From 9f4e8a5bda633e92fe0c77184c24e45f778dc42a Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Mon, 18 May 2009 13:36:17 +0000
Subject: [PATCH] Fix a bug where specifying an empty outboundproxy would cause
 packets to get sent to ourself.

(closes issue #15106)
Reported by: timeshell


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@195089 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_sip.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 4e3591ebe4..fd30dfd943 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -3097,6 +3097,11 @@ static int proxy_update(struct sip_proxy *proxy)
 static struct sip_proxy *proxy_allocate(char *name, char *port, int force)
 {
 	struct sip_proxy *proxy;
+
+	if (ast_strlen_zero(name)) {
+		return NULL;
+	}
+
 	proxy = ao2_alloc(sizeof(*proxy), NULL);
 	if (!proxy)
 		return NULL;