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Small fix in EPP regarding different representation of IPv6

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Pinga 2024-07-30 11:15:04 +03:00
parent 5c6ff7f087
commit ea6a79b5c5
2 changed files with 30 additions and 0 deletions
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27
epp/src/helpers.php
View file

@ -616,3 +616,30 @@ function generateAuthInfo(): string {
return $retVal;
}
function isIPv6($ip) {
// Validate if the IP is in IPv6 format
return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
}
function expandIPv6($ip) {
if (strpos($ip, '::') !== false) {
// Split the IP by '::'
$parts = explode('::', $ip);
$left = explode(':', $parts[0]);
$right = isset($parts[1]) ? explode(':', $parts[1]) : [];
// Calculate the number of missing groups and fill them with '0000'
$fill = array_fill(0, 8 - (count($left) + count($right)), '0000');
$expanded = array_merge($left, $fill, $right);
} else {
$expanded = explode(':', $ip);
}
// Ensure each block is four characters
foreach ($expanded as &$block) {
$block = str_pad($block, 4, '0', STR_PAD_LEFT);
}
return implode(':', $expanded);
}

3
epp/start_epp.php
View file

@ -76,6 +76,9 @@ $server->handle(function (Connection $conn) use ($table, $pool, $c, $log, $permi
// Get the client information
$clientInfo = $conn->exportSocket()->getpeername();
$clientIP = isset($clientInfo['address']) ? (strpos($clientInfo['address'], '::ffff:') === 0 ? substr($clientInfo['address'], 7) : $clientInfo['address']) : '';
if (isIPv6($clientIP)) {
$clientIP = expandIPv6($clientIP);
}
// Check if the IP is in the permitted list
if (!$permittedIPsTable->exist($clientIP)) {