--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/includes/class-ftp-sockets.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,250 @@
+<?php
+/**
+ * PemFTP - A Ftp implementation in pure PHP
+ *
+ * @package PemFTP
+ * @since 2.5
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+
+/**
+ * Socket Based FTP implementation
+ *
+ * @package PemFTP
+ * @subpackage Socket
+ * @since 2.5
+ *
+ * @version 1.0
+ * @copyright Alexey Dotsenko
+ * @author Alexey Dotsenko
+ * @link http://www.phpclasses.org/browse/package/1743.html Site
+ * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
+ */
+class ftp extends ftp_base {
+
+	function ftp($verb=FALSE, $le=FALSE) {
+		$this->__construct($verb, $le);
+	}
+
+	function __construct($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;
+			}
+			$ip_port = explode(",", ereg_replace("^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*".CRLF."$", "\\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)) {
+				$this->PushError("_data_prepare","can't get control socket information", socket_strerror(socket_last_error($this->_ftp_control_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_bind($this->_ftp_data_sock,$addr)){
+				$this->PushError("_data_prepare","can't bind data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_listen($this->_ftp_data_sock)) {
+				$this->PushError("_data_prepare","can't listen data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
+				$this->_data_close();
+				return FALSE;
+			}
+			if(!@socket_getsockname($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
+				$this->PushError("_data_prepare","can't get data socket information", socket_strerror(socket_last_error($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");
+		}
+	}
+}
+?>