release/src/router/mysql/server-tools/instance-manager/user_map.h

   1 /* Copyright (C) 2004-2006 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_USER_MAP_H
  17 #define INCLUDES_MYSQL_INSTANCE_MANAGER_USER_MAP_H
  18
  19 #include <my_global.h>
  20 #include <my_sys.h>
  21 #include <mysql_com.h>
  22 #include <m_string.h>
  23 #include <hash.h>
  24
  25 #if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
  26 #pragma interface
  27 #endif
  28
  29 struct User
  30 {
  31   User()
  32   {}
  33
  34   User(const LEX_STRING *user_name_arg, const char *password);
  35
  36   int init(const char *line);
  37
  38   inline void set_password(const char *password)
  39   {
  40     make_scrambled_password(scrambled_password, password);
  41   }
  42
  43   char user[USERNAME_LENGTH + 1];
  44   char scrambled_password[SCRAMBLED_PASSWORD_CHAR_LENGTH + 1];
  45   uint8 user_length;
  46   uint8 salt[SCRAMBLE_LENGTH];
  47 };
  48
  49 /*
  50   User_map -- all users and passwords
  51 */
  52
  53 class User_map
  54 {
  55 public:
  56   /* User_map iterator */
  57
  58   class Iterator
  59   {
  60   public:
  61     Iterator(User_map *user_map_arg) :
  62       user_map(user_map_arg), cur_idx(0)
  63     { }
  64
  65   public:
  66     void reset();
  67
  68     User *next();
  69
  70   private:
  71     User_map *user_map;
  72     uint cur_idx;
  73   };
  74
  75 public:
  76   User_map();
  77   ~User_map();
  78
  79   int init();
  80   int load(const char *password_file_name, const char **err_msg);
  81   int save(const char *password_file_name, const char **err_msg);
  82   int authenticate(const LEX_STRING *user_name,
  83                    const char *scrambled_password,
  84                    const char *scramble) const;
  85
  86   const User *find_user(const LEX_STRING *user_name) const;
  87   User *find_user(const LEX_STRING *user_name);
  88
  89   bool add_user(User *user);
  90   bool remove_user(User *user);
  91
  92 private:
  93   User_map(const User_map &);
  94   User_map &operator =(const User_map &);
  95
  96 private:
  97   HASH hash;
  98   bool initialized;
  99
 100   friend class Iterator;
 101 };
 102
 103 #endif // INCLUDES_MYSQL_INSTANCE_MANAGER_USER_MAP_H