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);
39 use vars qw($VERSION $BRANCH);
40 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
41 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
42 $main::build += $VERSION;
43 $main::branch += $BRANCH;
45 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
46 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
47 $pingint $obscount %pc19list $chatdupeage
48 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
49 $allowzero $decode_dk0wcy $send_opernam @checklist);
51 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
52 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
54 $last_hour = time; # last time I did an hourly periodic update
55 %pings = (); # outstanding ping requests outbound
56 %rcmds = (); # outstanding rcmd requests outbound
57 %nodehops = (); # node specific hop control
58 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
60 $censorpc = 1; # Do a BadWords::check on text fields and reject things
61 # loads of 'bad things'
62 $baddx = new DXHash "baddx";
63 $badspotter = new DXHash "badspotter";
64 $badnode = new DXHash "badnode";
65 $last10 = $last_pc50 = time;
69 $eph_info_restime = 60*60;
70 $eph_pc34_restime = 30;
73 $chatdupeage = 20 * 60 * 60;
77 [ qw(i c c m bp bc c) ], # pc10
78 [ qw(i f m d t m c c h) ], # pc11
79 [ qw(i c bm m bm bm p h) ], # pc12
83 undef , # pc16 has to be validated manually
84 [ qw(i c c h) ], # pc17
86 undef , # pc19 has to be validated manually
87 undef , # pc20 no validation
88 [ qw(i c m h) ], # pc21
89 undef , # pc22 no validation
90 [ qw(i d n n n n m c c h) ], # pc23
91 [ qw(i c p h) ], # pc24
92 [ qw(i c c n n) ], # pc25
93 [ qw(i f m d t m c c bc) ], # pc26
94 [ qw(i d n n n n m c c bc) ], # pc27
95 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
96 [ qw(i c c n m) ], # pc29
97 [ qw(i c c n) ], # pc30
98 [ qw(i c c n) ], # pc31
99 [ qw(i c c n) ], # pc32
100 [ qw(i c c n) ], # pc33
101 [ qw(i c c m) ], # pc34
102 [ qw(i c c m) ], # pc35
103 [ qw(i c c m) ], # pc36
104 [ qw(i c c n m) ], # pc37
105 undef, # pc38 not interested
106 [ qw(i c m) ], # pc39
107 [ qw(i c c m p n) ], # pc40
108 [ qw(i c n m h) ], # pc41
109 [ qw(i c c n) ], # pc42
110 undef, # pc43 don't handle it
111 [ qw(i c c n m m c) ], # pc44
112 [ qw(i c c n m) ], # pc45
113 [ qw(i c c n) ], # pc46
116 [ qw(i c m h) ], # pc49
117 [ qw(i c n h) ], # pc50
118 [ qw(i c c n) ], # pc51
140 [ qw(i d n n n n n n m m m c c h) ], # pc73
151 [ qw(i c c c m) ], # pc84
152 [ qw(i c c c m) ], # pc85
157 [ qw(i c n) ], # pc90
160 # use the entry in the check list to check the field list presented
161 # return OK if line NOT in check list (for now)
166 return 0 if $n < 0 || $n > @checklist;
167 my $ref = $checklist[$n];
168 return 0 unless ref $ref;
171 for ($i = 1; $i < @$ref; $i++) {
172 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
173 return 0 unless $act;
174 next if $blank && $_[$i] =~ /^[ \*]$/;
176 return $i unless is_callsign($_[$i]);
177 } elsif ($act eq 'i') {
179 } elsif ($act eq 'm') {
180 return $i unless is_pctext($_[$i]);
181 } elsif ($act eq 'p') {
182 return $i unless is_pcflag($_[$i]);
183 } elsif ($act eq 'f') {
184 return $i unless is_freq($_[$i]);
185 } elsif ($act eq 'n') {
186 return $i unless $_[$i] =~ /^[\d ]+$/;
187 } elsif ($act eq 'h') {
188 return $i unless $_[$i] =~ /^H\d\d?$/;
189 } elsif ($act eq 'd') {
190 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
191 } elsif ($act eq 't') {
192 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
200 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
205 # obtain a new connection this is derived from dxchannel
210 my $self = DXChannel::alloc(@_);
212 # add this node to the table, the values get filled in later
215 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
220 # this is how a pc connection starts (for an incoming connection)
221 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
222 # all the crap that comes between).
225 my ($self, $line, $sort) = @_;
226 my $call = $self->{call};
227 my $user = $self->{user};
230 my $host = $self->{conn}->{peerhost} || "unknown";
231 Log('DXProt', "$call connected from $host");
233 # remember type of connection
234 $self->{consort} = $line;
235 $self->{outbound} = $sort eq 'O';
236 my $priv = $user->priv;
237 $priv = $user->priv(1) unless $priv;
238 $self->{priv} = $priv; # other clusters can always be 'normal' users
239 $self->{lang} = $user->lang || 'en';
240 $self->{isolate} = $user->{isolate};
241 $self->{consort} = $line; # save the connection type
245 # sort out registration
246 $self->{registered} = 1;
248 # get the output filters
249 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
250 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
251 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
252 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
253 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
256 # get the INPUT filters (these only pertain to Clusters)
257 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
258 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
259 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
260 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
261 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
263 # set unbuffered and no echo
264 $self->send_now('B',"0");
265 $self->send_now('E',"0");
266 $self->conn->echo(0) if $self->conn->can('echo');
268 # ping neighbour node stuff
269 my $ping = $user->pingint;
270 $ping = $pingint unless defined $ping;
271 $self->{pingint} = $ping;
272 $self->{nopings} = $user->nopings || $obscount;
273 $self->{pingtime} = [ ];
274 $self->{pingave} = 999;
275 $self->{metric} ||= 100;
276 $self->{lastping} = $main::systime;
278 # send initialisation string
279 unless ($self->{outbound}) {
283 $self->state('init');
284 $self->{pc50_t} = $main::systime;
286 # send info to all logged in thingies
287 $self->tell_login('loginn');
289 # run a script send the output to the debug file
290 my $script = new Script(lc $call) || new Script('node_default');
291 $script->run($self) if $script;
295 # send outgoing 'challenge'
306 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
311 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
319 if ($self->user->wantpc90) {
320 $line = mungepc90($line);
325 $self->SUPER::send($line);
333 $pc90msgid = 0 if $pc90msgid > 9999;
339 unless ($_[0] =~ /^PC9\d/) {
341 return "PC90^$main::mycall^$id^" . $_[0];
348 unless ($_[1] =~ /^PC9\d/) {
350 return "PC91^$main::mycall^$id^$_[0]^" . $_[1];
356 # This is the normal pcxx despatcher
360 my ($self, $line) = @_;
361 my @field = split /\^/, $line;
362 return unless @field;
364 pop @field if $field[-1] eq '~';
366 # print join(',', @field), "\n";
369 # process PC frames, this will fail unless the frame starts PCnn
370 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
371 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
372 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
376 # check for and dump bad protocol messages
377 my $n = check($pcno, @field);
379 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
383 # handle PC90 frames in a special way.
385 # PC90 frames are normal frames that that are wrapped in inside a PC90
386 # The extra fields are "originating node" and a sequence number.
387 # The sequence number is checked against the nodes 'last one' to see if
388 # it is a duplicate and, if so, is dropped at this stage; before any
391 # This is done here simply for efficiency. Adding another function would
392 # add more copying and so on.
395 my $origin = $self->{call};
399 if ($origin eq $main::mycall) {
400 dbg("PCPROT: loop dupe") if isdbg('chanerr');
403 $self->user->wantpc90(1) unless $self->user->wantpc90 || $origin ne $self->{call};
405 my $node = Route::Node::get($origin);
407 if (my $lid = $node->lid) {
408 my $cmp = $seq >= $lid ? $seq : $seq + 9999;
410 dbg("PCPROT: sequence dupe $seq ($cmp) <= $lid") if isdbg('chanerr');
417 # do a recheck on the contents of the PC90
422 $origin = shift @field if $pcno == 91;
424 ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
425 unless (defined $pcno && $pcno >= 10 && $pcno <= 89) {
426 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
430 # check for and dump bad protocol messages
431 my $n = check($pcno, @field);
433 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
438 if ($pcno == 16 || $pcno == 17 || $pcno == 19 || $pcno == 21) {
439 $line = mungepc91($origin, $line);
441 $line = mungepc90($line);
446 my $sub = "handle_$pcno";
448 if ($self->can($sub)) {
449 $self->$sub($pcno, $line, $origin, @field);
451 $self->handle_default($pcno, $line, $origin, @field);
455 # incoming talk commands
464 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
466 # will we allow it at all?
469 if (@bad = BadWords::check($_[3])) {
470 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
475 # is it for me or one of mine?
476 my ($from, $to, $via, $call, $dxchan);
485 # if this is a 'nodx' node then ignore it
486 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
487 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
491 # if this is a 'bad spotter' user then ignore it
493 $nossid =~ s/-\d+$//;
494 if ($badspotter->in($nossid)) {
495 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
499 # if we are converting announces to talk is it a dup?
501 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
502 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
507 # it is here and logged on
508 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
509 $dxchan = DXChannel->get($to) unless $dxchan;
510 if ($dxchan && $dxchan->is_user) {
512 $dxchan->talk($from, $to, $via, $_[3]);
516 # is it elsewhere, visible on the cluster via the to address?
517 # note: this discards the via unless the to address is on
520 if ($ref = Route::get($to)) {
521 $vref = Route::Node::get($via) if $via;
522 $vref = undef unless $vref && grep $to eq $_, $vref->users;
523 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
527 # not visible here, send a message of condolence
529 $ref = Route::get($from);
530 $vref = $ref = Route::Node::get($_[6]) unless $ref;
532 $dxchan = $ref->dxchan;
533 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
545 # route 'foreign' pc26s
547 if ($_[7] ne $main::mycall) {
548 $self->route($_[7], $line);
554 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
556 # if this is a 'nodx' node then ignore it
557 if ($badnode->in($_[7])) {
558 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
562 # if this is a 'bad spotter' user then ignore it
564 $nossid =~ s/-\d+$//;
565 if ($badspotter->in($nossid)) {
566 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
570 # convert the date to a unix date
571 my $d = cltounix($_[3], $_[4]);
572 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
573 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
574 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
579 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
580 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
585 $_[5] =~ s/^\s+//; # take any leading blanks off
586 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
587 if ($_[2] =~ /BUST\w*$/) {
588 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
593 if (@bad = BadWords::check($_[5])) {
594 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
600 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
601 # global spot filtering on INPUT
602 if ($self->{inspotsfilter}) {
603 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
605 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
610 # this goes after the input filtering, but before the add
611 # so that if it is input filtered, it isn't added to the dup
612 # list. This allows it to come in from a "legitimate" source
613 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
614 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
622 # @spot at this point contains:-
623 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
624 # then spotted itu, spotted cq, spotters itu, spotters cq
625 # you should be able to route on any of these
628 # fix up qra locators of known users
629 my $user = DXUser->get_current($spot[4]);
631 my $qra = $user->qra;
632 unless ($qra && is_qra($qra)) {
633 my $lat = $user->lat;
634 my $long = $user->long;
635 if (defined $lat && defined $long) {
636 $user->qra(DXBearing::lltoqra($lat, $long));
641 # send a remote command to a distant cluster if it is visible and there is no
642 # qra locator and we havn't done it for a month.
644 unless ($user->qra) {
646 my $to = $user->homenode;
647 my $last = $user->lastoper || 0;
648 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
649 my $cmd = "forward/opernam $spot[4]";
650 # send the rcmd but we aren't interested in the replies...
651 my $dxchan = $node->dxchan;
652 if ($dxchan && $dxchan->is_clx) {
653 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
655 route(undef, $to, pc34($main::mycall, $to, $cmd));
659 $node = Route::Node::get($to);
661 $dxchan = $node->dxchan;
662 if ($dxchan && $dxchan->is_clx) {
663 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
665 route(undef, $to, pc34($main::mycall, $to, $cmd));
669 $user->lastoper($main::systime);
678 $r = Local::spot($self, @spot);
680 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
683 # DON'T be silly and send on PC26s!
684 return if $pcno == 26;
686 # send out the filtered spots
687 send_dx_spot($self, $line, @spot) if @spot;
698 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
700 # announce duplicate checking
701 $_[3] =~ s/^\s+//; # remove leading blanks
705 if (@bad = BadWords::check($_[3])) {
706 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
711 # if this is a 'nodx' node then ignore it
712 if ($badnode->in($_[5])) {
713 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
717 # if this is a 'bad spotter' user then ignore it
719 $nossid =~ s/-\d+$//;
720 if ($badspotter->in($nossid)) {
721 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
727 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
728 $self->send_chat($line, @_[1..6]);
729 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
731 # ignore something that looks like a chat line coming in with sysop
732 # flag - this is a kludge...
733 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
734 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
738 # here's a bit of fun, convert incoming ann with a callsign in the first word
739 # or one saying 'to <call>' to a talk if we can route to the recipient
741 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
743 my $ref = Route::get($call);
745 $dxchan = $ref->dxchan;
746 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
753 $self->send_announce($line, @_[1..6]);
755 $self->route($_[2], $line);
767 if (eph_dup($line)) {
768 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
775 my $newline = "PC16^";
777 # do I want users from this channel?
778 unless ($self->user->wantpc16) {
779 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
783 if ($ncall eq $main::mycall) {
784 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
787 my $parent = Route::Node::get($ncall);
789 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
790 # fix it up in the routing tables and issue it forth before the PC16
792 my $nl = $pc19list{$ncall};
794 if ($nl && @_ > 3) { # 3 because of the hop count!
796 # this is a new (remembered) node, now attach it to me if it isn't in filtered
797 # and we haven't disallowed it
798 my $user = DXUser->get_current($ncall);
800 $user = DXUser->new($ncall);
802 $user->priv(1); # I have relented and defaulted nodes
804 $user->homenode($ncall);
808 my $wantpc19 = $user->wantroutepc19;
809 if ($wantpc19 || !defined $wantpc19) {
810 my $new = Route->new($ncall); # throw away
811 if ($self->in_filter_route($new)) {
814 $parent = Route::Node::get($_->[0]);
815 $dxchan = $parent->dxchan if $parent;
816 if ($dxchan && $dxchan ne $self) {
817 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
821 my $r = $parent->add($ncall, $_->[1], $_->[2]);
822 push @nrout, $r unless @nrout;
825 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
826 $user->lastin($main::systime) unless DXChannel->get($ncall);
829 # route the pc19 - this will cause 'stuttering PC19s' for a while
830 $self->route_pc19($origin, $line, @nrout) if @nrout ;
831 $parent = Route::Node::get($ncall);
833 dbg("PCPROT: lost $ncall after sending PC19 for it?");
839 delete $pc19list{$ncall};
842 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
847 $dxchan = $parent->dxchan;
848 if ($dxchan && $dxchan ne $self) {
849 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
853 # input filter if required
854 return unless $self->in_filter_route($parent);
859 for ($i = 2; $i < $#_; $i++) {
860 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
861 next unless $call && $conf && defined $here && is_callsign($call);
862 next if $call eq $main::mycall;
864 eph_del_regex("^PC17\\^$call\\^$ncall");
866 $conf = $conf eq '*';
868 # reject this if we think it is a node already
869 my $r = Route::Node::get($call);
870 my $u = DXUser->get_current($call) unless $r;
871 if ($r || ($u && $u->is_node)) {
872 dbg("PCPROT: $call is a node") if isdbg('chanerr');
876 $r = Route::User::get($call);
877 my $flags = Route::here($here)|Route::conf($conf);
880 my $au = $r->addparent($parent);
881 if ($r->flags != $flags) {
885 push @rout, $r if $au;
887 push @rout, $parent->add_user($call, $flags);
891 # add this station to the user database, if required
892 $call =~ s/-\d+$//o; # remove ssid for users
893 my $user = DXUser->get_current($call);
894 $user = DXUser->new($call) if !$user;
895 $user->homenode($parent->call) if !$user->homenode;
896 $user->node($parent->call);
897 $user->lastin($main::systime) unless DXChannel->get($call);
900 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
914 eph_del_regex("^PC16\\^$ncall.*$ucall");
916 # do I want users from this channel?
917 unless ($self->user->wantpc16) {
918 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
921 if ($ncall eq $main::mycall) {
922 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
926 my $uref = Route::User::get($ucall);
928 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
931 my $parent = Route::Node::get($ncall);
933 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
937 $dxchan = $parent->dxchan;
938 if ($dxchan && $dxchan ne $self) {
939 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
943 # input filter if required
944 return unless $self->in_filter_route($parent);
946 $parent->del_user($uref);
948 if (eph_dup($line)) {
949 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
953 $self->route_pc17($origin, $line, $parent, $uref);
963 $self->state('init');
965 # record the type and version offered
966 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
967 $self->version(53 + $1);
968 $self->user->version(53 + $1);
969 $self->build(0 + $2);
970 $self->user->build(0 + $2);
971 unless ($self->is_spider) {
972 $self->user->sort('S');
977 $self->version(50.0);
978 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
979 $self->user->version($self->version);
982 # first clear out any nodes on this dxchannel
983 my $parent = Route::Node::get($self->{call});
984 my @rout = $parent->del_nodes;
985 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
986 $self->send_local_config();
990 # incoming cluster list
999 my $newline = "PC19^";
1001 if (eph_dup($line)) {
1002 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
1009 # first get the INTERFACE node
1010 my $parent = Route::Node::get($self->{call});
1012 dbg("DXPROT: my parent $self->{call} has disappeared");
1017 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
1018 if ($origin ne $self->call) {
1019 my $op = Route::Node::get($origin);
1021 $op = $parent->add($origin, 5000, Route::here(1));
1022 my $user = DXUser->get_current($origin);
1024 $user = DXUser->new($origin);
1026 $user->priv(1); # I have relented and defaulted nodes
1028 $user->homenode($origin);
1029 $user->node($origin);
1030 $user->wantroutepc19(1);
1039 for ($i = 1; $i < $#_-1; $i += 4) {
1041 my $call = uc $_[$i+1];
1042 my $conf = $_[$i+2];
1044 next unless defined $here && defined $conf && is_callsign($call);
1046 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1048 # check for sane parameters
1049 # $ver = 5000 if $ver eq '0000';
1050 next if $ver < 5000; # only works with version 5 software
1051 next if length $call < 3; # min 3 letter callsigns
1052 next if $call eq $main::mycall;
1054 # check that this PC19 isn't trying to alter the wrong dxchan
1055 my $dxchan = DXChannel->get($call);
1056 if ($dxchan && $dxchan != $self) {
1057 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1061 # add this station to the user database, if required (don't remove SSID from nodes)
1062 my $user = DXUser->get_current($call);
1064 $user = DXUser->new($call);
1066 $user->priv(1); # I have relented and defaulted nodes
1068 $user->homenode($call);
1072 my $r = Route::Node::get($call);
1073 my $flags = Route::here($here)|Route::conf($conf);
1075 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1078 if ($call ne $parent->call) {
1079 if ($self->in_filter_route($r)) {
1080 $ar = $parent->add($call, $ver, $flags);
1081 push @rout, $ar if $ar;
1086 if ($r->version ne $ver || $r->flags != $flags) {
1089 push @rout, $r unless $ar;
1093 # if he is directly connected or allowed then add him, otherwise store him up for later
1094 if ($call eq $self->{call} || $user->wantroutepc19) {
1095 my $new = Route->new($call); # throw away
1096 if ($self->in_filter_route($new)) {
1097 my $ar = $parent->add($call, $ver, $flags);
1098 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1099 push @rout, $ar if $ar;
1104 $pc19list{$call} = [] unless exists $pc19list{$call};
1105 my $nl = $pc19list{$call};
1106 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1110 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1111 my $mref = DXMsg::get_busy($call);
1112 $mref->stop_msg($call) if $mref;
1114 $user->lastin($main::systime) unless DXChannel->get($call);
1119 $self->route_pc19($origin, $line, @rout) if @rout;
1122 # send local configuration
1129 $self->send_local_config();
1130 $self->send(pc22());
1131 $self->state('normal');
1132 $self->{lastping} = 0;
1135 # delete a cluster from the list
1142 my $call = uc $_[1];
1144 eph_del_regex("^PC1[679].*$call");
1146 # if I get a PC21 from the same callsign as self then treat it
1147 # as a PC39: I have gone away
1148 if ($call eq $self->call) {
1149 $self->disconnect(1);
1153 # check to see if we are in the pc19list, if we are then don't bother with any of
1154 # this routing table manipulation, just remove it from the list and dump it
1156 if (my $nl = $pc19list{$call}) {
1157 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1158 delete $pc19list{$call} unless @{$pc19list{$call}};
1161 my $parent = Route::Node::get($self->{call});
1163 dbg("DXPROT: my parent $self->{call} has disappeared");
1167 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1168 my $node = Route::Node::get($call);
1171 my $dxchan = DXChannel->get($call);
1172 if ($dxchan && $dxchan != $self) {
1173 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1178 return unless $self->in_filter_route($node);
1181 push @rout, $node->del($parent);
1184 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1189 $self->route_pc21($origin, $line, @rout) if @rout;
1199 $self->state('normal');
1200 $self->{lastping} = 0;
1211 # route foreign' pc27s
1213 if ($_[8] ne $main::mycall) {
1214 $self->route($_[8], $line);
1219 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7]);
1222 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1223 my $sfi = unpad($_[3]);
1224 my $k = unpad($_[4]);
1225 my $i = unpad($_[5]);
1226 my ($r) = $_[6] =~ /R=(\d+)/;
1228 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1229 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1232 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1233 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1236 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1238 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1242 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1244 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1247 # DON'T be silly and send on PC27s!
1248 return if $pcno == 27;
1250 # broadcast to the eager world
1251 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1261 my $call = uc $_[1];
1263 $nref = Route::Node::get($call);
1264 $uref = Route::User::get($call);
1265 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1267 if (eph_dup($line)) {
1268 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1272 $nref->here($_[2]) if $nref;
1273 $uref->here($_[2]) if $uref;
1274 my $ref = $nref || $uref;
1275 return unless $self->in_filter_route($ref);
1277 $self->route_pc24($origin, $line, $ref, $_[3]);
1287 if ($_[1] ne $main::mycall) {
1288 $self->route($_[1], $line);
1291 if ($_[2] eq $main::mycall) {
1292 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1296 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1300 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1303 $self->send(pc26(@{$in}[0..4], $_[2]));
1309 my @in = reverse Geomag::search(0, $_[4], time, 1);
1312 $self->send(pc27(@{$in}[0..5], $_[2]));
1317 sub handle_26 {goto &handle_11}
1318 sub handle_27 {goto &handle_23}
1320 # mail/file handling
1327 if ($_[1] eq $main::mycall) {
1329 my $sub = "DXMsg::handle_$pcno";
1332 $self->route($_[1], $line) unless $self->is_clx;
1336 sub handle_29 {goto &handle_28}
1337 sub handle_30 {goto &handle_28}
1338 sub handle_31 {goto &handle_28}
1339 sub handle_32 {goto &handle_28}
1340 sub handle_33 {goto &handle_28}
1348 if (eph_dup($line, $eph_pc34_restime)) {
1349 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1351 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1355 # remote command replies
1362 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1363 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1366 sub handle_36 {goto &handle_34}
1375 if ($_[1] eq $main::mycall) {
1377 my $sub = "DXDb::handle_$pcno";
1380 $self->route($_[1], $line) unless $self->is_clx;
1384 # node connected list from neighbour
1393 # incoming disconnect
1400 if ($_[1] eq $self->{call}) {
1401 $self->disconnect(1);
1403 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1407 sub handle_40 {goto &handle_28}
1419 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1420 if (eph_dup($l, $eph_info_restime)) {
1421 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1425 # input filter if required
1426 # my $ref = Route::get($call) || Route->new($call);
1427 # return unless $self->in_filter_route($ref);
1429 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1430 dbg('PCPROT: invalid value') if isdbg('chanerr');
1434 # add this station to the user database, if required
1435 my $user = DXUser->get_current($call);
1436 $user = DXUser->new($call) unless $user;
1440 } elsif ($_[2] == 2) {
1442 } elsif ($_[2] == 3) {
1443 if (is_latlong($_[3])) {
1444 my ($lat, $long) = DXBearing::stoll($_[3]);
1447 $user->qra(DXBearing::lltoqra($lat, $long));
1449 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1452 } elsif ($_[2] == 4) {
1453 $user->homenode($_[3]);
1454 } elsif ($_[2] == 5) {
1455 if (is_qra(uc $_[3])) {
1456 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1459 $user->qra(uc $_[3]);
1461 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1465 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1468 unless ($self->{isolate}) {
1469 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1472 # perhaps this IS what we want after all
1473 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1476 sub handle_42 {goto &handle_28}
1480 sub handle_44 {goto &handle_37}
1481 sub handle_45 {goto &handle_37}
1482 sub handle_46 {goto &handle_37}
1483 sub handle_47 {goto &handle_37}
1484 sub handle_48 {goto &handle_37}
1486 # message and database
1494 if (eph_dup($line)) {
1495 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1499 if ($_[1] eq $main::mycall) {
1500 DXMsg::handle_49($self, @_);
1502 $self->route($_[1], $line) unless $self->is_clx;
1506 # keep alive/user list
1515 my $node = Route::Node::get($call);
1517 return unless $node->call eq $self->{call};
1518 $node->usercount($_[2]);
1520 # input filter if required
1521 return unless $self->in_filter_route($node);
1523 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1527 # incoming ping requests/answers
1540 if ($to eq $main::mycall) {
1542 $self->send(pc51($from, $to, '0'));
1544 # it's a reply, look in the ping list for this one
1545 my $ref = $pings{$from};
1547 my $tochan = DXChannel->get($from);
1549 my $r = shift @$ref;
1550 my $dxchan = DXChannel->get($r->{call});
1551 next unless $dxchan;
1552 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1553 if ($dxchan->is_user) {
1554 my $s = sprintf "%.2f", $t;
1555 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1556 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1557 } elsif ($dxchan->is_node) {
1559 my $nopings = $tochan->user->nopings || $obscount;
1560 push @{$tochan->{pingtime}}, $t;
1561 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1563 # cope with a missed ping, this means you must set the pingint large enough
1564 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1565 $t -= $tochan->{pingint};
1568 # calc smoothed RTT a la TCP
1569 if (@{$tochan->{pingtime}} == 1) {
1570 $tochan->{pingave} = $t;
1572 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1574 $tochan->{nopings} = $nopings; # pump up the timer
1581 if ($line !~ /^PC90/ && 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} = $t;
1719 if ($t - $last10 >= 10) {
1720 # clean out ephemera
1727 if ($main::systime - 3600 > $last_hour) {
1728 $last_hour = $main::systime;
1733 # finish up a pc context
1737 # some active measures
1745 my @dxchan = DXChannel->get_all();
1748 # send it if it isn't the except list and isn't isolated and still has a hop count
1749 # taking into account filtering and so on
1750 foreach $dxchan (@dxchan) {
1751 next if $dxchan == $main::me;
1752 next if $dxchan == $self && $self->is_node;
1753 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1761 my $isolate = shift;
1762 my ($filter, $hops);
1764 if ($self->{spotsfilter}) {
1765 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1766 return unless $filter;
1768 send_prot_line($self, $filter, $hops, $isolate, $line);
1773 my ($self, $filter, $hops, $isolate, $line) = @_;
1779 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1781 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1782 return unless $routeit;
1785 $self->send($routeit);
1787 $self->send($routeit) unless $self->{isolate} || $isolate;
1796 my @dxchan = DXChannel->get_all();
1798 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1799 my @dxcc = Prefix::extract($_[6]);
1801 $wwv_dxcc = $dxcc[1]->dxcc;
1802 $wwv_itu = $dxcc[1]->itu;
1803 $wwv_cq = $dxcc[1]->cq;
1805 @dxcc = Prefix::extract($_[7]);
1807 $org_dxcc = $dxcc[1]->dxcc;
1808 $org_itu = $dxcc[1]->itu;
1809 $org_cq = $dxcc[1]->cq;
1812 # send it if it isn't the except list and isn't isolated and still has a hop count
1813 # taking into account filtering and so on
1814 foreach $dxchan (@dxchan) {
1815 next if $dxchan == $main::me;
1816 next if $dxchan == $self && $self->is_node;
1818 my ($filter, $hops);
1820 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1828 my $isolate = shift;
1829 my ($filter, $hops);
1831 if ($self->{wwvfilter}) {
1832 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1833 return unless $filter;
1835 send_prot_line($self, $filter, $hops, $isolate, $line)
1842 my @dxchan = DXChannel->get_all();
1844 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1845 my @dxcc = Prefix::extract($_[10]);
1847 $wcy_dxcc = $dxcc[1]->dxcc;
1848 $wcy_itu = $dxcc[1]->itu;
1849 $wcy_cq = $dxcc[1]->cq;
1851 @dxcc = Prefix::extract($_[11]);
1853 $org_dxcc = $dxcc[1]->dxcc;
1854 $org_itu = $dxcc[1]->itu;
1855 $org_cq = $dxcc[1]->cq;
1858 # send it if it isn't the except list and isn't isolated and still has a hop count
1859 # taking into account filtering and so on
1860 foreach $dxchan (@dxchan) {
1861 next if $dxchan == $main::me;
1862 next if $dxchan == $self;
1864 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1872 my $isolate = shift;
1873 my ($filter, $hops);
1875 if ($self->{wcyfilter}) {
1876 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1877 return unless $filter;
1879 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1887 my @dxchan = DXChannel->get_all();
1891 my $text = unpad($_[2]);
1893 if ($_[3] eq '*') { # sysops
1895 } elsif ($_[3] gt ' ') { # speciality list handling
1896 my ($name) = split /\./, $_[3];
1897 $target = "$name"; # put the rest in later (if bothered)
1904 $target = "ALL" if !$target;
1907 # obtain country codes etc
1908 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1909 my ($ann_state, $org_state) = ("", "");
1910 my @dxcc = Prefix::extract($_[0]);
1912 $ann_dxcc = $dxcc[1]->dxcc;
1913 $ann_itu = $dxcc[1]->itu;
1914 $ann_cq = $dxcc[1]->cq;
1915 $ann_state = $dxcc[1]->state;
1917 @dxcc = Prefix::extract($_[4]);
1919 $org_dxcc = $dxcc[1]->dxcc;
1920 $org_itu = $dxcc[1]->itu;
1921 $org_cq = $dxcc[1]->cq;
1922 $org_state = $dxcc[1]->state;
1925 if ($self->{inannfilter}) {
1926 my ($filter, $hops) =
1927 $self->{inannfilter}->it(@_, $self->{call},
1928 $ann_dxcc, $ann_itu, $ann_cq,
1929 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1931 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1936 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1937 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1941 Log('ann', $target, $_[0], $text);
1943 # send it if it isn't the except list and isn't isolated and still has a hop count
1944 # taking into account filtering and so on
1945 foreach $dxchan (@dxchan) {
1946 next if $dxchan == $main::me;
1947 next if $dxchan == $self && $self->is_node;
1948 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1957 $msgid = 1 if $msgid > 999;
1966 my @dxchan = DXChannel->get_all();
1969 my $text = unpad($_[2]);
1972 # munge the group and recast the line if required
1973 if ($target =~ s/\.LST$//) {
1977 # obtain country codes etc
1978 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1979 my ($ann_state, $org_state) = ("", "");
1980 my @dxcc = Prefix::extract($_[0]);
1982 $ann_dxcc = $dxcc[1]->dxcc;
1983 $ann_itu = $dxcc[1]->itu;
1984 $ann_cq = $dxcc[1]->cq;
1985 $ann_state = $dxcc[1]->state;
1987 @dxcc = Prefix::extract($_[4]);
1989 $org_dxcc = $dxcc[1]->dxcc;
1990 $org_itu = $dxcc[1]->itu;
1991 $org_cq = $dxcc[1]->cq;
1992 $org_state = $dxcc[1]->state;
1995 if ($self->{inannfilter}) {
1996 my ($filter, $hops) =
1997 $self->{inannfilter}->it(@_, $self->{call},
1998 $ann_dxcc, $ann_itu, $ann_cq,
1999 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
2001 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
2006 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
2007 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
2012 Log('chat', $target, $_[0], $text);
2014 # send it if it isn't the except list and isn't isolated and still has a hop count
2015 # taking into account filtering and so on
2016 foreach $dxchan (@dxchan) {
2017 my $is_ak1a = $dxchan->is_ak1a;
2019 if ($dxchan->is_node) {
2020 next if $dxchan == $main::me;
2021 next if $dxchan == $self;
2022 next unless $dxchan->is_spider || $is_ak1a;
2023 next if $target eq 'LOCAL';
2024 if (!$ak1a_line && $is_ak1a) {
2025 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
2029 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1], $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
2037 my $isolate = shift;
2041 my ($filter, $hops);
2043 if ($self->{annfilter}) {
2044 ($filter, $hops) = $self->{annfilter}->it(@_);
2045 return unless $filter;
2047 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2056 sub send_local_config
2064 dbg('DXProt::send_local_config') if isdbg('trace');
2067 if ($self->{isolate}) {
2068 @localnodes = ( $main::routeroot );
2069 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2071 # create a list of all the nodes that are not connected to this connection
2072 # and are not themselves isolated, this to make sure that isolated nodes
2073 # don't appear outside of this node
2075 # send locally connected nodes
2076 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2077 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2078 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2081 if ($self->user->wantpc90) {
2082 for $node (@localnodes) {
2083 my @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} $node->nodes;
2084 $self->send_route($node->call, \&pc19, scalar(@nodes)+1, @nodes);
2085 for my $r (@nodes) {
2086 push @remotenodes, $r unless grep $r eq $_, @remotenodes;
2090 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2092 for $node (@rawintcalls) {
2093 push @intcalls, $node unless grep $node eq $_, @intcalls;
2095 my $ref = Route::Node::get($self->{call});
2096 my @rnodes = $ref->nodes;
2097 for $node (@intcalls) {
2098 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2100 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2106 # get all the users connected on the above nodes and send them out
2107 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2109 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2110 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2112 dbg("sent a null value") if isdbg('chanerr');
2118 # route a message down an appropriate interface for a callsign
2120 # is called route(to, pcline);
2124 my ($self, $call, $line) = @_;
2126 if (ref $self && $call eq $self->{call}) {
2127 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2131 # always send it down the local interface if available
2132 my $dxchan = DXChannel->get($call);
2134 my $cl = Route::get($call);
2135 $dxchan = $cl->dxchan if $cl;
2137 if (ref $self && $dxchan eq $self) {
2138 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2144 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2146 $dxchan->send($routeit) unless $dxchan == $main::me;
2149 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2154 # obtain the hops from the list for this callsign and pc no
2160 my $hops = $DXProt::hopcount{$pcno};
2161 $hops = $DXProt::def_hopcount if !$hops;
2166 # adjust the hop count on a per node basis using the user loadable
2167 # hop table if available or else decrement an existing one
2174 my $call = $self->{call};
2177 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2178 my ($pcno) = $s =~ /^PC(\d\d)/o;
2179 confess "$call called adjust_hops with '$s'" unless $pcno;
2180 my $ref = $nodehops{$call} if %nodehops;
2182 my $newhops = $ref->{$pcno};
2183 return "" if defined $newhops && $newhops == 0;
2184 $newhops = $ref->{default} unless $newhops;
2185 return "" if defined $newhops && $newhops == 0;
2186 $newhops = $hops if !$newhops;
2187 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2189 # simply decrement it
2191 return "" if !$hops;
2192 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2204 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2205 do "$main::data/hop_table.pl";
2211 # add a ping request to the ping queues
2214 my ($from, $to) = @_;
2215 my $ref = $pings{$to} || [];
2218 $r->{t} = [ gettimeofday ];
2219 route(undef, $to, pc51($to, $main::mycall, 1));
2226 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2227 if ($tonode eq $main::mycall) {
2228 my $ref = DXUser->get_current($fromnode);
2229 my $cref = Route::Node::get($fromnode);
2230 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2231 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2232 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2233 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2234 my $oldpriv = $self->{priv};
2235 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2236 my @in = (DXCommandmode::run_cmd($self, $cmd));
2237 $self->{priv} = $oldpriv;
2238 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2239 delete $self->{remotecmd};
2241 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2244 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2247 my $ref = DXUser->get_current($tonode);
2248 if ($ref && $ref->is_clx) {
2249 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2251 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2256 sub process_rcmd_reply
2258 my ($self, $tonode, $fromnode, $user, $line) = @_;
2259 if ($tonode eq $main::mycall) {
2260 my $s = $rcmds{$fromnode};
2262 my $dxchan = DXChannel->get($s->{call});
2263 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2264 $ref->send($line) if $ref;
2265 delete $rcmds{$fromnode} if !$dxchan;
2267 # send unsolicited ones to the sysop
2268 my $dxchan = DXChannel->get($main::myalias);
2269 $dxchan->send($line) if $dxchan;
2272 my $ref = DXUser->get_current($tonode);
2273 if ($ref && $ref->is_clx) {
2274 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2276 $self->route($tonode, pc35($fromnode, $tonode, $line));
2285 my $fromnode = shift;
2290 Log('rcmd', 'out', $fromnode, $line);
2291 if ($self->is_clx) {
2292 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2294 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2299 # add a rcmd request to the rcmd queues
2302 my ($self, $to, $cmd) = @_;
2305 $r->{call} = $self->{call};
2306 $r->{t} = $main::systime;
2310 my $ref = Route::Node::get($to);
2311 my $dxchan = $ref->dxchan;
2312 if ($dxchan && $dxchan->is_clx) {
2313 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2315 route(undef, $to, pc34($main::mycall, $to, $cmd));
2322 my $pc39flag = shift;
2323 my $call = $self->call;
2325 return if $self->{disconnecting}++;
2327 unless ($pc39flag && $pc39flag == 1) {
2328 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2331 # get rid of any PC16/17/19
2332 eph_del_regex("^PC1[679]*$call");
2334 # do routing stuff, remove me from routing table
2335 my $node = Route::Node::get($call);
2338 @rout = $node->del($main::routeroot);
2340 # and all my ephemera as well
2343 eph_del_regex("^PC1[679].*$c");
2347 # remove them from the pc19list as well
2348 while (my ($k,$v) = each %pc19list) {
2349 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2351 $pc19list{$k} = \@l;
2353 delete $pc19list{$k};
2357 eph_del_regex("^PC1[679].*$k");
2360 # unbusy and stop and outgoing mail
2361 my $mref = DXMsg::get_busy($call);
2362 $mref->stop_msg($call) if $mref;
2364 # broadcast to all other nodes that all the nodes connected to via me are gone
2365 unless ($pc39flag && $pc39flag == 2) {
2366 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2369 # remove outstanding pings
2370 delete $pings{$call};
2372 # I was the last node visited
2373 $self->user->node($main::mycall);
2375 # send info to all logged in thingies
2376 $self->tell_login('logoutn');
2378 Log('DXProt', $call . " Disconnected");
2380 $self->SUPER::disconnect;
2385 # send a talk message to this thingy
2389 my ($self, $from, $to, $via, $line, $origin) = @_;
2391 $line =~ s/\^/\\5E/g; # remove any ^ characters
2392 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2393 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2396 # send it if it isn't the except list and isn't isolated and still has a hop count
2397 # taking into account filtering and so on
2403 my $generate = shift;
2404 my $no = shift; # the no of things to filter on
2406 my ($filter, $hops);
2409 for (; @_ && $no; $no--) {
2412 if (!$self->{isolate} && $self->{routefilter}) {
2415 ($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});
2419 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2422 dbg("was sent a null value") if isdbg('chanerr');
2425 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2429 foreach my $line (&$generate(@rin, @_)) {
2432 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2434 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2435 next unless $routeit;
2438 $routeit = mungepc91($origin, $routeit) if $self->user->wantpc90;
2439 $self->send($routeit);
2448 my $generate = shift;
2450 my @dxchan = DXChannel::get_all_nodes();
2453 unless ($self->{isolate}) {
2454 foreach $dxchan (@dxchan) {
2455 next if $dxchan == $self;
2456 next if $dxchan == $main::me;
2457 next unless $dxchan->isa('DXProt');
2458 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2460 if ($self->user->wantpc90 && $line) {
2461 $dxchan->send(mungepc91($origin, $line));
2463 $dxchan->send_route($origin, $generate, @_);
2472 return unless $self->user->wantpc16;
2475 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2481 return unless $self->user->wantpc16;
2484 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2492 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2500 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2508 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2516 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2524 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2531 my ($filter, $hops) = (1, 1);
2533 if ($self->{inroutefilter}) {
2534 ($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);
2535 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2543 my $t = shift || $eph_restime;
2547 $s =~ s/\^H\d\d?\^?\~?$//;
2549 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2550 $eph{$s} = $main::systime + $t;
2558 while (($key, $val) = each %eph) {
2559 if ($key =~ m{$regex}) {
2569 while (($key, $val) = each %eph) {
2570 if ($main::systime >= $val) {
2581 while (($key, $val) = each %eph) {
2582 push @out, $key, $val;
2589 goto &DXCommandmode::run_cmd;