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<?php/* This code is part of FusionDirectory (http://www.fusiondirectory.org/) Copyright (C) 2003-2010 Cajus Pollmeier Copyright (C) 2011-2018 FusionDirectory 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.*//*! * \file class_userinfo.inc * Source code for the class userinfo *//*! * \brief Class userinfo * This class contains all informations and functions * about user */class userinfo{ var $dn; var $cn; var $uid; var $sn = ''; var $givenName = ''; var $gidNumber = -1; var $language = ""; var $subtreeACL = array(); var $ACL = array(); var $groups = array(); var $roles = array(); var $result_cache = array(); var $ignoreACL = FALSE; var $ACLperPath = array(); var $ACLperPath_usesFilter = array(); /*! \brief LDAP size limit handler */ protected $sizeLimitHandler; /* get acl's an put them into the userinfo object attr subtreeACL (userdn:components, userdn:component1#sub1#sub2,component2,...) */ function __construct($userdn) { global $config; $this->dn = $userdn; $this->ignoreACL = ($config->get_cfg_value('ignoreAcl') == $this->dn); $this->loadLDAPInfo(); /* Initialize ACL_CACHE */ $this->reset_acl_cache(); $this->sizeLimitHandler = new ldapSizeLimit(); }7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
/*! \brief Loads user information from LDAP */
function loadLDAPInfo()
{
global $config;
$ldap = $config->get_ldap_link();
$ldap->cat($this->dn, array('cn', 'sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage'));
$attrs = $ldap->fetch();
$this->uid = $attrs['uid'][0];
if (isset($attrs['cn'][0])) {
$this->cn = $attrs['cn'][0];
} elseif (isset($attrs['givenName'][0]) && isset($attrs['sn'][0])) {
$this->cn = $attrs['givenName'][0].' '.$attrs['sn'][0];
} else {
$this->cn = $attrs['uid'][0];
}
if (isset($attrs['gidNumber'][0])) {
$this->gidNumber = $attrs['gidNumber'][0];
}
if (isset($attrs['sn'][0])) {
$this->sn = $attrs['sn'][0];
}
if (isset($attrs['givenName'][0])) {
$this->givenName = $attrs['givenName'][0];
}
/* Assign user language */
if (isset($attrs['preferredLanguage'][0])) {
$this->language = $attrs['preferredLanguage'][0];
}
}
/*!
* \brief Reset acl cache
*/
public function reset_acl_cache()
{
/* Initialize ACL_CACHE */
session::set('ACL_CACHE', array());
}
/*!
* \brief Load an acl
*/
function loadACL()
{
global $config;
$this->ACL = array();
$this->groups = array();
$this->roles = array();
$this->result_cache = array();
$this->reset_acl_cache();
$ldap = $config->get_ldap_link();
$ldap->cd($config->current['BASE']);
/* Get member groups... */
$ldap->search('(&(objectClass=groupOfNames)(member='.ldap_escape_f($this->dn).'))', array('dn'));
while ($attrs = $ldap->fetch()) {
$this->groups[$attrs['dn']] = $attrs['dn'];
}
/* Get member POSIX groups... */
$ldap->search('(&(objectClass=posixGroup)(memberUid='.ldap_escape_f($this->uid).'))', array('dn'));
while ($attrs = $ldap->fetch()) {
$this->groups[$attrs['dn']] = $attrs['dn'];
}
/* Get member roles... */
$ldap->search('(&(objectClass=organizationalRole)(roleOccupant='.ldap_escape_f($this->dn).'))', array('dn'));
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while ($attrs = $ldap->fetch()) {
$this->roles[$attrs['dn']] = $attrs['dn'];
}
/* Crawl through ACLs and move relevant to the tree */
$ldap->search("(objectClass=gosaACL)", array('dn', 'gosaAclEntry'));
$aclp = array();
$aclc = array();
while ($attrs = $ldap->fetch()) {
/* Insert links in ACL array */
$aclp[$attrs['dn']] = substr_count($attrs['dn'], ',');
$aclc[$attrs['dn']] = array();
$ol = array();
for ($i = 0; $i < $attrs['gosaAclEntry']['count']; $i++) {
$ol = array_merge($ol, acl::explodeAcl($attrs['gosaAclEntry'][$i]));
}
$aclc[$attrs['dn']] = $ol;
}
/* Resolve roles here */
foreach ($aclc as $dn => $data) {
foreach ($data as $prio => $aclc_value) {
unset($aclc[$dn][$prio]);
$ldap->cat($aclc_value['acl'], array("gosaAclTemplate"));
$attrs = $ldap->fetch();
if (isset($attrs['gosaAclTemplate'])) {
$roleAcls = acl::explodeRole($attrs['gosaAclTemplate']);
foreach ($roleAcls as $roleAcl) {
$aclc[$dn][] = array(
'acl' => $roleAcl,
'type' => $aclc_value['type'],
'members' => $aclc_value['members'],
'filter' => $aclc_value['filter']
);
}
}
}
}
/* ACL's read, sort for tree depth */
asort($aclp);
/* Sort in tree order */
foreach ($aclp as $dn => $acl) {
/* Check if we need to keep this ACL */
foreach ($aclc[$dn] as $idx => $type) {
$interresting = FALSE;
/* No members? This ACL rule is deactivated ... */
if (!count($type['members'])) {
$interresting = FALSE;
} else {
/* Inspect members... */
foreach (array_keys($type['members']) as $grp) {
/* Some group inside the members that is relevant for us? */
if (in_array_ics(preg_replace('/^G:/', '', $grp), $this->groups)) {
$interresting = TRUE;
}
/* Some role inside the members that is relevant for us? */
if (in_array_ics(preg_replace('/^R:/', '', $grp), $this->roles)) {
$interresting = TRUE;
}
/* User inside the members? */
if (mb_strtoupper(preg_replace('/^U:/', '', $grp)) == mb_strtoupper($this->dn)) {
$interresting = TRUE;
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}
/* Wildcard? */
if (preg_match('/^G:\*/', $grp)) {
$interresting = TRUE;
}
}
}
if ($interresting) {
if (!isset($this->ACL[$dn])) {
$this->ACL[$dn] = array();
}
$this->ACL[$dn][$idx] = $type;
}
}
}
/* Create an array which represent all relevant permissions settings
per dn.
The array will look like this:
. ['ou=base'] ['ou=base'] = array(ACLs);
.
. ['ou=dep1,ou=base']['ou=dep1,ou=base'] = array(ACLs);
. ['ou=base'] = array(ACLs);
For object located in 'ou=dep1,ou=base' we have to both ACLs,
for objects in 'ou=base' we only have to apply on ACL.
*/
$without_self_acl = $all_acl = array();
foreach ($this->ACL as $dn => $acl) {
$sdn = $dn;
do {
if (isset($this->ACL[$dn])) {
$all_acl[$sdn][$dn] = $this->ACL[$dn];
$without_self_acl[$sdn][$dn] = $this->ACL[$dn];
foreach ($without_self_acl[$sdn][$dn] as $acl_id => $acl_set) {
/* Remember which ACL set has speicial user filter */
if (isset($acl_set['filter']{1})) {
$this->ACLperPath_usesFilter[$sdn] = TRUE;
}
/* Remove all acl entries which are especially for the current user (self acl) */
foreach ($acl_set['acl'] as $object => $object_acls) {
if (isset($object_acls[0]) && (strpos($object_acls[0], "s") !== FALSE)) {
unset($without_self_acl[$sdn][$dn][$acl_id]['acl'][$object]);
}
}
}
}
$dn = preg_replace("/^[^,]*+,/", "", $dn);
} while (strpos($dn, ',') !== FALSE);
}
$this->ACLperPath = $without_self_acl;
/* Append Self entry */
$dn = $this->dn;
while (strpos($dn, ",") && !isset($all_acl[$dn])) {
$dn = preg_replace("/^[^,]*+,/", "", $dn);
}
if (isset($all_acl[$dn])) {
$this->ACLperPath[$this->dn] = $all_acl[$dn];
}
}
/*!
281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350
* \brief Returns an array containing all target objects we've permissions on
*
* \return Return the next id or NULL if failed
*/
function get_acl_target_objects()
{
return array_keys($this->ACLperPath);
}
/*!
* \brief Get permissions by category
*
* \param string $dn Dn from which we want to know permissions.
*
* \param string $category Category for which we want the acl eg: server
*
* \return all the permissions for the dn and category
*/
function get_category_permissions($dn, $category)
{
return @$this->get_permissions($dn, $category.'/0', '');
}
/*!
* \brief Check if the given object (dn) is copyable
*
* \param string $dn The object dn
*
* \param string $object The acl category (e.g. user)
*
* \return boolean TRUE if the given object is copyable else FALSE
*/
function is_copyable($dn, $object)
{
return (strpos($this->get_complete_category_acls($dn, $object), 'r') !== FALSE);
}
/*!
* \brief Check if the given object (dn) is cutable
*
* \param string $dn The object dn
*
* \param string $object The acl category (e.g. user)
*
* \param string $class The acl class (e.g. user)
*
* \return boolean TRUE if the given object is cutable else FALSE
*/
function is_cutable($dn, $object, $class)
{
$remove = (strpos($this->get_permissions($dn, $object.'/'.$class), 'd') !== FALSE);
$read = (strpos($this->get_complete_category_acls($dn, $object), 'r') !== FALSE);
return ($remove && $read);
}
/*!
* \brief Checks if we are allowed to paste an object to the given destination ($dn)
*
* \param string $dn The destination dn
*
* \param string $object The acl category (e.g. user)
*
* \return Boolean TRUE if we are allowed to paste an object.
*/
function is_pasteable($dn, $object)
{
return (strpos($this->get_complete_category_acls($dn, $object), 'w') !== FALSE);
351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420
}
/*!
* \brief Checks if we are allowed to restore a snapshot for the given dn.
*
* \param string $dn The destination dn
*
* \param string $categories The acl category (e.g. user)
*
* \param boolean $deleted Is it a deleted or existing object
*
* \return boolean TRUE if we are allowed to restore a snapshot.
*/
function allow_snapshot_restore($dn, $categories, $deleted)
{
$permissions = $this->get_snapshot_permissions($dn, $categories);
return in_array(($deleted ? 'restore_deleted' : 'restore_over'), $permissions);
}
/*!
* \brief Checks if we are allowed to create a snapshot of the given dn.
*
* \param string $dn The source dn
*
* \param string $categories The acl category (e.g. user)
*
* \return boolean TRUE if we are allowed to create a snapshot.
*/
function allow_snapshot_create($dn, $categories)
{
$permissions = $this->get_snapshot_permissions($dn, $categories);
return in_array('c', $permissions);
}
/*!
* \brief Checks if we are allowed to delete a snapshot of the given dn.
*
* \param string $dn The source dn
*
* \param string $categories The acl category (e.g. user)
*
* \return boolean TRUE if we are allowed to delete a snapshot.
*/
function allow_snapshot_delete($dn, $categories)
{
$permissions = $this->get_snapshot_permissions($dn, $categories);
return in_array('d', $permissions);
}
function get_snapshot_permissions($dn, $categories)
{
if (!is_array($categories)) {
$categories = array($categories);
}
/* Possible permissions for snapshots */
$objectPermissions = array('r', 'c', 'd');
$attributePermissions = array('restore_over', 'restore_deleted');
foreach ($categories as $category) {
$acl = $this->get_permissions($dn, $category.'/SnapshotHandler');
foreach ($objectPermissions as $i => $perm) {
if (strpos($acl, $perm) === FALSE) {
unset($objectPermissions[$i]);
}
}
foreach ($attributePermissions as $i => $attribute) {
$acl = $this->get_permissions($dn, $category.'/SnapshotHandler', $attribute);
if (strpos($acl, 'w') === FALSE) {
421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490
unset($attributePermissions[$i]);
}
}
}
return array_merge($objectPermissions, $attributePermissions);
}
/*!
* \brief Get the permissions for a specified dn
*
* \param string $dn The object dn
*
* \param string $object The acl category (e.g. user)
*
* \param string $attribute The acl class (e.g. user)
*
* \param bool $skip_write Remove the write acl for this dn
*
*/
function get_permissions($dn, $object, $attribute = "", $skip_write = FALSE)
{
global $config;
/* If we are forced to skip ACLs checks for the current user
then return all permissions.
*/
if ($this->ignore_acl_for_current_user()) {
if ($skip_write) {
return 'r';
}
return 'rwcdm';
}
/* Push cache answer? */
$ACL_CACHE = &session::global_get_ref('ACL_CACHE');
if (isset($ACL_CACHE["$dn+$object+$attribute"])) {
$ret = $ACL_CACHE["$dn+$object+$attribute"];
if ($skip_write) {
$ret = str_replace(array('w','c','d','m'), '', $ret);
}
return $ret;
}
/* Detect the set of ACLs we have to check for this object
*/
$adn = $dn;
while (!isset($this->ACLperPath[$adn]) && (strpos($adn, ',') !== FALSE)) {
$adn = preg_replace("/^[^,]*+,/", "", $adn);
}
if (isset($this->ACLperPath[$adn])) {
$ACL = $this->ACLperPath[$adn];
} else {
$ACL_CACHE["$dn+$object+$attribute"] = '';
return '';
}
/* If we do not need to respect any user-filter settings
we can skip the per object ACL checks.
*/
$orig_dn = $dn;
if (!isset($this->ACLperPath_usesFilter[$adn])) {
$dn = $adn;
if (isset($ACL_CACHE["$dn+$object+$attribute"])) {
$ret = $ACL_CACHE["$dn+$object+$attribute"];
if (!isset($ACL_CACHE["$orig_dn+$object+$attribute"])) {
$ACL_CACHE["$orig_dn+$object+$attribute"] = $ret;
}
if ($skip_write) {
$ret = str_replace(array('w','c','d','m'), '', $ret);
}
return $ret;
491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560
}
}
/* Get ldap object, for later filter checks */
$ldap = $config->get_ldap_link();
$acl = array('r' => '', 'w' => '', 'c' => '', 'd' => '', 'm' => '', 'a' => '');
/* Build dn array */
$path = explode(',', $dn);
$path = array_reverse($path);
/* Walk along the path to evaluate the acl */
$cpath = '';
foreach ($path as $element) {
/* Clean potential ACLs for each level */
if (isset($config->idepartments[$cpath])) {
$acl = $this->cleanACL($acl);
}
if ($cpath == "") {
$cpath = $element;
} else {
$cpath = $element.','.$cpath;
}
if (isset($ACL[$cpath])) {
/* Inspect this ACL, place the result into ACL */
foreach ($ACL[$cpath] as $subacl) {
/* Reset? Just clean the ACL and turn over to the next one... */
if ($subacl['type'] == 'reset') {
$acl = $this->cleanACL($acl, TRUE);
continue;
}
/* With user filter */
if (isset($subacl['filter']) && !empty($subacl['filter'])) {
$id = $dn."-".$subacl['filter'];
if (!isset($ACL_CACHE['FILTER'][$id])) {
$ACL_CACHE['FILTER'][$id] = $ldap->object_match_filter($dn, $subacl['filter']);
}
if (!$ACL_CACHE['FILTER'][$id]) {
continue;
}
}
/* Self ACLs? */
if (($dn != $this->dn) && isset($subacl['acl'][$object][0]) && (strpos($subacl['acl'][$object][0], "s") !== FALSE)) {
continue;
}
/* If attribute is "", we want to know, if we've *any* permissions here...
Merge global class ACLs [0] with attributes specific ACLs [attribute].
*/
if (($attribute == '') && isset($subacl['acl'][$object])) {
foreach ($subacl['acl'][$object] as $attr => $dummy) {
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attr]);
}
continue;
}
/* Per attribute ACL? */
if (isset($subacl['acl'][$object][$attribute])) {
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][$attribute]);
continue;
}
561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630
/* Per object ACL? */
if (isset($subacl['acl'][$object][0])) {
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$object][0]);
continue;
}
/* Global ACL? */
if (isset($subacl['acl']['all'][0])) {
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl']['all'][0]);
continue;
}
/* Category ACLs (e.g. $object = "user/0")
*/
if (strstr($object, '/0')) {
$ocs = preg_replace("/\/0$/", "", $object);
if (isset($config->data['CATEGORIES'][$ocs])) {
/* if $attribute is "", then check every single attribute for this object.
if it is 0, then just check the object category ACL.
*/
if ($attribute == "") {
foreach ($config->data['CATEGORIES'][$ocs]['classes'] as $oc) {
if (isset($subacl['acl'][$ocs.'/'.$oc])) {
// Skip ACLs wich are defined for ourselfs only - if not checking against ($ui->dn)
if (isset($subacl['acl'][$ocs.'/'.$oc][0]) &&
($dn != $this->dn) &&
(strpos($subacl['acl'][$ocs.'/'.$oc][0], "s") !== FALSE)) {
continue;
}
foreach ($subacl['acl'][$ocs.'/'.$oc] as $attr => $dummy) {
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][$attr]);
}
continue;
}
}
} else {
if (isset($subacl['acl'][$ocs.'/'.$oc][0])) {
if (($dn != $this->dn) && (strpos($subacl['acl'][$ocs.'/'.$oc][0], "s") !== FALSE)) {
continue;
}
$acl = $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][0]);
}
}
}
continue;
}
}
}
}
/* If the requested ACL is for a container object, then alter
ACLs by applying cleanACL a last time.
*/
if (isset($config->idepartments[$dn])) {
$acl = $this->cleanACL($acl);
}
/* Assemble string */
$ret = "";
foreach ($acl as $key => $value) {
if ($value !== "") {
$ret .= $key;
}
}
$ACL_CACHE["$dn+$object+$attribute"] = $ret;
$ACL_CACHE["$orig_dn+$object+$attribute"] = $ret;
631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700
/* Remove write if needed */
if ($skip_write) {
$ret = str_replace(array('w','c','d','m'), '', $ret);
}
return $ret;
}
/*!
* \brief Extract all departments that are accessible
*
* Extract all departments that are accessible (direct or 'on the way' to an
* accessible department)
*
* \param string $module The module
*
* \param bool $skip_self_acls FALSE
*
* \return array Return all accessible departments
*/
function get_module_departments($module, $skip_self_acls = FALSE )
{
global $config;
/* If we are forced to skip ACLs checks for the current user
then return all departments as valid.
*/
if ($this->ignore_acl_for_current_user()) {
return array_keys($config->idepartments);
}
/* Use cached results if possilbe */
$ACL_CACHE = &session::global_get_ref('ACL_CACHE');
if (!is_array($module)) {
$module = array($module);
}
$res = array();
foreach ($module as $mod) {
if (isset($ACL_CACHE['MODULE_DEPARTMENTS'][$mod])) {
$res = array_merge($res, $ACL_CACHE['MODULE_DEPARTMENTS'][$mod]);
continue;
}
$deps = array();
/* Search for per object ACLs */
foreach ($this->ACL as $dn => $infos) {
foreach ($infos as $info) {
$found = FALSE;
foreach ($info['acl'] as $cat => $data) {
/* Skip self acls? */
if ($skip_self_acls && isset($data['0']) && (strpos($data['0'], "s") !== FALSE)) {
continue;
}
if (preg_match("/^".preg_quote($mod, '/')."/", $cat)) {
$found = TRUE;
break;
}
}
if ($found && !isset($config->idepartments[$dn])) {
while (!isset($config->idepartments[$dn]) && strpos($dn, ",")) {
$dn = preg_replace("/^[^,]+,/", "", $dn);
}
if (isset($config->idepartments[$dn])) {
$deps[$dn] = $dn;
}
}
}
}
701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770
/* For all gosaDepartments */
foreach ($config->departments as $dn) {
if (isset($deps[$dn])) {
continue;
}
$acl = '';
if (strpos($mod, '/')) {
$acl .= $this->get_permissions($dn, $mod);
} else {
$acl .= $this->get_category_permissions($dn, $mod);
}
if (!empty($acl)) {
$deps[$dn] = $dn;
}
}
$ACL_CACHE['MODULE_DEPARTMENTS'][$mod] = $deps;
$res = array_merge($res, $deps);
}
return array_values($res);
}
/*!
* \brief Merge acls
*
* \param $acl The ACL
*
* \param $type The type
*
* \param $newACL The new ACL
*/
function mergeACL($acl, $type, $newACL)
{
$at = array("subtree" => "s", "one" => "1");
if ((strpos($newACL, 'w') !== FALSE) && (strpos($newACL, 'r') === FALSE)) {
$newACL .= "r";
}
/* Ignore invalid characters */
$newACL = preg_replace('/[^rwcdm]/', '', $newACL);
foreach (str_split($newACL) as $char) {
/* Skip "self" ACLs without combination of rwcdm, they have no effect.
-self flag without read/write/create/...
*/
if (empty($char)) {
continue;
}
/* Skip subtree entries */
if ($acl[$char] == 's') {
continue;
}
if ($type == "base" && $acl[$char] != 1) {
$acl[$char] = 0;
} else {
$acl[$char] = $at[$type];
}
}
return $acl;
}
/*!
* \brief Clean acls
*
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* \param $acl ACL to be cleaned
*
* \param boolean $reset FALSE
*/
function cleanACL($acl, $reset = FALSE)
{
foreach ($acl as $key => $value) {
/* Continue, if value is empty or subtree */
if (($value == "") || ($value == "s")) {
continue;
}
/* Reset removes everything but 'p' */
if ($reset && $value != 'p') {
$acl[$key] = "";
continue;
}
/* Decrease tree level */
if (is_int($value)) {
if ($value) {
$acl[$key]--;
} else {
$acl[$key] = "";
}
}
}
return $acl;
}
/*!
* \brief Return combined acls for a given category
*
* Return combined acls for a given category.
* All acls will be combined like boolean AND
* As example ('rwcdm' + 'rcd' + 'wrm'= 'r')
*
* Results will be cached in $this->result_cache.
* $this->result_cache will be resetted if load_acls is called.
*
* \param string $dn The DN
*
* \param string $category The category
*
* \return string return acl combined with boolean AND
*/
function get_complete_category_acls($dn, $category)
{
global $config;
if (!is_string($category)) {
trigger_error('category must be string');
return '';
} else {
if (isset($this->result_cache['get_complete_category_acls'][$dn][$category])) {
return $this->result_cache['get_complete_category_acls'][$dn][$category];
}
$acl = 'rwcdm';
if (isset($config->data['CATEGORIES'][$category])) {
foreach ($config->data['CATEGORIES'][$category]['classes'] as $oc) {
if ($oc == '0') {
/* Skip objectClass '0' (e.g. user/0) */
continue;
}
$tmp = $this->get_permissions($dn, $category.'/'.$oc);
$types = $acl;
for ($i = 0, $l = strlen($types); $i < $l; $i++) {
if (strpos($tmp, $types[$i]) === FALSE) {
$acl = str_replace($types[$i], '', $acl);
841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910
}
}
}
} else {
$acl = '';
}
$this->result_cache['get_complete_category_acls'][$dn][$category] = $acl;
return $acl;
}
}
/*!
* \brief Ignore acl for the current user
*
* \return Returns TRUE if the current user is configured in IGNORE_ACL=".."
* in your fusiondirectory.conf FALSE otherwise
*/
function ignore_acl_for_current_user()
{
return $this->ignoreACL;
}
/*!
* \brief Checks the posixAccount status by comparing the shadow attributes.
*
* \return const
* POSIX_ACCOUNT_EXPIRED - If the account is expired.
* POSIX_WARN_ABOUT_EXPIRATION - If the account is going to expire.
* POSIX_FORCE_PASSWORD_CHANGE - The password has to be changed.
* POSIX_DISALLOW_PASSWORD_CHANGE - The password cannot be changed right now.
*
*
*
* shadowLastChange
* |
* |---- shadowMin ---> | <-- shadowMax --
* | | |
* |------- shadowWarning -> |
* |-- shadowInactive --> DEACTIVATED
* |
* EXPIRED
*
*/
function expired_status ()
{
global $config;
// Skip this for the admin account, we do not want to lock him out.
if ($this->is_user_admin()) {
return 0;
}
$ldap = $config->get_ldap_link();
$ldap->cd($config->current['BASE']);
$ldap->cat($this->dn);
$attrs = $ldap->fetch();
$current = floor(date("U") / 60 / 60 / 24);
// Fetch required attributes
foreach (array('shadowExpire','shadowLastChange','shadowMax','shadowMin',
'shadowInactive','shadowWarning','sambaKickoffTime') as $attr) {
$$attr = (isset($attrs[$attr][0]) ? $attrs[$attr][0] : NULL);
}
// Check if the account has reached its kick off limitations.
// ----------------------------------------------------------
// Once the accout reaches the kick off limit it has expired.
if ($sambaKickoffTime !== NULL) {
if (time() >= $sambaKickoffTime) {
return POSIX_ACCOUNT_EXPIRED;
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}
}
// Check if the account has expired.
// ---------------------------------
// An account is locked/expired once its expiration date has reached (shadowExpire).
// If the optional attribute (shadowInactive) is set, we've to postpone
// the account expiration by the amount of days specified in (shadowInactive).
if (($shadowExpire != NULL) && ($shadowExpire <= $current)) {
// The account seems to be expired, but we've to check 'shadowInactive' additionally.
// ShadowInactive specifies an amount of days we've to reprieve the user.
// It some kind of x days' grace.
if (($shadowInactive == NULL) || $current > $shadowExpire + $shadowInactive) {
// Finally we've detect that the account is deactivated.
return POSIX_ACCOUNT_EXPIRED;
}
}
// The users password is going to expire.
// --------------------------------------
// We've to warn the user in the case of an expiring account.
// An account is going to expire when it reaches its expiration date (shadowExpire).
// The user has to be warned, if the days left till expiration, match the
// configured warning period (shadowWarning)
// --> shadowWarning: Warn x days before account expiration.
if (($shadowExpire != NULL) && ($shadowWarning != NULL)) {
// Check if the account is still active and not already expired.
if ($shadowExpire >= $current) {
// Check if we've to warn the user by comparing the remaining
// number of days till expiration with the configured amount
// of days in shadowWarning.
if (($shadowExpire - $current) <= $shadowWarning) {
return POSIX_WARN_ABOUT_EXPIRATION;
}
}
}
// -- I guess this is the correct detection, isn't it?
if (($shadowLastChange != NULL) && ($shadowWarning != NULL) && ($shadowMax != NULL)) {
$daysRemaining = ($shadowLastChange + $shadowMax) - $current;
if ($daysRemaining > 0 && $daysRemaining <= $shadowWarning) {
return POSIX_WARN_ABOUT_EXPIRATION;
}
}
// Check if we've to force the user to change his password.
// --------------------------------------------------------
// A password change is enforced when the password is older than
// the configured amount of days (shadowMax).
// The age of the current password (shadowLastChange) plus the maximum
// amount amount of days (shadowMax) has to be smaller than the
// current timestamp.
if (($shadowLastChange != NULL) && ($shadowMax != NULL)) {
// Check if we've an outdated password.
if ($current >= ($shadowLastChange + $shadowMax)) {
return POSIX_FORCE_PASSWORD_CHANGE;
}
}
// Check if we've to freeze the users password.
// --------------------------------------------
// Once a user has changed his password, he cannot change it again
// for a given amount of days (shadowMin).
// We should not allow to change the password within FusionDirectory too.
if (($shadowLastChange != NULL) && ($shadowMin != NULL)) {
// Check if we've an outdated password.
981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050
if (($shadowLastChange + $shadowMin) >= $current) {
return POSIX_DISALLOW_PASSWORD_CHANGE;
}
}
return 0;
}
/* \brief Check if a user is a 'user admin'
*/
function is_user_admin()
{
global $config;
if (empty($this->ACLperPath)) {
$this->loadACL();
}
return ($this->get_permissions($config->current['BASE'], 'user/user') == 'rwcdm');
}
/* \brief Test if a plugin is blacklisted for this user (does not show up in the menu)
*/
function isBlacklisted($plugin)
{
global $config;
$blacklist = $config->get_cfg_value('PluginsMenuBlacklist', array());
foreach ($blacklist as $item) {
list ($group, $p) = explode('|', $item, 2);
if ($plugin == $p) {
if (in_array($group, $this->groups) || in_array($group, $this->roles)) {
return TRUE;
}
}
}
return FALSE;
}
/* \brief Search which ACL category should be used for this attribute and this object type, if any
*
* \return The ACL category, or FALSE if not found, or TRUE if acl check should be bypassed
*/
function getAttributeCategory($type, $attribute)
{
global $config;
if (in_array_ics($attribute, array('objectClass', 'dn'))) {
return TRUE;
}
if (is_array($type)) {
/* Used for recursion through subtabs */
$prefix = '';
$tabs = $type;
} else {
/* Usual workflow */
$infos = objects::infos($type);
$prefix = $infos['aclCategory'].'/';
$tabs = $config->data['TABS'][$infos['tabGroup']];
}
foreach ($tabs as $tab) {
$acls = pluglist::pluginInfos($tab['CLASS'])['plProvidedAcls'];
if (isset($acls[$attribute])) {
return $prefix.$tab['CLASS'];
}
if (isset($tab['SUBTABS'])) {
$acl = $this->getAttributeCategory($config->data['TABS'][$tab['SUBTABS']], $attribute);
if ($acl !== FALSE) {
return $prefix.$acl;
}
}
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}
return FALSE;
}
function getSizeLimitHandler()
{
return $this->sizeLimitHandler;
}
}
?>