IExecutor.h

Go to the documentation of this file.

//\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\//
//                                                                                //
// MIT License                                                                    //
//                                                                                //
// Copyright (c) 2020 Boubacar DIENE                                              //
//                                                                                //
// This file is part of NetworkService project                                    //
//                                                                                //
// Permission is hereby granted, free of charge, to any person obtaining a copy   //
// of this software and associated documentation files (the "Software"), to deal  //
// in the Software without restriction, including without limitation the rights   //
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell      //
// copies of the Software, and to permit persons to whom the Software is          //
// furnished to do so, subject to the following conditions:                       //
//                                                                                //
// The above copyright notice and this permission notice shall be included in all //
// copies or substantial portions of the Software.                                //
//                                                                                //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR     //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,       //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE    //
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER         //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  //
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  //
// SOFTWARE.                                                                      //
//                                                                                //
//\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\//

#ifndef __UTILS_COMMAND_IEXECUTOR_H__
#define __UTILS_COMMAND_IEXECUTOR_H__

namespace utils::command {

class IExecutor {

public:
    enum Flags : unsigned int {
        WAIT_COMMAND = (1u << 0u),    
        RESEED_PRNG  = (1u << 1u),    
        SANITIZE_FILES  = (1u << 2u), 
        DROP_PRIVILEGES = (1u << 3u), 
        ALL = (WAIT_COMMAND | RESEED_PRNG | SANITIZE_FILES | DROP_PRIVILEGES)
    };

    struct ProgramParams {
        const char* const pathname;

        char* const* const argv;

        char* const* const envp;
    };

    explicit IExecutor(Flags flags) : m_flags(flags) {}

    virtual ~IExecutor() = default;

    IExecutor(const IExecutor&) = delete;

    IExecutor& operator=(const IExecutor&) = delete;

    IExecutor(IExecutor&&) = delete;

    IExecutor& operator=(IExecutor&&) = delete;

    virtual void executeProgram(const ProgramParams& params) const = 0;

protected:
    Flags m_flags;
};

}

#endif