/**
* Parse binary data
*
* @param string $binaryData The binary data
*/
public function parseBinary($binaryData)
{
if (!is_null($binaryData) && Util::binaryLength($binaryData) >= TAC_AUTHEN_REPLY_FIXED_FIELDS_SIZE) {
$reply = unpack('C1status/C1flags/n1server_msgLenght/n1dataLenght', $binaryData);
$this->status = $reply['status'];
$this->flags = $reply['flags'];
$this->msgLenght = $reply['server_msgLenght'];
$this->dataLenght = $reply['dataLenght'];
$checkLen = TAC_AUTHEN_REPLY_FIXED_FIELDS_SIZE + $this->msgLenght + $this->dataLenght;
if (Util::binaryLength($binaryData) == $checkLen) {
$unpackMask = 'a' . TAC_AUTHEN_REPLY_FIXED_FIELDS_SIZE . 'header';
if ($this->msgLenght > 0) {
$unpackMask .= '/a' . $this->msgLenght . 'msg';
}
if ($this->dataLenght > 0) {
$unpackMask .= '/a' . $this->dataLenght . 'data';
}
$unpack = unpack($unpackMask, $binaryData);
if ($this->msgLenght > 0) {
$this->msg = $unpack['msg'];
}
if ($this->dataLenght > 0) {
$this->data = $unpack['data'];
}
}
}
}
/**
* Returns the binary representation
*
* @return string
*/
public function toBinary()
{
$bin = pack('CCCCCCCC', $this->action, $this->privilegeLevel, $this->authenticationType, $this->service, Util::binaryLength($this->user), Util::binaryLength($this->port), Util::binaryLength($this->remoteAddress), Util::binaryLength($this->data));
if (Util::binaryLength($this->user) > 0) {
$bin .= pack('a*', $this->user);
}
if (Util::binaryLength($this->port) > 0) {
$bin .= pack('a*', $this->port);
}
if (Util::binaryLength($this->remoteAddress) > 0) {
$bin .= pack('a*', $this->remoteAddress);
}
if (Util::binaryLength($this->data) > 0) {
$bin .= pack('a*', $this->data);
}
return $bin;
}
/**
* Send
*
* @param Packet $packet The packet
*
* @return void
*/
protected function send($packet)
{
$this->log("Sending TACACS+ message... ");
$data = $packet->toBinary();
@socket_write($this->socket, $data, Util::binaryLength($data));
$this->log("DONE (wrote " . Util::binaryLength($data) . " bytes)!");
$unpackMask = 'H' . TAC_PLUS_HDR_SIZE . 'header/H*body';
$unpack = unpack($unpackMask, $data);
$unpackHeader = $unpack['header'];
$unpackBody = $unpack['body'];
$this->log("SENT: " . implode($unpack));
$this->log("SENT (Header): " . $unpackHeader);
$this->log("SENT (Body): " . $unpackBody);
}
