3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
48 use vars qw($VERSION $BRANCH);
50 main::mkver($VERSION = q$Revision$);
52 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
53 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
54 $pingint $obscount %pc19list $chatdupeage $chatimportfn
55 $investigation_int $pc19_version $myprot_version
56 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
57 $allowzero $decode_dk0wcy $send_opernam @checklist);
59 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
60 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
62 $last_hour = time; # last time I did an hourly periodic update
63 %pings = (); # outstanding ping requests outbound
64 %rcmds = (); # outstanding rcmd requests outbound
65 %nodehops = (); # node specific hop control
66 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
68 $censorpc = 1; # Do a BadWords::check on text fields and reject things
69 # loads of 'bad things'
70 $baddx = new DXHash "baddx";
71 $badspotter = new DXHash "badspotter";
72 $badnode = new DXHash "badnode";
73 $last10 = $last_pc50 = time;
77 $eph_info_restime = 60*60;
78 $eph_pc34_restime = 30;
81 $chatdupeage = 20 * 60 * 60;
82 $chatimportfn = "$main::root/chat_import";
83 $investigation_int = 12*60*60; # time between checks to see if we can see this node
84 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
88 [ qw(i c c m bp bc c) ], # pc10
89 [ qw(i f m d t m c c h) ], # pc11
90 [ qw(i c bm m bm bm p h) ], # pc12
94 undef , # pc16 has to be validated manually
95 [ qw(i c c h) ], # pc17
97 undef , # pc19 has to be validated manually
98 undef , # pc20 no validation
99 [ qw(i c m h) ], # pc21
100 undef , # pc22 no validation
101 [ qw(i d n n n n m c c h) ], # pc23
102 [ qw(i c p h) ], # pc24
103 [ qw(i c c n n) ], # pc25
104 [ qw(i f m d t m c c bc) ], # pc26
105 [ qw(i d n n n n m c c bc) ], # pc27
106 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
107 [ qw(i c c n m) ], # pc29
108 [ qw(i c c n) ], # pc30
109 [ qw(i c c n) ], # pc31
110 [ qw(i c c n) ], # pc32
111 [ qw(i c c n) ], # pc33
112 [ qw(i c c m) ], # pc34
113 [ qw(i c c m) ], # pc35
114 [ qw(i c c m) ], # pc36
115 [ qw(i c c n m) ], # pc37
116 undef, # pc38 not interested
117 [ qw(i c m) ], # pc39
118 [ qw(i c c m p n) ], # pc40
119 [ qw(i c n m h) ], # pc41
120 [ qw(i c c n) ], # pc42
121 undef, # pc43 don't handle it
122 [ qw(i c c n m m c) ], # pc44
123 [ qw(i c c n m) ], # pc45
124 [ qw(i c c n) ], # pc46
127 [ qw(i c m h) ], # pc49
128 [ qw(i c n h) ], # pc50
129 [ qw(i c c n) ], # pc51
151 [ qw(i d n n n n n n m m m c c h) ], # pc73
162 [ qw(i c c c m) ], # pc84
163 [ qw(i c c c m) ], # pc85
168 [ qw(i c n) ], # pc90
171 # use the entry in the check list to check the field list presented
172 # return OK if line NOT in check list (for now)
177 return 0 if $n < 0 || $n > @checklist;
178 my $ref = $checklist[$n];
179 return 0 unless ref $ref;
182 for ($i = 1; $i < @$ref; $i++) {
183 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
184 return 0 unless $act;
185 next if $blank && $_[$i] =~ /^[ \*]$/;
187 return $i unless is_callsign($_[$i]);
188 } elsif ($act eq 'i') {
190 } elsif ($act eq 'm') {
191 return $i unless is_pctext($_[$i]);
192 } elsif ($act eq 'p') {
193 return $i unless is_pcflag($_[$i]);
194 } elsif ($act eq 'f') {
195 return $i unless is_freq($_[$i]);
196 } elsif ($act eq 'n') {
197 return $i unless $_[$i] =~ /^[\d ]+$/;
198 } elsif ($act eq 'h') {
199 return $i unless $_[$i] =~ /^H\d\d?$/;
200 } elsif ($act eq 'd') {
201 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
202 } elsif ($act eq 't') {
203 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
211 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
214 my $user = DXUser->get($main::mycall);
215 die "User $main::mycall not setup or disappeared RTFM" unless $user;
217 $myprot_version += $main::version*100;
218 $main::me = DXProt->new($main::mycall, 0, $user);
219 $main::me->{here} = 1;
220 $main::me->{state} = "indifferent";
221 $main::me->{sort} = 'S'; # S for spider
222 $main::me->{priv} = 9;
223 $main::me->{metric} = 0;
224 $main::me->{pingave} = 0;
225 $main::me->{registered} = 1;
226 $main::me->{version} = 5251 + $main::version;
227 $main::me->{build} = $main::build;
231 # obtain a new connection this is derived from dxchannel
236 my $self = DXChannel::alloc(@_);
238 # add this node to the table, the values get filled in later
241 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
242 my $thing = Thingy::Hello->new(user=>$call);
243 $thing->broadcast($self);
248 # this is how a pc connection starts (for an incoming connection)
249 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
250 # all the crap that comes between).
253 my ($self, $line, $sort) = @_;
254 my $call = $self->{call};
255 my $user = $self->{user};
258 my $host = $self->{conn}->{peerhost} || "unknown";
259 Log('DXProt', "$call connected from $host");
261 # remember type of connection
262 $self->{consort} = $line;
263 $self->{outbound} = $sort eq 'O';
264 my $priv = $user->priv;
265 $priv = $user->priv(1) unless $priv;
266 $self->{priv} = $priv; # other clusters can always be 'normal' users
267 $self->{lang} = $user->lang || 'en';
268 $self->{isolate} = $user->{isolate};
269 $self->{consort} = $line; # save the connection type
273 # sort out registration
274 $self->{registered} = 1;
276 # get the output filters
277 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
278 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
279 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
280 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
281 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
284 # get the INPUT filters (these only pertain to Clusters)
285 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
286 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
287 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
288 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
289 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
291 # set unbuffered and no echo
292 $self->send_now('B',"0");
293 $self->send_now('E',"0");
294 $self->conn->echo(0) if $self->conn->can('echo');
296 # ping neighbour node stuff
297 my $ping = $user->pingint;
298 $ping = $pingint unless defined $ping;
299 $self->{pingint} = $ping;
300 $self->{nopings} = $user->nopings || $obscount;
301 $self->{pingtime} = [ ];
302 $self->{pingave} = 999;
303 $self->{metric} ||= 100;
304 $self->{lastping} = $main::systime;
306 # send initialisation string
307 unless ($self->{outbound}) {
311 $self->state('init');
312 $self->{pc50_t} = $main::systime;
314 # send info to all logged in thingies
315 $self->tell_login('loginn');
317 # run a script send the output to the debug file
318 my $script = new Script(lc $call) || new Script('node_default');
319 $script->run($self) if $script;
323 # send outgoing 'challenge'
334 # This is the normal pcxx despatcher
338 my ($self, $line) = @_;
340 my @field = split /\^/, $line;
341 return unless @field;
343 pop @field if $field[-1] eq '~';
345 # print join(',', @field), "\n";
347 # process PC frames, this will fail unless the frame starts PCnn
348 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
349 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
350 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
354 # check for and dump bad protocol messages
355 my $n = check($pcno, @field);
357 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
361 # decrement any hop fields at this point
362 if ($line =~ /\^H(\d\d?)\^?~?$/) {
365 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
368 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
371 my $origin = $self->{call};
373 my $sub = "handle_$pcno";
375 if ($self->can($sub)) {
376 $self->$sub($pcno, $line, $origin, @field);
378 $self->handle_default($pcno, $line, $origin, @field);
382 # incoming talk commands
391 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
393 # will we allow it at all?
396 if (@bad = BadWords::check($_[3])) {
397 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
402 # is it for me or one of mine?
403 my ($from, $to, $via, $call, $dxchan);
412 # if this is a 'nodx' node then ignore it
413 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
414 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
418 # if this is a 'bad spotter' user then ignore it
420 $nossid =~ s/-\d+$//;
421 if ($badspotter->in($nossid)) {
422 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
426 # if we are converting announces to talk is it a dup?
428 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
429 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
434 # remember a route to this node and also the node on which this user is
435 RouteDB::update($_[6], $origin);
436 # RouteDB::update($to, $_[6]);
438 # it is here and logged on
439 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
440 $dxchan = DXChannel->get($to) unless $dxchan;
441 if ($dxchan && $dxchan->is_user) {
443 $dxchan->talk($from, $to, $via, $_[3]);
447 # is it elsewhere, visible on the cluster via the to address?
448 # note: this discards the via unless the to address is on
451 if ($ref = Route::get($to)) {
452 $vref = Route::Node::get($via) if $via;
453 $vref = undef unless $vref && grep $to eq $_, $vref->users;
454 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
458 # can we see an interface to send it down?
460 # not visible here, send a message of condolence
462 $ref = Route::get($from);
463 $vref = $ref = Route::Node::get($_[6]) unless $ref;
465 $dxchan = $ref->dxchan;
466 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
478 # route 'foreign' pc26s
480 if ($_[7] ne $main::mycall) {
481 $self->route($_[7], $line);
487 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
489 # if this is a 'nodx' node then ignore it
490 if ($badnode->in($_[7])) {
491 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
495 # if this is a 'bad spotter' user then ignore it
497 $nossid =~ s/-\d+$//;
498 if ($badspotter->in($nossid)) {
499 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
503 # convert the date to a unix date
504 my $d = cltounix($_[3], $_[4]);
505 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
506 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
507 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
512 if ($baddx->in($_[2]) || BadWords::check($_[2])) {
513 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
518 $_[5] =~ s/^\s+//; # take any leading blanks off
519 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
520 if ($_[2] =~ /BUST\w*$/) {
521 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
526 if (@bad = BadWords::check($_[5])) {
527 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
533 # RouteDB::update($_[7], $self->{call});
534 # RouteDB::update($_[6], $_[7]);
536 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
538 my $thing = Thingy::Dx->new(origin=>$main::mycall);
539 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
540 $thing->process($self);
542 # this goes after the input filtering, but before the add
543 # so that if it is input filtered, it isn't added to the dup
544 # list. This allows it to come in from a "legitimate" source
546 # @spot at this point contains:-
547 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
548 # then spotted itu, spotted cq, spotters itu, spotters cq
549 # you should be able to route on any of these
552 # fix up qra locators of known users
553 my $user = DXUser->get_current($spot[4]);
555 my $qra = $user->qra;
556 unless ($qra && is_qra($qra)) {
557 my $lat = $user->lat;
558 my $long = $user->long;
559 if (defined $lat && defined $long) {
560 $user->qra(DXBearing::lltoqra($lat, $long));
565 # send a remote command to a distant cluster if it is visible and there is no
566 # qra locator and we havn't done it for a month.
568 unless ($user->qra) {
570 my $to = $user->homenode;
571 my $last = $user->lastoper || 0;
572 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
573 my $cmd = "forward/opernam $spot[4]";
574 # send the rcmd but we aren't interested in the replies...
575 my $dxchan = $node->dxchan;
576 if ($dxchan && $dxchan->is_clx) {
577 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
579 route(undef, $to, pc34($main::mycall, $to, $cmd));
583 $node = Route::Node::get($to);
585 $dxchan = $node->dxchan;
586 if ($dxchan && $dxchan->is_clx) {
587 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
589 route(undef, $to, pc34($main::mycall, $to, $cmd));
593 $user->lastoper($main::systime);
608 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
610 # announce duplicate checking
611 $_[3] =~ s/^\s+//; # remove leading blanks
615 if (@bad = BadWords::check($_[3])) {
616 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
621 # if this is a 'nodx' node then ignore it
622 if ($badnode->in($_[5])) {
623 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
627 # if this is a 'bad spotter' user then ignore it
629 $nossid =~ s/-\d+$//;
630 if ($badspotter->in($nossid)) {
631 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
638 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
639 $self->send_chat($line, @_[1..6]);
640 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
643 # RouteDB::update($_[5], $self->{call});
644 # RouteDB::update($_[1], $_[5]);
646 # ignore something that looks like a chat line coming in with sysop
647 # flag - this is a kludge...
648 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
649 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
653 # here's a bit of fun, convert incoming ann with a callsign in the first word
654 # or one saying 'to <call>' to a talk if we can route to the recipient
656 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
658 my $ref = Route::get($call);
660 $dxchan = $ref->dxchan;
661 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
668 $self->send_announce($line, @_[1..6]);
670 $self->route($_[2], $line);
685 my $newline = "PC16^";
687 # dos I want users from this channel?
688 unless ($self->user->wantpc16) {
689 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
693 if ($ncall eq $main::mycall) {
694 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
699 RouteDB::update($ncall, $origin);
701 # do we believe this call?
702 unless ($ncall eq $origin || $self->is_believed($ncall)) {
703 if (my $ivp = Investigate::get($ncall, $origin)) {
704 $ivp->store_pcxx($pcno,$line,$origin,@_);
706 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
711 if (eph_dup($line)) {
712 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
716 my $parent = Route::Node::get($ncall);
718 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
719 # fix it up in the routing tables and issue it forth before the PC16
722 $dxchan = $parent->dxchan;
723 if ($dxchan && $dxchan ne $self) {
724 dbg("PCPROT: PC16 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
731 for ($i = 2; $i < $#_; $i++) {
732 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
733 next unless $call && $conf && defined $here && is_callsign($call);
734 next if $call eq $main::mycall;
736 eph_del_regex("^PC17\\^$call\\^$ncall");
738 my $flags = $here ? 1 : 0;
739 $rout .= "$flags$call:";
745 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
746 $thing->from_DXProt(t=>'au', $ncall eq $self->{call} ? () : ('n', "1$ncall"), u=>$rout, DXProt=>$line);
747 $thing->process($self);
749 dbg("PCPROT: No usable users") if isdbg('chanerr');
752 dbg("PCPROT: no PC19 seen for $ncall" ) if isdbg('chanerr');
767 eph_del_regex("^PC16\\^$ncall.*$ucall");
769 # do I want users from this channel?
770 unless ($self->user->wantpc16) {
771 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
774 if ($ncall eq $main::mycall) {
775 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
779 RouteDB::delete($ncall, $origin);
781 # do we believe this call?
782 unless ($ncall eq $origin || $self->is_believed($ncall)) {
783 if (my $ivp = Investigate::get($ncall, $origin)) {
784 $ivp->store_pcxx($pcno,$line,$origin,@_);
786 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
791 my $uref = Route::User::get($ucall);
793 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
795 my $parent = Route::Node::get($ncall);
797 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
800 $dxchan = $parent->dxchan if $parent;
801 if ($dxchan && $dxchan ne $self) {
802 dbg("PCPROT: PC17 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
806 if (eph_dup($line)) {
807 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
811 $uref = Route->new($ucall) unless $uref; # throw away
812 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
813 $thing->from_DXProt(t=>'du', $ncall eq $self->{call} ? () : ('n', "1$ncall"), u=>"1$ucall", DXProt=>$line);
814 $thing->process($self);
824 $self->state('init');
826 # record the type and version offered
827 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
828 $self->version(52.51 + $1);
829 $self->user->version(52.51 + $1);
830 $self->build(0 + $2);
831 $self->user->build(0 + $2);
832 unless ($self->is_spider) {
833 $self->user->sort('S');
838 $self->version(50.0);
839 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
840 $self->user->version($self->version);
843 # first clear out any nodes on this dxchannel
844 my $parent = Route::Node::get($origin);
845 my @rout = $parent->del_nodes;
846 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
847 $self->send_local_config();
851 # incoming cluster list
860 my $newline = "PC19^";
865 # first get the INTERFACE node
866 my $parent = Route::Node::get($origin);
868 dbg("DXPROT: my parent $origin has disappeared");
873 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
874 if ($origin ne $self->call) {
875 my $op = Route::Node::get($origin);
877 $op = $parent->add($origin, 5000, Route::here(1));
878 my $user = DXUser->get_current($origin);
880 $user = DXUser->new($origin);
881 $user->priv(1); # I have relented and defaulted nodes
883 $user->homenode($origin);
884 $user->node($origin);
885 $user->wantroutepc19(1);
887 $user->sort('A') unless $user->is_node;
894 for ($i = 1; $i < $#_-1; $i += 4) {
896 my $call = uc $_[$i+1];
899 next unless defined $here && defined $conf && is_callsign($call);
901 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
903 # check for sane parameters
904 # $ver = 5000 if $ver eq '0000';
905 next if $ver < 5000; # only works with version 5 software
906 next if length $call < 3; # min 3 letter callsigns
907 next if $call eq $main::mycall;
909 # check that this PC19 isn't trying to alter the wrong dxchan
910 my $dxchan = DXChannel->get($call);
911 if ($dxchan && $dxchan != $self) {
912 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
916 # add this station to the user database, if required (don't remove SSID from nodes)
917 my $user = DXUser->get_current($call);
919 $user = DXUser->new($call);
920 $user->priv(1); # I have relented and defaulted nodes
922 $user->homenode($call);
925 $user->sort('A') unless $user->is_node;
927 RouteDB::update($call, $origin);
929 # do we believe this call?
930 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
931 unless ($call eq $origin || $self->is_believed($call)) {
932 my $pt = $user->lastping($origin) || 0;
933 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $origin)) {
934 my $ivp = Investigate->new($call, $origin);
937 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
939 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
945 if (eph_dup($genline)) {
946 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
950 my $r = Route::Node::get($call);
951 my $flags = Route::here($here)|Route::conf($conf);
953 # modify the routing table if it is in it, otherwise store it in the pc19list for now
956 if ($call ne $parent->call) {
957 if ($self->in_filter_route($r)) {
958 $ar = $parent->add($call, $ver, $flags);
959 push @rout, $ar if $ar;
964 if ($r->version ne $ver || $r->flags != $flags) {
967 push @rout, $r unless $ar;
971 # if he is directly connected or allowed then add him, otherwise store him up for later
972 if ($call eq $origin || $user->wantroutepc19) {
973 my $new = Route->new($call); # throw away
974 if ($self->in_filter_route($new)) {
975 my $ar = $parent->add($call, $ver, $flags);
976 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
977 push @rout, $ar if $ar;
982 $pc19list{$call} = [] unless exists $pc19list{$call};
983 my $nl = $pc19list{$call};
984 push @{$pc19list{$call}}, [$origin, $ver, $flags] unless grep $_->[0] eq $origin, @$nl;
988 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
989 my $mref = DXMsg::get_busy($call);
990 $mref->stop_msg($call) if $mref;
992 $user->lastin($main::systime) unless DXChannel->get($call);
997 $self->route_pc19($origin, $line, @rout) if @rout;
1000 # send local configuration
1007 $self->send_local_config();
1008 $self->send(pc22());
1009 $self->state('normal');
1010 $self->{lastping} = 0;
1013 # delete a cluster from the list
1020 my $call = uc $_[1];
1022 eph_del_regex("^PC1[679].*$call");
1024 # if I get a PC21 from the same callsign as self then treat it
1025 # as a PC39: I have gone away
1026 if ($call eq $self->call) {
1027 $self->disconnect(1);
1031 RouteDB::delete($call, $origin);
1033 # check if we believe this
1034 unless ($call eq $origin || $self->is_believed($call)) {
1035 if (my $ivp = Investigate::get($call, $origin)) {
1036 $ivp->store_pcxx($pcno,$line,$origin,@_);
1038 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1043 # check to see if we are in the pc19list, if we are then don't bother with any of
1044 # this routing table manipulation, just remove it from the list and dump it
1046 if (my $nl = $pc19list{$call}) {
1047 $pc19list{$call} = [ grep {$_->[0] ne $origin} @$nl ];
1048 delete $pc19list{$call} unless @{$pc19list{$call}};
1051 my $parent = Route::Node::get($origin);
1053 dbg("DXPROT: my parent $origin has disappeared");
1057 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1058 my $node = Route::Node::get($call);
1061 my $dxchan = DXChannel->get($call);
1062 if ($dxchan && $dxchan != $self) {
1063 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1068 return unless $self->in_filter_route($node);
1071 push @rout, $node->del($parent);
1074 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1079 $self->route_pc21($origin, $line, @rout) if @rout;
1089 $self->state('normal');
1090 $self->{lastping} = 0;
1101 # route foreign' pc27s
1103 if ($_[8] ne $main::mycall) {
1104 $self->route($_[8], $line);
1109 # only do a rspf check on PC23 (not 27)
1111 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1115 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1116 my $sfi = unpad($_[3]);
1117 my $k = unpad($_[4]);
1118 my $i = unpad($_[5]);
1119 my ($r) = $_[6] =~ /R=(\d+)/;
1121 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1122 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1125 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1126 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1129 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1131 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1135 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1137 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1140 # DON'T be silly and send on PC27s!
1141 return if $pcno == 27;
1143 # broadcast to the eager world
1144 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1154 my $call = uc $_[1];
1156 $nref = Route::Node::get($call);
1157 $uref = Route::User::get($call);
1158 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1160 if (eph_dup($line)) {
1161 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1165 $nref->here($_[2]) if $nref;
1166 $uref->here($_[2]) if $uref;
1167 my $ref = $nref || $uref;
1168 return unless $self->in_filter_route($ref);
1170 $self->route_pc24($origin, $line, $ref, $_[3]);
1180 if ($_[1] ne $main::mycall) {
1181 $self->route($_[1], $line);
1184 if ($_[2] eq $main::mycall) {
1185 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1189 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1193 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1196 $self->send(pc26(@{$in}[0..4], $_[2]));
1202 my @in = reverse Geomag::search(0, $_[4], time, 1);
1205 $self->send(pc27(@{$in}[0..5], $_[2]));
1210 sub handle_26 {goto &handle_11}
1211 sub handle_27 {goto &handle_23}
1213 # mail/file handling
1220 if ($_[1] eq $main::mycall) {
1222 my $sub = "DXMsg::handle_$pcno";
1225 $self->route($_[1], $line) unless $self->is_clx;
1229 sub handle_29 {goto &handle_28}
1230 sub handle_30 {goto &handle_28}
1231 sub handle_31 {goto &handle_28}
1232 sub handle_32 {goto &handle_28}
1233 sub handle_33 {goto &handle_28}
1241 if (eph_dup($line, $eph_pc34_restime)) {
1242 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1244 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1248 # remote command replies
1255 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1256 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1259 sub handle_36 {goto &handle_34}
1268 if ($_[1] eq $main::mycall) {
1270 my $sub = "DXDb::handle_$pcno";
1273 $self->route($_[1], $line) unless $self->is_clx;
1277 # node connected list from neighbour
1286 # incoming disconnect
1293 if ($_[1] eq $origin) {
1294 $self->disconnect(1);
1296 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1300 sub handle_40 {goto &handle_28}
1312 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1313 if (eph_dup($l, $eph_info_restime)) {
1314 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1318 # input filter if required
1319 # my $ref = Route::get($call) || Route->new($call);
1320 # return unless $self->in_filter_route($ref);
1322 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1323 dbg('PCPROT: invalid value') if isdbg('chanerr');
1327 # add this station to the user database, if required
1328 my $user = DXUser->get_current($call);
1329 $user = DXUser->new($call) unless $user;
1333 } elsif ($_[2] == 2) {
1335 } elsif ($_[2] == 3) {
1336 if (is_latlong($_[3])) {
1337 my ($lat, $long) = DXBearing::stoll($_[3]);
1340 $user->qra(DXBearing::lltoqra($lat, $long));
1342 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1345 } elsif ($_[2] == 4) {
1346 $user->homenode($_[3]);
1347 } elsif ($_[2] == 5) {
1348 if (is_qra(uc $_[3])) {
1349 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1352 $user->qra(uc $_[3]);
1354 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1358 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1361 unless ($self->{isolate}) {
1362 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1365 # perhaps this IS what we want after all
1366 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1369 sub handle_42 {goto &handle_28}
1373 sub handle_44 {goto &handle_37}
1374 sub handle_45 {goto &handle_37}
1375 sub handle_46 {goto &handle_37}
1376 sub handle_47 {goto &handle_37}
1377 sub handle_48 {goto &handle_37}
1379 # message and database
1387 if (eph_dup($line)) {
1388 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1392 if ($_[1] eq $main::mycall) {
1393 DXMsg::handle_49($self, @_);
1395 $self->route($_[1], $line) unless $self->is_clx;
1399 # keep alive/user list
1409 RouteDB::update($call, $origin);
1411 my $node = Route::Node::get($call);
1413 return unless $node->call eq $origin;
1414 $node->usercount($_[2]);
1416 # input filter if required
1417 return unless $self->in_filter_route($node);
1419 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1423 # incoming ping requests/answers
1436 if ($to eq $main::mycall) {
1438 $self->send(pc51($from, $to, '0'));
1440 # it's a reply, look in the ping list for this one
1441 my $ref = $pings{$from};
1443 my $tochan = DXChannel->get($from);
1445 my $r = shift @$ref;
1446 my $dxchan = DXChannel->get($r->{call});
1447 next unless $dxchan;
1448 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1449 if ($dxchan->is_user) {
1450 my $s = sprintf "%.2f", $t;
1451 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1452 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1453 } elsif ($dxchan->is_node) {
1455 my $nopings = $tochan->user->nopings || $obscount;
1456 push @{$tochan->{pingtime}}, $t;
1457 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1459 # cope with a missed ping, this means you must set the pingint large enough
1460 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1461 $t -= $tochan->{pingint};
1464 # calc smoothed RTT a la TCP
1465 if (@{$tochan->{pingtime}} == 1) {
1466 $tochan->{pingave} = $t;
1468 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1470 $tochan->{nopings} = $nopings; # pump up the timer
1471 if (my $ivp = Investigate::get($from, $origin)) {
1474 } elsif (my $rref = Route::Node::get($r->{call})) {
1475 if (my $ivp = Investigate::get($from, $origin)) {
1485 RouteDB::update($from, $origin);
1487 if (eph_dup($line)) {
1488 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1491 # route down an appropriate thingy
1492 $self->route($to, $line);
1496 # dunno but route it
1504 if ($call ne $main::mycall) {
1505 $self->route($call, $line);
1519 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1520 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1521 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1524 @_ = map { unpad($_) } @_;
1526 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1530 my $wcy = WCY::update($d, @_[2..12]);
1534 $rep = Local::wcy($self, @_[1..12]);
1536 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1539 # broadcast to the eager world
1540 send_wcy_spot($self, $line, $d, @_[2..12]);
1543 # remote commands (incoming)
1550 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1553 # remote command replies
1560 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1563 # if get here then rebroadcast the thing with its Hop count decremented (if
1564 # there is one). If it has a hop count and it decrements to zero then don't
1567 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1578 if (eph_dup($line)) {
1579 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1581 unless ($self->{isolate}) {
1582 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1588 # This is called from inside the main cluster processing loop and is used
1589 # for despatching commands that are doing some long processing job
1594 my @dxchan = DXChannel->get_all();
1598 # send out a pc50 on EVERY channel all at once
1599 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1600 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1605 foreach $dxchan (@dxchan) {
1606 next unless $dxchan->is_node();
1607 next if $dxchan == $main::me;
1610 $dxchan->send($pc50s) if $pc50s;
1612 # send a ping out on this channel
1613 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1614 if ($dxchan->{nopings} <= 0) {
1615 $dxchan->disconnect;
1617 addping($main::mycall, $dxchan->call);
1618 $dxchan->{nopings} -= 1;
1619 $dxchan->{lastping} = $t;
1624 Investigate::process();
1627 if ($t - $last10 >= 10) {
1628 # clean out ephemera
1637 if ($main::systime - 3600 > $last_hour) {
1638 $last_hour = $main::systime;
1643 # finish up a pc context
1647 # some active measures
1653 my ($self, $filter, $hops, $isolate, $line) = @_;
1659 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1661 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1662 return unless $routeit;
1665 $self->send($routeit);
1667 $self->send($routeit) unless $self->{isolate} || $isolate;
1676 my @dxchan = DXChannel->get_all();
1678 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1680 # send it if it isn't the except list and isn't isolated and still has a hop count
1681 # taking into account filtering and so on
1682 foreach $dxchan (@dxchan) {
1683 next if $dxchan == $main::me;
1684 next if $dxchan == $self && $self->is_node;
1686 my ($filter, $hops);
1688 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1696 my $isolate = shift;
1697 my ($filter, $hops);
1699 if ($self->{wwvfilter}) {
1700 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1701 return unless $filter;
1703 send_prot_line($self, $filter, $hops, $isolate, $line)
1710 my @dxchan = DXChannel->get_all();
1712 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1714 # send it if it isn't the except list and isn't isolated and still has a hop count
1715 # taking into account filtering and so on
1716 foreach $dxchan (@dxchan) {
1717 next if $dxchan == $main::me;
1718 next if $dxchan == $self;
1720 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1728 my $isolate = shift;
1729 my ($filter, $hops);
1731 if ($self->{wcyfilter}) {
1732 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1733 return unless $filter;
1735 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1743 my @dxchan = DXChannel->get_all();
1747 my $text = unpad($_[2]);
1749 if ($_[3] eq '*') { # sysops
1751 } elsif ($_[3] gt ' ') { # speciality list handling
1752 my ($name) = split /\./, $_[3];
1753 $target = "$name"; # put the rest in later (if bothered)
1760 $target = "ALL" if !$target;
1763 # obtain country codes etc
1764 my @a = Prefix::cty_data($_[0]);
1765 my @b = Prefix::cty_data($_[4]);
1766 if ($self->{inannfilter}) {
1767 my ($filter, $hops) =
1768 $self->{inannfilter}->it(@_, $self->{call},
1770 @b[0..2], $a[3], $b[3]);
1772 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1777 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1778 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1782 Log('ann', $target, $_[0], $text);
1784 # send it if it isn't the except list and isn't isolated and still has a hop count
1785 # taking into account filtering and so on
1786 foreach $dxchan (@dxchan) {
1787 next if $dxchan == $main::me;
1788 next if $dxchan == $self && $self->is_node;
1789 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1790 @a[0..2], @b[0..2]);
1799 $msgid = 1 if $msgid > 999;
1808 my @dxchan = DXChannel->get_all();
1811 my $text = unpad($_[2]);
1814 # munge the group and recast the line if required
1815 if ($target =~ s/\.LST$//) {
1819 # obtain country codes etc
1820 my @a = Prefix::cty_data($_[0]);
1821 my @b = Prefix::cty_data($_[4]);
1822 if ($self->{inannfilter}) {
1823 my ($filter, $hops) =
1824 $self->{inannfilter}->it(@_, $self->{call},
1826 @b[0..2], $a[3], $b[3]);
1828 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1833 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1834 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1839 Log('chat', $target, $_[0], $text);
1841 # send it if it isn't the except list and isn't isolated and still has a hop count
1842 # taking into account filtering and so on
1843 foreach $dxchan (@dxchan) {
1844 my $is_ak1a = $dxchan->is_ak1a;
1846 if ($dxchan->is_node) {
1847 next if $dxchan == $main::me;
1848 next if $dxchan == $self;
1849 next unless $dxchan->is_spider || $is_ak1a;
1850 next if $target eq 'LOCAL';
1851 if (!$ak1a_line && $is_ak1a) {
1852 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1856 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1857 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1865 my $isolate = shift;
1869 my ($filter, $hops);
1871 if ($self->{annfilter}) {
1872 ($filter, $hops) = $self->{annfilter}->it(@_);
1873 return unless $filter;
1875 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1884 sub send_local_config
1892 dbg('DXProt::send_local_config') if isdbg('trace');
1895 if ($self->{isolate}) {
1896 @localnodes = ( $main::routeroot );
1897 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1899 # create a list of all the nodes that are not connected to this connection
1900 # and are not themselves isolated, this to make sure that isolated nodes
1901 # don't appear outside of this node
1903 # send locally connected nodes
1904 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1905 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1906 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1909 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1911 for $node (@rawintcalls) {
1912 push @intcalls, $node unless grep $node eq $_, @intcalls;
1914 my $ref = Route::Node::get($self->{call});
1915 my @rnodes = $ref->nodes;
1916 for $node (@intcalls) {
1917 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1919 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1922 # get all the users connected on the above nodes and send them out
1923 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1925 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1926 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1928 dbg("sent a null value") if isdbg('chanerr');
1934 # route a message down an appropriate interface for a callsign
1936 # is called route(to, pcline);
1941 my ($self, $call, $line) = @_;
1943 if (ref $self && $call eq $self->{call}) {
1944 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1948 # always send it down the local interface if available
1949 my $dxchan = DXChannel->get($call);
1951 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
1953 my $cl = Route::get($call);
1954 $dxchan = $cl->dxchan if $cl;
1956 if (ref $self && $dxchan eq $self) {
1957 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1960 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
1964 # try the backstop method
1966 my $rcall = RouteDB::get($call);
1968 if ($self && $rcall eq $self->{call}) {
1969 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1972 $dxchan = DXChannel->get($rcall);
1973 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
1978 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1980 $dxchan->send($routeit) unless $dxchan == $main::me;
1983 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1988 # obtain the hops from the list for this callsign and pc no
1994 my $hops = $DXProt::hopcount{$pcno};
1995 $hops = $DXProt::def_hopcount if !$hops;
2000 # adjust the hop count on a per node basis using the user loadable
2001 # hop table if available or else decrement an existing one
2008 my $call = $self->{call};
2011 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2012 my ($pcno) = $s =~ /^PC(\d\d)/o;
2013 confess "$call called adjust_hops with '$s'" unless $pcno;
2014 my $ref = $nodehops{$call} if %nodehops;
2016 my $newhops = $ref->{$pcno};
2017 return "" if defined $newhops && $newhops == 0;
2018 $newhops = $ref->{default} unless $newhops;
2019 return "" if defined $newhops && $newhops == 0;
2020 $newhops = $hops if !$newhops;
2021 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2023 # simply decrement it
2024 # $hops--; this is done on receipt now
2025 return "" if !$hops;
2026 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2038 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2039 do "$main::data/hop_table.pl";
2045 # add a ping request to the ping queues
2048 my ($from, $to, $via) = @_;
2049 my $ref = $pings{$to} || [];
2052 $r->{t} = [ gettimeofday ];
2053 if ($via && (my $dxchan = DXChannel->get($via))) {
2054 $dxchan->send(pc51($to, $main::mycall, 1));
2056 route(undef, $to, pc51($to, $main::mycall, 1));
2060 my $u = DXUser->get_current($to);
2062 $u->lastping(($via || $from), $main::systime);
2069 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2070 if ($tonode eq $main::mycall) {
2071 my $ref = DXUser->get_current($fromnode);
2072 my $cref = Route::Node::get($fromnode);
2073 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2074 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2075 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2076 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2077 my $oldpriv = $self->{priv};
2078 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2079 my @in = (DXCommandmode::run_cmd($self, $cmd));
2080 $self->{priv} = $oldpriv;
2081 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2082 delete $self->{remotecmd};
2084 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2087 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2090 my $ref = DXUser->get_current($tonode);
2091 if ($ref && $ref->is_clx) {
2092 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2094 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2099 sub process_rcmd_reply
2101 my ($self, $tonode, $fromnode, $user, $line) = @_;
2102 if ($tonode eq $main::mycall) {
2103 my $s = $rcmds{$fromnode};
2105 my $dxchan = DXChannel->get($s->{call});
2106 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2107 $ref->send($line) if $ref;
2108 delete $rcmds{$fromnode} if !$dxchan;
2110 # send unsolicited ones to the sysop
2111 my $dxchan = DXChannel->get($main::myalias);
2112 $dxchan->send($line) if $dxchan;
2115 my $ref = DXUser->get_current($tonode);
2116 if ($ref && $ref->is_clx) {
2117 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2119 $self->route($tonode, pc35($fromnode, $tonode, $line));
2128 my $fromnode = shift;
2133 Log('rcmd', 'out', $fromnode, $line);
2134 if ($self->is_clx) {
2135 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2137 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2142 # add a rcmd request to the rcmd queues
2145 my ($self, $to, $cmd) = @_;
2148 $r->{call} = $self->{call};
2149 $r->{t} = $main::systime;
2153 my $ref = Route::Node::get($to);
2154 my $dxchan = $ref->dxchan;
2155 if ($dxchan && $dxchan->is_clx) {
2156 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2158 route(undef, $to, pc34($main::mycall, $to, $cmd));
2165 my $pc39flag = shift;
2166 my $call = $self->call;
2168 return if $self->{disconnecting}++;
2170 unless ($pc39flag && $pc39flag == 1) {
2171 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2174 # get rid of any PC16/17/19
2175 eph_del_regex("^PC1[679]*$call");
2177 # do routing stuff, remove me from routing table
2178 my $node = Route::Node::get($call);
2181 @rout = $node->del($main::routeroot);
2183 # and all my ephemera as well
2186 eph_del_regex("^PC1[679].*$c");
2190 RouteDB::delete_interface($call);
2192 # remove them from the pc19list as well
2193 while (my ($k,$v) = each %pc19list) {
2194 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2196 $pc19list{$k} = \@l;
2198 delete $pc19list{$k};
2202 eph_del_regex("^PC1[679].*$k");
2205 # unbusy and stop and outgoing mail
2206 my $mref = DXMsg::get_busy($call);
2207 $mref->stop_msg($call) if $mref;
2209 # broadcast to all other nodes that all the nodes connected to via me are gone
2210 unless ($pc39flag && $pc39flag == 2) {
2211 my $thing = Thingy::Bye->new(user=>$call);
2212 $thing->broadcast($self);
2214 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2217 # remove outstanding pings
2218 delete $pings{$call};
2220 # I was the last node visited
2221 $self->user->node($main::mycall);
2223 # send info to all logged in thingies
2224 $self->tell_login('logoutn');
2226 Log('DXProt', $call . " Disconnected");
2228 $self->SUPER::disconnect;
2233 # send a talk message to this thingy
2237 my ($self, $from, $to, $via, $line, $origin) = @_;
2239 $line =~ s/\^/\\5E/g; # remove any ^ characters
2240 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2241 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2244 # send it if it isn't the except list and isn't isolated and still has a hop count
2245 # taking into account filtering and so on
2251 my $generate = shift;
2252 my $no = shift; # the no of things to filter on
2254 my ($filter, $hops);
2257 for (; @_ && $no; $no--) {
2260 if (!$self->{isolate} && $self->{routefilter}) {
2263 ($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});
2267 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2270 dbg("was sent a null value") if isdbg('chanerr');
2273 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2277 foreach my $line (&$generate(@rin, @_)) {
2280 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2282 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2283 next unless $routeit;
2286 $self->send($routeit);
2295 my $generate = shift;
2297 my @dxchan = DXChannel::get_all_nodes();
2300 unless ($self->{isolate}) {
2301 foreach $dxchan (@dxchan) {
2302 next if $dxchan == $self;
2303 next if $dxchan == $main::me;
2304 next unless $dxchan->isa('DXProt');
2305 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2307 $dxchan->send_route($origin, $generate, @_);
2315 return unless $self->user->wantpc16;
2318 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2324 return unless $self->user->wantpc16;
2327 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2335 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2343 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2351 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2359 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2367 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2374 my ($filter, $hops) = (1, 1);
2376 if ($self->{inroutefilter}) {
2377 ($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);
2378 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2386 my $t = shift || $eph_restime;
2390 $s =~ s/\^H\d\d?\^?\~?$//;
2391 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2392 $eph{$s} = $main::systime + $t;
2393 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2401 while (($key, $val) = each %eph) {
2402 if ($key =~ m{$regex}) {
2412 while (($key, $val) = each %eph) {
2413 if ($main::systime >= $val) {
2424 while (($key, $val) = each %eph) {
2425 push @out, $key, $val;
2432 goto &DXCommandmode::run_cmd;
2436 # import any msgs in the chat directory
2437 # the messages are sent to the chat group which forms the
2438 # the first part of the name (eg: solar.1243.txt would be
2439 # sent to chat group SOLAR)
2441 # Each message found is sent: one non-blank line to one chat
2442 # message. So 4 lines = 4 chat messages.
2444 # The special name LOCAL is for local users ANN
2445 # The special name ALL is for ANN/FULL
2446 # The special name SYSOP is for ANN/SYSOP
2450 # are there any to do in this directory?
2451 return unless -d $chatimportfn;
2452 unless (opendir(DIR, $chatimportfn)) {
2453 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2454 Log('msg', "can\'t open $chatimportfn $!");
2458 my @names = readdir(DIR);
2461 foreach $name (@names) {
2462 next if $name =~ /^\./;
2463 my $splitit = $name =~ /^split/;
2464 my $fn = "$chatimportfn/$name";
2466 unless (open(MSG, $fn)) {
2467 dbg("can\'t open import file $fn $!") if isdbg('msg');
2468 Log('msg', "can\'t open import file $fn $!");
2472 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2476 my @cat = split /\./, $name;
2477 my $target = uc $cat[0];
2479 foreach my $text (@msg) {
2480 next unless $text && $text !~ /^\s*#/;
2481 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2482 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2483 if ($target ne 'LOCAL') {
2484 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2486 Log('ann', 'LOCAL', $main::mycall, $text);
2487 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2490 my $msgid = nextchatmsgid();
2491 $text = "#$msgid $text";
2492 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');