triaged = false;
}
if ((flags & PackageManager.MATCH_ANY_USER) != 0) {
- enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
+ // require the permission to be held; the calling uid and given user id referring
+ // to the same user is not sufficient
+ enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, true,
"MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at "
+ Debug.getCallers(5));
} else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser
*/
void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
boolean checkShell, String message) {
+ enforceCrossUserPermission(
+ callingUid,
+ userId,
+ requireFullPermission,
+ checkShell,
+ false,
+ message);
+ }
+
+ private void enforceCrossUserPermission(int callingUid, int userId,
+ boolean requireFullPermission, boolean checkShell,
+ boolean requirePermissionWhenSameUser, String message) {
if (userId < 0) {
throw new IllegalArgumentException("Invalid userId " + userId);
}
if (checkShell) {
enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
}
- if (userId == UserHandle.getUserId(callingUid)) return;
+ if (!requirePermissionWhenSameUser && userId == UserHandle.getUserId(callingUid)) return;
if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
if (requireFullPermission) {
mContext.enforceCallingOrSelfPermission(
flags = updateFlagsForPackage(flags, userId, null);
final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0;
enforceCrossUserPermission(callingUid, userId,
- true /* requireFullPermission */, false /* checkShell */,
+ false /* requireFullPermission */, false /* checkShell */,
"get installed packages");
// writer
flags = updateFlagsForApplication(flags, userId, null);
final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0;
+ enforceCrossUserPermission(
+ callingUid,
+ userId,
+ false /* requireFullPermission */,
+ false /* checkShell */,
+ "get installed application info");
+
// writer
synchronized (mPackages) {
ArrayList<ApplicationInfo> list;