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Merge pull request #349 from terrafrost/ssh2-exec-callback-termination

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SSH2: make it so callback functions can make exec() return early

* terrafrost/ssh2-exec-callback-termination:
  SSH2: 0x7FFFFFFF -> $this->window_size in one more place
  SSH2: make it so callback functions can make exec() return early
This commit is contained in:
Andreas Fischer 2014-05-28 00:39:40 +02:00
commit aa5f9b77ec
1 changed files with 7 additions and 4 deletions
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11
phpseclib/Net/SSH2.php
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@ -2227,7 +2227,7 @@ class Net_SSH2
* In all likelihood, this is not a feature you want to be taking advantage of.
*
* @param String $command
* @param optional Boolean $block
* @param optional Callback $callback
* @return String
* @access public
*/
@ -2245,7 +2245,7 @@ class Net_SSH2
// be adjusted". 0x7FFFFFFF is, at 2GB, the max size. technically, it should probably be decremented, but,
// honestly, if you're transfering more than 2GB, you probably shouldn't be using phpseclib, anyway.
// see http://tools.ietf.org/html/rfc4254#section-5.2 for more info
$this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC] = 0x7FFFFFFF;
$this->window_size_server_to_client[NET_SSH2_CHANNEL_EXEC] = $this->window_size;
// 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy
// uses 0x4000, that's what will be used here, as well.
$packet_size = 0x4000;
@ -2330,7 +2330,10 @@ class Net_SSH2
return false;
default:
if (is_callable($callback)) {
call_user_func($callback, $temp);
if (call_user_func($callback, $temp) === true) {
$this->_close_channel(NET_SSH2_CHANNEL_EXEC);
return true;
}
} else {
$output.= $temp;
}
@ -2352,7 +2355,7 @@ class Net_SSH2
return true;
}
$this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL] = 0x7FFFFFFF;
$this->window_size_server_to_client[NET_SSH2_CHANNEL_SHELL] = $this->window_size;
$packet_size = 0x4000;
$packet = pack('CNa*N3',