Fix a possible crash due to passing NULL to ast_variables_dup()

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370726 65c4cc65-6c06-0410-ace0-fbb531ad65f3
13 years ago · 38f0ca423e
parent ea0732def2
commit 38f0ca423e
1 changed files with 3 additions and 1 deletions
--- a/main/manager.c
+++ b/main/manager.c
@ -2556,7 +2556,9 @@ static int authenticate(struct mansession *s, const struct message *m)
 	s->session->readperm = user->readperm;
 	s->session->writeperm = user->writeperm;
 	s->session->writetimeout = user->writetimeout;
-	s->session->chanvars = ast_variables_dup(user->chanvars);
+	if (user->chanvars) {
+		s->session->chanvars = ast_variables_dup(user->chanvars);
+	}

 	filter_iter = ao2_iterator_init(user->whitefilters, 0);
 	while ((regex_filter = ao2_iterator_next(&filter_iter))) {