3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
31 use Time::HiRes qw(gettimeofday tv_interval);
36 use vars qw($me $pc11_max_age $pc23_max_age
37 $last_hour %pings %rcmds
38 %nodehops $baddx $badspotter $badnode $censorpc
39 $allowzero $decode_dk0wcy $send_opernam @checklist);
41 $me = undef; # the channel id for this cluster
42 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
43 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
45 $last_hour = time; # last time I did an hourly periodic update
46 %pings = (); # outstanding ping requests outbound
47 %rcmds = (); # outstanding rcmd requests outbound
48 %nodehops = (); # node specific hop control
49 $censorpc = 1; # Do a BadWords::check on text fields and reject things
50 # loads of 'bad things'
51 $baddx = new DXHash "baddx";
52 $badspotter = new DXHash "badspotter";
53 $badnode = new DXHash "badnode";
57 [ qw(c c m bp bc c) ], # pc10
58 [ qw(f m d t m c c h) ], # pc11
59 [ qw(c bc m bp bm p h) ], # pc12
63 undef , # pc16 has to be validated manually
66 undef , # pc19 has to be validated manually
67 undef , # pc20 no validation
69 undef , # pc22 no validation
70 [ qw(d n n n n m c c h) ], # pc23
72 [ qw(c c n n) ], # pc25
73 [ qw(f m d t m c c bc) ], # pc26
74 [ qw(d n n n n m c c bc) ], # pc27
75 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
76 [ qw(c c n m) ], # pc29
84 [ qw(c c n m) ], # pc37
85 undef, # pc38 not interested
87 [ qw(c c m p n) ], # pc40
88 [ qw(c n m h) ], # pc41
90 undef, # pc43 don't handle it
91 [ qw(c c n m m c) ], # pc44
92 [ qw(c c n m) ], # pc45
120 [ qw(d n n n n n n m m m c c h) ], # pc73
131 [ qw(c c c m) ], # pc84
132 [ qw(c c c m) ], # pc85
135 # use the entry in the check list to check the field list presented
136 # return OK if line NOT in check list (for now)
141 return 0 if $n < 0 || $n > @checklist;
142 my $ref = $checklist[$n];
143 return 0 unless ref $ref;
146 shift; # not interested in the first field
147 for ($i = 0; $i < @$ref; $i++) {
148 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
149 return 0 unless $act;
150 next if $blank && $_[$i] =~ /^[ \*]$/;
152 return $i+1 unless is_callsign($_[$i]);
153 } elsif ($act eq 'm') {
154 return $i+1 unless is_pctext($_[$i]);
155 } elsif ($act eq 'p') {
156 return $i+1 unless is_pcflag($_[$i]);
157 } elsif ($act eq 'f') {
158 return $i+1 unless is_freq($_[$i]);
159 } elsif ($act eq 'n') {
160 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
161 } elsif ($act eq 'h') {
162 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
163 } elsif ($act eq 'd') {
164 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
165 } elsif ($act eq 't') {
166 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
174 my $user = DXUser->get($main::mycall);
175 $DXProt::myprot_version += $main::version*100;
176 $me = DXProt->new($main::mycall, 0, $user);
178 $me->{state} = "indifferent";
179 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
181 $me->{sort} = 'S'; # S for spider
186 # obtain a new connection this is derived from dxchannel
191 my $self = DXChannel::alloc(@_);
195 # this is how a pc connection starts (for an incoming connection)
196 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
197 # all the crap that comes between).
200 my ($self, $line, $sort) = @_;
201 my $call = $self->{call};
202 my $user = $self->{user};
204 # remember type of connection
205 $self->{consort} = $line;
206 $self->{outbound} = $sort eq 'O';
207 $self->{priv} = $user->priv || 1; # other clusters can always be 'normal' users
208 $self->{lang} = $user->lang || 'en';
209 $self->{isolate} = $user->{isolate};
210 $self->{consort} = $line; # save the connection type
213 # get the output filters
214 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
215 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
216 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
217 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
220 # get the INPUT filters (these only pertain to Clusters)
221 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
222 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
223 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
224 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
226 # set unbuffered and no echo
227 $self->send_now('B',"0");
228 $self->send_now('E',"0");
230 # ping neighbour node stuff
231 my $ping = $user->pingint;
232 $ping = 5*60 unless defined $ping;
233 $self->{pingint} = $ping;
234 $self->{nopings} = $user->nopings || 2;
235 $self->{pingtime} = [ ];
236 $self->{pingave} = 0;
238 # send initialisation string
239 unless ($self->{outbound}) {
241 $self->{lastping} = $main::systime;
243 $self->{lastping} = $main::systime + ($self->pingint / 2);
245 $self->state('init');
246 $self->{pc50_t} = $main::systime;
248 # send info to all logged in thingies
249 $self->tell_login('loginn');
251 Log('DXProt', "$call connected");
255 # This is the normal pcxx despatcher
259 my ($self, $line) = @_;
260 my @field = split /\^/, $line;
261 return unless @field;
263 pop @field if $field[-1] eq '~';
265 # print join(',', @field), "\n";
267 # ignore any lines that don't start with PC
268 return if !$field[0] =~ /^PC/;
271 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
273 return if $pcno < 10 || $pcno > 99;
275 # check for and dump bad protocol messages
276 my $n = check($pcno, @field);
278 dbg('chan', "PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")");
285 $pcr = Local::pcprot($self, $pcno, @field);
287 # dbg('local', "Local::pcprot error $@") if $@;
291 if ($pcno == 10) { # incoming talk
293 # will we allow it at all?
296 if (@bad = BadWords::check($field[3])) {
297 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
302 # is it for me or one of mine?
303 my ($to, $via, $call, $dxchan);
304 if ($field[5] gt ' ') {
305 $call = $via = $field[2];
308 $call = $to = $field[2];
310 $dxchan = DXChannel->get($call);
311 if ($dxchan && $dxchan->is_user) {
312 $field[3] =~ s/\%5E/^/g;
313 $dxchan->talk($field[1], $to, $via, $field[3]);
315 $self->route($field[2], $line); # relay it on its way
320 if ($pcno == 11 || $pcno == 26) { # dx spot
322 # route 'foreign' pc26s
324 if ($field[7] ne $main::mycall) {
325 $self->route($field[7], $line);
330 # if this is a 'nodx' node then ignore it
331 if ($badnode->in($field[7])) {
332 dbg('chan', "PCPROT: Bad Node, dropped");
336 # if this is a 'bad spotter' user then ignore it
337 if ($badspotter->in($field[6])) {
338 dbg('chan', "PCPROT: Bad Spotter, dropped");
342 # convert the date to a unix date
343 my $d = cltounix($field[3], $field[4]);
344 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
345 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
346 dbg('chan', "PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
351 if ($baddx->in($field[2])) {
352 dbg('chan', "PCPROT: Bad DX spot, ignored");
357 $field[5] =~ s/^\s+//; # take any leading blanks off
358 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
359 if ($field[2] =~ /BUST\w*$/) {
360 dbg('chan', "PCPROT: useless 'BUSTED' spot");
363 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
364 dbg('chan', "PCPROT: Duplicate Spot ignored\n");
369 if (@bad = BadWords::check($field[5])) {
370 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
375 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
376 # global spot filtering on INPUT
377 if ($self->{inspotsfilter}) {
378 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
380 dbg('chan', "PCPROT: Rejected by filter");
389 # @spot at this point contains:-
390 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
391 # then spotted itu, spotted cq, spotters itu, spotters cq
392 # you should be able to route on any of these
395 # fix up qra locators of known users
396 my $user = DXUser->get_current($spot[4]);
398 my $qra = $user->qra;
399 unless ($qra && DXBearing::is_qra($qra)) {
400 my $lat = $user->lat;
401 my $long = $user->long;
402 if (defined $lat && defined $long) {
403 $user->qra(DXBearing::lltoqra($lat, $long));
408 # send a remote command to a distant cluster if it is visible and there is no
409 # qra locator and we havn't done it for a month.
411 unless ($user->qra) {
413 my $to = $user->homenode;
414 my $last = $user->lastoper || 0;
415 if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = DXCluster->get_exact($to)) ) {
416 my $cmd = "forward/opernam $spot[4]";
417 # send the rcmd but we aren't interested in the replies...
418 if ($node && $node->dxchan && $node->dxchan->is_clx) {
419 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
421 route(undef, $to, pc34($main::mycall, $to, $cmd));
423 if ($to ne $field[7]) {
425 $node = DXCluster->get_exact($to);
426 if ($node && $node->dxchan && $node->dxchan->is_clx) {
427 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
429 route(undef, $to, pc34($main::mycall, $to, $cmd));
432 $user->lastoper($main::systime);
441 $r = Local::spot($self, @spot);
443 # dbg('local', "Local::spot1 error $@") if $@;
446 # DON'T be silly and send on PC26s!
447 return if $pcno == 26;
449 # send out the filtered spots
450 send_dx_spot($self, $line, @spot) if @spot;
454 if ($pcno == 12) { # announces
455 # announce duplicate checking
456 $field[3] =~ s/^\s+//; # remove leading blanks
457 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
458 dbg('chan', "PCPROT: Duplicate Announce ignored");
464 if (@bad = BadWords::check($field[3])) {
465 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
470 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
472 # global ann filtering on INPUT
473 if ($self->{inannfilter}) {
474 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
475 my @dxcc = Prefix::extract($field[1]);
477 $ann_dxcc = $dxcc[1]->dxcc;
478 $ann_itu = $dxcc[1]->itu;
479 $ann_cq = $dxcc[1]->cq();
481 @dxcc = Prefix::extract($field[5]);
483 $org_dxcc = $dxcc[1]->dxcc;
484 $org_itu = $dxcc[1]->itu;
485 $org_cq = $dxcc[1]->cq();
487 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
488 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
490 dbg('chan', "PCPROT: Rejected by filter");
496 $self->send_announce($line, @field[1..6]);
498 $self->route($field[2], $line);
514 if ($pcno == 16) { # add a user
515 my $node = DXCluster->get_exact($field[1]);
517 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
518 # add it to the node table if it isn't present and it's
520 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
521 dbg('chan', "PCPROT: $field[1] no PC19 yet, autovivified as node");
522 # broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
525 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
526 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
529 if ($field[2] eq $main::myalias && DXChannel->get($field[1])) {
530 dbg('chan', "PCPROT: trying to connect sysop from outside!");
534 dbg('chan', "PCPROT: Node $field[1] not in config");
537 unless ($node->isa('DXNode')) {
538 dbg('chan', "PCPROT: $field[1] is not a node");
541 if ($node->dxchan != $self) {
542 dbg('chan', "PCPROT: $field[1] came in on wrong channel");
545 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
546 dbg('chan', "PCPROT: $field[1] connected locally");
551 for ($i = 2; $i < $#field; $i++) {
552 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
553 next unless $call && $confmode && defined $here && is_callsign($call);
554 my $ref = DXCluster->get_exact($call);
556 if ($ref->isa('DXNode')) {
557 dbg('chan', "PCPROT: $call is a node");
560 my $rcall = $ref->mynode->call;
561 dbg('chan', "PCPROT: already have $call on $rcall");
565 $confmode = $confmode eq '*';
566 DXNodeuser->new($self, $node, $call, $confmode, $here);
568 # add this station to the user database, if required
569 $call =~ s/-\d+$//o; # remove ssid for users
570 my $user = DXUser->get_current($call);
571 $user = DXUser->new($call) if !$user;
572 $user->homenode($node->call) if !$user->homenode;
573 $user->node($node->call);
574 $user->lastin($main::systime) unless DXChannel->get($call);
578 # queue up any messages (look for privates only)
579 DXMsg::queue_msg(1) if $self->state eq 'normal';
580 # broadcast_route($line, $self, $field[1]);
585 if ($pcno == 17) { # remove a user
586 my $node = DXCluster->get_exact($field[2]);
588 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
589 # add it to the node table if it isn't present and it's
591 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
592 dbg('chan', "PCPROT: $field[2] no PC19 yet, autovivified as node");
593 # broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
595 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
596 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
599 if ($field[1] eq $main::myalias && DXChannel->get($field[1])) {
600 dbg('chan', "PCPROT: trying to disconnect sysop from outside!");
604 dbg('chan', "PCPROT: Node $field[2] not in config");
607 unless ($node->isa('DXNode')) {
608 dbg('chan', "PCPROT: $field[2] is not a node");
611 if ($node->dxchan != $self) {
612 dbg('chan', "PCPROT: $field[2] came in on wrong channel");
615 if ($dxchan = DXChannel->get($field[1])) {
616 dbg('chan', "PCPROT: $field[1] connected locally");
619 my $ref = DXCluster->get_exact($field[1]);
621 if ($ref->mynode != $node) {
622 dbg('chan', "PCPROT: $field[1] came in from wrong node $field[2]");
627 dbg('chan', "PCPROT: $field[1] not known" );
630 # broadcast_route($line, $self, $field[2]);
635 if ($pcno == 18) { # link request
636 $self->state('init');
638 # first clear out any nodes on this dxchannel
639 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
640 foreach my $node (@gonenodes) {
641 next if $node->dxchan == $DXProt::me;
642 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
645 $self->send_local_config();
647 return; # we don't pass these on
650 if ($pcno == 19) { # incoming cluster list
652 my $newline = "PC19^";
653 for ($i = 1; $i < $#field-1; $i += 4) {
654 my $here = $field[$i];
655 my $call = uc $field[$i+1];
656 my $confmode = $field[$i+2];
657 my $ver = $field[$i+3];
658 next unless defined $here && defined $confmode && is_callsign($call);
660 $ver = 5400 if !$ver && $allowzero;
662 # now check the call over
663 my $node = DXCluster->get_exact($call);
666 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
667 dbg('chan', "PCPROT: $call connected locally");
669 if ($node->dxchan != $self) {
670 dbg('chan', "PCPROT: $call come in on wrong channel");
673 my $rcall = $node->mynode->call;
674 dbg('chan', "PCPROT: already have $call on $rcall");
678 # check for sane parameters
679 next if $ver < 5000; # only works with version 5 software
680 next if length $call < 3; # min 3 letter callsigns
682 # add it to the nodes table and outgoing line
683 $newline .= "$here^$call^$confmode^$ver^";
684 DXNode->new($self, $call, $confmode, $here, $ver);
686 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
687 my $mref = DXMsg::get_busy($call);
688 $mref->stop_msg($call) if $mref;
690 # add this station to the user database, if required (don't remove SSID from nodes)
691 my $user = DXUser->get_current($call);
693 $user = DXUser->new($call);
695 $user->priv(1); # I have relented and defaulted nodes
696 $self->{priv} = 1; # to user RCMDs allowed
697 $user->homenode($call);
700 $user->lastin($main::systime) unless DXChannel->get($call);
704 return if $newline eq "PC19^";
707 $newline .= get_hops(19) . "^";
712 if ($pcno == 20) { # send local configuration
713 $self->send_local_config();
715 $self->state('normal');
719 if ($pcno == 21) { # delete a cluster from the list
720 my $call = uc $field[1];
721 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
722 my $node = DXCluster->get_exact($call);
724 unless ($node->isa('DXNode')) {
725 dbg('chan', "PCPROT: $call is not a node");
728 if ($call eq $self->{call}) {
729 dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
732 if ($node->dxchan != $self) {
733 dbg('chan', "PCPROT: $call come in on wrong channel");
737 if ($dxchan = DXChannel->get($call)) {
738 dbg('chan', "PCPROT: $call connected locally");
743 dbg('chan', "PCPROT: $call not in table, dropped");
747 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
750 # broadcast_route($line, $self, $call);
756 $self->state('normal');
760 if ($pcno == 23 || $pcno == 27) { # WWV info
762 # route 'foreign' pc27s
764 if ($field[8] ne $main::mycall) {
765 $self->route($field[8], $line);
771 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
772 my $sfi = unpad($field[3]);
773 my $k = unpad($field[4]);
774 my $i = unpad($field[5]);
775 my ($r) = $field[6] =~ /R=(\d+)/;
777 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
778 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
781 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
782 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
785 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
787 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
791 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
793 # dbg('local', "Local::wwv2 error $@") if $@;
796 # DON'T be silly and send on PC27s!
797 return if $pcno == 27;
799 # broadcast to the eager world
800 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
804 if ($pcno == 24) { # set here status
805 my $call = uc $field[1];
806 my $ref = DXCluster->get_exact($call);
807 $ref->here($field[2]) if $ref;
811 if ($pcno == 25) { # merge request
812 if ($field[1] ne $main::mycall) {
813 $self->route($field[1], $line);
816 if ($field[2] eq $main::mycall) {
817 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
821 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
825 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
828 $self->send(pc26(@{$in}[0..4], $field[2]));
834 my @in = reverse Geomag::search(0, $field[4], time, 1);
837 $self->send(pc27(@{$in}[0..5], $field[2]));
843 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
844 if ($pcno == 49 || $field[1] eq $main::mycall) {
845 DXMsg::process($self, $line);
847 $self->route($field[1], $line) unless $self->is_clx;
852 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
853 if ($field[1] eq $main::mycall) {
854 my $ref = DXUser->get_current($field[2]);
855 my $cref = DXCluster->get($field[2]);
856 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
857 unless (!$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
858 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
859 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
860 my $oldpriv = $self->{priv};
861 $self->{priv} = $ref->{priv}; # assume the user's privilege level
862 my @in = (DXCommandmode::run_cmd($self, $field[3]));
863 $self->{priv} = $oldpriv;
866 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
867 Log('rcmd', 'out', $field[2], $_);
869 delete $self->{remotecmd};
871 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
874 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
877 my $ref = DXUser->get_current($field[1]);
878 if ($ref && $ref->is_clx) {
879 $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
881 $self->route($field[1], $line);
887 if ($pcno == 35) { # remote command replies
888 if ($field[1] eq $main::mycall) {
889 my $s = $rcmds{$field[2]};
891 my $dxchan = DXChannel->get($s->{call});
892 $dxchan->send($field[3]) if $dxchan;
893 delete $rcmds{$field[2]} if !$dxchan;
895 # send unsolicited ones to the sysop
896 my $dxchan = DXChannel->get($main::myalias);
897 $dxchan->send($field[3]) if $dxchan;
900 my $ref = DXUser->get_current($field[1]);
901 if ($ref && $ref->is_clx) {
902 $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
904 $self->route($field[1], $line);
910 # for pc 37 see 44 onwards
912 if ($pcno == 38) { # node connected list from neighbour
916 if ($pcno == 39) { # incoming disconnect
917 if ($field[1] eq $self->{call}) {
918 $self->disconnect(1);
920 dbg('chan', "PCPROT: came in on wrong channel");
925 if ($pcno == 41) { # user info
926 # add this station to the user database, if required
927 my $user = DXUser->get_current($field[1]);
928 $user = DXUser->new($field[1]) if !$user;
930 if ($field[2] == 1) {
931 $user->name($field[3]);
932 } elsif ($field[2] == 2) {
933 $user->qth($field[3]);
934 } elsif ($field[2] == 3) {
935 my ($lat, $long) = DXBearing::stoll($field[3]);
938 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
939 } elsif ($field[2] == 4) {
940 $user->homenode($field[3]);
942 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
949 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
950 DXDb::process($self, $line);
954 if ($pcno == 50) { # keep alive/user list
955 my $node = DXCluster->get_exact($field[1]);
957 return unless $node->isa('DXNode');
958 return unless $node->dxchan == $self;
959 $node->update_users($field[2]);
964 if ($pcno == 51) { # incoming ping requests/answers
967 if ($field[1] eq $main::mycall) {
968 my $flag = $field[3];
970 $self->send(pc51($field[2], $field[1], '0'));
972 # it's a reply, look in the ping list for this one
973 my $ref = $pings{$field[2]};
975 my $tochan = DXChannel->get($field[2]);
978 my $dxchan = DXChannel->get($r->{call});
980 my $t = tv_interval($r->{t}, [ gettimeofday ]);
981 if ($dxchan->is_user) {
982 my $s = sprintf "%.2f", $t;
983 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
984 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
985 } elsif ($dxchan->is_node) {
987 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
988 push @{$tochan->{pingtime}}, $t;
989 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
991 for (@{$tochan->{pingtime}}) {
994 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1001 # route down an appropriate thingy
1002 $self->route($field[1], $line);
1007 if ($pcno == 75) { # dunno but route it
1008 if ($field[1] ne $main::mycall) {
1009 $self->route($field[1], $line);
1014 if ($pcno == 73) { # WCY broadcasts
1017 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
1018 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1019 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
1022 @field = map { unpad($_) } @field;
1023 if (WCY::dup($d,@field[3..7])) {
1024 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
1028 my $wcy = WCY::update($d, @field[2..12]);
1032 $rep = Local::wwv($self, @field[1..12]);
1034 # dbg('local', "Local::wcy error $@") if $@;
1037 # broadcast to the eager world
1038 send_wcy_spot($self, $line, $d, @field[2..12]);
1042 if ($pcno == 84) { # remote commands (incoming)
1043 if ($field[1] eq $main::mycall) {
1044 my $ref = DXUser->get_current($field[2]);
1045 my $cref = DXCluster->get($field[2]);
1046 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
1047 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
1048 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1049 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1050 my $oldpriv = $self->{priv};
1051 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1052 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1053 $self->{priv} = $oldpriv;
1056 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1057 Log('rcmd', 'out', $field[2], $_);
1059 delete $self->{remotecmd};
1061 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1064 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1067 my $ref = DXUser->get_current($field[1]);
1068 if ($ref && $ref->is_clx) {
1069 $self->route($field[1], $line);
1071 $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1077 if ($pcno == 85) { # remote command replies
1078 if ($field[1] eq $main::mycall) {
1079 my $dxchan = DXChannel->get($field[3]);
1081 $dxchan->send($field[4]);
1083 my $s = $rcmds{$field[2]};
1085 $dxchan = DXChannel->get($s->{call});
1086 $dxchan->send($field[4]) if $dxchan;
1087 delete $rcmds{$field[2]} if !$dxchan;
1089 # send unsolicited ones to the sysop
1090 my $dxchan = DXChannel->get($main::myalias);
1091 $dxchan->send($field[4]) if $dxchan;
1095 my $ref = DXUser->get_current($field[1]);
1096 if ($ref && $ref->is_clx) {
1097 $self->route($field[1], $line);
1099 $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1106 # if get here then rebroadcast the thing with its Hop count decremented (if
1107 # there is one). If it has a hop count and it decrements to zero then don't
1110 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1114 unless ($self->{isolate}) {
1115 broadcast_ak1a($line, $self); # send it to everyone but me
1120 # This is called from inside the main cluster processing loop and is used
1121 # for despatching commands that are doing some long processing job
1126 my @dxchan = DXChannel->get_all();
1129 foreach $dxchan (@dxchan) {
1130 next unless $dxchan->is_node();
1131 next if $dxchan == $me;
1133 # send a pc50 out on this channel
1134 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1135 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1136 $dxchan->send(pc50(scalar DXChannel::get_all_users));
1137 $dxchan->{pc50_t} = $t;
1140 # send a ping out on this channel
1141 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1142 if ($dxchan->{nopings} <= 0) {
1143 $dxchan->disconnect;
1145 addping($main::mycall, $dxchan->call);
1146 $dxchan->{nopings} -= 1;
1147 $dxchan->{lastping} = $t;
1155 if ($main::systime - 3600 > $last_hour) {
1159 $last_hour = $main::systime;
1164 # finish up a pc context
1168 # some active measures
1174 my @dxchan = DXChannel::get_all_nodes();
1177 # send it if it isn't the except list and isn't isolated and still has a hop count
1178 # taking into account filtering and so on
1179 foreach $dxchan (@dxchan) {
1181 my ($filter, $hops);
1183 if ($dxchan->{routefilter}) {
1184 ($filter, $hops) = $dxchan->{routefilter}->it($self->{call}, @_);
1185 next unless $filter;
1187 next if $dxchan == $self;
1190 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1192 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1193 next unless $routeit;
1196 $dxchan->send($routeit) if $routeit;
1198 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1207 my @dxchan = DXChannel->get_all();
1210 # send it if it isn't the except list and isn't isolated and still has a hop count
1211 # taking into account filtering and so on
1212 foreach $dxchan (@dxchan) {
1214 my ($filter, $hops);
1216 if ($dxchan->{spotsfilter}) {
1217 ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1218 next unless $filter;
1221 if ($dxchan->is_node) {
1222 next if $dxchan == $self;
1225 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1227 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1228 next unless $routeit;
1231 $dxchan->send($routeit) if $routeit;
1233 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1235 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1236 my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1237 $buf .= "\a\a" if $dxchan->{beep};
1239 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1240 $dxchan->send($buf);
1242 $dxchan->delay($buf);
1252 my @dxchan = DXChannel->get_all();
1254 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1255 my @dxcc = Prefix::extract($_[7]);
1257 $wwv_dxcc = $dxcc[1]->dxcc;
1258 $wwv_itu = $dxcc[1]->itu;
1259 $wwv_cq = $dxcc[1]->cq;
1261 @dxcc = Prefix::extract($_[8]);
1263 $org_dxcc = $dxcc[1]->dxcc;
1264 $org_itu = $dxcc[1]->itu;
1265 $org_cq = $dxcc[1]->cq;
1268 # send it if it isn't the except list and isn't isolated and still has a hop count
1269 # taking into account filtering and so on
1270 foreach $dxchan (@dxchan) {
1272 my ($filter, $hops);
1274 if ($dxchan->{wwvfilter}) {
1275 ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1276 next unless $filter;
1278 if ($dxchan->is_node) {
1279 next if $dxchan == $self;
1282 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1284 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1285 next unless $routeit;
1288 $dxchan->send($routeit) if $routeit;
1290 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1293 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1294 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1295 $buf .= "\a\a" if $dxchan->{beep};
1296 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1297 $dxchan->send($buf);
1299 $dxchan->delay($buf);
1309 my @dxchan = DXChannel->get_all();
1311 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1312 my @dxcc = Prefix::extract($_[11]);
1314 $wcy_dxcc = $dxcc[1]->dxcc;
1315 $wcy_itu = $dxcc[1]->itu;
1316 $wcy_cq = $dxcc[1]->cq;
1318 @dxcc = Prefix::extract($_[12]);
1320 $org_dxcc = $dxcc[1]->dxcc;
1321 $org_itu = $dxcc[1]->itu;
1322 $org_cq = $dxcc[1]->cq;
1325 # send it if it isn't the except list and isn't isolated and still has a hop count
1326 # taking into account filtering and so on
1327 foreach $dxchan (@dxchan) {
1329 my ($filter, $hops);
1331 if ($dxchan->{wcyfilter}) {
1332 ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1333 next unless $filter;
1335 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1336 next if $dxchan == $self;
1339 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1341 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1342 next unless $routeit;
1345 $dxchan->send($routeit) if $routeit;
1347 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1349 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1350 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1351 $buf .= "\a\a" if $dxchan->{beep};
1352 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1353 $dxchan->send($buf);
1355 $dxchan->delay($buf);
1366 my @dxchan = DXChannel->get_all();
1368 my $text = unpad($_[2]);
1372 if ($_[3] eq '*') { # sysops
1374 } elsif ($_[3] gt ' ') { # speciality list handling
1375 my ($name) = split /\./, $_[3];
1376 $target = "$name"; # put the rest in later (if bothered)
1383 $target = "ALL" if !$target;
1385 Log('ann', $target, $_[0], $text);
1387 # obtain country codes etc
1388 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1389 my @dxcc = Prefix::extract($_[0]);
1391 $ann_dxcc = $dxcc[1]->dxcc;
1392 $ann_itu = $dxcc[1]->itu;
1393 $ann_cq = $dxcc[1]->cq;
1395 @dxcc = Prefix::extract($_[4]);
1397 $org_dxcc = $dxcc[1]->dxcc;
1398 $org_itu = $dxcc[1]->itu;
1399 $org_cq = $dxcc[1]->cq;
1402 # send it if it isn't the except list and isn't isolated and still has a hop count
1403 # taking into account filtering and so on
1404 foreach $dxchan (@dxchan) {
1406 my ($filter, $hops);
1408 if ($dxchan->{annfilter}) {
1409 ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1410 next unless $filter;
1412 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1413 next if $dxchan == $self;
1416 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1418 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1419 next unless $routeit;
1422 $dxchan->send($routeit) if $routeit;
1424 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1427 } elsif ($dxchan->is_user) {
1428 unless ($dxchan->{ann}) {
1429 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1431 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1432 my $buf = "$to$target de $_[0]: $text";
1434 $buf .= "\a\a" if $dxchan->{beep};
1435 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1436 $dxchan->send($buf);
1438 $dxchan->delay($buf);
1444 sub send_local_config
1453 if ($self->{isolate}) {
1454 @localnodes = (DXCluster->get_exact($main::mycall));
1456 # create a list of all the nodes that are not connected to this connection
1457 # and are not themselves isolated, this to make sure that isolated nodes
1458 # don't appear outside of this node
1459 @nodes = DXNode::get_all();
1460 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1461 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1462 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1463 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1464 unshift @localnodes, DXCluster->get_exact($main::mycall);
1465 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1468 my @s = $me->pc19(@localnodes, @remotenodes);
1470 my $routeit = adjust_hops($self, $_);
1471 $self->send($routeit) if $routeit;
1474 # get all the users connected on the above nodes and send them out
1475 foreach $n (@localnodes, @remotenodes) {
1476 my @users = values %{$n->list};
1477 my @s = pc16($n, @users);
1479 my $routeit = adjust_hops($self, $_);
1480 $self->send($routeit) if $routeit;
1486 # route a message down an appropriate interface for a callsign
1488 # is called route(to, pcline);
1492 my ($self, $call, $line) = @_;
1494 if (ref $self && $call eq $self->{call}) {
1495 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1499 # always send it down the local interface if available
1500 my $dxchan = DXChannel->get($call);
1502 my $cl = DXCluster->get_exact($call);
1503 $dxchan = $cl->dxchan if $cl;
1505 if (ref $self && $dxchan eq $self) {
1506 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1512 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1514 $dxchan->send($routeit);
1517 dbg('chan', "PCPROT: No route available, dropped");
1521 # broadcast a message to all clusters taking into account isolation
1522 # [except those mentioned after buffer]
1525 my $s = shift; # the line to be rebroadcast
1526 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1527 my @dxchan = DXChannel::get_all_nodes();
1530 # send it if it isn't the except list and isn't isolated and still has a hop count
1531 foreach $dxchan (@dxchan) {
1532 next if grep $dxchan == $_, @except;
1533 next if $dxchan == $me;
1535 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1536 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1540 # broadcast a message to all clusters ignoring isolation
1541 # [except those mentioned after buffer]
1542 sub broadcast_all_ak1a
1544 my $s = shift; # the line to be rebroadcast
1545 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1546 my @dxchan = DXChannel::get_all_nodes();
1549 # send it if it isn't the except list and isn't isolated and still has a hop count
1550 foreach $dxchan (@dxchan) {
1551 next if grep $dxchan == $_, @except;
1552 next if $dxchan == $me;
1554 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1555 $dxchan->send($routeit);
1559 # broadcast to all users
1560 # storing the spot or whatever until it is in a state to receive it
1563 my $s = shift; # the line to be rebroadcast
1564 my $sort = shift; # the type of transmission
1565 my $fref = shift; # a reference to an object to filter on
1566 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1567 my @dxchan = DXChannel::get_all_users();
1571 foreach $dxchan (@dxchan) {
1572 next if grep $dxchan == $_, @except;
1575 broadcast_list($s, $sort, $fref, @out);
1578 # broadcast to a list of users
1586 foreach $dxchan (@_) {
1588 next if $dxchan == $me;
1590 if ($sort eq 'dx') {
1591 next unless $dxchan->{dx};
1592 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1593 next unless $filter;
1595 next if $sort eq 'ann' && !$dxchan->{ann};
1596 next if $sort eq 'wwv' && !$dxchan->{wwv};
1597 next if $sort eq 'wcy' && !$dxchan->{wcy};
1598 next if $sort eq 'wx' && !$dxchan->{wx};
1600 $s =~ s/\a//og unless $dxchan->{beep};
1602 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1612 # obtain the hops from the list for this callsign and pc no
1618 my $hops = $DXProt::hopcount{$pcno};
1619 $hops = $DXProt::def_hopcount if !$hops;
1624 # adjust the hop count on a per node basis using the user loadable
1625 # hop table if available or else decrement an existing one
1632 my $call = $self->{call};
1635 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1636 my ($pcno) = $s =~ /^PC(\d\d)/o;
1637 confess "$call called adjust_hops with '$s'" unless $pcno;
1638 my $ref = $nodehops{$call} if %nodehops;
1640 my $newhops = $ref->{$pcno};
1641 return "" if defined $newhops && $newhops == 0;
1642 $newhops = $ref->{default} unless $newhops;
1643 return "" if defined $newhops && $newhops == 0;
1644 $newhops = $hops if !$newhops;
1645 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1647 # simply decrement it
1649 return "" if !$hops;
1650 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1662 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1663 do "$main::data/hop_table.pl";
1669 # add a ping request to the ping queues
1672 my ($from, $to) = @_;
1673 my $ref = $pings{$to} || [];
1676 $r->{t} = [ gettimeofday ];
1677 route(undef, $to, pc51($to, $main::mycall, 1));
1682 # add a rcmd request to the rcmd queues
1685 my ($self, $to, $cmd) = @_;
1688 $r->{call} = $self->{call};
1689 $r->{t} = $main::systime;
1693 my $ref = DXCluster->get_exact($to);
1694 if ($ref && $ref->dxchan && $ref->dxchan->is_clx) {
1695 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1697 route(undef, $to, pc34($main::mycall, $to, $cmd));
1704 my $pc39flag = shift;
1705 my $call = $self->call;
1707 unless ($pc39flag && $pc39flag == 1) {
1708 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1711 # unbusy and stop and outgoing mail
1712 my $mref = DXMsg::get_busy($call);
1713 $mref->stop_msg($call) if $mref;
1715 # create a list of all the nodes that have gone and delete them from the table
1717 foreach my $node (grep { $_->dxchancall eq $call } DXNode::get_all) {
1718 next if $node->call eq $call;
1719 next if $node->call eq $main::mycall;
1720 push @nodes, $node->call;
1724 # broadcast to all other nodes that all the nodes connected to via me are gone
1725 unless ($pc39flag && $pc39flag == 2) {
1726 unless ($self->{isolate}) {
1729 broadcast_ak1a(pc21($_, 'Gone.'), $self);
1734 # remove this node from the tables
1735 my $node = DXCluster->get_exact($call);
1736 $node->del if $node;
1738 # remove outstanding pings
1739 delete $pings{$call};
1741 # I was the last node visited
1742 $self->user->node($main::mycall);
1744 # send info to all logged in thingies
1745 $self->tell_login('logoutn');
1747 Log('DXProt', $call . " Disconnected");
1749 $self->SUPER::disconnect;
1754 # send a talk message to this thingy
1758 my ($self, $from, $to, $via, $line) = @_;
1760 $line =~ s/\^/\\5E/g; # remove any ^ characters
1761 $self->send(DXProt::pc10($from, $to, $via, $line));
1762 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);