3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
42 use vars qw($VERSION $BRANCH);
43 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
44 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
45 $main::build += $VERSION;
46 $main::branch += $BRANCH;
48 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
49 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
50 $pingint $obscount %pc19list $chatdupeage
51 $investigation_int $pc19_version
52 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
53 $allowzero $decode_dk0wcy $send_opernam @checklist);
55 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
56 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
58 $last_hour = time; # last time I did an hourly periodic update
59 %pings = (); # outstanding ping requests outbound
60 %rcmds = (); # outstanding rcmd requests outbound
61 %nodehops = (); # node specific hop control
62 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
64 $censorpc = 1; # Do a BadWords::check on text fields and reject things
65 # loads of 'bad things'
66 $baddx = new DXHash "baddx";
67 $badspotter = new DXHash "badspotter";
68 $badnode = new DXHash "badnode";
69 $last10 = $last_pc50 = time;
73 $eph_info_restime = 60*60;
74 $eph_pc34_restime = 30;
77 $chatdupeage = 20 * 60 * 60;
78 $investigation_int = 12*60*60; # time between checks to see if we can see this node
79 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
83 [ qw(i c c m bp bc c) ], # pc10
84 [ qw(i f m d t m c c h) ], # pc11
85 [ qw(i c bm m bm bm p h) ], # pc12
89 undef , # pc16 has to be validated manually
90 [ qw(i c c h) ], # pc17
92 undef , # pc19 has to be validated manually
93 undef , # pc20 no validation
94 [ qw(i c m h) ], # pc21
95 undef , # pc22 no validation
96 [ qw(i d n n n n m c c h) ], # pc23
97 [ qw(i c p h) ], # pc24
98 [ qw(i c c n n) ], # pc25
99 [ qw(i f m d t m c c bc) ], # pc26
100 [ qw(i d n n n n m c c bc) ], # pc27
101 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
102 [ qw(i c c n m) ], # pc29
103 [ qw(i c c n) ], # pc30
104 [ qw(i c c n) ], # pc31
105 [ qw(i c c n) ], # pc32
106 [ qw(i c c n) ], # pc33
107 [ qw(i c c m) ], # pc34
108 [ qw(i c c m) ], # pc35
109 [ qw(i c c m) ], # pc36
110 [ qw(i c c n m) ], # pc37
111 undef, # pc38 not interested
112 [ qw(i c m) ], # pc39
113 [ qw(i c c m p n) ], # pc40
114 [ qw(i c n m h) ], # pc41
115 [ qw(i c c n) ], # pc42
116 undef, # pc43 don't handle it
117 [ qw(i c c n m m c) ], # pc44
118 [ qw(i c c n m) ], # pc45
119 [ qw(i c c n) ], # pc46
122 [ qw(i c m h) ], # pc49
123 [ qw(i c n h) ], # pc50
124 [ qw(i c c n) ], # pc51
146 [ qw(i d n n n n n n m m m c c h) ], # pc73
157 [ qw(i c c c m) ], # pc84
158 [ qw(i c c c m) ], # pc85
163 [ qw(i c n) ], # pc90
166 # use the entry in the check list to check the field list presented
167 # return OK if line NOT in check list (for now)
172 return 0 if $n < 0 || $n > @checklist;
173 my $ref = $checklist[$n];
174 return 0 unless ref $ref;
177 for ($i = 1; $i < @$ref; $i++) {
178 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
179 return 0 unless $act;
180 next if $blank && $_[$i] =~ /^[ \*]$/;
182 return $i unless is_callsign($_[$i]);
183 } elsif ($act eq 'i') {
185 } elsif ($act eq 'm') {
186 return $i unless is_pctext($_[$i]);
187 } elsif ($act eq 'p') {
188 return $i unless is_pcflag($_[$i]);
189 } elsif ($act eq 'f') {
190 return $i unless is_freq($_[$i]);
191 } elsif ($act eq 'n') {
192 return $i unless $_[$i] =~ /^[\d ]+$/;
193 } elsif ($act eq 'h') {
194 return $i unless $_[$i] =~ /^H\d\d?$/;
195 } elsif ($act eq 'd') {
196 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
197 } elsif ($act eq 't') {
198 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
206 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
211 # obtain a new connection this is derived from dxchannel
216 my $self = DXChannel::alloc(@_);
218 # add this node to the table, the values get filled in later
221 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
226 # this is how a pc connection starts (for an incoming connection)
227 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
228 # all the crap that comes between).
231 my ($self, $line, $sort) = @_;
232 my $call = $self->{call};
233 my $user = $self->{user};
236 my $host = $self->{conn}->{peerhost} || "unknown";
237 Log('DXProt', "$call connected from $host");
239 # remember type of connection
240 $self->{consort} = $line;
241 $self->{outbound} = $sort eq 'O';
242 my $priv = $user->priv;
243 $priv = $user->priv(1) unless $priv;
244 $self->{priv} = $priv; # other clusters can always be 'normal' users
245 $self->{lang} = $user->lang || 'en';
246 $self->{isolate} = $user->{isolate};
247 $self->{consort} = $line; # save the connection type
251 # sort out registration
252 $self->{registered} = 1;
254 # get the output filters
255 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
256 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
257 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
258 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
259 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
262 # get the INPUT filters (these only pertain to Clusters)
263 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
264 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
265 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
266 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
267 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
269 # set unbuffered and no echo
270 $self->send_now('B',"0");
271 $self->send_now('E',"0");
272 $self->conn->echo(0) if $self->conn->can('echo');
274 # ping neighbour node stuff
275 my $ping = $user->pingint;
276 $ping = $pingint unless defined $ping;
277 $self->{pingint} = $ping;
278 $self->{nopings} = $user->nopings || $obscount;
279 $self->{pingtime} = [ ];
280 $self->{pingave} = 999;
281 $self->{metric} ||= 100;
282 $self->{lastping} = $main::systime;
284 # send initialisation string
285 unless ($self->{outbound}) {
289 $self->state('init');
290 $self->{pc50_t} = $main::systime;
292 # send info to all logged in thingies
293 $self->tell_login('loginn');
295 # run a script send the output to the debug file
296 my $script = new Script(lc $call) || new Script('node_default');
297 $script->run($self) if $script;
301 # send outgoing 'challenge'
312 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
313 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
321 # $self->SUPER::send($line);
326 # This is the normal pcxx despatcher
330 my ($self, $line) = @_;
332 # remove any incoming PC90 frames
335 my @field = split /\^/, $line;
336 return unless @field;
338 pop @field if $field[-1] eq '~';
340 # print join(',', @field), "\n";
343 # process PC frames, this will fail unless the frame starts PCnn
344 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
345 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
346 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
350 # check for and dump bad protocol messages
351 my $n = check($pcno, @field);
353 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
357 my $origin = $self->{call};
359 my $sub = "handle_$pcno";
361 if ($self->can($sub)) {
362 $self->$sub($pcno, $line, $origin, @field);
364 $self->handle_default($pcno, $line, $origin, @field);
368 # incoming talk commands
377 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
379 # will we allow it at all?
382 if (@bad = BadWords::check($_[3])) {
383 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
388 # is it for me or one of mine?
389 my ($from, $to, $via, $call, $dxchan);
398 # if this is a 'nodx' node then ignore it
399 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
400 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
404 # if this is a 'bad spotter' user then ignore it
406 $nossid =~ s/-\d+$//;
407 if ($badspotter->in($nossid)) {
408 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
412 # if we are converting announces to talk is it a dup?
414 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
415 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
420 # remember a route to this node and also the node on which this user is
421 RouteDB::update($_[6], $self->{call});
422 # RouteDB::update($to, $_[6]);
424 # it is here and logged on
425 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
426 $dxchan = DXChannel->get($to) unless $dxchan;
427 if ($dxchan && $dxchan->is_user) {
429 $dxchan->talk($from, $to, $via, $_[3]);
433 # is it elsewhere, visible on the cluster via the to address?
434 # note: this discards the via unless the to address is on
437 if ($ref = Route::get($to)) {
438 $vref = Route::Node::get($via) if $via;
439 $vref = undef unless $vref && grep $to eq $_, $vref->users;
440 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
444 # can we see an interface to send it down?
446 # not visible here, send a message of condolence
448 $ref = Route::get($from);
449 $vref = $ref = Route::Node::get($_[6]) unless $ref;
451 $dxchan = $ref->dxchan;
452 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
464 # route 'foreign' pc26s
466 if ($_[7] ne $main::mycall) {
467 $self->route($_[7], $line);
473 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
475 # if this is a 'nodx' node then ignore it
476 if ($badnode->in($_[7])) {
477 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
481 # if this is a 'bad spotter' user then ignore it
483 $nossid =~ s/-\d+$//;
484 if ($badspotter->in($nossid)) {
485 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
489 # convert the date to a unix date
490 my $d = cltounix($_[3], $_[4]);
491 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
492 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
493 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
498 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
499 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
504 $_[5] =~ s/^\s+//; # take any leading blanks off
505 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
506 if ($_[2] =~ /BUST\w*$/) {
507 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
512 if (@bad = BadWords::check($_[5])) {
513 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
519 # RouteDB::update($_[7], $self->{call});
520 # RouteDB::update($_[6], $_[7]);
522 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
523 # global spot filtering on INPUT
524 if ($self->{inspotsfilter}) {
525 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
527 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
532 # this goes after the input filtering, but before the add
533 # so that if it is input filtered, it isn't added to the dup
534 # list. This allows it to come in from a "legitimate" source
535 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
536 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
544 # @spot at this point contains:-
545 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
546 # then spotted itu, spotted cq, spotters itu, spotters cq
547 # you should be able to route on any of these
550 # fix up qra locators of known users
551 my $user = DXUser->get_current($spot[4]);
553 my $qra = $user->qra;
554 unless ($qra && is_qra($qra)) {
555 my $lat = $user->lat;
556 my $long = $user->long;
557 if (defined $lat && defined $long) {
558 $user->qra(DXBearing::lltoqra($lat, $long));
563 # send a remote command to a distant cluster if it is visible and there is no
564 # qra locator and we havn't done it for a month.
566 unless ($user->qra) {
568 my $to = $user->homenode;
569 my $last = $user->lastoper || 0;
570 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
571 my $cmd = "forward/opernam $spot[4]";
572 # send the rcmd but we aren't interested in the replies...
573 my $dxchan = $node->dxchan;
574 if ($dxchan && $dxchan->is_clx) {
575 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
577 route(undef, $to, pc34($main::mycall, $to, $cmd));
581 $node = Route::Node::get($to);
583 $dxchan = $node->dxchan;
584 if ($dxchan && $dxchan->is_clx) {
585 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
587 route(undef, $to, pc34($main::mycall, $to, $cmd));
591 $user->lastoper($main::systime);
600 $r = Local::spot($self, @spot);
602 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
605 # DON'T be silly and send on PC26s!
606 return if $pcno == 26;
608 # send out the filtered spots
609 send_dx_spot($self, $line, @spot) if @spot;
620 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
622 # announce duplicate checking
623 $_[3] =~ s/^\s+//; # remove leading blanks
627 if (@bad = BadWords::check($_[3])) {
628 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
633 # if this is a 'nodx' node then ignore it
634 if ($badnode->in($_[5])) {
635 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
639 # if this is a 'bad spotter' user then ignore it
641 $nossid =~ s/-\d+$//;
642 if ($badspotter->in($nossid)) {
643 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
650 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
651 $self->send_chat($line, @_[1..6]);
652 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
655 # RouteDB::update($_[5], $self->{call});
656 # RouteDB::update($_[1], $_[5]);
658 # ignore something that looks like a chat line coming in with sysop
659 # flag - this is a kludge...
660 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
661 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
665 # here's a bit of fun, convert incoming ann with a callsign in the first word
666 # or one saying 'to <call>' to a talk if we can route to the recipient
668 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
670 my $ref = Route::get($call);
672 $dxchan = $ref->dxchan;
673 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
680 $self->send_announce($line, @_[1..6]);
682 $self->route($_[2], $line);
697 my $newline = "PC16^";
699 # dos I want users from this channel?
700 unless ($self->user->wantpc16) {
701 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
705 if ($ncall eq $main::mycall) {
706 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
710 RouteDB::update($ncall, $self->{call});
712 # do we believe this call?
713 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
714 if (my $ivp = Investigate::get($ncall, $self->{call})) {
715 $ivp->store_pcxx($pcno,$line,$origin,@_);
717 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
722 if (eph_dup($line)) {
723 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
727 my $parent = Route::Node::get($ncall);
729 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
730 # fix it up in the routing tables and issue it forth before the PC16
732 my $nl = $pc19list{$ncall};
734 if ($nl && @_ > 3) { # 3 because of the hop count!
736 # this is a new (remembered) node, now attach it to me if it isn't in filtered
737 # and we haven't disallowed it
738 my $user = DXUser->get_current($ncall);
740 $user = DXUser->new($ncall);
742 $user->priv(1); # I have relented and defaulted nodes
744 $user->homenode($ncall);
748 my $wantpc19 = $user->wantroutepc19;
749 if ($wantpc19 || !defined $wantpc19) {
750 my $new = Route->new($ncall); # throw away
751 if ($self->in_filter_route($new)) {
754 $parent = Route::Node::get($_->[0]);
755 $dxchan = $parent->dxchan if $parent;
756 if ($dxchan && $dxchan ne $self) {
757 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
761 my $r = $parent->add($ncall, $_->[1], $_->[2]);
762 push @nrout, $r unless @nrout;
765 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
766 $user->lastin($main::systime) unless DXChannel->get($ncall);
769 # route the pc19 - this will cause 'stuttering PC19s' for a while
770 $self->route_pc19($origin, $line, @nrout) if @nrout ;
771 $parent = Route::Node::get($ncall);
773 dbg("PCPROT: lost $ncall after sending PC19 for it?");
779 delete $pc19list{$ncall};
782 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
787 $dxchan = $parent->dxchan;
788 if ($dxchan && $dxchan ne $self) {
789 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
793 # input filter if required
794 return unless $self->in_filter_route($parent);
799 for ($i = 2; $i < $#_; $i++) {
800 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
801 next unless $call && $conf && defined $here && is_callsign($call);
802 next if $call eq $main::mycall;
804 eph_del_regex("^PC17\\^$call\\^$ncall");
806 $conf = $conf eq '*';
808 # reject this if we think it is a node already
809 my $r = Route::Node::get($call);
810 my $u = DXUser->get_current($call) unless $r;
811 if ($r || ($u && $u->is_node)) {
812 dbg("PCPROT: $call is a node") if isdbg('chanerr');
816 $r = Route::User::get($call);
817 my $flags = Route::here($here)|Route::conf($conf);
820 my $au = $r->addparent($parent);
821 if ($r->flags != $flags) {
825 push @rout, $r if $au;
827 push @rout, $parent->add_user($call, $flags);
831 # add this station to the user database, if required
832 $call =~ s/-\d+$//o; # remove ssid for users
833 my $user = DXUser->get_current($call);
834 $user = DXUser->new($call) if !$user;
835 $user->homenode($parent->call) if !$user->homenode;
836 $user->node($parent->call);
837 $user->lastin($main::systime) unless DXChannel->get($call);
840 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
854 eph_del_regex("^PC16\\^$ncall.*$ucall");
856 # do I want users from this channel?
857 unless ($self->user->wantpc16) {
858 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
861 if ($ncall eq $main::mycall) {
862 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
866 RouteDB::delete($ncall, $self->{call});
868 # do we believe this call?
869 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
870 if (my $ivp = Investigate::get($ncall, $self->{call})) {
871 $ivp->store_pcxx($pcno,$line,$origin,@_);
873 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
878 my $uref = Route::User::get($ucall);
880 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
882 my $parent = Route::Node::get($ncall);
884 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
887 $dxchan = $parent->dxchan if $parent;
888 if ($dxchan && $dxchan ne $self) {
889 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
893 # input filter if required and then remove user if present
895 # return unless $self->in_filter_route($parent);
896 $parent->del_user($uref) if $uref;
898 $parent = Route->new($ncall); # throw away
901 if (eph_dup($line)) {
902 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
906 $uref = Route->new($ucall) unless $uref; # throw away
907 $self->route_pc17($origin, $line, $parent, $uref);
917 $self->state('init');
919 # record the type and version offered
920 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
921 $self->version(53 + $1);
922 $self->user->version(53 + $1);
923 $self->build(0 + $2);
924 $self->user->build(0 + $2);
925 unless ($self->is_spider) {
926 $self->user->sort('S');
931 $self->version(50.0);
932 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
933 $self->user->version($self->version);
936 # first clear out any nodes on this dxchannel
937 my $parent = Route::Node::get($self->{call});
938 my @rout = $parent->del_nodes;
939 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
940 $self->send_local_config();
944 # incoming cluster list
953 my $newline = "PC19^";
958 # first get the INTERFACE node
959 my $parent = Route::Node::get($self->{call});
961 dbg("DXPROT: my parent $self->{call} has disappeared");
966 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
967 if ($origin ne $self->call) {
968 my $op = Route::Node::get($origin);
970 $op = $parent->add($origin, 5000, Route::here(1));
971 my $user = DXUser->get_current($origin);
973 $user = DXUser->new($origin);
974 $user->priv(1); # I have relented and defaulted nodes
976 $user->homenode($origin);
977 $user->node($origin);
978 $user->wantroutepc19(1);
980 $user->sort('A') unless $user->is_node;
987 for ($i = 1; $i < $#_-1; $i += 4) {
989 my $call = uc $_[$i+1];
992 next unless defined $here && defined $conf && is_callsign($call);
994 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
996 # check for sane parameters
997 # $ver = 5000 if $ver eq '0000';
998 next if $ver < 5000; # only works with version 5 software
999 next if length $call < 3; # min 3 letter callsigns
1000 next if $call eq $main::mycall;
1002 # check that this PC19 isn't trying to alter the wrong dxchan
1003 my $dxchan = DXChannel->get($call);
1004 if ($dxchan && $dxchan != $self) {
1005 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1009 # add this station to the user database, if required (don't remove SSID from nodes)
1010 my $user = DXUser->get_current($call);
1012 $user = DXUser->new($call);
1013 $user->priv(1); # I have relented and defaulted nodes
1015 $user->homenode($call);
1018 $user->sort('A') unless $user->is_node;
1020 RouteDB::update($call, $self->{call});
1022 # do we believe this call?
1023 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1024 unless ($call eq $self->{call} || $self->is_believed($call)) {
1025 my $pt = $user->lastping($self->{call}) || 0;
1026 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1027 my $ivp = Investigate->new($call, $self->{call});
1028 $ivp->version($ver);
1030 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1032 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1038 if (eph_dup($genline)) {
1039 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1043 my $r = Route::Node::get($call);
1044 my $flags = Route::here($here)|Route::conf($conf);
1046 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1049 if ($call ne $parent->call) {
1050 if ($self->in_filter_route($r)) {
1051 $ar = $parent->add($call, $ver, $flags);
1052 push @rout, $ar if $ar;
1057 if ($r->version ne $ver || $r->flags != $flags) {
1060 push @rout, $r unless $ar;
1064 # if he is directly connected or allowed then add him, otherwise store him up for later
1065 if ($call eq $self->{call} || $user->wantroutepc19) {
1066 my $new = Route->new($call); # throw away
1067 if ($self->in_filter_route($new)) {
1068 my $ar = $parent->add($call, $ver, $flags);
1069 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1070 push @rout, $ar if $ar;
1075 $pc19list{$call} = [] unless exists $pc19list{$call};
1076 my $nl = $pc19list{$call};
1077 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1081 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1082 my $mref = DXMsg::get_busy($call);
1083 $mref->stop_msg($call) if $mref;
1085 $user->lastin($main::systime) unless DXChannel->get($call);
1090 $self->route_pc19($origin, $line, @rout) if @rout;
1093 # send local configuration
1100 $self->send_local_config();
1101 $self->send(pc22());
1102 $self->state('normal');
1103 $self->{lastping} = 0;
1106 # delete a cluster from the list
1113 my $call = uc $_[1];
1115 eph_del_regex("^PC1[679].*$call");
1117 # if I get a PC21 from the same callsign as self then treat it
1118 # as a PC39: I have gone away
1119 if ($call eq $self->call) {
1120 $self->disconnect(1);
1124 RouteDB::delete($call, $self->{call});
1126 # check if we believe this
1127 unless ($call eq $self->{call} || $self->is_believed($call)) {
1128 if (my $ivp = Investigate::get($call, $self->{call})) {
1129 $ivp->store_pcxx($pcno,$line,$origin,@_);
1131 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1136 # check to see if we are in the pc19list, if we are then don't bother with any of
1137 # this routing table manipulation, just remove it from the list and dump it
1139 if (my $nl = $pc19list{$call}) {
1140 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1141 delete $pc19list{$call} unless @{$pc19list{$call}};
1144 my $parent = Route::Node::get($self->{call});
1146 dbg("DXPROT: my parent $self->{call} has disappeared");
1150 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1151 my $node = Route::Node::get($call);
1154 my $dxchan = DXChannel->get($call);
1155 if ($dxchan && $dxchan != $self) {
1156 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1161 return unless $self->in_filter_route($node);
1164 push @rout, $node->del($parent);
1167 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1172 $self->route_pc21($origin, $line, @rout) if @rout;
1182 $self->state('normal');
1183 $self->{lastping} = 0;
1194 # route foreign' pc27s
1196 if ($_[8] ne $main::mycall) {
1197 $self->route($_[8], $line);
1202 # only do a rspf check on PC23 (not 27)
1204 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1208 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1209 my $sfi = unpad($_[3]);
1210 my $k = unpad($_[4]);
1211 my $i = unpad($_[5]);
1212 my ($r) = $_[6] =~ /R=(\d+)/;
1214 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1215 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1218 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1219 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1222 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1224 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1228 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1230 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1233 # DON'T be silly and send on PC27s!
1234 return if $pcno == 27;
1236 # broadcast to the eager world
1237 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1247 my $call = uc $_[1];
1249 $nref = Route::Node::get($call);
1250 $uref = Route::User::get($call);
1251 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1253 if (eph_dup($line)) {
1254 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1258 $nref->here($_[2]) if $nref;
1259 $uref->here($_[2]) if $uref;
1260 my $ref = $nref || $uref;
1261 return unless $self->in_filter_route($ref);
1263 $self->route_pc24($origin, $line, $ref, $_[3]);
1273 if ($_[1] ne $main::mycall) {
1274 $self->route($_[1], $line);
1277 if ($_[2] eq $main::mycall) {
1278 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1282 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1286 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1289 $self->send(pc26(@{$in}[0..4], $_[2]));
1295 my @in = reverse Geomag::search(0, $_[4], time, 1);
1298 $self->send(pc27(@{$in}[0..5], $_[2]));
1303 sub handle_26 {goto &handle_11}
1304 sub handle_27 {goto &handle_23}
1306 # mail/file handling
1313 if ($_[1] eq $main::mycall) {
1315 my $sub = "DXMsg::handle_$pcno";
1318 $self->route($_[1], $line) unless $self->is_clx;
1322 sub handle_29 {goto &handle_28}
1323 sub handle_30 {goto &handle_28}
1324 sub handle_31 {goto &handle_28}
1325 sub handle_32 {goto &handle_28}
1326 sub handle_33 {goto &handle_28}
1334 if (eph_dup($line, $eph_pc34_restime)) {
1335 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1337 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1341 # remote command replies
1348 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1349 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1352 sub handle_36 {goto &handle_34}
1361 if ($_[1] eq $main::mycall) {
1363 my $sub = "DXDb::handle_$pcno";
1366 $self->route($_[1], $line) unless $self->is_clx;
1370 # node connected list from neighbour
1379 # incoming disconnect
1386 if ($_[1] eq $self->{call}) {
1387 $self->disconnect(1);
1389 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1393 sub handle_40 {goto &handle_28}
1405 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1406 if (eph_dup($l, $eph_info_restime)) {
1407 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1411 # input filter if required
1412 # my $ref = Route::get($call) || Route->new($call);
1413 # return unless $self->in_filter_route($ref);
1415 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1416 dbg('PCPROT: invalid value') if isdbg('chanerr');
1420 # add this station to the user database, if required
1421 my $user = DXUser->get_current($call);
1422 $user = DXUser->new($call) unless $user;
1426 } elsif ($_[2] == 2) {
1428 } elsif ($_[2] == 3) {
1429 if (is_latlong($_[3])) {
1430 my ($lat, $long) = DXBearing::stoll($_[3]);
1433 $user->qra(DXBearing::lltoqra($lat, $long));
1435 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1438 } elsif ($_[2] == 4) {
1439 $user->homenode($_[3]);
1440 } elsif ($_[2] == 5) {
1441 if (is_qra(uc $_[3])) {
1442 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1445 $user->qra(uc $_[3]);
1447 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1451 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1454 unless ($self->{isolate}) {
1455 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1458 # perhaps this IS what we want after all
1459 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1462 sub handle_42 {goto &handle_28}
1466 sub handle_44 {goto &handle_37}
1467 sub handle_45 {goto &handle_37}
1468 sub handle_46 {goto &handle_37}
1469 sub handle_47 {goto &handle_37}
1470 sub handle_48 {goto &handle_37}
1472 # message and database
1480 if (eph_dup($line)) {
1481 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1485 if ($_[1] eq $main::mycall) {
1486 DXMsg::handle_49($self, @_);
1488 $self->route($_[1], $line) unless $self->is_clx;
1492 # keep alive/user list
1502 RouteDB::update($call, $self->{call});
1504 my $node = Route::Node::get($call);
1506 return unless $node->call eq $self->{call};
1507 $node->usercount($_[2]);
1509 # input filter if required
1510 return unless $self->in_filter_route($node);
1512 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1516 # incoming ping requests/answers
1529 if ($to eq $main::mycall) {
1531 $self->send(pc51($from, $to, '0'));
1533 # it's a reply, look in the ping list for this one
1534 my $ref = $pings{$from};
1536 my $tochan = DXChannel->get($from);
1538 my $r = shift @$ref;
1539 my $dxchan = DXChannel->get($r->{call});
1540 next unless $dxchan;
1541 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1542 if ($dxchan->is_user) {
1543 my $s = sprintf "%.2f", $t;
1544 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1545 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1546 } elsif ($dxchan->is_node) {
1548 my $nopings = $tochan->user->nopings || $obscount;
1549 push @{$tochan->{pingtime}}, $t;
1550 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1552 # cope with a missed ping, this means you must set the pingint large enough
1553 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1554 $t -= $tochan->{pingint};
1557 # calc smoothed RTT a la TCP
1558 if (@{$tochan->{pingtime}} == 1) {
1559 $tochan->{pingave} = $t;
1561 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1563 $tochan->{nopings} = $nopings; # pump up the timer
1564 if (my $ivp = Investigate::get($from, $self->{call})) {
1567 } elsif (my $rref = Route::Node::get($r->{call})) {
1568 if (my $ivp = Investigate::get($from, $self->{call})) {
1578 RouteDB::update($from, $self->{call});
1580 if (eph_dup($line)) {
1581 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1584 # route down an appropriate thingy
1585 $self->route($to, $line);
1589 # dunno but route it
1597 if ($call ne $main::mycall) {
1598 $self->route($call, $line);
1612 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1613 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1614 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1617 @_ = map { unpad($_) } @_;
1619 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1623 my $wcy = WCY::update($d, @_[2..12]);
1627 $rep = Local::wcy($self, @_[1..12]);
1629 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1632 # broadcast to the eager world
1633 send_wcy_spot($self, $line, $d, @_[2..12]);
1636 # remote commands (incoming)
1643 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1646 # remote command replies
1653 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1656 # if get here then rebroadcast the thing with its Hop count decremented (if
1657 # there is one). If it has a hop count and it decrements to zero then don't
1660 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1671 if (eph_dup($line)) {
1672 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1674 unless ($self->{isolate}) {
1675 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1681 # This is called from inside the main cluster processing loop and is used
1682 # for despatching commands that are doing some long processing job
1687 my @dxchan = DXChannel->get_all();
1691 # send out a pc50 on EVERY channel all at once
1692 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1693 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1698 foreach $dxchan (@dxchan) {
1699 next unless $dxchan->is_node();
1700 next if $dxchan == $main::me;
1703 $dxchan->send($pc50s) if $pc50s;
1705 # send a ping out on this channel
1706 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1707 if ($dxchan->{nopings} <= 0) {
1708 $dxchan->disconnect;
1710 addping($main::mycall, $dxchan->call);
1711 $dxchan->{nopings} -= 1;
1712 $dxchan->{lastping} = $t;
1717 Investigate::process();
1720 if ($t - $last10 >= 10) {
1721 # clean out ephemera
1728 if ($main::systime - 3600 > $last_hour) {
1729 $last_hour = $main::systime;
1734 # finish up a pc context
1738 # some active measures
1746 my @dxchan = DXChannel->get_all();
1749 # send it if it isn't the except list and isn't isolated and still has a hop count
1750 # taking into account filtering and so on
1751 foreach $dxchan (@dxchan) {
1752 next if $dxchan == $main::me;
1753 next if $dxchan == $self && $self->is_node;
1754 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1762 my $isolate = shift;
1763 my ($filter, $hops);
1765 if ($self->{spotsfilter}) {
1766 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1767 return unless $filter;
1769 send_prot_line($self, $filter, $hops, $isolate, $line);
1774 my ($self, $filter, $hops, $isolate, $line) = @_;
1780 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1782 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1783 return unless $routeit;
1786 $self->send($routeit);
1788 $self->send($routeit) unless $self->{isolate} || $isolate;
1797 my @dxchan = DXChannel->get_all();
1799 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1801 # send it if it isn't the except list and isn't isolated and still has a hop count
1802 # taking into account filtering and so on
1803 foreach $dxchan (@dxchan) {
1804 next if $dxchan == $main::me;
1805 next if $dxchan == $self && $self->is_node;
1807 my ($filter, $hops);
1809 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1817 my $isolate = shift;
1818 my ($filter, $hops);
1820 if ($self->{wwvfilter}) {
1821 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1822 return unless $filter;
1824 send_prot_line($self, $filter, $hops, $isolate, $line)
1831 my @dxchan = DXChannel->get_all();
1833 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1835 # send it if it isn't the except list and isn't isolated and still has a hop count
1836 # taking into account filtering and so on
1837 foreach $dxchan (@dxchan) {
1838 next if $dxchan == $main::me;
1839 next if $dxchan == $self;
1841 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1849 my $isolate = shift;
1850 my ($filter, $hops);
1852 if ($self->{wcyfilter}) {
1853 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1854 return unless $filter;
1856 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1864 my @dxchan = DXChannel->get_all();
1868 my $text = unpad($_[2]);
1870 if ($_[3] eq '*') { # sysops
1872 } elsif ($_[3] gt ' ') { # speciality list handling
1873 my ($name) = split /\./, $_[3];
1874 $target = "$name"; # put the rest in later (if bothered)
1881 $target = "ALL" if !$target;
1884 # obtain country codes etc
1885 my @a = Prefix::cty_data($_[0]);
1886 my @b = Prefix::cty_data($_[4]);
1887 if ($self->{inannfilter}) {
1888 my ($filter, $hops) =
1889 $self->{inannfilter}->it(@_, $self->{call},
1891 @b[0..2], $a[3], $b[3]);
1893 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1898 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1899 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1903 Log('ann', $target, $_[0], $text);
1905 # send it if it isn't the except list and isn't isolated and still has a hop count
1906 # taking into account filtering and so on
1907 foreach $dxchan (@dxchan) {
1908 next if $dxchan == $main::me;
1909 next if $dxchan == $self && $self->is_node;
1910 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1911 @a[0..2], @b[0..2]);
1920 $msgid = 1 if $msgid > 999;
1929 my @dxchan = DXChannel->get_all();
1932 my $text = unpad($_[2]);
1935 # munge the group and recast the line if required
1936 if ($target =~ s/\.LST$//) {
1940 # obtain country codes etc
1941 my @a = Prefix::cty_data($_[0]);
1942 my @b = Prefix::cty_data($_[4]);
1943 if ($self->{inannfilter}) {
1944 my ($filter, $hops) =
1945 $self->{inannfilter}->it(@_, $self->{call},
1947 @b[0..2], $a[3], $b[3]);
1949 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1954 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1955 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1960 Log('chat', $target, $_[0], $text);
1962 # send it if it isn't the except list and isn't isolated and still has a hop count
1963 # taking into account filtering and so on
1964 foreach $dxchan (@dxchan) {
1965 my $is_ak1a = $dxchan->is_ak1a;
1967 if ($dxchan->is_node) {
1968 next if $dxchan == $main::me;
1969 next if $dxchan == $self;
1970 next unless $dxchan->is_spider || $is_ak1a;
1971 next if $target eq 'LOCAL';
1972 if (!$ak1a_line && $is_ak1a) {
1973 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1977 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1978 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1986 my $isolate = shift;
1990 my ($filter, $hops);
1992 if ($self->{annfilter}) {
1993 ($filter, $hops) = $self->{annfilter}->it(@_);
1994 return unless $filter;
1996 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2005 sub send_local_config
2013 dbg('DXProt::send_local_config') if isdbg('trace');
2016 if ($self->{isolate}) {
2017 @localnodes = ( $main::routeroot );
2018 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2020 # create a list of all the nodes that are not connected to this connection
2021 # and are not themselves isolated, this to make sure that isolated nodes
2022 # don't appear outside of this node
2024 # send locally connected nodes
2025 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2026 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2027 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2030 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2032 for $node (@rawintcalls) {
2033 push @intcalls, $node unless grep $node eq $_, @intcalls;
2035 my $ref = Route::Node::get($self->{call});
2036 my @rnodes = $ref->nodes;
2037 for $node (@intcalls) {
2038 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2040 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2043 # get all the users connected on the above nodes and send them out
2044 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2046 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2047 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2049 dbg("sent a null value") if isdbg('chanerr');
2055 # route a message down an appropriate interface for a callsign
2057 # is called route(to, pcline);
2062 my ($self, $call, $line) = @_;
2064 if (ref $self && $call eq $self->{call}) {
2065 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2069 # always send it down the local interface if available
2070 my $dxchan = DXChannel->get($call);
2072 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2074 my $cl = Route::get($call);
2075 $dxchan = $cl->dxchan if $cl;
2077 if (ref $self && $dxchan eq $self) {
2078 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2081 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2085 # try the backstop method
2087 my $rcall = RouteDB::get($call);
2089 if ($self && $rcall eq $self->{call}) {
2090 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2093 $dxchan = DXChannel->get($rcall);
2094 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2099 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2101 $dxchan->send($routeit) unless $dxchan == $main::me;
2104 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2109 # obtain the hops from the list for this callsign and pc no
2115 my $hops = $DXProt::hopcount{$pcno};
2116 $hops = $DXProt::def_hopcount if !$hops;
2121 # adjust the hop count on a per node basis using the user loadable
2122 # hop table if available or else decrement an existing one
2129 my $call = $self->{call};
2132 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2133 my ($pcno) = $s =~ /^PC(\d\d)/o;
2134 confess "$call called adjust_hops with '$s'" unless $pcno;
2135 my $ref = $nodehops{$call} if %nodehops;
2137 my $newhops = $ref->{$pcno};
2138 return "" if defined $newhops && $newhops == 0;
2139 $newhops = $ref->{default} unless $newhops;
2140 return "" if defined $newhops && $newhops == 0;
2141 $newhops = $hops if !$newhops;
2142 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2144 # simply decrement it
2146 return "" if !$hops;
2147 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2159 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2160 do "$main::data/hop_table.pl";
2166 # add a ping request to the ping queues
2169 my ($from, $to, $via) = @_;
2170 my $ref = $pings{$to} || [];
2173 $r->{t} = [ gettimeofday ];
2174 if ($via && (my $dxchan = DXChannel->get($via))) {
2175 $dxchan->send(pc51($to, $main::mycall, 1));
2177 route(undef, $to, pc51($to, $main::mycall, 1));
2181 my $u = DXUser->get_current($to);
2183 $u->lastping(($via || $from), $main::systime);
2190 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2191 if ($tonode eq $main::mycall) {
2192 my $ref = DXUser->get_current($fromnode);
2193 my $cref = Route::Node::get($fromnode);
2194 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2195 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2196 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2197 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2198 my $oldpriv = $self->{priv};
2199 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2200 my @in = (DXCommandmode::run_cmd($self, $cmd));
2201 $self->{priv} = $oldpriv;
2202 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2203 delete $self->{remotecmd};
2205 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2208 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2211 my $ref = DXUser->get_current($tonode);
2212 if ($ref && $ref->is_clx) {
2213 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2215 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2220 sub process_rcmd_reply
2222 my ($self, $tonode, $fromnode, $user, $line) = @_;
2223 if ($tonode eq $main::mycall) {
2224 my $s = $rcmds{$fromnode};
2226 my $dxchan = DXChannel->get($s->{call});
2227 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2228 $ref->send($line) if $ref;
2229 delete $rcmds{$fromnode} if !$dxchan;
2231 # send unsolicited ones to the sysop
2232 my $dxchan = DXChannel->get($main::myalias);
2233 $dxchan->send($line) if $dxchan;
2236 my $ref = DXUser->get_current($tonode);
2237 if ($ref && $ref->is_clx) {
2238 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2240 $self->route($tonode, pc35($fromnode, $tonode, $line));
2249 my $fromnode = shift;
2254 Log('rcmd', 'out', $fromnode, $line);
2255 if ($self->is_clx) {
2256 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2258 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2263 # add a rcmd request to the rcmd queues
2266 my ($self, $to, $cmd) = @_;
2269 $r->{call} = $self->{call};
2270 $r->{t} = $main::systime;
2274 my $ref = Route::Node::get($to);
2275 my $dxchan = $ref->dxchan;
2276 if ($dxchan && $dxchan->is_clx) {
2277 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2279 route(undef, $to, pc34($main::mycall, $to, $cmd));
2286 my $pc39flag = shift;
2287 my $call = $self->call;
2289 return if $self->{disconnecting}++;
2291 unless ($pc39flag && $pc39flag == 1) {
2292 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2295 # get rid of any PC16/17/19
2296 eph_del_regex("^PC1[679]*$call");
2298 # do routing stuff, remove me from routing table
2299 my $node = Route::Node::get($call);
2302 @rout = $node->del($main::routeroot);
2304 # and all my ephemera as well
2307 eph_del_regex("^PC1[679].*$c");
2311 # remove them from the pc19list as well
2312 while (my ($k,$v) = each %pc19list) {
2313 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2315 $pc19list{$k} = \@l;
2317 delete $pc19list{$k};
2321 eph_del_regex("^PC1[679].*$k");
2324 # unbusy and stop and outgoing mail
2325 my $mref = DXMsg::get_busy($call);
2326 $mref->stop_msg($call) if $mref;
2328 # broadcast to all other nodes that all the nodes connected to via me are gone
2329 unless ($pc39flag && $pc39flag == 2) {
2330 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2333 # remove outstanding pings
2334 delete $pings{$call};
2336 # I was the last node visited
2337 $self->user->node($main::mycall);
2339 # send info to all logged in thingies
2340 $self->tell_login('logoutn');
2342 Log('DXProt', $call . " Disconnected");
2344 $self->SUPER::disconnect;
2349 # send a talk message to this thingy
2353 my ($self, $from, $to, $via, $line, $origin) = @_;
2355 $line =~ s/\^/\\5E/g; # remove any ^ characters
2356 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2357 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2360 # send it if it isn't the except list and isn't isolated and still has a hop count
2361 # taking into account filtering and so on
2367 my $generate = shift;
2368 my $no = shift; # the no of things to filter on
2370 my ($filter, $hops);
2373 for (; @_ && $no; $no--) {
2376 if (!$self->{isolate} && $self->{routefilter}) {
2379 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
2383 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2386 dbg("was sent a null value") if isdbg('chanerr');
2389 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2393 foreach my $line (&$generate(@rin, @_)) {
2396 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2398 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2399 next unless $routeit;
2402 $self->send($routeit);
2411 my $generate = shift;
2413 my @dxchan = DXChannel::get_all_nodes();
2416 unless ($self->{isolate}) {
2417 foreach $dxchan (@dxchan) {
2418 next if $dxchan == $self;
2419 next if $dxchan == $main::me;
2420 next unless $dxchan->isa('DXProt');
2421 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2423 $dxchan->send_route($origin, $generate, @_);
2431 return unless $self->user->wantpc16;
2434 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2440 return unless $self->user->wantpc16;
2443 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2451 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2459 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2467 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2475 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2483 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2490 my ($filter, $hops) = (1, 1);
2492 if ($self->{inroutefilter}) {
2493 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
2494 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2502 my $t = shift || $eph_restime;
2506 $s =~ s/\^H\d\d?\^?\~?$//;
2507 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2508 $eph{$s} = $main::systime + $t;
2509 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2517 while (($key, $val) = each %eph) {
2518 if ($key =~ m{$regex}) {
2528 while (($key, $val) = each %eph) {
2529 if ($main::systime >= $val) {
2540 while (($key, $val) = each %eph) {
2541 push @out, $key, $val;
2548 goto &DXCommandmode::run_cmd;