Send targeted broadcasts to prevent other apps from receiving them.

When sending broadcasts ACTION_SNOOZE_WARNING in NPMS, which may
contain sensitive information, explicitly set the package name
that should receive it to prevent other apps from receiving them.

Bug: 177931370
Test: manual
Change-Id: I2a0a0dc09e27791de829bacfb2e865ffea993715
Merged-In: I11d736771d859d2af27d5c84a502ab038974e2e2
(cherry picked from commit fdbcf17a4eda04e3140b5d97658a3d4815abd9f5)

1 files changed, 4 insertions, 3 deletions

diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 5159c70e991c..0940c09049bd 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -1155,8 +1155,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
                 builder.setContentText(body);
                 builder.setDefaults(Notification.DEFAULT_ALL);
                 builder.setChannelId(SystemNotificationChannels.NETWORK_ALERTS);
-
-                final Intent snoozeIntent = buildSnoozeWarningIntent(policy.template);
+                final Intent snoozeIntent = buildSnoozeWarningIntent(policy.template,
+                        mContext.getPackageName());
                 builder.setDeleteIntent(PendingIntent.getBroadcast(
                         mContext, 0, snoozeIntent, PendingIntent.FLAG_UPDATE_CURRENT));
 
@@ -4243,9 +4243,10 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
         return new Intent(ACTION_ALLOW_BACKGROUND);
     }
 
-    private static Intent buildSnoozeWarningIntent(NetworkTemplate template) {
+    private static Intent buildSnoozeWarningIntent(NetworkTemplate template, String targetPackage) {
         final Intent intent = new Intent(ACTION_SNOOZE_WARNING);
         intent.putExtra(EXTRA_NETWORK_TEMPLATE, template);
+        intent.setPackage(targetPackage);
         return intent;
     }