ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/ext/login.ext
Revision: 1.86
Committed: Mon May 5 22:38:47 2008 UTC (16 years ago) by root
Branch: MAIN
CVS Tags: rel-2_54, rel-2_55
Changes since 1.85: +2 -6 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"; $pl->killer ($killer); $killer->destroy;
109 } else {
110 ($map, $x, $y) = $pl->savebed;
111
112 $ob->message (
113 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
114 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
115 . "Better use a savebed next time, much worse things could have happened... "
116 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
117 cf::NDI_RED
118 );
119 }
120 } else {
121 $ob->message (
122 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
123 . "as lots of things could happen when you leave by other means, such as cave-ins, "
124 . "or monsters suddenly snapping your body. Better use a savebed next time. "
125 . "H<Always apply a bed of reality to disconnect from the server.>",
126 cf::NDI_RED
127 );
128 }
129 }
130
131 $ob->goto ($map, $x, $y);
132 }
133
134 # delete a player directory, be non-blocking AND synchronous...
135 # (thats hard, so we crap out and fork).
136 sub nuke_playerdir {
137 my ($user) = @_;
138
139 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
140
141 cf::fork_call {
142 rename "$PLAYERDIR/$user", $temp;
143 system "rm", "-rf", $temp;
144 };
145 }
146
147 cf::client->attach (on_addme => sub {
148 my ($ns) = @_;
149
150 if (!$ns->facecache)
151 {
152 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
153
154
155 ***
156 *** WARNING:
157 *** Your client does not support face/image caching,
158 *** or it has been disabled. Face caching is mandatory
159 *** so please enable it or use a newer client.
160 ***
161 *** Look at your client preferences:
162 ***
163 *** deliantra: all known versions automatically enable the facecache.
164 *** cfclient: use the -cache commandline option.
165 *** cfclient: map will not redraw automatically (bug).
166 *** gcfclient: use -cache commandline option, or enable
167 *** gcfclient: Client => Configure => Map & Image => Cache Images.
168 *** jcrossclient: your client is broken, use deliantra or gcfclient.
169 ***
170 ***
171 EOF
172 if ($ns->version =~ /jcrossclient/) {
173 # let them, for now
174 } else {
175 $ns->flush;
176 return $ns->destroy;
177 }
178
179 # $ns->facecache = true;
180 }
181
182 if ($ns->mapmode < cf::Map1aCmd) {
183 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
184
185
186 ***
187 *** WARNING:
188 *** Your client is too old. Please upgrade to a newer version.
189 EOF
190
191 $ns->flush;
192 return $ns->destroy;
193 }
194
195 $ns->pl and return $ns->destroy;
196
197 $ns->async (sub {
198 $Coro::current->{desc} = "addme init";
199
200 my ($user, $pass);
201
202 $ns->send_packet ("addme_success");
203
204 for (;;) {
205 $ns->send_drawinfo (
206 "Please enter your username now. If you are a new user, "
207 . "make one up that describes your character best. "
208 . "Only letters and digits are allowed, though.",
209 cf::NDI_BLUE
210 );
211
212 # read username
213 while () {
214 $user = query $ns, 0, "What is your name?\n:";
215
216 if ($cf::LOGIN_LOCK{$user}) {
217 $ns->send_drawinfo (
218 "That username is currently used in another login session. "
219 . "Chose another, or wait till the other session has ended.",
220 cf::NDI_RED
221 );
222 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
223 last;
224 } else {
225 $ns->send_drawinfo (
226 "Your username contains illegal characters "
227 . "(only a-z, A-Z and 0-9 are allowed), "
228 . "or is not between 3 and 18 characters in length.",
229 cf::NDI_RED
230 );
231 }
232 Coro::Timer::sleep 0.4;
233 }
234
235 check_playing $ns, $user and next;
236
237 $Coro::current->{desc} = "addme($user) pass";
238
239 $ns->send_drawinfo (
240 "Welcome $user, please enter your password now. "
241 . "New users should now choose a password. "
242 . "Anything your client lets you enter is fine.",
243 cf::NDI_BLUE
244 );
245
246 # read password
247 while () {
248 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
249 last if $pass =~ /.../;
250 $ns->send_drawinfo (
251 "Try to use at least three characters as your password please, "
252 . "that cannot be too much to ask for :)",
253 cf::NDI_RED
254 );
255 Coro::Timer::sleep 0.4;
256 }
257
258 # lock this username for the remainder of this login session
259 if ($cf::LOGIN_LOCK{$user}) {
260 $ns->send_drawinfo (
261 "That username is currently used in another login session. "
262 . "Chose another, or wait till the other session has ended.",
263 cf::NDI_RED
264 );
265 next;
266 }
267 local $cf::LOGIN_LOCK{$user} = 1;
268
269 check_playing $ns, $user and next;
270
271 $Coro::current->{desc} = "addme($user) check";
272
273 # try to read the user file and check the password
274 if (my $pl = cf::player::find $user) {
275 aio_stat $pl->path and next;
276 my $mtime = (stat _)[9];
277 my $hash = $pl->password;
278
279 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
280 nuke_str $pass;
281 # password matches, wonderful
282 my $pl = cf::player::find $user or next;
283 $pl->connect ($ns);
284 enter_map $pl;
285 last;
286 } elsif (can_cleanup $pl, $mtime) {
287 Coro::Timer::sleep 1;
288
289 $ns->send_drawinfo (
290 "Player exists, but password does not match. If this is your account, "
291 . "please try again. If not, you can now decide to take over this account "
292 . "because it has not been in-use for some time.",
293 cf::NDI_RED
294 );
295
296 #TODO: nuke_str
297 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
298 or next;
299
300 # check if the file hasn't changed
301 aio_stat cf::player::path $user and next;
302 $mtime == (stat _)[9] or next;
303
304 $pl->quit_character;
305
306 # fall through to creation
307 } else {
308 nuke_str $pass;
309
310 Coro::Timer::sleep 1;
311
312 $ns->send_drawinfo (
313 "Wrong username or password. Please try again "
314 . "(check for Numlock and other semi-obvious error sources).",
315 cf::NDI_RED
316 );
317 next;
318 }
319 } else {
320 # unable to load the playerfile:
321 # check wether the player dir exists, which means the file is corrupted or
322 # something very similar.
323 if (!aio_stat cf::player::playerdir $user) {
324 $ns->send_drawinfo (
325 "Unable to retrieve this player. It might be a locked or broken account. "
326 . "If this is your account, ask a dungeon master for assistance. "
327 . "Otherwise choose a different login name.",
328 cf::NDI_RED
329 );
330 next;
331 }
332 }
333
334 # the rest of this function is character creation
335 $Coro::current->{desc} = "addme($user) chargen";
336
337 # just to make sure nothing is left over
338 nuke_playerdir $user;
339
340 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
341
342 if ($pass2 ne $pass) {
343 nuke_str $pass;
344 nuke_str $pass2;
345 $ns->send_drawinfo (
346 "The passwords do not match, please try again.",
347 cf::NDI_RED
348 );
349 Coro::Timer::sleep 0.5;
350 next;
351 }
352
353 nuke_str $pass2;
354
355 my $pl = cf::player::new $user;
356 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
357 nuke_str $pass;
358 $pl->connect ($ns);
359 my $ob = $pl->ob;
360
361 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
362
363 while () {
364 $ob->update_stats;
365 $pl->save_stats;
366
367 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
368 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
369
370 if ($res =~ /^[Nn]/) {
371 last;
372 } elsif ($res > 0 && $res <= 7) {
373 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
374
375 if ($swap > 0 && $swap <= 7) {
376 $ob->swap_stats ($res - 1, $swap - 1);
377 }
378 } else {
379 $ob->roll_stats;
380 }
381
382 Coro::Timer::sleep 0.2;
383 }
384
385 $ob->set_animation (2);
386 $ob->add_statbonus;
387
388 while () {
389 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
390 my $msg = $ob->msg;
391 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
392 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
393
394 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
395 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
396
397 last if $res =~ /[dD]/;
398
399 $pl->chargen_race_next;
400 Coro::Timer::sleep 0.2;
401 }
402
403 # create the playerdir, if necessary, as chargen_race_done did it before
404 # presumably because of unique maps
405 aio_mkdir playerdir $pl, 0770;
406 $pl->chargen_race_done;
407
408 while () {
409 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
410 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
411
412 if ($res =~ /^[fF]/) {
413 $pl->gender (1);
414 last;
415 } elsif ($res =~ /^[mM]/) {
416 $pl->gender (0);
417 last;
418 }
419 Coro::Timer::sleep 0.2;
420 }
421
422 $ob->reply (undef, "Welcome to Deliantra!");
423
424 delete $pl->{deny_save};
425
426 last;
427 }
428 });
429 });
430
431 cf::register_command quit => sub {
432 my ($ob, $arg) = @_;
433
434 $ob->reply (undef,
435 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
436 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
437 cf::NDI_UNIQUE | cf::NDI_RED);
438 };
439
440 cf::register_command quit_character => sub {
441 my ($ob, $arg) = @_;
442
443 my $pl = $ob->contr;
444
445 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
446 if ($_[0] !~ /^[yY]/) {
447 $ob->reply (undef,
448 "Ok, not not quitting then.",
449 cf::NDI_UNIQUE | cf::NDI_RED);
450 } else {
451 $ob->reply (undef,
452 "Ok, quitting, hope to see you again.",
453 cf::NDI_UNIQUE | cf::NDI_RED);
454 $pl->ns->flush;
455 cf::async { $pl->quit_character };
456 }
457 });
458 };
459
460 cf::object->attach (
461 type => cf::SAVEBED,
462 on_apply => sub {
463 my ($bed, $ob) = @_;
464
465 return cf::override 0 unless $ob->type == cf::PLAYER;
466
467 my $pl = $ob->contr;
468
469 # update respawn position
470 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
471 cf::async { $pl->save };
472
473 my $killer = cf::arch::get "killer_logout"; $pl->killer ($killer); $killer->destroy;
474 $ob->check_score;
475
476 $ob->reply (undef, "In the future, you will wake up here when you die.");
477
478 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
479 if ($_[0] !~ /^[yY]/) {
480 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
481 $pl->deactivate;
482 $pl->ns->destroy;
483 } else {
484 cf::async { $pl->save };
485 }
486 });
487 },
488 );
489
490 cf::player->attach (
491 on_login => sub {
492 my ($pl) = @_;
493 my $name = $pl->ob->name;
494
495 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
496 },
497 on_logout => sub {
498 my ($pl, $cleanly) = @_;
499 my $name = $pl->ob->name;
500
501 if ($cleanly) {
502 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
503 } else {
504 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
505 $pl->{unclean_save} = $cf::RUNTIME
506 unless safe_spot $pl;
507 }
508 },
509 );
510
511 #############################################################################
512
513 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
514 our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
515
516 our $SCHEDULER = cf::async_ext {
517 $Coro::current->{desc} = "player scheduler";
518
519 while () {
520 Coro::EV::timer_once $SCHEDULE_INTERVAL;
521
522 # this weird form of iteration over values is used because
523 # the hash changes underneath us frequently, and for
524 # keeps a direct reference to the value without (in 5.8 perls)
525 # keeping a reference, so this is prone to crashes or worse.
526 my @players = keys %cf::PLAYER;
527 for (@players) {
528 my $pl = $cf::PLAYER{$_}
529 or next;
530 $pl->valid or next;
531
532 eval {
533 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
534 $pl->save;
535
536 unless ($pl->active || $pl->ns) {
537 # check refcounts, this is tricky and needs to be adjusted to fit server internals
538 my $ob = $pl->ob;
539
540 my $pl_ref = $pl->refcnt_cnt;
541 my $ob_ref = $ob->refcnt_cnt;
542
543 ## pl_ref == $pl + ob->contr + %cf::PLAYER
544 ## ob_ref == $ob + pl->observe + simply being an object
545 if ($pl_ref == 3 && $ob_ref == 3) {
546 warn "player-scheduler destroy ", $ob->name;#d#
547
548 # remove from sight and get fresh "copies"
549 $pl = delete $cf::PLAYER{$ob->name};
550 $ob = $pl->ob;
551
552 $pl->destroy; # destroys $ob
553 } else {
554 my $a_ = $pl->refcnt;#d#
555 my $b_ = $ob->refcnt;#d#
556
557 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref/3 ob $ob_ref/3 (C pl $a_/1 ob $b_/2)\n";#d#
558 }
559 }
560 }
561 };
562 warn $@ if $@;
563 cf::cede_to_tick;
564 };
565 }
566 };
567
568 $SCHEDULER->prio (1);
569