sync with recent KAME.
- fix 64bit alignment issue in routing socket. - avoid s6_addr8 (nonstandard), use s6_addr instead.
This commit is contained in:
itojun
parent
6827022dc7
commit
672bcec232
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@ -1,7 +1,7 @@
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/* $NetBSD: route6d.c,v 1.7 1999/07/26 01:31:47 itohy Exp $ */
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/* $NetBSD: route6d.c,v 1.8 1999/09/03 04:04:22 itojun Exp $ */
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/*
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* KAME Header: /cvsroot/hydrangea-freebsd/kit/src/route6d/Attic/route6d.c,v 1.1.2.12.2.5.2.8.2.10.2.32 1999/07/06 09:23:36 itojun Exp
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* KAME Header: /cvsroot/kame/kame/kame/kame/route6d/route6d.c,v 1.4 1999/09/02 12:18:10 itojun Exp
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*/
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/*
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@ -35,7 +35,7 @@
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: route6d.c,v 1.7 1999/07/26 01:31:47 itohy Exp $");
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__RCSID("$NetBSD: route6d.c,v 1.8 1999/09/03 04:04:22 itojun Exp $");
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#endif
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#include <stdio.h>
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@ -88,17 +88,22 @@ __RCSID("$NetBSD: route6d.c,v 1.7 1999/07/26 01:31:47 itohy Exp $");
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#define INIT_INTERVAL6 10 /* Wait to submit a initial riprequest */
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#endif
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/* alignment constraint for routing socket */
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#define ROUNDUP(a) \
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((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
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#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
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/*
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* Following two macros are highly depending on KAME Release
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*/
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#define IN6_LINKLOCAL_IFINDEX(addr) \
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((addr).s6_addr8[2] << 8 | (addr).s6_addr8[3])
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((addr).s6_addr[2] << 8 | (addr).s6_addr[3])
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#define SET_IN6_LINKLOCAL_IFINDEX(addr, index) \
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{ \
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(addr).s6_addr8[2] = ((index) >> 8) & 0xff; \
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(addr).s6_addr8[3] = (index) & 0xff; \
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}
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do { \
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(addr).s6_addr[2] = ((index) >> 8) & 0xff; \
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(addr).s6_addr[3] = (index) & 0xff; \
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} while (0)
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struct ifc { /* Configuration of an interface */
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char *ifc_name; /* if name */
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@ -589,7 +594,7 @@ ripflush(ifcp, sin)
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np = ripbuf->rip6_nets;
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for (i = 0; i < nrt; i++, np++) {
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if (np->rip6_metric == NEXTHOP_METRIC) {
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if (IN6_IS_ADDR_ANY(&np->rip6_dest))
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if (IN6_IS_ADDR_UNSPECIFIED(&np->rip6_dest))
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trace(2, " NextHop reset");
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else {
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trace(2, " NextHop %s",
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@ -724,7 +729,7 @@ ripsend(ifcp, sin, flag)
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continue;
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/* Check nexthop */
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if (rrt->rrt_index == ifcp->ifc_index &&
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!IN6_IS_ADDR_ANY(&rrt->rrt_gw) &&
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!IN6_IS_ADDR_UNSPECIFIED(&rrt->rrt_gw) &&
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(rrt->rrt_flags & RTF_NH_NOT_LLADDR) == 0) {
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if (nh == NULL || !IN6_ARE_ADDR_EQUAL(nh, &rrt->rrt_gw)) {
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if (nrt == maxrte - 2)
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@ -972,7 +977,7 @@ riprecv()
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nh = np->rip6_dest;
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SET_IN6_LINKLOCAL_IFINDEX(nh, index);
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trace(1, "\tNexthop: %s\n", inet6_n2p(&nh));
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} else if (IN6_IS_ADDR_ANY(&np->rip6_dest)) {
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} else if (IN6_IS_ADDR_UNSPECIFIED(&np->rip6_dest)) {
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nh = fsock.sin6_addr;
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trace(1, "\tNexthop: %s\n", inet6_n2p(&nh));
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} else {
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@ -1167,7 +1172,7 @@ riprequest(ifcp, np, nn, sin)
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int i;
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struct riprt *rrt;
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if (!(nn == 1 && IN6_IS_ADDR_ANY(&np->rip6_dest) &&
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if (!(nn == 1 && IN6_IS_ADDR_UNSPECIFIED(&np->rip6_dest) &&
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np->rip6_plen == 0 && np->rip6_metric == HOPCNT_INFINITY6)) {
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/* Specific response, don't split-horizon */
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trace(1, "\tRIP Request\n");
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@ -1424,7 +1429,7 @@ rtrecv()
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for (i = 0; i < RTAX_MAX; i++) {
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if (addrs & (1 << i)) {
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rta[i] = (struct sockaddr_in6 *)q;
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q += rta[i]->sin6_len;
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q += ROUNDUP(rta[i]->sin6_len);
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}
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}
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@ -2024,19 +2029,19 @@ rt_entry(rtm, again)
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rtmp += sin6_dst->sin6_len;
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if (rtm->rtm_addrs & RTA_GATEWAY) {
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sin6_gw = (struct sockaddr_in6 *)rtmp;
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rtmp += sin6_gw->sin6_len;
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rtmp += ROUNDUP(sin6_gw->sin6_len);
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}
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if (rtm->rtm_addrs & RTA_NETMASK) {
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sin6_mask = (struct sockaddr_in6 *)rtmp;
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rtmp += sin6_mask->sin6_len;
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rtmp += ROUNDUP(sin6_mask->sin6_len);
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}
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if (rtm->rtm_addrs & RTA_GENMASK) {
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sin6_genmask = (struct sockaddr_in6 *)rtmp;
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rtmp += sin6_genmask->sin6_len;
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rtmp += ROUNDUP(sin6_genmask->sin6_len);
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}
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if (rtm->rtm_addrs & RTA_IFP) {
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sin6_ifp = (struct sockaddr_in6 *)rtmp;
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rtmp += sin6_ifp->sin6_len;
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rtmp += ROUNDUP(sin6_ifp->sin6_len);
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}
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/* Destination */
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@ -2157,16 +2162,14 @@ addroute(rrt, gw, ifcp)
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if (nflag)
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return 0;
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memset(buf, 0, sizeof(buf));
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rtm = (struct rt_msghdr *)buf;
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len = sizeof(struct rt_msghdr) + 3 * sizeof(struct sockaddr_in6);
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memset(rtm, 0, len);
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rtm->rtm_type = RTM_ADD;
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rtm->rtm_version = RTM_VERSION;
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rtm->rtm_seq = ++seq;
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rtm->rtm_pid = pid;
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rtm->rtm_flags = rrt->rrt_flags & RTF_ROUTE_H;
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rtm->rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
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rtm->rtm_msglen = len;
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rtm->rtm_rmx.rmx_hopcount = np->rip6_metric - 1;
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rtm->rtm_inits = RTV_HOPCOUNT;
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sin = (struct sockaddr_in6 *)&buf[sizeof(struct rt_msghdr)];
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@ -2174,21 +2177,23 @@ addroute(rrt, gw, ifcp)
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = np->rip6_dest;
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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/* Gateway */
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = *gw;
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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/* Netmask */
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = *(plen2mask(np->rip6_plen));
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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len = (char *)sin - (char *)buf;
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rtm->rtm_msglen = len;
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if (write(rtsock, buf, len) > 0)
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return 0;
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if (errno == EEXIST) {
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trace(0, "ADD: Route already exists %s/%d gw %s\n",
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inet6_n2p(&np->rip6_dest), np->rip6_plen, buf1);
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@ -2224,32 +2229,33 @@ delroute(np, gw)
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if (nflag)
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return 0;
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memset(buf, 0, sizeof(buf));
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rtm = (struct rt_msghdr *)buf;
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len = sizeof(struct rt_msghdr) + 3 * sizeof(struct sockaddr_in6);
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memset(rtm, 0, len);
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rtm->rtm_type = RTM_DELETE;
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rtm->rtm_version = RTM_VERSION;
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rtm->rtm_seq = ++seq;
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rtm->rtm_pid = pid;
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rtm->rtm_flags = RTF_UP | RTF_GATEWAY;
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rtm->rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
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rtm->rtm_msglen = len;
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sin = (struct sockaddr_in6 *)&buf[sizeof(struct rt_msghdr)];
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/* Destination */
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = np->rip6_dest;
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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/* Gateway */
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = *gw;
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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/* Netmask */
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sin->sin6_len = sizeof(struct sockaddr_in6);
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sin->sin6_family = AF_INET6;
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sin->sin6_addr = *(plen2mask(np->rip6_plen));
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sin++;
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sin = (struct sockaddr_in6 *)((char *)sin + ROUNDUP(sin->sin6_len));
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len = (char *)sin - (char *)buf;
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rtm->rtm_msglen = len;
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if (write(rtsock, buf, len) >= 0)
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return 0;
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@ -2307,8 +2313,10 @@ getroute(np, gw)
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rtm = (struct rt_msghdr *)buf;
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} while (rtm->rtm_seq != myseq || rtm->rtm_pid != pid);
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sin = (struct sockaddr_in6 *)&buf[sizeof(struct rt_msghdr)];
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if (rtm->rtm_addrs & RTA_DST)
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sin++;
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if (rtm->rtm_addrs & RTA_DST) {
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sin = (struct sockaddr_in6 *)
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((char *)sin + ROUNDUP(sin->sin6_len));
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}
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if (rtm->rtm_addrs & RTA_GATEWAY) {
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*gw = sin->sin6_addr;
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return gw;
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@ -2661,7 +2669,7 @@ applyplen(ia, plen)
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u_char *p;
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int i;
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p = ia->s6_addr8;
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p = ia->s6_addr;
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for (i = 0; i < 16; i++) {
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if (plen <= 0)
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*p = 0;
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@ -1,7 +1,7 @@
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/* $NetBSD: route6d.h,v 1.2 1999/07/04 14:45:54 itojun Exp $ */
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/* $NetBSD: route6d.h,v 1.3 1999/09/03 04:04:22 itojun Exp $ */
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/*
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* KAME Header: /cvsroot/hydrangea-freebsd/kit/src/route6d/Attic/route6d.h,v 1.1.2.4.4.1.4.1.4.2 1999/06/17 13:00:41 itojun Exp
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* KAME Header: /cvsroot/kame/kame/kame/kame/route6d/route6d.h,v 1.1.1.1 1999/08/08 23:31:35 itojun Exp
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*/
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/*
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