3 # This module impliments the handlers for the protocal mode for a dx cluster
5 # Copyright (c) 1998-2006 Dirk Koopman G1TLH
40 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
41 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
42 $pingint $obscount %pc19list $chatdupeage $chatimportfn
43 $investigation_int $pc19_version $myprot_version
44 %nodehops $baddx $badspotter $badnode $censorpc
45 $allowzero $decode_dk0wcy $send_opernam @checklist
46 $eph_pc15_restime $pc9x_past_age $pc9x_future_age
47 $pc10_dupe_age $pc92_slug_changes $last_pc92_slug
50 $pc9x_past_age = 62*60; # maximum age in the past of a px9x (a config record might be the only
51 # thing a node might send - once an hour)
52 $pc9x_future_age = 5*60; # maximum age in the future ditto
53 $pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
54 $pc92_slug_changes = 0; # slug any changes going outward for this long
55 $last_pc92_slug = 0; # the last time we sent out any delayed add or del PC92s
57 # incoming talk commands
65 # this is to catch loops caused by bad software ...
66 if (eph_dup($line, $pc10_dupe_age)) {
70 # will we allow it at all?
73 if (@bad = BadWords::check($_[3])) {
74 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
79 # is it for me or one of mine?
80 my ($from, $to, $via, $call, $dxchan);
89 # if this is a 'nodx' node then ignore it
90 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
91 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
95 # if this is a 'bad spotter' user then ignore it
98 if ($badspotter->in($nossid)) {
99 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
103 # if we are converting announces to talk is it a dup?
105 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
106 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
111 # remember a route to this node and also the node on which this user is
112 RouteDB::update($_[6], $self->{call});
113 # RouteDB::update($to, $_[6]);
115 # convert this to a PC93, coming from mycall with origin set and process it as such
116 $main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
127 # route 'foreign' pc26s
129 if ($_[7] ne $main::mycall) {
130 $self->route($_[7], $line);
135 # is the spotted callsign blank? This should really be trapped earlier but it
136 # could break other protocol sentences. Also check for lower case characters.
137 if ($_[2] =~ /^\s*$/) {
138 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
141 if ($_[2] =~ /[a-z]/) {
142 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
147 # if this is a 'nodx' node then ignore it
148 if ($badnode->in($_[7])) {
149 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
153 # if this is a 'bad spotter' user then ignore it
155 $nossid =~ s/-\d+$//;
156 if ($badspotter->in($nossid)) {
157 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
161 # convert the date to a unix date
162 my $d = cltounix($_[3], $_[4]);
163 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
164 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
165 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
170 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
171 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
176 $_[5] =~ s/^\s+//; # take any leading blanks off
177 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
178 if ($_[2] =~ /BUST\w*$/) {
179 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
184 if (@bad = BadWords::check($_[5])) {
185 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
191 # RouteDB::update($_[7], $self->{call});
192 # RouteDB::update($_[6], $_[7]);
194 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
195 # global spot filtering on INPUT
196 if ($self->{inspotsfilter}) {
197 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
199 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
204 # this goes after the input filtering, but before the add
205 # so that if it is input filtered, it isn't added to the dup
206 # list. This allows it to come in from a "legitimate" source
207 if (Spot::dup(@spot[0..4,5])) {
208 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
216 # @spot at this point contains:-
217 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
218 # then spotted itu, spotted cq, spotters itu, spotters cq
219 # you should be able to route on any of these
222 # fix up qra locators of known users
223 my $user = DXUser->get_current($spot[4]);
225 my $qra = $user->qra;
226 unless ($qra && is_qra($qra)) {
227 my $lat = $user->lat;
228 my $long = $user->long;
229 if (defined $lat && defined $long) {
230 $user->qra(DXBearing::lltoqra($lat, $long));
235 # send a remote command to a distant cluster if it is visible and there is no
236 # qra locator and we havn't done it for a month.
238 unless ($user->qra) {
240 my $to = $user->homenode;
241 my $last = $user->lastoper || 0;
242 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
243 my $cmd = "forward/opernam $spot[4]";
244 # send the rcmd but we aren't interested in the replies...
245 my $dxchan = $node->dxchan;
246 if ($dxchan && $dxchan->is_clx) {
247 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
249 route(undef, $to, pc34($main::mycall, $to, $cmd));
253 $node = Route::Node::get($to);
255 $dxchan = $node->dxchan;
256 if ($dxchan && $dxchan->is_clx) {
257 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
259 route(undef, $to, pc34($main::mycall, $to, $cmd));
263 $user->lastoper($main::systime);
272 $r = Local::spot($self, @spot);
274 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
277 # DON'T be silly and send on PC26s!
278 return if $pcno == 26;
280 # send out the filtered spots
281 send_dx_spot($self, $line, @spot) if @spot;
292 # announce duplicate checking
293 $_[3] =~ s/^\s+//; # remove leading blanks
297 if (@bad = BadWords::check($_[3])) {
298 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
303 # if this is a 'nodx' node then ignore it
304 if ($badnode->in($_[5])) {
305 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
309 # if this is a 'bad spotter' user then ignore it
311 $nossid =~ s/-\d+$//;
312 if ($badspotter->in($nossid)) {
313 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
320 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
321 $self->send_chat(0, $line, @_[1..6]);
322 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
325 # RouteDB::update($_[5], $self->{call});
326 # RouteDB::update($_[1], $_[5]);
328 # ignore something that looks like a chat line coming in with sysop
329 # flag - this is a kludge...
330 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
331 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
335 # here's a bit of fun, convert incoming ann with a callsign in the first word
336 # or one saying 'to <call>' to a talk if we can route to the recipient
338 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
340 my $ref = Route::get($call);
342 $dxchan = $ref->dxchan;
343 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
350 $self->send_announce(0, $line, @_[1..6]);
352 $self->route($_[2], $line);
363 if (eph_dup($line, $eph_pc15_restime)) {
366 unless ($self->{isolate}) {
367 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
383 my $newline = "PC16^";
385 # dos I want users from this channel?
386 unless ($self->user->wantpc16) {
387 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
392 if ($ncall eq $main::mycall) {
393 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
398 $h = 1 if DXChannel::get($ncall);
399 RouteDB::update($ncall, $self->{call}, $h);
400 if ($h && $self->{call} ne $ncall) {
401 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
405 if (eph_dup($line)) {
409 # isolate now means only accept stuff from this call only
410 if ($self->{isolate} && $ncall ne $self->{call}) {
411 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
415 my $parent = Route::Node::get($ncall);
418 $dxchan = $parent->dxchan;
419 if ($dxchan && $dxchan ne $self) {
420 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
424 # input filter if required
425 return unless $self->in_filter_route($parent);
427 $parent = Route::Node->new($ncall);
431 if ($parent->via_pc92) {
432 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
439 for ($i = 2; $i < $#_; $i++) {
440 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
441 next unless $call && $conf && defined $here && is_callsign($call);
442 next if $call eq $main::mycall;
444 eph_del_regex("^PC17\\^$call\\^$ncall");
446 $conf = $conf eq '*';
448 # reject this if we think it is a node already
449 my $r = Route::Node::get($call);
450 my $u = DXUser->get_current($call) unless $r;
451 if ($r || ($u && $u->is_node)) {
452 dbg("PCPROT: $call is a node") if isdbg('chanerr');
456 $r = Route::User::get($call);
457 my $flags = Route::here($here)|Route::conf($conf);
460 my $au = $r->addparent($parent);
461 if ($r->flags != $flags) {
465 push @rout, $r if $h && $au;
467 my @ans = $parent->add_user($call, $flags);
468 push @rout, @ans if $h && @ans;
471 # add this station to the user database, if required
472 my $user = DXUser->get_current($ncall);
473 $user = DXUser->new($call) unless $user;
474 $user->homenode($parent->call) if !$user->homenode;
475 $user->node($parent->call);
476 $user->lastin($main::systime) unless DXChannel::get($call);
479 # send info to all logged in thingies
480 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
481 $self->tell_buddies('loginb', $call, $ncall);
484 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
485 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
500 eph_del_regex("^PC16\\^$ncall.*$ucall");
502 # do I want users from this channel?
503 unless ($self->user->wantpc16) {
504 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
508 if ($ncall eq $main::mycall) {
509 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
513 # isolate now means only accept stuff from this call only
514 if ($self->{isolate} && $ncall ne $self->{call}) {
515 dbg("PCPROT: $self->{call} isolated, $ncall ignored") if isdbg('chanerr');
519 RouteDB::delete($ncall, $self->{call});
521 my $uref = Route::User::get($ucall);
523 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
526 my $parent = Route::Node::get($ncall);
528 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
532 $dxchan = DXChannel::get($ncall);
533 if ($dxchan && $dxchan ne $self) {
534 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
539 if ($parent->via_pc92) {
540 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
545 if (DXChannel::get($ucall)) {
546 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
550 # input filter if required and then remove user if present
551 # return unless $self->in_filter_route($parent);
552 $parent->del_user($uref);
554 # send info to all logged in thingies
555 my $user = DXUser->get_current($ncall);
556 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
557 $self->tell_buddies('logoutb', $ucall, $ncall);
559 if (eph_dup($line)) {
563 $self->route_pc17($origin, $line, $parent, $uref);
564 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
574 $self->state('init');
576 my $parent = Route::Node::get($self->{call});
578 # record the type and version offered
579 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
580 $self->{version} = 53 + $version;
581 $self->user->version(53 + $version);
582 $parent->version(0 + $version);
583 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
584 $self->{build} = 0 + $build;
585 $self->user->build(0 + $build);
586 $parent->build(0 + $build);
587 dbg("DXSpider version $version build $build");
588 unless ($self->is_spider) {
589 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
590 $self->user->sort('S');
594 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
595 if ($_[1] =~ /\bpc9x/) {
596 if ($self->{isolate}) {
597 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
598 } elsif (!$self->user->wantpc9x) {
599 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
601 $self->{do_pc9x} = 1;
602 dbg("Do px9x set on $self->{call}");
606 dbg("Unknown software");
607 $self->version(50.0);
608 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
609 $self->user->version($self->version);
612 # first clear out any nodes on this dxchannel
613 my @rout = $parent->del_nodes;
614 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
615 $self->send_local_config();
623 # add this station to the user database, if required (don't remove SSID from nodes)
624 my $user = DXUser->get_current($call);
626 $user = DXUser->new($call);
627 $user->priv(1); # I have relented and defaulted nodes
629 $user->homenode($call);
632 $user->sort('A') unless $user->is_node;
636 # incoming cluster list
645 my $newline = "PC19^";
648 my (@rout, @pc92out);
650 # first get the INTERFACE node
651 my $parent = Route::Node::get($self->{call});
653 dbg("PCPROT: my parent $self->{call} has disappeared");
662 # We are making a major change from now on. We are only going to accept
663 # PC19s from directly connected nodes. This means that we are probably
664 # going to throw away most of the data that we are being sent.
666 # The justification for this is that most of it is wrong or out of date
669 # From now on we are only going to believe PC92 data and locally connected
672 for ($i = 1; $i < $#_-1; $i += 4) {
674 my $call = uc $_[$i+1];
677 next unless defined $here && defined $conf && is_callsign($call);
679 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
681 # check for sane parameters
682 # $ver = 5000 if $ver eq '0000';
683 next unless $ver && $ver =~ /^\d+$/;
684 next if $ver < 5000; # only works with version 5 software
685 next if length $call < 3; # min 3 letter callsigns
686 next if $call eq $main::mycall;
688 # check that this PC19 isn't trying to alter the wrong dxchan
690 my $dxchan = DXChannel::get($call);
692 if ($dxchan == $self) {
695 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
700 # isolate now means only accept stuff from this call only
701 if ($self->{isolate} && $call ne $self->{call}) {
702 dbg("PCPROT: $self->{call} isolated, $call ignored") if isdbg('chanerr');
706 my $user = check_add_node($call);
708 # if (eph_dup($genline)) {
709 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
713 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
716 if ($parent->via_pc92) {
717 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
722 my $r = Route::Node::get($call);
723 my $flags = Route::here($here)|Route::conf($conf);
725 # modify the routing table if it is in it, otherwise store it in the pc19list for now
728 if ($call ne $parent->call) {
729 if ($self->in_filter_route($r)) {
730 $ar = $parent->add($call, $ver, $flags);
731 # push @rout, $ar if $ar;
736 if ($r->version ne $ver || $r->flags != $flags) {
742 if ($call eq $self->{call} || $user->wantroutepc19) {
743 my $new = Route->new($call); # throw away
744 if ($self->in_filter_route($new)) {
745 my $ar = $parent->add($call, $ver, $flags);
746 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
747 push @rout, $ar if $ar;
748 push @pc92out, $r if $h;
755 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
756 my $mref = DXMsg::get_busy($call);
757 $mref->stop_msg($call) if $mref;
759 $user->lastin($main::systime) unless DXChannel::get($call);
763 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
764 # but remember there will only be one (pair) these because any extras will be
767 # $self->route_pc21($self->{call}, $line, @rout);
768 $self->route_pc19($self->{call}, $line, @rout);
770 if (@pc92out && !$pc92_slug_changes) {
771 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
775 # send local configuration
783 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
784 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
785 $self->{do_pc9x} = 0;
787 $self->send_local_config;
789 $self->state('normal');
790 $self->{lastping} = 0;
791 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
794 # delete a cluster from the list
796 # This should never occur for directly connected nodes.
806 eph_del_regex("^PC1[679].*$call");
808 # if I get a PC21 from the same callsign as self then ignore it
809 if ($call eq $self->{call}) {
810 dbg("PCPROT: self referencing PC21 from $self->{call}");
814 # for the above reason and also because of the check for PC21s coming
815 # in for self->call from outside being ignored further down
816 # we don't need any isolation code here, because we will never
817 # act on a PC21 with self->call in it.
819 RouteDB::delete($call, $self->{call});
821 my $parent = Route::Node::get($self->{call});
823 dbg("PCPROT: my parent $self->{call} has disappeared");
830 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
831 my $node = Route::Node::get($call);
834 if ($node->via_pc92) {
835 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
839 my $dxchan = DXChannel::get($call);
840 if ($dxchan && $dxchan != $self) {
841 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
846 return unless $self->in_filter_route($node);
848 # routing objects, force a PC21 if it is local
849 push @rout, $node->del($parent);
850 push @rout, $call if $dxchan && @rout == 0;
853 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
857 if (eph_dup($line)) {
862 $self->route_pc21($origin, $line, @rout);
863 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
875 if ($self->{do_pc9x}) {
876 if ($self->{state} ne 'init92') {
877 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
878 $self->{do_pc9x} = 0;
881 $self->{lastping} = 0;
882 $self->state('normal');
883 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
894 # route foreign' pc27s
896 if ($_[8] ne $main::mycall) {
897 $self->route($_[8], $line);
904 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
905 my $sfi = unpad($_[3]);
906 my $k = unpad($_[4]);
907 my $i = unpad($_[5]);
908 my ($r) = $_[6] =~ /R=(\d+)/;
910 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
911 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
915 # global wwv filtering on INPUT
916 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
917 if ($self->{inwwvfilter}) {
918 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
920 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
924 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
925 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
926 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
930 # note this only takes the first one it gets
931 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
935 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
937 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
940 # DON'T be silly and send on PC27s!
941 return if $pcno == 27;
943 # broadcast to the eager world
944 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
956 $nref = Route::Node::get($call);
957 $uref = Route::User::get($call);
958 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
960 if (eph_dup($line)) {
964 $nref->here($_[2]) if $nref;
965 $uref->here($_[2]) if $uref;
966 my $ref = $nref || $uref;
967 return unless $self->in_filter_route($ref);
969 $self->route_pc24($origin, $line, $ref, $_[3]);
979 if ($_[1] ne $main::mycall) {
980 $self->route($_[1], $line);
983 if ($_[2] eq $main::mycall) {
984 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
988 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
992 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
995 $self->send(pc26(@{$in}[0..4], $_[2]));
1001 my @in = reverse Geomag::search(0, $_[4], time, 1);
1004 $self->send(pc27(@{$in}[0..5], $_[2]));
1009 sub handle_26 {goto &handle_11}
1010 sub handle_27 {goto &handle_23}
1012 # mail/file handling
1019 if ($_[1] eq $main::mycall) {
1021 my $sub = "DXMsg::handle_$pcno";
1024 $self->route($_[1], $line) unless $self->is_clx;
1028 sub handle_29 {goto &handle_28}
1029 sub handle_30 {goto &handle_28}
1030 sub handle_31 {goto &handle_28}
1031 sub handle_32 {goto &handle_28}
1032 sub handle_33 {goto &handle_28}
1040 if (eph_dup($line, $eph_pc34_restime)) {
1043 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1047 # remote command replies
1054 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1055 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1058 sub handle_36 {goto &handle_34}
1067 if ($_[1] eq $main::mycall) {
1069 my $sub = "DXDb::handle_$pcno";
1072 $self->route($_[1], $line) unless $self->is_clx;
1076 # node connected list from neighbour
1085 # incoming disconnect
1092 if ($_[1] eq $self->{call}) {
1093 $self->disconnect(1);
1095 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1099 sub handle_40 {goto &handle_28}
1112 my $l = "PC41^$call^$sort";
1113 if (eph_dup($l, $eph_info_restime)) {
1117 # input filter if required
1118 # my $ref = Route::get($call) || Route->new($call);
1119 # return unless $self->in_filter_route($ref);
1121 if ($val eq $sort || $val =~ /^\s*$/) {
1122 dbg('PCPROT: invalid value') if isdbg('chanerr');
1126 # add this station to the user database, if required
1127 my $user = DXUser->get_current($call);
1128 $user = DXUser->new($call) unless $user;
1131 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1132 dbg("PCPROT: invalid name") if isdbg('chanerr');
1133 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1134 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1139 } elsif ($sort == 2) {
1141 } elsif ($sort == 3) {
1142 if (is_latlong($val)) {
1143 my ($lat, $long) = DXBearing::stoll($val);
1144 $user->lat($lat) if $lat;
1145 $user->long($long) if $long;
1146 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1148 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1151 } elsif ($sort == 4) {
1152 $user->homenode($val);
1153 } elsif ($sort == 5) {
1154 if (is_qra(uc $val)) {
1155 my ($lat, $long) = DXBearing::qratoll(uc $val);
1156 $user->lat($lat) if $lat && !$user->lat;
1157 $user->long($long) if $long && !$user->long;
1158 $user->qra(uc $val);
1160 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1164 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1167 unless ($self->{isolate}) {
1168 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1171 # perhaps this IS what we want after all
1172 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1175 sub handle_42 {goto &handle_28}
1179 sub handle_44 {goto &handle_37}
1180 sub handle_45 {goto &handle_37}
1181 sub handle_46 {goto &handle_37}
1182 sub handle_47 {goto &handle_37}
1183 sub handle_48 {goto &handle_37}
1185 # message and database
1193 if (eph_dup($line)) {
1197 if ($_[1] eq $main::mycall) {
1198 DXMsg::handle_49($self, @_);
1200 $self->route($_[1], $line) unless $self->is_clx;
1204 # keep alive/user list
1214 RouteDB::update($call, $self->{call});
1216 my $node = Route::Node::get($call);
1218 return unless $node->call eq $self->{call};
1219 $node->usercount($_[2]);
1221 # input filter if required
1222 return unless $self->in_filter_route($node);
1224 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1228 # incoming ping requests/answers
1241 if ($to eq $main::mycall) {
1243 $self->send(pc51($from, $to, '0'));
1245 DXXml::Ping::handle_ping_reply($self, $from);
1249 RouteDB::update($from, $self->{call});
1251 if (eph_dup($line)) {
1254 # route down an appropriate thingy
1255 $self->route($to, $line);
1259 # dunno but route it
1267 if ($call ne $main::mycall) {
1268 $self->route($call, $line);
1282 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1283 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1284 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1287 @_ = map { unpad($_) } @_;
1289 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1293 my $wcy = WCY::update($d, @_[2..12]);
1297 $rep = Local::wcy($self, @_[1..12]);
1299 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1302 # broadcast to the eager world
1303 send_wcy_spot($self, $line, $d, @_[2..12]);
1306 # remote commands (incoming)
1313 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1316 # remote command replies
1323 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1326 # decode a pc92 call: flag call : version : build
1327 sub _decode_pc92_call
1330 my @part = split /:/, $icall;
1331 my ($flag, $call) = unpack "A A*", $part[0];
1332 return () unless defined $flag && $flag ge '0' && $flag le '7';
1333 return () unless $call && is_callsign($call);
1334 my $is_node = $flag & 4;
1335 my $is_extnode = $flag & 2;
1336 my $here = $flag & 1;
1337 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1340 # decode a pc92 call: flag call : version : build
1341 sub _encode_pc92_call
1345 # plain call or value
1346 return $ref unless ref $ref;
1350 my $call = $ref->call;
1352 $flag |= $ref->here ? 1 : 0;
1353 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1355 my $dxchan = DXChannel::get($call);
1356 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1358 if ($ref->version) {
1359 my $version = $ref->version || 1.0;
1360 $version = $version * 100 + 5300 if $version < 50;
1361 $extra .= ":" . $version;
1365 return "$flag$call$extra";
1375 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1380 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1381 @rout = $parent->add($call, $version, Route::here($here));
1383 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1384 @rout = $parent->add_user($call, Route::here($here));
1386 if ($pc92_slug_changes && $parent == $main::routeroot) {
1387 $things_add{$call} = Route::get($call);
1388 delete $things_del{$call};
1398 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1403 $ref = Route::Node::get($call);
1404 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1405 @rout = $ref->del($parent) if $ref;
1407 $ref = Route::User::get($call);
1408 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1409 @rout = $parent->del_user($ref) if $ref;
1411 if ($pc92_slug_changes && $parent == $main::routeroot) {
1412 $things_del{$call} = $ref unless exists $things_add{$call};
1413 delete $things_add{$call};
1419 # this will only happen if we are slugging changes and
1420 # there are some changes to be sent, it will create an add or a delete
1422 sub gen_pc92_changes
1424 my @add = values %things_add;
1425 my @del = values %things_del;
1426 return (\@add, \@del);
1429 sub clear_pc92_changes
1431 %things_add = %things_del = ();
1432 $last_pc92_slug = $main::systime;
1440 if (!$_last_time || $_last_time != $main::systime) {
1441 $_last_time = $main::systime;
1443 return $_last_time - $main::systime_daystart;
1446 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1457 my $parent = ref $call ? $call : Route::Node::get($call);
1459 # we only do this for external calls whose routing table
1460 # record come and go. The reference for mycall is permanent
1461 # and not that frequently used, it also never times out, so
1462 # the id on it is completely unreliable. Besides, only commands
1463 # originating on this box will go through this code...
1464 if ($parent->call ne $main::mycall) {
1465 my $lastid = $parent->lastid || 0;
1467 if ($t+86400-$lastid > $pc9x_past_age) {
1468 dbg("PCPROT: dup id on $t <= $lastid, ignored") if isdbg('chanerr');
1471 } elsif ($t == $lastid) {
1472 dbg("PCPROT: dup id on $t == $lastid, ignored") if isdbg('chanerr');
1475 # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
1476 if ($t+$main::systime_daystart-$main::systime > $pc9x_future_age ) {
1477 dbg("PCPROT: id $t too far in the future, ignored") if isdbg('chanerr');
1483 $parent = Route::Node->new($call);
1485 $parent->lastid($t) if $parent;
1490 # DXSpider routing entries
1502 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1508 if ($pcall eq $main::mycall) {
1509 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1513 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1514 if ($self->{isolate}) {
1515 dbg("PC9x received, but $pcall is isolated, ignored");
1517 } elsif (!$self->user->wantpc9x) {
1518 dbg("PC9x explicitly switched off on $pcall, ignored");
1521 $self->state('init92');
1522 $self->{do_pc9x} = 1;
1523 dbg("Do pc9x set on $pcall");
1526 unless ($self->{do_pc9x}) {
1527 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1531 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1532 my $oparent = $parent;
1534 $parent->do_pc9x(1);
1535 $parent->via_pc92(1);
1537 if ($sort eq 'F' || $sort eq 'R') {
1539 # this is the route finding section
1540 # here is where the consequences of the 'find' command
1550 if ($ref = DXChannel::get($target)) {
1551 $flag = 1; # we are directly connected
1553 $ref = Route::get($target);
1554 $dxchan = $ref->dxchan;
1557 if ($ref && $flag && $dxchan) {
1558 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1561 } elsif ($sort eq 'R') {
1562 if (my $dxchan = DXChannel::get($from)) {
1563 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1565 my $ref = Route::get($from);
1567 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1569 $_->send($line) for @dxchan;
1571 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1574 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1579 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1581 # remember the last channel we arrived on
1582 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1584 # this is the main route section
1585 # here is where all the routes are created and destroyed
1587 my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
1591 # look at the first one which will always be a node of some sort
1592 # except in the case of 'A' or 'D' in which the $pcall is used
1593 # otherwise use the node call and update any information
1594 # that needs to be done.
1595 my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
1596 if (($sort eq 'A' || $sort eq 'D') && !$is_node) {
1597 # parent is already set correctly
1598 # this is to allow shortcuts for A and D records
1599 # not repeating the origin call to no real purpose
1602 if ($call && $is_node) {
1603 if ($call eq $main::mycall) {
1604 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1607 # this is only accepted from my "self".
1608 # this also kills configs from PC92 nodes with external PC19 nodes that are also
1609 # locally connected. Local nodes always take precedence.
1610 if (DXChannel::get($call) && $call ne $self->{call}) {
1611 dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
1615 # reparent to external node (note that we must have received a 'C' or 'A' record
1616 # from the true parent node for this external before we get one for the this node
1617 unless ($parent = Route::Node::get($call)) {
1618 if ($is_extnode && $oparent) {
1619 @radd = _add_thingy($oparent, $ent[0]);
1622 dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
1626 $parent = check_pc9x_t($call, $t, 92) || return;
1627 $parent->via_pc92(1);
1628 $parent->PC92C_dxchan($self->{call});
1631 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1634 $parent->here(Route::here($here));
1635 $parent->version($version) if $version && $version > $parent->version;
1636 $parent->build($build) if $build && $build > $parent->build;
1637 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1642 # do a pass through removing any references to either locally connected nodes or mycall
1646 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1647 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1655 push @radd, _add_thingy($parent, $_);
1657 } elsif ($sort eq 'D') {
1659 push @rdel, _del_thingy($parent, $_);
1661 } elsif ($sort eq 'C') {
1662 my (@nodes, @users);
1664 # we only reset obscounts on config records
1665 $oparent->reset_obs;
1666 dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
1667 if ($oparent != $parent) {
1669 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1673 foreach my $r (@nent) {
1674 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1677 push @nodes, $r->[0];
1679 push @users, $r->[0];
1682 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1686 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1689 foreach my $r (@nent) {
1692 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1696 foreach my $r (@$dnodes) {
1697 push @rdel,_del_thingy($parent, [$r, 1]);
1699 foreach my $r (@$dusers) {
1700 push @rdel,_del_thingy($parent, [$r, 0]);
1703 # remember this last PC92C for rebroadcast on demand
1704 $parent->last_PC92C($line);
1706 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1710 foreach my $r (@rdel) {
1713 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1714 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1716 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1717 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1718 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1719 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1720 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1723 # broadcast it if we get here
1724 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1735 # $self->{do_pc9x} ||= 1;
1738 unless (is_callsign($pcall)) {
1739 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1743 # remember that we are converting PC10->PC93 and self will be $main::me if it
1745 unless ($self->{do_pc9x}) {
1746 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1751 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1754 my $from = uc $_[4];
1757 my $onode = uc $_[7];
1758 $onode = $pcall if @_ <= 8;
1760 # this is catch loops caused by bad software ...
1761 if (eph_dup("PC93|$from|$text|$onode", $pc10_dupe_age)) {
1765 # will we allow it at all?
1768 if (@bad = BadWords::check($text)) {
1769 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1774 # if this is a 'bad spotter' user then ignore it
1776 $nossid =~ s/-\d+$//;
1777 if ($badspotter->in($nossid)) {
1778 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1782 # if it is routeable then then treat it like a talk
1783 my $ref = Route::get($to);
1787 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1788 $dxchan = DXChannel::get($to) unless $dxchan;
1791 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1792 if ($dxchan->is_user) {
1793 $dxchan->talk($from, $to, $via, $text, $onode);
1797 dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
1801 # convert to PC10 talks where appropriate
1802 # just go for the "best" one for now (rather than broadcast)
1803 $dxchan = $ref->dxchan;
1806 if (ref $dxchan && $dxchan->isa('DXChannel')) {
1807 if ($dxchan->{do_pc9x}) {
1808 $dxchan->send($line);
1810 $dxchan->talk($from, $to, $via, $text, $onode);
1813 dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
1817 } elsif ($to eq '*' || $to eq 'SYSOP' || $to eq 'WX') {
1819 my $sysop = $to eq 'SYSOP' ? '*' : ' ';
1820 my $wx = $to eq 'WX' ? '1' : '0';
1821 my $local = $via eq 'LOCAL' ? '*' : $via;
1823 $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1824 return if $via eq 'LOCAL';
1825 } elsif (!is_callsign($to) && $text =~ /^#\d+ /) {
1826 # chat messages to non-pc9x nodes
1827 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1829 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1832 # if get here then rebroadcast the thing with its Hop count decremented (if
1833 # there is one). If it has a hop count and it decrements to zero then don't
1836 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1847 unless (eph_dup($line)) {
1850 unless (is_callsign($pcall)) {
1851 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1855 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1856 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1858 unless ($self->{isolate}) {
1859 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me