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);
39 use vars qw($VERSION $BRANCH);
40 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
41 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
42 $main::build += $VERSION;
43 $main::branch += $BRANCH;
45 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
46 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
47 $pingint $obscount %pc19list
48 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
49 $allowzero $decode_dk0wcy $send_opernam @checklist);
51 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
52 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
54 $last_hour = time; # last time I did an hourly periodic update
55 %pings = (); # outstanding ping requests outbound
56 %rcmds = (); # outstanding rcmd requests outbound
57 %nodehops = (); # node specific hop control
58 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
60 $censorpc = 1; # Do a BadWords::check on text fields and reject things
61 # loads of 'bad things'
62 $baddx = new DXHash "baddx";
63 $badspotter = new DXHash "badspotter";
64 $badnode = new DXHash "badnode";
65 $last10 = $last_pc50 = time;
69 $eph_info_restime = 60*60;
70 $eph_pc34_restime = 30;
76 [ qw(c c m bp bc c) ], # pc10
77 [ qw(f m d t m c c h) ], # pc11
78 [ qw(c bc m bp bm p h) ], # pc12
82 undef , # pc16 has to be validated manually
85 undef , # pc19 has to be validated manually
86 undef , # pc20 no validation
88 undef , # pc22 no validation
89 [ qw(d n n n n m c c h) ], # pc23
91 [ qw(c c n n) ], # pc25
92 [ qw(f m d t m c c bc) ], # pc26
93 [ qw(d n n n n m c c bc) ], # pc27
94 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
95 [ qw(c c n m) ], # pc29
100 [ qw(c c m) ], # pc34
101 [ qw(c c m) ], # pc35
102 [ qw(c c m) ], # pc36
103 [ qw(c c n m) ], # pc37
104 undef, # pc38 not interested
106 [ qw(c c m p n) ], # pc40
107 [ qw(c n m h) ], # pc41
108 [ qw(c c n) ], # pc42
109 undef, # pc43 don't handle it
110 [ qw(c c n m m c) ], # pc44
111 [ qw(c c n m) ], # pc45
112 [ qw(c c n) ], # pc46
115 [ qw(c m h) ], # pc49
116 [ qw(c n h) ], # pc50
117 [ qw(c c n) ], # pc51
139 [ qw(d n n n n n n m m m c c h) ], # pc73
150 [ qw(c c c m) ], # pc84
151 [ qw(c c c m) ], # pc85
154 # use the entry in the check list to check the field list presented
155 # return OK if line NOT in check list (for now)
160 return 0 if $n < 0 || $n > @checklist;
161 my $ref = $checklist[$n];
162 return 0 unless ref $ref;
165 shift; # not interested in the first field
166 for ($i = 0; $i < @$ref; $i++) {
167 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
168 return 0 unless $act;
169 next if $blank && $_[$i] =~ /^[ \*]$/;
171 return $i+1 unless is_callsign($_[$i]);
172 } elsif ($act eq 'm') {
173 return $i+1 unless is_pctext($_[$i]);
174 } elsif ($act eq 'p') {
175 return $i+1 unless is_pcflag($_[$i]);
176 } elsif ($act eq 'f') {
177 return $i+1 unless is_freq($_[$i]);
178 } elsif ($act eq 'n') {
179 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
180 } elsif ($act eq 'h') {
181 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
182 } elsif ($act eq 'd') {
183 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
184 } elsif ($act eq 't') {
185 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
193 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
198 # obtain a new connection this is derived from dxchannel
203 my $self = DXChannel::alloc(@_);
205 # add this node to the table, the values get filled in later
208 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
213 # this is how a pc connection starts (for an incoming connection)
214 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
215 # all the crap that comes between).
218 my ($self, $line, $sort) = @_;
219 my $call = $self->{call};
220 my $user = $self->{user};
223 my $host = $self->{conn}->{peerhost} || "unknown";
224 Log('DXProt', "$call connected from $host");
226 # remember type of connection
227 $self->{consort} = $line;
228 $self->{outbound} = $sort eq 'O';
229 my $priv = $user->priv;
230 $priv = $user->priv(1) unless $priv;
231 $self->{priv} = $priv; # other clusters can always be 'normal' users
232 $self->{lang} = $user->lang || 'en';
233 $self->{isolate} = $user->{isolate};
234 $self->{consort} = $line; # save the connection type
238 # sort out registration
239 $self->{registered} = 1;
241 # get the output filters
242 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
243 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
244 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
245 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
246 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
249 # get the INPUT filters (these only pertain to Clusters)
250 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
251 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
252 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
253 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
254 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
256 # set unbuffered and no echo
257 $self->send_now('B',"0");
258 $self->send_now('E',"0");
259 $self->conn->echo(0) if $self->conn->can('echo');
261 # ping neighbour node stuff
262 my $ping = $user->pingint;
263 $ping = $pingint unless defined $ping;
264 $self->{pingint} = $ping;
265 $self->{nopings} = $user->nopings || $obscount;
266 $self->{pingtime} = [ ];
267 $self->{pingave} = 999;
268 $self->{metric} ||= 100;
269 $self->{lastping} = $main::systime;
271 # send initialisation string
272 unless ($self->{outbound}) {
276 $self->state('init');
277 $self->{pc50_t} = $main::systime;
279 # send info to all logged in thingies
280 $self->tell_login('loginn');
282 # run a script send the output to the debug file
283 my $script = new Script(lc $call) || new Script('node_default');
284 $script->run($self) if $script;
288 # send outgoing 'challenge'
298 # This is the normal pcxx despatcher
302 my ($self, $line) = @_;
303 my @field = split /\^/, $line;
304 return unless @field;
306 pop @field if $field[-1] eq '~';
308 # print join(',', @field), "\n";
311 # process PC frames, this will fail unless the frame starts PCnn
312 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
314 return if $pcno < 10 || $pcno > 99;
316 # check for and dump bad protocol messages
317 my $n = check($pcno, @field);
319 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
326 $pcr = Local::pcprot($self, $pcno, @field);
328 # dbg("Local::pcprot error $@") if isdbg('local') if $@;
332 if ($pcno == 10) { # incoming talk
335 return if $rspfcheck and !$self->rspfcheck(0, $field[6], $field[1]);
337 # will we allow it at all?
340 if (@bad = BadWords::check($field[3])) {
341 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
346 # is it for me or one of mine?
347 my ($from, $to, $via, $call, $dxchan);
349 if ($field[5] gt ' ') {
356 # if this is a 'nodx' node then ignore it
357 if ($badnode->in($field[6]) || ($via && $badnode->in($via))) {
358 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
362 # if this is a 'bad spotter' user then ignore it
364 $nossid =~ s/-\d+$//;
365 if ($badspotter->in($nossid)) {
366 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
370 # if we are converting announces to talk is it a dup?
372 if (AnnTalk::is_talk_candidate($from, $field[3]) && AnnTalk::dup($from, $to, $field[3])) {
373 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
378 # it is here and logged on
379 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
380 $dxchan = DXChannel->get($to) unless $dxchan;
381 if ($dxchan && $dxchan->is_user) {
382 $field[3] =~ s/\%5E/^/g;
383 $dxchan->talk($from, $to, $via, $field[3]);
387 # is it elsewhere, visible on the cluster via the to address?
388 # note: this discards the via unless the to address is on
391 if ($ref = Route::get($to)) {
392 $vref = Route::Node::get($via) if $via;
393 $vref = undef unless $vref && grep $to eq $_, $vref->users;
394 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $field[3], $field[6]);
398 # not visible here, send a message of condolence
400 $ref = Route::get($from);
401 $vref = $ref = Route::Node::get($field[6]) unless $ref;
403 $dxchan = $ref->dxchan;
404 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
409 if ($pcno == 11 || $pcno == 26) { # dx spot
411 # route 'foreign' pc26s
413 if ($field[7] ne $main::mycall) {
414 $self->route($field[7], $line);
420 # return if $rspfcheck and !$self->rspfcheck(1, $field[7], $field[6]);
422 # if this is a 'nodx' node then ignore it
423 if ($badnode->in($field[7])) {
424 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
428 # if this is a 'bad spotter' user then ignore it
429 my $nossid = $field[6];
430 $nossid =~ s/-\d+$//;
431 if ($badspotter->in($nossid)) {
432 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
436 # convert the date to a unix date
437 my $d = cltounix($field[3], $field[4]);
438 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
439 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
440 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
445 if ($baddx->in($field[2]) || BadWords::check($field[2]) || $field[2] =~ /COCK/) {
446 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
451 $field[5] =~ s/^\s+//; # take any leading blanks off
452 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
453 if ($field[2] =~ /BUST\w*$/) {
454 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
459 if (@bad = BadWords::check($field[5])) {
460 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
466 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
467 # global spot filtering on INPUT
468 if ($self->{inspotsfilter}) {
469 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
471 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
476 # this goes after the input filtering, but before the add
477 # so that if it is input filtered, it isn't added to the dup
478 # list. This allows it to come in from a "legitimate" source
479 if (Spot::dup($field[1], $field[2], $d, $field[5], $field[6])) {
480 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
488 # @spot at this point contains:-
489 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
490 # then spotted itu, spotted cq, spotters itu, spotters cq
491 # you should be able to route on any of these
494 # fix up qra locators of known users
495 my $user = DXUser->get_current($spot[4]);
497 my $qra = $user->qra;
498 unless ($qra && is_qra($qra)) {
499 my $lat = $user->lat;
500 my $long = $user->long;
501 if (defined $lat && defined $long) {
502 $user->qra(DXBearing::lltoqra($lat, $long));
507 # send a remote command to a distant cluster if it is visible and there is no
508 # qra locator and we havn't done it for a month.
510 unless ($user->qra) {
512 my $to = $user->homenode;
513 my $last = $user->lastoper || 0;
514 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
515 my $cmd = "forward/opernam $spot[4]";
516 # send the rcmd but we aren't interested in the replies...
517 my $dxchan = $node->dxchan;
518 if ($dxchan && $dxchan->is_clx) {
519 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
521 route(undef, $to, pc34($main::mycall, $to, $cmd));
523 if ($to ne $field[7]) {
525 $node = Route::Node::get($to);
527 $dxchan = $node->dxchan;
528 if ($dxchan && $dxchan->is_clx) {
529 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
531 route(undef, $to, pc34($main::mycall, $to, $cmd));
535 $user->lastoper($main::systime);
544 $r = Local::spot($self, @spot);
546 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
549 # DON'T be silly and send on PC26s!
550 return if $pcno == 26;
552 # send out the filtered spots
553 send_dx_spot($self, $line, @spot) if @spot;
557 if ($pcno == 12) { # announces
559 # return if $rspfcheck and !$self->rspfcheck(1, $field[5], $field[1]);
561 # announce duplicate checking
562 $field[3] =~ s/^\s+//; # remove leading blanks
566 if (@bad = BadWords::check($field[3])) {
567 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
572 # if this is a 'nodx' node then ignore it
573 if ($badnode->in($field[5])) {
574 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
578 # if this is a 'bad spotter' user then ignore it
579 my $nossid = $field[1];
580 $nossid =~ s/-\d+$//;
581 if ($badspotter->in($nossid)) {
582 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
586 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
589 # here's a bit of fun, convert incoming ann with a callsign in the first word
590 # or one saying 'to <call>' to a talk if we can route to the recipient
592 my $call = AnnTalk::is_talk_candidate($field[1], $field[3]);
594 my $ref = Route::get($call);
596 my $dxchan = $ref->dxchan;
597 $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
604 $self->send_announce($line, @field[1..6]);
606 $self->route($field[2], $line);
621 if ($pcno == 16) { # add a user
623 if (eph_dup($line)) {
624 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
630 my $ncall = $field[1];
631 my $newline = "PC16^";
633 # do I want users from this channel?
634 unless ($self->user->wantpc16) {
635 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
639 if ($ncall eq $main::mycall) {
640 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
643 my $parent = Route::Node::get($ncall);
645 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
646 # fix it up in the routing tables and issue it forth before the PC16
648 if (my $nl = $pc19list{$ncall}) {
650 # this is a new (remembered) node, now attach it to me if it isn't in filtered
651 # and we haven't disallowed it
652 my $user = DXUser->get_current($ncall);
654 $user = DXUser->new($ncall);
656 $user->priv(1); # I have relented and defaulted nodes
658 $user->homenode($ncall);
662 delete $pc19list{$ncall}; # whatever happens - it goes
664 my $wantpc19 = $user->wantroutepc19;
665 if ($wantpc19 || !defined $wantpc19) {
666 my $new = Route->new($ncall); # throw away
667 if ($self->in_filter_route($new)) {
670 $parent = Route::Node::get($_->[0]);
671 $dxchan = $parent->dxchan if $parent;
672 if ($dxchan && $dxchan ne $self) {
673 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
677 my $r = $parent->add($ncall, $_->[1], $_->[2]);
678 push @nrout, $r unless @nrout;
681 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
682 $user->lastin($main::systime) unless DXChannel->get($ncall);
685 # route the pc19 - this will cause 'stuttering PC19s' for a while
686 $self->route_pc19(@nrout) if @nrout ;
687 $parent = Route::Node::get($ncall);
693 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
698 $dxchan = $parent->dxchan;
699 if ($dxchan && $dxchan ne $self) {
700 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
704 # input filter if required
705 return unless $self->in_filter_route($parent);
710 for ($i = 2; $i < $#field; $i++) {
711 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
712 next unless $call && $conf && defined $here && is_callsign($call);
713 next if $call eq $main::mycall;
715 eph_del_regex("^PC17\\^$call\\^$ncall");
717 $conf = $conf eq '*';
719 # reject this if we think it is a node already
720 my $r = Route::Node::get($call);
721 my $u = DXUser->get_current($call) unless $r;
722 if ($r || ($u && $u->is_node)) {
723 dbg("PCPROT: $call is a node") if isdbg('chanerr');
727 $r = Route::User::get($call);
728 my $flags = Route::here($here)|Route::conf($conf);
731 if ($r->flags != $flags) {
735 $r->addparent($parent);
737 push @rout, $parent->add_user($call, $flags);
741 # add this station to the user database, if required
742 $call =~ s/-\d+$//o; # remove ssid for users
743 my $user = DXUser->get_current($call);
744 $user = DXUser->new($call) if !$user;
745 $user->homenode($parent->call) if !$user->homenode;
746 $user->node($parent->call);
747 $user->lastin($main::systime) unless DXChannel->get($call);
751 # queue up any messages (look for privates only)
752 DXMsg::queue_msg(1) if $self->state eq 'normal';
754 $self->route_pc16($parent, @rout) if @rout;
758 if ($pcno == 17) { # remove a user
760 my $ncall = $field[2];
761 my $ucall = $field[1];
763 eph_del_regex("^PC16\\^$ncall.*$ucall");
765 # do I want users from this channel?
766 unless ($self->user->wantpc16) {
767 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
770 if ($ncall eq $main::mycall) {
771 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
775 my $uref = Route::User::get($ucall);
777 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
780 my $parent = Route::Node::get($ncall);
782 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
786 $dxchan = $parent->dxchan;
787 if ($dxchan && $dxchan ne $self) {
788 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
792 # input filter if required
793 return unless $self->in_filter_route($parent);
795 $parent->del_user($uref);
797 if (eph_dup($line)) {
798 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
802 $self->route_pc17($parent, $uref);
806 if ($pcno == 18) { # link request
807 $self->state('init');
809 # record the type and version offered
810 if ($field[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
811 $self->version(53 + $1);
812 $self->user->version(53 + $1);
813 $self->build(0 + $2);
814 $self->user->build(0 + $2);
815 unless ($self->is_spider) {
816 $self->user->sort('S');
821 $self->version(50.0);
822 $self->version($field[2] / 100) if $field[2] && $field[2] =~ /^\d+$/;
823 $self->user->version($self->version);
826 # first clear out any nodes on this dxchannel
827 my $parent = Route::Node::get($self->{call});
828 my @rout = $parent->del_nodes;
829 $self->route_pc21(@rout, $parent) if @rout;
830 $self->send_local_config();
832 return; # we don't pass these on
835 if ($pcno == 19) { # incoming cluster list
837 my $newline = "PC19^";
839 if (eph_dup($line)) {
840 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
846 my $parent = Route::Node::get($self->{call});
848 dbg("DXPROT: my parent $self->{call} has disappeared");
854 for ($i = 1; $i < $#field-1; $i += 4) {
855 my $here = $field[$i];
856 my $call = uc $field[$i+1];
857 my $conf = $field[$i+2];
858 my $ver = $field[$i+3];
859 next unless defined $here && defined $conf && is_callsign($call);
861 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
863 # check for sane parameters
864 # $ver = 5000 if $ver eq '0000';
865 next if $ver < 5000; # only works with version 5 software
866 next if length $call < 3; # min 3 letter callsigns
867 next if $call eq $main::mycall;
869 # check that this PC19 isn't trying to alter the wrong dxchan
870 my $dxchan = DXChannel->get($call);
871 if ($dxchan && $dxchan != $self) {
872 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
876 # add this station to the user database, if required (don't remove SSID from nodes)
877 my $user = DXUser->get_current($call);
879 $user = DXUser->new($call);
881 $user->priv(1); # I have relented and defaulted nodes
883 $user->homenode($call);
887 my $r = Route::Node::get($call);
888 my $flags = Route::here($here)|Route::conf($conf);
890 # modify the routing table if it is in it, otherwise store it in the pc19list for now
893 if ($call ne $parent->call) {
894 if ($self->in_filter_route($r)) {
895 $ar = $parent->add($call, $ver, $flags);
896 push @rout, $ar if $ar;
901 if ($r->version ne $ver || $r->flags != $flags) {
904 push @rout, $r unless $ar;
908 # if he is directly connected or allowed then add him, otherwise store him up for later
909 if ($call eq $self->{call} || $user->wantroutepc19) {
910 my $new = Route->new($call); # throw away
911 if ($self->in_filter_route($new)) {
912 my $ar = $parent->add($call, $ver, $flags);
913 push @rout, $ar if $ar;
918 $pc19list{$call} = [] unless exists $pc19list{$call};
919 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags];
923 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
924 my $mref = DXMsg::get_busy($call);
925 $mref->stop_msg($call) if $mref;
927 $user->lastin($main::systime) unless DXChannel->get($call);
932 $self->route_pc19(@rout) if @rout;
936 if ($pcno == 20) { # send local configuration
937 $self->send_local_config();
939 $self->state('normal');
940 $self->{lastping} = 0;
944 if ($pcno == 21) { # delete a cluster from the list
945 my $call = uc $field[1];
947 eph_del_regex("^PC1[679].*$call");
949 # if I get a PC21 from the same callsign as self then treat it
950 # as a PC39: I have gone away
951 if ($call eq $self->call) {
952 $self->disconnect(1);
956 # check to see if we are in the pc19list, if we are then don't bother with any of
957 # this routing table manipulation, just remove it from the list and dump it
959 if (my $nl = $pc19list{$call}) {
960 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
961 delete $pc19list{$call} unless @{$pc19list{$call}};
964 my $parent = Route::Node::get($self->{call});
966 dbg("DXPROT: my parent $self->{call} has disappeared");
970 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
971 my $node = Route::Node::get($call);
974 my $dxchan = DXChannel->get($call);
975 if ($dxchan && $dxchan != $self) {
976 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
981 return unless $self->in_filter_route($node);
984 push @rout, $node->del($parent);
987 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
992 $self->route_pc21(@rout) if @rout;
997 $self->state('normal');
998 $self->{lastping} = 0;
1002 if ($pcno == 23 || $pcno == 27) { # WWV info
1004 # route 'foreign' pc27s
1006 if ($field[8] ne $main::mycall) {
1007 $self->route($field[8], $line);
1012 return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
1015 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
1016 my $sfi = unpad($field[3]);
1017 my $k = unpad($field[4]);
1018 my $i = unpad($field[5]);
1019 my ($r) = $field[6] =~ /R=(\d+)/;
1021 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1022 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
1025 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
1026 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1029 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
1031 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
1035 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
1037 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1040 # DON'T be silly and send on PC27s!
1041 return if $pcno == 27;
1043 # broadcast to the eager world
1044 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
1048 if ($pcno == 24) { # set here status
1049 my $call = uc $field[1];
1051 $nref = Route::Node::get($call);
1052 $uref = Route::User::get($call);
1053 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1055 unless (eph_dup($line)) {
1056 $nref->here($field[2]) if $nref;
1057 $uref->here($field[2]) if $uref;
1058 my $ref = $nref || $uref;
1059 return unless $self->in_filter_route($ref);
1060 $self->route_pc24($ref, $field[3]);
1065 if ($pcno == 25) { # merge request
1066 if ($field[1] ne $main::mycall) {
1067 $self->route($field[1], $line);
1070 if ($field[2] eq $main::mycall) {
1071 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1075 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
1078 if ($field[3] > 0) {
1079 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
1082 $self->send(pc26(@{$in}[0..4], $field[2]));
1087 if ($field[4] > 0) {
1088 my @in = reverse Geomag::search(0, $field[4], time, 1);
1091 $self->send(pc27(@{$in}[0..5], $field[2]));
1097 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
1098 return if $pcno == 49 && eph_dup($line);
1099 if ($pcno == 49 || $field[1] eq $main::mycall) {
1100 DXMsg::process($self, $line);
1102 $self->route($field[1], $line) unless $self->is_clx;
1107 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
1108 if (eph_dup($line, $eph_pc34_restime)) {
1109 dbg("PCPROT: dupe") if isdbg('chanerr');
1111 $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
1116 if ($pcno == 35) { # remote command replies
1117 eph_del_regex("^PC35\\^$field[2]\\^$field[1]\\^");
1118 $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
1122 # for pc 37 see 44 onwards
1124 if ($pcno == 38) { # node connected list from neighbour
1128 if ($pcno == 39) { # incoming disconnect
1129 if ($field[1] eq $self->{call}) {
1130 $self->disconnect(1);
1132 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1137 if ($pcno == 41) { # user info
1138 my $call = $field[1];
1140 if (eph_dup($line, $eph_info_restime)) {
1141 dbg("PCPROT: dupe") if isdbg('chanerr');
1145 # input filter if required
1146 # my $ref = Route::get($call) || Route->new($call);
1147 # return unless $self->in_filter_route($ref);
1149 if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
1150 dbg('PCPROT: invalid value') if isdbg('chanerr');
1154 # add this station to the user database, if required
1155 my $user = DXUser->get_current($call);
1156 $user = DXUser->new($call) unless $user;
1158 if ($field[2] == 1) {
1159 $user->name($field[3]);
1160 } elsif ($field[2] == 2) {
1161 $user->qth($field[3]);
1162 } elsif ($field[2] == 3) {
1163 if (is_latlong($field[3])) {
1164 my ($lat, $long) = DXBearing::stoll($field[3]);
1167 $user->qra(DXBearing::lltoqra($lat, $long));
1169 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1172 } elsif ($field[2] == 4) {
1173 $user->homenode($field[3]);
1174 } elsif ($field[2] == 5) {
1175 if (is_qra(uc $field[3])) {
1176 my ($lat, $long) = DXBearing::qratoll(uc $field[3]);
1179 $user->qra(uc $field[3]);
1181 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1185 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1188 unless ($self->{isolate}) {
1189 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1192 # perhaps this IS what we want after all
1193 # $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
1201 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
1202 DXDb::process($self, $line);
1206 if ($pcno == 50) { # keep alive/user list
1207 my $call = $field[1];
1208 my $node = Route::Node::get($call);
1210 return unless $node->call eq $self->{call};
1211 $node->usercount($field[2]);
1213 # input filter if required
1214 return unless $self->in_filter_route($node);
1216 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
1221 if ($pcno == 51) { # incoming ping requests/answers
1223 my $from = $field[2];
1224 my $flag = $field[3];
1228 if ($to eq $main::mycall) {
1230 $self->send(pc51($from, $to, '0'));
1232 # it's a reply, look in the ping list for this one
1233 my $ref = $pings{$from};
1235 my $tochan = DXChannel->get($from);
1237 my $r = shift @$ref;
1238 my $dxchan = DXChannel->get($r->{call});
1239 next unless $dxchan;
1240 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1241 if ($dxchan->is_user) {
1242 my $s = sprintf "%.2f", $t;
1243 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1244 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1245 } elsif ($dxchan->is_node) {
1247 my $nopings = $tochan->user->nopings || 2;
1248 push @{$tochan->{pingtime}}, $t;
1249 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1251 # cope with a missed ping, this means you must set the pingint large enough
1252 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1253 $t -= $tochan->{pingint};
1256 # calc smoothed RTT a la TCP
1257 if (@{$tochan->{pingtime}} == 1) {
1258 $tochan->{pingave} = $t;
1260 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1262 $tochan->{nopings} = $nopings; # pump up the timer
1269 if (eph_dup($line)) {
1270 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1273 # route down an appropriate thingy
1274 $self->route($to, $line);
1279 if ($pcno == 75) { # dunno but route it
1280 my $call = $field[1];
1281 if ($call ne $main::mycall) {
1282 $self->route($call, $line);
1287 if ($pcno == 73) { # WCY broadcasts
1288 my $call = $field[1];
1291 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1292 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1293 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1296 @field = map { unpad($_) } @field;
1298 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1302 my $wcy = WCY::update($d, @field[2..12]);
1306 $rep = Local::wcy($self, @field[1..12]);
1308 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1311 # broadcast to the eager world
1312 send_wcy_spot($self, $line, $d, @field[2..12]);
1316 if ($pcno == 84) { # remote commands (incoming)
1317 $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1321 if ($pcno == 85) { # remote command replies
1322 $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1326 if ($pcno == 90) { # new style PC16,17,19,21
1331 # if get here then rebroadcast the thing with its Hop count decremented (if
1332 # there is one). If it has a hop count and it decrements to zero then don't
1335 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1339 if (eph_dup($line)) {
1340 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1342 unless ($self->{isolate}) {
1343 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1349 # This is called from inside the main cluster processing loop and is used
1350 # for despatching commands that are doing some long processing job
1355 my @dxchan = DXChannel->get_all();
1359 # send out a pc50 on EVERY channel all at once
1360 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1361 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1366 foreach $dxchan (@dxchan) {
1367 next unless $dxchan->is_node();
1368 next if $dxchan == $main::me;
1370 # send the pc50 or PC90
1371 $dxchan->send($pc50s) if $pc50s;
1373 # send a ping out on this channel
1374 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1375 if ($dxchan->{nopings} <= 0) {
1376 $dxchan->disconnect;
1378 addping($main::mycall, $dxchan->call);
1379 $dxchan->{nopings} -= 1;
1380 $dxchan->{lastping} = $t;
1386 if ($t - $last10 >= 10) {
1387 # clean out ephemera
1394 if ($main::systime - 3600 > $last_hour) {
1395 $last_hour = $main::systime;
1400 # finish up a pc context
1404 # some active measures
1412 my @dxchan = DXChannel->get_all();
1415 # send it if it isn't the except list and isn't isolated and still has a hop count
1416 # taking into account filtering and so on
1417 foreach $dxchan (@dxchan) {
1418 next if $dxchan == $main::me;
1419 next if $dxchan == $self && $self->is_node;
1420 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1428 my $isolate = shift;
1429 my ($filter, $hops);
1431 if ($self->{spotsfilter}) {
1432 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1433 return unless $filter;
1435 send_prot_line($self, $filter, $hops, $isolate, $line);
1440 my ($self, $filter, $hops, $isolate, $line) = @_;
1445 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1447 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1448 return unless $routeit;
1451 $self->send($routeit);
1453 $self->send($routeit) unless $self->{isolate} || $isolate;
1462 my @dxchan = DXChannel->get_all();
1464 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1465 my @dxcc = Prefix::extract($_[6]);
1467 $wwv_dxcc = $dxcc[1]->dxcc;
1468 $wwv_itu = $dxcc[1]->itu;
1469 $wwv_cq = $dxcc[1]->cq;
1471 @dxcc = Prefix::extract($_[7]);
1473 $org_dxcc = $dxcc[1]->dxcc;
1474 $org_itu = $dxcc[1]->itu;
1475 $org_cq = $dxcc[1]->cq;
1478 # send it if it isn't the except list and isn't isolated and still has a hop count
1479 # taking into account filtering and so on
1480 foreach $dxchan (@dxchan) {
1481 next if $dxchan == $main::me;
1482 next if $dxchan == $self && $self->is_node;
1484 my ($filter, $hops);
1486 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1495 my $isolate = shift;
1496 my ($filter, $hops);
1498 if ($self->{wwvfilter}) {
1499 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1500 return unless $filter;
1502 send_prot_line($self, $filter, $hops, $isolate, $line)
1509 my @dxchan = DXChannel->get_all();
1511 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1512 my @dxcc = Prefix::extract($_[10]);
1514 $wcy_dxcc = $dxcc[1]->dxcc;
1515 $wcy_itu = $dxcc[1]->itu;
1516 $wcy_cq = $dxcc[1]->cq;
1518 @dxcc = Prefix::extract($_[11]);
1520 $org_dxcc = $dxcc[1]->dxcc;
1521 $org_itu = $dxcc[1]->itu;
1522 $org_cq = $dxcc[1]->cq;
1525 # send it if it isn't the except list and isn't isolated and still has a hop count
1526 # taking into account filtering and so on
1527 foreach $dxchan (@dxchan) {
1528 next if $dxchan == $main::me;
1529 next if $dxchan == $self;
1531 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1539 my $isolate = shift;
1540 my ($filter, $hops);
1542 if ($self->{wcyfilter}) {
1543 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1544 return unless $filter;
1546 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1554 my @dxchan = DXChannel->get_all();
1558 my $text = unpad($_[2]);
1560 if ($_[3] eq '*') { # sysops
1562 } elsif ($_[3] gt ' ') { # speciality list handling
1563 my ($name) = split /\./, $_[3];
1564 $target = "$name"; # put the rest in later (if bothered)
1571 $target = "ALL" if !$target;
1574 # obtain country codes etc
1575 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1576 my ($ann_state, $org_state) = ("", "");
1577 my @dxcc = Prefix::extract($_[0]);
1579 $ann_dxcc = $dxcc[1]->dxcc;
1580 $ann_itu = $dxcc[1]->itu;
1581 $ann_cq = $dxcc[1]->cq;
1582 $ann_state = $dxcc[1]->state;
1584 @dxcc = Prefix::extract($_[4]);
1586 $org_dxcc = $dxcc[1]->dxcc;
1587 $org_itu = $dxcc[1]->itu;
1588 $org_cq = $dxcc[1]->cq;
1589 $org_state = $dxcc[1]->state;
1592 if ($self->{inannfilter}) {
1593 my ($filter, $hops) =
1594 $self->{inannfilter}->it(@_, $self->{call},
1595 $ann_dxcc, $ann_itu, $ann_cq,
1596 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1598 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1603 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1604 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1608 Log('ann', $target, $_[0], $text);
1610 # send it if it isn't the except list and isn't isolated and still has a hop count
1611 # taking into account filtering and so on
1612 foreach $dxchan (@dxchan) {
1613 next if $dxchan == $main::me;
1614 next if $dxchan == $self && $self->is_node;
1615 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1623 my $isolate = shift;
1627 my ($filter, $hops);
1629 if ($self->{annfilter}) {
1630 ($filter, $hops) = $self->{annfilter}->it(@_);
1631 return unless $filter;
1633 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1637 sub send_local_config
1645 dbg('DXProt::send_local_config') if isdbg('trace');
1648 if ($self->{isolate}) {
1649 @localnodes = ( $main::routeroot );
1651 # create a list of all the nodes that are not connected to this connection
1652 # and are not themselves isolated, this to make sure that isolated nodes
1653 # don't appear outside of this node
1654 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1655 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1656 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1657 my $ref = Route::Node::get($self->{call});
1658 my @rnodes = $ref->nodes;
1659 for my $node (@intcalls) {
1660 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes;
1662 unshift @localnodes, $main::routeroot;
1666 $self->send_route(\&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1668 # get all the users connected on the above nodes and send them out
1669 foreach $node (@localnodes, @remotenodes) {
1671 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1672 $self->send_route(\&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1674 dbg("sent a null value") if isdbg('chanerr');
1680 # route a message down an appropriate interface for a callsign
1682 # is called route(to, pcline);
1686 my ($self, $call, $line) = @_;
1688 if (ref $self && $call eq $self->{call}) {
1689 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1693 # always send it down the local interface if available
1694 my $dxchan = DXChannel->get($call);
1696 my $cl = Route::get($call);
1697 $dxchan = $cl->dxchan if $cl;
1699 if (ref $self && $dxchan eq $self) {
1700 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1706 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1708 $dxchan->send($routeit) unless $dxchan == $main::me;
1711 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1716 # obtain the hops from the list for this callsign and pc no
1722 my $hops = $DXProt::hopcount{$pcno};
1723 $hops = $DXProt::def_hopcount if !$hops;
1728 # adjust the hop count on a per node basis using the user loadable
1729 # hop table if available or else decrement an existing one
1736 my $call = $self->{call};
1739 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1740 my ($pcno) = $s =~ /^PC(\d\d)/o;
1741 confess "$call called adjust_hops with '$s'" unless $pcno;
1742 my $ref = $nodehops{$call} if %nodehops;
1744 my $newhops = $ref->{$pcno};
1745 return "" if defined $newhops && $newhops == 0;
1746 $newhops = $ref->{default} unless $newhops;
1747 return "" if defined $newhops && $newhops == 0;
1748 $newhops = $hops if !$newhops;
1749 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1751 # simply decrement it
1753 return "" if !$hops;
1754 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1766 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1767 do "$main::data/hop_table.pl";
1773 # add a ping request to the ping queues
1776 my ($from, $to) = @_;
1777 my $ref = $pings{$to} || [];
1780 $r->{t} = [ gettimeofday ];
1781 route(undef, $to, pc51($to, $main::mycall, 1));
1788 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1789 if ($tonode eq $main::mycall) {
1790 my $ref = DXUser->get_current($fromnode);
1791 my $cref = Route::Node::get($fromnode);
1792 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1793 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1794 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1795 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1796 my $oldpriv = $self->{priv};
1797 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1798 my @in = (DXCommandmode::run_cmd($self, $cmd));
1799 $self->{priv} = $oldpriv;
1800 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1801 delete $self->{remotecmd};
1803 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1806 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1809 my $ref = DXUser->get_current($tonode);
1810 if ($ref && $ref->is_clx) {
1811 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1813 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1818 sub process_rcmd_reply
1820 my ($self, $tonode, $fromnode, $user, $line) = @_;
1821 if ($tonode eq $main::mycall) {
1822 my $s = $rcmds{$fromnode};
1824 my $dxchan = DXChannel->get($s->{call});
1825 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1826 $ref->send($line) if $ref;
1827 delete $rcmds{$fromnode} if !$dxchan;
1829 # send unsolicited ones to the sysop
1830 my $dxchan = DXChannel->get($main::myalias);
1831 $dxchan->send($line) if $dxchan;
1834 my $ref = DXUser->get_current($tonode);
1835 if ($ref && $ref->is_clx) {
1836 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1838 $self->route($tonode, pc35($fromnode, $tonode, $line));
1847 my $fromnode = shift;
1852 Log('rcmd', 'out', $fromnode, $line);
1853 if ($self->is_clx) {
1854 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1856 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1861 # add a rcmd request to the rcmd queues
1864 my ($self, $to, $cmd) = @_;
1867 $r->{call} = $self->{call};
1868 $r->{t} = $main::systime;
1872 my $ref = Route::Node::get($to);
1873 my $dxchan = $ref->dxchan;
1874 if ($dxchan && $dxchan->is_clx) {
1875 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1877 route(undef, $to, pc34($main::mycall, $to, $cmd));
1884 my $pc39flag = shift;
1885 my $call = $self->call;
1887 return if $self->{disconnecting}++;
1889 unless ($pc39flag && $pc39flag == 1) {
1890 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1893 # get rid of any PC16/17/19/21s
1894 eph_del_regex("^PC(?:1[679]|21).*$call");
1896 # do routing stuff, remove me from routing table
1897 my $node = Route::Node::get($call);
1900 @rout = $node->del($main::routeroot);
1902 # and all my ephemera as well
1905 eph_del_regex("^PC(?:1[679]|21).*$c");
1909 # remove them from the pc19list as well
1910 while (my ($k,$v) = each %pc19list) {
1911 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
1913 $pc19list{$k} = \@l;
1915 delete $pc19list{$k};
1919 eph_del_regex("^PC(?:1[679]|21).*$k");
1922 # unbusy and stop and outgoing mail
1923 my $mref = DXMsg::get_busy($call);
1924 $mref->stop_msg($call) if $mref;
1926 # broadcast to all other nodes that all the nodes connected to via me are gone
1927 unless ($pc39flag && $pc39flag == 2) {
1928 $self->route_pc21(@rout) if @rout;
1931 # remove outstanding pings
1932 delete $pings{$call};
1934 # I was the last node visited
1935 $self->user->node($main::mycall);
1937 # send info to all logged in thingies
1938 $self->tell_login('logoutn');
1940 Log('DXProt', $call . " Disconnected");
1942 $self->SUPER::disconnect;
1947 # send a talk message to this thingy
1951 my ($self, $from, $to, $via, $line, $origin) = @_;
1953 $line =~ s/\^/\\5E/g; # remove any ^ characters
1954 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
1955 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
1958 # send it if it isn't the except list and isn't isolated and still has a hop count
1959 # taking into account filtering and so on
1963 my $generate = shift;
1964 my $no = shift; # the no of things to filter on
1966 my ($filter, $hops);
1969 for (; @_ && $no; $no--) {
1972 if (!$self->{isolate} && $self->{routefilter}) {
1975 ($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});
1979 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1982 dbg("was sent a null value") if isdbg('chanerr');
1985 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1989 foreach my $line (&$generate(@rin, @_)) {
1992 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1994 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1995 next unless $routeit;
1997 $self->send($routeit);
2005 my $generate = shift;
2006 my @dxchan = DXChannel::get_all_nodes();
2010 unless ($self->{isolate}) {
2011 foreach $dxchan (@dxchan) {
2012 next if $dxchan == $self;
2013 next if $dxchan == $main::me;
2014 next if $dxchan->user->wantnp;
2015 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2017 $dxchan->send_route($generate, @_);
2025 return unless $self->user->wantpc16;
2026 broadcast_route($self, \&pc16, 1, @_);
2032 return unless $self->user->wantpc16;
2033 broadcast_route($self, \&pc17, 1, @_);
2039 broadcast_route($self, \&pc19, scalar @_, @_);
2045 broadcast_route($self, \&pc21, scalar @_, @_);
2051 broadcast_route($self, \&pc24, 1, @_);
2057 broadcast_route($self, \&pc41, 1, @_);
2063 broadcast_route($self, \&pc50, 1, @_);
2069 broadcast_route($self, \&pc90, 1, @_);
2076 my ($filter, $hops) = (1, 1);
2078 if ($self->{inroutefilter}) {
2079 ($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);
2080 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2088 my $t = shift || $eph_restime;
2092 $s =~ s/\^H\d\d?\^?\~?$//;
2093 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2094 $eph{$s} = $main::systime + $t;
2102 while (($key, $val) = each %eph) {
2103 if ($key =~ m{$regex}) {
2113 while (($key, $val) = each %eph) {
2114 if ($main::systime >= $val) {
2125 while (($key, $val) = each %eph) {
2126 push @out, $key, $val;
2133 goto &DXCommandmode::run_cmd;