From 3ebac0167bf20104fb7a2a55934765117760264c Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Mon, 18 Aug 2014 03:53:18 -0400
Subject: [PATCH] Only add zen-mode text labels in compose step
---
program/lib/Net/Socket.php | 696 ++++++++++++++++++++++++++++++++++++++-------------------
1 files changed, 463 insertions(+), 233 deletions(-)
diff --git a/program/lib/Net/Socket.php b/program/lib/Net/Socket.php
index 11ccbe7..bf1d1bb 100644
--- a/program/lib/Net/Socket.php
+++ b/program/lib/Net/Socket.php
@@ -1,209 +1,300 @@
<?php
-//
-// +----------------------------------------------------------------------+
-// | PHP Version 4 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2003 The PHP Group |
-// +----------------------------------------------------------------------+
-// | This source file is subject to version 2.0 of the PHP license, |
-// | that is bundled with this package in the file LICENSE, and is |
-// | available at through the world-wide-web at |
-// | http://www.php.net/license/2_02.txt. |
-// | If you did not receive a copy of the PHP license and are unable to |
-// | obtain it through the world-wide-web, please send a note to |
-// | license@php.net so we can mail you a copy immediately. |
-// +----------------------------------------------------------------------+
-// | Authors: Stig Bakken <ssb@php.net> |
-// | Chuck Hagenbuch <chuck@horde.org> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-//
+/**
+ * Net_Socket
+ *
+ * PHP Version 4
+ *
+ * Copyright (c) 1997-2013 The PHP Group
+ *
+ * This source file is subject to version 2.0 of the PHP license,
+ * that is bundled with this package in the file LICENSE, and is
+ * available at through the world-wide-web at
+ * http://www.php.net/license/2_02.txt.
+ * If you did not receive a copy of the PHP license and are unable to
+ * obtain it through the world-wide-web, please send a note to
+ * license@php.net so we can mail you a copy immediately.
+ *
+ * Authors: Stig Bakken <ssb@php.net>
+ * Chuck Hagenbuch <chuck@horde.org>
+ *
+ * @category Net
+ * @package Net_Socket
+ * @author Stig Bakken <ssb@php.net>
+ * @author Chuck Hagenbuch <chuck@horde.org>
+ * @copyright 1997-2003 The PHP Group
+ * @license http://www.php.net/license/2_02.txt PHP 2.02
+ * @link http://pear.php.net/packages/Net_Socket
+ */
require_once 'PEAR.php';
-/**
- * Generalized Socket class. More docs to be written.
- *
- * @version 1.0
- * @author Stig Bakken <ssb@php.net>
- * @author Chuck Hagenbuch <chuck@horde.org>
- */
-class Net_Socket extends PEAR {
- // {{{ properties
+define('NET_SOCKET_READ', 1);
+define('NET_SOCKET_WRITE', 2);
+define('NET_SOCKET_ERROR', 4);
- /** Socket file pointer. */
+/**
+ * Generalized Socket class.
+ *
+ * @category Net
+ * @package Net_Socket
+ * @author Stig Bakken <ssb@php.net>
+ * @author Chuck Hagenbuch <chuck@horde.org>
+ * @copyright 1997-2003 The PHP Group
+ * @license http://www.php.net/license/2_02.txt PHP 2.02
+ * @link http://pear.php.net/packages/Net_Socket
+ */
+class Net_Socket extends PEAR
+{
+ /**
+ * Socket file pointer.
+ * @var resource $fp
+ */
var $fp = null;
- /** Whether the socket is blocking. */
+ /**
+ * Whether the socket is blocking. Defaults to true.
+ * @var boolean $blocking
+ */
var $blocking = true;
- /** Whether the socket is persistent. */
+ /**
+ * Whether the socket is persistent. Defaults to false.
+ * @var boolean $persistent
+ */
var $persistent = false;
- /** The IP address to connect to. */
+ /**
+ * The IP address to connect to.
+ * @var string $addr
+ */
var $addr = '';
- /** The port number to connect to. */
+ /**
+ * The port number to connect to.
+ * @var integer $port
+ */
var $port = 0;
- /** Number of seconds to wait on socket connections before
- assuming there's no more data. */
- var $timeout = false;
-
- /** Number of bytes to read at a time in readLine() and
- readAll(). */
- var $lineLength = 2048;
- // }}}
-
- // {{{ constructor
/**
- * Constructs a new Net_Socket object.
- *
- * @access public
+ * Number of seconds to wait on socket operations before assuming
+ * there's no more data. Defaults to no timeout.
+ * @var integer|float $timeout
*/
- function Net_Socket()
- {
- $this->PEAR();
- }
- // }}}
+ var $timeout = null;
- // {{{ connect()
+ /**
+ * Number of bytes to read at a time in readLine() and
+ * readAll(). Defaults to 2048.
+ * @var integer $lineLength
+ */
+ var $lineLength = 2048;
+
+ /**
+ * The string to use as a newline terminator. Usually "\r\n" or "\n".
+ * @var string $newline
+ */
+ var $newline = "\r\n";
+
/**
* Connect to the specified port. If called when the socket is
* already connected, it disconnects and connects again.
*
- * @param $addr string IP address or host name
- * @param $port int TCP port number
- * @param $persistent bool (optional) whether the connection is
- * persistent (kept open between requests by the web server)
- * @param $timeout int (optional) how long to wait for data
- * @param $options array see options for stream_context_create
+ * @param string $addr IP address or host name (may be with protocol prefix).
+ * @param integer $port TCP port number.
+ * @param boolean $persistent (optional) Whether the connection is
+ * persistent (kept open between requests
+ * by the web server).
+ * @param integer $timeout (optional) Connection socket timeout.
+ * @param array $options See options for stream_context_create.
+ *
* @access public
- * @return mixed true on success or error object
+ *
+ * @return boolean|PEAR_Error True on success or a PEAR_Error on failure.
*/
- function connect($addr, $port, $persistent = null, $timeout = null, $options = null)
+ function connect($addr, $port = 0, $persistent = null,
+ $timeout = null, $options = null)
{
if (is_resource($this->fp)) {
@fclose($this->fp);
$this->fp = null;
}
- if (strspn($addr, '.0123456789') == strlen($addr)) {
- $this->addr = $addr;
+ if (!$addr) {
+ return $this->raiseError('$addr cannot be empty');
+ } else if (strspn($addr, ':.0123456789') == strlen($addr)) {
+ $this->addr = strpos($addr, ':') !== false ? '['.$addr.']' : $addr;
} else {
- $this->addr = gethostbyname($addr);
+ $this->addr = $addr;
}
+
$this->port = $port % 65536;
+
if ($persistent !== null) {
$this->persistent = $persistent;
}
- if ($timeout !== null) {
- $this->timeout = $timeout;
- }
+
$openfunc = $this->persistent ? 'pfsockopen' : 'fsockopen';
- $errno = 0;
- $errstr = '';
+ $errno = 0;
+ $errstr = '';
+
+ $old_track_errors = @ini_set('track_errors', 1);
+
+ if ($timeout <= 0) {
+ $timeout = @ini_get('default_socket_timeout');
+ }
+
if ($options && function_exists('stream_context_create')) {
- if ($this->timeout) {
- $timeout = $this->timeout;
- } else {
- $timeout = 0;
- }
$context = stream_context_create($options);
- $fp = $openfunc($this->addr, $this->port, $errno, $errstr, $timeout, $context);
- } else {
- if ($this->timeout) {
- $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $this->timeout);
+
+ // Since PHP 5 fsockopen doesn't allow context specification
+ if (function_exists('stream_socket_client')) {
+ $flags = STREAM_CLIENT_CONNECT;
+
+ if ($this->persistent) {
+ $flags = STREAM_CLIENT_PERSISTENT;
+ }
+
+ $addr = $this->addr . ':' . $this->port;
+ $fp = stream_socket_client($addr, $errno, $errstr,
+ $timeout, $flags, $context);
} else {
- $fp = @$openfunc($this->addr, $this->port, $errno, $errstr);
+ $fp = @$openfunc($this->addr, $this->port, $errno,
+ $errstr, $timeout, $context);
}
+ } else {
+ $fp = @$openfunc($this->addr, $this->port, $errno, $errstr, $timeout);
}
if (!$fp) {
+ if ($errno == 0 && !strlen($errstr) && isset($php_errormsg)) {
+ $errstr = $php_errormsg;
+ }
+ @ini_set('track_errors', $old_track_errors);
return $this->raiseError($errstr, $errno);
}
+ @ini_set('track_errors', $old_track_errors);
$this->fp = $fp;
-
+ $this->setTimeout();
return $this->setBlocking($this->blocking);
}
- // }}}
- // {{{ disconnect()
/**
* Disconnects from the peer, closes the socket.
*
* @access public
- * @return mixed true on success or an error object otherwise
+ * @return mixed true on success or a PEAR_Error instance otherwise
*/
function disconnect()
{
- if (is_resource($this->fp)) {
- fclose($this->fp);
- $this->fp = null;
- return true;
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ isBlocking()
+ @fclose($this->fp);
+ $this->fp = null;
+ return true;
+ }
+
+ /**
+ * Set the newline character/sequence to use.
+ *
+ * @param string $newline Newline character(s)
+ * @return boolean True
+ */
+ function setNewline($newline)
+ {
+ $this->newline = $newline;
+ return true;
+ }
+
/**
* Find out if the socket is in blocking mode.
*
* @access public
- * @return bool the current blocking mode.
+ * @return boolean The current blocking mode.
*/
function isBlocking()
{
return $this->blocking;
}
- // }}}
- // {{{ setBlocking()
/**
* Sets whether the socket connection should be blocking or
* not. A read call to a non-blocking socket will return immediately
* if there is no data available, whereas it will block until there
* is data for blocking sockets.
*
- * @param $mode bool true for blocking sockets, false for nonblocking
+ * @param boolean $mode True for blocking sockets, false for nonblocking.
+ *
* @access public
- * @return mixed true on success or an error object otherwise
+ * @return mixed true on success or a PEAR_Error instance otherwise
*/
function setBlocking($mode)
{
- if (is_resource($this->fp)) {
- $this->blocking = $mode;
- socket_set_blocking($this->fp, $this->blocking);
- return true;
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ setTimeout()
+ $this->blocking = $mode;
+ stream_set_blocking($this->fp, (int)$this->blocking);
+ return true;
+ }
+
/**
* Sets the timeout value on socket descriptor,
* expressed in the sum of seconds and microseconds
*
- * @param $seconds int seconds
- * @param $microseconds int microseconds
+ * @param integer $seconds Seconds.
+ * @param integer $microseconds Microseconds, optional.
+ *
* @access public
- * @return mixed true on success or an error object otherwise
+ * @return mixed True on success or false on failure or
+ * a PEAR_Error instance when not connected
*/
- function setTimeout($seconds, $microseconds)
+ function setTimeout($seconds = null, $microseconds = null)
{
- if (is_resource($this->fp)) {
- socket_set_timeout($this->fp, $seconds, $microseconds);
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
+ }
+
+ if ($seconds === null && $microseconds === null) {
+ $seconds = (int) $this->timeout;
+ $microseconds = (int) (($this->timeout - $seconds) * 1000000);
+ } else {
+ $this->timeout = $seconds + $microseconds/1000000;
+ }
+
+ if ($this->timeout > 0) {
+ return stream_set_timeout($this->fp, (int) $seconds, (int) $microseconds);
+ }
+ else {
+ return false;
+ }
+ }
+
+ /**
+ * Sets the file buffering size on the stream.
+ * See php's stream_set_write_buffer for more information.
+ *
+ * @param integer $size Write buffer size.
+ *
+ * @access public
+ * @return mixed on success or an PEAR_Error object otherwise
+ */
+ function setWriteBuffer($size)
+ {
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
+ }
+
+ $returned = stream_set_write_buffer($this->fp, $size);
+ if ($returned == 0) {
return true;
}
- return $this->raiseError("not connected");
+ return $this->raiseError('Cannot set write buffer.');
}
- // }}}
- // {{{ getStatus()
/**
* Returns information about an existing socket resource.
* Currently returns four entries in the result array:
@@ -216,101 +307,163 @@
* </p>
*
* @access public
- * @return mixed Array containing information about existing socket resource or an error object otherwise
+ * @return mixed Array containing information about existing socket
+ * resource or a PEAR_Error instance otherwise
*/
function getStatus()
{
- if (is_resource($this->fp)) {
- return socket_get_status($this->fp);
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ gets()
+ return stream_get_meta_data($this->fp);
+ }
+
/**
* Get a specified line of data
*
+ * @param int $size Reading ends when size - 1 bytes have been read,
+ * or a newline or an EOF (whichever comes first).
+ * If no size is specified, it will keep reading from
+ * the stream until it reaches the end of the line.
+ *
* @access public
- * @return $size bytes of data from the socket, or a PEAR_Error if
- * not connected.
+ * @return mixed $size bytes of data from the socket, or a PEAR_Error if
+ * not connected. If an error occurs, FALSE is returned.
*/
- function gets($size)
+ function gets($size = null)
{
- if (is_resource($this->fp)) {
- return fgets($this->fp, $size);
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ read()
+ if (is_null($size)) {
+ return @fgets($this->fp);
+ } else {
+ return @fgets($this->fp, $size);
+ }
+ }
+
/**
* Read a specified amount of data. This is guaranteed to return,
* and has the added benefit of getting everything in one fread()
* chunk; if you know the size of the data you're getting
* beforehand, this is definitely the way to go.
*
- * @param $size The number of bytes to read from the socket.
+ * @param integer $size The number of bytes to read from the socket.
+ *
* @access public
* @return $size bytes of data from the socket, or a PEAR_Error if
* not connected.
*/
function read($size)
{
- if (is_resource($this->fp)) {
- return fread($this->fp, $size);
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ write()
+ return @fread($this->fp, $size);
+ }
+
/**
* Write a specified amount of data.
*
- * @access public
- * @return mixed true on success or an error object otherwise
- */
- function write($data)
- {
- if (is_resource($this->fp)) {
- return fwrite($this->fp, $data);
- }
- return $this->raiseError("not connected");
- }
- // }}}
-
- // {{{ writeLine()
- /**
- * Write a line of data to the socket, followed by a trailing "\r\n".
+ * @param string $data Data to write.
+ * @param integer $blocksize Amount of data to write at once.
+ * NULL means all at once.
*
* @access public
- * @return mixed fputs result, or an error
+ * @return mixed If the socket is not connected, returns an instance of
+ * PEAR_Error.
+ * If the write succeeds, returns the number of bytes written.
+ * If the write fails, returns false.
+ * If the socket times out, returns an instance of PEAR_Error.
*/
- function writeLine ($data)
+ function write($data, $blocksize = null)
{
- if (is_resource($this->fp)) {
- return $this->write($data . "\r\n");
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ eof()
+ if (is_null($blocksize) && !OS_WINDOWS) {
+ $written = @fwrite($this->fp, $data);
+
+ // Check for timeout or lost connection
+ if (!$written) {
+ $meta_data = $this->getStatus();
+
+ if (!is_array($meta_data)) {
+ return $meta_data; // PEAR_Error
+ }
+
+ if (!empty($meta_data['timed_out'])) {
+ return $this->raiseError('timed out');
+ }
+ }
+
+ return $written;
+ } else {
+ if (is_null($blocksize)) {
+ $blocksize = 1024;
+ }
+
+ $pos = 0;
+ $size = strlen($data);
+ while ($pos < $size) {
+ $written = @fwrite($this->fp, substr($data, $pos, $blocksize));
+
+ // Check for timeout or lost connection
+ if (!$written) {
+ $meta_data = $this->getStatus();
+
+ if (!is_array($meta_data)) {
+ return $meta_data; // PEAR_Error
+ }
+
+ if (!empty($meta_data['timed_out'])) {
+ return $this->raiseError('timed out');
+ }
+
+ return $written;
+ }
+
+ $pos += $written;
+ }
+
+ return $pos;
+ }
+ }
+
/**
- * Tests for end-of-file on a socket descriptor
+ * Write a line of data to the socket, followed by a trailing newline.
+ *
+ * @param string $data Data to write
+ *
+ * @access public
+ * @return mixed fwrite() result, or PEAR_Error when not connected
+ */
+ function writeLine($data)
+ {
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
+ }
+
+ return fwrite($this->fp, $data . $this->newline);
+ }
+
+ /**
+ * Tests for end-of-file on a socket descriptor.
+ *
+ * Also returns true if the socket is disconnected.
*
* @access public
* @return bool
*/
function eof()
{
- return (is_resource($this->fp) && feof($this->fp));
+ return (!is_resource($this->fp) || feof($this->fp));
}
- // }}}
- // {{{ readByte()
/**
* Reads a byte of data
*
@@ -320,14 +473,13 @@
*/
function readByte()
{
- if (is_resource($this->fp)) {
- return ord($this->read(1));
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readWord()
+ return ord(@fread($this->fp, 1));
+ }
+
/**
* Reads a word of data
*
@@ -337,36 +489,34 @@
*/
function readWord()
{
- if (is_resource($this->fp)) {
- $buf = $this->read(2);
- return (ord($buf[0]) + (ord($buf[1]) << 8));
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readInt()
+ $buf = @fread($this->fp, 2);
+ return (ord($buf[0]) + (ord($buf[1]) << 8));
+ }
+
/**
* Reads an int of data
*
* @access public
- * @return 1 int of data from the socket, or a PEAR_Error if
- * not connected.
+ * @return integer 1 int of data from the socket, or a PEAR_Error if
+ * not connected.
*/
function readInt()
{
- if (is_resource($this->fp)) {
- $buf = $this->read(4);
- return (ord($buf[0]) + (ord($buf[1]) << 8) +
- (ord($buf[2]) << 16) + (ord($buf[3]) << 24));
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readString()
+ $buf = @fread($this->fp, 4);
+ return (ord($buf[0]) + (ord($buf[1]) << 8) +
+ (ord($buf[2]) << 16) + (ord($buf[3]) << 24));
+ }
+
/**
- * Reads a zeroterminated string of data
+ * Reads a zero-terminated string of data
*
* @access public
* @return string, or a PEAR_Error if
@@ -374,37 +524,35 @@
*/
function readString()
{
- if (is_resource($this->fp)) {
- $string = '';
- while (($char = $this->read(1)) != "\x00") {
- $string .= $char;
- }
- return $string;
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readIPAddress()
+ $string = '';
+ while (($char = @fread($this->fp, 1)) != "\x00") {
+ $string .= $char;
+ }
+ return $string;
+ }
+
/**
- * Reads an IP Address and returns it in a dot formated string
+ * Reads an IP Address and returns it in a dot formatted string
*
* @access public
- * @return Dot formated string, or a PEAR_Error if
+ * @return Dot formatted string, or a PEAR_Error if
* not connected.
*/
function readIPAddress()
{
- if (is_resource($this->fp)) {
- $buf = $this->read(4);
- return sprintf("%s.%s.%s.%s", ord($buf[0]), ord($buf[1]),
- ord($buf[2]), ord($buf[3]));
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readLine()
+ $buf = @fread($this->fp, 4);
+ return sprintf('%d.%d.%d.%d', ord($buf[0]), ord($buf[1]),
+ ord($buf[2]), ord($buf[3]));
+ }
+
/**
* Read until either the end of the socket or a newline, whichever
* comes first. Strips the trailing newline from the returned data.
@@ -416,41 +564,123 @@
*/
function readLine()
{
- if (is_resource($this->fp)) {
- $line = '';
- $timeout = time() + $this->timeout;
- while (!$this->eof() && (!$this->timeout || time() < $timeout)) {
- $line .= $this->gets($this->lineLength);
- if (substr($line, -2) == "\r\n" ||
- substr($line, -1) == "\n") {
- return rtrim($line, "\r\n");
- }
- }
- return $line;
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
- }
- // }}}
- // {{{ readAll()
+ $line = '';
+
+ $timeout = time() + $this->timeout;
+
+ while (!feof($this->fp) && (!$this->timeout || time() < $timeout)) {
+ $line .= @fgets($this->fp, $this->lineLength);
+ if (substr($line, -1) == "\n") {
+ return rtrim($line, $this->newline);
+ }
+ }
+ return $line;
+ }
+
/**
- * Read until the socket closes. THIS FUNCTION WILL NOT EXIT if the
- * socket is in blocking mode until the socket closes.
+ * Read until the socket closes, or until there is no more data in
+ * the inner PHP buffer. If the inner buffer is empty, in blocking
+ * mode we wait for at least 1 byte of data. Therefore, in
+ * blocking mode, if there is no data at all to be read, this
+ * function will never exit (unless the socket is closed on the
+ * remote end).
*
* @access public
- * @return All data until the socket closes, or a PEAR_Error if
- * not connected.
+ *
+ * @return string All data until the socket closes, or a PEAR_Error if
+ * not connected.
*/
function readAll()
{
- if (is_resource($this->fp)) {
- $data = '';
- while (!$this->eof())
- $data .= $this->read($this->lineLength);
- return $data;
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
}
- return $this->raiseError("not connected");
+
+ $data = '';
+ while (!feof($this->fp)) {
+ $data .= @fread($this->fp, $this->lineLength);
+ }
+ return $data;
}
- // }}}
+
+ /**
+ * Runs the equivalent of the select() system call on the socket
+ * with a timeout specified by tv_sec and tv_usec.
+ *
+ * @param integer $state Which of read/write/error to check for.
+ * @param integer $tv_sec Number of seconds for timeout.
+ * @param integer $tv_usec Number of microseconds for timeout.
+ *
+ * @access public
+ * @return False if select fails, integer describing which of read/write/error
+ * are ready, or PEAR_Error if not connected.
+ */
+ function select($state, $tv_sec, $tv_usec = 0)
+ {
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
+ }
+
+ $read = null;
+ $write = null;
+ $except = null;
+ if ($state & NET_SOCKET_READ) {
+ $read[] = $this->fp;
+ }
+ if ($state & NET_SOCKET_WRITE) {
+ $write[] = $this->fp;
+ }
+ if ($state & NET_SOCKET_ERROR) {
+ $except[] = $this->fp;
+ }
+ if (false === ($sr = stream_select($read, $write, $except,
+ $tv_sec, $tv_usec))) {
+ return false;
+ }
+
+ $result = 0;
+ if (count($read)) {
+ $result |= NET_SOCKET_READ;
+ }
+ if (count($write)) {
+ $result |= NET_SOCKET_WRITE;
+ }
+ if (count($except)) {
+ $result |= NET_SOCKET_ERROR;
+ }
+ return $result;
+ }
+
+ /**
+ * Turns encryption on/off on a connected socket.
+ *
+ * @param bool $enabled Set this parameter to true to enable encryption
+ * and false to disable encryption.
+ * @param integer $type Type of encryption. See stream_socket_enable_crypto()
+ * for values.
+ *
+ * @see http://se.php.net/manual/en/function.stream-socket-enable-crypto.php
+ * @access public
+ * @return false on error, true on success and 0 if there isn't enough data
+ * and the user should try again (non-blocking sockets only).
+ * A PEAR_Error object is returned if the socket is not
+ * connected
+ */
+ function enableCrypto($enabled, $type)
+ {
+ if (version_compare(phpversion(), "5.1.0", ">=")) {
+ if (!is_resource($this->fp)) {
+ return $this->raiseError('not connected');
+ }
+ return @stream_socket_enable_crypto($this->fp, $enabled, $type);
+ } else {
+ $msg = 'Net_Socket::enableCrypto() requires php version >= 5.1.0';
+ return $this->raiseError($msg);
+ }
+ }
}
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