diff options
Diffstat (limited to 'usr.sbin/IPXrouted/main.c')
-rw-r--r-- | usr.sbin/IPXrouted/main.c | 401 |
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); -} - |