[sr-dev] git:4.1: pv: safety check for PAI header parsed structure

Module: sip-router Branch: 4.1 Commit: 7bdaca008e1bddbe9ab4db9d70e835ba45f6a5ff URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=7bdaca0… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Thu May 29 17:06:13 2014 +0200 pv: safety check for PAI header parsed structure - reported by Igor Potjevlesch (cherry picked from commit e633ca6b7e748a77825d3208e86bf9bce18944a5) --- modules/pv/pv_core.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/modules/pv/pv_core.c b/modules/pv/pv_core.c index 3f48830..59a3539 100644 --- a/modules/pv/pv_core.c +++ b/modules/pv/pv_core.c @@ -991,6 +991,11 @@ int pv_get_pai(struct sip_msg *msg, pv_param_t *param, } pai_body = get_pai(msg); + if(pai_body==NULL || pai_body->id==NULL) + { + LM_DBG("no P-Asserted-Identity header or empty body\n"); + return pv_get_null(msg, param, res); + } pai_uri = &pai_body->id[0]; cur_id = 0; i = 0;