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Fix regex

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Signed-off-by: yubiuser <ckoenig@posteo.de>
This commit is contained in:
yubiuser
2021-09-21 19:59:24 +02:00
parent 2d41191ac3
commit 7f13dda4a8
1 changed files with 2 additions and 2 deletions
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4
scripts/pi-hole/php/func.php
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@@ -55,14 +55,14 @@ function validCIDRIP($address){
// One IPv6 element is 16bit: 0000 - FFFF
$v6elem = "[0-9A-Fa-f]{1,4}";
// dnsmasq allows arbitrary prefix-length since https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=35f93081dc9a52e64ac3b7196ad1f5c1106f8932
$v6cidr = "([1-128])";
$v6cidr = "([1-9]|[1-9][0-9]|1[01][0-9]|12[0-8])";
$validator = "/^(((?:$v6elem))((?::$v6elem))*::((?:$v6elem))((?::$v6elem))*|((?:$v6elem))((?::$v6elem)){7})\/$v6cidr$/";
return preg_match($validator, $address);
} else {
// One IPv4 element is 8bit: 0 - 256
$v4elem = "(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]?|0)";
// dnsmasq allows arbitrary prefix-length
$allowedv4cidr = "([1-32])";
$allowedv4cidr = "(([1-9]|[12][0-9]|3[0-2]))";
$validator = "/^$v4elem\.$v4elem\.$v4elem\.$v4elem\/$allowedv4cidr$/";
return preg_match($validator, $address);
}