3 # This module impliments the handlers for the protocal mode for a dx cluster
5 # Copyright (c) 1998-2007 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
47 $pc10_dupe_age $pc92_slug_changes $last_pc92_slug
48 $pc92Ain $pc92Cin $pc92Din $pc92Kin $pc9x_time_tolerance
51 $pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
52 $pc92_slug_changes = 60; # slug any changes going outward for this long
53 $last_pc92_slug = 0; # the last time we sent out any delayed add or del PC92s
54 $pc9x_time_tolerance = 15*60; # the time on a pc9x is allowed to be out by this amount
55 $pc9x_past_age = (122*60)+ # maximum age in the past of a px9x (a config record might be the only
56 $pc9x_time_tolerance; # thing a node might send - once an hour and we allow an extra hour for luck)
57 # this is actually the partition between "yesterday" and "today" but old.
60 # incoming talk commands
68 # this is to catch loops caused by bad software ...
69 if (eph_dup($line, $pc10_dupe_age)) {
73 # will we allow it at all?
76 if (@bad = BadWords::check($_[3])) {
77 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
82 # is it for me or one of mine?
83 my ($from, $to, $via, $call, $dxchan);
92 # if this is a 'nodx' node then ignore it
93 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
94 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
98 # if this is a 'bad spotter' user then ignore it
100 $nossid =~ s/-\d+$//;
101 if ($badspotter->in($nossid)) {
102 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
106 # if we are converting announces to talk is it a dup?
108 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
109 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
114 # remember a route to this node and also the node on which this user is
115 RouteDB::update($_[6], $self->{call});
116 # RouteDB::update($to, $_[6]);
118 # convert this to a PC93, coming from mycall with origin set and process it as such
119 $main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
130 # route 'foreign' pc26s
132 if ($_[7] ne $main::mycall) {
133 $self->route($_[7], $line);
138 # my ($hops) = $_[8] =~ /^H(\d+)/;
140 # is the spotted callsign blank? This should really be trapped earlier but it
141 # could break other protocol sentences. Also check for lower case characters.
142 if ($_[2] =~ /^\s*$/) {
143 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
146 if ($_[2] =~ /[a-z]/) {
147 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
152 # if this is a 'nodx' node then ignore it
153 if ($badnode->in($_[7])) {
154 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
158 # if this is a 'bad spotter' user then ignore it
160 $nossid =~ s/-\d+$//;
161 if ($badspotter->in($nossid)) {
162 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
166 # convert the date to a unix date
167 my $d = cltounix($_[3], $_[4]);
168 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
169 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
170 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
175 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
176 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
181 $_[5] =~ s/^\s+//; # take any leading blanks off
182 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
183 if ($_[2] =~ /BUST\w*$/) {
184 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
189 if (@bad = BadWords::check($_[5])) {
190 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
196 # RouteDB::update($_[7], $self->{call});
197 # RouteDB::update($_[6], $_[7]);
199 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
200 # global spot filtering on INPUT
201 if ($self->{inspotsfilter}) {
202 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
204 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
209 # this goes after the input filtering, but before the add
210 # so that if it is input filtered, it isn't added to the dup
211 # list. This allows it to come in from a "legitimate" source
212 if (Spot::dup(@spot[0..4,5])) {
213 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
221 # @spot at this point contains:-
222 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
223 # then spotted itu, spotted cq, spotters itu, spotters cq
224 # you should be able to route on any of these
227 # fix up qra locators of known users
228 my $user = DXUser->get_current($spot[4]);
230 my $qra = $user->qra;
231 unless ($qra && is_qra($qra)) {
232 my $lat = $user->lat;
233 my $long = $user->long;
234 if (defined $lat && defined $long) {
235 $user->qra(DXBearing::lltoqra($lat, $long));
240 # send a remote command to a distant cluster if it is visible and there is no
241 # qra locator and we havn't done it for a month.
243 unless ($user->qra) {
245 my $to = $user->homenode;
246 my $last = $user->lastoper || 0;
247 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
248 my $cmd = "forward/opernam $spot[4]";
249 # send the rcmd but we aren't interested in the replies...
250 my $dxchan = $node->dxchan;
251 if ($dxchan && $dxchan->is_clx) {
252 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
254 route(undef, $to, pc34($main::mycall, $to, $cmd));
258 $node = Route::Node::get($to);
260 $dxchan = $node->dxchan;
261 if ($dxchan && $dxchan->is_clx) {
262 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
264 route(undef, $to, pc34($main::mycall, $to, $cmd));
268 $user->lastoper($main::systime);
277 $r = Local::spot($self, @spot);
279 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
282 # DON'T be silly and send on PC26s!
283 return if $pcno == 26;
285 # send out the filtered spots
286 send_dx_spot($self, $line, @spot) if @spot;
297 # announce duplicate checking
298 $_[3] =~ s/^\s+//; # remove leading blanks
302 if (@bad = BadWords::check($_[3])) {
303 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
308 # if this is a 'nodx' node then ignore it
309 if ($badnode->in($_[5])) {
310 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
314 # if this is a 'bad spotter' user then ignore it
316 $nossid =~ s/-\d+$//;
317 if ($badspotter->in($nossid)) {
318 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
325 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
326 $self->send_chat(0, $line, @_[1..6]);
327 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
330 # RouteDB::update($_[5], $self->{call});
331 # RouteDB::update($_[1], $_[5]);
333 # ignore something that looks like a chat line coming in with sysop
334 # flag - this is a kludge...
335 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
336 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
340 # here's a bit of fun, convert incoming ann with a callsign in the first word
341 # or one saying 'to <call>' to a talk if we can route to the recipient
343 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
345 my $ref = Route::get($call);
347 $dxchan = $ref->dxchan;
348 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
355 $self->send_announce(0, $line, @_[1..6]);
357 $self->route($_[2], $line);
368 if (eph_dup($line, $eph_pc15_restime)) {
371 unless ($self->{isolate}) {
372 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
388 my $newline = "PC16^";
390 # dos I want users from this channel?
391 unless ($self->user->wantpc16) {
392 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
397 if ($ncall eq $main::mycall) {
398 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
403 $h = 1 if DXChannel::get($ncall);
404 RouteDB::update($ncall, $self->{call}, $h);
405 if ($h && $self->{call} ne $ncall) {
406 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
410 if (eph_dup($line)) {
414 # isolate now means only accept stuff from this call only
415 if ($self->{isolate} && $ncall ne $self->{call}) {
416 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
420 my $parent = Route::Node::get($ncall);
423 $dxchan = $parent->dxchan;
424 if ($dxchan && $dxchan ne $self) {
425 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
429 # input filter if required
430 return unless $self->in_filter_route($parent);
432 $parent = Route::Node->new($ncall);
436 if ($parent->via_pc92) {
437 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
444 for ($i = 2; $i < $#_; $i++) {
445 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
446 next unless $call && $conf && defined $here && is_callsign($call);
447 next if $call eq $main::mycall;
449 eph_del_regex("^PC17\\^$call\\^$ncall");
451 $conf = $conf eq '*';
453 # reject this if we think it is a node already
454 my $r = Route::Node::get($call);
455 my $u = DXUser->get_current($call) unless $r;
456 if ($r || ($u && $u->is_node)) {
457 dbg("PCPROT: $call is a node") if isdbg('chanerr');
461 $r = Route::User::get($call);
462 my $flags = Route::here($here)|Route::conf($conf);
465 my $au = $r->addparent($parent);
466 if ($r->flags != $flags) {
470 push @rout, $r if $h && $au;
472 my @ans = $parent->add_user($call, $flags);
473 push @rout, @ans if $h && @ans;
476 # add this station to the user database, if required
477 my $user = DXUser->get_current($ncall);
478 $user = DXUser->new($call) unless $user;
479 $user->homenode($parent->call) if !$user->homenode;
480 $user->node($parent->call);
481 $user->lastin($main::systime) unless DXChannel::get($call);
484 # send info to all logged in thingies
485 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
486 $self->tell_buddies('loginb', $call, $ncall);
489 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
490 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
505 eph_del_regex("^PC16\\^$ncall.*$ucall");
507 # do I want users from this channel?
508 unless ($self->user->wantpc16) {
509 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
513 if ($ncall eq $main::mycall) {
514 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
518 # isolate now means only accept stuff from this call only
519 if ($self->{isolate} && $ncall ne $self->{call}) {
520 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
524 RouteDB::delete($ncall, $self->{call});
526 my $uref = Route::User::get($ucall);
528 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
531 my $parent = Route::Node::get($ncall);
533 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
537 $dxchan = DXChannel::get($ncall);
538 if ($dxchan && $dxchan ne $self) {
539 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
544 if ($parent->via_pc92) {
545 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
550 if (DXChannel::get($ucall)) {
551 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
555 # input filter if required and then remove user if present
556 # return unless $self->in_filter_route($parent);
557 $parent->del_user($uref);
559 # send info to all logged in thingies
560 my $user = DXUser->get_current($ncall);
561 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
562 $self->tell_buddies('logoutb', $ucall, $ncall);
564 if (eph_dup($line)) {
568 $self->route_pc17($origin, $line, $parent, $uref);
569 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
579 $self->state('init');
581 my $parent = Route::Node::get($self->{call});
583 # record the type and version offered
584 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
585 $self->{version} = 53 + $version;
586 $self->user->version(53 + $version);
587 $parent->version(0 + $version);
588 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
589 $self->{build} = 0 + $build;
590 $self->user->build(0 + $build);
591 $parent->build(0 + $build);
592 dbg("DXSpider version $version build $build");
593 unless ($self->is_spider) {
594 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
595 $self->user->sort('S');
599 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
601 dbg("Unknown software");
602 $self->version(50.0);
603 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
604 $self->user->version($self->version);
607 if ($_[1] =~ /\bpc9x/) {
608 if ($self->{isolate}) {
609 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
610 } elsif (!$self->user->wantpc9x) {
611 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
613 $self->{do_pc9x} = 1;
614 dbg("Do px9x set on $self->{call}");
618 # first clear out any nodes on this dxchannel
619 my @rout = $parent->del_nodes;
620 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
621 $self->send_local_config();
629 # add this station to the user database, if required (don't remove SSID from nodes)
630 my $user = DXUser->get_current($call);
632 $user = DXUser->new($call);
633 $user->priv(1); # I have relented and defaulted nodes
635 $user->homenode($call);
638 $user->sort('A') unless $user->is_node;
642 # incoming cluster list
651 my $newline = "PC19^";
654 my (@rout, @pc92out);
656 # first get the INTERFACE node
657 my $parent = Route::Node::get($self->{call});
659 dbg("PCPROT: my parent $self->{call} has disappeared");
668 # We are making a major change from now on. We are only going to accept
669 # PC19s from directly connected nodes. This means that we are probably
670 # going to throw away most of the data that we are being sent.
672 # The justification for this is that most of it is wrong or out of date
675 # From now on we are only going to believe PC92 data and locally connected
678 for ($i = 1; $i < $#_-1; $i += 4) {
680 my $call = uc $_[$i+1];
683 next unless defined $here && defined $conf && is_callsign($call);
685 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
687 # check for sane parameters
688 # $ver = 5000 if $ver eq '0000';
689 next unless $ver && $ver =~ /^\d+$/;
690 next if $ver < 5000; # only works with version 5 software
691 next if length $call < 3; # min 3 letter callsigns
692 next if $call eq $main::mycall;
694 # check that this PC19 isn't trying to alter the wrong dxchan
696 my $dxchan = DXChannel::get($call);
698 if ($dxchan == $self) {
701 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
706 # isolate now means only accept stuff from this call only
707 if ($self->{isolate} && $call ne $self->{call}) {
708 dbg("PCPROT: $self->{call} isolated, $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}, $line, @rout);
776 if (@pc92out && !$pc92_slug_changes) {
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 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
791 $self->{do_pc9x} = 0;
793 $self->send_local_config;
795 $self->state('normal');
796 $self->{lastping} = 0;
797 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
800 # delete a cluster from the list
802 # This should never occur for directly connected nodes.
812 eph_del_regex("^PC1[679].*$call");
814 # if I get a PC21 from the same callsign as self then ignore it
815 if ($call eq $self->{call}) {
816 dbg("PCPROT: self referencing PC21 from $self->{call}");
820 # for the above reason and also because of the check for PC21s coming
821 # in for self->call from outside being ignored further down
822 # we don't need any isolation code here, because we will never
823 # act on a PC21 with self->call in it.
825 RouteDB::delete($call, $self->{call});
827 my $parent = Route::Node::get($self->{call});
829 dbg("PCPROT: my parent $self->{call} has disappeared");
836 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
837 my $node = Route::Node::get($call);
840 if ($node->via_pc92) {
841 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
845 my $dxchan = DXChannel::get($call);
846 if ($dxchan && $dxchan != $self) {
847 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
852 return unless $self->in_filter_route($node);
854 # routing objects, force a PC21 if it is local
855 push @rout, $node->del($parent);
856 push @rout, $call if $dxchan && @rout == 0;
859 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
863 if (eph_dup($line)) {
868 $self->route_pc21($origin, $line, @rout);
869 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
881 if ($self->{do_pc9x}) {
882 if ($self->{state} ne 'init92') {
883 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
884 $self->{do_pc9x} = 0;
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);
910 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
911 my $sfi = unpad($_[3]);
912 my $k = unpad($_[4]);
913 my $i = unpad($_[5]);
914 my ($r) = $_[6] =~ /R=(\d+)/;
916 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
917 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
921 # global wwv filtering on INPUT
922 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
923 if ($self->{inwwvfilter}) {
924 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
926 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
930 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
931 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
932 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
936 # note this only takes the first one it gets
937 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
941 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
943 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
946 # DON'T be silly and send on PC27s!
947 return if $pcno == 27;
949 # broadcast to the eager world
950 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
962 $nref = Route::Node::get($call);
963 $uref = Route::User::get($call);
964 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
966 if (eph_dup($line)) {
970 $nref->here($_[2]) if $nref;
971 $uref->here($_[2]) if $uref;
972 my $ref = $nref || $uref;
973 return unless $self->in_filter_route($ref);
975 $self->route_pc24($origin, $line, $ref, $_[3]);
985 if ($_[1] ne $main::mycall) {
986 $self->route($_[1], $line);
989 if ($_[2] eq $main::mycall) {
990 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
994 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
998 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1001 $self->send(pc26(@{$in}[0..4], $_[2]));
1007 my @in = reverse Geomag::search(0, $_[4], time, 1);
1010 $self->send(pc27(@{$in}[0..5], $_[2]));
1015 sub handle_26 {goto &handle_11}
1016 sub handle_27 {goto &handle_23}
1018 # mail/file handling
1025 if ($_[1] eq $main::mycall) {
1027 my $sub = "DXMsg::handle_$pcno";
1030 $self->route($_[1], $line) unless $self->is_clx;
1034 sub handle_29 {goto &handle_28}
1035 sub handle_30 {goto &handle_28}
1036 sub handle_31 {goto &handle_28}
1037 sub handle_32 {goto &handle_28}
1038 sub handle_33 {goto &handle_28}
1046 if (eph_dup($line, $eph_pc34_restime)) {
1049 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1053 # remote command replies
1060 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1061 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1064 sub handle_36 {goto &handle_34}
1073 if ($_[1] eq $main::mycall) {
1075 my $sub = "DXDb::handle_$pcno";
1078 $self->route($_[1], $line) unless $self->is_clx;
1082 # node connected list from neighbour
1091 # incoming disconnect
1098 if ($_[1] eq $self->{call}) {
1099 $self->disconnect(1);
1101 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1105 sub handle_40 {goto &handle_28}
1118 my $l = "PC41^$call^$sort";
1119 if (eph_dup($l, $eph_info_restime)) {
1123 # input filter if required
1124 # my $ref = Route::get($call) || Route->new($call);
1125 # return unless $self->in_filter_route($ref);
1127 if ($val eq $sort || $val =~ /^\s*$/) {
1128 dbg('PCPROT: invalid value') if isdbg('chanerr');
1132 # add this station to the user database, if required
1133 my $user = DXUser->get_current($call);
1134 $user = DXUser->new($call) unless $user;
1137 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1138 dbg("PCPROT: invalid name") if isdbg('chanerr');
1139 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1140 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1145 } elsif ($sort == 2) {
1147 } elsif ($sort == 3) {
1148 if (is_latlong($val)) {
1149 my ($lat, $long) = DXBearing::stoll($val);
1150 $user->lat($lat) if $lat;
1151 $user->long($long) if $long;
1152 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1154 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1157 } elsif ($sort == 4) {
1158 $user->homenode($val);
1159 } elsif ($sort == 5) {
1160 if (is_qra(uc $val)) {
1161 my ($lat, $long) = DXBearing::qratoll(uc $val);
1162 $user->lat($lat) if $lat && !$user->lat;
1163 $user->long($long) if $long && !$user->long;
1164 $user->qra(uc $val);
1166 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1170 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1173 unless ($self->{isolate}) {
1174 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1177 # perhaps this IS what we want after all
1178 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1181 sub handle_42 {goto &handle_28}
1185 sub handle_44 {goto &handle_37}
1186 sub handle_45 {goto &handle_37}
1187 sub handle_46 {goto &handle_37}
1188 sub handle_47 {goto &handle_37}
1189 sub handle_48 {goto &handle_37}
1191 # message and database
1199 if (eph_dup($line)) {
1203 if ($_[1] eq $main::mycall) {
1204 DXMsg::handle_49($self, @_);
1206 $self->route($_[1], $line) unless $self->is_clx;
1210 # keep alive/user list
1218 return if (eph_dup($line));
1222 RouteDB::update($call, $self->{call});
1224 my $node = Route::Node::get($call);
1226 return unless $node->call eq $self->{call};
1227 $node->usercount($_[2]) unless $node->users;
1230 # input filter if required
1231 # return unless $self->in_filter_route($node);
1233 unless ($self->{isolate}) {
1234 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1236 # $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1240 # incoming ping requests/answers
1253 if ($to eq $main::mycall) {
1255 $self->send(pc51($from, $to, '0'));
1257 DXXml::Ping::handle_ping_reply($self, $from);
1261 RouteDB::update($from, $self->{call});
1263 if (eph_dup($line)) {
1266 # route down an appropriate thingy
1267 $self->route($to, $line);
1271 sub handle_61 { goto &handle_11; }
1273 # dunno but route it
1281 if ($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 unless (defined $flag && $flag ge '0' && $flag le '7') {
1347 dbg("PCPROT: $icall no flag byte (0-7) at front of call, ignored") if isdbg('chanerr');
1350 unless ($call && is_callsign($call)) {
1351 dbg("PCPROT: $icall no recognisable callsign, ignored") if isdbg('chanerr');
1354 my $is_node = $flag & 4;
1355 my $is_extnode = $flag & 2;
1356 my $here = $flag & 1;
1357 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1360 # decode a pc92 call: flag call : version : build
1361 sub _encode_pc92_call
1365 # plain call or value
1366 return $ref unless ref $ref;
1370 my $call = $ref->call;
1372 $flag |= $ref->here ? 1 : 0;
1373 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1375 my $dxchan = DXChannel::get($call);
1376 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1378 if ($ref->version) {
1379 my $version = $ref->version || 1.0;
1380 $version = $version * 100 + 5300 if $version < 50;
1381 $extra .= ":" . $version;
1385 return "$flag$call$extra";
1395 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1400 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1401 @rout = $parent->add($call, $version, Route::here($here));
1403 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1404 @rout = $parent->add_user($call, Route::here($here));
1406 if ($pc92_slug_changes && $parent == $main::routeroot) {
1407 $things_add{$call} = Route::get($call);
1408 delete $things_del{$call};
1418 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1423 $ref = Route::Node::get($call);
1424 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1425 @rout = $ref->del($parent) if $ref;
1427 $ref = Route::User::get($call);
1428 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1429 @rout = $parent->del_user($ref) if $ref;
1431 if ($pc92_slug_changes && $parent == $main::routeroot) {
1432 $things_del{$call} = $ref unless exists $things_add{$call};
1433 delete $things_add{$call};
1439 # this will only happen if we are slugging changes and
1440 # there are some changes to be sent, it will create an add or a delete
1442 sub gen_pc92_changes
1444 my @add = values %things_add;
1445 my @del = values %things_del;
1446 return (\@add, \@del);
1449 sub clear_pc92_changes
1451 %things_add = %things_del = ();
1452 $last_pc92_slug = $main::systime;
1461 return $_last_pc9x_id;
1466 if (!$_last_time || $_last_time != $main::systime) {
1467 $_last_time = $main::systime;
1469 return $_last_pc9x_id = $_last_time - $main::systime_daystart;
1472 return $_last_pc9x_id = sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1483 # check that the time is between 0 >= $t < 86400
1484 unless ($t >= 0 && $t < 86400) {
1485 dbg("PCPROT: time invalid t: $t, ignored") if isdbg('chanerr');
1489 # check that the time of this pc9x is within tolerance (default 15 mins either way)
1490 my $now = $main::systime - $main::systime_daystart ;
1491 my $diff = abs($now - $t);
1492 unless ($diff < $pc9x_time_tolerance || 86400 - $diff < $pc9x_time_tolerance) {
1493 my $c = ref $call ? $call->call : $call;
1494 dbg("PC9XERR: $c time out of range t: $t now: $now diff: $diff > $pc9x_time_tolerance, ignored") if isdbg('chan');
1498 my $parent = ref $call ? $call : Route::Node::get($call);
1500 # we only do this for external calls whose routing table
1501 # record come and go. The reference for mycall is permanent
1502 # and not that frequently used, it also never times out, so
1503 # the id on it is completely unreliable. Besides, only commands
1504 # originating on this box will go through this code...
1505 if ($parent->call ne $main::mycall) {
1506 my $lastid = $parent->lastid;
1507 if (defined $lastid) {
1509 # note that this is where we determine whether this pc9x has come in yesterday
1510 # but is still greater (modulo 86400) than the lastid or is simply an old
1511 # duplicate sentence. To determine this we need to do some module 86400
1512 # arithmetic. High numbers mean that this is an old duplicate sentence,
1513 # low numbers that it is a new sentence.
1515 # Typically you will see yesterday being taken on $t = 84, $lastid = 86235
1516 # and old dupes with $t = 234, $lastid = 256 (which give answers 249 and
1517 # 86378 respectively in the calculation below).
1519 if (($t-$lastid)%86400 > $pc9x_past_age) {
1520 dbg("PCPROT: dup id on $t <= lastid $lastid, ignored") if isdbg('chanerr') || isdbg('pc92dedupe');
1523 } elsif ($t == $lastid) {
1524 dbg("PCPROT: dup id on $t == lastid $lastid, ignored") if isdbg('chanerr') || isdbg('pc92dedupe');
1530 $parent = Route::Node->new($call);
1534 if (isdbg('pc92dedupe')) {
1535 my $exists = exists $parent->{lastid}; # naughty, naughty :-)
1536 my $val = $parent->{lastid};
1537 my $s = $exists ? (defined $val ? $val : 'exists/undef') : 'undef';
1538 dbg("PCPROT: $call pc92 id lastid $s -> $t");
1540 $parent->lastid($t);
1545 sub pc92_handle_first_slot
1551 my $oparent = $parent;
1555 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$slot;
1556 if ($call && $is_node) {
1557 if ($call eq $main::mycall) {
1558 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1561 # this is only accepted from my "self".
1562 # this also kills configs from PC92 nodes with external PC19 nodes that are also
1563 # locally connected. Local nodes always take precedence. But we remember the lastid
1564 # to try to reduce the number of dupe PC92s for this external node.
1565 if (DXChannel::get($call) && $call ne $self->{call}) {
1566 $parent = check_pc9x_t($call, $t, 92); # this will update the lastid time
1567 dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1571 # reparent to external node (note that we must have received a 'C' or 'A' record
1572 # from the true parent node for this external before we get one for the this node
1573 unless ($parent = Route::Node::get($call)) {
1574 if ($is_extnode && $oparent) {
1575 @radd = _add_thingy($oparent, $slot);
1578 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1582 $parent = check_pc9x_t($call, $t, 92) || return;
1583 $parent->via_pc92(1);
1584 $parent->PC92C_dxchan($self->{call});
1587 dbg("PCPROT: must be \$mycall or external node as first entry, ignored") if isdbg('chanerr');
1590 $parent->here(Route::here($here));
1591 $parent->version($version || $pc19_version) if $version;
1592 $parent->build($build) if $build;
1593 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1594 return ($parent, @radd);
1597 # DXSpider routing entries
1611 if ($pcall eq $main::mycall) {
1612 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1616 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1617 if ($self->{isolate}) {
1618 dbg("PC9x received, but $pcall is isolated, ignored");
1620 } elsif (!$self->user->wantpc9x) {
1621 dbg("PC9x explicitly switched off on $pcall, ignored");
1624 $self->state('init92');
1625 $self->{do_pc9x} = 1;
1626 dbg("Do pc9x set on $pcall");
1629 unless ($self->{do_pc9x}) {
1630 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1634 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1635 my $oparent = $parent;
1637 $parent->do_pc9x(1);
1638 $parent->via_pc92(1);
1640 if ($sort eq 'F' || $sort eq 'R') {
1642 # this is the route finding section
1643 # here is where the consequences of the 'find' command
1653 if ($ref = DXChannel::get($target)) {
1654 $flag = 1; # we are directly connected
1656 $ref = Route::get($target);
1657 $dxchan = $ref->dxchan;
1660 if ($ref && $flag && $dxchan) {
1661 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1664 } elsif ($sort eq 'R') {
1665 if (my $dxchan = DXChannel::get($from)) {
1666 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1668 my $ref = Route::get($from);
1670 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1672 $_->send($line) for @dxchan;
1674 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1677 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1683 } elsif ($sort eq 'K') {
1684 $pc92Kin += length $line if $sort eq 'K';
1686 # remember the last channel we arrived on
1687 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1689 my @ent = _decode_pc92_call($_[4]);
1694 ($parent, $add) = $self->pc92_handle_first_slot(\@ent, $parent, $t);
1695 return unless $parent; # dupe
1697 push @radd, $add if $add;
1699 $parent->version($ent[4]) if $ent[4];
1700 $parent->build($ent[5]) if $ent[5];
1702 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1704 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1706 $pc92Ain += length $line if $sort eq 'A';
1707 $pc92Cin += length $line if $sort eq 'C';
1708 $pc92Din += length $line if $sort eq 'D';
1710 # remember the last channel we arrived on
1711 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1713 # this is the main route section
1714 # here is where all the routes are created and destroyed
1716 # cope with missing duplicate node calls in the first slot
1717 my $me = $_[4] || '';
1718 $me ||= _encode_pc92_call($parent) unless $me ;
1720 my @ent = map {my @a = _decode_pc92_call($_); @a ? \@a : ()} grep {$_ && /^[0-7]/} $me, @_[5 .. $#_];
1724 # look at the first one which will always be a node of some sort
1725 # except in the case of 'A' or 'D' in which the $pcall is used
1726 # otherwise use the node call and update any information
1727 # that needs to be done.
1730 ($parent, $add) = $self->pc92_handle_first_slot($ent[0], $parent, $t);
1731 return unless $parent; # dupe
1734 push @radd, $add if $add;
1737 # do a pass through removing any references to either locally connected nodes or mycall
1740 next unless $_ && @$_;
1741 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1742 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1750 push @radd, _add_thingy($parent, $_);
1752 } elsif ($sort eq 'D') {
1754 push @rdel, _del_thingy($parent, $_);
1756 } elsif ($sort eq 'C') {
1757 my (@nodes, @users);
1759 # we reset obscounts on config records as well as K records
1761 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1764 foreach my $r (@nent) {
1765 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1768 push @nodes, $r->[0];
1770 push @users, $r->[0];
1773 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1777 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1780 foreach my $r (@nent) {
1783 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1787 foreach my $r (@$dnodes) {
1788 push @rdel,_del_thingy($parent, [$r, 1]);
1790 foreach my $r (@$dusers) {
1791 push @rdel,_del_thingy($parent, [$r, 0]);
1794 # remember this last PC92C for rebroadcast on demand
1795 $parent->last_PC92C($line);
1797 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1801 foreach my $r (@rdel) {
1804 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1805 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1807 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1808 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1809 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1810 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1811 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1814 # broadcast it if we get here
1815 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1826 # $self->{do_pc9x} ||= 1;
1828 my $pcall = $_[1]; # this is now checked earlier
1830 # remember that we are converting PC10->PC93 and self will be $main::me if it
1832 unless ($self->{do_pc9x}) {
1833 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1838 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1841 my $from = uc $_[4];
1844 my $onode = uc $_[7];
1845 $onode = $pcall if @_ <= 8;
1847 # this is catch loops caused by bad software ...
1848 if (eph_dup("PC93|$from|$text|$onode", $pc10_dupe_age)) {
1852 # will we allow it at all?
1855 if (@bad = BadWords::check($text)) {
1856 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1861 # if this is a 'bad spotter' user then ignore it
1863 $nossid =~ s/-\d+$//;
1864 if ($badspotter->in($nossid)) {
1865 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1869 # if it is routeable then then treat it like a talk
1870 my $ref = Route::get($to);
1874 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1875 $dxchan = DXChannel::get($to) unless $dxchan;
1878 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1879 if ($dxchan->is_user) {
1880 $dxchan->talk($from, $to, $via, $text, $onode);
1884 dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
1888 # convert to PC10 talks where appropriate
1889 # just go for the "best" one for now (rather than broadcast)
1890 $dxchan = $ref->dxchan;
1893 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1894 if ($dxchan->{do_pc9x}) {
1895 $dxchan->send($line);
1897 $dxchan->talk($from, $to, $via, $text, $onode);
1900 dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
1904 } elsif ($to eq '*' || $to eq 'SYSOP' || $to eq 'WX') {
1906 my $sysop = $to eq 'SYSOP' ? '*' : ' ';
1907 my $wx = $to eq 'WX' ? '1' : '0';
1908 my $local = $via eq 'LOCAL' ? '*' : $via;
1910 $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1911 return if $via eq 'LOCAL';
1912 } elsif (!is_callsign($to) && $text =~ /^#\d+ /) {
1913 # chat messages to non-pc9x nodes
1914 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1916 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1919 # if get here then rebroadcast the thing with its Hop count decremented (if
1920 # there is one). If it has a hop count and it decrements to zero then don't
1923 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1934 unless (eph_dup($line)) {
1937 unless (is_callsign($pcall)) {
1938 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1942 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1943 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1945 unless ($self->{isolate}) {
1946 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me