283 lines
6.5 KiB
C
283 lines
6.5 KiB
C
/* $NetBSD: mopprobe.c,v 1.7 2001/02/19 23:22:45 cgd Exp $ */
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/*
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* Copyright (c) 1993-96 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mats O Jansson.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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 <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: mopprobe.c,v 1.7 2001/02/19 23:22:45 cgd Exp $");
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#endif
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/*
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* mopprobe - MOP Probe Utility
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*
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* Usage: mopprobe -a [ -3 | -4 ]
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* mopprobe [ -3 | -4 ] interface
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*/
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#include "os.h"
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#include "cmp.h"
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#include "common.h"
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#include "device.h"
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#include "get.h"
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#include "mopdef.h"
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#include "nmadef.h"
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#include "pf.h"
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#include "print.h"
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/*
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* The list of all interfaces that are being listened to. rarp_loop()
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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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void Usage __P((void));
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int main __P((int, char **));
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void mopProcess __P((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; /* Not MOP V3 messages */
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int Not4Flag = 0; /* Not MOP V4 messages */
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int oflag = 0; /* print only once */
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int promisc = 1; /* Need promisc mode */
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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int op;
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char *interface;
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/* All error reporting is done through syslogs. */
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openlog("mopprobe", LOG_PID, LOG_DAEMON);
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opterr = 0;
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while ((op = getopt(argc, argv, "ado")) != -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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case 'o':
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oflag++;
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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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void
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Usage()
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{
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(void) fprintf(stderr, "usage: %s -a [ -3 | -4 ]\n", getprogname());
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(void) fprintf(stderr, " %s [ -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 incomming packages.
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*/
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void
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mopProcess(ii, pkt)
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struct if_info *ii;
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u_char *pkt;
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{
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u_char *dst, *src, *p, mopcode, tmpc, ilen;
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u_short *ptype, moplen, tmps, itype, len;
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int index, i, device, trans;
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dst = pkt;
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src = pkt+6;
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ptype = (u_short *)(pkt+12);
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index = 0;
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if (*ptype < 1600) {
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len = *ptype;
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trans = TRANS_8023;
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ptype = (u_short *)(pkt+20);
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p = pkt+22;
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if (Not4Flag) return;
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} else {
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len = 0;
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trans = TRANS_ETHER;
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p = pkt+14;
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if (Not3Flag) return;
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}
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/* Ignore our own messages */
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if (mopCmpEAddr(ii->eaddr,src) == 0) {
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return;
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}
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/* Just check multicast */
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if (mopCmpEAddr(rc_mcst,dst) != 0) {
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return;
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}
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switch (trans) {
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case TRANS_8023:
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moplen = len;
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break;
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default:
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moplen = mopGetShort(pkt,&index);
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}
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mopcode = mopGetChar(p,&index);
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/* Just process System Information */
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if (mopcode != MOP_K_CODE_SID) {
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return;
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}
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tmpc = mopGetChar(pkt,&index); /* Reserved */
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tmps = mopGetShort(pkt,&index); /* Receipt # */
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device = 0; /* Unknown Device */
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itype = mopGetShort(pkt,&index);
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while (index < (int)(moplen + 2)) {
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ilen = mopGetChar(pkt,&index);
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switch (itype) {
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case 0:
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tmpc = mopGetChar(pkt,&index);
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index = index + tmpc;
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break;
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case MOP_K_INFO_VER:
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index = index + 3;
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break;
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case MOP_K_INFO_MFCT:
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index = index + 2;
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break;
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case MOP_K_INFO_CNU:
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index = index + 6;
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break;
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case MOP_K_INFO_RTM:
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index = index + 2;
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break;
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case MOP_K_INFO_CSZ:
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index = index + 2;
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break;
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case MOP_K_INFO_RSZ:
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index = index + 2;
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break;
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case MOP_K_INFO_HWA:
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index = index + 6;
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break;
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case MOP_K_INFO_TIME:
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index = index + 10;
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break;
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case MOP_K_INFO_SOFD:
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device = mopGetChar(pkt,&index);
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break;
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case MOP_K_INFO_SFID:
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tmpc = mopGetChar(pkt,&index);
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if ((index > 0) && (index < 17))
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index = index + tmpc;
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break;
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case MOP_K_INFO_PRTY:
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index = index + 1;
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break;
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case MOP_K_INFO_DLTY:
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index = index + 1;
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break;
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case MOP_K_INFO_DLBSZ:
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index = index + 2;
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break;
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default:
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if (((device = NMA_C_SOFD_LCS) || /* DECserver 100 */
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(device = NMA_C_SOFD_DS2) || /* DECserver 200 */
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(device = NMA_C_SOFD_DP2) || /* DECserver 250 */
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(device = NMA_C_SOFD_DS3)) && /* DECserver 300 */
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((itype > 101) && (itype < 107)))
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{
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switch (itype) {
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case 102:
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index = index + ilen;
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break;
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case 103:
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index = index + ilen;
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break;
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case 104:
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index = index + 2;
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break;
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case 105:
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(void)fprintf(stdout,"%x:%x:%x:%x:%x:%x\t",
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src[0],src[1],src[2],src[3],src[4],src[5]);
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for (i = 0; i < ilen; i++) {
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(void)fprintf(stdout, "%c",pkt[index+i]);
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}
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index = index + ilen;
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(void)fprintf(stdout, "\n");
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break;
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case 106:
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index = index + ilen;
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break;
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};
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} else {
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index = index + ilen;
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};
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}
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itype = mopGetShort(pkt,&index);
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}
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}
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