exec-utils.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2011 INRIA
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Frederic Urbani <frederic.urbani@inria.fr>
 *
 */
#ifndef EXEC_UTILS_H
#define EXEC_UTILS_H

#include "utils.h"

namespace ns3 {

bool CanonizePath (std::string path, bool ChRootProtected, std::ostringstream &result);

class SearchPath
{
public:
  SearchPath (std::string basepath, std::string path, bool virt);

  std::string SeekFile (std::string file, std::string cwd,
                        void *userData, bool (*checker)(std::string, void*));

private:
  bool m_virtual;
  std::string m_basePath;
  std::vector <std::string> m_paths;
};

std::string SearchFile (std::string file,
                        std::string vroot,
                        std::string vpath,
                        std::string dcepath,
                        std::string cwd,
                        std::string altRoots,
                        void *userData,
                        bool (*checker)(std::string, void*));

std::string
SearchFile (std::string file,
            std::string vroot,
            std::string cwd,
            std::string altRoots,
            void *userData,
            bool (*checker)(std::string, void*));

bool CheckFileExe (std::string file,void *userData);

std::string SearchExecFile (std::string file, std::string vpath, uid_t uid, gid_t gid, int *errNo);

// Without PATH only Real or Virtual root
std::string SearchExecFile (std::string file, uid_t uid, gid_t gid, int *errNo);

// Search using only a path within an environment variable
std::string SearchExecFile (std::string env, std::string file, int *errNo);


}

#endif