3 # This module impliments the handlers for the protocal mode for a dx cluster
5 # Copyright (c) 1998-2006 Dirk Koopman G1TLH
41 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
42 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
43 $pingint $obscount %pc19list $chatdupeage $chatimportfn
44 $investigation_int $pc19_version $myprot_version
45 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
46 $allowzero $decode_dk0wcy $send_opernam @checklist
49 # incoming talk commands
58 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
60 # will we allow it at all?
63 if (@bad = BadWords::check($_[3])) {
64 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
69 # is it for me or one of mine?
70 my ($from, $to, $via, $call, $dxchan);
79 # if this is a 'nodx' node then ignore it
80 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
81 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
85 # if this is a 'bad spotter' user then ignore it
88 if ($badspotter->in($nossid)) {
89 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
93 # if we are converting announces to talk is it a dup?
95 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
96 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
101 # remember a route to this node and also the node on which this user is
102 RouteDB::update($_[6], $self->{call});
103 # RouteDB::update($to, $_[6]);
105 # it is here and logged on
106 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
107 $dxchan = DXChannel::get($to) unless $dxchan;
108 if ($dxchan && $dxchan->is_user) {
110 $dxchan->talk($from, $to, $via, $_[3]);
114 # is it elsewhere, visible on the cluster via the to address?
115 # note: this discards the via unless the to address is on
118 if ($ref = Route::get($to)) {
119 $vref = Route::Node::get($via) if $via;
120 $vref = undef unless $vref && grep $to eq $_, $vref->users;
121 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
125 # can we see an interface to send it down?
127 # not visible here, send a message of condolence
129 $ref = Route::get($from);
130 $vref = $ref = Route::Node::get($_[6]) unless $ref;
132 $dxchan = $ref->dxchan;
133 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
145 # route 'foreign' pc26s
147 if ($_[7] ne $main::mycall) {
148 $self->route($_[7], $line);
154 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
156 # is the spotted callsign blank? This should really be trapped earlier but it
157 # could break other protocol sentences. Also check for lower case characters.
158 if ($_[2] =~ /^\s*$/) {
159 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
162 if ($_[2] =~ /[a-z]/) {
163 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
168 # if this is a 'nodx' node then ignore it
169 if ($badnode->in($_[7])) {
170 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
174 # if this is a 'bad spotter' user then ignore it
176 $nossid =~ s/-\d+$//;
177 if ($badspotter->in($nossid)) {
178 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
182 # convert the date to a unix date
183 my $d = cltounix($_[3], $_[4]);
184 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
185 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
186 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
191 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
192 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
197 $_[5] =~ s/^\s+//; # take any leading blanks off
198 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
199 if ($_[2] =~ /BUST\w*$/) {
200 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
205 if (@bad = BadWords::check($_[5])) {
206 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
212 # RouteDB::update($_[7], $self->{call});
213 # RouteDB::update($_[6], $_[7]);
215 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
216 # global spot filtering on INPUT
217 if ($self->{inspotsfilter}) {
218 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
220 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
225 # this goes after the input filtering, but before the add
226 # so that if it is input filtered, it isn't added to the dup
227 # list. This allows it to come in from a "legitimate" source
228 if (Spot::dup(@spot[0..4,5])) {
229 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
237 # @spot at this point contains:-
238 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
239 # then spotted itu, spotted cq, spotters itu, spotters cq
240 # you should be able to route on any of these
243 # fix up qra locators of known users
244 my $user = DXUser->get_current($spot[4]);
246 my $qra = $user->qra;
247 unless ($qra && is_qra($qra)) {
248 my $lat = $user->lat;
249 my $long = $user->long;
250 if (defined $lat && defined $long) {
251 $user->qra(DXBearing::lltoqra($lat, $long));
256 # send a remote command to a distant cluster if it is visible and there is no
257 # qra locator and we havn't done it for a month.
259 unless ($user->qra) {
261 my $to = $user->homenode;
262 my $last = $user->lastoper || 0;
263 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
264 my $cmd = "forward/opernam $spot[4]";
265 # send the rcmd but we aren't interested in the replies...
266 my $dxchan = $node->dxchan;
267 if ($dxchan && $dxchan->is_clx) {
268 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
270 route(undef, $to, pc34($main::mycall, $to, $cmd));
274 $node = Route::Node::get($to);
276 $dxchan = $node->dxchan;
277 if ($dxchan && $dxchan->is_clx) {
278 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
280 route(undef, $to, pc34($main::mycall, $to, $cmd));
284 $user->lastoper($main::systime);
293 $r = Local::spot($self, @spot);
295 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
298 # DON'T be silly and send on PC26s!
299 return if $pcno == 26;
301 # send out the filtered spots
302 send_dx_spot($self, $line, @spot) if @spot;
313 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
315 # announce duplicate checking
316 $_[3] =~ s/^\s+//; # remove leading blanks
320 if (@bad = BadWords::check($_[3])) {
321 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
326 # if this is a 'nodx' node then ignore it
327 if ($badnode->in($_[5])) {
328 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
332 # if this is a 'bad spotter' user then ignore it
334 $nossid =~ s/-\d+$//;
335 if ($badspotter->in($nossid)) {
336 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
343 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
344 $self->send_chat($line, @_[1..6]);
345 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
348 # RouteDB::update($_[5], $self->{call});
349 # RouteDB::update($_[1], $_[5]);
351 # ignore something that looks like a chat line coming in with sysop
352 # flag - this is a kludge...
353 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
354 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
358 # here's a bit of fun, convert incoming ann with a callsign in the first word
359 # or one saying 'to <call>' to a talk if we can route to the recipient
361 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
363 my $ref = Route::get($call);
365 $dxchan = $ref->dxchan;
366 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
373 $self->send_announce($line, @_[1..6]);
375 $self->route($_[2], $line);
390 my $newline = "PC16^";
392 # dos I want users from this channel?
393 unless ($self->user->wantpc16) {
394 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
398 if ($ncall eq $main::mycall) {
399 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
404 $h = 1 if DXChannel::get($ncall);
405 RouteDB::update($ncall, $self->{call}, $h);
407 if (eph_dup($line)) {
408 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
413 dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
417 my $parent = Route::Node::get($ncall);
420 $dxchan = $parent->dxchan;
421 if ($dxchan && $dxchan ne $self) {
422 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
426 # input filter if required
427 return unless $self->in_filter_route($parent);
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 $au;
460 push @rout, $parent->add_user($call, $flags);
463 # send info to all logged in thingies
464 $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
465 $self->tell_buddies('loginb', $call, $ncall);
467 # add this station to the user database, if required
468 # $call =~ s/-\d+$//o; # remove ssid for users
469 my $user = DXUser->get_current($call);
470 $user = DXUser->new($call) if !$user;
471 $user->homenode($parent->call) if !$user->homenode;
472 $user->node($parent->call);
473 $user->lastin($main::systime) unless DXChannel::get($call);
476 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
491 eph_del_regex("^PC16\\^$ncall.*$ucall");
493 # do I want users from this channel?
494 unless ($self->user->wantpc16) {
495 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
498 if ($ncall eq $main::mycall) {
499 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
503 RouteDB::delete($ncall, $self->{call});
505 unless ($ncall eq $self->{call}) {
506 dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
510 my $uref = Route::User::get($ucall);
512 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');
519 $dxchan = $parent->dxchan if $parent;
520 if ($dxchan && $dxchan ne $self) {
521 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
525 # input filter if required and then remove user if present
527 # return unless $self->in_filter_route($parent);
528 $parent->del_user($uref) if $uref;
530 $parent = Route->new($ncall); # throw away
533 # send info to all logged in thingies
534 $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
535 $self->tell_buddies('logoutb', $ucall, $ncall);
537 if (eph_dup($line)) {
538 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
542 $uref = Route->new($ucall) unless $uref; # throw away
543 $self->route_pc17($origin, $line, $parent, $uref);
553 $self->state('init');
555 # record the type and version offered
556 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
557 $self->version(53 + $1);
558 $self->user->version(53 + $1);
559 $self->build(0 + $2);
560 $self->user->build(0 + $2);
561 unless ($self->is_spider) {
562 $self->user->sort('S');
566 $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
567 $self->{do_pc92}++ if $_[1] =~ /\bpc92\b/;
569 $self->version(50.0);
570 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
571 $self->user->version($self->version);
574 # first clear out any nodes on this dxchannel
575 my $parent = Route::Node::get($self->{call});
576 my @rout = $parent->del_nodes;
577 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
578 $self->send_local_config();
586 # add this station to the user database, if required (don't remove SSID from nodes)
587 my $user = DXUser->get_current($call);
589 $user = DXUser->new($call);
590 $user->priv(1); # I have relented and defaulted nodes
592 $user->homenode($call);
595 $user->sort('A') unless $user->is_node;
599 # incoming cluster list
608 my $newline = "PC19^";
613 # first get the INTERFACE node
614 my $parent = Route::Node::get($self->{call});
616 dbg("DXPROT: my parent $self->{call} has disappeared");
623 # We are making a major change from now on. We are only going to accept
624 # PC19s from directly connected nodes. This means that we are probably
625 # going to throw away most of the data that we are being sent.
627 # The justification for this is that most of it is wrong or out of date
630 # From now on we are only going to believe PC92 data.
632 for ($i = 1; $i < $#_-1; $i += 4) {
634 my $call = uc $_[$i+1];
637 next unless defined $here && defined $conf && is_callsign($call);
639 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
641 # check for sane parameters
642 # $ver = 5000 if $ver eq '0000';
643 next unless $ver && $ver =~ /^\d+$/;
644 next if $ver < 5000; # only works with version 5 software
645 next if length $call < 3; # min 3 letter callsigns
646 next if $call eq $main::mycall;
648 # check that this PC19 isn't trying to alter the wrong dxchan
649 my $dxchan = DXChannel::get($call);
650 if ($dxchan && $dxchan != $self) {
651 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
655 my $user = check_add_node($call);
657 # if (eph_dup($genline)) {
658 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
662 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
665 dbg("PCPROT: PC19 not directly connected, ignored") if isdbg('chanerr');
669 my $r = Route::Node::get($call);
670 my $flags = Route::here($here)|Route::conf($conf);
672 # modify the routing table if it is in it, otherwise store it in the pc19list for now
675 if ($call ne $parent->call) {
676 if ($self->in_filter_route($r)) {
677 $ar = $parent->add($call, $ver, $flags);
678 # push @rout, $ar if $ar;
683 if ($r->version ne $ver || $r->flags != $flags) {
689 if ($call eq $self->{call} || $user->wantroutepc19) {
690 my $new = Route->new($call); # throw away
691 if ($self->in_filter_route($new)) {
692 my $ar = $parent->add($call, $ver, $flags);
693 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
694 push @rout, $ar if $ar;
701 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
702 my $mref = DXMsg::get_busy($call);
703 $mref->stop_msg($call) if $mref;
705 $user->lastin($main::systime) unless DXChannel::get($call);
709 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
710 # but remember there will only be one (pair) these because any extras will be
713 $self->route_pc21($self->{call}, $line, @rout);
714 $self->route_pc19($self->{call}, $line, @rout);
715 $self->route_pc92a($main::mycall, $line, @rout);
719 # send local configuration
726 $self->send_local_config();
728 $self->state('normal');
729 $self->{lastping} = 0;
732 # delete a cluster from the list
734 # This should never occur for directly connected nodes.
744 eph_del_regex("^PC1[679].*$call");
746 # if I get a PC21 from the same callsign as self then ignore it
747 if ($call eq $self->call) {
748 dbg("PCPROT: self referencing PC21 from $self->{call}");
752 RouteDB::delete($call, $self->{call});
754 my $parent = Route::Node::get($self->{call});
756 dbg("PCPROT: my parent $self->{call} has disappeared");
763 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
764 my $node = Route::Node::get($call);
767 my $dxchan = DXChannel::get($call);
768 if ($dxchan && $dxchan != $self) {
769 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
774 return unless $self->in_filter_route($node);
776 # routing objects, force a PC21 if it is local
777 push @rout, $node->del($parent);
778 push @rout, $call if $dxchan && @rout == 0;
781 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
786 $self->route_pc21($origin, $line, @rout);
787 $self->route_pc92d($main::mycall, $line, @rout);
798 $self->state('normal');
799 $self->{lastping} = 0;
810 # route foreign' pc27s
812 if ($_[8] ne $main::mycall) {
813 $self->route($_[8], $line);
818 # only do a rspf check on PC23 (not 27)
820 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
824 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
825 my $sfi = unpad($_[3]);
826 my $k = unpad($_[4]);
827 my $i = unpad($_[5]);
828 my ($r) = $_[6] =~ /R=(\d+)/;
830 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
831 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
835 # global wwv filtering on INPUT
836 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
837 if ($self->{inwwvfilter}) {
838 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
840 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
844 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
845 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
846 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
850 # note this only takes the first one it gets
851 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
855 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
857 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
860 # DON'T be silly and send on PC27s!
861 return if $pcno == 27;
863 # broadcast to the eager world
864 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
876 $nref = Route::Node::get($call);
877 $uref = Route::User::get($call);
878 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
880 if (eph_dup($line)) {
881 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
885 $nref->here($_[2]) if $nref;
886 $uref->here($_[2]) if $uref;
887 my $ref = $nref || $uref;
888 return unless $self->in_filter_route($ref);
890 $self->route_pc24($origin, $line, $ref, $_[3]);
900 if ($_[1] ne $main::mycall) {
901 $self->route($_[1], $line);
904 if ($_[2] eq $main::mycall) {
905 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
909 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
913 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
916 $self->send(pc26(@{$in}[0..4], $_[2]));
922 my @in = reverse Geomag::search(0, $_[4], time, 1);
925 $self->send(pc27(@{$in}[0..5], $_[2]));
930 sub handle_26 {goto &handle_11}
931 sub handle_27 {goto &handle_23}
940 if ($_[1] eq $main::mycall) {
942 my $sub = "DXMsg::handle_$pcno";
945 $self->route($_[1], $line) unless $self->is_clx;
949 sub handle_29 {goto &handle_28}
950 sub handle_30 {goto &handle_28}
951 sub handle_31 {goto &handle_28}
952 sub handle_32 {goto &handle_28}
953 sub handle_33 {goto &handle_28}
961 if (eph_dup($line, $eph_pc34_restime)) {
962 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
964 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
968 # remote command replies
975 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
976 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
979 sub handle_36 {goto &handle_34}
988 if ($_[1] eq $main::mycall) {
990 my $sub = "DXDb::handle_$pcno";
993 $self->route($_[1], $line) unless $self->is_clx;
997 # node connected list from neighbour
1006 # incoming disconnect
1013 if ($_[1] eq $self->{call}) {
1014 $self->disconnect(1);
1016 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1020 sub handle_40 {goto &handle_28}
1032 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1033 if (eph_dup($l, $eph_info_restime)) {
1034 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1038 # input filter if required
1039 # my $ref = Route::get($call) || Route->new($call);
1040 # return unless $self->in_filter_route($ref);
1042 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1043 dbg('PCPROT: invalid value') if isdbg('chanerr');
1047 # add this station to the user database, if required
1048 my $user = DXUser->get_current($call);
1049 $user = DXUser->new($call) unless $user;
1053 } elsif ($_[2] == 2) {
1055 } elsif ($_[2] == 3) {
1056 if (is_latlong($_[3])) {
1057 my ($lat, $long) = DXBearing::stoll($_[3]);
1060 $user->qra(DXBearing::lltoqra($lat, $long));
1062 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1065 } elsif ($_[2] == 4) {
1066 $user->homenode($_[3]);
1067 } elsif ($_[2] == 5) {
1068 if (is_qra(uc $_[3])) {
1069 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1072 $user->qra(uc $_[3]);
1074 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1078 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1081 unless ($self->{isolate}) {
1082 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1085 # perhaps this IS what we want after all
1086 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1089 sub handle_42 {goto &handle_28}
1093 sub handle_44 {goto &handle_37}
1094 sub handle_45 {goto &handle_37}
1095 sub handle_46 {goto &handle_37}
1096 sub handle_47 {goto &handle_37}
1097 sub handle_48 {goto &handle_37}
1099 # message and database
1107 if (eph_dup($line)) {
1108 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1112 if ($_[1] eq $main::mycall) {
1113 DXMsg::handle_49($self, @_);
1115 $self->route($_[1], $line) unless $self->is_clx;
1119 # keep alive/user list
1129 RouteDB::update($call, $self->{call});
1131 my $node = Route::Node::get($call);
1133 return unless $node->call eq $self->{call};
1134 $node->usercount($_[2]);
1136 # input filter if required
1137 return unless $self->in_filter_route($node);
1139 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1143 # incoming ping requests/answers
1156 if ($to eq $main::mycall) {
1158 $self->send(pc51($from, $to, '0'));
1160 DXXml::Ping::handle_ping_reply($self, $from);
1164 RouteDB::update($from, $self->{call});
1166 if (eph_dup($line)) {
1167 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1170 # route down an appropriate thingy
1171 $self->route($to, $line);
1175 # dunno but route it
1183 if ($call ne $main::mycall) {
1184 $self->route($call, $line);
1198 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1199 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1200 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1203 @_ = map { unpad($_) } @_;
1205 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1209 my $wcy = WCY::update($d, @_[2..12]);
1213 $rep = Local::wcy($self, @_[1..12]);
1215 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1218 # broadcast to the eager world
1219 send_wcy_spot($self, $line, $d, @_[2..12]);
1222 # remote commands (incoming)
1229 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1232 # remote command replies
1239 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1242 # decode a pc92 call: flag call : version : build
1243 sub _decode_pc92_call
1246 my @part = split /:/, $icall;
1247 my ($flag, $call) = unpack "A A*", $part[0];
1248 return () unless $flag && $flag ge '0' && $flag le '7';
1249 return () unless $call && is_callsign($call);
1250 my $is_node = $flag & 4;
1251 my $is_extnode = $flag & 2;
1252 my $here = $flag & 1;
1253 return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
1256 # decode a pc92 call: flag call : version : build
1257 sub _encode_pc92_call
1262 my $call = $ref->call;
1264 $flag |= $ref->here ? 1 : 0;
1265 if ($ref->isa('Route::Node') || $ref->isa('DXProt')) {
1267 my $dxchan = DXChannel::get($call);
1268 $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc92};
1270 if ($ref->version) {
1271 my $version = $ref->version || 1.0;
1272 $version = $version * 100 + 5300 if $version < 50;
1273 $extra .= ":" . $version;
1277 return "$flag$call$extra";
1284 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($s);
1289 @rout = $parent->add($call, $version, Route::here($here));
1291 @rout = $parent->add_user($call, Route::here($here));
1301 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($s);
1305 my $nref = Route::Node::get($call);
1306 @rout = $nref->del($parent) if $nref;
1308 my $uref = Route::User::get($call);
1309 @rout = $parent->del_user($uref) if $uref;
1315 # DXSpider routing entries
1323 $self->{do_pc92} ||= 1;
1325 my ($pcall, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_[1]);
1327 dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
1333 if ($pcall eq $main::mycall) {
1334 dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
1338 my $parent = Route::Node::get($pcall);
1340 my $lastid = $parent->lastid->{92} || 0;
1342 dbg("PCPROT: dup / old id <= $lastid, ignored") if isdbg('chanerr');
1345 $parent->flags(Route::here($here));
1346 $parent->version($version) if $version;
1348 $parent = Route::Node->new($pcall, $version, Route::here($here));
1350 $parent->lastid->{92} = $t;
1351 $parent->build($build) if $build;
1357 if (@radd = _add_thingy($parent, $_[4])) {
1360 } elsif ($sort eq 'D') {
1362 if (@rdel = _del_thingy($parent, $_[4])) {
1365 } elsif ($sort eq 'C') {
1367 my (@nodes, @users);
1368 for ($i = 4; $_[$i]; $i++) {
1369 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_[$i]);
1377 dbg("DXPROT: pc92 call entry '$_[$i]' not decoded, ignored") if isdbg('chanerr');
1381 my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users);
1383 for ($i = 4; $_[$i]; $i++) {
1384 my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_[$i]);
1386 push @radd,_add_thingy($parent, $_[$i]) if grep $call eq $_, (@$nnodes, @$nusers);
1387 push @rdel,_del_thingy($parent, $_[$i]) if grep $call eq $_, (@$dnodes, @$dusers);
1391 dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
1395 $self->broadcast_route_pc9x($origin, undef, $line, 0);
1396 foreach my $r (@rdel) {
1397 $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
1398 $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
1400 foreach my $r (@radd) {
1401 $self->route_pc19($pcall, undef, $r) if $r->isa('Route::Node');
1402 $self->route_pc16($pcall, undef, $parent, $r) if $r->isa('Route::User');
1406 # if get here then rebroadcast the thing with its Hop count decremented (if
1407 # there is one). If it has a hop count and it decrements to zero then don't
1410 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1421 if (eph_dup($line)) {
1422 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1424 unless ($self->{isolate}) {
1425 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me