made all protocol except PC29 reject %xx characters
[spider.git] / perl / DXProt.pm
index 17328bc2cc6ee79c9e31d76cd31cd8df929d393d..7d429b1b7c3aa74375294b23169721742863f2c6 100644 (file)
@@ -31,7 +31,7 @@ use strict;
 use vars qw($me $pc11_max_age $pc11_dup_age $pc23_dup_age 
                        %spotdup %wwvdup $last_hour %pings %rcmds 
                        %nodehops @baddx $baddxfn $pc12_dup_age
-                       %anndup);
+                       %anndup $allowzero);
 
 $me = undef;                                   # the channel id for this cluster
 $pc11_max_age = 1*3600;                        # the maximum age for an incoming 'real-time' pc11
@@ -149,7 +149,13 @@ sub normal
        my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
        return unless $pcno;
        return if $pcno < 10 || $pcno > 51;
-       
+
+       # dump bad protocol messages unless it is a PC29
+       if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
+               dbg('chan', "CORRUPT protocol message - dumped");
+               return;
+       }
+
        # local processing 1
        my $pcr;
        eval {
@@ -371,9 +377,17 @@ sub normal
                }
                
                if ($pcno == 18) {              # link request
+                       $self->state('init');   
+
+                       # first clear out any nodes on this dxchannel
+                       my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
+                       foreach my $node (@gonenodes) {
+                               next if $node->dxchan == $DXProt::me;
+                               broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate}; 
+                               $node->del();
+                       }
                        $self->send_local_config();
                        $self->send(pc20());
-                       $self->state('init');   
                        return;             # we don't pass these on
                }
                
@@ -385,6 +399,8 @@ sub normal
                                my $call = uc $field[$i+1];
                                my $confmode = $field[$i+2];
                                my $ver = $field[$i+3];
+
+                               $ver = 5400 if !$ver && $allowzero;
                                
                                # now check the call over
                                my $node = DXCluster->get_exact($call);
@@ -411,7 +427,7 @@ sub normal
                                
                                # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
                                my $mref = DXMsg::get_busy($call);
-                               $mref->stop_msg($self) if $mref;
+                               $mref->stop_msg($call) if $mref;
                                
                                # add this station to the user database, if required (don't remove SSID from nodes)
                                my $user = DXUser->get_current($call);
@@ -427,8 +443,6 @@ sub normal
                                $user->put;
                        }
                        
-                       # queue up any messages
-                       DXMsg::queue_msg(0) if $self->state eq 'normal';
                        return if $newline eq "PC19^";
 
                        # add hop count 
@@ -441,10 +455,6 @@ sub normal
                        $self->send_local_config();
                        $self->send(pc22());
                        $self->state('normal');
-                       
-                       # queue mail
-                       DXMsg::queue_msg(0);
-
                        return;
                }
                
@@ -473,12 +483,9 @@ sub normal
                
                if ($pcno == 22) {
                        $self->state('normal');
-                       
-                       # queue mail
-                       DXMsg::queue_msg(0);
                        return;
                }
-               
+                               
                if ($pcno == 23 || $pcno == 27) { # WWV info
                        
                        # route 'foreign' pc27s 
@@ -506,11 +513,11 @@ sub normal
                        $wwvdup{$dupkey} = $d;
                        $field[6] =~ s/-\d+$//o;            # remove spotter's ssid
                
-                       my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..$#field]);
+                       my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8]);
 
                        my $r;
                        eval {
-                               $r = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..$#field]);
+                               $r = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8]);
                        };
 #                      dbg('local', "Local::wwv2 error $@") if $@;
                        return if $r;
@@ -518,9 +525,9 @@ sub normal
                        # DON'T be silly and send on PC27s!
                        return if $pcno == 27;
 
-                       # broadcast to the eager users
-                       broadcast_users("WWV de $field[7] <$field[2]>:   SFI=$sfi, A=$k, K=$i, $field[6]", 'wwv', $wwv );
-                       last SWITCH;
+                       # broadcast to the eager world
+                       send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
+                       return;
                }
                
                if ($pcno == 24) {              # set here status
@@ -535,6 +542,10 @@ sub normal
                                route($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]");
                        
@@ -559,7 +570,7 @@ sub normal
                }
 
                if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
-                       if ($field[1] eq $main::mycall) {
+                       if ($pcno == 49 || $field[1] eq $main::mycall) {
                                DXMsg::process($self, $line);
                        } else {
                                route($field[1], $line);
@@ -649,7 +660,7 @@ sub normal
                if ($pcno == 43) {
                        last SWITCH;
                }
-               if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 49) {
+               if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
                        if ($field[1] eq $main::mycall) {
                                ;
                        } else {
@@ -758,7 +769,7 @@ sub finish
        
        # unbusy and stop and outgoing mail
        my $mref = DXMsg::get_busy($call);
-       $mref->stop_msg($self) if $mref;
+       $mref->stop_msg($call) if $mref;
        
        # broadcast to all other nodes that all the nodes connected to via me are gone
        my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
@@ -822,6 +833,45 @@ sub send_dx_spot
        }
 }
 
+sub send_wwv_spot
+{
+       my $self = shift;
+       my $line = shift;
+       my @dxchan = DXChannel->get_all();
+       my $dxchan;
+       
+       # send it if it isn't the except list and isn't isolated and still has a hop count
+       # taking into account filtering and so on
+       foreach $dxchan (@dxchan) {
+               my $routeit;
+               my ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} ) if $dxchan->{wwvfilter};
+               if ($dxchan->is_ak1a) {
+                       next if $dxchan == $self;
+                       if ($hops) {
+                               $routeit = $line;
+                               $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+                       } else {
+                               $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
+                               next unless $routeit;
+                       }
+                       if ($filter) {
+                               $dxchan->send($routeit) if $routeit;
+                       } else {
+                               $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+                               
+                       }
+               } elsif ($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') {
+                               $dxchan->send($buf) if !$hops || ($hops && $filter);
+                       } else {
+                               $dxchan->delay($buf) if !$hops || ($hops && $filter);
+                       }
+               }                                       
+       }
+}
+
 sub send_local_config
 {
        my $self = shift;