LDAPAccountManager/lam/lib/config.inc

1770 lines
51 KiB
PHP

<?php
/*
$Id$
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2003 - 2012 Roland Gruber
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
*/
/**
* This file includes functions to manage the configuration files.
*
* @package configuration
* @author Roland Gruber
* @author Thomas Manninger
*/
/** Used to print messages. */
include_once("status.inc");
/** Used to get module information. */
include_once("modules.inc");
/** Used to get type information. */
include_once("types.inc");
/**
* Sets the environment variables for custom SSL CA certificates.
*/
function setSSLCaCert() {
// set SSL certificate if set
if (isset($_SESSION['cfgMain'])) {
$sslCaPath = $_SESSION['cfgMain']->getSSLCaCertPath();
if ($sslCaPath != null) {
putenv('LDAPTLS_CACERT=' . $sslCaPath);
putenv('TLS_CACERT=' . $sslCaPath);
}
}
}
/**
* Sets language settings for automatic translation
*/
function setlanguage() {
if (!isset($_SESSION['language'])) {
$_SESSION['language'] = "en_GB.utf8:UTF-8:English (Great Britain)";
}
$language = explode(":", $_SESSION['language']);
putenv("LANG=" . $language[0]); // e.g. LANG=de_DE
setlocale(LC_ALL, $language[0]); // set LC_ALL to de_DE
$locdir = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/locale"; // set path to translations
bindtextdomain("messages", $locdir);
bind_textdomain_codeset("messages", $language[1]);
textdomain("messages");
header("Content-type: text/html; charset=" . $language[1], true);
}
/**
* Checks whether a specific flag in the rights string is set.
*
* @param $right read,write or execute
* @param $target owner,group or other
* @param $chmod the chmod rights
*
* @return true, if the chmod $right for $target were set
*/
function checkChmod($right, $target, $chmod) {
$right_arr=array("read","write","execute");
$target_arr=array("owner","group","other");
// Check, if $right and $target has right parameters
if (!in_array($right, $right_arr) ||!in_array($target, $target_arr)) {
return false;
}
$chmod_num = -1;
// owner:
if ($target == "owner") $chmod_num = 0;
if ($target == "group") $chmod_num = 1;
if ($target == "other") $chmod_num = 2;
// Cut the number from the chmod:
$chmod_num = $chmod{$chmod_num};
// Now check, if the chmod_num can be right with the $right
// What numbers allow "read"
$read = array(4,5,6,7);
// What numbers allow "write"
$write = array(2,3,6,7);
// What numbers allow "execute"
$execute = array(1,3,5,7);
if (($right == "read") && in_array($chmod_num, $read)) return true;
elseif (($right == "write") && in_array($chmod_num, $write)) return true;
elseif (($right == "execute") && in_array($chmod_num, $execute)) return true;
else return false;
}
/**
* Returns an array of string with all available configuration profiles (without .conf)
*
* @return array profile names
*/
function getConfigProfiles() {
$dir = dir(substr(__FILE__, 0, strlen(__FILE__) - 15) . "/config");
$ret = array();
$pos = 0;
while ($entry = $dir->read()){
$ext = substr($entry, strlen($entry)-5, 5);
$name = substr($entry, 0, strlen($entry)-5);
// check if extension is right, add to profile list
if ($ext == ".conf") {
$ret[$pos] = $name;
$pos ++;
}
}
sort($ret);
return $ret;
}
/**
* Deletes the given server profile.
*
* @param String $name profile name
* @return String null if success or error message if failed
*/
function deleteConfigProfile($name) {
if (!preg_match("/^[a-z0-9_-]+$/i", $name)) {
return _("Unable to delete profile!");
}
$dir = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/config/";
// delete account profiles and PDF structures
$subDirs = array($dir . 'pdf/' . $name . '/logos', $dir . 'pdf/' . $name, $dir . 'profiles/' . $name);
for ($i = 0; $i < sizeof($subDirs); $i++) {
if (is_dir($subDirs[$i])) {
$dirHandle = @opendir($subDirs[$i]);
while (false !== ($path = readdir($dirHandle))) {
if ($path != '.' && $path != '..') {
if (!@unlink($subDirs[$i] . '/' . $path)) {
logNewMessage(LOG_ERR, 'Unable to delete ' . $subDirs[$i] . '/' . $path);
return _("Unable to delete profile!");
}
}
}
@closedir($dirHandle);
if (!@rmdir($subDirs[$i])) {
logNewMessage(LOG_ERR, 'Unable to delete ' . $subDirs[$i]);
return _("Unable to delete profile!");
}
}
}
// delete config file
$confFile = $dir . $_POST['delfilename'] . ".conf";
if (!@unlink($confFile)) {
logNewMessage(LOG_ERR, 'Unable to delete ' . $confFile);
return _("Unable to delete profile!");
}
}
/**
* Returns the version number of this LAM installation.
* Format: <major version>.<minor version>.<patch level>
* <br> Major/minor version are always numbers, patch level may contain letters for inofficial releases only (e.g. 0.5.alpha1).
*
* @return string version number
*/
function LAMVersion() {
$file = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/VERSION";
if (is_readable($file)) {
$handle = fopen($file, "r");
if (!feof($handle)) {
return trim(fgets($handle, 20));
}
}
// file was not readable
return '0.0.unknown';
}
/**
* Prints a meta refresh page
*
* @param string $page the URL of the target page
*/
function metaRefresh($page) {
if (isset($_SESSION['header'])) {
echo $_SESSION['header'];
}
else {
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">';
echo "<html><head>\n";
}
echo "<meta http-equiv=\"refresh\" content=\"0; URL=" . $page . "\">\n";
echo "<title></title>\n";
echo "</head>\n";
echo "<body>\n";
// print link if refresh does not work
echo "<p>\n";
echo "<a href=\"" . $page . "\">" . _("Click here if you are not directed to the next page.") . "</a>\n";
echo "</p>\n";
echo "</body>\n";
echo "</html>\n";
}
/**
* Checks if the given account type is hidden.
*
* @param String $type account type (e.g. user)
* @return boolean is hidden
*/
function isAccountTypeHidden($type) {
$typeSettings = $_SESSION['config']->get_typeSettings();
return isset($typeSettings['hidden_' . $type]) && ($typeSettings['hidden_' . $type] == true);
}
/**
* This class manages .conf files.
*
* @package configuration
*/
class LAMConfig {
/* access levels */
const ACCESS_ALL = 100;
const ACCESS_PASSWORD_CHANGE = 20;
const ACCESS_READ_ONLY = 0;
/* return codes for saving configuration file */
const SAVE_OK = 0;
const SAVE_FAIL = 1;
/* login method: predefined list or LDAP search */
const LOGIN_LIST = 'list';
const LOGIN_SEARCH = 'search';
/** line separator */
const LINE_SEPARATOR = '+::+';
/** Server address (e.g. ldap://127.0.0.1:389) */
private $ServerURL;
/** enables/disables TLS encryption */
private $useTLS;
/** Array of string: users with admin rights */
private $Admins;
/** Password to edit preferences */
private $Passwd;
/** LDAP suffix for tree view */
private $treesuffix;
/** Default language */
private $defaultLanguage;
/** module settings */
private $moduleSettings = array();
/** type settings */
private $typeSettings = array();
/** tool settings */
private $toolSettings = array();
/**
* Path to external lamdaemon script on server where it is executed
*
* This is used for managing quota and home directories.
* optional setting, may not be defined
*/
private $scriptPath;
/**
* The rights for the home directory
*/
private $scriptRights = '750';
/**
* Servers where lamdaemon script is executed
*
* This is used for managing quota and home directories.
* optional setting, may not be defined
*/
private $scriptServer;
/** LDAP cache timeout */
private $cachetimeout;
/** LDAP search limit */
private $searchLimit = 0;
/** Active account types */
private $activeTypes = "user,group,host,smbDomain";
/** Name of configuration file */
private $file;
/** access level */
private $accessLevel = LAMconfig::ACCESS_ALL;
/** login method */
private $loginMethod = LAMconfig::LOGIN_LIST;
/** search suffix for login */
private $loginSearchSuffix = 'dc=yourdomain,dc=org';
/** search filter for login */
private $loginSearchFilter = 'uid=%USER%';
/** bind user for login search */
private $loginSearchDN = '';
/** bind password for login search */
private $loginSearchPassword = '';
/** specifies if HTTP authentication should be used */
private $httpAuthentication = 'false';
/** email address for sender of password reset mails */
private $lamProMailFrom = '';
/** reply-to email address for password reset mails */
private $lamProMailReplyTo = '';
/** subject for password reset mails */
private $lamProMailSubject = '';
/** treat password reset mail body as HTML */
private $lamProMailIsHTML = 'false';
/** mail body for password reset mails */
private $lamProMailText = '';
/** List of all settings in config file */
private $settings = array("ServerURL", "useTLS", "Passwd", "Admins", "treesuffix",
"defaultLanguage", "scriptPath", "scriptServer", "scriptRights", "cachetimeout",
"modules", "activeTypes", "types", "tools", "accessLevel", 'loginMethod', 'loginSearchSuffix',
'loginSearchFilter', 'searchLimit', 'lamProMailFrom', 'lamProMailReplyTo', 'lamProMailSubject',
'lamProMailText', 'lamProMailIsHTML', 'httpAuthentication', 'loginSearchDN', 'loginSearchPassword');
/**
* Loads preferences from config file
*
* @param String $file file name without ".conf" (e.g. lam)
*/
function __construct($file) {
if (empty($file) || !preg_match("/^[a-z0-9_-]+$/i", $file)) {
logNewMessage(LOG_ERR, 'Invalid config file name: ' . $file);
die();
}
// load first profile if none is given
if (!is_string($file)) {
$profiles = getConfigProfiles();
$file = $profiles[0];
}
$this->file = $file;
$this->reload();
}
/**
* Reloads preferences from config file
*
* @return boolean true if file was readable
*/
private function reload() {
$conffile = $this->getPath();
if (is_file($conffile) == True) {
$file = @fopen($conffile, "r");
if (!$file) return false; // abort if file is not readable
while (!feof($file)) {
$line = fgets($file, 100000);
$line = trim($line); // remove spaces at the beginning and end
if (($line == "")||($line[0] == "#")) continue; // ignore comments and empty lines
// search keywords
for ($i = 0; $i < sizeof($this->settings); $i++) {
$keyword = $this->settings[$i];
$keylen = strlen($keyword);
if (strtolower(substr($line, 0, $keylen + 2)) == strtolower($keyword . ": ")) {
// module settings
if (strtolower(substr($line, 0, $keylen + 2)) == "modules: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$this->moduleSettings[substr($option, 0, $pos)] = explode(LAMConfig::LINE_SEPARATOR, substr($option, $pos + 2));
}
// type settings
elseif (strtolower(substr($line, 0, $keylen + 2)) == "types: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$this->typeSettings[substr($option, 0, $pos)] = substr($option, $pos + 2);
}
// tool settings
elseif (strtolower(substr($line, 0, $keylen + 2)) == "tools: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$this->toolSettings[substr($option, 0, $pos)] = substr($option, $pos + 2);
}
// general settings
else {
$this->$keyword = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
}
break;
}
elseif (strtolower($line) == strtolower($keyword . ":")) {
// set empty options
$this->$keyword = '';
}
}
}
fclose($file);
}
// check types
$allTypes = getTypes();
$activeTypes = $this->get_ActiveTypes();
for ($i = 0; $i < sizeof($activeTypes); $i++) {
if (!in_array($activeTypes[$i], $allTypes)) {
unset($activeTypes[$i]);
}
}
$activeTypes = array_values($activeTypes);
$this->set_ActiveTypes($activeTypes);
// check modules
$scopes = $this->get_ActiveTypes();
for ($s = 0; $s < sizeof($scopes); $s++) {
$scope = $scopes[$s];
$moduleVar = "modules_" . $scope;
if (isset($this->typeSettings[$moduleVar])){
$modules = explode(",", $this->typeSettings[$moduleVar]);
$available = getAvailableModules($scope);
// only return available modules
$ret = array();
for ($i = 0; $i < sizeof($modules); $i++) {
if (in_array($modules[$i], $available)) $ret[] = $modules[$i];
}
$this->typeSettings[$moduleVar] = implode(",", $ret);
}
}
return true;
}
/** Saves preferences to config file */
public function save() {
$conffile = $this->getPath();
if (is_file($conffile) == True) {
$file = fopen($conffile, "r");
$file_array = array();
// read config file
while (!feof($file)) {
array_push($file_array, fgets($file, 1024));
}
fclose($file);
// generate new configuration file
$saved = array(); // includes all settings which have been saved
$mod_saved = array(); // includes all module settings which have been saved
for ($i = 0; $i < sizeof($file_array); $i++) {
$line = trim($file_array[$i]);
if (($line == "")||($line[0] == "#")) continue; // ignore comments and empty lines
// search for keywords
for ($k = 0; $k < sizeof($this->settings); $k++) {
$keyword = $this->settings[$k];
$keylen = strlen($keyword);
if (strtolower(substr($line, 0, $keylen + 1)) == strtolower($keyword . ":")) {
// module settings
if (strtolower(substr($line, 0, $keylen + 2)) == "modules: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$name = substr($option, 0, $pos);
if (!isset($this->moduleSettings[$name])) continue;
$file_array[$i] = "modules: " . $name . ": " . implode(LAMConfig::LINE_SEPARATOR, $this->moduleSettings[$name]) . "\n";
$mod_saved[] = $name; // mark keyword as saved
}
// type settings
elseif (strtolower(substr($line, 0, $keylen + 2)) == "types: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$name = substr($option, 0, $pos);
if (!isset($this->typeSettings[$name])) continue;
$file_array[$i] = "types: " . $name . ": " . $this->typeSettings[$name] . "\n";
$mod_saved[] = $name; // mark keyword as saved
}
// tool settings
elseif (strtolower(substr($line, 0, $keylen + 2)) == "tools: ") {
$option = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
$pos = strpos($option, ":");
$name = substr($option, 0, $pos);
if (!isset($this->toolSettings[$name])) continue;
$file_array[$i] = "tools: " . $name . ": " . $this->toolSettings[$name] . "\n";
$mod_saved[] = $name; // mark keyword as saved
}
// general settings
else {
$file_array[$i] = $keyword . ": " . $this->$keyword . "\n";
$saved[] = $keyword; // mark keyword as saved
}
break;
}
}
}
// check if we have to add new entries (e.g. if user upgraded LAM and has an old config file)
if (!in_array("ServerURL", $saved)) array_push($file_array, "\n\n# server address (e.g. ldap://localhost:389 or ldaps://localhost:636)\n" . "serverURL: " . $this->ServerURL . "\n");
if (!in_array("useTLS", $saved)) array_push($file_array, "\n\n# enable TLS encryption\n" . "useTLS: " . $this->useTLS . "\n");
if (!in_array("Passwd", $saved)) array_push($file_array, "\n\n# password to change these preferences via webfrontend\n" . "passwd: " . $this->Passwd . "\n");
if (!in_array("Admins", $saved)) array_push($file_array, "\n\n# list of users who are allowed to use LDAP Account Manager\n" .
"# names have to be seperated by semicolons\n" .
"# e.g. admins: cn=admin,dc=yourdomain,dc=org;cn=root,dc=yourdomain,dc=org\n" . "admins: " . $this->Admins . "\n");
if (!in_array("treesuffix", $saved)) array_push($file_array, "\n\n# suffix of tree view\n" .
"# e.g. dc=yourdomain,dc=org\n" . "treesuffix: " . $this->treesuffix . "\n");
if (!in_array("defaultLanguage", $saved)) array_push($file_array, "\n\n# default language (a line from config/language)\n" . "defaultLanguage: " . $this->defaultLanguage . "\n");
if (!in_array("scriptPath", $saved)) array_push($file_array, "\n\n# Path to external Script\n" . "scriptPath: " . $this->scriptPath . "\n");
if (!in_array("scriptServer", $saved)) array_push($file_array, "\n\n# Servers of external script\n" . "scriptServer: " . $this->scriptServer . "\n");
if (!in_array("scriptRights", $saved)) array_push($file_array, "\n\n# Access rights for home directories\n" . "scriptRights: " . $this->scriptRights . "\n");
if (!in_array("cachetimeout", $saved)) array_push($file_array, "\n\n# Number of minutes LAM caches LDAP searches.\n" . "cacheTimeout: " . $this->cachetimeout . "\n");
if (!in_array("searchLimit", $saved)) array_push($file_array, "\n\n# LDAP search limit.\n" . "searchLimit: " . $this->searchLimit . "\n");
if (!in_array("activeTypes", $saved)) array_push($file_array, "\n\n# List of active account types.\n" . "activeTypes: " . $this->activeTypes . "\n");
if (!in_array("accessLevel", $saved)) array_push($file_array, "\n\n# Access level for this profile.\n" . "accessLevel: " . $this->accessLevel . "\n");
if (!in_array("loginMethod", $saved)) array_push($file_array, "\n\n# Login method.\n" . "loginMethod: " . $this->loginMethod . "\n");
if (!in_array("loginSearchSuffix", $saved)) array_push($file_array, "\n\n# Search suffix for LAM login.\n" . "loginSearchSuffix: " . $this->loginSearchSuffix . "\n");
if (!in_array("loginSearchFilter", $saved)) array_push($file_array, "\n\n# Search filter for LAM login.\n" . "loginSearchFilter: " . $this->loginSearchFilter . "\n");
if (!in_array("loginSearchDN", $saved)) array_push($file_array, "\n\n# Bind DN for login search.\n" . "loginSearchDN: " . $this->loginSearchDN . "\n");
if (!in_array("loginSearchPassword", $saved)) array_push($file_array, "\n\n# Bind password for login search.\n" . "loginSearchPassword: " . $this->loginSearchPassword . "\n");
if (!in_array("httpAuthentication", $saved)) array_push($file_array, "\n\n# HTTP authentication for LAM login.\n" . "httpAuthentication: " . $this->httpAuthentication . "\n");
if (!in_array("lamProMailFrom", $saved)) array_push($file_array, "\n\n# Password mail from\n" . "lamProMailFrom: " . $this->lamProMailFrom . "\n");
if (!in_array("lamProMailReplyTo", $saved)) array_push($file_array, "\n\n# Password mail reply-to\n" . "lamProMailReplyTo: " . $this->lamProMailReplyTo . "\n");
if (!in_array("lamProMailSubject", $saved)) array_push($file_array, "\n\n# Password mail subject\n" . "lamProMailSubject: " . $this->lamProMailSubject . "\n");
if (!in_array("lamProMailIsHTML", $saved)) array_push($file_array, "\n\n# Password mail is HTML\n" . "lamProMailIsHTML: " . $this->lamProMailIsHTML . "\n");
if (!in_array("lamProMailText", $saved)) array_push($file_array, "\n\n# Password mail text\n" . "lamProMailText: " . $this->lamProMailText . "\n");
// check if all module settings were added
$m_settings = array_keys($this->moduleSettings);
for ($i = 0; $i < sizeof($m_settings); $i++) {
if (!in_array($m_settings[$i], $mod_saved)) {
array_push($file_array, "modules: " . $m_settings[$i] . ": " . implode(LAMConfig::LINE_SEPARATOR, $this->moduleSettings[$m_settings[$i]]) . "\n");
}
}
// check if all type settings were added
$t_settings = array_keys($this->typeSettings);
for ($i = 0; $i < sizeof($t_settings); $i++) {
if (!in_array($t_settings[$i], $mod_saved)) {
array_push($file_array, "types: " . $t_settings[$i] . ": " . $this->typeSettings[$t_settings[$i]] . "\n");
}
}
// check if all tool settings were added
$tool_settings = array_keys($this->toolSettings);
for ($i = 0; $i < sizeof($tool_settings); $i++) {
if (!in_array($tool_settings[$i], $mod_saved)) {
array_push($file_array, "tools: " . $tool_settings[$i] . ": " . $this->toolSettings[$tool_settings[$i]] . "\n");
}
}
$file = @fopen($conffile, "w");
$saveResult = LAMConfig::SAVE_OK;
if ($file) {
for ($i = 0; $i < sizeof($file_array); $i++) fputs($file, $file_array[$i]);
fclose($file);
@chmod($conffile, 0600);
}
else {
$saveResult = LAMConfig::SAVE_FAIL;
}
return $saveResult;
}
}
/**
* Returns the name of the config file
*
* @return String name
*/
public function getName() {
return $this->file;
}
/**
* Returns if the file can be written on the filesystem.
*
* @return boolean true if file is writable
*/
public function isWritable() {
return is_writeable($this->getPath());
}
/**
* Returns the path to the config file.
*
* @return string path on filesystem
*/
public function getPath() {
return substr(__FILE__, 0, strlen(__FILE__) - 15) . "/config/" . $this->file . ".conf";
}
// functions to read/write preferences
/**
* Returns the server address as string
*
* @return string server address
*/
public function get_ServerURL() {
return $this->ServerURL;
}
/**
* Sets the server address
*
* @param string $value new server address
* @return boolean true if $value has correct format
*/
public function set_ServerURL($value) {
if (is_string($value)) $this->ServerURL = $value;
else return false;
return true;
}
/**
* Returns if TLS is activated.
*
* @return String yes or no
*/
public function getUseTLS() {
return $this->useTLS;
}
/**
* Sets if TLS is activated.
*
* @param String yes or no
* @return boolean true if $useTLS has correct format
*/
public function setUseTLS($useTLS) {
if (($useTLS == "yes") || ($useTLS == "no")) {
$this->useTLS = $useTLS;
return true;
}
return false;
}
/**
* Returns an array of string with all admin names
*
* @return array the admin names
*/
public function get_Admins() {
return explode(";", $this->Admins);
}
/**
* Returns all admin users seperated by semicolons
*
* @return string the admin string
*/
public function get_Adminstring() {
return $this->Admins;
}
/**
* Sets the admin string
*
* @param string $value new admin string that contains all admin users seperated by semicolons
* @return boolean true if $value has correct format
*/
public function set_Adminstring($value) {
if (is_string($value) &&
preg_match("/^[^;]+(;[^;]+)*$/", $value)) {
$this->Admins = $value;
}
else return false;
return true;
}
/**
* Checks if the given password matches.
*
* @param String $password
* @return boolean true, if matches
*/
public function check_Passwd($password) {
if (substr($this->Passwd, 0, 6) == "{SSHA}") {
// check hashed password
$value = substr($this->Passwd, 6);
$parts = explode(" ", $value);
$salt = base64_decode($parts[1]);
return ($this->hashPassword($password, $salt) === $this->Passwd);
}
else {
// old nonhashed password
return ($password === $this->Passwd);
}
}
/**
* Sets the preferences wizard password
*
* @param string $value new password
* @return boolean true if $value has correct format
*/
public function set_Passwd($value) {
if (is_string($value)) {
mt_srand((microtime() * 1000000));
$rand = getRandomNumber();
$salt0 = substr(pack("h*", md5($rand)), 0, 8);
$salt = substr(pack("H*", sha1($salt0 . $value)), 0, 4);
$this->Passwd = $this->hashPassword($value, $salt);
return true;
}
else {
return false;
}
}
/**
* Returns the hashed password.
*
* @param String $password password
* @param String $salt salt
* @return String hash value
*/
private function hashPassword($password, $salt) {
return "{SSHA}" . base64_encode(convertHex2bin(sha1($password . $salt))) . " " . base64_encode($salt);
}
/**
* Returns the LDAP suffix for the given account type
*
* @param string $scope account type
* @return string the LDAP suffix
*/
public function get_Suffix($scope) {
if ($scope == "tree") {
return $this->treesuffix;
}
else {
return $this->typeSettings['suffix_' . $scope];
}
}
/**
* Sets the LDAP suffix where accounts are saved
*
* @param string $scope account type
* @param string $value new LDAP suffix
* @return boolean true if $value has correct format
*/
public function set_Suffix($scope, $value) {
if (!$value) $value = "";
elseif (!is_string($value)) {
return false;
}
if ($scope == "tree") {
$this->treesuffix = $value;
}
else {
$this->typeSettings['suffix_' . $scope] = $value;
}
return true;
}
/**
* Returns the list of attributes to show in user list
*
* @param string $scope account type
* @return string the attribute list
*/
public function get_listAttributes($scope) {
return $this->typeSettings['attr_' . $scope];
}
/**
* Sets the list of attributes to show in user list
*
* @param string $value new attribute string
* @param string $scope account type
* @return boolean true if $value has correct format
*/
public function set_listAttributes($value, $scope) {
if (is_string($value) && preg_match("/^((#[^:;]+)|([^:;]*:[^:;]+))(;((#[^:;]+)|([^:;]*:[^:;]+)))*$/", $value)) {
$this->typeSettings['attr_' . $scope] = $value;
return true;
}
else {
return false;
}
}
/**
* Returns the default language string
*
* @return string default language
*/
public function get_defaultLanguage() {
return $this->defaultLanguage;
}
/**
* Sets the default language string
*
* @param string $value new default language
* @return boolean true if $value has correct format
*/
public function set_defaultLanguage($value) {
if (is_string($value)) $this->defaultLanguage = $value;
else return false;
return true;
}
/**
* Returns the path to the external script
*
* @return string script path
*/
public function get_scriptPath() {
return $this->scriptPath;
}
/**
* Sets the path to the external script
*
* @param string $value new script path
* @return boolean true if $value has correct format
*/
public function set_scriptPath($value) {
if (!$value) $this->scriptPath = ""; // optional parameter
elseif (is_string($value) && preg_match("/^\\/([a-z0-9_-])+(\\/([a-z0-9_\\.-])+)+$/i", $value)) $this->scriptPath = $value;
else return false;
return true;
}
/**
* Returns the servers of the external script as a Array
*
* @return string script servers
*/
public function get_scriptServers() {
return $this->scriptServer;
}
/**
* Sets the servers of the external script
*
* @param string $value new script servers
* @return boolean true if $value has correct format
*/
public function set_scriptServers($value) {
if (!$value) {
$this->scriptServer = ""; // optional parameter
return true;
}
// Explode the value to an array
$array_string = explode(";", $value);
if (count($array_string) > 0) {
// Check all IPs in the exploded Array
$valid_ips = array();
foreach($array_string as $arr_value) {
// Explode name and IP, if a name exists
if (preg_match("/:/", $arr_value)) {
$arr_value_explode = explode(":", $arr_value);
$ip = $arr_value_explode[1];
$servername = $arr_value_explode[0];
}
else {
$ip = $arr_value;
$servername = "";
}
if (isset($ip) && is_string($ip) && preg_match("/^[a-z0-9-]+(\\.[a-z0-9-]+)*(,[0-9]+)?$/i", $ip)) {
// Check if the IP has a server name
if (!empty($servername)) {
$valid_ips[] = $servername.":".$ip;
}
else {
$valid_ips[] = $ip;
}
}
else {
// wrong format
return false;
}
}
// Check that the array is not empty
if ($array_string > 0) {
$this->scriptServer = implode(";", $valid_ips);
return true;
}
else {
// The array is empty, there was no valid IP
return false;
}
}
else {
return false;
}
}
/**
* Returns the chmod value for new home directories.
*
* @return string rights
*/
public function get_scriptRights() {
if (!isset($this->scriptRights)) return '755';
return $this->scriptRights;
}
/**
* Sets the rights for the home directory.
*
* @param string $chmod the rights
* @return boolean true if values has correct format
*/
public function set_scriptRights($chmod) {
// check if the chmod is correct:
if ($chmod > 0 && $chmod <=777) {
$this->scriptRights=$chmod;
return true;
}
else {
return false;
}
}
/**
* Returns the LDAP cache timeout in minutes
*
* @return integer cache time
*/
public function get_cacheTimeout() {
if (isset($this->cachetimeout)) return $this->cachetimeout;
else return 5;
}
/**
* Returns the LDAP cache timeout in seconds
*
* @return integer cache time
*/
public function get_cacheTimeoutSec() {
return $this->cachetimeout * 60;
}
/**
* Sets the LDAP cache timeout in minutes (0,1,2,5,10,15)
*
* @param integer $value new cache timeout
* @return boolean true if $value has correct format
*/
public function set_cacheTimeout($value) {
if (is_numeric($value) && ($value > -1)) {
$this->cachetimeout = $value;
}
else return false;
return true;
}
/**
* Returns the LDAP search limit.
*
* @return integer search limit
*/
public function get_searchLimit() {
return $this->searchLimit;
}
/**
* Sets the LDAP search limit.
*
* @param integer $value new search limit
* @return boolean true if $value has correct format
*/
public function set_searchLimit($value) {
if (is_numeric($value) && ($value > -1)) {
$this->searchLimit = $value;
}
else return false;
return true;
}
/**
* Returns an array of all selected account modules
*
* @param string $scope account type
* @return array user modules
*/
public function get_AccountModules($scope) {
if (isset($this->typeSettings["modules_" . $scope])) {
$modulesTmp = explode(",", $this->typeSettings["modules_" . $scope]);
$modules = array();
foreach ($modulesTmp as $mod) {
if (trim($mod) != '') {
$modules[] = $mod;
}
}
return $modules;
}
else {
return array();
}
}
/**
* Sets the selected account modules
*
* @param array $modules array with module names (not aliases!)
* @param string $scope account type
* @return boolean true if $modules has correct format
*/
public function set_AccountModules($modules, $scope) {
if (! is_array($modules)) return false;
// check module names
$available = getAvailableModules($scope);
for ($i = 0; $i < sizeof($modules); $i++) {
if (! in_array($modules[$i], $available)) return false;
}
// check depends/conflicts
if (check_module_conflicts($modules, getModulesDependencies($scope)) != false) return false;
if (check_module_depends($modules, getModulesDependencies($scope)) != false) return false;
$this->typeSettings["modules_" . $scope] = implode(",", $modules);
return true;
}
/**
* Sets the settings for the account modules.
*
* @param array $settings list of module setting array(name => value)
* @return boolean true if $settings has correct format
*/
public function set_moduleSettings($settings) {
if (!is_array($settings)) return false;
$this->moduleSettings = $settings;
return true;
}
/**
* Returns a list of saved module settings
*
* @return array list of settings: array(name => value)
*/
public function get_moduleSettings() {
return $this->moduleSettings;
}
/**
* Returns a list of active account types.
*
* @return array list of types
*/
public function get_ActiveTypes() {
if (($this->activeTypes == '') || !isset($this->activeTypes)) return array();
else return explode(",", $this->activeTypes);
}
/**
* Sets the list of active types.
*
* @param array list of types
*/
public function set_ActiveTypes($types) {
$this->activeTypes = implode(",", $types);
}
/**
* Sets the settings for the account types.
*
* @param array $settings list of type setting array(name => value)
* @return boolean true if $settings has correct format
*/
public function set_typeSettings($settings) {
if (!is_array($settings)) return false;
$this->typeSettings = $settings;
return true;
}
/**
* Returns a list of saved type settings
*
* @return array list of settings: array(name => value)
*/
public function get_typeSettings() {
return $this->typeSettings;
}
/**
* Returns the tool settings.
*
* @return array $toolSettings tool settings
*/
public function getToolSettings() {
return $this->toolSettings;
}
/**
* Sets the tool settings.
*
* @param array $toolSettings tool settings
* @return boolean true if ok
*/
public function setToolSettings($toolSettings) {
if (!is_array($toolSettings)) return false;
$this->toolSettings = $toolSettings;
return true;
}
/**
* Returns the access level for this profile.
*
* @return int level
*/
public function getAccessLevel() {
return $this->accessLevel;
}
/**
* Sets the access level for this profile.
*
* @param int $level level
*/
public function setAccessLevel($level) {
$this->accessLevel = $level;
}
/**
* Returns the login method.
*
* @return String login method
* @see LAMconfig::LOGIN_LIST
* @see LAMconfig::LOGIN_SEARCH
*/
public function getLoginMethod() {
return $this->loginMethod;
}
/**
* Sets the login method.
*
* @param String $loginMethod
*/
public function setLoginMethod($loginMethod) {
$this->loginMethod = $loginMethod;
}
/**
* Returns the login search filter.
*
* @return String search filter
*/
public function getLoginSearchFilter() {
return $this->loginSearchFilter;
}
/**
* Sets the login search filter.
*
* @param String $loginSearchFilter search filter
*/
public function setLoginSearchFilter($loginSearchFilter) {
$this->loginSearchFilter = $loginSearchFilter;
}
/**
* Returns the login search suffix.
*
* @return String suffix
*/
public function getLoginSearchSuffix() {
return $this->loginSearchSuffix;
}
/**
* Sets the login search suffix.
*
* @param String $loginSearchSuffix suffix
*/
public function setLoginSearchSuffix($loginSearchSuffix) {
$this->loginSearchSuffix = $loginSearchSuffix;
}
/**
* Sets the DN for the login search bind user.
*
* @param String $loginSearchDN DN
* @return boolean true if DN is valid
*/
public function setLoginSearchDN($loginSearchDN) {
$this->loginSearchDN = $loginSearchDN;
if (($loginSearchDN == '') || get_preg($loginSearchDN, 'dn')) {
return true;
}
return false;
}
/**
* Returns the DN for the login search bind user.
*
* @return String DN
*/
public function getLoginSearchDN() {
return $this->loginSearchDN;
}
/**
* Sets the password for the login search bind user.
*
* @param String $loginSearchPassword password
*/
public function setLoginSearchPassword($loginSearchPassword) {
$this->loginSearchPassword = $loginSearchPassword;
}
/**
* Returns the password for the login search bind user.
*
* @return String password
*/
public function getLoginSearchPassword() {
return $this->loginSearchPassword;
}
/**
* Returns if HTTP authentication should be used.
*
* @return String $httpAuthentication use HTTP authentication ('true' or 'false')
*/
public function getHttpAuthentication() {
return $this->httpAuthentication;
}
/**
* Specifies if HTTP authentication should be used.
*
* @param String $httpAuthentication use HTTP authentication ('true' or 'false')
*/
public function setHttpAuthentication($httpAuthentication) {
$this->httpAuthentication = $httpAuthentication;
}
/**
* Returns the sender address for password reset mails.
*
* @return String mail address
*/
public function getLamProMailFrom() {
return $this->lamProMailFrom;
}
/**
* Sets the sender address for password reset mails.
*
* @param String $lamProMailFrom mail address
* @return boolean true if address is valid
*/
public function setLamProMailFrom($lamProMailFrom) {
$this->lamProMailFrom = $lamProMailFrom;
if (($lamProMailFrom != '') && !get_preg($lamProMailFrom, 'email') && !get_preg($lamProMailFrom, 'emailWithName')) {
return false;
}
return true;
}
/**
* Returns the reply-to address for password reset mails.
*
* @return String mail address
*/
public function getLamProMailReplyTo() {
return $this->lamProMailReplyTo;
}
/**
* Sets the reply-to address for password reset mails.
*
* @param String $lamProMailReplyTo mail address
* @return boolean true if address is valid
*/
public function setLamProMailReplyTo($lamProMailReplyTo) {
$this->lamProMailReplyTo = $lamProMailReplyTo;
if (($lamProMailReplyTo != '') && !get_preg($lamProMailReplyTo, 'email') && !get_preg($lamProMailReplyTo, 'emailWithName')) {
return false;
}
return true;
}
/**
* Returns the subject for password reset mails.
*
* @return String subject
*/
public function getLamProMailSubject() {
return $this->lamProMailSubject;
}
/**
* Sets the subject for password reset mails.
*
* @param String $lamProMailSubject subject
*/
public function setLamProMailSubject($lamProMailSubject) {
$this->lamProMailSubject = $lamProMailSubject;
}
/**
* Returns if the password reset mail content should be treated as HTML.
*
* @return boolean HTML or text
*/
public function getLamProMailIsHTML() {
return $this->lamProMailIsHTML;
}
/**
* Sets if the password reset mail content should be treated as HTML.
*
* @param boolean $lamProMailIsHTML
*/
public function setLamProMailIsHTML($lamProMailIsHTML) {
$this->lamProMailIsHTML = $lamProMailIsHTML;
}
/**
* Returns the mail body for password reset mails.
*
* @return String body
*/
public function getLamProMailText() {
return implode("\r\n", explode(LAMConfig::LINE_SEPARATOR, $this->lamProMailText));
}
/**
* Sets the mail body for password reset mails.
*
* @param String $lamProMailText body
*/
public function setLamProMailText($lamProMailText) {
$this->lamProMailText = implode(LAMConfig::LINE_SEPARATOR, explode("\r\n", $lamProMailText));
}
}
/**
* This class manages config.cfg.
*
* @package configuration
*/
class LAMCfgMain {
/** Default profile */
public $default;
/** Password to change config.cfg */
private $password;
/** Time of inactivity before session times out (minutes) */
public $sessionTimeout;
/** log level */
public $logLevel;
/** log destination ("SYSLOG":syslog, "/...":file, "NONE":none) */
public $logDestination;
/** list of hosts which may access LAM */
public $allowedHosts;
/** minimum length for passwords */
public $passwordMinLength = 0;
/** minimum uppercase characters */
public $passwordMinUpper = 0;
/** minimum lowercase characters */
public $passwordMinLower = 0;
/** minimum numeric characters */
public $passwordMinNumeric = 0;
/** minimum symbol characters */
public $passwordMinSymbol = 0;
/** minimum character classes (upper, lower, numeric, symbols) */
public $passwordMinClasses = 0;
/** path to config file */
private $conffile;
/** uploaded SSL certificate that is stored to disk on save() */
private $uploadedSSLCaCert = null;
/** SSL certificate should be deleted on save() */
private $delSSLCaCert = false;
/** EOL for emails (default/unix) */
public $mailEOL = 'default';
/** list of data fields to save in config file */
private $settings = array("password", "default", "sessionTimeout",
"logLevel", "logDestination", "allowedHosts", "passwordMinLength",
"passwordMinUpper", "passwordMinLower", "passwordMinNumeric",
"passwordMinClasses", "passwordMinSymbol", "mailEOL");
/**
* Loads preferences from config file
*/
function __construct() {
$this->conffile = substr(__FILE__, 0, strlen(__FILE__) - 15) . "/config/config.cfg";
// set default values
$this->sessionTimeout = 30;
$this->logLevel = LOG_NOTICE;
$this->logDestination = "SYSLOG";
$this->allowedHosts = "";
$this->reload();
}
/**
* Reloads preferences from config file config.cfg
*
* @return boolean true if file was readable
*/
private function reload() {
if (is_file($this->conffile) == True) {
$file = @fopen($this->conffile, "r");
if (!$file) return false; // abort if file is not readable
while (!feof($file)) {
$line = fgets($file, 1024);
$line = trim($line); // remove spaces at the beginning and end
if (($line == "")||($line[0] == "#")) continue; // ignore comments
// search keywords
for ($i = 0; $i < sizeof($this->settings); $i++) {
$keyword = $this->settings[$i];
$keylen = strlen($keyword);
if (strtolower(substr($line, 0, $keylen + 2)) == strtolower($keyword . ": ")) {
$this->$keyword = substr($line, $keylen + 2, strlen($line) - $keylen - 2);
break;
}
}
}
fclose($file);
}
return true;
}
/**
* Saves preferences to config file config.cfg
*/
public function save() {
if (is_file($this->conffile) == True) {
$file = fopen($this->conffile, "r");
$file_array = array();
// read config file
while (!feof($file)) {
array_push($file_array, fgets($file, 1024));
}
fclose($file);
// generate new configuration file
$saved = array();
for ($i = 0; $i < sizeof($file_array); $i++) {
$line = trim($file_array[$i]);
if (($line == "")||($line[0] == "#")) continue; // ignore comments and empty lines
// search keywords
for ($k = 0; $k < sizeof($this->settings); $k++) {
$keyword = $this->settings[$k];
$keylen = strlen($keyword);
if (strtolower(substr($line, 0, $keylen + 1)) == strtolower($keyword . ":")) {
$file_array[$i] = $keyword . ": " . $this->$keyword . "\n";
$saved[] = $keyword; // mark keyword as saved
break;
}
}
}
}
// check if we have to add new entries (e.g. if user upgraded LAM and has an old config file)
if (!in_array("password", $saved)) array_push($file_array, "\n\n# password to add/delete/rename configuration profiles\n" . "password: " . $this->password);
if (!in_array("default", $saved)) array_push($file_array, "\n\n# default profile, without \".conf\"\n" . "default: " . $this->default);
if (!in_array("sessionTimeout", $saved)) array_push($file_array, "\n\n# session timeout in minutes\n" . "sessionTimeout: " . $this->sessionTimeout);
if (!in_array("logLevel", $saved)) array_push($file_array, "\n\n# log level\n" . "logLevel: " . $this->logLevel);
if (!in_array("logDestination", $saved)) array_push($file_array, "\n\n# log destination\n" . "logDestination: " . $this->logDestination);
if (!in_array("allowedHosts", $saved)) array_push($file_array, "\n\n# list of hosts which may access LAM\n" . "allowedHosts: " . $this->allowedHosts);
if (!in_array("passwordMinLength", $saved)) array_push($file_array, "\n\n# Password: minimum password length\n" . "passwordMinLength: " . $this->passwordMinLength);
if (!in_array("passwordMinUpper", $saved)) array_push($file_array, "\n\n# Password: minimum uppercase characters\n" . "passwordMinUpper: " . $this->passwordMinUpper);
if (!in_array("passwordMinLower", $saved)) array_push($file_array, "\n\n# Password: minimum lowercase characters\n" . "passwordMinLower: " . $this->passwordMinLower);
if (!in_array("passwordMinNumeric", $saved)) array_push($file_array, "\n\n# Password: minimum numeric characters\n" . "passwordMinNumeric: " . $this->passwordMinNumeric);
if (!in_array("passwordMinSymbol", $saved)) array_push($file_array, "\n\n# Password: minimum symbolic characters\n" . "passwordMinSymbol: " . $this->passwordMinSymbol);
if (!in_array("passwordMinClasses", $saved)) array_push($file_array, "\n\n# Password: minimum character classes (0-4)\n" . "passwordMinClasses: " . $this->passwordMinClasses);
if (!in_array("mailEOL", $saved)) array_push($file_array, "\n\n# Email format (default/unix)\n" . "mailEOL: " . $this->mailEOL);
$file = @fopen($this->conffile, "w");
if ($file) {
for ($i = 0; $i < sizeof($file_array); $i++) fputs($file, $file_array[$i]);
fclose($file);
}
else {
StatusMessage("ERROR", "", _("Cannot open config file!") . " (" . $this->conffile . ")");
}
// store SSL certificate
if ($this->uploadedSSLCaCert != null) {
$sslPath = $this->getInternalSSLCaCertFileName();
$file = @fopen($sslPath, "w");
if ($file) {
fputs($file, $this->uploadedSSLCaCert);
fclose($file);
@chmod($sslPath, 0600);
}
else {
StatusMessage("ERROR", _("Cannot write certificate file. Please check the permissions of config/serverCerts.pem."));
}
}
// delete SSL certificate
if ($this->delSSLCaCert === true) {
$sslPath = $this->getInternalSSLCaCertFileName();
$result = @unlink($sslPath);
if (!$result) {
StatusMessage("ERROR", _("Cannot write certificate file. Please check the permissions of config/serverCerts.pem."));
}
}
}
/**
* Sets a new config password.
*
* @param String $password new password
*/
public function setPassword($password) {
mt_srand((microtime() * 1000000));
$rand = getRandomNumber();
$salt0 = substr(pack("h*", md5($rand)), 0, 8);
$salt = substr(pack("H*", sha1($salt0 . $password)), 0, 4);
$this->password = $this->hashPassword($password, $salt);
}
/**
* Checks if the given password matches.
*
* @param String $password password
* @return boolean true, if password matches
*/
public function checkPassword($password) {
if (substr($this->password, 0, 6) == "{SSHA}") {
// check hashed password
$value = substr($this->password, 6);
$parts = explode(" ", $value);
$salt = base64_decode($parts[1]);
return ($this->hashPassword($password, $salt) === $this->password);
}
else {
// old nonhashed password
return ($password === $this->password);
}
}
/**
* Returns the hashed password.
*
* @param String $password password
* @param String $salt salt
* @return String hash value
*/
private function hashPassword($password, $salt) {
return "{SSHA}" . base64_encode(convertHex2bin(sha1($password . $salt))) . " " . base64_encode($salt);
}
/**
* Returns if the configuration file is writable.
*
* @return boolean writable
*/
public function isWritable() {
return is_writeable($this->conffile);
}
/**
* Returns if the configuration file is existing.
*
* @return boolean exists
*/
public function isConfigFileExisting() {
return file_exists($this->conffile);
}
/**
* Returns the path to the SSL CA certificate file that overrides the system certificates.
*
* @return String path to certificate file or null if certificate is not overridden
*/
public function getSSLCaCertPath() {
$path = $this->getInternalSSLCaCertFileName();
if (file_exists($path)) {
return $path;
}
return null;
}
/**
* Returns the file name that will be used internally to store the CA file.
*
* @return String file name
*/
private function getInternalSSLCaCertFileName() {
return dirname(__FILE__) . '/../config/serverCerts.pem';
}
/**
* Uploads a new SSL CA cert.
*
* @param String $cert file content in DER/PEM format
* @return mixed TRUE if format is correct, error message if file is not accepted
*/
public function uploadSSLCaCert($cert) {
if (strpos($cert, '-----BEGIN CERTIFICATE-----') !== 0) {
$pem = @chunk_split(@base64_encode($cert), 64, "\n");
$cert = "-----BEGIN CERTIFICATE-----\n" . $pem . "-----END CERTIFICATE-----\n";
}
$pemData = @openssl_x509_parse($cert);
if ($pemData === false) {
return _('Please provide a file in DER or PEM format.');
}
$existingCerts = $this->getSSLCaCertificateContent();
if (!empty($existingCerts)) {
// merge with existing certificates
$existingList = $this->splitSSLCaCertificateContent($existingCerts);
$newList = $this->splitSSLCaCertificateContent($cert);
$this->uploadedSSLCaCert = implode("\n", array_unique(array_merge($existingList, $newList)));
}
else {
$this->uploadedSSLCaCert = $cert;
}
$this->delSSLCaCert = false;
return true;
}
/**
* Returns the name of a temporary file in tmp that contains the SSL certificate.
* The file contains either the stored data in serverCerts or the uploaded data.
*
* @return String file name or null if no certificate was set
*/
public function getSSLCaCertTempFileName() {
if ($this->delSSLCaCert) {
return null;
}
// get certificate data
$content = $this->getSSLCaCertificateContent();
if ($content == null) {
return null;
}
// write to temp file
$fileName = time() . getRandomNumber() . '.pem';
$path = dirname(__FILE__) . '/../tmp/' . $fileName;
$handle = @fopen($path, "wb");
@chmod($path, 0600);
if ($handle) {
$content = fputs($handle, $content);
fclose($handle);
}
else {
return null;
}
return $fileName;
}
/**
* Marks a single or all SSL CA certificate files for deletion.
* The changes take effect on save().
*
* @param int $index certificate index, null deletes all certificates (default: null)
*/
public function deleteSSLCaCert($index = null) {
if ($index == null) {
// delete all
$this->delSSLCaCert = true;
return;
}
$content = $this->getSSLCaCertificateContent();
$list = $this->splitSSLCaCertificateContent($content);
unset($list[$index]);
if (sizeof($list) < 1) {
$this->delSSLCaCert = true;
$this->uploadedSSLCaCert = null;
}
else {
$this->uploadedSSLCaCert = implode("\n", $list);
}
}
/**
* Returns a list of all CA certificates.
*
* @return array list of certificates as output of openssl_x509_parse()
*/
public function getSSLCaCertificates() {
if ($this->delSSLCaCert) {
return array();
}
$content = $this->getSSLCaCertificateContent();
if (empty($content)) {
return array();
}
$list = $this->splitSSLCaCertificateContent($content);
for ($i = 0; $i < sizeof($list); $i++) {
$list[$i] = @openssl_x509_parse($list[$i]);
}
return $list;
}
/**
* Returns the content of the certificate file or uploaded data.
*
* @return String null or certificate content
*/
private function getSSLCaCertificateContent() {
$content = null;
if ($this->delSSLCaCert) {
return null;
}
if ($this->uploadedSSLCaCert != null) {
$content = $this->uploadedSSLCaCert;
}
elseif ($this->getSSLCaCertPath() != null) {
$path = $this->getSSLCaCertPath();
$handle = @fopen($path, "r");
if ($handle) {
$content = fread($handle, 10000000);
fclose($handle);
}
}
return $content;
}
/**
* Splits the certificate content into single PEM data chunks.
*
* @param String $content PEM file content
* @return array one element for each certificate chunk
*/
private function splitSSLCaCertificateContent($content) {
if (empty($content)) {
return array();
}
$content = str_replace("\n\n", "\n", $content);
if (empty($content)) {
return array();
}
if (!(strpos($content, '-----BEGIN CERTIFICATE-----') === 0)) {
return array();
}
$lines = explode("\n", $content);
$list = array();
$pos = -1;
foreach ($lines as $line) {
if (strpos($line, '-----BEGIN CERTIFICATE-----') === 0) {
$pos++;
}
if (!isset($list[$pos])) {
$list[$pos] = '';
}
$list[$pos] .= $line . "\n";
}
return $list;
}
}
?>