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 $rspfcheck
45 $allowzero $decode_dk0wcy $send_opernam @checklist
46 $eph_pc15_restime $pc9x_past_age $pc9x_future_age
49 $pc9x_past_age = 15*60; # maximum age in the past of a px9x
50 $pc9x_future_age = 5*60; # maximum age in the future ditto
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, $_[3])) {
99 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
104 # remember a route to this node and also the node on which this user is
105 RouteDB::update($_[6], $self->{call});
106 # RouteDB::update($to, $_[6]);
108 # convert this to a PC93 and process it as such
109 $self->normal(pc93($to, $from, $via, $_[3], $_[6]));
112 # this is all redundant but kept for now for reference
114 # it is here and logged on
115 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
116 $dxchan = DXChannel::get($to) unless $dxchan;
117 if ($dxchan && $dxchan->is_user) {
119 $dxchan->talk($from, $to, $via, $_[3]);
123 # is it elsewhere, visible on the cluster via the to address?
124 # note: this discards the via unless the to address is on
127 if ($ref = Route::get($to)) {
128 $vref = Route::Node::get($via) if $via;
129 $vref = undef unless $vref && grep $to eq $_, $vref->users;
130 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
134 # can we see an interface to send it down?
136 # not visible here, send a message of condolence
138 $ref = Route::get($from);
139 $vref = $ref = Route::Node::get($_[6]) unless $ref;
141 $dxchan = $ref->dxchan;
142 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
154 # route 'foreign' pc26s
156 if ($_[7] ne $main::mycall) {
157 $self->route($_[7], $line);
163 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
165 # is the spotted callsign blank? This should really be trapped earlier but it
166 # could break other protocol sentences. Also check for lower case characters.
167 if ($_[2] =~ /^\s*$/) {
168 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
171 if ($_[2] =~ /[a-z]/) {
172 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
177 # if this is a 'nodx' node then ignore it
178 if ($badnode->in($_[7])) {
179 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
183 # if this is a 'bad spotter' user then ignore it
185 $nossid =~ s/-\d+$//;
186 if ($badspotter->in($nossid)) {
187 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
191 # convert the date to a unix date
192 my $d = cltounix($_[3], $_[4]);
193 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
194 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
195 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
200 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
201 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
206 $_[5] =~ s/^\s+//; # take any leading blanks off
207 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
208 if ($_[2] =~ /BUST\w*$/) {
209 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
214 if (@bad = BadWords::check($_[5])) {
215 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
221 # RouteDB::update($_[7], $self->{call});
222 # RouteDB::update($_[6], $_[7]);
224 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
225 # global spot filtering on INPUT
226 if ($self->{inspotsfilter}) {
227 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
229 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
234 # this goes after the input filtering, but before the add
235 # so that if it is input filtered, it isn't added to the dup
236 # list. This allows it to come in from a "legitimate" source
237 if (Spot::dup(@spot[0..4,5])) {
238 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
246 # @spot at this point contains:-
247 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
248 # then spotted itu, spotted cq, spotters itu, spotters cq
249 # you should be able to route on any of these
252 # fix up qra locators of known users
253 my $user = DXUser->get_current($spot[4]);
255 my $qra = $user->qra;
256 unless ($qra && is_qra($qra)) {
257 my $lat = $user->lat;
258 my $long = $user->long;
259 if (defined $lat && defined $long) {
260 $user->qra(DXBearing::lltoqra($lat, $long));
265 # send a remote command to a distant cluster if it is visible and there is no
266 # qra locator and we havn't done it for a month.
268 unless ($user->qra) {
270 my $to = $user->homenode;
271 my $last = $user->lastoper || 0;
272 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
273 my $cmd = "forward/opernam $spot[4]";
274 # send the rcmd but we aren't interested in the replies...
275 my $dxchan = $node->dxchan;
276 if ($dxchan && $dxchan->is_clx) {
277 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
279 route(undef, $to, pc34($main::mycall, $to, $cmd));
283 $node = Route::Node::get($to);
285 $dxchan = $node->dxchan;
286 if ($dxchan && $dxchan->is_clx) {
287 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
289 route(undef, $to, pc34($main::mycall, $to, $cmd));
293 $user->lastoper($main::systime);
302 $r = Local::spot($self, @spot);
304 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
307 # DON'T be silly and send on PC26s!
308 return if $pcno == 26;
310 # send out the filtered spots
311 send_dx_spot($self, $line, @spot) if @spot;
322 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
324 # announce duplicate checking
325 $_[3] =~ s/^\s+//; # remove leading blanks
329 if (@bad = BadWords::check($_[3])) {
330 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
335 # if this is a 'nodx' node then ignore it
336 if ($badnode->in($_[5])) {
337 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
341 # if this is a 'bad spotter' user then ignore it
343 $nossid =~ s/-\d+$//;
344 if ($badspotter->in($nossid)) {
345 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
352 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
353 $self->send_chat(0, $line, @_[1..6]);
354 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
357 # RouteDB::update($_[5], $self->{call});
358 # RouteDB::update($_[1], $_[5]);
360 # ignore something that looks like a chat line coming in with sysop
361 # flag - this is a kludge...
362 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
363 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
367 # here's a bit of fun, convert incoming ann with a callsign in the first word
368 # or one saying 'to <call>' to a talk if we can route to the recipient
370 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
372 my $ref = Route::get($call);
374 $dxchan = $ref->dxchan;
375 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
382 $self->send_announce(0, $line, @_[1..6]);
384 $self->route($_[2], $line);
395 if (eph_dup($line, $eph_pc15_restime)) {
396 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
398 unless ($self->{isolate}) {
399 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
415 my $newline = "PC16^";
417 # dos I want users from this channel?
418 unless ($self->user->wantpc16) {
419 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
424 if ($ncall eq $main::mycall) {
425 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
430 $h = 1 if DXChannel::get($ncall);
431 RouteDB::update($ncall, $self->{call}, $h);
432 if ($h && $self->{call} ne $ncall) {
433 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
437 if (eph_dup($line)) {
438 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
442 my $parent = Route::Node::get($ncall);
445 $dxchan = $parent->dxchan;
446 if ($dxchan && $dxchan ne $self) {
447 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
451 # input filter if required
452 return unless $self->in_filter_route($parent);
454 $parent = Route::Node->new($ncall);
458 if ($parent->via_pc92) {
459 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
466 for ($i = 2; $i < $#_; $i++) {
467 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
468 next unless $call && $conf && defined $here && is_callsign($call);
469 next if $call eq $main::mycall;
471 eph_del_regex("^PC17\\^$call\\^$ncall");
473 $conf = $conf eq '*';
475 # reject this if we think it is a node already
476 my $r = Route::Node::get($call);
477 my $u = DXUser->get_current($call) unless $r;
478 if ($r || ($u && $u->is_node)) {
479 dbg("PCPROT: $call is a node") if isdbg('chanerr');
483 $r = Route::User::get($call);
484 my $flags = Route::here($here)|Route::conf($conf);
487 my $au = $r->addparent($parent);
488 if ($r->flags != $flags) {
492 push @rout, $r if $h && $au;
494 my @ans = $parent->add_user($call, $flags);
495 push @rout, @ans if $h && @ans;
498 # send info to all logged in thingies
499 $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
500 $self->tell_buddies('loginb', $call, $ncall);
502 # add this station to the user database, if required
503 # $call =~ s/-\d+$//o; # remove ssid for users
504 my $user = DXUser->get_current($call);
505 $user = DXUser->new($call) if !$user;
506 $user->homenode($parent->call) if !$user->homenode;
507 $user->node($parent->call);
508 $user->lastin($main::systime) unless DXChannel::get($call);
512 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
513 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
528 eph_del_regex("^PC16\\^$ncall.*$ucall");
530 # do I want users from this channel?
531 unless ($self->user->wantpc16) {
532 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
536 if ($ncall eq $main::mycall) {
537 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
541 RouteDB::delete($ncall, $self->{call});
543 my $uref = Route::User::get($ucall);
545 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
548 my $parent = Route::Node::get($ncall);
550 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
554 $dxchan = DXChannel::get($ncall);
555 if ($dxchan && $dxchan ne $self) {
556 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
561 if ($parent->via_pc92) {
562 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
567 if (DXChannel::get($ucall)) {
568 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
572 # input filter if required and then remove user if present
573 # return unless $self->in_filter_route($parent);
574 $parent->del_user($uref);
576 # send info to all logged in thingies
577 $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
578 $self->tell_buddies('logoutb', $ucall, $ncall);
580 if (eph_dup($line)) {
581 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
585 $self->route_pc17($origin, $line, $parent, $uref);
586 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
596 $self->state('init');
598 my $parent = Route::Node::get($self->{call});
600 # record the type and version offered
601 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+(?:\.\d+)?)/) {
602 $self->{version} = 53 + $1;
603 $self->user->version(53 + $1);
604 $parent->version(0 + $1);
605 $self->{build} = 0 + $2;
606 $self->user->build(0 + $2);
607 $parent->build(0 + $2);
608 unless ($self->is_spider) {
609 $self->user->sort('S');
613 $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
614 if ($_[1] =~ /\bpc9x/) {
615 $self->{do_pc9x} = 1;
616 dbg("Do px9x set on $self->{call}");
619 $self->version(50.0);
620 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
621 $self->user->version($self->version);
624 # first clear out any nodes on this dxchannel
625 my @rout = $parent->del_nodes;
626 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
627 $self->send_local_config();
635 # add this station to the user database, if required (don't remove SSID from nodes)
636 my $user = DXUser->get_current($call);
638 $user = DXUser->new($call);
639 $user->priv(1); # I have relented and defaulted nodes
641 $user->homenode($call);
644 $user->sort('A') unless $user->is_node;
648 # incoming cluster list
657 my $newline = "PC19^";
660 my (@rout, @pc92out);
662 # first get the INTERFACE node
663 my $parent = Route::Node::get($self->{call});
665 dbg("PCPROT: my parent $self->{call} has disappeared");
674 # We are making a major change from now on. We are only going to accept
675 # PC19s from directly connected nodes. This means that we are probably
676 # going to throw away most of the data that we are being sent.
678 # The justification for this is that most of it is wrong or out of date
681 # From now on we are only going to believe PC92 data and locally connected
684 for ($i = 1; $i < $#_-1; $i += 4) {
686 my $call = uc $_[$i+1];
689 next unless defined $here && defined $conf && is_callsign($call);
691 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
693 # check for sane parameters
694 # $ver = 5000 if $ver eq '0000';
695 next unless $ver && $ver =~ /^\d+$/;
696 next if $ver < 5000; # only works with version 5 software
697 next if length $call < 3; # min 3 letter callsigns
698 next if $call eq $main::mycall;
700 # check that this PC19 isn't trying to alter the wrong dxchan
702 my $dxchan = DXChannel::get($call);
704 if ($dxchan == $self) {
707 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
712 my $user = check_add_node($call);
714 # if (eph_dup($genline)) {
715 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
719 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
722 if ($parent->via_pc92) {
723 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
728 my $r = Route::Node::get($call);
729 my $flags = Route::here($here)|Route::conf($conf);
731 # modify the routing table if it is in it, otherwise store it in the pc19list for now
734 if ($call ne $parent->call) {
735 if ($self->in_filter_route($r)) {
736 $ar = $parent->add($call, $ver, $flags);
737 # push @rout, $ar if $ar;
742 if ($r->version ne $ver || $r->flags != $flags) {
748 if ($call eq $self->{call} || $user->wantroutepc19) {
749 my $new = Route->new($call); # throw away
750 if ($self->in_filter_route($new)) {
751 my $ar = $parent->add($call, $ver, $flags);
752 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
753 push @rout, $ar if $ar;
754 push @pc92out, $r if $h;
761 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
762 my $mref = DXMsg::get_busy($call);
763 $mref->stop_msg($call) if $mref;
765 $user->lastin($main::systime) unless DXChannel::get($call);
769 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
770 # but remember there will only be one (pair) these because any extras will be
773 # $self->route_pc21($self->{call}, $line, @rout);
774 $self->route_pc19($self->{call}, $line, @rout);
777 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
781 # send local configuration
789 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
790 dbg("PCPROT: disconnecting because login call not sent in any pc92") if isdbg('chanerr');
791 $self->send("**** You logged in with $self->{call} but that is NOT your \$mycall");
795 $self->send_local_config;
797 $self->state('normal');
798 $self->{lastping} = 0;
799 $self->route_pc92a($main::mycall, $line, $main::routeroot, Route::Node::get($self->{call}));
802 # delete a cluster from the list
804 # This should never occur for directly connected nodes.
814 eph_del_regex("^PC1[679].*$call");
816 # if I get a PC21 from the same callsign as self then ignore it
817 if ($call eq $self->call) {
818 dbg("PCPROT: self referencing PC21 from $self->{call}");
822 RouteDB::delete($call, $self->{call});
824 my $parent = Route::Node::get($self->{call});
826 dbg("PCPROT: my parent $self->{call} has disappeared");
833 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
834 my $node = Route::Node::get($call);
837 if ($node->via_pc92) {
838 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
842 my $dxchan = DXChannel::get($call);
843 if ($dxchan && $dxchan != $self) {
844 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
849 return unless $self->in_filter_route($node);
851 # routing objects, force a PC21 if it is local
852 push @rout, $node->del($parent);
853 push @rout, $call if $dxchan && @rout == 0;
856 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
860 if (eph_dup($line)) {
861 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
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 dbg("PCPROT: disconnecting because login call not sent in any pc92") if isdbg('chanerr');
882 $self->send("**** You logged in with $self->{call} but that is NOT your \$mycall");
887 $self->{lastping} = 0;
888 $self->state('normal');
889 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
900 # route foreign' pc27s
902 if ($_[8] ne $main::mycall) {
903 $self->route($_[8], $line);
908 # only do a rspf check on PC23 (not 27)
910 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
914 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
915 my $sfi = unpad($_[3]);
916 my $k = unpad($_[4]);
917 my $i = unpad($_[5]);
918 my ($r) = $_[6] =~ /R=(\d+)/;
920 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
921 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
925 # global wwv filtering on INPUT
926 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
927 if ($self->{inwwvfilter}) {
928 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
930 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
934 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
935 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
936 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
940 # note this only takes the first one it gets
941 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
945 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
947 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
950 # DON'T be silly and send on PC27s!
951 return if $pcno == 27;
953 # broadcast to the eager world
954 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
966 $nref = Route::Node::get($call);
967 $uref = Route::User::get($call);
968 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
970 if (eph_dup($line)) {
971 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
975 $nref->here($_[2]) if $nref;
976 $uref->here($_[2]) if $uref;
977 my $ref = $nref || $uref;
978 return unless $self->in_filter_route($ref);
980 $self->route_pc24($origin, $line, $ref, $_[3]);
990 if ($_[1] ne $main::mycall) {
991 $self->route($_[1], $line);
994 if ($_[2] eq $main::mycall) {
995 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
999 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1003 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1006 $self->send(pc26(@{$in}[0..4], $_[2]));
1012 my @in = reverse Geomag::search(0, $_[4], time, 1);
1015 $self->send(pc27(@{$in}[0..5], $_[2]));
1020 sub handle_26 {goto &handle_11}
1021 sub handle_27 {goto &handle_23}
1023 # mail/file handling
1030 if ($_[1] eq $main::mycall) {
1032 my $sub = "DXMsg::handle_$pcno";
1035 $self->route($_[1], $line) unless $self->is_clx;
1039 sub handle_29 {goto &handle_28}
1040 sub handle_30 {goto &handle_28}
1041 sub handle_31 {goto &handle_28}
1042 sub handle_32 {goto &handle_28}
1043 sub handle_33 {goto &handle_28}
1051 if (eph_dup($line, $eph_pc34_restime)) {
1052 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1054 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1058 # remote command replies
1065 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1066 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1069 sub handle_36 {goto &handle_34}
1078 if ($_[1] eq $main::mycall) {
1080 my $sub = "DXDb::handle_$pcno";
1083 $self->route($_[1], $line) unless $self->is_clx;
1087 # node connected list from neighbour
1096 # incoming disconnect
1103 if ($_[1] eq $self->{call}) {
1104 $self->disconnect(1);
1106 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1110 sub handle_40 {goto &handle_28}
1123 my $l = "PC41^$call^$sort";
1124 if (eph_dup($l, $eph_info_restime)) {
1125 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1129 # input filter if required
1130 # my $ref = Route::get($call) || Route->new($call);
1131 # return unless $self->in_filter_route($ref);
1133 if ($val eq $sort || $val =~ /^\s*$/) {
1134 dbg('PCPROT: invalid value') if isdbg('chanerr');
1138 # add this station to the user database, if required
1139 my $user = DXUser->get_current($call);
1140 $user = DXUser->new($call) unless $user;
1143 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1144 dbg("PCPROT: invalid name") if isdbg('chanerr');
1145 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1146 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1151 } elsif ($sort == 2) {
1153 } elsif ($sort == 3) {
1154 if (is_latlong($val)) {
1155 my ($lat, $long) = DXBearing::stoll($val);
1156 $user->lat($lat) if $lat;
1157 $user->long($long) if $long;
1158 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1160 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1163 } elsif ($sort == 4) {
1164 $user->homenode($val);
1165 } elsif ($sort == 5) {
1166 if (is_qra(uc $val)) {
1167 my ($lat, $long) = DXBearing::qratoll(uc $val);
1168 $user->lat($lat) if $lat && !$user->lat;
1169 $user->long($long) if $long && !$user->long;
1170 $user->qra(uc $val);
1172 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1176 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1179 unless ($self->{isolate}) {
1180 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1183 # perhaps this IS what we want after all
1184 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1187 sub handle_42 {goto &handle_28}
1191 sub handle_44 {goto &handle_37}
1192 sub handle_45 {goto &handle_37}
1193 sub handle_46 {goto &handle_37}
1194 sub handle_47 {goto &handle_37}
1195 sub handle_48 {goto &handle_37}
1197 # message and database
1205 if (eph_dup($line)) {
1206 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1210 if ($_[1] eq $main::mycall) {
1211 DXMsg::handle_49($self, @_);
1213 $self->route($_[1], $line) unless $self->is_clx;
1217 # keep alive/user list
1227 RouteDB::update($call, $self->{call});
1229 my $node = Route::Node::get($call);
1231 return unless $node->call eq $self->{call};
1232 $node->usercount($_[2]);
1234 # input filter if required
1235 return unless $self->in_filter_route($node);
1237 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1241 # incoming ping requests/answers
1254 if ($to eq $main::mycall) {
1256 $self->send(pc51($from, $to, '0'));
1258 DXXml::Ping::handle_ping_reply($self, $from);
1262 RouteDB::update($from, $self->{call});
1264 if (eph_dup($line)) {
1265 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1268 # route down an appropriate thingy
1269 $self->route($to, $line);
1273 # dunno but route it
1281 if ($call ne $main::mycall) {
1282 $self->route($call, $line);
1296 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1297 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1298 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1301 @_ = map { unpad($_) } @_;
1303 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1307 my $wcy = WCY::update($d, @_[2..12]);
1311 $rep = Local::wcy($self, @_[1..12]);
1313 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1316 # broadcast to the eager world
1317 send_wcy_spot($self, $line, $d, @_[2..12]);
1320 # remote commands (incoming)
1327 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1330 # remote command replies
1337 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1340 # decode a pc92 call: flag call : version : build
1341 sub _decode_pc92_call
1344 my @part = split /:/, $icall;
1345 my ($flag, $call) = unpack "A A*", $part[0];
1346 return () unless defined $flag && $flag ge '0' && $flag le '7';
1347 return () unless $call && is_callsign($call);
1348 my $is_node = $flag & 4;
1349 my $is_extnode = $flag & 2;
1350 my $here = $flag & 1;
1351 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1354 # decode a pc92 call: flag call : version : build
1355 sub _encode_pc92_call
1359 # plain call or value
1360 return $ref unless ref $ref;
1364 my $call = $ref->call;
1366 $flag |= $ref->here ? 1 : 0;
1367 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1369 my $dxchan = DXChannel::get($call);
1370 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1372 if ($ref->version) {
1373 my $version = $ref->version || 1.0;
1374 $version = $version * 100 + 5300 if $version < 50;
1375 $extra .= ":" . $version;
1379 return "$flag$call$extra";
1386 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1391 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1392 @rout = $parent->add($call, $version, Route::here($here));
1394 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1395 @rout = $parent->add_user($call, Route::here($here));
1405 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1409 my $nref = Route::Node::get($call);
1410 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1411 @rout = $nref->del($parent) if $nref;
1413 my $uref = Route::User::get($call);
1414 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1415 @rout = $parent->del_user($uref) if $uref;
1426 if (!$_last_time || $_last_time != $main::systime) {
1427 $_last_time = $main::systime;
1429 return $_last_time - $main::systime_daystart;
1432 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1443 my $parent = ref $call ? $call : Route::Node::get($call);
1445 # we only do this for external calls whose routing table
1446 # record come and go. The reference for mycall is permanent
1447 # and not that frequently used, it also never times out, so
1448 # the id on it is completely unreliable. Besides, only commands
1449 # originating on this box will go through this code...
1450 if ($parent->call ne $main::mycall) {
1451 my $lastid = $parent->lastid->{$pc} || 0;
1453 if ($lastid-86400+$t > $pc9x_past_age) {
1454 dbg("PCPROT: dup id on $t <= $lastid (midnight rollover), ignored") if isdbg('chanerr');
1458 if ($lastid >= $t) {
1459 dbg("PCPROT: dup id on $call $lastid >= $t, ignored") if isdbg('chanerr');
1464 $parent = Route::Node->new($call);
1466 $parent->lastid->{$pc} = $t;
1471 # DXSpider routing entries
1483 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1489 if ($pcall eq $main::mycall) {
1490 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1494 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1495 $self->state('init92');
1496 $self->{do_pc9x} = 1;
1497 dbg("Do pc9x set on $pcall");
1499 unless ($self->{do_pc9x}) {
1500 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1504 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1505 my $oparent = $parent;
1507 $parent->do_pc9x(1);
1508 $parent->via_pc92(1);
1510 if ($sort eq 'F' || $sort eq 'R') {
1512 # this is the route finding section
1513 # here is where the consequences of the 'find' command
1523 if ($ref = DXChannel::get($target)) {
1524 $flag = 1; # we are directly connected
1526 $ref = Route::get($target);
1527 $dxchan = $ref->dxchan;
1530 if ($ref && $flag && $dxchan) {
1531 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1534 } elsif ($sort eq 'R') {
1535 if (my $dxchan = DXChannel::get($from)) {
1536 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1538 my $ref = Route::get($from);
1540 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1542 $_->send($line) for @dxchan;
1544 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1547 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1552 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1554 # this is the main route section
1555 # here is where all the routes are created and destroyed
1557 my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
1560 # look at the first one which will always be a node of some sort
1561 # and update any information that needs to be done.
1562 my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
1563 if ($call && $is_node) {
1564 if ($call eq $main::mycall) {
1565 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1569 # this is only accepted from my "self"
1570 if (DXChannel::get($call) && $call ne $self->{call}) {
1571 dbg("PCPROT: locally connected node config for $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1574 # reparent to external node (note that we must have received a 'C' or 'A' record
1575 # from the true parent node for this external before we get one for the this node
1576 unless ($parent = Route::Node::get($call)) {
1577 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1580 $parent = check_pc9x_t($call, $t, 92) || return;
1581 $parent->via_pc92(1);
1584 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1587 $parent->here(Route::here($here));
1588 $parent->version($version) if $version && $version > $parent->version;
1589 $parent->build($build) if $build && $build > $parent->build;
1593 # do a pass through removing any references to either locally connected nodes or mycall
1597 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1598 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1606 push @radd, _add_thingy($parent, $_);
1608 } elsif ($sort eq 'D') {
1610 push @rdel, _del_thingy($parent, $_);
1612 } elsif ($sort eq 'C') {
1613 my (@nodes, @users);
1615 # we only reset obscounts on config records
1616 $oparent->reset_obs;
1617 dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('route');
1618 if ($oparent != $parent) {
1620 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('route');
1624 foreach my $r (@nent) {
1625 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1628 push @nodes, $r->[0];
1630 push @users, $r->[0];
1633 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1637 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1640 foreach my $r (@nent) {
1643 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1647 foreach my $r (@$dnodes) {
1648 push @rdel,_del_thingy($parent, [$r, 1]);
1650 foreach my $r (@$dusers) {
1651 push @rdel,_del_thingy($parent, [$r, 0]);
1654 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1658 foreach my $r (@rdel) {
1661 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1662 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1664 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1665 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1666 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1667 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1668 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1671 # broadcast it if we get here
1672 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1683 # $self->{do_pc9x} ||= 1;
1686 unless (is_callsign($pcall)) {
1687 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1691 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1698 $onode = $pcall if @_ <= 8;
1700 # will we allow it at all?
1703 if (@bad = BadWords::check($text)) {
1704 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1709 # if this is a 'bad spotter' user then ignore it
1711 $nossid =~ s/-\d+$//;
1712 if ($badspotter->in($nossid)) {
1713 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1717 if (is_callsign($to)) {
1720 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1721 $dxchan = DXChannel::get($to) unless $dxchan;
1722 if ($dxchan && $dxchan->is_user) {
1723 $dxchan->talk($from, $to, $via, $text, $onode);
1727 # convert to PC10 talks where appropriate
1728 my $ref = Route::get($to);
1730 my @dxchan = $ref->alldxchan;
1731 for $dxchan (@dxchan) {
1732 if ($dxchan->{do_pc9x}) {
1733 $dxchan->send($line);
1735 $dxchan->talk($from, $to, $via, $text, $onode);
1741 # otherwise, drop through and allow it to be broadcast
1742 } elsif ($to eq '*' || uc $to eq 'SYSOP' || uc $to eq 'WX') {
1744 my $sysop = uc $to eq 'SYSOP' ? '*' : ' ';
1745 my $wx = uc $to eq 'WX' ? '1' : '0';
1746 my $local = $via eq 'LOCAL' ? '*' : $via;
1748 $self->send_announce(1, pc12($from, $text, $local, $via, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1749 return if $via eq 'LOCAL';
1751 # chat messages to non-pc9x nodes
1752 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1754 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1757 # if get here then rebroadcast the thing with its Hop count decremented (if
1758 # there is one). If it has a hop count and it decrements to zero then don't
1761 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1772 if (eph_dup($line)) {
1773 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1777 unless (is_callsign($pcall)) {
1778 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1782 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1783 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1785 unless ($self->{isolate}) {
1786 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me