/**
* Closes the internal GPG subprocess
*
* Closes the internal GPG subprocess. Sets the private class property
* {@link Crypt_GPG_Engine::$_process} to null.
*
* @return void
*
* @see Crypt_GPG_Engine::_openSubprocess()
* @see Crypt_GPG_Engine::$_process
*/
private function _closeSubprocess()
{
// clear PINs from environment if they were set
$_ENV['PINENTRY_USER_DATA'] = null;
if (is_resource($this->_process)) {
$this->_debug('CLOSING GPG SUBPROCESS');
// close remaining open pipes
foreach (array_keys($this->_openPipes) as $pipeNumber) {
$this->_closePipe($pipeNumber);
}
$exitCode = proc_close($this->_process);
if ($exitCode != 0) {
$this->_debug('=> subprocess returned an unexpected exit code: ' . $exitCode);
}
$this->_process = null;
$this->_pipes = array();
// close file handles before throwing an exception
if (is_resource($this->_input)) {
fclose($this->_input);
}
if (is_resource($this->_output)) {
fclose($this->_output);
}
$this->_processHandler->throwException($exitCode);
}
$this->_closeAgentLaunchProcess();
if ($this->_agentInfo !== null) {
$parts = explode(':', $this->_agentInfo, 3);
if (!empty($parts[1])) {
$this->_debug('STOPPING GPG-AGENT DAEMON');
$process = new Crypt_GPG_ProcessControl($parts[1]);
// terminate agent daemon
$process->terminate();
while ($process->isRunning()) {
usleep(10000);
// 10 ms
$process->terminate();
}
$this->_debug('GPG-AGENT DAEMON STOPPED');
}
$this->_agentInfo = null;
}
}
/**
* Closes a the internal GPG subprocess
*
* Closes the internal GPG subprocess. Sets the private class property
* {@link Crypt_GPG_Engine::$_process} to null.
*
* @return void
*
* @see Crypt_GPG_Engine::_openSubprocess()
* @see Crypt_GPG_Engine::$_process
*/
private function _closeSubprocess()
{
// clear PINs from environment if they were set
$_ENV['PINENTRY_USER_DATA'] = null;
if (is_resource($this->_process)) {
$this->_debug('CLOSING GPG SUBPROCESS');
// close remaining open pipes
foreach (array_keys($this->_openPipes) as $pipeNumber) {
$this->_closePipe($pipeNumber);
}
$exitCode = proc_close($this->_process);
if ($exitCode != 0) {
$this->_debug('=> subprocess returned an unexpected exit code: ' . $exitCode);
if ($this->_errorCode === Crypt_GPG::ERROR_NONE) {
if ($this->_needPassphrase > 0) {
$this->_errorCode = Crypt_GPG::ERROR_MISSING_PASSPHRASE;
} else {
$this->_errorCode = Crypt_GPG::ERROR_UNKNOWN;
}
}
}
$this->_process = null;
$this->_pipes = array();
}
$this->_closeAgentLaunchProcess();
if ($this->_agentInfo !== null) {
$this->_debug('STOPPING GPG-AGENT DAEMON');
$parts = explode(':', $this->_agentInfo, 3);
$pid = $parts[1];
$process = new Crypt_GPG_ProcessControl($pid);
// terminate agent daemon
$process->terminate();
while ($process->isRunning()) {
usleep(10000);
// 10 ms
$process->terminate();
}
$this->_agentInfo = null;
$this->_debug('GPG-AGENT DAEMON STOPPED');
}
}
