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+\^//;
307 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
315 # $self->SUPER::send($line);
320 # This is the normal pcxx despatcher
324 my ($self, $line) = @_;
326 # remove any incoming PC90 frames
329 my @field = split /\^/, $line;
330 return unless @field;
332 pop @field if $field[-1] eq '~';
334 # print join(',', @field), "\n";
337 # process PC frames, this will fail unless the frame starts PCnn
338 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
339 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
340 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
344 # check for and dump bad protocol messages
345 my $n = check($pcno, @field);
347 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
351 my $origin = $self->{call};
353 my $sub = "handle_$pcno";
355 if ($self->can($sub)) {
356 $self->$sub($pcno, $line, $origin, @field);
358 $self->handle_default($pcno, $line, $origin, @field);
362 # incoming talk commands
371 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
373 # will we allow it at all?
376 if (@bad = BadWords::check($_[3])) {
377 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
382 # is it for me or one of mine?
383 my ($from, $to, $via, $call, $dxchan);
392 # if this is a 'nodx' node then ignore it
393 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
394 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
398 # if this is a 'bad spotter' user then ignore it
400 $nossid =~ s/-\d+$//;
401 if ($badspotter->in($nossid)) {
402 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
406 # if we are converting announces to talk is it a dup?
408 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
409 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
414 # it is here and logged on
415 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
416 $dxchan = DXChannel->get($to) unless $dxchan;
417 if ($dxchan && $dxchan->is_user) {
419 $dxchan->talk($from, $to, $via, $_[3]);
423 # is it elsewhere, visible on the cluster via the to address?
424 # note: this discards the via unless the to address is on
427 if ($ref = Route::get($to)) {
428 $vref = Route::Node::get($via) if $via;
429 $vref = undef unless $vref && grep $to eq $_, $vref->users;
430 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
434 # not visible here, send a message of condolence
436 $ref = Route::get($from);
437 $vref = $ref = Route::Node::get($_[6]) unless $ref;
439 $dxchan = $ref->dxchan;
440 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
452 # route 'foreign' pc26s
454 if ($_[7] ne $main::mycall) {
455 $self->route($_[7], $line);
461 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
463 # if this is a 'nodx' node then ignore it
464 if ($badnode->in($_[7])) {
465 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
469 # if this is a 'bad spotter' user then ignore it
471 $nossid =~ s/-\d+$//;
472 if ($badspotter->in($nossid)) {
473 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
477 # convert the date to a unix date
478 my $d = cltounix($_[3], $_[4]);
479 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
480 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
481 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
486 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
487 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
492 $_[5] =~ s/^\s+//; # take any leading blanks off
493 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
494 if ($_[2] =~ /BUST\w*$/) {
495 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
500 if (@bad = BadWords::check($_[5])) {
501 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
507 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
508 # global spot filtering on INPUT
509 if ($self->{inspotsfilter}) {
510 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
512 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
517 # this goes after the input filtering, but before the add
518 # so that if it is input filtered, it isn't added to the dup
519 # list. This allows it to come in from a "legitimate" source
520 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
521 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
529 # @spot at this point contains:-
530 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
531 # then spotted itu, spotted cq, spotters itu, spotters cq
532 # you should be able to route on any of these
535 # fix up qra locators of known users
536 my $user = DXUser->get_current($spot[4]);
538 my $qra = $user->qra;
539 unless ($qra && is_qra($qra)) {
540 my $lat = $user->lat;
541 my $long = $user->long;
542 if (defined $lat && defined $long) {
543 $user->qra(DXBearing::lltoqra($lat, $long));
548 # send a remote command to a distant cluster if it is visible and there is no
549 # qra locator and we havn't done it for a month.
551 unless ($user->qra) {
553 my $to = $user->homenode;
554 my $last = $user->lastoper || 0;
555 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
556 my $cmd = "forward/opernam $spot[4]";
557 # send the rcmd but we aren't interested in the replies...
558 my $dxchan = $node->dxchan;
559 if ($dxchan && $dxchan->is_clx) {
560 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
562 route(undef, $to, pc34($main::mycall, $to, $cmd));
566 $node = Route::Node::get($to);
568 $dxchan = $node->dxchan;
569 if ($dxchan && $dxchan->is_clx) {
570 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
572 route(undef, $to, pc34($main::mycall, $to, $cmd));
576 $user->lastoper($main::systime);
585 $r = Local::spot($self, @spot);
587 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
590 # DON'T be silly and send on PC26s!
591 return if $pcno == 26;
593 # send out the filtered spots
594 send_dx_spot($self, $line, @spot) if @spot;
605 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
607 # announce duplicate checking
608 $_[3] =~ s/^\s+//; # remove leading blanks
612 if (@bad = BadWords::check($_[3])) {
613 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
618 # if this is a 'nodx' node then ignore it
619 if ($badnode->in($_[5])) {
620 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
624 # if this is a 'bad spotter' user then ignore it
626 $nossid =~ s/-\d+$//;
627 if ($badspotter->in($nossid)) {
628 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
634 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
635 $self->send_chat($line, @_[1..6]);
636 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
638 # ignore something that looks like a chat line coming in with sysop
639 # flag - this is a kludge...
640 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
641 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
645 # here's a bit of fun, convert incoming ann with a callsign in the first word
646 # or one saying 'to <call>' to a talk if we can route to the recipient
648 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
650 my $ref = Route::get($call);
652 $dxchan = $ref->dxchan;
653 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
660 $self->send_announce($line, @_[1..6]);
662 $self->route($_[2], $line);
674 if (eph_dup($line)) {
675 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
682 my $newline = "PC16^";
684 # do I want users from this channel?
685 unless ($self->user->wantpc16) {
686 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
690 if ($ncall eq $main::mycall) {
691 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
694 my $parent = Route::Node::get($ncall);
696 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
697 # fix it up in the routing tables and issue it forth before the PC16
699 my $nl = $pc19list{$ncall};
701 if ($nl && @_ > 3) { # 3 because of the hop count!
703 # this is a new (remembered) node, now attach it to me if it isn't in filtered
704 # and we haven't disallowed it
705 my $user = DXUser->get_current($ncall);
707 $user = DXUser->new($ncall);
709 $user->priv(1); # I have relented and defaulted nodes
711 $user->homenode($ncall);
715 my $wantpc19 = $user->wantroutepc19;
716 if ($wantpc19 || !defined $wantpc19) {
717 my $new = Route->new($ncall); # throw away
718 if ($self->in_filter_route($new)) {
721 $parent = Route::Node::get($_->[0]);
722 $dxchan = $parent->dxchan if $parent;
723 if ($dxchan && $dxchan ne $self) {
724 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
728 my $r = $parent->add($ncall, $_->[1], $_->[2]);
729 push @nrout, $r unless @nrout;
732 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
733 $user->lastin($main::systime) unless DXChannel->get($ncall);
736 # route the pc19 - this will cause 'stuttering PC19s' for a while
737 $self->route_pc19($origin, $line, @nrout) if @nrout ;
738 $parent = Route::Node::get($ncall);
740 dbg("PCPROT: lost $ncall after sending PC19 for it?");
746 delete $pc19list{$ncall};
749 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
754 $dxchan = $parent->dxchan;
755 if ($dxchan && $dxchan ne $self) {
756 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
760 # input filter if required
761 return unless $self->in_filter_route($parent);
766 for ($i = 2; $i < $#_; $i++) {
767 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
768 next unless $call && $conf && defined $here && is_callsign($call);
769 next if $call eq $main::mycall;
771 eph_del_regex("^PC17\\^$call\\^$ncall");
773 $conf = $conf eq '*';
775 # reject this if we think it is a node already
776 my $r = Route::Node::get($call);
777 my $u = DXUser->get_current($call) unless $r;
778 if ($r || ($u && $u->is_node)) {
779 dbg("PCPROT: $call is a node") if isdbg('chanerr');
783 $r = Route::User::get($call);
784 my $flags = Route::here($here)|Route::conf($conf);
787 my $au = $r->addparent($parent);
788 if ($r->flags != $flags) {
792 push @rout, $r if $au;
794 push @rout, $parent->add_user($call, $flags);
798 # add this station to the user database, if required
799 $call =~ s/-\d+$//o; # remove ssid for users
800 my $user = DXUser->get_current($call);
801 $user = DXUser->new($call) if !$user;
802 $user->homenode($parent->call) if !$user->homenode;
803 $user->node($parent->call);
804 $user->lastin($main::systime) unless DXChannel->get($call);
807 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
821 eph_del_regex("^PC16\\^$ncall.*$ucall");
823 # do I want users from this channel?
824 unless ($self->user->wantpc16) {
825 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
828 if ($ncall eq $main::mycall) {
829 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
833 my $uref = Route::User::get($ucall);
835 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
837 my $parent = Route::Node::get($ncall);
839 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
842 $dxchan = $parent->dxchan if $parent;
843 if ($dxchan && $dxchan ne $self) {
844 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
848 # input filter if required and then remove user if present
850 # return unless $self->in_filter_route($parent);
851 $parent->del_user($uref) if $uref;
853 $parent = Route->new($ncall); # throw away
856 if (eph_dup($line)) {
857 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
861 $uref = Route->new($ucall) unless $uref; # throw away
862 $self->route_pc17($origin, $line, $parent, $uref);
872 $self->state('init');
874 # record the type and version offered
875 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
876 $self->version(53 + $1);
877 $self->user->version(53 + $1);
878 $self->build(0 + $2);
879 $self->user->build(0 + $2);
880 unless ($self->is_spider) {
881 $self->user->sort('S');
886 $self->version(50.0);
887 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
888 $self->user->version($self->version);
890 $self->newroute( $_[1] =~ /NewRoute/ );
892 # first clear out any nodes on this dxchannel
893 my $parent = Route::Node::get($self->{call});
894 my @rout = $parent->del_nodes;
895 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
896 $self->send_local_config();
900 # incoming cluster list
909 my $newline = "PC19^";
911 if (eph_dup($line)) {
912 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
919 # first get the INTERFACE node
920 my $parent = Route::Node::get($self->{call});
922 dbg("DXPROT: my parent $self->{call} has disappeared");
927 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
928 if ($origin ne $self->call) {
929 my $op = Route::Node::get($origin);
931 $op = $parent->add($origin, 5000, Route::here(1));
932 my $user = DXUser->get_current($origin);
934 $user = DXUser->new($origin);
936 $user->priv(1); # I have relented and defaulted nodes
938 $user->homenode($origin);
939 $user->node($origin);
940 $user->wantroutepc19(1);
948 for ($i = 1; $i < $#_-1; $i += 4) {
950 my $call = uc $_[$i+1];
953 next unless defined $here && defined $conf && is_callsign($call);
955 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
957 # check for sane parameters
958 # $ver = 5000 if $ver eq '0000';
959 next if $ver < 5000; # only works with version 5 software
960 next if length $call < 3; # min 3 letter callsigns
961 next if $call eq $main::mycall;
963 # check that this PC19 isn't trying to alter the wrong dxchan
964 my $dxchan = DXChannel->get($call);
965 if ($dxchan && $dxchan != $self) {
966 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
970 # add this station to the user database, if required (don't remove SSID from nodes)
971 my $user = DXUser->get_current($call);
973 $user = DXUser->new($call);
975 $user->priv(1); # I have relented and defaulted nodes
977 $user->homenode($call);
981 my $r = Route::Node::get($call);
982 my $flags = Route::here($here)|Route::conf($conf);
984 # modify the routing table if it is in it, otherwise store it in the pc19list for now
987 if ($call ne $parent->call) {
988 if ($self->in_filter_route($r)) {
989 $ar = $parent->add($call, $ver, $flags);
990 push @rout, $ar if $ar;
995 if ($r->version ne $ver || $r->flags != $flags) {
998 push @rout, $r unless $ar;
1002 # if he is directly connected or allowed then add him, otherwise store him up for later
1003 if ($call eq $self->{call} || $user->wantroutepc19) {
1004 my $new = Route->new($call); # throw away
1005 if ($self->in_filter_route($new)) {
1006 my $ar = $parent->add($call, $ver, $flags);
1007 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1008 push @rout, $ar if $ar;
1013 $pc19list{$call} = [] unless exists $pc19list{$call};
1014 my $nl = $pc19list{$call};
1015 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1019 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1020 my $mref = DXMsg::get_busy($call);
1021 $mref->stop_msg($call) if $mref;
1023 $user->lastin($main::systime) unless DXChannel->get($call);
1028 $self->route_pc19($origin, $line, @rout) if @rout;
1031 # send local configuration
1038 $self->send_local_config();
1039 $self->send(pc22());
1040 $self->state('normal');
1041 $self->{lastping} = 0;
1044 # delete a cluster from the list
1051 my $call = uc $_[1];
1053 eph_del_regex("^PC1[679].*$call");
1055 # if I get a PC21 from the same callsign as self then treat it
1056 # as a PC39: I have gone away
1057 if ($call eq $self->call) {
1058 $self->disconnect(1);
1062 # check to see if we are in the pc19list, if we are then don't bother with any of
1063 # this routing table manipulation, just remove it from the list and dump it
1065 if (my $nl = $pc19list{$call}) {
1066 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1067 delete $pc19list{$call} unless @{$pc19list{$call}};
1070 my $parent = Route::Node::get($self->{call});
1072 dbg("DXPROT: my parent $self->{call} has disappeared");
1076 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1077 my $node = Route::Node::get($call);
1080 my $dxchan = DXChannel->get($call);
1081 if ($dxchan && $dxchan != $self) {
1082 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1087 return unless $self->in_filter_route($node);
1090 push @rout, $node->del($parent);
1093 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1098 $self->route_pc21($origin, $line, @rout) if @rout;
1108 $self->state('normal');
1109 $self->{lastping} = 0;
1120 # route foreign' pc27s
1122 if ($_[8] ne $main::mycall) {
1123 $self->route($_[8], $line);
1128 # only do a rspf check on PC23 (not 27)
1130 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1134 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1135 my $sfi = unpad($_[3]);
1136 my $k = unpad($_[4]);
1137 my $i = unpad($_[5]);
1138 my ($r) = $_[6] =~ /R=(\d+)/;
1140 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1141 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1144 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1145 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1148 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1150 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1154 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1156 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1159 # DON'T be silly and send on PC27s!
1160 return if $pcno == 27;
1162 # broadcast to the eager world
1163 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1173 my $call = uc $_[1];
1175 $nref = Route::Node::get($call);
1176 $uref = Route::User::get($call);
1177 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1179 if (eph_dup($line)) {
1180 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1184 $nref->here($_[2]) if $nref;
1185 $uref->here($_[2]) if $uref;
1186 my $ref = $nref || $uref;
1187 return unless $self->in_filter_route($ref);
1189 $self->route_pc24($origin, $line, $ref, $_[3]);
1199 if ($_[1] ne $main::mycall) {
1200 $self->route($_[1], $line);
1203 if ($_[2] eq $main::mycall) {
1204 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1208 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1212 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1215 $self->send(pc26(@{$in}[0..4], $_[2]));
1221 my @in = reverse Geomag::search(0, $_[4], time, 1);
1224 $self->send(pc27(@{$in}[0..5], $_[2]));
1229 sub handle_26 {goto &handle_11}
1230 sub handle_27 {goto &handle_23}
1232 # mail/file handling
1239 if ($_[1] eq $main::mycall) {
1241 my $sub = "DXMsg::handle_$pcno";
1244 $self->route($_[1], $line) unless $self->is_clx;
1248 sub handle_29 {goto &handle_28}
1249 sub handle_30 {goto &handle_28}
1250 sub handle_31 {goto &handle_28}
1251 sub handle_32 {goto &handle_28}
1252 sub handle_33 {goto &handle_28}
1260 if (eph_dup($line, $eph_pc34_restime)) {
1261 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1263 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1267 # remote command replies
1274 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1275 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1278 sub handle_36 {goto &handle_34}
1287 if ($_[1] eq $main::mycall) {
1289 my $sub = "DXDb::handle_$pcno";
1292 $self->route($_[1], $line) unless $self->is_clx;
1296 # node connected list from neighbour
1305 # incoming disconnect
1312 if ($_[1] eq $self->{call}) {
1313 $self->disconnect(1);
1315 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1319 sub handle_40 {goto &handle_28}
1331 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1332 if (eph_dup($l, $eph_info_restime)) {
1333 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1337 # input filter if required
1338 # my $ref = Route::get($call) || Route->new($call);
1339 # return unless $self->in_filter_route($ref);
1341 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1342 dbg('PCPROT: invalid value') if isdbg('chanerr');
1346 # add this station to the user database, if required
1347 my $user = DXUser->get_current($call);
1348 $user = DXUser->new($call) unless $user;
1352 } elsif ($_[2] == 2) {
1354 } elsif ($_[2] == 3) {
1355 if (is_latlong($_[3])) {
1356 my ($lat, $long) = DXBearing::stoll($_[3]);
1359 $user->qra(DXBearing::lltoqra($lat, $long));
1361 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1364 } elsif ($_[2] == 4) {
1365 $user->homenode($_[3]);
1366 } elsif ($_[2] == 5) {
1367 if (is_qra(uc $_[3])) {
1368 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1371 $user->qra(uc $_[3]);
1373 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1377 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1380 unless ($self->{isolate}) {
1381 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1384 # perhaps this IS what we want after all
1385 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1388 sub handle_42 {goto &handle_28}
1392 sub handle_44 {goto &handle_37}
1393 sub handle_45 {goto &handle_37}
1394 sub handle_46 {goto &handle_37}
1395 sub handle_47 {goto &handle_37}
1396 sub handle_48 {goto &handle_37}
1398 # message and database
1406 if (eph_dup($line)) {
1407 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1411 if ($_[1] eq $main::mycall) {
1412 DXMsg::handle_49($self, @_);
1414 $self->route($_[1], $line) unless $self->is_clx;
1418 # keep alive/user list
1427 my $node = Route::Node::get($call);
1429 return unless $node->call eq $self->{call};
1430 $node->usercount($_[2]);
1432 # input filter if required
1433 return unless $self->in_filter_route($node);
1435 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1439 # incoming ping requests/answers
1452 if ($to eq $main::mycall) {
1454 $self->send(pc51($from, $to, '0'));
1456 # it's a reply, look in the ping list for this one
1457 my $ref = $pings{$from};
1459 my $tochan = DXChannel->get($from);
1461 my $r = shift @$ref;
1462 my $dxchan = DXChannel->get($r->{call});
1463 next unless $dxchan;
1464 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1465 if ($dxchan->is_user) {
1466 my $s = sprintf "%.2f", $t;
1467 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1468 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1469 } elsif ($dxchan->is_node) {
1471 my $nopings = $tochan->user->nopings || $obscount;
1472 push @{$tochan->{pingtime}}, $t;
1473 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1475 # cope with a missed ping, this means you must set the pingint large enough
1476 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1477 $t -= $tochan->{pingint};
1480 # calc smoothed RTT a la TCP
1481 if (@{$tochan->{pingtime}} == 1) {
1482 $tochan->{pingave} = $t;
1484 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1486 $tochan->{nopings} = $nopings; # pump up the timer
1493 if (eph_dup($line)) {
1494 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1497 # route down an appropriate thingy
1498 $self->route($to, $line);
1502 # New style routing handler
1510 return unless eph_dup($line);
1512 my ($sort, $hextime, $ncall) = @_[1,2,3];
1513 if ($ncall eq $main::mycall) {
1514 dbg("PCPROT: ignoring PC59 for me") if isdbg('chan');
1518 # mark myself as NewRoute if I get a PC59
1519 $self->{newroute} = 1 if $ncall eq $self->{call};
1521 # do this once for filtering with a throwaway routing entry if a new node
1522 my $fnode = Route::Node::get($ncall) || Route::new($ncall);
1523 return unless $self->in_filter_route($fnode);
1525 # now do it properly for actions
1526 my $node = Route::Node::get($ncall) || Route::Node::new($ncall);
1528 # find each of the entries (or create new ones)
1530 for my $ent (@_[4..-1]) {
1531 my ($esort, $ehere, $ecall) = unpack "A A A*", $ent;
1534 # create user, if required
1535 my $user = DXUser->get_current($ecall);
1537 $user = DXUser->new($ecall);
1539 $user->priv(1); # I have relented and defaulted nodes
1541 $user->homenode($call);
1544 if ($esort eq 'U') {
1545 $ref = Route::User::get($ecall);
1547 # create user, if required
1548 my $user = DXUser->get_current($ecall);
1550 $user = DXUser->new($ecall);
1552 $user->homenode($ncall);
1553 $user->node($ncall);
1556 $ref = Route::User::new($ecall, 0);
1558 } elsif ($esort eq 'N') {
1559 $ref = Route::Node::get($ecall);
1561 # create user, if required
1562 my $user = DXUser->get_current($ecall);
1564 $user = DXUser->new($ecall);
1565 $user->priv(1); # I have relented and defaulted nodes
1568 $user->homenode($ncall);
1569 $user->node($ncall);
1572 $ref = Route::Node::new($ecall, 0);
1575 dbg("DXPROT: unknown entity type '$esort' on $ecall for node $ncall") if isdbg('chan');
1578 $ref->here($here); # might as well set this here
1582 # if it is a delete or a configure, disconnect all the entries mentioned
1583 # from this node (which is a parent in this context).
1585 if ($sort eq 'D' || $sort eq 'C') {
1586 for my $ref (@refs) {
1587 next if $ref->call eq $ncall;
1588 if ($ref->isa('Route::Node')) {
1589 push @del, $ref->del($node);
1590 } elsif ($ref->isa('Route::User')) {
1591 push @del, $node->del_user($ref);
1596 # if it is an add or a configure, connect all the entries
1598 if ($sort eq 'A' || $sort eq 'C') {
1599 for my $ref (@refs) {
1600 next if $ref->call eq $ncall;
1601 if ($ref->isa('Route::Node')) {
1602 my $new = $node->add($ref->call);
1603 push @add, $new if $new;
1604 } elsif ($ref->isa('Route::User')) {
1605 push @add, $node->add_user($ref->call);
1612 # dunno but route it
1620 if ($call ne $main::mycall) {
1621 $self->route($call, $line);
1635 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1636 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1637 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1640 @_ = map { unpad($_) } @_;
1642 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1646 my $wcy = WCY::update($d, @_[2..12]);
1650 $rep = Local::wcy($self, @_[1..12]);
1652 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1655 # broadcast to the eager world
1656 send_wcy_spot($self, $line, $d, @_[2..12]);
1659 # remote commands (incoming)
1666 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1669 # remote command replies
1676 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1679 # if get here then rebroadcast the thing with its Hop count decremented (if
1680 # there is one). If it has a hop count and it decrements to zero then don't
1683 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1694 if (eph_dup($line)) {
1695 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1697 unless ($self->{isolate}) {
1698 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1704 # This is called from inside the main cluster processing loop and is used
1705 # for despatching commands that are doing some long processing job
1710 my @dxchan = DXChannel->get_all();
1714 # send out a pc50 on EVERY channel all at once
1715 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1716 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1721 foreach $dxchan (@dxchan) {
1722 next unless $dxchan->is_node();
1723 next if $dxchan == $main::me;
1726 $dxchan->send($pc50s) if $pc50s;
1728 # send a ping out on this channel
1729 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1730 if ($dxchan->{nopings} <= 0) {
1731 $dxchan->disconnect;
1733 addping($main::mycall, $dxchan->call);
1734 $dxchan->{nopings} -= 1;
1735 $dxchan->{lastping} = $t;
1741 if ($t - $last10 >= 10) {
1742 # clean out ephemera
1749 if ($main::systime - 3600 > $last_hour) {
1750 $last_hour = $main::systime;
1755 # finish up a pc context
1759 # some active measures
1767 my @dxchan = DXChannel->get_all();
1770 # send it if it isn't the except list and isn't isolated and still has a hop count
1771 # taking into account filtering and so on
1772 foreach $dxchan (@dxchan) {
1773 next if $dxchan == $main::me;
1774 next if $dxchan == $self && $self->is_node;
1775 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1783 my $isolate = shift;
1784 my ($filter, $hops);
1786 if ($self->{spotsfilter}) {
1787 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1788 return unless $filter;
1790 send_prot_line($self, $filter, $hops, $isolate, $line);
1795 my ($self, $filter, $hops, $isolate, $line) = @_;
1801 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1803 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1804 return unless $routeit;
1807 $self->send($routeit);
1809 $self->send($routeit) unless $self->{isolate} || $isolate;
1818 my @dxchan = DXChannel->get_all();
1820 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1822 # send it if it isn't the except list and isn't isolated and still has a hop count
1823 # taking into account filtering and so on
1824 foreach $dxchan (@dxchan) {
1825 next if $dxchan == $main::me;
1826 next if $dxchan == $self && $self->is_node;
1828 my ($filter, $hops);
1830 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1838 my $isolate = shift;
1839 my ($filter, $hops);
1841 if ($self->{wwvfilter}) {
1842 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1843 return unless $filter;
1845 send_prot_line($self, $filter, $hops, $isolate, $line)
1852 my @dxchan = DXChannel->get_all();
1854 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1856 # send it if it isn't the except list and isn't isolated and still has a hop count
1857 # taking into account filtering and so on
1858 foreach $dxchan (@dxchan) {
1859 next if $dxchan == $main::me;
1860 next if $dxchan == $self;
1862 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1870 my $isolate = shift;
1871 my ($filter, $hops);
1873 if ($self->{wcyfilter}) {
1874 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1875 return unless $filter;
1877 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1885 my @dxchan = DXChannel->get_all();
1889 my $text = unpad($_[2]);
1891 if ($_[3] eq '*') { # sysops
1893 } elsif ($_[3] gt ' ') { # speciality list handling
1894 my ($name) = split /\./, $_[3];
1895 $target = "$name"; # put the rest in later (if bothered)
1902 $target = "ALL" if !$target;
1905 # obtain country codes etc
1906 my @a = Prefix::cty_data($_[0]);
1907 my @b = Prefix::cty_data($_[4]);
1908 if ($self->{inannfilter}) {
1909 my ($filter, $hops) =
1910 $self->{inannfilter}->it(@_, $self->{call},
1912 @b[0..2], $a[3], $b[3]);
1914 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1919 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1920 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1924 Log('ann', $target, $_[0], $text);
1926 # send it if it isn't the except list and isn't isolated and still has a hop count
1927 # taking into account filtering and so on
1928 foreach $dxchan (@dxchan) {
1929 next if $dxchan == $main::me;
1930 next if $dxchan == $self && $self->is_node;
1931 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1932 @a[0..2], @b[0..2]);
1941 $msgid = 1 if $msgid > 999;
1950 my @dxchan = DXChannel->get_all();
1953 my $text = unpad($_[2]);
1956 # munge the group and recast the line if required
1957 if ($target =~ s/\.LST$//) {
1961 # obtain country codes etc
1962 my @a = Prefix::cty_data($_[0]);
1963 my @b = Prefix::cty_data($_[4]);
1964 if ($self->{inannfilter}) {
1965 my ($filter, $hops) =
1966 $self->{inannfilter}->it(@_, $self->{call},
1968 @b[0..2], $a[3], $b[3]);
1970 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1975 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1976 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1981 Log('chat', $target, $_[0], $text);
1983 # send it if it isn't the except list and isn't isolated and still has a hop count
1984 # taking into account filtering and so on
1985 foreach $dxchan (@dxchan) {
1986 my $is_ak1a = $dxchan->is_ak1a;
1988 if ($dxchan->is_node) {
1989 next if $dxchan == $main::me;
1990 next if $dxchan == $self;
1991 next unless $dxchan->is_spider || $is_ak1a;
1992 next if $target eq 'LOCAL';
1993 if (!$ak1a_line && $is_ak1a) {
1994 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1998 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1999 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
2007 my $isolate = shift;
2011 my ($filter, $hops);
2013 if ($self->{annfilter}) {
2014 ($filter, $hops) = $self->{annfilter}->it(@_);
2015 return unless $filter;
2017 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2026 sub send_local_config
2034 dbg('DXProt::send_local_config') if isdbg('trace');
2036 if ($self->{newroute}) {
2037 my @nodes = $self->{isolate} ? ($main::routeroot) : grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2038 my @users = DXChannel::get_all_users();
2039 $self->send_route($main::mycall, \&pc59c, @nodes+@users+1, (grep { Route::get($_) } $main::routeroot, @nodes, @users));
2042 if ($self->{isolate}) {
2043 @localnodes = ( $main::routeroot );
2044 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2046 # create a list of all the nodes that are not connected to this connection
2047 # and are not themselves isolated, this to make sure that isolated nodes
2048 # don't appear outside of this node
2050 # send locally connected nodes
2051 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2052 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2053 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2056 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2058 for $node (@rawintcalls) {
2059 push @intcalls, $node unless grep $node eq $_, @intcalls;
2061 my $ref = Route::Node::get($self->{call});
2062 my @rnodes = $ref->nodes;
2063 for $node (@intcalls) {
2064 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2066 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2069 # get all the users connected on the above nodes and send them out
2070 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2072 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2073 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2075 dbg("sent a null value") if isdbg('chanerr');
2082 # route a message down an appropriate interface for a callsign
2084 # is called route(to, pcline);
2088 my ($self, $call, $line) = @_;
2090 if (ref $self && $call eq $self->{call}) {
2091 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2095 # always send it down the local interface if available
2096 my $dxchan = DXChannel->get($call);
2098 my $cl = Route::get($call);
2099 $dxchan = $cl->dxchan if $cl;
2101 if (ref $self && $dxchan eq $self) {
2102 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2108 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2110 $dxchan->send($routeit) unless $dxchan == $main::me;
2113 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2118 # obtain the hops from the list for this callsign and pc no
2124 my $hops = $DXProt::hopcount{$pcno};
2125 $hops = $DXProt::def_hopcount if !$hops;
2130 # adjust the hop count on a per node basis using the user loadable
2131 # hop table if available or else decrement an existing one
2138 my $call = $self->{call};
2141 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2142 my ($pcno) = $s =~ /^PC(\d\d)/o;
2143 confess "$call called adjust_hops with '$s'" unless $pcno;
2144 my $ref = $nodehops{$call} if %nodehops;
2146 my $newhops = $ref->{$pcno};
2147 return "" if defined $newhops && $newhops == 0;
2148 $newhops = $ref->{default} unless $newhops;
2149 return "" if defined $newhops && $newhops == 0;
2150 $newhops = $hops if !$newhops;
2151 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2153 # simply decrement it
2155 return "" if !$hops;
2156 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2168 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2169 do "$main::data/hop_table.pl";
2175 # add a ping request to the ping queues
2178 my ($from, $to) = @_;
2179 my $ref = $pings{$to} || [];
2182 $r->{t} = [ gettimeofday ];
2183 route(undef, $to, pc51($to, $main::mycall, 1));
2190 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2191 if ($tonode eq $main::mycall) {
2192 my $ref = DXUser->get_current($fromnode);
2193 my $cref = Route::Node::get($fromnode);
2194 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2195 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2196 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2197 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2198 my $oldpriv = $self->{priv};
2199 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2200 my @in = (DXCommandmode::run_cmd($self, $cmd));
2201 $self->{priv} = $oldpriv;
2202 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2203 delete $self->{remotecmd};
2205 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2208 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2211 my $ref = DXUser->get_current($tonode);
2212 if ($ref && $ref->is_clx) {
2213 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2215 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2220 sub process_rcmd_reply
2222 my ($self, $tonode, $fromnode, $user, $line) = @_;
2223 if ($tonode eq $main::mycall) {
2224 my $s = $rcmds{$fromnode};
2226 my $dxchan = DXChannel->get($s->{call});
2227 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2228 $ref->send($line) if $ref;
2229 delete $rcmds{$fromnode} if !$dxchan;
2231 # send unsolicited ones to the sysop
2232 my $dxchan = DXChannel->get($main::myalias);
2233 $dxchan->send($line) if $dxchan;
2236 my $ref = DXUser->get_current($tonode);
2237 if ($ref && $ref->is_clx) {
2238 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2240 $self->route($tonode, pc35($fromnode, $tonode, $line));
2249 my $fromnode = shift;
2254 Log('rcmd', 'out', $fromnode, $line);
2255 if ($self->is_clx) {
2256 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2258 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2263 # add a rcmd request to the rcmd queues
2266 my ($self, $to, $cmd) = @_;
2269 $r->{call} = $self->{call};
2270 $r->{t} = $main::systime;
2274 my $ref = Route::Node::get($to);
2275 my $dxchan = $ref->dxchan;
2276 if ($dxchan && $dxchan->is_clx) {
2277 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2279 route(undef, $to, pc34($main::mycall, $to, $cmd));
2286 my $pc39flag = shift;
2287 my $call = $self->call;
2289 return if $self->{disconnecting}++;
2291 unless ($pc39flag && $pc39flag == 1) {
2292 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2295 # get rid of any PC16/17/19
2296 eph_del_regex("^PC1[679]*$call");
2298 # do routing stuff, remove me from routing table
2299 my $node = Route::Node::get($call);
2302 @rout = $node->del($main::routeroot);
2304 # and all my ephemera as well
2307 eph_del_regex("^PC1[679].*$c");
2311 # remove them from the pc19list as well
2312 while (my ($k,$v) = each %pc19list) {
2313 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2315 $pc19list{$k} = \@l;
2317 delete $pc19list{$k};
2321 eph_del_regex("^PC1[679].*$k");
2324 # unbusy and stop and outgoing mail
2325 my $mref = DXMsg::get_busy($call);
2326 $mref->stop_msg($call) if $mref;
2328 # broadcast to all other nodes that all the nodes connected to via me are gone
2329 unless ($pc39flag && $pc39flag == 2) {
2330 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2333 # remove outstanding pings
2334 delete $pings{$call};
2336 # I was the last node visited
2337 $self->user->node($main::mycall);
2339 # send info to all logged in thingies
2340 $self->tell_login('logoutn');
2342 Log('DXProt', $call . " Disconnected");
2344 $self->SUPER::disconnect;
2349 # send a talk message to this thingy
2353 my ($self, $from, $to, $via, $line, $origin) = @_;
2355 $line =~ s/\^/\\5E/g; # remove any ^ characters
2356 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2357 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2360 # send it if it isn't the except list and isn't isolated and still has a hop count
2361 # taking into account filtering and so on
2367 my $generate = shift;
2368 my $no = shift; # the no of things to filter on
2370 my ($filter, $hops);
2373 for (; @_ && $no; $no--) {
2376 if (!$self->{isolate} && $self->{routefilter}) {
2379 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
2383 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2386 dbg("was sent a null value") if isdbg('chanerr');
2389 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2393 foreach my $line (&$generate(@rin, @_)) {
2396 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2398 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2399 next unless $routeit;
2402 $self->send($routeit);
2411 my $generate = shift;
2413 my @dxchan = DXChannel::get_all_nodes();
2416 unless ($self->{isolate}) {
2417 foreach $dxchan (@dxchan) {
2418 next if $dxchan == $self;
2419 next if $dxchan == $main::me;
2420 next unless $dxchan->isa('DXProt');
2421 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2423 $dxchan->send_route($origin, $generate, @_);
2431 return unless $self->user->wantpc16;
2434 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2440 return unless $self->user->wantpc16;
2443 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2451 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2459 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2467 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2475 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2483 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2490 my ($filter, $hops) = (1, 1);
2492 if ($self->{inroutefilter}) {
2493 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
2494 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2502 my $t = shift || $eph_restime;
2506 $s =~ s/\^H\d\d?\^?\~?$//;
2507 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2508 $eph{$s} = $main::systime + $t;
2516 while (($key, $val) = each %eph) {
2517 if ($key =~ m{$regex}) {
2527 while (($key, $val) = each %eph) {
2528 if ($main::systime >= $val) {
2539 while (($key, $val) = each %eph) {
2540 push @out, $key, $val;
2547 goto &DXCommandmode::run_cmd;