Add the calling package name to requestRouteToHost

The calling package name will be used to check if an application is a
system application when deciding if a route should be exempt from VPN
routing rules.

Bug: 12937545
Change-Id: I2c09c875fe9bb9685871a0a801ddcbb32fc17405
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index 190ddb4..962a169 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -356,10 +356,11 @@
                             ctx.mMainThread.getHandler());
                 }});
 
-        registerService(CONNECTIVITY_SERVICE, new StaticServiceFetcher() {
-                public Object createStaticService() {
+        registerService(CONNECTIVITY_SERVICE, new ServiceFetcher() {
+                public Object createService(ContextImpl ctx) {
                     IBinder b = ServiceManager.getService(CONNECTIVITY_SERVICE);
-                    return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b));
+                    return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b),
+                        ctx.getPackageName());
                 }});
 
         registerService(COUNTRY_DETECTOR, new StaticServiceFetcher() {
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index c78a973..70c8750 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -395,6 +395,8 @@
 
     private final IConnectivityManager mService;
 
+    private final String mPackageName;
+
     /**
      * Tests if a given integer represents a valid network type.
      * @param networkType the type to be tested
@@ -802,7 +804,7 @@
     public boolean requestRouteToHostAddress(int networkType, InetAddress hostAddress) {
         byte[] address = hostAddress.getAddress();
         try {
-            return mService.requestRouteToHostAddress(networkType, address);
+            return mService.requestRouteToHostAddress(networkType, address, mPackageName);
         } catch (RemoteException e) {
             return false;
         }
@@ -898,8 +900,9 @@
     /**
      * {@hide}
      */
-    public ConnectivityManager(IConnectivityManager service) {
+    public ConnectivityManager(IConnectivityManager service, String packageName) {
         mService = checkNotNull(service, "missing IConnectivityManager");
+        mPackageName = checkNotNull(packageName, "missing package name");
     }
 
     /** {@hide} */
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index c1da2e3..4bca7fe 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -71,9 +71,9 @@
 
     int stopUsingNetworkFeature(int networkType, in String feature);
 
-    boolean requestRouteToHost(int networkType, int hostAddress);
+    boolean requestRouteToHost(int networkType, int hostAddress, String packageName);
 
-    boolean requestRouteToHostAddress(int networkType, in byte[] hostAddress);
+    boolean requestRouteToHostAddress(int networkType, in byte[] hostAddress, String packageName);
 
     boolean getMobileDataEnabled();
     void setMobileDataEnabled(boolean enabled);
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index 2d0c285..af6433a 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -1537,14 +1537,14 @@
      * desired
      * @return {@code true} on success, {@code false} on failure
      */
-    public boolean requestRouteToHost(int networkType, int hostAddress) {
+    public boolean requestRouteToHost(int networkType, int hostAddress, String packageName) {
         InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress);
 
         if (inetAddress == null) {
             return false;
         }
 
-        return requestRouteToHostAddress(networkType, inetAddress.getAddress());
+        return requestRouteToHostAddress(networkType, inetAddress.getAddress(), packageName);
     }
 
     /**
@@ -1556,7 +1556,8 @@
      * desired
      * @return {@code true} on success, {@code false} on failure
      */
-    public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress) {
+    public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress,
+            String packageName) {
         enforceChangePermission();
         if (mProtectedNetworks.contains(networkType)) {
             enforceConnectivityInternalPermission();
@@ -4351,7 +4352,7 @@
 
                             // Make a route to host so we check the specific interface.
                             if (mCs.requestRouteToHostAddress(ConnectivityManager.TYPE_MOBILE_HIPRI,
-                                    hostAddr.getAddress())) {
+                                    hostAddr.getAddress(), null)) {
                                 // Wait a short time to be sure the route is established ??
                                 log("isMobileOk:"
                                         + " wait to establish route to hostAddr=" + hostAddr);