<?php

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/**

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* PemFTP - An Ftp implementation in pure PHP

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*

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* @package PemFTP

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* @since 2.5.0

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*

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* @version 1.0

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* @copyright Alexey Dotsenko

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* @author Alexey Dotsenko

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* @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html

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* @license LGPL https://opensource.org/licenses/lgpl-license.html

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*/

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/**

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* Defines the newline characters, if not defined already.

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*

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* This can be redefined.

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*

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* @since 2.5.0

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* @var string

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*/

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if ( ! defined( 'CRLF' ) ) {

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define( 'CRLF', "\r\n" );

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}

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/**

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* Sets whatever to autodetect ASCII mode.

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*

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* This can be redefined.

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*

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* @since 2.5.0

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* @var int

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*/

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if ( ! defined( 'FTP_AUTOASCII' ) ) {

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define( 'FTP_AUTOASCII', -1 );

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}

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/**

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*

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* This can be redefined.

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* @since 2.5.0

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* @var int

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*/

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if ( ! defined( 'FTP_BINARY' ) ) {

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define( 'FTP_BINARY', 1 );

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}

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/**

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*

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* This can be redefined.

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* @since 2.5.0

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* @var int

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*/

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if ( ! defined( 'FTP_ASCII' ) ) {

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define( 'FTP_ASCII', 0 );

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}

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/**

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* Whether to force FTP.

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*

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* This can be redefined.

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*

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* @since 2.5.0

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* @var bool

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*/

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if ( ! defined( 'FTP_FORCE' ) ) {

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define( 'FTP_FORCE', true );

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}

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/**

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* @since 2.5.0

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* @var string

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*/

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define('FTP_OS_Unix','u');

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/**

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* @since 2.5.0

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* @var string

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*/

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define('FTP_OS_Windows','w');

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/**

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* @since 2.5.0

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* @var string

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*/

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define('FTP_OS_Mac','m');

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/**

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* PemFTP base class

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*

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*/

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class ftp_base {

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/* Public variables */

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var $LocalEcho;

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var $Verbose;

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var $OS_local;

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var $OS_remote;

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/* Private variables */

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var $_lastaction;

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var $_errors;

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var $_type;

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var $_umask;

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var $_timeout;

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var $_passive;

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var $_host;

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var $_fullhost;

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var $_port;

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var $_datahost;

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var $_dataport;

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var $_ftp_control_sock;

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var $_ftp_data_sock;

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var $_ftp_temp_sock;

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var $_ftp_buff_size;

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var $_login;

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var $_password;

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var $_connected;

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var $_ready;

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var $_code;

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var $_message;

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var $_can_restore;

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var $_port_available;

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var $_curtype;

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var $_features;

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var $_error_array;

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var $AuthorizedTransferMode;

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var $OS_FullName;

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var $_eol_code;

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var $AutoAsciiExt;

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/* Constructor */

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function __construct($port_mode=FALSE, $verb=FALSE, $le=FALSE) {

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$this->LocalEcho=$le;

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$this->Verbose=$verb;

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$this->_lastaction=NULL;

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$this->_error_array=array();

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$this->_eol_code=array(FTP_OS_Unix=>"\n", FTP_OS_Mac=>"\r", FTP_OS_Windows=>"\r\n");

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$this->AuthorizedTransferMode=array(FTP_AUTOASCII, FTP_ASCII, FTP_BINARY);

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$this->OS_FullName=array(FTP_OS_Unix => 'UNIX', FTP_OS_Windows => 'WINDOWS', FTP_OS_Mac => 'MACOS');

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$this->AutoAsciiExt=array("ASP","BAT","C","CPP","CSS","CSV","JS","H","HTM","HTML","SHTML","INI","LOG","PHP3","PHTML","PL","PERL","SH","SQL","TXT");

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$this->_port_available=($port_mode==TRUE);

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$this->SendMSG("Staring FTP client class".($this->_port_available?"":" without PORT mode support"));

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$this->_connected=FALSE;

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$this->_ready=FALSE;

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$this->_can_restore=FALSE;

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$this->_code=0;

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$this->_message="";

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$this->_ftp_buff_size=4096;

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$this->_curtype=NULL;

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$this->SetUmask(0022);

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$this->SetType(FTP_AUTOASCII);

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$this->SetTimeout(30);

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$this->Passive(!$this->_port_available);

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$this->_login="anonymous";

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$this->_password="anon@ftp.com";

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$this->_features=array();

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$this->OS_local=FTP_OS_Unix;

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$this->OS_remote=FTP_OS_Unix;

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$this->features=array();

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if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') $this->OS_local=FTP_OS_Windows;

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elseif(strtoupper(substr(PHP_OS, 0, 3)) === 'MAC') $this->OS_local=FTP_OS_Mac;

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}

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function ftp_base($port_mode=FALSE) {

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$this->__construct($port_mode);

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}

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// <!-- --------------------------------------------------------------------------------------- -->

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// <!-- Public functions -->

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// <!-- --------------------------------------------------------------------------------------- -->

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function parselisting($line) {

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$is_windows = ($this->OS_remote == FTP_OS_Windows);

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if ($is_windows && preg_match("/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/",$line,$lucifer)) {

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$b = array();

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if ($lucifer[3]<70) { $lucifer[3]+=2000; } else { $lucifer[3]+=1900; } // 4digit year fix

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$b['isdir'] = ($lucifer[7]=="<DIR>");

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if ( $b['isdir'] )

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$b['type'] = 'd';

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else

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$b['type'] = 'f';

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$b['size'] = $lucifer[7];

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$b['month'] = $lucifer[1];

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$b['day'] = $lucifer[2];

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$b['year'] = $lucifer[3];

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$b['hour'] = $lucifer[4];

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$b['minute'] = $lucifer[5];

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$b['time'] = @mktime($lucifer[4]+(strcasecmp($lucifer[6],"PM")==0?12:0),$lucifer[5],0,$lucifer[1],$lucifer[2],$lucifer[3]);

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$b['am/pm'] = $lucifer[6];

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$b['name'] = $lucifer[8];

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} else if (!$is_windows && $lucifer=preg_split("/[ ]/",$line,9,PREG_SPLIT_NO_EMPTY)) {

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//echo $line."\n";

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$lcount=count($lucifer);

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if ($lcount<8) return '';

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$b = array();

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$b['isdir'] = $lucifer[0][0] === "d";

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$b['islink'] = $lucifer[0][0] === "l";

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if ( $b['isdir'] )

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$b['type'] = 'd';

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elseif ( $b['islink'] )

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$b['type'] = 'l';

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else

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$b['type'] = 'f';

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$b['perms'] = $lucifer[0];

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$b['number'] = $lucifer[1];

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$b['owner'] = $lucifer[2];

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$b['group'] = $lucifer[3];

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$b['size'] = $lucifer[4];

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if ($lcount==8) {

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sscanf($lucifer[5],"%d-%d-%d",$b['year'],$b['month'],$b['day']);

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sscanf($lucifer[6],"%d:%d",$b['hour'],$b['minute']);

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$b['time'] = @mktime($b['hour'],$b['minute'],0,$b['month'],$b['day'],$b['year']);

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$b['name'] = $lucifer[7];

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} else {

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$b['month'] = $lucifer[5];

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$b['day'] = $lucifer[6];

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if (preg_match("/([0-9]{2}):([0-9]{2})/",$lucifer[7],$l2)) {

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$b['year'] = gmdate("Y");

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$b['hour'] = $l2[1];

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$b['minute'] = $l2[2];

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} else {

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$b['year'] = $lucifer[7];

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$b['hour'] = 0;

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$b['minute'] = 0;

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}

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$b['time'] = strtotime(sprintf("%d %s %d %02d:%02d",$b['day'],$b['month'],$b['year'],$b['hour'],$b['minute']));

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$b['name'] = $lucifer[8];

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}

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}

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return $b;

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}

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function SendMSG($message = "", $crlf=true) {

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if ($this->Verbose) {

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echo $message.($crlf?CRLF:"");

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flush();

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}

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return TRUE;

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}

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function SetType($mode=FTP_AUTOASCII) {

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if(!in_array($mode, $this->AuthorizedTransferMode)) {

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$this->SendMSG("Wrong type");

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return FALSE;

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}

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$this->_type=$mode;

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$this->SendMSG("Transfer type: ".($this->_type==FTP_BINARY?"binary":($this->_type==FTP_ASCII?"ASCII":"auto ASCII") ) );

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return TRUE;

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}

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function _settype($mode=FTP_ASCII) {

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if($this->_ready) {

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if($mode==FTP_BINARY) {

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if($this->_curtype!=FTP_BINARY) {

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if(!$this->_exec("TYPE I", "SetType")) return FALSE;

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$this->_curtype=FTP_BINARY;

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}

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} elseif($this->_curtype!=FTP_ASCII) {

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if(!$this->_exec("TYPE A", "SetType")) return FALSE;

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$this->_curtype=FTP_ASCII;

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}

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} else return FALSE;

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return TRUE;

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}

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function Passive($pasv=NULL) {

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if(is_null($pasv)) $this->_passive=!$this->_passive;

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else $this->_passive=$pasv;

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if(!$this->_port_available and !$this->_passive) {

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$this->SendMSG("Only passive connections available!");

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$this->_passive=TRUE;

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return FALSE;

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}

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$this->SendMSG("Passive mode ".($this->_passive?"on":"off"));

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return TRUE;

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}

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function SetServer($host, $port=21, $reconnect=true) {

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if(!is_long($port)) {

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$this->verbose=true;

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$this->SendMSG("Incorrect port syntax");

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return FALSE;

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} else {

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$ip=@gethostbyname($host);

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$dns=@gethostbyaddr($host);

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if(!$ip) $ip=$host;

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if(!$dns) $dns=$host;

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// Validate the IPAddress PHP4 returns -1 for invalid, PHP5 false

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// -1 === "255.255.255.255" which is the broadcast address which is also going to be invalid

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$ipaslong = ip2long($ip);

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if ( ($ipaslong == false) || ($ipaslong === -1) ) {

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$this->SendMSG("Wrong host name/address \"".$host."\"");

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return FALSE;

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}

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$this->_host=$ip;

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$this->_fullhost=$dns;

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$this->_port=$port;

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$this->_dataport=$port-1;

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}

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$this->SendMSG("Host \"".$this->_fullhost."(".$this->_host."):".$this->_port."\"");

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if($reconnect){

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if($this->_connected) {

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$this->SendMSG("Reconnecting");

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if(!$this->quit(FTP_FORCE)) return FALSE;

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if(!$this->connect()) return FALSE;

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}

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}

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return TRUE;

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}

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function SetUmask($umask=0022) {

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$this->_umask=$umask;

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umask($this->_umask);

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$this->SendMSG("UMASK 0".decoct($this->_umask));

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return TRUE;

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}

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function SetTimeout($timeout=30) {

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$this->_timeout=$timeout;

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$this->SendMSG("Timeout ".$this->_timeout);

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if($this->_connected)

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if(!$this->_settimeout($this->_ftp_control_sock)) return FALSE;

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return TRUE;

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}

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function connect($server=NULL) {

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if(!empty($server)) {

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if(!$this->SetServer($server)) return false;

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}

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if($this->_ready) return true;

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$this->SendMsg('Local OS : '.$this->OS_FullName[$this->OS_local]);

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if(!($this->_ftp_control_sock = $this->_connect($this->_host, $this->_port))) {

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$this->SendMSG("Error : Cannot connect to remote host \"".$this->_fullhost." :".$this->_port."\"");

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return FALSE;

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}

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$this->SendMSG("Connected to remote host \"".$this->_fullhost.":".$this->_port."\". Waiting for greeting.");

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do {

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if(!$this->_readmsg()) return FALSE;

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if(!$this->_checkCode()) return FALSE;

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$this->_lastaction=time();

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} while($this->_code<200);

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$this->_ready=true;

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$syst=$this->systype();

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if(!$syst) $this->SendMSG("Cannot detect remote OS");

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else {

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if(preg_match("/win|dos|novell/i", $syst[0])) $this->OS_remote=FTP_OS_Windows;

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elseif(preg_match("/os/i", $syst[0])) $this->OS_remote=FTP_OS_Mac;

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elseif(preg_match("/(li|u)nix/i", $syst[0])) $this->OS_remote=FTP_OS_Unix;

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else $this->OS_remote=FTP_OS_Mac;

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$this->SendMSG("Remote OS: ".$this->OS_FullName[$this->OS_remote]);

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}

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if(!$this->features()) $this->SendMSG("Cannot get features list. All supported - disabled");

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else $this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));

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return TRUE;

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}

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function quit($force=false) {

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if($this->_ready) {

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if(!$this->_exec("QUIT") and !$force) return FALSE;

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if(!$this->_checkCode() and !$force) return FALSE;

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$this->_ready=false;

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$this->SendMSG("Session finished");

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}

[365] Fix | Delete

$this->_quit();

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return TRUE;

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}

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function login($user=NULL, $pass=NULL) {

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if(!is_null($user)) $this->_login=$user;

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else $this->_login="anonymous";

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if(!is_null($pass)) $this->_password=$pass;

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else $this->_password="anon@anon.com";

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if(!$this->_exec("USER ".$this->_login, "login")) return FALSE;

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if(!$this->_checkCode()) return FALSE;

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if($this->_code!=230) {

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if(!$this->_exec((($this->_code==331)?"PASS ":"ACCT ").$this->_password, "login")) return FALSE;

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if(!$this->_checkCode()) return FALSE;

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}

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$this->SendMSG("Authentication succeeded");

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if(empty($this->_features)) {

[382] Fix | Delete

if(!$this->features()) $this->SendMSG("Cannot get features list. All supported - disabled");

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else $this->SendMSG("Supported features: ".implode(", ", array_keys($this->_features)));

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}

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return TRUE;

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}

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function pwd() {

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if(!$this->_exec("PWD", "pwd")) return FALSE;

[390] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[391] Fix | Delete

return preg_replace("/^[0-9]{3} \"(.+)\".*$/s", "\\1", $this->_message);

[392] Fix | Delete

}

[393] Fix | Delete

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function cdup() {

[395] Fix | Delete

if(!$this->_exec("CDUP", "cdup")) return FALSE;

[396] Fix | Delete

if(!$this->_checkCode()) return FALSE;

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return true;

[398] Fix | Delete

}

[399] Fix | Delete

[400] Fix | Delete

function chdir($pathname) {

[401] Fix | Delete

if(!$this->_exec("CWD ".$pathname, "chdir")) return FALSE;

[402] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[403] Fix | Delete

return TRUE;

[404] Fix | Delete

}

[405] Fix | Delete

[406] Fix | Delete

function rmdir($pathname) {

[407] Fix | Delete

if(!$this->_exec("RMD ".$pathname, "rmdir")) return FALSE;

[408] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[409] Fix | Delete

return TRUE;

[410] Fix | Delete

}

[411] Fix | Delete

[412] Fix | Delete

function mkdir($pathname) {

[413] Fix | Delete

if(!$this->_exec("MKD ".$pathname, "mkdir")) return FALSE;

[414] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[415] Fix | Delete

return TRUE;

[416] Fix | Delete

}

[417] Fix | Delete

[418] Fix | Delete

function rename($from, $to) {

[419] Fix | Delete

if(!$this->_exec("RNFR ".$from, "rename")) return FALSE;

[420] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[421] Fix | Delete

if($this->_code==350) {

[422] Fix | Delete

if(!$this->_exec("RNTO ".$to, "rename")) return FALSE;

[423] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[424] Fix | Delete

} else return FALSE;

[425] Fix | Delete

return TRUE;

[426] Fix | Delete

}

[427] Fix | Delete

[428] Fix | Delete

function filesize($pathname) {

[429] Fix | Delete

if(!isset($this->_features["SIZE"])) {

[430] Fix | Delete

$this->PushError("filesize", "not supported by server");

[431] Fix | Delete

return FALSE;

[432] Fix | Delete

}

[433] Fix | Delete

if(!$this->_exec("SIZE ".$pathname, "filesize")) return FALSE;

[434] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[435] Fix | Delete

return preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);

[436] Fix | Delete

}

[437] Fix | Delete

[438] Fix | Delete

function abort() {

[439] Fix | Delete

if(!$this->_exec("ABOR", "abort")) return FALSE;

[440] Fix | Delete

if(!$this->_checkCode()) {

[441] Fix | Delete

if($this->_code!=426) return FALSE;

[442] Fix | Delete

if(!$this->_readmsg("abort")) return FALSE;

[443] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[444] Fix | Delete

}

[445] Fix | Delete

return true;

[446] Fix | Delete

}

[447] Fix | Delete

[448] Fix | Delete

function mdtm($pathname) {

[449] Fix | Delete

if(!isset($this->_features["MDTM"])) {

[450] Fix | Delete

$this->PushError("mdtm", "not supported by server");

[451] Fix | Delete

return FALSE;

[452] Fix | Delete

}

[453] Fix | Delete

if(!$this->_exec("MDTM ".$pathname, "mdtm")) return FALSE;

[454] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[455] Fix | Delete

$mdtm = preg_replace("/^[0-9]{3} ([0-9]+).*$/s", "\\1", $this->_message);

[456] Fix | Delete

$date = sscanf($mdtm, "%4d%2d%2d%2d%2d%2d");

[457] Fix | Delete

$timestamp = mktime($date[3], $date[4], $date[5], $date[1], $date[2], $date[0]);

[458] Fix | Delete

return $timestamp;

[459] Fix | Delete

}

[460] Fix | Delete

[461] Fix | Delete

function systype() {

[462] Fix | Delete

if(!$this->_exec("SYST", "systype")) return FALSE;

[463] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[464] Fix | Delete

$DATA = explode(" ", $this->_message);

[465] Fix | Delete

return array($DATA[1], $DATA[3]);

[466] Fix | Delete

}

[467] Fix | Delete

[468] Fix | Delete

function delete($pathname) {

[469] Fix | Delete

if(!$this->_exec("DELE ".$pathname, "delete")) return FALSE;

[470] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[471] Fix | Delete

return TRUE;

[472] Fix | Delete

}

[473] Fix | Delete

[474] Fix | Delete

function site($command, $fnction="site") {

[475] Fix | Delete

if(!$this->_exec("SITE ".$command, $fnction)) return FALSE;

[476] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[477] Fix | Delete

return TRUE;

[478] Fix | Delete

}

[479] Fix | Delete

[480] Fix | Delete

function chmod($pathname, $mode) {

[481] Fix | Delete

if(!$this->site( sprintf('CHMOD %o %s', $mode, $pathname), "chmod")) return FALSE;

[482] Fix | Delete

return TRUE;

[483] Fix | Delete

}

[484] Fix | Delete

[485] Fix | Delete

function restore($from) {

[486] Fix | Delete

if(!isset($this->_features["REST"])) {

[487] Fix | Delete

$this->PushError("restore", "not supported by server");

[488] Fix | Delete

return FALSE;

[489] Fix | Delete

}

[490] Fix | Delete

if($this->_curtype!=FTP_BINARY) {

[491] Fix | Delete

$this->PushError("restore", "cannot restore in ASCII mode");

[492] Fix | Delete

return FALSE;

[493] Fix | Delete

}

[494] Fix | Delete

if(!$this->_exec("REST ".$from, "restore")) return FALSE;

[495] Fix | Delete

if(!$this->_checkCode()) return FALSE;

[496] Fix | Delete

return TRUE;

[497] Fix | Delete

}

[498] Fix | Delete

[499] Fix | Delete