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-rw-r--r--tunnel/tools/libwg-go/api-android.go60
-rw-r--r--tunnel/tools/libwg-go/jni.c10
2 files changed, 59 insertions, 11 deletions
diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go
index 619dfccd..f5533eba 100644
--- a/tunnel/tools/libwg-go/api-android.go
+++ b/tunnel/tools/libwg-go/api-android.go
@@ -65,7 +65,7 @@ type TunnelHandle struct {
eventHandler unsafe.Pointer
cancel context.CancelFunc
master *ipvlan.IPVLANMaster
- // tunEP *stack.LinkEndpoint
+ tunEP stack.LinkEndpoint
tunFd int
}
@@ -209,7 +209,7 @@ func createNetTUNWithStack(stack *stack.Stack, nicID tcpip.NICID, localAddresses
}
//export wgTurnOnDhcp
-func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Pointer) int32 {
+func wgTurnOnDhcp(interfaceName string, lladdr string, settings string, eventHandler unsafe.Pointer) int32 {
tag := cstring("WireGuard/GoBackend/" + interfaceName)
logger := &device.Logger{
Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf,
@@ -218,18 +218,16 @@ func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Poi
stack := globalStack
- // FIXME IP address
- ipStr := "fe80::101"
// FIXME name
name := "wg0"
var tundev tun.Device
var tnet *netstack.Net
+ llipaddr := net.ParseIP(lladdr)
tundev, tnet, master, err := createNetTUNWithStack(
stack,
1,
- []net.IP{net.ParseIP(ipStr)},
- // []net.IP{net.ParseIP("fe80::1")},
- []net.IP{net.ParseIP("fe80::1")},
+ []net.IP{llipaddr},
+ []net.IP{net.ParseIP("ff02::1:2")},
1420)
if err != nil {
log.Panic(err)
@@ -295,7 +293,7 @@ func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Poi
go func(ctx context.Context) {
logger.Verbosef("Start dhcp client")
- src, err := net.ResolveUDPAddr("udp6", fmt.Sprintf("[%s%%1]:546", ipStr))
+ src, err := net.ResolveUDPAddr("udp6", fmt.Sprintf("[%s%%1]:546", lladdr))
if err != nil {
logger.Errorf("ResolveUDPAddr: %v", err)
return
@@ -311,10 +309,18 @@ func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Poi
}
logger.Verbosef("Conn: %v %v %v", src, dst, conn)
- hwAddr := []byte(" 101")
+ // TODO check byte 11, 12 of lladdr is ff fe
+ hwAddr := []byte{0, 0, 0, 0, 0, 0}
+ hwAddr[0] = llipaddr[8] ^ 0x02
+ hwAddr[1] = llipaddr[9]
+ hwAddr[2] = llipaddr[10]
+ hwAddr[3] = llipaddr[13]
+ hwAddr[4] = llipaddr[14]
+ hwAddr[5] = llipaddr[15]
addrs, err := netstack.RunDhcp(ctx, conn, hwAddr)
if err != nil {
+ conn.Close()
logger.Errorf("DHCP: %v", err)
return
}
@@ -322,6 +328,9 @@ func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Poi
msg := ""
logger.Verbosef("DHCP finished")
+
+ conn.Close()
+
for _, addr := range addrs {
logger.Verbosef("Address: %v", addr)
if msg == "" {
@@ -343,6 +352,12 @@ func wgTurnOnDhcp(interfaceName string, settings string, eventHandler unsafe.Poi
//export wgSetFd
func wgSetFd(tunnelHandle int32, tunFd int32) {
+ tag := cstring(fmt.Sprintf("WireGuard/GoBackend/%x", tunnelHandle))
+ logger := &device.Logger{
+ Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf,
+ Errorf: AndroidLogger{level: C.ANDROID_LOG_ERROR, tag: tag}.Printf,
+ }
+
handle, ok := tunnelHandles[tunnelHandle]
if !ok {
return
@@ -355,19 +370,46 @@ func wgSetFd(tunnelHandle int32, tunFd int32) {
log.Fatal(err)
}
handle.tunFd = int(tunFd)
+ handle.tunEP = tunEP
+ // FIXME panic
+// 03-23 22:19:25.182 9818 0 E Go : panic: runtime error: invalid memory address or nil pointer dereference
+// 03-23 22:19:25.182 9818 0 E Go : [signal SIGSEGV: segmentation violation code=0x1 addr=0x34 pc=0x9f0f5d58]
+// 03-23 22:19:25.182 9818 0 E Go : goroutine 59 [running]:
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard/tun/netstack/ipvlan.(*dispatcher).DeliverNetworkPacket(0x4f1a2008, 0x0, 0x0, 0x0, 0x0, 0x86dd, 0x4f1fe000)
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard/tun/netstack@v0.0.0-00010101000000-000000000000/ipvlan/endpoint.go:104 +0x48
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard/tun/netstack.(*netTun).Write(0x4f1ac000, 0x4f1ec900, 0x77, 0x898, 0x10, 0x1, 0x0, 0x0)
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard/tun/netstack@v0.0.0-00010101000000-000000000000/tun.go:187 +0x1d4
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard/device.(*Peer).RoutineSequentialReceiver(0x4f1f2000)
+// 03-23 22:19:25.182 9818 0 E Go : golang.zx2c4.com/wireguard@v0.0.0-20210306154438-593658d9755b/device/receive.go:479 +0x3d8
+// 03-23 22:19:25.183 9818 0 E Go : created by golang.zx2c4.com/wireguard/device.(*Peer).Start
+// 03-23 22:19:25.183 9818 0 E Go : golang.zx2c4.com/wireguard@v0.0.0-20210306154438-593658d9755b/device/peer.go:187 +0x254
+// 03-23 22:19:25.183 9818 9907 F libc : Fatal signal 6 (SIGABRT), code -6 in tid 9907 (DefaultDispatch)
+
handle.master.SetIntEP(tunEP)
+ logger.Verbosef("wgSetFd: %v %v", tunFd, tunEP)
+ tunnelHandles[tunnelHandle] = handle
}
//export wgTurnOff
func wgTurnOff(tunnelHandle int32) unsafe.Pointer {
+ tag := cstring(fmt.Sprintf("WireGuard/GoBackend/%x", tunnelHandle))
+ logger := &device.Logger{
+ Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf,
+ Errorf: AndroidLogger{level: C.ANDROID_LOG_ERROR, tag: tag}.Printf,
+ }
+
handle, ok := tunnelHandles[tunnelHandle]
if !ok {
return nil
}
if handle.master != nil {
+ logger.Verbosef("IPLAN master: %v %v", handle.tunFd, handle.tunEP)
globalStack.RemoveNIC(1)
handle.master.SetIntEP(nil)
+// handle.tunEP.Wait()
unix.Close(handle.tunFd)
+ } else {
+ logger.Verbosef("No IPLAN master")
}
eventHandler := handle.eventHandler
diff --git a/tunnel/tools/libwg-go/jni.c b/tunnel/tools/libwg-go/jni.c
index 5dd20ed2..5daaeb9a 100644
--- a/tunnel/tools/libwg-go/jni.c
+++ b/tunnel/tools/libwg-go/jni.c
@@ -13,7 +13,7 @@
struct go_string { const char *str; long n; };
extern int wgTurnOn(struct go_string ifname, int tun_fd, struct go_string settings, void *eventHandler);
-extern int wgTurnOnDhcp(struct go_string ifname, struct go_string settings, void *eventHandler);
+extern int wgTurnOnDhcp(struct go_string ifname, struct go_string lladdr, struct go_string settings, void *eventHandler);
extern void wgSetFd(int handle, int tun_fd);
extern void *wgTurnOff(int handle);
extern int wgGetSocketV4(int handle);
@@ -73,10 +73,12 @@ JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNI
return ret;
}
-JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOnDhcp(JNIEnv *env, jclass c, jstring ifname, jstring settings, jobject eventHandler)
+JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOnDhcp(JNIEnv *env, jclass c, jstring ifname, jstring lladdr, jstring settings, jobject eventHandler)
{
const char *ifname_str = (*env)->GetStringUTFChars(env, ifname, 0);
size_t ifname_len = (*env)->GetStringUTFLength(env, ifname);
+ const char *lladdr_str = (*env)->GetStringUTFChars(env, lladdr, 0);
+ size_t lladdr_len = (*env)->GetStringUTFLength(env, lladdr);
const char *settings_str = (*env)->GetStringUTFChars(env, settings, 0);
size_t settings_len = (*env)->GetStringUTFLength(env, settings);
jobject event_handler = (*env)->NewGlobalRef(env, eventHandler);
@@ -84,10 +86,14 @@ JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOnDhcp
.str = ifname_str,
.n = ifname_len
}, (struct go_string){
+ .str = lladdr_str,
+ .n = lladdr_len
+ }, (struct go_string){
.str = settings_str,
.n = settings_len
}, event_handler);
(*env)->ReleaseStringUTFChars(env, ifname, ifname_str);
+ (*env)->ReleaseStringUTFChars(env, lladdr, lladdr_str);
(*env)->ReleaseStringUTFChars(env, settings, settings_str);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-18 18:08:15 +0000