diff options
| -rw-r--r-- | app/src/main/java/com/wireguard/android/backend/GoBackend.java | 13 | ||||
| -rw-r--r-- | app/tools/libwg-go/api-android.go | 4 | ||||
| -rw-r--r-- | app/tools/libwg-go/jni.c | 6 |
3 files changed, 16 insertions, 7 deletions
diff --git a/app/src/main/java/com/wireguard/android/backend/GoBackend.java b/app/src/main/java/com/wireguard/android/backend/GoBackend.java index 7b397f05..28ce7a5e 100644 --- a/app/src/main/java/com/wireguard/android/backend/GoBackend.java +++ b/app/src/main/java/com/wireguard/android/backend/GoBackend.java @@ -72,7 +72,7 @@ public final class GoBackend implements Backend { private static native void wgTurnOff(int handle); - private static native int wgTurnOn(String ifName, int tunFd, String settings); + private static native int wgTurnOn(String ifName, int tunFd, int mtu, String settings); @Override public Config applyConfig(final Tunnel tunnel, final Config config) throws Exception { @@ -244,12 +244,21 @@ public final class GoBackend implements Backend { } } + int mtu = -1; + try { + mtu = Integer.parseInt(config.getInterface().getMtu(), 10); + } catch (Exception e) { + } + if (mtu < 0) + mtu = 1280; + builder.setMtu(mtu); + builder.setBlocking(true); ParcelFileDescriptor tun = builder.establish(); if (tun == null) throw new Exception("Unable to create tun device"); - currentTunnelHandle = wgTurnOn(tunnel.getName(), tun.detachFd(), fmt.toString()); + currentTunnelHandle = wgTurnOn(tunnel.getName(), tun.detachFd(), mtu, fmt.toString()); if (currentTunnelHandle < 0) throw new Exception("Unable to turn tunnel on (wgTurnOn return " + currentTunnelHandle + ")"); diff --git a/app/tools/libwg-go/api-android.go b/app/tools/libwg-go/api-android.go index b283d3ad..08367b9c 100644 --- a/app/tools/libwg-go/api-android.go +++ b/app/tools/libwg-go/api-android.go @@ -30,7 +30,7 @@ func init() { } //export wgTurnOn -func wgTurnOn(ifnameRef string, tun_fd int32, settings string) int32 { +func wgTurnOn(ifnameRef string, tun_fd int32, mtu int32, settings string) int32 { interfaceName := string([]byte(ifnameRef)) logger := &Logger{ @@ -48,7 +48,7 @@ func wgTurnOn(ifnameRef string, tun_fd int32, settings string) int32 { nopi: true, } device := NewDevice(tun, logger) - device.tun.mtu = DefaultMTU //TODO: make dynamic + device.tun.mtu = mtu bufferedSettings := bufio.NewReadWriter(bufio.NewReader(strings.NewReader(settings)), bufio.NewWriter(ioutil.Discard)) setError := ipcSetOperation(device, bufferedSettings) diff --git a/app/tools/libwg-go/jni.c b/app/tools/libwg-go/jni.c index 1476dab7..d32d64c4 100644 --- a/app/tools/libwg-go/jni.c +++ b/app/tools/libwg-go/jni.c @@ -1,12 +1,12 @@ #include <jni.h> struct go_string { const char *str; long n; }; -extern int wgTurnOn(struct go_string ifname, int tun_fd, struct go_string settings); +extern int wgTurnOn(struct go_string ifname, int tun_fd, int mtu, struct go_string settings); extern void wgTurnOff(int handle); extern int wgGetSocketV4(int handle); extern int wgGetSocketV6(int handle); -JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jstring settings) +JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jint mtu, jstring settings) { const char *ifname_str = (*env)->GetStringUTFChars(env, ifname, 0); size_t ifname_len = (*env)->GetStringUTFLength(env, ifname); @@ -15,7 +15,7 @@ JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNI int ret = wgTurnOn((struct go_string){ .str = ifname_str, .n = ifname_len - }, tun_fd, (struct go_string){ + }, tun_fd, mtu, (struct go_string){ .str = settings_str, .n = settings_len }); |