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);
46 use vars qw($VERSION $BRANCH);
48 main::mkver($VERSION = q$Revision$);
50 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
51 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
52 $pingint $obscount %pc19list $chatdupeage $chatimportfn
53 $investigation_int $pc19_version $myprot_version
54 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
55 $allowzero $decode_dk0wcy $send_opernam @checklist);
57 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
58 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
60 $last_hour = time; # last time I did an hourly periodic update
61 %pings = (); # outstanding ping requests outbound
62 %rcmds = (); # outstanding rcmd requests outbound
63 %nodehops = (); # node specific hop control
64 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
66 $censorpc = 1; # Do a BadWords::check on text fields and reject things
67 # loads of 'bad things'
68 $baddx = new DXHash "baddx";
69 $badspotter = new DXHash "badspotter";
70 $badnode = new DXHash "badnode";
71 $last10 = $last_pc50 = time;
75 $eph_info_restime = 60*60;
76 $eph_pc34_restime = 30;
79 $chatdupeage = 20 * 60 * 60;
80 $chatimportfn = "$main::root/chat_import";
81 $investigation_int = 12*60*60; # time between checks to see if we can see this node
82 $pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
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$/;
209 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
212 my $user = DXUser->get($main::mycall);
213 die "User $main::mycall not setup or disappeared RTFM" unless $user;
215 $myprot_version += $main::version*100;
216 $main::me = DXProt->new($main::mycall, 0, $user);
217 $main::me->{here} = 1;
218 $main::me->{state} = "indifferent";
219 $main::me->{sort} = 'S'; # S for spider
220 $main::me->{priv} = 9;
221 $main::me->{metric} = 0;
222 $main::me->{pingave} = 0;
223 $main::me->{registered} = 1;
224 $main::me->{version} = 5251 + $main::version;
225 $main::me->{build} = $main::build;
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
239 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
244 # this is how a pc connection starts (for an incoming connection)
245 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
246 # all the crap that comes between).
249 my ($self, $line, $sort) = @_;
250 my $call = $self->{call};
251 my $user = $self->{user};
254 my $host = $self->{conn}->{peerhost} || "unknown";
255 Log('DXProt', "$call connected from $host");
257 # remember type of connection
258 $self->{consort} = $line;
259 $self->{outbound} = $sort eq 'O';
260 my $priv = $user->priv;
261 $priv = $user->priv(1) unless $priv;
262 $self->{priv} = $priv; # other clusters can always be 'normal' users
263 $self->{lang} = $user->lang || 'en';
264 $self->{isolate} = $user->{isolate};
265 $self->{consort} = $line; # save the connection type
269 # sort out registration
270 $self->{registered} = 1;
272 # get the output filters
273 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
274 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
275 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
276 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
277 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
280 # get the INPUT filters (these only pertain to Clusters)
281 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
282 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
283 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
284 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
285 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
287 # set unbuffered and no echo
288 $self->send_now('B',"0");
289 $self->send_now('E',"0");
290 $self->conn->echo(0) if $self->conn->can('echo');
292 # ping neighbour node stuff
293 my $ping = $user->pingint;
294 $ping = $pingint unless defined $ping;
295 $self->{pingint} = $ping;
296 $self->{nopings} = $user->nopings || $obscount;
297 $self->{pingtime} = [ ];
298 $self->{pingave} = 999;
299 $self->{metric} ||= 100;
300 $self->{lastping} = $main::systime;
302 # send initialisation string
303 unless ($self->{outbound}) {
307 $self->state('init');
308 $self->{pc50_t} = $main::systime;
310 # send info to all logged in thingies
311 $self->tell_login('loginn');
313 # run a script send the output to the debug file
314 my $script = new Script(lc $call) || new Script('node_default');
315 $script->run($self) if $script;
319 # send outgoing 'challenge'
330 # This is the normal pcxx despatcher
334 my ($self, $line) = @_;
336 my @field = split /\^/, $line;
337 return unless @field;
339 pop @field if $field[-1] eq '~';
341 # print join(',', @field), "\n";
343 # process PC frames, this will fail unless the frame starts PCnn
344 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
345 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
346 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
350 # check for and dump bad protocol messages
351 my $n = check($pcno, @field);
353 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
357 # decrement any hop fields at this point
358 if ($line =~ /\^H(\d\d?)\^?~?$/) {
361 dbg("PCPROT: zero hop count, dumped") if isdbg('chanerr');
364 $line =~ s/\^H\d\d?(\^?~?)$/^H$hops$1/;
367 my $origin = $self->{call};
369 my $sub = "handle_$pcno";
371 if ($self->can($sub)) {
372 $self->$sub($pcno, $line, $origin, @field);
374 $self->handle_default($pcno, $line, $origin, @field);
378 # incoming talk commands
387 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
389 # will we allow it at all?
392 if (@bad = BadWords::check($_[3])) {
393 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
398 # is it for me or one of mine?
399 my ($from, $to, $via, $call, $dxchan);
408 # if this is a 'nodx' node then ignore it
409 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
410 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
414 # if this is a 'bad spotter' user then ignore it
416 $nossid =~ s/-\d+$//;
417 if ($badspotter->in($nossid)) {
418 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
422 # if we are converting announces to talk is it a dup?
424 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
425 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
430 # remember a route to this node and also the node on which this user is
431 RouteDB::update($_[6], $origin);
432 # RouteDB::update($to, $_[6]);
434 # it is here and logged on
435 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
436 $dxchan = DXChannel->get($to) unless $dxchan;
437 if ($dxchan && $dxchan->is_user) {
439 $dxchan->talk($from, $to, $via, $_[3]);
443 # is it elsewhere, visible on the cluster via the to address?
444 # note: this discards the via unless the to address is on
447 if ($ref = Route::get($to)) {
448 $vref = Route::Node::get($via) if $via;
449 $vref = undef unless $vref && grep $to eq $_, $vref->users;
450 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
454 # can we see an interface to send it down?
456 # not visible here, send a message of condolence
458 $ref = Route::get($from);
459 $vref = $ref = Route::Node::get($_[6]) unless $ref;
461 $dxchan = $ref->dxchan;
462 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
474 # route 'foreign' pc26s
476 if ($_[7] ne $main::mycall) {
477 $self->route($_[7], $line);
483 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
485 # if this is a 'nodx' node then ignore it
486 if ($badnode->in($_[7])) {
487 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
491 # if this is a 'bad spotter' user then ignore it
493 $nossid =~ s/-\d+$//;
494 if ($badspotter->in($nossid)) {
495 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
499 # convert the date to a unix date
500 my $d = cltounix($_[3], $_[4]);
501 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
502 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
503 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
508 if ($baddx->in($_[2]) || BadWords::check($_[2])) {
509 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
514 $_[5] =~ s/^\s+//; # take any leading blanks off
515 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
516 if ($_[2] =~ /BUST\w*$/) {
517 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
522 if (@bad = BadWords::check($_[5])) {
523 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
529 # RouteDB::update($_[7], $self->{call});
530 # RouteDB::update($_[6], $_[7]);
532 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
534 my $thing = Thingy::Dx->new(origin=>$main::mycall);
535 $thing->from_DXProt(DXProt=>$line,spotdata=>\@spot);
536 $thing->queue($self);
538 # this goes after the input filtering, but before the add
539 # so that if it is input filtered, it isn't added to the dup
540 # list. This allows it to come in from a "legitimate" source
542 # @spot at this point contains:-
543 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
544 # then spotted itu, spotted cq, spotters itu, spotters cq
545 # you should be able to route on any of these
548 # fix up qra locators of known users
549 my $user = DXUser->get_current($spot[4]);
551 my $qra = $user->qra;
552 unless ($qra && is_qra($qra)) {
553 my $lat = $user->lat;
554 my $long = $user->long;
555 if (defined $lat && defined $long) {
556 $user->qra(DXBearing::lltoqra($lat, $long));
561 # send a remote command to a distant cluster if it is visible and there is no
562 # qra locator and we havn't done it for a month.
564 unless ($user->qra) {
566 my $to = $user->homenode;
567 my $last = $user->lastoper || 0;
568 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
569 my $cmd = "forward/opernam $spot[4]";
570 # send the rcmd but we aren't interested in the replies...
571 my $dxchan = $node->dxchan;
572 if ($dxchan && $dxchan->is_clx) {
573 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
575 route(undef, $to, pc34($main::mycall, $to, $cmd));
579 $node = Route::Node::get($to);
581 $dxchan = $node->dxchan;
582 if ($dxchan && $dxchan->is_clx) {
583 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
585 route(undef, $to, pc34($main::mycall, $to, $cmd));
589 $user->lastoper($main::systime);
598 $r = Local::spot($self, @spot);
600 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
603 # DON'T be silly and send on PC26s!
604 return if $pcno == 26;
606 # send out the filtered spots
607 # send_dx_spot($self, $line, @spot) if @spot;
618 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
620 # announce duplicate checking
621 $_[3] =~ s/^\s+//; # remove leading blanks
625 if (@bad = BadWords::check($_[3])) {
626 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
631 # if this is a 'nodx' node then ignore it
632 if ($badnode->in($_[5])) {
633 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
637 # if this is a 'bad spotter' user then ignore it
639 $nossid =~ s/-\d+$//;
640 if ($badspotter->in($nossid)) {
641 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
648 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
649 $self->send_chat($line, @_[1..6]);
650 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
653 # RouteDB::update($_[5], $self->{call});
654 # RouteDB::update($_[1], $_[5]);
656 # ignore something that looks like a chat line coming in with sysop
657 # flag - this is a kludge...
658 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
659 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
663 # here's a bit of fun, convert incoming ann with a callsign in the first word
664 # or one saying 'to <call>' to a talk if we can route to the recipient
666 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
668 my $ref = Route::get($call);
670 $dxchan = $ref->dxchan;
671 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
678 $self->send_announce($line, @_[1..6]);
680 $self->route($_[2], $line);
695 my $newline = "PC16^";
697 # dos I want users from this channel?
698 unless ($self->user->wantpc16) {
699 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
703 if ($ncall eq $main::mycall) {
704 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
709 RouteDB::update($ncall, $origin);
711 # do we believe this call?
712 unless ($ncall eq $origin || $self->is_believed($ncall)) {
713 if (my $ivp = Investigate::get($ncall, $origin)) {
714 $ivp->store_pcxx($pcno,$line,$origin,@_);
716 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
721 if (eph_dup($line)) {
722 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
726 my $parent = Route::Node::get($ncall);
728 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
729 # fix it up in the routing tables and issue it forth before the PC16
732 $dxchan = $parent->dxchan;
733 if ($dxchan && $dxchan ne $self) {
734 dbg("PCPROT: PC16 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
741 for ($i = 2; $i < $#_; $i++) {
742 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
743 next unless $call && $conf && defined $here && is_callsign($call);
744 next if $call eq $main::mycall;
746 eph_del_regex("^PC17\\^$call\\^$ncall");
748 my $flags = $here ? 1 : 0;
749 $rout .= ":U$flags$call";
754 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
755 $thing->from_DXProt(t=>'eau', d=>"N1$ncall$rout", DXProt=>$line);
756 $thing->queue($self);
758 dbg("PCPROT: No usable users") if isdbg('chanerr');
761 dbg("PCPROT: no PC19 seen for $ncall" ) if isdbg('chanerr');
776 eph_del_regex("^PC16\\^$ncall.*$ucall");
778 # do I want users from this channel?
779 unless ($self->user->wantpc16) {
780 dbg("PCPROT: don't send users to $origin") if isdbg('chanerr');
783 if ($ncall eq $main::mycall) {
784 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
788 RouteDB::delete($ncall, $origin);
790 # do we believe this call?
791 unless ($ncall eq $origin || $self->is_believed($ncall)) {
792 if (my $ivp = Investigate::get($ncall, $origin)) {
793 $ivp->store_pcxx($pcno,$line,$origin,@_);
795 dbg("PCPROT: We don't believe $ncall on $origin") if isdbg('chanerr');
800 my $uref = Route::User::get($ucall);
802 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
804 my $parent = Route::Node::get($ncall);
806 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
809 $dxchan = $parent->dxchan if $parent;
810 if ($dxchan && $dxchan ne $self) {
811 dbg("PCPROT: PC17 from $origin trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
815 if (eph_dup($line)) {
816 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
820 $uref = Route->new($ucall) unless $uref; # throw away
821 my $thing = Thingy::Rt->new(origin=>$main::mycall, user=>$self->{call});
822 $thing->from_DXProt(t=>'edu', d=>"N1$ncall:U1$ucall", DXProt=>$line);
823 $thing->queue($self);
833 $self->state('init');
835 # record the type and version offered
836 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
837 $self->version(52.51 + $1);
838 $self->user->version(52.51 + $1);
839 $self->build(0 + $2);
840 $self->user->build(0 + $2);
841 unless ($self->is_spider) {
842 $self->user->sort('S');
847 $self->version(50.0);
848 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
849 $self->user->version($self->version);
852 # first clear out any nodes on this dxchannel
853 my $parent = Route::Node::get($origin);
854 my @rout = $parent->del_nodes;
855 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
856 $self->send_local_config();
860 # incoming cluster list
869 my $newline = "PC19^";
874 # first get the INTERFACE node
875 my $parent = Route::Node::get($origin);
877 dbg("DXPROT: my parent $origin has disappeared");
882 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
883 if ($origin ne $self->call) {
884 my $op = Route::Node::get($origin);
886 $op = $parent->add($origin, 5000, Route::here(1));
887 my $user = DXUser->get_current($origin);
889 $user = DXUser->new($origin);
890 $user->priv(1); # I have relented and defaulted nodes
892 $user->homenode($origin);
893 $user->node($origin);
894 $user->wantroutepc19(1);
896 $user->sort('A') unless $user->is_node;
903 for ($i = 1; $i < $#_-1; $i += 4) {
905 my $call = uc $_[$i+1];
908 next unless defined $here && defined $conf && is_callsign($call);
910 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
912 # check for sane parameters
913 # $ver = 5000 if $ver eq '0000';
914 next if $ver < 5000; # only works with version 5 software
915 next if length $call < 3; # min 3 letter callsigns
916 next if $call eq $main::mycall;
918 # check that this PC19 isn't trying to alter the wrong dxchan
919 my $dxchan = DXChannel->get($call);
920 if ($dxchan && $dxchan != $self) {
921 dbg("PCPROT: PC19 from $origin trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
925 # add this station to the user database, if required (don't remove SSID from nodes)
926 my $user = DXUser->get_current($call);
928 $user = DXUser->new($call);
929 $user->priv(1); # I have relented and defaulted nodes
931 $user->homenode($call);
934 $user->sort('A') unless $user->is_node;
936 RouteDB::update($call, $origin);
938 # do we believe this call?
939 my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^";
940 unless ($call eq $origin || $self->is_believed($call)) {
941 my $pt = $user->lastping($origin) || 0;
942 if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $origin)) {
943 my $ivp = Investigate->new($call, $origin);
946 $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
948 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
954 if (eph_dup($genline)) {
955 dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
959 my $r = Route::Node::get($call);
960 my $flags = Route::here($here)|Route::conf($conf);
962 # modify the routing table if it is in it, otherwise store it in the pc19list for now
965 if ($call ne $parent->call) {
966 if ($self->in_filter_route($r)) {
967 $ar = $parent->add($call, $ver, $flags);
968 push @rout, $ar if $ar;
973 if ($r->version ne $ver || $r->flags != $flags) {
976 push @rout, $r unless $ar;
980 # if he is directly connected or allowed then add him, otherwise store him up for later
981 if ($call eq $origin || $user->wantroutepc19) {
982 my $new = Route->new($call); # throw away
983 if ($self->in_filter_route($new)) {
984 my $ar = $parent->add($call, $ver, $flags);
985 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
986 push @rout, $ar if $ar;
991 $pc19list{$call} = [] unless exists $pc19list{$call};
992 my $nl = $pc19list{$call};
993 push @{$pc19list{$call}}, [$origin, $ver, $flags] unless grep $_->[0] eq $origin, @$nl;
997 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
998 my $mref = DXMsg::get_busy($call);
999 $mref->stop_msg($call) if $mref;
1001 $user->lastin($main::systime) unless DXChannel->get($call);
1006 $self->route_pc19($origin, $line, @rout) if @rout;
1009 # send local configuration
1016 $self->send_local_config();
1017 $self->send(pc22());
1018 $self->state('normal');
1019 $self->{lastping} = 0;
1022 # delete a cluster from the list
1029 my $call = uc $_[1];
1031 eph_del_regex("^PC1[679].*$call");
1033 # if I get a PC21 from the same callsign as self then treat it
1034 # as a PC39: I have gone away
1035 if ($call eq $self->call) {
1036 $self->disconnect(1);
1040 RouteDB::delete($call, $origin);
1042 # check if we believe this
1043 unless ($call eq $origin || $self->is_believed($call)) {
1044 if (my $ivp = Investigate::get($call, $origin)) {
1045 $ivp->store_pcxx($pcno,$line,$origin,@_);
1047 dbg("PCPROT: We don't believe $call on $origin") if isdbg('chanerr');
1052 # check to see if we are in the pc19list, if we are then don't bother with any of
1053 # this routing table manipulation, just remove it from the list and dump it
1055 if (my $nl = $pc19list{$call}) {
1056 $pc19list{$call} = [ grep {$_->[0] ne $origin} @$nl ];
1057 delete $pc19list{$call} unless @{$pc19list{$call}};
1060 my $parent = Route::Node::get($origin);
1062 dbg("DXPROT: my parent $origin has disappeared");
1066 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1067 my $node = Route::Node::get($call);
1070 my $dxchan = DXChannel->get($call);
1071 if ($dxchan && $dxchan != $self) {
1072 dbg("PCPROT: PC21 from $origin trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1077 return unless $self->in_filter_route($node);
1080 push @rout, $node->del($parent);
1083 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1088 $self->route_pc21($origin, $line, @rout) if @rout;
1098 $self->state('normal');
1099 $self->{lastping} = 0;
1110 # route foreign' pc27s
1112 if ($_[8] ne $main::mycall) {
1113 $self->route($_[8], $line);
1118 # only do a rspf check on PC23 (not 27)
1120 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1124 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1125 my $sfi = unpad($_[3]);
1126 my $k = unpad($_[4]);
1127 my $i = unpad($_[5]);
1128 my ($r) = $_[6] =~ /R=(\d+)/;
1130 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1131 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1134 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1135 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1138 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1140 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1144 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1146 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1149 # DON'T be silly and send on PC27s!
1150 return if $pcno == 27;
1152 # broadcast to the eager world
1153 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1163 my $call = uc $_[1];
1165 $nref = Route::Node::get($call);
1166 $uref = Route::User::get($call);
1167 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1169 if (eph_dup($line)) {
1170 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1174 $nref->here($_[2]) if $nref;
1175 $uref->here($_[2]) if $uref;
1176 my $ref = $nref || $uref;
1177 return unless $self->in_filter_route($ref);
1179 $self->route_pc24($origin, $line, $ref, $_[3]);
1189 if ($_[1] ne $main::mycall) {
1190 $self->route($_[1], $line);
1193 if ($_[2] eq $main::mycall) {
1194 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1198 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1202 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1205 $self->send(pc26(@{$in}[0..4], $_[2]));
1211 my @in = reverse Geomag::search(0, $_[4], time, 1);
1214 $self->send(pc27(@{$in}[0..5], $_[2]));
1219 sub handle_26 {goto &handle_11}
1220 sub handle_27 {goto &handle_23}
1222 # mail/file handling
1229 if ($_[1] eq $main::mycall) {
1231 my $sub = "DXMsg::handle_$pcno";
1234 $self->route($_[1], $line) unless $self->is_clx;
1238 sub handle_29 {goto &handle_28}
1239 sub handle_30 {goto &handle_28}
1240 sub handle_31 {goto &handle_28}
1241 sub handle_32 {goto &handle_28}
1242 sub handle_33 {goto &handle_28}
1250 if (eph_dup($line, $eph_pc34_restime)) {
1251 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1253 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1257 # remote command replies
1264 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1265 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1268 sub handle_36 {goto &handle_34}
1277 if ($_[1] eq $main::mycall) {
1279 my $sub = "DXDb::handle_$pcno";
1282 $self->route($_[1], $line) unless $self->is_clx;
1286 # node connected list from neighbour
1295 # incoming disconnect
1302 if ($_[1] eq $origin) {
1303 $self->disconnect(1);
1305 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1309 sub handle_40 {goto &handle_28}
1321 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1322 if (eph_dup($l, $eph_info_restime)) {
1323 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1327 # input filter if required
1328 # my $ref = Route::get($call) || Route->new($call);
1329 # return unless $self->in_filter_route($ref);
1331 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1332 dbg('PCPROT: invalid value') if isdbg('chanerr');
1336 # add this station to the user database, if required
1337 my $user = DXUser->get_current($call);
1338 $user = DXUser->new($call) unless $user;
1342 } elsif ($_[2] == 2) {
1344 } elsif ($_[2] == 3) {
1345 if (is_latlong($_[3])) {
1346 my ($lat, $long) = DXBearing::stoll($_[3]);
1349 $user->qra(DXBearing::lltoqra($lat, $long));
1351 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1354 } elsif ($_[2] == 4) {
1355 $user->homenode($_[3]);
1356 } elsif ($_[2] == 5) {
1357 if (is_qra(uc $_[3])) {
1358 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1361 $user->qra(uc $_[3]);
1363 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1367 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1370 unless ($self->{isolate}) {
1371 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1374 # perhaps this IS what we want after all
1375 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1378 sub handle_42 {goto &handle_28}
1382 sub handle_44 {goto &handle_37}
1383 sub handle_45 {goto &handle_37}
1384 sub handle_46 {goto &handle_37}
1385 sub handle_47 {goto &handle_37}
1386 sub handle_48 {goto &handle_37}
1388 # message and database
1396 if (eph_dup($line)) {
1397 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1401 if ($_[1] eq $main::mycall) {
1402 DXMsg::handle_49($self, @_);
1404 $self->route($_[1], $line) unless $self->is_clx;
1408 # keep alive/user list
1418 RouteDB::update($call, $origin);
1420 my $node = Route::Node::get($call);
1422 return unless $node->call eq $origin;
1423 $node->usercount($_[2]);
1425 # input filter if required
1426 return unless $self->in_filter_route($node);
1428 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1432 # incoming ping requests/answers
1445 if ($to eq $main::mycall) {
1447 $self->send(pc51($from, $to, '0'));
1449 # it's a reply, look in the ping list for this one
1450 my $ref = $pings{$from};
1452 my $tochan = DXChannel->get($from);
1454 my $r = shift @$ref;
1455 my $dxchan = DXChannel->get($r->{call});
1456 next unless $dxchan;
1457 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1458 if ($dxchan->is_user) {
1459 my $s = sprintf "%.2f", $t;
1460 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1461 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1462 } elsif ($dxchan->is_node) {
1464 my $nopings = $tochan->user->nopings || $obscount;
1465 push @{$tochan->{pingtime}}, $t;
1466 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1468 # cope with a missed ping, this means you must set the pingint large enough
1469 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1470 $t -= $tochan->{pingint};
1473 # calc smoothed RTT a la TCP
1474 if (@{$tochan->{pingtime}} == 1) {
1475 $tochan->{pingave} = $t;
1477 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1479 $tochan->{nopings} = $nopings; # pump up the timer
1480 if (my $ivp = Investigate::get($from, $origin)) {
1483 } elsif (my $rref = Route::Node::get($r->{call})) {
1484 if (my $ivp = Investigate::get($from, $origin)) {
1494 RouteDB::update($from, $origin);
1496 if (eph_dup($line)) {
1497 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1500 # route down an appropriate thingy
1501 $self->route($to, $line);
1505 # dunno but route it
1513 if ($call ne $main::mycall) {
1514 $self->route($call, $line);
1528 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1529 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1530 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1533 @_ = map { unpad($_) } @_;
1535 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1539 my $wcy = WCY::update($d, @_[2..12]);
1543 $rep = Local::wcy($self, @_[1..12]);
1545 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1548 # broadcast to the eager world
1549 send_wcy_spot($self, $line, $d, @_[2..12]);
1552 # remote commands (incoming)
1559 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1562 # remote command replies
1569 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1572 # if get here then rebroadcast the thing with its Hop count decremented (if
1573 # there is one). If it has a hop count and it decrements to zero then don't
1576 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1587 if (eph_dup($line)) {
1588 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1590 unless ($self->{isolate}) {
1591 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1597 # This is called from inside the main cluster processing loop and is used
1598 # for despatching commands that are doing some long processing job
1603 my @dxchan = DXChannel->get_all();
1607 # send out a pc50 on EVERY channel all at once
1608 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1609 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1614 foreach $dxchan (@dxchan) {
1615 next unless $dxchan->is_node();
1616 next if $dxchan == $main::me;
1619 $dxchan->send($pc50s) if $pc50s;
1621 # send a ping out on this channel
1622 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1623 if ($dxchan->{nopings} <= 0) {
1624 $dxchan->disconnect;
1626 addping($main::mycall, $dxchan->call);
1627 $dxchan->{nopings} -= 1;
1628 $dxchan->{lastping} = $t;
1633 Investigate::process();
1636 if ($t - $last10 >= 10) {
1637 # clean out ephemera
1646 if ($main::systime - 3600 > $last_hour) {
1647 $last_hour = $main::systime;
1652 # finish up a pc context
1656 # some active measures
1662 my ($self, $filter, $hops, $isolate, $line) = @_;
1668 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1670 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1671 return unless $routeit;
1674 $self->send($routeit);
1676 $self->send($routeit) unless $self->{isolate} || $isolate;
1685 my @dxchan = DXChannel->get_all();
1687 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1689 # send it if it isn't the except list and isn't isolated and still has a hop count
1690 # taking into account filtering and so on
1691 foreach $dxchan (@dxchan) {
1692 next if $dxchan == $main::me;
1693 next if $dxchan == $self && $self->is_node;
1695 my ($filter, $hops);
1697 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1705 my $isolate = shift;
1706 my ($filter, $hops);
1708 if ($self->{wwvfilter}) {
1709 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1710 return unless $filter;
1712 send_prot_line($self, $filter, $hops, $isolate, $line)
1719 my @dxchan = DXChannel->get_all();
1721 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1723 # send it if it isn't the except list and isn't isolated and still has a hop count
1724 # taking into account filtering and so on
1725 foreach $dxchan (@dxchan) {
1726 next if $dxchan == $main::me;
1727 next if $dxchan == $self;
1729 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1737 my $isolate = shift;
1738 my ($filter, $hops);
1740 if ($self->{wcyfilter}) {
1741 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1742 return unless $filter;
1744 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1752 my @dxchan = DXChannel->get_all();
1756 my $text = unpad($_[2]);
1758 if ($_[3] eq '*') { # sysops
1760 } elsif ($_[3] gt ' ') { # speciality list handling
1761 my ($name) = split /\./, $_[3];
1762 $target = "$name"; # put the rest in later (if bothered)
1769 $target = "ALL" if !$target;
1772 # obtain country codes etc
1773 my @a = Prefix::cty_data($_[0]);
1774 my @b = Prefix::cty_data($_[4]);
1775 if ($self->{inannfilter}) {
1776 my ($filter, $hops) =
1777 $self->{inannfilter}->it(@_, $self->{call},
1779 @b[0..2], $a[3], $b[3]);
1781 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1786 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1787 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1791 Log('ann', $target, $_[0], $text);
1793 # send it if it isn't the except list and isn't isolated and still has a hop count
1794 # taking into account filtering and so on
1795 foreach $dxchan (@dxchan) {
1796 next if $dxchan == $main::me;
1797 next if $dxchan == $self && $self->is_node;
1798 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1799 @a[0..2], @b[0..2]);
1808 $msgid = 1 if $msgid > 999;
1817 my @dxchan = DXChannel->get_all();
1820 my $text = unpad($_[2]);
1823 # munge the group and recast the line if required
1824 if ($target =~ s/\.LST$//) {
1828 # obtain country codes etc
1829 my @a = Prefix::cty_data($_[0]);
1830 my @b = Prefix::cty_data($_[4]);
1831 if ($self->{inannfilter}) {
1832 my ($filter, $hops) =
1833 $self->{inannfilter}->it(@_, $self->{call},
1835 @b[0..2], $a[3], $b[3]);
1837 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1842 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1843 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1848 Log('chat', $target, $_[0], $text);
1850 # send it if it isn't the except list and isn't isolated and still has a hop count
1851 # taking into account filtering and so on
1852 foreach $dxchan (@dxchan) {
1853 my $is_ak1a = $dxchan->is_ak1a;
1855 if ($dxchan->is_node) {
1856 next if $dxchan == $main::me;
1857 next if $dxchan == $self;
1858 next unless $dxchan->is_spider || $is_ak1a;
1859 next if $target eq 'LOCAL';
1860 if (!$ak1a_line && $is_ak1a) {
1861 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1865 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1866 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1874 my $isolate = shift;
1878 my ($filter, $hops);
1880 if ($self->{annfilter}) {
1881 ($filter, $hops) = $self->{annfilter}->it(@_);
1882 return unless $filter;
1884 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1893 sub send_local_config
1901 dbg('DXProt::send_local_config') if isdbg('trace');
1904 if ($self->{isolate}) {
1905 @localnodes = ( $main::routeroot );
1906 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1908 # create a list of all the nodes that are not connected to this connection
1909 # and are not themselves isolated, this to make sure that isolated nodes
1910 # don't appear outside of this node
1912 # send locally connected nodes
1913 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1914 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1915 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1918 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1920 for $node (@rawintcalls) {
1921 push @intcalls, $node unless grep $node eq $_, @intcalls;
1923 my $ref = Route::Node::get($self->{call});
1924 my @rnodes = $ref->nodes;
1925 for $node (@intcalls) {
1926 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1928 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1931 # get all the users connected on the above nodes and send them out
1932 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1934 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1935 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1937 dbg("sent a null value") if isdbg('chanerr');
1943 # route a message down an appropriate interface for a callsign
1945 # is called route(to, pcline);
1950 my ($self, $call, $line) = @_;
1952 if (ref $self && $call eq $self->{call}) {
1953 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1957 # always send it down the local interface if available
1958 my $dxchan = DXChannel->get($call);
1960 dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
1962 my $cl = Route::get($call);
1963 $dxchan = $cl->dxchan if $cl;
1965 if (ref $self && $dxchan eq $self) {
1966 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1969 dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
1973 # try the backstop method
1975 my $rcall = RouteDB::get($call);
1977 if ($self && $rcall eq $self->{call}) {
1978 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1981 $dxchan = DXChannel->get($rcall);
1982 dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
1987 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1989 $dxchan->send($routeit) unless $dxchan == $main::me;
1992 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1997 # obtain the hops from the list for this callsign and pc no
2003 my $hops = $DXProt::hopcount{$pcno};
2004 $hops = $DXProt::def_hopcount if !$hops;
2009 # adjust the hop count on a per node basis using the user loadable
2010 # hop table if available or else decrement an existing one
2017 my $call = $self->{call};
2020 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2021 my ($pcno) = $s =~ /^PC(\d\d)/o;
2022 confess "$call called adjust_hops with '$s'" unless $pcno;
2023 my $ref = $nodehops{$call} if %nodehops;
2025 my $newhops = $ref->{$pcno};
2026 return "" if defined $newhops && $newhops == 0;
2027 $newhops = $ref->{default} unless $newhops;
2028 return "" if defined $newhops && $newhops == 0;
2029 $newhops = $hops if !$newhops;
2030 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2032 # simply decrement it
2033 # $hops--; this is done on receipt now
2034 return "" if !$hops;
2035 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2047 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2048 do "$main::data/hop_table.pl";
2054 # add a ping request to the ping queues
2057 my ($from, $to, $via) = @_;
2058 my $ref = $pings{$to} || [];
2061 $r->{t} = [ gettimeofday ];
2062 if ($via && (my $dxchan = DXChannel->get($via))) {
2063 $dxchan->send(pc51($to, $main::mycall, 1));
2065 route(undef, $to, pc51($to, $main::mycall, 1));
2069 my $u = DXUser->get_current($to);
2071 $u->lastping(($via || $from), $main::systime);
2078 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2079 if ($tonode eq $main::mycall) {
2080 my $ref = DXUser->get_current($fromnode);
2081 my $cref = Route::Node::get($fromnode);
2082 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2083 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2084 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2085 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2086 my $oldpriv = $self->{priv};
2087 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2088 my @in = (DXCommandmode::run_cmd($self, $cmd));
2089 $self->{priv} = $oldpriv;
2090 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2091 delete $self->{remotecmd};
2093 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2096 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2099 my $ref = DXUser->get_current($tonode);
2100 if ($ref && $ref->is_clx) {
2101 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2103 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2108 sub process_rcmd_reply
2110 my ($self, $tonode, $fromnode, $user, $line) = @_;
2111 if ($tonode eq $main::mycall) {
2112 my $s = $rcmds{$fromnode};
2114 my $dxchan = DXChannel->get($s->{call});
2115 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2116 $ref->send($line) if $ref;
2117 delete $rcmds{$fromnode} if !$dxchan;
2119 # send unsolicited ones to the sysop
2120 my $dxchan = DXChannel->get($main::myalias);
2121 $dxchan->send($line) if $dxchan;
2124 my $ref = DXUser->get_current($tonode);
2125 if ($ref && $ref->is_clx) {
2126 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2128 $self->route($tonode, pc35($fromnode, $tonode, $line));
2137 my $fromnode = shift;
2142 Log('rcmd', 'out', $fromnode, $line);
2143 if ($self->is_clx) {
2144 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2146 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2151 # add a rcmd request to the rcmd queues
2154 my ($self, $to, $cmd) = @_;
2157 $r->{call} = $self->{call};
2158 $r->{t} = $main::systime;
2162 my $ref = Route::Node::get($to);
2163 my $dxchan = $ref->dxchan;
2164 if ($dxchan && $dxchan->is_clx) {
2165 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2167 route(undef, $to, pc34($main::mycall, $to, $cmd));
2174 my $pc39flag = shift;
2175 my $call = $self->call;
2177 return if $self->{disconnecting}++;
2179 unless ($pc39flag && $pc39flag == 1) {
2180 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2183 # get rid of any PC16/17/19
2184 eph_del_regex("^PC1[679]*$call");
2186 # do routing stuff, remove me from routing table
2187 my $node = Route::Node::get($call);
2190 @rout = $node->del($main::routeroot);
2192 # and all my ephemera as well
2195 eph_del_regex("^PC1[679].*$c");
2199 RouteDB::delete_interface($call);
2201 # remove them from the pc19list as well
2202 while (my ($k,$v) = each %pc19list) {
2203 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2205 $pc19list{$k} = \@l;
2207 delete $pc19list{$k};
2211 eph_del_regex("^PC1[679].*$k");
2214 # unbusy and stop and outgoing mail
2215 my $mref = DXMsg::get_busy($call);
2216 $mref->stop_msg($call) if $mref;
2218 # broadcast to all other nodes that all the nodes connected to via me are gone
2219 unless ($pc39flag && $pc39flag == 2) {
2220 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2223 # remove outstanding pings
2224 delete $pings{$call};
2226 # I was the last node visited
2227 $self->user->node($main::mycall);
2229 # send info to all logged in thingies
2230 $self->tell_login('logoutn');
2232 Log('DXProt', $call . " Disconnected");
2234 $self->SUPER::disconnect;
2239 # send a talk message to this thingy
2243 my ($self, $from, $to, $via, $line, $origin) = @_;
2245 $line =~ s/\^/\\5E/g; # remove any ^ characters
2246 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2247 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2250 # send it if it isn't the except list and isn't isolated and still has a hop count
2251 # taking into account filtering and so on
2257 my $generate = shift;
2258 my $no = shift; # the no of things to filter on
2260 my ($filter, $hops);
2263 for (; @_ && $no; $no--) {
2266 if (!$self->{isolate} && $self->{routefilter}) {
2269 ($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});
2273 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2276 dbg("was sent a null value") if isdbg('chanerr');
2279 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2283 foreach my $line (&$generate(@rin, @_)) {
2286 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2288 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2289 next unless $routeit;
2292 $self->send($routeit);
2301 my $generate = shift;
2303 my @dxchan = DXChannel::get_all_nodes();
2306 unless ($self->{isolate}) {
2307 foreach $dxchan (@dxchan) {
2308 next if $dxchan == $self;
2309 next if $dxchan == $main::me;
2310 next unless $dxchan->isa('DXProt');
2311 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2313 $dxchan->send_route($origin, $generate, @_);
2321 return unless $self->user->wantpc16;
2324 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2330 return unless $self->user->wantpc16;
2333 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2341 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2349 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2357 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2365 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2373 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2380 my ($filter, $hops) = (1, 1);
2382 if ($self->{inroutefilter}) {
2383 ($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);
2384 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2392 my $t = shift || $eph_restime;
2396 $s =~ s/\^H\d\d?\^?\~?$//;
2397 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2398 $eph{$s} = $main::systime + $t;
2399 dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
2407 while (($key, $val) = each %eph) {
2408 if ($key =~ m{$regex}) {
2418 while (($key, $val) = each %eph) {
2419 if ($main::systime >= $val) {
2430 while (($key, $val) = each %eph) {
2431 push @out, $key, $val;
2438 goto &DXCommandmode::run_cmd;
2442 # import any msgs in the chat directory
2443 # the messages are sent to the chat group which forms the
2444 # the first part of the name (eg: solar.1243.txt would be
2445 # sent to chat group SOLAR)
2447 # Each message found is sent: one non-blank line to one chat
2448 # message. So 4 lines = 4 chat messages.
2450 # The special name LOCAL is for local users ANN
2451 # The special name ALL is for ANN/FULL
2452 # The special name SYSOP is for ANN/SYSOP
2456 # are there any to do in this directory?
2457 return unless -d $chatimportfn;
2458 unless (opendir(DIR, $chatimportfn)) {
2459 dbg("can\'t open $chatimportfn $!") if isdbg('msg');
2460 Log('msg', "can\'t open $chatimportfn $!");
2464 my @names = readdir(DIR);
2467 foreach $name (@names) {
2468 next if $name =~ /^\./;
2469 my $splitit = $name =~ /^split/;
2470 my $fn = "$chatimportfn/$name";
2472 unless (open(MSG, $fn)) {
2473 dbg("can\'t open import file $fn $!") if isdbg('msg');
2474 Log('msg', "can\'t open import file $fn $!");
2478 my @msg = map { s/\r?\n$//; $_ } <MSG>;
2482 my @cat = split /\./, $name;
2483 my $target = uc $cat[0];
2485 foreach my $text (@msg) {
2486 next unless $text && $text !~ /^\s*#/;
2487 if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
2488 my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
2489 if ($target ne 'LOCAL') {
2490 send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
2492 Log('ann', 'LOCAL', $main::mycall, $text);
2493 DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
2496 my $msgid = nextchatmsgid();
2497 $text = "#$msgid $text";
2498 send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');