windows-nt/Source/XPSP1/NT/net/ias/providers/ntuser/auth/authbase.cpp

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2020-09-26 03:20:57 -05:00
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998, Microsoft Corp. All rights reserved.
//
// FILE
//
// AuthBase.cpp
//
// SYNOPSIS
//
// This file defines the class AuthBase.
//
// MODIFICATION HISTORY
//
// 02/12/1998 Original version.
// 03/27/1998 Prevent attribute leak when component fails to initialize.
//
///////////////////////////////////////////////////////////////////////////////
#include <ias.h>
#include <iasutil.h>
#include <sdoias.h>
#include <authbase.h>
HRESULT AuthBase::initialize() throw ()
{
return S_OK;
}
void AuthBase::finalize() throw ()
{
}
void AuthBase::onAccept(IASRequest& request, HANDLE token)
{
DWORD returnLength;
//////////
// Determine the needed buffer size.
//////////
BOOL success = GetTokenInformation(
token,
TokenGroups,
NULL,
0,
&returnLength
);
DWORD status = GetLastError();
// Should have failed with ERROR_INSUFFICIENT_BUFFER.
if (success || status != ERROR_INSUFFICIENT_BUFFER)
{
IASTraceFailure("GetTokenInformation", status);
_w32_issue_error(status);
}
//////////
// Allocate an attribute.
//////////
IASAttribute groups(true);
//////////
// Allocate a buffer to hold the TOKEN_GROUPS array.
//////////
groups->Value.OctetString.lpValue = (PBYTE)CoTaskMemAlloc(returnLength);
if (!groups->Value.OctetString.lpValue)
{
_com_issue_error(E_OUTOFMEMORY);
}
//////////
// Get the Token Groups info.
//////////
GetTokenInformation(
token,
TokenGroups,
groups->Value.OctetString.lpValue,
returnLength,
&groups->Value.OctetString.dwLength
);
//////////
// Set the id and type of the initialized attribute.
//////////
groups->dwId = IAS_ATTRIBUTE_TOKEN_GROUPS;
groups->Value.itType = IASTYPE_OCTET_STRING;
//////////
// Inject the Token-Groups into the request.
//////////
groups.store(request);
}