perl/DXCommandmode.pm

   1 #!/usr/bin/perl
   2 #
   3 # This module impliments the user facing command mode for a dx cluster
   4 #
   5 # Copyright (c) 1998 Dirk Koopman G1TLH
   6 #
   7 #
   8 #
   9
  10 package DXCommandmode;
  11
  12 #use POSIX;
  13
  14 @ISA = qw(DXChannel);
  15
  16 use 5.10.1;
  17
  18 use POSIX qw(:math_h);
  19 use DXUtil;
  20 use DXChannel;
  21 use DXUser;
  22 use DXVars;
  23 use DXDebug;
  24 use DXM;
  25 use DXLog;
  26 use DXLogPrint;
  27 use DXBearing;
  28 use CmdAlias;
  29 use Filter;
  30 use Minimuf;
  31 use DXDb;
  32 use AnnTalk;
  33 use WCY;
  34 use Sun;
  35 use Internet;
  36 use Script;
  37 use QSL;
  38 use DB_File;
  39 use VE7CC;
  40 use DXXml;
  41 use AsyncMsg;
  42 use JSON;
  43 use Time::HiRes qw(gettimeofday tv_interval);
  44
  45 use Mojo::IOLoop;
  46 use DXSubprocess;
  47 use Mojo::UserAgent;
  48
  49 use strict;
  50 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
  51         $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers);
  52
  53 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  54 %cmd_cache = ();                                # cache of short names
  55 $errstr = ();                                   # error string from eval
  56 %aliases = ();                                  # aliases for (parts of) commands
  57 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  58 $maxbadcount = 3;                               # no of bad words allowed before disconnection
  59 $msgpolltime = 3600;                    # the time between polls for new messages
  60 $cmdimportdir = "$main::root/cmd_import"; # the base directory for importing command scripts
  61                                           # this does not exist as default, you need to create it manually
  62 $users = 0;                                       # no of users on this node currently
  63 $maxusers = 0;                            # max no users on this node for this run
  64
  65 #
  66 # obtain a new connection this is derived from dxchannel
  67 #
  68
  69 sub new
  70 {
  71         my $self = DXChannel::alloc(@_);
  72
  73         # routing, this must go out here to prevent race condx
  74         my $pkg = shift;
  75         my $call = shift;
  76 #       my @rout = $main::routeroot->add_user($call, Route::here(1));
  77         DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $self->hostname], );
  78
  79         # ALWAYS output the user
  80         my $ref = Route::User::get($call);
  81         if ($ref) {
  82                 $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref);
  83                 $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes;
  84         }
  85
  86         return $self;
  87 }
  88
  89 # this is how a a connection starts, you get a hello message and the motd with
  90 # possibly some other messages asking you to set various things up if you are
  91 # new (or nearly new and slacking) user.
  92
  93 sub start
  94 {
  95         my ($self, $line, $sort) = @_;
  96         my $user = $self->{user};
  97         my $call = $self->{call};
  98         my $name = $user->{name};
  99
 100         # log it
 101         my $host = $self->{conn}->peerhost;
 102         $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
 103         $host ||= "unknown";
 104         $self->{hostname} = $host;
 105
 106         $self->{name} = $name ? $name : $call;
 107         $self->send($self->msg('l2',$self->{name}));
 108         $self->state('prompt');         # a bit of room for further expansion, passwords etc
 109         $self->{priv} = $user->priv || 0;
 110         $self->{lang} = $user->lang || $main::lang || 'en';
 111         my $pagelth = $user->pagelth;
 112         $pagelth = $default_pagelth unless defined $pagelth;
 113         $self->{pagelth} = $pagelth;
 114         ($self->{width}) = $line =~ /width=(\d+)/; $line =~ s/\s*width=\d+\s*//;
 115         if ($line =~ /host=/) {
 116                 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
 117                 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
 118                 unless ($h) {
 119                         ($h) = $line =~ /host=([\da..fA..F:]+)/;
 120                         $line =~ s/\s*host=[\da..fA..F:]+// if $h;
 121                 }
 122                 $self->{hostname} = $h if $h;
 123         }
 124         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
 125         $self->{consort} = $line;       # save the connection type
 126
 127         LogDbg('DXCommand', "$call connected from $self->{hostname}");
 128
 129         # set some necessary flags on the user if they are connecting
 130         $self->{beep} = $user->wantbeep;
 131         $self->{ann} = $user->wantann;
 132         $self->{wwv} = $user->wantwwv;
 133         $self->{wcy} = $user->wantwcy;
 134         $self->{talk} = $user->wanttalk;
 135         $self->{wx} = $user->wantwx;
 136         $self->{dx} = $user->wantdx;
 137         $self->{logininfo} = $user->wantlogininfo;
 138         $self->{ann_talk} = $user->wantann_talk;
 139         $self->{wantrbn} = $user->wantrbn;
 140         $self->{here} = 1;
 141         $self->{prompt} = $user->prompt if $user->prompt;
 142         $self->{lastmsgpoll} = 0;
 143
 144         # sort out new dx spot stuff
 145         $user->wantdxcq(0) unless defined $user->{wantdxcq};
 146         $user->wantdxitu(0) unless defined $user->{wantdxitu};
 147         $user->wantusstate(0) unless defined $user->{wantusstate};
 148
 149         # sort out registration
 150         if ($main::reqreg == 2) {
 151                 $self->{registered} = !$user->registered;
 152         } else {
 153                 $self->{registered} = $user->registered;
 154         }
 155
 156         # establish slug queue, if required
 157         $self->{sluggedpcs} = [];
 158         $self->{isslugged} = $DXProt::pc92_slug_changes + $DXProt::last_pc92_slug + 5 if $DXProt::pc92_slug_changes;
 159         $self->{isslugged} = 0 if $self->{priv} > 0 || $user->registered || $user->homenode eq $main::mycall;
 160
 161         # send the relevant MOTD
 162         $self->send_motd;
 163
 164         # sort out privilege reduction
 165         $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
 166
 167         # get the filters
 168         my $nossid = $call;
 169         $nossid =~ s/-\d+$//;
 170
 171         $self->{spotsfilter} = Filter::read_in('spots', $call, 0)
 172                 || Filter::read_in('spots', $nossid, 0)
 173                         || Filter::read_in('spots', 'user_default', 0);
 174         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0)
 175                 || Filter::read_in('wwv', $nossid, 0)
 176                         || Filter::read_in('wwv', 'user_default', 0);
 177         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0)
 178                 || Filter::read_in('wcy', $nossid, 0)
 179                         || Filter::read_in('wcy', 'user_default', 0);
 180         $self->{annfilter} = Filter::read_in('ann', $call, 0)
 181                 || Filter::read_in('ann', $nossid, 0)
 182                         || Filter::read_in('ann', 'user_default', 0) ;
 183         $self->{rbnfilter} = Filter::read_in('rbn', $call, 0)
 184                 || Filter::read_in('rbn', $nossid, 0)
 185                 || Filter::read_in('rbn', 'user_default', 0);
 186
 187         # clean up qra locators
 188         my $qra = $user->qra;
 189         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 190         unless ($qra) {
 191                 my $lat = $user->lat;
 192                 my $long = $user->long;
 193                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 194         }
 195
 196         # decide on echo
 197         my $echo = $user->wantecho;
 198         unless ($echo) {
 199                 $self->send_now('E', "0");
 200                 $self->send($self->msg('echow'));
 201                 $self->conn->echo($echo) if $self->conn->can('echo');
 202         }
 203
 204         $self->tell_login('loginu');
 205         $self->tell_buddies('loginb');
 206
 207         # do we need to send a forward/opernam?
 208         my $lastoper = $user->lastoper || 0;
 209         my $homenode = $user->homenode || "";
 210         if ($homenode eq $main::mycall && $main::systime >= $lastoper + $DXUser::lastoperinterval) {
 211                 run_cmd($main::me, "forward/opernam $call");
 212                 $user->lastoper($main::systime + ((int rand(10)) * 86400));
 213         }
 214
 215         # run a script send the output to the punter
 216         my $script = new Script(lc $call) || new Script('user_default');
 217         $script->run($self) if $script;
 218
 219         # send cluster info
 220         $self->send($self->run_cmd("show/cluster"));
 221
 222         # send prompts for qth, name and things
 223         $self->send($self->msg('namee1')) if !$user->name;
 224         $self->send($self->msg('qthe1')) if !$user->qth;
 225         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 226         $self->send($self->msg('hnodee1')) if !$user->qth;
 227         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 228
 229         # send out any buddy messages for other people that are online
 230         foreach my $call (@{$user->buddies}) {
 231                 my $ref = Route::User::get($call);
 232                 if ($ref) {
 233                         foreach my $node ($ref->parents) {
 234                                 $self->send($self->msg($node eq $main::mycall ? 'loginb' : 'loginbn', $call, $node));
 235                         }
 236                 }
 237         }
 238
 239         $self->lastmsgpoll($main::systime);
 240         $self->prompt;
 241 }
 242
 243 #
 244 # This is the normal command prompt driver
 245 #
 246
 247 sub normal
 248 {
 249         my $self = shift;
 250         my $cmdline = shift;
 251         my @ans;
 252
 253         # save this for them's that need it
 254         my $rawline = $cmdline;
 255
 256         # remove leading and trailing spaces
 257         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 258
 259         if ($self->{state} eq 'page') {
 260                 my $i = $self->{pagelth};
 261                 my $ref = $self->{pagedata};
 262                 my $tot = @$ref;
 263
 264                 # abort if we get a line starting in with a
 265                 if ($cmdline =~ /^a/io) {
 266                         undef $ref;
 267                         $i = 0;
 268                 }
 269
 270                 # send a tranche of data
 271                 while ($i-- > 0 && @$ref) {
 272                         my $line = shift @$ref;
 273                         $line =~ s/\s+$//o;     # why am having to do this?
 274                         $self->send($line);
 275                 }
 276
 277                 # reset state if none or else chuck out an intermediate prompt
 278                 if ($ref && @$ref) {
 279                         $tot -= $self->{pagelth};
 280                         $self->send($self->msg('page', $tot));
 281                 } else {
 282                         $self->state('prompt');
 283                 }
 284         } elsif ($self->{state} eq 'sysop') {
 285                 my $passwd = $self->{user}->passwd;
 286                 if ($passwd) {
 287                         my @pw = grep {$_ !~ /\s/} split //, $passwd;
 288                         my @l = @{$self->{passwd}};
 289                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 290                         if ($cmdline =~ /$str/) {
 291                                 $self->{priv} = $self->{user}->priv;
 292                         } else {
 293                                 $self->send($self->msg('sorry'));
 294                         }
 295                 } else {
 296                         $self->send($self->msg('sorry'));
 297                 }
 298                 $self->state('prompt');
 299         } elsif ($self->{state} eq 'passwd') {
 300                 my $passwd = $self->{user}->passwd;
 301                 if ($passwd && $cmdline eq $passwd) {
 302                         $self->send($self->msg('pw1'));
 303                         $self->state('passwd1');
 304                 } else {
 305                         $self->conn->{echo} = $self->conn->{decho};
 306                         delete $self->conn->{decho};
 307                         $self->send($self->msg('sorry'));
 308                         $self->state('prompt');
 309                 }
 310         } elsif ($self->{state} eq 'passwd1') {
 311                 $self->{passwd} = $cmdline;
 312                 $self->send($self->msg('pw2'));
 313                 $self->state('passwd2');
 314         } elsif ($self->{state} eq 'passwd2') {
 315                 if ($cmdline eq $self->{passwd}) {
 316                         $self->{user}->passwd($cmdline);
 317                         $self->send($self->msg('pw3'));
 318                 } else {
 319                         $self->send($self->msg('pw4'));
 320                 }
 321                 $self->conn->{echo} = $self->conn->{decho};
 322                 delete $self->conn->{decho};
 323                 $self->state('prompt');
 324         } elsif ($self->{state} eq 'talk' || $self->{state} eq 'chat') {
 325                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 326                         for (@{$self->{talklist}}) {
 327                                 if ($self->{state} eq 'talk') {
 328                                         $self->send_talks($_,  $self->msg('talkend'));
 329                                 } else {
 330                                         $self->local_send('C', $self->msg('chatend', $_));
 331                                 }
 332                         }
 333                         $self->state('prompt');
 334                         delete $self->{talklist};
 335                 } elsif ($cmdline =~ m|^/+\w+|) {
 336                         $cmdline =~ s|^/||;
 337                         my $sendit = $cmdline =~ s|^/+||;
 338                         my @in = $self->run_cmd($cmdline);
 339                         $self->send_ans(@in);
 340                         if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
 341                                 foreach my $l (@in) {
 342                                         my @bad;
 343                                         if (@bad = BadWords::check($l)) {
 344                                                 $self->badcount(($self->badcount||0) + @bad);
 345                                                 LogDbg('DXCommand', "$self->{call} swore: $l with words:" . join(',', @bad) . ")");
 346                                         } else {
 347                                                 for (@{$self->{talklist}}) {
 348                                                         if ($self->{state} eq 'talk') {
 349                                                                 $self->send_talks($_, $l);
 350                                                         } else {
 351                                                                 send_chats($self, $_, $l)
 352                                                         }
 353                                                 }
 354                                         }
 355                                 }
 356                         }
 357                         $self->send($self->{state} eq 'talk' ? $self->talk_prompt : $self->chat_prompt);
 358                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 359                         # send what has been said to whoever is in this person's talk list
 360                         my @bad;
 361                         if (@bad = BadWords::check($cmdline)) {
 362                                 $self->badcount(($self->badcount||0) + @bad);
 363                                 LogDbg('DXCommand', "$self->{call} swore: $cmdline with words:" . join(',', @bad) . ")");
 364                         } else {
 365                                 for (@{$self->{talklist}}) {
 366                                         if ($self->{state} eq 'talk') {
 367                                                 $self->send_talks($_, $rawline);
 368                                         } else {
 369                                                 send_chats($self, $_, $rawline);
 370                                         }
 371                                 }
 372                         }
 373                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 374                         $self->send($self->chat_prompt) if $self->{state} eq 'chat';
 375                 } else {
 376                         # for safety
 377                         $self->state('prompt');
 378                 }
 379         } elsif (my $func = $self->{func}) {
 380                 no strict 'refs';
 381                 my @ans;
 382                 if (ref $self->{edit}) {
 383                         eval { @ans = $self->{edit}->$func($self, $rawline)};
 384                 } else {
 385                         eval {  @ans = &{$self->{func}}($self, $rawline) };
 386                 }
 387                 if ($@) {
 388                         $self->send_ans("Syserr: on stored func $self->{func}", $@);
 389                         delete $self->{func};
 390                         $self->state('prompt');
 391                         undef $@;
 392                 }
 393                 $self->send_ans(@ans);
 394         } else {
 395                 $self->send_ans(run_cmd($self, $cmdline));
 396         }
 397
 398         # check for excessive swearing
 399         if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
 400                 LogDbg('DXCommand', "$self->{call} logged out for excessive swearing");
 401                 $self->disconnect;
 402                 return;
 403         }
 404
 405         # send a prompt only if we are in a prompt state
 406         $self->prompt() if $self->{state} =~ /^prompt/o;
 407 }
 408
 409 # send out the talk messages taking into account vias and connectivity
 410 sub send_talks
 411 {
 412         my ($self, $ent, $line) = @_;
 413
 414         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 415         $to = $ent unless $to;
 416         my $call = $via && $via ne '*' ? $via : $to;
 417         my $clref = Route::get($call);
 418         my $dxchan = $clref->dxchan if $clref;
 419         if ($dxchan) {
 420                 $dxchan->talk($self->{call}, $to, undef, $line);
 421         } else {
 422                 $self->send($self->msg('disc2', $via ? $via : $to));
 423                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 424                 if (@l) {
 425                         $self->{talklist} = \@l;
 426                 } else {
 427                         delete $self->{talklist};
 428                         $self->state('prompt');
 429                 }
 430         }
 431 }
 432
 433 sub send_chats
 434 {
 435         my $self = shift;
 436         my $target = shift;
 437         my $text = shift;
 438
 439         my $msgid = DXProt::nextchatmsgid();
 440         $text = "#$msgid $text";
 441         $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text));
 442 }
 443
 444 sub special_prompt
 445 {
 446         my $self = shift;
 447         my $prompt = shift;
 448         my @call;
 449         for (@{$self->{talklist}}) {
 450                 my ($to, $via) = /(\S+)>(\S+)/;
 451                 $to = $_ unless $to;
 452                 push @call, $to;
 453         }
 454         return $self->msg($prompt, join(',', @call));
 455 }
 456
 457 sub talk_prompt
 458 {
 459         my $self = shift;
 460         return $self->special_prompt('talkprompt');
 461 }
 462
 463 sub chat_prompt
 464 {
 465         my $self = shift;
 466         return $self->special_prompt('chatprompt');
 467 }
 468
 469 #
 470 # send a load of stuff to a command user with page prompting
 471 # and stuff
 472 #
 473
 474 sub send_ans
 475 {
 476         my $self = shift;
 477
 478         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 479                 my $i;
 480                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 481                         my $line = shift @_;
 482                         $line =~ s/\s+$//o;     # why am having to do this?
 483                         $self->send($line);
 484                 }
 485                 $self->{pagedata} =  [ @_ ];
 486                 $self->state('page');
 487                 $self->send($self->msg('page', scalar @_));
 488         } else {
 489                 for (@_) {
 490                         if (defined $_) {
 491                                 $self->send($_);
 492                         } else {
 493                                 $self->send('');
 494                         }
 495                 }
 496         }
 497 }
 498
 499 #
 500 # this is the thing that preps for running the command, it is done like this for the
 501 # benefit of remote command execution
 502 #
 503
 504 sub run_cmd
 505 {
 506         my $self = shift;
 507         my $user = $self->{user};
 508         my $call = $self->{call};
 509         my $cmdline = shift;
 510         my @ans;
 511
 512         return () if length $cmdline == 0;
 513
 514         # split the command line up into parts, the first part is the command
 515         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 516         $args = "" unless defined $args;
 517
 518         if ($cmd) {
 519
 520                 # check cmd
 521                 if ($cmd =~ m|^/| || $cmd =~ m|[^-?\w/]|) {
 522                         LogDbg('DXCommand', "cmd: $self->{call} - invalid characters in '$cmd'");
 523                         return $self->_error_out('e1');
 524                 }
 525
 526                 # strip out // on command only
 527                 $cmd =~ s|//|/|g;
 528
 529                 my ($path, $fcmd);
 530
 531                 dbg("cmd: $cmd") if isdbg('command');
 532
 533                 # alias it if possible
 534                 my $acmd = CmdAlias::get_cmd($cmd);
 535                 if ($acmd) {
 536                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 537                         $args = "" unless defined $args;
 538                         dbg("cmd: aliased $cmd $args") if isdbg('command');
 539                 }
 540
 541                 # first expand out the entry to a command
 542                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 543                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") unless $path && $fcmd;
 544
 545                 if ($path && $cmd) {
 546                         dbg("cmd: path $cmd cmd: $fcmd") if isdbg('command');
 547
 548                         my $package = find_cmd_name($path, $fcmd);
 549                         return ($@) if $@;
 550
 551                         if ($package && $self->can("${package}::handle")) {
 552                                 no strict 'refs';
 553                                 dbg("cmd: package $package") if isdbg('command');
 554                                 my $t0 = [gettimeofday];
 555                                 eval { @ans = &{"${package}::handle"}($self, $args) };
 556                                 if ($@) {
 557                                         DXDebug::dbgprintring(25);
 558                                         return (DXDebug::shortmess($@));
 559                                 }
 560                                 if (isdbg('progress')) {
 561                                         my $msecs = _diffms($t0);
 562                                         my $s = "CMD: '$cmd $args' by $call ip: $self->{hostname} ${msecs}mS";
 563                                         dbg($s) if $cmd !~ /^(?:echo|blank)/ || isdbg('echo');     # cut down a bit on HRD and other clients' noise
 564                                 }
 565                         } else {
 566                                 dbg("cmd: $package not present") if isdbg('command');
 567                                 return $self->_error_out('e1');
 568                         }
 569                 } else {
 570                         dbg("cmd: $cmd not found") if isdbg('command');
 571                         return $self->_error_out('e1');
 572                 }
 573         }
 574
 575         my $ok = shift @ans;
 576         if ($ok) {
 577                 delete $self->{errors};
 578         } else {
 579                 if (++$self->{errors} > $DXChannel::maxerrors) {
 580                         $self->send($self->msg('e26'));
 581                         $self->disconnect;
 582                         return ();
 583                 }
 584         }
 585         return map {s/([^\s])\s+$/$1/; $_} @ans;
 586 }
 587
 588 #
 589 # This is called from inside the main cluster processing loop and is used
 590 # for despatching commands that are doing some long processing job
 591 #
 592 sub process
 593 {
 594         my $t = time;
 595         my @dxchan = DXChannel::get_all();
 596         my $dxchan;
 597
 598         $users = 0;
 599         foreach $dxchan (@dxchan) {
 600                 next unless $dxchan->is_user;
 601
 602                 # send a outstanding message prompt if required
 603                 if ($t >= $dxchan->lastmsgpoll + $msgpolltime) {
 604                         $dxchan->send($dxchan->msg('m9')) if DXMsg::for_me($dxchan->call);
 605                         $dxchan->lastmsgpoll($t);
 606                 }
 607
 608                 # send a prompt if no activity out on this channel
 609                 if ($t >= $dxchan->t + $main::user_interval) {
 610                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 611                         $dxchan->t($t);
 612                 }
 613                 ++$users;
 614                 $maxusers = $users if $users > $maxusers;
 615
 616                 if ($dxchan->{isslugged} && $main::systime > $dxchan->{isslugged}) {
 617                         foreach my $ref (@{$dxchan->{sluggedpcs}}) {
 618                                 if ($ref->[0] == 61) {
 619                                         Spot::add(@{$ref->[2]});
 620                                         DXProt::send_dx_spot($dxchan, $ref->[1], @{$ref->[2]});
 621                                 }
 622                         }
 623
 624                         $dxchan->{isslugged} = 0;
 625                         $dxchan->{sluggedpcs} = [];
 626                 }
 627         }
 628
 629         import_cmd();
 630 }
 631
 632 #
 633 # finish up a user context
 634 #
 635 sub disconnect
 636 {
 637         my $self = shift;
 638         my $call = $self->call;
 639
 640         return if $self->{disconnecting}++;
 641
 642         delete $self->{senddbg};
 643
 644         my $uref = Route::User::get($call);
 645         my @rout;
 646         if ($uref) {
 647 #               @rout = $main::routeroot->del_user($uref);
 648                 @rout = DXProt::_del_thingy($main::routeroot, [$call, 0]);
 649
 650                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 651
 652                 # issue a pc17 to everybody interested
 653                 $main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref);
 654                 $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes;
 655         } else {
 656                 confess "trying to disconnect a non existant user $call";
 657         }
 658
 659         # I was the last node visited
 660     $self->user->node($main::mycall);
 661
 662         # send info to all logged in thingies
 663         $self->tell_login('logoutu');
 664         $self->tell_buddies('logoutb');
 665
 666         LogDbg('DXCommand', "$call disconnected");
 667
 668         $self->SUPER::disconnect;
 669 }
 670
 671 #
 672 # short cut to output a prompt
 673 #
 674
 675 sub prompt
 676 {
 677         my $self = shift;
 678
 679         return if $self->{gtk};         # 'cos prompts are not a concept that applies here
 680
 681         my $call = $self->call;
 682         my $date = cldate($main::systime);
 683         my $time = ztime($main::systime);
 684         my $prompt = $self->{prompt} || $self->msg('pr');
 685
 686         $call = "($call)" unless $self->here;
 687         $prompt =~ s/\%C/$call/g;
 688         $prompt =~ s/\%D/$date/g;
 689         $prompt =~ s/\%T/$time/g;
 690         $prompt =~ s/\%M/$main::mycall/g;
 691
 692         $self->send($prompt);
 693 }
 694
 695 # broadcast a message to all users [except those mentioned after buffer]
 696 sub broadcast
 697 {
 698         my $pkg = shift;                        # ignored
 699         my $s = shift;                          # the line to be rebroadcast
 700
 701     foreach my $dxchan (DXChannel::get_all()) {
 702                 next unless $dxchan->is_user; # only interested in user channels
 703                 next if grep $dxchan == $_, @_;
 704                 $dxchan->send($s);                      # send it
 705         }
 706 }
 707
 708 # gimme all the users
 709 sub get_all
 710 {
 711         goto &DXChannel::get_all_users;
 712 }
 713
 714 # run a script for this user
 715 sub run_script
 716 {
 717         my $self = shift;
 718         my $silent = shift || 0;
 719
 720 }
 721
 722 #
 723 # search for the command in the cache of short->long form commands
 724 #
 725
 726 sub search
 727 {
 728         my ($path, $short_cmd, $suffix) = @_;
 729         my ($apath, $acmd);
 730
 731         # commands are lower case
 732         $short_cmd = lc $short_cmd;
 733         dbg("command: $path $short_cmd\n") if isdbg('command');
 734
 735         # do some checking for funny characters
 736         return () if $short_cmd =~ /\/$/;
 737
 738         # return immediately if we have it
 739         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 740         if ($apath && $acmd) {
 741                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 742                 return ($apath, $acmd);
 743         }
 744
 745         # if not guess
 746         my @parts = split '/', $short_cmd;
 747         my $dirfn;
 748         my $curdir = $path;
 749
 750         while (my $p = shift @parts) {
 751                 opendir(D, $curdir) or confess "can't open $curdir $!";
 752                 my @ls = readdir D;
 753                 closedir D;
 754
 755                 # if this isn't the last part
 756                 if (@parts) {
 757                         my $found;
 758                         foreach my $l (sort @ls) {
 759                                 next if $l =~ /^\./;
 760                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 761                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 762                                         $dirfn .= "$l/";
 763                                         $curdir .= "/$l";
 764                                         $found++;
 765                                         last;
 766                                 }
 767                         }
 768                         # only proceed if we find the directory asked for
 769                         return () unless $found;
 770                 } else {
 771                         foreach my $l (sort @ls) {
 772                                 next if $l =~ /^\./;
 773                                 next unless $l =~ /\.$suffix$/;
 774                                 if ($p eq substr($l, 0, length $p)) {
 775                                         $l =~ s/\.$suffix$//;
 776                                         $dirfn = "" unless $dirfn;
 777                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 778                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 779                                         return ($path, "$dirfn$l");
 780                                 }
 781                         }
 782                 }
 783         }
 784
 785         return ();
 786 }
 787
 788 # clear the command name cache
 789 sub clear_cmd_cache
 790 {
 791         no strict 'refs';
 792
 793         for my $k (keys %Cache) {
 794                 unless ($k =~ /cmd_cache/) {
 795                         dbg("Undefining cmd $k") if isdbg('command');
 796                         undef $DXCommandmode::{"${k}::"};
 797                 }
 798         }
 799         %cmd_cache = ();
 800         %Cache = ( cmd_clear_cmd_cache  => $Cache{cmd_clear_cmd_cache} );
 801 }
 802
 803 #
 804 # the persistant execution of things from the command directories
 805 #
 806 #
 807 # This allows perl programs to call functions dynamically
 808 #
 809 # This has been nicked directly from the perlembed pages
 810 #
 811 #require Devel::Symdump;
 812
 813 sub valid_package_name {
 814         my $string = shift;
 815         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 816
 817         $string =~ s|/|_|g;
 818         return "cmd_$string";
 819 }
 820
 821 #
 822 # this bit of magic finds a command in the offered directory
 823 sub find_cmd_name {
 824         my $path = shift;
 825         my $cmdname = shift;
 826         my $package = valid_package_name($cmdname);
 827         my $filename = "$path/$cmdname.pl";
 828         my $mtime = -M $filename;
 829
 830         # return if we can't find it
 831         $errstr = undef;
 832         unless (defined $mtime) {
 833                 $errstr = DXM::msg('e1');
 834                 return undef;
 835         }
 836
 837         if(exists $Cache{$package} && exists $Cache{$package}->{mtime} && $Cache{$package}->{mtime} <= $mtime) {
 838                 #we have compiled this subroutine already,
 839                 #it has not been updated on disk, nothing left to do
 840                 #print STDERR "already compiled $package->handler\n";
 841                 dbg("find_cmd_name: $package cached") if isdbg('command');
 842         } else {
 843
 844                 my $sub = readfilestr($filename);
 845                 unless ($sub) {
 846                         $errstr = "Syserr: can't open '$filename' $!";
 847                         return undef;
 848                 };
 849
 850                 #wrap the code into a subroutine inside our unique package
 851                 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}; );
 852
 853
 854                 if ($sub =~ m|\s*sub\s+handle\n|) {
 855                         $eval .= $sub;
 856                 } else {
 857                         $eval .= qq(sub handle { $sub });
 858                 }
 859
 860                 if (isdbg('eval')) {
 861                         my @list = split /\n/, $eval;
 862                         my $line;
 863                         for (@list) {
 864                                 dbg($_ . "\n") if isdbg('eval');
 865                         }
 866                 }
 867
 868                 # get rid of any existing sub and try to compile the new one
 869                 no strict 'refs';
 870
 871                 if (exists $Cache{$package}) {
 872                         dbg("find_cmd_name: Redefining $package") if isdbg('command');
 873                         undef $DXCommandmode::{"${package}::"};
 874                         delete $Cache{$package};
 875                 } else {
 876                         dbg("find_cmd_name: Defining $package") if isdbg('command');
 877                 }
 878
 879                 eval $eval;
 880
 881                 $Cache{$package} = {mtime => $mtime } unless $@;
 882         }
 883
 884         return "DXCommandmode::$package";
 885 }
 886
 887 sub send
 888 {
 889         my $self = shift;
 890         if ($self->{gtk}) {
 891                 for (@_) {
 892                         $self->SUPER::send(dd(['cmd',$_]));
 893                 }
 894         } else {
 895                 $self->SUPER::send(@_);
 896         }
 897 }
 898
 899 sub local_send
 900 {
 901         my ($self, $let, $buf) = @_;
 902         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk' || $self->{state} eq 'chat') {
 903                 if ($self->{enhanced}) {
 904                         $self->send_later($let, $buf);
 905                 } else {
 906                         $self->send($buf);
 907                 }
 908         } else {
 909                 $self->delay($buf);
 910         }
 911 }
 912
 913 # send a talk message here
 914 sub talk
 915 {
 916         my ($self, $from, $to, $via, $line, $onode) = @_;
 917         $line =~ s/\\5E/\^/g;
 918         if ($self->{talk}) {
 919                 if ($self->{gtk}) {
 920                         $self->local_send('T', dd(['talk',$to,$from,$via,$line]));
 921                 } else {
 922                         $self->local_send('T', "$to de $from: $line");
 923                 }
 924         }
 925         Log('talk', $to, $from, '<' . ($onode || '*'), $line);
 926         # send a 'not here' message if required
 927         unless ($self->{here} && $from ne $to) {
 928                 my $key = "$to$from";
 929                 unless (exists $nothereslug{$key}) {
 930                         my ($ref, $dxchan);
 931                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 932                                 my $name = $self->user->name || $to;
 933                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 934                                 $nothereslug{$key} = $main::systime;
 935                                 $dxchan->talk($to, $from, undef, $s);
 936                         }
 937                 }
 938         }
 939 }
 940
 941 # send an announce
 942 sub announce
 943 {
 944         my $self = shift;
 945         my $line = shift;
 946         my $isolate = shift;
 947         my $to = shift;
 948         my $target = shift;
 949         my $text = shift;
 950         my ($filter, $hops);
 951
 952         if (!$self->{ann_talk} && $to ne $self->{call}) {
 953                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 954                 return if $call;
 955         }
 956
 957         if ($self->{annfilter}) {
 958                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 959                 return unless $filter;
 960         }
 961
 962         unless ($self->{ann}) {
 963                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 964         }
 965         return if $target eq 'SYSOP' && $self->{priv} < 5;
 966         my $buf;
 967         if ($self->{gtk}) {
 968                 $buf = dd(['ann', $to, $target, $text, @_])
 969         } else {
 970                 $buf = "$to$target de $_[0]: $text";
 971                 #$buf =~ s/\%5E/^/g;
 972                 $buf .= "\a\a" if $self->{beep};
 973         }
 974         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 975 }
 976
 977 # send a chat
 978 sub chat
 979 {
 980         my $self = shift;
 981         my $line = shift;
 982         my $isolate = shift;
 983         my $target = shift;
 984         my $to = shift;
 985         my $text = shift;
 986         my ($filter, $hops);
 987
 988         return unless grep uc $_ eq $target, @{$self->{user}->{group}};
 989
 990         $text =~ s/^\#\d+ //;
 991         my $buf;
 992         if ($self->{gtk}) {
 993                 $buf = dd(['chat', $to, $target, $text, @_])
 994         } else {
 995                 $buf = "$target de $_[0]: $text";
 996                 #$buf =~ s/\%5E/^/g;
 997                 $buf .= "\a\a" if $self->{beep};
 998         }
 999         $self->local_send('C', $buf);
1000 }
1001
1002 sub format_dx_spot
1003 {
1004         my $self = shift;
1005
1006         my $t = ztime($_[2]);
1007         my $loc = '';
1008         my $clth = 30 + $self->{width} - 80;    # allow comment to grow according the screen width
1009         #       --$clth if $self->{consort} eq 'local';
1010
1011         my $comment = substr (($_[3] || ''), 0, $clth);
1012         $comment =~ s/\t/ /g;
1013
1014         $comment .= ' ' x ($clth - (length($comment)));
1015
1016     if ($self->{user}->wantgrid) {
1017                 my $ref = DXUser::get_current($_[1]);
1018                 if ($ref && $ref->qra) {
1019                         my $cloc = ' ' . substr($ref->qra, 0, 4);
1020                         $comment = substr $comment, 0,  ($clth - (length($comment)+length($cloc)));
1021                         $comment .= $cloc;
1022                 }
1023                 my $origin = $_[4];
1024                 $origin =~ s/-#$//;                     # sigh......
1025                 $ref = DXUser::get_current($origin);
1026                 if ($ref && $ref->qra) {
1027                         $loc = ' ' . substr($ref->qra, 0, 4);
1028                 }
1029         } elsif ($self->{user}->wantdxitu) {
1030                 $loc = ' ' . sprintf("%2d", $_[10]) if defined $_[10];
1031                 $comment = substr($comment, 0,  $clth-3) . ' ' . sprintf("%2d", $_[8]) if defined $_[8];
1032         } elsif ($self->{user}->wantdxcq) {
1033                 $loc = ' ' . sprintf("%2d", $_[11]) if defined $_[11];
1034                 $comment = substr($comment, 0, $clth-3) . ' ' . sprintf("%2d", $_[9]) if defined $_[9];
1035         } elsif ($self->{user}->wantusstate) {
1036                 $loc = ' ' . $_[13] if $_[13];
1037                 $comment = substr($comment, 0,  $clth-3) . ' ' . $_[12] if $_[12];
1038         }
1039
1040         return sprintf "DX de %-8.8s%10.1f  %-12.12s %-s $t$loc", "$_[4]:", $_[0], $_[1], $comment;
1041 }
1042
1043
1044 # send a dx spot
1045 sub dx_spot
1046 {
1047         my $self = shift;
1048         my $line = shift;
1049         my $isolate = shift;
1050         return unless $self->{dx};
1051
1052         my ($filter, $hops);
1053
1054         if ($self->{spotsfilter}) {
1055                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
1056                 return unless $filter;
1057         }
1058
1059         dbg('spot: "' . join('","', @_) . '"') if isdbg('dxspot');
1060
1061         my $buf;
1062         if ($self->{ve7cc}) {
1063                 $buf = VE7CC::dx_spot($self, @_);
1064         } elsif ($self->{gtk}) {
1065                 my ($dxloc, $byloc);
1066
1067                 my $ref = DXUser::get_current($_[4]);
1068                 if ($ref) {
1069                         $byloc = $ref->qra;
1070                         $byloc = substr($byloc, 0, 4) if $byloc;
1071                 }
1072
1073                 my $spot = $_[1];
1074                 $spot =~ s|/\w{1,4}$||;
1075                 $ref = DXUser::get_current($spot);
1076                 if ($ref) {
1077                         $dxloc = $ref->qra;
1078                         $dxloc = substr($dxloc, 0, 4) if $dxloc;
1079                 }
1080                 $buf = dd(['dx', @_, ($dxloc||''), ($byloc||'')]);
1081
1082         } else {
1083                 $buf = $self->format_dx_spot(@_);
1084                 $buf .= "\a\a" if $self->{beep};
1085                 #$buf =~ s/\%5E/^/g;
1086         }
1087
1088         $self->local_send('X', $buf);
1089 }
1090
1091 sub wwv
1092 {
1093         my $self = shift;
1094         my $line = shift;
1095         my $isolate = shift;
1096         my ($filter, $hops);
1097
1098         return unless $self->{wwv};
1099
1100         if ($self->{wwvfilter}) {
1101                 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_] );
1102                 return unless $filter;
1103         }
1104
1105         my $buf;
1106         if ($self->{gtk}) {
1107                 $buf = dd(['wwv', @_])
1108         } else {
1109                 $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1110                 $buf .= "\a\a" if $self->{beep};
1111         }
1112
1113         $self->local_send('V', $buf);
1114 }
1115
1116 sub wcy
1117 {
1118         my $self = shift;
1119         my $line = shift;
1120         my $isolate = shift;
1121         my ($filter, $hops);
1122
1123         return unless $self->{wcy};
1124
1125         if ($self->{wcyfilter}) {
1126                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
1127                 return unless $filter;
1128         }
1129
1130         my $buf;
1131         if ($self->{gtk}) {
1132                 $buf = dd(['wcy', @_])
1133         } else {
1134                 $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1135                 $buf .= "\a\a" if $self->{beep};
1136         }
1137         $self->local_send('Y', $buf);
1138 }
1139
1140 # broadcast debug stuff to all interested parties
1141 sub broadcast_debug
1142 {
1143         my $s = shift;                          # the line to be rebroadcast
1144
1145         foreach my $dxchan (DXChannel::get_all_users) {
1146                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
1147                 if ($dxchan->{gtk}) {
1148                         $dxchan->send_later('L', dd(['db', $s]));
1149                 } else {
1150                         $dxchan->send_later('L', $s);
1151                 }
1152         }
1153 }
1154
1155 sub do_entry_stuff
1156 {
1157         my $self = shift;
1158         my $line = shift;
1159         my @out;
1160
1161         if ($self->state eq 'enterbody') {
1162                 my $loc = $self->{loc} || confess "local var gone missing" ;
1163                 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
1164                         no strict 'refs';
1165                         push @out, &{$loc->{endaction}}($self);          # like this for < 5.8.0
1166                         $self->func(undef);
1167                         $self->state('prompt');
1168                 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
1169                         push @out, $self->msg('m10');
1170                         delete $loc->{lines};
1171                         delete $self->{loc};
1172                         $self->func(undef);
1173                         $self->state('prompt');
1174                 } else {
1175                         push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
1176                         # i.e. it ain't and end or abort, therefore store the line
1177                 }
1178         } else {
1179                 confess "Invalid state $self->{state}";
1180         }
1181         return @out;
1182 }
1183
1184 sub store_startup_script
1185 {
1186         my $self = shift;
1187         my $loc = $self->{loc} || confess "local var gone missing" ;
1188         my @out;
1189         my $call = $loc->{call} || confess "callsign gone missing";
1190         confess "lines array gone missing" unless ref $loc->{lines};
1191         my $r = Script::store($call, $loc->{lines});
1192         if (defined $r) {
1193                 if ($r) {
1194                         push @out, $self->msg('m19', $call, $r);
1195                 } else {
1196                         push @out, $self->msg('m20', $call);
1197                 }
1198         } else {
1199                 push @out, "error opening startup script $call $!";
1200         }
1201         return @out;
1202 }
1203
1204 # Import any commands contained in any files in import_cmd directory
1205 #
1206 # If the filename has a recogisable callsign as some delimited part
1207 # of it, then this is the user the command will be run as.
1208 #
1209 sub import_cmd
1210 {
1211         # are there any to do in this directory?
1212         return unless -d $cmdimportdir;
1213         unless (opendir(DIR, $cmdimportdir)) {
1214                 LogDbg('err', "can\'t open $cmdimportdir $!");
1215                 return;
1216         }
1217
1218         my @names = readdir(DIR);
1219         closedir(DIR);
1220         my $name;
1221
1222         return unless @names;
1223
1224         foreach $name (@names) {
1225                 next if $name =~ /^\./;
1226
1227                 my $s = Script->new($name, $cmdimportdir);
1228                 if ($s) {
1229                         LogDbg('DXCommand', "Run import cmd file $name");
1230                         my @cat = split /[^A-Za-z0-9]+/, $name;
1231                         my ($call) = grep {is_callsign(uc $_)} @cat;
1232                         $call ||= $main::mycall;
1233                         $call = uc $call;
1234                         my @out;
1235
1236
1237                         $s->inscript(0);        # switch off script checks
1238
1239                         if ($call eq $main::mycall) {
1240                                 @out = $s->run($main::me, 1);
1241                         } else {
1242                                 my $dxchan = DXChannel::get($call);
1243                             if ($dxchan) {
1244                                         @out = $s->run($dxchan, 1);
1245                                 } else {
1246                                         my $u = DXUser::get($call);
1247                                         if ($u) {
1248                                                 $dxchan = $main::me;
1249                                                 my $old = $dxchan->{call};
1250                                                 my $priv = $dxchan->{priv};
1251                                                 my $user = $dxchan->{user};
1252                                                 $dxchan->{call} = $call;
1253                                                 $dxchan->{priv} = $u->priv;
1254                                                 $dxchan->{user} = $u;
1255                                                 @out = $s->run($dxchan, 1);
1256                                                 $dxchan->{call} = $old;
1257                                                 $dxchan->{priv} = $priv;
1258                                                 $dxchan->{user} = $user;
1259                                         } else {
1260                                                 LogDbg('err', "Trying to run import cmd for non-existant user $call");
1261                                         }
1262                                 }
1263                         }
1264                         $s->erase;
1265                         for (@out) {
1266                                 LogDbg('DXCommand', "Import cmd $name/$call: $_");
1267                         }
1268                 } else {
1269                         LogDbg('err', "Failed to open $cmdimportdir/$name $!");
1270                         unlink "$cmdimportdir/$name";
1271                 }
1272         }
1273 }
1274
1275 sub print_find_reply
1276 {
1277         my ($self, $node, $target, $flag, $ms) = @_;
1278         my $sort = $flag == 2 ? "External" : "Local";
1279         $self->send("$sort $target found at $node in $ms ms" );
1280 }
1281
1282 # send the most relevant motd
1283 sub send_motd
1284 {
1285         my $self = shift;
1286         my $motd;
1287
1288         unless ($self->isregistered) {
1289                 $motd = "${main::motd}_nor_$self->{lang}";
1290                 $motd = "${main::motd}_nor" unless -e $motd;
1291         }
1292         $motd = "${main::motd}_$self->{lang}" unless $motd && -e $motd;
1293         $motd = $main::motd unless $motd && -e $motd;
1294         if ($self->conn->ax25) {
1295                 if ($motd) {
1296                         $motd = "${motd}_ax25" if -e "${motd}_ax25";
1297                 } else {
1298                         $motd = "${main::motd}_ax25" if -e "${main::motd}_ax25";
1299                 }
1300         }
1301         $self->send_file($motd) if -e $motd;
1302 }
1303
1304
1305 # Punt off a long running command into a separate process
1306 #
1307 # This is called from commands to run some potentially long running
1308 # function. The process forks and then runs the function and returns
1309 # the result back to the cmd.
1310 #
1311 # NOTE: this merely forks the current process and then runs the cmd in that (current) context.
1312 #       IT DOES NOT START UP SOME NEW PROGRAM AND RELIES ON THE FACT THAT IT IS RUNNING DXSPIDER
1313 #       THE CURRENT CONTEXT!!
1314 #
1315 # call: $self->spawn_cmd($original_cmd_line, \<function>, [cb => sub{...}], [prefix => "cmd> "], [progress => 0|1], [args => [...]]);
1316 sub spawn_cmd
1317 {
1318         my $self = shift;
1319         my $line = shift;
1320         my $cmdref = shift;
1321         my $call = $self->{call};
1322         my %args = @_;
1323         my @out;
1324
1325         my $cb = delete $args{cb};
1326         my $prefix = delete $args{prefix};
1327         my $progress = delete $args{progress};
1328         my $args = delete $args{args} || [];
1329         my $t0 = [gettimeofday];
1330
1331         no strict 'refs';
1332
1333         # just behave normally if something has set the "one-shot" _nospawn in the channel
1334         if ($self->{_nospawn}) {
1335                 eval { @out = $cmdref->(@$args); };
1336                 if ($@) {
1337                         DXDebug::dbgprintring(25);
1338                         push @out, DXDebug::shortmess($@);
1339                 }
1340                 return @out;
1341         }
1342
1343         my $fc = DXSubprocess->new;
1344 #       $fc->serializer(\&encode_json);
1345 #       $fc->deserializer(\&decode_json);
1346         $fc->run(
1347                          sub {
1348                                  my $subpro = shift;
1349                                  if (isdbg('progress')) {
1350                                          my $s = qq{$call line: "$line"};
1351                                          $s .= ", args: " . join(', ', map { defined $_ ? qq{'$_'} : q{'undef'} } @$args) if $args && @$args;
1352                                          dbg($s);
1353                                  }
1354                                  eval {
1355                                          ++$self->{_in_sub_process};
1356                                          dbg "\$self->{_in_sub_process} = $self->{_in_sub_process}";
1357                                          @out = $cmdref->(@$args);
1358                                          --$self->{_in_sub_process} if $self->{_in_sub_process} > 0;
1359                                  };
1360                                  if ($@) {
1361                                          DXDebug::dbgprintring(25);
1362                                          push @out, DXDebug::shortmess($@);
1363                                  }
1364                                  return @out;
1365                          },
1366 #                        $args,
1367                          sub {
1368                                  my ($fc, $err, @res) = @_;
1369                                  my $dxchan = DXChannel::get($call);
1370                                  return unless $dxchan;
1371
1372                                  if ($err) {
1373                                          my $s = "DXProt::spawn_cmd: call $call error $err";
1374                                          dbg($s) if isdbg('chan');
1375                                          $dxchan->send($s);
1376                                          return;
1377                                  }
1378                                  if ($cb) {
1379                                          # transform output if required
1380                                          @res = $cb->($dxchan, @res);
1381                                  }
1382                                  if (@res) {
1383                                          if (defined $prefix) {
1384                                                  $dxchan->send(map {"$prefix$_"} @res);
1385                                          } else {
1386                                                  $dxchan->send(@res);
1387                                          }
1388                                  }
1389                                  diffms("by $call", $line, $t0, scalar @res) if isdbg('progress');
1390                          });
1391
1392         return @out;
1393 }
1394
1395 sub user_count
1396 {
1397         return ($users, $maxusers);
1398 }
1399
1400 sub isregistered
1401 {
1402         my $self = shift;
1403
1404         # the sysop is registered!
1405         return 1 if $self->call eq $main::myalias || $self->call eq $main::mycall;
1406
1407         if ($main::reqreg) {
1408                 return $self->{registered};
1409         } else {
1410                 return 1;
1411         }
1412 }
1413
1414 1;
1415 __END__