diff options
author | wollman <wollman@FreeBSD.org> | 1996-02-13 17:30:37 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 1996-02-13 17:30:37 +0000 |
commit | 379b9b388fc8788659993af038bb322bfbcea8b2 (patch) | |
tree | 0853393f80e81ab72567bd7838b4c2b218a67558 /usr.sbin/XNSrouted/tables.c | |
parent | 45f8e7f5c1b5de36c0bce4e71f98e7bb5fa9236f (diff) | |
download | FreeBSD-src-379b9b388fc8788659993af038bb322bfbcea8b2.zip FreeBSD-src-379b9b388fc8788659993af038bb322bfbcea8b2.tar.gz |
XNS sort-of-support is no more.
Diffstat (limited to 'usr.sbin/XNSrouted/tables.c')
-rw-r--r-- | usr.sbin/XNSrouted/tables.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/usr.sbin/XNSrouted/tables.c b/usr.sbin/XNSrouted/tables.c deleted file mode 100644 index 4b00dc5..0000000 --- a/usr.sbin/XNSrouted/tables.c +++ /dev/null @@ -1,319 +0,0 @@ -/* - * Copyright (c) 1985, 1993 - * 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 8.1 (Berkeley) 6/5/93"; -#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 && rtioctl(ADD, &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 (rtioctl(ADD, &rt->rt_rt) < 0) - syslog(LOG_ERR, "rtioctl ADD 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 && rtioctl(DELETE, &oldroute) < 0) - perror("rtioctl DELETE"); -#else - if (delete == 0) { - if (rtioctl(ADD, &rt->rt_rt) >= 0) - return; - } else { - if (rtioctl(CHANGE, &rt->rt_rt) >= 0) - return; - } - syslog(LOG_ERR, "rtioctl ADD 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 && rtioctl(DELETE, &rt->rt_rt) < 0) - perror("rtioctl DELETE"); - 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; -} -int seqno; - -rtioctl(action, ort) - int action; - struct ortentry *ort; -{ -#ifndef RTM_ADD - switch (action) { - - case ADD: - return (ioctl(s, SIOCADDRT, (char *)ort)); - - case DELETE: - return (ioctl(s, SIOCDELRT, (char *)ort)); - - default: - return (-1); - } -#else /* RTM_ADD */ - struct { - struct rt_msghdr w_rtm; - struct sockaddr w_dst; - struct sockaddr w_gate; - struct sockaddr_ns w_netmask; - } w; -#define rtm w.w_rtm - - bzero((char *)&w, sizeof(w)); - rtm.rtm_msglen = sizeof(w); - rtm.rtm_version = RTM_VERSION; - rtm.rtm_type = (action == ADD ? RTM_ADD : - (action == DELETE ? RTM_DELETE : RTM_CHANGE)); -#undef rt_flags - rtm.rtm_flags = ort->rt_flags; - rtm.rtm_seq = ++seqno; - rtm.rtm_addrs = RTA_DST|RTA_GATEWAY; - bcopy((char *)&ort->rt_dst, (char *)&w.w_dst, sizeof(w.w_dst)); - bcopy((char *)&ort->rt_gateway, (char *)&w.w_gate, sizeof(w.w_gate)); - w.w_gate.sa_family = w.w_dst.sa_family = AF_NS; - w.w_gate.sa_len = w.w_dst.sa_len = sizeof(w.w_dst); - if (rtm.rtm_flags & RTF_HOST) { - rtm.rtm_msglen -= sizeof(w.w_netmask); - } else { - w.w_netmask = ns_netmask; - rtm.rtm_msglen -= 8; - } - errno = 0; - return write(r, (char *)&w, rtm.rtm_msglen); -#endif /* RTM_ADD */ -} |