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authorJason A. Donenfeld <Jason@zx2c4.com>2018-05-23 03:52:26 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2018-05-23 17:01:40 +0200
commit62dbeca7323e74d4e08a08a878f429ad0a050616 (patch)
tree75cd35a8fdd55f2890f02fd92c6b90c7e302f89d /app/tools/libwg-go/api-android.go
parenta533be82e8d889216bcc25b2aad35ca55f2822ff (diff)
libwg-go: use gopath
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'app/tools/libwg-go/api-android.go')
-rw-r--r--app/tools/libwg-go/api-android.go174
1 files changed, 0 insertions, 174 deletions
diff --git a/app/tools/libwg-go/api-android.go b/app/tools/libwg-go/api-android.go
deleted file mode 100644
index faf718ab..00000000
--- a/app/tools/libwg-go/api-android.go
+++ /dev/null
@@ -1,174 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
- *
- * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-package main
-
-// #cgo LDFLAGS: -llog
-// #include <android/log.h>
-import "C"
-
-import (
- "./rwcancel"
- "bufio"
- "golang.org/x/sys/unix"
- "io/ioutil"
- "log"
- "math"
- "os"
- "os/signal"
- "runtime"
- "strings"
- "unsafe"
-)
-
-type AndroidLogger struct {
- level C.int
- interfaceName string
-}
-
-func (l AndroidLogger) Write(p []byte) (int, error) {
- C.__android_log_write(l.level, C.CString("WireGuard/GoBackend/"+l.interfaceName), C.CString(string(p)))
- return len(p), nil
-}
-
-var tunnelHandles map[int32]*Device
-
-func init() {
- tunnelHandles = make(map[int32]*Device)
- signals := make(chan os.Signal)
- signal.Notify(signals, unix.SIGUSR2)
- go func() {
- buf := make([]byte, os.Getpagesize())
- for {
- select {
- case <-signals:
- n := runtime.Stack(buf, true)
- buf[n] = 0
- C.__android_log_write(C.ANDROID_LOG_ERROR, C.CString("WireGuard/GoBackend/Stacktrace"), (*_Ctype_char)(unsafe.Pointer(&buf[0])))
- }
- }
- }()
-}
-
-//export wgTurnOn
-func wgTurnOn(ifnameRef string, tun_fd int32, settings string) int32 {
- interfaceName := string([]byte(ifnameRef))
-
- logger := &Logger{
- Debug: log.New(&AndroidLogger{level: C.ANDROID_LOG_DEBUG, interfaceName: interfaceName}, "", 0),
- Info: log.New(&AndroidLogger{level: C.ANDROID_LOG_INFO, interfaceName: interfaceName}, "", 0),
- Error: log.New(&AndroidLogger{level: C.ANDROID_LOG_ERROR, interfaceName: interfaceName}, "", 0),
- }
-
- logger.Debug.Println("Debug log enabled")
-
- tun := &NativeTun{
- fd: os.NewFile(uintptr(tun_fd), "/dev/tun"),
- events: make(chan TUNEvent, 5),
- errors: make(chan error, 5),
- nopi: true,
- }
- var err error
-
- tun.fdCancel, err = rwcancel.NewRWCancel(int(tun_fd))
- if err != nil {
- unix.Close(int(tun_fd))
- logger.Error.Println(err)
- return -1
- }
- name, err := tun.Name()
- if err != nil {
- unix.Close(int(tun_fd))
- logger.Error.Println(err)
- return -1
- }
- logger.Info.Println("Attaching to interface", name)
- device := NewDevice(tun, logger)
- logger.Debug.Println("Interface has MTU", device.tun.mtu)
-
- bufferedSettings := bufio.NewReadWriter(bufio.NewReader(strings.NewReader(settings)), bufio.NewWriter(ioutil.Discard))
- setError := ipcSetOperation(device, bufferedSettings)
- if setError != nil {
- unix.Close(int(tun_fd))
- logger.Error.Println(setError)
- return -1
- }
-
- device.Up()
- logger.Info.Println("Device started")
-
- var i int32
- for i = 0; i < math.MaxInt32; i++ {
- if _, exists := tunnelHandles[i]; !exists {
- break
- }
- }
- if i == math.MaxInt32 {
- unix.Close(int(tun_fd))
- return -1
- }
- tunnelHandles[i] = device
- return i
-}
-
-//export wgTurnOff
-func wgTurnOff(tunnelHandle int32) {
- device, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return
- }
- delete(tunnelHandles, tunnelHandle)
- device.Close()
-}
-
-//export wgGetSocketV4
-func wgGetSocketV4(tunnelHandle int32) int32 {
- device, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return -1
- }
- native, ok := device.net.bind.(*NativeBind)
- if !ok {
- return -1
- }
- fd := int32(-1)
- conn, err := native.ipv4.SyscallConn()
- if err != nil {
- return -1
- }
- err = conn.Control(func(f uintptr) {
- fd = int32(f)
- })
- if err != nil {
- return -1
- }
- return fd
-}
-
-//export wgGetSocketV6
-func wgGetSocketV6(tunnelHandle int32) int32 {
- device, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return -1
- }
- native, ok := device.net.bind.(*NativeBind)
- if !ok {
- return -1
- }
- fd := int32(-1)
- conn, err := native.ipv6.SyscallConn()
- if err != nil {
- return -1
- }
- err = conn.Control(func(f uintptr) {
- fd = int32(f)
- })
- if err != nil {
- return -1
- }
- return fd
-}
-
-func main() {}