$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) = $pc->[8] =~ /^H(\d+)/;
# is the spotted callsign blank? This should really be trapped earlier but it
# if this is a 'nodx' node then ignore it
if ($badnode->in($pc->[7])) {
- dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
+ dbg("PCPROT: Bad Node $pc->[7], dropped") if isdbg('chanerr');
return;
}
- # if this is a 'bad spotter' user then ignore it
+ # if this is a 'bad spotter' or an unknown user then ignore it. BUT if it's got an IP address then allow it through
my $nossid = $pc->[6];
$nossid =~ s/-\d+$//;
if ($badspotter->in($nossid)) {
- dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
+ dbg("PCPROT: Bad Spotter $pc->[6], dropped") if isdbg('chanerr');
return;
}
return;
}
}
+
my @spot = Spot::prepare($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);
+ my $ip = '';
+ $ip ||= $spot[14] if exists $spot[14];
+ if (isdbg('progress')) {
+ my $sip = $ip ? sprintf "($ip)" : '' unless $ip =~ m|[\(\)\*]|;
+ $sip ||= '';
+ my $d = ztime($spot[2]);
+ my $s = "SPOT: $spot[1] on $spot[0] \@ $d by $spot[4]$sip\@$spot[7]";
+ $s .= $spot[3] ? " '$spot[3]'" : q{ ''};
+ $s .= " route: $origin";
+ dbg($s);
+ }
+
#
# @spot at this point contains:-
# freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
} 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
{
$self->{build} = 0 + $build;
$self->user->build(0 + $build);
$parent->build(0 + $build);
- dbg("DXSpider version $version build $build");
+ dbg("$self->{call} = DXSpider version $version build $build");
unless ($self->is_spider) {
dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
$self->user->sort('S');
}
# $self->{handle_xml}++ if DXXml::available() && $pc->[1] =~ /\bxml/;
} else {
- dbg("Unknown software");
+ dbg("$self->{call} = Unknown software ($pc->[1] $pc->[2])");
$self->version(50.0);
$self->version($pc->[2] / 100) if $pc->[2] && $pc->[2] =~ /^\d+$/;
$self->user->version($self->version);
if ($pc->[1] =~ /\bpc9x/) {
if ($self->{isolate}) {
- dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
+ dbg("$self->{call} pc9x recognised, but node is isolated, using old protocol");
} elsif (!$self->user->wantpc9x) {
- dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
+ dbg("$self->{call} pc9x explicitly switched off, using old protocol");
} else {
$self->{do_pc9x} = 1;
- dbg("Do px9x set on $self->{call}");
+ dbg("$self->{call} Set do PC9x");
}
}
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);
- if (!$user) {
+ unless ($user) {
$user = DXUser->new($call);
$user->priv(1); # I have relented and defaulted nodes
$user->lockout(1);
$user->homenode($call);
$user->node($call);
+ $user->sort($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!!!
}
- $user->sort('A') unless $user->is_node;
return $user;
}
next unless $ver && $ver =~ /^\d+$/;
next if $ver < 5000; # only works with version 5 software
next if length $call < 3; # min 3 letter callsigns
- next if $call eq $main::mycall;
+ next if $call eq $main::mycall || $call eq $main::myalias;
# check that this PC19 isn't trying to alter the wrong dxchan
$h = 0;
my @rout;
- if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
+ if ($call ne $main::mycall && $call ne $main::myalias) { # don't allow malicious buggers to disconnect me!
my $node = Route::Node::get($call);
if ($node) {
my $dxchan = DXChannel::get($call);
if ($dxchan && $dxchan != $self) {
- dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
+ dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chan');
return;
}
push @rout, $call if $dxchan && @rout == 0;
}
} else {
- dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
+ dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chan');
return;
}
# note this only takes the first one it gets
Geomag::update($d, $pc->[2], $sfi, $k, $i, @$pc[6..8], $r);
+ dbg("WWV: <$pc->[2]>, sfi=$sfi k=$k info=$i '$pc->[6]' $pc->[7]\@$pc->[8] $r route: $origin") if isdbg('progress');
if (defined &Local::wwv) {
my $rep;
return;
}
if ($pc->[2] eq $main::mycall) {
- dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
+ dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chan');
return;
}
return;
}
- if ($call eq $main::mycall && $call eq $main::myalias) {
+ if ($call eq $main::mycall || $call eq $main::myalias) {
dbg "DXPROT: PC41 trying to update $call from outside via $origin, ignored";
return;
}
my $from = $pc->[2];
my $flag = $pc->[3];
+ if ($to eq $main::myalias) {
+ dbg("DXPROT: Ping addressed to \$myalias ($main::myalias), ignored") if isdbg('chan');
+ return;
+ }
# is it for us?
if ($to eq $main::mycall) {
}
my $wcy = WCY::update($d, @$pc[2..12]);
+ dbg("WCY: <$pc->[2]> K=$pc->[5] expK=$pc->[6] A=$pc->[4] R=$pc->[7] SFI=$pc->[3] SA=$pc->[8] GMF=$pc->[9] Au=$pc->[10] $pc->[11]\@$pc->[12] route: $origin") if isdbg('progress');
if (defined &Local::wcy) {
my $rep;
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], $ip);
}
my ($call, $is_node, $is_extnode, $here, $version, $build, $ip) = @$s;
my @rout;
+ # remove spurious IPV6 prefix on IPV4 addresses
+ $ip =~ s/^::ffff:// if $ip;
+
if ($call) {
my $ncall = $parent->call;
- if ($is_node) {
- dbg("ROUTE: added node $call to $ncall") if isdbg('routelow');
- @rout = $parent->add($call, $version, Route::here($here), $ip);
- my $r = Route::Node::get($call);
- $r->PC92C_dxchan($dxchan->call, $hops) if $r;
- if ($ip) {
- $r->ip($ip);
- Log('DXProt', "PC92A $call -> $ip on $ncall");
+ if ($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");
+ }
}
- } else {
- dbg("ROUTE: added user $call to $ncall") if isdbg('routelow');
- @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 $ncall");
+ if ($is_node) {
+ dbg("ROUTE: added node $call to $ncall") if isdbg('routelow');
+ @rout = $parent->add($call, $version, Route::here($here), $ip);
+ my $r = Route::Node::get($call);
+ $r->PC92C_dxchan($dxchan->call, $hops) if $r;
+ if ($ip) {
+ $r->ip($ip);
+ Log('DXProt', "PC92A $call -> $ip on $ncall");
+ }
+ if ($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);
+ }
+ }
+ } 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);
+ 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};
+ if ($pc92_slug_changes && $parent == $main::routeroot) {
+ $things_add{$call} = Route::get($call);
+ delete $things_del{$call};
+ }
+ $user->close($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 $ncall, ignored");
}
}
+
return @rout;
}
my ($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, ignored") if isdbg('chanerr');
+ dbg("PCPROT: $call looped back onto \$main::mycall ($main::mycall), ignored") if isdbg('chan');
+ return;
+ }
+ if ($call eq $main::myalias) {
+ dbg("PCPROT: $call looped back onto \$main::myalias ($main::myalias), ignored") if isdbg('chan');
return;
}
# this is only accepted from my "self".
# }
if ($pcall eq $main::mycall) {
- dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
+ dbg("PCPROT: looped back, ignored") if isdbg('chan');
+ return;
+ }
+
+ if ($pcall eq $main::myalias) {
+ dbg("PCPROT: looped back to \$myalias ($main::myalias), misconfiguration ignored") if isdbg('chan');
return;
}
if ($pcall eq $self->{call} && $self->{state} eq 'init') {
if ($self->{isolate}) {
- dbg("PC9x received, but $pcall is isolated, ignored");
+ dbg("DXPROT: PC9x received, but $pcall is isolated, ignored");
return;
} elsif (!$self->user->wantpc9x) {
- dbg("PC9x explicitly switched off on $pcall, ignored");
+ dbg("DXPROT: PC9x explicitly switched off on $pcall, ignored");
return;
} else {
$self->state('init92');
$self->{do_pc9x} = 1;
- dbg("Do pc9x set on $pcall");
+ dbg("DXPROT: Do pc9x set on $pcall");
}
}
unless ($self->{do_pc9x}) {
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');
}
return;
}
+ if (isdbg('progress')) {
+ my $vs = $via ne '*' ? " via $via" : '';
+ my $s = "ANNTALK: $from\@$onode$vs -> $to '$text' route: $origin";
+ dbg($s);
+ }
+
# will we allow it at all?
if ($censorpc) {
my @bad;