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906 lines
28 KiB
906 lines
28 KiB
/*++
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Copyright (c) 1997 - 1999 SCM Microsystems, Inc.
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Module Name:
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PscrCB.c
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Abstract:
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callback handler for PSCR.xxx driver
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Author:
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Andreas Straub
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Environment:
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Win 95 Sys... calls are resolved by Pscr95Wrap.asm functions and
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Pscr95Wrap.h macros, resp.
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NT 4.0 Sys... functions resolved by PscrNTWrap.c functions and
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PscrNTWrap.h macros, resp.
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Revision History:
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Andreas Straub 8/18/1997 1.00 Initial Version
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Andreas Straub 9/24/1997 1.02 Flush Interface if card tracking
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requested
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--*/
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#if defined( SMCLIB_VXD )
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#include <Pscr95.h>
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#else // SMCLIB_VXD
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#include <PscrNT.h>
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#endif // SMCLIB_VXD
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#include <PscrRdWr.h>
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#include <PscrCmd.h>
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#include <PscrCB.h>
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NTSTATUS
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CBCardPower(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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CBCardPower:
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callback handler for SMCLIB RDF_CARD_POWER
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_BUFFER_TOO_SMALL
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR ATRBuffer[ ATR_SIZE ], TLVList[16];
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ULONG Command,
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ATRLength;
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PREADER_EXTENSION ReaderExtension;
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BYTE CardState;
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#if DBG || DEBUG
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static PCHAR request[] = { "PowerDown", "ColdReset", "WarmReset" };
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#endif
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBCardPower: Enter, Request = %s\n",
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request[SmartcardExtension->MinorIoControlCode])
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);
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ReaderExtension = SmartcardExtension->ReaderExtension;
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//
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// update actual power state
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//
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Command = SmartcardExtension->MinorIoControlCode;
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switch ( Command )
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{
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case SCARD_WARM_RESET:
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// if the card was not powerd, fall thru to cold reset
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if( SmartcardExtension->ReaderCapabilities.CurrentState >
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SCARD_SWALLOWED )
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{
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// reset the card
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ATRLength = ATR_SIZE;
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NTStatus = CmdReset(
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ReaderExtension,
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ReaderExtension->Device,
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TRUE, // warm reset
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ATRBuffer,
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&ATRLength
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);
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break;
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}
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// warm reset not possible because card was not powerd
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case SCARD_COLD_RESET:
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// reset the card
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ATRLength = ATR_SIZE;
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NTStatus = CmdReset(
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ReaderExtension,
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ReaderExtension->Device,
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FALSE, // cold reset
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ATRBuffer,
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&ATRLength
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);
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break;
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case SCARD_POWER_DOWN:
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ATRLength = 0;
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NTStatus = CmdDeactivate(
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ReaderExtension,
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ReaderExtension->Device
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);
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// discard old card status
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CardState = CBGetCardState(SmartcardExtension);
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CBUpdateCardState(SmartcardExtension, CardState, FALSE);
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break;
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}
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if (NT_SUCCESS(NTStatus)) {
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//
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// Set the 'restart of work waiting time' counter for T=0
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// This will send a WTX request for n NULL bytes received
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//
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TLVList[0] = TAG_SET_NULL_BYTES;
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TLVList[1] = 1;
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TLVList[2] = 0x05;
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NTStatus = CmdSetInterfaceParameter(
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ReaderExtension,
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DEVICE_READER,
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TLVList,
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3
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);
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}
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ASSERT(NT_SUCCESS(NTStatus));
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// finish the request
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if( NT_SUCCESS( NTStatus ))
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{
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// update all neccessary data if an ATR was received
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if( ATRLength > 2 )
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{
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//
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// the lib expects only the ATR, so we skip the
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// 900x from the reader
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//
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ATRLength -= 2;
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// copy ATR to user buffer buffer
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if( ATRLength <= SmartcardExtension->IoRequest.ReplyBufferLength )
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{
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SysCopyMemory(
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SmartcardExtension->IoRequest.ReplyBuffer,
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ATRBuffer,
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ATRLength
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);
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*SmartcardExtension->IoRequest.Information = ATRLength;
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}
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else
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{
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NTStatus = STATUS_BUFFER_TOO_SMALL;
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}
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// copy ATR to card capability buffer
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if( ATRLength <= MAXIMUM_ATR_LENGTH )
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{
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SysCopyMemory(
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SmartcardExtension->CardCapabilities.ATR.Buffer,
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ATRBuffer,
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ATRLength
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);
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SmartcardExtension->CardCapabilities.ATR.Length =
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( UCHAR )ATRLength;
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// let the lib update the card capabilities
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NTStatus = SmartcardUpdateCardCapabilities(
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SmartcardExtension
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);
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}
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else
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{
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NTStatus = STATUS_BUFFER_TOO_SMALL;
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}
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}
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}
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if( !NT_SUCCESS( NTStatus ))
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{
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switch( NTStatus )
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{
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case STATUS_NO_MEDIA:
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case STATUS_BUFFER_TOO_SMALL:
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break;
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case STATUS_TIMEOUT:
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NTStatus = STATUS_IO_TIMEOUT;
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break;
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default:
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NTStatus = STATUS_UNRECOGNIZED_MEDIA;
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break;
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}
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}
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBCardPower: Exit (%lx)\n", NTStatus )
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);
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return( NTStatus );
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}
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NTSTATUS
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CBSetProtocol(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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CBSetProtocol:
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callback handler for SMCLIB RDF_SET_PROTOCOL
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_BUFFER_TOO_SMALL
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STATUS_INVALID_DEVICE_STATE
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STATUS_INVALID_DEVICE_REQUEST
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--*/
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{
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NTSTATUS NTStatus = STATUS_PENDING;
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USHORT SCLibProtocol;
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UCHAR TLVList[ TLV_BUFFER_SIZE ];
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PREADER_EXTENSION ReaderExtension = SmartcardExtension->ReaderExtension;
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if (SmartcardExtension->ReaderCapabilities.CurrentState == SCARD_SPECIFIC) {
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return STATUS_SUCCESS;
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}
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBSetProtocol: Enter\n" )
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);
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SCLibProtocol = ( USHORT )( SmartcardExtension->MinorIoControlCode );
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if (SCLibProtocol & (SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1))
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{
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//
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// setup the TLV list for the Set Interface Parameter List
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//
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TLVList[ 0 ] = TAG_ICC_PROTOCOLS;
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TLVList[ 1 ] = 0x01;
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TLVList[ 2 ] =
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(SCLibProtocol & SCARD_PROTOCOL_T1 ? PSCR_PROTOCOL_T1 : PSCR_PROTOCOL_T0);
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// do the PTS
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NTStatus = CmdSetInterfaceParameter(
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ReaderExtension,
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ReaderExtension->Device,
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TLVList,
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3 // size of list
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);
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} else {
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// we don't support other modi
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NTStatus = STATUS_INVALID_DEVICE_REQUEST;
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}
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// if protocol selection failed, prevent from calling invalid protocols
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if( NT_SUCCESS( NTStatus ))
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{
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SmartcardExtension->ReaderCapabilities.CurrentState = SCARD_SPECIFIC;
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SCLibProtocol = (SCLibProtocol & SCARD_PROTOCOL_T1 &
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SmartcardExtension->CardCapabilities.Protocol.Supported) ?
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SCARD_PROTOCOL_T1 :
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SCARD_PROTOCOL_T0;
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}
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else
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{
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SCLibProtocol = SCARD_PROTOCOL_UNDEFINED;
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}
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// Return the selected protocol to the caller.
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SmartcardExtension->CardCapabilities.Protocol.Selected = SCLibProtocol;
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*( PULONG )( SmartcardExtension->IoRequest.ReplyBuffer ) = SCLibProtocol;
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*( SmartcardExtension->IoRequest.Information ) = sizeof( ULONG );
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBSetProtocol: Exit (%lx)\n", NTStatus )
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);
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return ( NTStatus );
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}
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NTSTATUS
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CBTransmit(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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CBTransmit:
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callback handler for SMCLIB RDF_TRANSMIT
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_INVALID_DEVICE_REQUEST
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBTransmit: Enter\n" )
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);
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// dispatch on the selected protocol
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switch( SmartcardExtension->CardCapabilities.Protocol.Selected )
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{
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case SCARD_PROTOCOL_T0:
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NTStatus = CBT0Transmit( SmartcardExtension );
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break;
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case SCARD_PROTOCOL_T1:
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NTStatus = CBT1Transmit( SmartcardExtension );
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break;
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case SCARD_PROTOCOL_RAW:
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NTStatus = CBRawTransmit( SmartcardExtension );
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break;
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default:
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NTStatus = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBTransmit: Exit (%lx)\n", NTStatus )
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);
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return( NTStatus );
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}
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NTSTATUS
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CBRawTransmit(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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CBRawTransmit:
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finishes the callback RDF_TRANSMIT for the RAW protocol
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_INVALID_DEVICE_REQUEST
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR TLVList[ TLV_BUFFER_SIZE ],
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Val,
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Len;
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ULONG TLVListLen;
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PREADER_EXTENSION ReaderExtension;
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBRawTransmit: Enter\n" )
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);
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ReaderExtension = SmartcardExtension->ReaderExtension;
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//
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// read the status file of ICC1 from the reader
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//
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TLVListLen = TLV_BUFFER_SIZE;
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NTStatus = CmdReadStatusFile(
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ReaderExtension,
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ReaderExtension->Device,
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TLVList,
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&TLVListLen
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);
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//
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// check the active protocol of the reader
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//
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if( NT_SUCCESS( NTStatus ))
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{
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NTStatus = CmdGetTagValue(
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TAG_ICC_PROTOCOLS,
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TLVList,
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TLVListLen,
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&Len,
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( PVOID ) &Val
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);
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// execute the active protocol
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if( NT_SUCCESS( NTStatus ))
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{
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// translate the actual protocol to a value the lib can understand
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switch( Val )
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{
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case PSCR_PROTOCOL_T0:
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NTStatus = CBT0Transmit( SmartcardExtension );
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break;
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case PSCR_PROTOCOL_T1:
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NTStatus = CBT1Transmit( SmartcardExtension );
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break;
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default:
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NTStatus = STATUS_UNSUCCESSFUL;
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break;
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}
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}
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}
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBRawTransmit: Exit (%lx)\n", NTStatus )
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);
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return ( NTStatus );
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}
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NTSTATUS
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CBT1Transmit(
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PSMARTCARD_EXTENSION SmartcardExtension
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)
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/*++
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CBT1Transmit:
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finishes the callback RDF_TRANSMIT for the T1 protocol
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_INVALID_DEVICE_REQUEST
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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ULONG IOBytes;
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SmartcardDebug(
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DEBUG_TRACE,
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( "PSCR!CBT1Transmit: Enter\n" )
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);
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//
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// use the lib support to construct the T=1 packets
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//
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do {
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//
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// no header for the T=1 protocol
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//
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SmartcardExtension->SmartcardRequest.BufferLength = 0;
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//
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// SCM-TM: Siemens 4440 accepts only NAD=0!!!
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//
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SmartcardExtension->T1.NAD = 0;
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//
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// let the lib setup the T=1 APDU & check for errors
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//
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NTStatus = SmartcardT1Request( SmartcardExtension );
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if( NT_SUCCESS( NTStatus ))
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{
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// send command (don't calculate LRC because CRC may be used!)
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IOBytes = 0;
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NTStatus = PscrWriteDirect(
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SmartcardExtension->ReaderExtension,
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SmartcardExtension->SmartcardRequest.Buffer,
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SmartcardExtension->SmartcardRequest.BufferLength,
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&IOBytes
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);
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//
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// extend the timeout if a Wtx request was sent by the card. if the
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// card responds before the waiting time extension expires, the data are
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// buffered in the reader. A delay without polling the reader status
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// slows down the performance of the driver, but wtx is an exeption,
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// not the rule.
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//
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if (SmartcardExtension->T1.Wtx)
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{
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SysDelay(
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(( SmartcardExtension->T1.Wtx *
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SmartcardExtension->CardCapabilities.T1.BWT + 999L )/
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1000L)
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);
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}
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// get response
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SmartcardExtension->SmartcardReply.BufferLength = 0;
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NTStatus = PscrRead(
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SmartcardExtension->ReaderExtension,
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SmartcardExtension->SmartcardReply.Buffer,
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MAX_T1_BLOCK_SIZE,
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&SmartcardExtension->SmartcardReply.BufferLength
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);
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// if PscrRead detects an LRC error, ignore it (maybe CRC used)
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if( NTStatus == STATUS_CRC_ERROR )
|
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{
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NTStatus = STATUS_SUCCESS;
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}
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//
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// We even continue if the prev. read failed.
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// We let the smart card library continue, because it might
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// send a resynch. request in case of a timeout
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//
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NTStatus = SmartcardT1Reply( SmartcardExtension );
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}
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// continue if the lib wants to send the next packet
|
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} while( NTStatus == STATUS_MORE_PROCESSING_REQUIRED );
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SmartcardDebug(
|
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DEBUG_TRACE,
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( "PSCR!CBT1Transmit: Exit (%lx)\n", NTStatus )
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);
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return ( NTStatus );
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}
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|
|
NTSTATUS
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CBT0Transmit(
|
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PSMARTCARD_EXTENSION SmartcardExtension
|
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)
|
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/*++
|
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|
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CBT0Transmit:
|
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finishes the callback RDF_TRANSMIT for the T0 protocol
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Arguments:
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SmartcardExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_TIMEOUT
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STATUS_INVALID_DEVICE_REQUEST
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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PUCHAR pRequest,pReply;
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ULONG IOBytes, APDULength, RequestLength;
|
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UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
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UCHAR WtxReply[16];
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SmartcardDebug(
|
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DEBUG_TRACE,
|
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( "PSCR!CBT0Transmit: Enter\n" )
|
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);
|
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pRequest = SmartcardExtension->SmartcardRequest.Buffer;
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pReply = SmartcardExtension->SmartcardReply.Buffer;
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|
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// setup the command header
|
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pRequest[ PSCR_NAD ] =
|
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( SmartcardExtension->ReaderExtension->Device == DEVICE_ICC1 ) ?
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NAD_TO_ICC1 : NAD_TO_ICC1;
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pRequest[ PSCR_PCB ] = PCB_DEFAULT;
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//
|
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// get the length of the user data packet & set the appropriate LEN
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// information the complete user packet consists of a SCARD_IO_REQUEST
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// structure followed by the APDU. the length of SCARD_IO_REQUEST is
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// transferred in the member cbPciLength of the structure
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//
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APDULength = SmartcardExtension->IoRequest.RequestBufferLength;
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APDULength -= ((PSCARD_IO_REQUEST) SmartcardExtension->
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IoRequest.RequestBuffer)->cbPciLength;
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//
|
|
// a 4 byte APDU will be patched to a 5 byte TPDU by the lib; see
|
|
// annex of the ISO
|
|
//
|
|
if( APDULength == 4 ) APDULength++;
|
|
//
|
|
// if the total length of the T1 (reader) packet is larger than 0xFF
|
|
// the extended length notation will be used
|
|
//
|
|
if( APDULength >= 0xFF )
|
|
{
|
|
pRequest[ PSCR_LEN ] = 0xFF;
|
|
pRequest[ PSCR_LEN+1 ] = HIBYTE( APDULength );
|
|
pRequest[ PSCR_LEN+2 ] = LOBYTE( APDULength );
|
|
SmartcardExtension->SmartcardRequest.BufferLength =
|
|
PSCR_EXT_PROLOGUE_LENGTH;
|
|
}
|
|
else
|
|
{
|
|
pRequest[ PSCR_LEN ] = ( UCHAR ) APDULength;
|
|
SmartcardExtension->SmartcardRequest.BufferLength =
|
|
PSCR_PROLOGUE_LENGTH;
|
|
}
|
|
|
|
// let the lib setup the T=1 APDU & check for errors
|
|
NTStatus = SmartcardT0Request( SmartcardExtension );
|
|
RequestLength = SmartcardExtension->SmartcardRequest.BufferLength;
|
|
|
|
while( NT_SUCCESS( NTStatus ))
|
|
{
|
|
// send command
|
|
IOBytes = 0;
|
|
NTStatus = PscrWrite(
|
|
SmartcardExtension->ReaderExtension,
|
|
pRequest,
|
|
RequestLength,
|
|
&IOBytes
|
|
);
|
|
|
|
// get response
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
IOBytes = 0;
|
|
NTStatus = PscrRead(
|
|
SmartcardExtension->ReaderExtension,
|
|
IOData,
|
|
MAX_T1_BLOCK_SIZE,
|
|
&IOBytes
|
|
);
|
|
|
|
// extract APDU from T=1 transport packet
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
if (IOData[ PSCR_PCB ] == WTX_REQUEST) {
|
|
|
|
WtxReply[PSCR_NAD] = NAD_TO_PSCR;
|
|
WtxReply[PSCR_PCB] = WTX_REPLY;
|
|
WtxReply[PSCR_LEN] = 1;
|
|
WtxReply[PSCR_INF] = IOData[PSCR_INF];
|
|
|
|
RequestLength = 4;
|
|
pRequest = WtxReply;
|
|
continue;
|
|
}
|
|
|
|
if( IOData[ PSCR_LEN ] == 0xFF )
|
|
{
|
|
//
|
|
// extended length byte used
|
|
//
|
|
APDULength = IOData[ PSCR_LEN + 1 ] << 8;
|
|
APDULength += IOData[ PSCR_LEN + 2 ];
|
|
|
|
SmartcardExtension->SmartcardReply.BufferLength = APDULength ;
|
|
SysCopyMemory( pReply, &IOData[ PSCR_APDU + 2 ], APDULength );
|
|
}
|
|
else
|
|
{
|
|
SmartcardExtension->SmartcardReply.BufferLength =
|
|
IOData[ PSCR_LEN ];
|
|
|
|
SysCopyMemory(
|
|
pReply,
|
|
&IOData[ PSCR_APDU ],
|
|
IOData[ PSCR_LEN ]
|
|
);
|
|
}
|
|
|
|
// let the lib evaluate the result & tansfer the data
|
|
NTStatus = SmartcardT0Reply( SmartcardExtension );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
( "PSCR!CBT0Transmit: Exit (%lx)\n", NTStatus )
|
|
);
|
|
|
|
return( NTStatus );
|
|
}
|
|
|
|
NTSTATUS
|
|
CBCardTracking(
|
|
PSMARTCARD_EXTENSION SmartcardExtension
|
|
)
|
|
/*++
|
|
|
|
CBCardTracking:
|
|
callback handler for SMCLIB RDF_CARD_TRACKING. the requested event was
|
|
validated by the smclib (i.e. a card removal request will only be passed
|
|
if a card is present).
|
|
for a win95 build STATUS_PENDING will be returned without any other action.
|
|
for NT the cancel routine for the irp will be set to the drivers cancel
|
|
routine.
|
|
|
|
Arguments:
|
|
SmartcardExtension context of call
|
|
|
|
Return Value:
|
|
STATUS_PENDING
|
|
|
|
--*/
|
|
{
|
|
KIRQL CancelIrql;
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
( "PSCR!CBCardTracking: Enter\n" )
|
|
);
|
|
|
|
// set cancel routine
|
|
IoAcquireCancelSpinLock( &CancelIrql );
|
|
|
|
IoSetCancelRoutine(
|
|
SmartcardExtension->OsData->NotificationIrp,
|
|
PscrCancel
|
|
);
|
|
|
|
IoReleaseCancelSpinLock( CancelIrql );
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
( "PSCR!CBCardTracking: Exit \n" )
|
|
);
|
|
|
|
return( STATUS_PENDING );
|
|
}
|
|
|
|
VOID
|
|
CBUpdateCardState(
|
|
PSMARTCARD_EXTENSION SmartcardExtension,
|
|
UCHAR IccState,
|
|
BOOLEAN SystemWakeUp
|
|
)
|
|
{
|
|
ULONG oldState;
|
|
KIRQL currentIrql, irql;
|
|
|
|
KeAcquireSpinLock(
|
|
&SmartcardExtension->OsData->SpinLock,
|
|
&irql
|
|
);
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
( "PSCR!CBUpdateCardState: Enter \n" )
|
|
);
|
|
|
|
oldState =
|
|
(SmartcardExtension->ReaderCapabilities.CurrentState > SCARD_ABSENT ?
|
|
SCARD_PRESENT : SCARD_ABSENT);
|
|
|
|
SmartcardExtension->ReaderCapabilities.CurrentState =
|
|
(IccState == PSCR_ICC_PRESENT ? SCARD_PRESENT : SCARD_ABSENT);
|
|
|
|
SmartcardDebug(
|
|
DEBUG_DRIVER,
|
|
( "PSCR!CBUpdateCardState: Smart card %s\n",
|
|
IccState == PSCR_ICC_PRESENT ? "inserted" : "removed")
|
|
);
|
|
|
|
IoAcquireCancelSpinLock( ¤tIrql );
|
|
|
|
if( SmartcardExtension->OsData->NotificationIrp != NULL && (
|
|
SystemWakeUp && (
|
|
oldState == SCARD_PRESENT ||
|
|
SmartcardExtension->ReaderCapabilities.CurrentState == SCARD_PRESENT) ||
|
|
SmartcardExtension->ReaderCapabilities.CurrentState != oldState)) {
|
|
|
|
PIRP notificationIrp = InterlockedExchangePointer(
|
|
&(SmartcardExtension->OsData->NotificationIrp),
|
|
NULL
|
|
);
|
|
|
|
IoSetCancelRoutine(
|
|
notificationIrp,
|
|
NULL
|
|
);
|
|
|
|
IoReleaseCancelSpinLock( currentIrql );
|
|
|
|
if (notificationIrp->Cancel == FALSE) {
|
|
|
|
// finish the request
|
|
notificationIrp->IoStatus.Status = STATUS_SUCCESS;
|
|
notificationIrp->IoStatus.Information = 0;
|
|
|
|
SmartcardDebug(
|
|
DEBUG_DRIVER,
|
|
( "PSCR!CBUpdateCardState: Completing Irp %lx\n",
|
|
notificationIrp)
|
|
);
|
|
|
|
IoCompleteRequest(notificationIrp, IO_NO_INCREMENT );
|
|
}
|
|
|
|
} else {
|
|
|
|
IoReleaseCancelSpinLock( currentIrql );
|
|
}
|
|
|
|
SmartcardDebug(
|
|
DEBUG_TRACE,
|
|
( "PSCR!CBUpdateCardState: Exit \n" )
|
|
);
|
|
|
|
KeReleaseSpinLock(
|
|
&SmartcardExtension->OsData->SpinLock,
|
|
irql
|
|
);
|
|
}
|
|
|
|
UCHAR
|
|
CBGetCardState(
|
|
PSMARTCARD_EXTENSION SmartcardExtension
|
|
)
|
|
/*++
|
|
|
|
CBUpdateCardState:
|
|
updates the variable CurrentState in SmartcardExtension
|
|
|
|
Arguments:
|
|
SmartcardExtension context of call
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR TLVList[ TLV_BUFFER_SIZE ], Val, Len;
|
|
ULONG TLVListLen;
|
|
PREADER_EXTENSION ReaderExtension = SmartcardExtension->ReaderExtension;
|
|
|
|
// read the status file of ICC1 from the reader
|
|
TLVListLen = TLV_BUFFER_SIZE;
|
|
|
|
if( NT_SUCCESS( CmdReadStatusFile(
|
|
ReaderExtension,
|
|
ReaderExtension->Device,
|
|
TLVList,
|
|
&TLVListLen
|
|
))) {
|
|
|
|
// get reader status value
|
|
CmdGetTagValue(
|
|
TAG_READER_STATUS,
|
|
TLVList,
|
|
TLVListLen,
|
|
&Len,
|
|
( PVOID ) &Val
|
|
);
|
|
}
|
|
else
|
|
{
|
|
// IO-error is interpreted as card absent
|
|
Val = PSCR_ICC_ABSENT;
|
|
}
|
|
|
|
return Val;
|
|
}
|
|
|
|
// -------------------------------- END OF FILE ------------------------------
|
|
|
|
|