fiddle with 8 bit characters, start to check everything more rigourously
[spider.git] / perl / DXProt.pm
index fb1b4b95b85e1b28ae0b2e40ae27164f42070699..310416e8dfda883713b863a969a080867e2d55a6 100644 (file)
@@ -34,10 +34,9 @@ use strict;
 use vars qw($me $pc11_max_age $pc23_max_age
                        $last_hour %pings %rcmds
                        %nodehops @baddx $baddxfn 
-                       $allowzero $decode_dk0wcy);
+                       $allowzero $decode_dk0wcy $send_opernam);
 
 $me = undef;                                   # the channel id for this cluster
-$decode_dk0wcy = undef;                        # if set use this callsign to decode announces from the EU WWV data beacon
 $pc11_max_age = 1*3600;                        # the maximum age for an incoming 'real-time' pc11
 $pc23_max_age = 1*3600;                        # the maximum age for an incoming 'real-time' pc23
 
@@ -97,8 +96,8 @@ sub start
        # remember type of connection
        $self->{consort} = $line;
        $self->{outbound} = $sort eq 'O';
-       $self->{priv} = $user->priv;
-       $self->{lang} = $user->lang;
+       $self->{priv} = $user->priv || 1;     # other clusters can always be 'normal' users
+       $self->{lang} = $user->lang || 'en';
        $self->{isolate} = $user->{isolate};
        $self->{consort} = $line;       # save the connection type
        $self->{here} = 1;
@@ -159,8 +158,8 @@ sub normal
        return unless $pcno;
        return if $pcno < 10 || $pcno > 99;
 
-       # dump bad protocol messages unless it is a PC29
-       if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
+       # dump bad protocol messages
+       if ($line =~ /\%[01][0-9A-F]/) {
                dbg('chan', "CORRUPT protocol message - dumped");
                return;
        }
@@ -176,16 +175,24 @@ sub normal
  SWITCH: {
                if ($pcno == 10) {              # incoming talk
                        
+                       unless (is_callsign($field[1]) && is_callsign($field[2]) && is_callsign($field[6])) {
+                               dbg('chan', "Corrupt talk, rejected");
+                               return;
+                       }
                        # is it for me or one of mine?
-                       my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
-                       if ($call eq $main::mycall || grep $_ eq $call, DXChannel::get_all_user_calls()) {
-                               
-                               # yes, it is
-                               my $text = unpad($field[3]);
-                               Log('talk', $call, $field[1], $field[6], $text);
-                               $call = $main::myalias if $call eq $main::mycall;
-                               my $ref = DXChannel->get($call);
-                               $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
+                       my ($to, $via, $call, $dxchan);
+                       if ($field[5] gt ' ') {
+                               $call = $via = $field[2];
+                               $to = $field[5];
+                               unless (is_callsign($to)) {
+                                       dbg('chan', "Corrupt talk, rejected");
+                                       return;
+                               }
+                       } else {
+                               $call = $to = $field[2];
+                       }
+                       if ($dxchan = DXChannel->get($call)) {
+                               $dxchan->talk($field[1], $to, $via, $field[3]);
                        } else {
                                $self->route($field[2], $line); # relay it on its way
                        }
@@ -194,6 +201,16 @@ sub normal
                
                if ($pcno == 11 || $pcno == 26) { # dx spot
 
+                       # are any of the callsign fields invalid?
+            unless ($field[2] !~ m/[^A-Z0-9\-\/]/ && is_callsign($field[6]) && is_callsign($field[7])) {
+                               dbg('chan', "Spot contains lower case callsigns or blanks, rejected");
+                               return;
+                       }
+            if ($field[1] =~ m/[^0-9\.]/) {
+                               dbg('chan', "Spot frequency not numeric, rejected");
+                               return;
+                       }
+
                        # route 'foreign' pc26s 
                        if ($pcno == 26) {
                                if ($field[7] ne $main::mycall) {
@@ -221,14 +238,9 @@ sub normal
                                dbg('chan', "Bad DX spot, ignored");
                                return;
                        }
-
-                       # are any of the crucial fields invalid?
-            if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
-                               dbg('chan', "Spot contains lower case callsigns, rejected");
-                               return;
-                       }
                        
                        # do some de-duping
+                       $field[5] =~ s/^\s+//;      # take any leading blanks off
                        if (Spot::dup($field[1], $field[2], $d, $field[5])) {
                                dbg('chan', "Duplicate Spot ignored\n");
                                return;
@@ -243,6 +255,49 @@ sub normal
                        # you should be able to route on any of these
             #
                        
+                       # fix up qra locators of known users 
+                       my $user = DXUser->get_current($spot[4]);
+                       if ($user) {
+                               my $qra = $user->qra;
+                               unless ($qra && DXBearing::is_qra($qra)) {
+                                       my $lat = $user->lat;
+                                       my $long = $user->long;
+                                       if (defined $lat && defined $long) {
+                                               $user->qra(DXBearing::lltoqra($lat, $long)); 
+                                               $user->put;
+                                       }
+                               }
+
+                               # send a remote command to a distant cluster if it is visible and there is no
+                               # qra locator and we havn't done it for a month.
+
+                               unless ($user->qra) {
+                                       my $node;
+                                       my $to = $user->homenode;
+                                       my $last = $user->lastoper || 0;
+                                       if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = DXCluster->get_exact($to)) ) {
+                                               my $cmd = "forward/opernam $spot[4]";
+                                               # send the rcmd but we aren't interested in the replies...
+                                               if ($node && $node->dxchan && $node->dxchan->is_clx) {
+                                                       route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
+                                               } else {
+                                                       route(undef, $to, pc34($main::mycall, $to, $cmd));
+                                               }
+                                               if ($to ne $field[7]) {
+                                                       $to = $field[7];
+                                                       $node = DXCluster->get_exact($to);
+                                                       if ($node && $node->dxchan && $node->dxchan->is_clx) {
+                                                               route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
+                                                       } else {
+                                                               route(undef, $to, pc34($main::mycall, $to, $cmd));
+                                                       }
+                                               }
+                                               $user->lastoper($main::systime);
+                                               $user->put;
+                                       }
+                               }
+                       }
+                               
                        # local processing 
                        my $r;
                        eval {
@@ -260,7 +315,13 @@ sub normal
                }
                
                if ($pcno == 12) {              # announces
+                       unless (is_callsign($field[1]) && is_callsign($field[2]) && is_callsign($field[5])) {
+                               dbg('chan', "Corrupt announce, rejected");
+                               return;
+                       }
+
                        # announce duplicate checking
+                       $field[3] =~ s/^\s+//;  # remove leading blanks
                        if (AnnTalk::dup($field[1], $field[2], $field[3])) {
                                dbg('chan', "Duplicate Announce ignored\n");
                                return;
@@ -279,13 +340,6 @@ sub normal
 
                                # send it
                                $self->send_announce($line, @field[1..6]);
-                               
-                               if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
-                                       my ($hour, $k, $next, $a, $r, $sfi, $alarm) = $field[3] =~ /^Aurora Beacon\s+(\d+)UTC,\s+Kiel\s+K=(\d+),.*ed\s+K=(\d+),\s+A=(\d+),\s+R=(\d+),\s+SFI=(\d+),.*larm:\s+(\w+)/;
-                                       $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : ''; 
-                                       my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
-                               }
-                               
                        } else {
                                $self->route($field[2], $line);
                        }
@@ -582,7 +636,7 @@ sub normal
                                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 $ref->homenode) {    # not allowed to relay RCMDS!
+                               unless (!$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};
@@ -619,6 +673,10 @@ sub normal
                                        my $dxchan = DXChannel->get($s->{call});
                                        $dxchan->send($field[3]) if $dxchan;
                                        delete $rcmds{$field[2]} if !$dxchan;
+                               } else {
+                                       # send unsolicited ones to the sysop
+                                       my $dxchan = DXChannel->get($main::myalias);
+                                       $dxchan->send($field[3]) if $dxchan;
                                }
                        } else {
                                my $ref = DXUser->get_current($field[1]);
@@ -660,9 +718,11 @@ sub normal
                                my ($lat, $long) = DXBearing::stoll($field[3]);
                                $user->lat($lat);
                                $user->long($long);
+                               $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
                        } elsif ($field[2] == 4) {
                                $user->homenode($field[3]);
                        }
+                       $user->lastoper($main::systime);   # to cut down on excessive for/opers being generated
                        $user->put;
                        last SWITCH;
                }
@@ -760,7 +820,7 @@ sub normal
                                my $ref = DXUser->get_current($field[2]);
                                my $cref = DXCluster->get($field[2]);
                                Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
-                               unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) {    # not allowed to relay RCMDS!
+                               unless ($field[4] =~ /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 = $self->{priv};
@@ -784,7 +844,7 @@ sub normal
                                if ($ref && $ref->is_clx) {
                                        $self->route($field[1], $line);
                                } else {
-                                       route($field[1], pc34($field[2], $field[1], $field[3]));
+                                       route($field[1], pc34($field[2], $field[1], $field[4]));
                                }
                        }
                        return;
@@ -801,6 +861,10 @@ sub normal
                                                $dxchan = DXChannel->get($s->{call});
                                                $dxchan->send($field[4]) if $dxchan;
                                                delete $rcmds{$field[2]} if !$dxchan;
+                                       } else {
+                                               # send unsolicited ones to the sysop
+                                               my $dxchan = DXChannel->get($main::myalias);
+                                               $dxchan->send($field[4]) if $dxchan;
                                        }
                                }
                        } else {
@@ -808,7 +872,7 @@ sub normal
                                if ($ref && $ref->is_clx) {
                                        $self->route($field[1], $line);
                                } else {
-                                       route($field[1], pc35($field[2], $field[1], $field[3]));
+                                       route($field[1], pc35($field[2], $field[1], $field[4]));
                                }
                        }
                        return;
@@ -947,9 +1011,9 @@ sub send_dx_spot
                                $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
                        }
                } elsif ($dxchan->is_user && $dxchan->{dx}) {
-                       my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
+                       my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
                        $buf .= "\a\a" if $dxchan->{beep};
-                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
                                $dxchan->send($buf);
                        } else {
                                $dxchan->delay($buf);
@@ -993,7 +1057,7 @@ sub send_wwv_spot
                } elsif ($dxchan->is_user && $dxchan->{wwv}) {
                        my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
                        $buf .= "\a\a" if $dxchan->{beep};
-                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
                                $dxchan->send($buf);
                        } else {
                                $dxchan->delay($buf);
@@ -1036,7 +1100,7 @@ sub send_wcy_spot
                } elsif ($dxchan->is_user && $dxchan->{wcy}) {
                        my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
                        $buf .= "\a\a" if $dxchan->{beep};
-                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
                                $dxchan->send($buf);
                        } else {
                                $dxchan->delay($buf);
@@ -1100,7 +1164,7 @@ sub send_announce
                        next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
                        my $buf = "$to$target de $_[0]: $text";
                        $buf .= "\a\a" if $dxchan->{beep};
-                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+                       if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
                                $dxchan->send($buf);
                        } else {
                                $dxchan->delay($buf);
@@ -1251,7 +1315,7 @@ sub broadcast_list
 
                $s =~ s/\a//og unless $dxchan->{beep};
 
-               if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+               if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
                        $dxchan->send($s);      
                } else {
                        $dxchan->delay($s);
@@ -1361,5 +1425,23 @@ sub disconnect
 
        $self->SUPER::disconnect;
 }
+
+# check that a field only has callsign characters in it
+sub is_callsign
+{
+       return $_[0] !~ /[^A-Z0-9\-]/
+}
+
+# 
+# send a talk message to this thingy
+#
+sub talk
+{
+       my ($self, $from, $to, $via, $line) = @_;
+       
+       $line =~ s/\^/\\5E/g;                   # remove any ^ characters
+       $self->send(DXProt::pc10($from, $to, $via, $line));
+       Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
+}
 1;
 __END__