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Diffstat (limited to 'tun/wintun/wintun_windows.go')
-rw-r--r--tun/wintun/wintun_windows.go150
1 files changed, 0 insertions, 150 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
deleted file mode 100644
index 2fe26a7..0000000
--- a/tun/wintun/wintun_windows.go
+++ /dev/null
@@ -1,150 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
- */
-
-package wintun
-
-import (
- "log"
- "runtime"
- "syscall"
- "unsafe"
-
- "golang.org/x/sys/windows"
-)
-
-type loggerLevel int
-
-const (
- logInfo loggerLevel = iota
- logWarn
- logErr
-)
-
-const AdapterNameMax = 128
-
-type Adapter struct {
- handle uintptr
-}
-
-var (
- modwintun = newLazyDLL("wintun.dll", setupLogger)
- procWintunCreateAdapter = modwintun.NewProc("WintunCreateAdapter")
- procWintunOpenAdapter = modwintun.NewProc("WintunOpenAdapter")
- procWintunCloseAdapter = modwintun.NewProc("WintunCloseAdapter")
- procWintunDeleteDriver = modwintun.NewProc("WintunDeleteDriver")
- procWintunGetAdapterLUID = modwintun.NewProc("WintunGetAdapterLUID")
- procWintunGetRunningDriverVersion = modwintun.NewProc("WintunGetRunningDriverVersion")
-)
-
-type TimestampedWriter interface {
- WriteWithTimestamp(p []byte, ts int64) (n int, err error)
-}
-
-func logMessage(level loggerLevel, timestamp uint64, msg *uint16) int {
- if tw, ok := log.Default().Writer().(TimestampedWriter); ok {
- tw.WriteWithTimestamp([]byte(log.Default().Prefix()+windows.UTF16PtrToString(msg)), (int64(timestamp)-116444736000000000)*100)
- } else {
- log.Println(windows.UTF16PtrToString(msg))
- }
- return 0
-}
-
-func setupLogger(dll *lazyDLL) {
- var callback uintptr
- if runtime.GOARCH == "386" {
- callback = windows.NewCallback(func(level loggerLevel, timestampLow, timestampHigh uint32, msg *uint16) int {
- return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
- })
- } else if runtime.GOARCH == "arm" {
- callback = windows.NewCallback(func(level loggerLevel, _, timestampLow, timestampHigh uint32, msg *uint16) int {
- return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
- })
- } else if runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64" {
- callback = windows.NewCallback(logMessage)
- }
- syscall.Syscall(dll.NewProc("WintunSetLogger").Addr(), 1, callback, 0, 0)
-}
-
-func closeAdapter(wintun *Adapter) {
- syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
-}
-
-// CreateAdapter creates a Wintun adapter. name is the cosmetic name of the adapter.
-// tunnelType represents the type of adapter and should be "Wintun". requestedGUID is
-// the GUID of the created network adapter, which then influences NLA generation
-// deterministically. If it is set to nil, the GUID is chosen by the system at random,
-// and hence a new NLA entry is created for each new adapter.
-func CreateAdapter(name string, tunnelType string, requestedGUID *windows.GUID) (wintun *Adapter, err error) {
- var name16 *uint16
- name16, err = windows.UTF16PtrFromString(name)
- if err != nil {
- return
- }
- var tunnelType16 *uint16
- tunnelType16, err = windows.UTF16PtrFromString(tunnelType)
- if err != nil {
- return
- }
- r0, _, e1 := syscall.Syscall(procWintunCreateAdapter.Addr(), 3, uintptr(unsafe.Pointer(name16)), uintptr(unsafe.Pointer(tunnelType16)), uintptr(unsafe.Pointer(requestedGUID)))
- if r0 == 0 {
- err = e1
- return
- }
- wintun = &Adapter{handle: r0}
- runtime.SetFinalizer(wintun, closeAdapter)
- return
-}
-
-// OpenAdapter opens an existing Wintun adapter by name.
-func OpenAdapter(name string) (wintun *Adapter, err error) {
- var name16 *uint16
- name16, err = windows.UTF16PtrFromString(name)
- if err != nil {
- return
- }
- r0, _, e1 := syscall.Syscall(procWintunOpenAdapter.Addr(), 1, uintptr(unsafe.Pointer(name16)), 0, 0)
- if r0 == 0 {
- err = e1
- return
- }
- wintun = &Adapter{handle: r0}
- runtime.SetFinalizer(wintun, closeAdapter)
- return
-}
-
-// Close closes a Wintun adapter.
-func (wintun *Adapter) Close() (err error) {
- runtime.SetFinalizer(wintun, nil)
- r1, _, e1 := syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
- if r1 == 0 {
- err = e1
- }
- return
-}
-
-// Uninstall removes the driver from the system if no drivers are currently in use.
-func Uninstall() (err error) {
- r1, _, e1 := syscall.Syscall(procWintunDeleteDriver.Addr(), 0, 0, 0, 0)
- if r1 == 0 {
- err = e1
- }
- return
-}
-
-// RunningVersion returns the version of the loaded driver.
-func RunningVersion() (version uint32, err error) {
- r0, _, e1 := syscall.Syscall(procWintunGetRunningDriverVersion.Addr(), 0, 0, 0, 0)
- version = uint32(r0)
- if version == 0 {
- err = e1
- }
- return
-}
-
-// LUID returns the LUID of the adapter.
-func (wintun *Adapter) LUID() (luid uint64) {
- syscall.Syscall(procWintunGetAdapterLUID.Addr(), 2, uintptr(wintun.handle), uintptr(unsafe.Pointer(&luid)), 0)
- return
-}