Steven Moreland | fe66b73 | 2019-02-01 14:29:45 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | |
Steven Moreland | d5f8f08 | 2019-06-06 12:59:20 -0700 | [diff] [blame] | 17 | #pragma once |
| 18 | |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 19 | #include <string> |
| 20 | |
| 21 | #include <selinux/android.h> |
| 22 | #include <selinux/avc.h> |
| 23 | |
| 24 | namespace android { |
| 25 | |
| 26 | class AccessControl { |
| 27 | public: |
| 28 | AccessControl(); |
Steven Moreland | 4034c1c | 2017-11-03 17:42:27 -0700 | [diff] [blame] | 29 | |
Steven Moreland | 7185a89 | 2019-01-09 18:00:05 -0800 | [diff] [blame] | 30 | struct CallingContext { |
| 31 | bool sidPresent; |
| 32 | std::string sid; |
| 33 | pid_t pid; |
| 34 | }; |
| 35 | static CallingContext getCallingContext(pid_t sourcePid); |
Steven Moreland | 4034c1c | 2017-11-03 17:42:27 -0700 | [diff] [blame] | 36 | |
Steven Moreland | 7185a89 | 2019-01-09 18:00:05 -0800 | [diff] [blame] | 37 | bool canAdd(const std::string& fqName, const CallingContext& callingContext); |
| 38 | bool canGet(const std::string& fqName, const CallingContext& callingContext); |
| 39 | bool canList(const CallingContext& callingContext); |
Steven Moreland | 4034c1c | 2017-11-03 17:42:27 -0700 | [diff] [blame] | 40 | |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 41 | private: |
Steven Moreland | 4034c1c | 2017-11-03 17:42:27 -0700 | [diff] [blame] | 42 | |
Steven Moreland | 7185a89 | 2019-01-09 18:00:05 -0800 | [diff] [blame] | 43 | bool checkPermission(const CallingContext& source, const char *targetContext, const char *perm, const char *interface); |
| 44 | bool checkPermission(const CallingContext& source, const char *perm, const char *interface); |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 45 | |
| 46 | static int auditCallback(void *data, security_class_t cls, char *buf, size_t len); |
| 47 | |
| 48 | char* mSeContext; |
| 49 | struct selabel_handle* mSeHandle; |
| 50 | union selinux_callback mSeCallbacks; |
| 51 | }; |
| 52 | |
| 53 | } // namespace android |