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/cvs/deliantra/server/ext/login.ext
Revision: 1.76
Committed: Fri Dec 28 19:40:22 2007 UTC (16 years, 4 months ago) by root
Branch: MAIN
Changes since 1.75: +11 -2 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 if (my $time = delete $pl->{unclean_save}) {
76 if (my $m = cf::map::find $map) {
77 if ($time < $m->{instantiate_time}) {
78 # the map was reset in the meantime
79 my $age = $cf::RUNTIME - $time;
80
81 warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
82
83 ($map, $x, $y) = $pl->savebed;
84
85 if (safe_spot $m, $x, $y) {
86 # do nothing, this is simply ok without a special scary message
87 } elsif ($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 } elsif (safe_spot $m, $x, $y) {
109 # do nothing, this is simply ok without a special scary message
110 } else {
111 $ob->message (
112 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
113 . "as lots of things could happen when you leave by other means, such as cave-ins, "
114 . "or monsters suddenly snapping your body. Better use a savebed next time. "
115 . "H<Always apply a bed of reality to disconnect from the server.>",
116 cf::NDI_RED
117 );
118 }
119 }
120 }
121
122 $ob->goto ($map, $x, $y);
123 }
124
125 # delete a player directory, be non-blocking AND synchronous...
126 # (thats hard, so we crap out and fork).
127 sub nuke_playerdir {
128 my ($user) = @_;
129
130 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
131
132 cf::fork_call {
133 rename "$PLAYERDIR/$user", $temp;
134 system "rm", "-rf", $temp;
135 };
136 }
137
138 cf::client->attach (on_addme => sub {
139 my ($ns) = @_;
140
141 if (!$ns->facecache)
142 {
143 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
144
145
146 ***
147 *** WARNING:
148 *** Your client does not support face/image caching,
149 *** or it has been disabled. Face caching is mandatory
150 *** so please enable it or use a newer client.
151 ***
152 *** Look at your client preferences:
153 ***
154 *** CFPlus: all known versions automatically enable the facecache.
155 *** cfclient: use the -cache commandline option.
156 *** cfclient: map will not redraw automatically (bug).
157 *** gcfclient: use -cache commandline option, or enable
158 *** gcfclient: Client => Configure => Map & Image => Cache Images.
159 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
160 ***
161 ***
162 EOF
163 if ($ns->version =~ /jcrossclient/) {
164 # let them, for now
165 } else {
166 $ns->flush;
167 return $ns->destroy;
168 }
169
170 # $ns->facecache = true;
171 }
172
173 if ($ns->mapmode < cf::Map1aCmd) {
174 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
175
176
177 ***
178 *** WARNING:
179 *** Your client is too old. Please upgrade to a newer version.
180 EOF
181
182 $ns->flush;
183 return $ns->destroy;
184 }
185
186 $ns->pl and return $ns->destroy;
187
188 $ns->async (sub {
189 $Coro::current->{desc} = "addme init";
190
191 my ($user, $pass);
192
193 $ns->send_packet ("addme_success");
194
195 for (;;) {
196 $ns->send_drawinfo (
197 "Please enter your username now. If you are a new user, "
198 . "make one up that describes your character best. "
199 . "Only letters and digits are allowed, though.",
200 cf::NDI_BLUE
201 );
202
203 # read username
204 while () {
205 $user = query $ns, 0, "What is your name?\n:";
206
207 if ($cf::LOGIN_LOCK{$user}) {
208 $ns->send_drawinfo (
209 "That username is currently used in another login session. "
210 . "Chose another, or wait till the other session has ended.",
211 cf::NDI_RED
212 );
213 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
214 last;
215 } else {
216 $ns->send_drawinfo (
217 "Your username contains illegal characters "
218 . "(only a-z, A-Z and 0-9 are allowed), "
219 . "or is not between 3 and 18 characters in length.",
220 cf::NDI_RED
221 );
222 }
223 Coro::Timer::sleep 0.4;
224 }
225
226 check_playing $ns, $user and next;
227
228 $Coro::current->{desc} = "addme($user) pass";
229
230 $ns->send_drawinfo (
231 "Welcome $user, please enter your password now. "
232 . "New users should now choose a password. "
233 . "Anything your client lets you enter is fine.",
234 cf::NDI_BLUE
235 );
236
237 # read password
238 while () {
239 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
240 last if $pass =~ /.../;
241 $ns->send_drawinfo (
242 "Try to use at least three characters as your password please, "
243 . "that cannot be too much to ask for :)",
244 cf::NDI_RED
245 );
246 Coro::Timer::sleep 0.4;
247 }
248
249 # lock this username for the remainder of this login session
250 if ($cf::LOGIN_LOCK{$user}) {
251 $ns->send_drawinfo (
252 "That username is currently used in another login session. "
253 . "Chose another, or wait till the other session has ended.",
254 cf::NDI_RED
255 );
256 next;
257 }
258 local $cf::LOGIN_LOCK{$user} = 1;
259
260 check_playing $ns, $user and next;
261
262 $Coro::current->{desc} = "addme($user) check";
263
264 # try to read the user file and check the password
265 if (my $pl = cf::player::find $user) {
266 aio_stat $pl->path and next;
267 my $mtime = (stat _)[9];
268 my $hash = $pl->password;
269
270 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
271 nuke_str $pass;
272 # password matches, wonderful
273 my $pl = cf::player::find $user or next;
274 $pl->connect ($ns);
275 enter_map $pl;
276 last;
277 } elsif (can_cleanup $pl, $mtime) {
278 Coro::Timer::sleep 1;
279
280 $ns->send_drawinfo (
281 "Player exists, but password does not match. If this is your account, "
282 . "please try again. If not, you can now decide to take over this account "
283 . "because it has not been in-use for some time.",
284 cf::NDI_RED
285 );
286
287 #TODO: nuke_str
288 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
289 or next;
290
291 # check if the file hasn't changed
292 aio_stat cf::player::path $user and next;
293 $mtime == (stat _)[9] or next;
294
295 $pl->quit_character;
296
297 # fall through to creation
298 } else {
299 nuke_str $pass;
300
301 Coro::Timer::sleep 1;
302
303 $ns->send_drawinfo (
304 "Wrong username or password. Please try again "
305 . "(check for Numlock and other semi-obvious error sources).",
306 cf::NDI_RED
307 );
308 next;
309 }
310 } else {
311 # unable to load the playerfile:
312 # check wether the player dir exists, which means the file is corrupted or
313 # something very similar.
314 if (!aio_stat cf::player::playerdir $user) {
315 $ns->send_drawinfo (
316 "Unable to retrieve this player. It might be a locked or broken account. "
317 . "If this is your account, ask a dungeon master for assistance. "
318 . "Otherwise choose a different login name.",
319 cf::NDI_RED
320 );
321 next;
322 }
323 }
324
325 # the rest of this function is character creation
326 $Coro::current->{desc} = "addme($user) chargen";
327
328 # just to make sure nothing is left over
329 nuke_playerdir $user;
330
331 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
332
333 if ($pass2 ne $pass) {
334 nuke_str $pass;
335 nuke_str $pass2;
336 $ns->send_drawinfo (
337 "The passwords do not match, please try again.",
338 cf::NDI_RED
339 );
340 Coro::Timer::sleep 0.5;
341 next;
342 }
343
344 nuke_str $pass2;
345
346 my $pl = cf::player::new $user;
347 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
348 nuke_str $pass;
349 $pl->connect ($ns);
350 my $ob = $pl->ob;
351
352 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
353
354 while () {
355 $ob->update_stats;
356 $pl->save_stats;
357
358 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
359 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
360
361 if ($res =~ /^[Nn]/) {
362 last;
363 } elsif ($res > 0 && $res <= 7) {
364 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
365
366 if ($swap > 0 && $swap <= 7) {
367 $ob->swap_stats ($res - 1, $swap - 1);
368 }
369 } else {
370 $ob->roll_stats;
371 }
372
373 Coro::Timer::sleep 0.2;
374 }
375
376 $ob->set_animation (2);
377 $ob->add_statbonus;
378
379 while () {
380 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
381 my $msg = $ob->msg;
382 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
383 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
384
385 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
386 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
387
388 last if $res =~ /[dD]/;
389
390 $pl->chargen_race_next;
391 Coro::Timer::sleep 0.2;
392 }
393
394 $pl->chargen_race_done;
395
396 while () {
397 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
398 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
399
400 if ($res =~ /^[fF]/) {
401 $pl->gender (1);
402 last;
403 } elsif ($res =~ /^[mM]/) {
404 $pl->gender (0);
405 last;
406 }
407 Coro::Timer::sleep 0.2;
408 }
409
410 $ob->reply (undef, "Welcome to Deliantra!");
411
412 delete $pl->{deny_save};
413
414 last;
415 }
416 });
417 });
418
419 cf::register_command quit => sub {
420 my ($ob, $arg) = @_;
421
422 $ob->reply (undef,
423 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
424 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
425 cf::NDI_UNIQUE | cf::NDI_RED);
426 };
427
428 cf::register_command quit_character => sub {
429 my ($ob, $arg) = @_;
430
431 my $pl = $ob->contr;
432
433 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
434 if ($_[0] !~ /^[yY]/) {
435 $ob->reply (undef,
436 "Ok, not not quitting then.",
437 cf::NDI_UNIQUE | cf::NDI_RED);
438 } else {
439 $ob->reply (undef,
440 "Ok, quitting, hope to see you again.",
441 cf::NDI_UNIQUE | cf::NDI_RED);
442 $pl->ns->flush;
443 cf::async { $pl->quit_character };
444 }
445 });
446 };
447
448 cf::object->attach (
449 type => cf::SAVEBED,
450 on_apply => sub {
451 my ($bed, $ob) = @_;
452
453 return cf::override 0 unless $ob->type == cf::PLAYER;
454
455 my $pl = $ob->contr;
456
457 # update respawn position
458 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
459 cf::async { $pl->save };
460
461 $pl->killer ("left");
462 $ob->check_score;
463
464 $ob->reply (undef, "In the future, you will wake up here when you die.");
465
466 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
467 if ($_[0] !~ /^[yY]/) {
468 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
469 $pl->deactivate;
470 $pl->ns->destroy;
471 } else {
472 cf::async { $pl->save };
473 }
474 });
475 },
476 );
477
478 cf::player->attach (
479 on_login => sub {
480 my ($pl) = @_;
481 my $name = $pl->ob->name;
482
483 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
484 },
485 on_logout => sub {
486 my ($pl, $cleanly) = @_;
487 my $name = $pl->ob->name;
488
489 if ($cleanly) {
490 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
491 } else {
492 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
493 $pl->{unclean_save} = $cf::RUNTIME;
494 }
495 },
496 );
497
498 #############################################################################
499
500 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
501 our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
502
503 our $SCHEDULER = cf::async_ext {
504 $Coro::current->{desc} = "player scheduler";
505
506 while () {
507 Coro::EV::timer_once $SCHEDULE_INTERVAL;
508
509 # this weird form of iteration over values is used because
510 # the hash changes underneath us frequently, and for
511 # keeps a direct reference to the value without (in 5.8 perls)
512 # keeping a reference, so this is prone to crashes or worse.
513 my @players = keys %cf::PLAYER;
514 for (@players) {
515 my $pl = $cf::PLAYER{$_}
516 or next;
517 $pl->valid or next;
518
519 eval {
520 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
521 $pl->save;
522
523 unless ($pl->active || $pl->ns) {
524 # check refcounts, this is tricky and needs to be adjusted to fit server internals
525 my $ob = $pl->ob;
526
527 my $pl_ref = $pl->refcnt_cnt;
528 my $ob_ref = $ob->refcnt_cnt;
529
530 ## pl_ref == $pl + ob->contr + %cf::PLAYER
531 ## ob_ref == $ob + pl->observe + simply being an object
532 if ($pl_ref == 3 && $ob_ref == 3) {
533 warn "player-scheduler destroy ", $ob->name;#d#
534
535 # remove from sight and get fresh "copies"
536 $pl = delete $cf::PLAYER{$ob->name};
537 $ob = $pl->ob;
538
539 $pl->destroy; # destroys $ob
540 } else {
541 my $a_ = $pl->refcnt;#d#
542 my $b_ = $ob->refcnt;#d#
543
544 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
545 }
546 }
547 }
548 };
549 warn $@ if $@;
550 Coro::cede;
551 };
552 }
553 };
554
555 $SCHEDULER->prio (1);
556