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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <string>
#include <selinux/android.h>
#include <selinux/avc.h>
namespace android {
class AccessControl {
public:
AccessControl();
struct CallingContext {
bool sidPresent;
std::string sid;
pid_t pid;
};
static CallingContext getCallingContext(pid_t sourcePid);
bool canAdd(const std::string& fqName, const CallingContext& callingContext);
bool canGet(const std::string& fqName, const CallingContext& callingContext);
bool canList(const CallingContext& callingContext);
private:
bool checkPermission(const CallingContext& source, const char *targetContext, const char *perm, const char *interface);
bool checkPermission(const CallingContext& source, const char *perm, const char *interface);
static int auditCallback(void *data, security_class_t cls, char *buf, size_t len);
char* mSeContext;
struct selabel_handle* mSeHandle;
union selinux_callback mSeCallbacks;
};
} // namespace android
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