X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/7fd4346bbbf03622abf0e09d4f1efb32169a7cf0..18c0dec97f190fa175898d1c0b509ef7c775d75e:/l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index 55621a5..c41b502 100644
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -187,6 +187,7 @@ config_descriptt config_values[] = {
 	CONFIG("disable_no_spoof", disable_no_spoof, BOOL),
 	CONFIG("bind_multi_address", bind_multi_address, STRING),
 	CONFIG("pppoe_only_equal_svc_name", pppoe_only_equal_svc_name, BOOL),
+	CONFIG("multi_hostname", multi_hostname, STRING),
 	{ NULL, 0, 0, 0 }
 };
 
@@ -2412,7 +2413,8 @@ static void tunnelshutdown(tunnelidt t, char *reason, int result, int error, cha
 // read and process packet on tunnel (UDP)
 void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexudpfd)
 {
-	uint8_t *chapresponse = NULL;
+	uint8_t *sendchalresponse = NULL;
+	uint8_t *recvchalresponse = NULL;
 	uint16_t l = len, t = 0, s = 0, ns = 0, nr = 0;
 	uint8_t *p = buf + 2;
 
@@ -2816,17 +2818,20 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
 						tunnel[t].window = 1; // window of 0 is silly
 					LOG(4, s, t, "   rx window = %u\n", tunnel[t].window);
 					break;
-				case 11:	// Challenge
+				case 11:	// Request Challenge
 					{
 						LOG(4, s, t, "   LAC requested CHAP authentication for tunnel\n");
-						build_chap_response(b, 2, n, &chapresponse);
+						if (message == 1)
+							build_chap_response(b, 2, n, &sendchalresponse);
+						else if (message == 2)
+							build_chap_response(b, 3, n, &sendchalresponse);
 					}
 					break;
-				case 13:    // Response
+				case 13:    // receive challenge Response
 					if (tunnel[t].isremotelns)
 					{
-						chapresponse = calloc(17, 1);
-						memcpy(chapresponse, b, (n < 17) ? n : 16);
+						recvchalresponse = calloc(17, 1);
+						memcpy(recvchalresponse, b, (n < 17) ? n : 16);
 						LOG(3, s, t, "received challenge response from REMOTE LNS\n");
 					}
 					else
@@ -3062,8 +3067,8 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
 						controlt *c = controlnew(2); // sending SCCRP
 						control16(c, 2, version, 1); // protocol version
 						control32(c, 3, 3, 1); // framing
-						controls(c, 7, hostname, 1); // host name
-						if (chapresponse) controlb(c, 13, chapresponse, 16, 1); // Challenge response
+						controls(c, 7, config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname, 1); // host name
+						if (sendchalresponse) controlb(c, 13, sendchalresponse, 16, 1); // Send Challenge response
 						control16(c, 9, t, 1); // assigned tunnel
 						controladd(c, 0, t); // send the resply
 					}
@@ -3078,20 +3083,21 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
 					LOG(3, s, t, "Received SCCRP\n");
 					if (main_quit != QUIT_SHUTDOWN)
 					{
-						if (tunnel[t].isremotelns && chapresponse)
+						if (tunnel[t].isremotelns && recvchalresponse)
 						{
 							hasht hash;
 
 							lac_calc_rlns_auth(t, 2, hash); // id = 2 (SCCRP)
 							// check authenticator
-							if (memcmp(hash, chapresponse, 16) == 0)
+							if (memcmp(hash, recvchalresponse, 16) == 0)
 							{
 								LOG(3, s, t, "sending SCCCN to REMOTE LNS\n");
 								controlt *c = controlnew(3); // sending SCCCN
-								controls(c, 7, hostname, 1); // host name
+								controls(c, 7, config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname, 1); // host name
 								controls(c, 8, Vendor_name, 1); // Vendor name
 								control16(c, 2, version, 1); // protocol version
 								control32(c, 3, 3, 1); // framing Capabilities
+								if (sendchalresponse) controlb(c, 13, sendchalresponse, 16, 1); // Challenge response
 								control16(c, 9, t, 1); // assigned tunnel
 								controladd(c, 0, t); // send
 							}
@@ -3234,7 +3240,8 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
 						LOG(1, s, t, "Unknown message type %u\n", message);
 					break;
 				}
-			if (chapresponse) free(chapresponse);
+			if (sendchalresponse) free(sendchalresponse);
+			if (recvchalresponse) free(recvchalresponse);
 			cluster_send_tunnel(t);
 		}
 		else
@@ -5420,6 +5427,8 @@ static void update_config()
 				config->iftun_n_address[config->nbmultiaddress] = htonl(ip);
 				config->nbmultiaddress++;
 				LOG(1, 0, 0, "Bind address %s\n", fmtaddr(htonl(ip), 0));
+
+				if (config->nbmultiaddress >= MAX_BINDADDR) break;
 			}
 
 			sip = n;
@@ -5438,6 +5447,42 @@ static void update_config()
 		config->iftun_n_address[0] = config->iftun_address;
 	}
 
+	if (*config->multi_hostname)
+	{
+		char *shost = config->multi_hostname;
+		char *n = shost;
+		char *e = config->multi_hostname + strlen(config->multi_hostname);
+		config->nbmultihostname = 0;
+
+		while (*shost && (shost < e))
+		{
+			while ((n < e) && (*n == ' ' || *n == ',' || *n == '\t')) n++;
+
+			i = 0;
+			while (n < e && (*n != ',') && (*n != '\t'))
+			{
+				config->multi_n_hostname[config->nbmultihostname][i] = *n;
+				n++;i++;
+			}
+
+			if (i > 0)
+			{
+				config->multi_n_hostname[config->nbmultihostname][i] = 0;
+				LOG(1, 0, 0, "Bind Hostname %s\n", config->multi_n_hostname[config->nbmultihostname]);
+				config->nbmultihostname++;
+				if (config->nbmultihostname >= MAX_NBHOSTNAME) break;
+			}
+
+			shost = n;
+		}
+
+		if (config->nbmultihostname >= 1)
+		{
+			strcpy(hostname, config->multi_n_hostname[0]);
+			strcpy(config->hostname, hostname);
+		}
+	}
+
 	if (!*config->pppoe_ac_name)
 		strncpy(config->pppoe_ac_name, DEFAULT_PPPOE_AC_NAME, sizeof(config->pppoe_ac_name) - 1);
 
@@ -6512,7 +6557,7 @@ void lac_send_SCCRQ(tunnelidt t, uint8_t * auth, unsigned int auth_len)
 
 	// Sent SCCRQ - Start Control Connection Request
 	controlt *c = controlnew(1); // sending SCCRQ
-	controls(c, 7, hostname, 1); // host name
+	controls(c, 7, config->multi_n_hostname[tunnel[t].indexudp][0]?config->multi_n_hostname[tunnel[t].indexudp]:hostname, 1); // host name
 	controls(c, 8, Vendor_name, 1); // Vendor name
 	control16(c, 2, version, 1); // protocol version
 	control32(c, 3, 3, 1); // framing Capabilities