server/ext/login.ext

#! perl # MANDATORY

# login handling

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

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

# paranoia function to overwrite a string-in-place
sub nuke_str {
   substr $_[0], 0, (length $_[0]), "x" x length $_[0]
}

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

   my $current = $Coro::current;
   $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; });
   Coro::schedule while ref $current;

   $current
}

sub can_cleanup {
   my ($pl, $mtime) = @_;

   my $age = time - $mtime;
   my $level = $pl->ob->level;

   ($level <= 3 && $age > 7 * 86400)            # 7 days for level 0..3
   || ($level <= 9 && $age > 90 * 86400)        # 3 months for level 4..9
   || ($level <= 20 && $age > 180 * 86400)      # 6 months for level 10..20
   || $age > 700 * 86400                        # 2 years for everybody else
}

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

   return unless cf::player::find_active $user;

   $ns->send_drawinfo (
      "That player is already logged in on this server. "
    . "If you want to create a new player, choose another name. "
    . "If you are already a registered player, make sure nobody "
    . "else is using your account at this time. If you lost your conenction "
    . "then the server will likely timeout within a minute. If you still "
    . "cannot log-in after a minute, you are still logged in. Make sure "
    . "you do not have another client running. If you use windows, reboot, "
    . "this will fix anything.",
      cf::NDI_RED
   );

   1
}

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

   if (my $time = delete $pl->{unclean_save}) {
      $pl->ns->send_drawinfo (
         "You didn't use a savebed to leave this realm. This is very dangerous, "
       . "as lots of things could happen when you leave by other means, such as cave-ins, "
       . "or monsters suddenly snapping your body. Better use a savebed next time.",
         cf::NDI_RED
      );
      #d#TODO
   }
}

# delete a player directory, be non-blocking AND synchronous...
# (thats hard, so we crap out and fork).
sub nuke_playerdir {
   my ($user) = @_;

   aio_stat "$PLAYERDIR/$user";
   system "cd \Q$PLAYERDIR\E "
        . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
        . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
}

sub setup {
   my ($ns, $args) = @_;

   # run through the cmds of setup
   # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
   # 
   # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
   # The client then must sort this out

   my %setup = split / +/, $args;
   while (my ($k, $v) = each %setup) {

      if ($k eq "sound") {
        $ns->sound ($v);

      } elsif ($k eq "exp64") {
        $setup{$k} = 1;

      } elsif ($k eq "spellmon") {
        $ns->monitor_spells ($v);

      } elsif ($k eq "darkness") {
        $ns->darkness ($v);

      } elsif ($k eq "map1cmd") {
        $ns->mapmode (cf::Map1Cmd) if $v > 0;

      } elsif ($k eq "map1acmd") {
        $ns->mapmode (cf::Map1aCmd) if $v > 0;

      } elsif ($k eq "map2cmd") {
        # gcfclient bug, map1acmd is sent too late
        $ns->mapmode (cf::Map1aCmd);
        $setup{$k} = "FALSE";

      } elsif ($k eq "newmapcmd") {
        $ns->newmapcmd ($v);

      } elsif ($k eq "mapinfocmd") {
        $ns->mapinfocmd ($v);

      } elsif ($k eq "extcmd") {
        $ns->extcmd ($v > 0);

      } elsif ($k eq "extmap") {
        $ns->extmap ($v);

      } elsif ($k eq "facecache") {
        $ns->facecache ($v);

      } elsif ($k eq "faceset") {
        $ns->faceset (0);
        $setup{$k} = 0;
        # $ns->image2 (1)

      } elsif ($k eq "itemcmd") {
        # Version of the item protocol command to use.  Currently,
        # only supported versions are 1 and 2.  Using a numeric
        # value will make it very easy to extend this in the future.
        $ns->itemcmd ($v) if $v >= 1 && $v <= 2;

        $setup{$k} = $ns->itemcmd;

      } elsif ($k eq "mapsize") {
        my ($x, $y) = split /x/, $v;

        $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, $x);
        $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, $y);

        $setup{$k} = "${x}x${y}";

      } elsif ($k eq "extendedMapInfos") {
        $ns->ext_mapinfos ($v);

      } elsif ($k eq "extendedTextInfos") {
        $ns->has_readable_type ($v);

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

        $setup{$k} = "FALSE";
      }
    }

  $ns->send_packet (join " ", setup => %setup);

  cf::datalog setup =>
     request => $args,
     reply   => \%setup,
     client  => $ns->version,
  ;
}

sub addme {
   my ($ns) = @_;

  if (!$ns->facecache)
    {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client does not support face/image caching,
*** or it has been disabled. Face caching is mandatory
*** so please enable it or use a newer client.
***
*** Look at your client preferences:
***
*** CFPlus: all known versions automatically enable the facecache.
*** cfclient: use the -cache commandline option.
*** cfclient: map will not redraw automatically (bug).
*** gcfclient: use -cache commandline option, or enable
*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
*** jcrossclient: your client is broken, use CFPlus or gcfclient.
***
***
EOF
      if ($ns->version =~ /jcrossclient/) {
         # let them, for now
      } else {
        $ns->flush;
        return $ns->destroy;
      }

      # $ns->facecache = true;
   }

   if ($ns->mapmode < cf::Map1aCmd) {
      $ns->send_drawinfo (<<EOF, cf::NDI_RED);


***
*** WARNING:
*** Your client is too old. Please upgrade to a newer version.
EOF

      $ns->flush;
      return $ns->destroy;
   }

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

   $ns->async (sub {
      my ($user, $pass);

      $ns->send_packet ("addme_success");

      for (;;) {
         $ns->send_drawinfo (
            "Please enter your username now. If you are a new user, "
          . "make one up that describes your character best. "
          . "Only letters and digits are allowed, though.",
            cf::NDI_BLUE
         );

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

            if ($cf::LOGIN_LOCK{$user}) {
               $ns->send_drawinfo (
                  "That username is currently used in another login session. "
                . "Chose another, or wait till the other session has ended.",
                  cf::NDI_RED
               );
            } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
               last;
            } else {
               $ns->send_drawinfo (
                  "Your username contains illegal characters "
                . "(only a-z, A-Z and 0-9 are allowed), "
                . "or is not between 3 and 18 characters in length.",
                  cf::NDI_RED
               );
            }
         }

         check_playing $ns, $user and next;

         $ns->send_drawinfo (
            "Welcome $user, please enter your password now. "
          . "New users should now choose a password. "
          . "Anything your client lets you enter is fine.",
            cf::NDI_BLUE
         );

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

         # lock this username for the remainder of this login session
         if ($cf::LOGIN_LOCK{$user}) {
            $ns->send_drawinfo (
               "That username is currently used in another login session. "
             . "Chose another, or wait till the other session has ended.",
               cf::NDI_RED
            );
            next;
         }
         local $cf::LOGIN_LOCK{$user} = 1;

         check_playing $ns, $user and next;

         # try to read the user file and check the password
         if (my $pl = cf::player::find $user) {
            aio_stat $pl->path and next;
            my $mtime = (stat _)[9];
            my $hash = $pl->password;

            if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
               nuke_str $pass;
               # password matches, wonderful
               my $pl = cf::player::find $user or next;
               $pl->connect ($ns);
               check_clean_save $pl;
               last;
            } elsif (can_cleanup $pl, $mtime) {
               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Player exists, but password does not match. If this is your account, "
                . "please try again. If not, you can now decide to take over this account "
                . "because it has not been in-use for some time.",
                  cf::NDI_RED
               );

               #TODO: nuke_str
               (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
                  or next;

               # check if the file hasn't changed
               aio_stat cf::player::path $user and next;
               $mtime == (stat _)[9] or next;

               $pl->quit_character;

               # fall through to creation
            } else {
               nuke_str $pass;

               Coro::Timer::sleep 1;

               $ns->send_drawinfo (
                  "Wrong username or password. Please try again "
                . "(check for Numlock and other semi-obvious error sources).",
                  cf::NDI_RED
               );
               next;
            }
         }

         # the rest of this function is character creation

         # just to make sure nothing is left over
         nuke_playerdir $user;

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

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

         nuke_str $pass2;

         my $pl = cf::player::new $user;
         $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
         nuke_str $pass;
         $pl->connect ($ns);

         my $ob = $pl->ob;

         while () {
            $ob->update_stats;
            $pl->save_stats;

            my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
                         "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";

            if ($res =~ /^[Nn]/) {
               last;
            } elsif ($res > 0 && $res <= 7) {
               my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";

               if ($swap > 0 && $swap <= 7) {
                  $ob->swap_stats ($res - 1, $swap - 1);
               }
            } else {
               $ob->roll_stats;
            }
         }

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

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

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

         last;
      }
   });
}

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

   $ob->reply (undef,
               "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
               . "If you are sure you want to do this, then use the quit_character command instead of quit.",
               cf::NDI_UNIQUE | cf::NDI_RED);
};

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

   my $pl = $ob->contr;

   $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
      if ($_[0] !~ /^[yY]/) {
         $ob->reply (undef,
                     "Ok, not not quitting then.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
      } else {
         $ob->reply (undef,
                     "Ok, quitting, hope to see you again.",
                     cf::NDI_UNIQUE | cf::NDI_RED);
         $pl->ns->flush;
         cf::async { $pl->quit_character };
      }
   });
};

cf::object->attach (
   type     => cf::SAVEBED,
   on_apply => sub {
      my ($bed, $ob) = @_;

      return cf::override 0 unless $ob->type == cf::PLAYER;

      my $pl = $ob->contr;

      # update respawn position
      $pl->savebed ($bed->map->path, $bed->x, $bed->y);
      cf::async { $pl->save };

      $pl->killer ("left");
      $ob->check_score;

      $ob->reply (undef, "In the future, you will wake up here when you die.");

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

cf::player->attach (
   on_login  => sub {
      my ($pl) = @_;
      my $name = $pl->ob->name;

      $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
   },
   on_logout => sub {
      my ($pl, $cleanly) = @_;
      my $name = $pl->ob->name;

      if ($cleanly) {
         $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
      } else {
         $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
         $pl->{unclean_save} = $cf::RUNTIME;
      }
   },
);

cf::client->attach (
   on_addme => \&addme,
   on_setup => \&setup,
);

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

our $SCHEDULE_INTERVAL  =  10; # time the player scheduler sleeps between runs
our $SAVE_TIMEOUT       =  20; # save players every n seconds

our $SCHEDULER = cf::async_ext {
   my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
   while () {
      $schedule_interval->next;

      # this weird form of iteration over values is used because
      # the hash changes underneath us frequently, and for
      # keeps a direct reference to the value without (in 5.8 perls)
      # keeping a reference, so this is prone to crashes or worse.
      my @players = keys %cf::PLAYER;
      for (@players) {
         my $pl = $cf::PLAYER{$_}
            or next;
         $pl->valid or next;

         eval {
            if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
               $cf::WAIT_FOR_TICK_ONE->wait;
               $pl->save;

               unless ($pl->active) {
                  # check refcounts, this is tricky and needs to be adjusted to fit server internals
                  my $ob = $pl->ob;
                  Scalar::Util::weaken $pl;
                  Scalar::Util::weaken $ob;
                  my $a_ = $pl->refcnt;#d#
                  my $b_ = $ob->refcnt;#d#
                  my $pl_ref = $pl->refcnt_cnt;
                  my $ob_ref = $ob->refcnt_cnt;

                  ## pl_ref == one from object + one from cf::PLAYER
                  ## ob_ref == one from simply being an object
                  if ($pl_ref == 2 && $ob_ref == 1) {
                     warn "player-scheduler destroy ", $ob->name;#d#

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

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

$SCHEDULER->prio (1);

Revision:	1.33
Committed:	Mon Apr 2 18:14:24 2007 UTC (17 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.32:	+109 -91 lines
Log Message:	fixed some minor incompatibilities
#	User	Rev	Content
1	root	1.25	#! perl # MANDATORY
2	root	1.1
3			# login handling
4
5			use Fcntl;
6			use Coro::AIO;
7	root	1.32	use List::Util qw(min max);
8	root	1.1
9			my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
10
11	root	1.9	# paranoia function to overwrite a string-in-place
12			sub nuke_str {
13			substr $_[0], 0, (length $_[0]), "x" x length $_[0]
14			}
15	root	1.1
16			sub query {
17			my ($ns, $flags, $text) = @_;
18
19			my $current = $Coro::current;
20			$ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; });
21			Coro::schedule while ref $current;
22
23			$current
24			}
25
26			sub can_cleanup {
27	root	1.19	my ($pl, $mtime) = @_;
28	root	1.1
29			my $age = time - $mtime;
30	root	1.19	my $level = $pl->ob->level;
31	root	1.1
32			($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
33			\|\| ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
34			\|\| ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
35			\|\| $age > 700 * 86400 # 2 years for everybody else
36			}
37
38			sub check_playing {
39			my ($ns, $user) = @_;
40
41	root	1.11	return unless cf::player::find_active $user;
42	root	1.1
43			$ns->send_drawinfo (
44			"That player is already logged in on this server. "
45			. "If you want to create a new player, choose another name. "
46			. "If you are already a registered player, make sure nobody "
47			. "else is using your account at this time. If you lost your conenction "
48			. "then the server will likely timeout within a minute. If you still "
49			. "cannot log-in after a minute, you are still logged in. Make sure "
50			. "you do not have another client running. If you use windows, reboot, "
51			. "this will fix anything.",
52			cf::NDI_RED
53			);
54
55			1
56			}
57
58	root	1.11	sub check_clean_save {
59			my ($pl) = @_;
60
61	root	1.26	if (my $time = delete $pl->{unclean_save}) {
62			$pl->ns->send_drawinfo (
63			"You didn't use a savebed to leave this realm. This is very dangerous, "
64			. "as lots of things could happen when you leave by other means, such as cave-ins, "
65			. "or monsters suddenly snapping your body. Better use a savebed next time.",
66			cf::NDI_RED
67			);
68	root	1.11	#d#TODO
69			}
70			}
71
72	root	1.1	# delete a player directory, be non-blocking AND synchronous...
73			# (thats hard, so we crap out and fork).
74			sub nuke_playerdir {
75			my ($user) = @_;
76
77			aio_stat "$PLAYERDIR/$user";
78			system "cd \Q$PLAYERDIR\E "
79			. "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
80			. "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
81			}
82
83	root	1.33	sub setup {
84			my ($ns, $args) = @_;
85
86			# run through the cmds of setup
87			# syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
88			#
89			# we send the status of the cmd back, or a FALSE is the cmd is the server unknown
90			# The client then must sort this out
91
92			my %setup = split / +/, $args;
93			while (my ($k, $v) = each %setup) {
94
95			if ($k eq "sound") {
96			$ns->sound ($v);
97
98			} elsif ($k eq "exp64") {
99			$setup{$k} = 1;
100
101			} elsif ($k eq "spellmon") {
102			$ns->monitor_spells ($v);
103
104			} elsif ($k eq "darkness") {
105			$ns->darkness ($v);
106
107			} elsif ($k eq "map1cmd") {
108			$ns->mapmode (cf::Map1Cmd) if $v > 0;
109
110			} elsif ($k eq "map1acmd") {
111			$ns->mapmode (cf::Map1aCmd) if $v > 0;
112
113			} elsif ($k eq "map2cmd") {
114			# gcfclient bug, map1acmd is sent too late
115			$ns->mapmode (cf::Map1aCmd);
116			$setup{$k} = "FALSE";
117
118			} elsif ($k eq "newmapcmd") {
119			$ns->newmapcmd ($v);
120
121			} elsif ($k eq "mapinfocmd") {
122			$ns->mapinfocmd ($v);
123
124			} elsif ($k eq "extcmd") {
125			$ns->extcmd ($v > 0);
126
127			} elsif ($k eq "extmap") {
128			$ns->extmap ($v);
129
130			} elsif ($k eq "facecache") {
131			$ns->facecache ($v);
132
133			} elsif ($k eq "faceset") {
134			$ns->faceset (0);
135			$setup{$k} = 0;
136			# $ns->image2 (1)
137
138			} elsif ($k eq "itemcmd") {
139			# Version of the item protocol command to use. Currently,
140			# only supported versions are 1 and 2. Using a numeric
141			# value will make it very easy to extend this in the future.
142			$ns->itemcmd ($v) if $v >= 1 && $v <= 2;
143
144			$setup{$k} = $ns->itemcmd;
145
146			} elsif ($k eq "mapsize") {
147			my ($x, $y) = split /x/, $v;
148
149			$ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, $x);
150			$ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, $y);
151
152			$setup{$k} = "${x}x${y}";
153
154			} elsif ($k eq "extendedMapInfos") {
155			$ns->ext_mapinfos ($v);
156
157			} elsif ($k eq "extendedTextInfos") {
158			$ns->has_readable_type ($v);
159
160			} else {
161			# other commands:
162			# sexp: no idea, probably for oudated servers
163			# tick: more stupidity, server should sned a tick per tick
164
165			$setup{$k} = "FALSE";
166			}
167			}
168
169			$ns->send_packet (join " ", setup => %setup);
170
171			cf::datalog setup =>
172			request => $args,
173			reply => \%setup,
174			client => $ns->version,
175			;
176			}
177
178	root	1.8	sub addme {
179	root	1.1	my ($ns) = @_;
180
181	root	1.32	if (!$ns->facecache)
182			{
183			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
184
185
186			***
187			*** WARNING:
188			*** Your client does not support face/image caching,
189			*** or it has been disabled. Face caching is mandatory
190			*** so please enable it or use a newer client.
191			***
192			*** Look at your client preferences:
193			***
194			*** CFPlus: all known versions automatically enable the facecache.
195			*** cfclient: use the -cache commandline option.
196			*** cfclient: map will not redraw automatically (bug).
197			*** gcfclient: use -cache commandline option, or enable
198			*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
199			*** jcrossclient: your client is broken, use CFPlus or gcfclient.
200			***
201			***
202			EOF
203			if ($ns->version =~ /jcrossclient/) {
204			# let them, for now
205			} else {
206			$ns->flush;
207			return $ns->destroy;
208			}
209
210			# $ns->facecache = true;
211	root	1.33	}
212
213			if ($ns->mapmode < cf::Map1aCmd) {
214			$ns->send_drawinfo (<<EOF, cf::NDI_RED);
215
216
217			***
218			*** WARNING:
219			*** Your client is too old. Please upgrade to a newer version.
220			EOF
221
222			$ns->flush;
223			return $ns->destroy;
224			}
225	root	1.32
226			$ns->pl and return $ns->destroy;
227	root	1.1
228	root	1.10	$ns->async (sub {
229	root	1.1	my ($user, $pass);
230
231			$ns->send_packet ("addme_success");
232
233			for (;;) {
234			$ns->send_drawinfo (
235			"Please enter your username now. If you are a new user, "
236			. "make one up that describes your character best. "
237			. "Only letters and digits are allowed, though.",
238			cf::NDI_BLUE
239			);
240
241			# read username
242			while () {
243			$user = query $ns, 0, "What is your name?\n:";
244	root	1.3
245			if ($cf::LOGIN_LOCK{$user}) {
246			$ns->send_drawinfo (
247			"That username is currently used in another login session. "
248			. "Chose another, or wait till the other session has ended.",
249			cf::NDI_RED
250			);
251	root	1.30	} elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
252	root	1.3	last;
253			} else {
254			$ns->send_drawinfo (
255			"Your username contains illegal characters "
256			. "(only a-z, A-Z and 0-9 are allowed), "
257			. "or is not between 3 and 18 characters in length.",
258			cf::NDI_RED
259			);
260			}
261	root	1.1	}
262
263			check_playing $ns, $user and next;
264
265			$ns->send_drawinfo (
266			"Welcome $user, please enter your password now. "
267			. "New users should now choose a password. "
268			. "Anything your client lets you enter is fine.",
269			cf::NDI_BLUE
270			);
271
272			# read password
273			while () {
274			$pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
275			last if $pass =~ /.../;
276			$ns->send_drawinfo (
277			"Try to use at least three characters as your password please, "
278			. "that cannot be too much to ask for :)",
279			cf::NDI_RED
280			);
281			}
282
283	root	1.3	# lock this username for the remainder of this login session
284			if ($cf::LOGIN_LOCK{$user}) {
285			$ns->send_drawinfo (
286			"That username is currently used in another login session. "
287			. "Chose another, or wait till the other session has ended.",
288			cf::NDI_RED
289			);
290			next;
291			}
292			local $cf::LOGIN_LOCK{$user} = 1;
293
294			check_playing $ns, $user and next;
295
296	root	1.1	# try to read the user file and check the password
297	root	1.19	if (my $pl = cf::player::find $user) {
298			aio_stat $pl->path and next;
299			my $mtime = (stat _)[9];
300			my $hash = $pl->password;
301	root	1.1
302	root	1.19	if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
303	root	1.9	nuke_str $pass;
304	root	1.1	# password matches, wonderful
305	root	1.11	my $pl = cf::player::find $user or next;
306	root	1.1	$pl->connect ($ns);
307	root	1.11	check_clean_save $pl;
308	root	1.1	last;
309	root	1.19	} elsif (can_cleanup $pl, $mtime) {
310	root	1.1	Coro::Timer::sleep 1;
311
312			$ns->send_drawinfo (
313	root	1.3	"Player exists, but password does not match. If this is your account, "
314			. "please try again. If not, you can now decide to take over this account "
315	root	1.1	. "because it has not been in-use for some time.",
316			cf::NDI_RED
317			);
318
319	root	1.9	#TODO: nuke_str
320	root	1.1	(query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
321			or next;
322
323			# check if the file hasn't changed
324	root	1.11	aio_stat cf::player::path $user and next;
325	root	1.1	$mtime == (stat _)[9] or next;
326
327	root	1.19	$pl->quit_character;
328	root	1.1
329			# fall through to creation
330			} else {
331	root	1.9	nuke_str $pass;
332
333	root	1.1	Coro::Timer::sleep 1;
334
335			$ns->send_drawinfo (
336			"Wrong username or password. Please try again "
337			. "(check for Numlock and other semi-obvious error sources).",
338			cf::NDI_RED
339			);
340			next;
341			}
342			}
343
344			# the rest of this function is character creation
345
346	root	1.3	# just to make sure nothing is left over
347	root	1.1	nuke_playerdir $user;
348
349	root	1.3	my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
350
351			if ($pass2 ne $pass) {
352	root	1.9	nuke_str $pass;
353			nuke_str $pass2;
354	root	1.3	$ns->send_drawinfo (
355			"The passwords do not match, please try again.",
356			cf::NDI_RED
357			);
358			next;
359			}
360
361	root	1.9	nuke_str $pass2;
362
363	root	1.11	my $pl = cf::player::new $user;
364	root	1.1	$pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
365	root	1.9	nuke_str $pass;
366	root	1.1	$pl->connect ($ns);
367	root	1.3
368	root	1.1	my $ob = $pl->ob;
369
370			while () {
371			$ob->update_stats;
372			$pl->save_stats;
373
374			my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
375			"[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
376
377			if ($res =~ /^[Nn]/) {
378			last;
379			} elsif ($res > 0 && $res <= 7) {
380			my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
381
382			if ($swap > 0 && $swap <= 7) {
383			$ob->swap_stats ($res - 1, $swap - 1);
384			}
385			} else {
386			$ob->roll_stats;
387			}
388			}
389
390			$ob->set_animation (2);
391			$ob->add_statbonus;
392
393			$ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
394			$ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
395			"Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
396
397			$ns->state (cf::ST_CHANGE_CLASS);
398	root	1.11	delete $pl->{deny_save};#d# too early
399	root	1.1
400			last;
401			}
402			});
403			}
404
405	root	1.12	cf::register_command quit => sub {
406			my ($ob, $arg) = @_;
407
408			$ob->reply (undef,
409			"Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
410			. "If you are sure you want to do this, then use the quit_character command instead of quit.",
411			cf::NDI_UNIQUE \| cf::NDI_RED);
412			};
413
414			cf::register_command quit_character => sub {
415			my ($ob, $arg) = @_;
416
417			my $pl = $ob->contr;
418
419			$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
420			if ($_[0] !~ /^[yY]/) {
421			$ob->reply (undef,
422			"Ok, not not quitting then.",
423			cf::NDI_UNIQUE \| cf::NDI_RED);
424			} else {
425			$ob->reply (undef,
426			"Ok, quitting, hope to see you again.",
427			cf::NDI_UNIQUE \| cf::NDI_RED);
428			$pl->ns->flush;
429	root	1.31	cf::async { $pl->quit_character };
430	root	1.12	}
431			});
432			};
433	root	1.11
434	root	1.1	cf::object->attach (
435			type => cf::SAVEBED,
436			on_apply => sub {
437			my ($bed, $ob) = @_;
438
439			return cf::override 0 unless $ob->type == cf::PLAYER;
440
441	root	1.15	my $pl = $ob->contr;
442	root	1.11
443	root	1.1	# update respawn position
444	root	1.11	$pl->savebed ($bed->map->path, $bed->x, $bed->y);
445	root	1.22	cf::async { $pl->save };
446	root	1.1
447	root	1.11	$pl->killer ("left");
448	root	1.5	$ob->check_score;
449	root	1.1
450			$ob->reply (undef, "In the future, you will wake up here when you die.");
451
452	root	1.11	$pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
453	root	1.6	if ($_[0] !~ /^[yY]/) {
454	root	1.11	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
455			$pl->deactivate;
456			$pl->ns->destroy;
457	root	1.7	} else {
458	root	1.13	cf::async { $pl->save };
459	root	1.6	}
460	root	1.1	});
461			},
462			);
463
464	root	1.8	cf::player->attach (
465			on_login => sub {
466			my ($pl) = @_;
467			my $name = $pl->ob->name;
468
469			$_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
470			},
471			on_logout => sub {
472			my ($pl, $cleanly) = @_;
473			my $name = $pl->ob->name;
474
475			if ($cleanly) {
476			$_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
477			} else {
478			$_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE \| cf::NDI_UNIQUE) for cf::player::list;
479	root	1.26	$pl->{unclean_save} = $cf::RUNTIME;
480	root	1.8	}
481			},
482			);
483
484			cf::client->attach (
485			on_addme => \&addme,
486	root	1.32	on_setup => \&setup,
487	root	1.8	);
488	root	1.1
489	root	1.11	#############################################################################
490
491	root	1.21	our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
492			our $SAVE_TIMEOUT = 20; # save players every n seconds
493	root	1.11
494			our $SCHEDULER = cf::async_ext {
495	root	1.27	my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
496	root	1.11	while () {
497	root	1.27	$schedule_interval->next;
498	root	1.11
499			# this weird form of iteration over values is used because
500			# the hash changes underneath us frequently, and for
501			# keeps a direct reference to the value without (in 5.8 perls)
502			# keeping a reference, so this is prone to crashes or worse.
503			my @players = keys %cf::PLAYER;
504			for (@players) {
505			my $pl = $cf::PLAYER{$_}
506			or next;
507			$pl->valid or next;
508
509			eval {
510			if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
511	root	1.24	$cf::WAIT_FOR_TICK_ONE->wait;
512	root	1.11	$pl->save;
513	root	1.17
514	root	1.21	unless ($pl->active) {
515			# check refcounts, this is tricky and needs to be adjusted to fit server internals
516			my $ob = $pl->ob;
517			Scalar::Util::weaken $pl;
518			Scalar::Util::weaken $ob;
519	root	1.23	my $a_ = $pl->refcnt;#d#
520			my $b_ = $ob->refcnt;#d#
521	root	1.21	my $pl_ref = $pl->refcnt_cnt;
522			my $ob_ref = $ob->refcnt_cnt;
523
524	root	1.20	## pl_ref == one from object + one from cf::PLAYER
525			## ob_ref == one from simply being an object
526	root	1.29	if ($pl_ref == 2 && $ob_ref == 1) {
527	root	1.21	warn "player-scheduler destroy ", $ob->name;#d#
528
529			# remove from sight and get fresh "copies"
530			$pl = delete $cf::PLAYER{$ob->name};
531			$ob = $pl->ob;
532
533			$ob->destroy;
534			$pl->destroy;
535			} else {
536			warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
537			}
538	root	1.17	}
539			}
540	root	1.11	};
541			warn $@ if $@;
542			Coro::cede;
543			};
544			}
545			};
546
547			$SCHEDULER->prio (1);
548