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comparison miscprog/ftmdump.c @ 221:9f2e0c34fe33

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ftmdump (C1xx factory data reverse eng) tool written
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 17 Nov 2017 19:58:07 +0000
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220:2cc7a17c3859 221:9f2e0c34fe33
1 /*
2 * This program parses the record structure in Compal's FTM sector (or at least
3 * that's what I *think* it is called) and dumps each record in hex for further
4 * human analysis.
5 */
6
7 #include <sys/types.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12
13 char *infname;
14 FILE *inf;
15 u_char header[8];
16 u_char endmarker[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
17 unsigned hdr_words[4];
18
19 main(argc, argv)
20 char **argv;
21 {
22 if (argc < 2 || argc > 3) {
23 fprintf(stderr, "usage: %s binfile [offset]\n", argv[0]);
24 exit(1);
25 }
26 infname = argv[1];
27 inf = fopen(infname, "r");
28 if (!inf) {
29 perror(infname);
30 exit(1);
31 }
32 if (argc == 3)
33 fseek(inf, strtoul(argv[2], 0, 0), SEEK_SET);
34 for (;;) {
35 fread(header, 1, 8, inf);
36 if (!bcmp(header, endmarker, 8))
37 break;
38 process_record();
39 }
40 exit(0);
41 }
42
43 process_record()
44 {
45 u_char readbuf[16];
46 int pos, chunk, i, c;
47
48 for (i = 0; i < 4; i++)
49 hdr_words[i] = header[i*2] | (header[i*2+1] << 8);
50 printf("%04X %04X %04X %04X:\n\n", hdr_words[0], hdr_words[1],
51 hdr_words[2], hdr_words[3]);
52 for (pos = 0; pos < hdr_words[3]; pos += chunk) {
53 chunk = hdr_words[3] - pos;
54 if (chunk > 16)
55 chunk = 16;
56 fread(readbuf, 1, chunk, inf);
57 printf("%04X:", pos);
58 for (i = 0; i < 16; i++) {
59 if (i == 0 || i == 8)
60 putchar(' ');
61 if (i < chunk)
62 printf(" %02X", readbuf[i]);
63 else
64 fputs(" ", stdout);
65 }
66 fputs(" ", stdout);
67 for (i = 0; i < chunk; i++) {
68 c = readbuf[i];
69 if (c < ' ' || c > '~')
70 c = '.';
71 putchar(c);
72 }
73 putchar('\n');
74 }
75 putchar('\n');
76 }