$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
- $pc92filterdef
+ $pc92filterdef $senderverify
);
$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*5; # slug any changes going outward for this long
+$pc92_slug_changes = 60*1; # slug any changes going outward for this long
$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
- $pc9x_time_tolerance; # thing a node might send - once an hour and we allow an extra hour for luck)
+$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 ([
# tag, sort, field, priv, special parser
['zone', 'nz', 3],
], 'Filter::Cmd');
+our %pc11q;
+# this is a place to park an incoming PC11 in the sure and certain hope that
+# a PC61 will be along soon. This has the side benefit that it will delay a
+# a PC11 for one second - assuming that it is not removed by a PC61 version
# incoming talk commands
sub handle_10
$main::me->normal(pc93($to, $from, $via, $pc->[3], $pc->[6]));
}
+my $last;
+my $pc11_saved;
+my $pc11_saved_time;
+
# DX Spot handling
sub handle_11
{
my $line = shift;
my $origin = shift;
my $pc = shift;
+ my $recurse = shift || 0;
# route 'foreign' pc26s
if ($pcno == 26) {
}
}
+ 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
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], $pc->[4]);
return;
}
}
+
my @spot = Spot::prepare($pc->[1], $pc->[2], $d, $pc->[5], $nossid, $pc->[7], $pc->[8]);
+
# global spot filtering on INPUT
if ($self->{inspotsfilter}) {
my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
}
}
+ # this is where we decide to delay PC11s in the hope that a PC61 will be along soon.
+
+ 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 $pc11_saved;
+ }
+ }
+ }
+ if ($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 $pc11_saved;
+ }
+ }
+
+ if ($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])) {
- dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
+ 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);
} else {
route(undef, $to, pc34($main::mycall, $to, $cmd));
}
- if ($to ne $pc->[7]) {
- $to = $pc->[7];
+ if ($to ne $origin) {
+ $to = $origin;
$node = Route::Node::get($to);
if ($node) {
$dxchan = $node->dxchan;
send_dx_spot($self, $line, @spot) if @spot;
}
+# used to kick outstanding PC11 if required
+sub pc11_process
+{
+ if ($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
sub handle_12
{
sub check_add_node
{
my $call = shift;
+ my $type = shift;
+
# add this station to the user database, if required (don't remove SSID from nodes)
my $user = DXUser::get_current($call);
$user->lockout(1);
$user->homenode($call);
$user->node($call);
- $user->sort('A');
+ $user->sort($type || 'A');
$user->lastin($main::systime); # this make it last longer than just this invocation
$user->put; # just to make sure it gets written away!!!
}
my $is_extnode = $flag & 2;
my $here = $flag & 1;
my $ip = $part[3];
- $ip ||= $part[1] if $part[1] && ($part[1] =~ /^(?:\d+\.)+/ || $part[1] =~ /^(?:(?:[abcdef\d]+)?,)+/);
+ $ip ||= $part[1] if $part[1] && $part[1] !~ /^\d+$/ && ($part[1] =~ /^(?:\d+\.)+/ || $part[1] =~ /^(?:(?:[abcdef\d]+)?,)+/);
$ip =~ s/,/:/g if $ip;
return ($call, $is_node, $is_extnode, $here, $part[1], $part[2], $ip);
}
if ($call) {
my $ncall = $parent->call;
if ($ncall ne $call) {
+ my $user;
+ unless (DXChannel::get($call)) { # i.e. external entity - create an user entry for it - ALL entities will appear in ALL user files from now on.
+ $user = DXUser::get($call);
+ unless ($user) {
+ $user = DXUser->new($call);
+ dbg("PCProt::_add_thingy new user $call") if isdbg('route');
+ }
+ }
if ($is_node) {
dbg("ROUTE: added node $call to $ncall") if isdbg('routelow');
@rout = $parent->add($call, $version, Route::here($here), $ip);
$r->ip($ip);
Log('DXProt', "PC92A $call -> $ip on $ncall");
}
+ if ($user && $user->sort eq 'U') {
+ if (defined $version) {
+ if ($version >= 5455 && $build > 0 || $version >= 3000 ) {
+ $user->sort('S');
+ } else {
+ $user->sort('A');
+ }
+ dbg("PCProt::_add_thingy node $call sort updated " . $user->sort) if isdbg('route');
+ }
+ }
} else {
dbg("ROUTE: added user $call to $ncall") if isdbg('routelow');
+ my $user = check_add_node($call, 'U');
@rout = $parent->add_user($call, Route::here($here), $ip);
$dxchan->tell_buddies('loginb', $call, $ncall) if $dxchan;
my $r = Route::User::get($call);
$things_add{$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 $ncall, ignored");
}
my ($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".
# }
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;
}
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;
push @radd, $add if $add;
$parent->reset_obs;
$parent->version($ent[4]) if $ent[4];
- $parent->build($ent[5]) if $ent[5];
+ if ($ent[5]) {
+ $ent[5] =~ s/^0.//;
+ $parent->build($ent[5]);
+ }
dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
}
my $dxc;
next unless $_ && @$_;
if ($_->[0] eq $main::mycall) {
- dbg("PCPROT: $_->[0] refers to me, ignored") if isdbg('chanerr');
+ LogDbg('err', "PCPROT: $self->{call} : type $sort $_->[0] refers to me, ignored");
+ next;
+ }
+ if ($_->[0] eq $main::myalias && $_->[1] || $_->[0] eq $main::mycall && $_->[1] == 0) {
+ LogDbg('err',"PCPROT: $self->{call} : type $sort $_->[0] changing type to " . $_->[1]?"Node":"User" . ", ignored");
next;
}
+
push @nent, $_;
}
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');
}
}
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