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root |
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#! perl |
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# login handling |
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use Fcntl; |
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use Coro::AIO; |
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my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
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# testbed for coroutines in crossfire : |
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sub query { |
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my ($ns, $flags, $text) = @_; |
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my $current = $Coro::current; |
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$ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); |
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Coro::schedule while ref $current; |
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$current |
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} |
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sub can_cleanup { |
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my ($playerfile, $mtime) = @_; |
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my $age = time - $mtime; |
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my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; |
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($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 |
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|| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 |
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|| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 |
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|| $age > 700 * 86400 # 2 years for everybody else |
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} |
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sub check_playing { |
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my ($ns, $user) = @_; |
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return unless cf::player::find $user; |
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$ns->send_drawinfo ( |
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"That player is already logged in on this server. " |
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. "If you want to create a new player, choose another name. " |
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. "If you are already a registered player, make sure nobody " |
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. "else is using your account at this time. If you lost your conenction " |
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. "then the server will likely timeout within a minute. If you still " |
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. "cannot log-in after a minute, you are still logged in. Make sure " |
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. "you do not have another client running. If you use windows, reboot, " |
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. "this will fix anything.", |
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cf::NDI_RED |
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); |
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1 |
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} |
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# delete a player directory, be non-blocking AND synchronous... |
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# (thats hard, so we crap out and fork). |
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sub nuke_playerdir { |
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my ($user) = @_; |
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aio_stat "$PLAYERDIR/$user"; |
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system "cd \Q$PLAYERDIR\E " |
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. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " |
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. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; |
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} |
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sub on_addme { |
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my ($ns) = @_; |
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$ns->destroy if $ns->pl; |
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$ns->coro (sub { |
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my ($user, $pass); |
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$ns->send_packet ("addme_success"); |
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for (;;) { |
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$ns->send_drawinfo ( |
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"Please enter your username now. If you are a new user, " |
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. "make one up that describes your character best. " |
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. "Only letters and digits are allowed, though.", |
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cf::NDI_BLUE |
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); |
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# read username |
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while () { |
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$user = query $ns, 0, "What is your name?\n:"; |
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last if $user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/; |
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$ns->send_drawinfo ( |
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"Your username contains illegal characters " |
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. "(only a-z, A-Z and 0-9 are allowed), " |
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. "or is not between 3 and 18 characters in length.", |
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cf::NDI_RED |
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); |
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} |
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check_playing $ns, $user and next; |
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$ns->send_drawinfo ( |
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"Welcome $user, please enter your password now. " |
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. "New users should now choose a password. " |
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. "Anything your client lets you enter is fine.", |
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cf::NDI_BLUE |
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); |
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# read password |
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while () { |
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$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:"; |
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last if $pass =~ /.../; |
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$ns->send_drawinfo ( |
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"Try to use at least three characters as your password please, " |
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. "that cannot be too much to ask for :)", |
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cf::NDI_RED |
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); |
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} |
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check_playing $ns, $user and next; |
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my $dir = "$PLAYERDIR/$user"; |
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my $plfile = "$dir/$user.pl"; |
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# try to read the user file and check the password |
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if (my $fh = aio_open $plfile, O_RDONLY, 0) { |
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my $mtime = (stat $fh)[9]; |
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0 < aio_read $fh, 0, 16384, my $buf, 0 or next; |
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$buf =~ /^password (\S+)$/m or next; |
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my $hash = $1; |
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check_playing $ns, $user and next; |
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if ($hash eq crypt $pass, $hash) { |
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# password matches, wonderful |
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my $pl = cf::player::load $plfile or next; |
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$pl->enable_save (1); |
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$pl->connect ($ns); |
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last; |
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} |
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if (can_cleanup $buf, $mtime) { |
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Coro::Timer::sleep 1; |
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$ns->send_drawinfo ( |
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"Player exists, but password does not match. If this is you account, " |
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. "please try again. If not, you can now opt to take over this account " |
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. "because it has not been in-use for some time.", |
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cf::NDI_RED |
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); |
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(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ |
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or next; |
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# check if the file hasn't changed |
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aio_stat $plfile or next; |
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$mtime == (stat _)[9] or next; |
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# nuke playerdir, this might block, but it needs to be atomic |
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nuke_playerdir $user; |
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# fall through to creation |
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} else { |
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Coro::Timer::sleep 1; |
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$ns->send_drawinfo ( |
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"Wrong username or password. Please try again " |
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. "(check for Numlock and other semi-obvious error sources).", |
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cf::NDI_RED |
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); |
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next; |
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} |
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} |
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# the rest of this function is character creation |
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check_playing $ns, $user and next; |
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nuke_playerdir $user; |
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my $pl = cf::player::create; |
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$pl->ob->name ($user); |
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$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]); |
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$pl->connect ($ns); |
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my $ob = $pl->ob; |
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while () { |
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$ob->update_stats; |
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$pl->save_stats; |
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my $res = query $ns, cf::CS_QUERY_SINGLECHAR, |
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"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?"; |
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if ($res =~ /^[Nn]/) { |
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last; |
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} elsif ($res > 0 && $res <= 7) { |
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my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?"; |
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if ($swap > 0 && $swap <= 7) { |
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$ob->swap_stats ($res - 1, $swap - 1); |
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} |
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} else { |
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$ob->roll_stats; |
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} |
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} |
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$ob->set_animation (2); |
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$ob->add_statbonus; |
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$ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); |
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$ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, |
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"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"); |
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$ns->state (cf::ST_CHANGE_CLASS); |
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root |
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$pl->enable_save (1);#d# too early |
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root |
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last; |
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} |
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}); |
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} |
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cf::object->attach ( |
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type => cf::SAVEBED, |
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on_apply => sub { |
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my ($bed, $ob) = @_; |
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return cf::override 0 unless $ob->type == cf::PLAYER; |
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# update respawn position |
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$ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); |
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#TODO? |
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#strcpy (pl->contr->killer, "left"); |
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#check_score (pl); /* Always check score */ |
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$ob->reply (undef, "In the future, you will wake up here when you die."); |
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$ob->contr->save (); |
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$ob->contr->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { |
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if ($_[0] !~ /^[yY]/) { |
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$ob->contr->save (1); |
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$ob->contr->ns->destroy (); |
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root |
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} |
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}); |
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}, |
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); |
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cf::client->attach (package => __PACKAGE__); |
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