3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
42 use vars qw($VERSION $BRANCH);
43 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
44 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
45 $main::build += $VERSION;
46 $main::branch += $BRANCH;
48 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
49 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
50 $pingint $obscount %pc19list $chatdupeage $chatimportfn
51 $investigation_int $pc19_version $myprot_version
52 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
53 $allowzero $decode_dk0wcy $send_opernam @checklist);
55 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
56 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
58 $last_hour = time; # last time I did an hourly periodic update
59 %pings = (); # outstanding ping requests outbound
60 %rcmds = (); # outstanding rcmd requests outbound
61 %nodehops = (); # node specific hop control
62 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
64 $censorpc = 1; # Do a BadWords::check on text fields and reject things
65 # loads of 'bad things'
66 $baddx = new DXHash "baddx";
67 $badspotter = new DXHash "badspotter";
68 $badnode = new DXHash "badnode";
69 $last10 = $last_pc50 = time;
73 $eph_info_restime = 60*60;
74 $eph_pc34_restime = 30;
77 $chatdupeage = 20 * 60 * 60;
78 $chatimportfn = "$main::root/chat_import";
79 $investigation_int = 12*60*60; # time between checks to see if we can see this node
80 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
84 [ qw(i c c m bp bc c) ], # pc10
85 [ qw(i f m d t m c c h) ], # pc11
86 [ qw(i c bm m bm bm p h) ], # pc12
90 undef , # pc16 has to be validated manually
91 [ qw(i c c h) ], # pc17
93 undef , # pc19 has to be validated manually
94 undef , # pc20 no validation
95 [ qw(i c m h) ], # pc21
96 undef , # pc22 no validation
97 [ qw(i d n n n n m c c h) ], # pc23
98 [ qw(i c p h) ], # pc24
99 [ qw(i c c n n) ], # pc25
100 [ qw(i f m d t m c c bc) ], # pc26
101 [ qw(i d n n n n m c c bc) ], # pc27
102 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
103 [ qw(i c c n m) ], # pc29
104 [ qw(i c c n) ], # pc30
105 [ qw(i c c n) ], # pc31
106 [ qw(i c c n) ], # pc32
107 [ qw(i c c n) ], # pc33
108 [ qw(i c c m) ], # pc34
109 [ qw(i c c m) ], # pc35
110 [ qw(i c c m) ], # pc36
111 [ qw(i c c n m) ], # pc37
112 undef, # pc38 not interested
113 [ qw(i c m) ], # pc39
114 [ qw(i c c m p n) ], # pc40
115 [ qw(i c n m h) ], # pc41
116 [ qw(i c c n) ], # pc42
117 undef, # pc43 don't handle it
118 [ qw(i c c n m m c) ], # pc44
119 [ qw(i c c n m) ], # pc45
120 [ qw(i c c n) ], # pc46
123 [ qw(i c m h) ], # pc49
124 [ qw(i c n h) ], # pc50
125 [ qw(i c c n) ], # pc51
147 [ qw(i d n n n n n n m m m c c h) ], # pc73
158 [ qw(i c c c m) ], # pc84
159 [ qw(i c c c m) ], # pc85
164 [ qw(i c n) ], # pc90
167 # use the entry in the check list to check the field list presented
168 # return OK if line NOT in check list (for now)
173 return 0 if $n < 0 || $n > @checklist;
174 my $ref = $checklist[$n];
175 return 0 unless ref $ref;
178 for ($i = 1; $i < @$ref; $i++) {
179 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
180 return 0 unless $act;
181 next if $blank && $_[$i] =~ /^[ \*]$/;
183 return $i unless is_callsign($_[$i]);
184 } elsif ($act eq 'i') {
186 } elsif ($act eq 'm') {
187 return $i unless is_pctext($_[$i]);
188 } elsif ($act eq 'p') {
189 return $i unless is_pcflag($_[$i]);
190 } elsif ($act eq 'f') {
191 return $i unless is_freq($_[$i]);
192 } elsif ($act eq 'n') {
193 return $i unless $_[$i] =~ /^[\d ]+$/;
194 } elsif ($act eq 'h') {
195 return $i unless $_[$i] =~ /^H\d\d?$/;
196 } elsif ($act eq 'd') {
197 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
198 } elsif ($act eq 't') {
199 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
207 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
210 my $user = DXUser->get($main::mycall);
211 die "User $main::mycall not setup or disappeared RTFM" unless $user;
213 $myprot_version += $main::version*100;
214 $main::me = DXProt->new($main::mycall, 0, $user);
215 $main::me->{here} = 1;
216 $main::me->{state} = "indifferent";
217 $main::me->{sort} = 'S'; # S for spider
218 $main::me->{priv} = 9;
219 $main::me->{metric} = 0;
220 $main::me->{pingave} = 0;
221 $main::me->{registered} = 1;
222 $main::me->{version} = $main::version;
223 $main::me->{build} = $main::build;
227 # obtain a new connection this is derived from dxchannel
232 my $self = DXChannel::alloc(@_);
234 # add this node to the table, the values get filled in later
237 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
242 # this is how a pc connection starts (for an incoming connection)
243 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
244 # all the crap that comes between).
247 my ($self, $line, $sort) = @_;
248 my $call = $self->{call};
249 my $user = $self->{user};
252 my $host = $self->{conn}->{peerhost} || "unknown";
253 Log('DXProt', "$call connected from $host");
255 # remember type of connection
256 $self->{consort} = $line;
257 $self->{outbound} = $sort eq 'O';
258 my $priv = $user->priv;
259 $priv = $user->priv(1) unless $priv;
260 $self->{priv} = $priv; # other clusters can always be 'normal' users
261 $self->{lang} = $user->lang || 'en';
262 $self->{isolate} = $user->{isolate};
263 $self->{consort} = $line; # save the connection type
267 # sort out registration
268 $self->{registered} = 1;
270 # get the output filters
271 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
272 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
273 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
274 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
275 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
278 # get the INPUT filters (these only pertain to Clusters)
279 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
280 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
281 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
282 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
283 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
285 # set unbuffered and no echo
286 $self->send_now('B',"0");
287 $self->send_now('E',"0");
288 $self->conn->echo(0) if $self->conn->can('echo');
290 # ping neighbour node stuff
291 my $ping = $user->pingint;
292 $ping = $pingint unless defined $ping;
293 $self->{pingint} = $ping;
294 $self->{nopings} = $user->nopings || $obscount;
295 $self->{pingtime} = [ ];
296 $self->{pingave} = 999;
297 $self->{metric} ||= 100;
298 $self->{lastping} = $main::systime;
300 # send initialisation string
301 unless ($self->{outbound}) {
305 $self->state('init');
306 $self->{pc50_t} = $main::systime;
308 # send info to all logged in thingies
309 $self->tell_login('loginn');
311 # run a script send the output to the debug file
312 my $script = new Script(lc $call) || new Script('node_default');
313 $script->run($self) if $script;
317 # send outgoing 'challenge'
328 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
329 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
337 # $self->SUPER::send($line);
342 # This is the normal pcxx despatcher
346 my ($self, $line) = @_;
348 # remove any incoming PC90 frames
351 my @field = split /\^/, $line;
352 return unless @field;
354 pop @field if $field[-1] eq '~';
356 # print join(',', @field), "\n";
359 # process PC frames, this will fail unless the frame starts PCnn
360 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
361 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
362 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
366 # check for and dump bad protocol messages
367 my $n = check($pcno, @field);
369 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
373 my $origin = $self->{call};
375 my $sub = "handle_$pcno";
377 if ($self->can($sub)) {
378 $self->$sub($pcno, $line, $origin, @field);
380 $self->handle_default($pcno, $line, $origin, @field);
384 # incoming talk commands
393 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
395 # will we allow it at all?
398 if (@bad = BadWords::check($_[3])) {
399 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
404 # is it for me or one of mine?
405 my ($from, $to, $via, $call, $dxchan);
414 # if this is a 'nodx' node then ignore it
415 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
416 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
420 # if this is a 'bad spotter' user then ignore it
422 $nossid =~ s/-\d+$//;
423 if ($badspotter->in($nossid)) {
424 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
428 # if we are converting announces to talk is it a dup?
430 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
431 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
436 # remember a route to this node and also the node on which this user is
437 RouteDB::update($_[6], $self->{call});
438 # RouteDB::update($to, $_[6]);
440 # it is here and logged on
441 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
442 $dxchan = DXChannel->get($to) unless $dxchan;
443 if ($dxchan && $dxchan->is_user) {
445 $dxchan->talk($from, $to, $via, $_[3]);
449 # is it elsewhere, visible on the cluster via the to address?
450 # note: this discards the via unless the to address is on
453 if ($ref = Route::get($to)) {
454 $vref = Route::Node::get($via) if $via;
455 $vref = undef unless $vref && grep $to eq $_, $vref->users;
456 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
460 # can we see an interface to send it down?
462 # not visible here, send a message of condolence
464 $ref = Route::get($from);
465 $vref = $ref = Route::Node::get($_[6]) unless $ref;
467 $dxchan = $ref->dxchan;
468 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
480 # route 'foreign' pc26s
482 if ($_[7] ne $main::mycall) {
483 $self->route($_[7], $line);
489 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
491 # if this is a 'nodx' node then ignore it
492 if ($badnode->in($_[7])) {
493 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
497 # if this is a 'bad spotter' user then ignore it
499 $nossid =~ s/-\d+$//;
500 if ($badspotter->in($nossid)) {
501 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
505 # convert the date to a unix date
506 my $d = cltounix($_[3], $_[4]);
507 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
508 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
509 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
514 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
515 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
520 $_[5] =~ s/^\s+//; # take any leading blanks off
521 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
522 if ($_[2] =~ /BUST\w*$/) {
523 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
528 if (@bad = BadWords::check($_[5])) {
529 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
535 # RouteDB::update($_[7], $self->{call});
536 # RouteDB::update($_[6], $_[7]);
538 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
539 # global spot filtering on INPUT
540 if ($self->{inspotsfilter}) {
541 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
543 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
548 # this goes after the input filtering, but before the add
549 # so that if it is input filtered, it isn't added to the dup
550 # list. This allows it to come in from a "legitimate" source
551 if (Spot::dup(@spot[0..4])) {
552 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
560 # @spot at this point contains:-
561 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
562 # then spotted itu, spotted cq, spotters itu, spotters cq
563 # you should be able to route on any of these
566 # fix up qra locators of known users
567 my $user = DXUser->get_current($spot[4]);
569 my $qra = $user->qra;
570 unless ($qra && is_qra($qra)) {
571 my $lat = $user->lat;
572 my $long = $user->long;
573 if (defined $lat && defined $long) {
574 $user->qra(DXBearing::lltoqra($lat, $long));
579 # send a remote command to a distant cluster if it is visible and there is no
580 # qra locator and we havn't done it for a month.
582 unless ($user->qra) {
584 my $to = $user->homenode;
585 my $last = $user->lastoper || 0;
586 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
587 my $cmd = "forward/opernam $spot[4]";
588 # send the rcmd but we aren't interested in the replies...
589 my $dxchan = $node->dxchan;
590 if ($dxchan && $dxchan->is_clx) {
591 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
593 route(undef, $to, pc34($main::mycall, $to, $cmd));
597 $node = Route::Node::get($to);
599 $dxchan = $node->dxchan;
600 if ($dxchan && $dxchan->is_clx) {
601 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
603 route(undef, $to, pc34($main::mycall, $to, $cmd));
607 $user->lastoper($main::systime);
616 $r = Local::spot($self, @spot);
618 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
621 # DON'T be silly and send on PC26s!
622 return if $pcno == 26;
624 # send out the filtered spots
625 send_dx_spot($self, $line, @spot) if @spot;
636 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
638 # announce duplicate checking
639 $_[3] =~ s/^\s+//; # remove leading blanks
643 if (@bad = BadWords::check($_[3])) {
644 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
649 # if this is a 'nodx' node then ignore it
650 if ($badnode->in($_[5])) {
651 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
655 # if this is a 'bad spotter' user then ignore it
657 $nossid =~ s/-\d+$//;
658 if ($badspotter->in($nossid)) {
659 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
666 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
667 $self->send_chat($line, @_[1..6]);
668 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
671 # RouteDB::update($_[5], $self->{call});
672 # RouteDB::update($_[1], $_[5]);
674 # ignore something that looks like a chat line coming in with sysop
675 # flag - this is a kludge...
676 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
677 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
681 # here's a bit of fun, convert incoming ann with a callsign in the first word
682 # or one saying 'to <call>' to a talk if we can route to the recipient
684 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
686 my $ref = Route::get($call);
688 $dxchan = $ref->dxchan;
689 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
696 $self->send_announce($line, @_[1..6]);
698 $self->route($_[2], $line);
713 my $newline = "PC16^";
715 # dos I want users from this channel?
716 unless ($self->user->wantpc16) {
717 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
721 if ($ncall eq $main::mycall) {
722 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
726 RouteDB::update($ncall, $self->{call});
728 # do we believe this call?
729 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
730 if (my $ivp = Investigate::get($ncall, $self->{call})) {
731 $ivp->store_pcxx($pcno,$line,$origin,@_);
733 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
738 if (eph_dup($line)) {
739 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
743 my $parent = Route::Node::get($ncall);
745 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
746 # fix it up in the routing tables and issue it forth before the PC16
748 my $nl = $pc19list{$ncall};
750 if ($nl && @_ > 3) { # 3 because of the hop count!
752 # this is a new (remembered) node, now attach it to me if it isn't in filtered
753 # and we haven't disallowed it
754 my $user = DXUser->get_current($ncall);
756 $user = DXUser->new($ncall);
758 $user->priv(1); # I have relented and defaulted nodes
760 $user->homenode($ncall);
764 my $wantpc19 = $user->wantroutepc19;
765 if ($wantpc19 || !defined $wantpc19) {
766 my $new = Route->new($ncall); # throw away
767 if ($self->in_filter_route($new)) {
770 $parent = Route::Node::get($_->[0]);
771 $dxchan = $parent->dxchan if $parent;
772 if ($dxchan && $dxchan ne $self) {
773 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
777 my $r = $parent->add($ncall, $_->[1], $_->[2]);
778 push @nrout, $r unless @nrout;
781 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
782 $user->lastin($main::systime) unless DXChannel->get($ncall);
785 # route the pc19 - this will cause 'stuttering PC19s' for a while
786 $self->route_pc19($origin, $line, @nrout) if @nrout ;
787 $parent = Route::Node::get($ncall);
789 dbg("PCPROT: lost $ncall after sending PC19 for it?");
795 delete $pc19list{$ncall};
798 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
803 $dxchan = $parent->dxchan;
804 if ($dxchan && $dxchan ne $self) {
805 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
809 # input filter if required
810 return unless $self->in_filter_route($parent);
815 for ($i = 2; $i < $#_; $i++) {
816 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
817 next unless $call && $conf && defined $here && is_callsign($call);
818 next if $call eq $main::mycall;
820 eph_del_regex("^PC17\\^$call\\^$ncall");
822 $conf = $conf eq '*';
824 # reject this if we think it is a node already
825 my $r = Route::Node::get($call);
826 my $u = DXUser->get_current($call) unless $r;
827 if ($r || ($u && $u->is_node)) {
828 dbg("PCPROT: $call is a node") if isdbg('chanerr');
832 $r = Route::User::get($call);
833 my $flags = Route::here($here)|Route::conf($conf);
836 my $au = $r->addparent($parent);
837 if ($r->flags != $flags) {
841 push @rout, $r if $au;
843 push @rout, $parent->add_user($call, $flags);
847 # add this station to the user database, if required
848 $call =~ s/-\d+$//o; # remove ssid for users
849 my $user = DXUser->get_current($call);
850 $user = DXUser->new($call) if !$user;
851 $user->homenode($parent->call) if !$user->homenode;
852 $user->node($parent->call);
853 $user->lastin($main::systime) unless DXChannel->get($call);
856 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
870 eph_del_regex("^PC16\\^$ncall.*$ucall");
872 # do I want users from this channel?
873 unless ($self->user->wantpc16) {
874 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
877 if ($ncall eq $main::mycall) {
878 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
882 RouteDB::delete($ncall, $self->{call});
884 # do we believe this call?
885 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
886 if (my $ivp = Investigate::get($ncall, $self->{call})) {
887 $ivp->store_pcxx($pcno,$line,$origin,@_);
889 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
894 my $uref = Route::User::get($ucall);
896 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
898 my $parent = Route::Node::get($ncall);
900 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
903 $dxchan = $parent->dxchan if $parent;
904 if ($dxchan && $dxchan ne $self) {
905 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
909 # input filter if required and then remove user if present
911 # return unless $self->in_filter_route($parent);
912 $parent->del_user($uref) if $uref;
914 $parent = Route->new($ncall); # throw away
917 if (eph_dup($line)) {
918 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
922 $uref = Route->new($ucall) unless $uref; # throw away
923 $self->route_pc17($origin, $line, $parent, $uref);
933 $self->state('init');
935 # record the type and version offered
936 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
937 $self->version(53 + $1);
938 $self->user->version(53 + $1);
939 $self->build(0 + $2);
940 $self->user->build(0 + $2);
941 unless ($self->is_spider) {
942 $self->user->sort('S');
947 $self->version(50.0);
948 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
949 $self->user->version($self->version);
952 # first clear out any nodes on this dxchannel
953 my $parent = Route::Node::get($self->{call});
954 my @rout = $parent->del_nodes;
955 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
956 $self->send_local_config();
960 # incoming cluster list
969 my $newline = "PC19^";
974 # first get the INTERFACE node
975 my $parent = Route::Node::get($self->{call});
977 dbg("DXPROT: my parent $self->{call} has disappeared");
982 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
983 if ($origin ne $self->call) {
984 my $op = Route::Node::get($origin);
986 $op = $parent->add($origin, 5000, Route::here(1));
987 my $user = DXUser->get_current($origin);
989 $user = DXUser->new($origin);
990 $user->priv(1); # I have relented and defaulted nodes
992 $user->homenode($origin);
993 $user->node($origin);
994 $user->wantroutepc19(1);
996 $user->sort('A') unless $user->is_node;
1003 for ($i = 1; $i < $#_-1; $i += 4) {
1005 my $call = uc $_[$i+1];
1006 my $conf = $_[$i+2];
1008 next unless defined $here && defined $conf && is_callsign($call);
1010 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1012 # check for sane parameters
1013 # $ver = 5000 if $ver eq '0000';
1014 next if $ver < 5000; # only works with version 5 software
1015 next if length $call < 3; # min 3 letter callsigns
1016 next if $call eq $main::mycall;
1018 # check that this PC19 isn't trying to alter the wrong dxchan
1019 my $dxchan = DXChannel->get($call);
1020 if ($dxchan && $dxchan != $self) {
1021 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1025 # add this station to the user database, if required (don't remove SSID from nodes)
1026 my $user = DXUser->get_current($call);
1028 $user = DXUser->new($call);
1029 $user->priv(1); # I have relented and defaulted nodes
1031 $user->homenode($call);
1034 $user->sort('A') unless $user->is_node;
1036 RouteDB::update($call, $self->{call});
1038 # do we believe this call?
1039 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1040 unless ($call eq $self->{call} || $self->is_believed($call)) {
1041 my $pt = $user->lastping($self->{call}) || 0;
1042 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1043 my $ivp = Investigate->new($call, $self->{call});
1044 $ivp->version($ver);
1046 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1048 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1054 if (eph_dup($genline)) {
1055 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1059 my $r = Route::Node::get($call);
1060 my $flags = Route::here($here)|Route::conf($conf);
1062 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1065 if ($call ne $parent->call) {
1066 if ($self->in_filter_route($r)) {
1067 $ar = $parent->add($call, $ver, $flags);
1068 push @rout, $ar if $ar;
1073 if ($r->version ne $ver || $r->flags != $flags) {
1076 push @rout, $r unless $ar;
1080 # if he is directly connected or allowed then add him, otherwise store him up for later
1081 if ($call eq $self->{call} || $user->wantroutepc19) {
1082 my $new = Route->new($call); # throw away
1083 if ($self->in_filter_route($new)) {
1084 my $ar = $parent->add($call, $ver, $flags);
1085 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1086 push @rout, $ar if $ar;
1091 $pc19list{$call} = [] unless exists $pc19list{$call};
1092 my $nl = $pc19list{$call};
1093 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1097 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1098 my $mref = DXMsg::get_busy($call);
1099 $mref->stop_msg($call) if $mref;
1101 $user->lastin($main::systime) unless DXChannel->get($call);
1106 $self->route_pc19($origin, $line, @rout) if @rout;
1109 # send local configuration
1116 $self->send_local_config();
1117 $self->send(pc22());
1118 $self->state('normal');
1119 $self->{lastping} = 0;
1122 # delete a cluster from the list
1129 my $call = uc $_[1];
1131 eph_del_regex("^PC1[679].*$call");
1133 # if I get a PC21 from the same callsign as self then treat it
1134 # as a PC39: I have gone away
1135 if ($call eq $self->call) {
1136 $self->disconnect(1);
1140 RouteDB::delete($call, $self->{call});
1142 # check if we believe this
1143 unless ($call eq $self->{call} || $self->is_believed($call)) {
1144 if (my $ivp = Investigate::get($call, $self->{call})) {
1145 $ivp->store_pcxx($pcno,$line,$origin,@_);
1147 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1152 # check to see if we are in the pc19list, if we are then don't bother with any of
1153 # this routing table manipulation, just remove it from the list and dump it
1155 if (my $nl = $pc19list{$call}) {
1156 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1157 delete $pc19list{$call} unless @{$pc19list{$call}};
1160 my $parent = Route::Node::get($self->{call});
1162 dbg("DXPROT: my parent $self->{call} has disappeared");
1166 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1167 my $node = Route::Node::get($call);
1170 my $dxchan = DXChannel->get($call);
1171 if ($dxchan && $dxchan != $self) {
1172 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1177 return unless $self->in_filter_route($node);
1180 push @rout, $node->del($parent);
1183 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1188 $self->route_pc21($origin, $line, @rout) if @rout;
1198 $self->state('normal');
1199 $self->{lastping} = 0;
1210 # route foreign' pc27s
1212 if ($_[8] ne $main::mycall) {
1213 $self->route($_[8], $line);
1218 # only do a rspf check on PC23 (not 27)
1220 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1224 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1225 my $sfi = unpad($_[3]);
1226 my $k = unpad($_[4]);
1227 my $i = unpad($_[5]);
1228 my ($r) = $_[6] =~ /R=(\d+)/;
1230 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1231 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1234 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1235 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1238 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1240 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1244 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1246 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1249 # DON'T be silly and send on PC27s!
1250 return if $pcno == 27;
1252 # broadcast to the eager world
1253 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1263 my $call = uc $_[1];
1265 $nref = Route::Node::get($call);
1266 $uref = Route::User::get($call);
1267 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1269 if (eph_dup($line)) {
1270 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1274 $nref->here($_[2]) if $nref;
1275 $uref->here($_[2]) if $uref;
1276 my $ref = $nref || $uref;
1277 return unless $self->in_filter_route($ref);
1279 $self->route_pc24($origin, $line, $ref, $_[3]);
1289 if ($_[1] ne $main::mycall) {
1290 $self->route($_[1], $line);
1293 if ($_[2] eq $main::mycall) {
1294 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1298 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1302 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1305 $self->send(pc26(@{$in}[0..4], $_[2]));
1311 my @in = reverse Geomag::search(0, $_[4], time, 1);
1314 $self->send(pc27(@{$in}[0..5], $_[2]));
1319 sub handle_26 {goto &handle_11}
1320 sub handle_27 {goto &handle_23}
1322 # mail/file handling
1329 if ($_[1] eq $main::mycall) {
1331 my $sub = "DXMsg::handle_$pcno";
1334 $self->route($_[1], $line) unless $self->is_clx;
1338 sub handle_29 {goto &handle_28}
1339 sub handle_30 {goto &handle_28}
1340 sub handle_31 {goto &handle_28}
1341 sub handle_32 {goto &handle_28}
1342 sub handle_33 {goto &handle_28}
1350 if (eph_dup($line, $eph_pc34_restime)) {
1351 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1353 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1357 # remote command replies
1364 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1365 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1368 sub handle_36 {goto &handle_34}
1377 if ($_[1] eq $main::mycall) {
1379 my $sub = "DXDb::handle_$pcno";
1382 $self->route($_[1], $line) unless $self->is_clx;
1386 # node connected list from neighbour
1395 # incoming disconnect
1402 if ($_[1] eq $self->{call}) {
1403 $self->disconnect(1);
1405 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1409 sub handle_40 {goto &handle_28}
1421 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1422 if (eph_dup($l, $eph_info_restime)) {
1423 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1427 # input filter if required
1428 # my $ref = Route::get($call) || Route->new($call);
1429 # return unless $self->in_filter_route($ref);
1431 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1432 dbg('PCPROT: invalid value') if isdbg('chanerr');
1436 # add this station to the user database, if required
1437 my $user = DXUser->get_current($call);
1438 $user = DXUser->new($call) unless $user;
1442 } elsif ($_[2] == 2) {
1444 } elsif ($_[2] == 3) {
1445 if (is_latlong($_[3])) {
1446 my ($lat, $long) = DXBearing::stoll($_[3]);
1449 $user->qra(DXBearing::lltoqra($lat, $long));
1451 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1454 } elsif ($_[2] == 4) {
1455 $user->homenode($_[3]);
1456 } elsif ($_[2] == 5) {
1457 if (is_qra(uc $_[3])) {
1458 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1461 $user->qra(uc $_[3]);
1463 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1467 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1470 unless ($self->{isolate}) {
1471 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1474 # perhaps this IS what we want after all
1475 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1478 sub handle_42 {goto &handle_28}
1482 sub handle_44 {goto &handle_37}
1483 sub handle_45 {goto &handle_37}
1484 sub handle_46 {goto &handle_37}
1485 sub handle_47 {goto &handle_37}
1486 sub handle_48 {goto &handle_37}
1488 # message and database
1496 if (eph_dup($line)) {
1497 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1501 if ($_[1] eq $main::mycall) {
1502 DXMsg::handle_49($self, @_);
1504 $self->route($_[1], $line) unless $self->is_clx;
1508 # keep alive/user list
1518 RouteDB::update($call, $self->{call});
1520 my $node = Route::Node::get($call);
1522 return unless $node->call eq $self->{call};
1523 $node->usercount($_[2]);
1525 # input filter if required
1526 return unless $self->in_filter_route($node);
1528 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1532 # incoming ping requests/answers
1545 if ($to eq $main::mycall) {
1547 $self->send(pc51($from, $to, '0'));
1549 # it's a reply, look in the ping list for this one
1550 my $ref = $pings{$from};
1552 my $tochan = DXChannel->get($from);
1554 my $r = shift @$ref;
1555 my $dxchan = DXChannel->get($r->{call});
1556 next unless $dxchan;
1557 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1558 if ($dxchan->is_user) {
1559 my $s = sprintf "%.2f", $t;
1560 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1561 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1562 } elsif ($dxchan->is_node) {
1564 my $nopings = $tochan->user->nopings || $obscount;
1565 push @{$tochan->{pingtime}}, $t;
1566 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1568 # cope with a missed ping, this means you must set the pingint large enough
1569 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1570 $t -= $tochan->{pingint};
1573 # calc smoothed RTT a la TCP
1574 if (@{$tochan->{pingtime}} == 1) {
1575 $tochan->{pingave} = $t;
1577 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1579 $tochan->{nopings} = $nopings; # pump up the timer
1580 if (my $ivp = Investigate::get($from, $self->{call})) {
1583 } elsif (my $rref = Route::Node::get($r->{call})) {
1584 if (my $ivp = Investigate::get($from, $self->{call})) {
1594 RouteDB::update($from, $self->{call});
1596 if (eph_dup($line)) {
1597 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1600 # route down an appropriate thingy
1601 $self->route($to, $line);
1605 # dunno but route it
1613 if ($call ne $main::mycall) {
1614 $self->route($call, $line);
1628 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1629 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1630 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1633 @_ = map { unpad($_) } @_;
1635 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1639 my $wcy = WCY::update($d, @_[2..12]);
1643 $rep = Local::wcy($self, @_[1..12]);
1645 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1648 # broadcast to the eager world
1649 send_wcy_spot($self, $line, $d, @_[2..12]);
1652 # remote commands (incoming)
1659 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1662 # remote command replies
1669 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1672 # if get here then rebroadcast the thing with its Hop count decremented (if
1673 # there is one). If it has a hop count and it decrements to zero then don't
1676 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1687 if (eph_dup($line)) {
1688 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1690 unless ($self->{isolate}) {
1691 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1697 # This is called from inside the main cluster processing loop and is used
1698 # for despatching commands that are doing some long processing job
1703 my @dxchan = DXChannel->get_all();
1707 # send out a pc50 on EVERY channel all at once
1708 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1709 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1714 foreach $dxchan (@dxchan) {
1715 next unless $dxchan->is_node();
1716 next if $dxchan == $main::me;
1719 $dxchan->send($pc50s) if $pc50s;
1721 # send a ping out on this channel
1722 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1723 if ($dxchan->{nopings} <= 0) {
1724 $dxchan->disconnect;
1726 addping($main::mycall, $dxchan->call);
1727 $dxchan->{nopings} -= 1;
1728 $dxchan->{lastping} = $t;
1733 Investigate::process();
1736 if ($t - $last10 >= 10) {
1737 # clean out ephemera
1746 if ($main::systime - 3600 > $last_hour) {
1747 $last_hour = $main::systime;
1752 # finish up a pc context
1756 # some active measures
1764 my @dxchan = DXChannel->get_all();
1767 # send it if it isn't the except list and isn't isolated and still has a hop count
1768 # taking into account filtering and so on
1769 foreach $dxchan (@dxchan) {
1770 next if $dxchan == $main::me;
1771 next if $dxchan == $self && $self->is_node;
1772 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1780 my $isolate = shift;
1781 my ($filter, $hops);
1783 if ($self->{spotsfilter}) {
1784 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1785 return unless $filter;
1787 send_prot_line($self, $filter, $hops, $isolate, $line);
1792 my ($self, $filter, $hops, $isolate, $line) = @_;
1798 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1800 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1801 return unless $routeit;
1804 $self->send($routeit);
1806 $self->send($routeit) unless $self->{isolate} || $isolate;
1815 my @dxchan = DXChannel->get_all();
1817 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1819 # send it if it isn't the except list and isn't isolated and still has a hop count
1820 # taking into account filtering and so on
1821 foreach $dxchan (@dxchan) {
1822 next if $dxchan == $main::me;
1823 next if $dxchan == $self && $self->is_node;
1825 my ($filter, $hops);
1827 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1835 my $isolate = shift;
1836 my ($filter, $hops);
1838 if ($self->{wwvfilter}) {
1839 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1840 return unless $filter;
1842 send_prot_line($self, $filter, $hops, $isolate, $line)
1849 my @dxchan = DXChannel->get_all();
1851 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1853 # send it if it isn't the except list and isn't isolated and still has a hop count
1854 # taking into account filtering and so on
1855 foreach $dxchan (@dxchan) {
1856 next if $dxchan == $main::me;
1857 next if $dxchan == $self;
1859 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1867 my $isolate = shift;
1868 my ($filter, $hops);
1870 if ($self->{wcyfilter}) {
1871 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1872 return unless $filter;
1874 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1882 my @dxchan = DXChannel->get_all();
1886 my $text = unpad($_[2]);
1888 if ($_[3] eq '*') { # sysops
1890 } elsif ($_[3] gt ' ') { # speciality list handling
1891 my ($name) = split /\./, $_[3];
1892 $target = "$name"; # put the rest in later (if bothered)
1899 $target = "ALL" if !$target;
1902 # obtain country codes etc
1903 my @a = Prefix::cty_data($_[0]);
1904 my @b = Prefix::cty_data($_[4]);
1905 if ($self->{inannfilter}) {
1906 my ($filter, $hops) =
1907 $self->{inannfilter}->it(@_, $self->{call},
1909 @b[0..2], $a[3], $b[3]);
1911 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1916 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1917 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1921 Log('ann', $target, $_[0], $text);
1923 # send it if it isn't the except list and isn't isolated and still has a hop count
1924 # taking into account filtering and so on
1925 foreach $dxchan (@dxchan) {
1926 next if $dxchan == $main::me;
1927 next if $dxchan == $self && $self->is_node;
1928 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1929 @a[0..2], @b[0..2]);
1938 $msgid = 1 if $msgid > 999;
1947 my @dxchan = DXChannel->get_all();
1950 my $text = unpad($_[2]);
1953 # munge the group and recast the line if required
1954 if ($target =~ s/\.LST$//) {
1958 # obtain country codes etc
1959 my @a = Prefix::cty_data($_[0]);
1960 my @b = Prefix::cty_data($_[4]);
1961 if ($self->{inannfilter}) {
1962 my ($filter, $hops) =
1963 $self->{inannfilter}->it(@_, $self->{call},
1965 @b[0..2], $a[3], $b[3]);
1967 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1972 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1973 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1978 Log('chat', $target, $_[0], $text);
1980 # send it if it isn't the except list and isn't isolated and still has a hop count
1981 # taking into account filtering and so on
1982 foreach $dxchan (@dxchan) {
1983 my $is_ak1a = $dxchan->is_ak1a;
1985 if ($dxchan->is_node) {
1986 next if $dxchan == $main::me;
1987 next if $dxchan == $self;
1988 next unless $dxchan->is_spider || $is_ak1a;
1989 next if $target eq 'LOCAL';
1990 if (!$ak1a_line && $is_ak1a) {
1991 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1995 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1996 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
2004 my $isolate = shift;
2008 my ($filter, $hops);
2010 if ($self->{annfilter}) {
2011 ($filter, $hops) = $self->{annfilter}->it(@_);
2012 return unless $filter;
2014 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2023 sub send_local_config
2031 dbg('DXProt::send_local_config') if isdbg('trace');
2034 if ($self->{isolate}) {
2035 @localnodes = ( $main::routeroot );
2036 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2038 # create a list of all the nodes that are not connected to this connection
2039 # and are not themselves isolated, this to make sure that isolated nodes
2040 # don't appear outside of this node
2042 # send locally connected nodes
2043 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2044 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2045 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2048 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2050 for $node (@rawintcalls) {
2051 push @intcalls, $node unless grep $node eq $_, @intcalls;
2053 my $ref = Route::Node::get($self->{call});
2054 my @rnodes = $ref->nodes;
2055 for $node (@intcalls) {
2056 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2058 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2061 # get all the users connected on the above nodes and send them out
2062 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2064 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2065 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2067 dbg("sent a null value") if isdbg('chanerr');
2073 # route a message down an appropriate interface for a callsign
2075 # is called route(to, pcline);
2080 my ($self, $call, $line) = @_;
2082 if (ref $self && $call eq $self->{call}) {
2083 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2087 # always send it down the local interface if available
2088 my $dxchan = DXChannel->get($call);
2090 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2092 my $cl = Route::get($call);
2093 $dxchan = $cl->dxchan if $cl;
2095 if (ref $self && $dxchan eq $self) {
2096 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2099 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2103 # try the backstop method
2105 my $rcall = RouteDB::get($call);
2107 if ($self && $rcall eq $self->{call}) {
2108 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2111 $dxchan = DXChannel->get($rcall);
2112 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2117 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2119 $dxchan->send($routeit) unless $dxchan == $main::me;
2122 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2127 # obtain the hops from the list for this callsign and pc no
2133 my $hops = $DXProt::hopcount{$pcno};
2134 $hops = $DXProt::def_hopcount if !$hops;
2139 # adjust the hop count on a per node basis using the user loadable
2140 # hop table if available or else decrement an existing one
2147 my $call = $self->{call};
2150 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2151 my ($pcno) = $s =~ /^PC(\d\d)/o;
2152 confess "$call called adjust_hops with '$s'" unless $pcno;
2153 my $ref = $nodehops{$call} if %nodehops;
2155 my $newhops = $ref->{$pcno};
2156 return "" if defined $newhops && $newhops == 0;
2157 $newhops = $ref->{default} unless $newhops;
2158 return "" if defined $newhops && $newhops == 0;
2159 $newhops = $hops if !$newhops;
2160 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2162 # simply decrement it
2164 return "" if !$hops;
2165 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2177 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2178 do "$main::data/hop_table.pl";
2184 # add a ping request to the ping queues
2187 my ($from, $to, $via) = @_;
2188 my $ref = $pings{$to} || [];
2191 $r->{t} = [ gettimeofday ];
2192 if ($via && (my $dxchan = DXChannel->get($via))) {
2193 $dxchan->send(pc51($to, $main::mycall, 1));
2195 route(undef, $to, pc51($to, $main::mycall, 1));
2199 my $u = DXUser->get_current($to);
2201 $u->lastping(($via || $from), $main::systime);
2208 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2209 if ($tonode eq $main::mycall) {
2210 my $ref = DXUser->get_current($fromnode);
2211 my $cref = Route::Node::get($fromnode);
2212 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2213 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2214 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2215 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2216 my $oldpriv = $self->{priv};
2217 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2218 my @in = (DXCommandmode::run_cmd($self, $cmd));
2219 $self->{priv} = $oldpriv;
2220 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2221 delete $self->{remotecmd};
2223 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2226 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2229 my $ref = DXUser->get_current($tonode);
2230 if ($ref && $ref->is_clx) {
2231 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2233 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2238 sub process_rcmd_reply
2240 my ($self, $tonode, $fromnode, $user, $line) = @_;
2241 if ($tonode eq $main::mycall) {
2242 my $s = $rcmds{$fromnode};
2244 my $dxchan = DXChannel->get($s->{call});
2245 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2246 $ref->send($line) if $ref;
2247 delete $rcmds{$fromnode} if !$dxchan;
2249 # send unsolicited ones to the sysop
2250 my $dxchan = DXChannel->get($main::myalias);
2251 $dxchan->send($line) if $dxchan;
2254 my $ref = DXUser->get_current($tonode);
2255 if ($ref && $ref->is_clx) {
2256 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2258 $self->route($tonode, pc35($fromnode, $tonode, $line));
2267 my $fromnode = shift;
2272 Log('rcmd', 'out', $fromnode, $line);
2273 if ($self->is_clx) {
2274 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2276 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2281 # add a rcmd request to the rcmd queues
2284 my ($self, $to, $cmd) = @_;
2287 $r->{call} = $self->{call};
2288 $r->{t} = $main::systime;
2292 my $ref = Route::Node::get($to);
2293 my $dxchan = $ref->dxchan;
2294 if ($dxchan && $dxchan->is_clx) {
2295 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2297 route(undef, $to, pc34($main::mycall, $to, $cmd));
2304 my $pc39flag = shift;
2305 my $call = $self->call;
2307 return if $self->{disconnecting}++;
2309 unless ($pc39flag && $pc39flag == 1) {
2310 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2313 # get rid of any PC16/17/19
2314 eph_del_regex("^PC1[679]*$call");
2316 # do routing stuff, remove me from routing table
2317 my $node = Route::Node::get($call);
2320 @rout = $node->del($main::routeroot);
2322 # and all my ephemera as well
2325 eph_del_regex("^PC1[679].*$c");
2329 RouteDB::delete_interface($call);
2331 # remove them from the pc19list as well
2332 while (my ($k,$v) = each %pc19list) {
2333 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2335 $pc19list{$k} = \@l;
2337 delete $pc19list{$k};
2341 eph_del_regex("^PC1[679].*$k");
2344 # unbusy and stop and outgoing mail
2345 my $mref = DXMsg::get_busy($call);
2346 $mref->stop_msg($call) if $mref;
2348 # broadcast to all other nodes that all the nodes connected to via me are gone
2349 unless ($pc39flag && $pc39flag == 2) {
2350 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2353 # remove outstanding pings
2354 delete $pings{$call};
2356 # I was the last node visited
2357 $self->user->node($main::mycall);
2359 # send info to all logged in thingies
2360 $self->tell_login('logoutn');
2362 Log('DXProt', $call . " Disconnected");
2364 $self->SUPER::disconnect;
2369 # send a talk message to this thingy
2373 my ($self, $from, $to, $via, $line, $origin) = @_;
2375 $line =~ s/\^/\\5E/g; # remove any ^ characters
2376 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2377 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2380 # send it if it isn't the except list and isn't isolated and still has a hop count
2381 # taking into account filtering and so on
2387 my $generate = shift;
2388 my $no = shift; # the no of things to filter on
2390 my ($filter, $hops);
2393 for (; @_ && $no; $no--) {
2396 if (!$self->{isolate} && $self->{routefilter}) {
2399 ($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});
2403 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2406 dbg("was sent a null value") if isdbg('chanerr');
2409 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2413 foreach my $line (&$generate(@rin, @_)) {
2416 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2418 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2419 next unless $routeit;
2422 $self->send($routeit);
2431 my $generate = shift;
2433 my @dxchan = DXChannel::get_all_nodes();
2436 unless ($self->{isolate}) {
2437 foreach $dxchan (@dxchan) {
2438 next if $dxchan == $self;
2439 next if $dxchan == $main::me;
2440 next unless $dxchan->isa('DXProt');
2441 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2443 $dxchan->send_route($origin, $generate, @_);
2451 return unless $self->user->wantpc16;
2454 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2460 return unless $self->user->wantpc16;
2463 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2471 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2479 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2487 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2495 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2503 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2510 my ($filter, $hops) = (1, 1);
2512 if ($self->{inroutefilter}) {
2513 ($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);
2514 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2522 my $t = shift || $eph_restime;
2526 $s =~ s/\^H\d\d?\^?\~?$//;
2527 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2528 $eph{$s} = $main::systime + $t;
2529 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2537 while (($key, $val) = each %eph) {
2538 if ($key =~ m{$regex}) {
2548 while (($key, $val) = each %eph) {
2549 if ($main::systime >= $val) {
2560 while (($key, $val) = each %eph) {
2561 push @out, $key, $val;
2568 goto &DXCommandmode::run_cmd;
2572 # import any msgs in the chat directory
2573 # the messages are sent to the chat group which forms the
2574 # the first part of the name (eg: solar.1243.txt would be
2575 # sent to chat group SOLAR)
2577 # Each message found is sent: one non-blank line to one chat
2578 # message. So 4 lines = 4 chat messages.
2580 # The special name LOCAL is for local users ANN
2581 # The special name ALL is for ANN/FULL
2582 # The special name SYSOP is for ANN/SYSOP
2586 # are there any to do in this directory?
2587 return unless -d $chatimportfn;
2588 unless (opendir(DIR, $chatimportfn)) {
2589 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2590 Log('msg', "can\'t open $chatimportfn $!");
2594 my @names = readdir(DIR);
2597 foreach $name (@names) {
2598 next if $name =~ /^\./;
2599 my $splitit = $name =~ /^split/;
2600 my $fn = "$chatimportfn/$name";
2602 unless (open(MSG, $fn)) {
2603 dbg("can\'t open import file $fn $!") if isdbg('msg');
2604 Log('msg', "can\'t open import file $fn $!");
2608 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2612 my @cat = split /\./, $name;
2613 my $target = uc $cat[0];
2615 foreach my $text (@msg) {
2616 next unless $text && $text !~ /^\s*#/;
2617 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2618 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2619 if ($target ne 'LOCAL') {
2620 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2622 Log('ann', 'LOCAL', $main::mycall, $text);
2623 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2626 my $msgid = nextchatmsgid();
2627 $text = "#$msgid $text";
2628 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');