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Checking if package belongs to UID before registering broadcast receiver

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Test: manual testing done on device by installing test APK and checking if receiver can register
Bug: 242040055
Change-Id: Ia525f218a46f8bf7fff660cec0d6432f09fdf24d
Merged-In: Ia525f218a46f8bf7fff660cec0d6432f09fdf24d
(cherry picked from commit 790a8d0dd3)
This commit is contained in:
Kunal Malhotra
2022-11-07 23:33:55 +00:00
parent 853c9d7bb5
commit 07fcc8317a
1 changed files with 5 additions and 0 deletions
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5
services/core/java/com/android/server/am/ActiveServices.java
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@@ -2517,6 +2517,11 @@ public final class ActiveServices {
throw new SecurityException("BIND_EXTERNAL_SERVICE failed, " throw new SecurityException("BIND_EXTERNAL_SERVICE failed, "
+ className + " is not an isolatedProcess"); + className + " is not an isolatedProcess");
} }
if (AppGlobals.getPackageManager().getPackageUid(callingPackage,
0, userId) != callingUid) {
throw new SecurityException("BIND_EXTERNAL_SERVICE failed, "
+ "calling package not owned by calling UID ");
}
// Run the service under the calling package's application. // Run the service under the calling package's application.
ApplicationInfo aInfo = AppGlobals.getPackageManager().getApplicationInfo( ApplicationInfo aInfo = AppGlobals.getPackageManager().getApplicationInfo(
callingPackage, ActivityManagerService.STOCK_PM_FLAGS, userId); callingPackage, ActivityManagerService.STOCK_PM_FLAGS, userId);