Fix an infinite loop with tab completion of CLI aliases that reference themselves.

(closes issue #15020)
Reported by: junky

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@192700 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_clialiases.c b/res/res_clialiases.c
index 156212f..d7e38bb 100644 (file)
--- a/res/res_clialiases.c
+++ b/res/res_clialiases.c
@@ -98,7 +98,9 @@ static char *cli_alias_passthrough(struct ast_cli_entry *e, int cmd, struct ast_
        case CLI_GENERATE:
                line = a->line;
                line += (strlen(alias->alias));
-               if (!ast_strlen_zero(a->word)) {
+               if (!strncmp(alias->alias, alias->real_cmd, strlen(alias->alias))) {
+                       generator = NULL;
+               } else if (!ast_strlen_zero(a->word)) {
                        struct ast_str *real_cmd = ast_str_alloca(strlen(alias->real_cmd) + strlen(line) + 1);
                        ast_str_append(&real_cmd, 0, "%s%s", alias->real_cmd, line);
                        generator = ast_cli_generator(ast_str_buffer(real_cmd), a->word, a->n);