X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Froute.c;h=a552eaf5e96212db649593540d0d309c2cd55234;hp=00b5298b3dacedd3c8a91d425318042418f1d7ff;hb=78e88521845ae3bdd963ae5a414cb9c251963fa2;hpb=e0dee537705cdbd005f6ab1fbef5ac71dc8411c0 diff --git a/src/route.c b/src/route.c index 00b5298b..a552eaf5 100644 --- a/src/route.c +++ b/src/route.c @@ -17,22 +17,25 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: route.c,v 1.1.2.35 2002/03/15 15:40:40 guus Exp $ + $Id: route.c,v 1.1.2.42 2002/06/08 14:08:57 guus Exp $ */ #include "config.h" -#if defined(HAVE_FREEBSD) || defined(HAVE_OPENBSD) +#ifdef HAVE_SYS_PARAM_H #include #endif #include #include -#if defined(HAVE_SOLARIS) || defined(HAVE_OPENBSD) +#ifdef HAVE_NET_IF_H #include - #define ETHER_ADDR_LEN 6 -#else +#endif +#ifdef HAVE_NET_ETHERNET_H #include #endif +#ifdef HAVE_NETINET_IN_SYSTM_H + #include +#endif #include #include #include @@ -40,6 +43,9 @@ #include #include #include +#ifdef HAVE_INTTYPES_H + #include +#endif #include @@ -52,8 +58,8 @@ #include "system.h" -#ifndef s6_addr16 -#define s6_addr16 __u6_addr.__u6_addr16 +#ifndef ETHER_ADDR_LEN + #define ETHER_ADDR_LEN 6 #endif int routing_mode = RMODE_ROUTER; @@ -174,14 +180,14 @@ cp if(debug_lvl >= DEBUG_TRAFFIC) { syslog(LOG_WARNING, _("Cannot route packet: unknown IPv6 destination address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"), - ntohs(*(short unsigned int *)&packet->data[38]), - ntohs(*(short unsigned int *)&packet->data[40]), - ntohs(*(short unsigned int *)&packet->data[42]), - ntohs(*(short unsigned int *)&packet->data[44]), - ntohs(*(short unsigned int *)&packet->data[46]), - ntohs(*(short unsigned int *)&packet->data[48]), - ntohs(*(short unsigned int *)&packet->data[50]), - ntohs(*(short unsigned int *)&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])); } return NULL; @@ -190,9 +196,9 @@ cp return subnet->owner; } -unsigned short int inet_checksum(unsigned short int *data, int len, unsigned short int prevsum) +uint16_t inet_checksum(uint16_t *data, int len, uint16_t prevsum) { - unsigned long int checksum = prevsum ^ 0xFFFF; + uint32_t checksum = prevsum ^ 0xFFFF; while(len--) checksum += ntohs(*data++); @@ -209,7 +215,7 @@ void route_neighborsol(vpn_packet_t *packet) struct nd_neighbor_solicit *ns; struct nd_opt_hdr *opt; subnet_t *subnet; - short unsigned int checksum; + uint16_t checksum; struct { struct in6_addr ip6_src; /* source address */ @@ -249,8 +255,8 @@ cp /* Generate checksum */ - checksum = inet_checksum((unsigned short int *)&pseudo, sizeof(pseudo)/2, ~0); - checksum = inet_checksum((unsigned short int *)ns, sizeof(*ns)/2 + 4, checksum); + checksum = inet_checksum((uint16_t *)&pseudo, sizeof(pseudo)/2, ~0); + checksum = inet_checksum((uint16_t *)ns, sizeof(*ns)/2 + 4, checksum); if(checksum) { @@ -268,8 +274,8 @@ cp if(debug_lvl >= DEBUG_TRAFFIC) { syslog(LOG_WARNING, _("Cannot route packet: neighbor solicitation request for unknown address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"), - ntohs(ns->nd_ns_target.s6_addr16[0]), ntohs(ns->nd_ns_target.s6_addr16[1]), ntohs(ns->nd_ns_target.s6_addr16[2]), ntohs(ns->nd_ns_target.s6_addr16[3]), - ntohs(ns->nd_ns_target.s6_addr16[4]), ntohs(ns->nd_ns_target.s6_addr16[5]), ntohs(ns->nd_ns_target.s6_addr16[6]), ntohs(ns->nd_ns_target.s6_addr16[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; @@ -306,8 +312,8 @@ cp /* Generate checksum */ - checksum = inet_checksum((unsigned short int *)&pseudo, sizeof(pseudo)/2, ~0); - checksum = inet_checksum((unsigned short int *)ns, sizeof(*ns)/2 + 4, checksum); + checksum = inet_checksum((uint16_t *)&pseudo, sizeof(pseudo)/2, ~0); + checksum = inet_checksum((uint16_t *)ns, sizeof(*ns)/2 + 4, checksum); ns->nd_ns_hdr.icmp6_cksum = htons(checksum); @@ -319,7 +325,7 @@ void route_arp(vpn_packet_t *packet) { struct ether_arp *arp; subnet_t *subnet; - unsigned char ipbuf[4]; + uint8_t ipbuf[4]; cp /* First, snatch the source address from the ARP packet */ @@ -336,8 +342,8 @@ cp if(ntohs(arp->arp_hrd) != ARPHRD_ETHER || ntohs(arp->arp_pro) != ETHERTYPE_IP || - (int) (arp->arp_hln) != ETHER_ADDR_LEN || - (int) (arp->arp_pln) != 4 || + arp->arp_hln != ETHER_ADDR_LEN || + arp->arp_pln != 4 || ntohs(arp->arp_op) != ARPOP_REQUEST ) { if(debug_lvl > DEBUG_TRAFFIC) @@ -384,7 +390,7 @@ cp void route_outgoing(vpn_packet_t *packet) { - unsigned short int type; + uint16_t type; node_t *n = NULL; cp /* FIXME: multicast? */ @@ -392,14 +398,14 @@ cp switch(routing_mode) { case RMODE_ROUTER: - type = ntohs(*((unsigned short*)(&packet->data[12]))); + type = ntohs(*((uint16_t *)(&packet->data[12]))); switch(type) { case 0x0800: n = route_ipv4(packet); break; case 0x86DD: - if(packet->data[20] == IPPROTO_ICMPV6 && packet->data[54] = ND_NEIGHBOR_SOLICIT) + if(packet->data[20] == IPPROTO_ICMPV6 && packet->data[54] == ND_NEIGHBOR_SOLICIT) { route_neighborsol(packet); return; @@ -441,9 +447,9 @@ void route_incoming(node_t *source, vpn_packet_t *packet) case RMODE_ROUTER: { node_t *n = NULL; - unsigned short int type; + uint16_t type; - type = ntohs(*((unsigned short*)(&packet->data[12]))); + type = ntohs(*((uint16_t *)(&packet->data[12]))); switch(type) { case 0x0800: