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');
1008 my $parent = Route::Node::get($self->{call});
1010 dbg("DXPROT: my parent $self->{call} has disappeared");
1016 for ($i = 1; $i < $#_-1; $i += 4) {
1018 my $call = uc $_[$i+1];
1019 my $conf = $_[$i+2];
1021 next unless defined $here && defined $conf && is_callsign($call);
1023 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1025 # check for sane parameters
1026 # $ver = 5000 if $ver eq '0000';
1027 next if $ver < 5000; # only works with version 5 software
1028 next if length $call < 3; # min 3 letter callsigns
1029 next if $call eq $main::mycall;
1031 # check that this PC19 isn't trying to alter the wrong dxchan
1032 my $dxchan = DXChannel->get($call);
1033 if ($dxchan && $dxchan != $self) {
1034 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1038 # add this station to the user database, if required (don't remove SSID from nodes)
1039 my $user = DXUser->get_current($call);
1041 $user = DXUser->new($call);
1043 $user->priv(1); # I have relented and defaulted nodes
1045 $user->homenode($call);
1049 my $r = Route::Node::get($call);
1050 my $flags = Route::here($here)|Route::conf($conf);
1052 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1055 if ($call ne $parent->call) {
1056 if ($self->in_filter_route($r)) {
1057 $ar = $parent->add($call, $ver, $flags);
1058 push @rout, $ar if $ar;
1063 if ($r->version ne $ver || $r->flags != $flags) {
1066 push @rout, $r unless $ar;
1070 # if he is directly connected or allowed then add him, otherwise store him up for later
1071 if ($call eq $self->{call} || $user->wantroutepc19) {
1072 my $new = Route->new($call); # throw away
1073 if ($self->in_filter_route($new)) {
1074 my $ar = $parent->add($call, $ver, $flags);
1075 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1076 push @rout, $ar if $ar;
1081 $pc19list{$call} = [] unless exists $pc19list{$call};
1082 my $nl = $pc19list{$call};
1083 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1087 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1088 my $mref = DXMsg::get_busy($call);
1089 $mref->stop_msg($call) if $mref;
1091 $user->lastin($main::systime) unless DXChannel->get($call);
1096 $self->route_pc19($origin, $line, @rout) if @rout;
1099 # send local configuration
1106 $self->send_local_config();
1107 $self->send(pc22());
1108 $self->state('normal');
1109 $self->{lastping} = 0;
1112 # delete a cluster from the list
1119 my $call = uc $_[1];
1121 eph_del_regex("^PC1[679].*$call");
1123 # if I get a PC21 from the same callsign as self then treat it
1124 # as a PC39: I have gone away
1125 if ($call eq $self->call) {
1126 $self->disconnect(1);
1130 # check to see if we are in the pc19list, if we are then don't bother with any of
1131 # this routing table manipulation, just remove it from the list and dump it
1133 if (my $nl = $pc19list{$call}) {
1134 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1135 delete $pc19list{$call} unless @{$pc19list{$call}};
1138 my $parent = Route::Node::get($self->{call});
1140 dbg("DXPROT: my parent $self->{call} has disappeared");
1144 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1145 my $node = Route::Node::get($call);
1148 my $dxchan = DXChannel->get($call);
1149 if ($dxchan && $dxchan != $self) {
1150 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1155 return unless $self->in_filter_route($node);
1158 push @rout, $node->del($parent);
1161 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1166 $self->route_pc21($origin, $line, @rout) if @rout;
1176 $self->state('normal');
1177 $self->{lastping} = 0;
1188 # route foreign' pc27s
1190 if ($_[8] ne $main::mycall) {
1191 $self->route($_[8], $line);
1196 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7]);
1199 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1200 my $sfi = unpad($_[3]);
1201 my $k = unpad($_[4]);
1202 my $i = unpad($_[5]);
1203 my ($r) = $_[6] =~ /R=(\d+)/;
1205 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1206 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1209 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1210 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1213 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1215 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1219 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1221 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1224 # DON'T be silly and send on PC27s!
1225 return if $pcno == 27;
1227 # broadcast to the eager world
1228 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1238 my $call = uc $_[1];
1240 $nref = Route::Node::get($call);
1241 $uref = Route::User::get($call);
1242 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1244 if (eph_dup($line)) {
1245 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1249 $nref->here($_[2]) if $nref;
1250 $uref->here($_[2]) if $uref;
1251 my $ref = $nref || $uref;
1252 return unless $self->in_filter_route($ref);
1254 $self->route_pc24($origin, $line, $ref, $_[3]);
1264 if ($_[1] ne $main::mycall) {
1265 $self->route($_[1], $line);
1268 if ($_[2] eq $main::mycall) {
1269 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1273 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1277 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1280 $self->send(pc26(@{$in}[0..4], $_[2]));
1286 my @in = reverse Geomag::search(0, $_[4], time, 1);
1289 $self->send(pc27(@{$in}[0..5], $_[2]));
1294 sub handle_26 {goto &handle_11}
1295 sub handle_27 {goto &handle_23}
1297 # mail/file handling
1304 if ($_[1] eq $main::mycall) {
1306 my $sub = "DXMsg::handle_$pcno";
1309 $self->route($_[1], $line) unless $self->is_clx;
1313 sub handle_29 {goto &handle_28}
1314 sub handle_30 {goto &handle_28}
1315 sub handle_31 {goto &handle_28}
1316 sub handle_32 {goto &handle_28}
1317 sub handle_33 {goto &handle_28}
1325 if (eph_dup($line, $eph_pc34_restime)) {
1326 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1328 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1332 # remote command replies
1339 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1340 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1343 sub handle_36 {goto &handle_34}
1352 DXDb::process($self, $line);
1355 # node connected list from neighbour
1364 # incoming disconnect
1371 if ($_[1] eq $self->{call}) {
1372 $self->disconnect(1);
1374 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1378 sub handle_40 {goto &handle_28}
1390 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1391 if (eph_dup($l, $eph_info_restime)) {
1392 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1396 # input filter if required
1397 # my $ref = Route::get($call) || Route->new($call);
1398 # return unless $self->in_filter_route($ref);
1400 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1401 dbg('PCPROT: invalid value') if isdbg('chanerr');
1405 # add this station to the user database, if required
1406 my $user = DXUser->get_current($call);
1407 $user = DXUser->new($call) unless $user;
1411 } elsif ($_[2] == 2) {
1413 } elsif ($_[2] == 3) {
1414 if (is_latlong($_[3])) {
1415 my ($lat, $long) = DXBearing::stoll($_[3]);
1418 $user->qra(DXBearing::lltoqra($lat, $long));
1420 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1423 } elsif ($_[2] == 4) {
1424 $user->homenode($_[3]);
1425 } elsif ($_[2] == 5) {
1426 if (is_qra(uc $_[3])) {
1427 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1430 $user->qra(uc $_[3]);
1432 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1436 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1439 unless ($self->{isolate}) {
1440 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1443 # perhaps this IS what we want after all
1444 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1447 sub handle_42 {goto &handle_28}
1451 sub handle_44 {goto &handle_37}
1452 sub handle_45 {goto &handle_37}
1453 sub handle_46 {goto &handle_37}
1454 sub handle_47 {goto &handle_37}
1455 sub handle_48 {goto &handle_37}
1457 # message and database
1465 if (eph_dup($line)) {
1466 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1470 if ($_[1] eq $main::mycall) {
1471 DXMsg::handle_49($self, @_);
1473 $self->route($_[1], $line) unless $self->is_clx;
1477 # keep alive/user list
1486 my $node = Route::Node::get($call);
1488 return unless $node->call eq $self->{call};
1489 $node->usercount($_[2]);
1491 # input filter if required
1492 return unless $self->in_filter_route($node);
1494 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1498 # incoming ping requests/answers
1511 if ($to eq $main::mycall) {
1513 $self->send(pc51($from, $to, '0'));
1515 # it's a reply, look in the ping list for this one
1516 my $ref = $pings{$from};
1518 my $tochan = DXChannel->get($from);
1520 my $r = shift @$ref;
1521 my $dxchan = DXChannel->get($r->{call});
1522 next unless $dxchan;
1523 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1524 if ($dxchan->is_user) {
1525 my $s = sprintf "%.2f", $t;
1526 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1527 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1528 } elsif ($dxchan->is_node) {
1530 my $nopings = $tochan->user->nopings || $obscount;
1531 push @{$tochan->{pingtime}}, $t;
1532 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1534 # cope with a missed ping, this means you must set the pingint large enough
1535 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1536 $t -= $tochan->{pingint};
1539 # calc smoothed RTT a la TCP
1540 if (@{$tochan->{pingtime}} == 1) {
1541 $tochan->{pingave} = $t;
1543 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1545 $tochan->{nopings} = $nopings; # pump up the timer
1552 if ($line !~ /^PC90/ && eph_dup($line)) {
1553 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1556 # route down an appropriate thingy
1557 $self->route($to, $line);
1561 # dunno but route it
1569 if ($call ne $main::mycall) {
1570 $self->route($call, $line);
1584 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1585 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1586 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1589 @_ = map { unpad($_) } @_;
1591 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1595 my $wcy = WCY::update($d, @_[2..12]);
1599 $rep = Local::wcy($self, @_[1..12]);
1601 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1604 # broadcast to the eager world
1605 send_wcy_spot($self, $line, $d, @_[2..12]);
1608 # remote commands (incoming)
1615 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1618 # remote command replies
1625 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1628 # if get here then rebroadcast the thing with its Hop count decremented (if
1629 # there is one). If it has a hop count and it decrements to zero then don't
1632 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1643 if (eph_dup($line)) {
1644 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1646 unless ($self->{isolate}) {
1647 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1653 # This is called from inside the main cluster processing loop and is used
1654 # for despatching commands that are doing some long processing job
1659 my @dxchan = DXChannel->get_all();
1663 # send out a pc50 on EVERY channel all at once
1664 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1665 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1670 foreach $dxchan (@dxchan) {
1671 next unless $dxchan->is_node();
1672 next if $dxchan == $main::me;
1675 $dxchan->send($pc50s) if $pc50s;
1677 # send a ping out on this channel
1678 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1679 if ($dxchan->{nopings} <= 0) {
1680 $dxchan->disconnect;
1682 addping($main::mycall, $dxchan->call);
1683 $dxchan->{nopings} -= 1;
1684 $dxchan->{lastping} = $t;
1690 if ($t - $last10 >= 10) {
1691 # clean out ephemera
1698 if ($main::systime - 3600 > $last_hour) {
1699 $last_hour = $main::systime;
1704 # finish up a pc context
1708 # some active measures
1716 my @dxchan = DXChannel->get_all();
1719 # send it if it isn't the except list and isn't isolated and still has a hop count
1720 # taking into account filtering and so on
1721 foreach $dxchan (@dxchan) {
1722 next if $dxchan == $main::me;
1723 next if $dxchan == $self && $self->is_node;
1724 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1732 my $isolate = shift;
1733 my ($filter, $hops);
1735 if ($self->{spotsfilter}) {
1736 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1737 return unless $filter;
1739 send_prot_line($self, $filter, $hops, $isolate, $line);
1744 my ($self, $filter, $hops, $isolate, $line) = @_;
1750 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1752 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1753 return unless $routeit;
1756 $self->send($routeit);
1758 $self->send($routeit) unless $self->{isolate} || $isolate;
1767 my @dxchan = DXChannel->get_all();
1769 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1770 my @dxcc = Prefix::extract($_[6]);
1772 $wwv_dxcc = $dxcc[1]->dxcc;
1773 $wwv_itu = $dxcc[1]->itu;
1774 $wwv_cq = $dxcc[1]->cq;
1776 @dxcc = Prefix::extract($_[7]);
1778 $org_dxcc = $dxcc[1]->dxcc;
1779 $org_itu = $dxcc[1]->itu;
1780 $org_cq = $dxcc[1]->cq;
1783 # send it if it isn't the except list and isn't isolated and still has a hop count
1784 # taking into account filtering and so on
1785 foreach $dxchan (@dxchan) {
1786 next if $dxchan == $main::me;
1787 next if $dxchan == $self && $self->is_node;
1789 my ($filter, $hops);
1791 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1799 my $isolate = shift;
1800 my ($filter, $hops);
1802 if ($self->{wwvfilter}) {
1803 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1804 return unless $filter;
1806 send_prot_line($self, $filter, $hops, $isolate, $line)
1813 my @dxchan = DXChannel->get_all();
1815 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1816 my @dxcc = Prefix::extract($_[10]);
1818 $wcy_dxcc = $dxcc[1]->dxcc;
1819 $wcy_itu = $dxcc[1]->itu;
1820 $wcy_cq = $dxcc[1]->cq;
1822 @dxcc = Prefix::extract($_[11]);
1824 $org_dxcc = $dxcc[1]->dxcc;
1825 $org_itu = $dxcc[1]->itu;
1826 $org_cq = $dxcc[1]->cq;
1829 # send it if it isn't the except list and isn't isolated and still has a hop count
1830 # taking into account filtering and so on
1831 foreach $dxchan (@dxchan) {
1832 next if $dxchan == $main::me;
1833 next if $dxchan == $self;
1835 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1843 my $isolate = shift;
1844 my ($filter, $hops);
1846 if ($self->{wcyfilter}) {
1847 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1848 return unless $filter;
1850 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1858 my @dxchan = DXChannel->get_all();
1862 my $text = unpad($_[2]);
1864 if ($_[3] eq '*') { # sysops
1866 } elsif ($_[3] gt ' ') { # speciality list handling
1867 my ($name) = split /\./, $_[3];
1868 $target = "$name"; # put the rest in later (if bothered)
1875 $target = "ALL" if !$target;
1878 # obtain country codes etc
1879 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1880 my ($ann_state, $org_state) = ("", "");
1881 my @dxcc = Prefix::extract($_[0]);
1883 $ann_dxcc = $dxcc[1]->dxcc;
1884 $ann_itu = $dxcc[1]->itu;
1885 $ann_cq = $dxcc[1]->cq;
1886 $ann_state = $dxcc[1]->state;
1888 @dxcc = Prefix::extract($_[4]);
1890 $org_dxcc = $dxcc[1]->dxcc;
1891 $org_itu = $dxcc[1]->itu;
1892 $org_cq = $dxcc[1]->cq;
1893 $org_state = $dxcc[1]->state;
1896 if ($self->{inannfilter}) {
1897 my ($filter, $hops) =
1898 $self->{inannfilter}->it(@_, $self->{call},
1899 $ann_dxcc, $ann_itu, $ann_cq,
1900 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1902 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1907 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1908 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1912 Log('ann', $target, $_[0], $text);
1914 # send it if it isn't the except list and isn't isolated and still has a hop count
1915 # taking into account filtering and so on
1916 foreach $dxchan (@dxchan) {
1917 next if $dxchan == $main::me;
1918 next if $dxchan == $self && $self->is_node;
1919 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1928 $msgid = 1 if $msgid > 999;
1937 my @dxchan = DXChannel->get_all();
1940 my $text = unpad($_[2]);
1943 # munge the group and recast the line if required
1944 if ($target =~ s/\.LST$//) {
1948 # obtain country codes etc
1949 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1950 my ($ann_state, $org_state) = ("", "");
1951 my @dxcc = Prefix::extract($_[0]);
1953 $ann_dxcc = $dxcc[1]->dxcc;
1954 $ann_itu = $dxcc[1]->itu;
1955 $ann_cq = $dxcc[1]->cq;
1956 $ann_state = $dxcc[1]->state;
1958 @dxcc = Prefix::extract($_[4]);
1960 $org_dxcc = $dxcc[1]->dxcc;
1961 $org_itu = $dxcc[1]->itu;
1962 $org_cq = $dxcc[1]->cq;
1963 $org_state = $dxcc[1]->state;
1966 if ($self->{inannfilter}) {
1967 my ($filter, $hops) =
1968 $self->{inannfilter}->it(@_, $self->{call},
1969 $ann_dxcc, $ann_itu, $ann_cq,
1970 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1972 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1977 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1978 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1983 Log('chat', $target, $_[0], $text);
1985 # send it if it isn't the except list and isn't isolated and still has a hop count
1986 # taking into account filtering and so on
1987 foreach $dxchan (@dxchan) {
1988 my $is_ak1a = $dxchan->is_ak1a;
1990 if ($dxchan->is_node) {
1991 next if $dxchan == $main::me;
1992 next if $dxchan == $self;
1993 next unless $dxchan->is_spider || $is_ak1a;
1994 next if $target eq 'LOCAL';
1995 if (!$ak1a_line && $is_ak1a) {
1996 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
2000 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1], $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
2008 my $isolate = shift;
2012 my ($filter, $hops);
2014 if ($self->{annfilter}) {
2015 ($filter, $hops) = $self->{annfilter}->it(@_);
2016 return unless $filter;
2018 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2027 sub send_local_config
2035 dbg('DXProt::send_local_config') if isdbg('trace');
2038 if ($self->{isolate}) {
2039 @localnodes = ( $main::routeroot );
2040 $self->send_route(\&pc19, 1, $main::routeroot, $main::routeroot);
2042 # create a list of all the nodes that are not connected to this connection
2043 # and are not themselves isolated, this to make sure that isolated nodes
2044 # don't appear outside of this node
2046 # send locally connected nodes
2047 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2048 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2049 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2052 if ($self->user->wantpc90) {
2053 for $node (@localnodes) {
2054 my @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} $node->nodes;
2055 $self->send_route($node->call, \&pc19, scalar(@nodes)+1, @nodes);
2056 for my $r (@nodes) {
2057 push @remotenodes, $r unless grep $r eq $_, @remotenodes;
2061 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2063 for $node (@rawintcalls) {
2064 push @intcalls, $node unless grep $node eq $_, @intcalls;
2066 my $ref = Route::Node::get($self->{call});
2067 my @rnodes = $ref->nodes;
2068 for $node (@intcalls) {
2069 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2071 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2077 # get all the users connected on the above nodes and send them out
2078 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2080 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2081 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2083 dbg("sent a null value") if isdbg('chanerr');
2089 # route a message down an appropriate interface for a callsign
2091 # is called route(to, pcline);
2095 my ($self, $call, $line) = @_;
2097 if (ref $self && $call eq $self->{call}) {
2098 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2102 # always send it down the local interface if available
2103 my $dxchan = DXChannel->get($call);
2105 my $cl = Route::get($call);
2106 $dxchan = $cl->dxchan if $cl;
2108 if (ref $self && $dxchan eq $self) {
2109 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2115 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2117 $dxchan->send($routeit) unless $dxchan == $main::me;
2120 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2125 # obtain the hops from the list for this callsign and pc no
2131 my $hops = $DXProt::hopcount{$pcno};
2132 $hops = $DXProt::def_hopcount if !$hops;
2137 # adjust the hop count on a per node basis using the user loadable
2138 # hop table if available or else decrement an existing one
2145 my $call = $self->{call};
2148 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2149 my ($pcno) = $s =~ /^PC(\d\d)/o;
2150 confess "$call called adjust_hops with '$s'" unless $pcno;
2151 my $ref = $nodehops{$call} if %nodehops;
2153 my $newhops = $ref->{$pcno};
2154 return "" if defined $newhops && $newhops == 0;
2155 $newhops = $ref->{default} unless $newhops;
2156 return "" if defined $newhops && $newhops == 0;
2157 $newhops = $hops if !$newhops;
2158 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2160 # simply decrement it
2162 return "" if !$hops;
2163 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2175 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2176 do "$main::data/hop_table.pl";
2182 # add a ping request to the ping queues
2185 my ($from, $to) = @_;
2186 my $ref = $pings{$to} || [];
2189 $r->{t} = [ gettimeofday ];
2190 route(undef, $to, pc51($to, $main::mycall, 1));
2197 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2198 if ($tonode eq $main::mycall) {
2199 my $ref = DXUser->get_current($fromnode);
2200 my $cref = Route::Node::get($fromnode);
2201 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2202 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2203 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2204 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2205 my $oldpriv = $self->{priv};
2206 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2207 my @in = (DXCommandmode::run_cmd($self, $cmd));
2208 $self->{priv} = $oldpriv;
2209 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2210 delete $self->{remotecmd};
2212 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2215 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2218 my $ref = DXUser->get_current($tonode);
2219 if ($ref && $ref->is_clx) {
2220 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2222 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2227 sub process_rcmd_reply
2229 my ($self, $tonode, $fromnode, $user, $line) = @_;
2230 if ($tonode eq $main::mycall) {
2231 my $s = $rcmds{$fromnode};
2233 my $dxchan = DXChannel->get($s->{call});
2234 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2235 $ref->send($line) if $ref;
2236 delete $rcmds{$fromnode} if !$dxchan;
2238 # send unsolicited ones to the sysop
2239 my $dxchan = DXChannel->get($main::myalias);
2240 $dxchan->send($line) if $dxchan;
2243 my $ref = DXUser->get_current($tonode);
2244 if ($ref && $ref->is_clx) {
2245 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2247 $self->route($tonode, pc35($fromnode, $tonode, $line));
2256 my $fromnode = shift;
2261 Log('rcmd', 'out', $fromnode, $line);
2262 if ($self->is_clx) {
2263 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2265 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2270 # add a rcmd request to the rcmd queues
2273 my ($self, $to, $cmd) = @_;
2276 $r->{call} = $self->{call};
2277 $r->{t} = $main::systime;
2281 my $ref = Route::Node::get($to);
2282 my $dxchan = $ref->dxchan;
2283 if ($dxchan && $dxchan->is_clx) {
2284 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2286 route(undef, $to, pc34($main::mycall, $to, $cmd));
2293 my $pc39flag = shift;
2294 my $call = $self->call;
2296 return if $self->{disconnecting}++;
2298 unless ($pc39flag && $pc39flag == 1) {
2299 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2302 # get rid of any PC16/17/19
2303 eph_del_regex("^PC1[679]*$call");
2305 # do routing stuff, remove me from routing table
2306 my $node = Route::Node::get($call);
2309 @rout = $node->del($main::routeroot);
2311 # and all my ephemera as well
2314 eph_del_regex("^PC1[679].*$c");
2318 # remove them from the pc19list as well
2319 while (my ($k,$v) = each %pc19list) {
2320 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2322 $pc19list{$k} = \@l;
2324 delete $pc19list{$k};
2328 eph_del_regex("^PC1[679].*$k");
2331 # unbusy and stop and outgoing mail
2332 my $mref = DXMsg::get_busy($call);
2333 $mref->stop_msg($call) if $mref;
2335 # broadcast to all other nodes that all the nodes connected to via me are gone
2336 unless ($pc39flag && $pc39flag == 2) {
2337 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2340 # remove outstanding pings
2341 delete $pings{$call};
2343 # I was the last node visited
2344 $self->user->node($main::mycall);
2346 # send info to all logged in thingies
2347 $self->tell_login('logoutn');
2349 Log('DXProt', $call . " Disconnected");
2351 $self->SUPER::disconnect;
2356 # send a talk message to this thingy
2360 my ($self, $from, $to, $via, $line, $origin) = @_;
2362 $line =~ s/\^/\\5E/g; # remove any ^ characters
2363 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2364 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2367 # send it if it isn't the except list and isn't isolated and still has a hop count
2368 # taking into account filtering and so on
2374 my $generate = shift;
2375 my $no = shift; # the no of things to filter on
2377 my ($filter, $hops);
2380 for (; @_ && $no; $no--) {
2383 if (!$self->{isolate} && $self->{routefilter}) {
2386 ($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});
2390 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2393 dbg("was sent a null value") if isdbg('chanerr');
2396 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2400 foreach my $line (&$generate(@rin, @_)) {
2403 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2405 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2406 next unless $routeit;
2409 $routeit = mungepc91($origin, $routeit) if $self->user->wantpc90;
2410 $self->send($routeit);
2419 my $generate = shift;
2421 my @dxchan = DXChannel::get_all_nodes();
2424 unless ($self->{isolate}) {
2425 foreach $dxchan (@dxchan) {
2426 next if $dxchan == $self;
2427 next if $dxchan == $main::me;
2428 next unless $dxchan->isa('DXProt');
2429 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2431 if ($self->user->wantpc90 && $line) {
2432 $dxchan->send(mungepc91($origin, $line));
2434 $dxchan->send_route($origin, $generate, @_);
2443 return unless $self->user->wantpc16;
2446 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2452 return unless $self->user->wantpc16;
2455 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2463 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2471 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2479 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2487 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2495 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2502 my ($filter, $hops) = (1, 1);
2504 if ($self->{inroutefilter}) {
2505 ($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);
2506 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2514 my $t = shift || $eph_restime;
2518 $s =~ s/\^H\d\d?\^?\~?$//;
2520 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2521 $eph{$s} = $main::systime + $t;
2529 while (($key, $val) = each %eph) {
2530 if ($key =~ m{$regex}) {
2540 while (($key, $val) = each %eph) {
2541 if ($main::systime >= $val) {
2552 while (($key, $val) = each %eph) {
2553 push @out, $key, $val;
2560 goto &DXCommandmode::run_cmd;