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