2 files changed, 30 insertions, 0 deletions
diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go
index d47c5d76..23b3978f 100644
--- a/tunnel/tools/libwg-go/api-android.go
+++ b/tunnel/tools/libwg-go/api-android.go
@@ -208,6 +208,23 @@ func wgGetConfig(tunnelHandle int32) *C.char {
 
 //export wgVersion
 func wgVersion() *C.char {
+	return C.CString(Version())
+}
+
+//export wgSetConfig
+func wgSetConfig(tunnelHandle int32, settings string) int32 {
+	handle, ok := tunnelHandles[tunnelHandle]
+	if !ok {
+		return -1
+	}
+	err := handle.device.IpcSet(settings)
+	if err != nil {
+		return -1
+	}
+	return 0
+}
+
+func Version() string {
 	info, ok := debug.ReadBuildInfo()
 	if !ok {
 		return C.CString("unknown")
diff --git a/tunnel/tools/libwg-go/jni.c b/tunnel/tools/libwg-go/jni.c
index 7ad94d35..e47b0be5 100644
--- a/tunnel/tools/libwg-go/jni.c
+++ b/tunnel/tools/libwg-go/jni.c
@@ -14,6 +14,7 @@ extern int wgGetSocketV4(int handle);
 extern int wgGetSocketV6(int handle);
 extern char *wgGetConfig(int handle);
 extern char *wgVersion();
+extern int wgSetConfig(int handle, struct go_string settings);
 
 JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jstring settings)
 {
@@ -69,3 +70,15 @@ JNIEXPORT jstring JNICALL Java_com_wireguard_android_backend_GoBackend_wgVersion
 	free(version);
 	return ret;
 }
+
+JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgSetConfig(JNIEnv *env, jclass c, jint handle, jstring settings)
+{
+	const char *settings_str = (*env)->GetStringUTFChars(env, settings, 0);
+	size_t settings_len = (*env)->GetStringUTFLength(env, settings);
+	int ret = wgSetConfig(handle, (struct go_string){
+		.str = settings_str,
+		.n = settings_len
+	});
+	(*env)->ReleaseStringUTFChars(env, settings, settings_str);
+	return ret;
+}