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-rw-r--r--ext/mysql/libmysql/libmysql.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/mysql/libmysql/libmysql.c b/ext/mysql/libmysql/libmysql.c
index 94d6352252..a1f7a4520c 100644
--- a/ext/mysql/libmysql/libmysql.c
+++ b/ext/mysql/libmysql/libmysql.c
@@ -213,6 +213,10 @@ HANDLE create_named_pipe(NET *net, uint connect_timeout, char **arg_host,
if (!host || !strcmp(host,LOCAL_HOST))
host=LOCAL_HOST_NAMEDPIPE;
+ if (sizeof(szPipeName) <= (strlen(host) + strlen(unix_socket) + sizeof("\\\\\\pipe\\"))) {
+ return INVALID_HANDLE_VALUE;
+ }
+
sprintf( szPipeName, "\\\\%s\\pipe\\%s", host, unix_socket);
DBUG_PRINT("info",("Server name: '%s'. Named Pipe: %s",
host, unix_socket));