function _connect(&$fp)
{
if (!empty($this->proxy_host) && !empty($this->proxy_port)) {
$this->_isproxy = true;
$host = $this->proxy_host;
$port = $this->proxy_port;
} else {
$host = $this->host;
if (empty($this->port)) {
$port = 80;
} else {
$port = $this->port;
}
}
$this->status = 0;
// Mod: Added IDNA support
list($fp, $errno, $errstr, $host) = fsockopen_idna($host, $port, $this->_fp_timeout);
if ($fp) {
// socket connection succeeded
return true;
} else {
// socket connection failed
$this->status = $errno;
switch ($errno) {
case -3:
$this->error = "socket creation failed (-3)";
case -4:
$this->error = "dns lookup failure (-4)";
case -5:
$this->error = "connection refused or timed out (-5)";
default:
$this->error = "connection failed (" . $errno . ")";
}
return false;
}
}
/**
* Connect to the POP3 server
* @access public
* @param string $host
* @param bool|int $port
* @param integer $tval
* @return boolean
* Modified for Viscacha
*/
public function Connect ($host, $port = false, $tval = 30) {
// Are we already connected?
if ($this->connected) {
return true;
}
list($this->pop_conn, $errno, $errstr, $host) = fsockopen_idna($host, $port, $tval);
// Does the Error Log now contain anything?
if ($this->error && $this->do_debug >= 1) {
$this->displayErrors();
}
// Did we connect?
if ($this->pop_conn == false) {
// It would appear not...
$this->error = array(
'error' => "Failed to connect to server $host on port $port",
'errno' => $errno,
'errstr' => $errstr
);
if ($this->do_debug >= 1) {
$this->displayErrors();
}
return false;
}
// Increase the stream time-out
// Check for PHP 4.3.0 or later
if (version_compare(phpversion(), '5.0.0', 'ge')) {
stream_set_timeout($this->pop_conn, $tval, 0);
} else {
// Does not work on Windows
if (substr(PHP_OS, 0, 3) !== 'WIN') {
socket_set_timeout($this->pop_conn, $tval, 0);
}
}
// Get the POP3 server response
$pop3_response = $this->getResponse();
// Check for the +OK
if ($this->checkResponse($pop3_response)) {
// The connection is established and the POP3 server is talking
$this->connected = true;
return true;
}
return false;
}
/**
* Connect to the server specified on the port specified.
* If the port is not specified use the default SMTP_PORT.
* If tval is specified then a connection will try and be
* established with the server for that number of seconds.
* If tval is not specified the default is 30 seconds to
* try on the connection.
*
* SMTP CODE SUCCESS: 220
* SMTP CODE FAILURE: 421
* @access public
* @return bool
*/
function Connect($host, $port = 0, $tval = 30)
{
# set the error val to null so there is no confusion
$this->error = null;
# make sure we are __not__ connected
if ($this->connected()) {
# ok we are connected! what should we do?
# for now we will just give an error saying we
# are already connected
$this->error = array("error" => "Already connected to a server");
return false;
}
if (empty($port)) {
$port = $this->SMTP_PORT;
}
// Mod: Added IDNA support
#connect to the smtp server
list($this->smtp_conn, $errno, $errstr, $host) = fsockopen_idna($host, $port, $tval);
# verify we connected properly
if (empty($this->smtp_conn)) {
$this->error = array("error" => "Failed to connect to server", "errno" => $errno, "errstr" => $errstr);
if ($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] . ": {$errstr} ({$errno})" . $this->CRLF;
}
return false;
}
# sometimes the SMTP server takes a little longer to respond
# so we will give it a longer timeout for the first read
// Windows still does not have support for this timeout function
if (substr(PHP_OS, 0, 3) != "WIN") {
socket_set_timeout($this->smtp_conn, $tval, 0);
}
# get any announcement stuff
$announce = $this->get_lines();
# set the timeout of any socket functions at 1/10 of a second
//if(function_exists("socket_set_timeout"))
// socket_set_timeout($this->smtp_conn, 0, 100000);
if ($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
}
return true;
}
function _data_prepare($mode = FTP_ASCII)
{
if (!$this->_settype($mode)) {
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 . ":" . $this->_dataport);
list($this->_ftp_data_sock, $errno, $errstr, $this->_datahost) = fsockopen_idna($this->_datahost, $this->_dataport, $this->_timeout);
if (!$this->_ftp_data_sock) {
$this->PushError("_data_prepare", "fsockopen fails (host: {$this->_datahost})", $errstr . " (" . $errno . ")");
$this->_data_close();
return FALSE;
}
} else {
$this->SendMSG("Only passive connections available!");
return FALSE;
}
return TRUE;
}