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Define and detect different packet types (2,2e,2+,2.2)

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This commit is contained in:
Deon George 2023-06-25 22:45:02 +12:00
parent fa3653a94b
commit a26f61d75d
10 changed files with 678 additions and 266 deletions
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24
app/Classes/FTN.php
View File

@ -59,12 +59,22 @@ abstract class FTN
*/
protected static function unpackheader(array $pack): string
{
return join('/',
collect($pack)
->sortBy(function($k,$v) {return $k[0];})
->transform(function($k,$v) {return $k[1].$v;})
->values()
->toArray()
);
// Check that our header is correct
if (app()->environment('local')) {
$c = 0;
foreach (collect($pack) as $item) {
if ($c !== $item[0])
throw new \Exception('Invalid header');
$c += $item[2];
}
}
return collect($pack)
->sortBy(function($k,$v) {return $k[0];})
->transform(function($k,$v) {return $k[1].$v;})
->values()
->join('/');
;
}
}

2
app/Classes/FTN/Message.php
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@ -71,7 +71,7 @@ class Message extends FTNBase
public const FLAG_ECHOMAIL = 1<<16;
// FTS-0001.016 Message header 32 bytes node, net, flags, cost, date
private const HEADER_LEN = 0x20; // Length of message header
public const HEADER_LEN = 0x20; // Length of message header
private const header = [ // Struct of message header
'onode' => [0x00,'v',2], // Originating Node
'dnode' => [0x02,'v',2], // Destination Node

489
app/Classes/FTN/Packet.php
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@ -10,7 +10,7 @@ use Illuminate\Support\Facades\Log;
use Symfony\Component\HttpFoundation\File\File;
use App\Classes\FTN as FTNBase;
use App\Models\{Address,Setup,Software,System,Zone};
use App\Models\{Address,Software,System,Zone};
/**
* Represents the structure of a packet
@ -19,102 +19,152 @@ class Packet extends FTNBase implements \Iterator, \Countable
{
private const LOGKEY = 'PKT';
private const HEADER_LEN = 0x3a;
private const VERSION_OFFSET = 0x12;
private const BLOCKSIZE = 1024;
private const PACKED_MSG_HEADER_LEN = 0x22;
protected const PACKED_MSG_LEAD = "\02\00";
// V2 Packet Header (2/2e/2+)
private const v2header = [
'onode' => [0x00,'v',2], // Originating Node
'dnode' => [0x02,'v',2], // Destination Node
'y' => [0x04,'v',2], // Year
'm' => [0x06,'v',2], // Month
'd' => [0x08,'v',2], // Day
'H' => [0x0a,'v',2], // Hour
'M' => [0x0c,'v',2], // Minute
'S' => [0x0e,'v',2], // Second
'baud' => [0x10,'v',2], // Baud
'pktver' => [0x12,'v',2], // Packet Version
'onet' => [0x14,'v',2], // Originating Net (0xffff when origPoint !=0 2+)
'dnet' => [0x16,'v',2], // Destination Net
'prodcode-lo' => [0x18,'C',1],
'prodrev-maj' => [0x19,'C',1], // Product Version Major (serialNum 2)
'password' => [0x1a,'Z8',8], // Packet Password
'qozone' => [0x22,'v',2],
'qdzone' => [0x24,'v',2],
'filler' => [0x26,'v',2], // Reserved (auxnet 2+ - contains Orignet if Origin is a point) fsc-0048.001
'capvalid' => [0x28,'n',2], // fsc-0039.004 (Not used 2) (copy of 0x2c)
'prodcode-hi' => [0x2a,'C',1], // (Not used 2)
'prodrev-min' => [0x2b,'C',1], // (Not used 2)
'capword' => [0x2c,'v',2], // fsc-0039.001 (Not used 2)
'ozone' => [0x2e,'v',2], // Originating Zone (Not used 2)
'dzone' => [0x30,'v',2], // Destination Zone (Not used 2)
'opoint' => [0x32,'v',2], // Originating Point (Not used 2)
'dpoint' => [0x34,'v',2], // Destination Point (Not used 2)
'proddata' => [0x36,'a4',4], // ProdData (Not used 2) // FSC-39/FSC-48
private const PACKET_TYPES = [
FTNBase\Packet\FSC45::class,
FTNBase\Packet\FSC48::class,
FTNBase\Packet\FSC39::class,
FTNBase\Packet\FTS1::class,
];
private array $header; // Packet Header
protected array $header; // Packet Header
protected ?string $name; // Packet name
public File $file; // Packet filename
public Collection $messages; // Messages in the Packet
public Collection $errors; // Messages that fail validation
private string $name; // Packet name
public bool $use_cache = FALSE; // Use a cache for messages.
private int $index; // Our array index
protected int $index; // Our array index
/**
* Number of messages in this packet
* @param string|null $header
* @throws \Exception
*/
public function count(): int
{
return $this->messages->count();
}
public function current(): Message
{
return $this->use_cache ? unserialize(Cache::pull($this->key())) : $this->messages->get($this->index);
}
public function key(): mixed
{
return $this->use_cache ? $this->messages->get($this->index) : $this->index;
}
public function next(): void
{
$this->index++;
}
public function rewind(): void
{
$this->index = 0;
}
public function valid(): bool
{
return (! is_null($this->key())) && ($this->use_cache ? Cache::has($this->key()) : $this->messages->has($this->key()));
}
/**
* @param Address|NULL $oo Origin Address
* @param Address|NULL $o Destination Address
*/
public function __construct(Address $oo=NULL,Address $o=NULL)
public function __construct(string $header=NULL)
{
$this->messages = collect();
$this->errors = collect();
$this->domain = NULL;
$this->name = NULL;
// If we are creating an outbound packet, we need to set our header
if ($oo && $o) {
$this->name = sprintf('%08x',timew());
Log::debug(sprintf('%s:Creating packet [%s]',self::LOGKEY,$this->name));
$this->newHeader($oo,$o);
if ($header)
$this->header = unpack(self::unpackheader(static::HEADER),$header);
}
/**
* @throws \Exception
*/
public function __get($key)
{
switch ($key) {
// From Addresses
case 'fz': return Arr::get($this->header,'ozone');
case 'fn': return Arr::get($this->header,'onet');
case 'ff': return Arr::get($this->header,'onode');
case 'fp': return Arr::get($this->header,'opoint');
case 'fd': return rtrim(Arr::get($this->header,'odomain',"\x00"));
// To Addresses
case 'tz': return Arr::get($this->header,'dzone');
case 'tn': return Arr::get($this->header,'dnet');
case 'tf': return Arr::get($this->header,'dnode');
case 'tp': return Arr::get($this->header,'dpoint');
case 'td': return rtrim(Arr::get($this->header,'ddomain',"\x00"));
case 'date':
return Carbon::create(
Arr::get($this->header,'y'),
Arr::get($this->header,'m')+1,
Arr::get($this->header,'d'),
Arr::get($this->header,'H'),
Arr::get($this->header,'M'),
Arr::get($this->header,'S')
);
case 'password':
return rtrim(Arr::get($this->header,$key),"\x00");
case 'fftn':
case 'fftn_o':
case 'tftn':
case 'tftn_o':
return parent::__get($key);
case 'software':
$code = Arr::get($this->header,'prodcode-hi')<<8|Arr::get($this->header,'prodcode-lo');
Software::unguard();
$o = Software::singleOrNew(['code'=>$code,'type'=>Software::SOFTWARE_TOSSER]);
Software::reguard();
return $o;
case 'software_ver':
return sprintf('%d.%d',Arr::get($this->header,'prodrev-maj'),Arr::get($this->header,'prodrev-min'));
case 'capability':
// This needs to be defined in child classes, since not all children have it
return NULL;
// Packet Type
case 'type':
return static::TYPE;
// Packet name:
case 'name':
return $this->{$key} ?: sprintf('%08x',timew());
default:
throw new \Exception('Unknown key: '.$key);
}
}
/**
* Return the packet
*
* @return string
* @throws \Exception
*/
public function __toString(): string
{
$return = $this->header();
foreach ($this->messages as $o) {
if ($o->packed)
$return .= self::PACKED_MSG_LEAD.$o;
}
$return .= "\00\00";
return $return;
}
/* STATIC */
/**
* Site of the packet header
*
* @return int
*/
public static function header_len(): int
{
return collect(static::HEADER)->sum(function($item) { return Arr::get($item,2); });
}
/**
* This function is intended to be implemented in child classes to test if the packet
* is defined by the child object
*
* @see self::PACKET_TYPES
* @param string $header
* @return bool
*/
public static function is_type(string $header): bool
{
return FALSE;
}
/**
* Process a packet file
*
@ -126,40 +176,48 @@ class Packet extends FTNBase implements \Iterator, \Countable
* @return Packet
* @throws InvalidPacketException
*/
public static function process(mixed $f,string $name,int $size,System $system=NULL,bool $use_cache=FALSE): self
{
Log::debug(sprintf('%s:+ Opening Packet [%s] with size [%d]',self::LOGKEY,$name,$size));
$o = FALSE;
$header = '';
$read_ptr = 0;
// PKT Header
$header = fread($f,self::HEADER_LEN);
$read_ptr += strlen($header);
// Determine the type of packet
foreach (self::PACKET_TYPES as $type) {
$header_len = $type::header_len();
// Could not read header
if (strlen($header) != self::HEADER_LEN)
throw new InvalidPacketException(sprintf('Length of header [%d] too short'.strlen($header)));
// PKT Header
if ($read_ptr < $header_len) {
$header .= fread($f,$header_len-$read_ptr);
$read_ptr = ftell($f);
}
// Not a type 2 packet
$version = Arr::get(unpack('vv',substr($header,self::VERSION_OFFSET)),'v');
if ($version != 2)
throw new InvalidPacketException('Not a type 2 packet: '.$version);
// Could not read header
if (strlen($header) !== $header_len)
throw new InvalidPacketException(sprintf('Length of header [%d] too short',strlen($header)));
if ($type::is_type($header)) {
$o = new $type($header);
break;
}
}
if (! $o)
throw new InvalidPacketException('Cannot determine type of packet.');
$o = new self;
$o->use_cache = $use_cache;
$o->name = $name;
$o->header = unpack(self::unpackheader(self::v2header),$header);
$x = fread($f,2);
$read_ptr += strlen($x);
// End of Packet?
if (strlen($x) == 2 and $x == "\00\00")
return new self;
if ((strlen($x) === 2) && ($x === "\00\00"))
return $o;
// Messages start with 02H 00H
if (strlen($x) == 2 AND $x != "\02\00")
// Messages start with self::PACKED_MSG_LEAD
if ((strlen($x) === 2) && ($x !== self::PACKED_MSG_LEAD))
throw new InvalidPacketException('Not a valid packet: '.bin2hex($x));
// No message attached
@ -179,10 +237,11 @@ class Packet extends FTNBase implements \Iterator, \Countable
while ($buf_ptr || (! feof($f) && ($readbuf=fread($f,self::BLOCKSIZE)))) {
if (! $buf_ptr)
$read_ptr += strlen($readbuf); // Could use ftell()
$read_ptr = ftell($f);
if (strlen($message) < self::PACKED_MSG_HEADER_LEN) {
$addchars = self::PACKED_MSG_HEADER_LEN-strlen($message);
// Packed messages are Message::HEADER_LEN, prefixed with self::PACKED_MSG_LEAD
if (strlen($message) < (Message::HEADER_LEN+strlen(self::PACKED_MSG_LEAD))) {
$addchars = (Message::HEADER_LEN+strlen(self::PACKED_MSG_LEAD))-strlen($message);
$message .= substr($readbuf,$buf_ptr,$addchars);
$buf_ptr += $addchars;
@ -197,7 +256,7 @@ class Packet extends FTNBase implements \Iterator, \Countable
if ($last && ($buf_ptr == 0)) {
$last .= substr($readbuf,0,2);
if (($end=strpos($last,"\x00\x02\x00",$buf_ptr)) !== FALSE) {
if (($end=strpos($last,"\x00".self::PACKED_MSG_LEAD,$buf_ptr)) !== FALSE) {
$o->parseMessage(substr($message,0,$end-2));
$last = '';
$message = '';
@ -210,7 +269,7 @@ class Packet extends FTNBase implements \Iterator, \Countable
$last = '';
}
if (($end=strpos($readbuf,"\x00\x02\x00",$buf_ptr)) === FALSE) {
if (($end=strpos($readbuf,"\x00".self::PACKED_MSG_LEAD,$buf_ptr)) === FALSE) {
// Just in case our packet break is at the end of the buffer
$last = substr($readbuf,-2);
@ -253,137 +312,89 @@ class Packet extends FTNBase implements \Iterator, \Countable
}
/**
* @throws \Exception
*/
public function __get($key)
{
switch ($key) {
// From Addresses
case 'fz': return Arr::get($this->header,'ozone');
case 'fn': return Arr::get($this->header,'onet');
case 'ff': return Arr::get($this->header,'onode');
case 'fp': return Arr::get($this->header,'opoint');
case 'fd': return Arr::get($this->header,'odomain');
// To Addresses
case 'tz': return Arr::get($this->header,'dzone');
case 'tn': return Arr::get($this->header,'dnet');
case 'tf': return Arr::get($this->header,'dnode');
case 'tp': return Arr::get($this->header,'dpoint');
case 'td': return Arr::get($this->header,'ddomain');
case 'date':
return Carbon::create(
Arr::get($this->header,'y'),
Arr::get($this->header,'m')+1,
Arr::get($this->header,'d'),
Arr::get($this->header,'H'),
Arr::get($this->header,'M'),
Arr::get($this->header,'S')
);
case 'capability':
return Arr::get($this->header,'capword') == Arr::get($this->header,'capvalid') ? sprintf('%016b',Arr::get($this->header,'capword')) : 'FTS-1';
case 'password':
return Arr::get($this->header,$key);
case 'fftn':
case 'fftn_o':
case 'tftn':
case 'tftn_o':
return parent::__get($key);
case 'software':
$code = Arr::get($this->header,'prodcode-hi')<<8|Arr::get($this->header,'prodcode-lo');
Software::unguard();
$o = Software::singleOrNew(['code'=>$code,'type'=>Software::SOFTWARE_TOSSER]);
Software::reguard();
return $o;
case 'software_ver':
return sprintf('%d.%d',Arr::get($this->header,'prodrev-maj'),Arr::get($this->header,'prodrev-min'));
// Packet Type
case 'type':
if ((Arr::get($this->header,'onet') == 0xffff) && (Arr::get($this->header,'opoint') != 0) && Arr::get($this->header,'filler'))
return '2+';
elseif (Arr::get($this->header,'prodrev-maj') && ! Arr::get($this->header,'capword'))
return '2';
else
return '2e';
// Packet name:
case 'name':
return $this->{$key};
default:
throw new \Exception('Unknown key: '.$key);
}
}
/**
* Return the packet
* Location of the version
*
* @return string
* @throws \Exception
* @return int
*/
public function __toString(): string
public static function version_offset(): int
{
$return = $this->createHeader();
foreach ($this->messages as $o) {
if ($o->packed)
$return .= "\02\00".(string)$o;
}
$return .= "\00\00";
return $return;
return Arr::get(collect(static::HEADER)->get('type'),0);
}
/**
* Create our message packet header
*/
private function createHeader(): string
public static function version_offset_len(): int
{
try {
$a = pack(collect(self::v2header)->merge(['password' => [0x1a,'a8',8]])->pluck(1)->join(''),
$this->ff,
$this->tf,
Arr::get($this->header,'y'),
Arr::get($this->header,'m'),
Arr::get($this->header,'d'),
Arr::get($this->header,'H'),
Arr::get($this->header,'M'),
Arr::get($this->header,'S'),
Arr::get($this->header,'baud',0),
Arr::get($this->header,'pktver',2),
$this->fn, // @todo if point, this needs to be 0xff
$this->tn,
Arr::get($this->header,'prodcode-lo',(Setup::PRODUCT_ID & 0xff)),
Arr::get($this->header,'prodrev-maj',Setup::PRODUCT_VERSION_MAJ),
$this->password,
$this->fz,
$this->tz,
Arr::get($this->header,'filler',''),
Arr::get($this->header,'capvalid',1<<0),
Arr::get($this->header,'prodcode-hi',(Setup::PRODUCT_ID >> 8) & 0xff),
Arr::get($this->header,'prodrev-min',Setup::PRODUCT_VERSION_MIN),
Arr::get($this->header,'capword',1<<0),
$this->fz,
$this->tz,
$this->fp,
$this->tp,
Arr::get($this->header,'proddata','AB8D'),
);
return Arr::get(collect(static::HEADER)->get('type'),2);
}
return $a;
/* INTERFACE */
} catch (\Exception $e) {
return $e->getMessage();
}
/**
* Number of messages in this packet
*/
public function count(): int
{
return $this->messages->count();
}
public function current(): Message
{
return $this->use_cache ? unserialize(Cache::pull($this->key())) : $this->messages->get($this->index);
}
public function key(): mixed
{
return $this->use_cache ? $this->messages->get($this->index) : $this->index;
}
public function next(): void
{
$this->index++;
}
public function rewind(): void
{
$this->index = 0;
}
public function valid(): bool
{
return (! is_null($this->key())) && ($this->use_cache ? Cache::has($this->key()) : $this->messages->has($this->key()));
}
/* METHODS */
/**
* When creating a new packet, set the header.
*
* @param Address $oo
* @param Address $o
*/
public function addressHeader(Address $oo,Address $o): void
{
Log::debug(sprintf('%s:Creating packet [%s]',self::LOGKEY,$this->name));
$date = Carbon::now();
// Create Header
$this->header = [
'ozone' => $oo->zone->zone_id, // Orig Zone
'dzone' => $o->zone->zone_id, // Dest Zone
'onet' => $oo->host_id ?: $oo->region_id, // Orig Net
'dnet' => $o->host_id ?: $o->region_id, // Dest Net
'onode' => $oo->node_id, // Orig Node
'dnode' => $o->node_id, // Dest Node
'opoint' => $oo->point_id, // Orig Point
'dpoint' => $o->point_id, // Dest Point
'odomain' => $oo->zone->domain->name, // Orig Domain
'ddomain' => $o->zone->domain->name, // Dest Domain
'y' => $date->format('Y'), // Year
'm' => $date->format('m')-1, // Month
'd' => $date->format('d'), // Day
'H' => $date->format('H'), // Hour
'M' => $date->format('i'), // Minute
'S' => $date->format('s'), // Second
'password' => $o->session('pktpass'), // Packet Password
];
}
/**
@ -396,38 +407,6 @@ class Packet extends FTNBase implements \Iterator, \Countable
$this->messages->push($o);
}
/**
* When creating a new packet, set the header.
*
* @param Address $oo
* @param Address $o
*/
private function newHeader(Address $oo,Address $o): void
{
$date = Carbon::now();
// Create Header
$this->header = [
'onode' => $oo->node_id, // Originating Node
'dnode' => $o->node_id, // Destination Node
'y' => $date->format('Y'), // Year
'm' => $date->format('m')-1, // Month
'd' => $date->format('d'), // Day
'H' => $date->format('H'), // Hour
'M' => $date->format('i'), // Minute
'S' => $date->format('s'), // Second
'onet' => $oo->host_id ?: $oo->region_id, // Originating Net (0xffff when origPoint !=0 2+)
'dnet' => $o->host_id ?: $o->region_id, // Destination Net
'password' => $o->session('pktpass'), // Packet Password
'qozone' => $oo->zone->zone_id,
'qdzone' => $o->zone->zone_id,
'ozone' => $oo->zone->zone_id, // Originating Zone (Not used 2)
'dzone' => $o->zone->zone_id, // Destination Zone (Not used 2)
'opoint' => $oo->point_id, // Originating Point (Not used 2)
'dpoint' => $o->point_id, // Destination Point (Not used 2)
];
}
/**
* Parse a message in a mail packet
*

121
app/Classes/FTN/Packet/FSC39.php Normal file
View File

@ -0,0 +1,121 @@
<?php
namespace App\Classes\FTN\Packet;
use Illuminate\Support\Arr;
use App\Classes\FTN\Packet;
use App\Models\Setup;
/**
* FSC-0039 http://ftsc.org/docs/fsc-0039.004
*
* Commonly known as Type 2e packets, or extended type 2 packets
* Supports 4D addressing
*/
final class FSC39 extends Packet
{
protected const HEADER = [
'onode' => [0x00,'v',2], // Orig Node
'dnode' => [0x02,'v',2], // Dest Node
'y' => [0x04,'v',2], // Year
'm' => [0x06,'v',2], // Month
'd' => [0x08,'v',2], // Day
'H' => [0x0a,'v',2], // Hour
'M' => [0x0c,'v',2], // Minute
'S' => [0x0e,'v',2], // Second
'baud' => [0x10,'v',2], // Baud
'type' => [0x12,'v',2], // Packet Version (should be 2)
'onet' => [0x14,'v',2], // Orig Net
'dnet' => [0x16,'v',2], // Dest Net
'prodcode-lo' => [0x18,'C',1], // Product Code
'prodrev-maj' => [0x19,'C',1], // Product Version Major
'password' => [0x1a,'a8',8], // Packet Password
'ozone' => [0x22,'v',2], // Orig Zone
'dzone' => [0x24,'v',2], // Dest Zone
'reserved' => [0x26,'a2',2], // Reserved
'capvalid' => [0x28,'n',2], // fsc-0039.004 (copy of 0x2c)
'prodcode-hi' => [0x2a,'C',1], // Product Code Hi
'prodrev-min' => [0x2b,'C',1], // Product Version Minor
'capword' => [0x2c,'v',2], // Capability Word
'dozone' => [0x2e,'v',2], // Orig Zone
'ddzone' => [0x30,'v',2], // Dest Zone
'opoint' => [0x32,'v',2], // Orig Point
'dpoint' => [0x34,'v',2], // Dest Point
'proddata' => [0x36,'a4',4], // ProdData
];
public const TYPE = '2e';
public function __get($key)
{
switch ($key) {
case 'capability':
return sprintf('%016b',Arr::get($this->header,'capword'));
default:
return parent::__get($key);
}
}
/**
* Create our message packet header
*/
protected function header(): string
{
try {
return pack(collect(self::HEADER)->pluck(1)->join(''),
$this->ff, // Orig Node
$this->tf, // Dest Node
Arr::get($this->header,'y'), // Year
Arr::get($this->header,'m'), // Month
Arr::get($this->header,'d'), // Day
Arr::get($this->header,'H'), // Hour
Arr::get($this->header,'M'), // Minute
Arr::get($this->header,'S'), // Second
0, // Baud
2, // Packet Version (should be 2)
$this->fn, // Orig Net
$this->tn, // Dest Net
(Setup::PRODUCT_ID & 0xff), // Product Code Lo
Setup::PRODUCT_VERSION_MAJ, // Product Version Major
$this->password, // Packet Password
$this->fz, // Orig Zone
$this->tz, // Dest Zone
'', // Reserved
Arr::get($this->header,'capvalid',1<<0), // fsc-0039.004 (copy of 0x2c)
((Setup::PRODUCT_ID >> 8) & 0xff), // Product Code Hi
Setup::PRODUCT_VERSION_MIN, // Product Version Minor
Arr::get($this->header,'capword',1<<0), // Capability Word
$this->fz, // Orig Zone
$this->tz, // Dest Zone
$this->fp, // Orig Point
$this->tp, // Dest Point
strtoupper(hexstr(Setup::PRODUCT_ID)), // ProdData
);
} catch (\Exception $e) {
return $e->getMessage();
}
}
/**
* Determine if this is a fsc-0045 packet
*
* @param string $header
* @return bool
* @throws \Exception
*/
public static function is_type(string $header): bool
{
$head = unpack(self::unpackheader(self::HEADER),$header);
return (
(Arr::get($head,'type') === 2)
&& (strlen(rtrim(Arr::get($head,'reserved'),"\x00")) === 0)
&& (Arr::get($head,'capword') === Arr::get($head,'capvalid'))
&& (Arr::get($head,'ozone') === Arr::get($head,'dozone'))
&& (Arr::get($head,'dzone') === Arr::get($head,'ddzone'))
);
}
}

91
app/Classes/FTN/Packet/FSC45.php Normal file
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@ -0,0 +1,91 @@
<?php
namespace App\Classes\FTN\Packet;
use Illuminate\Support\Arr;
use App\Classes\FTN\Packet;
use App\Models\Setup;
/**
* FSC-0045 http://ftsc.org/docs/fsc-0045.001
*
* Commonly known as Type 2.2 packets
* Supports 5D addressing
*/
final class FSC45 extends Packet
{
protected const HEADER = [
'onode' => [0x00,'v',2], // Orig Node
'dnode' => [0x02,'v',2], // Dest Node
'opoint' => [0x04,'v',2], // Orig Point
'dpoint' => [0x06,'v',2], // Dest Point
'reserved' => [0x08,'a8',8], // Reserved
'subver' => [0x10,'v',2], // Sub Version (should be 2)
'type' => [0x12,'v',2], // Packet Version (should be 2)
'onet' => [0x14,'v',2], // Orig Net
'dnet' => [0x16,'v',2], // Dest Net
'prodcode' => [0x18,'C',1], // Product Code
'prodrev-maj' => [0x19,'C',1], // Product Version
'password' => [0x1a,'a8',8], // Packet Password
'ozone' => [0x22,'v',2], // Orig Zone
'dzone' => [0x24,'v',2], // Dest Zone
'odomain' => [0x26,'a8',8], // Orig Domain
'ddomain' => [0x2e,'a8',8], // Dest Domain
'proddata' => [0x36,'a4',4], // ProdData
];
public const TYPE = '2.2';
/**
* Create our message packet header
*/
protected function header(): string
{
try {
return pack(collect(self::HEADER)->pluck(1)->join(''),
$this->ff, // Orig Node
$this->tf, // Dest Node
$this->fp, // Orig Point
$this->tp, // Dest Point
'', // Reserved
2, // Sub Version (should be 2)
2, // Packet Version (should be 2)
$this->fn, // Orig Net
$this->tn, // Dest Net
(Setup::PRODUCT_ID & 0xff), // Product Code
Setup::PRODUCT_VERSION_MAJ, // Product Version
$this->password, // Packet Password
$this->fz, // Orig Zone
$this->tz, // Dest Zone
$this->fd, // Orig Domain
$this->td, // Dest Domain
strtoupper(hexstr(Setup::PRODUCT_ID)), // ProdData
);
} catch (\Exception $e) {
return $e->getMessage();
}
}
/**
* Determine if this is a fsc-0045 packet
*
* @param string $header
* @return bool
* @throws \Exception
*/
public static function is_type(string $header): bool
{
$head = unpack(self::unpackheader(self::HEADER),$header);
return (
(Arr::get($head,'type') === 2)
&& ((Arr::get($head,'opoint') === 0) || (Arr::get($head,'onet') !== 0xffff))
&& (strlen(rtrim(Arr::get($head,'reserved'),"\x00")) === 0)
&& (Arr::get($head,'subver') === 2)
&& (Arr::get($head,'odomain'))
&& (Arr::get($head,'ddomain'))
);
}
}

119
app/Classes/FTN/Packet/FSC48.php Normal file
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@ -0,0 +1,119 @@
<?php
namespace App\Classes\FTN\Packet;
use Illuminate\Support\Arr;
use App\Classes\FTN\Packet;
use App\Models\Setup;
/**
* FSC-0048 http://ftsc.org/docs/fsc-0048.002
*
* Commonly known as Type 2+ packets, based on FSC-0039 with improved support for FTS-0001
*/
final class FSC48 extends Packet
{
protected const HEADER = [
'onode' => [0x00,'v',2], // Orig Node
'dnode' => [0x02,'v',2], // Dest Node
'y' => [0x04,'v',2], // Year
'm' => [0x06,'v',2], // Month
'd' => [0x08,'v',2], // Day
'H' => [0x0a,'v',2], // Hour
'M' => [0x0c,'v',2], // Minute
'S' => [0x0e,'v',2], // Second
'baud' => [0x10,'v',2], // Baud
'type' => [0x12,'v',2], // Packet Version (should be 2)
'onet' => [0x14,'v',2], // Orig Net (0xFFFF when OrigPoint != 0)
'dnet' => [0x16,'v',2], // Dest Net
'prodcode-lo' => [0x18,'C',1], // Product Code Lo
'prodrev-maj' => [0x19,'C',1], // Product Version Major
'password' => [0x1a,'a8',8], // Packet Password
'ozone' => [0x22,'v',2], // Orig Zone
'dzone' => [0x24,'v',2], // Dest Zone
'auxnet' => [0x26,'v',2], // Aux Net
'capvalid' => [0x28,'n',2], // fsc-0039.004 (copy of 0x2c)
'prodcode-hi' => [0x2a,'C',1], // Product Code Hi
'prodrev-min' => [0x2b,'C',1], // Product Version Minor
'capword' => [0x2c,'v',2], // Capability Word
'dozone' => [0x2e,'v',2], // Orig Zone
'ddzone' => [0x30,'v',2], // Dest Zone
'opoint' => [0x32,'v',2], // Orig Point
'dpoint' => [0x34,'v',2], // Dest Point
'proddata' => [0x36,'a4',4], // ProdData
];
public const TYPE = '2+';
public function __get($key)
{
switch ($key) {
case 'capability':
return sprintf('%016b',Arr::get($this->header,'capword'));
default:
return parent::__get($key);
}
}
/**
* Create our message packet header
*/
protected function header(): string
{
try {
return pack(collect(self::HEADER)->pluck(1)->join(''),
$this->ff, // Orig Node
$this->tf, // Dest Node
Arr::get($this->header,'y'), // Year
Arr::get($this->header,'m'), // Month
Arr::get($this->header,'d'), // Day
Arr::get($this->header,'H'), // Hour
Arr::get($this->header,'M'), // Minute
Arr::get($this->header,'S'), // Second
0, // Baud
2, // Packet Version (should be 2)
$this->fp ? 0xffff : $this->fn, // Orig Net (0xFFFF when OrigPoint != 0)
$this->tn, // Dest Net
(Setup::PRODUCT_ID & 0xff), // Product Code Lo
Setup::PRODUCT_VERSION_MAJ, // Product Version Major
$this->password, // Packet Password
$this->fz, // Orig Zone
$this->tz, // Dest Zone
$this->fp ? $this->fn : 0x00, // Aux Net
Arr::get($this->header,'capvalid',1<<0), // fsc-0039.004 (copy of 0x2c)
((Setup::PRODUCT_ID >> 8) & 0xff), // Product Code Hi
Setup::PRODUCT_VERSION_MIN, // Product Version Minor
Arr::get($this->header,'capword',1<<0), // Capability Word
$this->fz, // Orig Zone
$this->tz, // Dest Zone
$this->fp, // Orig Point
$this->tp, // Dest Point
strtoupper(hexstr(Setup::PRODUCT_ID)), // ProdData
);
} catch (\Exception $e) {
return $e->getMessage();
}
}
/**
* Determine if this is a fsc-0045 packet
*
* @param string $header
* @return bool
* @throws \Exception
*/
public static function is_type(string $header): bool
{
$head = unpack(self::unpackheader(self::HEADER),$header);
return (
(Arr::get($head,'type') === 2)
&& (Arr::get($head,'capword') === Arr::get($head,'capvalid'))
&& ((Arr::get($head,'opoint') === 0) || (Arr::get($head,'onet') === 0xffff))
&& Arr::get($head,'auxnet')
);
}
}

89
app/Classes/FTN/Packet/FTS1.php Normal file
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@ -0,0 +1,89 @@
<?php
namespace App\Classes\FTN\Packet;
use Illuminate\Support\Arr;
use App\Classes\FTN\Packet;
use App\Models\Setup;
/**
* FTS-0001 http://ftsc.org/docs/fts-0001.016
*
* Commonly known as Type 2 packets
* Supports 3D addresses
*/
final class FTS1 extends Packet
{
protected const HEADER = [
'onode' => [0x00,'v',2], // Orig Node
'dnode' => [0x02,'v',2], // Dest Node
'y' => [0x04,'v',2], // Year
'm' => [0x06,'v',2], // Month
'd' => [0x08,'v',2], // Day
'H' => [0x0a,'v',2], // Hour
'M' => [0x0c,'v',2], // Minute
'S' => [0x0e,'v',2], // Second
'baud' => [0x10,'v',2], // Baud
'type' => [0x12,'v',2], // Packet Version (should be 2)
'onet' => [0x14,'v',2], // Orig Net
'dnet' => [0x16,'v',2], // Dest Net
'prodcode' => [0x18,'C',1], // Product Code
'serial' => [0x19,'C',1], // Serial Number
'password' => [0x1a,'a8',8], // Packet Password
'ozone' => [0x22,'v',2], // Orig Zone
'dzone' => [0x24,'v',2], // Dest Zone
'reserved' => [0x26,'a20',20], // Reserved
];
public const TYPE = '2';
/**
* Create our message packet header
*/
protected function header(): string
{
try {
return pack(collect(self::HEADER)->pluck(1)->join(''),
$this->ff, // Orig Node
$this->tf, // Dest Node
Arr::get($this->header,'y'), // Year
Arr::get($this->header,'m'), // Month
Arr::get($this->header,'d'), // Day
Arr::get($this->header,'H'), // Hour
Arr::get($this->header,'M'), // Minute
Arr::get($this->header,'S'), // Second
0, // Baud
2, // Packet Version (should be 2)
$this->fn, // Orig Net
$this->tn, // Dest Net
(Setup::PRODUCT_ID & 0xff), // Product Code Lo
Setup::PRODUCT_VERSION_MAJ, // Product Version Major
$this->password, // Packet Password
$this->fz, // Orig Zone
$this->tz, // Dest Zone
'', // Reserved
);
} catch (\Exception $e) {
return $e->getMessage();
}
}
/**
* Determine if this is a fsc-0045 packet
*
* @param string $header
* @return bool
* @throws \Exception
*/
public static function is_type(string $header): bool
{
$head = unpack(self::unpackheader(self::HEADER),$header);
return (
(Arr::get($head,'type') === 2)
&& (strlen(rtrim(Arr::get($head,'reserved'),"\x00")) === 0)
);
}
}

2
app/Console/Commands/PacketInfo.php
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@ -42,7 +42,7 @@ class PacketInfo extends Command
$this->alert(sprintf('File Name: %s',$x));
$this->info(sprintf('Packet Type : %s',$pkt->type));
$this->info(sprintf('Packet Type : %s (%s)',$pkt->type,get_class($pkt)));
$this->info(sprintf('From : %s to %s',$pkt->fftn,$pkt->tftn));
$this->info(sprintf('Dated : %s',$pkt->date));
$this->info(sprintf('Password : %s (%s)',$pkt->password,$pkt->password ? 'SET' : 'NOT set'));

4
app/Models/Address.php
View File

@ -650,7 +650,9 @@ class Address extends Model
if (! $ao)
return NULL;
$o = new Packet($ao,$this);
// @todo make packet type configurable by each system
$o = new Packet\FSC48;
$o->addressHeader($ao,$this);
// $oo = Netmail/Echomail Model
$c = 0;

3
resources/views/about.blade.php
View File

@ -53,7 +53,8 @@ If you have more than 1 BBS, then the Clearing Houz can receive all your mail fr
<li>Nodelist Management</li>
<li>Self service FTN Network Applications <sup>being implemented</sup></li>
<li>Dynamic mail bundling for upstream and downstream nodes (no more "inbounds" and "outbounds")</li>
<li>Automatic delisting of idle nodes</li>
<li>Support for Fidonet Packet formats <a href="http://ftsc.org/docs/fts-0001.016">FTS-0001</a>,<a href="http://ftsc.org/docs/fsc-0039.004">FSC-0039</a>,<a href="http://ftsc.org/docs/fsc-0045.001">FSC-0045</a>,<a href="http://ftsc.org/docs/fsc-0048.002">FSC-0048</a></li>
<li>Automatic delisting of idle nodes <sup>(to be implemented)</sup></li>
<li>DNS server, to enable resolving of registered nodes using domain dns names <strong class="highlight">p<em>N</em>.f<em>N</em>.n<em>N</em>.z<em>N</em>.<em>domain</em>.ftn</strong>, or <strong class="highlight">p<em>N</em>.f<em>N</em>.n<em>N</em>.z<em>N</em>.<em>[domain dns zone]</em></strong></li>
</ul>