<?php
/*
 * This code is part of GOsa (http://www.gosa-project.org)
 * Copyright (C) 2003-2008 GONICUS GmbH
 *
 * ID: $$Id$$
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

class group extends plugin
{
    /* Group attributes */
    var $cn= "";
    var $description= "";
    var $gidNumber= "";
    var $memberUid= array();
    var $memberUid_used_by_some= array();

    /* Helpers */
    var $base= "";
    var $force_gid= FALSE;
    var $fon_group= FALSE;
    var $smbgroup= FALSE;
    var $groupType= FALSE;
    var $sambaSID= "";
    var $sambaDomainName= "DEFAULT";
    var $SID= "";
    var $ridBase= 0;
    var $members= array();
    var $users= array();
    var $member= array();
    var $allusers= array();
    var $saved_gidNumber= "";
    var $oldgroupType= "";
    var $orig_dn= "";
    var $orig_cn= "";
    var $orig_base= "";
    var $has_mailAccount= FALSE;
    var $userSelect= FALSE;
    var $nagios_group =FALSE;
    var $sambaGroupType;
    var $dialog;
    var $rfc2307bis= FALSE;
    var $OnlyShowFirstEntries =200;
    var $dnMapping= array();
    var $view_logged = FALSE;
    var $allowGroupsWithSameNameInOtherSubtrees = true;
    var $baseSelector;

    /* attribute list for save action */
    var $attributes= array("cn", "description", "gidNumber","memberUid","sambaGroupType","sambaSID");
    var $objectclasses= array("top", "posixGroup");

    var $CopyPasteVars  = array("force_gid","fon_group","smbgroup","groupType","sambaSID","sambaDomainName","SID","nagios_group","sambaGroupType");

    var $multiple_support = TRUE;


    // Lists 
    private $memberList;    // Single group editing
    private $commonList;    // (Multiple support active)
    private $partialList;   // (Multiple support active)


    function group (&$config, $dn= NULL)
    {
        /* Set rfc2307bis flag */
        if ($config->get_cfg_value("core","rfc2307bis") == "true"){
            $this->rfc2307bis= TRUE;
            $this->attributes[]= "member";
            $this->objectclasses[]= "groupOfNames";
        }

        plugin::plugin ($config, $dn);

        $this->trustModeDialog = new trustModeDialog($this->config, $this->dn,NULL);
        $this->trustModeDialog->setAcl('groups/group');

        /* Load attributes depending on the samba version */
        $this->orig_dn= $dn;
        $this->orig_cn= $this->cn;

        /* Get member list */
        if (isset($this->attrs['memberUid'][0])){
            $tmp= array();
            for ($i= 0; $i<$this->attrs['memberUid']['count']; $i++){
                $tmp[$this->attrs['memberUid'][$i]]= $this->attrs['memberUid'][$i];
            }
            $this->memberUid= $tmp;
            ksort ($this->memberUid);
        }

        /* Save gidNumber for later use */
        if (isset($this->attrs['gidNumber'])){
            $this->saved_gidNumber= $this->attrs['gidNumber'][0];
        }

        /* Is a samba group? */
        if (isset($this->attrs['objectClass'])){
            if (array_search ('sambaGroupMapping', $this->attrs['objectClass']) == FALSE ){
                $this->smbgroup= FALSE;
            } else {
                $this->smbgroup= TRUE;
                if (isset($this->attrs['sambaSID'])){
                    $this->sambaSID= $this->attrs['sambaSID'][0];
                }
            }
            if (array_search ('goFonPickupGroup', $this->attrs['objectClass']) == FALSE ){
                $this->fon_group= FALSE;
            } else {
                $this->fon_group= TRUE;
            }
            if (array_search ('nagiosContactGroup', $this->attrs['objectClass']) == FALSE ){
                $this->nagios_group= FALSE;
            } else {
                $this->nagios_group= TRUE;
            }
        }

        /* Set mail flag */
        if (isset($this->attrs['objectClass']) && in_array_strict('gosaMailAccount', $this->attrs['objectClass'])){
            $this->has_mailAccount= TRUE;
        }

        /* Get samba Domain in case of samba 3 */
        if ($this->sambaSID != ""){
            $this->SID= preg_replace ("/-[^-]+$/", "", $this->sambaSID);
            $ldap= $this->config->get_ldap_link();
            $ldap->cd($this->config->current['BASE']);
            $ldap->search ("(&(objectClass=sambaDomain)(sambaSID=$this->SID))",array("sambaAlgorithmicRidBase"));
            if ($ldap->count() != 0){
                $attrs= $ldap->fetch();
                if(isset($attrs['sambaAlgorithmicRidBase'])){  
                    $this->ridBase= $attrs['sambaAlgorithmicRidBase'][0];  
                } else {  
                    $this->ridBase= $this->config->get_cfg_value("core","sambaRidBase");
                } 

                /* Get domain name for SID */
                $this->sambaDomainName= "DEFAULT";
                foreach ($this->config->data['SERVERS']['SAMBA'] as $key => $val){
                    if ($val['SID'] == $this->SID){
                        $this->sambaDomainName= $key;
                        break;
                    }
                }
            } else {
                if ($this->config->get_cfg_value("core","sambaRidBase") != ""){
                    $this->sambaDomainName= "DEFAULT";
                    $this->ridBase= $this->config->get_cfg_value("core","sambaRidBase");
                    $this->SID= $this->config->get_cfg_value("core","sambaSID");
                } else {
                    msg_dialog::display(_("Configuration error"), _("Cannot find group SID in your configuration!"), ERROR_DIALOG);
                }
            }

            /* Get group type */
            $this->groupType= (int)substr(strrchr($this->sambaSID, "-"), 1);
            if ($this->groupType < 500 || $this->groupType > 553){
                $this->groupType= 0;
            }
            $this->oldgroupType= $this->groupType;
        }

        if ($this->dn == "new"){
            if(session::is_set('CurrentMainBase')){
                $this->base = session::get('CurrentMainBase');
            }else{
                $ui= get_userinfo();
                $this->base= dn2base($ui->dn);
            }
        } else {

            /* Get object base */
            $this->base =preg_replace ("/^[^,]+,".preg_quote(get_groups_ou(), '/')."/i","",$this->dn);
        }
        $this->orig_base = $this->base;

        /* This is always an account */
        $this->is_account= TRUE;

        /* Instanciate base selector */
        $this->baseSelector= new baseSelector($this->get_allowed_bases(), $this->base);
        $this->baseSelector->setSubmitButton(false);
        $this->baseSelector->setHeight(300);
        $this->baseSelector->update(true);


        // Prepare lists
        $this->memberList = new sortableListing();
        $this->memberList->setDeleteable(true);
        $this->memberList->setInstantDelete(true);
        $this->memberList->setEditable(false);
        $this->memberList->setWidth("100%");
        $this->memberList->setHeight("300px");
        $this->memberList->setHeader(array('~',_("Given name"),_("Surname"),_("UID")));
        $this->memberList->setColspecs(array('20px','*','*','*','20px'));
        $this->memberList->setDefaultSortColumn(1);

        $this->reload(TRUE);
    }

    function execute()
    {
        /* Call parent execute */
        plugin::execute();

        /* Log view */
        if($this->is_account && !$this->view_logged){
            $this->view_logged = TRUE;
            new log("view","groups/".get_class($this),$this->dn);
        }

        /* Do we represent a valid group? */
        if (!$this->is_account && $this->parent === NULL){
            $display= "<img alt=\"\" src=\"images/small-error.png\" align=\"middle\">&nbsp;<b>".msgPool::noValidExtension()."</b>";
            return ($display);
        }

        // Act on list events 
        foreach(array('memberList','commonList','partialList') as $list){

            // Check if list is available, depends on multi- or sinlge- group editing. 
            if($this->$list){
                $this->$list->save_object();
                $action = $this->$list->getAction();
                if($action['action'] == 'delete' && preg_match("/w/",$this->getacl("memberUid"))){
                    foreach ($action['targets'] as $id){
                        $value = $this->$list->getKey($id);
                        unset ($this->members["$value"]);
                        $this->removeUser($value);
                    }
                    $this->reload();
                }
            }
        }

        /* Add objects? */
        if (isset($_POST["edit_membership"]) && preg_match("/w/",$this->getacl("memberUid"))){
            $this->userSelect= new userSelect($this->config, get_userinfo());
        }

        /* Add objects finished? */
        if (isset($_POST["add_users_cancel"])){
            $this->userSelect= NULL;
        }

        /* Add user to group */
        if (isset($_POST['add_users_finish']) && $this->userSelect){

            $users = $this->userSelect->detectPostActions();
            if(isset($users['targets'])){
                $headpage = $this->userSelect->getHeadpage();
                foreach($users['targets'] as $dn){
                    $attrs = $headpage->getEntry($dn);
                    $value = $attrs['uid'][0];
                    $this->addUser($value);
                    $this->members["$value"]= $this->allusers[$value];
                    $this->reload();
                }
            }
            $this->userSelect= NULL;
        }

        $smarty= get_smarty();

        // Handle trust mode dialog
        $this->dialog = FALSE;
        $trustModeDialog = $this->trustModeDialog->execute();
        if($this->trustModeDialog->trustSelect){
            $this->dialog = TRUE;
            return($trustModeDialog);
        }
        $smarty->assign("trustModeDialog" , $trustModeDialog);


        $smarty->assign("nagios", $this->config->pluginEnabled("nagiosAccount") && class_available("nagiosAccount"));
        $smarty->assign("pickupGroup", $this->config->pluginEnabled("phoneAccount") && class_available("phoneAccount"));

        /* Manage object add dialog */
        if ($this->userSelect){
            $this->dialog = TRUE;
            return($this->userSelect->execute());
        }

        /* Create base acls */
        $smarty->assign("base", $this->baseSelector->render());

        $domains= array();
        foreach($this->config->data['SERVERS']['SAMBA'] as $name => $content){
            $domains[$name]= $name;
        }
        $smarty->assign("sambaDomains",     set_post($domains));
        $smarty->assign("sambaDomainName",  set_post($this->sambaDomainName));
        $groupTypes= array(0 => _("Samba group"), 512 => _("Domain administrators"), 513 => _("Domain users"),
                514 => _("Domain guests"));

        /* Don't loose special groups! If not key'ed above, add it to
           the combo box... */	
        if ($this->groupType >= 500 && $this->groupType <= 553 && !isset($groupTypes[$this->groupType])){
            $groupTypes[$this->groupType]= sprintf(_("Special group (%d)"), $this->groupType);
        }

        $smarty->assign("groupTypes", set_post($groupTypes));
        $smarty->assign("groupType",  set_post($this->groupType));


        /* Members and users */
        if(!$this->multiple_support_active){
            $this->memberList->setAcl($this->getacl("memberUid"));
            $data = $lData = array();
            foreach($this->members as $uid => $member){
                $data[$uid] = $member;
                $givenName = $sn = _("Unknown");
                if(isset($member['sn'][0])) $sn = $member['sn'][0];
                if(isset($member['givenName'][0])) $givenName = $member['givenName'][0];
                $image = image('images/false.png');
                if(isset($member['sn'])){
                    $image = image('plugins/users/images/select_user.png');
                }
                $lData[$uid] = array('data' => array($image,$sn, $givenName, $uid));
            }
            $this->memberList->setListData($data,$lData);
            $this->memberList->update();
            $smarty->assign("memberList", $this->memberList->render());
        }else{

            $this->commonList->setAcl($this->getacl("memberUid"));
            $this->partialList->setAcl($this->getacl("memberUid"));

            $data = $lData = array();
            foreach($this->memberUid as $uid => $member){
                $member = $this->members[$member];
                $data[$uid] = $member;
                $givenName = $sn = _("Unknown");
                if(isset($member['sn'][0])) $sn = $member['sn'][0];
                if(isset($member['givenName'][0])) $givenName = $member['givenName'][0];
                $image = image('images/false.png');
                if(isset($member['sn'])){
                    $image = image('plugins/users/images/select_user.png');
                }
                $lData[$uid] = array('data' => array($image,$sn, $givenName, $uid));
            }
            $this->commonList->setListData($data,$lData);
            $this->commonList->update();
            $smarty->assign("commonList", $this->commonList->render());

            $data = $lData = array();
            foreach($this->memberUid_used_by_some as $uid => $member){
                $member = $this->members[$member];
                $data[$uid] = $member;
                $givenName = $sn = _("Unknown");
                if(isset($member['sn'][0])) $sn = $member['sn'][0];
                if(isset($member['givenName'][0])) $givenName = $member['givenName'][0];
                $image = image('images/false.png');
                if(isset($member['sn'])){
                    $image = image('plugins/users/images/select_user.png');
                }
                $lData[$uid] = array('data' => array($image,$sn, $givenName, $uid));
            }
            $this->partialList->setListData($data,$lData);
            $this->partialList->update();
            $smarty->assign("partialList", $this->partialList->render());
        }

        /* Checkboxes */
        foreach (array("force_gid", "smbgroup") as $val){
            if ($this->$val == "1"){
                $smarty->assign("$val", "checked");
            } else {
                $smarty->assign("$val", "");
            }
        }
        if ($this->force_gid != "1"){
            $smarty->assign("forceMode", "disabled");
        }else{
            $smarty->assign("forceMode", "");
        }
        if ($this->fon_group){
            $smarty->assign("fon_group", "checked");
        } else {
            $smarty->assign("fon_group", "");
        }

        if ($this->nagios_group){
            $smarty->assign("nagios_group", "checked");
        } else {
            $smarty->assign("nagios_group", "");
        }

        /* Fields */
        foreach (array("cn", "description", "gidNumber") as $val){
            $smarty->assign("$val", set_post($this->$val));
        }

        $tmp = $this->plInfo();
        foreach($tmp['plProvidedAcls'] as $name => $translation){
            $smarty->assign($name."ACL",$this->getacl($name));
        }

        if($this->acl_is_writeable("base")){
            $smarty->assign("baseSelect",true);
        }else{
            $smarty->assign("baseSelect",false);
        }

        /* Multiple edit handling */
        $smarty->assign("multiple_support",$this->multiple_support_active);

        foreach($this->attributes as $val){
            if(in_array_strict($val,$this->multi_boxes)){
                $smarty->assign("use_".$val,TRUE);
            }else{
                $smarty->assign("use_".$val,FALSE);
            }
        }
        foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group") as $val){
            if(in_array_strict($val,$this->multi_boxes)){
                $smarty->assign("use_".$val,TRUE);
            }else{
                $smarty->assign("use_".$val,FALSE);
            }
        }

        return($smarty->fetch (get_template_path('generic.tpl', TRUE)));
    }

    function addUser($uid)
    {
        /* In mutliple edit we have to handle two arrays.
         *  memberUid               : Containing users used in all groups
         *  memberUid_used_by_some  : Those which are not used in all groups
         * So we have to remove the given $uid from the ..used_by_some array first.
         */
        if($this->multiple_support_active){
            if(isset($this->memberUid_used_by_some[$uid])){
                unset($this->memberUid_used_by_some[$uid]);
            }
        }  

        /* Ensure that the requested object is known to the group class 
         */
        if(!isset($this->dnMapping[$uid])){
            $ldap = $this->config->get_ldap_link();
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(&(objectClass=gosaAccount)(uid=".$uid."))",array("dn", "uid","sn","givenName"));
            if($ldap->count() == 0 ){
                msg_dialog::display(_("Error"), 
                        sprintf(_("Adding UID '%s' to group '%s' failed: cannot find user object!"), 
                            $uid,$this->cn), 
                        ERROR_DIALOG);
                return;
            }elseif($ldap->count() >= 2){
                msg_dialog::display(_("Error"), 
                        sprintf(_("Add UID '%s' to group '%s' failed: UID is used more than once!"),
                            $uid,$this->cn), 
                        ERROR_DIALOG);
                return;
            }else{
                while($attrs = $ldap->fetch()){
                    $this->dnMapping[$attrs['uid'][0]] = $attrs['dn'];
                    $this->members[$attrs['uid'][0]] = $attrs;
                    $this->allusers[$attrs['uid'][0]]= $attrs;
                }
            }
        }
        
        $this->memberUid[$uid]= $uid;
        $this->reload();
    }


    function removeUser($uid)
    {
        $temp= array();
        if(isset($this->memberUid[$uid])){
            unset($this->memberUid[$uid]);
        }

        /* We have two array contianing group members in multiple edit.
         *  this->memberUid             : Groups used by all currently edited groups 
         *  this->memberUid_used_by_some: Used by some 
         * So we have to remove the specified uid from both arrays.
         */
        if($this->multiple_support_active){
            if(isset($this->memberUid_used_by_some[$uid])){
                unset($this->memberUid_used_by_some[$uid]);
            }
        }
    }

    /* Reload data */
    function reload($silent = FALSE)
    {
        /* Prepare ldap link */
        $ldap= $this->config->get_ldap_link();
        $ldap->cd($this->config->current['BASE']);


        /* Resolve still unresolved memberuids to fill the list with sn/giveName attributes 
           (Store gathered sn/givenName informations in $this->allusers too, 
           to be prepared when adding/deleting users)
         */    
        $filter = "";

    
        // Merge in partial uids in multiple edit
        $allUids = array_keys($this->memberUid);
        if($this->multiple_support_active) {
            $allUids = array_merge($allUids,  array_keys($this->memberUid_used_by_some));
        }

        // Do not request data for users we've already fetched before.
        foreach($allUids as $key => $uid){
            if(isset($this->dnMapping[$uid])) unset($allUids[$key]);
        }
        $allUids = array_values($allUids);

        // To resolve the usernames out of the 'uid' we've to perform ldap queries. 
        // To keep the amount of queries as short as possible, we combine the query 
        //  for 'sn','givenName','..' for serveral users in one single query:
        //      (|(uid=hans)(uid=peter)(uid=hubert)(..))
        // 
        // Unfortunately there is a filter length limit which causes the query to be invalid,
        //  we've to split these huge query again into shorter query strings. 
        // 
        // maxPerRound specifies the amount of queries we can combine into a 
        //  single query.
        $maxPerRound = $this->config->get_cfg_value("core","ldapFilterNestingLimit");
        if( $maxPerRound == "" ) {
            $maxPerRound = count($allUids);
        }

        for ( $added = 0; $added < count($allUids); $added += $maxPerRound ) {

            // First build the query....
            $start = $added;
            $end = $added + $maxPerRound;
            $filter = "";
            for ( $done = $start; $done < $end; $done++ ) {
                if(!isset($allUids[$done])) break;
                $value = $allUids[$done];
                $filter .= "(uid=".normalizeLdap($value).")";
            }

            // Retrieve the data to LDAP
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(&(objectClass=gosaAccount)(|".$filter."))",array("dn", "uid","sn","givenName"));
            while( $attrs = $ldap->fetch() ) {
                $this->dnMapping[$attrs['uid'][0]] = $attrs['dn'];
                $this->members[$attrs['uid'][0]] = $attrs;
                $this->allusers[$attrs['uid'][0]]= $attrs;
            }
        }

        /* check if all uids are resolved */
        foreach ($this->memberUid as $value){
            if(!isset($this->members[$value])){
                $this->members[$value] = "";
            }
        }  
    }


    /* Create display name, this was used so often that it is excluded into a seperate function */
    function createResultName($attrs)
    {
        if (isset($attrs["givenName"][0]) && isset($attrs["sn"][0])){
            $ret =  $attrs["sn"][0].", ".$attrs["givenName"][0]." [".$attrs["uid"][0]."]";
        } else {
            $ret= $attrs['uid'][0];
        }
        return($ret);
    }


    function remove_from_parent()
    {
        plugin::remove_from_parent();

        $ldap= $this->config->get_ldap_link();
        $ldap->rmdir($this->dn);
        if (!$ldap->success()){
            msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_DEL, get_class()));
        }

        new log("remove","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());

        /* Delete references to object groups */
        $ldap->cd ($this->config->current['BASE']);
        $ldap->search ("(&(objectClass=gosaGroupOfNames)(member=".LDAP::prepare4filter($this->dn)."))", array("cn"));
        while ($ldap->fetch()){
            $og= new ogroup($this->config, $ldap->getDN());
            unset($og->member[$this->dn]);
            $og->save ();
        }

        /* Remove ACL dependencies too,
         */
        $ldap = $this->config->get_ldap_link();
        $ldap->cd($this->config->current['BASE']);
        $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*".base64_encode($this->dn)."*))",array("gosaAclEntry","dn"));
        while($attrs = $ldap->fetch()){
            $acl = new acl($this->config,$this->parent,$attrs['dn']);
            foreach($acl->gosaAclEntry as $id => $entry){
                foreach($entry['members'] as $m_id => $member){
                    if($m_id == "G:".$this->dn || $m_id == "U:".$this->dn){
                        unset($acl->gosaAclEntry[$id]['members'][$m_id]);
                        gosa_log("modify","groups/acl",$attrs['dn'],array(),sprintf("Removed acl for %s on object %s.",$this->dn,$attrs['dn']));
                    }
                }
            }
            $acl->save();
        }

        /* Remove ACL dependencies, too */
        acl::remove_acl_for($this->dn);

        /* Send signal to the world that we've done */
        $this->handle_post_events("remove");
    }


    /* Save data to object */
    function save_object()
    {
        /* Save additional values for possible next step */
        if (isset($_POST['groupedit'])){

            /* Create a base backup and reset the 
               base directly after calling plugin::save_object();  
               Base will be set seperatly a few lines below */
            $base_tmp = $this->base;
            plugin::save_object();
            $this->trustModeDialog->save_object();
            $this->base = $base_tmp;

            /* Refresh base */
            if ($this->acl_is_moveable($this->base)){
                if (!$this->baseSelector->update()) {
                    msg_dialog::display(_("Error"), msgPool::permMove(), ERROR_DIALOG);
                }
                if ($this->base != $this->baseSelector->getBase()) {
                    $this->base= $this->baseSelector->getBase();
                    $this->is_modified= TRUE;
                }
            }

            $this->force_gid= 0;

            /* Only reset sambagroup flag if we are able to write this flag */
            if($this->acl_is_writeable("sambaGroupType")){
                $this->smbgroup = 0;
            }

            foreach (array(
                        "force_gid"  => "gidNumber", 
                        "smbgroup"   => "sambaGroupType") as $val => $aclname) {
                if ($this->acl_is_writeable($aclname)  && isset($_POST["$val"])){
                    $this->$val= get_post($val);
                }
            }

            /* Save sambaDomain attribute */
            if ($this->acl_is_writeable("sambaDomainName") && isset ($_POST['sambaDomainName'])){
                $this->sambaDomainName= get_post('sambaDomainName');
                $this->groupType= get_post('groupType');
            }

            /* Save fon attribute */
            if ($this->acl_is_writeable("fonGroup")){
                if (isset ($_POST['fon_group'])){
                    $this->fon_group= TRUE;
                } else {
                    $this->fon_group= FALSE;
                }
            }
            if ($this->acl_is_writeable("nagiosGroup")){
                if (isset ($_POST['nagios_group'])){
                    $this->nagios_group= TRUE;
                } else {
                    $this->nagios_group= FALSE;
                }
            }
        }
    }


    /* Save to LDAP */
    function save()
    {

        /* ID handling */
        if ($this->force_gid == 0){
            if ($this->saved_gidNumber != ""){
                $this->gidNumber= $this->saved_gidNumber;
            } else {
                /* Calculate new, lock uids */
                $wait= 10;
                while (get_lock("gidnumber") != ""){
                    sleep (1);

                    /* timed out? */
                    if ($wait-- == 0){
                        break;
                    }
                }
                add_lock ("gidnumber", "gosa");
                $this->gidNumber= get_next_id("gidNumber", $this->dn);
            }
        }

        plugin::save(); 

        /* Remove objectClass for samba/phone support */
        $tmp= array();
        for ($i= 0; $i<count($this->attrs["objectClass"]); $i++){
            if ($this->attrs['objectClass'][$i] != 'sambaGroupMapping' &&
                    $this->attrs['objectClass'][$i] != 'sambaIdmapEntry' &&
                    $this->attrs['objectClass'][$i] != 'goFonPickupGroup' &&
                    $this->attrs['objectClass'][$i] != 'nagiosContactGroup'){
                $tmp[]= $this->attrs['objectClass'][$i];
            }
        }
        $this->attrs['objectClass']= $tmp;
        $ldap= $this->config->get_ldap_link();

        /* Add samba group functionality */
        if ($this->smbgroup){

            /* Fixed undefined index ... 
             */ 
            $this->SID = $this->ridBase = "";
            if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'])){
                $this->SID    = $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['SID'];
            }else{
                msg_dialog::display(_("Error"), sprintf(_("Cannot find any SID for '%s'!"), $this->sambaDomainName), ERROR_DIALOG);
            }
            if(isset($this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE'])){
                $this->ridBase= $this->config->data['SERVERS']['SAMBA'][$this->sambaDomainName]['RIDBASE']; 
            }else{
                msg_dialog::display(_("Error"), sprintf(_("Cannot find any RIDBASE for '%s'!"), $this->sambaDomainName), ERROR_DIALOG);
            }

            $this->attrs['objectClass'][]= 'sambaGroupMapping';
            $this->attrs['sambaGroupType']= "2";

            /* Check if we need to create a special entry */
            if ($this->groupType == 0){

                if ($this->sambaSID == "" || $this->oldgroupType != $this->groupType){
                    $sid = $this->getSambaSID();
                    $this->attrs['sambaSID']= $sid;
                    $this->sambaSID= $sid;
                }

            } else {
                $this->attrs['sambaSID']=$this->SID."-".$this->groupType;
            }

            /* User wants me to fake the idMappings? This is useful for
               making winbind resolve the group names in a reasonable amount
               of time in combination with larger databases. */
            if ($this->config->boolValueIsTrue("core","sambaIdMapping")){
                $this->attrs['objectClass'][]= "sambaIdmapEntry";
            }

        }

        /* Add phone functionality */
        if ($this->fon_group){
            $this->attrs['objectClass'][]= "goFonPickupGroup";
        }

        /* Add nagios functionality */
        if ($this->nagios_group){
            $this->attrs['objectClass'][]= "nagiosContactGroup";
        }

        /* Take members array */
        if (count ($this->memberUid)){
            $this->attrs['memberUid']= array_values(array_unique($this->memberUid));
        }

        /* New accounts need proper 'dn', propagate it to remaining objects */
        if ($this->dn == 'new'){
            $this->dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
        }

        /* Add member dn's for RFC2307bis Support */
        if ($this->rfc2307bis){
            $this->attrs['member'] = array();
            if (count($this->memberUid)){
                foreach($this->attrs['memberUid'] as $uid) {

                    if(isset($this->dnMapping[$uid])){
                        $this->attrs['member'][]= $this->dnMapping[$uid];
                    }
                }
            } else {
                $this->attrs['member'][]= $this->dn;
            }
        }

        /* Save data. Using 'modify' implies that the entry is already present, use 'add' for
           new entries. So do a check first... */
        $ldap->cat ($this->dn, array('dn'));
        if ($ldap->fetch()){
            /* Modify needs array() to remove values :-( */
            if (!count ($this->memberUid)){
                $this->attrs['memberUid']= array();
            }
            if (!$this->smbgroup){
                $this->attrs['sambaGroupType']= array();
                $this->attrs['sambaSID']= array();
            }

            $mode= "modify";
        } else {
            $mode= "add";
            $ldap->cd($this->config->current['BASE']);
            $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
        }

        /* Check generated gidNumber, it may be used by another group. 
         */
        if($this->gidNumber != ""){
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(&(!(cn=".$this->orig_cn."))(objectClass=posixGroup)(gidNumber=".$this->gidNumber."))",array("cn"));
            if($ldap->count()){
                $cns = "";
                while($attrs = $ldap->fetch()){
                    $cns .= $attrs['cn'][0].", ";
                }
                $cns = rtrim($cns,", ");
                msg_dialog::display(_("Warning"),sprintf(_("The gidNumber '%s' is already in use by %s!"),$this->gidNumber,$cns) , WARNING_DIALOG );
            }
        }

        /* Write back to ldap */
        $ldap->cd($this->dn);
        $this->cleanup();
        $ldap->$mode($this->attrs);

        /* Remove ACL dependencies too,
         */
        if($this->dn != $this->orig_dn && $this->orig_dn != "new"){
            $tmp = new acl($this->config,$this->parent,$this->dn);
            $tmp->update_acl_membership($this->orig_dn,$this->dn);
        }

        if($this->initially_was_account){
            new log("modify","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
        }else{
            new log("create","groups/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
        }

        $ret= 0;
        if (!$ldap->success()){
            msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, 0, get_class()));
            $ret= 1;
        }

        $this->trustModeDialog->dn = $this->dn;
        $this->trustModeDialog->save();

        /* Remove uid lock */
        del_lock ("gidnumber");

        /* Post that we've done*/
        $this->handle_post_events($mode);

        return ($ret);
    }

    function check()
    {
        /* Call common method to give check the hook */
        $message= plugin::check();

        /* Permissions for that base? */
        if ($this->base != ""){
            $new_dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
        } else {
            $new_dn= $this->dn;
        }

        /* must: cn */
        if ($this->cn == "" && $this->acl_is_writeable("cn")){
            $message[]= msgPool::required(_("Name"));
        }

        // Check if a wrong base was supplied
        if(!$this->baseSelector->checkLastBaseUpdate()){
            $message[]= msgPool::check_base();;
        }

        /* Check for valid input */
        if (!tests::is_uid($this->cn)){
            if (strict_uid_mode()){
                $message[]= msgPool::invalid(_("Name"), $this->cn, "/[a-z0-9_-]/");
            } else {
                $message[]= msgPool::invalid(_("Name"), $this->cn, "/[a-z0-9 _.-]/i");
            }
        }

        // Check if a wrong base was supplied
        if(!$this->baseSelector->checkLastBaseUpdate()){
            $message[]= msgPool::check_base();;
        }

        if($this->allowGroupsWithSameNameInOtherSubtrees == true){

            /* Check for used 'cn' */
            $ldap= $this->config->get_ldap_link();
            if(($this->cn  != $this->orig_cn) || ($this->orig_dn == "new")){
                $ldap->cd(get_groups_ou().$this->base);
                $ldap->ls("(&(|(objectClass=gosaGroupOfNames)(objectClass=posixGroup))(cn=$this->cn))",get_groups_ou().$this->base,array("cn"));
                if ($ldap->count() != 0){
                    $message[]= msgPool::duplicated(_("Name"));
                }
            }

        }else{

            /* Check for used 'cn' */
            $ldap= $this->config->get_ldap_link();
            $ldap->cd($this->config->current['BASE']);
            $ldap->search("(&(|(objectClass=gosaGroupOfNames)(objectClass=posixGroup))(cn=$this->cn))",array("cn"));
            if ($ldap->count() != 0){

                /* New entry? */
                if ($this->dn == 'new'){
                    $message[]= msgPool::duplicated(_("Name"));
                }

                /* Moved? */
                elseif ($new_dn != $this->orig_dn){
                    $ldap->fetch();
                    if ($ldap->getDN() != $this->orig_dn){
                        $message[]= msgPool::duplicated(_("Name"));
                    }
                }
            }
        }

        /* Check ID */
        if ($this->force_gid == "1"){
            if (!tests::is_id($this->gidNumber)){
                $message[]= msgPool::invalid(_("GID"), $this->gidNumber, "/[0-9]/");
            } else {
                if ($this->gidNumber < $this->config->get_cfg_value("core","minId")){
                    $message[]= msgPool::toosmall(_("GID"), $this->config->get_cfg_value("core","minId"));
                }

            }
        }

        /* Check if we are allowed to create or move this object 
         */
        if(!$this->orig_dn == "new" || 
                $this->orig_base != $this->base || 
                $this->cn != $this->orig_cn){

            if($this->orig_dn == "new" && !$this->acl_is_createable($this->base)){
                $message[] = msgPool::permCreate();
            }elseif($this->orig_dn != "new" && !$this->acl_is_moveable($this->base)){
                $message[] = msgPool::permMove();
            }
        }

        return ($message);
    }


    function getCopyDialog()
    {
        $vars = array("cn");

        if($this ->force_gid){
            $used = " checked ";
            $dis  = "";
        }else{
            $used = "";
            $dis  = " disabled ";
        }

        $smarty = get_smarty();
        $smarty->assign("used",     set_post($used));
        $smarty->assign("dis" ,     set_post($dis));
        $smarty->assign("cn" ,      set_post($this->cn));
        $smarty->assign("gidNumber",set_post($this->gidNumber));
        $str = $smarty->fetch(get_template_path("paste_generic.tpl",TRUE));
        $ret = array();
        $ret['string'] = $str;
        $ret['status'] = "";
        return($ret);
    }

    function saveCopyDialog()
    {
        if(isset($_POST['cn'])){
            $this->cn = get_post('cn');
        }
        if(isset($_POST['force_gid'])){
            $this->force_gid  = 1;
            $this->gidNumber= get_post('gidNumber');
        }else{
            $this->force_gid  = 0;
            $this->gidNumber  = false;
        }
    }


    /* Return plugin informations for acl handling  */ 
    static function plInfo()
    {
        return (array(  
                    "plShortName" => _("Generic"),
                    "plDescription" => _("Generic group settings"),
                    "plSelfModify"  => FALSE,
                    "plDepends"     => array(),
                    "plPriority"    => 0,
                    "plSection"     => array("administration"),
                    "plCategory"    => array("groups" => array("objectClass" => "posixGroup", "description" => _("Groups"))),

                    "plProperties" =>
                    array(
                        array(
                            "name"          => "ogroupRDN",
                            "type"          => "rdn",
                            "default"       => "ou=groups,",
                            "description"   => _("RDN for object group storage."),
                            "check"         => "gosaProperty::isRdn",
                            "migrate"       => "migrate_ogroupRDN",
                            "group"         => "plugin",
                            "mandatory"     => FALSE)),


            "plProvidedAcls"    => array(
                    "cn"                => _("Name"),
                    "description"       => _("Description"),
                    "base"              => _("Base"),

                    "gidNumber"         => _("GID"),

                    "sambaGroupType"    => _("Samba group type"),
                    "sambaDomainName"   => _("Samba domain name"),
                    "accessTo"        => _("System trust"),
                    "fonGroup"          => _("Phone pickup group"),
                    "nagiosGroup"       => _("Nagios group"),

                    "memberUid"         => _("Group member"))
                ));
    }


    function multiple_save_object()
    {
        if(isset($_POST['group_mulitple_edit'])){

            /* Create a base backup and reset the
               base directly after calling plugin::save_object();
               Base will be set seperatly a few lines below */
            $base_tmp = $this->base;
            plugin::multiple_save_object();
            plugin::save_object();
            $this->trustModeDialog->multiple_save_object();
            $this->base = $base_tmp;

            foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group") as $attr){
                if(isset($_POST['use_'.$attr])){
                    $this->multi_boxes[] = $attr;
                }
            }

            /* Refresh base */
            if ($this->acl_is_moveable($this->base)){
                if (!$this->baseSelector->update()) {
                    msg_dialog::display(_("Error"), msgPool::permMove(), ERROR_DIALOG);
                }
                if ($this->base != $this->baseSelector->getBase()) {
                    $this->base= $this->baseSelector->getBase();
                    $this->is_modified= TRUE;
                }
            }

            foreach (array( "smbgroup"   => "sambaGroupType" ,"nagios_group" => "nagiosGroup") as $val => $aclname) {
                if ($this->acl_is_writeable($aclname)){
                    if(isset($_POST["$val"])){
                        $this->$val=  TRUE;
                    }else{
                        $this->$val=  FALSE;
                    }
                }
            }

            /* Save sambaDomain attribute */
            if ($this->acl_is_writeable("sambaDomainName") && isset ($_POST['sambaDomainName'])){
                $this->sambaDomainName= get_post('sambaDomainName');
                $this->groupType= get_post('groupType');
            }

            /* Save fon attribute */
            if ($this->acl_is_writeable("fonGroup")){
                if (isset ($_POST['fon_group'])){
                    $this->fon_group= TRUE;
                } else {
                    $this->fon_group= FALSE;
                }
            }
        }
    }


    function get_multi_edit_values()
    {
        $ret = plugin::get_multi_edit_values();
        $ret = array_merge($ret,$this->trustModeDialog->get_multi_edit_values());

        foreach(array("base","smbgroup","groupType","sambaDomainName","fon_group","nagios_group") as $attr){    
            if(in_array_strict($attr,$this->multi_boxes)){
                $ret[$attr] = $this->$attr;
            }
        }

        $ret['memberUid'] = $this->memberUid;
        $ret['memberUid_used_by_some'] = $this->memberUid_used_by_some;
        return($ret);
    }

    function multiple_execute()
    {
        return($this->execute());
    }


    /* Initialize plugin with given atribute arrays
     */
    function init_multiple_support($attrs,$all)
    {
        plugin::init_multiple_support($attrs,$all);
        $this->trustModeDialog->init_multiple_support($attrs,$all);

        $this->memberUid = array();
        $this->memberUid_used_by_some = array();
        if (isset($attrs['memberUid'])){
            for ($i= 0; $i<$attrs['memberUid']['count']; $i++){
                $this->memberUid[$attrs['memberUid'][$i]]= $attrs['memberUid'][$i];
            }
            ksort($this->memberUid);
        }

        if (isset($all['memberUid'])){
            for ($i= 0; $i<$all['memberUid']['count']; $i++){
                if(!in_array_strict($all['memberUid'][$i],$this->memberUid)){
                    $this->memberUid_used_by_some[$all['memberUid'][$i]]= $all['memberUid'][$i];
                }
            }
            ksort($this->memberUid_used_by_some);
        }

        $this->reload(TRUE);

        // We've two lists in mutliple support  
        //  - one which represents those users which are part of ALL groups.
        //  - ond one which represents those users which are only part of SOME groups.
        $this->commonList = new sortableListing();
        $this->commonList->setDeleteable(true);
        $this->commonList->setInstantDelete(true);
        $this->commonList->setEditable(false);
        $this->commonList->setWidth("100%");
        $this->commonList->setHeight("120px");
        $this->commonList->setHeader(array('~',_("Given name"),_("Surname"),_("UID")));
        $this->commonList->setColspecs(array('20px','*','*','*','20px'));
        $this->commonList->setDefaultSortColumn(1);

        $this->partialList = new sortableListing();
        $this->partialList->setDeleteable(true);
        $this->partialList->setInstantDelete(true);
        $this->partialList->setEditable(false);
        $this->partialList->setWidth("100%");
        $this->partialList->setHeight("120px");
        $this->partialList->setHeader(array('~',_("Given name"),_("Surname"),_("UID")));
        $this->partialList->setColspecs(array('20px','*','*','*','20px'));
        $this->partialList->setDefaultSortColumn(1);
    }


    function PrepareForCopyPaste($source)
    {
        plugin::PrepareForCopyPaste($source);

        $this->trustModeDialog->PrepareForCopyPaste($source);

        /* Get samba Domain in case of samba 3 */
        if ($this->sambaSID != ""){
            $this->SID= preg_replace ("/-[^-]+$/", "", $this->sambaSID);
            $ldap= $this->config->get_ldap_link();
            $ldap->cd($this->config->current['BASE']);
            $ldap->search ("(&(objectClass=sambaDomain)(sambaSID=$this->SID))",array("sambaAlgorithmicRidBase"));
            if ($ldap->count() != 0){
                $attrs= $ldap->fetch();
                if(isset($attrs['sambaAlgorithmicRidBase'])){
                    $this->ridBase= $attrs['sambaAlgorithmicRidBase'][0];
                } else {
                    $this->ridBase= $this->config->get_cfg_value("core","sambaRidBase");
                }

                /* Get domain name for SID */
                $this->sambaDomainName= "DEFAULT";
                foreach ($this->config->data['SERVERS']['SAMBA'] as $key => $val){
                    if ($val['SID'] == $this->SID){
                        $this->sambaDomainName= $key;
                        break;
                    }
                }
            } else {
                if ($this->config->get_cfg_value("core","sambaRidBase") != ""){
                    $this->sambaDomainName= "DEFAULT";
                    $this->ridBase= $this->config->get_cfg_value("core","sambaRidBase");
                    $this->SID= $this->config->get_cfg_value("core","sambaSID");
                } else {
                    msg_dialog::display(_("Configuration error"), _("Cannot find group SID in your configuration!"), ERROR_DIALOG);
                }
            }

            /* Get group type */
            $this->groupType= (int)substr(strrchr($this->sambaSID, "-"), 1);
            if ($this->groupType < 500 || $this->groupType > 553){
                $this->groupType= 0;
            }
            $this->oldgroupType= $this->groupType;
        }

        // Detect samba groups and adapt its values.
        $this->smbgroup = in_array_strict('sambaGroupMapping', $source['objectClass']);
        if ($this->smbgroup) { 
            $this->sambaSID = $this->getSambaSID(); 
        } 

        $this->memberUid = array();
        if(isset($source['memberUid'])){
            for($i = 0 ; $i < $source['memberUid']['count']; $i ++){
                $this->memberUid[] = $source['memberUid'][$i];
            }
        }
    }


    function set_acl_base($base)
    {
        plugin::set_acl_base($base);
        $this->trustModeDialog->set_acl_base($base);
    }


    /*! \brief  Enables multiple support for this plugin
     */
    function enable_multiple_support()
    {
        plugin::enable_multiple_support();
        $this->trustModeDialog->enable_multiple_support();
    }


    function set_multi_edit_values($attrs)
    {
        $users = array();

        /* Update groupMembership, keep optinal group */
        foreach($attrs['memberUid_used_by_some'] as $uid){
            if(in_array_strict($uid,$this->memberUid)){
                $users[$uid] = $uid;
            }
        }

        /* Update groupMembership, add forced groups */
        foreach($attrs['memberUid'] as $uid){
            $users[$uid] = $uid;
        }
        plugin::set_multi_edit_values($attrs);
        $this->trustModeDialog->set_multi_edit_values($attrs);
        $this->memberUid = $users;
    }


    /*! \brief Get a new SambaSID for a group */ 
    function getSambaSID() 
    { 
        $ldap = $this->config->get_ldap_link(); 
        $gidNumber= $this->gidNumber; 
        while(TRUE){ 
            $sid= $this->SID."-".($gidNumber*2 + $this->ridBase+1); 
            $ldap->cd($this->config->current['BASE']); 
            $ldap->search("(sambaSID=$sid)",array("sambaSID")); 
            if ($ldap->count() == 0){ 
                break; 
            } 
            $gidNumber++; 
        } 

        return $sid; 
    } 

}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>