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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 */
#define SELECT_ACL 1
#define INSERT_ACL 2
#define UPDATE_ACL 4
#define DELETE_ACL 8
#define CREATE_ACL 16
#define DROP_ACL 32
#define RELOAD_ACL 64
#define SHUTDOWN_ACL 128
#define PROCESS_ACL 256
#define FILE_ACL 512
#define GRANT_ACL 1024
#define REFERENCES_ACL 2048
#define INDEX_ACL 4096
#define ALTER_ACL 8192
#define EXTRA_ACL 16384
#define DB_ACLS (UPDATE_ACL | SELECT_ACL | INSERT_ACL | \
DELETE_ACL | CREATE_ACL | DROP_ACL | GRANT_ACL | \
REFERENCES_ACL | INDEX_ACL | ALTER_ACL)
#define TABLE_ACLS (SELECT_ACL | INSERT_ACL | UPDATE_ACL | \
DELETE_ACL | CREATE_ACL | DROP_ACL | GRANT_ACL | \
REFERENCES_ACL | INDEX_ACL | ALTER_ACL)
#define COL_ACLS (SELECT_ACL | INSERT_ACL | UPDATE_ACL | REFERENCES_ACL)
#define GLOBAL_ACLS (SELECT_ACL | INSERT_ACL | UPDATE_ACL | DELETE_ACL |\
CREATE_ACL | DROP_ACL | RELOAD_ACL | SHUTDOWN_ACL |\
PROCESS_ACL | FILE_ACL | GRANT_ACL | REFERENCES_ACL |\
INDEX_ACL | ALTER_ACL)
#define NO_ACCESS 32768
/* defines to change the above bits to how things are stored in tables */
#define fix_rights_for_db(A) (((A) & 63) | (((A) & ~63) << 4))
#define get_rights_for_db(A) (((A) & 63) | (((A) & ~63) >> 4))
#define fix_rights_for_table(A) (((A) & 63) | (((A) & ~63) << 4))
#define get_rights_for_table(A) (((A) & 63) | (((A) & ~63) >> 4))
#define fix_rights_for_column(A) (((A) & COL_ACLS) | ((A & ~COL_ACLS) << 7))
#define get_rights_for_column(A) (((A) & COL_ACLS) | ((A & ~COL_ACLS) >> 7))
/* prototypes */
int acl_init(bool dont_read_acl_tables);
void acl_reload(void);
void acl_free(bool end=0);
uint acl_get(const char *host, const char *ip, const char *bin_ip,
const char *user, const char *db);
uint acl_getroot(const char *host, const char *ip, const char *user,
const char *password,const char *scramble,char **priv_user,
bool old_ver);
bool acl_check_host(const char *host, const char *ip);
bool change_password(THD *thd, const char *host, const char *user,
char *password);
int mysql_grant(THD *thd, const char *db, List <LEX_USER> &user_list,
uint rights, bool revoke);
int mysql_table_grant(THD *thd, TABLE_LIST *table, List <LEX_USER> &user_list,
List <LEX_COLUMN> &column_list, uint rights,
bool revoke);
int grant_init(void);
void grant_free(void);
void grant_reload(void);
bool check_grant(THD *thd, uint want_access, TABLE_LIST *tables,
uint show_command=0, bool dont_print_error=0);
bool check_grant_column (THD *thd,TABLE *table, const char *name,uint length,
uint show_command=0);
bool check_grant_all_columns(THD *thd, uint want_access, TABLE *table);
bool check_grant_db(THD *thd,const char *db);
uint get_table_grant(THD *thd, TABLE_LIST *table);
uint get_column_grant(THD *thd, TABLE_LIST *table, Field *field);
int mysql_show_grants(THD *thd, LEX_USER *user);
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