3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
40 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
41 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
42 $pingint $obscount %pc19list $chatdupeage $chatimportfn
43 $investigation_int $pc19_version $myprot_version
44 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
45 $allowzero $decode_dk0wcy $send_opernam @checklist
46 $eph_pc15_restime $pc92_update_period $pc92_obs_timeout
47 %pc92_find $pc92_find_timeout $pc92_short_update_period
48 $next_pc92_obs_timeout
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 %rcmds = (); # outstanding rcmd requests outbound
56 %nodehops = (); # node specific hop control
57 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
59 $censorpc = 1; # Do a BadWords::check on text fields and reject things
60 # loads of 'bad things'
61 $baddx = new DXHash "baddx";
62 $badspotter = new DXHash "badspotter";
63 $badnode = new DXHash "badnode";
64 $last10 = $last_pc50 = time;
68 $eph_info_restime = 60*60;
69 $eph_pc15_restime = 6*60;
70 $eph_pc34_restime = 30;
73 $chatdupeage = 20 * 60;
74 $chatimportfn = "$main::root/chat_import";
75 $investigation_int = 12*60*60; # time between checks to see if we can see this node
76 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
77 $pc92_update_period = 60*60; # the period between outgoing PC92 C updates
78 $pc92_short_update_period = 15*60; # shorten the update period after a connection
79 %pc92_find = (); # outstanding pc92 find operations
80 $pc92_find_timeout = 30; # maximum time to wait for a reply
81 #$pc92_obs_timeout = $pc92_update_period; # the time between obscount countdowns
82 $pc92_obs_timeout = 60*60; # the time between obscount for incoming countdowns
83 $next_pc92_obs_timeout = $main::systime + 60*60; # the time between obscount countdowns
89 [ qw(i c c m bp bc c) ], # pc10
90 [ qw(i f m d t m c c h) ], # pc11
91 [ qw(i c bm m bm bm p h) ], # pc12
95 undef , # pc16 has to be validated manually
96 [ qw(i c c h) ], # pc17
98 undef , # pc19 has to be validated manually
99 undef , # pc20 no validation
100 [ qw(i c m h) ], # pc21
101 undef , # pc22 no validation
102 [ qw(i d n n n n m c c h) ], # pc23
103 [ qw(i c p h) ], # pc24
104 [ qw(i c c n n) ], # pc25
105 [ qw(i f m d t m c c bc) ], # pc26
106 [ qw(i d n n n n m c c bc) ], # pc27
107 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
108 [ qw(i c c n m) ], # pc29
109 [ qw(i c c n) ], # pc30
110 [ qw(i c c n) ], # pc31
111 [ qw(i c c n) ], # pc32
112 [ qw(i c c n) ], # pc33
113 [ qw(i c c m) ], # pc34
114 [ qw(i c c m) ], # pc35
115 [ qw(i c c m) ], # pc36
116 [ qw(i c c n m) ], # pc37
117 undef, # pc38 not interested
118 [ qw(i c m) ], # pc39
119 [ qw(i c c m p n) ], # pc40
120 [ qw(i c n m h) ], # pc41
121 [ qw(i c c n) ], # pc42
122 undef, # pc43 don't handle it
123 [ qw(i c c n m m c) ], # pc44
124 [ qw(i c c n m) ], # pc45
125 [ qw(i c c n) ], # pc46
128 [ qw(i c m h) ], # pc49
129 [ qw(i c n h) ], # pc50
130 [ qw(i c c n) ], # pc51
152 [ qw(i d n n n n n n m m m c c h) ], # pc73
163 [ qw(i c c c m) ], # pc84
164 [ qw(i c c c m) ], # pc85
169 [ qw(i c n) ], # pc90
172 # use the entry in the check list to check the field list presented
173 # return OK if line NOT in check list (for now)
178 return 0 if $n < 0 || $n > @checklist;
179 my $ref = $checklist[$n];
180 return 0 unless ref $ref;
183 for ($i = 1; $i < @$ref; $i++) {
184 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
185 return 0 unless $act;
186 next if $blank && $_[$i] =~ /^[ \*]$/;
188 return $i unless is_callsign($_[$i]);
189 } elsif ($act eq 'i') {
191 } elsif ($act eq 'm') {
192 return $i unless is_pctext($_[$i]);
193 } elsif ($act eq 'p') {
194 return $i unless is_pcflag($_[$i]);
195 } elsif ($act eq 'f') {
196 return $i unless is_freq($_[$i]);
197 } elsif ($act eq 'n') {
198 return $i unless $_[$i] =~ /^[\d ]+$/;
199 } elsif ($act eq 'h') {
200 return $i unless $_[$i] =~ /^H\d\d?$/;
201 } elsif ($act eq 'd') {
202 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
203 } elsif ($act eq 't') {
204 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
213 my $period = shift || $pc92_update_period;
214 $self->{next_pc92_update} = $main::systime + $period - int rand($period / 4);
215 dbg("ROUTE: update_pc92_next: $self->{call} " . atime($self->{next_pc92_update})) if isdbg('obscount');
220 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
223 my $user = DXUser->get($main::mycall);
224 die "User $main::mycall not setup or disappeared RTFM" unless $user;
226 $myprot_version += $main::version*100;
227 $main::me = DXProt->new($main::mycall, 0, $user);
228 $main::me->{here} = 1;
229 $main::me->{state} = "indifferent";
230 $main::me->{sort} = 'S'; # S for spider
231 $main::me->{priv} = 9;
232 $main::me->{metric} = 0;
233 $main::me->{pingave} = 0;
234 $main::me->{registered} = 1;
235 $main::me->{version} = $main::version;
236 $main::me->{build} = "$main::subversion.$main::build";
237 $main::me->{do_pc9x} = 1;
238 $main::me->update_pc92_next($pc92_update_period);
242 # obtain a new connection this is derived from dxchannel
247 my $self = DXChannel::alloc(@_);
249 # add this node to the table, the values get filled in later
253 # if we have an entry already, then send a PC21 to all connect
254 # old style connections, because we are about to get the real deal
255 if (my $ref = Route::Node::get($call)) {
256 dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
257 my @rout = $ref->delete;
258 $self->route_pc21($main::mycall, undef, @rout) if @rout;
260 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
265 # this is how a pc connection starts (for an incoming connection)
266 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
267 # all the crap that comes between).
270 my ($self, $line, $sort) = @_;
271 my $call = $self->{call};
272 my $user = $self->{user};
275 my $host = $self->{conn}->{peerhost};
276 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
279 Log('DXProt', "$call connected from $host");
281 # remember type of connection
282 $self->{consort} = $line;
283 $self->{outbound} = $sort eq 'O';
284 my $priv = $user->priv;
285 $priv = $user->priv(1) unless $priv;
286 $self->{priv} = $priv; # other clusters can always be 'normal' users
287 $self->{lang} = $user->lang || 'en';
288 $self->{isolate} = $user->{isolate};
289 $self->{consort} = $line; # save the connection type
293 # sort out registration
294 $self->{registered} = 1;
296 # get the output filters
297 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
298 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
299 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
300 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
301 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
304 # get the INPUT filters (these only pertain to Clusters)
305 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
306 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
307 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
308 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
309 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
310 # if there is no route input filter then specify a default one.
311 # obviously this can be changed later by the sysop.
312 if (!$self->{inroutefilter}) {
313 my $dxcc = $self->dxcc;
314 $Route::filterdef->cmd($self, 'route', 'accept', "input by_dxcc $dxcc" );
317 # set unbuffered and no echo
318 $self->send_now('B',"0");
319 $self->send_now('E',"0");
320 $self->conn->echo(0) if $self->conn->can('echo');
322 # ping neighbour node stuff
323 my $ping = $user->pingint;
324 $ping = $pingint unless defined $ping;
325 $self->{pingint} = $ping;
326 $self->{nopings} = $user->nopings || $obscount;
327 $self->{pingtime} = [ ];
328 $self->{pingave} = 999;
329 $self->{metric} ||= 100;
330 $self->{lastping} = $main::systime;
332 # send initialisation string
333 unless ($self->{outbound}) {
337 $self->state('init');
338 $self->{pc50_t} = $main::systime;
340 # send info to all logged in thingies
341 $self->tell_login('loginn');
343 # run a script send the output to the debug file
344 my $script = new Script(lc $call) || new Script('node_default');
345 $script->run($self) if $script;
347 # set next_pc92_update time for this node sooner
348 $self->update_pc92_next($self->{outbound} ? $pc92_short_update_period : $pc92_update_period);
352 # send outgoing 'challenge'
358 $self->send(pc18(($self->{isolate} || !$self->user->wantpc9x) ? "" : " pc9x"));
362 # This is the normal pcxx despatcher
366 my ($self, $line) = @_;
368 if ($line =~ '^<\w+\s' && $main::do_xml) {
369 DXXml::normal($self, $line);
373 my @field = split /\^/, $line;
374 return unless @field;
376 pop @field if $field[-1] eq '~';
378 # print join(',', @field), "\n";
381 # process PC frames, this will fail unless the frame starts PCnn
382 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
383 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
384 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
388 # check for and dump bad protocol messages
389 my $n = check($pcno, @field);
391 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
395 # modify the hop count here
396 if ($self != $main::me) {
397 if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
401 $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
402 $field[-1] = "H$hops";
406 # send it out for processing
407 my $origin = $self->{call};
409 my $sub = "handle_$pcno";
411 if ($self->can($sub)) {
412 $self->$sub($pcno, $line, $origin, @field);
414 $self->handle_default($pcno, $line, $origin, @field);
419 # This is called from inside the main cluster processing loop and is used
420 # for despatching commands that are doing some long processing job
425 my @dxchan = DXChannel::get_all();
429 # send out a pc50 on EVERY channel all at once
430 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
431 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
436 foreach $dxchan (@dxchan) {
437 next unless $dxchan->is_node;
438 next if $dxchan->handle_xml;
439 next if $dxchan == $main::me;
442 $dxchan->send($pc50s) if $pc50s;
444 # send a ping out on this channel
445 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
446 if ($dxchan->{nopings} <= 0) {
449 DXXml::Ping::add($main::me, $dxchan->call);
450 $dxchan->{nopings} -= 1;
451 $dxchan->{lastping} = $t;
452 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
458 Investigate::process();
462 if ($t - $last10 >= 10) {
468 if ($main::systime >= $next_pc92_obs_timeout) {
469 time_out_pc92_routes();
470 $next_pc92_obs_timeout = $main::systime + $pc92_obs_timeout;
475 # send out config broadcasts
476 foreach $dxchan (@dxchan) {
477 next unless $dxchan->is_node;
479 # send out a PC92 config record if required for me and
480 # all my non pc9x dependent nodes.
481 if ($main::systime >= $dxchan->{next_pc92_update}) {
482 dbg("ROUTE: pc92 broadcast candidate: $dxchan->{call}") if isdbg('obscount');
483 if ($dxchan == $main::me || !$dxchan->{do_pc9x}) {
484 $dxchan->broadcast_pc92_update($dxchan->{call});
490 if ($main::systime - 3600 > $last_hour) {
491 $last_hour = $main::systime;
496 # finish up a pc context
500 # some active measures
508 my @dxchan = DXChannel::get_all();
511 # send it if it isn't the except list and isn't isolated and still has a hop count
512 # taking into account filtering and so on
513 foreach $dxchan (@dxchan) {
514 next if $dxchan == $main::me;
515 next if $dxchan == $self && $self->is_node;
516 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
527 if ($self->{spotsfilter}) {
528 ($filter, $hops) = $self->{spotsfilter}->it(@_);
529 return unless $filter;
531 send_prot_line($self, $filter, $hops, $isolate, $line);
536 my ($self, $filter, $hops, $isolate, $line) = @_;
542 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
544 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
545 return unless $routeit;
548 $self->send($routeit);
550 $self->send($routeit) unless $self->{isolate} || $isolate;
559 my @dxchan = DXChannel::get_all();
561 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
563 # send it if it isn't the except list and isn't isolated and still has a hop count
564 # taking into account filtering and so on
565 foreach $dxchan (@dxchan) {
566 next if $dxchan == $main::me;
567 next if $dxchan == $self && $self->is_node;
571 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
582 if ($self->{wwvfilter}) {
583 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
584 return unless $filter;
586 send_prot_line($self, $filter, $hops, $isolate, $line)
593 my @dxchan = DXChannel::get_all();
595 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
597 # send it if it isn't the except list and isn't isolated and still has a hop count
598 # taking into account filtering and so on
599 foreach $dxchan (@dxchan) {
600 next if $dxchan == $main::me;
601 next if $dxchan == $self;
603 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
614 if ($self->{wcyfilter}) {
615 ($filter, $hops) = $self->{wcyfilter}->it(@_);
616 return unless $filter;
618 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
625 my $from_pc9x = shift;
627 my @dxchan = DXChannel::get_all();
631 my $text = unpad($_[2]);
634 if ($_[3] eq '*') { # sysops
636 } elsif ($_[3] gt ' ') { # speciality list handling
637 my ($name) = split /\./, $_[3];
638 $target = "$name"; # put the rest in later (if bothered)
645 $target = "ALL" if !$target;
648 # obtain country codes etc
649 my @a = Prefix::cty_data($from);
650 my @b = Prefix::cty_data($_[4]);
651 if ($self->{inannfilter}) {
652 my ($filter, $hops) =
653 $self->{inannfilter}->it(@_, $self->{call},
655 @b[0..2], $a[3], $b[3]);
657 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
662 # the sysop ('*') thing is an attempt to minimise the damage caused by non-updated PC93 generators
663 if (AnnTalk::dup($from, $target, $_[2]) || ($_[3] eq '*' && AnnTalk::dup($from, 'ALL', $_[2]))) {
664 my $dxchan = DXChannel::get($from);
665 if ($self == $main::me && $dxchan && $dxchan->is_user) {
666 if ($dxchan->priv < 5) {
667 $dxchan->send($dxchan->msg('dup'));
671 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
676 Log('ann', $target, $from, $text);
678 # send it if it isn't the except list and isn't isolated and still has a hop count
679 # taking into account filtering and so on
680 foreach $dxchan (@dxchan) {
681 next if $dxchan == $main::me;
682 next if $dxchan == $self && $self->is_node;
683 next if $from_pc9x && $dxchan->{do_pc9x};
684 next if $target eq 'LOCAL' && $dxchan->is_node;
685 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
690 my $msgid = int rand(1000);
695 $msgid = 1 if $msgid > 999;
703 my $from_pc9x = shift;
705 my @dxchan = DXChannel::get_all();
708 my $text = unpad($_[2]);
712 # munge the group and recast the line if required
713 if ($target =~ s/\.LST$//) {
717 # obtain country codes etc
718 my @a = Prefix::cty_data($from);
719 my @b = Prefix::cty_data($_[4]);
720 if ($self->{inannfilter}) {
721 my ($filter, $hops) =
722 $self->{inannfilter}->it(@_, $self->{call},
724 @b[0..2], $a[3], $b[3]);
726 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
731 if (AnnTalk::dup($from, $target, $_[2], $main::systime + $chatdupeage)) {
732 my $dxchan = DXChannel::get($from);
733 if ($self == $main::me && $dxchan && $dxchan->is_user) {
734 if ($dxchan->priv < 5) {
735 $dxchan->send($dxchan->msg('dup'));
739 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
745 Log('chat', $target, $from, $text);
747 # send it if it isn't the except list and isn't isolated and still has a hop count
748 # taking into account filtering and so on
749 foreach $dxchan (@dxchan) {
750 my $is_ak1a = $dxchan->is_ak1a;
752 if ($dxchan->is_node) {
753 next if $dxchan == $main::me;
754 next if $dxchan == $self;
755 next if $from_pc9x && $dxchan->{do_pc9x};
756 next unless $dxchan->is_spider || $is_ak1a;
757 next if $target eq 'LOCAL';
758 if (!$ak1a_line && $is_ak1a) {
759 $ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");
763 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
764 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
778 if ($self->{annfilter}) {
779 ($filter, $hops) = $self->{annfilter}->it(@_);
780 return unless $filter;
782 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
791 sub send_local_config
795 dbg('DXProt::send_local_config') if isdbg('trace');
803 if ($self->{isolate}) {
804 dbg("send_local_config: isolated");
805 @localnodes = ( $main::routeroot );
806 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
807 } elsif ($self->{do_pc9x}) {
808 dbg("send_local_config: doing pc9x");
809 my $node = Route::Node::get($self->{call});
810 $self->send_last_pc92_config($main::routeroot);
811 $self->send(pc92a($main::routeroot, $node)) unless $main::routeroot->last_PC92C =~ /$self->{call}/;
813 # create a list of all the nodes that are not connected to this connection
814 # and are not themselves isolated, this to make sure that isolated nodes
815 # don't appear outside of this node
817 dbg("send_local_config: traditional");
819 # send locally connected nodes
820 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
821 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
822 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
825 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
827 for $node (@rawintcalls) {
828 push @intcalls, $node unless grep $node eq $_, @intcalls;
830 my $ref = Route::Node::get($self->{call});
831 my @rnodes = $ref->nodes;
832 for $node (@intcalls) {
833 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
835 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
838 # get all the users connected on the above nodes and send them out
839 unless ($self->{do_pc9x}) {
840 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
842 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
843 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
845 dbg("sent a null value") if isdbg('chanerr');
851 sub gen_my_pc92_config
855 if ($node->{call} eq $main::mycall) {
856 my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
857 dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
858 my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
859 dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
860 return pc92c($node, @localnodes);
862 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
863 return pc92c($node, @rout);
867 sub send_last_pc92_config
871 if (my $l = $node->last_PC92C) {
874 $self->send_pc92_config($node);
883 dbg('DXProt::send_pc92_config') if isdbg('trace');
885 $node->last_PC92C(gen_my_pc92_config($node));
886 $self->send($node->last_PC92C);
889 sub broadcast_pc92_update
894 dbg("ROUTE: broadcast_pc92_update $call") if isdbg('obscount');
896 my $nref = Route::Node::get($call);
897 my $l = $nref->last_PC92C(gen_my_pc92_config($nref));
898 $main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
899 $self->update_pc92_next($pc92_update_period);
902 sub time_out_pc92_routes
904 my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
906 foreach my $n (@nodes) {
909 if (my $dxchan = DXChannel::get($n->call)) {
910 dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('obscount');
914 my @parents = map {Route::Node::get($_)} $n->parents;
917 dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('obscount');
918 push @rdel, $n->del($_);
922 dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('obscount');
926 $main::me->route_pc21($main::mycall, undef, $_) if $_;
931 # route a message down an appropriate interface for a callsign
933 # is called route(to, pcline);
938 my ($self, $call, $line) = @_;
940 if (ref $self && $call eq $self->{call}) {
941 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
945 # always send it down the local interface if available
946 my $dxchan = DXChannel::get($call);
948 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
950 my $cl = Route::get($call);
951 $dxchan = $cl->dxchan if $cl;
953 if (ref $self && $dxchan eq $self) {
954 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
957 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
961 # try the backstop method
963 my $rcall = RouteDB::get($call);
965 if ($self && $rcall eq $self->{call}) {
966 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
969 $dxchan = DXChannel::get($rcall);
970 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
975 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
977 $dxchan->send($routeit) unless $dxchan == $main::me;
980 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
985 # obtain the hops from the list for this callsign and pc no
991 my $hops = $DXProt::hopcount{$pcno};
992 $hops = $DXProt::def_hopcount if !$hops;
997 # adjust the hop count on a per node basis using the user loadable
998 # hop table if available or else decrement an existing one
1005 my $call = $self->{call};
1008 if (($hops) = $s =~ /\^H(\d+)\^?~?$/o) {
1009 my ($pcno) = $s =~ /^PC(\d\d)/o;
1010 confess "$call called adjust_hops with '$s'" unless $pcno;
1011 my $ref = $nodehops{$call} if %nodehops;
1013 my $newhops = $ref->{$pcno};
1014 return "" if defined $newhops && $newhops == 0;
1015 $newhops = $ref->{default} unless $newhops;
1016 return "" if defined $newhops && $newhops == 0;
1017 $newhops = $hops if !$newhops;
1018 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1030 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1031 do "$main::data/hop_table.pl";
1038 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1039 if ($tonode eq $main::mycall) {
1040 my $ref = DXUser->get_current($fromnode);
1041 my $cref = Route::Node::get($fromnode);
1042 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1043 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1044 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1045 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1046 my $oldpriv = $self->{priv};
1047 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1048 my @in = (DXCommandmode::run_cmd($self, $cmd));
1049 $self->{priv} = $oldpriv;
1050 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1051 delete $self->{remotecmd};
1053 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1056 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1059 my $ref = DXUser->get_current($tonode);
1060 if ($ref && $ref->is_clx) {
1061 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1063 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1068 sub process_rcmd_reply
1070 my ($self, $tonode, $fromnode, $user, $line) = @_;
1071 if ($tonode eq $main::mycall) {
1072 my $s = $rcmds{$fromnode};
1074 my $dxchan = DXChannel::get($s->{call});
1075 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
1076 $ref->send($line) if $ref;
1077 delete $rcmds{$fromnode} if !$dxchan;
1079 # send unsolicited ones to the sysop
1080 my $dxchan = DXChannel::get($main::myalias);
1081 $dxchan->send($line) if $dxchan;
1084 my $ref = DXUser->get_current($tonode);
1085 if ($ref && $ref->is_clx) {
1086 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1088 $self->route($tonode, pc35($fromnode, $tonode, $line));
1097 my $fromnode = shift;
1102 Log('rcmd', 'out', $fromnode, $line);
1103 if ($self->is_clx) {
1104 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1106 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1111 # add a rcmd request to the rcmd queues
1114 my ($self, $to, $cmd) = @_;
1117 $r->{call} = $self->{call};
1118 $r->{t} = $main::systime;
1122 my $ref = Route::Node::get($to);
1123 my $dxchan = $ref->dxchan;
1124 if ($dxchan && $dxchan->is_clx) {
1125 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1127 route(undef, $to, pc34($main::mycall, $to, $cmd));
1134 my $pc39flag = shift;
1135 my $call = $self->call;
1137 return if $self->{disconnecting}++;
1139 unless ($pc39flag && $pc39flag == 1) {
1140 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1143 # get rid of any PC16/17/19
1144 eph_del_regex("^PC1[679]*$call");
1146 # do routing stuff, remove me from routing table
1147 my $node = Route::Node::get($call);
1150 @rout = $node->del($main::routeroot);
1152 # and all my ephemera as well
1155 eph_del_regex("^PC1[679].*$c");
1159 RouteDB::delete_interface($call);
1161 # unbusy and stop and outgoing mail
1162 my $mref = DXMsg::get_busy($call);
1163 $mref->stop_msg($call) if $mref;
1165 # broadcast to all other nodes that all the nodes connected to via me are gone
1166 unless ($pc39flag && $pc39flag == 2) {
1167 $self->route_pc21($main::mycall, undef, @rout) if @rout;
1168 $self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;
1171 # remove outstanding pings
1172 delete $pings{$call};
1174 # I was the last node visited
1175 $self->user->node($main::mycall);
1177 # send info to all logged in thingies
1178 $self->tell_login('logoutn');
1180 Log('DXProt', $call . " Disconnected");
1182 $self->SUPER::disconnect;
1187 # send a talk message to this thingy
1191 my ($self, $from, $to, $via, $line, $origin) = @_;
1193 if ($self->{do_pc9x}) {
1194 $self->send(pc93($to, $from, $via, $line));
1196 $self->send(pc10($from, $to, $via, $line, $origin));
1198 Log('talk', $to, $from, '>' . ($via || $origin || $self->call), $line) unless $origin && $origin ne $main::mycall;
1201 # send it if it isn't the except list and isn't isolated and still has a hop count
1202 # taking into account filtering and so on
1208 my $generate = shift;
1209 my $no = shift; # the no of things to filter on
1211 my ($filter, $hops);
1214 for (; @_ && $no; $no--) {
1217 if (!$self->{isolate} && $self->{routefilter}) {
1220 ($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});
1224 dbg("PCPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('filter');
1227 dbg("was sent a null value") if isdbg('chanerr');
1230 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1234 foreach my $line (&$generate(@rin, @_)) {
1237 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1239 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1240 next unless $routeit;
1243 $self->send($routeit);
1248 # broadcast everywhere
1253 my $generate = shift;
1255 my @dxchan = DXChannel::get_all_nodes();
1259 $line =~ /\^H(\d+)\^?\~?$/;
1260 return unless $1 > 0;
1262 unless ($self->{isolate}) {
1263 foreach $dxchan (@dxchan) {
1264 next if $dxchan == $self || $dxchan == $main::me;
1265 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1266 next unless $dxchan->isa('DXProt');
1268 $dxchan->send_route($origin, $generate, @_);
1273 # broadcast to non-pc9x nodes
1274 sub broadcast_route_nopc9x
1278 my $generate = shift;
1280 my @dxchan = DXChannel::get_all_nodes();
1284 $line =~ /\^H(\d+)\^?\~?$/;
1285 return unless $1 > 0;
1287 unless ($self->{isolate}) {
1288 foreach $dxchan (@dxchan) {
1289 next if $dxchan == $self || $dxchan == $main::me;
1290 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1291 next unless $dxchan->isa('DXProt');
1292 next if $dxchan->{do_pc9x};
1293 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
1295 $dxchan->send_route($origin, $generate, @_);
1300 # this is only used for next door nodes on init
1305 return unless $self->{do_pc9x};
1308 my $generate = shift;
1309 my $no = shift; # the no of things to filter on
1312 $line = &$generate(@_);
1316 # broadcast only to pc9x nodes
1317 sub broadcast_route_pc9x
1321 my $generate = shift;
1324 my @dxchan = DXChannel::get_all_nodes();
1327 if ($origin eq $main::mycall && $generate && !$line) {
1328 $line = &$generate(@_);
1331 $line =~ /\^H(\d+)\^\~?$/;
1332 unless ($1 > 0 && $self->{isolate}) {
1333 foreach $dxchan (@dxchan) {
1334 next if $dxchan == $self || $dxchan == $main::me;
1335 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1336 next unless $dxchan->isa('DXProt');
1337 next unless $dxchan->{do_pc9x};
1339 $dxchan->send($line);
1347 return unless $self->user->wantpc16;
1350 broadcast_route_nopc9x($self, $origin, \&pc16, $line, 1, @_);
1356 return unless $self->user->wantpc16;
1359 broadcast_route_nopc9x($self, $origin, \&pc17, $line, 1, @_);
1367 broadcast_route_nopc9x($self, $origin, \&pc19, $line, scalar @_, @_);
1375 broadcast_route_nopc9x($self, $origin, \&pc21, $line, scalar @_, @_);
1383 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
1391 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
1399 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
1407 broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
1415 broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
1423 broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
1430 my ($filter, $hops) = (1, 1);
1432 if ($self->{inroutefilter}) {
1433 ($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);
1434 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1442 my $t = shift || $eph_restime;
1446 $s =~ s/\^H\d\d?\^?\~?$//;
1447 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1448 $eph{$s} = $main::systime + $t;
1449 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
1457 while (($key, $val) = each %eph) {
1458 if ($key =~ m{$regex}) {
1468 while (($key, $val) = each %eph) {
1469 if ($main::systime >= $val) {
1480 while (($key, $val) = each %eph) {
1481 push @out, $key, $val;
1488 goto &DXCommandmode::run_cmd;
1492 # import any msgs in the chat directory
1493 # the messages are sent to the chat group which forms the
1494 # the first part of the name (eg: solar.1243.txt would be
1495 # sent to chat group SOLAR)
1497 # Each message found is sent: one non-blank line to one chat
1498 # message. So 4 lines = 4 chat messages.
1500 # The special name LOCAL is for local users ANN
1501 # The special name ALL is for ANN/FULL
1502 # The special name SYSOP is for ANN/SYSOP
1506 # are there any to do in this directory?
1507 return unless -d $chatimportfn;
1508 unless (opendir(DIR, $chatimportfn)) {
1509 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
1510 Log('msg', "can\'t open $chatimportfn $!");
1514 my @names = readdir(DIR);
1517 foreach $name (@names) {
1518 next if $name =~ /^\./;
1519 my $splitit = $name =~ /^split/;
1520 my $fn = "$chatimportfn/$name";
1522 unless (open(MSG, $fn)) {
1523 dbg("can\'t open import file $fn $!") if isdbg('msg');
1524 Log('msg', "can\'t open import file $fn $!");
1528 my @msg = map { s/\r?\n$//; $_ } <MSG>;
1532 my @cat = split /\./, $name;
1533 my $target = uc $cat[0];
1535 foreach my $text (@msg) {
1536 next unless $text && $text !~ /^\s*#/;
1537 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP' || $target eq 'WX') {
1538 my $sysop = uc $target eq 'SYSOP' ? '*' : ' ';
1539 my $wx = uc $target eq 'WX' ? '1' : '0';
1541 $via = '*' if $target eq 'ALL' || $target eq 'SYSOP';
1542 Log('ann', $target, $main::mycall, $text);
1543 $main::me->normal(DXProt::pc93($target, $main::mycall, $via, $text));
1545 $main::me->send_chats($target, $text);
1551 # start a pc92 find operation
1556 my $key = "$dxchan->{call}|$target";
1557 if ($pc92_find{$key}) {
1562 # function (not method) to handle pc92 find returns
1563 sub handle_pc92_find_reply
1565 my ($dxchan, $node, $from, $target, $flag, $ms) = @_;
1567 $dxchan->print_pc92_find_reply($node, $target, $flag, $ms) if $dxchan->can('print_pc92_find_return');