1 /* 2 * Copyright (C) 2016 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 #ifndef KEYSTORE_PERMISSIONS_H_ 18 #define KEYSTORE_PERMISSIONS_H_ 19 20 #include <unistd.h> 21 22 /* Here are the permissions, actions, users, and the main function. */ 23 enum perm_t { 24 P_GET_STATE = 1 << 0, 25 P_GET = 1 << 1, 26 P_INSERT = 1 << 2, 27 P_DELETE = 1 << 3, 28 P_EXIST = 1 << 4, 29 P_LIST = 1 << 5, 30 P_RESET = 1 << 6, 31 P_PASSWORD = 1 << 7, 32 P_LOCK = 1 << 8, 33 P_UNLOCK = 1 << 9, 34 P_IS_EMPTY = 1 << 10, 35 P_SIGN = 1 << 11, 36 P_VERIFY = 1 << 12, 37 P_GRANT = 1 << 13, 38 P_DUPLICATE = 1 << 14, 39 P_CLEAR_UID = 1 << 15, 40 P_ADD_AUTH = 1 << 16, 41 P_USER_CHANGED = 1 << 17, 42 }; 43 44 const char* get_perm_label(perm_t perm); 45 46 /** 47 * Returns the UID that the callingUid should act as. This is here for 48 * legacy support of the WiFi and VPN systems and should be removed 49 * when WiFi can operate in its own namespace. 50 */ 51 uid_t get_keystore_euid(uid_t uid); 52 53 bool has_permission(uid_t uid, perm_t perm, pid_t spid); 54 55 /** 56 * Returns true if the callingUid is allowed to interact in the targetUid's 57 * namespace. 58 */ 59 bool is_granted_to(uid_t callingUid, uid_t targetUid); 60 61 int configure_selinux(); 62 63 #endif // KEYSTORE_PERMISSIONS_H_ 64
