server/ext/login.ext

#! perl # mandatory

# login handling

use Fcntl;
use Coro::AIO;

# 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 have already a registered, make sure nobody "
    . "else is using your account at this time. If you lost your connection "
    . "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 enter_map {
   my ($pl) = @_;

   my ($map, $x, $y)
      = $pl->ob->{_link_pos}
        ? @{delete $pl->ob->{_link_pos}}
        : ($pl->maplevel, $pl->ob->x, $pl->ob->y);

   $pl->ob->enter_link;

   if (my $time = delete $pl->{unclean_save}) {
      if (my $m = cf::map::find $map) {
         if ($time < $m->{instantiate_time}) {
            # the map was reset in the meantime
            my $age = $cf::RUNTIME - $time;
            warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#

            # for now, just go back to savebed
            ($map, $x, $y) = $pl->savebed;

            $pl->ns->send_drawinfo (
               "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
             . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
             . "Better use a savebed next time, much worse things could have happened...",
               cf::NDI_RED
            );
         } else {
            $pl->ns->send_drawinfo (
               "You didn't use a bed to reality 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
            );
         }
      }
   }

   $pl->ob->goto ($map, $x, $y);
}

# 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~ &)";
}

cf::client->attach (on_addme => sub {
   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
               );
            }
            Coro::Timer::sleep 0.4;
         }

         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
            );
            Coro::Timer::sleep 0.4;
         }

         # 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);
               enter_map $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
            );
            Coro::Timer::sleep 0.5;
            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;

         $ob->goto ($pl->maplevel, $ob->x, $ob->y);

         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;
            }

            Coro::Timer::sleep 0.2;
         }

         $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;
            Coro::Timer::sleep 0.2;
         }

         $pl->chargen_race_done;

         while () {
            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";

            if ($res =~ /^[fF]/) {
               $pl->gender (1);
               last;
            } elsif ($res =~ /^[mM]/) {
               $pl->gender (0);
               last;
            }
            Coro::Timer::sleep 0.2;
         }

         $ob->reply (undef, "Welcome to Crossfire!");

         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;
      }
   },
);

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

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 || $pl->ns) {
                  # check refcounts, this is tricky and needs to be adjusted to fit server internals
                  my $ob = $pl->ob;

                  my $pl_ref = $pl->refcnt_cnt;
                  my $ob_ref = $ob->refcnt_cnt;

                  ## pl_ref == $pl + ob->contr   + %cf::PLAYER
                  ## ob_ref == $ob + pl->observe + simply being an object
                  if ($pl_ref == 3 && $ob_ref == 3) {
                     warn "player-scheduler destroy ", $ob->name;#d#

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

                     $pl->destroy; # destroys $ob
                  } else {
                     my $a_ = $pl->refcnt;#d#
                     my $b_ = $ob->refcnt;#d#

                     warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
                  }
               }
            }
         };
         warn $@ if $@;
         Coro::cede;
      };
   }
};

$SCHEDULER->prio (1);

Revision:	1.61
Committed:	Tue Jul 10 06:12:13 2007 UTC (16 years, 10 months ago) by root
Branch:	MAIN
Changes since 1.60:	+7 -0 lines
Log Message:	add some delays, as gcfclient likes to endlessly repeat. also avoids obvious resource-starving attacks
#	User	Rev	Content
1	root	1.53	#! perl # mandatory
2	root	1.1
3			# login handling
4
5			use Fcntl;
6			use Coro::AIO;
7	root	1.53
8	root	1.9	# paranoia function to overwrite a string-in-place
9			sub nuke_str {
10			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
11			}
12	root	1.1
13			sub query {
14			my ($ns, $flags, $text) = @_;
15
16			my $current = $Coro::current;
17	root	1.38	$ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
18	root	1.1	Coro::schedule while ref $current;
19
20			$current
21			}
22
23			sub can_cleanup {
24	root	1.19	my ($pl, $mtime) = @_;
25	root	1.1
26			my $age = time - $mtime;
27	root	1.19	my $level = $pl->ob->level;
28	root	1.1
29			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
30			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
31			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
32			\|\| $age > 700 * 86400 # 2 years for everybody else
33			}
34
35			sub check_playing {
36			my ($ns, $user) = @_;
37
38	root	1.11	return unless cf::player::find_active $user;
39	root	1.1
40			$ns->send_drawinfo (
41			"That player is already logged in on this server. "
42			. "If you want to create a new player, choose another name. "
43	root	1.59	. "If you have already a registered, make sure nobody "
44			. "else is using your account at this time. If you lost your connection "
45	root	1.1	. "then the server will likely timeout within a minute. If you still "
46			. "cannot log-in after a minute, you are still logged in. Make sure "
47			. "you do not have another client running. If you use windows, reboot, "
48			. "this will fix anything.",
49			cf::NDI_RED
50			);
51
52			1
53			}
54
55	root	1.48	sub enter_map {
56	root	1.11	my ($pl) = @_;
57
58	root	1.48	my ($map, $x, $y)
59			= $pl->ob->{_link_pos}
60			? @{delete $pl->ob->{_link_pos}}
61			: ($pl->maplevel, $pl->ob->x, $pl->ob->y);
62
63			$pl->ob->enter_link;
64
65	root	1.26	if (my $time = delete $pl->{unclean_save}) {
66	root	1.48	if (my $m = cf::map::find $map) {
67			if ($time < $m->{instantiate_time}) {
68			# the map was reset in the meantime
69			my $age = $cf::RUNTIME - $time;
70			warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#
71
72			# for now, just go back to savebed
73			($map, $x, $y) = $pl->savebed;
74
75			$pl->ns->send_drawinfo (
76			"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
77			. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
78			. "Better use a savebed next time, much worse things could have happened...",
79			cf::NDI_RED
80			);
81			} else {
82			$pl->ns->send_drawinfo (
83			"You didn't use a bed to reality to leave this realm. This is very dangerous, "
84			. "as lots of things could happen when you leave by other means, such as cave-ins, "
85			. "or monsters suddenly snapping your body. Better use a savebed next time.",
86			cf::NDI_RED
87			);
88			}
89			}
90	root	1.11	}
91	root	1.48
92			$pl->ob->goto ($map, $x, $y);
93	root	1.11	}
94
95	root	1.1	# delete a player directory, be non-blocking AND synchronous...
96			# (thats hard, so we crap out and fork).
97			sub nuke_playerdir {
98			my ($user) = @_;
99
100			aio_stat "$PLAYERDIR/$user";
101			system "cd \Q$PLAYERDIR\E "
102			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
103			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
104			}
105
106	root	1.60	cf::client->attach (on_addme => sub {
107	root	1.1	my ($ns) = @_;
108
109	root	1.60	if (!$ns->facecache)
110			{
111			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
112	root	1.32
113
114			***
115			*** WARNING:
116			*** Your client does not support face/image caching,
117			*** or it has been disabled. Face caching is mandatory
118			*** so please enable it or use a newer client.
119			***
120			*** Look at your client preferences:
121			***
122			*** CFPlus: all known versions automatically enable the facecache.
123			*** cfclient: use the -cache commandline option.
124			*** cfclient: map will not redraw automatically (bug).
125			*** gcfclient: use -cache commandline option, or enable
126			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
127			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
128			***
129			***
130			EOF
131			if ($ns->version =~ /jcrossclient/) {
132			# let them, for now
133			} else {
134			$ns->flush;
135			return $ns->destroy;
136			}
137
138			# $ns->facecache = true;
139	root	1.33	}
140
141			if ($ns->mapmode < cf::Map1aCmd) {
142			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
143
144
145			***
146			*** WARNING:
147			*** Your client is too old. Please upgrade to a newer version.
148			EOF
149
150			$ns->flush;
151			return $ns->destroy;
152			}
153	root	1.32
154			$ns->pl and return $ns->destroy;
155	root	1.1
156	root	1.10	$ns->async (sub {
157	root	1.1	my ($user, $pass);
158
159			$ns->send_packet ("addme_success");
160
161			for (;;) {
162			$ns->send_drawinfo (
163			"Please enter your username now. If you are a new user, "
164			. "make one up that describes your character best. "
165			. "Only letters and digits are allowed, though.",
166			cf::NDI_BLUE
167			);
168
169			# read username
170			while () {
171			$user = query $ns, 0, "What is your name?\n:";
172	root	1.3
173			if ($cf::LOGIN_LOCK{$user}) {
174			$ns->send_drawinfo (
175			"That username is currently used in another login session. "
176			. "Chose another, or wait till the other session has ended.",
177			cf::NDI_RED
178			);
179	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
180	root	1.3	last;
181			} else {
182			$ns->send_drawinfo (
183			"Your username contains illegal characters "
184			. "(only a-z, A-Z and 0-9 are allowed), "
185			. "or is not between 3 and 18 characters in length.",
186			cf::NDI_RED
187			);
188			}
189	root	1.61	Coro::Timer::sleep 0.4;
190	root	1.1	}
191
192			check_playing $ns, $user and next;
193
194			$ns->send_drawinfo (
195			"Welcome $user, please enter your password now. "
196			. "New users should now choose a password. "
197			. "Anything your client lets you enter is fine.",
198			cf::NDI_BLUE
199			);
200
201			# read password
202			while () {
203			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
204			last if $pass =~ /.../;
205			$ns->send_drawinfo (
206			"Try to use at least three characters as your password please, "
207			. "that cannot be too much to ask for :)",
208			cf::NDI_RED
209			);
210	root	1.61	Coro::Timer::sleep 0.4;
211	root	1.1	}
212
213	root	1.3	# lock this username for the remainder of this login session
214			if ($cf::LOGIN_LOCK{$user}) {
215			$ns->send_drawinfo (
216			"That username is currently used in another login session. "
217			. "Chose another, or wait till the other session has ended.",
218			cf::NDI_RED
219			);
220			next;
221			}
222			local $cf::LOGIN_LOCK{$user} = 1;
223
224			check_playing $ns, $user and next;
225
226	root	1.1	# try to read the user file and check the password
227	root	1.19	if (my $pl = cf::player::find $user) {
228			aio_stat $pl->path and next;
229			my $mtime = (stat _)[9];
230			my $hash = $pl->password;
231	root	1.1
232	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
233	root	1.9	nuke_str $pass;
234	root	1.1	# password matches, wonderful
235	root	1.11	my $pl = cf::player::find $user or next;
236	root	1.1	$pl->connect ($ns);
237	root	1.48	enter_map $pl;
238	root	1.1	last;
239	root	1.19	} elsif (can_cleanup $pl, $mtime) {
240	root	1.1	Coro::Timer::sleep 1;
241
242			$ns->send_drawinfo (
243	root	1.3	"Player exists, but password does not match. If this is your account, "
244			. "please try again. If not, you can now decide to take over this account "
245	root	1.1	. "because it has not been in-use for some time.",
246			cf::NDI_RED
247			);
248
249	root	1.9	#TODO: nuke_str
250	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
251			or next;
252
253			# check if the file hasn't changed
254	root	1.11	aio_stat cf::player::path $user and next;
255	root	1.1	$mtime == (stat _)[9] or next;
256
257	root	1.19	$pl->quit_character;
258	root	1.1
259			# fall through to creation
260			} else {
261	root	1.9	nuke_str $pass;
262
263	root	1.1	Coro::Timer::sleep 1;
264
265			$ns->send_drawinfo (
266			"Wrong username or password. Please try again "
267			. "(check for Numlock and other semi-obvious error sources).",
268			cf::NDI_RED
269			);
270			next;
271			}
272	root	1.37	} else {
273			# unable to load the playerfile:
274			# check wether the player dir exists, which means the file is corrupted or
275			# something very similar.
276			if (!aio_stat cf::player::playerdir $user) {
277			$ns->send_drawinfo (
278			"Unable to retrieve this player. It might be a locked or broken account. "
279			. "If this is your account, ask a dungeon master for assistance. "
280			. "Otherwise choose a different login name.",
281			cf::NDI_RED
282			);
283			next;
284			}
285	root	1.1	}
286
287			# the rest of this function is character creation
288
289	root	1.3	# just to make sure nothing is left over
290	root	1.1	nuke_playerdir $user;
291
292	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
293
294			if ($pass2 ne $pass) {
295	root	1.9	nuke_str $pass;
296			nuke_str $pass2;
297	root	1.3	$ns->send_drawinfo (
298			"The passwords do not match, please try again.",
299			cf::NDI_RED
300			);
301	root	1.61	Coro::Timer::sleep 0.5;
302	root	1.3	next;
303			}
304
305	root	1.9	nuke_str $pass2;
306
307	root	1.11	my $pl = cf::player::new $user;
308	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
309	root	1.9	nuke_str $pass;
310	root	1.1	$pl->connect ($ns);
311	root	1.48	my $ob = $pl->ob;
312	root	1.3
313	root	1.48	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
314	root	1.1
315			while () {
316			$ob->update_stats;
317			$pl->save_stats;
318
319			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
320			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
321
322			if ($res =~ /^[Nn]/) {
323			last;
324			} elsif ($res > 0 && $res <= 7) {
325			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
326
327			if ($swap > 0 && $swap <= 7) {
328			$ob->swap_stats ($res - 1, $swap - 1);
329			}
330			} else {
331			$ob->roll_stats;
332			}
333	root	1.61
334			Coro::Timer::sleep 0.2;
335	root	1.1	}
336
337			$ob->set_animation (2);
338			$ob->add_statbonus;
339
340	root	1.45	while () {
341			$ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
342			my $msg = $ob->msg;
343	root	1.46	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
344	root	1.45	$ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
345
346			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
347			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
348
349			last if $res =~ /[dD]/;
350
351			$pl->chargen_race_next;
352	root	1.61	Coro::Timer::sleep 0.2;
353	root	1.45	}
354
355			$pl->chargen_race_done;
356	root	1.1
357	root	1.55	while () {
358			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
359			"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
360
361			if ($res =~ /^[fF]/) {
362			$pl->gender (1);
363			last;
364			} elsif ($res =~ /^[mM]/) {
365			$pl->gender (0);
366			last;
367			}
368	root	1.61	Coro::Timer::sleep 0.2;
369	root	1.55	}
370
371			$ob->reply (undef, "Welcome to Crossfire!");
372
373	root	1.45	delete $pl->{deny_save};
374	root	1.1
375			last;
376			}
377			});
378	root	1.60	});
379	root	1.1
380	root	1.12	cf::register_command quit => sub {
381			my ($ob, $arg) = @_;
382
383			$ob->reply (undef,
384			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
385			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
386			cf::NDI_UNIQUE \| cf::NDI_RED);
387			};
388
389			cf::register_command quit_character => sub {
390			my ($ob, $arg) = @_;
391
392			my $pl = $ob->contr;
393
394			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
395			if ($_[0] !~ /^[yY]/) {
396			$ob->reply (undef,
397			"Ok, not not quitting then.",
398			cf::NDI_UNIQUE \| cf::NDI_RED);
399			} else {
400			$ob->reply (undef,
401			"Ok, quitting, hope to see you again.",
402			cf::NDI_UNIQUE \| cf::NDI_RED);
403			$pl->ns->flush;
404	root	1.31	cf::async { $pl->quit_character };
405	root	1.12	}
406			});
407			};
408	root	1.11
409	root	1.1	cf::object->attach (
410			type => cf::SAVEBED,
411			on_apply => sub {
412			my ($bed, $ob) = @_;
413
414			return cf::override 0 unless $ob->type == cf::PLAYER;
415
416	root	1.15	my $pl = $ob->contr;
417	root	1.11
418	root	1.1	# update respawn position
419	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
420	root	1.22	cf::async { $pl->save };
421	root	1.1
422	root	1.11	$pl->killer ("left");
423	root	1.5	$ob->check_score;
424	root	1.1
425			$ob->reply (undef, "In the future, you will wake up here when you die.");
426
427	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
428	root	1.6	if ($_[0] !~ /^[yY]/) {
429	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
430			$pl->deactivate;
431			$pl->ns->destroy;
432	root	1.7	} else {
433	root	1.13	cf::async { $pl->save };
434	root	1.6	}
435	root	1.1	});
436			},
437			);
438
439	root	1.8	cf::player->attach (
440			on_login => sub {
441			my ($pl) = @_;
442			my $name = $pl->ob->name;
443
444			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
445			},
446			on_logout => sub {
447			my ($pl, $cleanly) = @_;
448			my $name = $pl->ob->name;
449
450			if ($cleanly) {
451			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
452			} else {
453			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
454	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
455	root	1.8	}
456			},
457			);
458
459	root	1.11	#############################################################################
460
461	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
462			our $SAVE_TIMEOUT = 20; # save players every n seconds
463	root	1.11
464			our $SCHEDULER = cf::async_ext {
465	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
466	root	1.11	while () {
467	root	1.27	$schedule_interval->next;
468	root	1.11
469			# this weird form of iteration over values is used because
470			# the hash changes underneath us frequently, and for
471			# keeps a direct reference to the value without (in 5.8 perls)
472			# keeping a reference, so this is prone to crashes or worse.
473			my @players = keys %cf::PLAYER;
474			for (@players) {
475			my $pl = $cf::PLAYER{$_}
476			or next;
477			$pl->valid or next;
478
479			eval {
480			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
481	root	1.39	cf::wait_for_tick_begin;
482	root	1.11	$pl->save;
483	root	1.17
484	root	1.49	unless ($pl->active \|\| $pl->ns) {
485	root	1.21	# check refcounts, this is tricky and needs to be adjusted to fit server internals
486			my $ob = $pl->ob;
487	root	1.50
488	root	1.21	my $pl_ref = $pl->refcnt_cnt;
489			my $ob_ref = $ob->refcnt_cnt;
490
491	root	1.51	## pl_ref == $pl + ob->contr + %cf::PLAYER
492			## ob_ref == $ob + pl->observe + simply being an object
493	root	1.50	if ($pl_ref == 3 && $ob_ref == 3) {
494	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
495
496			# remove from sight and get fresh "copies"
497			$pl = delete $cf::PLAYER{$ob->name};
498			$ob = $pl->ob;
499
500	root	1.54	$pl->destroy; # destroys $ob
501	root	1.21	} else {
502	root	1.50	my $a_ = $pl->refcnt;#d#
503			my $b_ = $ob->refcnt;#d#
504
505	root	1.52	warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
506	root	1.21	}
507	root	1.17	}
508			}
509	root	1.11	};
510			warn $@ if $@;
511			Coro::cede;
512			};
513			}
514			};
515
516			$SCHEDULER->prio (1);
517