/* 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    2004-2008
 * 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:
 *
 *        session.c
 *
 * Abstract:
 *
 *        Likewise Security and Authentication Subsystem (LSASS)
 *
 *        Login Session API
 *
 * Authors: Krishna Ganugapati (krishnag@likewisesoftware.com)
 *          Sriram Nambakam (snambakam@likewisesoftware.com)
 */
#include "client.h"

LSASS_API
DWORD
LsaOpenSession(
    HANDLE hLsaConnection,
    PCSTR  pszLoginId
    )
{
    DWORD dwError = 0;
    PLSA_CLIENT_CONNECTION_CONTEXT pContext =
                     (PLSA_CLIENT_CONNECTION_CONTEXT)hLsaConnection;
    PLSA_IPC_ERROR pError = NULL;

    LWMsgMessage request = LWMSG_MESSAGE_INITIALIZER;
    LWMsgMessage response = LWMSG_MESSAGE_INITIALIZER;

    BAIL_ON_INVALID_HANDLE(hLsaConnection);
    BAIL_ON_INVALID_STRING(pszLoginId);

    request.tag = LSA_Q_OPEN_SESSION;
    request.object = (PVOID)pszLoginId;

    dwError = MAP_LWMSG_ERROR(lwmsg_assoc_send_message_transact(
                              pContext->pAssoc,
                              &request,
                              &response));
    BAIL_ON_LSA_ERROR(dwError);

    switch (response.tag)
    {
        case LSA_R_OPEN_SESSION_SUCCESS:
            // response.object == NULL
            break;
        case LSA_R_OPEN_SESSION_FAILURE:
            pError = (PLSA_IPC_ERROR) response.object;
            dwError = pError->dwError;
            BAIL_ON_LSA_ERROR(dwError);
            break;
        default:
            dwError = EINVAL;
            BAIL_ON_LSA_ERROR(dwError);
    }

cleanup:
    return dwError;

error:
    if (response.object)
    {
        lwmsg_assoc_free_message(pContext->pAssoc, &response);
    }

    goto cleanup;
}

LSASS_API
DWORD
LsaCloseSession(
    HANDLE hLsaConnection,
    PCSTR  pszLoginId
    )
{
    DWORD dwError = 0;
    PLSA_CLIENT_CONNECTION_CONTEXT pContext =
                     (PLSA_CLIENT_CONNECTION_CONTEXT)hLsaConnection;
    PLSA_IPC_ERROR pError = NULL;

    LWMsgMessage request = LWMSG_MESSAGE_INITIALIZER;
    LWMsgMessage response = LWMSG_MESSAGE_INITIALIZER;

    request.tag = LSA_Q_CLOSE_SESSION;
    request.object = (PVOID)pszLoginId;

    dwError = MAP_LWMSG_ERROR(lwmsg_assoc_send_message_transact(
                              pContext->pAssoc,
                              &request,
                              &response));
    BAIL_ON_LSA_ERROR(dwError);

    switch (response.tag)
    {
        case LSA_R_CLOSE_SESSION_SUCCESS:
            // response.object == NULL
            break;
        case LSA_R_CLOSE_SESSION_FAILURE:
            pError = (PLSA_IPC_ERROR) response.object;
            dwError = pError->dwError;
            BAIL_ON_LSA_ERROR(dwError);
            break;
        default:
            dwError = EINVAL;
            BAIL_ON_LSA_ERROR(dwError);
    }

cleanup:
    return dwError;

error:
    if (response.object)
    {
        lwmsg_assoc_free_message(pContext->pAssoc, &response);
    }

    goto cleanup;
}