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/cvs/deliantra/server/ext/login.ext
Revision: 1.64
Committed: Sat Jul 14 19:27:59 2007 UTC (16 years, 10 months ago) by root
Branch: MAIN
Changes since 1.63: +27 -9 lines
Log Message:
finally implement the kill on logout-too-long thingy

File Contents

# User Rev Content
1 root 1.53 #! perl # mandatory
2 root 1.1
3     # login handling
4    
5     use Fcntl;
6     use Coro::AIO;
7 root 1.53
8 root 1.64 our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} || 3600;
9    
10 root 1.9 # paranoia function to overwrite a string-in-place
11     sub nuke_str {
12     substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13     }
14 root 1.1
15     sub query {
16     my ($ns, $flags, $text) = @_;
17    
18     my $current = $Coro::current;
19 root 1.38 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20 root 1.1 Coro::schedule while ref $current;
21    
22     $current
23     }
24    
25     sub can_cleanup {
26 root 1.19 my ($pl, $mtime) = @_;
27 root 1.1
28     my $age = time - $mtime;
29 root 1.19 my $level = $pl->ob->level;
30 root 1.1
31     ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
32     || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
33     || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
34     || $age > 700 * 86400 # 2 years for everybody else
35     }
36    
37     sub check_playing {
38     my ($ns, $user) = @_;
39    
40 root 1.11 return unless cf::player::find_active $user;
41 root 1.1
42     $ns->send_drawinfo (
43     "That player is already logged in on this server. "
44     . "If you want to create a new player, choose another name. "
45 root 1.59 . "If you have already a registered, make sure nobody "
46     . "else is using your account at this time. If you lost your connection "
47 root 1.1 . "then the server will likely timeout within a minute. If you still "
48     . "cannot log-in after a minute, you are still logged in. Make sure "
49     . "you do not have another client running. If you use windows, reboot, "
50     . "this will fix anything.",
51     cf::NDI_RED
52     );
53    
54     1
55     }
56    
57 root 1.48 sub enter_map {
58 root 1.11 my ($pl) = @_;
59    
60 root 1.62 my $ob = $pl->ob;
61    
62 root 1.48 my ($map, $x, $y)
63 root 1.62 = $ob->{_link_pos}
64     ? @{delete $ob->{_link_pos}}
65     : ($pl->maplevel, $ob->x, $ob->y);
66 root 1.48
67 root 1.62 $ob->enter_link;
68 root 1.48
69 root 1.26 if (my $time = delete $pl->{unclean_save}) {
70 root 1.48 if (my $m = cf::map::find $map) {
71 root 1.63 if ($time < $m->{instantiate_time}) {
72 root 1.48 # the map was reset in the meantime
73     my $age = $cf::RUNTIME - $time;
74 root 1.64
75     warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
76 root 1.48
77     # for now, just go back to savebed
78     ($map, $x, $y) = $pl->savebed;
79    
80 root 1.64 if ($age >= $MAX_DISCONNECT_TIME) {
81     $ob->message (
82     "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
83     . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
84     . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
85     . "H<You disconnected too long without having used a savebed.>",
86     cf::NDI_RED
87     );
88     # kill them.
89     # reminds me of the famous badness 10000 syndrome...
90     $ob->stats->hp (-10000); #] if they survive this they deserved to live
91     } else {
92     $ob->message (
93     "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
94     . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
95     . "Better use a savebed next time, much worse things could have happened... "
96     . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
97     cf::NDI_RED
98     );
99     }
100 root 1.48 } else {
101 root 1.64 $ob->message (
102 root 1.48 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
103     . "as lots of things could happen when you leave by other means, such as cave-ins, "
104 root 1.64 . "or monsters suddenly snapping your body. Better use a savebed next time. "
105     . "H<Always apply a bed of reality to disconnect from the server.>",
106 root 1.48 cf::NDI_RED
107     );
108     }
109     }
110 root 1.11 }
111 root 1.48
112 root 1.62 $ob->goto ($map, $x, $y);
113 root 1.11 }
114    
115 root 1.1 # delete a player directory, be non-blocking AND synchronous...
116     # (thats hard, so we crap out and fork).
117     sub nuke_playerdir {
118     my ($user) = @_;
119    
120     aio_stat "$PLAYERDIR/$user";
121     system "cd \Q$PLAYERDIR\E "
122     . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
123     . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
124     }
125    
126 root 1.60 cf::client->attach (on_addme => sub {
127 root 1.1 my ($ns) = @_;
128    
129 root 1.60 if (!$ns->facecache)
130     {
131     $ns->send_drawinfo (<<EOF, cf::NDI_RED);
132 root 1.32
133    
134     ***
135     *** WARNING:
136     *** Your client does not support face/image caching,
137     *** or it has been disabled. Face caching is mandatory
138     *** so please enable it or use a newer client.
139     ***
140     *** Look at your client preferences:
141     ***
142     *** CFPlus: all known versions automatically enable the facecache.
143     *** cfclient: use the -cache commandline option.
144     *** cfclient: map will not redraw automatically (bug).
145     *** gcfclient: use -cache commandline option, or enable
146     *** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
147     *** jcrossclient: your client is broken, use CFPlus or gcfclient.
148     ***
149     ***
150     EOF
151     if ($ns->version =~ /jcrossclient/) {
152     # let them, for now
153     } else {
154     $ns->flush;
155     return $ns->destroy;
156     }
157    
158     # $ns->facecache = true;
159 root 1.33 }
160    
161     if ($ns->mapmode < cf::Map1aCmd) {
162     $ns->send_drawinfo (<<EOF, cf::NDI_RED);
163    
164    
165     ***
166     *** WARNING:
167     *** Your client is too old. Please upgrade to a newer version.
168     EOF
169    
170     $ns->flush;
171     return $ns->destroy;
172     }
173 root 1.32
174     $ns->pl and return $ns->destroy;
175 root 1.1
176 root 1.10 $ns->async (sub {
177 root 1.1 my ($user, $pass);
178    
179     $ns->send_packet ("addme_success");
180    
181     for (;;) {
182     $ns->send_drawinfo (
183     "Please enter your username now. If you are a new user, "
184     . "make one up that describes your character best. "
185     . "Only letters and digits are allowed, though.",
186     cf::NDI_BLUE
187     );
188    
189     # read username
190     while () {
191     $user = query $ns, 0, "What is your name?\n:";
192 root 1.3
193     if ($cf::LOGIN_LOCK{$user}) {
194     $ns->send_drawinfo (
195     "That username is currently used in another login session. "
196     . "Chose another, or wait till the other session has ended.",
197     cf::NDI_RED
198     );
199 root 1.30 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
200 root 1.3 last;
201     } else {
202     $ns->send_drawinfo (
203     "Your username contains illegal characters "
204     . "(only a-z, A-Z and 0-9 are allowed), "
205     . "or is not between 3 and 18 characters in length.",
206     cf::NDI_RED
207     );
208     }
209 root 1.61 Coro::Timer::sleep 0.4;
210 root 1.1 }
211    
212     check_playing $ns, $user and next;
213    
214     $ns->send_drawinfo (
215     "Welcome $user, please enter your password now. "
216     . "New users should now choose a password. "
217     . "Anything your client lets you enter is fine.",
218     cf::NDI_BLUE
219     );
220    
221     # read password
222     while () {
223     $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
224     last if $pass =~ /.../;
225     $ns->send_drawinfo (
226     "Try to use at least three characters as your password please, "
227     . "that cannot be too much to ask for :)",
228     cf::NDI_RED
229     );
230 root 1.61 Coro::Timer::sleep 0.4;
231 root 1.1 }
232    
233 root 1.3 # lock this username for the remainder of this login session
234     if ($cf::LOGIN_LOCK{$user}) {
235     $ns->send_drawinfo (
236     "That username is currently used in another login session. "
237     . "Chose another, or wait till the other session has ended.",
238     cf::NDI_RED
239     );
240     next;
241     }
242     local $cf::LOGIN_LOCK{$user} = 1;
243    
244     check_playing $ns, $user and next;
245    
246 root 1.1 # try to read the user file and check the password
247 root 1.19 if (my $pl = cf::player::find $user) {
248     aio_stat $pl->path and next;
249     my $mtime = (stat _)[9];
250     my $hash = $pl->password;
251 root 1.1
252 root 1.19 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
253 root 1.9 nuke_str $pass;
254 root 1.1 # password matches, wonderful
255 root 1.11 my $pl = cf::player::find $user or next;
256 root 1.1 $pl->connect ($ns);
257 root 1.48 enter_map $pl;
258 root 1.1 last;
259 root 1.19 } elsif (can_cleanup $pl, $mtime) {
260 root 1.1 Coro::Timer::sleep 1;
261    
262     $ns->send_drawinfo (
263 root 1.3 "Player exists, but password does not match. If this is your account, "
264     . "please try again. If not, you can now decide to take over this account "
265 root 1.1 . "because it has not been in-use for some time.",
266     cf::NDI_RED
267     );
268    
269 root 1.9 #TODO: nuke_str
270 root 1.1 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
271     or next;
272    
273     # check if the file hasn't changed
274 root 1.11 aio_stat cf::player::path $user and next;
275 root 1.1 $mtime == (stat _)[9] or next;
276    
277 root 1.19 $pl->quit_character;
278 root 1.1
279     # fall through to creation
280     } else {
281 root 1.9 nuke_str $pass;
282    
283 root 1.1 Coro::Timer::sleep 1;
284    
285     $ns->send_drawinfo (
286     "Wrong username or password. Please try again "
287     . "(check for Numlock and other semi-obvious error sources).",
288     cf::NDI_RED
289     );
290     next;
291     }
292 root 1.37 } else {
293     # unable to load the playerfile:
294     # check wether the player dir exists, which means the file is corrupted or
295     # something very similar.
296     if (!aio_stat cf::player::playerdir $user) {
297     $ns->send_drawinfo (
298     "Unable to retrieve this player. It might be a locked or broken account. "
299     . "If this is your account, ask a dungeon master for assistance. "
300     . "Otherwise choose a different login name.",
301     cf::NDI_RED
302     );
303     next;
304     }
305 root 1.1 }
306    
307     # the rest of this function is character creation
308    
309 root 1.3 # just to make sure nothing is left over
310 root 1.1 nuke_playerdir $user;
311    
312 root 1.3 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
313    
314     if ($pass2 ne $pass) {
315 root 1.9 nuke_str $pass;
316     nuke_str $pass2;
317 root 1.3 $ns->send_drawinfo (
318     "The passwords do not match, please try again.",
319     cf::NDI_RED
320     );
321 root 1.61 Coro::Timer::sleep 0.5;
322 root 1.3 next;
323     }
324    
325 root 1.9 nuke_str $pass2;
326    
327 root 1.11 my $pl = cf::player::new $user;
328 root 1.1 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
329 root 1.9 nuke_str $pass;
330 root 1.1 $pl->connect ($ns);
331 root 1.48 my $ob = $pl->ob;
332 root 1.3
333 root 1.48 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
334 root 1.1
335     while () {
336     $ob->update_stats;
337     $pl->save_stats;
338    
339     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
340     "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
341    
342     if ($res =~ /^[Nn]/) {
343     last;
344     } elsif ($res > 0 && $res <= 7) {
345     my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
346    
347     if ($swap > 0 && $swap <= 7) {
348     $ob->swap_stats ($res - 1, $swap - 1);
349     }
350     } else {
351     $ob->roll_stats;
352     }
353 root 1.61
354     Coro::Timer::sleep 0.2;
355 root 1.1 }
356    
357     $ob->set_animation (2);
358     $ob->add_statbonus;
359    
360 root 1.45 while () {
361     $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
362     my $msg = $ob->msg;
363 root 1.46 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
364 root 1.45 $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
365    
366     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
367     "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
368    
369     last if $res =~ /[dD]/;
370    
371     $pl->chargen_race_next;
372 root 1.61 Coro::Timer::sleep 0.2;
373 root 1.45 }
374    
375     $pl->chargen_race_done;
376 root 1.1
377 root 1.55 while () {
378     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
379     "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
380    
381     if ($res =~ /^[fF]/) {
382     $pl->gender (1);
383     last;
384     } elsif ($res =~ /^[mM]/) {
385     $pl->gender (0);
386     last;
387     }
388 root 1.61 Coro::Timer::sleep 0.2;
389 root 1.55 }
390    
391     $ob->reply (undef, "Welcome to Crossfire!");
392    
393 root 1.45 delete $pl->{deny_save};
394 root 1.1
395     last;
396     }
397     });
398 root 1.60 });
399 root 1.1
400 root 1.12 cf::register_command quit => sub {
401     my ($ob, $arg) = @_;
402    
403     $ob->reply (undef,
404     "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
405     . "If you are sure you want to do this, then use the quit_character command instead of quit.",
406     cf::NDI_UNIQUE | cf::NDI_RED);
407     };
408    
409     cf::register_command quit_character => sub {
410     my ($ob, $arg) = @_;
411    
412     my $pl = $ob->contr;
413    
414     $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
415     if ($_[0] !~ /^[yY]/) {
416     $ob->reply (undef,
417     "Ok, not not quitting then.",
418     cf::NDI_UNIQUE | cf::NDI_RED);
419     } else {
420     $ob->reply (undef,
421     "Ok, quitting, hope to see you again.",
422     cf::NDI_UNIQUE | cf::NDI_RED);
423     $pl->ns->flush;
424 root 1.31 cf::async { $pl->quit_character };
425 root 1.12 }
426     });
427     };
428 root 1.11
429 root 1.1 cf::object->attach (
430     type => cf::SAVEBED,
431     on_apply => sub {
432     my ($bed, $ob) = @_;
433    
434     return cf::override 0 unless $ob->type == cf::PLAYER;
435    
436 root 1.15 my $pl = $ob->contr;
437 root 1.11
438 root 1.1 # update respawn position
439 root 1.11 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
440 root 1.22 cf::async { $pl->save };
441 root 1.1
442 root 1.11 $pl->killer ("left");
443 root 1.5 $ob->check_score;
444 root 1.1
445     $ob->reply (undef, "In the future, you will wake up here when you die.");
446    
447 root 1.11 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
448 root 1.6 if ($_[0] !~ /^[yY]/) {
449 root 1.11 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
450     $pl->deactivate;
451     $pl->ns->destroy;
452 root 1.7 } else {
453 root 1.13 cf::async { $pl->save };
454 root 1.6 }
455 root 1.1 });
456     },
457     );
458    
459 root 1.8 cf::player->attach (
460     on_login => sub {
461     my ($pl) = @_;
462     my $name = $pl->ob->name;
463    
464     $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
465     },
466     on_logout => sub {
467     my ($pl, $cleanly) = @_;
468     my $name = $pl->ob->name;
469    
470     if ($cleanly) {
471     $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
472     } else {
473     $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
474 root 1.26 $pl->{unclean_save} = $cf::RUNTIME;
475 root 1.8 }
476     },
477     );
478    
479 root 1.11 #############################################################################
480    
481 root 1.21 our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
482     our $SAVE_TIMEOUT = 20; # save players every n seconds
483 root 1.11
484     our $SCHEDULER = cf::async_ext {
485 root 1.27 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
486 root 1.11 while () {
487 root 1.27 $schedule_interval->next;
488 root 1.11
489     # this weird form of iteration over values is used because
490     # the hash changes underneath us frequently, and for
491     # keeps a direct reference to the value without (in 5.8 perls)
492     # keeping a reference, so this is prone to crashes or worse.
493     my @players = keys %cf::PLAYER;
494     for (@players) {
495     my $pl = $cf::PLAYER{$_}
496     or next;
497     $pl->valid or next;
498    
499     eval {
500     if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
501 root 1.39 cf::wait_for_tick_begin;
502 root 1.11 $pl->save;
503 root 1.17
504 root 1.49 unless ($pl->active || $pl->ns) {
505 root 1.21 # check refcounts, this is tricky and needs to be adjusted to fit server internals
506     my $ob = $pl->ob;
507 root 1.50
508 root 1.21 my $pl_ref = $pl->refcnt_cnt;
509     my $ob_ref = $ob->refcnt_cnt;
510    
511 root 1.51 ## pl_ref == $pl + ob->contr + %cf::PLAYER
512     ## ob_ref == $ob + pl->observe + simply being an object
513 root 1.50 if ($pl_ref == 3 && $ob_ref == 3) {
514 root 1.21 warn "player-scheduler destroy ", $ob->name;#d#
515    
516     # remove from sight and get fresh "copies"
517     $pl = delete $cf::PLAYER{$ob->name};
518     $ob = $pl->ob;
519    
520 root 1.54 $pl->destroy; # destroys $ob
521 root 1.21 } else {
522 root 1.50 my $a_ = $pl->refcnt;#d#
523     my $b_ = $ob->refcnt;#d#
524    
525 root 1.52 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
526 root 1.21 }
527 root 1.17 }
528     }
529 root 1.11 };
530     warn $@ if $@;
531     Coro::cede;
532     };
533     }
534     };
535    
536     $SCHEDULER->prio (1);
537