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| author | Andreas Fischer <bantu@phpbb.com> | 2011-08-10 16:14:45 +0200 |
|---|---|---|
| committer | Andreas Fischer <bantu@phpbb.com> | 2011-08-11 23:15:25 +0200 |
| commit | 66553fb8574a9d2578f423f4db0461efe49ea099 (patch) | |
| tree | 637341925f44bd38352aadece482bb21906f626d /phpBB/includes/functions_transfer.php | |
| parent | ec3f4db4254783a8542da5ed479949cee7a98454 (diff) | |
| download | forums-66553fb8574a9d2578f423f4db0461efe49ea099.tar forums-66553fb8574a9d2578f423f4db0461efe49ea099.tar.gz forums-66553fb8574a9d2578f423f4db0461efe49ea099.tar.bz2 forums-66553fb8574a9d2578f423f4db0461efe49ea099.tar.xz forums-66553fb8574a9d2578f423f4db0461efe49ea099.zip | |
[ticket/9297] Add support for Extended Passive Mode (EPSV) in ftp_fsock class.
PHPBB3-9297
Diffstat (limited to 'phpBB/includes/functions_transfer.php')
| -rw-r--r-- | phpBB/includes/functions_transfer.php | 55 |
1 files changed, 44 insertions, 11 deletions
diff --git a/phpBB/includes/functions_transfer.php b/phpBB/includes/functions_transfer.php index 046abede8e..5ab7a87efd 100644 --- a/phpBB/includes/functions_transfer.php +++ b/phpBB/includes/functions_transfer.php @@ -808,23 +808,56 @@ class ftp_fsock extends transfer */ function _open_data_connection() { - $this->_send_command('PASV', '', false); - - if (!$ip_port = $this->_check_command(true)) + // Try to find out whether we have a IPv4 or IPv6 (control) connection + if (function_exists('stream_socket_get_name')) { - return false; + $socket_name = stream_socket_get_name($this->connection, true); + $server_ip = substr($socket_name, 0, strrpos($socket_name, ':')); } - // open the connection to start sending the file - if (!preg_match('#[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+#', $ip_port, $temp)) + if (!isset($server_ip) || preg_match(get_preg_expression('ipv4'), $server_ip)) { - // bad ip and port - return false; + // Passive mode + $this->_send_command('PASV', '', false); + + if (!$ip_port = $this->_check_command(true)) + { + return false; + } + + // open the connection to start sending the file + if (!preg_match('#[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+#', $ip_port, $temp)) + { + // bad ip and port + return false; + } + + $temp = explode(',', $temp[0]); + $server_ip = $temp[0] . '.' . $temp[1] . '.' . $temp[2] . '.' . $temp[3]; + $server_port = $temp[4] * 256 + $temp[5]; + } + else + { + // Extended Passive Mode - RFC2428 + $this->_send_command('EPSV', '', false); + + if (!$epsv_response = $this->_check_command(true)) + { + return false; + } + + // Response looks like "229 Entering Extended Passive Mode (|||12345|)" + // where 12345 is the tcp port for the data connection + if (!preg_match('#\(\|\|\|([0-9]+)\|\)#', $epsv_response, $match)) + { + return false; + } + $server_port = (int) $match[1]; + + // fsockopen expects IPv6 address in square brackets + $server_ip = "[$server_ip]"; } - $temp = explode(',', $temp[0]); - $server_ip = $temp[0] . '.' . $temp[1] . '.' . $temp[2] . '.' . $temp[3]; - $server_port = $temp[4] * 256 + $temp[5]; $errno = 0; $errstr = ''; |