revert getServersIPv6 method as mixed address families are not supported by legacy protocol implementation

This commit is contained in:
yggverse 2026-03-05 00:42:21 +02:00
parent 13a7c607e1
commit a101a55715

View file

@ -35,9 +35,11 @@ class Master
}
}
public function getServers(
// Legacy protocol implementation does not support mixed address families
// in the binary master socket response, use separated method for IPv4 servers.
public function getServersIPv6(
int $limit = 100,
string $host = "0.0.0.0",
string $host = "[::]",
int $port = 0,
string $gamedir = "valve",
string $region = "\xFF"
@ -52,6 +54,8 @@ class Master
$this->_timeout
);
$master = "{$this->_host}:{$this->_port}";
// Is connected
if (true === is_resource($socket))
{
@ -64,7 +68,7 @@ class Master
else
{
$this->_errors[] = sprintf(
_('Connection error: %s'),
_("Connection error for $master: %s"),
$message
);
@ -78,7 +82,7 @@ class Master
// Filter query
if (false === fwrite($socket, "1{$region}{$host}:{$port}\0\\gamedir\\{$gamedir}\0"))
{
$this->_errors[] = _('Could not send socket query');
$this->_errors[] = _("Could not send socket query for $master");
$this->_fclose(
$socket
@ -90,7 +94,7 @@ class Master
// Skip header
if (false === fread($socket, 6))
{
$this->_errors[] = _('Could not init packet header');
$this->_errors[] = _("Could not init packet header for $master");
$this->_fclose(
$socket
@ -104,49 +108,51 @@ class Master
for ($i = 0; $i < $limit; $i++)
{
// Get host
if (false === $host = fread($socket, 16))
// Get host bytes
if (false === $h = fread($socket, 16))
{
$this->_errors[] = _("Invalid `host` fragment in packet at $i for $master");
break;
}
// End of packet
if (true === str_ends_with(bin2hex($h), bin2hex("\0\0\0\0\0\0")))
{
break;
}
// Is end of packet
if (true === str_ends_with(bin2hex($host), bin2hex("\0\0\0\0\0\0")))
// Get host string
if (false === $h = inet_ntop($h))
{
$this->_errors[] = _("Invalid `host` value in packet at $i for $master");
break;
}
// Skip invalid host value
if (false === $host = inet_ntop($host))
// Get port bytes
if (false === $p = fread($socket, 2))
{
// Shift port bytes
fread($socket, 2);
$this->_errors[] = _("Invalid `port` fragment in packet at $i for $master");
break;
}
// Get port value
if (false === $p = unpack('nport', $p))
{
$this->_errors[] = _("Invalid `port` value in packet at $i for $master");
continue;
}
// Calculate port value
if (false === $port = fread($socket, 2))
// Validate result
if (false === filter_var($h, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) || empty($p['port']))
{
$this->_errors[] = _("Invalid socket address in packet at $i for $master");
continue;
}
if (false === $port = unpack('nport', $port))
{
continue;
}
// Validate IPv6 result
if ((false === filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) &&
false === filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) || empty($port['port']))
{
continue;
}
$servers["[{$host}]:{$port['port']}"] = // keep unique
$servers["{$h}{$p['port']}"] = // keep unique
[
'host' => $host,
'port' => $port['port']
'host' => $h,
'port' => $p['port']
];
}