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

[Daniel-Constantin Mierla]

Module: sip-router
Branch: 4.0
Commit: c67ac0b5ef5183947acf02d496eb5899dad0ba9b
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=c67ac0b5ef5183947acf02d496eb5899dad0ba9b

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Sun Jun 16 17:17:36 2013 +0200

topoh: safety check for To header

- protection for the case when sanity module checks are not enabled
- reported in FS#303 by Michel de Weerd

(cherry picked from commit 4f3d04d547c66a1b59398cf80e93974175141514)

---

 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 73ebf21..e5e7058 100644
--- a/modules/topoh/topoh_mod.c
+++ b/modules/topoh/topoh_mod.c
@@ -227,7 +227,13 @@ int th_prepare_msg(sip_msg_t *msg)
 		LM_ERR("cannot parse FROM header\n");
 		return 3;
 	}
-	
+
+	if(get_to(msg)==NULL)
+	{
+		LM_ERR("cannot parse TO header\n");
+		return 3;
+	}
+
 	return 0;
 }