From b6b5525347ba1c5c22cd705f92db8fdd2a322c1a Mon Sep 17 00:00:00 2001
From: Olle Johansson <oej@edvina.net>
Date: Tue, 1 Jul 2008 15:03:59 +0000
Subject: [PATCH] Merged revisions 126902 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r126902 | oej | 2008-07-01 16:59:31 +0200 (Tis, 01 Jul 2008) | 7 lines

Use domain part of SIP uri in register= configuration as fromdomain.

Reported by: one47
Patches:
      sip-reg-fromdom2.dpatch uploaded by one47 (license 23)
(closes issue #12474)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@126903 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_sip.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 43ee565718..36b3942c63 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -9733,6 +9733,7 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
 	char addr[80];
 	struct sip_pvt *p;
 	int res;
+	char *fromdomain;
 
 	/* exit if we are already in process with this registrar ?*/
 	if (r == NULL || ((auth == NULL) && (r->regstate == REG_STATE_REGSENT || r->regstate == REG_STATE_AUTHSENT))) {
@@ -9851,12 +9852,19 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
 		ast_debug(1, "Scheduled a registration timeout for %s id  #%d \n", r->hostname, r->timeout);
 	}
 
-	if (strchr(r->username, '@')) {
+	if ((fromdomain = strchr(r->username, '@'))) {
+		/* We have a domain in the username for registration */
 		snprintf(from, sizeof(from), "<sip:%s>;tag=%s", r->username, p->tag);
 		if (!ast_strlen_zero(p->theirtag))
 			snprintf(to, sizeof(to), "<sip:%s>;tag=%s", r->username, p->theirtag);
 		else
 			snprintf(to, sizeof(to), "<sip:%s>", r->username);
+
+		/* If the registration username contains '@', then the domain should be used as
+		   the equivalent of "fromdomain" for the registration */
+		if (ast_strlen_zero(p->fromdomain)) {
+			ast_string_field_set(p, fromdomain, ++fromdomain);
+		}
 	} else {
 		snprintf(from, sizeof(from), "<sip:%s@%s>;tag=%s", r->username, p->tohost, p->tag);
 		if (!ast_strlen_zero(p->theirtag))
-- 
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