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Merge with pulled code

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This commit is contained in:
monty@mysql.com
2004-09-03 22:38:45 +03:00
parent e04f4fb46c cbd67f49e1
commit 46ff90738b
17 changed files with 483 additions and 453 deletions
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68
sql/sql_parse.cc
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@ -1910,7 +1910,7 @@ mysql_execute_command(THD *thd)
DBUG_ASSERT(first_table == all_tables && first_table != 0);
*/
lex->first_lists_tables_same();
/* should be assigned after making firts tables same */
/* should be assigned after making first tables same */
all_tables= lex->query_tables;
if (lex->sql_command != SQLCOM_CREATE_PROCEDURE &&
@ -2386,8 +2386,8 @@ mysql_execute_command(THD *thd)
of query
*/
if (!(lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) &&
find_real_table_in_list(select_tables, create_table->db,
create_table->real_name))
find_table_in_global_list(select_tables, create_table->db,
create_table->real_name))
{
net_printf(thd, ER_UPDATE_TABLE_USED, create_table->real_name);
goto create_error;
@ -2757,7 +2757,7 @@ unsent_create_error:
unit->set_limit(select_lex, select_lex);
// is table which we are changing used somewhere in other parts of query
if (find_real_table_in_list(all_tables->next_global,
if (find_table_in_global_list(all_tables->next_global,
first_table->db, first_table->real_name))
{
/* Using same table for INSERT and SELECT */
@ -3916,7 +3916,7 @@ error:
1 - access denied, error is sent to client
*/
int check_one_table_access(THD *thd, ulong privilege, TABLE_LIST *all_tables)
bool check_one_table_access(THD *thd, ulong privilege, TABLE_LIST *all_tables)
{
if (check_access(thd, privilege, all_tables->db,
&all_tables->grant.privilege, 0, 0))
@ -3960,13 +3960,13 @@ bool
check_access(THD *thd, ulong want_access, const char *db, ulong *save_priv,
bool dont_check_global_grants, bool no_errors)
{
DBUG_ENTER("check_access");
DBUG_PRINT("enter",("want_access: %lu master_access: %lu", want_access,
thd->master_access));
#ifndef NO_EMBEDDED_ACCESS_CHECKS
ulong db_access;
#endif
ulong dummy;
DBUG_ENTER("check_access");
DBUG_PRINT("enter",("db: %s want_access: %lu master_access: %lu",
db ? db : "", want_access, thd->master_access));
if (save_priv)
*save_priv=0;
else
@ -3974,8 +3974,9 @@ check_access(THD *thd, ulong want_access, const char *db, ulong *save_priv,
if ((!db || !db[0]) && !thd->db && !dont_check_global_grants)
{
DBUG_PRINT("error",("No database"));
if (!no_errors)
send_error(thd,ER_NO_DB_ERROR); /* purecov: tested */
send_error(thd,ER_NO_DB_ERROR); /* purecov: tested */
DBUG_RETURN(TRUE); /* purecov: tested */
}
@ -4000,6 +4001,7 @@ check_access(THD *thd, ulong want_access, const char *db, ulong *save_priv,
if (((want_access & ~thd->master_access) & ~(DB_ACLS | EXTRA_ACL)) ||
! db && dont_check_global_grants)
{ // We can never grant this
DBUG_PRINT("error",("No possible access"));
if (!no_errors)
net_printf(thd,ER_ACCESS_DENIED_ERROR,
thd->priv_user,
@ -4018,13 +4020,17 @@ check_access(THD *thd, ulong want_access, const char *db, ulong *save_priv,
db_access=thd->db_access;
/* Remove SHOW attribute and access rights we already have */
want_access &= ~(thd->master_access | EXTRA_ACL);
DBUG_PRINT("info",("db_access: %lu want_access: %lu",
db_access, want_access));
db_access= ((*save_priv=(db_access | thd->master_access)) & want_access);
/* grant_option is set if there exists a single table or column grant */
if (db_access == want_access ||
((grant_option && !dont_check_global_grants) &&
(grant_option && !dont_check_global_grants &&
!(want_access & ~(db_access | TABLE_ACLS))))
DBUG_RETURN(FALSE); /* Ok */
DBUG_PRINT("error",("Access denied"));
if (!no_errors)
net_printf(thd,ER_DBACCESS_DENIED_ERROR,
thd->priv_user,
@ -4112,6 +4118,42 @@ check_table_access(THD *thd, ulong want_access,TABLE_LIST *tables,
return FALSE;
}
/*
Check if the given table has any of the asked privileges
SYNOPSIS
check_some_access()
thd Thread handler
want_access Bitmap of possible privileges to check for
RETURN
0 ok
1 error
*/
bool check_some_access(THD *thd, ulong want_access, TABLE_LIST *table)
{
ulong access;
DBUG_ENTER("check_some_access");
/* This loop will work as long as we have less than 32 privileges */
for (access= 1; access < want_access ; access<<= 1)
{
if (access & want_access)
{
if (!check_access(thd, access, table->db,
&table->grant.privilege, 0, 1) &&
!grant_option || !check_grant(thd, access, table, 0, 1, 1))
DBUG_RETURN(0);
}
}
DBUG_PRINT("exit",("no matching access rights"));
DBUG_RETURN(1);
}
bool check_merge_table_access(THD *thd, char *db,
TABLE_LIST *table_list)
{
@ -4971,6 +5013,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
{
register TABLE_LIST *ptr;
char *alias_str;
LEX *lex= thd->lex;
DBUG_ENTER("add_table_to_list");
if (!table)
@ -5022,7 +5065,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
ptr->force_index= test(table_options & TL_OPTION_FORCE_INDEX);
ptr->ignore_leaves= test(table_options & TL_OPTION_IGNORE_LEAVES);
ptr->derived= table->sel;
ptr->select_lex= thd->lex->current_select;
ptr->select_lex= lex->current_select;
ptr->cacheable_table= 1;
if (use_index_arg)
ptr->use_index=(List<String> *) thd->memdup((gptr) use_index_arg,
@ -5046,8 +5089,9 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
}
}
}
/* Link table in local list (list for current select) */
table_list.link_in_list((byte*) ptr, (byte**) &ptr->next_local);
LEX *lex= thd->lex;
/* Link table in global list (all used tables) */
*(ptr->prev_global= lex->query_tables_last)= ptr;
lex->query_tables_last= &ptr->next_global;
DBUG_RETURN(ptr);