UserManager.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/String.h"
#include "pedigree/kernel/utilities/Tree.h"
 
class Group;
class User;
 
class EXPORTED_PUBLIC UserManager {
 public:
  static UserManager& instance() {
    return m_Instance;
  }
 
  void initialise();
 
  User* getUser(size_t id);
  User* getUser(String name);
 
  Group* getGroup(size_t id);
  Group* getGroup(String name);
 
 private:
  UserManager();
  ~UserManager();
  UserManager(const UserManager&);
  UserManager& operator=(const UserManager&);
 
  bool initialiseUsers();
  bool initialiseGroups();
  bool initialiseMemberships();
  void addUser(size_t uid, String username, String fullName, size_t group, String home,
               String shell);
  void addGroup(size_t gid, String name);
 
  Tree<size_t, User*> m_Users;
  Tree<size_t, Group*> m_Groups;
 
  static UserManager m_Instance;
};