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b03daccbbce9dae89951e5307fd87b0fd8716c5b
dreamlayers.netbsd-mopd/mopprobe/mopprobe.c
Maciej W. Rozycki b03daccbbc Application of mopd-2.5.3-fddi.patch: 
* Sun Nov 17 2002 Maciej W. Rozycki <macro@ds2.pg.gda.pl> 2.5.3-14
- handle FDDI interfaces (fddi)

Downloaded from:
ftp://ftp.linux-mips.org/pub/linux/mips/people/macro/mopd/mopd-2.5.3-fddi.patch.gz
.patch SHA256 = d358a6906f84f33fe206b05425706893c2117b6755ecf270e8d61dddbb788b07
Patch history copied from:
ftp://ftp.linux-mips.org/pub/linux/mips/people/macro/mopd/mopd-2.5.3-15.spec
2020-10-31 23:51:52 -04:00

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/*
* 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 1.11 1996/08/11 22:16:10 moj Exp $";
#endif
/*
* mopprobe - MOP Probe Utility
*
* Usage: mopprobe -a [ -3 | -4 ]
* mopprobe [ -3 | -4 ] interface
*/
#include <common/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 nomulti = 0; /* Need multicast mode */
char *Program;
int
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, "admo")) != EOF) {
switch (op) {
case '3':
Not3Flag++;
break;
case '4':
Not4Flag++;
break;
case 'a':
AllFlag++;
break;
case 'd':
DebugFlag++;
break;
case 'm':
nomulti++;
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();
return 0;
}
void
Usage()
{
(void) fprintf(stderr, "usage: %s -a [ -m ] [ -3 | -4 ]\n",Program);
(void) fprintf(stderr, " %s [ -m ] [ -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;
int index, i, device, trans;
trans = ii->trans;
if ((trans & (TRANS_ETHER + TRANS_8023))) {
ptype = (u_short *)(pkt+12);
if (ntohs(*ptype) < 1600) {
trans &= TRANS_8023;
if (Not4Flag)
return;
} else {
trans &= TRANS_ETHER;
if (Not3Flag)
return;
}
} else if ((trans & (TRANS_FDDI_8021H + TRANS_FDDI_8022))) {
if (*pkt >= MOP_K_FDDI_FC_MIN && *pkt <= MOP_K_FDDI_FC_MAX) {
if (!bcmp((char *)(pkt+16),
(char *)dl_802_proto, 3)) {
trans &= TRANS_FDDI_8022;
if (Not4Flag)
return;
} else if (!bcmp((char *)(pkt+16),
(char *)dl_8021h_proto, 3)) {
trans &= TRANS_FDDI_8021H;
if (Not3Flag)
return;
} else
return;
} else
return;
} else
return;
switch (trans) {
case TRANS_8023:
case TRANS_ETHER:
dst = pkt;
src = pkt + 6;
break;
case TRANS_FDDI_8022:
case TRANS_FDDI_8021H:
dst = pkt + 1;
src = pkt + 7;
break;
default:
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:
index = 22;
moplen = ntohs(*ptype);
break;
case TRANS_ETHER:
index = 14;
moplen = mopGetShort(pkt,&index);
break;
case TRANS_FDDI_8022:
case TRANS_FDDI_8021H:
index = 21;
moplen = mopGetShort(pkt,&index);
break;
}
p = pkt + index;
index = 0;
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)) {
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);
}
}
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