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($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
41 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
42 $pingint $obscount %pc19list $chatdupeage $chatimportfn
43 $investigation_int $pc19_version $myprot_version
44 %nodehops $baddx $badspotter $badnode $censorpc
45 $allowzero $decode_dk0wcy $send_opernam @checklist
46 $eph_pc15_restime $pc9x_past_age $pc9x_future_age
47 $pc10_dupe_age $pc92_slug_changes $last_pc92_slug
48 $pc92Ain $pc92Cin $pc92Din $pc92Kin
51 $pc9x_past_age = 62*60; # maximum age in the past of a px9x (a config record might be the only
52 # thing a node might send - once an hour)
53 $pc9x_future_age = 2*3600; # maximum age in the future ditto
54 $pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
55 $pc92_slug_changes = 60; # slug any changes going outward for this long
56 $last_pc92_slug = 0; # the last time we sent out any delayed add or del PC92s
58 # incoming talk commands
66 # this is to catch loops caused by bad software ...
67 if (eph_dup($line, $pc10_dupe_age)) {
71 # will we allow it at all?
74 if (@bad = BadWords::check($_[3])) {
75 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
80 # is it for me or one of mine?
81 my ($from, $to, $via, $call, $dxchan);
90 # if this is a 'nodx' node then ignore it
91 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
92 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
96 # if this is a 'bad spotter' user then ignore it
99 if ($badspotter->in($nossid)) {
100 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
104 # if we are converting announces to talk is it a dup?
106 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
107 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
112 # remember a route to this node and also the node on which this user is
113 RouteDB::update($_[6], $self->{call});
114 # RouteDB::update($to, $_[6]);
116 # convert this to a PC93, coming from mycall with origin set and process it as such
117 $main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
128 # route 'foreign' pc26s
130 if ($_[7] ne $main::mycall) {
131 $self->route($_[7], $line);
136 # my ($hops) = $_[8] =~ /^H(\d+)/;
138 # is the spotted callsign blank? This should really be trapped earlier but it
139 # could break other protocol sentences. Also check for lower case characters.
140 if ($_[2] =~ /^\s*$/) {
141 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
144 if ($_[2] =~ /[a-z]/) {
145 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
150 # if this is a 'nodx' node then ignore it
151 if ($badnode->in($_[7])) {
152 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
156 # if this is a 'bad spotter' user then ignore it
158 $nossid =~ s/-\d+$//;
159 if ($badspotter->in($nossid)) {
160 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
164 # convert the date to a unix date
165 my $d = cltounix($_[3], $_[4]);
166 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
167 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
168 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
173 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
174 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
179 $_[5] =~ s/^\s+//; # take any leading blanks off
180 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
181 if ($_[2] =~ /BUST\w*$/) {
182 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
187 if (@bad = BadWords::check($_[5])) {
188 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
194 # RouteDB::update($_[7], $self->{call});
195 # RouteDB::update($_[6], $_[7]);
197 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
198 # global spot filtering on INPUT
199 if ($self->{inspotsfilter}) {
200 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
202 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
207 # this goes after the input filtering, but before the add
208 # so that if it is input filtered, it isn't added to the dup
209 # list. This allows it to come in from a "legitimate" source
210 if (Spot::dup(@spot[0..4,5])) {
211 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
219 # @spot at this point contains:-
220 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
221 # then spotted itu, spotted cq, spotters itu, spotters cq
222 # you should be able to route on any of these
225 # fix up qra locators of known users
226 my $user = DXUser->get_current($spot[4]);
228 my $qra = $user->qra;
229 unless ($qra && is_qra($qra)) {
230 my $lat = $user->lat;
231 my $long = $user->long;
232 if (defined $lat && defined $long) {
233 $user->qra(DXBearing::lltoqra($lat, $long));
238 # send a remote command to a distant cluster if it is visible and there is no
239 # qra locator and we havn't done it for a month.
241 unless ($user->qra) {
243 my $to = $user->homenode;
244 my $last = $user->lastoper || 0;
245 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
246 my $cmd = "forward/opernam $spot[4]";
247 # send the rcmd but we aren't interested in the replies...
248 my $dxchan = $node->dxchan;
249 if ($dxchan && $dxchan->is_clx) {
250 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
252 route(undef, $to, pc34($main::mycall, $to, $cmd));
256 $node = Route::Node::get($to);
258 $dxchan = $node->dxchan;
259 if ($dxchan && $dxchan->is_clx) {
260 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
262 route(undef, $to, pc34($main::mycall, $to, $cmd));
266 $user->lastoper($main::systime);
275 $r = Local::spot($self, @spot);
277 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
280 # DON'T be silly and send on PC26s!
281 return if $pcno == 26;
283 # send out the filtered spots
284 send_dx_spot($self, $line, @spot) if @spot;
295 # announce duplicate checking
296 $_[3] =~ s/^\s+//; # remove leading blanks
300 if (@bad = BadWords::check($_[3])) {
301 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
306 # if this is a 'nodx' node then ignore it
307 if ($badnode->in($_[5])) {
308 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
312 # if this is a 'bad spotter' user then ignore it
314 $nossid =~ s/-\d+$//;
315 if ($badspotter->in($nossid)) {
316 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
323 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
324 $self->send_chat(0, $line, @_[1..6]);
325 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
328 # RouteDB::update($_[5], $self->{call});
329 # RouteDB::update($_[1], $_[5]);
331 # ignore something that looks like a chat line coming in with sysop
332 # flag - this is a kludge...
333 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
334 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
338 # here's a bit of fun, convert incoming ann with a callsign in the first word
339 # or one saying 'to <call>' to a talk if we can route to the recipient
341 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
343 my $ref = Route::get($call);
345 $dxchan = $ref->dxchan;
346 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
353 $self->send_announce(0, $line, @_[1..6]);
355 $self->route($_[2], $line);
366 if (eph_dup($line, $eph_pc15_restime)) {
369 unless ($self->{isolate}) {
370 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
386 my $newline = "PC16^";
388 # dos I want users from this channel?
389 unless ($self->user->wantpc16) {
390 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
395 if ($ncall eq $main::mycall) {
396 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
401 $h = 1 if DXChannel::get($ncall);
402 RouteDB::update($ncall, $self->{call}, $h);
403 if ($h && $self->{call} ne $ncall) {
404 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
408 if (eph_dup($line)) {
412 # isolate now means only accept stuff from this call only
413 if ($self->{isolate} && $ncall ne $self->{call}) {
414 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
418 my $parent = Route::Node::get($ncall);
421 $dxchan = $parent->dxchan;
422 if ($dxchan && $dxchan ne $self) {
423 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
427 # input filter if required
428 return unless $self->in_filter_route($parent);
430 $parent = Route::Node->new($ncall);
434 if ($parent->via_pc92) {
435 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
442 for ($i = 2; $i < $#_; $i++) {
443 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
444 next unless $call && $conf && defined $here && is_callsign($call);
445 next if $call eq $main::mycall;
447 eph_del_regex("^PC17\\^$call\\^$ncall");
449 $conf = $conf eq '*';
451 # reject this if we think it is a node already
452 my $r = Route::Node::get($call);
453 my $u = DXUser->get_current($call) unless $r;
454 if ($r || ($u && $u->is_node)) {
455 dbg("PCPROT: $call is a node") if isdbg('chanerr');
459 $r = Route::User::get($call);
460 my $flags = Route::here($here)|Route::conf($conf);
463 my $au = $r->addparent($parent);
464 if ($r->flags != $flags) {
468 push @rout, $r if $h && $au;
470 my @ans = $parent->add_user($call, $flags);
471 push @rout, @ans if $h && @ans;
474 # add this station to the user database, if required
475 my $user = DXUser->get_current($ncall);
476 $user = DXUser->new($call) unless $user;
477 $user->homenode($parent->call) if !$user->homenode;
478 $user->node($parent->call);
479 $user->lastin($main::systime) unless DXChannel::get($call);
482 # send info to all logged in thingies
483 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
484 $self->tell_buddies('loginb', $call, $ncall);
487 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
488 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
503 eph_del_regex("^PC16\\^$ncall.*$ucall");
505 # do I want users from this channel?
506 unless ($self->user->wantpc16) {
507 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
511 if ($ncall eq $main::mycall) {
512 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
516 # isolate now means only accept stuff from this call only
517 if ($self->{isolate} && $ncall ne $self->{call}) {
518 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
522 RouteDB::delete($ncall, $self->{call});
524 my $uref = Route::User::get($ucall);
526 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
529 my $parent = Route::Node::get($ncall);
531 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
535 $dxchan = DXChannel::get($ncall);
536 if ($dxchan && $dxchan ne $self) {
537 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
542 if ($parent->via_pc92) {
543 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
548 if (DXChannel::get($ucall)) {
549 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
553 # input filter if required and then remove user if present
554 # return unless $self->in_filter_route($parent);
555 $parent->del_user($uref);
557 # send info to all logged in thingies
558 my $user = DXUser->get_current($ncall);
559 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
560 $self->tell_buddies('logoutb', $ucall, $ncall);
562 if (eph_dup($line)) {
566 $self->route_pc17($origin, $line, $parent, $uref);
567 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
577 $self->state('init');
579 my $parent = Route::Node::get($self->{call});
581 # record the type and version offered
582 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
583 $self->{version} = 53 + $version;
584 $self->user->version(53 + $version);
585 $parent->version(0 + $version);
586 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
587 $self->{build} = 0 + $build;
588 $self->user->build(0 + $build);
589 $parent->build(0 + $build);
590 dbg("DXSpider version $version build $build");
591 unless ($self->is_spider) {
592 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
593 $self->user->sort('S');
597 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
599 dbg("Unknown software");
600 $self->version(50.0);
601 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
602 $self->user->version($self->version);
605 if ($_[1] =~ /\bpc9x/) {
606 if ($self->{isolate}) {
607 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
608 } elsif (!$self->user->wantpc9x) {
609 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
611 $self->{do_pc9x} = 1;
612 dbg("Do px9x set on $self->{call}");
616 # first clear out any nodes on this dxchannel
617 my @rout = $parent->del_nodes;
618 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
619 $self->send_local_config();
627 # add this station to the user database, if required (don't remove SSID from nodes)
628 my $user = DXUser->get_current($call);
630 $user = DXUser->new($call);
631 $user->priv(1); # I have relented and defaulted nodes
633 $user->homenode($call);
636 $user->sort('A') unless $user->is_node;
640 # incoming cluster list
649 my $newline = "PC19^";
652 my (@rout, @pc92out);
654 # first get the INTERFACE node
655 my $parent = Route::Node::get($self->{call});
657 dbg("PCPROT: my parent $self->{call} has disappeared");
666 # We are making a major change from now on. We are only going to accept
667 # PC19s from directly connected nodes. This means that we are probably
668 # going to throw away most of the data that we are being sent.
670 # The justification for this is that most of it is wrong or out of date
673 # From now on we are only going to believe PC92 data and locally connected
676 for ($i = 1; $i < $#_-1; $i += 4) {
678 my $call = uc $_[$i+1];
681 next unless defined $here && defined $conf && is_callsign($call);
683 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
685 # check for sane parameters
686 # $ver = 5000 if $ver eq '0000';
687 next unless $ver && $ver =~ /^\d+$/;
688 next if $ver < 5000; # only works with version 5 software
689 next if length $call < 3; # min 3 letter callsigns
690 next if $call eq $main::mycall;
692 # check that this PC19 isn't trying to alter the wrong dxchan
694 my $dxchan = DXChannel::get($call);
696 if ($dxchan == $self) {
699 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
704 # isolate now means only accept stuff from this call only
705 if ($self->{isolate} && $call ne $self->{call}) {
706 dbg("PCPROT: $self->{call} isolated, $call ignored") if isdbg('chanerr');
710 my $user = check_add_node($call);
712 # if (eph_dup($genline)) {
713 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
717 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
720 if ($parent->via_pc92) {
721 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
726 my $r = Route::Node::get($call);
727 my $flags = Route::here($here)|Route::conf($conf);
729 # modify the routing table if it is in it, otherwise store it in the pc19list for now
732 if ($call ne $parent->call) {
733 if ($self->in_filter_route($r)) {
734 $ar = $parent->add($call, $ver, $flags);
735 # push @rout, $ar if $ar;
740 if ($r->version ne $ver || $r->flags != $flags) {
746 if ($call eq $self->{call} || $user->wantroutepc19) {
747 my $new = Route->new($call); # throw away
748 if ($self->in_filter_route($new)) {
749 my $ar = $parent->add($call, $ver, $flags);
750 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
751 push @rout, $ar if $ar;
752 push @pc92out, $r if $h;
759 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
760 my $mref = DXMsg::get_busy($call);
761 $mref->stop_msg($call) if $mref;
763 $user->lastin($main::systime) unless DXChannel::get($call);
767 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
768 # but remember there will only be one (pair) these because any extras will be
771 # $self->route_pc21($self->{call}, $line, @rout);
772 $self->route_pc19($self->{call}, $line, @rout);
774 if (@pc92out && !$pc92_slug_changes) {
775 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
779 # send local configuration
787 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
788 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
789 $self->{do_pc9x} = 0;
791 $self->send_local_config;
793 $self->state('normal');
794 $self->{lastping} = 0;
795 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
798 # delete a cluster from the list
800 # This should never occur for directly connected nodes.
810 eph_del_regex("^PC1[679].*$call");
812 # if I get a PC21 from the same callsign as self then ignore it
813 if ($call eq $self->{call}) {
814 dbg("PCPROT: self referencing PC21 from $self->{call}");
818 # for the above reason and also because of the check for PC21s coming
819 # in for self->call from outside being ignored further down
820 # we don't need any isolation code here, because we will never
821 # act on a PC21 with self->call in it.
823 RouteDB::delete($call, $self->{call});
825 my $parent = Route::Node::get($self->{call});
827 dbg("PCPROT: my parent $self->{call} has disappeared");
834 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
835 my $node = Route::Node::get($call);
838 if ($node->via_pc92) {
839 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
843 my $dxchan = DXChannel::get($call);
844 if ($dxchan && $dxchan != $self) {
845 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
850 return unless $self->in_filter_route($node);
852 # routing objects, force a PC21 if it is local
853 push @rout, $node->del($parent);
854 push @rout, $call if $dxchan && @rout == 0;
857 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
861 if (eph_dup($line)) {
866 $self->route_pc21($origin, $line, @rout);
867 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
879 if ($self->{do_pc9x}) {
880 if ($self->{state} ne 'init92') {
881 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
882 $self->{do_pc9x} = 0;
885 $self->{lastping} = 0;
886 $self->state('normal');
887 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
898 # route foreign' pc27s
900 if ($_[8] ne $main::mycall) {
901 $self->route($_[8], $line);
908 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
909 my $sfi = unpad($_[3]);
910 my $k = unpad($_[4]);
911 my $i = unpad($_[5]);
912 my ($r) = $_[6] =~ /R=(\d+)/;
914 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
915 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
919 # global wwv filtering on INPUT
920 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
921 if ($self->{inwwvfilter}) {
922 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
924 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
928 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
929 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
930 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
934 # note this only takes the first one it gets
935 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
939 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
941 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
944 # DON'T be silly and send on PC27s!
945 return if $pcno == 27;
947 # broadcast to the eager world
948 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
960 $nref = Route::Node::get($call);
961 $uref = Route::User::get($call);
962 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
964 if (eph_dup($line)) {
968 $nref->here($_[2]) if $nref;
969 $uref->here($_[2]) if $uref;
970 my $ref = $nref || $uref;
971 return unless $self->in_filter_route($ref);
973 $self->route_pc24($origin, $line, $ref, $_[3]);
983 if ($_[1] ne $main::mycall) {
984 $self->route($_[1], $line);
987 if ($_[2] eq $main::mycall) {
988 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
992 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
996 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
999 $self->send(pc26(@{$in}[0..4], $_[2]));
1005 my @in = reverse Geomag::search(0, $_[4], time, 1);
1008 $self->send(pc27(@{$in}[0..5], $_[2]));
1013 sub handle_26 {goto &handle_11}
1014 sub handle_27 {goto &handle_23}
1016 # mail/file handling
1023 if ($_[1] eq $main::mycall) {
1025 my $sub = "DXMsg::handle_$pcno";
1028 $self->route($_[1], $line) unless $self->is_clx;
1032 sub handle_29 {goto &handle_28}
1033 sub handle_30 {goto &handle_28}
1034 sub handle_31 {goto &handle_28}
1035 sub handle_32 {goto &handle_28}
1036 sub handle_33 {goto &handle_28}
1044 if (eph_dup($line, $eph_pc34_restime)) {
1047 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1051 # remote command replies
1058 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1059 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1062 sub handle_36 {goto &handle_34}
1071 if ($_[1] eq $main::mycall) {
1073 my $sub = "DXDb::handle_$pcno";
1076 $self->route($_[1], $line) unless $self->is_clx;
1080 # node connected list from neighbour
1089 # incoming disconnect
1096 if ($_[1] eq $self->{call}) {
1097 $self->disconnect(1);
1099 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1103 sub handle_40 {goto &handle_28}
1116 my $l = "PC41^$call^$sort";
1117 if (eph_dup($l, $eph_info_restime)) {
1121 # input filter if required
1122 # my $ref = Route::get($call) || Route->new($call);
1123 # return unless $self->in_filter_route($ref);
1125 if ($val eq $sort || $val =~ /^\s*$/) {
1126 dbg('PCPROT: invalid value') if isdbg('chanerr');
1130 # add this station to the user database, if required
1131 my $user = DXUser->get_current($call);
1132 $user = DXUser->new($call) unless $user;
1135 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1136 dbg("PCPROT: invalid name") if isdbg('chanerr');
1137 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1138 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1143 } elsif ($sort == 2) {
1145 } elsif ($sort == 3) {
1146 if (is_latlong($val)) {
1147 my ($lat, $long) = DXBearing::stoll($val);
1148 $user->lat($lat) if $lat;
1149 $user->long($long) if $long;
1150 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1152 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1155 } elsif ($sort == 4) {
1156 $user->homenode($val);
1157 } elsif ($sort == 5) {
1158 if (is_qra(uc $val)) {
1159 my ($lat, $long) = DXBearing::qratoll(uc $val);
1160 $user->lat($lat) if $lat && !$user->lat;
1161 $user->long($long) if $long && !$user->long;
1162 $user->qra(uc $val);
1164 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1168 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1171 unless ($self->{isolate}) {
1172 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1175 # perhaps this IS what we want after all
1176 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1179 sub handle_42 {goto &handle_28}
1183 sub handle_44 {goto &handle_37}
1184 sub handle_45 {goto &handle_37}
1185 sub handle_46 {goto &handle_37}
1186 sub handle_47 {goto &handle_37}
1187 sub handle_48 {goto &handle_37}
1189 # message and database
1197 if (eph_dup($line)) {
1201 if ($_[1] eq $main::mycall) {
1202 DXMsg::handle_49($self, @_);
1204 $self->route($_[1], $line) unless $self->is_clx;
1208 # keep alive/user list
1216 return if (eph_dup($line));
1220 RouteDB::update($call, $self->{call});
1222 my $node = Route::Node::get($call);
1224 return unless $node->call eq $self->{call};
1225 $node->usercount($_[2]) unless $node->users;
1228 # input filter if required
1229 # return unless $self->in_filter_route($node);
1231 unless ($self->{isolate}) {
1232 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1234 # $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1238 # incoming ping requests/answers
1251 if ($to eq $main::mycall) {
1253 $self->send(pc51($from, $to, '0'));
1255 DXXml::Ping::handle_ping_reply($self, $from);
1259 RouteDB::update($from, $self->{call});
1261 if (eph_dup($line)) {
1264 # route down an appropriate thingy
1265 $self->route($to, $line);
1269 sub handle_61 { goto &handle_11; }
1271 # dunno but route it
1279 if ($call ne $main::mycall) {
1280 $self->route($call, $line);
1294 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1295 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1296 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1299 @_ = map { unpad($_) } @_;
1301 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1305 my $wcy = WCY::update($d, @_[2..12]);
1309 $rep = Local::wcy($self, @_[1..12]);
1311 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1314 # broadcast to the eager world
1315 send_wcy_spot($self, $line, $d, @_[2..12]);
1318 # remote commands (incoming)
1325 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1328 # remote command replies
1335 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1338 # decode a pc92 call: flag call : version : build
1339 sub _decode_pc92_call
1342 my @part = split /:/, $icall;
1343 my ($flag, $call) = unpack "A A*", $part[0];
1344 unless (defined $flag && $flag ge '0' && $flag le '7') {
1345 dbg("PCPROT: $icall no flag byte (0-7) at front of call, ignored") if isdbg('chanerr');
1348 unless ($call && is_callsign($call)) {
1349 dbg("PCPROT: $icall no recognisable callsign, ignored") if isdbg('chanerr');
1352 my $is_node = $flag & 4;
1353 my $is_extnode = $flag & 2;
1354 my $here = $flag & 1;
1355 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1358 # decode a pc92 call: flag call : version : build
1359 sub _encode_pc92_call
1363 # plain call or value
1364 return $ref unless ref $ref;
1368 my $call = $ref->call;
1370 $flag |= $ref->here ? 1 : 0;
1371 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1373 my $dxchan = DXChannel::get($call);
1374 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1376 if ($ref->version) {
1377 my $version = $ref->version || 1.0;
1378 $version = $version * 100 + 5300 if $version < 50;
1379 $extra .= ":" . $version;
1383 return "$flag$call$extra";
1393 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1398 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1399 @rout = $parent->add($call, $version, Route::here($here));
1401 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1402 @rout = $parent->add_user($call, Route::here($here));
1404 if ($pc92_slug_changes && $parent == $main::routeroot) {
1405 $things_add{$call} = Route::get($call);
1406 delete $things_del{$call};
1416 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1421 $ref = Route::Node::get($call);
1422 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1423 @rout = $ref->del($parent) if $ref;
1425 $ref = Route::User::get($call);
1426 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1427 @rout = $parent->del_user($ref) if $ref;
1429 if ($pc92_slug_changes && $parent == $main::routeroot) {
1430 $things_del{$call} = $ref unless exists $things_add{$call};
1431 delete $things_add{$call};
1437 # this will only happen if we are slugging changes and
1438 # there are some changes to be sent, it will create an add or a delete
1440 sub gen_pc92_changes
1442 my @add = values %things_add;
1443 my @del = values %things_del;
1444 return (\@add, \@del);
1447 sub clear_pc92_changes
1449 %things_add = %things_del = ();
1450 $last_pc92_slug = $main::systime;
1459 return $_last_pc9x_id;
1464 if (!$_last_time || $_last_time != $main::systime) {
1465 $_last_time = $main::systime;
1467 return $_last_pc9x_id = $_last_time - $main::systime_daystart;
1470 return $_last_pc9x_id = sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1481 my $parent = ref $call ? $call : Route::Node::get($call);
1483 # we only do this for external calls whose routing table
1484 # record come and go. The reference for mycall is permanent
1485 # and not that frequently used, it also never times out, so
1486 # the id on it is completely unreliable. Besides, only commands
1487 # originating on this box will go through this code...
1488 if ($parent->call ne $main::mycall) {
1489 my $lastid = $parent->lastid;
1490 if (defined $lastid) {
1492 if ($t+86400-$lastid > $pc9x_past_age) {
1493 dbg("PCPROT: dup id on $t <= lastid $lastid, ignored") if isdbg('chanerr');
1496 } elsif ($t == $lastid) {
1497 dbg("PCPROT: dup id on $t == lastid $lastid, ignored") if isdbg('chanerr');
1500 # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
1501 if ($t-$lastid > $pc9x_future_age ) {
1502 dbg("PCPROT: id $t too far in the future of lastid $lastid, ignored") if isdbg('chanerr');
1509 $parent = Route::Node->new($call);
1511 $parent->lastid($t) if $parent;
1516 sub pc92_handle_first_slot
1522 my $oparent = $parent;
1526 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$slot;
1527 if ($call && $is_node) {
1528 if ($call eq $main::mycall) {
1529 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1532 # this is only accepted from my "self".
1533 # this also kills configs from PC92 nodes with external PC19 nodes that are also
1534 # locally connected. Local nodes always take precedence. But we remember the lastid
1535 # to try to reduce the number of dupe PC92s for this external node.
1536 if (DXChannel::get($call) && $call ne $self->{call}) {
1537 $parent = check_pc9x_t($call, $t, 92); # this will update the lastid time
1538 dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1542 # reparent to external node (note that we must have received a 'C' or 'A' record
1543 # from the true parent node for this external before we get one for the this node
1544 unless ($parent = Route::Node::get($call)) {
1545 if ($is_extnode && $oparent) {
1546 @radd = _add_thingy($oparent, $slot);
1549 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1553 $parent = check_pc9x_t($call, $t, 92) || return;
1554 $parent->via_pc92(1);
1555 $parent->PC92C_dxchan($self->{call});
1558 dbg("PCPROT: must be \$mycall or external node as first entry, ignored") if isdbg('chanerr');
1561 $parent->here(Route::here($here));
1562 $parent->version($version || $pc19_version) if $version;
1563 $parent->build($build) if $build;
1564 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1565 return ($parent, @radd);
1568 # DXSpider routing entries
1582 if ($pcall eq $main::mycall) {
1583 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1587 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1588 if ($self->{isolate}) {
1589 dbg("PC9x received, but $pcall is isolated, ignored");
1591 } elsif (!$self->user->wantpc9x) {
1592 dbg("PC9x explicitly switched off on $pcall, ignored");
1595 $self->state('init92');
1596 $self->{do_pc9x} = 1;
1597 dbg("Do pc9x set on $pcall");
1600 unless ($self->{do_pc9x}) {
1601 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1605 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1606 my $oparent = $parent;
1608 $parent->do_pc9x(1);
1609 $parent->via_pc92(1);
1611 if ($sort eq 'F' || $sort eq 'R') {
1613 # this is the route finding section
1614 # here is where the consequences of the 'find' command
1624 if ($ref = DXChannel::get($target)) {
1625 $flag = 1; # we are directly connected
1627 $ref = Route::get($target);
1628 $dxchan = $ref->dxchan;
1631 if ($ref && $flag && $dxchan) {
1632 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1635 } elsif ($sort eq 'R') {
1636 if (my $dxchan = DXChannel::get($from)) {
1637 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1639 my $ref = Route::get($from);
1641 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1643 $_->send($line) for @dxchan;
1645 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1648 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1654 } elsif ($sort eq 'K') {
1655 $pc92Kin += length $line if $sort eq 'K';
1657 # remember the last channel we arrived on
1658 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1660 my @ent = _decode_pc92_call($_[4]);
1665 ($parent, $add) = $self->pc92_handle_first_slot(\@ent, $parent, $t);
1666 return unless $parent; # dupe
1668 push @radd, $add if $add;
1670 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1672 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1674 $pc92Ain += length $line if $sort eq 'A';
1675 $pc92Cin += length $line if $sort eq 'C';
1676 $pc92Din += length $line if $sort eq 'D';
1678 # remember the last channel we arrived on
1679 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1681 # this is the main route section
1682 # here is where all the routes are created and destroyed
1684 # cope with missing duplicate node calls in the first slot
1685 my $me = $_[4] || '';
1686 $me ||= _encode_pc92_call($parent) unless $me ;
1688 my @ent = map {my @a = _decode_pc92_call($_); @a ? \@a : ()} grep {$_ && /^[0-7]/} $me, @_[5 .. $#_];
1692 # look at the first one which will always be a node of some sort
1693 # except in the case of 'A' or 'D' in which the $pcall is used
1694 # otherwise use the node call and update any information
1695 # that needs to be done.
1698 ($parent, $add) = $self->pc92_handle_first_slot($ent[0], $parent, $t);
1699 return unless $parent; # dupe
1702 push @radd, $add if $add;
1705 # do a pass through removing any references to either locally connected nodes or mycall
1708 next unless $_ && @$_;
1709 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1710 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1718 push @radd, _add_thingy($parent, $_);
1720 } elsif ($sort eq 'D') {
1722 push @rdel, _del_thingy($parent, $_);
1724 } elsif ($sort eq 'C') {
1725 my (@nodes, @users);
1727 # we reset obscounts on config records as well as K records
1729 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1732 foreach my $r (@nent) {
1733 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1736 push @nodes, $r->[0];
1738 push @users, $r->[0];
1741 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1745 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1748 foreach my $r (@nent) {
1751 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1755 foreach my $r (@$dnodes) {
1756 push @rdel,_del_thingy($parent, [$r, 1]);
1758 foreach my $r (@$dusers) {
1759 push @rdel,_del_thingy($parent, [$r, 0]);
1762 # remember this last PC92C for rebroadcast on demand
1763 $parent->last_PC92C($line);
1765 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1769 foreach my $r (@rdel) {
1772 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1773 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1775 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1776 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1777 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1778 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1779 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1782 # broadcast it if we get here
1783 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1794 # $self->{do_pc9x} ||= 1;
1796 my $pcall = $_[1]; # this is now checked earlier
1798 # remember that we are converting PC10->PC93 and self will be $main::me if it
1800 unless ($self->{do_pc9x}) {
1801 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1806 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1809 my $from = uc $_[4];
1812 my $onode = uc $_[7];
1813 $onode = $pcall if @_ <= 8;
1815 # this is catch loops caused by bad software ...
1816 if (eph_dup("PC93|$from|$text|$onode", $pc10_dupe_age)) {
1820 # will we allow it at all?
1823 if (@bad = BadWords::check($text)) {
1824 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1829 # if this is a 'bad spotter' user then ignore it
1831 $nossid =~ s/-\d+$//;
1832 if ($badspotter->in($nossid)) {
1833 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1837 # if it is routeable then then treat it like a talk
1838 my $ref = Route::get($to);
1842 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1843 $dxchan = DXChannel::get($to) unless $dxchan;
1846 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1847 if ($dxchan->is_user) {
1848 $dxchan->talk($from, $to, $via, $text, $onode);
1852 dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
1856 # convert to PC10 talks where appropriate
1857 # just go for the "best" one for now (rather than broadcast)
1858 $dxchan = $ref->dxchan;
1861 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1862 if ($dxchan->{do_pc9x}) {
1863 $dxchan->send($line);
1865 $dxchan->talk($from, $to, $via, $text, $onode);
1868 dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
1872 } elsif ($to eq '*' || $to eq 'SYSOP' || $to eq 'WX') {
1874 my $sysop = $to eq 'SYSOP' ? '*' : ' ';
1875 my $wx = $to eq 'WX' ? '1' : '0';
1876 my $local = $via eq 'LOCAL' ? '*' : $via;
1878 $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1879 return if $via eq 'LOCAL';
1880 } elsif (!is_callsign($to) && $text =~ /^#\d+ /) {
1881 # chat messages to non-pc9x nodes
1882 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1884 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1887 # if get here then rebroadcast the thing with its Hop count decremented (if
1888 # there is one). If it has a hop count and it decrements to zero then don't
1891 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1902 unless (eph_dup($line)) {
1905 unless (is_callsign($pcall)) {
1906 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1910 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1911 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1913 unless ($self->{isolate}) {
1914 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me