diff options
Diffstat (limited to 'usr.sbin/XNSrouted/main.c')
| -rw-r--r-- | usr.sbin/XNSrouted/main.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/usr.sbin/XNSrouted/main.c b/usr.sbin/XNSrouted/main.c deleted file mode 100644 index f350ae4..0000000 --- a/usr.sbin/XNSrouted/main.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Copyright (c) 1985, 1993 - * The Regents of the University of California. 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1985, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/5/93"; -#endif /* not lint */ - -/* - * XNS 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> - -int supplier = -1; /* process should supply updates */ -extern int gateway; - -struct rip *msg = (struct rip *) &packet[sizeof (struct idp)]; -void hup(), fkexit(), timer(); - -main(argc, argv) - int argc; - char *argv[]; -{ - int cc; - struct sockaddr from; - u_char retry; - - 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, "-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; - } - fprintf(stderr, - "usage: xnsrouted [ -s ] [ -q ] [ -t ] [ -g ] [ -l ]\n"); - exit(1); - } - - -#ifndef DEBUG - if (!tracepackets) - daemon(0, 0); -#endif - openlog("XNSrouted", LOG_PID, LOG_DAEMON); - - addr.sns_family = AF_NS; - addr.sns_len = sizeof(addr); - addr.sns_port = htons(IDPPORT_RIF); - ns_anynet.s_net[0] = ns_anynet.s_net[1] = -1; - ns_netmask.sns_addr.x_net = ns_anynet; - ns_netmask.sns_len = 6; - r = socket(AF_ROUTE, SOCK_RAW, 0); - /* later, get smart about lookingforinterfaces */ - if (r) - shutdown(r, 0); /* for now, don't want reponses */ - else { - fprintf(stderr, "routed: no routing socket\n"); - exit(1); - } - s = getsocket(SOCK_DGRAM, 0, &addr); - if (s < 0) - exit(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(); - ifinit(); - if (supplier < 0) - supplier = 0; - /* request the state of the world */ - msg->rip_cmd = htons(RIPCMD_REQUEST); - msg->rip_nets[0].rip_dst = ns_anynet; - msg->rip_nets[0].rip_metric = htons(HOPCNT_INFINITY); - toall(sndmsg); - signal(SIGALRM, timer); - signal(SIGHUP, hup); - signal(SIGINT, hup); - signal(SIGEMT, fkexit); - timer(); - - - for (;;) - process(s); - -} - -process(fd) - int fd; -{ - struct sockaddr from; - int fromlen = sizeof (from), cc, omask; - struct idp *idp = (struct idp *)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, xns_ntoa(&idp->idp_dna)); - fprintf(ftrace," from %s\n", xns_ntoa(&idp->idp_sna)); - } - - if (noteremoterequests && !ns_neteqnn(idp->idp_sna.x_net, ns_zeronet) - && !ns_neteq(idp->idp_sna, idp->idp_dna)) - { - syslog(LOG_ERR, - "net of interface (%s) != net on ether (%s)!\n", - xns_nettoa(idp->idp_dna.x_net), - xns_nettoa(idp->idp_sna.x_net)); - } - - /* We get the IDP header in front of the RIF packet*/ - cc -= sizeof (struct idp); -#define mask(s) (1<<((s)-1)) - omask = sigblock(mask(SIGALRM)); - rip_input(&from, cc); - sigsetmask(omask); -} - -getsocket(type, proto, sns) - int type, proto; - struct sockaddr_ns *sns; -{ - int domain = sns->sns_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 *)sns, sizeof (*sns)) < 0 && retry) { - syslog(LOG_ERR, "bind: %m"); - sleep(5 * retry); - retry <<= 1; - } - if (retry == 0) - return (-1); - if (domain==AF_NS) { - struct idp idp; - if (setsockopt(s, 0, SO_HEADERS_ON_INPUT, &on, sizeof(on))) { - syslog(LOG_ERR, "setsockopt SEE HEADERS: %m"); - exit(1); - } - idp.idp_pt = NSPROTO_RI; - if (setsockopt(s, 0, SO_DEFAULT_HEADERS, &idp, sizeof(idp))) { - 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); -} |
