Linux/MacOSX: Implement passing smart card PIN as command line argument (--token-pin switch)

src/Common/SecurityToken.cpp

@@ -517,6 +517,7 @@ namespace VeraCrypt
 						size_t cmdPinLen = strlen (cmdPin);
 						burn (cmdPin, cmdPinLen);
 					}
+					PinCallback->notifyIncorrectPin ();
 					(*WarningCallback) (Pkcs11Exception (CKR_PIN_INCORRECT));
 					continue;
 				}

src/Common/SecurityToken.h

@@ -170,6 +170,7 @@ namespace VeraCrypt
 	{
 		virtual ~GetPinFunctor () { }
 		virtual void operator() (string &str) = 0;
+		virtual void notifyIncorrectPin () = 0;
 	};
 
 	struct SendExceptionFunctor