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database/php/pear/File/Passwd/Cvs.php
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304
database/php/pear/File/Passwd/Cvs.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* File::Passwd::Cvs
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category FileFormats
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* @package File_Passwd
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* @author Michael Wallner <mike@php.net>
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* @copyright 2003-2005 Michael Wallner
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Cvs.php,v 1.14 2005/03/30 18:33:33 mike Exp $
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* @link http://pear.php.net/package/File_Passwd
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*/
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/**
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* Requires File::Passwd::Common
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*/
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require_once 'File/Passwd/Common.php';
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/**
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* Manipulate CVS pserver passwd files.
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*
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* <kbd><u>
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* A line of a CVS pserver passwd file consists of 2 to 3 colums:
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* </u></kbd>
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* <pre>
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* user1:1HCoDDWxK9tbM:sys_user1
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* user2:0O0DYYdzjCVxs
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* user3:MIW9UUoifhqRo:sys_user2
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* </pre>
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*
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* If the third column is specified, the CVS user named in the first column is
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* mapped to the corresponding system user named in the third column.
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* That doesn't really affect us - just for your interest :)
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*
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* <kbd><u>Output of listUser()</u></kbd>
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* <pre>
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* array
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* + user => array
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* + passwd => crypted_passwd
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* + system => system_user
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* + user => array
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* + passwd => crypted_passwd
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* + system => system_user
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* </pre>
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*
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* @author Michael Wallner <mike@php.net>
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* @package File_Passwd
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* @version $Revision: 1.14 $
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* @access public
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*/
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class File_Passwd_Cvs extends File_Passwd_Common
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{
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/**
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* Constructor
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*
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* @access public
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*/
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function File_Passwd_Cvs($file = 'passwd')
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{
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parent::__construct($file);
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}
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/**
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* Fast authentication of a certain user
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*
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* Returns a PEAR_Error if:
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* o file doesn't exist
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* o file couldn't be opened in read mode
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* o file couldn't be locked exclusively
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* o file couldn't be unlocked (only if auth fails)
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* o file couldn't be closed (only if auth fails)
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*
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* @static call this method statically for a reasonable fast authentication
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* @access public
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* @return mixed true if authenticated, false if not or PEAR_Error
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* @param string $file path to passwd file
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* @param string $user user to authenticate
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* @param string $pass plaintext password
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*/
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function staticAuth($file, $user, $pass)
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{
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$line = File_Passwd_Common::_auth($file, $user);
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if (!$line || PEAR::isError($line)) {
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return $line;
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}
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@list(,$real) = explode(':', $line);
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return (File_Passwd_Cvs::generatePassword($pass, $real) === $real);
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}
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/**
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* Apply changes and rewrite CVS passwd file
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*
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* Returns a PEAR_Error if:
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* o directory in which the file should reside couldn't be created
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* o file couldn't be opened in write mode
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* o file couldn't be locked exclusively
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* o file couldn't be unlocked
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* o file couldn't be closed
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true on success or PEAR_Error
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*/
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function save()
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{
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$content = '';
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foreach ($this->_users as $user => $v){
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$content .= $user . ':' . $v['passwd'];
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if (isset($v['system']) && !empty($v['system'])) {
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$content .= ':' . $v['system'];
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}
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$content .= "\n";
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}
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return $this->_save($content);
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}
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/**
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* Parse the CVS passwd file
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*
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* Returns a PEAR_Error if passwd file has invalid format.
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true on success or PEAR_Error
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*/
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function parse()
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{
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$this->_users = array();
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foreach ($this->_contents as $line) {
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$user = explode(':', $line);
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if (count($user) < 2) {
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return PEAR::raiseError(
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FILE_PASSWD_E_INVALID_FORMAT_STR,
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FILE_PASSWD_E_INVALID_FORMAT
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);
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}
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@list($user, $pass, $system) = $user;
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$this->_users[$user]['passwd'] = $pass;
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if (!empty($system)) {
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$this->_users[$user]['system'] = $system;
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}
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}
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$this->_contents = array();
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return true;
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}
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/**
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* Add an user
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*
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* The username must start with an alphabetical character and must NOT
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* contain any other characters than alphanumerics, the underline and dash.
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*
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* Returns a PEAR_Error if:
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* o user already exists
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* o user or system_user contains illegal characters
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true on success or PEAR_Error
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* @param string $user the name of the user to add
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* @param string $pass the password of the user tot add
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* @param string $system_user the systemuser this user maps to
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*/
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function addUser($user, $pass, $system_user = '')
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{
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if ($this->userExists($user)) {
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return PEAR::raiseError(
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sprintf(FILE_PASSWD_E_EXISTS_ALREADY_STR, 'User ', $user),
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FILE_PASSWD_E_EXISTS_ALREADY
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);
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}
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if (!preg_match($this->_pcre, $user)) {
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return PEAR::raiseError(
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sprintf(FILE_PASSWD_E_INVALID_CHARS_STR, 'User ', $user),
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FILE_PASSWD_E_INVALID_CHARS
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);
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}
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@setType($system_user, 'string');
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if (!empty($system_user) && !preg_match($this->_pcre, $system_user)) {
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return PEAR::raiseError(
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sprintf(
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FILE_PASSWD_E_INVALID_CHARS_STR,
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'System user ',
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$system_user
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),
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FILE_PASSWD_E_INVALID_CHARS
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);
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}
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$this->_users[$user]['passwd'] = $this->generatePassword($pass);
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$this->_users[$user]['system'] = $system_user;
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return true;
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}
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/**
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* Verify the password of a certain user
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*
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* Returns a PEAR_Error if the user doesn't exist.
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true if passwords equal, false ifthe don't or PEAR_Error
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* @param string $user user whose password should be verified
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* @param string $pass the plaintext password that should be verified
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*/
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function verifyPasswd($user, $pass)
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{
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if (!$this->userExists($user)) {
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return PEAR::raiseError(
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sprintf(FILE_PASSWD_E_EXISTS_NOT_STR, 'User ', $user),
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FILE_PASSWD_E_EXISTS_NOT
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);
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}
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$real = $this->_users[$user]['passwd'];
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return ($real === $this->generatePassword($pass, $real));
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}
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/**
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* Change the password of a certain user
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*
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* Returns a PEAR_Error if user doesn't exist.
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true on success or PEAR_Error
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*/
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function changePasswd($user, $pass)
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{
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if (!$this->userExists($user)) {
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return PEAR::raiseError(
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sprintf(FILE_PASSWD_E_EXISTS_NOT_STR, 'User ', $user),
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FILE_PASSWD_E_EXISTS_NOT
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);
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}
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$this->_users[$user]['passwd'] = $this->generatePassword($pass);
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return true;
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}
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/**
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* Change the corresponding system user of a certain cvs user
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*
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* Returns a PEAR_Error if:
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* o user doesn't exist
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* o system user contains illegal characters
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*
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* @throws PEAR_Error
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* @access public
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* @return mixed true on success or PEAR_Error
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*/
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function changeSysUser($user, $system)
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{
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if (!$this->userExists($user)) {
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return PEAR::raiseError(
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sprintf(FILE_PASSWD_E_EXISTS_NOT_STR, 'User ', $user),
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FILE_PASSWD_E_EXISTS_NOT
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);
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}
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if (!preg_match($this->_pcre, $system)) {
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return PEAR::raiseError(
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sprintf(
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FILE_PASSWD_E_INVALID_CHARS_STR,
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'System user ',
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$system_user
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),
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FILE_PASSWD_E_INVALID_CHARS
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);
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}
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$this->_users[$user]['system'] = $system;
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return true;
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}
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/**
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* Generate crypted password
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*
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* @static
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* @access public
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* @return string the crypted password
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* @param string $pass new plaintext password
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* @param string $salt new crypted password from which to gain the salt
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*/
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function generatePasswd($pass, $salt = null)
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{
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return File_Passwd::crypt_des($pass, $salt);
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}
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/**
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* @ignore
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* @deprecated
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*/
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function generatePassword($pass, $salt = null)
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{
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return File_Passwd_Cvs::generatePasswd($pass, $salt);
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}
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}
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?>
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