plugins/change_password/backend/poppassd.php

   1 <?php
   2
   3 /**
   4  * Poppassd change password backend
   5  *
   6  * @author Seth Randall <sethr@missoulafcu.org>
   7  * @version $Id$
   8  * @package plugins
   9  * @subpackage change_password
  10  */
  11
  12 /**
  13  * Config vars
  14  */
  15
  16 /**
  17  * Set the address of the server your poppass daemon runs on.
  18  * If it's the same as your imap server, you can leave it blank
  19  */
  20 global $poppassd_server;
  21
  22 $poppassd_server = '';
  23
  24 /* get overrides from config.php */
  25 if (isset($cpw_poppassd['server'])) $poppassd_server=$cpw_poppassd['server'];
  26
  27 /**
  28  * Define here the name of your password changing function.
  29  */
  30 global $squirrelmail_plugin_hooks;
  31 $squirrelmail_plugin_hooks['change_password_dochange']['poppassd'] = 'cpw_poppassd_dochange';
  32
  33 /**
  34  * This is the function that is specific to your backend. It takes
  35  * the current password (as supplied by the user) and the desired
  36  * new password. It will return an array of messages. If everything
  37  * was successful, the array will be empty. Else, it will contain
  38  * the errormessage(s).
  39  * Constants to be used for these messages:
  40  * CPW_CURRENT_NOMATCH -> "Your current password is not correct."
  41  * CPW_INVALID_PW -> "Your new password contains invalid characters."
  42  *
  43  * @param array data The username/currentpw/newpw data.
  44  * @return array Array of error messages.
  45  */
  46 function cpw_poppassd_dochange($data) {
  47     // unfortunately, we can only pass one parameter to a hook function,
  48     // so we have to pass it as an array.
  49     $username = $data['username'];
  50     $curpw = $data['curpw'];
  51     $newpw = $data['newpw'];
  52
  53     $msgs = array();
  54
  55     // your code here to change the password for $username from
  56     // $currentpw into $newpw.
  57     $msgs = cpw_poppassd_go($username, $curpw, $newpw, 0);
  58
  59     return $msgs;
  60 }
  61
  62 function cpw_poppassd_closeport($pop_socket, &$messages, $debug = 0) {
  63     if ($debug) {
  64         array_push($messages, _("Closing Connection"));
  65     }
  66     fputs($pop_socket, "quit\r\n");
  67     fclose($pop_socket);
  68 }
  69
  70 function cpw_poppassd_readfb($pop_socket, &$result, &$messages, $debug = 0) {
  71    $strResp = '';
  72    $result  = '';
  73
  74    if (!feof($pop_socket)) {
  75       $strResp = fgets($pop_socket, 1024);
  76       $result  = substr(trim($strResp), 0, 3);  // 200, 500
  77       if(!preg_match('/^[23]\d\d/', $result) || $debug) {
  78           $messages[] = "--> $strResp";
  79       }
  80    }
  81 }
  82
  83 function cpw_poppassd_go($username, $old_pw, $new_pw, $debug = 0) {
  84     global $poppassd_server;
  85     global $imapServerAddress;
  86
  87     if($poppassd_server == '') {
  88         $poppassd_server = $imapServerAddress;
  89     }
  90
  91     $messages = array();
  92
  93     if ($debug) {
  94         $messages[] = _("Connecting to Password Server");
  95     }
  96     $pop_socket = fsockopen($poppassd_server, 106, $errno, $errstr);
  97     if (!$pop_socket) {
  98         $messages[] = _("ERROR") . ': ' . "$errstr ($errno)";
  99         return $messages;
 100     }
 101
 102     cpw_poppassd_readfb($pop_socket, $result, $messages, $debug);
 103     if(!preg_match('/^2\d\d/', $result) ) {
 104         cpw_poppassd_closeport($pop_socket, $messages, $debug);
 105         return $messages;
 106     }
 107
 108     fputs($pop_socket, "user $username\r\n");
 109     cpw_poppassd_readfb($pop_socket, $result, $messages, $debug);
 110     if(!preg_match('/^[23]\d\d/', $result) ) {
 111         cpw_poppassd_closeport($pop_socket, $messages, $debug);
 112         return $messages;
 113     }
 114
 115     fputs($pop_socket, "pass $old_pw\r\n");
 116     cpw_poppassd_readfb($pop_socket, $result, $messages, $debug);
 117     if(!preg_match('/^[23]\d\d/', $result) ) {
 118         cpw_poppassd_closeport($pop_socket, $messages, $debug);
 119         return $messages;
 120     }
 121
 122     fputs($pop_socket, "newpass $new_pw\r\n");
 123     cpw_poppassd_readfb($pop_socket, $result, $messages, $debug);
 124     cpw_poppassd_closeport($pop_socket, $messages, $debug);
 125     if(!preg_match('/^2\d\d/', $result) ) {
 126         return $messages;
 127     }
 128
 129     return $messages;
 130 }
 131
 132 ?>