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annotate mot931c/emu.c @ 222:63c5bb42eca5

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osmo2psi test program written
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 Nov 2017 22:24:18 +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>
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1 #include <sys/types.h>
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 #include <sys/file.h>
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 #include <stdio.h>
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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4 #include <stdlib.h>
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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5 #include <string.h>
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 #include <strings.h>
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7
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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8 static int fd;
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9
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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10 static u_char verquery[13] = {0x02, 0x14, 0x41, 0x20, 0x20, 0x00, 0x00,
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11 0x04, 0x00, 0x00, 0x00, 0x45, 0x02};
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12
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13 static u_char verquery_resp[10] = {0x41, 0x00, 0x04, 0x00, 0x00, 0x00,
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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14 '8', '.', '8', '.'};
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15
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16 static u_char download_hdr[3] = {0x02, 0x14, 0x40};
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17 static u_char download_resp[2] = {0x40, 0x00};
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18
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19 send_stx()
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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20 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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21 static u_char stx = 0x02;
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22
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23 write(fd, &stx, 1);
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24 }
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25
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26 send_rvtmux_byte(b)
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27 {
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28 u_char buf[2];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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29 int l, o;
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30
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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31 buf[0] = 0x10;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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32 buf[1] = b;
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33 if (b == 0x02 || b == 0x10) {
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34 o = 0;
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35 l = 2;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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36 } else {
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37 o = 1;
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38 l = 1;
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39 }
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40 write(fd, buf + o, l);
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41 }
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42
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43 send_etm_resp(data, datalen)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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44 u_char *data;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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45 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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46 u_char csum;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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47 int i;
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48
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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49 printf("Responding with:");
9082f3991fe5 mot931c break-in procedure cracked
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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50 send_stx();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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51 send_rvtmux_byte(0x14);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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52 csum = 0;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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53 for (i = 0; i < datalen; i++) {
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54 printf(" %02X", data[i]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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55 send_rvtmux_byte(data[i]);
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56 csum ^= data[i];
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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57 }
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58 send_rvtmux_byte(csum);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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59 send_stx();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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60 putchar('\n');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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61 }
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62
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63 main(argc, argv)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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64 char **argv;
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65 {
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66 u_char buf[1024];
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67 int cc, i;
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68
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69 if (argc != 2) {
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70 fprintf(stderr, "usage: %s pty\n", argv[0]);
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71 exit(1);
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72 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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73 fd = open(argv[1], O_RDWR);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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74 if (fd < 0) {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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75 perror(argv[1]);
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76 exit(1);
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77 }
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78 for (;;) {
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79 cc = read(fd, buf, sizeof buf);
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80 if (cc < 0) {
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81 perror("read error");
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82 exit(1);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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83 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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84 if (cc == 0) {
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85 fprintf(stderr, "read EOF\n");
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86 exit(1);
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87 }
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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88 printf("read %d bytes:", cc);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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89 for (i = 0; i < cc; i++)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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90 printf(" %02X", buf[i]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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91 putchar('\n');
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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92 if (cc == sizeof(verquery) && !bcmp(buf, verquery, cc))
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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93 send_etm_resp(verquery_resp, sizeof verquery_resp);
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94 if (cc > 3 && !bcmp(buf, download_hdr, 3))
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95 send_etm_resp(download_resp, sizeof download_resp);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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96 }
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97 }