mopchk.c revision 1.18 
1/*	$OpenBSD: mopchk.c,v 1.18 2015/02/09 23:00:14 deraadt Exp $	*/
2
3/*
4 * Copyright (c) 1995-96 Mats O Jansson.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/*
28 * mopchk - MOP Check Utility
29 *
30 * Usage:	mopchk [-av] [file ...]
31 */
32
33#include "os.h"
34#include "common/common.h"
35#include "common/mopdef.h"
36#include "common/device.h"
37#include "common/pf.h"
38#include "common/file.h"
39
40/*
41 * The list of all interfaces that are being listened to.
42 */
43struct if_info *iflist;
44
45void   Usage(void);
46void   mopProcess(struct if_info *, u_char *);
47
48int     AllFlag = 0;		/* listen on "all" interfaces  */
49int	VersionFlag = 0;	/* Show version */
50int	promisc = 0;		/* promisc mode not needed */
51extern char *__progname;
52extern char version[];
53
54int
55main(argc, argv)
56	int     argc;
57	char  **argv;
58{
59	struct dllist dl;
60	int     op, i;
61	char   *filename, *p;
62	struct if_info *ii;
63	int	error;
64
65	/* All error reporting is done through syslogs. */
66	openlog(__progname, LOG_PID | LOG_CONS, LOG_DAEMON);
67
68	opterr = 0;
69	while ((op = getopt(argc, argv, "av")) != -1) {
70		switch (op) {
71		case 'a':
72			AllFlag = 1;
73			break;
74		case 'v':
75			VersionFlag = 1;
76			break;
77		default:
78			Usage();
79			/* NOTREACHED */
80		}
81	}
82
83	if (VersionFlag)
84		printf("%s: Version %s\n", __progname, version);
85
86	if (AllFlag) {
87		if (VersionFlag)
88			printf("\n");
89		iflist = NULL;
90		deviceInitAll();
91		if (iflist == NULL) {
92			printf("No interface\n");
93		} else {
94			printf("Interface Address\n");
95			p = NULL;
96			for (ii = iflist; ii; ii = ii->next) {
97				if (p != NULL) {
98					if (strcmp(p,ii->if_name) == 0)
99						continue;
100				}
101				printf("%-9s %x:%x:%x:%x:%x:%x\n",
102				       ii->if_name,
103				       ii->eaddr[0],ii->eaddr[1],ii->eaddr[2],
104				       ii->eaddr[3],ii->eaddr[4],ii->eaddr[5]);
105				p = ii->if_name;
106			}
107		}
108	}
109
110	if (VersionFlag || AllFlag)
111		i = 1;
112	else
113		i = 0;
114
115	while (argc > optind) {
116		if (i)	printf("\n");
117		i++;
118		filename = argv[optind++];
119		printf("Checking: %s\n",filename);
120		dl.ldfd = open(filename, O_RDONLY, 0);
121		if (dl.ldfd == -1) {
122			printf("Unknown file.\n");
123		} else {
124			if ((error = CheckElfFile(dl.ldfd)) == 0) {
125				if (GetElf32FileInfo(&dl, INFO_PRINT) < 0 &&
126				    GetElf64FileInfo(&dl, INFO_PRINT) < 0) {
127					printf("Some failure in GetElfXXFileInfo\n");
128				}
129			} else if ((error = CheckAOutFile(dl.ldfd)) == 0) {
130				if (GetAOutFileInfo(&dl, INFO_PRINT) < 0) {
131					printf("Some failure in GetAOutFileInfo\n");
132				}
133			} else if ((error = CheckMopFile(dl.ldfd)) == 0) {
134				if (GetMopFileInfo(&dl, INFO_PRINT) < 0) {
135					printf("Some failure in GetMopFileInfo\n");
136				}
137			};
138		}
139		(void)close(dl.ldfd);
140	}
141	return 0;
142}
143
144void
145Usage()
146{
147	fprintf(stderr, "usage: %s [-av] [file ...]\n", __progname);
148	exit(1);
149}
150
151/*
152 * Process incoming packages, NOT.
153 */
154/* ARGSUSED */
155void
156mopProcess(ii, pkt)
157	struct if_info *ii;
158	u_char *pkt;
159{
160}
161
162