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/cvs/deliantra/server/ext/login.ext
Revision: 1.42
Committed: Wed Apr 18 17:32:06 2007 UTC (17 years, 1 month ago) by root
Branch: MAIN
Changes since 1.41: +0 -2 lines
Log Message:
meet our new pod fucntionality, certainly not finished :) let me also introduce the beginnings of a new help command

File Contents

# Content
1 #! perl # MANDATORY
2
3 # login handling
4
5 use Fcntl;
6 use Coro::AIO;
7 use List::Util qw(min max);
8
9 # paranoia function to overwrite a string-in-place
10 sub nuke_str {
11 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
12 }
13
14 sub query {
15 my ($ns, $flags, $text) = @_;
16
17 my $current = $Coro::current;
18 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
19 Coro::schedule while ref $current;
20
21 $current
22 }
23
24 sub can_cleanup {
25 my ($pl, $mtime) = @_;
26
27 my $age = time - $mtime;
28 my $level = $pl->ob->level;
29
30 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
31 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
32 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
33 || $age > 700 * 86400 # 2 years for everybody else
34 }
35
36 sub check_playing {
37 my ($ns, $user) = @_;
38
39 return unless cf::player::find_active $user;
40
41 $ns->send_drawinfo (
42 "That player is already logged in on this server. "
43 . "If you want to create a new player, choose another name. "
44 . "If you are already a registered player, make sure nobody "
45 . "else is using your account at this time. If you lost your conenction "
46 . "then the server will likely timeout within a minute. If you still "
47 . "cannot log-in after a minute, you are still logged in. Make sure "
48 . "you do not have another client running. If you use windows, reboot, "
49 . "this will fix anything.",
50 cf::NDI_RED
51 );
52
53 1
54 }
55
56 sub check_clean_save {
57 my ($pl) = @_;
58
59 if (my $time = delete $pl->{unclean_save}) {
60 $pl->ns->send_drawinfo (
61 "You didn't use a savebed to leave this realm. This is very dangerous, "
62 . "as lots of things could happen when you leave by other means, such as cave-ins, "
63 . "or monsters suddenly snapping your body. Better use a savebed next time.",
64 cf::NDI_RED
65 );
66 #d#TODO
67 }
68 }
69
70 # delete a player directory, be non-blocking AND synchronous...
71 # (thats hard, so we crap out and fork).
72 sub nuke_playerdir {
73 my ($user) = @_;
74
75 aio_stat "$PLAYERDIR/$user";
76 system "cd \Q$PLAYERDIR\E "
77 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
78 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
79 }
80
81 sub send_capabilities {
82 my ($ns) = @_;
83
84 return unless $ns->extcmd;
85
86 $ns->ext_event (capabilities =>
87 # id, name, flags (1 == 2d), edge length
88 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
89 );
90 }
91
92 sub setup {
93 my ($ns, $args) = @_;
94
95 # run through the cmds of setup
96 # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
97 #
98 # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
99 # The client then must sort this out
100
101 my %setup = split / +/, $args;
102 while (my ($k, $v) = each %setup) {
103 if ($k eq "sound") {
104 $ns->sound ($v);
105
106 } elsif ($k eq "exp64") {
107 $setup{$k} = 1;
108
109 } elsif ($k eq "spellmon") {
110 $ns->monitor_spells ($v);
111
112 } elsif ($k eq "darkness") {
113 $ns->darkness ($v);
114
115 } elsif ($k eq "map1cmd") {
116 $ns->mapmode (cf::Map1Cmd) if $v > 0;
117
118 } elsif ($k eq "map1acmd") {
119 $ns->mapmode (cf::Map1aCmd) if $v > 0;
120
121 } elsif ($k eq "map2cmd") {
122 # gcfclient bug, map1acmd is sent too late
123 $ns->mapmode (cf::Map1aCmd);
124 $setup{$k} = "FALSE";
125
126 } elsif ($k eq "newmapcmd") {
127 $ns->newmapcmd ($v);
128
129 } elsif ($k eq "mapinfocmd") {
130 $ns->mapinfocmd ($v);
131
132 } elsif ($k eq "extcmd") {
133 $ns->extcmd ($v > 0);
134 send_capabilities $ns;
135
136 } elsif ($k eq "extmap") {
137 $ns->extmap ($v);
138
139 } elsif ($k eq "facecache") {
140 if (!$v) {
141 $v = 1;
142 $setup{$k} = $v;
143 $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
144 }
145
146 $ns->facecache ($v);
147
148 } elsif ($k eq "faceset") {
149 $ns->faceset (0);
150 $setup{$k} = 0;
151 # $ns->image2 (1)
152
153 } elsif ($k eq "tileset") {
154 $setup{$k} = $ns->faceset ($v & 1);
155
156 } elsif ($k eq "itemcmd") {
157 # Version of the item protocol command to use. Currently,
158 # only supported versions are 1 and 2. Using a numeric
159 # value will make it very easy to extend this in the future.
160 $ns->itemcmd ($v) if $v >= 1 && $v <= 2;
161
162 $setup{$k} = $ns->itemcmd;
163
164 } elsif ($k eq "mapsize") {
165 my ($x, $y) = split /x/, $v;
166
167 $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
168 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
169
170 $setup{$k} = "${x}x${y}";
171
172 } elsif ($k eq "extendedMapInfos") {
173 $ns->ext_mapinfos ($v);
174
175 } elsif ($k eq "extendedTextInfos") {
176 $ns->has_readable_type ($v);
177
178 } elsif ($k eq "smoothing") { # cfplus-style smoothing
179 $ns->smoothing ($v);
180
181 } elsif ($k eq "fxix") {
182 $ns->fxix ($v);
183
184 } else {
185 # other commands:
186 # sexp: no idea, probably for oudated servers
187 # tick: more stupidity, server should sned a tick per tick
188
189 $setup{$k} = "FALSE";
190 }
191 }
192
193 $ns->send_packet (join " ", setup => %setup);
194
195 cf::datalog setup =>
196 request => $args,
197 reply => \%setup,
198 client => $ns->version,
199 ;
200 }
201
202 sub addme {
203 my ($ns) = @_;
204
205 if (!$ns->facecache)
206 {
207 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
208
209
210 ***
211 *** WARNING:
212 *** Your client does not support face/image caching,
213 *** or it has been disabled. Face caching is mandatory
214 *** so please enable it or use a newer client.
215 ***
216 *** Look at your client preferences:
217 ***
218 *** CFPlus: all known versions automatically enable the facecache.
219 *** cfclient: use the -cache commandline option.
220 *** cfclient: map will not redraw automatically (bug).
221 *** gcfclient: use -cache commandline option, or enable
222 *** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
223 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
224 ***
225 ***
226 EOF
227 if ($ns->version =~ /jcrossclient/) {
228 # let them, for now
229 } else {
230 $ns->flush;
231 return $ns->destroy;
232 }
233
234 # $ns->facecache = true;
235 }
236
237 if ($ns->mapmode < cf::Map1aCmd) {
238 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
239
240
241 ***
242 *** WARNING:
243 *** Your client is too old. Please upgrade to a newer version.
244 EOF
245
246 $ns->flush;
247 return $ns->destroy;
248 }
249
250 $ns->pl and return $ns->destroy;
251
252 $ns->async (sub {
253 my ($user, $pass);
254
255 $ns->send_packet ("addme_success");
256
257 for (;;) {
258 $ns->send_drawinfo (
259 "Please enter your username now. If you are a new user, "
260 . "make one up that describes your character best. "
261 . "Only letters and digits are allowed, though.",
262 cf::NDI_BLUE
263 );
264
265 # read username
266 while () {
267 $user = query $ns, 0, "What is your name?\n:";
268
269 if ($cf::LOGIN_LOCK{$user}) {
270 $ns->send_drawinfo (
271 "That username is currently used in another login session. "
272 . "Chose another, or wait till the other session has ended.",
273 cf::NDI_RED
274 );
275 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
276 last;
277 } else {
278 $ns->send_drawinfo (
279 "Your username contains illegal characters "
280 . "(only a-z, A-Z and 0-9 are allowed), "
281 . "or is not between 3 and 18 characters in length.",
282 cf::NDI_RED
283 );
284 }
285 }
286
287 check_playing $ns, $user and next;
288
289 $ns->send_drawinfo (
290 "Welcome $user, please enter your password now. "
291 . "New users should now choose a password. "
292 . "Anything your client lets you enter is fine.",
293 cf::NDI_BLUE
294 );
295
296 # read password
297 while () {
298 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
299 last if $pass =~ /.../;
300 $ns->send_drawinfo (
301 "Try to use at least three characters as your password please, "
302 . "that cannot be too much to ask for :)",
303 cf::NDI_RED
304 );
305 }
306
307 # lock this username for the remainder of this login session
308 if ($cf::LOGIN_LOCK{$user}) {
309 $ns->send_drawinfo (
310 "That username is currently used in another login session. "
311 . "Chose another, or wait till the other session has ended.",
312 cf::NDI_RED
313 );
314 next;
315 }
316 local $cf::LOGIN_LOCK{$user} = 1;
317
318 check_playing $ns, $user and next;
319
320 # try to read the user file and check the password
321 if (my $pl = cf::player::find $user) {
322 aio_stat $pl->path and next;
323 my $mtime = (stat _)[9];
324 my $hash = $pl->password;
325
326 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
327 nuke_str $pass;
328 # password matches, wonderful
329 my $pl = cf::player::find $user or next;
330 $pl->connect ($ns);
331 check_clean_save $pl;
332 last;
333 } elsif (can_cleanup $pl, $mtime) {
334 Coro::Timer::sleep 1;
335
336 $ns->send_drawinfo (
337 "Player exists, but password does not match. If this is your account, "
338 . "please try again. If not, you can now decide to take over this account "
339 . "because it has not been in-use for some time.",
340 cf::NDI_RED
341 );
342
343 #TODO: nuke_str
344 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
345 or next;
346
347 # check if the file hasn't changed
348 aio_stat cf::player::path $user and next;
349 $mtime == (stat _)[9] or next;
350
351 $pl->quit_character;
352
353 # fall through to creation
354 } else {
355 nuke_str $pass;
356
357 Coro::Timer::sleep 1;
358
359 $ns->send_drawinfo (
360 "Wrong username or password. Please try again "
361 . "(check for Numlock and other semi-obvious error sources).",
362 cf::NDI_RED
363 );
364 next;
365 }
366 } else {
367 # unable to load the playerfile:
368 # check wether the player dir exists, which means the file is corrupted or
369 # something very similar.
370 if (!aio_stat cf::player::playerdir $user) {
371 $ns->send_drawinfo (
372 "Unable to retrieve this player. It might be a locked or broken account. "
373 . "If this is your account, ask a dungeon master for assistance. "
374 . "Otherwise choose a different login name.",
375 cf::NDI_RED
376 );
377 next;
378 }
379 }
380
381 # the rest of this function is character creation
382
383 # just to make sure nothing is left over
384 nuke_playerdir $user;
385
386 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
387
388 if ($pass2 ne $pass) {
389 nuke_str $pass;
390 nuke_str $pass2;
391 $ns->send_drawinfo (
392 "The passwords do not match, please try again.",
393 cf::NDI_RED
394 );
395 next;
396 }
397
398 nuke_str $pass2;
399
400 my $pl = cf::player::new $user;
401 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
402 nuke_str $pass;
403 $pl->connect ($ns);
404
405 my $ob = $pl->ob;
406
407 while () {
408 $ob->update_stats;
409 $pl->save_stats;
410
411 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
412 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
413
414 if ($res =~ /^[Nn]/) {
415 last;
416 } elsif ($res > 0 && $res <= 7) {
417 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
418
419 if ($swap > 0 && $swap <= 7) {
420 $ob->swap_stats ($res - 1, $swap - 1);
421 }
422 } else {
423 $ob->roll_stats;
424 }
425 }
426
427 $ob->set_animation (2);
428 $ob->add_statbonus;
429
430 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
431 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
432 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
433
434 $ns->state (cf::ST_CHANGE_CLASS);
435 delete $pl->{deny_save};#d# too early
436
437 last;
438 }
439 });
440 }
441
442 cf::register_command quit => sub {
443 my ($ob, $arg) = @_;
444
445 $ob->reply (undef,
446 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
447 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
448 cf::NDI_UNIQUE | cf::NDI_RED);
449 };
450
451 cf::register_command quit_character => sub {
452 my ($ob, $arg) = @_;
453
454 my $pl = $ob->contr;
455
456 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
457 if ($_[0] !~ /^[yY]/) {
458 $ob->reply (undef,
459 "Ok, not not quitting then.",
460 cf::NDI_UNIQUE | cf::NDI_RED);
461 } else {
462 $ob->reply (undef,
463 "Ok, quitting, hope to see you again.",
464 cf::NDI_UNIQUE | cf::NDI_RED);
465 $pl->ns->flush;
466 cf::async { $pl->quit_character };
467 }
468 });
469 };
470
471 cf::object->attach (
472 type => cf::SAVEBED,
473 on_apply => sub {
474 my ($bed, $ob) = @_;
475
476 return cf::override 0 unless $ob->type == cf::PLAYER;
477
478 my $pl = $ob->contr;
479
480 # update respawn position
481 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
482 cf::async { $pl->save };
483
484 $pl->killer ("left");
485 $ob->check_score;
486
487 $ob->reply (undef, "In the future, you will wake up here when you die.");
488
489 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
490 if ($_[0] !~ /^[yY]/) {
491 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
492 $pl->deactivate;
493 $pl->ns->destroy;
494 } else {
495 cf::async { $pl->save };
496 }
497 });
498 },
499 );
500
501 cf::player->attach (
502 on_login => sub {
503 my ($pl) = @_;
504 my $name = $pl->ob->name;
505
506 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
507 },
508 on_logout => sub {
509 my ($pl, $cleanly) = @_;
510 my $name = $pl->ob->name;
511
512 if ($cleanly) {
513 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
514 } else {
515 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
516 $pl->{unclean_save} = $cf::RUNTIME;
517 }
518 },
519 );
520
521 cf::client->attach (
522 on_addme => \&addme,
523 on_setup => \&setup,
524 );
525
526 #############################################################################
527
528 our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
529 our $SAVE_TIMEOUT = 20; # save players every n seconds
530
531 our $SCHEDULER = cf::async_ext {
532 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
533 while () {
534 $schedule_interval->next;
535
536 # this weird form of iteration over values is used because
537 # the hash changes underneath us frequently, and for
538 # keeps a direct reference to the value without (in 5.8 perls)
539 # keeping a reference, so this is prone to crashes or worse.
540 my @players = keys %cf::PLAYER;
541 for (@players) {
542 my $pl = $cf::PLAYER{$_}
543 or next;
544 $pl->valid or next;
545
546 eval {
547 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
548 cf::wait_for_tick_begin;
549 $pl->save;
550
551 unless ($pl->active) {
552 # check refcounts, this is tricky and needs to be adjusted to fit server internals
553 my $ob = $pl->ob;
554 Scalar::Util::weaken $pl;
555 Scalar::Util::weaken $ob;
556 my $a_ = $pl->refcnt;#d#
557 my $b_ = $ob->refcnt;#d#
558 my $pl_ref = $pl->refcnt_cnt;
559 my $ob_ref = $ob->refcnt_cnt;
560
561 ## pl_ref == one from object + one from cf::PLAYER
562 ## ob_ref == one from simply being an object
563 if ($pl_ref == 2 && $ob_ref == 1) {
564 warn "player-scheduler destroy ", $ob->name;#d#
565
566 # remove from sight and get fresh "copies"
567 $pl = delete $cf::PLAYER{$ob->name};
568 $ob = $pl->ob;
569
570 $ob->destroy;
571 $pl->destroy;
572 } else {
573 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
574 }
575 }
576 }
577 };
578 warn $@ if $@;
579 Coro::cede;
580 };
581 }
582 };
583
584 $SCHEDULER->prio (1);
585