diff options
Diffstat (limited to 'sql/sql_parse.cc')
| -rw-r--r-- | sql/sql_parse.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index d9f2b9ca70d..7caf75b6639 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -496,6 +496,7 @@ check_connections(THD *thd) { vio_in_addr(net->vio,&thd->remote.sin_addr); thd->host=ip_to_hostname(&thd->remote.sin_addr,&connect_errors); + thd->host[strnlen(thd->host, HOSTNAME_LENGTH)]= 0; if (connect_errors > max_connect_errors) return(ER_HOST_IS_BLOCKED); } @@ -512,6 +513,7 @@ check_connections(THD *thd) thd->ip=0; bzero((char*) &thd->remote,sizeof(struct sockaddr)); } + /* Ensure that wrong hostnames doesn't cause buffer overflows */ vio_keepalive(net->vio, TRUE); ulong pkt_len=0; |