FreeCalypso > hg > freecalypso-reveng

annotate mot931c/emu.c @ 275:cbd944ebeff0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Pirelli PCB RE: traced out Calypso FDP and flash reset input
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Mar 2018 20:38:24 +0000
parents 9082f3991fe5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
157
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 #include <sys/types.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 #include <sys/file.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 #include <stdio.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 #include <stdlib.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 #include <string.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 #include <strings.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 static int fd;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 static u_char verquery[13] = {0x02, 0x14, 0x41, 0x20, 0x20, 0x00, 0x00,
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 0x04, 0x00, 0x00, 0x00, 0x45, 0x02};
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 static u_char verquery_resp[10] = {0x41, 0x00, 0x04, 0x00, 0x00, 0x00,
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 '8', '.', '8', '.'};
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 static u_char download_hdr[3] = {0x02, 0x14, 0x40};
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 static u_char download_resp[2] = {0x40, 0x00};
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 send_stx()
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 static u_char stx = 0x02;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 write(fd, &stx, 1);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 send_rvtmux_byte(b)
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 u_char buf[2];
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 int l, o;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 buf[0] = 0x10;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 buf[1] = b;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 if (b == 0x02 || b == 0x10) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 o = 0;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 l = 2;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 } else {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 o = 1;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 l = 1;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 write(fd, buf + o, l);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 send_etm_resp(data, datalen)
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 u_char *data;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46 u_char csum;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 int i;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 printf("Responding with:");
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 send_stx();
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 send_rvtmux_byte(0x14);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 csum = 0;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53 for (i = 0; i < datalen; i++) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 printf(" %02X", data[i]);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
55 send_rvtmux_byte(data[i]);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
56 csum ^= data[i];
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
57 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
58 send_rvtmux_byte(csum);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
59 send_stx();
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
60 putchar('\n');
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
61 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
62
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
63 main(argc, argv)
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
64 char **argv;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
65 {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
66 u_char buf[1024];
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
67 int cc, i;
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
68
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
69 if (argc != 2) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
70 fprintf(stderr, "usage: %s pty\n", argv[0]);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
71 exit(1);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
72 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
73 fd = open(argv[1], O_RDWR);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
74 if (fd < 0) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
75 perror(argv[1]);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
76 exit(1);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
77 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
78 for (;;) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
79 cc = read(fd, buf, sizeof buf);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
80 if (cc < 0) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
81 perror("read error");
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
82 exit(1);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
83 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
84 if (cc == 0) {
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
85 fprintf(stderr, "read EOF\n");
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
86 exit(1);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
87 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
88 printf("read %d bytes:", cc);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
89 for (i = 0; i < cc; i++)
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
90 printf(" %02X", buf[i]);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
91 putchar('\n');
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
92 if (cc == sizeof(verquery) && !bcmp(buf, verquery, cc))
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
93 send_etm_resp(verquery_resp, sizeof verquery_resp);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
94 if (cc > 3 && !bcmp(buf, download_hdr, 3))
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
95 send_etm_resp(download_resp, sizeof download_resp);
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
96 }
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
97 }