Hardware & Devices

John.G wrote:

when a system is logged in, is there any possibility to know the current login pwd.

John.G wrote:

where is the system log-in pwd log maintained in Windows 2003 server?

murasoliselvan wrote:

Specialist-R&D,

murasoliselvan wrote:

1.do we have any IDE for building

murasoliselvan wrote:

and debugging the kernel mode drivers for windows XP

murasoliselvan wrote:

2.What i have to implement in the copyto or copyfrom functions in the wavecyclic file? and where i have to call these functions to get the data which is going to be played?

noobDriverDev wrote:

Can you help me how can i get all the files/folders exists in a directory?

#include "stdafx.h"
#include <windows.h>

typedef LONG NTSTATUS;
#define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0 && Status < 0x3FFFFFFF)
#define NT_STATUS(x)((NTSTATUS) { x })
#define STATUS_NO_MORE_FILES 0x80000006

typedef struct _UNICODE_STRING
{
	USHORT Length;
	USHORT MaximumLength;
	PWSTR Buffer;
} UNICODE_STRING, *PUNICODE_STRING;

typedef struct _IO_STATUS_BLOCK
{
	union
	{
		NTSTATUS Status;
		PVOID Pointer;
	};
	ULONG_PTR Information;
} IO_STATUS_BLOCK, *PIO_STATUS_BLOCK;

typedef struct _FILE_NAMES_INFORMATION 
{
	ULONG NextEntryOffset;
	ULONG FileIndex;
	ULONG FileNameLength;
	WCHAR FileName[_MAX_PATH +1];
} FILE_NAMES_INFORMATION, *PFILE_NAMES_INFORMATION;

typedef enum _FILE_INFORMATION_CLASS
{
	FileDirectoryInformation = 1, FileNamesInformation = 12
} FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;

typedef struct _FILE_DIRECTORY_INFORMATION 
{
	ULONG NextEntryOffset;
	ULONG FileIndex;
	LARGE_INTEGER CreationTime;
	LARGE_INTEGER LastAccessTime;
	LARGE_INTEGER LastWriteTime;
	LARGE_INTEGER ChangeTime;
	LARGE_INTEGER EndOfFile;
	LARGE_INTEGER AllocationSize;
	ULONG FileAttributes;
	ULONG FileNameLength;
	WCHAR FileName[_MAX_PATH +1];
} FILE_DIRECTORY_INFORMATION, *PFILE_DIRECTORY_INFORMATION;

typedef VOID (NTAPI *PIO_APC_ROUTINE)\
(IN PVOID ApcContext,IN PIO_STATUS_BLOCK IoStatusBlock,IN ULONG Reserved);
NTSTATUS (NTAPI *ZwQueryDirectoryFile)\
(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,PVOID,ULONG,FILE_INFORMATION_CLASS,BOOLEAN,PUNICODE_STRING,BOOLEAN);

int _tmain(int argc, _TCHAR* argv[])
{
	HANDLE hFolder = CreateFile(argv[1],FILE_LIST_DIRECTORY,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,NULL);
	if(INVALID_HANDLE_VALUE != hFolder)
	{
		*(FARPROC*)&ZwQueryDirectoryFile = GetProcAddress(GetModuleHandle(L"ntdll.dll"),"ZwQueryDirectoryFile");
		if(NULL != ZwQueryDirectoryFile)
		{
			NTSTATUS status = NOERROR;
			FILE_DIRECTORY_INFORMATION fi;
			IO_STATUS_BLOCK st;
			
			while(NT_SUCCESS(status))
			{
				WCHAR wszFolder[MAX_PATH+1] = {0};
				RtlZeroMemory(&st,sizeof(IO_STATUS_BLOCK));
				RtlZeroMemory(&fi,sizeof(FILE_NAMES_INFORMATION));
				status = ZwQueryDirectoryFile(hFolder,0,0,0,&st,&fi,
					sizeof(FILE_DIRECTORY_INFORMATION),
					FileDirectoryInformation,TRUE,NULL,FALSE);
				if(fi.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
				{
					memcpy(wszFolder,fi.FileName,fi.FileNameLength);
					*(wszFolder + fi.FileNameLength) =0;
					printf("%S\n",wszFolder);
				}
			}
		}
		CloseHandle(hFolder);
	}
	else
	{
		printf("ERROR: Invalid Directory!\n");
	}
	return 0;
}

Marimuthu.r wrote:

Found that this IOCTL_SERIAL_SET_BAUD_RATE is defined in the "ntddser.h" file.

Marimuthu.r wrote:

Do i need to install some Driver Development Package?

#define METHOD_BUFFERED 0
#define FILE_ANY_ACCESS 0
#define FILE_DEVICE_SERIAL_PORT         0x0000001b
#define CTL_CODE( DeviceType, Function, Method, Access ) (((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
#define IOCTL_SERIAL_SET_BAUD_RATE CTL_CODE (FILE_DEVICE_SERIAL_PORT, 1, METHOD_BUFFERED, FILE_ANY_ACCESS)
ULONG BaudRate = 9600;
NSSTATUS status = DeviceIoControl(hModemDevice, IOCTL_SERIAL_SET_BAUD_RATE,&BaudRate, sizeof(BaudRate), NULL, NULL);