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/cvs/deliantra/server/ext/login.ext
Revision: 1.77
Committed: Fri Dec 28 19:44:34 2007 UTC (16 years, 4 months ago) by root
Branch: MAIN
Changes since 1.76: +36 -39 lines
Log Message:
define safe spots as anything with a savebed and do not kill players there

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