X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXCommandmode.pm;h=c03885526a9ed96664d31f75e31a7995eac48bf8;hb=b735ad9a0325fae9ca0c2324794b99288a737802;hp=6e7a0944f5461c109d9b4a5d6a5106ba2092515b;hpb=3b3b52396a19281c24481f0fcf7d216f426f94d9;p=spider.git diff --git a/perl/DXCommandmode.pm b/perl/DXCommandmode.pm index 6e7a0944..c0388552 100644 --- a/perl/DXCommandmode.pm +++ b/perl/DXCommandmode.pm @@ -30,15 +30,26 @@ use AnnTalk; use WCY; use Sun; use Internet; +use Script; + use strict; -use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase); +use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase $maxerrors %nothereslug $maxbadcount); %Cache = (); # cache of dynamically loaded routine's mod times %cmd_cache = (); # cache of short names $errstr = (); # error string from eval %aliases = (); # aliases for (parts of) commands $scriptbase = "$main::root/scripts"; # the place where all users start scripts go +$maxerrors = 20; # the maximum number of concurrent errors allowed before disconnection +$maxbadcount = 3; # no of bad words allowed before disconnection + + +use vars qw($VERSION $BRANCH); +$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ ); +$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0; +$main::build += $VERSION; +$main::branch += $BRANCH; # # obtain a new connection this is derived from dxchannel @@ -47,6 +58,13 @@ $scriptbase = "$main::root/scripts"; # the place where all users start scripts g sub new { my $self = DXChannel::alloc(@_); + + # 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::route_pc16($main::me, $main::routeroot, @rout) if @rout; + return $self; } @@ -61,14 +79,18 @@ sub start my $call = $self->{call}; my $name = $user->{name}; + # log it + my $host = $self->{conn}->{peerhost} || "unknown"; + Log('DXCommand', "$call connected from $host"); + $self->{name} = $name ? $name : $call; $self->send($self->msg('l2',$self->{name})); - $self->send_file($main::motd) if (-e $main::motd); $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->{pagelth} = $user->pagelth || 20; - $self->{priv} = 0 if $line =~ /^(ax|te)/; # set the connection priv to 0 - can be upgraded later + ($self->{width}) = $line =~ /width=(\d+)/; $line =~ s/\s*width=\d+\s*//; + $self->{width} = 80 unless $self->{width} && $self->{width} > 80; $self->{consort} = $line; # save the connection type # set some necessary flags on the user if they are connecting @@ -80,8 +102,27 @@ sub start $self->{wx} = $user->wantwx; $self->{dx} = $user->wantdx; $self->{logininfo} = $user->wantlogininfo; + $self->{ann_talk} = $user->wantann_talk; $self->{here} = 1; + # sort out registration + if ($main::reqreg == 1) { + $self->{registered} = $user->registered; + } elsif ($main::reqreg == 2) { + $self->{registered} = !$user->registered; + } else { + $self->{registered} = 1; + } + + + # decide which motd to send + my $motd = "${main::motd}_nor" unless $self->{registered}; + $motd = $main::motd unless $motd && -e $motd; + $self->send_file($motd) if -e $motd; + + # sort out privilege reduction + $self->{priv} = 0 if $line =~ /^(ax|te)/ && !$self->conn->{usedpasswd}; + # get the filters $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'user_default', 0); $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'user_default', 0); @@ -97,37 +138,39 @@ sub start $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long); } - # add yourself to the database - my $node = DXNode->get($main::mycall) or die "$main::mycall not allocated in DXNode database"; - my $cuser = DXNodeuser->new($self, $node, $call, 0, 1); - $node->dxchan($self) if $call eq $main::myalias; # send all output for mycall to myalias - - # issue a pc16 to everybody interested - my $nchan = DXChannel->get($main::mycall); - my @pc16 = DXProt::pc16($nchan, $cuser); - for (@pc16) { - DXProt::broadcast_all_ak1a($_); + # decide on echo + my $echo = $user->wantecho; + unless ($echo) { + $self->send_now('E', "0"); + $self->send($self->msg('echow')); + $self->conn->echo($echo) if $self->conn->can('echo'); + } + + $self->tell_login('loginu'); + + # do we need to send a forward/opernam? + my $lastoper = $user->lastoper || 0; + my $homenode = $user->homenode || ""; + if ($homenode eq $main::mycall && $lastoper + $DXUser::lastoperinterval < $main::systime) { + run_cmd($main::me, "forward/opernam $call"); + $user->lastoper($main::systime); } - Log('DXCommand', "$call connected"); - # send prompts and things - my $info = DXCluster::cluster(); + # run a script send the output to the punter + my $script = new Script(lc $call) || new Script('user_default'); + $script->run($self) if $script; + + # send cluster info + my $info = Route::cluster(); $self->send("Cluster:$info"); + + # send prompts and things $self->send($self->msg('namee1')) if !$user->name; $self->send($self->msg('qthe1')) if !$user->qth; $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long); $self->send($self->msg('hnodee1')) if !$user->qth; $self->send($self->msg('m9')) if DXMsg::for_me($call); $self->prompt; - - # decide on echo - if (!$user->wantecho) { - $self->send_now('E', "0"); - $self->send($self->msg('echow')); - } - - $self->tell_login('loginu'); - } # @@ -170,8 +213,8 @@ sub normal } } elsif ($self->{state} eq 'sysop') { my $passwd = $self->{user}->passwd; - my @pw = split / */, $passwd; if ($passwd) { + my @pw = grep {$_ !~ /\s/} split //, $passwd; my @l = @{$self->{passwd}}; my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]"; if ($cmdline =~ /$str/) { @@ -182,7 +225,31 @@ sub normal } else { $self->send($self->msg('sorry')); } - delete $self->{passwd}; + $self->state('prompt'); + } elsif ($self->{state} eq 'passwd') { + my $passwd = $self->{user}->passwd; + if ($passwd && $cmdline eq $passwd) { + $self->send($self->msg('pw1')); + $self->state('passwd1'); + } else { + $self->conn->{echo} = $self->conn->{decho}; + delete $self->conn->{decho}; + $self->send($self->msg('sorry')); + $self->state('prompt'); + } + } elsif ($self->{state} eq 'passwd1') { + $self->{passwd} = $cmdline; + $self->send($self->msg('pw2')); + $self->state('passwd2'); + } elsif ($self->{state} eq 'passwd2') { + if ($cmdline eq $self->{passwd}) { + $self->{user}->passwd($cmdline); + $self->send($self->msg('pw3')); + } else { + $self->send($self->msg('pw4')); + } + $self->conn->{echo} = $self->conn->{decho}; + delete $self->conn->{decho}; $self->state('prompt'); } elsif ($self->{state} eq 'talk') { if ($cmdline =~ m{^(?:/EX|/ABORT)}i) { @@ -197,18 +264,46 @@ sub normal $self->send($self->talk_prompt); } elsif ($self->{talklist} && @{$self->{talklist}}) { # send what has been said to whoever is in this person's talk list - for (@{$self->{talklist}}) { - $self->send_talks($_, $cmdline); + my @bad; + if (@bad = BadWords::check($cmdline)) { + $self->badcount(($self->badcount||0) + @bad); + Log('DXCommand', "$self->{call} swore: $cmdline"); + } else { + for (@{$self->{talklist}}) { + $self->send_talks($_, $cmdline); + } } $self->send($self->talk_prompt) if $self->{state} eq 'talk'; } else { # for safety $self->state('prompt'); } + } elsif (my $func = $self->{func}) { + no strict 'refs'; + my @ans; + if (ref $self->{edit}) { + eval { @ans = $self->{edit}->$func($self, $cmdline)}; + } else { + eval { @ans = &{$self->{func}}($self, $cmdline) }; + } + if ($@) { + $self->send_ans("Syserr: on stored func $self->{func}", $@); + delete $self->{func}; + $self->state('prompt'); + undef $@; + } + $self->send_ans(@ans); } else { $self->send_ans(run_cmd($self, $cmdline)); } - + + # check for excessive swearing + if ($self->{badcount} && $self->{badcount} >= $maxbadcount) { + Log('DXCommand', "$self->{call} logged out for excessive swearing"); + $self->disconnect; + return; + } + # send a prompt only if we are in a prompt state $self->prompt() if $self->{state} =~ /^prompt/o; } @@ -221,7 +316,7 @@ sub send_talks my ($to, $via) = $ent =~ /(\S+)>(\S+)/; $to = $ent unless $to; my $call = $via ? $via : $to; - my $clref = DXCluster->get_exact($call); + my $clref = Route::get($call); my $dxchan = $clref->dxchan if $clref; if ($dxchan) { $dxchan->talk($self->{call}, $to, $via, $line); @@ -270,7 +365,11 @@ sub send_ans $self->send($self->msg('page', scalar @_)); } else { for (@_) { - $self->send($_) if $_; + if (defined $_) { + $self->send($_); + } else { + $self->send(''); + } } } } @@ -287,76 +386,68 @@ sub run_cmd my $cmdline = shift; my @ans; - if ($self->{func}) { - my $c = qq{ \@ans = $self->{func}(\$self, \$cmdline) }; - dbg('eval', "stored func cmd = $c\n"); - eval $c; - if ($@) { - return ("Syserr: Eval err $errstr on stored func $self->{func}", $@); - } - } else { - return () if length $cmdline == 0; + return () if length $cmdline == 0; - # strip out // - $cmdline =~ s|//|/|og; + # strip out // + $cmdline =~ s|//|/|og; - # split the command line up into parts, the first part is the command - my ($cmd, $args) = split /\s+/, $cmdline, 2; - $args = "" unless defined $args; + # split the command line up into parts, the first part is the command + my ($cmd, $args) = split /\s+/, $cmdline, 2; + $args = "" unless defined $args; - if ($cmd) { + if ($cmd) { - my ($path, $fcmd); + my ($path, $fcmd); - dbg('command', "cmd: $cmd"); + dbg("cmd: $cmd") if isdbg('command'); - # alias it if possible - my $acmd = CmdAlias::get_cmd($cmd); - if ($acmd) { - ($cmd, $args) = split /\s+/, "$acmd $args", 2; - $args = "" unless defined $args; - dbg('command', "aliased cmd: $cmd $args"); - } + # alias it if possible + my $acmd = CmdAlias::get_cmd($cmd); + if ($acmd) { + ($cmd, $args) = split /\s+/, "$acmd $args", 2; + $args = "" unless defined $args; + dbg("aliased cmd: $cmd $args") if isdbg('command'); + } - # first expand out the entry to a command - ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); - ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; + # first expand out the entry to a command + ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); + ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; - if ($path && $cmd) { - dbg('command', "path: $cmd cmd: $fcmd"); + if ($path && $cmd) { + dbg("path: $cmd cmd: $fcmd") if isdbg('command'); - my $package = find_cmd_name($path, $fcmd); - @ans = (0) if !$package ; + my $package = find_cmd_name($path, $fcmd); + return ($@) if $@; - if ($package) { - dbg('command', "package: $package"); - my $c; - unless (exists $Cache{$package}->{'sub'}) { - $c = eval $Cache{$package}->{'eval'}; - if ($@) { - return DXDebug::shortmess($@); - } - $Cache{$package}->{'sub'} = $c; - } - $c = $Cache{$package}->{'sub'}; - eval { - @ans = &{$c}($self, $args); - }; - - if ($@) { - #cluck($@); - return (DXDebug::shortmess($@)); - }; - } + if ($package) { + no strict 'refs'; + dbg("package: $package") if isdbg('command'); + eval { @ans = &$package($self, $args) }; + return (DXDebug::shortmess($@)) if $@; + } + } else { + dbg("cmd: $cmd not found") if isdbg('command'); + if (++$self->{errors} > $maxerrors) { + $self->send($self->msg('e26')); + $self->disconnect; + return (); } else { - dbg('command', "cmd: $cmd not found"); return ($self->msg('e1')); } } } - shift @ans; + my $ok = shift @ans; + if ($ok) { + delete $self->{errors}; + } else { + if (++$self->{errors} > $maxerrors) { + $self->send($self->msg('e26')); + $self->disconnect; + return (); + } + } return (@ans); } @@ -379,6 +470,12 @@ sub process $dxchan->t($t); } } + + while (my ($k, $v) = each %nothereslug) { + if ($main::systime >= $v + 300) { + delete $nothereslug{$k}; + } + } } # @@ -389,26 +486,29 @@ sub disconnect my $self = shift; my $call = $self->call; - # reset the redirection of messages back to 'normal' if we are the sysop - if ($call eq $main::myalias) { - my $node = DXNode->get($main::mycall) or die "$main::mycall not allocated in DXNode database"; - $node->dxchan($DXProt::me); + return if $self->{disconnecting}++; + + delete $self->{senddbg}; + + my $uref = Route::User::get($call); + my @rout; + if ($uref) { + @rout = $main::routeroot->del_user($uref); + dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route'); + } else { + confess "trying to disconnect a non existant user $call"; } + # issue a pc17 to everybody interested + DXProt::route_pc17($main::me, $main::routeroot, @rout) if @rout; + # I was the last node visited $self->user->node($main::mycall); - # issue a pc17 to everybody interested - my $nchan = DXChannel->get($main::mycall); - my $pc17 = $nchan->pc17($self); - DXProt::broadcast_all_ak1a($pc17); - # send info to all logged in thingies $self->tell_login('logoutu'); Log('DXCommand', "$call disconnected"); - my $ref = DXCluster->get_exact($call); - $ref->del() if $ref; $self->SUPER::disconnect; } @@ -428,15 +528,10 @@ sub broadcast { my $pkg = shift; # ignored my $s = shift; # the line to be rebroadcast - my @except = @_; # to all channels EXCEPT these (dxchannel refs) - my @list = DXChannel->get_all(); # just in case we are called from some funny object - my ($dxchan, $except); - L: foreach $dxchan (@list) { - next if !$dxchan->sort eq 'U'; # only interested in user channels - foreach $except (@except) { - next L if $except == $dxchan; # ignore channels in the 'except' list - } + foreach my $dxchan (DXChannel->get_all()) { + next unless $dxchan->{sort} eq 'U'; # only interested in user channels + next if grep $dxchan == $_, @_; $dxchan->send($s); # send it } } @@ -444,13 +539,7 @@ sub broadcast # gimme all the users sub get_all { - my @list = DXChannel->get_all(); - my $ref; - my @out; - foreach $ref (@list) { - push @out, $ref if $ref->sort eq 'U'; - } - return @out; + return grep {$_->{sort} eq 'U'} DXChannel->get_all(); } # run a script for this user @@ -472,7 +561,7 @@ sub search # commands are lower case $short_cmd = lc $short_cmd; - dbg('command', "command: $path $short_cmd\n"); + dbg("command: $path $short_cmd\n") if isdbg('command'); # do some checking for funny characters return () if $short_cmd =~ /\/$/; @@ -480,7 +569,7 @@ sub search # return immediately if we have it ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd}; if ($apath && $acmd) { - dbg('command', "cached $short_cmd = ($apath, $acmd)\n"); + dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command'); return ($apath, $acmd); } @@ -502,7 +591,7 @@ sub search next if $l =~ /^\./; if ($i < $#parts) { # we are dealing with directories if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) { - dbg('command', "got dir: $curdir/$l\n"); + dbg("got dir: $curdir/$l\n") if isdbg('command'); $dirfn .= "$l/"; $curdir .= "/$l"; last; @@ -515,8 +604,8 @@ sub search $l = join '.', @lparts; # chop $dirfn; # remove trailing / $dirfn = "" unless $dirfn; - $cmd_cache{"$short_cmd"} = join(',', ($path, "$dirfn$l")); # cache it - dbg('command', "got path: $path cmd: $dirfn$l\n"); + $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it + dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command'); return ($path, "$dirfn$l"); } } @@ -528,7 +617,14 @@ sub search # clear the command name cache sub clear_cmd_cache { + no strict 'refs'; + + for (keys %Cache) { + undef *{$_}; + dbg("Undefining cmd $_") if isdbg('command'); + } %cmd_cache = (); + %Cache = (); } # @@ -544,39 +640,10 @@ sub clear_cmd_cache sub valid_package_name { my($string) = @_; - $string =~ s/([^A-Za-z0-9\/])/sprintf("_%2x",unpack("C",$1))/eg; - - #second pass only for words starting with a digit - $string =~ s|/(\d)|sprintf("/_%2x",unpack("C",$1))|eg; - - #Dress it up as a real package name - $string =~ s/\//_/og; - return $string; -} - -# find a cmd reference -# this is really for use in user written stubs -# -# use the result as a symbolic reference:- -# -# no strict 'refs'; -# @out = &$r($self, $line); -# -sub find_cmd_ref -{ - my $cmd = shift; - my $r; + $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg; - if ($cmd) { - - # first expand out the entry to a command - my ($path, $fcmd) = search($main::localcmd, $cmd, "pl"); - ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd; - - # make sure it is loaded - $r = find_cmd_name($path, $fcmd); - } - return $r; + $string =~ s|/|_|g; + return "cmd_$string"; } # @@ -609,42 +676,171 @@ sub find_cmd_name { }; #wrap the code into a subroutine inside our unique package - my $eval = qq( sub { $sub } ); + my $eval = qq( sub $package { $sub } ); if (isdbg('eval')) { my @list = split /\n/, $eval; my $line; for (@list) { - dbg('eval', $_, "\n"); + dbg($_ . "\n") if isdbg('eval'); } } - $Cache{$package} = {mtime => $mtime, 'eval' => $eval }; + # get rid of any existing sub and try to compile the new one + no strict 'refs'; + + if (exists $Cache{$package}) { + dbg("Redefining $package") if isdbg('command'); + undef *$package; + } else { + dbg("Defining $package") if isdbg('command'); + } + eval $eval; + + $Cache{$package} = {mtime => $mtime }; + } return $package; } +sub local_send +{ + my ($self, $let, $buf) = @_; + if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') { + if ($self->{enhanced}) { + $self->send_later($let, $buf); + } else { + $self->send($buf); + } + } else { + $self->delay($buf); + } +} + # send a talk message here sub talk { my ($self, $from, $to, $via, $line) = @_; $line =~ s/\\5E/\^/g; - $self->send("$to de $from: $line") if $self->{talk}; - Log('talk', $to, $from, $main::mycall, $line); + $self->local_send('T', "$to de $from: $line") if $self->{talk}; + Log('talk', $to, $from, $via?$via:$main::mycall, $line); + # send a 'not here' message if required + unless ($self->{here} && $from ne $to) { + my $key = "$to$from"; + unless (exists $nothereslug{$key}) { + my ($ref, $dxchan); + if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) { + my $name = $self->user->name || $to; + my $s = $self->user->nothere || $dxchan->msg('nothere', $name); + $nothereslug{$key} = $main::systime; + $dxchan->talk($to, $from, undef, $s); + } + } + } } # send an announce sub announce { + my $self = shift; + my $line = shift; + my $isolate = shift; + my $to = shift; + my $target = shift; + my $text = shift; + my ($filter, $hops); + + if (!$self->{ann_talk} && $to ne $self->{call}) { + my $call = AnnTalk::is_talk_candidate($_[0], $text); + return if $call; + } + if ($self->{annfilter}) { + ($filter, $hops) = $self->{annfilter}->it(@_ ); + return unless $filter; + } + + unless ($self->{ann}) { + return if $_[0] ne $main::myalias && $_[0] ne $main::mycall; + } + return if $target eq 'SYSOP' && $self->{priv} < 5; + my $buf = "$to$target de $_[0]: $text"; + $buf =~ s/\%5E/^/g; + $buf .= "\a\a" if $self->{beep}; + $self->local_send($target eq 'WX' ? 'W' : 'N', $buf); } # send a dx spot sub dx_spot { + my $self = shift; + my $line = shift; + my $isolate = shift; + my ($filter, $hops); + + return unless $self->{dx}; + if ($self->{spotsfilter}) { + ($filter, $hops) = $self->{spotsfilter}->it(@_ ); + return unless $filter; + } + + my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]); + $buf .= "\a\a" if $self->{beep}; + $buf =~ s/\%5E/^/g; + $self->local_send('X', $buf); } +sub wwv +{ + my $self = shift; + my $line = shift; + my $isolate = shift; + my ($filter, $hops); + + return unless $self->{wwv}; + + if ($self->{wwvfilter}) { + ($filter, $hops) = $self->{wwvfilter}->it(@_ ); + return unless $filter; + } + + my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]"; + $buf .= "\a\a" if $self->{beep}; + $self->local_send('V', $buf); +} + +sub wcy +{ + my $self = shift; + my $line = shift; + my $isolate = shift; + my ($filter, $hops); + + return unless $self->{wcy}; + + if ($self->{wcyfilter}) { + ($filter, $hops) = $self->{wcyfilter}->it(@_ ); + return unless $filter; + } + + my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]"; + $buf .= "\a\a" if $self->{beep}; + $self->local_send('Y', $buf); +} + +# broadcast debug stuff to all interested parties +sub broadcast_debug +{ + my $s = shift; # the line to be rebroadcast + + foreach my $dxchan (DXChannel->get_all) { + next unless $dxchan->{enhanced} && $dxchan->{senddbg}; + $dxchan->send_later('L', $s); + } +} + + 1; __END__