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
|
/* $OpenBSD: moptrace.c,v 1.4 1998/03/19 07:40:13 deraadt Exp $ */
/*
* Copyright (c) 1993-95 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[] = "$OpenBSD: moptrace.c,v 1.4 1998/03/19 07:40:13 deraadt Exp $";
#endif
/*
* moptrace - MOP Trace Utility
*
* Usage: moptrace -a [ -d ] [ -3 | -4 ]
* moptrace [ -d ] [ -3 | -4 ] interface
*/
#include "os.h"
#include "common/common.h"
#include "common/mopdef.h"
#include "common/device.h"
#include "common/print.h"
#include "common/pf.h"
#include "common/dl.h"
#include "common/rc.h"
#include "common/get.h"
/*
* The list of all interfaces that are being listened to.
* "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; /* Ignore MOP V3 messages */
int Not4Flag = 0; /* Ignore MOP V4 messages */
int promisc = 1; /* Need promisc 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, "34ad")) != -1) {
switch (op) {
case '3':
Not3Flag++;
break;
case '4':
Not4Flag++;
break;
case 'a':
AllFlag++;
break;
case 'd':
DebugFlag++;
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 [ -d ] [ -3 | -4 ]\n",Program);
(void) fprintf(stderr, " %s [ -d ] [ -3 | -4 ] interface\n",
Program);
exit(1);
}
/*
* Process incoming packages.
*/
void
mopProcess(ii, pkt)
struct if_info *ii;
u_char *pkt;
{
int trans;
/* We don't known which transport, Guess! */
trans = mopGetTrans(pkt, 0);
/* Ok, return if we don't want this message */
if ((trans == TRANS_ETHER) && Not3Flag) return;
if ((trans == TRANS_8023) && Not4Flag) return;
mopPrintHeader(stdout, pkt, trans);
mopPrintMopHeader(stdout, pkt, trans);
mopDumpDL(stdout, pkt, trans);
mopDumpRC(stdout, pkt, trans);
fprintf(stdout, "\n");
fflush(stdout);
}
|
