1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <android/permission_manager.h>
18 #include <binder/ActivityManager.h>
19
20 namespace android {
21 namespace permissionmananger {
22
23 // Global instance of ActivityManager, service is obtained only on first use.
24 static ActivityManager gAm;
25
26 } // permissionmanager
27 } // android
28
29 using namespace android;
30 using namespace permissionmananger;
31
APermissionManager_checkPermission(const char * permission,pid_t pid,uid_t uid,int32_t * outResult)32 int32_t APermissionManager_checkPermission(const char* permission,
33 pid_t pid,
34 uid_t uid,
35 int32_t* outResult) {
36 status_t result = gAm.checkPermission(String16(permission), pid, uid, outResult);
37 if (result == DEAD_OBJECT) {
38 return PERMISSION_MANAGER_STATUS_SERVICE_UNAVAILABLE;
39 } else if (result != NO_ERROR) {
40 return PERMISSION_MANAGER_STATUS_ERROR_UNKNOWN;
41 }
42 return PERMISSION_MANAGER_STATUS_OK;
43 }
44