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antiaginglove@216.73.216.231: ~ $ 
<?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\Message;
use Badcow\DNS\Validator;

/**
 * {@link https://tools.ietf.org/html/rfc4701}.
 */
class DHCID implements RdataInterface
{
    use RdataTrait;

    public const TYPE = 'DHCID';
    public const TYPE_CODE = 49;

    /**
     * 16-bit DHCID RR Identifier Type Code specifies what data from the DHCP
     * client's request was used as input into the hash function.
     *
     * @var int
     */
    private $identifierType;

    /**
     * The 1-octet 'htype' followed by 'hlen' octets of 'chaddr' from a DHCPv4
     * client's DHCPREQUEST.
     *
     * The data octets (i.e., the Type and Client-Identifier fields) from a
     * DHCPv4 client's Client Identifier option.
     *
     * The client's DUID (i.e., the data octets of a DHCPv6 client's Client
     * Identifier option or the DUID field from a DHCPv4 client's Client
     * Identifier option).
     *
     * @var string
     */
    private $identifier;

    /**
     * Hardware Type {@link https://tools.ietf.org/html/rfc2131}.
     *
     * @var int Hardware type used if identifier is DHCPv4 DHCPREQUEST carrying client hardware address (chaddr or MAC)
     */
    private $htype = 1;

    /**
     * The Fully Qualified Domain Name of the DHCP client.
     *
     * @var string
     */
    private $fqdn;

    /**
     * The digest type. Only one type is defined by IANA, SHA256 with value 1.
     *
     * @var int
     */
    private $digestType = 1;

    /**
     * The digest. This is calculated from the other parameters. Stored in raw binary.
     *
     * @var string
     */
    private $digest;

    public function setIdentifierType(int $identifierType): void
    {
        if (!Validator::isUnsignedInteger($identifierType, 16)) {
            throw new \InvalidArgumentException('Identifier type must be a 16-bit integer.');
        }
        $this->identifierType = $identifierType;
    }

    public function getIdentifierType(): int
    {
        return $this->identifierType;
    }

    public function getIdentifier(): string
    {
        return $this->identifier;
    }

    public function getHtype(): int
    {
        return $this->htype;
    }

    public function setHtype(int $htype): void
    {
        if (!Validator::isUnsignedInteger($htype, 8)) {
            throw new \InvalidArgumentException('HType must be an 8-bit integer.');
        }
        $this->htype = $htype;
    }

    /**
     * @throws \InvalidArgumentException
     */
    public function setIdentifier(int $identifierType, string $identifier): void
    {
        $this->setIdentifierType($identifierType);
        $this->identifier = $identifier;
    }

    public function getFqdn(): string
    {
        return $this->fqdn;
    }

    public function setFqdn(string $fqdn): void
    {
        if (!Validator::fullyQualifiedDomainName($fqdn)) {
            throw new \InvalidArgumentException(sprintf('"%s" is not a fully qualified domain name.', $fqdn));
        }
        $this->fqdn = $fqdn;
    }

    public function getDigestType(): int
    {
        return $this->digestType;
    }

    public function setDigestType(int $digestType): void
    {
        $this->digestType = $digestType;
    }

    /**
     * @return string Digest in raw binary
     */
    public function getDigest(): string
    {
        return $this->digest;
    }

    /**
     * @param string $digest Digest as raw binary
     */
    public function setDigest(string $digest): void
    {
        $this->digest = $digest;
    }

    /**
     * Calculate the digest from the identifier and fully qualified domain name already set on the object.
     *
     * @throws \BadMethodCallException
     */
    public function calculateDigest(): void
    {
        if (null === $this->identifier || null === $this->fqdn) {
            throw new \BadMethodCallException('Identifier and Fully Qualified Domain Name (FQDN) must both be set on DHCID object before calling calculateDigest().');
        }

        $fqdn = Message::encodeName($this->fqdn);
        $identifier = pack('H*', str_replace(':', '', strtolower($this->identifier)));
        if (0 === $this->identifierType) {
            $identifier = chr($this->htype).$identifier;
        }

        $this->digest = hash('sha256', $identifier.$fqdn, true);
    }

    /**
     * @throws \BadMethodCallException
     */
    public function toText(): string
    {
        return base64_encode($this->toWire());
    }

    public function toWire(): string
    {
        if (null === $this->digest) {
            $this->calculateDigest();
        }

        return pack('nC', $this->identifierType, $this->digestType).$this->digest;
    }

    /**
     * @throws \Exception
     */
    public function fromText(string $text): void
    {
        if (false === $decoded = base64_decode($text, true)) {
            throw new \Exception(sprintf('Unable to base64 decode text "%s".', $text));
        }

        $this->fromWire($decoded);
    }

    public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void
    {
        $rdLength = $rdLength ?? strlen($rdata);
        if (false === $integers = unpack('nIdentifierType/CDigestType', $rdata, $offset)) {
            throw new DecodeException(static::TYPE, $rdata);
        }

        $this->setIdentifierType((int) $integers['IdentifierType']);
        $this->setDigestType((int) $integers['DigestType']);
        $this->setDigest(substr($rdata, $offset + 3, $rdLength - 3));

        $offset += $rdLength;
    }
}

Filemanager

DIR : / usr/ local/ jetapps/ var/ lib/ 3rdparty/ Badcow/ DNS/ Rdata/
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