749 lines
18 KiB
C
749 lines
18 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) SCM Microsystems, 1998 - 1999
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//
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// File: serialnt.c
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//
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//--------------------------------------------------------------------------
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#include "drivernt.h"
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#include "stc.h"
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#include "cbhndlr.h"
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#include "drvnt5.h"
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const ULONG ConfigTable[] =
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{
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IOCTL_SERIAL_SET_BAUD_RATE,
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IOCTL_SERIAL_SET_LINE_CONTROL,
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IOCTL_SERIAL_SET_CHARS,
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IOCTL_SERIAL_SET_TIMEOUTS,
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IOCTL_SERIAL_SET_HANDFLOW,
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#if !defined( __NT4__ )
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IOCTL_SERIAL_PURGE,
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#endif
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IOCTL_SERIAL_SET_BREAK_OFF,
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IOCTL_SERIAL_SET_WAIT_MASK,
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0
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};
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NTSTATUS
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IFInitializeInterface(
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PREADER_EXTENSION ReaderExtension,
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PVOID ConfigData
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)
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/*++
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Routine Description:
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Arguments:
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Return Value:
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--*/
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{
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NTSTATUS NTStatus = STATUS_SUCCESS;
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ULONG OutDataLen;
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PVOID OutData;
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PULONG ActIoctl;
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PSERIAL_PORT_CONFIG SerialPortConfig = (PSERIAL_PORT_CONFIG) ConfigData;
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//
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// set all parameters defined in config table
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//
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ActIoctl = (PULONG) ConfigTable;
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do
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{
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switch( *ActIoctl )
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{
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case IOCTL_SERIAL_SET_BAUD_RATE:
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OutData = &SerialPortConfig->BaudRate;
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OutDataLen = sizeof( SERIAL_BAUD_RATE );
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break;
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case IOCTL_SERIAL_SET_LINE_CONTROL:
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OutData = &SerialPortConfig->LineControl;
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OutDataLen = sizeof( SERIAL_LINE_CONTROL );
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break;
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case IOCTL_SERIAL_SET_CHARS:
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OutData = &SerialPortConfig->SerialChars;
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OutDataLen = sizeof( SERIAL_CHARS );
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break;
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case IOCTL_SERIAL_SET_TIMEOUTS:
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OutData = &SerialPortConfig->Timeouts;
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OutDataLen = sizeof( SERIAL_TIMEOUTS );
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break;
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case IOCTL_SERIAL_SET_HANDFLOW:
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OutData = &SerialPortConfig->HandFlow;
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OutDataLen = sizeof( SERIAL_HANDFLOW );
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break;
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case IOCTL_SERIAL_SET_WAIT_MASK:
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OutData = &SerialPortConfig->WaitMask;
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OutDataLen = sizeof( ULONG );
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break;
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case IOCTL_SERIAL_PURGE:
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OutData = &SerialPortConfig->Purge;
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OutDataLen = sizeof( ULONG );
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break;
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case IOCTL_SERIAL_SET_BREAK_OFF:
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OutData = NULL;
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OutDataLen = 0;
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break;
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}
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NTStatus = IFSerialIoctl(
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ReaderExtension,
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*ActIoctl,
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OutData,
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OutDataLen,
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NULL,
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0
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);
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SysDelay(25);
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} while( *(++ActIoctl) && ( NTStatus == STATUS_SUCCESS ));
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if( NTStatus == STATUS_SUCCESS )
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{
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// initialize the read thread
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NTStatus = IFSerialWaitOnMask( ReaderExtension );
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}
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return( NTStatus );
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}
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NTSTATUS
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IFWrite(
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PREADER_EXTENSION ReaderExtension,
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PUCHAR OutData,
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ULONG OutDataLen
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)
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/*++
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Routine Description:
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Arguments:
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Return Value:
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--*/
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{
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NTSTATUS NTStatus = STATUS_INSUFFICIENT_RESOURCES;
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IO_STATUS_BLOCK IoStatus;
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KEVENT Event;
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PIRP Irp;
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PIO_STACK_LOCATION IrpStack;
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if (KeReadStateEvent(&(ReaderExtension->SerialCloseDone))) {
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//
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// we have no connection to serial, fail the call
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// this could be the case if the reader was removed
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// during stand by / hibernation
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//
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return STATUS_UNSUCCESSFUL;
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}
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ReaderExtension->Available = 0;
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KeInitializeEvent( &Event, NotificationEvent, FALSE );
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//
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// build irp to be send to serial driver
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//
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Irp = IoBuildDeviceIoControlRequest(
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SERIAL_WRITE,
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ReaderExtension->SerialDeviceObject,
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OutData,
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OutDataLen,
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NULL,
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0,
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FALSE,
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&Event,
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&IoStatus
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);
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if( Irp != NULL )
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{
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IrpStack = IoGetNextIrpStackLocation( Irp );
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IrpStack->MajorFunction = IRP_MJ_WRITE;
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IrpStack->Parameters.Write.Length = OutDataLen;
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IrpStack->Parameters.Write.ByteOffset.QuadPart = 0;
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NTStatus = IoCallDriver( ReaderExtension->SerialDeviceObject, Irp );
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if( NTStatus == STATUS_PENDING )
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{
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KeWaitForSingleObject(
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&Event,
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Executive,
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KernelMode,
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FALSE,
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NULL
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);
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NTStatus = IoStatus.Status;
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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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IFRead(
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PREADER_EXTENSION ReaderExtension,
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PUCHAR InData,
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ULONG InDataLen
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)
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/*++
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Routine Description:
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Arguments:
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Return Value:
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--*/
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{
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NTSTATUS NTStatus = STATUS_UNSUCCESSFUL;
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KIRQL CurrentIrql;
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// acquire spinlock to protect buffer/flag manipulation
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KeAcquireSpinLock( &ReaderExtension->ReadSpinLock, &CurrentIrql );
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// check if data already available
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if( ReaderExtension->Available >= InDataLen )
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{
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NTStatus = STATUS_SUCCESS;
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}
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else
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{
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LARGE_INTEGER Timeout;
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// setup read thread
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ReaderExtension->Expected = InDataLen;
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KeClearEvent( &ReaderExtension->DataAvailable );
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KeReleaseSpinLock( &ReaderExtension->ReadSpinLock, CurrentIrql );
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// setup wait time (in 100 ns)
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Timeout.QuadPart =
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(LONGLONG) ReaderExtension->ReadTimeout * -10L * 1000;
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NTStatus = KeWaitForSingleObject(
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&ReaderExtension->DataAvailable,
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Executive,
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KernelMode,
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FALSE,
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&Timeout
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);
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KeAcquireSpinLock(&ReaderExtension->ReadSpinLock, &CurrentIrql);
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// reset the read queue
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KeClearEvent(&ReaderExtension->DataAvailable);
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}
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if( NTStatus == STATUS_SUCCESS )
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{
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if (ReaderExtension->Available >= InDataLen) {
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SysCopyMemory(
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InData,
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&ReaderExtension->TPDUStack[0],
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InDataLen
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);
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ReaderExtension->Available -= InDataLen;
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SysCopyMemory(
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&ReaderExtension->TPDUStack[ 0 ],
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&ReaderExtension->TPDUStack[ InDataLen ],
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ReaderExtension->Available
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);
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} else {
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//
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// oops, that should not happen.
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// InDataLen should not be bigger than
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// the number of bytes available
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//
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ASSERT(FALSE);
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NTStatus = STATUS_IO_TIMEOUT;
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}
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}
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else
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{
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// ReaderExtension->Available = 0;;
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NTStatus = STATUS_IO_TIMEOUT;
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}
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if( NTStatus != STATUS_SUCCESS )
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{
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NTStatus = STATUS_IO_TIMEOUT;
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}
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ReaderExtension->Expected = 0;
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KeReleaseSpinLock( &ReaderExtension->ReadSpinLock, CurrentIrql );
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return( NTStatus );
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}
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NTSTATUS
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IFSerialIoctl(
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PREADER_EXTENSION ReaderExtension,
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ULONG IoctlCode,
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PVOID OutData,
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ULONG OutDataLen,
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PVOID InData,
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ULONG InDataLen
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)
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/*++
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Routine Description:
|
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Arguments:
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Return Value:
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--*/
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{
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NTSTATUS NTStatus = STATUS_INSUFFICIENT_RESOURCES;
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IO_STATUS_BLOCK IoStatus;
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KEVENT Event;
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PIRP Irp;
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if (KeReadStateEvent(&(ReaderExtension->SerialCloseDone))) {
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//
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// we have no connection to serial, fail the call
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// this could be the case if the reader was removed
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// during stand by / hibernation
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//
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return STATUS_UNSUCCESSFUL;
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}
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KeInitializeEvent( &Event, NotificationEvent, FALSE );
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//
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// build irp to be send to serial driver
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//
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Irp = IoBuildDeviceIoControlRequest(
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IoctlCode,
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ReaderExtension->SerialDeviceObject,
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OutData,
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OutDataLen,
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InData,
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InDataLen,
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FALSE,
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|
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&Event,
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|
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&IoStatus
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);
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if( Irp != NULL )
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{
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NTStatus = IoCallDriver( ReaderExtension->SerialDeviceObject, Irp );
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|
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|
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if( NTStatus == STATUS_PENDING )
|
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{
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LARGE_INTEGER Timeout;
|
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|
|
|
||
|
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Timeout.QuadPart =
|
||
|
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(LONGLONG) ReaderExtension->ReadTimeout * -10 * 1000;
|
||
|
|
|
||
|
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KeWaitForSingleObject(
|
||
|
|
&Event,
|
||
|
|
Executive,
|
||
|
|
KernelMode,
|
||
|
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FALSE,
|
||
|
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&Timeout
|
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|
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);
|
||
|
|
|
||
|
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NTStatus = IoStatus.Status;
|
||
|
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}
|
||
|
|
}
|
||
|
|
|
||
|
|
return( NTStatus );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
IFSerialRead(
|
||
|
|
PREADER_EXTENSION ReaderExtension,
|
||
|
|
PUCHAR InData,
|
||
|
|
ULONG InDataLen
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NTSTATUS NTStatus = STATUS_INSUFFICIENT_RESOURCES;
|
||
|
|
IO_STATUS_BLOCK IoStatus;
|
||
|
|
KEVENT Event;
|
||
|
|
PIRP Irp;
|
||
|
|
PIO_STACK_LOCATION IrpStack;
|
||
|
|
|
||
|
|
if (KeReadStateEvent(&(ReaderExtension->SerialCloseDone))) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// we have no connection to serial, fail the call
|
||
|
|
// this could be the case if the reader was removed
|
||
|
|
// during stand by / hibernation
|
||
|
|
//
|
||
|
|
return STATUS_UNSUCCESSFUL;
|
||
|
|
}
|
||
|
|
// build irp to be send to serial driver
|
||
|
|
KeInitializeEvent( &Event, NotificationEvent, FALSE );
|
||
|
|
|
||
|
|
Irp = IoBuildDeviceIoControlRequest(
|
||
|
|
SERIAL_READ,
|
||
|
|
ReaderExtension->SerialDeviceObject,
|
||
|
|
NULL,
|
||
|
|
0,
|
||
|
|
InData,
|
||
|
|
InDataLen,
|
||
|
|
FALSE,
|
||
|
|
&Event,
|
||
|
|
&IoStatus
|
||
|
|
);
|
||
|
|
|
||
|
|
if( Irp != NULL )
|
||
|
|
{
|
||
|
|
IrpStack = IoGetNextIrpStackLocation( Irp );
|
||
|
|
|
||
|
|
IrpStack->MajorFunction = IRP_MJ_READ;
|
||
|
|
IrpStack->Parameters.Read.Length = InDataLen;
|
||
|
|
|
||
|
|
NTStatus = IoCallDriver( ReaderExtension->SerialDeviceObject, Irp );
|
||
|
|
|
||
|
|
if( NTStatus == STATUS_PENDING )
|
||
|
|
{
|
||
|
|
KeWaitForSingleObject(
|
||
|
|
&Event,
|
||
|
|
Executive,
|
||
|
|
KernelMode,
|
||
|
|
FALSE,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
NTStatus = IoStatus.Status;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return( NTStatus );
|
||
|
|
}
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
IFSerialWaitOnMask( PREADER_EXTENSION ReaderExtension )
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
PIRP irp;
|
||
|
|
PIO_STACK_LOCATION irpSp;
|
||
|
|
NTSTATUS NTStatus;
|
||
|
|
|
||
|
|
|
||
|
|
if (KeReadStateEvent(&(ReaderExtension->SerialCloseDone))) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// we have no connection to serial, fail the call
|
||
|
|
// this could be the case if the reader was removed
|
||
|
|
// during stand by / hibernation
|
||
|
|
//
|
||
|
|
return STATUS_UNSUCCESSFUL;
|
||
|
|
}
|
||
|
|
|
||
|
|
irp = IoAllocateIrp(
|
||
|
|
(CCHAR) (ReaderExtension->SerialDeviceObject->StackSize + 1),
|
||
|
|
FALSE
|
||
|
|
);
|
||
|
|
|
||
|
|
ASSERT(irp != NULL);
|
||
|
|
|
||
|
|
if (irp == NULL) {
|
||
|
|
|
||
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
||
|
|
}
|
||
|
|
|
||
|
|
irpSp = IoGetNextIrpStackLocation( irp );
|
||
|
|
irpSp->MajorFunction = IRP_MJ_DEVICE_CONTROL;
|
||
|
|
|
||
|
|
irpSp->Parameters.DeviceIoControl.InputBufferLength = 0;
|
||
|
|
irpSp->Parameters.DeviceIoControl.OutputBufferLength =
|
||
|
|
sizeof(ReaderExtension->EventMask);
|
||
|
|
irpSp->Parameters.DeviceIoControl.IoControlCode =
|
||
|
|
IOCTL_SERIAL_WAIT_ON_MASK;
|
||
|
|
|
||
|
|
irp->AssociatedIrp.SystemBuffer = &ReaderExtension->EventMask;
|
||
|
|
|
||
|
|
// set completion routine & start io
|
||
|
|
IoSetCompletionRoutine(
|
||
|
|
irp,
|
||
|
|
IFReadThreadCallback,
|
||
|
|
ReaderExtension,
|
||
|
|
TRUE,
|
||
|
|
TRUE,
|
||
|
|
TRUE
|
||
|
|
);
|
||
|
|
|
||
|
|
NTStatus = IoCallDriver( ReaderExtension->SerialDeviceObject, irp );
|
||
|
|
|
||
|
|
return (NTStatus == STATUS_PENDING ? STATUS_SUCCESS : NTStatus);
|
||
|
|
}
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
IFReadThreadCallback(
|
||
|
|
PDEVICE_OBJECT DeviceObject,
|
||
|
|
PIRP Irp,
|
||
|
|
PREADER_EXTENSION ReaderExtension
|
||
|
|
)
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
|
||
|
|
// event_rx?
|
||
|
|
if( ReaderExtension->EventMask & SERIAL_EV_RXCHAR )
|
||
|
|
{
|
||
|
|
IoQueueWorkItem(
|
||
|
|
ReaderExtension->ReadWorkItem,
|
||
|
|
(PIO_WORKITEM_ROUTINE) IFReadWorkRoutine,
|
||
|
|
CriticalWorkQueue,
|
||
|
|
ReaderExtension
|
||
|
|
);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
SmartcardDebug(
|
||
|
|
DEBUG_TRACE,
|
||
|
|
("SCMSTCS!IFReadThreadCallback: Device removed\n" )
|
||
|
|
);
|
||
|
|
|
||
|
|
ReaderExtension->SmartcardExtension->ReaderCapabilities.CurrentState =
|
||
|
|
(ULONG) SCARD_UNKNOWN;
|
||
|
|
// last call: disconnect from the serial driver
|
||
|
|
IoQueueWorkItem(
|
||
|
|
ReaderExtension->CloseSerial,
|
||
|
|
(PIO_WORKITEM_ROUTINE) DrvWaitForDeviceRemoval,
|
||
|
|
DelayedWorkQueue,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
IoFreeIrp(Irp);
|
||
|
|
return STATUS_MORE_PROCESSING_REQUIRED;
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID
|
||
|
|
IFReadWorkRoutine(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PREADER_EXTENSION ReaderExtension
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NTSTATUS NTStatus = STATUS_SUCCESS;
|
||
|
|
PIO_STACK_LOCATION IrpStack;
|
||
|
|
PIRP Irp;
|
||
|
|
SERIAL_STATUS CommStatus;
|
||
|
|
PUCHAR IOData;
|
||
|
|
BOOLEAN purgePort = FALSE;
|
||
|
|
BOOLEAN bUpdatCardState = FALSE;
|
||
|
|
USHORT shrtBuf;
|
||
|
|
|
||
|
|
ASSERT( ReaderExtension != NULL );
|
||
|
|
|
||
|
|
|
||
|
|
if (ReaderExtension == NULL) {
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
__try {
|
||
|
|
|
||
|
|
IOData = &ReaderExtension->IOData[0];
|
||
|
|
|
||
|
|
while (NTStatus == STATUS_SUCCESS) {
|
||
|
|
|
||
|
|
// read head
|
||
|
|
NTStatus = IFSerialRead(
|
||
|
|
ReaderExtension,
|
||
|
|
&IOData[0],
|
||
|
|
3
|
||
|
|
);
|
||
|
|
|
||
|
|
if (NTStatus != STATUS_SUCCESS) {
|
||
|
|
|
||
|
|
__leave;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((IOData[NAD_IDX] & 0x20) != 0x20) {
|
||
|
|
|
||
|
|
SmartcardDebug(
|
||
|
|
DEBUG_ERROR,
|
||
|
|
("SCMSTCS!IFReadWorkRoutine: Invalid packet received\n" )
|
||
|
|
);
|
||
|
|
|
||
|
|
purgePort = TRUE;
|
||
|
|
__leave;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (IOData[LEN_IDX] > STC_BUFFER_SIZE - 4) {
|
||
|
|
|
||
|
|
purgePort = TRUE;
|
||
|
|
__leave;
|
||
|
|
}
|
||
|
|
|
||
|
|
// read tail
|
||
|
|
NTStatus = IFSerialRead(
|
||
|
|
ReaderExtension,
|
||
|
|
&IOData[DATA_IDX],
|
||
|
|
IOData[LEN_IDX] + 1
|
||
|
|
);
|
||
|
|
|
||
|
|
ASSERT(NTStatus == STATUS_SUCCESS);
|
||
|
|
|
||
|
|
if (NTStatus != STATUS_SUCCESS) {
|
||
|
|
|
||
|
|
purgePort = TRUE;
|
||
|
|
__leave;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (IOData[LEN_IDX] == 0) {
|
||
|
|
|
||
|
|
purgePort = TRUE;
|
||
|
|
__leave;
|
||
|
|
}
|
||
|
|
|
||
|
|
// check for card insertion / removal
|
||
|
|
RtlRetrieveUshort(&shrtBuf, &IOData[DATA_IDX]);
|
||
|
|
|
||
|
|
if( ( IOData[NAD_IDX] == STC1_TO_HOST ) &&
|
||
|
|
( IOData[LEN_IDX] == 2 ) &&
|
||
|
|
( (shrtBuf == SW_INSERTED) ||
|
||
|
|
(shrtBuf == SW_REMOVED))) {
|
||
|
|
|
||
|
|
CBUpdateCardState(
|
||
|
|
ReaderExtension->SmartcardExtension,
|
||
|
|
(shrtBuf == SW_INSERTED ? SCARD_PRESENT : SCARD_ABSENT)
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
KIRQL CurrentIrql;
|
||
|
|
|
||
|
|
|
||
|
|
// acquire spinlock to protect buffer/flag manipulation
|
||
|
|
KeAcquireSpinLock(
|
||
|
|
&ReaderExtension->ReadSpinLock,
|
||
|
|
&CurrentIrql
|
||
|
|
);
|
||
|
|
|
||
|
|
// check size & copy data to TPDU stack
|
||
|
|
ASSERT(
|
||
|
|
ReaderExtension->Available+IOData[LEN_IDX] + 4 <
|
||
|
|
TPDU_STACK_SIZE
|
||
|
|
);
|
||
|
|
|
||
|
|
if (ReaderExtension->Available + IOData[LEN_IDX] + 4 <
|
||
|
|
TPDU_STACK_SIZE ) {
|
||
|
|
|
||
|
|
SysCopyMemory(
|
||
|
|
&ReaderExtension->TPDUStack[ReaderExtension->Available],
|
||
|
|
&IOData[ 0 ],
|
||
|
|
IOData[ LEN_IDX ] + 4
|
||
|
|
);
|
||
|
|
|
||
|
|
ReaderExtension->Available +=
|
||
|
|
IOData[LEN_IDX] + 4;
|
||
|
|
|
||
|
|
if(ReaderExtension->Available >= ReaderExtension->Expected ) {
|
||
|
|
|
||
|
|
KeSetEvent(
|
||
|
|
&ReaderExtension->DataAvailable,
|
||
|
|
IO_SERIAL_INCREMENT,
|
||
|
|
FALSE
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
KeReleaseSpinLock( &ReaderExtension->ReadSpinLock, CurrentIrql );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
__finally {
|
||
|
|
|
||
|
|
|
||
|
|
if (purgePort) {
|
||
|
|
|
||
|
|
ULONG request;
|
||
|
|
KIRQL CurrentIrql;
|
||
|
|
|
||
|
|
// acquire spinlock to protect buffer/flag manipulation
|
||
|
|
KeAcquireSpinLock(
|
||
|
|
&ReaderExtension->ReadSpinLock,
|
||
|
|
&CurrentIrql
|
||
|
|
);
|
||
|
|
|
||
|
|
ReaderExtension->Available = 0;
|
||
|
|
|
||
|
|
KeReleaseSpinLock(
|
||
|
|
&ReaderExtension->ReadSpinLock,
|
||
|
|
CurrentIrql
|
||
|
|
);
|
||
|
|
|
||
|
|
// we got an error and need to clean up the port
|
||
|
|
request = SR_PURGE;
|
||
|
|
NTStatus = IFSerialIoctl(
|
||
|
|
ReaderExtension,
|
||
|
|
IOCTL_SERIAL_PURGE,
|
||
|
|
&request,
|
||
|
|
sizeof(request),
|
||
|
|
NULL,
|
||
|
|
0
|
||
|
|
);
|
||
|
|
|
||
|
|
ASSERT(NTStatus == STATUS_SUCCESS);
|
||
|
|
}
|
||
|
|
|
||
|
|
IFSerialWaitOnMask( ReaderExtension );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
UCHAR IFCalcLRC( PUCHAR IOData, ULONG IODataLen )
|
||
|
|
{
|
||
|
|
ULONG Idx = 0;
|
||
|
|
UCHAR CS = 0;
|
||
|
|
|
||
|
|
do CS ^= IOData[ Idx ];
|
||
|
|
while( ++Idx < IODataLen );
|
||
|
|
|
||
|
|
return( CS );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------- END OF FILE ----------------------------------------
|