X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/4caf4199d170130c6c9eb4665629604ec67a9d98..1e6ec8b41afe71f9e1d5cac4a49f9840c609fe4e:/ppp.c

diff --git a/ppp.c b/ppp.c
index d2411a6..d7770e5 100644
--- a/ppp.c
+++ b/ppp.c
@@ -1,6 +1,6 @@
 // L2TPNS PPP Stuff
 
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.85 2005/11/04 14:41:50 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.87 2005/12/04 13:06:50 bodea Exp $";
 
 #include <stdio.h>
 #include <string.h>
@@ -575,7 +575,18 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 			switch (type)
 			{
 				case 1: // Maximum-Receive-Unit
-					session[s].mru = ntohs(*(uint16_t *)(o + 2));
+					{
+						uint16_t mru = ntohs(*(uint16_t *)(o + 2));
+						if (mru >= 576)
+						{
+							session[s].mru = mru;
+							break;
+						}
+
+						LOG(3, s, t, "    Remote requesting MRU of %u.  Rejecting.\n", mru);
+						mru = htons(MRU);
+						q = ppp_conf_nak(s, b, sizeof(b), PPPLCP, &response, q, p, o, (uint8_t *) &mru, sizeof(mru));
+					}
 					break;
 
 				case 2: // Async-Control-Character-Map
@@ -1026,7 +1037,7 @@ void processipcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 			case 131: // secondary DNS
 				if (o[1] != 6 || o[1] > length) return;
 
-				addr = htonl(session[s].dns1);
+				addr = htonl(session[s].dns2);
 				if (memcmp(o + 2, &addr, sizeof(addr)))
 				{
 					q = ppp_conf_nak(s, b, sizeof(b), PPPIPCP, &response, q, p, o, (uint8_t *) &addr, sizeof(addr));