fix: correct typo in ProxyGroup health check log message (#2575)

https://github.com/MetaCubeX/mihomo/issues/2558

.github/patch/go1.25.patch

@@ -1,4 +1,6 @@
-Subject: [PATCH] Revert "runtime: always use LoadLibraryEx to load system libraries"
+Subject: [PATCH] Revert "os: remove 5ms sleep on Windows in (*Process).Wait"
+Fix os.RemoveAll not working on Windows7
+Revert "runtime: always use LoadLibraryEx to load system libraries"
 Revert "syscall: remove Windows 7 console handle workaround"
 Revert "net: remove sysSocket fallback for Windows 7"
 Revert "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
@@ -655,3 +657,228 @@ diff --git a/src/syscall/dll_windows.go b/src/syscall/dll_windows.go
  	} else {
  		h, e = loadlibrary(namep)
  	}
+Index: src/os/removeall_at.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_at.go b/src/os/removeall_at.go
+--- a/src/os/removeall_at.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/removeall_at.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build unix || wasip1 || windows
++//go:build unix || wasip1
+ 
+ package os
+ 
+@@ -175,3 +175,25 @@
+ 	}
+ 	return newDirFile(fd, name)
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	// Consistency with os.RemoveAll: Strip trailing /s from the name,
++	// so RemoveAll("not_a_directory/") succeeds.
++	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
++		name = name[:len(name)-1]
++	}
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
++		return struct{}{}, removeAllFrom(parent, name)
++	})
++	if IsNotExist(err) {
++		return nil
++	}
++	if err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return err
++}
+Index: src/os/removeall_noat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/removeall_noat.go b/src/os/removeall_noat.go
+--- a/src/os/removeall_noat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/removeall_noat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -2,7 +2,7 @@
+ // Use of this source code is governed by a BSD-style
+ // license that can be found in the LICENSE file.
+ 
+-//go:build (js && wasm) || plan9
++//go:build (js && wasm) || plan9 || windows
+ 
+ package os
+ 
+@@ -140,3 +140,22 @@
+ 	}
+ 	return err
+ }
++
++func rootRemoveAll(r *Root, name string) error {
++	if endsWithDot(name) {
++		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
++		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
++	}
++	if err := checkPathEscapesLstat(r, name); err != nil {
++		if err == syscall.ENOTDIR {
++			// Some intermediate path component is not a directory.
++			// RemoveAll treats this as success (since the target doesn't exist).
++			return nil
++		}
++		return &PathError{Op: "RemoveAll", Path: name, Err: err}
++	}
++	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
++		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
++	}
++	return nil
++}
+Index: src/os/root_noopenat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_noopenat.go b/src/os/root_noopenat.go
+--- a/src/os/root_noopenat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_noopenat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -11,7 +11,6 @@
+ 	"internal/filepathlite"
+ 	"internal/stringslite"
+ 	"sync/atomic"
+-	"syscall"
+ 	"time"
+ )
+ 
+@@ -185,25 +184,6 @@
+ 	}
+ 	return nil
+ }
+-
+-func rootRemoveAll(r *Root, name string) error {
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	if err := checkPathEscapesLstat(r, name); err != nil {
+-		if err == syscall.ENOTDIR {
+-			// Some intermediate path component is not a directory.
+-			// RemoveAll treats this as success (since the target doesn't exist).
+-			return nil
+-		}
+-		return &PathError{Op: "RemoveAll", Path: name, Err: err}
+-	}
+-	if err := RemoveAll(joinPath(r.root.name, name)); err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return nil
+-}
+ 
+ func rootReadlink(r *Root, name string) (string, error) {
+ 	if err := checkPathEscapesLstat(r, name); err != nil {
+Index: src/os/root_openat.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_openat.go b/src/os/root_openat.go
+--- a/src/os/root_openat.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_openat.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -194,28 +194,6 @@
+ 	return nil
+ }
+ 
+-func rootRemoveAll(r *Root, name string) error {
+-	// Consistency with os.RemoveAll: Strip trailing /s from the name,
+-	// so RemoveAll("not_a_directory/") succeeds.
+-	for len(name) > 0 && IsPathSeparator(name[len(name)-1]) {
+-		name = name[:len(name)-1]
+-	}
+-	if endsWithDot(name) {
+-		// Consistency with os.RemoveAll: Return EINVAL when trying to remove .
+-		return &PathError{Op: "RemoveAll", Path: name, Err: syscall.EINVAL}
+-	}
+-	_, err := doInRoot(r, name, nil, func(parent sysfdType, name string) (struct{}, error) {
+-		return struct{}{}, removeAllFrom(parent, name)
+-	})
+-	if IsNotExist(err) {
+-		return nil
+-	}
+-	if err != nil {
+-		return &PathError{Op: "RemoveAll", Path: name, Err: underlyingError(err)}
+-	}
+-	return err
+-}
+-
+ func rootRename(r *Root, oldname, newname string) error {
+ 	_, err := doInRoot(r, oldname, nil, func(oldparent sysfdType, oldname string) (struct{}, error) {
+ 		_, err := doInRoot(r, newname, nil, func(newparent sysfdType, newname string) (struct{}, error) {
+Index: src/os/root_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/root_windows.go b/src/os/root_windows.go
+--- a/src/os/root_windows.go	(revision f56f1e23507e646c85243a71bde7b9629b2f970c)
++++ b/src/os/root_windows.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
+@@ -402,3 +402,14 @@
+ 	}
+ 	return fi.Mode(), nil
+ }
++
++func checkPathEscapes(r *Root, name string) error {
++	if !filepathlite.IsLocal(name) {
++		return errPathEscapes
++	}
++	return nil
++}
++
++func checkPathEscapesLstat(r *Root, name string) error {
++	return checkPathEscapes(r, name)
++}
+Index: src/os/exec_windows.go
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/os/exec_windows.go b/src/os/exec_windows.go
+--- a/src/os/exec_windows.go	(revision 0a52622d2331ff975fb0442617ec19bc352bb2ed)
++++ b/src/os/exec_windows.go	(revision fb3d09a67fe97008ad76fea97ae88170072cbdbb)
+@@ -10,6 +10,7 @@
+ 	"runtime"
+ 	"syscall"
+ 	"time"
++	_ "unsafe"
+ )
+ 
+ // Note that Process.handle is never nil because Windows always requires
+@@ -49,9 +50,23 @@
+ 	// than statusDone.
+ 	p.doRelease(statusReleased)
+ 
++	var maj, min, build uint32
++	rtlGetNtVersionNumbers(&maj, &min, &build)
++	if maj < 10 {
++		// NOTE(brainman): It seems that sometimes process is not dead
++		// when WaitForSingleObject returns. But we do not know any
++		// other way to wait for it. Sleeping for a while seems to do
++		// the trick sometimes.
++		// See https://golang.org/issue/25965 for details.
++		time.Sleep(5 * time.Millisecond)
++	}
++
+ 	return &ProcessState{p.Pid, syscall.WaitStatus{ExitCode: ec}, &u}, nil
+ }
+ 
++//go:linkname rtlGetNtVersionNumbers syscall.rtlGetNtVersionNumbers
++func rtlGetNtVersionNumbers(majorVersion *uint32, minorVersion *uint32, buildNumber *uint32)
++
+ func (p *Process) signal(sig Signal) error {
+ 	handle, status := p.handleTransientAcquire()
+ 	switch status {

.github/patch/go1.26.patch

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

.github/workflows/build.yml

@@ -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 1.26 with special patch can work on Windows 7
+          # https://github.com/MetaCubeX/go/commits/release-branch.go1.26/
           - { 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 }
@@ -80,6 +82,13 @@ jobs:
           - { goos: android, goarch: arm, ndk: armv7a-linux-androideabi34, output: armv7 }
           - { goos: android, goarch: arm64, ndk: aarch64-linux-android34, output: arm64-v8 }
 
+          # 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-go125', goversion: '1.25' }
+          - { goos: windows, goarch: amd64, goamd64: v1, output: amd64-v1-go125, goversion: '1.25' }
+          - { goos: windows, goarch: amd64, goamd64: v2, output: amd64-v2-go125, goversion: '1.25' }
+          - { goos: windows, goarch: amd64, goamd64: v3, output: amd64-v3-go125, goversion: '1.25' }
+
           # Go 1.24 with special patch can work on Windows 7
           # https://github.com/MetaCubeX/go/commits/release-branch.go1.24/
           - { goos: windows, goarch: '386', output: '386-go124', goversion: '1.24' }
@@ -152,22 +161,40 @@ jobs:
       if: ${{ matrix.jobs.goversion == '' && matrix.jobs.abi != '1' }}
       uses: actions/setup-go@v6
       with:
-        go-version: '1.25'
+        go-version: '1.26'
+        check-latest: true # Always check for the latest patch release
 
     - name: Set up Go
       if: ${{ matrix.jobs.goversion != '' && matrix.jobs.abi != '1' }}
       uses: actions/setup-go@v6
       with:
         go-version: ${{ matrix.jobs.goversion }}
+        check-latest: true # Always check for the latest patch release
 
-    - name: Set up Go1.24 loongarch abi1
+    - name: Set up Go1.25 loongarch abi1
       if: ${{ matrix.jobs.goarch == 'loong64' && matrix.jobs.abi == '1' }}
       run: |
-        wget -q https://github.com/MetaCubeX/loongarch64-golang/releases/download/1.24.0/go1.24.0.linux-amd64-abi1.tar.gz
+        wget -q https://github.com/MetaCubeX/loongarch64-golang/releases/download/1.25.5/go1.25.5.linux-amd64-abi1.tar.gz
-        sudo tar zxf go1.24.0.linux-amd64-abi1.tar.gz -C /usr/local
+        sudo tar zxf go1.25.5.linux-amd64-abi1.tar.gz -C /usr/local
         echo "/usr/local/go/bin" >> $GITHUB_PATH
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+      # this patch file only works on golang1.26.x
+      # that means after golang1.27 release it must be changed
+      # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.26/
+      # revert:
+      # 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+      # 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
+      # 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
+      # a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
+      # f0894a00f4b756d4b9b4078af2e686b359493583: "os: remove 5ms sleep on Windows in (*Process).Wait"
+      # sepical fix:
+      # - os.RemoveAll not working on Windows7
+    - name: Revert Golang1.26 commit for Windows7/8
+      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '' }}
+      run: |
+        cd $(go env GOROOT)
+        patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.26.patch
+
       # this patch file only works on golang1.25.x
       # that means after golang1.26 release it must be changed
       # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.25/
@@ -176,13 +203,15 @@ 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"
+      # f0894a00f4b756d4b9b4078af2e686b359493583: "os: remove 5ms sleep on Windows in (*Process).Wait"
+      # sepical fix:
+      # - os.RemoveAll not working on Windows7
     - name: Revert Golang1.25 commit for Windows7/8
-      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '' }}
+      if: ${{ matrix.jobs.goos == 'windows' && matrix.jobs.goversion == '1.25' }}
       run: |
         cd $(go env GOROOT)
         patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.25.patch
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.24.x
       # that means after golang1.25 release it must be changed
       # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.24/
@@ -197,7 +226,6 @@ jobs:
         cd $(go env GOROOT)
         patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.24.patch
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.23.x
       # that means after golang1.24 release it must be changed
       # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
@@ -212,7 +240,6 @@ jobs:
         cd $(go env GOROOT)
         patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go1.23.patch
 
-      # modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
       # this patch file only works on golang1.22.x
       # that means after golang1.23 release it must be changed
       # see: https://github.com/MetaCubeX/go/commits/release-branch.go1.22/

.github/workflows/test.yml

@@ -24,6 +24,7 @@ jobs:
           - 'ubuntu-24.04-arm' # arm64 linux
           - 'macos-15-intel' # amd64 macos
         go-version:
+          - '1.26'
           - '1.25'
           - '1.24'
           - '1.23'
@@ -47,6 +48,7 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go-version }}
+          check-latest: true # Always check for the latest patch release
 
       - name: Revert Golang commit for Windows7/8
         if: ${{ runner.os == 'Windows' && matrix.go-version != '1.20' }}
@@ -54,6 +56,11 @@ jobs:
           cd $(go env GOROOT)
           patch --verbose -p 1 < $GITHUB_WORKSPACE/.github/patch/go${{matrix.go-version}}.patch
 
+      - name: Remove inbound test for macOS
+        if: ${{ runner.os == 'macOS' }}
+        run: |
+          rm -rf listener/inbound/*_test.go
+
       - name: Test
         run: go test ./... -v -count=1
 

Dockerfile

@@ -4,9 +4,9 @@ RUN echo "I'm building for $TARGETPLATFORM"
 
 RUN apk add --no-cache gzip && \
     mkdir /mihomo-config && \
-    wget -O /mihomo-config/geoip.metadb https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.metadb && \
+    wget -O /mihomo-config/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/ech.go

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

adapter/outbound/http.go

@@ -3,19 +3,18 @@ package outbound
 import (
 	"bufio"
 	"context"
-	"crypto/tls"
 	"encoding/base64"
 	"errors"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	C "github.com/metacubex/mihomo/constant"
+
+	"github.com/metacubex/http"
+	"github.com/metacubex/tls"
 )
 
 type Http struct {
@@ -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/masque.go

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

adapter/outbound/mieru.go

@@ -4,17 +4,18 @@ import (
 	"context"
 	"fmt"
 	"net"
+	"net/netip"
 	"strconv"
 	"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"
 	mierucommon "github.com/enfein/mieru/v3/apis/common"
 	mierumodel "github.com/enfein/mieru/v3/apis/model"
+	mierutp "github.com/enfein/mieru/v3/apis/trafficpattern"
 	mierupb "github.com/enfein/mieru/v3/pkg/appctl/appctlpb"
 	"google.golang.org/protobuf/proto"
 )
@@ -28,16 +29,56 @@ type Mieru struct {
 
 type MieruOption struct {
 	BasicOption
-	Name          string `proxy:"name"`
+	Name           string `proxy:"name"`
-	Server        string `proxy:"server"`
+	Server         string `proxy:"server"`
-	Port          int    `proxy:"port,omitempty"`
+	Port           int    `proxy:"port,omitempty"`
-	PortRange     string `proxy:"port-range,omitempty"`
+	PortRange      string `proxy:"port-range,omitempty"`
-	Transport     string `proxy:"transport"`
+	Transport      string `proxy:"transport"`
-	UDP           bool   `proxy:"udp,omitempty"`
+	UDP            bool   `proxy:"udp,omitempty"`
-	UserName      string `proxy:"username"`
+	UserName       string `proxy:"username"`
-	Password      string `proxy:"password"`
+	Password       string `proxy:"password"`
-	Multiplexing  string `proxy:"multiplexing,omitempty"`
+	Multiplexing   string `proxy:"multiplexing,omitempty"`
-	HandshakeMode string `proxy:"handshake-mode,omitempty"`
+	HandshakeMode  string `proxy:"handshake-mode,omitempty"`
+	TrafficPattern string `proxy:"traffic-pattern,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
@@ -65,7 +106,7 @@ 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
@@ -89,19 +130,13 @@ 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
 	}
@@ -134,16 +169,18 @@ func NewMieru(option MieruOption) (*Mieru, error) {
 		Base: &Base{
 			name:   option.Name,
 			addr:   addr,
-			iface:  option.Interface,
 			tp:     C.Mieru,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			xudp:   false,
+			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		option: &option,
 		client: c,
 	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
 	return outbound, nil
 }
 
@@ -158,23 +195,21 @@ 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) {
@@ -182,7 +217,13 @@ func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, erro
 		return nil, fmt.Errorf("failed to validate mieru option: %w", err)
 	}
 
-	transportProtocol := mierupb.TransportProtocol_TCP.Enum()
+	var transportProtocol = mierupb.TransportProtocol_UNKNOWN_TRANSPORT_PROTOCOL.Enum()
+	switch option.Transport {
+	case "TCP":
+		transportProtocol = mierupb.TransportProtocol_TCP.Enum()
+	case "UDP":
+		transportProtocol = mierupb.TransportProtocol_UDP.Enum()
+	}
 	var server *mierupb.ServerEndpoint
 	if net.ParseIP(option.Server) != nil {
 		// server is an IP address
@@ -240,6 +281,9 @@ 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{
@@ -249,6 +293,10 @@ func buildMieruClientConfig(option MieruOption) (*mieruclient.ClientConfig, erro
 	if handshakeMode, ok := mierupb.HandshakeMode_value[option.HandshakeMode]; ok {
 		config.Profile.HandshakeMode = (*mierupb.HandshakeMode)(&handshakeMode)
 	}
+	if option.TrafficPattern != "" {
+		trafficPattern, _ := mierutp.Decode(option.TrafficPattern)
+		config.Profile.TrafficPattern = trafficPattern
+	}
 	return config, nil
 }
 
@@ -284,8 +332,8 @@ func validateMieruOption(option MieruOption) error {
 		}
 	}
 
-	if option.Transport != "TCP" {
+	if option.Transport != "TCP" && option.Transport != "UDP" {
-		return fmt.Errorf("transport must be TCP")
+		return fmt.Errorf("transport must be TCP or UDP")
 	}
 	if option.UserName == "" {
 		return fmt.Errorf("username is empty")
@@ -303,6 +351,15 @@ func validateMieruOption(option MieruOption) error {
 			return fmt.Errorf("invalid handshake mode: %s", option.HandshakeMode)
 		}
 	}
+	if option.TrafficPattern != "" {
+		trafficPattern, err := mierutp.Decode(option.TrafficPattern)
+		if err != nil {
+			return fmt.Errorf("failed to decode traffic pattern %q: %w", option.TrafficPattern, err)
+		}
+		if err := mierutp.Validate(trafficPattern); err != nil {
+			return fmt.Errorf("invalid traffic pattern %q: %w", option.TrafficPattern, err)
+		}
+	}
 	return nil
 }
 

adapter/outbound/mieru_test.go

@@ -31,12 +31,13 @@ func TestNewMieru(t *testing.T) {
 		},
 		{
 			option: MieruOption{
-				Name:      "test",
+				Name:           "test",
-				Server:    "example.com",
+				Server:         "example.com",
-				Port:      10003,
+				Port:           10003,
-				Transport: "TCP",
+				Transport:      "UDP",
-				UserName:  "test",
+				UserName:       "test",
-				Password:  "test",
+				Password:       "test",
+				TrafficPattern: "GgQIARAK",
 			},
 			wantBaseAddr: "example.com:10003",
 		},

adapter/outbound/reality.go

@@ -12,9 +12,9 @@ import (
 
 type RealityOptions struct {
 	PublicKey string `proxy:"public-key"`
-	ShortID   string `proxy:"short-id"`
+	ShortID   string `proxy:"short-id,omitempty"`
 
-	SupportX25519MLKEM768 bool `proxy:"support-x25519mlkem768"`
+	SupportX25519MLKEM768 bool `proxy:"support-x25519mlkem768,omitempty"`
 }
 
 func (o RealityOptions) Parse() (*tlsC.RealityConfig, error) {

adapter/outbound/reject.go

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

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"
@@ -116,6 +114,7 @@ type kcpTunOption struct {
 	AutoExpire   int    `obfs:"autoexpire,omitempty"`
 	ScavengeTTL  int    `obfs:"scavengettl,omitempty"`
 	MTU          int    `obfs:"mtu,omitempty"`
+	RateLimit    int    `obfs:"ratelimit,omitempty"`
 	SndWnd       int    `obfs:"sndwnd,omitempty"`
 	RcvWnd       int    `obfs:"rcvwnd,omitempty"`
 	DataShard    int    `obfs:"datashard,omitempty"`
@@ -130,6 +129,7 @@ type kcpTunOption struct {
 	SockBuf      int    `obfs:"sockbuf,omitempty"`
 	SmuxVer      int    `obfs:"smuxver,omitempty"`
 	SmuxBuf      int    `obfs:"smuxbuf,omitempty"`
+	FrameSize    int    `obfs:"framesize,omitempty"`
 	StreamBuf    int    `obfs:"streambuf,omitempty"`
 	KeepAlive    int    `obfs:"keepalive,omitempty"`
 }
@@ -191,17 +191,6 @@ 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 +202,7 @@ 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 +210,7 @@ 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 +226,14 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
-	return ss.ListenPacketWithDialer(ctx, dialer.NewDialer(ss.DialOptions()...), metadata)
-}
-
-// ListenPacketWithDialer implements C.ProxyAdapter
-func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	if ss.option.UDPOverTCP {
-		tcpConn, err := ss.DialContextWithDialer(ctx, dialer, metadata)
+		tcpConn, err := ss.DialContext(ctx, metadata)
 		if err != nil {
 			return nil, err
 		}
 		return ss.ListenPacketOnStreamConn(ctx, tcpConn, metadata)
 	}
-	if len(ss.option.DialerProxy) > 0 {
+	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 +241,7 @@ func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dial
 		return nil, err
 	}
 
-	pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
+	pc, err := ss.dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 	if err != nil {
 		return nil, err
 	}
@@ -271,11 +249,6 @@ func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dial
 	return newPacketConn(pc, ss), nil
 }
 
-// SupportWithDialer implements C.ProxyAdapter
-func (ss *ShadowSocks) SupportWithDialer() C.NetWork {
-	return C.ALLNet
-}
-
 // ProxyInfo implements C.ProxyAdapter
 func (ss *ShadowSocks) ProxyInfo() C.ProxyInfo {
 	info := ss.Base.ProxyInfo()
@@ -455,6 +428,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			AutoExpire:   kcptunOpt.AutoExpire,
 			ScavengeTTL:  kcptunOpt.ScavengeTTL,
 			MTU:          kcptunOpt.MTU,
+			RateLimit:    kcptunOpt.RateLimit,
 			SndWnd:       kcptunOpt.SndWnd,
 			RcvWnd:       kcptunOpt.RcvWnd,
 			DataShard:    kcptunOpt.DataShard,
@@ -469,6 +443,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			SockBuf:      kcptunOpt.SockBuf,
 			SmuxVer:      kcptunOpt.SmuxVer,
 			SmuxBuf:      kcptunOpt.SmuxBuf,
+			FrameSize:    kcptunOpt.FrameSize,
 			StreamBuf:    kcptunOpt.StreamBuf,
 			KeepAlive:    kcptunOpt.KeepAlive,
 		})
@@ -482,17 +457,18 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		return nil, fmt.Errorf("ss %s unknown udp over tcp protocol version: %d", addr, option.UDPOverTCPVersion)
 	}
 
-	return &ShadowSocks{
+	outbound := &ShadowSocks{
 		Base: &Base{
 			name:   option.Name,
 			addr:   addr,
 			tp:     C.Shadowsocks,
+			pdName: option.ProviderName,
 			udp:    option.UDP,
 			tfo:    option.TFO,
 			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
-			prefer: C.NewDNSPrefer(option.IPVersion),
+			prefer: option.IPVersion,
 		},
 		method: method,
 
@@ -504,5 +480,7 @@ 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 +1,405 @@
+package outbound
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"strconv"
+	"strings"
+	"sync"
+
+	N "github.com/metacubex/mihomo/common/net"
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/transport/sudoku"
+)
+
+type Sudoku struct {
+	*Base
+	option   *SudokuOption
+	baseConf sudoku.ProtocolConfig
+
+	httpMaskMu     sync.Mutex
+	httpMaskClient *sudoku.HTTPMaskTunnelClient
+
+	muxMu     sync.Mutex
+	muxClient *sudoku.MultiplexClient
+}
+
+type SudokuOption struct {
+	BasicOption
+	Name               string   `proxy:"name"`
+	Server             string   `proxy:"server"`
+	Port               int      `proxy:"port"`
+	Key                string   `proxy:"key"`
+	AEADMethod         string   `proxy:"aead-method,omitempty"`
+	PaddingMin         *int     `proxy:"padding-min,omitempty"`
+	PaddingMax         *int     `proxy:"padding-max,omitempty"`
+	TableType          string   `proxy:"table-type,omitempty"` // "prefer_ascii" or "prefer_entropy"
+	EnablePureDownlink *bool    `proxy:"enable-pure-downlink,omitempty"`
+	HTTPMask           bool     `proxy:"http-mask,omitempty"`
+	HTTPMaskMode       string   `proxy:"http-mask-mode,omitempty"`      // "legacy" (default), "stream", "poll", "auto"
+	HTTPMaskTLS        bool     `proxy:"http-mask-tls,omitempty"`       // only for http-mask-mode stream/poll/auto
+	HTTPMaskHost       string   `proxy:"http-mask-host,omitempty"`      // optional Host/SNI override (domain or domain:port)
+	PathRoot           string   `proxy:"path-root,omitempty"`           // optional first-level path prefix for HTTP tunnel endpoints
+	HTTPMaskMultiplex  string   `proxy:"http-mask-multiplex,omitempty"` // "off" (default), "auto" (reuse h1/h2), "on" (single tunnel, multi-target)
+	CustomTable        string   `proxy:"custom-table,omitempty"`        // optional custom byte layout, e.g. xpxvvpvv
+	CustomTables       []string `proxy:"custom-tables,omitempty"`       // optional table rotation patterns, overrides custom-table when non-empty
+}
+
+// DialContext implements C.ProxyAdapter
+func (s *Sudoku) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
+	cfg, err := s.buildConfig(metadata)
+	if err != nil {
+		return nil, err
+	}
+
+	muxMode := normalizeHTTPMaskMultiplex(cfg.HTTPMaskMultiplex)
+	if muxMode == "on" && !cfg.DisableHTTPMask && httpTunnelModeEnabled(cfg.HTTPMaskMode) {
+		stream, muxErr := s.dialMultiplex(ctx, cfg.TargetAddress)
+		if muxErr == nil {
+			return NewConn(stream, s), nil
+		}
+		return nil, muxErr
+	}
+
+	c, err := s.dialAndHandshake(ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+	defer func() { safeConnClose(c, err) }()
+
+	addrBuf, err := sudoku.EncodeAddress(cfg.TargetAddress)
+	if err != nil {
+		return nil, fmt.Errorf("encode target address failed: %w", err)
+	}
+
+	if _, err = c.Write(addrBuf); err != nil {
+		return nil, fmt.Errorf("send target address failed: %w", err)
+	}
+
+	return NewConn(c, s), nil
+}
+
+// ListenPacketContext implements C.ProxyAdapter
+func (s *Sudoku) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (C.PacketConn, error) {
+	if err := s.ResolveUDP(ctx, metadata); err != nil {
+		return nil, err
+	}
+
+	cfg, err := s.buildConfig(metadata)
+	if err != nil {
+		return nil, err
+	}
+
+	c, err := s.dialAndHandshake(ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = sudoku.WritePreface(c); err != nil {
+		_ = c.Close()
+		return nil, fmt.Errorf("send uot preface failed: %w", err)
+	}
+
+	return newPacketConn(N.NewThreadSafePacketConn(sudoku.NewUoTPacketConn(c)), s), nil
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (s *Sudoku) SupportUOT() bool {
+	return true
+}
+
+// ProxyInfo implements C.ProxyAdapter
+func (s *Sudoku) ProxyInfo() C.ProxyInfo {
+	info := s.Base.ProxyInfo()
+	info.DialerProxy = s.option.DialerProxy
+	return info
+}
+
+func (s *Sudoku) buildConfig(metadata *C.Metadata) (*sudoku.ProtocolConfig, error) {
+	if metadata == nil || metadata.DstPort == 0 || !metadata.Valid() {
+		return nil, fmt.Errorf("invalid metadata for sudoku outbound")
+	}
+
+	cfg := s.baseConf
+	cfg.TargetAddress = metadata.RemoteAddress()
+
+	if err := cfg.ValidateClient(); err != nil {
+		return nil, err
+	}
+	return &cfg, nil
+}
+
+func NewSudoku(option SudokuOption) (*Sudoku, error) {
+	if option.Server == "" {
+		return nil, fmt.Errorf("server is required")
+	}
+	if option.Port <= 0 || option.Port > 65535 {
+		return nil, fmt.Errorf("invalid port: %d", option.Port)
+	}
+	if option.Key == "" {
+		return nil, fmt.Errorf("key is required")
+	}
+
+	tableType := strings.ToLower(option.TableType)
+	if tableType == "" {
+		tableType = "prefer_ascii"
+	}
+	if tableType != "prefer_ascii" && tableType != "prefer_entropy" {
+		return nil, fmt.Errorf("table-type must be prefer_ascii or prefer_entropy")
+	}
+
+	defaultConf := sudoku.DefaultConfig()
+	paddingMin := defaultConf.PaddingMin
+	paddingMax := defaultConf.PaddingMax
+	if option.PaddingMin != nil {
+		paddingMin = *option.PaddingMin
+	}
+	if option.PaddingMax != nil {
+		paddingMax = *option.PaddingMax
+	}
+	if option.PaddingMin == nil && option.PaddingMax != nil && paddingMax < paddingMin {
+		paddingMin = paddingMax
+	}
+	if option.PaddingMax == nil && option.PaddingMin != nil && paddingMax < paddingMin {
+		paddingMax = paddingMin
+	}
+	enablePureDownlink := defaultConf.EnablePureDownlink
+	if option.EnablePureDownlink != nil {
+		enablePureDownlink = *option.EnablePureDownlink
+	}
+
+	baseConf := sudoku.ProtocolConfig{
+		ServerAddress:           net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+		Key:                     option.Key,
+		AEADMethod:              defaultConf.AEADMethod,
+		PaddingMin:              paddingMin,
+		PaddingMax:              paddingMax,
+		EnablePureDownlink:      enablePureDownlink,
+		HandshakeTimeoutSeconds: defaultConf.HandshakeTimeoutSeconds,
+		DisableHTTPMask:         !option.HTTPMask,
+		HTTPMaskMode:            defaultConf.HTTPMaskMode,
+		HTTPMaskTLSEnabled:      option.HTTPMaskTLS,
+		HTTPMaskHost:            option.HTTPMaskHost,
+		HTTPMaskPathRoot:        strings.TrimSpace(option.PathRoot),
+		HTTPMaskMultiplex:       defaultConf.HTTPMaskMultiplex,
+	}
+	if option.HTTPMaskMode != "" {
+		baseConf.HTTPMaskMode = option.HTTPMaskMode
+	}
+	if option.HTTPMaskMultiplex != "" {
+		baseConf.HTTPMaskMultiplex = option.HTTPMaskMultiplex
+	}
+	tables, err := sudoku.NewTablesWithCustomPatterns(sudoku.ClientAEADSeed(option.Key), tableType, option.CustomTable, option.CustomTables)
+	if err != nil {
+		return nil, fmt.Errorf("build table(s) failed: %w", err)
+	}
+	if len(tables) == 1 {
+		baseConf.Table = tables[0]
+	} else {
+		baseConf.Tables = tables
+	}
+	if option.AEADMethod != "" {
+		baseConf.AEADMethod = option.AEADMethod
+	}
+
+	outbound := &Sudoku{
+		Base: &Base{
+			name:   option.Name,
+			addr:   baseConf.ServerAddress,
+			tp:     C.Sudoku,
+			pdName: option.ProviderName,
+			udp:    true,
+			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: option.IPVersion,
+		},
+		option:   &option,
+		baseConf: baseConf,
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+	return outbound, nil
+}
+
+func (s *Sudoku) Close() error {
+	s.resetMuxClient()
+	s.resetHTTPMaskClient()
+	return s.Base.Close()
+}
+
+func normalizeHTTPMaskMultiplex(mode string) string {
+	switch strings.ToLower(strings.TrimSpace(mode)) {
+	case "", "off":
+		return "off"
+	case "auto":
+		return "auto"
+	case "on":
+		return "on"
+	default:
+		return "off"
+	}
+}
+
+func httpTunnelModeEnabled(mode string) bool {
+	switch strings.ToLower(strings.TrimSpace(mode)) {
+	case "stream", "poll", "auto":
+		return true
+	default:
+		return false
+	}
+}
+
+func (s *Sudoku) dialAndHandshake(ctx context.Context, cfg *sudoku.ProtocolConfig) (_ net.Conn, err error) {
+	if cfg == nil {
+		return nil, fmt.Errorf("config is required")
+	}
+
+	handshakeCfg := *cfg
+	if !handshakeCfg.DisableHTTPMask && httpTunnelModeEnabled(handshakeCfg.HTTPMaskMode) {
+		handshakeCfg.DisableHTTPMask = true
+	}
+
+	upgrade := func(raw net.Conn) (net.Conn, error) {
+		return sudoku.ClientHandshake(raw, &handshakeCfg)
+	}
+
+	var (
+		c             net.Conn
+		handshakeDone bool
+	)
+	if !cfg.DisableHTTPMask && httpTunnelModeEnabled(cfg.HTTPMaskMode) {
+		muxMode := normalizeHTTPMaskMultiplex(cfg.HTTPMaskMultiplex)
+		switch muxMode {
+		case "auto", "on":
+			client, errX := s.getOrCreateHTTPMaskClient(cfg)
+			if errX != nil {
+				return nil, errX
+			}
+			c, err = client.Dial(ctx, upgrade)
+		default:
+			c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext, upgrade)
+		}
+		if err == nil && c != nil {
+			handshakeDone = true
+		}
+	}
+	if c == nil && err == nil {
+		c, err = s.dialer.DialContext(ctx, "tcp", s.addr)
+	}
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
+	}
+
+	defer func() { safeConnClose(c, err) }()
+
+	if ctx.Done() != nil {
+		done := N.SetupContextForConn(ctx, c)
+		defer done(&err)
+	}
+
+	if !handshakeDone {
+		c, err = sudoku.ClientHandshake(c, &handshakeCfg)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return c, nil
+}
+
+func (s *Sudoku) dialMultiplex(ctx context.Context, targetAddress string) (net.Conn, error) {
+	for attempt := 0; attempt < 2; attempt++ {
+		client, err := s.getOrCreateMuxClient(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		stream, err := client.Dial(ctx, targetAddress)
+		if err != nil {
+			s.resetMuxClient()
+			continue
+		}
+
+		return stream, nil
+	}
+	return nil, fmt.Errorf("multiplex open stream failed")
+}
+
+func (s *Sudoku) getOrCreateMuxClient(ctx context.Context) (*sudoku.MultiplexClient, error) {
+	if s == nil {
+		return nil, fmt.Errorf("nil adapter")
+	}
+
+	s.muxMu.Lock()
+	if s.muxClient != nil && !s.muxClient.IsClosed() {
+		client := s.muxClient
+		s.muxMu.Unlock()
+		return client, nil
+	}
+	s.muxMu.Unlock()
+
+	s.muxMu.Lock()
+	defer s.muxMu.Unlock()
+
+	if s.muxClient != nil && !s.muxClient.IsClosed() {
+		return s.muxClient, nil
+	}
+
+	baseCfg := s.baseConf
+	baseConn, err := s.dialAndHandshake(ctx, &baseCfg)
+	if err != nil {
+		return nil, err
+	}
+
+	client, err := sudoku.StartMultiplexClient(baseConn)
+	if err != nil {
+		_ = baseConn.Close()
+		return nil, err
+	}
+
+	s.muxClient = client
+	return client, nil
+}
+
+func (s *Sudoku) resetMuxClient() {
+	s.muxMu.Lock()
+	defer s.muxMu.Unlock()
+	if s.muxClient != nil {
+		_ = s.muxClient.Close()
+		s.muxClient = nil
+	}
+}
+
+func (s *Sudoku) getOrCreateHTTPMaskClient(cfg *sudoku.ProtocolConfig) (*sudoku.HTTPMaskTunnelClient, error) {
+	if s == nil {
+		return nil, fmt.Errorf("nil adapter")
+	}
+	if cfg == nil {
+		return nil, fmt.Errorf("config is required")
+	}
+
+	s.httpMaskMu.Lock()
+	defer s.httpMaskMu.Unlock()
+
+	if s.httpMaskClient != nil {
+		return s.httpMaskClient, nil
+	}
+
+	c, err := sudoku.NewHTTPMaskTunnelClient(cfg.ServerAddress, cfg, s.dialer.DialContext)
+	if err != nil {
+		return nil, err
+	}
+	s.httpMaskClient = c
+	return c, nil
+}
+
+func (s *Sudoku) resetHTTPMaskClient() {
+	s.httpMaskMu.Lock()
+	defer s.httpMaskMu.Unlock()
+	if s.httpMaskClient != nil {
+		s.httpMaskClient.CloseIdleConnections()
+		s.httpMaskClient = nil
+	}
+}

adapter/outbound/trojan.go

@@ -2,24 +2,23 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
-	"net/http"
 	"strconv"
 
 	N "github.com/metacubex/mihomo/common/net"
 	"github.com/metacubex/mihomo/component/ca"
-	"github.com/metacubex/mihomo/component/dialer"
 	"github.com/metacubex/mihomo/component/ech"
-	"github.com/metacubex/mihomo/component/proxydialer"
 	tlsC "github.com/metacubex/mihomo/component/tls"
 	C "github.com/metacubex/mihomo/constant"
 	"github.com/metacubex/mihomo/transport/gun"
 	"github.com/metacubex/mihomo/transport/shadowsocks/core"
 	"github.com/metacubex/mihomo/transport/trojan"
 	"github.com/metacubex/mihomo/transport/vmess"
+
+	"github.com/metacubex/http"
+	"github.com/metacubex/tls"
 )
 
 type Trojan struct {
@@ -28,9 +27,8 @@ type Trojan struct {
 	hexPassword [trojan.KeyLength]byte
 
 	// for gun mux
-	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *gun.TransportWrap
+	gunTransport *gun.TransportWrap
 
 	realityConfig *tlsC.RealityConfig
 	echConfig     *ech.Config
@@ -67,7 +65,6 @@ type TrojanSSOption struct {
 	Password string `proxy:"password,omitempty"`
 }
 
-// StreamConnContext implements C.ProxyAdapter
 func (t *Trojan) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Metadata) (_ net.Conn, err error) {
 	switch t.option.Network {
 	case "ws":
@@ -119,7 +116,7 @@ func (t *Trojan) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.
 
 		c, err = vmess.StreamWebsocketConn(ctx, c, wsOpts)
 	case "grpc":
-		c, err = gun.StreamGunWithConn(c, t.gunTLSConfig, t.gunConfig, t.echConfig, t.realityConfig)
+		break // already handle in gun transport
 	default:
 		// default tcp network
 		// handle TLS
@@ -180,38 +177,14 @@ func (t *Trojan) writeHeaderContext(ctx context.Context, c net.Conn, metadata *C
 func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
 	var c net.Conn
 	// gun transport
-	if t.transport != nil {
+	if t.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(t.transport, t.gunConfig)
+		c, err = gun.StreamGunWithTransport(t.gunTransport, t.gunConfig)
-		if err != nil {
+	} else {
-			return nil, err
+		c, err = t.dialer.DialContext(ctx, "tcp", t.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = t.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, err
-		}
-
-		return NewConn(c, t), nil
 	}
-	return t.DialContextWithDialer(ctx, dialer.NewDialer(t.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (t *Trojan) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(t.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(t.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", t.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
-
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
@@ -231,46 +204,19 @@ func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
 	}
 
 	var c net.Conn
-
 	// grpc transport
-	if t.transport != nil {
+	if t.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(t.transport, t.gunConfig)
+		c, err = gun.StreamGunWithTransport(t.gunTransport, t.gunConfig)
-		if err != nil {
+	} else {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+		c, err = t.dialer.DialContext(ctx, "tcp", t.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = t.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, err
-		}
-
-		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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
+
 	c, err = t.StreamConnContext(ctx, c, metadata)
 	if err != nil {
 		return nil, err
@@ -280,11 +226,6 @@ 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
@@ -299,8 +240,8 @@ func (t *Trojan) ProxyInfo() C.ProxyInfo {
 
 // Close implements C.ProxyAdapter
 func (t *Trojan) Close() error {
-	if t.transport != nil {
+	if t.gunTransport != nil {
-		return t.transport.Close()
+		return t.gunTransport.Close()
 	}
 	return nil
 }
@@ -317,16 +258,18 @@ 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()
@@ -355,43 +298,31 @@ 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())
 			}
 			return c, nil
 		}
 
-		tlsConfig, err := ca.GetTLSConfig(ca.Option{
+		tlsConfig := &vmess.TLSConfig{
-			TLSConfig: &tls.Config{
+			Host:              option.SNI,
-				NextProtos:         option.ALPN,
+			SkipCertVerify:    option.SkipCertVerify,
-				MinVersion:         tls.VersionTLS12,
+			FingerPrint:       option.Fingerprint,
-				InsecureSkipVerify: option.SkipCertVerify,
+			Certificate:       option.Certificate,
-				ServerName:         option.SNI,
+			PrivateKey:        option.PrivateKey,
-			},
+			ClientFingerprint: option.ClientFingerprint,
-			Fingerprint: option.Fingerprint,
+			NextProtos:        []string{"h2"},
-			Certificate: option.Certificate,
+			ECH:               t.echConfig,
-			PrivateKey:  option.PrivateKey,
+			Reality:           t.realityConfig,
-		})
-		if err != nil {
-			return nil, err
 		}
 
-		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig, option.ClientFingerprint, t.echConfig, t.realityConfig)
+		t.gunTransport = gun.NewHTTP2Client(dialFn, tlsConfig)
 
-		t.gunTLSConfig = tlsConfig
 		t.gunConfig = &gun.Config{
-			ServiceName:       option.GrpcOpts.GrpcServiceName,
+			ServiceName: option.GrpcOpts.GrpcServiceName,
-			Host:              option.SNI,
+			UserAgent:   option.GrpcOpts.GrpcUserAgent,
-			ClientFingerprint: option.ClientFingerprint,
+			Host:        option.SNI,
 		}
 	}
 

adapter/outbound/trusttunnel.go

@@ -0,0 +1,144 @@
+package outbound
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"strconv"
+
+	N "github.com/metacubex/mihomo/common/net"
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/transport/trusttunnel"
+	"github.com/metacubex/mihomo/transport/vmess"
+)
+
+type TrustTunnel struct {
+	*Base
+	client *trusttunnel.Client
+	option *TrustTunnelOption
+}
+
+type TrustTunnelOption struct {
+	BasicOption
+	Name              string     `proxy:"name"`
+	Server            string     `proxy:"server"`
+	Port              int        `proxy:"port"`
+	UserName          string     `proxy:"username,omitempty"`
+	Password          string     `proxy:"password,omitempty"`
+	ALPN              []string   `proxy:"alpn,omitempty"`
+	SNI               string     `proxy:"sni,omitempty"`
+	ECHOpts           ECHOptions `proxy:"ech-opts,omitempty"`
+	ClientFingerprint string     `proxy:"client-fingerprint,omitempty"`
+	SkipCertVerify    bool       `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint       string     `proxy:"fingerprint,omitempty"`
+	Certificate       string     `proxy:"certificate,omitempty"`
+	PrivateKey        string     `proxy:"private-key,omitempty"`
+	UDP               bool       `proxy:"udp,omitempty"`
+	HealthCheck       bool       `proxy:"health-check,omitempty"`
+
+	Quic                 bool   `proxy:"quic,omitempty"`
+	CongestionController string `proxy:"congestion-controller,omitempty"`
+	CWND                 int    `proxy:"cwnd,omitempty"`
+}
+
+func (t *TrustTunnel) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := t.client.Dial(ctx, metadata.RemoteAddress())
+	if err != nil {
+		return nil, err
+	}
+	return NewConn(c, t), nil
+}
+
+func (t *TrustTunnel) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if err = t.ResolveUDP(ctx, metadata); err != nil {
+		return nil, err
+	}
+
+	pc, err := t.client.ListenPacket(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return newPacketConn(N.NewThreadSafePacketConn(pc), t), nil
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (t *TrustTunnel) SupportUOT() bool {
+	return true
+}
+
+// ProxyInfo implements C.ProxyAdapter
+func (t *TrustTunnel) ProxyInfo() C.ProxyInfo {
+	info := t.Base.ProxyInfo()
+	info.DialerProxy = t.option.DialerProxy
+	return info
+}
+
+// Close implements C.ProxyAdapter
+func (t *TrustTunnel) Close() error {
+	return t.client.Close()
+}
+
+func NewTrustTunnel(option TrustTunnelOption) (*TrustTunnel, error) {
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	outbound := &TrustTunnel{
+		Base: &Base{
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.TrustTunnel,
+			pdName: option.ProviderName,
+			udp:    option.UDP,
+			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: option.IPVersion,
+		},
+		option: &option,
+	}
+	outbound.dialer = option.NewDialer(outbound.DialOptions())
+
+	tOption := trusttunnel.ClientOptions{
+		Dialer: outbound.dialer,
+		ResolvUDP: func(ctx context.Context, server string) (netip.AddrPort, error) {
+			udpAddr, err := resolveUDPAddr(ctx, "udp", server, option.IPVersion)
+			if err != nil {
+				return netip.AddrPort{}, err
+			}
+			return udpAddr.AddrPort(), nil
+		},
+		Server:                addr,
+		Username:              option.UserName,
+		Password:              option.Password,
+		QUIC:                  option.Quic,
+		QUICCongestionControl: option.CongestionController,
+		QUICCwnd:              option.CWND,
+		HealthCheck:           option.HealthCheck,
+	}
+	echConfig, err := option.ECHOpts.Parse()
+	if err != nil {
+		return nil, err
+	}
+	tlsConfig := &vmess.TLSConfig{
+		Host:              option.SNI,
+		SkipCertVerify:    option.SkipCertVerify,
+		NextProtos:        option.ALPN,
+		FingerPrint:       option.Fingerprint,
+		Certificate:       option.Certificate,
+		PrivateKey:        option.PrivateKey,
+		ClientFingerprint: option.ClientFingerprint,
+		ECH:               echConfig,
+	}
+	if tlsConfig.Host == "" {
+		tlsConfig.Host = option.Server
+	}
+	tOption.TLSConfig = tlsConfig
+
+	client, err := trusttunnel.NewClient(context.TODO(), tOption)
+	if err != nil {
+		return nil, err
+	}
+	outbound.client = client
+
+	return outbound, nil
+}

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 {
@@ -35,9 +33,8 @@ type Vless struct {
 	encryption *encryption.ClientInstance
 
 	// for gun mux
-	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *gun.TransportWrap
+	gunTransport *gun.TransportWrap
 
 	realityConfig *tlsC.RealityConfig
 	echConfig     *ech.Config
@@ -153,7 +150,7 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 
 		c, err = vmess.StreamH2Conn(ctx, c, h2Opts)
 	case "grpc":
-		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig, v.echConfig, v.realityConfig)
+		break // already handle in gun transport
 	default:
 		// default tcp network
 		// handle TLS
@@ -236,34 +233,11 @@ func (v *Vless) streamTLSConn(ctx context.Context, conn net.Conn, isH2 bool) (ne
 func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
 	var c net.Conn
 	// gun transport
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		c, err = gun.StreamGunWithTransport(v.gunTransport, v.gunConfig)
-		if err != nil {
+	} else {
-			return nil, err
+		c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = v.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, err
-		}
-
-		return NewConn(c, v), nil
 	}
-	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -285,39 +259,11 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (
 	}
 	var c net.Conn
 	// gun transport
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		c, err = gun.StreamGunWithTransport(v.gunTransport, v.gunConfig)
-		if err != nil {
+	} else {
-			return nil, err
+		c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = v.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, fmt.Errorf("new vless client error: %v", err)
-		}
-
-		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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -333,11 +279,6 @@ 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 {
@@ -377,8 +318,8 @@ func (v *Vless) ProxyInfo() C.ProxyInfo {
 
 // Close implements C.ProxyAdapter
 func (v *Vless) Close() error {
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		return v.transport.Close()
+		return v.gunTransport.Close()
 	}
 	return nil
 }
@@ -446,17 +387,19 @@ 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 +423,7 @@ 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())
 			}
@@ -496,37 +431,35 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 
 		gunConfig := &gun.Config{
-			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
+			ServiceName: option.GrpcOpts.GrpcServiceName,
-			Host:              v.option.ServerName,
+			UserAgent:   option.GrpcOpts.GrpcUserAgent,
-			ClientFingerprint: v.option.ClientFingerprint,
+			Host:        option.ServerName,
 		}
 		if option.ServerName == "" {
 			gunConfig.Host = v.addr
 		}
-		var tlsConfig *tls.Config
+		var tlsConfig *vmess.TLSConfig
 		if option.TLS {
-			tlsConfig, err = ca.GetTLSConfig(ca.Option{
+			tlsConfig = &vmess.TLSConfig{
-				TLSConfig: &tls.Config{
+				Host:              option.ServerName,
-					InsecureSkipVerify: v.option.SkipCertVerify,
+				SkipCertVerify:    option.SkipCertVerify,
-					ServerName:         v.option.ServerName,
+				FingerPrint:       option.Fingerprint,
-				},
+				Certificate:       option.Certificate,
-				Fingerprint: v.option.Fingerprint,
+				PrivateKey:        option.PrivateKey,
-				Certificate: v.option.Certificate,
+				ClientFingerprint: option.ClientFingerprint,
-				PrivateKey:  v.option.PrivateKey,
+				NextProtos:        []string{"h2"},
-			})
+				ECH:               v.echConfig,
-			if err != nil {
+				Reality:           v.realityConfig,
-				return nil, err
 			}
 			if option.ServerName == "" {
 				host, _, _ := net.SplitHostPort(v.addr)
-				tlsConfig.ServerName = host
+				tlsConfig.Host = host
 			}
 		}
 
-		v.gunTLSConfig = tlsConfig
 		v.gunConfig = gunConfig
 
-		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig, v.option.ClientFingerprint, v.echConfig, v.realityConfig)
+		v.gunTransport = gun.NewHTTP2Client(dialFn, tlsConfig)
 	}
 
 	return v, nil

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")
@@ -36,9 +34,8 @@ type Vmess struct {
 	option *VmessOption
 
 	// for gun mux
-	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *gun.TransportWrap
+	gunTransport *gun.TransportWrap
 
 	realityConfig *tlsC.RealityConfig
 	echConfig     *ech.Config
@@ -88,6 +85,7 @@ type HTTP2Options struct {
 
 type GrpcOptions struct {
 	GrpcServiceName string `proxy:"grpc-service-name,omitempty"`
+	GrpcUserAgent   string `proxy:"grpc-user-agent,omitempty"`
 }
 
 type WSOptions struct {
@@ -99,7 +97,6 @@ type WSOptions struct {
 	V2rayHttpUpgradeFastOpen bool              `proxy:"v2ray-http-upgrade-fast-open,omitempty"`
 }
 
-// StreamConnContext implements C.ProxyAdapter
 func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Metadata) (_ net.Conn, err error) {
 	switch v.option.Network {
 	case "ws":
@@ -206,7 +203,7 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 
 		c, err = mihomoVMess.StreamH2Conn(ctx, c, h2Opts)
 	case "grpc":
-		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig, v.echConfig, v.realityConfig)
+		break // already handle in gun transport
 	default:
 		// handle TLS
 		if v.option.TLS {
@@ -297,34 +294,11 @@ func (v *Vmess) streamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Conn, err error) {
 	var c net.Conn
 	// gun transport
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		c, err = gun.StreamGunWithTransport(v.gunTransport, v.gunConfig)
-		if err != nil {
+	} else {
-			return nil, err
+		c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = v.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, err
-		}
-
-		return NewConn(c, v), nil
 	}
-	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.DialOptions()...), metadata)
-}
-
-// DialContextWithDialer implements C.ProxyAdapter
-func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
-	if len(v.option.DialerProxy) > 0 {
-		dialer, err = proxydialer.NewByName(v.option.DialerProxy, dialer)
-		if err != nil {
-			return nil, err
-		}
-	}
-	c, err := dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -343,38 +317,11 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata) (
 	}
 	var c net.Conn
 	// gun transport
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		c, err = gun.StreamGunWithTransport(v.gunTransport, v.gunConfig)
-		if err != nil {
+	} else {
-			return nil, err
+		c, err = v.dialer.DialContext(ctx, "tcp", v.addr)
-		}
-		defer func(c net.Conn) {
-			safeConnClose(c, err)
-		}(c)
-
-		c, err = v.streamConnContext(ctx, c, metadata)
-		if err != nil {
-			return nil, fmt.Errorf("new vmess client error: %v", err)
-		}
-		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)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
@@ -389,11 +336,6 @@ 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()
@@ -403,8 +345,8 @@ func (v *Vmess) ProxyInfo() C.ProxyInfo {
 
 // Close implements C.ProxyAdapter
 func (v *Vmess) Close() error {
-	if v.transport != nil {
+	if v.gunTransport != nil {
-		return v.transport.Close()
+		return v.gunTransport.Close()
 	}
 	return nil
 }
@@ -456,17 +398,19 @@ 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 +429,7 @@ 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())
 			}
@@ -501,37 +437,35 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 
 		gunConfig := &gun.Config{
-			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
+			ServiceName: option.GrpcOpts.GrpcServiceName,
-			Host:              v.option.ServerName,
+			UserAgent:   option.GrpcOpts.GrpcUserAgent,
-			ClientFingerprint: v.option.ClientFingerprint,
+			Host:        option.ServerName,
 		}
 		if option.ServerName == "" {
 			gunConfig.Host = v.addr
 		}
-		var tlsConfig *tls.Config
+		var tlsConfig *mihomoVMess.TLSConfig
 		if option.TLS {
-			tlsConfig, err = ca.GetTLSConfig(ca.Option{
+			tlsConfig = &mihomoVMess.TLSConfig{
-				TLSConfig: &tls.Config{
+				Host:              option.ServerName,
-					InsecureSkipVerify: v.option.SkipCertVerify,
+				SkipCertVerify:    option.SkipCertVerify,
-					ServerName:         v.option.ServerName,
+				FingerPrint:       option.Fingerprint,
-				},
+				Certificate:       option.Certificate,
-				Fingerprint: v.option.Fingerprint,
+				PrivateKey:        option.PrivateKey,
-				Certificate: v.option.Certificate,
+				ClientFingerprint: option.ClientFingerprint,
-				PrivateKey:  v.option.PrivateKey,
+				NextProtos:        []string{"h2"},
-			})
+				ECH:               v.echConfig,
-			if err != nil {
+				Reality:           v.realityConfig,
-				return nil, err
 			}
 			if option.ServerName == "" {
 				host, _, _ := net.SplitHostPort(v.addr)
-				tlsConfig.ServerName = host
+				tlsConfig.Host = host
 			}
 		}
 
-		v.gunTLSConfig = tlsConfig
 		v.gunConfig = gunConfig
 
-		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig, v.option.ClientFingerprint, v.echConfig, v.realityConfig)
+		v.gunTransport = gun.NewHTTP2Client(dialFn, tlsConfig)
 	}
 
 	return v, nil

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
@@ -78,8 +77,8 @@ type WireGuardOption struct {
 }
 
 type WireGuardPeerOption struct {
-	Server       string   `proxy:"server"`
+	Server       string   `proxy:"server,omitempty"`
-	Port         int      `proxy:"port"`
+	Port         int      `proxy:"port,omitempty"`
 	PublicKey    string   `proxy:"public-key,omitempty"`
 	PreSharedKey string   `proxy:"pre-shared-key,omitempty"`
 	Reserved     []uint8  `proxy:"reserved,omitempty"`
@@ -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.NewSingDialer(proxydialer.NewSlowDownDialer(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
 			}
@@ -273,7 +272,7 @@ func (gb *GroupBase) onDialFailed(adapterType C.AdapterType, err error, fn func(
 
 			log.Debugln("ProxyGroup: %s failed count: %d", gb.Name(), gb.failedTimes)
 			if gb.failedTimes >= gb.maxFailedTimes {
-				log.Warnln("because %s failed multiple times, active health check", gb.Name())
+				log.Warnln("because %s failed multiple times, activate health check", gb.Name())
 				fn()
 			}
 		}

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"
 )
 
@@ -42,13 +42,9 @@ type GroupCommonOption struct {
 	IncludeAllProviders bool     `group:"include-all-providers,omitempty"`
 	Hidden              bool     `group:"hidden,omitempty"`
 	Icon                string   `group:"icon,omitempty"`
-
-	// removed configs, only for error logging
-	Interface   string `group:"interface-name,omitempty"`
-	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{
@@ -62,16 +58,19 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 		return nil, errFormat
 	}
 
-	if groupOption.RoutingMark != 0 {
+	if _, ok := config["routing-mark"]; ok {
 		log.Errorln("The group [%s] with routing-mark configuration was removed, please set it directly on the proxy instead", groupOption.Name)
 	}
-	if groupOption.Interface != "" {
+	if _, ok := config["interface-name"]; ok {
 		log.Errorln("The group [%s] with interface-name configuration was removed, please set it directly on the proxy instead", groupOption.Name)
 	}
+	if _, ok := config["dialer-proxy"]; ok {
+		log.Errorln("The group [%s] with dialer-proxy configuration is not allowed, please set it directly on the proxy instead", groupOption.Name)
+	}
 
 	groupName := groupOption.Name
 
-	providers := []types.ProxyProvider{}
+	providers := []P.ProxyProvider{}
 
 	if groupOption.IncludeAll {
 		groupOption.IncludeAllProviders = true
@@ -169,7 +168,7 @@ 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 +185,7 @@ 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 +205,15 @@ 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 +221,7 @@ 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 +8,171 @@ 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)
+	case "masque":
+		masqueOption := &outbound.MasqueOption{BasicOption: basicOption}
+		err = decoder.Decode(mapping, masqueOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewMasque(*masqueOption)
+	case "trusttunnel":
+		trustTunnelOption := &outbound.TrustTunnelOption{BasicOption: basicOption}
+		err = decoder.Decode(mapping, trustTunnelOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewTrustTunnel(*trustTunnelOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}
@@ -177,3 +198,30 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 	proxy = outbound.NewAutoCloseProxyAdapter(proxy)
 	return NewProxy(proxy), nil
 }
+
+type proxyOption struct {
+	DialerForAPI C.Dialer
+	ProviderName string
+}
+
+func applyProxyOptions(options ...ProxyOption) proxyOption {
+	opt := proxyOption{}
+	for _, o := range options {
+		o(&opt)
+	}
+	return opt
+}
+
+type ProxyOption func(opt *proxyOption)
+
+func WithDialerForAPI(dialer C.Dialer) ProxyOption {
+	return func(opt *proxyOption) {
+		opt.DialerForAPI = dialer
+	}
+}
+
+func WithProviderName(name string) ProxyOption {
+	return func(opt *proxyOption) {
+		opt.ProviderName = name
+	}
+}

adapter/provider/override.go

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

adapter/provider/parser.go

@@ -1,7 +1,6 @@
 package provider
 
 import (
-	"encoding"
 	"errors"
 	"fmt"
 	"time"
@@ -10,9 +9,7 @@ import (
 	"github.com/metacubex/mihomo/common/utils"
 	"github.com/metacubex/mihomo/component/resource"
 	C "github.com/metacubex/mihomo/constant"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
-
-	"github.com/dlclark/regexp2"
 )
 
 var (
@@ -28,33 +25,6 @@ type healthCheckSchema struct {
 	ExpectedStatus string `provider:"expected-status,omitempty"`
 }
 
-type OverrideProxyNameSchema struct {
-	// matching expression for regex replacement
-	Pattern *regexp2.Regexp `provider:"pattern"`
-	// the new content after regex matching
-	Target string `provider:"target"`
-}
-
-var _ encoding.TextUnmarshaler = (*regexp2.Regexp)(nil) // ensure *regexp2.Regexp can decode direct by structure package
-
-type OverrideSchema struct {
-	TFO              *bool   `provider:"tfo,omitempty"`
-	MPTcp            *bool   `provider:"mptcp,omitempty"`
-	UDP              *bool   `provider:"udp,omitempty"`
-	UDPOverTCP       *bool   `provider:"udp-over-tcp,omitempty"`
-	Up               *string `provider:"up,omitempty"`
-	Down             *string `provider:"down,omitempty"`
-	DialerProxy      *string `provider:"dialer-proxy,omitempty"`
-	SkipCertVerify   *bool   `provider:"skip-cert-verify,omitempty"`
-	Interface        *string `provider:"interface-name,omitempty"`
-	RoutingMark      *int    `provider:"routing-mark,omitempty"`
-	IPVersion        *string `provider:"ip-version,omitempty"`
-	AdditionalPrefix *string `provider:"additional-prefix,omitempty"`
-	AdditionalSuffix *string `provider:"additional-suffix,omitempty"`
-
-	ProxyName []OverrideProxyNameSchema `provider:"proxy-name,omitempty"`
-}
-
 type proxyProviderSchema struct {
 	Type          string           `provider:"type"`
 	Path          string           `provider:"path,omitempty"`
@@ -69,11 +39,11 @@ type proxyProviderSchema struct {
 	Payload       []map[string]any `provider:"payload,omitempty"`
 
 	HealthCheck healthCheckSchema   `provider:"health-check,omitempty"`
-	Override    OverrideSchema      `provider:"override,omitempty"`
+	Override    overrideSchema      `provider:"override,omitempty"`
 	Header      map[string][]string `provider:"header,omitempty"`
 }
 
-func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvider, error) {
+func ParseProxyProvider(name string, mapping map[string]any) (P.ProxyProvider, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
 
 	schema := &proxyProviderSchema{
@@ -99,12 +69,12 @@ 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

@@ -4,23 +4,23 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net/http"
-	"reflect"
 	"runtime"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/metacubex/mihomo/adapter"
 	"github.com/metacubex/mihomo/common/convert"
 	"github.com/metacubex/mihomo/common/utils"
+	"github.com/metacubex/mihomo/common/yaml"
 	"github.com/metacubex/mihomo/component/profile/cachefile"
 	"github.com/metacubex/mihomo/component/resource"
 	C "github.com/metacubex/mihomo/constant"
-	types "github.com/metacubex/mihomo/constant/provider"
+	P "github.com/metacubex/mihomo/constant/provider"
 	"github.com/metacubex/mihomo/tunnel/statistic"
 
 	"github.com/dlclark/regexp2"
-	"gopkg.in/yaml.v3"
+	"github.com/metacubex/http"
 )
 
 const (
@@ -43,6 +43,7 @@ type providerForApi struct {
 }
 
 type baseProvider struct {
+	mutex       sync.RWMutex
 	name        string
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
@@ -54,6 +55,8 @@ func (bp *baseProvider) Name() string {
 }
 
 func (bp *baseProvider) Version() uint32 {
+	bp.mutex.RLock()
+	defer bp.mutex.RUnlock()
 	return bp.version
 }
 
@@ -68,15 +71,19 @@ func (bp *baseProvider) HealthCheck() {
 	bp.healthCheck.check()
 }
 
-func (bp *baseProvider) Type() types.ProviderType {
+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 +100,8 @@ func (bp *baseProvider) RegisterHealthCheckTask(url string, expectedStatus utils
 }
 
 func (bp *baseProvider) setProxies(proxies []C.Proxy) {
+	bp.mutex.Lock()
+	defer bp.mutex.Unlock()
 	bp.proxies = proxies
 	bp.version += 1
 	bp.healthCheck.setProxies(proxies)
@@ -156,7 +165,7 @@ func (pp *proxySetProvider) Initial() error {
 
 func (pp *proxySetProvider) closeAllConnections() {
 	statistic.DefaultManager.Range(func(c statistic.Tracker) bool {
-		for _, chain := range c.Chains() {
+		for _, chain := range c.ProviderChains() {
 			if chain == pp.Name() {
 				_ = c.Close()
 				break
@@ -171,7 +180,7 @@ func (pp *proxySetProvider) Close() error {
 	return pp.Fetcher.Close()
 }
 
-func NewProxySetProvider(name string, interval time.Duration, payload []map[string]any, parser resource.Parser[[]C.Proxy], vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
+func NewProxySetProvider(name string, interval time.Duration, payload []map[string]any, parser resource.Parser[[]C.Proxy], vehicle P.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
 	pd := &proxySetProvider{
 		baseProvider: baseProvider{
 			name:        name,
@@ -238,8 +247,8 @@ func (ip *inlineProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (ip *inlineProvider) VehicleType() types.VehicleType {
+func (ip *inlineProvider) VehicleType() P.VehicleType {
-	return types.Inline
+	return P.Inline
 }
 
 func (ip *inlineProvider) Update() error {
@@ -303,8 +312,8 @@ func (cp *compatibleProvider) Update() error {
 	return nil
 }
 
-func (cp *compatibleProvider) VehicleType() types.VehicleType {
+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 +339,7 @@ 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, "|")
@@ -419,36 +428,12 @@ func NewProxiesParser(filter string, excludeFilter string, excludeType string, d
 					mapping["dialer-proxy"] = dialerProxy
 				}
 
-				val := reflect.ValueOf(override)
+				err := override.Apply(mapping)
-				for i := 0; i < val.NumField(); i++ {
+				if err != nil {
-					field := val.Field(i)
+					return nil, fmt.Errorf("proxy %d override error: %w", idx, err)
-					if field.IsNil() {
-						continue
-					}
-					fieldName := strings.Split(val.Type().Field(i).Tag.Get("provider"), ",")[0]
-					switch fieldName {
-					case "additional-prefix":
-						name := mapping["name"].(string)
-						mapping["name"] = *field.Interface().(*string) + name
-					case "additional-suffix":
-						name := mapping["name"].(string)
-						mapping["name"] = name + *field.Interface().(*string)
-					case "proxy-name":
-						// Iterate through all naming replacement rules and perform the replacements.
-						for _, expr := range override.ProxyName {
-							name := mapping["name"].(string)
-							newName, err := expr.Pattern.Replace(name, expr.Target, 0, -1)
-							if err != nil {
-								return nil, fmt.Errorf("proxy name replace error: %w", err)
-							}
-							mapping["name"] = newName
-						}
-					default:
-						mapping[fieldName] = field.Elem().Interface()
-					}
 				}
 
-				proxy, err := adapter.ParseProxy(mapping)
+				proxy, err := adapter.ParseProxy(mapping, adapter.WithProviderName(pdName))
 				if err != nil {
 					return nil, fmt.Errorf("proxy %d error: %w", idx, err)
 				}

android_tz.go

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

common/buf/sing.go

@@ -1,7 +1,6 @@
 package buf
 
 import (
-	"github.com/metacubex/sing/common"
 	"github.com/metacubex/sing/common/buf"
 )
 
@@ -9,14 +8,52 @@ const BufferSize = buf.BufferSize
 
 type Buffer = buf.Buffer
 
-var New = buf.New
+func New() *Buffer {
-var NewPacket = buf.NewPacket
+	return buf.New()
-var NewSize = buf.NewSize
+}
-var With = buf.With
-var As = buf.As
-var ReleaseMulti = buf.ReleaseMulti
 
-var (
+func NewPacket() *Buffer {
-	Must  = common.Must
+	return buf.NewPacket()
-	Error = common.Error
+}
-)
+
+func NewSize(size int) *Buffer {
+	return buf.NewSize(size)
+}
+
+func With(data []byte) *Buffer {
+	return buf.With(data)
+}
+
+func As(data []byte) *Buffer {
+	return buf.As(data)
+}
+
+func ReleaseMulti(buffers []*Buffer) {
+	buf.ReleaseMulti(buffers)
+}
+
+func Error(_ any, err error) error {
+	return err
+}
+
+func Must(errs ...error) {
+	for _, err := range errs {
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
+func Must1[T any](result T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return result
+}
+
+func Must2[T any, T2 any](result T, result2 T2, err error) (T, T2) {
+	if err != nil {
+		panic(err)
+	}
+	return result, result2
+}

common/convert/converter.go

@@ -201,6 +201,10 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				trojan["client-fingerprint"] = fingerprint
 			}
 
+			if pcs := query.Get("pcs"); pcs != "" {
+				trojan["fingerprint"] = pcs
+			}
+
 			proxies = append(proxies, trojan)
 
 		case "vless":

common/convert/util.go

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

common/convert/v.go

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

common/deque/deque.go

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

common/maphash/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

common/net/websocket.go

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

common/orderedmap/doc.go

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

common/orderedmap/json.go

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

common/orderedmap/json_fuzz_test.go

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

common/orderedmap/json_test.go

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

common/orderedmap/orderedmap.go

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

common/orderedmap/orderedmap_test.go

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

common/orderedmap/utils_test.go

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

common/orderedmap/yaml.go

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

common/orderedmap/yaml_fuzz_test.go

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

common/orderedmap/yaml_test.go

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

common/structure/structure.go

@@ -7,6 +7,7 @@ import (
 	"encoding/base64"
 	"fmt"
 	"reflect"
+	"sort"
 	"strconv"
 	"strings"
 )
@@ -38,52 +39,7 @@ func (d *Decoder) Decode(src map[string]any, dst any) error {
 	if reflect.TypeOf(dst).Kind() != reflect.Ptr {
 		return fmt.Errorf("decode must recive a ptr struct")
 	}
-	t := reflect.TypeOf(dst).Elem()
+	return d.decode("", src, reflect.ValueOf(dst).Elem())
-	v := reflect.ValueOf(dst).Elem()
-	for idx := 0; idx < v.NumField(); idx++ {
-		field := t.Field(idx)
-		if field.Anonymous {
-			if err := d.decodeStruct(field.Name, src, v.Field(idx)); err != nil {
-				return err
-			}
-			continue
-		}
-
-		tag := field.Tag.Get(d.option.TagName)
-		key, omitKey, found := strings.Cut(tag, ",")
-		omitempty := found && omitKey == "omitempty"
-
-		value, ok := src[key]
-		if !ok {
-			if d.option.KeyReplacer != nil {
-				key = d.option.KeyReplacer.Replace(key)
-			}
-
-			for _strKey := range src {
-				strKey := _strKey
-				if d.option.KeyReplacer != nil {
-					strKey = d.option.KeyReplacer.Replace(strKey)
-				}
-				if strings.EqualFold(key, strKey) {
-					value = src[_strKey]
-					ok = true
-					break
-				}
-			}
-		}
-		if !ok || value == nil {
-			if omitempty {
-				continue
-			}
-			return fmt.Errorf("key '%s' missing", key)
-		}
-
-		err := d.decode(key, value, v.Field(idx))
-		if err != nil {
-			return err
-		}
-	}
-	return nil
 }
 
 // isNil returns true if the input is nil or a typed nil pointer.
@@ -283,7 +239,7 @@ 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'",
@@ -450,6 +406,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		dataValKeysUnused[dataValKey.Interface()] = struct{}{}
 	}
 
+	targetValKeysUnused := make(map[any]struct{})
 	errors := make([]string, 0)
 
 	// This slice will keep track of all the structs we'll be decoding.
@@ -464,6 +421,11 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		field reflect.StructField
 		val   reflect.Value
 	}
+
+	// remainField is set to a valid field set with the "remain" tag if
+	// we are keeping track of remaining values.
+	var remainField *field
+
 	var fields []field
 	for len(structs) > 0 {
 		structVal := structs[0]
@@ -473,30 +435,47 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 
 		for i := 0; i < structType.NumField(); i++ {
 			fieldType := structType.Field(i)
-			fieldKind := fieldType.Type.Kind()
+			fieldVal := structVal.Field(i)
+			if fieldVal.Kind() == reflect.Ptr && fieldVal.Elem().Kind() == reflect.Struct {
+				// Handle embedded struct pointers as embedded structs.
+				fieldVal = fieldVal.Elem()
+			}
 
 			// If "squash" is specified in the tag, we squash the field down.
-			squash := false
+			squash := fieldVal.Kind() == reflect.Struct && fieldType.Anonymous
+			remain := false
+
+			// We always parse the tags cause we're looking for other tags too
 			tagParts := strings.Split(fieldType.Tag.Get(d.option.TagName), ",")
 			for _, tag := range tagParts[1:] {
 				if tag == "squash" {
 					squash = true
 					break
 				}
+
+				if tag == "remain" {
+					remain = true
+					break
+				}
 			}
 
 			if squash {
-				if fieldKind != reflect.Struct {
+				if fieldVal.Kind() != reflect.Struct {
 					errors = append(errors,
-						fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldKind).Error())
+						fmt.Errorf("%s: unsupported type for squash: %s", fieldType.Name, fieldVal.Kind()).Error())
 				} else {
-					structs = append(structs, structVal.FieldByName(fieldType.Name))
+					structs = append(structs, fieldVal)
 				}
 				continue
 			}
 
-			// Normal struct field, store it away
+			// Build our field
-			fields = append(fields, field{fieldType, structVal.Field(i)})
+			if remain {
+				remainField = &field{fieldType, fieldVal}
+			} else {
+				// Normal struct field, store it away
+				fields = append(fields, field{fieldType, fieldVal})
+			}
 		}
 	}
 
@@ -505,12 +484,23 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		field, fieldValue := f.field, f.val
 		fieldName := field.Name
 
-		tagValue := field.Tag.Get(d.option.TagName)
+		tagParts := strings.Split(field.Tag.Get(d.option.TagName), ",")
-		tagValue = strings.SplitN(tagValue, ",", 2)[0]
+		tagValue := tagParts[0]
 		if tagValue != "" {
 			fieldName = tagValue
 		}
 
+		if tagValue == "-" {
+			continue
+		}
+
+		omitempty := false
+		for _, tag := range tagParts[1:] {
+			if tag == "omitempty" {
+				omitempty = true
+			}
+		}
+
 		rawMapKey := reflect.ValueOf(fieldName)
 		rawMapVal := dataVal.MapIndex(rawMapKey)
 		if !rawMapVal.IsValid() {
@@ -538,7 +528,10 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 
 			if !rawMapVal.IsValid() {
 				// There was no matching key in the map for the value in
-				// the struct. Just ignore.
+				// the struct. Remember it for potential errors and metadata.
+				if !omitempty {
+					targetValKeysUnused[fieldName] = struct{}{}
+				}
 				continue
 			}
 		}
@@ -560,7 +553,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		// If the name is empty string, then we're at the root, and we
 		// don't dot-join the fields.
 		if name != "" {
-			fieldName = fmt.Sprintf("%s.%s", name, fieldName)
+			fieldName = name + "." + fieldName
 		}
 
 		if err := d.decode(fieldName, rawMapVal.Interface(), fieldValue); err != nil {
@@ -568,6 +561,36 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		}
 	}
 
+	// If we have a "remain"-tagged field and we have unused keys then
+	// we put the unused keys directly into the remain field.
+	if remainField != nil && len(dataValKeysUnused) > 0 {
+		// Build a map of only the unused values
+		remain := map[interface{}]interface{}{}
+		for key := range dataValKeysUnused {
+			remain[key] = dataVal.MapIndex(reflect.ValueOf(key)).Interface()
+		}
+
+		// Decode it as-if we were just decoding this map onto our map.
+		if err := d.decodeMap(name, remain, remainField.val); err != nil {
+			errors = append(errors, err.Error())
+		}
+
+		// Set the map to nil so we have none so that the next check will
+		// not error (ErrorUnused)
+		dataValKeysUnused = nil
+	}
+
+	if len(targetValKeysUnused) > 0 {
+		keys := make([]string, 0, len(targetValKeysUnused))
+		for rawKey := range targetValKeysUnused {
+			keys = append(keys, rawKey.(string))
+		}
+		sort.Strings(keys)
+
+		err := fmt.Errorf("'%s' has unset fields: %s", name, strings.Join(keys, ", "))
+		errors = append(errors, err.Error())
+	}
+
 	if len(errors) > 0 {
 		return fmt.Errorf(strings.Join(errors, ","))
 	}

common/structure/structure_test.go

@@ -139,6 +139,49 @@ func TestStructure_Nest(t *testing.T) {
 	assert.Equal(t, s.BazOptional, goal)
 }
 
+func TestStructure_DoubleNest(t *testing.T) {
+	rawMap := map[string]any{
+		"bar": map[string]any{
+			"foo": 1,
+		},
+	}
+
+	goal := BazOptional{
+		Foo: 1,
+	}
+
+	s := &struct {
+		Bar struct {
+			BazOptional
+		} `test:"bar"`
+	}{}
+	err := decoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.Bar.BazOptional, goal)
+}
+
+func TestStructure_Remain(t *testing.T) {
+	rawMap := map[string]any{
+		"foo":   1,
+		"bar":   "test",
+		"extra": false,
+	}
+
+	goal := &Baz{
+		Foo: 1,
+		Bar: "test",
+	}
+
+	s := &struct {
+		Baz
+		Remain map[string]any `test:",remain"`
+	}{}
+	err := decoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Equal(t, *goal, s.Baz)
+	assert.Equal(t, map[string]any{"extra": false}, s.Remain)
+}
+
 func TestStructure_SliceNilValue(t *testing.T) {
 	rawMap := map[string]any{
 		"foo": 1,
@@ -228,6 +271,23 @@ func TestStructure_Pointer(t *testing.T) {
 	assert.Nil(t, s.Bar)
 }
 
+func TestStructure_PointerStruct(t *testing.T) {
+	rawMap := map[string]any{
+		"foo": "foo",
+	}
+
+	s := &struct {
+		Foo *string `test:"foo,omitempty"`
+		Bar *Baz    `test:"bar,omitempty"`
+	}{}
+
+	err := decoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.NotNil(t, s.Foo)
+	assert.Equal(t, "foo", *s.Foo)
+	assert.Nil(t, s.Bar)
+}
+
 type num struct {
 	a int
 }
@@ -288,3 +348,47 @@ func TestStructure_Null(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, s.Opt.Bar, "")
 }
+
+func TestStructure_Ignore(t *testing.T) {
+	rawMap := map[string]any{
+		"-": "newData",
+	}
+
+	s := struct {
+		MustIgnore string `test:"-"`
+	}{MustIgnore: "oldData"}
+
+	err := decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+
+	// test omitempty
+	delete(rawMap, "-")
+	err = decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+}
+
+func TestStructure_IgnoreInNest(t *testing.T) {
+	rawMap := map[string]any{
+		"-": "newData",
+	}
+
+	type TP struct {
+		MustIgnore string `test:"-"`
+	}
+
+	s := struct {
+		TP
+	}{TP{MustIgnore: "oldData"}}
+
+	err := decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+
+	// test omitempty
+	delete(rawMap, "-")
+	err = decoder.Decode(rawMap, &s)
+	assert.Nil(t, err)
+	assert.Equal(t, s.MustIgnore, "oldData")
+}

common/xsync/map.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")

common/yaml/yaml.go

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

component/ca/auth.go

@@ -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
@@ -98,20 +98,27 @@ func GetTLSConfig(opt Option) (tlsConfig *tls.Config, err error) {
 	}
 
 	if len(opt.Fingerprint) > 0 {
-		tlsConfig.VerifyPeerCertificate, err = NewFingerprintVerifier(opt.Fingerprint, tlsConfig.Time)
+		verifier, err := NewFingerprintVerifier(opt.Fingerprint, tlsConfig.Time)
 		if err != nil {
 			return nil, err
 		}
+		tlsConfig.VerifyConnection = func(state tls.ConnectionState) error {
+			// [ConnectionState.ServerName] can return the actual ServerName needed for verification,
+			// avoiding inconsistencies caused by [tlsConfig.ServerName] being modified after the [NewFingerprintVerifier] call.
+			// https://github.com/golang/go/issues/36736#issuecomment-587925536
+			return verifier(state.PeerCertificates, state.ServerName)
+		}
 		tlsConfig.InsecureSkipVerify = true
 	}
 
 	if len(opt.Certificate) > 0 || len(opt.PrivateKey) > 0 {
-		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/fingerprint.go

@@ -11,7 +11,7 @@ import (
 )
 
 // NewFingerprintVerifier returns a function that verifies whether a certificate's SHA-256 fingerprint matches the given one.
-func NewFingerprintVerifier(fingerprint string, time func() time.Time) (func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error, error) {
+func NewFingerprintVerifier(fingerprint string, time func() time.Time) (func(certs []*x509.Certificate, serverName string) error, error) {
 	switch fingerprint {
 	case "chrome", "firefox", "safari", "ios", "android", "edge", "360", "qq", "random", "randomized": // WTF???
 		return nil, fmt.Errorf("`fingerprint` is used for TLS certificate pinning. If you need to specify the browser fingerprint, use `client-fingerprint`")
@@ -26,37 +26,24 @@ func NewFingerprintVerifier(fingerprint string, time func() time.Time) (func(raw
 		return nil, fmt.Errorf("fingerprint string length error,need sha256 fingerprint")
 	}
 
-	return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	return func(certs []*x509.Certificate, serverName string) error {
 		// ssl pining
-		for i, rawCert := range rawCerts {
+		for i, cert := range certs {
-			hash := sha256.Sum256(rawCert)
+			hash := sha256.Sum256(cert.Raw)
 			if bytes.Equal(fpByte, hash[:]) {
 				if i > 0 {
-
 					// When the fingerprint matches a non-leaf certificate,
 					// the certificate chain validity is verified using the certificate as the trusted root certificate.
-					//
-					// Currently, we do not verify that the SNI matches the certificate's DNS name,
-					// but we do verify the validity of the child certificate,
-					// including the issuance time and whether the child certificate was issued by the parent certificate.
-
-					certs := make([]*x509.Certificate, i+1) // stop at i
-					for j := range certs {
-						cert, err := x509.ParseCertificate(rawCerts[j])
-						if err != nil {
-							return err
-						}
-						certs[j] = cert
-					}
 					opts := x509.VerifyOptions{
 						Roots:         x509.NewCertPool(),
 						Intermediates: x509.NewCertPool(),
+						DNSName:       serverName,
 					}
 					if time != nil {
 						opts.CurrentTime = time()
 					}
 					opts.Roots.AddCert(certs[i])
-					for _, cert := range certs[1:] {
+					for _, cert := range certs[1 : i+1] { // stop at i
 						opts.Intermediates.AddCert(cert)
 					}
 					_, err := certs[0].Verify(opts)

component/ca/fingerprint_test.go

@@ -1,6 +1,7 @@
 package ca
 
 import (
+	"crypto/x509"
 	"encoding/pem"
 	"testing"
 	"time"
@@ -10,90 +11,203 @@ import (
 )
 
 func TestFingerprintVerifierLeaf(t *testing.T) {
-	leafFingerprint := CalculateFingerprint(leafPEM.Bytes)
+	leafFingerprint := CalculateFingerprint(leafCert.Raw)
-	verifier, err := NewFingerprintVerifier(leafFingerprint, func() time.Time {
+	verifier, err := NewFingerprintVerifier(leafFingerprint, certTime)
-		return time.Unix(1677615892, 0)
-	})
 	require.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, smimeIntermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafWithInvalidHashPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 }
 
 func TestFingerprintVerifierIntermediate(t *testing.T) {
-	intermediateFingerprint := CalculateFingerprint(intermediatePEM.Bytes)
+	intermediateFingerprint := CalculateFingerprint(intermediateCert.Raw)
-	verifier, err := NewFingerprintVerifier(intermediateFingerprint, func() time.Time {
+	verifier, err := NewFingerprintVerifier(intermediateFingerprint, certTime)
-		return time.Unix(1677615892, 0)
-	})
 	require.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, smimeIntermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
-	assert.Error(t, err)
-
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafWithInvalidHashPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 }
 
 func TestFingerprintVerifierRoot(t *testing.T) {
-	rootFingerprint := CalculateFingerprint(rootPEM.Bytes)
+	rootFingerprint := CalculateFingerprint(rootCert.Raw)
-	verifier, err := NewFingerprintVerifier(rootFingerprint, func() time.Time {
+	verifier, err := NewFingerprintVerifier(rootFingerprint, certTime)
-		return time.Unix(1677615892, 0)
-	})
 	require.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, "")
 	assert.NoError(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, smimeIntermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, leafServerName)
+	assert.NoError(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, rootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 
-	err = verifier([][]byte{leafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, "")
 	assert.Error(t, err)
 
-	err = verifier([][]byte{leafWithInvalidHashPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, leafServerName)
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, rootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, smimeIntermediateCert, rootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 
-	err = verifier([][]byte{smimeLeafPEM.Bytes, intermediatePEM.Bytes, smimeRootPEM.Bytes}, nil)
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{leafWithInvalidHashCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, rootCert}, wrongLeafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, "")
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, leafServerName)
+	assert.Error(t, err)
+
+	err = verifier([]*x509.Certificate{smimeLeafCert, intermediateCert, smimeRootCert}, wrongLeafServerName)
 	assert.Error(t, err)
 }
 
 var rootPEM, _ = pem.Decode([]byte(gtsRoot))
+var rootCert, _ = x509.ParseCertificate(rootPEM.Bytes)
 var intermediatePEM, _ = pem.Decode([]byte(gtsIntermediate))
+var intermediateCert, _ = x509.ParseCertificate(intermediatePEM.Bytes)
 var leafPEM, _ = pem.Decode([]byte(googleLeaf))
+var leafCert, _ = x509.ParseCertificate(leafPEM.Bytes)
 var leafWithInvalidHashPEM, _ = pem.Decode([]byte(googleLeafWithInvalidHash))
+var leafWithInvalidHashCert, _ = x509.ParseCertificate(leafWithInvalidHashPEM.Bytes)
 var smimeRootPEM, _ = pem.Decode([]byte(smimeRoot))
+var smimeRootCert, _ = x509.ParseCertificate(smimeRootPEM.Bytes)
 var smimeIntermediatePEM, _ = pem.Decode([]byte(smimeIntermediate))
+var smimeIntermediateCert, _ = x509.ParseCertificate(smimeIntermediatePEM.Bytes)
 var smimeLeafPEM, _ = pem.Decode([]byte(smimeLeaf))
+var smimeLeafCert, _ = x509.ParseCertificate(smimeLeafPEM.Bytes)
+var certTime = func() time.Time { return time.Unix(1677615892, 0) }
+
+const leafServerName = "www.google.com"
+const wrongLeafServerName = "www.google.com.cn"
 
 const gtsIntermediate = `-----BEGIN CERTIFICATE-----
 MIIFljCCA36gAwIBAgINAgO8U1lrNMcY9QFQZjANBgkqhkiG9w0BAQsFADBHMQsw

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

@@ -12,25 +12,31 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/metacubex/mihomo/common/atomic"
 	"github.com/metacubex/mihomo/component/keepalive"
+	"github.com/metacubex/mihomo/component/mptcp"
 	"github.com/metacubex/mihomo/component/resolver"
 )
 
 const (
 	DefaultTCPTimeout = 5 * time.Second
 	DefaultUDPTimeout = DefaultTCPTimeout
-)
 
-type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error)
+	dualStackFallbackTimeout = 300 * time.Millisecond
+)
 
 var (
-	dialMux                      sync.Mutex
+	tcpConcurrent = atomic.NewBool(false)
-	actualSingleStackDialContext = serialSingleStackDialContext
-	actualDualStackDialContext   = serialDualStackDialContext
-	tcpConcurrent                = false
-	fallbackTimeout              = 300 * time.Millisecond
 )
 
+func SetTcpConcurrent(concurrent bool) {
+	tcpConcurrent.Store(concurrent)
+}
+
+func GetTcpConcurrent() bool {
+	return tcpConcurrent.Load()
+}
+
 func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
 	opt := applyOptions(options...)
 
@@ -49,11 +55,22 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 		return nil, err
 	}
 
+	tcpConcurrent := GetTcpConcurrent()
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
-		return actualSingleStackDialContext(ctx, network, ips, port, opt)
+		if tcpConcurrent {
+			return parallelDialContext(ctx, network, ips, port, opt)
+		}
+		return serialDialContext(ctx, network, ips, port, opt)
 	case "tcp", "udp":
-		return actualDualStackDialContext(ctx, network, ips, port, opt)
+		if tcpConcurrent {
+			if opt.prefer != 4 && opt.prefer != 6 {
+				return parallelDialContext(ctx, network, ips, port, opt)
+			}
+			return dualStackDialContext(ctx, parallelDialContext, network, ips, port, opt)
+		}
+		return dualStackDialContext(ctx, serialDialContext, network, ips, port, opt)
 	default:
 		return nil, ErrorInvalidedNetworkStack
 	}
@@ -103,25 +120,6 @@ func ListenPacket(ctx context.Context, network, address string, rAddrPort netip.
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func SetTcpConcurrent(concurrent bool) {
-	dialMux.Lock()
-	defer dialMux.Unlock()
-	tcpConcurrent = concurrent
-	if concurrent {
-		actualSingleStackDialContext = concurrentSingleStackDialContext
-		actualDualStackDialContext = concurrentDualStackDialContext
-	} else {
-		actualSingleStackDialContext = serialSingleStackDialContext
-		actualDualStackDialContext = serialDualStackDialContext
-	}
-}
-
-func GetTcpConcurrent() bool {
-	dialMux.Lock()
-	defer dialMux.Unlock()
-	return tcpConcurrent
-}
-
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt option) (net.Conn, error) {
 	var address string
 	destination, port = resolver.LookupIP4P(destination, port)
@@ -140,9 +138,7 @@ 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)
@@ -206,24 +202,7 @@ func ICMPControl(destination netip.Addr) func(network, address string, conn sysc
 	}
 }
 
-func serialSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
+type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error)
-	return serialDialContext(ctx, network, ips, port, opt)
-}
-
-func serialDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	return dualStackDialContext(ctx, serialDialContext, network, ips, port, opt)
-}
-
-func concurrentSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	return parallelDialContext(ctx, network, ips, port, opt)
-}
-
-func concurrentDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
-	if opt.prefer != 4 && opt.prefer != 6 {
-		return parallelDialContext(ctx, network, ips, port, opt)
-	}
-	return dualStackDialContext(ctx, parallelDialContext, network, ips, port, opt)
-}
 
 func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string, ips []netip.Addr, port string, opt option) (net.Conn, error) {
 	ipv4s, ipv6s := resolver.SortationAddr(ips)
@@ -232,7 +211,7 @@ func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string,
 	}
 
 	preferIPVersion := opt.prefer
-	fallbackTicker := time.NewTicker(fallbackTimeout)
+	fallbackTicker := time.NewTicker(dualStackFallbackTimeout)
 	defer fallbackTicker.Stop()
 
 	results := make(chan dialResult)

component/dialer/mptcp_go120.go

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

component/dialer/mptcp_go121.go

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

component/ech/ech.go

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

component/ech/echparser/echparser.go

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

component/ech/key.go

@@ -8,10 +8,13 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"runtime"
+	"sync"
 
-	"github.com/metacubex/mihomo/component/ca"
+	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":
@@ -57,6 +58,11 @@ func Main(args []string) {
 		fmt.Println("Seed: " + seedBase64)
 		fmt.Println("Client: " + clientBase64)
 		fmt.Println("Hash32: " + hash32Base64)
+		fmt.Println("-----------------------")
+		fmt.Println("      Lazy-Config      ")
+		fmt.Println("-----------------------")
+		fmt.Printf("[Server] decryption: \"mlkem768x25519plus.native.600s.%s\"\n", seedBase64)
+		fmt.Printf("[Client] encryption: \"mlkem768x25519plus.native.0rtt.%s\"\n", clientBase64)
 	case "vless-x25519":
 		var privateKey string
 		if len(args) > 1 {
@@ -69,5 +75,18 @@ func Main(args []string) {
 		fmt.Println("PrivateKey: " + privateKeyBase64)
 		fmt.Println("Password: " + passwordBase64)
 		fmt.Println("Hash32: " + hash32Base64)
+		fmt.Println("-----------------------")
+		fmt.Println("      Lazy-Config      ")
+		fmt.Println("-----------------------")
+		fmt.Printf("[Server] decryption: \"mlkem768x25519plus.native.600s.%s\"\n", privateKeyBase64)
+		fmt.Printf("[Client] encryption: \"mlkem768x25519plus.native.0rtt.%s\"\n", passwordBase64)
+	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 (
@@ -49,7 +50,7 @@ func HttpRequest(ctx context.Context, url, method string, header map[string][]st
 		}
 	}
 
-	if _, ok := header["User-Agent"]; !ok {
+	if req.Header.Get("User-Agent") == "" {
 		req.Header.Set("User-Agent", UA())
 	}
 

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
+}