This is part of the series: "OS X Yosemite and smart cards: known bugs".
The function returns with
Apple bug report #19231112 "PC/SC function SCardGetAttrib is broken on Yosemite".
#19231112 closed as duplicate of #16366962.
SCardGetAttrib
SCardGetAttrib() do not work any more on Yosemite.The function returns with
8010000c
that is SCARD_F_INTERNAL_ERROR
.See also
"Problem With SCardGetAttrib on Mac OS X 10.10 (Yosemite)" at https://smartcardservices.macosforge.org/trac/ticket/139.Apple bug report #19231112 "PC/SC function SCardGetAttrib is broken on Yosemite".
#19231112 closed as duplicate of #16366962.
Sample code
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __APPLE__
#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
#else
#include <winscard.h>
#endif
#define SCARD_ATTR_VALUE(Class, Tag) ((((ULONG)(Class)) << 16) | ((ULONG)(Tag)))
#define SCARD_CLASS_ICC_STATE 9 /**< ICC State specific definitions */
#define SCARD_ATTR_ATR_STRING SCARD_ATTR_VALUE(SCARD_CLASS_ICC_STATE, 0x0303) /**< Answer to reset (ATR) string. */
int main(int argc, const char * argv[]) {
SCARDCONTEXT hContext;
LPSTR mszReaders;
DWORD err = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
if (err != SCARD_S_SUCCESS) {
printf("ScardEstablishedContext : %08x\n",err);
} else {
DWORD cchReaders = 0;
err = SCardListReaders(hContext, "SCard$AllReaders", NULL, &cchReaders);
if (err != 0) {
printf("ScardListReaders : %08x\n",err);
return -1;
}
mszReaders = calloc(cchReaders, sizeof(char));
if (!mszReaders) {
printf("calloc\n");
return -1;
}
err = SCardListReaders(hContext,"SCard$AllReaders", mszReaders, &cchReaders);
if (err != SCARD_S_SUCCESS) {
printf("ScardListReaders : %08x\n",err);
return -1;
}
printf("Reader : %s\n", mszReaders);
SCARDHANDLE hCard;
DWORD dwActiveProtocol;
err = SCardConnect(hContext, mszReaders, SCARD_SHARE_SHARED, SCARD_PROTOCOL_RAW, &hCard, &dwActiveProtocol);
if (err != SCARD_S_SUCCESS) {
printf("ScardConnect : %08x\n",err);
} else {
DWORD dwAtrLen = 32;
err = SCardGetAttrib(hCard, SCARD_ATTR_ATR_STRING, NULL, &dwAtrLen);
printf("ATR LENGTH : %1d\n", dwAtrLen);
if (err != SCARD_S_SUCCESS) {
printf("SCardGetAttrib : %08x\n",err);
} else {
printf("ATR LENGTH %d\n", dwAtrLen);
SCardDisconnect(hCard, SCARD_LEAVE_CARD);
SCardReleaseContext(hContext);
}
}
}
return 0;
}
Result (on Yosemite)
$ CFLAGS="-framework PCSC" make main
cc -framework PCSC main.c -o main
$ ./main
Reader : Gemalto PC Twin Reader
ATR LENGTH : 32
SCardGetAttrib : 80100001
Expected result (on Debian)
$ CFLAGS=`pkg-config --cflags libpcsclite` LDFLAGS=`pkg-config --libs libpcsclite` make main
cc -pthread -I/usr/include/PCSC -lpcsclite main.c -o main
$ ./main
Reader : Gemalto PC Twin Reader (70D7E2EE) 00 00
ATR LENGTH : 20
ATR LENGTH 20
ConversionConversion EmoticonEmoticon