8000 [HttpFoundation] Support 0 bit netmask in IPv6 (`::/0`) by stephank · Pull Request #25330 · symfony/symfony · GitHub
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[HttpFoundation] Support 0 bit netmask in IPv6 (::/0) #25330

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[HttpFoundation] Support 0 bit netmask in IPv6 (::/0) #25330

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da31949
Add tests for IPv6 netmask with 0 bits masked
Dec 5, 2017
c5142e4
Add support for IPv6 netmask with 0 bits masked
Dec 5, 2017
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Add support for IPv6 netmask with 0 bits masked
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Stéphan Kochen committed Dec 5, 2017
commit c5142e4f80514fb3a151b9540ae4d4233927be23
4 changes: 4 additions & 0 deletions src/Symfony/Component/HttpFoundation/IpUtils.php
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Expand Up @@ -123,6 +123,10 @@ public static function checkIp6($requestIp, $ip)
if (false !== strpos($ip, '/')) {
list($address, $netmask) = explode('/', $ip, 2);

if ('0' === $netmask) {
return (bool) unpack('n*', @inet_pton($address));
}

if ($netmask < 1 || $netmask > 128) {
return self::$checkedIps[$cacheKey] = false;
}
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