X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Froute.c;h=191765d63e08a8aa7d74a934d64ca6ec1a792dfc;hb=fb201f9a34229320493e822e65581543dc0e4b53;hp=4620665461d130a2a8fecc5f51f2a3cab8d362fb;hpb=408ca91766088b6c2d38e198b0692bf394b41248;p=meshlink

diff --git a/src/route.c b/src/route.c
index 46206654..5eed418c 100644
--- a/src/route.c
+++ b/src/route.c
@@ -1,7 +1,7 @@
 /*
     route.c -- routing
-    Copyright (C) 2000 Ivo Timmermans <itimmermans@bigfoot.com>,
-                  2000 Guus Sliepen <guus@sliepen.warande.net>
+    Copyright (C) 2000-2005 Ivo Timmermans,
+                  2000-2013 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -13,100 +13,54 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    $Id: route.c,v 1.1.2.3 2000/11/20 19:12:17 guus Exp $
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#include "config.h"
-
-#include <utils.h>
-#include <xalloc.h>
-
-#include "net.h"
-#include "connection.h"
-
 #include "system.h"
 
-int routing_mode = 0;		/* Will be used to determine if we route by MAC or by payload's protocol */
-
-connection_t *route_packet(vpn_packet_t *packet)
-{
-  unsigned short type;
-cp
-  type = ntohs(*((unsigned short*)(&packet.data[12])))
-
-  if(routing_mode)
-    {
-      return route_mac(packet);
-    }
-
-  switch(type)
-    {
-      case 0x0800:
-        return route_ipv4(packet);
-      case 0x86DD:
-        return route_ipv6(packet);
-/*
-      case 0x8137:
-        return route_ipx(packet);
-      case 0x0806:
-        return route_arp(packet);
-*/
-      default:
-        if(debug_lvl >= DEBUG_TRAFFIC)
-          {
-            syslog(LOG_WARNING, _("Cannot route packet: unknown type %hx"), type);
-          }
-        return NULL;
-     }
-}
-
-connection_t *route_mac(vpn_packet_t *packet)
-{
-  connection_t *cl;
-cp
-  cl = lookup_subnet_mac((mac_t *)(&packet.data[6]));
-  if(!cl)
-    if(debug_lvl >= DEBUG_TRAFFIC)
-      {
-        syslog(LOG_WARNING, _("Cannot route packet: unknown destination address %x:%x:%x:%x:%x:%x"),
-               packet.data[6],
-               packet.data[7],
-               packet.data[8],
-               packet.data[9],
-               packet.data[10],
-               packet.data[11]);
-      } 
-cp  
-  return cl;  
+#include "logger.h"
+#include "net.h"
+#include "route.h"
+#include "utils.h"
+
+rmode_t routing_mode = RMODE_ROUTER;
+fmode_t forwarding_mode = FMODE_INTERNAL;
+bmode_t broadcast_mode = BMODE_MST;
+bool decrement_ttl = false;
+bool directonly = false;
+bool priorityinheritance = false;
+int macexpire = 600;
+bool overwrite_mac = false;
+mac_t mymac = {{0xFE, 0xFD, 0, 0, 0, 0}};
+bool pcap = false;
+
+static bool ratelimit(int frequency) {
+	static time_t lasttime = 0;
+	static int count = 0;
+
+	if(lasttime == now.tv_sec) {
+		if(count >= frequency)
+			return true;
+	} else {
+		lasttime = now.tv_sec;
+		count = 0;
+	}
+
+	count++;
+	return false;
 }
 
-
-connection_t *route_ipv4(vpn_packet_t *packet)
-{
-  ipv4_t dest;
-  connection_t *cl;
-cp
-  dest = ntohl(*((unsigned long*)(&packet.data[30]);
-  
-  cl = lookup_subnet_ipv4(dest);
-  if(!cl)
-    if(debug_lvl >= DEBUG_TRAFFIC)
-      {
-        syslog(LOG_WARNING, _("Cannot route packet: unknown destination address %d.%d.%d.%d"),
-               packet.data[30], packet.data[31], packet.data[32], packet.data[33]);
-      } 
-cp
-  return cl;  
+static bool checklength(node_t *source, vpn_packet_t *packet, length_t length) {
+	if(packet->len < length) {
+		logger(DEBUG_TRAFFIC, LOG_WARNING, "Got too short packet from %s (%s)", source->name, source->hostname);
+		return false;
+	} else
+		return true;
 }
 
-connection_t *route_ipv6(vpn_packet_t *packet)
-{
-cp
-  syslog(LOG_WARNING, _("Cannot route packet: IPv6 routing not implemented yet"));
-cp
-  return NULL;
+void route(node_t *source, vpn_packet_t *packet) {
+	// TODO: route on name or key
+	logger(DEBUG_TRAFFIC, LOG_WARNING, "Saverio prints packet %s ", packet->data + 46);
 }