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#!/usr/bin/php
<?php
/*
* Copyright (c) <2005> LISSY Alexandre, "lissyx" <alexandrelissy@free.fr>
* Copyright (c) <2014> Klaus Herberth <klaus@jsxc.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software andassociated documentation files (the "Software"), to deal in the
* Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to thefollowing conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
// #############Start#of#Config####################
/** The root of your owncloud installation. */
$oc_root = '/var/www/owncloud/';
// #############End#of#config######################
$RUNTIME_NOAPPS = true;
require_once $oc_root . 'lib/base.php';
error_reporting ( 0 );
$auth = new JabberAuth ();
$auth->play (); // We simply start process !
class JabberAuth {
/*
* For both debug and logging, ejabberd have to be able to write.
*/
var $debug = false;
var $debugfile = '';
/** Do we log requests ? */
var $logging = false;
/** This is the jabber user passed to the script.
* filled by $this->command() */
var $jabber_user;
/** This is the jabber user password passed to the script.
* filled by $this->command() */
var $jabber_pass;
/** This is the jabber server passed to the script.
* filled by $this->command(). Useful for VirtualHosts */
var $jabber_server;
/** This is what SM component send to us. */
var $data;
/** Check date() for string format. */
var $dateformat = "M d H:i:s";
/** This is the command sent. */
var $command;
/** stdin file pointer */
var $stdin;
/** stdout file pointer */
var $stdout;
/** The oc user object. */
var $ocUser;
function JabberAuth() {
@define_syslog_variables ();
@openlog ( "pipe-auth", LOG_NDELAY, LOG_SYSLOG );
if ($this->debug) {
error_reporting ( E_ALL );
ini_set ( "log_errors", "1" );
ini_set ( "error_log", $this->debugfile );
}
$this->logg ( "Starting pipe-auth ..." ); // We notice that it's starting ...
$this->openstd ();
$this->ocUser = new OCP\User ();
}
function stop() {
$this->logg ( "Shutting down ..." ); // Sorry, have to go ...
closelog ();
$this->closestd (); // Simply close files
exit ( 0 ); // and exit cleanly
}
function openstd() {
$this->stdout = @fopen ( "php://stdout", "w" ); // We open STDOUT so we can read
$this->stdin = @fopen ( "php://stdin", "r" ); // and STDIN so we can talk !
}
function readstdin() {
$l = @fgets ( $this->stdin, 3 ); // We take the length of string
$length = @unpack ( "n", $l ); // ejabberd give us something to play with ...
$len = $length ["1"]; // and we now know how long to read.
if ($len > 0) { // if not, we'll fill logfile ... and disk full is just funny once
$this->logg ( "Reading $len bytes ... " ); // We notice ...
$data = @fgets ( $this->stdin, $len + 1 );
// $data = iconv("UTF-8", "ISO-8859-15", $data); // To be tested, not sure if still
// needed.
$this->data = $data; // We set what we got.
$this->logg ( "IN: " . $data );
}
}
function closestd() {
@fclose ( $this->stdin ); // We close everything ...
@fclose ( $this->stdout );
}
function out($message) {
@fwrite ( $this->stdout, $message ); // We reply ...
$dump = @unpack ( "nn", $message );
$dump = $dump ["n"];
$this->logg ( "OUT: " . $dump );
}
function play() {
do {
$this->readstdin (); // get data
$length = strlen ( $this->data ); // compute data length
if ($length > 0) { // for debug mainly ...
$this->logg ( "GO: " . $this->data );
$this->logg ( "data length is : " . $length );
}
$ret = $this->command (); // play with data !
$this->logg ( "RE: " . $ret ); // this is what WE send.
$this->out ( $ret ); // send what we reply.
$this->data = NULL; // more clean. ...
} while ( true );
}
function command() {
$data = $this->splitcomm (); // This is an array, where each node is part of what SM sent to
// us
// :
// 0 => the command,
// and the others are arguments .. e.g. : user, server, password
// ...
if (strlen ( $data [0] ) > 0) {
$this->logg ( "Command was : " . $data [0] );
}
switch ($data [0]) {
case "isuser" : // this is the "isuser" command, used to check for user existance
$this->jabber_user = $data [1];
$parms = $data [1]; // only for logging purpose
$return = $this->checkuser ();
break;
case "auth" : // check login, password
$this->jabber_user = trim ( $data [1] );
$this->jabber_pass = trim ( $data [3] );
$parms = $data [1] . ":" . $data [2] . ":" . md5 ( $data [3] ); // only for logging
// purpose
$return = $this->checkpass ();
break;
case "setpass" :
$return = false; // We do not want jabber to be able to change password
break;
default :
$this->stop (); // if it's not something known, we have to leave.
// never had a problem with this using ejabberd, but might lead to
// problem ?
break;
}
$return = ($return) ? 1 : 0;
if (strlen ( $data [0] ) > 0 && strlen ( $parms ) > 0) {
$this->logg ( "Command : " . $data [0] . ":" . $parms . " ==> " . $return . " " );
}
return pack ( "nn", 2, $return );
}
function checkpass() {
$ret = $this->ocUser->checkPassword ( $this->jabber_user, $this->jabber_pass );
return $ret !== false;
}
function checkuser() {
return $this->ocUser->userExists ( $this->jabber_user );
}
function splitcomm() // simply split command and arugments into an array.
{
return explode ( ":", $this->data );
}
function logg($message) // pretty simple, using syslog.
// some says it doesn't work ? perhaps, but AFAIR, it was working.
{
if ($this->logging) {
@syslog ( LOG_INFO, $message );
}
}
}
?>
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