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Update HAPROXY process to understand v1

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This commit is contained in:
Deon George 2024-10-26 12:15:53 +11:00
parent 271bf937cf
commit d2d1094c1a
2 changed files with 111 additions and 59 deletions
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1
.env.example
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@ -49,6 +49,7 @@ MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
FIDO_DIR=fido
FIDO_PACKET_KEEP=false
FIDO_STRICT=false
FIDO_HAPROXY=false
FILESYSTEM_DISK=s3
AWS_ACCESS_KEY_ID=

169
app/Classes/Sock/SocketClient.php
View File

@ -59,80 +59,131 @@ final class SocketClient {
if ((! $originate) && config('fido.haproxy')) {
Log::debug(sprintf('%s:+ HAPROXY connection host [%s] on port [%d] (%s)',self::LOGKEY,$this->address_remote,$this->port_remote,$this->type));
if ($this->read(5,12) !== "\x0d\x0a\x0d\x0a\x00\x0d\x0aQUIT\x0a")
if (($x=$this->read(5,6)) === 'PROXY ')
$vers = 1;
elseif (($x === "\x0d\x0a\x0d\x0a\x00\x0d") && ($this->read('5,6') === "\x0aQUIT\x0a"))
$vers = 2;
else
throw new HAproxyException('Failed to initialise HAPROXY connection');
// Version/Command
$vc = $this->read_ch(5);
if (($x=($vc>>4)&0x7) !== 2)
throw new HAproxyException(sprintf('Unknown HAPROXY version [%d]',$x));
switch ($x=($vc&0x7)) {
// HAPROXY internal
case 0:
throw new HAproxyException('HAPROXY internal health-check');
// PROXY connection
switch ($vers) {
case 1:
// Protocol/Address Family
switch ($x=$this->read(5,5)) {
case 'TCP4 ':
$p = 4;
break;
case 'TCP6 ':
$p = 6;
break;
default:
throw new HAproxyException(sprintf('HAPROXY protocol [%d] is not handled',$x));
}
$read = $this->read(5,104-11);
// IPv4
if (($p === 4) || ($p === 6)) {
$parse = collect(sscanf($read,'%s %s %s %s'));
$src = Arr::get($parse,0);
$dst = Arr::get($parse,1);
$src_port = (int)Arr::get($parse,2);
$dst_port = (int)Arr::get($parse,3);
$len = $parse->map(fn($item)=>strlen($item))->sum()+3;
// The last 2 chars should be "\r\n"
if (($x=substr($read,$len)) !== "\r\n")
throw new HAproxyException(sprintf('HAPROXY parsing failed for version [%d] [%s] (%s)',$p,$read,hex_dump($x)));
} else {
throw new HAproxyException(sprintf('HAPROXY version [%d] is not handled [%s]',$p,$read));
}
$this->port_remote = $src_port;
break;
case 2:
// Version/Command
$vc = $this->read_ch(5);
if (($x=($vc>>4)&0x7) !== 2)
throw new HAproxyException(sprintf('Unknown HAPROXY version [%d]',$x));
switch ($x=($vc&0x7)) {
// HAPROXY internal
case 0:
throw new HAproxyException('HAPROXY internal health-check');
// PROXY connection
case 1:
break;
default:
throw new HAproxyException(sprintf('HAPROXY command [%d] is not handled',$x));
}
// Protocol/Address Family
$pa = $this->read_ch(5);
switch ($x=($pa>>4)&0x7) {
case 1: // AF_INET
$p = 4;
break;
case 2: // AF_INET6
$p = 6;
break;
}
switch ($x=($pa&0x7)) {
case 1: // STREAM
break;
default:
throw new HAproxyException(sprintf('HAPROXY address family [%d] is not handled',$x));
}
$len = Arr::get(unpack('n',$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 {
throw new HAproxyException(sprintf('HAPROXY address len [%d:%d] is not handled',$p,$len));
}
$src_port = unpack('n',$this->read(5,2));
$dst_port = Arr::get(unpack('n',$this->read(5,2)),1);
$this->port_remote = Arr::get($src_port,1);
break;
default:
throw new HAproxyException(sprintf('HAPROXY command [%d] is not handled',$x));
throw new HAproxyException('Failed to initialise HAPROXY connection');
}
// 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
$p = 6;
break;
default:
throw new HAproxyException(sprintf('HAPROXY protocol [%d] is not handled',$x));
}
switch ($x=($pa&0x7)) {
case 1: // STREAM
break;
default:
throw new HAproxyException(sprintf('HAPROXY address family [%d] is not handled',$x));
}
$len = Arr::get(unpack('n',$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 {
throw new HAproxyException(sprintf('HAPROXY address len [%d:%d] is not handled',$p,$len));
}
$src_port = unpack('n',$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::debug(sprintf('%s:- HAPROXY src [%s:%d] dst [%s:%d]',
self::LOGKEY,
$this->address_remote,
$this->port_remote,
$dst,
Arr::get($dst_port,1),
$dst_port,
));
}