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Diffstat (limited to 'usr.sbin/IPXrouted/af.c')
| -rw-r--r-- | usr.sbin/IPXrouted/af.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/usr.sbin/IPXrouted/af.c b/usr.sbin/IPXrouted/af.c deleted file mode 100644 index ea61762..0000000 --- a/usr.sbin/IPXrouted/af.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Copyright (c) 1985, 1993 - * The Regents of the University of California. All rights reserved. - * - * Copyright (c) 1995 John Hay. 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. - * 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. - * - * $FreeBSD$ - */ - -#ifndef lint -static const char sccsid[] = "@(#)af.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ - -#include "defs.h" - -/* - * Address family support routines - */ -af_hash_t null_hash; -af_netmatch_t null_netmatch; -af_output_t null_output; -af_portmatch_t null_portmatch; -af_portcheck_t null_portcheck; -af_checkhost_t null_checkhost; -af_ishost_t null_ishost; -af_canon_t null_canon; - -void ipxnet_hash(struct sockaddr_ipx *, struct afhash *); -int ipxnet_netmatch(struct sockaddr_ipx *, struct sockaddr_ipx *); -void ipxnet_output(int, int, struct sockaddr_ipx *, int); -int ipxnet_portmatch(struct sockaddr_ipx *); -int ipxnet_checkhost(struct sockaddr_ipx *); -int ipxnet_ishost(struct sockaddr_ipx *); -void ipxnet_canon(struct sockaddr_ipx *); - -#define NIL \ - { null_hash, null_netmatch, null_output, \ - null_portmatch, null_portcheck, null_checkhost, \ - null_ishost, null_canon } -#define IPXNET \ - { (af_hash_t *)ipxnet_hash, \ - (af_netmatch_t *)ipxnet_netmatch, \ - (af_output_t *)ipxnet_output, \ - (af_portmatch_t *)ipxnet_portmatch, \ - (af_portcheck_t *)ipxnet_portmatch, \ - (af_checkhost_t *)ipxnet_checkhost, \ - (af_ishost_t *)ipxnet_ishost, \ - (af_canon_t *)ipxnet_canon } - -struct afswitch afswitch[AF_MAX] = - { NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, - NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, NIL, - NIL, NIL, NIL, IPXNET, NIL, NIL }; - -struct sockaddr_ipx ipxnet_default = { sizeof(struct sockaddr_ipx), AF_IPX }; - -union ipx_net ipx_anynet; -union ipx_net ipx_zeronet; - -void -ipxnet_hash(sipx, hp) - register struct sockaddr_ipx *sipx; - struct afhash *hp; -{ - long hash; -#if 0 - u_short *s = sipx->sipx_addr.x_host.s_host; -#endif - u_char *c; - - c = sipx->sipx_addr.x_net.c_net; - -#define IMVAL 33 - hash = 0; - hash = hash * IMVAL + *c++; - hash = hash * IMVAL + *c++; - hash = hash * IMVAL + *c++; - hash = hash * IMVAL + *c++; -#undef IMVAL - - hp->afh_nethash = hash; - hp->afh_nethash ^= (hash >> 8); - hp->afh_nethash ^= (hash >> 16); - hp->afh_nethash ^= (hash >> 24); - -#if 0 - hash = 0; - hash = *s++; hash <<= 8; hash += *s++; hash <<= 8; hash += *s; - hp->afh_hosthash = hash; -#endif -} - -int -ipxnet_netmatch(sxn1, sxn2) - struct sockaddr_ipx *sxn1, *sxn2; -{ - return (ipx_neteq(sxn1->sipx_addr, sxn2->sipx_addr)); -} - -/* - * Verify the message is from the right port. - */ -int -ipxnet_portmatch(sipx) - register struct sockaddr_ipx *sipx; -{ - - return (ntohs(sipx->sipx_addr.x_port) == IPXPORT_RIP ); -} - - -/* - * ipx output routine. - */ -#ifdef DEBUG -int do_output = 0; -#endif -void -ipxnet_output(s, flags, sipx, size) - int s; - int flags; - struct sockaddr_ipx *sipx; - int size; -{ - struct sockaddr_ipx dst; - - dst = *sipx; - sipx = &dst; - if (sipx->sipx_addr.x_port == 0) - sipx->sipx_addr.x_port = htons(IPXPORT_RIP); -#ifdef DEBUG - if(do_output || ntohs(msg->rip_cmd) == RIPCMD_REQUEST) -#endif - /* - * Kludge to allow us to get routes out to machines that - * don't know their addresses yet; send to that address on - * ALL connected nets - */ - if (ipx_neteqnn(sipx->sipx_addr.x_net, ipx_zeronet)) { - extern struct interface *ifnet; - register struct interface *ifp; - - for (ifp = ifnet; ifp; ifp = ifp->int_next) { - sipx->sipx_addr.x_net = - satoipx_addr(ifp->int_addr).x_net; - (void) sendto(s, msg, size, flags, - (struct sockaddr *)sipx, sizeof (*sipx)); - } - return; - } - - (void) sendto(s, msg, size, flags, - (struct sockaddr *)sipx, sizeof (*sipx)); -} - -/* - * Return 1 if we want this route. - * We use this to disallow route net G entries for one for multiple - * point to point links. - */ -int -ipxnet_checkhost(sipx) - struct sockaddr_ipx *sipx; -{ - register struct interface *ifp = if_ifwithnet((struct sockaddr *)sipx); - /* - * We want this route if there is no more than one - * point to point interface with this network. - */ - if (ifp == 0 || (ifp->int_flags & IFF_POINTOPOINT)==0) return (1); - return (ifp->int_sq.n == ifp->int_sq.p); -} - -/* - * Return 1 if the address is - * for a host, 0 for a network. - */ -int -ipxnet_ishost(sipx) -struct sockaddr_ipx *sipx; -{ - register u_short *s = sipx->sipx_addr.x_host.s_host; - - if ((s[0]==0x0000) && (s[1]==0x0000) && (s[2]==0x0000)) - return (0); - if ((s[0]==0xffff) && (s[1]==0xffff) && (s[2]==0xffff)) - return (0); - - return (1); -} - -void -ipxnet_canon(sipx) - struct sockaddr_ipx *sipx; -{ - - sipx->sipx_addr.x_port = 0; -} - -void -null_hash(addr, hp) - struct sockaddr *addr; - struct afhash *hp; -{ - - hp->afh_nethash = hp->afh_hosthash = 0; -} - -int -null_netmatch(a1, a2) - struct sockaddr *a1, *a2; -{ - - return (0); -} - -void -null_output(s, f, a1, n) - int s; - int f; - struct sockaddr *a1; - int n; -{ - - ; -} - -int -null_portmatch(a1) - struct sockaddr *a1; -{ - - return (0); -} - -int -null_portcheck(a1) - struct sockaddr *a1; -{ - - return (0); -} - -int -null_ishost(a1) - struct sockaddr *a1; -{ - - return (0); -} - -int -null_checkhost(a1) - struct sockaddr *a1; -{ - - return (0); -} - -void -null_canon(a1) - struct sockaddr *a1; -{ - - ; -} - |
