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], $_[6]));
120 # route 'foreign' pc26s
122 if ($_[7] ne $main::mycall) {
123 $self->route($_[7], $line);
129 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
131 # is the spotted callsign blank? This should really be trapped earlier but it
132 # could break other protocol sentences. Also check for lower case characters.
133 if ($_[2] =~ /^\s*$/) {
134 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
137 if ($_[2] =~ /[a-z]/) {
138 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
143 # if this is a 'nodx' node then ignore it
144 if ($badnode->in($_[7])) {
145 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
149 # if this is a 'bad spotter' user then ignore it
151 $nossid =~ s/-\d+$//;
152 if ($badspotter->in($nossid)) {
153 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
157 # convert the date to a unix date
158 my $d = cltounix($_[3], $_[4]);
159 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
160 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
161 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
166 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
167 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
172 $_[5] =~ s/^\s+//; # take any leading blanks off
173 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
174 if ($_[2] =~ /BUST\w*$/) {
175 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
180 if (@bad = BadWords::check($_[5])) {
181 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
187 # RouteDB::update($_[7], $self->{call});
188 # RouteDB::update($_[6], $_[7]);
190 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
191 # global spot filtering on INPUT
192 if ($self->{inspotsfilter}) {
193 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
195 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
200 # this goes after the input filtering, but before the add
201 # so that if it is input filtered, it isn't added to the dup
202 # list. This allows it to come in from a "legitimate" source
203 if (Spot::dup(@spot[0..4,5])) {
204 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
212 # @spot at this point contains:-
213 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
214 # then spotted itu, spotted cq, spotters itu, spotters cq
215 # you should be able to route on any of these
218 # fix up qra locators of known users
219 my $user = DXUser->get_current($spot[4]);
221 my $qra = $user->qra;
222 unless ($qra && is_qra($qra)) {
223 my $lat = $user->lat;
224 my $long = $user->long;
225 if (defined $lat && defined $long) {
226 $user->qra(DXBearing::lltoqra($lat, $long));
231 # send a remote command to a distant cluster if it is visible and there is no
232 # qra locator and we havn't done it for a month.
234 unless ($user->qra) {
236 my $to = $user->homenode;
237 my $last = $user->lastoper || 0;
238 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
239 my $cmd = "forward/opernam $spot[4]";
240 # send the rcmd but we aren't interested in the replies...
241 my $dxchan = $node->dxchan;
242 if ($dxchan && $dxchan->is_clx) {
243 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
245 route(undef, $to, pc34($main::mycall, $to, $cmd));
249 $node = Route::Node::get($to);
251 $dxchan = $node->dxchan;
252 if ($dxchan && $dxchan->is_clx) {
253 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
255 route(undef, $to, pc34($main::mycall, $to, $cmd));
259 $user->lastoper($main::systime);
268 $r = Local::spot($self, @spot);
270 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
273 # DON'T be silly and send on PC26s!
274 return if $pcno == 26;
276 # send out the filtered spots
277 send_dx_spot($self, $line, @spot) if @spot;
288 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
290 # announce duplicate checking
291 $_[3] =~ s/^\s+//; # remove leading blanks
295 if (@bad = BadWords::check($_[3])) {
296 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
301 # if this is a 'nodx' node then ignore it
302 if ($badnode->in($_[5])) {
303 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
307 # if this is a 'bad spotter' user then ignore it
309 $nossid =~ s/-\d+$//;
310 if ($badspotter->in($nossid)) {
311 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
318 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
319 $self->send_chat(0, $line, @_[1..6]);
320 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
323 # RouteDB::update($_[5], $self->{call});
324 # RouteDB::update($_[1], $_[5]);
326 # ignore something that looks like a chat line coming in with sysop
327 # flag - this is a kludge...
328 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
329 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
333 # here's a bit of fun, convert incoming ann with a callsign in the first word
334 # or one saying 'to <call>' to a talk if we can route to the recipient
336 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
338 my $ref = Route::get($call);
340 $dxchan = $ref->dxchan;
341 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
348 $self->send_announce(0, $line, @_[1..6]);
350 $self->route($_[2], $line);
361 if (eph_dup($line, $eph_pc15_restime)) {
362 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
364 unless ($self->{isolate}) {
365 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
381 my $newline = "PC16^";
383 # dos I want users from this channel?
384 unless ($self->user->wantpc16) {
385 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
390 if ($ncall eq $main::mycall) {
391 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
396 $h = 1 if DXChannel::get($ncall);
397 RouteDB::update($ncall, $self->{call}, $h);
398 if ($h && $self->{call} ne $ncall) {
399 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
403 if (eph_dup($line)) {
404 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
408 my $parent = Route::Node::get($ncall);
411 $dxchan = $parent->dxchan;
412 if ($dxchan && $dxchan ne $self) {
413 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
417 # input filter if required
418 return unless $self->in_filter_route($parent);
420 $parent = Route::Node->new($ncall);
424 if ($parent->via_pc92) {
425 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
432 for ($i = 2; $i < $#_; $i++) {
433 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
434 next unless $call && $conf && defined $here && is_callsign($call);
435 next if $call eq $main::mycall;
437 eph_del_regex("^PC17\\^$call\\^$ncall");
439 $conf = $conf eq '*';
441 # reject this if we think it is a node already
442 my $r = Route::Node::get($call);
443 my $u = DXUser->get_current($call) unless $r;
444 if ($r || ($u && $u->is_node)) {
445 dbg("PCPROT: $call is a node") if isdbg('chanerr');
449 $r = Route::User::get($call);
450 my $flags = Route::here($here)|Route::conf($conf);
453 my $au = $r->addparent($parent);
454 if ($r->flags != $flags) {
458 push @rout, $r if $h && $au;
460 my @ans = $parent->add_user($call, $flags);
461 push @rout, @ans if $h && @ans;
464 # add this station to the user database, if required
465 my $user = DXUser->get_current($ncall);
466 $user = DXUser->new($call) unless $user;
467 $user->homenode($parent->call) if !$user->homenode;
468 $user->node($parent->call);
469 $user->lastin($main::systime) unless DXChannel::get($call);
472 # send info to all logged in thingies
473 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
474 $self->tell_buddies('loginb', $call, $ncall);
477 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
478 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
493 eph_del_regex("^PC16\\^$ncall.*$ucall");
495 # do I want users from this channel?
496 unless ($self->user->wantpc16) {
497 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
501 if ($ncall eq $main::mycall) {
502 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
506 RouteDB::delete($ncall, $self->{call});
508 my $uref = Route::User::get($ucall);
510 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
513 my $parent = Route::Node::get($ncall);
515 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
519 $dxchan = DXChannel::get($ncall);
520 if ($dxchan && $dxchan ne $self) {
521 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
526 if ($parent->via_pc92) {
527 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
532 if (DXChannel::get($ucall)) {
533 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
537 # input filter if required and then remove user if present
538 # return unless $self->in_filter_route($parent);
539 $parent->del_user($uref);
541 # send info to all logged in thingies
542 my $user = DXUser->get_current($ncall);
543 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
544 $self->tell_buddies('logoutb', $ucall, $ncall);
546 if (eph_dup($line)) {
547 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
551 $self->route_pc17($origin, $line, $parent, $uref);
552 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
562 $self->state('init');
564 my $parent = Route::Node::get($self->{call});
566 # record the type and version offered
567 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
568 $self->{version} = 53 + $version;
569 $self->user->version(53 + $version);
570 $parent->version(0 + $version);
571 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
572 $self->{build} = 0 + $build;
573 $self->user->build(0 + $build);
574 $parent->build(0 + $build);
575 dbg("DXSpider version $version build $build");
576 unless ($self->is_spider) {
577 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
578 $self->user->sort('S');
582 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
583 if ($_[1] =~ /\bpc9x/) {
584 if ($self->{isolate}) {
585 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
586 } elsif (!$self->user->wantpc9x) {
587 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
589 $self->{do_pc9x} = 1;
590 dbg("Do px9x set on $self->{call}");
594 dbg("Unknown software");
595 $self->version(50.0);
596 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
597 $self->user->version($self->version);
600 # first clear out any nodes on this dxchannel
601 my @rout = $parent->del_nodes;
602 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
603 $self->send_local_config();
611 # add this station to the user database, if required (don't remove SSID from nodes)
612 my $user = DXUser->get_current($call);
614 $user = DXUser->new($call);
615 $user->priv(1); # I have relented and defaulted nodes
617 $user->homenode($call);
620 $user->sort('A') unless $user->is_node;
624 # incoming cluster list
633 my $newline = "PC19^";
636 my (@rout, @pc92out);
638 # first get the INTERFACE node
639 my $parent = Route::Node::get($self->{call});
641 dbg("PCPROT: my parent $self->{call} has disappeared");
650 # We are making a major change from now on. We are only going to accept
651 # PC19s from directly connected nodes. This means that we are probably
652 # going to throw away most of the data that we are being sent.
654 # The justification for this is that most of it is wrong or out of date
657 # From now on we are only going to believe PC92 data and locally connected
660 for ($i = 1; $i < $#_-1; $i += 4) {
662 my $call = uc $_[$i+1];
665 next unless defined $here && defined $conf && is_callsign($call);
667 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
669 # check for sane parameters
670 # $ver = 5000 if $ver eq '0000';
671 next unless $ver && $ver =~ /^\d+$/;
672 next if $ver < 5000; # only works with version 5 software
673 next if length $call < 3; # min 3 letter callsigns
674 next if $call eq $main::mycall;
676 # check that this PC19 isn't trying to alter the wrong dxchan
678 my $dxchan = DXChannel::get($call);
680 if ($dxchan == $self) {
683 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
688 my $user = check_add_node($call);
690 # if (eph_dup($genline)) {
691 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
695 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
698 if ($parent->via_pc92) {
699 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
704 my $r = Route::Node::get($call);
705 my $flags = Route::here($here)|Route::conf($conf);
707 # modify the routing table if it is in it, otherwise store it in the pc19list for now
710 if ($call ne $parent->call) {
711 if ($self->in_filter_route($r)) {
712 $ar = $parent->add($call, $ver, $flags);
713 # push @rout, $ar if $ar;
718 if ($r->version ne $ver || $r->flags != $flags) {
724 if ($call eq $self->{call} || $user->wantroutepc19) {
725 my $new = Route->new($call); # throw away
726 if ($self->in_filter_route($new)) {
727 my $ar = $parent->add($call, $ver, $flags);
728 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
729 push @rout, $ar if $ar;
730 push @pc92out, $r if $h;
737 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
738 my $mref = DXMsg::get_busy($call);
739 $mref->stop_msg($call) if $mref;
741 $user->lastin($main::systime) unless DXChannel::get($call);
745 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
746 # but remember there will only be one (pair) these because any extras will be
749 # $self->route_pc21($self->{call}, $line, @rout);
750 $self->route_pc19($self->{call}, $line, @rout);
753 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
757 # send local configuration
765 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
766 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
767 $self->{do_pc9x} = 0;
769 $self->send_local_config;
771 $self->state('normal');
772 $self->{lastping} = 0;
773 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
776 # delete a cluster from the list
778 # This should never occur for directly connected nodes.
788 eph_del_regex("^PC1[679].*$call");
790 # if I get a PC21 from the same callsign as self then ignore it
791 if ($call eq $self->call) {
792 dbg("PCPROT: self referencing PC21 from $self->{call}");
796 RouteDB::delete($call, $self->{call});
798 my $parent = Route::Node::get($self->{call});
800 dbg("PCPROT: my parent $self->{call} has disappeared");
807 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
808 my $node = Route::Node::get($call);
811 if ($node->via_pc92) {
812 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
816 my $dxchan = DXChannel::get($call);
817 if ($dxchan && $dxchan != $self) {
818 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
823 return unless $self->in_filter_route($node);
825 # routing objects, force a PC21 if it is local
826 push @rout, $node->del($parent);
827 push @rout, $call if $dxchan && @rout == 0;
830 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
834 if (eph_dup($line)) {
835 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
840 $self->route_pc21($origin, $line, @rout);
841 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
853 if ($self->{do_pc9x}) {
854 if ($self->{state} ne 'init92') {
855 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
856 $self->{do_pc9x} = 0;
859 $self->{lastping} = 0;
860 $self->state('normal');
861 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
872 # route foreign' pc27s
874 if ($_[8] ne $main::mycall) {
875 $self->route($_[8], $line);
880 # only do a rspf check on PC23 (not 27)
882 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
886 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
887 my $sfi = unpad($_[3]);
888 my $k = unpad($_[4]);
889 my $i = unpad($_[5]);
890 my ($r) = $_[6] =~ /R=(\d+)/;
892 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
893 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
897 # global wwv filtering on INPUT
898 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
899 if ($self->{inwwvfilter}) {
900 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
902 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
906 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
907 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
908 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
912 # note this only takes the first one it gets
913 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
917 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
919 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
922 # DON'T be silly and send on PC27s!
923 return if $pcno == 27;
925 # broadcast to the eager world
926 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
938 $nref = Route::Node::get($call);
939 $uref = Route::User::get($call);
940 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
942 if (eph_dup($line)) {
943 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
947 $nref->here($_[2]) if $nref;
948 $uref->here($_[2]) if $uref;
949 my $ref = $nref || $uref;
950 return unless $self->in_filter_route($ref);
952 $self->route_pc24($origin, $line, $ref, $_[3]);
962 if ($_[1] ne $main::mycall) {
963 $self->route($_[1], $line);
966 if ($_[2] eq $main::mycall) {
967 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
971 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
975 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
978 $self->send(pc26(@{$in}[0..4], $_[2]));
984 my @in = reverse Geomag::search(0, $_[4], time, 1);
987 $self->send(pc27(@{$in}[0..5], $_[2]));
992 sub handle_26 {goto &handle_11}
993 sub handle_27 {goto &handle_23}
1002 if ($_[1] eq $main::mycall) {
1004 my $sub = "DXMsg::handle_$pcno";
1007 $self->route($_[1], $line) unless $self->is_clx;
1011 sub handle_29 {goto &handle_28}
1012 sub handle_30 {goto &handle_28}
1013 sub handle_31 {goto &handle_28}
1014 sub handle_32 {goto &handle_28}
1015 sub handle_33 {goto &handle_28}
1023 if (eph_dup($line, $eph_pc34_restime)) {
1024 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1026 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1030 # remote command replies
1037 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1038 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1041 sub handle_36 {goto &handle_34}
1050 if ($_[1] eq $main::mycall) {
1052 my $sub = "DXDb::handle_$pcno";
1055 $self->route($_[1], $line) unless $self->is_clx;
1059 # node connected list from neighbour
1068 # incoming disconnect
1075 if ($_[1] eq $self->{call}) {
1076 $self->disconnect(1);
1078 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1082 sub handle_40 {goto &handle_28}
1095 my $l = "PC41^$call^$sort";
1096 if (eph_dup($l, $eph_info_restime)) {
1097 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1101 # input filter if required
1102 # my $ref = Route::get($call) || Route->new($call);
1103 # return unless $self->in_filter_route($ref);
1105 if ($val eq $sort || $val =~ /^\s*$/) {
1106 dbg('PCPROT: invalid value') if isdbg('chanerr');
1110 # add this station to the user database, if required
1111 my $user = DXUser->get_current($call);
1112 $user = DXUser->new($call) unless $user;
1115 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1116 dbg("PCPROT: invalid name") if isdbg('chanerr');
1117 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1118 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1123 } elsif ($sort == 2) {
1125 } elsif ($sort == 3) {
1126 if (is_latlong($val)) {
1127 my ($lat, $long) = DXBearing::stoll($val);
1128 $user->lat($lat) if $lat;
1129 $user->long($long) if $long;
1130 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1132 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1135 } elsif ($sort == 4) {
1136 $user->homenode($val);
1137 } elsif ($sort == 5) {
1138 if (is_qra(uc $val)) {
1139 my ($lat, $long) = DXBearing::qratoll(uc $val);
1140 $user->lat($lat) if $lat && !$user->lat;
1141 $user->long($long) if $long && !$user->long;
1142 $user->qra(uc $val);
1144 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1148 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1151 unless ($self->{isolate}) {
1152 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1155 # perhaps this IS what we want after all
1156 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1159 sub handle_42 {goto &handle_28}
1163 sub handle_44 {goto &handle_37}
1164 sub handle_45 {goto &handle_37}
1165 sub handle_46 {goto &handle_37}
1166 sub handle_47 {goto &handle_37}
1167 sub handle_48 {goto &handle_37}
1169 # message and database
1177 if (eph_dup($line)) {
1178 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1182 if ($_[1] eq $main::mycall) {
1183 DXMsg::handle_49($self, @_);
1185 $self->route($_[1], $line) unless $self->is_clx;
1189 # keep alive/user list
1199 RouteDB::update($call, $self->{call});
1201 my $node = Route::Node::get($call);
1203 return unless $node->call eq $self->{call};
1204 $node->usercount($_[2]);
1206 # input filter if required
1207 return unless $self->in_filter_route($node);
1209 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1213 # incoming ping requests/answers
1226 if ($to eq $main::mycall) {
1228 $self->send(pc51($from, $to, '0'));
1230 DXXml::Ping::handle_ping_reply($self, $from);
1234 RouteDB::update($from, $self->{call});
1236 if (eph_dup($line)) {
1237 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1240 # route down an appropriate thingy
1241 $self->route($to, $line);
1245 # dunno but route it
1253 if ($call ne $main::mycall) {
1254 $self->route($call, $line);
1268 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1269 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1270 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1273 @_ = map { unpad($_) } @_;
1275 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1279 my $wcy = WCY::update($d, @_[2..12]);
1283 $rep = Local::wcy($self, @_[1..12]);
1285 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1288 # broadcast to the eager world
1289 send_wcy_spot($self, $line, $d, @_[2..12]);
1292 # remote commands (incoming)
1299 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1302 # remote command replies
1309 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1312 # decode a pc92 call: flag call : version : build
1313 sub _decode_pc92_call
1316 my @part = split /:/, $icall;
1317 my ($flag, $call) = unpack "A A*", $part[0];
1318 return () unless defined $flag && $flag ge '0' && $flag le '7';
1319 return () unless $call && is_callsign($call);
1320 my $is_node = $flag & 4;
1321 my $is_extnode = $flag & 2;
1322 my $here = $flag & 1;
1323 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1326 # decode a pc92 call: flag call : version : build
1327 sub _encode_pc92_call
1331 # plain call or value
1332 return $ref unless ref $ref;
1336 my $call = $ref->call;
1338 $flag |= $ref->here ? 1 : 0;
1339 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1341 my $dxchan = DXChannel::get($call);
1342 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1344 if ($ref->version) {
1345 my $version = $ref->version || 1.0;
1346 $version = $version * 100 + 5300 if $version < 50;
1347 $extra .= ":" . $version;
1351 return "$flag$call$extra";
1358 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1363 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1364 @rout = $parent->add($call, $version, Route::here($here));
1366 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1367 @rout = $parent->add_user($call, Route::here($here));
1377 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1381 my $nref = Route::Node::get($call);
1382 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1383 @rout = $nref->del($parent) if $nref;
1385 my $uref = Route::User::get($call);
1386 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1387 @rout = $parent->del_user($uref) if $uref;
1398 if (!$_last_time || $_last_time != $main::systime) {
1399 $_last_time = $main::systime;
1401 return $_last_time - $main::systime_daystart;
1404 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1415 my $parent = ref $call ? $call : Route::Node::get($call);
1417 # we only do this for external calls whose routing table
1418 # record come and go. The reference for mycall is permanent
1419 # and not that frequently used, it also never times out, so
1420 # the id on it is completely unreliable. Besides, only commands
1421 # originating on this box will go through this code...
1422 if ($parent->call ne $main::mycall) {
1423 my $lastid = $parent->lastid->{$pc} || 0;
1425 if ($lastid-86400+$t > $pc9x_past_age) {
1426 dbg("PCPROT: dup id on $t <= $lastid (midnight rollover), ignored") if isdbg('chanerr');
1430 if ($lastid >= $t) {
1431 dbg("PCPROT: dup id on $call $lastid >= $t, ignored") if isdbg('chanerr');
1436 $parent = Route::Node->new($call);
1438 $parent->lastid->{$pc} = $t;
1443 # DXSpider routing entries
1455 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1461 if ($pcall eq $main::mycall) {
1462 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1466 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1467 if ($self->{isolate}) {
1468 dbg("PC9x received, but $pcall is isolated, ignored");
1470 } elsif (!$self->user->wantpc9x) {
1471 dbg("PC9x explicitly switched off on $pcall, ignored");
1474 $self->state('init92');
1475 $self->{do_pc9x} = 1;
1476 dbg("Do pc9x set on $pcall");
1479 unless ($self->{do_pc9x}) {
1480 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1484 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1485 my $oparent = $parent;
1487 $parent->do_pc9x(1);
1488 $parent->via_pc92(1);
1490 if ($sort eq 'F' || $sort eq 'R') {
1492 # this is the route finding section
1493 # here is where the consequences of the 'find' command
1503 if ($ref = DXChannel::get($target)) {
1504 $flag = 1; # we are directly connected
1506 $ref = Route::get($target);
1507 $dxchan = $ref->dxchan;
1510 if ($ref && $flag && $dxchan) {
1511 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1514 } elsif ($sort eq 'R') {
1515 if (my $dxchan = DXChannel::get($from)) {
1516 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1518 my $ref = Route::get($from);
1520 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1522 $_->send($line) for @dxchan;
1524 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1527 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1532 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1534 # this is the main route section
1535 # here is where all the routes are created and destroyed
1537 my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
1541 # look at the first one which will always be a node of some sort
1542 # except in the case of 'A' or 'D' in which the $pcall is used
1543 # otherwise use the node call and update any information
1544 # that needs to be done.
1545 my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
1546 if (($sort eq 'A' || $sort eq 'D') && !$is_node) {
1547 # parent is already set correctly
1548 # this is to allow shortcuts for A and D records
1549 # not repeating the origin call to no real purpose
1552 if ($call && $is_node) {
1553 if ($call eq $main::mycall) {
1554 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1558 # this is only accepted from my "self"
1559 if (DXChannel::get($call) && $call ne $self->{call}) {
1560 dbg("PCPROT: locally connected node config for $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1563 # reparent to external node (note that we must have received a 'C' or 'A' record
1564 # from the true parent node for this external before we get one for the this node
1565 unless ($parent = Route::Node::get($call)) {
1566 if ($is_extnode && $oparent) {
1567 @radd = _add_thingy($oparent, $ent[0]);
1570 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1574 $parent = check_pc9x_t($call, $t, 92) || return;
1575 $parent->via_pc92(1);
1578 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1581 $parent->here(Route::here($here));
1582 $parent->version($version) if $version && $version > $parent->version;
1583 $parent->build($build) if $build && $build > $parent->build;
1588 # do a pass through removing any references to either locally connected nodes or mycall
1592 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1593 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1601 push @radd, _add_thingy($parent, $_);
1603 } elsif ($sort eq 'D') {
1605 push @rdel, _del_thingy($parent, $_);
1607 } elsif ($sort eq 'C') {
1608 my (@nodes, @users);
1610 # we only reset obscounts on config records
1611 $oparent->reset_obs;
1612 $oparent->PC92C_dxchan($self->{call}) unless $self->{call} eq $oparent->call;
1613 dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
1614 if ($oparent != $parent) {
1616 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1617 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1621 foreach my $r (@nent) {
1622 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1625 push @nodes, $r->[0];
1627 push @users, $r->[0];
1630 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1634 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1637 foreach my $r (@nent) {
1640 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1644 foreach my $r (@$dnodes) {
1645 push @rdel,_del_thingy($parent, [$r, 1]);
1647 foreach my $r (@$dusers) {
1648 push @rdel,_del_thingy($parent, [$r, 0]);
1651 # remember this last PC92C for rebroadcast on demand
1652 $parent->last_PC92C($line);
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 '$_[1]', ignored") if isdbg('chanerr');
1691 unless ($self->{do_pc9x}) {
1692 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1697 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1704 $onode = $pcall if @_ <= 8;
1706 # will we allow it at all?
1709 if (@bad = BadWords::check($text)) {
1710 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1715 # this is catch loops caused by bad software ...
1716 if (eph_dup("PC93|$from|$text|$onode")) {
1720 # if this is a 'bad spotter' user then ignore it
1722 $nossid =~ s/-\d+$//;
1723 if ($badspotter->in($nossid)) {
1724 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1728 if (is_callsign($to)) {
1731 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1732 $dxchan = DXChannel::get($to) unless $dxchan;
1733 if ($dxchan && $dxchan->is_user) {
1734 $dxchan->talk($from, $to, $via, $text, $onode);
1738 # convert to PC10 talks where appropriate
1739 my $ref = Route::get($to);
1741 # just go for the "best" one for now (rather than broadcast)
1742 $dxchan = $ref->dxchan;
1743 # my @dxchan = $ref->alldxchan;
1744 # for $dxchan (@dxchan) {
1745 if ($dxchan->{do_pc9x}) {
1746 $dxchan->send($line);
1748 $dxchan->talk($from, $to, $via, $text, $onode);
1754 # otherwise, drop through and allow it to be broadcast
1755 } elsif ($to eq '*' || uc $to eq 'SYSOP' || uc $to eq 'WX') {
1757 my $sysop = uc $to eq 'SYSOP' ? '*' : ' ';
1758 my $wx = uc $to eq 'WX' ? '1' : '0';
1759 my $local = $via eq 'LOCAL' ? '*' : $via;
1761 $self->send_announce(1, pc12($from, $text, $local, $via, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1762 return if $via eq 'LOCAL';
1764 # chat messages to non-pc9x nodes
1765 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1767 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1770 # if get here then rebroadcast the thing with its Hop count decremented (if
1771 # there is one). If it has a hop count and it decrements to zero then don't
1774 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1785 unless (eph_dup($line)) {
1788 unless (is_callsign($pcall)) {
1789 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1793 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1794 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1796 unless ($self->{isolate}) {
1797 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me