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/***
Copyright (c) 1995 Microsoft Corporation
Module Name:
ConnInfo.c
Abstract:
Command line test for getting the connection information
for various connections.
Author:
Cory West [corywest] 14-Nov-95
***/
#include "ndsapi32.h"
#include "ntddnwfs.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;
OEM_STRING OemArg;
UNICODE_STRING ConnectionName;
WCHAR ConnectionBuffer[512];
ULONG BufferSize = 512;
ULONG RequestSize, ReplyLen;
PNWR_REQUEST_PACKET Request;
BYTE *Reply;
PCONN_INFORMATION pConnInfo;
UNICODE_STRING Name;
//
// Check the arguments.
//
if ( argc != 2 ) {
printf( "Usage: conninfo [connection name]\n" );
printf( "For Example: conninfo x:, conninfo lpt1:, or conninfo \\\\server\\share\n" );
return -1;
}
//
// Allocate buffer space.
//
Request = (PNWR_REQUEST_PACKET) LocalAlloc( LMEM_ZEROINIT, BufferSize );
if ( !Request ) {
printf( "Insufficient memory to complete the request.\n" );
return -1;
}
//
// Convert the connect name to unicode.
//
ConnectionName.Length = 0;
ConnectionName.MaximumLength = sizeof( ConnectionBuffer );
ConnectionName.Buffer = ConnectionBuffer;
OemArg.Length = strlen( argv[1] );
OemArg.MaximumLength = OemArg.Length;
OemArg.Buffer = argv[1];
RtlOemStringToUnicodeString( &ConnectionName, &OemArg, FALSE );
//
// 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;
//
// Fill out the request packet for FSCTL_NWR_GET_CONN_INFO.
//
Request->Parameters.GetConnInfo.ConnectionNameLength = ConnectionName.Length;
RtlCopyMemory( &(Request->Parameters.GetConnInfo.ConnectionName[0]),
ConnectionBuffer,
ConnectionName.Length );
RequestSize = sizeof( Request->Parameters.GetConnInfo ) + ConnectionName.Length;
Reply = ((PBYTE)Request) + RequestSize;
ReplyLen = BufferSize - RequestSize;
ntstatus = NtFsControlFile( hRdr,
NULL,
NULL,
NULL,
&IoStatusBlock,
FSCTL_NWR_GET_CONN_INFO,
(PVOID) Request,
RequestSize,
(PVOID) Reply,
ReplyLen );
if ( !NT_SUCCESS( ntstatus ) ) {
goto ExitWithClose;
}
//
// Print out the CONN_INFO that is in the reply buffer.
//
pConnInfo = (PCONN_INFORMATION) Reply;
Name.Length = Name.MaximumLength = (USHORT) pConnInfo->HostServerLength;
Name.Buffer = pConnInfo->HostServer;
printf( "Host Server: %wZ\n", &Name );
Name.Length = Name.MaximumLength = (USHORT) pConnInfo->UserNameLength;
Name.Buffer = pConnInfo->UserName;
printf( "User Name: %wZ\n", &Name );
ExitWithClose:
LocalFree( Request );
NtClose( hRdr );
return ntstatus;
}
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