draft: Tun respond ICMP port unreachable when rejecting UDP packets

which was marked as deprecated in v1.18.6

.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 +1,843 @@
+Subject: [PATCH] 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)
++}

.github/patch/go1.26.patch

@@ -0,0 +1,842 @@
+Subject: [PATCH] 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)
++}

.github/workflows/build.yml

@@ -59,6 +59,8 @@ 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 } # old style file name will be removed in next released
           - { goos: windows, goarch: amd64, goamd64: v3, output: amd64 }
@@ -146,17 +148,17 @@ jobs:
           - { 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: '1.25'
 
     - 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 }}
 
@@ -176,15 +178,13 @@ jobs:
       # 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"
+      # 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: |
-        alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/8cb5472d94c34b88733a81091bd328e70ee565a4.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.25.patch
-        curl https://github.com/MetaCubeX/go/commit/6788c4c6f9fafb56729bad6b660f7ee2272d699f.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/a5b2168bb836ed9d6601c626f95e56c07923f906.diff | patch --verbose -p 1
-        curl https://github.com/MetaCubeX/go/commit/f56f1e23507e646c85243a71bde7b9629b2f970c.diff | patch --verbose -p 1
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.24.x
@@ -198,12 +198,8 @@ jobs:
     - name: Revert Golang1.24 commit for Windows7/8
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.24' }}
       run: |
-        alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.24.patch
-        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
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.23.x
@@ -217,12 +213,8 @@ jobs:
     - name: Revert Golang1.23 commit for Windows7/8
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.23' }}
       run: |
-        alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.23.patch
-        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
 
       # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.22.x
@@ -236,20 +228,15 @@ jobs:
     - name: Revert Golang1.22 commit for Windows7/8
       if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.22' }}
       run: |
-        alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
         cd $(go env GOROOT)
-        curl https://github.com/MetaCubeX/go/commit/9779155f18b6556a034f7bb79fb7fb2aad1e26a9.diff | patch --verbose -p 1
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.22.patch
-        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: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.21' }}
       run: |
-        alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
         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: |
@@ -438,7 +425,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: Meta
           fetch-depth: '0'
@@ -497,7 +484,7 @@ 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 +22,9 @@ 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.1'
           - '1.25'
           - '1.24'
           - '1.23'
@@ -41,96 +42,29 @@ 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 }}
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+      - name: Revert Golang commit for Windows7/8
-      # this patch file only works on golang1.25.x
+        if: ${{ runner.os == 'Windows' && matrix.go-version != '1.20' && matrix.go-version != '1.26.0-rc.1' }}
-      # 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"
-      - name: Revert Golang1.25 commit for Windows7/8
-        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.25' }}
         run: |
-          alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
           cd $(go env GOROOT)
-          curl https://github.com/MetaCubeX/go/commit/8cb5472d94c34b88733a81091bd328e70ee565a4.diff | patch --verbose -p 1
+          patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go${{matrix.go-version}}.patch
-          curl https://github.com/MetaCubeX/go/commit/6788c4c6f9fafb56729bad6b660f7ee2272d699f.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/a5b2168bb836ed9d6601c626f95e56c07923f906.diff | patch --verbose -p 1
-          curl https://github.com/MetaCubeX/go/commit/f56f1e23507e646c85243a71bde7b9629b2f970c.diff | patch --verbose -p 1
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+      - name: Revert Golang commit for Windows7/8
-      # this patch file only works on golang1.24.x
+        if: ${{ runner.os == 'Windows' && matrix.go-version == '1.26.0-rc.1' }}
-      # 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' }}
         run: |
-          alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
           cd $(go env GOROOT)
-          curl https://github.com/MetaCubeX/go/commit/2a406dc9f1ea7323d6ca9fccb2fe9ddebb6b1cc8.diff | patch --verbose -p 1
+          patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.26.patch
-          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
 
-        # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+      - name: Remove inbound test for macOS
-        # this patch file only works on golang1.23.x
+        if: ${{ runner.os == 'macOS' }}
-        # 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' }}
         run: |
-          alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
+          rm -rf listener/inbound/*_test.go
-          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
-
-        # 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' }}
-        run: |
-          alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
-          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: |
-          alias curl='curl -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"'
-          cd $(go env GOROOT)
-          curl https://github.com/golang/go/commit/9e43850a3298a9b8b1162ba0033d4c53f8637571.diff | patch --verbose -R -p 1
 
       - 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/geoip.metadb https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geoip.metadb && \
-    wget -O /mihomo-config/geosite.dat https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat && \
+    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://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.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

adapter/adapter.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net"
-	"net/http"
 	"net/url"
 	"strings"
 	"time"
@@ -17,6 +16,8 @@ import (
 	"github.com/metacubex/mihomo/component/ca"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
+
+	"github.com/metacubex/http"
 )
 
 var UnifiedDelay = atomic.NewBool(false)
@@ -51,26 +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)
@@ -167,8 +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)
 }
@@ -191,14 +179,12 @@ func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.In
 			p.history.Pop()
 		}
 
-		state, ok := p.extra.Load(url)
+		state, _ := p.extra.LoadOrStoreFn(url, func() *internalProxyState {
-		if !ok {
+			return &internalProxyState{
-			state = &internalProxyState{
 				history: queue.New[C.DelayHistory](defaultHistoriesNum),
 				alive:   atomic.NewBool(true),
 			}
-			p.extra.Store(url, state)
+		})
-		}
 
 		if !satisfied {
 			record.Delay = 0

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"
+	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/anytls"
@@ -20,7 +19,6 @@ import (
 type AnyTLS struct {
 	*Base
 	client *anytls.Client
-	dialer proxydialer.SingDialer
 	option *AnyTLSOption
 }
 
@@ -65,7 +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
@@ -92,18 +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,
 	}
-
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
-	singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer(outbound.DialOptions()...))
+	singDialer := proxydialer.NewSingDialer(outbound.dialer)
-	outbound.dialer = singDialer
 
 	tOption := anytls.ClientConfig{
 		Password:                 option.Password,

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"`
+	TFO         bool        `proxy:"tfo,omitempty"`
-	MPTCP       bool   `proxy:"mptcp,omitempty"`
+	MPTCP       bool        `proxy:"mptcp,omitempty"`
-	Interface   string `proxy:"interface-name,omitempty"`
+	Interface   string      `proxy:"interface-name,omitempty"`
-	RoutingMark int    `proxy:"routing-mark,omitempty"`
+	RoutingMark int         `proxy:"routing-mark,omitempty"`
-	IPVersion   string `proxy:"ip-version,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
+	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/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 {
@@ -61,18 +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)
+	c, err := h.dialer.DialContext(ctx, "tcp", h.addr)
-}
-
-// 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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
 	}
@@ -89,11 +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()
@@ -183,20 +166,23 @@ func NewHttp(option HttpOption) (*Http, error) {
 		}
 	}
 
-	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)
@@ -184,7 +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),
@@ -252,17 +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 {
@@ -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,
 	}
-
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
-	singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer(outbound.DialOptions()...))
+	singDialer := proxydialer.NewSingDialer(outbound.dialer)
-	outbound.dialer = singDialer
 
 	var salamanderPassword string
 	if len(option.Obfs) > 0 {
@@ -159,7 +156,7 @@ func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
 		tlsConfig.NextProtos = option.ALPN
 	}
 
-	tlsClientConfig := tlsC.UConfig(tlsConfig)
+	tlsClientConfig := tlsConfig
 	echConfig, err := option.ECHOpts.Parse()
 	if err != nil {
 		return nil, err
@@ -192,7 +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/mieru.go

@@ -4,13 +4,12 @@ import (
 	"context"
 	"fmt"
 	"net"
+	"net/netip"
 	"strconv"
-	"strings"
 	"sync"
 
-	CN "github.com/metacubex/mihomo/common/net"
+	N "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
+	"github.com/metacubex/mihomo/component/resolver"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
 
 	mieruclient "github.com/enfein/mieru/v3/apis/client"
@@ -31,8 +30,8 @@ type MieruOption struct {
 	BasicOption
 	Name          string `proxy:"name"`
 	Server        string `proxy:"server"`
-	Port          string `proxy:"port,omitempty"`
+	Port          int    `proxy:"port,omitempty"`
-	PortRange     string `proxy:"port-range,omitempty"` // deprecated
+	PortRange     string `proxy:"port-range,omitempty"`
 	Transport     string `proxy:"transport"`
 	UDP           bool   `proxy:"udp,omitempty"`
 	UserName      string `proxy:"username"`
@@ -41,6 +40,45 @@ type MieruOption struct {
 	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
 func (m *Mieru) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
 	if err := m.ensureClientIsRunning(); err != nil {
@@ -66,7 +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
@@ -90,19 +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
 	}
@@ -124,33 +156,29 @@ func NewMieru(option MieruOption) (*Mieru, error) {
 	}
 	// Client is started lazily on the first use.
 
-	// Use the first port to construct the address.
 	var addr string
-	var portStr string
+	if option.Port != 0 {
-	if option.Port != "" {
+		addr = net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-		portStr = option.Port
 	} else {
-		portStr = option.PortRange
+		beginPort, _, _ := beginAndEndPortFromPortRange(option.PortRange)
+		addr = net.JoinHostPort(option.Server, strconv.Itoa(beginPort))
 	}
-	firstPort, err := getFirstPort(portStr)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get first port from port string %q: %w", portStr, err)
-	}
-	addr = net.JoinHostPort(option.Server, strconv.Itoa(firstPort))
 	outbound := &Mieru{
 		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
 }
 
@@ -165,23 +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{
+		spec.AddrSpec = mierumodel.AddrSpec{
-			AddrSpec: mierumodel.AddrSpec{
+			FQDN: metadata.Host,
-				FQDN: metadata.Host,
+			Port: int(metadata.DstPort),
-				Port: int(metadata.DstPort),
-			},
-			Net: "tcp",
 		}
 	} else {
-		return mierumodel.NetAddrSpec{
+		spec.AddrSpec = mierumodel.AddrSpec{
-			AddrSpec: mierumodel.AddrSpec{
+			IP:   metadata.DstIP.AsSlice(),
-				IP:   metadata.DstIP.AsSlice(),
+			Port: int(metadata.DstPort),
-				Port: int(metadata.DstPort),
-			},
-			Net: "tcp",
 		}
 	}
+	return spec
 }
 
 func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, error) {
@@ -189,63 +215,61 @@ 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 {
-	portBindings := make([]*mierupb.PortBinding, 0)
+	case "TCP":
-	if option.Port != "" {
+		transportProtocol = mierupb.TransportProtocol_TCP.Enum()
-		parts := strings.Split(option.Port, ",")
+	case "UDP":
-		for _, part := range parts {
+		transportProtocol = mierupb.TransportProtocol_UDP.Enum()
-			part = strings.TrimSpace(part)
-			if strings.Contains(part, "-") {
-				_, _, err := beginAndEndPortFromPortRange(part)
-				if err == nil {
-					portBindings = append(portBindings, &mierupb.PortBinding{
-						PortRange: proto.String(part),
-						Protocol:  transportProtocol,
-					})
-				} else {
-					return nil, err
-				}
-			} else {
-				p, err := strconv.Atoi(part)
-				if err != nil {
-					return nil, fmt.Errorf("invalid port value: %s", part)
-				}
-				portBindings = append(portBindings, &mierupb.PortBinding{
-					Port:     proto.Int32(int32(p)),
-					Protocol: transportProtocol,
-				})
-			}
-		}
 	}
-	if option.PortRange != "" {
-		parts := strings.Split(option.PortRange, ",")
-		for _, part := range parts {
-			part = strings.TrimSpace(part)
-			if _, _, err := beginAndEndPortFromPortRange(part); err == nil {
-				portBindings = append(portBindings, &mierupb.PortBinding{
-					PortRange: proto.String(part),
-					Protocol:  transportProtocol,
-				})
-			}
-		}
-	}
-
 	var server *mierupb.ServerEndpoint
 	if net.ParseIP(option.Server) != nil {
 		// server is an IP address
-		server = &mierupb.ServerEndpoint{
+		if option.PortRange != "" {
-			IpAddress:    proto.String(option.Server),
+			server = &mierupb.ServerEndpoint{
-			PortBindings: portBindings,
+				IpAddress: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						PortRange: proto.String(option.PortRange),
+						Protocol:  transportProtocol,
+					},
+				},
+			}
+		} else {
+			server = &mierupb.ServerEndpoint{
+				IpAddress: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						Port:     proto.Int32(int32(option.Port)),
+						Protocol: transportProtocol,
+					},
+				},
+			}
 		}
 	} else {
 		// server is a domain name
-		server = &mierupb.ServerEndpoint{
+		if option.PortRange != "" {
-			DomainName:   proto.String(option.Server),
+			server = &mierupb.ServerEndpoint{
-			PortBindings: portBindings,
+				DomainName: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						PortRange: proto.String(option.PortRange),
+						Protocol:  transportProtocol,
+					},
+				},
+			}
+		} else {
+			server = &mierupb.ServerEndpoint{
+				DomainName: proto.String(option.Server),
+				PortBindings: []*mierupb.PortBinding{
+					{
+						Port:     proto.Int32(int32(option.Port)),
+						Protocol: transportProtocol,
+					},
+				},
+			}
 		}
 	}
-
 	config := &mieruclient.ClientConfig{
 		Profile: &mierupb.ClientProfile{
 			ProfileName: proto.String(option.Name),
@@ -255,6 +279,9 @@ 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{
@@ -274,11 +301,33 @@ func validateMieruOption(option MieruOption) error {
 	if option.Server == "" {
 		return fmt.Errorf("server is empty")
 	}
-	if option.Port == "" && option.PortRange == "" {
+	if option.Port == 0 && option.PortRange == "" {
-		return fmt.Errorf("port must be set")
+		return fmt.Errorf("either port or port-range must be set")
 	}
-	if option.Transport != "TCP" {
+	if option.Port != 0 && option.PortRange != "" {
-		return fmt.Errorf("transport must be TCP")
+		return fmt.Errorf("port and port-range cannot be set at the same time")
+	}
+	if option.Port != 0 && (option.Port < 1 || option.Port > 65535) {
+		return fmt.Errorf("port must be between 1 and 65535")
+	}
+	if option.PortRange != "" {
+		begin, end, err := beginAndEndPortFromPortRange(option.PortRange)
+		if err != nil {
+			return fmt.Errorf("invalid port-range format")
+		}
+		if begin < 1 || begin > 65535 {
+			return fmt.Errorf("begin port must be between 1 and 65535")
+		}
+		if end < 1 || end > 65535 {
+			return fmt.Errorf("end port must be between 1 and 65535")
+		}
+		if begin > end {
+			return fmt.Errorf("begin port must be less than or equal to end port")
+		}
+	}
+
+	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")
@@ -299,36 +348,8 @@ func validateMieruOption(option MieruOption) error {
 	return nil
 }
 
-func getFirstPort(portStr string) (int, error) {
-	if portStr == "" {
-		return 0, fmt.Errorf("port string is empty")
-	}
-	parts := strings.Split(portStr, ",")
-	firstPart := parts[0]
-
-	if strings.Contains(firstPart, "-") {
-		begin, _, err := beginAndEndPortFromPortRange(firstPart)
-		if err != nil {
-			return 0, err
-		}
-		return begin, nil
-	}
-
-	port, err := strconv.Atoi(firstPart)
-	if err != nil {
-		return 0, fmt.Errorf("invalid port format: %s", firstPart)
-	}
-	return port, nil
-}
-
 func beginAndEndPortFromPortRange(portRange string) (int, int, error) {
 	var begin, end int
 	_, err := fmt.Sscanf(portRange, "%d-%d", &begin, &end)
-	if err != nil {
-		return 0, 0, fmt.Errorf("invalid port range format: %w", err)
-	}
-	if begin > end {
-		return 0, 0, fmt.Errorf("begin port is greater than end port: %s", portRange)
-	}
 	return begin, end, err
 }

adapter/outbound/mieru_test.go

@@ -1,51 +1,22 @@
 package outbound
 
-import (
+import "testing"
-	"reflect"
-	"testing"
-
-	mieruclient "github.com/enfein/mieru/v3/apis/client"
-	mierupb "github.com/enfein/mieru/v3/pkg/appctl/appctlpb"
-	"google.golang.org/protobuf/proto"
-)
 
 func TestNewMieru(t *testing.T) {
-	transportProtocol := mierupb.TransportProtocol_TCP.Enum()
 	testCases := []struct {
 		option       MieruOption
 		wantBaseAddr string
-		wantConfig   *mieruclient.ClientConfig
 	}{
 		{
 			option: MieruOption{
 				Name:      "test",
 				Server:    "1.2.3.4",
-				Port:      "10000",
+				Port:      10000,
 				Transport: "TCP",
 				UserName:  "test",
 				Password:  "test",
 			},
 			wantBaseAddr: "1.2.3.4:10000",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							IpAddress: proto.String("1.2.3.4"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10000),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 		{
 			option: MieruOption{
@@ -57,212 +28,28 @@ func TestNewMieru(t *testing.T) {
 				Password:  "test",
 			},
 			wantBaseAddr: "[2001:db8::1]:10001",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							IpAddress: proto.String("2001:db8::1"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									PortRange: proto.String("10001-10002"),
-									Protocol:  transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 		{
 			option: MieruOption{
 				Name:      "test",
 				Server:    "example.com",
-				Port:      "10003",
+				Port:      10003,
-				Transport: "TCP",
+				Transport: "UDP",
 				UserName:  "test",
 				Password:  "test",
 			},
 			wantBaseAddr: "example.com:10003",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10003),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10004,10005",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10004",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10004),
-									Protocol: transportProtocol,
-								},
-								{
-									Port:     proto.Int32(10005),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10006-10007,11000",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10006",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									PortRange: proto.String("10006-10007"),
-									Protocol:  transportProtocol,
-								},
-								{
-									Port:     proto.Int32(11000),
-									Protocol: transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		{
-			option: MieruOption{
-				Name:      "test",
-				Server:    "example.com",
-				Port:      "10008",
-				PortRange: "10009-10010",
-				Transport: "TCP",
-				UserName:  "test",
-				Password:  "test",
-			},
-			wantBaseAddr: "example.com:10008",
-			wantConfig: &mieruclient.ClientConfig{
-				Profile: &mierupb.ClientProfile{
-					ProfileName: proto.String("test"),
-					User: &mierupb.User{
-						Name:     proto.String("test"),
-						Password: proto.String("test"),
-					},
-					Servers: []*mierupb.ServerEndpoint{
-						{
-							DomainName: proto.String("example.com"),
-							PortBindings: []*mierupb.PortBinding{
-								{
-									Port:     proto.Int32(10008),
-									Protocol: transportProtocol,
-								},
-								{
-									PortRange: proto.String("10009-10010"),
-									Protocol:  transportProtocol,
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 
 	for _, testCase := range testCases {
 		mieru, err := NewMieru(testCase.option)
 		if err != nil {
-			t.Fatal(err)
+			t.Error(err)
 		}
-		config, err := mieru.client.Load()
-		if err != nil {
-			t.Fatal(err)
-		}
-		config.Dialer = nil
 		if mieru.addr != testCase.wantBaseAddr {
 			t.Errorf("got addr %q, want %q", mieru.addr, testCase.wantBaseAddr)
 		}
-		if !reflect.DeepEqual(config, testCase.wantConfig) {
-			t.Errorf("got config %+v, want %+v", config, testCase.wantConfig)
-		}
-	}
-}
-
-func TestNewMieruError(t *testing.T) {
-	testCases := []MieruOption{
-		{
-			Name:      "test",
-			Server:    "example.com",
-			Port:      "invalid",
-			PortRange: "invalid",
-			Transport: "TCP",
-			UserName:  "test",
-			Password:  "test",
-		},
-		{
-			Name:      "test",
-			Server:    "example.com",
-			Port:      "",
-			PortRange: "",
-			Transport: "TCP",
-			UserName:  "test",
-			Password:  "test",
-		},
-	}
-
-	for _, option := range testCases {
-		_, err := NewMieru(option)
-		if err == nil {
-			t.Errorf("expected error for option %+v, but got nil", option)
-		}
 	}
 }
 
@@ -276,7 +63,6 @@ func TestBeginAndEndPortFromPortRange(t *testing.T) {
 		{"1-10", 1, 10, false},
 		{"1000-2000", 1000, 2000, false},
 		{"65535-65535", 65535, 65535, false},
-		{"2000-1000", 0, 0, true},
 		{"1", 0, 0, true},
 		{"1-", 0, 0, true},
 		{"-10", 0, 0, true},

adapter/outbound/reject.go

@@ -17,6 +17,7 @@ type Reject struct {
 }
 
 type RejectOption struct {
+	BasicOption
 	Name string `proxy:"name"`
 }
 
@@ -33,7 +34,10 @@ func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 	if err := r.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
-	return newPacketConn(&nopPacketConn{}, r), nil
+	if r.drop {
+		return newPacketConn(dropPacketConn{}, r), nil
+	}
+	return newPacketConn(nopPacketConn{}, r), C.ErrResetByRule
 }
 
 func (r *Reject) ResolveUDP(ctx context.Context, metadata *C.Metadata) error {
@@ -89,12 +93,10 @@ func NewPass() *Reject {
 
 type nopConn struct{}
 
-func (rw nopConn) Read(b []byte) (int, error) { return 0, io.EOF }
+func (rw nopConn) Read(b []byte) (int, error)           { return 0, C.ErrResetByRule }
-
+func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error  { return C.ErrResetByRule }
-func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error { return io.EOF }
+func (rw nopConn) Write(b []byte) (int, error)          { return 0, C.ErrResetByRule }
-
+func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error { return C.ErrResetByRule }
-func (rw nopConn) Write(b []byte) (int, error)          { return 0, io.EOF }
-func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error { return io.EOF }
 func (rw nopConn) Close() error                         { return nil }
 func (rw nopConn) LocalAddr() net.Addr                  { return nil }
 func (rw nopConn) RemoteAddr() net.Addr                 { return nil }
@@ -109,11 +111,9 @@ type nopPacketConn struct{}
 func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
 	return len(b), nil
 }
-func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
+func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error) { return 0, nil, C.ErrResetByRule }
-	return 0, nil, io.EOF
-}
 func (npc nopPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
-	return nil, nil, nil, io.EOF
+	return nil, nil, nil, C.ErrResetByRule
 }
 func (npc nopPacketConn) Close() error                     { return nil }
 func (npc nopPacketConn) LocalAddr() net.Addr              { return udpAddrIPv4Unspecified }
@@ -136,3 +136,18 @@ func (rw dropConn) RemoteAddr() net.Addr                 { return nil }
 func (rw dropConn) SetDeadline(time.Time) error          { return nil }
 func (rw dropConn) SetReadDeadline(time.Time) error      { return nil }
 func (rw dropConn) SetWriteDeadline(time.Time) error     { return nil }
+
+type dropPacketConn struct{}
+
+func (npc dropPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
+	return len(b), nil
+}
+func (npc dropPacketConn) ReadFrom(b []byte) (int, net.Addr, error) { return 0, nil, io.EOF }
+func (npc dropPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
+	return nil, nil, nil, io.EOF
+}
+func (npc dropPacketConn) Close() error                     { return nil }
+func (npc dropPacketConn) LocalAddr() net.Addr              { return udpAddrIPv4Unspecified }
+func (npc dropPacketConn) SetDeadline(time.Time) error      { return nil }
+func (npc dropPacketConn) SetReadDeadline(time.Time) error  { return nil }
+func (npc dropPacketConn) SetWriteDeadline(time.Time) error { return nil }

adapter/outbound/shadowsocks.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"
 	"github.com/metacubex/mihomo/ntp"
 	gost "github.com/metacubex/mihomo/transport/gost-plugin"
@@ -191,17 +189,6 @@ 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)
-}
-
-// 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
-		}
-	}
 	var c net.Conn
 	if ss.kcptunClient != nil {
 		c, err = ss.kcptunClient.OpenStream(ctx, func(ctx context.Context) (net.PacketConn, net.Addr, error) {
@@ -213,7 +200,7 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 				return nil, nil, err
 			}
 
-			pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
+			pc, err := ss.dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 			if err != nil {
 				return nil, nil, err
 			}
@@ -221,7 +208,7 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 			return pc, addr, nil
 		})
 	} else {
-		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)
@@ -237,25 +224,14 @@ 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 {
+	if err := ss.ResolveUDP(ctx, metadata); err != nil {
-		dialer, err = proxydialer.NewByName(ss.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	if err = ss.ResolveUDP(ctx, metadata); err != nil {
 		return nil, err
 	}
 	addr, err := resolveUDPAddr(ctx, "udp", ss.addr, ss.prefer)
@@ -263,7 +239,7 @@ 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
 	}
@@ -271,11 +247,6 @@ 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()
@@ -482,17 +453,18 @@ 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,
 
@@ -504,5 +476,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		shadowTLSOption: shadowTLSOpt,
 		restlsConfig:    restlsConfig,
 		kcptunClient:    kcptunClient,
-	}, nil
+	}
+	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)
+	c, err := ssr.dialer.DialContext(ctx, "tcp", ssr.addr)
-}
-
-// 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)
 	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)
+	if err := ssr.ResolveUDP(ctx, metadata); err != nil {
-}
-
-// 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 {
 		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()
+	udpAddr := _addr.UDPAddr()
-	if addr == nil {
+	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"
+	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/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)
+	c, err := s.dialer.DialContext(ctx, "tcp", s.addr)
-}
-
-// 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)
 	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
+			c, err := s.dialer.DialContext(ctx, "tcp", addr)
-			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)
 			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 {
@@ -69,18 +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)
+	c, err := ss.dialer.DialContext(ctx, "tcp", ss.addr)
-}
-
-// 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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
@@ -97,24 +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
@@ -161,7 +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
 	}
@@ -210,17 +186,18 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 		}
 	}
 
-	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,
@@ -228,7 +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()...)
+	client, err := s.connect(ctx, s.addr)
-	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)
 	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 +1,262 @@
+package outbound
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+
+	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
+}
+
+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)
+	HTTPMaskStrategy   string   `proxy:"http-mask-strategy,omitempty"` // "random" (default), "post", "websocket"
+	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
+	}
+
+	var c net.Conn
+	if !cfg.DisableHTTPMask {
+		switch strings.ToLower(strings.TrimSpace(cfg.HTTPMaskMode)) {
+		case "stream", "poll", "auto":
+			c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext)
+		}
+	}
+	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)
+	}
+
+	handshakeCfg := *cfg
+	if !handshakeCfg.DisableHTTPMask {
+		switch strings.ToLower(strings.TrimSpace(handshakeCfg.HTTPMaskMode)) {
+		case "stream", "poll", "auto":
+			handshakeCfg.DisableHTTPMask = true
+		}
+	}
+	c, err = sudoku.ClientHandshakeWithOptions(c, &handshakeCfg, sudoku.ClientHandshakeOptions{HTTPMaskStrategy: s.option.HTTPMaskStrategy})
+	if err != nil {
+		return nil, 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 {
+		_ = c.Close()
+		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
+	}
+
+	var c net.Conn
+	if !cfg.DisableHTTPMask {
+		switch strings.ToLower(strings.TrimSpace(cfg.HTTPMaskMode)) {
+		case "stream", "poll", "auto":
+			c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext)
+		}
+	}
+	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)
+	}
+
+	handshakeCfg := *cfg
+	if !handshakeCfg.DisableHTTPMask {
+		switch strings.ToLower(strings.TrimSpace(handshakeCfg.HTTPMaskMode)) {
+		case "stream", "poll", "auto":
+			handshakeCfg.DisableHTTPMask = true
+		}
+	}
+	c, err = sudoku.ClientHandshakeWithOptions(c, &handshakeCfg, sudoku.ClientHandshakeOptions{HTTPMaskStrategy: s.option.HTTPMaskStrategy})
+	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,
+	}
+	if option.HTTPMaskMode != "" {
+		baseConf.HTTPMaskMode = option.HTTPMaskMode
+	}
+	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
+}

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 {
@@ -196,18 +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)
+	c, err = t.dialer.DialContext(ctx, "tcp", t.addr)
-}
-
-// 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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
@@ -250,21 +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)
 	}
@@ -280,11 +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
@@ -317,16 +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()
@@ -355,15 +329,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 
 	if option.Network == "grpc" {
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
+			c, err := t.dialer.DialContext(ctx, "tcp", t.addr)
-			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)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", t.addr, err.Error())
 			}

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
 }
 
@@ -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)
+	conn, err := t.client.DialContext(ctx, 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)
 	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) dial(ctx context.Context) (transport *quic.Transport, addr net.Addr, err error) {
-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
-		}
-	}
 	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
 	}
@@ -256,7 +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
@@ -275,16 +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)
 
@@ -313,7 +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 {
@@ -332,7 +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/vless.go

@@ -2,19 +2,15 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 
 	"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"
@@ -22,9 +18,11 @@ import (
 	"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"
+	"github.com/metacubex/tls"
 )
 
 type Vless struct {
@@ -252,18 +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)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-}
-
-// 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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -301,23 +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())
 	}
@@ -333,11 +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 {
@@ -446,17 +417,19 @@ 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 {
@@ -480,15 +453,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 	case "grpc":
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
+			c, err := v.dialer.DialContext(ctx, "tcp", v.addr)
-			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)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}

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")
@@ -313,18 +311,7 @@ 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)
+	c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-}
-
-// 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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -358,23 +345,12 @@ 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())
 	}
@@ -389,11 +365,6 @@ 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()
@@ -456,17 +427,19 @@ 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 {
@@ -485,15 +458,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 	case "grpc":
 		dialFn := func(ctx context.Context, network, addr string) (net.Conn, error) {
-			var err error
+			c, err := v.dialer.DialContext(ctx, "tcp", v.addr)
-			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)
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}

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
@@ -171,14 +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 = option.NewDialer(outbound.DialOptions())
-	outbound.dialer = singDialer
+	singDialer := proxydialer.NewSlowDownSingDialer(proxydialer.NewSingDialer(outbound.dialer), slowdown.New())
 
 	var reserved [3]uint8
 	if len(option.Reserved) > 0 {
@@ -196,7 +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()
@@ -609,6 +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"
+	P "github.com/metacubex/mihomo/constant/provider"
-	types "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) {
+func getProviders(mapping map[string]P.ProxyProvider, list []string) ([]P.ProxyProvider, error) {
-	var ps []types.ProxyProvider
+	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 +8,157 @@ 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{
+		vmessOption := &outbound.VmessOption{BasicOption: basicOption}
-			HTTPOpts: outbound.HTTPOptions{
-				Method: "GET",
-				Path:   []string{"/"},
-			},
-		}
-
 		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)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}
@@ -177,3 +184,30 @@ 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/parser.go

@@ -10,7 +10,7 @@ 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"
+	P "github.com/metacubex/mihomo/constant/provider"
 
 	"github.com/dlclark/regexp2"
 )
@@ -73,7 +73,7 @@ type proxyProviderSchema struct {
 	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{
@@ -99,12 +99,12 @@ 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)

adapter/provider/provider.go

@@ -4,10 +4,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net/http"
 	"reflect"
 	"runtime"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/metacubex/mihomo/adapter"
@@ -16,10 +16,11 @@ import (
 	"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"
+	"github.com/metacubex/http"
 	"gopkg.in/yaml.v3"
 )
 
@@ -43,6 +44,7 @@ type providerForApi struct {
 }
 
 type baseProvider struct {
+	mutex       sync.RWMutex
 	name        string
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
@@ -54,6 +56,8 @@ func (bp *baseProvider) Name() string {
 }
 
 func (bp *baseProvider) Version() uint32 {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.version
 }
 
@@ -68,15 +72,19 @@ func (bp *baseProvider) HealthCheck() {
 	bp.healthCheck.check()
 }
 
-func (bp *baseProvider) Type() types.ProviderType {
+func (bp *baseProvider) Type() P.ProviderType {
-	return types.Proxy
+	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 +101,8 @@ 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 +166,7 @@ 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 +181,7 @@ 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 +248,8 @@ func (ip *inlineProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (ip *inlineProvider) VehicleType() types.VehicleType {
+func (ip *inlineProvider) VehicleType() P.VehicleType {
-	return types.Inline
+	return P.Inline
 }
 
 func (ip *inlineProvider) Update() error {
@@ -303,8 +313,8 @@ func (cp *compatibleProvider) Update() error {
 	return nil
 }
 
-func (cp *compatibleProvider) VehicleType() types.VehicleType {
+func (cp *compatibleProvider) VehicleType() P.VehicleType {
-	return types.Compatible
+	return P.Compatible
 }
 
 func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*CompatibleProvider, error) {
@@ -330,7 +340,7 @@ 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) {
+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, "|")
@@ -448,7 +458,7 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 					}
 				}
 
-				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)
 				}

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/maphash/comparable_go120.go

@@ -138,3 +138,5 @@ func escape[T any](x T) T {
 // 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

@@ -11,3 +11,5 @@ func Comparable[T comparable](seed Seed, v T) uint64 {
 func WriteComparable[T comparable](h *Hash, x T) {
 	maphash.WriteComparable(h, x)
 }
+
+const testComparableAllocations = true

common/maphash/maphash_test.go

@@ -423,7 +423,9 @@ func TestWriteComparableNoncommute(t *testing.T) {
 }
 
 func TestComparableAllocations(t *testing.T) {
-	t.Skip("test broken in old golang version")
+	if !testComparableAllocations {
+		t.Skip("test broken in old golang version")
+	}
 	seed := MakeSeed()
 	x := heapStr(t)
 	allocs := testing.AllocsPerRun(10, func() {

common/net/sing.go

@@ -24,6 +24,8 @@ 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
@@ -31,6 +33,9 @@ type WriterWithUpstream = network.WriterWithUpstream
 type WithUpstreamWriter = network.WithUpstreamWriter
 type WithUpstream = common.WithUpstream
 
+type HandshakeSuccess = network.HandshakeSuccess
+type HandshakeFailure = network.HandshakeFailure
+
 var UnwrapReader = network.UnwrapReader
 var UnwrapWriter = network.UnwrapWriter
 

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/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/utils/cast.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"fmt"
+	"net"
+)
+
+type WithUpstream interface {
+	Upstream() any
+}
+
+type stdWithUpstreamNetConn interface {
+	NetConn() net.Conn
+}
+
+func Cast[T any](obj any) (_ T, _ bool) {
+	if c, ok := obj.(T); ok {
+		fmt.Printf("Got 1: %T\n", obj) // TODO
+		return c, true
+	}
+	if u, ok := obj.(WithUpstream); ok {
+		fmt.Printf("Upstream 2: %T\n", obj) // TODO
+		return Cast[T](u.Upstream())
+	}
+	if u, ok := obj.(stdWithUpstreamNetConn); ok {
+		fmt.Printf("Std 3: %T\n", obj) // TODO
+		return Cast[T](u.NetConn())
+	}
+	fmt.Printf("Failed: %T\n", obj) // TODO
+	return
+}

common/xsync/map.go

@@ -1,16 +1,17 @@
 package xsync
 
-// copy and modified from https://github.com/puzpuzpuz/xsync/blob/v4.1.0/map.go
+// copy and modified from https://github.com/puzpuzpuz/xsync/blob/v4.2.0/map.go
 // which is licensed under Apache v2.
 //
 // mihomo modified:
-// 1. parallel Map resize has been removed to decrease the memory using.
+// 1. restore xsync/v3's LoadOrCompute api and rename to LoadOrStoreFn.
 // 2. the zero Map is ready for use.
 
 import (
 	"fmt"
 	"math"
 	"math/bits"
+	"runtime"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -41,8 +42,28 @@ const (
 	metaMask          uint64 = 0xffffffffff
 	defaultMetaMasked uint64 = defaultMeta & metaMask
 	emptyMetaSlot     uint8  = 0x80
+	// minimal number of buckets to transfer when participating in cooperative
+	// resize; should be at least defaultMinMapTableLen
+	minResizeTransferStride = 64
+	// upper limit for max number of additional goroutines that participate
+	// in cooperative resize; must be changed simultaneously with resizeCtl
+	// and the related code
+	maxResizeHelpersLimit = (1 << 5) - 1
 )
 
+// max number of additional goroutines that participate in cooperative resize;
+// "resize owner" goroutine isn't counted
+var maxResizeHelpers = func() int32 {
+	v := int32(parallelism() - 1)
+	if v < 1 {
+		v = 1
+	}
+	if v > maxResizeHelpersLimit {
+		v = maxResizeHelpersLimit
+	}
+	return v
+}()
+
 type mapResizeHint int
 
 const (
@@ -100,16 +121,25 @@ type Map[K comparable, V any] struct {
 	initOnce     sync.Once
 	totalGrowths atomic.Int64
 	totalShrinks atomic.Int64
-	resizing     atomic.Bool // resize in progress flag
-	resizeMu     sync.Mutex  // only used along with resizeCond
-	resizeCond   sync.Cond   // used to wake up resize waiters (concurrent modifications)
 	table        atomic.Pointer[mapTable[K, V]]
-	minTableLen  int
+	// table being transferred to
-	growOnly     bool
+	nextTable atomic.Pointer[mapTable[K, V]]
+	// resize control state: combines resize sequence number (upper 59 bits) and
+	// the current number of resize helpers (lower 5 bits);
+	// odd values of resize sequence mean in-progress resize
+	resizeCtl atomic.Uint64
+	// only used along with resizeCond
+	resizeMu sync.Mutex
+	// used to wake up resize waiters (concurrent writes)
+	resizeCond sync.Cond
+	// transfer progress index for resize
+	resizeIdx   atomic.Int64
+	minTableLen int
+	growOnly    bool
 }
 
 type mapTable[K comparable, V any] struct {
-	buckets []bucketPadded[K, V]
+	buckets []bucketPadded
 	// striped counter for number of table entries;
 	// used to determine if a table shrinking is needed
 	// occupies min(buckets_memory/1024, 64KB) of memory
@@ -125,16 +155,16 @@ type counterStripe struct {
 
 // bucketPadded is a CL-sized map bucket holding up to
 // entriesPerMapBucket entries.
-type bucketPadded[K comparable, V any] struct {
+type bucketPadded struct {
 	//lint:ignore U1000 ensure each bucket takes two cache lines on both 32 and 64-bit archs
-	pad [cacheLineSize - unsafe.Sizeof(bucket[K, V]{})]byte
+	pad [cacheLineSize - unsafe.Sizeof(bucket{})]byte
-	bucket[K, V]
+	bucket
 }
 
-type bucket[K comparable, V any] struct {
+type bucket struct {
-	meta    atomic.Uint64
+	meta    uint64
-	entries [entriesPerMapBucket]atomic.Pointer[entry[K, V]] // *entry
+	entries [entriesPerMapBucket]unsafe.Pointer // *entry
-	next    atomic.Pointer[bucketPadded[K, V]]               // *bucketPadded
+	next    unsafe.Pointer                      // *bucketPadded
 	mu      sync.Mutex
 }
 
@@ -194,15 +224,15 @@ func (m *Map[K, V]) init() {
 		m.minTableLen = defaultMinMapTableLen
 	}
 	m.resizeCond = *sync.NewCond(&m.resizeMu)
-	table := newMapTable[K, V](m.minTableLen)
+	table := newMapTable[K, V](m.minTableLen, maphash.MakeSeed())
 	m.minTableLen = len(table.buckets)
 	m.table.Store(table)
 }
 
-func newMapTable[K comparable, V any](minTableLen int) *mapTable[K, V] {
+func newMapTable[K comparable, V any](minTableLen int, seed maphash.Seed) *mapTable[K, V] {
-	buckets := make([]bucketPadded[K, V], minTableLen)
+	buckets := make([]bucketPadded, minTableLen)
 	for i := range buckets {
-		buckets[i].meta.Store(defaultMeta)
+		buckets[i].meta = defaultMeta
 	}
 	counterLen := minTableLen >> 10
 	if counterLen < minMapCounterLen {
@@ -214,7 +244,7 @@ func newMapTable[K comparable, V any](minTableLen int) *mapTable[K, V] {
 	t := &mapTable[K, V]{
 		buckets: buckets,
 		size:    counter,
-		seed:    maphash.MakeSeed(),
+		seed:    seed,
 	}
 	return t
 }
@@ -246,22 +276,24 @@ func (m *Map[K, V]) Load(key K) (value V, ok bool) {
 	bidx := uint64(len(table.buckets)-1) & h1
 	b := &table.buckets[bidx]
 	for {
-		metaw := b.meta.Load()
+		metaw := atomic.LoadUint64(&b.meta)
 		markedw := markZeroBytes(metaw^h2w) & metaMask
 		for markedw != 0 {
 			idx := firstMarkedByteIndex(markedw)
-			e := b.entries[idx].Load()
+			eptr := atomic.LoadPointer(&b.entries[idx])
-			if e != nil {
+			if eptr != nil {
+				e := (*entry[K, V])(eptr)
 				if e.key == key {
 					return e.value, true
 				}
 			}
 			markedw &= markedw - 1
 		}
-		b = b.next.Load()
+		bptr := atomic.LoadPointer(&b.next)
-		if b == nil {
+		if bptr == nil {
 			return
 		}
+		b = (*bucketPadded)(bptr)
 	}
 }
 
@@ -399,7 +431,7 @@ func (m *Map[K, V]) doCompute(
 	for {
 	compute_attempt:
 		var (
-			emptyb   *bucketPadded[K, V]
+			emptyb   *bucketPadded
 			emptyidx int
 		)
 		table := m.table.Load()
@@ -415,12 +447,13 @@ func (m *Map[K, V]) doCompute(
 			b := rootb
 		load:
 			for {
-				metaw := b.meta.Load()
+				metaw := atomic.LoadUint64(&b.meta)
 				markedw := markZeroBytes(metaw^h2w) & metaMask
 				for markedw != 0 {
 					idx := firstMarkedByteIndex(markedw)
-					e := b.entries[idx].Load()
+					eptr := atomic.LoadPointer(&b.entries[idx])
-					if e != nil {
+					if eptr != nil {
+						e := (*entry[K, V])(eptr)
 						if e.key == key {
 							if loadOp == loadOrComputeOp {
 								return e.value, true
@@ -430,23 +463,24 @@ func (m *Map[K, V]) doCompute(
 					}
 					markedw &= markedw - 1
 				}
-				b = b.next.Load()
+				bptr := atomic.LoadPointer(&b.next)
-				if b == nil {
+				if bptr == nil {
 					if loadOp == loadAndDeleteOp {
 						return *new(V), false
 					}
 					break load
 				}
+				b = (*bucketPadded)(bptr)
 			}
 		}
 
 		rootb.mu.Lock()
 		// The following two checks must go in reverse to what's
 		// in the resize method.
-		if m.resizeInProgress() {
+		if seq := resizeSeq(m.resizeCtl.Load()); seq&1 == 1 {
-			// Resize is in progress. Wait, then go for another attempt.
+			// Resize is in progress. Help with the transfer, then go for another attempt.
 			rootb.mu.Unlock()
-			m.waitForResize()
+			m.helpResize(seq)
 			goto compute_attempt
 		}
 		if m.newerTableExists(table) {
@@ -456,12 +490,13 @@ func (m *Map[K, V]) doCompute(
 		}
 		b := rootb
 		for {
-			metaw := b.meta.Load()
+			metaw := b.meta
 			markedw := markZeroBytes(metaw^h2w) & metaMask
 			for markedw != 0 {
 				idx := firstMarkedByteIndex(markedw)
-				e := b.entries[idx].Load()
+				eptr := b.entries[idx]
-				if e != nil {
+				if eptr != nil {
+					e := (*entry[K, V])(eptr)
 					if e.key == key {
 						// In-place update/delete.
 						// We get a copy of the value via an interface{} on each call,
@@ -475,8 +510,8 @@ func (m *Map[K, V]) doCompute(
 							// Deletion.
 							// First we update the hash, then the entry.
 							newmetaw := setByte(metaw, emptyMetaSlot, idx)
-							b.meta.Store(newmetaw)
+							atomic.StoreUint64(&b.meta, newmetaw)
-							b.entries[idx].Store(nil)
+							atomic.StorePointer(&b.entries[idx], nil)
 							rootb.mu.Unlock()
 							table.addSize(bidx, -1)
 							// Might need to shrink the table if we left bucket empty.
@@ -488,7 +523,7 @@ func (m *Map[K, V]) doCompute(
 							newe := new(entry[K, V])
 							newe.key = key
 							newe.value = newv
-							b.entries[idx].Store(newe)
+							atomic.StorePointer(&b.entries[idx], unsafe.Pointer(newe))
 						case CancelOp:
 							newv = oldv
 						}
@@ -512,7 +547,7 @@ func (m *Map[K, V]) doCompute(
 					emptyidx = idx
 				}
 			}
-			if b.next.Load() == nil {
+			if b.next == nil {
 				if emptyb != nil {
 					// Insertion into an existing bucket.
 					var zeroV V
@@ -526,8 +561,8 @@ func (m *Map[K, V]) doCompute(
 						newe.key = key
 						newe.value = newValue
 						// First we update meta, then the entry.
-						emptyb.meta.Store(setByte(emptyb.meta.Load(), h2, emptyidx))
+						atomic.StoreUint64(&emptyb.meta, setByte(emptyb.meta, h2, emptyidx))
-						emptyb.entries[emptyidx].Store(newe)
+						atomic.StorePointer(&emptyb.entries[emptyidx], unsafe.Pointer(newe))
 						rootb.mu.Unlock()
 						table.addSize(bidx, 1)
 						return newValue, computeOnly
@@ -549,19 +584,19 @@ func (m *Map[K, V]) doCompute(
 					return newValue, false
 				default:
 					// Create and append a bucket.
-					newb := new(bucketPadded[K, V])
+					newb := new(bucketPadded)
-					newb.meta.Store(setByte(defaultMeta, h2, 0))
+					newb.meta = setByte(defaultMeta, h2, 0)
 					newe := new(entry[K, V])
 					newe.key = key
 					newe.value = newValue
-					newb.entries[0].Store(newe)
+					newb.entries[0] = unsafe.Pointer(newe)
-					b.next.Store(newb)
+					atomic.StorePointer(&b.next, unsafe.Pointer(newb))
 					rootb.mu.Unlock()
 					table.addSize(bidx, 1)
 					return newValue, computeOnly
 				}
 			}
-			b = b.next.Load()
+			b = (*bucketPadded)(b.next)
 		}
 	}
 }
@@ -570,13 +605,21 @@ func (m *Map[K, V]) newerTableExists(table *mapTable[K, V]) bool {
 	return table != m.table.Load()
 }
 
-func (m *Map[K, V]) resizeInProgress() bool {
+func resizeSeq(ctl uint64) uint64 {
-	return m.resizing.Load()
+	return ctl >> 5
+}
+
+func resizeHelpers(ctl uint64) uint64 {
+	return ctl & maxResizeHelpersLimit
+}
+
+func resizeCtl(seq uint64, helpers uint64) uint64 {
+	return (seq << 5) | (helpers & maxResizeHelpersLimit)
 }
 
 func (m *Map[K, V]) waitForResize() {
 	m.resizeMu.Lock()
-	for m.resizeInProgress() {
+	for resizeSeq(m.resizeCtl.Load())&1 == 1 {
 		m.resizeCond.Wait()
 	}
 	m.resizeMu.Unlock()
@@ -593,9 +636,9 @@ func (m *Map[K, V]) resize(knownTable *mapTable[K, V], hint mapResizeHint) {
 		}
 	}
 	// Slow path.
-	if !m.resizing.CompareAndSwap(false, true) {
+	seq := resizeSeq(m.resizeCtl.Load())
-		// Someone else started resize. Wait for it to finish.
+	if seq&1 == 1 || !m.resizeCtl.CompareAndSwap(resizeCtl(seq, 0), resizeCtl(seq+1, 0)) {
-		m.waitForResize()
+		m.helpResize(seq)
 		return
 	}
 	var newTable *mapTable[K, V]
@@ -604,64 +647,189 @@ func (m *Map[K, V]) resize(knownTable *mapTable[K, V], hint mapResizeHint) {
 	switch hint {
 	case mapGrowHint:
 		// Grow the table with factor of 2.
+		// We must keep the same table seed here to keep the same hash codes
+		// allowing us to avoid locking destination buckets when resizing.
 		m.totalGrowths.Add(1)
-		newTable = newMapTable[K, V](tableLen << 1)
+		newTable = newMapTable[K, V](tableLen<<1, table.seed)
 	case mapShrinkHint:
 		shrinkThreshold := int64((tableLen * entriesPerMapBucket) / mapShrinkFraction)
 		if tableLen > m.minTableLen && table.sumSize() <= shrinkThreshold {
 			// Shrink the table with factor of 2.
+			// It's fine to generate a new seed since full locking
+			// is required anyway.
 			m.totalShrinks.Add(1)
-			newTable = newMapTable[K, V](tableLen >> 1)
+			newTable = newMapTable[K, V](tableLen>>1, maphash.MakeSeed())
 		} else {
 			// No need to shrink. Wake up all waiters and give up.
 			m.resizeMu.Lock()
-			m.resizing.Store(false)
+			m.resizeCtl.Store(resizeCtl(seq+2, 0))
 			m.resizeCond.Broadcast()
 			m.resizeMu.Unlock()
 			return
 		}
 	case mapClearHint:
-		newTable = newMapTable[K, V](m.minTableLen)
+		newTable = newMapTable[K, V](m.minTableLen, maphash.MakeSeed())
 	default:
 		panic(fmt.Sprintf("unexpected resize hint: %d", hint))
 	}
+
 	// Copy the data only if we're not clearing the map.
 	if hint != mapClearHint {
-		for i := 0; i < tableLen; i++ {
+		// Set up cooperative transfer state.
-			copied := copyBucket(&table.buckets[i], newTable)
+		// Next table must be published as the last step.
-			newTable.addSizePlain(uint64(i), copied)
+		m.resizeIdx.Store(0)
-		}
+		m.nextTable.Store(newTable)
+		// Copy the buckets.
+		m.transfer(table, newTable)
+	}
+
+	// We're about to publish the new table, but before that
+	// we must wait for all helpers to finish.
+	for resizeHelpers(m.resizeCtl.Load()) != 0 {
+		runtime.Gosched()
 	}
-	// Publish the new table and wake up all waiters.
 	m.table.Store(newTable)
+	m.nextTable.Store(nil)
+	ctl := resizeCtl(seq+1, 0)
+	newCtl := resizeCtl(seq+2, 0)
+	// Increment the sequence number and wake up all waiters.
 	m.resizeMu.Lock()
-	m.resizing.Store(false)
+	// There may be slowpoke helpers who have just incremented
+	// the helper counter. This CAS loop makes sure to wait
+	// for them to back off.
+	for !m.resizeCtl.CompareAndSwap(ctl, newCtl) {
+		runtime.Gosched()
+	}
 	m.resizeCond.Broadcast()
 	m.resizeMu.Unlock()
 }
 
-func copyBucket[K comparable, V any](
+func (m *Map[K, V]) helpResize(seq uint64) {
-	b *bucketPadded[K, V],
+	for {
+		table := m.table.Load()
+		nextTable := m.nextTable.Load()
+		if resizeSeq(m.resizeCtl.Load()) == seq {
+			if nextTable == nil || nextTable == table {
+				// Carry on until the next table is set by the main
+				// resize goroutine or until the resize finishes.
+				runtime.Gosched()
+				continue
+			}
+			// The resize is still in-progress, so let's try registering
+			// as a helper.
+			for {
+				ctl := m.resizeCtl.Load()
+				if resizeSeq(ctl) != seq || resizeHelpers(ctl) >= uint64(maxResizeHelpers) {
+					// The resize has ended or there are too many helpers.
+					break
+				}
+				if m.resizeCtl.CompareAndSwap(ctl, ctl+1) {
+					// Yay, we're a resize helper!
+					m.transfer(table, nextTable)
+					// Don't forget to unregister as a helper.
+					m.resizeCtl.Add(^uint64(0))
+					break
+				}
+			}
+			m.waitForResize()
+		}
+		break
+	}
+}
+
+func (m *Map[K, V]) transfer(table, newTable *mapTable[K, V]) {
+	tableLen := len(table.buckets)
+	newTableLen := len(newTable.buckets)
+	stride := (tableLen >> 3) / int(maxResizeHelpers)
+	if stride < minResizeTransferStride {
+		stride = minResizeTransferStride
+	}
+	for {
+		// Claim work by incrementing resizeIdx.
+		nextIdx := m.resizeIdx.Add(int64(stride))
+		start := int(nextIdx) - stride
+		if start < 0 {
+			start = 0
+		}
+		if start > tableLen {
+			break
+		}
+		end := int(nextIdx)
+		if end > tableLen {
+			end = tableLen
+		}
+		// Transfer buckets in this range.
+		total := 0
+		if newTableLen > tableLen {
+			// We're growing the table with 2x multiplier, so entries from a N bucket can
+			// only be transferred to N and 2*N buckets in the new table. Thus, destination
+			// buckets written by the resize helpers don't intersect, so we don't need to
+			// acquire locks in the destination buckets.
+			for i := start; i < end; i++ {
+				total += transferBucketUnsafe(&table.buckets[i], newTable)
+			}
+		} else {
+			// We're shrinking the table, so all locks must be acquired.
+			for i := start; i < end; i++ {
+				total += transferBucket(&table.buckets[i], newTable)
+			}
+		}
+		// The exact counter stripe doesn't matter here, so pick up the one
+		// that corresponds to the start value to avoid contention.
+		newTable.addSize(uint64(start), total)
+	}
+}
+
+// Doesn't acquire dest bucket lock.
+func transferBucketUnsafe[K comparable, V any](
+	b *bucketPadded,
 	destTable *mapTable[K, V],
 ) (copied int) {
 	rootb := b
 	rootb.mu.Lock()
 	for {
 		for i := 0; i < entriesPerMapBucket; i++ {
-			if e := b.entries[i].Load(); e != nil {
+			if eptr := b.entries[i]; eptr != nil {
+				e := (*entry[K, V])(eptr)
 				hash := maphash.Comparable(destTable.seed, e.key)
 				bidx := uint64(len(destTable.buckets)-1) & h1(hash)
 				destb := &destTable.buckets[bidx]
-				appendToBucket(h2(hash), b.entries[i].Load(), destb)
+				appendToBucket(h2(hash), e, destb)
 				copied++
 			}
 		}
-		if next := b.next.Load(); next == nil {
+		if b.next == nil {
 			rootb.mu.Unlock()
 			return
-		} else {
-			b = next
 		}
+		b = (*bucketPadded)(b.next)
+	}
+}
+
+func transferBucket[K comparable, V any](
+	b *bucketPadded,
+	destTable *mapTable[K, V],
+) (copied int) {
+	rootb := b
+	rootb.mu.Lock()
+	for {
+		for i := 0; i < entriesPerMapBucket; i++ {
+			if eptr := b.entries[i]; eptr != nil {
+				e := (*entry[K, V])(eptr)
+				hash := maphash.Comparable(destTable.seed, e.key)
+				bidx := uint64(len(destTable.buckets)-1) & h1(hash)
+				destb := &destTable.buckets[bidx]
+				destb.mu.Lock()
+				appendToBucket(h2(hash), e, destb)
+				destb.mu.Unlock()
+				copied++
+			}
+		}
+		if b.next == nil {
+			rootb.mu.Unlock()
+			return
+		}
+		b = (*bucketPadded)(b.next)
 	}
 }
 
@@ -691,16 +859,15 @@ func (m *Map[K, V]) Range(f func(key K, value V) bool) {
 		rootb.mu.Lock()
 		for {
 			for i := 0; i < entriesPerMapBucket; i++ {
-				if entry := b.entries[i].Load(); entry != nil {
+				if b.entries[i] != nil {
-					bentries = append(bentries, entry)
+					bentries = append(bentries, (*entry[K, V])(b.entries[i]))
 				}
 			}
-			if next := b.next.Load(); next == nil {
+			if b.next == nil {
 				rootb.mu.Unlock()
 				break
-			} else {
-				b = next
 			}
+			b = (*bucketPadded)(b.next)
 		}
 		// Call the function for all copied entries.
 		for j, e := range bentries {
@@ -727,24 +894,25 @@ func (m *Map[K, V]) Size() int {
 	return int(m.table.Load().sumSize())
 }
 
-func appendToBucket[K comparable, V any](h2 uint8, e *entry[K, V], b *bucketPadded[K, V]) {
+// It is safe to use plain stores here because the destination bucket must be
+// either locked or exclusively written to by the helper during resize.
+func appendToBucket[K comparable, V any](h2 uint8, e *entry[K, V], b *bucketPadded) {
 	for {
 		for i := 0; i < entriesPerMapBucket; i++ {
-			if b.entries[i].Load() == nil {
+			if b.entries[i] == nil {
-				b.meta.Store(setByte(b.meta.Load(), h2, i))
+				b.meta = setByte(b.meta, h2, i)
-				b.entries[i].Store(e)
+				b.entries[i] = unsafe.Pointer(e)
 				return
 			}
 		}
-		if next := b.next.Load(); next == nil {
+		if b.next == nil {
-			newb := new(bucketPadded[K, V])
+			newb := new(bucketPadded)
-			newb.meta.Store(setByte(defaultMeta, h2, 0))
+			newb.meta = setByte(defaultMeta, h2, 0)
-			newb.entries[0].Store(e)
+			newb.entries[0] = unsafe.Pointer(e)
-			b.next.Store(newb)
+			b.next = unsafe.Pointer(newb)
 			return
-		} else {
-			b = next
 		}
+		b = (*bucketPadded)(b.next)
 	}
 }
 
@@ -753,11 +921,6 @@ func (table *mapTable[K, V]) addSize(bucketIdx uint64, delta int) {
 	atomic.AddInt64(&table.size[cidx].c, int64(delta))
 }
 
-func (table *mapTable[K, V]) addSizePlain(bucketIdx uint64, delta int) {
-	cidx := uint64(len(table.size)-1) & bucketIdx
-	table.size[cidx].c += int64(delta)
-}
-
 func (table *mapTable[K, V]) sumSize() int64 {
 	sum := int64(0)
 	for i := range table.size {
@@ -856,7 +1019,7 @@ func (m *Map[K, V]) Stats() MapStats {
 			nentriesLocal := 0
 			stats.Capacity += entriesPerMapBucket
 			for i := 0; i < entriesPerMapBucket; i++ {
-				if b.entries[i].Load() != nil {
+				if atomic.LoadPointer(&b.entries[i]) != nil {
 					stats.Size++
 					nentriesLocal++
 				}
@@ -865,11 +1028,10 @@ func (m *Map[K, V]) Stats() MapStats {
 			if nentriesLocal == 0 {
 				stats.EmptyBuckets++
 			}
-			if next := b.next.Load(); next == nil {
+			if b.next == nil {
 				break
-			} else {
-				b = next
 			}
+			b = (*bucketPadded)(atomic.LoadPointer(&b.next))
 			stats.TotalBuckets++
 		}
 		if nentries < stats.MinEntries {
@@ -906,6 +1068,15 @@ func nextPowOf2(v uint32) uint32 {
 	return v
 }
 
+func parallelism() uint32 {
+	maxProcs := uint32(runtime.GOMAXPROCS(0))
+	numCores := uint32(runtime.NumCPU())
+	if maxProcs < numCores {
+		return maxProcs
+	}
+	return numCores
+}
+
 func broadcast(b uint8) uint64 {
 	return 0x101010101010101 * uint64(b)
 }
@@ -920,6 +1091,7 @@ func markZeroBytes(w uint64) uint64 {
 	return ((w - 0x0101010101010101) & (^w) & 0x8080808080808080)
 }
 
+// Sets byte of the input word at the specified index to the given value.
 func setByte(w uint64, b uint8, idx int) uint64 {
 	shift := idx << 3
 	return (w &^ (0xff << shift)) | (uint64(b) << shift)

common/xsync/map_test.go

@@ -3,6 +3,7 @@ package xsync
 import (
 	"math"
 	"math/rand"
+	"runtime"
 	"strconv"
 	"sync"
 	"sync/atomic"
@@ -53,11 +54,11 @@ func runParallel(b *testing.B, benchFn func(pb *testing.PB)) {
 }
 
 func TestMap_BucketStructSize(t *testing.T) {
-	size := unsafe.Sizeof(bucketPadded[string, int64]{})
+	size := unsafe.Sizeof(bucketPadded{})
 	if size != 64 {
 		t.Fatalf("size of 64B (one cache line) is expected, got: %d", size)
 	}
-	size = unsafe.Sizeof(bucketPadded[struct{}, int32]{})
+	size = unsafe.Sizeof(bucketPadded{})
 	if size != 64 {
 		t.Fatalf("size of 64B (one cache line) is expected, got: %d", size)
 	}
@@ -743,10 +744,7 @@ func TestNewMapGrowOnly_OnlyShrinksOnClear(t *testing.T) {
 }
 
 func TestMapResize(t *testing.T) {
-	testMapResize(t, NewMap[string, int]())
+	m := NewMap[string, int]()
-}
-
-func testMapResize(t *testing.T, m *Map[string, int]) {
 	const numEntries = 100_000
 
 	for i := 0; i < numEntries; i++ {
@@ -810,6 +808,147 @@ func TestMapResize_CounterLenLimit(t *testing.T) {
 	}
 }
 
+func testParallelResize(t *testing.T, numGoroutines int) {
+	m := NewMap[int, int]()
+
+	// Fill the map to trigger resizing
+	const initialEntries = 10000
+	const newEntries = 5000
+	for i := 0; i < initialEntries; i++ {
+		m.Store(i, i*2)
+	}
+
+	// Start concurrent operations that should trigger helping behavior
+	var wg sync.WaitGroup
+
+	// Launch goroutines that will encounter resize operations
+	for g := 0; g < numGoroutines; g++ {
+		wg.Add(1)
+		go func(goroutineID int) {
+			defer wg.Done()
+
+			// Perform many operations to trigger resize and helping
+			for i := 0; i < newEntries; i++ {
+				key := goroutineID*newEntries + i + initialEntries
+				m.Store(key, key*2)
+
+				// Verify the value
+				if val, ok := m.Load(key); !ok || val != key*2 {
+					t.Errorf("Failed to load key %d: got %v, %v", key, val, ok)
+					return
+				}
+			}
+		}(g)
+	}
+
+	wg.Wait()
+
+	// Verify all entries are present
+	finalSize := m.Size()
+	expectedSize := initialEntries + numGoroutines*newEntries
+	if finalSize != expectedSize {
+		t.Errorf("Expected size %d, got %d", expectedSize, finalSize)
+	}
+
+	stats := m.Stats()
+	if stats.TotalGrowths == 0 {
+		t.Error("Expected at least one table growth due to concurrent operations")
+	}
+}
+
+func TestMapParallelResize(t *testing.T) {
+	testParallelResize(t, 1)
+	testParallelResize(t, runtime.GOMAXPROCS(0))
+	testParallelResize(t, 100)
+}
+
+func testParallelResizeWithSameKeys(t *testing.T, numGoroutines int) {
+	m := NewMap[int, int]()
+
+	// Fill the map to trigger resizing
+	const entries = 1000
+	for i := 0; i < entries; i++ {
+		m.Store(2*i, 2*i)
+	}
+
+	// Start concurrent operations that should trigger helping behavior
+	var wg sync.WaitGroup
+
+	// Launch goroutines that will encounter resize operations
+	for g := 0; g < numGoroutines; g++ {
+		wg.Add(1)
+		go func(goroutineID int) {
+			defer wg.Done()
+			for i := 0; i < 10*entries; i++ {
+				m.Store(i, i)
+			}
+		}(g)
+	}
+
+	wg.Wait()
+
+	// Verify all entries are present
+	finalSize := m.Size()
+	expectedSize := 10 * entries
+	if finalSize != expectedSize {
+		t.Errorf("Expected size %d, got %d", expectedSize, finalSize)
+	}
+
+	stats := m.Stats()
+	if stats.TotalGrowths == 0 {
+		t.Error("Expected at least one table growth due to concurrent operations")
+	}
+}
+
+func TestMapParallelResize_IntersectingKeys(t *testing.T) {
+	testParallelResizeWithSameKeys(t, 1)
+	testParallelResizeWithSameKeys(t, runtime.GOMAXPROCS(0))
+	testParallelResizeWithSameKeys(t, 100)
+}
+
+func testParallelShrinking(t *testing.T, numGoroutines int) {
+	m := NewMap[int, int]()
+
+	// Fill the map to trigger resizing
+	const entries = 100000
+	for i := 0; i < entries; i++ {
+		m.Store(i, i)
+	}
+
+	// Start concurrent operations that should trigger helping behavior
+	var wg sync.WaitGroup
+
+	// Launch goroutines that will encounter resize operations
+	for g := 0; g < numGoroutines; g++ {
+		wg.Add(1)
+		go func(goroutineID int) {
+			defer wg.Done()
+			for i := 0; i < entries; i++ {
+				m.Delete(i)
+			}
+		}(g)
+	}
+
+	wg.Wait()
+
+	// Verify all entries are present
+	finalSize := m.Size()
+	if finalSize != 0 {
+		t.Errorf("Expected size 0, got %d", finalSize)
+	}
+
+	stats := m.Stats()
+	if stats.TotalShrinks == 0 {
+		t.Error("Expected at least one table shrinking due to concurrent operations")
+	}
+}
+
+func TestMapParallelShrinking(t *testing.T) {
+	testParallelShrinking(t, 1)
+	testParallelShrinking(t, runtime.GOMAXPROCS(0))
+	testParallelShrinking(t, 100)
+}
+
 func parallelSeqMapGrower(m *Map[int, int], numEntries int, positive bool, cdone chan bool) {
 	for i := 0; i < numEntries; i++ {
 		if positive {
@@ -1459,7 +1598,7 @@ func BenchmarkMapRange(b *testing.B) {
 }
 
 // Benchmarks noop performance of Compute
-func BenchmarkCompute(b *testing.B) {
+func BenchmarkMapCompute(b *testing.B) {
 	tests := []struct {
 		Name string
 		Op   ComputeOp
@@ -1487,6 +1626,57 @@ func BenchmarkCompute(b *testing.B) {
 	}
 }
 
+func BenchmarkMapParallelRehashing(b *testing.B) {
+	tests := []struct {
+		name       string
+		goroutines int
+		numEntries int
+	}{
+		{"1goroutine_10M", 1, 10_000_000},
+		{"4goroutines_10M", 4, 10_000_000},
+		{"8goroutines_10M", 8, 10_000_000},
+	}
+	for _, test := range tests {
+		b.Run(test.name, func(b *testing.B) {
+			for i := 0; i < b.N; i++ {
+				m := NewMap[int, int]()
+
+				var wg sync.WaitGroup
+				entriesPerGoroutine := test.numEntries / test.goroutines
+
+				start := time.Now()
+
+				for g := 0; g < test.goroutines; g++ {
+					wg.Add(1)
+					go func(goroutineID int) {
+						defer wg.Done()
+						base := goroutineID * entriesPerGoroutine
+						for j := 0; j < entriesPerGoroutine; j++ {
+							key := base + j
+							m.Store(key, key)
+						}
+					}(g)
+				}
+
+				wg.Wait()
+				duration := time.Since(start)
+
+				b.ReportMetric(float64(test.numEntries)/duration.Seconds(), "entries/s")
+
+				finalSize := m.Size()
+				if finalSize != test.numEntries {
+					b.Fatalf("Expected size %d, got %d", test.numEntries, finalSize)
+				}
+
+				stats := m.Stats()
+				if stats.TotalGrowths == 0 {
+					b.Error("Expected at least one table growth during rehashing")
+				}
+			}
+		})
+	}
+}
+
 func TestNextPowOf2(t *testing.T) {
 	if nextPowOf2(0) != 1 {
 		t.Error("nextPowOf2 failed")

component/ca/auth.go

@@ -1,17 +1,17 @@
-package tls
+package ca
 
 import (
-	utls "github.com/metacubex/utls"
+	"github.com/metacubex/tls"
 )
 
-type ClientAuthType = utls.ClientAuthType
+type ClientAuthType = tls.ClientAuthType
 
 const (
-	NoClientCert               = utls.NoClientCert
+	NoClientCert               = tls.NoClientCert
-	RequestClientCert          = utls.RequestClientCert
+	RequestClientCert          = tls.RequestClientCert
-	RequireAnyClientCert       = utls.RequireAnyClientCert
+	RequireAnyClientCert       = tls.RequireAnyClientCert
-	VerifyClientCertIfGiven    = utls.VerifyClientCertIfGiven
+	VerifyClientCertIfGiven    = tls.VerifyClientCertIfGiven
-	RequireAndVerifyClientCert = utls.RequireAndVerifyClientCert
+	RequireAndVerifyClientCert = tls.RequireAndVerifyClientCert
 )
 
 func ClientAuthTypeFromString(s string) ClientAuthType {

component/ca/config.go

@@ -1,7 +1,6 @@
 package ca
 
 import (
-	"crypto/tls"
 	"crypto/x509"
 	_ "embed"
 	"errors"
@@ -11,8 +10,9 @@ import (
 	"sync"
 
 	"github.com/metacubex/mihomo/common/once"
-	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/ntp"
+
+	"github.com/metacubex/tls"
 )
 
 var globalCertPool *x509.CertPool
@@ -106,12 +106,13 @@ func GetTLSConfig(opt Option) (tlsConfig *tls.Config, err error) {
 	}
 
 	if len(opt.Certificate) > 0 || len(opt.PrivateKey) > 0 {
-		var cert tls.Certificate
+		certLoader, err := NewTLSKeyPairLoader(opt.Certificate, opt.PrivateKey)
-		cert, err = LoadTLSKeyPair(opt.Certificate, opt.PrivateKey, C.Path)
 		if err != nil {
 			return nil, err
 		}
-		tlsConfig.Certificates = []tls.Certificate{cert}
+		tlsConfig.GetClientCertificate = func(*tls.CertificateRequestInfo) (*tls.Certificate, error) {
+			return certLoader()
+		}
 	}
 	return tlsConfig, nil
 }

component/ca/keypair.go

@@ -7,71 +7,85 @@ 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 {
+// NewTLSKeyPairLoader creates a loader function for TLS key pairs from the provided certificate and private key data or file paths.
-	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.
 // 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 NewTLSKeyPairLoader(certificate, privateKey string) (func() (*tls.Certificate, error), error) {
-func LoadTLSKeyPair(certificate, privateKey string, path Path) (tls.Certificate, 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
+		return func() (*tls.Certificate, error) {
-	}
+			return &cert, nil
-	if path == nil {
+		}, nil
-		return tls.Certificate{}, painTextErr
 	}
 
-	certificate = path.Resolve(certificate)
+	certificate = C.Path.Resolve(certificate)
-	privateKey = path.Resolve(privateKey)
+	privateKey = C.Path.Resolve(privateKey)
 	var loadErr error
-	if !path.IsSafePath(certificate) {
+	if !C.Path.IsSafePath(certificate) {
-		loadErr = path.ErrNotSafePath(certificate)
+		loadErr = C.Path.ErrNotSafePath(certificate)
-	} else if !path.IsSafePath(privateKey) {
+	} else if !C.Path.IsSafePath(privateKey) {
-		loadErr = path.ErrNotSafePath(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, path Path) (*x509.CertPool, error) {
+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)
-	if path == nil {
-		return nil, painTextErr
-	}
 
-	certificate = path.Resolve(certificate)
+	certificate = C.Path.Resolve(certificate)
 	var loadErr error
-	if !path.IsSafePath(certificate) {
+	if !C.Path.IsSafePath(certificate) {
-		loadErr = path.ErrNotSafePath(certificate)
+		loadErr = C.Path.ErrNotSafePath(certificate)
 	} else {
 		certPEMBlock, err := os.ReadFile(certificate)
 		if pool.AppendCertsFromPEM(certPEMBlock) {
@@ -82,6 +96,9 @@ func LoadCertificates(certificate string, path Path) (*x509.CertPool, error) {
 	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
 }
 

component/dialer/dialer.go

@@ -13,6 +13,7 @@ import (
 	"time"
 
 	"github.com/metacubex/mihomo/component/keepalive"
+	"github.com/metacubex/mihomo/component/mptcp"
 	"github.com/metacubex/mihomo/component/resolver"
 )
 
@@ -140,9 +141,7 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 
 	dialer := netDialer.(*net.Dialer)
 	keepalive.SetNetDialer(dialer)
-	if opt.mpTcp {
+	mptcp.SetNetDialer(dialer, opt.mpTcp)
-		setMultiPathTCP(dialer)
-	}
 
 	if DefaultSocketHook != nil { // ignore interfaceName, routingMark and tfo when DefaultSocketHook not null (in CMFA)
 		socketHookToToDialer(dialer)

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"
+	C "github.com/metacubex/mihomo/constant"
-	tlsC "github.com/metacubex/mihomo/component/tls"
 
+	"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) {
+func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {
-	var keys []tlsC.EncryptedClientHelloKey
+	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) {
+	if !C.Path.IsSafePath(key) {
-		loadErr = path.ErrNotSafePath(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 echKeys, err
-	return nil
 }

component/ech/key_test.go

@@ -0,0 +1,30 @@
+package ech
+
+import (
+	"encoding/base64"
+	"testing"
+
+	"github.com/metacubex/mihomo/component/ech/echparser"
+)
+
+func TestGenECHConfig(t *testing.T) {
+	domain := "www.example.com"
+	configBase64, _, err := GenECHConfig(domain)
+	if err != nil {
+		t.Error(err)
+	}
+	echConfigList, err := base64.StdEncoding.DecodeString(configBase64)
+	if err != nil {
+		t.Error(err)
+	}
+	echConfigs, err := echparser.ParseECHConfigList(echConfigList)
+	if err != nil {
+		t.Error(err)
+	}
+	if len(echConfigs) == 0 {
+		t.Error("no ech config")
+	}
+	if publicName := string(echConfigs[0].PublicName); publicName != domain {
+		t.Error("ech config domain error, expect ", domain, " got", publicName)
+	}
+}

component/fakeip/cachefile.go

@@ -50,6 +50,10 @@ func (c *cachefileStore) FlushFakeIP() error {
 	return c.cache.FlushFakeIP()
 }
 
-func newCachefileStore(cache *cachefile.CacheFile) *cachefileStore {
+func newCachefileStore(cache *cachefile.CacheFile, prefix netip.Prefix) *cachefileStore {
-	return &cachefileStore{cache.FakeIpStore()}
+	if prefix.Addr().Is6() {
+		return &cachefileStore{cache.FakeIpStore6()}
+	} else {
+		return &cachefileStore{cache.FakeIpStore()}
+	}
 }

component/fakeip/pool.go

@@ -7,7 +7,6 @@ import (
 	"sync"
 
 	"github.com/metacubex/mihomo/component/profile/cachefile"
-	C "github.com/metacubex/mihomo/constant"
 
 	"go4.org/netipx"
 )
@@ -36,8 +35,6 @@ type Pool struct {
 	offset  netip.Addr
 	cycle   bool
 	mux     sync.Mutex
-	host    []C.DomainMatcher
-	mode    C.FilterMode
 	ipnet   netip.Prefix
 	store   store
 }
@@ -66,24 +63,6 @@ func (p *Pool) LookBack(ip netip.Addr) (string, bool) {
 	return p.store.GetByIP(ip)
 }
 
-// ShouldSkipped return if domain should be skipped
-func (p *Pool) ShouldSkipped(domain string) bool {
-	should := p.shouldSkipped(domain)
-	if p.mode == C.FilterWhiteList {
-		return !should
-	}
-	return should
-}
-
-func (p *Pool) shouldSkipped(domain string) bool {
-	for _, matcher := range p.host {
-		if matcher.MatchDomain(domain) {
-			return true
-		}
-	}
-	return false
-}
-
 // Exist returns if given ip exists in fake-ip pool
 func (p *Pool) Exist(ip netip.Addr) bool {
 	p.mux.Lock()
@@ -166,8 +145,6 @@ func (p *Pool) restoreState() {
 
 type Options struct {
 	IPNet netip.Prefix
-	Host  []C.DomainMatcher
-	Mode  C.FilterMode
 
 	// Size sets the maximum number of entries in memory
 	// and does not work if Persistence is true
@@ -197,12 +174,10 @@ func New(options Options) (*Pool, error) {
 		last:    last,
 		offset:  first.Prev(),
 		cycle:   false,
-		host:    options.Host,
-		mode:    options.Mode,
 		ipnet:   options.IPNet,
 	}
 	if options.Persistence {
-		pool.store = newCachefileStore(cachefile.Cache())
+		pool.store = newCachefileStore(cachefile.Cache(), options.IPNet)
 	} else {
 		pool.store = newMemoryStore(options.Size)
 	}

component/fakeip/pool_test.go

@@ -8,8 +8,6 @@ import (
 	"time"
 
 	"github.com/metacubex/mihomo/component/profile/cachefile"
-	"github.com/metacubex/mihomo/component/trie"
-	C "github.com/metacubex/mihomo/constant"
 
 	"github.com/metacubex/bbolt"
 	"github.com/stretchr/testify/assert"
@@ -43,7 +41,7 @@ func createCachefileStore(options Options) (*Pool, string, error) {
 		return nil, "", err
 	}
 
-	pool.store = newCachefileStore(&cachefile.CacheFile{DB: db})
+	pool.store = newCachefileStore(&cachefile.CacheFile{DB: db}, options.IPNet)
 	return pool, f.Name(), nil
 }
 
@@ -146,47 +144,6 @@ func TestPool_CycleUsed(t *testing.T) {
 	}
 }
 
-func TestPool_Skip(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/29")
-	tree := trie.New[struct{}]()
-	assert.NoError(t, tree.Insert("example.com", struct{}{}))
-	assert.False(t, tree.IsEmpty())
-	pools, tempfile, err := createPools(Options{
-		IPNet: ipnet,
-		Size:  10,
-		Host:  []C.DomainMatcher{tree.NewDomainSet()},
-	})
-	assert.Nil(t, err)
-	defer os.Remove(tempfile)
-
-	for _, pool := range pools {
-		assert.True(t, pool.ShouldSkipped("example.com"))
-		assert.False(t, pool.ShouldSkipped("foo.com"))
-		assert.False(t, pool.shouldSkipped("baz.com"))
-	}
-}
-
-func TestPool_SkipWhiteList(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/29")
-	tree := trie.New[struct{}]()
-	assert.NoError(t, tree.Insert("example.com", struct{}{}))
-	assert.False(t, tree.IsEmpty())
-	pools, tempfile, err := createPools(Options{
-		IPNet: ipnet,
-		Size:  10,
-		Host:  []C.DomainMatcher{tree.NewDomainSet()},
-		Mode:  C.FilterWhiteList,
-	})
-	assert.Nil(t, err)
-	defer os.Remove(tempfile)
-
-	for _, pool := range pools {
-		assert.False(t, pool.ShouldSkipped("example.com"))
-		assert.True(t, pool.ShouldSkipped("foo.com"))
-		assert.True(t, pool.ShouldSkipped("baz.com"))
-	}
-}
-
 func TestPool_MaxCacheSize(t *testing.T) {
 	ipnet := netip.MustParsePrefix("192.168.0.1/24")
 	pool, _ := New(Options{

component/fakeip/skipper.go

@@ -0,0 +1,44 @@
+package fakeip
+
+import (
+	C "github.com/metacubex/mihomo/constant"
+)
+
+const (
+	UseFakeIP = "fake-ip"
+	UseRealIP = "real-ip"
+)
+
+type Skipper struct {
+	Rules []C.Rule
+	Host  []C.DomainMatcher
+	Mode  C.FilterMode
+}
+
+// ShouldSkipped return if domain should be skipped
+func (p *Skipper) ShouldSkipped(domain string) bool {
+	if len(p.Rules) > 0 {
+		metadata := &C.Metadata{Host: domain}
+		for _, rule := range p.Rules {
+			if matched, action := rule.Match(metadata, C.RuleMatchHelper{}); matched {
+				return action == UseRealIP
+			}
+		}
+		return false
+	}
+
+	should := p.shouldSkipped(domain)
+	if p.Mode == C.FilterWhiteList {
+		return !should
+	}
+	return should
+}
+
+func (p *Skipper) shouldSkipped(domain string) bool {
+	for _, matcher := range p.Host {
+		if matcher.MatchDomain(domain) {
+			return true
+		}
+	}
+	return false
+}

component/fakeip/skipper_test.go

@@ -0,0 +1,35 @@
+package fakeip
+
+import (
+	"testing"
+
+	"github.com/metacubex/mihomo/component/trie"
+	C "github.com/metacubex/mihomo/constant"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSkipper_BlackList(t *testing.T) {
+	tree := trie.New[struct{}]()
+	assert.NoError(t, tree.Insert("example.com", struct{}{}))
+	assert.False(t, tree.IsEmpty())
+	skipper := &Skipper{
+		Host: []C.DomainMatcher{tree.NewDomainSet()},
+	}
+	assert.True(t, skipper.ShouldSkipped("example.com"))
+	assert.False(t, skipper.ShouldSkipped("foo.com"))
+	assert.False(t, skipper.shouldSkipped("baz.com"))
+}
+
+func TestSkipper_WhiteList(t *testing.T) {
+	tree := trie.New[struct{}]()
+	assert.NoError(t, tree.Insert("example.com", struct{}{}))
+	assert.False(t, tree.IsEmpty())
+	skipper := &Skipper{
+		Host: []C.DomainMatcher{tree.NewDomainSet()},
+		Mode: C.FilterWhiteList,
+	}
+	assert.False(t, skipper.ShouldSkipped("example.com"))
+	assert.True(t, skipper.ShouldSkipped("foo.com"))
+	assert.True(t, skipper.ShouldSkipped("baz.com"))
+}

component/generator/cmd.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"github.com/metacubex/mihomo/component/ech"
+	"github.com/metacubex/mihomo/transport/sudoku"
 	"github.com/metacubex/mihomo/transport/vless/encryption"
 
 	"github.com/gofrs/uuid/v5"
@@ -12,7 +13,7 @@ import (
 
 func Main(args []string) {
 	if len(args) < 1 {
-		panic("Using: generate uuid/reality-keypair/wg-keypair/ech-keypair/vless-mlkem768/vless-x25519")
+		panic("Using: generate uuid/reality-keypair/wg-keypair/ech-keypair/vless-mlkem768/vless-x25519/sudoku-keypair")
 	}
 	switch args[0] {
 	case "uuid":
@@ -69,5 +70,13 @@ func Main(args []string) {
 		fmt.Println("PrivateKey: " + privateKeyBase64)
 		fmt.Println("Password: " + passwordBase64)
 		fmt.Println("Hash32: " + hash32Base64)
+	case "sudoku-keypair":
+		privateKey, publicKey, err := sudoku.GenKeyPair()
+		if err != nil {
+			panic(err)
+		}
+		// Output: Available Private Key for client, Master Public Key for server
+		fmt.Println("PrivateKey: " + privateKey)
+		fmt.Println("PublicKey: " + publicKey)
 	}
 }

component/geodata/init.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"net/http"
 	"os"
 	"sync"
 	"time"
@@ -14,6 +13,8 @@ import (
 	"github.com/metacubex/mihomo/component/mmdb"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/log"
+
+	"github.com/metacubex/http"
 )
 
 var (

component/http/http.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"io"
 	"net"
-	"net/http"
 	URL "net/url"
 	"runtime"
 	"strings"
@@ -13,6 +12,8 @@ import (
 	"github.com/metacubex/mihomo/component/ca"
 	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/listener/inner"
+
+	"github.com/metacubex/http"
 )
 
 var (

component/memory/memory_darwin.go

@@ -1,9 +1,9 @@
 package memory
 
 import (
+	"syscall"
 	"unsafe"
-
+	_ "unsafe"
-	"github.com/ebitengine/purego"
 )
 
 const PROC_PIDTASKINFO = 4
@@ -29,24 +29,12 @@ type ProcTaskInfo struct {
 	Priority          int32
 }
 
-const System = "/usr/lib/libSystem.B.dylib"
-
-type ProcPidInfoFunc func(pid, flavor int32, arg uint64, buffer uintptr, bufferSize int32) int32
-
-const ProcPidInfoSym = "proc_pidinfo"
-
 func GetMemoryInfo(pid int32) (*MemoryInfoStat, error) {
-	lib, err := purego.Dlopen(System, purego.RTLD_LAZY|purego.RTLD_GLOBAL)
-	if err != nil {
-		return nil, err
-	}
-	defer purego.Dlclose(lib)
-
-	var procPidInfo ProcPidInfoFunc
-	purego.RegisterLibFunc(&procPidInfo, lib, ProcPidInfoSym)
-
 	var ti ProcTaskInfo
-	procPidInfo(pid, PROC_PIDTASKINFO, 0, uintptr(unsafe.Pointer(&ti)), int32(unsafe.Sizeof(ti)))
+	_, _, errno := syscall_syscall6(proc_pidinfo_trampoline_addr, uintptr(pid), PROC_PIDTASKINFO, 0, uintptr(unsafe.Pointer(&ti)), unsafe.Sizeof(ti), 0)
+	if errno != 0 {
+		return nil, errno
+	}
 
 	ret := &MemoryInfoStat{
 		RSS: uint64(ti.Resident_size),
@@ -54,3 +42,26 @@ func GetMemoryInfo(pid int32) (*MemoryInfoStat, error) {
 	}
 	return ret, nil
 }
+
+var proc_pidinfo_trampoline_addr uintptr
+
+//go:cgo_import_dynamic proc_pidinfo proc_pidinfo "/usr/lib/libSystem.B.dylib"
+
+// from golang.org/x/sys@v0.30.0/unix/syscall_darwin_libSystem.go
+
+// Implemented in the runtime package (runtime/sys_darwin.go)
+func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // 32-bit only
+func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscallPtr(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+//go:linkname syscall_syscall syscall.syscall
+//go:linkname syscall_syscall6 syscall.syscall6
+//go:linkname syscall_syscall6X syscall.syscall6X
+//go:linkname syscall_syscall9 syscall.syscall9
+//go:linkname syscall_rawSyscall syscall.rawSyscall
+//go:linkname syscall_rawSyscall6 syscall.rawSyscall6
+//go:linkname syscall_syscallPtr syscall.syscallPtr

component/memory/memory_darwin_amd64.s

@@ -0,0 +1,9 @@
+// go run mkasm.go darwin amd64
+// Code generated by the command above; DO NOT EDIT.
+
+#include "textflag.h"
+
+TEXT proc_pidinfo_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	proc_pidinfo(SB)
+GLOBL	·proc_pidinfo_trampoline_addr(SB), RODATA, $8
+DATA	·proc_pidinfo_trampoline_addr(SB)/8, $proc_pidinfo_trampoline<>(SB)

component/memory/memory_darwin_arm64.s

@@ -0,0 +1,9 @@
+// go run mkasm.go darwin arm64
+// Code generated by the command above; DO NOT EDIT.
+
+#include "textflag.h"
+
+TEXT proc_pidinfo_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	proc_pidinfo(SB)
+GLOBL	·proc_pidinfo_trampoline_addr(SB), RODATA, $8
+DATA	·proc_pidinfo_trampoline_addr(SB)/8, $proc_pidinfo_trampoline<>(SB)

component/mptcp/mptcp_go120.go

@@ -0,0 +1,23 @@
+//go:build !go1.21
+
+package mptcp
+
+import (
+	"net"
+)
+
+const MultipathTCPAvailable = false
+
+func SetNetDialer(dialer *net.Dialer, open bool) {
+}
+
+func GetNetDialer(dialer *net.Dialer) bool {
+	return false
+}
+
+func SetNetListenConfig(listenConfig *net.ListenConfig, open bool) {
+}
+
+func GetNetListenConfig(listenConfig *net.ListenConfig) bool {
+	return false
+}

component/mptcp/mptcp_go121.go

@@ -0,0 +1,23 @@
+//go:build go1.21
+
+package mptcp
+
+import "net"
+
+const MultipathTCPAvailable = true
+
+func SetNetDialer(dialer *net.Dialer, open bool) {
+	dialer.SetMultipathTCP(open)
+}
+
+func GetNetDialer(dialer *net.Dialer) bool {
+	return dialer.MultipathTCP()
+}
+
+func SetNetListenConfig(listenConfig *net.ListenConfig, open bool) {
+	listenConfig.SetMultipathTCP(open)
+}
+
+func GetNetListenConfig(listenConfig *net.ListenConfig) bool {
+	return listenConfig.MultipathTCP()
+}

component/process/process_freebsd_amd64.go

@@ -197,6 +197,10 @@ func newSearcher(major int) *searcher {
 	case 12:
 		fallthrough
 	case 13:
+		fallthrough
+	case 14:
+		fallthrough
+	case 15:
 		s = &searcher{
 			headSize:     64,
 			tcpItemSize:  744,

component/profile/cachefile/cache.go

@@ -19,6 +19,7 @@ var (
 
 	bucketSelected         = []byte("selected")
 	bucketFakeip           = []byte("fakeip")
+	bucketFakeip6          = []byte("fakeip6")
 	bucketETag             = []byte("etag")
 	bucketSubscriptionInfo = []byte("subscriptioninfo")
 )

component/profile/cachefile/fakeip.go

@@ -10,10 +10,15 @@ import (
 
 type FakeIpStore struct {
 	*CacheFile
+	bucketName []byte
 }
 
 func (c *CacheFile) FakeIpStore() *FakeIpStore {
-	return &FakeIpStore{c}
+	return &FakeIpStore{c, bucketFakeip}
+}
+
+func (c *CacheFile) FakeIpStore6() *FakeIpStore {
+	return &FakeIpStore{c, bucketFakeip6}
 }
 
 func (c *FakeIpStore) GetByHost(host string) (ip netip.Addr, exist bool) {
@@ -21,7 +26,7 @@ func (c *FakeIpStore) GetByHost(host string) (ip netip.Addr, exist bool) {
 		return
 	}
 	c.DB.View(func(t *bbolt.Tx) error {
-		if bucket := t.Bucket(bucketFakeip); bucket != nil {
+		if bucket := t.Bucket(c.bucketName); bucket != nil {
 			if v := bucket.Get([]byte(host)); v != nil {
 				ip, exist = netip.AddrFromSlice(v)
 			}
@@ -36,7 +41,7 @@ func (c *FakeIpStore) PutByHost(host string, ip netip.Addr) {
 		return
 	}
 	err := c.DB.Batch(func(t *bbolt.Tx) error {
-		bucket, err := t.CreateBucketIfNotExists(bucketFakeip)
+		bucket, err := t.CreateBucketIfNotExists(c.bucketName)
 		if err != nil {
 			return err
 		}
@@ -52,7 +57,7 @@ func (c *FakeIpStore) GetByIP(ip netip.Addr) (host string, exist bool) {
 		return
 	}
 	c.DB.View(func(t *bbolt.Tx) error {
-		if bucket := t.Bucket(bucketFakeip); bucket != nil {
+		if bucket := t.Bucket(c.bucketName); bucket != nil {
 			if v := bucket.Get(ip.AsSlice()); v != nil {
 				host, exist = string(v), true
 			}
@@ -67,7 +72,7 @@ func (c *FakeIpStore) PutByIP(ip netip.Addr, host string) {
 		return
 	}
 	err := c.DB.Batch(func(t *bbolt.Tx) error {
-		bucket, err := t.CreateBucketIfNotExists(bucketFakeip)
+		bucket, err := t.CreateBucketIfNotExists(c.bucketName)
 		if err != nil {
 			return err
 		}
@@ -85,7 +90,7 @@ func (c *FakeIpStore) DelByIP(ip netip.Addr) {
 
 	addr := ip.AsSlice()
 	err := c.DB.Batch(func(t *bbolt.Tx) error {
-		bucket, err := t.CreateBucketIfNotExists(bucketFakeip)
+		bucket, err := t.CreateBucketIfNotExists(c.bucketName)
 		if err != nil {
 			return err
 		}
@@ -105,11 +110,11 @@ func (c *FakeIpStore) DelByIP(ip netip.Addr) {
 
 func (c *FakeIpStore) FlushFakeIP() error {
 	err := c.DB.Batch(func(t *bbolt.Tx) error {
-		bucket := t.Bucket(bucketFakeip)
+		bucket := t.Bucket(c.bucketName)
 		if bucket == nil {
 			return nil
 		}
-		return t.DeleteBucket(bucketFakeip)
+		return t.DeleteBucket(c.bucketName)
 	})
 	return err
 }

component/proxydialer/byname.go

@@ -0,0 +1,37 @@
+package proxydialer
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/netip"
+
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/tunnel"
+)
+
+type byNameProxyDialer struct {
+	proxyName string
+}
+
+func (d byNameProxyDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	proxies := tunnel.Proxies()
+	proxy, ok := proxies[d.proxyName]
+	if !ok {
+		return nil, fmt.Errorf("proxyName[%s] not found", d.proxyName)
+	}
+	return New(proxy, true).DialContext(ctx, network, address)
+}
+
+func (d byNameProxyDialer) ListenPacket(ctx context.Context, network, address string, rAddrPort netip.AddrPort) (net.PacketConn, error) {
+	proxies := tunnel.Proxies()
+	proxy, ok := proxies[d.proxyName]
+	if !ok {
+		return nil, fmt.Errorf("proxyName[%s] not found", d.proxyName)
+	}
+	return New(proxy, true).ListenPacket(ctx, network, address, rAddrPort)
+}
+
+func NewByName(proxyName string) C.Dialer {
+	return byNameProxyDialer{proxyName: proxyName}
+}

component/proxydialer/proxydialer.go

@@ -2,34 +2,22 @@ package proxydialer
 
 import (
 	"context"
-	"fmt"
 	"net"
 	"net/netip"
 	"strings"
 
 	N "github.com/metacubex/mihomo/common/net"
-	"github.com/metacubex/mihomo/component/dialer"
 	C "github.com/metacubex/mihomo/constant"
-	"github.com/metacubex/mihomo/tunnel"
 	"github.com/metacubex/mihomo/tunnel/statistic"
 )
 
 type proxyDialer struct {
 	proxy     C.ProxyAdapter
-	dialer    C.Dialer
 	statistic bool
 }
 
-func New(proxy C.ProxyAdapter, dialer C.Dialer, statistic bool) C.Dialer {
+func New(proxy C.ProxyAdapter, statistic bool) C.Dialer {
-	return proxyDialer{proxy: proxy, dialer: dialer, statistic: statistic}
+	return proxyDialer{proxy: proxy, statistic: statistic}
-}
-
-func NewByName(proxyName string, dialer C.Dialer) (C.Dialer, error) {
-	proxies := tunnel.Proxies()
-	if proxy, ok := proxies[proxyName]; ok {
-		return New(proxy, dialer, true), nil
-	}
-	return nil, fmt.Errorf("proxyName[%s] not found", proxyName)
 }
 
 func (p proxyDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
@@ -50,13 +38,7 @@ func (p proxyDialer) DialContext(ctx context.Context, network, address string) (
 		}
 		return N.NewBindPacketConn(pc, currentMeta.UDPAddr()), nil
 	}
-	var conn C.Conn
+	conn, err := p.proxy.DialContext(ctx, currentMeta)
-	var err error
-	if _, ok := p.dialer.(dialer.Dialer); ok { // first using old function to let mux work
-		conn, err = p.proxy.DialContext(ctx, currentMeta)
-	} else {
-		conn, err = p.proxy.DialContextWithDialer(ctx, p.dialer, currentMeta)
-	}
 	if err != nil {
 		return nil, err
 	}
@@ -72,14 +54,8 @@ func (p proxyDialer) ListenPacket(ctx context.Context, network, address string,
 }
 
 func (p proxyDialer) listenPacket(ctx context.Context, currentMeta *C.Metadata) (C.PacketConn, error) {
-	var pc C.PacketConn
-	var err error
 	currentMeta.NetWork = C.UDP
-	if _, ok := p.dialer.(dialer.Dialer); ok { // first using old function to let mux work
+	pc, err := p.proxy.ListenPacketContext(ctx, currentMeta)
-		pc, err = p.proxy.ListenPacketContext(ctx, currentMeta)
-	} else {
-		pc, err = p.proxy.ListenPacketWithDialer(ctx, p.dialer, currentMeta)
-	}
 	if err != nil {
 		return nil, err
 	}

component/proxydialer/sing.go

@@ -12,71 +12,22 @@ import (
 
 type SingDialer interface {
 	N.Dialer
-	SetDialer(dialer C.Dialer)
 }
 
-type singDialer proxyDialer
+type singDialer struct {
+	cDialer C.Dialer
+}
 
 var _ N.Dialer = (*singDialer)(nil)
 
-func (d *singDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+func (d singDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	return (*proxyDialer)(d).DialContext(ctx, network, destination.String())
+	return d.cDialer.DialContext(ctx, network, destination.String())
 }
 
-func (d *singDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+func (d singDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return (*proxyDialer)(d).ListenPacket(ctx, "udp", "", destination.AddrPort())
+	return d.cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
 }
 
-func (d *singDialer) SetDialer(dialer C.Dialer) {
+func NewSingDialer(cDialer C.Dialer) SingDialer {
-	(*proxyDialer)(d).dialer = dialer
+	return singDialer{cDialer: cDialer}
-}
-
-func NewSingDialer(proxy C.ProxyAdapter, dialer C.Dialer, statistic bool) SingDialer {
-	return (*singDialer)(&proxyDialer{
-		proxy:     proxy,
-		dialer:    dialer,
-		statistic: statistic,
-	})
-}
-
-type byNameSingDialer struct {
-	dialer    C.Dialer
-	proxyName string
-}
-
-var _ N.Dialer = (*byNameSingDialer)(nil)
-
-func (d *byNameSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	var cDialer C.Dialer = d.dialer
-	if len(d.proxyName) > 0 {
-		pd, err := NewByName(d.proxyName, d.dialer)
-		if err != nil {
-			return nil, err
-		}
-		cDialer = pd
-	}
-	return cDialer.DialContext(ctx, network, destination.String())
-}
-
-func (d *byNameSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	var cDialer C.Dialer = d.dialer
-	if len(d.proxyName) > 0 {
-		pd, err := NewByName(d.proxyName, d.dialer)
-		if err != nil {
-			return nil, err
-		}
-		cDialer = pd
-	}
-	return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
-}
-
-func (d *byNameSingDialer) SetDialer(dialer C.Dialer) {
-	d.dialer = dialer
-}
-
-func NewByNameSingDialer(proxyName string, dialer C.Dialer) SingDialer {
-	return &byNameSingDialer{
-		dialer:    dialer,
-		proxyName: proxyName,
-	}
 }

component/resolver/service.go

@@ -6,15 +6,15 @@ import (
 	D "github.com/miekg/dns"
 )
 
-var DefaultLocalServer LocalServer
+var DefaultService Service
 
-type LocalServer interface {
+type Service interface {
 	ServeMsg(ctx context.Context, msg *D.Msg) (*D.Msg, error)
 }
 
 // ServeMsg with a dns.Msg, return resolve dns.Msg
 func ServeMsg(ctx context.Context, msg *D.Msg) (*D.Msg, error) {
-	if server := DefaultLocalServer; server != nil {
+	if server := DefaultService; server != nil {
 		return server.ServeMsg(ctx, msg)
 	}
 

component/resource/fetcher.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/slowdown"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	"github.com/metacubex/mihomo/log"
 
 	"github.com/metacubex/fswatch"
@@ -22,7 +22,7 @@ type Fetcher[V any] struct {
 	ctxCancel    context.CancelFunc
 	resourceType string
 	name         string
-	vehicle      types.Vehicle
+	vehicle      P.Vehicle
 	updatedAt    time.Time
 	hash         utils.HashType
 	parser       Parser[V]
@@ -37,11 +37,11 @@ func (f *Fetcher[V]) Name() string {
 	return f.name
 }
 
-func (f *Fetcher[V]) Vehicle() types.Vehicle {
+func (f *Fetcher[V]) Vehicle() P.Vehicle {
 	return f.vehicle
 }
 
-func (f *Fetcher[V]) VehicleType() types.VehicleType {
+func (f *Fetcher[V]) VehicleType() P.VehicleType {
 	return f.vehicle.Type()
 }
 
@@ -88,7 +88,7 @@ func (f *Fetcher[V]) Update() (V, bool, error) {
 		f.backoff.AddAttempt() // add a failed attempt to backoff
 		return lo.Empty[V](), false, err
 	}
-	return f.loadBuf(buf, hash, f.vehicle.Type() != types.File)
+	return f.loadBuf(buf, hash, f.vehicle.Type() != P.File)
 }
 
 func (f *Fetcher[V]) SideUpdate(buf []byte) (V, bool, error) {
@@ -180,7 +180,7 @@ func (f *Fetcher[V]) pullLoop(forceUpdate bool) {
 
 func (f *Fetcher[V]) startPullLoop(forceUpdate bool) (err error) {
 	// pull contents automatically
-	if f.vehicle.Type() == types.File {
+	if f.vehicle.Type() == P.File {
 		f.watcher, err = fswatch.NewWatcher(fswatch.Options{
 			Path:     []string{f.vehicle.Path()},
 			Callback: f.updateCallback,
@@ -218,7 +218,7 @@ func (f *Fetcher[V]) updateWithLog() {
 	return
 }
 
-func NewFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser Parser[V], onUpdate func(V)) *Fetcher[V] {
+func NewFetcher[V any](name string, interval time.Duration, vehicle P.Vehicle, parser Parser[V], onUpdate func(V)) *Fetcher[V] {
 	ctx, cancel := context.WithCancel(context.Background())
 	minBackoff := 10 * time.Second
 	if interval < minBackoff {

component/resource/vehicle.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"io"
-	"net/http"
 	"os"
 	"path/filepath"
 	"time"
@@ -12,7 +11,9 @@ import (
 	"github.com/metacubex/mihomo/common/utils"
 	mihomoHttp "github.com/metacubex/mihomo/component/http"
 	"github.com/metacubex/mihomo/component/profile/cachefile"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
+
+	"github.com/metacubex/http"
 )
 
 const (
@@ -50,8 +51,8 @@ type FileVehicle struct {
 	path string
 }
 
-func (f *FileVehicle) Type() types.VehicleType {
+func (f *FileVehicle) Type() P.VehicleType {
-	return types.File
+	return P.File
 }
 
 func (f *FileVehicle) Path() string {
@@ -91,15 +92,15 @@ type HTTPVehicle struct {
 	timeout   time.Duration
 	sizeLimit int64
 	inRead    func(response *http.Response)
-	provider  types.ProxyProvider
+	provider  P.ProxyProvider
 }
 
 func (h *HTTPVehicle) Url() string {
 	return h.url
 }
 
-func (h *HTTPVehicle) Type() types.VehicleType {
+func (h *HTTPVehicle) Type() P.VehicleType {
-	return types.HTTP
+	return P.HTTP
 }
 
 func (h *HTTPVehicle) Path() string {

component/tls/httpserver.go

@@ -3,14 +3,13 @@ package tls
 import (
 	"context"
 	"net"
-	"net/http"
 	"runtime/debug"
 	"time"
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/log"
 
-	"golang.org/x/net/http2"
+	"github.com/metacubex/http"
 )
 
 func extractTlsHandshakeTimeoutFromServer(s *http.Server) time.Duration {
@@ -35,8 +34,8 @@ func extractTlsHandshakeTimeoutFromServer(s *http.Server) time.Duration {
 // only do tls handshake and check NegotiatedProtocol with std's *tls.Conn
 // so we do the same logic to let http2 (not h2c) work fine
 func NewListenerForHttps(l net.Listener, httpServer *http.Server, tlsConfig *Config) net.Listener {
-	http2Server := &http2.Server{}
+	http2Server := &http.Http2Server{}
-	_ = http2.ConfigureServer(httpServer, http2Server)
+	_ = http.Http2ConfigureServer(httpServer, http2Server)
 	return N.NewHandleContextListener(context.Background(), l, func(ctx context.Context, conn net.Conn) (net.Conn, error) {
 		c := Server(conn, tlsConfig)
 
@@ -58,8 +57,8 @@ func NewListenerForHttps(l net.Listener, httpServer *http.Server, tlsConfig *Con
 			_ = conn.SetWriteDeadline(time.Time{})
 		}
 
-		if c.ConnectionState().NegotiatedProtocol == http2.NextProtoTLS {
+		if c.ConnectionState().NegotiatedProtocol == http.Http2NextProtoTLS {
-			http2Server.ServeConn(c, &http2.ServeConnOpts{BaseConfig: httpServer})
+			http2Server.ServeConn(c, &http.Http2ServeConnOpts{BaseConfig: httpServer})
 			return nil, net.ErrClosed
 		}
 		return c, nil

component/tls/reality.go

@@ -10,22 +10,21 @@ import (
 	"crypto/hmac"
 	"crypto/sha256"
 	"crypto/sha512"
-	"crypto/tls"
 	"crypto/x509"
 	"encoding/binary"
 	"errors"
 	"net"
-	"net/http"
 	"strings"
 	"time"
 
 	"github.com/metacubex/mihomo/log"
 	"github.com/metacubex/mihomo/ntp"
 
+	"github.com/metacubex/http"
 	"github.com/metacubex/randv2"
+	"github.com/metacubex/tls"
 	utls "github.com/metacubex/utls"
 	"golang.org/x/crypto/hkdf"
-	"golang.org/x/net/http2"
 )
 
 const RealityMaxShortIDLen = 8
@@ -37,13 +36,14 @@ type RealityConfig struct {
 	SupportX25519MLKEM768 bool
 }
 
-func GetRealityConn(ctx context.Context, conn net.Conn, fingerprint UClientHelloID, tlsConfig *Config, realityConfig *RealityConfig) (net.Conn, error) {
+func GetRealityConn(ctx context.Context, conn net.Conn, fingerprint UClientHelloID, serverName string, realityConfig *RealityConfig) (net.Conn, error) {
 	for retry := 0; ; retry++ {
 		verifier := &realityVerifier{
-			serverName: tlsConfig.ServerName,
+			serverName: serverName,
 		}
 		uConfig := &utls.Config{
-			ServerName:             tlsConfig.ServerName,
+			Time:                   ntp.Now,
+			ServerName:             serverName,
 			InsecureSkipVerify:     true,
 			SessionTicketsDisabled: true,
 			VerifyPeerCertificate:  verifier.VerifyPeerCertificate,
@@ -132,7 +132,7 @@ func GetRealityConn(ctx context.Context, conn net.Conn, fingerprint UClientHello
 func realityClientFallback(uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
 	defer uConn.Close()
 	client := http.Client{
-		Transport: &http2.Transport{
+		Transport: &http.Http2Transport{
 			DialTLSContext: func(ctx context.Context, network, addr string, config *tls.Config) (net.Conn, error) {
 				return uConn, nil
 			},

component/tls/utls.go

@@ -1,13 +1,16 @@
 package tls
 
 import (
-	"crypto/tls"
+	"context"
 	"net"
+	"reflect"
+	"unsafe"
 
 	"github.com/metacubex/mihomo/common/once"
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/log"
 
+	"github.com/metacubex/tls"
 	utls "github.com/metacubex/utls"
 	"github.com/mroth/weightedrand/v2"
 )
@@ -126,8 +129,11 @@ type EncryptedClientHelloKey = utls.EncryptedClientHelloKey
 
 type Config = utls.Config
 
+var tlsCertificateRequestInfoCtxOffset = utils.MustOK(reflect.TypeOf((*tls.CertificateRequestInfo)(nil)).Elem().FieldByName("ctx")).Offset
+var tlsClientHelloInfoCtxOffset = utils.MustOK(reflect.TypeOf((*tls.ClientHelloInfo)(nil)).Elem().FieldByName("ctx")).Offset
+
 func UConfig(config *tls.Config) *utls.Config {
-	return &utls.Config{
+	cfg := &utls.Config{
 		Rand:                  config.Rand,
 		Time:                  config.Time,
 		Certificates:          utils.Map(config.Certificates, UCertificate),
@@ -147,6 +153,52 @@ func UConfig(config *tls.Config) *utls.Config {
 		SessionTicketsDisabled: config.SessionTicketsDisabled,
 		Renegotiation:          utls.RenegotiationSupport(config.Renegotiation),
 	}
+	if config.GetClientCertificate != nil {
+		cfg.GetClientCertificate = func(info *utls.CertificateRequestInfo) (*utls.Certificate, error) {
+			tlsInfo := &tls.CertificateRequestInfo{
+				AcceptableCAs: info.AcceptableCAs,
+				SignatureSchemes: utils.Map(info.SignatureSchemes, func(it utls.SignatureScheme) tls.SignatureScheme {
+					return tls.SignatureScheme(it)
+				}),
+				Version: info.Version,
+			}
+			*(*context.Context)(unsafe.Add(unsafe.Pointer(tlsInfo), tlsCertificateRequestInfoCtxOffset)) = info.Context() // for tlsInfo.ctx
+			cert, err := config.GetClientCertificate(tlsInfo)
+			if err != nil {
+				return nil, err
+			}
+			uCert := UCertificate(*cert)
+			return &uCert, err
+		}
+	}
+	if config.GetCertificate != nil {
+		cfg.GetCertificate = func(info *utls.ClientHelloInfo) (*utls.Certificate, error) {
+			tlsInfo := &tls.ClientHelloInfo{
+				CipherSuites: info.CipherSuites,
+				ServerName:   info.ServerName,
+				SupportedCurves: utils.Map(info.SupportedCurves, func(it utls.CurveID) tls.CurveID {
+					return tls.CurveID(it)
+				}),
+				SupportedPoints: info.SupportedPoints,
+				SignatureSchemes: utils.Map(info.SignatureSchemes, func(it utls.SignatureScheme) tls.SignatureScheme {
+					return tls.SignatureScheme(it)
+				}),
+				SupportedProtos:   info.SupportedProtos,
+				SupportedVersions: info.SupportedVersions,
+				Extensions:        info.Extensions,
+				Conn:              info.Conn,
+				//HelloRetryRequest: info.HelloRetryRequest,
+			}
+			*(*context.Context)(unsafe.Add(unsafe.Pointer(tlsInfo), tlsClientHelloInfoCtxOffset)) = info.Context() // for tlsInfo.ctx
+			cert, err := config.GetCertificate(tlsInfo)
+			if err != nil {
+				return nil, err
+			}
+			uCert := UCertificate(*cert)
+			return &uCert, err
+		}
+	}
+	return cfg
 }
 
 // BuildWebsocketHandshakeState it will only send http/1.1 in its ALPN.

component/updater/update_core.go

@@ -6,7 +6,6 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"net/http"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -20,6 +19,8 @@ import (
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/constant/features"
 	"github.com/metacubex/mihomo/log"
+
+	"github.com/metacubex/http"
 )
 
 const (

component/updater/utils.go

@@ -3,11 +3,12 @@ package updater
 import (
 	"context"
 	"io"
-	"net/http"
 	"os"
 	"time"
 
 	mihomoHttp "github.com/metacubex/mihomo/component/http"
+
+	"github.com/metacubex/http"
 )
 
 const defaultHttpTimeout = time.Second * 90

config/config.go

@@ -20,15 +20,15 @@ import (
 	"github.com/metacubex/mihomo/component/cidr"
 	"github.com/metacubex/mihomo/component/fakeip"
 	"github.com/metacubex/mihomo/component/geodata"
-	P "github.com/metacubex/mihomo/component/process"
+	"github.com/metacubex/mihomo/component/process"
 	"github.com/metacubex/mihomo/component/resolver"
 	"github.com/metacubex/mihomo/component/sniffer"
 	"github.com/metacubex/mihomo/component/trie"
 	C "github.com/metacubex/mihomo/constant"
-	providerTypes "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	snifferTypes "github.com/metacubex/mihomo/constant/sniffer"
 	"github.com/metacubex/mihomo/dns"
-	L "github.com/metacubex/mihomo/listener"
+	"github.com/metacubex/mihomo/listener"
 	LC "github.com/metacubex/mihomo/listener/config"
 	"github.com/metacubex/mihomo/log"
 	R "github.com/metacubex/mihomo/rules"
@@ -44,27 +44,27 @@ import (
 // General config
 type General struct {
 	Inbound
-	Mode                    T.TunnelMode      `json:"mode"`
+	Mode                    T.TunnelMode            `json:"mode"`
-	UnifiedDelay            bool              `json:"unified-delay"`
+	UnifiedDelay            bool                    `json:"unified-delay"`
-	LogLevel                log.LogLevel      `json:"log-level"`
+	LogLevel                log.LogLevel            `json:"log-level"`
-	IPv6                    bool              `json:"ipv6"`
+	IPv6                    bool                    `json:"ipv6"`
-	Interface               string            `json:"interface-name"`
+	Interface               string                  `json:"interface-name"`
-	RoutingMark             int               `json:"routing-mark"`
+	RoutingMark             int                     `json:"routing-mark"`
-	GeoXUrl                 GeoXUrl           `json:"geox-url"`
+	GeoXUrl                 GeoXUrl                 `json:"geox-url"`
-	GeoAutoUpdate           bool              `json:"geo-auto-update"`
+	GeoAutoUpdate           bool                    `json:"geo-auto-update"`
-	GeoUpdateInterval       int               `json:"geo-update-interval"`
+	GeoUpdateInterval       int                     `json:"geo-update-interval"`
-	GeodataMode             bool              `json:"geodata-mode"`
+	GeodataMode             bool                    `json:"geodata-mode"`
-	GeodataLoader           string            `json:"geodata-loader"`
+	GeodataLoader           string                  `json:"geodata-loader"`
-	GeositeMatcher          string            `json:"geosite-matcher"`
+	GeositeMatcher          string                  `json:"geosite-matcher"`
-	TCPConcurrent           bool              `json:"tcp-concurrent"`
+	TCPConcurrent           bool                    `json:"tcp-concurrent"`
-	FindProcessMode         P.FindProcessMode `json:"find-process-mode"`
+	FindProcessMode         process.FindProcessMode `json:"find-process-mode"`
-	Sniffing                bool              `json:"sniffing"`
+	Sniffing                bool                    `json:"sniffing"`
-	GlobalClientFingerprint string            `json:"global-client-fingerprint"`
+	GlobalClientFingerprint string                  `json:"global-client-fingerprint"`
-	GlobalUA                string            `json:"global-ua"`
+	GlobalUA                string                  `json:"global-ua"`
-	ETagSupport             bool              `json:"etag-support"`
+	ETagSupport             bool                    `json:"etag-support"`
-	KeepAliveIdle           int               `json:"keep-alive-idle"`
+	KeepAliveIdle           int                     `json:"keep-alive-idle"`
-	KeepAliveInterval       int               `json:"keep-alive-interval"`
+	KeepAliveInterval       int                     `json:"keep-alive-interval"`
-	DisableKeepAlive        bool              `json:"disable-keep-alive"`
+	DisableKeepAlive        bool                    `json:"disable-keep-alive"`
 }
 
 // Inbound config
@@ -146,6 +146,7 @@ type DNS struct {
 	PreferH3              bool
 	IPv6                  bool
 	IPv6Timeout           uint
+	UseHosts              bool
 	UseSystemHosts        bool
 	NameServer            []dns.NameServer
 	Fallback              []dns.NameServer
@@ -156,8 +157,12 @@ type DNS struct {
 	DefaultNameserver     []dns.NameServer
 	CacheAlgorithm        string
 	CacheMaxSize          int
-	FakeIPRange           *fakeip.Pool
+	FakeIPRange           netip.Prefix
-	Hosts                 *trie.DomainTrie[resolver.HostValue]
+	FakeIPPool            *fakeip.Pool
+	FakeIPRange6          netip.Prefix
+	FakeIPPool6           *fakeip.Pool
+	FakeIPSkipper         *fakeip.Skipper
+	FakeIPTTL             int
 	NameServerPolicy      []dns.Policy
 	ProxyServerNameserver []dns.NameServer
 	DirectNameServer      []dns.NameServer
@@ -195,8 +200,8 @@ type Config struct {
 	Users         []auth.AuthUser
 	Proxies       map[string]C.Proxy
 	Listeners     map[string]C.InboundListener
-	Providers     map[string]providerTypes.ProxyProvider
+	Providers     map[string]P.ProxyProvider
-	RuleProviders map[string]providerTypes.RuleProvider
+	RuleProviders map[string]P.RuleProvider
 	Tunnels       []LC.Tunnel
 	Sniffer       *sniffer.Config
 	TLS           *TLS
@@ -221,8 +226,10 @@ type RawDNS struct {
 	Listen                       string                              `yaml:"listen" json:"listen"`
 	EnhancedMode                 C.DNSMode                           `yaml:"enhanced-mode" json:"enhanced-mode"`
 	FakeIPRange                  string                              `yaml:"fake-ip-range" json:"fake-ip-range"`
+	FakeIPRange6                 string                              `yaml:"fake-ip-range6" json:"fake-ip-range6"`
 	FakeIPFilter                 []string                            `yaml:"fake-ip-filter" json:"fake-ip-filter"`
 	FakeIPFilterMode             C.FilterMode                        `yaml:"fake-ip-filter-mode" json:"fake-ip-filter-mode"`
+	FakeIPTTL                    int                                 `yaml:"fake-ip-ttl" json:"fake-ip-ttl"`
 	DefaultNameserver            []string                            `yaml:"default-nameserver" json:"default-nameserver"`
 	CacheAlgorithm               string                              `yaml:"cache-algorithm" json:"cache-algorithm"`
 	CacheMaxSize                 int                                 `yaml:"cache-max-size" json:"cache-max-size"`
@@ -377,51 +384,51 @@ type RawTLS struct {
 }
 
 type RawConfig struct {
-	Port                    int               `yaml:"port" json:"port"`
+	Port                    int                     `yaml:"port" json:"port"`
-	SocksPort               int               `yaml:"socks-port" json:"socks-port"`
+	SocksPort               int                     `yaml:"socks-port" json:"socks-port"`
-	RedirPort               int               `yaml:"redir-port" json:"redir-port"`
+	RedirPort               int                     `yaml:"redir-port" json:"redir-port"`
-	TProxyPort              int               `yaml:"tproxy-port" json:"tproxy-port"`
+	TProxyPort              int                     `yaml:"tproxy-port" json:"tproxy-port"`
-	MixedPort               int               `yaml:"mixed-port" json:"mixed-port"`
+	MixedPort               int                     `yaml:"mixed-port" json:"mixed-port"`
-	ShadowSocksConfig       string            `yaml:"ss-config" json:"ss-config"`
+	ShadowSocksConfig       string                  `yaml:"ss-config" json:"ss-config"`
-	VmessConfig             string            `yaml:"vmess-config" json:"vmess-config"`
+	VmessConfig             string                  `yaml:"vmess-config" json:"vmess-config"`
-	InboundTfo              bool              `yaml:"inbound-tfo" json:"inbound-tfo"`
+	InboundTfo              bool                    `yaml:"inbound-tfo" json:"inbound-tfo"`
-	InboundMPTCP            bool              `yaml:"inbound-mptcp" json:"inbound-mptcp"`
+	InboundMPTCP            bool                    `yaml:"inbound-mptcp" json:"inbound-mptcp"`
-	Authentication          []string          `yaml:"authentication" json:"authentication"`
+	Authentication          []string                `yaml:"authentication" json:"authentication"`
-	SkipAuthPrefixes        []netip.Prefix    `yaml:"skip-auth-prefixes" json:"skip-auth-prefixes"`
+	SkipAuthPrefixes        []netip.Prefix          `yaml:"skip-auth-prefixes" json:"skip-auth-prefixes"`
-	LanAllowedIPs           []netip.Prefix    `yaml:"lan-allowed-ips" json:"lan-allowed-ips"`
+	LanAllowedIPs           []netip.Prefix          `yaml:"lan-allowed-ips" json:"lan-allowed-ips"`
-	LanDisAllowedIPs        []netip.Prefix    `yaml:"lan-disallowed-ips" json:"lan-disallowed-ips"`
+	LanDisAllowedIPs        []netip.Prefix          `yaml:"lan-disallowed-ips" json:"lan-disallowed-ips"`
-	AllowLan                bool              `yaml:"allow-lan" json:"allow-lan"`
+	AllowLan                bool                    `yaml:"allow-lan" json:"allow-lan"`
-	BindAddress             string            `yaml:"bind-address" json:"bind-address"`
+	BindAddress             string                  `yaml:"bind-address" json:"bind-address"`
-	Mode                    T.TunnelMode      `yaml:"mode" json:"mode"`
+	Mode                    T.TunnelMode            `yaml:"mode" json:"mode"`
-	UnifiedDelay            bool              `yaml:"unified-delay" json:"unified-delay"`
+	UnifiedDelay            bool                    `yaml:"unified-delay" json:"unified-delay"`
-	LogLevel                log.LogLevel      `yaml:"log-level" json:"log-level"`
+	LogLevel                log.LogLevel            `yaml:"log-level" json:"log-level"`
-	IPv6                    bool              `yaml:"ipv6" json:"ipv6"`
+	IPv6                    bool                    `yaml:"ipv6" json:"ipv6"`
-	ExternalController      string            `yaml:"external-controller" json:"external-controller"`
+	ExternalController      string                  `yaml:"external-controller" json:"external-controller"`
-	ExternalControllerPipe  string            `yaml:"external-controller-pipe" json:"external-controller-pipe"`
+	ExternalControllerPipe  string                  `yaml:"external-controller-pipe" json:"external-controller-pipe"`
-	ExternalControllerUnix  string            `yaml:"external-controller-unix" json:"external-controller-unix"`
+	ExternalControllerUnix  string                  `yaml:"external-controller-unix" json:"external-controller-unix"`
-	ExternalControllerTLS   string            `yaml:"external-controller-tls" json:"external-controller-tls"`
+	ExternalControllerTLS   string                  `yaml:"external-controller-tls" json:"external-controller-tls"`
-	ExternalControllerCors  RawCors           `yaml:"external-controller-cors" json:"external-controller-cors"`
+	ExternalControllerCors  RawCors                 `yaml:"external-controller-cors" json:"external-controller-cors"`
-	ExternalUI              string            `yaml:"external-ui" json:"external-ui"`
+	ExternalUI              string                  `yaml:"external-ui" json:"external-ui"`
-	ExternalUIURL           string            `yaml:"external-ui-url" json:"external-ui-url"`
+	ExternalUIURL           string                  `yaml:"external-ui-url" json:"external-ui-url"`
-	ExternalUIName          string            `yaml:"external-ui-name" json:"external-ui-name"`
+	ExternalUIName          string                  `yaml:"external-ui-name" json:"external-ui-name"`
-	ExternalDohServer       string            `yaml:"external-doh-server" json:"external-doh-server"`
+	ExternalDohServer       string                  `yaml:"external-doh-server" json:"external-doh-server"`
-	Secret                  string            `yaml:"secret" json:"secret"`
+	Secret                  string                  `yaml:"secret" json:"secret"`
-	Interface               string            `yaml:"interface-name" json:"interface-name"`
+	Interface               string                  `yaml:"interface-name" json:"interface-name"`
-	RoutingMark             int               `yaml:"routing-mark" json:"routing-mark"`
+	RoutingMark             int                     `yaml:"routing-mark" json:"routing-mark"`
-	Tunnels                 []LC.Tunnel       `yaml:"tunnels" json:"tunnels"`
+	Tunnels                 []LC.Tunnel             `yaml:"tunnels" json:"tunnels"`
-	GeoAutoUpdate           bool              `yaml:"geo-auto-update" json:"geo-auto-update"`
+	GeoAutoUpdate           bool                    `yaml:"geo-auto-update" json:"geo-auto-update"`
-	GeoUpdateInterval       int               `yaml:"geo-update-interval" json:"geo-update-interval"`
+	GeoUpdateInterval       int                     `yaml:"geo-update-interval" json:"geo-update-interval"`
-	GeodataMode             bool              `yaml:"geodata-mode" json:"geodata-mode"`
+	GeodataMode             bool                    `yaml:"geodata-mode" json:"geodata-mode"`
-	GeodataLoader           string            `yaml:"geodata-loader" json:"geodata-loader"`
+	GeodataLoader           string                  `yaml:"geodata-loader" json:"geodata-loader"`
-	GeositeMatcher          string            `yaml:"geosite-matcher" json:"geosite-matcher"`
+	GeositeMatcher          string                  `yaml:"geosite-matcher" json:"geosite-matcher"`
-	TCPConcurrent           bool              `yaml:"tcp-concurrent" json:"tcp-concurrent"`
+	TCPConcurrent           bool                    `yaml:"tcp-concurrent" json:"tcp-concurrent"`
-	FindProcessMode         P.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
+	FindProcessMode         process.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
-	GlobalClientFingerprint string            `yaml:"global-client-fingerprint" json:"global-client-fingerprint"`
+	GlobalClientFingerprint string                  `yaml:"global-client-fingerprint" json:"global-client-fingerprint"`
-	GlobalUA                string            `yaml:"global-ua" json:"global-ua"`
+	GlobalUA                string                  `yaml:"global-ua" json:"global-ua"`
-	ETagSupport             bool              `yaml:"etag-support" json:"etag-support"`
+	ETagSupport             bool                    `yaml:"etag-support" json:"etag-support"`
-	KeepAliveIdle           int               `yaml:"keep-alive-idle" json:"keep-alive-idle"`
+	KeepAliveIdle           int                     `yaml:"keep-alive-idle" json:"keep-alive-idle"`
-	KeepAliveInterval       int               `yaml:"keep-alive-interval" json:"keep-alive-interval"`
+	KeepAliveInterval       int                     `yaml:"keep-alive-interval" json:"keep-alive-interval"`
-	DisableKeepAlive        bool              `yaml:"disable-keep-alive" json:"disable-keep-alive"`
+	DisableKeepAlive        bool                    `yaml:"disable-keep-alive" json:"disable-keep-alive"`
 
 	ProxyProvider map[string]map[string]any `yaml:"proxy-providers" json:"proxy-providers"`
 	RuleProvider  map[string]map[string]any `yaml:"rule-providers" json:"rule-providers"`
@@ -474,7 +481,7 @@ func DefaultRawConfig() *RawConfig {
 		Proxy:             []map[string]any{},
 		ProxyGroup:        []map[string]any{},
 		TCPConcurrent:     false,
-		FindProcessMode:   P.FindProcessStrict,
+		FindProcessMode:   process.FindProcessStrict,
 		GlobalUA:          "clash.meta/" + C.Version,
 		ETagSupport:       true,
 		DNS: RawDNS{
@@ -485,6 +492,7 @@ func DefaultRawConfig() *RawConfig {
 			IPv6Timeout:    100,
 			EnhancedMode:   C.DNSMapping,
 			FakeIPRange:    "198.18.0.1/16",
+			FakeIPTTL:      1,
 			FallbackFilter: RawFallbackFilter{
 				GeoIP:     true,
 				GeoIPCode: "CN",
@@ -648,11 +656,11 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	config.Proxies = proxies
 	config.Providers = providers
 
-	listener, err := parseListeners(rawCfg)
+	listeners, err := parseListeners(rawCfg)
 	if err != nil {
 		return nil, err
 	}
-	config.Listeners = listener
+	config.Listeners = listeners
 
 	log.Infoln("Geodata Loader mode: %s", geodata.LoaderName())
 	log.Infoln("Geosite Matcher implementation: %s", geodata.SiteMatcherName())
@@ -680,13 +688,15 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	}
 	config.Hosts = hosts
 
-	dnsCfg, err := parseDNS(rawCfg, hosts, ruleProviders)
+	parseIPV6(rawCfg) // must before DNS and Tun
+
+	dnsCfg, err := parseDNS(rawCfg, ruleProviders)
 	if err != nil {
 		return nil, err
 	}
 	config.DNS = dnsCfg
 
-	err = parseTun(rawCfg.Tun, config.General)
+	err = parseTun(rawCfg.Tun, dnsCfg, config.General)
 	if err != nil {
 		return nil, err
 	}
@@ -838,9 +848,9 @@ func parseTLS(cfg *RawConfig) (*TLS, error) {
 	}, nil
 }
 
-func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[string]providerTypes.ProxyProvider, err error) {
+func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[string]P.ProxyProvider, err error) {
 	proxies = make(map[string]C.Proxy)
-	providersMap = make(map[string]providerTypes.ProxyProvider)
+	providersMap = make(map[string]P.ProxyProvider)
 	proxiesConfig := cfg.Proxy
 	groupsConfig := cfg.ProxyGroup
 	providersConfig := cfg.ProxyProvider
@@ -940,7 +950,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 			&outboundgroup.GroupCommonOption{
 				Name: "GLOBAL",
 			},
-			[]providerTypes.ProxyProvider{pd},
+			[]P.ProxyProvider{pd},
 		)
 		proxies["GLOBAL"] = adapter.NewProxy(global)
 	}
@@ -950,24 +960,25 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 func parseListeners(cfg *RawConfig) (listeners map[string]C.InboundListener, err error) {
 	listeners = make(map[string]C.InboundListener)
 	for index, mapping := range cfg.Listeners {
-		listener, err := L.ParseListener(mapping)
+		inboundListener, err := listener.ParseListener(mapping)
 		if err != nil {
 			return nil, fmt.Errorf("proxy %d: %w", index, err)
 		}
 
-		if _, exist := mapping[listener.Name()]; exist {
+		name := inboundListener.Name()
-			return nil, fmt.Errorf("listener %s is the duplicate name", listener.Name())
+		if _, exist := mapping[name]; exist {
+			return nil, fmt.Errorf("listener %s is the duplicate name", name)
 		}
 
-		listeners[listener.Name()] = listener
+		listeners[name] = inboundListener
 
 	}
 	return
 }
 
-func parseRuleProviders(cfg *RawConfig) (ruleProviders map[string]providerTypes.RuleProvider, err error) {
+func parseRuleProviders(cfg *RawConfig) (ruleProviders map[string]P.RuleProvider, err error) {
 	RP.SetTunnel(T.Tunnel)
-	ruleProviders = map[string]providerTypes.RuleProvider{}
+	ruleProviders = map[string]P.RuleProvider{}
 	// parse rule provider
 	for name, mapping := range cfg.RuleProvider {
 		rp, err := RP.ParseRuleProvider(name, mapping, R.ParseRule)
@@ -980,7 +991,7 @@ func parseRuleProviders(cfg *RawConfig) (ruleProviders map[string]providerTypes.
 	return
 }
 
-func parseSubRules(cfg *RawConfig, proxies map[string]C.Proxy, ruleProviders map[string]providerTypes.RuleProvider) (subRules map[string][]C.Rule, err error) {
+func parseSubRules(cfg *RawConfig, proxies map[string]C.Proxy, ruleProviders map[string]P.RuleProvider) (subRules map[string][]C.Rule, err error) {
 	subRules = map[string][]C.Rule{}
 	for name := range cfg.SubRules {
 		subRules[name] = make([]C.Rule, 0)
@@ -1043,7 +1054,7 @@ func verifySubRuleCircularReferences(n string, subRules map[string][]C.Rule, arr
 	return nil
 }
 
-func parseRules(rulesConfig []string, proxies map[string]C.Proxy, ruleProviders map[string]providerTypes.RuleProvider, subRules map[string][]C.Rule, format string) ([]C.Rule, error) {
+func parseRules(rulesConfig []string, proxies map[string]C.Proxy, ruleProviders map[string]P.RuleProvider, subRules map[string][]C.Rule, format string) ([]C.Rule, error) {
 	var rules []C.Rule
 
 	// parse rules
@@ -1266,7 +1277,7 @@ func parsePureDNSServer(server string) string {
 	}
 }
 
-func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], ruleProviders map[string]providerTypes.RuleProvider, respectRules bool, preferH3 bool) ([]dns.Policy, error) {
+func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], ruleProviders map[string]P.RuleProvider, respectRules bool, preferH3 bool) ([]dns.Policy, error) {
 	var policy []dns.Policy
 
 	for pair := nsPolicy.Oldest(); pair != nil; pair = pair.Next() {
@@ -1281,7 +1292,7 @@ func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rulePro
 		}
 		kLower := strings.ToLower(k)
 		if strings.Contains(kLower, ",") {
-			if strings.Contains(kLower, "geosite:") {
+			if strings.HasPrefix(kLower, "geosite:") {
 				subkeys := strings.Split(k, ":")
 				subkeys = subkeys[1:]
 				subkeys = strings.Split(subkeys[0], ",")
@@ -1289,7 +1300,7 @@ func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rulePro
 					newKey := "geosite:" + subkey
 					policy = append(policy, dns.Policy{Domain: newKey, NameServers: nameservers})
 				}
-			} else if strings.Contains(kLower, "rule-set:") {
+			} else if strings.HasPrefix(kLower, "rule-set:") {
 				subkeys := strings.Split(k, ":")
 				subkeys = subkeys[1:]
 				subkeys = strings.Split(subkeys[0], ",")
@@ -1304,9 +1315,9 @@ func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rulePro
 				}
 			}
 		} else {
-			if strings.Contains(kLower, "geosite:") {
+			if strings.HasPrefix(kLower, "geosite:") {
 				policy = append(policy, dns.Policy{Domain: "geosite:" + k[8:], NameServers: nameservers})
-			} else if strings.Contains(kLower, "rule-set:") {
+			} else if strings.HasPrefix(kLower, "rule-set:") {
 				policy = append(policy, dns.Policy{Domain: "rule-set:" + k[9:], NameServers: nameservers})
 			} else {
 				policy = append(policy, dns.Policy{Domain: k, NameServers: nameservers})
@@ -1341,7 +1352,7 @@ func parseNameServerPolicy(nsPolicy *orderedmap.OrderedMap[string, any], rulePro
 	return policy, nil
 }
 
-func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], ruleProviders map[string]providerTypes.RuleProvider) (*DNS, error) {
+func parseDNS(rawCfg *RawConfig, ruleProviders map[string]P.RuleProvider) (*DNS, error) {
 	cfg := rawCfg.DNS
 	if cfg.Enable && len(cfg.NameServer) == 0 {
 		return nil, fmt.Errorf("if DNS configuration is turned on, NameServer cannot be empty")
@@ -1357,6 +1368,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		PreferH3:       cfg.PreferH3,
 		IPv6Timeout:    cfg.IPv6Timeout,
 		IPv6:           cfg.IPv6,
+		UseHosts:       cfg.UseHosts,
 		UseSystemHosts: cfg.UseSystemHosts,
 		EnhancedMode:   cfg.EnhancedMode,
 		CacheAlgorithm: cfg.CacheAlgorithm,
@@ -1406,13 +1418,27 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		}
 	}
 
-	fakeIPRange, err := netip.ParsePrefix(cfg.FakeIPRange)
+	if cfg.FakeIPRange != "" {
-	T.SetFakeIPRange(fakeIPRange)
+		dnsCfg.FakeIPRange, err = netip.ParsePrefix(cfg.FakeIPRange)
-	if cfg.EnhancedMode == C.DNSFakeIP {
 		if err != nil {
 			return nil, err
 		}
+		if !dnsCfg.FakeIPRange.Addr().Is4() {
+			return nil, errors.New("dns.fake-ip-range must be a IPv4 prefix")
+		}
+	}
 
+	if cfg.FakeIPRange6 != "" {
+		dnsCfg.FakeIPRange6, err = netip.ParsePrefix(cfg.FakeIPRange6)
+		if err != nil {
+			return nil, err
+		}
+		if !dnsCfg.FakeIPRange6.Addr().Is6() {
+			return nil, errors.New("dns.fake-ip-range6 must be a IPv6 prefix")
+		}
+	}
+
+	if cfg.EnhancedMode == C.DNSFakeIP {
 		var fakeIPTrie *trie.DomainTrie[struct{}]
 		if len(dnsCfg.Fallback) != 0 {
 			fakeIPTrie = trie.New[struct{}]()
@@ -1424,24 +1450,52 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 			}
 		}
 
-		// fake ip skip host filter
+		skipper := &fakeip.Skipper{Mode: cfg.FakeIPFilterMode}
-		host, err := parseDomain(cfg.FakeIPFilter, fakeIPTrie, "dns.fake-ip-filter", ruleProviders)
+
-		if err != nil {
+		if cfg.FakeIPFilterMode == C.FilterRule {
-			return nil, err
+			rules, err := parseFakeIPRules(cfg.FakeIPFilter, ruleProviders)
+			if err != nil {
+				return nil, err
+			}
+			skipper.Rules = rules
+		} else {
+			host, err := parseDomain(cfg.FakeIPFilter, fakeIPTrie, "dns.fake-ip-filter", ruleProviders)
+			if err != nil {
+				return nil, err
+			}
+			skipper.Host = host
 		}
 
-		pool, err := fakeip.New(fakeip.Options{
+		dnsCfg.FakeIPSkipper = skipper
-			IPNet:       fakeIPRange,
+		dnsCfg.FakeIPTTL = cfg.FakeIPTTL
-			Size:        1000,
+
-			Host:        host,
+		if dnsCfg.FakeIPRange.IsValid() {
-			Mode:        cfg.FakeIPFilterMode,
+			pool, err := fakeip.New(fakeip.Options{
-			Persistence: rawCfg.Profile.StoreFakeIP,
+				IPNet:       dnsCfg.FakeIPRange,
-		})
+				Size:        1000,
-		if err != nil {
+				Persistence: rawCfg.Profile.StoreFakeIP,
-			return nil, err
+			})
+			if err != nil {
+				return nil, err
+			}
+			dnsCfg.FakeIPPool = pool
 		}
 
-		dnsCfg.FakeIPRange = pool
+		if dnsCfg.FakeIPRange6.IsValid() {
+			pool6, err := fakeip.New(fakeip.Options{
+				IPNet:       dnsCfg.FakeIPRange6,
+				Size:        1000,
+				Persistence: rawCfg.Profile.StoreFakeIP,
+			})
+			if err != nil {
+				return nil, err
+			}
+			dnsCfg.FakeIPPool6 = pool6
+		}
+
+		if dnsCfg.FakeIPPool == nil && dnsCfg.FakeIPPool6 == nil {
+			return nil, errors.New("disallow `fake-ip-range` and `fake-ip-range6` both empty with fake-ip mode")
+		}
 	}
 
 	if len(cfg.Fallback) != 0 {
@@ -1490,11 +1544,56 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rul
 		}
 	}
 
-	if cfg.UseHosts {
+	return dnsCfg, nil
-		dnsCfg.Hosts = hosts
+}
+
+func parseFakeIPRules(rawRules []string, ruleProviders map[string]P.RuleProvider) ([]C.Rule, error) {
+	var rules []C.Rule
+
+	for idx, line := range rawRules {
+		tp, payload, action, params := RC.ParseRulePayload(line, true)
+
+		action = strings.ToLower(action)
+		if action != fakeip.UseFakeIP && action != fakeip.UseRealIP {
+			return nil, fmt.Errorf("dns.fake-ip-filter[%d] [%s] error: invalid action '%s', must be 'fake-ip' or 'real-ip'", idx, line, action)
+		}
+
+		if tp == "RULE-SET" {
+			if rp, ok := ruleProviders[payload]; !ok {
+				return nil, fmt.Errorf("dns.fake-ip-filter[%d] [%s] error: rule-set '%s' not found", idx, line, payload)
+			} else {
+				switch rp.Behavior() {
+				case P.IPCIDR:
+					return nil, fmt.Errorf("dns.fake-ip-filter[%d] [%s] error: rule-set behavior is %s, must be domain or classical", idx, line, rp.Behavior())
+				case P.Classical:
+					log.Warnln("%s provider is %s, only matching domain rules in fake-ip-filter", rp.Name(), rp.Behavior())
+				default:
+				}
+			}
+		}
+
+		parsed, err := R.ParseRule(tp, payload, action, params, nil)
+		if err != nil {
+			return nil, fmt.Errorf("dns.fake-ip-filter[%d] [%s] error: %w", idx, line, err)
+		}
+
+		if !isDomainRule(parsed.RuleType()) && parsed.RuleType() != C.MATCH {
+			return nil, fmt.Errorf("dns.fake-ip-filter[%d] [%s] error: rule type '%s' not supported, only domain-based rules allowed", idx, line, tp)
+		}
+
+		rules = append(rules, parsed)
 	}
 
-	return dnsCfg, nil
+	return rules, nil
+}
+
+func isDomainRule(rt C.RuleType) bool {
+	switch rt {
+	case C.Domain, C.DomainSuffix, C.DomainKeyword, C.DomainRegex, C.DomainWildcard, C.GEOSITE, C.RuleSet:
+		return true
+	default:
+		return false
+	}
 }
 
 func parseAuthentication(rawRecords []string) []auth.AuthUser {
@@ -1507,17 +1606,20 @@ func parseAuthentication(rawRecords []string) []auth.AuthUser {
 	return users
 }
 
-func parseTun(rawTun RawTun, general *General) error {
+func parseIPV6(rawCfg *RawConfig) {
-	tunAddressPrefix := T.FakeIPRange()
+	if !rawCfg.IPv6 || !verifyIP6() {
+		rawCfg.DNS.FakeIPRange6 = ""
+		rawCfg.Tun.Inet6Address = nil
+	}
+}
+
+func parseTun(rawTun RawTun, dns *DNS, general *General) error {
+	tunAddressPrefix := dns.FakeIPRange
 	if !tunAddressPrefix.IsValid() {
 		tunAddressPrefix = netip.MustParsePrefix("198.18.0.1/16")
 	}
 	tunAddressPrefix = netip.PrefixFrom(tunAddressPrefix.Addr(), 30)
 
-	if !general.IPv6 || !verifyIP6() {
-		rawTun.Inet6Address = nil
-	}
-
 	general.Tun = LC.Tun{
 		Enable:              rawTun.Enable,
 		Device:              rawTun.Device,
@@ -1590,7 +1692,7 @@ func parseTuicServer(rawTuic RawTuicServer, general *General) error {
 	return nil
 }
 
-func parseSniffer(snifferRaw RawSniffer, ruleProviders map[string]providerTypes.RuleProvider) (*sniffer.Config, error) {
+func parseSniffer(snifferRaw RawSniffer, ruleProviders map[string]P.RuleProvider) (*sniffer.Config, error) {
 	snifferConfig := &sniffer.Config{
 		Enable:          snifferRaw.Enable,
 		ForceDnsMapping: snifferRaw.ForceDnsMapping,
@@ -1665,7 +1767,7 @@ func parseSniffer(snifferRaw RawSniffer, ruleProviders map[string]providerTypes.
 	}
 	snifferConfig.SkipSrcAddress = skipSrcAddress
 
-	skipDstAddress, err := parseIPCIDR(snifferRaw.SkipDstAddress, nil, "sniffer.skip-src-address", ruleProviders)
+	skipDstAddress, err := parseIPCIDR(snifferRaw.SkipDstAddress, nil, "sniffer.skip-dst-address", ruleProviders)
 	if err != nil {
 		return nil, fmt.Errorf("error in skip-dst-address, error:%w", err)
 	}
@@ -1680,11 +1782,11 @@ func parseSniffer(snifferRaw RawSniffer, ruleProviders map[string]providerTypes.
 	return snifferConfig, nil
 }
 
-func parseIPCIDR(addresses []string, cidrSet *cidr.IpCidrSet, adapterName string, ruleProviders map[string]providerTypes.RuleProvider) (matchers []C.IpMatcher, err error) {
+func parseIPCIDR(addresses []string, cidrSet *cidr.IpCidrSet, adapterName string, ruleProviders map[string]P.RuleProvider) (matchers []C.IpMatcher, err error) {
 	var matcher C.IpMatcher
 	for _, ipcidr := range addresses {
 		ipcidrLower := strings.ToLower(ipcidr)
-		if strings.Contains(ipcidrLower, "geoip:") {
+		if strings.HasPrefix(ipcidrLower, "geoip:") {
 			subkeys := strings.Split(ipcidr, ":")
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
@@ -1695,7 +1797,7 @@ func parseIPCIDR(addresses []string, cidrSet *cidr.IpCidrSet, adapterName string
 				}
 				matchers = append(matchers, matcher)
 			}
-		} else if strings.Contains(ipcidrLower, "rule-set:") {
+		} else if strings.HasPrefix(ipcidrLower, "rule-set:") {
 			subkeys := strings.Split(ipcidr, ":")
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
@@ -1727,11 +1829,11 @@ func parseIPCIDR(addresses []string, cidrSet *cidr.IpCidrSet, adapterName string
 	return
 }
 
-func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], adapterName string, ruleProviders map[string]providerTypes.RuleProvider) (matchers []C.DomainMatcher, err error) {
+func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], adapterName string, ruleProviders map[string]P.RuleProvider) (matchers []C.DomainMatcher, err error) {
 	var matcher C.DomainMatcher
 	for _, domain := range domains {
 		domainLower := strings.ToLower(domain)
-		if strings.Contains(domainLower, "geosite:") {
+		if strings.HasPrefix(domainLower, "geosite:") {
 			subkeys := strings.Split(domain, ":")
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
@@ -1742,7 +1844,7 @@ func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], adapte
 				}
 				matchers = append(matchers, matcher)
 			}
-		} else if strings.Contains(domainLower, "rule-set:") {
+		} else if strings.HasPrefix(domainLower, "rule-set:") {
 			subkeys := strings.Split(domain, ":")
 			subkeys = subkeys[1:]
 			subkeys = strings.Split(subkeys[0], ",")
@@ -1770,14 +1872,14 @@ func parseDomain(domains []string, domainTrie *trie.DomainTrie[struct{}], adapte
 	return
 }
 
-func parseIPRuleSet(domainSetName string, adapterName string, ruleProviders map[string]providerTypes.RuleProvider) (C.IpMatcher, error) {
+func parseIPRuleSet(domainSetName string, adapterName string, ruleProviders map[string]P.RuleProvider) (C.IpMatcher, error) {
 	if rp, ok := ruleProviders[domainSetName]; !ok {
 		return nil, fmt.Errorf("not found rule-set: %s", domainSetName)
 	} else {
 		switch rp.Behavior() {
-		case providerTypes.Domain:
+		case P.Domain:
 			return nil, fmt.Errorf("rule provider type error, except ipcidr,actual %s", rp.Behavior())
-		case providerTypes.Classical:
+		case P.Classical:
 			log.Warnln("%s provider is %s, only matching it contain ip rule", rp.Name(), rp.Behavior())
 		default:
 		}
@@ -1785,14 +1887,14 @@ func parseIPRuleSet(domainSetName string, adapterName string, ruleProviders map[
 	return RP.NewRuleSet(domainSetName, adapterName, false, true)
 }
 
-func parseDomainRuleSet(domainSetName string, adapterName string, ruleProviders map[string]providerTypes.RuleProvider) (C.DomainMatcher, error) {
+func parseDomainRuleSet(domainSetName string, adapterName string, ruleProviders map[string]P.RuleProvider) (C.DomainMatcher, error) {
 	if rp, ok := ruleProviders[domainSetName]; !ok {
 		return nil, fmt.Errorf("not found rule-set: %s", domainSetName)
 	} else {
 		switch rp.Behavior() {
-		case providerTypes.IPCIDR:
+		case P.IPCIDR:
 			return nil, fmt.Errorf("rule provider type error, except domain,actual %s", rp.Behavior())
-		case providerTypes.Classical:
+		case P.Classical:
 			log.Warnln("%s provider is %s, only matching it contain domain rule", rp.Name(), rp.Behavior())
 		default:
 		}

config/utils.go

@@ -155,6 +155,10 @@ func verifyIP6() bool {
 				}
 			}
 		}
+	} else {
+		// eg: Calling net.InterfaceAddrs() fails on Android SDK 30
+		// https://github.com/golang/go/issues/40569
+		return true // just ignore
 	}
 	return false
 }

constant/adapters.go

@@ -44,6 +44,7 @@ const (
 	Ssh
 	Mieru
 	AnyTLS
+	Sudoku
 )
 
 const (
@@ -58,6 +59,7 @@ var ErrNotSupport = errors.New("no support")
 
 type Connection interface {
 	Chains() Chain
+	ProviderChains() Chain
 	AppendToChains(adapter ProxyAdapter)
 	RemoteDestination() string
 }
@@ -101,13 +103,14 @@ type Dialer interface {
 }
 
 type ProxyInfo struct {
-	XUDP        bool
+	XUDP         bool
-	TFO         bool
+	TFO          bool
-	MPTCP       bool
+	MPTCP        bool
-	SMUX        bool
+	SMUX         bool
-	Interface   string
+	Interface    string
-	RoutingMark int
+	RoutingMark  int
-	DialerProxy string
+	ProviderName string
+	DialerProxy  string
 }
 
 type ProxyAdapter interface {
@@ -120,17 +123,6 @@ type ProxyAdapter interface {
 	ProxyInfo() ProxyInfo
 	MarshalJSON() ([]byte, error)
 
-	// Deprecated: use DialContextWithDialer and ListenPacketWithDialer instead.
-	// StreamConn wraps a protocol around net.Conn with Metadata.
-	//
-	// Examples:
-	//	conn, _ := net.DialContext(context.Background(), "tcp", "host:port")
-	//	conn, _ = adapter.StreamConnContext(context.Background(), conn, metadata)
-	//
-	// It returns a C.Conn with protocol which start with
-	// a new session (if any)
-	StreamConnContext(ctx context.Context, c net.Conn, metadata *Metadata) (net.Conn, error)
-
 	// DialContext return a C.Conn with protocol which
 	// contains multiplexing-related reuse logic (if any)
 	DialContext(ctx context.Context, metadata *Metadata) (Conn, error)
@@ -139,10 +131,6 @@ type ProxyAdapter interface {
 	// SupportUOT return UDP over TCP support
 	SupportUOT() bool
 
-	SupportWithDialer() NetWork
-	DialContextWithDialer(ctx context.Context, dialer Dialer, metadata *Metadata) (Conn, error)
-	ListenPacketWithDialer(ctx context.Context, dialer Dialer, metadata *Metadata) (PacketConn, error)
-
 	// IsL3Protocol return ProxyAdapter working in L3 (tell dns module not pass the domain to avoid loopback)
 	IsL3Protocol(metadata *Metadata) bool
 
@@ -153,11 +141,6 @@ type ProxyAdapter interface {
 	Close() error
 }
 
-type Group interface {
-	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (mp map[string]uint16, err error)
-	Touch()
-}
-
 type DelayHistory struct {
 	Time  time.Time `json:"time"`
 	Delay uint16    `json:"delay"`
@@ -178,12 +161,6 @@ type Proxy interface {
 	ExtraDelayHistories() map[string]ProxyState
 	LastDelayForTestUrl(url string) uint16
 	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (uint16, error)
-
-	// Deprecated: use DialContext instead.
-	Dial(metadata *Metadata) (Conn, error)
-
-	// Deprecated: use DialPacketConn instead.
-	DialUDP(metadata *Metadata) (PacketConn, error)
 }
 
 // AdapterType is enum of adapter type
@@ -233,6 +210,8 @@ func (at AdapterType) String() string {
 		return "Mieru"
 	case AnyTLS:
 		return "AnyTLS"
+	case Sudoku:
+		return "Sudoku"
 	case Relay:
 		return "Relay"
 	case Selector:
@@ -295,6 +274,10 @@ func (s *packetAdapter) Key() string {
 	return s.key
 }
 
+func (s *packetAdapter) Upstream() any {
+	return s.UDPPacket
+}
+
 func NewPacketAdapter(packet UDPPacket, metadata *Metadata) PacketAdapter {
 	return &packetAdapter{
 		packet,