X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Froute.c;h=cffb7d25ab491cf6c31590e6570a826de75afc1c;hb=22f930e7c6352a1b43b1605799925e10fced254a;hp=fabb90ff54f9626ee1bd196a93b8edf3516f25ea;hpb=a86faaf34711d6b0f278b670d70a229a3cf0d479;p=meshlink

diff --git a/src/route.c b/src/route.c
index fabb90ff..cffb7d25 100644
--- a/src/route.c
+++ b/src/route.c
@@ -1,7 +1,6 @@
 /*
     route.c -- routing
-    Copyright (C) 2000-2005 Ivo Timmermans,
-                  2000-2013 Guus Sliepen <guus@meshlink.io>
+    Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
 
     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
@@ -24,6 +23,7 @@
 #include "net.h"
 #include "route.h"
 #include "utils.h"
+#include "libmeshlink.h"
 
 rmode_t routing_mode = RMODE_ROUTER;
 fmode_t forwarding_mode = FMODE_INTERNAL;
@@ -32,7 +32,6 @@ 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;
 
@@ -60,6 +59,50 @@ static bool checklength(node_t *source, vpn_packet_t *packet, length_t length) {
 		return true;
 }
 
-void route(node_t *source, vpn_packet_t *packet) {
-	// TODO: route on name or key
+void route(node_t *source,vpn_packet_t *packet) {
+    // TODO: route on name or key
+
+    node_t* owner = NULL;
+    node_t* via = NULL;
+    tincpackethdr* hdr = (tincpackethdr*)packet->data;
+    owner = lookup_node(hdr->destination);
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "Routing packet from: %s . To: %s \n",hdr->source,hdr->destination);
+
+    //Check Lenght
+    if(!checklength(source, packet, (sizeof(tincpackethdr))))
+        return;
+
+    if (owner == NULL) {
+    //Lookup failed
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "Cant lookup the owner of a packet in the route() function. This should never happen \n");
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "Destination was: %s \n",hdr->destination);
+    return;
+    }
+
+    if (owner == myself ) {
+    //TODO: implement sending received data from meshlink library to the application
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "I received a packet for me with payload: %s \n", packet->data + 46);
+    (recv_callback)(packet->data + 46);
+    return;
+    }
+
+    if(!owner->status.reachable) {
+    //TODO: check what to do here, not just print a warning
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "The owner of a packet in the route() function is unreachable. Dropping packet. \n");
+    return;
+    }
+
+    via = (owner->via == myself) ? owner->nexthop : owner->via;
+    if(via == source) {
+	logger(DEBUG_TRAFFIC, LOG_ERR, "Routing loop for packet from %s (%s)!", source->name, source->hostname);
+	return;
+    }
+
+    if (directonly && owner!=via) {
+    logger(DEBUG_TRAFFIC, LOG_WARNING, "Direct Only is requested. Dropping packet because direct connection not available \n");
+    return;
+    }
+
+    send_packet(owner,packet);
+    return;
 }