端口通信

应用程序 function.h  function.cpp main.cpp

#ifndef FUNCTION_H #define FUNCTION_H//#include "../MyDriver/Ioctls.h"DWORD ReadPort(HANDLE hDevice,DWORD port);VOID WritePort(HANDLE hDevice,DWORD port,DWORD value);VOID TestDriver(HANDLE hDevice);#endif

#include <windows.h>#include <stdio.h>#include "function.h"// DWORD ReadPort(HANDLE hDevice,DWORD port)// {// DWORD dwOutput;// DWORD dwRead;// DeviceIoControl(hDevice, IOCTL_READ_PORT_ULONG, &port, 4, &dwOutput, 4, &dwRead, NULL);// return dwOutput;// }// VOID WritePort(HANDLE hDevice,DWORD port,DWORD value)// {// PVOID buffer[2];// buffer[0] = (PVOID)port;// buffer[1] = (PVOID)value;// DWORD dwWrite;// DeviceIoControl(hDevice, IOCTL_WRITE_PORT_ULONG, &port, 8, NULL, 0, &dwWrite, NULL);// }// VOID TestDriver(HANDLE hDevice)// {// DWORD dwOutput;// DeviceIoControl(hDevice, IOCTL_TEST, NULL, 0, NULL, 0, &dwOutput, NULL);// }

#include <windows.h>#include <stdio.h>//使用CTL_CODE必须加入winioctl.h#include <winioctl.h>#include "..\驱动1\Ioctls.h"int main(){HANDLE hDevice = CreateFile(L"\\\\.\\HelloDDK",GENERIC_READ | GENERIC_WRITE,0,// share mode noneNULL,// no securityOPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL );// no templateif (hDevice == INVALID_HANDLE_VALUE){printf("Failed to obtain file handle to device: ""%s with Win32 error code: %d\n","MyWDMDevice", GetLastError() );return 1;}DWORD dwOutput ;DWORD inputBuffer[3] ={0x378,//对0x378进行操作1,//1代表8位操作，2代表16位操作，4代表32位操作0//输出字节0};//类似于Out_8((PUCHAR)0x378,0);DeviceIoControl(hDevice, WRITE_PORT, inputBuffer, sizeof(inputBuffer), NULL, 0, &dwOutput, NULL);system("pause");DeviceIoControl(hDevice, READ_PORT, inputBuffer, sizeof(inputBuffer), NULL, 0, &dwOutput, NULL);system("pause");CloseHandle(hDevice);return 0;}

Driver.h Ioctls.h Driver.cpp

/************************************************************************* 文件名称:Driver.h                                                 * 作    者:张帆* 完成日期:2007-11-1*************************************************************************/#pragma once#ifdef __cplusplusextern "C"{#endif#include <NTDDK.h>#ifdef __cplusplus}#endif #include "ioctls.h"#define PAGEDCODE code_seg("PAGE")#define LOCKEDCODE code_seg()#define INITCODE code_seg("INIT")#define PAGEDDATA data_seg("PAGE")#define LOCKEDDATA data_seg()#define INITDATA data_seg("INIT")#define arraysize(p) (sizeof(p)/sizeof((p)[0]))#define MAX_FILE_LENGTH 1024typedef struct _DEVICE_EXTENSION {PDEVICE_OBJECT pDevice;UNICODE_STRING ustrDeviceName;//设备名称UNICODE_STRING ustrSymLinkName;//符号链接名PUCHAR buffer;//缓冲区ULONG file_length;//模拟的文件长度，必须小于MAX_FILE_LENGTH} DEVICE_EXTENSION, *PDEVICE_EXTENSION;// 函数声明NTSTATUS CreateDevice (IN PDRIVER_OBJECT pDriverObject);VOID HelloDDKUnload (IN PDRIVER_OBJECT pDriverObject);NTSTATUS HelloDDKDispatchRoutin(IN PDEVICE_OBJECT pDevObj, IN PIRP pIrp);NTSTATUS HelloDDKDeviceIOControl(IN PDEVICE_OBJECT pDevObj, IN PIRP pIrp);

// IOCTLS.H -- IOCTL code definitions for fileio driver// Copyright (C) 1999 by Walter Oney// All rights reserved#ifndef IOCTLS_H#define IOCTLS_H#ifndef CTL_CODE#pragma message("CTL_CODE undefined. Include winioctl.h or wdm.h")#endif#define READ_PORT CTL_CODE(\FILE_DEVICE_UNKNOWN, \0x800, \METHOD_BUFFERED, \FILE_ANY_ACCESS)#define WRITE_PORT CTL_CODE(\FILE_DEVICE_UNKNOWN, \0x801, \METHOD_BUFFERED, \FILE_ANY_ACCESS)#endif

#include "Driver.h"/************************************************************************* 函数名称:DriverEntry* 功能描述:初始化驱动程序，定位和申请硬件资源，创建内核对象* 参数列表:      pDriverObject:从I/O管理器中传进来的驱动对象      pRegistryPath:驱动程序在注册表的中的路径* 返回 值:返回初始化驱动状态*************************************************************************/#pragma INITCODEextern "C" NTSTATUS DriverEntry (IN PDRIVER_OBJECT pDriverObject,IN PUNICODE_STRING pRegistryPath) {NTSTATUS status;KdPrint(("Enter DriverEntry\n"));pDriverObject->DriverUnload = HelloDDKUnload;//设置卸载函数for (int i = 0; i < arraysize(pDriverObject->MajorFunction); ++i)pDriverObject->MajorFunction[i] = HelloDDKDispatchRoutin;//设置派遣函数pDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = HelloDDKDeviceIOControl;status = CreateDevice(pDriverObject);//创建驱动设备对象KdPrint(("Leave DriverEntry\n"));return status;}/************************************************************************* 函数名称:CreateDevice* 功能描述:初始化设备对象* 参数列表:      pDriverObject:从I/O管理器中传进来的驱动对象* 返回 值:返回初始化状态*************************************************************************/#pragma INITCODENTSTATUS CreateDevice (IN PDRIVER_OBJECTpDriverObject) {NTSTATUS status;PDEVICE_OBJECT pDevObj;PDEVICE_EXTENSION pDevExt;//创建设备名称UNICODE_STRING devName;RtlInitUnicodeString(&devName,L"\\Device\\MyDDKDevice");//创建设备status = IoCreateDevice( pDriverObject,sizeof(DEVICE_EXTENSION),&(UNICODE_STRING)devName,FILE_DEVICE_UNKNOWN,0, TRUE,&pDevObj );if (!NT_SUCCESS(status))return status;pDevObj->Flags |= DO_DIRECT_IO;pDevExt = (PDEVICE_EXTENSION)pDevObj->DeviceExtension;pDevExt->pDevice = pDevObj;pDevExt->ustrDeviceName = devName;//申请模拟文件的缓冲区pDevExt->buffer = (PUCHAR)ExAllocatePool(PagedPool,MAX_FILE_LENGTH);//设置模拟文件大小pDevExt->file_length = 0;//创建符号链接UNICODE_STRING symLinkName;RtlInitUnicodeString(&symLinkName,L"\\??\\HelloDDK");pDevExt->ustrSymLinkName = symLinkName;status = IoCreateSymbolicLink( &symLinkName,&devName );if (!NT_SUCCESS(status)) {IoDeleteDevice( pDevObj );return status;}return STATUS_SUCCESS;}/************************************************************************* 函数名称:HelloDDKUnload* 功能描述:负责驱动程序的卸载操作* 参数列表:      pDriverObject:驱动对象* 返回 值:返回状态*************************************************************************/#pragma PAGEDCODEVOID HelloDDKUnload (IN PDRIVER_OBJECT pDriverObject) {PDEVICE_OBJECTpNextObj;KdPrint(("Enter DriverUnload\n"));pNextObj = pDriverObject->DeviceObject;//while (pNextObj != NULL) //{//PDEVICE_EXTENSION pDevExt = (PDEVICE_EXTENSION)//pNextObj->DeviceExtension;//if (pDevExt->buffer)//{//ExFreePool(pDevExt->buffer);//pDevExt->buffer = NULL;//}////删除符号链接//UNICODE_STRING pLinkName = pDevExt->ustrSymLinkName;//IoDeleteSymbolicLink(&pLinkName);//pNextObj = pNextObj->NextDevice;//IoDeleteDevice( pDevExt->pDevice );//}UNICODE_STRING symLinkName;RtlInitUnicodeString(&symLinkName, L"\\??\\HelloDDK");IoDeleteSymbolicLink(&symLinkName);//删除符号连接      IoDeleteDevice(pDriverObject->DeviceObject);//删除设备   }/************************************************************************* 函数名称:HelloDDKDispatchRoutin* 功能描述:对读IRP进行处理* 参数列表:      pDevObj:功能设备对象      pIrp:从IO请求包* 返回 值:返回状态*************************************************************************/#pragma PAGEDCODENTSTATUS HelloDDKDispatchRoutin(IN PDEVICE_OBJECT pDevObj,IN PIRP pIrp) {KdPrint(("Enter HelloDDKDispatchRoutin\n"));PIO_STACK_LOCATION stack = IoGetCurrentIrpStackLocation(pIrp);//建立一个字符串数组与IRP类型对应起来static char* irpname[] = {"IRP_MJ_CREATE","IRP_MJ_CREATE_NAMED_PIPE","IRP_MJ_CLOSE","IRP_MJ_READ","IRP_MJ_WRITE","IRP_MJ_QUERY_INFORMATION","IRP_MJ_SET_INFORMATION","IRP_MJ_QUERY_EA","IRP_MJ_SET_EA","IRP_MJ_FLUSH_BUFFERS","IRP_MJ_QUERY_VOLUME_INFORMATION","IRP_MJ_SET_VOLUME_INFORMATION","IRP_MJ_DIRECTORY_CONTROL","IRP_MJ_FILE_SYSTEM_CONTROL","IRP_MJ_DEVICE_CONTROL","IRP_MJ_INTERNAL_DEVICE_CONTROL","IRP_MJ_SHUTDOWN","IRP_MJ_LOCK_CONTROL","IRP_MJ_CLEANUP","IRP_MJ_CREATE_MAILSLOT","IRP_MJ_QUERY_SECURITY","IRP_MJ_SET_SECURITY","IRP_MJ_POWER","IRP_MJ_SYSTEM_CONTROL","IRP_MJ_DEVICE_CHANGE","IRP_MJ_QUERY_QUOTA","IRP_MJ_SET_QUOTA","IRP_MJ_PNP",};UCHAR type = stack->MajorFunction;if (type >= arraysize(irpname))KdPrint((" - Unknown IRP, major type %X\n", type));elseKdPrint(("\t%s\n", irpname[type]));NTSTATUS status = STATUS_SUCCESS;// 完成IRPpIrp->IoStatus.Status = status;pIrp->IoStatus.Information = 0;// bytes xferedIoCompleteRequest( pIrp, IO_NO_INCREMENT );KdPrint(("Leave HelloDDKDispatchRoutin\n"));return status;}#pragma PAGEDCODENTSTATUS HelloDDKDeviceIOControl(IN PDEVICE_OBJECT pDevObj,IN PIRP pIrp){NTSTATUS status = STATUS_SUCCESS;KdPrint(("Enter HelloDDKDeviceIOControl\n"));//得到当前堆栈PIO_STACK_LOCATION stack = IoGetCurrentIrpStackLocation(pIrp);ULONG cbin = stack->Parameters.DeviceIoControl.InputBufferLength;//得到输入缓冲区大小ULONG cbout = stack->Parameters.DeviceIoControl.OutputBufferLength;//得到输出缓冲区大小ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;//得到IOCTL码ULONG info = 0;switch (code){// process requestcase READ_PORT:{KdPrint(("进入驱动读 READ_PORT\n"));//缓冲区方式IOCTL//显示输入缓冲区数据 PULONG InputBuffer = (PULONG)pIrp->AssociatedIrp.SystemBuffer;ULONG port = (ULONG)(*InputBuffer);InputBuffer++;UCHAR method = (UCHAR)(*InputBuffer);//操作输出缓冲区PULONG OutputBuffer = (PULONG)pIrp->AssociatedIrp.SystemBuffer;if (method==1)//8位操作{*OutputBuffer = READ_PORT_UCHAR((PUCHAR)port);}else if(method==2)//16位操作{*OutputBuffer = READ_PORT_USHORT((PUSHORT)port);}else if(method==4)//32位操作{*OutputBuffer = READ_PORT_ULONG((PULONG)port);}//设置实际操作输出缓冲区长度 info = 4;break;}case WRITE_PORT:{KdPrint(("进入驱动写 WRITE_PORT\n"));//缓冲区方式IOCTL//显示输入缓冲区数据PULONG InputBuffer = (PULONG)pIrp->AssociatedIrp.SystemBuffer;ULONG port = (ULONG)(*InputBuffer);InputBuffer++;UCHAR method = (UCHAR)(*InputBuffer);InputBuffer++;ULONG value = (ULONG)(*InputBuffer);//操作输出缓冲区PULONG OutputBuffer = (PULONG)pIrp->AssociatedIrp.SystemBuffer;if (method==1)//8位操作{WRITE_PORT_UCHAR((PUCHAR)port,(UCHAR)value);//端口号 输出为0}else if(method==2)//16位操作{WRITE_PORT_USHORT((PUSHORT)port,(USHORT)value);}else if(method==4)//32位操作{WRITE_PORT_ULONG((PULONG)port,(ULONG)value);}//设置实际操作输出缓冲区长度 info = 0;break;}default:status = STATUS_INVALID_VARIANT;}// 完成IRPpIrp->IoStatus.Status = status;pIrp->IoStatus.Information = info;// bytes xferedIoCompleteRequest( pIrp, IO_NO_INCREMENT );KdPrint(("Leave HelloDDKDeviceIOControl\n"));return status;}