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