Apple Bug not resolved, retry more than once (up to 100 times); refs #34

src/pcsc.hxx

@@ -320,22 +320,28 @@ namespace pcsc {
                          reconnect, first transaction (SCardTransmit)
                          fails with SCARD_W_RESET_CARD
                          (0x80100068). */
-                if (_state==SCARD_W_RESET_CARD) { // just resend once
+                for (int bugCnt(0);
+                     bugCnt<100 && _state==SCARD_W_RESET_CARD;
+                     ++bugCnt) { // just try to resend
                   CRYPTOLOG("Mac OS X 10.10 implementation bug: "
                             "On Mac OSX 10.10 there is a bug in "
                             "PCSC: After a reconnect, first "
                             "transaction (SCardTransmit) fails "
                             "with SCARD_W_RESET_CARD (0x80100068). "
-                            "Retry once.");
-                  check(SCardTransmit(_id, &rPci,
-                                      (LPCBYTE)in.c_str(),
-                                      in.size(),
-                                      0, buff, &len),
-                        "smartcard transmit message "+crypto::hex(in));
+                            "Retry Nr. "<<bugCnt);
+                  try {
+                    check(SCardTransmit(_id, &rPci,
+                                        (LPCBYTE)in.c_str(),
+                                        in.size(),
+                                        0, buff, &len),
+                          "smartcard transmit resend message "+crypto::hex(in));
+                  } catch (...) {
+                    continue; // try again
+                  }
+                  break; // success
                 }
-#             else
-                throw; // just rethrow otherwise
 #             endif
+              throw; // just rethrow otherwise
             }
             //CRYPTOLOG(" -> "<<crypto::hex(std::string((char*)buff, len)));
             return std::string((char*)buff, len);