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-rw-r--r--sbin/routed/inet.c260
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diff --git a/sbin/routed/inet.c b/sbin/routed/inet.c
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index bbb5d1a7b62..00000000000
--- a/sbin/routed/inet.c
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@@ -1,260 +0,0 @@
-/* $OpenBSD: inet.c,v 1.2 1996/06/23 14:32:27 deraadt Exp $ */
-/* $NetBSD: inet.c,v 1.9 1995/06/20 22:27:40 christos Exp $ */
-
-/*
- * Copyright (c) 1983, 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
-#if 0
-static char sccsid[] = "@(#)inet.c 8.2 (Berkeley) 8/14/93";
-#else
-static char rcsid[] = "$OpenBSD: inet.c,v 1.2 1996/06/23 14:32:27 deraadt Exp $";
-#endif
-#endif /* not lint */
-
-/*
- * Temporarily, copy these routines from the kernel,
- * as we need to know about subnets.
- */
-#include "defs.h"
-
-extern struct interface *ifnet;
-
-/*
- * Formulate an Internet address from network + host.
- */
-struct in_addr
-inet_makeaddr(net, host)
- u_long net, host;
-{
- register struct interface *ifp;
- register u_long mask;
- u_long addr;
-
- if (IN_CLASSA(net))
- mask = IN_CLASSA_HOST;
- else if (IN_CLASSB(net))
- mask = IN_CLASSB_HOST;
- else
- mask = IN_CLASSC_HOST;
- for (ifp = ifnet; ifp; ifp = ifp->int_next)
- if ((ifp->int_netmask & net) == ifp->int_net) {
- mask = ~ifp->int_subnetmask;
- break;
- }
- addr = net | (host & mask);
- addr = htonl(addr);
- return (*(struct in_addr *)&addr);
-}
-
-/*
- * Return the network number from an internet address.
- */
-u_long
-inet_netof_subnet(in)
- struct in_addr in;
-{
- register u_long i = ntohl(in.s_addr);
- register u_long net;
- register struct interface *ifp;
-
- if (IN_CLASSA(i))
- net = i & IN_CLASSA_NET;
- else if (IN_CLASSB(i))
- net = i & IN_CLASSB_NET;
- else
- net = i & IN_CLASSC_NET;
-
- /*
- * Check whether network is a subnet;
- * if so, return subnet number.
- */
- for (ifp = ifnet; ifp; ifp = ifp->int_next)
- if ((ifp->int_netmask & net) == ifp->int_net)
- return (i & ifp->int_subnetmask);
- return (net);
-}
-
-#ifdef notdef
-/*
- * Return the host portion of an internet address.
- * XXX THIS FUNCTION UNUSED.
- */
-u_long
-inet_lnaof_subnet(in)
- struct in_addr in;
-{
- register u_long i = ntohl(in.s_addr);
- register u_long net, host;
- register struct interface *ifp;
-
- if (IN_CLASSA(i)) {
- net = i & IN_CLASSA_NET;
- host = i & IN_CLASSA_HOST;
- } else if (IN_CLASSB(i)) {
- net = i & IN_CLASSB_NET;
- host = i & IN_CLASSB_HOST;
- } else {
- net = i & IN_CLASSC_NET;
- host = i & IN_CLASSC_HOST;
- }
-
- /*
- * Check whether network is a subnet;
- * if so, use the modified interpretation of `host'.
- */
- for (ifp = ifnet; ifp; ifp = ifp->int_next)
- if ((ifp->int_netmask & net) == ifp->int_net)
- return (host &~ ifp->int_subnetmask);
- return (host);
-}
-#endif
-
-/*
- * Return the netmask pertaining to an internet address.
- */
-int
-inet_maskof(inaddr)
- u_long inaddr;
-{
- register u_long i = ntohl(inaddr);
- register u_long mask;
- register struct interface *ifp;
-
- if (i == 0) {
- mask = 0;
- } else if (IN_CLASSA(i)) {
- mask = IN_CLASSA_NET;
- } else if (IN_CLASSB(i)) {
- mask = IN_CLASSB_NET;
- } else
- mask = IN_CLASSC_NET;
-
- /*
- * Check whether network is a subnet;
- * if so, use the modified interpretation of `host'.
- */
- for (ifp = ifnet; ifp; ifp = ifp->int_next)
- if ((ifp->int_netmask & i) == ifp->int_net)
- mask = ifp->int_subnetmask;
- return (htonl(mask));
-}
-
-/*
- * Return RTF_HOST if the address is
- * for an Internet host, RTF_SUBNET for a subnet,
- * 0 for a network.
- */
-int
-inet_rtflags(sa)
- struct sockaddr *sa;
-{
- struct sockaddr_in *sin = (struct sockaddr_in *) sa;
- register u_long i = ntohl(sin->sin_addr.s_addr);
- register u_long net, host;
- register struct interface *ifp;
-
- if (IN_CLASSA(i)) {
- net = i & IN_CLASSA_NET;
- host = i & IN_CLASSA_HOST;
- } else if (IN_CLASSB(i)) {
- net = i & IN_CLASSB_NET;
- host = i & IN_CLASSB_HOST;
- } else {
- net = i & IN_CLASSC_NET;
- host = i & IN_CLASSC_HOST;
- }
-
- /*
- * Check whether this network is subnetted;
- * if so, check whether this is a subnet or a host.
- */
- for (ifp = ifnet; ifp; ifp = ifp->int_next)
- if (net == ifp->int_net) {
- if (host &~ ifp->int_subnetmask)
- return (RTF_HOST);
- else if (ifp->int_subnetmask != ifp->int_netmask)
- return (RTF_SUBNET);
- else
- return (0); /* network */
- }
- if (host == 0)
- return (0); /* network */
- else
- return (RTF_HOST);
-}
-
-/*
- * Return true if a route to subnet/host of route rt should be sent to dst.
- * Send it only if dst is on the same logical network if not "internal",
- * otherwise only if the route is the "internal" route for the logical net.
- */
-int
-inet_sendroute(rt, sa)
- struct rt_entry *rt;
- struct sockaddr *sa;
-{
- struct sockaddr_in *dst = (struct sockaddr_in *) sa;
- register u_long r =
- ntohl(((struct sockaddr_in *)&rt->rt_dst)->sin_addr.s_addr);
- register u_long d = ntohl(dst->sin_addr.s_addr);
-
- if (IN_CLASSA(r)) {
- if ((r & IN_CLASSA_NET) == (d & IN_CLASSA_NET)) {
- if ((r & IN_CLASSA_HOST) == 0)
- return ((rt->rt_state & RTS_INTERNAL) == 0);
- return (1);
- }
- if (r & IN_CLASSA_HOST)
- return (0);
- return ((rt->rt_state & RTS_INTERNAL) != 0);
- } else if (IN_CLASSB(r)) {
- if ((r & IN_CLASSB_NET) == (d & IN_CLASSB_NET)) {
- if ((r & IN_CLASSB_HOST) == 0)
- return ((rt->rt_state & RTS_INTERNAL) == 0);
- return (1);
- }
- if (r & IN_CLASSB_HOST)
- return (0);
- return ((rt->rt_state & RTS_INTERNAL) != 0);
- } else {
- if ((r & IN_CLASSC_NET) == (d & IN_CLASSC_NET)) {
- if ((r & IN_CLASSC_HOST) == 0)
- return ((rt->rt_state & RTS_INTERNAL) == 0);
- return (1);
- }
- if (r & IN_CLASSC_HOST)
- return (0);
- return ((rt->rt_state & RTS_INTERNAL) != 0);
- }
-}