summaryrefslogtreecommitdiffstats
path: root/usr.sbin/IPXrouted/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/IPXrouted/main.c')
-rw-r--r--usr.sbin/IPXrouted/main.c401
1 files changed, 0 insertions, 401 deletions
diff --git a/usr.sbin/IPXrouted/main.c b/usr.sbin/IPXrouted/main.c
deleted file mode 100644
index 773410a..0000000
--- a/usr.sbin/IPXrouted/main.c
+++ /dev/null
@@ -1,401 +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.
- * 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.
- *
- * $FreeBSD$
- */
-
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1985, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static const char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/5/93";
-#endif /* not lint */
-
-/*
- * IPX Routing Information Protocol Daemon
- */
-#include "defs.h"
-#include <sys/time.h>
-
-#include <net/if.h>
-
-#include <errno.h>
-#include <nlist.h>
-#include <signal.h>
-#include <paths.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#define SAP_PKT 0
-#define RIP_PKT 1
-
-struct sockaddr_ipx addr; /* Daemon's Address */
-int ripsock; /* RIP Socket to listen on */
-int sapsock; /* SAP Socket to listen on */
-int kmem;
-int install; /* if 1 call kernel */
-int lookforinterfaces; /* if 1 probe kernel for new up interfaces */
-int performnlist; /* if 1 check if /kernel has changed */
-int externalinterfaces; /* # of remote and local interfaces */
-int timeval; /* local idea of time */
-int noteremoterequests; /* squawk on requests from non-local nets */
-int r; /* Routing socket to install updates with */
-struct sockaddr_ipx ipx_netmask; /* Used in installing routes */
-
-char packet[MAXRXPACKETSIZE+1];
-
-char **argv0;
-
-int supplier = -1; /* process should supply updates */
-int dosap = 1; /* By default do SAP services. */
-int dobcast = 1; /* A RIP/SAP broadcast is needed. */
-time_t lastbcast; /* Time of last RIP/SAP broadcast */
-
-struct rip *msg = (struct rip *) &packet[sizeof (struct ipx)];
-struct sap_packet *sap_msg =
- (struct sap_packet *) &packet[sizeof (struct ipx)];
-void hup(), fkexit(), timer();
-void process(int fd, int pkt_type);
-int getsocket(int type, int proto, struct sockaddr_ipx *sipx);
-void getinfo();
-void catchtimer();
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- int nfds;
- fd_set fdvar;
- time_t ttime;
- struct itimerval tval;
-
- argv0 = argv;
- argv++, argc--;
- while (argc > 0 && **argv == '-') {
- if (strcmp(*argv, "-s") == 0) {
- supplier = 1;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-q") == 0) {
- supplier = 0;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-R") == 0) {
- noteremoterequests++;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-S") == 0) {
- dosap = 0;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-t") == 0) {
- tracepackets++;
- argv++, argc--;
- ftrace = stderr;
- tracing = 1;
- continue;
- }
- if (strcmp(*argv, "-g") == 0) {
- gateway = 1;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-l") == 0) {
- gateway = -1;
- argv++, argc--;
- continue;
- }
- if (strcmp(*argv, "-N") == 0) {
- dognreply = 0;
- argv++, argc--;
- continue;
- }
- fprintf(stderr,
- "usage: ipxrouted [ -s ] [ -q ] [ -t ] [ -g ] [ -l ] [ -N ]\n");
- exit(1);
- }
-
-
-#ifndef DEBUG
- if (!tracepackets)
- daemon(0, 0);
-#endif
- openlog("IPXrouted", LOG_PID, LOG_DAEMON);
-
- addr.sipx_family = AF_IPX;
- addr.sipx_len = sizeof(addr);
- addr.sipx_port = htons(IPXPORT_RIP);
- ipx_anynet.s_net[0] = ipx_anynet.s_net[1] = -1;
- ipx_netmask.sipx_addr.x_net = ipx_anynet;
- ipx_netmask.sipx_len = 6;
- ipx_netmask.sipx_family = AF_IPX;
- r = socket(AF_ROUTE, SOCK_RAW, 0);
- /* later, get smart about lookingforinterfaces */
- if (r)
- shutdown(r, SHUT_RD); /* for now, don't want reponses */
- else {
- fprintf(stderr, "IPXrouted: no routing socket\n");
- exit(1);
- }
- ripsock = getsocket(SOCK_DGRAM, 0, &addr);
- if (ripsock < 0)
- exit(1);
-
- if (dosap) {
- addr.sipx_port = htons(IPXPORT_SAP);
- sapsock = getsocket(SOCK_DGRAM, 0, &addr);
- if (sapsock < 0)
- exit(1);
- } else
- sapsock = -1;
-
- /*
- * Any extra argument is considered
- * a tracing log file.
- */
- if (argc > 0)
- traceon(*argv);
- /*
- * Collect an initial view of the world by
- * snooping in the kernel. Then, send a request packet on all
- * directly connected networks to find out what
- * everyone else thinks.
- */
- rtinit();
- sapinit();
- ifinit();
- if (supplier < 0)
- supplier = 0;
- /* request the state of the world */
- msg->rip_cmd = htons(RIPCMD_REQUEST);
- msg->rip_nets[0].rip_dst = ipx_anynet;
- msg->rip_nets[0].rip_metric = htons(HOPCNT_INFINITY);
- msg->rip_nets[0].rip_ticks = htons(-1);
- toall(sndmsg, NULL, 0);
-
- if (dosap) {
- sap_msg->sap_cmd = htons(SAP_REQ);
- sap_msg->sap[0].ServType = htons(SAP_WILDCARD);
- toall(sapsndmsg, NULL, 0);
- }
-
- signal(SIGALRM, catchtimer);
- signal(SIGHUP, hup);
- signal(SIGINT, hup);
- signal(SIGEMT, fkexit);
- signal(SIGINFO, getinfo);
-
- tval.it_interval.tv_sec = TIMER_RATE;
- tval.it_interval.tv_usec = 0;
- tval.it_value.tv_sec = TIMER_RATE;
- tval.it_value.tv_usec = 0;
- setitimer(ITIMER_REAL, &tval, NULL);
-
- nfds = 1 + max(sapsock, ripsock);
-
- for (;;) {
- if (dobcast) {
- dobcast = 0;
- lastbcast = time(NULL);
- timer();
- }
-
- FD_ZERO(&fdvar);
- if (dosap) {
- FD_SET(sapsock, &fdvar);
- }
- FD_SET(ripsock, &fdvar);
-
- if(select(nfds, &fdvar, (fd_set *)NULL, (fd_set *)NULL,
- (struct timeval *)NULL) < 0) {
- if(errno == EINTR)
- continue;
- perror("during select");
- exit(1);
- }
-
- if(FD_ISSET(ripsock, &fdvar))
- process(ripsock, RIP_PKT);
-
- if(dosap && FD_ISSET(sapsock, &fdvar))
- process(sapsock, SAP_PKT);
-
- ttime = time(NULL);
- if (ttime > (lastbcast + TIMER_RATE + (TIMER_RATE * 2 / 3))) {
- dobcast = 1;
- syslog(LOG_ERR, "Missed alarm");
- }
- }
-}
-
-void
-process(fd, pkt_type)
- int fd;
- int pkt_type;
-{
- struct sockaddr from;
- int cc, omask;
- socklen_t fromlen = sizeof (from);
- struct ipx *ipxdp = (struct ipx *)packet;
-
- cc = recvfrom(fd, packet, sizeof (packet), 0, &from, &fromlen);
- if (cc <= 0) {
- if (cc < 0 && errno != EINTR)
- syslog(LOG_ERR, "recvfrom: %m");
- return;
- }
- if (tracepackets > 1 && ftrace) {
- fprintf(ftrace,"rcv %d bytes on %s ",
- cc, ipxdp_ntoa(&ipxdp->ipx_dna));
- fprintf(ftrace," from %s\n", ipxdp_ntoa(&ipxdp->ipx_sna));
- }
-
- if (noteremoterequests &&
- !ipx_neteqnn(ipxdp->ipx_sna.x_net, ipx_zeronet) &&
- !ipx_neteq(ipxdp->ipx_sna, ipxdp->ipx_dna))
- {
- syslog(LOG_ERR,
- "net of interface (%s) != net on ether (%s)!\n",
- ipxdp_nettoa(ipxdp->ipx_dna.x_net),
- ipxdp_nettoa(ipxdp->ipx_sna.x_net));
- }
-
- /* We get the IPX header in front of the RIF packet*/
- cc -= sizeof (struct ipx);
-#define mask(s) (1<<((s)-1))
- omask = sigblock(mask(SIGALRM));
- switch(pkt_type) {
- case SAP_PKT: sap_input(&from, cc);
- break;
- case RIP_PKT: rip_input(&from, cc);
- break;
- }
- sigsetmask(omask);
-}
-
-int
-getsocket(type, proto, sipx)
- int type, proto;
- struct sockaddr_ipx *sipx;
-{
- int domain = sipx->sipx_family;
- int retry, s, on = 1;
-
- retry = 1;
- while ((s = socket(domain, type, proto)) < 0 && retry) {
- syslog(LOG_ERR, "socket: %m");
- sleep(5 * retry);
- retry <<= 1;
- }
- if (retry == 0)
- return (-1);
- while (bind(s, (struct sockaddr *)sipx, sizeof (*sipx)) < 0 && retry) {
- syslog(LOG_ERR, "bind: %m");
- sleep(5 * retry);
- retry <<= 1;
- }
- if (retry == 0)
- return (-1);
- if (domain==AF_IPX) {
- struct ipx ipxdp;
- if (setsockopt(s, 0, SO_HEADERS_ON_INPUT, &on, sizeof(on))) {
- syslog(LOG_ERR, "setsockopt SEE HEADERS: %m");
- exit(1);
- }
- if (ntohs(sipx->sipx_addr.x_port) == IPXPORT_RIP)
- ipxdp.ipx_pt = IPXPROTO_RI;
- else if (ntohs(sipx->sipx_addr.x_port) == IPXPORT_SAP)
-#ifdef IPXPROTO_SAP
- ipxdp.ipx_pt = IPXPROTO_SAP;
-#else
- ipxdp.ipx_pt = IPXPROTO_PXP;
-#endif
- else {
- syslog(LOG_ERR, "port should be either RIP or SAP");
- exit(1);
- }
- if (setsockopt(s, 0, SO_DEFAULT_HEADERS, &ipxdp, sizeof(ipxdp))) {
- syslog(LOG_ERR, "setsockopt SET HEADER: %m");
- exit(1);
- }
- }
- if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &on, sizeof (on)) < 0) {
- syslog(LOG_ERR, "setsockopt SO_BROADCAST: %m");
- exit(1);
- }
- return (s);
-}
-
-/*
- * Fork and exit on EMT-- for profiling.
- */
-void
-fkexit()
-{
- if (fork() == 0)
- exit(0);
-}
-
-void
-catchtimer()
-{
- dobcast = 1;
-}
-
-void
-getinfo()
-{
- FILE *fh;
-
- fh = fopen("/var/log/ipxrouted.dmp", "a");
- if(fh == NULL)
- return;
-
- dumpriptable(fh);
- dumpsaptable(fh, sap_head);
-
- fclose(fh);
-}
-
OpenPOWER on IntegriCloud