server/ext/login.ext

#! perl # mandatory depends=highscore

# login handling

use Fcntl;
use Coro::AIO;
use Deliantra::Util ();

CONF MAX_DISCONNECT_TIME = 3600;

our $VALID_LOGIN = qr<^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,19}\z>;

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

   $ns->query ($flags, $text, Coro::rouse_cb);
   Coro::rouse_wait
}

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 safe_spot($) {
   my ($pl) = @_;
   
   my $ob = $pl->ob;

   my $m = $ob->map
      or return;
   my $x = $ob->x;
   my $y = $ob->y;

   # never happens normally, but helps when shell users make mistakes
   $m->linkable
      or return 1;

   scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
}

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

   my $ob = $pl->ob;

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

   $ob->enter_link;

   my $m = cf::map::find $map;
   my $time = delete $pl->{unclean_save};

   if ($time && $m) {
      if ($time < $m->{instantiate_time}) {
         # the map was reset in the meantime
         my $age = $cf::RUNTIME - $time;

         cf::info $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#

         if ($age >= $MAX_DISCONNECT_TIME) {
            $ob->message (
               "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
             . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
             . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
             . "H<You disconnected too long without having used a savebed.>",
               cf::NDI_RED
            );
            # kill them.
            # reminds me of the famous badness 10000 syndrome...
            $ob->stats->hp (-10000); #] if they survive this they deserved to live
            my $killer = cf::arch::get "killer_login"; $pl->killer ($killer); $killer->destroy;
         } else {
            ($map, $x, $y) = $pl->savebed;

            $ob->message (
               "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... "
             . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
               cf::NDI_RED
            );
         }
      } else {
         $ob->message (
            "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. "
          . "H<Always apply a bed of reality to disconnect from the server.>",
            cf::NDI_RED
         );
      }
   }

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

sub encode_password($) {
   unpack "H*", Deliantra::Util::hash_pw $_[0]
}

sub compare_password($$) {
   my ($pass, $token) = @_;

   if ($token =~ /!!(.*)/) {
      return +(substr $pass, 0, 8) eq pack "H*", $1;
   } elsif ($token =~ /!(.*)/) {
      return $pass eq pack "H*", $1;
   } else {
      return $token eq crypt $pass, $token;
   }
}

# delete a player directory
sub nuke_playerdir {
   my ($user) = @_;

   my $lock = cf::lock_acquire "ext::login::nuke_playerdir";

   my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
   aio_rename "$PLAYERDIR/$user", $temp;
   IO::AIO::aio_rmtree $temp;
}

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

   # handle character creation, if neccessary
   # the rest of this function is character creation

   my $ns = $pl->ns;
   my $ob = $pl->ob;

   $Coro::current->{desc} = "addme(" . $ob->name . ") login";

   if ($pl->{chargen} eq "init") {
      $ob->goto ($pl->maplevel, $ob->x, $ob->y);

      # create the playerdir, if necessary, as chargen_race_done did it before
      # presumably because of unique maps
      aio_mkdir playerdir $pl, 0770;
      delete $pl->{deny_save}; # set by new
      $pl->save;

      $pl->{chargen} = "stats";
   }

   if ($pl->{chargen} eq "stats") {
      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 0.05;
      }

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

      $pl->{chargen} = "race";
   }

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

         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 0.05;
      }

      $pl->chargen_race_done;
      $pl->{chargen} = "gender";
   }

   if ($pl->{chargen} eq "race") {
      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 0.05;
      }
      $pl->{chargen} = "done";
   }

   $ns->state (cf::ST_PLAYING);

   if ($pl->{chargen} eq "done") {
      # XXX: Workaround for delayed client ext protocol handshake
      $pl->esrv_new_player;

      $pl->{chargen} = "done";
   }

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

   if (0 < Coro::AIO::aio_load "$cf::CONFDIR/motd", my $motd) {
      $pl->ns->send_msg ("c/motd" => $motd, cf::NDI_CLEAR);
   }
}

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

   # lock again, too lazy to make this nicer
   local $cf::LOGIN_LOCK{$user} = 1;

   # just to make sure nothing is left over
   # normally, nothing is there.
   nuke_playerdir $user;

   my $pl = cf::player::new $user;
   $pl->password (unpack "H*", $hash);
   $pl->connect ($ns);

   $pl->{chargen} = "init";

   login $pl;
}

cf::client->attach (on_addme => sub {
   my ($ns) = @_;

   $ns->{addme}++ and return $ns->destroy;

   $ns->async (sub {
      $Coro::current->{desc} = "addme init";

      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? (login names are case-sensitive)\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 =~ $VALID_LOGIN) {
               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 20 characters in length.",
                  cf::NDI_RED
               );
            }
            Coro::Timer::sleep 0.4;
         }

         check_playing $ns, $user and next;

         $Coro::current->{desc} = "addme($user) pass";

         $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;

         $Coro::current->{desc} = "addme($user) check";

         # 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 $token = $pl->password;

            if ($cf::CFG{ext_login_nocheck} or compare_password $pass, $token) {
               # player exists and passwords match - we can proceed

               # password matches, wonderful
               my $pl = cf::player::find $user or next;
               $pl->connect ($ns);
               enter_map $pl;
               login $pl;
               return;
            } 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
               );

               (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 {
               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 whether 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;
            }
         }

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

         if ($pass2 ne $pass) {
            $ns->send_drawinfo (
               "The passwords do not match, please try again.",
               cf::NDI_RED
            );
            Coro::Timer::sleep 0.5;
            next;
         }

         last;
      }

      chargen $ns, $user, Deliantra::Util::hash_pw $pass;
   });
});

cf::client->attach (
   on_version => sub {
      my ($ns, $arg) = @_;

      # perl probably uses lrand48, which is not secure at all
      # maybe require linux and use /dev/urandom.
      $ns->{nonces} = [map { join "", map { chr rand 256 } 0..63  } 1..2];
      $ns->ext_msg (nonces => @{ $ns->{nonces} });
   },
);

cf::register_async_exticmd create_login => sub {
   my ($ns, $reply, $user, $pass) = @_;

   $ns->{addme}++ and return $ns->destroy;

   $ns->async (sub {
      my $fail = sub {
         $reply->(0, $_[0]);
         $ns->flush; # does not ensure that the data reaches the client - TODO
         # need to do this in another thread, as this one gets canceled
         Coro::async_pool {
            Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
            $ns->destroy if $ns->valid;
         };
         Coro::schedule; # do the destroy, should not return
      };

      $user =~ $VALID_LOGIN
         or return $fail (
               "Your username contains illegal characters (only a-z, A-Z and 0-9 are allowed), "
             . "or is not between 3 and 20 characters in length."
            );

      cf::player::find $user
         and return $fail->("User '$user' already exists - choose another login name.");

      chargen $ns, $user, $pass;
   });
};

cf::register_async_exticmd login => sub {
   my ($ns, $reply, $user, $hash) = @_;

   $ns->{addme}++ and return $ns->destroy;

   $ns->async (sub {
      local $cf::LOGIN_LOCK{$user} = 1;

      $Coro::current->{desc} = "login($user) check";

      my $fail = sub {
         $reply->(0, $_[0]);
         $ns->flush; # does not ensure that the data reaches the client - TODO
         # need to do this in another thread, as this one gets canceled
         Coro::async_pool {
            Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
            $ns->destroy if $ns->valid;
         };
         Coro::schedule; # do the destroy, should not return
      };

      # try to read the user file and check the password
      my $pl = cf::player::find $user
         or return $fail->("User '$user' does not exist - wrong spelling?");

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

      my $mtime = (stat _)[9];
      my $token = $pl->password;

      $token = $token =~ /^!/
               ? Deliantra::Util::hash_pw pack "H*", substr $token, 1
               : pack "H*", $token;

      $token = Deliantra::Util::auth_pw $token, $ns->{nonces}[0], $ns->{nonces}[1];

      $token eq $hash
         or $cf::CFG{ext_login_nocheck}
         or return $fail->("User exists, but the password doesn't match - check your spelling, NumLock/CapsLock etc.");
      
      # player exists and passwords match - we can proceed

      $reply->(1, "Success");

      $pl->connect ($ns);
      enter_map $pl;
      login $pl;
   });
};

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

   unless ($pl->flag (cf::FLAG_WIZ)) {
      $pl->message (
         "The password can currently only changed by a DM.",
         cf::NDI_UNIQUE | cf::NDI_REPLY);
      return;
   }

   $pl->message (#d#
      "Passwords cannot currently be changed.",#d#
      cf::NDI_UNIQUE | cf::NDI_REPLY);#d#
   return;#d#

   my (@args) = split /\s+/, $arg;
   my ($player, $new_pw) = @args;

   if ($pl->flag (cf::FLAG_WIZ) && $player eq '') {
      $pl->message (
         "Usage: password <player> [<new password>]",
         cf::NDI_UNIQUE | cf::NDI_REPLY);
      return;
   }

   if ($new_pw eq '') {
      $new_pw =
         join '',
            map { ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[(cf::rndm 64)] }
               1..9;
   }

   cf::async {
      my $plc = cf::player::find $player;
      if ($plc) {
         $plc->password (encode_password $new_pw);
         $pl->message (
            "Ok, changed password of '$player' to '$new_pw'!",
            cf::NDI_UNIQUE | cf::NDI_RED | cf::NDI_REPLY);
      } else {
         $pl->message (
            "Fail! Couldn't set password for '$player', "
            . "he doesn't seem to exist!",
            cf::NDI_UNIQUE | cf::NDI_RED | cf::NDI_REPLY);
      }
   };
};

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

   $ob->send_msg (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::NDI_REPLY);
};

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->send_msg (undef, "Ok, not not quitting then.", cf::NDI_UNIQUE | cf::NDI_RED | cf::NDI_REPLY);
      } else {
         $ob->send_msg (undef, "Ok, quitting, hope to see you again.", cf::NDI_UNIQUE | cf::NDI_RED | cf::NDI_REPLY);
         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 {
         my $killer = cf::arch::get "killer_logout"; $pl->killer ($killer); $killer->destroy;
         ext::highscore::check $ob;

         $pl->save;

         $ob->send_msg ($cf::SAY_CHANNEL => "In the future, you will wake up here when you die.", cf::NDI_DEF | cf::NDI_REPLY);

         my $ns = $pl->ns
            or return;

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

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
            unless safe_spot $pl;
      }
   },
);

Revision:	1.127
Committed:	Sat Nov 17 12:00:31 2012 UTC (11 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.126:	+7 -8 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.102	#! perl # mandatory depends=highscore
2	root	1.1
3			# login handling
4
5			use Fcntl;
6			use Coro::AIO;
7	root	1.120	use Deliantra::Util ();
8	root	1.53
9	root	1.117	CONF MAX_DISCONNECT_TIME = 3600;
10	root	1.64
11	root	1.125	our $VALID_LOGIN = qr<^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,19}\z>;
12
13	root	1.1	sub query {
14			my ($ns, $flags, $text) = @_;
15
16	root	1.94	$ns->query ($flags, $text, Coro::rouse_cb);
17			Coro::rouse_wait
18	root	1.1	}
19
20			sub can_cleanup {
21	root	1.19	my ($pl, $mtime) = @_;
22	root	1.1
23			my $age = time - $mtime;
24	root	1.19	my $level = $pl->ob->level;
25	root	1.1
26			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
27			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
28			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
29			\|\| $age > 700 * 86400 # 2 years for everybody else
30			}
31
32			sub check_playing {
33			my ($ns, $user) = @_;
34
35	root	1.11	return unless cf::player::find_active $user;
36	root	1.1
37			$ns->send_drawinfo (
38			"That player is already logged in on this server. "
39			. "If you want to create a new player, choose another name. "
40	root	1.59	. "If you have already a registered, make sure nobody "
41			. "else is using your account at this time. If you lost your connection "
42	root	1.1	. "then the server will likely timeout within a minute. If you still "
43			. "cannot log-in after a minute, you are still logged in. Make sure "
44			. "you do not have another client running. If you use windows, reboot, "
45			. "this will fix anything.",
46			cf::NDI_RED
47			);
48
49			1
50			}
51
52	root	1.79	sub safe_spot($) {
53			my ($pl) = @_;
54
55			my $ob = $pl->ob;
56	root	1.76
57	root	1.79	my $m = $ob->map
58			or return;
59			my $x = $ob->x;
60			my $y = $ob->y;
61
62	root	1.113	# never happens normally, but helps when shell users make mistakes
63	root	1.116	$m->linkable
64	root	1.113	or return 1;
65
66	root	1.76	scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
67			}
68
69	root	1.48	sub enter_map {
70	root	1.11	my ($pl) = @_;
71
72	root	1.62	my $ob = $pl->ob;
73
74	root	1.48	my ($map, $x, $y)
75	root	1.62	= $ob->{_link_pos}
76			? @{delete $ob->{_link_pos}}
77			: ($pl->maplevel, $ob->x, $ob->y);
78	root	1.48
79	root	1.62	$ob->enter_link;
80	root	1.48
81	root	1.77	my $m = cf::map::find $map;
82			my $time = delete $pl->{unclean_save};
83
84	root	1.79	if ($time && $m) {
85	root	1.77	if ($time < $m->{instantiate_time}) {
86			# the map was reset in the meantime
87			my $age = $cf::RUNTIME - $time;
88
89	root	1.107	cf::info $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
90	root	1.77
91			if ($age >= $MAX_DISCONNECT_TIME) {
92			$ob->message (
93			"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
94			. "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
95			. "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
96			. "H<You disconnected too long without having used a savebed.>",
97			cf::NDI_RED
98			);
99			# kill them.
100			# reminds me of the famous badness 10000 syndrome...
101			$ob->stats->hp (-10000); #] if they survive this they deserved to live
102	root	1.86	my $killer = cf::arch::get "killer_login"; $pl->killer ($killer); $killer->destroy;
103	root	1.48	} else {
104	root	1.81	($map, $x, $y) = $pl->savebed;
105
106	root	1.64	$ob->message (
107	root	1.77	"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
108			. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
109			. "Better use a savebed next time, much worse things could have happened... "
110			. "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
111	root	1.48	cf::NDI_RED
112			);
113			}
114	root	1.77	} else {
115			$ob->message (
116			"You didn't use a bed to reality to leave this realm. This is very dangerous, "
117			. "as lots of things could happen when you leave by other means, such as cave-ins, "
118			. "or monsters suddenly snapping your body. Better use a savebed next time. "
119			. "H<Always apply a bed of reality to disconnect from the server.>",
120			cf::NDI_RED
121			);
122	root	1.48	}
123	root	1.11	}
124	root	1.48
125	root	1.100	$ob->goto ($map, $x, $y);
126	root	1.11	}
127
128	root	1.110	sub encode_password($) {
129	root	1.127	unpack "H*", Deliantra::Util::hash_pw $_[0]
130	root	1.110	}
131
132			sub compare_password($$) {
133			my ($pass, $token) = @_;
134
135	root	1.118	if ($token =~ /!!(.*)/) {
136			return +(substr $pass, 0, 8) eq pack "H*", $1;
137			} elsif ($token =~ /!(.*)/) {
138	root	1.110	return $pass eq pack "H*", $1;
139			} else {
140			return $token eq crypt $pass, $token;
141			}
142	elmex	1.106	}
143
144	root	1.111	# delete a player directory
145	root	1.1	sub nuke_playerdir {
146			my ($user) = @_;
147
148	root	1.111	my $lock = cf::lock_acquire "ext::login::nuke_playerdir";
149
150	root	1.71	my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
151	root	1.111	aio_rename "$PLAYERDIR/$user", $temp;
152			IO::AIO::aio_rmtree $temp;
153	root	1.1	}
154
155	root	1.125	sub login {
156	root	1.119	my ($pl) = @_;
157
158	root	1.125	# handle character creation, if neccessary
159			# the rest of this function is character creation
160	root	1.119
161	root	1.125	my $ns = $pl->ns;
162			my $ob = $pl->ob;
163	root	1.119
164	root	1.125	$Coro::current->{desc} = "addme(" . $ob->name . ") login";
165	root	1.119
166	root	1.127	if ($pl->{chargen} eq "init") {
167			$ob->goto ($pl->maplevel, $ob->x, $ob->y);
168	root	1.119
169	root	1.125	# create the playerdir, if necessary, as chargen_race_done did it before
170			# presumably because of unique maps
171			aio_mkdir playerdir $pl, 0770;
172	root	1.127	delete $pl->{deny_save}; # set by new
173	root	1.125	$pl->save;
174	root	1.119
175	root	1.125	$pl->{chargen} = "stats";
176			}
177	root	1.119
178	root	1.125	if ($pl->{chargen} eq "stats") {
179			while () {
180			$ob->update_stats;
181			$pl->save_stats;
182
183			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
184			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
185
186			if ($res =~ /^[Nn]/) {
187			last;
188			} elsif ($res > 0 && $res <= 7) {
189			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
190	root	1.119
191	root	1.125	if ($swap > 0 && $swap <= 7) {
192			$ob->swap_stats ($res - 1, $swap - 1);
193			}
194			} else {
195			$ob->roll_stats;
196			}
197	root	1.119
198	root	1.125	Coro::Timer::sleep 0.05;
199	root	1.119	}
200
201	root	1.125	$ob->set_animation (2);
202			$ob->add_statbonus;
203
204			$pl->{chargen} = "race";
205	root	1.119	}
206
207	root	1.125	if ($pl->{chargen} eq "race") {
208			while () {
209			$ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
210			my $msg = $ob->msg;
211			$msg =~ s/(?<=\S)\n(?=\S)/ /g;
212			$ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
213	root	1.119
214	root	1.125	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
215			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
216	root	1.119
217	root	1.125	last if $res =~ /[dD]/;
218	root	1.119
219	root	1.125	$pl->chargen_race_next;
220			Coro::Timer::sleep 0.05;
221			}
222
223			$pl->chargen_race_done;
224			$pl->{chargen} = "gender";
225			}
226	root	1.119
227	root	1.125	if ($pl->{chargen} eq "race") {
228			while () {
229			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
230			"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
231
232			if ($res =~ /^[fF]/) {
233			$pl->gender (1);
234			last;
235			} elsif ($res =~ /^[mM]/) {
236			$pl->gender (0);
237			last;
238			}
239			Coro::Timer::sleep 0.05;
240			}
241			$pl->{chargen} = "done";
242	root	1.119	}
243
244	root	1.125	$ns->state (cf::ST_PLAYING);
245	root	1.119
246	root	1.125	if ($pl->{chargen} eq "done") {
247			# XXX: Workaround for delayed client ext protocol handshake
248			$pl->esrv_new_player;
249	root	1.119
250	root	1.125	$pl->{chargen} = "done";
251	root	1.119	}
252
253			$ob->reply (undef, "Welcome to Deliantra!");
254
255	root	1.125	if (0 < Coro::AIO::aio_load "$cf::CONFDIR/motd", my $motd) {
256			$pl->ns->send_msg ("c/motd" => $motd, cf::NDI_CLEAR);
257			}
258			}
259
260			sub chargen {
261	root	1.127	my ($ns, $user, $hash) = @_;
262	root	1.125
263			# lock again, too lazy to make this nicer
264			local $cf::LOGIN_LOCK{$user} = 1;
265
266			# just to make sure nothing is left over
267			# normally, nothing is there.
268			nuke_playerdir $user;
269
270			my $pl = cf::player::new $user;
271	root	1.127	$pl->password (unpack "H*", $hash);
272	root	1.125	$pl->connect ($ns);
273	root	1.119
274	root	1.125	$pl->{chargen} = "init";
275
276			login $pl;
277	root	1.119	}
278
279	root	1.60	cf::client->attach (on_addme => sub {
280	root	1.1	my ($ns) = @_;
281
282	root	1.123	$ns->{addme}++ and return $ns->destroy;
283	root	1.1
284	root	1.10	$ns->async (sub {
285	root	1.72	$Coro::current->{desc} = "addme init";
286
287	root	1.1	my ($user, $pass);
288
289			$ns->send_packet ("addme_success");
290
291			for (;;) {
292			$ns->send_drawinfo (
293			"Please enter your username now. If you are a new user, "
294			. "make one up that describes your character best. "
295			. "Only letters and digits are allowed, though.",
296			cf::NDI_BLUE
297			);
298
299			# read username
300			while () {
301	root	1.89	$user = query $ns, 0, "What is your name? (login names are case-sensitive)\n:";
302	root	1.3
303			if ($cf::LOGIN_LOCK{$user}) {
304			$ns->send_drawinfo (
305			"That username is currently used in another login session. "
306			. "Chose another, or wait till the other session has ended.",
307			cf::NDI_RED
308			);
309	root	1.125	} elsif ($user =~ $VALID_LOGIN) {
310	root	1.3	last;
311			} else {
312			$ns->send_drawinfo (
313			"Your username contains illegal characters "
314			. "(only a-z, A-Z and 0-9 are allowed), "
315	root	1.92	. "or is not between 3 and 20 characters in length.",
316	root	1.3	cf::NDI_RED
317			);
318			}
319	root	1.61	Coro::Timer::sleep 0.4;
320	root	1.1	}
321
322			check_playing $ns, $user and next;
323
324	root	1.72	$Coro::current->{desc} = "addme($user) pass";
325
326	root	1.1	$ns->send_drawinfo (
327			"Welcome $user, please enter your password now. "
328			. "New users should now choose a password. "
329			. "Anything your client lets you enter is fine.",
330			cf::NDI_BLUE
331			);
332
333			# read password
334			while () {
335			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
336			last if $pass =~ /.../;
337			$ns->send_drawinfo (
338			"Try to use at least three characters as your password please, "
339			. "that cannot be too much to ask for :)",
340			cf::NDI_RED
341			);
342	root	1.61	Coro::Timer::sleep 0.4;
343	root	1.1	}
344
345	root	1.3	# lock this username for the remainder of this login session
346			if ($cf::LOGIN_LOCK{$user}) {
347			$ns->send_drawinfo (
348			"That username is currently used in another login session. "
349			. "Chose another, or wait till the other session has ended.",
350			cf::NDI_RED
351			);
352			next;
353			}
354			local $cf::LOGIN_LOCK{$user} = 1;
355
356			check_playing $ns, $user and next;
357
358	root	1.72	$Coro::current->{desc} = "addme($user) check";
359
360	root	1.1	# try to read the user file and check the password
361	root	1.19	if (my $pl = cf::player::find $user) {
362			aio_stat $pl->path and next;
363			my $mtime = (stat _)[9];
364	root	1.110	my $token = $pl->password;
365	root	1.1
366	root	1.110	if ($cf::CFG{ext_login_nocheck} or compare_password $pass, $token) {
367	root	1.119	# player exists and passwords match - we can proceed
368
369	root	1.1	# password matches, wonderful
370	root	1.11	my $pl = cf::player::find $user or next;
371	root	1.1	$pl->connect ($ns);
372	root	1.48	enter_map $pl;
373	root	1.125	login $pl;
374	root	1.119	return;
375	root	1.19	} elsif (can_cleanup $pl, $mtime) {
376	root	1.1	Coro::Timer::sleep 1;
377
378			$ns->send_drawinfo (
379	root	1.3	"Player exists, but password does not match. If this is your account, "
380			. "please try again. If not, you can now decide to take over this account "
381	root	1.1	. "because it has not been in-use for some time.",
382			cf::NDI_RED
383			);
384
385			(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
386			or next;
387
388			# check if the file hasn't changed
389	root	1.11	aio_stat cf::player::path $user and next;
390	root	1.1	$mtime == (stat _)[9] or next;
391
392	root	1.19	$pl->quit_character;
393	root	1.1
394			# fall through to creation
395			} else {
396			Coro::Timer::sleep 1;
397
398			$ns->send_drawinfo (
399			"Wrong username or password. Please try again "
400			. "(check for Numlock and other semi-obvious error sources).",
401			cf::NDI_RED
402			);
403			next;
404			}
405	root	1.37	} else {
406			# unable to load the playerfile:
407	root	1.114	# check whether the player dir exists, which means the file is corrupted or
408	root	1.37	# something very similar.
409			if (!aio_stat cf::player::playerdir $user) {
410			$ns->send_drawinfo (
411			"Unable to retrieve this player. It might be a locked or broken account. "
412			. "If this is your account, ask a dungeon master for assistance. "
413			. "Otherwise choose a different login name.",
414			cf::NDI_RED
415			);
416			next;
417			}
418	root	1.1	}
419
420	root	1.120	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
421
422			if ($pass2 ne $pass) {
423			$ns->send_drawinfo (
424			"The passwords do not match, please try again.",
425			cf::NDI_RED
426			);
427			Coro::Timer::sleep 0.5;
428			next;
429			}
430
431	root	1.1	last;
432			}
433	root	1.101
434	root	1.125	chargen $ns, $user, Deliantra::Util::hash_pw $pass;
435	root	1.1	});
436	root	1.60	});
437	root	1.1
438	root	1.121	cf::client->attach (
439			on_version => sub {
440			my ($ns, $arg) = @_;
441
442	root	1.125	# perl probably uses lrand48, which is not secure at all
443			# maybe require linux and use /dev/urandom.
444	root	1.123	$ns->{nonces} = [map { join "", map { chr rand 256 } 0..63 } 1..2];
445			$ns->ext_msg (nonces => @{ $ns->{nonces} });
446	root	1.121	},
447			);
448
449	root	1.125	cf::register_async_exticmd create_login => sub {
450			my ($ns, $reply, $user, $pass) = @_;
451
452			$ns->{addme}++ and return $ns->destroy;
453
454			$ns->async (sub {
455			my $fail = sub {
456			$reply->(0, $_[0]);
457			$ns->flush; # does not ensure that the data reaches the client - TODO
458			# need to do this in another thread, as this one gets canceled
459			Coro::async_pool {
460			Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
461	root	1.126	$ns->destroy if $ns->valid;
462	root	1.125	};
463			Coro::schedule; # do the destroy, should not return
464			};
465
466			$user =~ $VALID_LOGIN
467			or return $fail (
468			"Your username contains illegal characters (only a-z, A-Z and 0-9 are allowed), "
469			. "or is not between 3 and 20 characters in length."
470			);
471
472			cf::player::find $user
473			and return $fail->("User '$user' already exists - choose another login name.");
474
475	root	1.127	chargen $ns, $user, $pass;
476	root	1.125	});
477			};
478	root	1.121
479			cf::register_async_exticmd login => sub {
480			my ($ns, $reply, $user, $hash) = @_;
481
482	root	1.123	$ns->{addme}++ and return $ns->destroy;
483
484			$ns->async (sub {
485			local $cf::LOGIN_LOCK{$user} = 1;
486
487			$Coro::current->{desc} = "login($user) check";
488
489			my $fail = sub {
490			$reply->(0, $_[0]);
491			$ns->flush; # does not ensure that the data reaches the client - TODO
492			# need to do this in another thread, as this one gets canceled
493			Coro::async_pool {
494			Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
495	root	1.126	$ns->destroy if $ns->valid;
496	root	1.123	};
497			Coro::schedule; # do the destroy, should not return
498			};
499
500			# try to read the user file and check the password
501			my $pl = cf::player::find $user
502			or return $fail->("User '$user' does not exist - wrong spelling?");
503
504			aio_stat $pl->path
505			and return $ns->destroy;
506
507			my $mtime = (stat _)[9];
508			my $token = $pl->password;
509
510			$token = $token =~ /^!/
511			? Deliantra::Util::hash_pw pack "H*", substr $token, 1
512			: pack "H*", $token;
513
514			$token = Deliantra::Util::auth_pw $token, $ns->{nonces}[0], $ns->{nonces}[1];
515
516			$token eq $hash
517			or $cf::CFG{ext_login_nocheck}
518			or return $fail->("User exists, but the password doesn't match - check your spelling, NumLock/CapsLock etc.");
519
520			# player exists and passwords match - we can proceed
521
522	root	1.125	$reply->(1, "Success");
523
524	root	1.123	$pl->connect ($ns);
525			enter_map $pl;
526	root	1.125	login $pl;
527	root	1.123	});
528	root	1.121	};
529
530	elmex	1.106	cf::register_command password => sub {
531			my ($pl, $arg) = @_;
532
533	elmex	1.112	unless ($pl->flag (cf::FLAG_WIZ)) {
534			$pl->message (
535			"The password can currently only changed by a DM.",
536			cf::NDI_UNIQUE \| cf::NDI_REPLY);
537			return;
538			}
539
540	root	1.124	$pl->message (#d#
541			"Passwords cannot currently be changed.",#d#
542			cf::NDI_UNIQUE \| cf::NDI_REPLY);#d#
543			return;#d#
544
545	elmex	1.106	my (@args) = split /\s+/, $arg;
546	elmex	1.112	my ($player, $new_pw) = @args;
547	elmex	1.106
548			if ($pl->flag (cf::FLAG_WIZ) && $player eq '') {
549			$pl->message (
550			"Usage: password <player> [<new password>]",
551			cf::NDI_UNIQUE \| cf::NDI_REPLY);
552			return;
553			}
554
555	elmex	1.112	if ($new_pw eq '') {
556			$new_pw =
557			join '',
558			map { ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[(cf::rndm 64)] }
559			1..9;
560			}
561	elmex	1.106
562	elmex	1.112	cf::async {
563			my $plc = cf::player::find $player;
564			if ($plc) {
565			$plc->password (encode_password $new_pw);
566	elmex	1.106	$pl->message (
567	elmex	1.112	"Ok, changed password of '$player' to '$new_pw'!",
568	elmex	1.106	cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
569			} else {
570			$pl->message (
571	elmex	1.112	"Fail! Couldn't set password for '$player', "
572			. "he doesn't seem to exist!",
573	elmex	1.106	cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
574			}
575	elmex	1.112	};
576	elmex	1.106	};
577
578	root	1.12	cf::register_command quit => sub {
579			my ($ob, $arg) = @_;
580
581	root	1.95	$ob->send_msg (undef,
582			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
583			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
584			cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
585	root	1.12	};
586
587			cf::register_command quit_character => sub {
588			my ($ob, $arg) = @_;
589
590			my $pl = $ob->contr;
591
592			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
593			if ($_[0] !~ /^[yY]/) {
594	root	1.95	$ob->send_msg (undef, "Ok, not not quitting then.", cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
595	root	1.12	} else {
596	root	1.95	$ob->send_msg (undef, "Ok, quitting, hope to see you again.", cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
597	root	1.105	cf::async {
598			$pl->quit_character;
599			};
600	root	1.12	}
601			});
602			};
603	root	1.11
604	root	1.1	cf::object->attach (
605			type => cf::SAVEBED,
606			on_apply => sub {
607			my ($bed, $ob) = @_;
608
609			return cf::override 0 unless $ob->type == cf::PLAYER;
610
611	root	1.15	my $pl = $ob->contr;
612	root	1.11
613	root	1.1	# update respawn position
614	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
615	root	1.1
616	root	1.111	cf::async {
617			my $killer = cf::arch::get "killer_logout"; $pl->killer ($killer); $killer->destroy;
618			ext::highscore::check $ob;
619
620			$pl->save;
621	root	1.1
622	root	1.111	$ob->send_msg ($cf::SAY_CHANNEL => "In the future, you will wake up here when you die.", cf::NDI_DEF \| cf::NDI_REPLY);
623	root	1.1
624	root	1.115	my $ns = $pl->ns
625			or return;
626
627			$ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
628	root	1.111	if ($_[0] !~ /^[yY]/) {
629			$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
630			$pl->deactivate;
631			$pl->ns->destroy;
632			}
633			});
634			};
635	root	1.1	},
636			);
637
638	root	1.8	cf::player->attach (
639			on_login => sub {
640			my ($pl) = @_;
641			my $name = $pl->ob->name;
642
643			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
644			},
645			on_logout => sub {
646			my ($pl, $cleanly) = @_;
647			my $name = $pl->ob->name;
648
649			if ($cleanly) {
650			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
651			} else {
652			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
653	root	1.79	$pl->{unclean_save} = $cf::RUNTIME
654			unless safe_spot $pl;
655	root	1.8	}
656			},
657			);
658