Merge mojo build 413 DXProthandle + DXUtil
[spider.git] / perl / DXProtHandle.pm
index 6e38b9471d83234d49ef414bb6d44929d1e485c7..20aaf5a8e6cb7c78e3f0aff54caecf93e95cfcf5 100644 (file)
@@ -34,13 +34,14 @@ use Route::Node;
 use Script;
 
 use strict;
+use warnings qw(all);
 
 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
                        $last_hour $last10 %eph  %pings %rcmds $ann_to_talk
                        $pingint $obscount %pc19list $chatdupeage $chatimportfn
                        $investigation_int $pc19_version $myprot_version
                        %nodehops $baddx $badspotter $badnode $censorpc
-                       $allowzero $decode_dk0wcy $send_opernam @checklists
+                       $allowzero $decode_dk0wcy $send_opernam @checklist
                        $eph_pc15_restime $pc9x_past_age $pc9x_dupe_age
                        $pc10_dupe_age $pc92_slug_changes $last_pc92_slug
                        $pc92Ain $pc92Cin $pc92Din $pc92Kin $pc9x_time_tolerance
@@ -50,11 +51,13 @@ use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restim
 $pc9x_dupe_age = 60;                   # catch loops of circular (usually) D records
 $pc10_dupe_age = 45;                   # just something to catch duplicate PC10->PC93 conversions
 $pc92_slug_changes = 60*1;             # slug any changes going outward for this long
-$last_pc92_slug = time;                        # the last time we sent out any delayed add or del PC92s
+$last_pc92_slug = 0;                   # the last time we sent out any delayed add or del PC92s
 $pc9x_time_tolerance = 15*60;  # the time on a pc9x is allowed to be out by this amount
 $pc9x_past_age = (122*60)+             # maximum age in the past of a px9x (a config record might be the only
 $pc9x_time_tolerance;           # thing a node might send - once an hour and we allow an extra hour for luck)
                                 # this is actually the partition between "yesterday" and "today" but old.
+$senderverify = 0;                             # 1 - check for forged PC11 or PC61.
+                                # 2 - if forged, dump them.
 
 
 $pc92filterdef = bless ([
@@ -131,6 +134,8 @@ sub handle_10
 }
 
 my $last;
+my $pc11_saved;
+my $pc11_saved_time;
 
 # DX Spot handling
 sub handle_11
@@ -140,6 +145,7 @@ sub handle_11
        my $line = shift;
        my $origin = shift;
        my $pc = shift;
+       my $recurse = shift || 0;
 
        # route 'foreign' pc26s
        if ($pcno == 26) {
@@ -149,6 +155,8 @@ sub handle_11
                }
        }
 
+       dbg("INPUT PC$pcno $line origin $origin recurse: $recurse") if isdbg("pc11"); 
+
 #      my ($hops) = $pc->[8] =~ /^H(\d+)/;
 
        # is the spotted callsign blank? This should really be trapped earlier but it
@@ -176,10 +184,6 @@ sub handle_11
                dbg("PCPROT: Bad Spotter $pc->[6], dropped") if isdbg('chanerr');
                return;
        }
-#      unless (is_ipaddr($pc->[8]) || DXUser::get_current($pc->[6])) {
-#              dbg("PCPROT: Unknown Spotter $pc->[6], dropped") if isdbg('chanerr');
-#              return;
-#      }
 
        # convert the date to a unix date
        my $d = cltounix($pc->[3], $pc->[4]);
@@ -209,6 +213,7 @@ sub handle_11
                        return;
                }
        }
+       
 
        my @spot = Spot::prepare($pc->[1], $pc->[2], $d, $pc->[5], $nossid, $pc->[7], $pc->[8]);
 
@@ -221,60 +226,95 @@ sub handle_11
                }
        }
 
-       # If is a new PC11, store it, releasing the one that is there (if any),
-       # if a PC61 comes along then dump the stored PC11
-       # If there is a different PC11 stored, release that one and store this PC11 instead,
-       my $key = join '|', @spot[0..2,4,7];
-       if (0) {
+       # this is where we decide to delay PC11s in the hope that a PC61 will be along soon.
        
-       if ($pc->[0] eq 'PC11') {
-               my $r = [$main::systime, $key, \@spot, $line, $origin, $pc];
-               if (!$last) {
-                       $last = [$main::systime, $key, \@spot, $line, $origin, $pc];
-                       dbg("PC11: $origin -> $key stored") if isdbg('pc11');
-                       return;
-               } elsif ($key eq $last->[1]) { # same as last one
-                       dbg("PC11: $origin -> $key dupe dropped") if isdbg('pc11');
-                       return;
-               } else {
-                       # it's a different PC11, kick the stored one onward and store this one instead,
-                       dbg("PC11: PC11 new $origin -> $key stored, $last->[4] -> $last->[1] passed onward") if isdbg('pc11');
-                       @spot = @{$last->[2]};
-                       $line = $last->[3];
-                       $origin = $last->[4];
-                       $pc = $last->[5];
-                       $last = $r;
+       my $key = join '|', @spot[0..2,4,7]; # not including text
+       unless ($recurse) {
+               if ($pcno == 61) {
+                       if ($pc11_saved) {
+                               if ($key eq $pc11_saved->[0]) {
+                                       dbg("saved PC11 spot $key dumped, better pc61 received") if isdbg("pc11");
+                                       undef $pc11_saved;
+                               }
+                       } 
                }
-       } elsif ($pc->[0] eq 'PC61') {
-               if ($last) {
-                       if ($last->[1] eq $key) {
-                               # dump $last and proceed with the PC61
-                               dbg("PC11: $origin -> $key dropped in favour of PC61") if isdbg('pc11');
-                               undef $last;
-                       } else {
-                               # it's a different spot send out stored pc11
-                               dbg("PC11: last $last->[4] -> $last->[1] different PC61 $origin -> $key, send PC11 first ") if isdbg('pc11');
-                               $last->[1] = 'new pc61';
-                               handle_11($self, 11, $last->[3], $last->[4], $last->[5]);
-                               undef $last;
-                               dbg("PC11: now process PC61 $origin -> $key") if isdbg('pc11');
+               if ($pcno == 11) {
+                       if ($pc11_saved) {
+                               if ($key eq $pc11_saved->[0]) {
+                                       dbg("saved PC11 spot $key, dupe pc11 received and dumped") if isdbg("pc11");
+                                       return;         # because it's a dup
+                               }
+                       }
+
+                       # can we promote this to a PC61?
+                       my $r = Route::User::get($spot[4]); # find spotter
+                       if ($r && $r->ip) {                     # do we have an ip addres
+                               $pcno = 61;                                             # now turn this into a PC61
+                               $spot[14] = $r->ip;
+                               dbg("PC11 spot $key promoted to pc61 ip $spot[14]") if isdbg("pc11");
+                               undef $pc11_saved;
                        }
                }
-       } else {
-               dbg("PC11: Unexpected line '$line' in bagging area (expecting PC61, PC11), ignored");
-               return;
+
+               if ($pc11_saved && $key ne $pc11_saved) {
+                       dbg("saved PC11 spot $pc11_saved->[0] ne new key $key, recursing") if isdbg("pc11");
+                       shift @$pc11_saved;     # saved key
+                       my $self = shift @$pc11_saved;
+                       my @saved = @$pc11_saved;
+                       undef $pc11_saved;
+                       $self->handle_11(@saved, 1);
+               }
+
+               # if we are still a PC11, save it for a better offer
+               if ($pcno == 11) {
+                       $pc11_saved = [$key, $self, $pcno, $line, $origin, $pc];
+                       $pc11_saved_time = $main::systime;
+                       dbg("saved new PC11 spot $key for a better offer") if isdbg("pc11");
+                       return;
+               } else {
+                       dbg("PC61 spot $key passed onward") if isdbg("pc11");
+               }
        }
 
-}
        
        # this goes after the input filtering, but before the add
        # so that if it is input filtered, it isn't added to the dup
        # list. This allows it to come in from a "legitimate" source
-       if (Spot::dup(@spot[0..4,5])) {
+       if (Spot::dup(@spot[0..4,7])) {
                dbg("PCPROT: Duplicate Spot $pc->[0] $key ignored\n") if isdbg('chanerr') || isdbg('dupespot');
                return;
        }
        
+       # here we verify the spotter is currently connected to the node it says it is one. AKA email sender verify
+       # but without the explicit probe to the node. We are relying on "historical" information, but it very likely
+       # to be current once we have seen the first PC92C from that node.
+       #
+       # As for spots generated from non-PC92 nodes, we'll see after about  do_pc9x3h20m...
+       #
+       if ($senderverify) {
+               my $nroute = Route::Node::get($pc->[7]);
+               my $uroute = Route::Node::get($pc->[6]);
+               my $local = DXChannel::get($pc->[7]);
+               
+               if ($nroute && ($nroute->last_PC92C || ($local && !$local->do_pc9x))) {
+                       my $s = '';
+                       my $ip = $pcno == 61 ?  $pc->[8] : '';
+#                      $s .= "User $pc->[6] not logged in, " unless $uroute;
+                       $s .= "User $pc->[6] not on node $pc->[7], " unless $nroute->is_user($pc->[6]);
+#                      $s .= "Node $pc->[7] at '$ip' not on Node's IP " . $nroute->ip if $ip && $nroute && $nroute->ip && $nroute->ip ne $ip;
+                       if ($s) {
+                               my $action = $senderverify > 1 ? ", DUMPED" : '';
+                               $s =~ s/, $//;
+                               dbg("PCProt: Suspicious Spot $pc->[2] on $pc->[1] by $pc->[6]($ip)\@$pc->[7] $s$action");
+                               return unless $senderverify < 2;
+                       }
+               }
+       }
+
+       # If is a new PC11, store it, releasing the one that is there (if any),
+       # if a PC61 comes along then dump the stored PC11
+       # If there is a different PC11 stored, release that one and store this PC11 instead,
+       
        # add it
        Spot::add(@spot);
 
@@ -363,7 +403,14 @@ sub handle_11
 # used to kick outstanding PC11 if required
 sub pc11_process
 {
-
+       if ($pc11_saved && $main::systime > $pc11_saved_time) {
+               dbg("saved PC11 spot $pc11_saved->[0] timed out waiting, recursing") if isdbg("pc11");
+               shift @$pc11_saved;     # saved key
+               my $self = shift @$pc11_saved;
+               my @saved = @$pc11_saved;
+               undef $pc11_saved;
+               $self->handle_11(@saved, 1);
+       }
 }
 
 # announces
@@ -676,7 +723,7 @@ sub handle_18
        my $parent = Route::Node::get($self->{call});
 
        # record the type and version offered
-       if (my ($version) = $pc->[1] =~ /DXSpider Version: (\d+\.?\d+?)/) {
+       if (my ($version) = $pc->[1] =~ /DXSpider Version: (\d+\.\d+)/) {
                $self->{version} = 53 + $version;
                $self->user->version(53 + $version);
                $parent->version(0 + $version);
@@ -717,21 +764,37 @@ sub handle_18
        $self->send(pc20());
 }
 
-sub check_add_node
+sub check_add_user
 {
        my $call = shift;
+       my $type = shift;
+       my $homenode = shift;
 
        # add this station to the user database, if required (don't remove SSID from nodes)
        my $user = DXUser::get_current($call);
        unless ($user) {
                $user = DXUser->new($call);
-               $user->priv(1);         # I have relented and defaulted nodes
-               $user->lockout(1);
-               $user->homenode($call);
-               $user->node($call);
-               $user->sort('A');
+               $user->sort($type || 'U');
+               if ($user->is_node) {
+                       $user->priv(1);         # I have relented and defaulted nodes
+                       $user->lockout(1) if $user->is_node;
+               } else {
+                       $user->homenode($homenode) if $homenode;
+                       $user->node($homenode);
+                       $user->priv(0);
+               }
                $user->lastin($main::systime); # this make it last longer than just this invocation
                $user->put;                             # just to make sure it gets written away!!!
+               dbg("DXProt: PC92 new user record for $call created");
+       }
+
+       # this is to fix a problem I introduced some build ago by using this function for users
+       # whereas it was only being used for nodes.
+       if ($user->is_user && $user->lockout && ($user->priv // 0) == 1) {
+               $user->priv(0);
+               $user->lockout(0);
+               dbg("DXProt: PC92 user record for $call depriv'd and unlocked");
+               $user->put;
        }
        return $user;
 }
@@ -807,7 +870,7 @@ sub handle_19
                        next;
                }
 
-               my $user = check_add_node($call);
+               my $user = check_add_user($call, 'A');
 
 #              if (eph_dup($genline)) {
 #                      dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
@@ -1494,10 +1557,19 @@ sub _decode_pc92_call
        my $is_node = $flag & 4;
        my $is_extnode = $flag & 2;
        my $here = $flag & 1;
-       my $ip  = $part[3];
-       $ip ||= $part[1] if $part[1] && $part[1] !~ /^\d+$/ && ($part[1] =~ /^(?:\d+\.)+/ || $part[1] =~ /^(?:(?:[abcdef\d]+)?,)+/);
+       my $version = $part[1] || 0;
+       my $build = $part[2] || 0;
+       my $ip = $part[3] || '';
+       
+       if ($version =~ /[,.]/) {
+               $ip = $version;
+               $version = 0;
+       }
+       $version =~ s/\D+//g;
+       $build =~ s/^0\.//;
+       $build =~ s/\D+//g;
        $ip =~ s/,/:/g if $ip;
-       return ($call, $is_node, $is_extnode, $here, $part[1], $part[2], $ip);
+       return ($call, $is_node, $is_extnode, $here, $version+0, $build+0, $ip);
 }
 
 # decode a pc92 call: flag call : version : build
@@ -1546,34 +1618,62 @@ sub _add_thingy
 
        # remove spurious IPV6 prefix on IPV4 addresses
        $ip =~ s/^::ffff:// if $ip;
-       
+       $build ||= 0;
+       $version ||= 0;
+
        if ($call) {
                my $ncall = $parent->call;
                if ($ncall ne $call) {
+                       my $user;
+                       my $r;
+
+                       # normalise call, delete any unnormalised calls in the users file.
+                       # then ignore this thingy
+                       my $normcall = normalise_call($call);
+                       if ($normcall ne $call) {
+                               next if DXChannel::get($call);
+                               $user = DXUser::get($call);
+                               dbg("DXProt::_add_thingy call $call normalised to $normcall, deleting spurious user $call");
+                               $user->del if $user;
+                           $call = $normcall; # this is safe because a route add will ignore duplicates
+                       }
+                       
                        if ($is_node) {
                                dbg("ROUTE: added node $call to $ncall") if isdbg('routelow');
+                               $user = check_add_user($call, 'A');
                                @rout = $parent->add($call, $version, Route::here($here), $ip);
-                               my $r = Route::Node::get($call);
+                               $r = Route::Node::get($call);
                                $r->PC92C_dxchan($dxchan->call, $hops) if $r;
-                               if ($ip) {
-                                       $r->ip($ip);
-                                       Log('DXProt', "PC92A $call -> $ip on $ncall");
+                               if ($version && $version =~ /^\d+$/) {
+                                       my $old = $user->sort;
+                                       if ($user->is_ak1a && (($version >= 5455 &&  $build > 0) || ($version >= 3000 && $version <= 3500)) ) {
+                                               $user->sort('S');
+                                               dbg("PCProt::_add_thingy node $call v: $version b: $build sort ($old) updated to " . $user->sort);
+                                       } elsif ($user->is_spider && $version =~ /^\d+$/ && ($version < 3000 || ($version > 4000 && $version < 5455))) {
+                                               unless ($version == 5000 && $build == 0) {
+                                                       $user->sort('A');
+                                                       $build //= 0;
+                                                       dbg("PCProt::_add_thingy node $call v: $version b: $build sort ($old) downgraded to " . $user->sort);
+                                               }
+                                       }
                                }
                        } else {
                                dbg("ROUTE: added user $call to $ncall") if isdbg('routelow');
+                               $user = check_add_user($call, 'U', $parent->call);
                                @rout = $parent->add_user($call, Route::here($here), $ip);
                                $dxchan->tell_buddies('loginb', $call, $ncall) if $dxchan;
-                               my $r = Route::User::get($call);
-                               if ($ip) {
-                                       $r->ip($ip);
-                                       Log('DXProt', "PC92A $call -> $ip on $ncall");
-                               }
+                               $r = Route::User::get($call);
+                       }
+                       if ($ip) {
+                               $r->ip($ip);
+                               Log('DXProt', "PC92A $call -> $ip on $ncall");
                        }
                        if ($pc92_slug_changes && $parent == $main::routeroot) {
                                $things_add{$call} = Route::get($call);
                                delete $things_del{$call};
                        }
-               } else {
+                       $user->close($main::systime, $ip) if $user;             # this just updates lastseen and the connlist list containing the IP address
+               } else {                                
                        dbgprintring(10) if isdbg('nologchan');
                        dbg("DXProt::add_thingy: Trying to add parent $call to itself $ncall, ignored");
                }
@@ -1739,11 +1839,11 @@ sub pc92_handle_first_slot
        my ($call, $is_node, $is_extnode, $here, $version, $build) = @$slot;
        if ($call && $is_node) {
                if ($call eq $main::mycall) {
-                       dbg("PCPROT: $call looped back onto \$main::mycall ($main::mycall), ignored") if isdbg('chan');
+                       LogDbg('err', "PCPROT: $self->{call} : $call looped back onto \$main::mycall ($main::mycall), ignored");
                        return;
                }
                if ($call eq $main::myalias) {
-                       dbg("PCPROT: $call looped back onto \$main::myalias ($main::myalias), ignored") if isdbg('chan');
+                       LogDbg('err', "PCPROT: $self->{call} : $call looped back onto \$main::myalias ($main::myalias), ignored");
                        return;
                }
                # this is only accepted from my "self".
@@ -1777,7 +1877,7 @@ sub pc92_handle_first_slot
        }
        $parent->here(Route::here($here));
        $parent->version($version || $pc19_version) if $version;
-       $parent->build($build) if $build;
+    $parent->build($build) if $build;
        $parent->PC92C_dxchan($self->{call}, $hops) unless $self->{call} eq $parent->call;
        return ($parent, @radd);
 }
@@ -1804,12 +1904,12 @@ sub handle_92
 #      }
 
        if ($pcall eq $main::mycall) {
-               dbg("PCPROT: looped back, ignored") if isdbg('chan');
+               LogDbg('err', "PCPROT: looped back, ignored");
                return;
        }
 
        if ($pcall eq $main::myalias) {
-               dbg("PCPROT: looped back to \$myalias ($main::myalias), misconfiguration ignored") if isdbg('chan');
+               LogDbg('err', "PCPROT: looped back to \$myalias ($main::myalias), misconfiguration ignored");
                return;
        }
 
@@ -1873,10 +1973,10 @@ sub handle_92
                                        if (@dxchan) {
                                                $_->send($line) for @dxchan;
                                        } else {
-                                               dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
+                                               dbg("PCPROT: $self->{call} : type R no return route, ignored") if isdbg('chanerr') || isdbg('route');
                                        }
                                } else {
-                                       dbg("PCPROT: no return route, ignored") if isdbg('chanerr')
+                                       dbg("PCPROT: $self->{call} : type R no return route, ignored") if isdbg('chanerr') || isdbg('route');
                                }
                        }
                        return;
@@ -1895,12 +1995,27 @@ sub handle_92
 
                        ($parent, $add) = $self->pc92_handle_first_slot(\@ent, $parent, $t, $hops);
                        return unless $parent; # dupe
-
+                       
                        push @radd, $add if $add;
                        $parent->reset_obs;
-                       $parent->version($ent[4]) if $ent[4];
-                       $parent->build($ent[5]) if $ent[5];
-
+                       my $call = $parent->call;
+                       my $version = $ent[4] || 0;
+                       my $build = $ent[5] ||  0;
+                       my $oldbuild = $parent->build || 0;
+                       my $oldversion = $parent->version || 0;
+                       my $user = check_add_user($parent->call, 'S');
+                       my $oldsort = $user->sort // '';
+#                      if ($version =~ /^\d+$/  && $oldversion =~ /^\d+$/) {
+                               if ($oldsort ne 'S' || $oldversion != $version || $build != $oldbuild) {
+                                       dbg("PCProt PC92 K node $call updated version: $version (was $oldversion) build: $build (was $oldbuild) sort: 'S' (was $oldsort)");
+                                       $user->sort('S');
+                                       $user->version($parent->version($version));
+                                       $user->build($parent->build($build));
+                                       $user->put;
+                               }
+#                      } else {
+#                              dbg("DXProt PC92 K version strings new: '$version' old: '$oldversion'");
+#                      }
                        dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
                }
        } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
@@ -1942,9 +2057,14 @@ sub handle_92
                        my $dxc;
                        next unless $_ && @$_;
                        if ($_->[0] eq $main::mycall) {
-                               dbg("PCPROT: $_->[0] refers to me, ignored") if isdbg('chanerr');
+                               dbg("PCPROT: $self->{call} : type $sort $_->[0] refers to me, ignored") if isdbg('route');
+                               next;
+                       }
+                       if ($_->[0] eq $main::myalias && $_->[1] || $_->[0] eq $main::mycall && $_->[1] == 0) {
+                               LogDbg('err',"PCPROT: $self->{call} : type $sort $_->[0] trying to change type to " . $_->[1]?"Node":"User" . ", ignored");
                                next;
                        }
+                       
                        push @nent, $_;
                }
 
@@ -1973,7 +2093,7 @@ sub handle_92
                                                push @users, $r->[0];
                                        }
                                } else {
-                                       dbg("PCPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr');
+                                       dbg("PCPROT: $self->{call} :  pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr') || isdbg('route');
                                }
                        }