134 lines
2.6 KiB
C
134 lines
2.6 KiB
C
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/***
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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GetUser.c
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Abstract:
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This is the command line NDS utility for getting the
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user name used to log into a specified tree or server.
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Author:
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Cory West [corywest] 25-Oct-95
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***/
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#include "ndsapi32.h"
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int
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_cdecl main(
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int argc,
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char **argv
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) {
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NTSTATUS ntstatus;
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IO_STATUS_BLOCK IoStatusBlock;
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OBJECT_ATTRIBUTES ObjectAttributes;
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ACCESS_MASK DesiredAccess = SYNCHRONIZE | FILE_LIST_DIRECTORY;
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HANDLE hRdr;
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WCHAR DevicePreamble[] = L"\\Device\\Nwrdr\\";
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UINT PreambleLength = 14;
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WCHAR NameStr[64];
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UNICODE_STRING OpenName;
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UINT i;
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OEM_STRING OemArg;
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UNICODE_STRING NdsTree;
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WCHAR TreeBuffer[64];
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WCHAR Reply[64];
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//
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// Check the arguments.
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//
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if ( argc != 2 ) {
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printf( "Usage: getuser [tree | server]\n" );
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return -1;
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}
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//
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// Copy over the preamble.
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//
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OpenName.MaximumLength = sizeof( NameStr );
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for ( i = 0; i < PreambleLength ; i++ )
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NameStr[i] = DevicePreamble[i];
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//
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// Convert the argument name to unicode.
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//
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OemArg.Length = strlen( argv[1] );
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OemArg.MaximumLength = OemArg.Length;
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OemArg.Buffer = argv[1];
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NdsTree.Length = 0;
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NdsTree.MaximumLength = sizeof( TreeBuffer );
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NdsTree.Buffer = TreeBuffer;
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RtlOemStringToUnicodeString( &NdsTree, &OemArg, FALSE );
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//
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// Copy the server or tree name.
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//
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for ( i = 0 ; i < ( NdsTree.Length / sizeof( WCHAR ) ) ; i++ ) {
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NameStr[i + PreambleLength] = NdsTree.Buffer[i];
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}
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OpenName.Length = ( i * sizeof( WCHAR ) ) +
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( PreambleLength * sizeof( WCHAR ) );
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OpenName.Buffer = NameStr;
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//
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// Set up the object attributes.
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//
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InitializeObjectAttributes( &ObjectAttributes,
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&OpenName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL );
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ntstatus = NtOpenFile( &hRdr,
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DesiredAccess,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_VALID_FLAGS,
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FILE_SYNCHRONOUS_IO_NONALERT );
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if ( !NT_SUCCESS(ntstatus) )
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return ntstatus;
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ntstatus = NtFsControlFile( hRdr,
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NULL,
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NULL,
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NULL,
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&IoStatusBlock,
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FSCTL_NWR_GET_USERNAME,
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(PVOID) TreeBuffer,
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NdsTree.Length,
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(PVOID) Reply,
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sizeof( Reply ) );
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if ( NT_SUCCESS( ntstatus )) {
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NdsTree.Length = (USHORT)IoStatusBlock.Information;
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NdsTree.MaximumLength = NdsTree.Length;
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NdsTree.Buffer = Reply;
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printf( "%wZ", &NdsTree );
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}
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NtClose( hRdr );
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return ntstatus;
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}
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