Add a Cisco-Avpair with intercept details to RADIUS Start/Stop records

Changes

@@ -1,4 +1,4 @@
-* Mon May 2 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0
+* Tue May 3 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0
 - Add IPv6 support from Jonathan McDowell.
 - Add CHAP support from Jordan Hrycaj (work in progress).
 - Sanity check that cluster_send_session is not called from a child
@@ -46,6 +46,8 @@
   been bytes received from the modem (dead sessions were having the
   idle timeout reset by stray packets).
 - Use cli_error() for error messages and help.
+- Add a Cisco-Avpair with intercept details to RADIUS Start/Stop
+  records.
 
 * Fri Dec 17 2004 Brendan O'Dea <bod@optusnet.com.au> 2.0.13
 - Better cluster master collision resolution: keep a counter of state

l2tpns.spec

@@ -43,5 +43,5 @@ rm -rf %{buildroot}
 %attr(644,root,root) /usr/share/man/man[58]/*
 
 %changelog
-* Mon May 2 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0-1
+* Tue May 3 2005 Brendan O'Dea <bod@optusnet.com.au> 2.1.0-1
 - 2.1.0 release, see /usr/share/doc/l2tpns-2.1.0/Changes

radius.c

@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.27 2005-04-27 13:53:26 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.28 2005-05-03 05:11:34 bodea Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -271,6 +271,18 @@ void radiussend(uint16_t r, uint8_t state)
 				*(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
 				p += p[1];
 			}
+
+			if (session[s].snoop_ip && session[s].snoop_port)
+			{
+				*p = 26;				// vendor-specific
+				*(uint32_t *) (p + 2) = htonl(9);	// Cisco
+				p[6] = 1;				// Cisco-Avpair
+				p[7] = 2 + sprintf(p + 8, "intercept=%s:%d",
+					fmtaddr(session[s].snoop_ip, 0), session[s].snoop_port);
+
+				p[1] = p[7] + 6;
+				p += p[1];
+			}
 		}
 	}
 	if (s)