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 $myprot_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 bm 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";
210 my $user = DXUser->get($main::mycall);
211 die "User $main::mycall not setup or disappeared RTFM" unless $user;
213 $myprot_version += $main::version*100;
214 $main::me = DXProt->new($main::mycall, 0, $user);
215 $main::me->{here} = 1;
216 $main::me->{state} = "indifferent";
217 $main::me->{sort} = 'S'; # S for spider
218 $main::me->{priv} = 9;
219 $main::me->{metric} = 0;
220 $main::me->{pingave} = 0;
221 $main::me->{registered} = 1;
222 $main::me->{version} = $main::version;
223 $main::me->{build} = $main::build;
227 # obtain a new connection this is derived from dxchannel
232 my $self = DXChannel::alloc(@_);
234 # add this node to the table, the values get filled in later
237 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
242 # this is how a pc connection starts (for an incoming connection)
243 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
244 # all the crap that comes between).
247 my ($self, $line, $sort) = @_;
248 my $call = $self->{call};
249 my $user = $self->{user};
252 my $host = $self->{conn}->{peerhost};
253 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
256 Log('DXProt', "$call connected from $host");
258 # remember type of connection
259 $self->{consort} = $line;
260 $self->{outbound} = $sort eq 'O';
261 my $priv = $user->priv;
262 $priv = $user->priv(1) unless $priv;
263 $self->{priv} = $priv; # other clusters can always be 'normal' users
264 $self->{lang} = $user->lang || 'en';
265 $self->{isolate} = $user->{isolate};
266 $self->{consort} = $line; # save the connection type
270 # sort out registration
271 $self->{registered} = 1;
273 # get the output filters
274 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
275 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
276 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
277 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
278 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
281 # get the INPUT filters (these only pertain to Clusters)
282 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
283 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
284 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
285 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
286 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
288 # set unbuffered and no echo
289 $self->send_now('B',"0");
290 $self->send_now('E',"0");
291 $self->conn->echo(0) if $self->conn->can('echo');
293 # ping neighbour node stuff
294 my $ping = $user->pingint;
295 $ping = $pingint unless defined $ping;
296 $self->{pingint} = $ping;
297 $self->{nopings} = $user->nopings || $obscount;
298 $self->{pingtime} = [ ];
299 $self->{pingave} = 999;
300 $self->{metric} ||= 100;
301 $self->{lastping} = $main::systime;
303 # send initialisation string
304 unless ($self->{outbound}) {
308 $self->state('init');
309 $self->{pc50_t} = $main::systime;
311 # send info to all logged in thingies
312 $self->tell_login('loginn');
314 # run a script send the output to the debug file
315 my $script = new Script(lc $call) || new Script('node_default');
316 $script->run($self) if $script;
320 # send outgoing 'challenge'
331 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
332 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
340 # $self->SUPER::send($line);
345 # This is the normal pcxx despatcher
349 my ($self, $line) = @_;
351 # remove any incoming PC90 frames
354 my @field = split /\^/, $line;
355 return unless @field;
357 pop @field if $field[-1] eq '~';
359 # print join(',', @field), "\n";
362 # process PC frames, this will fail unless the frame starts PCnn
363 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
364 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
365 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
369 # check for and dump bad protocol messages
370 my $n = check($pcno, @field);
372 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
376 my $origin = $self->{call};
378 my $sub = "handle_$pcno";
380 if ($self->can($sub)) {
381 $self->$sub($pcno, $line, $origin, @field);
383 $self->handle_default($pcno, $line, $origin, @field);
387 # incoming talk commands
396 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
398 # will we allow it at all?
401 if (@bad = BadWords::check($_[3])) {
402 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
407 # is it for me or one of mine?
408 my ($from, $to, $via, $call, $dxchan);
417 # if this is a 'nodx' node then ignore it
418 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
419 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
423 # if this is a 'bad spotter' user then ignore it
425 $nossid =~ s/-\d+$//;
426 if ($badspotter->in($nossid)) {
427 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
431 # if we are converting announces to talk is it a dup?
433 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
434 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
439 # remember a route to this node and also the node on which this user is
440 RouteDB::update($_[6], $self->{call});
441 # RouteDB::update($to, $_[6]);
443 # it is here and logged on
444 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
445 $dxchan = DXChannel::get($to) unless $dxchan;
446 if ($dxchan && $dxchan->is_user) {
448 $dxchan->talk($from, $to, $via, $_[3]);
452 # is it elsewhere, visible on the cluster via the to address?
453 # note: this discards the via unless the to address is on
456 if ($ref = Route::get($to)) {
457 $vref = Route::Node::get($via) if $via;
458 $vref = undef unless $vref && grep $to eq $_, $vref->users;
459 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
463 # can we see an interface to send it down?
465 # not visible here, send a message of condolence
467 $ref = Route::get($from);
468 $vref = $ref = Route::Node::get($_[6]) unless $ref;
470 $dxchan = $ref->dxchan;
471 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
483 # route 'foreign' pc26s
485 if ($_[7] ne $main::mycall) {
486 $self->route($_[7], $line);
492 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
494 # if this is a 'nodx' node then ignore it
495 if ($badnode->in($_[7])) {
496 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
500 # if this is a 'bad spotter' user then ignore it
502 $nossid =~ s/-\d+$//;
503 if ($badspotter->in($nossid)) {
504 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
508 # convert the date to a unix date
509 my $d = cltounix($_[3], $_[4]);
510 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
511 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
512 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
517 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
518 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
523 $_[5] =~ s/^\s+//; # take any leading blanks off
524 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
525 if ($_[2] =~ /BUST\w*$/) {
526 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
531 if (@bad = BadWords::check($_[5])) {
532 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
538 # RouteDB::update($_[7], $self->{call});
539 # RouteDB::update($_[6], $_[7]);
541 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
542 # global spot filtering on INPUT
543 if ($self->{inspotsfilter}) {
544 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
546 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
551 # this goes after the input filtering, but before the add
552 # so that if it is input filtered, it isn't added to the dup
553 # list. This allows it to come in from a "legitimate" source
554 if (Spot::dup(@spot[0..4,5])) {
555 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
563 # @spot at this point contains:-
564 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
565 # then spotted itu, spotted cq, spotters itu, spotters cq
566 # you should be able to route on any of these
569 # fix up qra locators of known users
570 my $user = DXUser->get_current($spot[4]);
572 my $qra = $user->qra;
573 unless ($qra && is_qra($qra)) {
574 my $lat = $user->lat;
575 my $long = $user->long;
576 if (defined $lat && defined $long) {
577 $user->qra(DXBearing::lltoqra($lat, $long));
582 # send a remote command to a distant cluster if it is visible and there is no
583 # qra locator and we havn't done it for a month.
585 unless ($user->qra) {
587 my $to = $user->homenode;
588 my $last = $user->lastoper || 0;
589 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
590 my $cmd = "forward/opernam $spot[4]";
591 # send the rcmd but we aren't interested in the replies...
592 my $dxchan = $node->dxchan;
593 if ($dxchan && $dxchan->is_clx) {
594 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
596 route(undef, $to, pc34($main::mycall, $to, $cmd));
600 $node = Route::Node::get($to);
602 $dxchan = $node->dxchan;
603 if ($dxchan && $dxchan->is_clx) {
604 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
606 route(undef, $to, pc34($main::mycall, $to, $cmd));
610 $user->lastoper($main::systime);
619 $r = Local::spot($self, @spot);
621 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
624 # DON'T be silly and send on PC26s!
625 return if $pcno == 26;
627 # send out the filtered spots
628 send_dx_spot($self, $line, @spot) if @spot;
639 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
641 # announce duplicate checking
642 $_[3] =~ s/^\s+//; # remove leading blanks
646 if (@bad = BadWords::check($_[3])) {
647 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
652 # if this is a 'nodx' node then ignore it
653 if ($badnode->in($_[5])) {
654 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
658 # if this is a 'bad spotter' user then ignore it
660 $nossid =~ s/-\d+$//;
661 if ($badspotter->in($nossid)) {
662 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
669 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
670 $self->send_chat($line, @_[1..6]);
671 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
674 # RouteDB::update($_[5], $self->{call});
675 # RouteDB::update($_[1], $_[5]);
677 # ignore something that looks like a chat line coming in with sysop
678 # flag - this is a kludge...
679 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
680 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
684 # here's a bit of fun, convert incoming ann with a callsign in the first word
685 # or one saying 'to <call>' to a talk if we can route to the recipient
687 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
689 my $ref = Route::get($call);
691 $dxchan = $ref->dxchan;
692 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
699 $self->send_announce($line, @_[1..6]);
701 $self->route($_[2], $line);
716 my $newline = "PC16^";
718 # dos I want users from this channel?
719 unless ($self->user->wantpc16) {
720 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
724 if ($ncall eq $main::mycall) {
725 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
729 RouteDB::update($ncall, $self->{call});
731 # do we believe this call?
732 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
733 if (my $ivp = Investigate::get($ncall, $self->{call})) {
734 $ivp->store_pcxx($pcno,$line,$origin,@_);
736 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
741 if (eph_dup($line)) {
742 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
746 my $parent = Route::Node::get($ncall);
748 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
749 # fix it up in the routing tables and issue it forth before the PC16
751 my $nl = $pc19list{$ncall};
753 if ($nl && @_ > 3) { # 3 because of the hop count!
755 # this is a new (remembered) node, now attach it to me if it isn't in filtered
756 # and we haven't disallowed it
757 my $user = DXUser->get_current($ncall);
759 $user = DXUser->new($ncall);
761 $user->priv(1); # I have relented and defaulted nodes
763 $user->homenode($ncall);
767 my $wantpc19 = $user->wantroutepc19;
768 if ($wantpc19 || !defined $wantpc19) {
769 my $new = Route->new($ncall); # throw away
770 if ($self->in_filter_route($new)) {
773 $parent = Route::Node::get($_->[0]);
774 $dxchan = $parent->dxchan if $parent;
775 if ($dxchan && $dxchan ne $self) {
776 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
780 my $r = $parent->add($ncall, $_->[1], $_->[2]);
781 push @nrout, $r unless @nrout;
784 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
785 $user->lastin($main::systime) unless DXChannel::get($ncall);
788 # route the pc19 - this will cause 'stuttering PC19s' for a while
789 $self->route_pc19($origin, $line, @nrout) if @nrout ;
790 $parent = Route::Node::get($ncall);
792 dbg("PCPROT: lost $ncall after sending PC19 for it?");
798 delete $pc19list{$ncall};
801 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
806 $dxchan = $parent->dxchan;
807 if ($dxchan && $dxchan ne $self) {
808 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
812 # input filter if required
813 return unless $self->in_filter_route($parent);
818 for ($i = 2; $i < $#_; $i++) {
819 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
820 next unless $call && $conf && defined $here && is_callsign($call);
821 next if $call eq $main::mycall;
823 eph_del_regex("^PC17\\^$call\\^$ncall");
825 $conf = $conf eq '*';
827 # reject this if we think it is a node already
828 my $r = Route::Node::get($call);
829 my $u = DXUser->get_current($call) unless $r;
830 if ($r || ($u && $u->is_node)) {
831 dbg("PCPROT: $call is a node") if isdbg('chanerr');
835 $r = Route::User::get($call);
836 my $flags = Route::here($here)|Route::conf($conf);
839 my $au = $r->addparent($parent);
840 if ($r->flags != $flags) {
844 push @rout, $r if $au;
846 push @rout, $parent->add_user($call, $flags);
850 # add this station to the user database, if required
851 $call =~ s/-\d+$//o; # remove ssid for users
852 my $user = DXUser->get_current($call);
853 $user = DXUser->new($call) if !$user;
854 $user->homenode($parent->call) if !$user->homenode;
855 $user->node($parent->call);
856 $user->lastin($main::systime) unless DXChannel::get($call);
859 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
873 eph_del_regex("^PC16\\^$ncall.*$ucall");
875 # do I want users from this channel?
876 unless ($self->user->wantpc16) {
877 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
880 if ($ncall eq $main::mycall) {
881 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
885 RouteDB::delete($ncall, $self->{call});
887 # do we believe this call?
888 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
889 if (my $ivp = Investigate::get($ncall, $self->{call})) {
890 $ivp->store_pcxx($pcno,$line,$origin,@_);
892 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
897 my $uref = Route::User::get($ucall);
899 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
901 my $parent = Route::Node::get($ncall);
903 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
906 $dxchan = $parent->dxchan if $parent;
907 if ($dxchan && $dxchan ne $self) {
908 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
912 # input filter if required and then remove user if present
914 # return unless $self->in_filter_route($parent);
915 $parent->del_user($uref) if $uref;
917 $parent = Route->new($ncall); # throw away
920 if (eph_dup($line)) {
921 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
925 $uref = Route->new($ucall) unless $uref; # throw away
926 $self->route_pc17($origin, $line, $parent, $uref);
936 $self->state('init');
938 # record the type and version offered
939 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
940 $self->version(53 + $1);
941 $self->user->version(53 + $1);
942 $self->build(0 + $2);
943 $self->user->build(0 + $2);
944 unless ($self->is_spider) {
945 $self->user->sort('S');
950 $self->version(50.0);
951 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
952 $self->user->version($self->version);
955 # first clear out any nodes on this dxchannel
956 my $parent = Route::Node::get($self->{call});
957 my @rout = $parent->del_nodes;
958 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
959 $self->send_local_config();
963 # incoming cluster list
972 my $newline = "PC19^";
977 # first get the INTERFACE node
978 my $parent = Route::Node::get($self->{call});
980 dbg("DXPROT: my parent $self->{call} has disappeared");
985 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
986 if ($origin ne $self->call) {
987 my $op = Route::Node::get($origin);
989 $op = $parent->add($origin, 5000, Route::here(1));
990 my $user = DXUser->get_current($origin);
992 $user = DXUser->new($origin);
993 $user->priv(1); # I have relented and defaulted nodes
995 $user->homenode($origin);
996 $user->node($origin);
997 $user->wantroutepc19(1);
999 $user->sort('A') unless $user->is_node;
1006 for ($i = 1; $i < $#_-1; $i += 4) {
1008 my $call = uc $_[$i+1];
1009 my $conf = $_[$i+2];
1011 next unless defined $here && defined $conf && is_callsign($call);
1013 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1015 # check for sane parameters
1016 # $ver = 5000 if $ver eq '0000';
1017 next if $ver < 5000; # only works with version 5 software
1018 next if length $call < 3; # min 3 letter callsigns
1019 next if $call eq $main::mycall;
1021 # check that this PC19 isn't trying to alter the wrong dxchan
1022 my $dxchan = DXChannel::get($call);
1023 if ($dxchan && $dxchan != $self) {
1024 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1028 # add this station to the user database, if required (don't remove SSID from nodes)
1029 my $user = DXUser->get_current($call);
1031 $user = DXUser->new($call);
1032 $user->priv(1); # I have relented and defaulted nodes
1034 $user->homenode($call);
1037 $user->sort('A') unless $user->is_node;
1039 RouteDB::update($call, $self->{call});
1041 # do we believe this call?
1042 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1043 unless ($call eq $self->{call} || $self->is_believed($call)) {
1044 my $pt = $user->lastping($self->{call}) || 0;
1045 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1046 my $ivp = Investigate->new($call, $self->{call});
1047 $ivp->version($ver);
1049 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1051 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1057 if (eph_dup($genline)) {
1058 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1062 my $r = Route::Node::get($call);
1063 my $flags = Route::here($here)|Route::conf($conf);
1065 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1068 if ($call ne $parent->call) {
1069 if ($self->in_filter_route($r)) {
1070 $ar = $parent->add($call, $ver, $flags);
1071 push @rout, $ar if $ar;
1076 if ($r->version ne $ver || $r->flags != $flags) {
1079 push @rout, $r unless $ar;
1083 # if he is directly connected or allowed then add him, otherwise store him up for later
1084 if ($call eq $self->{call} || $user->wantroutepc19) {
1085 my $new = Route->new($call); # throw away
1086 if ($self->in_filter_route($new)) {
1087 my $ar = $parent->add($call, $ver, $flags);
1088 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1089 push @rout, $ar if $ar;
1094 $pc19list{$call} = [] unless exists $pc19list{$call};
1095 my $nl = $pc19list{$call};
1096 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1100 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1101 my $mref = DXMsg::get_busy($call);
1102 $mref->stop_msg($call) if $mref;
1104 $user->lastin($main::systime) unless DXChannel::get($call);
1109 $self->route_pc19($origin, $line, @rout) if @rout;
1112 # send local configuration
1119 $self->send_local_config();
1120 $self->send(pc22());
1121 $self->state('normal');
1122 $self->{lastping} = 0;
1125 # delete a cluster from the list
1132 my $call = uc $_[1];
1134 eph_del_regex("^PC1[679].*$call");
1136 # if I get a PC21 from the same callsign as self then treat it
1137 # as a PC39: I have gone away
1138 if ($call eq $self->call) {
1139 $self->disconnect(1);
1143 RouteDB::delete($call, $self->{call});
1145 # check if we believe this
1146 unless ($call eq $self->{call} || $self->is_believed($call)) {
1147 if (my $ivp = Investigate::get($call, $self->{call})) {
1148 $ivp->store_pcxx($pcno,$line,$origin,@_);
1150 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1155 # check to see if we are in the pc19list, if we are then don't bother with any of
1156 # this routing table manipulation, just remove it from the list and dump it
1158 if (my $nl = $pc19list{$call}) {
1159 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1160 delete $pc19list{$call} unless @{$pc19list{$call}};
1163 my $parent = Route::Node::get($self->{call});
1165 dbg("DXPROT: my parent $self->{call} has disappeared");
1169 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1170 my $node = Route::Node::get($call);
1173 my $dxchan = DXChannel::get($call);
1174 if ($dxchan && $dxchan != $self) {
1175 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1180 return unless $self->in_filter_route($node);
1183 push @rout, $node->del($parent);
1186 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1191 $self->route_pc21($origin, $line, @rout) if @rout;
1201 $self->state('normal');
1202 $self->{lastping} = 0;
1213 # route foreign' pc27s
1215 if ($_[8] ne $main::mycall) {
1216 $self->route($_[8], $line);
1221 # only do a rspf check on PC23 (not 27)
1223 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1227 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1228 my $sfi = unpad($_[3]);
1229 my $k = unpad($_[4]);
1230 my $i = unpad($_[5]);
1231 my ($r) = $_[6] =~ /R=(\d+)/;
1233 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1234 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1238 # global wwv filtering on INPUT
1239 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
1240 if ($self->{inwwvfilter}) {
1241 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
1243 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
1247 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1248 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
1249 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1253 # note this only takes the first one it gets
1254 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1258 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1260 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1263 # DON'T be silly and send on PC27s!
1264 return if $pcno == 27;
1266 # broadcast to the eager world
1267 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1277 my $call = uc $_[1];
1279 $nref = Route::Node::get($call);
1280 $uref = Route::User::get($call);
1281 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1283 if (eph_dup($line)) {
1284 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1288 $nref->here($_[2]) if $nref;
1289 $uref->here($_[2]) if $uref;
1290 my $ref = $nref || $uref;
1291 return unless $self->in_filter_route($ref);
1293 $self->route_pc24($origin, $line, $ref, $_[3]);
1303 if ($_[1] ne $main::mycall) {
1304 $self->route($_[1], $line);
1307 if ($_[2] eq $main::mycall) {
1308 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1312 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1316 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1319 $self->send(pc26(@{$in}[0..4], $_[2]));
1325 my @in = reverse Geomag::search(0, $_[4], time, 1);
1328 $self->send(pc27(@{$in}[0..5], $_[2]));
1333 sub handle_26 {goto &handle_11}
1334 sub handle_27 {goto &handle_23}
1336 # mail/file handling
1343 if ($_[1] eq $main::mycall) {
1345 my $sub = "DXMsg::handle_$pcno";
1348 $self->route($_[1], $line) unless $self->is_clx;
1352 sub handle_29 {goto &handle_28}
1353 sub handle_30 {goto &handle_28}
1354 sub handle_31 {goto &handle_28}
1355 sub handle_32 {goto &handle_28}
1356 sub handle_33 {goto &handle_28}
1364 if (eph_dup($line, $eph_pc34_restime)) {
1365 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1367 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1371 # remote command replies
1378 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1379 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1382 sub handle_36 {goto &handle_34}
1391 if ($_[1] eq $main::mycall) {
1393 my $sub = "DXDb::handle_$pcno";
1396 $self->route($_[1], $line) unless $self->is_clx;
1400 # node connected list from neighbour
1409 # incoming disconnect
1416 if ($_[1] eq $self->{call}) {
1417 $self->disconnect(1);
1419 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1423 sub handle_40 {goto &handle_28}
1435 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1436 if (eph_dup($l, $eph_info_restime)) {
1437 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1441 # input filter if required
1442 # my $ref = Route::get($call) || Route->new($call);
1443 # return unless $self->in_filter_route($ref);
1445 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1446 dbg('PCPROT: invalid value') if isdbg('chanerr');
1450 # add this station to the user database, if required
1451 my $user = DXUser->get_current($call);
1452 $user = DXUser->new($call) unless $user;
1456 } elsif ($_[2] == 2) {
1458 } elsif ($_[2] == 3) {
1459 if (is_latlong($_[3])) {
1460 my ($lat, $long) = DXBearing::stoll($_[3]);
1463 $user->qra(DXBearing::lltoqra($lat, $long));
1465 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1468 } elsif ($_[2] == 4) {
1469 $user->homenode($_[3]);
1470 } elsif ($_[2] == 5) {
1471 if (is_qra(uc $_[3])) {
1472 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1475 $user->qra(uc $_[3]);
1477 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1481 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1484 unless ($self->{isolate}) {
1485 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1488 # perhaps this IS what we want after all
1489 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1492 sub handle_42 {goto &handle_28}
1496 sub handle_44 {goto &handle_37}
1497 sub handle_45 {goto &handle_37}
1498 sub handle_46 {goto &handle_37}
1499 sub handle_47 {goto &handle_37}
1500 sub handle_48 {goto &handle_37}
1502 # message and database
1510 if (eph_dup($line)) {
1511 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1515 if ($_[1] eq $main::mycall) {
1516 DXMsg::handle_49($self, @_);
1518 $self->route($_[1], $line) unless $self->is_clx;
1522 # keep alive/user list
1532 RouteDB::update($call, $self->{call});
1534 my $node = Route::Node::get($call);
1536 return unless $node->call eq $self->{call};
1537 $node->usercount($_[2]);
1539 # input filter if required
1540 return unless $self->in_filter_route($node);
1542 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1546 # incoming ping requests/answers
1559 if ($to eq $main::mycall) {
1561 $self->send(pc51($from, $to, '0'));
1563 # it's a reply, look in the ping list for this one
1564 my $ref = $pings{$from};
1566 my $tochan = DXChannel::get($from);
1568 my $r = shift @$ref;
1569 my $dxchan = DXChannel::get($r->{call});
1570 next unless $dxchan;
1571 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1572 if ($dxchan->is_user) {
1573 my $s = sprintf "%.2f", $t;
1574 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1575 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1576 } elsif ($dxchan->is_node) {
1578 my $nopings = $tochan->user->nopings || $obscount;
1579 push @{$tochan->{pingtime}}, $t;
1580 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1582 # cope with a missed ping, this means you must set the pingint large enough
1583 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1584 $t -= $tochan->{pingint};
1587 # calc smoothed RTT a la TCP
1588 if (@{$tochan->{pingtime}} == 1) {
1589 $tochan->{pingave} = $t;
1591 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1593 $tochan->{nopings} = $nopings; # pump up the timer
1594 if (my $ivp = Investigate::get($from, $self->{call})) {
1597 } elsif (my $rref = Route::Node::get($r->{call})) {
1598 if (my $ivp = Investigate::get($from, $self->{call})) {
1608 RouteDB::update($from, $self->{call});
1610 if (eph_dup($line)) {
1611 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1614 # route down an appropriate thingy
1615 $self->route($to, $line);
1619 # dunno but route it
1627 if ($call ne $main::mycall) {
1628 $self->route($call, $line);
1642 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1643 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1644 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1647 @_ = map { unpad($_) } @_;
1649 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1653 my $wcy = WCY::update($d, @_[2..12]);
1657 $rep = Local::wcy($self, @_[1..12]);
1659 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1662 # broadcast to the eager world
1663 send_wcy_spot($self, $line, $d, @_[2..12]);
1666 # remote commands (incoming)
1673 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1676 # remote command replies
1683 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1686 # if get here then rebroadcast the thing with its Hop count decremented (if
1687 # there is one). If it has a hop count and it decrements to zero then don't
1690 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1701 if (eph_dup($line)) {
1702 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1704 unless ($self->{isolate}) {
1705 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1711 # This is called from inside the main cluster processing loop and is used
1712 # for despatching commands that are doing some long processing job
1717 my @dxchan = DXChannel::get_all();
1721 # send out a pc50 on EVERY channel all at once
1722 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1723 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1728 foreach $dxchan (@dxchan) {
1729 next unless $dxchan->is_node();
1730 next if $dxchan == $main::me;
1733 $dxchan->send($pc50s) if $pc50s;
1735 # send a ping out on this channel
1736 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1737 if ($dxchan->{nopings} <= 0) {
1738 $dxchan->disconnect;
1740 addping($main::mycall, $dxchan->call);
1741 $dxchan->{nopings} -= 1;
1742 $dxchan->{lastping} = $t;
1747 Investigate::process();
1750 if ($t - $last10 >= 10) {
1751 # clean out ephemera
1760 if ($main::systime - 3600 > $last_hour) {
1761 $last_hour = $main::systime;
1766 # finish up a pc context
1770 # some active measures
1778 my @dxchan = DXChannel::get_all();
1781 # send it if it isn't the except list and isn't isolated and still has a hop count
1782 # taking into account filtering and so on
1783 foreach $dxchan (@dxchan) {
1784 next if $dxchan == $main::me;
1785 next if $dxchan == $self && $self->is_node;
1786 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1794 my $isolate = shift;
1795 my ($filter, $hops);
1797 if ($self->{spotsfilter}) {
1798 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1799 return unless $filter;
1801 send_prot_line($self, $filter, $hops, $isolate, $line);
1806 my ($self, $filter, $hops, $isolate, $line) = @_;
1812 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1814 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1815 return unless $routeit;
1818 $self->send($routeit);
1820 $self->send($routeit) unless $self->{isolate} || $isolate;
1829 my @dxchan = DXChannel::get_all();
1831 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1833 # send it if it isn't the except list and isn't isolated and still has a hop count
1834 # taking into account filtering and so on
1835 foreach $dxchan (@dxchan) {
1836 next if $dxchan == $main::me;
1837 next if $dxchan == $self && $self->is_node;
1839 my ($filter, $hops);
1841 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1849 my $isolate = shift;
1850 my ($filter, $hops);
1852 if ($self->{wwvfilter}) {
1853 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
1854 return unless $filter;
1856 send_prot_line($self, $filter, $hops, $isolate, $line)
1863 my @dxchan = DXChannel::get_all();
1865 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1867 # send it if it isn't the except list and isn't isolated and still has a hop count
1868 # taking into account filtering and so on
1869 foreach $dxchan (@dxchan) {
1870 next if $dxchan == $main::me;
1871 next if $dxchan == $self;
1873 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1881 my $isolate = shift;
1882 my ($filter, $hops);
1884 if ($self->{wcyfilter}) {
1885 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1886 return unless $filter;
1888 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1896 my @dxchan = DXChannel::get_all();
1900 my $text = unpad($_[2]);
1902 if ($_[3] eq '*') { # sysops
1904 } elsif ($_[3] gt ' ') { # speciality list handling
1905 my ($name) = split /\./, $_[3];
1906 $target = "$name"; # put the rest in later (if bothered)
1913 $target = "ALL" if !$target;
1916 # obtain country codes etc
1917 my @a = Prefix::cty_data($_[0]);
1918 my @b = Prefix::cty_data($_[4]);
1919 if ($self->{inannfilter}) {
1920 my ($filter, $hops) =
1921 $self->{inannfilter}->it(@_, $self->{call},
1923 @b[0..2], $a[3], $b[3]);
1925 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1930 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1931 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1935 Log('ann', $target, $_[0], $text);
1937 # send it if it isn't the except list and isn't isolated and still has a hop count
1938 # taking into account filtering and so on
1939 foreach $dxchan (@dxchan) {
1940 next if $dxchan == $main::me;
1941 next if $dxchan == $self && $self->is_node;
1942 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1943 @a[0..2], @b[0..2]);
1952 $msgid = 1 if $msgid > 999;
1961 my @dxchan = DXChannel::get_all();
1964 my $text = unpad($_[2]);
1967 # munge the group and recast the line if required
1968 if ($target =~ s/\.LST$//) {
1972 # obtain country codes etc
1973 my @a = Prefix::cty_data($_[0]);
1974 my @b = Prefix::cty_data($_[4]);
1975 if ($self->{inannfilter}) {
1976 my ($filter, $hops) =
1977 $self->{inannfilter}->it(@_, $self->{call},
1979 @b[0..2], $a[3], $b[3]);
1981 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1986 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1987 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1992 Log('chat', $target, $_[0], $text);
1994 # send it if it isn't the except list and isn't isolated and still has a hop count
1995 # taking into account filtering and so on
1996 foreach $dxchan (@dxchan) {
1997 my $is_ak1a = $dxchan->is_ak1a;
1999 if ($dxchan->is_node) {
2000 next if $dxchan == $main::me;
2001 next if $dxchan == $self;
2002 next unless $dxchan->is_spider || $is_ak1a;
2003 next if $target eq 'LOCAL';
2004 if (!$ak1a_line && $is_ak1a) {
2005 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
2009 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
2010 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
2018 my $isolate = shift;
2022 my ($filter, $hops);
2024 if ($self->{annfilter}) {
2025 ($filter, $hops) = $self->{annfilter}->it(@_);
2026 return unless $filter;
2028 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2037 sub send_local_config
2045 dbg('DXProt::send_local_config') if isdbg('trace');
2048 if ($self->{isolate}) {
2049 @localnodes = ( $main::routeroot );
2050 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2052 # create a list of all the nodes that are not connected to this connection
2053 # and are not themselves isolated, this to make sure that isolated nodes
2054 # don't appear outside of this node
2056 # send locally connected nodes
2057 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2058 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2059 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2062 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2064 for $node (@rawintcalls) {
2065 push @intcalls, $node unless grep $node eq $_, @intcalls;
2067 my $ref = Route::Node::get($self->{call});
2068 my @rnodes = $ref->nodes;
2069 for $node (@intcalls) {
2070 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2072 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2075 # get all the users connected on the above nodes and send them out
2076 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2078 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2079 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2081 dbg("sent a null value") if isdbg('chanerr');
2087 # route a message down an appropriate interface for a callsign
2089 # is called route(to, pcline);
2094 my ($self, $call, $line) = @_;
2096 if (ref $self && $call eq $self->{call}) {
2097 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2101 # always send it down the local interface if available
2102 my $dxchan = DXChannel::get($call);
2104 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2106 my $cl = Route::get($call);
2107 $dxchan = $cl->dxchan if $cl;
2109 if (ref $self && $dxchan eq $self) {
2110 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2113 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2117 # try the backstop method
2119 my $rcall = RouteDB::get($call);
2121 if ($self && $rcall eq $self->{call}) {
2122 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2125 $dxchan = DXChannel::get($rcall);
2126 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2131 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2133 $dxchan->send($routeit) unless $dxchan == $main::me;
2136 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2141 # obtain the hops from the list for this callsign and pc no
2147 my $hops = $DXProt::hopcount{$pcno};
2148 $hops = $DXProt::def_hopcount if !$hops;
2153 # adjust the hop count on a per node basis using the user loadable
2154 # hop table if available or else decrement an existing one
2161 my $call = $self->{call};
2164 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2165 my ($pcno) = $s =~ /^PC(\d\d)/o;
2166 confess "$call called adjust_hops with '$s'" unless $pcno;
2167 my $ref = $nodehops{$call} if %nodehops;
2169 my $newhops = $ref->{$pcno};
2170 return "" if defined $newhops && $newhops == 0;
2171 $newhops = $ref->{default} unless $newhops;
2172 return "" if defined $newhops && $newhops == 0;
2173 $newhops = $hops if !$newhops;
2174 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2176 # simply decrement it
2178 return "" if !$hops;
2179 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2191 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2192 do "$main::data/hop_table.pl";
2198 # add a ping request to the ping queues
2201 my ($from, $to, $via) = @_;
2202 my $ref = $pings{$to} || [];
2205 $r->{t} = [ gettimeofday ];
2206 if ($via && (my $dxchan = DXChannel::get($via))) {
2207 $dxchan->send(pc51($to, $main::mycall, 1));
2209 route(undef, $to, pc51($to, $main::mycall, 1));
2213 my $u = DXUser->get_current($to);
2215 $u->lastping(($via || $from), $main::systime);
2222 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2223 if ($tonode eq $main::mycall) {
2224 my $ref = DXUser->get_current($fromnode);
2225 my $cref = Route::Node::get($fromnode);
2226 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2227 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2228 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2229 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2230 my $oldpriv = $self->{priv};
2231 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2232 my @in = (DXCommandmode::run_cmd($self, $cmd));
2233 $self->{priv} = $oldpriv;
2234 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2235 delete $self->{remotecmd};
2237 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2240 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2243 my $ref = DXUser->get_current($tonode);
2244 if ($ref && $ref->is_clx) {
2245 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2247 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2252 sub process_rcmd_reply
2254 my ($self, $tonode, $fromnode, $user, $line) = @_;
2255 if ($tonode eq $main::mycall) {
2256 my $s = $rcmds{$fromnode};
2258 my $dxchan = DXChannel::get($s->{call});
2259 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2260 $ref->send($line) if $ref;
2261 delete $rcmds{$fromnode} if !$dxchan;
2263 # send unsolicited ones to the sysop
2264 my $dxchan = DXChannel::get($main::myalias);
2265 $dxchan->send($line) if $dxchan;
2268 my $ref = DXUser->get_current($tonode);
2269 if ($ref && $ref->is_clx) {
2270 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2272 $self->route($tonode, pc35($fromnode, $tonode, $line));
2281 my $fromnode = shift;
2286 Log('rcmd', 'out', $fromnode, $line);
2287 if ($self->is_clx) {
2288 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2290 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2295 # add a rcmd request to the rcmd queues
2298 my ($self, $to, $cmd) = @_;
2301 $r->{call} = $self->{call};
2302 $r->{t} = $main::systime;
2306 my $ref = Route::Node::get($to);
2307 my $dxchan = $ref->dxchan;
2308 if ($dxchan && $dxchan->is_clx) {
2309 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2311 route(undef, $to, pc34($main::mycall, $to, $cmd));
2318 my $pc39flag = shift;
2319 my $call = $self->call;
2321 return if $self->{disconnecting}++;
2323 unless ($pc39flag && $pc39flag == 1) {
2324 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2327 # get rid of any PC16/17/19
2328 eph_del_regex("^PC1[679]*$call");
2330 # do routing stuff, remove me from routing table
2331 my $node = Route::Node::get($call);
2334 @rout = $node->del($main::routeroot);
2336 # and all my ephemera as well
2339 eph_del_regex("^PC1[679].*$c");
2343 RouteDB::delete_interface($call);
2345 # remove them from the pc19list as well
2346 while (my ($k,$v) = each %pc19list) {
2347 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2349 $pc19list{$k} = \@l;
2351 delete $pc19list{$k};
2355 eph_del_regex("^PC1[679].*$k");
2358 # unbusy and stop and outgoing mail
2359 my $mref = DXMsg::get_busy($call);
2360 $mref->stop_msg($call) if $mref;
2362 # broadcast to all other nodes that all the nodes connected to via me are gone
2363 unless ($pc39flag && $pc39flag == 2) {
2364 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2367 # remove outstanding pings
2368 delete $pings{$call};
2370 # I was the last node visited
2371 $self->user->node($main::mycall);
2373 # send info to all logged in thingies
2374 $self->tell_login('logoutn');
2376 Log('DXProt', $call . " Disconnected");
2378 $self->SUPER::disconnect;
2383 # send a talk message to this thingy
2387 my ($self, $from, $to, $via, $line, $origin) = @_;
2389 $line =~ s/\^/\\5E/g; # remove any ^ characters
2390 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2391 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2394 # send it if it isn't the except list and isn't isolated and still has a hop count
2395 # taking into account filtering and so on
2401 my $generate = shift;
2402 my $no = shift; # the no of things to filter on
2404 my ($filter, $hops);
2407 for (; @_ && $no; $no--) {
2410 if (!$self->{isolate} && $self->{routefilter}) {
2413 ($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});
2417 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2420 dbg("was sent a null value") if isdbg('chanerr');
2423 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2427 foreach my $line (&$generate(@rin, @_)) {
2430 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2432 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2433 next unless $routeit;
2436 $self->send($routeit);
2445 my $generate = shift;
2447 my @dxchan = DXChannel::get_all_nodes();
2450 unless ($self->{isolate}) {
2451 foreach $dxchan (@dxchan) {
2452 next if $dxchan == $self;
2453 next if $dxchan == $main::me;
2454 next unless $dxchan->isa('DXProt');
2455 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2457 $dxchan->send_route($origin, $generate, @_);
2465 return unless $self->user->wantpc16;
2468 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2474 return unless $self->user->wantpc16;
2477 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2485 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2493 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2501 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2509 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2517 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2524 my ($filter, $hops) = (1, 1);
2526 if ($self->{inroutefilter}) {
2527 ($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);
2528 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2536 my $t = shift || $eph_restime;
2540 $s =~ s/\^H\d\d?\^?\~?$//;
2541 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2542 $eph{$s} = $main::systime + $t;
2543 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2551 while (($key, $val) = each %eph) {
2552 if ($key =~ m{$regex}) {
2562 while (($key, $val) = each %eph) {
2563 if ($main::systime >= $val) {
2574 while (($key, $val) = each %eph) {
2575 push @out, $key, $val;
2582 goto &DXCommandmode::run_cmd;
2586 # import any msgs in the chat directory
2587 # the messages are sent to the chat group which forms the
2588 # the first part of the name (eg: solar.1243.txt would be
2589 # sent to chat group SOLAR)
2591 # Each message found is sent: one non-blank line to one chat
2592 # message. So 4 lines = 4 chat messages.
2594 # The special name LOCAL is for local users ANN
2595 # The special name ALL is for ANN/FULL
2596 # The special name SYSOP is for ANN/SYSOP
2600 # are there any to do in this directory?
2601 return unless -d $chatimportfn;
2602 unless (opendir(DIR, $chatimportfn)) {
2603 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2604 Log('msg', "can\'t open $chatimportfn $!");
2608 my @names = readdir(DIR);
2611 foreach $name (@names) {
2612 next if $name =~ /^\./;
2613 my $splitit = $name =~ /^split/;
2614 my $fn = "$chatimportfn/$name";
2616 unless (open(MSG, $fn)) {
2617 dbg("can\'t open import file $fn $!") if isdbg('msg');
2618 Log('msg', "can\'t open import file $fn $!");
2622 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2626 my @cat = split /\./, $name;
2627 my $target = uc $cat[0];
2629 foreach my $text (@msg) {
2630 next unless $text && $text !~ /^\s*#/;
2631 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2632 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2633 if ($target ne 'LOCAL') {
2634 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2636 Log('ann', 'LOCAL', $main::mycall, $text);
2637 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2640 my $msgid = nextchatmsgid();
2641 $text = "#$msgid $text";
2642 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');