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 use DXCIDR;
  49
  50 use strict;
  51 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
  52         $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers);
  53
  54 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  55 %cmd_cache = ();                                # cache of short names
  56 $errstr = ();                                   # error string from eval
  57 %aliases = ();                                  # aliases for (parts of) commands
  58 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  59 $maxbadcount = 3;                               # no of bad words allowed before disconnection
  60 $msgpolltime = 3600;                    # the time between polls for new messages
  61 $cmdimportdir = "$main::root/cmd_import"; # the base directory for importing command scripts
  62                                           # this does not exist as default, you need to create it manually
  63 $users = 0;                                       # no of users on this node currently
  64 $maxusers = 0;                            # max no users on this node for this run
  65
  66 #
  67 # obtain a new connection this is derived from dxchannel
  68 #
  69
  70 sub new
  71 {
  72         my $self = DXChannel::alloc(@_);
  73
  74         # routing, this must go out here to prevent race condx
  75         my $pkg = shift;
  76         my $call = shift;
  77         #       my @rout = $main::routeroot->add_user($call, Route::here(1));
  78         my $ipaddr = $self->hostname;
  79         $ipaddr = $main::localhost_alias_ipv6 if $ipaddr eq '::1' && $main::localhost_alias_ipv6;
  80         $ipaddr = $main::localhost_alias_ipv4 if $ipaddr =~ /^127\./ && $main::localhost_alias_ipv4;
  81         DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $ipaddr], );
  82
  83         # ALWAYS output the user
  84         my $ref = Route::User::get($call);
  85         if ($ref) {
  86                 $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref);
  87                 $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes;
  88         }
  89
  90         return $self;
  91 }
  92
  93 # this is how a a connection starts, you get a hello message and the motd with
  94 # possibly some other messages asking you to set various things up if you are
  95 # new (or nearly new and slacking) user.
  96
  97 sub start
  98 {
  99         my ($self, $line, $sort) = @_;
 100         my $user = $self->{user};
 101         my $call = $self->{call};
 102         my $name = $user->{name};
 103
 104         # log it
 105         my $host = $self->{conn}->peerhost;
 106         $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
 107         $host ||= "unknown";
 108         $self->{hostname} = $host;
 109
 110         $self->{name} = $name ? $name : $call;
 111         $self->send($self->msg('l2',$self->{name}));
 112         $self->send("Capabilities: ve7cc rbn");
 113         $self->state('prompt');         # a bit of room for further expansion, passwords etc
 114         $self->{priv} = $user->priv || 0;
 115         $self->{lang} = $user->lang || $main::lang || 'en';
 116         my $pagelth = $user->pagelth;
 117         $pagelth = $default_pagelth unless defined $pagelth;
 118         $self->{pagelth} = $pagelth;
 119         ($self->{width}) = $line =~ /\s*width=(\d+)/; $line =~ s/\s*width=\d+//;
 120         $self->{enhanced} = $line =~ /\s+enhanced/; $line =~ s/\s*enhanced//;
 121         if ($line =~ /host=/) {
 122                 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
 123                 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
 124                 unless ($h) {
 125                         ($h) = $line =~ /host=([\da..fA..F:]+)/;
 126                         $line =~ s/\s*host=[\da..fA..F:]+// if $h;
 127                 }
 128                 $self->{hostname} = $h if $h;
 129         }
 130         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
 131         $self->{consort} = $line;       # save the connection type
 132
 133         LogDbg('DXCommand', "$call connected from $self->{hostname} cols $self->{width}" . ($self->{enhanced}?" enhanced":''));
 134
 135         # set some necessary flags on the user if they are connecting
 136         $self->{beep} = $user->wantbeep;
 137         $self->{ann} = $user->wantann;
 138         $self->{wwv} = $user->wantwwv;
 139         $self->{wcy} = $user->wantwcy;
 140         $self->{talk} = $user->wanttalk;
 141         $self->{wx} = $user->wantwx;
 142         $self->{dx} = $user->wantdx;
 143         $self->{logininfo} = $user->wantlogininfo;
 144         $self->{ann_talk} = $user->wantann_talk;
 145         $self->{wantrbn} = $user->wantrbn;
 146         $self->{here} = 1;
 147         $self->{prompt} = $user->prompt if $user->prompt;
 148         $self->{lastmsgpoll} = 0;
 149         $self->{rbnseeme} = $user->rbnseeme;
 150         RBN::add_seeme($call) if $self->{rbnseeme};
 151
 152         # sort out new dx spot stuff
 153         $user->wantdxcq(0) unless defined $user->{wantdxcq};
 154         $user->wantdxitu(0) unless defined $user->{wantdxitu};
 155         $user->wantusstate(0) unless defined $user->{wantusstate};
 156
 157         # sort out registration
 158         if ($main::reqreg == 2) {
 159                 $self->{registered} = !$user->registered;
 160         } else {
 161                 $self->{registered} = $user->registered;
 162         }
 163
 164         # establish slug queue, if required
 165         $self->{sluggedpcs} = [];
 166         $self->{isslugged} = $DXProt::pc92_slug_changes + $DXProt::last_pc92_slug + 5 if $DXProt::pc92_slug_changes;
 167         $self->{isslugged} = 0 if $self->{priv} || $user->registered || ($user->homenode && $user->homenode eq $main::mycall);
 168
 169         # send the relevant MOTD
 170         $self->send_motd;
 171
 172         # sort out privilege reduction
 173         $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->conn->peerhost eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
 174
 175         # get the filters
 176         my $nossid = $call;
 177         $nossid =~ s/-\d+$//;
 178
 179         $self->{spotsfilter} = Filter::read_in('spots', $call, 0)
 180                 || Filter::read_in('spots', $nossid, 0)
 181                         || Filter::read_in('spots', 'user_default', 0);
 182         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0)
 183                 || Filter::read_in('wwv', $nossid, 0)
 184                         || Filter::read_in('wwv', 'user_default', 0);
 185         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0)
 186                 || Filter::read_in('wcy', $nossid, 0)
 187                         || Filter::read_in('wcy', 'user_default', 0);
 188         $self->{annfilter} = Filter::read_in('ann', $call, 0)
 189                 || Filter::read_in('ann', $nossid, 0)
 190                         || Filter::read_in('ann', 'user_default', 0) ;
 191         $self->{rbnfilter} = Filter::read_in('rbn', $call, 0)
 192                 || Filter::read_in('rbn', $nossid, 0)
 193                 || Filter::read_in('rbn', 'user_default', 0);
 194
 195         # clean up qra locators
 196         my $qra = $user->qra;
 197         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 198         unless ($qra) {
 199                 my $lat = $user->lat;
 200                 my $long = $user->long;
 201                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 202         }
 203
 204         # decide on echo
 205         my $echo = $user->wantecho;
 206         unless ($echo) {
 207                 $self->send_now('E', "0");
 208                 $self->send($self->msg('echow'));
 209                 $self->conn->echo($echo) if $self->conn->can('echo');
 210         }
 211
 212         $self->tell_login('loginu');
 213         $self->tell_buddies('loginb');
 214
 215         # is this a bad ip address?
 216         if (is_ipaddr($self->{hostname})) {
 217                 $self->{badip} = DXCIDR::find($self->{hostname});
 218         }
 219
 220         # do we need to send a forward/opernam?
 221         my $lastoper = $user->lastoper || 0;
 222         my $homenode = $user->homenode || "";
 223         if ($homenode eq $main::mycall && $main::systime >= $lastoper + $DXUser::lastoperinterval) {
 224                 run_cmd($main::me, "forward/opernam $call");
 225                 $user->lastoper($main::systime + ((int rand(10)) * 86400));
 226         }
 227
 228         # run a script send the output to the punter
 229         my $script = new Script(lc $call) || new Script('user_default');
 230         $script->run($self) if $script;
 231
 232         # send cluster info
 233         $self->send($self->run_cmd("show/cluster"));
 234
 235         # send prompts for qth, name and things
 236         $self->send($self->msg('namee1')) if !$user->name;
 237         $self->send($self->msg('qthe1')) if !$user->qth;
 238         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 239         $self->send($self->msg('hnodee1')) if !$user->qth;
 240         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 241
 242         # send out any buddy messages for other people that are online
 243         foreach my $call (@{$user->buddies}) {
 244                 my $ref = Route::User::get($call);
 245                 if ($ref) {
 246                         foreach my $node ($ref->parents) {
 247                                 $self->send($self->msg($node eq $main::mycall ? 'loginb' : 'loginbn', $call, $node));
 248                         }
 249                 }
 250         }
 251
 252         $self->lastmsgpoll($main::systime);
 253         $self->prompt;
 254 }
 255
 256 #
 257 # This is the normal command prompt driver
 258 #
 259
 260 sub normal
 261 {
 262         my $self = shift;
 263         my $cmdline = shift;
 264         my @ans;
 265         my @bad;
 266
 267         # save this for them's that need it
 268         my $rawline = $cmdline;
 269
 270         # remove leading and trailing spaces
 271         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 272
 273         if ($self->{state} eq 'page') {
 274                 my $i = $self->{pagelth}-5;
 275                 my $ref = $self->{pagedata};
 276                 my $tot = @$ref;
 277
 278                 # abort if we get a line starting in with a
 279                 if ($cmdline =~ /^a/io) {
 280                         undef $ref;
 281                         $i = 0;
 282                 }
 283
 284                 # send a tranche of data
 285                 for (; $i > 0 && @$ref; --$i) {
 286                         my $line = shift @$ref;
 287                         $line =~ s/\s+$//o;     # why am having to do this?
 288                         $self->send($line);
 289                 }
 290
 291                 # reset state if none or else chuck out an intermediate prompt
 292                 if ($ref && @$ref) {
 293                         $tot -= $self->{pagelth};
 294                         $self->send($self->msg('page', $tot));
 295                 } else {
 296                         $self->state('prompt');
 297                 }
 298         } elsif ($self->{state} eq 'sysop') {
 299                 my $passwd = $self->{user}->passwd;
 300                 if ($passwd) {
 301                         my @pw = grep {$_ !~ /\s/} split //, $passwd;
 302                         my @l = @{$self->{passwd}};
 303                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 304                         if ($cmdline =~ /$str/) {
 305                                 $self->{priv} = $self->{user}->priv;
 306                         } else {
 307                                 $self->send($self->msg('sorry'));
 308                         }
 309                 } else {
 310                         $self->send($self->msg('sorry'));
 311                 }
 312                 $self->state('prompt');
 313         } elsif ($self->{state} eq 'passwd') {
 314                 my $passwd = $self->{user}->passwd;
 315                 if ($passwd && $cmdline eq $passwd) {
 316                         $self->send($self->msg('pw1'));
 317                         $self->state('passwd1');
 318                 } else {
 319                         $self->conn->{echo} = $self->conn->{decho};
 320                         delete $self->conn->{decho};
 321                         $self->send($self->msg('sorry'));
 322                         $self->state('prompt');
 323                 }
 324         } elsif ($self->{state} eq 'passwd1') {
 325                 $self->{passwd} = $cmdline;
 326                 $self->send($self->msg('pw2'));
 327                 $self->state('passwd2');
 328         } elsif ($self->{state} eq 'passwd2') {
 329                 if ($cmdline eq $self->{passwd}) {
 330                         $self->{user}->passwd($cmdline);
 331                         $self->send($self->msg('pw3'));
 332                 } else {
 333                         $self->send($self->msg('pw4'));
 334                 }
 335                 $self->conn->{echo} = $self->conn->{decho};
 336                 delete $self->conn->{decho};
 337                 $self->state('prompt');
 338         } elsif ($self->{state} eq 'talk' || $self->{state} eq 'chat') {
 339                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 340                         for (@{$self->{talklist}}) {
 341                                 if ($self->{state} eq 'talk') {
 342                                         $self->send_talks($_,  $self->msg('talkend'));
 343                                 } else {
 344                                         $self->local_send('C', $self->msg('chatend', $_));
 345                                 }
 346                         }
 347                         $self->state('prompt');
 348                         delete $self->{talklist};
 349                 } elsif ($cmdline =~ m|^/+\w+|) {
 350                         $cmdline =~ s|^/||;
 351                         my $sendit = $cmdline =~ s|^/+||;
 352                         if (@bad = BadWords::check($cmdline)) {
 353                                 $self->badcount(($self->badcount||0) + @bad);
 354                                 LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
 355                         } else {
 356                                 my @in = $self->run_cmd($cmdline);
 357                                 $self->send_ans(@in);
 358                                 if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
 359                                         foreach my $l (@in) {
 360                                                 for (@{$self->{talklist}}) {
 361                                                         if ($self->{state} eq 'talk') {
 362                                                                 $self->send_talks($_, $l);
 363                                                         } else {
 364                                                                 send_chats($self, $_, $l)
 365                                                         }
 366                                                 }
 367                                         }
 368                                 }
 369                         }
 370                         $self->send($self->{state} eq 'talk' ? $self->talk_prompt : $self->chat_prompt);
 371                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 372                         # send what has been said to whoever is in this person's talk list
 373                         if (@bad = BadWords::check($cmdline)) {
 374                                 $self->badcount(($self->badcount||0) + @bad);
 375                                 LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
 376                         } else {
 377                                 for (@{$self->{talklist}}) {
 378                                         if ($self->{state} eq 'talk') {
 379                                                 $self->send_talks($_, $rawline);
 380                                         } else {
 381                                                 send_chats($self, $_, $rawline);
 382                                         }
 383                                 }
 384                         }
 385                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 386                         $self->send($self->chat_prompt) if $self->{state} eq 'chat';
 387                 } else {
 388                         # for safety
 389                         $self->state('prompt');
 390                 }
 391         } elsif (my $func = $self->{func}) {
 392                 no strict 'refs';
 393                 my @ans;
 394                 if (ref $self->{edit}) {
 395                         eval { @ans = $self->{edit}->$func($self, $rawline)};
 396                 } else {
 397                         eval {  @ans = &{$self->{func}}($self, $rawline) };
 398                 }
 399                 if ($@) {
 400                         $self->send_ans("Syserr: on stored func $self->{func}", $@);
 401                         delete $self->{func};
 402                         $self->state('prompt');
 403                         undef $@;
 404                 }
 405                 $self->send_ans(@ans);
 406         } else {
 407 #               if (@bad = BadWords::check($cmdline)) {
 408 #                       $self->badcount(($self->badcount||0) + @bad);
 409 #                       LogDbg('DXCommand', "$self->{call} swore: '$cmdline' with badwords: '" . join(',', @bad) . "'");
 410 #               } else {
 411                         $self->send_ans(run_cmd($self, $cmdline));
 412 #               }
 413         }
 414
 415         # check for excessive swearing
 416         if ($maxbadcount && $self->{badcount} && $self->{badcount} >= $maxbadcount) {
 417                 LogDbg('DXCommand', "$self->{call} logged out for excessive swearing");
 418                 $self->disconnect;
 419                 return;
 420         }
 421
 422         # send a prompt only if we are in a prompt state
 423         $self->prompt() if $self->{state} =~ /^prompt/o;
 424 }
 425
 426 # send out the talk messages taking into account vias and connectivity
 427 sub send_talks
 428 {
 429         my ($self, $ent, $line) = @_;
 430
 431         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 432         $to = $ent unless $to;
 433         my $call = $via && $via ne '*' ? $via : $to;
 434         my $clref = Route::get($call);
 435         my $dxchan = $clref->dxchan if $clref;
 436         if ($dxchan) {
 437                 $dxchan->talk($self->{call}, $to, undef, $line);
 438         } else {
 439                 $self->send($self->msg('disc2', $via ? $via : $to));
 440                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 441                 if (@l) {
 442                         $self->{talklist} = \@l;
 443                 } else {
 444                         delete $self->{talklist};
 445                         $self->state('prompt');
 446                 }
 447         }
 448 }
 449
 450 sub send_chats
 451 {
 452         my $self = shift;
 453         my $target = shift;
 454         my $text = shift;
 455
 456         my $msgid = DXProt::nextchatmsgid();
 457         $text = "#$msgid $text";
 458         $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text));
 459 }
 460
 461 sub special_prompt
 462 {
 463         my $self = shift;
 464         my $prompt = shift;
 465         my @call;
 466         for (@{$self->{talklist}}) {
 467                 my ($to, $via) = /(\S+)>(\S+)/;
 468                 $to = $_ unless $to;
 469                 push @call, $to;
 470         }
 471         return $self->msg($prompt, join(',', @call));
 472 }
 473
 474 sub talk_prompt
 475 {
 476         my $self = shift;
 477         return $self->special_prompt('talkprompt');
 478 }
 479
 480 sub chat_prompt
 481 {
 482         my $self = shift;
 483         return $self->special_prompt('chatprompt');
 484 }
 485
 486 #
 487 # send a load of stuff to a command user with page prompting
 488 # and stuff
 489 #
 490
 491 sub send_ans
 492 {
 493         my $self = shift;
 494
 495         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 496                 my $i;
 497                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 498                         my $line = shift @_;
 499                         $line =~ s/\s+$//o;     # why am having to do this?
 500                         $self->send($line);
 501                 }
 502                 $self->{pagedata} =  [ @_ ];
 503                 $self->state('page');
 504                 $self->send($self->msg('page', scalar @_));
 505         } else {
 506                 for (@_) {
 507                         if (defined $_) {
 508                                 $self->send($_);
 509                         } else {
 510                                 $self->send('');
 511                         }
 512                 }
 513         }
 514 }
 515
 516 #
 517 # this is the thing that preps for running the command, it is done like this for the
 518 # benefit of remote command execution
 519 #
 520
 521 sub run_cmd
 522 {
 523         my $self = shift;
 524         my $user = $self->{user};
 525         my $call = $self->{call};
 526         my $cmdline = shift;
 527         my @ans;
 528
 529         return () if length $cmdline == 0;
 530
 531         # split the command line up into parts, the first part is the command
 532         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 533         $args = "" unless defined $args;
 534
 535         if ($cmd) {
 536
 537                 # check cmd
 538                 if ($cmd =~ m|^/| || $cmd =~ m|[^-?\w/]|) {
 539                         LogDbg('DXCommand', "cmd: $self->{call} - invalid characters in '$cmd'");
 540                         return $self->_error_out('e1');
 541                 }
 542
 543                 # strip out // on command only
 544                 $cmd =~ s|//|/|g;
 545
 546                 my ($path, $fcmd);
 547
 548                 dbg("cmd: $cmd") if isdbg('command');
 549
 550                 # alias it if possible
 551                 my $acmd = CmdAlias::get_cmd($cmd);
 552                 if ($acmd) {
 553                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 554                         $args = "" unless defined $args;
 555                         dbg("cmd: aliased $cmd $args") if isdbg('command');
 556                 }
 557
 558                 # first expand out the entry to a command
 559                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 560                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") unless $path && $fcmd;
 561
 562                 if ($path && $cmd) {
 563                         dbg("cmd: path $cmd cmd: $fcmd") if isdbg('command');
 564
 565                         my $package = find_cmd_name($path, $fcmd);
 566                         return ($@) if $@;
 567
 568                         if ($package && $self->can("${package}::handle")) {
 569                                 no strict 'refs';
 570                                 dbg("cmd: package $package") if isdbg('command');
 571 #                               Log('cmd', "$self->{call} on $self->{hostname} : '$cmd $args'");
 572                                 my $t0 = [gettimeofday];
 573                                 eval { @ans = &{"${package}::handle"}($self, $args) };
 574                                 if ($@) {
 575                                         DXDebug::dbgprintring(25);
 576                                         return (DXDebug::shortmess($@));
 577                                 }
 578                                 if (isdbg('progress')) {
 579                                         my $msecs = _diffms($t0);
 580                                         my $s = "CMD: '$cmd $args' by $call ip: $self->{hostname} ${msecs}mS";
 581                                         dbg($s) if $cmd !~ /^(?:echo|blank)/ || isdbg('echo');     # cut down a bit on HRD and other clients' noise
 582                                 }
 583                         } else {
 584                                 dbg("cmd: $package not present") if isdbg('command');
 585                                 return $self->_error_out('e1');
 586                         }
 587                 } else {
 588                         dbg("cmd: $cmd not found") if isdbg('command');
 589                         return $self->_error_out('e1');
 590                 }
 591         }
 592
 593         my $ok = shift @ans;
 594         if ($ok) {
 595                 delete $self->{errors};
 596         } else {
 597                 if (++$self->{errors} > $DXChannel::maxerrors) {
 598                         $self->send($self->msg('e26'));
 599                         $self->disconnect;
 600                         return ();
 601                 }
 602         }
 603         return map {s/([^\s])\s+$/$1/; $_} @ans;
 604 }
 605
 606 #
 607 # This is called from inside the main cluster processing loop and is used
 608 # for despatching commands that are doing some long processing job
 609 #
 610 sub process
 611 {
 612         my $t = time;
 613         my @dxchan = DXChannel::get_all();
 614         my $dxchan;
 615
 616         $users = 0;
 617         foreach $dxchan (@dxchan) {
 618                 next unless $dxchan->is_user;
 619
 620                 # send a outstanding message prompt if required
 621                 if ($t >= $dxchan->lastmsgpoll + $msgpolltime) {
 622                         $dxchan->send($dxchan->msg('m9')) if DXMsg::for_me($dxchan->call);
 623                         $dxchan->lastmsgpoll($t);
 624                 }
 625
 626                 # send a prompt if no activity out on this channel
 627                 if ($t >= $dxchan->t + $main::user_interval) {
 628                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 629                         $dxchan->t($t);
 630                 }
 631                 ++$users;
 632                 $maxusers = $users if $users > $maxusers;
 633
 634                 if ($dxchan->{isslugged} && $main::systime > $dxchan->{isslugged}) {
 635                         foreach my $ref (@{$dxchan->{sluggedpcs}}) {
 636                                 if ($ref->[0] == 61) {
 637                                         Spot::add(@{$ref->[2]});
 638                                         DXProt::send_dx_spot($dxchan, $ref->[1], @{$ref->[2]});
 639                                 }
 640                         }
 641
 642                         $dxchan->{isslugged} = 0;
 643                         $dxchan->{sluggedpcs} = [];
 644                 }
 645         }
 646
 647         import_cmd();
 648 }
 649
 650 #
 651 # finish up a user context
 652 #
 653 sub disconnect
 654 {
 655         my $self = shift;
 656         my $call = $self->call;
 657
 658         return if $self->{disconnecting}++;
 659
 660         delete $self->{senddbg};
 661         RBN::del_seeme($call);
 662
 663         my $uref = Route::User::get($call);
 664         my @rout;
 665         if ($uref) {
 666 #               @rout = $main::routeroot->del_user($uref);
 667                 @rout = DXProt::_del_thingy($main::routeroot, [$call, 0]);
 668
 669                 # dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 670
 671                 # issue a pc17 to everybody interested
 672                 $main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref);
 673                 $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes;
 674         } else {
 675                 confess "trying to disconnect a non existant user $call";
 676         }
 677
 678         # I was the last node visited
 679     $self->user->node($main::mycall);
 680
 681         # send info to all logged in thingies
 682         $self->tell_login('logoutu');
 683         $self->tell_buddies('logoutb');
 684
 685         LogDbg('DXCommand', "$call disconnected");
 686
 687         $self->SUPER::disconnect;
 688 }
 689
 690 #
 691 # short cut to output a prompt
 692 #
 693
 694 sub prompt
 695 {
 696         my $self = shift;
 697
 698         return if $self->{gtk};         # 'cos prompts are not a concept that applies here
 699
 700         my $call = $self->call;
 701         my $date = cldate($main::systime);
 702         my $time = ztime($main::systime);
 703         my $prompt = $self->{prompt} || $self->msg('pr');
 704
 705         $call = "($call)" unless $self->here;
 706         $prompt =~ s/\%C/$call/g;
 707         $prompt =~ s/\%D/$date/g;
 708         $prompt =~ s/\%T/$time/g;
 709         $prompt =~ s/\%M/$main::mycall/g;
 710
 711         $self->send($prompt);
 712 }
 713
 714 # broadcast a message to all users [except those mentioned after buffer]
 715 sub broadcast
 716 {
 717         my $pkg = shift;                        # ignored
 718         my $s = shift;                          # the line to be rebroadcast
 719
 720     foreach my $dxchan (DXChannel::get_all()) {
 721                 next unless $dxchan->is_user; # only interested in user channels
 722                 next if grep $dxchan == $_, @_;
 723                 $dxchan->send($s);                      # send it
 724         }
 725 }
 726
 727 # gimme all the users
 728 sub get_all
 729 {
 730         goto &DXChannel::get_all_users;
 731 }
 732
 733 # run a script for this user
 734 sub run_script
 735 {
 736         my $self = shift;
 737         my $silent = shift || 0;
 738
 739 }
 740
 741 #
 742 # search for the command in the cache of short->long form commands
 743 #
 744
 745 sub search
 746 {
 747         my ($path, $short_cmd, $suffix) = @_;
 748         my ($apath, $acmd);
 749
 750         # commands are lower case
 751         $short_cmd = lc $short_cmd;
 752         dbg("command: $path $short_cmd\n") if isdbg('command');
 753
 754         # do some checking for funny characters
 755         return () if $short_cmd =~ /\/$/;
 756
 757         # return immediately if we have it
 758         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 759         if ($apath && $acmd) {
 760                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 761                 return ($apath, $acmd);
 762         }
 763
 764         # if not guess
 765         my @parts = split '/', $short_cmd;
 766         my $dirfn;
 767         my $curdir = $path;
 768
 769         while (my $p = shift @parts) {
 770                 opendir(D, $curdir) or confess "can't open $curdir $!";
 771                 my @ls = readdir D;
 772                 closedir D;
 773
 774                 # if this isn't the last part
 775                 if (@parts) {
 776                         my $found;
 777                         foreach my $l (sort @ls) {
 778                                 next if $l =~ /^\./;
 779                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 780                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 781                                         $dirfn .= "$l/";
 782                                         $curdir .= "/$l";
 783                                         $found++;
 784                                         last;
 785                                 }
 786                         }
 787                         # only proceed if we find the directory asked for
 788                         return () unless $found;
 789                 } else {
 790                         foreach my $l (sort @ls) {
 791                                 next if $l =~ /^\./;
 792                                 next unless $l =~ /\.$suffix$/;
 793                                 if ($p eq substr($l, 0, length $p)) {
 794                                         $l =~ s/\.$suffix$//;
 795                                         $dirfn = "" unless $dirfn;
 796                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 797                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 798                                         return ($path, "$dirfn$l");
 799                                 }
 800                         }
 801                 }
 802         }
 803
 804         return ();
 805 }
 806
 807 # clear the command name cache
 808 sub clear_cmd_cache
 809 {
 810         no strict 'refs';
 811
 812         for my $k (keys %Cache) {
 813                 unless ($k =~ /cmd_cache/) {
 814                         dbg("Undefining cmd $k") if isdbg('command');
 815                         undef $DXCommandmode::{"${k}::"};
 816                 }
 817         }
 818         %cmd_cache = ();
 819         %Cache = ( cmd_clear_cmd_cache  => $Cache{cmd_clear_cmd_cache} );
 820 }
 821
 822 #
 823 # the persistant execution of things from the command directories
 824 #
 825 #
 826 # This allows perl programs to call functions dynamically
 827 #
 828 # This has been nicked directly from the perlembed pages
 829 #
 830 #require Devel::Symdump;
 831
 832 sub valid_package_name {
 833         my $string = shift;
 834         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 835
 836         $string =~ s|/|_|g;
 837         return "cmd_$string";
 838 }
 839
 840 #
 841 # this bit of magic finds a command in the offered directory
 842 sub find_cmd_name {
 843         my $path = shift;
 844         my $cmdname = shift;
 845         my $package = valid_package_name($cmdname);
 846         my $filename = "$path/$cmdname.pl";
 847         my $mtime = -M $filename;
 848
 849         # return if we can't find it
 850         $errstr = undef;
 851         unless (defined $mtime) {
 852                 $errstr = DXM::msg('e1');
 853                 return undef;
 854         }
 855
 856         if(exists $Cache{$package} && exists $Cache{$package}->{mtime} && $Cache{$package}->{mtime} <= $mtime) {
 857                 #we have compiled this subroutine already,
 858                 #it has not been updated on disk, nothing left to do
 859                 #print STDERR "already compiled $package->handler\n";
 860                 dbg("find_cmd_name: $package cached") if isdbg('command');
 861         } else {
 862
 863                 my $sub = readfilestr($filename);
 864                 unless ($sub) {
 865                         $errstr = "Syserr: can't open '$filename' $!";
 866                         return undef;
 867                 };
 868
 869                 #wrap the code into a subroutine inside our unique package
 870                 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}; );
 871
 872
 873                 if ($sub =~ m|\s*sub\s+handle\n|) {
 874                         $eval .= $sub;
 875                 } else {
 876                         $eval .= qq(sub handle { $sub });
 877                 }
 878
 879                 if (isdbg('eval')) {
 880                         my @list = split /\n/, $eval;
 881                         my $line;
 882                         for (@list) {
 883                                 dbg($_ . "\n") if isdbg('eval');
 884                         }
 885                 }
 886
 887                 # get rid of any existing sub and try to compile the new one
 888                 no strict 'refs';
 889
 890                 if (exists $Cache{$package}) {
 891                         dbg("find_cmd_name: Redefining $package") if isdbg('command');
 892                         undef $DXCommandmode::{"${package}::"};
 893                         delete $Cache{$package};
 894                 } else {
 895                         dbg("find_cmd_name: Defining $package") if isdbg('command');
 896                 }
 897
 898                 eval $eval;
 899
 900                 $Cache{$package} = {mtime => $mtime } unless $@;
 901         }
 902
 903         return "DXCommandmode::$package";
 904 }
 905
 906 sub send
 907 {
 908         my $self = shift;
 909         if ($self->{gtk}) {
 910                 for (@_) {
 911                         $self->SUPER::send(dd(['cmd',$_]));
 912                 }
 913         } else {
 914                 $self->SUPER::send(@_);
 915         }
 916 }
 917
 918 sub local_send
 919 {
 920         my ($self, $let, $buf) = @_;
 921         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk' || $self->{state} eq 'chat') {
 922                 if ($self->{enhanced}) {
 923                         $self->send_later($let, $buf);
 924                 } else {
 925                         $self->send($buf);
 926                 }
 927         } else {
 928                 $self->delay($buf);
 929         }
 930 }
 931
 932 # send a talk message here
 933 sub talk
 934 {
 935         my ($self, $from, $to, $via, $line, $onode) = @_;
 936         $line =~ s/\\5E/\^/g;
 937         if ($self->{talk}) {
 938                 if ($self->{gtk}) {
 939                         $self->local_send('T', dd(['talk',$to,$from,$via,$line]));
 940                 } else {
 941                         $self->local_send('T', "$to de $from: $line");
 942                 }
 943         }
 944         Log('talk', $to, $from, '<' . ($onode || '*'), $line);
 945         # send a 'not here' message if required
 946         unless ($self->{here} && $from ne $to) {
 947                 my $key = "$to$from";
 948                 unless (exists $nothereslug{$key}) {
 949                         my ($ref, $dxchan);
 950                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 951                                 my $name = $self->user->name || $to;
 952                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 953                                 $nothereslug{$key} = $main::systime;
 954                                 $dxchan->talk($to, $from, undef, $s);
 955                         }
 956                 }
 957         }
 958 }
 959
 960 # send an announce
 961 sub announce
 962 {
 963         my $self = shift;
 964         my $line = shift;
 965         my $isolate = shift;
 966         my $to = shift;
 967         my $target = shift;
 968         my $text = shift;
 969         my ($filter, $hops);
 970
 971         if (!$self->{ann_talk} && $to ne $self->{call}) {
 972                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 973                 return if $call;
 974         }
 975
 976         if ($self->{annfilter}) {
 977                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 978                 return unless $filter;
 979         }
 980
 981         unless ($self->{ann}) {
 982                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 983         }
 984         return if $target eq 'SYSOP' && $self->{priv} < 5;
 985         my $buf;
 986         if ($self->{gtk}) {
 987                 $buf = dd(['ann', $to, $target, $text, @_])
 988         } else {
 989                 $buf = "$to$target de $_[0]: $text";
 990                 #$buf =~ s/\%5E/^/g;
 991                 $buf .= "\a\a" if $self->{beep};
 992         }
 993         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 994 }
 995
 996 # send a chat
 997 sub chat
 998 {
 999         my $self = shift;
1000         my $line = shift;
1001         my $isolate = shift;
1002         my $target = shift;
1003         my $to = shift;
1004         my $text = shift;
1005         my ($filter, $hops);
1006
1007         return unless grep uc $_ eq $target, @{$self->{user}->{group}};
1008
1009         $text =~ s/^\#\d+ //;
1010         my $buf;
1011         if ($self->{gtk}) {
1012                 $buf = dd(['chat', $to, $target, $text, @_])
1013         } else {
1014                 $buf = "$target de $_[0]: $text";
1015                 #$buf =~ s/\%5E/^/g;
1016                 $buf .= "\a\a" if $self->{beep};
1017         }
1018         $self->local_send('C', $buf);
1019 }
1020
1021 sub format_dx_spot
1022 {
1023         my $self = shift;
1024
1025         my $t = ztime($_[2]);
1026         my ($slot1, $slot2) = ('', '');
1027
1028         my $clth = 30 + $self->{width} - 80;    # allow comment to grow according the screen width
1029         my $c = $_[3];
1030         $c =~ s/\t/ /g;
1031         my $comment = substr (($c || ''), 0, $clth);
1032         $comment .= ' ' x ($clth - (length($comment)));
1033
1034     if (!$slot1 && $self->{user}->wantgrid) {
1035                 my $ref = DXUser::get_current($_[1]);
1036                 if ($ref && $ref->qra) {
1037                         $slot1 = ' ' . substr($ref->qra, 0, 4);
1038                 }
1039         }
1040         if (!$slot1 && $self->{user}->wantusstate) {
1041                 $slot1 = " $_[12]" if $_[12];
1042         }
1043         unless ($slot1) {
1044                 if ($self->{user}->wantdxitu) {
1045                         $slot1 = sprintf(" %2d", $_[8]) if defined $_[8];
1046                 } elsif ($self->{user}->wantdxcq) {
1047                         $slot1 = sprintf(" %2d", $_[9]) if defined $_[9];
1048                 }
1049         }
1050         $comment = substr($comment, 0,  $clth-length($slot1)) . $slot1 if $slot1;
1051
1052     if (!$slot2 && $self->{user}->wantgrid) {
1053                 my $origin = $_[4];
1054                 $origin =~ s/-#$//;                     # sigh......
1055                 my $ref = DXUser::get_current($origin);
1056                 if ($ref && $ref->qra) {
1057                         $slot2 = ' ' . substr($ref->qra, 0, 4);
1058                 }
1059         }
1060         if (!$slot2 && $self->{user}->wantusstate) {
1061                 $slot2 = " $_[13]" if $_[13];
1062         }
1063         unless ($slot2) {
1064                 if ($self->{user}->wantdxitu) {
1065                         $slot2 = sprintf(" %2d", $_[10]) if defined $_[10];
1066                 } elsif ($self->{user}->wantdxcq) {
1067                         $slot2 = sprintf(" %2d", $_[11]) if defined $_[11];
1068                 }
1069         }
1070
1071         my $o = sprintf("%-9s", $_[4] . ':');
1072         my $qrg = sprintf "%8.1f", $_[0];
1073         if (length $qrg >= 9) {
1074                 while (length($o)+length($qrg) > 17 && $o =~ / $/) {
1075                         chop $o;
1076                 }
1077         }
1078         my $spot = sprintf "%-12s", $_[1];
1079         my $front = "DX de $o $qrg  $spot";
1080         while (length($front) > 38 && $front =~ /  $/) {
1081                 chop $front;
1082         }
1083
1084
1085         return sprintf "$front %-s $t$slot2", $comment;
1086 }
1087
1088
1089 # send a dx spot
1090 sub dx_spot
1091 {
1092         my $self = shift;
1093         my $line = shift;
1094         my $isolate = shift;
1095         return unless $self->{dx};
1096
1097         my ($filter, $hops);
1098
1099         if ($self->{spotsfilter}) {
1100                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
1101                 return unless $filter;
1102         }
1103
1104         dbg('spot: "' . join('","', @_) . '"') if isdbg('dxspot');
1105
1106         my $buf;
1107         if ($self->{ve7cc}) {
1108                 $buf = VE7CC::dx_spot($self, @_);
1109         } elsif ($self->{gtk}) {
1110                 my ($dxloc, $byloc);
1111
1112                 my $ref = DXUser::get_current($_[4]);
1113                 if ($ref) {
1114                         $byloc = $ref->qra;
1115                         $byloc = substr($byloc, 0, 4) if $byloc;
1116                 }
1117
1118                 my $spot = $_[1];
1119                 $spot =~ s|/\w{1,4}$||;
1120                 $ref = DXUser::get_current($spot);
1121                 if ($ref) {
1122                         $dxloc = $ref->qra;
1123                         $dxloc = substr($dxloc, 0, 4) if $dxloc;
1124                 }
1125                 $buf = dd(['dx', @_, ($dxloc||''), ($byloc||'')]);
1126
1127         } else {
1128                 $buf = $self->format_dx_spot(@_);
1129                 $buf .= "\a\a" if $self->{beep};
1130                 #$buf =~ s/\%5E/^/g;
1131         }
1132
1133         $self->local_send('X', $buf);
1134 }
1135
1136 sub wwv
1137 {
1138         my $self = shift;
1139         my $line = shift;
1140         my $isolate = shift;
1141         my ($filter, $hops);
1142
1143         return unless $self->{wwv};
1144
1145         if ($self->{wwvfilter}) {
1146                 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_] );
1147                 return unless $filter;
1148         }
1149
1150         my $buf;
1151         if ($self->{gtk}) {
1152                 $buf = dd(['wwv', @_])
1153         } else {
1154                 $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1155                 $buf .= "\a\a" if $self->{beep};
1156         }
1157
1158         $self->local_send('V', $buf);
1159 }
1160
1161 sub wcy
1162 {
1163         my $self = shift;
1164         my $line = shift;
1165         my $isolate = shift;
1166         my ($filter, $hops);
1167
1168         return unless $self->{wcy};
1169
1170         if ($self->{wcyfilter}) {
1171                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
1172                 return unless $filter;
1173         }
1174
1175         my $buf;
1176         if ($self->{gtk}) {
1177                 $buf = dd(['wcy', @_])
1178         } else {
1179                 $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1180                 $buf .= "\a\a" if $self->{beep};
1181         }
1182         $self->local_send('Y', $buf);
1183 }
1184
1185 # broadcast debug stuff to all interested parties
1186 sub broadcast_debug
1187 {
1188         my $s = shift;                          # the line to be rebroadcast
1189
1190         foreach my $dxchan (DXChannel::get_all_users) {
1191                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
1192                 if ($dxchan->{gtk}) {
1193                         $dxchan->send_later('L', dd(['db', $s]));
1194                 } else {
1195                         $dxchan->send_later('L', $s);
1196                 }
1197         }
1198 }
1199
1200 sub do_entry_stuff
1201 {
1202         my $self = shift;
1203         my $line = shift;
1204         my @out;
1205
1206         if ($self->state eq 'enterbody') {
1207                 my $loc = $self->{loc} || confess "local var gone missing" ;
1208                 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
1209                         no strict 'refs';
1210                         push @out, &{$loc->{endaction}}($self);          # like this for < 5.8.0
1211                         $self->func(undef);
1212                         $self->state('prompt');
1213                 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
1214                         push @out, $self->msg('m10');
1215                         delete $loc->{lines};
1216                         delete $self->{loc};
1217                         $self->func(undef);
1218                         $self->state('prompt');
1219                 } else {
1220                         push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
1221                         # i.e. it ain't and end or abort, therefore store the line
1222                 }
1223         } else {
1224                 confess "Invalid state $self->{state}";
1225         }
1226         return @out;
1227 }
1228
1229 sub store_startup_script
1230 {
1231         my $self = shift;
1232         my $loc = $self->{loc} || confess "local var gone missing" ;
1233         my @out;
1234         my $call = $loc->{call} || confess "callsign gone missing";
1235         confess "lines array gone missing" unless ref $loc->{lines};
1236         my $r = Script::store($call, $loc->{lines});
1237         if (defined $r) {
1238                 if ($r) {
1239                         push @out, $self->msg('m19', $call, $r);
1240                 } else {
1241                         push @out, $self->msg('m20', $call);
1242                 }
1243         } else {
1244                 push @out, "error opening startup script $call $!";
1245         }
1246         return @out;
1247 }
1248
1249 # Import any commands contained in any files in import_cmd directory
1250 #
1251 # If the filename has a recogisable callsign as some delimited part
1252 # of it, then this is the user the command will be run as.
1253 #
1254 sub import_cmd
1255 {
1256         # are there any to do in this directory?
1257         return unless -d $cmdimportdir;
1258         unless (opendir(DIR, $cmdimportdir)) {
1259                 LogDbg('err', "can\'t open $cmdimportdir $!");
1260                 return;
1261         }
1262
1263         my @names = readdir(DIR);
1264         closedir(DIR);
1265         my $name;
1266
1267         return unless @names;
1268
1269         foreach $name (@names) {
1270                 next if $name =~ /^\./;
1271
1272                 my $s = Script->new($name, $cmdimportdir);
1273                 if ($s) {
1274                         LogDbg('DXCommand', "Run import cmd file $name");
1275                         my @cat = split /[^A-Za-z0-9]+/, $name;
1276                         my ($call) = grep {is_callsign(uc $_)} @cat;
1277                         $call ||= $main::mycall;
1278                         $call = uc $call;
1279                         my @out;
1280
1281
1282                         $s->inscript(0);        # switch off script checks
1283
1284                         if ($call eq $main::mycall) {
1285                                 @out = $s->run($main::me, 1);
1286                         } else {
1287                                 my $dxchan = DXChannel::get($call);
1288                             if ($dxchan) {
1289                                         @out = $s->run($dxchan, 1);
1290                                 } else {
1291                                         my $u = DXUser::get($call);
1292                                         if ($u) {
1293                                                 $dxchan = $main::me;
1294                                                 my $old = $dxchan->{call};
1295                                                 my $priv = $dxchan->{priv};
1296                                                 my $user = $dxchan->{user};
1297                                                 $dxchan->{call} = $call;
1298                                                 $dxchan->{priv} = $u->priv;
1299                                                 $dxchan->{user} = $u;
1300                                                 @out = $s->run($dxchan, 1);
1301                                                 $dxchan->{call} = $old;
1302                                                 $dxchan->{priv} = $priv;
1303                                                 $dxchan->{user} = $user;
1304                                         } else {
1305                                                 LogDbg('err', "Trying to run import cmd for non-existant user $call");
1306                                         }
1307                                 }
1308                         }
1309                         $s->erase;
1310                         for (@out) {
1311                                 LogDbg('DXCommand', "Import cmd $name/$call: $_");
1312                         }
1313                 } else {
1314                         LogDbg('err', "Failed to open $cmdimportdir/$name $!");
1315                         unlink "$cmdimportdir/$name";
1316                 }
1317         }
1318 }
1319
1320 sub print_find_reply
1321 {
1322         my ($self, $node, $target, $flag, $ms) = @_;
1323         my $sort = $flag == 2 ? "External" : "Local";
1324         $self->send("$sort $target found at $node in $ms ms" );
1325 }
1326
1327 # send the most relevant motd
1328 sub send_motd
1329 {
1330         my $self = shift;
1331         my $motd;
1332
1333         unless ($self->isregistered) {
1334                 $motd = "${main::motd}_nor_$self->{lang}";
1335                 $motd = "${main::motd}_nor" unless -e $motd;
1336         }
1337         $motd = "${main::motd}_$self->{lang}" unless $motd && -e $motd;
1338         $motd = $main::motd unless $motd && -e $motd;
1339         if ($self->conn->ax25) {
1340                 if ($motd) {
1341                         $motd = "${motd}_ax25" if -e "${motd}_ax25";
1342                 } else {
1343                         $motd = "${main::motd}_ax25" if -e "${main::motd}_ax25";
1344                 }
1345         }
1346         $self->send_file($motd) if -e $motd;
1347 }
1348
1349 # Punt off a long running command into a separate process
1350 #
1351 # This is called from commands to run some potentially long running
1352 # function. The process forks and then runs the function and returns
1353 # the result back to the cmd.
1354 #
1355 # NOTE: this merely forks the current process and then runs the cmd in that (current) context.
1356 #       IT DOES NOT START UP SOME NEW PROGRAM AND RELIES ON THE FACT THAT IT IS RUNNING DXSPIDER
1357 #       THE CURRENT CONTEXT!!
1358 #
1359 # call: $self->spawn_cmd($original_cmd_line, \<function>, [cb => sub{...}], [prefix => "cmd> "], [progress => 0|1], [args => [...]]);
1360 sub spawn_cmd
1361 {
1362         my $self = shift;
1363         my $line = shift;
1364         my $cmdref = shift;
1365         my $call = $self->{call};
1366         my %args = @_;
1367         my @out;
1368
1369         my $cb = delete $args{cb};
1370         my $prefix = delete $args{prefix};
1371         my $progress = delete $args{progress};
1372         my $args = delete $args{args} || [];
1373         my $t0 = [gettimeofday];
1374
1375         no strict 'refs';
1376
1377         # just behave normally if something has set the "one-shot" _nospawn in the channel
1378         if ($self->{_nospawn}) {
1379                 eval { @out = $cmdref->(@$args); };
1380                 if ($@) {
1381                         DXDebug::dbgprintring(25);
1382                         push @out, DXDebug::shortmess($@);
1383                 }
1384                 return @out;
1385         }
1386
1387         my $fc = DXSubprocess->new;
1388 #       $fc->serializer(\&encode_json);
1389 #       $fc->deserializer(\&decode_json);
1390         $fc->run(
1391                          sub {
1392                                  my $subpro = shift;
1393                                  if (isdbg('progress')) {
1394                                          my $s = qq{$call line: "$line"};
1395                                          $s .= ", args: " . join(', ', map { defined $_ ? qq{'$_'} : q{'undef'} } @$args) if $args && @$args;
1396                                          dbg($s);
1397                                  }
1398                                  eval {
1399                                          ++$self->{_in_sub_process};
1400                                          dbg "\$self->{_in_sub_process} = $self->{_in_sub_process}";
1401                                          @out = $cmdref->(@$args);
1402                                          --$self->{_in_sub_process} if $self->{_in_sub_process} > 0;
1403                                  };
1404                                  if ($@) {
1405                                          DXDebug::dbgprintring(25);
1406                                          push @out, DXDebug::shortmess($@);
1407                                  }
1408                                  return @out;
1409                          },
1410 #                        $args,
1411                          sub {
1412                                  my ($fc, $err, @res) = @_;
1413                                  my $dxchan = DXChannel::get($call);
1414                                  return unless $dxchan;
1415
1416                                  if ($err) {
1417                                          my $s = "DXProt::spawn_cmd: call $call error $err";
1418                                          dbg($s) if isdbg('chan');
1419                                          $dxchan->send($s);
1420                                          return;
1421                                  }
1422                                  if ($cb) {
1423                                          # transform output if required
1424                                          @res = $cb->($dxchan, @res);
1425                                  }
1426                                  if (@res) {
1427                                          if (defined $prefix) {
1428                                                  $dxchan->send(map {"$prefix$_"} @res);
1429                                          } else {
1430                                                  $dxchan->send(@res);
1431                                          }
1432                                  }
1433                                  diffms("by $call", $line, $t0, scalar @res) if isdbg('progress');
1434                          });
1435
1436         return @out;
1437 }
1438
1439 sub user_count
1440 {
1441     return ($users, $maxusers);
1442 }
1443
1444 1;
1445 __END__