1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/* $NetBSD: mopprobe.c,v 1.4 1997/04/17 21:09:27 christos Exp $ */
/*
* 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.
*/
#include <sys/cdefs.h>
#ifndef lint
/*__RCSID("$NetBSD: mopprobe.c,v 1.4 1997/04/17 21:09:27 christos Exp $");*/
#endif
/*
* mopprobe - MOP Probe Utility
*
* Usage: mopprobe -a [ -3 | -4 ]
* mopprobe [ -3 | -4 ] interface
*/
#include "os.h"
#include "common/cmp.h"
#include "common/common.h"
#include "common/device.h"
#include "common/get.h"
#include "common/mopdef.h"
#include "common/nmadef.h"
#include "common/pf.h"
#include "common/print.h"
/*
* The list of all interfaces that are being listened to. rarp_loop()
* "selects" on the descriptors in this list.
*/
struct if_info *iflist;
void Usage __P((void));
int main __P((int, char **));
void mopProcess __P((struct if_info *, u_char *));
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 */
extern char *__progname; /* from crt0.o */
int
main(argc, argv)
int argc;
char **argv;
{
int op;
char *interface;
/* All error reporting is done through syslogs. */
openlog(__progname, LOG_PID | LOG_CONS, LOG_DAEMON);
opterr = 0;
while ((op = getopt(argc, argv, "ado")) != -1) {
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();
/* NOTREACHED */
return (0);
}
void
Usage()
{
(void) fprintf(stderr, "usage: %s -a [ -3 | -4 ]\n", __progname);
(void) fprintf(stderr, " %s [ -3 | -4 ] interface\n", __progname);
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);
}
}
|
