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