server/ext/login.ext

#! perl # MANDATORY

# login handling

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

my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;

# 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") {
        $ns->facecache ($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 "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;
            }
         }

         # 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_ONE->wait;
               $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:	1.36
Committed:	Wed Apr 4 02:20:27 2007 UTC (17 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.35:	+2 -2 lines
Log Message:	* empty log message *
#	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			my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
10
11	root	1.9	# paranoia function to overwrite a string-in-place
12			sub nuke_str {
13			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
14			}
15	root	1.1
16			sub query {
17			my ($ns, $flags, $text) = @_;
18
19			my $current = $Coro::current;
20			$ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; });
21			Coro::schedule while ref $current;
22
23			$current
24			}
25
26			sub can_cleanup {
27	root	1.19	my ($pl, $mtime) = @_;
28	root	1.1
29			my $age = time - $mtime;
30	root	1.19	my $level = $pl->ob->level;
31	root	1.1
32			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
33			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
34			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
35			\|\| $age > 700 * 86400 # 2 years for everybody else
36			}
37
38			sub check_playing {
39			my ($ns, $user) = @_;
40
41	root	1.11	return unless cf::player::find_active $user;
42	root	1.1
43			$ns->send_drawinfo (
44			"That player is already logged in on this server. "
45			. "If you want to create a new player, choose another name. "
46			. "If you are already a registered player, make sure nobody "
47			. "else is using your account at this time. If you lost your conenction "
48			. "then the server will likely timeout within a minute. If you still "
49			. "cannot log-in after a minute, you are still logged in. Make sure "
50			. "you do not have another client running. If you use windows, reboot, "
51			. "this will fix anything.",
52			cf::NDI_RED
53			);
54
55			1
56			}
57
58	root	1.11	sub check_clean_save {
59			my ($pl) = @_;
60
61	root	1.26	if (my $time = delete $pl->{unclean_save}) {
62			$pl->ns->send_drawinfo (
63			"You didn't use a savebed to leave this realm. This is very dangerous, "
64			. "as lots of things could happen when you leave by other means, such as cave-ins, "
65			. "or monsters suddenly snapping your body. Better use a savebed next time.",
66			cf::NDI_RED
67			);
68	root	1.11	#d#TODO
69			}
70			}
71
72	root	1.1	# delete a player directory, be non-blocking AND synchronous...
73			# (thats hard, so we crap out and fork).
74			sub nuke_playerdir {
75			my ($user) = @_;
76
77			aio_stat "$PLAYERDIR/$user";
78			system "cd \Q$PLAYERDIR\E "
79			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
80			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
81			}
82
83	root	1.35	sub send_capabilities {
84			my ($ns) = @_;
85
86			return unless $ns->extcmd;
87
88			$ns->ext_event (capabilities =>
89			# id, name, flags (1 == 2d), edge length
90			tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
91			);
92			}
93
94	root	1.33	sub setup {
95			my ($ns, $args) = @_;
96
97			# run through the cmds of setup
98			# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
99			#
100			# we send the status of the cmd back, or a FALSE is the cmd is the server unknown
101			# The client then must sort this out
102
103			my %setup = split / +/, $args;
104			while (my ($k, $v) = each %setup) {
105			if ($k eq "sound") {
106			$ns->sound ($v);
107
108			} elsif ($k eq "exp64") {
109			$setup{$k} = 1;
110
111			} elsif ($k eq "spellmon") {
112			$ns->monitor_spells ($v);
113
114			} elsif ($k eq "darkness") {
115			$ns->darkness ($v);
116
117			} elsif ($k eq "map1cmd") {
118			$ns->mapmode (cf::Map1Cmd) if $v > 0;
119
120			} elsif ($k eq "map1acmd") {
121			$ns->mapmode (cf::Map1aCmd) if $v > 0;
122
123			} elsif ($k eq "map2cmd") {
124			# gcfclient bug, map1acmd is sent too late
125			$ns->mapmode (cf::Map1aCmd);
126			$setup{$k} = "FALSE";
127
128			} elsif ($k eq "newmapcmd") {
129			$ns->newmapcmd ($v);
130
131			} elsif ($k eq "mapinfocmd") {
132			$ns->mapinfocmd ($v);
133
134			} elsif ($k eq "extcmd") {
135			$ns->extcmd ($v > 0);
136	root	1.35	send_capabilities $ns;
137	root	1.33
138			} elsif ($k eq "extmap") {
139			$ns->extmap ($v);
140
141			} elsif ($k eq "facecache") {
142			$ns->facecache ($v);
143
144			} elsif ($k eq "faceset") {
145			$ns->faceset (0);
146			$setup{$k} = 0;
147			# $ns->image2 (1)
148
149	root	1.35	} elsif ($k eq "tileset") {
150			$setup{$k} = $ns->faceset ($v & 1);
151
152	root	1.33	} elsif ($k eq "itemcmd") {
153			# Version of the item protocol command to use. Currently,
154			# only supported versions are 1 and 2. Using a numeric
155			# value will make it very easy to extend this in the future.
156			$ns->itemcmd ($v) if $v >= 1 && $v <= 2;
157
158			$setup{$k} = $ns->itemcmd;
159
160			} elsif ($k eq "mapsize") {
161			my ($x, $y) = split /x/, $v;
162
163	root	1.36	$ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) \| 1);
164			$ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) \| 1);
165	root	1.33
166			$setup{$k} = "${x}x${y}";
167
168			} elsif ($k eq "extendedMapInfos") {
169			$ns->ext_mapinfos ($v);
170
171			} elsif ($k eq "extendedTextInfos") {
172			$ns->has_readable_type ($v);
173
174	root	1.34	} elsif ($k eq "fxix") {
175			$ns->fxix ($v);
176
177	root	1.33	} else {
178			# other commands:
179			# sexp: no idea, probably for oudated servers
180			# tick: more stupidity, server should sned a tick per tick
181
182			$setup{$k} = "FALSE";
183			}
184			}
185
186			$ns->send_packet (join " ", setup => %setup);
187
188			cf::datalog setup =>
189			request => $args,
190			reply => \%setup,
191			client => $ns->version,
192			;
193			}
194
195	root	1.8	sub addme {
196	root	1.1	my ($ns) = @_;
197
198	root	1.32	if (!$ns->facecache)
199			{
200			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
201
202
203			***
204			*** WARNING:
205			*** Your client does not support face/image caching,
206			*** or it has been disabled. Face caching is mandatory
207			*** so please enable it or use a newer client.
208			***
209			*** Look at your client preferences:
210			***
211			*** CFPlus: all known versions automatically enable the facecache.
212			*** cfclient: use the -cache commandline option.
213			*** cfclient: map will not redraw automatically (bug).
214			*** gcfclient: use -cache commandline option, or enable
215			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
216			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
217			***
218			***
219			EOF
220			if ($ns->version =~ /jcrossclient/) {
221			# let them, for now
222			} else {
223			$ns->flush;
224			return $ns->destroy;
225			}
226
227			# $ns->facecache = true;
228	root	1.33	}
229
230			if ($ns->mapmode < cf::Map1aCmd) {
231			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
232
233
234			***
235			*** WARNING:
236			*** Your client is too old. Please upgrade to a newer version.
237			EOF
238
239			$ns->flush;
240			return $ns->destroy;
241			}
242	root	1.32
243			$ns->pl and return $ns->destroy;
244	root	1.1
245	root	1.10	$ns->async (sub {
246	root	1.1	my ($user, $pass);
247
248			$ns->send_packet ("addme_success");
249
250			for (;;) {
251			$ns->send_drawinfo (
252			"Please enter your username now. If you are a new user, "
253			. "make one up that describes your character best. "
254			. "Only letters and digits are allowed, though.",
255			cf::NDI_BLUE
256			);
257
258			# read username
259			while () {
260			$user = query $ns, 0, "What is your name?\n:";
261	root	1.3
262			if ($cf::LOGIN_LOCK{$user}) {
263			$ns->send_drawinfo (
264			"That username is currently used in another login session. "
265			. "Chose another, or wait till the other session has ended.",
266			cf::NDI_RED
267			);
268	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
269	root	1.3	last;
270			} else {
271			$ns->send_drawinfo (
272			"Your username contains illegal characters "
273			. "(only a-z, A-Z and 0-9 are allowed), "
274			. "or is not between 3 and 18 characters in length.",
275			cf::NDI_RED
276			);
277			}
278	root	1.1	}
279
280			check_playing $ns, $user and next;
281
282			$ns->send_drawinfo (
283			"Welcome $user, please enter your password now. "
284			. "New users should now choose a password. "
285			. "Anything your client lets you enter is fine.",
286			cf::NDI_BLUE
287			);
288
289			# read password
290			while () {
291			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
292			last if $pass =~ /.../;
293			$ns->send_drawinfo (
294			"Try to use at least three characters as your password please, "
295			. "that cannot be too much to ask for :)",
296			cf::NDI_RED
297			);
298			}
299
300	root	1.3	# lock this username for the remainder of this login session
301			if ($cf::LOGIN_LOCK{$user}) {
302			$ns->send_drawinfo (
303			"That username is currently used in another login session. "
304			. "Chose another, or wait till the other session has ended.",
305			cf::NDI_RED
306			);
307			next;
308			}
309			local $cf::LOGIN_LOCK{$user} = 1;
310
311			check_playing $ns, $user and next;
312
313	root	1.1	# try to read the user file and check the password
314	root	1.19	if (my $pl = cf::player::find $user) {
315			aio_stat $pl->path and next;
316			my $mtime = (stat _)[9];
317			my $hash = $pl->password;
318	root	1.1
319	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
320	root	1.9	nuke_str $pass;
321	root	1.1	# password matches, wonderful
322	root	1.11	my $pl = cf::player::find $user or next;
323	root	1.1	$pl->connect ($ns);
324	root	1.11	check_clean_save $pl;
325	root	1.1	last;
326	root	1.19	} elsif (can_cleanup $pl, $mtime) {
327	root	1.1	Coro::Timer::sleep 1;
328
329			$ns->send_drawinfo (
330	root	1.3	"Player exists, but password does not match. If this is your account, "
331			. "please try again. If not, you can now decide to take over this account "
332	root	1.1	. "because it has not been in-use for some time.",
333			cf::NDI_RED
334			);
335
336	root	1.9	#TODO: nuke_str
337	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
338			or next;
339
340			# check if the file hasn't changed
341	root	1.11	aio_stat cf::player::path $user and next;
342	root	1.1	$mtime == (stat _)[9] or next;
343
344	root	1.19	$pl->quit_character;
345	root	1.1
346			# fall through to creation
347			} else {
348	root	1.9	nuke_str $pass;
349
350	root	1.1	Coro::Timer::sleep 1;
351
352			$ns->send_drawinfo (
353			"Wrong username or password. Please try again "
354			. "(check for Numlock and other semi-obvious error sources).",
355			cf::NDI_RED
356			);
357			next;
358			}
359			}
360
361			# the rest of this function is character creation
362
363	root	1.3	# just to make sure nothing is left over
364	root	1.1	nuke_playerdir $user;
365
366	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
367
368			if ($pass2 ne $pass) {
369	root	1.9	nuke_str $pass;
370			nuke_str $pass2;
371	root	1.3	$ns->send_drawinfo (
372			"The passwords do not match, please try again.",
373			cf::NDI_RED
374			);
375			next;
376			}
377
378	root	1.9	nuke_str $pass2;
379
380	root	1.11	my $pl = cf::player::new $user;
381	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
382	root	1.9	nuke_str $pass;
383	root	1.1	$pl->connect ($ns);
384	root	1.3
385	root	1.1	my $ob = $pl->ob;
386
387			while () {
388			$ob->update_stats;
389			$pl->save_stats;
390
391			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
392			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
393
394			if ($res =~ /^[Nn]/) {
395			last;
396			} elsif ($res > 0 && $res <= 7) {
397			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
398
399			if ($swap > 0 && $swap <= 7) {
400			$ob->swap_stats ($res - 1, $swap - 1);
401			}
402			} else {
403			$ob->roll_stats;
404			}
405			}
406
407			$ob->set_animation (2);
408			$ob->add_statbonus;
409
410			$ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
411			$ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
412			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
413
414			$ns->state (cf::ST_CHANGE_CLASS);
415	root	1.11	delete $pl->{deny_save};#d# too early
416	root	1.1
417			last;
418			}
419			});
420			}
421
422	root	1.12	cf::register_command quit => sub {
423			my ($ob, $arg) = @_;
424
425			$ob->reply (undef,
426			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
427			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
428			cf::NDI_UNIQUE \| cf::NDI_RED);
429			};
430
431			cf::register_command quit_character => sub {
432			my ($ob, $arg) = @_;
433
434			my $pl = $ob->contr;
435
436			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
437			if ($_[0] !~ /^[yY]/) {
438			$ob->reply (undef,
439			"Ok, not not quitting then.",
440			cf::NDI_UNIQUE \| cf::NDI_RED);
441			} else {
442			$ob->reply (undef,
443			"Ok, quitting, hope to see you again.",
444			cf::NDI_UNIQUE \| cf::NDI_RED);
445			$pl->ns->flush;
446	root	1.31	cf::async { $pl->quit_character };
447	root	1.12	}
448			});
449			};
450	root	1.11
451	root	1.1	cf::object->attach (
452			type => cf::SAVEBED,
453			on_apply => sub {
454			my ($bed, $ob) = @_;
455
456			return cf::override 0 unless $ob->type == cf::PLAYER;
457
458	root	1.15	my $pl = $ob->contr;
459	root	1.11
460	root	1.1	# update respawn position
461	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
462	root	1.22	cf::async { $pl->save };
463	root	1.1
464	root	1.11	$pl->killer ("left");
465	root	1.5	$ob->check_score;
466	root	1.1
467			$ob->reply (undef, "In the future, you will wake up here when you die.");
468
469	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
470	root	1.6	if ($_[0] !~ /^[yY]/) {
471	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
472			$pl->deactivate;
473			$pl->ns->destroy;
474	root	1.7	} else {
475	root	1.13	cf::async { $pl->save };
476	root	1.6	}
477	root	1.1	});
478			},
479			);
480
481	root	1.8	cf::player->attach (
482			on_login => sub {
483			my ($pl) = @_;
484			my $name = $pl->ob->name;
485
486			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
487			},
488			on_logout => sub {
489			my ($pl, $cleanly) = @_;
490			my $name = $pl->ob->name;
491
492			if ($cleanly) {
493			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
494			} else {
495			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
496	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
497	root	1.8	}
498			},
499			);
500
501			cf::client->attach (
502			on_addme => \&addme,
503	root	1.32	on_setup => \&setup,
504	root	1.8	);
505	root	1.1
506	root	1.11	#############################################################################
507
508	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
509			our $SAVE_TIMEOUT = 20; # save players every n seconds
510	root	1.11
511			our $SCHEDULER = cf::async_ext {
512	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
513	root	1.11	while () {
514	root	1.27	$schedule_interval->next;
515	root	1.11
516			# this weird form of iteration over values is used because
517			# the hash changes underneath us frequently, and for
518			# keeps a direct reference to the value without (in 5.8 perls)
519			# keeping a reference, so this is prone to crashes or worse.
520			my @players = keys %cf::PLAYER;
521			for (@players) {
522			my $pl = $cf::PLAYER{$_}
523			or next;
524			$pl->valid or next;
525
526			eval {
527			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
528	root	1.24	$cf::WAIT_FOR_TICK_ONE->wait;
529	root	1.11	$pl->save;
530	root	1.17
531	root	1.21	unless ($pl->active) {
532			# check refcounts, this is tricky and needs to be adjusted to fit server internals
533			my $ob = $pl->ob;
534			Scalar::Util::weaken $pl;
535			Scalar::Util::weaken $ob;
536	root	1.23	my $a_ = $pl->refcnt;#d#
537			my $b_ = $ob->refcnt;#d#
538	root	1.21	my $pl_ref = $pl->refcnt_cnt;
539			my $ob_ref = $ob->refcnt_cnt;
540
541	root	1.20	## pl_ref == one from object + one from cf::PLAYER
542			## ob_ref == one from simply being an object
543	root	1.29	if ($pl_ref == 2 && $ob_ref == 1) {
544	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
545
546			# remove from sight and get fresh "copies"
547			$pl = delete $cf::PLAYER{$ob->name};
548			$ob = $pl->ob;
549
550			$ob->destroy;
551			$pl->destroy;
552			} else {
553			warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
554			}
555	root	1.17	}
556			}
557	root	1.11	};
558			warn $@ if $@;
559			Coro::cede;
560			};
561			}
562			};
563
564			$SCHEDULER->prio (1);
565