From 7f7e7d27e43101659106d2cd2d7414c483573bff Mon Sep 17 00:00:00 2001
From: Jason Parker <jparker@digium.com>
Date: Tue, 18 Mar 2008 15:10:16 +0000
Subject: [PATCH] Merged revisions 109391 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r109391 | qwell | 2008-03-18 10:08:41 -0500 (Tue, 18 Mar 2008) | 3 lines

Do not return with a successful authentication if the From header ends up empty.
(AST-2008-003)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@109393 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_sip.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index a9f29721e9..0f1edc1db9 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -9396,8 +9396,6 @@ static enum check_auth_result check_user_full(struct sip_pvt *p, struct sip_requ
 			ast_shrink_phone_number(tmp);
 		ast_string_field_set(p, cid_num, tmp);
 	}
-	if (ast_strlen_zero(of))
-		return AUTH_SUCCESSFUL;
 
 	if (!authpeer)	/* If we are looking for a peer, don't check the user objects (or realtime) */
 		user = find_user(of, 1);