X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/5faf075c8de1e0010c7ce1f34a1bf7b553df26b3..e49d6736b53034705fc2f54a36e0965070accd69:/ppp.c

diff --git a/ppp.c b/ppp.c
index c369f37..8c1c9a3 100644
--- a/ppp.c
+++ b/ppp.c
@@ -1,6 +1,6 @@
 // L2TPNS PPP Stuff
 
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.100 2006-04-27 09:53:50 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.101 2006-06-03 08:16:46 bodea Exp $";
 
 #include <stdio.h>
 #include <string.h>
@@ -179,16 +179,24 @@ void processchap(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 		return;
 	}
 
-	r = sess_local[s].radius;
-	if (!r)
+	if (session[s].ppp.phase != Authenticate)
 	{
-		LOG(3, s, t, "Unexpected CHAP message\n");
+	    	LOG(2, s, t, "CHAP ignored in %s phase\n", ppp_phase(session[s].ppp.phase));
 		return;
 	}
 
-	if (session[s].ppp.phase != Authenticate)
+	r = sess_local[s].radius;
+	if (!r)
 	{
-	    	LOG(2, s, t, "CHAP ignored in %s phase\n", ppp_phase(session[s].ppp.phase));
+		LOG(3, s, t, "Unexpected CHAP message\n");
+
+		// Some modems (Netgear DM602, possibly others) persist in using CHAP even
+		// after ACKing our ConfigReq for PAP.
+		if (sess_local[s].lcp_authtype == AUTHPAP && config->radius_authtypes & AUTHCHAP)
+		{
+			sess_local[s].lcp_authtype = AUTHCHAP;
+			sendchap(s, t);
+		}
 		return;
 	}