/* * Copyright (c) 1993-96 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[] = "$Id: mopprobe.c,v 1.1 1996/09/21 13:49:17 maja Exp $"; #endif /* * mopprobe - MOP Probe Utility * * Usage: mopprobe -a [ -3 | -4 ] * mopprobe [ -3 | -4 ] interface */ #include "os.h" #include "common/common.h" #include "common/mopdef.h" #include "common/device.h" #include "common/print.h" #include "common/get.h" #include "common/cmp.h" #include "common/pf.h" #include "common/nmadef.h" /* * The list of all interfaces that are being listened to. rarp_loop() * "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; /* Not MOP V3 messages */ int Not4Flag = 0; /* Not MOP V4 messages */ int oflag = 0; /* print only once */ 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, "ado")) != EOF) { switch (op) { case '3': Not3Flag++; break; case '4': Not4Flag++; break; case 'a': AllFlag++; break; case 'd': DebugFlag++; break; case 'o': oflag++; 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 [ -3 | -4 ]\n",Program); (void) fprintf(stderr, " %s [ -3 | -4 ] interface\n",Program); exit(1); } /* * Process incomming packages. */ void mopProcess(ii, pkt) struct if_info *ii; u_char *pkt; { u_char *dst, *src, *p, mopcode, tmpc, ilen; u_short *ptype, moplen, tmps, itype, len; int index, i, device, trans; dst = pkt; src = pkt+6; ptype = (u_short *)(pkt+12); index = 0; if (*ptype < 1600) { len = *ptype; trans = TRANS_8023; ptype = (u_short *)(pkt+20); p = pkt+22; if (Not4Flag) return; } else { len = 0; trans = TRANS_ETHER; p = pkt+14; if (Not3Flag) return; } /* Ignore our own messages */ if (mopCmpEAddr(ii->eaddr,src) == 0) { return; } /* Just check multicast */ if (mopCmpEAddr(rc_mcst,dst) != 0) { return; } switch (trans) { case TRANS_8023: moplen = len; break; default: moplen = mopGetShort(pkt,&index); } mopcode = mopGetChar(p,&index); /* Just process System Information */ if (mopcode != MOP_K_CODE_SID) { return; } tmpc = mopGetChar(pkt,&index); /* Reserved */ tmps = mopGetShort(pkt,&index); /* Receipt # */ device = 0; /* Unknown Device */ itype = mopGetShort(pkt,&index); while (index < (int)(moplen + 2)) { ilen = mopGetChar(pkt,&index); switch (itype) { case 0: tmpc = mopGetChar(pkt,&index); index = index + tmpc; break; case MOP_K_INFO_VER: index = index + 3; break; case MOP_K_INFO_MFCT: index = index + 2; break; case MOP_K_INFO_CNU: index = index + 6; break; case MOP_K_INFO_RTM: index = index + 2; break; case MOP_K_INFO_CSZ: index = index + 2; break; case MOP_K_INFO_RSZ: index = index + 2; break; case MOP_K_INFO_HWA: index = index + 6; break; case MOP_K_INFO_TIME: index = index + 10; break; case MOP_K_INFO_SOFD: device = mopGetChar(pkt,&index); break; case MOP_K_INFO_SFID: tmpc = mopGetChar(pkt,&index); if ((index > 0) && (index < 17)) index = index + tmpc; break; case MOP_K_INFO_PRTY: index = index + 1; break; case MOP_K_INFO_DLTY: index = index + 1; break; case MOP_K_INFO_DLBSZ: index = index + 2; break; default: if (((device = NMA_C_SOFD_LCS) || /* DECserver 100 */ (device = NMA_C_SOFD_DS2) || /* DECserver 200 */ (device = NMA_C_SOFD_DP2) || /* DECserver 250 */ (device = NMA_C_SOFD_DS3)) && /* DECserver 300 */ ((itype > 101) && (itype < 107))) { switch (itype) { case 102: index = index + ilen; break; case 103: index = index + ilen; break; case 104: index = index + 2; break; case 105: (void)fprintf(stdout,"%x:%x:%x:%x:%x:%x\t", src[0],src[1],src[2],src[3],src[4],src[5]); for (i = 0; i < ilen; i++) { (void)fprintf(stdout, "%c",pkt[index+i]); } index = index + ilen; (void)fprintf(stdout, "\n"); break; case 106: index = index + ilen; break; }; } else { index = index + ilen; }; } itype = mopGetShort(pkt,&index); } }