Fix the string reference equality comparison in MusicFxHelper
Bug: 332981866
Test: atest com.android.server.audio.MusicFxHelperTest
Flag: NONE, impact of this fix is limited
Change-Id: I996951c7f71678c76afec78efd452b275f17213e
diff --git a/services/core/java/com/android/server/audio/MusicFxHelper.java b/services/core/java/com/android/server/audio/MusicFxHelper.java
index 85b3b49..ba45310 100644
--- a/services/core/java/com/android/server/audio/MusicFxHelper.java
+++ b/services/core/java/com/android/server/audio/MusicFxHelper.java
@@ -90,7 +90,6 @@
* observer will also be removed, and observer token reset to null
*/
private class MySparseArray extends SparseArray<PackageSessions> {
- private final String mMusicFxPackageName = "com.android.musicfx";
@RequiresPermission(anyOf = {
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
@@ -229,6 +228,10 @@
if (ril != null && ril.size() != 0) {
ResolveInfo ri = ril.get(0);
final String senderPackageName = intent.getStringExtra(AudioEffect.EXTRA_PACKAGE_NAME);
+ if (senderPackageName == null) {
+ Log.w(TAG, "Intent package name must not be null");
+ return;
+ }
try {
if (ri != null && ri.activityInfo != null && ri.activityInfo.packageName != null) {
final int senderUid = pm.getPackageUidAsUser(senderPackageName,
@@ -265,7 +268,7 @@
+ senderUid + ", package: " + senderPackageName + ", abort");
return false;
}
- if (pkgSessions.mPackageName != senderPackageName) {
+ if (!pkgSessions.mPackageName.equals(senderPackageName)) {
Log.w(TAG, "Inconsistency package names for UID open: " + senderUid + " prev: "
+ pkgSessions.mPackageName + ", now: " + senderPackageName);
return false;
@@ -297,7 +300,7 @@
Log.e(TAG, senderPackageName + " UID " + senderUid + " does not exist in map, abort");
return false;
}
- if (pkgSessions.mPackageName != senderPackageName) {
+ if (!pkgSessions.mPackageName.equals(senderPackageName)) {
Log.w(TAG, "Inconsistency package names for UID " + senderUid + " close, prev: "
+ pkgSessions.mPackageName + ", now: " + senderPackageName);
return false;
diff --git a/services/tests/servicestests/src/com/android/server/audio/MusicFxHelperTest.java b/services/tests/servicestests/src/com/android/server/audio/MusicFxHelperTest.java
index 472a82c..d5638e9 100644
--- a/services/tests/servicestests/src/com/android/server/audio/MusicFxHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/MusicFxHelperTest.java
@@ -57,8 +57,9 @@
private ResolveInfo mResolveInfo1 = new ResolveInfo();
private ResolveInfo mResolveInfo2 = new ResolveInfo();
- private final String mTestPkg1 = "testPkg1", mTestPkg2 = "testPkg2", mTestPkg3 = "testPkg3";
- private final String mMusicFxPkgName = "com.android.musicfx";
+ private final String mTestPkg1 = new String("testPkg1"), mTestPkg2 = new String("testPkg2"),
+ mTestPkg3 = new String("testPkg3"), mTestPkg1Equivalent = new String("testPkg1");
+ private final String mMusicFxPkgName = new String("com.android.musicfx");
private final int mTestUid1 = 1, mTestUid2 = 2, mTestUid3 = 3, mMusicFxUid = 78;
private final int mTestSession1 = 11, mTestSession2 = 22, mTestSession3 = 33;
@@ -191,7 +192,8 @@
public void testCloseBroadcastIntent() {
Log.i(TAG, "running testCloseBroadcastIntent");
- closeSessionWithResList(null, 0, 0, null, mTestSession1, mTestUid1);
+ closeSessionWithResList(null, 0 /* unbind */, 0 /* broadcast */, null /* packageName */,
+ mTestSession1, mTestUid1);
}
/**
@@ -225,8 +227,10 @@
public void testBroadcastIntentWithNoPackageAndNoBroadcastReceiver() {
Log.i(TAG, "running testBroadcastIntentWithNoPackageAndNoBroadcastReceiver");
- openSessionWithResList(mEmptyList, 0, 0, null, mTestSession1, mTestUid1);
- closeSessionWithResList(mEmptyList, 0, 0, null, mTestSession1, mTestUid1);
+ openSessionWithResList(mEmptyList, 0 /* bind */, 0 /* broadcast */, null /* packageName */,
+ mTestSession1, mTestUid1);
+ closeSessionWithResList(mEmptyList, 0 /* unbind */, 0 /* broadcast */,
+ null /* packageName */, mTestSession1, mTestUid1);
}
/**
@@ -236,26 +240,10 @@
public void testBroadcastIntentWithNoPackageAndOneBroadcastReceiver() {
Log.i(TAG, "running testBroadcastIntentWithNoPackageAndOneBroadcastReceiver");
- int broadcasts = 1, bind = 1, unbind = 1;
- openSessionWithResList(mSingleList, bind, broadcasts, null, mTestSession1, mTestUid1);
- broadcasts = broadcasts + 1;
- closeSessionWithResList(mSingleList, unbind, broadcasts, null, mTestSession1, mTestUid1);
-
- // repeat with different session ID
- broadcasts = broadcasts + 1;
- bind = bind + 1;
- unbind = unbind + 1;
- openSessionWithResList(mSingleList, bind, broadcasts, null, mTestSession2, mTestUid1);
- broadcasts = broadcasts + 1;
- closeSessionWithResList(mSingleList, unbind, broadcasts, null, mTestSession2, mTestUid1);
-
- // repeat with different UID
- broadcasts = broadcasts + 1;
- bind = bind + 1;
- unbind = unbind + 1;
- openSessionWithResList(mSingleList, bind, broadcasts, null, mTestSession1, mTestUid2);
- broadcasts = broadcasts + 1;
- closeSessionWithResList(mSingleList, unbind, broadcasts, null, mTestSession1, mTestUid2);
+ openSessionWithResList(mSingleList, 0 /* bind */, 0 /* broadcast */,
+ null /* packageName */, mTestSession1, mTestUid1);
+ closeSessionWithResList(mSingleList, 0 /* unbind */, 0 /* broadcast */,
+ null /* packageName */, mTestSession1, mTestUid1);
}
/**
@@ -265,8 +253,50 @@
public void testBroadcastIntentWithNoPackageAndTwoBroadcastReceivers() {
Log.i(TAG, "running testBroadcastIntentWithNoPackageAndTwoBroadcastReceivers");
- openSessionWithResList(mDoubleList, 1, 1, null, mTestSession1, mTestUid1);
- closeSessionWithResList(mDoubleList, 1, 2, null, mTestSession1, mTestUid1);
+ openSessionWithResList(mDoubleList, 0 /* bind */, 0 /* broadcast */,
+ null /* packageName */, mTestSession1, mTestUid1);
+ closeSessionWithResList(mDoubleList, 0 /* bind */, 0 /* broadcast */,
+ null /* packageName */, mTestSession1, mTestUid1);
+ }
+
+ @Test
+ public void testBroadcastIntentWithPackageAndOneBroadcastReceiver() {
+ Log.i(TAG, "running testBroadcastIntentWithPackageAndOneBroadcastReceiver");
+
+ int broadcasts = 1, bind = 1, unbind = 1;
+ openSessionWithResList(mSingleList, bind, broadcasts, mTestPkg1, mTestSession1, mTestUid1);
+
+ broadcasts = broadcasts + 1;
+ closeSessionWithResList(mSingleList, unbind, broadcasts, mTestPkg1, mTestSession1,
+ mTestUid1);
+
+ // repeat with different session ID
+ broadcasts = broadcasts + 1;
+ bind = bind + 1;
+ unbind = unbind + 1;
+ openSessionWithResList(mSingleList, bind, broadcasts, mTestPkg2, mTestSession2, mTestUid1);
+ broadcasts = broadcasts + 1;
+ closeSessionWithResList(mSingleList, unbind, broadcasts, mTestPkg2, mTestSession2,
+ mTestUid1);
+
+ // repeat with different UID
+ broadcasts = broadcasts + 1;
+ bind = bind + 1;
+ unbind = unbind + 1;
+ openSessionWithResList(mSingleList, bind, broadcasts, mTestPkg3, mTestSession1, mTestUid2);
+ broadcasts = broadcasts + 1;
+ closeSessionWithResList(mSingleList, unbind, broadcasts, mTestPkg3, mTestSession1,
+ mTestUid2);
+ }
+
+ @Test
+ public void testBroadcastIntentWithPackageAndTwoBroadcastReceivers() {
+ Log.i(TAG, "running testBroadcastIntentWithPackageAndTwoBroadcastReceivers");
+
+ openSessionWithResList(mDoubleList, 1 /* bind */, 1 /* broadcast */,
+ mTestPkg1 /* packageName */, mTestSession1, mTestUid1);
+ closeSessionWithResList(mDoubleList, 1 /* unbind */, 2 /* broadcast */,
+ mTestPkg1 /* packageName */, mTestSession1, mTestUid1);
}
/**
@@ -639,4 +669,18 @@
unbind = unbind + 1;
sendMessage(MusicFxHelper.MSG_EFFECT_CLIENT_GONE, mTestUid3, unbind, broadcasts);
}
+
+ /**
+ * Test audio session open/close with same package name value but different String object.
+ */
+ @Test
+ public void testSessionOpenCloseWithSamePackageNameValueButDiffObject() {
+ Log.i(TAG, "running testSessionOpenCloseWithSamePackageNameValueButDiffObject");
+ int broadcasts = 1;
+ openSessionWithResList(mSingleList, 1 /* bind */, broadcasts, mTestPkg1, mTestSession1,
+ mTestUid1);
+ closeSessionWithResList(mSingleList, 1 /* unbind */, broadcasts + 1, mTestPkg1Equivalent,
+ mTestSession1, mTestUid1);
+ }
+
}