X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Froute.c;h=a11c55aefeee1ca3906cc17b13a4afff8d55b5a1;hp=8ff2e39cbad1ace318c6c669ca5ac823688ebeda;hb=07a08f5539f441e66946d1db1711dc584f8621c4;hpb=049ff67817e0db5afbba30930531d8ea3f7f2d18 diff --git a/src/route.c b/src/route.c index 8ff2e39c..a11c55ae 100644 --- a/src/route.c +++ b/src/route.c @@ -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,v 1.1.2.4 2001/01/05 23:53:53 guus Exp $ + $Id: route.c,v 1.1.2.5 2001/01/07 15:25:49 guus Exp $ */ #include "config.h" @@ -33,26 +33,45 @@ #include "system.h" -int routing_mode = RMODE_ROUTER; /* Will be used to determine if we route by MAC or by payload's protocol */ +int routing_mode = RMODE_ROUTER; -connection_t *route_mac(connection_t *source, vpn_packet_t *packet) +void learn_mac(connection_t *source, mac_t *address) { - connection_t *oldsrc, *dst; + connection_t *old; subnet_t *subnet; cp - /* Learn source address */ - - oldsrc = lookup_subnet_mac((mac_t *)(&packet->data[0]))->owner; + old = lookup_subnet_mac(address)->owner; - if(!oldsrc) + if(!old) { subnet = new_subnet(); subnet->type = SUBNET_MAC; - memcpy(&subnet->net.mac.address, (mac_t *)(&packet->data[0]), sizeof(mac_t)); +// subnet->lasttime = gettimeofday(); + memcpy(&subnet->net.mac.address, address, sizeof(mac_t)); subnet_add(source, subnet); + + if(DEBUG_LVL >= DEBUG_TRAFFIC) + { + syslog(LOG_DEBUG, _("Learned new MAC address %x:%x:%x:%x:%x:%x from %s (%s)"), + address->address.x[0], + address->address.x[1], + address->address.x[2], + address->address.x[3], + address->address.x[4], + address->address.x[5], + cl->name, cl->hostname); + } } +} + +connection_t *route_mac(connection_t *source, vpn_packet_t *packet) +{ + connection_t *oldsrc, *dst; + subnet_t *subnet; +cp + /* Learn source address */ - /* FIXME: do ageing and roaming */ + learn_mac(source, (mac_t *)(&packet->data[0])); /* Lookup destination address */ @@ -96,46 +115,67 @@ 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")); + syslog(LOG_WARNING, _("Cannot route packet: IPv6 routing not yet implemented")); } cp return NULL; } -connection_t *route_packet(connection_t *source, vpn_packet_t *packet) +void route_outgoing(vpn_packet_t *packet) { unsigned short int type; + avl_tree_t *node; + connection_t *cl; 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); + cl = route_ipv4(packet); + break; case 0x86DD: - return route_ipv6(packet); - /* - case 0x8137: - return route_ipx(packet); - case 0x0806: - return route_arp(packet); - */ + cl = route_ipv6(packet); + break; default: if(debug_lvl >= DEBUG_TRAFFIC) { syslog(LOG_WARNING, _("Cannot route packet: unknown type %hx"), type); } - return NULL; + return; } + send_packet(cl, packet); + break; + + case RMODE_SWITCH: + cl = route_mac(packet); + if(cl) + send_packet(cl, packet); + break; + + case RMODE_HUB: + for(node = connection_tree->head; node; node = node->next) + { + cl = (connection_t *)node->data; + if(cl->status.active) + send_packet(cl, packet); + } + break; } } + +void route_incoming(connection_t *source, vpn_packet_t *packet) +{ + switch(routing_mode) + { + case RMODE_SWITCH: + learn_mac(source, &packet->data[0]); + break; + } + + accept_packet(packet); +}