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);
46 use vars qw($VERSION $BRANCH);
47 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
48 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /^\d+\.\d+(?:\.(\d+)\.(\d+))?$/ || (0,0));
49 $main::build += $VERSION;
50 $main::branch += $BRANCH;
52 use vars qw($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} = 5251 + $main::version;
227 $main::me->{build} = $main::build;
231 # obtain a new connection this is derived from dxchannel
236 my $self = DXChannel::alloc(@_);
238 # add this node to the table, the values get filled in later
241 $main::routeroot->add($call, '5000', Route::here(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 # send info to all logged in thingies
313 $self->tell_login('loginn');
315 # run a script send the output to the debug file
316 my $script = new Script(lc $call) || new Script('node_default');
317 $script->run($self) if $script;
321 # send outgoing 'challenge'
332 # This is the normal pcxx despatcher
336 my ($self, $line) = @_;
338 my @field = split /\^/, $line;
339 return unless @field;
341 pop @field if $field[-1] eq '~';
343 # print join(',', @field), "\n";
345 # process PC frames, this will fail unless the frame starts PCnn
346 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
347 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
348 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
352 # check for and dump bad protocol messages
353 my $n = check($pcno, @field);
355 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
359 # decrement any hop fields at this point
360 if ($line =~ /\^H(\d\d?)\^?~?$/) {
363 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
366 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
369 my $origin = $self->{call};
371 my $sub = "handle_$pcno";
373 if ($self->can($sub)) {
374 $self->$sub($pcno, $line, $origin, @field);
376 $self->handle_default($pcno, $line, $origin, @field);
380 # incoming talk commands
389 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
391 # will we allow it at all?
394 if (@bad = BadWords::check($_[3])) {
395 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
400 # is it for me or one of mine?
401 my ($from, $to, $via, $call, $dxchan);
410 # if this is a 'nodx' node then ignore it
411 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
412 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
416 # if this is a 'bad spotter' user then ignore it
418 $nossid =~ s/-\d+$//;
419 if ($badspotter->in($nossid)) {
420 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
424 # if we are converting announces to talk is it a dup?
426 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
427 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
432 # remember a route to this node and also the node on which this user is
433 RouteDB::update($_[6], $origin);
434 # RouteDB::update($to, $_[6]);
436 # it is here and logged on
437 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
438 $dxchan = DXChannel->get($to) unless $dxchan;
439 if ($dxchan && $dxchan->is_user) {
441 $dxchan->talk($from, $to, $via, $_[3]);
445 # is it elsewhere, visible on the cluster via the to address?
446 # note: this discards the via unless the to address is on
449 if ($ref = Route::get($to)) {
450 $vref = Route::Node::get($via) if $via;
451 $vref = undef unless $vref && grep $to eq $_, $vref->users;
452 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
456 # can we see an interface to send it down?
458 # not visible here, send a message of condolence
460 $ref = Route::get($from);
461 $vref = $ref = Route::Node::get($_[6]) unless $ref;
463 $dxchan = $ref->dxchan;
464 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
476 # route 'foreign' pc26s
478 if ($_[7] ne $main::mycall) {
479 $self->route($_[7], $line);
485 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
487 # if this is a 'nodx' node then ignore it
488 if ($badnode->in($_[7])) {
489 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
493 # if this is a 'bad spotter' user then ignore it
495 $nossid =~ s/-\d+$//;
496 if ($badspotter->in($nossid)) {
497 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
501 # convert the date to a unix date
502 my $d = cltounix($_[3], $_[4]);
503 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
504 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
505 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
510 if ($baddx->in($_[2]) || BadWords::check($_[2])) {
511 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
516 $_[5] =~ s/^\s+//; # take any leading blanks off
517 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
518 if ($_[2] =~ /BUST\w*$/) {
519 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
524 if (@bad = BadWords::check($_[5])) {
525 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
531 # RouteDB::update($_[7], $self->{call});
532 # RouteDB::update($_[6], $_[7]);
534 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
536 my $thing = Thingy::Dx->new(origin=>$main::mycall);
537 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
538 $thing->queue($self);
540 # this goes after the input filtering, but before the add
541 # so that if it is input filtered, it isn't added to the dup
542 # list. This allows it to come in from a "legitimate" source
544 # @spot at this point contains:-
545 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
546 # then spotted itu, spotted cq, spotters itu, spotters cq
547 # you should be able to route on any of these
550 # fix up qra locators of known users
551 my $user = DXUser->get_current($spot[4]);
553 my $qra = $user->qra;
554 unless ($qra && is_qra($qra)) {
555 my $lat = $user->lat;
556 my $long = $user->long;
557 if (defined $lat && defined $long) {
558 $user->qra(DXBearing::lltoqra($lat, $long));
563 # send a remote command to a distant cluster if it is visible and there is no
564 # qra locator and we havn't done it for a month.
566 unless ($user->qra) {
568 my $to = $user->homenode;
569 my $last = $user->lastoper || 0;
570 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
571 my $cmd = "forward/opernam $spot[4]";
572 # send the rcmd but we aren't interested in the replies...
573 my $dxchan = $node->dxchan;
574 if ($dxchan && $dxchan->is_clx) {
575 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
577 route(undef, $to, pc34($main::mycall, $to, $cmd));
581 $node = Route::Node::get($to);
583 $dxchan = $node->dxchan;
584 if ($dxchan && $dxchan->is_clx) {
585 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
587 route(undef, $to, pc34($main::mycall, $to, $cmd));
591 $user->lastoper($main::systime);
600 $r = Local::spot($self, @spot);
602 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
605 # DON'T be silly and send on PC26s!
606 return if $pcno == 26;
608 # send out the filtered spots
609 # send_dx_spot($self, $line, @spot) if @spot;
620 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
622 # announce duplicate checking
623 $_[3] =~ s/^\s+//; # remove leading blanks
627 if (@bad = BadWords::check($_[3])) {
628 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
633 # if this is a 'nodx' node then ignore it
634 if ($badnode->in($_[5])) {
635 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
639 # if this is a 'bad spotter' user then ignore it
641 $nossid =~ s/-\d+$//;
642 if ($badspotter->in($nossid)) {
643 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
650 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
651 $self->send_chat($line, @_[1..6]);
652 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
655 # RouteDB::update($_[5], $self->{call});
656 # RouteDB::update($_[1], $_[5]);
658 # ignore something that looks like a chat line coming in with sysop
659 # flag - this is a kludge...
660 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
661 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
665 # here's a bit of fun, convert incoming ann with a callsign in the first word
666 # or one saying 'to <call>' to a talk if we can route to the recipient
668 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
670 my $ref = Route::get($call);
672 $dxchan = $ref->dxchan;
673 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
680 $self->send_announce($line, @_[1..6]);
682 $self->route($_[2], $line);
697 my $newline = "PC16^";
699 # dos I want users from this channel?
700 unless ($self->user->wantpc16) {
701 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
705 if ($ncall eq $main::mycall) {
706 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
711 RouteDB::update($ncall, $origin);
713 # do we believe this call?
714 unless ($ncall eq $origin || $self->is_believed($ncall)) {
715 if (my $ivp = Investigate::get($ncall, $origin)) {
716 $ivp->store_pcxx($pcno,$line,$origin,@_);
718 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
723 if (eph_dup($line)) {
724 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
728 my $parent = Route::Node::get($ncall);
730 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
731 # fix it up in the routing tables and issue it forth before the PC16
734 $dxchan = $parent->dxchan;
735 if ($dxchan && $dxchan ne $self) {
736 dbg("PCPROT: PC16 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
743 for ($i = 2; $i < $#_; $i++) {
744 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
745 next unless $call && $conf && defined $here && is_callsign($call);
746 next if $call eq $main::mycall;
748 eph_del_regex("^PC17\\^$call\\^$ncall");
750 my $flags = $here ? 1 : 0;
751 $rout .= ":U$flags$call";
756 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
757 $thing->from_DXProt(t=>'eau', d=>"N1$ncall$rout", DXProt=>$line);
758 $thing->queue($self);
760 dbg("PCPROT: No usable users") if isdbg('chanerr');
763 dbg("PCPROT: no PC19 seen for $ncall" ) if isdbg('chanerr');
778 eph_del_regex("^PC16\\^$ncall.*$ucall");
780 # do I want users from this channel?
781 unless ($self->user->wantpc16) {
782 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
785 if ($ncall eq $main::mycall) {
786 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
790 RouteDB::delete($ncall, $origin);
792 # do we believe this call?
793 unless ($ncall eq $origin || $self->is_believed($ncall)) {
794 if (my $ivp = Investigate::get($ncall, $origin)) {
795 $ivp->store_pcxx($pcno,$line,$origin,@_);
797 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
802 my $uref = Route::User::get($ucall);
804 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
806 my $parent = Route::Node::get($ncall);
808 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
811 $dxchan = $parent->dxchan if $parent;
812 if ($dxchan && $dxchan ne $self) {
813 dbg("PCPROT: PC17 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
817 if (eph_dup($line)) {
818 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
822 $uref = Route->new($ucall) unless $uref; # throw away
823 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
824 $thing->from_DXProt(t=>'edu', d=>"N1$ncall:U1$ucall", DXProt=>$line);
825 $thing->queue($self);
835 $self->state('init');
837 # record the type and version offered
838 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
839 $self->version(52.51 + $1);
840 $self->user->version(52.51 + $1);
841 $self->build(0 + $2);
842 $self->user->build(0 + $2);
843 unless ($self->is_spider) {
844 $self->user->sort('S');
849 $self->version(50.0);
850 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
851 $self->user->version($self->version);
854 # first clear out any nodes on this dxchannel
855 my $parent = Route::Node::get($origin);
856 my @rout = $parent->del_nodes;
857 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
858 $self->send_local_config();
862 # incoming cluster list
871 my $newline = "PC19^";
876 # first get the INTERFACE node
877 my $parent = Route::Node::get($origin);
879 dbg("DXPROT: my parent $origin has disappeared");
884 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
885 if ($origin ne $self->call) {
886 my $op = Route::Node::get($origin);
888 $op = $parent->add($origin, 5000, Route::here(1));
889 my $user = DXUser->get_current($origin);
891 $user = DXUser->new($origin);
892 $user->priv(1); # I have relented and defaulted nodes
894 $user->homenode($origin);
895 $user->node($origin);
896 $user->wantroutepc19(1);
898 $user->sort('A') unless $user->is_node;
905 for ($i = 1; $i < $#_-1; $i += 4) {
907 my $call = uc $_[$i+1];
910 next unless defined $here && defined $conf && is_callsign($call);
912 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
914 # check for sane parameters
915 # $ver = 5000 if $ver eq '0000';
916 next if $ver < 5000; # only works with version 5 software
917 next if length $call < 3; # min 3 letter callsigns
918 next if $call eq $main::mycall;
920 # check that this PC19 isn't trying to alter the wrong dxchan
921 my $dxchan = DXChannel->get($call);
922 if ($dxchan && $dxchan != $self) {
923 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
927 # add this station to the user database, if required (don't remove SSID from nodes)
928 my $user = DXUser->get_current($call);
930 $user = DXUser->new($call);
931 $user->priv(1); # I have relented and defaulted nodes
933 $user->homenode($call);
936 $user->sort('A') unless $user->is_node;
938 RouteDB::update($call, $origin);
940 # do we believe this call?
941 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
942 unless ($call eq $origin || $self->is_believed($call)) {
943 my $pt = $user->lastping($origin) || 0;
944 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $origin)) {
945 my $ivp = Investigate->new($call, $origin);
948 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
950 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
956 if (eph_dup($genline)) {
957 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
961 my $r = Route::Node::get($call);
962 my $flags = Route::here($here)|Route::conf($conf);
964 # modify the routing table if it is in it, otherwise store it in the pc19list for now
967 if ($call ne $parent->call) {
968 if ($self->in_filter_route($r)) {
969 $ar = $parent->add($call, $ver, $flags);
970 push @rout, $ar if $ar;
975 if ($r->version ne $ver || $r->flags != $flags) {
978 push @rout, $r unless $ar;
982 # if he is directly connected or allowed then add him, otherwise store him up for later
983 if ($call eq $origin || $user->wantroutepc19) {
984 my $new = Route->new($call); # throw away
985 if ($self->in_filter_route($new)) {
986 my $ar = $parent->add($call, $ver, $flags);
987 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
988 push @rout, $ar if $ar;
993 $pc19list{$call} = [] unless exists $pc19list{$call};
994 my $nl = $pc19list{$call};
995 push @{$pc19list{$call}}, [$origin, $ver, $flags] unless grep $_->[0] eq $origin, @$nl;
999 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1000 my $mref = DXMsg::get_busy($call);
1001 $mref->stop_msg($call) if $mref;
1003 $user->lastin($main::systime) unless DXChannel->get($call);
1008 $self->route_pc19($origin, $line, @rout) if @rout;
1011 # send local configuration
1018 $self->send_local_config();
1019 $self->send(pc22());
1020 $self->state('normal');
1021 $self->{lastping} = 0;
1024 # delete a cluster from the list
1031 my $call = uc $_[1];
1033 eph_del_regex("^PC1[679].*$call");
1035 # if I get a PC21 from the same callsign as self then treat it
1036 # as a PC39: I have gone away
1037 if ($call eq $self->call) {
1038 $self->disconnect(1);
1042 RouteDB::delete($call, $origin);
1044 # check if we believe this
1045 unless ($call eq $origin || $self->is_believed($call)) {
1046 if (my $ivp = Investigate::get($call, $origin)) {
1047 $ivp->store_pcxx($pcno,$line,$origin,@_);
1049 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1054 # check to see if we are in the pc19list, if we are then don't bother with any of
1055 # this routing table manipulation, just remove it from the list and dump it
1057 if (my $nl = $pc19list{$call}) {
1058 $pc19list{$call} = [ grep {$_->[0] ne $origin} @$nl ];
1059 delete $pc19list{$call} unless @{$pc19list{$call}};
1062 my $parent = Route::Node::get($origin);
1064 dbg("DXPROT: my parent $origin has disappeared");
1068 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1069 my $node = Route::Node::get($call);
1072 my $dxchan = DXChannel->get($call);
1073 if ($dxchan && $dxchan != $self) {
1074 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1079 return unless $self->in_filter_route($node);
1082 push @rout, $node->del($parent);
1085 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1090 $self->route_pc21($origin, $line, @rout) if @rout;
1100 $self->state('normal');
1101 $self->{lastping} = 0;
1112 # route foreign' pc27s
1114 if ($_[8] ne $main::mycall) {
1115 $self->route($_[8], $line);
1120 # only do a rspf check on PC23 (not 27)
1122 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1126 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1127 my $sfi = unpad($_[3]);
1128 my $k = unpad($_[4]);
1129 my $i = unpad($_[5]);
1130 my ($r) = $_[6] =~ /R=(\d+)/;
1132 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1133 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1136 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1137 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1140 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1142 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1146 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1148 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1151 # DON'T be silly and send on PC27s!
1152 return if $pcno == 27;
1154 # broadcast to the eager world
1155 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1165 my $call = uc $_[1];
1167 $nref = Route::Node::get($call);
1168 $uref = Route::User::get($call);
1169 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1171 if (eph_dup($line)) {
1172 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1176 $nref->here($_[2]) if $nref;
1177 $uref->here($_[2]) if $uref;
1178 my $ref = $nref || $uref;
1179 return unless $self->in_filter_route($ref);
1181 $self->route_pc24($origin, $line, $ref, $_[3]);
1191 if ($_[1] ne $main::mycall) {
1192 $self->route($_[1], $line);
1195 if ($_[2] eq $main::mycall) {
1196 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1200 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1204 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1207 $self->send(pc26(@{$in}[0..4], $_[2]));
1213 my @in = reverse Geomag::search(0, $_[4], time, 1);
1216 $self->send(pc27(@{$in}[0..5], $_[2]));
1221 sub handle_26 {goto &handle_11}
1222 sub handle_27 {goto &handle_23}
1224 # mail/file handling
1231 if ($_[1] eq $main::mycall) {
1233 my $sub = "DXMsg::handle_$pcno";
1236 $self->route($_[1], $line) unless $self->is_clx;
1240 sub handle_29 {goto &handle_28}
1241 sub handle_30 {goto &handle_28}
1242 sub handle_31 {goto &handle_28}
1243 sub handle_32 {goto &handle_28}
1244 sub handle_33 {goto &handle_28}
1252 if (eph_dup($line, $eph_pc34_restime)) {
1253 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1255 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1259 # remote command replies
1266 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1267 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1270 sub handle_36 {goto &handle_34}
1279 if ($_[1] eq $main::mycall) {
1281 my $sub = "DXDb::handle_$pcno";
1284 $self->route($_[1], $line) unless $self->is_clx;
1288 # node connected list from neighbour
1297 # incoming disconnect
1304 if ($_[1] eq $origin) {
1305 $self->disconnect(1);
1307 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1311 sub handle_40 {goto &handle_28}
1323 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1324 if (eph_dup($l, $eph_info_restime)) {
1325 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1329 # input filter if required
1330 # my $ref = Route::get($call) || Route->new($call);
1331 # return unless $self->in_filter_route($ref);
1333 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1334 dbg('PCPROT: invalid value') if isdbg('chanerr');
1338 # add this station to the user database, if required
1339 my $user = DXUser->get_current($call);
1340 $user = DXUser->new($call) unless $user;
1344 } elsif ($_[2] == 2) {
1346 } elsif ($_[2] == 3) {
1347 if (is_latlong($_[3])) {
1348 my ($lat, $long) = DXBearing::stoll($_[3]);
1351 $user->qra(DXBearing::lltoqra($lat, $long));
1353 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1356 } elsif ($_[2] == 4) {
1357 $user->homenode($_[3]);
1358 } elsif ($_[2] == 5) {
1359 if (is_qra(uc $_[3])) {
1360 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1363 $user->qra(uc $_[3]);
1365 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1369 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1372 unless ($self->{isolate}) {
1373 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1376 # perhaps this IS what we want after all
1377 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1380 sub handle_42 {goto &handle_28}
1384 sub handle_44 {goto &handle_37}
1385 sub handle_45 {goto &handle_37}
1386 sub handle_46 {goto &handle_37}
1387 sub handle_47 {goto &handle_37}
1388 sub handle_48 {goto &handle_37}
1390 # message and database
1398 if (eph_dup($line)) {
1399 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1403 if ($_[1] eq $main::mycall) {
1404 DXMsg::handle_49($self, @_);
1406 $self->route($_[1], $line) unless $self->is_clx;
1410 # keep alive/user list
1420 RouteDB::update($call, $origin);
1422 my $node = Route::Node::get($call);
1424 return unless $node->call eq $origin;
1425 $node->usercount($_[2]);
1427 # input filter if required
1428 return unless $self->in_filter_route($node);
1430 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1434 # incoming ping requests/answers
1447 if ($to eq $main::mycall) {
1449 $self->send(pc51($from, $to, '0'));
1451 # it's a reply, look in the ping list for this one
1452 my $ref = $pings{$from};
1454 my $tochan = DXChannel->get($from);
1456 my $r = shift @$ref;
1457 my $dxchan = DXChannel->get($r->{call});
1458 next unless $dxchan;
1459 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1460 if ($dxchan->is_user) {
1461 my $s = sprintf "%.2f", $t;
1462 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1463 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1464 } elsif ($dxchan->is_node) {
1466 my $nopings = $tochan->user->nopings || $obscount;
1467 push @{$tochan->{pingtime}}, $t;
1468 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1470 # cope with a missed ping, this means you must set the pingint large enough
1471 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1472 $t -= $tochan->{pingint};
1475 # calc smoothed RTT a la TCP
1476 if (@{$tochan->{pingtime}} == 1) {
1477 $tochan->{pingave} = $t;
1479 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1481 $tochan->{nopings} = $nopings; # pump up the timer
1482 if (my $ivp = Investigate::get($from, $origin)) {
1485 } elsif (my $rref = Route::Node::get($r->{call})) {
1486 if (my $ivp = Investigate::get($from, $origin)) {
1496 RouteDB::update($from, $origin);
1498 if (eph_dup($line)) {
1499 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1502 # route down an appropriate thingy
1503 $self->route($to, $line);
1507 # dunno but route it
1515 if ($call ne $main::mycall) {
1516 $self->route($call, $line);
1530 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1531 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1532 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1535 @_ = map { unpad($_) } @_;
1537 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1541 my $wcy = WCY::update($d, @_[2..12]);
1545 $rep = Local::wcy($self, @_[1..12]);
1547 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1550 # broadcast to the eager world
1551 send_wcy_spot($self, $line, $d, @_[2..12]);
1554 # remote commands (incoming)
1561 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1564 # remote command replies
1571 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1574 # if get here then rebroadcast the thing with its Hop count decremented (if
1575 # there is one). If it has a hop count and it decrements to zero then don't
1578 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1589 if (eph_dup($line)) {
1590 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1592 unless ($self->{isolate}) {
1593 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1599 # This is called from inside the main cluster processing loop and is used
1600 # for despatching commands that are doing some long processing job
1605 my @dxchan = DXChannel->get_all();
1609 # send out a pc50 on EVERY channel all at once
1610 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1611 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1616 foreach $dxchan (@dxchan) {
1617 next unless $dxchan->is_node();
1618 next if $dxchan == $main::me;
1621 $dxchan->send($pc50s) if $pc50s;
1623 # send a ping out on this channel
1624 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1625 if ($dxchan->{nopings} <= 0) {
1626 $dxchan->disconnect;
1628 addping($main::mycall, $dxchan->call);
1629 $dxchan->{nopings} -= 1;
1630 $dxchan->{lastping} = $t;
1635 Investigate::process();
1638 if ($t - $last10 >= 10) {
1639 # clean out ephemera
1648 if ($main::systime - 3600 > $last_hour) {
1649 $last_hour = $main::systime;
1654 # finish up a pc context
1658 # some active measures
1664 my ($self, $filter, $hops, $isolate, $line) = @_;
1670 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1672 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1673 return unless $routeit;
1676 $self->send($routeit);
1678 $self->send($routeit) unless $self->{isolate} || $isolate;
1687 my @dxchan = DXChannel->get_all();
1689 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1691 # send it if it isn't the except list and isn't isolated and still has a hop count
1692 # taking into account filtering and so on
1693 foreach $dxchan (@dxchan) {
1694 next if $dxchan == $main::me;
1695 next if $dxchan == $self && $self->is_node;
1697 my ($filter, $hops);
1699 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1707 my $isolate = shift;
1708 my ($filter, $hops);
1710 if ($self->{wwvfilter}) {
1711 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1712 return unless $filter;
1714 send_prot_line($self, $filter, $hops, $isolate, $line)
1721 my @dxchan = DXChannel->get_all();
1723 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1725 # send it if it isn't the except list and isn't isolated and still has a hop count
1726 # taking into account filtering and so on
1727 foreach $dxchan (@dxchan) {
1728 next if $dxchan == $main::me;
1729 next if $dxchan == $self;
1731 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1739 my $isolate = shift;
1740 my ($filter, $hops);
1742 if ($self->{wcyfilter}) {
1743 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1744 return unless $filter;
1746 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1754 my @dxchan = DXChannel->get_all();
1758 my $text = unpad($_[2]);
1760 if ($_[3] eq '*') { # sysops
1762 } elsif ($_[3] gt ' ') { # speciality list handling
1763 my ($name) = split /\./, $_[3];
1764 $target = "$name"; # put the rest in later (if bothered)
1771 $target = "ALL" if !$target;
1774 # obtain country codes etc
1775 my @a = Prefix::cty_data($_[0]);
1776 my @b = Prefix::cty_data($_[4]);
1777 if ($self->{inannfilter}) {
1778 my ($filter, $hops) =
1779 $self->{inannfilter}->it(@_, $self->{call},
1781 @b[0..2], $a[3], $b[3]);
1783 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1788 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1789 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1793 Log('ann', $target, $_[0], $text);
1795 # send it if it isn't the except list and isn't isolated and still has a hop count
1796 # taking into account filtering and so on
1797 foreach $dxchan (@dxchan) {
1798 next if $dxchan == $main::me;
1799 next if $dxchan == $self && $self->is_node;
1800 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1801 @a[0..2], @b[0..2]);
1810 $msgid = 1 if $msgid > 999;
1819 my @dxchan = DXChannel->get_all();
1822 my $text = unpad($_[2]);
1825 # munge the group and recast the line if required
1826 if ($target =~ s/\.LST$//) {
1830 # obtain country codes etc
1831 my @a = Prefix::cty_data($_[0]);
1832 my @b = Prefix::cty_data($_[4]);
1833 if ($self->{inannfilter}) {
1834 my ($filter, $hops) =
1835 $self->{inannfilter}->it(@_, $self->{call},
1837 @b[0..2], $a[3], $b[3]);
1839 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1844 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1845 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1850 Log('chat', $target, $_[0], $text);
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 my $is_ak1a = $dxchan->is_ak1a;
1857 if ($dxchan->is_node) {
1858 next if $dxchan == $main::me;
1859 next if $dxchan == $self;
1860 next unless $dxchan->is_spider || $is_ak1a;
1861 next if $target eq 'LOCAL';
1862 if (!$ak1a_line && $is_ak1a) {
1863 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1867 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1868 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1876 my $isolate = shift;
1880 my ($filter, $hops);
1882 if ($self->{annfilter}) {
1883 ($filter, $hops) = $self->{annfilter}->it(@_);
1884 return unless $filter;
1886 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1895 sub send_local_config
1903 dbg('DXProt::send_local_config') if isdbg('trace');
1906 if ($self->{isolate}) {
1907 @localnodes = ( $main::routeroot );
1908 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1910 # create a list of all the nodes that are not connected to this connection
1911 # and are not themselves isolated, this to make sure that isolated nodes
1912 # don't appear outside of this node
1914 # send locally connected nodes
1915 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1916 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1917 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1920 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1922 for $node (@rawintcalls) {
1923 push @intcalls, $node unless grep $node eq $_, @intcalls;
1925 my $ref = Route::Node::get($self->{call});
1926 my @rnodes = $ref->nodes;
1927 for $node (@intcalls) {
1928 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1930 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1933 # get all the users connected on the above nodes and send them out
1934 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1936 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1937 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1939 dbg("sent a null value") if isdbg('chanerr');
1945 # route a message down an appropriate interface for a callsign
1947 # is called route(to, pcline);
1952 my ($self, $call, $line) = @_;
1954 if (ref $self && $call eq $self->{call}) {
1955 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1959 # always send it down the local interface if available
1960 my $dxchan = DXChannel->get($call);
1962 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
1964 my $cl = Route::get($call);
1965 $dxchan = $cl->dxchan if $cl;
1967 if (ref $self && $dxchan eq $self) {
1968 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1971 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
1975 # try the backstop method
1977 my $rcall = RouteDB::get($call);
1979 if ($self && $rcall eq $self->{call}) {
1980 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1983 $dxchan = DXChannel->get($rcall);
1984 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
1989 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1991 $dxchan->send($routeit) unless $dxchan == $main::me;
1994 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1999 # obtain the hops from the list for this callsign and pc no
2005 my $hops = $DXProt::hopcount{$pcno};
2006 $hops = $DXProt::def_hopcount if !$hops;
2011 # adjust the hop count on a per node basis using the user loadable
2012 # hop table if available or else decrement an existing one
2019 my $call = $self->{call};
2022 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2023 my ($pcno) = $s =~ /^PC(\d\d)/o;
2024 confess "$call called adjust_hops with '$s'" unless $pcno;
2025 my $ref = $nodehops{$call} if %nodehops;
2027 my $newhops = $ref->{$pcno};
2028 return "" if defined $newhops && $newhops == 0;
2029 $newhops = $ref->{default} unless $newhops;
2030 return "" if defined $newhops && $newhops == 0;
2031 $newhops = $hops if !$newhops;
2032 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2034 # simply decrement it
2035 # $hops--; this is done on receipt now
2036 return "" if !$hops;
2037 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2049 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2050 do "$main::data/hop_table.pl";
2056 # add a ping request to the ping queues
2059 my ($from, $to, $via) = @_;
2060 my $ref = $pings{$to} || [];
2063 $r->{t} = [ gettimeofday ];
2064 if ($via && (my $dxchan = DXChannel->get($via))) {
2065 $dxchan->send(pc51($to, $main::mycall, 1));
2067 route(undef, $to, pc51($to, $main::mycall, 1));
2071 my $u = DXUser->get_current($to);
2073 $u->lastping(($via || $from), $main::systime);
2080 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2081 if ($tonode eq $main::mycall) {
2082 my $ref = DXUser->get_current($fromnode);
2083 my $cref = Route::Node::get($fromnode);
2084 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2085 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2086 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2087 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2088 my $oldpriv = $self->{priv};
2089 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2090 my @in = (DXCommandmode::run_cmd($self, $cmd));
2091 $self->{priv} = $oldpriv;
2092 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2093 delete $self->{remotecmd};
2095 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2098 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2101 my $ref = DXUser->get_current($tonode);
2102 if ($ref && $ref->is_clx) {
2103 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2105 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2110 sub process_rcmd_reply
2112 my ($self, $tonode, $fromnode, $user, $line) = @_;
2113 if ($tonode eq $main::mycall) {
2114 my $s = $rcmds{$fromnode};
2116 my $dxchan = DXChannel->get($s->{call});
2117 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2118 $ref->send($line) if $ref;
2119 delete $rcmds{$fromnode} if !$dxchan;
2121 # send unsolicited ones to the sysop
2122 my $dxchan = DXChannel->get($main::myalias);
2123 $dxchan->send($line) if $dxchan;
2126 my $ref = DXUser->get_current($tonode);
2127 if ($ref && $ref->is_clx) {
2128 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2130 $self->route($tonode, pc35($fromnode, $tonode, $line));
2139 my $fromnode = shift;
2144 Log('rcmd', 'out', $fromnode, $line);
2145 if ($self->is_clx) {
2146 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2148 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2153 # add a rcmd request to the rcmd queues
2156 my ($self, $to, $cmd) = @_;
2159 $r->{call} = $self->{call};
2160 $r->{t} = $main::systime;
2164 my $ref = Route::Node::get($to);
2165 my $dxchan = $ref->dxchan;
2166 if ($dxchan && $dxchan->is_clx) {
2167 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2169 route(undef, $to, pc34($main::mycall, $to, $cmd));
2176 my $pc39flag = shift;
2177 my $call = $self->call;
2179 return if $self->{disconnecting}++;
2181 unless ($pc39flag && $pc39flag == 1) {
2182 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2185 # get rid of any PC16/17/19
2186 eph_del_regex("^PC1[679]*$call");
2188 # do routing stuff, remove me from routing table
2189 my $node = Route::Node::get($call);
2192 @rout = $node->del($main::routeroot);
2194 # and all my ephemera as well
2197 eph_del_regex("^PC1[679].*$c");
2201 RouteDB::delete_interface($call);
2203 # remove them from the pc19list as well
2204 while (my ($k,$v) = each %pc19list) {
2205 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2207 $pc19list{$k} = \@l;
2209 delete $pc19list{$k};
2213 eph_del_regex("^PC1[679].*$k");
2216 # unbusy and stop and outgoing mail
2217 my $mref = DXMsg::get_busy($call);
2218 $mref->stop_msg($call) if $mref;
2220 # broadcast to all other nodes that all the nodes connected to via me are gone
2221 unless ($pc39flag && $pc39flag == 2) {
2222 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2225 # remove outstanding pings
2226 delete $pings{$call};
2228 # I was the last node visited
2229 $self->user->node($main::mycall);
2231 # send info to all logged in thingies
2232 $self->tell_login('logoutn');
2234 Log('DXProt', $call . " Disconnected");
2236 $self->SUPER::disconnect;
2241 # send a talk message to this thingy
2245 my ($self, $from, $to, $via, $line, $origin) = @_;
2247 $line =~ s/\^/\\5E/g; # remove any ^ characters
2248 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2249 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2252 # send it if it isn't the except list and isn't isolated and still has a hop count
2253 # taking into account filtering and so on
2259 my $generate = shift;
2260 my $no = shift; # the no of things to filter on
2262 my ($filter, $hops);
2265 for (; @_ && $no; $no--) {
2268 if (!$self->{isolate} && $self->{routefilter}) {
2271 ($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});
2275 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2278 dbg("was sent a null value") if isdbg('chanerr');
2281 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2285 foreach my $line (&$generate(@rin, @_)) {
2288 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2290 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2291 next unless $routeit;
2294 $self->send($routeit);
2303 my $generate = shift;
2305 my @dxchan = DXChannel::get_all_nodes();
2308 unless ($self->{isolate}) {
2309 foreach $dxchan (@dxchan) {
2310 next if $dxchan == $self;
2311 next if $dxchan == $main::me;
2312 next unless $dxchan->isa('DXProt');
2313 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2315 $dxchan->send_route($origin, $generate, @_);
2323 return unless $self->user->wantpc16;
2326 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2332 return unless $self->user->wantpc16;
2335 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2343 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2351 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2359 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2367 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2375 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2382 my ($filter, $hops) = (1, 1);
2384 if ($self->{inroutefilter}) {
2385 ($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);
2386 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2394 my $t = shift || $eph_restime;
2398 $s =~ s/\^H\d\d?\^?\~?$//;
2399 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2400 $eph{$s} = $main::systime + $t;
2401 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2409 while (($key, $val) = each %eph) {
2410 if ($key =~ m{$regex}) {
2420 while (($key, $val) = each %eph) {
2421 if ($main::systime >= $val) {
2432 while (($key, $val) = each %eph) {
2433 push @out, $key, $val;
2440 goto &DXCommandmode::run_cmd;
2444 # import any msgs in the chat directory
2445 # the messages are sent to the chat group which forms the
2446 # the first part of the name (eg: solar.1243.txt would be
2447 # sent to chat group SOLAR)
2449 # Each message found is sent: one non-blank line to one chat
2450 # message. So 4 lines = 4 chat messages.
2452 # The special name LOCAL is for local users ANN
2453 # The special name ALL is for ANN/FULL
2454 # The special name SYSOP is for ANN/SYSOP
2458 # are there any to do in this directory?
2459 return unless -d $chatimportfn;
2460 unless (opendir(DIR, $chatimportfn)) {
2461 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2462 Log('msg', "can\'t open $chatimportfn $!");
2466 my @names = readdir(DIR);
2469 foreach $name (@names) {
2470 next if $name =~ /^\./;
2471 my $splitit = $name =~ /^split/;
2472 my $fn = "$chatimportfn/$name";
2474 unless (open(MSG, $fn)) {
2475 dbg("can\'t open import file $fn $!") if isdbg('msg');
2476 Log('msg', "can\'t open import file $fn $!");
2480 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2484 my @cat = split /\./, $name;
2485 my $target = uc $cat[0];
2487 foreach my $text (@msg) {
2488 next unless $text && $text !~ /^\s*#/;
2489 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2490 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2491 if ($target ne 'LOCAL') {
2492 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2494 Log('ann', 'LOCAL', $main::mycall, $text);
2495 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2498 my $msgid = nextchatmsgid();
2499 $text = "#$msgid $text";
2500 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');