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>;
our %LOGIN_LOCK;

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
}

# return a guard object for a lock on the given username, if available
sub login_guard {
   my ($user) = @_;

   exists $LOGIN_LOCK{$user}
      and return undef;

   cf::player::find_active $user
      and return undef;

   undef $LOGIN_LOCK{$user};
   Guard::guard { delete $LOGIN_LOCK{$user} }
}

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 | cf::NDI_REPLY
            );
            # 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 | cf::NDI_REPLY
            );
         }
      } 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 | cf::NDI_REPLY
         );
      }
   }

   $ob->goto ($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;

   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) = @_;

   # 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 (;;) {
         delete $ns->{login_guard};

         $ns->send_msg (log =>
            "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 | cf::NDI_REPLY
         );

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

            if ($user =~ $VALID_LOGIN) {
               last;
            } else {
               $ns->send_msg (log =>
                  "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 | cf::NDI_REPLY
               );
            }
            Coro::Timer::sleep 0.4;
         }

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

         $ns->send_msg (log =>
            "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 | cf::NDI_REPLY
         );

         # read password
         while () {
            $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
            last if $pass =~ /.../;
            $ns->send_msg (log =>
               "Try to use at least three characters as your password please, "
             . "that cannot be too much to ask for :)",
               cf::NDI_RED | cf::NDI_REPLY
            );
            Coro::Timer::sleep 0.4;
         }

         $ns->{login_guard} = login_guard $user
            or do {
               $ns->send_msg (log =>
                  "That user is already logged in (or is logging in)."
                . "Chose another, or wait till the other session has ended.",
                  cf::NDI_RED | cf::NDI_REPLY
               );
               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 $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_msg (log =>
                  "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 | cf::NDI_REPLY
               );

               (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_msg (log =>
                  "Wrong username or password. Please try again "
                . "(check for Numlock and other semi-obvious error sources).",
                  cf::NDI_RED | cf::NDI_REPLY
               );
               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_msg ( log =>
                  "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 | cf::NDI_REPLY
               );
               next;
            }
         }

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

         if ($pass2 ne $pass) {
            $ns->send_msg (log =>
               "The passwords do not match, please try again.",
               cf::NDI_RED | cf::NDI_REPLY
            );
            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."
            );

      $ns->{login_guard} = login_guard $user
         or return $fail->("User name '$user' is in use - try another login name.");

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

      $reply->(1, "Account Created");

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

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

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

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

      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
      };

      $ns->{login_guard} = login_guard $user
         or return $fail->("User '$user' is currently playing or logging in in another session. If that is your "
                           . "user name, make sure you are not running two clients. When in doubt, reboot.");

      # 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:	1.130
Committed:	Sun Nov 18 10:00:55 2012 UTC (11 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.129:	+21 -29 lines
Log Message:	drawinfo
#	Content
1	#! perl # mandatory depends=highscore
2
3	# login handling
4
5	use Fcntl;
6	use Coro::AIO;
7	use Deliantra::Util ();
8
9	CONF MAX_DISCONNECT_TIME = 3600;
10
11	our $VALID_LOGIN = qr<^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,19}\z>;
12	our %LOGIN_LOCK;
13
14	sub query {
15	my ($ns, $flags, $text) = @_;
16
17	$ns->query ($flags, $text, Coro::rouse_cb);
18	Coro::rouse_wait
19	}
20
21	sub can_cleanup {
22	my ($pl, $mtime) = @_;
23
24	my $age = time - $mtime;
25	my $level = $pl->ob->level;
26
27	($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
28	\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
29	\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
30	\|\| $age > 700 * 86400 # 2 years for everybody else
31	}
32
33	# return a guard object for a lock on the given username, if available
34	sub login_guard {
35	my ($user) = @_;
36
37	exists $LOGIN_LOCK{$user}
38	and return undef;
39
40	cf::player::find_active $user
41	and return undef;
42
43	undef $LOGIN_LOCK{$user};
44	Guard::guard { delete $LOGIN_LOCK{$user} }
45	}
46
47	sub safe_spot($) {
48	my ($pl) = @_;
49
50	my $ob = $pl->ob;
51
52	my $m = $ob->map
53	or return;
54	my $x = $ob->x;
55	my $y = $ob->y;
56
57	# never happens normally, but helps when shell users make mistakes
58	$m->linkable
59	or return 1;
60
61	scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
62	}
63
64	sub enter_map {
65	my ($pl) = @_;
66
67	my $ob = $pl->ob;
68
69	my ($map, $x, $y)
70	= $ob->{_link_pos}
71	? @{delete $ob->{_link_pos}}
72	: ($pl->maplevel, $ob->x, $ob->y);
73
74	$ob->enter_link;
75
76	my $m = cf::map::find $map;
77	my $time = delete $pl->{unclean_save};
78
79	if ($time && $m) {
80	if ($time < $m->{instantiate_time}) {
81	# the map was reset in the meantime
82	my $age = $cf::RUNTIME - $time;
83
84	cf::info $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
85
86	if ($age >= $MAX_DISCONNECT_TIME) {
87	$ob->message (
88	"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
89	. "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
90	. "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
91	. "H<You disconnected too long without having used a savebed.>",
92	cf::NDI_RED \| cf::NDI_REPLY
93	);
94	# kill them.
95	# reminds me of the famous badness 10000 syndrome...
96	$ob->stats->hp (-10000); #] if they survive this they deserved to live
97	my $killer = cf::arch::get "killer_login"; $pl->killer ($killer); $killer->destroy;
98	} else {
99	($map, $x, $y) = $pl->savebed;
100
101	$ob->message (
102	"You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
103	. "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
104	. "Better use a savebed next time, much worse things could have happened... "
105	. "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
106	cf::NDI_RED \| cf::NDI_REPLY
107	);
108	}
109	} else {
110	$ob->message (
111	"You didn't use a bed to reality to leave this realm. This is very dangerous, "
112	. "as lots of things could happen when you leave by other means, such as cave-ins, "
113	. "or monsters suddenly snapping your body. Better use a savebed next time. "
114	. "H<Always apply a bed of reality to disconnect from the server.>",
115	cf::NDI_RED \| cf::NDI_REPLY
116	);
117	}
118	}
119
120	$ob->goto ($map, $x, $y);
121	}
122
123	sub encode_password($) {
124	unpack "H*", Deliantra::Util::hash_pw $_[0]
125	}
126
127	sub compare_password($$) {
128	my ($pass, $token) = @_;
129
130	if ($token =~ /!!(.*)/) {
131	return +(substr $pass, 0, 8) eq pack "H*", $1;
132	} elsif ($token =~ /!(.*)/) {
133	return $pass eq pack "H*", $1;
134	} else {
135	return $token eq crypt $pass, $token;
136	}
137	}
138
139	# delete a player directory
140	sub nuke_playerdir {
141	my ($user) = @_;
142
143	my $lock = cf::lock_acquire "ext::login::nuke_playerdir";
144
145	my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
146	aio_rename "$PLAYERDIR/$user", $temp;
147	IO::AIO::aio_rmtree $temp;
148	}
149
150	sub login {
151	my ($pl) = @_;
152
153	# handle character creation, if neccessary
154	# the rest of this function is character creation
155
156	my $ns = $pl->ns;
157	my $ob = $pl->ob;
158
159	if ($pl->{chargen} eq "init") {
160	$ob->goto ($pl->maplevel, $ob->x, $ob->y);
161
162	# create the playerdir, if necessary, as chargen_race_done did it before
163	# presumably because of unique maps
164	aio_mkdir playerdir $pl, 0770;
165	delete $pl->{deny_save}; # set by new
166	$pl->save;
167
168	$pl->{chargen} = "stats";
169	}
170
171	if ($pl->{chargen} eq "stats") {
172	while () {
173	$ob->update_stats;
174	$pl->save_stats;
175
176	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
177	"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
178
179	if ($res =~ /^[Nn]/) {
180	last;
181	} elsif ($res > 0 && $res <= 7) {
182	my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
183
184	if ($swap > 0 && $swap <= 7) {
185	$ob->swap_stats ($res - 1, $swap - 1);
186	}
187	} else {
188	$ob->roll_stats;
189	}
190
191	Coro::Timer::sleep 0.05;
192	}
193
194	$ob->set_animation (2);
195	$ob->add_statbonus;
196
197	$pl->{chargen} = "race";
198	}
199
200	if ($pl->{chargen} eq "race") {
201	while () {
202	$ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
203	my $msg = $ob->msg;
204	$msg =~ s/(?<=\S)\n(?=\S)/ /g;
205	$ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
206
207	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
208	"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
209
210	last if $res =~ /[dD]/;
211
212	$pl->chargen_race_next;
213	Coro::Timer::sleep 0.05;
214	}
215
216	$pl->chargen_race_done;
217	$pl->{chargen} = "gender";
218	}
219
220	if ($pl->{chargen} eq "race") {
221	while () {
222	my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
223	"Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
224
225	if ($res =~ /^[fF]/) {
226	$pl->gender (1);
227	last;
228	} elsif ($res =~ /^[mM]/) {
229	$pl->gender (0);
230	last;
231	}
232	Coro::Timer::sleep 0.05;
233	}
234	$pl->{chargen} = "done";
235	}
236
237	$ns->state (cf::ST_PLAYING);
238
239	if ($pl->{chargen} eq "done") {
240	# XXX: Workaround for delayed client ext protocol handshake
241	$pl->esrv_new_player;
242
243	$pl->{chargen} = "done";
244	}
245
246	$ob->reply (undef, "Welcome to Deliantra!");
247
248	if (0 < Coro::AIO::aio_load "$cf::CONFDIR/motd", my $motd) {
249	$pl->ns->send_msg ("c/motd" => $motd, cf::NDI_CLEAR);
250	}
251	}
252
253	sub chargen {
254	my ($ns, $user, $hash) = @_;
255
256	# just to make sure nothing is left over
257	# normally, nothing is there.
258	nuke_playerdir $user;
259
260	my $pl = cf::player::new $user;
261	$pl->password (unpack "H*", $hash);
262	$pl->connect ($ns);
263
264	$pl->{chargen} = "init";
265
266	login $pl;
267	}
268
269	cf::client->attach (on_addme => sub {
270	my ($ns) = @_;
271
272	$ns->{addme}++ and return $ns->destroy;
273
274	$ns->async (sub {
275	$Coro::current->{desc} = "addme init";
276
277	my ($user, $pass);
278
279	$ns->send_packet ("addme_success");
280
281	for (;;) {
282	delete $ns->{login_guard};
283
284	$ns->send_msg (log =>
285	"Please enter your username now. If you are a new user, "
286	. "make one up that describes your character best. "
287	. "Only letters and digits are allowed, though.",
288	cf::NDI_BLUE \| cf::NDI_REPLY
289	);
290
291	# read username
292	while () {
293	$user = query $ns, 0, "What is your name? (login names are case-sensitive)\n:";
294
295	if ($user =~ $VALID_LOGIN) {
296	last;
297	} else {
298	$ns->send_msg (log =>
299	"Your username contains illegal characters "
300	. "(only a-z, A-Z and 0-9 are allowed), "
301	. "or is not between 3 and 20 characters in length.",
302	cf::NDI_RED \| cf::NDI_REPLY
303	);
304	}
305	Coro::Timer::sleep 0.4;
306	}
307
308	$Coro::current->{desc} = "addme($user)";
309
310	$ns->send_msg (log =>
311	"Welcome $user, please enter your password now. "
312	. "New users should now choose a password. "
313	. "Anything your client lets you enter is fine.",
314	cf::NDI_BLUE \| cf::NDI_REPLY
315	);
316
317	# read password
318	while () {
319	$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
320	last if $pass =~ /.../;
321	$ns->send_msg (log =>
322	"Try to use at least three characters as your password please, "
323	. "that cannot be too much to ask for :)",
324	cf::NDI_RED \| cf::NDI_REPLY
325	);
326	Coro::Timer::sleep 0.4;
327	}
328
329	$ns->{login_guard} = login_guard $user
330	or do {
331	$ns->send_msg (log =>
332	"That user is already logged in (or is logging in)."
333	. "Chose another, or wait till the other session has ended.",
334	cf::NDI_RED \| cf::NDI_REPLY
335	);
336	next;
337	};
338
339	# try to read the user file and check the password
340	if (my $pl = cf::player::find $user) {
341	aio_stat $pl->path and next;
342	my $mtime = (stat _)[9];
343	my $token = $pl->password;
344
345	if ($cf::CFG{ext_login_nocheck} or compare_password $pass, $token) {
346	# player exists and passwords match - we can proceed
347
348	# password matches, wonderful
349	my $pl = cf::player::find $user or next;
350	$pl->connect ($ns);
351	enter_map $pl;
352	login $pl;
353	return;
354	} elsif (can_cleanup $pl, $mtime) {
355	Coro::Timer::sleep 1;
356
357	$ns->send_msg (log =>
358	"Player exists, but password does not match. If this is your account, "
359	. "please try again. If not, you can now decide to take over this account "
360	. "because it has not been in-use for some time.",
361	cf::NDI_RED \| cf::NDI_REPLY
362	);
363
364	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
365	or next;
366
367	# check if the file hasn't changed
368	aio_stat cf::player::path $user and next;
369	$mtime == (stat _)[9] or next;
370
371	$pl->quit_character;
372
373	# fall through to creation
374	} else {
375	Coro::Timer::sleep 1;
376
377	$ns->send_msg (log =>
378	"Wrong username or password. Please try again "
379	. "(check for Numlock and other semi-obvious error sources).",
380	cf::NDI_RED \| cf::NDI_REPLY
381	);
382	next;
383	}
384	} else {
385	# unable to load the playerfile:
386	# check whether the player dir exists, which means the file is corrupted or
387	# something very similar.
388	if (!aio_stat cf::player::playerdir $user) {
389	$ns->send_msg ( log =>
390	"Unable to retrieve this player. It might be a locked or broken account. "
391	. "If this is your account, ask a dungeon master for assistance. "
392	. "Otherwise choose a different login name.",
393	cf::NDI_RED \| cf::NDI_REPLY
394	);
395	next;
396	}
397	}
398
399	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
400
401	if ($pass2 ne $pass) {
402	$ns->send_msg (log =>
403	"The passwords do not match, please try again.",
404	cf::NDI_RED \| cf::NDI_REPLY
405	);
406	Coro::Timer::sleep 0.5;
407	next;
408	}
409
410	last;
411	}
412
413	chargen $ns, $user, Deliantra::Util::hash_pw $pass;
414	});
415	});
416
417	cf::client->attach (
418	on_version => sub {
419	my ($ns, $arg) = @_;
420
421	# perl probably uses lrand48, which is not secure at all
422	# maybe require linux and use /dev/urandom.
423	$ns->{nonces} = [map { join "", map { chr rand 256 } 0..63 } 1..2];
424	$ns->ext_msg (nonces => @{ $ns->{nonces} });
425	},
426	);
427
428	cf::register_async_exticmd create_login => sub {
429	my ($ns, $reply, $user, $pass) = @_;
430
431	$ns->{addme}++ and return $ns->destroy;
432
433	$ns->async (sub {
434	my $fail = sub {
435	$reply->(0, $_[0]);
436	$ns->flush; # does not ensure that the data reaches the client - TODO
437	# need to do this in another thread, as this one gets canceled
438	Coro::async_pool {
439	Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
440	$ns->destroy if $ns->valid;
441	};
442	Coro::schedule; # do the destroy, should not return
443	};
444
445	$user =~ $VALID_LOGIN
446	or return $fail (
447	"Your username contains illegal characters (only a-z, A-Z and 0-9 are allowed), "
448	. "or is not between 3 and 20 characters in length."
449	);
450
451	$ns->{login_guard} = login_guard $user
452	or return $fail->("User name '$user' is in use - try another login name.");
453
454	cf::player::find $user
455	and return $fail->("User name '$user' is already registered - choose another login name.");
456
457	$reply->(1, "Account Created");
458
459	chargen $ns, $user, $pass;
460	});
461	};
462
463	cf::register_async_exticmd login => sub {
464	my ($ns, $reply, $user, $hash) = @_;
465
466	$ns->{addme}++ and return $ns->destroy;
467
468	$ns->async (sub {
469	$Coro::current->{desc} = "login($user)";
470
471	my $fail = sub {
472	$reply->(0, $_[0]);
473	$ns->flush; # does not ensure that the data reaches the client - TODO
474	# need to do this in another thread, as this one gets canceled
475	Coro::async_pool {
476	Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
477	$ns->destroy if $ns->valid;
478	};
479	Coro::schedule; # do the destroy, should not return
480	};
481
482	$ns->{login_guard} = login_guard $user
483	or return $fail->("User '$user' is currently playing or logging in in another session. If that is your "
484	. "user name, make sure you are not running two clients. When in doubt, reboot.");
485
486	# try to read the user file and check the password
487	my $pl = cf::player::find $user
488	or return $fail->("User '$user' does not exist - wrong spelling?");
489
490	aio_stat $pl->path
491	and return $ns->destroy;
492
493	my $mtime = (stat _)[9];
494	my $token = $pl->password;
495
496	$token = $token =~ /^!/
497	? Deliantra::Util::hash_pw pack "H*", substr $token, 1
498	: pack "H*", $token;
499
500	$token = Deliantra::Util::auth_pw $token, $ns->{nonces}[0], $ns->{nonces}[1];
501
502	$token eq $hash
503	or $cf::CFG{ext_login_nocheck}
504	or return $fail->("User exists, but the password doesn't match - check your spelling, NumLock/CapsLock etc.");
505
506	# player exists and passwords match - we can proceed
507
508	$reply->(1, "Success");
509
510	$pl->connect ($ns);
511	enter_map $pl;
512	login $pl;
513	});
514	};
515
516	cf::register_command password => sub {
517	my ($pl, $arg) = @_;
518
519	unless ($pl->flag (cf::FLAG_WIZ)) {
520	$pl->message (
521	"The password can currently only changed by a DM.",
522	cf::NDI_UNIQUE \| cf::NDI_REPLY);
523	return;
524	}
525
526	$pl->message (#d#
527	"Passwords cannot currently be changed.",#d#
528	cf::NDI_UNIQUE \| cf::NDI_REPLY);#d#
529	return;#d#
530
531	my (@args) = split /\s+/, $arg;
532	my ($player, $new_pw) = @args;
533
534	if ($pl->flag (cf::FLAG_WIZ) && $player eq '') {
535	$pl->message (
536	"Usage: password <player> [<new password>]",
537	cf::NDI_UNIQUE \| cf::NDI_REPLY);
538	return;
539	}
540
541	if ($new_pw eq '') {
542	$new_pw =
543	join '',
544	map { ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[(cf::rndm 64)] }
545	1..9;
546	}
547
548	cf::async {
549	my $plc = cf::player::find $player;
550	if ($plc) {
551	$plc->password (encode_password $new_pw);
552	$pl->message (
553	"Ok, changed password of '$player' to '$new_pw'!",
554	cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
555	} else {
556	$pl->message (
557	"Fail! Couldn't set password for '$player', "
558	. "he doesn't seem to exist!",
559	cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
560	}
561	};
562	};
563
564	cf::register_command quit => sub {
565	my ($ob, $arg) = @_;
566
567	$ob->send_msg (undef,
568	"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
569	. "If you are sure you want to do this, then use the quit_character command instead of quit.",
570	cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
571	};
572
573	cf::register_command quit_character => sub {
574	my ($ob, $arg) = @_;
575
576	my $pl = $ob->contr;
577
578	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
579	if ($_[0] !~ /^[yY]/) {
580	$ob->send_msg (undef, "Ok, not not quitting then.", cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
581	} else {
582	$ob->send_msg (undef, "Ok, quitting, hope to see you again.", cf::NDI_UNIQUE \| cf::NDI_RED \| cf::NDI_REPLY);
583	cf::async {
584	$pl->quit_character;
585	};
586	}
587	});
588	};
589
590	cf::object->attach (
591	type => cf::SAVEBED,
592	on_apply => sub {
593	my ($bed, $ob) = @_;
594
595	return cf::override 0 unless $ob->type == cf::PLAYER;
596
597	my $pl = $ob->contr;
598
599	# update respawn position
600	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
601
602	cf::async {
603	my $killer = cf::arch::get "killer_logout"; $pl->killer ($killer); $killer->destroy;
604	ext::highscore::check $ob;
605
606	$pl->save;
607
608	$ob->send_msg ($cf::SAY_CHANNEL => "In the future, you will wake up here when you die.", cf::NDI_DEF \| cf::NDI_REPLY);
609
610	my $ns = $pl->ns
611	or return;
612
613	$ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
614	if ($_[0] !~ /^[yY]/) {
615	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
616	$pl->deactivate;
617	$pl->ns->destroy;
618	}
619	});
620	};
621	},
622	);
623
624	cf::player->attach (
625	on_login => sub {
626	my ($pl) = @_;
627	my $name = $pl->ob->name;
628
629	$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
630	},
631	on_logout => sub {
632	my ($pl, $cleanly) = @_;
633	my $name = $pl->ob->name;
634
635	if ($cleanly) {
636	$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
637	} else {
638	$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
639	$pl->{unclean_save} = $cf::RUNTIME
640	unless safe_spot $pl;
641	}
642	},
643	);
644