disable NAT mode on lollipop for now

build.sbt

@@ -4,7 +4,7 @@ import android.Dependencies.{apklib,aar}
 
 android.Plugin.androidBuild
 
-platformTarget in Android := "android-19"
+platformTarget in Android := "android-21"
 
 name := "shadowsocks"
 

src/main/AndroidManifest.xml

@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.github.shadowsocks"
-    android:versionCode="74"
-    android:versionName="2.2.6">
+    android:versionCode="75"
+    android:versionName="2.3.0">
 
   <uses-permission android:name="android.permission.INTERNET"/>
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
@@ -16,7 +16,7 @@
 
   <uses-sdk
       android:minSdkVersion="16"
-      android:targetSdkVersion="19"/>
+      android:targetSdkVersion="21"/>
 
   <application
       android:allowBackup="true"

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

@@ -755,7 +755,6 @@ class Shadowsocks
   }
 
   private def setPreferenceEnabled(enabled: Boolean) {
-    val isRoot = status.getBoolean(Key.isRoot, false)
     for (name <- Shadowsocks.PROXY_PREFS) {
       val pref = findPreference(name)
       if (pref != null) {
@@ -767,7 +766,7 @@ class Shadowsocks
       if (pref != null) {
         if (Seq(Key.isGlobalProxy, Key.isTrafficStat, Key.proxyedApps)
           .contains(name)) {
-          pref.setEnabled(enabled && isRoot)
+          pref.setEnabled(enabled && !isVpnEnabled)
         } else {
           pref.setEnabled(enabled)
         }
@@ -827,10 +826,6 @@ class Shadowsocks
 
     copyAssets(System.getABI)
 
-    if (Build.VERSION.SDK_INT >= 20) {
-      copyToSystem()
-    }
-
     val ab = new ArrayBuffer[String]
     for (executable <- Shadowsocks.EXECUTABLES) {
       ab.append("chmod 755 " + Path.BASE + executable)
@@ -879,8 +874,8 @@ class Shadowsocks
 
   def isVpnEnabled: Boolean = {
     if (vpnEnabled < 0) {
-      vpnEnabled = if (Build.VERSION.SDK_INT
-        >= Build.VERSION_CODES.ICE_CREAM_SANDWICH && !status.getBoolean(Key.isRoot, false)) {
+      vpnEnabled = if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP
+        || !status.getBoolean(Key.isRoot, false)) {
         1
       } else {
         0

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

@@ -150,22 +150,15 @@ class ShadowsocksNatService extends Service with BaseService {
       Core.sstunnel(cmd.toArray)
     } else {
       val conf = {
-        if (config.isGFWList)
-          ConfigUtils.PDNSD_BYPASS.format("127.0.0.1", getString(R.string.exclude))
-        else
-          ConfigUtils.PDNSD.format("127.0.0.1")
+        ConfigUtils.PDNSD.format("127.0.0.1")
       }
       ConfigUtils.printToFile(new File(Path.BASE + "pdnsd.conf"))(p => {
          p.println(conf)
       })
 
       val args = "pdnsd -c " + Path.BASE + "pdnsd.conf"
+      val cmd =  Path.BASE + args
 
-      val cmd = if (Build.VERSION.SDK_INT >= 20) {
-        "/system/bin/" + args
-      } else {
-        Path.BASE + args
-      }
       if (BuildConfig.DEBUG) Log.d(TAG, cmd)
       Console.runRootCommand(cmd)
     }
@@ -190,11 +183,7 @@ class ShadowsocksNatService extends Service with BaseService {
     ConfigUtils.printToFile(new File(Path.BASE + "redsocks.conf"))(p => {
       p.println(conf)
     })
-    val cmd = if (Build.VERSION.SDK_INT >= 20) {
-      "/system/bin/" + args
-    } else {
-      Path.BASE + args
-    }
+    val cmd = Path.BASE + args
     Console.runRootCommand(cmd)
   }
 
@@ -333,10 +322,6 @@ class ShadowsocksNatService extends Service with BaseService {
     init_sb.append(cmd_bypass.replace("-d 0.0.0.0", "-m owner --uid-owner " + myUid))
 
     if (config.isGFWList) {
-      // Bypass DNS in China
-      init_sb.append(cmd_bypass.replace("-p tcp -d 0.0.0.0", "-d 114.114.114.114"))
-      init_sb.append(cmd_bypass.replace("-p tcp -d 0.0.0.0", "-d 114.114.115.115"))
-
       if (!isACLEnabled)
       {
         val chn_list: Array[String] = getResources.getStringArray(R.array.chn_list)

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

@@ -76,7 +76,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def isByass(net: SubnetUtils): Boolean = {
     val info = net.getInfo
-    info.isInRange(config.proxy) || info.isInRange("114.114.114.114") || info.isInRange("114.114.115.115")
+    info.isInRange(config.proxy)
   }
 
   def startShadowsocksDaemon() {
@@ -95,10 +95,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def startDnsDaemon() {
     val conf = {
-      if (config.isGFWList)
-        ConfigUtils.PDNSD_BYPASS.format("0.0.0.0", getString(R.string.exclude))
-      else
-        ConfigUtils.PDNSD.format("0.0.0.0")
+      ConfigUtils.PDNSD.format("0.0.0.0")
     }
     ConfigUtils.printToFile(new File(Path.BASE + "pdnsd.conf"))(p => {
       p.println(conf)
@@ -147,7 +144,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
         }
       })
     } else {
-      for (i <- 1 to 254) {
+      for (i <- 1 to 223) {
         if (i != 26 && i != 127) {
           val addr = i.toString + ".0.0.0"
           val cidr = addr + "/8"