Add upgrade KeySets check to permission pruning on install. (436e264e) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/PackageManagerService.java

+12 −2

Original line number	Diff line number	Diff line
		@@ -10238,8 +10238,18 @@ public class PackageManagerService extends IPackageManager.Stub {
		if (bp != null) {
		// If the defining package is signed with our cert, it's okay. This
		// also includes the "updating the same package" case, of course.
		if (compareSignatures(bp.packageSetting.signatures.mSignatures,
		pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
		// "updating same package" could also involve key-rotation.
		final boolean sigsOk;
		if (!bp.sourcePackage.equals(pkg.packageName)
		\|\| !(bp.packageSetting instanceof PackageSetting)
		\|\| !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
		\|\| ((PackageSetting) bp.packageSetting).sharedUser != null) {
		sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
		pkg.mSignatures) != PackageManager.SIGNATURE_MATCH;
		} else {
		sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
		}
		if (!sigsOk) {
		// If the owning package is the system itself, we log but allow
		// install to proceed; we fail the install on all other permission
		// redefinitions.