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/*-
* Copyright (c) 1983, 1988, 1993
* 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
static char copyright[] =
"@(#) Copyright (c) 1983, 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)trace.c 8.1 (Berkeley) 6/5/93";
#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--;
}
}
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