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authorHarsh Shandilya <me@msfjarvis.dev>2020-03-09 19:00:14 +0530
committerHarsh Shandilya <me@msfjarvis.dev>2020-03-09 19:24:26 +0530
commitadc613d8011af7c508050badb1272e8326554c39 (patch)
tree4eadedc0767e1f4f482b7c22ec905329acab62a6 /app/tools/libwg-go/api-android.go
parentfd573f6c1c37bcfcd09237dfcd55e08b1e0eaff9 (diff)
Migrate tunnel related classes to tunnel/ Gradle module
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
Diffstat (limited to 'app/tools/libwg-go/api-android.go')
-rw-r--r--app/tools/libwg-go/api-android.go193
1 files changed, 0 insertions, 193 deletions
diff --git a/app/tools/libwg-go/api-android.go b/app/tools/libwg-go/api-android.go
deleted file mode 100644
index 7a393cae..00000000
--- a/app/tools/libwg-go/api-android.go
+++ /dev/null
@@ -1,193 +0,0 @@
-/* SPDX-License-Identifier: Apache-2.0
- *
- * Copyright (C) 2017-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-package main
-
-// #cgo LDFLAGS: -llog
-// #include <android/log.h>
-import "C"
-
-import (
- "bufio"
- "golang.org/x/sys/unix"
- "golang.zx2c4.com/wireguard/device"
- "golang.zx2c4.com/wireguard/ipc"
- "golang.zx2c4.com/wireguard/tun"
- "bytes"
- "log"
- "math"
- "net"
- "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
-}
-
-type TunnelHandle struct {
- device *device.Device
- uapi net.Listener
-}
-
-var tunnelHandles map[int32]TunnelHandle
-
-func init() {
- device.RoamingDisabled = true
- tunnelHandles = make(map[int32]TunnelHandle)
- 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"), (*C.char)(unsafe.Pointer(&buf[0])))
- }
- }
- }()
-}
-
-//export wgTurnOn
-func wgTurnOn(ifnameRef string, tunFd int32, settings string) int32 {
- interfaceName := string([]byte(ifnameRef))
-
- logger := &device.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, name, err := tun.CreateUnmonitoredTUNFromFD(int(tunFd))
- if err != nil {
- unix.Close(int(tunFd))
- logger.Error.Println(err)
- return -1
- }
-
- logger.Info.Println("Attaching to interface", name)
- device := device.NewDevice(tun, logger)
-
- setError := device.IpcSetOperation(bufio.NewReader(strings.NewReader(settings)))
- if setError != nil {
- unix.Close(int(tunFd))
- logger.Error.Println(setError)
- return -1
- }
-
- var uapi net.Listener
-
- uapiFile, err := ipc.UAPIOpen(name)
- if err != nil {
- logger.Error.Println(err)
- } else {
- uapi, err = ipc.UAPIListen(name, uapiFile)
- if err != nil {
- uapiFile.Close()
- logger.Error.Println(err)
- } else {
- go func() {
- for {
- conn, err := uapi.Accept()
- if err != nil {
- return
- }
- go device.IpcHandle(conn)
- }
- }()
- }
- }
-
- 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(tunFd))
- return -1
- }
- tunnelHandles[i] = TunnelHandle{device: device, uapi: uapi}
- return i
-}
-
-//export wgTurnOff
-func wgTurnOff(tunnelHandle int32) {
- handle, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return
- }
- delete(tunnelHandles, tunnelHandle)
- if handle.uapi != nil {
- handle.uapi.Close()
- }
- handle.device.Close()
-}
-
-//export wgGetSocketV4
-func wgGetSocketV4(tunnelHandle int32) int32 {
- handle, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return -1
- }
- fd, err := handle.device.PeekLookAtSocketFd4()
- if err != nil {
- return -1
- }
- return int32(fd)
-}
-
-//export wgGetSocketV6
-func wgGetSocketV6(tunnelHandle int32) int32 {
- handle, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return -1
- }
- fd, err := handle.device.PeekLookAtSocketFd6()
- if err != nil {
- return -1
- }
- return int32(fd)
-}
-
-//export wgGetConfig
-func wgGetConfig(tunnelHandle int32) *C.char {
- handle, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return nil
- }
- settings := new(bytes.Buffer)
- writer := bufio.NewWriter(settings)
- err := handle.device.IpcGetOperation(writer)
- if err != nil {
- return nil
- }
- writer.Flush()
- return C.CString(settings.String())
-}
-
-//export wgVersion
-func wgVersion() *C.char {
- return C.CString(device.WireGuardGoVersion)
-}
-
-func main() {}