server/ext/login.ext

#! perl # MANDATORY

# login handling

use Fcntl;
use Coro::AIO;
use List::Util qw(min max);

# paranoia function to overwrite a string-in-place
sub nuke_str {
   substr $_[0], 0, (length $_[0]), "x" x length $_[0]
}

sub query {
   my ($ns, $flags, $text) = @_;

   my $current = $Coro::current;
   $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
   Coro::schedule while ref $current;

   $current
}

sub can_cleanup {
   my ($pl, $mtime) = @_;

   my $age = time - $mtime;
   my $level = $pl->ob->level;

   ($level <= 3 && $age > 7 * 86400)            # 7 days for level 0..3
   || ($level <= 9 && $age > 90 * 86400)        # 3 months for level 4..9
   || ($level <= 20 && $age > 180 * 86400)      # 6 months for level 10..20
   || $age > 700 * 86400                        # 2 years for everybody else
}

sub check_playing {
   my ($ns, $user) = @_;

   return unless cf::player::find_active $user;

   $ns->send_drawinfo (
      "That player is already logged in on this server. "
    . "If you want to create a new player, choose another name. "
    . "If you are already a registered player, make sure nobody "
    . "else is using your account at this time. If you lost your conenction "
    . "then the server will likely timeout within a minute. If you still "
    . "cannot log-in after a minute, you are still logged in. Make sure "
    . "you do not have another client running. If you use windows, reboot, "
    . "this will fix anything.",
      cf::NDI_RED
   );

   1
}

sub check_clean_save {
   my ($pl) = @_;

   if (my $time = delete $pl->{unclean_save}) {
      $pl->ns->send_drawinfo (
         "You didn't use a savebed to leave this realm. This is very dangerous, "
       . "as lots of things could happen when you leave by other means, such as cave-ins, "
       . "or monsters suddenly snapping your body. Better use a savebed next time.",
         cf::NDI_RED
      );
      #d#TODO
   }
}

# delete a player directory, be non-blocking AND synchronous...
# (thats hard, so we crap out and fork).
sub nuke_playerdir {
   my ($user) = @_;

   aio_stat "$PLAYERDIR/$user";
   system "cd \Q$PLAYERDIR\E "
        . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
        . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
}

sub send_capabilities {
   my ($ns) = @_;

   return unless $ns->extcmd;

   $ns->ext_event (capabilities =>
      # id, name, flags (1 == 2d), edge length
      tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
   );
}

sub setup {
   my ($ns, $args) = @_;

   # run through the cmds of setup
   # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
   # 
   # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
   # The client then must sort this out

   my %setup = split / +/, $args;
   while (my ($k, $v) = each %setup) {
      if ($k eq "sound") {
         $ns->sound ($v);

      } elsif ($k eq "exp64") {
         $setup{$k} = 1;

      } elsif ($k eq "spellmon") {
         $ns->monitor_spells ($v);

      } elsif ($k eq "darkness") {
         $ns->darkness ($v);

      } elsif ($k eq "map1cmd") {
         $ns->mapmode (cf::Map1Cmd) if $v > 0;

      } elsif ($k eq "map1acmd") {
         $ns->mapmode (cf::Map1aCmd) if $v > 0;

      } elsif ($k eq "map2cmd") {
         # gcfclient bug, map1acmd is sent too late
         $ns->mapmode (cf::Map1aCmd);
         $setup{$k} = "FALSE";

      } elsif ($k eq "newmapcmd") {
         $ns->newmapcmd ($v);

      } elsif ($k eq "mapinfocmd") {
         $ns->mapinfocmd ($v);

      } elsif ($k eq "extcmd") {
         $ns->extcmd ($v > 0);
         send_capabilities $ns;

      } elsif ($k eq "extmap") {
         $ns->extmap ($v);

      } elsif ($k eq "facecache") {
         if (!$v) {
            $v = 1;
            $setup{$k} = $v;
            $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
         }

         $ns->facecache ($v);

      } elsif ($k eq "faceset") {
         $ns->faceset (0);
         $setup{$k} = 0;
         # $ns->image2 (1)

      } elsif ($k eq "tileset") {
         $setup{$k} = $ns->faceset ($v & 1);

      } elsif ($k eq "itemcmd") {
         # Version of the item protocol command to use.  Currently,
         # only supported versions are 1 and 2.  Using a numeric
         # value will make it very easy to extend this in the future.
         $ns->itemcmd ($v) if $v >= 1 && $v <= 2;

         $setup{$k} = $ns->itemcmd;

      } elsif ($k eq "mapsize") {
         my ($x, $y) = split /x/, $v;

         $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
         $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);

         $setup{$k} = "${x}x${y}";

      } elsif ($k eq "extendedMapInfos") {
         $ns->ext_mapinfos ($v);

      } elsif ($k eq "extendedTextInfos") {
         $ns->has_readable_type ($v);

      } elsif ($k eq "smoothing") { # cfplus-style smoothing
         $ns->smoothing ($v);

      } elsif ($k eq "fxix") {
         $ns->fxix ($v);

      } elsif ($k eq "msg") {
         $ns->can_msg ($v);

      } elsif ($k eq "excmd") {
         # we support it

      } else {
         # other commands:
         # sexp: no idea, probably for oudated servers
         # tick: more stupidity, server should send a tick per tick

         $setup{$k} = "FALSE";
      }
    }

  $ns->send_packet (join " ", setup => %setup);

  cf::datalog setup =>
     request => $args,
     reply   => \%setup,
     client  => $ns->version,
  ;
}

sub addme {
   my ($ns) = @_;

  if (!$ns->facecache)
    {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client does not support face/image caching,
*** or it has been disabled. Face caching is mandatory
*** so please enable it or use a newer client.
***
*** Look at your client preferences:
***
*** CFPlus: all known versions automatically enable the facecache.
*** cfclient: use the -cache commandline option.
*** cfclient: map will not redraw automatically (bug).
*** gcfclient: use -cache commandline option, or enable
*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
*** jcrossclient: your client is broken, use CFPlus or gcfclient.
***
***
EOF
      if ($ns->version =~ /jcrossclient/) {
         # let them, for now
      } else {
        $ns->flush;
        return $ns->destroy;
      }

      # $ns->facecache = true;
   }

   if ($ns->mapmode < cf::Map1aCmd) {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client is too old. Please upgrade to a newer version.
EOF

      $ns->flush;
      return $ns->destroy;
   }

   $ns->pl and return $ns->destroy;

   $ns->async (sub {
      my ($user, $pass);

      $ns->send_packet ("addme_success");

      for (;;) {
         $ns->send_drawinfo (
            "Please enter your username now. If you are a new user, "
          . "make one up that describes your character best. "
          . "Only letters and digits are allowed, though.",
            cf::NDI_BLUE
         );

         # read username
         while () {
            $user = query $ns, 0, "What is your name?\n:";

            if ($cf::LOGIN_LOCK{$user}) {
               $ns->send_drawinfo (
                  "That username is currently used in another login session. "
                . "Chose another, or wait till the other session has ended.",
                  cf::NDI_RED
               );
            } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
               last;
            } else {
               $ns->send_drawinfo (
                  "Your username contains illegal characters "
                . "(only a-z, A-Z and 0-9 are allowed), "
                . "or is not between 3 and 18 characters in length.",
                  cf::NDI_RED
               );
            }
         }

         check_playing $ns, $user and next;

         $ns->send_drawinfo (
            "Welcome $user, please enter your password now. "
          . "New users should now choose a password. "
          . "Anything your client lets you enter is fine.",
            cf::NDI_BLUE
         );

         # read password
         while () {
            $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
            last if $pass =~ /.../;
            $ns->send_drawinfo (
               "Try to use at least three characters as your password please, "
             . "that cannot be too much to ask for :)",
               cf::NDI_RED
            );
         }

         # lock this username for the remainder of this login session
         if ($cf::LOGIN_LOCK{$user}) {
            $ns->send_drawinfo (
               "That username is currently used in another login session. "
             . "Chose another, or wait till the other session has ended.",
               cf::NDI_RED
            );
            next;
         }
         local $cf::LOGIN_LOCK{$user} = 1;

         check_playing $ns, $user and next;

         # try to read the user file and check the password
         if (my $pl = cf::player::find $user) {
            aio_stat $pl->path and next;
            my $mtime = (stat _)[9];
            my $hash = $pl->password;

            if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
               nuke_str $pass;
               # password matches, wonderful
               my $pl = cf::player::find $user or next;
               $pl->connect ($ns);
               check_clean_save $pl;
               last;
            } elsif (can_cleanup $pl, $mtime) {
               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Player exists, but password does not match. If this is your account, "
                . "please try again. If not, you can now decide to take over this account "
                . "because it has not been in-use for some time.",
                  cf::NDI_RED
               );

               #TODO: nuke_str
               (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
                  or next;

               # check if the file hasn't changed
               aio_stat cf::player::path $user and next;
               $mtime == (stat _)[9] or next;

               $pl->quit_character;

               # fall through to creation
            } else {
               nuke_str $pass;

               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Wrong username or password. Please try again "
                . "(check for Numlock and other semi-obvious error sources).",
                  cf::NDI_RED
               );
               next;
            }
         } else {
            # unable to load the playerfile:
            # check wether the player dir exists, which means the file is corrupted or
            # something very similar.
            if (!aio_stat cf::player::playerdir $user) {
               $ns->send_drawinfo (
                  "Unable to retrieve this player. It might be a locked or broken account. "
                . "If this is your account, ask a dungeon master for assistance. "
                . "Otherwise choose a different login name.",
                  cf::NDI_RED
               );
               next;
            }
         }

         # the rest of this function is character creation

         # just to make sure nothing is left over
         nuke_playerdir $user;

         my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";

         if ($pass2 ne $pass) {
            nuke_str $pass;
            nuke_str $pass2;
            $ns->send_drawinfo (
               "The passwords do not match, please try again.",
               cf::NDI_RED
            );
            next;
         }

         nuke_str $pass2;

         my $pl = cf::player::new $user;
         $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
         nuke_str $pass;
         $pl->connect ($ns);

         my $ob = $pl->ob;

         while () {
            $ob->update_stats;
            $pl->save_stats;

            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";

            if ($res =~ /^[Nn]/) {
               last;
            } elsif ($res > 0 && $res <= 7) {
               my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";

               if ($swap > 0 && $swap <= 7) {
                  $ob->swap_stats ($res - 1, $swap - 1);
               }
            } else {
               $ob->roll_stats;
            }
         }

         $ob->set_animation (2);
         $ob->add_statbonus;

         while () {
            $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
            my $msg = $ob->msg;
            $msg =~ s/(?<=\S)\n(?=\S)/ /g;
            $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);

            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";

            last if $res =~ /[dD]/;

            $pl->chargen_race_next;
         }

         $pl->chargen_race_done;

         delete $pl->{deny_save};

         last;
      }
   });
}

cf::register_command quit => sub {
   my ($ob, $arg) = @_;

   $ob->reply (undef,
               "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
               . "If you are sure you want to do this, then use the quit_character command instead of quit.",
               cf::NDI_UNIQUE | cf::NDI_RED);
};

cf::register_command quit_character => sub {
   my ($ob, $arg) = @_;

   my $pl = $ob->contr;

   $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
      if ($_[0] !~ /^[yY]/) {
         $ob->reply (undef,
                     "Ok, not not quitting then.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
      } else {
         $ob->reply (undef,
                     "Ok, quitting, hope to see you again.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
         $pl->ns->flush;
         cf::async { $pl->quit_character };
      }
   });
};

cf::object->attach (
   type     => cf::SAVEBED,
   on_apply => sub {
      my ($bed, $ob) = @_;

      return cf::override 0 unless $ob->type == cf::PLAYER;

      my $pl = $ob->contr;

      # update respawn position
      $pl->savebed ($bed->map->path, $bed->x, $bed->y);
      cf::async { $pl->save };

      $pl->killer ("left");
      $ob->check_score;

      $ob->reply (undef, "In the future, you will wake up here when you die.");

      $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
         if ($_[0] !~ /^[yY]/) {
            $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
            $pl->deactivate;
            $pl->ns->destroy;
         } else {
            cf::async { $pl->save };
         }
      });
   },
);

cf::player->attach (
   on_login  => sub {
      my ($pl) = @_;
      my $name = $pl->ob->name;

      $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
   },
   on_logout => sub {
      my ($pl, $cleanly) = @_;
      my $name = $pl->ob->name;

      if ($cleanly) {
         $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
      } else {
         $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
         $pl->{unclean_save} = $cf::RUNTIME;
      }
   },
);

cf::client->attach (
   on_addme => \&addme,
   on_setup => \&setup,
);

#############################################################################

our $SCHEDULE_INTERVAL  =  10; # time the player scheduler sleeps between runs
our $SAVE_TIMEOUT       =  20; # save players every n seconds

our $SCHEDULER = cf::async_ext {
   my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
   while () {
      $schedule_interval->next;

      # this weird form of iteration over values is used because
      # the hash changes underneath us frequently, and for
      # keeps a direct reference to the value without (in 5.8 perls)
      # keeping a reference, so this is prone to crashes or worse.
      my @players = keys %cf::PLAYER;
      for (@players) {
         my $pl = $cf::PLAYER{$_}
            or next;
         $pl->valid or next;

         eval {
            if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
               cf::wait_for_tick_begin;
               $pl->save;

               unless ($pl->active) {
                  # check refcounts, this is tricky and needs to be adjusted to fit server internals
                  my $ob = $pl->ob;
                  Scalar::Util::weaken $pl;
                  Scalar::Util::weaken $ob;
                  my $a_ = $pl->refcnt;#d#
                  my $b_ = $ob->refcnt;#d#
                  my $pl_ref = $pl->refcnt_cnt;
                  my $ob_ref = $ob->refcnt_cnt;

                  ## pl_ref == one from object + one from cf::PLAYER
                  ## ob_ref == one from simply being an object
                  if ($pl_ref == 2 && $ob_ref == 1) {
                     warn "player-scheduler destroy ", $ob->name;#d#

                     # remove from sight and get fresh "copies"
                     $pl = delete $cf::PLAYER{$ob->name};
                     $ob = $pl->ob;

                     $ob->destroy;
                     $pl->destroy;
                  } else {
                     warn "player-scheduler refcnt ", $ob->name, " pp$pl_ref,pc$a_ op$ob_ref,oc$b_\n";#d#
                  }
               }
            }
         };
         warn $@ if $@;
         Coro::cede;
      };
   }
};

$SCHEDULER->prio (1);

Revision:	1.47
Committed:	Fri Apr 27 17:16:13 2007 UTC (17 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.46:	+1 -1 lines
Log Message:	remove a source for relatively useless refcounts being kept on players
#	User	Rev	Content
1	root	1.25	#! perl # MANDATORY
2	root	1.1
3			# login handling
4
5			use Fcntl;
6			use Coro::AIO;
7	root	1.32	use List::Util qw(min max);
8	root	1.1
9	root	1.9	# paranoia function to overwrite a string-in-place
10			sub nuke_str {
11			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
12			}
13	root	1.1
14			sub query {
15			my ($ns, $flags, $text) = @_;
16
17			my $current = $Coro::current;
18	root	1.38	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
19	root	1.1	Coro::schedule while ref $current;
20
21			$current
22			}
23
24			sub can_cleanup {
25	root	1.19	my ($pl, $mtime) = @_;
26	root	1.1
27			my $age = time - $mtime;
28	root	1.19	my $level = $pl->ob->level;
29	root	1.1
30			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
31			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
32			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
33			\|\| $age > 700 * 86400 # 2 years for everybody else
34			}
35
36			sub check_playing {
37			my ($ns, $user) = @_;
38
39	root	1.11	return unless cf::player::find_active $user;
40	root	1.1
41			$ns->send_drawinfo (
42			"That player is already logged in on this server. "
43			. "If you want to create a new player, choose another name. "
44			. "If you are already a registered player, make sure nobody "
45			. "else is using your account at this time. If you lost your conenction "
46			. "then the server will likely timeout within a minute. If you still "
47			. "cannot log-in after a minute, you are still logged in. Make sure "
48			. "you do not have another client running. If you use windows, reboot, "
49			. "this will fix anything.",
50			cf::NDI_RED
51			);
52
53			1
54			}
55
56	root	1.11	sub check_clean_save {
57			my ($pl) = @_;
58
59	root	1.26	if (my $time = delete $pl->{unclean_save}) {
60			$pl->ns->send_drawinfo (
61			"You didn't use a savebed to leave this realm. This is very dangerous, "
62			. "as lots of things could happen when you leave by other means, such as cave-ins, "
63			. "or monsters suddenly snapping your body. Better use a savebed next time.",
64			cf::NDI_RED
65			);
66	root	1.11	#d#TODO
67			}
68			}
69
70	root	1.1	# delete a player directory, be non-blocking AND synchronous...
71			# (thats hard, so we crap out and fork).
72			sub nuke_playerdir {
73			my ($user) = @_;
74
75			aio_stat "$PLAYERDIR/$user";
76			system "cd \Q$PLAYERDIR\E "
77			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
78			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
79			}
80
81	root	1.35	sub send_capabilities {
82			my ($ns) = @_;
83
84			return unless $ns->extcmd;
85
86			$ns->ext_event (capabilities =>
87			# id, name, flags (1 == 2d), edge length
88			tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
89			);
90			}
91
92	root	1.33	sub setup {
93			my ($ns, $args) = @_;
94
95			# run through the cmds of setup
96			# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
97			#
98			# we send the status of the cmd back, or a FALSE is the cmd is the server unknown
99			# The client then must sort this out
100
101			my %setup = split / +/, $args;
102			while (my ($k, $v) = each %setup) {
103			if ($k eq "sound") {
104	root	1.43	$ns->sound ($v);
105	root	1.33
106			} elsif ($k eq "exp64") {
107	root	1.43	$setup{$k} = 1;
108	root	1.33
109			} elsif ($k eq "spellmon") {
110	root	1.43	$ns->monitor_spells ($v);
111	root	1.33
112			} elsif ($k eq "darkness") {
113	root	1.43	$ns->darkness ($v);
114	root	1.33
115			} elsif ($k eq "map1cmd") {
116	root	1.43	$ns->mapmode (cf::Map1Cmd) if $v > 0;
117	root	1.33
118			} elsif ($k eq "map1acmd") {
119	root	1.43	$ns->mapmode (cf::Map1aCmd) if $v > 0;
120	root	1.33
121			} elsif ($k eq "map2cmd") {
122	root	1.43	# gcfclient bug, map1acmd is sent too late
123			$ns->mapmode (cf::Map1aCmd);
124			$setup{$k} = "FALSE";
125	root	1.33
126			} elsif ($k eq "newmapcmd") {
127	root	1.43	$ns->newmapcmd ($v);
128	root	1.33
129			} elsif ($k eq "mapinfocmd") {
130	root	1.43	$ns->mapinfocmd ($v);
131	root	1.33
132			} elsif ($k eq "extcmd") {
133	root	1.43	$ns->extcmd ($v > 0);
134			send_capabilities $ns;
135	root	1.33
136			} elsif ($k eq "extmap") {
137	root	1.43	$ns->extmap ($v);
138	root	1.33
139			} elsif ($k eq "facecache") {
140	root	1.43	if (!$v) {
141			$v = 1;
142			$setup{$k} = $v;
143			$ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
144			}
145	root	1.40
146	root	1.43	$ns->facecache ($v);
147	root	1.33
148			} elsif ($k eq "faceset") {
149	root	1.43	$ns->faceset (0);
150			$setup{$k} = 0;
151			# $ns->image2 (1)
152	root	1.33
153	root	1.35	} elsif ($k eq "tileset") {
154	root	1.43	$setup{$k} = $ns->faceset ($v & 1);
155	root	1.35
156	root	1.33	} elsif ($k eq "itemcmd") {
157	root	1.43	# Version of the item protocol command to use. Currently,
158			# only supported versions are 1 and 2. Using a numeric
159			# value will make it very easy to extend this in the future.
160			$ns->itemcmd ($v) if $v >= 1 && $v <= 2;
161	root	1.33
162	root	1.43	$setup{$k} = $ns->itemcmd;
163	root	1.33
164			} elsif ($k eq "mapsize") {
165	root	1.43	my ($x, $y) = split /x/, $v;
166	root	1.33
167	root	1.43	$ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) \| 1);
168			$ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) \| 1);
169	root	1.33
170	root	1.43	$setup{$k} = "${x}x${y}";
171	root	1.33
172			} elsif ($k eq "extendedMapInfos") {
173	root	1.43	$ns->ext_mapinfos ($v);
174	root	1.33
175			} elsif ($k eq "extendedTextInfos") {
176	root	1.43	$ns->has_readable_type ($v);
177	root	1.33
178	root	1.38	} elsif ($k eq "smoothing") { # cfplus-style smoothing
179	root	1.43	$ns->smoothing ($v);
180	root	1.38
181	root	1.34	} elsif ($k eq "fxix") {
182	root	1.43	$ns->fxix ($v);
183
184			} elsif ($k eq "msg") {
185	root	1.45	$ns->can_msg ($v);
186	root	1.34
187	root	1.44	} elsif ($k eq "excmd") {
188			# we support it
189
190	root	1.33	} else {
191	root	1.43	# other commands:
192			# sexp: no idea, probably for oudated servers
193	root	1.45	# tick: more stupidity, server should send a tick per tick
194	root	1.33
195	root	1.43	$setup{$k} = "FALSE";
196	root	1.33	}
197			}
198
199			$ns->send_packet (join " ", setup => %setup);
200
201			cf::datalog setup =>
202			request => $args,
203			reply => \%setup,
204			client => $ns->version,
205			;
206			}
207
208	root	1.8	sub addme {
209	root	1.1	my ($ns) = @_;
210
211	root	1.32	if (!$ns->facecache)
212			{
213			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
214
215
216			***
217			*** WARNING:
218			*** Your client does not support face/image caching,
219			*** or it has been disabled. Face caching is mandatory
220			*** so please enable it or use a newer client.
221			***
222			*** Look at your client preferences:
223			***
224			*** CFPlus: all known versions automatically enable the facecache.
225			*** cfclient: use the -cache commandline option.
226			*** cfclient: map will not redraw automatically (bug).
227			*** gcfclient: use -cache commandline option, or enable
228			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
229			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
230			***
231			***
232			EOF
233			if ($ns->version =~ /jcrossclient/) {
234			# let them, for now
235			} else {
236			$ns->flush;
237			return $ns->destroy;
238			}
239
240			# $ns->facecache = true;
241	root	1.33	}
242
243			if ($ns->mapmode < cf::Map1aCmd) {
244			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
245
246
247			***
248			*** WARNING:
249			*** Your client is too old. Please upgrade to a newer version.
250			EOF
251
252			$ns->flush;
253			return $ns->destroy;
254			}
255	root	1.32
256			$ns->pl and return $ns->destroy;
257	root	1.1
258	root	1.10	$ns->async (sub {
259	root	1.1	my ($user, $pass);
260
261			$ns->send_packet ("addme_success");
262
263			for (;;) {
264			$ns->send_drawinfo (
265			"Please enter your username now. If you are a new user, "
266			. "make one up that describes your character best. "
267			. "Only letters and digits are allowed, though.",
268			cf::NDI_BLUE
269			);
270
271			# read username
272			while () {
273			$user = query $ns, 0, "What is your name?\n:";
274	root	1.3
275			if ($cf::LOGIN_LOCK{$user}) {
276			$ns->send_drawinfo (
277			"That username is currently used in another login session. "
278			. "Chose another, or wait till the other session has ended.",
279			cf::NDI_RED
280			);
281	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
282	root	1.3	last;
283			} else {
284			$ns->send_drawinfo (
285			"Your username contains illegal characters "
286			. "(only a-z, A-Z and 0-9 are allowed), "
287			. "or is not between 3 and 18 characters in length.",
288			cf::NDI_RED
289			);
290			}
291	root	1.1	}
292
293			check_playing $ns, $user and next;
294
295			$ns->send_drawinfo (
296			"Welcome $user, please enter your password now. "
297			. "New users should now choose a password. "
298			. "Anything your client lets you enter is fine.",
299			cf::NDI_BLUE
300			);
301
302			# read password
303			while () {
304			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
305			last if $pass =~ /.../;
306			$ns->send_drawinfo (
307			"Try to use at least three characters as your password please, "
308			. "that cannot be too much to ask for :)",
309			cf::NDI_RED
310			);
311			}
312
313	root	1.3	# lock this username for the remainder of this login session
314			if ($cf::LOGIN_LOCK{$user}) {
315			$ns->send_drawinfo (
316			"That username is currently used in another login session. "
317			. "Chose another, or wait till the other session has ended.",
318			cf::NDI_RED
319			);
320			next;
321			}
322			local $cf::LOGIN_LOCK{$user} = 1;
323
324			check_playing $ns, $user and next;
325
326	root	1.1	# try to read the user file and check the password
327	root	1.19	if (my $pl = cf::player::find $user) {
328			aio_stat $pl->path and next;
329			my $mtime = (stat _)[9];
330			my $hash = $pl->password;
331	root	1.1
332	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
333	root	1.9	nuke_str $pass;
334	root	1.1	# password matches, wonderful
335	root	1.11	my $pl = cf::player::find $user or next;
336	root	1.1	$pl->connect ($ns);
337	root	1.11	check_clean_save $pl;
338	root	1.1	last;
339	root	1.19	} elsif (can_cleanup $pl, $mtime) {
340	root	1.1	Coro::Timer::sleep 1;
341
342			$ns->send_drawinfo (
343	root	1.3	"Player exists, but password does not match. If this is your account, "
344			. "please try again. If not, you can now decide to take over this account "
345	root	1.1	. "because it has not been in-use for some time.",
346			cf::NDI_RED
347			);
348
349	root	1.9	#TODO: nuke_str
350	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
351			or next;
352
353			# check if the file hasn't changed
354	root	1.11	aio_stat cf::player::path $user and next;
355	root	1.1	$mtime == (stat _)[9] or next;
356
357	root	1.19	$pl->quit_character;
358	root	1.1
359			# fall through to creation
360			} else {
361	root	1.9	nuke_str $pass;
362
363	root	1.1	Coro::Timer::sleep 1;
364
365			$ns->send_drawinfo (
366			"Wrong username or password. Please try again "
367			. "(check for Numlock and other semi-obvious error sources).",
368			cf::NDI_RED
369			);
370			next;
371			}
372	root	1.37	} else {
373			# unable to load the playerfile:
374			# check wether the player dir exists, which means the file is corrupted or
375			# something very similar.
376			if (!aio_stat cf::player::playerdir $user) {
377			$ns->send_drawinfo (
378			"Unable to retrieve this player. It might be a locked or broken account. "
379			. "If this is your account, ask a dungeon master for assistance. "
380			. "Otherwise choose a different login name.",
381			cf::NDI_RED
382			);
383			next;
384			}
385	root	1.1	}
386
387			# the rest of this function is character creation
388
389	root	1.3	# just to make sure nothing is left over
390	root	1.1	nuke_playerdir $user;
391
392	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
393
394			if ($pass2 ne $pass) {
395	root	1.9	nuke_str $pass;
396			nuke_str $pass2;
397	root	1.3	$ns->send_drawinfo (
398			"The passwords do not match, please try again.",
399			cf::NDI_RED
400			);
401			next;
402			}
403
404	root	1.9	nuke_str $pass2;
405
406	root	1.11	my $pl = cf::player::new $user;
407	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
408	root	1.9	nuke_str $pass;
409	root	1.1	$pl->connect ($ns);
410	root	1.3
411	root	1.1	my $ob = $pl->ob;
412
413			while () {
414			$ob->update_stats;
415			$pl->save_stats;
416
417			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
418			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
419
420			if ($res =~ /^[Nn]/) {
421			last;
422			} elsif ($res > 0 && $res <= 7) {
423			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
424
425			if ($swap > 0 && $swap <= 7) {
426			$ob->swap_stats ($res - 1, $swap - 1);
427			}
428			} else {
429			$ob->roll_stats;
430			}
431			}
432
433			$ob->set_animation (2);
434			$ob->add_statbonus;
435
436	root	1.45	while () {
437			$ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
438			my $msg = $ob->msg;
439	root	1.46	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
440	root	1.45	$ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
441
442			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
443			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
444
445			last if $res =~ /[dD]/;
446
447			$pl->chargen_race_next;
448			}
449
450			$pl->chargen_race_done;
451	root	1.1
452	root	1.45	delete $pl->{deny_save};
453	root	1.1
454			last;
455			}
456			});
457			}
458
459	root	1.12	cf::register_command quit => sub {
460			my ($ob, $arg) = @_;
461
462			$ob->reply (undef,
463			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
464			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
465			cf::NDI_UNIQUE \| cf::NDI_RED);
466			};
467
468			cf::register_command quit_character => sub {
469			my ($ob, $arg) = @_;
470
471			my $pl = $ob->contr;
472
473			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
474			if ($_[0] !~ /^[yY]/) {
475			$ob->reply (undef,
476			"Ok, not not quitting then.",
477			cf::NDI_UNIQUE \| cf::NDI_RED);
478			} else {
479			$ob->reply (undef,
480			"Ok, quitting, hope to see you again.",
481			cf::NDI_UNIQUE \| cf::NDI_RED);
482			$pl->ns->flush;
483	root	1.31	cf::async { $pl->quit_character };
484	root	1.12	}
485			});
486			};
487	root	1.11
488	root	1.1	cf::object->attach (
489			type => cf::SAVEBED,
490			on_apply => sub {
491			my ($bed, $ob) = @_;
492
493			return cf::override 0 unless $ob->type == cf::PLAYER;
494
495	root	1.15	my $pl = $ob->contr;
496	root	1.11
497	root	1.1	# update respawn position
498	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
499	root	1.22	cf::async { $pl->save };
500	root	1.1
501	root	1.11	$pl->killer ("left");
502	root	1.5	$ob->check_score;
503	root	1.1
504			$ob->reply (undef, "In the future, you will wake up here when you die.");
505
506	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
507	root	1.6	if ($_[0] !~ /^[yY]/) {
508	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
509			$pl->deactivate;
510			$pl->ns->destroy;
511	root	1.7	} else {
512	root	1.13	cf::async { $pl->save };
513	root	1.6	}
514	root	1.1	});
515			},
516			);
517
518	root	1.8	cf::player->attach (
519			on_login => sub {
520			my ($pl) = @_;
521			my $name = $pl->ob->name;
522
523			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
524			},
525			on_logout => sub {
526			my ($pl, $cleanly) = @_;
527			my $name = $pl->ob->name;
528
529			if ($cleanly) {
530			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
531			} else {
532			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
533	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
534	root	1.8	}
535			},
536			);
537
538			cf::client->attach (
539			on_addme => \&addme,
540	root	1.32	on_setup => \&setup,
541	root	1.8	);
542	root	1.1
543	root	1.11	#############################################################################
544
545	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
546			our $SAVE_TIMEOUT = 20; # save players every n seconds
547	root	1.11
548			our $SCHEDULER = cf::async_ext {
549	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
550	root	1.11	while () {
551	root	1.27	$schedule_interval->next;
552	root	1.11
553			# this weird form of iteration over values is used because
554			# the hash changes underneath us frequently, and for
555			# keeps a direct reference to the value without (in 5.8 perls)
556			# keeping a reference, so this is prone to crashes or worse.
557			my @players = keys %cf::PLAYER;
558			for (@players) {
559			my $pl = $cf::PLAYER{$_}
560			or next;
561			$pl->valid or next;
562
563			eval {
564			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
565	root	1.39	cf::wait_for_tick_begin;
566	root	1.11	$pl->save;
567	root	1.17
568	root	1.21	unless ($pl->active) {
569			# check refcounts, this is tricky and needs to be adjusted to fit server internals
570			my $ob = $pl->ob;
571			Scalar::Util::weaken $pl;
572			Scalar::Util::weaken $ob;
573	root	1.23	my $a_ = $pl->refcnt;#d#
574			my $b_ = $ob->refcnt;#d#
575	root	1.21	my $pl_ref = $pl->refcnt_cnt;
576			my $ob_ref = $ob->refcnt_cnt;
577
578	root	1.20	## pl_ref == one from object + one from cf::PLAYER
579			## ob_ref == one from simply being an object
580	root	1.29	if ($pl_ref == 2 && $ob_ref == 1) {
581	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
582
583			# remove from sight and get fresh "copies"
584			$pl = delete $cf::PLAYER{$ob->name};
585			$ob = $pl->ob;
586
587			$ob->destroy;
588			$pl->destroy;
589			} else {
590	root	1.47	warn "player-scheduler refcnt ", $ob->name, " pp$pl_ref,pc$a_ op$ob_ref,oc$b_\n";#d#
591	root	1.21	}
592	root	1.17	}
593			}
594	root	1.11	};
595			warn $@ if $@;
596			Coro::cede;
597			};
598			}
599			};
600
601			$SCHEDULER->prio (1);
602