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Passwd.php
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PHP Script
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2001-01-10
|
4KB
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134 lines
<?php
/* vim: set ts=4 sw=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2001 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Rasmus Lerdorf <rasmus@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Passwd.php,v 1.3 2001/01/10 01:01:55 ssb Exp $
//
// Manipulate standard UNIX passwd,.htpasswd and CVS pserver passwd files
/**
* Class to manage passwd-style files
*
* @author Rasmus Lerdorf <rasmus@php.net>
*/
class File_Passwd {
var $filename, $users, $cvs, $fplock, $locked;
var $lockfile = './passwd.lock';
function File_Passwd($file,$lock=0) {
$this->filename = $file;
$this->fplock = fopen($this->lockfile, 'w');
if($lock) {
flock($this->fplock, LOCK_EX);
$this->locked = true;
}
$fp = fopen($file,'r') or die("Unable to open $file");
while(!feof($fp)) {
$line = fgets($fp, 128);
list($user,$pass,$cvsuser) = explode(':',$line);
if(strlen($user)) {
$this->users[$user] = $pass;
$this->cvs[$user] = trim($cvsuser);
}
}
fclose($fp);
}
/**
* Adds a user
*
* @param $user new user id
* @param $pass password for new user
* @param $cvs cvs user id (needed for pserver passwd files)
*/
function addUser($user,$pass,$cvsuser) {
if(!isset($this->users[$user]) && $this->locked) {
$this->users[$user] = crypt($pass);
$this->cvs[$user] = $cvsuser;
return true;
} else {
return false;
}
}
/**
* Modifies a user
*
* @param $user user id
* @param $pass new password for user
* @param $cvs cvs user id (needed for pserver passwd files)
*/
function modUser($user,$pass,$cvsuser) {
if(isset($this->users[$user]) && $this->locked) {
$this->users[$user] = crypt($pass);
$this->cvs[$user] = $cvsuser;
return true;
} else {
return false;
}
}
/**
* Deletes a user
*
* @param $user user id
*/
function delUser($user) {
if(isset($this->users[$user]) && $this->locked) {
unset($this->users[$user]);
unset($this->cvs[$user]);
} else {
return false;
}
}
/**
* Verifies a user's password
*
* @param $user user id
* @param $pass password for user
*/
function verifyPassword($user,$pass) {
if(isset($this->users[$user])) {
if($this->users[$user] == crypt($pass,substr($this->users[$user],0,2))) return true;
}
return false;
}
/**
* Writes changes to passwd file and unlocks it
*/
function close() {
if($this->locked) {
foreach($this->users as $user => $pass) {
if($this->cvs[$user]) {
fputs($this->fplock, "$user:$pass:".$this->cvs[$user]."\n");
} else {
fputs($this->fplock, "$user:$pass\n");
}
}
rename($this->lockfile,$this->filename);
flock($this->fplock, LOCK_UN);
$this->locked = false;
fclose($this->fplock);
}
}
}
?>