Parser::ptrHandler() - Code Metrics - Inspection of "Resolves issue #72" - Badcow/DNS - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#73)

unknown

created 2020-07-20 18:36 UTC

Parser::ptrHandler() A

↳ Parent: Parser

Complexity

Conditions	4
Paths	3

Size

Total Lines	13
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	5.2596

Importance

Changes

Metric	Value
cc	4
eloc	6
c	0
b	0
f	0
nc	3
nop	1
dl	0
loc	13
ccs	4
cts	7
cp	0.5714
crap	5.2596
rs	10

<?php

declare(strict_types=1);

/*
 * This file is part of Badcow DNS Library.
 *
 * (c) Samuel Williams <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Badcow\DNS\Parser;

use Badcow\DNS\Classes;
use Badcow\DNS\Rdata\Factory;
use Badcow\DNS\Rdata\PTR;
use Badcow\DNS\Rdata\RdataInterface;
use Badcow\DNS\Rdata\Types;
use Badcow\DNS\ResourceRecord;
use Badcow\DNS\Zone;

class Parser
{
    /**
     * @var string
     */
    private $string;

    /**
     * @var Zone
     */
    private $zone;

    /**
     * Array of methods that take an ArrayIterator and return an Rdata object. The array key is the Rdata type.
     *
     * @var callable[]
     */
    private $rdataHandlers = [];

    /**
     * @var ResourceRecord
     */
    private $currentResourceRecord;

    /**
     * @var string
     */
    private $lastStatedDomain;

    /**
     * @var int
     */
    private $lastStatedTtl;

    /**
     * @var string
     */
    private $lastStatedClass;

    /**
     * Parser constructor.
     *
     * @param array $rdataHandlers
     */
    public function __construct(array $rdataHandlers = [])
    {
        $this->rdataHandlers = array_merge(
            [PTR::TYPE => [$this, 'ptrHandler']],
            $rdataHandlers
        );
    }

    /**
     * @param string $name
     * @param string $zone
     * @param int    $commentOptions
     *
     * @return Zone
     *
     * @throws ParseException
     */
    public static function parse(string $name, string $zone, int $commentOptions = Comments::NONE): Zone
    {
        return (new self())->makeZone($name, $zone, $commentOptions);
    }

    /**
     * @param string $name
     * @param string $string
     * @param int    $commentOptions
     *
     * @return Zone
     *
     * @throws ParseException
     */
    public function makeZone(string $name, string $string, int $commentOptions = Comments::NONE): Zone
    {
        $this->zone = new Zone($name);
        $this->string = Normaliser::normalise($string, $commentOptions);

        foreach (explode(Tokens::LINE_FEED, $this->string) as $line) {
            $this->processLine($line);
        }

        return $this->zone;
    }

    /**
     * @param string $line
     *
     * @throws ParseException
     */
    private function processLine(string $line): void
    {
        list($entry, $comment) = $this->extractComment($line);

        $this->currentResourceRecord = new ResourceRecord();
        $this->currentResourceRecord->setComment($comment);

        if ('' === $entry) {
            $this->zone->addResourceRecord($this->currentResourceRecord);

            return;
        }

        $iterator = new ResourceRecordIterator($entry);

        if ($this->isControlEntry($iterator)) {
            $this->processControlEntry($iterator);

            return;
        }

        $this->processEntry($iterator);
        $this->zone->addResourceRecord($this->currentResourceRecord);
    }

    /**
     * @param ResourceRecordIterator $iterator
     *
     * @throws ParseException
     */
    private function processEntry(ResourceRecordIterator $iterator): void
    {
        if ($this->isTTL($iterator)) {
            $this->currentResourceRecord->setTtl(TimeFormat::toSeconds($iterator->current()));
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isClass($iterator)) {
            $this->currentResourceRecord->setClass(strtoupper($iterator->current()));
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isResourceName($iterator) && null === $this->currentResourceRecord->getName()) {

            $this->currentResourceRecord->setName($iterator->current());
            $iterator->next();
            $this->processEntry($iterator);

            return;
        }

        if ($this->isType($iterator)) {
            $this->currentResourceRecord->setRdata($this->extractRdata($iterator));
            $this->populateWithLastStated();

            return;
        }

        throw new ParseException(sprintf('Could not parse entry "%s".', implode(' ', $iterator->getArrayCopy())));
    }

    /**
     * If no domain-name, TTL, or class is set on the record, populate object with last stated value.
     *
     * @see https://www.ietf.org/rfc/rfc1035 Section 5.1
     */
    private function populateWithLastStated(): void
    {
        if (empty($this->currentResourceRecord->getName())) {
            $this->currentResourceRecord->setName($this->lastStatedDomain);
        } else {
            $this->lastStatedDomain = $this->currentResourceRecord->getName();
        }

        if (null === $this->currentResourceRecord->getTtl()) {
            $this->currentResourceRecord->setTtl($this->lastStatedTtl ?? $this->zone->getDefaultTTl());
        } else {
            $this->lastStatedTtl = $this->currentResourceRecord->getTtl();
        }

        if (null === $this->currentResourceRecord->getClass()) {
            $this->currentResourceRecord->setClass($this->lastStatedClass);
        } else {
            $this->lastStatedClass = $this->currentResourceRecord->getClass();
        }
    }

    /**
     * Processes control entries at the top of a BIND record, i.e. $ORIGIN, $TTL, $INCLUDE, etc.
     *
     * @param ResourceRecordIterator $iterator
     */
    private function processControlEntry(ResourceRecordIterator $iterator): void
    {
        if ('$TTL' === strtoupper($iterator->current())) {
            $iterator->next();
            $this->zone->setDefaultTtl(TimeFormat::toSeconds($iterator->current()));
        }

        if ('$ORIGIN' === strtoupper($iterator->current())) {
            $iterator->next();
            $this->zone->setName((string) $iterator->current());
        }
    }

    /**
     * Determine if iterant is a resource name.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isResourceName(ResourceRecordIterator $iterator): bool
    {
        // Look ahead and determine if the next token is a TTL, Class, or valid Type.
        $iterator->next();

        if (!$iterator->valid()) {
            return false;
        }

        $isName = $this->isTTL($iterator) ||
            $this->isClass($iterator, 'DOMAIN') ||
            $this->isType($iterator);
        $iterator->prev();

        if (!$isName) {
            return false;
        }

        if (0 === $iterator->key()) {
            return true;
        }

        return false;
    }

    /**
     * Determine if iterant is a class.
     *
     * @param ResourceRecordIterator $iterator
     * @param string|null            $origin   the previously assumed resource record parameter, either 'TTL' or NULL
     *
     * @return bool
     */
    private function isClass(ResourceRecordIterator $iterator, $origin = null): bool
    {
        if (!Classes::isValid($iterator->current())) {
            return false;
        }

        $iterator->next();
        if ('TTL' === $origin) {
            $isClass = $this->isType($iterator);
        } else {
            $isClass = $this->isTTL($iterator, 'CLASS') || $this->isType($iterator);
        }
        $iterator->prev();

        return $isClass;
    }

    /**
     * Determine if current iterant is an Rdata type string.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isType(ResourceRecordIterator $iterator): bool
    {
        return Types::isValid(strtoupper($iterator->current())) || array_key_exists($iterator->current(), $this->rdataHandlers);
    }

    /**
     * Determine if iterant is a control entry such as $TTL, $ORIGIN, $INCLUDE, etcetera.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return bool
     */
    private function isControlEntry(ResourceRecordIterator $iterator): bool
    {
        return 1 === preg_match('/^\$[A-Z0-9]+/i', $iterator->current());
    }

    /**
     * Determine if the iterant is a TTL (i.e. it is an integer after domain-name).
     *
     * @param ResourceRecordIterator $iterator
     * @param string                 $origin   the previously assumed resource record parameter, either 'CLASS' or NULL
     *
     * @return bool
     */
    private function isTTL(ResourceRecordIterator $iterator, $origin = null): bool
    {
        if (!TimeFormat::isTimeFormat($iterator->current())) {
            return false;
        }

        if ($iterator->key() < 1) {
            return false;
        }
        
        $iterator->next();
        if ('CLASS' === $origin) {
            $isTtl = $this->isType($iterator);
        } else {
            $isTtl = $this->isClass($iterator, 'TTL') || $this->isType($iterator);
        }
        $iterator->prev();

        return $isTtl;
    }

    /**
     * Split a DNS zone line into a resource record and a comment.
     *
     * @param string $rr
     *
     * @return array [$entry, $comment]
     */
    private function extractComment(string $rr): array
    {
        $string = new StringIterator($rr);
        $entry = '';
        $comment = null;

        while ($string->valid()) {
            //If a semicolon is within double quotes, it will not be treated as the beginning of a comment.
            $entry .= $this->extractDoubleQuotedText($string);

            if ($string->is(Tokens::SEMICOLON)) {
                $string->next();
                $comment = $string->getRemainingAsString();

                break;
            }

            $entry .= $string->current();
            $string->next();
        }

        return [$entry, $comment];
    }

    /**
     * Extract text within double quotation context.
     *
     * @param StringIterator $string
     *
     * @return string
     */
    private function extractDoubleQuotedText(StringIterator $string): string
    {
        if ($string->isNot(Tokens::DOUBLE_QUOTES)) {
            return '';
        }

        $entry = $string->current();
        $string->next();

        while ($string->isNot(Tokens::DOUBLE_QUOTES)) {
            //If the current char is a backslash, treat the next char as being escaped.
            if ($string->is(Tokens::BACKSLASH)) {
                $entry .= $string->current();
                $string->next();
            }
            $entry .= $string->current();
            $string->next();
        }

        return $entry;
    }

    /**
     * @param ResourceRecordIterator $iterator
     *
     * @return RdataInterface
     *
     * @throws ParseException
     */
    private function extractRdata(ResourceRecordIterator $iterator): RdataInterface
    {
        $type = strtoupper($iterator->current());
        $iterator->next();

        if (array_key_exists($type, $this->rdataHandlers)) {
            return call_user_func($this->rdataHandlers[$type], $iterator);
        }

        try {
            return Factory::textToRdataType($type, $iterator->getRemainingAsString());
        } catch (\Exception $exception) {
            throw new ParseException(sprintf('Could not extract Rdata from resource record "%s".', (string) $iterator), null, $exception);
        }
    }

    /**
     * This handler addresses the special case where an integer resource name could be confused for a TTL, for instance:
     * 50 IN PTR mx1.acme.com.
     *
     * In the above, if the integer is below 256 then it is assumed to represent an octet of an IPv4 address.
     *
     * @param ResourceRecordIterator $iterator
     *
     * @return PTR
     */
    private function ptrHandler(ResourceRecordIterator $iterator): PTR
    {
        if (null === $this->currentResourceRecord->getName() && null !== $this->currentResourceRecord->getTtl()) {

            if ($this->currentResourceRecord->getTtl() < 256) {
                $this->currentResourceRecord->setName((string) $this->currentResourceRecord->getTtl());
                $this->currentResourceRecord->setTtl(null);
            }
        }

        /** @var PTR $ptr */
        $ptr = PTR::fromText($iterator->getRemainingAsString());

        return $ptr;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of Badcow DNS Library.
7		*
8		* (c) Samuel Williams <[email protected]>
9		*
10		* For the full copyright and license information, please view the LICENSE
11		* file that was distributed with this source code.
12		*/
13
14		namespace Badcow\DNS\Parser;
15
16		use Badcow\DNS\Classes;
17		use Badcow\DNS\Rdata\Factory;
18		use Badcow\DNS\Rdata\PTR;
19		use Badcow\DNS\Rdata\RdataInterface;
20		use Badcow\DNS\Rdata\Types;
21		use Badcow\DNS\ResourceRecord;
22		use Badcow\DNS\Zone;
23
24		class Parser
25		{
26		/**
27		* @var string
28		*/
29		private $string;
30
31		/**
32		* @var Zone
33		*/
34		private $zone;
35
36		/**
37		* Array of methods that take an ArrayIterator and return an Rdata object. The array key is the Rdata type.
38		*
39		* @var callable[]
40		*/
41		private $rdataHandlers = [];
42
43		/**
44		* @var ResourceRecord
45		*/
46		private $currentResourceRecord;
47
48		/**
49		* @var string
50		*/
51		private $lastStatedDomain;
52
53		/**
54		* @var int
55		*/
56		private $lastStatedTtl;
57
58		/**
59		* @var string
60		*/
61		private $lastStatedClass;
62
63		/**
64		* Parser constructor.
65		*
66		* @param array $rdataHandlers
67		*/
68	26	public function __construct(array $rdataHandlers = [])
69		{
70	26	$this->rdataHandlers = array_merge(
71	26	[PTR::TYPE => [$this, 'ptrHandler']],
72	26	$rdataHandlers
73		);
74	26	}
75
76		/**
77		* @param string $name
78		* @param string $zone
79		* @param int $commentOptions
80		*
81		* @return Zone
82		*
83		* @throws ParseException
84		*/
85	25	public static function parse(string $name, string $zone, int $commentOptions = Comments::NONE): Zone
86		{
87	25	return (new self())->makeZone($name, $zone, $commentOptions);
88		}
89
90		/**
91		* @param string $name
92		* @param string $string
93		* @param int $commentOptions
94		*
95		* @return Zone
96		*
97		* @throws ParseException
98		*/
99	26	public function makeZone(string $name, string $string, int $commentOptions = Comments::NONE): Zone
100		{
101	26	$this->zone = new Zone($name);
102	26	$this->string = Normaliser::normalise($string, $commentOptions);
103
104	26	foreach (explode(Tokens::LINE_FEED, $this->string) as $line) {
105	26	$this->processLine($line);
106		}
107
108	23	return $this->zone;
109		}
110
111		/**
112		* @param string $line
113		*
114		* @throws ParseException
115		*/
116	26	private function processLine(string $line): void
117		{
118	26	list($entry, $comment) = $this->extractComment($line);
119
120	26	$this->currentResourceRecord = new ResourceRecord();
121	26	$this->currentResourceRecord->setComment($comment);
122
123	26	if ('' === $entry) {
124	2	$this->zone->addResourceRecord($this->currentResourceRecord);
125
126	2	return;
127		}
128
129	26	$iterator = new ResourceRecordIterator($entry);
130
131	26	if ($this->isControlEntry($iterator)) {
132	11	$this->processControlEntry($iterator);
133
134	11	return;
135		}
136
137	26	$this->processEntry($iterator);
138	23	$this->zone->addResourceRecord($this->currentResourceRecord);
139	23	}
140
141		/**
142		* @param ResourceRecordIterator $iterator
143		*
144		* @throws ParseException
145		*/
146	26	private function processEntry(ResourceRecordIterator $iterator): void
147		{
148	26	if ($this->isTTL($iterator)) {
149	15	$this->currentResourceRecord->setTtl(TimeFormat::toSeconds($iterator->current()));
150	15	$iterator->next();
151	15	$this->processEntry($iterator);
152
153	13	return;
154		}
155
156	26	if ($this->isClass($iterator)) {
157	24	$this->currentResourceRecord->setClass(strtoupper($iterator->current()));
158	24	$iterator->next();
159	24	$this->processEntry($iterator);
160
161	22	return;
162		}
163
164	26	if ($this->isResourceName($iterator) && null === $this->currentResourceRecord->getName()) {
		0 ignored issues – show introduced 2019-11-28 09:22 UTC by Report Bug Copy Issue Report The condition `null === $this->currentResourceRecord->getName()` is always `false`. Loading history...
165	25	$this->currentResourceRecord->setName($iterator->current());
166	25	$iterator->next();
167	25	$this->processEntry($iterator);
168
169	23	return;
170		}
171
172	26	if ($this->isType($iterator)) {
173	25	$this->currentResourceRecord->setRdata($this->extractRdata($iterator));
174	23	$this->populateWithLastStated();
175
176	23	return;
177		}
178
179	1	throw new ParseException(sprintf('Could not parse entry "%s".', implode(' ', $iterator->getArrayCopy())));
180		}
181
182		/**
183		* If no domain-name, TTL, or class is set on the record, populate object with last stated value.
184		*
185		* @see https://www.ietf.org/rfc/rfc1035 Section 5.1
186		*/
187	23	private function populateWithLastStated(): void
188		{
189	23	if (empty($this->currentResourceRecord->getName())) {
190	3	$this->currentResourceRecord->setName($this->lastStatedDomain);
191		} else {
192	23	$this->lastStatedDomain = $this->currentResourceRecord->getName();
193		}
194
195	23	if (null === $this->currentResourceRecord->getTtl()) {
196	13	$this->currentResourceRecord->setTtl($this->lastStatedTtl ?? $this->zone->getDefaultTTl());
197		} else {
198	13	$this->lastStatedTtl = $this->currentResourceRecord->getTtl();
199		}
200
201	23	if (null === $this->currentResourceRecord->getClass()) {
202		$this->currentResourceRecord->setClass($this->lastStatedClass);
203		} else {
204	23	$this->lastStatedClass = $this->currentResourceRecord->getClass();
205		}
206	23	}
207
208		/**
209		* Processes control entries at the top of a BIND record, i.e. $ORIGIN, $TTL, $INCLUDE, etc.
210		*
211		* @param ResourceRecordIterator $iterator
212		*/
213	11	private function processControlEntry(ResourceRecordIterator $iterator): void
214		{
215	11	if ('$TTL' === strtoupper($iterator->current())) {
216	10	$iterator->next();
217	10	$this->zone->setDefaultTtl(TimeFormat::toSeconds($iterator->current()));
218		}
219
220	11	if ('$ORIGIN' === strtoupper($iterator->current())) {
221	10	$iterator->next();
222	10	$this->zone->setName((string) $iterator->current());
223		}
224	11	}
225
226		/**
227		* Determine if iterant is a resource name.
228		*
229		* @param ResourceRecordIterator $iterator
230		*
231		* @return bool
232		*/
233	26	private function isResourceName(ResourceRecordIterator $iterator): bool
234		{
235		// Look ahead and determine if the next token is a TTL, Class, or valid Type.
236	26	$iterator->next();
237
238	26	if (!$iterator->valid()) {
239		return false;
240		}
241
242	26	$isName = $this->isTTL($iterator) \|\|
243	26	$this->isClass($iterator, 'DOMAIN') \|\|
244	26	$this->isType($iterator);
245	26	$iterator->prev();
246
247	26	if (!$isName) {
248	25	return false;
249		}
250
251	25	if (0 === $iterator->key()) {
252	25	return true;
253		}
254
255	3	return false;
256		}
257
258		/**
259		* Determine if iterant is a class.
260		*
261		* @param ResourceRecordIterator $iterator
262		* @param string\|null $origin the previously assumed resource record parameter, either 'TTL' or NULL
263		*
264		* @return bool
265		*/
266	26	private function isClass(ResourceRecordIterator $iterator, $origin = null): bool
267		{
268	26	if (!Classes::isValid($iterator->current())) {
269	26	return false;
270		}
271
272	25	$iterator->next();
273	25	if ('TTL' === $origin) {
274	12	$isClass = $this->isType($iterator);
275		} else {
276	24	$isClass = $this->isTTL($iterator, 'CLASS') \|\| $this->isType($iterator);
277		}
278	25	$iterator->prev();
279
280	25	return $isClass;
281		}
282
283		/**
284		* Determine if current iterant is an Rdata type string.
285		*
286		* @param ResourceRecordIterator $iterator
287		*
288		* @return bool
289		*/
290	26	private function isType(ResourceRecordIterator $iterator): bool
291		{
292	26	return Types::isValid(strtoupper($iterator->current())) \|\| array_key_exists($iterator->current(), $this->rdataHandlers);
293		}
294
295		/**
296		* Determine if iterant is a control entry such as $TTL, $ORIGIN, $INCLUDE, etcetera.
297		*
298		* @param ResourceRecordIterator $iterator
299		*
300		* @return bool
301		*/
302	26	private function isControlEntry(ResourceRecordIterator $iterator): bool
303		{
304	26	return 1 === preg_match('/^\$[A-Z0-9]+/i', $iterator->current());
305		}
306
307		/**
308		* Determine if the iterant is a TTL (i.e. it is an integer after domain-name).
309		*
310		* @param ResourceRecordIterator $iterator
311		* @param string $origin the previously assumed resource record parameter, either 'CLASS' or NULL
312		*
313		* @return bool
314		*/
315	26	private function isTTL(ResourceRecordIterator $iterator, $origin = null): bool
316		{
317	26	if (!TimeFormat::isTimeFormat($iterator->current())) {
318	26	return false;
319		}
320
321	24	if ($iterator->key() < 1) {
322	5	return false;
323		}
324
325	24	$iterator->next();
326	24	if ('CLASS' === $origin) {
327	5	$isTtl = $this->isType($iterator);
328		} else {
329	24	$isTtl = $this->isClass($iterator, 'TTL') \|\| $this->isType($iterator);
330		}
331	24	$iterator->prev();
332
333	24	return $isTtl;
334		}
335
336		/**
337		* Split a DNS zone line into a resource record and a comment.
338		*
339		* @param string $rr
340		*
341		* @return array [$entry, $comment]
342		*/
343	26	private function extractComment(string $rr): array
344		{
345	26	$string = new StringIterator($rr);
346	26	$entry = '';
347	26	$comment = null;
348
349	26	while ($string->valid()) {
350		//If a semicolon is within double quotes, it will not be treated as the beginning of a comment.
351	26	$entry .= $this->extractDoubleQuotedText($string);
352
353	26	if ($string->is(Tokens::SEMICOLON)) {
354	4	$string->next();
355	4	$comment = $string->getRemainingAsString();
356
357	4	break;
358		}
359
360	26	$entry .= $string->current();
361	26	$string->next();
362		}
363
364	26	return [$entry, $comment];
365		}
366
367		/**
368		* Extract text within double quotation context.
369		*
370		* @param StringIterator $string
371		*
372		* @return string
373		*/
374	26	private function extractDoubleQuotedText(StringIterator $string): string
375		{
376	26	if ($string->isNot(Tokens::DOUBLE_QUOTES)) {
377	26	return '';
378		}
379
380	12	$entry = $string->current();
381	12	$string->next();
382
383	12	while ($string->isNot(Tokens::DOUBLE_QUOTES)) {
384		//If the current char is a backslash, treat the next char as being escaped.
385	12	if ($string->is(Tokens::BACKSLASH)) {
386	6	$entry .= $string->current();
387	6	$string->next();
388		}
389	12	$entry .= $string->current();
390	12	$string->next();
391		}
392
393	12	return $entry;
394		}
395
396		/**
397		* @param ResourceRecordIterator $iterator
398		*
399		* @return RdataInterface
400		*
401		* @throws ParseException
402		*/
403	25	private function extractRdata(ResourceRecordIterator $iterator): RdataInterface
404		{
405	25	$type = strtoupper($iterator->current());
406	25	$iterator->next();
407
408	25	if (array_key_exists($type, $this->rdataHandlers)) {
409	4	return call_user_func($this->rdataHandlers[$type], $iterator);
410		}
411
412		try {
413	23	return Factory::textToRdataType($type, $iterator->getRemainingAsString());
414	2	} catch (\Exception $exception) {
415	2	throw new ParseException(sprintf('Could not extract Rdata from resource record "%s".', (string) $iterator), null, $exception);
416		}
417		}
418
419		/**
420		* This handler addresses the special case where an integer resource name could be confused for a TTL, for instance:
421		* 50 IN PTR mx1.acme.com.
422		*
423		* In the above, if the integer is below 256 then it is assumed to represent an octet of an IPv4 address.
424		*
425		* @param ResourceRecordIterator $iterator
426		*
427		* @return PTR
428		*/
429	3	private function ptrHandler(ResourceRecordIterator $iterator): PTR
430		{
431	3	if (null === $this->currentResourceRecord->getName() && null !== $this->currentResourceRecord->getTtl()) {
		0 ignored issues – show introduced 2019-11-28 09:22 UTC by Report Bug Copy Issue Report The condition `null === $this->currentResourceRecord->getName()` is always `false`. Loading history...
432		if ($this->currentResourceRecord->getTtl() < 256) {
433		$this->currentResourceRecord->setName((string) $this->currentResourceRecord->getTtl());
434		$this->currentResourceRecord->setTtl(null);
435		}
436		}
437
438		/** @var PTR $ptr */
439	3	$ptr = PTR::fromText($iterator->getRemainingAsString());
440
441	3	return $ptr;
442		}
443		}
444

Badcow / DNS

Pull Request — master (#73)

Parser::ptrHandler() A

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