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-rw-r--r--app/tools/libwg-go/src/api-android.go198
-rw-r--r--app/tools/libwg-go/src/jni.c59
-rw-r--r--app/tools/libwg-go/src/queueconstants.go16
-rw-r--r--app/tools/libwg-go/src/tun/api-android.go33
4 files changed, 0 insertions, 306 deletions
diff --git a/app/tools/libwg-go/src/api-android.go b/app/tools/libwg-go/src/api-android.go
deleted file mode 100644
index ddf175a..0000000
--- a/app/tools/libwg-go/src/api-android.go
+++ /dev/null
@@ -1,198 +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/tun"
- "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
- uapi net.Listener
-}
-
-var tunnelHandles map[int32]TunnelHandle
-
-func init() {
- 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 := &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.CreateTUNFromFD(int(tunFd))
- if err != nil {
- unix.Close(int(tunFd))
- 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)
-
- setError := ipcSetOperation(device, bufio.NewReader(strings.NewReader(settings)))
- if setError != nil {
- unix.Close(int(tunFd))
- logger.Error.Println(setError)
- return -1
- }
-
- var uapi net.Listener
-
- uapiFile, err := UAPIOpen(name)
- if err != nil {
- logger.Error.Println(err)
- } else {
- uapi, err = 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 ipcHandle(device, 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
- }
- native, ok := handle.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 {
- handle, ok := tunnelHandles[tunnelHandle]
- if !ok {
- return -1
- }
- native, ok := handle.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
-}
-
-//export wgVersion
-func wgVersion() *C.char {
- return C.CString(WireGuardGoVersion)
-}
-
-func main() {}
diff --git a/app/tools/libwg-go/src/jni.c b/app/tools/libwg-go/src/jni.c
deleted file mode 100644
index f6229a4..0000000
--- a/app/tools/libwg-go/src/jni.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* SPDX-License-Identifier: Apache-2.0
- *
- * Copyright © 2017-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-#include <jni.h>
-#include <stdlib.h>
-#include <string.h>
-
-struct go_string { const char *str; long n; };
-extern int wgTurnOn(struct go_string ifname, int tun_fd, struct go_string settings);
-extern void wgTurnOff(int handle);
-extern int wgGetSocketV4(int handle);
-extern int wgGetSocketV6(int handle);
-extern char *wgVersion();
-
-JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jstring settings)
-{
- const char *ifname_str = (*env)->GetStringUTFChars(env, ifname, 0);
- size_t ifname_len = (*env)->GetStringUTFLength(env, ifname);
- const char *settings_str = (*env)->GetStringUTFChars(env, settings, 0);
- size_t settings_len = (*env)->GetStringUTFLength(env, settings);
- int ret = wgTurnOn((struct go_string){
- .str = ifname_str,
- .n = ifname_len
- }, tun_fd, (struct go_string){
- .str = settings_str,
- .n = settings_len
- });
- (*env)->ReleaseStringUTFChars(env, ifname, ifname_str);
- (*env)->ReleaseStringUTFChars(env, settings, settings_str);
- return ret;
-}
-
-JNIEXPORT void JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOff(JNIEnv *env, jclass c, jint handle)
-{
- wgTurnOff(handle);
-}
-
-JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgGetSocketV4(JNIEnv *env, jclass c, jint handle)
-{
- return wgGetSocketV4(handle);
-}
-
-JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgGetSocketV6(JNIEnv *env, jclass c, jint handle)
-{
- return wgGetSocketV6(handle);
-}
-
-JNIEXPORT jstring JNICALL Java_com_wireguard_android_backend_GoBackend_wgVersion(JNIEnv *env, jclass c)
-{
- jstring ret;
- char *version = wgVersion();
- if (!version)
- return NULL;
- ret = (*env)->NewStringUTF(env, version);
- free(version);
- return ret;
-}
diff --git a/app/tools/libwg-go/src/queueconstants.go b/app/tools/libwg-go/src/queueconstants.go
deleted file mode 100644
index dd11bf1..0000000
--- a/app/tools/libwg-go/src/queueconstants.go
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0
- *
- * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
- */
-
-package main
-
-/* Reduce memory consumption for Android */
-
-const (
- QueueOutboundSize = 1024
- QueueInboundSize = 1024
- QueueHandshakeSize = 1024
- MaxSegmentSize = 2200
- PreallocatedBuffersPerPool = 4096
-)
diff --git a/app/tools/libwg-go/src/tun/api-android.go b/app/tools/libwg-go/src/tun/api-android.go
deleted file mode 100644
index 75e80c5..0000000
--- a/app/tools/libwg-go/src/tun/api-android.go
+++ /dev/null
@@ -1,33 +0,0 @@
-/* SPDX-License-Identifier: Apache-2.0
- *
- * Copyright (C) 2017-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
- */
-
-package tun
-
-import (
- "golang.zx2c4.com/wireguard/rwcancel"
- "os"
-)
-
-func CreateTUNFromFD(tunFd int) (TUNDevice, string, error) {
- file := os.NewFile(uintptr(tunFd), "/dev/tun")
- tun := &nativeTun{
- tunFile: file,
- fd: file.Fd(),
- 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 {
- return nil, "", err
- }
- name, err := tun.Name()
- if err != nil {
- tun.fdCancel.Cancel()
- return nil, "", err
- }
- return tun, name, nil
-}