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Merge branch '1.0' into 2.0

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This commit is contained in:
terrafrost 2020-09-28 06:20:16 -05:00
commit e81b31948b
1 changed files with 42 additions and 2 deletions
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44
phpseclib/Net/SSH2.php
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@ -687,6 +687,14 @@ class SSH2
*/
var $curTimeout;
/**
* Keep Alive Interval
*
* @see self::setKeepAlive()
* @access private
*/
var $keepAlive;
/**
* Real-time log file pointer
*
@ -2677,6 +2685,19 @@ class SSH2
$this->timeout = $this->curTimeout = $timeout;
}
/**
* Set Keep Alive
*
* Sends an SSH2_MSG_IGNORE message every x seconds, if x is a positive non-zero number.
*
* @param mixed $timeout
* @access public
*/
function setKeepAlive($interval)
{
$this->keepAlive = $interval;
}
/**
* Get the output from stdError
*
@ -3667,8 +3688,15 @@ class SSH2
$read = array($this->fsock);
$write = $except = null;
if (!$this->curTimeout) {
@stream_select($read, $write, $except, null);
if ($this->curTimeout <= 0) {
if ($this->keepAlive <= 0) {
@stream_select($read, $write, $except, null);
} else {
if (!@stream_select($read, $write, $except, $this->keepAlive) && !count($read)) {
$this->_send_binary_packet(pack('CN', NET_SSH2_MSG_IGNORE, 0));
continue;
}
}
} else {
if ($this->curTimeout < 0) {
$this->is_timeout = true;
@ -3679,8 +3707,20 @@ class SSH2
$write = $except = null;
$start = microtime(true);
if ($this->keepAlive > 0 && $this->keepAlive < $this->curTimeout) {
if (!@stream_select($read, $write, $except, $this->keepAlive) && !count($read)) {
$this->_send_binary_packet(pack('CN', NET_SSH2_MSG_IGNORE, 0));
$elapsed = microtime(true) - $start;
$this->curTimeout-= $elapsed;
continue;
}
$elapsed = microtime(true) - $start;
$this->curTimeout-= $elapsed;
}
$sec = floor($this->curTimeout);
$usec = 1000000 * ($this->curTimeout - $sec);
// on windows this returns a "Warning: Invalid CRT parameters detected" error
if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) {
$this->is_timeout = true;