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 $chatimportfn
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 $chatimportfn = "$main::root/chat_import";
79 $investigation_int = 12*60*60; # time between checks to see if we can see this node
80 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
84 [ qw(i c c m bp bc c) ], # pc10
85 [ qw(i f m d t m c c h) ], # pc11
86 [ qw(i c bm m bm bm p h) ], # pc12
90 undef , # pc16 has to be validated manually
91 [ qw(i c c h) ], # pc17
93 undef , # pc19 has to be validated manually
94 undef , # pc20 no validation
95 [ qw(i c m h) ], # pc21
96 undef , # pc22 no validation
97 [ qw(i d n n n n m c c h) ], # pc23
98 [ qw(i c p h) ], # pc24
99 [ qw(i c c n n) ], # pc25
100 [ qw(i f m d t m c c bc) ], # pc26
101 [ qw(i d n n n n m c c bc) ], # pc27
102 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
103 [ qw(i c c n m) ], # pc29
104 [ qw(i c c n) ], # pc30
105 [ qw(i c c n) ], # pc31
106 [ qw(i c c n) ], # pc32
107 [ qw(i c c n) ], # pc33
108 [ qw(i c c m) ], # pc34
109 [ qw(i c c m) ], # pc35
110 [ qw(i c c m) ], # pc36
111 [ qw(i c c n m) ], # pc37
112 undef, # pc38 not interested
113 [ qw(i c m) ], # pc39
114 [ qw(i c c m p n) ], # pc40
115 [ qw(i c n m h) ], # pc41
116 [ qw(i c c n) ], # pc42
117 undef, # pc43 don't handle it
118 [ qw(i c c n m m c) ], # pc44
119 [ qw(i c c n m) ], # pc45
120 [ qw(i c c n) ], # pc46
123 [ qw(i c m h) ], # pc49
124 [ qw(i c n h) ], # pc50
125 [ qw(i c c n) ], # pc51
147 [ qw(i d n n n n n n m m m c c h) ], # pc73
158 [ qw(i c c c m) ], # pc84
159 [ qw(i c c c m) ], # pc85
164 [ qw(i c n) ], # pc90
167 # use the entry in the check list to check the field list presented
168 # return OK if line NOT in check list (for now)
173 return 0 if $n < 0 || $n > @checklist;
174 my $ref = $checklist[$n];
175 return 0 unless ref $ref;
178 for ($i = 1; $i < @$ref; $i++) {
179 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
180 return 0 unless $act;
181 next if $blank && $_[$i] =~ /^[ \*]$/;
183 return $i unless is_callsign($_[$i]);
184 } elsif ($act eq 'i') {
186 } elsif ($act eq 'm') {
187 return $i unless is_pctext($_[$i]);
188 } elsif ($act eq 'p') {
189 return $i unless is_pcflag($_[$i]);
190 } elsif ($act eq 'f') {
191 return $i unless is_freq($_[$i]);
192 } elsif ($act eq 'n') {
193 return $i unless $_[$i] =~ /^[\d ]+$/;
194 } elsif ($act eq 'h') {
195 return $i unless $_[$i] =~ /^H\d\d?$/;
196 } elsif ($act eq 'd') {
197 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
198 } elsif ($act eq 't') {
199 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
207 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
212 # obtain a new connection this is derived from dxchannel
217 my $self = DXChannel::alloc(@_);
219 # add this node to the table, the values get filled in later
222 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
227 # this is how a pc connection starts (for an incoming connection)
228 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
229 # all the crap that comes between).
232 my ($self, $line, $sort) = @_;
233 my $call = $self->{call};
234 my $user = $self->{user};
237 my $host = $self->{conn}->{peerhost} || "unknown";
238 Log('DXProt', "$call connected from $host");
240 # remember type of connection
241 $self->{consort} = $line;
242 $self->{outbound} = $sort eq 'O';
243 my $priv = $user->priv;
244 $priv = $user->priv(1) unless $priv;
245 $self->{priv} = $priv; # other clusters can always be 'normal' users
246 $self->{lang} = $user->lang || 'en';
247 $self->{isolate} = $user->{isolate};
248 $self->{consort} = $line; # save the connection type
252 # sort out registration
253 $self->{registered} = 1;
255 # get the output filters
256 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
257 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
258 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
259 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
260 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
263 # get the INPUT filters (these only pertain to Clusters)
264 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
265 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
266 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
267 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
268 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
270 # set unbuffered and no echo
271 $self->send_now('B',"0");
272 $self->send_now('E',"0");
273 $self->conn->echo(0) if $self->conn->can('echo');
275 # ping neighbour node stuff
276 my $ping = $user->pingint;
277 $ping = $pingint unless defined $ping;
278 $self->{pingint} = $ping;
279 $self->{nopings} = $user->nopings || $obscount;
280 $self->{pingtime} = [ ];
281 $self->{pingave} = 999;
282 $self->{metric} ||= 100;
283 $self->{lastping} = $main::systime;
285 # send initialisation string
286 unless ($self->{outbound}) {
290 $self->state('init');
291 $self->{pc50_t} = $main::systime;
293 # send info to all logged in thingies
294 $self->tell_login('loginn');
296 # run a script send the output to the debug file
297 my $script = new Script(lc $call) || new Script('node_default');
298 $script->run($self) if $script;
302 # send outgoing 'challenge'
313 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
314 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
322 # $self->SUPER::send($line);
327 # This is the normal pcxx despatcher
331 my ($self, $line) = @_;
333 # remove any incoming PC90 frames
336 my @field = split /\^/, $line;
337 return unless @field;
339 pop @field if $field[-1] eq '~';
341 # print join(',', @field), "\n";
344 # process PC frames, this will fail unless the frame starts PCnn
345 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
346 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
347 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
351 # check for and dump bad protocol messages
352 my $n = check($pcno, @field);
354 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
358 my $origin = $self->{call};
360 my $sub = "handle_$pcno";
362 if ($self->can($sub)) {
363 $self->$sub($pcno, $line, $origin, @field);
365 $self->handle_default($pcno, $line, $origin, @field);
369 # incoming talk commands
378 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
380 # will we allow it at all?
383 if (@bad = BadWords::check($_[3])) {
384 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
389 # is it for me or one of mine?
390 my ($from, $to, $via, $call, $dxchan);
399 # if this is a 'nodx' node then ignore it
400 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
401 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
405 # if this is a 'bad spotter' user then ignore it
407 $nossid =~ s/-\d+$//;
408 if ($badspotter->in($nossid)) {
409 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
413 # if we are converting announces to talk is it a dup?
415 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
416 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
421 # remember a route to this node and also the node on which this user is
422 RouteDB::update($_[6], $self->{call});
423 # RouteDB::update($to, $_[6]);
425 # it is here and logged on
426 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
427 $dxchan = DXChannel->get($to) unless $dxchan;
428 if ($dxchan && $dxchan->is_user) {
430 $dxchan->talk($from, $to, $via, $_[3]);
434 # is it elsewhere, visible on the cluster via the to address?
435 # note: this discards the via unless the to address is on
438 if ($ref = Route::get($to)) {
439 $vref = Route::Node::get($via) if $via;
440 $vref = undef unless $vref && grep $to eq $_, $vref->users;
441 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
445 # can we see an interface to send it down?
447 # not visible here, send a message of condolence
449 $ref = Route::get($from);
450 $vref = $ref = Route::Node::get($_[6]) unless $ref;
452 $dxchan = $ref->dxchan;
453 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
465 # route 'foreign' pc26s
467 if ($_[7] ne $main::mycall) {
468 $self->route($_[7], $line);
474 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
476 # if this is a 'nodx' node then ignore it
477 if ($badnode->in($_[7])) {
478 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
482 # if this is a 'bad spotter' user then ignore it
484 $nossid =~ s/-\d+$//;
485 if ($badspotter->in($nossid)) {
486 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
490 # convert the date to a unix date
491 my $d = cltounix($_[3], $_[4]);
492 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
493 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
494 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
499 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
500 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
505 $_[5] =~ s/^\s+//; # take any leading blanks off
506 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
507 if ($_[2] =~ /BUST\w*$/) {
508 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
513 if (@bad = BadWords::check($_[5])) {
514 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
520 # RouteDB::update($_[7], $self->{call});
521 # RouteDB::update($_[6], $_[7]);
523 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
524 # global spot filtering on INPUT
525 if ($self->{inspotsfilter}) {
526 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
528 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
533 # this goes after the input filtering, but before the add
534 # so that if it is input filtered, it isn't added to the dup
535 # list. This allows it to come in from a "legitimate" source
536 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
537 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
545 # @spot at this point contains:-
546 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
547 # then spotted itu, spotted cq, spotters itu, spotters cq
548 # you should be able to route on any of these
551 # fix up qra locators of known users
552 my $user = DXUser->get_current($spot[4]);
554 my $qra = $user->qra;
555 unless ($qra && is_qra($qra)) {
556 my $lat = $user->lat;
557 my $long = $user->long;
558 if (defined $lat && defined $long) {
559 $user->qra(DXBearing::lltoqra($lat, $long));
564 # send a remote command to a distant cluster if it is visible and there is no
565 # qra locator and we havn't done it for a month.
567 unless ($user->qra) {
569 my $to = $user->homenode;
570 my $last = $user->lastoper || 0;
571 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
572 my $cmd = "forward/opernam $spot[4]";
573 # send the rcmd but we aren't interested in the replies...
574 my $dxchan = $node->dxchan;
575 if ($dxchan && $dxchan->is_clx) {
576 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
578 route(undef, $to, pc34($main::mycall, $to, $cmd));
582 $node = Route::Node::get($to);
584 $dxchan = $node->dxchan;
585 if ($dxchan && $dxchan->is_clx) {
586 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
588 route(undef, $to, pc34($main::mycall, $to, $cmd));
592 $user->lastoper($main::systime);
601 $r = Local::spot($self, @spot);
603 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
606 # DON'T be silly and send on PC26s!
607 return if $pcno == 26;
609 # send out the filtered spots
610 send_dx_spot($self, $line, @spot) if @spot;
621 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
623 # announce duplicate checking
624 $_[3] =~ s/^\s+//; # remove leading blanks
628 if (@bad = BadWords::check($_[3])) {
629 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
634 # if this is a 'nodx' node then ignore it
635 if ($badnode->in($_[5])) {
636 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
640 # if this is a 'bad spotter' user then ignore it
642 $nossid =~ s/-\d+$//;
643 if ($badspotter->in($nossid)) {
644 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
651 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
652 $self->send_chat($line, @_[1..6]);
653 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
656 # RouteDB::update($_[5], $self->{call});
657 # RouteDB::update($_[1], $_[5]);
659 # ignore something that looks like a chat line coming in with sysop
660 # flag - this is a kludge...
661 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
662 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
666 # here's a bit of fun, convert incoming ann with a callsign in the first word
667 # or one saying 'to <call>' to a talk if we can route to the recipient
669 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
671 my $ref = Route::get($call);
673 $dxchan = $ref->dxchan;
674 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
681 $self->send_announce($line, @_[1..6]);
683 $self->route($_[2], $line);
698 my $newline = "PC16^";
700 # dos I want users from this channel?
701 unless ($self->user->wantpc16) {
702 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
706 if ($ncall eq $main::mycall) {
707 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
711 RouteDB::update($ncall, $self->{call});
713 # do we believe this call?
714 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
715 if (my $ivp = Investigate::get($ncall, $self->{call})) {
716 $ivp->store_pcxx($pcno,$line,$origin,@_);
718 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
723 if (eph_dup($line)) {
724 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
728 my $parent = Route::Node::get($ncall);
730 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
731 # fix it up in the routing tables and issue it forth before the PC16
733 my $nl = $pc19list{$ncall};
735 if ($nl && @_ > 3) { # 3 because of the hop count!
737 # this is a new (remembered) node, now attach it to me if it isn't in filtered
738 # and we haven't disallowed it
739 my $user = DXUser->get_current($ncall);
741 $user = DXUser->new($ncall);
743 $user->priv(1); # I have relented and defaulted nodes
745 $user->homenode($ncall);
749 my $wantpc19 = $user->wantroutepc19;
750 if ($wantpc19 || !defined $wantpc19) {
751 my $new = Route->new($ncall); # throw away
752 if ($self->in_filter_route($new)) {
755 $parent = Route::Node::get($_->[0]);
756 $dxchan = $parent->dxchan if $parent;
757 if ($dxchan && $dxchan ne $self) {
758 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
762 my $r = $parent->add($ncall, $_->[1], $_->[2]);
763 push @nrout, $r unless @nrout;
766 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
767 $user->lastin($main::systime) unless DXChannel->get($ncall);
770 # route the pc19 - this will cause 'stuttering PC19s' for a while
771 $self->route_pc19($origin, $line, @nrout) if @nrout ;
772 $parent = Route::Node::get($ncall);
774 dbg("PCPROT: lost $ncall after sending PC19 for it?");
780 delete $pc19list{$ncall};
783 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
788 $dxchan = $parent->dxchan;
789 if ($dxchan && $dxchan ne $self) {
790 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
794 # input filter if required
795 return unless $self->in_filter_route($parent);
800 for ($i = 2; $i < $#_; $i++) {
801 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
802 next unless $call && $conf && defined $here && is_callsign($call);
803 next if $call eq $main::mycall;
805 eph_del_regex("^PC17\\^$call\\^$ncall");
807 $conf = $conf eq '*';
809 # reject this if we think it is a node already
810 my $r = Route::Node::get($call);
811 my $u = DXUser->get_current($call) unless $r;
812 if ($r || ($u && $u->is_node)) {
813 dbg("PCPROT: $call is a node") if isdbg('chanerr');
817 $r = Route::User::get($call);
818 my $flags = Route::here($here)|Route::conf($conf);
821 my $au = $r->addparent($parent);
822 if ($r->flags != $flags) {
826 push @rout, $r if $au;
828 push @rout, $parent->add_user($call, $flags);
832 # add this station to the user database, if required
833 $call =~ s/-\d+$//o; # remove ssid for users
834 my $user = DXUser->get_current($call);
835 $user = DXUser->new($call) if !$user;
836 $user->homenode($parent->call) if !$user->homenode;
837 $user->node($parent->call);
838 $user->lastin($main::systime) unless DXChannel->get($call);
841 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
855 eph_del_regex("^PC16\\^$ncall.*$ucall");
857 # do I want users from this channel?
858 unless ($self->user->wantpc16) {
859 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
862 if ($ncall eq $main::mycall) {
863 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
867 RouteDB::delete($ncall, $self->{call});
869 # do we believe this call?
870 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
871 if (my $ivp = Investigate::get($ncall, $self->{call})) {
872 $ivp->store_pcxx($pcno,$line,$origin,@_);
874 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
879 my $uref = Route::User::get($ucall);
881 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
883 my $parent = Route::Node::get($ncall);
885 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
888 $dxchan = $parent->dxchan if $parent;
889 if ($dxchan && $dxchan ne $self) {
890 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
894 # input filter if required and then remove user if present
896 # return unless $self->in_filter_route($parent);
897 $parent->del_user($uref) if $uref;
899 $parent = Route->new($ncall); # throw away
902 if (eph_dup($line)) {
903 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
907 $uref = Route->new($ucall) unless $uref; # throw away
908 $self->route_pc17($origin, $line, $parent, $uref);
918 $self->state('init');
920 # record the type and version offered
921 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
922 $self->version(53 + $1);
923 $self->user->version(53 + $1);
924 $self->build(0 + $2);
925 $self->user->build(0 + $2);
926 unless ($self->is_spider) {
927 $self->user->sort('S');
932 $self->version(50.0);
933 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
934 $self->user->version($self->version);
937 # first clear out any nodes on this dxchannel
938 my $parent = Route::Node::get($self->{call});
939 my @rout = $parent->del_nodes;
940 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
941 $self->send_local_config();
945 # incoming cluster list
954 my $newline = "PC19^";
959 # first get the INTERFACE node
960 my $parent = Route::Node::get($self->{call});
962 dbg("DXPROT: my parent $self->{call} has disappeared");
967 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
968 if ($origin ne $self->call) {
969 my $op = Route::Node::get($origin);
971 $op = $parent->add($origin, 5000, Route::here(1));
972 my $user = DXUser->get_current($origin);
974 $user = DXUser->new($origin);
975 $user->priv(1); # I have relented and defaulted nodes
977 $user->homenode($origin);
978 $user->node($origin);
979 $user->wantroutepc19(1);
981 $user->sort('A') unless $user->is_node;
988 for ($i = 1; $i < $#_-1; $i += 4) {
990 my $call = uc $_[$i+1];
993 next unless defined $here && defined $conf && is_callsign($call);
995 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
997 # check for sane parameters
998 # $ver = 5000 if $ver eq '0000';
999 next if $ver < 5000; # only works with version 5 software
1000 next if length $call < 3; # min 3 letter callsigns
1001 next if $call eq $main::mycall;
1003 # check that this PC19 isn't trying to alter the wrong dxchan
1004 my $dxchan = DXChannel->get($call);
1005 if ($dxchan && $dxchan != $self) {
1006 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1010 # add this station to the user database, if required (don't remove SSID from nodes)
1011 my $user = DXUser->get_current($call);
1013 $user = DXUser->new($call);
1014 $user->priv(1); # I have relented and defaulted nodes
1016 $user->homenode($call);
1019 $user->sort('A') unless $user->is_node;
1021 RouteDB::update($call, $self->{call});
1023 # do we believe this call?
1024 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1025 unless ($call eq $self->{call} || $self->is_believed($call)) {
1026 my $pt = $user->lastping($self->{call}) || 0;
1027 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1028 my $ivp = Investigate->new($call, $self->{call});
1029 $ivp->version($ver);
1031 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1033 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1039 if (eph_dup($genline)) {
1040 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1044 my $r = Route::Node::get($call);
1045 my $flags = Route::here($here)|Route::conf($conf);
1047 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1050 if ($call ne $parent->call) {
1051 if ($self->in_filter_route($r)) {
1052 $ar = $parent->add($call, $ver, $flags);
1053 push @rout, $ar if $ar;
1058 if ($r->version ne $ver || $r->flags != $flags) {
1061 push @rout, $r unless $ar;
1065 # if he is directly connected or allowed then add him, otherwise store him up for later
1066 if ($call eq $self->{call} || $user->wantroutepc19) {
1067 my $new = Route->new($call); # throw away
1068 if ($self->in_filter_route($new)) {
1069 my $ar = $parent->add($call, $ver, $flags);
1070 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1071 push @rout, $ar if $ar;
1076 $pc19list{$call} = [] unless exists $pc19list{$call};
1077 my $nl = $pc19list{$call};
1078 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1082 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1083 my $mref = DXMsg::get_busy($call);
1084 $mref->stop_msg($call) if $mref;
1086 $user->lastin($main::systime) unless DXChannel->get($call);
1091 $self->route_pc19($origin, $line, @rout) if @rout;
1094 # send local configuration
1101 $self->send_local_config();
1102 $self->send(pc22());
1103 $self->state('normal');
1104 $self->{lastping} = 0;
1107 # delete a cluster from the list
1114 my $call = uc $_[1];
1116 eph_del_regex("^PC1[679].*$call");
1118 # if I get a PC21 from the same callsign as self then treat it
1119 # as a PC39: I have gone away
1120 if ($call eq $self->call) {
1121 $self->disconnect(1);
1125 RouteDB::delete($call, $self->{call});
1127 # check if we believe this
1128 unless ($call eq $self->{call} || $self->is_believed($call)) {
1129 if (my $ivp = Investigate::get($call, $self->{call})) {
1130 $ivp->store_pcxx($pcno,$line,$origin,@_);
1132 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1137 # check to see if we are in the pc19list, if we are then don't bother with any of
1138 # this routing table manipulation, just remove it from the list and dump it
1140 if (my $nl = $pc19list{$call}) {
1141 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1142 delete $pc19list{$call} unless @{$pc19list{$call}};
1145 my $parent = Route::Node::get($self->{call});
1147 dbg("DXPROT: my parent $self->{call} has disappeared");
1151 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1152 my $node = Route::Node::get($call);
1155 my $dxchan = DXChannel->get($call);
1156 if ($dxchan && $dxchan != $self) {
1157 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1162 return unless $self->in_filter_route($node);
1165 push @rout, $node->del($parent);
1168 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1173 $self->route_pc21($origin, $line, @rout) if @rout;
1183 $self->state('normal');
1184 $self->{lastping} = 0;
1195 # route foreign' pc27s
1197 if ($_[8] ne $main::mycall) {
1198 $self->route($_[8], $line);
1203 # only do a rspf check on PC23 (not 27)
1205 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1209 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1210 my $sfi = unpad($_[3]);
1211 my $k = unpad($_[4]);
1212 my $i = unpad($_[5]);
1213 my ($r) = $_[6] =~ /R=(\d+)/;
1215 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1216 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1219 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1220 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1223 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1225 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1229 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1231 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1234 # DON'T be silly and send on PC27s!
1235 return if $pcno == 27;
1237 # broadcast to the eager world
1238 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1248 my $call = uc $_[1];
1250 $nref = Route::Node::get($call);
1251 $uref = Route::User::get($call);
1252 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1254 if (eph_dup($line)) {
1255 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1259 $nref->here($_[2]) if $nref;
1260 $uref->here($_[2]) if $uref;
1261 my $ref = $nref || $uref;
1262 return unless $self->in_filter_route($ref);
1264 $self->route_pc24($origin, $line, $ref, $_[3]);
1274 if ($_[1] ne $main::mycall) {
1275 $self->route($_[1], $line);
1278 if ($_[2] eq $main::mycall) {
1279 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1283 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1287 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1290 $self->send(pc26(@{$in}[0..4], $_[2]));
1296 my @in = reverse Geomag::search(0, $_[4], time, 1);
1299 $self->send(pc27(@{$in}[0..5], $_[2]));
1304 sub handle_26 {goto &handle_11}
1305 sub handle_27 {goto &handle_23}
1307 # mail/file handling
1314 if ($_[1] eq $main::mycall) {
1316 my $sub = "DXMsg::handle_$pcno";
1319 $self->route($_[1], $line) unless $self->is_clx;
1323 sub handle_29 {goto &handle_28}
1324 sub handle_30 {goto &handle_28}
1325 sub handle_31 {goto &handle_28}
1326 sub handle_32 {goto &handle_28}
1327 sub handle_33 {goto &handle_28}
1335 if (eph_dup($line, $eph_pc34_restime)) {
1336 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1338 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1342 # remote command replies
1349 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1350 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1353 sub handle_36 {goto &handle_34}
1362 if ($_[1] eq $main::mycall) {
1364 my $sub = "DXDb::handle_$pcno";
1367 $self->route($_[1], $line) unless $self->is_clx;
1371 # node connected list from neighbour
1380 # incoming disconnect
1387 if ($_[1] eq $self->{call}) {
1388 $self->disconnect(1);
1390 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1394 sub handle_40 {goto &handle_28}
1406 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1407 if (eph_dup($l, $eph_info_restime)) {
1408 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1412 # input filter if required
1413 # my $ref = Route::get($call) || Route->new($call);
1414 # return unless $self->in_filter_route($ref);
1416 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1417 dbg('PCPROT: invalid value') if isdbg('chanerr');
1421 # add this station to the user database, if required
1422 my $user = DXUser->get_current($call);
1423 $user = DXUser->new($call) unless $user;
1427 } elsif ($_[2] == 2) {
1429 } elsif ($_[2] == 3) {
1430 if (is_latlong($_[3])) {
1431 my ($lat, $long) = DXBearing::stoll($_[3]);
1434 $user->qra(DXBearing::lltoqra($lat, $long));
1436 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1439 } elsif ($_[2] == 4) {
1440 $user->homenode($_[3]);
1441 } elsif ($_[2] == 5) {
1442 if (is_qra(uc $_[3])) {
1443 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1446 $user->qra(uc $_[3]);
1448 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1452 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1455 unless ($self->{isolate}) {
1456 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1459 # perhaps this IS what we want after all
1460 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1463 sub handle_42 {goto &handle_28}
1467 sub handle_44 {goto &handle_37}
1468 sub handle_45 {goto &handle_37}
1469 sub handle_46 {goto &handle_37}
1470 sub handle_47 {goto &handle_37}
1471 sub handle_48 {goto &handle_37}
1473 # message and database
1481 if (eph_dup($line)) {
1482 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1486 if ($_[1] eq $main::mycall) {
1487 DXMsg::handle_49($self, @_);
1489 $self->route($_[1], $line) unless $self->is_clx;
1493 # keep alive/user list
1503 RouteDB::update($call, $self->{call});
1505 my $node = Route::Node::get($call);
1507 return unless $node->call eq $self->{call};
1508 $node->usercount($_[2]);
1510 # input filter if required
1511 return unless $self->in_filter_route($node);
1513 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1517 # incoming ping requests/answers
1530 if ($to eq $main::mycall) {
1532 $self->send(pc51($from, $to, '0'));
1534 # it's a reply, look in the ping list for this one
1535 my $ref = $pings{$from};
1537 my $tochan = DXChannel->get($from);
1539 my $r = shift @$ref;
1540 my $dxchan = DXChannel->get($r->{call});
1541 next unless $dxchan;
1542 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1543 if ($dxchan->is_user) {
1544 my $s = sprintf "%.2f", $t;
1545 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1546 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1547 } elsif ($dxchan->is_node) {
1549 my $nopings = $tochan->user->nopings || $obscount;
1550 push @{$tochan->{pingtime}}, $t;
1551 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1553 # cope with a missed ping, this means you must set the pingint large enough
1554 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1555 $t -= $tochan->{pingint};
1558 # calc smoothed RTT a la TCP
1559 if (@{$tochan->{pingtime}} == 1) {
1560 $tochan->{pingave} = $t;
1562 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1564 $tochan->{nopings} = $nopings; # pump up the timer
1565 if (my $ivp = Investigate::get($from, $self->{call})) {
1568 } elsif (my $rref = Route::Node::get($r->{call})) {
1569 if (my $ivp = Investigate::get($from, $self->{call})) {
1579 RouteDB::update($from, $self->{call});
1581 if (eph_dup($line)) {
1582 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1585 # route down an appropriate thingy
1586 $self->route($to, $line);
1590 # dunno but route it
1598 if ($call ne $main::mycall) {
1599 $self->route($call, $line);
1613 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1614 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1615 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1618 @_ = map { unpad($_) } @_;
1620 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1624 my $wcy = WCY::update($d, @_[2..12]);
1628 $rep = Local::wcy($self, @_[1..12]);
1630 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1633 # broadcast to the eager world
1634 send_wcy_spot($self, $line, $d, @_[2..12]);
1637 # remote commands (incoming)
1644 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1647 # remote command replies
1654 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1657 # if get here then rebroadcast the thing with its Hop count decremented (if
1658 # there is one). If it has a hop count and it decrements to zero then don't
1661 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1672 if (eph_dup($line)) {
1673 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1675 unless ($self->{isolate}) {
1676 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1682 # This is called from inside the main cluster processing loop and is used
1683 # for despatching commands that are doing some long processing job
1688 my @dxchan = DXChannel->get_all();
1692 # send out a pc50 on EVERY channel all at once
1693 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1694 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1699 foreach $dxchan (@dxchan) {
1700 next unless $dxchan->is_node();
1701 next if $dxchan == $main::me;
1704 $dxchan->send($pc50s) if $pc50s;
1706 # send a ping out on this channel
1707 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1708 if ($dxchan->{nopings} <= 0) {
1709 $dxchan->disconnect;
1711 addping($main::mycall, $dxchan->call);
1712 $dxchan->{nopings} -= 1;
1713 $dxchan->{lastping} = $t;
1718 Investigate::process();
1721 if ($t - $last10 >= 10) {
1722 # clean out ephemera
1731 if ($main::systime - 3600 > $last_hour) {
1732 $last_hour = $main::systime;
1737 # finish up a pc context
1741 # some active measures
1749 my @dxchan = DXChannel->get_all();
1752 # send it if it isn't the except list and isn't isolated and still has a hop count
1753 # taking into account filtering and so on
1754 foreach $dxchan (@dxchan) {
1755 next if $dxchan == $main::me;
1756 next if $dxchan == $self && $self->is_node;
1757 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1765 my $isolate = shift;
1766 my ($filter, $hops);
1768 if ($self->{spotsfilter}) {
1769 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1770 return unless $filter;
1772 send_prot_line($self, $filter, $hops, $isolate, $line);
1777 my ($self, $filter, $hops, $isolate, $line) = @_;
1783 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1785 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1786 return unless $routeit;
1789 $self->send($routeit);
1791 $self->send($routeit) unless $self->{isolate} || $isolate;
1800 my @dxchan = DXChannel->get_all();
1802 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1804 # send it if it isn't the except list and isn't isolated and still has a hop count
1805 # taking into account filtering and so on
1806 foreach $dxchan (@dxchan) {
1807 next if $dxchan == $main::me;
1808 next if $dxchan == $self && $self->is_node;
1810 my ($filter, $hops);
1812 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1820 my $isolate = shift;
1821 my ($filter, $hops);
1823 if ($self->{wwvfilter}) {
1824 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1825 return unless $filter;
1827 send_prot_line($self, $filter, $hops, $isolate, $line)
1834 my @dxchan = DXChannel->get_all();
1836 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1838 # send it if it isn't the except list and isn't isolated and still has a hop count
1839 # taking into account filtering and so on
1840 foreach $dxchan (@dxchan) {
1841 next if $dxchan == $main::me;
1842 next if $dxchan == $self;
1844 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1852 my $isolate = shift;
1853 my ($filter, $hops);
1855 if ($self->{wcyfilter}) {
1856 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1857 return unless $filter;
1859 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1867 my @dxchan = DXChannel->get_all();
1871 my $text = unpad($_[2]);
1873 if ($_[3] eq '*') { # sysops
1875 } elsif ($_[3] gt ' ') { # speciality list handling
1876 my ($name) = split /\./, $_[3];
1877 $target = "$name"; # put the rest in later (if bothered)
1884 $target = "ALL" if !$target;
1887 # obtain country codes etc
1888 my @a = Prefix::cty_data($_[0]);
1889 my @b = Prefix::cty_data($_[4]);
1890 if ($self->{inannfilter}) {
1891 my ($filter, $hops) =
1892 $self->{inannfilter}->it(@_, $self->{call},
1894 @b[0..2], $a[3], $b[3]);
1896 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1901 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1902 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1906 Log('ann', $target, $_[0], $text);
1908 # send it if it isn't the except list and isn't isolated and still has a hop count
1909 # taking into account filtering and so on
1910 foreach $dxchan (@dxchan) {
1911 next if $dxchan == $main::me;
1912 next if $dxchan == $self && $self->is_node;
1913 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1914 @a[0..2], @b[0..2]);
1923 $msgid = 1 if $msgid > 999;
1932 my @dxchan = DXChannel->get_all();
1935 my $text = unpad($_[2]);
1938 # munge the group and recast the line if required
1939 if ($target =~ s/\.LST$//) {
1943 # obtain country codes etc
1944 my @a = Prefix::cty_data($_[0]);
1945 my @b = Prefix::cty_data($_[4]);
1946 if ($self->{inannfilter}) {
1947 my ($filter, $hops) =
1948 $self->{inannfilter}->it(@_, $self->{call},
1950 @b[0..2], $a[3], $b[3]);
1952 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1957 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1958 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1963 Log('chat', $target, $_[0], $text);
1965 # send it if it isn't the except list and isn't isolated and still has a hop count
1966 # taking into account filtering and so on
1967 foreach $dxchan (@dxchan) {
1968 my $is_ak1a = $dxchan->is_ak1a;
1970 if ($dxchan->is_node) {
1971 next if $dxchan == $main::me;
1972 next if $dxchan == $self;
1973 next unless $dxchan->is_spider || $is_ak1a;
1974 next if $target eq 'LOCAL';
1975 if (!$ak1a_line && $is_ak1a) {
1976 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1980 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1981 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1989 my $isolate = shift;
1993 my ($filter, $hops);
1995 if ($self->{annfilter}) {
1996 ($filter, $hops) = $self->{annfilter}->it(@_);
1997 return unless $filter;
1999 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2008 sub send_local_config
2016 dbg('DXProt::send_local_config') if isdbg('trace');
2019 if ($self->{isolate}) {
2020 @localnodes = ( $main::routeroot );
2021 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2023 # create a list of all the nodes that are not connected to this connection
2024 # and are not themselves isolated, this to make sure that isolated nodes
2025 # don't appear outside of this node
2027 # send locally connected nodes
2028 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2029 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2030 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2033 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2035 for $node (@rawintcalls) {
2036 push @intcalls, $node unless grep $node eq $_, @intcalls;
2038 my $ref = Route::Node::get($self->{call});
2039 my @rnodes = $ref->nodes;
2040 for $node (@intcalls) {
2041 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2043 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2046 # get all the users connected on the above nodes and send them out
2047 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2049 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2050 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2052 dbg("sent a null value") if isdbg('chanerr');
2058 # route a message down an appropriate interface for a callsign
2060 # is called route(to, pcline);
2065 my ($self, $call, $line) = @_;
2067 if (ref $self && $call eq $self->{call}) {
2068 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2072 # always send it down the local interface if available
2073 my $dxchan = DXChannel->get($call);
2075 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2077 my $cl = Route::get($call);
2078 $dxchan = $cl->dxchan if $cl;
2080 if (ref $self && $dxchan eq $self) {
2081 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2084 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2088 # try the backstop method
2090 my $rcall = RouteDB::get($call);
2092 if ($self && $rcall eq $self->{call}) {
2093 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2096 $dxchan = DXChannel->get($rcall);
2097 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2102 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2104 $dxchan->send($routeit) unless $dxchan == $main::me;
2107 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2112 # obtain the hops from the list for this callsign and pc no
2118 my $hops = $DXProt::hopcount{$pcno};
2119 $hops = $DXProt::def_hopcount if !$hops;
2124 # adjust the hop count on a per node basis using the user loadable
2125 # hop table if available or else decrement an existing one
2132 my $call = $self->{call};
2135 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2136 my ($pcno) = $s =~ /^PC(\d\d)/o;
2137 confess "$call called adjust_hops with '$s'" unless $pcno;
2138 my $ref = $nodehops{$call} if %nodehops;
2140 my $newhops = $ref->{$pcno};
2141 return "" if defined $newhops && $newhops == 0;
2142 $newhops = $ref->{default} unless $newhops;
2143 return "" if defined $newhops && $newhops == 0;
2144 $newhops = $hops if !$newhops;
2145 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2147 # simply decrement it
2149 return "" if !$hops;
2150 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2162 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2163 do "$main::data/hop_table.pl";
2169 # add a ping request to the ping queues
2172 my ($from, $to, $via) = @_;
2173 my $ref = $pings{$to} || [];
2176 $r->{t} = [ gettimeofday ];
2177 if ($via && (my $dxchan = DXChannel->get($via))) {
2178 $dxchan->send(pc51($to, $main::mycall, 1));
2180 route(undef, $to, pc51($to, $main::mycall, 1));
2184 my $u = DXUser->get_current($to);
2186 $u->lastping(($via || $from), $main::systime);
2193 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2194 if ($tonode eq $main::mycall) {
2195 my $ref = DXUser->get_current($fromnode);
2196 my $cref = Route::Node::get($fromnode);
2197 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2198 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2199 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2200 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2201 my $oldpriv = $self->{priv};
2202 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2203 my @in = (DXCommandmode::run_cmd($self, $cmd));
2204 $self->{priv} = $oldpriv;
2205 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2206 delete $self->{remotecmd};
2208 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2211 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2214 my $ref = DXUser->get_current($tonode);
2215 if ($ref && $ref->is_clx) {
2216 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2218 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2223 sub process_rcmd_reply
2225 my ($self, $tonode, $fromnode, $user, $line) = @_;
2226 if ($tonode eq $main::mycall) {
2227 my $s = $rcmds{$fromnode};
2229 my $dxchan = DXChannel->get($s->{call});
2230 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2231 $ref->send($line) if $ref;
2232 delete $rcmds{$fromnode} if !$dxchan;
2234 # send unsolicited ones to the sysop
2235 my $dxchan = DXChannel->get($main::myalias);
2236 $dxchan->send($line) if $dxchan;
2239 my $ref = DXUser->get_current($tonode);
2240 if ($ref && $ref->is_clx) {
2241 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2243 $self->route($tonode, pc35($fromnode, $tonode, $line));
2252 my $fromnode = shift;
2257 Log('rcmd', 'out', $fromnode, $line);
2258 if ($self->is_clx) {
2259 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2261 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2266 # add a rcmd request to the rcmd queues
2269 my ($self, $to, $cmd) = @_;
2272 $r->{call} = $self->{call};
2273 $r->{t} = $main::systime;
2277 my $ref = Route::Node::get($to);
2278 my $dxchan = $ref->dxchan;
2279 if ($dxchan && $dxchan->is_clx) {
2280 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2282 route(undef, $to, pc34($main::mycall, $to, $cmd));
2289 my $pc39flag = shift;
2290 my $call = $self->call;
2292 return if $self->{disconnecting}++;
2294 unless ($pc39flag && $pc39flag == 1) {
2295 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2298 # get rid of any PC16/17/19
2299 eph_del_regex("^PC1[679]*$call");
2301 # do routing stuff, remove me from routing table
2302 my $node = Route::Node::get($call);
2305 @rout = $node->del($main::routeroot);
2307 # and all my ephemera as well
2310 eph_del_regex("^PC1[679].*$c");
2314 RouteDB::delete_interface($call);
2316 # remove them from the pc19list as well
2317 while (my ($k,$v) = each %pc19list) {
2318 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2320 $pc19list{$k} = \@l;
2322 delete $pc19list{$k};
2326 eph_del_regex("^PC1[679].*$k");
2329 # unbusy and stop and outgoing mail
2330 my $mref = DXMsg::get_busy($call);
2331 $mref->stop_msg($call) if $mref;
2333 # broadcast to all other nodes that all the nodes connected to via me are gone
2334 unless ($pc39flag && $pc39flag == 2) {
2335 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2338 # remove outstanding pings
2339 delete $pings{$call};
2341 # I was the last node visited
2342 $self->user->node($main::mycall);
2344 # send info to all logged in thingies
2345 $self->tell_login('logoutn');
2347 Log('DXProt', $call . " Disconnected");
2349 $self->SUPER::disconnect;
2354 # send a talk message to this thingy
2358 my ($self, $from, $to, $via, $line, $origin) = @_;
2360 $line =~ s/\^/\\5E/g; # remove any ^ characters
2361 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2362 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2365 # send it if it isn't the except list and isn't isolated and still has a hop count
2366 # taking into account filtering and so on
2372 my $generate = shift;
2373 my $no = shift; # the no of things to filter on
2375 my ($filter, $hops);
2378 for (; @_ && $no; $no--) {
2381 if (!$self->{isolate} && $self->{routefilter}) {
2384 ($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});
2388 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2391 dbg("was sent a null value") if isdbg('chanerr');
2394 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2398 foreach my $line (&$generate(@rin, @_)) {
2401 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2403 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2404 next unless $routeit;
2407 $self->send($routeit);
2416 my $generate = shift;
2418 my @dxchan = DXChannel::get_all_nodes();
2421 unless ($self->{isolate}) {
2422 foreach $dxchan (@dxchan) {
2423 next if $dxchan == $self;
2424 next if $dxchan == $main::me;
2425 next unless $dxchan->isa('DXProt');
2426 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2428 $dxchan->send_route($origin, $generate, @_);
2436 return unless $self->user->wantpc16;
2439 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2445 return unless $self->user->wantpc16;
2448 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2456 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2464 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2472 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2480 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2488 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2495 my ($filter, $hops) = (1, 1);
2497 if ($self->{inroutefilter}) {
2498 ($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);
2499 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2507 my $t = shift || $eph_restime;
2511 $s =~ s/\^H\d\d?\^?\~?$//;
2512 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2513 $eph{$s} = $main::systime + $t;
2514 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2522 while (($key, $val) = each %eph) {
2523 if ($key =~ m{$regex}) {
2533 while (($key, $val) = each %eph) {
2534 if ($main::systime >= $val) {
2545 while (($key, $val) = each %eph) {
2546 push @out, $key, $val;
2553 goto &DXCommandmode::run_cmd;
2557 # import any msgs in the chat directory
2558 # the messages are sent to the chat group which forms the
2559 # the first part of the name (eg: solar.1243.txt would be
2560 # sent to chat group SOLAR)
2562 # Each message found is sent: one non-blank line to one chat
2563 # message. So 4 lines = 4 chat messages.
2565 # The special name LOCAL is for local users ANN
2566 # The special name ALL is for ANN/FULL
2567 # The special name SYSOP is for ANN/SYSOP
2571 # are there any to do in this directory?
2572 return unless -d $chatimportfn;
2573 unless (opendir(DIR, $chatimportfn)) {
2574 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2575 Log('msg', "can\'t open $chatimportfn $!");
2579 my @names = readdir(DIR);
2582 foreach $name (@names) {
2583 next if $name =~ /^\./;
2584 my $splitit = $name =~ /^split/;
2585 my $fn = "$chatimportfn/$name";
2587 unless (open(MSG, $fn)) {
2588 dbg("can\'t open import file $fn $!") if isdbg('msg');
2589 Log('msg', "can\'t open import file $fn $!");
2593 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2597 my @cat = split /\./, $name;
2598 my $target = uc $cat[0];
2600 foreach my $text (@msg) {
2601 next unless $text && $text !~ /^\s*#/;
2602 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2603 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2604 if ($target ne 'LOCAL') {
2605 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2607 Log('ann', 'LOCAL', $main::mycall, $text);
2608 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2611 my $msgid = nextchatmsgid();
2612 $text = "#$msgid $text";
2613 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');