlive(filename)
++	KeepAlive(absoluteFilepath)
+ 	if handle != 0 {
+ 		err = 0
+ 	}
+Index: src/syscall/dll_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
+--- a/src/syscall/dll_windows.go	(revision 979d6d8bab3823ff572ace26767fd2ce3cf351ae)
++++ b/src/syscall/dll_windows.go	(revision ac3e93c061779dfefc0dd13a5b6e6f764a25621e)
+@@ -45,7 +45,7 @@
+ //go:noescape
+ func SyscallN(trap uintptr, args ...uintptr) (r1, r2 uintptr, err Errno)
+ func loadlibrary(filename *uint16) (handle uintptr, err Errno)
+-func loadsystemlibrary(filename *uint16) (handle uintptr, err Errno)
++func loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle uintptr, err Errno)
+ func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err Errno)
+ 
+ // A DLL implements access to a single DLL.
+@@ -54,6 +54,9 @@
+ 	Handle Handle
+ }
+ 
++//go:linkname getSystemDirectory
++func getSystemDirectory() string // Implemented in runtime package.
++
+ // LoadDLL loads the named DLL file into memory.
+ //
+ // If name is not an absolute path and is not a known system DLL used by
+@@ -70,7 +73,11 @@
+ 	var h uintptr
+ 	var e Errno
+ 	if sysdll.IsSystemDLL[name] {
+-		h, e = loadsystemlibrary(namep)
++		absoluteFilepathp, err := UTF16PtrFromString(getSystemDirectory() + name)
++		if err != nil {
++			return nil, err
++		}
++		h, e = loadsystemlibrary(namep, absoluteFilepathp)
+ 	} else {
+ 		h, e = loadlibrary(namep)
+ 	}

.github/patch/go1.25.patch

@@ -0,0 +1,884 @@
+Subject: [PATCH] Revert "os: remove 5ms sleep on Windows in (*Process).Wait"
+Fix os.RemoveAll not working on Windows7
+Revert "runtime: always use LoadLibraryEx to load system libraries"
+Revert "syscall: remove Windows 7 console handle workaround"
+Revert "net: remove sysSocket fallback for Windows 7"
+Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/internal/sysrand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/internal/sysrand/rand_windows.go b/src/crypto/internal/sysrand/rand_windows.go
+--- a/src/crypto/internal/sysrand/rand_windows.go	(revision 6e676ab2b809d46623acb5988248d95d1eb7939c)
++++ b/src/crypto/internal/sysrand/rand_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
+@@ -7,5 +7,26 @@
+ import "internal/syscall/windows"
+ 
+ func read(b []byte) error {
+-	return windows.ProcessPrng(b)
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	return batched(windows.RtlGenRandom, 1<<31-1)(b)
++}
++
++// batched returns a function that calls f to populate a []byte by chunking it
++// into subslices of, at most, readMax bytes.
++func batched(f func([]byte) error, readMax int) func([]byte) error {
++	return func(out []byte) error {
++		for len(out) > 0 {
++			read := len(out)
++			if read > readMax {
++				read = readMax
++			}
++			if err := f(out[:read]); err != nil {
++				return err
++			}
++			out = out[read:]
++		}
++		return nil
++	}
+ }
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision 6e676ab2b809d46623acb5988248d95d1eb7939c)
++++ b/src/crypto/rand/rand.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
+@@ -22,7 +22,7 @@
+ //   - On legacy Linux (< 3.17), Reader opens /dev/urandom on first use.
+ //   - On macOS, iOS, and OpenBSD Reader, uses arc4random_buf(3).
+ //   - On NetBSD, Reader uses the kern.arandom sysctl.
+-//   - On Windows, Reader uses the ProcessPrng API.
++//   - On Windows systems, Reader uses the RtlGenRandom API.
+ //   - On js/wasm, Reader uses the Web Crypto API.
+ //   - On wasip1/wasm, Reader uses random_get.
+ //
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision 6e676ab2b809d46623acb5988248d95d1eb7939c)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
+@@ -419,7 +419,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ type FILE_ID_BOTH_DIR_INFO struct {
+ 	NextEntryOffset uint32
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision 6e676ab2b809d46623acb5988248d95d1eb7939c)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
+@@ -38,7 +38,6 @@
+ 
+ var (
+ 	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+ 	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+ 	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+ 	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+@@ -63,7 +62,7 @@
+ 	procQueryServiceStatus                = modadvapi32.NewProc("QueryServiceStatus")
+ 	procRevertToSelf                      = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation               = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                       = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036                 = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses              = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                      = modkernel32.NewProc("CreateEventW")
+ 	procCreateIoCompletionPort            = modkernel32.NewProc("CreateIoCompletionPort")
+@@ -242,12 +241,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.Syscall(procProcessPrng.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
++	r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision 6e676ab2b809d46623acb5988248d95d1eb7939c)
++++ b/src/runtime/os_windows.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
+@@ -39,8 +39,8 @@
+ //go:cgo_import_dynamic runtime._GetSystemInfo GetSystemInfo%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._GetThreadContext GetThreadContext%2 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._SetThreadContext SetThreadContext%2 "kernel32.dll"
+-//go:cgo_import_dynamic runtime._LoadLibraryExW LoadLibraryExW%3 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._LoadLibraryW LoadLibraryW%1 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryA LoadLibraryA%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._PostQueuedCompletionStatus PostQueuedCompletionStatus%4 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceCounter QueryPerformanceCounter%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceFrequency QueryPerformanceFrequency%1 "kernel32.dll"
+@@ -74,7 +74,6 @@
+ 	// Following syscalls are available on every Windows PC.
+ 	// All these variables are set by the Windows executable
+ 	// loader before the Go program starts.
+-	_AddVectoredContinueHandler,
+ 	_AddVectoredExceptionHandler,
+ 	_CloseHandle,
+ 	_CreateEventA,
+@@ -97,8 +96,8 @@
+ 	_GetSystemInfo,
+ 	_GetThreadContext,
+ 	_SetThreadContext,
+-	_LoadLibraryExW,
+ 	_LoadLibraryW,
++	_LoadLibraryA,
+ 	_PostQueuedCompletionStatus,
+ 	_QueryPerformanceCounter,
+ 	_QueryPerformanceFrequency,
+@@ -127,8 +126,23 @@
+ 	_WriteFile,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Following syscalls are only available on some Windows PCs.
++	// We will load syscalls, if available, before using them.
++	_AddDllDirectory,
++	_AddVectoredContinueHandler,
++	_LoadLibraryExA,
++	_LoadLibraryExW,
++	_ stdFunction
++
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -145,13 +159,6 @@
+ 	_ stdFunction
+ )
+ 
+-var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-)
+-
+ // Function to be called by windows CreateThread
+ // to start new os thread.
+ func tstart_stdcall(newm *m)
+@@ -244,8 +251,18 @@
+ 	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
+ }
+ 
+-func windowsLoadSystemLib(name []uint16) uintptr {
+-	return stdcall3(_LoadLibraryExW, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++//go:linkname syscall_getSystemDirectory syscall.getSystemDirectory
++func syscall_getSystemDirectory() string {
++	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
++}
++
++func windowsLoadSystemLib(name []byte) uintptr {
++	if useLoadLibraryEx {
++		return stdcall3(_LoadLibraryExA, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		absName := append(sysDirectory[:sysDirectoryLen], name...)
++		return stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&absName[0])))
++	}
+ }
+ 
+ //go:linkname windows_QueryPerformanceCounter internal/syscall/windows.QueryPerformanceCounter
+@@ -263,13 +280,28 @@
+ }
+ 
+ func loadOptionalSyscalls() {
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	var kernel32dll = []byte("kernel32.dll\000")
++	k32 := stdcall1(_LoadLibraryA, uintptr(unsafe.Pointer(&kernel32dll[0])))
++	if k32 == 0 {
++		throw("kernel32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_AddDllDirectory = windowsFindfunc(k32, []byte("AddDllDirectory\000"))
++	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
++	_LoadLibraryExA = windowsFindfunc(k32, []byte("LoadLibraryExA\000"))
++	_LoadLibraryExW = windowsFindfunc(k32, []byte("LoadLibraryExW\000"))
++	useLoadLibraryEx = (_LoadLibraryExW != nil && _LoadLibraryExA != nil && _AddDllDirectory != nil)
++
++	initSysDirectory()
+ 
+-	n32 := windowsLoadSystemLib(ntdlldll[:])
++	var advapi32dll = []byte("advapi32.dll\000")
++	a32 := windowsLoadSystemLib(advapi32dll)
++	if a32 == 0 {
++		throw("advapi32.dll not found")
++	}
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
++
++	var ntdll = []byte("ntdll.dll\000")
++	n32 := windowsLoadSystemLib(ntdll)
+ 	if n32 == 0 {
+ 		throw("ntdll.dll not found")
+ 	}
+@@ -298,7 +330,7 @@
+ 		context  uintptr
+ 	}
+ 
+-	powrprof := windowsLoadSystemLib(powrprofdll[:])
++	powrprof := windowsLoadSystemLib([]byte("powrprof.dll\000"))
+ 	if powrprof == 0 {
+ 		return // Running on Windows 7, where we don't need it anyway.
+ 	}
+@@ -357,6 +389,22 @@
+ // in sys_windows_386.s and sys_windows_amd64.s:
+ func getlasterror() uint32
+ 
++// When loading DLLs, we prefer to use LoadLibraryEx with
++// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
++// available on old Windows, though, and the LOAD_LIBRARY_SEARCH_*
++// flags are not available on some versions of Windows without a
++// security patch.
++//
++// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
++// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
++// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
++// systems that have KB2533623 installed. To determine whether the
++// flags are available, use GetProcAddress to get the address of the
++// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
++// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
++// flags can be used with LoadLibraryEx."
++var useLoadLibraryEx bool
++
+ var timeBeginPeriodRetValue uint32
+ 
+ // osRelaxMinNS indicates that sysmon shouldn't osRelax if the next
+@@ -430,7 +478,8 @@
+ 		// Only load winmm.dll if we need it.
+ 		// This avoids a dependency on winmm.dll for Go programs
+ 		// that run on new Windows versions.
+-		m32 := windowsLoadSystemLib(winmmdll[:])
++		var winmmdll = []byte("winmm.dll\000")
++		m32 := windowsLoadSystemLib(winmmdll)
+ 		if m32 == 0 {
+ 			print("runtime: LoadLibraryExW failed; errno=", getlasterror(), "\n")
+ 			throw("winmm.dll not found")
+@@ -471,6 +520,28 @@
+ 	canUseLongPaths = true
+ }
+ 
++var osVersionInfo struct {
++	majorVersion uint32
++	minorVersion uint32
++	buildNumber  uint32
++}
++
++func initOsVersionInfo() {
++	info := _OSVERSIONINFOW{}
++	info.osVersionInfoSize = uint32(unsafe.Sizeof(info))
++	stdcall1(_RtlGetVersion, uintptr(unsafe.Pointer(&info)))
++	osVersionInfo.majorVersion = info.majorVersion
++	osVersionInfo.minorVersion = info.minorVersion
++	osVersionInfo.buildNumber = info.buildNumber
++}
++
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) {
++	*majorVersion = osVersionInfo.majorVersion
++	*minorVersion = osVersionInfo.minorVersion
++	*buildNumber = osVersionInfo.buildNumber
++}
++
+ func osinit() {
+ 	asmstdcallAddr = unsafe.Pointer(abi.FuncPCABI0(asmstdcall))
+ 
+@@ -483,8 +554,8 @@
+ 	initHighResTimer()
+ 	timeBeginPeriodRetValue = osRelax(false)
+ 
+-	initSysDirectory()
+ 	initLongPathSupport()
++	initOsVersionInfo()
+ 
+ 	numCPUStartup = getCPUCount()
+ 
+@@ -500,7 +571,7 @@
+ //go:nosplit
+ func readRandom(r []byte) int {
+ 	n := 0
+-	if stdcall2(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall2(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	return n
+Index: src/net/hook_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/hook_windows.go b/src/net/hook_windows.go
+--- a/src/net/hook_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/net/hook_windows.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -13,6 +13,7 @@
+ 	hostsFilePath = windows.GetSystemDirectory() + "/Drivers/etc/hosts"
+ 
+ 	// Placeholders for socket system calls.
++	socketFunc    func(int, int, int) (syscall.Handle, error)                                                 = syscall.Socket
+ 	wsaSocketFunc func(int32, int32, int32, *syscall.WSAProtocolInfo, uint32, uint32) (syscall.Handle, error) = windows.WSASocket
+ 	connectFunc   func(syscall.Handle, syscall.Sockaddr) error                                                = syscall.Connect
+ 	listenFunc    func(syscall.Handle, int) error                                                             = syscall.Listen
+Index: src/net/internal/socktest/main_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_test.go b/src/net/internal/socktest/main_test.go
+--- a/src/net/internal/socktest/main_test.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/net/internal/socktest/main_test.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build !js && !plan9 && !wasip1 && !windows
++//go:build !js && !plan9 && !wasip1
+ 
+ package socktest_test
+ 
+Index: src/net/internal/socktest/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_windows_test.go b/src/net/internal/socktest/main_windows_test.go
+new file mode 100644
+--- /dev/null	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
++++ b/src/net/internal/socktest/main_windows_test.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -0,0 +1,22 @@
++// Copyright 2015 The Go Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style
++// license that can be found in the LICENSE file.
++
++package socktest_test
++
++import "syscall"
++
++var (
++	socketFunc func(int, int, int) (syscall.Handle, error)
++	closeFunc  func(syscall.Handle) error
++)
++
++func installTestHooks() {
++	socketFunc = sw.Socket
++	closeFunc = sw.Closesocket
++}
++
++func uninstallTestHooks() {
++	socketFunc = syscall.Socket
++	closeFunc = syscall.Closesocket
++}
+Index: src/net/internal/socktest/sys_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/sys_windows.go b/src/net/internal/socktest/sys_windows.go
+--- a/src/net/internal/socktest/sys_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/net/internal/socktest/sys_windows.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -9,6 +9,38 @@
+ 	"syscall"
+ )
+ 
++// Socket wraps [syscall.Socket].
++func (sw *Switch) Socket(family, sotype, proto int) (s syscall.Handle, err error) {
++	sw.once.Do(sw.init)
++
++	so := &Status{Cookie: cookie(family, sotype, proto)}
++	sw.fmu.RLock()
++	f, _ := sw.fltab[FilterSocket]
++	sw.fmu.RUnlock()
++
++	af, err := f.apply(so)
++	if err != nil {
++		return syscall.InvalidHandle, err
++	}
++	s, so.Err = syscall.Socket(family, sotype, proto)
++	if err = af.apply(so); err != nil {
++		if so.Err == nil {
++			syscall.Closesocket(s)
++		}
++		return syscall.InvalidHandle, err
++	}
++
++	sw.smu.Lock()
++	defer sw.smu.Unlock()
++	if so.Err != nil {
++		sw.stats.getLocked(so.Cookie).OpenFailed++
++		return syscall.InvalidHandle, so.Err
++	}
++	nso := sw.addLocked(s, family, sotype, proto)
++	sw.stats.getLocked(nso.Cookie).Opened++
++	return s, nil
++}
++
+ // WSASocket wraps [syscall.WSASocket].
+ func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
+ 	sw.once.Do(sw.init)
+Index: src/net/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/main_windows_test.go b/src/net/main_windows_test.go
+--- a/src/net/main_windows_test.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/net/main_windows_test.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -12,6 +12,7 @@
+ 
+ var (
+ 	// Placeholders for saving original socket system calls.
++	origSocket      = socketFunc
+ 	origWSASocket   = wsaSocketFunc
+ 	origClosesocket = poll.CloseFunc
+ 	origConnect     = connectFunc
+@@ -21,6 +22,7 @@
+ )
+ 
+ func installTestHooks() {
++	socketFunc = sw.Socket
+ 	wsaSocketFunc = sw.WSASocket
+ 	poll.CloseFunc = sw.Closesocket
+ 	connectFunc = sw.Connect
+@@ -30,6 +32,7 @@
+ }
+ 
+ func uninstallTestHooks() {
++	socketFunc = origSocket
+ 	wsaSocketFunc = origWSASocket
+ 	poll.CloseFunc = origClosesocket
+ 	connectFunc = origConnect
+Index: src/net/sock_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/sock_windows.go b/src/net/sock_windows.go
+--- a/src/net/sock_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/net/sock_windows.go	(revision 6788c4c6f9fafb56729bad6b660f7ee2272d699f)
+@@ -20,6 +20,21 @@
+ func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
+ 	s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
+ 		nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
++	if err == nil {
++		return s, nil
++	}
++	// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
++	// old versions of Windows, see
++	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
++	// for details. Just use syscall.Socket, if windows.WSASocket failed.
++
++	// See ../syscall/exec_unix.go for description of ForkLock.
++	syscall.ForkLock.RLock()
++	s, err = socketFunc(family, sotype, proto)
++	if err == nil {
++		syscall.CloseOnExec(s)
++	}
++	syscall.ForkLock.RUnlock()
+ 	if err != nil {
+ 		return syscall.InvalidHandle, os.NewSyscallError("socket", err)
+ 	}
+Index: src/syscall/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/exec_windows.go b/src/syscall/exec_windows.go
+--- a/src/syscall/exec_windows.go	(revision 8cb5472d94c34b88733a81091bd328e70ee565a4)
++++ b/src/syscall/exec_windows.go	(revision a5b2168bb836ed9d6601c626f95e56c07923f906)
+@@ -14,7 +14,6 @@
+ 	"unsafe"
+ )
+ 
+-// ForkLock is not used on Windows.
+ var ForkLock sync.RWMutex
+ 
+ // EscapeArg rewrites command line argument s as prescribed
+@@ -254,6 +253,9 @@
+ var zeroProcAttr ProcAttr
+ var zeroSysProcAttr SysProcAttr
+ 
++//go:linkname rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
+ 	if len(argv0) == 0 {
+ 		return 0, 0, EWINDOWS
+@@ -317,6 +319,17 @@
+ 		}
+ 	}
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	isWin7 := maj < 6 || (maj == 6 && min <= 1)
++	// NT kernel handles are divisible by 4, with the bottom 3 bits left as
++	// a tag. The fully set tag correlates with the types of handles we're
++	// concerned about here.  Except, the kernel will interpret some
++	// special handle values, like -1, -2, and so forth, so kernelbase.dll
++	// checks to see that those bottom three bits are checked, but that top
++	// bit is not checked.
++	isLegacyWin7ConsoleHandle := func(handle Handle) bool { return isWin7 && handle&0x10000003 == 3 }
++
+ 	p, _ := GetCurrentProcess()
+ 	parentProcess := p
+ 	if sys.ParentProcess != 0 {
+@@ -325,7 +338,15 @@
+ 	fd := make([]Handle, len(attr.Files))
+ 	for i := range attr.Files {
+ 		if attr.Files[i] > 0 {
+-			err := DuplicateHandle(p, Handle(attr.Files[i]), parentProcess, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
++			destinationProcessHandle := parentProcess
++
++			// On Windows 7, console handles aren't real handles, and can only be duplicated
++			// into the current process, not a parent one, which amounts to the same thing.
++			if parentProcess != p && isLegacyWin7ConsoleHandle(Handle(attr.Files[i])) {
++				destinationProcessHandle = p
++			}
++
++			err := DuplicateHandle(p, Handle(attr.Files[i]), destinationProcessHandle, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
+ 			if err != nil {
+ 				return 0, 0, err
+ 			}
+@@ -356,6 +377,14 @@
+ 
+ 	fd = append(fd, sys.AdditionalInheritedHandles...)
+ 
++	// On Windows 7, console handles aren't real handles, so don't pass them
++	// through to PROC_THREAD_ATTRIBUTE_HANDLE_LIST.
++	for i := range fd {
++		if isLegacyWin7ConsoleHandle(fd[i]) {
++			fd[i] = 0
++		}
++	}
++
+ 	// The presence of a NULL handle in the list is enough to cause PROC_THREAD_ATTRIBUTE_HANDLE_LIST
+ 	// to treat the entire list as empty, so remove NULL handles.
+ 	j := 0
+Index: src/runtime/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/syscall_windows.go b/src/runtime/syscall_windows.go
+--- a/src/runtime/syscall_windows.go	(revision a5b2168bb836ed9d6601c626f95e56c07923f906)
++++ b/src/runtime/syscall_windows.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
+@@ -413,10 +413,20 @@
+ 
+ const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+ 
++// When available, this function will use LoadLibraryEx with the filename
++// parameter and the important SEARCH_SYSTEM32 argument. But on systems that
++// do not have that option, absoluteFilepath should contain a fallback
++// to the full path inside of system32 for use with vanilla LoadLibrary.
++//
+ //go:linkname syscall_loadsystemlibrary syscall.loadsystemlibrary
+-func syscall_loadsystemlibrary(filename *uint16) (handle, err uintptr) {
+-	handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++func syscall_loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle, err uintptr) {
++	if useLoadLibraryEx {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryExW)), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		handle, _, err = syscall_SyscallN(uintptr(unsafe.Pointer(_LoadLibraryW)), uintptr(unsafe.Pointer(absoluteFilepath)))
++	}
+ 	KeepAlive(filename)
++	KeepAlive(absoluteFilepath)
+ 	if handle != 0 {
+ 		err = 0
+ 	}
+Index: src/syscall/dll_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
+--- a/src/syscall/dll_windows.go	(revision a5b2168bb836ed9d6601c626f95e56c07923f906)
++++ b/src/syscall/dll_windows.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
+@@ -45,7 +45,7 @@
+ //go:noescape
+ func SyscallN(trap uintptr, args ...uintptr) (r1, r2 uintptr, err Errno)
+ func loadlibrary(filename *uint16) (handle uintptr, err Errno)
+-func loadsystemlibrary(filename *uint16) (handle uintptr, err Errno)
++func loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle uintptr, err Errno)
+ func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err Errno)
+ 
+ // A DLL implements access to a single DLL.
+@@ -54,6 +54,9 @@
+ 	Handle Handle
+ }
+ 
++//go:linkname getSystemDirectory
++func getSystemDirectory() string // Implemented in runtime package.
++
+ // LoadDLL loads the named DLL file into memory.
+ //
+ // If name is not an absolute path and is not a known system DLL used by
+@@ -70,7 +73,11 @@
+ 	var h uintptr
+ 	var e Errno
+ 	if sysdll.IsSystemDLL[name] {
+-		h, e = loadsystemlibrary(namep)
++		absoluteFilepathp, err := UTF16PtrFromString(getSystemDirectory() + name)
++		if err != nil {
++			return nil, err
++		}
++		h, e = loadsystemlibrary(namep, absoluteFilepathp)
+ 	} else {
+ 		h, e = loadlibrary(namep)
+ 	}
+Index: src/os/removeall_at.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_at.go b/src/os/removeall_at.go
+--- a/src/os/removeall_at.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/removeall_at.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build unix || wasip1 || windows
++//go:build unix || wasip1
+ 
+ package os
+ 
+@@ -175,3 +175,25 @@
+ 	}
+ 	return newDirFile(fd, name)
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	// Consistency with os.RemoveAll: Strip trailing /s from the name,
++	// so RemoveAll("not_a_directory/") succeeds.
++	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
++		name = name[:len(name)-1]
++	}
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
++		return struct{}{}, removeAllFrom(parent, name)
++	})
++	if IsNotExist(err) {
++		return nil
++	}
++	if err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return err
++}
+Index: src/os/removeall_noat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_noat.go b/src/os/removeall_noat.go
+--- a/src/os/removeall_noat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/removeall_noat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build (js && wasm) || plan9
++//go:build (js && wasm) || plan9 || windows
+ 
+ package os
+ 
+@@ -140,3 +140,22 @@
+ 	}
+ 	return err
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	if err := checkPathEscapesLstat(r, name); err != nil {
++		if err == syscall.ENOTDIR {
++			// Some intermediate path component is not a directory.
++			// RemoveAll treats this as success (since the target doesn't exist).
++			return nil
++		}
++		return &PathError{Op: "RemoveAll", Path: name, Err: err}
++	}
++	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return nil
++}
+Index: src/os/root_noopenat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_noopenat.go b/src/os/root_noopenat.go
+--- a/src/os/root_noopenat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_noopenat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -11,7 +11,6 @@
+ 	"internal/filepathlite"
+ 	"internal/stringslite"
+ 	"sync/atomic"
+-	"syscall"
+ 	"time"
+ )
+ 
+@@ -185,25 +184,6 @@
+ 	}
+ 	return nil
+ }
+-
+-func rootRemoveAll(r *Root, name string) error {
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	if err := checkPathEscapesLstat(r, name); err != nil {
+-		if err == syscall.ENOTDIR {
+-			// Some intermediate path component is not a directory.
+-			// RemoveAll treats this as success (since the target doesn't exist).
+-			return nil
+-		}
+-		return &PathError{Op: "RemoveAll", Path: name, Err: err}
+-	}
+-	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return nil
+-}
+ 
+ func rootReadlink(r *Root, name string) (string, error) {
+ 	if err := checkPathEscapesLstat(r, name); err != nil {
+Index: src/os/root_openat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_openat.go b/src/os/root_openat.go
+--- a/src/os/root_openat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_openat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -194,28 +194,6 @@
+ 	return nil
+ }
+ 
+-func rootRemoveAll(r *Root, name string) error {
+-	// Consistency with os.RemoveAll: Strip trailing /s from the name,
+-	// so RemoveAll("not_a_directory/") succeeds.
+-	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
+-		name = name[:len(name)-1]
+-	}
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
+-		return struct{}{}, removeAllFrom(parent, name)
+-	})
+-	if IsNotExist(err) {
+-		return nil
+-	}
+-	if err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return err
+-}
+-
+ func rootRename(r *Root, oldname, newname string) error {
+ 	_, err := doInRoot(r, oldname, nil, func(oldparent sysfdType, oldname string) (struct{}, error) {
+ 		_, err := doInRoot(r, newname, nil, func(newparent sysfdType, newname string) (struct{}, error) {
+Index: src/os/root_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_windows.go b/src/os/root_windows.go
+--- a/src/os/root_windows.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_windows.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -402,3 +402,14 @@
+ 	}
+ 	return fi.Mode(), nil
+ }
++
++func checkPathEscapes(r *Root, name string) error {
++	if !filepathlite.IsLocal(name) {
++		return errPathEscapes
++	}
++	return nil
++}
++
++func checkPathEscapesLstat(r *Root, name string) error {
++	return checkPathEscapes(r, name)
++}
+Index: src/os/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/exec_windows.go b/src/os/exec_windows.go
+--- a/src/os/exec_windows.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
++++ b/src/os/exec_windows.go	(revision fb3d09a67fe97008ad76fea97ae88170072cbdbb)
+@@ -10,6 +10,7 @@
+ 	"runtime"
+ 	"syscall"
+ 	"time"
++	_ "unsafe"
+ )
+ 
+ // Note that Process.handle is never nil because Windows always requires
+@@ -49,9 +50,23 @@
+ 	// than statusDone.
+ 	p.doRelease(statusReleased)
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	if maj < 10 {
++		// NOTE(brainman): It seems that sometimes process is not dead
++		// when WaitForSingleObject returns. But we do not know any
++		// other way to wait for it. Sleeping for a while seems to do
++		// the trick sometimes.
++		// See https://golang.org/issue/25965 for details.
++		time.Sleep(5 * time.Millisecond)
++	}
++
+ 	return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
+ }
+ 
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func (p *Process) signal(sig Signal) error {
+ 	handle, status := p.handleTransientAcquire()
+ 	switch status {

.github/patch/go1.26.patch

@@ -0,0 +1,883 @@
+Subject: [PATCH] Revert "os: remove 5ms sleep on Windows in (*Process).Wait"
+Fix os.RemoveAll not working on Windows7
+Revert "runtime: always use LoadLibraryEx to load system libraries"
+Revert "syscall: remove Windows 7 console handle workaround"
+Revert "net: remove sysSocket fallback for Windows 7"
+Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+---
+Index: src/crypto/internal/sysrand/rand_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/internal/sysrand/rand_windows.go b/src/crypto/internal/sysrand/rand_windows.go
+--- a/src/crypto/internal/sysrand/rand_windows.go	(revision c599a8f2385849a225d02843b3c6389dbfc5aa69)
++++ b/src/crypto/internal/sysrand/rand_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
+@@ -7,5 +7,26 @@
+ import "internal/syscall/windows"
+ 
+ func read(b []byte) error {
+-	return windows.ProcessPrng(b)
++	// RtlGenRandom only returns 1<<32-1 bytes at a time. We only read at
++	// most 1<<31-1 bytes at a time so that  this works the same on 32-bit
++	// and 64-bit systems.
++	return batched(windows.RtlGenRandom, 1<<31-1)(b)
++}
++
++// batched returns a function that calls f to populate a []byte by chunking it
++// into subslices of, at most, readMax bytes.
++func batched(f func([]byte) error, readMax int) func([]byte) error {
++	return func(out []byte) error {
++		for len(out) > 0 {
++			read := len(out)
++			if read > readMax {
++				read = readMax
++			}
++			if err := f(out[:read]); err != nil {
++				return err
++			}
++			out = out[read:]
++		}
++		return nil
++	}
+ }
+Index: src/crypto/rand/rand.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/crypto/rand/rand.go b/src/crypto/rand/rand.go
+--- a/src/crypto/rand/rand.go	(revision c599a8f2385849a225d02843b3c6389dbfc5aa69)
++++ b/src/crypto/rand/rand.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
+@@ -25,7 +25,7 @@
+ //   - On legacy Linux (< 3.17), Reader opens /dev/urandom on first use.
+ //   - On macOS, iOS, and OpenBSD Reader, uses arc4random_buf(3).
+ //   - On NetBSD, Reader uses the kern.arandom sysctl.
+-//   - On Windows, Reader uses the ProcessPrng API.
++//   - On Windows systems, Reader uses the RtlGenRandom API.
+ //   - On js/wasm, Reader uses the Web Crypto API.
+ //   - On wasip1/wasm, Reader uses random_get.
+ //
+Index: src/internal/syscall/windows/syscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go
+--- a/src/internal/syscall/windows/syscall_windows.go	(revision c599a8f2385849a225d02843b3c6389dbfc5aa69)
++++ b/src/internal/syscall/windows/syscall_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
+@@ -421,7 +421,7 @@
+ //sys	DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock
+ //sys	CreateEvent(eventAttrs *SecurityAttributes, manualReset uint32, initialState uint32, name *uint16) (handle syscall.Handle, err error) = kernel32.CreateEventW
+ 
+-//sys	ProcessPrng(buf []byte) (err error) = bcryptprimitives.ProcessPrng
++//sys	RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036
+ 
+ type FILE_ID_BOTH_DIR_INFO struct {
+ 	NextEntryOffset uint32
+Index: src/internal/syscall/windows/zsyscall_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go
+--- a/src/internal/syscall/windows/zsyscall_windows.go	(revision c599a8f2385849a225d02843b3c6389dbfc5aa69)
++++ b/src/internal/syscall/windows/zsyscall_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
+@@ -38,7 +38,6 @@
+ 
+ var (
+ 	modadvapi32         = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+-	modbcryptprimitives = syscall.NewLazyDLL(sysdll.Add("bcryptprimitives.dll"))
+ 	modiphlpapi         = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+ 	modkernel32         = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
+ 	modnetapi32         = syscall.NewLazyDLL(sysdll.Add("netapi32.dll"))
+@@ -63,7 +62,7 @@
+ 	procQueryServiceStatus                = modadvapi32.NewProc("QueryServiceStatus")
+ 	procRevertToSelf                      = modadvapi32.NewProc("RevertToSelf")
+ 	procSetTokenInformation               = modadvapi32.NewProc("SetTokenInformation")
+-	procProcessPrng                       = modbcryptprimitives.NewProc("ProcessPrng")
++	procSystemFunction036                 = modadvapi32.NewProc("SystemFunction036")
+ 	procGetAdaptersAddresses              = modiphlpapi.NewProc("GetAdaptersAddresses")
+ 	procCreateEventW                      = modkernel32.NewProc("CreateEventW")
+ 	procCreateIoCompletionPort            = modkernel32.NewProc("CreateIoCompletionPort")
+@@ -244,12 +243,12 @@
+ 	return
+ }
+ 
+-func ProcessPrng(buf []byte) (err error) {
++func RtlGenRandom(buf []byte) (err error) {
+ 	var _p0 *byte
+ 	if len(buf) > 0 {
+ 		_p0 = &buf[0]
+ 	}
+-	r1, _, e1 := syscall.SyscallN(procProcessPrng.Addr(), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)))
++	r1, _, e1 := syscall.SyscallN(procSystemFunction036.Addr(), uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0)
+ 	if r1 == 0 {
+ 		err = errnoErr(e1)
+ 	}
+Index: src/runtime/os_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
+--- a/src/runtime/os_windows.go	(revision c599a8f2385849a225d02843b3c6389dbfc5aa69)
++++ b/src/runtime/os_windows.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
+@@ -40,7 +40,8 @@
+ //go:cgo_import_dynamic runtime._GetSystemInfo GetSystemInfo%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._GetThreadContext GetThreadContext%2 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._SetThreadContext SetThreadContext%2 "kernel32.dll"
+-//go:cgo_import_dynamic runtime._LoadLibraryExW LoadLibraryExW%3 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryW LoadLibraryW%1 "kernel32.dll"
++//go:cgo_import_dynamic runtime._LoadLibraryA LoadLibraryA%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._PostQueuedCompletionStatus PostQueuedCompletionStatus%4 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceCounter QueryPerformanceCounter%1 "kernel32.dll"
+ //go:cgo_import_dynamic runtime._QueryPerformanceFrequency QueryPerformanceFrequency%1 "kernel32.dll"
+@@ -74,7 +75,6 @@
+ 	// Following syscalls are available on every Windows PC.
+ 	// All these variables are set by the Windows executable
+ 	// loader before the Go program starts.
+-	_AddVectoredContinueHandler,
+ 	_AddVectoredExceptionHandler,
+ 	_CloseHandle,
+ 	_CreateEventA,
+@@ -97,7 +97,8 @@
+ 	_GetSystemInfo,
+ 	_GetThreadContext,
+ 	_SetThreadContext,
+-	_LoadLibraryExW,
++	_LoadLibraryW,
++	_LoadLibraryA,
+ 	_PostQueuedCompletionStatus,
+ 	_QueryPerformanceCounter,
+ 	_QueryPerformanceFrequency,
+@@ -126,8 +127,23 @@
+ 	_WriteFile,
+ 	_ stdFunction
+ 
+-	// Use ProcessPrng to generate cryptographically random data.
+-	_ProcessPrng stdFunction
++	// Following syscalls are only available on some Windows PCs.
++	// We will load syscalls, if available, before using them.
++	_AddDllDirectory,
++	_AddVectoredContinueHandler,
++	_LoadLibraryExA,
++	_LoadLibraryExW,
++	_ stdFunction
++
++	// Use RtlGenRandom to generate cryptographically random data.
++	// This approach has been recommended by Microsoft (see issue
++	// 15589 for details).
++	// The RtlGenRandom is not listed in advapi32.dll, instead
++	// RtlGenRandom function can be found by searching for SystemFunction036.
++	// Also some versions of Mingw cannot link to SystemFunction036
++	// when building executable as Cgo. So load SystemFunction036
++	// manually during runtime startup.
++	_RtlGenRandom stdFunction
+ 
+ 	// Load ntdll.dll manually during startup, otherwise Mingw
+ 	// links wrong printf function to cgo executable (see issue
+@@ -144,13 +160,6 @@
+ 	_ stdFunction
+ )
+ 
+-var (
+-	bcryptprimitivesdll = [...]uint16{'b', 'c', 'r', 'y', 'p', 't', 'p', 'r', 'i', 'm', 'i', 't', 'i', 'v', 'e', 's', '.', 'd', 'l', 'l', 0}
+-	ntdlldll            = [...]uint16{'n', 't', 'd', 'l', 'l', '.', 'd', 'l', 'l', 0}
+-	powrprofdll         = [...]uint16{'p', 'o', 'w', 'r', 'p', 'r', 'o', 'f', '.', 'd', 'l', 'l', 0}
+-	winmmdll            = [...]uint16{'w', 'i', 'n', 'm', 'm', '.', 'd', 'l', 'l', 0}
+-)
+-
+ // Function to be called by windows CreateThread
+ // to start new os thread.
+ func tstart_stdcall(newm *m)
+@@ -242,9 +251,40 @@
+ 	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
+ }
+ 
+-func windowsLoadSystemLib(name []uint16) uintptr {
+-	const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+-	return stdcall(_LoadLibraryExW, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++//go:linkname syscall_getSystemDirectory syscall.getSystemDirectory
++func syscall_getSystemDirectory() string {
++	return unsafe.String(&sysDirectory[0], sysDirectoryLen)
++}
++
++func windowsLoadSystemLib(name []byte) uintptr {
++	if useLoadLibraryEx {
++		return stdcall(_LoadLibraryExA, uintptr(unsafe.Pointer(&name[0])), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		absName := append(sysDirectory[:sysDirectoryLen], name...)
++		return stdcall(_LoadLibraryA, uintptr(unsafe.Pointer(&absName[0])))
++	}
++}
++
++const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
++
++// When available, this function will use LoadLibraryEx with the filename
++// parameter and the important SEARCH_SYSTEM32 argument. But on systems that
++// do not have that option, absoluteFilepath should contain a fallback
++// to the full path inside of system32 for use with vanilla LoadLibrary.
++//
++//go:linkname syscall_loadsystemlibrary syscall.loadsystemlibrary
++func syscall_loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle, err uintptr) {
++	if useLoadLibraryEx {
++		handle, _, err = syscall_syscalln(uintptr(unsafe.Pointer(_LoadLibraryExW)), 3, uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
++	} else {
++		handle, _, err = syscall_syscalln(uintptr(unsafe.Pointer(_LoadLibraryW)), 1, uintptr(unsafe.Pointer(absoluteFilepath)))
++	}
++	KeepAlive(filename)
++	KeepAlive(absoluteFilepath)
++	if handle != 0 {
++		err = 0
++	}
++	return
+ }
+ 
+ //go:linkname windows_QueryPerformanceCounter internal/syscall/windows.QueryPerformanceCounter
+@@ -262,13 +302,28 @@
+ }
+ 
+ func loadOptionalSyscalls() {
+-	bcryptPrimitives := windowsLoadSystemLib(bcryptprimitivesdll[:])
+-	if bcryptPrimitives == 0 {
+-		throw("bcryptprimitives.dll not found")
++	var kernel32dll = []byte("kernel32.dll\000")
++	k32 := stdcall(_LoadLibraryA, uintptr(unsafe.Pointer(&kernel32dll[0])))
++	if k32 == 0 {
++		throw("kernel32.dll not found")
+ 	}
+-	_ProcessPrng = windowsFindfunc(bcryptPrimitives, []byte("ProcessPrng\000"))
++	_AddDllDirectory = windowsFindfunc(k32, []byte("AddDllDirectory\000"))
++	_AddVectoredContinueHandler = windowsFindfunc(k32, []byte("AddVectoredContinueHandler\000"))
++	_LoadLibraryExA = windowsFindfunc(k32, []byte("LoadLibraryExA\000"))
++	_LoadLibraryExW = windowsFindfunc(k32, []byte("LoadLibraryExW\000"))
++	useLoadLibraryEx = (_LoadLibraryExW != nil && _LoadLibraryExA != nil && _AddDllDirectory != nil)
++
++	initSysDirectory()
+ 
+-	n32 := windowsLoadSystemLib(ntdlldll[:])
++	var advapi32dll = []byte("advapi32.dll\000")
++	a32 := windowsLoadSystemLib(advapi32dll)
++	if a32 == 0 {
++		throw("advapi32.dll not found")
++	}
++	_RtlGenRandom = windowsFindfunc(a32, []byte("SystemFunction036\000"))
++
++	var ntdll = []byte("ntdll.dll\000")
++	n32 := windowsLoadSystemLib(ntdll)
+ 	if n32 == 0 {
+ 		throw("ntdll.dll not found")
+ 	}
+@@ -297,7 +352,7 @@
+ 		context  uintptr
+ 	}
+ 
+-	powrprof := windowsLoadSystemLib(powrprofdll[:])
++	powrprof := windowsLoadSystemLib([]byte("powrprof.dll\000"))
+ 	if powrprof == 0 {
+ 		return // Running on Windows 7, where we don't need it anyway.
+ 	}
+@@ -351,6 +406,22 @@
+ // in sys_windows_386.s and sys_windows_amd64.s:
+ func getlasterror() uint32
+ 
++// When loading DLLs, we prefer to use LoadLibraryEx with
++// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
++// available on old Windows, though, and the LOAD_LIBRARY_SEARCH_*
++// flags are not available on some versions of Windows without a
++// security patch.
++//
++// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
++// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
++// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
++// systems that have KB2533623 installed. To determine whether the
++// flags are available, use GetProcAddress to get the address of the
++// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
++// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
++// flags can be used with LoadLibraryEx."
++var useLoadLibraryEx bool
++
+ var timeBeginPeriodRetValue uint32
+ 
+ // osRelaxMinNS indicates that sysmon shouldn't osRelax if the next
+@@ -417,7 +488,8 @@
+ 		// Only load winmm.dll if we need it.
+ 		// This avoids a dependency on winmm.dll for Go programs
+ 		// that run on new Windows versions.
+-		m32 := windowsLoadSystemLib(winmmdll[:])
++		var winmmdll = []byte("winmm.dll\000")
++		m32 := windowsLoadSystemLib(winmmdll)
+ 		if m32 == 0 {
+ 			print("runtime: LoadLibraryExW failed; errno=", getlasterror(), "\n")
+ 			throw("winmm.dll not found")
+@@ -458,6 +530,28 @@
+ 	canUseLongPaths = true
+ }
+ 
++var osVersionInfo struct {
++	majorVersion uint32
++	minorVersion uint32
++	buildNumber  uint32
++}
++
++func initOsVersionInfo() {
++	info := windows.OSVERSIONINFOW{}
++	info.OSVersionInfoSize = uint32(unsafe.Sizeof(info))
++	stdcall(_RtlGetVersion, uintptr(unsafe.Pointer(&info)))
++	osVersionInfo.majorVersion = info.MajorVersion
++	osVersionInfo.minorVersion = info.MinorVersion
++	osVersionInfo.buildNumber = info.BuildNumber
++}
++
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32) {
++	*majorVersion = osVersionInfo.majorVersion
++	*minorVersion = osVersionInfo.minorVersion
++	*buildNumber = osVersionInfo.buildNumber
++}
++
+ func osinit() {
+ 	asmstdcallAddr = unsafe.Pointer(windows.AsmStdCallAddr())
+ 
+@@ -470,8 +564,8 @@
+ 	initHighResTimer()
+ 	timeBeginPeriodRetValue = osRelax(false)
+ 
+-	initSysDirectory()
+ 	initLongPathSupport()
++	initOsVersionInfo()
+ 
+ 	numCPUStartup = getCPUCount()
+ 
+@@ -487,7 +581,7 @@
+ //go:nosplit
+ func readRandom(r []byte) int {
+ 	n := 0
+-	if stdcall(_ProcessPrng, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
++	if stdcall(_RtlGenRandom, uintptr(unsafe.Pointer(&r[0])), uintptr(len(r)))&0xff != 0 {
+ 		n = len(r)
+ 	}
+ 	return n
+Index: src/net/hook_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/hook_windows.go b/src/net/hook_windows.go
+--- a/src/net/hook_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/net/hook_windows.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -13,6 +13,7 @@
+ 	hostsFilePath = windows.GetSystemDirectory() + "/Drivers/etc/hosts"
+ 
+ 	// Placeholders for socket system calls.
++	socketFunc    func(int, int, int) (syscall.Handle, error)                                                 = syscall.Socket
+ 	wsaSocketFunc func(int32, int32, int32, *syscall.WSAProtocolInfo, uint32, uint32) (syscall.Handle, error) = windows.WSASocket
+ 	connectFunc   func(syscall.Handle, syscall.Sockaddr) error                                                = syscall.Connect
+ 	listenFunc    func(syscall.Handle, int) error                                                             = syscall.Listen
+Index: src/net/internal/socktest/main_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_test.go b/src/net/internal/socktest/main_test.go
+--- a/src/net/internal/socktest/main_test.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/net/internal/socktest/main_test.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build !js && !plan9 && !wasip1 && !windows
++//go:build !js && !plan9 && !wasip1
+ 
+ package socktest_test
+ 
+Index: src/net/internal/socktest/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/main_windows_test.go b/src/net/internal/socktest/main_windows_test.go
+new file mode 100644
+--- /dev/null	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
++++ b/src/net/internal/socktest/main_windows_test.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -0,0 +1,22 @@
++// Copyright 2015 The Go Authors. All rights reserved.
++// Use of this source code is governed by a BSD-style
++// license that can be found in the LICENSE file.
++
++package socktest_test
++
++import "syscall"
++
++var (
++	socketFunc func(int, int, int) (syscall.Handle, error)
++	closeFunc  func(syscall.Handle) error
++)
++
++func installTestHooks() {
++	socketFunc = sw.Socket
++	closeFunc = sw.Closesocket
++}
++
++func uninstallTestHooks() {
++	socketFunc = syscall.Socket
++	closeFunc = syscall.Closesocket
++}
+Index: src/net/internal/socktest/sys_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/internal/socktest/sys_windows.go b/src/net/internal/socktest/sys_windows.go
+--- a/src/net/internal/socktest/sys_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/net/internal/socktest/sys_windows.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -9,6 +9,38 @@
+ 	"syscall"
+ )
+ 
++// Socket wraps [syscall.Socket].
++func (sw *Switch) Socket(family, sotype, proto int) (s syscall.Handle, err error) {
++	sw.once.Do(sw.init)
++
++	so := &Status{Cookie: cookie(family, sotype, proto)}
++	sw.fmu.RLock()
++	f, _ := sw.fltab[FilterSocket]
++	sw.fmu.RUnlock()
++
++	af, err := f.apply(so)
++	if err != nil {
++		return syscall.InvalidHandle, err
++	}
++	s, so.Err = syscall.Socket(family, sotype, proto)
++	if err = af.apply(so); err != nil {
++		if so.Err == nil {
++			syscall.Closesocket(s)
++		}
++		return syscall.InvalidHandle, err
++	}
++
++	sw.smu.Lock()
++	defer sw.smu.Unlock()
++	if so.Err != nil {
++		sw.stats.getLocked(so.Cookie).OpenFailed++
++		return syscall.InvalidHandle, so.Err
++	}
++	nso := sw.addLocked(s, family, sotype, proto)
++	sw.stats.getLocked(nso.Cookie).Opened++
++	return s, nil
++}
++
+ // WSASocket wraps [syscall.WSASocket].
+ func (sw *Switch) WSASocket(family, sotype, proto int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (s syscall.Handle, err error) {
+ 	sw.once.Do(sw.init)
+Index: src/net/main_windows_test.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/main_windows_test.go b/src/net/main_windows_test.go
+--- a/src/net/main_windows_test.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/net/main_windows_test.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -12,6 +12,7 @@
+ 
+ var (
+ 	// Placeholders for saving original socket system calls.
++	origSocket      = socketFunc
+ 	origWSASocket   = wsaSocketFunc
+ 	origClosesocket = poll.CloseFunc
+ 	origConnect     = connectFunc
+@@ -21,6 +22,7 @@
+ )
+ 
+ func installTestHooks() {
++	socketFunc = sw.Socket
+ 	wsaSocketFunc = sw.WSASocket
+ 	poll.CloseFunc = sw.Closesocket
+ 	connectFunc = sw.Connect
+@@ -30,6 +32,7 @@
+ }
+ 
+ func uninstallTestHooks() {
++	socketFunc = origSocket
+ 	wsaSocketFunc = origWSASocket
+ 	poll.CloseFunc = origClosesocket
+ 	connectFunc = origConnect
+Index: src/net/sock_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/net/sock_windows.go b/src/net/sock_windows.go
+--- a/src/net/sock_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/net/sock_windows.go	(revision 44e76f7cf1bc6e04b5da724e0b2e48f393713506)
+@@ -20,6 +20,21 @@
+ func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
+ 	s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
+ 		nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
++	if err == nil {
++		return s, nil
++	}
++	// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
++	// old versions of Windows, see
++	// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
++	// for details. Just use syscall.Socket, if windows.WSASocket failed.
++
++	// See ../syscall/exec_unix.go for description of ForkLock.
++	syscall.ForkLock.RLock()
++	s, err = socketFunc(family, sotype, proto)
++	if err == nil {
++		syscall.CloseOnExec(s)
++	}
++	syscall.ForkLock.RUnlock()
+ 	if err != nil {
+ 		return syscall.InvalidHandle, os.NewSyscallError("socket", err)
+ 	}
+Index: src/syscall/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/exec_windows.go b/src/syscall/exec_windows.go
+--- a/src/syscall/exec_windows.go	(revision b0d48afabb9fd14976c27221cb525c5d2ebbfe79)
++++ b/src/syscall/exec_windows.go	(revision b4aece36e51ecce81c3ee9fe03e31db552e90018)
+@@ -15,7 +15,6 @@
+ 	"unsafe"
+ )
+ 
+-// ForkLock is not used on Windows.
+ var ForkLock sync.RWMutex
+ 
+ // EscapeArg rewrites command line argument s as prescribed
+@@ -304,6 +303,9 @@
+ var zeroProcAttr ProcAttr
+ var zeroSysProcAttr SysProcAttr
+ 
++//go:linkname rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
+ 	if len(argv0) == 0 {
+ 		return 0, 0, EWINDOWS
+@@ -367,6 +369,17 @@
+ 		}
+ 	}
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	isWin7 := maj < 6 || (maj == 6 && min <= 1)
++	// NT kernel handles are divisible by 4, with the bottom 3 bits left as
++	// a tag. The fully set tag correlates with the types of handles we're
++	// concerned about here.  Except, the kernel will interpret some
++	// special handle values, like -1, -2, and so forth, so kernelbase.dll
++	// checks to see that those bottom three bits are checked, but that top
++	// bit is not checked.
++	isLegacyWin7ConsoleHandle := func(handle Handle) bool { return isWin7 && handle&0x10000003 == 3 }
++
+ 	p, _ := GetCurrentProcess()
+ 	parentProcess := p
+ 	if sys.ParentProcess != 0 {
+@@ -375,7 +388,15 @@
+ 	fd := make([]Handle, len(attr.Files))
+ 	for i := range attr.Files {
+ 		if attr.Files[i] > 0 {
+-			err := DuplicateHandle(p, Handle(attr.Files[i]), parentProcess, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
++			destinationProcessHandle := parentProcess
++
++			// On Windows 7, console handles aren't real handles, and can only be duplicated
++			// into the current process, not a parent one, which amounts to the same thing.
++			if parentProcess != p && isLegacyWin7ConsoleHandle(Handle(attr.Files[i])) {
++				destinationProcessHandle = p
++			}
++
++			err := DuplicateHandle(p, Handle(attr.Files[i]), destinationProcessHandle, &fd[i], 0, true, DUPLICATE_SAME_ACCESS)
+ 			if err != nil {
+ 				return 0, 0, err
+ 			}
+@@ -406,6 +427,14 @@
+ 
+ 	fd = append(fd, sys.AdditionalInheritedHandles...)
+ 
++	// On Windows 7, console handles aren't real handles, so don't pass them
++	// through to PROC_THREAD_ATTRIBUTE_HANDLE_LIST.
++	for i := range fd {
++		if isLegacyWin7ConsoleHandle(fd[i]) {
++			fd[i] = 0
++		}
++	}
++
+ 	// The presence of a NULL handle in the list is enough to cause PROC_THREAD_ATTRIBUTE_HANDLE_LIST
+ 	// to treat the entire list as empty, so remove NULL handles.
+ 	j := 0
+Index: src/syscall/dll_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
+--- a/src/syscall/dll_windows.go	(revision b4aece36e51ecce81c3ee9fe03e31db552e90018)
++++ b/src/syscall/dll_windows.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
+@@ -119,14 +119,7 @@
+ }
+ 
+ //go:linkname loadsystemlibrary
+-func loadsystemlibrary(filename *uint16) (uintptr, Errno) {
+-	const _LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+-	handle, _, err := SyscallN(uintptr(__LoadLibraryExW), uintptr(unsafe.Pointer(filename)), 0, _LOAD_LIBRARY_SEARCH_SYSTEM32)
+-	if handle != 0 {
+-		err = 0
+-	}
+-	return handle, err
+-}
++func loadsystemlibrary(filename *uint16, absoluteFilepath *uint16) (handle uintptr, err Errno)
+ 
+ //go:linkname getprocaddress
+ func getprocaddress(handle uintptr, procname *uint8) (uintptr, Errno) {
+@@ -143,6 +136,9 @@
+ 	Handle Handle
+ }
+ 
++//go:linkname getSystemDirectory
++func getSystemDirectory() string // Implemented in runtime package.
++
+ // LoadDLL loads the named DLL file into memory.
+ //
+ // If name is not an absolute path and is not a known system DLL used by
+@@ -159,7 +155,11 @@
+ 	var h uintptr
+ 	var e Errno
+ 	if sysdll.IsSystemDLL[name] {
+-		h, e = loadsystemlibrary(namep)
++		absoluteFilepathp, err := UTF16PtrFromString(getSystemDirectory() + name)
++		if err != nil {
++			return nil, err
++		}
++		h, e = loadsystemlibrary(namep, absoluteFilepathp)
+ 	} else {
+ 		h, e = loadlibrary(namep)
+ 	}
+Index: src/os/removeall_at.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_at.go b/src/os/removeall_at.go
+--- a/src/os/removeall_at.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
++++ b/src/os/removeall_at.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build unix || wasip1 || windows
++//go:build unix || wasip1
+ 
+ package os
+ 
+@@ -175,3 +175,25 @@
+ 	}
+ 	return newDirFile(fd, name)
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	// Consistency with os.RemoveAll: Strip trailing /s from the name,
++	// so RemoveAll("not_a_directory/") succeeds.
++	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
++		name = name[:len(name)-1]
++	}
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
++		return struct{}{}, removeAllFrom(parent, name)
++	})
++	if IsNotExist(err) {
++		return nil
++	}
++	if err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return err
++}
+Index: src/os/removeall_noat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_noat.go b/src/os/removeall_noat.go
+--- a/src/os/removeall_noat.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
++++ b/src/os/removeall_noat.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build (js && wasm) || plan9
++//go:build (js && wasm) || plan9 || windows
+ 
+ package os
+ 
+@@ -140,3 +140,22 @@
+ 	}
+ 	return err
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	if err := checkPathEscapesLstat(r, name); err != nil {
++		if err == syscall.ENOTDIR {
++			// Some intermediate path component is not a directory.
++			// RemoveAll treats this as success (since the target doesn't exist).
++			return nil
++		}
++		return &PathError{Op: "RemoveAll", Path: name, Err: err}
++	}
++	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return nil
++}
+Index: src/os/root_noopenat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_noopenat.go b/src/os/root_noopenat.go
+--- a/src/os/root_noopenat.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
++++ b/src/os/root_noopenat.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
+@@ -11,7 +11,6 @@
+ 	"internal/filepathlite"
+ 	"internal/stringslite"
+ 	"sync/atomic"
+-	"syscall"
+ 	"time"
+ )
+ 
+@@ -185,25 +184,6 @@
+ 	}
+ 	return nil
+ }
+-
+-func rootRemoveAll(r *Root, name string) error {
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	if err := checkPathEscapesLstat(r, name); err != nil {
+-		if err == syscall.ENOTDIR {
+-			// Some intermediate path component is not a directory.
+-			// RemoveAll treats this as success (since the target doesn't exist).
+-			return nil
+-		}
+-		return &PathError{Op: "RemoveAll", Path: name, Err: err}
+-	}
+-	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return nil
+-}
+ 
+ func rootReadlink(r *Root, name string) (string, error) {
+ 	if err := checkPathEscapesLstat(r, name); err != nil {
+Index: src/os/root_openat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_openat.go b/src/os/root_openat.go
+--- a/src/os/root_openat.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
++++ b/src/os/root_openat.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
+@@ -196,28 +196,6 @@
+ 	return nil
+ }
+ 
+-func rootRemoveAll(r *Root, name string) error {
+-	// Consistency with os.RemoveAll: Strip trailing /s from the name,
+-	// so RemoveAll("not_a_directory/") succeeds.
+-	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
+-		name = name[:len(name)-1]
+-	}
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
+-		return struct{}{}, removeAllFrom(parent, name)
+-	})
+-	if IsNotExist(err) {
+-		return nil
+-	}
+-	if err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return err
+-}
+-
+ func rootRename(r *Root, oldname, newname string) error {
+ 	_, err := doInRoot(r, oldname, nil, func(oldparent sysfdType, oldname string) (struct{}, error) {
+ 		_, err := doInRoot(r, newname, nil, func(newparent sysfdType, newname string) (struct{}, error) {
+Index: src/os/root_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_windows.go b/src/os/root_windows.go
+--- a/src/os/root_windows.go	(revision ea2726a6fa25fbfa1092e696e522eafca544d24c)
++++ b/src/os/root_windows.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
+@@ -402,3 +402,14 @@
+ 	}
+ 	return fi.Mode(), nil
+ }
++
++func checkPathEscapes(r *Root, name string) error {
++	if !filepathlite.IsLocal(name) {
++		return errPathEscapes
++	}
++	return nil
++}
++
++func checkPathEscapesLstat(r *Root, name string) error {
++	return checkPathEscapes(r, name)
++}
+Index: src/os/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/exec_windows.go b/src/os/exec_windows.go
+--- a/src/os/exec_windows.go	(revision d47e0d22130d597dcf9daa6b41fd9501274f0cb2)
++++ b/src/os/exec_windows.go	(revision 00e8daec9a4d88f44a8dc55d3bdb71878e525b41)
+@@ -10,6 +10,7 @@
+ 	"runtime"
+ 	"syscall"
+ 	"time"
++	_ "unsafe"
+ )
+ 
+ // Note that Process.handle is never nil because Windows always requires
+@@ -49,9 +50,23 @@
+ 	// than statusDone.
+ 	p.doRelease(statusReleased)
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	if maj < 10 {
++		// NOTE(brainman): It seems that sometimes process is not dead
++		// when WaitForSingleObject returns. But we do not know any
++		// other way to wait for it. Sleeping for a while seems to do
++		// the trick sometimes.
++		// See https://golang.org/issue/25965 for details.
++		time.Sleep(5 * time.Millisecond)
++	}
++
+ 	return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
+ }
+ 
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func (p *Process) signal(sig Signal) error {
+ 	handle, status := p.handleTransientAcquire()
+ 	switch status {

.github/workflows/build.yml

@@ -29,14 +29,20 @@ jobs:
     strategy:
       matrix:
         jobs:
-          - { goos: darwin, goarch: arm64, output: arm64 }
-          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-compatible }
+          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-compatible } # old style file name will be removed in next released
           - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64 }
+          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-v1 }
+          - { goos: darwin, goarch: amd64, goamd64: v2, output: amd64-v2 }
+          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-v3 }
+          - { goos: darwin, goarch: arm64, output: arm64 }
 
           - { goos: linux, goarch: '386', go386: sse2, output: '386', debian: i386, rpm: i386}
           - { goos: linux, goarch: '386', go386: softfloat, output: '386-softfloat' }
-          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-compatible, test: test }
+          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-compatible} # old style file name will be removed in next released
           - { goos: linux, goarch: amd64, goamd64: v3, output: amd64, debian: amd64, rpm: x86_64, pacman: x86_64}
+          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-v1, debian: amd64, rpm: x86_64, pacman: x86_64, test: test }
+          - { goos: linux, goarch: amd64, goamd64: v2, output: amd64-v2, debian: amd64, rpm: x86_64, pacman: x86_64}
+          - { goos: linux, goarch: amd64, goamd64: v3, output: amd64-v3, debian: amd64, rpm: x86_64, pacman: x86_64}
           - { goos: linux, goarch: arm64, output: arm64, debian: arm64, rpm: aarch64, pacman: aarch64}  
           - { goos: linux, goarch: arm, goarm: '5', output: armv5 }
           - { goos: linux, goarch: arm, goarm: '6', output: armv6, debian: armel, rpm: armv6hl} 
@@ -53,14 +59,22 @@ jobs:
           - { goos: linux, goarch: s390x, output: s390x, debian: s390x, rpm: s390x }
           - { goos: linux, goarch: ppc64le, output: ppc64le, debian: ppc64el, rpm: ppc64le }
 
+          # Go 1.25 with special patch can work on Windows 7
+          # https://github.com/MetaCubeX/go/commits/release-branch.go1.25/
           - { goos: windows, goarch: '386', output: '386' }
-          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible } # old style file name will be removed in next released
           - { goos: windows, goarch: amd64, goamd64: v3, output: amd64 }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1 }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2 }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3 }
           - { goos: windows, goarch: arm64, output: arm64 }
 
           - { goos: freebsd, goarch: '386', output: '386' }
-          - { goos: freebsd, goarch: amd64, goamd64: v1, output: amd64-compatible }
+          - { goos: freebsd, goarch: amd64, goamd64: v1, output: amd64-compatible } # old style file name will be removed in next released
           - { goos: freebsd, goarch: amd64, goamd64: v3, output: amd64 }
+          - { goos: freebsd, goarch: amd64, goamd64: v1, output: amd64-v1 }
+          - { goos: freebsd, goarch: amd64, goamd64: v2, output: amd64-v2 }
+          - { goos: freebsd, goarch: amd64, goamd64: v3, output: amd64-v3 }
           - { goos: freebsd, goarch: arm64, output: arm64 }
 
           - { goos: android, goarch: '386', ndk: i686-linux-android34, output: '386' }
@@ -68,64 +82,87 @@ jobs:
           - { goos: android, goarch: arm, ndk: armv7a-linux-androideabi34, output: armv7 }
           - { goos: android, goarch: arm64, ndk: aarch64-linux-android34, output: arm64-v8 }
 
+          # Go 1.24 with special patch can work on Windows 7
+          # https://github.com/MetaCubeX/go/commits/release-branch.go1.24/
+          - { goos: windows, goarch: '386', output: '386-go124', goversion: '1.24' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go124, goversion: '1.24' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go124, goversion: '1.24' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go124, goversion: '1.24' }
+
           # Go 1.23 with special patch can work on Windows 7
           # https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
           - { goos: windows, goarch: '386', output: '386-go123', goversion: '1.23' }
-          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible-go123, goversion: '1.23' }
-          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-go123, goversion: '1.23' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go123, goversion: '1.23' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go123, goversion: '1.23' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go123, goversion: '1.23' }
 
           # Go 1.22 with special patch can work on Windows 7
           # https://github.com/MetaCubeX/go/commits/release-branch.go1.22/
           - { goos: windows, goarch: '386', output: '386-go122', goversion: '1.22' }
-          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible-go122, goversion: '1.22' }
-          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-go122, goversion: '1.22' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go122, goversion: '1.22' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go122, goversion: '1.22' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go122, goversion: '1.22' }
 
           # Go 1.21 can revert commit `9e4385` to work on Windows 7
           # https://github.com/golang/go/issues/64622#issuecomment-1847475161
           # (OR we can just use golang1.21.4 which unneeded any patch)
           - { goos: windows, goarch: '386', output: '386-go121', goversion: '1.21' }
-          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible-go121, goversion: '1.21' }
-          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-go121, goversion: '1.21' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go121, goversion: '1.21' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go121, goversion: '1.21' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go121, goversion: '1.21' }
 
           # Go 1.20 is the last release that will run on any release of Windows 7, 8, Server 2008 and Server 2012. Go 1.21 will require at least Windows 10 or Server 2016.
           - { goos: windows, goarch: '386', output: '386-go120', goversion: '1.20' }
-          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-compatible-go120, goversion: '1.20' }
-          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-go120, goversion: '1.20' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go120, goversion: '1.20' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go120, goversion: '1.20' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go120, goversion: '1.20' }
+
+          # Go 1.24 is the last release that will run on macOS 11 Big Sur. Go 1.25 will require macOS 12 Monterey or later.
+          - { goos: darwin, goarch: arm64, output: arm64-go124, goversion: '1.24' }
+          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-v1-go124, goversion: '1.24' }
+          - { goos: darwin, goarch: amd64, goamd64: v2, output: amd64-v2-go124, goversion: '1.24' }
+          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-v3-go124, goversion: '1.24' }
 
           # Go 1.22 is the last release that will run on macOS 10.15 Catalina. Go 1.23 will require macOS 11 Big Sur or later.
           - { goos: darwin, goarch: arm64, output: arm64-go122, goversion: '1.22' }
-          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-compatible-go122, goversion: '1.22' }
-          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-go122, goversion: '1.22' }
+          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-v1-go122, goversion: '1.22' }
+          - { goos: darwin, goarch: amd64, goamd64: v2, output: amd64-v2-go122, goversion: '1.22' }
+          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-v3-go122, goversion: '1.22' }
 
           # Go 1.20 is the last release that will run on macOS 10.13 High Sierra or 10.14 Mojave. Go 1.21 will require macOS 10.15 Catalina or later.
           - { goos: darwin, goarch: arm64, output: arm64-go120, goversion: '1.20' }
-          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-compatible-go120, goversion: '1.20' }
-          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-go120, goversion: '1.20' }
+          - { goos: darwin, goarch: amd64, goamd64: v1, output: amd64-v1-go120, goversion: '1.20' }
+          - { goos: darwin, goarch: amd64, goamd64: v2, output: amd64-v2-go120, goversion: '1.20' }
+          - { goos: darwin, goarch: amd64, goamd64: v3, output: amd64-v3-go120, goversion: '1.20' }
 
           # Go 1.23 is the last release that requires Linux kernel version 2.6.32 or later. Go 1.24 will require Linux kernel version 3.2 or later.
           - { goos: linux, goarch: '386', output: '386-go123', goversion: '1.23' }
-          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-compatible-go123, goversion: '1.23', test: test }
-          - { goos: linux, goarch: amd64, goamd64: v3, output: amd64-go123, goversion: '1.23' }
+          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-v1-go123, goversion: '1.23', test: test }
+          - { goos: linux, goarch: amd64, goamd64: v2, output: amd64-v2-go123, goversion: '1.23' }
+          - { goos: linux, goarch: amd64, goamd64: v3, output: amd64-v3-go123, goversion: '1.23' }
 
           # only for test
           - { goos: linux, goarch: '386', output: '386-go120', goversion: '1.20' }
-          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-compatible-go120, goversion: '1.20', test: test }
-          - { goos: linux, goarch: amd64, goamd64: v3, output: amd64-go120, goversion: '1.20' }
+          - { goos: linux, goarch: amd64, goamd64: v1, output: amd64-v1-go120, goversion: '1.20', test: test }
+          - { goos: linux, goarch: amd64, goamd64: v2, output: amd64-v2-go120, goversion: '1.20' }
+          - { goos: linux, goarch: amd64, goamd64: v3, output: amd64-v3-go120, goversion: '1.20' }
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Go
       if: ${{ matrix.jobs.goversion == '' && matrix.jobs.abi != '1' }}
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
-        go-version: '1.24'
+        go-version: '1.25'
+        check-latest: true # Always check for the latest patch release
 
     - name: Set up Go
       if: ${{ matrix.jobs.goversion != '' && matrix.jobs.abi != '1' }}
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v6
       with:
         go-version: ${{ matrix.jobs.goversion }}
+        check-latest: true # Always check for the latest patch release
 
     - name: Set up Go1.24 loongarch abi1
       if: ${{ matrix.jobs.goarch == 'loong64' && matrix.jobs.abi == '1' }}
@@ -134,6 +171,24 @@ jobs:
         sudo tar zxf go1.24.0.linux-amd64-abi1.tar.gz -C /usr/local
         echo "/usr/local/go/bin" >> $GITHUB_PATH
 
+      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+      # this patch file only works on golang1.25.x
+      # that means after golang1.26 release it must be changed
+      # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.25/
+      # revert:
+      # 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+      # 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
+      # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
+      # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
+      # f0894a00f4b756d4b9b4078af2e686b359493583: "os: remove 5ms sleep on Windows in (*Process).Wait"
+      # sepical fix:
+      # - os.RemoveAll not working on Windows7
+    - name: Revert Golang1.25 commit for Windows7/8
+      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '' }}
+      run: |
+        cd $(go env GOROOT)
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.25.patch
+
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.24.x
       # that means after golang1.25 release it must be changed
@@ -144,13 +199,10 @@ jobs:
       # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
       # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
     - name: Revert Golang1.24 commit for Windows7/8
-      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '' }}
+      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.24' }}
       run: |
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/7b1fd7d39c6be0185fbe1d929578ab372ac5c632.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/979d6d8bab3823ff572ace26767fd2ce3cf351ae.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/ac3e93c061779dfefc0dd13a5b6e6f764a25621e.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.24.patch
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.23.x
@@ -165,10 +217,7 @@ jobs:
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.23' }}
       run: |
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/21290de8a4c91408de7c2b5b68757b1e90af49dd.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.23.patch
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.22.x
@@ -183,17 +232,14 @@ jobs:
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.22' }}
       run: |
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/9779155f18b6556a034f7bb79fb7fb2aad1e26a9.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/ef0606261340e608017860b423ffae5c1ce78239.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/7f83badcb925a7e743188041cb6e561fc9b5b642.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/83ff9782e024cb328b690cbf0da4e7848a327f4f.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.22.patch
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
     - name: Revert Golang1.21 commit for Windows7/8
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.21' }}
       run: |
         cd $(go env GOROOT)
-        curl https://github.com/golang/go/commit/9e43850a3298a9b8b1162ba0033d4c53f8637571.diff | patch --verbose -R -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.21.patch
 
     - name: Set variables
       run: |
@@ -382,7 +428,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: Meta
           fetch-depth: '0'
@@ -441,7 +487,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/test.yml

@@ -22,8 +22,10 @@ jobs:
           - 'windows-latest' # amd64 windows
           - 'macos-latest' # arm64 macos
           - 'ubuntu-24.04-arm' # arm64 linux
-          - 'macos-13' # amd64 macos
+          - 'macos-15-intel' # amd64 macos
         go-version:
+          - '1.26.0-rc.3'
+          - '1.25'
           - '1.24'
           - '1.23'
           - '1.22'
@@ -40,73 +42,30 @@ jobs:
       # Fix mingw trying to be smart and converting paths https://github.com/moby/moby/issues/24029#issuecomment-250412919
       MSYS_NO_PATHCONV: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go-version }}
+          check-latest: true # Always check for the latest patch release
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-      # this patch file only works on golang1.24.x
-      # that means after golang1.25 release it must be changed
-      # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.24/
-      # revert:
-      # 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-      # 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-      # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-      # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-      - name: Revert Golang1.24 commit for Windows7/8
-        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.24' }}
+      - name: Revert Golang commit for Windows7/8
+        if: ${{ runner.os == 'Windows' && matrix.go-version != '1.20' && matrix.go-version != '1.26.0-rc.3' }}
         run: |
           cd $(go env GOROOT)
-          curl https://github.com/MetaCubeX/go/commit/2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/7b1fd7d39c6be0185fbe1d929578ab372ac5c632.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/979d6d8bab3823ff572ace26767fd2ce3cf351ae.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/ac3e93c061779dfefc0dd13a5b6e6f764a25621e.diff | patch --verbose -p 1
+          patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go${{matrix.go-version}}.patch
 
-        # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-        # this patch file only works on golang1.23.x
-        # that means after golang1.24 release it must be changed
-        # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
-        # revert:
-        # 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-        # 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-        # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-        # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-      - name: Revert Golang1.23 commit for Windows7/8
-        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.23' }}
+      - name: Revert Golang commit for Windows7/8
+        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.26.0-rc.3' }}
         run: |
           cd $(go env GOROOT)
-          curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/21290de8a4c91408de7c2b5b68757b1e90af49dd.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1
+          patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.26.patch
 
-        # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-        # this patch file only works on golang1.22.x
-        # that means after golang1.23 release it must be changed
-        # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.22/
-        # revert:
-        # 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-        # 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-        # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-        # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-      - name: Revert Golang1.22 commit for Windows7/8
-        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.22' }}
+      - name: Remove inbound test for macOS
+        if: ${{ runner.os == 'macOS' }}
         run: |
-          cd $(go env GOROOT)
-          curl https://github.com/MetaCubeX/go/commit/9779155f18b6556a034f7bb79fb7fb2aad1e26a9.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/ef0606261340e608017860b423ffae5c1ce78239.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/7f83badcb925a7e743188041cb6e561fc9b5b642.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/83ff9782e024cb328b690cbf0da4e7848a327f4f.diff | patch --verbose -p 1
-
-        # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-      - name: Revert Golang1.21 commit for Windows7/8
-        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.21' }}
-        run: |
-          cd $(go env GOROOT)
-          curl https://github.com/golang/go/commit/9e43850a3298a9b8b1162ba0033d4c53f8637571.diff | patch --verbose -R -p 1
+          rm -rf listener/inbound/*_test.go
 
       - name: Test
         run: go test ./... -v -count=1

Dockerfile

@@ -4,9 +4,9 @@ RUN echo "I'm building for $TARGETPLATFORM"
 
 RUN apk add --no-cache gzip && \
     mkdir /mihomo-config && \
-    wget -O /mihomo-config/geoip.metadb https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.metadb && \
-    wget -O /mihomo-config/geosite.dat https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat && \
-    wget -O /mihomo-config/geoip.dat https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.dat
+    wget -O /mihomo-config/geoip.metadb https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geoip.metadb && \
+    wget -O /mihomo-config/geosite.dat https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geosite.dat && \
+    wget -O /mihomo-config/geoip.dat https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geoip.dat
 
 COPY docker/file-name.sh /mihomo/file-name.sh
 WORKDIR /mihomo

Makefile

@@ -17,11 +17,19 @@ GOBUILD=CGO_ENABLED=0 go build -tags with_gvisor -trimpath -ldflags '-X "github.
 		-w -s -buildid='
 
 PLATFORM_LIST = \
+	darwin-386 \
 	darwin-amd64-compatible \
 	darwin-amd64 \
+	darwin-amd64-v1 \
+	darwin-amd64-v2 \
+	darwin-amd64-v3 \
 	darwin-arm64 \
+	linux-386 \
 	linux-amd64-compatible \
 	linux-amd64 \
+	linux-amd64-v1 \
+	linux-amd64-v2 \
+	linux-amd64-v3 \
 	linux-armv5 \
 	linux-armv6 \
 	linux-armv7 \
@@ -43,37 +51,61 @@ WINDOWS_ARCH_LIST = \
 	windows-386 \
 	windows-amd64-compatible \
 	windows-amd64 \
+	windows-amd64-v1 \
+	windows-amd64-v2 \
+	windows-amd64-v3 \
 	windows-arm64 \
     windows-arm32v7
 
-all:linux-amd64 linux-arm64\
-	darwin-amd64 darwin-arm64\
- 	windows-amd64 windows-arm64\
+all:linux-amd64-v3 linux-arm64\
+	darwin-amd64-v3 darwin-arm64\
+ 	windows-amd64-v3 windows-arm64\
 
 
-darwin-all: darwin-amd64 darwin-arm64
+darwin-all: darwin-amd64-v3 darwin-arm64
 
 docker:
 	GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64:
-	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+darwin-386:
+	GOARCH=386 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 darwin-amd64-compatible:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+darwin-amd64:
+	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
+darwin-amd64-v1:
+	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
+darwin-amd64-v2:
+	GOARCH=amd64 GOOS=darwin GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
+darwin-amd64-v3:
+	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-386:
 	GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+linux-amd64-compatible:
+	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 linux-amd64:
 	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64-compatible:
+linux-amd64-v1:
 	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+linux-amd64-v2:
+	GOARCH=amd64 GOOS=linux GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
+linux-amd64-v3:
+	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 linux-arm64:
 	GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -125,12 +157,21 @@ freebsd-arm64:
 windows-386:
 	GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
+windows-amd64-compatible:
+	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
+
 windows-amd64:
 	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64-compatible:
+windows-amd64-v1:
 	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
+windows-amd64-v2:
+	GOARCH=amd64 GOOS=windows GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
+
+windows-amd64-v3:
+	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
+
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 

adapter/adapter.go

@@ -2,11 +2,9 @@ package adapter
 
 import (
 	"context"
-	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"net"
-	"net/http"
 	"net/url"
 	"strings"
 	"time"
@@ -14,10 +12,12 @@ import (
 	"github.com/metacubex/mihomo/common/atomic"
 	"github.com/metacubex/mihomo/common/queue"
 	"github.com/metacubex/mihomo/common/utils"
+	"github.com/metacubex/mihomo/common/xsync"
 	"github.com/metacubex/mihomo/component/ca"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
-	"github.com/puzpuzpuz/xsync/v3"
+
+	"github.com/metacubex/http"
 )
 
 var UnifiedDelay = atomic.NewBool(false)
@@ -35,7 +35,7 @@ type Proxy struct {
 	C.ProxyAdapter
 	alive   atomic.Bool
 	history *queue.Queue[C.DelayHistory]
-	extra   *xsync.MapOf[string, *internalProxyState]
+	extra   xsync.Map[string, *internalProxyState]
 }
 
 // Adapter implements C.Proxy
@@ -52,26 +52,12 @@ func (p *Proxy) AliveForTestUrl(url string) bool {
 	return p.alive.Load()
 }
 
-// Dial implements C.Proxy
-func (p *Proxy) Dial(metadata *C.Metadata) (C.Conn, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTCPTimeout)
-	defer cancel()
-	return p.DialContext(ctx, metadata)
-}
-
 // DialContext implements C.ProxyAdapter
 func (p *Proxy) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
 	conn, err := p.ProxyAdapter.DialContext(ctx, metadata)
 	return conn, err
 }
 
-// DialUDP implements C.ProxyAdapter
-func (p *Proxy) DialUDP(metadata *C.Metadata) (C.PacketConn, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), C.DefaultUDPTimeout)
-	defer cancel()
-	return p.ListenPacketContext(ctx, metadata)
-}
-
 // ListenPacketContext implements C.ProxyAdapter
 func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
 	pc, err := p.ProxyAdapter.ListenPacketContext(ctx, metadata)
@@ -168,8 +154,9 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	mapping["mptcp"] = proxyInfo.MPTCP
 	mapping["smux"] = proxyInfo.SMUX
 	mapping["interface"] = proxyInfo.Interface
-	mapping["dialer-proxy"] = proxyInfo.DialerProxy
 	mapping["routing-mark"] = proxyInfo.RoutingMark
+	mapping["provider-name"] = proxyInfo.ProviderName
+	mapping["dialer-proxy"] = proxyInfo.DialerProxy
 
 	return json.Marshal(mapping)
 }
@@ -192,14 +179,12 @@ func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.In
 			p.history.Pop()
 		}
 
-		state, ok := p.extra.Load(url)
-		if !ok {
-			state = &internalProxyState{
+		state, _ := p.extra.LoadOrStoreFn(url, func() *internalProxyState {
+			return &internalProxyState{
 				history: queue.New[C.DelayHistory](defaultHistoriesNum),
 				alive:   atomic.NewBool(true),
 			}
-			p.extra.Store(url, state)
-		}
+		})
 
 		if !satisfied {
 			record.Delay = 0
@@ -236,6 +221,11 @@ func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.In
 	}
 	req = req.WithContext(ctx)
 
+	tlsConfig, err := ca.GetTLSConfig(ca.Option{})
+	if err != nil {
+		return
+	}
+
 	transport := &http.Transport{
 		DialContext: func(context.Context, string, string) (net.Conn, error) {
 			return instance, nil
@@ -245,7 +235,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.In
 		IdleConnTimeout:       90 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
-		TLSClientConfig:       ca.GetGlobalTLSConfig(&tls.Config{}),
+		TLSClientConfig:       tlsConfig,
 	}
 
 	client := http.Client{
@@ -293,7 +283,7 @@ func NewProxy(adapter C.ProxyAdapter) *Proxy {
 		ProxyAdapter: adapter,
 		history:      queue.New[C.DelayHistory](defaultHistoriesNum),
 		alive:        atomic.NewBool(true),
-		extra:        xsync.NewMapOf[string, *internalProxyState]()}
+	}
 }
 
 func urlToMetadata(rawURL string) (addr C.Metadata, err error) {

adapter/inbound/https.go

@@ -2,9 +2,10 @@ package inbound
 
 import (
 	"net"
-	"net/http"
 
 	C "github.com/metacubex/mihomo/constant"
+
+	"github.com/metacubex/http"
 )
 
 // NewHTTPS receive CONNECT request and return ConnContext

adapter/inbound/listen.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 
 	"github.com/metacubex/mihomo/component/keepalive"
+	"github.com/metacubex/mihomo/component/mptcp"
 
 	"github.com/metacubex/tfo-go"
 )
@@ -34,13 +35,13 @@ func Tfo() bool {
 func SetMPTCP(open bool) {
 	mutex.Lock()
 	defer mutex.Unlock()
-	setMultiPathTCP(&lc.ListenConfig, open)
+	mptcp.SetNetListenConfig(&lc.ListenConfig, open)
 }
 
 func MPTCP() bool {
 	mutex.RLock()
 	defer mutex.RUnlock()
-	return getMultiPathTCP(&lc.ListenConfig)
+	return mptcp.GetNetListenConfig(&lc.ListenConfig)
 }
 
 func preResolve(network, address string) (string, error) {

adapter/inbound/mptcp_go120.go

@@ -1,14 +0,0 @@
-//go:build !go1.21
-
-package inbound
-
-import "net"
-
-const multipathTCPAvailable = false
-
-func setMultiPathTCP(listenConfig *net.ListenConfig, open bool) {
-}
-
-func getMultiPathTCP(listenConfig *net.ListenConfig) bool {
-	return false
-}

adapter/inbound/mptcp_go121.go

@@ -1,15 +0,0 @@
-//go:build go1.21
-
-package inbound
-
-import "net"
-
-const multipathTCPAvailable = true
-
-func setMultiPathTCP(listenConfig *net.ListenConfig, open bool) {
-	listenConfig.SetMultipathTCP(open)
-}
-
-func getMultiPathTCP(listenConfig *net.ListenConfig) bool {
-	return listenConfig.MultipathTCP()
-}

adapter/inbound/util.go

@@ -2,12 +2,13 @@ package inbound
 
 import (
 	"net"
-	"net/http"
 	"net/netip"
 	"strings"
 
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/socks5"
+
+	"github.com/metacubex/http"
 )
 
 func parseSocksAddr(target socks5.Addr) *C.Metadata {

adapter/outbound/anytls.go

@@ -6,8 +6,7 @@ import (
 	"strconv"
 	"time"
 
-	CN "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
+	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/anytls"
@@ -20,7 +19,6 @@ import (
 type AnyTLS struct {
 	*Base
 	client *anytls.Client
-	dialer proxydialer.SingDialer
 	option *AnyTLSOption
 }
 
@@ -36,6 +34,8 @@ type AnyTLSOption struct {
 	ClientFingerprint        string     `proxy:"client-fingerprint,omitempty"`
 	SkipCertVerify           bool       `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint              string     `proxy:"fingerprint,omitempty"`
+	Certificate              string     `proxy:"certificate,omitempty"`
+	PrivateKey               string     `proxy:"private-key,omitempty"`
 	UDP                      bool       `proxy:"udp,omitempty"`
 	IdleSessionCheckInterval int        `proxy:"idle-session-check-interval,omitempty"`
 	IdleSessionTimeout       int        `proxy:"idle-session-timeout,omitempty"`
@@ -63,7 +63,7 @@ func (t *AnyTLS) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 
 	// create uot on tcp
 	destination := M.SocksaddrFromNet(metadata.UDPAddr())
-	return newPacketConn(CN.NewThreadSafePacketConn(uot.NewLazyConn(c, uot.Request{Destination: destination})), t), nil
+	return newPacketConn(N.NewThreadSafePacketConn(uot.NewLazyConn(c, uot.Request{Destination: destination})), t), nil
 }
 
 // SupportUOT implements C.ProxyAdapter
@@ -90,18 +90,18 @@ func NewAnyTLS(option AnyTLSOption) (*AnyTLS, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.AnyTLS,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option: &option,
 	}
-
-	singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer(outbound.DialOptions()...))
-	outbound.dialer = singDialer
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	singDialer := proxydialer.NewSingDialer(outbound.dialer)
 
 	tOption := anytls.ClientConfig{
 		Password:                 option.Password,
@@ -120,6 +120,8 @@ func NewAnyTLS(option AnyTLSOption) (*AnyTLS, error) {
 		SkipCertVerify:    option.SkipCertVerify,
 		NextProtos:        option.ALPN,
 		FingerPrint:       option.Fingerprint,
+		Certificate:       option.Certificate,
+		PrivateKey:        option.PrivateKey,
 		ClientFingerprint: option.ClientFingerprint,
 		ECH:               echConfig,
 	}

adapter/outbound/base.go

@@ -12,6 +12,7 @@ import (
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/dialer"
+	"github.com/metacubex/mihomo/component/proxydialer"
 	"github.com/metacubex/mihomo/component/resolver"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
@@ -26,15 +27,17 @@ type ProxyAdapter interface {
 type Base struct {
 	name   string
 	addr   string
-	iface  string
 	tp     C.AdapterType
+	pdName string
 	udp    bool
 	xudp   bool
 	tfo    bool
 	mpTcp  bool
+	iface  string
 	rmark  int
-	id     string
 	prefer C.DNSPrefer
+	dialer C.Dialer
+	id     string
 }
 
 // Name implements C.ProxyAdapter
@@ -56,35 +59,15 @@ func (b *Base) Type() C.AdapterType {
 	return b.tp
 }
 
-// StreamConnContext implements C.ProxyAdapter
-func (b *Base) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Metadata) (net.Conn, error) {
-	return c, C.ErrNotSupport
-}
-
 func (b *Base) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
 	return nil, C.ErrNotSupport
 }
 
-// DialContextWithDialer implements C.ProxyAdapter
-func (b *Base) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	return nil, C.ErrNotSupport
-}
-
 // ListenPacketContext implements C.ProxyAdapter
 func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
 	return nil, C.ErrNotSupport
 }
 
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (b *Base) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	return nil, C.ErrNotSupport
-}
-
-// SupportWithDialer implements C.ProxyAdapter
-func (b *Base) SupportWithDialer() C.NetWork {
-	return C.InvalidNet
-}
-
 // SupportUOT implements C.ProxyAdapter
 func (b *Base) SupportUOT() bool {
 	return false
@@ -103,6 +86,7 @@ func (b *Base) ProxyInfo() (info C.ProxyInfo) {
 	info.SMUX = false
 	info.Interface = b.iface
 	info.RoutingMark = b.rmark
+	info.ProviderName = b.pdName
 	return
 }
 
@@ -178,12 +162,30 @@ func (b *Base) Close() error {
 }
 
 type BasicOption struct {
-	TFO         bool   `proxy:"tfo,omitempty"`
-	MPTCP       bool   `proxy:"mptcp,omitempty"`
-	Interface   string `proxy:"interface-name,omitempty"`
-	RoutingMark int    `proxy:"routing-mark,omitempty"`
-	IPVersion   string `proxy:"ip-version,omitempty"`
-	DialerProxy string `proxy:"dialer-proxy,omitempty"` // don't apply this option into groups, but can set a group name in a proxy
+	TFO         bool        `proxy:"tfo,omitempty"`
+	MPTCP       bool        `proxy:"mptcp,omitempty"`
+	Interface   string      `proxy:"interface-name,omitempty"`
+	RoutingMark int         `proxy:"routing-mark,omitempty"`
+	IPVersion   C.DNSPrefer `proxy:"ip-version,omitempty"`
+	DialerProxy string      `proxy:"dialer-proxy,omitempty"` // don't apply this option into groups, but can set a group name in a proxy
+
+	//
+	// The following parameters are used internally, assign value by the structure decoder are disallowed
+	//
+	DialerForAPI C.Dialer `proxy:"-"` // the dialer used for API usage has higher priority than all the above configurations.
+	ProviderName string   `proxy:"-"`
+}
+
+func (b *BasicOption) NewDialer(opts []dialer.Option) C.Dialer {
+	cDialer := b.DialerForAPI
+	if cDialer == nil {
+		if b.DialerProxy != "" {
+			cDialer = proxydialer.NewByName(b.DialerProxy)
+		} else {
+			cDialer = dialer.NewDialer(opts...)
+		}
+	}
+	return cDialer
 }
 
 type BaseOption struct {
@@ -217,6 +219,7 @@ func NewBase(opt BaseOption) *Base {
 type conn struct {
 	N.ExtendedConn
 	chain       C.Chain
+	pdChain     C.Chain
 	adapterAddr string
 }
 
@@ -238,9 +241,15 @@ func (c *conn) Chains() C.Chain {
 	return c.chain
 }
 
+// ProviderChains implements C.Connection
+func (c *conn) ProviderChains() C.Chain {
+	return c.pdChain
+}
+
 // AppendToChains implements C.Connection
 func (c *conn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
+	c.pdChain = append(c.pdChain, a.ProxyInfo().ProviderName)
 }
 
 func (c *conn) Upstream() any {
@@ -263,12 +272,15 @@ func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
 	if _, ok := c.(syscall.Conn); !ok { // exclusion system conn like *net.TCPConn
 		c = N.NewDeadlineConn(c) // most conn from outbound can't handle readDeadline correctly
 	}
-	return &conn{N.NewExtendedConn(c), []string{a.Name()}, a.Addr()}
+	cc := &conn{N.NewExtendedConn(c), nil, nil, a.Addr()}
+	cc.AppendToChains(a)
+	return cc
 }
 
 type packetConn struct {
 	N.EnhancePacketConn
 	chain       C.Chain
+	pdChain     C.Chain
 	adapterName string
 	connID      string
 	adapterAddr string
@@ -289,9 +301,15 @@ func (c *packetConn) Chains() C.Chain {
 	return c.chain
 }
 
+// ProviderChains implements C.Connection
+func (c *packetConn) ProviderChains() C.Chain {
+	return c.pdChain
+}
+
 // AppendToChains implements C.Connection
 func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
+	c.pdChain = append(c.pdChain, a.ProxyInfo().ProviderName)
 }
 
 func (c *packetConn) LocalAddr() net.Addr {
@@ -320,7 +338,9 @@ func newPacketConn(pc net.PacketConn, a ProxyAdapter) C.PacketConn {
 	if _, ok := pc.(syscall.Conn); !ok { // exclusion system conn like *net.UDPConn
 		epc = N.NewDeadlineEnhancePacketConn(epc) // most conn from outbound can't handle readDeadline correctly
 	}
-	return &packetConn{epc, []string{a.Name()}, a.Name(), utils.NewUUIDV4().String(), a.Addr(), a.ResolveUDP}
+	cpc := &packetConn{epc, nil, nil, a.Name(), utils.NewUUIDV4().String(), a.Addr(), a.ResolveUDP}
+	cpc.AppendToChains(a)
+	return cpc
 }
 
 type AddRef interface {
@@ -344,17 +364,6 @@ func (p *autoCloseProxyAdapter) DialContext(ctx context.Context, metadata *C.Met
 	return c, nil
 }
 
-func (p *autoCloseProxyAdapter) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	c, err := p.ProxyAdapter.DialContextWithDialer(ctx, dialer, metadata)
-	if err != nil {
-		return nil, err
-	}
-	if c, ok := c.(AddRef); ok {
-		c.AddRef(p)
-	}
-	return c, nil
-}
-
 func (p *autoCloseProxyAdapter) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	pc, err := p.ProxyAdapter.ListenPacketContext(ctx, metadata)
 	if err != nil {
@@ -366,17 +375,6 @@ func (p *autoCloseProxyAdapter) ListenPacketContext(ctx context.Context, metadat
 	return pc, nil
 }
 
-func (p *autoCloseProxyAdapter) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	pc, err := p.ProxyAdapter.ListenPacketWithDialer(ctx, dialer, metadata)
-	if err != nil {
-		return nil, err
-	}
-	if pc, ok := pc.(AddRef); ok {
-		pc.AddRef(p)
-	}
-	return pc, nil
-}
-
 func (p *autoCloseProxyAdapter) Close() error {
 	p.closeOnce.Do(func() {
 		log.Debugln("Closing outdated proxy [%s]", p.Name())

adapter/outbound/direct.go

@@ -69,12 +69,13 @@ func NewDirectWithOption(option DirectOption) *Direct {
 		Base: &Base{
 			name:   option.Name,
 			tp:     C.Direct,
+			pdName: option.ProviderName,
 			udp:    true,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		loopBack: loopback.NewDetector(),
 	}

adapter/outbound/dns.go

@@ -158,12 +158,13 @@ func NewDnsWithOption(option DnsOption) *Dns {
 		Base: &Base{
 			name:   option.Name,
 			tp:     C.Dns,
+			pdName: option.ProviderName,
 			udp:    true,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 	}
 }

adapter/outbound/ech.go

@@ -12,6 +12,8 @@ import (
 type ECHOptions struct {
 	Enable bool   `proxy:"enable,omitempty" obfs:"enable,omitempty"`
 	Config string `proxy:"config,omitempty" obfs:"config,omitempty"`
+
+	QueryServerName string `proxy:"query-server-name,omitempty" obfs:"query-server-name,omitempty"`
 }
 
 func (o ECHOptions) Parse() (*ech.Config, error) {
@@ -29,6 +31,9 @@ func (o ECHOptions) Parse() (*ech.Config, error) {
 		}
 	} else {
 		echConfig.GetEncryptedClientHelloConfigList = func(ctx context.Context, serverName string) ([]byte, error) {
+			if o.QueryServerName != "" { // overrides the domain name used for ECH HTTPS record queries
+				serverName = o.QueryServerName
+			}
 			return resolver.ResolveECHWithResolver(ctx, serverName, resolver.ProxyServerHostResolver)
 		}
 	}

adapter/outbound/http.go

@@ -3,19 +3,18 @@ package outbound
 import (
 	"bufio"
 	"context"
-	"crypto/tls"
 	"encoding/base64"
 	"errors"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
+
+	"github.com/metacubex/http"
+	"github.com/metacubex/tls"
 )
 
 type Http struct {
@@ -37,6 +36,8 @@ type HttpOption struct {
 	SNI            string            `proxy:"sni,omitempty"`
 	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint    string            `proxy:"fingerprint,omitempty"`
+	Certificate    string            `proxy:"certificate,omitempty"`
+	PrivateKey     string            `proxy:"private-key,omitempty"`
 	Headers        map[string]string `proxy:"headers,omitempty"`
 }
 
@@ -59,18 +60,7 @@ func (h *Http) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Me
 
 // DialContext implements C.ProxyAdapter
 func (h *Http) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
-	return h.DialContextWithDialer(ctx, dialer.NewDialer(h.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (h *Http) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(h.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(h.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", h.addr)
+	c, err := h.dialer.DialContext(ctx, "tcp", h.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
 	}
@@ -87,11 +77,6 @@ func (h *Http) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metad
 	return NewConn(c, h), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (h *Http) SupportWithDialer() C.NetWork {
-	return C.TCP
-}
-
 // ProxyInfo implements C.ProxyAdapter
 func (h *Http) ProxyInfo() C.ProxyInfo {
 	info := h.Base.ProxyInfo()
@@ -167,29 +152,37 @@ func NewHttp(option HttpOption) (*Http, error) {
 			sni = option.SNI
 		}
 		var err error
-		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(&tls.Config{
-			InsecureSkipVerify: option.SkipCertVerify,
-			ServerName:         sni,
-		}, option.Fingerprint)
+		tlsConfig, err = ca.GetTLSConfig(ca.Option{
+			TLSConfig: &tls.Config{
+				InsecureSkipVerify: option.SkipCertVerify,
+				ServerName:         sni,
+			},
+			Fingerprint: option.Fingerprint,
+			Certificate: option.Certificate,
+			PrivateKey:  option.PrivateKey,
+		})
 		if err != nil {
 			return nil, err
 		}
 	}
 
-	return &Http{
+	outbound := &Http{
 		Base: &Base{
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Http,
+			pdName: option.ProviderName,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		user:      option.UserName,
 		pass:      option.Password,
 		tlsConfig: tlsConfig,
 		option:    &option,
-	}, nil
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
 }

adapter/outbound/hysteria.go

@@ -2,7 +2,6 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"encoding/base64"
 	"fmt"
 	"net"
@@ -13,8 +12,6 @@ import (
 	"github.com/metacubex/mihomo/component/ca"
 	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
-	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
 	hyCongestion "github.com/metacubex/mihomo/transport/hysteria/congestion"
@@ -24,6 +21,8 @@ import (
 	"github.com/metacubex/mihomo/transport/hysteria/transport"
 	"github.com/metacubex/mihomo/transport/hysteria/utils"
 
+	"github.com/metacubex/tls"
+
 	"github.com/metacubex/quic-go"
 	"github.com/metacubex/quic-go/congestion"
 	M "github.com/metacubex/sing/common/metadata"
@@ -46,7 +45,7 @@ type Hysteria struct {
 	option *HysteriaOption
 	client *core.Client
 
-	tlsConfig *tlsC.Config
+	tlsConfig *tls.Config
 	echConfig *ech.Config
 }
 
@@ -74,16 +73,8 @@ func (h *Hysteria) genHdc(ctx context.Context) utils.PacketDialer {
 	return &hyDialerWithContext{
 		ctx: context.Background(),
 		hyDialer: func(network string, rAddr net.Addr) (net.PacketConn, error) {
-			var err error
-			var cDialer C.Dialer = dialer.NewDialer(h.DialOptions()...)
-			if len(h.option.DialerProxy) > 0 {
-				cDialer, err = proxydialer.NewByName(h.option.DialerProxy, cDialer)
-				if err != nil {
-					return nil, err
-				}
-			}
 			rAddrPort, _ := netip.ParseAddrPort(rAddr.String())
-			return cDialer.ListenPacket(ctx, network, "", rAddrPort)
+			return h.dialer.ListenPacket(ctx, network, "", rAddrPort)
 		},
 		remoteAddr: func(addr string) (net.Addr, error) {
 			udpAddr, err := resolveUDPAddr(ctx, "udp", addr, h.prefer)
@@ -125,9 +116,9 @@ type HysteriaOption struct {
 	ECHOpts             ECHOptions `proxy:"ech-opts,omitempty"`
 	SkipCertVerify      bool       `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint         string     `proxy:"fingerprint,omitempty"`
+	Certificate         string     `proxy:"certificate,omitempty"`
+	PrivateKey          string     `proxy:"private-key,omitempty"`
 	ALPN                []string   `proxy:"alpn,omitempty"`
-	CustomCA            string     `proxy:"ca,omitempty"`
-	CustomCAString      string     `proxy:"ca-str,omitempty"`
 	ReceiveWindowConn   int        `proxy:"recv-window-conn,omitempty"`
 	ReceiveWindow       int        `proxy:"recv-window,omitempty"`
 	DisableMTUDiscovery bool       `proxy:"disable-mtu-discovery,omitempty"`
@@ -160,19 +151,21 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 		serverName = option.SNI
 	}
 
-	tlsConfig := &tls.Config{
-		ServerName:         serverName,
-		InsecureSkipVerify: option.SkipCertVerify,
-		MinVersion:         tls.VersionTLS13,
-	}
-
-	var err error
-	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	tlsConfig, err := ca.GetTLSConfig(ca.Option{
+		TLSConfig: &tls.Config{
+			ServerName:         serverName,
+			InsecureSkipVerify: option.SkipCertVerify,
+			MinVersion:         tls.VersionTLS13,
+		},
+		Fingerprint: option.Fingerprint,
+		Certificate: option.Certificate,
+		PrivateKey:  option.PrivateKey,
+	})
 	if err != nil {
 		return nil, err
 	}
 
-	if len(option.ALPN) > 0 {
+	if option.ALPN != nil { // structure's Decode will ensure value not nil when input has value even it was set an empty array
 		tlsConfig.NextProtos = option.ALPN
 	} else {
 		tlsConfig.NextProtos = []string{DefaultALPN}
@@ -182,7 +175,7 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 	if err != nil {
 		return nil, err
 	}
-	tlsClientConfig := tlsC.UConfig(tlsConfig)
+	tlsClientConfig := tlsConfig
 
 	quicConfig := &quic.Config{
 		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
@@ -250,17 +243,19 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Hysteria,
+			pdName: option.ProviderName,
 			udp:    true,
 			tfo:    option.FastOpen,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:    &option,
 		client:    client,
 		tlsConfig: tlsClientConfig,
 		echConfig: echConfig,
 	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
 
 	return outbound, nil
 }

adapter/outbound/hysteria2.go

@@ -2,19 +2,16 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
 	"strconv"
 	"time"
 
-	CN "github.com/metacubex/mihomo/common/net"
+	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/proxydialer"
-	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
 	tuicCommon "github.com/metacubex/mihomo/transport/tuic/common"
@@ -22,6 +19,7 @@ import (
 	"github.com/metacubex/quic-go"
 	"github.com/metacubex/sing-quic/hysteria2"
 	M "github.com/metacubex/sing/common/metadata"
+	"github.com/metacubex/tls"
 )
 
 func init() {
@@ -36,7 +34,6 @@ type Hysteria2 struct {
 
 	option *Hysteria2Option
 	client *hysteria2.Client
-	dialer proxydialer.SingDialer
 }
 
 type Hysteria2Option struct {
@@ -55,9 +52,9 @@ type Hysteria2Option struct {
 	ECHOpts        ECHOptions `proxy:"ech-opts,omitempty"`
 	SkipCertVerify bool       `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint    string     `proxy:"fingerprint,omitempty"`
+	Certificate    string     `proxy:"certificate,omitempty"`
+	PrivateKey     string     `proxy:"private-key,omitempty"`
 	ALPN           []string   `proxy:"alpn,omitempty"`
-	CustomCA       string     `proxy:"ca,omitempty"`
-	CustomCAString string     `proxy:"ca-str,omitempty"`
 	CWND           int        `proxy:"cwnd,omitempty"`
 	UdpMTU         int        `proxy:"udp-mtu,omitempty"`
 
@@ -87,7 +84,7 @@ func (h *Hysteria2) ListenPacketContext(ctx context.Context, metadata *C.Metadat
 	if pc == nil {
 		return nil, errors.New("packetConn is nil")
 	}
-	return newPacketConn(CN.NewThreadSafePacketConn(pc), h), nil
+	return newPacketConn(N.NewThreadSafePacketConn(pc), h), nil
 }
 
 // Close implements C.ProxyAdapter
@@ -112,16 +109,16 @@ func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Hysteria2,
+			pdName: option.ProviderName,
 			udp:    true,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option: &option,
 	}
-
-	singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer(outbound.DialOptions()...))
-	outbound.dialer = singDialer
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	singDialer := proxydialer.NewSingDialer(outbound.dialer)
 
 	var salamanderPassword string
 	if len(option.Obfs) > 0 {
@@ -141,23 +138,25 @@ func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
 		serverName = option.SNI
 	}
 
-	tlsConfig := &tls.Config{
-		ServerName:         serverName,
-		InsecureSkipVerify: option.SkipCertVerify,
-		MinVersion:         tls.VersionTLS13,
-	}
-
-	var err error
-	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	tlsConfig, err := ca.GetTLSConfig(ca.Option{
+		TLSConfig: &tls.Config{
+			ServerName:         serverName,
+			InsecureSkipVerify: option.SkipCertVerify,
+			MinVersion:         tls.VersionTLS13,
+		},
+		Fingerprint: option.Fingerprint,
+		Certificate: option.Certificate,
+		PrivateKey:  option.PrivateKey,
+	})
 	if err != nil {
 		return nil, err
 	}
 
-	if len(option.ALPN) > 0 {
+	if option.ALPN != nil { // structure's Decode will ensure value not nil when input has value even it was set an empty array
 		tlsConfig.NextProtos = option.ALPN
 	}
 
-	tlsClientConfig := tlsC.UConfig(tlsConfig)
+	tlsClientConfig := tlsConfig
 	echConfig, err := option.ECHOpts.Parse()
 	if err != nil {
 		return nil, err
@@ -190,7 +189,7 @@ func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
 		CWND:               option.CWND,
 		UdpMTU:             option.UdpMTU,
 		ServerAddress: func(ctx context.Context) (*net.UDPAddr, error) {
-			udpAddr, err := resolveUDPAddr(ctx, "udp", addr, C.NewDNSPrefer(option.IPVersion))
+			udpAddr, err := resolveUDPAddr(ctx, "udp", addr, option.IPVersion)
 			if err != nil {
 				return nil, err
 			}

adapter/outbound/masque.go

@@ -0,0 +1,397 @@
+package outbound
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"crypto/x509"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"net"
+	"net/netip"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/metacubex/mihomo/common/atomic"
+	"github.com/metacubex/mihomo/common/contextutils"
+	"github.com/metacubex/mihomo/common/pool"
+	"github.com/metacubex/mihomo/component/dialer"
+	"github.com/metacubex/mihomo/component/resolver"
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/dns"
+	"github.com/metacubex/mihomo/log"
+	"github.com/metacubex/mihomo/transport/masque"
+	"github.com/metacubex/mihomo/transport/tuic/common"
+
+	connectip "github.com/metacubex/connect-ip-go"
+	"github.com/metacubex/quic-go"
+	wireguard "github.com/metacubex/sing-wireguard"
+	M "github.com/metacubex/sing/common/metadata"
+	"github.com/metacubex/tls"
+)
+
+type Masque struct {
+	*Base
+	tlsConfig  *tls.Config
+	quicConfig *quic.Config
+	tunDevice  wireguard.Device
+	resolver   resolver.Resolver
+	uri        string
+
+	runCtx    context.Context
+	runCancel context.CancelFunc
+	runMutex  sync.Mutex
+	running   atomic.Bool
+	runDevice atomic.Bool
+
+	option MasqueOption
+}
+
+type MasqueOption struct {
+	BasicOption
+	Name       string `proxy:"name"`
+	Server     string `proxy:"server"`
+	Port       int    `proxy:"port"`
+	PrivateKey string `proxy:"private-key"`
+	PublicKey  string `proxy:"public-key"`
+	Ip         string `proxy:"ip,omitempty"`
+	Ipv6       string `proxy:"ipv6,omitempty"`
+	URI        string `proxy:"uri,omitempty"`
+	SNI        string `proxy:"sni,omitempty"`
+	MTU        int    `proxy:"mtu,omitempty"`
+	UDP        bool   `proxy:"udp,omitempty"`
+
+	CongestionController string `proxy:"congestion-controller,omitempty"`
+	CWND                 int    `proxy:"cwnd,omitempty"`
+
+	RemoteDnsResolve bool     `proxy:"remote-dns-resolve,omitempty"`
+	Dns              []string `proxy:"dns,omitempty"`
+}
+
+func (option MasqueOption) Prefixes() ([]netip.Prefix, error) {
+	localPrefixes := make([]netip.Prefix, 0, 2)
+	if len(option.Ip) > 0 {
+		if !strings.Contains(option.Ip, "/") {
+			option.Ip = option.Ip + "/32"
+		}
+		if prefix, err := netip.ParsePrefix(option.Ip); err == nil {
+			localPrefixes = append(localPrefixes, prefix)
+		} else {
+			return nil, fmt.Errorf("ip address parse error: %w", err)
+		}
+	}
+	if len(option.Ipv6) > 0 {
+		if !strings.Contains(option.Ipv6, "/") {
+			option.Ipv6 = option.Ipv6 + "/128"
+		}
+		if prefix, err := netip.ParsePrefix(option.Ipv6); err == nil {
+			localPrefixes = append(localPrefixes, prefix)
+		} else {
+			return nil, fmt.Errorf("ipv6 address parse error: %w", err)
+		}
+	}
+	if len(localPrefixes) == 0 {
+		return nil, errors.New("missing local address")
+	}
+	return localPrefixes, nil
+}
+
+func NewMasque(option MasqueOption) (*Masque, error) {
+	outbound := &Masque{
+		Base: &Base{
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.Masque,
+			pdName: option.ProviderName,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: option.IPVersion,
+		},
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+
+	ctx, cancel := context.WithCancel(context.Background())
+	outbound.runCtx = ctx
+	outbound.runCancel = cancel
+
+	privKeyB64, err := base64.StdEncoding.DecodeString(option.PrivateKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode private key: %v", err)
+	}
+	privKey, err := x509.ParseECPrivateKey(privKeyB64)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse private key: %v", err)
+	}
+
+	endpointPubKeyB64, err := base64.StdEncoding.DecodeString(option.PublicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode public key: %v", err)
+	}
+	pubKey, err := x509.ParsePKIXPublicKey(endpointPubKeyB64)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse public key: %v", err)
+	}
+	ecPubKey, ok := pubKey.(*ecdsa.PublicKey)
+	if !ok {
+		return nil, fmt.Errorf("failed to assert public key as ECDSA")
+	}
+
+	uri := option.URI
+	if uri == "" {
+		uri = masque.ConnectURI
+	}
+	outbound.uri = uri
+
+	sni := option.SNI
+	if sni == "" {
+		sni = masque.ConnectSNI
+	}
+
+	tlsConfig, err := masque.PrepareTlsConfig(privKey, ecPubKey, sni)
+	if err != nil {
+		return nil, fmt.Errorf("failed to prepare TLS config: %v\n", err)
+	}
+	outbound.tlsConfig = tlsConfig
+
+	outbound.quicConfig = &quic.Config{
+		EnableDatagrams:   true,
+		InitialPacketSize: 1242,
+		KeepAlivePeriod:   30 * time.Second,
+	}
+
+	prefixes, err := option.Prefixes()
+	if err != nil {
+		return nil, err
+	}
+
+	outbound.option = option
+
+	mtu := option.MTU
+	if mtu == 0 {
+		mtu = 1280
+	}
+	if len(prefixes) == 0 {
+		return nil, errors.New("missing local address")
+	}
+	outbound.tunDevice, err = wireguard.NewStackDevice(prefixes, uint32(mtu))
+	if err != nil {
+		return nil, fmt.Errorf("create device: %w", err)
+	}
+
+	var has6 bool
+	for _, address := range prefixes {
+		if !address.Addr().Unmap().Is4() {
+			has6 = true
+			break
+		}
+	}
+
+	if option.RemoteDnsResolve && len(option.Dns) > 0 {
+		nss, err := dns.ParseNameServer(option.Dns)
+		if err != nil {
+			return nil, err
+		}
+		for i := range nss {
+			nss[i].ProxyAdapter = outbound
+		}
+		outbound.resolver = dns.NewResolver(dns.Config{
+			Main: nss,
+			IPv6: has6,
+		})
+	}
+
+	return outbound, nil
+}
+
+func (w *Masque) run(ctx context.Context) error {
+	if w.running.Load() {
+		return nil
+	}
+	w.runMutex.Lock()
+	defer w.runMutex.Unlock()
+	// double-check like sync.Once
+	if w.running.Load() {
+		return nil
+	}
+
+	if w.runCtx.Err() != nil {
+		return w.runCtx.Err()
+	}
+
+	if !w.runDevice.Load() {
+		err := w.tunDevice.Start()
+		if err != nil {
+			return err
+		}
+		w.runDevice.Store(true)
+	}
+
+	udpAddr, err := resolveUDPAddr(ctx, "udp", w.addr, w.prefer)
+	if err != nil {
+		return err
+	}
+
+	pc, err := w.dialer.ListenPacket(ctx, "udp", "", udpAddr.AddrPort())
+	if err != nil {
+		return err
+	}
+
+	quicConn, err := quic.Dial(ctx, pc, udpAddr, w.tlsConfig, w.quicConfig)
+	if err != nil {
+		return err
+	}
+
+	common.SetCongestionController(quicConn, w.option.CongestionController, w.option.CWND)
+
+	tr, ipConn, err := masque.ConnectTunnel(ctx, quicConn, w.uri)
+	if err != nil {
+		_ = pc.Close()
+		return err
+	}
+
+	w.running.Store(true)
+
+	runCtx, runCancel := context.WithCancel(w.runCtx)
+	contextutils.AfterFunc(runCtx, func() {
+		w.running.Store(false)
+		_ = ipConn.Close()
+		_ = tr.Close()
+		_ = pc.Close()
+	})
+
+	go func() {
+		defer runCancel()
+		buf := pool.Get(pool.UDPBufferSize)
+		defer pool.Put(buf)
+		bufs := [][]byte{buf}
+		sizes := []int{0}
+		for runCtx.Err() == nil {
+			_, err := w.tunDevice.Read(bufs, sizes, 0)
+			if err != nil {
+				log.Errorln("[Masque](%s) error reading from TUN device: %v", w.name, err)
+				return
+			}
+			icmp, err := ipConn.WritePacket(buf[:sizes[0]])
+			if err != nil {
+				if errors.As(err, new(*connectip.CloseError)) {
+					log.Errorln("[Masque](%s) connection closed while writing to IP connection: %v", w.name, err)
+					return
+				}
+				log.Warnln("[Masque](%s) error writing to IP connection: %v, continuing...", w.name, err)
+				continue
+			}
+
+			if len(icmp) > 0 {
+				if _, err := w.tunDevice.Write([][]byte{icmp}, 0); err != nil {
+					log.Warnln("[Masque](%s) error writing ICMP to TUN device: %v, continuing...", w.name, err)
+				}
+			}
+		}
+	}()
+
+	go func() {
+		defer runCancel()
+		buf := pool.Get(pool.UDPBufferSize)
+		defer pool.Put(buf)
+		for runCtx.Err() == nil {
+			n, err := ipConn.ReadPacket(buf)
+			if err != nil {
+				if errors.As(err, new(*connectip.CloseError)) {
+					log.Errorln("[Masque](%s) connection closed while writing to IP connection: %v", w.name, err)
+					return
+				}
+				log.Warnln("[Masque](%s) error reading from IP connection: %v, continuing...", w.name, err)
+				continue
+			}
+			if _, err := w.tunDevice.Write([][]byte{buf[:n]}, 0); err != nil {
+				log.Errorln("[Masque](%s) error writing to TUN device: %v", w.name, err)
+				return
+			}
+		}
+	}()
+
+	return nil
+}
+
+// Close implements C.ProxyAdapter
+func (w *Masque) Close() error {
+	w.runCancel()
+	if w.tunDevice != nil {
+		w.tunDevice.Close()
+	}
+	return nil
+}
+
+func (w *Masque) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
+	var conn net.Conn
+	if err = w.run(ctx); err != nil {
+		return nil, err
+	}
+	if !metadata.Resolved() || w.resolver != nil {
+		r := resolver.DefaultResolver
+		if w.resolver != nil {
+			r = w.resolver
+		}
+		options := w.DialOptions()
+		options = append(options, dialer.WithResolver(r))
+		options = append(options, dialer.WithNetDialer(wgNetDialer{tunDevice: w.tunDevice}))
+		conn, err = dialer.NewDialer(options...).DialContext(ctx, "tcp", metadata.RemoteAddress())
+	} else {
+		conn, err = w.tunDevice.DialContext(ctx, "tcp", M.SocksaddrFrom(metadata.DstIP, metadata.DstPort).Unwrap())
+	}
+	if err != nil {
+		return nil, err
+	}
+	if conn == nil {
+		return nil, errors.New("conn is nil")
+	}
+	return NewConn(conn, w), nil
+}
+
+func (w *Masque) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	var pc net.PacketConn
+	if err = w.run(ctx); err != nil {
+		return nil, err
+	}
+	if err = w.ResolveUDP(ctx, metadata); err != nil {
+		return nil, err
+	}
+	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, metadata.DstPort).Unwrap())
+	if err != nil {
+		return nil, err
+	}
+	if pc == nil {
+		return nil, errors.New("packetConn is nil")
+	}
+	return newPacketConn(pc, w), nil
+}
+
+func (w *Masque) ResolveUDP(ctx context.Context, metadata *C.Metadata) error {
+	if (!metadata.Resolved() || w.resolver != nil) && metadata.Host != "" {
+		r := resolver.DefaultResolver
+		if w.resolver != nil {
+			r = w.resolver
+		}
+		ip, err := resolver.ResolveIPWithResolver(ctx, metadata.Host, r)
+		if err != nil {
+			return fmt.Errorf("can't resolve ip: %w", err)
+		}
+		metadata.DstIP = ip
+	}
+	return nil
+}
+
+// ProxyInfo implements C.ProxyAdapter
+func (w *Masque) ProxyInfo() C.ProxyInfo {
+	info := w.Base.ProxyInfo()
+	info.DialerProxy = w.option.DialerProxy
+	return info
+}
+
+// IsL3Protocol implements C.ProxyAdapter
+func (w *Masque) IsL3Protocol(metadata *C.Metadata) bool {
+	return true
+}

adapter/outbound/mieru.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"fmt"
 	"net"
+	"net/netip"
 	"strconv"
 	"sync"
 
-	CN "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
+	N "github.com/metacubex/mihomo/common/net"
+	"github.com/metacubex/mihomo/component/resolver"
 	C "github.com/metacubex/mihomo/constant"
 
 	mieruclient "github.com/enfein/mieru/v3/apis/client"
@@ -28,15 +28,55 @@ type Mieru struct {
 
 type MieruOption struct {
 	BasicOption
-	Name         string `proxy:"name"`
-	Server       string `proxy:"server"`
-	Port         int    `proxy:"port,omitempty"`
-	PortRange    string `proxy:"port-range,omitempty"`
-	Transport    string `proxy:"transport"`
-	UDP          bool   `proxy:"udp,omitempty"`
-	UserName     string `proxy:"username"`
-	Password     string `proxy:"password"`
-	Multiplexing string `proxy:"multiplexing,omitempty"`
+	Name          string `proxy:"name"`
+	Server        string `proxy:"server"`
+	Port          int    `proxy:"port,omitempty"`
+	PortRange     string `proxy:"port-range,omitempty"`
+	Transport     string `proxy:"transport"`
+	UDP           bool   `proxy:"udp,omitempty"`
+	UserName      string `proxy:"username"`
+	Password      string `proxy:"password"`
+	Multiplexing  string `proxy:"multiplexing,omitempty"`
+	HandshakeMode string `proxy:"handshake-mode,omitempty"`
+}
+
+type mieruPacketDialer struct {
+	C.Dialer
+}
+
+var _ mierucommon.PacketDialer = (*mieruPacketDialer)(nil)
+
+func (pd mieruPacketDialer) ListenPacket(ctx context.Context, network, laddr, raddr string) (net.PacketConn, error) {
+	rAddrPort, err := netip.ParseAddrPort(raddr)
+	if err != nil {
+		return nil, fmt.Errorf("invalid address %s: %w", raddr, err)
+	}
+	return pd.Dialer.ListenPacket(ctx, network, laddr, rAddrPort)
+}
+
+type mieruDNSResolver struct {
+	prefer C.DNSPrefer
+}
+
+var _ mierucommon.DNSResolver = (*mieruDNSResolver)(nil)
+
+func (dr mieruDNSResolver) LookupIP(ctx context.Context, network, host string) (_ []net.IP, err error) {
+	var ip netip.Addr
+	switch dr.prefer {
+	case C.IPv4Only:
+		ip, err = resolver.ResolveIPv4WithResolver(ctx, host, resolver.ProxyServerHostResolver)
+	case C.IPv6Only:
+		ip, err = resolver.ResolveIPv6WithResolver(ctx, host, resolver.ProxyServerHostResolver)
+	case C.IPv6Prefer:
+		ip, err = resolver.ResolveIPPrefer6WithResolver(ctx, host, resolver.ProxyServerHostResolver)
+	default:
+		ip, err = resolver.ResolveIPWithResolver(ctx, host, resolver.ProxyServerHostResolver)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("can't resolve ip: %w", err)
+	}
+	// TODO: handle IP4P (due to interface limitations, it's currently impossible to modify the port here)
+	return []net.IP{ip.AsSlice()}, nil
 }
 
 // DialContext implements C.ProxyAdapter
@@ -64,7 +104,7 @@ func (m *Mieru) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (
 	if err != nil {
 		return nil, fmt.Errorf("dial to %s failed: %w", metadata.UDPAddr(), err)
 	}
-	return newPacketConn(CN.NewThreadSafePacketConn(mierucommon.NewUDPAssociateWrapper(mierucommon.NewPacketOverStreamTunnel(c))), m), nil
+	return newPacketConn(N.NewThreadSafePacketConn(mierucommon.NewUDPAssociateWrapper(mierucommon.NewPacketOverStreamTunnel(c))), m), nil
 }
 
 // SupportUOT implements C.ProxyAdapter
@@ -88,19 +128,13 @@ func (m *Mieru) ensureClientIsRunning() error {
 	}
 
 	// Create a dialer and add it to the client config, before starting the client.
-	var dialer C.Dialer = dialer.NewDialer(m.DialOptions()...)
-	var err error
-	if len(m.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(m.option.DialerProxy, dialer)
-		if err != nil {
-			return err
-		}
-	}
 	config, err := m.client.Load()
 	if err != nil {
 		return err
 	}
-	config.Dialer = dialer
+	config.Dialer = m.dialer
+	config.PacketDialer = mieruPacketDialer{Dialer: m.dialer}
+	config.Resolver = mieruDNSResolver{prefer: m.prefer}
 	if err := m.client.Store(config); err != nil {
 		return err
 	}
@@ -133,16 +167,18 @@ func NewMieru(option MieruOption) (*Mieru, error) {
 		Base: &Base{
 			name:   option.Name,
 			addr:   addr,
-			iface:  option.Interface,
 			tp:     C.Mieru,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			xudp:   false,
+			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option: &option,
 		client: c,
 	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
 	return outbound, nil
 }
 
@@ -157,23 +193,21 @@ func (m *Mieru) Close() error {
 }
 
 func metadataToMieruNetAddrSpec(metadata *C.Metadata) mierumodel.NetAddrSpec {
+	spec := mierumodel.NetAddrSpec{
+		Net: metadata.NetWork.String(),
+	}
 	if metadata.Host != "" {
-		return mierumodel.NetAddrSpec{
-			AddrSpec: mierumodel.AddrSpec{
-				FQDN: metadata.Host,
-				Port: int(metadata.DstPort),
-			},
-			Net: "tcp",
+		spec.AddrSpec = mierumodel.AddrSpec{
+			FQDN: metadata.Host,
+			Port: int(metadata.DstPort),
 		}
 	} else {
-		return mierumodel.NetAddrSpec{
-			AddrSpec: mierumodel.AddrSpec{
-				IP:   metadata.DstIP.AsSlice(),
-				Port: int(metadata.DstPort),
-			},
-			Net: "tcp",
+		spec.AddrSpec = mierumodel.AddrSpec{
+			IP:   metadata.DstIP.AsSlice(),
+			Port: int(metadata.DstPort),
 		}
 	}
+	return spec
 }
 
 func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, error) {
@@ -181,7 +215,13 @@ func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, erro
 		return nil, fmt.Errorf("failed to validate mieru option: %w", err)
 	}
 
-	transportProtocol := mierupb.TransportProtocol_TCP.Enum()
+	var transportProtocol = mierupb.TransportProtocol_UNKNOWN_TRANSPORT_PROTOCOL.Enum()
+	switch option.Transport {
+	case "TCP":
+		transportProtocol = mierupb.TransportProtocol_TCP.Enum()
+	case "UDP":
+		transportProtocol = mierupb.TransportProtocol_UDP.Enum()
+	}
 	var server *mierupb.ServerEndpoint
 	if net.ParseIP(option.Server) != nil {
 		// server is an IP address
@@ -239,12 +279,18 @@ func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, erro
 			},
 			Servers: []*mierupb.ServerEndpoint{server},
 		},
+		DNSConfig: &mierucommon.ClientDNSConfig{
+			BypassDialerDNS: true,
+		},
 	}
 	if multiplexing, ok := mierupb.MultiplexingLevel_value[option.Multiplexing]; ok {
 		config.Profile.Multiplexing = &mierupb.MultiplexingConfig{
 			Level: mierupb.MultiplexingLevel(multiplexing).Enum(),
 		}
 	}
+	if handshakeMode, ok := mierupb.HandshakeMode_value[option.HandshakeMode]; ok {
+		config.Profile.HandshakeMode = (*mierupb.HandshakeMode)(&handshakeMode)
+	}
 	return config, nil
 }
 
@@ -280,8 +326,8 @@ func validateMieruOption(option MieruOption) error {
 		}
 	}
 
-	if option.Transport != "TCP" {
-		return fmt.Errorf("transport must be TCP")
+	if option.Transport != "TCP" && option.Transport != "UDP" {
+		return fmt.Errorf("transport must be TCP or UDP")
 	}
 	if option.UserName == "" {
 		return fmt.Errorf("username is empty")
@@ -294,6 +340,11 @@ func validateMieruOption(option MieruOption) error {
 			return fmt.Errorf("invalid multiplexing level: %s", option.Multiplexing)
 		}
 	}
+	if option.HandshakeMode != "" {
+		if _, ok := mierupb.HandshakeMode_value[option.HandshakeMode]; !ok {
+			return fmt.Errorf("invalid handshake mode: %s", option.HandshakeMode)
+		}
+	}
 	return nil
 }
 

adapter/outbound/mieru_test.go

@@ -34,7 +34,7 @@ func TestNewMieru(t *testing.T) {
 				Name:      "test",
 				Server:    "example.com",
 				Port:      10003,
-				Transport: "TCP",
+				Transport: "UDP",
 				UserName:  "test",
 				Password:  "test",
 			},

adapter/outbound/reject.go

@@ -17,6 +17,7 @@ type Reject struct {
 }
 
 type RejectOption struct {
+	BasicOption
 	Name string `proxy:"name"`
 }
 

adapter/outbound/shadowsocks.go

@@ -8,10 +8,10 @@ import (
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/structure"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/ntp"
 	gost "github.com/metacubex/mihomo/transport/gost-plugin"
+	"github.com/metacubex/mihomo/transport/kcptun"
 	"github.com/metacubex/mihomo/transport/restls"
 	obfs "github.com/metacubex/mihomo/transport/simple-obfs"
 	shadowtls "github.com/metacubex/mihomo/transport/sing-shadowtls"
@@ -35,6 +35,7 @@ type ShadowSocks struct {
 	gostOption      *gost.Option
 	shadowTLSOption *shadowtls.ShadowTLSOption
 	restlsConfig    *restls.Config
+	kcptunClient    *kcptun.Client
 }
 
 type ShadowSocksOption struct {
@@ -64,6 +65,8 @@ type v2rayObfsOption struct {
 	TLS                      bool              `obfs:"tls,omitempty"`
 	ECHOpts                  ECHOptions        `obfs:"ech-opts,omitempty"`
 	Fingerprint              string            `obfs:"fingerprint,omitempty"`
+	Certificate              string            `obfs:"certificate,omitempty"`
+	PrivateKey               string            `obfs:"private-key,omitempty"`
 	Headers                  map[string]string `obfs:"headers,omitempty"`
 	SkipCertVerify           bool              `obfs:"skip-cert-verify,omitempty"`
 	Mux                      bool              `obfs:"mux,omitempty"`
@@ -78,6 +81,8 @@ type gostObfsOption struct {
 	TLS            bool              `obfs:"tls,omitempty"`
 	ECHOpts        ECHOptions        `obfs:"ech-opts,omitempty"`
 	Fingerprint    string            `obfs:"fingerprint,omitempty"`
+	Certificate    string            `obfs:"certificate,omitempty"`
+	PrivateKey     string            `obfs:"private-key,omitempty"`
 	Headers        map[string]string `obfs:"headers,omitempty"`
 	SkipCertVerify bool              `obfs:"skip-cert-verify,omitempty"`
 	Mux            bool              `obfs:"mux,omitempty"`
@@ -87,6 +92,8 @@ type shadowTLSOption struct {
 	Password       string   `obfs:"password,omitempty"`
 	Host           string   `obfs:"host"`
 	Fingerprint    string   `obfs:"fingerprint,omitempty"`
+	Certificate    string   `obfs:"certificate,omitempty"`
+	PrivateKey     string   `obfs:"private-key,omitempty"`
 	SkipCertVerify bool     `obfs:"skip-cert-verify,omitempty"`
 	Version        int      `obfs:"version,omitempty"`
 	ALPN           []string `obfs:"alpn,omitempty"`
@@ -99,6 +106,34 @@ type restlsOption struct {
 	RestlsScript string `obfs:"restls-script,omitempty"`
 }
 
+type kcpTunOption struct {
+	Key          string `obfs:"key,omitempty"`
+	Crypt        string `obfs:"crypt,omitempty"`
+	Mode         string `obfs:"mode,omitempty"`
+	Conn         int    `obfs:"conn,omitempty"`
+	AutoExpire   int    `obfs:"autoexpire,omitempty"`
+	ScavengeTTL  int    `obfs:"scavengettl,omitempty"`
+	MTU          int    `obfs:"mtu,omitempty"`
+	RateLimit    int    `obfs:"ratelimit,omitempty"`
+	SndWnd       int    `obfs:"sndwnd,omitempty"`
+	RcvWnd       int    `obfs:"rcvwnd,omitempty"`
+	DataShard    int    `obfs:"datashard,omitempty"`
+	ParityShard  int    `obfs:"parityshard,omitempty"`
+	DSCP         int    `obfs:"dscp,omitempty"`
+	NoComp       bool   `obfs:"nocomp,omitempty"`
+	AckNodelay   bool   `obfs:"acknodelay,omitempty"`
+	NoDelay      int    `obfs:"nodelay,omitempty"`
+	Interval     int    `obfs:"interval,omitempty"`
+	Resend       int    `obfs:"resend,omitempty"`
+	NoCongestion int    `obfs:"nc,omitempty"`
+	SockBuf      int    `obfs:"sockbuf,omitempty"`
+	SmuxVer      int    `obfs:"smuxver,omitempty"`
+	SmuxBuf      int    `obfs:"smuxbuf,omitempty"`
+	FrameSize    int    `obfs:"framesize,omitempty"`
+	StreamBuf    int    `obfs:"streambuf,omitempty"`
+	KeepAlive    int    `obfs:"keepalive,omitempty"`
+}
+
 // StreamConnContext implements C.ProxyAdapter
 func (ss *ShadowSocks) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Metadata) (_ net.Conn, err error) {
 	useEarly := false
@@ -156,18 +191,27 @@ func (ss *ShadowSocks) StreamConnContext(ctx context.Context, c net.Conn, metada
 
 // DialContext implements C.ProxyAdapter
 func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
-	return ss.DialContextWithDialer(ctx, dialer.NewDialer(ss.DialOptions()...), metadata)
-}
+	var c net.Conn
+	if ss.kcptunClient != nil {
+		c, err = ss.kcptunClient.OpenStream(ctx, func(ctx context.Context) (net.PacketConn, net.Addr, error) {
+			if err = ss.ResolveUDP(ctx, metadata); err != nil {
+				return nil, nil, err
+			}
+			addr, err := resolveUDPAddr(ctx, "udp", ss.addr, ss.prefer)
+			if err != nil {
+				return nil, nil, err
+			}
 
-// DialContextWithDialer implements C.ProxyAdapter
-func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(ss.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(ss.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
+			pc, err := ss.dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
+			if err != nil {
+				return nil, nil, err
+			}
+
+			return pc, addr, nil
+		})
+	} else {
+		c, err = ss.dialer.DialContext(ctx, "tcp", ss.addr)
 	}
-	c, err := dialer.DialContext(ctx, "tcp", ss.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
@@ -182,25 +226,14 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
-	return ss.ListenPacketWithDialer(ctx, dialer.NewDialer(ss.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	if ss.option.UDPOverTCP {
-		tcpConn, err := ss.DialContextWithDialer(ctx, dialer, metadata)
+		tcpConn, err := ss.DialContext(ctx, metadata)
 		if err != nil {
 			return nil, err
 		}
 		return ss.ListenPacketOnStreamConn(ctx, tcpConn, metadata)
 	}
-	if len(ss.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(ss.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	if err = ss.ResolveUDP(ctx, metadata); err != nil {
+	if err := ss.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
 	addr, err := resolveUDPAddr(ctx, "udp", ss.addr, ss.prefer)
@@ -208,7 +241,7 @@ func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dial
 		return nil, err
 	}
 
-	pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
+	pc, err := ss.dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 	if err != nil {
 		return nil, err
 	}
@@ -216,11 +249,6 @@ func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dial
 	return newPacketConn(pc, ss), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (ss *ShadowSocks) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // ProxyInfo implements C.ProxyAdapter
 func (ss *ShadowSocks) ProxyInfo() C.ProxyInfo {
 	info := ss.Base.ProxyInfo()
@@ -249,10 +277,18 @@ func (ss *ShadowSocks) SupportUOT() bool {
 	return ss.option.UDPOverTCP
 }
 
+func (ss *ShadowSocks) Close() error {
+	if ss.kcptunClient != nil {
+		return ss.kcptunClient.Close()
+	}
+	return nil
+}
+
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-	method, err := shadowsocks.CreateMethod(context.Background(), option.Cipher, shadowsocks.MethodOptions{
+	method, err := shadowsocks.CreateMethod(option.Cipher, shadowsocks.MethodOptions{
 		Password: option.Password,
+		TimeFunc: ntp.Now,
 	})
 	if err != nil {
 		return nil, fmt.Errorf("ss %s cipher: %s initialize error: %w", addr, option.Cipher, err)
@@ -263,6 +299,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	var obfsOption *simpleObfsOption
 	var shadowTLSOpt *shadowtls.ShadowTLSOption
 	var restlsConfig *restls.Config
+	var kcptunClient *kcptun.Client
 	obfsMode := ""
 
 	decoder := structure.NewDecoder(structure.Option{TagName: "obfs", WeaklyTypedInput: true})
@@ -300,6 +337,8 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			v2rayOption.TLS = true
 			v2rayOption.SkipCertVerify = opts.SkipCertVerify
 			v2rayOption.Fingerprint = opts.Fingerprint
+			v2rayOption.Certificate = opts.Certificate
+			v2rayOption.PrivateKey = opts.PrivateKey
 
 			echConfig, err := opts.ECHOpts.Parse()
 			if err != nil {
@@ -328,6 +367,8 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			gostOption.TLS = true
 			gostOption.SkipCertVerify = opts.SkipCertVerify
 			gostOption.Fingerprint = opts.Fingerprint
+			gostOption.Certificate = opts.Certificate
+			gostOption.PrivateKey = opts.PrivateKey
 
 			echConfig, err := opts.ECHOpts.Parse()
 			if err != nil {
@@ -348,6 +389,8 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			Password:          opt.Password,
 			Host:              opt.Host,
 			Fingerprint:       opt.Fingerprint,
+			Certificate:       opt.Certificate,
+			PrivateKey:        opt.PrivateKey,
 			ClientFingerprint: option.ClientFingerprint,
 			SkipCertVerify:    opt.SkipCertVerify,
 			Version:           opt.Version,
@@ -370,6 +413,41 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
 		}
 
+	} else if option.Plugin == kcptun.Mode {
+		obfsMode = kcptun.Mode
+		kcptunOpt := &kcpTunOption{}
+		if err := decoder.Decode(option.PluginOpts, kcptunOpt); err != nil {
+			return nil, fmt.Errorf("ss %s initialize kcptun-plugin error: %w", addr, err)
+		}
+
+		kcptunClient = kcptun.NewClient(kcptun.Config{
+			Key:          kcptunOpt.Key,
+			Crypt:        kcptunOpt.Crypt,
+			Mode:         kcptunOpt.Mode,
+			Conn:         kcptunOpt.Conn,
+			AutoExpire:   kcptunOpt.AutoExpire,
+			ScavengeTTL:  kcptunOpt.ScavengeTTL,
+			MTU:          kcptunOpt.MTU,
+			RateLimit:    kcptunOpt.RateLimit,
+			SndWnd:       kcptunOpt.SndWnd,
+			RcvWnd:       kcptunOpt.RcvWnd,
+			DataShard:    kcptunOpt.DataShard,
+			ParityShard:  kcptunOpt.ParityShard,
+			DSCP:         kcptunOpt.DSCP,
+			NoComp:       kcptunOpt.NoComp,
+			AckNodelay:   kcptunOpt.AckNodelay,
+			NoDelay:      kcptunOpt.NoDelay,
+			Interval:     kcptunOpt.Interval,
+			Resend:       kcptunOpt.Resend,
+			NoCongestion: kcptunOpt.NoCongestion,
+			SockBuf:      kcptunOpt.SockBuf,
+			SmuxVer:      kcptunOpt.SmuxVer,
+			SmuxBuf:      kcptunOpt.SmuxBuf,
+			FrameSize:    kcptunOpt.FrameSize,
+			StreamBuf:    kcptunOpt.StreamBuf,
+			KeepAlive:    kcptunOpt.KeepAlive,
+		})
+		option.UDPOverTCP = true // must open uot
 	}
 	switch option.UDPOverTCPVersion {
 	case uot.Version, uot.LegacyVersion:
@@ -379,17 +457,18 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		return nil, fmt.Errorf("ss %s unknown udp over tcp protocol version: %d", addr, option.UDPOverTCPVersion)
 	}
 
-	return &ShadowSocks{
+	outbound := &ShadowSocks{
 		Base: &Base{
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Shadowsocks,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		method: method,
 
@@ -400,5 +479,8 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		obfsOption:      obfsOption,
 		shadowTLSOption: shadowTLSOpt,
 		restlsConfig:    restlsConfig,
-	}, nil
+		kcptunClient:    kcptunClient,
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
 }

adapter/outbound/shadowsocksr.go

@@ -8,8 +8,6 @@ import (
 	"strconv"
 
 	N "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/shadowsocks/core"
 	"github.com/metacubex/mihomo/transport/shadowsocks/shadowaead"
@@ -68,18 +66,7 @@ func (ssr *ShadowSocksR) StreamConnContext(ctx context.Context, c net.Conn, meta
 
 // DialContext implements C.ProxyAdapter
 func (ssr *ShadowSocksR) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
-	return ssr.DialContextWithDialer(ctx, dialer.NewDialer(ssr.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (ssr *ShadowSocksR) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(ssr.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(ssr.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", ssr.addr)
+	c, err := ssr.dialer.DialContext(ctx, "tcp", ssr.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ssr.addr, err)
 	}
@@ -94,18 +81,7 @@ func (ssr *ShadowSocksR) DialContextWithDialer(ctx context.Context, dialer C.Dia
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
-	return ssr.ListenPacketWithDialer(ctx, dialer.NewDialer(ssr.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (ssr *ShadowSocksR) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	if len(ssr.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(ssr.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	if err = ssr.ResolveUDP(ctx, metadata); err != nil {
+	if err := ssr.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
 	addr, err := resolveUDPAddr(ctx, "udp", ssr.addr, ssr.prefer)
@@ -113,7 +89,7 @@ func (ssr *ShadowSocksR) ListenPacketWithDialer(ctx context.Context, dialer C.Di
 		return nil, err
 	}
 
-	pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
+	pc, err := ssr.dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 	if err != nil {
 		return nil, err
 	}
@@ -123,11 +99,6 @@ func (ssr *ShadowSocksR) ListenPacketWithDialer(ctx context.Context, dialer C.Di
 	return newPacketConn(&ssrPacketConn{EnhancePacketConn: epc, rAddr: addr}, ssr), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (ssr *ShadowSocksR) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // ProxyInfo implements C.ProxyAdapter
 func (ssr *ShadowSocksR) ProxyInfo() C.ProxyInfo {
 	info := ssr.Base.ProxyInfo()
@@ -186,23 +157,26 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 		return nil, fmt.Errorf("ssr %s initialize protocol error: %w", addr, err)
 	}
 
-	return &ShadowSocksR{
+	outbound := &ShadowSocksR{
 		Base: &Base{
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.ShadowsocksR,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:   &option,
 		cipher:   coreCiph,
 		obfs:     obfs,
 		protocol: protocol,
-	}, nil
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
 }
 
 type ssrPacketConn struct {
@@ -252,13 +226,14 @@ func (spc *ssrPacketConn) WaitReadFrom() (data []byte, put func(), addr net.Addr
 		return nil, nil, nil, errors.New("parse addr error")
 	}
 
-	addr = _addr.UDPAddr()
-	if addr == nil {
+	udpAddr := _addr.UDPAddr()
+	if udpAddr == nil {
 		if put != nil {
 			put()
 		}
 		return nil, nil, nil, errors.New("parse addr error")
 	}
+	addr = udpAddr
 
 	data = data[len(_addr):]
 	return

adapter/outbound/singmux.go

@@ -3,8 +3,7 @@ package outbound
 import (
 	"context"
 
-	CN "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
+	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
@@ -17,7 +16,6 @@ import (
 type SingMux struct {
 	ProxyAdapter
 	client  *mux.Client
-	dialer  proxydialer.SingDialer
 	onlyTcp bool
 }
 
@@ -61,7 +59,7 @@ func (s *SingMux) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 	if pc == nil {
 		return nil, E.New("packetConn is nil")
 	}
-	return newPacketConn(CN.NewThreadSafePacketConn(pc), s), nil
+	return newPacketConn(N.NewThreadSafePacketConn(pc), s), nil
 }
 
 func (s *SingMux) SupportUDP() bool {
@@ -96,7 +94,7 @@ func NewSingMux(option SingMuxOption, proxy ProxyAdapter) (ProxyAdapter, error)
 	// TODO
 	// "TCP Brutal is only supported on Linux-based systems"
 
-	singDialer := proxydialer.NewSingDialer(proxy, dialer.NewDialer(proxy.DialOptions()...), option.Statistic)
+	singDialer := proxydialer.NewSingDialer(proxydialer.New(proxy, option.Statistic))
 	client, err := mux.NewClient(mux.Options{
 		Dialer:         singDialer,
 		Logger:         log.SingLogger,
@@ -117,7 +115,6 @@ func NewSingMux(option SingMuxOption, proxy ProxyAdapter) (ProxyAdapter, error)
 	outbound := &SingMux{
 		ProxyAdapter: proxy,
 		client:       client,
-		dialer:       singDialer,
 		onlyTcp:      option.OnlyTcp,
 	}
 	return outbound, nil

adapter/outbound/snell.go

@@ -8,8 +8,6 @@ import (
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/structure"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 	obfs "github.com/metacubex/mihomo/transport/simple-obfs"
 	"github.com/metacubex/mihomo/transport/snell"
@@ -89,18 +87,7 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn
 		return NewConn(c, s), err
 	}
 
-	return s.DialContextWithDialer(ctx, dialer.NewDialer(s.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (s *Snell) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(s.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(s.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", s.addr)
+	c, err := s.dialer.DialContext(ctx, "tcp", s.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
 	}
@@ -115,22 +102,11 @@ func (s *Snell) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 
 // ListenPacketContext implements C.ProxyAdapter
 func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
-	return s.ListenPacketWithDialer(ctx, dialer.NewDialer(s.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (s *Snell) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.PacketConn, error) {
 	var err error
-	if len(s.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(s.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
 	if err = s.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
-	c, err := dialer.DialContext(ctx, "tcp", s.addr)
+	c, err := s.dialer.DialContext(ctx, "tcp", s.addr)
 	if err != nil {
 		return nil, err
 	}
@@ -141,11 +117,6 @@ func (s *Snell) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	return newPacketConn(pc, s), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (s *Snell) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // SupportUOT implements C.ProxyAdapter
 func (s *Snell) SupportUOT() bool {
 	return true
@@ -194,30 +165,24 @@ func NewSnell(option SnellOption) (*Snell, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Snell,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:     &option,
 		psk:        psk,
 		obfsOption: obfsOption,
 		version:    option.Version,
 	}
+	s.dialer = option.NewDialer(s.DialOptions())
 
 	if option.Version == snell.Version2 {
 		s.pool = snell.NewPool(func(ctx context.Context) (*snell.Snell, error) {
-			var err error
-			var cDialer C.Dialer = dialer.NewDialer(s.DialOptions()...)
-			if len(s.option.DialerProxy) > 0 {
-				cDialer, err = proxydialer.NewByName(s.option.DialerProxy, cDialer)
-				if err != nil {
-					return nil, err
-				}
-			}
-			c, err := cDialer.DialContext(ctx, "tcp", addr)
+			c, err := s.dialer.DialContext(ctx, "tcp", addr)
 			if err != nil {
 				return nil, err
 			}

adapter/outbound/socks5.go

@@ -2,7 +2,6 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"io"
@@ -12,10 +11,10 @@ import (
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/socks5"
+
+	"github.com/metacubex/tls"
 )
 
 type Socks5 struct {
@@ -39,6 +38,8 @@ type Socks5Option struct {
 	UDP            bool   `proxy:"udp,omitempty"`
 	SkipCertVerify bool   `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint    string `proxy:"fingerprint,omitempty"`
+	Certificate    string `proxy:"certificate,omitempty"`
+	PrivateKey     string `proxy:"private-key,omitempty"`
 }
 
 // StreamConnContext implements C.ProxyAdapter
@@ -67,18 +68,7 @@ func (ss *Socks5) StreamConnContext(ctx context.Context, c net.Conn, metadata *C
 
 // DialContext implements C.ProxyAdapter
 func (ss *Socks5) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
-	return ss.DialContextWithDialer(ctx, dialer.NewDialer(ss.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (ss *Socks5) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(ss.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(ss.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", ss.addr)
+	c, err := ss.dialer.DialContext(ctx, "tcp", ss.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
@@ -95,24 +85,12 @@ func (ss *Socks5) DialContextWithDialer(ctx context.Context, dialer C.Dialer, me
 	return NewConn(c, ss), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (ss *Socks5) SupportWithDialer() C.NetWork {
-	return C.TCP
-}
-
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	var cDialer C.Dialer = dialer.NewDialer(ss.DialOptions()...)
-	if len(ss.option.DialerProxy) > 0 {
-		cDialer, err = proxydialer.NewByName(ss.option.DialerProxy, cDialer)
-		if err != nil {
-			return nil, err
-		}
-	}
 	if err = ss.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
-	c, err := cDialer.DialContext(ctx, "tcp", ss.addr)
+	c, err := ss.dialer.DialContext(ctx, "tcp", ss.addr)
 	if err != nil {
 		err = fmt.Errorf("%s connect error: %w", ss.addr, err)
 		return
@@ -159,7 +137,7 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 		bindUDPAddr.IP = serverAddr.IP
 	}
 
-	pc, err := cDialer.ListenPacket(ctx, "udp", "", bindUDPAddr.AddrPort())
+	pc, err := ss.dialer.ListenPacket(ctx, "udp", "", bindUDPAddr.AddrPort())
 	if err != nil {
 		return
 	}
@@ -193,29 +171,33 @@ func (ss *Socks5) clientHandshakeContext(ctx context.Context, c net.Conn, addr s
 func NewSocks5(option Socks5Option) (*Socks5, error) {
 	var tlsConfig *tls.Config
 	if option.TLS {
-		tlsConfig = &tls.Config{
-			InsecureSkipVerify: option.SkipCertVerify,
-			ServerName:         option.Server,
-		}
-
 		var err error
-		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		tlsConfig, err = ca.GetTLSConfig(ca.Option{
+			TLSConfig: &tls.Config{
+				InsecureSkipVerify: option.SkipCertVerify,
+				ServerName:         option.Server,
+			},
+			Fingerprint: option.Fingerprint,
+			Certificate: option.Certificate,
+			PrivateKey:  option.PrivateKey,
+		})
 		if err != nil {
 			return nil, err
 		}
 	}
 
-	return &Socks5{
+	outbound := &Socks5{
 		Base: &Base{
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Socks5,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:         &option,
 		user:           option.UserName,
@@ -223,7 +205,9 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 		tls:            option.TLS,
 		skipCertVerify: option.SkipCertVerify,
 		tlsConfig:      tlsConfig,
-	}, nil
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
 }
 
 type socksPacketConn struct {

adapter/outbound/ssh.go

@@ -12,8 +12,6 @@ import (
 	"sync"
 
 	N "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 
 	"github.com/metacubex/randv2"
@@ -44,14 +42,7 @@ type SshOption struct {
 }
 
 func (s *Ssh) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
-	var cDialer C.Dialer = dialer.NewDialer(s.DialOptions()...)
-	if len(s.option.DialerProxy) > 0 {
-		cDialer, err = proxydialer.NewByName(s.option.DialerProxy, cDialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	client, err := s.connect(ctx, cDialer, s.addr)
+	client, err := s.connect(ctx, s.addr)
 	if err != nil {
 		return nil, err
 	}
@@ -63,13 +54,13 @@ func (s *Ssh) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn,
 	return NewConn(c, s), nil
 }
 
-func (s *Ssh) connect(ctx context.Context, cDialer C.Dialer, addr string) (client *ssh.Client, err error) {
+func (s *Ssh) connect(ctx context.Context, addr string) (client *ssh.Client, err error) {
 	s.cMutex.Lock()
 	defer s.cMutex.Unlock()
 	if s.client != nil {
 		return s.client, nil
 	}
-	c, err := cDialer.DialContext(ctx, "tcp", addr)
+	c, err := s.dialer.DialContext(ctx, "tcp", addr)
 	if err != nil {
 		return nil, err
 	}
@@ -195,14 +186,15 @@ func NewSsh(option SshOption) (*Ssh, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Ssh,
+			pdName: option.ProviderName,
 			udp:    false,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option: &option,
 		config: &config,
 	}
-
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
 	return outbound, nil
 }

adapter/outbound/sudoku.go

@@ -0,0 +1,405 @@
+package outbound
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+	"sync"
+
+	N "github.com/metacubex/mihomo/common/net"
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/transport/sudoku"
+)
+
+type Sudoku struct {
+	*Base
+	option   *SudokuOption
+	baseConf sudoku.ProtocolConfig
+
+	httpMaskMu     sync.Mutex
+	httpMaskClient *sudoku.HTTPMaskTunnelClient
+
+	muxMu     sync.Mutex
+	muxClient *sudoku.MultiplexClient
+}
+
+type SudokuOption struct {
+	BasicOption
+	Name               string   `proxy:"name"`
+	Server             string   `proxy:"server"`
+	Port               int      `proxy:"port"`
+	Key                string   `proxy:"key"`
+	AEADMethod         string   `proxy:"aead-method,omitempty"`
+	PaddingMin         *int     `proxy:"padding-min,omitempty"`
+	PaddingMax         *int     `proxy:"padding-max,omitempty"`
+	TableType          string   `proxy:"table-type,omitempty"` // "prefer_ascii" or "prefer_entropy"
+	EnablePureDownlink *bool    `proxy:"enable-pure-downlink,omitempty"`
+	HTTPMask           bool     `proxy:"http-mask,omitempty"`
+	HTTPMaskMode       string   `proxy:"http-mask-mode,omitempty"`      // "legacy" (default), "stream", "poll", "auto"
+	HTTPMaskTLS        bool     `proxy:"http-mask-tls,omitempty"`       // only for http-mask-mode stream/poll/auto
+	HTTPMaskHost       string   `proxy:"http-mask-host,omitempty"`      // optional Host/SNI override (domain or domain:port)
+	PathRoot           string   `proxy:"path-root,omitempty"`           // optional first-level path prefix for HTTP tunnel endpoints
+	HTTPMaskMultiplex  string   `proxy:"http-mask-multiplex,omitempty"` // "off" (default), "auto" (reuse h1/h2), "on" (single tunnel, multi-target)
+	CustomTable        string   `proxy:"custom-table,omitempty"`        // optional custom byte layout, e.g. xpxvvpvv
+	CustomTables       []string `proxy:"custom-tables,omitempty"`       // optional table rotation patterns, overrides custom-table when non-empty
+}
+
+// DialContext implements C.ProxyAdapter
+func (s *Sudoku) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
+	cfg, err := s.buildConfig(metadata)
+	if err != nil {
+		return nil, err
+	}
+
+	muxMode := normalizeHTTPMaskMultiplex(cfg.HTTPMaskMultiplex)
+	if muxMode == "on" && !cfg.DisableHTTPMask && httpTunnelModeEnabled(cfg.HTTPMaskMode) {
+		stream, muxErr := s.dialMultiplex(ctx, cfg.TargetAddress)
+		if muxErr == nil {
+			return NewConn(stream, s), nil
+		}
+		return nil, muxErr
+	}
+
+	c, err := s.dialAndHandshake(ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+	defer func() { safeConnClose(c, err) }()
+
+	addrBuf, err := sudoku.EncodeAddress(cfg.TargetAddress)
+	if err != nil {
+		return nil, fmt.Errorf("encode target address failed: %w", err)
+	}
+
+	if _, err = c.Write(addrBuf); err != nil {
+		return nil, fmt.Errorf("send target address failed: %w", err)
+	}
+
+	return NewConn(c, s), nil
+}
+
+// ListenPacketContext implements C.ProxyAdapter
+func (s *Sudoku) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
+	if err := s.ResolveUDP(ctx, metadata); err != nil {
+		return nil, err
+	}
+
+	cfg, err := s.buildConfig(metadata)
+	if err != nil {
+		return nil, err
+	}
+
+	c, err := s.dialAndHandshake(ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = sudoku.WritePreface(c); err != nil {
+		_ = c.Close()
+		return nil, fmt.Errorf("send uot preface failed: %w", err)
+	}
+
+	return newPacketConn(N.NewThreadSafePacketConn(sudoku.NewUoTPacketConn(c)), s), nil
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (s *Sudoku) SupportUOT() bool {
+	return true
+}
+
+// ProxyInfo implements C.ProxyAdapter
+func (s *Sudoku) ProxyInfo() C.ProxyInfo {
+	info := s.Base.ProxyInfo()
+	info.DialerProxy = s.option.DialerProxy
+	return info
+}
+
+func (s *Sudoku) buildConfig(metadata *C.Metadata) (*sudoku.ProtocolConfig, error) {
+	if metadata == nil || metadata.DstPort == 0 || !metadata.Valid() {
+		return nil, fmt.Errorf("invalid metadata for sudoku outbound")
+	}
+
+	cfg := s.baseConf
+	cfg.TargetAddress = metadata.RemoteAddress()
+
+	if err := cfg.ValidateClient(); err != nil {
+		return nil, err
+	}
+	return &cfg, nil
+}
+
+func NewSudoku(option SudokuOption) (*Sudoku, error) {
+	if option.Server == "" {
+		return nil, fmt.Errorf("server is required")
+	}
+	if option.Port <= 0 || option.Port > 65535 {
+		return nil, fmt.Errorf("invalid port: %d", option.Port)
+	}
+	if option.Key == "" {
+		return nil, fmt.Errorf("key is required")
+	}
+
+	tableType := strings.ToLower(option.TableType)
+	if tableType == "" {
+		tableType = "prefer_ascii"
+	}
+	if tableType != "prefer_ascii" && tableType != "prefer_entropy" {
+		return nil, fmt.Errorf("table-type must be prefer_ascii or prefer_entropy")
+	}
+
+	defaultConf := sudoku.DefaultConfig()
+	paddingMin := defaultConf.PaddingMin
+	paddingMax := defaultConf.PaddingMax
+	if option.PaddingMin != nil {
+		paddingMin = *option.PaddingMin
+	}
+	if option.PaddingMax != nil {
+		paddingMax = *option.PaddingMax
+	}
+	if option.PaddingMin == nil && option.PaddingMax != nil && paddingMax < paddingMin {
+		paddingMin = paddingMax
+	}
+	if option.PaddingMax == nil && option.PaddingMin != nil && paddingMax < paddingMin {
+		paddingMax = paddingMin
+	}
+	enablePureDownlink := defaultConf.EnablePureDownlink
+	if option.EnablePureDownlink != nil {
+		enablePureDownlink = *option.EnablePureDownlink
+	}
+
+	baseConf := sudoku.ProtocolConfig{
+		ServerAddress:           net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+		Key:                     option.Key,
+		AEADMethod:              defaultConf.AEADMethod,
+		PaddingMin:              paddingMin,
+		PaddingMax:              paddingMax,
+		EnablePureDownlink:      enablePureDownlink,
+		HandshakeTimeoutSeconds: defaultConf.HandshakeTimeoutSeconds,
+		DisableHTTPMask:         !option.HTTPMask,
+		HTTPMaskMode:            defaultConf.HTTPMaskMode,
+		HTTPMaskTLSEnabled:      option.HTTPMaskTLS,
+		HTTPMaskHost:            option.HTTPMaskHost,
+		HTTPMaskPathRoot:        strings.TrimSpace(option.PathRoot),
+		HTTPMaskMultiplex:       defaultConf.HTTPMaskMultiplex,
+	}
+	if option.HTTPMaskMode != "" {
+		baseConf.HTTPMaskMode = option.HTTPMaskMode
+	}
+	if option.HTTPMaskMultiplex != "" {
+		baseConf.HTTPMaskMultiplex = option.HTTPMaskMultiplex
+	}
+	tables, err := sudoku.NewTablesWithCustomPatterns(sudoku.ClientAEADSeed(option.Key), tableType, option.CustomTable, option.CustomTables)
+	if err != nil {
+		return nil, fmt.Errorf("build table(s) failed: %w", err)
+	}
+	if len(tables) == 1 {
+		baseConf.Table = tables[0]
+	} else {
+		baseConf.Tables = tables
+	}
+	if option.AEADMethod != "" {
+		baseConf.AEADMethod = option.AEADMethod
+	}
+
+	outbound := &Sudoku{
+		Base: &Base{
+			name:   option.Name,
+			addr:   baseConf.ServerAddress,
+			tp:     C.Sudoku,
+			pdName: option.ProviderName,
+			udp:    true,
+			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: option.IPVersion,
+		},
+		option:   &option,
+		baseConf: baseConf,
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
+}
+
+func (s *Sudoku) Close() error {
+	s.resetMuxClient()
+	s.resetHTTPMaskClient()
+	return s.Base.Close()
+}
+
+func normalizeHTTPMaskMultiplex(mode string) string {
+	switch strings.ToLower(strings.TrimSpace(mode)) {
+	case "", "off":
+		return "off"
+	case "auto":
+		return "auto"
+	case "on":
+		return "on"
+	default:
+		return "off"
+	}
+}
+
+func httpTunnelModeEnabled(mode string) bool {
+	switch strings.ToLower(strings.TrimSpace(mode)) {
+	case "stream", "poll", "auto":
+		return true
+	default:
+		return false
+	}
+}
+
+func (s *Sudoku) dialAndHandshake(ctx context.Context, cfg *sudoku.ProtocolConfig) (_ net.Conn, err error) {
+	if cfg == nil {
+		return nil, fmt.Errorf("config is required")
+	}
+
+	handshakeCfg := *cfg
+	if !handshakeCfg.DisableHTTPMask && httpTunnelModeEnabled(handshakeCfg.HTTPMaskMode) {
+		handshakeCfg.DisableHTTPMask = true
+	}
+
+	upgrade := func(raw net.Conn) (net.Conn, error) {
+		return sudoku.ClientHandshake(raw, &handshakeCfg)
+	}
+
+	var (
+		c             net.Conn
+		handshakeDone bool
+	)
+	if !cfg.DisableHTTPMask && httpTunnelModeEnabled(cfg.HTTPMaskMode) {
+		muxMode := normalizeHTTPMaskMultiplex(cfg.HTTPMaskMultiplex)
+		switch muxMode {
+		case "auto", "on":
+			client, errX := s.getOrCreateHTTPMaskClient(cfg)
+			if errX != nil {
+				return nil, errX
+			}
+			c, err = client.Dial(ctx, upgrade)
+		default:
+			c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext, upgrade)
+		}
+		if err == nil && c != nil {
+			handshakeDone = true
+		}
+	}
+	if c == nil && err == nil {
+		c, err = s.dialer.DialContext(ctx, "tcp", s.addr)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
+	}
+
+	defer func() { safeConnClose(c, err) }()
+
+	if ctx.Done() != nil {
+		done := N.SetupContextForConn(ctx, c)
+		defer done(&err)
+	}
+
+	if !handshakeDone {
+		c, err = sudoku.ClientHandshake(c, &handshakeCfg)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return c, nil
+}
+
+func (s *Sudoku) dialMultiplex(ctx context.Context, targetAddress string) (net.Conn, error) {
+	for attempt := 0; attempt < 2; attempt++ {
+		client, err := s.getOrCreateMuxClient(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		stream, err := client.Dial(ctx, targetAddress)
+		if err != nil {
+			s.resetMuxClient()
+			continue
+		}
+
+		return stream, nil
+	}
+	return nil, fmt.Errorf("multiplex open stream failed")
+}
+
+func (s *Sudoku) getOrCreateMuxClient(ctx context.Context) (*sudoku.MultiplexClient, error) {
+	if s == nil {
+		return nil, fmt.Errorf("nil adapter")
+	}
+
+	s.muxMu.Lock()
+	if s.muxClient != nil && !s.muxClient.IsClosed() {
+		client := s.muxClient
+		s.muxMu.Unlock()
+		return client, nil
+	}
+	s.muxMu.Unlock()
+
+	s.muxMu.Lock()
+	defer s.muxMu.Unlock()
+
+	if s.muxClient != nil && !s.muxClient.IsClosed() {
+		return s.muxClient, nil
+	}
+
+	baseCfg := s.baseConf
+	baseConn, err := s.dialAndHandshake(ctx, &baseCfg)
+	if err != nil {
+		return nil, err
+	}
+
+	client, err := sudoku.StartMultiplexClient(baseConn)
+	if err != nil {
+		_ = baseConn.Close()
+		return nil, err
+	}
+
+	s.muxClient = client
+	return client, nil
+}
+
+func (s *Sudoku) resetMuxClient() {
+	s.muxMu.Lock()
+	defer s.muxMu.Unlock()
+	if s.muxClient != nil {
+		_ = s.muxClient.Close()
+		s.muxClient = nil
+	}
+}
+
+func (s *Sudoku) getOrCreateHTTPMaskClient(cfg *sudoku.ProtocolConfig) (*sudoku.HTTPMaskTunnelClient, error) {
+	if s == nil {
+		return nil, fmt.Errorf("nil adapter")
+	}
+	if cfg == nil {
+		return nil, fmt.Errorf("config is required")
+	}
+
+	s.httpMaskMu.Lock()
+	defer s.httpMaskMu.Unlock()
+
+	if s.httpMaskClient != nil {
+		return s.httpMaskClient, nil
+	}
+
+	c, err := sudoku.NewHTTPMaskTunnelClient(cfg.ServerAddress, cfg, s.dialer.DialContext)
+	if err != nil {
+		return nil, err
+	}
+	s.httpMaskClient = c
+	return c, nil
+}
+
+func (s *Sudoku) resetHTTPMaskClient() {
+	s.httpMaskMu.Lock()
+	defer s.httpMaskMu.Unlock()
+	if s.httpMaskClient != nil {
+		s.httpMaskClient.CloseIdleConnections()
+		s.httpMaskClient = nil
+	}
+}

adapter/outbound/trojan.go

@@ -2,24 +2,23 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/gun"
 	"github.com/metacubex/mihomo/transport/shadowsocks/core"
 	"github.com/metacubex/mihomo/transport/trojan"
 	"github.com/metacubex/mihomo/transport/vmess"
+
+	"github.com/metacubex/http"
+	"github.com/metacubex/tls"
 )
 
 type Trojan struct {
@@ -48,6 +47,8 @@ type TrojanOption struct {
 	SNI               string         `proxy:"sni,omitempty"`
 	SkipCertVerify    bool           `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint       string         `proxy:"fingerprint,omitempty"`
+	Certificate       string         `proxy:"certificate,omitempty"`
+	PrivateKey        string         `proxy:"private-key,omitempty"`
 	UDP               bool           `proxy:"udp,omitempty"`
 	Network           string         `proxy:"network,omitempty"`
 	ECHOpts           ECHOptions     `proxy:"ech-opts,omitempty"`
@@ -95,19 +96,22 @@ func (t *Trojan) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.
 		}
 
 		alpn := trojan.DefaultWebsocketALPN
-		if len(t.option.ALPN) != 0 {
+		if t.option.ALPN != nil { // structure's Decode will ensure value not nil when input has value even it was set an empty array
 			alpn = t.option.ALPN
 		}
 
 		wsOpts.TLS = true
-		tlsConfig := &tls.Config{
-			NextProtos:         alpn,
-			MinVersion:         tls.VersionTLS12,
-			InsecureSkipVerify: t.option.SkipCertVerify,
-			ServerName:         t.option.SNI,
-		}
-
-		wsOpts.TLSConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, t.option.Fingerprint)
+		wsOpts.TLSConfig, err = ca.GetTLSConfig(ca.Option{
+			TLSConfig: &tls.Config{
+				NextProtos:         alpn,
+				MinVersion:         tls.VersionTLS12,
+				InsecureSkipVerify: t.option.SkipCertVerify,
+				ServerName:         t.option.SNI,
+			},
+			Fingerprint: t.option.Fingerprint,
+			Certificate: t.option.Certificate,
+			PrivateKey:  t.option.PrivateKey,
+		})
 		if err != nil {
 			return nil, err
 		}
@@ -119,13 +123,15 @@ func (t *Trojan) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.
 		// default tcp network
 		// handle TLS
 		alpn := trojan.DefaultALPN
-		if len(t.option.ALPN) != 0 {
+		if t.option.ALPN != nil { // structure's Decode will ensure value not nil when input has value even it was set an empty array
 			alpn = t.option.ALPN
 		}
 		c, err = vmess.StreamTLSConn(ctx, c, &vmess.TLSConfig{
 			Host:              t.option.SNI,
 			SkipCertVerify:    t.option.SkipCertVerify,
 			FingerPrint:       t.option.Fingerprint,
+			Certificate:       t.option.Certificate,
+			PrivateKey:        t.option.PrivateKey,
 			ClientFingerprint: t.option.ClientFingerprint,
 			NextProtos:        alpn,
 			ECH:               t.echConfig,
@@ -189,18 +195,7 @@ func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Con
 
 		return NewConn(c, t), nil
 	}
-	return t.DialContextWithDialer(ctx, dialer.NewDialer(t.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (t *Trojan) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(t.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(t.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", t.addr)
+	c, err = t.dialer.DialContext(ctx, "tcp", t.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
@@ -243,21 +238,10 @@ func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 		pc := trojan.NewPacketConn(c)
 		return newPacketConn(pc, t), err
 	}
-	return t.ListenPacketWithDialer(ctx, dialer.NewDialer(t.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (t *Trojan) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	if len(t.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(t.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
 	if err = t.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
-	c, err := dialer.DialContext(ctx, "tcp", t.addr)
+	c, err = t.dialer.DialContext(ctx, "tcp", t.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
@@ -273,11 +257,6 @@ func (t *Trojan) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, me
 	return newPacketConn(pc, t), err
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (t *Trojan) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // SupportUOT implements C.ProxyAdapter
 func (t *Trojan) SupportUOT() bool {
 	return true
@@ -310,16 +289,18 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Trojan,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:      &option,
 		hexPassword: trojan.Key(option.Password),
 	}
+	t.dialer = option.NewDialer(t.DialOptions())
 
 	var err error
 	t.realityConfig, err = option.RealityOpts.Parse()
@@ -348,30 +329,24 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 
 	if option.Network == "grpc" {
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
-			var cDialer C.Dialer = dialer.NewDialer(t.DialOptions()...)
-			if len(t.option.DialerProxy) > 0 {
-				cDialer, err = proxydialer.NewByName(t.option.DialerProxy, cDialer)
-				if err != nil {
-					return nil, err
-				}
-			}
-			c, err := cDialer.DialContext(ctx, "tcp", t.addr)
+			c, err := t.dialer.DialContext(ctx, "tcp", t.addr)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", t.addr, err.Error())
 			}
 			return c, nil
 		}
 
-		tlsConfig := &tls.Config{
-			NextProtos:         option.ALPN,
-			MinVersion:         tls.VersionTLS12,
-			InsecureSkipVerify: option.SkipCertVerify,
-			ServerName:         option.SNI,
-		}
-
-		var err error
-		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		tlsConfig, err := ca.GetTLSConfig(ca.Option{
+			TLSConfig: &tls.Config{
+				NextProtos:         option.ALPN,
+				MinVersion:         tls.VersionTLS12,
+				InsecureSkipVerify: option.SkipCertVerify,
+				ServerName:         option.SNI,
+			},
+			Fingerprint: option.Fingerprint,
+			Certificate: option.Certificate,
+			PrivateKey:  option.PrivateKey,
+		})
 		if err != nil {
 			return nil, err
 		}
@@ -381,6 +356,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		t.gunTLSConfig = tlsConfig
 		t.gunConfig = &gun.Config{
 			ServiceName:       option.GrpcOpts.GrpcServiceName,
+			UserAgent:         option.GrpcOpts.GrpcUserAgent,
 			Host:              option.SNI,
 			ClientFingerprint: option.ClientFingerprint,
 		}

adapter/outbound/tuic.go

@@ -2,7 +2,6 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"fmt"
 	"math"
 	"net"
@@ -10,10 +9,7 @@ import (
 	"time"
 
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
-	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/tuic"
 
@@ -21,6 +17,7 @@ import (
 	"github.com/metacubex/quic-go"
 	M "github.com/metacubex/sing/common/metadata"
 	"github.com/metacubex/sing/common/uot"
+	"github.com/metacubex/tls"
 )
 
 type Tuic struct {
@@ -28,7 +25,7 @@ type Tuic struct {
 	option *TuicOption
 	client *tuic.PoolClient
 
-	tlsConfig *tlsC.Config
+	tlsConfig *tls.Config
 	echConfig *ech.Config
 }
 
@@ -55,8 +52,8 @@ type TuicOption struct {
 	CWND                 int        `proxy:"cwnd,omitempty"`
 	SkipCertVerify       bool       `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint          string     `proxy:"fingerprint,omitempty"`
-	CustomCA             string     `proxy:"ca,omitempty"`
-	CustomCAString       string     `proxy:"ca-str,omitempty"`
+	Certificate          string     `proxy:"certificate,omitempty"`
+	PrivateKey           string     `proxy:"private-key,omitempty"`
 	ReceiveWindowConn    int        `proxy:"recv-window-conn,omitempty"`
 	ReceiveWindow        int        `proxy:"recv-window,omitempty"`
 	DisableMTUDiscovery  bool       `proxy:"disable-mtu-discovery,omitempty"`
@@ -70,12 +67,7 @@ type TuicOption struct {
 
 // DialContext implements C.ProxyAdapter
 func (t *Tuic) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
-	return t.DialContextWithDialer(ctx, dialer.NewDialer(t.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (t *Tuic) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.Conn, error) {
-	conn, err := t.client.DialContextWithDialer(ctx, metadata, dialer, t.dialWithDialer)
+	conn, err := t.client.DialContext(ctx, metadata)
 	if err != nil {
 		return nil, err
 	}
@@ -84,11 +76,6 @@ func (t *Tuic) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metad
 
 // ListenPacketContext implements C.ProxyAdapter
 func (t *Tuic) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	return t.ListenPacketWithDialer(ctx, dialer.NewDialer(t.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (t *Tuic) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	if err = t.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
@@ -98,7 +85,7 @@ func (t *Tuic) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, meta
 		uotMetadata := *metadata
 		uotMetadata.Host = uotDestination.Fqdn
 		uotMetadata.DstPort = uotDestination.Port
-		c, err := t.DialContextWithDialer(ctx, dialer, &uotMetadata)
+		c, err := t.DialContext(ctx, &uotMetadata)
 		if err != nil {
 			return nil, err
 		}
@@ -112,25 +99,14 @@ func (t *Tuic) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, meta
 			return newPacketConn(uot.NewLazyConn(c, uot.Request{Destination: destination}), t), nil
 		}
 	}
-	pc, err := t.client.ListenPacketWithDialer(ctx, metadata, dialer, t.dialWithDialer)
+	pc, err := t.client.ListenPacket(ctx, metadata)
 	if err != nil {
 		return nil, err
 	}
 	return newPacketConn(pc, t), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (t *Tuic) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
-func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (transport *quic.Transport, addr net.Addr, err error) {
-	if len(t.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(t.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, nil, err
-		}
-	}
+func (t *Tuic) dial(ctx context.Context) (transport *quic.Transport, addr net.Addr, err error) {
 	udpAddr, err := resolveUDPAddr(ctx, "udp", t.addr, t.prefer)
 	if err != nil {
 		return nil, nil, err
@@ -141,7 +117,7 @@ func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (transport *
 	}
 	addr = udpAddr
 	var pc net.PacketConn
-	pc, err = dialer.ListenPacket(ctx, "udp", "", udpAddr.AddrPort())
+	pc, err = t.dialer.ListenPacket(ctx, "udp", "", udpAddr.AddrPort())
 	if err != nil {
 		return nil, nil, err
 	}
@@ -161,17 +137,20 @@ func (t *Tuic) ProxyInfo() C.ProxyInfo {
 func NewTuic(option TuicOption) (*Tuic, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	serverName := option.Server
-	tlsConfig := &tls.Config{
-		ServerName:         serverName,
-		InsecureSkipVerify: option.SkipCertVerify,
-		MinVersion:         tls.VersionTLS13,
-	}
 	if option.SNI != "" {
-		tlsConfig.ServerName = option.SNI
+		serverName = option.SNI
 	}
 
-	var err error
-	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	tlsConfig, err := ca.GetTLSConfig(ca.Option{
+		TLSConfig: &tls.Config{
+			ServerName:         serverName,
+			InsecureSkipVerify: option.SkipCertVerify,
+			MinVersion:         tls.VersionTLS13,
+		},
+		Fingerprint: option.Fingerprint,
+		Certificate: option.Certificate,
+		PrivateKey:  option.PrivateKey,
+	})
 	if err != nil {
 		return nil, err
 	}
@@ -253,7 +232,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 		tlsConfig.InsecureSkipVerify = true // tls: either ServerName or InsecureSkipVerify must be specified in the tls.Config
 	}
 
-	tlsClientConfig := tlsC.UConfig(tlsConfig)
+	tlsClientConfig := tlsConfig
 	echConfig, err := option.ECHOpts.Parse()
 	if err != nil {
 		return nil, err
@@ -272,16 +251,18 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Tuic,
+			pdName: option.ProviderName,
 			udp:    true,
 			tfo:    option.FastOpen,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option:    &option,
 		tlsConfig: tlsClientConfig,
 		echConfig: echConfig,
 	}
+	t.dialer = option.NewDialer(t.DialOptions())
 
 	clientMaxOpenStreams := int64(option.MaxOpenStreams)
 
@@ -310,7 +291,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			CWND:                  option.CWND,
 		}
 
-		t.client = tuic.NewPoolClientV4(clientOption)
+		t.client = tuic.NewPoolClientV4(clientOption, t.dial)
 	} else {
 		maxUdpRelayPacketSize := option.MaxUdpRelayPacketSize
 		if maxUdpRelayPacketSize > tuic.MaxFragSizeV5 {
@@ -329,7 +310,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			CWND:                  option.CWND,
 		}
 
-		t.client = tuic.NewPoolClientV5(clientOption)
+		t.client = tuic.NewPoolClientV5(clientOption, t.dial)
 	}
 
 	return t, nil

adapter/outbound/util.go

@@ -39,6 +39,7 @@ func resolveUDPAddr(ctx context.Context, network, address string, prefer C.DNSPr
 	if err != nil {
 		return nil, err
 	}
+
 	var ip netip.Addr
 	switch prefer {
 	case C.IPv4Only:
@@ -56,7 +57,17 @@ func resolveUDPAddr(ctx context.Context, network, address string, prefer C.DNSPr
 	}
 
 	ip, port = resolver.LookupIP4P(ip, port)
-	return net.ResolveUDPAddr(network, net.JoinHostPort(ip.String(), port))
+
+	var uint16Port uint16
+	if port, err := strconv.ParseUint(port, 10, 16); err == nil {
+		uint16Port = uint16(port)
+	} else {
+		return nil, err
+	}
+	// our resolver always unmap before return, so unneeded unmap at here
+	// which is different with net.ResolveUDPAddr maybe return 4in6 address
+	// 4in6 addresses can cause some strange effects on sing-based code
+	return net.UDPAddrFromAddrPort(netip.AddrPortFrom(ip, uint16Port)), nil
 }
 
 func safeConnClose(c net.Conn, err error) {

adapter/outbound/vless.go

@@ -2,37 +2,27 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
-	"encoding/binary"
-	"errors"
 	"fmt"
-	"io"
 	"net"
-	"net/http"
 	"strconv"
-	"sync"
 
 	"github.com/metacubex/mihomo/common/convert"
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/gun"
 	"github.com/metacubex/mihomo/transport/vless"
+	"github.com/metacubex/mihomo/transport/vless/encryption"
 	"github.com/metacubex/mihomo/transport/vmess"
 
+	"github.com/metacubex/http"
 	vmessSing "github.com/metacubex/sing-vmess"
 	"github.com/metacubex/sing-vmess/packetaddr"
 	M "github.com/metacubex/sing/common/metadata"
-)
-
-const (
-	// max packet length
-	maxLength = 1024 << 3
+	"github.com/metacubex/tls"
 )
 
 type Vless struct {
@@ -40,6 +30,8 @@ type Vless struct {
 	client *vless.Client
 	option *VlessOption
 
+	encryption *encryption.ClientInstance
+
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
@@ -62,6 +54,7 @@ type VlessOption struct {
 	PacketAddr        bool              `proxy:"packet-addr,omitempty"`
 	XUDP              bool              `proxy:"xudp,omitempty"`
 	PacketEncoding    string            `proxy:"packet-encoding,omitempty"`
+	Encryption        string            `proxy:"encryption,omitempty"`
 	Network           string            `proxy:"network,omitempty"`
 	ECHOpts           ECHOptions        `proxy:"ech-opts,omitempty"`
 	RealityOpts       RealityOptions    `proxy:"reality-opts,omitempty"`
@@ -69,10 +62,11 @@ type VlessOption struct {
 	HTTP2Opts         HTTP2Options      `proxy:"h2-opts,omitempty"`
 	GrpcOpts          GrpcOptions       `proxy:"grpc-opts,omitempty"`
 	WSOpts            WSOptions         `proxy:"ws-opts,omitempty"`
-	WSPath            string            `proxy:"ws-path,omitempty"`
 	WSHeaders         map[string]string `proxy:"ws-headers,omitempty"`
 	SkipCertVerify    bool              `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint       string            `proxy:"fingerprint,omitempty"`
+	Certificate       string            `proxy:"certificate,omitempty"`
+	PrivateKey        string            `proxy:"private-key,omitempty"`
 	ServerName        string            `proxy:"servername,omitempty"`
 	ClientFingerprint string            `proxy:"client-fingerprint,omitempty"`
 }
@@ -101,14 +95,17 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 		}
 		if v.option.TLS {
 			wsOpts.TLS = true
-			tlsConfig := &tls.Config{
-				MinVersion:         tls.VersionTLS12,
-				ServerName:         host,
-				InsecureSkipVerify: v.option.SkipCertVerify,
-				NextProtos:         []string{"http/1.1"},
-			}
-
-			wsOpts.TLSConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			wsOpts.TLSConfig, err = ca.GetTLSConfig(ca.Option{
+				TLSConfig: &tls.Config{
+					MinVersion:         tls.VersionTLS12,
+					ServerName:         host,
+					InsecureSkipVerify: v.option.SkipCertVerify,
+					NextProtos:         []string{"http/1.1"},
+				},
+				Fingerprint: v.option.Fingerprint,
+				Certificate: v.option.Certificate,
+				PrivateKey:  v.option.PrivateKey,
+			})
 			if err != nil {
 				return nil, err
 			}
@@ -173,6 +170,12 @@ func (v *Vless) streamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 		done := N.SetupContextForConn(ctx, c)
 		defer done(&err)
 	}
+	if v.encryption != nil {
+		c, err = v.encryption.Handshake(c)
+		if err != nil {
+			return
+		}
+	}
 	if metadata.NetWork == C.UDP {
 		if v.option.PacketAddr {
 			metadata = &C.Metadata{
@@ -188,9 +191,6 @@ func (v *Vless) streamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 			}
 		}
 		conn, err = v.client.StreamConn(c, parseVlessAddr(metadata, v.option.XUDP))
-		if v.option.PacketAddr {
-			conn = packetaddr.NewBindConn(conn)
-		}
 	} else {
 		conn, err = v.client.StreamConn(c, parseVlessAddr(metadata, false))
 	}
@@ -208,6 +208,8 @@ func (v *Vless) streamTLSConn(ctx context.Context, conn net.Conn, isH2 bool) (ne
 			Host:              host,
 			SkipCertVerify:    v.option.SkipCertVerify,
 			FingerPrint:       v.option.Fingerprint,
+			Certificate:       v.option.Certificate,
+			PrivateKey:        v.option.PrivateKey,
 			ClientFingerprint: v.option.ClientFingerprint,
 			ECH:               v.echConfig,
 			Reality:           v.realityConfig,
@@ -248,18 +250,7 @@ func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn
 
 		return NewConn(c, v), nil
 	}
-	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -297,23 +288,12 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (
 
 		return v.ListenPacketOnStreamConn(ctx, c, metadata)
 	}
-	return v.ListenPacketWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (v *Vless) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
 
 	if err = v.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
 
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -329,11 +309,6 @@ func (v *Vless) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	return v.ListenPacketOnStreamConn(ctx, c, metadata)
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (v *Vless) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // ListenPacketOnStreamConn implements C.ProxyAdapter
 func (v *Vless) ListenPacketOnStreamConn(ctx context.Context, c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	if err = v.ResolveUDP(ctx, metadata); err != nil {
@@ -352,12 +327,11 @@ func (v *Vless) ListenPacketOnStreamConn(ctx context.Context, c net.Conn, metada
 		), v), nil
 	} else if v.option.PacketAddr {
 		return newPacketConn(N.NewThreadSafePacketConn(
-			packetaddr.NewConn(&vlessPacketConn{
-				Conn: c, rAddr: metadata.UDPAddr(),
-			}, M.SocksaddrFromNet(metadata.UDPAddr())),
+			packetaddr.NewConn(v.client.PacketConn(c, metadata.UDPAddr()),
+				M.SocksaddrFromNet(metadata.UDPAddr())),
 		), v), nil
 	}
-	return newPacketConn(N.NewThreadSafePacketConn(&vlessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}), v), nil
+	return newPacketConn(N.NewThreadSafePacketConn(v.client.PacketConn(c, metadata.UDPAddr())), v), nil
 }
 
 // SupportUOT implements C.ProxyAdapter
@@ -408,101 +382,9 @@ func parseVlessAddr(metadata *C.Metadata, xudp bool) *vless.DstAddr {
 	}
 }
 
-type vlessPacketConn struct {
-	net.Conn
-	rAddr  net.Addr
-	remain int
-	mux    sync.Mutex
-	cache  [2]byte
-}
-
-func (c *vlessPacketConn) writePacket(payload []byte) (int, error) {
-	binary.BigEndian.PutUint16(c.cache[:], uint16(len(payload)))
-
-	if _, err := c.Conn.Write(c.cache[:]); err != nil {
-		return 0, err
-	}
-
-	return c.Conn.Write(payload)
-}
-
-func (c *vlessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
-	total := len(b)
-	if total == 0 {
-		return 0, nil
-	}
-
-	if total <= maxLength {
-		return c.writePacket(b)
-	}
-
-	offset := 0
-
-	for offset < total {
-		cursor := offset + maxLength
-		if cursor > total {
-			cursor = total
-		}
-
-		n, err := c.writePacket(b[offset:cursor])
-		if err != nil {
-			return offset + n, err
-		}
-
-		offset = cursor
-		if offset == total {
-			break
-		}
-	}
-
-	return total, nil
-}
-
-func (c *vlessPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
-	c.mux.Lock()
-	defer c.mux.Unlock()
-
-	if c.remain > 0 {
-		length := len(b)
-		if c.remain < length {
-			length = c.remain
-		}
-
-		n, err := c.Conn.Read(b[:length])
-		if err != nil {
-			return 0, c.rAddr, err
-		}
-
-		c.remain -= n
-		return n, c.rAddr, nil
-	}
-
-	if _, err := c.Conn.Read(b[:2]); err != nil {
-		return 0, c.rAddr, err
-	}
-
-	total := int(binary.BigEndian.Uint16(b[:2]))
-	if total == 0 {
-		return 0, c.rAddr, nil
-	}
-
-	length := len(b)
-	if length > total {
-		length = total
-	}
-
-	if _, err := io.ReadFull(c.Conn, b[:length]); err != nil {
-		return 0, c.rAddr, errors.New("read packet error")
-	}
-
-	c.remain = total - length
-
-	return length, c.rAddr, nil
-}
-
 func NewVless(option VlessOption) (*Vless, error) {
 	var addons *vless.Addons
-	if option.Network != "ws" && len(option.Flow) >= 16 {
+	if len(option.Flow) >= 16 {
 		option.Flow = option.Flow[:16]
 		if option.Flow != vless.XRV {
 			return nil, fmt.Errorf("unsupported xtls flow type: %s", option.Flow)
@@ -535,17 +417,24 @@ func NewVless(option VlessOption) (*Vless, error) {
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Vless,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			xudp:   option.XUDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		client: client,
 		option: &option,
 	}
+	v.dialer = option.NewDialer(v.DialOptions())
+
+	v.encryption, err = encryption.NewClient(option.Encryption)
+	if err != nil {
+		return nil, err
+	}
 
 	v.realityConfig, err = v.option.RealityOpts.Parse()
 	if err != nil {
@@ -564,15 +453,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 	case "grpc":
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
-			var cDialer C.Dialer = dialer.NewDialer(v.DialOptions()...)
-			if len(v.option.DialerProxy) > 0 {
-				cDialer, err = proxydialer.NewByName(v.option.DialerProxy, cDialer)
-				if err != nil {
-					return nil, err
-				}
-			}
-			c, err := cDialer.DialContext(ctx, "tcp", v.addr)
+			c, err := v.dialer.DialContext(ctx, "tcp", v.addr)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}
@@ -581,6 +462,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 
 		gunConfig := &gun.Config{
 			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
+			UserAgent:         v.option.GrpcOpts.GrpcUserAgent,
 			Host:              v.option.ServerName,
 			ClientFingerprint: v.option.ClientFingerprint,
 		}
@@ -589,10 +471,15 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 		var tlsConfig *tls.Config
 		if option.TLS {
-			tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(&tls.Config{
-				InsecureSkipVerify: v.option.SkipCertVerify,
-				ServerName:         v.option.ServerName,
-			}, v.option.Fingerprint)
+			tlsConfig, err = ca.GetTLSConfig(ca.Option{
+				TLSConfig: &tls.Config{
+					InsecureSkipVerify: v.option.SkipCertVerify,
+					ServerName:         v.option.ServerName,
+				},
+				Fingerprint: v.option.Fingerprint,
+				Certificate: v.option.Certificate,
+				PrivateKey:  v.option.PrivateKey,
+			})
 			if err != nil {
 				return nil, err
 			}

adapter/outbound/vmess.go

@@ -2,11 +2,9 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 	"strings"
 	"sync"
@@ -14,18 +12,18 @@ import (
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/ntp"
 	"github.com/metacubex/mihomo/transport/gun"
 	mihomoVMess "github.com/metacubex/mihomo/transport/vmess"
 
+	"github.com/metacubex/http"
 	vmess "github.com/metacubex/sing-vmess"
 	"github.com/metacubex/sing-vmess/packetaddr"
 	M "github.com/metacubex/sing/common/metadata"
+	"github.com/metacubex/tls"
 )
 
 var ErrUDPRemoteAddrMismatch = errors.New("udp packet dropped due to mismatched remote address")
@@ -58,6 +56,8 @@ type VmessOption struct {
 	ALPN                []string       `proxy:"alpn,omitempty"`
 	SkipCertVerify      bool           `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint         string         `proxy:"fingerprint,omitempty"`
+	Certificate         string         `proxy:"certificate,omitempty"`
+	PrivateKey          string         `proxy:"private-key,omitempty"`
 	ServerName          string         `proxy:"servername,omitempty"`
 	ECHOpts             ECHOptions     `proxy:"ech-opts,omitempty"`
 	RealityOpts         RealityOptions `proxy:"reality-opts,omitempty"`
@@ -86,6 +86,7 @@ type HTTP2Options struct {
 
 type GrpcOptions struct {
 	GrpcServiceName string `proxy:"grpc-service-name,omitempty"`
+	GrpcUserAgent   string `proxy:"grpc-user-agent,omitempty"`
 }
 
 type WSOptions struct {
@@ -123,13 +124,16 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 
 		if v.option.TLS {
 			wsOpts.TLS = true
-			tlsConfig := &tls.Config{
-				ServerName:         host,
-				InsecureSkipVerify: v.option.SkipCertVerify,
-				NextProtos:         []string{"http/1.1"},
-			}
-
-			wsOpts.TLSConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			wsOpts.TLSConfig, err = ca.GetTLSConfig(ca.Option{
+				TLSConfig: &tls.Config{
+					ServerName:         host,
+					InsecureSkipVerify: v.option.SkipCertVerify,
+					NextProtos:         []string{"http/1.1"},
+				},
+				Fingerprint: v.option.Fingerprint,
+				Certificate: v.option.Certificate,
+				PrivateKey:  v.option.PrivateKey,
+			})
 			if err != nil {
 				return nil, err
 			}
@@ -178,6 +182,8 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 			Host:              host,
 			SkipCertVerify:    v.option.SkipCertVerify,
 			FingerPrint:       v.option.Fingerprint,
+			Certificate:       v.option.Certificate,
+			PrivateKey:        v.option.PrivateKey,
 			NextProtos:        []string{"h2"},
 			ClientFingerprint: v.option.ClientFingerprint,
 			Reality:           v.realityConfig,
@@ -208,6 +214,8 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 				Host:              host,
 				SkipCertVerify:    v.option.SkipCertVerify,
 				FingerPrint:       v.option.Fingerprint,
+				Certificate:       v.option.Certificate,
+				PrivateKey:        v.option.PrivateKey,
 				ClientFingerprint: v.option.ClientFingerprint,
 				ECH:               v.echConfig,
 				Reality:           v.realityConfig,
@@ -304,18 +312,7 @@ func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn
 
 		return NewConn(c, v), nil
 	}
-	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -349,23 +346,12 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (
 		}
 		return v.ListenPacketOnStreamConn(ctx, c, metadata)
 	}
-	return v.ListenPacketWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (v *Vmess) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
 
 	if err = v.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
 
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -380,11 +366,6 @@ func (v *Vmess) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	return v.ListenPacketOnStreamConn(ctx, c, metadata)
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (v *Vmess) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // ProxyInfo implements C.ProxyAdapter
 func (v *Vmess) ProxyInfo() C.ProxyInfo {
 	info := v.Base.ProxyInfo()
@@ -447,17 +428,19 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Vmess,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			xudp:   option.XUDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		client: client,
 		option: &option,
 	}
+	v.dialer = option.NewDialer(v.DialOptions())
 
 	v.realityConfig, err = v.option.RealityOpts.Parse()
 	if err != nil {
@@ -476,15 +459,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 	case "grpc":
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
-			var cDialer C.Dialer = dialer.NewDialer(v.DialOptions()...)
-			if len(v.option.DialerProxy) > 0 {
-				cDialer, err = proxydialer.NewByName(v.option.DialerProxy, cDialer)
-				if err != nil {
-					return nil, err
-				}
-			}
-			c, err := cDialer.DialContext(ctx, "tcp", v.addr)
+			c, err := v.dialer.DialContext(ctx, "tcp", v.addr)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}
@@ -493,6 +468,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 
 		gunConfig := &gun.Config{
 			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
+			UserAgent:         v.option.GrpcOpts.GrpcUserAgent,
 			Host:              v.option.ServerName,
 			ClientFingerprint: v.option.ClientFingerprint,
 		}
@@ -501,10 +477,15 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 		var tlsConfig *tls.Config
 		if option.TLS {
-			tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(&tls.Config{
-				InsecureSkipVerify: v.option.SkipCertVerify,
-				ServerName:         v.option.ServerName,
-			}, v.option.Fingerprint)
+			tlsConfig, err = ca.GetTLSConfig(ca.Option{
+				TLSConfig: &tls.Config{
+					InsecureSkipVerify: v.option.SkipCertVerify,
+					ServerName:         v.option.ServerName,
+				},
+				Fingerprint: v.option.Fingerprint,
+				Certificate: v.option.Certificate,
+				PrivateKey:  v.option.PrivateKey,
+			})
 			if err != nil {
 				return nil, err
 			}

adapter/outbound/wireguard.go

@@ -40,7 +40,6 @@ type WireGuard struct {
 	bind      *wireguard.ClientBind
 	device    wireguardGoDevice
 	tunDevice wireguard.Device
-	dialer    proxydialer.SingDialer
 	resolver  resolver.Resolver
 
 	initOk        atomic.Bool
@@ -87,15 +86,26 @@ type WireGuardPeerOption struct {
 }
 
 type AmneziaWGOption struct {
-	JC   int    `proxy:"jc"`
-	JMin int    `proxy:"jmin"`
-	JMax int    `proxy:"jmax"`
-	S1   int    `proxy:"s1"`
-	S2   int    `proxy:"s2"`
-	H1   uint32 `proxy:"h1"`
-	H2   uint32 `proxy:"h2"`
-	H3   uint32 `proxy:"h3"`
-	H4   uint32 `proxy:"h4"`
+	JC    int    `proxy:"jc,omitempty"`
+	JMin  int    `proxy:"jmin,omitempty"`
+	JMax  int    `proxy:"jmax,omitempty"`
+	S1    int    `proxy:"s1,omitempty"`
+	S2    int    `proxy:"s2,omitempty"`
+	S3    int    `proxy:"s3,omitempty"`    // AmneziaWG v1.5 and v2
+	S4    int    `proxy:"s4,omitempty"`    // AmneziaWG v1.5 and v2
+	H1    string `proxy:"h1,omitempty"`    // In AmneziaWG v1.x, it was uint32, but our WeaklyTypedInput can handle this situation
+	H2    string `proxy:"h2,omitempty"`    // In AmneziaWG v1.x, it was uint32, but our WeaklyTypedInput can handle this situation
+	H3    string `proxy:"h3,omitempty"`    // In AmneziaWG v1.x, it was uint32, but our WeaklyTypedInput can handle this situation
+	H4    string `proxy:"h4,omitempty"`    // In AmneziaWG v1.x, it was uint32, but our WeaklyTypedInput can handle this situation
+	I1    string `proxy:"i1,omitempty"`    // AmneziaWG v1.5 and v2
+	I2    string `proxy:"i2,omitempty"`    // AmneziaWG v1.5 and v2
+	I3    string `proxy:"i3,omitempty"`    // AmneziaWG v1.5 and v2
+	I4    string `proxy:"i4,omitempty"`    // AmneziaWG v1.5 and v2
+	I5    string `proxy:"i5,omitempty"`    // AmneziaWG v1.5 and v2
+	J1    string `proxy:"j1,omitempty"`    // AmneziaWG v1.5 only (removed in v2)
+	J2    string `proxy:"j2,omitempty"`    // AmneziaWG v1.5 only (removed in v2)
+	J3    string `proxy:"j3,omitempty"`    // AmneziaWG v1.5 only (removed in v2)
+	Itime int64  `proxy:"itime,omitempty"` // AmneziaWG v1.5 only (removed in v2)
 }
 
 type wgSingErrorHandler struct {
@@ -160,14 +170,15 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.WireGuard,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 	}
-	singDialer := proxydialer.NewSlowDownSingDialer(proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer(outbound.DialOptions()...)), slowdown.New())
-	outbound.dialer = singDialer
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	singDialer := proxydialer.NewSingDialer(proxydialer.NewSlowDownDialer(outbound.dialer, slowdown.New()))
 
 	var reserved [3]uint8
 	if len(option.Reserved) > 0 {
@@ -185,7 +196,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 			outbound.connectAddr = option.Addr()
 		}
 	}
-	outbound.bind = wireguard.NewClientBind(context.Background(), wgSingErrorHandler{outbound.Name()}, outbound.dialer, isConnect, outbound.connectAddr.AddrPort(), reserved)
+	outbound.bind = wireguard.NewClientBind(context.Background(), wgSingErrorHandler{outbound.Name()}, singDialer, isConnect, outbound.connectAddr.AddrPort(), reserved)
 
 	var err error
 	outbound.localPrefixes, err = option.Prefixes()
@@ -386,15 +397,66 @@ func (w *WireGuard) genIpcConf(ctx context.Context, updateOnly bool) (string, er
 	if !updateOnly {
 		ipcConf += "private_key=" + w.option.PrivateKey + "\n"
 		if w.option.AmneziaWGOption != nil {
-			ipcConf += "jc=" + strconv.Itoa(w.option.AmneziaWGOption.JC) + "\n"
-			ipcConf += "jmin=" + strconv.Itoa(w.option.AmneziaWGOption.JMin) + "\n"
-			ipcConf += "jmax=" + strconv.Itoa(w.option.AmneziaWGOption.JMax) + "\n"
-			ipcConf += "s1=" + strconv.Itoa(w.option.AmneziaWGOption.S1) + "\n"
-			ipcConf += "s2=" + strconv.Itoa(w.option.AmneziaWGOption.S2) + "\n"
-			ipcConf += "h1=" + strconv.FormatUint(uint64(w.option.AmneziaWGOption.H1), 10) + "\n"
-			ipcConf += "h2=" + strconv.FormatUint(uint64(w.option.AmneziaWGOption.H2), 10) + "\n"
-			ipcConf += "h3=" + strconv.FormatUint(uint64(w.option.AmneziaWGOption.H3), 10) + "\n"
-			ipcConf += "h4=" + strconv.FormatUint(uint64(w.option.AmneziaWGOption.H4), 10) + "\n"
+			if w.option.AmneziaWGOption.JC != 0 {
+				ipcConf += "jc=" + strconv.Itoa(w.option.AmneziaWGOption.JC) + "\n"
+			}
+			if w.option.AmneziaWGOption.JMin != 0 {
+				ipcConf += "jmin=" + strconv.Itoa(w.option.AmneziaWGOption.JMin) + "\n"
+			}
+			if w.option.AmneziaWGOption.JMax != 0 {
+				ipcConf += "jmax=" + strconv.Itoa(w.option.AmneziaWGOption.JMax) + "\n"
+			}
+			if w.option.AmneziaWGOption.S1 != 0 {
+				ipcConf += "s1=" + strconv.Itoa(w.option.AmneziaWGOption.S1) + "\n"
+			}
+			if w.option.AmneziaWGOption.S2 != 0 {
+				ipcConf += "s2=" + strconv.Itoa(w.option.AmneziaWGOption.S2) + "\n"
+			}
+			if w.option.AmneziaWGOption.S3 != 0 {
+				ipcConf += "s3=" + strconv.Itoa(w.option.AmneziaWGOption.S3) + "\n"
+			}
+			if w.option.AmneziaWGOption.S4 != 0 {
+				ipcConf += "s4=" + strconv.Itoa(w.option.AmneziaWGOption.S4) + "\n"
+			}
+			if w.option.AmneziaWGOption.H1 != "" {
+				ipcConf += "h1=" + w.option.AmneziaWGOption.H1 + "\n"
+			}
+			if w.option.AmneziaWGOption.H2 != "" {
+				ipcConf += "h2=" + w.option.AmneziaWGOption.H2 + "\n"
+			}
+			if w.option.AmneziaWGOption.H3 != "" {
+				ipcConf += "h3=" + w.option.AmneziaWGOption.H3 + "\n"
+			}
+			if w.option.AmneziaWGOption.H4 != "" {
+				ipcConf += "h4=" + w.option.AmneziaWGOption.H4 + "\n"
+			}
+			if w.option.AmneziaWGOption.I1 != "" {
+				ipcConf += "i1=" + w.option.AmneziaWGOption.I1 + "\n"
+			}
+			if w.option.AmneziaWGOption.I2 != "" {
+				ipcConf += "i2=" + w.option.AmneziaWGOption.I2 + "\n"
+			}
+			if w.option.AmneziaWGOption.I3 != "" {
+				ipcConf += "i3=" + w.option.AmneziaWGOption.I3 + "\n"
+			}
+			if w.option.AmneziaWGOption.I4 != "" {
+				ipcConf += "i4=" + w.option.AmneziaWGOption.I4 + "\n"
+			}
+			if w.option.AmneziaWGOption.I5 != "" {
+				ipcConf += "i5=" + w.option.AmneziaWGOption.I5 + "\n"
+			}
+			if w.option.AmneziaWGOption.J1 != "" {
+				ipcConf += "j1=" + w.option.AmneziaWGOption.J1 + "\n"
+			}
+			if w.option.AmneziaWGOption.J2 != "" {
+				ipcConf += "j2=" + w.option.AmneziaWGOption.J2 + "\n"
+			}
+			if w.option.AmneziaWGOption.J3 != "" {
+				ipcConf += "j3=" + w.option.AmneziaWGOption.J3 + "\n"
+			}
+			if w.option.AmneziaWGOption.Itime != 0 {
+				ipcConf += "itime=" + strconv.FormatInt(int64(w.option.AmneziaWGOption.Itime), 10) + "\n"
+			}
 		}
 	}
 	if len(w.option.Peers) > 0 {
@@ -547,6 +609,13 @@ func (w *WireGuard) ResolveUDP(ctx context.Context, metadata *C.Metadata) error
 	return nil
 }
 
+// ProxyInfo implements C.ProxyAdapter
+func (w *WireGuard) ProxyInfo() C.ProxyInfo {
+	info := w.Base.ProxyInfo()
+	info.DialerProxy = w.option.DialerProxy
+	return info
+}
+
 // IsL3Protocol implements C.ProxyAdapter
 func (w *WireGuard) IsL3Protocol(metadata *C.Metadata) bool {
 	return true

adapter/outboundgroup/fallback.go

@@ -10,7 +10,7 @@ import (
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 )
 
 type Fallback struct {
@@ -150,7 +150,15 @@ func (f *Fallback) ForceSet(name string) {
 	f.selected = name
 }
 
-func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider) *Fallback {
+func (f *Fallback) Providers() []P.ProxyProvider {
+	return f.providers
+}
+
+func (f *Fallback) Proxies() []C.Proxy {
+	return f.GetProxies(false)
+}
+
+func NewFallback(option *GroupCommonOption, providers []P.ProxyProvider) *Fallback {
 	return &Fallback{
 		GroupBase: NewGroupBase(GroupBaseOption{
 			Name:           option.Name,

adapter/outboundgroup/groupbase.go

@@ -12,8 +12,7 @@ import (
 	"github.com/metacubex/mihomo/common/atomic"
 	"github.com/metacubex/mihomo/common/utils"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	"github.com/metacubex/mihomo/log"
 	"github.com/metacubex/mihomo/tunnel"
 
@@ -26,7 +25,7 @@ type GroupBase struct {
 	filterRegs        []*regexp2.Regexp
 	excludeFilterRegs []*regexp2.Regexp
 	excludeTypeArray  []string
-	providers         []provider.ProxyProvider
+	providers         []P.ProxyProvider
 	failedTestMux     sync.Mutex
 	failedTimes       int
 	failedTime        time.Time
@@ -48,7 +47,7 @@ type GroupBaseOption struct {
 	ExcludeType    string
 	TestTimeout    int
 	MaxFailedTimes int
-	Providers      []provider.ProxyProvider
+	Providers      []P.ProxyProvider
 }
 
 func NewGroupBase(opt GroupBaseOption) *GroupBase {
@@ -125,7 +124,7 @@ func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
 		}
 	} else {
 		for _, pd := range gb.providers {
-			if pd.VehicleType() == types.Compatible { // compatible provider unneeded filter
+			if pd.VehicleType() == P.Compatible { // compatible provider unneeded filter
 				proxies = append(proxies, pd.Proxies()...)
 				continue
 			}

adapter/outboundgroup/loadbalance.go

@@ -14,7 +14,7 @@ import (
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/common/utils"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 
 	"golang.org/x/net/publicsuffix"
 )
@@ -194,7 +194,7 @@ func strategyStickySessions(url string) strategyFn {
 		key := utils.MapHash(getKeyWithSrcAndDst(metadata))
 		length := len(proxies)
 		idx, has := lruCache.Get(key)
-		if !has {
+		if !has || idx >= length {
 			idx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
 		}
 
@@ -239,7 +239,19 @@ func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvider, strategy string) (lb *LoadBalance, err error) {
+func (lb *LoadBalance) Providers() []P.ProxyProvider {
+	return lb.providers
+}
+
+func (lb *LoadBalance) Proxies() []C.Proxy {
+	return lb.GetProxies(false)
+}
+
+func (lb *LoadBalance) Now() string {
+	return ""
+}
+
+func NewLoadBalance(option *GroupCommonOption, providers []P.ProxyProvider, strategy string) (lb *LoadBalance, err error) {
 	var strategyFn strategyFn
 	switch strategy {
 	case "consistent-hashing":

adapter/outboundgroup/parser.go

@@ -11,7 +11,7 @@ import (
 	"github.com/metacubex/mihomo/common/structure"
 	"github.com/metacubex/mihomo/common/utils"
 	C "github.com/metacubex/mihomo/constant"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	"github.com/metacubex/mihomo/log"
 )
 
@@ -48,7 +48,7 @@ type GroupCommonOption struct {
 	RoutingMark int    `group:"routing-mark,omitempty"`
 }
 
-func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider, AllProxies []string, AllProviders []string) (C.ProxyAdapter, error) {
+func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, providersMap map[string]P.ProxyProvider, AllProxies []string, AllProviders []string) (C.ProxyAdapter, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "group", WeaklyTypedInput: true})
 
 	groupOption := &GroupCommonOption{
@@ -71,7 +71,7 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 
 	groupName := groupOption.Name
 
-	providers := []types.ProxyProvider{}
+	providers := []P.ProxyProvider{}
 
 	if groupOption.IncludeAll {
 		groupOption.IncludeAllProviders = true
@@ -169,7 +169,7 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 			return nil, fmt.Errorf("%s: %w", groupName, err)
 		}
 
-		providers = append([]types.ProxyProvider{pd}, providers...)
+		providers = append([]P.ProxyProvider{pd}, providers...)
 		providersMap[groupName] = pd
 	}
 
@@ -186,7 +186,7 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 		strategy := parseStrategy(config)
 		return NewLoadBalance(groupOption, providers, strategy)
 	case "relay":
-		group = NewRelay(groupOption, providers)
+		return nil, fmt.Errorf("%w: The group [%s] with relay type was removed, please using dialer-proxy instead", errType, groupName)
 	default:
 		return nil, fmt.Errorf("%w: %s", errType, groupOption.Type)
 	}
@@ -206,15 +206,15 @@ func getProxies(mapping map[string]C.Proxy, list []string) ([]C.Proxy, error) {
 	return ps, nil
 }
 
-func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]types.ProxyProvider, error) {
-	var ps []types.ProxyProvider
+func getProviders(mapping map[string]P.ProxyProvider, list []string) ([]P.ProxyProvider, error) {
+	var ps []P.ProxyProvider
 	for _, name := range list {
 		p, ok := mapping[name]
 		if !ok {
 			return nil, fmt.Errorf("'%s' not found", name)
 		}
 
-		if p.VehicleType() == types.Compatible {
+		if p.VehicleType() == P.Compatible {
 			return nil, fmt.Errorf("proxy group %s can't contains in `use`", name)
 		}
 		ps = append(ps, p)
@@ -222,7 +222,7 @@ func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]type
 	return ps, nil
 }
 
-func addTestUrlToProviders(providers []types.ProxyProvider, url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
+func addTestUrlToProviders(providers []P.ProxyProvider, url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
 	if len(providers) == 0 || len(url) == 0 {
 		return
 	}

adapter/outboundgroup/patch_android.go

@@ -1,64 +0,0 @@
-//go:build android && cmfa
-
-package outboundgroup
-
-import (
-	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
-)
-
-type ProxyGroup interface {
-	C.ProxyAdapter
-
-	Providers() []provider.ProxyProvider
-	Proxies() []C.Proxy
-	Now() string
-}
-
-func (f *Fallback) Providers() []provider.ProxyProvider {
-	return f.providers
-}
-
-func (lb *LoadBalance) Providers() []provider.ProxyProvider {
-	return lb.providers
-}
-
-func (f *Fallback) Proxies() []C.Proxy {
-	return f.GetProxies(false)
-}
-
-func (lb *LoadBalance) Proxies() []C.Proxy {
-	return lb.GetProxies(false)
-}
-
-func (lb *LoadBalance) Now() string {
-	return ""
-}
-
-func (r *Relay) Providers() []provider.ProxyProvider {
-	return r.providers
-}
-
-func (r *Relay) Proxies() []C.Proxy {
-	return r.GetProxies(false)
-}
-
-func (r *Relay) Now() string {
-	return ""
-}
-
-func (s *Selector) Providers() []provider.ProxyProvider {
-	return s.providers
-}
-
-func (s *Selector) Proxies() []C.Proxy {
-	return s.GetProxies(false)
-}
-
-func (u *URLTest) Providers() []provider.ProxyProvider {
-	return u.providers
-}
-
-func (u *URLTest) Proxies() []C.Proxy {
-	return u.GetProxies(false)
-}

adapter/outboundgroup/relay.go

@@ -1,163 +0,0 @@
-package outboundgroup
-
-import (
-	"context"
-	"encoding/json"
-
-	"github.com/metacubex/mihomo/adapter/outbound"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
-	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
-	"github.com/metacubex/mihomo/log"
-)
-
-type Relay struct {
-	*GroupBase
-	Hidden bool
-	Icon   string
-}
-
-// DialContext implements C.ProxyAdapter
-func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
-	proxies, chainProxies := r.proxies(metadata, true)
-
-	switch len(proxies) {
-	case 0:
-		return outbound.NewDirect().DialContext(ctx, metadata)
-	case 1:
-		return proxies[0].DialContext(ctx, metadata)
-	}
-	var d C.Dialer
-	d = dialer.NewDialer()
-	for _, proxy := range proxies[:len(proxies)-1] {
-		d = proxydialer.New(proxy, d, false)
-	}
-	last := proxies[len(proxies)-1]
-	conn, err := last.DialContextWithDialer(ctx, d, metadata)
-	if err != nil {
-		return nil, err
-	}
-
-	for i := len(chainProxies) - 2; i >= 0; i-- {
-		conn.AppendToChains(chainProxies[i])
-	}
-
-	conn.AppendToChains(r)
-
-	return conn, nil
-}
-
-// ListenPacketContext implements C.ProxyAdapter
-func (r *Relay) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
-	proxies, chainProxies := r.proxies(metadata, true)
-
-	switch len(proxies) {
-	case 0:
-		return outbound.NewDirect().ListenPacketContext(ctx, metadata)
-	case 1:
-		return proxies[0].ListenPacketContext(ctx, metadata)
-	}
-
-	var d C.Dialer
-	d = dialer.NewDialer()
-	for _, proxy := range proxies[:len(proxies)-1] {
-		d = proxydialer.New(proxy, d, false)
-	}
-	last := proxies[len(proxies)-1]
-	pc, err := last.ListenPacketWithDialer(ctx, d, metadata)
-	if err != nil {
-		return nil, err
-	}
-
-	for i := len(chainProxies) - 2; i >= 0; i-- {
-		pc.AppendToChains(chainProxies[i])
-	}
-
-	pc.AppendToChains(r)
-
-	return pc, nil
-}
-
-// SupportUDP implements C.ProxyAdapter
-func (r *Relay) SupportUDP() bool {
-	proxies, _ := r.proxies(nil, false)
-	if len(proxies) == 0 { // C.Direct
-		return true
-	}
-	for i := len(proxies) - 1; i >= 0; i-- {
-		proxy := proxies[i]
-		if !proxy.SupportUDP() {
-			return false
-		}
-		if proxy.SupportUOT() {
-			return true
-		}
-		switch proxy.SupportWithDialer() {
-		case C.ALLNet:
-		case C.UDP:
-		default: // C.TCP and C.InvalidNet
-			return false
-		}
-	}
-	return true
-}
-
-// MarshalJSON implements C.ProxyAdapter
-func (r *Relay) MarshalJSON() ([]byte, error) {
-	all := []string{}
-	for _, proxy := range r.GetProxies(false) {
-		all = append(all, proxy.Name())
-	}
-	return json.Marshal(map[string]any{
-		"type":   r.Type().String(),
-		"all":    all,
-		"hidden": r.Hidden,
-		"icon":   r.Icon,
-	})
-}
-
-func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy) {
-	rawProxies := r.GetProxies(touch)
-
-	var proxies []C.Proxy
-	var chainProxies []C.Proxy
-	var targetProxies []C.Proxy
-
-	for n, proxy := range rawProxies {
-		proxies = append(proxies, proxy)
-		chainProxies = append(chainProxies, proxy)
-		subproxy := proxy.Unwrap(metadata, touch)
-		for subproxy != nil {
-			chainProxies = append(chainProxies, subproxy)
-			proxies[n] = subproxy
-			subproxy = subproxy.Unwrap(metadata, touch)
-		}
-	}
-
-	for _, proxy := range proxies {
-		if proxy.Type() != C.Direct && proxy.Type() != C.Compatible {
-			targetProxies = append(targetProxies, proxy)
-		}
-	}
-
-	return targetProxies, chainProxies
-}
-
-func (r *Relay) Addr() string {
-	proxies, _ := r.proxies(nil, false)
-	return proxies[len(proxies)-1].Addr()
-}
-
-func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Relay {
-	log.Warnln("The group [%s] with relay type is deprecated, please using dialer-proxy instead", option.Name)
-	return &Relay{
-		GroupBase: NewGroupBase(GroupBaseOption{
-			Name:      option.Name,
-			Type:      C.Relay,
-			Providers: providers,
-		}),
-		Hidden: option.Hidden,
-		Icon:   option.Icon,
-	}
-}

adapter/outboundgroup/selector.go

@@ -6,7 +6,7 @@ import (
 	"errors"
 
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 )
 
 type Selector struct {
@@ -108,7 +108,15 @@ func (s *Selector) selectedProxy(touch bool) C.Proxy {
 	return proxies[0]
 }
 
-func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider) *Selector {
+func (s *Selector) Providers() []P.ProxyProvider {
+	return s.providers
+}
+
+func (s *Selector) Proxies() []C.Proxy {
+	return s.GetProxies(false)
+}
+
+func NewSelector(option *GroupCommonOption, providers []P.ProxyProvider) *Selector {
 	return &Selector{
 		GroupBase: NewGroupBase(GroupBaseOption{
 			Name:           option.Name,

adapter/outboundgroup/urltest.go

@@ -11,7 +11,7 @@ import (
 	"github.com/metacubex/mihomo/common/singledo"
 	"github.com/metacubex/mihomo/common/utils"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 )
 
 type urlTestOption func(*URLTest)
@@ -185,6 +185,14 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
 	})
 }
 
+func (u *URLTest) Providers() []P.ProxyProvider {
+	return u.providers
+}
+
+func (u *URLTest) Proxies() []C.Proxy {
+	return u.GetProxies(false)
+}
+
 func (u *URLTest) URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (map[string]uint16, error) {
 	return u.GroupBase.URLTest(ctx, u.testUrl, expectedStatus)
 }
@@ -202,7 +210,7 @@ func parseURLTestOption(config map[string]any) []urlTestOption {
 	return opts
 }
 
-func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, options ...urlTestOption) *URLTest {
+func NewURLTest(option *GroupCommonOption, providers []P.ProxyProvider, options ...urlTestOption) *URLTest {
 	urlTest := &URLTest{
 		GroupBase: NewGroupBase(GroupBaseOption{
 			Name:           option.Name,

adapter/outboundgroup/util.go

@@ -1,5 +1,29 @@
 package outboundgroup
 
+import (
+	"context"
+
+	"github.com/metacubex/mihomo/common/utils"
+	C "github.com/metacubex/mihomo/constant"
+	P "github.com/metacubex/mihomo/constant/provider"
+)
+
+type ProxyGroup interface {
+	C.ProxyAdapter
+
+	Providers() []P.ProxyProvider
+	Proxies() []C.Proxy
+	Now() string
+	Touch()
+
+	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (mp map[string]uint16, err error)
+}
+
+var _ ProxyGroup = (*Fallback)(nil)
+var _ ProxyGroup = (*LoadBalance)(nil)
+var _ ProxyGroup = (*URLTest)(nil)
+var _ ProxyGroup = (*Selector)(nil)
+
 type SelectAble interface {
 	Set(string) error
 	ForceSet(name string)

adapter/parser.go

@@ -8,150 +8,164 @@ import (
 	C "github.com/metacubex/mihomo/constant"
 )
 
-func ParseProxy(mapping map[string]any) (C.Proxy, error) {
+func ParseProxy(mapping map[string]any, options ...ProxyOption) (C.Proxy, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "proxy", WeaklyTypedInput: true, KeyReplacer: structure.DefaultKeyReplacer})
 	proxyType, existType := mapping["type"].(string)
 	if !existType {
 		return nil, fmt.Errorf("missing type")
 	}
 
+	opt := applyProxyOptions(options...)
+	basicOption := outbound.BasicOption{
+		DialerForAPI: opt.DialerForAPI,
+		ProviderName: opt.ProviderName,
+	}
+
 	var (
 		proxy outbound.ProxyAdapter
 		err   error
 	)
 	switch proxyType {
 	case "ss":
-		ssOption := &outbound.ShadowSocksOption{}
+		ssOption := &outbound.ShadowSocksOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, ssOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewShadowSocks(*ssOption)
 	case "ssr":
-		ssrOption := &outbound.ShadowSocksROption{}
+		ssrOption := &outbound.ShadowSocksROption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, ssrOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewShadowSocksR(*ssrOption)
 	case "socks5":
-		socksOption := &outbound.Socks5Option{}
+		socksOption := &outbound.Socks5Option{BasicOption: basicOption}
 		err = decoder.Decode(mapping, socksOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewSocks5(*socksOption)
 	case "http":
-		httpOption := &outbound.HttpOption{}
+		httpOption := &outbound.HttpOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, httpOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewHttp(*httpOption)
 	case "vmess":
-		vmessOption := &outbound.VmessOption{
-			HTTPOpts: outbound.HTTPOptions{
-				Method: "GET",
-				Path:   []string{"/"},
-			},
-		}
-
+		vmessOption := &outbound.VmessOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, vmessOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewVmess(*vmessOption)
 	case "vless":
-		vlessOption := &outbound.VlessOption{}
+		vlessOption := &outbound.VlessOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, vlessOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewVless(*vlessOption)
 	case "snell":
-		snellOption := &outbound.SnellOption{}
+		snellOption := &outbound.SnellOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, snellOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewSnell(*snellOption)
 	case "trojan":
-		trojanOption := &outbound.TrojanOption{}
+		trojanOption := &outbound.TrojanOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, trojanOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewTrojan(*trojanOption)
 	case "hysteria":
-		hyOption := &outbound.HysteriaOption{}
+		hyOption := &outbound.HysteriaOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, hyOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewHysteria(*hyOption)
 	case "hysteria2":
-		hyOption := &outbound.Hysteria2Option{}
+		hyOption := &outbound.Hysteria2Option{BasicOption: basicOption}
 		err = decoder.Decode(mapping, hyOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewHysteria2(*hyOption)
 	case "wireguard":
-		wgOption := &outbound.WireGuardOption{}
+		wgOption := &outbound.WireGuardOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, wgOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewWireGuard(*wgOption)
 	case "tuic":
-		tuicOption := &outbound.TuicOption{}
+		tuicOption := &outbound.TuicOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, tuicOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewTuic(*tuicOption)
 	case "direct":
-		directOption := &outbound.DirectOption{}
+		directOption := &outbound.DirectOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, directOption)
 		if err != nil {
 			break
 		}
 		proxy = outbound.NewDirectWithOption(*directOption)
 	case "dns":
-		dnsOptions := &outbound.DnsOption{}
+		dnsOptions := &outbound.DnsOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, dnsOptions)
 		if err != nil {
 			break
 		}
 		proxy = outbound.NewDnsWithOption(*dnsOptions)
 	case "reject":
-		rejectOption := &outbound.RejectOption{}
+		rejectOption := &outbound.RejectOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, rejectOption)
 		if err != nil {
 			break
 		}
 		proxy = outbound.NewRejectWithOption(*rejectOption)
 	case "ssh":
-		sshOption := &outbound.SshOption{}
+		sshOption := &outbound.SshOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, sshOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewSsh(*sshOption)
 	case "mieru":
-		mieruOption := &outbound.MieruOption{}
+		mieruOption := &outbound.MieruOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, mieruOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewMieru(*mieruOption)
 	case "anytls":
-		anytlsOption := &outbound.AnyTLSOption{}
+		anytlsOption := &outbound.AnyTLSOption{BasicOption: basicOption}
 		err = decoder.Decode(mapping, anytlsOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewAnyTLS(*anytlsOption)
+	case "sudoku":
+		sudokuOption := &outbound.SudokuOption{BasicOption: basicOption}
+		err = decoder.Decode(mapping, sudokuOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewSudoku(*sudokuOption)
+	case "masque":
+		masqueOption := &outbound.MasqueOption{BasicOption: basicOption}
+		err = decoder.Decode(mapping, masqueOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewMasque(*masqueOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}
@@ -177,3 +191,30 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 	proxy = outbound.NewAutoCloseProxyAdapter(proxy)
 	return NewProxy(proxy), nil
 }
+
+type proxyOption struct {
+	DialerForAPI C.Dialer
+	ProviderName string
+}
+
+func applyProxyOptions(options ...ProxyOption) proxyOption {
+	opt := proxyOption{}
+	for _, o := range options {
+		o(&opt)
+	}
+	return opt
+}
+
+type ProxyOption func(opt *proxyOption)
+
+func WithDialerForAPI(dialer C.Dialer) ProxyOption {
+	return func(opt *proxyOption) {
+		opt.DialerForAPI = dialer
+	}
+}
+
+func WithProviderName(name string) ProxyOption {
+	return func(opt *proxyOption) {
+		opt.ProviderName = name
+	}
+}

adapter/provider/override.go

@@ -0,0 +1,88 @@
+package provider
+
+import (
+	"encoding"
+	"fmt"
+
+	"github.com/dlclark/regexp2"
+)
+
+type overrideSchema struct {
+	TFO            *bool   `provider:"tfo,omitempty"`
+	MPTcp          *bool   `provider:"mptcp,omitempty"`
+	UDP            *bool   `provider:"udp,omitempty"`
+	UDPOverTCP     *bool   `provider:"udp-over-tcp,omitempty"`
+	Up             *string `provider:"up,omitempty"`
+	Down           *string `provider:"down,omitempty"`
+	DialerProxy    *string `provider:"dialer-proxy,omitempty"`
+	SkipCertVerify *bool   `provider:"skip-cert-verify,omitempty"`
+	Interface      *string `provider:"interface-name,omitempty"`
+	RoutingMark    *int    `provider:"routing-mark,omitempty"`
+	IPVersion      *string `provider:"ip-version,omitempty"`
+
+	AdditionalPrefix *string                   `provider:"additional-prefix,omitempty"`
+	AdditionalSuffix *string                   `provider:"additional-suffix,omitempty"`
+	ProxyName        []overrideProxyNameSchema `provider:"proxy-name,omitempty"`
+}
+
+type overrideProxyNameSchema struct {
+	// matching expression for regex replacement
+	Pattern *regexp2.Regexp `provider:"pattern"`
+	// the new content after regex matching
+	Target string `provider:"target"`
+}
+
+var _ encoding.TextUnmarshaler = (*regexp2.Regexp)(nil) // ensure *regexp2.Regexp can decode direct by structure package
+
+func (o *overrideSchema) Apply(mapping map[string]any) error {
+	if o.TFO != nil {
+		mapping["tfo"] = *o.TFO
+	}
+	if o.MPTcp != nil {
+		mapping["mptcp"] = *o.MPTcp
+	}
+	if o.UDP != nil {
+		mapping["udp"] = *o.UDP
+	}
+	if o.UDPOverTCP != nil {
+		mapping["udp-over-tcp"] = *o.UDPOverTCP
+	}
+	if o.Up != nil {
+		mapping["up"] = *o.Up
+	}
+	if o.Down != nil {
+		mapping["down"] = *o.Down
+	}
+	if o.DialerProxy != nil {
+		mapping["dialer-proxy"] = *o.DialerProxy
+	}
+	if o.SkipCertVerify != nil {
+		mapping["skip-cert-verify"] = *o.SkipCertVerify
+	}
+	if o.Interface != nil {
+		mapping["interface"] = *o.Interface
+	}
+	if o.RoutingMark != nil {
+		mapping["routing-mark"] = *o.RoutingMark
+	}
+	if o.IPVersion != nil {
+		mapping["ip-version"] = *o.IPVersion
+	}
+
+	for _, expr := range o.ProxyName {
+		name := mapping["name"].(string)
+		newName, err := expr.Pattern.Replace(name, expr.Target, 0, -1)
+		if err != nil {
+			return fmt.Errorf("proxy name replace error: %w", err)
+		}
+		mapping["name"] = newName
+	}
+	if o.AdditionalPrefix != nil {
+		mapping["name"] = fmt.Sprintf("%s%s", *o.AdditionalPrefix, mapping["name"])
+	}
+	if o.AdditionalSuffix != nil {
+		mapping["name"] = fmt.Sprintf("%s%s", mapping["name"], *o.AdditionalSuffix)
+	}
+
+	return nil
+}

adapter/provider/parser.go

@@ -1,7 +1,6 @@
 package provider
 
 import (
-	"encoding"
 	"errors"
 	"fmt"
 	"time"
@@ -10,9 +9,7 @@ import (
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/resource"
 	C "github.com/metacubex/mihomo/constant"
-	types "github.com/metacubex/mihomo/constant/provider"
-
-	"github.com/dlclark/regexp2"
+	P "github.com/metacubex/mihomo/constant/provider"
 )
 
 var (
@@ -28,33 +25,6 @@ type healthCheckSchema struct {
 	ExpectedStatus string `provider:"expected-status,omitempty"`
 }
 
-type OverrideProxyNameSchema struct {
-	// matching expression for regex replacement
-	Pattern *regexp2.Regexp `provider:"pattern"`
-	// the new content after regex matching
-	Target string `provider:"target"`
-}
-
-var _ encoding.TextUnmarshaler = (*regexp2.Regexp)(nil) // ensure *regexp2.Regexp can decode direct by structure package
-
-type OverrideSchema struct {
-	TFO              *bool   `provider:"tfo,omitempty"`
-	MPTcp            *bool   `provider:"mptcp,omitempty"`
-	UDP              *bool   `provider:"udp,omitempty"`
-	UDPOverTCP       *bool   `provider:"udp-over-tcp,omitempty"`
-	Up               *string `provider:"up,omitempty"`
-	Down             *string `provider:"down,omitempty"`
-	DialerProxy      *string `provider:"dialer-proxy,omitempty"`
-	SkipCertVerify   *bool   `provider:"skip-cert-verify,omitempty"`
-	Interface        *string `provider:"interface-name,omitempty"`
-	RoutingMark      *int    `provider:"routing-mark,omitempty"`
-	IPVersion        *string `provider:"ip-version,omitempty"`
-	AdditionalPrefix *string `provider:"additional-prefix,omitempty"`
-	AdditionalSuffix *string `provider:"additional-suffix,omitempty"`
-
-	ProxyName []OverrideProxyNameSchema `provider:"proxy-name,omitempty"`
-}
-
 type proxyProviderSchema struct {
 	Type          string           `provider:"type"`
 	Path          string           `provider:"path,omitempty"`
@@ -69,11 +39,11 @@ type proxyProviderSchema struct {
 	Payload       []map[string]any `provider:"payload,omitempty"`
 
 	HealthCheck healthCheckSchema   `provider:"health-check,omitempty"`
-	Override    OverrideSchema      `provider:"override,omitempty"`
+	Override    overrideSchema      `provider:"override,omitempty"`
 	Header      map[string][]string `provider:"header,omitempty"`
 }
 
-func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvider, error) {
+func ParseProxyProvider(name string, mapping map[string]any) (P.ProxyProvider, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
 
 	schema := &proxyProviderSchema{
@@ -99,15 +69,18 @@ func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvide
 	}
 	hc := NewHealthCheck([]C.Proxy{}, schema.HealthCheck.URL, uint(schema.HealthCheck.TestTimeout), hcInterval, schema.HealthCheck.Lazy, expectedStatus)
 
-	parser, err := NewProxiesParser(schema.Filter, schema.ExcludeFilter, schema.ExcludeType, schema.DialerProxy, schema.Override)
+	parser, err := NewProxiesParser(name, schema.Filter, schema.ExcludeFilter, schema.ExcludeType, schema.DialerProxy, schema.Override)
 	if err != nil {
 		return nil, err
 	}
 
-	var vehicle types.Vehicle
+	var vehicle P.Vehicle
 	switch schema.Type {
 	case "file":
 		path := C.Path.Resolve(schema.Path)
+		if !C.Path.IsSafePath(path) {
+			return nil, C.Path.ErrNotSafePath(path)
+		}
 		vehicle = resource.NewFileVehicle(path)
 	case "http":
 		path := C.Path.GetPathByHash("proxies", schema.URL)

adapter/provider/provider.go

@@ -4,23 +4,23 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net/http"
-	"reflect"
 	"runtime"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/metacubex/mihomo/adapter"
 	"github.com/metacubex/mihomo/common/convert"
 	"github.com/metacubex/mihomo/common/utils"
+	"github.com/metacubex/mihomo/common/yaml"
 	"github.com/metacubex/mihomo/component/profile/cachefile"
 	"github.com/metacubex/mihomo/component/resource"
 	C "github.com/metacubex/mihomo/constant"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	"github.com/metacubex/mihomo/tunnel/statistic"
 
 	"github.com/dlclark/regexp2"
-	"gopkg.in/yaml.v3"
+	"github.com/metacubex/http"
 )
 
 const (
@@ -43,6 +43,7 @@ type providerForApi struct {
 }
 
 type baseProvider struct {
+	mutex       sync.RWMutex
 	name        string
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
@@ -54,6 +55,8 @@ func (bp *baseProvider) Name() string {
 }
 
 func (bp *baseProvider) Version() uint32 {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.version
 }
 
@@ -68,15 +71,19 @@ func (bp *baseProvider) HealthCheck() {
 	bp.healthCheck.check()
 }
 
-func (bp *baseProvider) Type() types.ProviderType {
-	return types.Proxy
+func (bp *baseProvider) Type() P.ProviderType {
+	return P.Proxy
 }
 
 func (bp *baseProvider) Proxies() []C.Proxy {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.proxies
 }
 
 func (bp *baseProvider) Count() int {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return len(bp.proxies)
 }
 
@@ -93,6 +100,8 @@ func (bp *baseProvider) RegisterHealthCheckTask(url string, expectedStatus utils
 }
 
 func (bp *baseProvider) setProxies(proxies []C.Proxy) {
+	bp.mutex.Lock()
+	defer bp.mutex.Unlock()
 	bp.proxies = proxies
 	bp.version += 1
 	bp.healthCheck.setProxies(proxies)
@@ -156,7 +165,7 @@ func (pp *proxySetProvider) Initial() error {
 
 func (pp *proxySetProvider) closeAllConnections() {
 	statistic.DefaultManager.Range(func(c statistic.Tracker) bool {
-		for _, chain := range c.Chains() {
+		for _, chain := range c.ProviderChains() {
 			if chain == pp.Name() {
 				_ = c.Close()
 				break
@@ -171,7 +180,7 @@ func (pp *proxySetProvider) Close() error {
 	return pp.Fetcher.Close()
 }
 
-func NewProxySetProvider(name string, interval time.Duration, payload []map[string]any, parser resource.Parser[[]C.Proxy], vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
+func NewProxySetProvider(name string, interval time.Duration, payload []map[string]any, parser resource.Parser[[]C.Proxy], vehicle P.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
 	pd := &proxySetProvider{
 		baseProvider: baseProvider{
 			name:        name,
@@ -238,8 +247,8 @@ func (ip *inlineProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (ip *inlineProvider) VehicleType() types.VehicleType {
-	return types.Inline
+func (ip *inlineProvider) VehicleType() P.VehicleType {
+	return P.Inline
 }
 
 func (ip *inlineProvider) Update() error {
@@ -303,8 +312,8 @@ func (cp *compatibleProvider) Update() error {
 	return nil
 }
 
-func (cp *compatibleProvider) VehicleType() types.VehicleType {
-	return types.Compatible
+func (cp *compatibleProvider) VehicleType() P.VehicleType {
+	return P.Compatible
 }
 
 func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvider, error) {
@@ -330,16 +339,23 @@ func (cp *CompatibleProvider) Close() error {
 	return cp.compatibleProvider.Close()
 }
 
-func NewProxiesParser(filter string, excludeFilter string, excludeType string, dialerProxy string, override OverrideSchema) (resource.Parser[[]C.Proxy], error) {
-	excludeFilterReg, err := regexp2.Compile(excludeFilter, regexp2.None)
-	if err != nil {
-		return nil, fmt.Errorf("invalid excludeFilter regex: %w", err)
-	}
+func NewProxiesParser(pdName string, filter string, excludeFilter string, excludeType string, dialerProxy string, override overrideSchema) (resource.Parser[[]C.Proxy], error) {
 	var excludeTypeArray []string
 	if excludeType != "" {
 		excludeTypeArray = strings.Split(excludeType, "|")
 	}
 
+	var excludeFilterRegs []*regexp2.Regexp
+	if excludeFilter != "" {
+		for _, excludeFilter := range strings.Split(excludeFilter, "`") {
+			excludeFilterReg, err := regexp2.Compile(excludeFilter, regexp2.None)
+			if err != nil {
+				return nil, fmt.Errorf("invalid excludeFilter regex: %w", err)
+			}
+			excludeFilterRegs = append(excludeFilterRegs, excludeFilterReg)
+		}
+	}
+
 	var filterRegs []*regexp2.Regexp
 	for _, filter := range strings.Split(filter, "`") {
 		filterReg, err := regexp2.Compile(filter, regexp2.None)
@@ -367,8 +383,9 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 		proxies := []C.Proxy{}
 		proxiesSet := map[string]struct{}{}
 		for _, filterReg := range filterRegs {
+		LOOP1:
 			for idx, mapping := range schema.Proxies {
-				if nil != excludeTypeArray && len(excludeTypeArray) > 0 {
+				if len(excludeTypeArray) > 0 {
 					mType, ok := mapping["type"]
 					if !ok {
 						continue
@@ -377,18 +394,11 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 					if !ok {
 						continue
 					}
-					flag := false
-					for i := range excludeTypeArray {
-						if strings.EqualFold(pType, excludeTypeArray[i]) {
-							flag = true
-							break
+					for _, excludeType := range excludeTypeArray {
+						if strings.EqualFold(pType, excludeType) {
+							continue LOOP1
 						}
-
 					}
-					if flag {
-						continue
-					}
-
 				}
 				mName, ok := mapping["name"]
 				if !ok {
@@ -398,9 +408,11 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 				if !ok {
 					continue
 				}
-				if len(excludeFilter) > 0 {
-					if mat, _ := excludeFilterReg.MatchString(name); mat {
-						continue
+				if len(excludeFilterRegs) > 0 {
+					for _, excludeFilterReg := range excludeFilterRegs {
+						if mat, _ := excludeFilterReg.MatchString(name); mat {
+							continue LOOP1
+						}
 					}
 				}
 				if len(filter) > 0 {
@@ -416,36 +428,12 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 					mapping["dialer-proxy"] = dialerProxy
 				}
 
-				val := reflect.ValueOf(override)
-				for i := 0; i < val.NumField(); i++ {
-					field := val.Field(i)
-					if field.IsNil() {
-						continue
-					}
-					fieldName := strings.Split(val.Type().Field(i).Tag.Get("provider"), ",")[0]
-					switch fieldName {
-					case "additional-prefix":
-						name := mapping["name"].(string)
-						mapping["name"] = *field.Interface().(*string) + name
-					case "additional-suffix":
-						name := mapping["name"].(string)
-						mapping["name"] = name + *field.Interface().(*string)
-					case "proxy-name":
-						// Iterate through all naming replacement rules and perform the replacements.
-						for _, expr := range override.ProxyName {
-							name := mapping["name"].(string)
-							newName, err := expr.Pattern.Replace(name, expr.Target, 0, -1)
-							if err != nil {
-								return nil, fmt.Errorf("proxy name replace error: %w", err)
-							}
-							mapping["name"] = newName
-						}
-					default:
-						mapping[fieldName] = field.Elem().Interface()
-					}
+				err := override.Apply(mapping)
+				if err != nil {
+					return nil, fmt.Errorf("proxy %d override error: %w", idx, err)
 				}
 
-				proxy, err := adapter.ParseProxy(mapping)
+				proxy, err := adapter.ParseProxy(mapping, adapter.WithProviderName(pdName))
 				if err != nil {
 					return nil, fmt.Errorf("proxy %d error: %w", idx, err)
 				}

android_tz.go

@@ -1,6 +1,8 @@
 // Copyright 2014 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
+//go:build android && cgo
+// +build android,cgo
 
 // kanged from https://github.com/golang/mobile/blob/c713f31d574bb632a93f169b2cc99c9e753fef0e/app/android.go#L89
 

common/atomic/value.go

@@ -5,58 +5,50 @@ import (
 	"sync/atomic"
 )
 
-func DefaultValue[T any]() T {
-	var defaultValue T
-	return defaultValue
-}
-
 type TypedValue[T any] struct {
-	_     noCopy
-	value atomic.Value
+	value atomic.Pointer[T]
 }
 
-// tValue is a struct with determined type to resolve atomic.Value usages with interface types
-// https://github.com/golang/go/issues/22550
-//
-// The intention to have an atomic value store for errors. However, running this code panics:
-// panic: sync/atomic: store of inconsistently typed value into Value
-// This is because atomic.Value requires that the underlying concrete type be the same (which is a reasonable expectation for its implementation).
-// When going through the atomic.Value.Store method call, the fact that both these are of the error interface is lost.
-type tValue[T any] struct {
-	value T
+func (t *TypedValue[T]) Load() (v T) {
+	v, _ = t.LoadOk()
+	return
 }
 
-func (t *TypedValue[T]) Load() T {
-	value, _ := t.LoadOk()
-	return value
-}
-
-func (t *TypedValue[T]) LoadOk() (_ T, ok bool) {
+func (t *TypedValue[T]) LoadOk() (v T, ok bool) {
 	value := t.value.Load()
 	if value == nil {
-		return DefaultValue[T](), false
+		return
 	}
-	return value.(tValue[T]).value, true
+	return *value, true
 }
 
 func (t *TypedValue[T]) Store(value T) {
-	t.value.Store(tValue[T]{value})
+	t.value.Store(&value)
 }
 
-func (t *TypedValue[T]) Swap(new T) T {
-	old := t.value.Swap(tValue[T]{new})
+func (t *TypedValue[T]) Swap(new T) (v T) {
+	old := t.value.Swap(&new)
 	if old == nil {
-		return DefaultValue[T]()
+		return
 	}
-	return old.(tValue[T]).value
+	return *old
 }
 
 func (t *TypedValue[T]) CompareAndSwap(old, new T) bool {
-	return t.value.CompareAndSwap(tValue[T]{old}, tValue[T]{new}) ||
-		// In the edge-case where [atomic.Value.Store] is uninitialized
-		// and trying to compare with the zero value of T,
-		// then compare-and-swap with the nil any value.
-		(any(old) == any(DefaultValue[T]()) && t.value.CompareAndSwap(any(nil), tValue[T]{new}))
+	for {
+		currentP := t.value.Load()
+		var currentValue T
+		if currentP != nil {
+			currentValue = *currentP
+		}
+		// Compare old and current via runtime equality check.
+		if any(currentValue) != any(old) {
+			return false
+		}
+		if t.value.CompareAndSwap(currentP, &new) {
+			return true
+		}
+	}
 }
 
 func (t *TypedValue[T]) MarshalJSON() ([]byte, error) {
@@ -89,9 +81,3 @@ func NewTypedValue[T any](t T) (v TypedValue[T]) {
 	v.Store(t)
 	return
 }
-
-type noCopy struct{}
-
-// Lock is a no-op used by -copylocks checker from `go vet`.
-func (*noCopy) Lock()   {}
-func (*noCopy) Unlock() {}

common/atomic/value_test.go

@@ -7,20 +7,6 @@ import (
 )
 
 func TestTypedValue(t *testing.T) {
-	{
-		// Always wrapping should not allocate for simple values
-		// because tValue[T] has the same memory layout as T.
-		var v TypedValue[bool]
-		bools := []bool{true, false}
-		if n := int(testing.AllocsPerRun(1000, func() {
-			for _, b := range bools {
-				v.Store(b)
-			}
-		})); n != 0 {
-			t.Errorf("AllocsPerRun = %d, want 0", n)
-		}
-	}
-
 	{
 		var v TypedValue[int]
 		got, gotOk := v.LoadOk()
@@ -58,20 +44,126 @@ func TestTypedValue(t *testing.T) {
 		}
 	}
 
+	{
+		e1, e2, e3 := io.EOF, &os.PathError{}, &os.PathError{}
+		var v TypedValue[error]
+		if v.CompareAndSwap(e1, e2) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != nil {
+			t.Fatalf("Load = (%v), want (%v)", value, nil)
+		}
+		if v.CompareAndSwap(nil, e1) != true {
+			t.Fatalf("CompareAndSwap = false, want true")
+		}
+		if value := v.Load(); value != e1 {
+			t.Fatalf("Load = (%v), want (%v)", value, e1)
+		}
+		if v.CompareAndSwap(e2, e3) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != e1 {
+			t.Fatalf("Load = (%v), want (%v)", value, e1)
+		}
+		if v.CompareAndSwap(e1, e2) != true {
+			t.Fatalf("CompareAndSwap = false, want true")
+		}
+		if value := v.Load(); value != e2 {
+			t.Fatalf("Load = (%v), want (%v)", value, e2)
+		}
+		if v.CompareAndSwap(e3, e2) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != e2 {
+			t.Fatalf("Load = (%v), want (%v)", value, e2)
+		}
+		if v.CompareAndSwap(nil, e3) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != e2 {
+			t.Fatalf("Load = (%v), want (%v)", value, e2)
+		}
+	}
+
 	{
 		c1, c2, c3 := make(chan struct{}), make(chan struct{}), make(chan struct{})
 		var v TypedValue[chan struct{}]
 		if v.CompareAndSwap(c1, c2) != false {
 			t.Fatalf("CompareAndSwap = true, want false")
 		}
+		if value := v.Load(); value != nil {
+			t.Fatalf("Load = (%v), want (%v)", value, nil)
+		}
 		if v.CompareAndSwap(nil, c1) != true {
 			t.Fatalf("CompareAndSwap = false, want true")
 		}
+		if value := v.Load(); value != c1 {
+			t.Fatalf("Load = (%v), want (%v)", value, c1)
+		}
 		if v.CompareAndSwap(c2, c3) != false {
 			t.Fatalf("CompareAndSwap = true, want false")
 		}
+		if value := v.Load(); value != c1 {
+			t.Fatalf("Load = (%v), want (%v)", value, c1)
+		}
 		if v.CompareAndSwap(c1, c2) != true {
 			t.Fatalf("CompareAndSwap = false, want true")
 		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
+		if v.CompareAndSwap(c3, c2) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
+		if v.CompareAndSwap(nil, c3) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
+	}
+
+	{
+		c1, c2, c3 := &io.LimitedReader{}, &io.SectionReader{}, &io.SectionReader{}
+		var v TypedValue[io.Reader]
+		if v.CompareAndSwap(c1, c2) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != nil {
+			t.Fatalf("Load = (%v), want (%v)", value, nil)
+		}
+		if v.CompareAndSwap(nil, c1) != true {
+			t.Fatalf("CompareAndSwap = false, want true")
+		}
+		if value := v.Load(); value != c1 {
+			t.Fatalf("Load = (%v), want (%v)", value, c1)
+		}
+		if v.CompareAndSwap(c2, c3) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != c1 {
+			t.Fatalf("Load = (%v), want (%v)", value, c1)
+		}
+		if v.CompareAndSwap(c1, c2) != true {
+			t.Fatalf("CompareAndSwap = false, want true")
+		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
+		if v.CompareAndSwap(c3, c2) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
+		if v.CompareAndSwap(nil, c3) != false {
+			t.Fatalf("CompareAndSwap = true, want false")
+		}
+		if value := v.Load(); value != c2 {
+			t.Fatalf("Load = (%v), want (%v)", value, c2)
+		}
 	}
 }

common/buf/sing.go

@@ -14,6 +14,7 @@ var NewPacket = buf.NewPacket
 var NewSize = buf.NewSize
 var With = buf.With
 var As = buf.As
+var ReleaseMulti = buf.ReleaseMulti
 
 var (
 	Must  = common.Must

common/convert/converter.go

@@ -201,6 +201,10 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				trojan["client-fingerprint"] = fingerprint
 			}
 
+			if pcs := query.Get("pcs"); pcs != "" {
+				trojan["fingerprint"] = pcs
+			}
+
 			proxies = append(proxies, trojan)
 
 		case "vless":
@@ -208,6 +212,9 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			if err != nil {
 				continue
 			}
+			if decodedHost, err := tryDecodeBase64([]byte(urlVLess.Host)); err == nil {
+				urlVLess.Host = string(decodedHost)
+			}
 			query := urlVLess.Query()
 			vless := make(map[string]any, 20)
 			err = handleVShareLink(names, urlVLess, scheme, vless)
@@ -218,6 +225,9 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			if flow := query.Get("flow"); flow != "" {
 				vless["flow"] = strings.ToLower(flow)
 			}
+			if encryption := query.Get("encryption"); encryption != "" {
+				vless["encryption"] = encryption
+			}
 			proxies = append(proxies, vless)
 
 		case "vmess":

common/convert/util.go

@@ -2,12 +2,12 @@ package convert
 
 import (
 	"encoding/base64"
-	"net/http"
 	"strings"
 	"time"
 
 	"github.com/metacubex/mihomo/common/utils"
 
+	"github.com/metacubex/http"
 	"github.com/metacubex/randv2"
 	"github.com/metacubex/sing-shadowsocks/shadowimpl"
 )

common/convert/v.go

@@ -35,6 +35,9 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 		if alpn := query.Get("alpn"); alpn != "" {
 			proxy["alpn"] = strings.Split(alpn, ",")
 		}
+		if pcs := query.Get("pcs"); pcs != "" {
+			proxy["fingerprint"] = pcs
+		}
 	}
 	if sni := query.Get("sni"); sni != "" {
 		proxy["servername"] = sni

common/deque/deque.go

@@ -0,0 +1,674 @@
+package deque
+
+// copy and modified from https://github.com/gammazero/deque/blob/v1.2.0/deque.go
+// which is licensed under MIT.
+
+import (
+	"fmt"
+)
+
+// minCapacity is the smallest capacity that deque may have. Must be power of 2
+// for bitwise modulus: x % n == x & (n - 1).
+const minCapacity = 8
+
+// Deque represents a single instance of the deque data structure. A Deque
+// instance contains items of the type specified by the type argument.
+//
+// For example, to create a Deque that contains strings do one of the
+// following:
+//
+//	var stringDeque deque.Deque[string]
+//	stringDeque := new(deque.Deque[string])
+//	stringDeque := &deque.Deque[string]{}
+//
+// To create a Deque that will never resize to have space for less than 64
+// items, specify a base capacity:
+//
+//	var d deque.Deque[int]
+//	d.SetBaseCap(64)
+//
+// To ensure the Deque can store 1000 items without needing to resize while
+// items are added:
+//
+//	d.Grow(1000)
+//
+// Any values supplied to [SetBaseCap] and [Grow] are rounded up to the nearest
+// power of 2, since the Deque grows by powers of 2.
+type Deque[T any] struct {
+	buf    []T
+	head   int
+	tail   int
+	count  int
+	minCap int
+}
+
+// Cap returns the current capacity of the Deque. If q is nil, q.Cap() is zero.
+func (q *Deque[T]) Cap() int {
+	if q == nil {
+		return 0
+	}
+	return len(q.buf)
+}
+
+// Len returns the number of elements currently stored in the queue. If q is
+// nil, q.Len() returns zero.
+func (q *Deque[T]) Len() int {
+	if q == nil {
+		return 0
+	}
+	return q.count
+}
+
+// PushBack appends an element to the back of the queue. Implements FIFO when
+// elements are removed with [PopFront], and LIFO when elements are removed with
+// [PopBack].
+func (q *Deque[T]) PushBack(elem T) {
+	q.growIfFull()
+
+	q.buf[q.tail] = elem
+	// Calculate new tail position.
+	q.tail = q.next(q.tail)
+	q.count++
+}
+
+// PushFront prepends an element to the front of the queue.
+func (q *Deque[T]) PushFront(elem T) {
+	q.growIfFull()
+
+	// Calculate new head position.
+	q.head = q.prev(q.head)
+	q.buf[q.head] = elem
+	q.count++
+}
+
+// PopFront removes and returns the element from the front of the queue.
+// Implements FIFO when used with [PushBack]. If the queue is empty, the call
+// panics.
+func (q *Deque[T]) PopFront() T {
+	if q.count <= 0 {
+		panic("deque: PopFront() called on empty queue")
+	}
+	ret := q.buf[q.head]
+	var zero T
+	q.buf[q.head] = zero
+	// Calculate new head position.
+	q.head = q.next(q.head)
+	q.count--
+
+	q.shrinkIfExcess()
+	return ret
+}
+
+// IterPopFront returns an iterator that iteratively removes items from the
+// front of the deque. This is more efficient than removing items one at a time
+// because it avoids intermediate resizing. If a resize is necessary, only one
+// is done when iteration ends.
+func (q *Deque[T]) IterPopFront() func(yield func(T) bool) {
+	return func(yield func(T) bool) {
+		if q.Len() == 0 {
+			return
+		}
+		var zero T
+		for q.count != 0 {
+			ret := q.buf[q.head]
+			q.buf[q.head] = zero
+			q.head = q.next(q.head)
+			q.count--
+			if !yield(ret) {
+				break
+			}
+		}
+		q.shrinkToFit()
+	}
+}
+
+// PopBack removes and returns the element from the back of the queue.
+// Implements LIFO when used with [PushBack]. If the queue is empty, the call
+// panics.
+func (q *Deque[T]) PopBack() T {
+	if q.count <= 0 {
+		panic("deque: PopBack() called on empty queue")
+	}
+
+	// Calculate new tail position
+	q.tail = q.prev(q.tail)
+
+	// Remove value at tail.
+	ret := q.buf[q.tail]
+	var zero T
+	q.buf[q.tail] = zero
+	q.count--
+
+	q.shrinkIfExcess()
+	return ret
+}
+
+// IterPopBack returns an iterator that iteratively removes items from the back
+// of the deque. This is more efficient than removing items one at a time
+// because it avoids intermediate resizing. If a resize is necessary, only one
+// is done when iteration ends.
+func (q *Deque[T]) IterPopBack() func(yield func(T) bool) {
+	return func(yield func(T) bool) {
+		if q.Len() == 0 {
+			return
+		}
+		var zero T
+		for q.count != 0 {
+			q.tail = q.prev(q.tail)
+			ret := q.buf[q.tail]
+			q.buf[q.tail] = zero
+			q.count--
+			if !yield(ret) {
+				break
+			}
+		}
+		q.shrinkToFit()
+	}
+}
+
+// Front returns the element at the front of the queue. This is the element
+// that would be returned by [PopFront]. This call panics if the queue is
+// empty.
+func (q *Deque[T]) Front() T {
+	if q.count <= 0 {
+		panic("deque: Front() called when empty")
+	}
+	return q.buf[q.head]
+}
+
+// Back returns the element at the back of the queue. This is the element that
+// would be returned by [PopBack]. This call panics if the queue is empty.
+func (q *Deque[T]) Back() T {
+	if q.count <= 0 {
+		panic("deque: Back() called when empty")
+	}
+	return q.buf[q.prev(q.tail)]
+}
+
+// At returns the element at index i in the queue without removing the element
+// from the queue. This method accepts only non-negative index values. At(0)
+// refers to the first element and is the same as [Front]. At(Len()-1) refers
+// to the last element and is the same as [Back]. If the index is invalid, the
+// call panics.
+//
+// The purpose of At is to allow Deque to serve as a more general purpose
+// circular buffer, where items are only added to and removed from the ends of
+// the deque, but may be read from any place within the deque. Consider the
+// case of a fixed-size circular log buffer: A new entry is pushed onto one end
+// and when full the oldest is popped from the other end. All the log entries
+// in the buffer must be readable without altering the buffer contents.
+func (q *Deque[T]) At(i int) T {
+	q.checkRange(i)
+	// bitwise modulus
+	return q.buf[(q.head+i)&(len(q.buf)-1)]
+}
+
+// Set assigns the item to index i in the queue. Set indexes the deque the same
+// as [At] but perform the opposite operation. If the index is invalid, the call
+// panics.
+func (q *Deque[T]) Set(i int, item T) {
+	q.checkRange(i)
+	// bitwise modulus
+	q.buf[(q.head+i)&(len(q.buf)-1)] = item
+}
+
+// Iter returns a go iterator to range over all items in the Deque, yielding
+// each item from front (index 0) to back (index Len()-1). Modification of
+// Deque during iteration panics.
+func (q *Deque[T]) Iter() func(yield func(T) bool) {
+	return func(yield func(T) bool) {
+		origHead := q.head
+		origTail := q.tail
+		head := origHead
+		for i := -0; i < q.Len(); i++ {
+			if q.head != origHead || q.tail != origTail {
+				panic("deque: modified during iteration")
+			}
+			if !yield(q.buf[head]) {
+				return
+			}
+			head = q.next(head)
+		}
+	}
+}
+
+// RIter returns a reverse go iterator to range over all items in the Deque,
+// yielding each item from back (index Len()-1) to front (index 0).
+// Modification of Deque during iteration panics.
+func (q *Deque[T]) RIter() func(yield func(T) bool) {
+	return func(yield func(T) bool) {
+		origHead := q.head
+		origTail := q.tail
+		tail := origTail
+		for i := -0; i < q.Len(); i++ {
+			if q.head != origHead || q.tail != origTail {
+				panic("deque: modified during iteration")
+			}
+			tail = q.prev(tail)
+			if !yield(q.buf[tail]) {
+				return
+			}
+		}
+	}
+}
+
+// Clear removes all elements from the queue, but retains the current capacity.
+// This is useful when repeatedly reusing the queue at high frequency to avoid
+// GC during reuse. The queue will not be resized smaller as long as items are
+// only added. Only when items are removed is the queue subject to getting
+// resized smaller.
+func (q *Deque[T]) Clear() {
+	if q.Len() == 0 {
+		return
+	}
+	head, tail := q.head, q.tail
+	q.count = 0
+	q.head = 0
+	q.tail = 0
+
+	if head >= tail {
+		// [DEF....ABC]
+		clearSlice(q.buf[head:])
+		head = 0
+	}
+	clearSlice(q.buf[head:tail])
+}
+
+func clearSlice[S ~[]E, E any](s S) {
+	var zero E
+	for i := range s {
+		s[i] = zero
+	}
+}
+
+// Grow grows deque's capacity, if necessary, to guarantee space for another n
+// items. After Grow(n), at least n items can be written to the deque without
+// another allocation. If n is negative, Grow panics.
+func (q *Deque[T]) Grow(n int) {
+	if n < 0 {
+		panic("deque.Grow: negative count")
+	}
+	c := q.Cap()
+	l := q.Len()
+	// If already big enough.
+	if n <= c-l {
+		return
+	}
+
+	if c == 0 {
+		c = minCapacity
+	}
+
+	newLen := l + n
+	for c < newLen {
+		c <<= 1
+	}
+	if l == 0 {
+		q.buf = make([]T, c)
+		q.head = 0
+		q.tail = 0
+	} else {
+		q.resize(c)
+	}
+}
+
+// Copy copies the contents of the given src Deque into this Deque.
+//
+//	n := b.Copy(a)
+//
+// is an efficient shortcut for
+//
+//	b.Clear()
+//	n := a.Len()
+//	b.Grow(n)
+//	for i := 0; i < n; i++ {
+//		b.PushBack(a.At(i))
+//	}
+func (q *Deque[T]) Copy(src Deque[T]) int {
+	q.Clear()
+	q.Grow(src.Len())
+	n := src.CopyOutSlice(q.buf)
+	q.count = n
+	q.tail = n
+	q.head = 0
+	return n
+}
+
+// AppendToSlice appends from the Deque to the given slice. If the slice has
+// insufficient capacity to store all elements in Deque, then allocate a new
+// slice. Returns the resulting slice.
+//
+//	out = q.AppendToSlice(out)
+//
+// is an efficient shortcut for
+//
+//	for i := 0; i < q.Len(); i++ {
+//		x = append(out, q.At(i))
+//	}
+func (q *Deque[T]) AppendToSlice(out []T) []T {
+	if q.count == 0 {
+		return out
+	}
+
+	head, tail := q.head, q.tail
+
+	if head >= tail {
+		// [DEF....ABC]
+		out = append(out, q.buf[head:]...)
+		head = 0
+	}
+	return append(out, q.buf[head:tail]...)
+}
+
+// CopyInSlice replaces the contents of Deque with all the elements from the
+// given slice, in. If len(in) is zero, then this is equivalent to calling
+// [Clear].
+//
+//	q.CopyInSlice(in)
+//
+// is an efficient shortcut for
+//
+//	q.Clear()
+//	for i := range in {
+//		q.PushBack(in[i])
+//	}
+func (q *Deque[T]) CopyInSlice(in []T) {
+	// Allocate new buffer if more space needed.
+	if len(q.buf) < len(in) {
+		newCap := len(q.buf)
+		if newCap == 0 {
+			newCap = minCapacity
+			q.minCap = minCapacity
+		}
+		for newCap < len(in) {
+			newCap <<= 1
+		}
+		q.buf = make([]T, newCap)
+	} else if len(q.buf) > len(in) {
+		q.Clear()
+	}
+	n := copy(q.buf, in)
+	q.count = n
+	q.tail = n
+	q.head = 0
+}
+
+// CopyOutSlice copies elements from the Deque into the given slice, up to the
+// size of the buffer. Returns the number of elements copied, which will be the
+// minimum of q.Len() and len(out).
+//
+//	n := q.CopyOutSlice(out)
+//
+// is an efficient shortcut for
+//
+//	n := min(len(out), q.Len())
+//	for i := 0; i < n; i++ {
+//	 	out[i] = q.At(i)
+//	}
+//
+// This function is preferable to one that returns a copy of the internal
+// buffer because this allows reuse of memory receiving data, for repeated copy
+// operations.
+func (q *Deque[T]) CopyOutSlice(out []T) int {
+	if q.count == 0 || len(out) == 0 {
+		return 0
+	}
+
+	head, tail := q.head, q.tail
+	var n int
+
+	if head >= tail {
+		// [DEF....ABC]
+		n = copy(out, q.buf[head:])
+		out = out[n:]
+		if len(out) == 0 {
+			return n
+		}
+		head = 0
+	}
+	n += copy(out, q.buf[head:tail])
+
+	return n
+}
+
+// Rotate rotates the deque n steps front-to-back. If n is negative, rotates
+// back-to-front. Having Deque provide Rotate avoids resizing that could happen
+// if implementing rotation using only Pop and Push methods. If q.Len() is one
+// or less, or q is nil, then Rotate does nothing.
+func (q *Deque[T]) Rotate(n int) {
+	if q.Len() <= 1 {
+		return
+	}
+	// Rotating a multiple of q.count is same as no rotation.
+	n %= q.count
+	if n == 0 {
+		return
+	}
+
+	modBits := len(q.buf) - 1
+	// If no empty space in buffer, only move head and tail indexes.
+	if q.head == q.tail {
+		// Calculate new head and tail using bitwise modulus.
+		q.head = (q.head + n) & modBits
+		q.tail = q.head
+		return
+	}
+
+	var zero T
+
+	if n < 0 {
+		// Rotate back to front.
+		for ; n < 0; n++ {
+			// Calculate new head and tail using bitwise modulus.
+			q.head = (q.head - 1) & modBits
+			q.tail = (q.tail - 1) & modBits
+			// Put tail value at head and remove value at tail.
+			q.buf[q.head] = q.buf[q.tail]
+			q.buf[q.tail] = zero
+		}
+		return
+	}
+
+	// Rotate front to back.
+	for ; n > 0; n-- {
+		// Put head value at tail and remove value at head.
+		q.buf[q.tail] = q.buf[q.head]
+		q.buf[q.head] = zero
+		// Calculate new head and tail using bitwise modulus.
+		q.head = (q.head + 1) & modBits
+		q.tail = (q.tail + 1) & modBits
+	}
+}
+
+// Index returns the index into the Deque of the first item satisfying f(item),
+// or -1 if none do. If q is nil, then -1 is always returned. Search is linear
+// starting with index 0.
+func (q *Deque[T]) Index(f func(T) bool) int {
+	if q.Len() > 0 {
+		modBits := len(q.buf) - 1
+		for i := 0; i < q.count; i++ {
+			if f(q.buf[(q.head+i)&modBits]) {
+				return i
+			}
+		}
+	}
+	return -1
+}
+
+// RIndex is the same as Index, but searches from Back to Front. The index
+// returned is from Front to Back, where index 0 is the index of the item
+// returned by [Front].
+func (q *Deque[T]) RIndex(f func(T) bool) int {
+	if q.Len() > 0 {
+		modBits := len(q.buf) - 1
+		for i := q.count - 1; i >= 0; i-- {
+			if f(q.buf[(q.head+i)&modBits]) {
+				return i
+			}
+		}
+	}
+	return -1
+}
+
+// Insert is used to insert an element into the middle of the queue, before the
+// element at the specified index. Insert(0,e) is the same as PushFront(e) and
+// Insert(Len(),e) is the same as PushBack(e). Out of range indexes result in
+// pushing the item onto the front of back of the deque.
+//
+// Important: Deque is optimized for O(1) operations at the ends of the queue,
+// not for operations in the the middle. Complexity of this function is
+// constant plus linear in the lesser of the distances between the index and
+// either of the ends of the queue.
+func (q *Deque[T]) Insert(at int, item T) {
+	if at <= 0 {
+		q.PushFront(item)
+		return
+	}
+	if at >= q.Len() {
+		q.PushBack(item)
+		return
+	}
+	if at*2 < q.count {
+		q.PushFront(item)
+		front := q.head
+		for i := 0; i < at; i++ {
+			next := q.next(front)
+			q.buf[front], q.buf[next] = q.buf[next], q.buf[front]
+			front = next
+		}
+		return
+	}
+	swaps := q.count - at
+	q.PushBack(item)
+	back := q.prev(q.tail)
+	for i := 0; i < swaps; i++ {
+		prev := q.prev(back)
+		q.buf[back], q.buf[prev] = q.buf[prev], q.buf[back]
+		back = prev
+	}
+}
+
+// Remove removes and returns an element from the middle of the queue, at the
+// specified index. Remove(0) is the same as [PopFront] and Remove(Len()-1) is
+// the same as [PopBack]. Accepts only non-negative index values, and panics if
+// index is out of range.
+//
+// Important: Deque is optimized for O(1) operations at the ends of the queue,
+// not for operations in the the middle. Complexity of this function is
+// constant plus linear in the lesser of the distances between the index and
+// either of the ends of the queue.
+func (q *Deque[T]) Remove(at int) T {
+	q.checkRange(at)
+	rm := (q.head + at) & (len(q.buf) - 1)
+	if at*2 < q.count {
+		for i := 0; i < at; i++ {
+			prev := q.prev(rm)
+			q.buf[prev], q.buf[rm] = q.buf[rm], q.buf[prev]
+			rm = prev
+		}
+		return q.PopFront()
+	}
+	swaps := q.count - at - 1
+	for i := 0; i < swaps; i++ {
+		next := q.next(rm)
+		q.buf[rm], q.buf[next] = q.buf[next], q.buf[rm]
+		rm = next
+	}
+	return q.PopBack()
+}
+
+// SetBaseCap sets a base capacity so that at least the specified number of
+// items can always be stored without resizing.
+func (q *Deque[T]) SetBaseCap(baseCap int) {
+	minCap := minCapacity
+	for minCap < baseCap {
+		minCap <<= 1
+	}
+	q.minCap = minCap
+}
+
+// Swap exchanges the two values at idxA and idxB. It panics if either index is
+// out of range.
+func (q *Deque[T]) Swap(idxA, idxB int) {
+	q.checkRange(idxA)
+	q.checkRange(idxB)
+	if idxA == idxB {
+		return
+	}
+
+	realA := (q.head + idxA) & (len(q.buf) - 1)
+	realB := (q.head + idxB) & (len(q.buf) - 1)
+	q.buf[realA], q.buf[realB] = q.buf[realB], q.buf[realA]
+}
+
+func (q *Deque[T]) checkRange(i int) {
+	if i < 0 || i >= q.count {
+		panic(fmt.Sprintf("deque: index out of range %d with length %d", i, q.Len()))
+	}
+}
+
+// prev returns the previous buffer position wrapping around buffer.
+func (q *Deque[T]) prev(i int) int {
+	return (i - 1) & (len(q.buf) - 1) // bitwise modulus
+}
+
+// next returns the next buffer position wrapping around buffer.
+func (q *Deque[T]) next(i int) int {
+	return (i + 1) & (len(q.buf) - 1) // bitwise modulus
+}
+
+// growIfFull resizes up if the buffer is full.
+func (q *Deque[T]) growIfFull() {
+	if q.count != len(q.buf) {
+		return
+	}
+	if len(q.buf) == 0 {
+		if q.minCap == 0 {
+			q.minCap = minCapacity
+		}
+		q.buf = make([]T, q.minCap)
+		return
+	}
+	q.resize(q.count << 1)
+}
+
+// shrinkIfExcess resize down if the buffer 1/4 full.
+func (q *Deque[T]) shrinkIfExcess() {
+	if len(q.buf) > q.minCap && (q.count<<2) == len(q.buf) {
+		q.resize(q.count << 1)
+	}
+}
+
+func (q *Deque[T]) shrinkToFit() {
+	if len(q.buf) > q.minCap && (q.count<<2) <= len(q.buf) {
+		if q.count == 0 {
+			q.head = 0
+			q.tail = 0
+			q.buf = make([]T, q.minCap)
+			return
+		}
+
+		c := q.minCap
+		for c < q.count {
+			c <<= 1
+		}
+		q.resize(c)
+	}
+}
+
+// resize resizes the deque to fit exactly twice its current contents. This is
+// used to grow the queue when it is full, and also to shrink it when it is
+// only a quarter full.
+func (q *Deque[T]) resize(newSize int) {
+	newBuf := make([]T, newSize)
+	if q.tail > q.head {
+		copy(newBuf, q.buf[q.head:q.tail])
+	} else {
+		n := copy(newBuf, q.buf[q.head:])
+		copy(newBuf[n:], q.buf[:q.tail])
+	}
+
+	q.head = 0
+	q.tail = q.count
+	q.buf = newBuf
+}

common/maphash/common.go

@@ -0,0 +1,19 @@
+package maphash
+
+import "hash/maphash"
+
+type Seed = maphash.Seed
+
+func MakeSeed() Seed {
+	return maphash.MakeSeed()
+}
+
+type Hash = maphash.Hash
+
+func Bytes(seed Seed, b []byte) uint64 {
+	return maphash.Bytes(seed, b)
+}
+
+func String(seed Seed, s string) uint64 {
+	return maphash.String(seed, s)
+}

common/maphash/comparable_go120.go

@@ -0,0 +1,142 @@
+//go:build !go1.24
+
+package maphash
+
+import "unsafe"
+
+func Comparable[T comparable](s Seed, v T) uint64 {
+	return comparableHash(*(*seedTyp)(unsafe.Pointer(&s)), v)
+}
+
+func comparableHash[T comparable](seed seedTyp, v T) uint64 {
+	s := seed.s
+	var m map[T]struct{}
+	mTyp := iTypeOf(m)
+	var hasher func(unsafe.Pointer, uintptr) uintptr
+	hasher = (*iMapType)(unsafe.Pointer(mTyp)).Hasher
+
+	p := escape(unsafe.Pointer(&v))
+
+	if ptrSize == 8 {
+		return uint64(hasher(p, uintptr(s)))
+	}
+	lo := hasher(p, uintptr(s))
+	hi := hasher(p, uintptr(s>>32))
+	return uint64(hi)<<32 | uint64(lo)
+}
+
+// WriteComparable adds x to the data hashed by h.
+func WriteComparable[T comparable](h *Hash, x T) {
+	// writeComparable (not in purego mode) directly operates on h.state
+	// without using h.buf. Mix in the buffer length so it won't
+	// commute with a buffered write, which either changes h.n or changes
+	// h.state.
+	hash := (*hashTyp)(unsafe.Pointer(h))
+	if hash.n != 0 {
+		hash.state.s = comparableHash(hash.state, hash.n)
+	}
+	hash.state.s = comparableHash(hash.state, x)
+}
+
+// go/src/hash/maphash/maphash.go
+type hashTyp struct {
+	_     [0]func() // not comparable
+	seed  seedTyp   // initial seed used for this hash
+	state seedTyp   // current hash of all flushed bytes
+	buf   [128]byte // unflushed byte buffer
+	n     int       // number of unflushed bytes
+}
+
+type seedTyp struct {
+	s uint64
+}
+
+type iTFlag uint8
+type iKind uint8
+type iNameOff int32
+
+// TypeOff is the offset to a type from moduledata.types.  See resolveTypeOff in runtime.
+type iTypeOff int32
+
+type iType struct {
+	Size_       uintptr
+	PtrBytes    uintptr // number of (prefix) bytes in the type that can contain pointers
+	Hash        uint32  // hash of type; avoids computation in hash tables
+	TFlag       iTFlag  // extra type information flags
+	Align_      uint8   // alignment of variable with this type
+	FieldAlign_ uint8   // alignment of struct field with this type
+	Kind_       iKind   // enumeration for C
+	// function for comparing objects of this type
+	// (ptr to object A, ptr to object B) -> ==?
+	Equal func(unsafe.Pointer, unsafe.Pointer) bool
+	// GCData stores the GC type data for the garbage collector.
+	// Normally, GCData points to a bitmask that describes the
+	// ptr/nonptr fields of the type. The bitmask will have at
+	// least PtrBytes/ptrSize bits.
+	// If the TFlagGCMaskOnDemand bit is set, GCData is instead a
+	// **byte and the pointer to the bitmask is one dereference away.
+	// The runtime will build the bitmask if needed.
+	// (See runtime/type.go:getGCMask.)
+	// Note: multiple types may have the same value of GCData,
+	// including when TFlagGCMaskOnDemand is set. The types will, of course,
+	// have the same pointer layout (but not necessarily the same size).
+	GCData    *byte
+	Str       iNameOff // string form
+	PtrToThis iTypeOff // type for pointer to this type, may be zero
+}
+
+type iMapType struct {
+	iType
+	Key   *iType
+	Elem  *iType
+	Group *iType // internal type representing a slot group
+	// function for hashing keys (ptr to key, seed) -> hash
+	Hasher func(unsafe.Pointer, uintptr) uintptr
+}
+
+func iTypeOf(a any) *iType {
+	eface := *(*iEmptyInterface)(unsafe.Pointer(&a))
+	// Types are either static (for compiler-created types) or
+	// heap-allocated but always reachable (for reflection-created
+	// types, held in the central map). So there is no need to
+	// escape types. noescape here help avoid unnecessary escape
+	// of v.
+	return (*iType)(noescape(unsafe.Pointer(eface.Type)))
+}
+
+type iEmptyInterface struct {
+	Type *iType
+	Data unsafe.Pointer
+}
+
+// noescape hides a pointer from escape analysis.  noescape is
+// the identity function but escape analysis doesn't think the
+// output depends on the input.  noescape is inlined and currently
+// compiles down to zero instructions.
+// USE CAREFULLY!
+//
+// nolint:all
+//
+//go:nosplit
+//goland:noinspection ALL
+func noescape(p unsafe.Pointer) unsafe.Pointer {
+	x := uintptr(p)
+	return unsafe.Pointer(x ^ 0)
+}
+
+var alwaysFalse bool
+var escapeSink any
+
+// escape forces any pointers in x to escape to the heap.
+func escape[T any](x T) T {
+	if alwaysFalse {
+		escapeSink = x
+	}
+	return x
+}
+
+// ptrSize is the size of a pointer in bytes - unsafe.Sizeof(uintptr(0)) but as an ideal constant.
+// It is also the size of the machine's native word size (that is, 4 on 32-bit systems, 8 on 64-bit).
+const ptrSize = 4 << (^uintptr(0) >> 63)
+
+const testComparableAllocations = false

common/maphash/comparable_go124.go

@@ -0,0 +1,15 @@
+//go:build go1.24
+
+package maphash
+
+import "hash/maphash"
+
+func Comparable[T comparable](seed Seed, v T) uint64 {
+	return maphash.Comparable(seed, v)
+}
+
+func WriteComparable[T comparable](h *Hash, x T) {
+	maphash.WriteComparable(h, x)
+}
+
+const testComparableAllocations = true

common/maphash/maphash_test.go

@@ -0,0 +1,534 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package maphash
+
+import (
+	"bytes"
+	"fmt"
+	"hash"
+	"math"
+	"reflect"
+	"strings"
+	"testing"
+	"unsafe"
+
+	rand "github.com/metacubex/randv2"
+)
+
+func TestUnseededHash(t *testing.T) {
+	m := map[uint64]struct{}{}
+	for i := 0; i < 1000; i++ {
+		h := new(Hash)
+		m[h.Sum64()] = struct{}{}
+	}
+	if len(m) < 900 {
+		t.Errorf("empty hash not sufficiently random: got %d, want 1000", len(m))
+	}
+}
+
+func TestSeededHash(t *testing.T) {
+	s := MakeSeed()
+	m := map[uint64]struct{}{}
+	for i := 0; i < 1000; i++ {
+		h := new(Hash)
+		h.SetSeed(s)
+		m[h.Sum64()] = struct{}{}
+	}
+	if len(m) != 1 {
+		t.Errorf("seeded hash is random: got %d, want 1", len(m))
+	}
+}
+
+func TestHashGrouping(t *testing.T) {
+	b := bytes.Repeat([]byte("foo"), 100)
+	hh := make([]*Hash, 7)
+	for i := range hh {
+		hh[i] = new(Hash)
+	}
+	for _, h := range hh[1:] {
+		h.SetSeed(hh[0].Seed())
+	}
+	hh[0].Write(b)
+	hh[1].WriteString(string(b))
+
+	writeByte := func(h *Hash, b byte) {
+		err := h.WriteByte(b)
+		if err != nil {
+			t.Fatalf("WriteByte: %v", err)
+		}
+	}
+	writeSingleByte := func(h *Hash, b byte) {
+		_, err := h.Write([]byte{b})
+		if err != nil {
+			t.Fatalf("Write single byte: %v", err)
+		}
+	}
+	writeStringSingleByte := func(h *Hash, b byte) {
+		_, err := h.WriteString(string([]byte{b}))
+		if err != nil {
+			t.Fatalf("WriteString single byte: %v", err)
+		}
+	}
+
+	for i, x := range b {
+		writeByte(hh[2], x)
+		writeSingleByte(hh[3], x)
+		if i == 0 {
+			writeByte(hh[4], x)
+		} else {
+			writeSingleByte(hh[4], x)
+		}
+		writeStringSingleByte(hh[5], x)
+		if i == 0 {
+			writeByte(hh[6], x)
+		} else {
+			writeStringSingleByte(hh[6], x)
+		}
+	}
+
+	sum := hh[0].Sum64()
+	for i, h := range hh {
+		if sum != h.Sum64() {
+			t.Errorf("hash %d not identical to a single Write", i)
+		}
+	}
+
+	if sum1 := Bytes(hh[0].Seed(), b); sum1 != hh[0].Sum64() {
+		t.Errorf("hash using Bytes not identical to a single Write")
+	}
+
+	if sum1 := String(hh[0].Seed(), string(b)); sum1 != hh[0].Sum64() {
+		t.Errorf("hash using String not identical to a single Write")
+	}
+}
+
+func TestHashBytesVsString(t *testing.T) {
+	s := "foo"
+	b := []byte(s)
+	h1 := new(Hash)
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	n1, err1 := h1.WriteString(s)
+	if n1 != len(s) || err1 != nil {
+		t.Fatalf("WriteString(s) = %d, %v, want %d, nil", n1, err1, len(s))
+	}
+	n2, err2 := h2.Write(b)
+	if n2 != len(b) || err2 != nil {
+		t.Fatalf("Write(b) = %d, %v, want %d, nil", n2, err2, len(b))
+	}
+	if h1.Sum64() != h2.Sum64() {
+		t.Errorf("hash of string and bytes not identical")
+	}
+}
+
+func TestHashHighBytes(t *testing.T) {
+	// See issue 34925.
+	const N = 10
+	m := map[uint64]struct{}{}
+	for i := 0; i < N; i++ {
+		h := new(Hash)
+		h.WriteString("foo")
+		m[h.Sum64()>>32] = struct{}{}
+	}
+	if len(m) < N/2 {
+		t.Errorf("from %d seeds, wanted at least %d different hashes; got %d", N, N/2, len(m))
+	}
+}
+
+func TestRepeat(t *testing.T) {
+	h1 := new(Hash)
+	h1.WriteString("testing")
+	sum1 := h1.Sum64()
+
+	h1.Reset()
+	h1.WriteString("testing")
+	sum2 := h1.Sum64()
+
+	if sum1 != sum2 {
+		t.Errorf("different sum after resetting: %#x != %#x", sum1, sum2)
+	}
+
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	h2.WriteString("testing")
+	sum3 := h2.Sum64()
+
+	if sum1 != sum3 {
+		t.Errorf("different sum on the same seed: %#x != %#x", sum1, sum3)
+	}
+}
+
+func TestSeedFromSum64(t *testing.T) {
+	h1 := new(Hash)
+	h1.WriteString("foo")
+	x := h1.Sum64() // seed generated here
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	h2.WriteString("foo")
+	y := h2.Sum64()
+	if x != y {
+		t.Errorf("hashes don't match: want %x, got %x", x, y)
+	}
+}
+
+func TestSeedFromSeed(t *testing.T) {
+	h1 := new(Hash)
+	h1.WriteString("foo")
+	_ = h1.Seed() // seed generated here
+	x := h1.Sum64()
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	h2.WriteString("foo")
+	y := h2.Sum64()
+	if x != y {
+		t.Errorf("hashes don't match: want %x, got %x", x, y)
+	}
+}
+
+func TestSeedFromFlush(t *testing.T) {
+	b := make([]byte, 65)
+	h1 := new(Hash)
+	h1.Write(b) // seed generated here
+	x := h1.Sum64()
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	h2.Write(b)
+	y := h2.Sum64()
+	if x != y {
+		t.Errorf("hashes don't match: want %x, got %x", x, y)
+	}
+}
+
+func TestSeedFromReset(t *testing.T) {
+	h1 := new(Hash)
+	h1.WriteString("foo")
+	h1.Reset() // seed generated here
+	h1.WriteString("foo")
+	x := h1.Sum64()
+	h2 := new(Hash)
+	h2.SetSeed(h1.Seed())
+	h2.WriteString("foo")
+	y := h2.Sum64()
+	if x != y {
+		t.Errorf("hashes don't match: want %x, got %x", x, y)
+	}
+}
+
+func negativeZero[T float32 | float64]() T {
+	var f T
+	f = -f
+	return f
+}
+
+func TestComparable(t *testing.T) {
+	testComparable(t, int64(2))
+	testComparable(t, uint64(8))
+	testComparable(t, uintptr(12))
+	testComparable(t, any("s"))
+	testComparable(t, "s")
+	testComparable(t, true)
+	testComparable(t, new(float64))
+	testComparable(t, float64(9))
+	testComparable(t, complex128(9i+1))
+	testComparable(t, struct{}{})
+	testComparable(t, struct {
+		i int
+		u uint
+		b bool
+		f float64
+		p *int
+		a any
+	}{i: 9, u: 1, b: true, f: 9.9, p: new(int), a: 1})
+	type S struct {
+		s string
+	}
+	s1 := S{s: heapStr(t)}
+	s2 := S{s: heapStr(t)}
+	if unsafe.StringData(s1.s) == unsafe.StringData(s2.s) {
+		t.Fatalf("unexpected two heapStr ptr equal")
+	}
+	if s1.s != s2.s {
+		t.Fatalf("unexpected two heapStr value not equal")
+	}
+	testComparable(t, s1, s2)
+	testComparable(t, s1.s, s2.s)
+	testComparable(t, float32(0), negativeZero[float32]())
+	testComparable(t, float64(0), negativeZero[float64]())
+	testComparableNoEqual(t, math.NaN(), math.NaN())
+	testComparableNoEqual(t, [2]string{"a", ""}, [2]string{"", "a"})
+	testComparableNoEqual(t, struct{ a, b string }{"foo", ""}, struct{ a, b string }{"", "foo"})
+	testComparableNoEqual(t, struct{ a, b any }{int(0), struct{}{}}, struct{ a, b any }{struct{}{}, int(0)})
+}
+
+func testComparableNoEqual[T comparable](t *testing.T, v1, v2 T) {
+	seed := MakeSeed()
+	if Comparable(seed, v1) == Comparable(seed, v2) {
+		t.Fatalf("Comparable(seed, %v) == Comparable(seed, %v)", v1, v2)
+	}
+}
+
+var heapStrValue = []byte("aTestString")
+
+func heapStr(t *testing.T) string {
+	return string(heapStrValue)
+}
+
+func testComparable[T comparable](t *testing.T, v T, v2 ...T) {
+	t.Run(TypeFor[T]().String(), func(t *testing.T) {
+		var a, b T = v, v
+		if len(v2) != 0 {
+			b = v2[0]
+		}
+		var pa *T = &a
+		seed := MakeSeed()
+		if Comparable(seed, a) != Comparable(seed, b) {
+			t.Fatalf("Comparable(seed, %v) != Comparable(seed, %v)", a, b)
+		}
+		old := Comparable(seed, pa)
+		stackGrow(8192)
+		new := Comparable(seed, pa)
+		if old != new {
+			t.Fatal("Comparable(seed, ptr) != Comparable(seed, ptr)")
+		}
+	})
+}
+
+var use byte
+
+//go:noinline
+func stackGrow(dep int) {
+	if dep == 0 {
+		return
+	}
+	var local [1024]byte
+	// make sure local is allocated on the stack.
+	local[rand.Uint64()%1024] = byte(rand.Uint64())
+	use = local[rand.Uint64()%1024]
+	stackGrow(dep - 1)
+}
+
+func TestWriteComparable(t *testing.T) {
+	testWriteComparable(t, int64(2))
+	testWriteComparable(t, uint64(8))
+	testWriteComparable(t, uintptr(12))
+	testWriteComparable(t, any("s"))
+	testWriteComparable(t, "s")
+	testComparable(t, true)
+	testWriteComparable(t, new(float64))
+	testWriteComparable(t, float64(9))
+	testWriteComparable(t, complex128(9i+1))
+	testWriteComparable(t, struct{}{})
+	testWriteComparable(t, struct {
+		i int
+		u uint
+		b bool
+		f float64
+		p *int
+		a any
+	}{i: 9, u: 1, b: true, f: 9.9, p: new(int), a: 1})
+	type S struct {
+		s string
+	}
+	s1 := S{s: heapStr(t)}
+	s2 := S{s: heapStr(t)}
+	if unsafe.StringData(s1.s) == unsafe.StringData(s2.s) {
+		t.Fatalf("unexpected two heapStr ptr equal")
+	}
+	if s1.s != s2.s {
+		t.Fatalf("unexpected two heapStr value not equal")
+	}
+	testWriteComparable(t, s1, s2)
+	testWriteComparable(t, s1.s, s2.s)
+	testWriteComparable(t, float32(0), negativeZero[float32]())
+	testWriteComparable(t, float64(0), negativeZero[float64]())
+	testWriteComparableNoEqual(t, math.NaN(), math.NaN())
+	testWriteComparableNoEqual(t, [2]string{"a", ""}, [2]string{"", "a"})
+	testWriteComparableNoEqual(t, struct{ a, b string }{"foo", ""}, struct{ a, b string }{"", "foo"})
+	testWriteComparableNoEqual(t, struct{ a, b any }{int(0), struct{}{}}, struct{ a, b any }{struct{}{}, int(0)})
+}
+
+func testWriteComparableNoEqual[T comparable](t *testing.T, v1, v2 T) {
+	seed := MakeSeed()
+	h1 := Hash{}
+	h2 := Hash{}
+	*(*Seed)(unsafe.Pointer(&h1)), *(*Seed)(unsafe.Pointer(&h2)) = seed, seed
+	WriteComparable(&h1, v1)
+	WriteComparable(&h2, v2)
+	if h1.Sum64() == h2.Sum64() {
+		t.Fatalf("WriteComparable(seed, %v) == WriteComparable(seed, %v)", v1, v2)
+	}
+
+}
+
+func testWriteComparable[T comparable](t *testing.T, v T, v2 ...T) {
+	t.Run(TypeFor[T]().String(), func(t *testing.T) {
+		var a, b T = v, v
+		if len(v2) != 0 {
+			b = v2[0]
+		}
+		var pa *T = &a
+		h1 := Hash{}
+		h2 := Hash{}
+		*(*Seed)(unsafe.Pointer(&h1)) = MakeSeed()
+		h2 = h1
+		WriteComparable(&h1, a)
+		WriteComparable(&h2, b)
+		if h1.Sum64() != h2.Sum64() {
+			t.Fatalf("WriteComparable(h, %v) != WriteComparable(h, %v)", a, b)
+		}
+		WriteComparable(&h1, pa)
+		old := h1.Sum64()
+		stackGrow(8192)
+		WriteComparable(&h2, pa)
+		new := h2.Sum64()
+		if old != new {
+			t.Fatal("WriteComparable(seed, ptr) != WriteComparable(seed, ptr)")
+		}
+	})
+}
+
+func TestComparableShouldPanic(t *testing.T) {
+	s := []byte("s")
+	a := any(s)
+	defer func() {
+		e := recover()
+		err, ok := e.(error)
+		if !ok {
+			t.Fatalf("Comaparable(any([]byte)) should panic")
+		}
+		want := "hash of unhashable type []uint8"
+		if s := err.Error(); !strings.Contains(s, want) {
+			t.Fatalf("want %s, got %s", want, s)
+		}
+	}()
+	Comparable(MakeSeed(), a)
+}
+
+func TestWriteComparableNoncommute(t *testing.T) {
+	seed := MakeSeed()
+	var h1, h2 Hash
+	h1.SetSeed(seed)
+	h2.SetSeed(seed)
+
+	h1.WriteString("abc")
+	WriteComparable(&h1, 123)
+	WriteComparable(&h2, 123)
+	h2.WriteString("abc")
+
+	if h1.Sum64() == h2.Sum64() {
+		t.Errorf("WriteComparable and WriteString unexpectedly commute")
+	}
+}
+
+func TestComparableAllocations(t *testing.T) {
+	if !testComparableAllocations {
+		t.Skip("test broken in old golang version")
+	}
+	seed := MakeSeed()
+	x := heapStr(t)
+	allocs := testing.AllocsPerRun(10, func() {
+		s := "s" + x
+		Comparable(seed, s)
+	})
+	if allocs > 0 {
+		t.Errorf("got %v allocs, want 0", allocs)
+	}
+
+	type S struct {
+		a int
+		b string
+	}
+	allocs = testing.AllocsPerRun(10, func() {
+		s := S{123, "s" + x}
+		Comparable(seed, s)
+	})
+	if allocs > 0 {
+		t.Errorf("got %v allocs, want 0", allocs)
+	}
+}
+
+// Make sure a Hash implements the hash.Hash and hash.Hash64 interfaces.
+var _ hash.Hash = &Hash{}
+var _ hash.Hash64 = &Hash{}
+
+func benchmarkSize(b *testing.B, size int) {
+	h := &Hash{}
+	buf := make([]byte, size)
+	s := string(buf)
+
+	b.Run("Write", func(b *testing.B) {
+		b.SetBytes(int64(size))
+		for i := 0; i < b.N; i++ {
+			h.Reset()
+			h.Write(buf)
+			h.Sum64()
+		}
+	})
+
+	b.Run("Bytes", func(b *testing.B) {
+		b.SetBytes(int64(size))
+		seed := h.Seed()
+		for i := 0; i < b.N; i++ {
+			Bytes(seed, buf)
+		}
+	})
+
+	b.Run("String", func(b *testing.B) {
+		b.SetBytes(int64(size))
+		seed := h.Seed()
+		for i := 0; i < b.N; i++ {
+			String(seed, s)
+		}
+	})
+}
+
+func BenchmarkHash(b *testing.B) {
+	sizes := []int{4, 8, 16, 32, 64, 256, 320, 1024, 4096, 16384}
+	for _, size := range sizes {
+		b.Run(fmt.Sprint("n=", size), func(b *testing.B) {
+			benchmarkSize(b, size)
+		})
+	}
+}
+
+func benchmarkComparable[T comparable](b *testing.B, v T) {
+	b.Run(TypeFor[T]().String(), func(b *testing.B) {
+		seed := MakeSeed()
+		for i := 0; i < b.N; i++ {
+			Comparable(seed, v)
+		}
+	})
+}
+
+func BenchmarkComparable(b *testing.B) {
+	type testStruct struct {
+		i int
+		u uint
+		b bool
+		f float64
+		p *int
+		a any
+	}
+	benchmarkComparable(b, int64(2))
+	benchmarkComparable(b, uint64(8))
+	benchmarkComparable(b, uintptr(12))
+	benchmarkComparable(b, any("s"))
+	benchmarkComparable(b, "s")
+	benchmarkComparable(b, true)
+	benchmarkComparable(b, new(float64))
+	benchmarkComparable(b, float64(9))
+	benchmarkComparable(b, complex128(9i+1))
+	benchmarkComparable(b, struct{}{})
+	benchmarkComparable(b, testStruct{i: 9, u: 1, b: true, f: 9.9, p: new(int), a: 1})
+}
+
+// TypeFor returns the [Type] that represents the type argument T.
+func TypeFor[T any]() reflect.Type {
+	var v T
+	if t := reflect.TypeOf(v); t != nil {
+		return t // optimize for T being a non-interface kind
+	}
+	return reflect.TypeOf((*T)(nil)).Elem() // only for an interface kind
+}

common/net/deadline/conn.go

@@ -149,6 +149,10 @@ func (c *Conn) ReaderReplaceable() bool {
 	return c.disablePipe.Load() || c.deadline.Load().IsZero()
 }
 
+func (c *Conn) WriterReplaceable() bool {
+	return true
+}
+
 func (c *Conn) Upstream() any {
 	return c.ExtendedConn
 }

common/net/sing.go

@@ -1,9 +1,8 @@
 package net
 
 import (
-	"context"
+	"io"
 	"net"
-	"runtime"
 
 	"github.com/metacubex/mihomo/common/net/deadline"
 
@@ -22,11 +21,26 @@ type ExtendedReader = network.ExtendedReader
 
 var WriteBuffer = bufio.WriteBuffer
 
+type ReadWaitOptions = network.ReadWaitOptions
+
+var NewReadWaitOptions = network.NewReadWaitOptions
+var CalculateFrontHeadroom = network.CalculateFrontHeadroom
+var CalculateRearHeadroom = network.CalculateRearHeadroom
+
+type ReaderWithUpstream = network.ReaderWithUpstream
+type WithUpstreamReader = network.WithUpstreamReader
+type WriterWithUpstream = network.WriterWithUpstream
+type WithUpstreamWriter = network.WithUpstreamWriter
+type WithUpstream = common.WithUpstream
+
+var UnwrapReader = network.UnwrapReader
+var UnwrapWriter = network.UnwrapWriter
+
 func NewDeadlineConn(conn net.Conn) ExtendedConn {
-	if deadline.IsPipe(conn) || deadline.IsPipe(network.UnwrapReader(conn)) {
+	if deadline.IsPipe(conn) || deadline.IsPipe(UnwrapReader(conn)) {
 		return NewExtendedConn(conn) // pipe always have correctly deadline implement
 	}
-	if deadline.IsConn(conn) || deadline.IsConn(network.UnwrapReader(conn)) {
+	if deadline.IsConn(conn) || deadline.IsConn(UnwrapReader(conn)) {
 		return NewExtendedConn(conn) // was a *deadline.Conn
 	}
 	return deadline.NewConn(conn)
@@ -43,9 +57,37 @@ type CountFunc = network.CountFunc
 
 var Pipe = deadline.Pipe
 
-// Relay copies between left and right bidirectionally.
-func Relay(leftConn, rightConn net.Conn) {
-	defer runtime.KeepAlive(leftConn)
-	defer runtime.KeepAlive(rightConn)
-	_ = bufio.CopyConn(context.TODO(), leftConn, rightConn)
+func closeWrite(writer io.Closer) error {
+	if c, ok := common.Cast[network.WriteCloser](writer); ok {
+		return c.CloseWrite()
+	}
+	return writer.Close()
+}
+
+// Relay copies between left and right bidirectionally.
+// like [bufio.CopyConn] but remove unneeded [context.Context] handle and the cost of [task.Group]
+func Relay(leftConn, rightConn net.Conn) {
+	defer func() {
+		_ = leftConn.Close()
+		_ = rightConn.Close()
+	}()
+
+	ch := make(chan struct{})
+	go func() {
+		_, err := bufio.Copy(leftConn, rightConn)
+		if err == nil {
+			_ = closeWrite(leftConn)
+		} else {
+			_ = leftConn.Close()
+		}
+		close(ch)
+	}()
+
+	_, err := bufio.Copy(rightConn, leftConn)
+	if err == nil {
+		_ = closeWrite(rightConn)
+	} else {
+		_ = rightConn.Close()
+	}
+	<-ch
 }

common/net/websocket.go

@@ -1,6 +1,8 @@
 package net
 
 import (
+	"crypto/sha1"
+	"encoding/base64"
 	"encoding/binary"
 	"math/bits"
 )
@@ -129,3 +131,13 @@ func MaskWebSocket(key uint32, b []byte) uint32 {
 
 	return key
 }
+
+func GetWebSocketSecAccept(secKey string) string {
+	const magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
+	const nonceSize = 24 // base64.StdEncoding.EncodedLen(nonceKeySize)
+	p := make([]byte, nonceSize+len(magic))
+	copy(p[:nonceSize], secKey)
+	copy(p[nonceSize:], magic)
+	sum := sha1.Sum(p)
+	return base64.StdEncoding.EncodeToString(sum[:])
+}

common/orderedmap/doc.go

@@ -0,0 +1,8 @@
+package orderedmap
+
+// copy and modified from https://github.com/wk8/go-ordered-map/tree/v2.1.8
+// which is licensed under Apache v2.
+//
+// mihomo modified:
+// 1. remove dependence of mailru/easyjson for MarshalJSON
+// 2. remove dependence of buger/jsonparser for UnmarshalJSON

common/orderedmap/json.go

@@ -0,0 +1,139 @@
+package orderedmap
+
+import (
+	"bytes"
+	"encoding"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"reflect"
+)
+
+var (
+	_ json.Marshaler   = &OrderedMap[int, any]{}
+	_ json.Unmarshaler = &OrderedMap[int, any]{}
+)
+
+// MarshalJSON implements the json.Marshaler interface.
+func (om *OrderedMap[K, V]) MarshalJSON() ([]byte, error) { //nolint:funlen
+	if om == nil || om.list == nil {
+		return []byte("null"), nil
+	}
+
+	var buf bytes.Buffer
+	buf.WriteByte('{')
+	enc := json.NewEncoder(&buf)
+	for pair, firstIteration := om.Oldest(), true; pair != nil; pair = pair.Next() {
+		if firstIteration {
+			firstIteration = false
+		} else {
+			buf.WriteByte(',')
+		}
+
+		switch key := any(pair.Key).(type) {
+		case string, encoding.TextMarshaler:
+			if err := enc.Encode(pair.Key); err != nil {
+				return nil, err
+			}
+		case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
+			buf.WriteByte('"')
+			buf.WriteString(fmt.Sprint(key))
+			buf.WriteByte('"')
+		default:
+			// this switch takes care of wrapper types around primitive types, such as
+			// type myType string
+			switch keyValue := reflect.ValueOf(key); keyValue.Type().Kind() {
+			case reflect.String:
+				if err := enc.Encode(pair.Key); err != nil {
+					return nil, err
+				}
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+				reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+				buf.WriteByte('"')
+				buf.WriteString(fmt.Sprint(key))
+				buf.WriteByte('"')
+			default:
+				return nil, fmt.Errorf("unsupported key type: %T", key)
+			}
+		}
+
+		buf.WriteByte(':')
+		if err := enc.Encode(pair.Value); err != nil {
+			return nil, err
+		}
+	}
+	buf.WriteByte('}')
+	return buf.Bytes(), nil
+}
+
+// UnmarshalJSON implements the json.Unmarshaler interface.
+func (om *OrderedMap[K, V]) UnmarshalJSON(data []byte) error {
+	if om.list == nil {
+		om.initialize(0)
+	}
+
+	d := json.NewDecoder(bytes.NewReader(data))
+	tok, err := d.Token()
+	if err != nil {
+		return err
+	}
+	if tok != json.Delim('{') {
+		return errors.New("expect JSON object open with '{'")
+	}
+
+	for d.More() {
+		// key
+		tok, err = d.Token()
+		if err != nil {
+			return err
+		}
+
+		keyStr, ok := tok.(string)
+		if !ok {
+			return fmt.Errorf("key must be a string, got %T\n", tok)
+		}
+
+		var key K
+		switch typedKey := any(&key).(type) {
+		case *string:
+			*typedKey = keyStr
+		case encoding.TextUnmarshaler:
+			err = typedKey.UnmarshalText([]byte(keyStr))
+		case *int, *int8, *int16, *int32, *int64, *uint, *uint8, *uint16, *uint32, *uint64:
+			err = json.Unmarshal([]byte(keyStr), typedKey)
+		default:
+			// this switch takes care of wrapper types around primitive types, such as
+			// type myType string
+			switch reflect.TypeOf(key).Kind() {
+			case reflect.String:
+				convertedKeyData := reflect.ValueOf(keyStr).Convert(reflect.TypeOf(key))
+				reflect.ValueOf(&key).Elem().Set(convertedKeyData)
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+				reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+				err = json.Unmarshal([]byte(keyStr), &key)
+			default:
+				err = fmt.Errorf("unsupported key type: %T", key)
+			}
+		}
+		if err != nil {
+			return err
+		}
+
+		// value
+		value, _ := om.Get(key)
+		err = d.Decode(&value)
+		if err != nil {
+			return err
+		}
+		om.Set(key, value)
+	}
+
+	tok, err = d.Token()
+	if err != nil {
+		return err
+	}
+	if tok != json.Delim('}') {
+		return errors.New("expect JSON object close with '}'")
+	}
+	return nil
+}

common/orderedmap/json_fuzz_test.go

@@ -0,0 +1,117 @@
+package orderedmap
+
+// Adapted from https://github.com/dvyukov/go-fuzz-corpus/blob/c42c1b2/json/json.go
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func FuzzRoundTripJSON(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		for _, testCase := range []struct {
+			name        string
+			constructor func() any
+			// should be a function that asserts that 2 objects of the type returned by constructor are equal
+			equalityAssertion func(*testing.T, any, any) bool
+		}{
+			{
+				name:              "with a string -> string map",
+				constructor:       func() any { return &OrderedMap[string, string]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, string],
+			},
+			{
+				name:              "with a string -> int map",
+				constructor:       func() any { return &OrderedMap[string, int]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, int],
+			},
+			{
+				name:              "with a string -> any map",
+				constructor:       func() any { return &OrderedMap[string, any]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, any],
+			},
+			{
+				name:              "with a struct with map fields",
+				constructor:       func() any { return new(testFuzzStruct) },
+				equalityAssertion: assertTestFuzzStructEqual,
+			},
+		} {
+			t.Run(testCase.name, func(t *testing.T) {
+				v1 := testCase.constructor()
+				if json.Unmarshal(data, v1) != nil {
+					return
+				}
+
+				jsonData, err := json.Marshal(v1)
+				require.NoError(t, err)
+
+				v2 := testCase.constructor()
+				require.NoError(t, json.Unmarshal(jsonData, v2))
+
+				if !assert.True(t, testCase.equalityAssertion(t, v1, v2), "failed with input data %q", string(data)) {
+					// look at that what the standard lib does with regular map, to help with debugging
+
+					var m1 map[string]any
+					require.NoError(t, json.Unmarshal(data, &m1))
+
+					mapJsonData, err := json.Marshal(m1)
+					require.NoError(t, err)
+
+					var m2 map[string]any
+					require.NoError(t, json.Unmarshal(mapJsonData, &m2))
+
+					t.Logf("initial data = %s", string(data))
+					t.Logf("unmarshalled map = %v", m1)
+					t.Logf("re-marshalled from map = %s", string(mapJsonData))
+					t.Logf("re-marshalled from test obj = %s", string(jsonData))
+					t.Logf("re-unmarshalled map = %s", m2)
+				}
+			})
+		}
+	})
+}
+
+// only works for fairly basic maps, that's why it's just in this file
+func assertOrderedMapsEqual[K comparable, V any](t *testing.T, v1, v2 any) bool {
+	om1, ok1 := v1.(*OrderedMap[K, V])
+	om2, ok2 := v2.(*OrderedMap[K, V])
+
+	if !assert.True(t, ok1, "v1 not an orderedmap") ||
+		!assert.True(t, ok2, "v2 not an orderedmap") {
+		return false
+	}
+
+	success := assert.Equal(t, om1.Len(), om2.Len(), "om1 and om2 have different lengths: %d vs %d", om1.Len(), om2.Len())
+
+	for i, pair1, pair2 := 0, om1.Oldest(), om2.Oldest(); pair1 != nil && pair2 != nil; i, pair1, pair2 = i+1, pair1.Next(), pair2.Next() {
+		success = assert.Equal(t, pair1.Key, pair2.Key, "different keys at position %d: %v vs %v", i, pair1.Key, pair2.Key) && success
+		success = assert.Equal(t, pair1.Value, pair2.Value, "different values at position %d: %v vs %v", i, pair1.Value, pair2.Value) && success
+	}
+
+	return success
+}
+
+type testFuzzStruct struct {
+	M1 *OrderedMap[int, any]
+	M2 *OrderedMap[int, string]
+	M3 *OrderedMap[string, string]
+}
+
+func assertTestFuzzStructEqual(t *testing.T, v1, v2 any) bool {
+	s1, ok := v1.(*testFuzzStruct)
+	s2, ok := v2.(*testFuzzStruct)
+
+	if !assert.True(t, ok, "v1 not an testFuzzStruct") ||
+		!assert.True(t, ok, "v2 not an testFuzzStruct") {
+		return false
+	}
+
+	success := assertOrderedMapsEqual[int, any](t, s1.M1, s2.M1)
+	success = assertOrderedMapsEqual[int, string](t, s1.M2, s2.M2) && success
+	success = assertOrderedMapsEqual[string, string](t, s1.M3, s2.M3) && success
+
+	return success
+}

common/orderedmap/json_test.go

@@ -0,0 +1,338 @@
+package orderedmap
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// to test marshalling TextMarshalers and unmarshalling TextUnmarshalers
+type marshallable int
+
+func (m marshallable) MarshalText() ([]byte, error) {
+	return []byte(fmt.Sprintf("#%d#", m)), nil
+}
+
+func (m *marshallable) UnmarshalText(text []byte) error {
+	if len(text) < 3 {
+		return errors.New("too short")
+	}
+	if text[0] != '#' || text[len(text)-1] != '#' {
+		return errors.New("missing prefix or suffix")
+	}
+
+	value, err := strconv.Atoi(string(text[1 : len(text)-1]))
+	if err != nil {
+		return err
+	}
+
+	*m = marshallable(value)
+	return nil
+}
+
+func TestMarshalJSON(t *testing.T) {
+	t.Run("int key", func(t *testing.T) {
+		om := New[int, any]()
+		om.Set(1, "bar")
+		om.Set(7, "baz")
+		om.Set(2, 28)
+		om.Set(3, 100)
+		om.Set(4, "baz")
+		om.Set(5, "28")
+		om.Set(6, "100")
+		om.Set(8, "baz")
+		om.Set(8, "baz")
+		om.Set(9, "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque auctor augue accumsan mi maximus, quis viverra massa pretium. Phasellus imperdiet sapien a interdum sollicitudin. Duis at commodo lectus, a lacinia sem.")
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{"1":"bar","7":"baz","2":28,"3":100,"4":"baz","5":"28","6":"100","8":"baz","9":"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque auctor augue accumsan mi maximus, quis viverra massa pretium. Phasellus imperdiet sapien a interdum sollicitudin. Duis at commodo lectus, a lacinia sem."}`, string(b))
+	})
+
+	t.Run("string key", func(t *testing.T) {
+		om := New[string, any]()
+		om.Set("test", "bar")
+		om.Set("abc", true)
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{"test":"bar","abc":true}`, string(b))
+	})
+
+	t.Run("typed string key", func(t *testing.T) {
+		type myString string
+		om := New[myString, any]()
+		om.Set("test", "bar")
+		om.Set("abc", true)
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{"test":"bar","abc":true}`, string(b))
+	})
+
+	t.Run("typed int key", func(t *testing.T) {
+		type myInt uint32
+		om := New[myInt, any]()
+		om.Set(1, "bar")
+		om.Set(7, "baz")
+		om.Set(2, 28)
+		om.Set(3, 100)
+		om.Set(4, "baz")
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{"1":"bar","7":"baz","2":28,"3":100,"4":"baz"}`, string(b))
+	})
+
+	t.Run("TextMarshaller key", func(t *testing.T) {
+		om := New[marshallable, any]()
+		om.Set(marshallable(1), "bar")
+		om.Set(marshallable(28), true)
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{"#1#":"bar","#28#":true}`, string(b))
+	})
+
+	t.Run("empty map", func(t *testing.T) {
+		om := New[string, any]()
+
+		b, err := json.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `{}`, string(b))
+	})
+}
+
+func TestUnmarshallJSON(t *testing.T) {
+	t.Run("int key", func(t *testing.T) {
+		data := `{"1":"bar","7":"baz","2":28,"3":100,"4":"baz","5":"28","6":"100","8":"baz"}`
+
+		om := New[int, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]int{1, 7, 2, 3, 4, 5, 6, 8},
+			[]any{"bar", "baz", float64(28), float64(100), "baz", "28", "100", "baz"})
+	})
+
+	t.Run("string key", func(t *testing.T) {
+		data := `{"test":"bar","abc":true}`
+
+		om := New[string, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]string{"test", "abc"},
+			[]any{"bar", true})
+	})
+
+	t.Run("typed string key", func(t *testing.T) {
+		data := `{"test":"bar","abc":true}`
+
+		type myString string
+		om := New[myString, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]myString{"test", "abc"},
+			[]any{"bar", true})
+	})
+
+	t.Run("typed int key", func(t *testing.T) {
+		data := `{"1":"bar","7":"baz","2":28,"3":100,"4":"baz","5":"28","6":"100","8":"baz"}`
+
+		type myInt uint32
+		om := New[myInt, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]myInt{1, 7, 2, 3, 4, 5, 6, 8},
+			[]any{"bar", "baz", float64(28), float64(100), "baz", "28", "100", "baz"})
+	})
+
+	t.Run("TextUnmarshaler key", func(t *testing.T) {
+		data := `{"#1#":"bar","#28#":true}`
+
+		om := New[marshallable, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]marshallable{1, 28},
+			[]any{"bar", true})
+	})
+
+	t.Run("when fed with an input that's not an object", func(t *testing.T) {
+		for _, data := range []string{"true", `["foo"]`, "42", `"foo"`} {
+			om := New[int, any]()
+			require.Error(t, json.Unmarshal([]byte(data), &om))
+		}
+	})
+
+	t.Run("empty map", func(t *testing.T) {
+		data := `{}`
+
+		om := New[int, any]()
+		require.NoError(t, json.Unmarshal([]byte(data), &om))
+
+		assertLenEqual(t, om, 0)
+	})
+}
+
+// const specialCharacters = "\\\\/\"\b\f\n\r\t\x00\uffff\ufffd世界\u007f\u00ff\U0010FFFF"
+const specialCharacters = "\uffff\ufffd世界\u007f\u00ff\U0010FFFF"
+
+func TestJSONSpecialCharacters(t *testing.T) {
+	baselineMap := map[string]any{specialCharacters: specialCharacters}
+	baselineData, err := json.Marshal(baselineMap)
+	require.NoError(t, err) // baseline proves this key is supported by official json library
+	t.Logf("specialCharacters: %#v as []rune:%v", specialCharacters, []rune(specialCharacters))
+	t.Logf("baseline json data: %s", baselineData)
+
+	t.Run("marshal special characters", func(t *testing.T) {
+		om := New[string, any]()
+		om.Set(specialCharacters, specialCharacters)
+		b, err := json.Marshal(om)
+		require.NoError(t, err)
+		require.Equal(t, baselineData, b)
+
+		type myString string
+		om2 := New[myString, myString]()
+		om2.Set(specialCharacters, specialCharacters)
+		b, err = json.Marshal(om2)
+		require.NoError(t, err)
+		require.Equal(t, baselineData, b)
+	})
+
+	t.Run("unmarshall special characters", func(t *testing.T) {
+		om := New[string, any]()
+		require.NoError(t, json.Unmarshal(baselineData, &om))
+		assertOrderedPairsEqual(t, om,
+			[]string{specialCharacters},
+			[]any{specialCharacters})
+
+		type myString string
+		om2 := New[myString, myString]()
+		require.NoError(t, json.Unmarshal(baselineData, &om2))
+		assertOrderedPairsEqual(t, om2,
+			[]myString{specialCharacters},
+			[]myString{specialCharacters})
+	})
+}
+
+// to test structs that have nested map fields
+type nestedMaps struct {
+	X int                                                               `json:"x" yaml:"x"`
+	M *OrderedMap[string, []*OrderedMap[int, *OrderedMap[string, any]]] `json:"m" yaml:"m"`
+}
+
+func TestJSONRoundTrip(t *testing.T) {
+	for _, testCase := range []struct {
+		name            string
+		input           string
+		targetFactory   func() any
+		isPrettyPrinted bool
+	}{
+		{
+			name: "",
+			input: `{
+    "x": 28,
+    "m": {
+        "foo": [
+            {
+                "12": {
+                    "i": 12,
+                    "b": true,
+                    "n": null,
+                    "m": {
+                        "a": "b",
+                        "c": 28
+                    }
+                },
+                "28": {
+                    "a": false,
+                    "b": [
+                        1,
+                        2,
+                        3
+                    ]
+                }
+            },
+            {
+                "3": {
+                    "c": null,
+                    "d": 87
+                },
+                "4": {
+                    "e": true
+                },
+                "5": {
+                    "f": 4,
+                    "g": 5,
+                    "h": 6
+                }
+            }
+        ],
+        "bar": [
+            {
+                "5": {
+                    "foo": "bar"
+                }
+            }
+        ]
+    }
+}`,
+			targetFactory:   func() any { return &nestedMaps{} },
+			isPrettyPrinted: true,
+		},
+		{
+			name:          "with UTF-8 special chars in key",
+			input:         `{"<22>":0}`,
+			targetFactory: func() any { return &OrderedMap[string, int]{} },
+		},
+	} {
+		t.Run(testCase.name, func(t *testing.T) {
+			target := testCase.targetFactory()
+
+			require.NoError(t, json.Unmarshal([]byte(testCase.input), target))
+
+			var (
+				out []byte
+				err error
+			)
+			if testCase.isPrettyPrinted {
+				out, err = json.MarshalIndent(target, "", "    ")
+			} else {
+				out, err = json.Marshal(target)
+			}
+
+			if assert.NoError(t, err) {
+				assert.Equal(t, strings.TrimSpace(testCase.input), string(out))
+			}
+		})
+	}
+}
+
+func BenchmarkMarshalJSON(b *testing.B) {
+	om := New[int, any]()
+	om.Set(1, "bar")
+	om.Set(7, "baz")
+	om.Set(2, 28)
+	om.Set(3, 100)
+	om.Set(4, "baz")
+	om.Set(5, "28")
+	om.Set(6, "100")
+	om.Set(8, "baz")
+	om.Set(8, "baz")
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		_, _ = json.Marshal(om)
+	}
+}

common/orderedmap/orderedmap.go

@@ -0,0 +1,295 @@
+// Package orderedmap implements an ordered map, i.e. a map that also keeps track of
+// the order in which keys were inserted.
+//
+// All operations are constant-time.
+//
+// Github repo: https://github.com/wk8/go-ordered-map
+package orderedmap
+
+import (
+	"fmt"
+
+	list "github.com/bahlo/generic-list-go"
+)
+
+type Pair[K comparable, V any] struct {
+	Key   K
+	Value V
+
+	element *list.Element[*Pair[K, V]]
+}
+
+type OrderedMap[K comparable, V any] struct {
+	pairs map[K]*Pair[K, V]
+	list  *list.List[*Pair[K, V]]
+}
+
+type initConfig[K comparable, V any] struct {
+	capacity    int
+	initialData []Pair[K, V]
+}
+
+type InitOption[K comparable, V any] func(config *initConfig[K, V])
+
+// WithCapacity allows giving a capacity hint for the map, akin to the standard make(map[K]V, capacity).
+func WithCapacity[K comparable, V any](capacity int) InitOption[K, V] {
+	return func(c *initConfig[K, V]) {
+		c.capacity = capacity
+	}
+}
+
+// WithInitialData allows passing in initial data for the map.
+func WithInitialData[K comparable, V any](initialData ...Pair[K, V]) InitOption[K, V] {
+	return func(c *initConfig[K, V]) {
+		c.initialData = initialData
+		if c.capacity < len(initialData) {
+			c.capacity = len(initialData)
+		}
+	}
+}
+
+// New creates a new OrderedMap.
+// options can either be one or several InitOption[K, V], or a single integer,
+// which is then interpreted as a capacity hint, à la make(map[K]V, capacity).
+func New[K comparable, V any](options ...any) *OrderedMap[K, V] { //nolint:varnamelen
+	orderedMap := &OrderedMap[K, V]{}
+
+	var config initConfig[K, V]
+	for _, untypedOption := range options {
+		switch option := untypedOption.(type) {
+		case int:
+			if len(options) != 1 {
+				invalidOption()
+			}
+			config.capacity = option
+
+		case InitOption[K, V]:
+			option(&config)
+
+		default:
+			invalidOption()
+		}
+	}
+
+	orderedMap.initialize(config.capacity)
+	orderedMap.AddPairs(config.initialData...)
+
+	return orderedMap
+}
+
+const invalidOptionMessage = `when using orderedmap.New[K,V]() with options, either provide one or several InitOption[K, V]; or a single integer which is then interpreted as a capacity hint, à la make(map[K]V, capacity).` //nolint:lll
+
+func invalidOption() { panic(invalidOptionMessage) }
+
+func (om *OrderedMap[K, V]) initialize(capacity int) {
+	om.pairs = make(map[K]*Pair[K, V], capacity)
+	om.list = list.New[*Pair[K, V]]()
+}
+
+// Get looks for the given key, and returns the value associated with it,
+// or V's nil value if not found. The boolean it returns says whether the key is present in the map.
+func (om *OrderedMap[K, V]) Get(key K) (val V, present bool) {
+	if pair, present := om.pairs[key]; present {
+		return pair.Value, true
+	}
+
+	return
+}
+
+// Load is an alias for Get, mostly to present an API similar to `sync.Map`'s.
+func (om *OrderedMap[K, V]) Load(key K) (V, bool) {
+	return om.Get(key)
+}
+
+// Value returns the value associated with the given key or the zero value.
+func (om *OrderedMap[K, V]) Value(key K) (val V) {
+	if pair, present := om.pairs[key]; present {
+		val = pair.Value
+	}
+	return
+}
+
+// GetPair looks for the given key, and returns the pair associated with it,
+// or nil if not found. The Pair struct can then be used to iterate over the ordered map
+// from that point, either forward or backward.
+func (om *OrderedMap[K, V]) GetPair(key K) *Pair[K, V] {
+	return om.pairs[key]
+}
+
+// Set sets the key-value pair, and returns what `Get` would have returned
+// on that key prior to the call to `Set`.
+func (om *OrderedMap[K, V]) Set(key K, value V) (val V, present bool) {
+	if pair, present := om.pairs[key]; present {
+		oldValue := pair.Value
+		pair.Value = value
+		return oldValue, true
+	}
+
+	pair := &Pair[K, V]{
+		Key:   key,
+		Value: value,
+	}
+	pair.element = om.list.PushBack(pair)
+	om.pairs[key] = pair
+
+	return
+}
+
+// AddPairs allows setting multiple pairs at a time. It's equivalent to calling
+// Set on each pair sequentially.
+func (om *OrderedMap[K, V]) AddPairs(pairs ...Pair[K, V]) {
+	for _, pair := range pairs {
+		om.Set(pair.Key, pair.Value)
+	}
+}
+
+// Store is an alias for Set, mostly to present an API similar to `sync.Map`'s.
+func (om *OrderedMap[K, V]) Store(key K, value V) (V, bool) {
+	return om.Set(key, value)
+}
+
+// Delete removes the key-value pair, and returns what `Get` would have returned
+// on that key prior to the call to `Delete`.
+func (om *OrderedMap[K, V]) Delete(key K) (val V, present bool) {
+	if pair, present := om.pairs[key]; present {
+		om.list.Remove(pair.element)
+		delete(om.pairs, key)
+		return pair.Value, true
+	}
+	return
+}
+
+// Len returns the length of the ordered map.
+func (om *OrderedMap[K, V]) Len() int {
+	if om == nil || om.pairs == nil {
+		return 0
+	}
+	return len(om.pairs)
+}
+
+// Oldest returns a pointer to the oldest pair. It's meant to be used to iterate on the ordered map's
+// pairs from the oldest to the newest, e.g.:
+// for pair := orderedMap.Oldest(); pair != nil; pair = pair.Next() { fmt.Printf("%v => %v\n", pair.Key, pair.Value) }
+func (om *OrderedMap[K, V]) Oldest() *Pair[K, V] {
+	if om == nil || om.list == nil {
+		return nil
+	}
+	return listElementToPair(om.list.Front())
+}
+
+// Newest returns a pointer to the newest pair. It's meant to be used to iterate on the ordered map's
+// pairs from the newest to the oldest, e.g.:
+// for pair := orderedMap.Oldest(); pair != nil; pair = pair.Next() { fmt.Printf("%v => %v\n", pair.Key, pair.Value) }
+func (om *OrderedMap[K, V]) Newest() *Pair[K, V] {
+	if om == nil || om.list == nil {
+		return nil
+	}
+	return listElementToPair(om.list.Back())
+}
+
+// Next returns a pointer to the next pair.
+func (p *Pair[K, V]) Next() *Pair[K, V] {
+	return listElementToPair(p.element.Next())
+}
+
+// Prev returns a pointer to the previous pair.
+func (p *Pair[K, V]) Prev() *Pair[K, V] {
+	return listElementToPair(p.element.Prev())
+}
+
+func listElementToPair[K comparable, V any](element *list.Element[*Pair[K, V]]) *Pair[K, V] {
+	if element == nil {
+		return nil
+	}
+	return element.Value
+}
+
+// KeyNotFoundError may be returned by functions in this package when they're called with keys that are not present
+// in the map.
+type KeyNotFoundError[K comparable] struct {
+	MissingKey K
+}
+
+func (e *KeyNotFoundError[K]) Error() string {
+	return fmt.Sprintf("missing key: %v", e.MissingKey)
+}
+
+// MoveAfter moves the value associated with key to its new position after the one associated with markKey.
+// Returns an error iff key or markKey are not present in the map. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) MoveAfter(key, markKey K) error {
+	elements, err := om.getElements(key, markKey)
+	if err != nil {
+		return err
+	}
+	om.list.MoveAfter(elements[0], elements[1])
+	return nil
+}
+
+// MoveBefore moves the value associated with key to its new position before the one associated with markKey.
+// Returns an error iff key or markKey are not present in the map. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) MoveBefore(key, markKey K) error {
+	elements, err := om.getElements(key, markKey)
+	if err != nil {
+		return err
+	}
+	om.list.MoveBefore(elements[0], elements[1])
+	return nil
+}
+
+func (om *OrderedMap[K, V]) getElements(keys ...K) ([]*list.Element[*Pair[K, V]], error) {
+	elements := make([]*list.Element[*Pair[K, V]], len(keys))
+	for i, k := range keys {
+		pair, present := om.pairs[k]
+		if !present {
+			return nil, &KeyNotFoundError[K]{k}
+		}
+		elements[i] = pair.element
+	}
+	return elements, nil
+}
+
+// MoveToBack moves the value associated with key to the back of the ordered map,
+// i.e. makes it the newest pair in the map.
+// Returns an error iff key is not present in the map. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) MoveToBack(key K) error {
+	_, err := om.GetAndMoveToBack(key)
+	return err
+}
+
+// MoveToFront moves the value associated with key to the front of the ordered map,
+// i.e. makes it the oldest pair in the map.
+// Returns an error iff key is not present in the map. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) MoveToFront(key K) error {
+	_, err := om.GetAndMoveToFront(key)
+	return err
+}
+
+// GetAndMoveToBack combines Get and MoveToBack in the same call. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) GetAndMoveToBack(key K) (val V, err error) {
+	if pair, present := om.pairs[key]; present {
+		val = pair.Value
+		om.list.MoveToBack(pair.element)
+	} else {
+		err = &KeyNotFoundError[K]{key}
+	}
+
+	return
+}
+
+// GetAndMoveToFront combines Get and MoveToFront in the same call. If an error is returned,
+// it will be a KeyNotFoundError.
+func (om *OrderedMap[K, V]) GetAndMoveToFront(key K) (val V, err error) {
+	if pair, present := om.pairs[key]; present {
+		val = pair.Value
+		om.list.MoveToFront(pair.element)
+	} else {
+		err = &KeyNotFoundError[K]{key}
+	}
+
+	return
+}

common/orderedmap/orderedmap_test.go

@@ -0,0 +1,384 @@
+package orderedmap
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBasicFeatures(t *testing.T) {
+	n := 100
+	om := New[int, int]()
+
+	// set(i, 2 * i)
+	for i := 0; i < n; i++ {
+		assertLenEqual(t, om, i)
+		oldValue, present := om.Set(i, 2*i)
+		assertLenEqual(t, om, i+1)
+
+		assert.Equal(t, 0, oldValue)
+		assert.False(t, present)
+	}
+
+	// get what we just set
+	for i := 0; i < n; i++ {
+		value, present := om.Get(i)
+
+		assert.Equal(t, 2*i, value)
+		assert.Equal(t, value, om.Value(i))
+		assert.True(t, present)
+	}
+
+	// get pairs of what we just set
+	for i := 0; i < n; i++ {
+		pair := om.GetPair(i)
+
+		assert.NotNil(t, pair)
+		assert.Equal(t, 2*i, pair.Value)
+	}
+
+	// forward iteration
+	i := 0
+	for pair := om.Oldest(); pair != nil; pair = pair.Next() {
+		assert.Equal(t, i, pair.Key)
+		assert.Equal(t, 2*i, pair.Value)
+		i++
+	}
+	// backward iteration
+	i = n - 1
+	for pair := om.Newest(); pair != nil; pair = pair.Prev() {
+		assert.Equal(t, i, pair.Key)
+		assert.Equal(t, 2*i, pair.Value)
+		i--
+	}
+
+	// forward iteration starting from known key
+	i = 42
+	for pair := om.GetPair(i); pair != nil; pair = pair.Next() {
+		assert.Equal(t, i, pair.Key)
+		assert.Equal(t, 2*i, pair.Value)
+		i++
+	}
+
+	// double values for pairs with even keys
+	for j := 0; j < n/2; j++ {
+		i = 2 * j
+		oldValue, present := om.Set(i, 4*i)
+
+		assert.Equal(t, 2*i, oldValue)
+		assert.True(t, present)
+	}
+	// and delete pairs with odd keys
+	for j := 0; j < n/2; j++ {
+		i = 2*j + 1
+		assertLenEqual(t, om, n-j)
+		value, present := om.Delete(i)
+		assertLenEqual(t, om, n-j-1)
+
+		assert.Equal(t, 2*i, value)
+		assert.True(t, present)
+
+		// deleting again shouldn't change anything
+		value, present = om.Delete(i)
+		assertLenEqual(t, om, n-j-1)
+		assert.Equal(t, 0, value)
+		assert.False(t, present)
+	}
+
+	// get the whole range
+	for j := 0; j < n/2; j++ {
+		i = 2 * j
+		value, present := om.Get(i)
+		assert.Equal(t, 4*i, value)
+		assert.Equal(t, value, om.Value(i))
+		assert.True(t, present)
+
+		i = 2*j + 1
+		value, present = om.Get(i)
+		assert.Equal(t, 0, value)
+		assert.Equal(t, value, om.Value(i))
+		assert.False(t, present)
+	}
+
+	// check iterations again
+	i = 0
+	for pair := om.Oldest(); pair != nil; pair = pair.Next() {
+		assert.Equal(t, i, pair.Key)
+		assert.Equal(t, 4*i, pair.Value)
+		i += 2
+	}
+	i = 2 * ((n - 1) / 2)
+	for pair := om.Newest(); pair != nil; pair = pair.Prev() {
+		assert.Equal(t, i, pair.Key)
+		assert.Equal(t, 4*i, pair.Value)
+		i -= 2
+	}
+}
+
+func TestUpdatingDoesntChangePairsOrder(t *testing.T) {
+	om := New[string, any]()
+	om.Set("foo", "bar")
+	om.Set("wk", 28)
+	om.Set("po", 100)
+	om.Set("bar", "baz")
+
+	oldValue, present := om.Set("po", 102)
+	assert.Equal(t, 100, oldValue)
+	assert.True(t, present)
+
+	assertOrderedPairsEqual(t, om,
+		[]string{"foo", "wk", "po", "bar"},
+		[]any{"bar", 28, 102, "baz"})
+}
+
+func TestDeletingAndReinsertingChangesPairsOrder(t *testing.T) {
+	om := New[string, any]()
+	om.Set("foo", "bar")
+	om.Set("wk", 28)
+	om.Set("po", 100)
+	om.Set("bar", "baz")
+
+	// delete a pair
+	oldValue, present := om.Delete("po")
+	assert.Equal(t, 100, oldValue)
+	assert.True(t, present)
+
+	// re-insert the same pair
+	oldValue, present = om.Set("po", 100)
+	assert.Nil(t, oldValue)
+	assert.False(t, present)
+
+	assertOrderedPairsEqual(t, om,
+		[]string{"foo", "wk", "bar", "po"},
+		[]any{"bar", 28, "baz", 100})
+}
+
+func TestEmptyMapOperations(t *testing.T) {
+	om := New[string, any]()
+
+	oldValue, present := om.Get("foo")
+	assert.Nil(t, oldValue)
+	assert.Nil(t, om.Value("foo"))
+	assert.False(t, present)
+
+	oldValue, present = om.Delete("bar")
+	assert.Nil(t, oldValue)
+	assert.False(t, present)
+
+	assertLenEqual(t, om, 0)
+
+	assert.Nil(t, om.Oldest())
+	assert.Nil(t, om.Newest())
+}
+
+type dummyTestStruct struct {
+	value string
+}
+
+func TestPackUnpackStructs(t *testing.T) {
+	om := New[string, dummyTestStruct]()
+	om.Set("foo", dummyTestStruct{"foo!"})
+	om.Set("bar", dummyTestStruct{"bar!"})
+
+	value, present := om.Get("foo")
+	assert.True(t, present)
+	assert.Equal(t, value, om.Value("foo"))
+	if assert.NotNil(t, value) {
+		assert.Equal(t, "foo!", value.value)
+	}
+
+	value, present = om.Set("bar", dummyTestStruct{"baz!"})
+	assert.True(t, present)
+	if assert.NotNil(t, value) {
+		assert.Equal(t, "bar!", value.value)
+	}
+
+	value, present = om.Get("bar")
+	assert.Equal(t, value, om.Value("bar"))
+	assert.True(t, present)
+	if assert.NotNil(t, value) {
+		assert.Equal(t, "baz!", value.value)
+	}
+}
+
+// shamelessly stolen from https://github.com/python/cpython/blob/e19a91e45fd54a56e39c2d12e6aaf4757030507f/Lib/test/test_ordered_dict.py#L55-L61
+func TestShuffle(t *testing.T) {
+	ranLen := 100
+
+	for _, n := range []int{0, 10, 20, 100, 1000, 10000} {
+		t.Run(fmt.Sprintf("shuffle test with %d items", n), func(t *testing.T) {
+			om := New[string, string]()
+
+			keys := make([]string, n)
+			values := make([]string, n)
+
+			for i := 0; i < n; i++ {
+				// we prefix with the number to ensure that we don't get any duplicates
+				keys[i] = fmt.Sprintf("%d_%s", i, randomHexString(t, ranLen))
+				values[i] = randomHexString(t, ranLen)
+
+				value, present := om.Set(keys[i], values[i])
+				assert.Equal(t, "", value)
+				assert.False(t, present)
+			}
+
+			assertOrderedPairsEqual(t, om, keys, values)
+		})
+	}
+}
+
+func TestMove(t *testing.T) {
+	om := New[int, any]()
+	om.Set(1, "bar")
+	om.Set(2, 28)
+	om.Set(3, 100)
+	om.Set(4, "baz")
+	om.Set(5, "28")
+	om.Set(6, "100")
+	om.Set(7, "baz")
+	om.Set(8, "baz")
+
+	err := om.MoveAfter(2, 3)
+	assert.Nil(t, err)
+	assertOrderedPairsEqual(t, om,
+		[]int{1, 3, 2, 4, 5, 6, 7, 8},
+		[]any{"bar", 100, 28, "baz", "28", "100", "baz", "baz"})
+
+	err = om.MoveBefore(6, 4)
+	assert.Nil(t, err)
+	assertOrderedPairsEqual(t, om,
+		[]int{1, 3, 2, 6, 4, 5, 7, 8},
+		[]any{"bar", 100, 28, "100", "baz", "28", "baz", "baz"})
+
+	err = om.MoveToBack(3)
+	assert.Nil(t, err)
+	assertOrderedPairsEqual(t, om,
+		[]int{1, 2, 6, 4, 5, 7, 8, 3},
+		[]any{"bar", 28, "100", "baz", "28", "baz", "baz", 100})
+
+	err = om.MoveToFront(5)
+	assert.Nil(t, err)
+	assertOrderedPairsEqual(t, om,
+		[]int{5, 1, 2, 6, 4, 7, 8, 3},
+		[]any{"28", "bar", 28, "100", "baz", "baz", "baz", 100})
+
+	err = om.MoveToFront(100)
+	assert.Equal(t, &KeyNotFoundError[int]{100}, err)
+}
+
+func TestGetAndMove(t *testing.T) {
+	om := New[int, any]()
+	om.Set(1, "bar")
+	om.Set(2, 28)
+	om.Set(3, 100)
+	om.Set(4, "baz")
+	om.Set(5, "28")
+	om.Set(6, "100")
+	om.Set(7, "baz")
+	om.Set(8, "baz")
+
+	value, err := om.GetAndMoveToBack(3)
+	assert.Nil(t, err)
+	assert.Equal(t, 100, value)
+	assertOrderedPairsEqual(t, om,
+		[]int{1, 2, 4, 5, 6, 7, 8, 3},
+		[]any{"bar", 28, "baz", "28", "100", "baz", "baz", 100})
+
+	value, err = om.GetAndMoveToFront(5)
+	assert.Nil(t, err)
+	assert.Equal(t, "28", value)
+	assertOrderedPairsEqual(t, om,
+		[]int{5, 1, 2, 4, 6, 7, 8, 3},
+		[]any{"28", "bar", 28, "baz", "100", "baz", "baz", 100})
+
+	value, err = om.GetAndMoveToBack(100)
+	assert.Equal(t, &KeyNotFoundError[int]{100}, err)
+}
+
+func TestAddPairs(t *testing.T) {
+	om := New[int, any]()
+	om.AddPairs(
+		Pair[int, any]{
+			Key:   28,
+			Value: "foo",
+		},
+		Pair[int, any]{
+			Key:   12,
+			Value: "bar",
+		},
+		Pair[int, any]{
+			Key:   28,
+			Value: "baz",
+		},
+	)
+
+	assertOrderedPairsEqual(t, om,
+		[]int{28, 12},
+		[]any{"baz", "bar"})
+}
+
+// sadly, we can't test the "actual" capacity here, see https://github.com/golang/go/issues/52157
+func TestNewWithCapacity(t *testing.T) {
+	zero := New[int, string](0)
+	assert.Empty(t, zero.Len())
+
+	assert.PanicsWithValue(t, invalidOptionMessage, func() {
+		_ = New[int, string](1, 2)
+	})
+	assert.PanicsWithValue(t, invalidOptionMessage, func() {
+		_ = New[int, string](1, 2, 3)
+	})
+
+	om := New[int, string](-1)
+	om.Set(1337, "quarante-deux")
+	assert.Equal(t, 1, om.Len())
+}
+
+func TestNewWithOptions(t *testing.T) {
+	t.Run("wih capacity", func(t *testing.T) {
+		om := New[string, any](WithCapacity[string, any](98))
+		assert.Equal(t, 0, om.Len())
+	})
+
+	t.Run("with initial data", func(t *testing.T) {
+		om := New[string, int](WithInitialData(
+			Pair[string, int]{
+				Key:   "a",
+				Value: 1,
+			},
+			Pair[string, int]{
+				Key:   "b",
+				Value: 2,
+			},
+			Pair[string, int]{
+				Key:   "c",
+				Value: 3,
+			},
+		))
+
+		assertOrderedPairsEqual(t, om,
+			[]string{"a", "b", "c"},
+			[]int{1, 2, 3})
+	})
+
+	t.Run("with an invalid option type", func(t *testing.T) {
+		assert.PanicsWithValue(t, invalidOptionMessage, func() {
+			_ = New[int, string]("foo")
+		})
+	})
+}
+
+func TestNilMap(t *testing.T) {
+	// we want certain behaviors of a nil ordered map to be the same as they are for standard nil maps
+	var om *OrderedMap[int, any]
+
+	t.Run("len", func(t *testing.T) {
+		assert.Equal(t, 0, om.Len())
+	})
+
+	t.Run("iterating - akin to range", func(t *testing.T) {
+		assert.Nil(t, om.Oldest())
+		assert.Nil(t, om.Newest())
+	})
+}

common/orderedmap/utils_test.go

@@ -0,0 +1,76 @@
+package orderedmap
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// assertOrderedPairsEqual asserts that the map contains the given keys and values
+// from oldest to newest.
+func assertOrderedPairsEqual[K comparable, V any](
+	t *testing.T, orderedMap *OrderedMap[K, V], expectedKeys []K, expectedValues []V,
+) {
+	t.Helper()
+
+	assertOrderedPairsEqualFromNewest(t, orderedMap, expectedKeys, expectedValues)
+	assertOrderedPairsEqualFromOldest(t, orderedMap, expectedKeys, expectedValues)
+}
+
+func assertOrderedPairsEqualFromNewest[K comparable, V any](
+	t *testing.T, orderedMap *OrderedMap[K, V], expectedKeys []K, expectedValues []V,
+) {
+	t.Helper()
+
+	if assert.Equal(t, len(expectedKeys), len(expectedValues)) && assert.Equal(t, len(expectedKeys), orderedMap.Len()) {
+		i := orderedMap.Len() - 1
+		for pair := orderedMap.Newest(); pair != nil; pair = pair.Prev() {
+			assert.Equal(t, expectedKeys[i], pair.Key, "from newest index=%d on key", i)
+			assert.Equal(t, expectedValues[i], pair.Value, "from newest index=%d on value", i)
+			i--
+		}
+	}
+}
+
+func assertOrderedPairsEqualFromOldest[K comparable, V any](
+	t *testing.T, orderedMap *OrderedMap[K, V], expectedKeys []K, expectedValues []V,
+) {
+	t.Helper()
+
+	if assert.Equal(t, len(expectedKeys), len(expectedValues)) && assert.Equal(t, len(expectedKeys), orderedMap.Len()) {
+		i := 0
+		for pair := orderedMap.Oldest(); pair != nil; pair = pair.Next() {
+			assert.Equal(t, expectedKeys[i], pair.Key, "from oldest index=%d on key", i)
+			assert.Equal(t, expectedValues[i], pair.Value, "from oldest index=%d on value", i)
+			i++
+		}
+	}
+}
+
+func assertLenEqual[K comparable, V any](t *testing.T, orderedMap *OrderedMap[K, V], expectedLen int) {
+	t.Helper()
+
+	assert.Equal(t, expectedLen, orderedMap.Len())
+
+	// also check the list length, for good measure
+	assert.Equal(t, expectedLen, orderedMap.list.Len())
+}
+
+func randomHexString(t *testing.T, length int) string {
+	t.Helper()
+
+	b := length / 2 //nolint:gomnd
+	randBytes := make([]byte, b)
+
+	if n, err := rand.Read(randBytes); err != nil || n != b {
+		if err == nil {
+			err = fmt.Errorf("only got %v random bytes, expected %v", n, b)
+		}
+		t.Fatal(err)
+	}
+
+	return hex.EncodeToString(randBytes)
+}

common/orderedmap/yaml.go

@@ -0,0 +1,71 @@
+package orderedmap
+
+import (
+	"fmt"
+
+	"gopkg.in/yaml.v3"
+)
+
+var (
+	_ yaml.Marshaler   = &OrderedMap[int, any]{}
+	_ yaml.Unmarshaler = &OrderedMap[int, any]{}
+)
+
+// MarshalYAML implements the yaml.Marshaler interface.
+func (om *OrderedMap[K, V]) MarshalYAML() (interface{}, error) {
+	if om == nil {
+		return []byte("null"), nil
+	}
+
+	node := yaml.Node{
+		Kind: yaml.MappingNode,
+	}
+
+	for pair := om.Oldest(); pair != nil; pair = pair.Next() {
+		key, value := pair.Key, pair.Value
+
+		keyNode := &yaml.Node{}
+
+		// serialize key to yaml, then deserialize it back into the node
+		// this is a hack to get the correct tag for the key
+		if err := keyNode.Encode(key); err != nil {
+			return nil, err
+		}
+
+		valueNode := &yaml.Node{}
+		if err := valueNode.Encode(value); err != nil {
+			return nil, err
+		}
+
+		node.Content = append(node.Content, keyNode, valueNode)
+	}
+
+	return &node, nil
+}
+
+// UnmarshalYAML implements the yaml.Unmarshaler interface.
+func (om *OrderedMap[K, V]) UnmarshalYAML(value *yaml.Node) error {
+	if value.Kind != yaml.MappingNode {
+		return fmt.Errorf("pipeline must contain YAML mapping, has %v", value.Kind)
+	}
+
+	if om.list == nil {
+		om.initialize(0)
+	}
+
+	for index := 0; index < len(value.Content); index += 2 {
+		var key K
+		var val V
+
+		if err := value.Content[index].Decode(&key); err != nil {
+			return err
+		}
+		if err := value.Content[index+1].Decode(&val); err != nil {
+			return err
+		}
+
+		om.Set(key, val)
+	}
+
+	return nil
+}

common/orderedmap/yaml_fuzz_test.go

@@ -0,0 +1,82 @@
+package orderedmap
+
+// Adapted from https://github.com/dvyukov/go-fuzz-corpus/blob/c42c1b2/json/json.go
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func FuzzRoundTripYAML(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		for _, testCase := range []struct {
+			name        string
+			constructor func() any
+			// should be a function that asserts that 2 objects of the type returned by constructor are equal
+			equalityAssertion func(*testing.T, any, any) bool
+		}{
+			{
+				name:              "with a string -> string map",
+				constructor:       func() any { return &OrderedMap[string, string]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, string],
+			},
+			{
+				name:              "with a string -> int map",
+				constructor:       func() any { return &OrderedMap[string, int]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, int],
+			},
+			{
+				name:              "with a string -> any map",
+				constructor:       func() any { return &OrderedMap[string, any]{} },
+				equalityAssertion: assertOrderedMapsEqual[string, any],
+			},
+			{
+				name:              "with a struct with map fields",
+				constructor:       func() any { return new(testFuzzStruct) },
+				equalityAssertion: assertTestFuzzStructEqual,
+			},
+		} {
+			t.Run(testCase.name, func(t *testing.T) {
+				v1 := testCase.constructor()
+				if yaml.Unmarshal(data, v1) != nil {
+					return
+				}
+				t.Log(data)
+				t.Log(v1)
+
+				yamlData, err := yaml.Marshal(v1)
+				require.NoError(t, err)
+				t.Log(string(yamlData))
+
+				v2 := testCase.constructor()
+				err = yaml.Unmarshal(yamlData, v2)
+				if err != nil {
+					t.Log(string(yamlData))
+					t.Fatal(err)
+				}
+
+				if !assert.True(t, testCase.equalityAssertion(t, v1, v2), "failed with input data %q", string(data)) {
+					// look at that what the standard lib does with regular map, to help with debugging
+
+					var m1 map[string]any
+					require.NoError(t, yaml.Unmarshal(data, &m1))
+
+					mapJsonData, err := yaml.Marshal(m1)
+					require.NoError(t, err)
+
+					var m2 map[string]any
+					require.NoError(t, yaml.Unmarshal(mapJsonData, &m2))
+
+					t.Logf("initial data = %s", string(data))
+					t.Logf("unmarshalled map = %v", m1)
+					t.Logf("re-marshalled from map = %s", string(mapJsonData))
+					t.Logf("re-marshalled from test obj = %s", string(yamlData))
+					t.Logf("re-unmarshalled map = %s", m2)
+				}
+			})
+		}
+	})
+}

common/orderedmap/yaml_test.go

@@ -0,0 +1,334 @@
+package orderedmap
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func TestMarshalYAML(t *testing.T) {
+	t.Run("int key", func(t *testing.T) {
+		om := New[int, any]()
+		om.Set(1, "bar")
+		om.Set(7, "baz")
+		om.Set(2, 28)
+		om.Set(3, 100)
+		om.Set(4, "baz")
+		om.Set(5, "28")
+		om.Set(6, "100")
+		om.Set(8, "baz")
+		om.Set(8, "baz")
+		om.Set(9, "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque auctor augue accumsan mi maximus, quis viverra massa pretium. Phasellus imperdiet sapien a interdum sollicitudin. Duis at commodo lectus, a lacinia sem.")
+
+		b, err := yaml.Marshal(om)
+
+		expected := `1: bar
+7: baz
+2: 28
+3: 100
+4: baz
+5: "28"
+6: "100"
+8: baz
+9: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque auctor augue accumsan mi maximus, quis viverra massa pretium. Phasellus imperdiet sapien a interdum sollicitudin. Duis at commodo lectus, a lacinia sem.
+`
+		assert.NoError(t, err)
+		assert.Equal(t, expected, string(b))
+	})
+
+	t.Run("string key", func(t *testing.T) {
+		om := New[string, any]()
+		om.Set("test", "bar")
+		om.Set("abc", true)
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		expected := `test: bar
+abc: true
+`
+		assert.Equal(t, expected, string(b))
+	})
+
+	t.Run("typed string key", func(t *testing.T) {
+		type myString string
+		om := New[myString, any]()
+		om.Set("test", "bar")
+		om.Set("abc", true)
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `test: bar
+abc: true
+`, string(b))
+	})
+
+	t.Run("typed int key", func(t *testing.T) {
+		type myInt uint32
+		om := New[myInt, any]()
+		om.Set(1, "bar")
+		om.Set(7, "baz")
+		om.Set(2, 28)
+		om.Set(3, 100)
+		om.Set(4, "baz")
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `1: bar
+7: baz
+2: 28
+3: 100
+4: baz
+`, string(b))
+	})
+
+	t.Run("TextMarshaller key", func(t *testing.T) {
+		om := New[marshallable, any]()
+		om.Set(marshallable(1), "bar")
+		om.Set(marshallable(28), true)
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, `'#1#': bar
+'#28#': true
+`, string(b))
+	})
+
+	t.Run("empty map with 0 elements", func(t *testing.T) {
+		om := New[string, any]()
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, "{}\n", string(b))
+	})
+
+	t.Run("empty map with no elements (null)", func(t *testing.T) {
+		om := &OrderedMap[string, string]{}
+
+		b, err := yaml.Marshal(om)
+		assert.NoError(t, err)
+		assert.Equal(t, "{}\n", string(b))
+	})
+}
+
+func TestUnmarshallYAML(t *testing.T) {
+	t.Run("int key", func(t *testing.T) {
+		data := `
+1: bar
+7: baz
+2: 28
+3: 100
+4: baz
+5: "28"
+6: "100"
+8: baz
+`
+		om := New[int, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]int{1, 7, 2, 3, 4, 5, 6, 8},
+			[]any{"bar", "baz", 28, 100, "baz", "28", "100", "baz"})
+
+		// serialize back to yaml to make sure things are equal
+	})
+
+	t.Run("string key", func(t *testing.T) {
+		data := `{"test":"bar","abc":true}`
+
+		om := New[string, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]string{"test", "abc"},
+			[]any{"bar", true})
+	})
+
+	t.Run("typed string key", func(t *testing.T) {
+		data := `{"test":"bar","abc":true}`
+
+		type myString string
+		om := New[myString, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]myString{"test", "abc"},
+			[]any{"bar", true})
+	})
+
+	t.Run("typed int key", func(t *testing.T) {
+		data := `
+1: bar
+7: baz
+2: 28
+3: 100
+4: baz
+5: "28"
+6: "100"
+8: baz
+`
+		type myInt uint32
+		om := New[myInt, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]myInt{1, 7, 2, 3, 4, 5, 6, 8},
+			[]any{"bar", "baz", 28, 100, "baz", "28", "100", "baz"})
+	})
+
+	t.Run("TextUnmarshaler key", func(t *testing.T) {
+		data := `{"#1#":"bar","#28#":true}`
+
+		om := New[marshallable, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertOrderedPairsEqual(t, om,
+			[]marshallable{1, 28},
+			[]any{"bar", true})
+	})
+
+	t.Run("when fed with an input that's not an object", func(t *testing.T) {
+		for _, data := range []string{"true", `["foo"]`, "42", `"foo"`} {
+			om := New[int, any]()
+			require.Error(t, yaml.Unmarshal([]byte(data), &om))
+		}
+	})
+
+	t.Run("empty map", func(t *testing.T) {
+		data := `{}`
+
+		om := New[int, any]()
+		require.NoError(t, yaml.Unmarshal([]byte(data), &om))
+
+		assertLenEqual(t, om, 0)
+	})
+}
+
+func TestYAMLSpecialCharacters(t *testing.T) {
+	baselineMap := map[string]any{specialCharacters: specialCharacters}
+	baselineData, err := yaml.Marshal(baselineMap)
+	require.NoError(t, err) // baseline proves this key is supported by official yaml library
+	t.Logf("specialCharacters: %#v as []rune:%v", specialCharacters, []rune(specialCharacters))
+	t.Logf("baseline yaml data: %s", baselineData)
+
+	t.Run("marshal special characters", func(t *testing.T) {
+		om := New[string, any]()
+		om.Set(specialCharacters, specialCharacters)
+		b, err := yaml.Marshal(om)
+		require.NoError(t, err)
+		require.Equal(t, baselineData, b)
+
+		type myString string
+		om2 := New[myString, myString]()
+		om2.Set(specialCharacters, specialCharacters)
+		b, err = yaml.Marshal(om2)
+		require.NoError(t, err)
+		require.Equal(t, baselineData, b)
+	})
+
+	t.Run("unmarshall special characters", func(t *testing.T) {
+		om := New[string, any]()
+		require.NoError(t, yaml.Unmarshal(baselineData, &om))
+		assertOrderedPairsEqual(t, om,
+			[]string{specialCharacters},
+			[]any{specialCharacters})
+
+		type myString string
+		om2 := New[myString, myString]()
+		require.NoError(t, yaml.Unmarshal(baselineData, &om2))
+		assertOrderedPairsEqual(t, om2,
+			[]myString{specialCharacters},
+			[]myString{specialCharacters})
+	})
+}
+
+func TestYAMLRoundTrip(t *testing.T) {
+	for _, testCase := range []struct {
+		name          string
+		input         string
+		targetFactory func() any
+	}{
+		{
+			name:  "empty map",
+			input: "{}\n",
+			targetFactory: func() any {
+				return &OrderedMap[string, any]{}
+			},
+		},
+		{
+			name: "",
+			input: `x: 28
+m:
+    bar:
+        - 5:
+            foo: bar
+    foo:
+        - 12:
+            b: true
+            i: 12
+            m:
+                a: b
+                c: 28
+            "n": null
+          28:
+            a: false
+            b:
+                - 1
+                - 2
+                - 3
+        - 3:
+            c: null
+            d: 87
+          4:
+            e: true
+          5:
+            f: 4
+            g: 5
+            h: 6
+`,
+			targetFactory: func() any { return &nestedMaps{} },
+		},
+		{
+			name:          "with UTF-8 special chars in key",
+			input:         "<22>: 0\n",
+			targetFactory: func() any { return &OrderedMap[string, int]{} },
+		},
+	} {
+		t.Run(testCase.name, func(t *testing.T) {
+			target := testCase.targetFactory()
+
+			require.NoError(t, yaml.Unmarshal([]byte(testCase.input), target))
+
+			var (
+				out []byte
+				err error
+			)
+
+			out, err = yaml.Marshal(target)
+
+			if assert.NoError(t, err) {
+				assert.Equal(t, testCase.input, string(out))
+			}
+		})
+	}
+}
+
+func BenchmarkMarshalYAML(b *testing.B) {
+	om := New[int, any]()
+	om.Set(1, "bar")
+	om.Set(7, "baz")
+	om.Set(2, 28)
+	om.Set(3, 100)
+	om.Set(4, "baz")
+	om.Set(5, "28")
+	om.Set(6, "100")
+	om.Set(8, "baz")
+	om.Set(8, "baz")
+
+	b.ResetTimer()
+
+	for i := 0; i < b.N; i++ {
+		_, _ = yaml.Marshal(om)
+	}
+}

common/queue/queue.go

@@ -2,8 +2,6 @@ package queue
 
 import (
 	"sync"
-
-	"github.com/samber/lo"
 )
 
 // Queue is a simple concurrent safe queue
@@ -24,33 +22,32 @@ func (q *Queue[T]) Put(items ...T) {
 }
 
 // Pop returns the head of items.
-func (q *Queue[T]) Pop() T {
+func (q *Queue[T]) Pop() (head T) {
 	if len(q.items) == 0 {
-		return lo.Empty[T]()
+		return
 	}
 
 	q.lock.Lock()
-	head := q.items[0]
+	head = q.items[0]
 	q.items = q.items[1:]
 	q.lock.Unlock()
 	return head
 }
 
 // Last returns the last of item.
-func (q *Queue[T]) Last() T {
+func (q *Queue[T]) Last() (last T) {
 	if len(q.items) == 0 {
-		return lo.Empty[T]()
+		return
 	}
 
 	q.lock.RLock()
-	last := q.items[len(q.items)-1]
+	last = q.items[len(q.items)-1]
 	q.lock.RUnlock()
 	return last
 }
 
 // Copy get the copy of queue.
-func (q *Queue[T]) Copy() []T {
-	items := []T{}
+func (q *Queue[T]) Copy() (items []T) {
 	q.lock.RLock()
 	items = append(items, q.items...)
 	q.lock.RUnlock()

common/queue/queue_test.go

@@ -0,0 +1,215 @@
+package queue
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestQueuePut tests the Put method of Queue
+func TestQueuePut(t *testing.T) {
+	// Initialize a new queue
+	q := New[int](10)
+
+	// Test putting a single item
+	q.Put(1)
+	assert.Equal(t, int64(1), q.Len(), "Queue length should be 1 after putting one item")
+
+	// Test putting multiple items
+	q.Put(2, 3, 4)
+	assert.Equal(t, int64(4), q.Len(), "Queue length should be 4 after putting three more items")
+
+	// Test putting zero items (should not change queue)
+	q.Put()
+	assert.Equal(t, int64(4), q.Len(), "Queue length should remain unchanged when putting zero items")
+}
+
+// TestQueuePop tests the Pop method of Queue
+func TestQueuePop(t *testing.T) {
+	// Initialize a new queue with items
+	q := New[int](10)
+	q.Put(1, 2, 3)
+
+	// Test popping items in FIFO order
+	item := q.Pop()
+	assert.Equal(t, 1, item, "First item popped should be 1")
+	assert.Equal(t, int64(2), q.Len(), "Queue length should be 2 after popping one item")
+
+	item = q.Pop()
+	assert.Equal(t, 2, item, "Second item popped should be 2")
+	assert.Equal(t, int64(1), q.Len(), "Queue length should be 1 after popping two items")
+
+	item = q.Pop()
+	assert.Equal(t, 3, item, "Third item popped should be 3")
+	assert.Equal(t, int64(0), q.Len(), "Queue length should be 0 after popping all items")
+}
+
+// TestQueuePopEmpty tests the Pop method on an empty queue
+func TestQueuePopEmpty(t *testing.T) {
+	// Initialize a new empty queue
+	q := New[int](0)
+
+	// Test popping from an empty queue
+	item := q.Pop()
+	assert.Equal(t, 0, item, "Popping from an empty queue should return the zero value")
+	assert.Equal(t, int64(0), q.Len(), "Queue length should remain 0 after popping from an empty queue")
+}
+
+// TestQueueLast tests the Last method of Queue
+func TestQueueLast(t *testing.T) {
+	// Initialize a new queue with items
+	q := New[int](10)
+	q.Put(1, 2, 3)
+
+	// Test getting the last item
+	item := q.Last()
+	assert.Equal(t, 3, item, "Last item should be 3")
+	assert.Equal(t, int64(3), q.Len(), "Queue length should remain unchanged after calling Last")
+
+	// Test Last on an empty queue
+	emptyQ := New[int](0)
+	emptyItem := emptyQ.Last()
+	assert.Equal(t, 0, emptyItem, "Last on an empty queue should return the zero value")
+}
+
+// TestQueueCopy tests the Copy method of Queue
+func TestQueueCopy(t *testing.T) {
+	// Initialize a new queue with items
+	q := New[int](10)
+	q.Put(1, 2, 3)
+
+	// Test copying the queue
+	copy := q.Copy()
+	assert.Equal(t, 3, len(copy), "Copy should have the same number of items as the original queue")
+	assert.Equal(t, 1, copy[0], "First item in copy should be 1")
+	assert.Equal(t, 2, copy[1], "Second item in copy should be 2")
+	assert.Equal(t, 3, copy[2], "Third item in copy should be 3")
+
+	// Verify that modifying the copy doesn't affect the original queue
+	copy[0] = 99
+	assert.Equal(t, 1, q.Pop(), "Original queue should not be affected by modifying the copy")
+}
+
+// TestQueueLen tests the Len method of Queue
+func TestQueueLen(t *testing.T) {
+	// Initialize a new empty queue
+	q := New[int](10)
+	assert.Equal(t, int64(0), q.Len(), "New queue should have length 0")
+
+	// Add items and check length
+	q.Put(1, 2)
+	assert.Equal(t, int64(2), q.Len(), "Queue length should be 2 after putting two items")
+
+	// Remove an item and check length
+	q.Pop()
+	assert.Equal(t, int64(1), q.Len(), "Queue length should be 1 after popping one item")
+}
+
+// TestQueueNew tests the New constructor
+func TestQueueNew(t *testing.T) {
+	// Test creating a new queue with different hints
+	q1 := New[int](0)
+	assert.NotNil(t, q1, "New queue should not be nil")
+	assert.Equal(t, int64(0), q1.Len(), "New queue should have length 0")
+
+	q2 := New[int](10)
+	assert.NotNil(t, q2, "New queue should not be nil")
+	assert.Equal(t, int64(0), q2.Len(), "New queue should have length 0")
+
+	// Test with a different type
+	q3 := New[string](5)
+	assert.NotNil(t, q3, "New queue should not be nil")
+	assert.Equal(t, int64(0), q3.Len(), "New queue should have length 0")
+}
+
+// TestQueueConcurrency tests the concurrency safety of Queue
+func TestQueueConcurrency(t *testing.T) {
+	// Initialize a new queue
+	q := New[int](100)
+
+	// Number of goroutines and operations
+	goroutines := 10
+	operations := 100
+
+	// Wait group to synchronize goroutines
+	wg := sync.WaitGroup{}
+	wg.Add(goroutines * 2) // For both producers and consumers
+
+	// Start producer goroutines
+	for i := 0; i < goroutines; i++ {
+		go func(id int) {
+			defer wg.Done()
+			for j := 0; j < operations; j++ {
+				q.Put(id*operations + j)
+				// Small sleep to increase chance of race conditions
+				time.Sleep(time.Microsecond)
+			}
+		}(i)
+	}
+
+	// Start consumer goroutines
+	consumed := make(chan int, goroutines*operations)
+	for i := 0; i < goroutines; i++ {
+		go func() {
+			defer wg.Done()
+			for j := 0; j < operations; j++ {
+				// Try to pop an item, but don't block if queue is empty
+				// Use a mutex to avoid race condition between Len() check and Pop()
+				q.lock.Lock()
+				if len(q.items) > 0 {
+					item := q.items[0]
+					q.items = q.items[1:]
+					q.lock.Unlock()
+					consumed <- item
+				} else {
+					q.lock.Unlock()
+				}
+				// Small sleep to increase chance of race conditions
+				time.Sleep(time.Microsecond)
+			}
+		}()
+	}
+
+	// Wait for all goroutines to finish
+	wg.Wait()
+	// Close the consumed channel
+	close(consumed)
+
+	// Count the number of consumed items
+	consumedCount := 0
+	for range consumed {
+		consumedCount++
+	}
+
+	// Check that the queue is in a consistent state
+	totalItems := goroutines * operations
+	remaining := int(q.Len())
+	assert.Equal(t, totalItems, consumedCount+remaining, "Total items should equal consumed items plus remaining items")
+}
+
+// TestQueueWithDifferentTypes tests the Queue with different types
+func TestQueueWithDifferentTypes(t *testing.T) {
+	// Test with string type
+	qString := New[string](5)
+	qString.Put("hello", "world")
+	assert.Equal(t, int64(2), qString.Len(), "Queue length should be 2")
+	assert.Equal(t, "hello", qString.Pop(), "First item should be 'hello'")
+	assert.Equal(t, "world", qString.Pop(), "Second item should be 'world'")
+
+	// Test with struct type
+	type Person struct {
+		Name string
+		Age  int
+	}
+
+	qStruct := New[Person](5)
+	qStruct.Put(Person{Name: "Alice", Age: 30}, Person{Name: "Bob", Age: 25})
+	assert.Equal(t, int64(2), qStruct.Len(), "Queue length should be 2")
+
+	firstPerson := qStruct.Pop()
+	assert.Equal(t, "Alice", firstPerson.Name, "First person's name should be 'Alice'")
+	secondPerson := qStruct.Pop()
+	assert.Equal(t, "Bob", secondPerson.Name, "Second person's name should be 'Bob'")
+}

common/structure/structure.go

@@ -53,6 +53,12 @@ func (d *Decoder) Decode(src map[string]any, dst any) error {
 		key, omitKey, found := strings.Cut(tag, ",")
 		omitempty := found && omitKey == "omitempty"
 
+		// As a special case, if the field tag is "-", the field is always omitted.
+		// Note that a field with name "-" can still be generated using the tag "-,".
+		if key == "-" {
+			continue
+		}
+
 		value, ok := src[key]
 		if !ok {
 			if d.option.KeyReplacer != nil {
@@ -283,7 +289,7 @@ func (d *Decoder) decodeBool(name string, data any, val reflect.Value) (err erro
 	case isInt(kind) && d.option.WeaklyTypedInput:
 		val.SetBool(dataVal.Int() != 0)
 	case isUint(kind) && d.option.WeaklyTypedInput:
-		val.SetString(strconv.FormatUint(dataVal.Uint(), 10))
+		val.SetBool(dataVal.Uint() != 0)
 	default:
 		err = fmt.Errorf(
 			"'%s' expected type '%s', got unconvertible type '%s'",
@@ -511,6 +517,10 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 			fieldName = tagValue
 		}
 
+		if tagValue == "-" {
+			continue
+		}
+
 		rawMapKey := reflect.ValueOf(fieldName)
 		rawMapVal := dataVal.MapIndex(rawMapKey)
 		if !rawMapVal.IsValid() {

common/structure/structure_test.go

@@ -288,3 +288,47 @@ func TestStructure_Null(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, s.Opt.Bar, "")
 }
+
+func TestStructure_Ignore(t *testing.T) {
+	rawMap := map[string]any{
+		"-": "newData",
+	}
+
+	s := struct {
+		MustIgnore string `test:"-"`
+	}{MustIgnore: "oldData"}
+
+	err := decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+
+	// test omitempty
+	delete(rawMap, "-")
+	err = decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+}
+
+func TestStructure_IgnoreInNest(t *testing.T) {
+	rawMap := map[string]any{
+		"-": "newData",
+	}
+
+	type TP struct {
+		MustIgnore string `test:"-"`
+	}
+
+	s := struct {
+		TP
+	}{TP{MustIgnore: "oldData"}}
+
+	err := decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+
+	// test omitempty
+	delete(rawMap, "-")
+	err = decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+}

common/xsync/map_extra.go

@@ -0,0 +1,28 @@
+package xsync
+
+// LoadOrStoreFn returns the existing value for the key if
+// present. Otherwise, it tries to compute the value using the
+// provided function and, if successful, stores and returns
+// the computed value. The loaded result is true if the value was
+// loaded, or false if computed.
+//
+// This call locks a hash table bucket while the compute function
+// is executed. It means that modifications on other entries in
+// the bucket will be blocked until the valueFn executes. Consider
+// this when the function includes long-running operations.
+//
+// Recovery this API and renamed from xsync/v3's LoadOrCompute.
+// We unneeded support no-op (cancel) compute operation, it will only add complexity to existing code.
+func (m *Map[K, V]) LoadOrStoreFn(key K, valueFn func() V) (actual V, loaded bool) {
+	return m.doCompute(
+		key,
+		func(oldValue V, loaded bool) (V, ComputeOp) {
+			if loaded {
+				return oldValue, CancelOp
+			}
+			return valueFn(), UpdateOp
+		},
+		loadOrComputeOp,
+		false,
+	)
+}

common/xsync/map_extra_test.go

@@ -0,0 +1,49 @@
+package xsync
+
+import (
+	"strconv"
+	"testing"
+)
+
+func TestMapOfLoadOrStoreFn(t *testing.T) {
+	const numEntries = 1000
+	m := NewMap[string, int]()
+	for i := 0; i < numEntries; i++ {
+		v, loaded := m.LoadOrStoreFn(strconv.Itoa(i), func() int {
+			return i
+		})
+		if loaded {
+			t.Fatalf("value not computed for %d", i)
+		}
+		if v != i {
+			t.Fatalf("values do not match for %d: %v", i, v)
+		}
+	}
+	for i := 0; i < numEntries; i++ {
+		v, loaded := m.LoadOrStoreFn(strconv.Itoa(i), func() int {
+			return i
+		})
+		if !loaded {
+			t.Fatalf("value not loaded for %d", i)
+		}
+		if v != i {
+			t.Fatalf("values do not match for %d: %v", i, v)
+		}
+	}
+}
+
+func TestMapOfLoadOrStoreFn_FunctionCalledOnce(t *testing.T) {
+	m := NewMap[int, int]()
+	for i := 0; i < 100; {
+		m.LoadOrStoreFn(i, func() (v int) {
+			v, i = i, i+1
+			return v
+		})
+	}
+	m.Range(func(k, v int) bool {
+		if k != v {
+			t.Fatalf("%dth key is not equal to value %d", k, v)
+		}
+		return true
+	})
+}

common/yaml/yaml.go

@@ -0,0 +1,14 @@
+// Package yaml provides a common entrance for YAML marshaling and unmarshalling.
+package yaml
+
+import (
+	"gopkg.in/yaml.v3"
+)
+
+func Unmarshal(in []byte, out any) (err error) {
+	return yaml.Unmarshal(in, out)
+}
+
+func Marshal(in any) (out []byte, err error) {
+	return yaml.Marshal(in)
+}

component/ca/auth.go

@@ -0,0 +1,45 @@
+package ca
+
+import (
+	"github.com/metacubex/tls"
+)
+
+type ClientAuthType = tls.ClientAuthType
+
+const (
+	NoClientCert               = tls.NoClientCert
+	RequestClientCert          = tls.RequestClientCert
+	RequireAnyClientCert       = tls.RequireAnyClientCert
+	VerifyClientCertIfGiven    = tls.VerifyClientCertIfGiven
+	RequireAndVerifyClientCert = tls.RequireAndVerifyClientCert
+)
+
+func ClientAuthTypeFromString(s string) ClientAuthType {
+	switch s {
+	case "request":
+		return RequestClientCert
+	case "require-any":
+		return RequireAnyClientCert
+	case "verify-if-given":
+		return VerifyClientCertIfGiven
+	case "require-and-verify":
+		return RequireAndVerifyClientCert
+	default:
+		return NoClientCert
+	}
+}
+
+func ClientAuthTypeToString(t ClientAuthType) string {
+	switch t {
+	case RequestClientCert:
+		return "request"
+	case RequireAnyClientCert:
+		return "require-any"
+	case VerifyClientCertIfGiven:
+		return "verify-if-given"
+	case RequireAndVerifyClientCert:
+		return "require-and-verify"
+	default:
+		return ""
+	}
+}

component/ca/config.go

@@ -1,7 +1,6 @@
 package ca
 
 import (
-	"crypto/tls"
 	"crypto/x509"
 	_ "embed"
 	"errors"
@@ -10,7 +9,10 @@ import (
 	"strconv"
 	"sync"
 
-	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/common/once"
+	"github.com/metacubex/mihomo/ntp"
+
+	"github.com/metacubex/tls"
 )
 
 var globalCertPool *x509.CertPool
@@ -65,70 +67,68 @@ func ResetCertificate() {
 	initializeCertPool()
 }
 
-func getCertPool() *x509.CertPool {
+func GetCertPool() *x509.CertPool {
+	mutex.Lock()
+	defer mutex.Unlock()
 	if globalCertPool == nil {
-		mutex.Lock()
-		defer mutex.Unlock()
-		if globalCertPool != nil {
-			return globalCertPool
-		}
 		initializeCertPool()
 	}
 	return globalCertPool
 }
 
-func GetCertPool(customCA string, customCAString string) (*x509.CertPool, error) {
-	var certificate []byte
-	var err error
-	if len(customCA) > 0 {
-		path := C.Path.Resolve(customCA)
-		if !C.Path.IsSafePath(path) {
-			return nil, C.Path.ErrNotSafePath(path)
-		}
-		certificate, err = os.ReadFile(path)
-		if err != nil {
-			return nil, fmt.Errorf("load ca error: %w", err)
-		}
-	} else if customCAString != "" {
-		certificate = []byte(customCAString)
-	}
-	if len(certificate) > 0 {
-		certPool := x509.NewCertPool()
-		if !certPool.AppendCertsFromPEM(certificate) {
-			return nil, fmt.Errorf("failed to parse certificate:\n\n %s", certificate)
-		}
-		return certPool, nil
-	} else {
-		return getCertPool(), nil
-	}
+type Option struct {
+	TLSConfig   *tls.Config
+	Fingerprint string
+	ZeroTrust   bool
+	Certificate string
+	PrivateKey  string
 }
 
-// GetTLSConfig specified fingerprint, customCA and customCAString
-func GetTLSConfig(tlsConfig *tls.Config, fingerprint string, customCA string, customCAString string) (_ *tls.Config, err error) {
+func GetTLSConfig(opt Option) (tlsConfig *tls.Config, err error) {
+	tlsConfig = opt.TLSConfig
 	if tlsConfig == nil {
 		tlsConfig = &tls.Config{}
 	}
-	tlsConfig.RootCAs, err = GetCertPool(customCA, customCAString)
-	if err != nil {
-		return nil, err
+	tlsConfig.Time = ntp.Now
+
+	if opt.ZeroTrust {
+		tlsConfig.RootCAs = zeroTrustCertPool()
+	} else {
+		tlsConfig.RootCAs = GetCertPool()
 	}
 
-	if len(fingerprint) > 0 {
-		tlsConfig.VerifyPeerCertificate, err = NewFingerprintVerifier(fingerprint)
+	if len(opt.Fingerprint) > 0 {
+		verifier, err := NewFingerprintVerifier(opt.Fingerprint, tlsConfig.Time)
 		if err != nil {
 			return nil, err
 		}
+		tlsConfig.VerifyConnection = func(state tls.ConnectionState) error {
+			// [ConnectionState.ServerName] can return the actual ServerName needed for verification,
+			// avoiding inconsistencies caused by [tlsConfig.ServerName] being modified after the [NewFingerprintVerifier] call.
+			// https://github.com/golang/go/issues/36736#issuecomment-587925536
+			return verifier(state.PeerCertificates, state.ServerName)
+		}
 		tlsConfig.InsecureSkipVerify = true
 	}
+
+	if len(opt.Certificate) > 0 || len(opt.PrivateKey) > 0 {
+		certLoader, err := NewTLSKeyPairLoader(opt.Certificate, opt.PrivateKey)
+		if err != nil {
+			return nil, err
+		}
+		tlsConfig.GetClientCertificate = func(*tls.CertificateRequestInfo) (*tls.Certificate, error) {
+			return certLoader()
+		}
+	}
 	return tlsConfig, nil
 }
 
-// GetSpecifiedFingerprintTLSConfig specified fingerprint
-func GetSpecifiedFingerprintTLSConfig(tlsConfig *tls.Config, fingerprint string) (*tls.Config, error) {
-	return GetTLSConfig(tlsConfig, fingerprint, "", "")
-}
-
-func GetGlobalTLSConfig(tlsConfig *tls.Config) *tls.Config {
-	tlsConfig, _ = GetTLSConfig(tlsConfig, "", "", "")
-	return tlsConfig
-}
+var zeroTrustCertPool = once.OnceValue(func() *x509.CertPool {
+	if len(_CaCertificates) != 0 { // always using embed cert first
+		zeroTrustCertPool := x509.NewCertPool()
+		if zeroTrustCertPool.AppendCertsFromPEM(_CaCertificates) {
+			return zeroTrustCertPool
+		}
+	}
+	return nil // fallback to system pool
+})

component/ca/fingerprint.go

@@ -7,10 +7,11 @@ import (
 	"encoding/hex"
 	"fmt"
 	"strings"
+	"time"
 )
 
 // NewFingerprintVerifier returns a function that verifies whether a certificate's SHA-256 fingerprint matches the given one.
-func NewFingerprintVerifier(fingerprint string) (func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error, error) {
+func NewFingerprintVerifier(fingerprint string, time func() time.Time) (func(certs []*x509.Certificate, serverName string) error, error) {
 	switch fingerprint {
 	case "chrome", "firefox", "safari", "ios", "android", "edge", "360", "qq", "random", "randomized": // WTF???
 		return nil, fmt.Errorf("`fingerprint` is used for TLS certificate pinning. If you need to specify the browser fingerprint, use `client-fingerprint`")
@@ -25,11 +26,29 @@ func NewFingerprintVerifier(fingerprint string) (func(rawCerts [][]byte, verifie
 		return nil, fmt.Errorf("fingerprint string length error,need sha256 fingerprint")
 	}
 
-	return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	return func(certs []*x509.Certificate, serverName string) error {
 		// ssl pining
-		for _, rawCert := range rawCerts {
-			hash := sha256.Sum256(rawCert)
+		for i, cert := range certs {
+			hash := sha256.Sum256(cert.Raw)
 			if bytes.Equal(fpByte, hash[:]) {
+				if i > 0 {
+					// When the fingerprint matches a non-leaf certificate,
+					// the certificate chain validity is verified using the certificate as the trusted root certificate.
+					opts := x509.VerifyOptions{
+						Roots:         x509.NewCertPool(),
+						Intermediates: x509.NewCertPool(),
+						DNSName:       serverName,
+					}
+					if time != nil {
+						opts.CurrentTime = time()
+					}
+					opts.Roots.AddCert(certs[i])
+					for _, cert := range certs[1 : i+1] { // stop at i
+						opts.Intermediates.AddCert(cert)
+					}
+					_, err := certs[0].Verify(opts)
+					return err
+				}
 				return nil
 			}
 		}

component/ca/fingerprint_test.go

@@ -0,0 +1,465 @@
+package ca
+
+import (
+	"crypto/x509"
+	"encoding/pem"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFingerprintVerifierLeaf(t *testing.T) {
+	leafFingerprint := CalculateFingerprint(leafCert.Raw)
+	verifier, err := NewFingerprintVerifier(leafFingerprint, certTime)
+	require.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+}
+
+func TestFingerprintVerifierIntermediate(t *testing.T) {
+	intermediateFingerprint := CalculateFingerprint(intermediateCert.Raw)
+	verifier, err := NewFingerprintVerifier(intermediateFingerprint, certTime)
+	require.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+}
+
+func TestFingerprintVerifierRoot(t *testing.T) {
+	rootFingerprint := CalculateFingerprint(rootCert.Raw)
+	verifier, err := NewFingerprintVerifier(rootFingerprint, certTime)
+	require.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+}
+
+var rootPEM, _ = pem.Decode([]byte(gtsRoot))
+var rootCert, _ = x509.ParseCertificate(rootPEM.Bytes)
+var intermediatePEM, _ = pem.Decode([]byte(gtsIntermediate))
+var intermediateCert, _ = x509.ParseCertificate(intermediatePEM.Bytes)
+var leafPEM, _ = pem.Decode([]byte(googleLeaf))
+var leafCert, _ = x509.ParseCertificate(leafPEM.Bytes)
+var leafWithInvalidHashPEM, _ = pem.Decode([]byte(googleLeafWithInvalidHash))
+var leafWithInvalidHashCert, _ = x509.ParseCertificate(leafWithInvalidHashPEM.Bytes)
+var smimeRootPEM, _ = pem.Decode([]byte(smimeRoot))
+var smimeRootCert, _ = x509.ParseCertificate(smimeRootPEM.Bytes)
+var smimeIntermediatePEM, _ = pem.Decode([]byte(smimeIntermediate))
+var smimeIntermediateCert, _ = x509.ParseCertificate(smimeIntermediatePEM.Bytes)
+var smimeLeafPEM, _ = pem.Decode([]byte(smimeLeaf))
+var smimeLeafCert, _ = x509.ParseCertificate(smimeLeafPEM.Bytes)
+var certTime = func() time.Time { return time.Unix(1677615892, 0) }
+
+const leafServerName = "www.google.com"
+const wrongLeafServerName = "www.google.com.cn"
+
+const gtsIntermediate = `-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`
+
+const gtsRoot = `-----BEGIN CERTIFICATE-----
+MIIFVzCCAz+gAwIBAgINAgPlk28xsBNJiGuiFzANBgkqhkiG9w0BAQwFADBHMQsw
+CQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExMQzEU
+MBIGA1UEAxMLR1RTIFJvb3QgUjEwHhcNMTYwNjIyMDAwMDAwWhcNMzYwNjIyMDAw
+MDAwWjBHMQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZp
+Y2VzIExMQzEUMBIGA1UEAxMLR1RTIFJvb3QgUjEwggIiMA0GCSqGSIb3DQEBAQUA
+A4ICDwAwggIKAoICAQC2EQKLHuOhd5s73L+UPreVp0A8of2C+X0yBoJx9vaMf/vo
+27xqLpeXo4xL+Sv2sfnOhB2x+cWX3u+58qPpvBKJXqeqUqv4IyfLpLGcY9vXmX7w
+Cl7raKb0xlpHDU0QM+NOsROjyBhsS+z8CZDfnWQpJSMHobTSPS5g4M/SCYe7zUjw
+TcLCeoiKu7rPWRnWr4+wB7CeMfGCwcDfLqZtbBkOtdh+JhpFAz2weaSUKK0Pfybl
+qAj+lug8aJRT7oM6iCsVlgmy4HqMLnXWnOunVmSPlk9orj2XwoSPwLxAwAtcvfaH
+szVsrBhQf4TgTM2S0yDpM7xSma8ytSmzJSq0SPly4cpk9+aCEI3oncKKiPo4Zor8
+Y/kB+Xj9e1x3+naH+uzfsQ55lVe0vSbv1gHR6xYKu44LtcXFilWr06zqkUspzBmk
+MiVOKvFlRNACzqrOSbTqn3yDsEB750Orp2yjj32JgfpMpf/VjsPOS+C12LOORc92
+wO1AK/1TD7Cn1TsNsYqiA94xrcx36m97PtbfkSIS5r762DL8EGMUUXLeXdYWk70p
+aDPvOmbsB4om3xPXV2V4J95eSRQAogB/mqghtqmxlbCluQ0WEdrHbEg8QOB+DVrN
+VjzRlwW5y0vtOUucxD/SVRNuJLDWcfr0wbrM7Rv1/oFB2ACYPTrIrnqYNxgFlQID
+AQABo0IwQDAOBgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4E
+FgQU5K8rJnEaK0gnhS9SZizv8IkTcT4wDQYJKoZIhvcNAQEMBQADggIBAJ+qQibb
+C5u+/x6Wki4+omVKapi6Ist9wTrYggoGxval3sBOh2Z5ofmmWJyq+bXmYOfg6LEe
+QkEzCzc9zolwFcq1JKjPa7XSQCGYzyI0zzvFIoTgxQ6KfF2I5DUkzps+GlQebtuy
+h6f88/qBVRRiClmpIgUxPoLW7ttXNLwzldMXG+gnoot7TiYaelpkttGsN/H9oPM4
+7HLwEXWdyzRSjeZ2axfG34arJ45JK3VmgRAhpuo+9K4l/3wV3s6MJT/KYnAK9y8J
+ZgfIPxz88NtFMN9iiMG1D53Dn0reWVlHxYciNuaCp+0KueIHoI17eko8cdLiA6Ef
+MgfdG+RCzgwARWGAtQsgWSl4vflVy2PFPEz0tv/bal8xa5meLMFrUKTX5hgUvYU/
+Z6tGn6D/Qqc6f1zLXbBwHSs09dR2CQzreExZBfMzQsNhFRAbd03OIozUhfJFfbdT
+6u9AWpQKXCBfTkBdYiJ23//OYb2MI3jSNwLgjt7RETeJ9r/tSQdirpLsQBqvFAnZ
+0E6yove+7u7Y/9waLd64NnHi/Hm3lCXRSHNboTXns5lndcEZOitHTtNCjv0xyBZm
+2tIMPNuzjsmhDYAPexZ3FL//2wmUspO8IFgV6dtxQ/PeEMMA3KgqlbbC1j+Qa3bb
+bP6MvPJwNQzcmRk13NfIRmPVNnGuV/u3gm3c
+-----END CERTIFICATE-----`
+
+const googleLeaf = `-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----`
+
+// googleLeafWithInvalidHash is the same as googleLeaf, but the signature
+// algorithm in the certificate contains a nonsense OID.
+const googleLeafWithInvalidHash = `-----BEGIN CERTIFICATE-----
+MIIFUjCCBDqgAwIBAgIQERmRWTzVoz0SMeozw2RM3DANBgkqhkiG9w0BAQ4FADBG
+MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
+QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMzAxMDIwODE5MTlaFw0yMzAzMjcw
+ODE5MThaMBkxFzAVBgNVBAMTDnd3dy5nb29nbGUuY29tMIIBIjANBgkqhkiG9w0B
+AQEFAAOCAQ8AMIIBCgKCAQEAq30odrKMT54TJikMKL8S+lwoCMT5geP0u9pWjk6a
+wdB6i3kO+UE4ijCAmhbcZKeKaLnGJ38weZNwB1ayabCYyX7hDiC/nRcZU49LX5+o
+55kDVaNn14YKkg2kCeX25HDxSwaOsNAIXKPTqiQL5LPvc4Twhl8HY51hhNWQrTEr
+N775eYbixEULvyVLq5BLbCOpPo8n0/MTjQ32ku1jQq3GIYMJC/Rf2VW5doF6t9zs
+KleflAN8OdKp0ME9OHg0T1P3yyb67T7n0SpisHbeG06AmQcKJF9g/9VPJtRf4l1Q
+WRPDC+6JUqzXCxAGmIRGZ7TNMxPMBW/7DRX6w8oLKVNb0wIDAQABo4ICZzCCAmMw
+DgYDVR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQC
+MAAwHQYDVR0OBBYEFBnboj3lf9+Xat4oEgo6ZtIMr8ZuMB8GA1UdIwQYMBaAFIp0
+f6+Fze6VzT2c0OJGFPNxNR0nMGoGCCsGAQUFBwEBBF4wXDAnBggrBgEFBQcwAYYb
+aHR0cDovL29jc3AucGtpLmdvb2cvZ3RzMWMzMDEGCCsGAQUFBzAChiVodHRwOi8v
+cGtpLmdvb2cvcmVwby9jZXJ0cy9ndHMxYzMuZGVyMBkGA1UdEQQSMBCCDnd3dy5n
+b29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwPAYD
+VR0fBDUwMzAxoC+gLYYraHR0cDovL2NybHMucGtpLmdvb2cvZ3RzMWMzL1FPdkow
+TjFzVDJBLmNybDCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AHoyjFTYty22IOo4
+4FIe6YQWcDIThU070ivBOlejUutSAAABhXHHOiUAAAQDAEcwRQIgBUkikUIXdo+S
+3T8PP0/cvokhUlumRE3GRWGL4WRMLpcCIQDY+bwK384mZxyXGZ5lwNRTAPNzT8Fx
+1+//nbaGK3BQMAB2AOg+0No+9QY1MudXKLyJa8kD08vREWvs62nhd31tBr1uAAAB
+hXHHOfQAAAQDAEcwRQIgLoVydNfMFKV9IoZR+M0UuJ2zOqbxIRum7Sn9RMPOBGMC
+IQD1/BgzCSDTvYvco6kpB6ifKSbg5gcb5KTnYxQYwRW14TANBgkqhkiG9w0BAQ4F
+AAOCAQEA2bQQu30e3OFu0bmvQHmcqYvXBu6tF6e5b5b+hj4O+Rn7BXTTmaYX3M6p
+MsfRH4YVJJMB/dc3PROR2VtnKFC6gAZX+RKM6nXnZhIlOdmQnonS1ecOL19PliUd
+VXbwKjXqAO0Ljd9y9oXaXnyPyHmUJNI5YXAcxE+XXiOZhcZuMYyWmoEKJQ/XlSga
+zWfTn1IcKhA3IC7A1n/5bkkWD1Xi1mdWFQ6DQDMp//667zz7pKOgFMlB93aPDjvI
+c78zEqNswn6xGKXpWF5xVwdFcsx9HKhJ6UAi2bQ/KQ1yb7LPUOR6wXXWrG1cLnNP
+i8eNLnKL9PXQ+5SwJFCzfEhcIZuhzg==
+-----END CERTIFICATE-----`
+
+const smimeLeaf = `-----BEGIN CERTIFICATE-----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+/H5edeNd+n6Z48LO+JHRxQufbC4mVNxVLMIP9EkGUejlq4E4w6zb5NwCQczJbSWL
+i31rk2orsNsDlyaLGsWZp3JSNX6RmodU4KAUPor4jUJuUhrrm3Spb73gKlV/gcIw
+bCE7mML1Kss3x1ySaXsis6SZtLpGWKkW2iguPWPs0ydV6RPhmsCxieMwPPIJ87vS
+5IejfgyBae7RSuAIHyNFy4uI5xwvwUFf6OZ7az8qtW7ImFOgng3Ds+W9k1S2CNTx
+d0cnKTfA6IpjGo8EeHcxnIXT8NPImWaRj0qqonvYady7ci6U4m3lkNSdXNn1afgw
+mYust+gxVtOZs1gk2MUCgJ1V1X+g7r/Cg7viIn6TLkLrpS1kS1hvMqkl9M+7XqPo
+Qd95nJKOkusQpy99X4dF/lfbYAQnnjnqh3DLD2gvYObXFaAYFaiBKTiMTV2X72F+
+-----END CERTIFICATE-----`
+
+const smimeIntermediate = `-----BEGIN CERTIFICATE-----
+MIIHNzCCBSGgAwIBAgIQJMXIqlZvjuhMvqcFXOFkpDALBgkqhkiG9w0BAQswODEL
+MAkGA1UEBhMCRVMxFDASBgNVBAoMC0laRU5QRSBTLkEuMRMwEQYDVQQDDApJemVu
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+gbyGFWh0dHA6Ly93d3cuaXplbnBlLmNvbYEPaW5mb0BpemVucGUuY29tpIGRMIGO
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+5tikXUskeckt8LUK96EH0QyssavAMECUEb/xrupyRdYWwjQGvNLq6T5+fViDGyOw
+k+lzD44wofy8paAy9uC9Owae0zMEzhcsyRm7
+-----END CERTIFICATE-----`
+
+const smimeRoot = `-----BEGIN CERTIFICATE-----
+MIIF8TCCA9mgAwIBAgIQALC3WhZIX7/hy/WL1xnmfTANBgkqhkiG9w0BAQsFADA4
+MQswCQYDVQQGEwJFUzEUMBIGA1UECgwLSVpFTlBFIFMuQS4xEzARBgNVBAMMCkl6
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+b20wggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDJ03rKDx6sp4boFmVq
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+JrUV86f8hBnp7KGItERphIPzidF0BqnMC9bC3ieFUCbKF7jJeodWLBoBHmy+E60Q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+laQnIUdCSnxIOvVFfLMMjlF4rJUT3sb9fbgakEyrkgPH7UIBzg/YsfqikuFgba56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+-----END CERTIFICATE-----`

component/ca/keypair.go

@@ -7,53 +7,99 @@ import (
 	"crypto/elliptic"
 	"crypto/rand"
 	"crypto/rsa"
-	"crypto/tls"
 	"crypto/x509"
 	"encoding/pem"
 	"fmt"
 	"math/big"
+	"os"
+	"runtime"
+	"sync"
+	"time"
+
+	C "github.com/metacubex/mihomo/constant"
+
+	"github.com/metacubex/fswatch"
+	"github.com/metacubex/tls"
 )
 
-type Path interface {
-	Resolve(path string) string
-	IsSafePath(path string) bool
-	ErrNotSafePath(path string) error
-}
-
-// LoadTLSKeyPair loads a TLS key pair from the provided certificate and private key data or file paths, supporting fallback resolution.
-// Returns a tls.Certificate and an error, where the error indicates issues during parsing or file loading.
+// NewTLSKeyPairLoader creates a loader function for TLS key pairs from the provided certificate and private key data or file paths.
 // If both certificate and privateKey are empty, generates a random TLS RSA key pair.
-// Accepts a Path interface for resolving file paths when necessary.
-func LoadTLSKeyPair(certificate, privateKey string, path Path) (tls.Certificate, error) {
+func NewTLSKeyPairLoader(certificate, privateKey string) (func() (*tls.Certificate, error), error) {
 	if certificate == "" && privateKey == "" {
 		var err error
 		certificate, privateKey, _, err = NewRandomTLSKeyPair(KeyPairTypeRSA)
 		if err != nil {
-			return tls.Certificate{}, err
+			return nil, err
 		}
 	}
 	cert, painTextErr := tls.X509KeyPair([]byte(certificate), []byte(privateKey))
 	if painTextErr == nil {
-		return cert, nil
-	}
-	if path == nil {
-		return tls.Certificate{}, painTextErr
+		return func() (*tls.Certificate, error) {
+			return &cert, nil
+		}, nil
 	}
 
-	certificate = path.Resolve(certificate)
-	privateKey = path.Resolve(privateKey)
+	certificate = C.Path.Resolve(certificate)
+	privateKey = C.Path.Resolve(privateKey)
 	var loadErr error
-	if !path.IsSafePath(certificate) {
-		loadErr = path.ErrNotSafePath(certificate)
-	} else if !path.IsSafePath(privateKey) {
-		loadErr = path.ErrNotSafePath(privateKey)
+	if !C.Path.IsSafePath(certificate) {
+		loadErr = C.Path.ErrNotSafePath(certificate)
+	} else if !C.Path.IsSafePath(privateKey) {
+		loadErr = C.Path.ErrNotSafePath(privateKey)
 	} else {
 		cert, loadErr = tls.LoadX509KeyPair(certificate, privateKey)
 	}
 	if loadErr != nil {
-		return tls.Certificate{}, fmt.Errorf("parse certificate failed, maybe format error:%s, or path error: %s", painTextErr.Error(), loadErr.Error())
+		return nil, fmt.Errorf("parse certificate failed, maybe format error:%s, or path error: %s", painTextErr.Error(), loadErr.Error())
 	}
-	return cert, nil
+	gcFlag := new(os.File) // tiny (on the order of 16 bytes or less) and pointer-free objects may never run the finalizer, so we choose new an os.File
+	updateMutex := sync.RWMutex{}
+	if watcher, err := fswatch.NewWatcher(fswatch.Options{Path: []string{certificate, privateKey}, Callback: func(path string) {
+		updateMutex.Lock()
+		defer updateMutex.Unlock()
+		if newCert, err := tls.LoadX509KeyPair(certificate, privateKey); err == nil {
+			cert = newCert
+		}
+	}}); err == nil {
+		if err = watcher.Start(); err == nil {
+			runtime.SetFinalizer(gcFlag, func(f *os.File) {
+				_ = watcher.Close()
+			})
+		}
+	}
+	return func() (*tls.Certificate, error) {
+		defer runtime.KeepAlive(gcFlag)
+		updateMutex.RLock()
+		defer updateMutex.RUnlock()
+		return &cert, nil
+	}, nil
+}
+
+func LoadCertificates(certificate string) (*x509.CertPool, error) {
+	pool := x509.NewCertPool()
+	if pool.AppendCertsFromPEM([]byte(certificate)) {
+		return pool, nil
+	}
+	painTextErr := fmt.Errorf("invalid certificate: %s", certificate)
+
+	certificate = C.Path.Resolve(certificate)
+	var loadErr error
+	if !C.Path.IsSafePath(certificate) {
+		loadErr = C.Path.ErrNotSafePath(certificate)
+	} else {
+		certPEMBlock, err := os.ReadFile(certificate)
+		if pool.AppendCertsFromPEM(certPEMBlock) {
+			return pool, nil
+		}
+		loadErr = err
+	}
+	if loadErr != nil {
+		return nil, fmt.Errorf("parse certificate failed, maybe format error:%s, or path error: %s", painTextErr.Error(), loadErr.Error())
+	}
+	//TODO: support dynamic update pool too
+	//      blocked by: https://github.com/golang/go/issues/64796
+	//      maybe we can direct add `GetRootCAs` and `GetClientCAs` to ourselves tls fork
+	return pool, nil
 }
 
 type KeyPairType string
@@ -85,7 +131,11 @@ func NewRandomTLSKeyPair(keyPairType KeyPairType) (certificate string, privateKe
 		return
 	}
 
-	template := x509.Certificate{SerialNumber: big.NewInt(1)}
+	template := x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		NotBefore:    time.Now().Add(-time.Hour * 24 * 365),
+		NotAfter:     time.Now().Add(time.Hour * 24 * 365),
+	}
 	certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, key.Public(), key)
 	if err != nil {
 		return

component/dialer/bind_darwin.go

@@ -21,10 +21,10 @@ func bindControl(ifaceIdx int) controlFn {
 		var innerErr error
 		err = c.Control(func(fd uintptr) {
 			switch network {
-			case "tcp4", "udp4":
-				innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
-			case "tcp6", "udp6":
+			case "tcp6", "udp6", "ip6":
 				innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, ifaceIdx)
+			default:
+				innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
 			}
 		})
 

component/dialer/dialer.go

@@ -9,27 +9,34 @@ import (
 	"os"
 	"strings"
 	"sync"
+	"syscall"
 	"time"
 
+	"github.com/metacubex/mihomo/common/atomic"
 	"github.com/metacubex/mihomo/component/keepalive"
+	"github.com/metacubex/mihomo/component/mptcp"
 	"github.com/metacubex/mihomo/component/resolver"
 )
 
 const (
 	DefaultTCPTimeout = 5 * time.Second
 	DefaultUDPTimeout = DefaultTCPTimeout
-)
 
-type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error)
+	dualStackFallbackTimeout = 300 * time.Millisecond
+)
 
 var (
-	dialMux                      sync.Mutex
-	actualSingleStackDialContext = serialSingleStackDialContext
-	actualDualStackDialContext   = serialDualStackDialContext
-	tcpConcurrent                = false
-	fallbackTimeout              = 300 * time.Millisecond
+	tcpConcurrent = atomic.NewBool(false)
 )
 
+func SetTcpConcurrent(concurrent bool) {
+	tcpConcurrent.Store(concurrent)
+}
+
+func GetTcpConcurrent() bool {
+	return tcpConcurrent.Load()
+}
+
 func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
 	opt := applyOptions(options...)
 
@@ -48,11 +55,22 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 		return nil, err
 	}
 
+	tcpConcurrent := GetTcpConcurrent()
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
-		return actualSingleStackDialContext(ctx, network, ips, port, opt)
+		if tcpConcurrent {
+			return parallelDialContext(ctx, network, ips, port, opt)
+		}
+		return serialDialContext(ctx, network, ips, port, opt)
 	case "tcp", "udp":
-		return actualDualStackDialContext(ctx, network, ips, port, opt)
+		if tcpConcurrent {
+			if opt.prefer != 4 && opt.prefer != 6 {
+				return parallelDialContext(ctx, network, ips, port, opt)
+			}
+			return dualStackDialContext(ctx, parallelDialContext, network, ips, port, opt)
+		}
+		return dualStackDialContext(ctx, serialDialContext, network, ips, port, opt)
 	default:
 		return nil, ErrorInvalidedNetworkStack
 	}
@@ -102,25 +120,6 @@ func ListenPacket(ctx context.Context, network, address string, rAddrPort netip.
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func SetTcpConcurrent(concurrent bool) {
-	dialMux.Lock()
-	defer dialMux.Unlock()
-	tcpConcurrent = concurrent
-	if concurrent {
-		actualSingleStackDialContext = concurrentSingleStackDialContext
-		actualDualStackDialContext = concurrentDualStackDialContext
-	} else {
-		actualSingleStackDialContext = serialSingleStackDialContext
-		actualDualStackDialContext = serialDualStackDialContext
-	}
-}
-
-func GetTcpConcurrent() bool {
-	dialMux.Lock()
-	defer dialMux.Unlock()
-	return tcpConcurrent
-}
-
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt option) (net.Conn, error) {
 	var address string
 	destination, port = resolver.LookupIP4P(destination, port)
@@ -139,9 +138,7 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 
 	dialer := netDialer.(*net.Dialer)
 	keepalive.SetNetDialer(dialer)
-	if opt.mpTcp {
-		setMultiPathTCP(dialer)
-	}
+	mptcp.SetNetDialer(dialer, opt.mpTcp)
 
 	if DefaultSocketHook != nil { // ignore interfaceName, routingMark and tfo when DefaultSocketHook not null (in CMFA)
 		socketHookToToDialer(dialer)
@@ -177,25 +174,36 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	return dialer.DialContext(ctx, network, address)
 }
 
-func serialSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	return serialDialContext(ctx, network, ips, port, opt)
-}
-
-func serialDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	return dualStackDialContext(ctx, serialDialContext, network, ips, port, opt)
-}
-
-func concurrentSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	return parallelDialContext(ctx, network, ips, port, opt)
-}
-
-func concurrentDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	if opt.prefer != 4 && opt.prefer != 6 {
-		return parallelDialContext(ctx, network, ips, port, opt)
+func ICMPControl(destination netip.Addr) func(network, address string, conn syscall.RawConn) error {
+	return func(network, address string, conn syscall.RawConn) error {
+		if DefaultSocketHook != nil {
+			return DefaultSocketHook(network, address, conn)
+		}
+		dialer := &net.Dialer{}
+		interfaceName := DefaultInterface.Load()
+		if interfaceName == "" {
+			if finder := DefaultInterfaceFinder.Load(); finder != nil {
+				interfaceName = finder.FindInterfaceName(destination)
+			}
+		}
+		if interfaceName != "" {
+			if err := bindIfaceToDialer(interfaceName, dialer, network, destination); err != nil {
+				return err
+			}
+		}
+		routingMark := int(DefaultRoutingMark.Load())
+		if routingMark != 0 {
+			bindMarkToDialer(routingMark, dialer, network, destination)
+		}
+		if dialer.ControlContext != nil {
+			return dialer.ControlContext(context.TODO(), network, address, conn)
+		}
+		return nil
 	}
-	return dualStackDialContext(ctx, parallelDialContext, network, ips, port, opt)
 }
 
+type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error)
+
 func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
 	ipv4s, ipv6s := resolver.SortationAddr(ips)
 	if len(ipv4s) == 0 && len(ipv6s) == 0 {
@@ -203,7 +211,7 @@ func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string,
 	}
 
 	preferIPVersion := opt.prefer
-	fallbackTicker := time.NewTicker(fallbackTimeout)
+	fallbackTicker := time.NewTicker(dualStackFallbackTimeout)
 	defer fallbackTicker.Stop()
 
 	results := make(chan dialResult)

component/dialer/mptcp_go120.go

@@ -1,12 +0,0 @@
-//go:build !go1.21
-
-package dialer
-
-import (
-	"net"
-)
-
-const multipathTCPAvailable = false
-
-func setMultiPathTCP(dialer *net.Dialer) {
-}

component/dialer/mptcp_go121.go

@@ -1,11 +0,0 @@
-//go:build go1.21
-
-package dialer
-
-import "net"
-
-const multipathTCPAvailable = true
-
-func setMultiPathTCP(dialer *net.Dialer) {
-	dialer.SetMultipathTCP(true)
-}

component/ech/ech.go

@@ -5,13 +5,33 @@ import (
 	"fmt"
 
 	tlsC "github.com/metacubex/mihomo/component/tls"
+	"github.com/metacubex/tls"
 )
 
 type Config struct {
 	GetEncryptedClientHelloConfigList func(ctx context.Context, serverName string) ([]byte, error)
 }
 
-func (cfg *Config) ClientHandle(ctx context.Context, tlsConfig *tlsC.Config) (err error) {
+func (cfg *Config) ClientHandle(ctx context.Context, tlsConfig *tls.Config) (err error) {
+	if cfg == nil {
+		return nil
+	}
+	echConfigList, err := cfg.GetEncryptedClientHelloConfigList(ctx, tlsConfig.ServerName)
+	if err != nil {
+		return fmt.Errorf("resolve ECH config error: %w", err)
+	}
+
+	tlsConfig.EncryptedClientHelloConfigList = echConfigList
+	if tlsConfig.MinVersion != 0 && tlsConfig.MinVersion < tls.VersionTLS13 {
+		tlsConfig.MinVersion = tls.VersionTLS13
+	}
+	if tlsConfig.MaxVersion != 0 && tlsConfig.MaxVersion < tls.VersionTLS13 {
+		tlsConfig.MaxVersion = tls.VersionTLS13
+	}
+	return nil
+}
+
+func (cfg *Config) ClientHandleUTLS(ctx context.Context, tlsConfig *tlsC.Config) (err error) {
 	if cfg == nil {
 		return nil
 	}

component/ech/echparser/echparser.go

@@ -0,0 +1,147 @@
+package echparser
+
+import (
+	"errors"
+	"fmt"
+
+	"golang.org/x/crypto/cryptobyte"
+)
+
+// export from std's crypto/tls/ech.go
+
+const extensionEncryptedClientHello = 0xfe0d
+
+type ECHCipher struct {
+	KDFID  uint16
+	AEADID uint16
+}
+
+type ECHExtension struct {
+	Type uint16
+	Data []byte
+}
+
+type ECHConfig struct {
+	raw []byte
+
+	Version uint16
+	Length  uint16
+
+	ConfigID             uint8
+	KemID                uint16
+	PublicKey            []byte
+	SymmetricCipherSuite []ECHCipher
+
+	MaxNameLength uint8
+	PublicName    []byte
+	Extensions    []ECHExtension
+}
+
+var ErrMalformedECHConfigList = errors.New("tls: malformed ECHConfigList")
+
+type EchConfigErr struct {
+	field string
+}
+
+func (e *EchConfigErr) Error() string {
+	if e.field == "" {
+		return "tls: malformed ECHConfig"
+	}
+	return fmt.Sprintf("tls: malformed ECHConfig, invalid %s field", e.field)
+}
+
+func ParseECHConfig(enc []byte) (skip bool, ec ECHConfig, err error) {
+	s := cryptobyte.String(enc)
+	ec.raw = []byte(enc)
+	if !s.ReadUint16(&ec.Version) {
+		return false, ECHConfig{}, &EchConfigErr{"version"}
+	}
+	if !s.ReadUint16(&ec.Length) {
+		return false, ECHConfig{}, &EchConfigErr{"length"}
+	}
+	if len(ec.raw) < int(ec.Length)+4 {
+		return false, ECHConfig{}, &EchConfigErr{"length"}
+	}
+	ec.raw = ec.raw[:ec.Length+4]
+	if ec.Version != extensionEncryptedClientHello {
+		s.Skip(int(ec.Length))
+		return true, ECHConfig{}, nil
+	}
+	if !s.ReadUint8(&ec.ConfigID) {
+		return false, ECHConfig{}, &EchConfigErr{"config_id"}
+	}
+	if !s.ReadUint16(&ec.KemID) {
+		return false, ECHConfig{}, &EchConfigErr{"kem_id"}
+	}
+	if !s.ReadUint16LengthPrefixed((*cryptobyte.String)(&ec.PublicKey)) {
+		return false, ECHConfig{}, &EchConfigErr{"public_key"}
+	}
+	var cipherSuites cryptobyte.String
+	if !s.ReadUint16LengthPrefixed(&cipherSuites) {
+		return false, ECHConfig{}, &EchConfigErr{"cipher_suites"}
+	}
+	for !cipherSuites.Empty() {
+		var c ECHCipher
+		if !cipherSuites.ReadUint16(&c.KDFID) {
+			return false, ECHConfig{}, &EchConfigErr{"cipher_suites kdf_id"}
+		}
+		if !cipherSuites.ReadUint16(&c.AEADID) {
+			return false, ECHConfig{}, &EchConfigErr{"cipher_suites aead_id"}
+		}
+		ec.SymmetricCipherSuite = append(ec.SymmetricCipherSuite, c)
+	}
+	if !s.ReadUint8(&ec.MaxNameLength) {
+		return false, ECHConfig{}, &EchConfigErr{"maximum_name_length"}
+	}
+	var publicName cryptobyte.String
+	if !s.ReadUint8LengthPrefixed(&publicName) {
+		return false, ECHConfig{}, &EchConfigErr{"public_name"}
+	}
+	ec.PublicName = publicName
+	var extensions cryptobyte.String
+	if !s.ReadUint16LengthPrefixed(&extensions) {
+		return false, ECHConfig{}, &EchConfigErr{"extensions"}
+	}
+	for !extensions.Empty() {
+		var e ECHExtension
+		if !extensions.ReadUint16(&e.Type) {
+			return false, ECHConfig{}, &EchConfigErr{"extensions type"}
+		}
+		if !extensions.ReadUint16LengthPrefixed((*cryptobyte.String)(&e.Data)) {
+			return false, ECHConfig{}, &EchConfigErr{"extensions data"}
+		}
+		ec.Extensions = append(ec.Extensions, e)
+	}
+
+	return false, ec, nil
+}
+
+// ParseECHConfigList parses a draft-ietf-tls-esni-18 ECHConfigList, returning a
+// slice of parsed ECHConfigs, in the same order they were parsed, or an error
+// if the list is malformed.
+func ParseECHConfigList(data []byte) ([]ECHConfig, error) {
+	s := cryptobyte.String(data)
+	var length uint16
+	if !s.ReadUint16(&length) {
+		return nil, ErrMalformedECHConfigList
+	}
+	if length != uint16(len(data)-2) {
+		return nil, ErrMalformedECHConfigList
+	}
+	var configs []ECHConfig
+	for len(s) > 0 {
+		if len(s) < 4 {
+			return nil, errors.New("tls: malformed ECHConfig")
+		}
+		configLen := uint16(s[2])<<8 | uint16(s[3])
+		skip, ec, err := ParseECHConfig(s)
+		if err != nil {
+			return nil, err
+		}
+		s = s[configLen+4:]
+		if !skip {
+			configs = append(configs, ec)
+		}
+	}
+	return configs, nil
+}

component/ech/key.go

@@ -8,10 +8,13 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"runtime"
+	"sync"
 
-	"github.com/metacubex/mihomo/component/ca"
-	tlsC "github.com/metacubex/mihomo/component/tls"
+	C "github.com/metacubex/mihomo/constant"
 
+	"github.com/metacubex/fswatch"
+	"github.com/metacubex/tls"
 	"golang.org/x/crypto/cryptobyte"
 )
 
@@ -85,11 +88,11 @@ func GenECHConfig(publicName string) (configBase64 string, keyPem string, err er
 	return
 }
 
-func UnmarshalECHKeys(raw []byte) ([]tlsC.EncryptedClientHelloKey, error) {
-	var keys []tlsC.EncryptedClientHelloKey
+func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {
+	var keys []tls.EncryptedClientHelloKey
 	rawString := cryptobyte.String(raw)
 	for !rawString.Empty() {
-		var key tlsC.EncryptedClientHelloKey
+		var key tls.EncryptedClientHelloKey
 		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.PrivateKey)) {
 			return nil, errors.New("error parsing private key")
 		}
@@ -104,40 +107,65 @@ func UnmarshalECHKeys(raw []byte) ([]tlsC.EncryptedClientHelloKey, error) {
 	return keys, nil
 }
 
-func LoadECHKey(key string, tlsConfig *tlsC.Config, path ca.Path) error {
+func LoadECHKey(key string, tlsConfig *tls.Config) error {
 	if key == "" {
 		return nil
 	}
-	painTextErr := loadECHKey([]byte(key), tlsConfig)
+	echKeys, painTextErr := loadECHKey([]byte(key))
 	if painTextErr == nil {
+		tlsConfig.GetEncryptedClientHelloKeys = func(info *tls.ClientHelloInfo) ([]tls.EncryptedClientHelloKey, error) {
+			return echKeys, nil
+		}
 		return nil
 	}
-	key = path.Resolve(key)
+	key = C.Path.Resolve(key)
 	var loadErr error
-	if !path.IsSafePath(key) {
-		loadErr = path.ErrNotSafePath(key)
+	if !C.Path.IsSafePath(key) {
+		loadErr = C.Path.ErrNotSafePath(key)
 	} else {
 		var echKey []byte
 		echKey, loadErr = os.ReadFile(key)
 		if loadErr == nil {
-			loadErr = loadECHKey(echKey, tlsConfig)
+			echKeys, loadErr = loadECHKey(echKey)
 		}
 	}
 	if loadErr != nil {
 		return fmt.Errorf("parse ECH keys failed, maybe format error:%s, or path error: %s", painTextErr.Error(), loadErr.Error())
 	}
+	gcFlag := new(os.File) // tiny (on the order of 16 bytes or less) and pointer-free objects may never run the finalizer, so we choose new an os.File
+	updateMutex := sync.RWMutex{}
+	if watcher, err := fswatch.NewWatcher(fswatch.Options{Path: []string{key}, Callback: func(path string) {
+		updateMutex.Lock()
+		defer updateMutex.Unlock()
+		if echKey, err := os.ReadFile(key); err == nil {
+			if newEchKeys, err := loadECHKey(echKey); err == nil {
+				echKeys = newEchKeys
+			}
+		}
+	}}); err == nil {
+		if err = watcher.Start(); err == nil {
+			runtime.SetFinalizer(gcFlag, func(f *os.File) {
+				_ = watcher.Close()
+			})
+		}
+	}
+	tlsConfig.GetEncryptedClientHelloKeys = func(info *tls.ClientHelloInfo) ([]tls.EncryptedClientHelloKey, error) {
+		defer runtime.KeepAlive(gcFlag)
+		updateMutex.RLock()
+		defer updateMutex.RUnlock()
+		return echKeys, nil
+	}
 	return nil
 }
 
-func loadECHKey(echKey []byte, tlsConfig *tlsC.Config) error {
+func loadECHKey(echKey []byte) ([]tls.EncryptedClientHelloKey, error) {
 	block, rest := pem.Decode(echKey)
 	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
-		return errors.New("invalid ECH keys pem")
+		return nil, errors.New("invalid ECH keys pem")
 	}
 	echKeys, err := UnmarshalECHKeys(block.Bytes)
 	if err != nil {
-		return fmt.Errorf("parse ECH keys: %w", err)
+		return nil, fmt.Errorf("parse ECH keys: %w", err)
 	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	return nil
+	return echKeys, err
 }