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
55 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
56 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
58 $last_hour = time; # last time I did an hourly periodic update
59 %rcmds = (); # outstanding rcmd requests outbound
60 %nodehops = (); # node specific hop control
61 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
63 $censorpc = 1; # Do a BadWords::check on text fields and reject things
64 # loads of 'bad things'
65 $baddx = new DXHash "baddx";
66 $badspotter = new DXHash "badspotter";
67 $badnode = new DXHash "badnode";
68 $last10 = $last_pc50 = time;
72 $eph_info_restime = 60*60;
73 $eph_pc34_restime = 30;
76 $chatdupeage = 20 * 60 * 60;
77 $chatimportfn = "$main::root/chat_import";
78 $investigation_int = 12*60*60; # time between checks to see if we can see this node
79 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
83 [ qw(i c c m bp bc c) ], # pc10
84 [ qw(i f m d t m c c h) ], # pc11
85 [ qw(i c bm m bm bm p h) ], # pc12
89 undef , # pc16 has to be validated manually
90 [ qw(i c c h) ], # pc17
92 undef , # pc19 has to be validated manually
93 undef , # pc20 no validation
94 [ qw(i c m h) ], # pc21
95 undef , # pc22 no validation
96 [ qw(i d n n n n m c c h) ], # pc23
97 [ qw(i c p h) ], # pc24
98 [ qw(i c c n n) ], # pc25
99 [ qw(i f m d t m c c bc) ], # pc26
100 [ qw(i d n n n n m c c bc) ], # pc27
101 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
102 [ qw(i c c n m) ], # pc29
103 [ qw(i c c n) ], # pc30
104 [ qw(i c c n) ], # pc31
105 [ qw(i c c n) ], # pc32
106 [ qw(i c c n) ], # pc33
107 [ qw(i c c m) ], # pc34
108 [ qw(i c c m) ], # pc35
109 [ qw(i c c m) ], # pc36
110 [ qw(i c c n m) ], # pc37
111 undef, # pc38 not interested
112 [ qw(i c m) ], # pc39
113 [ qw(i c c m p n) ], # pc40
114 [ qw(i c n m h) ], # pc41
115 [ qw(i c c n) ], # pc42
116 undef, # pc43 don't handle it
117 [ qw(i c c n m m c) ], # pc44
118 [ qw(i c c n m) ], # pc45
119 [ qw(i c c n) ], # pc46
122 [ qw(i c m h) ], # pc49
123 [ qw(i c n h) ], # pc50
124 [ qw(i c c n) ], # pc51
146 [ qw(i d n n n n n n m m m c c h) ], # pc73
157 [ qw(i c c c m) ], # pc84
158 [ qw(i c c c m) ], # pc85
163 [ qw(i c n) ], # pc90
166 # use the entry in the check list to check the field list presented
167 # return OK if line NOT in check list (for now)
172 return 0 if $n < 0 || $n > @checklist;
173 my $ref = $checklist[$n];
174 return 0 unless ref $ref;
177 for ($i = 1; $i < @$ref; $i++) {
178 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
179 return 0 unless $act;
180 next if $blank && $_[$i] =~ /^[ \*]$/;
182 return $i unless is_callsign($_[$i]);
183 } elsif ($act eq 'i') {
185 } elsif ($act eq 'm') {
186 return $i unless is_pctext($_[$i]);
187 } elsif ($act eq 'p') {
188 return $i unless is_pcflag($_[$i]);
189 } elsif ($act eq 'f') {
190 return $i unless is_freq($_[$i]);
191 } elsif ($act eq 'n') {
192 return $i unless $_[$i] =~ /^[\d ]+$/;
193 } elsif ($act eq 'h') {
194 return $i unless $_[$i] =~ /^H\d\d?$/;
195 } elsif ($act eq 'd') {
196 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
197 } elsif ($act eq 't') {
198 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
206 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
209 my $user = DXUser->get($main::mycall);
210 die "User $main::mycall not setup or disappeared RTFM" unless $user;
212 $myprot_version += $main::version*100;
213 $main::me = DXProt->new($main::mycall, 0, $user);
214 $main::me->{here} = 1;
215 $main::me->{state} = "indifferent";
216 $main::me->{sort} = 'S'; # S for spider
217 $main::me->{priv} = 9;
218 $main::me->{metric} = 0;
219 $main::me->{pingave} = 0;
220 $main::me->{registered} = 1;
221 $main::me->{version} = $main::version;
222 $main::me->{build} = $main::build;
226 # obtain a new connection this is derived from dxchannel
231 my $self = DXChannel::alloc(@_);
233 # add this node to the table, the values get filled in later
236 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
241 # this is how a pc connection starts (for an incoming connection)
242 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
243 # all the crap that comes between).
246 my ($self, $line, $sort) = @_;
247 my $call = $self->{call};
248 my $user = $self->{user};
251 my $host = $self->{conn}->{peerhost};
252 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
255 Log('DXProt', "$call connected from $host");
257 # remember type of connection
258 $self->{consort} = $line;
259 $self->{outbound} = $sort eq 'O';
260 my $priv = $user->priv;
261 $priv = $user->priv(1) unless $priv;
262 $self->{priv} = $priv; # other clusters can always be 'normal' users
263 $self->{lang} = $user->lang || 'en';
264 $self->{isolate} = $user->{isolate};
265 $self->{consort} = $line; # save the connection type
269 # sort out registration
270 $self->{registered} = 1;
272 # get the output filters
273 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
274 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
275 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
276 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
277 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
280 # get the INPUT filters (these only pertain to Clusters)
281 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
282 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
283 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
284 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
285 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
287 # set unbuffered and no echo
288 $self->send_now('B',"0");
289 $self->send_now('E',"0");
290 $self->conn->echo(0) if $self->conn->can('echo');
292 # ping neighbour node stuff
293 my $ping = $user->pingint;
294 $ping = $pingint unless defined $ping;
295 $self->{pingint} = $ping;
296 $self->{nopings} = $user->nopings || $obscount;
297 $self->{pingtime} = [ ];
298 $self->{pingave} = 999;
299 $self->{metric} ||= 100;
300 $self->{lastping} = $main::systime;
302 # send initialisation string
303 unless ($self->{outbound}) {
307 $self->state('init');
308 $self->{pc50_t} = $main::systime;
310 # send info to all logged in thingies
311 $self->tell_login('loginn');
313 # run a script send the output to the debug file
314 my $script = new Script(lc $call) || new Script('node_default');
315 $script->run($self) if $script;
319 # send outgoing 'challenge'
329 # This is the normal pcxx despatcher
333 my ($self, $line) = @_;
335 if ($line =~ '^<\w+\s' && $main::do_xml) {
336 DXXml::normal($self, $line);
340 my @field = split /\^/, $line;
341 return unless @field;
343 pop @field if $field[-1] eq '~';
345 # print join(',', @field), "\n";
348 # process PC frames, this will fail unless the frame starts PCnn
349 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
350 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
351 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
355 # check for and dump bad protocol messages
356 my $n = check($pcno, @field);
358 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
362 my $origin = $self->{call};
364 my $sub = "handle_$pcno";
366 if ($self->can($sub)) {
367 $self->$sub($pcno, $line, $origin, @field);
369 $self->handle_default($pcno, $line, $origin, @field);
373 # incoming talk commands
382 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
384 # will we allow it at all?
387 if (@bad = BadWords::check($_[3])) {
388 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
393 # is it for me or one of mine?
394 my ($from, $to, $via, $call, $dxchan);
403 # if this is a 'nodx' node then ignore it
404 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
405 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
409 # if this is a 'bad spotter' user then ignore it
411 $nossid =~ s/-\d+$//;
412 if ($badspotter->in($nossid)) {
413 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
417 # if we are converting announces to talk is it a dup?
419 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
420 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
425 # remember a route to this node and also the node on which this user is
426 RouteDB::update($_[6], $self->{call});
427 # RouteDB::update($to, $_[6]);
429 # it is here and logged on
430 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
431 $dxchan = DXChannel::get($to) unless $dxchan;
432 if ($dxchan && $dxchan->is_user) {
434 $dxchan->talk($from, $to, $via, $_[3]);
438 # is it elsewhere, visible on the cluster via the to address?
439 # note: this discards the via unless the to address is on
442 if ($ref = Route::get($to)) {
443 $vref = Route::Node::get($via) if $via;
444 $vref = undef unless $vref && grep $to eq $_, $vref->users;
445 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
449 # can we see an interface to send it down?
451 # not visible here, send a message of condolence
453 $ref = Route::get($from);
454 $vref = $ref = Route::Node::get($_[6]) unless $ref;
456 $dxchan = $ref->dxchan;
457 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
469 # route 'foreign' pc26s
471 if ($_[7] ne $main::mycall) {
472 $self->route($_[7], $line);
478 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
480 # is the spotted callsign blank? This should really be trapped earlier but it
481 # could break other protocol sentences. Also check for lower case characters.
482 if ($_[2] =~ /^\s*$/) {
483 dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
486 if ($_[2] =~ /[a-z]/) {
487 dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
492 # if this is a 'nodx' node then ignore it
493 if ($badnode->in($_[7])) {
494 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
498 # if this is a 'bad spotter' user then ignore it
500 $nossid =~ s/-\d+$//;
501 if ($badspotter->in($nossid)) {
502 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
506 # convert the date to a unix date
507 my $d = cltounix($_[3], $_[4]);
508 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
509 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
510 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
515 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
516 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
521 $_[5] =~ s/^\s+//; # take any leading blanks off
522 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
523 if ($_[2] =~ /BUST\w*$/) {
524 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
529 if (@bad = BadWords::check($_[5])) {
530 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
536 # RouteDB::update($_[7], $self->{call});
537 # RouteDB::update($_[6], $_[7]);
539 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
540 # global spot filtering on INPUT
541 if ($self->{inspotsfilter}) {
542 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
544 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
549 # this goes after the input filtering, but before the add
550 # so that if it is input filtered, it isn't added to the dup
551 # list. This allows it to come in from a "legitimate" source
552 if (Spot::dup(@spot[0..4,5])) {
553 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
561 # @spot at this point contains:-
562 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
563 # then spotted itu, spotted cq, spotters itu, spotters cq
564 # you should be able to route on any of these
567 # fix up qra locators of known users
568 my $user = DXUser->get_current($spot[4]);
570 my $qra = $user->qra;
571 unless ($qra && is_qra($qra)) {
572 my $lat = $user->lat;
573 my $long = $user->long;
574 if (defined $lat && defined $long) {
575 $user->qra(DXBearing::lltoqra($lat, $long));
580 # send a remote command to a distant cluster if it is visible and there is no
581 # qra locator and we havn't done it for a month.
583 unless ($user->qra) {
585 my $to = $user->homenode;
586 my $last = $user->lastoper || 0;
587 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
588 my $cmd = "forward/opernam $spot[4]";
589 # send the rcmd but we aren't interested in the replies...
590 my $dxchan = $node->dxchan;
591 if ($dxchan && $dxchan->is_clx) {
592 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
594 route(undef, $to, pc34($main::mycall, $to, $cmd));
598 $node = Route::Node::get($to);
600 $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 $user->lastoper($main::systime);
617 $r = Local::spot($self, @spot);
619 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
622 # DON'T be silly and send on PC26s!
623 return if $pcno == 26;
625 # send out the filtered spots
626 send_dx_spot($self, $line, @spot) if @spot;
637 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
639 # announce duplicate checking
640 $_[3] =~ s/^\s+//; # remove leading blanks
644 if (@bad = BadWords::check($_[3])) {
645 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
650 # if this is a 'nodx' node then ignore it
651 if ($badnode->in($_[5])) {
652 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
656 # if this is a 'bad spotter' user then ignore it
658 $nossid =~ s/-\d+$//;
659 if ($badspotter->in($nossid)) {
660 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
667 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
668 $self->send_chat($line, @_[1..6]);
669 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
672 # RouteDB::update($_[5], $self->{call});
673 # RouteDB::update($_[1], $_[5]);
675 # ignore something that looks like a chat line coming in with sysop
676 # flag - this is a kludge...
677 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
678 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
682 # here's a bit of fun, convert incoming ann with a callsign in the first word
683 # or one saying 'to <call>' to a talk if we can route to the recipient
685 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
687 my $ref = Route::get($call);
689 $dxchan = $ref->dxchan;
690 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
697 $self->send_announce($line, @_[1..6]);
699 $self->route($_[2], $line);
714 my $newline = "PC16^";
716 # dos I want users from this channel?
717 unless ($self->user->wantpc16) {
718 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
722 if ($ncall eq $main::mycall) {
723 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
728 $h = 1 if DXChannel::get($ncall);
729 RouteDB::update($ncall, $self->{call}, $h);
731 if (eph_dup($line)) {
732 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
737 dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
741 my $parent = Route::Node::get($ncall);
744 $dxchan = $parent->dxchan;
745 if ($dxchan && $dxchan ne $self) {
746 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
750 # input filter if required
751 return unless $self->in_filter_route($parent);
756 for ($i = 2; $i < $#_; $i++) {
757 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
758 next unless $call && $conf && defined $here && is_callsign($call);
759 next if $call eq $main::mycall;
761 eph_del_regex("^PC17\\^$call\\^$ncall");
763 $conf = $conf eq '*';
765 # reject this if we think it is a node already
766 my $r = Route::Node::get($call);
767 my $u = DXUser->get_current($call) unless $r;
768 if ($r || ($u && $u->is_node)) {
769 dbg("PCPROT: $call is a node") if isdbg('chanerr');
773 $r = Route::User::get($call);
774 my $flags = Route::here($here)|Route::conf($conf);
777 my $au = $r->addparent($parent);
778 if ($r->flags != $flags) {
782 push @rout, $r if $au;
784 push @rout, $parent->add_user($call, $flags);
787 # send info to all logged in thingies
788 $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
789 $self->tell_buddies('loginb', $call, $ncall);
791 # add this station to the user database, if required
792 # $call =~ s/-\d+$//o; # remove ssid for users
793 my $user = DXUser->get_current($call);
794 $user = DXUser->new($call) if !$user;
795 $user->homenode($parent->call) if !$user->homenode;
796 $user->node($parent->call);
797 $user->lastin($main::systime) unless DXChannel::get($call);
800 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
815 eph_del_regex("^PC16\\^$ncall.*$ucall");
817 # do I want users from this channel?
818 unless ($self->user->wantpc16) {
819 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
822 if ($ncall eq $main::mycall) {
823 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
827 RouteDB::delete($ncall, $self->{call});
829 unless ($ncall eq $self->{call}) {
830 dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
834 my $uref = Route::User::get($ucall);
836 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
838 my $parent = Route::Node::get($ncall);
840 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
843 $dxchan = $parent->dxchan if $parent;
844 if ($dxchan && $dxchan ne $self) {
845 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
849 # input filter if required and then remove user if present
851 # return unless $self->in_filter_route($parent);
852 $parent->del_user($uref) if $uref;
854 $parent = Route->new($ncall); # throw away
857 # send info to all logged in thingies
858 $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
859 $self->tell_buddies('logoutb', $ucall, $ncall);
861 if (eph_dup($line)) {
862 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
866 $uref = Route->new($ucall) unless $uref; # throw away
867 $self->route_pc17($origin, $line, $parent, $uref);
877 $self->state('init');
879 # record the type and version offered
880 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
881 $self->version(53 + $1);
882 $self->user->version(53 + $1);
883 $self->build(0 + $2);
884 $self->user->build(0 + $2);
885 unless ($self->is_spider) {
886 $self->user->sort('S');
890 $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
891 $self->{do_pc92}++ if $_[1] =~ /\bpc92\b/;
893 $self->version(50.0);
894 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
895 $self->user->version($self->version);
898 # first clear out any nodes on this dxchannel
899 my $parent = Route::Node::get($self->{call});
900 my @rout = $parent->del_nodes;
901 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
902 $self->send_local_config();
906 # incoming cluster list
915 my $newline = "PC19^";
920 # first get the INTERFACE node
921 my $parent = Route::Node::get($self->{call});
923 dbg("DXPROT: my parent $self->{call} has disappeared");
930 # We are making a major change from now on. We are only going to accept
931 # PC19s from directly connected nodes. This means that we are probably
932 # going to throw away most of the data that we are being sent.
934 # The justification for this is that most of it is wrong or out of date
937 # From now on we are only going to believe PC92 data.
939 for ($i = 1; $i < $#_-1; $i += 4) {
941 my $call = uc $_[$i+1];
944 next unless defined $here && defined $conf && is_callsign($call);
946 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
948 # check for sane parameters
949 # $ver = 5000 if $ver eq '0000';
950 next unless $ver && $ver =~ /^\d+$/;
951 next if $ver < 5000; # only works with version 5 software
952 next if length $call < 3; # min 3 letter callsigns
953 next if $call eq $main::mycall;
955 # check that this PC19 isn't trying to alter the wrong dxchan
956 my $dxchan = DXChannel::get($call);
957 if ($dxchan && $dxchan != $self) {
958 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
962 # add this station to the user database, if required (don't remove SSID from nodes)
963 my $user = DXUser->get_current($call);
965 $user = DXUser->new($call);
966 $user->priv(1); # I have relented and defaulted nodes
968 $user->homenode($call);
971 $user->sort('A') unless $user->is_node;
973 # if (eph_dup($genline)) {
974 # dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
978 RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
981 dbg("PCPROT: PC19 not directly connected, ignored") if isdbg('chanerr');
985 my $r = Route::Node::get($call);
986 my $flags = Route::here($here)|Route::conf($conf);
988 # modify the routing table if it is in it, otherwise store it in the pc19list for now
991 if ($call ne $parent->call) {
992 if ($self->in_filter_route($r)) {
993 $ar = $parent->add($call, $ver, $flags);
994 # push @rout, $ar if $ar;
999 if ($r->version ne $ver || $r->flags != $flags) {
1005 if ($call eq $self->{call} || $user->wantroutepc19) {
1006 my $new = Route->new($call); # throw away
1007 if ($self->in_filter_route($new)) {
1008 my $ar = $parent->add($call, $ver, $flags);
1009 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1010 push @rout, $ar if $ar;
1017 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1018 my $mref = DXMsg::get_busy($call);
1019 $mref->stop_msg($call) if $mref;
1021 $user->lastin($main::systime) unless DXChannel::get($call);
1025 # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
1026 # but remember there will only be one (pair) these because any extras will be
1029 $self->route_pc21($self->{call}, $line, @rout);
1030 $self->route_pc19($self->{call}, $line, @rout);
1034 # send local configuration
1041 $self->send_local_config();
1042 $self->send(pc22());
1043 $self->state('normal');
1044 $self->{lastping} = 0;
1047 # delete a cluster from the list
1049 # This should never occur for directly connected nodes.
1057 my $call = uc $_[1];
1059 eph_del_regex("^PC1[679].*$call");
1061 # if I get a PC21 from the same callsign as self then ignore it
1062 if ($call eq $self->call) {
1063 dbg("PCPROT: self referencing PC21 from $self->{call}");
1067 RouteDB::delete($call, $self->{call});
1069 my $parent = Route::Node::get($self->{call});
1071 dbg("PCPROT: my parent $self->{call} has disappeared");
1078 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1079 my $node = Route::Node::get($call);
1082 my $dxchan = DXChannel::get($call);
1083 if ($dxchan && $dxchan != $self) {
1084 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1089 return unless $self->in_filter_route($node);
1092 push @rout, $node->del($parent);
1095 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1099 $self->route_pc21($origin, $line, @rout) if @rout;
1109 $self->state('normal');
1110 $self->{lastping} = 0;
1121 # route foreign' pc27s
1123 if ($_[8] ne $main::mycall) {
1124 $self->route($_[8], $line);
1129 # only do a rspf check on PC23 (not 27)
1131 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1135 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1136 my $sfi = unpad($_[3]);
1137 my $k = unpad($_[4]);
1138 my $i = unpad($_[5]);
1139 my ($r) = $_[6] =~ /R=(\d+)/;
1141 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1142 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1146 # global wwv filtering on INPUT
1147 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
1148 if ($self->{inwwvfilter}) {
1149 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
1151 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
1155 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1156 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
1157 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1161 # note this only takes the first one it gets
1162 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1166 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1168 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1171 # DON'T be silly and send on PC27s!
1172 return if $pcno == 27;
1174 # broadcast to the eager world
1175 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1185 my $call = uc $_[1];
1187 $nref = Route::Node::get($call);
1188 $uref = Route::User::get($call);
1189 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1191 if (eph_dup($line)) {
1192 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1196 $nref->here($_[2]) if $nref;
1197 $uref->here($_[2]) if $uref;
1198 my $ref = $nref || $uref;
1199 return unless $self->in_filter_route($ref);
1201 $self->route_pc24($origin, $line, $ref, $_[3]);
1211 if ($_[1] ne $main::mycall) {
1212 $self->route($_[1], $line);
1215 if ($_[2] eq $main::mycall) {
1216 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1220 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1224 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1227 $self->send(pc26(@{$in}[0..4], $_[2]));
1233 my @in = reverse Geomag::search(0, $_[4], time, 1);
1236 $self->send(pc27(@{$in}[0..5], $_[2]));
1241 sub handle_26 {goto &handle_11}
1242 sub handle_27 {goto &handle_23}
1244 # mail/file handling
1251 if ($_[1] eq $main::mycall) {
1253 my $sub = "DXMsg::handle_$pcno";
1256 $self->route($_[1], $line) unless $self->is_clx;
1260 sub handle_29 {goto &handle_28}
1261 sub handle_30 {goto &handle_28}
1262 sub handle_31 {goto &handle_28}
1263 sub handle_32 {goto &handle_28}
1264 sub handle_33 {goto &handle_28}
1272 if (eph_dup($line, $eph_pc34_restime)) {
1273 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1275 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1279 # remote command replies
1286 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1287 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1290 sub handle_36 {goto &handle_34}
1299 if ($_[1] eq $main::mycall) {
1301 my $sub = "DXDb::handle_$pcno";
1304 $self->route($_[1], $line) unless $self->is_clx;
1308 # node connected list from neighbour
1317 # incoming disconnect
1324 if ($_[1] eq $self->{call}) {
1325 $self->disconnect(1);
1327 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1331 sub handle_40 {goto &handle_28}
1343 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1344 if (eph_dup($l, $eph_info_restime)) {
1345 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1349 # input filter if required
1350 # my $ref = Route::get($call) || Route->new($call);
1351 # return unless $self->in_filter_route($ref);
1353 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1354 dbg('PCPROT: invalid value') if isdbg('chanerr');
1358 # add this station to the user database, if required
1359 my $user = DXUser->get_current($call);
1360 $user = DXUser->new($call) unless $user;
1364 } elsif ($_[2] == 2) {
1366 } elsif ($_[2] == 3) {
1367 if (is_latlong($_[3])) {
1368 my ($lat, $long) = DXBearing::stoll($_[3]);
1371 $user->qra(DXBearing::lltoqra($lat, $long));
1373 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1376 } elsif ($_[2] == 4) {
1377 $user->homenode($_[3]);
1378 } elsif ($_[2] == 5) {
1379 if (is_qra(uc $_[3])) {
1380 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1383 $user->qra(uc $_[3]);
1385 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1389 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1392 unless ($self->{isolate}) {
1393 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1396 # perhaps this IS what we want after all
1397 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1400 sub handle_42 {goto &handle_28}
1404 sub handle_44 {goto &handle_37}
1405 sub handle_45 {goto &handle_37}
1406 sub handle_46 {goto &handle_37}
1407 sub handle_47 {goto &handle_37}
1408 sub handle_48 {goto &handle_37}
1410 # message and database
1418 if (eph_dup($line)) {
1419 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1423 if ($_[1] eq $main::mycall) {
1424 DXMsg::handle_49($self, @_);
1426 $self->route($_[1], $line) unless $self->is_clx;
1430 # keep alive/user list
1440 RouteDB::update($call, $self->{call});
1442 my $node = Route::Node::get($call);
1444 return unless $node->call eq $self->{call};
1445 $node->usercount($_[2]);
1447 # input filter if required
1448 return unless $self->in_filter_route($node);
1450 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1454 # incoming ping requests/answers
1467 if ($to eq $main::mycall) {
1469 $self->send(pc51($from, $to, '0'));
1471 DXXml::Ping::handle_ping_reply($self, $from);
1475 RouteDB::update($from, $self->{call});
1477 if (eph_dup($line)) {
1478 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1481 # route down an appropriate thingy
1482 $self->route($to, $line);
1486 # dunno but route it
1494 if ($call ne $main::mycall) {
1495 $self->route($call, $line);
1509 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1510 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1511 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1514 @_ = map { unpad($_) } @_;
1516 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1520 my $wcy = WCY::update($d, @_[2..12]);
1524 $rep = Local::wcy($self, @_[1..12]);
1526 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1529 # broadcast to the eager world
1530 send_wcy_spot($self, $line, $d, @_[2..12]);
1533 # remote commands (incoming)
1540 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1543 # remote command replies
1550 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1553 # DXSpider routing entries
1561 $self->{do_pc92} ||= 1;
1564 # if get here then rebroadcast the thing with its Hop count decremented (if
1565 # there is one). If it has a hop count and it decrements to zero then don't
1568 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1579 if (eph_dup($line)) {
1580 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1582 unless ($self->{isolate}) {
1583 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1589 # This is called from inside the main cluster processing loop and is used
1590 # for despatching commands that are doing some long processing job
1595 my @dxchan = DXChannel::get_all();
1599 # send out a pc50 on EVERY channel all at once
1600 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1601 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1606 foreach $dxchan (@dxchan) {
1607 next unless $dxchan->is_node;
1608 next if $dxchan->handle_xml;
1609 next if $dxchan == $main::me;
1612 $dxchan->send($pc50s) if $pc50s;
1614 # send a ping out on this channel
1615 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1616 if ($dxchan->{nopings} <= 0) {
1617 $dxchan->disconnect;
1619 DXXml::Ping::add($main::me, $dxchan->call);
1620 $dxchan->{nopings} -= 1;
1621 $dxchan->{lastping} = $t;
1622 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
1627 Investigate::process();
1630 if ($t - $last10 >= 10) {
1631 # clean out ephemera
1640 if ($main::systime - 3600 > $last_hour) {
1641 $last_hour = $main::systime;
1646 # finish up a pc context
1650 # some active measures
1658 my @dxchan = DXChannel::get_all();
1661 # send it if it isn't the except list and isn't isolated and still has a hop count
1662 # taking into account filtering and so on
1663 foreach $dxchan (@dxchan) {
1664 next if $dxchan == $main::me;
1665 next if $dxchan == $self && $self->is_node;
1666 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1674 my $isolate = shift;
1675 my ($filter, $hops);
1677 if ($self->{spotsfilter}) {
1678 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1679 return unless $filter;
1681 send_prot_line($self, $filter, $hops, $isolate, $line);
1686 my ($self, $filter, $hops, $isolate, $line) = @_;
1692 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1694 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1695 return unless $routeit;
1698 $self->send($routeit);
1700 $self->send($routeit) unless $self->{isolate} || $isolate;
1709 my @dxchan = DXChannel::get_all();
1711 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1713 # send it if it isn't the except list and isn't isolated and still has a hop count
1714 # taking into account filtering and so on
1715 foreach $dxchan (@dxchan) {
1716 next if $dxchan == $main::me;
1717 next if $dxchan == $self && $self->is_node;
1719 my ($filter, $hops);
1721 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1729 my $isolate = shift;
1730 my ($filter, $hops);
1732 if ($self->{wwvfilter}) {
1733 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
1734 return unless $filter;
1736 send_prot_line($self, $filter, $hops, $isolate, $line)
1743 my @dxchan = DXChannel::get_all();
1745 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1747 # send it if it isn't the except list and isn't isolated and still has a hop count
1748 # taking into account filtering and so on
1749 foreach $dxchan (@dxchan) {
1750 next if $dxchan == $main::me;
1751 next if $dxchan == $self;
1753 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1761 my $isolate = shift;
1762 my ($filter, $hops);
1764 if ($self->{wcyfilter}) {
1765 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1766 return unless $filter;
1768 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1776 my @dxchan = DXChannel::get_all();
1780 my $text = unpad($_[2]);
1782 if ($_[3] eq '*') { # sysops
1784 } elsif ($_[3] gt ' ') { # speciality list handling
1785 my ($name) = split /\./, $_[3];
1786 $target = "$name"; # put the rest in later (if bothered)
1793 $target = "ALL" if !$target;
1796 # obtain country codes etc
1797 my @a = Prefix::cty_data($_[0]);
1798 my @b = Prefix::cty_data($_[4]);
1799 if ($self->{inannfilter}) {
1800 my ($filter, $hops) =
1801 $self->{inannfilter}->it(@_, $self->{call},
1803 @b[0..2], $a[3], $b[3]);
1805 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1810 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1811 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1815 Log('ann', $target, $_[0], $text);
1817 # send it if it isn't the except list and isn't isolated and still has a hop count
1818 # taking into account filtering and so on
1819 foreach $dxchan (@dxchan) {
1820 next if $dxchan == $main::me;
1821 next if $dxchan == $self && $self->is_node;
1822 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1823 @a[0..2], @b[0..2]);
1832 $msgid = 1 if $msgid > 999;
1841 my @dxchan = DXChannel::get_all();
1844 my $text = unpad($_[2]);
1847 # munge the group and recast the line if required
1848 if ($target =~ s/\.LST$//) {
1852 # obtain country codes etc
1853 my @a = Prefix::cty_data($_[0]);
1854 my @b = Prefix::cty_data($_[4]);
1855 if ($self->{inannfilter}) {
1856 my ($filter, $hops) =
1857 $self->{inannfilter}->it(@_, $self->{call},
1859 @b[0..2], $a[3], $b[3]);
1861 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1866 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1867 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1872 Log('chat', $target, $_[0], $text);
1874 # send it if it isn't the except list and isn't isolated and still has a hop count
1875 # taking into account filtering and so on
1876 foreach $dxchan (@dxchan) {
1877 my $is_ak1a = $dxchan->is_ak1a;
1879 if ($dxchan->is_node) {
1880 next if $dxchan == $main::me;
1881 next if $dxchan == $self;
1882 next unless $dxchan->is_spider || $is_ak1a;
1883 next if $target eq 'LOCAL';
1884 if (!$ak1a_line && $is_ak1a) {
1885 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1889 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1890 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1898 my $isolate = shift;
1902 my ($filter, $hops);
1904 if ($self->{annfilter}) {
1905 ($filter, $hops) = $self->{annfilter}->it(@_);
1906 return unless $filter;
1908 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1917 sub send_local_config
1925 dbg('DXProt::send_local_config') if isdbg('trace');
1928 if ($self->{isolate}) {
1929 @localnodes = ( $main::routeroot );
1930 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1932 # create a list of all the nodes that are not connected to this connection
1933 # and are not themselves isolated, this to make sure that isolated nodes
1934 # don't appear outside of this node
1936 # send locally connected nodes
1937 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1938 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1939 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1942 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1944 for $node (@rawintcalls) {
1945 push @intcalls, $node unless grep $node eq $_, @intcalls;
1947 my $ref = Route::Node::get($self->{call});
1948 my @rnodes = $ref->nodes;
1949 for $node (@intcalls) {
1950 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1952 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1955 # get all the users connected on the above nodes and send them out
1956 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1958 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1959 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1961 dbg("sent a null value") if isdbg('chanerr');
1967 # route a message down an appropriate interface for a callsign
1969 # is called route(to, pcline);
1974 my ($self, $call, $line) = @_;
1976 if (ref $self && $call eq $self->{call}) {
1977 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1981 # always send it down the local interface if available
1982 my $dxchan = DXChannel::get($call);
1984 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
1986 my $cl = Route::get($call);
1987 $dxchan = $cl->dxchan if $cl;
1989 if (ref $self && $dxchan eq $self) {
1990 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1993 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
1997 # try the backstop method
1999 my $rcall = RouteDB::get($call);
2001 if ($self && $rcall eq $self->{call}) {
2002 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2005 $dxchan = DXChannel::get($rcall);
2006 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2011 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2013 $dxchan->send($routeit) unless $dxchan == $main::me;
2016 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2021 # obtain the hops from the list for this callsign and pc no
2027 my $hops = $DXProt::hopcount{$pcno};
2028 $hops = $DXProt::def_hopcount if !$hops;
2033 # adjust the hop count on a per node basis using the user loadable
2034 # hop table if available or else decrement an existing one
2041 my $call = $self->{call};
2044 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2045 my ($pcno) = $s =~ /^PC(\d\d)/o;
2046 confess "$call called adjust_hops with '$s'" unless $pcno;
2047 my $ref = $nodehops{$call} if %nodehops;
2049 my $newhops = $ref->{$pcno};
2050 return "" if defined $newhops && $newhops == 0;
2051 $newhops = $ref->{default} unless $newhops;
2052 return "" if defined $newhops && $newhops == 0;
2053 $newhops = $hops if !$newhops;
2054 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2056 # simply decrement it
2058 return "" if !$hops;
2059 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2071 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2072 do "$main::data/hop_table.pl";
2079 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2080 if ($tonode eq $main::mycall) {
2081 my $ref = DXUser->get_current($fromnode);
2082 my $cref = Route::Node::get($fromnode);
2083 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2084 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2085 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2086 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2087 my $oldpriv = $self->{priv};
2088 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2089 my @in = (DXCommandmode::run_cmd($self, $cmd));
2090 $self->{priv} = $oldpriv;
2091 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2092 delete $self->{remotecmd};
2094 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2097 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2100 my $ref = DXUser->get_current($tonode);
2101 if ($ref && $ref->is_clx) {
2102 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2104 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2109 sub process_rcmd_reply
2111 my ($self, $tonode, $fromnode, $user, $line) = @_;
2112 if ($tonode eq $main::mycall) {
2113 my $s = $rcmds{$fromnode};
2115 my $dxchan = DXChannel::get($s->{call});
2116 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2117 $ref->send($line) if $ref;
2118 delete $rcmds{$fromnode} if !$dxchan;
2120 # send unsolicited ones to the sysop
2121 my $dxchan = DXChannel::get($main::myalias);
2122 $dxchan->send($line) if $dxchan;
2125 my $ref = DXUser->get_current($tonode);
2126 if ($ref && $ref->is_clx) {
2127 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2129 $self->route($tonode, pc35($fromnode, $tonode, $line));
2138 my $fromnode = shift;
2143 Log('rcmd', 'out', $fromnode, $line);
2144 if ($self->is_clx) {
2145 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2147 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2152 # add a rcmd request to the rcmd queues
2155 my ($self, $to, $cmd) = @_;
2158 $r->{call} = $self->{call};
2159 $r->{t} = $main::systime;
2163 my $ref = Route::Node::get($to);
2164 my $dxchan = $ref->dxchan;
2165 if ($dxchan && $dxchan->is_clx) {
2166 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2168 route(undef, $to, pc34($main::mycall, $to, $cmd));
2175 my $pc39flag = shift;
2176 my $call = $self->call;
2178 return if $self->{disconnecting}++;
2180 unless ($pc39flag && $pc39flag == 1) {
2181 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2184 # get rid of any PC16/17/19
2185 eph_del_regex("^PC1[679]*$call");
2187 # do routing stuff, remove me from routing table
2188 my $node = Route::Node::get($call);
2191 @rout = $node->del($main::routeroot);
2193 # and all my ephemera as well
2196 eph_del_regex("^PC1[679].*$c");
2200 RouteDB::delete_interface($call);
2202 # unbusy and stop and outgoing mail
2203 my $mref = DXMsg::get_busy($call);
2204 $mref->stop_msg($call) if $mref;
2206 # broadcast to all other nodes that all the nodes connected to via me are gone
2207 unless ($pc39flag && $pc39flag == 2) {
2208 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2211 # remove outstanding pings
2212 delete $pings{$call};
2214 # I was the last node visited
2215 $self->user->node($main::mycall);
2217 # send info to all logged in thingies
2218 $self->tell_login('logoutn');
2220 Log('DXProt', $call . " Disconnected");
2222 $self->SUPER::disconnect;
2227 # send a talk message to this thingy
2231 my ($self, $from, $to, $via, $line, $origin) = @_;
2233 $line =~ s/\^/\\5E/g; # remove any ^ characters
2234 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2235 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2238 # send it if it isn't the except list and isn't isolated and still has a hop count
2239 # taking into account filtering and so on
2245 my $generate = shift;
2246 my $no = shift; # the no of things to filter on
2248 my ($filter, $hops);
2251 for (; @_ && $no; $no--) {
2254 if (!$self->{isolate} && $self->{routefilter}) {
2257 ($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});
2261 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2264 dbg("was sent a null value") if isdbg('chanerr');
2267 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2271 foreach my $line (&$generate(@rin, @_)) {
2274 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2276 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2277 next unless $routeit;
2280 $self->send($routeit);
2289 my $generate = shift;
2291 my @dxchan = DXChannel::get_all_nodes();
2294 unless ($self->{isolate}) {
2295 foreach $dxchan (@dxchan) {
2296 next if $dxchan == $self;
2297 next if $dxchan == $main::me;
2298 next unless $dxchan->isa('DXProt');
2299 next if $self->{do_pc92};
2300 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2302 $dxchan->send_route($origin, $generate, @_);
2307 sub broadcast_route_pc9x
2311 my $generate = shift;
2313 my @dxchan = DXChannel::get_all_nodes();
2316 unless ($self->{isolate}) {
2317 foreach $dxchan (@dxchan) {
2318 next if $dxchan == $self;
2319 next if $dxchan == $main::me;
2320 next unless $dxchan->isa('DXProt');
2321 next unless $self->{do_pc92};
2323 $dxchan->send_route($origin, $generate, @_);
2331 return unless $self->user->wantpc16;
2334 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2340 return unless $self->user->wantpc16;
2343 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2351 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2359 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2367 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2375 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2383 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2391 broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
2399 broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
2407 broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
2414 my ($filter, $hops) = (1, 1);
2416 if ($self->{inroutefilter}) {
2417 ($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);
2418 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2426 my $t = shift || $eph_restime;
2430 $s =~ s/\^H\d\d?\^?\~?$//;
2431 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2432 $eph{$s} = $main::systime + $t;
2433 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2441 while (($key, $val) = each %eph) {
2442 if ($key =~ m{$regex}) {
2452 while (($key, $val) = each %eph) {
2453 if ($main::systime >= $val) {
2464 while (($key, $val) = each %eph) {
2465 push @out, $key, $val;
2472 goto &DXCommandmode::run_cmd;
2476 # import any msgs in the chat directory
2477 # the messages are sent to the chat group which forms the
2478 # the first part of the name (eg: solar.1243.txt would be
2479 # sent to chat group SOLAR)
2481 # Each message found is sent: one non-blank line to one chat
2482 # message. So 4 lines = 4 chat messages.
2484 # The special name LOCAL is for local users ANN
2485 # The special name ALL is for ANN/FULL
2486 # The special name SYSOP is for ANN/SYSOP
2490 # are there any to do in this directory?
2491 return unless -d $chatimportfn;
2492 unless (opendir(DIR, $chatimportfn)) {
2493 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2494 Log('msg', "can\'t open $chatimportfn $!");
2498 my @names = readdir(DIR);
2501 foreach $name (@names) {
2502 next if $name =~ /^\./;
2503 my $splitit = $name =~ /^split/;
2504 my $fn = "$chatimportfn/$name";
2506 unless (open(MSG, $fn)) {
2507 dbg("can\'t open import file $fn $!") if isdbg('msg');
2508 Log('msg', "can\'t open import file $fn $!");
2512 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2516 my @cat = split /\./, $name;
2517 my $target = uc $cat[0];
2519 foreach my $text (@msg) {
2520 next unless $text && $text !~ /^\s*#/;
2521 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2522 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2523 if ($target ne 'LOCAL') {
2524 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2526 Log('ann', 'LOCAL', $main::mycall, $text);
2527 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2530 my $msgid = nextchatmsgid();
2531 $text = "#$msgid $text";
2532 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');