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+)/; $line =~ s/\s*width=\d+\s*//;
  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                         delete $self->{func};
 292                         $self->state('prompt');
 293                         undef $@;
 294                 }
 295                 $self->send_ans(@ans);
 296         } else {
 297                 $self->send_ans(run_cmd($self, $cmdline));
 298         }
 299
 300         # check for excessive swearing
 301         if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
 302                 Log('DXCommand', "$self->{call} logged out for excessive swearing");
 303                 $self->disconnect;
 304                 return;
 305         }
 306
 307         # send a prompt only if we are in a prompt state
 308         $self->prompt() if $self->{state} =~ /^prompt/o;
 309 }
 310
 311 # send out the talk messages taking into account vias and connectivity
 312 sub send_talks
 313 {
 314         my ($self, $ent, $line) = @_;
 315
 316         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 317         $to = $ent unless $to;
 318         my $call = $via ? $via : $to;
 319         my $clref = Route::get($call);
 320         my $dxchan = $clref->dxchan if $clref;
 321         if ($dxchan) {
 322                 $dxchan->talk($self->{call}, $to, $via, $line);
 323         } else {
 324                 $self->send($self->msg('disc2', $via ? $via : $to));
 325                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 326                 if (@l) {
 327                         $self->{talklist} = \@l;
 328                 } else {
 329                         delete $self->{talklist};
 330                         $self->state('prompt');
 331                 }
 332         }
 333 }
 334
 335 sub talk_prompt
 336 {
 337         my $self = shift;
 338         my @call;
 339         for (@{$self->{talklist}}) {
 340                 my ($to, $via) = /(\S+)>(\S+)/;
 341                 $to = $_ unless $to;
 342                 push @call, $to;
 343         }
 344         return $self->msg('talkprompt', join(',', @call));
 345 }
 346
 347 #
 348 # send a load of stuff to a command user with page prompting
 349 # and stuff
 350 #
 351
 352 sub send_ans
 353 {
 354         my $self = shift;
 355
 356         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 357                 my $i;
 358                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 359                         my $line = shift @_;
 360                         $line =~ s/\s+$//o;     # why am having to do this?
 361                         $self->send($line);
 362                 }
 363                 $self->{pagedata} =  [ @_ ];
 364                 $self->state('page');
 365                 $self->send($self->msg('page', scalar @_));
 366         } else {
 367                 for (@_) {
 368                         if (defined $_) {
 369                                 $self->send($_);
 370                         } else {
 371                                 $self->send('');
 372                         }
 373                 }
 374         }
 375 }
 376 #
 377 # this is the thing that runs the command, it is done like this for the
 378 # benefit of remote command execution
 379 #
 380
 381 sub run_cmd
 382 {
 383         my $self = shift;
 384         my $user = $self->{user};
 385         my $call = $self->{call};
 386         my $cmdline = shift;
 387         my @ans;
 388
 389
 390         return () if length $cmdline == 0;
 391
 392         # strip out //
 393         $cmdline =~ s|//|/|og;
 394
 395         # split the command line up into parts, the first part is the command
 396         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 397         $args = "" unless defined $args;
 398
 399         if ($cmd) {
 400
 401                 my ($path, $fcmd);
 402
 403                 dbg("cmd: $cmd") if isdbg('command');
 404
 405                 # alias it if possible
 406                 my $acmd = CmdAlias::get_cmd($cmd);
 407                 if ($acmd) {
 408                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 409                         $args = "" unless defined $args;
 410                         dbg("aliased cmd: $cmd $args") if isdbg('command');
 411                 }
 412
 413                 # first expand out the entry to a command
 414                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 415                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 416
 417                 if ($path && $cmd) {
 418                         dbg("path: $cmd cmd: $fcmd") if isdbg('command');
 419
 420                         my $package = find_cmd_name($path, $fcmd);
 421                         return ($@) if $@;
 422
 423                         if ($package) {
 424                                 no strict 'refs';
 425                                 dbg("package: $package") if isdbg('command');
 426                                 eval { @ans = &$package($self, $args) };
 427                                 return (DXDebug::shortmess($@)) if $@;
 428                         }
 429                 } else {
 430                         dbg("cmd: $cmd not found") if isdbg('command');
 431                         if (++$self->{errors} > $maxerrors) {
 432                                 $self->send($self->msg('e26'));
 433                                 $self->disconnect;
 434                                 return ();
 435                         } else {
 436                                 return ($self->msg('e1'));
 437                         }
 438                 }
 439         }
 440
 441         my $ok = shift @ans;
 442         if ($ok) {
 443                 delete $self->{errors};
 444         } else {
 445                 if (++$self->{errors} > $maxerrors) {
 446                         $self->send($self->msg('e26'));
 447                         $self->disconnect;
 448                         return ();
 449                 }
 450         }
 451         return (@ans);
 452 }
 453
 454 #
 455 # This is called from inside the main cluster processing loop and is used
 456 # for despatching commands that are doing some long processing job
 457 #
 458 sub process
 459 {
 460         my $t = time;
 461         my @dxchan = DXChannel->get_all();
 462         my $dxchan;
 463
 464         foreach $dxchan (@dxchan) {
 465                 next if $dxchan->sort ne 'U';
 466
 467                 # send a prompt if no activity out on this channel
 468                 if ($t >= $dxchan->t + $main::user_interval) {
 469                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 470                         $dxchan->t($t);
 471                 }
 472         }
 473
 474         while (my ($k, $v) = each %nothereslug) {
 475                 if ($main::systime >= $v + 300) {
 476                         delete $nothereslug{$k};
 477                 }
 478         }
 479 }
 480
 481 #
 482 # finish up a user context
 483 #
 484 sub disconnect
 485 {
 486         my $self = shift;
 487         my $call = $self->call;
 488
 489         return if $self->{disconnecting}++;
 490
 491         delete $self->{senddbg};
 492
 493         my $uref = Route::User::get($call);
 494         my @rout;
 495         if ($uref) {
 496                 @rout = $main::routeroot->del_user($uref);
 497                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 498         } else {
 499                 confess "trying to disconnect a non existant user $call";
 500         }
 501
 502         # issue a pc17 to everybody interested
 503         DXProt::route_pc17($main::me, $main::routeroot, @rout) if @rout;
 504
 505         # I was the last node visited
 506     $self->user->node($main::mycall);
 507
 508         # send info to all logged in thingies
 509         $self->tell_login('logoutu');
 510
 511         Log('DXCommand', "$call disconnected");
 512
 513         $self->SUPER::disconnect;
 514 }
 515
 516 #
 517 # short cut to output a prompt
 518 #
 519
 520 sub prompt
 521 {
 522         my $self = shift;
 523         $self->send($self->msg($self->here ? 'pr' : 'pr2', $self->call, cldate($main::systime), ztime($main::systime)));
 524 }
 525
 526 # broadcast a message to all users [except those mentioned after buffer]
 527 sub broadcast
 528 {
 529         my $pkg = shift;                        # ignored
 530         my $s = shift;                          # the line to be rebroadcast
 531
 532     foreach my $dxchan (DXChannel->get_all()) {
 533                 next unless $dxchan->{sort} eq 'U'; # only interested in user channels
 534                 next if grep $dxchan == $_, @_;
 535                 $dxchan->send($s);                      # send it
 536         }
 537 }
 538
 539 # gimme all the users
 540 sub get_all
 541 {
 542         return grep {$_->{sort} eq 'U'} DXChannel->get_all();
 543 }
 544
 545 # run a script for this user
 546 sub run_script
 547 {
 548         my $self = shift;
 549         my $silent = shift || 0;
 550
 551 }
 552
 553 #
 554 # search for the command in the cache of short->long form commands
 555 #
 556
 557 sub search
 558 {
 559         my ($path, $short_cmd, $suffix) = @_;
 560         my ($apath, $acmd);
 561
 562         # commands are lower case
 563         $short_cmd = lc $short_cmd;
 564         dbg("command: $path $short_cmd\n") if isdbg('command');
 565
 566         # do some checking for funny characters
 567         return () if $short_cmd =~ /\/$/;
 568
 569         # return immediately if we have it
 570         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 571         if ($apath && $acmd) {
 572                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 573                 return ($apath, $acmd);
 574         }
 575
 576         # if not guess
 577         my @parts = split '/', $short_cmd;
 578         my $dirfn;
 579         my $curdir = $path;
 580         my $p;
 581         my $i;
 582         my @lparts;
 583
 584         for ($i = 0; $i < @parts; $i++) {
 585                 my  $p = $parts[$i];
 586                 opendir(D, $curdir) or confess "can't open $curdir $!";
 587                 my @ls = readdir D;
 588                 closedir D;
 589                 my $l;
 590                 foreach $l (sort @ls) {
 591                         next if $l =~ /^\./;
 592                         if ($i < $#parts) {             # we are dealing with directories
 593                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 594                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 595                                         $dirfn .= "$l/";
 596                                         $curdir .= "/$l";
 597                                         last;
 598                                 }
 599                         } else {                        # we are dealing with commands
 600                                 @lparts = split /\./, $l;
 601                                 next if $lparts[$#lparts] ne $suffix;        # only look for .$suffix files
 602                                 if ($p eq substr($l, 0, length $p)) {
 603                                         pop @lparts; #  remove the suffix
 604                                         $l = join '.', @lparts;
 605                                         #                 chop $dirfn;               # remove trailing /
 606                                         $dirfn = "" unless $dirfn;
 607                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 608                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 609                                         return ($path, "$dirfn$l");
 610                                 }
 611                         }
 612                 }
 613         }
 614         return ();
 615 }
 616
 617 # clear the command name cache
 618 sub clear_cmd_cache
 619 {
 620         no strict 'refs';
 621
 622         for (keys %Cache) {
 623                 undef *{$_};
 624                 dbg("Undefining cmd $_") if isdbg('command');
 625         }
 626         %cmd_cache = ();
 627         %Cache = ();
 628 }
 629
 630 #
 631 # the persistant execution of things from the command directories
 632 #
 633 #
 634 # This allows perl programs to call functions dynamically
 635 #
 636 # This has been nicked directly from the perlembed pages
 637 #
 638
 639 #require Devel::Symdump;
 640
 641 sub valid_package_name {
 642         my($string) = @_;
 643         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 644
 645         $string =~ s|/|_|g;
 646         return "cmd_$string";
 647 }
 648
 649 #
 650 # this bit of magic finds a command in the offered directory
 651 sub find_cmd_name {
 652         my $path = shift;
 653         my $cmdname = shift;
 654         my $package = valid_package_name($cmdname);
 655         my $filename = "$path/$cmdname.pl";
 656         my $mtime = -M $filename;
 657
 658         # return if we can't find it
 659         $errstr = undef;
 660         unless (defined $mtime) {
 661                 $errstr = DXM::msg('e1');
 662                 return undef;
 663         }
 664
 665         if(defined $Cache{$package}->{mtime} &&$Cache{$package}->{mtime} <= $mtime) {
 666                 #we have compiled this subroutine already,
 667                 #it has not been updated on disk, nothing left to do
 668                 #print STDERR "already compiled $package->handler\n";
 669                 ;
 670         } else {
 671
 672                 my $sub = readfilestr($filename);
 673                 unless ($sub) {
 674                         $errstr = "Syserr: can't open '$filename' $!";
 675                         return undef;
 676                 };
 677
 678                 #wrap the code into a subroutine inside our unique package
 679                 my $eval = qq( sub $package { $sub } );
 680
 681                 if (isdbg('eval')) {
 682                         my @list = split /\n/, $eval;
 683                         my $line;
 684                         for (@list) {
 685                                 dbg($_ . "\n") if isdbg('eval');
 686                         }
 687                 }
 688
 689                 # get rid of any existing sub and try to compile the new one
 690                 no strict 'refs';
 691
 692                 if (exists $Cache{$package}) {
 693                         dbg("Redefining $package") if isdbg('command');
 694                         undef *$package;
 695                 } else {
 696                         dbg("Defining $package") if isdbg('command');
 697                 }
 698                 eval $eval;
 699
 700                 $Cache{$package} = {mtime => $mtime };
 701
 702         }
 703
 704         return $package;
 705 }
 706
 707 sub local_send
 708 {
 709         my ($self, $let, $buf) = @_;
 710         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') {
 711                 if ($self->{enhanced}) {
 712                         $self->send_later($let, $buf);
 713                 } else {
 714                         $self->send($buf);
 715                 }
 716         } else {
 717                 $self->delay($buf);
 718         }
 719 }
 720
 721 # send a talk message here
 722 sub talk
 723 {
 724         my ($self, $from, $to, $via, $line) = @_;
 725         $line =~ s/\\5E/\^/g;
 726         $self->local_send('T', "$to de $from: $line") if $self->{talk};
 727         Log('talk', $to, $from, $via?$via:$main::mycall, $line);
 728         # send a 'not here' message if required
 729         unless ($self->{here} && $from ne $to) {
 730                 my $key = "$to$from";
 731                 unless (exists $nothereslug{$key}) {
 732                         my ($ref, $dxchan);
 733                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 734                                 my $name = $self->user->name || $to;
 735                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 736                                 $nothereslug{$key} = $main::systime;
 737                                 $dxchan->talk($to, $from, undef, $s);
 738                         }
 739                 }
 740         }
 741 }
 742
 743 # send an announce
 744 sub announce
 745 {
 746         my $self = shift;
 747         my $line = shift;
 748         my $isolate = shift;
 749         my $to = shift;
 750         my $target = shift;
 751         my $text = shift;
 752         my ($filter, $hops);
 753
 754         if (!$self->{ann_talk} && $to ne $self->{call}) {
 755                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 756                 return if $call;
 757         }
 758
 759         if ($self->{annfilter}) {
 760                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 761                 return unless $filter;
 762         }
 763
 764         unless ($self->{ann}) {
 765                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 766         }
 767         return if $target eq 'SYSOP' && $self->{priv} < 5;
 768         my $buf = "$to$target de $_[0]: $text";
 769         $buf =~ s/\%5E/^/g;
 770         $buf .= "\a\a" if $self->{beep};
 771         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 772 }
 773
 774 # send a dx spot
 775 sub dx_spot
 776 {
 777         my $self = shift;
 778         my $line = shift;
 779         my $isolate = shift;
 780         my ($filter, $hops);
 781
 782         return unless $self->{dx};
 783
 784         if ($self->{spotsfilter}) {
 785                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
 786                 return unless $filter;
 787         }
 788
 789         my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
 790         $buf .= "\a\a" if $self->{beep};
 791         $buf =~ s/\%5E/^/g;
 792         $self->local_send('X', $buf);
 793 }
 794
 795 sub wwv
 796 {
 797         my $self = shift;
 798         my $line = shift;
 799         my $isolate = shift;
 800         my ($filter, $hops);
 801
 802         return unless $self->{wwv};
 803
 804         if ($self->{wwvfilter}) {
 805                 ($filter, $hops) = $self->{wwvfilter}->it(@_ );
 806                 return unless $filter;
 807         }
 808
 809         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
 810         $buf .= "\a\a" if $self->{beep};
 811         $self->local_send('V', $buf);
 812 }
 813
 814 sub wcy
 815 {
 816         my $self = shift;
 817         my $line = shift;
 818         my $isolate = shift;
 819         my ($filter, $hops);
 820
 821         return unless $self->{wcy};
 822
 823         if ($self->{wcyfilter}) {
 824                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
 825                 return unless $filter;
 826         }
 827
 828         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
 829         $buf .= "\a\a" if $self->{beep};
 830         $self->local_send('Y', $buf);
 831 }
 832
 833 # broadcast debug stuff to all interested parties
 834 sub broadcast_debug
 835 {
 836         my $s = shift;                          # the line to be rebroadcast
 837
 838         foreach my $dxchan (DXChannel->get_all) {
 839                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
 840                 $dxchan->send_later('L', $s);
 841         }
 842 }
 843
 844
 845 1;
 846 __END__