/* Editor Settings: expandtabs and use 4 spaces for indentation
 * ex: set softtabstop=4 tabstop=8 expandtab shiftwidth=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:
 *
 *        net_localgroupadd.c
 *
 * Abstract:
 *
 *        Remote Procedure Call (RPC) Client Interface
 *
 *        NetLocalGroupAdd function
 *
 * Authors: Rafal Szczesniak (rafal@likewise.com)
 */

#include "includes.h"


NET_API_STATUS
NetLocalGroupAdd(
    PCWSTR  pwszHostname,
    DWORD   dwLevel,
    PVOID   pBuffer,
    PDWORD  pdwParmErr
    )
{
    const DWORD dwDomainAccessRights = DOMAIN_ACCESS_CREATE_ALIAS;
    const DWORD dwAliasAccessRights = ALIAS_ACCESS_LOOKUP_INFO |
                                      ALIAS_ACCESS_SET_INFO;

    NTSTATUS status = STATUS_SUCCESS;
    WINERR err = ERROR_SUCCESS;
    NetConn *pConn = NULL;
    handle_t hSamrBinding = NULL;
    DOMAIN_HANDLE hDomain = NULL;
    ACCOUNT_HANDLE hAlias = NULL;
    PWSTR pwszAliasname = NULL;
    PWSTR pwszComment = NULL;
    PLOCALGROUP_INFO_0 pInfo0 = NULL;
    PLOCALGROUP_INFO_1 pInfo1 = NULL;
    DWORD dwRid = 0;
    AliasInfo Info;
    PIO_CREDS pCreds = NULL;

    memset(&Info, 0, sizeof(Info));

    BAIL_ON_INVALID_PTR(pBuffer);

    status = LwIoGetActiveCreds(NULL, &pCreds);
    BAIL_ON_NTSTATUS_ERROR(status);

    status = NetConnectSamr(&pConn,
                            pwszHostname,
                            dwDomainAccessRights,
                            0,
                            pCreds);
    BAIL_ON_NTSTATUS_ERROR(status);

    switch (dwLevel) {
    case 0:
        pInfo0 = (PLOCALGROUP_INFO_0)pBuffer;

        err = LwAllocateWc16String(&pwszAliasname,
                                   pInfo0->lgrpi0_name);
        BAIL_ON_WINERR_ERROR(err);
        break;
    case 1:
        pInfo1 = (PLOCALGROUP_INFO_1)pBuffer;

        err = LwAllocateWc16String(&pwszAliasname,
                                   pInfo1->lgrpi1_name);
        BAIL_ON_WINERR_ERROR(err);

        err = LwAllocateWc16String(&pwszComment,
                                   pInfo1->lgrpi1_comment);
        BAIL_ON_WINERR_ERROR(err);
        break;

    default:
        err = ERROR_INVALID_LEVEL;
        BAIL_ON_WINERR_ERROR(err);
    }

    hSamrBinding = pConn->samr.bind;
    hDomain      = pConn->samr.hDomain;

    status = SamrCreateDomAlias(hSamrBinding,
                                hDomain,
                                pwszAliasname,
                                dwAliasAccessRights,
                                &hAlias,
                                &dwRid);
    BAIL_ON_NTSTATUS_ERROR(status);

    if (pwszComment)
    {
        err = LwAllocateUnicodeStringFromWc16String(
                                  (PUNICODE_STRING)&Info.description,
                                  pwszComment);

        status = SamrSetAliasInfo(hSamrBinding,
                                  hAlias,
                                  ALIAS_INFO_DESCRIPTION,
                                  &Info);
        BAIL_ON_NTSTATUS_ERROR(status);
    }

    status = SamrClose(hSamrBinding, hAlias);
    BAIL_ON_NTSTATUS_ERROR(status);

    if (pdwParmErr)
    {
        *pdwParmErr = 0;
    }

cleanup:
    /* FreeUnicodeString is NULL-proof */
    FreeUnicodeString(&Info.description);

    LW_SAFE_FREE_MEMORY(pwszAliasname);
    LW_SAFE_FREE_MEMORY(pwszComment);

    if (err == ERROR_SUCCESS &&
        status != STATUS_SUCCESS)
    {
        err = NtStatusToWin32Error(status);
    }

    if (pCreds)
    {
        LwIoDeleteCreds(pCreds);
    }

    return err;

error:
    goto cleanup;
}


/*
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*/