Fix UDP forward

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

README.md

@@ -42,6 +42,7 @@ A [shadowsocks](http://shadowsocks.org) client for Android, written in Scala.
 * pdnsd: [GPLv3](https://github.com/shadowsocks/shadowsocks-android/blob/master/src/main/jni/pdnsd/COPYING)
 * libev: [GPLv2](https://github.com/shadowsocks/shadowsocks-android/blob/master/src/main/jni/libev/LICENSE)
 * libevent: [BSD](https://github.com/shadowsocks/libevent/blob/master/LICENSE)
+* kcptun: [MIT](https://github.com/xtaci/kcptun)
 
 ### LICENSE
 

build.sh

@@ -7,13 +7,16 @@ function try () {
 # Build native binaries
 pushd src/main
 try $ANDROID_NDK_HOME/ndk-build -j8
-# copy executables
+
+rm -rf assets/armeabi-v7a
+rm -rf assets/x86
+mkdir -p assets/armeabi-v7a
+mkdir -p assets/x86
+
+#copy executables
 for app in pdnsd redsocks ss-local ss-tunnel tun2socks
 do
-    rm -f assets/armeabi-v7a
-    rm -f assets/x86
-    mkdir -p assets/armeabi-v7a
-    mkdir -p assets/x86
+    echo $app
     try mv libs/armeabi-v7a/$app assets/armeabi-v7a/
     try mv libs/x86/$app assets/x86/
 done

src/main/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools" package="com.github.shadowsocks"
-          android:versionCode="143"
-          android:versionName="3.0.1">
+          android:versionCode="144"
+          android:versionName="3.0.2">
 
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

src/main/assets/pages/about.html

@@ -296,6 +296,7 @@ along with this program. If not, see <a href="http://www.gnu.org/licenses/">http
     <li>pdnsd: <a href="https://github.com/shadowsocks/shadowsocks-android/blob/master/src/main/jni/pdnsd/COPYING">GPLv3</a></li>
     <li>libev: <a href="https://github.com/shadowsocks/libevent/blob/shadowsocks-android/LICENSE">GPLv2</a></li>
     <li>libevent: <a href="https://github.com/shadowsocks/shadowsocks-android/blob/master/src/main/jni/libevent/LICENSE">BSD</a></li>
+    <li>kcptun: <a href="https://github.com/xtaci/kcptun/commits/master/LICENSE.md">MIT</a></li>
 </ul>
 
 </body>

src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala

@@ -182,25 +182,25 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   /** Called when the activity is first created. */
   def handleConnection: Boolean = {
     
+    val fd = startVpn()
+    if (!sendFd(fd)) return false
+
+    if (profile.kcp) {
+      startKcptunDaemon()
+    }
+
+    startShadowsocksDaemon()
+
+    if (profile.udpdns && profile.kcp) {
+      startShadowsocksUDPDaemon()
+    }
+
     if (!profile.udpdns) {
       startDnsDaemon()
       startDnsTunnel()
     }
 
-    startShadowsocksDaemon()
-
-    if (profile.udpdns) {
-      startShadowsocksUDPDaemon()
-    }
-
-    val fd = startVpn()
-    val ret = sendFd(fd)
-
-    if (ret && profile.kcp) {
-      startKcptunDaemon()
-    }
-
-    ret
+    true
   }
 
   def startKcptunDaemon() {
@@ -274,6 +274,8 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
     if (profile.auth) cmd += "-A"
 
+    if (profile.udpdns && !profile.kcp) cmd += "-u"
+
     if (profile.route != Route.ALL) {
       cmd += "--acl"
       cmd += (getApplicationInfo.dataDir + "/acl.list")