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Import Upstream version 1.0.5

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:37 +02:00
parent 392ff555ea
commit a18165833b
90 changed files with 7610 additions and 5088 deletions
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52
src/route.c
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@ -1,7 +1,7 @@
/*
route.c -- routing
Copyright (C) 2000-2005 Ivo Timmermans <ivo@tinc-vpn.org>,
2000-2005 Guus Sliepen <guus@tinc-vpn.org>
Copyright (C) 2000-2005 Ivo Timmermans,
2000-2006 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
@ -17,7 +17,7 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: route.c 1439 2005-05-04 18:09:30Z guus $
$Id: route.c 1461 2006-08-09 22:31:10Z guus $
*/
#include "system.h"
@ -163,17 +163,23 @@ void age_subnets(void)
static void route_mac(node_t *source, vpn_packet_t *packet)
{
subnet_t *subnet;
mac_t dest;
cp();
/* Learn source address */
if(source == myself)
learn_mac((mac_t *)(&packet->data[6]));
if(source == myself) {
mac_t src;
memcpy(&src, &packet->data[6], sizeof src);
learn_mac(&src);
}
/* Lookup destination address */
subnet = lookup_subnet_mac((mac_t *)(&packet->data[0]));
memcpy(&dest, &packet->data[0], sizeof dest);
subnet = lookup_subnet_mac(&dest);
if(!subnet) {
broadcast_packet(source, packet);
@ -280,7 +286,7 @@ static void fragment_ipv4_packet(node_t *dest, vpn_packet_t *packet) {
todo = ntohs(ip.ip_len) - ip_size;
if(ether_size + ip_size + todo != packet->len) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Length of packet (%d) doesn't match length in IPv4 header (%d)"), packet->len, ether_size + ip_size + todo);
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Length of packet (%d) doesn't match length in IPv4 header (%zd)"), packet->len, ether_size + ip_size + todo);
return;
}
@ -316,18 +322,20 @@ static void route_ipv4_unicast(node_t *source, vpn_packet_t *packet)
{
subnet_t *subnet;
node_t *via;
ipv4_t dest;
cp();
subnet = lookup_subnet_ipv4((ipv4_t *) &packet->data[30]);
memcpy(&dest, &packet->data[30], sizeof dest);
subnet = lookup_subnet_ipv4(&dest);
if(!subnet) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Cannot route packet from %s (%s): unknown IPv4 destination address %d.%d.%d.%d"),
source->name, source->hostname,
packet->data[30],
packet->data[31],
packet->data[32],
packet->data[33]);
dest.x[0],
dest.x[1],
dest.x[2],
dest.x[3]);
route_ipv4_unreachable(source, packet, ICMP_DEST_UNREACH, ICMP_NET_UNKNOWN);
return;
@ -454,22 +462,24 @@ static void route_ipv6_unicast(node_t *source, vpn_packet_t *packet)
{
subnet_t *subnet;
node_t *via;
ipv6_t dest;
cp();
subnet = lookup_subnet_ipv6((ipv6_t *) &packet->data[38]);
memcpy(&dest, &packet->data[38], sizeof dest);
subnet = lookup_subnet_ipv6(&dest);
if(!subnet) {
ifdebug(TRAFFIC) logger(LOG_WARNING, _("Cannot route packet from %s (%s): unknown IPv6 destination address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"),
source->name, source->hostname,
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(dest.x[0]),
ntohs(dest.x[1]),
ntohs(dest.x[2]),
ntohs(dest.x[3]),
ntohs(dest.x[4]),
ntohs(dest.x[5]),
ntohs(dest.x[6]),
ntohs(dest.x[7]));
route_ipv6_unreachable(source, packet, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_ADDR);
return;