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Merge branch '1.0' into 2.0

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This commit is contained in:
terrafrost 2018-10-06 01:19:33 -05:00
commit 0a379a5386
1 changed files with 69 additions and 0 deletions
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69
phpseclib/Net/SSH2.php
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@ -926,6 +926,14 @@ class SSH2
*/
var $preferred_signature_format = false;
/**
* Authentication Credentials
*
* @var array
* @access private
*/
var $auth = array();
/**
* Default Constructor.
*
@ -2124,6 +2132,7 @@ class SSH2
function login($username)
{
$args = func_get_args();
$this->auth[] = $args;
return call_user_func_array(array(&$this, '_login'), $args);
}
@ -3236,6 +3245,66 @@ class SSH2
return (bool) ($this->bitmap & self::MASK_LOGIN);
}
/**
* Pings a server connection, or tries to reconnect if the connection has gone down
*
* Inspired by http://php.net/manual/en/mysqli.ping.php
*
* @return bool
* @access public
*/
function ping()
{
if (!$this->isAuthenticated()) {
return false;
}
$this->window_size_server_to_client[NET_SSH2_CHANNEL_KEEP_ALIVE] = $this->window_size;
$packet_size = 0x4000;
$packet = pack(
'CNa*N3',
NET_SSH2_MSG_CHANNEL_OPEN,
strlen('session'),
'session',
NET_SSH2_CHANNEL_KEEP_ALIVE,
$this->window_size_server_to_client[NET_SSH2_CHANNEL_KEEP_ALIVE],
$packet_size
);
if (!@$this->_send_binary_packet($packet)) {
return $this->_reconnect();
}
$this->channel_status[NET_SSH2_CHANNEL_KEEP_ALIVE] = NET_SSH2_MSG_CHANNEL_OPEN;
$response = @$this->_get_channel_packet(NET_SSH2_CHANNEL_KEEP_ALIVE);
if ($response !== false) {
$this->_close_channel(NET_SSH2_CHANNEL_KEEP_ALIVE);
return true;
}
return $this->_reconnect();
}
/**
* In situ reconnect method
*
* @return boolean
* @access private
*/
function _reconnect()
{
$this->_reset_connection(NET_SSH2_DISCONNECT_CONNECTION_LOST);
$this->retry_connect = true;
if (!$this->_connect()) {
return false;
}
foreach ($this->auth as $auth) {
$result = call_user_func_array(array(&$this, 'parent::login'), $auth);
}
return $result;
}
/**
* Resets a connection for re-use
*