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<?php
declare(strict_types=1);
/*
* This file is part of Badcow DNS Library.
*
* (c) Samuel Williams <sam@badcow.co>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Badcow\DNS\Rdata;
use Badcow\DNS\Parser\Tokens;
use Badcow\DNS\Validator;
/**
* {@link https://tools.ietf.org/html/rfc5155#section-4}.
*/
class NSEC3PARAM implements RdataInterface
{
use RdataTrait;
public const TYPE = 'NSEC3PARAM';
public const TYPE_CODE = 51;
/**
* @var int
*/
private $hashAlgorithm;
/**
* @var int
*/
private $flags = 0;
/**
* @var int
*/
private $iterations;
/**
* @var string Binary encoded string
*/
private $salt;
public function getHashAlgorithm(): int
{
return $this->hashAlgorithm;
}
/**
* @throws \InvalidArgumentException
*/
public function setHashAlgorithm(int $hashAlgorithm): void
{
if (!Validator::isUnsignedInteger($hashAlgorithm, 8)) {
throw new \InvalidArgumentException('Hash algorithm must be 8-bit integer.');
}
$this->hashAlgorithm = $hashAlgorithm;
}
public function getFlags(): int
{
return $this->flags;
}
/**
* @throws \InvalidArgumentException
*/
public function setFlags(int $flags): void
{
if (!Validator::isUnsignedInteger($flags, 8)) {
throw new \InvalidArgumentException('Flags must be an 8-bit unsigned integer.');
}
$this->flags = $flags;
}
public function getIterations(): int
{
return $this->iterations;
}
public function setIterations(int $iterations): void
{
if (!Validator::isUnsignedInteger($iterations, 16)) {
throw new \InvalidArgumentException('Hash algorithm must be 16-bit integer.');
}
$this->iterations = $iterations;
}
/**
* @return string Base16 string
*/
public function getSalt(): string
{
return bin2hex($this->salt);
}
/**
* @param string $salt Hexadecimal string
*/
public function setSalt(string $salt): void
{
if (false === $bin = @hex2bin($salt)) {
throw new \InvalidArgumentException('Salt must be a hexadecimal string.');
}
$this->salt = $bin;
}
public function toText(): string
{
return sprintf('%d %d %d %s', $this->hashAlgorithm, $this->flags, $this->iterations, bin2hex($this->salt));
}
public function toWire(): string
{
return pack('CCnC', $this->hashAlgorithm, $this->flags, $this->iterations, strlen($this->salt)).$this->salt;
}
public function fromText(string $text): void
{
$rdata = explode(Tokens::SPACE, $text);
$this->setHashAlgorithm((int) array_shift($rdata));
$this->setFlags((int) array_shift($rdata));
$this->setIterations((int) array_shift($rdata));
$this->setSalt((string) array_shift($rdata));
}
public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void
{
if (false === $integers = unpack('C<algorithm>/C<flags>/n<iterations>/C<saltLen>', $rdata, $offset)) {
throw new DecodeException(static::TYPE, $rdata);
}
$saltLen = (int) $integers['<saltLen>'];
$offset += 5;
$this->setHashAlgorithm($integers['<algorithm>']);
$this->setFlags($integers['<flags>']);
$this->setIterations($integers['<iterations>']);
$saltBin = substr($rdata, $offset, $saltLen);
$this->setSalt(bin2hex($saltBin));
$offset += $saltLen;
}
}
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| A.php | File | 1.94 KB | 0644 |
|
| AAAA.php | File | 1.07 KB | 0644 |
|
| AFSDB.php | File | 2.2 KB | 0644 |
|
| APL.php | File | 4.12 KB | 0644 |
|
| CAA.php | File | 4.06 KB | 0644 |
|
| CDNSKEY.php | File | 450 B | 0644 |
|
| CDS.php | File | 431 B | 0644 |
|
| CERT.php | File | 5.49 KB | 0644 |
|
| CNAME.php | File | 1.33 KB | 0644 |
|
| CSYNC.php | File | 2.46 KB | 0644 |
|
| DHCID.php | File | 5.65 KB | 0644 |
|
| DLV.php | File | 455 B | 0644 |
|
| DNAME.php | File | 674 B | 0644 |
|
| DNSKEY.php | File | 1.02 KB | 0644 |
|
| DS.php | File | 3.93 KB | 0644 |
|
| DecodeException.php | File | 933 B | 0644 |
|
| Factory.php | File | 17.37 KB | 0644 |
|
| HINFO.php | File | 2.19 KB | 0644 |
|
| HIP.php | File | 4.4 KB | 0644 |
|
| IPSECKEY.php | File | 9.34 KB | 0644 |
|
| KEY.php | File | 3.25 KB | 0644 |
|
| KX.php | File | 2.45 KB | 0644 |
|
| LOC.php | File | 7.36 KB | 0644 |
|
| MX.php | File | 2.46 KB | 0644 |
|
| NAPTR.php | File | 7.06 KB | 0644 |
|
| NS.php | File | 442 B | 0644 |
|
| NSEC.php | File | 4.13 KB | 0644 |
|
| NSEC3.php | File | 8.09 KB | 0644 |
|
| NSEC3PARAM.php | File | 3.65 KB | 0644 |
|
| OPT.php | File | 2.79 KB | 0644 |
|
| PTR.php | File | 4.24 KB | 0644 |
|
| PolymorphicRdata.php | File | 2.02 KB | 0644 |
|
| RP.php | File | 1.82 KB | 0644 |
|
| RRSIG.php | File | 8.04 KB | 0644 |
|
| RdataInterface.php | File | 1.7 KB | 0644 |
|
| RdataTrait.php | File | 803 B | 0644 |
|
| SIG.php | File | 378 B | 0644 |
|
| SOA.php | File | 5.78 KB | 0644 |
|
| SPF.php | File | 432 B | 0644 |
|
| SRV.php | File | 4.61 KB | 0644 |
|
| SSHFP.php | File | 3.36 KB | 0644 |
|
| TA.php | File | 441 B | 0644 |
|
| TKEY.php | File | 7.41 KB | 0644 |
|
| TLSA.php | File | 4.69 KB | 0644 |
|
| TSIG.php | File | 6.5 KB | 0644 |
|
| TXT.php | File | 3.44 KB | 0644 |
|
| Types.php | File | 10.33 KB | 0644 |
|
| URI.php | File | 3.67 KB | 0644 |
|
| UnknownType.php | File | 2.2 KB | 0644 |
|
| UnsupportedTypeException.php | File | 477 B | 0644 |
|