/* Editor Settings: expandtabs and use 4 spaces for indentation
 * ex: set softtabstop=4 tabstop=8 expandtab shiftwidth=4: *
 * -*- mode: c, c-basic-offset: 4 -*- */

/*
 * Copyright Likewise Software
 * All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the license, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
 * General Public License for more details.  You should have received a copy
 * of the GNU Lesser General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 *
 * LIKEWISE SOFTWARE MAKES THIS SOFTWARE AVAILABLE UNDER OTHER LICENSING
 * TERMS AS WELL.  IF YOU HAVE ENTERED INTO A SEPARATE LICENSE AGREEMENT
 * WITH LIKEWISE SOFTWARE, THEN YOU MAY ELECT TO USE THE SOFTWARE UNDER THE
 * TERMS OF THAT SOFTWARE LICENSE AGREEMENT INSTEAD OF THE TERMS OF THE GNU
 * LESSER GENERAL PUBLIC LICENSE, NOTWITHSTANDING THE ABOVE NOTICE.  IF YOU
 * HAVE QUESTIONS, OR WISH TO REQUEST A COPY OF THE ALTERNATE LICENSING
 * TERMS OFFERED BY LIKEWISE SOFTWARE, PLEASE CONTACT LIKEWISE SOFTWARE AT
 * license@likewisesoftware.com
 */

/*
 * Copyright (C) Likewise Software. All rights reserved.
 *
 * Module Name:
 *
 *        provider.c
 *
 * Abstract:
 *
 *        Likewise Security and Authentication Subsystem (LSASS)
 *
 *        User Lookup and Management API
 *
 * Authors: Krishna Ganugapati (krishnag@likewisesoftware.com)
 *          Sriram Nambakam (snambakam@likewisesoftware.com)
 *          Kyle Stemen (kstemen@likewisesoftware.com)
 */
#include "client.h"

LSASS_API
DWORD
LsaProviderIoControl(
    IN HANDLE    hLsaConnection,
    IN PCSTR     pszProviderId,
    IN DWORD     dwIoControlCode,
    IN DWORD     dwInputBufferSize,
    IN PVOID     pInputBuffer,
    OUT OPTIONAL DWORD* pdwOutputBufferSize,
    OUT OPTIONAL PVOID* ppOutputBuffer
    )
{
    DWORD dwError = 0;
    DWORD dwOutputBufferSize = 0;
    PVOID pOutputBuffer = NULL;

    dwError = LsaTransactProviderIoControl(
                  hLsaConnection,
                  pszProviderId,
                  dwIoControlCode,
                  dwInputBufferSize,
                  pInputBuffer,
                  &dwOutputBufferSize,
                  &pOutputBuffer);
    BAIL_ON_LSA_ERROR(dwError);

    if ( pdwOutputBufferSize )
    {
        *pdwOutputBufferSize = dwOutputBufferSize;
    }
    if ( ppOutputBuffer )
    {
        *ppOutputBuffer = pOutputBuffer;
    }
    else
    {
        LwFreeMemory(pOutputBuffer);
    }

cleanup:

    return dwError;

error:

    if ( ppOutputBuffer )
    {
        *ppOutputBuffer = NULL;
    }
    if ( pdwOutputBufferSize )
    {
        *pdwOutputBufferSize = 0;
    }

    goto cleanup;
}