3 # This module impliments the user facing command mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
10 package DXCommandmode;
18 use POSIX qw(:math_h);
43 use Time::HiRes qw(gettimeofday tv_interval);
51 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
52 $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers
53 $maxcmdlth $maxcmdcount $cmdinterval
56 %Cache = (); # cache of dynamically loaded routine's mod times
57 %cmd_cache = (); # cache of short names
58 $errstr = (); # error string from eval
59 %aliases = (); # aliases for (parts of) commands
60 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
61 $maxbadcount = 3; # no of bad words allowed before disconnection
62 $msgpolltime = 3600; # the time between polls for new messages
63 $cmdimportdir = "$main::root/cmd_import"; # the base directory for importing command scripts
64 # this does not exist as default, you need to create it manually
65 $users = 0; # no of users on this node currently
66 $maxusers = 0; # max no users on this node for this run
67 $maxcmdlth = 512; # max length of incoming cmd line (including the command and any arguments
68 $maxcmdcount = 27; # max no cmds entering $cmdinterval seconds
69 $cmdinterval = 20; # if user enters more than $maxcmdcount in $cmdinterval seconds, they are logged off
72 # obtain a new connection this is derived from dxchannel
77 my $self = DXChannel::alloc(@_);
79 # routing, this must go out here to prevent race condx
82 # my @rout = $main::routeroot->add_user($call, Route::here(1));
83 my $ipaddr = alias_localhost($self->hostname);
84 DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $ipaddr], );
86 # ALWAYS output the user (except if the updates not enabled)
87 my $ref = Route::User::get($call);
89 $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref);
90 $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes || ! $DXProt::pc92_ad_enable;
96 # this is how a a connection starts, you get a hello message and the motd with
97 # possibly some other messages asking you to set various things up if you are
98 # new (or nearly new and slacking) user.
102 my ($self, $line, $sort) = @_;
103 my $user = $self->{user};
104 my $call = $self->{call};
105 my $name = $user->{name};
108 my $host = $self->{conn}->peerhost;
109 $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
111 $self->{hostname} = $host;
113 $self->{name} = $name ? $name : $call;
114 $self->send($self->msg('l2',$self->{name}));
115 $self->send("Capabilities: ve7cc rbn");
116 $self->state('prompt'); # a bit of room for further expansion, passwords etc
117 $self->{priv} = $user->priv || 0;
118 $self->{lang} = $user->lang || $main::lang || 'en';
119 my $pagelth = $user->pagelth;
120 $pagelth = $default_pagelth unless defined $pagelth;
121 $self->{pagelth} = $pagelth;
122 ($self->{width}) = $line =~ /\s*width=(\d+)/; $line =~ s/\s*width=\d+//;
123 $self->{enhanced} = $line =~ /\s+enhanced/; $line =~ s/\s*enhanced//;
124 if ($line =~ /host=/) {
125 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
126 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
128 ($h) = $line =~ /host=([\da..fA..F:]+)/;
129 $line =~ s/\s*host=[\da..fA..F:]+// if $h;
131 $self->{hostname} = $h if $h;
133 $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
134 $self->{consort} = $line; # save the connection type
136 LogDbg('DXCommand', "$call connected from $self->{hostname} cols $self->{width}" . ($self->{enhanced}?" enhanced":''));
138 # set some necessary flags on the user if they are connecting
139 $self->{beep} = $user->wantbeep;
140 $self->{ann} = $user->wantann;
141 $self->{wwv} = $user->wantwwv;
142 $self->{wcy} = $user->wantwcy;
143 $self->{talk} = $user->wanttalk;
144 $self->{wx} = $user->wantwx;
145 $self->{dx} = $user->wantdx;
146 $self->{logininfo} = $user->wantlogininfo;
147 $self->{ann_talk} = $user->wantann_talk;
148 $self->{wantrbn} = $user->wantrbn;
150 $self->{prompt} = $user->prompt if $user->prompt;
151 $self->{lastmsgpoll} = 0;
152 $self->{rbnseeme} = $user->rbnseeme;
153 RBN::add_seeme($call) if $self->{rbnseeme};
155 # sort out new dx spot stuff
156 $user->wantdxcq(0) unless defined $user->{wantdxcq};
157 $user->wantdxitu(0) unless defined $user->{wantdxitu};
158 $user->wantusstate(0) unless defined $user->{wantusstate};
160 # sort out registration
161 if ($main::reqreg == 2) {
162 $self->{registered} = !$user->registered;
164 $self->{registered} = $user->registered;
167 # establish slug queue, if required
168 $self->{sluggedpcs} = [];
169 $self->{isslugged} = $DXProt::pc92_slug_changes + $DXProt::last_pc92_slug + 5 if $DXProt::pc92_slug_changes;
170 $self->{isslugged} = 0 if $self->{priv} || $user->registered || ($user->homenode && $user->homenode eq $main::mycall);
172 # send the relevant MOTD
175 # sort out privilege reduction
176 $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->conn->peerhost eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
179 Filter::load_dxchan($self, 'spots', 0);
180 Filter::load_dxchan($self, 'wwv', 0);
181 Filter::load_dxchan($self, 'wcy', 0);
182 Filter::load_dxchan($self, 'ann', 0);
183 Filter::load_dxchan($self, 'rbn', 0);
185 # clean up qra locators
186 my $qra = $user->qra;
187 $qra = undef if ($qra && !DXBearing::is_qra($qra));
189 my $lat = $user->lat;
190 my $long = $user->long;
191 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
195 my $echo = $user->wantecho;
197 $self->send_now('E', "0");
198 $self->send($self->msg('echow'));
199 $self->conn->echo($echo) if $self->conn->can('echo');
202 $self->tell_login('loginu');
203 $self->tell_buddies('loginb');
205 # is this a bad ip address?
206 if (is_ipaddr($self->{hostname})) {
207 $self->{badip} = DXCIDR::find($self->{hostname});
210 # do we need to send a forward/opernam?
211 my $lastoper = $user->lastoper || 0;
212 my $homenode = $user->homenode || "";
213 if ($homenode eq $main::mycall && $main::systime >= $lastoper + $DXUser::lastoperinterval) {
214 run_cmd($main::me, "forward/opernam $call");
215 $user->lastoper($main::systime + ((int rand(10)) * 86400));
218 # run a script send the output to the punter
219 my $script = new Script(lc $call) || new Script('user_default');
220 $script->run($self) if $script;
223 $self->send($self->run_cmd("show/cluster"));
225 # send prompts for qth, name and things
226 $self->send($self->msg('namee1')) if !$user->name;
227 $self->send($self->msg('qthe1')) if !$user->qth;
228 $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
229 $self->send($self->msg('hnodee1')) if !$user->qth;
230 $self->send($self->msg('m9')) if DXMsg::for_me($call);
232 # send out any buddy messages for other people that are online
233 foreach my $call (@{$user->buddies}) {
234 my $ref = Route::User::get($call);
236 foreach my $node ($ref->parents) {
237 $self->send($self->msg($node eq $main::mycall ? 'loginb' : 'loginbn', $call, $node));
242 $self->lastmsgpoll($main::systime);
243 $self->{user_interval} = $self->user->user_interval || $main::user_interval; # allow user to change idle time between prompts
246 $self->{cmdintstart} = 0; # set when systime > this + cmdinterval and a command entered, cmdcount set to 0
247 $self->{cmdcount} = 0; # incremented on a coming in. If this value > $maxcmdcount, disconnect
252 # This is the normal command prompt driver
262 # save this for them's that need it
263 my $rawline = $cmdline;
265 # remove leading and trailing spaces
266 $cmdline =~ s/^\s*(.*)\s*$/$1/;
268 if ($self->{state} eq 'page') {
269 my $i = $self->{pagelth}-5;
270 my $ref = $self->{pagedata};
273 # abort if we get a line starting in with a
274 if ($cmdline =~ /^a/io) {
279 # send a tranche of data
280 for (; $i > 0 && @$ref; --$i) {
281 my $line = shift @$ref;
282 $line =~ s/\s+$//o; # why am having to do this?
286 # reset state if none or else chuck out an intermediate prompt
288 $tot -= $self->{pagelth};
289 $self->send($self->msg('page', $tot));
291 $self->state('prompt');
293 } elsif ($self->{state} eq 'sysop') {
294 my $passwd = $self->{user}->passwd;
296 my @pw = grep {$_ !~ /\s/} split //, $passwd;
297 my @l = @{$self->{passwd}};
298 my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
299 if ($cmdline =~ /$str/) {
300 $self->{priv} = $self->{user}->priv;
302 $self->send($self->msg('sorry'));
305 $self->send($self->msg('sorry'));
307 $self->state('prompt');
308 } elsif ($self->{state} eq 'passwd') {
309 my $passwd = $self->{user}->passwd;
310 if ($passwd && $cmdline eq $passwd) {
311 $self->send($self->msg('pw1'));
312 $self->state('passwd1');
314 $self->conn->{echo} = $self->conn->{decho};
315 delete $self->conn->{decho};
316 $self->send($self->msg('sorry'));
317 $self->state('prompt');
319 } elsif ($self->{state} eq 'passwd1') {
320 $self->{passwd} = $cmdline;
321 $self->send($self->msg('pw2'));
322 $self->state('passwd2');
323 } elsif ($self->{state} eq 'passwd2') {
324 if ($cmdline eq $self->{passwd}) {
325 $self->{user}->passwd($cmdline);
326 $self->send($self->msg('pw3'));
328 $self->send($self->msg('pw4'));
330 $self->conn->{echo} = $self->conn->{decho};
331 delete $self->conn->{decho};
332 $self->state('prompt');
333 } elsif ($self->{state} eq 'talk' || $self->{state} eq 'chat') {
334 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
335 for (@{$self->{talklist}}) {
336 if ($self->{state} eq 'talk') {
337 $self->send_talks($_, $self->msg('talkend'));
338 } elsif ($self->{state} eq 'chat') {
339 $self->send_talks($_, $self->msg('chatend'));
341 $self->local_send('C', $self->msg('chatend', $_));
344 $self->state('prompt');
345 delete $self->{talklist};
346 } elsif ($cmdline =~ m|^[/\w\\]+|) {
348 my $sendit = ($cmdline = unpad($cmdline));
349 if (@bad = BadWords::check($cmdline)) {
350 $self->badcount(($self->badcount||0) + @bad);
351 LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
355 if (($c) = $cmdline =~ /^cmd\s+(.*)$/) {
356 @in = $self->run_cmd($c);
357 $self->send_ans(@in);
360 if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
361 foreach my $l (@in) {
362 for (@{$self->{talklist}}) {
363 if ($self->{state} eq 'talk') {
364 $self->send_talks($_, $l);
366 send_chats($self, $_, $l)
373 $self->send($self->{state} eq 'talk' ? $self->talk_prompt : $self->chat_prompt);
374 } elsif ($self->{talklist} && @{$self->{talklist}}) {
375 # send what has been said to whoever is in this person's talk list
376 if (@bad = BadWords::check($cmdline)) {
377 $self->badcount(($self->badcount||0) + @bad);
378 LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
380 for (@{$self->{talklist}}) {
381 if ($self->{state} eq 'talk') {
382 $self->send_talks($_, $rawline);
384 send_chats($self, $_, $rawline);
388 $self->send($self->talk_prompt) if $self->{state} eq 'talk';
389 $self->send($self->chat_prompt) if $self->{state} eq 'chat';
392 $self->state('prompt');
394 } elsif (my $func = $self->{func}) {
397 if (ref $self->{edit}) {
398 eval { @ans = $self->{edit}->$func($self, $rawline)};
400 eval { @ans = &{$self->{func}}($self, $rawline) };
403 $self->send_ans("Syserr: on stored func $self->{func}", $@);
404 delete $self->{func};
405 $self->state('prompt');
408 $self->send_ans(@ans);
410 # if (@bad = BadWords::check($cmdline)) {
411 # $self->badcount(($self->badcount||0) + @bad);
412 # LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
414 my @cmd = split /\s*\\n\s*/, $cmdline;
415 foreach my $l (@cmd) {
419 if (($self->{cmdintstart} + $cmdinterval <= $main::systime) || $self->{inscript}) {
420 $self->{cmdintstart} = $main::systime;
421 $self->{cmdcount} = 1;
422 dbg("$self->{call} started cmdinterval") if isdbg('cmdcount');
424 if (++$self->{cmdcount} > $maxcmdcount) {
425 LogDbg('baduser', qq{User $self->{call} sent $self->{cmdcount} (>= $maxcmdcount) cmds in $cmdinterval seconds starting at } . atime($self->{cmdintstart}) . ", disconnected" );
428 dbg("$self->{call} cmd: '$l' cmdcount = $self->{cmdcount} in $cmdinterval secs") if isdbg('cmdcount');
430 $self->send_ans(run_cmd($self, $l));
435 # check for excessive swearing
436 if ($maxbadcount && $self->{badcount} && $self->{badcount} >= $maxbadcount) {
437 LogDbg('DXCommand', "$self->{call} logged out for excessive swearing");
442 # send a prompt only if we are in a prompt state
443 $self->prompt() if $self->{state} =~ /^prompt/o;
452 for (@{$self->{talklist}}) {
453 my ($to, $via) = /(\S+)>(\S+)/;
457 return $self->msg($prompt, join(',', @call));
463 return $self->special_prompt('talkprompt');
469 return $self->special_prompt('chatprompt');
473 # send a load of stuff to a command user with page prompting
481 if ($self->{pagelth} && @_ > $self->{pagelth}) {
483 for ($i = $self->{pagelth}; $i-- > 0; ) {
485 $line =~ s/\s+$//o; # why am having to do this?
488 $self->{pagedata} = [ @_ ];
489 $self->state('page');
490 $self->send($self->msg('page', scalar @_));
503 # this is the thing that preps for running the command, it is done like this for the
504 # benefit of remote command execution
510 my $user = $self->{user};
511 my $call = $self->{call};
515 return () if length $cmdline == 0;
517 # split the command line up into parts, the first part is the command
518 my ($cmd, $args) = split /\s+/, $cmdline, 2;
519 $args = "" unless defined $args;
523 # strip out // on command only
526 # check for length of whole command line and any invalid characters
527 if (length $cmdline > $maxcmdlth || $cmd =~ m|\.| || $cmd !~ m|^\w+(?:/\w+){0,1}(?:/\d+)?$|) {
528 LogDbg('DXCommand', "cmd: $self->{call} - invalid characters in '$cmd'");
529 return $self->_error_out('e40');
534 dbg("cmd: $cmd") if isdbg('command');
536 # alias it if possible
537 my $acmd = CmdAlias::get_cmd($cmd);
539 ($cmd, $args) = split /\s+/, "$acmd $args", 2;
540 $args = "" unless defined $args;
541 dbg("cmd: aliased $cmd $args") if isdbg('command');
544 # first expand out the entry to a command
545 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
546 ($path, $fcmd) = search($main::cmd, $cmd, "pl") unless $path && $fcmd;
549 dbg("cmd: path $cmd cmd: $fcmd") if isdbg('command');
551 my $package = find_cmd_name($path, $fcmd);
554 if ($package && $self->can("${package}::handle")) {
556 dbg("cmd: package $package") if isdbg('command');
557 # Log('cmd', "$self->{call} on $self->{hostname} : '$cmd $args'");
558 my $t0 = [gettimeofday];
559 eval { @ans = &{"${package}::handle"}($self, $args) };
561 DXDebug::dbgprintring(25);
562 return (DXDebug::shortmess($@));
564 if (isdbg('progress')) {
565 my $msecs = _diffms($t0);
566 my $s = "CMD: '$cmd $args' by $call ip: $self->{hostname} ${msecs}mS";
567 dbg($s) if $cmd !~ /^(?:echo|blank)/ || isdbg('echo'); # cut down a bit on HRD and other clients' noise
570 dbg("cmd: $package not present") if isdbg('command');
571 return $self->_error_out('e1');
574 LogDbg('DXCommand', "$self->{call} cmd: '$cmd' not found");
575 return $self->_error_out('e1');
581 delete $self->{errors};
583 if ($self != $main::me && ++$self->{errors} > $DXChannel::maxerrors) {
584 $self->send($self->msg('e26'));
589 return map {s/([^\s])\s+$/$1/; $_} @ans;
593 # This is called from inside the main cluster processing loop and is used
594 # for despatching commands that are doing some long processing job
599 my @dxchan = DXChannel::get_all();
603 foreach $dxchan (@dxchan) {
604 next unless $dxchan->is_user;
606 # send a outstanding message prompt if required
607 if ($t >= $dxchan->lastmsgpoll + $msgpolltime) {
608 $dxchan->send($dxchan->msg('m9')) if DXMsg::for_me($dxchan->call);
609 $dxchan->lastmsgpoll($t);
612 # send a prompt if no activity out on this channel
613 if ($t >= $dxchan->t + $dxchan->{user_interval}) {
614 $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
618 $maxusers = $users if $users > $maxusers;
620 if ($dxchan->{isslugged} && $main::systime > $dxchan->{isslugged}) {
621 foreach my $ref (@{$dxchan->{sluggedpcs}}) {
622 if ($ref->[0] == 61) {
623 Spot::add(@{$ref->[2]});
624 DXProt::send_dx_spot($dxchan, $ref->[1], @{$ref->[2]});
628 $dxchan->{isslugged} = 0;
629 $dxchan->{sluggedpcs} = [];
637 # finish up a user context
642 my $call = $self->call;
644 return if $self->{disconnecting}++;
646 delete $self->{senddbg};
647 RBN::del_seeme($call);
649 my $uref = Route::User::get($call);
652 # @rout = $main::routeroot->del_user($uref);
653 @rout = DXProt::_del_thingy($main::routeroot, [$call, 0]);
655 # dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
657 # issue a pc17 to everybody interested
658 $main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref);
659 $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes || ! $DXProt::pc92_ad_enable;
661 confess "trying to disconnect a non existant user $call";
664 # I was the last node visited
665 $self->user->node($main::mycall);
667 # send info to all logged in thingies
668 $self->tell_login('logoutu');
669 $self->tell_buddies('logoutb');
671 LogDbg('DXCommand', "$call disconnected");
673 $self->SUPER::disconnect;
677 # short cut to output a prompt
684 return if $self->{gtk}; # 'cos prompts are not a concept that applies here
686 my $call = $self->call;
687 my $date = cldate($main::systime);
688 my $time = ztime($main::systime);
689 my $prompt = $self->{prompt} || $self->msg('pr');
691 $call = "($call)" unless $self->here;
692 $prompt =~ s/\%C/$call/g;
693 $prompt =~ s/\%D/$date/g;
694 $prompt =~ s/\%T/$time/g;
695 $prompt =~ s/\%M/$main::mycall/g;
697 $self->send($prompt);
700 # broadcast a message to all users [except those mentioned after buffer]
703 my $pkg = shift; # ignored
704 my $s = shift; # the line to be rebroadcast
706 foreach my $dxchan (DXChannel::get_all()) {
707 next unless $dxchan->is_user; # only interested in user channels
708 next if grep $dxchan == $_, @_;
709 $dxchan->send($s); # send it
713 # gimme all the users
716 goto &DXChannel::get_all_users;
719 # run a script for this user
723 my $silent = shift || 0;
728 # search for the command in the cache of short->long form commands
733 my ($path, $short_cmd, $suffix) = @_;
736 # commands are lower case
737 $short_cmd = lc $short_cmd;
738 dbg("command: $path $short_cmd\n") if isdbg('command');
740 # do some checking for funny characters
741 return () if $short_cmd =~ /\/$/;
743 # return immediately if we have it
744 ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
745 if ($apath && $acmd) {
746 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
747 return ($apath, $acmd);
751 my @parts = split '/', $short_cmd;
755 while (my $p = shift @parts) {
756 opendir(D, $curdir) or confess "can't open $curdir $!";
760 # if this isn't the last part
763 foreach my $l (sort @ls) {
765 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
766 dbg("got dir: $curdir/$l\n") if isdbg('command');
773 # only proceed if we find the directory asked for
774 return () unless $found;
776 foreach my $l (sort @ls) {
778 next unless $l =~ /\.$suffix$/;
779 if ($p eq substr($l, 0, length $p)) {
780 $l =~ s/\.$suffix$//;
781 $dirfn = "" unless $dirfn;
782 $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
783 dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
784 return ($path, "$dirfn$l");
793 # clear the command name cache
798 for my $k (keys %Cache) {
799 unless ($k =~ /cmd_cache/) {
800 dbg("Undefining cmd $k") if isdbg('command');
801 undef $DXCommandmode::{"${k}::"};
805 %Cache = ( cmd_clear_cmd_cache => $Cache{cmd_clear_cmd_cache} );
809 # the persistant execution of things from the command directories
812 # This allows perl programs to call functions dynamically
814 # This has been nicked directly from the perlembed pages
816 #require Devel::Symdump;
818 sub valid_package_name {
820 $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
823 return "cmd_$string";
827 # this bit of magic finds a command in the offered directory
831 my $package = valid_package_name($cmdname);
832 my $filename = "$path/$cmdname.pl";
833 my $mtime = -M $filename;
835 # return if we can't find it
837 unless (defined $mtime) {
838 $errstr = DXM::msg('e1');
842 if(exists $Cache{$package} && exists $Cache{$package}->{mtime} && $Cache{$package}->{mtime} <= $mtime) {
843 #we have compiled this subroutine already,
844 #it has not been updated on disk, nothing left to do
845 #print STDERR "already compiled $package->handler\n";
846 dbg("find_cmd_name: $package cached") if isdbg('command');
849 my $sub = readfilestr($filename);
851 $errstr = "Syserr: can't open '$filename' $!";
855 #wrap the code into a subroutine inside our unique package
856 my $eval = qq(package DXCommandmode::$package; use 5.10.1; use POSIX qw{:math_h}; use DXLog; use DXDebug; use DXUser; use DXUtil; our \@ISA = qw{DXCommandmode}; );
859 if ($sub =~ m|\s*sub\s+handle\n|) {
862 $eval .= qq(sub handle { $sub });
866 my @list = split /\n/, $eval;
868 dbg($_ . "\n") if isdbg('eval');
872 # get rid of any existing sub and try to compile the new one
875 if (exists $Cache{$package}) {
876 dbg("find_cmd_name: Redefining $package") if isdbg('command');
877 undef $DXCommandmode::{"${package}::"};
878 delete $Cache{$package};
880 dbg("find_cmd_name: Defining $package") if isdbg('command');
885 $Cache{$package} = {mtime => $mtime } unless $@;
888 return "DXCommandmode::$package";
896 $self->SUPER::send(dd(['cmd',$_]));
899 $self->SUPER::send(@_);
905 my ($self, $let, $buf) = @_;
906 if ($self->{state} eq 'prompt' || $self->{state} eq 'talk' || $self->{state} eq 'chat') {
907 if ($self->{enhanced}) {
908 $self->send_later($let, $buf);
929 if (!$self->{ann_talk} && $to ne $self->{call}) {
930 my $call = AnnTalk::is_talk_candidate($_[0], $text);
934 if ($self->{annfilter}) {
935 ($filter, $hops) = $self->{annfilter}->it(@_ );
936 return unless $filter;
939 unless ($self->{ann}) {
940 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
942 return if $target eq 'SYSOP' && $self->{priv} < 5;
945 $buf = dd(['ann', $to, $target, $text, @_])
947 $buf = "$to$target de $_[0]: $text";
949 $buf .= "\a\a" if $self->{beep};
951 $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
954 # send a talk message here
957 my ($self, $from, $to, $via, $line, $onode) = @_;
958 $line =~ s/^\#\d+ //;
959 $line =~ s/\\5E/\^/g;
962 $self->local_send('T', dd(['talk',$to,$from,$via,$line]));
964 $self->local_send('T', "$to de $from: $line");
967 Log('talk', $to, $from, '<' . ($onode || '*'), $line);
981 return unless grep uc $_ eq $target, @{$self->{user}->{group}};
983 $text =~ s/^\#\d+ //;
986 $buf = dd(['chat', $to, $target, $text, @_])
988 $buf = "$target de $_[0]: $text";
990 $buf .= "\a\a" if $self->{beep};
992 $self->local_send('C', $buf);
995 # send out the talk messages taking into account vias and connectivity
998 my ($self, $target, $text) = @_;
1000 my $msgid = DXProt::nextchatmsgid();
1001 $text = "#$msgid $text";
1002 my $ipaddr = alias_localhost($self->hostname || '127.0.0.1');
1003 $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text, undef, $ipaddr));
1013 my $msgid = DXProt::nextchatmsgid();
1014 $text = "#$msgid $text";
1015 my $ipaddr = alias_localhost($self->hostname || '127.0.0.1');
1016 $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text, undef, $ipaddr));
1024 my $t = ztime($_[2]);
1025 my ($slot1, $slot2) = ('', '');
1027 my $clth = 30 + $self->{width} - 80; # allow comment to grow according the screen width
1030 my $comment = substr (($c || ''), 0, $clth);
1031 $comment .= ' ' x ($clth - (length($comment)));
1033 if ($self->{user}) { # to allow the standalone program 'showdx' to work
1034 if (!$slot1 && $self->{user}->wantgrid) {
1035 my $ref = DXUser::get_current($_[1]);
1036 if ($ref && $ref->qra) {
1037 $slot1 = ' ' . substr($ref->qra, 0, 4);
1040 if (!$slot1 && $self->{user}->wantusstate) {
1041 $slot1 = " $_[12]" if $_[12];
1044 if ($self->{user}->wantdxitu) {
1045 $slot1 = sprintf(" %2d", $_[8]) if defined $_[8];
1047 elsif ($self->{user}->wantdxcq) {
1048 $slot1 = sprintf(" %2d", $_[9]) if defined $_[9];
1051 $comment = substr($comment, 0, $clth-length($slot1)) . $slot1 if $slot1;
1053 if (!$slot2 && $self->{user}->wantgrid) {
1055 $origin =~ s/-#$//; # sigh......
1056 my $ref = DXUser::get_current($origin);
1057 if ($ref && $ref->qra) {
1058 $slot2 = ' ' . substr($ref->qra, 0, 4);
1061 if (!$slot2 && $self->{user}->wantusstate) {
1062 $slot2 = " $_[13]" if $_[13];
1065 if ($self->{user}->wantdxitu) {
1066 $slot2 = sprintf(" %2d", $_[10]) if defined $_[10];
1068 elsif ($self->{user}->wantdxcq) {
1069 $slot2 = sprintf(" %2d", $_[11]) if defined $_[11];
1074 my $o = sprintf("%-9s", $_[4] . ':');
1075 my $qrg = sprintf "%8.1f", $_[0];
1076 if (length $qrg >= 9) {
1077 while (length($o)+length($qrg) > 17 && $o =~ / $/) {
1081 my $spot = sprintf "%-12s", $_[1];
1082 my $front = "DX de $o $qrg $spot";
1083 while (length($front) > 38 && $front =~ / $/) {
1088 return sprintf "$front %-s $t$slot2", $comment;
1097 my $isolate = shift;
1098 return unless $self->{dx};
1100 my ($filter, $hops);
1102 if ($self->{spotsfilter}) {
1103 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
1104 return unless $filter;
1107 dbg('spot: "' . join('","', @_) . '"') if isdbg('dxspot');
1110 if ($self->{ve7cc}) {
1111 $buf = VE7CC::dx_spot($self, @_);
1112 } elsif ($self->{gtk}) {
1113 my ($dxloc, $byloc);
1115 my $ref = DXUser::get_current($_[4]);
1118 $byloc = substr($byloc, 0, 4) if $byloc;
1122 $spot =~ s|/\w{1,4}$||;
1123 $ref = DXUser::get_current($spot);
1126 $dxloc = substr($dxloc, 0, 4) if $dxloc;
1128 $buf = dd(['dx', @_, ($dxloc||''), ($byloc||'')]);
1131 $buf = $self->format_dx_spot(@_);
1132 $buf .= "\a\a" if $self->{beep};
1133 #$buf =~ s/\%5E/^/g;
1136 $self->local_send('X', $buf);
1143 my $isolate = shift;
1144 my ($filter, $hops);
1146 return unless $self->{wwv};
1148 if ($self->{wwvfilter}) {
1149 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_] );
1150 return unless $filter;
1155 $buf = dd(['wwv', @_])
1157 $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1158 $buf .= "\a\a" if $self->{beep};
1161 $self->local_send('V', $buf);
1168 my $isolate = shift;
1169 my ($filter, $hops);
1171 return unless $self->{wcy};
1173 if ($self->{wcyfilter}) {
1174 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
1175 return unless $filter;
1180 $buf = dd(['wcy', @_])
1182 $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1183 $buf .= "\a\a" if $self->{beep};
1185 $self->local_send('Y', $buf);
1188 # broadcast debug stuff to all interested parties
1191 my $s = shift; # the line to be rebroadcast
1193 foreach my $dxchan (DXChannel::get_all_users) {
1194 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
1195 if ($dxchan->{gtk}) {
1196 $dxchan->send_later('L', dd(['db', $s]));
1198 $dxchan->send_later('L', $s);
1209 if ($self->state eq 'enterbody') {
1210 my $loc = $self->{loc} || confess "local var gone missing" ;
1211 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
1213 push @out, &{$loc->{endaction}}($self); # like this for < 5.8.0
1215 $self->state('prompt');
1216 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
1217 push @out, $self->msg('m10');
1218 delete $loc->{lines};
1219 delete $self->{loc};
1221 $self->state('prompt');
1223 push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
1224 # i.e. it ain't and end or abort, therefore store the line
1227 confess "Invalid state $self->{state}";
1232 sub store_startup_script
1235 my $loc = $self->{loc} || confess "local var gone missing" ;
1237 my $call = $loc->{call} || confess "callsign gone missing";
1238 confess "lines array gone missing" unless ref $loc->{lines};
1239 my $r = Script::store($call, $loc->{lines});
1242 push @out, $self->msg('m19', $call, $r);
1244 push @out, $self->msg('m20', $call);
1247 push @out, "error opening startup script $call $!";
1252 # Import any commands contained in any files in import_cmd directory
1254 # If the filename has a recogisable callsign as some delimited part
1255 # of it, then this is the user the command will be run as.
1259 # are there any to do in this directory?
1260 return unless -d $cmdimportdir;
1261 unless (opendir(DIR, $cmdimportdir)) {
1262 LogDbg('err', "can\'t open $cmdimportdir $!");
1266 my @names = readdir(DIR);
1270 return unless @names;
1272 foreach $name (@names) {
1273 next if $name =~ /^\./;
1275 my $s = Script->new($name, $cmdimportdir);
1277 LogDbg('DXCommand', "Run import cmd file $name");
1278 my @cat = split /[^A-Za-z0-9]+/, $name;
1279 my ($call) = grep {is_callsign(uc $_)} @cat;
1280 $call ||= $main::mycall;
1285 $s->inscript(0); # switch off script checks
1287 if ($call eq $main::mycall) {
1288 @out = $s->run($main::me, 1);
1290 my $dxchan = DXChannel::get($call);
1292 @out = $s->run($dxchan, 1);
1294 my $u = DXUser::get($call);
1296 $dxchan = $main::me;
1297 my $old = $dxchan->{call};
1298 my $priv = $dxchan->{priv};
1299 my $user = $dxchan->{user};
1300 $dxchan->{call} = $call;
1301 $dxchan->{priv} = $u->priv;
1302 $dxchan->{user} = $u;
1303 @out = $s->run($dxchan, 1);
1304 $dxchan->{call} = $old;
1305 $dxchan->{priv} = $priv;
1306 $dxchan->{user} = $user;
1308 LogDbg('err', "Trying to run import cmd for non-existant user $call");
1314 LogDbg('DXCommand', "Import cmd $name/$call: $_");
1317 LogDbg('err', "Failed to open $cmdimportdir/$name $!");
1318 unlink "$cmdimportdir/$name";
1323 sub print_find_reply
1325 my ($self, $node, $target, $flag, $ms) = @_;
1326 my $sort = $flag == 2 ? "External" : "Local";
1327 $self->send("$sort $target found at $node in $ms ms" );
1330 # send the most relevant motd
1336 unless ($self->isregistered) {
1337 $motd = "${main::motd}_nor_$self->{lang}";
1338 $motd = "${main::motd}_nor" unless -e $motd;
1340 $motd = "${main::motd}_$self->{lang}" unless $motd && -e $motd;
1341 $motd = $main::motd unless $motd && -e $motd;
1342 if ($self->conn->ax25) {
1344 $motd = "${motd}_ax25" if -e "${motd}_ax25";
1346 $motd = "${main::motd}_ax25" if -e "${main::motd}_ax25";
1349 $self->send_file($motd) if -e $motd;
1352 # Punt off a long running command into a separate process
1354 # This is called from commands to run some potentially long running
1355 # function. The process forks and then runs the function and returns
1356 # the result back to the cmd.
1358 # NOTE: this merely forks the current process and then runs the cmd in that (current) context.
1359 # IT DOES NOT START UP SOME NEW PROGRAM AND RELIES ON THE FACT THAT IT IS RUNNING DXSPIDER
1360 # THE CURRENT CONTEXT!!
1362 # call: $self->spawn_cmd($original_cmd_line, \<function>, [cb => sub{...}], [prefix => "cmd> "], [progress => 0|1], [args => [...]]);
1368 my $call = $self->{call};
1372 my $cb = delete $args{cb};
1373 my $prefix = delete $args{prefix};
1374 my $progress = delete $args{progress};
1375 my $args = delete $args{args} || [];
1376 my $t0 = [gettimeofday];
1380 # just behave normally if something has set the "one-shot" _nospawn in the channel
1381 if ($self->{_nospawn} || $main::is_win == 1) {
1382 eval { @out = $cmdref->(@$args); };
1384 DXDebug::dbgprintring(25);
1385 push @out, DXDebug::shortmess($@);
1390 my $fc = DXSubprocess->new;
1391 # $fc->serializer(\&encode_json);
1392 # $fc->deserializer(\&decode_json);
1396 if (isdbg('progress')) {
1397 my $s = qq{$call line: "$line"};
1398 $s .= ", args: " . join(', ', map { defined $_ ? qq{'$_'} : q{'undef'} } @$args) if $args && @$args;
1402 ++$self->{_in_sub_process};
1403 dbg "\$self->{_in_sub_process} = $self->{_in_sub_process}";
1404 @out = $cmdref->(@$args);
1405 --$self->{_in_sub_process} if $self->{_in_sub_process} > 0;
1408 DXDebug::dbgprintring(25);
1409 push @out, DXDebug::shortmess($@);
1415 my ($fc, $err, @res) = @_;
1416 my $dxchan = DXChannel::get($call);
1417 return unless $dxchan;
1420 my $s = "DXProt::spawn_cmd: call $call error $err";
1421 dbg($s) if isdbg('chan');
1426 # transform output if required
1427 @res = $cb->($dxchan, @res);
1430 if (defined $prefix) {
1431 $dxchan->send(map {"$prefix$_"} @res);
1433 $dxchan->send(@res);
1436 diffms("by $call", $line, $t0, scalar @res) if isdbg('progress');
1444 return ($users, $maxusers);
1447 # alias localhost if required. This is designed to repress all localhost and other
1448 # internal interfaces to a fixed (outside) IPv4 or IPV6 address
1451 my $hostname = shift;
1452 if ($hostname =~ /./) {
1453 return $hostname unless $main::localhost_alias_ipv4;
1454 return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv4 : $hostname;
1455 } elsif ($hostname =~ /:/) {
1456 return $hostname unless $main::localhost_alias_ipv6;
1457 return (grep $hostname eq $_, @main::localhost_names) ? $main::localhost_alias_ipv6 : $hostname;