3 # This module impliments the handlers for the protocal mode for a dx cluster
5 # Copyright (c) 1998-2006 Dirk Koopman G1TLH
40 use vars qw($VERSION $BRANCH);
41 ($VERSION, $BRANCH) = dxver(q$Revision$);
43 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
44 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
45 $pingint $obscount %pc19list $chatdupeage $chatimportfn
46 $investigation_int $pc19_version $myprot_version
47 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
48 $allowzero $decode_dk0wcy $send_opernam @checklist
52 # incoming talk commands
61 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
63 # will we allow it at all?
66 if (@bad = BadWords::check($_[3])) {
67 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
72 # is it for me or one of mine?
73 my ($from, $to, $via, $call, $dxchan);
82 # if this is a 'nodx' node then ignore it
83 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
84 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
88 # if this is a 'bad spotter' user then ignore it
91 if ($badspotter->in($nossid)) {
92 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
96 # if we are converting announces to talk is it a dup?
98 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
99 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
104 # remember a route to this node and also the node on which this user is
105 RouteDB::update($_[6], $self->{call});
106 # RouteDB::update($to, $_[6]);
108 # it is here and logged on
109 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
110 $dxchan = DXChannel::get($to) unless $dxchan;
111 if ($dxchan && $dxchan->is_user) {
113 $dxchan->talk($from, $to, $via, $_[3]);
117 # is it elsewhere, visible on the cluster via the to address?
118 # note: this discards the via unless the to address is on
121 if ($ref = Route::get($to)) {
122 $vref = Route::Node::get($via) if $via;
123 $vref = undef unless $vref && grep $to eq $_, $vref->users;
124 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
128 # can we see an interface to send it down?
130 # not visible here, send a message of condolence
132 $ref = Route::get($from);
133 $vref = $ref = Route::Node::get($_[6]) unless $ref;
135 $dxchan = $ref->dxchan;
136 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
148 # route 'foreign' pc26s
150 if ($_[7] ne $main::mycall) {
151 $self->route($_[7], $line);
157 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
159 # is the spotted callsign blank? This should really be trapped earlier but it
160 # could break other protocol sentences. Also check for lower case characters.
161 if ($_[2] =~ /^\s*$/) {
162 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
165 if ($_[2] =~ /[a-z]/) {
166 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
171 # if this is a 'nodx' node then ignore it
172 if ($badnode->in($_[7])) {
173 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
177 # if this is a 'bad spotter' user then ignore it
179 $nossid =~ s/-\d+$//;
180 if ($badspotter->in($nossid)) {
181 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
185 # convert the date to a unix date
186 my $d = cltounix($_[3], $_[4]);
187 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
188 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
189 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
194 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
195 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
200 $_[5] =~ s/^\s+//; # take any leading blanks off
201 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
202 if ($_[2] =~ /BUST\w*$/) {
203 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
208 if (@bad = BadWords::check($_[5])) {
209 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
215 # RouteDB::update($_[7], $self->{call});
216 # RouteDB::update($_[6], $_[7]);
218 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
219 # global spot filtering on INPUT
220 if ($self->{inspotsfilter}) {
221 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
223 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
228 # this goes after the input filtering, but before the add
229 # so that if it is input filtered, it isn't added to the dup
230 # list. This allows it to come in from a "legitimate" source
231 if (Spot::dup(@spot[0..4,5])) {
232 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
240 # @spot at this point contains:-
241 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
242 # then spotted itu, spotted cq, spotters itu, spotters cq
243 # you should be able to route on any of these
246 # fix up qra locators of known users
247 my $user = DXUser->get_current($spot[4]);
249 my $qra = $user->qra;
250 unless ($qra && is_qra($qra)) {
251 my $lat = $user->lat;
252 my $long = $user->long;
253 if (defined $lat && defined $long) {
254 $user->qra(DXBearing::lltoqra($lat, $long));
259 # send a remote command to a distant cluster if it is visible and there is no
260 # qra locator and we havn't done it for a month.
262 unless ($user->qra) {
264 my $to = $user->homenode;
265 my $last = $user->lastoper || 0;
266 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
267 my $cmd = "forward/opernam $spot[4]";
268 # send the rcmd but we aren't interested in the replies...
269 my $dxchan = $node->dxchan;
270 if ($dxchan && $dxchan->is_clx) {
271 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
273 route(undef, $to, pc34($main::mycall, $to, $cmd));
277 $node = Route::Node::get($to);
279 $dxchan = $node->dxchan;
280 if ($dxchan && $dxchan->is_clx) {
281 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
283 route(undef, $to, pc34($main::mycall, $to, $cmd));
287 $user->lastoper($main::systime);
296 $r = Local::spot($self, @spot);
298 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
301 # DON'T be silly and send on PC26s!
302 return if $pcno == 26;
304 # send out the filtered spots
305 send_dx_spot($self, $line, @spot) if @spot;
316 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
318 # announce duplicate checking
319 $_[3] =~ s/^\s+//; # remove leading blanks
323 if (@bad = BadWords::check($_[3])) {
324 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
329 # if this is a 'nodx' node then ignore it
330 if ($badnode->in($_[5])) {
331 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
335 # if this is a 'bad spotter' user then ignore it
337 $nossid =~ s/-\d+$//;
338 if ($badspotter->in($nossid)) {
339 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
346 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
347 $self->send_chat($line, @_[1..6]);
348 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
351 # RouteDB::update($_[5], $self->{call});
352 # RouteDB::update($_[1], $_[5]);
354 # ignore something that looks like a chat line coming in with sysop
355 # flag - this is a kludge...
356 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
357 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
361 # here's a bit of fun, convert incoming ann with a callsign in the first word
362 # or one saying 'to <call>' to a talk if we can route to the recipient
364 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
366 my $ref = Route::get($call);
368 $dxchan = $ref->dxchan;
369 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
376 $self->send_announce($line, @_[1..6]);
378 $self->route($_[2], $line);
389 if (eph_dup($line, $eph_pc15_restime)) {
390 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
392 unless ($self->{isolate}) {
393 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
409 my $newline = "PC16^";
411 # dos I want users from this channel?
412 unless ($self->user->wantpc16) {
413 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
417 if ($ncall eq $main::mycall) {
418 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
423 $h = 1 if DXChannel::get($ncall);
424 RouteDB::update($ncall, $self->{call}, $h);
426 if (eph_dup($line)) {
427 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
432 dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
436 my $parent = Route::Node::get($ncall);
439 $dxchan = $parent->dxchan;
440 if ($dxchan && $dxchan ne $self) {
441 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
445 # input filter if required
446 return unless $self->in_filter_route($parent);
451 for ($i = 2; $i < $#_; $i++) {
452 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
453 next unless $call && $conf && defined $here && is_callsign($call);
454 next if $call eq $main::mycall;
456 eph_del_regex("^PC17\\^$call\\^$ncall");
458 $conf = $conf eq '*';
460 # reject this if we think it is a node already
461 my $r = Route::Node::get($call);
462 my $u = DXUser->get_current($call) unless $r;
463 if ($r || ($u && $u->is_node)) {
464 dbg("PCPROT: $call is a node") if isdbg('chanerr');
468 $r = Route::User::get($call);
469 my $flags = Route::here($here)|Route::conf($conf);
472 my $au = $r->addparent($parent);
473 if ($r->flags != $flags) {
477 push @rout, $r if $au;
479 push @rout, $parent->add_user($call, $flags);
482 # send info to all logged in thingies
483 $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
484 $self->tell_buddies('loginb', $call, $ncall);
486 # add this station to the user database, if required
487 # $call =~ s/-\d+$//o; # remove ssid for users
488 my $user = DXUser->get_current($call);
489 $user = DXUser->new($call) if !$user;
490 $user->homenode($parent->call) if !$user->homenode;
491 $user->node($parent->call);
492 $user->lastin($main::systime) unless DXChannel::get($call);
496 $self->route_pc16($origin, $line, $parent, @rout);
497 $self->route_pc92a($main::mycall, undef, $parent, @rout) if $self->{state} eq 'normal';
512 eph_del_regex("^PC16\\^$ncall.*$ucall");
514 # do I want users from this channel?
515 unless ($self->user->wantpc16) {
516 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
519 if ($ncall eq $main::mycall) {
520 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
524 RouteDB::delete($ncall, $self->{call});
526 unless ($ncall eq $self->{call}) {
527 dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
531 my $uref = Route::User::get($ucall);
533 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
535 my $parent = Route::Node::get($ncall);
537 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
540 $dxchan = $parent->dxchan if $parent;
541 if ($dxchan && $dxchan ne $self) {
542 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
546 # input filter if required and then remove user if present
548 # return unless $self->in_filter_route($parent);
549 $parent->del_user($uref) if $uref;
551 $parent = Route->new($ncall); # throw away
554 # send info to all logged in thingies
555 $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
556 $self->tell_buddies('logoutb', $ucall, $ncall);
558 if (eph_dup($line)) {
559 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
563 $uref = Route->new($ucall) unless $uref; # throw away
564 $self->route_pc17($origin, $line, $parent, $uref);
565 $self->route_pc92d($main::mycall, undef, $parent, $uref);
575 $self->state('init');
577 # record the type and version offered
578 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
579 $self->version(53 + $1);
580 $self->user->version(53 + $1);
581 $self->build(0 + $2);
582 $self->user->build(0 + $2);
583 unless ($self->is_spider) {
584 $self->user->sort('S');
588 $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
589 $self->{do_pc92}++ if $_[1] =~ /\bpc92\b/;
591 $self->version(50.0);
592 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
593 $self->user->version($self->version);
596 # first clear out any nodes on this dxchannel
597 my $parent = Route::Node::get($self->{call});
598 my @rout = $parent->del_nodes;
599 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
600 $self->send_local_config();
608 # add this station to the user database, if required (don't remove SSID from nodes)
609 my $user = DXUser->get_current($call);
611 $user = DXUser->new($call);
612 $user->priv(1); # I have relented and defaulted nodes
614 $user->homenode($call);
617 $user->sort('A') unless $user->is_node;
621 # incoming cluster list
630 my $newline = "PC19^";
635 # first get the INTERFACE node
636 my $parent = Route::Node::get($self->{call});
638 dbg("DXPROT: my parent $self->{call} has disappeared");
645 # We are making a major change from now on. We are only going to accept
646 # PC19s from directly connected nodes. This means that we are probably
647 # going to throw away most of the data that we are being sent.
649 # The justification for this is that most of it is wrong or out of date
652 # From now on we are only going to believe PC92 data and locally connected
655 for ($i = 1; $i < $#_-1; $i += 4) {
657 my $call = uc $_[$i+1];
660 next unless defined $here && defined $conf && is_callsign($call);
662 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
664 # check for sane parameters
665 # $ver = 5000 if $ver eq '0000';
666 next unless $ver && $ver =~ /^\d+$/;
667 next if $ver < 5000; # only works with version 5 software
668 next if length $call < 3; # min 3 letter callsigns
669 next if $call eq $main::mycall;
671 # check that this PC19 isn't trying to alter the wrong dxchan
672 my $dxchan = DXChannel::get($call);
673 if ($dxchan && $dxchan != $self) {
674 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
678 my $user = check_add_node($call);
680 # if (eph_dup($genline)) {
681 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
685 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
688 dbg("PCPROT: PC19 not directly connected, ignored") if isdbg('chanerr');
692 my $r = Route::Node::get($call);
693 my $flags = Route::here($here)|Route::conf($conf);
695 # modify the routing table if it is in it, otherwise store it in the pc19list for now
698 if ($call ne $parent->call) {
699 if ($self->in_filter_route($r)) {
700 $ar = $parent->add($call, $ver, $flags);
701 # push @rout, $ar if $ar;
706 if ($r->version ne $ver || $r->flags != $flags) {
712 if ($call eq $self->{call} || $user->wantroutepc19) {
713 my $new = Route->new($call); # throw away
714 if ($self->in_filter_route($new)) {
715 my $ar = $parent->add($call, $ver, $flags);
716 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
717 push @rout, $ar if $ar;
724 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
725 my $mref = DXMsg::get_busy($call);
726 $mref->stop_msg($call) if $mref;
728 $user->lastin($main::systime) unless DXChannel::get($call);
732 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
733 # but remember there will only be one (pair) these because any extras will be
736 $self->route_pc21($self->{call}, $line, @rout);
737 $self->route_pc19($self->{call}, $line, @rout);
738 $self->route_pc92a($main::mycall, $line, $main::routeroot, @rout) if $self->{state} eq 'normal';
742 sub send_delayed_pc92
746 # send out delayed PC92 config for this node if it is external
747 unless ($self->{do_pc92}) {
748 my $node = Route::Node::get($self->{call});
750 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
751 $self->route_pc92c($main::mycall, undef, $node, @rout);
756 # send local configuration
763 $self->send_local_config();
765 $self->state('normal');
766 $self->{lastping} = 0;
767 $self->send_delayed_pc92;
770 # delete a cluster from the list
772 # This should never occur for directly connected nodes.
782 eph_del_regex("^PC1[679].*$call");
784 # if I get a PC21 from the same callsign as self then ignore it
785 if ($call eq $self->call) {
786 dbg("PCPROT: self referencing PC21 from $self->{call}");
790 RouteDB::delete($call, $self->{call});
792 my $parent = Route::Node::get($self->{call});
794 dbg("PCPROT: my parent $self->{call} has disappeared");
801 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
802 my $node = Route::Node::get($call);
805 my $dxchan = DXChannel::get($call);
806 if ($dxchan && $dxchan != $self) {
807 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
812 return unless $self->in_filter_route($node);
814 # routing objects, force a PC21 if it is local
815 push @rout, $node->del($parent);
816 push @rout, $call if $dxchan && @rout == 0;
819 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
824 $self->route_pc21($origin, $line, @rout);
825 $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
836 $self->state('normal');
837 $self->{lastping} = 0;
839 $self->send_delayed_pc92
850 # route foreign' pc27s
852 if ($_[8] ne $main::mycall) {
853 $self->route($_[8], $line);
858 # only do a rspf check on PC23 (not 27)
860 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
864 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
865 my $sfi = unpad($_[3]);
866 my $k = unpad($_[4]);
867 my $i = unpad($_[5]);
868 my ($r) = $_[6] =~ /R=(\d+)/;
870 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
871 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
875 # global wwv filtering on INPUT
876 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
877 if ($self->{inwwvfilter}) {
878 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
880 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
884 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
885 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
886 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
890 # note this only takes the first one it gets
891 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
895 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
897 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
900 # DON'T be silly and send on PC27s!
901 return if $pcno == 27;
903 # broadcast to the eager world
904 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
916 $nref = Route::Node::get($call);
917 $uref = Route::User::get($call);
918 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
920 if (eph_dup($line)) {
921 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
925 $nref->here($_[2]) if $nref;
926 $uref->here($_[2]) if $uref;
927 my $ref = $nref || $uref;
928 return unless $self->in_filter_route($ref);
930 $self->route_pc24($origin, $line, $ref, $_[3]);
940 if ($_[1] ne $main::mycall) {
941 $self->route($_[1], $line);
944 if ($_[2] eq $main::mycall) {
945 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
949 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
953 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
956 $self->send(pc26(@{$in}[0..4], $_[2]));
962 my @in = reverse Geomag::search(0, $_[4], time, 1);
965 $self->send(pc27(@{$in}[0..5], $_[2]));
970 sub handle_26 {goto &handle_11}
971 sub handle_27 {goto &handle_23}
980 if ($_[1] eq $main::mycall) {
982 my $sub = "DXMsg::handle_$pcno";
985 $self->route($_[1], $line) unless $self->is_clx;
989 sub handle_29 {goto &handle_28}
990 sub handle_30 {goto &handle_28}
991 sub handle_31 {goto &handle_28}
992 sub handle_32 {goto &handle_28}
993 sub handle_33 {goto &handle_28}
1001 if (eph_dup($line, $eph_pc34_restime)) {
1002 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1004 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1008 # remote command replies
1015 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1016 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1019 sub handle_36 {goto &handle_34}
1028 if ($_[1] eq $main::mycall) {
1030 my $sub = "DXDb::handle_$pcno";
1033 $self->route($_[1], $line) unless $self->is_clx;
1037 # node connected list from neighbour
1046 # incoming disconnect
1053 if ($_[1] eq $self->{call}) {
1054 $self->disconnect(1);
1056 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1060 sub handle_40 {goto &handle_28}
1072 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1073 if (eph_dup($l, $eph_info_restime)) {
1074 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1078 # input filter if required
1079 # my $ref = Route::get($call) || Route->new($call);
1080 # return unless $self->in_filter_route($ref);
1082 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1083 dbg('PCPROT: invalid value') if isdbg('chanerr');
1087 # add this station to the user database, if required
1088 my $user = DXUser->get_current($call);
1089 $user = DXUser->new($call) unless $user;
1093 } elsif ($_[2] == 2) {
1095 } elsif ($_[2] == 3) {
1096 if (is_latlong($_[3])) {
1097 my ($lat, $long) = DXBearing::stoll($_[3]);
1100 $user->qra(DXBearing::lltoqra($lat, $long));
1102 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1105 } elsif ($_[2] == 4) {
1106 $user->homenode($_[3]);
1107 } elsif ($_[2] == 5) {
1108 if (is_qra(uc $_[3])) {
1109 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1112 $user->qra(uc $_[3]);
1114 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1118 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1121 unless ($self->{isolate}) {
1122 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1125 # perhaps this IS what we want after all
1126 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1129 sub handle_42 {goto &handle_28}
1133 sub handle_44 {goto &handle_37}
1134 sub handle_45 {goto &handle_37}
1135 sub handle_46 {goto &handle_37}
1136 sub handle_47 {goto &handle_37}
1137 sub handle_48 {goto &handle_37}
1139 # message and database
1147 if (eph_dup($line)) {
1148 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1152 if ($_[1] eq $main::mycall) {
1153 DXMsg::handle_49($self, @_);
1155 $self->route($_[1], $line) unless $self->is_clx;
1159 # keep alive/user list
1169 RouteDB::update($call, $self->{call});
1171 my $node = Route::Node::get($call);
1173 return unless $node->call eq $self->{call};
1174 $node->usercount($_[2]);
1176 # input filter if required
1177 return unless $self->in_filter_route($node);
1179 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1183 # incoming ping requests/answers
1196 if ($to eq $main::mycall) {
1198 $self->send(pc51($from, $to, '0'));
1200 DXXml::Ping::handle_ping_reply($self, $from);
1204 RouteDB::update($from, $self->{call});
1206 if (eph_dup($line)) {
1207 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1210 # route down an appropriate thingy
1211 $self->route($to, $line);
1215 # dunno but route it
1223 if ($call ne $main::mycall) {
1224 $self->route($call, $line);
1238 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1239 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1240 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1243 @_ = map { unpad($_) } @_;
1245 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1249 my $wcy = WCY::update($d, @_[2..12]);
1253 $rep = Local::wcy($self, @_[1..12]);
1255 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1258 # broadcast to the eager world
1259 send_wcy_spot($self, $line, $d, @_[2..12]);
1262 # remote commands (incoming)
1269 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1272 # remote command replies
1279 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1282 # decode a pc92 call: flag call : version : build
1283 sub _decode_pc92_call
1286 my @part = split /:/, $icall;
1287 my ($flag, $call) = unpack "A A*", $part[0];
1288 return () unless defined $flag && $flag ge '0' && $flag le '7';
1289 return () unless $call && is_callsign($call);
1290 my $is_node = $flag & 4;
1291 my $is_extnode = $flag & 2;
1292 my $here = $flag & 1;
1293 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1296 # decode a pc92 call: flag call : version : build
1297 sub _encode_pc92_call
1302 my $call = $ref->call;
1304 $flag |= $ref->here ? 1 : 0;
1305 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1307 my $dxchan = DXChannel::get($call);
1308 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc92};
1310 if ($ref->version) {
1311 my $version = $ref->version || 1.0;
1312 $version = $version * 100 + 5300 if $version < 50;
1313 $extra .= ":" . $version;
1317 return "$flag$call$extra";
1324 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($s);
1329 @rout = $parent->add($call, $version, Route::here($here));
1331 @rout = $parent->add_user($call, Route::here($here));
1341 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($s);
1345 my $nref = Route::Node::get($call);
1346 @rout = $nref->del($parent) if $nref;
1348 my $uref = Route::User::get($call);
1349 @rout = $parent->del_user($uref) if $uref;
1360 if (!$_last_time || $_last_time != $main::systime) {
1361 $_last_time = $main::systime;
1363 return $_last_time - $main::systime_daystart;
1366 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1377 my $parent = ref $call ? $call : Route::Node::get($call);
1379 my $lastid = $parent->lastid->{$pc} || 0;
1380 $t += 86400 if $t < $lastid - 43200;
1381 if ($lastid >= $t) {
1382 dbg("PCPROT: dup / old id on $call <= $lastid, ignored") if isdbg('chanerr');
1385 $t -= 86400 if $t >= 86400;
1387 $parent = Route::Node->new($call);
1389 $parent->lastid->{$pc} = $t;
1394 # DXSpider routing entries
1402 $self->{do_pc92} ||= 1;
1406 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1412 my @ent = grep {$_ && /^[0-7]/} @_[4 .. $#_];
1414 if ($pcall eq $main::mycall) {
1415 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1419 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1421 $parent->lastid->{92} = $t;
1422 $parent->do_pc92(1);
1426 # look at the first one which will always be a node of some sort
1427 # and update any information that needs to be done.
1428 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($ent[0]);
1429 if ($call && $is_node) {
1430 if ($call eq $main::mycall) {
1431 dbg("PCPROT: looped back on node entry, ignored") if isdbg('chanerr');
1435 # reparent to external node (note that we must have received a 'C' or 'A' record
1436 # from the true parent node for this external before we get one for the this node
1437 unless ($parent = Route::Node::get($call)) {
1438 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1441 my $parent = check_pc9x_t($call, $t, 92) || return;
1444 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1447 $parent->here(Route::here($here));
1448 $parent->version($version) if $version && $version > $parent->version;
1449 $parent->build($build) if $build && $build > $parent->build;
1457 push @radd, _add_thingy($parent, $_);
1459 } elsif ($sort eq 'D') {
1461 push @rdel, _del_thingy($parent, $_);
1463 } elsif ($sort eq 'C') {
1464 my (@nodes, @users);
1466 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1474 dbg("DXPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1478 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1481 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1483 push @radd,_add_thingy($parent, $_) if grep $call eq $_, (@$nnodes, @$nusers);
1484 push @rdel,_del_thingy($parent, $_) if grep $call eq $_, (@$dnodes, @$dusers);
1488 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1492 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1493 foreach my $r (@rdel) {
1496 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1497 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1499 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1500 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1501 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1502 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1505 # if get here then rebroadcast the thing with its Hop count decremented (if
1506 # there is one). If it has a hop count and it decrements to zero then don't
1509 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1520 if (eph_dup($line)) {
1521 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1523 unless ($self->{isolate}) {
1524 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me