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Implement HAPROXY proto support

This commit is contained in:
Deon George 2023-10-12 21:29:02 +11:00
parent c8ab8d3db3
commit a7e8cc7568
3 changed files with 98 additions and 1 deletions
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93
app/Classes/Sock/SocketClient.php
View File

@ -52,6 +52,99 @@ final class SocketClient {
if ($this->type === SOCK_STREAM) {
socket_getsockname($connection,$this->address_local,$this->port_local);
socket_getpeername($connection,$this->address_remote,$this->port_remote);
// If HAPROXY is used, work get the clients address
if (config('fido.haproxy')) {
Log::debug(sprintf('%s:+ HAPROXY connection host [%s] on port [%d] (%s)',self::LOGKEY,$this->address_remote,$this->port_remote,$this->type));
if ($this->read(5,12) !== "\x0d\x0a\x0d\x0a\x00\x0d\x0aQUIT\x0a") {
Log::error(sprintf('%s:! Failed to initialise HAPROXY connection',self::LOGKEY));
throw new SocketException(SocketException::CANT_CONNECT,'Failed to initialise HAPROXY connection');
}
// Version/Command
$vc = $this->read_ch(5);
if (($x=($vc>>4)&0x7) !== 2) {
Log::error(sprintf('%s:! HAPROXY version [%d] is not handled',self::LOGKEY,$x));
throw new SocketException(SocketException::CANT_CONNECT,'Unknown HAPROXY version');
}
switch ($x=($vc&0x7)) {
// HAPROXY internal
case 0:
Log::debug(sprintf('%s:! HAPROXY internal health-check',self::LOGKEY));
throw new SocketException(SocketException::CANT_CONNECT,'Healthcheck');
// PROXY connection
case 1:
break;
default:
Log::error(sprintf('%s:! HAPROXY command [%d] is not handled',self::LOGKEY,$x));
throw new SocketException(SocketException::CANT_CONNECT,'Unknown HAPROXY command');
}
// Protocol/Address Family
$pa = $this->read_ch(5);
$p = NULL;
switch ($x=($pa>>4)&0x7) {
case 1: // AF_INET
$p = 4;
break;
case 2: // AF_INET6
$p = 6;
break;
default:
Log::error(sprintf('%s:! HAPROXY protocol [%d] is not handled',self::LOGKEY,$x));
throw new SocketException(SocketException::CANT_CONNECT,'Unknown HAPROXY protocol');
}
switch ($x=($pa&0x7)) {
case 1: // STREAM
break;
default:
Log::error(sprintf('%s:! HAPROXY address family [%d] is not handled',self::LOGKEY,$x));
throw new SocketException(SocketException::CANT_CONNECT,'Unknown HAPROXY address family');
}
$len = Arr::get(unpack('n',$this->read(5,2)),1);
// IPv4
if (($p === 4) && ($len === 12)) {
$src = inet_ntop($this->read(5,4));
$dst = inet_ntop($this->read(5,4));
} elseif (($p === 6) && ($len === 36)) {
$src = inet_ntop($this->read(5,16));
$dst = inet_ntop($this->read(5,16));
} else {
Log::error(sprintf('%s:! HAPROXY address len [%d:%d] is not handled',self::LOGKEY,$p,$len));
throw new SocketException(SocketException::CANT_CONNECT,'Unknown HAPROXY address length');
}
$src_port = unpack('n',$this->read(5,2));
$dst_port = unpack('n',$this->read(5,2));
$this->address_remote = $src;
$this->port_remote = Arr::get($src_port,1);
Log::info(sprintf('%s:! HAPROXY src [%s:%d] dst [%s:%d]',
self::LOGKEY,
$this->address_remote,
$this->port_remote,
$dst,
Arr::get($dst_port,1),
));
}
Log::info(sprintf('%s:+ Connection host [%s] on port [%d] (%s)',self::LOGKEY,$this->address_remote,$this->port_remote,$this->type));
}
}

3
app/Classes/Sock/SocketServer.php
View File

@ -128,8 +128,9 @@ final class SocketServer {
try {
$r = new SocketClient($accept);
} catch (\ErrorException $e) {
} catch (\Exception $e) {
Log::error(sprintf('%s:! Creating Socket client failed? [%s]',self::LOGKEY,$e->getMessage()));
socket_close($accept);
continue;
}

3
config/fido.php
View File

@ -13,6 +13,9 @@ return [
// Our Storage::disk() for files storage
'file_disk' => env('FIDO_DIR_FILES', 's3'),
// Do our BINKP/EMSI connections come via haproxy and haproxy protocol
'haproxy' => env('FIDO_HAPROXY', FALSE),
// Our Storage::disk() for locally stored data
'local_disk' => env('FIDO_LOCAL_DIR','local'),