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 $last_pc92_update
47 %pc92_find $pc92_find_timeout
50 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
51 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
53 $last_hour = time; # last time I did an hourly periodic update
54 %rcmds = (); # outstanding rcmd requests outbound
55 %nodehops = (); # node specific hop control
56 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
58 $censorpc = 1; # Do a BadWords::check on text fields and reject things
59 # loads of 'bad things'
60 $baddx = new DXHash "baddx";
61 $badspotter = new DXHash "badspotter";
62 $badnode = new DXHash "badnode";
63 $last10 = $last_pc50 = time;
67 $eph_info_restime = 60*60;
68 $eph_pc15_restime = 6*60;
69 $eph_pc34_restime = 30;
72 $chatdupeage = 20 * 60 * 60;
73 $chatimportfn = "$main::root/chat_import";
74 $investigation_int = 12*60*60; # time between checks to see if we can see this node
75 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
76 $pc92_update_period = 30*60; # the period between PC92 C updates
77 $last_pc92_update = time + int rand(180); # the last time a PC92 config update
78 %pc92_find = (); # outstanding pc92 find operations
79 $pc92_find_timeout = 30; # maximum time to wait for a reply
85 [ qw(i c c m bp bc c) ], # pc10
86 [ qw(i f m d t m c c h) ], # pc11
87 [ qw(i c bm m bm bm p h) ], # pc12
91 undef , # pc16 has to be validated manually
92 [ qw(i c c h) ], # pc17
94 undef , # pc19 has to be validated manually
95 undef , # pc20 no validation
96 [ qw(i c m h) ], # pc21
97 undef , # pc22 no validation
98 [ qw(i d n n n n m c c h) ], # pc23
99 [ qw(i c p h) ], # pc24
100 [ qw(i c c n n) ], # pc25
101 [ qw(i f m d t m c c bc) ], # pc26
102 [ qw(i d n n n n m c c bc) ], # pc27
103 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
104 [ qw(i c c n m) ], # pc29
105 [ qw(i c c n) ], # pc30
106 [ qw(i c c n) ], # pc31
107 [ qw(i c c n) ], # pc32
108 [ qw(i c c n) ], # pc33
109 [ qw(i c c m) ], # pc34
110 [ qw(i c c m) ], # pc35
111 [ qw(i c c m) ], # pc36
112 [ qw(i c c n m) ], # pc37
113 undef, # pc38 not interested
114 [ qw(i c m) ], # pc39
115 [ qw(i c c m p n) ], # pc40
116 [ qw(i c n m h) ], # pc41
117 [ qw(i c c n) ], # pc42
118 undef, # pc43 don't handle it
119 [ qw(i c c n m m c) ], # pc44
120 [ qw(i c c n m) ], # pc45
121 [ qw(i c c n) ], # pc46
124 [ qw(i c m h) ], # pc49
125 [ qw(i c n h) ], # pc50
126 [ qw(i c c n) ], # pc51
148 [ qw(i d n n n n n n m m m c c h) ], # pc73
159 [ qw(i c c c m) ], # pc84
160 [ qw(i c c c m) ], # pc85
165 [ qw(i c n) ], # pc90
168 # use the entry in the check list to check the field list presented
169 # return OK if line NOT in check list (for now)
174 return 0 if $n < 0 || $n > @checklist;
175 my $ref = $checklist[$n];
176 return 0 unless ref $ref;
179 for ($i = 1; $i < @$ref; $i++) {
180 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
181 return 0 unless $act;
182 next if $blank && $_[$i] =~ /^[ \*]$/;
184 return $i unless is_callsign($_[$i]);
185 } elsif ($act eq 'i') {
187 } elsif ($act eq 'm') {
188 return $i unless is_pctext($_[$i]);
189 } elsif ($act eq 'p') {
190 return $i unless is_pcflag($_[$i]);
191 } elsif ($act eq 'f') {
192 return $i unless is_freq($_[$i]);
193 } elsif ($act eq 'n') {
194 return $i unless $_[$i] =~ /^[\d ]+$/;
195 } elsif ($act eq 'h') {
196 return $i unless $_[$i] =~ /^H\d\d?$/;
197 } elsif ($act eq 'd') {
198 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
199 } elsif ($act eq 't') {
200 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
208 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
211 my $user = DXUser->get($main::mycall);
212 die "User $main::mycall not setup or disappeared RTFM" unless $user;
214 $myprot_version += $main::version*100;
215 $main::me = DXProt->new($main::mycall, 0, $user);
216 $main::me->{here} = 1;
217 $main::me->{state} = "indifferent";
218 $main::me->{sort} = 'S'; # S for spider
219 $main::me->{priv} = 9;
220 $main::me->{metric} = 0;
221 $main::me->{pingave} = 0;
222 $main::me->{registered} = 1;
223 $main::me->{version} = $main::version;
224 $main::me->{build} = $main::build;
225 $main::me->{do_pc9x} = 1;
229 # obtain a new connection this is derived from dxchannel
234 my $self = DXChannel::alloc(@_);
236 # add this node to the table, the values get filled in later
240 # if we have an entry already, then send a PC21 to all connect
241 # old style connections, because we are about to get the real deal
242 if (my $ref = Route::Node::get($call)) {
243 dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
244 my @rout = $ref->delete;
245 $self->route_pc21($main::mycall, undef, @rout) if @rout;
247 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
252 # this is how a pc connection starts (for an incoming connection)
253 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
254 # all the crap that comes between).
257 my ($self, $line, $sort) = @_;
258 my $call = $self->{call};
259 my $user = $self->{user};
262 my $host = $self->{conn}->{peerhost};
263 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
266 Log('DXProt', "$call connected from $host");
268 # remember type of connection
269 $self->{consort} = $line;
270 $self->{outbound} = $sort eq 'O';
271 my $priv = $user->priv;
272 $priv = $user->priv(1) unless $priv;
273 $self->{priv} = $priv; # other clusters can always be 'normal' users
274 $self->{lang} = $user->lang || 'en';
275 $self->{isolate} = $user->{isolate};
276 $self->{consort} = $line; # save the connection type
280 # sort out registration
281 $self->{registered} = 1;
283 # get the output filters
284 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
285 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
286 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
287 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
288 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
291 # get the INPUT filters (these only pertain to Clusters)
292 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
293 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
294 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
295 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
296 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
298 # set unbuffered and no echo
299 $self->send_now('B',"0");
300 $self->send_now('E',"0");
301 $self->conn->echo(0) if $self->conn->can('echo');
303 # ping neighbour node stuff
304 my $ping = $user->pingint;
305 $ping = $pingint unless defined $ping;
306 $self->{pingint} = $ping;
307 $self->{nopings} = $user->nopings || $obscount;
308 $self->{pingtime} = [ ];
309 $self->{pingave} = 999;
310 $self->{metric} ||= 100;
311 $self->{lastping} = $main::systime;
313 # send initialisation string
314 unless ($self->{outbound}) {
318 $self->state('init');
319 $self->{pc50_t} = $main::systime;
321 # send info to all logged in thingies
322 $self->tell_login('loginn');
324 # run a script send the output to the debug file
325 my $script = new Script(lc $call) || new Script('node_default');
326 $script->run($self) if $script;
330 # send outgoing 'challenge'
340 # This is the normal pcxx despatcher
344 my ($self, $line) = @_;
346 if ($line =~ '^<\w+\s' && $main::do_xml) {
347 DXXml::normal($self, $line);
351 my @field = split /\^/, $line;
352 return unless @field;
354 pop @field if $field[-1] eq '~';
356 # print join(',', @field), "\n";
359 # process PC frames, this will fail unless the frame starts PCnn
360 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
361 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
362 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
366 # check for and dump bad protocol messages
367 my $n = check($pcno, @field);
369 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
373 # modify the hop count here
374 if ($self != $main::me) {
375 if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
379 $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
380 $field[-1] = "H$hops";
384 # send it out for processing
385 my $origin = $self->{call};
387 my $sub = "handle_$pcno";
389 if ($self->can($sub)) {
390 $self->$sub($pcno, $line, $origin, @field);
392 $self->handle_default($pcno, $line, $origin, @field);
397 # This is called from inside the main cluster processing loop and is used
398 # for despatching commands that are doing some long processing job
403 my @dxchan = DXChannel::get_all();
407 # send out a pc50 on EVERY channel all at once
408 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
409 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
414 foreach $dxchan (@dxchan) {
415 next unless $dxchan->is_node;
416 next if $dxchan->handle_xml;
417 next if $dxchan == $main::me;
420 $dxchan->send($pc50s) if $pc50s;
422 # send a ping out on this channel
423 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
424 if ($dxchan->{nopings} <= 0) {
427 DXXml::Ping::add($main::me, $dxchan->call);
428 $dxchan->{nopings} -= 1;
429 $dxchan->{lastping} = $t;
430 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
435 Investigate::process();
439 if ($t - $last10 >= 10) {
445 if ($main::systime >= $last_pc92_update + $pc92_update_period) {
446 dbg("ROUTE: sending pc92 update") if isdbg('route');
448 time_out_pc92_routes();
449 $last_pc92_update = $main::systime + int rand(5*60);
455 if ($main::systime - 3600 > $last_hour) {
456 $last_hour = $main::systime;
461 # finish up a pc context
465 # some active measures
473 my @dxchan = DXChannel::get_all();
476 # send it if it isn't the except list and isn't isolated and still has a hop count
477 # taking into account filtering and so on
478 foreach $dxchan (@dxchan) {
479 next if $dxchan == $main::me;
480 next if $dxchan == $self && $self->is_node;
481 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
492 if ($self->{spotsfilter}) {
493 ($filter, $hops) = $self->{spotsfilter}->it(@_);
494 return unless $filter;
496 send_prot_line($self, $filter, $hops, $isolate, $line);
501 my ($self, $filter, $hops, $isolate, $line) = @_;
507 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
509 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
510 return unless $routeit;
513 $self->send($routeit);
515 $self->send($routeit) unless $self->{isolate} || $isolate;
524 my @dxchan = DXChannel::get_all();
526 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
528 # send it if it isn't the except list and isn't isolated and still has a hop count
529 # taking into account filtering and so on
530 foreach $dxchan (@dxchan) {
531 next if $dxchan == $main::me;
532 next if $dxchan == $self && $self->is_node;
536 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
547 if ($self->{wwvfilter}) {
548 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
549 return unless $filter;
551 send_prot_line($self, $filter, $hops, $isolate, $line)
558 my @dxchan = DXChannel::get_all();
560 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
562 # send it if it isn't the except list and isn't isolated and still has a hop count
563 # taking into account filtering and so on
564 foreach $dxchan (@dxchan) {
565 next if $dxchan == $main::me;
566 next if $dxchan == $self;
568 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
579 if ($self->{wcyfilter}) {
580 ($filter, $hops) = $self->{wcyfilter}->it(@_);
581 return unless $filter;
583 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
590 my $from_pc9x = shift;
592 my @dxchan = DXChannel::get_all();
596 my $text = unpad($_[2]);
598 if ($_[3] eq '*') { # sysops
600 } elsif ($_[3] gt ' ') { # speciality list handling
601 my ($name) = split /\./, $_[3];
602 $target = "$name"; # put the rest in later (if bothered)
609 $target = "ALL" if !$target;
612 # obtain country codes etc
613 my @a = Prefix::cty_data($_[0]);
614 my @b = Prefix::cty_data($_[4]);
615 if ($self->{inannfilter}) {
616 my ($filter, $hops) =
617 $self->{inannfilter}->it(@_, $self->{call},
619 @b[0..2], $a[3], $b[3]);
621 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
626 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
627 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
631 Log('ann', $target, $_[0], $text);
633 # send it if it isn't the except list and isn't isolated and still has a hop count
634 # taking into account filtering and so on
635 foreach $dxchan (@dxchan) {
636 next if $dxchan == $main::me;
637 next if $dxchan == $self && $self->is_node;
638 next if $from_pc9x && $dxchan->{do_pc9x};
639 next if $target eq 'LOCAL' && $dxchan->is_node;
640 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
650 $msgid = 1 if $msgid > 999;
658 my $from_pc9x = shift;
660 my @dxchan = DXChannel::get_all();
663 my $text = unpad($_[2]);
666 # munge the group and recast the line if required
667 if ($target =~ s/\.LST$//) {
671 # obtain country codes etc
672 my @a = Prefix::cty_data($_[0]);
673 my @b = Prefix::cty_data($_[4]);
674 if ($self->{inannfilter}) {
675 my ($filter, $hops) =
676 $self->{inannfilter}->it(@_, $self->{call},
678 @b[0..2], $a[3], $b[3]);
680 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
685 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
686 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
691 Log('chat', $target, $_[0], $text);
693 # send it if it isn't the except list and isn't isolated and still has a hop count
694 # taking into account filtering and so on
695 foreach $dxchan (@dxchan) {
696 my $is_ak1a = $dxchan->is_ak1a;
698 if ($dxchan->is_node) {
699 next if $dxchan == $main::me;
700 next if $dxchan == $self;
701 next if $from_pc9x && $dxchan->{do_pc9x};
702 next unless $dxchan->is_spider || $is_ak1a;
703 next if $target eq 'LOCAL';
704 if (!$ak1a_line && $is_ak1a) {
705 $ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");
709 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
710 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
724 if ($self->{annfilter}) {
725 ($filter, $hops) = $self->{annfilter}->it(@_);
726 return unless $filter;
728 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
737 sub send_local_config
741 dbg('DXProt::send_local_config') if isdbg('trace');
744 if ($self->{do_pc9x}) {
745 $self->send_pc92_config;
752 if ($self->{isolate}) {
753 @localnodes = ( $main::routeroot );
754 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
756 # create a list of all the nodes that are not connected to this connection
757 # and are not themselves isolated, this to make sure that isolated nodes
758 # don't appear outside of this node
760 # send locally connected nodes
761 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
762 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
763 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
766 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
768 for $node (@rawintcalls) {
769 push @intcalls, $node unless grep $node eq $_, @intcalls;
771 my $ref = Route::Node::get($self->{call});
772 my @rnodes = $ref->nodes;
773 for $node (@intcalls) {
774 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
776 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
779 # get all the users connected on the above nodes and send them out
780 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
782 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
783 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
785 dbg("sent a null value") if isdbg('chanerr');
791 sub gen_my_pc92_config
795 if ($node->{call} eq $main::mycall) {
796 my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
797 dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
798 my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
799 dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
800 return pc92c($main::routeroot, @localnodes);
802 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
803 return pc92c($node, @rout);
810 my $with_pc92_nodes = shift;
816 dbg('ROUTE: DXProt::gen_pc92_update start') if isdbg('routelow');
818 # send 'my' configuration for all channels
819 push @lines, gen_my_pc92_config($main::routeroot);
821 if ($with_pc92_nodes) {
822 # send out the configuration of all the directly connected PC92 nodes with current configuration
823 # but with the dates that the last config came in with.
824 @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && $_->{do_pc9x} } DXChannel::get_all_nodes();
825 dbg("ROUTE: pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
826 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;
827 dbg("ROUTE: pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
828 foreach $node (@localnodes) {
829 if ($node && $node->lastid->{92}) {
830 my @rout = map {my $r = Route::get($_); $r ? ($r) : ()} $node->nodes, $node->users;
831 push @lines, gen_pc92_with_time($node->call, 'C', $node->lastid->{92}, @rout);
836 # send the configuration of all the directly connected 'external' nodes that don't handle PC92
837 # out with the 'external' marker on the first node.
838 @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && !$_->{do_pc9x} } DXChannel::get_all_nodes();
839 dbg("ROUTE: non pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
840 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;
841 dbg("ROUTE: non pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
842 foreach $node (@localnodes) {
844 push @lines, gen_my_pc92_config($node);
848 dbg('ROUTE: DXProt::gen_pc92_update end with ' . scalar @lines . ' lines') if isdbg('routelow');
857 dbg('DXProt::send_pc92_config') if isdbg('trace');
859 my @out = $self->gen_pc92_update(1);
861 # send the complete config out on this interface
869 my @out = $main::me->gen_pc92_update(0);
871 # broadcast the lines to all PC92 nodes
873 $main::me->broadcast_route_pc9x($main::mycall, undef, $_, 0);
877 sub time_out_pc92_routes
879 my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
881 foreach my $n (@nodes) {
884 if (my $dxchan = DXChannel::get($n->call)) {
885 dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('route');
889 my @parents = map {Route::Node::get($_)} $n->parents;
892 dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('route');
893 push @rdel, $n->del($_);
897 dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('route');
901 $main::me->route_pc21($main::mycall, undef, $_) if $_;
906 # route a message down an appropriate interface for a callsign
908 # is called route(to, pcline);
913 my ($self, $call, $line) = @_;
915 if (ref $self && $call eq $self->{call}) {
916 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
920 # always send it down the local interface if available
921 my $dxchan = DXChannel::get($call);
923 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
925 my $cl = Route::get($call);
926 $dxchan = $cl->dxchan if $cl;
928 if (ref $self && $dxchan eq $self) {
929 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
932 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
936 # try the backstop method
938 my $rcall = RouteDB::get($call);
940 if ($self && $rcall eq $self->{call}) {
941 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
944 $dxchan = DXChannel::get($rcall);
945 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
950 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
952 $dxchan->send($routeit) unless $dxchan == $main::me;
955 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
960 # obtain the hops from the list for this callsign and pc no
966 my $hops = $DXProt::hopcount{$pcno};
967 $hops = $DXProt::def_hopcount if !$hops;
972 # adjust the hop count on a per node basis using the user loadable
973 # hop table if available or else decrement an existing one
980 my $call = $self->{call};
983 if (($hops) = $s =~ /\^H(\d+)\^?~?$/o) {
984 my ($pcno) = $s =~ /^PC(\d\d)/o;
985 confess "$call called adjust_hops with '$s'" unless $pcno;
986 my $ref = $nodehops{$call} if %nodehops;
988 my $newhops = $ref->{$pcno};
989 return "" if defined $newhops && $newhops == 0;
990 $newhops = $ref->{default} unless $newhops;
991 return "" if defined $newhops && $newhops == 0;
992 $newhops = $hops if !$newhops;
993 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1005 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1006 do "$main::data/hop_table.pl";
1013 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1014 if ($tonode eq $main::mycall) {
1015 my $ref = DXUser->get_current($fromnode);
1016 my $cref = Route::Node::get($fromnode);
1017 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1018 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1019 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1020 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1021 my $oldpriv = $self->{priv};
1022 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1023 my @in = (DXCommandmode::run_cmd($self, $cmd));
1024 $self->{priv} = $oldpriv;
1025 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1026 delete $self->{remotecmd};
1028 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1031 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1034 my $ref = DXUser->get_current($tonode);
1035 if ($ref && $ref->is_clx) {
1036 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1038 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1043 sub process_rcmd_reply
1045 my ($self, $tonode, $fromnode, $user, $line) = @_;
1046 if ($tonode eq $main::mycall) {
1047 my $s = $rcmds{$fromnode};
1049 my $dxchan = DXChannel::get($s->{call});
1050 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
1051 $ref->send($line) if $ref;
1052 delete $rcmds{$fromnode} if !$dxchan;
1054 # send unsolicited ones to the sysop
1055 my $dxchan = DXChannel::get($main::myalias);
1056 $dxchan->send($line) if $dxchan;
1059 my $ref = DXUser->get_current($tonode);
1060 if ($ref && $ref->is_clx) {
1061 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1063 $self->route($tonode, pc35($fromnode, $tonode, $line));
1072 my $fromnode = shift;
1077 Log('rcmd', 'out', $fromnode, $line);
1078 if ($self->is_clx) {
1079 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1081 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1086 # add a rcmd request to the rcmd queues
1089 my ($self, $to, $cmd) = @_;
1092 $r->{call} = $self->{call};
1093 $r->{t} = $main::systime;
1097 my $ref = Route::Node::get($to);
1098 my $dxchan = $ref->dxchan;
1099 if ($dxchan && $dxchan->is_clx) {
1100 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1102 route(undef, $to, pc34($main::mycall, $to, $cmd));
1109 my $pc39flag = shift;
1110 my $call = $self->call;
1112 return if $self->{disconnecting}++;
1114 unless ($pc39flag && $pc39flag == 1) {
1115 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1118 # get rid of any PC16/17/19
1119 eph_del_regex("^PC1[679]*$call");
1121 # do routing stuff, remove me from routing table
1122 my $node = Route::Node::get($call);
1125 @rout = $node->del($main::routeroot);
1127 # and all my ephemera as well
1130 eph_del_regex("^PC1[679].*$c");
1134 RouteDB::delete_interface($call);
1136 # unbusy and stop and outgoing mail
1137 my $mref = DXMsg::get_busy($call);
1138 $mref->stop_msg($call) if $mref;
1140 # broadcast to all other nodes that all the nodes connected to via me are gone
1141 unless ($pc39flag && $pc39flag == 2) {
1142 $self->route_pc21($main::mycall, undef, @rout) if @rout;
1143 $self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;
1146 # remove outstanding pings
1147 delete $pings{$call};
1149 # I was the last node visited
1150 $self->user->node($main::mycall);
1152 # send info to all logged in thingies
1153 $self->tell_login('logoutn');
1155 Log('DXProt', $call . " Disconnected");
1157 $self->SUPER::disconnect;
1162 # send a talk message to this thingy
1166 my ($self, $from, $to, $via, $line, $origin) = @_;
1168 if ($self->{do_pc9x}) {
1169 $self->send(pc93($to, $from, $via, $line));
1171 $self->send(pc10($from, $to, $via, $line, $origin));
1173 Log('talk', $to, $from, '>' . ($via || $origin || $self->call), $line) unless $origin && $origin ne $main::mycall;
1176 # send it if it isn't the except list and isn't isolated and still has a hop count
1177 # taking into account filtering and so on
1183 my $generate = shift;
1184 my $no = shift; # the no of things to filter on
1186 my ($filter, $hops);
1189 for (; @_ && $no; $no--) {
1192 if (!$self->{isolate} && $self->{routefilter}) {
1195 ($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});
1199 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1202 dbg("was sent a null value") if isdbg('chanerr');
1205 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1209 foreach my $line (&$generate(@rin, @_)) {
1212 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1214 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1215 next unless $routeit;
1218 $self->send($routeit);
1227 my $generate = shift;
1229 my @dxchan = DXChannel::get_all_nodes();
1233 $line =~ /\^H(\d+)\^?\~?$/;
1234 return unless $1 > 0;
1236 unless ($self->{isolate}) {
1237 foreach $dxchan (@dxchan) {
1238 next if $dxchan == $self;
1239 next if $dxchan == $main::me;
1240 next unless $dxchan->isa('DXProt');
1241 next if $dxchan->{do_pc9x};
1242 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
1244 $dxchan->send_route($origin, $generate, @_);
1249 # this is only used for next door nodes on init
1254 return unless $self->{do_pc9x};
1257 my $generate = shift;
1258 my $no = shift; # the no of things to filter on
1261 $line = &$generate(@_);
1265 sub broadcast_route_pc9x
1269 my $generate = shift;
1272 my @dxchan = DXChannel::get_all_nodes();
1275 if ($origin eq $main::mycall && $generate && !$line) {
1276 $line = &$generate(@_);
1279 $line =~ /\^H(\d+)\^\~?$/;
1280 unless ($1 > 0 && $self->{isolate}) {
1281 foreach $dxchan (@dxchan) {
1282 next if $dxchan == $self || $dxchan == $main::me;
1283 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1284 next unless $dxchan->{do_pc9x};
1285 next unless $dxchan->isa('DXProt');
1287 $dxchan->send($line);
1295 return unless $self->user->wantpc16;
1298 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
1304 return unless $self->user->wantpc16;
1307 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
1315 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
1323 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
1331 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
1339 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
1347 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
1355 broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
1363 broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
1371 broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
1378 my ($filter, $hops) = (1, 1);
1380 if ($self->{inroutefilter}) {
1381 ($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);
1382 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1390 my $t = shift || $eph_restime;
1394 $s =~ s/\^H\d\d?\^?\~?$//;
1395 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1396 $eph{$s} = $main::systime + $t;
1397 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
1405 while (($key, $val) = each %eph) {
1406 if ($key =~ m{$regex}) {
1416 while (($key, $val) = each %eph) {
1417 if ($main::systime >= $val) {
1428 while (($key, $val) = each %eph) {
1429 push @out, $key, $val;
1436 goto &DXCommandmode::run_cmd;
1440 # import any msgs in the chat directory
1441 # the messages are sent to the chat group which forms the
1442 # the first part of the name (eg: solar.1243.txt would be
1443 # sent to chat group SOLAR)
1445 # Each message found is sent: one non-blank line to one chat
1446 # message. So 4 lines = 4 chat messages.
1448 # The special name LOCAL is for local users ANN
1449 # The special name ALL is for ANN/FULL
1450 # The special name SYSOP is for ANN/SYSOP
1454 # are there any to do in this directory?
1455 return unless -d $chatimportfn;
1456 unless (opendir(DIR, $chatimportfn)) {
1457 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
1458 Log('msg', "can\'t open $chatimportfn $!");
1462 my @names = readdir(DIR);
1465 foreach $name (@names) {
1466 next if $name =~ /^\./;
1467 my $splitit = $name =~ /^split/;
1468 my $fn = "$chatimportfn/$name";
1470 unless (open(MSG, $fn)) {
1471 dbg("can\'t open import file $fn $!") if isdbg('msg');
1472 Log('msg', "can\'t open import file $fn $!");
1476 my @msg = map { s/\r?\n$//; $_ } <MSG>;
1480 my @cat = split /\./, $name;
1481 my $target = uc $cat[0];
1483 foreach my $text (@msg) {
1484 next unless $text && $text !~ /^\s*#/;
1485 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
1486 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
1487 if ($target ne 'LOCAL') {
1488 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
1490 Log('ann', 'LOCAL', $main::mycall, $text);
1491 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
1494 my $msgid = nextchatmsgid();
1495 $text = "#$msgid $text";
1496 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');
1502 # start a pc92 find operation
1507 my $key = "$dxchan->{call}|$target";
1508 if ($pc92_find{$key}) {
1513 # function (not method) to handle pc92 find returns
1514 sub handle_pc92_find_reply
1516 my ($dxchan, $node, $from, $target, $flag, $ms) = @_;
1518 $dxchan->print_pc92_find_reply($node, $target, $flag, $ms) if $dxchan->can('print_pc92_find_return');