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1034 lines
24 KiB
1034 lines
24 KiB
/*++
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Copyright (c) 1997 - 1999 SCM Microsystems, Inc.
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Module Name:
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PscrCmd.c
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Abstract:
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Basic command functions for SCM PSCR smartcard reader
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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 delay for read/write removed
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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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NTSTATUS
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CmdResetInterface(
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PREADER_EXTENSION ReaderExtension
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)
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/*++
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CmdResetInterface:
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Performs a reset of the reader interface (NOT of the PCMCIA controller)
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- flush available data
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- set RESET bit
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- perform a buffer size exchange between reader & host
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- enables interrupts for freeze events
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- disables default PTS
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Arguments:
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ReaderExtension context of call
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Return Value:
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STATUS_SUCCESS
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STATUS_IO_DEVICE_ERROR
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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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UCHAR Len,
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Tag,
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Cnt,
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InData[ TLV_BUFFER_SIZE ];
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PPSCR_REGISTERS IOBase;
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UCHAR EnableInterrupts[] = { 0x28, 0x01, 0x01 };
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IOBase = ReaderExtension->IOBase;
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// discard any data
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PscrFlushInterface( ReaderExtension );
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// reset reader
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, PSCR_RESET_BIT );
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SysDelay( DELAY_WRITE_PSCR_REG );
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, CLEAR_BIT );
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NTStatus = PscrWait( ReaderExtension, PSCR_DATA_AVAIL_BIT );
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// read & check vendor string
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if( NT_SUCCESS( NTStatus ))
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{
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, PSCR_HOST_CONTROL_BIT );
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SysDelay( DELAY_WRITE_PSCR_REG );
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//
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// get actual len from TLV list
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//
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READ_PORT_UCHAR( &IOBase->SizeMSReg );
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READ_PORT_UCHAR( &IOBase->SizeLSReg );
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Tag = READ_PORT_UCHAR( &IOBase->DataReg );
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Len = READ_PORT_UCHAR( &IOBase->DataReg );
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//
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// avoid overwrite of buffer
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//
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if( Len > TLV_BUFFER_SIZE )
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{
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Len = TLV_BUFFER_SIZE;
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}
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for ( Cnt = 0; Cnt < Len; Cnt++ )
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{
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InData[ Cnt ] = READ_PORT_UCHAR( &IOBase->DataReg );
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}
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, CLEAR_BIT );
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//
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// check vendor string
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//
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if( SysCompareMemory(
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InData,
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PSCR_ID_STRING,
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sizeof( PSCR_ID_STRING )
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))
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{
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NTStatus = STATUS_IO_DEVICE_ERROR;
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}
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else
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{
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//
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// vendor string was correct, check buffer size
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//
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, PSCR_SIZE_READ_BIT );
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NTStatus = PscrWait( ReaderExtension, PSCR_DATA_AVAIL_BIT );
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//
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// reader ready to transfer interface buffer size
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//
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if( NT_SUCCESS( NTStatus ))
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{
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//
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// set size read & host control
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//
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WRITE_PORT_UCHAR(
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&IOBase->CmdStatusReg,
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PSCR_SIZE_READ_BIT | PSCR_HOST_CONTROL_BIT
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);
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SysDelay( DELAY_WRITE_PSCR_REG );
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//
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// read buffer length
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//
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Len = READ_PORT_UCHAR( &IOBase->SizeMSReg );
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Len = READ_PORT_UCHAR( &IOBase->SizeLSReg );
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for ( Cnt = 0; Cnt < Len; Cnt++ )
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{
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InData[ Cnt ] = READ_PORT_UCHAR( &IOBase->DataReg );
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}
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//
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// transfer of interface buffer size okay
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//
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, CLEAR_BIT );
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SysDelay( DELAY_WRITE_PSCR_REG );
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//
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// notify the reader about the supported buffer size
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//
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, PSCR_HOST_CONTROL_BIT );
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SysDelay( DELAY_WRITE_PSCR_REG );
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WRITE_PORT_UCHAR( &IOBase->SizeMSReg, 0 );
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WRITE_PORT_UCHAR( &IOBase->SizeLSReg, 2 );
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//
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// Write the same data buffer size as the one we just got.
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//
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WRITE_PORT_UCHAR( &IOBase->DataReg, InData[ 0 ] );
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WRITE_PORT_UCHAR( &IOBase->DataReg, InData[ 1 ] );
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//
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// store the size to report to the lib
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// The maximum buffer size of the reader is to betrieved with
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// ((ULONG)InData[ 1 ] << 8) | InData[ 0 ]
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//
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ReaderExtension->MaxIFSD = 254;
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//
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// let the reader process the size write command
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//
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, PSCR_SIZE_WRITE_BIT );
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NTStatus = PscrWait( ReaderExtension, PSCR_FREE_BIT );
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}
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}
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}
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//
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// clean up any host control settings
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//
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WRITE_PORT_UCHAR( &IOBase->CmdStatusReg, CLEAR_BIT );
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//
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// enable interrupts
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//
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CmdSetInterfaceParameter(
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ReaderExtension,
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ReaderExtension->Device,
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EnableInterrupts,
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sizeof( EnableInterrupts )
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);
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return ( NTStatus );
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}
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NTSTATUS
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CmdReset(
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PREADER_EXTENSION ReaderExtension,
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UCHAR Device,
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BOOLEAN WarmReset,
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PUCHAR pATR,
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PULONG pATRLength
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)
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/*++
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CmdReset:
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performs a reset of the reader / ICC
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Arguments:
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ReaderExtension context of call
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Device device requested ( ICC_1, ICC_2, PSCR )
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WarmReset kind of ICC reset
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pATR ptr to ATR buffer, NULL if no ATR required
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pATRLength size of ATR buffer / length of ATR
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Return Value:
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STATUS_SUCCESS
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STATUS_NO_MEDIA
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STATUS_UNRECOGNIZED_MEDIA
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error values from PscrRead / PscrWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR IOData[ MAX_T1_BLOCK_SIZE ],
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P2;
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USHORT ICCStatus;
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ULONG IOBytes;
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// ATR from the smartcard requestet? P2 = 1
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P2 = 0;
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if(( pATR != NULL ) && ( pATRLength != NULL ))
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{
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if( *pATRLength > 0 )
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P2 = 0x01;
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}
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// build the RESET command.
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IOData[ PSCR_NAD ] = NAD_TO_PSCR;
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IOData[ PSCR_PCB ] = PCB_DEFAULT;
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IOData[ PSCR_LEN ] = 0x05;
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if( WarmReset == TRUE )
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{
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IOData[ PSCR_INF+0 ] = CLA_WARM_RESET;
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IOData[ PSCR_INF+1 ] = INS_WARM_RESET;
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}
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else
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{
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IOData[ PSCR_INF+0 ] = CLA_RESET;
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IOData[ PSCR_INF+1 ] = INS_RESET;
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}
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IOData[ PSCR_INF+2 ] = Device;
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IOData[ PSCR_INF+3 ] = P2;
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IOData[ PSCR_INF+4 ] = 0x00;
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// write command
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NTStatus = PscrWrite(
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ReaderExtension,
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IOData,
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8,
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&IOBytes
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);
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if( NT_SUCCESS( NTStatus ))
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{
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// read data
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IOBytes = 0;
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NTStatus = PscrRead(
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ReaderExtension,
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IOData,
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MAX_T1_BLOCK_SIZE,
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&IOBytes
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);
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// error detection
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if( NT_SUCCESS( NTStatus ))
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{
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//
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// the location of the error code in the buffer
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// is: ( data ) - STATUS_MSB - STATUS_LSB - EPILOGUE
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//
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ICCStatus = (( USHORT )IOData[ IOBytes-PSCR_EPILOGUE_LENGTH-2 ]) << 8;
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ICCStatus |= ( USHORT )IOData[ IOBytes-PSCR_EPILOGUE_LENGTH-1 ];
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switch( ICCStatus )
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{
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case PSCR_SW_SYNC_ATR_SUCCESS:
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case PSCR_SW_ASYNC_ATR_SUCCESS:
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break;
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case PSCR_SW_NO_ICC:
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NTStatus = STATUS_NO_MEDIA;
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break;
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case PSCR_SW_NO_PROTOCOL:
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case PSCR_SW_NO_ATR:
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case PSCR_SW_NO_ATR_OR_PROTOCOL:
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case PSCR_SW_NO_ATR_OR_PROTOCOL2:
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case PSCR_SW_ICC_NOT_ACTIVE:
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case PSCR_SW_NON_SUPPORTED_PROTOCOL:
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case PSCR_SW_PROTOCOL_ERROR:
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default:
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NTStatus = STATUS_UNRECOGNIZED_MEDIA;
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}
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//
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// copy ATR if required
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//
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if( NT_SUCCESS( NTStatus ))
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{
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if( P2 == 0x01 )
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{
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IOBytes -= PSCR_PROLOGUE_LENGTH + PSCR_EPILOGUE_LENGTH;
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if( IOBytes > *pATRLength )
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{
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IOBytes = *pATRLength;
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}
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SysCopyMemory(
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pATR,
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&IOData[ PSCR_PROLOGUE_LENGTH ],
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IOBytes
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);
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*pATRLength = IOBytes;
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}
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}
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}
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}
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return( NTStatus );
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}
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NTSTATUS
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CmdDeactivate(
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PREADER_EXTENSION ReaderExtension,
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UCHAR Device
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)
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/*++
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CmdDeactivate:
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Deactivates the requested device
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Arguments:
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ReaderExtension context of call
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Device requested device
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Return Value:
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STATUS_SUCCESS
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error values from PscrRead / PscrWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
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ULONG IOBytes;
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//
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// build the DEACTIVATE command.
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//
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IOData[ PSCR_NAD ] = NAD_TO_PSCR;
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IOData[ PSCR_PCB ] = PCB_DEFAULT;
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IOData[ PSCR_LEN ] = 0x05;
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IOData[ PSCR_INF+0 ] = CLA_DEACTIVATE;
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IOData[ PSCR_INF+1 ] = INS_DEACTIVATE;
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IOData[ PSCR_INF+2 ] = Device;
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IOData[ PSCR_INF+3 ] = 0x00;
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IOData[ PSCR_INF+4 ] = 0x00;
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//
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// write command
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//
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NTStatus = PscrWrite(
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ReaderExtension,
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IOData,
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8,
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&IOBytes
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);
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if( NT_SUCCESS( NTStatus ))
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{
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//
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// read data to trap communication errors
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//
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IOBytes = 0;
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NTStatus = PscrRead(
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ReaderExtension,
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IOData,
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MAX_T1_BLOCK_SIZE,
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&IOBytes
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);
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}
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return( NTStatus );
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}
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NTSTATUS
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CmdReadBinary(
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PREADER_EXTENSION ReaderExtension,
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USHORT Offset,
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PUCHAR pBuffer,
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PULONG pBufferLength
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)
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/*++
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CmdReadBinary:
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read binary data from an PSCR data file
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Arguments:
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ReaderExtension context of call
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Offset offset in file
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pBuffer ptr to data buffer
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pBufferLength length of buffer / number of bytes read
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Return Value:
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STATUS_SUCCESS
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STATUS_UNSUCCESSFUL
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error values from PscrRead / PscrWrite
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
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USHORT ICCStatus;
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ULONG IOBytes;
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//
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// check parameters
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//
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if(( pBuffer == NULL ) || ( pBufferLength == NULL))
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{
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NTStatus = STATUS_INVALID_PARAMETER;
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}
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else
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{
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//
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// build the READ BINARY command
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//
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IOData[ PSCR_NAD] = NAD_TO_PSCR;
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IOData[ PSCR_PCB] = PCB_DEFAULT;
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IOData[ PSCR_LEN] = 0x05;
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IOData[ PSCR_INF+0 ] = CLA_READ_BINARY;
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IOData[ PSCR_INF+1 ] = INS_READ_BINARY;
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IOData[ PSCR_INF+2 ] = HIBYTE( Offset );
|
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IOData[ PSCR_INF+3 ] = LOBYTE( Offset );
|
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IOData[ PSCR_INF+4 ] = 0x00;
|
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//
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// write command
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//
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NTStatus = PscrWrite(
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ReaderExtension,
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IOData,
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8,
|
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&IOBytes
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);
|
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if( NT_SUCCESS( NTStatus ))
|
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{
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//
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// read data
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//
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IOBytes = 0;
|
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NTStatus = PscrRead(
|
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ReaderExtension,
|
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IOData,
|
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MAX_T1_BLOCK_SIZE,
|
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&IOBytes
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);
|
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|
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if( NT_SUCCESS( NTStatus ))
|
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{
|
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//
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// error check
|
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//
|
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ICCStatus =
|
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((USHORT)IOData[ IOBytes-2-PSCR_EPILOGUE_LENGTH ]) << 8;
|
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ICCStatus |=
|
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(USHORT)IOData[ IOBytes-1-PSCR_EPILOGUE_LENGTH ];
|
|
|
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switch( ICCStatus )
|
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{
|
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case PSCR_SW_FILE_NO_ACCEPPTED_AUTH:
|
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case PSCR_SW_FILE_NO_ACCESS:
|
|
case PSCR_SW_FILE_BAD_OFFSET:
|
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case PSCR_SW_END_OF_FILE_READ:
|
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NTStatus = STATUS_UNSUCCESSFUL;
|
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break;
|
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default:
|
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break;
|
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}
|
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//
|
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// copy data
|
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//
|
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if( NT_SUCCESS( NTStatus ))
|
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{
|
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if( *pBufferLength <
|
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IOBytes-PSCR_PROLOGUE_LENGTH-PSCR_STATUS_LENGTH )
|
|
{
|
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NTStatus = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
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else
|
|
{
|
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( *pBufferLength ) =
|
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IOBytes-PSCR_PROLOGUE_LENGTH-PSCR_STATUS_LENGTH;
|
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SysCopyMemory(
|
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pBuffer,
|
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&IOData[ PSCR_PROLOGUE_LENGTH ],
|
|
*pBufferLength
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
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return( NTStatus );
|
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}
|
|
|
|
NTSTATUS
|
|
CmdSelectFile(
|
|
PREADER_EXTENSION ReaderExtension,
|
|
USHORT FileId
|
|
)
|
|
/*++
|
|
CmdSelectFile:
|
|
selects a file/directoy of the reader
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
FileId ID of file
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
STATUS_UNSUCCESSFUL
|
|
error values from PscrRead / PscrWrite
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
|
|
USHORT ICCStatus;
|
|
ULONG IOBytes;
|
|
|
|
//
|
|
// build the SELECT FILE command
|
|
//
|
|
IOData[ PSCR_NAD ] = NAD_TO_PSCR;
|
|
IOData[ PSCR_PCB ] = PCB_DEFAULT;
|
|
IOData[ PSCR_LEN ] = 0x07;
|
|
|
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IOData[ PSCR_INF+0 ] = CLA_SELECT_FILE;
|
|
IOData[ PSCR_INF+1 ] = INS_SELECT_FILE;
|
|
IOData[ PSCR_INF+2 ] = 0x00;
|
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IOData[ PSCR_INF+3 ] = 0x00;
|
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IOData[ PSCR_INF+4 ] = 0x02;
|
|
IOData[ PSCR_INF+5 ] = HIBYTE( FileId );
|
|
IOData[ PSCR_INF+6 ] = LOBYTE( FileId );
|
|
//
|
|
// write command
|
|
//
|
|
NTStatus = PscrWrite(
|
|
ReaderExtension,
|
|
IOData,
|
|
10,
|
|
&IOBytes
|
|
);
|
|
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
//
|
|
// get the response of the reader
|
|
//
|
|
IOBytes = 0;
|
|
NTStatus = PscrRead(
|
|
ReaderExtension,
|
|
IOData,
|
|
MAX_T1_BLOCK_SIZE,
|
|
&IOBytes
|
|
);
|
|
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
//
|
|
// check errors
|
|
//
|
|
ICCStatus =
|
|
((USHORT)IOData[ IOBytes-2-PSCR_EPILOGUE_LENGTH ]) << 8;
|
|
ICCStatus |=
|
|
(USHORT)IOData[ IOBytes-1-PSCR_EPILOGUE_LENGTH ];
|
|
|
|
if( ICCStatus == PSCR_SW_FILE_NOT_FOUND )
|
|
{
|
|
NTStatus = STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
}
|
|
return( NTStatus );
|
|
}
|
|
|
|
NTSTATUS
|
|
CmdSetInterfaceParameter(
|
|
PREADER_EXTENSION ReaderExtension,
|
|
UCHAR Device,
|
|
PUCHAR pTLVList,
|
|
UCHAR TLVListLen
|
|
)
|
|
/*++
|
|
CmdSetInterfaceParameter:
|
|
Sets the interface pareameter of the ICC interface to the values specified
|
|
in the TLV list
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
Device device
|
|
pTLVList ptr to list of tag-len-value's specified by caller
|
|
TLVListLen length of list
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
STATUS_INVALID_PARAMETER
|
|
STATUS_INVALID_DEVICE_STATE
|
|
error values from PscrRead / PscrWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
|
|
USHORT ICCStatus;
|
|
ULONG IOBytes;
|
|
|
|
//
|
|
// check parameter
|
|
//
|
|
if( pTLVList == NULL )
|
|
{
|
|
NTStatus = STATUS_INVALID_PARAMETER;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// build the SET INTERFACE PARAMETER command
|
|
//
|
|
IOData[ PSCR_NAD ] = NAD_TO_PSCR;
|
|
IOData[ PSCR_PCB ] = PCB_DEFAULT;
|
|
IOData[ PSCR_LEN ] = 0x05 + TLVListLen;
|
|
|
|
IOData[ PSCR_INF+0 ] = CLA_SET_INTERFACE_PARAM;
|
|
IOData[ PSCR_INF+1 ] = INS_SET_INTERFACE_PARAM;
|
|
IOData[ PSCR_INF+2 ] = Device;
|
|
IOData[ PSCR_INF+3 ] = 0x00;
|
|
IOData[ PSCR_INF+4 ] = TLVListLen;
|
|
|
|
SysCopyMemory( &IOData[ PSCR_INF+5 ], pTLVList, TLVListLen );
|
|
//
|
|
// write command
|
|
//
|
|
NTStatus = PscrWrite(
|
|
ReaderExtension,
|
|
IOData,
|
|
8 + TLVListLen,
|
|
&IOBytes
|
|
);
|
|
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
|
|
// do an dummy read to catch errors.
|
|
IOBytes = 0;
|
|
NTStatus = PscrRead(
|
|
ReaderExtension,
|
|
IOData,
|
|
MAX_T1_BLOCK_SIZE,
|
|
&IOBytes
|
|
);
|
|
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
|
|
// check error
|
|
ICCStatus =
|
|
((USHORT)IOData[ IOBytes - 2 - PSCR_EPILOGUE_LENGTH ]) << 8;
|
|
ICCStatus |=
|
|
(USHORT)IOData[ IOBytes - 1 - PSCR_EPILOGUE_LENGTH ];
|
|
|
|
if( ICCStatus != 0x9000 )
|
|
{
|
|
NTStatus = STATUS_INVALID_DEVICE_STATE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return( NTStatus );
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
CmdReadStatusFile (
|
|
PREADER_EXTENSION ReaderExtension,
|
|
UCHAR Device,
|
|
PUCHAR pTLVList,
|
|
PULONG pTLVListLen
|
|
)
|
|
/*++
|
|
CmdReadStatusFile:
|
|
read the status file of the requested device from the reader filesystem
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
Device requested device
|
|
pTLVList ptr to list (i.e. the status file)
|
|
pTLVListLen length of buffer / returned list
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
STATUS_BUFFER_TOO_SMALL
|
|
error values from PscrRead / PscrWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_UNSUCCESSFUL;
|
|
UCHAR IOData[ MAX_T1_BLOCK_SIZE ];
|
|
ULONG IOBytes;
|
|
|
|
// select ICC status file if it's not the active file
|
|
if( ReaderExtension->StatusFileSelected == FALSE )
|
|
{
|
|
|
|
// select master file on reader
|
|
NTStatus = CmdSelectFile( ReaderExtension, FILE_MASTER );
|
|
|
|
// select ICC directory
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
if( Device != DEVICE_ICC1 )
|
|
{
|
|
NTStatus = STATUS_UNSUCCESSFUL;
|
|
}
|
|
else
|
|
{
|
|
NTStatus = CmdSelectFile(
|
|
ReaderExtension,
|
|
FILE_ICC1_DIR
|
|
);
|
|
|
|
// select status file
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
NTStatus = CmdSelectFile(
|
|
ReaderExtension,
|
|
FILE_ICC1_DIR_STATUS
|
|
);
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
ReaderExtension->StatusFileSelected = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// read status file if successful selected
|
|
if( ReaderExtension->StatusFileSelected == TRUE )
|
|
{
|
|
IOBytes = MAX_T1_BLOCK_SIZE;
|
|
NTStatus = CmdReadBinary(
|
|
ReaderExtension,
|
|
0,
|
|
IOData,
|
|
&IOBytes
|
|
);
|
|
|
|
// copy data to user buffer
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
if(( pTLVList != NULL ) && ( IOBytes < *pTLVListLen ))
|
|
{
|
|
*pTLVListLen = IOBytes;
|
|
SysCopyMemory( pTLVList, IOData, IOBytes );
|
|
}
|
|
else
|
|
{
|
|
NTStatus = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
}
|
|
}
|
|
return( NTStatus );
|
|
}
|
|
|
|
|
|
NTSTATUS
|
|
CmdGetFirmwareRevision (
|
|
PREADER_EXTENSION ReaderExtension
|
|
)
|
|
/*++
|
|
CmdGetFirmwareRevision:
|
|
get the firmware revision of the reader. Ther firmware revision is found
|
|
in the PSCR configuration file (ID 0x0020) in the master directory.
|
|
The tag of the revision is 0x0F, and the value is coded as an ASCII string,
|
|
p.E. "2.20"
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
error values from PscrRead / PscrWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR TLVList[ MAX_T1_BLOCK_SIZE ],
|
|
Len;
|
|
char Revision[ 0x10 ],
|
|
UpdateKey[ 0x10 ];
|
|
ULONG IOBytes;
|
|
//
|
|
// select master file on reader
|
|
//
|
|
NTStatus = CmdSelectFile( ReaderExtension, FILE_MASTER );
|
|
//
|
|
// select pscr configuration file
|
|
//
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
NTStatus = CmdSelectFile( ReaderExtension, FILE_PSCR_CONFIG );
|
|
//
|
|
// read confiuration file
|
|
//
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
IOBytes = MAX_T1_BLOCK_SIZE;
|
|
NTStatus = CmdReadBinary(
|
|
ReaderExtension,
|
|
0,
|
|
TLVList,
|
|
&IOBytes
|
|
);
|
|
//
|
|
// get the value of revison
|
|
//
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
CmdGetTagValue(
|
|
TAG_SOFTWARE_REV,
|
|
TLVList,
|
|
IOBytes,
|
|
&Len,
|
|
Revision
|
|
);
|
|
//
|
|
// the coding is always X.YY (in ASCII), so we can get the numeric
|
|
// values hardcoded by taking the low nibbles of the char's.
|
|
//
|
|
ReaderExtension->FirmwareMajor = Revision[0] & 0x0F;
|
|
ReaderExtension->FirmwareMinor = ( Revision[2] & 0x0F ) << 4;
|
|
ReaderExtension->FirmwareMinor |= Revision[3] & 0x0F;
|
|
//
|
|
// get value of update key
|
|
//
|
|
CmdGetTagValue(
|
|
TAG_UPDATE_KEY,
|
|
TLVList,
|
|
IOBytes,
|
|
&Len,
|
|
UpdateKey
|
|
);
|
|
|
|
ReaderExtension->UpdateKey = UpdateKey[0];
|
|
}
|
|
}
|
|
}
|
|
ReaderExtension->StatusFileSelected = FALSE;
|
|
return( NTStatus );
|
|
}
|
|
|
|
NTSTATUS
|
|
CmdPscrCommand (
|
|
PREADER_EXTENSION ReaderExtension,
|
|
PUCHAR pInData,
|
|
ULONG InDataLen,
|
|
PUCHAR pOutData,
|
|
ULONG OutDataLen,
|
|
PULONG pNBytes
|
|
)
|
|
/*++
|
|
CmdPscrCommand:
|
|
send a command transparent to the reader
|
|
|
|
Arguments:
|
|
ReaderExtension context of call
|
|
pInData, ptr to input buffer
|
|
InDataLen, len of input buffer
|
|
pOutData, ptr to output buffer
|
|
OutDataLen, len of output buffer
|
|
pNBytes number of bytes transferred
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
STATUS_INVALID_PARAMETER
|
|
error values from PscrRead / PscrWrite
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
UCHAR IOData[ MAX_T1_BLOCK_SIZE ] = { 0 };
|
|
ULONG IOBytes;
|
|
//
|
|
// the function is used for generic ioctl's, so carful ALL
|
|
// parametes will be checked!
|
|
//
|
|
if( ( pInData == NULL ) ||
|
|
( pOutData == NULL ) ||
|
|
( pNBytes == NULL ) ||
|
|
(InDataLen == 0 ) ||
|
|
(OutDataLen == 0 )
|
|
)
|
|
{
|
|
NTStatus = STATUS_INVALID_PARAMETER;
|
|
}
|
|
else
|
|
{
|
|
IOBytes = 0;
|
|
NTStatus = PscrWriteDirect(
|
|
ReaderExtension,
|
|
pInData,
|
|
InDataLen,
|
|
&IOBytes
|
|
);
|
|
|
|
if( NT_SUCCESS( NTStatus ))
|
|
{
|
|
//
|
|
// get result. ignore all reader errors
|
|
//
|
|
IOBytes = 0;
|
|
NTStatus = PscrRead(
|
|
ReaderExtension,
|
|
IOData,
|
|
MAX_T1_BLOCK_SIZE,
|
|
&IOBytes
|
|
);
|
|
//
|
|
// tranfer data
|
|
//
|
|
if( IOBytes > OutDataLen )
|
|
{
|
|
NTStatus = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
else
|
|
{
|
|
*pNBytes = IOBytes;
|
|
SysCopyMemory( pOutData, IOData, IOBytes );
|
|
}
|
|
}
|
|
}
|
|
return( NTStatus );
|
|
}
|
|
|
|
NTSTATUS
|
|
CmdGetTagValue (
|
|
UCHAR Tag,
|
|
PUCHAR pTLVList,
|
|
ULONG TLVListLen,
|
|
PUCHAR pTagLen,
|
|
PVOID pTagVal
|
|
)
|
|
/*++
|
|
CmdGetTagValue:
|
|
scans a TLV list for the value of a user specified tag
|
|
it is assumed, the caller knows the kind of the requested
|
|
field, so only the ptr to the buffer will be checked
|
|
|
|
Arguments:
|
|
Tag requested Tag
|
|
pTLVList ptr to list
|
|
TLVListLen length of list
|
|
pTagLen ptr to length
|
|
pTagVal ptr to value
|
|
|
|
Return Value:
|
|
STATUS_SUCCESS
|
|
STATUS_UNSUCCESSFUL
|
|
STATUS_INVALID_PARAMETER
|
|
|
|
--*/
|
|
{
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
|
ULONG Idx;
|
|
//
|
|
// step through the given list
|
|
//
|
|
if(( pTLVList != NULL ) && ( pTagVal != NULL ) && ( pTagLen != NULL ))
|
|
{
|
|
//
|
|
// look for requested tag
|
|
//
|
|
Idx = 0;
|
|
while( Idx < TLVListLen )
|
|
{
|
|
if( pTLVList[ Idx ] == Tag )
|
|
{
|
|
//
|
|
// ASSUMED THE CALLER KNOWS KIND OF FIELD!!!
|
|
//
|
|
*pTagLen = pTLVList[ Idx + 1 ];
|
|
SysCopyMemory(
|
|
pTagVal,
|
|
&pTLVList[ Idx+2 ],
|
|
pTLVList[ Idx+1 ]
|
|
);
|
|
|
|
break;
|
|
}
|
|
Idx += pTLVList[ Idx+1 ] + 2;
|
|
}
|
|
if( Idx >= TLVListLen )
|
|
{
|
|
NTStatus = STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
NTStatus = STATUS_INVALID_PARAMETER;
|
|
}
|
|
return( NTStatus );
|
|
}
|
|
|
|
// ------------------------------- END OF FILE -------------------------------
|