From: fendo <fendo@bi12info.com>
Date: Sun, 9 Dec 2012 17:50:07 +0000 (+0100)
Subject: Fix: loopback protection
X-Git-Tag: 2.2.1-2fdn3.1~6
X-Git-Url: http://git.sameswireless.fr/l2tpns.git/commitdiff_plain/0834bba08ed4f1e507320306dc682d7e62371af5

Fix: loopback protection
---

diff --git a/l2tplac.c b/l2tplac.c
index 4c71d6c..f073ecc 100644
--- a/l2tplac.c
+++ b/l2tplac.c
@@ -227,6 +227,8 @@ void lac_save_rad_tag_tunnels(sessionidt s)
 			LOG(1, s, session[s].tunnel, "Error, Bad IP tunnel server endpoint \n");
 		else if (strlen(ptunnelrlns[idtag].tunnel_assignment_id) <= 0)
 			LOG(1, s, session[s].tunnel, "Error, No tunnel_assignment_id \n");
+		else if (ptunnelrlns[idtag].tunnel_server_endpoint == ntohl(config->bind_address))
+			LOG(0, s, session[s].tunnel, "Error, IP Remote LNS == IP local bind address (%s) !!!\n", fmtaddr(config->bind_address, 0));
 		else
 		{
 			for (idrlns = 1; idrlns < MAXRLNSTUNNEL; ++idrlns)