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/cvs/deliantra/server/ext/login.ext
Revision: 1.78
Committed: Mon Jan 7 01:55:19 2008 UTC (16 years, 5 months ago) by root
Branch: MAIN
Changes since 1.77: +5 -0 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 ($m, $x, $y) = @_;
59
60 return 0;
61 warn join ":", $m->at ($x, $y);#d#
62 warn "FOO$m { ".scalar ($m->at ($x, $y))." }\n";
63 return 0;
64
65 scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
66 }
67
68 sub enter_map {
69 my ($pl) = @_;
70
71 my $ob = $pl->ob;
72
73 my ($map, $x, $y)
74 = $ob->{_link_pos}
75 ? @{delete $ob->{_link_pos}}
76 : ($pl->maplevel, $ob->x, $ob->y);
77
78 $ob->enter_link;
79
80 my $m = cf::map::find $map;
81 my $time = delete $pl->{unclean_save};
82
83 if ($time && $m && !safe_spot $m, $x, $y) {
84 if ($time < $m->{instantiate_time}) {
85 # the map was reset in the meantime
86 my $age = $cf::RUNTIME - $time;
87
88 warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
89
90 ($map, $x, $y) = $pl->savebed;
91
92 if ($age >= $MAX_DISCONNECT_TIME) {
93 $ob->message (
94 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
95 . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
96 . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
97 . "H<You disconnected too long without having used a savebed.>",
98 cf::NDI_RED
99 );
100 # kill them.
101 # reminds me of the famous badness 10000 syndrome...
102 $ob->stats->hp (-10000); #] if they survive this they deserved to live
103 $pl->killer ("a cave-in");
104 } else {
105 $ob->message (
106 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
107 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
108 . "Better use a savebed next time, much worse things could have happened... "
109 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
110 cf::NDI_RED
111 );
112 }
113 } else {
114 $ob->message (
115 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
116 . "as lots of things could happen when you leave by other means, such as cave-ins, "
117 . "or monsters suddenly snapping your body. Better use a savebed next time. "
118 . "H<Always apply a bed of reality to disconnect from the server.>",
119 cf::NDI_RED
120 );
121 }
122 }
123
124 $ob->goto ($map, $x, $y);
125 }
126
127 # delete a player directory, be non-blocking AND synchronous...
128 # (thats hard, so we crap out and fork).
129 sub nuke_playerdir {
130 my ($user) = @_;
131
132 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
133
134 cf::fork_call {
135 rename "$PLAYERDIR/$user", $temp;
136 system "rm", "-rf", $temp;
137 };
138 }
139
140 cf::client->attach (on_addme => sub {
141 my ($ns) = @_;
142
143 if (!$ns->facecache)
144 {
145 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
146
147
148 ***
149 *** WARNING:
150 *** Your client does not support face/image caching,
151 *** or it has been disabled. Face caching is mandatory
152 *** so please enable it or use a newer client.
153 ***
154 *** Look at your client preferences:
155 ***
156 *** CFPlus: all known versions automatically enable the facecache.
157 *** cfclient: use the -cache commandline option.
158 *** cfclient: map will not redraw automatically (bug).
159 *** gcfclient: use -cache commandline option, or enable
160 *** gcfclient: Client => Configure => Map & Image => Cache Images.
161 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
162 ***
163 ***
164 EOF
165 if ($ns->version =~ /jcrossclient/) {
166 # let them, for now
167 } else {
168 $ns->flush;
169 return $ns->destroy;
170 }
171
172 # $ns->facecache = true;
173 }
174
175 if ($ns->mapmode < cf::Map1aCmd) {
176 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
177
178
179 ***
180 *** WARNING:
181 *** Your client is too old. Please upgrade to a newer version.
182 EOF
183
184 $ns->flush;
185 return $ns->destroy;
186 }
187
188 $ns->pl and return $ns->destroy;
189
190 $ns->async (sub {
191 $Coro::current->{desc} = "addme init";
192
193 my ($user, $pass);
194
195 $ns->send_packet ("addme_success");
196
197 for (;;) {
198 $ns->send_drawinfo (
199 "Please enter your username now. If you are a new user, "
200 . "make one up that describes your character best. "
201 . "Only letters and digits are allowed, though.",
202 cf::NDI_BLUE
203 );
204
205 # read username
206 while () {
207 $user = query $ns, 0, "What is your name?\n:";
208
209 if ($cf::LOGIN_LOCK{$user}) {
210 $ns->send_drawinfo (
211 "That username is currently used in another login session. "
212 . "Chose another, or wait till the other session has ended.",
213 cf::NDI_RED
214 );
215 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
216 last;
217 } else {
218 $ns->send_drawinfo (
219 "Your username contains illegal characters "
220 . "(only a-z, A-Z and 0-9 are allowed), "
221 . "or is not between 3 and 18 characters in length.",
222 cf::NDI_RED
223 );
224 }
225 Coro::Timer::sleep 0.4;
226 }
227
228 check_playing $ns, $user and next;
229
230 $Coro::current->{desc} = "addme($user) pass";
231
232 $ns->send_drawinfo (
233 "Welcome $user, please enter your password now. "
234 . "New users should now choose a password. "
235 . "Anything your client lets you enter is fine.",
236 cf::NDI_BLUE
237 );
238
239 # read password
240 while () {
241 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
242 last if $pass =~ /.../;
243 $ns->send_drawinfo (
244 "Try to use at least three characters as your password please, "
245 . "that cannot be too much to ask for :)",
246 cf::NDI_RED
247 );
248 Coro::Timer::sleep 0.4;
249 }
250
251 # lock this username for the remainder of this login session
252 if ($cf::LOGIN_LOCK{$user}) {
253 $ns->send_drawinfo (
254 "That username is currently used in another login session. "
255 . "Chose another, or wait till the other session has ended.",
256 cf::NDI_RED
257 );
258 next;
259 }
260 local $cf::LOGIN_LOCK{$user} = 1;
261
262 check_playing $ns, $user and next;
263
264 $Coro::current->{desc} = "addme($user) check";
265
266 # try to read the user file and check the password
267 if (my $pl = cf::player::find $user) {
268 aio_stat $pl->path and next;
269 my $mtime = (stat _)[9];
270 my $hash = $pl->password;
271
272 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
273 nuke_str $pass;
274 # password matches, wonderful
275 my $pl = cf::player::find $user or next;
276 $pl->connect ($ns);
277 enter_map $pl;
278 last;
279 } elsif (can_cleanup $pl, $mtime) {
280 Coro::Timer::sleep 1;
281
282 $ns->send_drawinfo (
283 "Player exists, but password does not match. If this is your account, "
284 . "please try again. If not, you can now decide to take over this account "
285 . "because it has not been in-use for some time.",
286 cf::NDI_RED
287 );
288
289 #TODO: nuke_str
290 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
291 or next;
292
293 # check if the file hasn't changed
294 aio_stat cf::player::path $user and next;
295 $mtime == (stat _)[9] or next;
296
297 $pl->quit_character;
298
299 # fall through to creation
300 } else {
301 nuke_str $pass;
302
303 Coro::Timer::sleep 1;
304
305 $ns->send_drawinfo (
306 "Wrong username or password. Please try again "
307 . "(check for Numlock and other semi-obvious error sources).",
308 cf::NDI_RED
309 );
310 next;
311 }
312 } else {
313 # unable to load the playerfile:
314 # check wether the player dir exists, which means the file is corrupted or
315 # something very similar.
316 if (!aio_stat cf::player::playerdir $user) {
317 $ns->send_drawinfo (
318 "Unable to retrieve this player. It might be a locked or broken account. "
319 . "If this is your account, ask a dungeon master for assistance. "
320 . "Otherwise choose a different login name.",
321 cf::NDI_RED
322 );
323 next;
324 }
325 }
326
327 # the rest of this function is character creation
328 $Coro::current->{desc} = "addme($user) chargen";
329
330 # just to make sure nothing is left over
331 nuke_playerdir $user;
332
333 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
334
335 if ($pass2 ne $pass) {
336 nuke_str $pass;
337 nuke_str $pass2;
338 $ns->send_drawinfo (
339 "The passwords do not match, please try again.",
340 cf::NDI_RED
341 );
342 Coro::Timer::sleep 0.5;
343 next;
344 }
345
346 nuke_str $pass2;
347
348 my $pl = cf::player::new $user;
349 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
350 nuke_str $pass;
351 $pl->connect ($ns);
352 my $ob = $pl->ob;
353
354 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
355
356 while () {
357 $ob->update_stats;
358 $pl->save_stats;
359
360 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
361 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
362
363 if ($res =~ /^[Nn]/) {
364 last;
365 } elsif ($res > 0 && $res <= 7) {
366 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
367
368 if ($swap > 0 && $swap <= 7) {
369 $ob->swap_stats ($res - 1, $swap - 1);
370 }
371 } else {
372 $ob->roll_stats;
373 }
374
375 Coro::Timer::sleep 0.2;
376 }
377
378 $ob->set_animation (2);
379 $ob->add_statbonus;
380
381 while () {
382 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
383 my $msg = $ob->msg;
384 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
385 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
386
387 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
388 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
389
390 last if $res =~ /[dD]/;
391
392 $pl->chargen_race_next;
393 Coro::Timer::sleep 0.2;
394 }
395
396 $pl->chargen_race_done;
397
398 while () {
399 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
400 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
401
402 if ($res =~ /^[fF]/) {
403 $pl->gender (1);
404 last;
405 } elsif ($res =~ /^[mM]/) {
406 $pl->gender (0);
407 last;
408 }
409 Coro::Timer::sleep 0.2;
410 }
411
412 $ob->reply (undef, "Welcome to Deliantra!");
413
414 delete $pl->{deny_save};
415
416 last;
417 }
418 });
419 });
420
421 cf::register_command quit => sub {
422 my ($ob, $arg) = @_;
423
424 $ob->reply (undef,
425 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
426 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
427 cf::NDI_UNIQUE | cf::NDI_RED);
428 };
429
430 cf::register_command quit_character => sub {
431 my ($ob, $arg) = @_;
432
433 my $pl = $ob->contr;
434
435 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
436 if ($_[0] !~ /^[yY]/) {
437 $ob->reply (undef,
438 "Ok, not not quitting then.",
439 cf::NDI_UNIQUE | cf::NDI_RED);
440 } else {
441 $ob->reply (undef,
442 "Ok, quitting, hope to see you again.",
443 cf::NDI_UNIQUE | cf::NDI_RED);
444 $pl->ns->flush;
445 cf::async { $pl->quit_character };
446 }
447 });
448 };
449
450 cf::object->attach (
451 type => cf::SAVEBED,
452 on_apply => sub {
453 my ($bed, $ob) = @_;
454
455 return cf::override 0 unless $ob->type == cf::PLAYER;
456
457 my $pl = $ob->contr;
458
459 # update respawn position
460 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
461 cf::async { $pl->save };
462
463 $pl->killer ("left");
464 $ob->check_score;
465
466 $ob->reply (undef, "In the future, you will wake up here when you die.");
467
468 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
469 if ($_[0] !~ /^[yY]/) {
470 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
471 $pl->deactivate;
472 $pl->ns->destroy;
473 } else {
474 cf::async { $pl->save };
475 }
476 });
477 },
478 );
479
480 cf::player->attach (
481 on_login => sub {
482 my ($pl) = @_;
483 my $name = $pl->ob->name;
484
485 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
486 },
487 on_logout => sub {
488 my ($pl, $cleanly) = @_;
489 my $name = $pl->ob->name;
490
491 if ($cleanly) {
492 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
493 } else {
494 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
495 $pl->{unclean_save} = $cf::RUNTIME;
496 }
497 },
498 );
499
500 #############################################################################
501
502 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
503 our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
504
505 our $SCHEDULER = cf::async_ext {
506 $Coro::current->{desc} = "player scheduler";
507
508 while () {
509 Coro::EV::timer_once $SCHEDULE_INTERVAL;
510
511 # this weird form of iteration over values is used because
512 # the hash changes underneath us frequently, and for
513 # keeps a direct reference to the value without (in 5.8 perls)
514 # keeping a reference, so this is prone to crashes or worse.
515 my @players = keys %cf::PLAYER;
516 for (@players) {
517 my $pl = $cf::PLAYER{$_}
518 or next;
519 $pl->valid or next;
520
521 eval {
522 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
523 $pl->save;
524
525 unless ($pl->active || $pl->ns) {
526 # check refcounts, this is tricky and needs to be adjusted to fit server internals
527 my $ob = $pl->ob;
528
529 my $pl_ref = $pl->refcnt_cnt;
530 my $ob_ref = $ob->refcnt_cnt;
531
532 ## pl_ref == $pl + ob->contr + %cf::PLAYER
533 ## ob_ref == $ob + pl->observe + simply being an object
534 if ($pl_ref == 3 && $ob_ref == 3) {
535 warn "player-scheduler destroy ", $ob->name;#d#
536
537 # remove from sight and get fresh "copies"
538 $pl = delete $cf::PLAYER{$ob->name};
539 $ob = $pl->ob;
540
541 $pl->destroy; # destroys $ob
542 } else {
543 my $a_ = $pl->refcnt;#d#
544 my $b_ = $ob->refcnt;#d#
545
546 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
547 }
548 }
549 }
550 };
551 warn $@ if $@;
552 Coro::cede;
553 };
554 }
555 };
556
557 $SCHEDULER->prio (1);
558