[sr-dev] git:master: tmx: be sure From header is parsed before accessing the tag

[Daniel-Constantin Mierla]

Module: sip-router
Branch: master
Commit: 92ff234d8b39c422aca683d4fbb0cfacc24a77b4
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=92ff234d8b39c422aca683d4fbb0cfacc24a77b4

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Tue Aug 19 11:10:14 2014 +0200

tmx: be sure From header is parsed before accessing the tag

- reported by Juha Heinanen

---

 modules/tmx/tmx_pretran.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/modules/tmx/tmx_pretran.c b/modules/tmx/tmx_pretran.c
index 3483c32..653f64c 100644
--- a/modules/tmx/tmx_pretran.c
+++ b/modules/tmx/tmx_pretran.c
@@ -213,6 +213,10 @@ int tmx_check_pretran(sip_msg_t *msg)
 		LM_ERR("failed to get Via header\n");
 		return -1;
 	}
+	if (parse_from_header(msg)<0 || get_from(msg)->tag_value.len==0) {
+		LM_ERR("failed to get From header\n");
+		return -1;
+	}
 
 	vbr = msg->via1->branch;