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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 ?> |