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-rw-r--r--sbin/XNSrouted/tables.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/sbin/XNSrouted/tables.c b/sbin/XNSrouted/tables.c
deleted file mode 100644
index 38ce4386fe25..000000000000
--- a/sbin/XNSrouted/tables.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * Copyright (c) 1985 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)tables.c 5.9 (Berkeley) 6/1/90";
-#endif /* not lint */
-
-/*
- * Routing Table Management Daemon
- */
-#include "defs.h"
-#include <sys/ioctl.h>
-#include <errno.h>
-
-#ifndef DEBUG
-#define DEBUG 0
-#endif
-
-extern char *xns_ntoa();
-#define FIXLEN(s) { if ((s)->sa_len == 0) (s)->sa_len = sizeof (*(s));}
-
-int install = !DEBUG; /* if 1 call kernel */
-int delete = 1;
-/*
- * Lookup dst in the tables for an exact match.
- */
-struct rt_entry *
-rtlookup(dst)
- struct sockaddr *dst;
-{
- register struct rt_entry *rt;
- register struct rthash *rh;
- register u_int hash;
- struct afhash h;
- int doinghost = 1;
-
- if (dst->sa_family >= AF_MAX)
- return (0);
- (*afswitch[dst->sa_family].af_hash)(dst, &h);
- hash = h.afh_hosthash;
- rh = &hosthash[hash & ROUTEHASHMASK];
-again:
- for (rt = rh->rt_forw; rt != (struct rt_entry *)rh; rt = rt->rt_forw) {
- if (rt->rt_hash != hash)
- continue;
- if (equal(&rt->rt_dst, dst))
- return (rt);
- }
- if (doinghost) {
- doinghost = 0;
- hash = h.afh_nethash;
- rh = &nethash[hash & ROUTEHASHMASK];
- goto again;
- }
- return (0);
-}
-
-/*
- * Find a route to dst as the kernel would.
- */
-struct rt_entry *
-rtfind(dst)
- struct sockaddr *dst;
-{
- register struct rt_entry *rt;
- register struct rthash *rh;
- register u_int hash;
- struct afhash h;
- int af = dst->sa_family;
- int doinghost = 1, (*match)();
-
- if (af >= AF_MAX)
- return (0);
- (*afswitch[af].af_hash)(dst, &h);
- hash = h.afh_hosthash;
- rh = &hosthash[hash & ROUTEHASHMASK];
-
-again:
- for (rt = rh->rt_forw; rt != (struct rt_entry *)rh; rt = rt->rt_forw) {
- if (rt->rt_hash != hash)
- continue;
- if (doinghost) {
- if (equal(&rt->rt_dst, dst))
- return (rt);
- } else {
- if (rt->rt_dst.sa_family == af &&
- (*match)(&rt->rt_dst, dst))
- return (rt);
- }
- }
- if (doinghost) {
- doinghost = 0;
- hash = h.afh_nethash;
- rh = &nethash[hash & ROUTEHASHMASK];
- match = afswitch[af].af_netmatch;
- goto again;
- }
- return (0);
-}
-
-rtadd(dst, gate, metric, state)
- struct sockaddr *dst, *gate;
- int metric, state;
-{
- struct afhash h;
- register struct rt_entry *rt;
- struct rthash *rh;
- int af = dst->sa_family, flags;
- u_int hash;
-
- FIXLEN(dst);
- FIXLEN(gate);
- if (af >= AF_MAX)
- return;
- (*afswitch[af].af_hash)(dst, &h);
- flags = (*afswitch[af].af_ishost)(dst) ? RTF_HOST : 0;
- if (flags & RTF_HOST) {
- hash = h.afh_hosthash;
- rh = &hosthash[hash & ROUTEHASHMASK];
- } else {
- hash = h.afh_nethash;
- rh = &nethash[hash & ROUTEHASHMASK];
- }
- rt = (struct rt_entry *)malloc(sizeof (*rt));
- if (rt == 0)
- return;
- rt->rt_hash = hash;
- rt->rt_dst = *dst;
- rt->rt_router = *gate;
- rt->rt_metric = metric;
- rt->rt_timer = 0;
- rt->rt_flags = RTF_UP | flags;
- rt->rt_state = state | RTS_CHANGED;
- rt->rt_ifp = if_ifwithnet(&rt->rt_router);
- if (metric)
- rt->rt_flags |= RTF_GATEWAY;
- insque(rt, rh);
- TRACE_ACTION(ADD, rt);
- /*
- * If the ioctl fails because the gateway is unreachable
- * from this host, discard the entry. This should only
- * occur because of an incorrect entry in /etc/gateways.
- */
- if (install && ioctl(s, SIOCADDRT, (char *)&rt->rt_rt) < 0) {
- if (errno != EEXIST)
- perror("SIOCADDRT");
- if (errno == ENETUNREACH) {
- TRACE_ACTION(DELETE, rt);
- remque(rt);
- free((char *)rt);
- }
- }
-}
-
-rtchange(rt, gate, metric)
- struct rt_entry *rt;
- struct sockaddr *gate;
- short metric;
-{
- int doioctl = 0, metricchanged = 0;
- struct rtentry oldroute;
-
- FIXLEN(gate);
- if (!equal(&rt->rt_router, gate))
- doioctl++;
- if (metric != rt->rt_metric)
- metricchanged++;
- if (doioctl || metricchanged) {
- TRACE_ACTION(CHANGE FROM, rt);
- if (doioctl) {
- oldroute = rt->rt_rt;
- rt->rt_router = *gate;
- }
- rt->rt_metric = metric;
- if ((rt->rt_state & RTS_INTERFACE) && metric) {
- rt->rt_state &= ~RTS_INTERFACE;
- syslog(LOG_ERR,
- "changing route from interface %s (timed out)",
- rt->rt_ifp->int_name);
- }
- if (metric)
- rt->rt_flags |= RTF_GATEWAY;
- else
- rt->rt_flags &= ~RTF_GATEWAY;
- rt->rt_state |= RTS_CHANGED;
- TRACE_ACTION(CHANGE TO, rt);
- }
- if (doioctl && install) {
-#ifndef RTM_ADD
- if (ioctl(s, SIOCADDRT, (char *)&rt->rt_rt) < 0)
- syslog(LOG_ERR, "SIOCADDRT dst %s, gw %s: %m",
- xns_ntoa(&((struct sockaddr_ns *)&rt->rt_dst)->sns_addr),
- xns_ntoa(&((struct sockaddr_ns *)&rt->rt_router)->sns_addr));
- if (delete && ioctl(s, SIOCDELRT, (char *)&oldroute) < 0)
- perror("SIOCDELRT");
-#else
- if (delete && ioctl(s, SIOCDELRT, (char *)&oldroute) < 0)
- perror("SIOCDELRT");
- if (ioctl(s, SIOCADDRT, (char *)&rt->rt_rt) < 0)
- syslog(LOG_ERR, "SIOCADDRT dst %s, gw %s: %m",
- xns_ntoa(&((struct sockaddr_ns *)&rt->rt_dst)->sns_addr),
- xns_ntoa(&((struct sockaddr_ns *)&rt->rt_router)->sns_addr));
-#endif
- }
-}
-
-rtdelete(rt)
- struct rt_entry *rt;
-{
-
- struct sockaddr *sa = &(rt->rt_rt.rt_gateway);
- FIXLEN(sa);
-#undef rt_dst
- sa = &(rt->rt_rt.rt_dst);
- FIXLEN(sa);
- if (rt->rt_state & RTS_INTERFACE) {
- syslog(LOG_ERR, "deleting route to interface %s (timed out)",
- rt->rt_ifp->int_name);
- }
- TRACE_ACTION(DELETE, rt);
- if (install && ioctl(s, SIOCDELRT, (char *)&rt->rt_rt))
- perror("SIOCDELRT");
- remque(rt);
- free((char *)rt);
-}
-
-rtinit()
-{
- register struct rthash *rh;
-
- for (rh = nethash; rh < &nethash[ROUTEHASHSIZ]; rh++)
- rh->rt_forw = rh->rt_back = (struct rt_entry *)rh;
- for (rh = hosthash; rh < &hosthash[ROUTEHASHSIZ]; rh++)
- rh->rt_forw = rh->rt_back = (struct rt_entry *)rh;
-}
generated by cgit v1.3 (git 2.53.0) at 2026-04-19 05:06:10 +0000