FreeCalypso > hg > fc-sim-tools

annotate calypso/main.c @ 93:6041c601304d

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fcsim1-mkprov: revert OTA key addition It appears that GrcardSIM2 cards (which is what we got for FCSIM1) do not support OTA after all, contrary to what we were previously led to believe by some tech support emails from Grcard - apparently those support emails and OTA descriptions referred to some other card model(s).
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 21 Apr 2021 05:38:39 +0000
parents 2260fbd28b2a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
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1 #include <ctype.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <string.h>
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5 #include <strings.h>
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6
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7 static
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8 is_string_all_hex(str)
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9 char *str;
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10 {
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11 char *cp;
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12
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13 for (cp = str; *cp; cp++)
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14 if (!isxdigit(*cp))
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15 return(0);
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16 return(1);
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17 }
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18
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19 cmd_exchange(input)
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20 char *input;
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21 {
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22 char *targv[3];
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23 int rc;
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24
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25 targv[0] = "X";
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26 targv[1] = input;
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27 targv[2] = 0;
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28
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29 tpinterf_make_cmd(targv);
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30 rc = tpinterf_send_cmd();
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31 if (rc < 0)
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32 return(rc);
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33 return tpinterf_pass_output(20);
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34 }
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35
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36 cmd_atr()
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37 {
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38 static char *atr_argv[2] = {"atr", 0};
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39 int rc;
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40
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41 tpinterf_make_cmd(atr_argv);
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42 rc = tpinterf_send_cmd();
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43 if (rc < 0)
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44 return(rc);
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45 return tpinterf_pass_output(1);
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46 }
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47
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48 cmd_poweroff()
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49 {
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50 static char *poweroff_argv[2] = {"poweroff", 0};
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51
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52 tpinterf_make_cmd(poweroff_argv);
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53 tpinterf_send_cmd();
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54 }
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55
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56 main(argc, argv)
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57 char **argv;
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58 {
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59 char inbuf[576], *cp;
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60 unsigned len;
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61
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62 parse_target_fd_opt(argc, argv);
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63 set_serial_nonblock(0);
4
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64 putchar('\n');
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65 fflush(stdout);
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66
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67 for (; fgets(inbuf, sizeof inbuf, stdin); fflush(stdout)) {
4
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68 cp = index(inbuf, '\n');
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69 if (!cp) {
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70 printf("back end error: missing newline on input\n");
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71 continue;
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72 }
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73 *cp = '\0';
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74 if (!strcmp(inbuf, "atr")) {
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75 cmd_atr();
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76 continue;
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77 }
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78 if (!strcmp(inbuf, "poweroff")) {
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79 cmd_poweroff();
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80 exit(0);
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81 }
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82 if (!is_string_all_hex(inbuf)) {
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83 printf("back end error: input is not all hex\n");
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84 continue;
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85 }
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86 len = strlen(inbuf);
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87 if (len & 1) {
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88 printf(
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89 "back end error: input has odd number of hex digits\n");
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90 continue;
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91 }
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92 if (len < 10) {
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93 printf(
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94 "back end error: input is too short for command APDU\n");
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95 continue;
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96 }
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97 if (len > 520) {
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98 printf(
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99 "back end error: input is too long for command APDU\n");
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100 continue;
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101 }
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102 cmd_exchange(inbuf);
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103 }
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104
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105 exit(0);
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106 }