GetLocalUserList - возвращает список пользователей (Windows NT, Windows 2000)



unit Func;

interface

uses Sysutils, Classes, Stdctrls, Comctrls, Graphics, Windows;

////////////////////////////////////////////////////////////////////////////////
{$EXTERNALSYM NetUserEnum}
function NetUserEnum(servername: LPWSTR;

level,
filter: DWORD;
bufptr: Pointer;
prefmaxlen: DWORD;
entriesread,
totalentries,
resume_handle: LPDWORD): DWORD; stdcall;
external 'NetApi32.dll' Name 'NetUserEnum';

function NetApiBufferFree(Buffer: Pointer {LPVOID}): DWORD; stdcall;

external 'NetApi32.dll' Name 'NetApiBufferFree';
////////////////////////////////////////////////////////////////////////////////

procedure GetLocalUserList(ulist: TStringList);

implementation

//------------------------------------------------------------------------------
// возвращает список пользователей локального хоста
//------------------------------------------------------------------------------

procedure GetLocalUserList(ulist: TStringList);
const

NERR_SUCCESS = 0;
FILTER_TEMP_DUPLICATE_ACCOUNT = $0001;
FILTER_NORMAL_ACCOUNT = $0002;
FILTER_PROXY_ACCOUNT = $0004;
FILTER_INTERDOMAIN_TRUST_ACCOUNT = $0008;
FILTER_WORKSTATION_TRUST_ACCOUNT = $0010;
FILTER_SERVER_TRUST_ACCOUNT = $0020;

type

TUSER_INFO_10 = record
usri10_name,
usri10_comment,
usri10_usr_comment,
usri10_full_name: PWideChar;
end;
PUSER_INFO_10 = ^TUSER_INFO_10;

var

dwERead, dwETotal, dwRes, res: DWORD;
inf: PUSER_INFO_10;
info: Pointer;
p: PChar;
i: Integer;
begin

if ulist = nil then
Exit;
ulist.Clear;

info := nil;
dwRes := 0;
res := NetUserEnum(nil,
10,
FILTER_NORMAL_ACCOUNT,
@info,
65536,
@dwERead,
@dwETotal,
@dwRes);
if (res <> NERR_SUCCESS) or (info = nil) then
Exit;
p := PChar(info);
for i := 0 to dwERead - 1 do
begin
inf := PUSER_INFO_10(p + i * SizeOf(TUSER_INFO_10));
ulist.Add(WideCharToString(PWideChar((inf^).usri10_name)));
end;

NetApiBufferFree(info);
end;

end.