- # check for sane parameters
- next if $ver < 5000; # only works with version 5 software
- next if length $call < 3; # min 3 letter callsigns
- DXNode->new($self, $call, $confmode, $here, $ver);
- }
- last SWITCH;
- }
-
- if ($pcno == 20) { # send local configuration
- $self->send_local_config();
- $self->send(pc22());
- return;
- }
-
- if ($pcno == 21) { # delete a cluster from the list
- my $call = uc $field[1];
- my $ref = DXCluster->get($call);
- $ref->del() if $ref;
- last SWITCH;
- }
-
- if ($pcno == 22) {last SWITCH;}
- if ($pcno == 23) {last SWITCH;}
-
- if ($pcno == 24) { # set here status
- my $call = uc $field[1];
- $call =~ s/-\d+//o;
- my $ref = DXCluster->get($call);
- $ref->here($field[2]) if $ref;
- last SWITCH;
- }
-
- if ($pcno == 25) {last SWITCH;}
- if ($pcno == 26) {last SWITCH;}
- if ($pcno == 27) {last SWITCH;}
- if ($pcno == 28) {last SWITCH;}
- if ($pcno == 29) {last SWITCH;}
- if ($pcno == 30) {last SWITCH;}
- if ($pcno == 31) {last SWITCH;}
- if ($pcno == 32) {last SWITCH;}
- if ($pcno == 33) {last SWITCH;}
- if ($pcno == 34) {last SWITCH;}
- if ($pcno == 35) {last SWITCH;}
- if ($pcno == 36) {last SWITCH;}
- if ($pcno == 37) {last SWITCH;}
- if ($pcno == 38) {last SWITCH;}
-
- if ($pcno == 39) { # incoming disconnect
- $self->disconnect();
- return;
- }
-
- if ($pcno == 40) {last SWITCH;}
- if ($pcno == 41) { # user info
- # add this station to the user database, if required
- my $user = DXUser->get_current($field[1]);
- $user = DXUser->new($field[1]) if !$user;
-
- if ($field[2] == 1) {
- $user->name($field[3]);
- } elsif ($field[2] == 2) {
- $user->qth($field[3]);
- } elsif ($field[2] == 3) {
- my ($latd, $latm, $latl, $longd, $longm, $longl) = split /\s+/, $field[3];
- $longd += ($longm/60);
- $longd = 0-$longd if (uc $longl) eq 'W';
- $user->long($longd);
- $latd += ($latm/60);
- $latd = 0-$latd if (uc $latl) eq 'S';
- $user->lat($latd);
- } elsif ($field[2] == 4) {
- $user->node($field[3]);
- }
- $user->put;
- last SWITCH;
- }
- if ($pcno == 42) {last SWITCH;}
- if ($pcno == 43) {last SWITCH;}
- if ($pcno == 44) {last SWITCH;}
- if ($pcno == 45) {last SWITCH;}
- if ($pcno == 46) {last SWITCH;}
- if ($pcno == 47) {last SWITCH;}
- if ($pcno == 48) {last SWITCH;}
- if ($pcno == 49) {last SWITCH;}
-
- if ($pcno == 50) { # keep alive/user list
- my $ref = DXCluster->get($field[1]);
- $ref->update_users($field[2]) if $ref;
- last SWITCH;
- }
-
- if ($pcno == 51) { # incoming ping requests/answers
-
- # is it for us?
- if ($field[1] eq $main::mycall) {
- my $flag = $field[3];
- $flag ^= 1;
- $self->send($self->pc51($field[2], $field[1], $flag));
- } else {
- # route down an appropriate thingy
- route($field[1], $line);
- }
- return;
+ if ($pcno == 20) { # send local configuration
+ $self->send_local_config();
+ $self->send(pc22());
+ $self->state('normal');
+ return;
+ }
+
+ if ($pcno == 21) { # delete a cluster from the list
+ my $call = uc $field[1];
+ if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
+ my $node = DXCluster->get_exact($call);
+ if ($node) {
+ if ($node->dxchan != $self) {
+ dbg('chan', "LOOP: $call come in on wrong channel");
+ return;
+ }
+ my $dxchan;
+ if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
+ dbg('chan', "LOOP: $call connected locally");
+ return;
+ }
+ $node->del();
+ } else {
+ dbg('chan', "$call not in table, dropped");
+ return;
+ }
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 22) {
+ $self->state('normal');
+ return;
+ }
+
+ if ($pcno == 23 || $pcno == 27) { # WWV info
+
+ # route 'foreign' pc27s
+ if ($pcno == 27) {
+ if ($field[8] ne $main::mycall) {
+ $self->route($field[8], $line);
+ return;
+ }
+ }
+
+ # do some de-duping
+ my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
+ my $sfi = unpad($field[3]);
+ my $k = unpad($field[4]);
+ my $i = unpad($field[5]);
+ my ($r) = $field[6] =~ /R=(\d+)/;
+ $r = 0 unless $r;
+ if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
+ dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
+ return;
+ }
+ if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
+ dbg('chan', "Dup WWV Spot ignored\n");
+ return;
+ }
+ $field[7] =~ s/-\d+$//o; # remove spotter's ssid
+
+ my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
+
+ my $rep;
+ eval {
+ $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
+ };
+# dbg('local', "Local::wwv2 error $@") if $@;
+ return if $rep;
+
+ # DON'T be silly and send on PC27s!
+ return if $pcno == 27;
+
+ # broadcast to the eager world
+ send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
+ return;
+ }
+
+ if ($pcno == 24) { # set here status
+ my $call = uc $field[1];
+ my $ref = DXCluster->get_exact($call);
+ $ref->here($field[2]) if $ref;
+ last SWITCH;
+ }
+
+ if ($pcno == 25) { # merge request
+ if ($field[1] ne $main::mycall) {
+ $self->route($field[1], $line);
+ return;
+ }
+ if ($field[2] eq $main::mycall) {
+ dbg('chan', "Trying to merge to myself, ignored");
+ return;
+ }
+
+ Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
+
+ # spots
+ if ($field[3] > 0) {
+ my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
+ my $in;
+ foreach $in (@in) {
+ $self->send(pc26(@{$in}[0..4], $field[2]));
+ }
+ }
+
+ # wwv
+ if ($field[4] > 0) {
+ my @in = reverse Geomag::search(0, $field[4], time, 1);
+ my $in;
+ foreach $in (@in) {
+ $self->send(pc27(@{$in}[0..5], $field[2]));
+ }
+ }
+ return;
+ }
+
+ if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
+ if ($pcno == 49 || $field[1] eq $main::mycall) {
+ DXMsg::process($self, $line);
+ } else {
+ $self->route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
+ if ($field[1] eq $main::mycall) {
+ my $ref = DXUser->get_current($field[2]);
+ my $cref = DXCluster->get($field[2]);
+ Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
+ unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
+ if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
+ $self->{remotecmd} = 1; # for the benefit of any command that needs to know
+ my $oldpriv = $self->{priv};
+ $self->{priv} = $ref->{priv}; # assume the user's privilege level
+ my @in = (DXCommandmode::run_cmd($self, $field[3]));
+ $self->{priv} = $oldpriv;
+ for (@in) {
+ s/\s*$//og;
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
+ Log('rcmd', 'out', $field[2], $_);
+ }
+ delete $self->{remotecmd};
+ } else {
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
+ }
+ } else {
+ $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
+ }
+ } else {
+ $self->route($field[1], $line);
+ }
+ return;
+ }
+
+ if ($pcno == 35) { # remote command replies
+ if ($field[1] eq $main::mycall) {
+ my $s = $rcmds{$field[2]};
+ if ($s) {
+ my $dxchan = DXChannel->get($s->{call});
+ $dxchan->send($field[3]) if $dxchan;
+ delete $rcmds{$field[2]} if !$dxchan;
+ }
+ } else {
+ $self->route($field[1], $line);
+ }
+ return;
+ }
+
+ # for pc 37 see 44 onwards
+
+ if ($pcno == 38) { # node connected list from neighbour
+ return;
+ }
+
+ if ($pcno == 39) { # incoming disconnect
+ $self->disconnect(1);
+ return;
+ }
+
+ if ($pcno == 41) { # user info
+ # add this station to the user database, if required
+ my $user = DXUser->get_current($field[1]);
+ if (!$user) {
+ # then try without an SSID
+ $field[1] =~ s/-\d+$//o;
+ $user = DXUser->get_current($field[1]);
+ }
+ $user = DXUser->new($field[1]) if !$user;
+
+ if ($field[2] == 1) {
+ $user->name($field[3]);
+ } elsif ($field[2] == 2) {
+ $user->qth($field[3]);
+ } elsif ($field[2] == 3) {
+ my ($lat, $long) = DXBearing::stoll($field[3]);
+ $user->lat($lat);
+ $user->long($long);
+ } elsif ($field[2] == 4) {
+ $user->homenode($field[3]);
+ }
+ $user->put;
+ last SWITCH;
+ }
+ if ($pcno == 43) {
+ last SWITCH;
+ }
+ if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
+ DXDb::process($self, $line);
+ return;
+ }
+
+ if ($pcno == 50) { # keep alive/user list
+ my $node = DXCluster->get_exact($field[1]);
+ if ($node) {
+ return unless $node->isa('DXNode');
+ return unless $node->dxchan == $self;
+ $node->update_users($field[2]);
+ }
+ last SWITCH;
+ }
+
+ if ($pcno == 51) { # incoming ping requests/answers
+
+ # is it for us?
+ if ($field[1] eq $main::mycall) {
+ my $flag = $field[3];
+ if ($flag == 1) {
+ $self->send(pc51($field[2], $field[1], '0'));
+ } else {
+ # it's a reply, look in the ping list for this one
+ my $ref = $pings{$field[2]};
+ if ($ref) {
+ my $tochan = DXChannel->get($field[2]);
+ while (@$ref) {
+ my $r = shift @$ref;
+ my $dxchan = DXChannel->get($r->{call});
+ next unless $dxchan;
+ my $t = tv_interval($r->{t}, [ gettimeofday ]);
+ if ($dxchan->is_user) {
+ my $s = sprintf "%.2f", $t;
+ my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+ $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
+ } elsif ($dxchan->is_ak1a) {
+ if ($tochan) {
+ $tochan->{nopings} = 2; # pump up the timer
+ push @{$tochan->{pingtime}}, $t;
+ shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
+ my $st;
+ for (@{$tochan->{pingtime}}) {
+ $st += $_;
+ }
+ $tochan->{pingave} = $st / @{$tochan->{pingtime}};
+ }
+ }
+ }
+ }
+ }
+ } else {
+ # route down an appropriate thingy
+ $self->route($field[1], $line);
+ }
+ return;
+ }