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);
48 use vars qw($VERSION $BRANCH);
50 main::mkver($VERSION = q$Revision$);
52 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
53 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
54 $pingint $obscount %pc19list $chatdupeage $chatimportfn
55 $investigation_int $pc19_version $myprot_version
56 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
57 $allowzero $decode_dk0wcy $send_opernam @checklist);
59 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
60 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
62 $last_hour = time; # last time I did an hourly periodic update
63 %pings = (); # outstanding ping requests outbound
64 %rcmds = (); # outstanding rcmd requests outbound
65 %nodehops = (); # node specific hop control
66 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
68 $censorpc = 1; # Do a BadWords::check on text fields and reject things
69 # loads of 'bad things'
70 $baddx = new DXHash "baddx";
71 $badspotter = new DXHash "badspotter";
72 $badnode = new DXHash "badnode";
73 $last10 = $last_pc50 = time;
77 $eph_info_restime = 60*60;
78 $eph_pc34_restime = 30;
81 $chatdupeage = 20 * 60 * 60;
82 $chatimportfn = "$main::root/chat_import";
83 $investigation_int = 12*60*60; # time between checks to see if we can see this node
84 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
88 [ qw(i c c m bp bc c) ], # pc10
89 [ qw(i f m d t m c c h) ], # pc11
90 [ qw(i c bm m bm bm p h) ], # pc12
94 undef , # pc16 has to be validated manually
95 [ qw(i c c h) ], # pc17
97 undef , # pc19 has to be validated manually
98 undef , # pc20 no validation
99 [ qw(i c m h) ], # pc21
100 undef , # pc22 no validation
101 [ qw(i d n n n n m c c h) ], # pc23
102 [ qw(i c p h) ], # pc24
103 [ qw(i c c n n) ], # pc25
104 [ qw(i f m d t m c c bc) ], # pc26
105 [ qw(i d n n n n m c c bc) ], # pc27
106 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
107 [ qw(i c c n m) ], # pc29
108 [ qw(i c c n) ], # pc30
109 [ qw(i c c n) ], # pc31
110 [ qw(i c c n) ], # pc32
111 [ qw(i c c n) ], # pc33
112 [ qw(i c c m) ], # pc34
113 [ qw(i c c m) ], # pc35
114 [ qw(i c c m) ], # pc36
115 [ qw(i c c n m) ], # pc37
116 undef, # pc38 not interested
117 [ qw(i c m) ], # pc39
118 [ qw(i c c m p n) ], # pc40
119 [ qw(i c n m h) ], # pc41
120 [ qw(i c c n) ], # pc42
121 undef, # pc43 don't handle it
122 [ qw(i c c n m m c) ], # pc44
123 [ qw(i c c n m) ], # pc45
124 [ qw(i c c n) ], # pc46
127 [ qw(i c m h) ], # pc49
128 [ qw(i c n h) ], # pc50
129 [ qw(i c c n) ], # pc51
151 [ qw(i d n n n n n n m m m c c h) ], # pc73
162 [ qw(i c c c m) ], # pc84
163 [ qw(i c c c m) ], # pc85
168 [ qw(i c n) ], # pc90
171 # use the entry in the check list to check the field list presented
172 # return OK if line NOT in check list (for now)
177 return 0 if $n < 0 || $n > @checklist;
178 my $ref = $checklist[$n];
179 return 0 unless ref $ref;
182 for ($i = 1; $i < @$ref; $i++) {
183 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
184 return 0 unless $act;
185 next if $blank && $_[$i] =~ /^[ \*]$/;
187 return $i unless is_callsign($_[$i]);
188 } elsif ($act eq 'i') {
190 } elsif ($act eq 'm') {
191 return $i unless is_pctext($_[$i]);
192 } elsif ($act eq 'p') {
193 return $i unless is_pcflag($_[$i]);
194 } elsif ($act eq 'f') {
195 return $i unless is_freq($_[$i]);
196 } elsif ($act eq 'n') {
197 return $i unless $_[$i] =~ /^[\d ]+$/;
198 } elsif ($act eq 'h') {
199 return $i unless $_[$i] =~ /^H\d\d?$/;
200 } elsif ($act eq 'd') {
201 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
202 } elsif ($act eq 't') {
203 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
211 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
214 my $user = DXUser->get($main::mycall);
215 die "User $main::mycall not setup or disappeared RTFM" unless $user;
217 $main::me = DXProt->new($main::mycall, 0, $user);
218 $main::me->{here} = 1;
219 $main::me->{state} = "indifferent";
220 $main::me->{sort} = 'S'; # S for spider
221 $main::me->{priv} = 9;
222 $main::me->{metric} = 0;
223 $main::me->{pingave} = 0;
224 $main::me->{registered} = 1;
225 $main::me->{version} = $myprot_version + int ($main::version * 100);
226 $main::me->{build} = $main::build;
227 $main::me->{lastcf} = $main::me->{lasthello} = time;
231 # obtain a new connection this is derived from dxchannel
236 my $self = DXChannel::alloc(@_);
238 # add this node to the table, the values get filled in later
241 $main::routeroot->add($call, '5000', 1) if $call ne $main::mycall;
245 # this is how a pc connection starts (for an incoming connection)
246 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
247 # all the crap that comes between).
250 my ($self, $line, $sort) = @_;
251 my $call = $self->{call};
252 my $user = $self->{user};
255 my $host = $self->{conn}->{peerhost} || "unknown";
256 Log('DXProt', "$call connected from $host");
258 # remember type of connection
259 $self->{consort} = $line;
260 $self->{outbound} = $sort eq 'O';
261 my $priv = $user->priv;
262 $priv = $user->priv(1) unless $priv;
263 $self->{priv} = $priv; # other clusters can always be 'normal' users
264 $self->{lang} = $user->lang || 'en';
265 $self->{isolate} = $user->{isolate};
266 $self->{consort} = $line; # save the connection type
270 # sort out registration
271 $self->{registered} = 1;
273 # get the output filters
274 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
275 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
276 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
277 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
278 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
281 # get the INPUT filters (these only pertain to Clusters)
282 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
283 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
284 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
285 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
286 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
288 # set unbuffered and no echo
289 $self->send_now('B',"0");
290 $self->send_now('E',"0");
291 $self->conn->echo(0) if $self->conn->can('echo');
293 # ping neighbour node stuff
294 my $ping = $user->pingint;
295 $ping = $pingint unless defined $ping;
296 $self->{pingint} = $ping;
297 $self->{nopings} = $user->nopings || $obscount;
298 $self->{pingtime} = [ ];
299 $self->{pingave} = 999;
300 $self->{metric} ||= 100;
301 $self->{lastping} = $main::systime;
303 # send initialisation string
304 unless ($self->{outbound}) {
308 $self->state('init');
309 $self->{pc50_t} = $main::systime;
311 # ALWAYS output the hello
312 my $thing = Thingy::Hello->new(user => $call, h => $self->{here});
313 $thing->broadcast($self);
314 $self->lasthello($main::systime);
316 # send info to all logged in thingies
317 $self->tell_login('loginn');
319 # run a script send the output to the debug file
320 my $script = new Script(lc $call) || new Script('node_default');
321 $script->run($self) if $script;
325 # send outgoing 'challenge'
336 # This is the normal pcxx despatcher
340 my ($self, $line) = @_;
342 my @field = split /\^/, $line;
343 return unless @field;
345 pop @field if $field[-1] eq '~';
347 # print join(',', @field), "\n";
349 # process PC frames, this will fail unless the frame starts PCnn
350 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
351 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
352 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
356 # check for and dump bad protocol messages
357 my $n = check($pcno, @field);
359 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
363 # decrement any hop fields at this point
364 if ($line =~ /\^H(\d\d?)\^?~?$/) {
367 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
370 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
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], $origin);
438 # RouteDB::update($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])) {
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], $_[6], $_[7]);
540 my $thing = Thingy::Dx->new(origin=>$main::mycall);
541 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
542 $thing->process($self);
544 # this goes after the input filtering, but before the add
545 # so that if it is input filtered, it isn't added to the dup
546 # list. This allows it to come in from a "legitimate" source
548 # @spot at this point contains:-
549 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
550 # then spotted itu, spotted cq, spotters itu, spotters cq
551 # you should be able to route on any of these
554 # fix up qra locators of known users
555 my $user = DXUser->get_current($spot[4]);
557 my $qra = $user->qra;
558 unless ($qra && is_qra($qra)) {
559 my $lat = $user->lat;
560 my $long = $user->long;
561 if (defined $lat && defined $long) {
562 $user->qra(DXBearing::lltoqra($lat, $long));
567 # send a remote command to a distant cluster if it is visible and there is no
568 # qra locator and we havn't done it for a month.
570 unless ($user->qra) {
572 my $to = $user->homenode;
573 my $last = $user->lastoper || 0;
574 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
575 my $cmd = "forward/opernam $spot[4]";
576 # send the rcmd but we aren't interested in the replies...
577 my $dxchan = $node->dxchan;
578 if ($dxchan && $dxchan->is_clx) {
579 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
581 route(undef, $to, pc34($main::mycall, $to, $cmd));
585 $node = Route::Node::get($to);
587 $dxchan = $node->dxchan;
588 if ($dxchan && $dxchan->is_clx) {
589 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
591 route(undef, $to, pc34($main::mycall, $to, $cmd));
595 $user->lastoper($main::systime);
610 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
612 # announce duplicate checking
613 $_[3] =~ s/^\s+//; # remove leading blanks
617 if (@bad = BadWords::check($_[3])) {
618 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
623 # if this is a 'nodx' node then ignore it
624 if ($badnode->in($_[5])) {
625 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
629 # if this is a 'bad spotter' user then ignore it
631 $nossid =~ s/-\d+$//;
632 if ($badspotter->in($nossid)) {
633 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
640 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
641 $self->send_chat($line, @_[1..6]);
642 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
645 # RouteDB::update($_[5], $self->{call});
646 # RouteDB::update($_[1], $_[5]);
648 # ignore something that looks like a chat line coming in with sysop
649 # flag - this is a kludge...
650 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
651 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
655 # here's a bit of fun, convert incoming ann with a callsign in the first word
656 # or one saying 'to <call>' to a talk if we can route to the recipient
658 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
660 my $ref = Route::get($call);
662 $dxchan = $ref->dxchan;
663 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
670 $self->send_announce($line, @_[1..6]);
672 $self->route($_[2], $line);
687 my $newline = "PC16^";
689 # dos I want users from this channel?
690 unless ($self->user->wantpc16) {
691 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
695 if ($ncall eq $main::mycall) {
696 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
700 RouteDB::update($ncall, $self->{call});
702 # do we believe this call?
703 # unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
704 # if (my $ivp = Investigate::get($ncall, $self->{call})) {
705 # $ivp->store_pcxx($pcno,$line,$origin,@_);
707 # dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
712 if (eph_dup($line)) {
713 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
717 my $parent = Route::Node::get($ncall);
719 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
720 # fix it up in the routing tables and issue it forth before the PC16
722 $dxchan = $parent->dxchan;
723 if ($dxchan && $dxchan ne $self) {
724 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
728 # input filter if required
729 return unless $self->in_filter_route($parent);
731 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
735 # is he under the control of the new protocol?
736 # if ($parent && $parent->np) {
737 # dbg("PCPROT: $ncall aranea node, ignored") if isdbg('chanerr');
743 for ($i = 2; $i < $#_; $i++) {
744 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
745 next unless $call && $conf && defined $here && is_callsign($call);
746 next if $call eq $main::mycall;
748 eph_del_regex("^PC17\\^$call\\^$ncall");
750 $conf = $conf eq '*';
752 # reject this if we think it is a node already
753 my $r = Route::Node::get($call);
754 my $u = DXUser->get_current($call) unless $r;
755 if ($r || ($u && $u->is_node)) {
756 dbg("PCPROT: $call is a node") if isdbg('chanerr');
760 $r = Route::User::get($call);
764 my $au = $r->addparent($parent);
765 if ($r->flags != $flags) {
769 push @rout, $r if $au;
771 push @rout, $parent->add_user($call, $flags);
775 # add this station to the user database, if required
776 $call =~ s/-\d+$//o; # remove ssid for users
777 my $user = DXUser->get_current($call);
778 $user = DXUser->new($call) if !$user;
779 $user->homenode($parent->call) if !$user->homenode;
780 $user->node($parent->call);
781 $user->lastin($main::systime) unless DXChannel::get($call);
784 $self->route_pc16($origin, $line, $parent, @rout) if @rout && (DXChannel::get($parent->call) || $parent->np);
798 eph_del_regex("^PC16\\^$ncall.*$ucall");
800 # do I want users from this channel?
801 unless ($self->user->wantpc16) {
802 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
805 if ($ncall eq $main::mycall) {
806 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
810 RouteDB::delete($ncall, $self->{call});
812 # do we believe this call?
813 # unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
814 # if (my $ivp = Investigate::get($ncall, $self->{call})) {
815 # $ivp->store_pcxx($pcno,$line,$origin,@_);
817 # dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
822 my $uref = Route::User::get($ucall);
824 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
827 my $parent = Route::Node::get($ncall);
829 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
833 $dxchan = $parent->dxchan;
834 if ($dxchan && $dxchan ne $self) {
835 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
839 # is he under the control of the new protocol?
840 # if ($parent && $parent->np) {
841 # dbg("PCPROT: $ncall aranea node, ignored") if isdbg('chanerr');
845 # input filter if required and then remove user if present
846 if ($parent && !$parent->np) {
847 # return unless $self->in_filter_route($parent);
848 $parent->del_user($uref) if $uref;
851 if (eph_dup($line)) {
852 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
856 $self->route_pc17($origin, $line, $parent, $uref) if (DXChannel::get($parent->call) || $parent->np);
866 $self->state('init');
868 # record the type and version offered
869 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
870 $self->version(0 + $1);
871 $self->user->version(0 + $1);
872 $self->build(0 + $2);
873 $self->user->build(0 + $2);
874 unless ($self->is_spider) {
875 $self->user->sort('S');
880 $self->version(50.0);
881 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
882 $self->user->version($self->version);
885 # first clear out any nodes on this dxchannel
886 my $parent = Route::Node::get($origin);
887 my @rout = $parent->del_nodes;
888 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
889 $self->send_local_config();
893 # incoming cluster list
902 my $newline = "PC19^";
907 # first get the INTERFACE node
908 my $parent = Route::Node::get($origin);
910 dbg("DXPROT: my parent $origin has disappeared");
916 for ($i = 1; $i < $#_-1; $i += 4) {
918 my $call = uc $_[$i+1];
921 next unless defined $here && defined $conf && is_callsign($call);
923 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
925 # check for sane parameters
926 # $ver = 5000 if $ver eq '0000';
927 next unless $ver > 5000; # only works with version 5 software that isn't a passive node
928 next if length $call < 3; # min 3 letter callsigns
929 next if $call eq $main::mycall;
931 # check that this PC19 isn't trying to alter the wrong dxchan
932 my $dxchan = DXChannel::get($call);
933 if ($dxchan && $dxchan != $self) {
934 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
938 # add this station to the user database, if required (don't remove SSID from nodes)
939 my $user = DXUser->get_current($call);
941 $user = DXUser->new($call);
942 $user->priv(1); # I have relented and defaulted nodes
944 $user->homenode($call);
947 $user->sort('A') unless $user->is_node;
949 RouteDB::update($call, $origin);
951 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
952 if (eph_dup($genline)) {
953 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
957 my $r = Route::Node::get($call);
960 # is he under the control of the new protocol and not my interface call?
961 if ($call ne $origin && $r && $r->np) {
962 dbg("PCPROT: $call aranea node, ignored") if isdbg('chanerr');
965 # modify the routing table if it is in it, otherwise store it in the pc19list for now
968 if ($call ne $parent->call) {
969 if ($self->in_filter_route($r)) {
970 $ar = $parent->add($call, $ver, $flags);
971 push @rout, $ar if $ar;
976 if ($r->version != $ver || $r->flags != $flags) {
984 # if he is directly connected or allowed then add him, otherwise store him up for later
985 if ($call eq $origin || $user->wantroutepc19) {
986 my $new = Route->new($call); # throw away
987 if ($self->in_filter_route($new)) {
988 my $ar = $parent->add($call, $ver, $flags);
989 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
990 push @rout, $ar if $ar;
997 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
998 my $mref = DXMsg::get_busy($call);
999 $mref->stop_msg($call) if $mref;
1001 $user->lastin($main::systime) unless DXChannel::get($call);
1005 # we only output information that we regard as reliable
1006 @rout = grep {$_ && (DXChannel::get($_->{call}) || $_->np) } @rout;
1007 $self->route_pc19($origin, $line, @rout) if @rout;
1010 # send local configuration
1017 $self->send_local_config();
1018 $self->send(pc22());
1019 $self->state('normal');
1020 $self->{lastping} = 0;
1021 my $thing = Thingy::Rt->new(user=>$self->{call});
1022 my $nref = Route::Node::get($self->{call});
1023 $thing->copy_pc16_data($nref);
1024 $thing->broadcast($self);
1025 $self->lastcf($main::systime);
1028 # delete a cluster from the list
1035 my $call = uc $_[1];
1037 eph_del_regex("^PC1[679].*$call");
1039 # if I get a PC21 from the same callsign as self then treat it
1040 # as a PC39: I have gone away
1041 if ($call eq $self->call) {
1042 $self->disconnect(1);
1046 RouteDB::delete($call, $origin);
1048 # check if we believe this
1049 # unless ($call eq $origin || $self->is_believed($call)) {
1050 # if (my $ivp = Investigate::get($call, $origin)) {
1051 # $ivp->store_pcxx($pcno,$line,$origin,@_);
1053 # dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1058 # check to see if we are in the pc19list, if we are then don't bother with any of
1059 # this routing table manipulation, just remove it from the list and dump it
1062 my $parent = Route::Node::get($origin);
1064 dbg("DXPROT: my parent $origin has disappeared");
1068 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1069 my $node = Route::Node::get($call);
1072 my $dxchan = DXChannel::get($call);
1073 if ($dxchan && $dxchan != $self) {
1074 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1079 return unless $self->in_filter_route($node);
1081 # is he under the control of the new protocol?
1083 dbg("PCPROT: $call aranea node, ignored") if isdbg('chanerr');
1088 push @rout, $node->del($parent);
1091 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1095 @rout = grep {$_ && (DXChannel::get($_->{call}) || $_->np) } @rout;
1096 $self->route_pc21($origin, $line, @rout) if @rout;
1106 $self->state('normal');
1107 $self->{lastping} = 0;
1108 my $thing = Thingy::Rt->new(user=>$self->{call});
1109 my $nref = Route::Node::get($self->{call});
1110 $thing->copy_pc16_data($nref);
1111 $thing->broadcast($self);
1112 $self->lastcf($main::systime);
1123 # route foreign' pc27s
1125 if ($_[8] ne $main::mycall) {
1126 $self->route($_[8], $line);
1131 # only do a rspf check on PC23 (not 27)
1133 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1137 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1138 my $sfi = unpad($_[3]);
1139 my $k = unpad($_[4]);
1140 my $i = unpad($_[5]);
1141 my ($r) = $_[6] =~ /R=(\d+)/;
1143 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1144 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1147 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1148 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1151 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1153 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1157 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1159 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1162 # DON'T be silly and send on PC27s!
1163 return if $pcno == 27;
1165 # broadcast to the eager world
1166 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1176 my $call = uc $_[1];
1178 $nref = Route::Node::get($call);
1179 $uref = Route::User::get($call);
1180 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1182 if (eph_dup($line)) {
1183 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1187 $nref->here($_[2]) if $nref;
1188 $uref->here($_[2]) if $uref;
1189 my $ref = $nref || $uref;
1190 return unless $self->in_filter_route($ref);
1192 $self->route_pc24($origin, $line, $ref, $_[3]);
1202 if ($_[1] ne $main::mycall) {
1203 $self->route($_[1], $line);
1206 if ($_[2] eq $main::mycall) {
1207 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1211 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1215 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1218 $self->send(pc26(@{$in}[0..4], $_[2]));
1224 my @in = reverse Geomag::search(0, $_[4], time, 1);
1227 $self->send(pc27(@{$in}[0..5], $_[2]));
1232 sub handle_26 {goto &handle_11}
1233 sub handle_27 {goto &handle_23}
1235 # mail/file handling
1242 if ($_[1] eq $main::mycall) {
1244 my $sub = "DXMsg::handle_$pcno";
1247 $self->route($_[1], $line) unless $self->is_clx;
1251 sub handle_29 {goto &handle_28}
1252 sub handle_30 {goto &handle_28}
1253 sub handle_31 {goto &handle_28}
1254 sub handle_32 {goto &handle_28}
1255 sub handle_33 {goto &handle_28}
1263 if (eph_dup($line, $eph_pc34_restime)) {
1264 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1266 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1270 # remote command replies
1277 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1278 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1281 sub handle_36 {goto &handle_34}
1290 if ($_[1] eq $main::mycall) {
1292 my $sub = "DXDb::handle_$pcno";
1295 $self->route($_[1], $line) unless $self->is_clx;
1299 # node connected list from neighbour
1308 # incoming disconnect
1315 if ($_[1] eq $origin) {
1316 $self->disconnect(1);
1318 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1322 sub handle_40 {goto &handle_28}
1334 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1335 if (eph_dup($l, $eph_info_restime)) {
1336 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1340 # input filter if required
1341 # my $ref = Route::get($call) || Route->new($call);
1342 # return unless $self->in_filter_route($ref);
1344 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1345 dbg('PCPROT: invalid value') if isdbg('chanerr');
1349 # add this station to the user database, if required
1350 my $user = DXUser->get_current($call);
1351 $user = DXUser->new($call) unless $user;
1355 } elsif ($_[2] == 2) {
1357 } elsif ($_[2] == 3) {
1358 if (is_latlong($_[3])) {
1359 my ($lat, $long) = DXBearing::stoll($_[3]);
1362 $user->qra(DXBearing::lltoqra($lat, $long));
1364 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1367 } elsif ($_[2] == 4) {
1368 $user->homenode($_[3]);
1369 } elsif ($_[2] == 5) {
1370 if (is_qra(uc $_[3])) {
1371 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1374 $user->qra(uc $_[3]);
1376 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1380 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1383 unless ($self->{isolate}) {
1384 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1387 # perhaps this IS what we want after all
1388 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1391 sub handle_42 {goto &handle_28}
1395 sub handle_44 {goto &handle_37}
1396 sub handle_45 {goto &handle_37}
1397 sub handle_46 {goto &handle_37}
1398 sub handle_47 {goto &handle_37}
1399 sub handle_48 {goto &handle_37}
1401 # message and database
1409 if (eph_dup($line)) {
1410 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1414 if ($_[1] eq $main::mycall) {
1415 DXMsg::handle_49($self, @_);
1417 $self->route($_[1], $line) unless $self->is_clx;
1421 # keep alive/user list
1431 RouteDB::update($call, $origin);
1433 my $node = Route::Node::get($call);
1435 return unless $node->call eq $origin;
1436 $node->usercount($_[2]);
1438 # input filter if required
1439 return unless $self->in_filter_route($node);
1441 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1445 # incoming ping requests/answers
1453 if (eph_dup($line, 60)) {
1454 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1458 my $thing = Thingy::Ping->new(origin=>$main::mycall);
1459 $thing->from_DXProt($self, $line, @_);
1460 $thing->handle($self);
1463 # dunno but route it
1471 if ($call ne $main::mycall) {
1472 $self->route($call, $line);
1486 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1487 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1488 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1491 @_ = map { unpad($_) } @_;
1493 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1497 my $wcy = WCY::update($d, @_[2..12]);
1501 $rep = Local::wcy($self, @_[1..12]);
1503 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1506 # broadcast to the eager world
1507 send_wcy_spot($self, $line, $d, @_[2..12]);
1510 # remote commands (incoming)
1517 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1520 # remote command replies
1527 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1530 # if get here then rebroadcast the thing with its Hop count decremented (if
1531 # there is one). If it has a hop count and it decrements to zero then don't
1534 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1545 if (eph_dup($line)) {
1546 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1548 unless ($self->{isolate}) {
1549 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1555 # This is called from inside the main cluster processing loop and is used
1556 # for despatching commands that are doing some long processing job
1561 my @dxchan = DXChannel::get_all();
1565 # send out a pc50 on EVERY channel all at once
1566 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1567 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1572 foreach $dxchan (@dxchan) {
1573 next unless $dxchan->is_node();
1574 next if $dxchan == $main::me;
1577 $dxchan->send($pc50s) if $pc50s;
1579 # send a ping out on this channel
1580 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1581 if ($dxchan->{nopings} <= 0) {
1582 $dxchan->disconnect;
1584 addping($main::mycall, $dxchan->call);
1585 $dxchan->{nopings} -= 1;
1586 $dxchan->{lastping} = $t;
1591 # Investigate::process();
1594 if ($t - $last10 >= 10) {
1595 # clean out ephemera
1604 if ($main::systime - 3600 > $last_hour) {
1605 $last_hour = $main::systime;
1610 # finish up a pc context
1614 # some active measures
1620 my ($self, $filter, $hops, $isolate, $line) = @_;
1626 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1628 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1629 return unless $routeit;
1632 $self->send($routeit);
1634 $self->send($routeit) unless $self->{isolate} || $isolate;
1643 my @dxchan = DXChannel::get_all();
1645 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1647 # send it if it isn't the except list and isn't isolated and still has a hop count
1648 # taking into account filtering and so on
1649 foreach $dxchan (@dxchan) {
1650 next if $dxchan == $main::me;
1651 next if $dxchan == $self && $self->is_node;
1653 my ($filter, $hops);
1655 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1663 my $isolate = shift;
1664 my ($filter, $hops);
1666 if ($self->{wwvfilter}) {
1667 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1668 return unless $filter;
1670 send_prot_line($self, $filter, $hops, $isolate, $line)
1677 my @dxchan = DXChannel::get_all();
1679 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1681 # send it if it isn't the except list and isn't isolated and still has a hop count
1682 # taking into account filtering and so on
1683 foreach $dxchan (@dxchan) {
1684 next if $dxchan == $main::me;
1685 next if $dxchan == $self;
1687 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1695 my $isolate = shift;
1696 my ($filter, $hops);
1698 if ($self->{wcyfilter}) {
1699 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1700 return unless $filter;
1702 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1710 my @dxchan = DXChannel::get_all();
1714 my $text = unpad($_[2]);
1716 if ($_[3] eq '*') { # sysops
1718 } elsif ($_[3] gt ' ') { # speciality list handling
1719 my ($name) = split /\./, $_[3];
1720 $target = "$name"; # put the rest in later (if bothered)
1727 $target = "ALL" if !$target;
1730 # obtain country codes etc
1731 my @a = Prefix::cty_data($_[0]);
1732 my @b = Prefix::cty_data($_[4]);
1733 if ($self->{inannfilter}) {
1734 my ($filter, $hops) =
1735 $self->{inannfilter}->it(@_, $self->{call},
1737 @b[0..2], $a[3], $b[3]);
1739 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1744 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1745 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1749 Log('ann', $target, $_[0], $text);
1751 # send it if it isn't the except list and isn't isolated and still has a hop count
1752 # taking into account filtering and so on
1753 foreach $dxchan (@dxchan) {
1754 next if $dxchan == $main::me;
1755 next if $dxchan == $self && $self->is_node;
1756 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1757 @a[0..2], @b[0..2]);
1766 $msgid = 1 if $msgid > 999;
1775 my @dxchan = DXChannel::get_all();
1778 my $text = unpad($_[2]);
1781 # munge the group and recast the line if required
1782 if ($target =~ s/\.LST$//) {
1786 # obtain country codes etc
1787 my @a = Prefix::cty_data($_[0]);
1788 my @b = Prefix::cty_data($_[4]);
1789 if ($self->{inannfilter}) {
1790 my ($filter, $hops) =
1791 $self->{inannfilter}->it(@_, $self->{call},
1793 @b[0..2], $a[3], $b[3]);
1795 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1800 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1801 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1806 Log('chat', $target, $_[0], $text);
1808 # send it if it isn't the except list and isn't isolated and still has a hop count
1809 # taking into account filtering and so on
1810 foreach $dxchan (@dxchan) {
1811 my $is_ak1a = $dxchan->is_ak1a;
1813 if ($dxchan->is_node) {
1814 next if $dxchan == $main::me;
1815 next if $dxchan == $self;
1816 next unless $dxchan->is_spider || $is_ak1a;
1817 next if $target eq 'LOCAL';
1818 if (!$ak1a_line && $is_ak1a) {
1819 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1823 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1824 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1832 my $isolate = shift;
1836 my ($filter, $hops);
1838 if ($self->{annfilter}) {
1839 ($filter, $hops) = $self->{annfilter}->it(@_);
1840 return unless $filter;
1842 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1851 sub send_local_config
1859 dbg('DXProt::send_local_config') if isdbg('trace');
1862 if ($self->{isolate}) {
1863 @localnodes = ( $main::routeroot );
1864 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1866 # create a list of all the nodes that are not connected to this connection
1867 # and are not themselves isolated, this to make sure that isolated nodes
1868 # don't appear outside of this node
1870 # send locally connected nodes
1871 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && ($_->is_node || $_->is_aranea) } DXChannel::get_all();
1872 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1873 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1876 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1878 for $node (@rawintcalls) {
1879 push @intcalls, $node unless grep $node eq $_, @intcalls;
1881 my $ref = Route::Node::get($self->{call});
1882 my @rnodes = $ref->nodes;
1883 for $node (@intcalls) {
1884 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1886 @remotenodes = grep {$_ && (DXChannel::get($_->{call}) || $_->np) } @remotenodes;
1887 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1890 # get all the users connected on the above nodes and send them out
1891 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1893 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1894 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1896 dbg("sent a null value") if isdbg('chanerr');
1902 # route a message down an appropriate interface for a callsign
1904 # is called route(to, pcline);
1909 my ($self, $call, $line) = @_;
1911 if (ref $self && $call eq $self->{call}) {
1912 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1916 # always send it down the local interface if available
1917 my $dxchan = DXChannel::get($call);
1919 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
1921 my $cl = Route::get($call);
1922 $dxchan = $cl->dxchan if $cl;
1924 if (ref $self && $dxchan eq $self) {
1925 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1928 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
1932 # try the backstop method
1934 my $rcall = RouteDB::get($call);
1936 if ($self && $rcall eq $self->{call}) {
1937 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1940 $dxchan = DXChannel::get($rcall);
1941 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
1946 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1948 $dxchan->send($routeit) unless $dxchan == $main::me;
1951 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1956 # obtain the hops from the list for this callsign and pc no
1962 my $hops = $DXProt::hopcount{$pcno};
1963 $hops = $DXProt::def_hopcount if !$hops;
1968 # adjust the hop count on a per node basis using the user loadable
1969 # hop table if available or else decrement an existing one
1976 my $call = $self->{call};
1979 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1980 my ($pcno) = $s =~ /^PC(\d\d)/o;
1981 confess "$call called adjust_hops with '$s'" unless $pcno;
1982 my $ref = $nodehops{$call} if %nodehops;
1984 my $newhops = $ref->{$pcno};
1985 return "" if defined $newhops && $newhops == 0;
1986 $newhops = $ref->{default} unless $newhops;
1987 return "" if defined $newhops && $newhops == 0;
1988 $newhops = $hops if !$newhops;
1989 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1991 # simply decrement it
1992 # $hops--; this is done on receipt now
1993 return "" if !$hops;
1994 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2006 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2007 do "$main::data/hop_table.pl";
2013 # add a ping request to the ping queues
2016 my ($from, $to, $via) = @_;
2017 my $thing = Thingy::Ping->new_ping($from eq $main::mycall ? () : (user=>$from), $via ? (touser=> $to, group => $via) : (group => $to));
2024 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2025 if ($tonode eq $main::mycall) {
2026 my $ref = DXUser->get_current($fromnode);
2027 my $cref = Route::Node::get($fromnode);
2028 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2029 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2030 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2031 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2032 my $oldpriv = $self->{priv};
2033 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2034 my @in = (DXCommandmode::run_cmd($self, $cmd));
2035 $self->{priv} = $oldpriv;
2036 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2037 delete $self->{remotecmd};
2039 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2042 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2045 my $ref = DXUser->get_current($tonode);
2046 if ($ref && $ref->is_clx) {
2047 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2049 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2054 sub process_rcmd_reply
2056 my ($self, $tonode, $fromnode, $user, $line) = @_;
2057 if ($tonode eq $main::mycall) {
2058 my $s = $rcmds{$fromnode};
2060 my $dxchan = DXChannel::get($s->{call});
2061 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2062 $ref->send($line) if $ref;
2063 delete $rcmds{$fromnode} if !$dxchan;
2065 # send unsolicited ones to the sysop
2066 my $dxchan = DXChannel::get($main::myalias);
2067 $dxchan->send($line) if $dxchan;
2070 my $ref = DXUser->get_current($tonode);
2071 if ($ref && $ref->is_clx) {
2072 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2074 $self->route($tonode, pc35($fromnode, $tonode, $line));
2083 my $fromnode = shift;
2088 Log('rcmd', 'out', $fromnode, $line);
2089 if ($self->is_clx) {
2090 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2092 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2097 # add a rcmd request to the rcmd queues
2100 my ($self, $to, $cmd) = @_;
2103 $r->{call} = $self->{call};
2104 $r->{t} = $main::systime;
2108 my $ref = Route::Node::get($to);
2109 my $dxchan = $ref->dxchan;
2110 if ($dxchan && $dxchan->is_clx) {
2111 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2113 route(undef, $to, pc34($main::mycall, $to, $cmd));
2120 my $pc39flag = shift;
2121 my $call = $self->call;
2123 return if $self->{disconnecting}++;
2125 unless ($pc39flag && $pc39flag == 1) {
2126 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2129 # get rid of any PC16/17/19
2130 eph_del_regex("^PC1[679]*$call");
2132 # do routing stuff, remove me from routing table
2133 my $node = Route::Node::get($call);
2136 @rout = $node->del($main::routeroot);
2138 # and all my ephemera as well
2141 eph_del_regex("^PC1[679].*$c");
2145 RouteDB::delete_interface($call);
2147 # remove them from the pc19list as well
2148 while (my ($k,$v) = each %pc19list) {
2149 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2151 $pc19list{$k} = \@l;
2153 delete $pc19list{$k};
2157 eph_del_regex("^PC1[679].*$k");
2160 # unbusy and stop and outgoing mail
2161 my $mref = DXMsg::get_busy($call);
2162 $mref->stop_msg($call) if $mref;
2164 # broadcast to all other nodes that all the nodes connected to via me are gone
2165 unless ($pc39flag && $pc39flag == 2) {
2166 my $thing = Thingy::Bye->new(user=>$call);
2167 $thing->broadcast($self);
2169 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2172 # remove outstanding pings
2173 Thingy::Ping::forget($call);
2175 # I was the last node visited
2176 $self->user->node($main::mycall);
2178 # send info to all logged in thingies
2179 $self->tell_login('logoutn');
2181 Log('DXProt', $call . " Disconnected");
2183 $self->SUPER::disconnect;
2188 # send a talk message to this thingy
2192 my ($self, $from, $to, $via, $line, $origin) = @_;
2194 $line =~ s/\^/\\5E/g; # remove any ^ characters
2195 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2196 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2199 # send it if it isn't the except list and isn't isolated and still has a hop count
2200 # taking into account filtering and so on
2206 my $generate = shift;
2207 my $no = shift; # the no of things to filter on
2209 my ($filter, $hops);
2212 for (; @_ && $no; $no--) {
2215 if (!$self->{isolate} && $self->{routefilter}) {
2218 ($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});
2222 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2225 dbg("was sent a null value") if isdbg('chanerr');
2228 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2232 foreach my $line (&$generate(@rin, @_)) {
2235 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2237 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2238 next unless $routeit;
2241 $self->send($routeit);
2250 my $generate = shift;
2252 my @dxchan = DXChannel::get_all_nodes();
2255 unless ($self->{isolate}) {
2256 foreach $dxchan (@dxchan) {
2257 next if $dxchan == $self;
2258 next if $dxchan == $main::me;
2259 next unless $dxchan->isa('DXProt');
2260 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2262 $dxchan->send_route($origin, $generate, @_);
2270 return unless $self->user->wantpc16;
2273 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2279 return unless $self->user->wantpc16;
2282 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2290 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2298 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2306 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2314 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2322 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2329 my ($filter, $hops) = (1, 1);
2331 if ($self->{inroutefilter}) {
2332 ($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);
2333 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2341 my $t = shift || $eph_restime;
2345 $s =~ s/\^H\d\d?\^?\~?$//;
2346 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2347 $eph{$s} = $main::systime + $t;
2348 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2356 while (($key, $val) = each %eph) {
2357 if ($key =~ m{$regex}) {
2367 while (($key, $val) = each %eph) {
2368 if ($main::systime >= $val) {
2379 while (($key, $val) = each %eph) {
2380 push @out, $key, $val;
2387 goto &DXCommandmode::run_cmd;
2391 # import any msgs in the chat directory
2392 # the messages are sent to the chat group which forms the
2393 # the first part of the name (eg: solar.1243.txt would be
2394 # sent to chat group SOLAR)
2396 # Each message found is sent: one non-blank line to one chat
2397 # message. So 4 lines = 4 chat messages.
2399 # The special name LOCAL is for local users ANN
2400 # The special name ALL is for ANN/FULL
2401 # The special name SYSOP is for ANN/SYSOP
2405 # are there any to do in this directory?
2406 return unless -d $chatimportfn;
2407 unless (opendir(DIR, $chatimportfn)) {
2408 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2409 Log('msg', "can\'t open $chatimportfn $!");
2413 my @names = readdir(DIR);
2416 foreach $name (@names) {
2417 next if $name =~ /^\./;
2418 my $splitit = $name =~ /^split/;
2419 my $fn = "$chatimportfn/$name";
2421 unless (open(MSG, $fn)) {
2422 dbg("can\'t open import file $fn $!") if isdbg('msg');
2423 Log('msg', "can\'t open import file $fn $!");
2427 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2431 my @cat = split /\./, $name;
2432 my $target = uc $cat[0];
2434 foreach my $text (@msg) {
2435 next unless $text && $text !~ /^\s*#/;
2436 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2437 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2438 if ($target ne 'LOCAL') {
2439 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2441 Log('ann', 'LOCAL', $main::mycall, $text);
2442 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2445 my $msgid = nextchatmsgid();
2446 $text = "#$msgid $text";
2447 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');