master: make setting listen empty an error

dovecot · Jun 14, 2016 · 2f83c2f · 2f83c2f
1 parent 7789356
commit 2f83c2f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/master/master-settings.c b/src/master/master-settings.c
@@ -432,6 +432,11 @@ master_settings_verify(void *_set, pool_t pool, const char **error_r)
 	unsigned int max_client_limit = set->default_client_limit;
 #endif
 
+	if (*set->listen == '\0') {
+		*error_r = "listen can't be set empty";
+		return FALSE;
+	}
+
 	len = strlen(set->base_dir);
 	if (len > 0 && set->base_dir[len-1] == '/') {
 		/* drop trailing '/' */