FreeCalypso > hg > freecalypso-hwlab

annotate simtool/apdu.c @ 89:fb75855a74a9

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fc-simtool: select response parsing: show number of records
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 18:03:55 +0000
parents b57cf64ece29
children
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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5 #include <winscard.h>
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6 #include "globals.h"
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7
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8 apdu_exchange(cmd_apdu, cmd_apdu_len)
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9 u_char *cmd_apdu;
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10 unsigned cmd_apdu_len;
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11 {
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12 LONG rv;
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13 DWORD dwRecvLength;
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14 u_char *sw;
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16 dwRecvLength = 258;
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17 rv = SCardTransmit(hCard, SCARD_PCI_T0, cmd_apdu, cmd_apdu_len, NULL,
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18 sim_resp_data, &dwRecvLength);
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19 if (rv != SCARD_S_SUCCESS) {
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20 fprintf(stderr, "SCardTransmit: %s\n",
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21 pcsc_stringify_error(rv));
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22 return(-1);
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23 }
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24 if (dwRecvLength < 2) {
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25 fprintf(stderr,
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26 "error: SCardTransmit response is shorter than 2 SW bytes\n");
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27 return(-1);
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28 }
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29 sim_resp_data_len = dwRecvLength - 2;
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30 sw = sim_resp_data + sim_resp_data_len;
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31 sim_resp_sw = (sw[0] << 8) | sw[1];
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32 return(0);
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33 }