ftp_sockets::_data_prepare() │ public │ WP 1.0

Method of the class: ftp_sockets{}

No Hooks.

Return

null. Nothing (null).

Usage

$ftp_sockets = new ftp_sockets();
$ftp_sockets->_data_prepare( $mode );

$mode **

-
Default: FTP_ASCII

ftp_sockets::_data_prepare() ftp sockets:: data prepare code ^{WP 6.5.2}

function _data_prepare($mode=FTP_ASCII) {
	if(!$this->_settype($mode)) return FALSE;
	$this->SendMSG("Creating data socket");
	$this->_ftp_data_sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
	if ($this->_ftp_data_sock < 0) {
		$this->PushError('_data_prepare','socket create failed',socket_strerror(socket_last_error($this->_ftp_data_sock)));
		return FALSE;
	}
	if(!$this->_settimeout($this->_ftp_data_sock)) {
		$this->_data_close();
		return FALSE;
	}
	if($this->_passive) {
		if(!$this->_exec("PASV", "pasv")) {
			$this->_data_close();
			return FALSE;
		}
		if(!$this->_checkCode()) {
			$this->_data_close();
			return FALSE;
		}
		$ip_port = explode(",", preg_replace("/^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*$/s", "\\1", $this->_message));
		$this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
		$this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
		$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
		if(!@socket_connect($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
			$this->PushError("_data_prepare","socket_connect", socket_strerror(socket_last_error($this->_ftp_data_sock)));
			$this->_data_close();
			return FALSE;
		}
		else $this->_ftp_temp_sock=$this->_ftp_data_sock;
	} else {
		if(!@socket_getsockname($this->_ftp_control_sock, $addr, $port)) {
			$this->PushError("_data_prepare","cannot get control socket information", socket_strerror(socket_last_error($this->_ftp_control_sock)));
			$this->_data_close();
			return FALSE;
		}
		if(!@socket_bind($this->_ftp_data_sock,$addr)){
			$this->PushError("_data_prepare","cannot bind data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
			$this->_data_close();
			return FALSE;
		}
		if(!@socket_listen($this->_ftp_data_sock)) {
			$this->PushError("_data_prepare","cannot listen data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
			$this->_data_close();
			return FALSE;
		}
		if(!@socket_getsockname($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
			$this->PushError("_data_prepare","cannot get data socket information", socket_strerror(socket_last_error($this->_ftp_data_sock)));
			$this->_data_close();
			return FALSE;
		}
		if(!$this->_exec('PORT '.str_replace('.',',',$this->_datahost.'.'.($this->_dataport>>8).'.'.($this->_dataport&0x00FF)), "_port")) {
			$this->_data_close();
			return FALSE;
		}
		if(!$this->_checkCode()) {
			$this->_data_close();
			return FALSE;
		}
	}
	return TRUE;
}