home *** CD-ROM | disk | FTP | other *** search
- /*-
- * Copyright (c) 1983, 1988 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
- char copyright[] =
- "@(#) Copyright (c) 1983, 1988 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)trace.c 5.9 (Berkeley) 4/16/91";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/protosw.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <protocols/routed.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- struct sockaddr_in myaddr;
- char packet[MAXPACKETSIZE];
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- int size, s;
- struct sockaddr from;
- struct sockaddr_in router;
- register struct rip *msg = (struct rip *)packet;
- struct hostent *hp;
- struct servent *sp;
-
- if (argc < 3) {
- usage:
- printf("usage: trace cmd machines,\n");
- printf("cmd either \"on filename\", or \"off\"\n");
- exit(1);
- }
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s < 0) {
- perror("socket");
- exit(2);
- }
- myaddr.sin_family = AF_INET;
- myaddr.sin_port = htons(IPPORT_RESERVED-1);
- if (bind(s, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) {
- perror("bind");
- exit(2);
- }
-
- argv++, argc--;
- msg->rip_cmd = strcmp(*argv, "on") == 0 ?
- RIPCMD_TRACEON : RIPCMD_TRACEOFF;
- msg->rip_vers = RIPVERSION;
- argv++, argc--;
- size = sizeof (int);
- if (msg->rip_cmd == RIPCMD_TRACEON) {
- strcpy(msg->rip_tracefile, *argv);
- size += strlen(*argv);
- argv++, argc--;
- }
- if (argc == 0)
- goto usage;
- bzero((char *)&router, sizeof (router));
- router.sin_family = AF_INET;
- sp = getservbyname("router", "udp");
- if (sp == 0) {
- printf("udp/router: service unknown\n");
- exit(1);
- }
- router.sin_port = sp->s_port;
- while (argc > 0) {
- router.sin_family = AF_INET;
- router.sin_addr.s_addr = inet_addr(*argv);
- if (router.sin_addr.s_addr == -1) {
- hp = gethostbyname(*argv);
- if (hp == NULL) {
- fprintf(stderr, "trace: %s: ", *argv);
- herror((char *)NULL);
- continue;
- }
- bcopy(hp->h_addr, &router.sin_addr, hp->h_length);
- }
- if (sendto(s, packet, size, 0,
- (struct sockaddr *)&router, sizeof(router)) < 0)
- perror(*argv);
- argv++, argc--;
- }
- }
-