140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
|
//+----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Copyright (C) 1996, Microsoft Corporation
|
||
|
|
//
|
||
|
|
// File: dfsext.cxx
|
||
|
|
//
|
||
|
|
// Contents: Code to see if a path refers to a Dfs path.
|
||
|
|
//
|
||
|
|
// Classes: None
|
||
|
|
//
|
||
|
|
// Functions: TranslateDfsPath
|
||
|
|
//
|
||
|
|
// History: June 17, 1996 Milans Created
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include "act.hxx"
|
||
|
|
|
||
|
|
#ifdef DFSACTIVATION
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
DfsFsctl(
|
||
|
|
IN HANDLE DfsHandle,
|
||
|
|
IN ULONG FsControlCode,
|
||
|
|
IN PVOID InputBuffer OPTIONAL,
|
||
|
|
IN ULONG InputBufferLength,
|
||
|
|
OUT PVOID OutputBuffer OPTIONAL,
|
||
|
|
IN OUT PULONG OutputBufferLength);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
DfsOpen(
|
||
|
|
IN OUT PHANDLE DfsHandle);
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: DfsOpen, private
|
||
|
|
//
|
||
|
|
// Synopsis: Opens a handle to the Dfs driver for fsctl purposes.
|
||
|
|
//
|
||
|
|
// Arguments: [DfsHandle] -- On successful return, contains handle to the
|
||
|
|
// driver.
|
||
|
|
//
|
||
|
|
// Returns: NTSTATUS of attempt to open the Dfs driver.
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
NTSTATUS
|
||
|
|
DfsOpen(
|
||
|
|
IN OUT PHANDLE DfsHandle)
|
||
|
|
{
|
||
|
|
NTSTATUS status;
|
||
|
|
OBJECT_ATTRIBUTES objectAttributes;
|
||
|
|
IO_STATUS_BLOCK ioStatus;
|
||
|
|
UNICODE_STRING name = {
|
||
|
|
sizeof(DFS_DRIVER_NAME)-sizeof(UNICODE_NULL),
|
||
|
|
sizeof(DFS_DRIVER_NAME)-sizeof(UNICODE_NULL),
|
||
|
|
DFS_DRIVER_NAME};
|
||
|
|
|
||
|
|
InitializeObjectAttributes(
|
||
|
|
&objectAttributes,
|
||
|
|
&name,
|
||
|
|
OBJ_CASE_INSENSITIVE,
|
||
|
|
NULL,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
|
||
|
|
status = NtCreateFile(
|
||
|
|
DfsHandle,
|
||
|
|
SYNCHRONIZE,
|
||
|
|
&objectAttributes,
|
||
|
|
&ioStatus,
|
||
|
|
NULL,
|
||
|
|
FILE_ATTRIBUTE_NORMAL,
|
||
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
||
|
|
FILE_OPEN_IF,
|
||
|
|
FILE_CREATE_TREE_CONNECTION | FILE_SYNCHRONOUS_IO_NONALERT,
|
||
|
|
NULL,
|
||
|
|
0);
|
||
|
|
|
||
|
|
if (NT_SUCCESS(status))
|
||
|
|
status = ioStatus.Status;
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: DfsFsctl, public
|
||
|
|
//
|
||
|
|
// Synopsis: Fsctl's to the Dfs driver.
|
||
|
|
//
|
||
|
|
// Arguments: [DfsHandle] -- Handle to the Dfs driver, usually obtained by
|
||
|
|
// calling DfsOpen.
|
||
|
|
// [FsControlCode] -- The FSCTL code (see private\inc\dfsfsctl.h)
|
||
|
|
// [InputBuffer] -- InputBuffer to the fsctl.
|
||
|
|
// [InputBufferLength] -- Length, in BYTES, of InputBuffer
|
||
|
|
// [OutputBuffer] -- OutputBuffer to the fsctl.
|
||
|
|
// [OutputBufferLength] -- Length, in BYTES, of OutputBuffer
|
||
|
|
//
|
||
|
|
// Returns: NTSTATUS of Fsctl attempt.
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
NTSTATUS
|
||
|
|
DfsFsctl(
|
||
|
|
IN HANDLE DfsHandle,
|
||
|
|
IN ULONG FsControlCode,
|
||
|
|
IN PVOID InputBuffer OPTIONAL,
|
||
|
|
IN ULONG InputBufferLength,
|
||
|
|
OUT PVOID OutputBuffer OPTIONAL,
|
||
|
|
IN OUT PULONG OutputBufferLength
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NTSTATUS status;
|
||
|
|
IO_STATUS_BLOCK ioStatus;
|
||
|
|
|
||
|
|
status = NtFsControlFile(
|
||
|
|
DfsHandle,
|
||
|
|
NULL, // Event,
|
||
|
|
NULL, // ApcRoutine,
|
||
|
|
NULL, // ApcContext,
|
||
|
|
&ioStatus,
|
||
|
|
FsControlCode,
|
||
|
|
InputBuffer,
|
||
|
|
InputBufferLength,
|
||
|
|
OutputBuffer,
|
||
|
|
*OutputBufferLength
|
||
|
|
);
|
||
|
|
|
||
|
|
if(NT_SUCCESS(status))
|
||
|
|
status = ioStatus.Status;
|
||
|
|
|
||
|
|
if (status == STATUS_BUFFER_OVERFLOW)
|
||
|
|
*OutputBufferLength = *((PULONG) OutputBuffer);
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // DFSACTIVATION
|