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【C】 NtSetInformationFile删除文件
作者:sincoder / 发布于2012/12/4/ 988
#include <windows.h>
#include <stdio.h>

typedef unsigned long * ULONG_PTR;
typedef LONG NTSTATUS, *PNTSTATUS;

typedef enum _FILE_INFORMATION_CLASS { 
	FileDirectoryInformation                 = 1,
		FileFullDirectoryInformation,
		FileBothDirectoryInformation,
		FileBasicInformation,
		FileStandardInformation,
		FileInternalInformation,
		FileEaInformation,
		FileAccessInformation,
		FileNameInformation,
		FileRenameInformation,
		FileLinkInformation,
		FileNamesInformation,
		FileDispositionInformation,
		FilePositionInformation,
		FileFullEaInformation,
		FileModeInformation,
		FileAlignmentInformation,
		FileAllInformation,
		FileAllocationInformation,
		FileEndOfFileInformation,
		FileAlternateNameInformation,
		FileStreamInformation,
		FilePipeInformation,
		FilePipeLocalInformation,
		FilePipeRemoteInformation,
		FileMailslotQueryInformation,
		FileMailslotSetInformation,
		FileCompressionInformation,
		FileObjectIdInformation,
		FileCompletionInformation,
		FileMoveClusterInformation,
		FileQuotaInformation,
		FileReparsePointInformation,
		FileNetworkOpenInformation,
		FileAttributeTagInformation,
		FileTrackingInformation,
		FileIdBothDirectoryInformation,
		FileIdFullDirectoryInformation,
		FileValidDataLengthInformation,
		FileShortNameInformation,
		FileIoCompletionNotificationInformation,
		FileIoStatusBlockRangeInformation,
		FileIoPriorityHintInformation,
		FileSfioReserveInformation,
		FileSfioVolumeInformation,
		FileHardLinkInformation,
		FileProcessIdsUsingFileInformation,
		FileNormalizedNameInformation,
		FileNetworkPhysicalNameInformation,
		FileIdGlobalTxDirectoryInformation,
		FileIsRemoteDeviceInformation,
		FileAttributeCacheInformation,
		FileNumaNodeInformation,
		FileStandardLinkInformation,
		FileRemoteProtocolInformation,
		FileMaximumInformation
} FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;

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

typedef struct _FILE_DISPOSITION_INFORMATION {
	BOOLEAN DeleteFile;
} FILE_DISPOSITION_INFORMATION, *PFILE_DISPOSITION_INFORMATION;

NTSTATUS (__stdcall *pf_NtSetInformationFile)(
							  HANDLE FileHandle,
							  PIO_STATUS_BLOCK IoStatusBlock,
							  PVOID FileInformation,
							  ULONG Length,
							  FILE_INFORMATION_CLASS FileInformationClass
							  );


int main(int argc ,char **argv)
{
	FILE_DISPOSITION_INFORMATION  fi={1};
	IO_STATUS_BLOCK bs={0};
	HANDLE hfile = CreateFileA("c:\\1.txt",DELETE,0,NULL,OPEN_EXISTING,0,NULL);
	if(hfile == INVALID_HANDLE_VALUE)
	{
		printf("open file failed !");
		return -1;
	}
	pf_NtSetInformationFile = (NTSTATUS (__stdcall *)(
		HANDLE ,
		PIO_STATUS_BLOCK ,
		PVOID ,
		ULONG ,
		FILE_INFORMATION_CLASS ))GetProcAddress(LoadLibrary("ntdll.dll"),"NtSetInformationFile");
	pf_NtSetInformationFile(hfile,&bs,&fi,1,FileDispositionInformation);
	CloseHandle(hfile);
	return 0;
}
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