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/webkit/WebViewUpdateService.java b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
index 4a105e1..3b400b4 100644
--- a/services/core/java/com/android/server/webkit/WebViewUpdateService.java
+++ b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
@@ -33,6 +33,7 @@
import android.webkit.WebViewProviderInfo;
import android.webkit.WebViewProviderResponse;
+import com.android.internal.util.DumpUtils;
import com.android.server.SystemService;
import java.io.FileDescriptor;
@@ -293,14 +294,7 @@
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
- if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
- != PackageManager.PERMISSION_GRANTED) {
-
- pw.println("Permission Denial: can't dump webviewupdate service from pid="
- + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
- return;
- }
-
+ if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
WebViewUpdateService.this.mImpl.dumpState(pw);
}
}