[44] | 1 | <?php
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| 2 | /**
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| 3 | * PemFTP - A Ftp implementation in pure PHP
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| 4 | *
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| 5 | * @package PemFTP
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| 6 | * @since 2.5
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| 7 | *
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| 8 | * @version 1.0
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| 9 | * @copyright Alexey Dotsenko
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| 10 | * @author Alexey Dotsenko
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| 11 | * @link http://www.phpclasses.org/browse/package/1743.html Site
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| 12 | * @license LGPL License http://www.opensource.org/licenses/lgpl-license.html
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| 13 | */
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| 14 |
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| 15 | /**
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| 16 | * Socket Based FTP implementation
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| 17 | *
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| 18 | * @package PemFTP
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| 19 | * @subpackage Socket
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| 20 | * @since 2.5
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| 21 | *
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| 22 | * @version 1.0
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| 23 | * @copyright Alexey Dotsenko
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| 24 | * @author Alexey Dotsenko
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| 25 | * @link http://www.phpclasses.org/browse/package/1743.html Site
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| 26 | * @license LGPL License http://www.opensource.org/licenses/lgpl-license.html
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| 27 | */
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| 28 | class ftp extends ftp_base {
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| 29 |
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| 30 | function ftp($verb=FALSE, $le=FALSE) {
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| 31 | $this->__construct($verb, $le);
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| 32 | }
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| 33 |
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| 34 | function __construct($verb=FALSE, $le=FALSE) {
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| 35 | parent::__construct(true, $verb, $le);
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| 36 | }
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| 37 |
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| 38 | // <!-- --------------------------------------------------------------------------------------- -->
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| 39 | // <!-- Private functions -->
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| 40 | // <!-- --------------------------------------------------------------------------------------- -->
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| 41 |
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| 42 | function _settimeout($sock) {
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| 43 | if(!@socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) {
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| 44 | $this->PushError('_connect','socket set receive timeout',socket_strerror(socket_last_error($sock)));
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| 45 | @socket_close($sock);
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| 46 | return FALSE;
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| 47 | }
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| 48 | if(!@socket_set_option($sock, SOL_SOCKET , SO_SNDTIMEO, array("sec"=>$this->_timeout, "usec"=>0))) {
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| 49 | $this->PushError('_connect','socket set send timeout',socket_strerror(socket_last_error($sock)));
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| 50 | @socket_close($sock);
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| 51 | return FALSE;
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| 52 | }
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| 53 | return true;
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| 54 | }
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| 55 |
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| 56 | function _connect($host, $port) {
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| 57 | $this->SendMSG("Creating socket");
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| 58 | if(!($sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) {
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| 59 | $this->PushError('_connect','socket create failed',socket_strerror(socket_last_error($sock)));
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| 60 | return FALSE;
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| 61 | }
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| 62 | if(!$this->_settimeout($sock)) return FALSE;
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| 63 | $this->SendMSG("Connecting to \"".$host.":".$port."\"");
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| 64 | if (!($res = @socket_connect($sock, $host, $port))) {
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| 65 | $this->PushError('_connect','socket connect failed',socket_strerror(socket_last_error($sock)));
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| 66 | @socket_close($sock);
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| 67 | return FALSE;
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| 68 | }
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| 69 | $this->_connected=true;
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| 70 | return $sock;
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| 71 | }
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| 72 |
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| 73 | function _readmsg($fnction="_readmsg"){
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| 74 | if(!$this->_connected) {
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| 75 | $this->PushError($fnction,'Connect first');
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| 76 | return FALSE;
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| 77 | }
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| 78 | $result=true;
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| 79 | $this->_message="";
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| 80 | $this->_code=0;
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| 81 | $go=true;
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| 82 | do {
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| 83 | $tmp=@socket_read($this->_ftp_control_sock, 4096, PHP_BINARY_READ);
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| 84 | if($tmp===false) {
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| 85 | $go=$result=false;
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| 86 | $this->PushError($fnction,'Read failed', socket_strerror(socket_last_error($this->_ftp_control_sock)));
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| 87 | } else {
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| 88 | $this->_message.=$tmp;
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| 89 | $go = !preg_match("/^([0-9]{3})(-.+\\1)? [^".CRLF."]+".CRLF."$/Us", $this->_message, $regs);
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| 90 | }
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| 91 | } while($go);
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| 92 | if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
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| 93 | $this->_code=(int)$regs[1];
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| 94 | return $result;
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| 95 | }
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| 96 |
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| 97 | function _exec($cmd, $fnction="_exec") {
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| 98 | if(!$this->_ready) {
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| 99 | $this->PushError($fnction,'Connect first');
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| 100 | return FALSE;
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| 101 | }
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| 102 | if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
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| 103 | $status=@socket_write($this->_ftp_control_sock, $cmd.CRLF);
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| 104 | if($status===false) {
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| 105 | $this->PushError($fnction,'socket write failed', socket_strerror(socket_last_error($this->stream)));
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| 106 | return FALSE;
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| 107 | }
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| 108 | $this->_lastaction=time();
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| 109 | if(!$this->_readmsg($fnction)) return FALSE;
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| 110 | return TRUE;
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| 111 | }
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| 112 |
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| 113 | function _data_prepare($mode=FTP_ASCII) {
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| 114 | if(!$this->_settype($mode)) return FALSE;
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| 115 | $this->SendMSG("Creating data socket");
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| 116 | $this->_ftp_data_sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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| 117 | if ($this->_ftp_data_sock < 0) {
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| 118 | $this->PushError('_data_prepare','socket create failed',socket_strerror(socket_last_error($this->_ftp_data_sock)));
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| 119 | return FALSE;
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| 120 | }
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| 121 | if(!$this->_settimeout($this->_ftp_data_sock)) {
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| 122 | $this->_data_close();
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| 123 | return FALSE;
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| 124 | }
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| 125 | if($this->_passive) {
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| 126 | if(!$this->_exec("PASV", "pasv")) {
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| 127 | $this->_data_close();
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| 128 | return FALSE;
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| 129 | }
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| 130 | if(!$this->_checkCode()) {
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| 131 | $this->_data_close();
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| 132 | return FALSE;
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| 133 | }
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| 134 | $ip_port = explode(",", ereg_replace("^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*".CRLF."$", "\\1", $this->_message));
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| 135 | $this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
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| 136 | $this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
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| 137 | $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
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| 138 | if(!@socket_connect($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
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| 139 | $this->PushError("_data_prepare","socket_connect", socket_strerror(socket_last_error($this->_ftp_data_sock)));
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| 140 | $this->_data_close();
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| 141 | return FALSE;
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| 142 | }
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| 143 | else $this->_ftp_temp_sock=$this->_ftp_data_sock;
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| 144 | } else {
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| 145 | if(!@socket_getsockname($this->_ftp_control_sock, $addr, $port)) {
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| 146 | $this->PushError("_data_prepare","can't get control socket information", socket_strerror(socket_last_error($this->_ftp_control_sock)));
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| 147 | $this->_data_close();
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| 148 | return FALSE;
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| 149 | }
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| 150 | if(!@socket_bind($this->_ftp_data_sock,$addr)){
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| 151 | $this->PushError("_data_prepare","can't bind data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
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| 152 | $this->_data_close();
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| 153 | return FALSE;
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| 154 | }
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| 155 | if(!@socket_listen($this->_ftp_data_sock)) {
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| 156 | $this->PushError("_data_prepare","can't listen data socket", socket_strerror(socket_last_error($this->_ftp_data_sock)));
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| 157 | $this->_data_close();
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| 158 | return FALSE;
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| 159 | }
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| 160 | if(!@socket_getsockname($this->_ftp_data_sock, $this->_datahost, $this->_dataport)) {
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| 161 | $this->PushError("_data_prepare","can't get data socket information", socket_strerror(socket_last_error($this->_ftp_data_sock)));
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| 162 | $this->_data_close();
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| 163 | return FALSE;
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| 164 | }
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| 165 | if(!$this->_exec('PORT '.str_replace('.',',',$this->_datahost.'.'.($this->_dataport>>8).'.'.($this->_dataport&0x00FF)), "_port")) {
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| 166 | $this->_data_close();
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| 167 | return FALSE;
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| 168 | }
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| 169 | if(!$this->_checkCode()) {
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| 170 | $this->_data_close();
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| 171 | return FALSE;
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| 172 | }
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| 173 | }
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| 174 | return TRUE;
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| 175 | }
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| 176 |
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| 177 | function _data_read($mode=FTP_ASCII, $fp=NULL) {
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| 178 | $NewLine=$this->_eol_code[$this->OS_local];
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| 179 | if(is_resource($fp)) $out=0;
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| 180 | else $out="";
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| 181 | if(!$this->_passive) {
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| 182 | $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
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| 183 | $this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock);
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| 184 | if($this->_ftp_temp_sock===FALSE) {
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| 185 | $this->PushError("_data_read","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
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| 186 | $this->_data_close();
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| 187 | return FALSE;
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| 188 | }
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| 189 | }
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| 190 |
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| 191 | while(($block=@socket_read($this->_ftp_temp_sock, $this->_ftp_buff_size, PHP_BINARY_READ))!==false) {
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| 192 | if($block==="") break;
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| 193 | if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
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| 194 | if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
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| 195 | else $out.=$block;
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| 196 | }
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| 197 | return $out;
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| 198 | }
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| 199 |
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| 200 | function _data_write($mode=FTP_ASCII, $fp=NULL) {
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| 201 | $NewLine=$this->_eol_code[$this->OS_local];
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| 202 | if(is_resource($fp)) $out=0;
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| 203 | else $out="";
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| 204 | if(!$this->_passive) {
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| 205 | $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
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| 206 | $this->_ftp_temp_sock=socket_accept($this->_ftp_data_sock);
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| 207 | if($this->_ftp_temp_sock===FALSE) {
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| 208 | $this->PushError("_data_write","socket_accept", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
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| 209 | $this->_data_close();
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| 210 | return false;
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| 211 | }
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| 212 | }
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| 213 | if(is_resource($fp)) {
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| 214 | while(!feof($fp)) {
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| 215 | $block=fread($fp, $this->_ftp_buff_size);
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| 216 | if(!$this->_data_write_block($mode, $block)) return false;
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| 217 | }
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| 218 | } elseif(!$this->_data_write_block($mode, $fp)) return false;
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| 219 | return true;
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| 220 | }
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| 221 |
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| 222 | function _data_write_block($mode, $block) {
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| 223 | if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
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| 224 | do {
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| 225 | if(($t=@socket_write($this->_ftp_temp_sock, $block))===FALSE) {
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| 226 | $this->PushError("_data_write","socket_write", socket_strerror(socket_last_error($this->_ftp_temp_sock)));
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| 227 | $this->_data_close();
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| 228 | return FALSE;
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| 229 | }
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| 230 | $block=substr($block, $t);
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| 231 | } while(!empty($block));
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| 232 | return true;
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| 233 | }
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| 234 |
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| 235 | function _data_close() {
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| 236 | @socket_close($this->_ftp_temp_sock);
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| 237 | @socket_close($this->_ftp_data_sock);
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| 238 | $this->SendMSG("Disconnected data from remote host");
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| 239 | return TRUE;
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| 240 | }
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| 241 |
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| 242 | function _quit() {
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| 243 | if($this->_connected) {
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| 244 | @socket_close($this->_ftp_control_sock);
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| 245 | $this->_connected=false;
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| 246 | $this->SendMSG("Socket closed");
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| 247 | }
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| 248 | }
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| 249 | }
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| 250 | ?>
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