3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
41 use vars qw($VERSION $BRANCH);
42 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
43 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
44 $main::build += $VERSION;
45 $main::branch += $BRANCH;
47 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
48 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
49 $pingint $obscount %pc19list $chatdupeage $chatimportfn
50 $investigation_int $pc19_version $myprot_version
51 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
52 $allowzero $decode_dk0wcy $send_opernam @checklist
56 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
57 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
59 $last_hour = time; # last time I did an hourly periodic update
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_pc15_restime = 6*60;
75 $eph_pc34_restime = 30;
78 $chatdupeage = 20 * 60 * 60;
79 $chatimportfn = "$main::root/chat_import";
80 $investigation_int = 12*60*60; # time between checks to see if we can see this node
81 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
85 [ qw(i c c m bp bc c) ], # pc10
86 [ qw(i f m d t m c c h) ], # pc11
87 [ qw(i c bm m bm bm p h) ], # pc12
91 undef , # pc16 has to be validated manually
92 [ qw(i c c h) ], # pc17
94 undef , # pc19 has to be validated manually
95 undef , # pc20 no validation
96 [ qw(i c m h) ], # pc21
97 undef , # pc22 no validation
98 [ qw(i d n n n n m c c h) ], # pc23
99 [ qw(i c p h) ], # pc24
100 [ qw(i c c n n) ], # pc25
101 [ qw(i f m d t m c c bc) ], # pc26
102 [ qw(i d n n n n m c c bc) ], # pc27
103 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
104 [ qw(i c c n m) ], # pc29
105 [ qw(i c c n) ], # pc30
106 [ qw(i c c n) ], # pc31
107 [ qw(i c c n) ], # pc32
108 [ qw(i c c n) ], # pc33
109 [ qw(i c c m) ], # pc34
110 [ qw(i c c m) ], # pc35
111 [ qw(i c c m) ], # pc36
112 [ qw(i c c n m) ], # pc37
113 undef, # pc38 not interested
114 [ qw(i c m) ], # pc39
115 [ qw(i c c m p n) ], # pc40
116 [ qw(i c n m h) ], # pc41
117 [ qw(i c c n) ], # pc42
118 undef, # pc43 don't handle it
119 [ qw(i c c n m m c) ], # pc44
120 [ qw(i c c n m) ], # pc45
121 [ qw(i c c n) ], # pc46
124 [ qw(i c m h) ], # pc49
125 [ qw(i c n h) ], # pc50
126 [ qw(i c c n) ], # pc51
148 [ qw(i d n n n n n n m m m c c h) ], # pc73
159 [ qw(i c c c m) ], # pc84
160 [ qw(i c c c m) ], # pc85
165 [ qw(i c n) ], # pc90
168 # use the entry in the check list to check the field list presented
169 # return OK if line NOT in check list (for now)
174 return 0 if $n < 0 || $n > @checklist;
175 my $ref = $checklist[$n];
176 return 0 unless ref $ref;
179 for ($i = 1; $i < @$ref; $i++) {
180 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
181 return 0 unless $act;
182 next if $blank && $_[$i] =~ /^[ \*]$/;
184 return $i unless is_callsign($_[$i]);
185 } elsif ($act eq 'i') {
187 } elsif ($act eq 'm') {
188 return $i unless is_pctext($_[$i]);
189 } elsif ($act eq 'p') {
190 return $i unless is_pcflag($_[$i]);
191 } elsif ($act eq 'f') {
192 return $i unless is_freq($_[$i]);
193 } elsif ($act eq 'n') {
194 return $i unless $_[$i] =~ /^[\d ]+$/;
195 } elsif ($act eq 'h') {
196 return $i unless $_[$i] =~ /^H\d\d?$/;
197 } elsif ($act eq 'd') {
198 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
199 } elsif ($act eq 't') {
200 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
208 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
211 my $user = DXUser->get($main::mycall);
212 die "User $main::mycall not setup or disappeared RTFM" unless $user;
214 $myprot_version += $main::version*100;
215 $main::me = DXProt->new($main::mycall, 0, $user);
216 $main::me->{here} = 1;
217 $main::me->{state} = "indifferent";
218 $main::me->{sort} = 'S'; # S for spider
219 $main::me->{priv} = 9;
220 $main::me->{metric} = 0;
221 $main::me->{pingave} = 0;
222 $main::me->{registered} = 1;
223 $main::me->{version} = $main::version;
224 $main::me->{build} = $main::build;
228 # obtain a new connection this is derived from dxchannel
233 my $self = DXChannel::alloc(@_);
235 # add this node to the table, the values get filled in later
239 # if we have an entry already, then send a PC21 to all connect
240 # old style connections, because we are about to get the real deal
241 if (my $ref = Route::Node::get($call)) {
242 dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
243 my @rout = $ref->delete;
244 $self->route_pc21($main::mycall, undef, @rout) if @rout;
246 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
251 # this is how a pc connection starts (for an incoming connection)
252 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
253 # all the crap that comes between).
256 my ($self, $line, $sort) = @_;
257 my $call = $self->{call};
258 my $user = $self->{user};
261 my $host = $self->{conn}->{peerhost};
262 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
265 Log('DXProt', "$call connected from $host");
267 # remember type of connection
268 $self->{consort} = $line;
269 $self->{outbound} = $sort eq 'O';
270 my $priv = $user->priv;
271 $priv = $user->priv(1) unless $priv;
272 $self->{priv} = $priv; # other clusters can always be 'normal' users
273 $self->{lang} = $user->lang || 'en';
274 $self->{isolate} = $user->{isolate};
275 $self->{consort} = $line; # save the connection type
279 # sort out registration
280 $self->{registered} = 1;
282 # get the output filters
283 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
284 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
285 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
286 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
287 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
290 # get the INPUT filters (these only pertain to Clusters)
291 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
292 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
293 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
294 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
295 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
297 # set unbuffered and no echo
298 $self->send_now('B',"0");
299 $self->send_now('E',"0");
300 $self->conn->echo(0) if $self->conn->can('echo');
302 # ping neighbour node stuff
303 my $ping = $user->pingint;
304 $ping = $pingint unless defined $ping;
305 $self->{pingint} = $ping;
306 $self->{nopings} = $user->nopings || $obscount;
307 $self->{pingtime} = [ ];
308 $self->{pingave} = 999;
309 $self->{metric} ||= 100;
310 $self->{lastping} = $main::systime;
312 # send initialisation string
313 unless ($self->{outbound}) {
317 $self->state('init');
318 $self->{pc50_t} = $main::systime;
320 # send info to all logged in thingies
321 $self->tell_login('loginn');
323 # run a script send the output to the debug file
324 my $script = new Script(lc $call) || new Script('node_default');
325 $script->run($self) if $script;
329 # send outgoing 'challenge'
339 # This is the normal pcxx despatcher
343 my ($self, $line) = @_;
345 if ($line =~ '^<\w+\s' && $main::do_xml) {
346 DXXml::normal($self, $line);
350 my @field = split /\^/, $line;
351 return unless @field;
353 pop @field if $field[-1] eq '~';
355 # print join(',', @field), "\n";
358 # process PC frames, this will fail unless the frame starts PCnn
359 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
360 unless (defined $pcno && $pcno >= 10 && $pcno <= 89) { # reject PC9x messages
361 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
365 # check for and dump bad protocol messages
366 my $n = check($pcno, @field);
368 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
372 my $origin = $self->{call};
374 my $sub = "handle_$pcno";
376 if ($self->can($sub)) {
377 $self->$sub($pcno, $line, $origin, @field);
379 $self->handle_default($pcno, $line, $origin, @field);
383 # incoming talk commands
392 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
394 # will we allow it at all?
397 if (@bad = BadWords::check($_[3])) {
398 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
403 # is it for me or one of mine?
404 my ($from, $to, $via, $call, $dxchan);
413 # if this is a 'nodx' node then ignore it
414 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
415 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
419 # if this is a 'bad spotter' user then ignore it
421 $nossid =~ s/-\d+$//;
422 if ($badspotter->in($nossid)) {
423 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
427 # if we are converting announces to talk is it a dup?
429 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
430 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
435 # remember a route to this node and also the node on which this user is
436 RouteDB::update($_[6], $self->{call});
437 # RouteDB::update($to, $_[6]);
439 # it is here and logged on
440 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
441 $dxchan = DXChannel::get($to) unless $dxchan;
442 if ($dxchan && $dxchan->is_user) {
444 $dxchan->talk($from, $to, $via, $_[3]);
448 # is it elsewhere, visible on the cluster via the to address?
449 # note: this discards the via unless the to address is on
452 if ($ref = Route::get($to)) {
453 $vref = Route::Node::get($via) if $via;
454 $vref = undef unless $vref && grep $to eq $_, $vref->users;
455 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
459 # can we see an interface to send it down?
461 # not visible here, send a message of condolence
463 $ref = Route::get($from);
464 $vref = $ref = Route::Node::get($_[6]) unless $ref;
466 $dxchan = $ref->dxchan;
467 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
479 # route 'foreign' pc26s
481 if ($_[7] ne $main::mycall) {
482 $self->route($_[7], $line);
488 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
490 # is the spotted callsign blank? This should really be trapped earlier but it
491 # could break other protocol sentences. Also check for lower case characters.
492 if ($_[2] =~ /^\s*$/) {
493 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
496 if ($_[2] =~ /[a-z]/) {
497 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
502 # if this is a 'nodx' node then ignore it
503 if ($badnode->in($_[7])) {
504 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
508 # if this is a 'bad spotter' user then ignore it
510 $nossid =~ s/-\d+$//;
511 if ($badspotter->in($nossid)) {
512 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
516 # convert the date to a unix date
517 my $d = cltounix($_[3], $_[4]);
518 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
519 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
520 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
525 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
526 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
531 $_[5] =~ s/^\s+//; # take any leading blanks off
532 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
533 if ($_[2] =~ /BUST\w*$/) {
534 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
539 if (@bad = BadWords::check($_[5])) {
540 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
546 # RouteDB::update($_[7], $self->{call});
547 # RouteDB::update($_[6], $_[7]);
549 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
550 # global spot filtering on INPUT
551 if ($self->{inspotsfilter}) {
552 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
554 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
559 # this goes after the input filtering, but before the add
560 # so that if it is input filtered, it isn't added to the dup
561 # list. This allows it to come in from a "legitimate" source
562 if (Spot::dup(@spot[0..4,5])) {
563 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
571 # @spot at this point contains:-
572 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
573 # then spotted itu, spotted cq, spotters itu, spotters cq
574 # you should be able to route on any of these
577 # fix up qra locators of known users
578 my $user = DXUser->get_current($spot[4]);
580 my $qra = $user->qra;
581 unless ($qra && is_qra($qra)) {
582 my $lat = $user->lat;
583 my $long = $user->long;
584 if (defined $lat && defined $long) {
585 $user->qra(DXBearing::lltoqra($lat, $long));
590 # send a remote command to a distant cluster if it is visible and there is no
591 # qra locator and we havn't done it for a month.
593 unless ($user->qra) {
595 my $to = $user->homenode;
596 my $last = $user->lastoper || 0;
597 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
598 my $cmd = "forward/opernam $spot[4]";
599 # send the rcmd but we aren't interested in the replies...
600 my $dxchan = $node->dxchan;
601 if ($dxchan && $dxchan->is_clx) {
602 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
604 route(undef, $to, pc34($main::mycall, $to, $cmd));
608 $node = Route::Node::get($to);
610 $dxchan = $node->dxchan;
611 if ($dxchan && $dxchan->is_clx) {
612 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
614 route(undef, $to, pc34($main::mycall, $to, $cmd));
618 $user->lastoper($main::systime);
627 $r = Local::spot($self, @spot);
629 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
632 # DON'T be silly and send on PC26s!
633 return if $pcno == 26;
635 # send out the filtered spots
636 send_dx_spot($self, $line, @spot) if @spot;
647 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
649 # announce duplicate checking
650 $_[3] =~ s/^\s+//; # remove leading blanks
654 if (@bad = BadWords::check($_[3])) {
655 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
660 # if this is a 'nodx' node then ignore it
661 if ($badnode->in($_[5])) {
662 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
666 # if this is a 'bad spotter' user then ignore it
668 $nossid =~ s/-\d+$//;
669 if ($badspotter->in($nossid)) {
670 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
677 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
678 $self->send_chat($line, @_[1..6]);
679 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
682 # RouteDB::update($_[5], $self->{call});
683 # RouteDB::update($_[1], $_[5]);
685 # ignore something that looks like a chat line coming in with sysop
686 # flag - this is a kludge...
687 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
688 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
692 # here's a bit of fun, convert incoming ann with a callsign in the first word
693 # or one saying 'to <call>' to a talk if we can route to the recipient
695 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
697 my $ref = Route::get($call);
699 $dxchan = $ref->dxchan;
700 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
707 $self->send_announce($line, @_[1..6]);
709 $self->route($_[2], $line);
721 if (eph_dup($line, $eph_pc15_restime)) {
722 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
724 unless ($self->{isolate}) {
725 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
741 my $newline = "PC16^";
743 # dos I want users from this channel?
744 unless ($self->user->wantpc16) {
745 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
749 if ($ncall eq $main::mycall) {
750 dbg("PCPROT: trying to alter my config from outside!") if isdbg('chanerr');
753 if (DXChannel::get($ncall) && $ncall ne $self->{call}) {
754 dbg("PCPROT: trying to alter locally connected $ncall from $self->{call}, ignored") if isdbg('chanerr');
758 RouteDB::update($ncall, $self->{call});
760 # do we believe this call?
761 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
762 if (my $ivp = Investigate::get($ncall, $self->{call})) {
763 $ivp->store_pcxx($pcno,$line,$origin,@_);
765 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
770 if (eph_dup($line)) {
771 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
775 my $parent = Route::Node::get($ncall);
777 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
778 # fix it up in the routing tables and issue it forth before the PC16
780 my $nl = $pc19list{$ncall};
782 if ($nl && @_ > 3) { # 3 because of the hop count!
784 # this is a new (remembered) node, now attach it to me if it isn't in filtered
785 # and we haven't disallowed it
786 my $user = DXUser->get_current($ncall);
788 $user = DXUser->new($ncall);
790 $user->priv(1); # I have relented and defaulted nodes
792 $user->homenode($ncall);
796 my $wantpc19 = $user->wantroutepc19;
797 if ($wantpc19 || !defined $wantpc19) {
798 my $new = Route->new($ncall); # throw away
799 if ($self->in_filter_route($new)) {
802 $parent = Route::Node::get($_->[0]);
803 $dxchan = $parent->dxchan if $parent;
804 if ($dxchan && $dxchan ne $self) {
805 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
809 my $r = $parent->add($ncall, $_->[1], $_->[2]);
810 push @nrout, $r unless @nrout;
813 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
814 $user->lastin($main::systime) unless DXChannel::get($ncall);
817 # route the pc19 - this will cause 'stuttering PC19s' for a while
818 $self->route_pc19($origin, $line, @nrout) if @nrout ;
819 $parent = Route::Node::get($ncall);
821 dbg("PCPROT: lost $ncall after sending PC19 for it?");
827 delete $pc19list{$ncall};
830 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
835 $dxchan = $parent->dxchan;
836 if ($dxchan && $dxchan ne $self) {
837 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
841 # input filter if required
842 return unless $self->in_filter_route($parent);
847 for ($i = 2; $i < $#_; $i++) {
848 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
849 next unless $call && $conf && defined $here && is_callsign($call);
850 next if $call eq $main::mycall;
852 eph_del_regex("^PC17\\^$call\\^$ncall");
854 $conf = $conf eq '*';
856 # reject this if we think it is a node already
857 my $r = Route::Node::get($call);
858 my $u = DXUser->get_current($call) unless $r;
859 if ($r || ($u && $u->is_node)) {
860 dbg("PCPROT: $call is a node") if isdbg('chanerr');
864 $r = Route::User::get($call);
865 my $flags = Route::here($here)|Route::conf($conf);
868 my $au = $r->addparent($parent);
869 if ($r->flags != $flags) {
873 push @rout, $r if $au;
875 push @rout, $parent->add_user($call, $flags);
878 # send info to all logged in thingies
879 $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
880 $self->tell_buddies('loginb', $call, $ncall);
882 # add this station to the user database, if required
883 # $call =~ s/-\d+$//o; # remove ssid for users
884 my $user = DXUser->get_current($call);
885 $user = DXUser->new($call) if !$user;
886 $user->homenode($parent->call) if !$user->homenode;
887 $user->node($parent->call);
888 $user->lastin($main::systime) unless DXChannel::get($call);
891 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
905 eph_del_regex("^PC16\\^$ncall.*$ucall");
907 # do I want users from this channel?
908 unless ($self->user->wantpc16) {
909 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
912 if ($ncall eq $main::mycall) {
913 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
917 RouteDB::delete($ncall, $self->{call});
919 # do we believe this call?
920 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
921 if (my $ivp = Investigate::get($ncall, $self->{call})) {
922 $ivp->store_pcxx($pcno,$line,$origin,@_);
924 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
929 my $uref = Route::User::get($ucall);
931 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
934 my $parent = Route::Node::get($ncall);
936 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
940 $dxchan = DXChannel::get($ncall);
941 if ($dxchan && $dxchan ne $self) {
942 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
946 # input filter if required and then remove user if present
947 # return unless $self->in_filter_route($parent);
948 $parent->del_user($uref);
950 # send info to all logged in thingies
951 $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
952 $self->tell_buddies('logoutb', $ucall, $ncall);
954 if (eph_dup($line)) {
955 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
959 $self->route_pc17($origin, $line, $parent, $uref);
969 $self->state('init');
971 # record the type and version offered
972 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
973 $self->version(53 + $1);
974 $self->user->version(53 + $1);
975 $self->build(0 + $2);
976 $self->user->build(0 + $2);
977 unless ($self->is_spider) {
978 $self->user->sort('S');
982 $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
984 $self->version(50.0);
985 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
986 $self->user->version($self->version);
989 # first clear out any nodes on this dxchannel
990 my $parent = Route::Node::get($self->{call});
991 my @rout = $parent->del_nodes;
992 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
993 $self->send_local_config();
997 # incoming cluster list
1006 my $newline = "PC19^";
1011 # first get the INTERFACE node
1012 my $parent = Route::Node::get($self->{call});
1014 dbg("DXPROT: my parent $self->{call} has disappeared");
1019 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
1020 if ($origin ne $self->call) {
1021 my $op = Route::Node::get($origin);
1023 $op = $parent->add($origin, 5000, Route::here(1));
1024 my $user = DXUser->get_current($origin);
1026 $user = DXUser->new($origin);
1027 $user->priv(1); # I have relented and defaulted nodes
1029 $user->homenode($origin);
1030 $user->node($origin);
1031 $user->wantroutepc19(1);
1033 $user->sort('A') unless $user->is_node;
1040 for ($i = 1; $i < $#_-1; $i += 4) {
1042 my $call = uc $_[$i+1];
1043 my $conf = $_[$i+2];
1045 next unless defined $here && defined $conf && is_callsign($call);
1047 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1049 # check for sane parameters
1050 # $ver = 5000 if $ver eq '0000';
1051 next unless $ver && $ver =~ /^\d+$/;
1052 next if $ver < 5000; # only works with version 5 software
1053 next if length $call < 3; # min 3 letter callsigns
1054 next if $call eq $main::mycall;
1056 # check that this PC19 isn't trying to alter the wrong dxchan
1057 my $dxchan = DXChannel::get($call);
1058 if ($dxchan && $dxchan != $self) {
1059 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1063 # add this station to the user database, if required (don't remove SSID from nodes)
1064 my $user = DXUser->get_current($call);
1066 $user = DXUser->new($call);
1067 $user->priv(1); # I have relented and defaulted nodes
1069 $user->homenode($call);
1072 $user->sort('A') unless $user->is_node;
1074 RouteDB::update($call, $self->{call});
1076 # do we believe this call?
1077 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1078 unless ($call eq $self->{call} || $self->is_believed($call)) {
1079 my $pt = $user->lastping($self->{call}) || 0;
1080 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1081 my $ivp = Investigate->new($call, $self->{call});
1082 $ivp->version($ver);
1084 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1086 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1092 if (eph_dup($genline)) {
1093 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1097 my $r = Route::Node::get($call);
1098 my $flags = Route::here($here)|Route::conf($conf);
1100 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1103 if ($call ne $parent->call) {
1104 if ($self->in_filter_route($r)) {
1105 $ar = $parent->add($call, $ver, $flags);
1106 push @rout, $ar if $ar;
1111 if ($r->version ne $ver || $r->flags != $flags) {
1114 push @rout, $r unless $ar;
1118 # if he is directly connected or allowed then add him, otherwise store him up for later
1119 if ($call eq $self->{call} || $user->wantroutepc19) {
1120 my $new = Route->new($call); # throw away
1121 if ($self->in_filter_route($new)) {
1122 my $ar = $parent->add($call, $ver, $flags);
1123 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1124 push @rout, $ar if $ar;
1129 $pc19list{$call} = [] unless exists $pc19list{$call};
1130 my $nl = $pc19list{$call};
1131 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1135 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1136 my $mref = DXMsg::get_busy($call);
1137 $mref->stop_msg($call) if $mref;
1139 $user->lastin($main::systime) unless DXChannel::get($call);
1144 $self->route_pc19($origin, $line, @rout) if @rout;
1147 # send local configuration
1154 $self->send_local_config();
1155 $self->send(pc22());
1156 $self->state('normal');
1157 $self->{lastping} = 0;
1160 # delete a cluster from the list
1167 my $call = uc $_[1];
1169 eph_del_regex("^PC1[679].*$call");
1171 # if I get a PC21 from the same callsign as self then treat it
1172 # as a PC39: I have gone away
1173 if ($call eq $self->call) {
1174 $self->disconnect(1);
1178 RouteDB::delete($call, $self->{call});
1180 # check if we believe this
1181 unless ($call eq $self->{call} || $self->is_believed($call)) {
1182 if (my $ivp = Investigate::get($call, $self->{call})) {
1183 $ivp->store_pcxx($pcno,$line,$origin,@_);
1185 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1190 # check to see if we are in the pc19list, if we are then don't bother with any of
1191 # this routing table manipulation, just remove it from the list and dump it
1193 if (my $nl = $pc19list{$call}) {
1194 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1195 delete $pc19list{$call} unless @{$pc19list{$call}};
1198 my $parent = Route::Node::get($self->{call});
1200 dbg("DXPROT: my parent $self->{call} has disappeared");
1204 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1205 my $node = Route::Node::get($call);
1208 my $dxchan = DXChannel::get($call);
1209 if ($dxchan && $dxchan != $self) {
1210 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1215 return unless $self->in_filter_route($node);
1218 push @rout, $node->del($parent);
1221 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1226 $self->route_pc21($origin, $line, @rout) if @rout;
1236 $self->state('normal');
1237 $self->{lastping} = 0;
1248 # route foreign' pc27s
1250 if ($_[8] ne $main::mycall) {
1251 $self->route($_[8], $line);
1256 # only do a rspf check on PC23 (not 27)
1258 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1262 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1263 my $sfi = unpad($_[3]);
1264 my $k = unpad($_[4]);
1265 my $i = unpad($_[5]);
1266 my ($r) = $_[6] =~ /R=(\d+)/;
1268 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1269 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1273 # global wwv filtering on INPUT
1274 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
1275 if ($self->{inwwvfilter}) {
1276 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
1278 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
1282 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1283 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
1284 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1288 # note this only takes the first one it gets
1289 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1293 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1295 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1298 # DON'T be silly and send on PC27s!
1299 return if $pcno == 27;
1301 # broadcast to the eager world
1302 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1312 my $call = uc $_[1];
1314 $nref = Route::Node::get($call);
1315 $uref = Route::User::get($call);
1316 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1318 if (eph_dup($line)) {
1319 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1323 $nref->here($_[2]) if $nref;
1324 $uref->here($_[2]) if $uref;
1325 my $ref = $nref || $uref;
1326 return unless $self->in_filter_route($ref);
1328 $self->route_pc24($origin, $line, $ref, $_[3]);
1338 if ($_[1] ne $main::mycall) {
1339 $self->route($_[1], $line);
1342 if ($_[2] eq $main::mycall) {
1343 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1347 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1351 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1354 $self->send(pc26(@{$in}[0..4], $_[2]));
1360 my @in = reverse Geomag::search(0, $_[4], time, 1);
1363 $self->send(pc27(@{$in}[0..5], $_[2]));
1368 sub handle_26 {goto &handle_11}
1369 sub handle_27 {goto &handle_23}
1371 # mail/file handling
1378 if ($_[1] eq $main::mycall) {
1380 my $sub = "DXMsg::handle_$pcno";
1383 $self->route($_[1], $line) unless $self->is_clx;
1387 sub handle_29 {goto &handle_28}
1388 sub handle_30 {goto &handle_28}
1389 sub handle_31 {goto &handle_28}
1390 sub handle_32 {goto &handle_28}
1391 sub handle_33 {goto &handle_28}
1399 if (eph_dup($line, $eph_pc34_restime)) {
1400 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1402 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1406 # remote command replies
1413 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1414 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1417 sub handle_36 {goto &handle_34}
1426 if ($_[1] eq $main::mycall) {
1428 my $sub = "DXDb::handle_$pcno";
1431 $self->route($_[1], $line) unless $self->is_clx;
1435 # node connected list from neighbour
1444 # incoming disconnect
1451 if ($_[1] eq $self->{call}) {
1452 $self->disconnect(1);
1454 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1458 sub handle_40 {goto &handle_28}
1470 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1471 if (eph_dup($l, $eph_info_restime)) {
1472 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1476 # input filter if required
1477 # my $ref = Route::get($call) || Route->new($call);
1478 # return unless $self->in_filter_route($ref);
1480 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1481 dbg('PCPROT: invalid value') if isdbg('chanerr');
1485 # add this station to the user database, if required
1486 my $user = DXUser->get_current($call);
1487 $user = DXUser->new($call) unless $user;
1490 if (($_[3] =~ /spotter/i || $_[3] =~ /self/i) && $user->name && $user->name ne $_[3]) {
1491 dbg("PCPROT: invalid name") if isdbg('chanerr');
1495 } elsif ($_[2] == 2) {
1497 } elsif ($_[2] == 3) {
1498 if (is_latlong($_[3])) {
1499 my ($lat, $long) = DXBearing::stoll($_[3]);
1502 $user->qra(DXBearing::lltoqra($lat, $long));
1504 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1507 } elsif ($_[2] == 4) {
1508 $user->homenode($_[3]);
1509 } elsif ($_[2] == 5) {
1510 if (is_qra(uc $_[3])) {
1511 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1514 $user->qra(uc $_[3]);
1516 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1520 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1523 unless ($self->{isolate}) {
1524 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1527 # perhaps this IS what we want after all
1528 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1531 sub handle_42 {goto &handle_28}
1535 sub handle_44 {goto &handle_37}
1536 sub handle_45 {goto &handle_37}
1537 sub handle_46 {goto &handle_37}
1538 sub handle_47 {goto &handle_37}
1539 sub handle_48 {goto &handle_37}
1541 # message and database
1549 if (eph_dup($line)) {
1550 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1554 if ($_[1] eq $main::mycall) {
1555 DXMsg::handle_49($self, @_);
1557 $self->route($_[1], $line) unless $self->is_clx;
1561 # keep alive/user list
1571 RouteDB::update($call, $self->{call});
1573 my $node = Route::Node::get($call);
1575 return unless $node->call eq $self->{call};
1576 $node->usercount($_[2]);
1578 # input filter if required
1579 return unless $self->in_filter_route($node);
1581 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1585 # incoming ping requests/answers
1598 if ($to eq $main::mycall) {
1600 $self->send(pc51($from, $to, '0'));
1602 DXXml::Ping::handle_ping_reply($self, $from);
1606 RouteDB::update($from, $self->{call});
1608 if (eph_dup($line)) {
1609 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1612 # route down an appropriate thingy
1613 $self->route($to, $line);
1617 # dunno but route it
1625 if ($call ne $main::mycall) {
1626 $self->route($call, $line);
1640 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1641 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1642 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1645 @_ = map { unpad($_) } @_;
1647 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1651 my $wcy = WCY::update($d, @_[2..12]);
1655 $rep = Local::wcy($self, @_[1..12]);
1657 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1660 # broadcast to the eager world
1661 send_wcy_spot($self, $line, $d, @_[2..12]);
1664 # remote commands (incoming)
1671 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1674 # remote command replies
1681 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1684 # if get here then rebroadcast the thing with its Hop count decremented (if
1685 # there is one). If it has a hop count and it decrements to zero then don't
1688 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1699 if (eph_dup($line)) {
1700 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1702 unless ($self->{isolate}) {
1703 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1709 # This is called from inside the main cluster processing loop and is used
1710 # for despatching commands that are doing some long processing job
1715 my @dxchan = DXChannel::get_all();
1719 # send out a pc50 on EVERY channel all at once
1720 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1721 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1726 foreach $dxchan (@dxchan) {
1727 next unless $dxchan->is_node;
1728 next if $dxchan->handle_xml;
1729 next if $dxchan == $main::me;
1732 $dxchan->send($pc50s) if $pc50s;
1734 # send a ping out on this channel
1735 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1736 if ($dxchan->{nopings} <= 0) {
1737 $dxchan->disconnect;
1739 DXXml::Ping::add($main::me, $dxchan->call);
1740 $dxchan->{nopings} -= 1;
1741 $dxchan->{lastping} = $t;
1742 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
1747 Investigate::process();
1750 if ($t - $last10 >= 10) {
1751 # clean out ephemera
1760 if ($main::systime - 3600 > $last_hour) {
1761 $last_hour = $main::systime;
1766 # finish up a pc context
1770 # some active measures
1778 my @dxchan = DXChannel::get_all();
1781 # send it if it isn't the except list and isn't isolated and still has a hop count
1782 # taking into account filtering and so on
1783 foreach $dxchan (@dxchan) {
1784 next if $dxchan == $main::me;
1785 next if $dxchan == $self && $self->is_node;
1786 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1794 my $isolate = shift;
1795 my ($filter, $hops);
1797 if ($self->{spotsfilter}) {
1798 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1799 return unless $filter;
1801 send_prot_line($self, $filter, $hops, $isolate, $line);
1806 my ($self, $filter, $hops, $isolate, $line) = @_;
1812 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1814 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1815 return unless $routeit;
1818 $self->send($routeit);
1820 $self->send($routeit) unless $self->{isolate} || $isolate;
1829 my @dxchan = DXChannel::get_all();
1831 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1833 # send it if it isn't the except list and isn't isolated and still has a hop count
1834 # taking into account filtering and so on
1835 foreach $dxchan (@dxchan) {
1836 next if $dxchan == $main::me;
1837 next if $dxchan == $self && $self->is_node;
1839 my ($filter, $hops);
1841 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1849 my $isolate = shift;
1850 my ($filter, $hops);
1852 if ($self->{wwvfilter}) {
1853 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
1854 return unless $filter;
1856 send_prot_line($self, $filter, $hops, $isolate, $line)
1863 my @dxchan = DXChannel::get_all();
1865 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1867 # send it if it isn't the except list and isn't isolated and still has a hop count
1868 # taking into account filtering and so on
1869 foreach $dxchan (@dxchan) {
1870 next if $dxchan == $main::me;
1871 next if $dxchan == $self;
1873 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1881 my $isolate = shift;
1882 my ($filter, $hops);
1884 if ($self->{wcyfilter}) {
1885 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1886 return unless $filter;
1888 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1896 my @dxchan = DXChannel::get_all();
1900 my $text = unpad($_[2]);
1902 if ($_[3] eq '*') { # sysops
1904 } elsif ($_[3] gt ' ') { # speciality list handling
1905 my ($name) = split /\./, $_[3];
1906 $target = "$name"; # put the rest in later (if bothered)
1913 $target = "ALL" if !$target;
1916 # obtain country codes etc
1917 my @a = Prefix::cty_data($_[0]);
1918 my @b = Prefix::cty_data($_[4]);
1919 if ($self->{inannfilter}) {
1920 my ($filter, $hops) =
1921 $self->{inannfilter}->it(@_, $self->{call},
1923 @b[0..2], $a[3], $b[3]);
1925 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1930 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1931 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1935 Log('ann', $target, $_[0], $text);
1937 # send it if it isn't the except list and isn't isolated and still has a hop count
1938 # taking into account filtering and so on
1939 foreach $dxchan (@dxchan) {
1940 next if $dxchan == $main::me;
1941 next if $dxchan == $self && $self->is_node;
1942 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1943 @a[0..2], @b[0..2]);
1952 $msgid = 1 if $msgid > 999;
1961 my @dxchan = DXChannel::get_all();
1964 my $text = unpad($_[2]);
1967 # munge the group and recast the line if required
1968 if ($target =~ s/\.LST$//) {
1972 # obtain country codes etc
1973 my @a = Prefix::cty_data($_[0]);
1974 my @b = Prefix::cty_data($_[4]);
1975 if ($self->{inannfilter}) {
1976 my ($filter, $hops) =
1977 $self->{inannfilter}->it(@_, $self->{call},
1979 @b[0..2], $a[3], $b[3]);
1981 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1986 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1987 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1992 Log('chat', $target, $_[0], $text);
1994 # send it if it isn't the except list and isn't isolated and still has a hop count
1995 # taking into account filtering and so on
1996 foreach $dxchan (@dxchan) {
1997 my $is_ak1a = $dxchan->is_ak1a;
1999 if ($dxchan->is_node) {
2000 next if $dxchan == $main::me;
2001 next if $dxchan == $self;
2002 next unless $dxchan->is_spider || $is_ak1a;
2003 next if $target eq 'LOCAL';
2004 if (!$ak1a_line && $is_ak1a) {
2005 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
2009 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
2010 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
2018 my $isolate = shift;
2022 my ($filter, $hops);
2024 if ($self->{annfilter}) {
2025 ($filter, $hops) = $self->{annfilter}->it(@_);
2026 return unless $filter;
2028 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2037 sub send_local_config
2045 dbg('DXProt::send_local_config') if isdbg('trace');
2048 if ($self->{isolate}) {
2049 @localnodes = ( $main::routeroot );
2050 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2052 # create a list of all the nodes that are not connected to this connection
2053 # and are not themselves isolated, this to make sure that isolated nodes
2054 # don't appear outside of this node
2056 # send locally connected nodes
2057 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2058 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2059 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2062 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2064 for $node (@rawintcalls) {
2065 push @intcalls, $node unless grep $node eq $_, @intcalls;
2067 my $ref = Route::Node::get($self->{call});
2068 my @rnodes = $ref->nodes;
2069 for $node (@intcalls) {
2070 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2072 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2075 # get all the users connected on the above nodes and send them out
2076 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2078 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2079 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2081 dbg("sent a null value") if isdbg('chanerr');
2087 # route a message down an appropriate interface for a callsign
2089 # is called route(to, pcline);
2094 my ($self, $call, $line) = @_;
2096 if (ref $self && $call eq $self->{call}) {
2097 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2101 # always send it down the local interface if available
2102 my $dxchan = DXChannel::get($call);
2104 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2106 my $cl = Route::get($call);
2107 $dxchan = $cl->dxchan if $cl;
2109 if (ref $self && $dxchan eq $self) {
2110 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2113 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2117 # try the backstop method
2119 my $rcall = RouteDB::get($call);
2121 if ($self && $rcall eq $self->{call}) {
2122 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2125 $dxchan = DXChannel::get($rcall);
2126 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2131 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2133 $dxchan->send($routeit) unless $dxchan == $main::me;
2136 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2141 # obtain the hops from the list for this callsign and pc no
2147 my $hops = $DXProt::hopcount{$pcno};
2148 $hops = $DXProt::def_hopcount if !$hops;
2153 # adjust the hop count on a per node basis using the user loadable
2154 # hop table if available or else decrement an existing one
2161 my $call = $self->{call};
2164 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2165 my ($pcno) = $s =~ /^PC(\d\d)/o;
2166 confess "$call called adjust_hops with '$s'" unless $pcno;
2167 my $ref = $nodehops{$call} if %nodehops;
2169 my $newhops = $ref->{$pcno};
2170 return "" if defined $newhops && $newhops == 0;
2171 $newhops = $ref->{default} unless $newhops;
2172 return "" if defined $newhops && $newhops == 0;
2173 $newhops = $hops if !$newhops;
2174 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2176 # simply decrement it
2178 return "" if !$hops;
2179 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2191 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2192 do "$main::data/hop_table.pl";
2199 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2200 if ($tonode eq $main::mycall) {
2201 my $ref = DXUser->get_current($fromnode);
2202 my $cref = Route::Node::get($fromnode);
2203 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2204 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2205 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2206 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2207 my $oldpriv = $self->{priv};
2208 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2209 my @in = (DXCommandmode::run_cmd($self, $cmd));
2210 $self->{priv} = $oldpriv;
2211 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2212 delete $self->{remotecmd};
2214 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2217 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2220 my $ref = DXUser->get_current($tonode);
2221 if ($ref && $ref->is_clx) {
2222 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2224 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2229 sub process_rcmd_reply
2231 my ($self, $tonode, $fromnode, $user, $line) = @_;
2232 if ($tonode eq $main::mycall) {
2233 my $s = $rcmds{$fromnode};
2235 my $dxchan = DXChannel::get($s->{call});
2236 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2237 $ref->send($line) if $ref;
2238 delete $rcmds{$fromnode} if !$dxchan;
2240 # send unsolicited ones to the sysop
2241 my $dxchan = DXChannel::get($main::myalias);
2242 $dxchan->send($line) if $dxchan;
2245 my $ref = DXUser->get_current($tonode);
2246 if ($ref && $ref->is_clx) {
2247 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2249 $self->route($tonode, pc35($fromnode, $tonode, $line));
2258 my $fromnode = shift;
2263 Log('rcmd', 'out', $fromnode, $line);
2264 if ($self->is_clx) {
2265 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2267 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2272 # add a rcmd request to the rcmd queues
2275 my ($self, $to, $cmd) = @_;
2278 $r->{call} = $self->{call};
2279 $r->{t} = $main::systime;
2283 my $ref = Route::Node::get($to);
2284 my $dxchan = $ref->dxchan;
2285 if ($dxchan && $dxchan->is_clx) {
2286 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2288 route(undef, $to, pc34($main::mycall, $to, $cmd));
2295 my $pc39flag = shift;
2296 my $call = $self->call;
2298 return if $self->{disconnecting}++;
2300 unless ($pc39flag && $pc39flag == 1) {
2301 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2304 # get rid of any PC16/17/19
2305 eph_del_regex("^PC1[679]*$call");
2307 # do routing stuff, remove me from routing table
2308 my $node = Route::Node::get($call);
2311 @rout = $node->del($main::routeroot);
2313 # and all my ephemera as well
2316 eph_del_regex("^PC1[679].*$c");
2320 RouteDB::delete_interface($call);
2322 # remove them from the pc19list as well
2323 while (my ($k,$v) = each %pc19list) {
2324 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2326 $pc19list{$k} = \@l;
2328 delete $pc19list{$k};
2332 eph_del_regex("^PC1[679].*$k");
2335 # unbusy and stop and outgoing mail
2336 my $mref = DXMsg::get_busy($call);
2337 $mref->stop_msg($call) if $mref;
2339 # broadcast to all other nodes that all the nodes connected to via me are gone
2340 unless ($pc39flag && $pc39flag == 2) {
2341 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2344 # remove outstanding pings
2345 delete $pings{$call};
2347 # I was the last node visited
2348 $self->user->node($main::mycall);
2350 # send info to all logged in thingies
2351 $self->tell_login('logoutn');
2353 Log('DXProt', $call . " Disconnected");
2355 $self->SUPER::disconnect;
2360 # send a talk message to this thingy
2364 my ($self, $from, $to, $via, $line, $origin) = @_;
2366 $line =~ s/\^/\\5E/g; # remove any ^ characters
2367 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2368 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2371 # send it if it isn't the except list and isn't isolated and still has a hop count
2372 # taking into account filtering and so on
2378 my $generate = shift;
2379 my $no = shift; # the no of things to filter on
2381 my ($filter, $hops);
2384 for (; @_ && $no; $no--) {
2387 if (!$self->{isolate} && $self->{routefilter}) {
2390 ($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});
2394 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2397 dbg("was sent a null value") if isdbg('chanerr');
2400 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2404 foreach my $line (&$generate(@rin, @_)) {
2407 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2409 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2410 next unless $routeit;
2413 $self->send($routeit);
2422 my $generate = shift;
2424 my @dxchan = DXChannel::get_all_nodes();
2427 unless ($self->{isolate}) {
2428 foreach $dxchan (@dxchan) {
2429 next if $dxchan == $self;
2430 next if $dxchan == $main::me;
2431 next unless $dxchan->isa('DXProt');
2432 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2434 $dxchan->send_route($origin, $generate, @_);
2442 return unless $self->user->wantpc16;
2445 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2451 return unless $self->user->wantpc16;
2454 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2462 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2470 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2478 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2486 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2494 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2501 my ($filter, $hops) = (1, 1);
2503 if ($self->{inroutefilter}) {
2504 ($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);
2505 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2513 my $t = shift || $eph_restime;
2517 $s =~ s/\^H\d\d?\^?\~?$//;
2518 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2519 $eph{$s} = $main::systime + $t;
2520 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2528 while (($key, $val) = each %eph) {
2529 if ($key =~ m{$regex}) {
2539 while (($key, $val) = each %eph) {
2540 if ($main::systime >= $val) {
2551 while (($key, $val) = each %eph) {
2552 push @out, $key, $val;
2559 goto &DXCommandmode::run_cmd;
2563 # import any msgs in the chat directory
2564 # the messages are sent to the chat group which forms the
2565 # the first part of the name (eg: solar.1243.txt would be
2566 # sent to chat group SOLAR)
2568 # Each message found is sent: one non-blank line to one chat
2569 # message. So 4 lines = 4 chat messages.
2571 # The special name LOCAL is for local users ANN
2572 # The special name ALL is for ANN/FULL
2573 # The special name SYSOP is for ANN/SYSOP
2577 # are there any to do in this directory?
2578 return unless -d $chatimportfn;
2579 unless (opendir(DIR, $chatimportfn)) {
2580 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2581 Log('msg', "can\'t open $chatimportfn $!");
2585 my @names = readdir(DIR);
2588 foreach $name (@names) {
2589 next if $name =~ /^\./;
2590 my $splitit = $name =~ /^split/;
2591 my $fn = "$chatimportfn/$name";
2593 unless (open(MSG, $fn)) {
2594 dbg("can\'t open import file $fn $!") if isdbg('msg');
2595 Log('msg', "can\'t open import file $fn $!");
2599 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2603 my @cat = split /\./, $name;
2604 my $target = uc $cat[0];
2606 foreach my $text (@msg) {
2607 next unless $text && $text !~ /^\s*#/;
2608 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2609 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2610 if ($target ne 'LOCAL') {
2611 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2613 Log('ann', 'LOCAL', $main::mycall, $text);
2614 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2617 my $msgid = nextchatmsgid();
2618 $text = "#$msgid $text";
2619 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');