3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
42 use vars qw($VERSION $BRANCH);
43 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
44 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
45 $main::build += $VERSION;
46 $main::branch += $BRANCH;
48 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
49 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
50 $pingint $obscount %pc19list $chatdupeage $chatimportfn
51 $investigation_int $pc19_version $myprot_version
52 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
53 $allowzero $decode_dk0wcy $send_opernam @checklist
56 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
57 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
59 $last_hour = time; # last time I did an hourly periodic update
60 %pings = (); # outstanding ping requests outbound
61 %rcmds = (); # outstanding rcmd requests outbound
62 %nodehops = (); # node specific hop control
63 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
65 $censorpc = 1; # Do a BadWords::check on text fields and reject things
66 # loads of 'bad things'
67 $baddx = new DXHash "baddx";
68 $badspotter = new DXHash "badspotter";
69 $badnode = new DXHash "badnode";
70 $last10 = $last_pc50 = time;
74 $eph_info_restime = 60*60;
75 $eph_pc34_restime = 30;
78 $chatdupeage = 20 * 60 * 60;
79 $chatimportfn = "$main::root/chat_import";
80 $investigation_int = 12*60*60; # time between checks to see if we can see this node
81 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
82 $handle_xml = 0; # handle XML sentences
86 [ qw(i c c m bp bc c) ], # pc10
87 [ qw(i f bm d t m c c h) ], # pc11
88 [ qw(i c bm m bm bm p h) ], # pc12
92 undef , # pc16 has to be validated manually
93 [ qw(i c c h) ], # pc17
95 undef , # pc19 has to be validated manually
96 undef , # pc20 no validation
97 [ qw(i c m h) ], # pc21
98 undef , # pc22 no validation
99 [ qw(i d n n n n m c c h) ], # pc23
100 [ qw(i c p h) ], # pc24
101 [ qw(i c c n n) ], # pc25
102 [ qw(i f m d t m c c bc) ], # pc26
103 [ qw(i d n n n n m c c bc) ], # pc27
104 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
105 [ qw(i c c n m) ], # pc29
106 [ qw(i c c n) ], # pc30
107 [ qw(i c c n) ], # pc31
108 [ qw(i c c n) ], # pc32
109 [ qw(i c c n) ], # pc33
110 [ qw(i c c m) ], # pc34
111 [ qw(i c c m) ], # pc35
112 [ qw(i c c m) ], # pc36
113 [ qw(i c c n m) ], # pc37
114 undef, # pc38 not interested
115 [ qw(i c m) ], # pc39
116 [ qw(i c c m p n) ], # pc40
117 [ qw(i c n m h) ], # pc41
118 [ qw(i c c n) ], # pc42
119 undef, # pc43 don't handle it
120 [ qw(i c c n m m c) ], # pc44
121 [ qw(i c c n m) ], # pc45
122 [ qw(i c c n) ], # pc46
125 [ qw(i c m h) ], # pc49
126 [ qw(i c n h) ], # pc50
127 [ qw(i c c n) ], # pc51
149 [ qw(i d n n n n n n m m m c c h) ], # pc73
160 [ qw(i c c c m) ], # pc84
161 [ qw(i c c c m) ], # pc85
166 [ qw(i c n) ], # pc90
169 # use the entry in the check list to check the field list presented
170 # return OK if line NOT in check list (for now)
175 return 0 if $n < 0 || $n > @checklist;
176 my $ref = $checklist[$n];
177 return 0 unless ref $ref;
180 for ($i = 1; $i < @$ref; $i++) {
181 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
182 return 0 unless $act;
183 next if $blank && $_[$i] =~ /^[ \*]$/;
185 return $i unless is_callsign($_[$i]);
186 } elsif ($act eq 'i') {
188 } elsif ($act eq 'm') {
189 return $i unless is_pctext($_[$i]);
190 } elsif ($act eq 'p') {
191 return $i unless is_pcflag($_[$i]);
192 } elsif ($act eq 'f') {
193 return $i unless is_freq($_[$i]);
194 } elsif ($act eq 'n') {
195 return $i unless $_[$i] =~ /^[\d ]+$/;
196 } elsif ($act eq 'h') {
197 return $i unless $_[$i] =~ /^H\d\d?$/;
198 } elsif ($act eq 'd') {
199 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
200 } elsif ($act eq 't') {
201 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
209 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
212 my $user = DXUser->get($main::mycall);
213 die "User $main::mycall not setup or disappeared RTFM" unless $user;
215 $myprot_version += $main::version*100;
216 $main::me = DXProt->new($main::mycall, 0, $user);
217 $main::me->{here} = 1;
218 $main::me->{state} = "indifferent";
219 $main::me->{sort} = 'S'; # S for spider
220 $main::me->{priv} = 9;
221 $main::me->{metric} = 0;
222 $main::me->{pingave} = 0;
223 $main::me->{registered} = 1;
224 $main::me->{version} = $main::version;
225 $main::me->{build} = $main::build;
229 # obtain a new connection this is derived from dxchannel
234 my $self = DXChannel::alloc(@_);
236 # add this node to the table, the values get filled in later
239 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
244 # this is how a pc connection starts (for an incoming connection)
245 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
246 # all the crap that comes between).
249 my ($self, $line, $sort) = @_;
250 my $call = $self->{call};
251 my $user = $self->{user};
254 my $host = $self->{conn}->{peerhost};
255 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
258 Log('DXProt', "$call connected from $host");
260 # remember type of connection
261 $self->{consort} = $line;
262 $self->{outbound} = $sort eq 'O';
263 my $priv = $user->priv;
264 $priv = $user->priv(1) unless $priv;
265 $self->{priv} = $priv; # other clusters can always be 'normal' users
266 $self->{lang} = $user->lang || 'en';
267 $self->{isolate} = $user->{isolate};
268 $self->{consort} = $line; # save the connection type
272 # sort out registration
273 $self->{registered} = 1;
275 # get the output filters
276 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
277 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
278 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
279 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
280 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
283 # get the INPUT filters (these only pertain to Clusters)
284 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
285 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
286 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
287 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
288 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
290 # set unbuffered and no echo
291 $self->send_now('B',"0");
292 $self->send_now('E',"0");
293 $self->conn->echo(0) if $self->conn->can('echo');
295 # ping neighbour node stuff
296 my $ping = $user->pingint;
297 $ping = $pingint unless defined $ping;
298 $self->{pingint} = $ping;
299 $self->{nopings} = $user->nopings || $obscount;
300 $self->{pingtime} = [ ];
301 $self->{pingave} = 999;
302 $self->{metric} ||= 100;
303 $self->{lastping} = $main::systime;
305 # send initialisation string
306 unless ($self->{outbound}) {
310 $self->state('init');
311 $self->{pc50_t} = $main::systime;
313 # send info to all logged in thingies
314 $self->tell_login('loginn');
316 # run a script send the output to the debug file
317 my $script = new Script(lc $call) || new Script('node_default');
318 $script->run($self) if $script;
322 # send outgoing 'challenge'
332 # This is the normal pcxx despatcher
336 my ($self, $line) = @_;
338 my @field = split /\^/, $line;
339 return unless @field;
341 pop @field if $field[-1] eq '~';
343 # print join(',', @field), "\n";
346 # process PC frames, this will fail unless the frame starts PCnn
347 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
348 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
349 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
353 # check for and dump bad protocol messages
354 my $n = check($pcno, @field);
356 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
360 my $origin = $self->{call};
362 my $sub = "handle_$pcno";
364 if ($self->can($sub)) {
365 $self->$sub($pcno, $line, $origin, @field);
367 $self->handle_default($pcno, $line, $origin, @field);
371 # incoming talk commands
380 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
382 # will we allow it at all?
385 if (@bad = BadWords::check($_[3])) {
386 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
391 # is it for me or one of mine?
392 my ($from, $to, $via, $call, $dxchan);
401 # if this is a 'nodx' node then ignore it
402 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
403 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
407 # if this is a 'bad spotter' user then ignore it
409 $nossid =~ s/-\d+$//;
410 if ($badspotter->in($nossid)) {
411 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
415 # if we are converting announces to talk is it a dup?
417 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
418 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
423 # remember a route to this node and also the node on which this user is
424 RouteDB::update($_[6], $self->{call});
425 # RouteDB::update($to, $_[6]);
427 # it is here and logged on
428 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
429 $dxchan = DXChannel::get($to) unless $dxchan;
430 if ($dxchan && $dxchan->is_user) {
432 $dxchan->talk($from, $to, $via, $_[3]);
436 # is it elsewhere, visible on the cluster via the to address?
437 # note: this discards the via unless the to address is on
440 if ($ref = Route::get($to)) {
441 $vref = Route::Node::get($via) if $via;
442 $vref = undef unless $vref && grep $to eq $_, $vref->users;
443 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
447 # can we see an interface to send it down?
449 # not visible here, send a message of condolence
451 $ref = Route::get($from);
452 $vref = $ref = Route::Node::get($_[6]) unless $ref;
454 $dxchan = $ref->dxchan;
455 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
467 # route 'foreign' pc26s
469 if ($_[7] ne $main::mycall) {
470 $self->route($_[7], $line);
476 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
478 # if this is a 'nodx' node then ignore it
479 if ($badnode->in($_[7])) {
480 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
484 # if this is a 'bad spotter' user then ignore it
486 $nossid =~ s/-\d+$//;
487 if ($badspotter->in($nossid)) {
488 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
492 # convert the date to a unix date
493 my $d = cltounix($_[3], $_[4]);
494 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
495 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
496 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
501 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
502 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
507 $_[5] =~ s/^\s+//; # take any leading blanks off
508 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
509 if ($_[2] =~ /BUST\w*$/) {
510 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
515 if (@bad = BadWords::check($_[5])) {
516 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
522 # RouteDB::update($_[7], $self->{call});
523 # RouteDB::update($_[6], $_[7]);
525 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
526 # global spot filtering on INPUT
527 if ($self->{inspotsfilter}) {
528 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
530 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
535 # this goes after the input filtering, but before the add
536 # so that if it is input filtered, it isn't added to the dup
537 # list. This allows it to come in from a "legitimate" source
538 if (Spot::dup(@spot[0..4,5])) {
539 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
547 # @spot at this point contains:-
548 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
549 # then spotted itu, spotted cq, spotters itu, spotters cq
550 # you should be able to route on any of these
553 # fix up qra locators of known users
554 my $user = DXUser->get_current($spot[4]);
556 my $qra = $user->qra;
557 unless ($qra && is_qra($qra)) {
558 my $lat = $user->lat;
559 my $long = $user->long;
560 if (defined $lat && defined $long) {
561 $user->qra(DXBearing::lltoqra($lat, $long));
566 # send a remote command to a distant cluster if it is visible and there is no
567 # qra locator and we havn't done it for a month.
569 unless ($user->qra) {
571 my $to = $user->homenode;
572 my $last = $user->lastoper || 0;
573 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
574 my $cmd = "forward/opernam $spot[4]";
575 # send the rcmd but we aren't interested in the replies...
576 my $dxchan = $node->dxchan;
577 if ($dxchan && $dxchan->is_clx) {
578 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
580 route(undef, $to, pc34($main::mycall, $to, $cmd));
584 $node = Route::Node::get($to);
586 $dxchan = $node->dxchan;
587 if ($dxchan && $dxchan->is_clx) {
588 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
590 route(undef, $to, pc34($main::mycall, $to, $cmd));
594 $user->lastoper($main::systime);
603 $r = Local::spot($self, @spot);
605 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
608 # DON'T be silly and send on PC26s!
609 return if $pcno == 26;
611 # send out the filtered spots
612 send_dx_spot($self, $line, @spot) if @spot;
623 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
625 # announce duplicate checking
626 $_[3] =~ s/^\s+//; # remove leading blanks
630 if (@bad = BadWords::check($_[3])) {
631 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
636 # if this is a 'nodx' node then ignore it
637 if ($badnode->in($_[5])) {
638 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
642 # if this is a 'bad spotter' user then ignore it
644 $nossid =~ s/-\d+$//;
645 if ($badspotter->in($nossid)) {
646 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
653 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
654 $self->send_chat($line, @_[1..6]);
655 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
658 # RouteDB::update($_[5], $self->{call});
659 # RouteDB::update($_[1], $_[5]);
661 # ignore something that looks like a chat line coming in with sysop
662 # flag - this is a kludge...
663 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
664 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
668 # here's a bit of fun, convert incoming ann with a callsign in the first word
669 # or one saying 'to <call>' to a talk if we can route to the recipient
671 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
673 my $ref = Route::get($call);
675 $dxchan = $ref->dxchan;
676 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
683 $self->send_announce($line, @_[1..6]);
685 $self->route($_[2], $line);
700 my $newline = "PC16^";
702 # dos I want users from this channel?
703 unless ($self->user->wantpc16) {
704 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
708 if ($ncall eq $main::mycall) {
709 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
713 RouteDB::update($ncall, $self->{call});
715 # do we believe this call?
716 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
717 if (my $ivp = Investigate::get($ncall, $self->{call})) {
718 $ivp->store_pcxx($pcno,$line,$origin,@_);
720 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
725 if (eph_dup($line)) {
726 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
730 my $parent = Route::Node::get($ncall);
732 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
733 # fix it up in the routing tables and issue it forth before the PC16
735 my $nl = $pc19list{$ncall};
737 if ($nl && @_ > 3) { # 3 because of the hop count!
739 # this is a new (remembered) node, now attach it to me if it isn't in filtered
740 # and we haven't disallowed it
741 my $user = DXUser->get_current($ncall);
743 $user = DXUser->new($ncall);
745 $user->priv(1); # I have relented and defaulted nodes
747 $user->homenode($ncall);
751 my $wantpc19 = $user->wantroutepc19;
752 if ($wantpc19 || !defined $wantpc19) {
753 my $new = Route->new($ncall); # throw away
754 if ($self->in_filter_route($new)) {
757 $parent = Route::Node::get($_->[0]);
758 $dxchan = $parent->dxchan if $parent;
759 if ($dxchan && $dxchan ne $self) {
760 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
764 my $r = $parent->add($ncall, $_->[1], $_->[2]);
765 push @nrout, $r unless @nrout;
768 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
769 $user->lastin($main::systime) unless DXChannel::get($ncall);
772 # route the pc19 - this will cause 'stuttering PC19s' for a while
773 $self->route_pc19($origin, $line, @nrout) if @nrout ;
774 $parent = Route::Node::get($ncall);
776 dbg("PCPROT: lost $ncall after sending PC19 for it?");
782 delete $pc19list{$ncall};
785 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
790 $dxchan = $parent->dxchan;
791 if ($dxchan && $dxchan ne $self) {
792 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
796 # input filter if required
797 return unless $self->in_filter_route($parent);
802 for ($i = 2; $i < $#_; $i++) {
803 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
804 next unless $call && $conf && defined $here && is_callsign($call);
805 next if $call eq $main::mycall;
807 eph_del_regex("^PC17\\^$call\\^$ncall");
809 $conf = $conf eq '*';
811 # reject this if we think it is a node already
812 my $r = Route::Node::get($call);
813 my $u = DXUser->get_current($call) unless $r;
814 if ($r || ($u && $u->is_node)) {
815 dbg("PCPROT: $call is a node") if isdbg('chanerr');
819 $r = Route::User::get($call);
820 my $flags = Route::here($here)|Route::conf($conf);
823 my $au = $r->addparent($parent);
824 if ($r->flags != $flags) {
828 push @rout, $r if $au;
830 push @rout, $parent->add_user($call, $flags);
834 # add this station to the user database, if required
835 $call =~ s/-\d+$//o; # remove ssid for users
836 my $user = DXUser->get_current($call);
837 $user = DXUser->new($call) if !$user;
838 $user->homenode($parent->call) if !$user->homenode;
839 $user->node($parent->call);
840 $user->lastin($main::systime) unless DXChannel::get($call);
843 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
857 eph_del_regex("^PC16\\^$ncall.*$ucall");
859 # do I want users from this channel?
860 unless ($self->user->wantpc16) {
861 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
864 if ($ncall eq $main::mycall) {
865 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
869 RouteDB::delete($ncall, $self->{call});
871 # do we believe this call?
872 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
873 if (my $ivp = Investigate::get($ncall, $self->{call})) {
874 $ivp->store_pcxx($pcno,$line,$origin,@_);
876 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
881 my $uref = Route::User::get($ucall);
883 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
885 my $parent = Route::Node::get($ncall);
887 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
890 $dxchan = $parent->dxchan if $parent;
891 if ($dxchan && $dxchan ne $self) {
892 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
896 # input filter if required and then remove user if present
898 # return unless $self->in_filter_route($parent);
899 $parent->del_user($uref) if $uref;
901 $parent = Route->new($ncall); # throw away
904 if (eph_dup($line)) {
905 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
909 $uref = Route->new($ucall) unless $uref; # throw away
910 $self->route_pc17($origin, $line, $parent, $uref);
920 $self->state('init');
922 # record the type and version offered
923 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
924 $self->version(53 + $1);
925 $self->user->version(53 + $1);
926 $self->build(0 + $2);
927 $self->user->build(0 + $2);
928 unless ($self->is_spider) {
929 $self->user->sort('S');
933 $self->{handle_xml}++ if $_[1] =~ /\bxml\b/;
935 $self->version(50.0);
936 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
937 $self->user->version($self->version);
940 # first clear out any nodes on this dxchannel
941 my $parent = Route::Node::get($self->{call});
942 my @rout = $parent->del_nodes;
943 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
944 $self->send_local_config();
948 # incoming cluster list
957 my $newline = "PC19^";
962 # first get the INTERFACE node
963 my $parent = Route::Node::get($self->{call});
965 dbg("DXPROT: my parent $self->{call} has disappeared");
970 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
971 if ($origin ne $self->call) {
972 my $op = Route::Node::get($origin);
974 $op = $parent->add($origin, 5000, Route::here(1));
975 my $user = DXUser->get_current($origin);
977 $user = DXUser->new($origin);
978 $user->priv(1); # I have relented and defaulted nodes
980 $user->homenode($origin);
981 $user->node($origin);
982 $user->wantroutepc19(1);
984 $user->sort('A') unless $user->is_node;
991 for ($i = 1; $i < $#_-1; $i += 4) {
993 my $call = uc $_[$i+1];
996 next unless defined $here && defined $conf && is_callsign($call);
998 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
1000 # check for sane parameters
1001 # $ver = 5000 if $ver eq '0000';
1002 next if $ver < 5000; # only works with version 5 software
1003 next if length $call < 3; # min 3 letter callsigns
1004 next if $call eq $main::mycall;
1006 # check that this PC19 isn't trying to alter the wrong dxchan
1007 my $dxchan = DXChannel::get($call);
1008 if ($dxchan && $dxchan != $self) {
1009 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1013 # add this station to the user database, if required (don't remove SSID from nodes)
1014 my $user = DXUser->get_current($call);
1016 $user = DXUser->new($call);
1017 $user->priv(1); # I have relented and defaulted nodes
1019 $user->homenode($call);
1022 $user->sort('A') unless $user->is_node;
1024 RouteDB::update($call, $self->{call});
1026 # do we believe this call?
1027 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1028 unless ($call eq $self->{call} || $self->is_believed($call)) {
1029 my $pt = $user->lastping($self->{call}) || 0;
1030 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
1031 my $ivp = Investigate->new($call, $self->{call});
1032 $ivp->version($ver);
1034 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1036 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1042 if (eph_dup($genline)) {
1043 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1047 my $r = Route::Node::get($call);
1048 my $flags = Route::here($here)|Route::conf($conf);
1050 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1053 if ($call ne $parent->call) {
1054 if ($self->in_filter_route($r)) {
1055 $ar = $parent->add($call, $ver, $flags);
1056 push @rout, $ar if $ar;
1061 if ($r->version ne $ver || $r->flags != $flags) {
1064 push @rout, $r unless $ar;
1068 # if he is directly connected or allowed then add him, otherwise store him up for later
1069 if ($call eq $self->{call} || $user->wantroutepc19) {
1070 my $new = Route->new($call); # throw away
1071 if ($self->in_filter_route($new)) {
1072 my $ar = $parent->add($call, $ver, $flags);
1073 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1074 push @rout, $ar if $ar;
1079 $pc19list{$call} = [] unless exists $pc19list{$call};
1080 my $nl = $pc19list{$call};
1081 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1085 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1086 my $mref = DXMsg::get_busy($call);
1087 $mref->stop_msg($call) if $mref;
1089 $user->lastin($main::systime) unless DXChannel::get($call);
1094 $self->route_pc19($origin, $line, @rout) if @rout;
1097 # send local configuration
1104 $self->send_local_config();
1105 $self->send(pc22());
1106 $self->state('normal');
1107 $self->{lastping} = 0;
1110 # delete a cluster from the list
1117 my $call = uc $_[1];
1119 eph_del_regex("^PC1[679].*$call");
1121 # if I get a PC21 from the same callsign as self then treat it
1122 # as a PC39: I have gone away
1123 if ($call eq $self->call) {
1124 $self->disconnect(1);
1128 RouteDB::delete($call, $self->{call});
1130 # check if we believe this
1131 unless ($call eq $self->{call} || $self->is_believed($call)) {
1132 if (my $ivp = Investigate::get($call, $self->{call})) {
1133 $ivp->store_pcxx($pcno,$line,$origin,@_);
1135 dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
1140 # check to see if we are in the pc19list, if we are then don't bother with any of
1141 # this routing table manipulation, just remove it from the list and dump it
1143 if (my $nl = $pc19list{$call}) {
1144 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1145 delete $pc19list{$call} unless @{$pc19list{$call}};
1148 my $parent = Route::Node::get($self->{call});
1150 dbg("DXPROT: my parent $self->{call} has disappeared");
1154 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1155 my $node = Route::Node::get($call);
1158 my $dxchan = DXChannel::get($call);
1159 if ($dxchan && $dxchan != $self) {
1160 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1165 return unless $self->in_filter_route($node);
1168 push @rout, $node->del($parent);
1171 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1176 $self->route_pc21($origin, $line, @rout) if @rout;
1186 $self->state('normal');
1187 $self->{lastping} = 0;
1198 # route foreign' pc27s
1200 if ($_[8] ne $main::mycall) {
1201 $self->route($_[8], $line);
1206 # only do a rspf check on PC23 (not 27)
1208 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1212 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1213 my $sfi = unpad($_[3]);
1214 my $k = unpad($_[4]);
1215 my $i = unpad($_[5]);
1216 my ($r) = $_[6] =~ /R=(\d+)/;
1218 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1219 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1223 # global wwv filtering on INPUT
1224 my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
1225 if ($self->{inwwvfilter}) {
1226 my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
1228 dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
1232 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1233 if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
1234 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1238 # note this only takes the first one it gets
1239 Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1243 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1245 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1248 # DON'T be silly and send on PC27s!
1249 return if $pcno == 27;
1251 # broadcast to the eager world
1252 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1262 my $call = uc $_[1];
1264 $nref = Route::Node::get($call);
1265 $uref = Route::User::get($call);
1266 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1268 if (eph_dup($line)) {
1269 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1273 $nref->here($_[2]) if $nref;
1274 $uref->here($_[2]) if $uref;
1275 my $ref = $nref || $uref;
1276 return unless $self->in_filter_route($ref);
1278 $self->route_pc24($origin, $line, $ref, $_[3]);
1288 if ($_[1] ne $main::mycall) {
1289 $self->route($_[1], $line);
1292 if ($_[2] eq $main::mycall) {
1293 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1297 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1301 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1304 $self->send(pc26(@{$in}[0..4], $_[2]));
1310 my @in = reverse Geomag::search(0, $_[4], time, 1);
1313 $self->send(pc27(@{$in}[0..5], $_[2]));
1318 sub handle_26 {goto &handle_11}
1319 sub handle_27 {goto &handle_23}
1321 # mail/file handling
1328 if ($_[1] eq $main::mycall) {
1330 my $sub = "DXMsg::handle_$pcno";
1333 $self->route($_[1], $line) unless $self->is_clx;
1337 sub handle_29 {goto &handle_28}
1338 sub handle_30 {goto &handle_28}
1339 sub handle_31 {goto &handle_28}
1340 sub handle_32 {goto &handle_28}
1341 sub handle_33 {goto &handle_28}
1349 if (eph_dup($line, $eph_pc34_restime)) {
1350 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1352 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1356 # remote command replies
1363 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1364 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1367 sub handle_36 {goto &handle_34}
1376 if ($_[1] eq $main::mycall) {
1378 my $sub = "DXDb::handle_$pcno";
1381 $self->route($_[1], $line) unless $self->is_clx;
1385 # node connected list from neighbour
1394 # incoming disconnect
1401 if ($_[1] eq $self->{call}) {
1402 $self->disconnect(1);
1404 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1408 sub handle_40 {goto &handle_28}
1420 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1421 if (eph_dup($l, $eph_info_restime)) {
1422 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1426 # input filter if required
1427 # my $ref = Route::get($call) || Route->new($call);
1428 # return unless $self->in_filter_route($ref);
1430 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1431 dbg('PCPROT: invalid value') if isdbg('chanerr');
1435 # add this station to the user database, if required
1436 my $user = DXUser->get_current($call);
1437 $user = DXUser->new($call) unless $user;
1441 } elsif ($_[2] == 2) {
1443 } elsif ($_[2] == 3) {
1444 if (is_latlong($_[3])) {
1445 my ($lat, $long) = DXBearing::stoll($_[3]);
1448 $user->qra(DXBearing::lltoqra($lat, $long));
1450 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1453 } elsif ($_[2] == 4) {
1454 $user->homenode($_[3]);
1455 } elsif ($_[2] == 5) {
1456 if (is_qra(uc $_[3])) {
1457 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1460 $user->qra(uc $_[3]);
1462 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1466 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1469 unless ($self->{isolate}) {
1470 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1473 # perhaps this IS what we want after all
1474 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1477 sub handle_42 {goto &handle_28}
1481 sub handle_44 {goto &handle_37}
1482 sub handle_45 {goto &handle_37}
1483 sub handle_46 {goto &handle_37}
1484 sub handle_47 {goto &handle_37}
1485 sub handle_48 {goto &handle_37}
1487 # message and database
1495 if (eph_dup($line)) {
1496 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1500 if ($_[1] eq $main::mycall) {
1501 DXMsg::handle_49($self, @_);
1503 $self->route($_[1], $line) unless $self->is_clx;
1507 # keep alive/user list
1517 RouteDB::update($call, $self->{call});
1519 my $node = Route::Node::get($call);
1521 return unless $node->call eq $self->{call};
1522 $node->usercount($_[2]);
1524 # input filter if required
1525 return unless $self->in_filter_route($node);
1527 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1531 # incoming ping requests/answers
1544 if ($to eq $main::mycall) {
1546 $self->send(pc51($from, $to, '0'));
1548 # it's a reply, look in the ping list for this one
1549 my $ref = $pings{$from};
1551 my $tochan = DXChannel::get($from);
1553 my $r = shift @$ref;
1554 my $dxchan = DXChannel::get($r->{call});
1555 next unless $dxchan;
1556 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1557 if ($dxchan->is_user) {
1558 my $s = sprintf "%.2f", $t;
1559 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1560 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1561 } elsif ($dxchan->is_node) {
1563 my $nopings = $tochan->user->nopings || $obscount;
1564 push @{$tochan->{pingtime}}, $t;
1565 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1567 # cope with a missed ping, this means you must set the pingint large enough
1568 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1569 $t -= $tochan->{pingint};
1572 # calc smoothed RTT a la TCP
1573 if (@{$tochan->{pingtime}} == 1) {
1574 $tochan->{pingave} = $t;
1576 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1578 $tochan->{nopings} = $nopings; # pump up the timer
1579 if (my $ivp = Investigate::get($from, $self->{call})) {
1582 } elsif (my $rref = Route::Node::get($r->{call})) {
1583 if (my $ivp = Investigate::get($from, $self->{call})) {
1593 RouteDB::update($from, $self->{call});
1595 if (eph_dup($line)) {
1596 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1599 # route down an appropriate thingy
1600 $self->route($to, $line);
1604 # dunno but route it
1612 if ($call ne $main::mycall) {
1613 $self->route($call, $line);
1627 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1628 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1629 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1632 @_ = map { unpad($_) } @_;
1634 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1638 my $wcy = WCY::update($d, @_[2..12]);
1642 $rep = Local::wcy($self, @_[1..12]);
1644 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1647 # broadcast to the eager world
1648 send_wcy_spot($self, $line, $d, @_[2..12]);
1651 # remote commands (incoming)
1658 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1661 # remote command replies
1668 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1671 # if get here then rebroadcast the thing with its Hop count decremented (if
1672 # there is one). If it has a hop count and it decrements to zero then don't
1675 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1686 if (eph_dup($line)) {
1687 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1689 unless ($self->{isolate}) {
1690 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1696 # This is called from inside the main cluster processing loop and is used
1697 # for despatching commands that are doing some long processing job
1702 my @dxchan = DXChannel::get_all();
1706 # send out a pc50 on EVERY channel all at once
1707 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1708 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1713 foreach $dxchan (@dxchan) {
1714 next unless $dxchan->is_node();
1715 next if $dxchan == $main::me;
1718 $dxchan->send($pc50s) if $pc50s;
1720 # send a ping out on this channel
1721 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1722 if ($dxchan->{nopings} <= 0) {
1723 $dxchan->disconnect;
1725 addping($main::mycall, $dxchan->call);
1726 $dxchan->{nopings} -= 1;
1727 $dxchan->{lastping} = $t;
1732 Investigate::process();
1735 if ($t - $last10 >= 10) {
1736 # clean out ephemera
1745 if ($main::systime - 3600 > $last_hour) {
1746 $last_hour = $main::systime;
1751 # finish up a pc context
1755 # some active measures
1763 my @dxchan = DXChannel::get_all();
1766 # send it if it isn't the except list and isn't isolated and still has a hop count
1767 # taking into account filtering and so on
1768 foreach $dxchan (@dxchan) {
1769 next if $dxchan == $main::me;
1770 next if $dxchan == $self && $self->is_node;
1771 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1779 my $isolate = shift;
1780 my ($filter, $hops);
1782 if ($self->{spotsfilter}) {
1783 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1784 return unless $filter;
1786 send_prot_line($self, $filter, $hops, $isolate, $line);
1791 my ($self, $filter, $hops, $isolate, $line) = @_;
1797 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1799 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1800 return unless $routeit;
1803 $self->send($routeit);
1805 $self->send($routeit) unless $self->{isolate} || $isolate;
1814 my @dxchan = DXChannel::get_all();
1816 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1818 # send it if it isn't the except list and isn't isolated and still has a hop count
1819 # taking into account filtering and so on
1820 foreach $dxchan (@dxchan) {
1821 next if $dxchan == $main::me;
1822 next if $dxchan == $self && $self->is_node;
1824 my ($filter, $hops);
1826 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1834 my $isolate = shift;
1835 my ($filter, $hops);
1837 if ($self->{wwvfilter}) {
1838 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
1839 return unless $filter;
1841 send_prot_line($self, $filter, $hops, $isolate, $line)
1848 my @dxchan = DXChannel::get_all();
1850 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1852 # send it if it isn't the except list and isn't isolated and still has a hop count
1853 # taking into account filtering and so on
1854 foreach $dxchan (@dxchan) {
1855 next if $dxchan == $main::me;
1856 next if $dxchan == $self;
1858 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1866 my $isolate = shift;
1867 my ($filter, $hops);
1869 if ($self->{wcyfilter}) {
1870 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1871 return unless $filter;
1873 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1881 my @dxchan = DXChannel::get_all();
1885 my $text = unpad($_[2]);
1887 if ($_[3] eq '*') { # sysops
1889 } elsif ($_[3] gt ' ') { # speciality list handling
1890 my ($name) = split /\./, $_[3];
1891 $target = "$name"; # put the rest in later (if bothered)
1898 $target = "ALL" if !$target;
1901 # obtain country codes etc
1902 my @a = Prefix::cty_data($_[0]);
1903 my @b = Prefix::cty_data($_[4]);
1904 if ($self->{inannfilter}) {
1905 my ($filter, $hops) =
1906 $self->{inannfilter}->it(@_, $self->{call},
1908 @b[0..2], $a[3], $b[3]);
1910 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1915 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1916 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1920 Log('ann', $target, $_[0], $text);
1922 # send it if it isn't the except list and isn't isolated and still has a hop count
1923 # taking into account filtering and so on
1924 foreach $dxchan (@dxchan) {
1925 next if $dxchan == $main::me;
1926 next if $dxchan == $self && $self->is_node;
1927 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1928 @a[0..2], @b[0..2]);
1937 $msgid = 1 if $msgid > 999;
1946 my @dxchan = DXChannel::get_all();
1949 my $text = unpad($_[2]);
1952 # munge the group and recast the line if required
1953 if ($target =~ s/\.LST$//) {
1957 # obtain country codes etc
1958 my @a = Prefix::cty_data($_[0]);
1959 my @b = Prefix::cty_data($_[4]);
1960 if ($self->{inannfilter}) {
1961 my ($filter, $hops) =
1962 $self->{inannfilter}->it(@_, $self->{call},
1964 @b[0..2], $a[3], $b[3]);
1966 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1971 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1972 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1977 Log('chat', $target, $_[0], $text);
1979 # send it if it isn't the except list and isn't isolated and still has a hop count
1980 # taking into account filtering and so on
1981 foreach $dxchan (@dxchan) {
1982 my $is_ak1a = $dxchan->is_ak1a;
1984 if ($dxchan->is_node) {
1985 next if $dxchan == $main::me;
1986 next if $dxchan == $self;
1987 next unless $dxchan->is_spider || $is_ak1a;
1988 next if $target eq 'LOCAL';
1989 if (!$ak1a_line && $is_ak1a) {
1990 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1994 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1995 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
2003 my $isolate = shift;
2007 my ($filter, $hops);
2009 if ($self->{annfilter}) {
2010 ($filter, $hops) = $self->{annfilter}->it(@_);
2011 return unless $filter;
2013 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2022 sub send_local_config
2030 dbg('DXProt::send_local_config') if isdbg('trace');
2033 if ($self->{isolate}) {
2034 @localnodes = ( $main::routeroot );
2035 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2037 # create a list of all the nodes that are not connected to this connection
2038 # and are not themselves isolated, this to make sure that isolated nodes
2039 # don't appear outside of this node
2041 # send locally connected nodes
2042 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2043 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2044 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2047 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2049 for $node (@rawintcalls) {
2050 push @intcalls, $node unless grep $node eq $_, @intcalls;
2052 my $ref = Route::Node::get($self->{call});
2053 my @rnodes = $ref->nodes;
2054 for $node (@intcalls) {
2055 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2057 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2060 # get all the users connected on the above nodes and send them out
2061 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2063 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2064 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2066 dbg("sent a null value") if isdbg('chanerr');
2072 # route a message down an appropriate interface for a callsign
2074 # is called route(to, pcline);
2079 my ($self, $call, $line) = @_;
2081 if (ref $self && $call eq $self->{call}) {
2082 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2086 # always send it down the local interface if available
2087 my $dxchan = DXChannel::get($call);
2089 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2091 my $cl = Route::get($call);
2092 $dxchan = $cl->dxchan if $cl;
2094 if (ref $self && $dxchan eq $self) {
2095 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2098 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2102 # try the backstop method
2104 my $rcall = RouteDB::get($call);
2106 if ($self && $rcall eq $self->{call}) {
2107 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2110 $dxchan = DXChannel::get($rcall);
2111 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2116 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2118 $dxchan->send($routeit) unless $dxchan == $main::me;
2121 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2126 # obtain the hops from the list for this callsign and pc no
2132 my $hops = $DXProt::hopcount{$pcno};
2133 $hops = $DXProt::def_hopcount if !$hops;
2138 # adjust the hop count on a per node basis using the user loadable
2139 # hop table if available or else decrement an existing one
2146 my $call = $self->{call};
2149 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2150 my ($pcno) = $s =~ /^PC(\d\d)/o;
2151 confess "$call called adjust_hops with '$s'" unless $pcno;
2152 my $ref = $nodehops{$call} if %nodehops;
2154 my $newhops = $ref->{$pcno};
2155 return "" if defined $newhops && $newhops == 0;
2156 $newhops = $ref->{default} unless $newhops;
2157 return "" if defined $newhops && $newhops == 0;
2158 $newhops = $hops if !$newhops;
2159 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2161 # simply decrement it
2163 return "" if !$hops;
2164 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2176 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2177 do "$main::data/hop_table.pl";
2183 # add a ping request to the ping queues
2186 my ($from, $to, $via) = @_;
2187 my $ref = $pings{$to} || [];
2190 $r->{t} = [ gettimeofday ];
2191 if ($via && (my $dxchan = DXChannel::get($via))) {
2192 $dxchan->send(pc51($to, $main::mycall, 1));
2194 route(undef, $to, pc51($to, $main::mycall, 1));
2198 my $u = DXUser->get_current($to);
2200 $u->lastping(($via || $from), $main::systime);
2207 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2208 if ($tonode eq $main::mycall) {
2209 my $ref = DXUser->get_current($fromnode);
2210 my $cref = Route::Node::get($fromnode);
2211 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2212 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2213 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2214 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2215 my $oldpriv = $self->{priv};
2216 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2217 my @in = (DXCommandmode::run_cmd($self, $cmd));
2218 $self->{priv} = $oldpriv;
2219 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2220 delete $self->{remotecmd};
2222 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2225 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2228 my $ref = DXUser->get_current($tonode);
2229 if ($ref && $ref->is_clx) {
2230 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2232 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2237 sub process_rcmd_reply
2239 my ($self, $tonode, $fromnode, $user, $line) = @_;
2240 if ($tonode eq $main::mycall) {
2241 my $s = $rcmds{$fromnode};
2243 my $dxchan = DXChannel::get($s->{call});
2244 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2245 $ref->send($line) if $ref;
2246 delete $rcmds{$fromnode} if !$dxchan;
2248 # send unsolicited ones to the sysop
2249 my $dxchan = DXChannel::get($main::myalias);
2250 $dxchan->send($line) if $dxchan;
2253 my $ref = DXUser->get_current($tonode);
2254 if ($ref && $ref->is_clx) {
2255 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2257 $self->route($tonode, pc35($fromnode, $tonode, $line));
2266 my $fromnode = shift;
2271 Log('rcmd', 'out', $fromnode, $line);
2272 if ($self->is_clx) {
2273 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2275 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2280 # add a rcmd request to the rcmd queues
2283 my ($self, $to, $cmd) = @_;
2286 $r->{call} = $self->{call};
2287 $r->{t} = $main::systime;
2291 my $ref = Route::Node::get($to);
2292 my $dxchan = $ref->dxchan;
2293 if ($dxchan && $dxchan->is_clx) {
2294 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2296 route(undef, $to, pc34($main::mycall, $to, $cmd));
2303 my $pc39flag = shift;
2304 my $call = $self->call;
2306 return if $self->{disconnecting}++;
2308 unless ($pc39flag && $pc39flag == 1) {
2309 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2312 # get rid of any PC16/17/19
2313 eph_del_regex("^PC1[679]*$call");
2315 # do routing stuff, remove me from routing table
2316 my $node = Route::Node::get($call);
2319 @rout = $node->del($main::routeroot);
2321 # and all my ephemera as well
2324 eph_del_regex("^PC1[679].*$c");
2328 RouteDB::delete_interface($call);
2330 # remove them from the pc19list as well
2331 while (my ($k,$v) = each %pc19list) {
2332 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2334 $pc19list{$k} = \@l;
2336 delete $pc19list{$k};
2340 eph_del_regex("^PC1[679].*$k");
2343 # unbusy and stop and outgoing mail
2344 my $mref = DXMsg::get_busy($call);
2345 $mref->stop_msg($call) if $mref;
2347 # broadcast to all other nodes that all the nodes connected to via me are gone
2348 unless ($pc39flag && $pc39flag == 2) {
2349 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2352 # remove outstanding pings
2353 delete $pings{$call};
2355 # I was the last node visited
2356 $self->user->node($main::mycall);
2358 # send info to all logged in thingies
2359 $self->tell_login('logoutn');
2361 Log('DXProt', $call . " Disconnected");
2363 $self->SUPER::disconnect;
2368 # send a talk message to this thingy
2372 my ($self, $from, $to, $via, $line, $origin) = @_;
2374 $line =~ s/\^/\\5E/g; # remove any ^ characters
2375 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2376 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2379 # send it if it isn't the except list and isn't isolated and still has a hop count
2380 # taking into account filtering and so on
2386 my $generate = shift;
2387 my $no = shift; # the no of things to filter on
2389 my ($filter, $hops);
2392 for (; @_ && $no; $no--) {
2395 if (!$self->{isolate} && $self->{routefilter}) {
2398 ($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});
2402 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2405 dbg("was sent a null value") if isdbg('chanerr');
2408 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2412 foreach my $line (&$generate(@rin, @_)) {
2415 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2417 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2418 next unless $routeit;
2421 $self->send($routeit);
2430 my $generate = shift;
2432 my @dxchan = DXChannel::get_all_nodes();
2435 unless ($self->{isolate}) {
2436 foreach $dxchan (@dxchan) {
2437 next if $dxchan == $self;
2438 next if $dxchan == $main::me;
2439 next unless $dxchan->isa('DXProt');
2440 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2442 $dxchan->send_route($origin, $generate, @_);
2450 return unless $self->user->wantpc16;
2453 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2459 return unless $self->user->wantpc16;
2462 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2470 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2478 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2486 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2494 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2502 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2509 my ($filter, $hops) = (1, 1);
2511 if ($self->{inroutefilter}) {
2512 ($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);
2513 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2521 my $t = shift || $eph_restime;
2525 $s =~ s/\^H\d\d?\^?\~?$//;
2526 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2527 $eph{$s} = $main::systime + $t;
2528 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2536 while (($key, $val) = each %eph) {
2537 if ($key =~ m{$regex}) {
2547 while (($key, $val) = each %eph) {
2548 if ($main::systime >= $val) {
2559 while (($key, $val) = each %eph) {
2560 push @out, $key, $val;
2567 goto &DXCommandmode::run_cmd;
2571 # import any msgs in the chat directory
2572 # the messages are sent to the chat group which forms the
2573 # the first part of the name (eg: solar.1243.txt would be
2574 # sent to chat group SOLAR)
2576 # Each message found is sent: one non-blank line to one chat
2577 # message. So 4 lines = 4 chat messages.
2579 # The special name LOCAL is for local users ANN
2580 # The special name ALL is for ANN/FULL
2581 # The special name SYSOP is for ANN/SYSOP
2585 # are there any to do in this directory?
2586 return unless -d $chatimportfn;
2587 unless (opendir(DIR, $chatimportfn)) {
2588 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2589 Log('msg', "can\'t open $chatimportfn $!");
2593 my @names = readdir(DIR);
2596 foreach $name (@names) {
2597 next if $name =~ /^\./;
2598 my $splitit = $name =~ /^split/;
2599 my $fn = "$chatimportfn/$name";
2601 unless (open(MSG, $fn)) {
2602 dbg("can\'t open import file $fn $!") if isdbg('msg');
2603 Log('msg', "can\'t open import file $fn $!");
2607 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2611 my @cat = split /\./, $name;
2612 my $target = uc $cat[0];
2614 foreach my $text (@msg) {
2615 next unless $text && $text !~ /^\s*#/;
2616 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2617 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2618 if ($target ne 'LOCAL') {
2619 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2621 Log('ann', 'LOCAL', $main::mycall, $text);
2622 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2625 my $msgid = nextchatmsgid();
2626 $text = "#$msgid $text";
2627 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');