ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/ext/login.ext
Revision: 1.84
Committed: Wed Apr 30 06:40:28 2008 UTC (16 years ago) by root
Branch: MAIN
CVS Tags: rel-2_53
Changes since 1.83: +6 -2 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl # mandatory
2
3 # login handling
4
5 use Fcntl;
6 use Coro::AIO;
7
8 our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} || 3600;
9
10 # paranoia function to overwrite a string-in-place
11 sub nuke_str {
12 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13 }
14
15 sub query {
16 my ($ns, $flags, $text) = @_;
17
18 my $current = $Coro::current;
19 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20 Coro::schedule while ref $current;
21
22 $current
23 }
24
25 sub can_cleanup {
26 my ($pl, $mtime) = @_;
27
28 my $age = time - $mtime;
29 my $level = $pl->ob->level;
30
31 ($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 return unless cf::player::find_active $user;
41
42 $ns->send_drawinfo (
43 "That player is already logged in on this server. "
44 . "If you want to create a new player, choose another name. "
45 . "If you have already a registered, make sure nobody "
46 . "else is using your account at this time. If you lost your connection "
47 . "then the server will likely timeout within a minute. If you still "
48 . "cannot log-in after a minute, you are still logged in. Make sure "
49 . "you do not have another client running. If you use windows, reboot, "
50 . "this will fix anything.",
51 cf::NDI_RED
52 );
53
54 1
55 }
56
57 sub safe_spot($) {
58 my ($pl) = @_;
59
60 my $ob = $pl->ob;
61
62 my $m = $ob->map
63 or return;
64 my $x = $ob->x;
65 my $y = $ob->y;
66
67 # return 0;#d#
68 # warn join ":", $m->at ($x, $y);#d#
69 # warn "FOO$m { ".scalar ($m->at ($x, $y))." }\n";
70 # return 0;
71
72 scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
73 }
74
75 sub enter_map {
76 my ($pl) = @_;
77
78 my $ob = $pl->ob;
79
80 my ($map, $x, $y)
81 = $ob->{_link_pos}
82 ? @{delete $ob->{_link_pos}}
83 : ($pl->maplevel, $ob->x, $ob->y);
84
85 $ob->enter_link;
86
87 my $m = cf::map::find $map;
88 my $time = delete $pl->{unclean_save};
89
90 if ($time && $m) {
91 if ($time < $m->{instantiate_time}) {
92 # the map was reset in the meantime
93 my $age = $cf::RUNTIME - $time;
94
95 warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
96
97 if ($age >= $MAX_DISCONNECT_TIME) {
98 $ob->message (
99 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
100 . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
101 . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
102 . "H<You disconnected too long without having used a savebed.>",
103 cf::NDI_RED
104 );
105 # kill them.
106 # reminds me of the famous badness 10000 syndrome...
107 $ob->stats->hp (-10000); #] if they survive this they deserved to live
108 my $killer = cf::arch::get "killer_login";
109 $pl->killer ($killer);
110 $killer->destroy;
111 } else {
112 ($map, $x, $y) = $pl->savebed;
113
114 $ob->message (
115 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
116 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
117 . "Better use a savebed next time, much worse things could have happened... "
118 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
119 cf::NDI_RED
120 );
121 }
122 } else {
123 $ob->message (
124 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
125 . "as lots of things could happen when you leave by other means, such as cave-ins, "
126 . "or monsters suddenly snapping your body. Better use a savebed next time. "
127 . "H<Always apply a bed of reality to disconnect from the server.>",
128 cf::NDI_RED
129 );
130 }
131 }
132
133 $ob->goto ($map, $x, $y);
134 }
135
136 # delete a player directory, be non-blocking AND synchronous...
137 # (thats hard, so we crap out and fork).
138 sub nuke_playerdir {
139 my ($user) = @_;
140
141 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
142
143 cf::fork_call {
144 rename "$PLAYERDIR/$user", $temp;
145 system "rm", "-rf", $temp;
146 };
147 }
148
149 cf::client->attach (on_addme => sub {
150 my ($ns) = @_;
151
152 if (!$ns->facecache)
153 {
154 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
155
156
157 ***
158 *** WARNING:
159 *** Your client does not support face/image caching,
160 *** or it has been disabled. Face caching is mandatory
161 *** so please enable it or use a newer client.
162 ***
163 *** Look at your client preferences:
164 ***
165 *** deliantra: all known versions automatically enable the facecache.
166 *** cfclient: use the -cache commandline option.
167 *** cfclient: map will not redraw automatically (bug).
168 *** gcfclient: use -cache commandline option, or enable
169 *** gcfclient: Client => Configure => Map & Image => Cache Images.
170 *** jcrossclient: your client is broken, use deliantra or gcfclient.
171 ***
172 ***
173 EOF
174 if ($ns->version =~ /jcrossclient/) {
175 # let them, for now
176 } else {
177 $ns->flush;
178 return $ns->destroy;
179 }
180
181 # $ns->facecache = true;
182 }
183
184 if ($ns->mapmode < cf::Map1aCmd) {
185 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
186
187
188 ***
189 *** WARNING:
190 *** Your client is too old. Please upgrade to a newer version.
191 EOF
192
193 $ns->flush;
194 return $ns->destroy;
195 }
196
197 $ns->pl and return $ns->destroy;
198
199 $ns->async (sub {
200 $Coro::current->{desc} = "addme init";
201
202 my ($user, $pass);
203
204 $ns->send_packet ("addme_success");
205
206 for (;;) {
207 $ns->send_drawinfo (
208 "Please enter your username now. If you are a new user, "
209 . "make one up that describes your character best. "
210 . "Only letters and digits are allowed, though.",
211 cf::NDI_BLUE
212 );
213
214 # read username
215 while () {
216 $user = query $ns, 0, "What is your name?\n:";
217
218 if ($cf::LOGIN_LOCK{$user}) {
219 $ns->send_drawinfo (
220 "That username is currently used in another login session. "
221 . "Chose another, or wait till the other session has ended.",
222 cf::NDI_RED
223 );
224 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
225 last;
226 } else {
227 $ns->send_drawinfo (
228 "Your username contains illegal characters "
229 . "(only a-z, A-Z and 0-9 are allowed), "
230 . "or is not between 3 and 18 characters in length.",
231 cf::NDI_RED
232 );
233 }
234 Coro::Timer::sleep 0.4;
235 }
236
237 check_playing $ns, $user and next;
238
239 $Coro::current->{desc} = "addme($user) pass";
240
241 $ns->send_drawinfo (
242 "Welcome $user, please enter your password now. "
243 . "New users should now choose a password. "
244 . "Anything your client lets you enter is fine.",
245 cf::NDI_BLUE
246 );
247
248 # read password
249 while () {
250 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
251 last if $pass =~ /.../;
252 $ns->send_drawinfo (
253 "Try to use at least three characters as your password please, "
254 . "that cannot be too much to ask for :)",
255 cf::NDI_RED
256 );
257 Coro::Timer::sleep 0.4;
258 }
259
260 # lock this username for the remainder of this login session
261 if ($cf::LOGIN_LOCK{$user}) {
262 $ns->send_drawinfo (
263 "That username is currently used in another login session. "
264 . "Chose another, or wait till the other session has ended.",
265 cf::NDI_RED
266 );
267 next;
268 }
269 local $cf::LOGIN_LOCK{$user} = 1;
270
271 check_playing $ns, $user and next;
272
273 $Coro::current->{desc} = "addme($user) check";
274
275 # try to read the user file and check the password
276 if (my $pl = cf::player::find $user) {
277 aio_stat $pl->path and next;
278 my $mtime = (stat _)[9];
279 my $hash = $pl->password;
280
281 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
282 nuke_str $pass;
283 # password matches, wonderful
284 my $pl = cf::player::find $user or next;
285 $pl->connect ($ns);
286 enter_map $pl;
287 last;
288 } elsif (can_cleanup $pl, $mtime) {
289 Coro::Timer::sleep 1;
290
291 $ns->send_drawinfo (
292 "Player exists, but password does not match. If this is your account, "
293 . "please try again. If not, you can now decide to take over this account "
294 . "because it has not been in-use for some time.",
295 cf::NDI_RED
296 );
297
298 #TODO: nuke_str
299 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
300 or next;
301
302 # check if the file hasn't changed
303 aio_stat cf::player::path $user and next;
304 $mtime == (stat _)[9] or next;
305
306 $pl->quit_character;
307
308 # fall through to creation
309 } else {
310 nuke_str $pass;
311
312 Coro::Timer::sleep 1;
313
314 $ns->send_drawinfo (
315 "Wrong username or password. Please try again "
316 . "(check for Numlock and other semi-obvious error sources).",
317 cf::NDI_RED
318 );
319 next;
320 }
321 } else {
322 # unable to load the playerfile:
323 # check wether the player dir exists, which means the file is corrupted or
324 # something very similar.
325 if (!aio_stat cf::player::playerdir $user) {
326 $ns->send_drawinfo (
327 "Unable to retrieve this player. It might be a locked or broken account. "
328 . "If this is your account, ask a dungeon master for assistance. "
329 . "Otherwise choose a different login name.",
330 cf::NDI_RED
331 );
332 next;
333 }
334 }
335
336 # the rest of this function is character creation
337 $Coro::current->{desc} = "addme($user) chargen";
338
339 # just to make sure nothing is left over
340 nuke_playerdir $user;
341
342 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
343
344 if ($pass2 ne $pass) {
345 nuke_str $pass;
346 nuke_str $pass2;
347 $ns->send_drawinfo (
348 "The passwords do not match, please try again.",
349 cf::NDI_RED
350 );
351 Coro::Timer::sleep 0.5;
352 next;
353 }
354
355 nuke_str $pass2;
356
357 my $pl = cf::player::new $user;
358 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
359 nuke_str $pass;
360 $pl->connect ($ns);
361 my $ob = $pl->ob;
362
363 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
364
365 while () {
366 $ob->update_stats;
367 $pl->save_stats;
368
369 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
370 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
371
372 if ($res =~ /^[Nn]/) {
373 last;
374 } elsif ($res > 0 && $res <= 7) {
375 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
376
377 if ($swap > 0 && $swap <= 7) {
378 $ob->swap_stats ($res - 1, $swap - 1);
379 }
380 } else {
381 $ob->roll_stats;
382 }
383
384 Coro::Timer::sleep 0.2;
385 }
386
387 $ob->set_animation (2);
388 $ob->add_statbonus;
389
390 while () {
391 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
392 my $msg = $ob->msg;
393 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
394 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
395
396 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
397 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
398
399 last if $res =~ /[dD]/;
400
401 $pl->chargen_race_next;
402 Coro::Timer::sleep 0.2;
403 }
404
405 $pl->chargen_race_done;
406
407 while () {
408 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
409 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
410
411 if ($res =~ /^[fF]/) {
412 $pl->gender (1);
413 last;
414 } elsif ($res =~ /^[mM]/) {
415 $pl->gender (0);
416 last;
417 }
418 Coro::Timer::sleep 0.2;
419 }
420
421 $ob->reply (undef, "Welcome to Deliantra!");
422
423 delete $pl->{deny_save};
424
425 last;
426 }
427 });
428 });
429
430 cf::register_command quit => sub {
431 my ($ob, $arg) = @_;
432
433 $ob->reply (undef,
434 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
435 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
436 cf::NDI_UNIQUE | cf::NDI_RED);
437 };
438
439 cf::register_command quit_character => sub {
440 my ($ob, $arg) = @_;
441
442 my $pl = $ob->contr;
443
444 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
445 if ($_[0] !~ /^[yY]/) {
446 $ob->reply (undef,
447 "Ok, not not quitting then.",
448 cf::NDI_UNIQUE | cf::NDI_RED);
449 } else {
450 $ob->reply (undef,
451 "Ok, quitting, hope to see you again.",
452 cf::NDI_UNIQUE | cf::NDI_RED);
453 $pl->ns->flush;
454 cf::async { $pl->quit_character };
455 }
456 });
457 };
458
459 cf::object->attach (
460 type => cf::SAVEBED,
461 on_apply => sub {
462 my ($bed, $ob) = @_;
463
464 return cf::override 0 unless $ob->type == cf::PLAYER;
465
466 my $pl = $ob->contr;
467
468 # update respawn position
469 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
470 cf::async { $pl->save };
471
472 my $killer = cf::arch::get "killer_logout";
473 $pl->killer ($killer);
474 $killer->destroy;
475 $ob->check_score;
476
477 $ob->reply (undef, "In the future, you will wake up here when you die.");
478
479 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
480 if ($_[0] !~ /^[yY]/) {
481 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
482 $pl->deactivate;
483 $pl->ns->destroy;
484 } else {
485 cf::async { $pl->save };
486 }
487 });
488 },
489 );
490
491 cf::player->attach (
492 on_login => sub {
493 my ($pl) = @_;
494 my $name = $pl->ob->name;
495
496 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
497 },
498 on_logout => sub {
499 my ($pl, $cleanly) = @_;
500 my $name = $pl->ob->name;
501
502 if ($cleanly) {
503 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
504 } else {
505 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
506 $pl->{unclean_save} = $cf::RUNTIME
507 unless safe_spot $pl;
508 }
509 },
510 );
511
512 #############################################################################
513
514 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
515 our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
516
517 our $SCHEDULER = cf::async_ext {
518 $Coro::current->{desc} = "player scheduler";
519
520 while () {
521 Coro::EV::timer_once $SCHEDULE_INTERVAL;
522
523 # this weird form of iteration over values is used because
524 # the hash changes underneath us frequently, and for
525 # keeps a direct reference to the value without (in 5.8 perls)
526 # keeping a reference, so this is prone to crashes or worse.
527 my @players = keys %cf::PLAYER;
528 for (@players) {
529 my $pl = $cf::PLAYER{$_}
530 or next;
531 $pl->valid or next;
532
533 eval {
534 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
535 $pl->save;
536
537 unless ($pl->active || $pl->ns) {
538 # check refcounts, this is tricky and needs to be adjusted to fit server internals
539 my $ob = $pl->ob;
540
541 my $pl_ref = $pl->refcnt_cnt;
542 my $ob_ref = $ob->refcnt_cnt;
543
544 ## pl_ref == $pl + ob->contr + %cf::PLAYER
545 ## ob_ref == $ob + pl->observe + simply being an object
546 if ($pl_ref == 3 && $ob_ref == 3) {
547 warn "player-scheduler destroy ", $ob->name;#d#
548
549 # remove from sight and get fresh "copies"
550 $pl = delete $cf::PLAYER{$ob->name};
551 $ob = $pl->ob;
552
553 $pl->destroy; # destroys $ob
554 } else {
555 my $a_ = $pl->refcnt;#d#
556 my $b_ = $ob->refcnt;#d#
557
558 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref/3 ob $ob_ref/3 (C pl $a_/1 ob $b_/2)\n";#d#
559 }
560 }
561 }
562 };
563 warn $@ if $@;
564 cf::cede_to_tick;
565 };
566 }
567 };
568
569 $SCHEDULER->prio (1);
570