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 &);

    void initialiseUsers();
    void initialiseGroups();
    void addUser(
        size_t uid, String username, String fullName, String group, String home,
        String shell, String password);
    void addGroup(size_t gid, String name);

    Tree<size_t, User *> m_Users;
    Tree<size_t, Group *> m_Groups;

    static UserManager m_Instance;
};