NIS netgroup module for users
This commit is contained in:
Roland Gruber
parent
d743616816
commit
a34ec53c9c
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@ -1,6 +1,7 @@
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June 2015
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- Microsoft IE 8 no longer supported
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- Security: added CSRF protection
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- NIS net groups: user module to manage NIS net groups on user page
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- Zarafa users: allow to change display format of "Send As"
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- User list: support to filter by account status
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- Lamdaemon: update group of home directory if user's primary group changes
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@ -0,0 +1,561 @@
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<?php
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/*
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$Id$
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2015 Roland Gruber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* Manages memberships in NIS net groups.
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*
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* @package modules
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* @author Roland Gruber
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*/
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/**
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* Manages memberships in NIS net groups.
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*
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* @package modules
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*/
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class nisNetGroupUser extends baseModule {
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/** list of NIS netgroups the user is memberOf (array(array(name => '', dn => '', host => '', domain => ''))) */
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private $groups = array();
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/** list of NIS netgroups the user was memberOf (array(array(name => '', dn => '', host => '', domain => ''))) */
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private $groupsOrig = array();
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/** group cache (array(array(cn => '', dn => '', nisnetgrouptriple => array()))) */
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private $groupCache = null;
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/**
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* Returns true if this module can manage accounts of the current type, otherwise false.
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*
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* @return boolean true if module fits
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*/
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public function can_manage() {
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return in_array($this->get_scope(), array('user'));
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}
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/**
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* Returns meta data that is interpreted by parent class
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*
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* @return array array with meta data
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*
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* @see baseModule::get_metaData()
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*/
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public function get_metaData() {
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$return = array();
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// icon
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$return['icon'] = 'groupBig.png';
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// module dependencies
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$return['dependencies'] = array('depends' => array(array('posixAccount', 'inetOrgPerson')), 'conflicts' => array());
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// alias name
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$return["alias"] = _("NIS net groups");
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// available PDF fields
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$return['PDF_fields']['memberships'] = _('NIS net groups');
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// help Entries
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$return['help'] = array(
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'addgroup' => array(
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'Headline' => _('Groups of names'),
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'Text' => _("Hold the CTRL-key to (de)select multiple groups."). ' '. _("Can be left empty.")
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),
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'addgroup_upload' => array(
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"Headline" => _("Groups of names"),
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"Text" => _("Here you can enter a list of additional group memberships. The group names are separated by commas.")
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),
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);
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// upload columns
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$return['upload_columns'][] = array(
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'name' => 'nisNetGroupUser_memberships',
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'description' => _('Memberships'),
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'help' => 'memberships_upload',
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'example' => 'group1##host##domain,group2##host##domain'
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);
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return $return;
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}
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/**
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* This function fills the $messages variable with output messages from this module.
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*/
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function load_Messages() {
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$this->messages['host'][0] = array('ERROR', _('Host name'), _('Host name contains invalid characters. Valid characters are: a-z, A-Z, 0-9 and .-_ !'));
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$this->messages['domain'][0] = array('ERROR', _('Domain name'), _('Domain name is invalid!'));
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}
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/**
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* Initializes the module after it became part of an accountContainer
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*
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* @param string $base the name of the accountContainer object ($_SESSION[$base])
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*/
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function init($base) {
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// call parent init
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parent::init($base);
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$this->groups = array();
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$this->groupsOrig = array();
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}
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/**
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* This function loads all needed LDAP attributes.
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*
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* @param array $attr list of attributes
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*/
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function load_attributes($attr) {
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parent::load_attributes($attr);
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if (empty($attr['uid'][0])) {
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return;
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}
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$uid = $attr['uid'][0];
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$types = array('netgroup');
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$typeSettings = $_SESSION['config']->get_typeSettings();
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$groupList = array();
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$filter = '(&(objectClass=nisNetgroup)(nisnetgrouptriple=*))';
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if (!empty($typeSettings['filter_' . $types[0]])) {
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$typeFilter = $typeSettings['filter_' . $types[0]];
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if (strpos($typeFilter, '(') !== 0) {
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$typeFilter = '(' . $typeFilter . ')';
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}
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$filter = '(&' . $filter . $typeFilter . ')';
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}
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$groupList = searchLDAPByFilter($filter, array('dn', 'cn', 'nisnetgrouptriple'), $types);
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$this->groupsOrig = array();
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$tripleRegex = '/^\\(([^,]*),([^,]*),([^,]*)\\)$/';
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foreach ($groupList as $group) {
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foreach ($group['nisnetgrouptriple'] as $triple) {
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$matches = array();
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if (preg_match($tripleRegex, $triple, $matches) == 0) {
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continue;
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}
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$host = $matches[1];
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$user = $matches[2];
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$domain = $matches[3];
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if ($user == $uid) {
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$this->groupsOrig[] = array(
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'name' => $group['cn'][0],
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'dn' => $group['dn'],
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'host' => $host,
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'domain' => $domain
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);
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}
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}
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}
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usort($this->groupsOrig, array($this, 'sortTriple'));
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$this->groups = $this->groupsOrig;
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}
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/**
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* Displays the group selection.
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*
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* @return htmlElement meta HTML code
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*/
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public function display_html_attributes() {
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$return = new htmlTable();
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$return->addElement(new htmlOutputText(_('Group')));
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$return->addElement(new htmlOutputText(_('Host name')));
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$return->addElement(new htmlOutputText(_('Domain name')), true);
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for ($i = 0; $i < sizeof($this->groups); $i++) {
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$group = $this->groups[$i];
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$return->addElement(new htmlOutputText($group['name']));
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$return->addElement(new htmlInputField('host_' . $i, $group['host']));
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$return->addElement(new htmlInputField('domain_' . $i, $group['domain']));
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$delButton = new htmlButton('del_' . $i, 'del.png', true);
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$delButton->setTitle(_('Delete'));
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$return->addElement($delButton, true);
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}
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$return->addVerticalSpace('20px');
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// new entry
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$groupList = array();
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$groupData = $this->findGroups();
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if (sizeof($groupData) > 0) {
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foreach ($groupData as $group) {
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$groupList[$group['cn'][0]] = $group['cn'][0] . '#+#' . $group['dn'];
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}
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$groupSelect = new htmlSelect('group_add', $groupList);
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$groupSelect->setHasDescriptiveElements(true);
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$return->addElement($groupSelect);
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$return->addElement(new htmlInputField('host_add'));
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$return->addElement(new htmlInputField('domain_add'));
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$addButton = new htmlButton('addGroup', 'add.png', true);
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$addButton->setTitle(_('Add'));
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$return->addElement($addButton, true);
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}
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return $return;
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}
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/**
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* Processes user input of the group selection page.
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* It checks if all input values are correct and updates the associated LDAP attributes.
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*
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* @return array list of info/error messages
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*/
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public function process_attributes() {
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$errors = array();
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// add new entry
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if (isset($_POST['addGroup'])) {
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$parts = explode('#+#', $_POST['group_add']);
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$this->groups[] = array(
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'name' => $parts[0],
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'dn' => $parts[1],
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'host' => $_POST['host_add'],
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'domain' => $_POST['domain_add']
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);
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if (!empty($_POST['host_add']) && !get_preg($_POST['host_add'], 'DNSname')) {
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$message = $this->messages['host'][0];
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$message[2] = $message[2] . '<br><br>' . $_POST['host_add'];
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$errors[] = $message;
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}
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if (!empty($_POST['domain_add']) && !get_preg($_POST['domain_add'], 'DNSname')) {
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$message = $this->messages['domain'][0];
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$message[2] = $message[2] . '<br><br>' . $_POST['domain_add'];
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$errors[] = $message;
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}
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}
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// check existing
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$counter = 0;
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while (isset($_POST['host_' . $counter])) {
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if (isset($_POST['del_' . $counter])) {
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unset($this->groups[$counter]);
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}
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else {
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$this->groups[$counter]['host'] = $_POST['host_' . $counter];
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if (!empty($_POST['host_' . $counter]) && !get_preg($_POST['host_' . $counter], 'DNSname')) {
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$message = $this->messages['host'][0];
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$message[2] = $message[2] . '<br><br>' . $_POST['host_' . $counter];
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$errors[] = $message;
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}
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$this->groups[$counter]['domain'] = $_POST['domain_' . $counter];
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if (!empty($_POST['domain_' . $counter]) && !get_preg($_POST['domain_' . $counter], 'DNSname')) {
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$message = $this->messages['domain'][0];
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$message[2] = $message[2] . '<br><br>' . $_POST['domain_' . $counter];
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$errors[] = $message;
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}
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}
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$counter++;
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}
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$this->groups = array_values($this->groups);
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usort($this->groups, array($this, 'sortTriple'));
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return $errors;
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}
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/**
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* Runs the postmodify actions.
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*
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* @see baseModule::postModifyActions()
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*
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* @param boolean $newAccount
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* @param array $attributes LDAP attributes of this entry
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* @return array array which contains status messages. Each entry is an array containing the status message parameters.
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*/
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public function postModifyActions($newAccount, $attributes) {
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$moduleAttributes = array();
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if ($this->getAccountContainer()->getAccountModule('posixAccount') != null) {
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$moduleAttributes = $this->getAccountContainer()->getAccountModule('posixAccount')->getAttributes();
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}
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else {
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$moduleAttributes = $this->getAccountContainer()->getAccountModule('inetOrgPerson')->getAttributes();
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}
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if (empty($moduleAttributes['uid'][0])) {
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return array();
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}
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$ldapUser = $_SESSION['ldap']->decrypt_login();
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$ldapUser = $ldapUser[0];
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$uid = $moduleAttributes['uid'][0];
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$messages = array();
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// calculate differences
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$toRem = $this->groupsOrig;
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$toAdd = $this->groups;
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$counter = sizeof($toRem);
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for ($i = 0; $i < $counter; $i++) {
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$group_orig = $toRem[$i];
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foreach ($toAdd as $k => $group) {
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if (($group_orig['dn'] == $group['dn'])
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&& ($group_orig['domain'] == $group['domain'])
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&& ($group_orig['host'] == $group['host'])) {
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unset($toRem[$i]);
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unset($toAdd[$k]);
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break;
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}
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}
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}
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// group by DN
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$changes = array();
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foreach ($toAdd as $add) {
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$changes[$add['dn']]['add'][] = '(' . $add['host'] . ',' . $uid . ',' . $add['domain'] . ')';
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}
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foreach ($toRem as $del) {
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$changes[$del['dn']]['del'][] = '(' . $del['host'] . ',' . $uid . ',' . $del['domain'] . ')';
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}
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// add groups
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foreach ($changes as $dn => $changeSet) {
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$current = ldapGetDN($dn, array('nisnetgrouptriple'));
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if (empty($current)) {
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$messages[] = array('ERROR', sprintf(_('Was unable to modify attributes of DN: %s.'), $dn));
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continue;
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}
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$triples = empty($current['nisnetgrouptriple']) ? array() : $current['nisnetgrouptriple'];
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if (!empty($changeSet['del'])) {
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$triples = array_delete($changeSet['del'], $triples);
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}
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if (!empty($changeSet['add'])) {
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$triples = array_merge($changeSet['add'], $triples);
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}
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$triples = array_values(array_unique($triples));
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$attributes = array(
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'nisnetgrouptriple' => $triples
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);
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$success = @ldap_mod_replace($_SESSION['ldap']->server(), $dn, $attributes);
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if (!$success) {
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logNewMessage(LOG_ERR, '[' . $ldapUser .'] Unable to modify attributes of DN: ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
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$messages[] = array('ERROR', sprintf(_('Was unable to modify attributes of DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
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}
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}
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return $messages;
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}
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/**
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* Additional LDAP operations on delete.
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*
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* @return List of LDAP operations, same as for save_attributes()
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*/
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function delete_attributes() {
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$return = array();
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// remove from group of names
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return $return;
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}
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/**
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* Returns a list of elements for the account profiles.
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*
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* @return profile elements
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*/
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function get_profileOptions() {
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$return = new htmlTable();
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// group of names
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$gons = $this->findGroupOfNames();
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$gonList = array();
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foreach ($gons as $dn => $attr) {
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$gonList[$attr['cn'][0]] = $dn;
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}
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$gonSelect = new htmlTableExtendedSelect('groupOfNamesUser_gon', $gonList, array(), _('Groups of names'), 'addgroup', 10);
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$gonSelect->setHasDescriptiveElements(true);
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$gonSelect->setMultiSelect(true);
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$gonSelect->setTransformSingleSelect(false);
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$return->addElement($gonSelect, true);
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return $return;
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}
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/**
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* Loads the values of an account profile into internal variables.
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*
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* @param array $profile hash array with profile values (identifier => value)
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*/
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function load_profile($profile) {
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// profile mappings in meta data
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parent::load_profile($profile);
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// special profile options
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// group of names
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if (isset($profile['groupOfNamesUser_gon'][0])) {
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$this->gonList = $profile['groupOfNamesUser_gon'];
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}
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}
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/**
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* Returns a list of possible PDF entries for this account.
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*
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* @param array $pdfKeys list of PDF keys that are included in document
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* @return list of PDF entries (array(<PDF key> => <PDF lines>))
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*/
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function get_pdfEntries($pdfKeys) {
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$allGons = $this->findGroupOfNames();
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$gons = array();
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for ($i = 0; $i < sizeof($this->gonList); $i++) {
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if (isset($allGons[$this->gonList[$i]])) {
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$gons[] = $allGons[$this->gonList[$i]]['cn'][0];
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}
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}
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natcasesort($gons);
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$return = array();
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$this->addPDFKeyValue($return, 'gon', _('Groups of names'), $gons);
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return $return;
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}
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/**
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* In this function the LDAP account is built up.
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*
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* @param array $rawAccounts list of hash arrays (name => value) from user input
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* @param array $ids list of IDs for column position (e.g. "posixAccount_uid" => 5)
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* @param array $partialAccounts list of hash arrays (name => value) which are later added to LDAP
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* @param array $selectedModules list of selected account modules
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* @return array list of error messages if any
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*/
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function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts, $selectedModules) {
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$errors = array();
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// get list of existing group of names
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$gons = $this->findGroupOfNames();
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$gonList = array();
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foreach ($gons as $dn => $attr) {
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$gonList[] = $attr['cn'][0];
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}
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// check input
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for ($i = 0; $i < sizeof($rawAccounts); $i++) {
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// group of names
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if ($rawAccounts[$i][$ids['groupOfNamesUser_gon']] != "") {
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$groups = explode(",", $rawAccounts[$i][$ids['groupOfNamesUser_gon']]);
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for ($g = 0; $g < sizeof($groups); $g++) {
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if (!in_array($groups[$g], $gonList)) {
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$errors[] = array('ERROR', _('Unable to find group in LDAP.'), $groups[$g]);
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}
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}
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}
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}
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return $errors;
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}
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/**
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* This function executes one post upload action.
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*
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* @param array $data array containing one account in each element
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* @param array $ids array(<column_name> => <column number>)
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* @param array $failed list of accounts which were not created successfully
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* @param array $temp variable to store temporary data between two post actions
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* @param array $accounts list of LDAP entries
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* @return array current status
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* <br> array (
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* <br> 'status' => 'finished' | 'inProgress'
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* <br> 'progress' => 0..100
|
||||
* <br> 'errors' => array (<array of parameters for StatusMessage>)
|
||||
* <br> )
|
||||
*/
|
||||
function doUploadPostActions(&$data, $ids, $failed, &$temp, &$accounts) {
|
||||
if (!checkIfWriteAccessIsAllowed($this->get_scope())) {
|
||||
die();
|
||||
}
|
||||
// on first call generate list of LDAP operations
|
||||
if (!isset($temp['counter'])) {
|
||||
$temp['dn_gon'] = array();
|
||||
$temp['counter'] = 0;
|
||||
// get list of existing group of names
|
||||
$gonList = $this->findGroupOfNames();
|
||||
$gonMap = array();
|
||||
foreach ($gonList as $dn => $attr) {
|
||||
$gonMap[$attr['cn'][0]] = $dn;
|
||||
}
|
||||
for ($i = 0; $i < sizeof($data); $i++) {
|
||||
if (in_array($i, $failed)) continue; // ignore failed accounts
|
||||
if (isset($ids['groupOfNamesUser_gon']) && ($data[$i][$ids['groupOfNamesUser_gon']] != "")) {
|
||||
$gons = explode(",", $data[$i][$ids['groupOfNamesUser_gon']]);
|
||||
$memberAttr = 'member';
|
||||
for ($g = 0; $g < sizeof($gons); $g++) {
|
||||
if (in_array('groupOfUniqueNames', $gonList[$gonMap[$gons[$g]]]['objectclass'])) {
|
||||
$memberAttr = 'uniqueMember';
|
||||
}
|
||||
$temp['dn_gon'][$gonMap[$gons[$g]]][$memberAttr][] = $accounts[$i]['dn'];
|
||||
}
|
||||
}
|
||||
}
|
||||
$temp['dn_gon_keys'] = array_keys($temp['dn_gon']);
|
||||
return array(
|
||||
'status' => 'inProgress',
|
||||
'progress' => 0,
|
||||
'errors' => array()
|
||||
);
|
||||
}
|
||||
// add users to group of names
|
||||
elseif ($temp['counter'] < sizeof($temp['dn_gon'])) {
|
||||
$gonDn = $temp['dn_gon_keys'][$temp['counter']];
|
||||
$gonAttr = $temp['dn_gon'][$gonDn];
|
||||
$success = @ldap_mod_add($_SESSION['ldap']->server(), $gonDn, $gonAttr);
|
||||
$errors = array();
|
||||
if (!$success) {
|
||||
$errors[] = array(
|
||||
"ERROR",
|
||||
_("LAM was unable to modify group memberships for group: %s"),
|
||||
getDefaultLDAPErrorString($_SESSION['ldap']->server()),
|
||||
array($temp['groups'][$temp['counter']])
|
||||
);
|
||||
}
|
||||
$temp['counter']++;
|
||||
return array (
|
||||
'status' => 'inProgress',
|
||||
'progress' => ($temp['counter'] * 100) / sizeof($temp['dn_gon']),
|
||||
'errors' => $errors
|
||||
);
|
||||
}
|
||||
// all modifications are done
|
||||
else {
|
||||
return array (
|
||||
'status' => 'finished',
|
||||
'progress' => 100,
|
||||
'errors' => array()
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds all existing LDAP NIS net groups.
|
||||
*
|
||||
* @return array groups array(array(cn => array(), dn => '', nisnetgrouptriple => array()))
|
||||
*/
|
||||
private function findGroups() {
|
||||
if ($this->groupCache != null) {
|
||||
return $this->groupCache;
|
||||
}
|
||||
$return = array();
|
||||
$types = array('netgroup');
|
||||
$typeSettings = $_SESSION['config']->get_typeSettings();
|
||||
if (sizeof($types) > 0) {
|
||||
foreach ($types as $type) {
|
||||
$filter = '(objectClass=nisNetgroup)';
|
||||
if (!empty($typeSettings['filter_' . $type])) {
|
||||
$typeFilter = $typeSettings['filter_' . $type];
|
||||
if (strpos($typeFilter, '(') !== 0) {
|
||||
$typeFilter = '(' . $typeFilter . ')';
|
||||
}
|
||||
$filter = '(&' . $filter . $typeFilter . ')';
|
||||
}
|
||||
$results = searchLDAPByFilter($filter, array('cn', 'dn', 'nisnetgrouptriple'), array($type));
|
||||
for ($i = 0; $i < sizeof($results); $i++) {
|
||||
if (isset($results[$i]['cn'][0]) && isset($results[$i]['dn'])) {
|
||||
$return[] = $results[$i];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
$this->groupCache = $return;
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts NIS netgroup triples by group, host and domain.
|
||||
*
|
||||
* @param array $first first array
|
||||
* @param array $second second array
|
||||
*/
|
||||
private function sortTriple($first, $second) {
|
||||
if ($first['name'] != $second['name']) {
|
||||
return strnatcasecmp($first['name'], $second['name']);
|
||||
}
|
||||
elseif ($first['host'] != $second['host']) {
|
||||
return strnatcasecmp($first['host'], $second['host']);
|
||||
}
|
||||
return strnatcasecmp($first['domain'], $second['domain']);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
Loading…
Reference in New Issue