3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
48 use vars qw($VERSION $BRANCH);
50 main::mkver($VERSION = q$Revision$);
52 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
53 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
54 $pingint $obscount %pc19list $chatdupeage $chatimportfn
55 $investigation_int $pc19_version $myprot_version
56 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
57 $allowzero $decode_dk0wcy $send_opernam @checklist);
59 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
60 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
62 $last_hour = time; # last time I did an hourly periodic update
63 %pings = (); # outstanding ping requests outbound
64 %rcmds = (); # outstanding rcmd requests outbound
65 %nodehops = (); # node specific hop control
66 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
68 $censorpc = 1; # Do a BadWords::check on text fields and reject things
69 # loads of 'bad things'
70 $baddx = new DXHash "baddx";
71 $badspotter = new DXHash "badspotter";
72 $badnode = new DXHash "badnode";
73 $last10 = $last_pc50 = time;
77 $eph_info_restime = 60*60;
78 $eph_pc34_restime = 30;
81 $chatdupeage = 20 * 60 * 60;
82 $chatimportfn = "$main::root/chat_import";
83 $investigation_int = 12*60*60; # time between checks to see if we can see this node
84 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
88 [ qw(i c c m bp bc c) ], # pc10
89 [ qw(i f m d t m c c h) ], # pc11
90 [ qw(i c bm m bm bm p h) ], # pc12
94 undef , # pc16 has to be validated manually
95 [ qw(i c c h) ], # pc17
97 undef , # pc19 has to be validated manually
98 undef , # pc20 no validation
99 [ qw(i c m h) ], # pc21
100 undef , # pc22 no validation
101 [ qw(i d n n n n m c c h) ], # pc23
102 [ qw(i c p h) ], # pc24
103 [ qw(i c c n n) ], # pc25
104 [ qw(i f m d t m c c bc) ], # pc26
105 [ qw(i d n n n n m c c bc) ], # pc27
106 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
107 [ qw(i c c n m) ], # pc29
108 [ qw(i c c n) ], # pc30
109 [ qw(i c c n) ], # pc31
110 [ qw(i c c n) ], # pc32
111 [ qw(i c c n) ], # pc33
112 [ qw(i c c m) ], # pc34
113 [ qw(i c c m) ], # pc35
114 [ qw(i c c m) ], # pc36
115 [ qw(i c c n m) ], # pc37
116 undef, # pc38 not interested
117 [ qw(i c m) ], # pc39
118 [ qw(i c c m p n) ], # pc40
119 [ qw(i c n m h) ], # pc41
120 [ qw(i c c n) ], # pc42
121 undef, # pc43 don't handle it
122 [ qw(i c c n m m c) ], # pc44
123 [ qw(i c c n m) ], # pc45
124 [ qw(i c c n) ], # pc46
127 [ qw(i c m h) ], # pc49
128 [ qw(i c n h) ], # pc50
129 [ qw(i c c n) ], # pc51
151 [ qw(i d n n n n n n m m m c c h) ], # pc73
162 [ qw(i c c c m) ], # pc84
163 [ qw(i c c c m) ], # pc85
168 [ qw(i c n) ], # pc90
171 # use the entry in the check list to check the field list presented
172 # return OK if line NOT in check list (for now)
177 return 0 if $n < 0 || $n > @checklist;
178 my $ref = $checklist[$n];
179 return 0 unless ref $ref;
182 for ($i = 1; $i < @$ref; $i++) {
183 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
184 return 0 unless $act;
185 next if $blank && $_[$i] =~ /^[ \*]$/;
187 return $i unless is_callsign($_[$i]);
188 } elsif ($act eq 'i') {
190 } elsif ($act eq 'm') {
191 return $i unless is_pctext($_[$i]);
192 } elsif ($act eq 'p') {
193 return $i unless is_pcflag($_[$i]);
194 } elsif ($act eq 'f') {
195 return $i unless is_freq($_[$i]);
196 } elsif ($act eq 'n') {
197 return $i unless $_[$i] =~ /^[\d ]+$/;
198 } elsif ($act eq 'h') {
199 return $i unless $_[$i] =~ /^H\d\d?$/;
200 } elsif ($act eq 'd') {
201 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
202 } elsif ($act eq 't') {
203 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
211 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
214 my $user = DXUser->get($main::mycall);
215 die "User $main::mycall not setup or disappeared RTFM" unless $user;
217 $myprot_version += $main::version*100;
218 $main::me = DXProt->new($main::mycall, 0, $user);
219 $main::me->{here} = 1;
220 $main::me->{state} = "indifferent";
221 $main::me->{sort} = 'S'; # S for spider
222 $main::me->{priv} = 9;
223 $main::me->{metric} = 0;
224 $main::me->{pingave} = 0;
225 $main::me->{registered} = 1;
226 $main::me->{version} = 5252 + $main::version;
227 $main::me->{build} = $main::build;
228 $main::me->{lastcf} = $main::me->{lasthello} = time;
232 # obtain a new connection this is derived from dxchannel
237 my $self = DXChannel::alloc(@_);
239 # add this node to the table, the values get filled in later
242 $main::routeroot->add($call, '5000', 1) if $call ne $main::mycall;
246 # this is how a pc connection starts (for an incoming connection)
247 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
248 # all the crap that comes between).
251 my ($self, $line, $sort) = @_;
252 my $call = $self->{call};
253 my $user = $self->{user};
256 my $host = $self->{conn}->{peerhost} || "unknown";
257 Log('DXProt', "$call connected from $host");
259 # remember type of connection
260 $self->{consort} = $line;
261 $self->{outbound} = $sort eq 'O';
262 my $priv = $user->priv;
263 $priv = $user->priv(1) unless $priv;
264 $self->{priv} = $priv; # other clusters can always be 'normal' users
265 $self->{lang} = $user->lang || 'en';
266 $self->{isolate} = $user->{isolate};
267 $self->{consort} = $line; # save the connection type
271 # sort out registration
272 $self->{registered} = 1;
274 # get the output filters
275 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
276 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
277 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
278 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
279 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
282 # get the INPUT filters (these only pertain to Clusters)
283 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
284 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
285 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
286 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
287 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
289 # set unbuffered and no echo
290 $self->send_now('B',"0");
291 $self->send_now('E',"0");
292 $self->conn->echo(0) if $self->conn->can('echo');
294 # ping neighbour node stuff
295 my $ping = $user->pingint;
296 $ping = $pingint unless defined $ping;
297 $self->{pingint} = $ping;
298 $self->{nopings} = $user->nopings || $obscount;
299 $self->{pingtime} = [ ];
300 $self->{pingave} = 999;
301 $self->{metric} ||= 100;
302 $self->{lastping} = $main::systime;
304 # send initialisation string
305 unless ($self->{outbound}) {
309 $self->state('init');
310 $self->{pc50_t} = $main::systime;
312 # ALWAYS output the hello
313 my $thing = Thingy::Hello->new(user => $call, h => $self->{here});
314 $thing->broadcast($self);
315 $self->lasthello($main::systime);
317 # send info to all logged in thingies
318 $self->tell_login('loginn');
320 # run a script send the output to the debug file
321 my $script = new Script(lc $call) || new Script('node_default');
322 $script->run($self) if $script;
326 # send outgoing 'challenge'
337 # This is the normal pcxx despatcher
341 my ($self, $line) = @_;
343 my @field = split /\^/, $line;
344 return unless @field;
346 pop @field if $field[-1] eq '~';
348 # print join(',', @field), "\n";
350 # process PC frames, this will fail unless the frame starts PCnn
351 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
352 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
353 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
357 # check for and dump bad protocol messages
358 my $n = check($pcno, @field);
360 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
364 # decrement any hop fields at this point
365 if ($line =~ /\^H(\d\d?)\^?~?$/) {
368 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
371 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
374 my $origin = $self->{call};
376 my $sub = "handle_$pcno";
378 if ($self->can($sub)) {
379 $self->$sub($pcno, $line, $origin, @field);
381 $self->handle_default($pcno, $line, $origin, @field);
385 # incoming talk commands
394 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
396 # will we allow it at all?
399 if (@bad = BadWords::check($_[3])) {
400 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
405 # is it for me or one of mine?
406 my ($from, $to, $via, $call, $dxchan);
415 # if this is a 'nodx' node then ignore it
416 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
417 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
421 # if this is a 'bad spotter' user then ignore it
423 $nossid =~ s/-\d+$//;
424 if ($badspotter->in($nossid)) {
425 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
429 # if we are converting announces to talk is it a dup?
431 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
432 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
437 # remember a route to this node and also the node on which this user is
438 RouteDB::update($_[6], $origin);
439 # RouteDB::update($to, $_[6]);
441 # it is here and logged on
442 $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
443 $dxchan = DXChannel::get($to) unless $dxchan;
444 if ($dxchan && $dxchan->is_user) {
446 $dxchan->talk($from, $to, $via, $_[3]);
450 # is it elsewhere, visible on the cluster via the to address?
451 # note: this discards the via unless the to address is on
454 if ($ref = Route::get($to)) {
455 $vref = Route::Node::get($via) if $via;
456 $vref = undef unless $vref && grep $to eq $_, $vref->users;
457 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
461 # can we see an interface to send it down?
463 # not visible here, send a message of condolence
465 $ref = Route::get($from);
466 $vref = $ref = Route::Node::get($_[6]) unless $ref;
468 $dxchan = $ref->dxchan;
469 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
481 # route 'foreign' pc26s
483 if ($_[7] ne $main::mycall) {
484 $self->route($_[7], $line);
490 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
492 # if this is a 'nodx' node then ignore it
493 if ($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])) {
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], $_[6], $_[7]);
541 my $thing = Thingy::Dx->new(origin=>$main::mycall);
542 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
543 $thing->process($self);
545 # this goes after the input filtering, but before the add
546 # so that if it is input filtered, it isn't added to the dup
547 # list. This allows it to come in from a "legitimate" source
549 # @spot at this point contains:-
550 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
551 # then spotted itu, spotted cq, spotters itu, spotters cq
552 # you should be able to route on any of these
555 # fix up qra locators of known users
556 my $user = DXUser->get_current($spot[4]);
558 my $qra = $user->qra;
559 unless ($qra && is_qra($qra)) {
560 my $lat = $user->lat;
561 my $long = $user->long;
562 if (defined $lat && defined $long) {
563 $user->qra(DXBearing::lltoqra($lat, $long));
568 # send a remote command to a distant cluster if it is visible and there is no
569 # qra locator and we havn't done it for a month.
571 unless ($user->qra) {
573 my $to = $user->homenode;
574 my $last = $user->lastoper || 0;
575 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
576 my $cmd = "forward/opernam $spot[4]";
577 # send the rcmd but we aren't interested in the replies...
578 my $dxchan = $node->dxchan;
579 if ($dxchan && $dxchan->is_clx) {
580 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
582 route(undef, $to, pc34($main::mycall, $to, $cmd));
586 $node = Route::Node::get($to);
588 $dxchan = $node->dxchan;
589 if ($dxchan && $dxchan->is_clx) {
590 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
592 route(undef, $to, pc34($main::mycall, $to, $cmd));
596 $user->lastoper($main::systime);
611 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
613 # announce duplicate checking
614 $_[3] =~ s/^\s+//; # remove leading blanks
618 if (@bad = BadWords::check($_[3])) {
619 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
624 # if this is a 'nodx' node then ignore it
625 if ($badnode->in($_[5])) {
626 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
630 # if this is a 'bad spotter' user then ignore it
632 $nossid =~ s/-\d+$//;
633 if ($badspotter->in($nossid)) {
634 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
641 if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
642 $self->send_chat($line, @_[1..6]);
643 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
646 # RouteDB::update($_[5], $self->{call});
647 # RouteDB::update($_[1], $_[5]);
649 # ignore something that looks like a chat line coming in with sysop
650 # flag - this is a kludge...
651 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
652 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
656 # here's a bit of fun, convert incoming ann with a callsign in the first word
657 # or one saying 'to <call>' to a talk if we can route to the recipient
659 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
661 my $ref = Route::get($call);
663 $dxchan = $ref->dxchan;
664 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
671 $self->send_announce($line, @_[1..6]);
673 $self->route($_[2], $line);
688 my $newline = "PC16^";
690 # dos I want users from this channel?
691 unless ($self->user->wantpc16) {
692 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
696 if ($ncall eq $main::mycall) {
697 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
701 RouteDB::update($ncall, $self->{call});
703 # do we believe this call?
704 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
705 if (my $ivp = Investigate::get($ncall, $self->{call})) {
706 $ivp->store_pcxx($pcno,$line,$origin,@_);
708 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
713 if (eph_dup($line)) {
714 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
718 my $parent = Route::Node::get($ncall);
720 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
721 # fix it up in the routing tables and issue it forth before the PC16
723 my $nl = $pc19list{$ncall};
725 if ($nl && @_ > 3) { # 3 because of the hop count!
727 # this is a new (remembered) node, now attach it to me if it isn't in filtered
728 # and we haven't disallowed it
729 my $user = DXUser->get_current($ncall);
731 $user = DXUser->new($ncall);
733 $user->priv(1); # I have relented and defaulted nodes
735 $user->homenode($ncall);
739 my $wantpc19 = $user->wantroutepc19;
740 if ($wantpc19 || !defined $wantpc19) {
741 my $new = Route->new($ncall); # throw away
742 if ($self->in_filter_route($new)) {
745 $parent = Route::Node::get($_->[0]);
746 $dxchan = $parent->dxchan if $parent;
747 if ($dxchan && $dxchan ne $self) {
748 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
752 my $r = $parent->add($ncall, $_->[1], $_->[2]);
753 push @nrout, $r unless @nrout;
756 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
757 $user->lastin($main::systime) unless DXChannel::get($ncall);
760 # route the pc19 - this will cause 'stuttering PC19s' for a while
761 $self->route_pc19($origin, $line, @nrout) if @nrout ;
762 $parent = Route::Node::get($ncall);
764 dbg("PCPROT: lost $ncall after sending PC19 for it?");
770 delete $pc19list{$ncall};
773 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
778 $dxchan = $parent->dxchan;
779 if ($dxchan && $dxchan ne $self) {
780 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
784 # input filter if required
785 return unless $self->in_filter_route($parent);
788 # is he under the control of the new protocol?
789 if ($parent && $parent->np) {
790 dbg("PCPROT: $ncall aranea node, ignored") if isdbg('chanerr');
796 for ($i = 2; $i < $#_; $i++) {
797 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
798 next unless $call && $conf && defined $here && is_callsign($call);
799 next if $call eq $main::mycall;
801 eph_del_regex("^PC17\\^$call\\^$ncall");
803 $conf = $conf eq '*';
805 # reject this if we think it is a node already
806 my $r = Route::Node::get($call);
807 my $u = DXUser->get_current($call) unless $r;
808 if ($r || ($u && $u->is_node)) {
809 dbg("PCPROT: $call is a node") if isdbg('chanerr');
813 $r = Route::User::get($call);
817 my $au = $r->addparent($parent);
818 if ($r->flags != $flags) {
822 push @rout, $r if $au;
824 push @rout, $parent->add_user($call, $flags);
828 # add this station to the user database, if required
829 $call =~ s/-\d+$//o; # remove ssid for users
830 my $user = DXUser->get_current($call);
831 $user = DXUser->new($call) if !$user;
832 $user->homenode($parent->call) if !$user->homenode;
833 $user->node($parent->call);
834 $user->lastin($main::systime) unless DXChannel::get($call);
837 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
851 eph_del_regex("^PC16\\^$ncall.*$ucall");
853 # do I want users from this channel?
854 unless ($self->user->wantpc16) {
855 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
858 if ($ncall eq $main::mycall) {
859 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
863 RouteDB::delete($ncall, $self->{call});
865 # do we believe this call?
866 unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
867 if (my $ivp = Investigate::get($ncall, $self->{call})) {
868 $ivp->store_pcxx($pcno,$line,$origin,@_);
870 dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
875 my $uref = Route::User::get($ucall);
877 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
879 my $parent = Route::Node::get($ncall);
881 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
884 $dxchan = $parent->dxchan if $parent;
885 if ($dxchan && $dxchan ne $self) {
886 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
890 # is he under the control of the new protocol?
891 if ($parent && $parent->np) {
892 dbg("PCPROT: $ncall aranea node, 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(0 + $1);
925 $self->user->version(0 + $1);
926 $self->build(0 + $2);
927 $self->user->build(0 + $2);
928 unless ($self->is_spider) {
929 $self->user->sort('S');
934 $self->version(50.0);
935 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
936 $self->user->version($self->version);
939 # first clear out any nodes on this dxchannel
940 my $parent = Route::Node::get($origin);
941 my @rout = $parent->del_nodes;
942 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
943 $self->send_local_config();
947 # incoming cluster list
956 my $newline = "PC19^";
961 # first get the INTERFACE node
962 my $parent = Route::Node::get($origin);
964 dbg("DXPROT: my parent $origin has disappeared");
969 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
970 if ($origin ne $self->call) {
971 my $op = Route::Node::get($origin);
973 $op = $parent->add($origin, 5000, 1);
974 my $user = DXUser->get_current($origin);
976 $user = DXUser->new($origin);
977 $user->priv(1); # I have relented and defaulted nodes
979 $user->homenode($origin);
980 $user->node($origin);
981 $user->wantroutepc19(1);
983 $user->sort('A') unless $user->is_node;
990 for ($i = 1; $i < $#_-1; $i += 4) {
992 my $call = uc $_[$i+1];
995 next unless defined $here && defined $conf && is_callsign($call);
997 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
999 # check for sane parameters
1000 # $ver = 5000 if $ver eq '0000';
1001 next if $ver < 5000; # only works with version 5 software
1002 next if length $call < 3; # min 3 letter callsigns
1003 next if $call eq $main::mycall;
1005 # check that this PC19 isn't trying to alter the wrong dxchan
1006 my $dxchan = DXChannel::get($call);
1007 if ($dxchan && $dxchan != $self) {
1008 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1012 # add this station to the user database, if required (don't remove SSID from nodes)
1013 my $user = DXUser->get_current($call);
1015 $user = DXUser->new($call);
1016 $user->priv(1); # I have relented and defaulted nodes
1018 $user->homenode($call);
1021 $user->sort('A') unless $user->is_node;
1023 RouteDB::update($call, $origin);
1025 # do we believe this call?
1026 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1027 unless ($call eq $origin || $self->is_believed($call)) {
1028 my $pt = $user->lastping($origin) || 0;
1029 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $origin)) {
1030 my $ivp = Investigate->new($call, $origin);
1031 $ivp->version($ver);
1033 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1035 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1041 if (eph_dup($genline)) {
1042 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1046 my $r = Route::Node::get($call);
1049 # is he under the control of the new protocol?
1051 dbg("PCPROT: $call aranea node, ignored") if isdbg('chanerr');
1054 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1057 if ($call ne $parent->call) {
1058 if ($self->in_filter_route($r)) {
1059 $ar = $parent->add($call, $ver, $flags);
1060 push @rout, $ar if $ar;
1065 if ($r->version ne $ver || $r->flags != $flags) {
1068 push @rout, $r unless $ar;
1072 # if he is directly connected or allowed then add him, otherwise store him up for later
1073 if ($call eq $origin || $user->wantroutepc19) {
1074 my $new = Route->new($call); # throw away
1075 if ($self->in_filter_route($new)) {
1076 my $ar = $parent->add($call, $ver, $flags);
1077 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1078 push @rout, $ar if $ar;
1083 $pc19list{$call} = [] unless exists $pc19list{$call};
1084 my $nl = $pc19list{$call};
1085 push @{$pc19list{$call}}, [$origin, $ver, $flags] unless grep $_->[0] eq $origin, @$nl;
1089 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1090 my $mref = DXMsg::get_busy($call);
1091 $mref->stop_msg($call) if $mref;
1093 $user->lastin($main::systime) unless DXChannel::get($call);
1098 $self->route_pc19($origin, $line, @rout) if @rout;
1101 # send local configuration
1108 $self->send_local_config();
1109 $self->send(pc22());
1110 $self->state('normal');
1111 $self->{lastping} = 0;
1112 my $thing = Thingy::Rt->new(user=>$self->{call});
1113 my $nref = Route::Node::get($self->{call});
1114 $thing->copy_pc16_data($nref);
1117 $self->lastcf($main::systime);
1120 # delete a cluster from the list
1127 my $call = uc $_[1];
1129 eph_del_regex("^PC1[679].*$call");
1131 # if I get a PC21 from the same callsign as self then treat it
1132 # as a PC39: I have gone away
1133 if ($call eq $self->call) {
1134 $self->disconnect(1);
1138 RouteDB::delete($call, $origin);
1140 # check if we believe this
1141 unless ($call eq $origin || $self->is_believed($call)) {
1142 if (my $ivp = Investigate::get($call, $origin)) {
1143 $ivp->store_pcxx($pcno,$line,$origin,@_);
1145 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1150 # check to see if we are in the pc19list, if we are then don't bother with any of
1151 # this routing table manipulation, just remove it from the list and dump it
1153 if (my $nl = $pc19list{$call}) {
1154 $pc19list{$call} = [ grep {$_->[0] ne $origin} @$nl ];
1155 delete $pc19list{$call} unless @{$pc19list{$call}};
1158 my $parent = Route::Node::get($origin);
1160 dbg("DXPROT: my parent $origin has disappeared");
1164 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1165 my $node = Route::Node::get($call);
1168 my $dxchan = DXChannel::get($call);
1169 if ($dxchan && $dxchan != $self) {
1170 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1175 return unless $self->in_filter_route($node);
1177 # is he under the control of the new protocol?
1179 dbg("PCPROT: $call aranea node, ignored") if isdbg('chanerr');
1184 push @rout, $node->del($parent);
1187 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1192 $self->route_pc21($origin, $line, @rout) if @rout;
1202 $self->state('normal');
1203 $self->{lastping} = 0;
1204 my $thing = Thingy::Rt->new(user=>$self->{call});
1205 my $nref = Route::Node::get($self->{call});
1206 $thing->copy_pc16_data($nref);
1208 $self->lastcf($main::systime);
1219 # route foreign' pc27s
1221 if ($_[8] ne $main::mycall) {
1222 $self->route($_[8], $line);
1227 # only do a rspf check on PC23 (not 27)
1229 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1233 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1234 my $sfi = unpad($_[3]);
1235 my $k = unpad($_[4]);
1236 my $i = unpad($_[5]);
1237 my ($r) = $_[6] =~ /R=(\d+)/;
1239 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1240 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1243 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1244 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1247 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1249 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1253 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1255 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1258 # DON'T be silly and send on PC27s!
1259 return if $pcno == 27;
1261 # broadcast to the eager world
1262 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1272 my $call = uc $_[1];
1274 $nref = Route::Node::get($call);
1275 $uref = Route::User::get($call);
1276 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1278 if (eph_dup($line)) {
1279 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1283 $nref->here($_[2]) if $nref;
1284 $uref->here($_[2]) if $uref;
1285 my $ref = $nref || $uref;
1286 return unless $self->in_filter_route($ref);
1288 $self->route_pc24($origin, $line, $ref, $_[3]);
1298 if ($_[1] ne $main::mycall) {
1299 $self->route($_[1], $line);
1302 if ($_[2] eq $main::mycall) {
1303 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1307 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1311 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1314 $self->send(pc26(@{$in}[0..4], $_[2]));
1320 my @in = reverse Geomag::search(0, $_[4], time, 1);
1323 $self->send(pc27(@{$in}[0..5], $_[2]));
1328 sub handle_26 {goto &handle_11}
1329 sub handle_27 {goto &handle_23}
1331 # mail/file handling
1338 if ($_[1] eq $main::mycall) {
1340 my $sub = "DXMsg::handle_$pcno";
1343 $self->route($_[1], $line) unless $self->is_clx;
1347 sub handle_29 {goto &handle_28}
1348 sub handle_30 {goto &handle_28}
1349 sub handle_31 {goto &handle_28}
1350 sub handle_32 {goto &handle_28}
1351 sub handle_33 {goto &handle_28}
1359 if (eph_dup($line, $eph_pc34_restime)) {
1360 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1362 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1366 # remote command replies
1373 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1374 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1377 sub handle_36 {goto &handle_34}
1386 if ($_[1] eq $main::mycall) {
1388 my $sub = "DXDb::handle_$pcno";
1391 $self->route($_[1], $line) unless $self->is_clx;
1395 # node connected list from neighbour
1404 # incoming disconnect
1411 if ($_[1] eq $origin) {
1412 $self->disconnect(1);
1414 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1418 sub handle_40 {goto &handle_28}
1430 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1431 if (eph_dup($l, $eph_info_restime)) {
1432 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1436 # input filter if required
1437 # my $ref = Route::get($call) || Route->new($call);
1438 # return unless $self->in_filter_route($ref);
1440 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1441 dbg('PCPROT: invalid value') if isdbg('chanerr');
1445 # add this station to the user database, if required
1446 my $user = DXUser->get_current($call);
1447 $user = DXUser->new($call) unless $user;
1451 } elsif ($_[2] == 2) {
1453 } elsif ($_[2] == 3) {
1454 if (is_latlong($_[3])) {
1455 my ($lat, $long) = DXBearing::stoll($_[3]);
1458 $user->qra(DXBearing::lltoqra($lat, $long));
1460 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1463 } elsif ($_[2] == 4) {
1464 $user->homenode($_[3]);
1465 } elsif ($_[2] == 5) {
1466 if (is_qra(uc $_[3])) {
1467 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1470 $user->qra(uc $_[3]);
1472 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1476 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1479 unless ($self->{isolate}) {
1480 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1483 # perhaps this IS what we want after all
1484 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1487 sub handle_42 {goto &handle_28}
1491 sub handle_44 {goto &handle_37}
1492 sub handle_45 {goto &handle_37}
1493 sub handle_46 {goto &handle_37}
1494 sub handle_47 {goto &handle_37}
1495 sub handle_48 {goto &handle_37}
1497 # message and database
1505 if (eph_dup($line)) {
1506 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1510 if ($_[1] eq $main::mycall) {
1511 DXMsg::handle_49($self, @_);
1513 $self->route($_[1], $line) unless $self->is_clx;
1517 # keep alive/user list
1527 RouteDB::update($call, $origin);
1529 my $node = Route::Node::get($call);
1531 return unless $node->call eq $origin;
1532 $node->usercount($_[2]);
1534 # input filter if required
1535 return unless $self->in_filter_route($node);
1537 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1541 # incoming ping requests/answers
1554 if ($to eq $main::mycall) {
1556 $self->send(pc51($from, $to, '0'));
1558 # it's a reply, look in the ping list for this one
1559 my $ref = $pings{$from};
1561 my $tochan = DXChannel::get($from);
1563 my $r = shift @$ref;
1564 my $dxchan = DXChannel::get($r->{call});
1565 next unless $dxchan;
1566 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1567 if ($dxchan->is_user) {
1568 my $s = sprintf "%.2f", $t;
1569 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1570 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1571 } elsif ($dxchan->is_node) {
1573 my $nopings = $tochan->user->nopings || $obscount;
1574 push @{$tochan->{pingtime}}, $t;
1575 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1577 # cope with a missed ping, this means you must set the pingint large enough
1578 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1579 $t -= $tochan->{pingint};
1582 # calc smoothed RTT a la TCP
1583 if (@{$tochan->{pingtime}} == 1) {
1584 $tochan->{pingave} = $t;
1586 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1588 $tochan->{nopings} = $nopings; # pump up the timer
1589 if (my $ivp = Investigate::get($from, $origin)) {
1592 } elsif (my $rref = Route::Node::get($r->{call})) {
1593 if (my $ivp = Investigate::get($from, $origin)) {
1603 RouteDB::update($from, $origin);
1605 if (eph_dup($line)) {
1606 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1609 # route down an appropriate thingy
1610 $self->route($to, $line);
1614 # dunno but route it
1622 if ($call ne $main::mycall) {
1623 $self->route($call, $line);
1637 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1638 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1639 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1642 @_ = map { unpad($_) } @_;
1644 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1648 my $wcy = WCY::update($d, @_[2..12]);
1652 $rep = Local::wcy($self, @_[1..12]);
1654 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1657 # broadcast to the eager world
1658 send_wcy_spot($self, $line, $d, @_[2..12]);
1661 # remote commands (incoming)
1668 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1671 # remote command replies
1678 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1681 # if get here then rebroadcast the thing with its Hop count decremented (if
1682 # there is one). If it has a hop count and it decrements to zero then don't
1685 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1696 if (eph_dup($line)) {
1697 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1699 unless ($self->{isolate}) {
1700 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1706 # This is called from inside the main cluster processing loop and is used
1707 # for despatching commands that are doing some long processing job
1712 my @dxchan = DXChannel::get_all();
1716 # send out a pc50 on EVERY channel all at once
1717 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1718 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1723 foreach $dxchan (@dxchan) {
1724 next unless $dxchan->is_node();
1725 next if $dxchan == $main::me;
1728 $dxchan->send($pc50s) if $pc50s;
1730 # send a ping out on this channel
1731 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1732 if ($dxchan->{nopings} <= 0) {
1733 $dxchan->disconnect;
1735 addping($main::mycall, $dxchan->call);
1736 $dxchan->{nopings} -= 1;
1737 $dxchan->{lastping} = $t;
1742 Investigate::process();
1745 if ($t - $last10 >= 10) {
1746 # clean out ephemera
1755 if ($main::systime - 3600 > $last_hour) {
1756 $last_hour = $main::systime;
1761 # finish up a pc context
1765 # some active measures
1771 my ($self, $filter, $hops, $isolate, $line) = @_;
1777 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1779 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1780 return unless $routeit;
1783 $self->send($routeit);
1785 $self->send($routeit) unless $self->{isolate} || $isolate;
1794 my @dxchan = DXChannel::get_all();
1796 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1798 # send it if it isn't the except list and isn't isolated and still has a hop count
1799 # taking into account filtering and so on
1800 foreach $dxchan (@dxchan) {
1801 next if $dxchan == $main::me;
1802 next if $dxchan == $self && $self->is_node;
1804 my ($filter, $hops);
1806 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1814 my $isolate = shift;
1815 my ($filter, $hops);
1817 if ($self->{wwvfilter}) {
1818 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1819 return unless $filter;
1821 send_prot_line($self, $filter, $hops, $isolate, $line)
1828 my @dxchan = DXChannel::get_all();
1830 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1832 # send it if it isn't the except list and isn't isolated and still has a hop count
1833 # taking into account filtering and so on
1834 foreach $dxchan (@dxchan) {
1835 next if $dxchan == $main::me;
1836 next if $dxchan == $self;
1838 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1846 my $isolate = shift;
1847 my ($filter, $hops);
1849 if ($self->{wcyfilter}) {
1850 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1851 return unless $filter;
1853 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1861 my @dxchan = DXChannel::get_all();
1865 my $text = unpad($_[2]);
1867 if ($_[3] eq '*') { # sysops
1869 } elsif ($_[3] gt ' ') { # speciality list handling
1870 my ($name) = split /\./, $_[3];
1871 $target = "$name"; # put the rest in later (if bothered)
1878 $target = "ALL" if !$target;
1881 # obtain country codes etc
1882 my @a = Prefix::cty_data($_[0]);
1883 my @b = Prefix::cty_data($_[4]);
1884 if ($self->{inannfilter}) {
1885 my ($filter, $hops) =
1886 $self->{inannfilter}->it(@_, $self->{call},
1888 @b[0..2], $a[3], $b[3]);
1890 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1895 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1896 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1900 Log('ann', $target, $_[0], $text);
1902 # send it if it isn't the except list and isn't isolated and still has a hop count
1903 # taking into account filtering and so on
1904 foreach $dxchan (@dxchan) {
1905 next if $dxchan == $main::me;
1906 next if $dxchan == $self && $self->is_node;
1907 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1908 @a[0..2], @b[0..2]);
1917 $msgid = 1 if $msgid > 999;
1926 my @dxchan = DXChannel::get_all();
1929 my $text = unpad($_[2]);
1932 # munge the group and recast the line if required
1933 if ($target =~ s/\.LST$//) {
1937 # obtain country codes etc
1938 my @a = Prefix::cty_data($_[0]);
1939 my @b = Prefix::cty_data($_[4]);
1940 if ($self->{inannfilter}) {
1941 my ($filter, $hops) =
1942 $self->{inannfilter}->it(@_, $self->{call},
1944 @b[0..2], $a[3], $b[3]);
1946 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1951 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1952 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1957 Log('chat', $target, $_[0], $text);
1959 # send it if it isn't the except list and isn't isolated and still has a hop count
1960 # taking into account filtering and so on
1961 foreach $dxchan (@dxchan) {
1962 my $is_ak1a = $dxchan->is_ak1a;
1964 if ($dxchan->is_node) {
1965 next if $dxchan == $main::me;
1966 next if $dxchan == $self;
1967 next unless $dxchan->is_spider || $is_ak1a;
1968 next if $target eq 'LOCAL';
1969 if (!$ak1a_line && $is_ak1a) {
1970 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1974 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1975 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1983 my $isolate = shift;
1987 my ($filter, $hops);
1989 if ($self->{annfilter}) {
1990 ($filter, $hops) = $self->{annfilter}->it(@_);
1991 return unless $filter;
1993 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2002 sub send_local_config
2010 dbg('DXProt::send_local_config') if isdbg('trace');
2013 if ($self->{isolate}) {
2014 @localnodes = ( $main::routeroot );
2015 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2017 # create a list of all the nodes that are not connected to this connection
2018 # and are not themselves isolated, this to make sure that isolated nodes
2019 # don't appear outside of this node
2021 # send locally connected nodes
2022 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && ($_->is_node || $_->is_aranea) } DXChannel::get_all();
2023 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2024 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2027 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2029 for $node (@rawintcalls) {
2030 push @intcalls, $node unless grep $node eq $_, @intcalls;
2032 my $ref = Route::Node::get($self->{call});
2033 my @rnodes = $ref->nodes;
2034 for $node (@intcalls) {
2035 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2037 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2040 # get all the users connected on the above nodes and send them out
2041 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2043 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2044 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2046 dbg("sent a null value") if isdbg('chanerr');
2052 # route a message down an appropriate interface for a callsign
2054 # is called route(to, pcline);
2059 my ($self, $call, $line) = @_;
2061 if (ref $self && $call eq $self->{call}) {
2062 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2066 # always send it down the local interface if available
2067 my $dxchan = DXChannel::get($call);
2069 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2071 my $cl = Route::get($call);
2072 $dxchan = $cl->dxchan if $cl;
2074 if (ref $self && $dxchan eq $self) {
2075 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2078 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2082 # try the backstop method
2084 my $rcall = RouteDB::get($call);
2086 if ($self && $rcall eq $self->{call}) {
2087 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2090 $dxchan = DXChannel::get($rcall);
2091 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2096 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2098 $dxchan->send($routeit) unless $dxchan == $main::me;
2101 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2106 # obtain the hops from the list for this callsign and pc no
2112 my $hops = $DXProt::hopcount{$pcno};
2113 $hops = $DXProt::def_hopcount if !$hops;
2118 # adjust the hop count on a per node basis using the user loadable
2119 # hop table if available or else decrement an existing one
2126 my $call = $self->{call};
2129 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2130 my ($pcno) = $s =~ /^PC(\d\d)/o;
2131 confess "$call called adjust_hops with '$s'" unless $pcno;
2132 my $ref = $nodehops{$call} if %nodehops;
2134 my $newhops = $ref->{$pcno};
2135 return "" if defined $newhops && $newhops == 0;
2136 $newhops = $ref->{default} unless $newhops;
2137 return "" if defined $newhops && $newhops == 0;
2138 $newhops = $hops if !$newhops;
2139 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2141 # simply decrement it
2142 # $hops--; this is done on receipt now
2143 return "" if !$hops;
2144 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2156 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2157 do "$main::data/hop_table.pl";
2163 # add a ping request to the ping queues
2166 my ($from, $to, $via) = @_;
2167 my $ref = $pings{$to} || [];
2170 $r->{t} = [ gettimeofday ];
2171 if ($via && (my $dxchan = DXChannel::get($via))) {
2172 $dxchan->send(pc51($to, $main::mycall, 1));
2174 route(undef, $to, pc51($to, $main::mycall, 1));
2178 my $u = DXUser->get_current($to);
2180 $u->lastping(($via || $from), $main::systime);
2187 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2188 if ($tonode eq $main::mycall) {
2189 my $ref = DXUser->get_current($fromnode);
2190 my $cref = Route::Node::get($fromnode);
2191 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2192 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2193 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2194 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2195 my $oldpriv = $self->{priv};
2196 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2197 my @in = (DXCommandmode::run_cmd($self, $cmd));
2198 $self->{priv} = $oldpriv;
2199 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2200 delete $self->{remotecmd};
2202 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2205 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2208 my $ref = DXUser->get_current($tonode);
2209 if ($ref && $ref->is_clx) {
2210 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2212 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2217 sub process_rcmd_reply
2219 my ($self, $tonode, $fromnode, $user, $line) = @_;
2220 if ($tonode eq $main::mycall) {
2221 my $s = $rcmds{$fromnode};
2223 my $dxchan = DXChannel::get($s->{call});
2224 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
2225 $ref->send($line) if $ref;
2226 delete $rcmds{$fromnode} if !$dxchan;
2228 # send unsolicited ones to the sysop
2229 my $dxchan = DXChannel::get($main::myalias);
2230 $dxchan->send($line) if $dxchan;
2233 my $ref = DXUser->get_current($tonode);
2234 if ($ref && $ref->is_clx) {
2235 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2237 $self->route($tonode, pc35($fromnode, $tonode, $line));
2246 my $fromnode = shift;
2251 Log('rcmd', 'out', $fromnode, $line);
2252 if ($self->is_clx) {
2253 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2255 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2260 # add a rcmd request to the rcmd queues
2263 my ($self, $to, $cmd) = @_;
2266 $r->{call} = $self->{call};
2267 $r->{t} = $main::systime;
2271 my $ref = Route::Node::get($to);
2272 my $dxchan = $ref->dxchan;
2273 if ($dxchan && $dxchan->is_clx) {
2274 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2276 route(undef, $to, pc34($main::mycall, $to, $cmd));
2283 my $pc39flag = shift;
2284 my $call = $self->call;
2286 return if $self->{disconnecting}++;
2288 unless ($pc39flag && $pc39flag == 1) {
2289 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2292 # get rid of any PC16/17/19
2293 eph_del_regex("^PC1[679]*$call");
2295 # do routing stuff, remove me from routing table
2296 my $node = Route::Node::get($call);
2299 @rout = $node->del($main::routeroot);
2301 # and all my ephemera as well
2304 eph_del_regex("^PC1[679].*$c");
2308 RouteDB::delete_interface($call);
2310 # remove them from the pc19list as well
2311 while (my ($k,$v) = each %pc19list) {
2312 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2314 $pc19list{$k} = \@l;
2316 delete $pc19list{$k};
2320 eph_del_regex("^PC1[679].*$k");
2323 # unbusy and stop and outgoing mail
2324 my $mref = DXMsg::get_busy($call);
2325 $mref->stop_msg($call) if $mref;
2327 # broadcast to all other nodes that all the nodes connected to via me are gone
2328 unless ($pc39flag && $pc39flag == 2) {
2329 my $thing = Thingy::Bye->new(user=>$call);
2330 $thing->broadcast($self);
2332 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2335 # remove outstanding pings
2336 delete $pings{$call};
2338 # I was the last node visited
2339 $self->user->node($main::mycall);
2341 # send info to all logged in thingies
2342 $self->tell_login('logoutn');
2344 Log('DXProt', $call . " Disconnected");
2346 $self->SUPER::disconnect;
2351 # send a talk message to this thingy
2355 my ($self, $from, $to, $via, $line, $origin) = @_;
2357 $line =~ s/\^/\\5E/g; # remove any ^ characters
2358 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2359 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2362 # send it if it isn't the except list and isn't isolated and still has a hop count
2363 # taking into account filtering and so on
2369 my $generate = shift;
2370 my $no = shift; # the no of things to filter on
2372 my ($filter, $hops);
2375 for (; @_ && $no; $no--) {
2378 if (!$self->{isolate} && $self->{routefilter}) {
2381 ($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});
2385 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2388 dbg("was sent a null value") if isdbg('chanerr');
2391 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2395 foreach my $line (&$generate(@rin, @_)) {
2398 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2400 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2401 next unless $routeit;
2404 $self->send($routeit);
2413 my $generate = shift;
2415 my @dxchan = DXChannel::get_all_nodes();
2418 unless ($self->{isolate}) {
2419 foreach $dxchan (@dxchan) {
2420 next if $dxchan == $self;
2421 next if $dxchan == $main::me;
2422 next unless $dxchan->isa('DXProt');
2423 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2425 $dxchan->send_route($origin, $generate, @_);
2433 return unless $self->user->wantpc16;
2436 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2442 return unless $self->user->wantpc16;
2445 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2453 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2461 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2469 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2477 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2485 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2492 my ($filter, $hops) = (1, 1);
2494 if ($self->{inroutefilter}) {
2495 ($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);
2496 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2504 my $t = shift || $eph_restime;
2508 $s =~ s/\^H\d\d?\^?\~?$//;
2509 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2510 $eph{$s} = $main::systime + $t;
2511 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2519 while (($key, $val) = each %eph) {
2520 if ($key =~ m{$regex}) {
2530 while (($key, $val) = each %eph) {
2531 if ($main::systime >= $val) {
2542 while (($key, $val) = each %eph) {
2543 push @out, $key, $val;
2550 goto &DXCommandmode::run_cmd;
2554 # import any msgs in the chat directory
2555 # the messages are sent to the chat group which forms the
2556 # the first part of the name (eg: solar.1243.txt would be
2557 # sent to chat group SOLAR)
2559 # Each message found is sent: one non-blank line to one chat
2560 # message. So 4 lines = 4 chat messages.
2562 # The special name LOCAL is for local users ANN
2563 # The special name ALL is for ANN/FULL
2564 # The special name SYSOP is for ANN/SYSOP
2568 # are there any to do in this directory?
2569 return unless -d $chatimportfn;
2570 unless (opendir(DIR, $chatimportfn)) {
2571 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2572 Log('msg', "can\'t open $chatimportfn $!");
2576 my @names = readdir(DIR);
2579 foreach $name (@names) {
2580 next if $name =~ /^\./;
2581 my $splitit = $name =~ /^split/;
2582 my $fn = "$chatimportfn/$name";
2584 unless (open(MSG, $fn)) {
2585 dbg("can\'t open import file $fn $!") if isdbg('msg');
2586 Log('msg', "can\'t open import file $fn $!");
2590 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2594 my @cat = split /\./, $name;
2595 my $target = uc $cat[0];
2597 foreach my $text (@msg) {
2598 next unless $text && $text !~ /^\s*#/;
2599 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2600 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2601 if ($target ne 'LOCAL') {
2602 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2604 Log('ann', 'LOCAL', $main::mycall, $text);
2605 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2608 my $msgid = nextchatmsgid();
2609 $text = "#$msgid $text";
2610 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');