FreeCalypso > hg > fc-pcsc-tools

annotate libcommon/apdu.c @ 93:1743802e494e

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doc/Low-level-commands: savebin command documented
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 Feb 2021 19:35:56 +0000
parents f7145c77b7fb
children
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <pcsclite.h>
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5 #include <winscard.h>
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6 #include "cardif.h"
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7
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8 u_char sim_resp_data[258];
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9 unsigned sim_resp_data_len, sim_resp_sw;
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10
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11 apdu_exchange(cmd_apdu, cmd_apdu_len)
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12 u_char *cmd_apdu;
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13 unsigned cmd_apdu_len;
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14 {
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15 LONG rv;
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16 DWORD dwRecvLength;
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17 u_char *sw;
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18
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19 dwRecvLength = 258;
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20 rv = SCardTransmit(hCard, SCARD_PCI_T0, cmd_apdu, cmd_apdu_len, NULL,
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21 sim_resp_data, &dwRecvLength);
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22 if (rv != SCARD_S_SUCCESS) {
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23 fprintf(stderr, "SCardTransmit: %s\n",
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24 pcsc_stringify_error(rv));
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25 return(-1);
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26 }
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27 if (dwRecvLength < 2) {
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28 fprintf(stderr,
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29 "error: SCardTransmit response is shorter than 2 SW bytes\n");
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30 return(-1);
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31 }
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32 sim_resp_data_len = dwRecvLength - 2;
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33 sw = sim_resp_data + sim_resp_data_len;
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34 sim_resp_sw = (sw[0] << 8) | sw[1];
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35 return(0);
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36 }