3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
40 use vars qw($VERSION $BRANCH);
41 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
42 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
43 $pingint $obscount %pc19list $chatdupeage $chatimportfn
44 $investigation_int $pc19_version $myprot_version
45 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
46 $allowzero $decode_dk0wcy $send_opernam @checklist
47 $eph_pc15_restime $pc92_update_period $last_pc92_update
50 ($VERSION, $BRANCH) = dxver(q$Revision$);
52 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
53 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
55 $last_hour = time; # last time I did an hourly periodic update
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_pc15_restime = 6*60;
71 $eph_pc34_restime = 30;
74 $chatdupeage = 20 * 60 * 60;
75 $chatimportfn = "$main::root/chat_import";
76 $investigation_int = 12*60*60; # time between checks to see if we can see this node
77 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
78 $pc92_update_period = 30*60; # the period between PC92 C updates
79 $last_pc92_update = time + int rand(180); # the last time a PC92 config update
84 [ qw(i c c m bp bc c) ], # pc10
85 [ qw(i f m d t m c c h) ], # pc11
86 [ qw(i c bm m bm bm p h) ], # pc12
90 undef , # pc16 has to be validated manually
91 [ qw(i c c h) ], # pc17
93 undef , # pc19 has to be validated manually
94 undef , # pc20 no validation
95 [ qw(i c m h) ], # pc21
96 undef , # pc22 no validation
97 [ qw(i d n n n n m c c h) ], # pc23
98 [ qw(i c p h) ], # pc24
99 [ qw(i c c n n) ], # pc25
100 [ qw(i f m d t m c c bc) ], # pc26
101 [ qw(i d n n n n m c c bc) ], # pc27
102 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
103 [ qw(i c c n m) ], # pc29
104 [ qw(i c c n) ], # pc30
105 [ qw(i c c n) ], # pc31
106 [ qw(i c c n) ], # pc32
107 [ qw(i c c n) ], # pc33
108 [ qw(i c c m) ], # pc34
109 [ qw(i c c m) ], # pc35
110 [ qw(i c c m) ], # pc36
111 [ qw(i c c n m) ], # pc37
112 undef, # pc38 not interested
113 [ qw(i c m) ], # pc39
114 [ qw(i c c m p n) ], # pc40
115 [ qw(i c n m h) ], # pc41
116 [ qw(i c c n) ], # pc42
117 undef, # pc43 don't handle it
118 [ qw(i c c n m m c) ], # pc44
119 [ qw(i c c n m) ], # pc45
120 [ qw(i c c n) ], # pc46
123 [ qw(i c m h) ], # pc49
124 [ qw(i c n h) ], # pc50
125 [ qw(i c c n) ], # pc51
147 [ qw(i d n n n n n n m m m c c h) ], # pc73
158 [ qw(i c c c m) ], # pc84
159 [ qw(i c c c m) ], # pc85
164 [ qw(i c n) ], # pc90
167 # use the entry in the check list to check the field list presented
168 # return OK if line NOT in check list (for now)
173 return 0 if $n < 0 || $n > @checklist;
174 my $ref = $checklist[$n];
175 return 0 unless ref $ref;
178 for ($i = 1; $i < @$ref; $i++) {
179 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
180 return 0 unless $act;
181 next if $blank && $_[$i] =~ /^[ \*]$/;
183 return $i unless is_callsign($_[$i]);
184 } elsif ($act eq 'i') {
186 } elsif ($act eq 'm') {
187 return $i unless is_pctext($_[$i]);
188 } elsif ($act eq 'p') {
189 return $i unless is_pcflag($_[$i]);
190 } elsif ($act eq 'f') {
191 return $i unless is_freq($_[$i]);
192 } elsif ($act eq 'n') {
193 return $i unless $_[$i] =~ /^[\d ]+$/;
194 } elsif ($act eq 'h') {
195 return $i unless $_[$i] =~ /^H\d\d?$/;
196 } elsif ($act eq 'd') {
197 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
198 } elsif ($act eq 't') {
199 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
207 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
210 my $user = DXUser->get($main::mycall);
211 die "User $main::mycall not setup or disappeared RTFM" unless $user;
213 $myprot_version += $main::version*100;
214 $main::me = DXProt->new($main::mycall, 0, $user);
215 $main::me->{here} = 1;
216 $main::me->{state} = "indifferent";
217 $main::me->{sort} = 'S'; # S for spider
218 $main::me->{priv} = 9;
219 $main::me->{metric} = 0;
220 $main::me->{pingave} = 0;
221 $main::me->{registered} = 1;
222 $main::me->{version} = $main::version;
223 $main::me->{build} = $main::build;
224 $main::me->{do_pc9x} = 1;
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
239 # if we have an entry already, then send a PC21 to all connect
240 # old style connections, because we are about to get the real deal
241 if (my $ref = Route::Node::get($call)) {
242 dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
243 my @rout = $ref->delete;
244 $self->route_pc21($main::mycall, undef, @rout) if @rout;
246 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
251 # this is how a pc connection starts (for an incoming connection)
252 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
253 # all the crap that comes between).
256 my ($self, $line, $sort) = @_;
257 my $call = $self->{call};
258 my $user = $self->{user};
261 my $host = $self->{conn}->{peerhost};
262 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
265 Log('DXProt', "$call connected from $host");
267 # remember type of connection
268 $self->{consort} = $line;
269 $self->{outbound} = $sort eq 'O';
270 my $priv = $user->priv;
271 $priv = $user->priv(1) unless $priv;
272 $self->{priv} = $priv; # other clusters can always be 'normal' users
273 $self->{lang} = $user->lang || 'en';
274 $self->{isolate} = $user->{isolate};
275 $self->{consort} = $line; # save the connection type
279 # sort out registration
280 $self->{registered} = 1;
282 # get the output filters
283 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
284 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
285 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
286 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
287 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
290 # get the INPUT filters (these only pertain to Clusters)
291 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
292 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
293 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
294 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
295 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
297 # set unbuffered and no echo
298 $self->send_now('B',"0");
299 $self->send_now('E',"0");
300 $self->conn->echo(0) if $self->conn->can('echo');
302 # ping neighbour node stuff
303 my $ping = $user->pingint;
304 $ping = $pingint unless defined $ping;
305 $self->{pingint} = $ping;
306 $self->{nopings} = $user->nopings || $obscount;
307 $self->{pingtime} = [ ];
308 $self->{pingave} = 999;
309 $self->{metric} ||= 100;
310 $self->{lastping} = $main::systime;
312 # send initialisation string
313 unless ($self->{outbound}) {
317 $self->state('init');
318 $self->{pc50_t} = $main::systime;
320 # send info to all logged in thingies
321 $self->tell_login('loginn');
323 # run a script send the output to the debug file
324 my $script = new Script(lc $call) || new Script('node_default');
325 $script->run($self) if $script;
329 # send outgoing 'challenge'
339 # This is the normal pcxx despatcher
343 my ($self, $line) = @_;
345 if ($line =~ '^<\w+\s' && $main::do_xml) {
346 DXXml::normal($self, $line);
350 my @field = split /\^/, $line;
351 return unless @field;
353 pop @field if $field[-1] eq '~';
355 # print join(',', @field), "\n";
358 # process PC frames, this will fail unless the frame starts PCnn
359 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
360 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
361 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
365 # check for and dump bad protocol messages
366 my $n = check($pcno, @field);
368 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
372 # modify the hop count here
373 if ($self != $main::me) {
374 if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
378 $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
379 $field[-1] = "H$hops";
383 # send it out for processing
384 my $origin = $self->{call};
386 my $sub = "handle_$pcno";
388 if ($self->can($sub)) {
389 $self->$sub($pcno, $line, $origin, @field);
391 $self->handle_default($pcno, $line, $origin, @field);
396 # This is called from inside the main cluster processing loop and is used
397 # for despatching commands that are doing some long processing job
402 my @dxchan = DXChannel::get_all();
406 # send out a pc50 on EVERY channel all at once
407 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
408 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
413 foreach $dxchan (@dxchan) {
414 next unless $dxchan->is_node;
415 next if $dxchan->handle_xml;
416 next if $dxchan == $main::me;
419 $dxchan->send($pc50s) if $pc50s;
421 # send a ping out on this channel
422 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
423 if ($dxchan->{nopings} <= 0) {
426 DXXml::Ping::add($main::me, $dxchan->call);
427 $dxchan->{nopings} -= 1;
428 $dxchan->{lastping} = $t;
429 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
434 Investigate::process();
437 if ($t - $last10 >= 10) {
443 if ($main::systime >= $last_pc92_update + $pc92_update_period) {
444 dbg("ROUTE: sending pc92 update") if isdbg('route');
446 time_out_pc92_routes();
447 $last_pc92_update = $main::systime + int rand(180);
453 if ($main::systime - 3600 > $last_hour) {
454 $last_hour = $main::systime;
459 # finish up a pc context
463 # some active measures
471 my @dxchan = DXChannel::get_all();
474 # send it if it isn't the except list and isn't isolated and still has a hop count
475 # taking into account filtering and so on
476 foreach $dxchan (@dxchan) {
477 next if $dxchan == $main::me;
478 next if $dxchan == $self && $self->is_node;
479 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
490 if ($self->{spotsfilter}) {
491 ($filter, $hops) = $self->{spotsfilter}->it(@_);
492 return unless $filter;
494 send_prot_line($self, $filter, $hops, $isolate, $line);
499 my ($self, $filter, $hops, $isolate, $line) = @_;
505 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
507 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
508 return unless $routeit;
511 $self->send($routeit);
513 $self->send($routeit) unless $self->{isolate} || $isolate;
522 my @dxchan = DXChannel::get_all();
524 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
526 # send it if it isn't the except list and isn't isolated and still has a hop count
527 # taking into account filtering and so on
528 foreach $dxchan (@dxchan) {
529 next if $dxchan == $main::me;
530 next if $dxchan == $self && $self->is_node;
534 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
545 if ($self->{wwvfilter}) {
546 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
547 return unless $filter;
549 send_prot_line($self, $filter, $hops, $isolate, $line)
556 my @dxchan = DXChannel::get_all();
558 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
560 # send it if it isn't the except list and isn't isolated and still has a hop count
561 # taking into account filtering and so on
562 foreach $dxchan (@dxchan) {
563 next if $dxchan == $main::me;
564 next if $dxchan == $self;
566 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
577 if ($self->{wcyfilter}) {
578 ($filter, $hops) = $self->{wcyfilter}->it(@_);
579 return unless $filter;
581 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
589 my @dxchan = DXChannel::get_all();
593 my $text = unpad($_[2]);
595 if ($_[3] eq '*') { # sysops
597 } elsif ($_[3] gt ' ') { # speciality list handling
598 my ($name) = split /\./, $_[3];
599 $target = "$name"; # put the rest in later (if bothered)
606 $target = "ALL" if !$target;
609 # obtain country codes etc
610 my @a = Prefix::cty_data($_[0]);
611 my @b = Prefix::cty_data($_[4]);
612 if ($self->{inannfilter}) {
613 my ($filter, $hops) =
614 $self->{inannfilter}->it(@_, $self->{call},
616 @b[0..2], $a[3], $b[3]);
618 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
623 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
624 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
628 Log('ann', $target, $_[0], $text);
630 # send it if it isn't the except list and isn't isolated and still has a hop count
631 # taking into account filtering and so on
632 foreach $dxchan (@dxchan) {
633 next if $dxchan == $main::me;
634 next if $dxchan == $self && $self->is_node;
635 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
645 $msgid = 1 if $msgid > 999;
654 my @dxchan = DXChannel::get_all();
657 my $text = unpad($_[2]);
660 # munge the group and recast the line if required
661 if ($target =~ s/\.LST$//) {
665 # obtain country codes etc
666 my @a = Prefix::cty_data($_[0]);
667 my @b = Prefix::cty_data($_[4]);
668 if ($self->{inannfilter}) {
669 my ($filter, $hops) =
670 $self->{inannfilter}->it(@_, $self->{call},
672 @b[0..2], $a[3], $b[3]);
674 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
679 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
680 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
685 Log('chat', $target, $_[0], $text);
687 # send it if it isn't the except list and isn't isolated and still has a hop count
688 # taking into account filtering and so on
689 foreach $dxchan (@dxchan) {
690 my $is_ak1a = $dxchan->is_ak1a;
692 if ($dxchan->is_node) {
693 next if $dxchan == $main::me;
694 next if $dxchan == $self;
695 next unless $dxchan->is_spider || $is_ak1a;
696 next if $target eq 'LOCAL';
697 if (!$ak1a_line && $is_ak1a) {
698 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
702 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
703 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
717 if ($self->{annfilter}) {
718 ($filter, $hops) = $self->{annfilter}->it(@_);
719 return unless $filter;
721 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
730 sub send_local_config
734 dbg('DXProt::send_local_config') if isdbg('trace');
737 if ($self->{do_pc9x}) {
738 $self->send_pc92_config;
745 if ($self->{isolate}) {
746 @localnodes = ( $main::routeroot );
747 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
749 # create a list of all the nodes that are not connected to this connection
750 # and are not themselves isolated, this to make sure that isolated nodes
751 # don't appear outside of this node
753 # send locally connected nodes
754 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
755 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
756 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
759 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
761 for $node (@rawintcalls) {
762 push @intcalls, $node unless grep $node eq $_, @intcalls;
764 my $ref = Route::Node::get($self->{call});
765 my @rnodes = $ref->nodes;
766 for $node (@intcalls) {
767 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
769 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
772 # get all the users connected on the above nodes and send them out
773 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
775 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
776 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
778 dbg("sent a null value") if isdbg('chanerr');
784 sub gen_my_pc92_config
788 if ($node->{call} eq $main::mycall) {
789 my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
790 dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
791 my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
792 dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
793 return pc92c($main::routeroot, @localnodes);
795 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
796 return pc92c($node, @rout);
803 my $with_pc92_nodes = shift;
809 dbg('ROUTE: DXProt::gen_pc92_update start') if isdbg('routelow');
811 # send 'my' configuration for all channels
812 push @lines, gen_my_pc92_config($main::routeroot);
814 if ($with_pc92_nodes) {
815 # send out the configuration of all the directly connected PC92 nodes with current configuration
816 # but with the dates that the last config came in with.
817 @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && $_->{do_pc9x} } DXChannel::get_all_nodes();
818 dbg("ROUTE: pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
819 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;
820 dbg("ROUTE: pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
821 foreach $node (@localnodes) {
822 if ($node && $node->lastid->{92}) {
823 my @rout = map {my $r = Route::get($_); $r ? ($r) : ()} $node->nodes, $node->users;
824 push @lines, gen_pc92_with_time($node->call, 'C', $node->lastid->{92}, @rout);
829 # send the configuration of all the directly connected 'external' nodes that don't handle PC92
830 # out with the 'external' marker on the first node.
831 @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && !$_->{do_pc9x} } DXChannel::get_all_nodes();
832 dbg("ROUTE: non pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
833 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;
834 dbg("ROUTE: non pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
835 foreach $node (@localnodes) {
837 push @lines, gen_my_pc92_config($node);
841 dbg('ROUTE: DXProt::gen_pc92_update end with ' . scalar @lines . ' lines') if isdbg('routelow');
850 dbg('DXProt::send_pc92_config') if isdbg('trace');
852 my @out = $self->gen_pc92_update(1);
854 # send the complete config out on this interface
862 my @out = $main::me->gen_pc92_update(0);
864 # broadcast the lines to all PC92 nodes
866 $main::me->broadcast_route_pc9x($main::mycall, undef, $_, 0);
870 sub time_out_pc92_routes
872 my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
874 foreach my $n (@nodes) {
877 if (my $dxchan = DXChannel::get($n->call)) {
878 dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('route');
882 my @parents = map {Route::Node::get($_)} $n->parents;
885 dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('route');
886 push @rdel, $n->del($_);
890 dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('route');
894 $main::me->route_pc21($main::mycall, undef, $_) if $_;
899 # route a message down an appropriate interface for a callsign
901 # is called route(to, pcline);
906 my ($self, $call, $line) = @_;
908 if (ref $self && $call eq $self->{call}) {
909 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
913 # always send it down the local interface if available
914 my $dxchan = DXChannel::get($call);
916 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
918 my $cl = Route::get($call);
919 $dxchan = $cl->dxchan if $cl;
921 if (ref $self && $dxchan eq $self) {
922 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
925 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
929 # try the backstop method
931 my $rcall = RouteDB::get($call);
933 if ($self && $rcall eq $self->{call}) {
934 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
937 $dxchan = DXChannel::get($rcall);
938 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
943 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
945 $dxchan->send($routeit) unless $dxchan == $main::me;
948 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
953 # obtain the hops from the list for this callsign and pc no
959 my $hops = $DXProt::hopcount{$pcno};
960 $hops = $DXProt::def_hopcount if !$hops;
965 # adjust the hop count on a per node basis using the user loadable
966 # hop table if available or else decrement an existing one
973 my $call = $self->{call};
976 if (($hops) = $s =~ /\^H(\d+)\^?~?$/o) {
977 my ($pcno) = $s =~ /^PC(\d\d)/o;
978 confess "$call called adjust_hops with '$s'" unless $pcno;
979 my $ref = $nodehops{$call} if %nodehops;
981 my $newhops = $ref->{$pcno};
982 return "" if defined $newhops && $newhops == 0;
983 $newhops = $ref->{default} unless $newhops;
984 return "" if defined $newhops && $newhops == 0;
985 $newhops = $hops if !$newhops;
986 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
998 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
999 do "$main::data/hop_table.pl";
1006 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1007 if ($tonode eq $main::mycall) {
1008 my $ref = DXUser->get_current($fromnode);
1009 my $cref = Route::Node::get($fromnode);
1010 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1011 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1012 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1013 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1014 my $oldpriv = $self->{priv};
1015 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1016 my @in = (DXCommandmode::run_cmd($self, $cmd));
1017 $self->{priv} = $oldpriv;
1018 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1019 delete $self->{remotecmd};
1021 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1024 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1027 my $ref = DXUser->get_current($tonode);
1028 if ($ref && $ref->is_clx) {
1029 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1031 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1036 sub process_rcmd_reply
1038 my ($self, $tonode, $fromnode, $user, $line) = @_;
1039 if ($tonode eq $main::mycall) {
1040 my $s = $rcmds{$fromnode};
1042 my $dxchan = DXChannel::get($s->{call});
1043 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
1044 $ref->send($line) if $ref;
1045 delete $rcmds{$fromnode} if !$dxchan;
1047 # send unsolicited ones to the sysop
1048 my $dxchan = DXChannel::get($main::myalias);
1049 $dxchan->send($line) if $dxchan;
1052 my $ref = DXUser->get_current($tonode);
1053 if ($ref && $ref->is_clx) {
1054 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1056 $self->route($tonode, pc35($fromnode, $tonode, $line));
1065 my $fromnode = shift;
1070 Log('rcmd', 'out', $fromnode, $line);
1071 if ($self->is_clx) {
1072 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1074 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1079 # add a rcmd request to the rcmd queues
1082 my ($self, $to, $cmd) = @_;
1085 $r->{call} = $self->{call};
1086 $r->{t} = $main::systime;
1090 my $ref = Route::Node::get($to);
1091 my $dxchan = $ref->dxchan;
1092 if ($dxchan && $dxchan->is_clx) {
1093 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1095 route(undef, $to, pc34($main::mycall, $to, $cmd));
1102 my $pc39flag = shift;
1103 my $call = $self->call;
1105 return if $self->{disconnecting}++;
1107 unless ($pc39flag && $pc39flag == 1) {
1108 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1111 # get rid of any PC16/17/19
1112 eph_del_regex("^PC1[679]*$call");
1114 # do routing stuff, remove me from routing table
1115 my $node = Route::Node::get($call);
1118 @rout = $node->del($main::routeroot);
1120 # and all my ephemera as well
1123 eph_del_regex("^PC1[679].*$c");
1127 RouteDB::delete_interface($call);
1129 # unbusy and stop and outgoing mail
1130 my $mref = DXMsg::get_busy($call);
1131 $mref->stop_msg($call) if $mref;
1133 # broadcast to all other nodes that all the nodes connected to via me are gone
1134 unless ($pc39flag && $pc39flag == 2) {
1135 $self->route_pc21($main::mycall, undef, @rout) if @rout;
1136 $self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;
1139 # remove outstanding pings
1140 delete $pings{$call};
1142 # I was the last node visited
1143 $self->user->node($main::mycall);
1145 # send info to all logged in thingies
1146 $self->tell_login('logoutn');
1148 Log('DXProt', $call . " Disconnected");
1150 $self->SUPER::disconnect;
1155 # send a talk message to this thingy
1159 my ($self, $from, $to, $via, $line, $origin) = @_;
1161 if ($self->{do_pc9x}) {
1162 $self->send(pc93($to, $from, $via, $line));
1164 $self->send(pc10($from, $to, $via, $line, $origin));
1166 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
1169 # send it if it isn't the except list and isn't isolated and still has a hop count
1170 # taking into account filtering and so on
1176 my $generate = shift;
1177 my $no = shift; # the no of things to filter on
1179 my ($filter, $hops);
1182 for (; @_ && $no; $no--) {
1185 if (!$self->{isolate} && $self->{routefilter}) {
1188 ($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});
1192 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1195 dbg("was sent a null value") if isdbg('chanerr');
1198 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1202 foreach my $line (&$generate(@rin, @_)) {
1205 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1207 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1208 next unless $routeit;
1211 $self->send($routeit);
1220 my $generate = shift;
1222 my @dxchan = DXChannel::get_all_nodes();
1226 $line =~ /\^H(\d+)\^?\~?$/;
1227 return unless $1 > 0;
1229 unless ($self->{isolate}) {
1230 foreach $dxchan (@dxchan) {
1231 next if $dxchan == $self;
1232 next if $dxchan == $main::me;
1233 next unless $dxchan->isa('DXProt');
1234 next if $dxchan->{do_pc9x};
1235 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
1237 $dxchan->send_route($origin, $generate, @_);
1242 # this is only used for next door nodes on init
1247 return unless $self->{do_pc9x};
1250 my $generate = shift;
1251 my $no = shift; # the no of things to filter on
1254 $line = &$generate(@_);
1258 sub broadcast_route_pc9x
1262 my $generate = shift;
1265 my @dxchan = DXChannel::get_all_nodes();
1268 if ($origin eq $main::mycall && $generate && !$line) {
1269 $line = &$generate(@_);
1272 $line =~ /\^H(\d+)\^\~?$/;
1273 unless ($1 > 0 && $self->{isolate}) {
1274 foreach $dxchan (@dxchan) {
1275 next if $dxchan == $self || $dxchan == $main::me;
1276 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1277 next unless $dxchan->{do_pc9x};
1278 next unless $dxchan->isa('DXProt');
1280 $dxchan->send($line);
1288 return unless $self->user->wantpc16;
1291 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
1297 return unless $self->user->wantpc16;
1300 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
1308 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
1316 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
1324 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
1332 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
1340 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
1348 broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
1356 broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
1364 broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
1371 my ($filter, $hops) = (1, 1);
1373 if ($self->{inroutefilter}) {
1374 ($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);
1375 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1383 my $t = shift || $eph_restime;
1387 $s =~ s/\^H\d\d?\^?\~?$//;
1388 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1389 $eph{$s} = $main::systime + $t;
1390 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
1398 while (($key, $val) = each %eph) {
1399 if ($key =~ m{$regex}) {
1409 while (($key, $val) = each %eph) {
1410 if ($main::systime >= $val) {
1421 while (($key, $val) = each %eph) {
1422 push @out, $key, $val;
1429 goto &DXCommandmode::run_cmd;
1433 # import any msgs in the chat directory
1434 # the messages are sent to the chat group which forms the
1435 # the first part of the name (eg: solar.1243.txt would be
1436 # sent to chat group SOLAR)
1438 # Each message found is sent: one non-blank line to one chat
1439 # message. So 4 lines = 4 chat messages.
1441 # The special name LOCAL is for local users ANN
1442 # The special name ALL is for ANN/FULL
1443 # The special name SYSOP is for ANN/SYSOP
1447 # are there any to do in this directory?
1448 return unless -d $chatimportfn;
1449 unless (opendir(DIR, $chatimportfn)) {
1450 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
1451 Log('msg', "can\'t open $chatimportfn $!");
1455 my @names = readdir(DIR);
1458 foreach $name (@names) {
1459 next if $name =~ /^\./;
1460 my $splitit = $name =~ /^split/;
1461 my $fn = "$chatimportfn/$name";
1463 unless (open(MSG, $fn)) {
1464 dbg("can\'t open import file $fn $!") if isdbg('msg');
1465 Log('msg', "can\'t open import file $fn $!");
1469 my @msg = map { s/\r?\n$//; $_ } <MSG>;
1473 my @cat = split /\./, $name;
1474 my $target = uc $cat[0];
1476 foreach my $text (@msg) {
1477 next unless $text && $text !~ /^\s*#/;
1478 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
1479 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
1480 if ($target ne 'LOCAL') {
1481 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
1483 Log('ann', 'LOCAL', $main::mycall, $text);
1484 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
1487 my $msgid = nextchatmsgid();
1488 $text = "#$msgid $text";
1489 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');