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/cvs/deliantra/server/ext/login.ext
Revision: 1.81
Committed: Fri Jan 18 03:34:55 2008 UTC (16 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rel-2_42, rel-2_41
Changes since 1.80: +2 -2 lines
Log Message:
move tombstone to real death location. thats not perfect, but better than putting it on the savebed (also for proof of not logging out)

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 $pl->killer ("a cave-in");
109 } else {
110 ($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 $pl->chargen_race_done;
404
405 while () {
406 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
407 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
408
409 if ($res =~ /^[fF]/) {
410 $pl->gender (1);
411 last;
412 } elsif ($res =~ /^[mM]/) {
413 $pl->gender (0);
414 last;
415 }
416 Coro::Timer::sleep 0.2;
417 }
418
419 $ob->reply (undef, "Welcome to Deliantra!");
420
421 delete $pl->{deny_save};
422
423 last;
424 }
425 });
426 });
427
428 cf::register_command quit => sub {
429 my ($ob, $arg) = @_;
430
431 $ob->reply (undef,
432 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
433 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
434 cf::NDI_UNIQUE | cf::NDI_RED);
435 };
436
437 cf::register_command quit_character => sub {
438 my ($ob, $arg) = @_;
439
440 my $pl = $ob->contr;
441
442 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
443 if ($_[0] !~ /^[yY]/) {
444 $ob->reply (undef,
445 "Ok, not not quitting then.",
446 cf::NDI_UNIQUE | cf::NDI_RED);
447 } else {
448 $ob->reply (undef,
449 "Ok, quitting, hope to see you again.",
450 cf::NDI_UNIQUE | cf::NDI_RED);
451 $pl->ns->flush;
452 cf::async { $pl->quit_character };
453 }
454 });
455 };
456
457 cf::object->attach (
458 type => cf::SAVEBED,
459 on_apply => sub {
460 my ($bed, $ob) = @_;
461
462 return cf::override 0 unless $ob->type == cf::PLAYER;
463
464 my $pl = $ob->contr;
465
466 # update respawn position
467 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
468 cf::async { $pl->save };
469
470 $pl->killer ("left");
471 $ob->check_score;
472
473 $ob->reply (undef, "In the future, you will wake up here when you die.");
474
475 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
476 if ($_[0] !~ /^[yY]/) {
477 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
478 $pl->deactivate;
479 $pl->ns->destroy;
480 } else {
481 cf::async { $pl->save };
482 }
483 });
484 },
485 );
486
487 cf::player->attach (
488 on_login => sub {
489 my ($pl) = @_;
490 my $name = $pl->ob->name;
491
492 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
493 },
494 on_logout => sub {
495 my ($pl, $cleanly) = @_;
496 my $name = $pl->ob->name;
497
498 if ($cleanly) {
499 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
500 } else {
501 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
502 $pl->{unclean_save} = $cf::RUNTIME
503 unless safe_spot $pl;
504 }
505 },
506 );
507
508 #############################################################################
509
510 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
511 our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
512
513 our $SCHEDULER = cf::async_ext {
514 $Coro::current->{desc} = "player scheduler";
515
516 while () {
517 Coro::EV::timer_once $SCHEDULE_INTERVAL;
518
519 # this weird form of iteration over values is used because
520 # the hash changes underneath us frequently, and for
521 # keeps a direct reference to the value without (in 5.8 perls)
522 # keeping a reference, so this is prone to crashes or worse.
523 my @players = keys %cf::PLAYER;
524 for (@players) {
525 my $pl = $cf::PLAYER{$_}
526 or next;
527 $pl->valid or next;
528
529 eval {
530 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
531 $pl->save;
532
533 unless ($pl->active || $pl->ns) {
534 # check refcounts, this is tricky and needs to be adjusted to fit server internals
535 my $ob = $pl->ob;
536
537 my $pl_ref = $pl->refcnt_cnt;
538 my $ob_ref = $ob->refcnt_cnt;
539
540 ## pl_ref == $pl + ob->contr + %cf::PLAYER
541 ## ob_ref == $ob + pl->observe + simply being an object
542 if ($pl_ref == 3 && $ob_ref == 3) {
543 warn "player-scheduler destroy ", $ob->name;#d#
544
545 # remove from sight and get fresh "copies"
546 $pl = delete $cf::PLAYER{$ob->name};
547 $ob = $pl->ob;
548
549 $pl->destroy; # destroys $ob
550 } else {
551 my $a_ = $pl->refcnt;#d#
552 my $b_ = $ob->refcnt;#d#
553
554 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
555 }
556 }
557 }
558 };
559 warn $@ if $@;
560 Coro::cede;
561 };
562 }
563 };
564
565 $SCHEDULER->prio (1);
566