diff options
Diffstat (limited to 'sbin/routed/output.c')
| -rw-r--r-- | sbin/routed/output.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/sbin/routed/output.c b/sbin/routed/output.c deleted file mode 100644 index 10c81b1a0ca0..000000000000 --- a/sbin/routed/output.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 1983, 1988 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[] = "@(#)output.c 5.15 (Berkeley) 2/28/91"; -#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, rtstate, skipif) - int (*f)(); - int rtstate; - struct interface *skipif; -{ - 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 || ifp == skipif) - 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, rtstate); - } -} - -/* - * Output a preformed packet. - */ -/*ARGSUSED*/ -sndmsg(dst, flags, ifp, rtstate) - struct sockaddr *dst; - int flags; - struct interface *ifp; - int rtstate; -{ - - (*afswitch[dst->sa_family].af_output)(s, 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, rtstate) - struct sockaddr *dst; - int flags; - register struct interface *ifp; - int rtstate; -{ - register struct rt_entry *rt; - register struct netinfo *n = msg->rip_nets; - register struct rthash *rh; - struct rthash *base = hosthash; - int doinghost = 1, size; - int (*output)() = afswitch[dst->sa_family].af_output; - int (*sendroute)() = afswitch[dst->sa_family].af_sendroute; - int npackets = 0; - - msg->rip_cmd = RIPCMD_RESPONSE; - msg->rip_vers = RIPVERSION; - bzero(msg->rip_res1, sizeof(msg->rip_res1)); -again: - for (rh = base; rh < &base[ROUTEHASHSIZ]; rh++) - for (rt = rh->rt_forw; rt != (struct rt_entry *)rh; rt = rt->rt_forw) { - /* - * Don't resend the information on the network - * from which it was received (unless sending - * in response to a query). - */ - if (ifp && rt->rt_ifp == ifp && - (rt->rt_state & RTS_INTERFACE) == 0) - continue; - if (rt->rt_state & RTS_EXTERNAL) - continue; - /* - * For dynamic updates, limit update to routes - * with the specified state. - */ - if (rtstate && (rt->rt_state & rtstate) == 0) - continue; - /* - * Limit the spread of subnet information - * to those who are interested. - */ - if (doinghost == 0 && rt->rt_state & RTS_SUBNET) { - if (rt->rt_dst.sa_family != dst->sa_family) - continue; - if ((*sendroute)(rt, dst) == 0) - continue; - } - size = (char *)n - packet; - if (size > MAXPACKETSIZE - sizeof (struct netinfo)) { - TRACE_OUTPUT(ifp, dst, size); - (*output)(s, flags, dst, size); - /* - * If only sending to ourselves, - * one packet is enough to monitor interface. - */ - if (ifp && (ifp->int_flags & - (IFF_BROADCAST | IFF_POINTOPOINT | IFF_REMOTE)) == 0) - return; - n = msg->rip_nets; - npackets++; - } - n->rip_dst = rt->rt_dst; -#if BSD < 198810 - if (sizeof(n->rip_dst.sa_family) > 1) /* XXX */ - n->rip_dst.sa_family = htons(n->rip_dst.sa_family); -#else -#define osa(x) ((struct osockaddr *)(&(x))) - osa(n->rip_dst)->sa_family = htons(n->rip_dst.sa_family); -#endif - n->rip_metric = htonl(rt->rt_metric); - n++; - } - if (doinghost) { - doinghost = 0; - base = nethash; - goto again; - } - if (n != msg->rip_nets || (npackets == 0 && rtstate == 0)) { - size = (char *)n - packet; - TRACE_OUTPUT(ifp, dst, size); - (*output)(s, flags, dst, size); - } -} |