/* 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 (1L << 0) #define INSERT_ACL (1L << 1) #define UPDATE_ACL (1L << 2) #define DELETE_ACL (1L << 3) #define CREATE_ACL (1L << 4) #define DROP_ACL (1L << 5) #define RELOAD_ACL (1L << 6) #define SHUTDOWN_ACL (1L << 7) #define PROCESS_ACL (1L << 8) #define FILE_ACL (1L << 9) #define GRANT_ACL (1L << 10) #define REFERENCES_ACL (1L << 11) #define INDEX_ACL (1L << 12) #define ALTER_ACL (1L << 13) #define SHOW_DB_ACL (1L << 14) #define SUPER_ACL (1L << 15) #define CREATE_TMP_ACL (1L << 16) #define LOCK_TABLES_ACL (1L << 17) #define EXECUTE_ACL (1L << 18) #define REPL_SLAVE_ACL (1L << 19) #define REPL_CLIENT_ACL (1L << 20) /* don't forget to update static struct show_privileges_st sys_privileges[] in sql_show.cc when adding new privileges! */ #define DB_ACLS \ (UPDATE_ACL | SELECT_ACL | INSERT_ACL | DELETE_ACL | CREATE_ACL | DROP_ACL | \ GRANT_ACL | REFERENCES_ACL | INDEX_ACL | ALTER_ACL | CREATE_TMP_ACL | LOCK_TABLES_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 | SHOW_DB_ACL | SUPER_ACL | \ CREATE_TMP_ACL | LOCK_TABLES_ACL | REPL_SLAVE_ACL | REPL_CLIENT_ACL | \ EXECUTE_ACL) #define EXTRA_ACL (1L << 29) #define NO_ACCESS (1L << 30) /* Defines to change the above bits to how things are stored in tables This is needed as the 'host' and 'db' table is missing a few privileges */ /* Continius bit-segments that needs to be shifted */ #define DB_REL1 (RELOAD_ACL | SHUTDOWN_ACL | PROCESS_ACL | FILE_ACL) #define DB_REL2 (GRANT_ACL | REFERENCES_ACL) /* Privileges that needs to be reallocated (in continous chunks) */ #define DB_CHUNK1 (GRANT_ACL | REFERENCES_ACL | INDEX_ACL | ALTER_ACL) #define DB_CHUNK2 (CREATE_TMP_ACL | LOCK_TABLES_ACL) #define fix_rights_for_db(A) (((A) & 63) | (((A) & DB_REL1) << 4) | (((A) & DB_REL2) << 6)) #define get_rights_for_db(A) (((A) & 63) | (((A) & DB_CHUNK1) >> 4) | (((A) & DB_CHUNK2) >> 6)) #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) & 7) | (((A) & ~7) << 8)) #define get_rights_for_column(A) (((A) & 7) | ((A) >> 8)) /* Classes */ struct acl_host_and_ip { char *hostname; long ip,ip_mask; // Used with masked ip:s }; class ACL_ACCESS { public: ulong sort; ulong access; }; /* ACL_HOST is used if no host is specified */ class ACL_HOST :public ACL_ACCESS { public: acl_host_and_ip host; char *db; }; class ACL_USER :public ACL_ACCESS { public: acl_host_and_ip host; uint hostname_length; USER_RESOURCES user_resource; char *user; uint8 salt[SCRAMBLE_LENGTH+1]; // scrambled password in binary form uint8 salt_len; // 0 - no password, 4 - 3.20, 8 - 3.23, 20 - 4.1.1 enum SSL_type ssl_type; const char *ssl_cipher, *x509_issuer, *x509_subject; }; class ACL_DB :public ACL_ACCESS { public: acl_host_and_ip host; char *user,*db; }; /* prototypes */ bool hostname_requires_resolving(const char *hostname); my_bool acl_init(bool dont_read_acl_tables); my_bool acl_reload(THD *thd); void acl_free(bool end=0); ulong acl_get(const char *host, const char *ip, const char *user, const char *db, my_bool db_is_pattern); int acl_getroot(THD *thd, USER_RESOURCES *mqh, const char *passwd, uint passwd_len); bool acl_check_host(const char *host, const char *ip); bool check_change_password(THD *thd, const char *host, const char *user, char *password, uint password_len); bool change_password(THD *thd, const char *host, const char *user, char *password); int mysql_grant(THD *thd, const char *db, List &user_list, ulong rights, bool revoke); int mysql_table_grant(THD *thd, TABLE_LIST *table, List &user_list, List &column_list, ulong rights, bool revoke); my_bool grant_init(); void grant_free(void); my_bool grant_reload(THD *thd); bool check_grant(THD *thd, ulong want_access, TABLE_LIST *tables, uint show_command, uint number, bool dont_print_error); bool check_grant_column (THD *thd,TABLE *table, const char *name, uint length, uint show_command=0); bool check_grant_all_columns(THD *thd, ulong want_access, TABLE *table); bool check_grant_db(THD *thd,const char *db); ulong get_table_grant(THD *thd, TABLE_LIST *table); ulong get_column_grant(THD *thd, TABLE_LIST *table, Field *field); int mysql_show_grants(THD *thd, LEX_USER *user); void get_privilege_desc(char *to, uint max_length, ulong access); void get_mqh(const char *user, const char *host, USER_CONN *uc); int mysql_drop_user(THD *thd, List &list); int mysql_revoke_all(THD *thd, List &list); #ifdef NO_EMBEDDED_ACCESS_CHECKS #define check_grant(A,B,C,D,E,F) 0 #define check_grant_db(A,B) 0 #endif