X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/5151ca40547c87612360f4115a9e17837f64d2b6..181c5dae033dc43eb3d1b6dee5b25796b5b21bdf:/ppp.c

diff --git a/ppp.c b/ppp.c
index 9c98a3c..3841b95 100644
--- a/ppp.c
+++ b/ppp.c
@@ -1,6 +1,6 @@
 // L2TPNS PPP Stuff
 
-char const *cvs_id_ppp = "$Id: ppp.c,v 1.89 2005-12-14 02:19:15 bodea Exp $";
+char const *cvs_id_ppp = "$Id: ppp.c,v 1.93 2006-01-19 21:06:39 bodea Exp $";
 
 #include <stdio.h>
 #include <string.h>
@@ -475,7 +475,6 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 {
 	uint8_t b[MAXETHER];
 	uint8_t *q = NULL;
-	uint32_t magicno = 0;
 	uint16_t hl;
 
 	CSTAT(processlcp);
@@ -499,7 +498,9 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 	if (session[s].die) // going down...
 		return;
 
-	LOG(*p == EchoReq ? 4 : 3, s, t, "LCP: recv %s\n", ppp_code(*p));
+	LOG((*p == EchoReq || *p == EchoReply) ? 4 : 3, s, t,
+		"LCP: recv %s\n", ppp_code(*p));
+
 	if (config->debug > 3) dumplcp(p, l);
 
 	if (*p == ConfigAck)
@@ -647,11 +648,8 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 					}
 					break;
 
-				case 5: // Magic-Number
-					magicno = ntohl(*(uint32_t *)(o + 2));
-					break;
-
 				case 4: // Quality-Protocol
+				case 5: // Magic-Number
 				case 7: // Protocol-Field-Compression
 				case 8: // Address-And-Control-Field-Compression
 					break;
@@ -792,9 +790,20 @@ void processlcp(sessionidt s, tunnelidt t, uint8_t *p, uint16_t l)
 
 					break;
 
+				case 5: // Magic-Number
+					if (*p == ConfigNak)
+					{
+						session[s].magic = ntohl(*(uint32_t *)(o + 2));
+						LOG(3, s, t, "    Remote requested magic-no %x\n", session[s].magic);
+						if (!session[s].magic) session[s].magic = time_now; // Netgear DG814 sends zero??
+						break;
+					}
+					// ConfigRej: fallthrough
+
 				default:
 				    	LOG(2, s, t, "LCP: remote sent %s for type %u?\n", ppp_code(*p), type);
-					break;
+					sessionshutdown(s, "Unable to negotiate LCP.", 3, 0);
+					return;
 			}
 			x -= length;
 			o += length;