along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: route.c,v 1.1.2.58 2003/07/15 16:26:18 guus Exp $
+ $Id: route.c,v 1.1.2.64 2003/08/28 21:05:11 guus Exp $
*/
-#include "config.h"
+#include "system.h"
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-#include <sys/socket.h>
-#include <netinet/in.h>
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
#ifdef HAVE_NET_ETHERNET_H
#include <net/ethernet.h>
#endif
-#ifdef HAVE_NETINET_IN_SYSTM_H
-#include <netinet/in_systm.h>
+#ifdef HAVE_NET_IF_ARP_H
+#include <net/if_arp.h>
#endif
-#include <netinet/ip.h>
+#ifdef HAVE_NETINET_IP_ICMP_H
#include <netinet/ip_icmp.h>
-#ifdef HAVE_NETINET_IP6_H
-#include <netinet/ip6.h>
+#endif
+#ifdef HAVE_NETINET_ICMP6_H
#include <netinet/icmp6.h>
#endif
+#ifdef HAVE_NETINET_IF_ETHER_H
#include <netinet/if_ether.h>
-#include <utils.h>
-#include <xalloc.h>
-#include <string.h>
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
#endif
-#include <avl_tree.h>
-
-#include "net.h"
+#include "avl_tree.h"
#include "connection.h"
-#include "subnet.h"
-#include "route.h"
-#include "protocol.h"
#include "device.h"
+#include "ethernet.h"
+#include "ipv4.h"
+#include "ipv6.h"
#include "logger.h"
+#include "net.h"
+#include "protocol.h"
+#include "route.h"
+#include "subnet.h"
+#include "utils.h"
-#include "system.h"
-
-/* Missing definitions */
-
-#ifndef ETHER_ADDR_LEN
-#define ETHER_ADDR_LEN 6
-#endif
-
-#ifndef ICMP_DEST_UNREACH
-#define ICMP_DEST_UNREACH 3
-#endif
-
-#ifndef ICMP_NET_UNKNOWN
-#define ICMP_NET_UNKNOWN 6
-#endif
-
-#ifndef ICMP_NET_UNREACH
-#define ICMP_NET_UNREACH 0
-#endif
-
-int routing_mode = RMODE_ROUTER;
-int priorityinheritance = 0;
+rmode_t routing_mode = RMODE_ROUTER;
+bool priorityinheritance = false;
int macexpire = 600;
-int overwrite_mac = 0;
+bool overwrite_mac = false;
mac_t mymac = {{0xFE, 0xFD, 0, 0, 0, 0}};
/* RFC 1071 */
return ~checksum;
}
-static int ratelimit(void) {
+static bool ratelimit(void) {
static time_t lasttime = 0;
if(lasttime == now)
- return 1;
+ return true;
lasttime = now;
- return 0;
+ return false;
}
static void learn_mac(mac_t *address)
/* And tell all other tinc daemons it's our MAC */
for(node = connection_tree->head; node; node = node->next) {
- c = (connection_t *) node->data;
+ c = node->data;
if(c->status.active)
send_add_subnet(c, subnet);
}
for(node = myself->subnet_tree->head; node; node = next) {
next = node->next;
- s = (subnet_t *) node->data;
+ s = node->data;
if(s->type == SUBNET_MAC && s->net.mac.lastseen && s->net.mac.lastseen + macexpire < now) {
ifdebug(TRAFFIC) logger(LOG_INFO, _("MAC address %hx:%hx:%hx:%hx:%hx:%hx expired"),
s->net.mac.address.x[0], s->net.mac.address.x[1],
s->net.mac.address.x[4], s->net.mac.address.x[5]);
for(node2 = connection_tree->head; node2; node2 = node2->next) {
- c = (connection_t *) node2->data;
+ c = node2->data;
if(c->status.active)
send_del_subnet(c, s);
}
if(priorityinheritance)
packet->priority = packet->data[15];
- subnet = lookup_subnet_ipv4((ipv4_t *) & packet->data[30]);
+ subnet = lookup_subnet_ipv4((ipv4_t *) &packet->data[30]);
if(!subnet) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Cannot route packet: unknown IPv4 destination address %d.%d.%d.%d"),
cp();
- subnet = lookup_subnet_ipv6((ipv6_t *) & packet->data[38]);
+ subnet = lookup_subnet_ipv6((ipv6_t *) &packet->data[38]);
if(!subnet) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Cannot route packet: unknown IPv6 destination address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"),
- ntohs(*(uint16_t *) & packet->data[38]),
- ntohs(*(uint16_t *) & packet->data[40]),
- ntohs(*(uint16_t *) & packet->data[42]),
- ntohs(*(uint16_t *) & packet->data[44]),
- ntohs(*(uint16_t *) & packet->data[46]),
- ntohs(*(uint16_t *) & packet->data[48]),
- ntohs(*(uint16_t *) & packet->data[50]),
- ntohs(*(uint16_t *) & packet->data[52]));
+ ntohs(*(uint16_t *) &packet->data[38]),
+ ntohs(*(uint16_t *) &packet->data[40]),
+ ntohs(*(uint16_t *) &packet->data[42]),
+ ntohs(*(uint16_t *) &packet->data[44]),
+ ntohs(*(uint16_t *) &packet->data[46]),
+ ntohs(*(uint16_t *) &packet->data[48]),
+ ntohs(*(uint16_t *) &packet->data[50]),
+ ntohs(*(uint16_t *) &packet->data[52]));
route_ipv6_unreachable(packet, ICMP6_DST_UNREACH_ADDR);
return NULL;
/* Check if the IPv6 address exists on the VPN */
- subnet = lookup_subnet_ipv6((ipv6_t *) & ns->nd_ns_target);
+ subnet = lookup_subnet_ipv6((ipv6_t *) &ns->nd_ns_target);
if(!subnet) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Cannot route packet: neighbor solicitation request for unknown address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"),
- ntohs(((uint16_t *) & ns->nd_ns_target)[0]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[1]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[2]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[3]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[4]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[5]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[6]),
- ntohs(((uint16_t *) & ns->nd_ns_target)[7]));
+ ntohs(((uint16_t *) &ns->nd_ns_target)[0]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[1]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[2]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[3]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[4]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[5]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[6]),
+ ntohs(((uint16_t *) &ns->nd_ns_target)[7]));
return;
}