database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

mysql.cc:

Browse Source 
SQL_SELECT_LIMIT=0 protection


client/mysql.cc:
  SQL_SELECT_LIMIT=0 protection
This commit is contained in:
unknown
2004-09-15 13:26:47 +05:00
parent eeb6f578b9
commit f34ca30698
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
client/mysql.cc
View File

@ -2842,6 +2842,10 @@ com_status(String *buffer __attribute__((unused)),
if (connected) if (connected)
{ {
tee_fprintf(stdout, "\nConnection id:\t\t%lu\n",mysql_thread_id(&mysql)); tee_fprintf(stdout, "\nConnection id:\t\t%lu\n",mysql_thread_id(&mysql));
/*
Don't remove "limit 1",
it is protection againts SQL_SELECT_LIMIT=0
*/
if (!mysql_query(&mysql,"select DATABASE(), USER() limit 1") && if (!mysql_query(&mysql,"select DATABASE(), USER() limit 1") &&
(result=mysql_use_result(&mysql))) (result=mysql_use_result(&mysql)))
{ {
@ -2886,7 +2890,11 @@ com_status(String *buffer __attribute__((unused)),
if ((id= mysql_insert_id(&mysql))) if ((id= mysql_insert_id(&mysql)))
tee_fprintf(stdout, "Insert id:\t\t%s\n", llstr(id, buff)); tee_fprintf(stdout, "Insert id:\t\t%s\n", llstr(id, buff));
if (!mysql_query(&mysql,"select @@character_set_client, @@character_set_connection, @@character_set_server, @@character_set_database") && /*
Don't remove "limit 1",
it is protection againts SQL_SELECT_LIMIT=0
*/
if (!mysql_query(&mysql,"select @@character_set_client, @@character_set_connection, @@character_set_server, @@character_set_database limit 1") &&
(result=mysql_use_result(&mysql))) (result=mysql_use_result(&mysql)))
{ {
MYSQL_ROW cur=mysql_fetch_row(result); MYSQL_ROW cur=mysql_fetch_row(result);