diff options
Diffstat (limited to 'usr.sbin/XNSrouted/output.c')
| -rw-r--r-- | usr.sbin/XNSrouted/output.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/usr.sbin/XNSrouted/output.c b/usr.sbin/XNSrouted/output.c deleted file mode 100644 index fae1c39..0000000 --- a/usr.sbin/XNSrouted/output.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright (c) 1985, 1993 - * The Regents of the University of California. All rights reserved. - * - * This file includes significant work done at Cornell University by - * Bill Nesheim. That work included by permission. - * - * 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[] = "@(#)output.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ - -/* - * Routing Table Management Daemon - */ -#include "defs.h" - -/* - * Apply the function "f" to all non-passive - * interfaces. If the interface supports the - * use of broadcasting use it, otherwise address - * the output to the known router. - */ -toall(f) - int (*f)(); -{ - register struct interface *ifp; - register struct sockaddr *dst; - register int flags; - extern struct interface *ifnet; - - for (ifp = ifnet; ifp; ifp = ifp->int_next) { - if (ifp->int_flags & IFF_PASSIVE) - continue; - dst = ifp->int_flags & IFF_BROADCAST ? &ifp->int_broadaddr : - ifp->int_flags & IFF_POINTOPOINT ? &ifp->int_dstaddr : - &ifp->int_addr; - flags = ifp->int_flags & IFF_INTERFACE ? MSG_DONTROUTE : 0; - (*f)(dst, flags, ifp); - } -} - -/* - * Output a preformed packet. - */ -/*ARGSUSED*/ -sndmsg(dst, flags, ifp) - struct sockaddr *dst; - int flags; - struct interface *ifp; -{ - - (*afswitch[dst->sa_family].af_output) - (flags, dst, sizeof (struct rip)); - TRACE_OUTPUT(ifp, dst, sizeof (struct rip)); -} - -/* - * Supply dst with the contents of the routing tables. - * If this won't fit in one packet, chop it up into several. - */ -supply(dst, flags, ifp) - struct sockaddr *dst; - int flags; - struct interface *ifp; -{ - register struct rt_entry *rt; - register struct rthash *rh; - register struct netinfo *nn; - register struct netinfo *n = msg->rip_nets; - struct rthash *base = hosthash; - struct sockaddr_ns *sns = (struct sockaddr_ns *) dst; - int (*output)() = afswitch[dst->sa_family].af_output; - int doinghost = 1, size, metric; - union ns_net net; - - msg->rip_cmd = ntohs(RIPCMD_RESPONSE); -again: - for (rh = base; rh < &base[ROUTEHASHSIZ]; rh++) - for (rt = rh->rt_forw; rt != (struct rt_entry *)rh; rt = rt->rt_forw) { - size = (char *)n - (char *)msg; - if (size > MAXPACKETSIZE - sizeof (struct netinfo)) { - (*output)(flags, dst, size); - TRACE_OUTPUT(ifp, dst, size); - n = msg->rip_nets; - } - sns = (struct sockaddr_ns *)&rt->rt_dst; - if ((rt->rt_flags & (RTF_HOST|RTF_GATEWAY)) == RTF_HOST) - sns = (struct sockaddr_ns *)&rt->rt_router; - metric = min(rt->rt_metric + 1, HOPCNT_INFINITY); - net = sns->sns_addr.x_net; - /* - * Make sure that we don't put out a two net entries - * for a pt to pt link (one for the G route, one for the if) - * This is a kludge, and won't work if there are lots of nets. - */ - for (nn = msg->rip_nets; nn < n; nn++) { - if (ns_neteqnn(net, nn->rip_dst)) { - if (metric < ntohs(nn->rip_metric)) - nn->rip_metric = htons(metric); - goto next; - } - } - n->rip_dst = net; - n->rip_metric = htons(metric); - n++; - next:; - } - if (doinghost) { - doinghost = 0; - base = nethash; - goto again; - } - if (n != msg->rip_nets) { - size = (char *)n - (char *)msg; - (*output)(flags, dst, size); - TRACE_OUTPUT(ifp, dst, size); - } -} |
