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 = 62*60; # maximum age in the past of a px9x (a config record might be the only
50 # thing a node might send - once an hour)
51 $pc9x_future_age = 5*60; # maximum age in the future ditto
53 # incoming talk commands
62 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
64 # will we allow it at all?
67 if (@bad = BadWords::check($_[3])) {
68 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
73 # is it for me or one of mine?
74 my ($from, $to, $via, $call, $dxchan);
83 # if this is a 'nodx' node then ignore it
84 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
85 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
89 # if this is a 'bad spotter' user then ignore it
92 if ($badspotter->in($nossid)) {
93 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
97 # if we are converting announces to talk is it a dup?
99 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
100 dbg("PCPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
105 # remember a route to this node and also the node on which this user is
106 RouteDB::update($_[6], $self->{call});
107 # RouteDB::update($to, $_[6]);
109 # convert this to a PC93 and process it as such
110 $self->normal(pc93($to, $from, $via, $_[3], $_[6]));
121 # route 'foreign' pc26s
123 if ($_[7] ne $main::mycall) {
124 $self->route($_[7], $line);
130 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
132 # is the spotted callsign blank? This should really be trapped earlier but it
133 # could break other protocol sentences. Also check for lower case characters.
134 if ($_[2] =~ /^\s*$/) {
135 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
138 if ($_[2] =~ /[a-z]/) {
139 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
144 # if this is a 'nodx' node then ignore it
145 if ($badnode->in($_[7])) {
146 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
150 # if this is a 'bad spotter' user then ignore it
152 $nossid =~ s/-\d+$//;
153 if ($badspotter->in($nossid)) {
154 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
158 # convert the date to a unix date
159 my $d = cltounix($_[3], $_[4]);
160 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
161 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
162 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
167 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
168 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
173 $_[5] =~ s/^\s+//; # take any leading blanks off
174 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
175 if ($_[2] =~ /BUST\w*$/) {
176 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
181 if (@bad = BadWords::check($_[5])) {
182 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
188 # RouteDB::update($_[7], $self->{call});
189 # RouteDB::update($_[6], $_[7]);
191 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
192 # global spot filtering on INPUT
193 if ($self->{inspotsfilter}) {
194 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
196 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
201 # this goes after the input filtering, but before the add
202 # so that if it is input filtered, it isn't added to the dup
203 # list. This allows it to come in from a "legitimate" source
204 if (Spot::dup(@spot[0..4,5])) {
205 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
213 # @spot at this point contains:-
214 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
215 # then spotted itu, spotted cq, spotters itu, spotters cq
216 # you should be able to route on any of these
219 # fix up qra locators of known users
220 my $user = DXUser->get_current($spot[4]);
222 my $qra = $user->qra;
223 unless ($qra && is_qra($qra)) {
224 my $lat = $user->lat;
225 my $long = $user->long;
226 if (defined $lat && defined $long) {
227 $user->qra(DXBearing::lltoqra($lat, $long));
232 # send a remote command to a distant cluster if it is visible and there is no
233 # qra locator and we havn't done it for a month.
235 unless ($user->qra) {
237 my $to = $user->homenode;
238 my $last = $user->lastoper || 0;
239 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
240 my $cmd = "forward/opernam $spot[4]";
241 # send the rcmd but we aren't interested in the replies...
242 my $dxchan = $node->dxchan;
243 if ($dxchan && $dxchan->is_clx) {
244 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
246 route(undef, $to, pc34($main::mycall, $to, $cmd));
250 $node = Route::Node::get($to);
252 $dxchan = $node->dxchan;
253 if ($dxchan && $dxchan->is_clx) {
254 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
256 route(undef, $to, pc34($main::mycall, $to, $cmd));
260 $user->lastoper($main::systime);
269 $r = Local::spot($self, @spot);
271 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
274 # DON'T be silly and send on PC26s!
275 return if $pcno == 26;
277 # send out the filtered spots
278 send_dx_spot($self, $line, @spot) if @spot;
289 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
291 # announce duplicate checking
292 $_[3] =~ s/^\s+//; # remove leading blanks
296 if (@bad = BadWords::check($_[3])) {
297 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
302 # if this is a 'nodx' node then ignore it
303 if ($badnode->in($_[5])) {
304 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
308 # if this is a 'bad spotter' user then ignore it
310 $nossid =~ s/-\d+$//;
311 if ($badspotter->in($nossid)) {
312 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
319 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
320 $self->send_chat(0, $line, @_[1..6]);
321 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
324 # RouteDB::update($_[5], $self->{call});
325 # RouteDB::update($_[1], $_[5]);
327 # ignore something that looks like a chat line coming in with sysop
328 # flag - this is a kludge...
329 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
330 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
334 # here's a bit of fun, convert incoming ann with a callsign in the first word
335 # or one saying 'to <call>' to a talk if we can route to the recipient
337 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
339 my $ref = Route::get($call);
341 $dxchan = $ref->dxchan;
342 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
349 $self->send_announce(0, $line, @_[1..6]);
351 $self->route($_[2], $line);
362 if (eph_dup($line, $eph_pc15_restime)) {
363 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
365 unless ($self->{isolate}) {
366 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
382 my $newline = "PC16^";
384 # dos I want users from this channel?
385 unless ($self->user->wantpc16) {
386 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
391 if ($ncall eq $main::mycall) {
392 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
397 $h = 1 if DXChannel::get($ncall);
398 RouteDB::update($ncall, $self->{call}, $h);
399 if ($h && $self->{call} ne $ncall) {
400 dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr');
404 if (eph_dup($line)) {
405 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
409 my $parent = Route::Node::get($ncall);
412 $dxchan = $parent->dxchan;
413 if ($dxchan && $dxchan ne $self) {
414 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
418 # input filter if required
419 return unless $self->in_filter_route($parent);
421 $parent = Route::Node->new($ncall);
425 if ($parent->via_pc92) {
426 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
433 for ($i = 2; $i < $#_; $i++) {
434 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
435 next unless $call && $conf && defined $here && is_callsign($call);
436 next if $call eq $main::mycall;
438 eph_del_regex("^PC17\\^$call\\^$ncall");
440 $conf = $conf eq '*';
442 # reject this if we think it is a node already
443 my $r = Route::Node::get($call);
444 my $u = DXUser->get_current($call) unless $r;
445 if ($r || ($u && $u->is_node)) {
446 dbg("PCPROT: $call is a node") if isdbg('chanerr');
450 $r = Route::User::get($call);
451 my $flags = Route::here($here)|Route::conf($conf);
454 my $au = $r->addparent($parent);
455 if ($r->flags != $flags) {
459 push @rout, $r if $h && $au;
461 my @ans = $parent->add_user($call, $flags);
462 push @rout, @ans if $h && @ans;
465 # add this station to the user database, if required
466 my $user = DXUser->get_current($ncall);
467 $user = DXUser->new($call) unless $user;
468 $user->homenode($parent->call) if !$user->homenode;
469 $user->node($parent->call);
470 $user->lastin($main::systime) unless DXChannel::get($call);
473 # send info to all logged in thingies
474 $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
475 $self->tell_buddies('loginb', $call, $ncall);
478 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
479 # $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal';
494 eph_del_regex("^PC16\\^$ncall.*$ucall");
496 # do I want users from this channel?
497 unless ($self->user->wantpc16) {
498 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
502 if ($ncall eq $main::mycall) {
503 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
507 RouteDB::delete($ncall, $self->{call});
509 my $uref = Route::User::get($ucall);
511 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
514 my $parent = Route::Node::get($ncall);
516 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
520 $dxchan = DXChannel::get($ncall);
521 if ($dxchan && $dxchan ne $self) {
522 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
527 if ($parent->via_pc92) {
528 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
533 if (DXChannel::get($ucall)) {
534 dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr');
538 # input filter if required and then remove user if present
539 # return unless $self->in_filter_route($parent);
540 $parent->del_user($uref);
542 # send info to all logged in thingies
543 my $user = DXUser->get_current($ncall);
544 $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
545 $self->tell_buddies('logoutb', $ucall, $ncall);
547 if (eph_dup($line)) {
548 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
552 $self->route_pc17($origin, $line, $parent, $uref);
553 # $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;
563 $self->state('init');
565 my $parent = Route::Node::get($self->{call});
567 # record the type and version offered
568 if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
569 $self->{version} = 53 + $version;
570 $self->user->version(53 + $version);
571 $parent->version(0 + $version);
572 my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
573 $self->{build} = 0 + $build;
574 $self->user->build(0 + $build);
575 $parent->build(0 + $build);
576 dbg("DXSpider version $version build $build");
577 unless ($self->is_spider) {
578 dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
579 $self->user->sort('S');
583 # $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
584 if ($_[1] =~ /\bpc9x/) {
585 if ($self->{isolate}) {
586 dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
587 } elsif (!$self->user->wantpc9x) {
588 dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
590 $self->{do_pc9x} = 1;
591 dbg("Do px9x set on $self->{call}");
595 dbg("Unknown software");
596 $self->version(50.0);
597 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
598 $self->user->version($self->version);
601 # first clear out any nodes on this dxchannel
602 my @rout = $parent->del_nodes;
603 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
604 $self->send_local_config();
612 # add this station to the user database, if required (don't remove SSID from nodes)
613 my $user = DXUser->get_current($call);
615 $user = DXUser->new($call);
616 $user->priv(1); # I have relented and defaulted nodes
618 $user->homenode($call);
621 $user->sort('A') unless $user->is_node;
625 # incoming cluster list
634 my $newline = "PC19^";
637 my (@rout, @pc92out);
639 # first get the INTERFACE node
640 my $parent = Route::Node::get($self->{call});
642 dbg("PCPROT: my parent $self->{call} has disappeared");
651 # We are making a major change from now on. We are only going to accept
652 # PC19s from directly connected nodes. This means that we are probably
653 # going to throw away most of the data that we are being sent.
655 # The justification for this is that most of it is wrong or out of date
658 # From now on we are only going to believe PC92 data and locally connected
661 for ($i = 1; $i < $#_-1; $i += 4) {
663 my $call = uc $_[$i+1];
666 next unless defined $here && defined $conf && is_callsign($call);
668 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
670 # check for sane parameters
671 # $ver = 5000 if $ver eq '0000';
672 next unless $ver && $ver =~ /^\d+$/;
673 next if $ver < 5000; # only works with version 5 software
674 next if length $call < 3; # min 3 letter callsigns
675 next if $call eq $main::mycall;
677 # check that this PC19 isn't trying to alter the wrong dxchan
679 my $dxchan = DXChannel::get($call);
681 if ($dxchan == $self) {
684 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
689 my $user = check_add_node($call);
691 # if (eph_dup($genline)) {
692 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
696 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
699 if ($parent->via_pc92) {
700 dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr');
705 my $r = Route::Node::get($call);
706 my $flags = Route::here($here)|Route::conf($conf);
708 # modify the routing table if it is in it, otherwise store it in the pc19list for now
711 if ($call ne $parent->call) {
712 if ($self->in_filter_route($r)) {
713 $ar = $parent->add($call, $ver, $flags);
714 # push @rout, $ar if $ar;
719 if ($r->version ne $ver || $r->flags != $flags) {
725 if ($call eq $self->{call} || $user->wantroutepc19) {
726 my $new = Route->new($call); # throw away
727 if ($self->in_filter_route($new)) {
728 my $ar = $parent->add($call, $ver, $flags);
729 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
730 push @rout, $ar if $ar;
731 push @pc92out, $r if $h;
738 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
739 my $mref = DXMsg::get_busy($call);
740 $mref->stop_msg($call) if $mref;
742 $user->lastin($main::systime) unless DXChannel::get($call);
746 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
747 # but remember there will only be one (pair) these because any extras will be
750 # $self->route_pc21($self->{call}, $line, @rout);
751 $self->route_pc19($self->{call}, $line, @rout);
754 $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal';
758 # send local configuration
766 if ($self->{do_pc9x} && $self->{state} ne 'init92') {
767 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
768 $self->{do_pc9x} = 0;
770 $self->send_local_config;
772 $self->state('normal');
773 $self->{lastping} = 0;
774 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
777 # delete a cluster from the list
779 # This should never occur for directly connected nodes.
789 eph_del_regex("^PC1[679].*$call");
791 # if I get a PC21 from the same callsign as self then ignore it
792 if ($call eq $self->call) {
793 dbg("PCPROT: self referencing PC21 from $self->{call}");
797 RouteDB::delete($call, $self->{call});
799 my $parent = Route::Node::get($self->{call});
801 dbg("PCPROT: my parent $self->{call} has disappeared");
808 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
809 my $node = Route::Node::get($call);
812 if ($node->via_pc92) {
813 dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr');
817 my $dxchan = DXChannel::get($call);
818 if ($dxchan && $dxchan != $self) {
819 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
824 return unless $self->in_filter_route($node);
826 # routing objects, force a PC21 if it is local
827 push @rout, $node->del($parent);
828 push @rout, $call if $dxchan && @rout == 0;
831 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
835 if (eph_dup($line)) {
836 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
841 $self->route_pc21($origin, $line, @rout);
842 # $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout);
854 if ($self->{do_pc9x}) {
855 if ($self->{state} ne 'init92') {
856 $self->send("Reseting to oldstyle routing because login call not sent in any pc92");
857 $self->{do_pc9x} = 0;
860 $self->{lastping} = 0;
861 $self->state('normal');
862 $self->route_pc92a($main::mycall, undef, $main::routeroot, Route::Node::get($self->{call}));
873 # route foreign' pc27s
875 if ($_[8] ne $main::mycall) {
876 $self->route($_[8], $line);
881 # only do a rspf check on PC23 (not 27)
883 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
887 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
888 my $sfi = unpad($_[3]);
889 my $k = unpad($_[4]);
890 my $i = unpad($_[5]);
891 my ($r) = $_[6] =~ /R=(\d+)/;
893 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
894 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
898 # global wwv filtering on INPUT
899 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
900 if ($self->{inwwvfilter}) {
901 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
903 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
907 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
908 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
909 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
913 # note this only takes the first one it gets
914 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
918 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
920 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
923 # DON'T be silly and send on PC27s!
924 return if $pcno == 27;
926 # broadcast to the eager world
927 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
939 $nref = Route::Node::get($call);
940 $uref = Route::User::get($call);
941 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
943 if (eph_dup($line)) {
944 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
948 $nref->here($_[2]) if $nref;
949 $uref->here($_[2]) if $uref;
950 my $ref = $nref || $uref;
951 return unless $self->in_filter_route($ref);
953 $self->route_pc24($origin, $line, $ref, $_[3]);
963 if ($_[1] ne $main::mycall) {
964 $self->route($_[1], $line);
967 if ($_[2] eq $main::mycall) {
968 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
972 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
976 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
979 $self->send(pc26(@{$in}[0..4], $_[2]));
985 my @in = reverse Geomag::search(0, $_[4], time, 1);
988 $self->send(pc27(@{$in}[0..5], $_[2]));
993 sub handle_26 {goto &handle_11}
994 sub handle_27 {goto &handle_23}
1003 if ($_[1] eq $main::mycall) {
1005 my $sub = "DXMsg::handle_$pcno";
1008 $self->route($_[1], $line) unless $self->is_clx;
1012 sub handle_29 {goto &handle_28}
1013 sub handle_30 {goto &handle_28}
1014 sub handle_31 {goto &handle_28}
1015 sub handle_32 {goto &handle_28}
1016 sub handle_33 {goto &handle_28}
1024 if (eph_dup($line, $eph_pc34_restime)) {
1025 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1027 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1031 # remote command replies
1038 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1039 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1042 sub handle_36 {goto &handle_34}
1051 if ($_[1] eq $main::mycall) {
1053 my $sub = "DXDb::handle_$pcno";
1056 $self->route($_[1], $line) unless $self->is_clx;
1060 # node connected list from neighbour
1069 # incoming disconnect
1076 if ($_[1] eq $self->{call}) {
1077 $self->disconnect(1);
1079 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1083 sub handle_40 {goto &handle_28}
1096 my $l = "PC41^$call^$sort";
1097 if (eph_dup($l, $eph_info_restime)) {
1098 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1102 # input filter if required
1103 # my $ref = Route::get($call) || Route->new($call);
1104 # return unless $self->in_filter_route($ref);
1106 if ($val eq $sort || $val =~ /^\s*$/) {
1107 dbg('PCPROT: invalid value') if isdbg('chanerr');
1111 # add this station to the user database, if required
1112 my $user = DXUser->get_current($call);
1113 $user = DXUser->new($call) unless $user;
1116 if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) {
1117 dbg("PCPROT: invalid name") if isdbg('chanerr');
1118 if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') {
1119 DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me
1124 } elsif ($sort == 2) {
1126 } elsif ($sort == 3) {
1127 if (is_latlong($val)) {
1128 my ($lat, $long) = DXBearing::stoll($val);
1129 $user->lat($lat) if $lat;
1130 $user->long($long) if $long;
1131 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra;
1133 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1136 } elsif ($sort == 4) {
1137 $user->homenode($val);
1138 } elsif ($sort == 5) {
1139 if (is_qra(uc $val)) {
1140 my ($lat, $long) = DXBearing::qratoll(uc $val);
1141 $user->lat($lat) if $lat && !$user->lat;
1142 $user->long($long) if $long && !$user->long;
1143 $user->qra(uc $val);
1145 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1149 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1152 unless ($self->{isolate}) {
1153 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1156 # perhaps this IS what we want after all
1157 # $self->route_pc41($ref, $call, $sort, $val, $_[4]);
1160 sub handle_42 {goto &handle_28}
1164 sub handle_44 {goto &handle_37}
1165 sub handle_45 {goto &handle_37}
1166 sub handle_46 {goto &handle_37}
1167 sub handle_47 {goto &handle_37}
1168 sub handle_48 {goto &handle_37}
1170 # message and database
1178 if (eph_dup($line)) {
1179 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1183 if ($_[1] eq $main::mycall) {
1184 DXMsg::handle_49($self, @_);
1186 $self->route($_[1], $line) unless $self->is_clx;
1190 # keep alive/user list
1200 RouteDB::update($call, $self->{call});
1202 my $node = Route::Node::get($call);
1204 return unless $node->call eq $self->{call};
1205 $node->usercount($_[2]);
1207 # input filter if required
1208 return unless $self->in_filter_route($node);
1210 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1214 # incoming ping requests/answers
1227 if ($to eq $main::mycall) {
1229 $self->send(pc51($from, $to, '0'));
1231 DXXml::Ping::handle_ping_reply($self, $from);
1235 RouteDB::update($from, $self->{call});
1237 if (eph_dup($line)) {
1238 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1241 # route down an appropriate thingy
1242 $self->route($to, $line);
1246 # dunno but route it
1254 if ($call ne $main::mycall) {
1255 $self->route($call, $line);
1269 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1270 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1271 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1274 @_ = map { unpad($_) } @_;
1276 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1280 my $wcy = WCY::update($d, @_[2..12]);
1284 $rep = Local::wcy($self, @_[1..12]);
1286 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1289 # broadcast to the eager world
1290 send_wcy_spot($self, $line, $d, @_[2..12]);
1293 # remote commands (incoming)
1300 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1303 # remote command replies
1310 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1313 # decode a pc92 call: flag call : version : build
1314 sub _decode_pc92_call
1317 my @part = split /:/, $icall;
1318 my ($flag, $call) = unpack "A A*", $part[0];
1319 return () unless defined $flag && $flag ge '0' && $flag le '7';
1320 return () unless $call && is_callsign($call);
1321 my $is_node = $flag & 4;
1322 my $is_extnode = $flag & 2;
1323 my $here = $flag & 1;
1324 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1327 # decode a pc92 call: flag call : version : build
1328 sub _encode_pc92_call
1332 # plain call or value
1333 return $ref unless ref $ref;
1337 my $call = $ref->call;
1339 $flag |= $ref->here ? 1 : 0;
1340 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1342 my $dxchan = DXChannel::get($call);
1343 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x};
1345 if ($ref->version) {
1346 my $version = $ref->version || 1.0;
1347 $version = $version * 100 + 5300 if $version < 50;
1348 $extra .= ":" . $version;
1352 return "$flag$call$extra";
1359 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1364 dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow');
1365 @rout = $parent->add($call, $version, Route::here($here));
1367 dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow');
1368 @rout = $parent->add_user($call, Route::here($here));
1378 my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s;
1382 my $nref = Route::Node::get($call);
1383 dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow');
1384 @rout = $nref->del($parent) if $nref;
1386 my $uref = Route::User::get($call);
1387 dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow');
1388 @rout = $parent->del_user($uref) if $uref;
1399 if (!$_last_time || $_last_time != $main::systime) {
1400 $_last_time = $main::systime;
1402 return $_last_time - $main::systime_daystart;
1405 return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs;
1416 my $parent = ref $call ? $call : Route::Node::get($call);
1418 # we only do this for external calls whose routing table
1419 # record come and go. The reference for mycall is permanent
1420 # and not that frequently used, it also never times out, so
1421 # the id on it is completely unreliable. Besides, only commands
1422 # originating on this box will go through this code...
1423 if ($parent->call ne $main::mycall) {
1424 my $lastid = $parent->lastid->{$pc} || 0;
1426 if ($t+86400-$lastid > $pc9x_past_age) {
1427 dbg("PCPROT: dup id on $t <= $lastid, ignored") if isdbg('chanerr');
1430 } elsif ($t == $lastid) {
1431 dbg("PCPROT: dup id on $t == $lastid, ignored") if isdbg('chanerr');
1434 # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
1435 if ($t+$main::systime_daystart-$main::systime > $pc9x_future_age ) {
1436 dbg("PCPROT: id $t too far in the future, ignored") if isdbg('chanerr');
1442 $parent = Route::Node->new($call);
1444 $parent->lastid->{$pc} = $t;
1449 # DXSpider routing entries
1461 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1467 if ($pcall eq $main::mycall) {
1468 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1472 if ($pcall eq $self->{call} && $self->{state} eq 'init') {
1473 if ($self->{isolate}) {
1474 dbg("PC9x received, but $pcall is isolated, ignored");
1476 } elsif (!$self->user->wantpc9x) {
1477 dbg("PC9x explicitly switched off on $pcall, ignored");
1480 $self->state('init92');
1481 $self->{do_pc9x} = 1;
1482 dbg("Do pc9x set on $pcall");
1485 unless ($self->{do_pc9x}) {
1486 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1490 my $parent = check_pc9x_t($pcall, $t, 92, 1) || return;
1491 my $oparent = $parent;
1493 $parent->do_pc9x(1);
1494 $parent->via_pc92(1);
1496 if ($sort eq 'F' || $sort eq 'R') {
1498 # this is the route finding section
1499 # here is where the consequences of the 'find' command
1509 if ($ref = DXChannel::get($target)) {
1510 $flag = 1; # we are directly connected
1512 $ref = Route::get($target);
1513 $dxchan = $ref->dxchan;
1516 if ($ref && $flag && $dxchan) {
1517 $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000)));
1520 } elsif ($sort eq 'R') {
1521 if (my $dxchan = DXChannel::get($from)) {
1522 handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]);
1524 my $ref = Route::get($from);
1526 my @dxchan = grep {$_->do_pc9x} $ref->alldxchan;
1528 $_->send($line) for @dxchan;
1530 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1533 dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
1538 } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
1540 # this is the main route section
1541 # here is where all the routes are created and destroyed
1543 my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_];
1547 # look at the first one which will always be a node of some sort
1548 # except in the case of 'A' or 'D' in which the $pcall is used
1549 # otherwise use the node call and update any information
1550 # that needs to be done.
1551 my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]};
1552 if (($sort eq 'A' || $sort eq 'D') && !$is_node) {
1553 # parent is already set correctly
1554 # this is to allow shortcuts for A and D records
1555 # not repeating the origin call to no real purpose
1558 if ($call && $is_node) {
1559 if ($call eq $main::mycall) {
1560 dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
1563 # this is only accepted from my "self".
1564 # this also kills configs from PC92 nodes with external PC19 nodes that are also
1565 # locally connected. Local nodes always take precedence.
1566 if (DXChannel::get($call) && $call ne $self->{call}) {
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, $ent[0]);
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);
1586 dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
1589 $parent->here(Route::here($here));
1590 $parent->version($version) if $version && $version > $parent->version;
1591 $parent->build($build) if $build && $build > $parent->build;
1596 # do a pass through removing any references to either locally connected nodes or mycall
1600 if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) {
1601 dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr');
1609 push @radd, _add_thingy($parent, $_);
1611 } elsif ($sort eq 'D') {
1613 push @rdel, _del_thingy($parent, $_);
1615 } elsif ($sort eq 'C') {
1616 my (@nodes, @users);
1618 # we only reset obscounts on config records
1619 $oparent->reset_obs;
1620 $oparent->PC92C_dxchan($self->{call}) unless $self->{call} eq $oparent->call;
1621 dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
1622 if ($oparent != $parent) {
1624 $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
1625 dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
1629 foreach my $r (@nent) {
1630 # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_);
1633 push @nodes, $r->[0];
1635 push @users, $r->[0];
1638 dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
1642 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1645 foreach my $r (@nent) {
1648 push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers);
1652 foreach my $r (@$dnodes) {
1653 push @rdel,_del_thingy($parent, [$r, 1]);
1655 foreach my $r (@$dusers) {
1656 push @rdel,_del_thingy($parent, [$r, 0]);
1659 # remember this last PC92C for rebroadcast on demand
1660 $parent->last_PC92C($line);
1662 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1666 foreach my $r (@rdel) {
1669 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1670 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1672 my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
1673 my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
1674 unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent;
1675 $self->route_pc19($pcall, undef, @pc19) if @pc19;
1676 $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
1679 # broadcast it if we get here
1680 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1691 # $self->{do_pc9x} ||= 1;
1694 unless (is_callsign($pcall)) {
1695 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1699 unless ($self->{do_pc9x}) {
1700 dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
1705 my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
1712 $onode = $pcall if @_ <= 8;
1714 # will we allow it at all?
1717 if (@bad = BadWords::check($text)) {
1718 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
1723 # this is catch loops caused by bad software ...
1724 if (eph_dup("PC93|$from|$text|$onode")) {
1728 # if this is a 'bad spotter' user then ignore it
1730 $nossid =~ s/-\d+$//;
1731 if ($badspotter->in($nossid)) {
1732 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
1736 if (is_callsign($to)) {
1739 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
1740 $dxchan = DXChannel::get($to) unless $dxchan;
1741 if ($dxchan && $dxchan->is_user) {
1742 $dxchan->talk($from, $to, $via, $text, $onode);
1746 # convert to PC10 talks where appropriate
1747 my $ref = Route::get($to);
1749 # just go for the "best" one for now (rather than broadcast)
1750 $dxchan = $ref->dxchan;
1751 # my @dxchan = $ref->alldxchan;
1752 # for $dxchan (@dxchan) {
1753 if ($dxchan->{do_pc9x}) {
1754 $dxchan->send($line);
1756 $dxchan->talk($from, $to, $via, $text, $onode);
1762 # otherwise, drop through and allow it to be broadcast
1763 } elsif ($to eq '*' || uc $to eq 'SYSOP' || uc $to eq 'WX') {
1765 my $sysop = uc $to eq 'SYSOP' ? '*' : ' ';
1766 my $wx = uc $to eq 'WX' ? '1' : '0';
1767 my $local = $via eq 'LOCAL' ? '*' : $via;
1769 $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
1770 return if $via eq 'LOCAL';
1772 # chat messages to non-pc9x nodes
1773 $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0');
1775 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1778 # if get here then rebroadcast the thing with its Hop count decremented (if
1779 # there is one). If it has a hop count and it decrements to zero then don't
1782 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1793 unless (eph_dup($line)) {
1796 unless (is_callsign($pcall)) {
1797 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1801 my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return;
1802 $self->broadcast_route_pc9x($pcall, undef, $line, 0);
1804 unless ($self->{isolate}) {
1805 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me