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/* $OpenBSD: moptrace.c,v 1.3 1997/01/15 23:44:30 millert Exp $ */
/*
* Copyright (c) 1993-95 Mats O Jansson. 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 Mats O Jansson.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 rcsid[] = "$OpenBSD: moptrace.c,v 1.3 1997/01/15 23:44:30 millert Exp $";
#endif
/*
* moptrace - MOP Trace Utility
*
* Usage: moptrace -a [ -d ] [ -3 | -4 ]
* moptrace [ -d ] [ -3 | -4 ] interface
*/
#include "os.h"
#include "common/common.h"
#include "common/mopdef.h"
#include "common/device.h"
#include "common/print.h"
#include "common/pf.h"
#include "common/dl.h"
#include "common/rc.h"
#include "common/get.h"
/*
* The list of all interfaces that are being listened to.
* "selects" on the descriptors in this list.
*/
struct if_info *iflist;
#ifdef NO__P
void Loop (/* void */);
void Usage (/* void */);
void mopProcess (/* struct if_info *, u_char * */);
#else
void Loop __P((void));
void Usage __P((void));
void mopProcess __P((struct if_info *, u_char *));
#endif
int AllFlag = 0; /* listen on "all" interfaces */
int DebugFlag = 0; /* print debugging messages */
int Not3Flag = 0; /* Ignore MOP V3 messages */
int Not4Flag = 0; /* Ignore MOP V4 messages */
int promisc = 1; /* Need promisc mode */
char *Program;
void
main(argc, argv)
int argc;
char **argv;
{
int op;
char *interface;
extern int optind, opterr;
if ((Program = strrchr(argv[0], '/')))
Program++;
else
Program = argv[0];
if (*Program == '-')
Program++;
/* All error reporting is done through syslogs. */
openlog(Program, LOG_PID | LOG_CONS, LOG_DAEMON);
opterr = 0;
while ((op = getopt(argc, argv, "34ad")) != -1) {
switch (op) {
case '3':
Not3Flag++;
break;
case '4':
Not4Flag++;
break;
case 'a':
AllFlag++;
break;
case 'd':
DebugFlag++;
break;
default:
Usage();
/* NOTREACHED */
}
}
interface = argv[optind++];
if ((AllFlag && interface) ||
(!AllFlag && interface == 0) ||
(Not3Flag && Not4Flag))
Usage();
if (AllFlag)
deviceInitAll();
else
deviceInitOne(interface);
Loop();
}
void
Usage()
{
(void) fprintf(stderr, "usage: %s -a [ -d ] [ -3 | -4 ]\n",Program);
(void) fprintf(stderr, " %s [ -d ] [ -3 | -4 ] interface\n",
Program);
exit(1);
}
/*
* Process incoming packages.
*/
void
mopProcess(ii, pkt)
struct if_info *ii;
u_char *pkt;
{
int trans;
/* We don't known which transport, Guess! */
trans = mopGetTrans(pkt, 0);
/* Ok, return if we don't want this message */
if ((trans == TRANS_ETHER) && Not3Flag) return;
if ((trans == TRANS_8023) && Not4Flag) return;
mopPrintHeader(stdout, pkt, trans);
mopPrintMopHeader(stdout, pkt, trans);
mopDumpDL(stdout, pkt, trans);
mopDumpRC(stdout, pkt, trans);
fprintf(stdout, "\n");
fflush(stdout);
}
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