FreeCalypso > hg > freecalypso-hwlab

annotate pcsc-test/pcsc-test2.c @ 164:9336a48746d9

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audio-tones: experimental tools and findings
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Nov 2021 04:49:06 +0000
parents 1d7d8615d628
children
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84
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 #include <sys/types.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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2 #include <string.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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3 #include <strings.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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4 #include <stdio.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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5 #include <stdlib.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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6 #include <pcsclite.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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7 #include <winscard.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <reader.h>
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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9
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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10 #define MAX_ATR_BYTES 33
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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11
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12 SCARDCONTEXT hContext;
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13 SCARDHANDLE hCard;
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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14 char *reader_name_buf;
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15
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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16 setup_pcsc_context()
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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17 {
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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18 LONG rv;
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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19
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20 rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
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21 if (rv != SCARD_S_SUCCESS) {
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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22 fprintf(stderr, "SCardEstablishContext: %s\n",
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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23 pcsc_stringify_error(rv));
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24 exit(1);
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25 }
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26 return(0);
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27 }
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28
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29 get_reader_name()
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30 {
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31 LONG rv;
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32 DWORD dwReaders;
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33
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34 rv = SCardListReaders(hContext, NULL, NULL, &dwReaders);
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35 if (rv != SCARD_S_SUCCESS) {
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36 fprintf(stderr, "SCardListReaders 1st call: %s\n",
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37 pcsc_stringify_error(rv));
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38 SCardReleaseContext(hContext);
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39 exit(1);
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40 }
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41 if (dwReaders < 1) {
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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42 fprintf(stderr,
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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43 "error: dwReaders returned by SCardListReaders() is less than 1\n");
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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44 SCardReleaseContext(hContext);
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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45 exit(1);
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
Mychaela Falconia <falcon@freecalypso.org>
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46 }
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Mychaela Falconia <falcon@freecalypso.org>
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47 reader_name_buf = malloc(dwReaders);
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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48 if (!reader_name_buf) {
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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49 perror("malloc for readers list");
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50 SCardReleaseContext(hContext);
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51 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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52 }
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53 reader_name_buf[0] = '\0';
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54 rv = SCardListReaders(hContext, NULL, reader_name_buf, &dwReaders);
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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55 if (rv != SCARD_S_SUCCESS) {
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56 fprintf(stderr, "SCardListReaders 2nd call: %s\n",
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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57 pcsc_stringify_error(rv));
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58 SCardReleaseContext(hContext);
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59 exit(1);
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60 }
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61 if (reader_name_buf[0] == '\0') {
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62 fprintf(stderr,
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63 "error: list returned by SCardListReaders() begins with a NUL byte\n");
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64 SCardReleaseContext(hContext);
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65 exit(1);
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66 }
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67 if (!memchr(reader_name_buf, 0, dwReaders)) {
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68 fprintf(stderr,
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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69 "error: list returned by SCardListReaders() does not contain a NUL byte\n");
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70 SCardReleaseContext(hContext);
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71 exit(1);
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72 }
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73 return(0);
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74 }
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75
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76 connect_to_card()
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77 {
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78 LONG rv;
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79 DWORD dwActiveProtocol;
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80
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81 rv = SCardConnect(hContext, reader_name_buf, SCARD_SHARE_EXCLUSIVE,
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82 SCARD_PROTOCOL_T0, &hCard, &dwActiveProtocol);
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83 if (rv != SCARD_S_SUCCESS) {
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84 fprintf(stderr, "SCardConnect: %s\n", pcsc_stringify_error(rv));
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85 SCardReleaseContext(hContext);
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86 exit(1);
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87 }
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88 return(0);
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89 }
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90
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91 retrieve_atr()
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92 {
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93 u_char atrbuf[MAX_ATR_BYTES];
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94 LONG rv;
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95 DWORD dwAttrLen;
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96 unsigned n;
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97
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98 dwAttrLen = MAX_ATR_BYTES;
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99 rv = SCardGetAttrib(hCard, SCARD_ATTR_ATR_STRING, atrbuf, &dwAttrLen);
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100 if (rv != SCARD_S_SUCCESS) {
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101 fprintf(stderr, "SCardGetAttrib for ATR: %s\n",
1d7d8615d628 pcsc-test: some experiments to get pcsc-lite working
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diff changeset
102 pcsc_stringify_error(rv));
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103 return(-1);
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104 }
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105 printf("ATR:");
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106 for (n = 0; n < dwAttrLen; n++)
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107 printf(" %02X", atrbuf[n]);
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108 putchar('\n');
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109 return(0);
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110 }
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111
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112 main(argc, argv)
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113 char **argv;
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114 {
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115 setup_pcsc_context();
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116 get_reader_name();
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117 printf("Card reader name: %s\n", reader_name_buf);
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118 connect_to_card();
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119 retrieve_atr();
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120 SCardDisconnect(hCard, SCARD_UNPOWER_CARD);
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121 SCardReleaseContext(hContext);
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122 exit(0);
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diff changeset
123 }