use AnnTalk;
use Geomag;
use WCY;
-use Time::HiRes qw(gettimeofday tv_interval);
use BadWords;
use DXHash;
use Route;
$pingint $obscount %pc19list $chatdupeage $chatimportfn
$investigation_int $pc19_version $myprot_version
%nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
- $allowzero $decode_dk0wcy $send_opernam @checklist);
+ $allowzero $decode_dk0wcy $send_opernam @checklist
+ );
$pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
$pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
$last_hour = time; # last time I did an hourly periodic update
-%pings = (); # outstanding ping requests outbound
%rcmds = (); # outstanding rcmd requests outbound
%nodehops = (); # node specific hop control
%pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
my $user = $self->{user};
# log it
- my $host = $self->{conn}->{peerhost} || "unknown";
+ my $host = $self->{conn}->{peerhost};
+ $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
+ $host ||= "unknown";
+
Log('DXProt', "$call connected from $host");
# remember type of connection
$self->{pingave} = 999;
$self->{metric} ||= 100;
$self->{lastping} = $main::systime;
-
+
# send initialisation string
unless ($self->{outbound}) {
$self->sendinit;
$self->send(pc18());
}
-sub removepc90
-{
- $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
- $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
-}
-
-#sub send
-#{
-# my $self = shift;
-# while (@_) {
-# my $line = shift;
-# $self->SUPER::send($line);
-# }
-#}
-
#
# This is the normal pcxx despatcher
#
{
my ($self, $line) = @_;
- # remove any incoming PC90 frames
- removepc90($line);
+ if ($line =~ '^<\w+\s' && $main::do_xml) {
+ DXXml::normal($self, $line);
+ return;
+ }
my @field = split /\^/, $line;
return unless @field;
# rsfp check
# return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
+
+ # is the spotted callsign blank? This should really be trapped earlier but it
+ # could break other protocol sentences. Also check for lower case characters.
+ if ($_[2] =~ /^\s*$/) {
+ dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
+ return;
+ }
+ if ($_[2] =~ /[a-z]/) {
+ dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
+ return;
+ }
+
# if this is a 'nodx' node then ignore it
if ($badnode->in($_[7])) {
# this goes after the input filtering, but before the add
# so that if it is input filtered, it isn't added to the dup
# list. This allows it to come in from a "legitimate" source
- if (Spot::dup(@spot[0..4])) {
+ if (Spot::dup(@spot[0..4,5])) {
dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
return;
}
return;
}
- RouteDB::update($ncall, $self->{call});
+ my $h;
+ $h = 1 if DXChannel::get($ncall);
+ RouteDB::update($ncall, $self->{call}, $h);
- # do we believe this call?
- unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
- if (my $ivp = Investigate::get($ncall, $self->{call})) {
- $ivp->store_pcxx($pcno,$line,$origin,@_);
- } else {
- dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
- }
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
return;
}
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
+ unless ($h) {
+ dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
return;
}
my $parent = Route::Node::get($ncall);
- # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
- # fix it up in the routing tables and issue it forth before the PC16
- unless ($parent) {
- my $nl = $pc19list{$ncall};
-
- if ($nl && @_ > 3) { # 3 because of the hop count!
-
- # this is a new (remembered) node, now attach it to me if it isn't in filtered
- # and we haven't disallowed it
- my $user = DXUser->get_current($ncall);
- if (!$user) {
- $user = DXUser->new($ncall);
- $user->sort('A');
- $user->priv(1); # I have relented and defaulted nodes
- $user->lockout(1);
- $user->homenode($ncall);
- $user->node($ncall);
- }
-
- my $wantpc19 = $user->wantroutepc19;
- if ($wantpc19 || !defined $wantpc19) {
- my $new = Route->new($ncall); # throw away
- if ($self->in_filter_route($new)) {
- my @nrout;
- for (@$nl) {
- $parent = Route::Node::get($_->[0]);
- $dxchan = $parent->dxchan if $parent;
- if ($dxchan && $dxchan ne $self) {
- dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
- $parent = undef;
- }
- if ($parent) {
- my $r = $parent->add($ncall, $_->[1], $_->[2]);
- push @nrout, $r unless @nrout;
- }
- }
- $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
- $user->lastin($main::systime) unless DXChannel::get($ncall);
- $user->put;
-
- # route the pc19 - this will cause 'stuttering PC19s' for a while
- $self->route_pc19($origin, $line, @nrout) if @nrout ;
- $parent = Route::Node::get($ncall);
- unless ($parent) {
- dbg("PCPROT: lost $ncall after sending PC19 for it?");
- return;
- }
- } else {
- return;
- }
- delete $pc19list{$ncall};
- }
- } else {
- dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
- return;
- }
- } else {
-
+ if ($parent) {
$dxchan = $parent->dxchan;
if ($dxchan && $dxchan ne $self) {
dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
push @rout, $parent->add_user($call, $flags);
}
+ # send info to all logged in thingies
+ $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
+ $self->tell_buddies('loginb', $call, $ncall);
# add this station to the user database, if required
- $call =~ s/-\d+$//o; # remove ssid for users
+# $call =~ s/-\d+$//o; # remove ssid for users
my $user = DXUser->get_current($call);
$user = DXUser->new($call) if !$user;
$user->homenode($parent->call) if !$user->homenode;
$user->put;
}
$self->route_pc16($origin, $line, $parent, @rout) if @rout;
+
}
# remove a user
RouteDB::delete($ncall, $self->{call});
- # do we believe this call?
- unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
- if (my $ivp = Investigate::get($ncall, $self->{call})) {
- $ivp->store_pcxx($pcno,$line,$origin,@_);
- } else {
- dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
- }
+ unless ($ncall eq $self->{call}) {
+ dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
return;
}
$parent = Route->new($ncall); # throw away
}
+ # send info to all logged in thingies
+ $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
+ $self->tell_buddies('logoutb', $ucall, $ncall);
+
if (eph_dup($line)) {
dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
return;
$self->user->put;
$self->sort('S');
}
+ $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
+ $self->{do_pc92}++ if $_[1] =~ /\bpc92\b/;
} else {
$self->version(50.0);
$self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
return;
}
- # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
- if ($origin ne $self->call) {
- my $op = Route::Node::get($origin);
- unless ($op) {
- $op = $parent->add($origin, 5000, Route::here(1));
- my $user = DXUser->get_current($origin);
- if (!$user) {
- $user = DXUser->new($origin);
- $user->priv(1); # I have relented and defaulted nodes
- $user->lockout(1);
- $user->homenode($origin);
- $user->node($origin);
- $user->wantroutepc19(1);
- }
- $user->sort('A') unless $user->is_node;
- $user->put;
- }
- $parent = $op;
- }
-
# parse the PC19
+ #
+ # We are making a major change from now on. We are only going to accept
+ # PC19s from directly connected nodes. This means that we are probably
+ # going to throw away most of the data that we are being sent.
+ #
+ # The justification for this is that most of it is wrong or out of date
+ # anyway.
+ #
+ # From now on we are only going to believe PC92 data.
+ #
for ($i = 1; $i < $#_-1; $i += 4) {
my $here = $_[$i];
my $call = uc $_[$i+1];
# check for sane parameters
# $ver = 5000 if $ver eq '0000';
+ next unless $ver && $ver =~ /^\d+$/;
next if $ver < 5000; # only works with version 5 software
next if length $call < 3; # min 3 letter callsigns
next if $call eq $main::mycall;
}
$user->sort('A') unless $user->is_node;
- RouteDB::update($call, $self->{call});
-
- # do we believe this call?
- my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
- unless ($call eq $self->{call} || $self->is_believed($call)) {
- my $pt = $user->lastping($self->{call}) || 0;
- if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
- my $ivp = Investigate->new($call, $self->{call});
- $ivp->version($ver);
- $ivp->here($here);
- $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
- } else {
- dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
- }
- $user->put;
- next;
- }
+# if (eph_dup($genline)) {
+# dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
+# next;
+# }
- if (eph_dup($genline)) {
- dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
+ RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
+
+ unless ($dxchan) {
+ dbg("PCPROT: PC19 not directly connected, ignored") if isdbg('chanerr');
next;
}
if ($call ne $parent->call) {
if ($self->in_filter_route($r)) {
$ar = $parent->add($call, $ver, $flags);
- push @rout, $ar if $ar;
+# push @rout, $ar if $ar;
} else {
next;
}
if ($r->version ne $ver || $r->flags != $flags) {
$r->version($ver);
$r->flags($flags);
- push @rout, $r unless $ar;
}
+ push @rout, $r;
} else {
-
- # if he is directly connected or allowed then add him, otherwise store him up for later
if ($call eq $self->{call} || $user->wantroutepc19) {
my $new = Route->new($call); # throw away
if ($self->in_filter_route($new)) {
} else {
next;
}
- } else {
- $pc19list{$call} = [] unless exists $pc19list{$call};
- my $nl = $pc19list{$call};
- push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
}
}
$user->put;
}
-
- $self->route_pc19($origin, $line, @rout) if @rout;
+ # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
+ # but remember there will only be one (pair) these because any extras will be
+ # thrown away.
+ if (@rout) {
+ $self->route_pc21($self->{call}, $line, @rout);
+ $self->route_pc19($self->{call}, $line, @rout);
+ }
}
# send local configuration
}
# delete a cluster from the list
+#
+# This should never occur for directly connected nodes.
+#
sub handle_21
{
my $self = shift;
eph_del_regex("^PC1[679].*$call");
- # if I get a PC21 from the same callsign as self then treat it
- # as a PC39: I have gone away
+ # if I get a PC21 from the same callsign as self then ignore it
if ($call eq $self->call) {
- $self->disconnect(1);
+ dbg("PCPROT: self referencing PC21 from $self->{call}");
return;
}
RouteDB::delete($call, $self->{call});
- # check if we believe this
- unless ($call eq $self->{call} || $self->is_believed($call)) {
- if (my $ivp = Investigate::get($call, $self->{call})) {
- $ivp->store_pcxx($pcno,$line,$origin,@_);
- } else {
- dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
- }
+ my $parent = Route::Node::get($self->{call});
+ unless ($parent) {
+ dbg("PCPROT: my parent $self->{call} has disappeared");
+ $self->disconnect;
return;
}
- # check to see if we are in the pc19list, if we are then don't bother with any of
- # this routing table manipulation, just remove it from the list and dump it
my @rout;
- if (my $nl = $pc19list{$call}) {
- $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
- delete $pc19list{$call} unless @{$pc19list{$call}};
- } else {
-
- my $parent = Route::Node::get($self->{call});
- unless ($parent) {
- dbg("DXPROT: my parent $self->{call} has disappeared");
- $self->disconnect;
- return;
- }
- if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
- my $node = Route::Node::get($call);
- if ($node) {
-
- my $dxchan = DXChannel::get($call);
- if ($dxchan && $dxchan != $self) {
- dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
- return;
- }
-
- # input filter it
- return unless $self->in_filter_route($node);
-
- # routing objects
- push @rout, $node->del($parent);
+
+ if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
+ my $node = Route::Node::get($call);
+ if ($node) {
+
+ my $dxchan = DXChannel::get($call);
+ if ($dxchan && $dxchan != $self) {
+ dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
+ return;
}
- } else {
- dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
- return;
+
+ # input filter it
+ return unless $self->in_filter_route($node);
+
+ # routing objects
+ push @rout, $node->del($parent);
}
+ } else {
+ dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
+ return;
}
$self->route_pc21($origin, $line, @rout) if @rout;
dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
return;
}
- if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
+
+ # global wwv filtering on INPUT
+ my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
+ if ($self->{inwwvfilter}) {
+ my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
+ return;
+ }
+ }
+ $_[7] =~ s/-\d+$//o; # remove spotter's ssid
+ if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
return;
}
- $_[7] =~ s/-\d+$//o; # remove spotter's ssid
- my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
+ # note this only takes the first one it gets
+ Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
my $rep;
eval {
if ($flag == 1) {
$self->send(pc51($from, $to, '0'));
} else {
- # it's a reply, look in the ping list for this one
- my $ref = $pings{$from};
- if ($ref) {
- my $tochan = DXChannel::get($from);
- while (@$ref) {
- my $r = shift @$ref;
- my $dxchan = DXChannel::get($r->{call});
- next unless $dxchan;
- my $t = tv_interval($r->{t}, [ gettimeofday ]);
- if ($dxchan->is_user) {
- my $s = sprintf "%.2f", $t;
- my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
- $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
- } elsif ($dxchan->is_node) {
- if ($tochan) {
- my $nopings = $tochan->user->nopings || $obscount;
- push @{$tochan->{pingtime}}, $t;
- shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
-
- # cope with a missed ping, this means you must set the pingint large enough
- if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
- $t -= $tochan->{pingint};
- }
-
- # calc smoothed RTT a la TCP
- if (@{$tochan->{pingtime}} == 1) {
- $tochan->{pingave} = $t;
- } else {
- $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
- }
- $tochan->{nopings} = $nopings; # pump up the timer
- if (my $ivp = Investigate::get($from, $self->{call})) {
- $ivp->handle_ping;
- }
- } elsif (my $rref = Route::Node::get($r->{call})) {
- if (my $ivp = Investigate::get($from, $self->{call})) {
- $ivp->handle_ping;
- }
- }
- }
- }
- }
+ DXXml::Ping::handle_ping_reply($self, $from);
}
} else {
$self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
}
+# DXSpider routing entries
+sub handle_92
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+
+ $self->{do_pc92} ||= 1;
+}
+
# if get here then rebroadcast the thing with its Hop count decremented (if
# there is one). If it has a hop count and it decrements to zero then don't
# rebroadcast it.
}
foreach $dxchan (@dxchan) {
- next unless $dxchan->is_node();
+ next unless $dxchan->is_node;
+ next if $dxchan->handle_xml;
next if $dxchan == $main::me;
# send the pc50
if ($dxchan->{nopings} <= 0) {
$dxchan->disconnect;
} else {
- addping($main::mycall, $dxchan->call);
+ DXXml::Ping::add($main::me, $dxchan->call);
$dxchan->{nopings} -= 1;
$dxchan->{lastping} = $t;
+ $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
}
}
}
my ($filter, $hops);
if ($self->{wwvfilter}) {
- ($filter, $hops) = $self->{wwvfilter}->it(@_);
+ ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
return unless $filter;
}
send_prot_line($self, $filter, $hops, $isolate, $line)
return ();
}
-
-# add a ping request to the ping queues
-sub addping
-{
- my ($from, $to, $via) = @_;
- my $ref = $pings{$to} || [];
- my $r = {};
- $r->{call} = $from;
- $r->{t} = [ gettimeofday ];
- if ($via && (my $dxchan = DXChannel::get($via))) {
- $dxchan->send(pc51($to, $main::mycall, 1));
- } else {
- route(undef, $to, pc51($to, $main::mycall, 1));
- }
- push @$ref, $r;
- $pings{$to} = $ref;
- my $u = DXUser->get_current($to);
- if ($u) {
- $u->lastping(($via || $from), $main::systime);
- $u->put;
- }
-}
-
sub process_rcmd
{
my ($self, $tonode, $fromnode, $user, $cmd) = @_;
RouteDB::delete_interface($call);
- # remove them from the pc19list as well
- while (my ($k,$v) = each %pc19list) {
- my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
- if (@l) {
- $pc19list{$k} = \@l;
- } else {
- delete $pc19list{$k};
- }
-
- # and the ephemera
- eph_del_regex("^PC1[679].*$k");
- }
-
# unbusy and stop and outgoing mail
my $mref = DXMsg::get_busy($call);
$mref->stop_msg($call) if $mref;
next if $dxchan == $self;
next if $dxchan == $main::me;
next unless $dxchan->isa('DXProt');
+ next if $self->{do_pc92};
next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
$dxchan->send_route($origin, $generate, @_);
}
}
+sub broadcast_route_pc9x
+{
+ my $self = shift;
+ my $origin = shift;
+ my $generate = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all_nodes();
+ my $dxchan;
+
+ unless ($self->{isolate}) {
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $self;
+ next if $dxchan == $main::me;
+ next unless $dxchan->isa('DXProt');
+ next unless $self->{do_pc92};
+
+ $dxchan->send_route($origin, $generate, @_);
+ }
+ }
+}
+
sub route_pc16
{
my $self = shift;
broadcast_route($self, $origin, \&pc50, $line, 1, @_);
}
+sub route_pc92c
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
+}
+
+sub route_pc92a
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
+}
+
+sub route_pc92d
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
+}
+
sub in_filter_route
{
my $self = shift;
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