LDAPAccountManager/lam/lib/modules/sambaSamAccount/sambaMungedDial.inc

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2016-03-21 18:37:10 +00:00
<?php
/*
This code is part of GOsa (https://gosa.gonicus.de)
Copyright (C) 2004 Cajus Pollmeier
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Manages terminal server settings for Samba 3.
*
* @package modules
* @author Cajus Pollmeier
*/
/**
* File header
*/
define ("SAMBA_MUNGEDDIAL_FILEHEADER",
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"5000");
/**
* File header for old format.
*/
define ("SAMBA_MUNGEDDIAL_FILEHEADER_OLD",
"6d000800200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200064000100".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"20002000200020002000200020002000".
"50001000");
/**
* Manages terminal server settings for Samba 3.
*
* @author Cajus Pollmeier
* @package modules
*/
class sambaMungedDial
{
/* Terminal server variables (samba3) */
public $ctx= array(
'CtxCfgPresent' => '551e0bb0',
'CtxCfgFlags1' => '00e00010',
'CtxCallback' => '',
'CtxShadow' => '01000000',
'CtxMaxConnectionTime' => '',
'CtxMaxDisconnectionTime' => '',
'CtxMaxIdleTime' => '',
'CtxKeyboardLayout' => '',
'CtxMinEncryptionLevel' => '00',
'CtxWorkDirectory' => '',
'CtxNWLogonServer' => '',
'CtxWFHomeDir' => '',
'CtxWFHomeDirDrive' => '',
'CtxWFProfilePath' => '',
'CtxInitialProgram' => '',
'CtxCallbackNumber' => '');
/* attribute list for save action */
public $ctxattributes= array("CtxCfgPresent", "CtxCfgFlags1", "CtxCallback",
"CtxShadow", "CtxMaxConnectionTime", "CtxMaxDisconnectionTime",
"CtxMaxIdleTime", "CtxKeyboardLayout", "CtxMinEncryptionLevel",
"CtxWorkDirectory", "CtxNWLogonServer", "CtxWFHomeDir",
"CtxWFHomeDirDrive", "CtxWFProfilePath", "CtxInitialProgram",
"CtxCallbackNumber");
/* These parameters are treated as strings and get a trailing zero */
private $stringParams= array( "CtxWorkDirectory", "CtxNWLogonServer",
"CtxWFHomeDir", "CtxWFHomeDirDrive",
"CtxWFProfilePath", "CtxInitialProgram", "CtxCallbackNumber");
/* These parameters are treated as time values and get converted */
private $timeParams= array("CtxMaxConnectionTime", "CtxMaxDisconnectionTime", "CtxMaxIdleTime");
private $old_behavior= false;
/** strhex */
function strhex($string)
{
$hex="";
for ($i=0; $i<strlen($string); $i++) {
$hex.= dechex(ord($string[$i]));
}
return ($hex);
}
/** hexstr */
function hexstr($hex)
{
$string="";
for ($i=0; $i<strlen($hex)-1; $i+=2) {
$string.= chr(hexdec($hex[$i].$hex[$i+1]));
}
return ($string);
}
/** endian */
function endian($src)
{
return (substr($src, 2, 2).substr($src, 0, 2));
}
/** genTime */
function genTime ($minutes)
{
$usec= (int) ($minutes * 60 * 1000);
$src= sprintf('%04x%04x', $usec & 0x0FFFF, ($usec & 0x0FFFF0000) >> 16);
return (sambaMungedDial::endian(substr($src, 0, 4)).sambaMungedDial::endian(substr($src, 4, 4)));
}
/** readTime */
function readTime ($time)
{
$lo= substr($time, 0, 4);
$hi= substr($time, 4, 4);
$usecs= (hexdec(substr($lo, 2, 2)) * 256 + hexdec(substr($lo, 0, 2))) +
(hexdec(substr($hi, 2 ,2)) * 256 + hexdec(substr($hi, 0, 2))) * 256 * 256;
return ((int)($usecs / (60 * 1000)));
}
/** to8bit */
function to8bit($string)
{
$result= "";
/* Strip zeros */
for ($i= 0; $i<strlen($string); $i++){
if ($string[$i] != chr(0)){
$result.= $string[$i];
}
}
return ($result);
}
/** Checks if this is a valid Samba path. */
function is_samba_path($path)
{
if ($path == ""){
return (TRUE);
}
if (!preg_match('/^[a-z0-9%\\\\_.:+-\\\\$]+$/i', $path)){
return (FALSE);
}
return preg_match ("/\\\\.+$/", $path);
}
/** Encode full MungedDial-String */
function encode_munged ($params)
{
/* Walk through the parameters and convert them */
$result= sambaMungedDial::hexstr(SAMBA_MUNGEDDIAL_FILEHEADER);
// CHANGED: We need to insert the number of attributes right after SAMBA_MUNGEDDIAL_FILEHEADER.
$counter= 0;
$result_tmp= "";
foreach ($params as $paramName => $paramValue) {
/* String parameter? */
if (in_array($paramName, $this->stringParams)){
$isString= TRUE;
$paramValue= sambaMungedDial::strhex($paramValue.chr(0).chr(0));
} else {
$isString= FALSE;
}
/* Time parameter? */
if (in_array($paramName, $this->timeParams)){
$paramValue= sambaMungedDial::genTime($paramValue);
}
$result_tmp.= sambaMungedDial::munge($paramName, $paramValue, $isString);
$counter++;
}
// First add the number of attributes
$result.= sambaMungedDial::hexstr(sprintf("%02x00", $counter));
// Then the usual stuff
$result.= $result_tmp;
return ($result);
}
/** Setup parameter given by paramName to MungedDial-Format */
function munge($paramName, $paramValue, $isString)
{
$result= "";
/* Encode paramName to UTF-16 */
if (function_exists("recode")){
$utfName= recode("ISO8859-15..UTF-16", $paramName);
} else {
$utfName= iconv("ISO8859-15", "UTF-16BE", $paramName);
}
/* Set parameter length, high and low byte */
$paramLen= strlen($utfName);
$result.= chr($paramLen & 0x0FF);
$result.= chr(($paramLen & 0x0FF00) >> 8);
/* String parameters have additional trailing bytes */
$valueLen= strlen($paramValue);
$result.= chr($valueLen & 0x0FF);
$result.= chr(($valueLen & 0x0FF00) >> 8);
/* Length fields have a trailing '01' appended by the UTF-16 converted name */
$result.= chr(1);
$result.= $utfName;
/* Parameter is padded with '00' */
$result.= chr(0);
$result.= $paramValue;
/* Append a trailing '00' to string parameters */
if ($isString && (strlen($paramValue) & 1)){
$result.= chr(0);
}
return ($result);
}
/** Takes a base64-encoded MungedDial-String and returns an array of included parameters and values */
function decode_munged($munge)
{
$result= array();
/*
* Remove base64 encoding and skip SAMBA_MUNGEDDIAL_FILEHEADER.
* The '4' is added, because the SAMBA_MUNGEDDIAL_FILEHEADER has been stripped by 4 chars.
* This is the number of attributes following - we don't need this at read time, only when writing.
*/
if(substr(base64_decode($munge),0,2)=="6d") {
$this->old_behavior=true;
}
$ctxField="";
if($this->old_behavior==true) {
$ctxField= substr(base64_decode($munge), (strlen(SAMBA_MUNGEDDIAL_FILEHEADER_OLD)) / 2);
} else {
$ctxField= substr(base64_decode($munge), (strlen(SAMBA_MUNGEDDIAL_FILEHEADER)+4) / 2);
}
/* Decode parameters */
while ($ctxField!=""){
/* Read value lengths */
$ctxParmNameLength= ord($ctxField[0]) + 16 * ord($ctxField[1]);
$ctxParmLength= ord($ctxField[2]) + 16 * ord($ctxField[3]);
/* Reposition ctxField on start of parameter name, read parameter name */
$ctxField= substr($ctxField, 6);
$ctxParmName= sambaMungedDial::to8bit(substr($ctxField, 0, $ctxParmNameLength));
/* Reposition ctxField on start of parameter */
$ctxField= substr($ctxField, $ctxParmNameLength);
$ctxParm= substr($ctxField, 0, $ctxParmLength);
/* If string parameter, convert */
if (in_array($ctxParmName, $this->stringParams)){
$ctxParm= sambaMungedDial::hexstr($ctxParm);
}
/* If time parameter, convert */
if (in_array($ctxParmName, $this->timeParams)){
$ctxParm= sambaMungedDial::readTime($ctxParm);
}
/* Assign in result array */
$result[$ctxParmName]= trim($ctxParm);
/* Reposition ctxField on end of parameter and continue */
$ctxField= substr($ctxField, $ctxParmLength);
}
return ($result);
}
/** function takes a base64-encoded sambaMungedDial */
function load ($mungedDial)
{
$this->ctx= $this->decode_munged($mungedDial);
}
/** Returns ready-to-run mungedDialString to be filled into ldap */
function getMunged ()
{
// Do extra check for valid timeParams (they must be set to 0 if disabled)
foreach($this->timeParams as $value) {
if(!isset($this->ctx[$value])) {
$this->ctx[$value]= 0;
}
}
$result= base64_encode($this->encode_munged($this->ctx));
return $result;
}
/** Returns array of flags, which can be set on-demand with activated java-script */
function getOnDemandFlags ()
{
$result= array();
foreach ($this->timeParams as $value) {
$result[$value."Mode"]= "";
}
$result['CtxInitialProgramMode'] = "";
return $result;
}
/** Gets Terminal-Server-Login value: enabled/disabled */
function getTsLogin ()
{
$flags= ord(substr($this->ctx['CtxCfgFlags1'], 5, 1));
if ($flags & 1) {
$result= false;
} else {
$result= true;
}
return $result;
}
/** Sets Terminal-Server-Login value: enabled/disabled */
function setTsLogin ($checked)
{
$flag= substr($this->ctx['CtxCfgFlags1'], 5, 1);
if ($checked) {
$flag|= 1;
} else {
$flag&= 0xFE;
}
$this->ctx['CtxCfgFlags1'][5]= sprintf('%1x', $flag);
}
/** gets Broken-Connection value: disconnect/reset */
function getBrokenConn ()
{
$flags= ord(substr($this->ctx['CtxCfgFlags1'], 5, 1));
if ($flags & 4) {
$result= "1";
} else {
$result= "0";
}
return $result;
}
/** sets Broken-Connection value: disconnect/reset */
function setBrokenConn ($checked)
{
$flag= substr($this->ctx['CtxCfgFlags1'], 5, 1);
if ($checked) {
$flag|= 4;
} else {
$flag&= 0xFB;
}
$this->ctx['CtxCfgFlags1'][5]= sprintf('%1x', $flag);
}
/** gets Reconnection value: from any client/from previous client only */
function getReConn ()
{
$flags= ord(substr($this->ctx['CtxCfgFlags1'], 5, 1));
if ($flags & 2) {
$result= "1";
} else {
$result= "0";
}
return $result;
}
/** sets Reconnection value: from any client/from previous client only */
function setReConn ($checked)
{
$flag= substr($this->ctx['CtxCfgFlags1'], 5, 1);
if ($checked) {
$flag|= 2;
} else {
$flag&= 0xFD;
}
$this->ctx['CtxCfgFlags1'][5]= sprintf('%1x', $flag);
}
/** gets Inherit-config-from-client value: enabled/disabled */
function getInheritMode ()
{
if (substr($this->ctx['CtxCfgFlags1'], 6, 1) == "1") {
$result= true;
} else {
$result= false;
}
return $result;
}
/** sets Inherit-config-from-client value: enabled/disabled */
function setInheritMode ($checked)
{
if ($checked) {
$this->ctx['CtxCfgFlags1'][6]= "1";
} else {
$this->ctx['CtxCfgFlags1'][6]= "0";
}
}
/** gets shadow value (enum): 0-4
0: disabled
1: input on, notify on
2: input on, notify off
3: input off, notify on
4: input off, notify off
*/
function getShadow ()
{
if($this->old_behavior==true) {
$result= substr($this->ctx['CtxCfgFlags1'], 1, 1);
} else {
$result= substr($this->ctx['CtxShadow'], 1, 1);
}
return $result;
}
/** sets shadow value */
function setShadow ($checked, $value)
{
if ($checked) {
if($this->old_behavior==true) {
// We need to reset the old setting
$this->ctx['CtxCfgFlags1'][1]= sprintf('%1X', $value);
}
$this->ctx['CtxShadow'][1]= sprintf('%1x', $value);
}
}
/** gets connect-client-drive-at-logon value: enabled/disabled */
function getConnectClientDrives ()
{
$connections= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($connections & 8) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** sets connect-client-drive-at-logon value: enabled/disabled */
function setConnectClientDrives ($checked)
{
$flag= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($checked) {
$flag|= 8;
} else {
$flag&= 0xF7;
}
$this->ctx['CtxCfgFlags1'][2]= sprintf('%1x', $flag);
}
/** gets connect-client-printers-at-logon value: enabled/disabled */
function getConnectClientPrinters ()
{
$connections= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($connections & 4) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** sets connect-client-printers-at-logon value: enabled/disabled */
function setConnectClientPrinters ($checked)
{
$flag= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($checked) {
$flag|= 4;
} else {
$flag&= 0xFB;
}
$this->ctx['CtxCfgFlags1'][2]= sprintf('%1x', $flag);
}
/** gets set-client-printer-to-default value: enabled/disabled */
function getDefaultPrinter ()
{
$connections= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($connections & 2) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** sets set-client-printer-to-default value: enabled/disabled */
function setDefaultPrinter ($checked)
{
$flag= hexdec(substr($this->ctx['CtxCfgFlags1'], 2, 1));
if ($checked) {
$flag|= 2;
} else {
$flag&= 0xFD;
}
$this->ctx['CtxCfgFlags1'][2]= sprintf('%1x', $flag);
}
/** SMARTY: gets the checkbox state of "Connection" */
function getCtxMaxConnectionTimeF ()
{
// Connection Time is 0 if disabled
if (isset($this->ctx['CtxMaxConnectionTime']) && ($this->ctx['CtxMaxConnectionTime'] != 0)) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** SMARTY: sets the checkbox "Connection" to unchecked */
function setCtxMaxConnectionTimeF ($checked)
{
if ($checked) {
unset ($this->ctx['CtxMaxConnectionTime']);
}
}
/** SMARTY: gets the checkbox state of "Disconnection" */
function getCtxMaxDisconnectionTimeF ()
{
// Connection Time is 0 if disabled
if (isset($this->ctx['CtxMaxDisconnectionTime']) && ($this->ctx['CtxMaxDisconnectionTime'] != 0)) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** SMARTY: sets the checkbox "Disconnection" to unchecked */
function setCtxMaxDisconnectionTimeF ($checked)
{
if ($checked) {
unset ($this->ctx['CtxMaxDisconnectionTime']);
}
}
/** SMARTY: gets the checkbox state of "Idle" */
function getCtxMaxIdleTimeF ()
{
// Connection Time is 0 if disabled
if (isset($this->ctx['CtxMaxIdleTime']) && ($this->ctx['CtxMaxIdleTime'] != 0)) {
$result= true;
} else {
$result= false;
}
return $result;
}
/** SMARTY: sets the checkbox "Idle" to unchecked */
function setCtxMaxIdleTimeF ($checked)
{
if ($checked) {
unset ($this->ctx['CtxMaxIdleTime']);
}
}
}
?>