name : class-ftp-sockets.php <?php /** * PemFTP - An Ftp implementation in pure PHP * * @package PemFTP * @since 2.5.0 * * @version 1.0 * @copyright Alexey Dotsenko * @author Alexey Dotsenko * @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html * @license LGPL https://opensource.org/licenses/lgpl-license.html */ /** * Socket Based FTP implementation * * @package PemFTP * @subpackage Socket * @since 2.5.0 * * @version 1.0 * @copyright Alexey Dotsenko * @author Alexey Dotsenko * @link https://www.phpclasses.org/package/1743-PHP-FTP-client-in-pure-PHP.html * @license LGPL https://opensource.org/licenses/lgpl-license.html */ class ftp_sockets extends ftp_base { function __construct($verb=FALSE, $le=FALSE) { parent::__construct(true, $verb, $le); } // <!-- --------------------------------------------------------------------------------------- --> // <!-- Private functions --> // <!-- --------------------------------------------------------------------------------------- --> function _settimeout($sock) { if(!@socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) { $this->PushError('_connect','socket set receive timeout',socket_strerror(socket_last_error($sock))); @socket_close($sock); return FALSE; } if(!@socket_set_option($sock, SOL_SOCKET , SO_SNDTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) { $this->PushError('_connect','socket set send timeout',socket_strerror(socket_last_error($sock))); @socket_close($sock); return FALSE; } return true; } function _connect($host, $port) { $this->SendMSG("Creating socket"); if(!($sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) { $this->PushError('_connect','socket create failed',socket_strerror(socket_last_error($sock))); return FALSE; } if(!$this->_settimeout($sock)) return FALSE; $this->SendMSG("Connecting to \"".$host.":".$port."\""); if (!($res = @socket_connect($sock, $host, $port))) { $this->PushError('_connect','socket connect failed',socket_strerror(socket_last_error($sock))); @socket_close($sock); return FALSE; } $this->_connected=true; return $sock; } function _readmsg($fnction="_readmsg"){ if(!$this->_connected) { $this->PushError($fnction,'Connect first'); return FALSE; } $result=true; $this->_message=""; $this->_code=0; $go=true; do { $tmp=@socket_read($this->_ftp_control_sock, 4096, PHP_BINARY_READ); if($tmp===false) { $go=$result=false; $this->PushError($fnction,'Read failed', socket_strerror(socket_last_error($this->_ftp_control_sock))); } else { $this->_message.=$tmp; $go = !preg_match("/^([0-9]{3})(-.+\\1)? [^".CRLF."]+".CRLF."$/Us", $this->_message, $regs); } } while($go); if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF; $this->_code=(int)$regs[1]; return $result; } function _exec($cmd, $fnction="_exec") { if(!$this->_ready) { $this->PushError($fnction,'Connect first'); return FALSE; } if($this->LocalEcho) echo "PUT > ",$cmd,CRLF; $status=@socket_write($this->_ftp_control_sock, $cmd.CRLF); if($status===false) { $this->PushError($fnction,'socket write failed', socket_strerror(socket_last_error($this->stream))); return FALSE; } $this->_lastaction=time(); if(!$this->_readmsg($fnction)) return FALSE; return TRUE; } function _data_prepare($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()) { $this->_data_close(); return FALSE; } } return TRUE; } function _data_read($mode=FTP_ASCII, $fp=NULL) { $NewLine=$this->_eol_code[$this->OS_local]; if(is_resource($fp)) $out=0; else $out=""; if(!$this->_passive) { $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport); $this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock); if($this->_ftp_temp_sock===FALSE) { $this->PushError("_data_read","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock))); $this->_data_close(); return FALSE; } } while(($block=@socket_read($this->_ftp_temp_sock, $this->_ftp_buff_size, PHP_BINARY_READ))!==false) { if($block==="") break; if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block); if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block)); else $out.=$block; } return $out; } function _data_write($mode=FTP_ASCII, $fp=NULL) { $NewLine=$this->_eol_code[$this->OS_local]; if(is_resource($fp)) $out=0; else $out=""; if(!$this->_passive) { $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport); $this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock); if($this->_ftp_temp_sock===FALSE) { $this->PushError("_data_write","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock))); $this->_data_close(); return false; } } if(is_resource($fp)) { while(!feof($fp)) { $block=fread($fp, $this->_ftp_buff_size); if(!$this->_data_write_block($mode, $block)) return false; } } elseif(!$this->_data_write_block($mode, $fp)) return false; return true; } function _data_write_block($mode, $block) { if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block); do { if(($t=@socket_write($this->_ftp_temp_sock, $block))===FALSE) { $this->PushError("_data_write","socket_write", socket_strerror(socket_last_error($this->_ftp_temp_sock))); $this->_data_close(); return FALSE; } $block=substr($block, $t); } while(!empty($block)); return true; } function _data_close() { @socket_close($this->_ftp_temp_sock); @socket_close($this->_ftp_data_sock); $this->SendMSG("Disconnected data from remote host"); return TRUE; } function _quit() { if($this->_connected) { @socket_close($this->_ftp_control_sock); $this->_connected=false; $this->SendMSG("Socket closed"); } } } ?>