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/***
Copyright (c) 1995 Microsoft Corporation
Module Name:
GetPs.c
Abstract:
Command line test for getting the preferred server.
Author:
Cory West [corywest] 14-Nov-95
***/
#include "ndsapi32.h"
int
_cdecl main(
int argc,
char **argv
) {
NTSTATUS ntstatus;
IO_STATUS_BLOCK IoStatusBlock;
OBJECT_ATTRIBUTES ObjectAttributes;
ACCESS_MASK DesiredAccess = SYNCHRONIZE | FILE_LIST_DIRECTORY;
HANDLE hRdr;
WCHAR OpenString[] = L"\\Device\\Nwrdr\\*";
UNICODE_STRING OpenName;
BYTE Reply[64];
//
// Check the arguments.
//
if ( argc != 1 ) {
printf( "Usage: getps\n" );
printf( "Retrieves the current preferred server.\n" );
return -1;
}
//
// Set up the object attributes.
//
RtlInitUnicodeString( &OpenName, OpenString );
InitializeObjectAttributes( &ObjectAttributes,
&OpenName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL );
ntstatus = NtOpenFile( &hRdr,
DesiredAccess,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_VALID_FLAGS,
FILE_SYNCHRONOUS_IO_NONALERT );
if ( !NT_SUCCESS(ntstatus) )
return ntstatus;
//
// Call the nwrdr.
//
ntstatus = NtFsControlFile( hRdr,
NULL,
NULL,
NULL,
&IoStatusBlock,
FSCTL_NWR_GET_PREFERRED_SERVER,
NULL,
0,
(PVOID) Reply,
sizeof( Reply ) );
if ( !NT_SUCCESS( ntstatus ) ) {
printf( "No preferred server is currently set.\n" );
goto ExitWithClose;
}
//
// On success the output buffer contains a UNICODE_STRING
// with the string packed in afterwards.
//
printf( "Preferred Server: %wZ\n", (PUNICODE_STRING) Reply );
ExitWithClose:
NtClose( hRdr );
return ntstatus;
}
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