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annotate pcsc/context.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 f4479a0d4cea
children
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <pcsclite.h>
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4 #include <winscard.h>
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5
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6 SCARDCONTEXT hContext;
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7 char *reader_list;
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8
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9 setup_pcsc_context()
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10 {
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11 LONG rv;
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12
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13 rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
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14 if (rv != SCARD_S_SUCCESS) {
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15 fprintf(stderr, "SCardEstablishContext: %s\n",
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16 pcsc_stringify_error(rv));
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17 exit(1);
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18 }
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19 return(0);
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20 }
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21
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22 get_reader_list()
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23 {
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24 LONG rv;
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25 DWORD dwReaders;
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26
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27 rv = SCardListReaders(hContext, NULL, NULL, &dwReaders);
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28 if (rv != SCARD_S_SUCCESS) {
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29 fprintf(stderr, "SCardListReaders 1st call: %s\n",
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30 pcsc_stringify_error(rv));
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31 SCardReleaseContext(hContext);
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32 exit(1);
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33 }
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34 if (dwReaders < 1) {
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35 fprintf(stderr,
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36 "error: dwReaders returned by SCardListReaders() is less than 1\n");
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37 SCardReleaseContext(hContext);
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38 exit(1);
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39 }
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40 reader_list = malloc(dwReaders);
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41 if (!reader_list) {
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42 perror("malloc for readers list");
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43 SCardReleaseContext(hContext);
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44 exit(1);
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45 }
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46 reader_list[0] = '\0';
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47 rv = SCardListReaders(hContext, NULL, reader_list, &dwReaders);
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48 if (rv != SCARD_S_SUCCESS) {
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49 fprintf(stderr, "SCardListReaders 2nd call: %s\n",
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50 pcsc_stringify_error(rv));
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51 SCardReleaseContext(hContext);
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52 exit(1);
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53 }
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54 return(0);
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55 }