environment.hpp

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/*
 *  Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
 *
 *  Contact: Michal Witanowski <m.witanowski@samsung.com>
 *
 *  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
 */

#ifndef COMMON_UTILS_ENVIRONMENT_HPP
#define COMMON_UTILS_ENVIRONMENT_HPP

#include <string>
#include <vector>
#include <functional>
#include <sys/types.h>


namespace utils {


bool setSuppGroups(const std::vector<std::string>& groups);

bool dropRoot(uid_t uid, gid_t gid, const std::vector<unsigned int>& caps);

bool launchAsRoot(const std::function<bool()>& func);

bool joinToNs(int nsPid, int ns);

int passNamespacedFd(int nsPid, int ns, const std::function<int()>& fdFactory);

} // namespace utils


#endif // COMMON_UTILS_ENVIRONMENT_HPP