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comparison pcsc/atrfunc.c @ 1:f7a03e53bb2c

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fc-pcsc-atr ported over
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Mar 2021 01:09:23 +0000
parents
children 11f4f8a8fa33
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0:f4479a0d4cea 1:f7a03e53bb2c
1 #include <sys/types.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <pcsclite.h>
5 #include <winscard.h>
6 #include <reader.h>
7
8 extern SCARDCONTEXT hContext;
9 extern SCARDHANDLE hCard;
10
11 #define MAX_ATR_BYTES 33
12
13 retrieve_atr(decor)
14 {
15 u_char atrbuf[MAX_ATR_BYTES];
16 LONG rv;
17 DWORD dwAttrLen;
18 unsigned n;
19
20 dwAttrLen = MAX_ATR_BYTES;
21 rv = SCardGetAttrib(hCard, SCARD_ATTR_ATR_STRING, atrbuf, &dwAttrLen);
22 if (rv != SCARD_S_SUCCESS) {
23 fprintf(stderr, "SCardGetAttrib for ATR: %s\n",
24 pcsc_stringify_error(rv));
25 SCardReleaseContext(hContext);
26 exit(1);
27 }
28 if (decor)
29 printf("ATR:");
30 for (n = 0; n < dwAttrLen; n++) {
31 if (decor)
32 putchar(' ');
33 printf("%02X", atrbuf[n]);
34 }
35 putchar('\n');
36 return(0);
37 }