use strict;
use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
- $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers);
+ $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers
+ $maxcmdlth $maxcmdcount $cmdinterval
+);
%Cache = (); # cache of dynamically loaded routine's mod times
%cmd_cache = (); # cache of short names
# this does not exist as default, you need to create it manually
$users = 0; # no of users on this node currently
$maxusers = 0; # max no users on this node for this run
+$maxcmdlth = 512; # max length of incoming cmd line (including the command and any arguments
+$maxcmdcount = 16; # max no cmds entering $cmdinterval seconds
+$cmdinterval = 9; # if user enters more than $maxcmdcount in $cmdinterval seconds, they are logged off
#
# obtain a new connection this is derived from dxchannel
# routing, this must go out here to prevent race condx
my $pkg = shift;
my $call = shift;
-# my @rout = $main::routeroot->add_user($call, Route::here(1));
- DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $self->hostname], );
+ # my @rout = $main::routeroot->add_user($call, Route::here(1));
+ my $ipaddr = alias_localhost($self->hostname);
+ DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $ipaddr], );
- # ALWAYS output the user
+ # ALWAYS output the user (except if the updates not enabled)
my $ref = Route::User::get($call);
if ($ref) {
$main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref);
- $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes;
+ $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes || ! $DXProt::pc92_ad_enable;
}
return $self;
$self->{name} = $name ? $name : $call;
$self->send($self->msg('l2',$self->{name}));
+ $self->send("Capabilities: ve7cc rbn");
$self->state('prompt'); # a bit of room for further expansion, passwords etc
$self->{priv} = $user->priv || 0;
$self->{lang} = $user->lang || $main::lang || 'en';
$self->{here} = 1;
$self->{prompt} = $user->prompt if $user->prompt;
$self->{lastmsgpoll} = 0;
-
+ $self->{rbnseeme} = $user->rbnseeme;
+ RBN::add_seeme($call) if $self->{rbnseeme};
+
# sort out new dx spot stuff
$user->wantdxcq(0) unless defined $user->{wantdxcq};
$user->wantdxitu(0) unless defined $user->{wantdxitu};
$user->wantusstate(0) unless defined $user->{wantusstate};
-
+
# sort out registration
if ($main::reqreg == 2) {
$self->{registered} = !$user->registered;
$self->send_motd;
# sort out privilege reduction
- $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
+ $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->conn->peerhost eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
# get the filters
my $nossid = $call;
}
$self->lastmsgpoll($main::systime);
+ $self->{user_interval} = $self->user->user_interval || $main::user_interval; # allow user to change idle time between prompts
$self->prompt;
+
+ $self->{cmdintstart} = 0; # set when systime > this + cmdinterval and a command entered, cmdcount set to 0
+ $self->{cmdcount} = 0; # incremented on a coming in. If this value > $maxcmdcount, disconnect
+
}
#
my $self = shift;
my $cmdline = shift;
my @ans;
+ my @bad;
# save this for them's that need it
my $rawline = $cmdline;
}
$self->state('prompt');
delete $self->{talklist};
- } elsif ($cmdline =~ m|^/+\w+|) {
+ } elsif ($cmdline =~ m|^[/\w\\]+|) {
$cmdline =~ s|^/||;
my $sendit = $cmdline =~ s|^/+||;
- my @in = $self->run_cmd($cmdline);
- $self->send_ans(@in);
- if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
- foreach my $l (@in) {
- my @bad;
- if (@bad = BadWords::check($l)) {
- $self->badcount(($self->badcount||0) + @bad);
- LogDbg('DXCommand', "$self->{call} swore: $l with words:" . join(',', @bad) . ")");
- } else {
- for (@{$self->{talklist}}) {
- if ($self->{state} eq 'talk') {
- $self->send_talks($_, $l);
- } else {
- send_chats($self, $_, $l)
+ if (@bad = BadWords::check($cmdline)) {
+ $self->badcount(($self->badcount||0) + @bad);
+ LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
+ } else {
+ my @cmd = split /\s*\\n\s*/, $cmdline;
+ foreach my $l (@cmd) {
+ my @in = $self->run_cmd($l);
+ $self->send_ans(@in);
+ if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
+ foreach my $l (@in) {
+ for (@{$self->{talklist}}) {
+ if ($self->{state} eq 'talk') {
+ $self->send_talks($_, $l);
+ } else {
+ send_chats($self, $_, $l)
+ }
}
}
}
$self->send($self->{state} eq 'talk' ? $self->talk_prompt : $self->chat_prompt);
} elsif ($self->{talklist} && @{$self->{talklist}}) {
# send what has been said to whoever is in this person's talk list
- my @bad;
if (@bad = BadWords::check($cmdline)) {
$self->badcount(($self->badcount||0) + @bad);
- LogDbg('DXCommand', "$self->{call} swore: $cmdline with words:" . join(',', @bad) . ")");
+ LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
} else {
for (@{$self->{talklist}}) {
if ($self->{state} eq 'talk') {
}
$self->send_ans(@ans);
} else {
- $self->send_ans(run_cmd($self, $cmdline));
+# if (@bad = BadWords::check($cmdline)) {
+# $self->badcount(($self->badcount||0) + @bad);
+# LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
+ # } else {
+ my @cmd = split /\s*\\n\s*/, $cmdline;
+ foreach my $l (@cmd) {
+
+ # rate limiting code
+
+ if (($self->{cmdintstart} + $cmdinterval <= $main::systime) || $self->{inscript}) {
+ $self->{cmdintstart} = $main::systime;
+ $self->{cmdcount} = 1;
+ dbg("$self->{call} started cmdinterval") if isdbg('cmdcount');
+ } else {
+ if (++$self->{cmdcount} > $maxcmdcount) {
+ LogDbg('baduser', qq{User $self->{call} sent $self->{cmdcount} (>= $maxcmdcount) cmds in $cmdinterval seconds starting at } . atime($self->{cmdintstart}) . ", disconnected" );
+ $self->disconnect;
+ }
+ dbg("$self->{call} cmd: '$l' cmdcount = $self->{cmdcount} in $cmdinterval secs") if isdbg('cmdcount');
+ }
+ $self->send_ans(run_cmd($self, $l));
+ }
+# }
}
# check for excessive swearing
- if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
+ if ($maxbadcount && $self->{badcount} && $self->{badcount} >= $maxbadcount) {
LogDbg('DXCommand', "$self->{call} logged out for excessive swearing");
$self->disconnect;
return;
my $msgid = DXProt::nextchatmsgid();
$text = "#$msgid $text";
- $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text));
+ my $ipaddr = alias_localhost($self->hostname || '127.0.0.1');
+ $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text, undef, $ipaddr));
}
sub special_prompt
if ($cmd) {
- # check cmd
- if ($cmd =~ m|^/| || $cmd =~ m|[^-?\w/]|) {
+ # strip out // on command only
+ $cmd =~ s|//+|/|g;
+
+ # check for length of whole command line and any invalid characters
+ if (length $cmdline > $maxcmdlth || $cmd =~ m|\.| || $cmd !~ m|^\w+(?:/\w+){0,1}(?:/\d+)?$|) {
LogDbg('DXCommand', "cmd: $self->{call} - invalid characters in '$cmd'");
- return $self->_error_out('e1');
+ return $self->_error_out('e40');
}
- # strip out // on command only
- $cmd =~ s|//|/|g;
-
my ($path, $fcmd);
dbg("cmd: $cmd") if isdbg('command');
return $self->_error_out('e1');
}
} else {
- dbg("cmd: $cmd not found") if isdbg('command');
+ LogDbg('DXCommand', "$self->{call} cmd: '$cmd' not found");
return $self->_error_out('e1');
}
}
if ($ok) {
delete $self->{errors};
} else {
- if (++$self->{errors} > $DXChannel::maxerrors) {
+ if ($self != $main::me && ++$self->{errors} > $DXChannel::maxerrors) {
$self->send($self->msg('e26'));
$self->disconnect;
return ();
- }
+ }
}
return map {s/([^\s])\s+$/$1/; $_} @ans;
}
}
# send a prompt if no activity out on this channel
- if ($t >= $dxchan->t + $main::user_interval) {
+ if ($t >= $dxchan->t + $dxchan->{user_interval}) {
$dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
$dxchan->t($t);
}
return if $self->{disconnecting}++;
delete $self->{senddbg};
+ RBN::del_seeme($call);
my $uref = Route::User::get($call);
my @rout;
# issue a pc17 to everybody interested
$main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref);
- $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes;
+ $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes || ! $DXProt::pc92_ad_enable;
} else {
confess "trying to disconnect a non existant user $call";
}
if (isdbg('eval')) {
my @list = split /\n/, $eval;
- my $line;
for (@list) {
dbg($_ . "\n") if isdbg('eval');
}
$c =~ s/\t/ /g;
my $comment = substr (($c || ''), 0, $clth);
$comment .= ' ' x ($clth - (length($comment)));
-
- if (!$slot1 && $self->{user}->wantgrid) {
- my $ref = DXUser::get_current($_[1]);
- if ($ref && $ref->qra) {
- $slot1 = ' ' . substr($ref->qra, 0, 4);
+
+ if ($self->{user}) { # to allow the standalone program 'showdx' to work
+ if (!$slot1 && $self->{user}->wantgrid) {
+ my $ref = DXUser::get_current($_[1]);
+ if ($ref && $ref->qra) {
+ $slot1 = ' ' . substr($ref->qra, 0, 4);
+ }
}
- }
- if (!$slot1 && $self->{user}->wantusstate) {
- $slot1 = " $_[12]" if $_[12];
- }
- unless ($slot1) {
- if ($self->{user}->wantdxitu) {
- $slot1 = sprintf(" %2d", $_[8]) if defined $_[8];
- } elsif ($self->{user}->wantdxcq) {
- $slot1 = sprintf(" %2d", $_[9]) if defined $_[9];
+ if (!$slot1 && $self->{user}->wantusstate) {
+ $slot1 = " $_[12]" if $_[12];
}
- }
- $comment = substr($comment, 0, $clth-length($slot1)) . $slot1 if $slot1;
+ unless ($slot1) {
+ if ($self->{user}->wantdxitu) {
+ $slot1 = sprintf(" %2d", $_[8]) if defined $_[8];
+ }
+ elsif ($self->{user}->wantdxcq) {
+ $slot1 = sprintf(" %2d", $_[9]) if defined $_[9];
+ }
+ }
+ $comment = substr($comment, 0, $clth-length($slot1)) . $slot1 if $slot1;
- if (!$slot2 && $self->{user}->wantgrid) {
- my $origin = $_[4];
- $origin =~ s/-#$//; # sigh......
- my $ref = DXUser::get_current($origin);
- if ($ref && $ref->qra) {
- $slot2 = ' ' . substr($ref->qra, 0, 4);
+ if (!$slot2 && $self->{user}->wantgrid) {
+ my $origin = $_[4];
+ $origin =~ s/-#$//; # sigh......
+ my $ref = DXUser::get_current($origin);
+ if ($ref && $ref->qra) {
+ $slot2 = ' ' . substr($ref->qra, 0, 4);
+ }
+ }
+ if (!$slot2 && $self->{user}->wantusstate) {
+ $slot2 = " $_[13]" if $_[13];
+ }
+ unless ($slot2) {
+ if ($self->{user}->wantdxitu) {
+ $slot2 = sprintf(" %2d", $_[10]) if defined $_[10];
+ }
+ elsif ($self->{user}->wantdxcq) {
+ $slot2 = sprintf(" %2d", $_[11]) if defined $_[11];
+ }
}
}
- if (!$slot2 && $self->{user}->wantusstate) {
- $slot2 = " $_[13]" if $_[13];
- }
- unless ($slot2) {
- if ($self->{user}->wantdxitu) {
- $slot2 = sprintf(" %2d", $_[10]) if defined $_[10];
- } elsif ($self->{user}->wantdxcq) {
- $slot2 = sprintf(" %2d", $_[11]) if defined $_[11];
+
+ my $o = sprintf("%-9s", $_[4] . ':');
+ my $qrg = sprintf "%8.1f", $_[0];
+ if (length $qrg >= 9) {
+ while (length($o)+length($qrg) > 17 && $o =~ / $/) {
+ chop $o;
}
}
+ my $spot = sprintf "%-12s", $_[1];
+ my $front = "DX de $o $qrg $spot";
+ while (length($front) > 38 && $front =~ / $/) {
+ chop $front;
+ }
- return sprintf "DX de %-8.8s%10.1f %-12.12s %-s $t$slot2", "$_[4]:", $_[0], $_[1], $comment;
+
+ return sprintf "$front %-s $t$slot2", $comment;
}
no strict 'refs';
# just behave normally if something has set the "one-shot" _nospawn in the channel
- if ($self->{_nospawn}) {
+ if ($self->{_nospawn} || $main::is_win == 1) {
eval { @out = $cmdref->(@$args); };
if ($@) {
DXDebug::dbgprintring(25);
return ($users, $maxusers);
}
+# alias localhost if required. This is designed to repress all localhost and other
+# internal interfaces to a fixed (outside) IPv4 or IPV6 address
+sub alias_localhost
+{
+ my $hostname = shift;
+ if ($hostname =~ /./) {
+ return $hostname unless $main::localhost_alias_ipv4;
+ return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv4 : $hostname;
+ } elsif ($hostname =~ /:/) {
+ return $hostname unless $main::localhost_alias_ipv6;
+ return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv6 : $hostname;
+ }
+ return $hostname;
+}
+
1;
__END__
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