146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/* $NetBSD: moptrace.c,v 1.12 2016/06/08 01:19:05 christos Exp $ */
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/*
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* Copyright (c) 1993-95 Mats O Jansson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "port.h"
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#ifndef lint
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__RCSID("$NetBSD: moptrace.c,v 1.12 2016/06/08 01:19:05 christos Exp $");
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#endif
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/*
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* moptrace - MOP Trace Utility
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*
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* Usage: moptrace -a [ -d ] [ -3 | -4 ]
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* moptrace [ -d ] [ -3 | -4 ] interface
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*/
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#include "os.h"
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#include "common.h"
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#include "device.h"
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#include "dl.h"
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#include "get.h"
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#include "mopdef.h"
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#include "pf.h"
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#include "print.h"
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#include "rc.h"
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#include "log.h"
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/*
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* The list of all interfaces that are being listened to.
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* "selects" on the descriptors in this list.
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*/
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struct if_info *iflist;
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__dead static void Usage(void);
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void mopProcess(struct if_info *, u_char *);
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int AllFlag = 0; /* listen on "all" interfaces */
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int DebugFlag = 0; /* print debugging messages */
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int Not3Flag = 0; /* Ignore MOP V3 messages */
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int Not4Flag = 0; /* Ignore MOP V4 messages */
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int promisc = 1; /* Need promisc mode */
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int
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main(int argc, char **argv)
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{
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int op;
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char *interface;
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mopInteractive = 1;
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opterr = 0;
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while ((op = getopt(argc, argv, "34ad")) != -1) {
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switch (op) {
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case '3':
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Not3Flag++;
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break;
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case '4':
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Not4Flag++;
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break;
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case 'a':
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AllFlag++;
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break;
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case 'd':
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DebugFlag++;
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break;
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default:
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Usage();
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/* NOTREACHED */
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}
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}
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interface = argv[optind++];
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if ((AllFlag && interface) ||
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(!AllFlag && interface == 0) ||
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(Not3Flag && Not4Flag))
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Usage();
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if (AllFlag)
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deviceInitAll();
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else
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deviceInitOne(interface);
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Loop();
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/* NOTREACHED */
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return (0);
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}
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static void
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Usage(void)
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{
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(void) fprintf(stderr, "usage: %s -a [ -d ] [ -3 | -4 ]\n",
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getprogname());
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(void) fprintf(stderr, " %s [ -d ] [ -3 | -4 ] interface\n",
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getprogname());
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exit(1);
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}
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/*
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* Process incoming packages.
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*/
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void
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mopProcess(struct if_info *ii, u_char *pkt)
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{
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int trans;
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/* We don't known which transport, Guess! */
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trans = mopGetTrans(pkt, 0);
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/* Ok, return if we don't want this message */
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if ((trans == TRANS_ETHER) && Not3Flag) return;
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if ((trans == TRANS_8023) && Not4Flag) return;
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mopPrintHeader(stdout, pkt, trans);
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mopPrintMopHeader(stdout, pkt, trans);
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mopDumpDL(stdout, pkt, trans);
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mopDumpRC(stdout, pkt, trans);
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fprintf(stdout, "\n");
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fflush(stdout);
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}
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