From 3cfa1c882618d0a8828f8109567884898f0e437b Mon Sep 17 00:00:00 2001 From: Corey Farrell Date: Fri, 21 Feb 2014 16:49:03 +0000 Subject: chan_sip: prevent add_route from adding empty header. Fix regression caused by ASTERISK-22582. Empty Route headers were added when the route had a single strict hop. (closes issue ASTERISK-23306) Reported by: Matt Jordan Review: https://reviewboard.asterisk.org/r/3236/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@408699 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_sip.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'channels') diff --git a/channels/chan_sip.c b/channels/chan_sip.c index a54437a53..f717c77ee 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -11687,7 +11687,9 @@ static void add_route(struct sip_request *req, struct sip_route *route, int skip } if ((r = sip_route_list(route, 0, skip))) { - add_header(req, "Route", ast_str_buffer(r)); + if (ast_str_strlen(r)) { + add_header(req, "Route", ast_str_buffer(r)); + } ast_free(r); } } -- cgit v1.2.3