Consistent dump() permission checking.
This change introduces new methods on DumpUtils that can check if the
caller has DUMP and/or PACKAGE_USAGE_STATS access. It then moves all
existing dump() methods to use these checks so that we emit
consistent error messages.
Test: cts-tradefed run commandAndExit cts-dev -m CtsSecurityTestCases -t android.security.cts.ServicePermissionsTest
Bug: 32806790
Change-Id: Iaff6b9506818ee082b1e169c89ebe1001b3bfeca
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 531df81..7c1a609 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -60,6 +60,7 @@
import com.android.internal.telephony.PhoneConstantConversions;
import com.android.internal.telephony.PhoneConstants;
import com.android.internal.telephony.TelephonyIntents;
+import com.android.internal.util.DumpUtils;
import com.android.server.am.BatteryStatsService;
/**
@@ -1391,12 +1392,7 @@
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
- if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
- != PackageManager.PERMISSION_GRANTED) {
- pw.println("Permission Denial: can't dump telephony.registry from from pid="
- + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
- return;
- }
+ if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
synchronized (mRecords) {
final int recordCount = mRecords.size();
pw.println("last known state:");