X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Froute.c;h=191765d63e08a8aa7d74a934d64ca6ec1a792dfc;hb=fb201f9a34229320493e822e65581543dc0e4b53;hp=8ff2e39cbad1ace318c6c669ca5ac823688ebeda;hpb=e924096f62655d711cd2d114a8d1ef0fecbb593b;p=meshlink

diff --git a/src/route.c b/src/route.c
index 8ff2e39c..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
@@ -13,129 +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 1.1.2.4 2001/01/05 23:53:53 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 <syslog.h>
+#include "system.h"
 
+#include "logger.h"
 #include "net.h"
-#include "connection.h"
-#include "subnet.h"
 #include "route.h"
-
-#include "system.h"
-
-int routing_mode = RMODE_ROUTER;	/* Will be used to determine if we route by MAC or by payload's protocol */
-
-connection_t *route_mac(connection_t *source, vpn_packet_t *packet)
-{
-  connection_t *oldsrc, *dst;
-  subnet_t *subnet;
-cp
-  /* Learn source address */
-
-  oldsrc = lookup_subnet_mac((mac_t *)(&packet->data[0]))->owner;
-  
-  if(!oldsrc)
-    {
-      subnet = new_subnet();
-      subnet->type = SUBNET_MAC;
-      memcpy(&subnet->net.mac.address, (mac_t *)(&packet->data[0]), sizeof(mac_t));
-      subnet_add(source, subnet);
-    }
-
-  /* FIXME: do ageing and roaming */
-  
-  /* Lookup destination address */
-    
-  dst = lookup_subnet_mac((mac_t *)(&packet->data[6]))->owner;
-
-  if(!dst)
-    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 dst;  
+#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)->owner;
-  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
-  if(debug_lvl > DEBUG_NOTHING)
-    {
-      syslog(LOG_WARNING, _("Cannot route packet: IPv6 routing not implemented yet"));
-    } 
-cp
-  return NULL;
-}
-
-connection_t *route_packet(connection_t *source, vpn_packet_t *packet)
-{
-  unsigned short int type;
-cp
-  /* FIXME: multicast? */
-
-  switch(routing_mode)
-    {
-      case RMODE_HUB:
-        return broadcast;
-        
-      case RMODE_SWITCH:
-        return route_mac(source, packet);
-        
-      case RMODE_ROUTER:
-        type = ntohs(*((unsigned short*)(&packet->data[12])));
-        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;
-           }
-    }
+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);
 }