xref: /freebsd/usr.sbin/dumpcis/main.c (revision 2bbc3fd5f68b12631ad0ed45db284073c7d4512f)
1 /*
2  * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD$");
27 
28 #include <fcntl.h>
29 #include <stdio.h>
30 #include <unistd.h>
31 #include "readcis.h"
32 
33 void
34 dump(unsigned char *p, int sz)
35 {
36 	int     ad = 0, i;
37 
38 	while (sz > 0) {
39 		printf("%03x: ", ad);
40 		for (i = 0; i < ((sz < 16) ? sz : 16); i++)
41 			printf(" %02x", p[i]);
42 		printf("\n");
43 		sz -= 16;
44 		p += 16;
45 		ad += 16;
46 	}
47 }
48 
49 static void
50 scanfile(char *name)
51 {
52 	int     fd;
53 	struct cis *cp;
54 
55 	fd = open(name, O_RDONLY);
56 	if (fd < 0)
57 		return;
58 	cp = readcis(fd);
59 	if (cp) {
60 		printf("Configuration data for file %s\n",
61 		    name);
62 		dumpcis(cp);
63 		freecis(cp);
64 	}
65 	close(fd);
66 }
67 
68 int
69 main(int argc, char **argv)
70 {
71 	for (argc--, argv++; argc; argc--, argv++)
72 		scanfile(*argv);
73 	return 0;
74 }
75