switch obfsclient to obfs4 proxy

includes supporting SOCKS outbound proxy for VPN mode

src/org/torproject/android/OrbotMainActivity.java

@@ -705,6 +705,12 @@ public class OrbotMainActivity extends Activity implements TorConstants, OnLongC
 		}
 		else
 		{
+			Editor e = mPrefs.edit();
+			e.putString("pref_proxy_host", "localhost");
+			e.putInt("pref_proxy_port", 8118);
+			e.putString("prof_proxy_type","HTTP");
+			e.commit();
+			
 			//use the built-in browser
 			Intent intentBrowser = new Intent(this, Browser.class);
 			intentBrowser.setAction(Intent.ACTION_VIEW);

src/org/torproject/android/service/TorResourceInstaller.java

@@ -94,7 +94,7 @@ public class TorResourceInstaller implements TorServiceConstants {
         shell.add(new SimpleCommand(COMMAND_RM_FORCE + outFile.getAbsolutePath())).waitForFinish();
         streamToFile(is,outFile, false, true);
     
-        is = context.getResources().openRawResource(R.raw.obfsclient);
+        is = context.getResources().openRawResource(R.raw.obfs4proxy);
         outFile = new File(installFolder, OBFSCLIENT_ASSET_KEY);
         shell.add(new SimpleCommand(COMMAND_RM_FORCE + outFile.getAbsolutePath())).waitForFinish();
         streamToFile(is,outFile, false, true);

src/org/torproject/android/service/TorService.java

@@ -806,7 +806,7 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 
         if (useBridges)
         	if (mUseVPN)
-        		customEnv.add("TOR_PT_PROXY=http://127.0.0.1:9998"); 
+        		customEnv.add("TOR_PT_PROXY=socks5://127.0.0.1:9999"); 
         
         String baseDirectory = fileTor.getParent();
         Shell shellUser = Shell.startShell(customEnv, baseDirectory);
@@ -2165,6 +2165,8 @@ public class TorService extends Service implements TorServiceConstants, TorConst
             debug ("Using bridges");
             String bridgeCfgKey = "Bridge";
 
+            updateConfiguration("UseBridges", "1", false);
+            
             String bridgeList = prefs.getString(TorConstants.PREF_BRIDGES_LIST,null);
             
             if (bridgeList != null && bridgeList.length() > 1) //longer then 1 = some real values here
@@ -2192,7 +2194,8 @@ public class TorService extends Service implements TorServiceConstants, TorConst
             
 	            if (obfsBridges)
 	            {
-	                String bridgeConfig = "obfs2,obfs3,scramblesuit exec " + fileObfsclient.getCanonicalPath();
+	              //  String bridgeConfig = "obfs3,scramblesuit,obfs4 exec " + fileObfsclient.getCanonicalPath();
+	            	String bridgeConfig = "obfs3,obfs4 exec " + fileObfsclient.getCanonicalPath();
 		                
 	                debug ("Using OBFUSCATED bridges: " + bridgeConfig);
 	                
@@ -2263,7 +2266,6 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 
 
 //            updateConfiguration("UpdateBridgesFromAuthority", "0", false);
-            updateConfiguration("UseBridges", "1", false);
                 
             
         }

src/org/torproject/android/service/TorServiceConstants.java

@@ -86,17 +86,15 @@ public interface TorServiceConstants {
     public static final String CMD_UPDATE = "update";
      
     
-    public static final String BINARY_TOR_VERSION = "0.2.5.10-openssl1.0.1i-PIE-bridgepatch";
+    public static final String BINARY_TOR_VERSION = "0.2.5.10-openssl1.0.1i-PIE-bridgepatch-obfs4proxy";
     public static final String PREF_BINARY_TOR_VERSION_INSTALLED = "BINARY_TOR_VERSION_INSTALLED";
     
     //obfsproxy 
-    public static final String OBFSCLIENT_ASSET_KEY = "obfsclient";
+    public static final String OBFSCLIENT_ASSET_KEY = "obfs4proxy";
     
     public static final String MEEK_ASSET_KEY = "meek-client";
     
     
-    
-    
 	public static final int MESSAGE_TRAFFIC_COUNT = 5;
 	
 

src/org/torproject/android/vpn/OrbotVpnService.java

@@ -51,7 +51,7 @@ public class OrbotVpnService extends VpnService implements Handler.Callback {
     private ProxyServer mSocksProxyServer;
     private Thread mThreadProxy;
     
-    private HttpProxy mHttpProxyServer;
+ //   private HttpProxy mHttpProxyServer;
     
     private final static int VPN_MTU = 1500;
     
@@ -121,11 +121,12 @@ public class OrbotVpnService extends VpnService implements Handler.Callback {
         
         mThreadProxy.start();
         
+        /**
     	mHttpProxyServer = new HttpProxy(9998);
     	HttpProxy.setVpnService(OrbotVpnService.this);
     	mHttpProxyServer.setDebug(5, System.out);
     	mHttpProxyServer.start();
-    	
+    	*/
     	
     }
 
@@ -142,10 +143,11 @@ public class OrbotVpnService extends VpnService implements Handler.Callback {
             mSocksProxyServer = null;
         }
         
+        /*
         if (mHttpProxyServer != null)
         {
         	mHttpProxyServer.closeSocket();
-        }
+        }*/
         
         if (mInterface != null){
             onRevoke();