/* Editor Settings: expandtabs and use 4 spaces for indentation
 * ex: set softtabstop=4 tabstop=8 expandtab shiftwidth=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
 */

#include "includes.h"


DWORD
NetGetHostInfo(
    PSTR* ppszHostname
    )
{
    DWORD dwError = ERROR_SUCCESS;
    NTSTATUS ntStatus = STATUS_SUCCESS;
    CHAR szBuffer[256];
    PSTR pszLocal = NULL;
    PSTR pszDot = NULL;
    size_t len = 0;
    PSTR pszHostname = NULL;

    *ppszHostname = NULL;

    if (gethostname(szBuffer, sizeof(szBuffer)) != 0)
    {
        dwError = ErrnoToWin32Error(errno);
        BAIL_ON_WIN_ERROR(dwError);
    }

    len = strlen(szBuffer);
    if (len > strlen(".local"))
    {
        pszLocal = &szBuffer[len - strlen(".local")];
        if (!strcasecmp(pszLocal, ".local"))
        {
            pszLocal[0] = '\0';
        }
    }

    /* Test to see if the name is still dotted. If so we will chop it down to
       just the hostname field. */
    pszDot = strchr(szBuffer, '.');
    if ( pszDot )
    {
        pszDot[0] = '\0';
    }

    len = strlen(szBuffer) + 1;
    ntStatus = NetAllocateMemory(OUT_PPVOID(&pszHostname), len);
    BAIL_ON_NT_STATUS(ntStatus);

    memcpy((void *)pszHostname, szBuffer, len);

    if (ppszHostname)
    {
        *ppszHostname = pszHostname;
        pszHostname = NULL;
    }

cleanup:

    if (pszHostname)
    {
        NetFreeMemory(pszHostname);
    }

    if (dwError == ERROR_SUCCESS &&
        ntStatus != STATUS_SUCCESS)
    {
        dwError = NtStatusToWin32Error(ntStatus);
    }

    return dwError;

error:
    goto cleanup;
}


/*
local variables:
mode: c
c-basic-offset: 4
indent-tabs-mode: nil
tab-width: 4
end:
*/
