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[tor-commits] [orbot/master] a few more checks to handle null intents



commit 2eaa192c72efa47f322a92bbd7a2032b069fbc81
Author: n8fr8 <nathan@xxxxxxxxxxxxxxxxxxxx>
Date:   Mon Aug 24 16:02:23 2020 -0400

    a few more checks to handle null intents
---
 .../torproject/android/service/OrbotService.java   | 19 +++---
 .../android/service/vpn/OrbotVpnManager.java       | 67 +++++++++++-----------
 2 files changed, 40 insertions(+), 46 deletions(-)

diff --git a/orbotservice/src/main/java/org/torproject/android/service/OrbotService.java b/orbotservice/src/main/java/org/torproject/android/service/OrbotService.java
index 61404632..8d98d40e 100644
--- a/orbotservice/src/main/java/org/torproject/android/service/OrbotService.java
+++ b/orbotservice/src/main/java/org/torproject/android/service/OrbotService.java
@@ -375,14 +375,15 @@ public class OrbotService extends VpnService implements TorServiceConstants, Orb
 
             String action = mIntent.getAction();
 
-            if (action != null) {
+            if (!TextUtils.isEmpty(action)) {
                 if (action.equals(ACTION_START) || action.equals(ACTION_START_ON_BOOT)) {
                     startTor();
                     replyWithStatus(mIntent);
 
                     if (Prefs.useVpn())
                     {
-                        if (!mVpnManager.isStarted()) {
+                        if (mVpnManager != null
+                                && (!mVpnManager.isStarted())) {
                             //start VPN here
                             Intent vpnIntent = VpnService.prepare(OrbotService.this);
                             if (vpnIntent == null) //then we can run the VPN
@@ -398,7 +399,7 @@ public class OrbotService extends VpnService implements TorServiceConstants, Orb
 
                 }
                 else if (action.equals(ACTION_START_VPN)) {
-                    if (!mVpnManager.isStarted()) {
+                    if (mVpnManager != null && (!mVpnManager.isStarted())) {
                         //start VPN here
                         Intent vpnIntent = VpnService.prepare(OrbotService.this);
                         if (vpnIntent == null) //then we can run the VPN
@@ -415,7 +416,8 @@ public class OrbotService extends VpnService implements TorServiceConstants, Orb
 
                 }
                 else if (action.equals(ACTION_STOP_VPN)) {
-                    mVpnManager.handleIntent(new Builder(),mIntent);
+                    if (mVpnManager != null)
+                        mVpnManager.handleIntent(new Builder(),mIntent);
                 }
                 else if (action.equals(ACTION_STATUS)) {
                     replyWithStatus(mIntent);
@@ -1978,7 +1980,7 @@ public class OrbotService extends VpnService implements TorServiceConstants, Orb
     @Override
     public IBinder onBind(Intent intent) {
         Log.e( TAG, "onBind" );
-        handleIntent(intent);
+        //do nothing here
         return super.onBind(intent); // invoking super class will call onRevoke() when appropriate
     }
 
@@ -1991,13 +1993,6 @@ public class OrbotService extends VpnService implements TorServiceConstants, Orb
         LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_STOP_VPN));
     }
 
-    private void handleIntent( Intent intent ) {
-        if( intent != null && intent.getAction() != null ) {
-            Log.e( TAG, intent.getAction());
-        }
-    }
-
-
     private void setExitNode (String newExits)
     {
     	SharedPreferences prefs = Prefs.getSharedPrefs(getApplicationContext());
diff --git a/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java b/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java
index 5194e5c3..3dd315fd 100644
--- a/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java
+++ b/orbotservice/src/main/java/org/torproject/android/service/vpn/OrbotVpnManager.java
@@ -27,6 +27,7 @@ import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
 import android.os.ParcelFileDescriptor;
+import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
 import com.runjva.sourceforge.jsocks.protocol.ProxyServer;
@@ -95,52 +96,50 @@ public class OrbotVpnManager implements Handler.Callback {
     public int handleIntent(VpnService.Builder builder, Intent intent) {
     	if (intent != null) {
 	    	String action = intent.getAction();
-	    	
-	    	if (action.equals(ACTION_START_VPN)||action.equals(ACTION_START)) {
-				Log.d(TAG,"starting VPN");
 
-				isStarted = true;
+	    	if (!TextUtils.isEmpty(action)) {
+				if (action.equals(ACTION_START_VPN) || action.equals(ACTION_START)) {
+					Log.d(TAG, "starting VPN");
 
-		        // Stop the previous session by interrupting the thread.
-		        if (mThreadVPN != null && mThreadVPN.isAlive())
-		        	stopVPN();
+					isStarted = true;
 
-				if (mTorSocks != -1)
-				{
-					if (!mIsLollipop)
-					{
-						startSocksBypass();
+					// Stop the previous session by interrupting the thread.
+					if (mThreadVPN != null && mThreadVPN.isAlive())
+						stopVPN();
+
+					if (mTorSocks != -1) {
+						if (!mIsLollipop) {
+							startSocksBypass();
+						}
+
+						setupTun2Socks(builder);
 					}
 
-					setupTun2Socks(builder);
-				}
+				} else if (action.equals(ACTION_STOP_VPN)) {
+					isStarted = false;
 
-	    	}
-	    	else if (action.equals(ACTION_STOP_VPN)) {
-				isStarted = false;
+					Log.d(TAG, "stopping VPN");
 
-	    		Log.d(TAG,"stopping VPN");
-	    		
-	    		stopVPN();
-	    	}
-	    	else if (action.equals(TorServiceConstants.LOCAL_ACTION_PORTS)) {
-				Log.d(TAG,"setting VPN ports");
+					stopVPN();
+				} else if (action.equals(TorServiceConstants.LOCAL_ACTION_PORTS)) {
+					Log.d(TAG, "setting VPN ports");
 
-				int torSocks = intent.getIntExtra(OrbotService.EXTRA_SOCKS_PROXY_PORT,-1);
-				int torDns = intent.getIntExtra(OrbotService.EXTRA_DNS_PORT,-1);
+					int torSocks = intent.getIntExtra(OrbotService.EXTRA_SOCKS_PROXY_PORT, -1);
+					int torDns = intent.getIntExtra(OrbotService.EXTRA_DNS_PORT, -1);
 
-				//if running, we need to restart
-				if ((torSocks != mTorSocks || torDns != mTorDns)) {
+					//if running, we need to restart
+					if ((torSocks != mTorSocks || torDns != mTorDns)) {
 
-					mTorSocks = torSocks;
-					mTorDns = torDns;
+						mTorSocks = torSocks;
+						mTorDns = torDns;
 
-					if (!mIsLollipop) {
-						stopSocksBypass();
-						startSocksBypass();
-					}
+						if (!mIsLollipop) {
+							stopSocksBypass();
+							startSocksBypass();
+						}
 
-					setupTun2Socks(builder);
+						setupTun2Socks(builder);
+					}
 				}
 			}
 



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