/* 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 program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program 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 General Public License
 * for more details.  You should have received a copy of the GNU 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
 * 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:
 *
 *        diruser.c
 *
 * Abstract:
 *
 *
 *      Likewise Directory Wrapper Interface
 *
 *      User Password Change Routines
 *
 * Authors: Krishna Ganugapati (krishnag@likewisesoftware.com)
 *
 */
#include "includes.h"

DWORD
DirectorySetPassword(
    HANDLE hDirectory,
    PWSTR  pwszUserDN,
    PWSTR  pwszPassword
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectorySetPassword(
                    pContext->hBindHandle,
                    pwszUserDN,
                    pwszPassword);

error:

    return dwError;
}

DWORD
DirectoryChangePassword(
    HANDLE hDirectory,
    PWSTR  pwszUserDN,
    PWSTR  pwszOldPassword,
    PWSTR  pwszNewPassword
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryChangePassword(
                    pContext->hBindHandle,
                    pwszUserDN,
                    pwszOldPassword,
                    pwszNewPassword);

error:

    return dwError;
}

DWORD
DirectoryVerifyPassword(
    HANDLE hDirectory,
    PWSTR  pwszUserDN,
    PWSTR  pwszPassword
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryVerifyPassword(
                    pContext->hBindHandle,
                    pwszUserDN,
                    pwszPassword);

error:

    return dwError;
}

DWORD
DirectoryGetGroupMembers(
    HANDLE            hDirectory,
    PWSTR             pwszGroupDN,
    PWSTR             pwszAttrs[],
    PDIRECTORY_ENTRY* ppDirectoryEntries,
    PDWORD            pdwNumEntries
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryGetGroupMembers(
                    pContext->hBindHandle,
                    pwszGroupDN,
                    pwszAttrs,
                    ppDirectoryEntries,
                    pdwNumEntries);

error:

    return dwError;
}

DWORD
DirectoryGetMemberships(
    HANDLE            hDirectory,
    PWSTR             pwszUserDN,
    PWSTR             pwszAttrs[],
    PDIRECTORY_ENTRY* ppDirectoryEntries,
    PDWORD            pdwNumEntries
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryGetMemberships(
                    pContext->hBindHandle,
                    pwszUserDN,
                    pwszAttrs,
                    ppDirectoryEntries,
                    pdwNumEntries);

error:

    return dwError;
}

DWORD
DirectoryAddToGroup(
    HANDLE            hDirectory,
    PWSTR             pwszGroupDN,
    PDIRECTORY_ENTRY  pAddMemberEntry
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;
    PDIRECTORY_ENTRY pEntries = NULL;
    PDIRECTORY_ENTRY pEntry = NULL;
    WCHAR wszAttrDn[] = DIRECTORY_ATTR_DISTINGUISHED_NAME;
    DWORD iEntry = 0;
    DWORD dwNumEntries = 0;
    PWSTR pwszAddMemberDn = NULL;
    PWSTR pwszMemberDn = NULL;

    PWSTR wszAttributes[] = {
        wszAttrDn,
        NULL
    };

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    /*
     * First, check if this member is already in the group.
     */
    dwError = DirectoryGetGroupMembers(
                    hDirectory,
                    pwszGroupDN,
                    wszAttributes,
                    &pEntries,
                    &dwNumEntries);
    BAIL_ON_DIRECTORY_ERROR(dwError);

    if (dwNumEntries > 0)
    {
        dwError = DirectoryGetEntryAttrValueByName(
                        pAddMemberEntry,
                        wszAttrDn,
                        DIRECTORY_ATTR_TYPE_UNICODE_STRING,
                        &pwszAddMemberDn);
        BAIL_ON_DIRECTORY_ERROR(dwError);

        for (iEntry = 0; iEntry < dwNumEntries; iEntry++)
        {
            pEntry = &pEntries[iEntry];

            dwError = DirectoryGetEntryAttrValueByName(
                            pEntry,
                            wszAttrDn,
                            DIRECTORY_ATTR_TYPE_UNICODE_STRING,
                            &pwszMemberDn);
            BAIL_ON_DIRECTORY_ERROR(dwError);

            if (LwRtlWC16StringIsEqual(pwszMemberDn,
                                       pwszAddMemberDn,
                                       FALSE))
            {
                dwError = ERROR_MEMBER_IN_ALIAS;
                BAIL_ON_DIRECTORY_ERROR(dwError);
            }
        }
    }

    /*
     * Add the new member to the group
     */
    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryAddToGroup(
                    pContext->hBindHandle,
                    pwszGroupDN,
                    pAddMemberEntry);

error:
    if (pEntries)
    {
        DirectoryFreeEntries(pEntries, dwNumEntries);
    }

    return dwError;
}

DWORD
DirectoryRemoveFromGroup(
    HANDLE            hDirectory,
    PWSTR             pwszGroupDN,
    PDIRECTORY_ENTRY  pDelMemberEntry
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hDirectory;
    PDIRECTORY_ENTRY pEntries = NULL;
    PDIRECTORY_ENTRY pEntry = NULL;
    WCHAR wszAttrDn[] = DIRECTORY_ATTR_DISTINGUISHED_NAME;
    DWORD iEntry = 0;
    DWORD dwNumEntries = 0;
    PWSTR pwszDelMemberDn = NULL;
    PWSTR pwszMemberDn = NULL;
    BOOLEAN bFound = FALSE;

    PWSTR wszAttributes[] = {
        wszAttrDn,
        NULL
    };

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    /*
     * First, check if this member is in the group.
     */
    dwError = DirectoryGetGroupMembers(
                    hDirectory,
                    pwszGroupDN,
                    wszAttributes,
                    &pEntries,
                    &dwNumEntries);
    BAIL_ON_DIRECTORY_ERROR(dwError);

    if (dwNumEntries > 0)
    {
        dwError = DirectoryGetEntryAttrValueByName(
                        pDelMemberEntry,
                        wszAttrDn,
                        DIRECTORY_ATTR_TYPE_UNICODE_STRING,
                        &pwszDelMemberDn);
        BAIL_ON_DIRECTORY_ERROR(dwError);

        for (iEntry = 0; !bFound && iEntry < dwNumEntries; iEntry++)
        {
            pEntry = &pEntries[iEntry];

            dwError = DirectoryGetEntryAttrValueByName(
                            pEntry,
                            wszAttrDn,
                            DIRECTORY_ATTR_TYPE_UNICODE_STRING,
                            &pwszMemberDn);
            BAIL_ON_DIRECTORY_ERROR(dwError);

            if (LwRtlWC16StringIsEqual(pwszMemberDn,
                                       pwszDelMemberDn,
                                       FALSE))
            {
                bFound = TRUE;
            }
        }
    }

    if (!bFound)
    {
        dwError = ERROR_MEMBER_NOT_IN_ALIAS;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    /*
     * Delete the member from the group
     */
    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryRemoveFromGroup(
                    pContext->hBindHandle,
                    pwszGroupDN,
                    pDelMemberEntry);

error:
    if (pEntries)
    {
        DirectoryFreeEntries(pEntries, dwNumEntries);
    }

    return dwError;
}

DWORD
DirectoryGetUserCount(
    HANDLE hBindHandle,
    PDWORD pdwNumUsers
    )
{
    DWORD dwError = 0;
    PDIRECTORY_CONTEXT pContext = (PDIRECTORY_CONTEXT)hBindHandle;

    if (!pContext || !pContext->pProvider)
    {
        dwError = LW_ERROR_INVALID_PARAMETER;
        BAIL_ON_DIRECTORY_ERROR(dwError);
    }

    dwError = pContext->pProvider->pProviderFnTbl->pfnDirectoryGetUserCount(
                    pContext->hBindHandle,
                    pdwNumUsers);

error:

    return dwError;
}


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