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);

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

         $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
         $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
                      "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");

         $ns->state (cf::ST_CHANGE_CLASS);
         delete $pl->{deny_save};#d# too early

         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, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
                  }
               }
            }
         };
         warn $@ if $@;
         Coro::cede;
      };
   }
};

$SCHEDULER->prio (1);

Revision:	1.42
Committed:	Wed Apr 18 17:32:06 2007 UTC (17 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.41:	+0 -2 lines
Log Message:	meet our new pod fucntionality, certainly not finished :) let me also introduce the beginnings of a new help command
#	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			$ns->sound ($v);
105
106			} elsif ($k eq "exp64") {
107			$setup{$k} = 1;
108
109			} elsif ($k eq "spellmon") {
110			$ns->monitor_spells ($v);
111
112			} elsif ($k eq "darkness") {
113			$ns->darkness ($v);
114
115			} elsif ($k eq "map1cmd") {
116			$ns->mapmode (cf::Map1Cmd) if $v > 0;
117
118			} elsif ($k eq "map1acmd") {
119			$ns->mapmode (cf::Map1aCmd) if $v > 0;
120
121			} elsif ($k eq "map2cmd") {
122			# gcfclient bug, map1acmd is sent too late
123			$ns->mapmode (cf::Map1aCmd);
124			$setup{$k} = "FALSE";
125
126			} elsif ($k eq "newmapcmd") {
127			$ns->newmapcmd ($v);
128
129			} elsif ($k eq "mapinfocmd") {
130			$ns->mapinfocmd ($v);
131
132			} elsif ($k eq "extcmd") {
133			$ns->extcmd ($v > 0);
134	root	1.35	send_capabilities $ns;
135	root	1.33
136			} elsif ($k eq "extmap") {
137			$ns->extmap ($v);
138
139			} elsif ($k eq "facecache") {
140	root	1.40	if (!$v) {
141			$v = 1;
142			$setup{$k} = $v;
143	root	1.41	$ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
144	root	1.40	}
145
146	root	1.33	$ns->facecache ($v);
147
148			} elsif ($k eq "faceset") {
149			$ns->faceset (0);
150			$setup{$k} = 0;
151			# $ns->image2 (1)
152
153	root	1.35	} elsif ($k eq "tileset") {
154			$setup{$k} = $ns->faceset ($v & 1);
155
156	root	1.33	} elsif ($k eq "itemcmd") {
157			# 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
162			$setup{$k} = $ns->itemcmd;
163
164			} elsif ($k eq "mapsize") {
165			my ($x, $y) = split /x/, $v;
166
167	root	1.36	$ns->mapx ($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			$setup{$k} = "${x}x${y}";
171
172			} elsif ($k eq "extendedMapInfos") {
173			$ns->ext_mapinfos ($v);
174
175			} elsif ($k eq "extendedTextInfos") {
176			$ns->has_readable_type ($v);
177
178	root	1.38	} elsif ($k eq "smoothing") { # cfplus-style smoothing
179			$ns->smoothing ($v);
180
181	root	1.34	} elsif ($k eq "fxix") {
182			$ns->fxix ($v);
183
184	root	1.33	} else {
185			# other commands:
186			# sexp: no idea, probably for oudated servers
187			# tick: more stupidity, server should sned a tick per tick
188
189			$setup{$k} = "FALSE";
190			}
191			}
192
193			$ns->send_packet (join " ", setup => %setup);
194
195			cf::datalog setup =>
196			request => $args,
197			reply => \%setup,
198			client => $ns->version,
199			;
200			}
201
202	root	1.8	sub addme {
203	root	1.1	my ($ns) = @_;
204
205	root	1.32	if (!$ns->facecache)
206			{
207			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
208
209
210			***
211			*** WARNING:
212			*** Your client does not support face/image caching,
213			*** or it has been disabled. Face caching is mandatory
214			*** so please enable it or use a newer client.
215			***
216			*** Look at your client preferences:
217			***
218			*** CFPlus: all known versions automatically enable the facecache.
219			*** cfclient: use the -cache commandline option.
220			*** cfclient: map will not redraw automatically (bug).
221			*** gcfclient: use -cache commandline option, or enable
222			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
223			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
224			***
225			***
226			EOF
227			if ($ns->version =~ /jcrossclient/) {
228			# let them, for now
229			} else {
230			$ns->flush;
231			return $ns->destroy;
232			}
233
234			# $ns->facecache = true;
235	root	1.33	}
236
237			if ($ns->mapmode < cf::Map1aCmd) {
238			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
239
240
241			***
242			*** WARNING:
243			*** Your client is too old. Please upgrade to a newer version.
244			EOF
245
246			$ns->flush;
247			return $ns->destroy;
248			}
249	root	1.32
250			$ns->pl and return $ns->destroy;
251	root	1.1
252	root	1.10	$ns->async (sub {
253	root	1.1	my ($user, $pass);
254
255			$ns->send_packet ("addme_success");
256
257			for (;;) {
258			$ns->send_drawinfo (
259			"Please enter your username now. If you are a new user, "
260			. "make one up that describes your character best. "
261			. "Only letters and digits are allowed, though.",
262			cf::NDI_BLUE
263			);
264
265			# read username
266			while () {
267			$user = query $ns, 0, "What is your name?\n:";
268	root	1.3
269			if ($cf::LOGIN_LOCK{$user}) {
270			$ns->send_drawinfo (
271			"That username is currently used in another login session. "
272			. "Chose another, or wait till the other session has ended.",
273			cf::NDI_RED
274			);
275	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
276	root	1.3	last;
277			} else {
278			$ns->send_drawinfo (
279			"Your username contains illegal characters "
280			. "(only a-z, A-Z and 0-9 are allowed), "
281			. "or is not between 3 and 18 characters in length.",
282			cf::NDI_RED
283			);
284			}
285	root	1.1	}
286
287			check_playing $ns, $user and next;
288
289			$ns->send_drawinfo (
290			"Welcome $user, please enter your password now. "
291			. "New users should now choose a password. "
292			. "Anything your client lets you enter is fine.",
293			cf::NDI_BLUE
294			);
295
296			# read password
297			while () {
298			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
299			last if $pass =~ /.../;
300			$ns->send_drawinfo (
301			"Try to use at least three characters as your password please, "
302			. "that cannot be too much to ask for :)",
303			cf::NDI_RED
304			);
305			}
306
307	root	1.3	# lock this username for the remainder of this login session
308			if ($cf::LOGIN_LOCK{$user}) {
309			$ns->send_drawinfo (
310			"That username is currently used in another login session. "
311			. "Chose another, or wait till the other session has ended.",
312			cf::NDI_RED
313			);
314			next;
315			}
316			local $cf::LOGIN_LOCK{$user} = 1;
317
318			check_playing $ns, $user and next;
319
320	root	1.1	# try to read the user file and check the password
321	root	1.19	if (my $pl = cf::player::find $user) {
322			aio_stat $pl->path and next;
323			my $mtime = (stat _)[9];
324			my $hash = $pl->password;
325	root	1.1
326	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
327	root	1.9	nuke_str $pass;
328	root	1.1	# password matches, wonderful
329	root	1.11	my $pl = cf::player::find $user or next;
330	root	1.1	$pl->connect ($ns);
331	root	1.11	check_clean_save $pl;
332	root	1.1	last;
333	root	1.19	} elsif (can_cleanup $pl, $mtime) {
334	root	1.1	Coro::Timer::sleep 1;
335
336			$ns->send_drawinfo (
337	root	1.3	"Player exists, but password does not match. If this is your account, "
338			. "please try again. If not, you can now decide to take over this account "
339	root	1.1	. "because it has not been in-use for some time.",
340			cf::NDI_RED
341			);
342
343	root	1.9	#TODO: nuke_str
344	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
345			or next;
346
347			# check if the file hasn't changed
348	root	1.11	aio_stat cf::player::path $user and next;
349	root	1.1	$mtime == (stat _)[9] or next;
350
351	root	1.19	$pl->quit_character;
352	root	1.1
353			# fall through to creation
354			} else {
355	root	1.9	nuke_str $pass;
356
357	root	1.1	Coro::Timer::sleep 1;
358
359			$ns->send_drawinfo (
360			"Wrong username or password. Please try again "
361			. "(check for Numlock and other semi-obvious error sources).",
362			cf::NDI_RED
363			);
364			next;
365			}
366	root	1.37	} else {
367			# unable to load the playerfile:
368			# check wether the player dir exists, which means the file is corrupted or
369			# something very similar.
370			if (!aio_stat cf::player::playerdir $user) {
371			$ns->send_drawinfo (
372			"Unable to retrieve this player. It might be a locked or broken account. "
373			. "If this is your account, ask a dungeon master for assistance. "
374			. "Otherwise choose a different login name.",
375			cf::NDI_RED
376			);
377			next;
378			}
379	root	1.1	}
380
381			# the rest of this function is character creation
382
383	root	1.3	# just to make sure nothing is left over
384	root	1.1	nuke_playerdir $user;
385
386	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
387
388			if ($pass2 ne $pass) {
389	root	1.9	nuke_str $pass;
390			nuke_str $pass2;
391	root	1.3	$ns->send_drawinfo (
392			"The passwords do not match, please try again.",
393			cf::NDI_RED
394			);
395			next;
396			}
397
398	root	1.9	nuke_str $pass2;
399
400	root	1.11	my $pl = cf::player::new $user;
401	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
402	root	1.9	nuke_str $pass;
403	root	1.1	$pl->connect ($ns);
404	root	1.3
405	root	1.1	my $ob = $pl->ob;
406
407			while () {
408			$ob->update_stats;
409			$pl->save_stats;
410
411			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
412			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
413
414			if ($res =~ /^[Nn]/) {
415			last;
416			} elsif ($res > 0 && $res <= 7) {
417			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
418
419			if ($swap > 0 && $swap <= 7) {
420			$ob->swap_stats ($res - 1, $swap - 1);
421			}
422			} else {
423			$ob->roll_stats;
424			}
425			}
426
427			$ob->set_animation (2);
428			$ob->add_statbonus;
429
430			$ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
431			$ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
432			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
433
434			$ns->state (cf::ST_CHANGE_CLASS);
435	root	1.11	delete $pl->{deny_save};#d# too early
436	root	1.1
437			last;
438			}
439			});
440			}
441
442	root	1.12	cf::register_command quit => sub {
443			my ($ob, $arg) = @_;
444
445			$ob->reply (undef,
446			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
447			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
448			cf::NDI_UNIQUE \| cf::NDI_RED);
449			};
450
451			cf::register_command quit_character => sub {
452			my ($ob, $arg) = @_;
453
454			my $pl = $ob->contr;
455
456			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
457			if ($_[0] !~ /^[yY]/) {
458			$ob->reply (undef,
459			"Ok, not not quitting then.",
460			cf::NDI_UNIQUE \| cf::NDI_RED);
461			} else {
462			$ob->reply (undef,
463			"Ok, quitting, hope to see you again.",
464			cf::NDI_UNIQUE \| cf::NDI_RED);
465			$pl->ns->flush;
466	root	1.31	cf::async { $pl->quit_character };
467	root	1.12	}
468			});
469			};
470	root	1.11
471	root	1.1	cf::object->attach (
472			type => cf::SAVEBED,
473			on_apply => sub {
474			my ($bed, $ob) = @_;
475
476			return cf::override 0 unless $ob->type == cf::PLAYER;
477
478	root	1.15	my $pl = $ob->contr;
479	root	1.11
480	root	1.1	# update respawn position
481	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
482	root	1.22	cf::async { $pl->save };
483	root	1.1
484	root	1.11	$pl->killer ("left");
485	root	1.5	$ob->check_score;
486	root	1.1
487			$ob->reply (undef, "In the future, you will wake up here when you die.");
488
489	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
490	root	1.6	if ($_[0] !~ /^[yY]/) {
491	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
492			$pl->deactivate;
493			$pl->ns->destroy;
494	root	1.7	} else {
495	root	1.13	cf::async { $pl->save };
496	root	1.6	}
497	root	1.1	});
498			},
499			);
500
501	root	1.8	cf::player->attach (
502			on_login => sub {
503			my ($pl) = @_;
504			my $name = $pl->ob->name;
505
506			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
507			},
508			on_logout => sub {
509			my ($pl, $cleanly) = @_;
510			my $name = $pl->ob->name;
511
512			if ($cleanly) {
513			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
514			} else {
515			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
516	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
517	root	1.8	}
518			},
519			);
520
521			cf::client->attach (
522			on_addme => \&addme,
523	root	1.32	on_setup => \&setup,
524	root	1.8	);
525	root	1.1
526	root	1.11	#############################################################################
527
528	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
529			our $SAVE_TIMEOUT = 20; # save players every n seconds
530	root	1.11
531			our $SCHEDULER = cf::async_ext {
532	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
533	root	1.11	while () {
534	root	1.27	$schedule_interval->next;
535	root	1.11
536			# this weird form of iteration over values is used because
537			# the hash changes underneath us frequently, and for
538			# keeps a direct reference to the value without (in 5.8 perls)
539			# keeping a reference, so this is prone to crashes or worse.
540			my @players = keys %cf::PLAYER;
541			for (@players) {
542			my $pl = $cf::PLAYER{$_}
543			or next;
544			$pl->valid or next;
545
546			eval {
547			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
548	root	1.39	cf::wait_for_tick_begin;
549	root	1.11	$pl->save;
550	root	1.17
551	root	1.21	unless ($pl->active) {
552			# check refcounts, this is tricky and needs to be adjusted to fit server internals
553			my $ob = $pl->ob;
554			Scalar::Util::weaken $pl;
555			Scalar::Util::weaken $ob;
556	root	1.23	my $a_ = $pl->refcnt;#d#
557			my $b_ = $ob->refcnt;#d#
558	root	1.21	my $pl_ref = $pl->refcnt_cnt;
559			my $ob_ref = $ob->refcnt_cnt;
560
561	root	1.20	## pl_ref == one from object + one from cf::PLAYER
562			## ob_ref == one from simply being an object
563	root	1.29	if ($pl_ref == 2 && $ob_ref == 1) {
564	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
565
566			# remove from sight and get fresh "copies"
567			$pl = delete $cf::PLAYER{$ob->name};
568			$ob = $pl->ob;
569
570			$ob->destroy;
571			$pl->destroy;
572			} else {
573			warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
574			}
575	root	1.17	}
576			}
577	root	1.11	};
578			warn $@ if $@;
579			Coro::cede;
580			};
581			}
582			};
583
584			$SCHEDULER->prio (1);
585