X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Froute.c;h=8df8128a116c2f49fce13c5d15d3075561f0b55e;hb=4f47da5b87ef7da608c7e44026122f3d95deb2eb;hp=dc91940ac8d3c47ec1188d6deb431cc9d9774207;hpb=fcbe215d64d7e2f3b159fff6422d750417877ac4;p=tinc diff --git a/src/route.c b/src/route.c index dc91940a..8df8128a 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 1.1.2.18 2001/07/21 20:21:25 guus Exp $ + $Id: route.c,v 1.1.2.21 2001/11/16 17:40:50 zarq Exp $ */ #include "config.h" @@ -46,6 +46,7 @@ #include "subnet.h" #include "route.h" #include "protocol.h" +#include "device.h" #include "system.h" @@ -56,7 +57,7 @@ void learn_mac(mac_t *address) { subnet_t *subnet; avl_node_t *node; - connection_t *p; + connection_t *c; cp subnet = lookup_subnet_mac(address); @@ -77,14 +78,14 @@ cp for(node = connection_tree->head; node; node = node->next) { - p = (connection_t *)node->data; - if(p->status.active) - send_add_subnet(p, subnet); + c = (connection_t *)node->data; + if(c->status.active) + send_add_subnet(c, subnet); } } } -connection_t *route_mac(vpn_packet_t *packet) +node_t *route_mac(vpn_packet_t *packet) { subnet_t *subnet; cp @@ -102,26 +103,10 @@ cp return NULL; } -connection_t *route_ipv4(vpn_packet_t *packet) -{ - ipv4_t dest; - subnet_t *subnet; -cp -#ifdef HAVE_SOLARIS - /* The other form gives bus errors on a SparcStation 20. */ - dest = ((packet->data[30] * 0x100 + packet->data[31]) * 0x100 + packet->data[32]) * 0x100 + packet->data[33]; -#else - dest = ntohl(*((unsigned long*)(&packet->data[30]))); -#endif -cp - subnet = lookup_subnet_ipv4(&dest); -cp if(!subnet) { 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]); } return NULL; @@ -130,15 +115,27 @@ cp return subnet->owner; } -connection_t *route_ipv6(vpn_packet_t *packet) +node_t *route_ip(vpn_packet_t *packet) { + struct addrinfo *dest; + subnet_t *subnet; +cp +#warning FIXME + memcpy(&dest, &packet->data[30], 0); + + subnet = lookup_subnet_ip(&dest); cp - if(debug_lvl > DEBUG_NOTHING) + if(!subnet) { - syslog(LOG_WARNING, _("Cannot route packet: IPv6 routing not yet implemented")); - } + if(debug_lvl >= DEBUG_TRAFFIC) + { + syslog(LOG_WARNING, _("Cannot route packet: unknown IP destination address")); + } + + return NULL; + } cp - return NULL; + return subnet->owner; } void route_arp(vpn_packet_t *packet) @@ -146,7 +143,7 @@ void route_arp(vpn_packet_t *packet) struct ether_arp *arp; subnet_t *subnet; unsigned char ipbuf[4]; - ipv4_t dest; + struct addrinfo *dest; cp /* First, snatch the source address from the ARP packet */ @@ -175,9 +172,9 @@ cp } /* Check if the IP address exists on the VPN */ - +#warning FIXME dest = ntohl(*((unsigned long*)(arp->arp_tpa))); - subnet = lookup_subnet_ipv4(&dest); + subnet = lookup_subnet_ip(&dest); if(!subnet) { @@ -206,14 +203,14 @@ cp memcpy(arp->arp_sha, packet->data + ETHER_ADDR_LEN, ETHER_ADDR_LEN); /* add fake source hard addr */ arp->arp_op = htons(ARPOP_REPLY); - accept_packet(packet); + write_packet(packet); cp } void route_outgoing(vpn_packet_t *packet) { unsigned short int type; - connection_t *cl; + node_t *n; cp /* FIXME: multicast? */ @@ -224,10 +221,10 @@ cp switch(type) { case 0x0800: - cl = route_ipv4(packet); + n = route_ipv4(packet); break; case 0x86DD: - cl = route_ipv6(packet); + n = route_ipv6(packet); break; case 0x0806: route_arp(packet); @@ -239,14 +236,14 @@ cp } return; } - if(cl) - send_packet(cl, packet); + if(n) + send_packet(n, packet); break; case RMODE_SWITCH: - cl = route_mac(packet); - if(cl) - send_packet(cl, packet); + n = route_mac(packet); + if(n) + send_packet(n, packet); else broadcast_packet(myself, packet); break; @@ -257,13 +254,13 @@ cp } } -void route_incoming(connection_t *source, vpn_packet_t *packet) +void route_incoming(node_t *source, vpn_packet_t *packet) { switch(routing_mode) { case RMODE_ROUTER: memcpy(packet->data, mymac.net.mac.address.x, 6); /* Override destination address to make the kernel accept it */ - accept_packet(packet); + write_packet(packet); break; case RMODE_SWITCH: { @@ -274,20 +271,20 @@ void route_incoming(connection_t *source, vpn_packet_t *packet) if(subnet) { if(subnet->owner == myself) - accept_packet(packet); + write_packet(packet); else send_packet(subnet->owner, packet); } else { broadcast_packet(source, packet); - accept_packet(packet); + write_packet(packet); } } break; case RMODE_HUB: - broadcast_packet(source,packet); /* Spread it on */ - accept_packet(packet); + broadcast_packet(source, packet); /* Spread it on */ + write_packet(packet); break; } }