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			277 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			277 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* Copyright (C) 2000-2006 MySQL AB
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| 
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|    This program is free software; you can redistribute it and/or modify
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|    it under the terms of the GNU General Public License as published by
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|    the Free Software Foundation; version 2 of the License.
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| 
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|    This program is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|    GNU General Public License for more details.
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| 
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|    You should have received a copy of the GNU General Public License
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|    along with this program; if not, write to the Free Software
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|    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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| 
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| #include "slave.h" // for tables_ok(), rpl_filter
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| 
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| #define SELECT_ACL	(1L << 0)
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| #define INSERT_ACL	(1L << 1)
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| #define UPDATE_ACL	(1L << 2)
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| #define DELETE_ACL	(1L << 3)
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| #define CREATE_ACL	(1L << 4)
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| #define DROP_ACL	(1L << 5)
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| #define RELOAD_ACL	(1L << 6)
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| #define SHUTDOWN_ACL	(1L << 7)
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| #define PROCESS_ACL	(1L << 8)
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| #define FILE_ACL	(1L << 9)
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| #define GRANT_ACL	(1L << 10)
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| #define REFERENCES_ACL	(1L << 11)
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| #define INDEX_ACL	(1L << 12)
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| #define ALTER_ACL	(1L << 13)
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| #define SHOW_DB_ACL	(1L << 14)
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| #define SUPER_ACL	(1L << 15)
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| #define CREATE_TMP_ACL	(1L << 16)
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| #define LOCK_TABLES_ACL	(1L << 17)
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| #define EXECUTE_ACL	(1L << 18)
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| #define REPL_SLAVE_ACL	(1L << 19)
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| #define REPL_CLIENT_ACL	(1L << 20)
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| #define CREATE_VIEW_ACL	(1L << 21)
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| #define SHOW_VIEW_ACL	(1L << 22)
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| #define CREATE_PROC_ACL	(1L << 23)
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| #define ALTER_PROC_ACL  (1L << 24)
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| #define CREATE_USER_ACL (1L << 25)
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| #define EVENT_ACL       (1L << 26)
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| #define TRIGGER_ACL     (1L << 27)
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| /*
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|   don't forget to update
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|   1. static struct show_privileges_st sys_privileges[]
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|   2. static const char *command_array[] and static uint command_lengths[]
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|   3. mysql_system_tables.sql and mysql_system_tables_fix.sql
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|   4. acl_init() or whatever - to define behaviour for old privilege tables
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|   5. sql_yacc.yy - for GRANT/REVOKE to work
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| */
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| #define EXTRA_ACL	(1L << 29)
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| #define NO_ACCESS	(1L << 30)
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| #define DB_ACLS \
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| (UPDATE_ACL | SELECT_ACL | INSERT_ACL | DELETE_ACL | CREATE_ACL | DROP_ACL | \
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|  GRANT_ACL | REFERENCES_ACL | INDEX_ACL | ALTER_ACL | CREATE_TMP_ACL | \
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|  LOCK_TABLES_ACL | EXECUTE_ACL | CREATE_VIEW_ACL | SHOW_VIEW_ACL | \
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|  CREATE_PROC_ACL | ALTER_PROC_ACL | EVENT_ACL | TRIGGER_ACL)
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| 
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| #define TABLE_ACLS \
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| (SELECT_ACL | INSERT_ACL | UPDATE_ACL | DELETE_ACL | CREATE_ACL | DROP_ACL | \
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|  GRANT_ACL | REFERENCES_ACL | INDEX_ACL | ALTER_ACL | CREATE_VIEW_ACL | \
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|  SHOW_VIEW_ACL | TRIGGER_ACL)
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| 
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| #define COL_ACLS \
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| (SELECT_ACL | INSERT_ACL | UPDATE_ACL | REFERENCES_ACL)
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| 
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| #define PROC_ACLS \
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| (ALTER_PROC_ACL | EXECUTE_ACL | GRANT_ACL)
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| 
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| #define SHOW_PROC_ACLS \
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| (ALTER_PROC_ACL | EXECUTE_ACL | CREATE_PROC_ACL)
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| 
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| #define GLOBAL_ACLS \
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| (SELECT_ACL | INSERT_ACL | UPDATE_ACL | DELETE_ACL | CREATE_ACL | DROP_ACL | \
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|  RELOAD_ACL | SHUTDOWN_ACL | PROCESS_ACL | FILE_ACL | GRANT_ACL | \
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|  REFERENCES_ACL | INDEX_ACL | ALTER_ACL | SHOW_DB_ACL | SUPER_ACL | \
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|  CREATE_TMP_ACL | LOCK_TABLES_ACL | REPL_SLAVE_ACL | REPL_CLIENT_ACL | \
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|  EXECUTE_ACL | CREATE_VIEW_ACL | SHOW_VIEW_ACL | CREATE_PROC_ACL | \
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|  ALTER_PROC_ACL | CREATE_USER_ACL | EVENT_ACL | TRIGGER_ACL)
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| 
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| #define DEFAULT_CREATE_PROC_ACLS \
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| (ALTER_PROC_ACL | EXECUTE_ACL)
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| 
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| /*
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|   Defines to change the above bits to how things are stored in tables
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|   This is needed as the 'host' and 'db' table is missing a few privileges
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| */
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| 
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| /* Privileges that needs to be reallocated (in continous chunks) */
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| #define DB_CHUNK0 (SELECT_ACL | INSERT_ACL | UPDATE_ACL | DELETE_ACL | \
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|                    CREATE_ACL | DROP_ACL)
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| #define DB_CHUNK1 (GRANT_ACL | REFERENCES_ACL | INDEX_ACL | ALTER_ACL)
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| #define DB_CHUNK2 (CREATE_TMP_ACL | LOCK_TABLES_ACL)
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| #define DB_CHUNK3 (CREATE_VIEW_ACL | SHOW_VIEW_ACL | \
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| 		   CREATE_PROC_ACL | ALTER_PROC_ACL )
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| #define DB_CHUNK4 (EXECUTE_ACL)
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| #define DB_CHUNK5 (EVENT_ACL | TRIGGER_ACL)
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| 
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| #define fix_rights_for_db(A)  (((A)       & DB_CHUNK0) | \
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| 			      (((A) << 4) & DB_CHUNK1) | \
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| 			      (((A) << 6) & DB_CHUNK2) | \
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| 			      (((A) << 9) & DB_CHUNK3) | \
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| 			      (((A) << 2) & DB_CHUNK4))| \
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|                               (((A) << 9) & DB_CHUNK5)
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| #define get_rights_for_db(A)  (((A) & DB_CHUNK0)       | \
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| 			      (((A) & DB_CHUNK1) >> 4) | \
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| 			      (((A) & DB_CHUNK2) >> 6) | \
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| 			      (((A) & DB_CHUNK3) >> 9) | \
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| 			      (((A) & DB_CHUNK4) >> 2))| \
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|                               (((A) & DB_CHUNK5) >> 9)
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| #define TBL_CHUNK0 DB_CHUNK0
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| #define TBL_CHUNK1 DB_CHUNK1
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| #define TBL_CHUNK2 (CREATE_VIEW_ACL | SHOW_VIEW_ACL)
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| #define TBL_CHUNK3 TRIGGER_ACL
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| #define fix_rights_for_table(A) (((A)        & TBL_CHUNK0) | \
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|                                 (((A) <<  4) & TBL_CHUNK1) | \
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|                                 (((A) << 11) & TBL_CHUNK2) | \
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|                                 (((A) << 15) & TBL_CHUNK3))
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| #define get_rights_for_table(A) (((A) & TBL_CHUNK0)        | \
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|                                 (((A) & TBL_CHUNK1) >>  4) | \
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|                                 (((A) & TBL_CHUNK2) >> 11) | \
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|                                 (((A) & TBL_CHUNK3) >> 15))
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| #define fix_rights_for_column(A) (((A) & 7) | (((A) & ~7) << 8))
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| #define get_rights_for_column(A) (((A) & 7) | ((A) >> 8))
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| #define fix_rights_for_procedure(A) ((((A) << 18) & EXECUTE_ACL) | \
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| 				     (((A) << 23) & ALTER_PROC_ACL) | \
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| 				     (((A) << 8) & GRANT_ACL))
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| #define get_rights_for_procedure(A) ((((A) & EXECUTE_ACL) >> 18) |  \
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| 				     (((A) & ALTER_PROC_ACL) >> 23) | \
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| 				     (((A) & GRANT_ACL) >> 8))
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| 
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| enum mysql_db_table_field
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| {
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|   MYSQL_DB_FIELD_HOST = 0,
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|   MYSQL_DB_FIELD_DB,
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|   MYSQL_DB_FIELD_USER,
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|   MYSQL_DB_FIELD_SELECT_PRIV,
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|   MYSQL_DB_FIELD_INSERT_PRIV,
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|   MYSQL_DB_FIELD_UPDATE_PRIV,
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|   MYSQL_DB_FIELD_DELETE_PRIV,
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|   MYSQL_DB_FIELD_CREATE_PRIV,
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|   MYSQL_DB_FIELD_DROP_PRIV,
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|   MYSQL_DB_FIELD_GRANT_PRIV,
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|   MYSQL_DB_FIELD_REFERENCES_PRIV,
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|   MYSQL_DB_FIELD_INDEX_PRIV,
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|   MYSQL_DB_FIELD_ALTER_PRIV,
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|   MYSQL_DB_FIELD_CREATE_TMP_TABLE_PRIV,
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|   MYSQL_DB_FIELD_LOCK_TABLES_PRIV,
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|   MYSQL_DB_FIELD_CREATE_VIEW_PRIV,
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|   MYSQL_DB_FIELD_SHOW_VIEW_PRIV,
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|   MYSQL_DB_FIELD_CREATE_ROUTINE_PRIV,
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|   MYSQL_DB_FIELD_ALTER_ROUTINE_PRIV,
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|   MYSQL_DB_FIELD_EXECUTE_PRIV,
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|   MYSQL_DB_FIELD_EVENT_PRIV,
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|   MYSQL_DB_FIELD_TRIGGER_PRIV,
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|   MYSQL_DB_FIELD_COUNT
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| };
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| 
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| extern TABLE_FIELD_W_TYPE mysql_db_table_fields[];
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| extern time_t mysql_db_table_last_check;
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| 
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| /* Classes */
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| 
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| struct acl_host_and_ip
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| {
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|   char *hostname;
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|   long ip,ip_mask;                      // Used with masked ip:s
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| };
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| 
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| 
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| class ACL_ACCESS {
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| public:
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|   ulong sort;
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|   ulong access;
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| };
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| 
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| 
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| /* ACL_HOST is used if no host is specified */
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| 
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| class ACL_HOST :public ACL_ACCESS
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| {
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| public:
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|   acl_host_and_ip host;
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|   char *db;
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| };
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| 
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| 
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| class ACL_USER :public ACL_ACCESS
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| {
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| public:
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|   acl_host_and_ip host;
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|   uint hostname_length;
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|   USER_RESOURCES user_resource;
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|   char *user;
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|   uint8 salt[SCRAMBLE_LENGTH+1];       // scrambled password in binary form
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|   uint8 salt_len;        // 0 - no password, 4 - 3.20, 8 - 3.23, 20 - 4.1.1 
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|   enum SSL_type ssl_type;
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|   const char *ssl_cipher, *x509_issuer, *x509_subject;
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| };
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| 
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| 
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| class ACL_DB :public ACL_ACCESS
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| {
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| public:
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|   acl_host_and_ip host;
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|   char *user,*db;
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| };
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| 
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| /* prototypes */
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| 
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| bool hostname_requires_resolving(const char *hostname);
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| my_bool  acl_init(bool dont_read_acl_tables);
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| my_bool acl_reload(THD *thd);
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| void acl_free(bool end=0);
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| ulong acl_get(const char *host, const char *ip,
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| 	      const char *user, const char *db, my_bool db_is_pattern);
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| int acl_getroot(THD *thd, USER_RESOURCES *mqh, const char *passwd,
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|                 uint passwd_len);
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| bool acl_getroot_no_password(Security_context *sctx, char *user, char *host,
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|                              char *ip, char *db);
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| bool acl_check_host(const char *host, const char *ip);
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| bool check_change_password(THD *thd, const char *host, const char *user,
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|                            char *password, uint password_len);
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| bool change_password(THD *thd, const char *host, const char *user,
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| 		     char *password);
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| bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &user_list,
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|                  ulong rights, bool revoke);
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| bool mysql_table_grant(THD *thd, TABLE_LIST *table, List <LEX_USER> &user_list,
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|                        List <LEX_COLUMN> &column_list, ulong rights,
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|                        bool revoke);
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| bool mysql_routine_grant(THD *thd, TABLE_LIST *table, bool is_proc,
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| 			 List <LEX_USER> &user_list, ulong rights,
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| 			 bool revoke, bool no_error);
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| my_bool grant_init();
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| void grant_free(void);
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| my_bool grant_reload(THD *thd);
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| bool check_grant(THD *thd, ulong want_access, TABLE_LIST *tables,
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| 		 uint show_command, uint number, bool dont_print_error);
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| bool check_grant_column (THD *thd, GRANT_INFO *grant,
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| 			 const char *db_name, const char *table_name,
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| 			 const char *name, uint length, Security_context *sctx);
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| bool check_column_grant_in_table_ref(THD *thd, TABLE_LIST * table_ref,
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|                                      const char *name, uint length);
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| bool check_grant_all_columns(THD *thd, ulong want_access, GRANT_INFO *grant,
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|                              const char* db_name, const char *table_name,
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|                              Field_iterator *fields);
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| bool check_grant_routine(THD *thd, ulong want_access,
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| 			 TABLE_LIST *procs, bool is_proc, bool no_error);
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| bool check_grant_db(THD *thd,const char *db);
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| ulong get_table_grant(THD *thd, TABLE_LIST *table);
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| ulong get_column_grant(THD *thd, GRANT_INFO *grant,
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|                        const char *db_name, const char *table_name,
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|                        const char *field_name);
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| bool mysql_show_grants(THD *thd, LEX_USER *user);
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| void get_privilege_desc(char *to, uint max_length, ulong access);
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| void get_mqh(const char *user, const char *host, USER_CONN *uc);
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| bool mysql_create_user(THD *thd, List <LEX_USER> &list);
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| bool mysql_drop_user(THD *thd, List <LEX_USER> &list);
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| bool mysql_rename_user(THD *thd, List <LEX_USER> &list);
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| bool mysql_revoke_all(THD *thd, List <LEX_USER> &list);
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| void fill_effective_table_privileges(THD *thd, GRANT_INFO *grant,
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|                                      const char *db, const char *table);
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| bool sp_revoke_privileges(THD *thd, const char *sp_db, const char *sp_name,
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|                           bool is_proc);
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| bool sp_grant_privileges(THD *thd, const char *sp_db, const char *sp_name,
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|                          bool is_proc);
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| bool check_routine_level_acl(THD *thd, const char *db, const char *name,
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|                              bool is_proc);
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| bool is_acl_user(const char *host, const char *user);
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| #ifdef NO_EMBEDDED_ACCESS_CHECKS
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| #define check_grant(A,B,C,D,E,F) 0
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| #define check_grant_db(A,B) 0
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| #endif
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