ftp_pure

28class ftp_pure extends ftp_base {29 30	function __construct($verb=FALSE, $le=FALSE) {31		parent::__construct(false, $verb, $le);32	}33 34// <!-- --------------------------------------------------------------------------------------- -->35// <!--       Private functions                                                                 -->36// <!-- --------------------------------------------------------------------------------------- -->37 38	function _settimeout($sock) {39		if(!@stream_set_timeout($sock, $this->_timeout)) {40			$this->PushError('_settimeout','socket set send timeout');41			$this->_quit();42			return FALSE;43		}44		return TRUE;45	}46 47	function _connect($host, $port) {48		$this->SendMSG("Creating socket");49		$sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout);50		if (!$sock) {51			$this->PushError('_connect','socket connect failed', $errstr." (".$errno.")");52			return FALSE;53		}54		$this->_connected=true;55		return $sock;56	}57 58	function _readmsg($fnction="_readmsg"){59		if(!$this->_connected) {60			$this->PushError($fnction, 'Connect first');61			return FALSE;62		}63		$result=true;64		$this->_message="";65		$this->_code=0;66		$go=true;67		do {68			$tmp=@fgets($this->_ftp_control_sock, 512);69			if($tmp===false) {70				$go=$result=false;71				$this->PushError($fnction,'Read failed');72			} else {73				$this->_message.=$tmp;74				if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false;75			}76		} while($go);77		if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;78		$this->_code=(int)$regs[1];79		return $result;80	}81 82	function _exec($cmd, $fnction="_exec") {83		if(!$this->_ready) {84			$this->PushError($fnction,'Connect first');85			return FALSE;86		}87		if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;88		$status=@fputs($this->_ftp_control_sock, $cmd.CRLF);89		if($status===false) {90			$this->PushError($fnction,'socket write failed');91			return FALSE;92		}93		$this->_lastaction=time();94		if(!$this->_readmsg($fnction)) return FALSE;95		return TRUE;96	}97 98	function _data_prepare($mode=FTP_ASCII) {99		if(!$this->_settype($mode)) return FALSE;100		if($this->_passive) {101			if(!$this->_exec("PASV", "pasv")) {102				$this->_data_close();103				return FALSE;104			}105			if(!$this->_checkCode()) {106				$this->_data_close();107				return FALSE;