853 lines
25 KiB
C
853 lines
25 KiB
C
/*++
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Copyright (C) Microsoft Corporation, 1996 - 1999
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Module Name:
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smcioctl.c
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Abstract:
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This module handles all IOCTL requests to the smart card reader.
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Environment:
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Kernel mode only.
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Notes:
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This module is shared by Windows NT and Windows 9x
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Revision History:
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- Created June 1997 by Klaus Schutz
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--*/
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#define _ISO_TABLES_
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#ifndef SMCLIB_VXD
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#ifndef SMCLIB_CE
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <ntddk.h>
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#endif
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#endif
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#include "smclib.h"
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#define IOCTL_SMARTCARD_DEBUG SCARD_CTL_CODE(98)
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#define CheckUserBuffer(_len_) \
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if (SmartcardExtension->IoRequest.ReplyBuffer == NULL || \
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SmartcardExtension->IoRequest.ReplyBufferLength < (_len_)) { \
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status = STATUS_BUFFER_TOO_SMALL; \
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break; \
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}
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#define CheckMinCardStatus(_status_) \
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if (SmartcardExtension->ReaderCapabilities.CurrentState < (_status_)) { \
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status = STATUS_INVALID_DEVICE_STATE; \
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break; \
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}
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#define ReturnULong(_value_) \
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{ \
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CheckUserBuffer(sizeof(ULONG)) \
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*(PULONG) SmartcardExtension->IoRequest.ReplyBuffer = (_value_); \
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*SmartcardExtension->IoRequest.Information = sizeof(ULONG); \
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}
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#define ReturnUChar(_value_) \
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{ \
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CheckUserBuffer(sizeof(UCHAR)) \
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*(PUCHAR) SmartcardExtension->IoRequest.ReplyBuffer = (_value_); \
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*SmartcardExtension->IoRequest.Information = sizeof(UCHAR); \
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}
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#define DIM(_array_) (sizeof(_array_) / sizeof(_array_[0]))
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PTCHAR
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MapIoControlCodeToString(
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ULONG IoControlCode
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)
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{
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ULONG i;
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static struct {
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ULONG IoControlCode;
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PTCHAR String;
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} IoControlList[] = {
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IOCTL_SMARTCARD_POWER, TEXT("POWER"),
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IOCTL_SMARTCARD_GET_ATTRIBUTE, TEXT("GET_ATTRIBUTE"),
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IOCTL_SMARTCARD_SET_ATTRIBUTE, TEXT("SET_ATTRIBUTE"),
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IOCTL_SMARTCARD_CONFISCATE, TEXT("CONFISCATE"),
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IOCTL_SMARTCARD_TRANSMIT, TEXT("TRANSMIT"),
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IOCTL_SMARTCARD_EJECT, TEXT("EJECT"),
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IOCTL_SMARTCARD_SWALLOW, TEXT("SWALLOW"),
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IOCTL_SMARTCARD_IS_PRESENT, TEXT("IS_PRESENT"),
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IOCTL_SMARTCARD_IS_ABSENT, TEXT("IS_ABSENT"),
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IOCTL_SMARTCARD_SET_PROTOCOL, TEXT("SET_PROTOCOL"),
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IOCTL_SMARTCARD_GET_STATE, TEXT("GET_STATE"),
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IOCTL_SMARTCARD_GET_LAST_ERROR, TEXT("GET_LAST_ERROR")
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};
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for (i = 0; i < DIM(IoControlList); i++) {
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if (IoControlCode == IoControlList[i].IoControlCode) {
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return IoControlList[i].String;
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}
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}
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return TEXT("*** UNKNOWN ***");
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}
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NTSTATUS
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SmartcardDeviceIoControl(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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Routine Description:
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This routine handles the smart card lib specific io control requests.
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The driver has to call the function from the driver's io control request.
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It checks the parameters of the call and depending on the type of
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the call returns the requested value or calls the driver in order
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to perform an operation like POWER or TRANSMIT.
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NOTE: This function is used by Windows NT and VxD driver
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Arguments:
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SmartcardExtension - The pointer to the smart card data struct
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Return Value:
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NTSTATUS value
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--*/
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{
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NTSTATUS status = STATUS_SUCCESS;
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#ifdef SMCLIB_NT
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KIRQL Irql;
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#endif
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switch (SmartcardExtension->MajorIoControlCode) {
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#if DEBUG
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ULONG CurrentDebugLevel, bytesTransferred;
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#endif
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PSCARD_IO_REQUEST scardIoRequest;
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case IOCTL_SMARTCARD_GET_ATTRIBUTE:
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//
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// Please refer to the Interoperrability standard for ICC
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//
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switch (SmartcardExtension->MinorIoControlCode) {
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case SCARD_ATTR_VENDOR_NAME:
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CheckUserBuffer(SmartcardExtension->VendorAttr.VendorName.Length);
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RtlCopyMemory(
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SmartcardExtension->IoRequest.ReplyBuffer,
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SmartcardExtension->VendorAttr.VendorName.Buffer,
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SmartcardExtension->VendorAttr.VendorName.Length
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);
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*SmartcardExtension->IoRequest.Information =
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SmartcardExtension->VendorAttr.VendorName.Length;
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break;
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case SCARD_ATTR_VENDOR_IFD_TYPE:
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CheckUserBuffer(SmartcardExtension->VendorAttr.IfdType.Length);
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RtlCopyMemory(
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SmartcardExtension->IoRequest.ReplyBuffer,
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SmartcardExtension->VendorAttr.IfdType.Buffer,
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SmartcardExtension->VendorAttr.IfdType.Length
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);
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*SmartcardExtension->IoRequest.Information =
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SmartcardExtension->VendorAttr.IfdType.Length;
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break;
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case SCARD_ATTR_VENDOR_IFD_VERSION:
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ReturnULong(
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SmartcardExtension->VendorAttr.IfdVersion.BuildNumber |
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SmartcardExtension->VendorAttr.IfdVersion.VersionMinor << 16 |
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SmartcardExtension->VendorAttr.IfdVersion.VersionMajor << 24
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);
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break;
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case SCARD_ATTR_VENDOR_IFD_SERIAL_NO:
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if (SmartcardExtension->VendorAttr.IfdSerialNo.Length == 0) {
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status = STATUS_NOT_SUPPORTED;
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} else {
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CheckUserBuffer(SmartcardExtension->VendorAttr.IfdSerialNo.Length);
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RtlCopyMemory(
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SmartcardExtension->IoRequest.ReplyBuffer,
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SmartcardExtension->VendorAttr.IfdSerialNo.Buffer,
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SmartcardExtension->VendorAttr.IfdSerialNo.Length
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);
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*SmartcardExtension->IoRequest.Information =
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SmartcardExtension->VendorAttr.IfdSerialNo.Length;
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}
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break;
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case SCARD_ATTR_DEVICE_UNIT:
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// Return the unit number of this device
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ReturnULong(SmartcardExtension->VendorAttr.UnitNo);
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break;
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case SCARD_ATTR_CHANNEL_ID:
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//
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// Return reader type / channel id in form
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// 0xDDDDCCCC where D is reader type and C is channel number
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//
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.ReaderType << 16l |
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SmartcardExtension->ReaderCapabilities.Channel
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);
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break;
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case SCARD_ATTR_CHARACTERISTICS:
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// Return mechanical characteristics of the reader
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.MechProperties
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)
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break;
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case SCARD_ATTR_CURRENT_PROTOCOL_TYPE:
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// Return the currently selected protocol
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(
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SmartcardExtension->CardCapabilities.Protocol.Selected
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);
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break;
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case SCARD_ATTR_CURRENT_CLK:
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//
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// Return the current ICC clock freq. encoded as little
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// endian integer value (3.58 MHZ is 3580)
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//
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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if(SmartcardExtension->CardCapabilities.PtsData.CLKFrequency) {
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ReturnULong(SmartcardExtension->CardCapabilities.PtsData.CLKFrequency);
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} else {
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ReturnULong(SmartcardExtension->ReaderCapabilities.CLKFrequency.Default);
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}
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break;
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case SCARD_ATTR_CURRENT_F:
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// Return the current F value encoded as little endian integer
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ASSERT(SmartcardExtension->CardCapabilities.Fl <
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DIM(ClockRateConversion));
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ReturnULong(
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SmartcardExtension->CardCapabilities.ClockRateConversion[
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SmartcardExtension->CardCapabilities.Fl
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].F
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);
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break;
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case SCARD_ATTR_CURRENT_D:
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//
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// Return the current D value encoded as little endian integer
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// in units of 1/64. So return 1 if D is 1/64.
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//
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ASSERT(
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SmartcardExtension->CardCapabilities.Dl <
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DIM(BitRateAdjustment)
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);
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ASSERT(
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SmartcardExtension->CardCapabilities.BitRateAdjustment[
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SmartcardExtension->CardCapabilities.Dl
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].DDivisor != 0
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);
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//
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// Check the current value of Dl.
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// It should definitely not be greater than the array bounds
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// and the value in the array is not allowed to be zero
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//
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if (SmartcardExtension->CardCapabilities.Dl >=
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DIM(BitRateAdjustment) ||
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SmartcardExtension->CardCapabilities.BitRateAdjustment[
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SmartcardExtension->CardCapabilities.Dl
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].DDivisor == 0) {
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status = STATUS_UNRECOGNIZED_MEDIA;
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break;
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}
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ReturnULong(
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SmartcardExtension->CardCapabilities.BitRateAdjustment[
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SmartcardExtension->CardCapabilities.Dl
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].DNumerator /
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SmartcardExtension->CardCapabilities.BitRateAdjustment[
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SmartcardExtension->CardCapabilities.Dl
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].DDivisor
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);
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break;
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case SCARD_ATTR_CURRENT_W:
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// Return the work waiting time (integer) for T=0
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(SmartcardExtension->CardCapabilities.T0.WI);
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break;
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case SCARD_ATTR_CURRENT_N:
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// Return extra guard time
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(SmartcardExtension->CardCapabilities.N);
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break;
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case SCARD_ATTR_CURRENT_IFSC:
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// Return the current information field size card
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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if (SmartcardExtension->T1.IFSC) {
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ReturnULong(SmartcardExtension->T1.IFSC);
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} else {
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ReturnULong(SmartcardExtension->CardCapabilities.T1.IFSC);
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}
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break;
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case SCARD_ATTR_CURRENT_IFSD:
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// Return the current information field size card
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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if (SmartcardExtension->T1.IFSD) {
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ReturnULong(SmartcardExtension->T1.IFSD);
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} else {
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ReturnULong(SmartcardExtension->ReaderCapabilities.MaxIFSD);
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}
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break;
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case SCARD_ATTR_CURRENT_BWT:
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// Return the current block waiting time for T=1
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(SmartcardExtension->CardCapabilities.T1.BWI);
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break;
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case SCARD_ATTR_CURRENT_CWT:
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// Return the current character waiting time for T=1
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(SmartcardExtension->CardCapabilities.T1.CWI);
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break;
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case SCARD_ATTR_CURRENT_EBC_ENCODING:
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// Return the current error checking method
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnULong(SmartcardExtension->CardCapabilities.T1.EDC);
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break;
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case SCARD_ATTR_DEFAULT_CLK:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.CLKFrequency.Default
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);
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break;
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case SCARD_ATTR_MAX_CLK:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.CLKFrequency.Max
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);
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break;
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case SCARD_ATTR_DEFAULT_DATA_RATE:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.DataRate.Default
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);
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break;
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case SCARD_ATTR_MAX_DATA_RATE:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.DataRate.Max
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);
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break;
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case SCARD_ATTR_ATR_STRING:
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// Return ATR of currently inserted card
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CheckUserBuffer(MAXIMUM_ATR_LENGTH);
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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RtlCopyMemory(
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SmartcardExtension->IoRequest.ReplyBuffer,
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SmartcardExtension->CardCapabilities.ATR.Buffer,
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SmartcardExtension->CardCapabilities.ATR.Length
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);
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*SmartcardExtension->IoRequest.Information =
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SmartcardExtension->CardCapabilities.ATR.Length;
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break;
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case SCARD_ATTR_ICC_TYPE_PER_ATR:
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//
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// Return ICC type, based on ATR.
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// We currently support only T=0 and T=1, so return
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// 1 for those protocols otherwise 0 (unknown ICC type)
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//
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CheckMinCardStatus(SCARD_NEGOTIABLE);
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ReturnUChar(
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((SmartcardExtension->CardCapabilities.Protocol.Selected &
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(SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)) ? 1 : 0)
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);
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break;
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case SCARD_ATTR_ICC_PRESENCE:
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// Return the status of the card
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AccessUnsafeData(&Irql);
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switch (SmartcardExtension->ReaderCapabilities.CurrentState) {
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case SCARD_UNKNOWN:
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status = STATUS_INVALID_DEVICE_STATE;
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break;
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case SCARD_ABSENT:
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ReturnUChar(0);
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break;
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case SCARD_PRESENT:
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ReturnUChar(1);
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break;
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default:
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ReturnUChar(2);
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break;
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}
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EndAccessUnsafeData(Irql);
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break;
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case SCARD_ATTR_ICC_INTERFACE_STATUS:
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// Return if card contacts are active
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ReturnUChar(
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(SmartcardExtension->ReaderCapabilities.CurrentState >=
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SCARD_SWALLOWED ? (UCHAR) -1 : 0)
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);
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break;
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case SCARD_ATTR_PROTOCOL_TYPES:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.SupportedProtocols
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);
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break;
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case SCARD_ATTR_MAX_IFSD:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.MaxIFSD
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);
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break;
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case SCARD_ATTR_POWER_MGMT_SUPPORT:
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ReturnULong(
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SmartcardExtension->ReaderCapabilities.PowerMgmtSupport
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);
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break;
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default:
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status = STATUS_NOT_SUPPORTED;
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break;
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}
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break;
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case IOCTL_SMARTCARD_SET_ATTRIBUTE:
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switch (SmartcardExtension->MinorIoControlCode) {
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case SCARD_ATTR_SUPRESS_T1_IFS_REQUEST:
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//
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// The card does not support ifs request, so
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// we turn off ifs negotiation
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//
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SmartcardExtension->T1.State = T1_START;
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break;
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default:
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status = STATUS_NOT_SUPPORTED;
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break;
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}
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break;
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#if defined(DEBUG) && defined(SMCLIB_NT)
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case IOCTL_SMARTCARD_GET_PERF_CNTR:
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switch (SmartcardExtension->MinorIoControlCode) {
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case SCARD_PERF_NUM_TRANSMISSIONS:
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ReturnULong(SmartcardExtension->PerfInfo->NumTransmissions);
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break;
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case SCARD_PERF_BYTES_TRANSMITTED:
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ReturnULong(
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SmartcardExtension->PerfInfo->BytesSent +
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SmartcardExtension->PerfInfo->BytesReceived
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);
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break;
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case SCARD_PERF_TRANSMISSION_TIME:
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ReturnULong(
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(ULONG) (SmartcardExtension->PerfInfo->IoTickCount.QuadPart *
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KeQueryTimeIncrement() /
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10)
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);
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break;
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}
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break;
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#endif
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case IOCTL_SMARTCARD_CONFISCATE:
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if (SmartcardExtension->ReaderFunction[RDF_CARD_CONFISCATE] == NULL) {
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status = STATUS_NOT_SUPPORTED;
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break;
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}
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status = SmartcardExtension->ReaderFunction[RDF_CARD_CONFISCATE](
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SmartcardExtension
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);
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break;
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case IOCTL_SMARTCARD_EJECT:
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if (SmartcardExtension->ReaderFunction[RDF_CARD_EJECT] == NULL) {
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status = STATUS_NOT_SUPPORTED;
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break;
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}
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status = SmartcardExtension->ReaderFunction[RDF_CARD_EJECT](
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SmartcardExtension
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);
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break;
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#ifdef SMCLIB_VXD
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case IOCTL_SMARTCARD_GET_LAST_ERROR:
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//
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// Return error of the last overlapped operation
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// Used for Windows VxD's that can't return the
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// error code within IoComplete like NT can
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//
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ReturnULong(SmartcardExtension->LastError);
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break;
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#endif
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case IOCTL_SMARTCARD_GET_STATE:
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// Return current state of the smartcard
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CheckUserBuffer(sizeof(ULONG));
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AccessUnsafeData(&Irql);
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*(PULONG) SmartcardExtension->IoRequest.ReplyBuffer =
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SmartcardExtension->ReaderCapabilities.CurrentState;
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*SmartcardExtension->IoRequest.Information =
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sizeof(ULONG);
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EndAccessUnsafeData(Irql);
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break;
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case IOCTL_SMARTCARD_POWER:
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if (SmartcardExtension->ReaderFunction[RDF_CARD_POWER] == NULL) {
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status = STATUS_NOT_SUPPORTED;
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break;
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}
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// Check if a card is present
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if (SmartcardExtension->ReaderCapabilities.CurrentState <=
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SCARD_ABSENT) {
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status = STATUS_INVALID_DEVICE_STATE;
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break;
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}
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// Initialize the card capabilities struct
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SmartcardInitializeCardCapabilities(
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SmartcardExtension
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);
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|
|
switch (SmartcardExtension->MinorIoControlCode) {
|
|
|
|
case SCARD_COLD_RESET:
|
|
case SCARD_WARM_RESET:
|
|
CheckUserBuffer(MAXIMUM_ATR_LENGTH);
|
|
|
|
case SCARD_POWER_DOWN:
|
|
|
|
status = SmartcardExtension->ReaderFunction[RDF_CARD_POWER](
|
|
SmartcardExtension
|
|
);
|
|
break;
|
|
|
|
default:
|
|
status = STATUS_INVALID_DEVICE_REQUEST;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case IOCTL_SMARTCARD_SET_PROTOCOL:
|
|
//
|
|
// Since we return the selected protocol, the return buffer
|
|
// must be large enough to hold the result
|
|
//
|
|
CheckUserBuffer(sizeof(ULONG));
|
|
|
|
// Set the protocol to be used with the current card
|
|
if (SmartcardExtension->ReaderFunction[RDF_SET_PROTOCOL] == NULL) {
|
|
|
|
status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
|
|
// Check if we're already in specific state
|
|
if (SmartcardExtension->ReaderCapabilities.CurrentState == SCARD_SPECIFIC &&
|
|
(SmartcardExtension->CardCapabilities.Protocol.Selected &
|
|
SmartcardExtension->MinorIoControlCode)) {
|
|
|
|
status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
|
|
// Check if a card is present and not already in specific mode
|
|
if (SmartcardExtension->ReaderCapabilities.CurrentState <=
|
|
SCARD_ABSENT) {
|
|
|
|
status = STATUS_INVALID_DEVICE_STATE;
|
|
break;
|
|
}
|
|
|
|
// We only check the ATR when the user selects T=0 or T=1
|
|
if (SmartcardExtension->MinorIoControlCode & (SCARD_PROTOCOL_Tx)) {
|
|
|
|
if (SmartcardExtension->MinorIoControlCode & SCARD_PROTOCOL_DEFAULT) {
|
|
|
|
// Select default PTS values
|
|
SmartcardExtension->CardCapabilities.PtsData.Type = PTS_TYPE_DEFAULT;
|
|
|
|
} else {
|
|
|
|
// Select best possible PTS data
|
|
SmartcardExtension->CardCapabilities.PtsData.Type = PTS_TYPE_OPTIMAL;
|
|
}
|
|
|
|
// Evaluate ATR
|
|
status = SmartcardUpdateCardCapabilities(SmartcardExtension);
|
|
|
|
} else {
|
|
|
|
// caller doesn't want neither T=0 nor T=1 -> force callback
|
|
status = STATUS_UNRECOGNIZED_MEDIA;
|
|
}
|
|
|
|
if (status == STATUS_UNRECOGNIZED_MEDIA &&
|
|
SmartcardExtension->ReaderFunction[RDF_ATR_PARSE] != NULL) {
|
|
|
|
// let the driver evaluate the ATR, since we don't know it
|
|
status = SmartcardExtension->ReaderFunction[RDF_ATR_PARSE](
|
|
SmartcardExtension
|
|
);
|
|
}
|
|
|
|
if (status != STATUS_SUCCESS) {
|
|
|
|
// Evaluation of the ATR failed It doesn't make sense to continue
|
|
break;
|
|
}
|
|
|
|
// Check if card is now in the right status
|
|
if (SmartcardExtension->ReaderCapabilities.CurrentState <
|
|
SCARD_NEGOTIABLE) {
|
|
|
|
status = STATUS_INVALID_DEVICE_STATE;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Check if the user tries to select a protocol that
|
|
// the card doesn't support
|
|
//
|
|
if ((SmartcardExtension->CardCapabilities.Protocol.Supported &
|
|
SmartcardExtension->MinorIoControlCode) == 0) {
|
|
|
|
//
|
|
// Since the card does not support the request protocol
|
|
// we need to set back any automatic seletions done by
|
|
// SmartcardUpdateCardCapabilities()
|
|
//
|
|
SmartcardExtension->ReaderCapabilities.CurrentState = SCARD_NEGOTIABLE;
|
|
SmartcardExtension->CardCapabilities.Protocol.Selected = 0;
|
|
|
|
status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
|
|
status = SmartcardExtension->ReaderFunction[RDF_SET_PROTOCOL](
|
|
SmartcardExtension
|
|
);
|
|
break;
|
|
|
|
case IOCTL_SMARTCARD_TRANSMIT:
|
|
if (SmartcardExtension->ReaderFunction[RDF_TRANSMIT] == NULL) {
|
|
|
|
status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Check if card is in the right status
|
|
//
|
|
if (SmartcardExtension->ReaderCapabilities.CurrentState !=
|
|
SCARD_SPECIFIC) {
|
|
|
|
status = STATUS_INVALID_DEVICE_STATE;
|
|
break;
|
|
}
|
|
|
|
if (SmartcardExtension->IoRequest.RequestBufferLength <
|
|
sizeof(SCARD_IO_REQUEST)) {
|
|
|
|
status = STATUS_INVALID_PARAMETER;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Check if the requested io-protocol matches
|
|
// the prev. seleced protocol
|
|
//
|
|
scardIoRequest = (PSCARD_IO_REQUEST)
|
|
SmartcardExtension->IoRequest.RequestBuffer;
|
|
|
|
if (scardIoRequest->dwProtocol !=
|
|
SmartcardExtension->CardCapabilities.Protocol.Selected) {
|
|
|
|
status = STATUS_INVALID_DEVICE_STATE;
|
|
break;
|
|
}
|
|
|
|
SmartcardExtension->SmartcardRequest.BufferLength = 0;
|
|
|
|
#if defined(DEBUG) && defined(SMCLIB_NT)
|
|
|
|
SmartcardExtension->PerfInfo->NumTransmissions += 1;
|
|
if (SmartcardExtension->IoRequest.RequestBufferLength >=
|
|
sizeof(SCARD_IO_REQUEST)) {
|
|
|
|
bytesTransferred =
|
|
SmartcardExtension->IoRequest.RequestBufferLength -
|
|
sizeof(SCARD_IO_REQUEST);
|
|
|
|
SmartcardExtension->PerfInfo->BytesSent +=
|
|
bytesTransferred;
|
|
}
|
|
KeQueryTickCount(&SmartcardExtension->PerfInfo->TickStart);
|
|
#endif
|
|
status = SmartcardExtension->ReaderFunction[RDF_TRANSMIT](
|
|
SmartcardExtension
|
|
);
|
|
|
|
#if defined(DEBUG) && defined(SMCLIB_NT)
|
|
|
|
KeQueryTickCount(&SmartcardExtension->PerfInfo->TickEnd);
|
|
|
|
if (*SmartcardExtension->IoRequest.Information >=
|
|
sizeof(SCARD_IO_REQUEST)) {
|
|
|
|
SmartcardExtension->PerfInfo->BytesReceived +=
|
|
*SmartcardExtension->IoRequest.Information -
|
|
sizeof(SCARD_IO_REQUEST);
|
|
|
|
bytesTransferred +=
|
|
*SmartcardExtension->IoRequest.Information -
|
|
sizeof(SCARD_IO_REQUEST);
|
|
}
|
|
|
|
SmartcardExtension->PerfInfo->IoTickCount.QuadPart +=
|
|
SmartcardExtension->PerfInfo->TickEnd.QuadPart -
|
|
SmartcardExtension->PerfInfo->TickStart.QuadPart;
|
|
|
|
if (FALSE) {
|
|
|
|
ULONG timeInMilliSec = (ULONG)
|
|
((SmartcardExtension->PerfInfo->TickEnd.QuadPart -
|
|
SmartcardExtension->PerfInfo->TickStart.QuadPart) *
|
|
KeQueryTimeIncrement() /
|
|
10000);
|
|
|
|
// check for a transferrate of < 400 bps
|
|
if (status == STATUS_SUCCESS &&
|
|
timeInMilliSec > 0 &&
|
|
bytesTransferred * 5 < timeInMilliSec * 2) {
|
|
|
|
SmartcardDebug(
|
|
DEBUG_PERF,
|
|
("%s!SmartcardDeviceControl: Datarate for reader %*s was %3ld Baud (%3ld)\n",
|
|
DRIVER_NAME,
|
|
SmartcardExtension->VendorAttr.VendorName.Length,
|
|
SmartcardExtension->VendorAttr.VendorName.Buffer,
|
|
bytesTransferred * 1000 / timeInMilliSec,
|
|
bytesTransferred)
|
|
);
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case IOCTL_SMARTCARD_SWALLOW:
|
|
if (SmartcardExtension->ReaderFunction[RDF_READER_SWALLOW] == NULL) {
|
|
|
|
status = STATUS_NOT_SUPPORTED;
|
|
break;
|
|
}
|
|
status = SmartcardExtension->ReaderFunction[RDF_READER_SWALLOW](
|
|
SmartcardExtension
|
|
);
|
|
break;
|
|
|
|
#if DEBUG
|
|
case IOCTL_SMARTCARD_DEBUG:
|
|
//
|
|
// Toggle debug bit
|
|
//
|
|
CurrentDebugLevel =
|
|
SmartcardGetDebugLevel();
|
|
|
|
SmartcardSetDebugLevel(
|
|
SmartcardExtension->MinorIoControlCode ^ CurrentDebugLevel
|
|
);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
//
|
|
// check if the bit for a vendor ioctl is set and if the driver
|
|
// has registered a callback function
|
|
//
|
|
if ((SmartcardExtension->MajorIoControlCode & CTL_CODE(0, 2048, 0, 0)) == 0 ||
|
|
SmartcardExtension->ReaderFunction[RDF_IOCTL_VENDOR] == NULL) {
|
|
|
|
status = STATUS_INVALID_DEVICE_REQUEST;
|
|
|
|
} else {
|
|
|
|
//
|
|
// Call the driver if it has registered a callback for vendor calls
|
|
//
|
|
status = SmartcardExtension->ReaderFunction[RDF_IOCTL_VENDOR](
|
|
SmartcardExtension
|
|
);
|
|
}
|
|
break;
|
|
|
|
} // end switch
|
|
|
|
return status;
|
|
}
|
|
|