[sr-dev] git:4.0: topoh: safety check for missing To header

[Daniel-Constantin Mierla]

Module: sip-router
Branch: 4.0
Commit: d8739609c85cb00da9486b3f91d0c4834048485f
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=d8739609c85cb00da9486b3f91d0c4834048485f

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Wed Sep  4 13:04:23 2013 +0200

topoh: safety check for missing To header

- based on a patch by Michel de Weerd, FS#303

(cherry picked from commit 362d374a61953aee3cf9f96eadaef63c5f22763e)

---

 modules/topoh/topoh_mod.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/modules/topoh/topoh_mod.c b/modules/topoh/topoh_mod.c
index e5e7058..28a53bb 100644
--- a/modules/topoh/topoh_mod.c
+++ b/modules/topoh/topoh_mod.c
@@ -228,12 +228,18 @@ int th_prepare_msg(sip_msg_t *msg)
 		return 3;
 	}
 
-	if(get_to(msg)==NULL)
+	if(parse_to_header(msg)<0 || msg->to==NULL)
 	{
 		LM_ERR("cannot parse TO header\n");
 		return 3;
 	}
 
+	if(get_to(msg)==NULL)
+	{
+		LM_ERR("cannot get TO header\n");
+		return 3;
+	}
+
 	return 0;
 }