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
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 = 60*60; # the period between PC92 C updates
77 $pc92_short_update_period = 15*60; # shorten the update period after a connection
78 %pc92_find = (); # outstanding pc92 find operations
79 $pc92_find_timeout = 30; # maximum time to wait for a reply
80 $pc92_obs_timeout = $pc92_update_period; # the time between obscount countdowns
86 [ qw(i c c m bp bc c) ], # pc10
87 [ qw(i f m d t m c c h) ], # pc11
88 [ qw(i c bm m bm bm p h) ], # pc12
92 undef , # pc16 has to be validated manually
93 [ qw(i c c h) ], # pc17
95 undef , # pc19 has to be validated manually
96 undef , # pc20 no validation
97 [ qw(i c m h) ], # pc21
98 undef , # pc22 no validation
99 [ qw(i d n n n n m c c h) ], # pc23
100 [ qw(i c p h) ], # pc24
101 [ qw(i c c n n) ], # pc25
102 [ qw(i f m d t m c c bc) ], # pc26
103 [ qw(i d n n n n m c c bc) ], # pc27
104 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
105 [ qw(i c c n m) ], # pc29
106 [ qw(i c c n) ], # pc30
107 [ qw(i c c n) ], # pc31
108 [ qw(i c c n) ], # pc32
109 [ qw(i c c n) ], # pc33
110 [ qw(i c c m) ], # pc34
111 [ qw(i c c m) ], # pc35
112 [ qw(i c c m) ], # pc36
113 [ qw(i c c n m) ], # pc37
114 undef, # pc38 not interested
115 [ qw(i c m) ], # pc39
116 [ qw(i c c m p n) ], # pc40
117 [ qw(i c n m h) ], # pc41
118 [ qw(i c c n) ], # pc42
119 undef, # pc43 don't handle it
120 [ qw(i c c n m m c) ], # pc44
121 [ qw(i c c n m) ], # pc45
122 [ qw(i c c n) ], # pc46
125 [ qw(i c m h) ], # pc49
126 [ qw(i c n h) ], # pc50
127 [ qw(i c c n) ], # pc51
149 [ qw(i d n n n n n n m m m c c h) ], # pc73
160 [ qw(i c c c m) ], # pc84
161 [ qw(i c c c m) ], # pc85
166 [ qw(i c n) ], # pc90
169 # use the entry in the check list to check the field list presented
170 # return OK if line NOT in check list (for now)
175 return 0 if $n < 0 || $n > @checklist;
176 my $ref = $checklist[$n];
177 return 0 unless ref $ref;
180 for ($i = 1; $i < @$ref; $i++) {
181 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
182 return 0 unless $act;
183 next if $blank && $_[$i] =~ /^[ \*]$/;
185 return $i unless is_callsign($_[$i]);
186 } elsif ($act eq 'i') {
188 } elsif ($act eq 'm') {
189 return $i unless is_pctext($_[$i]);
190 } elsif ($act eq 'p') {
191 return $i unless is_pcflag($_[$i]);
192 } elsif ($act eq 'f') {
193 return $i unless is_freq($_[$i]);
194 } elsif ($act eq 'n') {
195 return $i unless $_[$i] =~ /^[\d ]+$/;
196 } elsif ($act eq 'h') {
197 return $i unless $_[$i] =~ /^H\d\d?$/;
198 } elsif ($act eq 'd') {
199 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
200 } elsif ($act eq 't') {
201 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
210 my $period = shift || $pc92_update_period;
211 $self->{next_pc92_update} = $main::systime + $period - int rand($period / 4);
216 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
219 my $user = DXUser->get($main::mycall);
220 die "User $main::mycall not setup or disappeared RTFM" unless $user;
222 $myprot_version += $main::version*100;
223 $main::me = DXProt->new($main::mycall, 0, $user);
224 $main::me->{here} = 1;
225 $main::me->{state} = "indifferent";
226 $main::me->{sort} = 'S'; # S for spider
227 $main::me->{priv} = 9;
228 $main::me->{metric} = 0;
229 $main::me->{pingave} = 0;
230 $main::me->{registered} = 1;
231 $main::me->{version} = $main::version;
232 $main::me->{build} = "$main::subversion.$main::build";
233 $main::me->{do_pc9x} = 1;
234 $main::me->update_pc92_next($pc92_update_period);
238 # obtain a new connection this is derived from dxchannel
243 my $self = DXChannel::alloc(@_);
245 # add this node to the table, the values get filled in later
249 # if we have an entry already, then send a PC21 to all connect
250 # old style connections, because we are about to get the real deal
251 if (my $ref = Route::Node::get($call)) {
252 dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
253 my @rout = $ref->delete;
254 $self->route_pc21($main::mycall, undef, @rout) if @rout;
256 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
261 # this is how a pc connection starts (for an incoming connection)
262 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
263 # all the crap that comes between).
266 my ($self, $line, $sort) = @_;
267 my $call = $self->{call};
268 my $user = $self->{user};
271 my $host = $self->{conn}->{peerhost};
272 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
275 Log('DXProt', "$call connected from $host");
277 # remember type of connection
278 $self->{consort} = $line;
279 $self->{outbound} = $sort eq 'O';
280 my $priv = $user->priv;
281 $priv = $user->priv(1) unless $priv;
282 $self->{priv} = $priv; # other clusters can always be 'normal' users
283 $self->{lang} = $user->lang || 'en';
284 $self->{isolate} = $user->{isolate};
285 $self->{consort} = $line; # save the connection type
289 # sort out registration
290 $self->{registered} = 1;
292 # get the output filters
293 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
294 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
295 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
296 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
297 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
300 # get the INPUT filters (these only pertain to Clusters)
301 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
302 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
303 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
304 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
305 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
306 # if there is no route input filter then specify a default one.
307 # obviously this can be changed later by the sysop.
308 if (!$self->{inroutefilter}) {
309 my $dxcc = $self->dxcc;
310 $Route::filterdef->cmd($self, 'route', 'accept', "input by_dxcc $dxcc" );
313 # set unbuffered and no echo
314 $self->send_now('B',"0");
315 $self->send_now('E',"0");
316 $self->conn->echo(0) if $self->conn->can('echo');
318 # ping neighbour node stuff
319 my $ping = $user->pingint;
320 $ping = $pingint unless defined $ping;
321 $self->{pingint} = $ping;
322 $self->{nopings} = $user->nopings || $obscount;
323 $self->{pingtime} = [ ];
324 $self->{pingave} = 999;
325 $self->{metric} ||= 100;
326 $self->{lastping} = $main::systime;
328 # send initialisation string
329 unless ($self->{outbound}) {
333 $self->state('init');
334 $self->{pc50_t} = $main::systime;
336 # send info to all logged in thingies
337 $self->tell_login('loginn');
339 # run a script send the output to the debug file
340 my $script = new Script(lc $call) || new Script('node_default');
341 $script->run($self) if $script;
343 # set next_pc92_update time for this node sooner
344 $self->update_pc92_next($pc92_short_update_period);
348 # send outgoing 'challenge'
358 # This is the normal pcxx despatcher
362 my ($self, $line) = @_;
364 if ($line =~ '^<\w+\s' && $main::do_xml) {
365 DXXml::normal($self, $line);
369 my @field = split /\^/, $line;
370 return unless @field;
372 pop @field if $field[-1] eq '~';
374 # print join(',', @field), "\n";
377 # process PC frames, this will fail unless the frame starts PCnn
378 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
379 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
380 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
384 # check for and dump bad protocol messages
385 my $n = check($pcno, @field);
387 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
391 # modify the hop count here
392 if ($self != $main::me) {
393 if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
397 $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
398 $field[-1] = "H$hops";
402 # send it out for processing
403 my $origin = $self->{call};
405 my $sub = "handle_$pcno";
407 if ($self->can($sub)) {
408 $self->$sub($pcno, $line, $origin, @field);
410 $self->handle_default($pcno, $line, $origin, @field);
415 # This is called from inside the main cluster processing loop and is used
416 # for despatching commands that are doing some long processing job
421 my @dxchan = DXChannel::get_all();
425 # send out a pc50 on EVERY channel all at once
426 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
427 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
432 foreach $dxchan (@dxchan) {
433 next unless $dxchan->is_node;
434 next if $dxchan->handle_xml;
435 next if $dxchan == $main::me;
438 $dxchan->send($pc50s) if $pc50s;
440 # send a ping out on this channel
441 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
442 if ($dxchan->{nopings} <= 0) {
445 DXXml::Ping::add($main::me, $dxchan->call);
446 $dxchan->{nopings} -= 1;
447 $dxchan->{lastping} = $t;
448 $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
452 # send out a PC92 config record if required
453 if ($main::systime >= $dxchan->{next_pc92_update}) {
454 if ($dxchan->{call} eq $main::mycall || !$dxchan->{do_pc9x}) {
455 $dxchan->send_pc92_update($dxchan->{call});
457 $dxchan->update_pc92_next($pc92_update_period);
461 Investigate::process();
465 if ($t - $last10 >= 10) {
471 if ($main::systime >= $pc92_obs_timeout) {
472 time_out_pc92_routes();
473 $pc92_obs_timeout = $main::systime + $pc92_update_period;
479 if ($main::systime - 3600 > $last_hour) {
480 $last_hour = $main::systime;
485 # finish up a pc context
489 # some active measures
497 my @dxchan = DXChannel::get_all();
500 # send it if it isn't the except list and isn't isolated and still has a hop count
501 # taking into account filtering and so on
502 foreach $dxchan (@dxchan) {
503 next if $dxchan == $main::me;
504 next if $dxchan == $self && $self->is_node;
505 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
516 if ($self->{spotsfilter}) {
517 ($filter, $hops) = $self->{spotsfilter}->it(@_);
518 return unless $filter;
520 send_prot_line($self, $filter, $hops, $isolate, $line);
525 my ($self, $filter, $hops, $isolate, $line) = @_;
531 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
533 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
534 return unless $routeit;
537 $self->send($routeit);
539 $self->send($routeit) unless $self->{isolate} || $isolate;
548 my @dxchan = DXChannel::get_all();
550 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
552 # send it if it isn't the except list and isn't isolated and still has a hop count
553 # taking into account filtering and so on
554 foreach $dxchan (@dxchan) {
555 next if $dxchan == $main::me;
556 next if $dxchan == $self && $self->is_node;
560 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
571 if ($self->{wwvfilter}) {
572 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
573 return unless $filter;
575 send_prot_line($self, $filter, $hops, $isolate, $line)
582 my @dxchan = DXChannel::get_all();
584 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
586 # send it if it isn't the except list and isn't isolated and still has a hop count
587 # taking into account filtering and so on
588 foreach $dxchan (@dxchan) {
589 next if $dxchan == $main::me;
590 next if $dxchan == $self;
592 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
603 if ($self->{wcyfilter}) {
604 ($filter, $hops) = $self->{wcyfilter}->it(@_);
605 return unless $filter;
607 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
614 my $from_pc9x = shift;
616 my @dxchan = DXChannel::get_all();
620 my $text = unpad($_[2]);
622 if ($_[3] eq '*') { # sysops
624 } elsif ($_[3] gt ' ') { # speciality list handling
625 my ($name) = split /\./, $_[3];
626 $target = "$name"; # put the rest in later (if bothered)
633 $target = "ALL" if !$target;
636 # obtain country codes etc
637 my @a = Prefix::cty_data($_[0]);
638 my @b = Prefix::cty_data($_[4]);
639 if ($self->{inannfilter}) {
640 my ($filter, $hops) =
641 $self->{inannfilter}->it(@_, $self->{call},
643 @b[0..2], $a[3], $b[3]);
645 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
650 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
651 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
655 Log('ann', $target, $_[0], $text);
657 # send it if it isn't the except list and isn't isolated and still has a hop count
658 # taking into account filtering and so on
659 foreach $dxchan (@dxchan) {
660 next if $dxchan == $main::me;
661 next if $dxchan == $self && $self->is_node;
662 next if $from_pc9x && $dxchan->{do_pc9x};
663 next if $target eq 'LOCAL' && $dxchan->is_node;
664 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
674 $msgid = 1 if $msgid > 999;
682 my $from_pc9x = shift;
684 my @dxchan = DXChannel::get_all();
687 my $text = unpad($_[2]);
690 # munge the group and recast the line if required
691 if ($target =~ s/\.LST$//) {
695 # obtain country codes etc
696 my @a = Prefix::cty_data($_[0]);
697 my @b = Prefix::cty_data($_[4]);
698 if ($self->{inannfilter}) {
699 my ($filter, $hops) =
700 $self->{inannfilter}->it(@_, $self->{call},
702 @b[0..2], $a[3], $b[3]);
704 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
709 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
710 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
715 Log('chat', $target, $_[0], $text);
717 # send it if it isn't the except list and isn't isolated and still has a hop count
718 # taking into account filtering and so on
719 foreach $dxchan (@dxchan) {
720 my $is_ak1a = $dxchan->is_ak1a;
722 if ($dxchan->is_node) {
723 next if $dxchan == $main::me;
724 next if $dxchan == $self;
725 next if $from_pc9x && $dxchan->{do_pc9x};
726 next unless $dxchan->is_spider || $is_ak1a;
727 next if $target eq 'LOCAL';
728 if (!$ak1a_line && $is_ak1a) {
729 $ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");
733 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
734 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
748 if ($self->{annfilter}) {
749 ($filter, $hops) = $self->{annfilter}->it(@_);
750 return unless $filter;
752 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
761 sub send_local_config
765 dbg('DXProt::send_local_config') if isdbg('trace');
773 if ($self->{isolate}) {
774 dbg("send_local_config: isolated");
775 @localnodes = ( $main::routeroot );
776 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
777 } elsif ($self->{do_pc9x}) {
778 dbg("send_local_config: doing pc9x");
779 my $node = Route::Node::get($self->{call});
780 $self->send_last_pc92_config($main::routeroot);
781 $self->send(pc92a($main::routeroot, $node)) unless $main::routeroot->last_PC92C =~ /$self->{call}/;
783 # create a list of all the nodes that are not connected to this connection
784 # and are not themselves isolated, this to make sure that isolated nodes
785 # don't appear outside of this node
787 dbg("send_local_config: traditional");
789 # send locally connected nodes
790 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
791 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
792 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
795 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
797 for $node (@rawintcalls) {
798 push @intcalls, $node unless grep $node eq $_, @intcalls;
800 my $ref = Route::Node::get($self->{call});
801 my @rnodes = $ref->nodes;
802 for $node (@intcalls) {
803 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
805 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
808 # get all the users connected on the above nodes and send them out
809 unless ($self->{do_pc9x}) {
810 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
812 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
813 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
815 dbg("sent a null value") if isdbg('chanerr');
821 sub gen_my_pc92_config
825 if ($node->{call} eq $main::mycall) {
826 my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
827 dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
828 my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
829 dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
830 return pc92c($main::routeroot, @localnodes);
832 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
833 return pc92c($node, @rout);
841 # send 'my' configuration for all channels
842 my $l = gen_my_pc92_config($main::routeroot);
847 sub send_last_pc92_config
851 if (my $l = $node->last_PC92C) {
854 $self->send_pc92_config($node);
863 dbg('DXProt::send_pc92_config') if isdbg('trace');
865 $node->last_PC92C(gen_my_pc92_config($node));
866 $self->send($node->last_PC92C);
874 dbg('DXProt::send_pc92_update') if isdbg('trace');
876 my $l = gen_my_pc92_config(Route::Node::get($call));
877 $main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
880 sub time_out_pc92_routes
882 my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
884 foreach my $n (@nodes) {
887 if (my $dxchan = DXChannel::get($n->call)) {
888 dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('route');
892 my @parents = map {Route::Node::get($_)} $n->parents;
895 dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('route');
896 push @rdel, $n->del($_);
900 dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('route');
904 $main::me->route_pc21($main::mycall, undef, $_) if $_;
909 # route a message down an appropriate interface for a callsign
911 # is called route(to, pcline);
916 my ($self, $call, $line) = @_;
918 if (ref $self && $call eq $self->{call}) {
919 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
923 # always send it down the local interface if available
924 my $dxchan = DXChannel::get($call);
926 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
928 my $cl = Route::get($call);
929 $dxchan = $cl->dxchan if $cl;
931 if (ref $self && $dxchan eq $self) {
932 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
935 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
939 # try the backstop method
941 my $rcall = RouteDB::get($call);
943 if ($self && $rcall eq $self->{call}) {
944 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
947 $dxchan = DXChannel::get($rcall);
948 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
953 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
955 $dxchan->send($routeit) unless $dxchan == $main::me;
958 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
963 # obtain the hops from the list for this callsign and pc no
969 my $hops = $DXProt::hopcount{$pcno};
970 $hops = $DXProt::def_hopcount if !$hops;
975 # adjust the hop count on a per node basis using the user loadable
976 # hop table if available or else decrement an existing one
983 my $call = $self->{call};
986 if (($hops) = $s =~ /\^H(\d+)\^?~?$/o) {
987 my ($pcno) = $s =~ /^PC(\d\d)/o;
988 confess "$call called adjust_hops with '$s'" unless $pcno;
989 my $ref = $nodehops{$call} if %nodehops;
991 my $newhops = $ref->{$pcno};
992 return "" if defined $newhops && $newhops == 0;
993 $newhops = $ref->{default} unless $newhops;
994 return "" if defined $newhops && $newhops == 0;
995 $newhops = $hops if !$newhops;
996 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1008 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1009 do "$main::data/hop_table.pl";
1016 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1017 if ($tonode eq $main::mycall) {
1018 my $ref = DXUser->get_current($fromnode);
1019 my $cref = Route::Node::get($fromnode);
1020 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1021 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1022 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1023 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1024 my $oldpriv = $self->{priv};
1025 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1026 my @in = (DXCommandmode::run_cmd($self, $cmd));
1027 $self->{priv} = $oldpriv;
1028 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1029 delete $self->{remotecmd};
1031 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1034 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1037 my $ref = DXUser->get_current($tonode);
1038 if ($ref && $ref->is_clx) {
1039 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1041 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1046 sub process_rcmd_reply
1048 my ($self, $tonode, $fromnode, $user, $line) = @_;
1049 if ($tonode eq $main::mycall) {
1050 my $s = $rcmds{$fromnode};
1052 my $dxchan = DXChannel::get($s->{call});
1053 my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
1054 $ref->send($line) if $ref;
1055 delete $rcmds{$fromnode} if !$dxchan;
1057 # send unsolicited ones to the sysop
1058 my $dxchan = DXChannel::get($main::myalias);
1059 $dxchan->send($line) if $dxchan;
1062 my $ref = DXUser->get_current($tonode);
1063 if ($ref && $ref->is_clx) {
1064 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1066 $self->route($tonode, pc35($fromnode, $tonode, $line));
1075 my $fromnode = shift;
1080 Log('rcmd', 'out', $fromnode, $line);
1081 if ($self->is_clx) {
1082 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1084 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1089 # add a rcmd request to the rcmd queues
1092 my ($self, $to, $cmd) = @_;
1095 $r->{call} = $self->{call};
1096 $r->{t} = $main::systime;
1100 my $ref = Route::Node::get($to);
1101 my $dxchan = $ref->dxchan;
1102 if ($dxchan && $dxchan->is_clx) {
1103 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1105 route(undef, $to, pc34($main::mycall, $to, $cmd));
1112 my $pc39flag = shift;
1113 my $call = $self->call;
1115 return if $self->{disconnecting}++;
1117 unless ($pc39flag && $pc39flag == 1) {
1118 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1121 # get rid of any PC16/17/19
1122 eph_del_regex("^PC1[679]*$call");
1124 # do routing stuff, remove me from routing table
1125 my $node = Route::Node::get($call);
1128 @rout = $node->del($main::routeroot);
1130 # and all my ephemera as well
1133 eph_del_regex("^PC1[679].*$c");
1137 RouteDB::delete_interface($call);
1139 # unbusy and stop and outgoing mail
1140 my $mref = DXMsg::get_busy($call);
1141 $mref->stop_msg($call) if $mref;
1143 # broadcast to all other nodes that all the nodes connected to via me are gone
1144 unless ($pc39flag && $pc39flag == 2) {
1145 $self->route_pc21($main::mycall, undef, @rout) if @rout;
1146 $self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;
1149 # remove outstanding pings
1150 delete $pings{$call};
1152 # I was the last node visited
1153 $self->user->node($main::mycall);
1155 # send info to all logged in thingies
1156 $self->tell_login('logoutn');
1158 Log('DXProt', $call . " Disconnected");
1160 $self->SUPER::disconnect;
1165 # send a talk message to this thingy
1169 my ($self, $from, $to, $via, $line, $origin) = @_;
1171 if ($self->{do_pc9x}) {
1172 $self->send(pc93($to, $from, $via, $line));
1174 $self->send(pc10($from, $to, $via, $line, $origin));
1176 Log('talk', $to, $from, '>' . ($via || $origin || $self->call), $line) unless $origin && $origin ne $main::mycall;
1179 # send it if it isn't the except list and isn't isolated and still has a hop count
1180 # taking into account filtering and so on
1186 my $generate = shift;
1187 my $no = shift; # the no of things to filter on
1189 my ($filter, $hops);
1192 for (; @_ && $no; $no--) {
1195 if (!$self->{isolate} && $self->{routefilter}) {
1198 ($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});
1202 dbg("PCPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('filter');
1205 dbg("was sent a null value") if isdbg('chanerr');
1208 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1212 foreach my $line (&$generate(@rin, @_)) {
1215 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1217 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1218 next unless $routeit;
1221 $self->send($routeit);
1230 my $generate = shift;
1232 my @dxchan = DXChannel::get_all_nodes();
1236 $line =~ /\^H(\d+)\^?\~?$/;
1237 return unless $1 > 0;
1239 unless ($self->{isolate}) {
1240 foreach $dxchan (@dxchan) {
1241 next if $dxchan == $self;
1242 next if $dxchan == $main::me;
1243 next unless $dxchan->isa('DXProt');
1244 next if $dxchan->{do_pc9x};
1245 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
1247 $dxchan->send_route($origin, $generate, @_);
1252 # this is only used for next door nodes on init
1257 return unless $self->{do_pc9x};
1260 my $generate = shift;
1261 my $no = shift; # the no of things to filter on
1264 $line = &$generate(@_);
1268 sub broadcast_route_pc9x
1272 my $generate = shift;
1275 my @dxchan = DXChannel::get_all_nodes();
1278 if ($origin eq $main::mycall && $generate && !$line) {
1279 $line = &$generate(@_);
1282 $line =~ /\^H(\d+)\^\~?$/;
1283 unless ($1 > 0 && $self->{isolate}) {
1284 foreach $dxchan (@dxchan) {
1285 next if $dxchan == $self || $dxchan == $main::me;
1286 next if $origin eq $dxchan->{call}; # don't route some from this call back again.
1287 next unless $dxchan->{do_pc9x};
1288 next unless $dxchan->isa('DXProt');
1290 $dxchan->send($line);
1298 return unless $self->user->wantpc16;
1301 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
1307 return unless $self->user->wantpc16;
1310 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
1318 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
1326 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
1334 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
1342 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
1350 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
1358 broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
1366 broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
1374 broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
1381 my ($filter, $hops) = (1, 1);
1383 if ($self->{inroutefilter}) {
1384 ($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);
1385 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1393 my $t = shift || $eph_restime;
1397 $s =~ s/\^H\d\d?\^?\~?$//;
1398 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1399 $eph{$s} = $main::systime + $t;
1400 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
1408 while (($key, $val) = each %eph) {
1409 if ($key =~ m{$regex}) {
1419 while (($key, $val) = each %eph) {
1420 if ($main::systime >= $val) {
1431 while (($key, $val) = each %eph) {
1432 push @out, $key, $val;
1439 goto &DXCommandmode::run_cmd;
1443 # import any msgs in the chat directory
1444 # the messages are sent to the chat group which forms the
1445 # the first part of the name (eg: solar.1243.txt would be
1446 # sent to chat group SOLAR)
1448 # Each message found is sent: one non-blank line to one chat
1449 # message. So 4 lines = 4 chat messages.
1451 # The special name LOCAL is for local users ANN
1452 # The special name ALL is for ANN/FULL
1453 # The special name SYSOP is for ANN/SYSOP
1457 # are there any to do in this directory?
1458 return unless -d $chatimportfn;
1459 unless (opendir(DIR, $chatimportfn)) {
1460 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
1461 Log('msg', "can\'t open $chatimportfn $!");
1465 my @names = readdir(DIR);
1468 foreach $name (@names) {
1469 next if $name =~ /^\./;
1470 my $splitit = $name =~ /^split/;
1471 my $fn = "$chatimportfn/$name";
1473 unless (open(MSG, $fn)) {
1474 dbg("can\'t open import file $fn $!") if isdbg('msg');
1475 Log('msg', "can\'t open import file $fn $!");
1479 my @msg = map { s/\r?\n$//; $_ } <MSG>;
1483 my @cat = split /\./, $name;
1484 my $target = uc $cat[0];
1486 foreach my $text (@msg) {
1487 next unless $text && $text !~ /^\s*#/;
1488 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
1489 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
1490 if ($target ne 'LOCAL') {
1491 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
1493 Log('ann', 'LOCAL', $main::mycall, $text);
1494 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
1497 my $msgid = nextchatmsgid();
1498 $text = "#$msgid $text";
1499 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');
1505 # start a pc92 find operation
1510 my $key = "$dxchan->{call}|$target";
1511 if ($pc92_find{$key}) {
1516 # function (not method) to handle pc92 find returns
1517 sub handle_pc92_find_reply
1519 my ($dxchan, $node, $from, $target, $flag, $ms) = @_;
1521 $dxchan->print_pc92_find_reply($node, $target, $flag, $ms) if $dxchan->can('print_pc92_find_return');