commit d1fc97203a30a1ffdacc3dbe2f3d6a1eefa4b066
author Iván Budnik <ivanbuper@google.com> Fri Aug 19 17:02:51 2022 +0000
committer Android (Google) Code Review <android-gerrit@google.com> Fri Aug 19 17:02:51 2022 +0000
tree 368dc90c0484d271984759dbf68208496c2331e6
parent 425d0d659206fd2830f3f10611be096ed2600c42
parent 2eee386b5e9a0f24736c10fce27326b43cc15278

Merge changes from topic "presubmit-am-994c84d568054c049282d3d0e9c67263" into sc-qpr1-dev

* changes:
  [automerge] Enforce ComponentName belongs to caller app 2p: b479180b73
  Enforce ComponentName belongs to caller app

services/core/java/com/android/server/media/MediaButtonReceiverHolder.java

diff --git a/services/core/java/com/android/server/media/MediaButtonReceiverHolder.java b/services/core/java/com/android/server/media/MediaButtonReceiverHolder.java
index 9a19031..6759d79 100644
--- a/services/core/java/com/android/server/media/MediaButtonReceiverHolder.java
+++ b/services/core/java/com/android/server/media/MediaButtonReceiverHolder.java
@@ -32,6 +32,7 @@
 import android.os.PowerWhitelistManager;
 import android.os.UserHandle;
 import android.text.TextUtils;
+import android.util.EventLog;
 import android.util.Log;
 import android.view.KeyEvent;
 
@@ -117,6 +118,12 @@
         int componentType = getComponentType(pendingIntent);
         ComponentName componentName = getComponentName(pendingIntent, componentType);
         if (componentName != null) {
+            if (!TextUtils.equals(componentName.getPackageName(), sessionPackageName)) {
+                EventLog.writeEvent(0x534e4554, "238177121", -1, ""); // SafetyNet logging
+                throw new IllegalArgumentException("ComponentName does not belong to "
+                        + "sessionPackageName. sessionPackageName = " + sessionPackageName
+                        + ", ComponentName pkg = " + componentName.getPackageName());
+            }
             return new MediaButtonReceiverHolder(userId, pendingIntent, componentName,
                     componentType);
         }

services/core/java/com/android/server/media/MediaSessionRecord.java

diff --git a/services/core/java/com/android/server/media/MediaSessionRecord.java b/services/core/java/com/android/server/media/MediaSessionRecord.java
index 4822d6a..ca5e97c 100644
--- a/services/core/java/com/android/server/media/MediaSessionRecord.java
+++ b/services/core/java/com/android/server/media/MediaSessionRecord.java
@@ -53,6 +53,7 @@
 import android.os.ResultReceiver;
 import android.os.SystemClock;
 import android.text.TextUtils;
+import android.util.EventLog;
 import android.util.Log;
 import android.view.KeyEvent;
 
@@ -934,6 +935,14 @@
         @Override
         public void setMediaButtonReceiver(PendingIntent pi, String sessionPackageName)
                 throws RemoteException {
+            //mPackageName has been verified in MediaSessionService.enforcePackageName().
+            if (!TextUtils.equals(sessionPackageName, mPackageName)) {
+                EventLog.writeEvent(0x534e4554, "238177121", -1, ""); // SafetyNet logging
+                throw new IllegalArgumentException("sessionPackageName name does not match "
+                        + "package name provided to MediaSessionRecord. sessionPackageName = "
+                        + sessionPackageName + ", pkg = "
+                        + mPackageName);
+            }
             final long token = Binder.clearCallingIdentity();
             try {
                 if ((mPolicies & MediaSessionPolicyProvider.SESSION_POLICY_IGNORE_BUTTON_RECEIVER)
@@ -952,6 +961,15 @@
         public void setMediaButtonBroadcastReceiver(ComponentName receiver) throws RemoteException {
             final long token = Binder.clearCallingIdentity();
             try {
+                //mPackageName has been verified in MediaSessionService.enforcePackageName().
+                if (receiver != null && !TextUtils.equals(
+                        mPackageName, receiver.getPackageName())) {
+                    EventLog.writeEvent(0x534e4554, "238177121", -1, ""); // SafetyNet logging
+                    throw new IllegalArgumentException("receiver does not belong to "
+                            + "package name provided to MediaSessionRecord. Pkg = " + mPackageName
+                            + ", Receiver Pkg = " + receiver.getPackageName());
+                }
+
                 if ((mPolicies & MediaSessionPolicyProvider.SESSION_POLICY_IGNORE_BUTTON_RECEIVER)
                         != 0) {
                     return;