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);
43 use vars qw($VERSION $BRANCH);
44 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
45 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
46 $main::build += $VERSION;
47 $main::branch += $BRANCH;
49 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
50 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
51 $pingint $obscount %pc19list $chatdupeage $chatimportfn
52 $investigation_int $pc19_version $myprot_version
53 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
54 $allowzero $decode_dk0wcy $send_opernam @checklist);
56 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
57 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
59 $last_hour = time; # last time I did an hourly periodic update
60 %pings = (); # outstanding ping requests outbound
61 %rcmds = (); # outstanding rcmd requests outbound
62 %nodehops = (); # node specific hop control
63 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
65 $censorpc = 1; # Do a BadWords::check on text fields and reject things
66 # loads of 'bad things'
67 $baddx = new DXHash "baddx";
68 $badspotter = new DXHash "badspotter";
69 $badnode = new DXHash "badnode";
70 $last10 = $last_pc50 = time;
74 $eph_info_restime = 60*60;
75 $eph_pc34_restime = 30;
78 $chatdupeage = 20 * 60 * 60;
79 $chatimportfn = "$main::root/chat_import";
80 $investigation_int = 12*60*60; # time between checks to see if we can see this node
81 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
85 [ qw(i c c m bp bc c) ], # pc10
86 [ qw(i f m d t m c c h) ], # pc11
87 [ qw(i c bm m bm bm p h) ], # pc12
91 undef , # pc16 has to be validated manually
92 [ qw(i c c h) ], # pc17
94 undef , # pc19 has to be validated manually
95 undef , # pc20 no validation
96 [ qw(i c m h) ], # pc21
97 undef , # pc22 no validation
98 [ qw(i d n n n n m c c h) ], # pc23
99 [ qw(i c p h) ], # pc24
100 [ qw(i c c n n) ], # pc25
101 [ qw(i f m d t m c c bc) ], # pc26
102 [ qw(i d n n n n m c c bc) ], # pc27
103 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
104 [ qw(i c c n m) ], # pc29
105 [ qw(i c c n) ], # pc30
106 [ qw(i c c n) ], # pc31
107 [ qw(i c c n) ], # pc32
108 [ qw(i c c n) ], # pc33
109 [ qw(i c c m) ], # pc34
110 [ qw(i c c m) ], # pc35
111 [ qw(i c c m) ], # pc36
112 [ qw(i c c n m) ], # pc37
113 undef, # pc38 not interested
114 [ qw(i c m) ], # pc39
115 [ qw(i c c m p n) ], # pc40
116 [ qw(i c n m h) ], # pc41
117 [ qw(i c c n) ], # pc42
118 undef, # pc43 don't handle it
119 [ qw(i c c n m m c) ], # pc44
120 [ qw(i c c n m) ], # pc45
121 [ qw(i c c n) ], # pc46
124 [ qw(i c m h) ], # pc49
125 [ qw(i c n h) ], # pc50
126 [ qw(i c c n) ], # pc51
148 [ qw(i d n n n n n n m m m c c h) ], # pc73
159 [ qw(i c c c m) ], # pc84
160 [ qw(i c c c m) ], # pc85
165 [ qw(i c n) ], # pc90
168 # use the entry in the check list to check the field list presented
169 # return OK if line NOT in check list (for now)
174 return 0 if $n < 0 || $n > @checklist;
175 my $ref = $checklist[$n];
176 return 0 unless ref $ref;
179 for ($i = 1; $i < @$ref; $i++) {
180 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
181 return 0 unless $act;
182 next if $blank && $_[$i] =~ /^[ \*]$/;
184 return $i unless is_callsign($_[$i]);
185 } elsif ($act eq 'i') {
187 } elsif ($act eq 'm') {
188 return $i unless is_pctext($_[$i]);
189 } elsif ($act eq 'p') {
190 return $i unless is_pcflag($_[$i]);
191 } elsif ($act eq 'f') {
192 return $i unless is_freq($_[$i]);
193 } elsif ($act eq 'n') {
194 return $i unless $_[$i] =~ /^[\d ]+$/;
195 } elsif ($act eq 'h') {
196 return $i unless $_[$i] =~ /^H\d\d?$/;
197 } elsif ($act eq 'd') {
198 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
199 } elsif ($act eq 't') {
200 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
208 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
211 my $user = DXUser->get($main::mycall);
212 die "User $main::mycall not setup or disappeared RTFM" unless $user;
214 $myprot_version += $main::version*100;
215 $main::me = DXProt->new($main::mycall, 0, $user);
216 $main::me->{here} = 1;
217 $main::me->{state} = "indifferent";
218 $main::me->{sort} = 'S'; # S for spider
219 $main::me->{priv} = 9;
220 $main::me->{metric} = 0;
221 $main::me->{pingave} = 0;
222 $main::me->{registered} = 1;
223 $main::me->{version} = 5251 + $main::version;
224 $main::me->{build} = $main::build;
228 # obtain a new connection this is derived from dxchannel
233 my $self = DXChannel::alloc(@_);
235 # add this node to the table, the values get filled in later
238 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
243 # this is how a pc connection starts (for an incoming connection)
244 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
245 # all the crap that comes between).
248 my ($self, $line, $sort) = @_;
249 my $call = $self->{call};
250 my $user = $self->{user};
253 my $host = $self->{conn}->{peerhost} || "unknown";
254 Log('DXProt', "$call connected from $host");
256 # remember type of connection
257 $self->{consort} = $line;
258 $self->{outbound} = $sort eq 'O';
259 my $priv = $user->priv;
260 $priv = $user->priv(1) unless $priv;
261 $self->{priv} = $priv; # other clusters can always be 'normal' users
262 $self->{lang} = $user->lang || 'en';
263 $self->{isolate} = $user->{isolate};
264 $self->{consort} = $line; # save the connection type
268 # sort out registration
269 $self->{registered} = 1;
271 # get the output filters
272 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
273 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
274 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
275 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
276 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
279 # get the INPUT filters (these only pertain to Clusters)
280 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
281 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
282 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
283 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
284 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
286 # set unbuffered and no echo
287 $self->send_now('B',"0");
288 $self->send_now('E',"0");
289 $self->conn->echo(0) if $self->conn->can('echo');
291 # ping neighbour node stuff
292 my $ping = $user->pingint;
293 $ping = $pingint unless defined $ping;
294 $self->{pingint} = $ping;
295 $self->{nopings} = $user->nopings || $obscount;
296 $self->{pingtime} = [ ];
297 $self->{pingave} = 999;
298 $self->{metric} ||= 100;
299 $self->{lastping} = $main::systime;
301 # send initialisation string
302 unless ($self->{outbound}) {
306 $self->state('init');
307 $self->{pc50_t} = $main::systime;
309 # send info to all logged in thingies
310 $self->tell_login('loginn');
312 # run a script send the output to the debug file
313 my $script = new Script(lc $call) || new Script('node_default');
314 $script->run($self) if $script;
318 # send outgoing 'challenge'
329 # This is the normal pcxx despatcher
333 my ($self, $line) = @_;
335 my @field = split /\^/, $line;
336 return unless @field;
338 pop @field if $field[-1] eq '~';
340 # print join(',', @field), "\n";
342 # process PC frames, this will fail unless the frame starts PCnn
343 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
344 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
345 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
349 # check for and dump bad protocol messages
350 my $n = check($pcno, @field);
352 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
356 # decrement any hop fields at this point
357 if ($line =~ /\^H(\d\d?)\^?~?$/) {
360 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
363 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
366 my $origin = $self->{call};
368 my $sub = "handle_$pcno";
370 if ($self->can($sub)) {
371 $self->$sub($pcno, $line, $origin, @field);
373 $self->handle_default($pcno, $line, $origin, @field);
377 # incoming talk commands
386 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
388 # will we allow it at all?
391 if (@bad = BadWords::check($_[3])) {
392 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
397 # is it for me or one of mine?
398 my ($from, $to, $via, $call, $dxchan);
407 # if this is a 'nodx' node then ignore it
408 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
409 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
413 # if this is a 'bad spotter' user then ignore it
415 $nossid =~ s/-\d+$//;
416 if ($badspotter->in($nossid)) {
417 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
421 # if we are converting announces to talk is it a dup?
423 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
424 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
429 # remember a route to this node and also the node on which this user is
430 RouteDB::update($_[6], $origin);
431 # RouteDB::update($to, $_[6]);
433 # it is here and logged on
434 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
435 $dxchan = DXChannel->get($to) unless $dxchan;
436 if ($dxchan && $dxchan->is_user) {
438 $dxchan->talk($from, $to, $via, $_[3]);
442 # is it elsewhere, visible on the cluster via the to address?
443 # note: this discards the via unless the to address is on
446 if ($ref = Route::get($to)) {
447 $vref = Route::Node::get($via) if $via;
448 $vref = undef unless $vref && grep $to eq $_, $vref->users;
449 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
453 # can we see an interface to send it down?
455 # not visible here, send a message of condolence
457 $ref = Route::get($from);
458 $vref = $ref = Route::Node::get($_[6]) unless $ref;
460 $dxchan = $ref->dxchan;
461 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
473 # route 'foreign' pc26s
475 if ($_[7] ne $main::mycall) {
476 $self->route($_[7], $line);
482 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
484 # if this is a 'nodx' node then ignore it
485 if ($badnode->in($_[7])) {
486 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
490 # if this is a 'bad spotter' user then ignore it
492 $nossid =~ s/-\d+$//;
493 if ($badspotter->in($nossid)) {
494 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
498 # convert the date to a unix date
499 my $d = cltounix($_[3], $_[4]);
500 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
501 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
502 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
507 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
508 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
513 $_[5] =~ s/^\s+//; # take any leading blanks off
514 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
515 if ($_[2] =~ /BUST\w*$/) {
516 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
521 if (@bad = BadWords::check($_[5])) {
522 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
528 # RouteDB::update($_[7], $self->{call});
529 # RouteDB::update($_[6], $_[7]);
531 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
533 my $thing = Thingy::Dx->new(origin=>$main::mycall, group=>'DX');
534 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
535 $thing->queue($self);
537 # this goes after the input filtering, but before the add
538 # so that if it is input filtered, it isn't added to the dup
539 # list. This allows it to come in from a "legitimate" source
541 # @spot at this point contains:-
542 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
543 # then spotted itu, spotted cq, spotters itu, spotters cq
544 # you should be able to route on any of these
547 # fix up qra locators of known users
548 my $user = DXUser->get_current($spot[4]);
550 my $qra = $user->qra;
551 unless ($qra && is_qra($qra)) {
552 my $lat = $user->lat;
553 my $long = $user->long;
554 if (defined $lat && defined $long) {
555 $user->qra(DXBearing::lltoqra($lat, $long));
560 # send a remote command to a distant cluster if it is visible and there is no
561 # qra locator and we havn't done it for a month.
563 unless ($user->qra) {
565 my $to = $user->homenode;
566 my $last = $user->lastoper || 0;
567 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
568 my $cmd = "forward/opernam $spot[4]";
569 # send the rcmd but we aren't interested in the replies...
570 my $dxchan = $node->dxchan;
571 if ($dxchan && $dxchan->is_clx) {
572 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
574 route(undef, $to, pc34($main::mycall, $to, $cmd));
578 $node = Route::Node::get($to);
580 $dxchan = $node->dxchan;
581 if ($dxchan && $dxchan->is_clx) {
582 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
584 route(undef, $to, pc34($main::mycall, $to, $cmd));
588 $user->lastoper($main::systime);
597 $r = Local::spot($self, @spot);
599 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
602 # DON'T be silly and send on PC26s!
603 return if $pcno == 26;
605 # send out the filtered spots
606 # send_dx_spot($self, $line, @spot) if @spot;
617 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
619 # announce duplicate checking
620 $_[3] =~ s/^\s+//; # remove leading blanks
624 if (@bad = BadWords::check($_[3])) {
625 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
630 # if this is a 'nodx' node then ignore it
631 if ($badnode->in($_[5])) {
632 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
636 # if this is a 'bad spotter' user then ignore it
638 $nossid =~ s/-\d+$//;
639 if ($badspotter->in($nossid)) {
640 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
647 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
648 $self->send_chat($line, @_[1..6]);
649 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
652 # RouteDB::update($_[5], $self->{call});
653 # RouteDB::update($_[1], $_[5]);
655 # ignore something that looks like a chat line coming in with sysop
656 # flag - this is a kludge...
657 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
658 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
662 # here's a bit of fun, convert incoming ann with a callsign in the first word
663 # or one saying 'to <call>' to a talk if we can route to the recipient
665 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
667 my $ref = Route::get($call);
669 $dxchan = $ref->dxchan;
670 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
677 $self->send_announce($line, @_[1..6]);
679 $self->route($_[2], $line);
694 my $newline = "PC16^";
696 # dos I want users from this channel?
697 unless ($self->user->wantpc16) {
698 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
702 if ($ncall eq $main::mycall) {
703 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
707 RouteDB::update($ncall, $origin);
709 # do we believe this call?
710 unless ($ncall eq $origin || $self->is_believed($ncall)) {
711 if (my $ivp = Investigate::get($ncall, $origin)) {
712 $ivp->store_pcxx($pcno,$line,$origin,@_);
714 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
719 if (eph_dup($line)) {
720 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
724 my $parent = Route::Node::get($ncall);
726 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
727 # fix it up in the routing tables and issue it forth before the PC16
729 my $nl = $pc19list{$ncall};
731 if ($nl && @_ > 3) { # 3 because of the hop count!
733 # this is a new (remembered) node, now attach it to me if it isn't in filtered
734 # and we haven't disallowed it
735 my $user = DXUser->get_current($ncall);
737 $user = DXUser->new($ncall);
739 $user->priv(1); # I have relented and defaulted nodes
741 $user->homenode($ncall);
745 my $wantpc19 = $user->wantroutepc19;
746 if ($wantpc19 || !defined $wantpc19) {
747 my $new = Route->new($ncall); # throw away
748 if ($self->in_filter_route($new)) {
751 $parent = Route::Node::get($_->[0]);
752 $dxchan = $parent->dxchan if $parent;
753 if ($dxchan && $dxchan ne $self) {
754 dbg("PCPROT: PC19 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
758 my $r = $parent->add($ncall, $_->[1], $_->[2]);
759 push @nrout, $r unless @nrout;
762 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
763 $user->lastin($main::systime) unless DXChannel->get($ncall);
766 # route the pc19 - this will cause 'stuttering PC19s' for a while
767 $self->route_pc19($origin, $line, @nrout) if @nrout ;
768 $parent = Route::Node::get($ncall);
770 dbg("PCPROT: lost $ncall after sending PC19 for it?");
776 delete $pc19list{$ncall};
779 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
784 $dxchan = $parent->dxchan;
785 if ($dxchan && $dxchan ne $self) {
786 dbg("PCPROT: PC16 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
790 # input filter if required
791 return unless $self->in_filter_route($parent);
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);
814 my $flags = Route::here($here)|Route::conf($conf);
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 $origin") if isdbg('chanerr');
858 if ($ncall eq $main::mycall) {
859 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
863 RouteDB::delete($ncall, $origin);
865 # do we believe this call?
866 unless ($ncall eq $origin || $self->is_believed($ncall)) {
867 if (my $ivp = Investigate::get($ncall, $origin)) {
868 $ivp->store_pcxx($pcno,$line,$origin,@_);
870 dbg("PCPROT: We don't believe $ncall on $origin") 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 $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
890 # input filter if required and then remove user if present
892 # return unless $self->in_filter_route($parent);
893 $parent->del_user($uref) if $uref;
895 $parent = Route->new($ncall); # throw away
898 if (eph_dup($line)) {
899 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
903 $uref = Route->new($ucall) unless $uref; # throw away
904 $self->route_pc17($origin, $line, $parent, $uref);
914 $self->state('init');
916 # record the type and version offered
917 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
918 $self->version(52.51 + $1);
919 $self->user->version(52.51 + $1);
920 $self->build(0 + $2);
921 $self->user->build(0 + $2);
922 unless ($self->is_spider) {
923 $self->user->sort('S');
928 $self->version(50.0);
929 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
930 $self->user->version($self->version);
933 # first clear out any nodes on this dxchannel
934 my $parent = Route::Node::get($origin);
935 my @rout = $parent->del_nodes;
936 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
937 $self->send_local_config();
941 # incoming cluster list
950 my $newline = "PC19^";
955 # first get the INTERFACE node
956 my $parent = Route::Node::get($origin);
958 dbg("DXPROT: my parent $origin has disappeared");
963 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
964 if ($origin ne $self->call) {
965 my $op = Route::Node::get($origin);
967 $op = $parent->add($origin, 5000, Route::here(1));
968 my $user = DXUser->get_current($origin);
970 $user = DXUser->new($origin);
971 $user->priv(1); # I have relented and defaulted nodes
973 $user->homenode($origin);
974 $user->node($origin);
975 $user->wantroutepc19(1);
977 $user->sort('A') unless $user->is_node;
984 for ($i = 1; $i < $#_-1; $i += 4) {
986 my $call = uc $_[$i+1];
989 next unless defined $here && defined $conf && is_callsign($call);
991 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
993 # check for sane parameters
994 # $ver = 5000 if $ver eq '0000';
995 next if $ver < 5000; # only works with version 5 software
996 next if length $call < 3; # min 3 letter callsigns
997 next if $call eq $main::mycall;
999 # check that this PC19 isn't trying to alter the wrong dxchan
1000 my $dxchan = DXChannel->get($call);
1001 if ($dxchan && $dxchan != $self) {
1002 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
1006 # add this station to the user database, if required (don't remove SSID from nodes)
1007 my $user = DXUser->get_current($call);
1009 $user = DXUser->new($call);
1010 $user->priv(1); # I have relented and defaulted nodes
1012 $user->homenode($call);
1015 $user->sort('A') unless $user->is_node;
1017 RouteDB::update($call, $origin);
1019 # do we believe this call?
1020 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
1021 unless ($call eq $origin || $self->is_believed($call)) {
1022 my $pt = $user->lastping($origin) || 0;
1023 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $origin)) {
1024 my $ivp = Investigate->new($call, $origin);
1025 $ivp->version($ver);
1027 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
1029 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1035 if (eph_dup($genline)) {
1036 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
1040 my $r = Route::Node::get($call);
1041 my $flags = Route::here($here)|Route::conf($conf);
1043 # modify the routing table if it is in it, otherwise store it in the pc19list for now
1046 if ($call ne $parent->call) {
1047 if ($self->in_filter_route($r)) {
1048 $ar = $parent->add($call, $ver, $flags);
1049 push @rout, $ar if $ar;
1054 if ($r->version ne $ver || $r->flags != $flags) {
1057 push @rout, $r unless $ar;
1061 # if he is directly connected or allowed then add him, otherwise store him up for later
1062 if ($call eq $origin || $user->wantroutepc19) {
1063 my $new = Route->new($call); # throw away
1064 if ($self->in_filter_route($new)) {
1065 my $ar = $parent->add($call, $ver, $flags);
1066 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1067 push @rout, $ar if $ar;
1072 $pc19list{$call} = [] unless exists $pc19list{$call};
1073 my $nl = $pc19list{$call};
1074 push @{$pc19list{$call}}, [$origin, $ver, $flags] unless grep $_->[0] eq $origin, @$nl;
1078 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1079 my $mref = DXMsg::get_busy($call);
1080 $mref->stop_msg($call) if $mref;
1082 $user->lastin($main::systime) unless DXChannel->get($call);
1087 $self->route_pc19($origin, $line, @rout) if @rout;
1090 # send local configuration
1097 $self->send_local_config();
1098 $self->send(pc22());
1099 $self->state('normal');
1100 $self->{lastping} = 0;
1103 # delete a cluster from the list
1110 my $call = uc $_[1];
1112 eph_del_regex("^PC1[679].*$call");
1114 # if I get a PC21 from the same callsign as self then treat it
1115 # as a PC39: I have gone away
1116 if ($call eq $self->call) {
1117 $self->disconnect(1);
1121 RouteDB::delete($call, $origin);
1123 # check if we believe this
1124 unless ($call eq $origin || $self->is_believed($call)) {
1125 if (my $ivp = Investigate::get($call, $origin)) {
1126 $ivp->store_pcxx($pcno,$line,$origin,@_);
1128 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1133 # check to see if we are in the pc19list, if we are then don't bother with any of
1134 # this routing table manipulation, just remove it from the list and dump it
1136 if (my $nl = $pc19list{$call}) {
1137 $pc19list{$call} = [ grep {$_->[0] ne $origin} @$nl ];
1138 delete $pc19list{$call} unless @{$pc19list{$call}};
1141 my $parent = Route::Node::get($origin);
1143 dbg("DXPROT: my parent $origin has disappeared");
1147 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1148 my $node = Route::Node::get($call);
1151 my $dxchan = DXChannel->get($call);
1152 if ($dxchan && $dxchan != $self) {
1153 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1158 return unless $self->in_filter_route($node);
1161 push @rout, $node->del($parent);
1164 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1169 $self->route_pc21($origin, $line, @rout) if @rout;
1179 $self->state('normal');
1180 $self->{lastping} = 0;
1191 # route foreign' pc27s
1193 if ($_[8] ne $main::mycall) {
1194 $self->route($_[8], $line);
1199 # only do a rspf check on PC23 (not 27)
1201 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1205 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1206 my $sfi = unpad($_[3]);
1207 my $k = unpad($_[4]);
1208 my $i = unpad($_[5]);
1209 my ($r) = $_[6] =~ /R=(\d+)/;
1211 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1212 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1215 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1216 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1219 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1221 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1225 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1227 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1230 # DON'T be silly and send on PC27s!
1231 return if $pcno == 27;
1233 # broadcast to the eager world
1234 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1244 my $call = uc $_[1];
1246 $nref = Route::Node::get($call);
1247 $uref = Route::User::get($call);
1248 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1250 if (eph_dup($line)) {
1251 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1255 $nref->here($_[2]) if $nref;
1256 $uref->here($_[2]) if $uref;
1257 my $ref = $nref || $uref;
1258 return unless $self->in_filter_route($ref);
1260 $self->route_pc24($origin, $line, $ref, $_[3]);
1270 if ($_[1] ne $main::mycall) {
1271 $self->route($_[1], $line);
1274 if ($_[2] eq $main::mycall) {
1275 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1279 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1283 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1286 $self->send(pc26(@{$in}[0..4], $_[2]));
1292 my @in = reverse Geomag::search(0, $_[4], time, 1);
1295 $self->send(pc27(@{$in}[0..5], $_[2]));
1300 sub handle_26 {goto &handle_11}
1301 sub handle_27 {goto &handle_23}
1303 # mail/file handling
1310 if ($_[1] eq $main::mycall) {
1312 my $sub = "DXMsg::handle_$pcno";
1315 $self->route($_[1], $line) unless $self->is_clx;
1319 sub handle_29 {goto &handle_28}
1320 sub handle_30 {goto &handle_28}
1321 sub handle_31 {goto &handle_28}
1322 sub handle_32 {goto &handle_28}
1323 sub handle_33 {goto &handle_28}
1331 if (eph_dup($line, $eph_pc34_restime)) {
1332 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1334 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1338 # remote command replies
1345 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1346 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1349 sub handle_36 {goto &handle_34}
1358 if ($_[1] eq $main::mycall) {
1360 my $sub = "DXDb::handle_$pcno";
1363 $self->route($_[1], $line) unless $self->is_clx;
1367 # node connected list from neighbour
1376 # incoming disconnect
1383 if ($_[1] eq $origin) {
1384 $self->disconnect(1);
1386 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1390 sub handle_40 {goto &handle_28}
1402 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1403 if (eph_dup($l, $eph_info_restime)) {
1404 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1408 # input filter if required
1409 # my $ref = Route::get($call) || Route->new($call);
1410 # return unless $self->in_filter_route($ref);
1412 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1413 dbg('PCPROT: invalid value') if isdbg('chanerr');
1417 # add this station to the user database, if required
1418 my $user = DXUser->get_current($call);
1419 $user = DXUser->new($call) unless $user;
1423 } elsif ($_[2] == 2) {
1425 } elsif ($_[2] == 3) {
1426 if (is_latlong($_[3])) {
1427 my ($lat, $long) = DXBearing::stoll($_[3]);
1430 $user->qra(DXBearing::lltoqra($lat, $long));
1432 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1435 } elsif ($_[2] == 4) {
1436 $user->homenode($_[3]);
1437 } elsif ($_[2] == 5) {
1438 if (is_qra(uc $_[3])) {
1439 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1442 $user->qra(uc $_[3]);
1444 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1448 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1451 unless ($self->{isolate}) {
1452 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1455 # perhaps this IS what we want after all
1456 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1459 sub handle_42 {goto &handle_28}
1463 sub handle_44 {goto &handle_37}
1464 sub handle_45 {goto &handle_37}
1465 sub handle_46 {goto &handle_37}
1466 sub handle_47 {goto &handle_37}
1467 sub handle_48 {goto &handle_37}
1469 # message and database
1477 if (eph_dup($line)) {
1478 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1482 if ($_[1] eq $main::mycall) {
1483 DXMsg::handle_49($self, @_);
1485 $self->route($_[1], $line) unless $self->is_clx;
1489 # keep alive/user list
1499 RouteDB::update($call, $origin);
1501 my $node = Route::Node::get($call);
1503 return unless $node->call eq $origin;
1504 $node->usercount($_[2]);
1506 # input filter if required
1507 return unless $self->in_filter_route($node);
1509 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1513 # incoming ping requests/answers
1526 if ($to eq $main::mycall) {
1528 $self->send(pc51($from, $to, '0'));
1530 # it's a reply, look in the ping list for this one
1531 my $ref = $pings{$from};
1533 my $tochan = DXChannel->get($from);
1535 my $r = shift @$ref;
1536 my $dxchan = DXChannel->get($r->{call});
1537 next unless $dxchan;
1538 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1539 if ($dxchan->is_user) {
1540 my $s = sprintf "%.2f", $t;
1541 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1542 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1543 } elsif ($dxchan->is_node) {
1545 my $nopings = $tochan->user->nopings || $obscount;
1546 push @{$tochan->{pingtime}}, $t;
1547 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1549 # cope with a missed ping, this means you must set the pingint large enough
1550 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1551 $t -= $tochan->{pingint};
1554 # calc smoothed RTT a la TCP
1555 if (@{$tochan->{pingtime}} == 1) {
1556 $tochan->{pingave} = $t;
1558 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1560 $tochan->{nopings} = $nopings; # pump up the timer
1561 if (my $ivp = Investigate::get($from, $origin)) {
1564 } elsif (my $rref = Route::Node::get($r->{call})) {
1565 if (my $ivp = Investigate::get($from, $origin)) {
1575 RouteDB::update($from, $origin);
1577 if (eph_dup($line)) {
1578 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1581 # route down an appropriate thingy
1582 $self->route($to, $line);
1586 # dunno but route it
1594 if ($call ne $main::mycall) {
1595 $self->route($call, $line);
1609 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1610 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1611 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1614 @_ = map { unpad($_) } @_;
1616 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1620 my $wcy = WCY::update($d, @_[2..12]);
1624 $rep = Local::wcy($self, @_[1..12]);
1626 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1629 # broadcast to the eager world
1630 send_wcy_spot($self, $line, $d, @_[2..12]);
1633 # remote commands (incoming)
1640 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1643 # remote command replies
1650 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1653 # if get here then rebroadcast the thing with its Hop count decremented (if
1654 # there is one). If it has a hop count and it decrements to zero then don't
1657 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1668 if (eph_dup($line)) {
1669 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1671 unless ($self->{isolate}) {
1672 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1678 # This is called from inside the main cluster processing loop and is used
1679 # for despatching commands that are doing some long processing job
1684 my @dxchan = DXChannel->get_all();
1688 # send out a pc50 on EVERY channel all at once
1689 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1690 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1695 foreach $dxchan (@dxchan) {
1696 next unless $dxchan->is_node();
1697 next if $dxchan == $main::me;
1700 $dxchan->send($pc50s) if $pc50s;
1702 # send a ping out on this channel
1703 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1704 if ($dxchan->{nopings} <= 0) {
1705 $dxchan->disconnect;
1707 addping($main::mycall, $dxchan->call);
1708 $dxchan->{nopings} -= 1;
1709 $dxchan->{lastping} = $t;
1714 Investigate::process();
1717 if ($t - $last10 >= 10) {
1718 # clean out ephemera
1727 if ($main::systime - 3600 > $last_hour) {
1728 $last_hour = $main::systime;
1733 # finish up a pc context
1737 # some active measures
1745 my @dxchan = DXChannel->get_all();
1748 # send it if it isn't the except list and isn't isolated and still has a hop count
1749 # taking into account filtering and so on
1750 foreach $dxchan (@dxchan) {
1751 next if $dxchan == $main::me;
1752 next if $dxchan == $self && $self->is_node;
1753 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1761 my $isolate = shift;
1762 my ($filter, $hops);
1764 if ($self->{spotsfilter}) {
1765 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1766 return unless $filter;
1768 send_prot_line($self, $filter, $hops, $isolate, $line);
1773 my ($self, $filter, $hops, $isolate, $line) = @_;
1779 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1781 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1782 return unless $routeit;
1785 $self->send($routeit);
1787 $self->send($routeit) unless $self->{isolate} || $isolate;
1796 my @dxchan = DXChannel->get_all();
1798 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1800 # send it if it isn't the except list and isn't isolated and still has a hop count
1801 # taking into account filtering and so on
1802 foreach $dxchan (@dxchan) {
1803 next if $dxchan == $main::me;
1804 next if $dxchan == $self && $self->is_node;
1806 my ($filter, $hops);
1808 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1816 my $isolate = shift;
1817 my ($filter, $hops);
1819 if ($self->{wwvfilter}) {
1820 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1821 return unless $filter;
1823 send_prot_line($self, $filter, $hops, $isolate, $line)
1830 my @dxchan = DXChannel->get_all();
1832 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1834 # send it if it isn't the except list and isn't isolated and still has a hop count
1835 # taking into account filtering and so on
1836 foreach $dxchan (@dxchan) {
1837 next if $dxchan == $main::me;
1838 next if $dxchan == $self;
1840 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1848 my $isolate = shift;
1849 my ($filter, $hops);
1851 if ($self->{wcyfilter}) {
1852 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1853 return unless $filter;
1855 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1863 my @dxchan = DXChannel->get_all();
1867 my $text = unpad($_[2]);
1869 if ($_[3] eq '*') { # sysops
1871 } elsif ($_[3] gt ' ') { # speciality list handling
1872 my ($name) = split /\./, $_[3];
1873 $target = "$name"; # put the rest in later (if bothered)
1880 $target = "ALL" if !$target;
1883 # obtain country codes etc
1884 my @a = Prefix::cty_data($_[0]);
1885 my @b = Prefix::cty_data($_[4]);
1886 if ($self->{inannfilter}) {
1887 my ($filter, $hops) =
1888 $self->{inannfilter}->it(@_, $self->{call},
1890 @b[0..2], $a[3], $b[3]);
1892 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1897 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1898 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1902 Log('ann', $target, $_[0], $text);
1904 # send it if it isn't the except list and isn't isolated and still has a hop count
1905 # taking into account filtering and so on
1906 foreach $dxchan (@dxchan) {
1907 next if $dxchan == $main::me;
1908 next if $dxchan == $self && $self->is_node;
1909 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1910 @a[0..2], @b[0..2]);
1919 $msgid = 1 if $msgid > 999;
1928 my @dxchan = DXChannel->get_all();
1931 my $text = unpad($_[2]);
1934 # munge the group and recast the line if required
1935 if ($target =~ s/\.LST$//) {
1939 # obtain country codes etc
1940 my @a = Prefix::cty_data($_[0]);
1941 my @b = Prefix::cty_data($_[4]);
1942 if ($self->{inannfilter}) {
1943 my ($filter, $hops) =
1944 $self->{inannfilter}->it(@_, $self->{call},
1946 @b[0..2], $a[3], $b[3]);
1948 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1953 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1954 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1959 Log('chat', $target, $_[0], $text);
1961 # send it if it isn't the except list and isn't isolated and still has a hop count
1962 # taking into account filtering and so on
1963 foreach $dxchan (@dxchan) {
1964 my $is_ak1a = $dxchan->is_ak1a;
1966 if ($dxchan->is_node) {
1967 next if $dxchan == $main::me;
1968 next if $dxchan == $self;
1969 next unless $dxchan->is_spider || $is_ak1a;
1970 next if $target eq 'LOCAL';
1971 if (!$ak1a_line && $is_ak1a) {
1972 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1976 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1977 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1985 my $isolate = shift;
1989 my ($filter, $hops);
1991 if ($self->{annfilter}) {
1992 ($filter, $hops) = $self->{annfilter}->it(@_);
1993 return unless $filter;
1995 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
2004 sub send_local_config
2012 dbg('DXProt::send_local_config') if isdbg('trace');
2015 if ($self->{isolate}) {
2016 @localnodes = ( $main::routeroot );
2017 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
2019 # create a list of all the nodes that are not connected to this connection
2020 # and are not themselves isolated, this to make sure that isolated nodes
2021 # don't appear outside of this node
2023 # send locally connected nodes
2024 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
2025 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
2026 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
2029 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2031 for $node (@rawintcalls) {
2032 push @intcalls, $node unless grep $node eq $_, @intcalls;
2034 my $ref = Route::Node::get($self->{call});
2035 my @rnodes = $ref->nodes;
2036 for $node (@intcalls) {
2037 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2039 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2042 # get all the users connected on the above nodes and send them out
2043 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2045 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2046 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2048 dbg("sent a null value") if isdbg('chanerr');
2054 # route a message down an appropriate interface for a callsign
2056 # is called route(to, pcline);
2061 my ($self, $call, $line) = @_;
2063 if (ref $self && $call eq $self->{call}) {
2064 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2068 # always send it down the local interface if available
2069 my $dxchan = DXChannel->get($call);
2071 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
2073 my $cl = Route::get($call);
2074 $dxchan = $cl->dxchan if $cl;
2076 if (ref $self && $dxchan eq $self) {
2077 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2080 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
2084 # try the backstop method
2086 my $rcall = RouteDB::get($call);
2088 if ($self && $rcall eq $self->{call}) {
2089 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2092 $dxchan = DXChannel->get($rcall);
2093 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
2098 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2100 $dxchan->send($routeit) unless $dxchan == $main::me;
2103 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2108 # obtain the hops from the list for this callsign and pc no
2114 my $hops = $DXProt::hopcount{$pcno};
2115 $hops = $DXProt::def_hopcount if !$hops;
2120 # adjust the hop count on a per node basis using the user loadable
2121 # hop table if available or else decrement an existing one
2128 my $call = $self->{call};
2131 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2132 my ($pcno) = $s =~ /^PC(\d\d)/o;
2133 confess "$call called adjust_hops with '$s'" unless $pcno;
2134 my $ref = $nodehops{$call} if %nodehops;
2136 my $newhops = $ref->{$pcno};
2137 return "" if defined $newhops && $newhops == 0;
2138 $newhops = $ref->{default} unless $newhops;
2139 return "" if defined $newhops && $newhops == 0;
2140 $newhops = $hops if !$newhops;
2141 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2143 # simply decrement it
2144 # $hops--; this is done on receipt now
2145 return "" if !$hops;
2146 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2158 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2159 do "$main::data/hop_table.pl";
2165 # add a ping request to the ping queues
2168 my ($from, $to, $via) = @_;
2169 my $ref = $pings{$to} || [];
2172 $r->{t} = [ gettimeofday ];
2173 if ($via && (my $dxchan = DXChannel->get($via))) {
2174 $dxchan->send(pc51($to, $main::mycall, 1));
2176 route(undef, $to, pc51($to, $main::mycall, 1));
2180 my $u = DXUser->get_current($to);
2182 $u->lastping(($via || $from), $main::systime);
2189 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2190 if ($tonode eq $main::mycall) {
2191 my $ref = DXUser->get_current($fromnode);
2192 my $cref = Route::Node::get($fromnode);
2193 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2194 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2195 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2196 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2197 my $oldpriv = $self->{priv};
2198 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2199 my @in = (DXCommandmode::run_cmd($self, $cmd));
2200 $self->{priv} = $oldpriv;
2201 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2202 delete $self->{remotecmd};
2204 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2207 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2210 my $ref = DXUser->get_current($tonode);
2211 if ($ref && $ref->is_clx) {
2212 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2214 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2219 sub process_rcmd_reply
2221 my ($self, $tonode, $fromnode, $user, $line) = @_;
2222 if ($tonode eq $main::mycall) {
2223 my $s = $rcmds{$fromnode};
2225 my $dxchan = DXChannel->get($s->{call});
2226 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2227 $ref->send($line) if $ref;
2228 delete $rcmds{$fromnode} if !$dxchan;
2230 # send unsolicited ones to the sysop
2231 my $dxchan = DXChannel->get($main::myalias);
2232 $dxchan->send($line) if $dxchan;
2235 my $ref = DXUser->get_current($tonode);
2236 if ($ref && $ref->is_clx) {
2237 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2239 $self->route($tonode, pc35($fromnode, $tonode, $line));
2248 my $fromnode = shift;
2253 Log('rcmd', 'out', $fromnode, $line);
2254 if ($self->is_clx) {
2255 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2257 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2262 # add a rcmd request to the rcmd queues
2265 my ($self, $to, $cmd) = @_;
2268 $r->{call} = $self->{call};
2269 $r->{t} = $main::systime;
2273 my $ref = Route::Node::get($to);
2274 my $dxchan = $ref->dxchan;
2275 if ($dxchan && $dxchan->is_clx) {
2276 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2278 route(undef, $to, pc34($main::mycall, $to, $cmd));
2285 my $pc39flag = shift;
2286 my $call = $self->call;
2288 return if $self->{disconnecting}++;
2290 unless ($pc39flag && $pc39flag == 1) {
2291 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2294 # get rid of any PC16/17/19
2295 eph_del_regex("^PC1[679]*$call");
2297 # do routing stuff, remove me from routing table
2298 my $node = Route::Node::get($call);
2301 @rout = $node->del($main::routeroot);
2303 # and all my ephemera as well
2306 eph_del_regex("^PC1[679].*$c");
2310 RouteDB::delete_interface($call);
2312 # remove them from the pc19list as well
2313 while (my ($k,$v) = each %pc19list) {
2314 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2316 $pc19list{$k} = \@l;
2318 delete $pc19list{$k};
2322 eph_del_regex("^PC1[679].*$k");
2325 # unbusy and stop and outgoing mail
2326 my $mref = DXMsg::get_busy($call);
2327 $mref->stop_msg($call) if $mref;
2329 # broadcast to all other nodes that all the nodes connected to via me are gone
2330 unless ($pc39flag && $pc39flag == 2) {
2331 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2334 # remove outstanding pings
2335 delete $pings{$call};
2337 # I was the last node visited
2338 $self->user->node($main::mycall);
2340 # send info to all logged in thingies
2341 $self->tell_login('logoutn');
2343 Log('DXProt', $call . " Disconnected");
2345 $self->SUPER::disconnect;
2350 # send a talk message to this thingy
2354 my ($self, $from, $to, $via, $line, $origin) = @_;
2356 $line =~ s/\^/\\5E/g; # remove any ^ characters
2357 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2358 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2361 # send it if it isn't the except list and isn't isolated and still has a hop count
2362 # taking into account filtering and so on
2368 my $generate = shift;
2369 my $no = shift; # the no of things to filter on
2371 my ($filter, $hops);
2374 for (; @_ && $no; $no--) {
2377 if (!$self->{isolate} && $self->{routefilter}) {
2380 ($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});
2384 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2387 dbg("was sent a null value") if isdbg('chanerr');
2390 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2394 foreach my $line (&$generate(@rin, @_)) {
2397 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2399 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2400 next unless $routeit;
2403 $self->send($routeit);
2412 my $generate = shift;
2414 my @dxchan = DXChannel::get_all_nodes();
2417 unless ($self->{isolate}) {
2418 foreach $dxchan (@dxchan) {
2419 next if $dxchan == $self;
2420 next if $dxchan == $main::me;
2421 next unless $dxchan->isa('DXProt');
2422 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2424 $dxchan->send_route($origin, $generate, @_);
2432 return unless $self->user->wantpc16;
2435 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2441 return unless $self->user->wantpc16;
2444 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2452 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2460 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2468 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2476 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2484 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2491 my ($filter, $hops) = (1, 1);
2493 if ($self->{inroutefilter}) {
2494 ($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);
2495 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2503 my $t = shift || $eph_restime;
2507 $s =~ s/\^H\d\d?\^?\~?$//;
2508 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2509 $eph{$s} = $main::systime + $t;
2510 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2518 while (($key, $val) = each %eph) {
2519 if ($key =~ m{$regex}) {
2529 while (($key, $val) = each %eph) {
2530 if ($main::systime >= $val) {
2541 while (($key, $val) = each %eph) {
2542 push @out, $key, $val;
2549 goto &DXCommandmode::run_cmd;
2553 # import any msgs in the chat directory
2554 # the messages are sent to the chat group which forms the
2555 # the first part of the name (eg: solar.1243.txt would be
2556 # sent to chat group SOLAR)
2558 # Each message found is sent: one non-blank line to one chat
2559 # message. So 4 lines = 4 chat messages.
2561 # The special name LOCAL is for local users ANN
2562 # The special name ALL is for ANN/FULL
2563 # The special name SYSOP is for ANN/SYSOP
2567 # are there any to do in this directory?
2568 return unless -d $chatimportfn;
2569 unless (opendir(DIR, $chatimportfn)) {
2570 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2571 Log('msg', "can\'t open $chatimportfn $!");
2575 my @names = readdir(DIR);
2578 foreach $name (@names) {
2579 next if $name =~ /^\./;
2580 my $splitit = $name =~ /^split/;
2581 my $fn = "$chatimportfn/$name";
2583 unless (open(MSG, $fn)) {
2584 dbg("can\'t open import file $fn $!") if isdbg('msg');
2585 Log('msg', "can\'t open import file $fn $!");
2589 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2593 my @cat = split /\./, $name;
2594 my $target = uc $cat[0];
2596 foreach my $text (@msg) {
2597 next unless $text && $text !~ /^\s*#/;
2598 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2599 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2600 if ($target ne 'LOCAL') {
2601 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2603 Log('ann', 'LOCAL', $main::mycall, $text);
2604 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2607 my $msgid = nextchatmsgid();
2608 $text = "#$msgid $text";
2609 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');