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 # $Id$
   8 #
   9
  10 package DXCommandmode;
  11
  12 use POSIX;
  13
  14 @ISA = qw(DXChannel);
  15
  16 use DXUtil;
  17 use DXChannel;
  18 use DXUser;
  19 use DXVars;
  20 use DXDebug;
  21 use DXM;
  22 use DXLog;
  23 use DXLogPrint;
  24 use DXBearing;
  25 use CmdAlias;
  26 use Filter;
  27 use Minimuf;
  28 use DXDb;
  29 use AnnTalk;
  30 use WCY;
  31 use Sun;
  32 use Internet;
  33 use Script;
  34
  35
  36 use strict;
  37 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase $maxerrors %nothereslug $maxbadcount);
  38
  39 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  40 %cmd_cache = ();                                # cache of short names
  41 $errstr = ();                                   # error string from eval
  42 %aliases = ();                                  # aliases for (parts of) commands
  43 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  44 $maxerrors = 20;                                # the maximum number of concurrent errors allowed before disconnection
  45 $maxbadcount = 3;                               # no of bad words allowed before disconnection
  46
  47
  48 use vars qw($VERSION $BRANCH);
  49 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
  50 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
  51 $main::build += $VERSION;
  52 $main::branch += $BRANCH;
  53
  54 #
  55 # obtain a new connection this is derived from dxchannel
  56 #
  57
  58 sub new
  59 {
  60         my $self = DXChannel::alloc(@_);
  61
  62         # routing, this must go out here to prevent race condx
  63         my $pkg = shift;
  64         my $call = shift;
  65         my @rout = $main::routeroot->add_user($call, Route::here(1));
  66         DXProt::route_pc16($main::me, $main::routeroot, @rout) if @rout;
  67
  68         return $self;
  69 }
  70
  71 # this is how a a connection starts, you get a hello message and the motd with
  72 # possibly some other messages asking you to set various things up if you are
  73 # new (or nearly new and slacking) user.
  74
  75 sub start
  76 {
  77         my ($self, $line, $sort) = @_;
  78         my $user = $self->{user};
  79         my $call = $self->{call};
  80         my $name = $user->{name};
  81
  82         # log it
  83         my $host = $self->{conn}->{peerhost} || "unknown";
  84         Log('DXCommand', "$call connected from $host");
  85
  86         $self->{name} = $name ? $name : $call;
  87         $self->send($self->msg('l2',$self->{name}));
  88         $self->state('prompt');         # a bit of room for further expansion, passwords etc
  89         $self->{priv} = $user->priv || 0;
  90         $self->{lang} = $user->lang || $main::lang || 'en';
  91         $self->{pagelth} = $user->pagelth || 20;
  92         ($self->{width}) = $line =~ /width=(\d+)/;
  93         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
  94         $self->{consort} = $line;       # save the connection type
  95
  96         # set some necessary flags on the user if they are connecting
  97         $self->{beep} = $user->wantbeep;
  98         $self->{ann} = $user->wantann;
  99         $self->{wwv} = $user->wantwwv;
 100         $self->{wcy} = $user->wantwcy;
 101         $self->{talk} = $user->wanttalk;
 102         $self->{wx} = $user->wantwx;
 103         $self->{dx} = $user->wantdx;
 104         $self->{logininfo} = $user->wantlogininfo;
 105         $self->{ann_talk} = $user->wantann_talk;
 106         $self->{here} = 1;
 107
 108         # sort out registration
 109         if ($main::reqreg == 1) {
 110                 $self->{registered} = $user->registered;
 111         } elsif ($main::reqreg == 2) {
 112                 $self->{registered} = !$user->registered;
 113         } else {
 114                 $self->{registered} = 1;
 115         }
 116
 117
 118         # decide which motd to send
 119         my $motd = "${main::motd}_nor" unless $self->{registered};
 120         $motd = $main::motd unless $motd && -e $motd;
 121         $self->send_file($motd) if -e $motd;
 122
 123         # sort out privilege reduction
 124         $self->{priv} = 0 if $line =~ /^(ax|te)/ && !$self->conn->{usedpasswd};
 125
 126         # get the filters
 127         $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'user_default', 0);
 128         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'user_default', 0);
 129         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'user_default', 0);
 130         $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'user_default', 0) ;
 131
 132         # clean up qra locators
 133         my $qra = $user->qra;
 134         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 135         unless ($qra) {
 136                 my $lat = $user->lat;
 137                 my $long = $user->long;
 138                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 139         }
 140
 141         # decide on echo
 142         my $echo = $user->wantecho;
 143         unless ($echo) {
 144                 $self->send_now('E', "0");
 145                 $self->send($self->msg('echow'));
 146                 $self->conn->echo($echo) if $self->conn->can('echo');
 147         }
 148
 149         $self->tell_login('loginu');
 150
 151         # do we need to send a forward/opernam?
 152         my $lastoper = $user->lastoper || 0;
 153         my $homenode = $user->homenode || "";
 154         if ($homenode eq $main::mycall && $lastoper + $DXUser::lastoperinterval < $main::systime) {
 155                 run_cmd($main::me, "forward/opernam $call");
 156                 $user->lastoper($main::systime);
 157         }
 158
 159         # run a script send the output to the punter
 160         my $script = new Script(lc $call) || new Script('user_default');
 161         $script->run($self) if $script;
 162
 163         # send cluster info
 164         my $info = Route::cluster();
 165         $self->send("Cluster:$info");
 166
 167         # send prompts and things
 168         $self->send($self->msg('namee1')) if !$user->name;
 169         $self->send($self->msg('qthe1')) if !$user->qth;
 170         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 171         $self->send($self->msg('hnodee1')) if !$user->qth;
 172         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 173         $self->prompt;
 174 }
 175
 176 #
 177 # This is the normal command prompt driver
 178 #
 179
 180 sub normal
 181 {
 182         my $self = shift;
 183         my $cmdline = shift;
 184         my @ans;
 185
 186         # remove leading and trailing spaces
 187         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 188
 189         if ($self->{state} eq 'page') {
 190                 my $i = $self->{pagelth};
 191                 my $ref = $self->{pagedata};
 192                 my $tot = @$ref;
 193
 194                 # abort if we get a line starting in with a
 195                 if ($cmdline =~ /^a/io) {
 196                         undef $ref;
 197                         $i = 0;
 198                 }
 199
 200                 # send a tranche of data
 201                 while ($i-- > 0 && @$ref) {
 202                         my $line = shift @$ref;
 203                         $line =~ s/\s+$//o;     # why am having to do this?
 204                         $self->send($line);
 205                 }
 206
 207                 # reset state if none or else chuck out an intermediate prompt
 208                 if ($ref && @$ref) {
 209                         $tot -= $self->{pagelth};
 210                         $self->send($self->msg('page', $tot));
 211                 } else {
 212                         $self->state('prompt');
 213                 }
 214         } elsif ($self->{state} eq 'sysop') {
 215                 my $passwd = $self->{user}->passwd;
 216                 if ($passwd) {
 217                         my @pw = grep {$_ !~ /\s/} split //, $passwd;
 218                         my @l = @{$self->{passwd}};
 219                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 220                         if ($cmdline =~ /$str/) {
 221                                 $self->{priv} = $self->{user}->priv;
 222                         } else {
 223                                 $self->send($self->msg('sorry'));
 224                         }
 225                 } else {
 226                         $self->send($self->msg('sorry'));
 227                 }
 228                 $self->state('prompt');
 229         } elsif ($self->{state} eq 'passwd') {
 230                 my $passwd = $self->{user}->passwd;
 231                 if ($passwd && $cmdline eq $passwd) {
 232                         $self->send($self->msg('pw1'));
 233                         $self->state('passwd1');
 234                 } else {
 235                         $self->conn->{echo} = $self->conn->{decho};
 236                         delete $self->conn->{decho};
 237                         $self->send($self->msg('sorry'));
 238                         $self->state('prompt');
 239                 }
 240         } elsif ($self->{state} eq 'passwd1') {
 241                 $self->{passwd} = $cmdline;
 242                 $self->send($self->msg('pw2'));
 243                 $self->state('passwd2');
 244         } elsif ($self->{state} eq 'passwd2') {
 245                 if ($cmdline eq $self->{passwd}) {
 246                         $self->{user}->passwd($cmdline);
 247                         $self->send($self->msg('pw3'));
 248                 } else {
 249                         $self->send($self->msg('pw4'));
 250                 }
 251                 $self->conn->{echo} = $self->conn->{decho};
 252                 delete $self->conn->{decho};
 253                 $self->state('prompt');
 254         } elsif ($self->{state} eq 'talk') {
 255                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 256                         for (@{$self->{talklist}}) {
 257                                 $self->send_talks($_,  $self->msg('talkend'));
 258                         }
 259                         $self->state('prompt');
 260                         delete $self->{talklist};
 261                 } elsif ($cmdline =~ m(^/\w+)) {
 262                         $cmdline =~ s(^/)();
 263                         $self->send_ans(run_cmd($self, $cmdline));
 264                         $self->send($self->talk_prompt);
 265                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 266                         # send what has been said to whoever is in this person's talk list
 267                         my @bad;
 268                         if (@bad = BadWords::check($cmdline)) {
 269                                 $self->badcount(($self->badcount||0) + @bad);
 270                                 Log('DXCommand', "$self->{call} swore: $cmdline");
 271                         } else {
 272                                 for (@{$self->{talklist}}) {
 273                                         $self->send_talks($_, $cmdline);
 274                                 }
 275                         }
 276                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 277                 } else {
 278                         # for safety
 279                         $self->state('prompt');
 280                 }
 281         } elsif (my $func = $self->{func}) {
 282                 no strict 'refs';
 283                 my @ans;
 284                 if (ref $self->{edit}) {
 285                         eval { @ans = $self->{edit}->$func($self, $cmdline)};
 286                 } else {
 287                         eval {  @ans = &{$self->{func}}($self, $cmdline) };
 288                 }
 289                 if ($@) {
 290                         $self->send_ans("Syserr: on stored func $self->{func}", $@);
 291                         $self->state('prompt');
 292                         undef $@;
 293                 }
 294                 $self->send_ans(@ans);
 295         } else {
 296                 $self->send_ans(run_cmd($self, $cmdline));
 297         }
 298
 299         # check for excessive swearing
 300         if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
 301                 Log('DXCommand', "$self->{call} logged out for excessive swearing");
 302                 $self->disconnect;
 303                 return;
 304         }
 305
 306         # send a prompt only if we are in a prompt state
 307         $self->prompt() if $self->{state} =~ /^prompt/o;
 308 }
 309
 310 # send out the talk messages taking into account vias and connectivity
 311 sub send_talks
 312 {
 313         my ($self, $ent, $line) = @_;
 314
 315         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 316         $to = $ent unless $to;
 317         my $call = $via ? $via : $to;
 318         my $clref = Route::get($call);
 319         my $dxchan = $clref->dxchan if $clref;
 320         if ($dxchan) {
 321                 $dxchan->talk($self->{call}, $to, $via, $line);
 322         } else {
 323                 $self->send($self->msg('disc2', $via ? $via : $to));
 324                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 325                 if (@l) {
 326                         $self->{talklist} = \@l;
 327                 } else {
 328                         delete $self->{talklist};
 329                         $self->state('prompt');
 330                 }
 331         }
 332 }
 333
 334 sub talk_prompt
 335 {
 336         my $self = shift;
 337         my @call;
 338         for (@{$self->{talklist}}) {
 339                 my ($to, $via) = /(\S+)>(\S+)/;
 340                 $to = $_ unless $to;
 341                 push @call, $to;
 342         }
 343         return $self->msg('talkprompt', join(',', @call));
 344 }
 345
 346 #
 347 # send a load of stuff to a command user with page prompting
 348 # and stuff
 349 #
 350
 351 sub send_ans
 352 {
 353         my $self = shift;
 354
 355         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 356                 my $i;
 357                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 358                         my $line = shift @_;
 359                         $line =~ s/\s+$//o;     # why am having to do this?
 360                         $self->send($line);
 361                 }
 362                 $self->{pagedata} =  [ @_ ];
 363                 $self->state('page');
 364                 $self->send($self->msg('page', scalar @_));
 365         } else {
 366                 for (@_) {
 367                         if (defined $_) {
 368                                 $self->send($_);
 369                         } else {
 370                                 $self->send('');
 371                         }
 372                 }
 373         }
 374 }
 375 #
 376 # this is the thing that runs the command, it is done like this for the
 377 # benefit of remote command execution
 378 #
 379
 380 sub run_cmd
 381 {
 382         my $self = shift;
 383         my $user = $self->{user};
 384         my $call = $self->{call};
 385         my $cmdline = shift;
 386         my @ans;
 387
 388
 389         return () if length $cmdline == 0;
 390
 391         # strip out //
 392         $cmdline =~ s|//|/|og;
 393
 394         # split the command line up into parts, the first part is the command
 395         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 396         $args = "" unless defined $args;
 397
 398         if ($cmd) {
 399
 400                 my ($path, $fcmd);
 401
 402                 dbg("cmd: $cmd") if isdbg('command');
 403
 404                 # alias it if possible
 405                 my $acmd = CmdAlias::get_cmd($cmd);
 406                 if ($acmd) {
 407                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 408                         $args = "" unless defined $args;
 409                         dbg("aliased cmd: $cmd $args") if isdbg('command');
 410                 }
 411
 412                 # first expand out the entry to a command
 413                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 414                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 415
 416                 if ($path && $cmd) {
 417                         dbg("path: $cmd cmd: $fcmd") if isdbg('command');
 418
 419                         my $package = find_cmd_name($path, $fcmd);
 420                         return ($@) if $@;
 421
 422                         if ($package) {
 423                                 no strict 'refs';
 424                                 dbg("package: $package") if isdbg('command');
 425                                 eval { @ans = &$package($self, $args) };
 426                                 return (DXDebug::shortmess($@)) if $@;
 427                         }
 428                 } else {
 429                         dbg("cmd: $cmd not found") if isdbg('command');
 430                         if (++$self->{errors} > $maxerrors) {
 431                                 $self->send($self->msg('e26'));
 432                                 $self->disconnect;
 433                                 return ();
 434                         } else {
 435                                 return ($self->msg('e1'));
 436                         }
 437                 }
 438         }
 439
 440         my $ok = shift @ans;
 441         if ($ok) {
 442                 delete $self->{errors};
 443         } else {
 444                 if (++$self->{errors} > $maxerrors) {
 445                         $self->send($self->msg('e26'));
 446                         $self->disconnect;
 447                         return ();
 448                 }
 449         }
 450         return (@ans);
 451 }
 452
 453 #
 454 # This is called from inside the main cluster processing loop and is used
 455 # for despatching commands that are doing some long processing job
 456 #
 457 sub process
 458 {
 459         my $t = time;
 460         my @dxchan = DXChannel->get_all();
 461         my $dxchan;
 462
 463         foreach $dxchan (@dxchan) {
 464                 next if $dxchan->sort ne 'U';
 465
 466                 # send a prompt if no activity out on this channel
 467                 if ($t >= $dxchan->t + $main::user_interval) {
 468                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 469                         $dxchan->t($t);
 470                 }
 471         }
 472
 473         while (my ($k, $v) = each %nothereslug) {
 474                 if ($main::systime >= $v + 300) {
 475                         delete $nothereslug{$k};
 476                 }
 477         }
 478 }
 479
 480 #
 481 # finish up a user context
 482 #
 483 sub disconnect
 484 {
 485         my $self = shift;
 486         my $call = $self->call;
 487
 488         return if $self->{disconnecting}++;
 489
 490         delete $self->{senddbg};
 491
 492         my $uref = Route::User::get($call);
 493         my @rout;
 494         if ($uref) {
 495                 @rout = $main::routeroot->del_user($uref);
 496                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 497         } else {
 498                 confess "trying to disconnect a non existant user $call";
 499         }
 500
 501         # issue a pc17 to everybody interested
 502         DXProt::route_pc17($main::me, $main::routeroot, @rout) if @rout;
 503
 504         # I was the last node visited
 505     $self->user->node($main::mycall);
 506
 507         # send info to all logged in thingies
 508         $self->tell_login('logoutu');
 509
 510         Log('DXCommand', "$call disconnected");
 511
 512         $self->SUPER::disconnect;
 513 }
 514
 515 #
 516 # short cut to output a prompt
 517 #
 518
 519 sub prompt
 520 {
 521         my $self = shift;
 522         $self->send($self->msg($self->here ? 'pr' : 'pr2', $self->call, cldate($main::systime), ztime($main::systime)));
 523 }
 524
 525 # broadcast a message to all users [except those mentioned after buffer]
 526 sub broadcast
 527 {
 528         my $pkg = shift;                        # ignored
 529         my $s = shift;                          # the line to be rebroadcast
 530
 531     foreach my $dxchan (DXChannel->get_all()) {
 532                 next unless $dxchan->{sort} eq 'U'; # only interested in user channels
 533                 next if grep $dxchan == $_, @_;
 534                 $dxchan->send($s);                      # send it
 535         }
 536 }
 537
 538 # gimme all the users
 539 sub get_all
 540 {
 541         return grep {$_->{sort} eq 'U'} DXChannel->get_all();
 542 }
 543
 544 # run a script for this user
 545 sub run_script
 546 {
 547         my $self = shift;
 548         my $silent = shift || 0;
 549
 550 }
 551
 552 #
 553 # search for the command in the cache of short->long form commands
 554 #
 555
 556 sub search
 557 {
 558         my ($path, $short_cmd, $suffix) = @_;
 559         my ($apath, $acmd);
 560
 561         # commands are lower case
 562         $short_cmd = lc $short_cmd;
 563         dbg("command: $path $short_cmd\n") if isdbg('command');
 564
 565         # do some checking for funny characters
 566         return () if $short_cmd =~ /\/$/;
 567
 568         # return immediately if we have it
 569         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 570         if ($apath && $acmd) {
 571                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 572                 return ($apath, $acmd);
 573         }
 574
 575         # if not guess
 576         my @parts = split '/', $short_cmd;
 577         my $dirfn;
 578         my $curdir = $path;
 579         my $p;
 580         my $i;
 581         my @lparts;
 582
 583         for ($i = 0; $i < @parts; $i++) {
 584                 my  $p = $parts[$i];
 585                 opendir(D, $curdir) or confess "can't open $curdir $!";
 586                 my @ls = readdir D;
 587                 closedir D;
 588                 my $l;
 589                 foreach $l (sort @ls) {
 590                         next if $l =~ /^\./;
 591                         if ($i < $#parts) {             # we are dealing with directories
 592                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 593                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 594                                         $dirfn .= "$l/";
 595                                         $curdir .= "/$l";
 596                                         last;
 597                                 }
 598                         } else {                        # we are dealing with commands
 599                                 @lparts = split /\./, $l;
 600                                 next if $lparts[$#lparts] ne $suffix;        # only look for .$suffix files
 601                                 if ($p eq substr($l, 0, length $p)) {
 602                                         pop @lparts; #  remove the suffix
 603                                         $l = join '.', @lparts;
 604                                         #                 chop $dirfn;               # remove trailing /
 605                                         $dirfn = "" unless $dirfn;
 606                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 607                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 608                                         return ($path, "$dirfn$l");
 609                                 }
 610                         }
 611                 }
 612         }
 613         return ();
 614 }
 615
 616 # clear the command name cache
 617 sub clear_cmd_cache
 618 {
 619         no strict 'refs';
 620
 621         for (keys %Cache) {
 622                 undef *{$_};
 623                 dbg("Undefining cmd $_") if isdbg('command');
 624         }
 625         %cmd_cache = ();
 626         %Cache = ();
 627 }
 628
 629 #
 630 # the persistant execution of things from the command directories
 631 #
 632 #
 633 # This allows perl programs to call functions dynamically
 634 #
 635 # This has been nicked directly from the perlembed pages
 636 #
 637
 638 #require Devel::Symdump;
 639
 640 sub valid_package_name {
 641         my($string) = @_;
 642         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 643
 644         $string =~ s|/|_|g;
 645         return "cmd_$string";
 646 }
 647
 648 #
 649 # this bit of magic finds a command in the offered directory
 650 sub find_cmd_name {
 651         my $path = shift;
 652         my $cmdname = shift;
 653         my $package = valid_package_name($cmdname);
 654         my $filename = "$path/$cmdname.pl";
 655         my $mtime = -M $filename;
 656
 657         # return if we can't find it
 658         $errstr = undef;
 659         unless (defined $mtime) {
 660                 $errstr = DXM::msg('e1');
 661                 return undef;
 662         }
 663
 664         if(defined $Cache{$package}->{mtime} &&$Cache{$package}->{mtime} <= $mtime) {
 665                 #we have compiled this subroutine already,
 666                 #it has not been updated on disk, nothing left to do
 667                 #print STDERR "already compiled $package->handler\n";
 668                 ;
 669         } else {
 670
 671                 my $sub = readfilestr($filename);
 672                 unless ($sub) {
 673                         $errstr = "Syserr: can't open '$filename' $!";
 674                         return undef;
 675                 };
 676
 677                 #wrap the code into a subroutine inside our unique package
 678                 my $eval = qq( sub $package { $sub } );
 679
 680                 if (isdbg('eval')) {
 681                         my @list = split /\n/, $eval;
 682                         my $line;
 683                         for (@list) {
 684                                 dbg($_ . "\n") if isdbg('eval');
 685                         }
 686                 }
 687
 688                 # get rid of any existing sub and try to compile the new one
 689                 no strict 'refs';
 690
 691                 if (exists $Cache{$package}) {
 692                         dbg("Redefining $package") if isdbg('command');
 693                         undef *$package;
 694                 } else {
 695                         dbg("Defining $package") if isdbg('command');
 696                 }
 697                 eval $eval;
 698
 699                 $Cache{$package} = {mtime => $mtime };
 700
 701         }
 702
 703         return $package;
 704 }
 705
 706 sub local_send
 707 {
 708         my ($self, $let, $buf) = @_;
 709         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') {
 710                 if ($self->{enhanced}) {
 711                         $self->send_later($let, $buf);
 712                 } else {
 713                         $self->send($buf);
 714                 }
 715         } else {
 716                 $self->delay($buf);
 717         }
 718 }
 719
 720 # send a talk message here
 721 sub talk
 722 {
 723         my ($self, $from, $to, $via, $line) = @_;
 724         $line =~ s/\\5E/\^/g;
 725         $self->local_send('T', "$to de $from: $line") if $self->{talk};
 726         Log('talk', $to, $from, $via?$via:$main::mycall, $line);
 727         # send a 'not here' message if required
 728         unless ($self->{here} && $from ne $to) {
 729                 my $key = "$to$from";
 730                 unless (exists $nothereslug{$key}) {
 731                         my ($ref, $dxchan);
 732                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 733                                 my $name = $self->user->name || $to;
 734                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 735                                 $nothereslug{$key} = $main::systime;
 736                                 $dxchan->talk($to, $from, undef, $s);
 737                         }
 738                 }
 739         }
 740 }
 741
 742 # send an announce
 743 sub announce
 744 {
 745         my $self = shift;
 746         my $line = shift;
 747         my $isolate = shift;
 748         my $to = shift;
 749         my $target = shift;
 750         my $text = shift;
 751         my ($filter, $hops);
 752
 753         if (!$self->{ann_talk} && $to ne $self->{call}) {
 754                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 755                 return if $call;
 756         }
 757
 758         if ($self->{annfilter}) {
 759                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 760                 return unless $filter;
 761         }
 762
 763         unless ($self->{ann}) {
 764                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 765         }
 766         return if $target eq 'SYSOP' && $self->{priv} < 5;
 767         my $buf = "$to$target de $_[0]: $text";
 768         $buf =~ s/\%5E/^/g;
 769         $buf .= "\a\a" if $self->{beep};
 770         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 771 }
 772
 773 # send a dx spot
 774 sub dx_spot
 775 {
 776         my $self = shift;
 777         my $line = shift;
 778         my $isolate = shift;
 779         my ($filter, $hops);
 780
 781         return unless $self->{dx};
 782
 783         if ($self->{spotsfilter}) {
 784                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
 785                 return unless $filter;
 786         }
 787
 788         my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
 789         $buf .= "\a\a" if $self->{beep};
 790         $buf =~ s/\%5E/^/g;
 791         $self->local_send('X', $buf);
 792 }
 793
 794 sub wwv
 795 {
 796         my $self = shift;
 797         my $line = shift;
 798         my $isolate = shift;
 799         my ($filter, $hops);
 800
 801         return unless $self->{wwv};
 802
 803         if ($self->{wwvfilter}) {
 804                 ($filter, $hops) = $self->{wwvfilter}->it(@_ );
 805                 return unless $filter;
 806         }
 807
 808         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
 809         $buf .= "\a\a" if $self->{beep};
 810         $self->local_send('V', $buf);
 811 }
 812
 813 sub wcy
 814 {
 815         my $self = shift;
 816         my $line = shift;
 817         my $isolate = shift;
 818         my ($filter, $hops);
 819
 820         return unless $self->{wcy};
 821
 822         if ($self->{wcyfilter}) {
 823                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
 824                 return unless $filter;
 825         }
 826
 827         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
 828         $buf .= "\a\a" if $self->{beep};
 829         $self->local_send('Y', $buf);
 830 }
 831
 832 # broadcast debug stuff to all interested parties
 833 sub broadcast_debug
 834 {
 835         my $s = shift;                          # the line to be rebroadcast
 836
 837         foreach my $dxchan (DXChannel->get_all) {
 838                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
 839                 $dxchan->send_later('L', $s);
 840         }
 841 }
 842
 843
 844 1;
 845 __END__