From: Russell Bryant <russell@russellbryant.com>
Date: Fri, 14 Jan 2005 04:59:54 +0000 (+0000)
Subject: Don't allow masquerading into oneself (bug #3040)
X-Git-Tag: 1.0.11.1~269
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ef418765c1425b2527ff888233a0ebb295c610b;p=thirdparty%2Fasterisk.git

Don't allow masquerading into oneself (bug #3040)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4788 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index a9692ade27..61297b49b6 100755
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -5135,9 +5135,13 @@ static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
 			p2 = p2->next;
 		}
 		ast_mutex_unlock(&iflock);
-		if (p->refer_call)
-			return 0;
-		else
+		if (p->refer_call) {
+			if (p->refer_call == p) {
+				ast_log(LOG_NOTICE, "Supervised transfer attempted to transfer into same call id (%s == %s)!\n", tmp5, p->callid);
+				p->refer_call = NULL;
+			} else
+				return 0;
+		} else
 			ast_log(LOG_NOTICE, "Supervised transfer requested, but unable to find callid '%s'\n", tmp5);
 	} else if (ast_exists_extension(NULL, p->context, c, 1, NULL) || !strcmp(c, ast_parking_ext())) {
 		/* This is an unsupervised transfer */