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/cvs/deliantra/server/ext/login.ext
Revision: 1.56
Committed: Sun Jun 24 04:09:29 2007 UTC (16 years, 11 months ago) by root
Branch: MAIN
Changes since 1.55: +2 -1 lines
Log Message:
first rough cut of msg rewriting, introducing cfpod, a haxored pod variant for crossfire messgaes. where will it end?

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 our %EXT_SETUP;
10
11 # paranoia function to overwrite a string-in-place
12 sub nuke_str {
13 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
14 }
15
16 sub query {
17 my ($ns, $flags, $text) = @_;
18
19 my $current = $Coro::current;
20 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
21 Coro::schedule while ref $current;
22
23 $current
24 }
25
26 sub can_cleanup {
27 my ($pl, $mtime) = @_;
28
29 my $age = time - $mtime;
30 my $level = $pl->ob->level;
31
32 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
33 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
34 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
35 || $age > 700 * 86400 # 2 years for everybody else
36 }
37
38 sub check_playing {
39 my ($ns, $user) = @_;
40
41 return unless cf::player::find_active $user;
42
43 $ns->send_drawinfo (
44 "That player is already logged in on this server. "
45 . "If you want to create a new player, choose another name. "
46 . "If you are already a registered player, make sure nobody "
47 . "else is using your account at this time. If you lost your conenction "
48 . "then the server will likely timeout within a minute. If you still "
49 . "cannot log-in after a minute, you are still logged in. Make sure "
50 . "you do not have another client running. If you use windows, reboot, "
51 . "this will fix anything.",
52 cf::NDI_RED
53 );
54
55 1
56 }
57
58 sub enter_map {
59 my ($pl) = @_;
60
61 my ($map, $x, $y)
62 = $pl->ob->{_link_pos}
63 ? @{delete $pl->ob->{_link_pos}}
64 : ($pl->maplevel, $pl->ob->x, $pl->ob->y);
65
66 $pl->ob->enter_link;
67
68 if (my $time = delete $pl->{unclean_save}) {
69 if (my $m = cf::map::find $map) {
70 if ($time < $m->{instantiate_time}) {
71 # the map was reset in the meantime
72 my $age = $cf::RUNTIME - $time;
73 warn $pl->ob->name, " map reset after logout, logout age $age\n";#d#
74
75 # for now, just go back to savebed
76 ($map, $x, $y) = $pl->savebed;
77
78 $pl->ns->send_drawinfo (
79 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
80 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
81 . "Better use a savebed next time, much worse things could have happened...",
82 cf::NDI_RED
83 );
84 } else {
85 $pl->ns->send_drawinfo (
86 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
87 . "as lots of things could happen when you leave by other means, such as cave-ins, "
88 . "or monsters suddenly snapping your body. Better use a savebed next time.",
89 cf::NDI_RED
90 );
91 }
92 }
93 }
94
95 $pl->ob->goto ($map, $x, $y);
96 }
97
98 # delete a player directory, be non-blocking AND synchronous...
99 # (thats hard, so we crap out and fork).
100 sub nuke_playerdir {
101 my ($user) = @_;
102
103 aio_stat "$PLAYERDIR/$user";
104 system "cd \Q$PLAYERDIR\E "
105 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
106 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
107 }
108
109 sub send_capabilities {
110 my ($ns) = @_;
111
112 return unless $ns->extcmd;
113
114 $ns->ext_event (capabilities =>
115 # id, name, flags (1 == 2d), edge length
116 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
117 );
118 }
119
120 sub setup {
121 my ($ns, $args) = @_;
122
123 # run through the cmds of setup
124 # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
125 #
126 # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
127 # The client then must sort this out
128
129 my %setup = split / +/, $args;
130 while (my ($k, $v) = each %setup) {
131 if ($k eq "sound") {
132 $ns->sound ($v);
133
134 } elsif ($k eq "exp64") {
135 $setup{$k} = 1;
136
137 } elsif ($k eq "spellmon") {
138 $ns->monitor_spells ($v);
139
140 } elsif ($k eq "darkness") {
141 $ns->darkness ($v);
142
143 } elsif ($k eq "map1cmd") {
144 $ns->mapmode (cf::Map1Cmd) if $v > 0;
145
146 } elsif ($k eq "map1acmd") {
147 $ns->mapmode (cf::Map1aCmd) if $v > 0;
148
149 } elsif ($k eq "map2cmd") {
150 # gcfclient bug, map1acmd is sent too late
151 $ns->mapmode (cf::Map1aCmd);
152 $setup{$k} = "FALSE";
153
154 } elsif ($k eq "newmapcmd") {
155 $ns->newmapcmd ($v);
156
157 } elsif ($k eq "mapinfocmd") {
158 $ns->mapinfocmd ($v);
159
160 } elsif ($k eq "extcmd") {
161 $ns->extcmd ($v > 0);
162 send_capabilities $ns;
163
164 } elsif ($k eq "extmap") {
165 $ns->extmap ($v);
166
167 } elsif ($k eq "facecache") {
168 if (!$v) {
169 $v = 1;
170 $setup{$k} = $v;
171 $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
172 }
173
174 $ns->facecache ($v);
175
176 } elsif ($k eq "faceset") {
177 $ns->faceset (0);
178 $setup{$k} = 0;
179 # $ns->image2 (1)
180
181 } elsif ($k eq "tileset") {
182 $setup{$k} = $ns->faceset ($v & 1);
183
184 } elsif ($k eq "itemcmd") {
185 # Version of the item protocol command to use. Currently,
186 # only supported versions are 1 and 2. Using a numeric
187 # value will make it very easy to extend this in the future.
188 $ns->itemcmd ($v) if $v >= 1 && $v <= 2;
189
190 $setup{$k} = $ns->itemcmd;
191
192 } elsif ($k eq "mapsize") {
193 my ($x, $y) = split /x/, $v;
194
195 $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
196 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
197
198 $setup{$k} = "${x}x${y}";
199
200 } elsif ($k eq "extendedMapInfos") {
201 $ns->ext_mapinfos ($v);
202
203 } elsif ($k eq "extendedTextInfos") {
204 $ns->has_readable_type ($v);
205
206 } elsif ($k eq "smoothing") { # cfplus-style smoothing
207 $ns->smoothing ($v);
208
209 } elsif ($k eq "fxix") {
210 $ns->fxix ($v);
211
212 } elsif ($k eq "msg") {
213 $ns->can_msg ($v >= 2);
214 $setup{$k} = $ns->can_msg;
215
216 } elsif ($k eq "excmd") {
217 # we support it
218
219 } else {
220 # other commands:
221 # sexp: no idea, probably for oudated servers
222 # tick: more stupidity, server should send a tick per tick
223
224 $setup{$k} = "FALSE";
225 }
226 }
227
228 $ns->send_packet (join " ", setup => %setup);
229
230 cf::datalog setup =>
231 request => $args,
232 reply => \%setup,
233 client => $ns->version,
234 ;
235 }
236
237 sub addme {
238 my ($ns) = @_;
239
240 if (!$ns->facecache)
241 {
242 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
243
244
245 ***
246 *** WARNING:
247 *** Your client does not support face/image caching,
248 *** or it has been disabled. Face caching is mandatory
249 *** so please enable it or use a newer client.
250 ***
251 *** Look at your client preferences:
252 ***
253 *** CFPlus: all known versions automatically enable the facecache.
254 *** cfclient: use the -cache commandline option.
255 *** cfclient: map will not redraw automatically (bug).
256 *** gcfclient: use -cache commandline option, or enable
257 *** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
258 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
259 ***
260 ***
261 EOF
262 if ($ns->version =~ /jcrossclient/) {
263 # let them, for now
264 } else {
265 $ns->flush;
266 return $ns->destroy;
267 }
268
269 # $ns->facecache = true;
270 }
271
272 if ($ns->mapmode < cf::Map1aCmd) {
273 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
274
275
276 ***
277 *** WARNING:
278 *** Your client is too old. Please upgrade to a newer version.
279 EOF
280
281 $ns->flush;
282 return $ns->destroy;
283 }
284
285 $ns->pl and return $ns->destroy;
286
287 $ns->async (sub {
288 my ($user, $pass);
289
290 $ns->send_packet ("addme_success");
291
292 for (;;) {
293 $ns->send_drawinfo (
294 "Please enter your username now. If you are a new user, "
295 . "make one up that describes your character best. "
296 . "Only letters and digits are allowed, though.",
297 cf::NDI_BLUE
298 );
299
300 # read username
301 while () {
302 $user = query $ns, 0, "What is your name?\n:";
303
304 if ($cf::LOGIN_LOCK{$user}) {
305 $ns->send_drawinfo (
306 "That username is currently used in another login session. "
307 . "Chose another, or wait till the other session has ended.",
308 cf::NDI_RED
309 );
310 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
311 last;
312 } else {
313 $ns->send_drawinfo (
314 "Your username contains illegal characters "
315 . "(only a-z, A-Z and 0-9 are allowed), "
316 . "or is not between 3 and 18 characters in length.",
317 cf::NDI_RED
318 );
319 }
320 }
321
322 check_playing $ns, $user and next;
323
324 $ns->send_drawinfo (
325 "Welcome $user, please enter your password now. "
326 . "New users should now choose a password. "
327 . "Anything your client lets you enter is fine.",
328 cf::NDI_BLUE
329 );
330
331 # read password
332 while () {
333 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
334 last if $pass =~ /.../;
335 $ns->send_drawinfo (
336 "Try to use at least three characters as your password please, "
337 . "that cannot be too much to ask for :)",
338 cf::NDI_RED
339 );
340 }
341
342 # lock this username for the remainder of this login session
343 if ($cf::LOGIN_LOCK{$user}) {
344 $ns->send_drawinfo (
345 "That username is currently used in another login session. "
346 . "Chose another, or wait till the other session has ended.",
347 cf::NDI_RED
348 );
349 next;
350 }
351 local $cf::LOGIN_LOCK{$user} = 1;
352
353 check_playing $ns, $user and next;
354
355 # try to read the user file and check the password
356 if (my $pl = cf::player::find $user) {
357 aio_stat $pl->path and next;
358 my $mtime = (stat _)[9];
359 my $hash = $pl->password;
360
361 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
362 nuke_str $pass;
363 # password matches, wonderful
364 my $pl = cf::player::find $user or next;
365 $pl->connect ($ns);
366 enter_map $pl;
367 last;
368 } elsif (can_cleanup $pl, $mtime) {
369 Coro::Timer::sleep 1;
370
371 $ns->send_drawinfo (
372 "Player exists, but password does not match. If this is your account, "
373 . "please try again. If not, you can now decide to take over this account "
374 . "because it has not been in-use for some time.",
375 cf::NDI_RED
376 );
377
378 #TODO: nuke_str
379 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
380 or next;
381
382 # check if the file hasn't changed
383 aio_stat cf::player::path $user and next;
384 $mtime == (stat _)[9] or next;
385
386 $pl->quit_character;
387
388 # fall through to creation
389 } else {
390 nuke_str $pass;
391
392 Coro::Timer::sleep 1;
393
394 $ns->send_drawinfo (
395 "Wrong username or password. Please try again "
396 . "(check for Numlock and other semi-obvious error sources).",
397 cf::NDI_RED
398 );
399 next;
400 }
401 } else {
402 # unable to load the playerfile:
403 # check wether the player dir exists, which means the file is corrupted or
404 # something very similar.
405 if (!aio_stat cf::player::playerdir $user) {
406 $ns->send_drawinfo (
407 "Unable to retrieve this player. It might be a locked or broken account. "
408 . "If this is your account, ask a dungeon master for assistance. "
409 . "Otherwise choose a different login name.",
410 cf::NDI_RED
411 );
412 next;
413 }
414 }
415
416 # the rest of this function is character creation
417
418 # just to make sure nothing is left over
419 nuke_playerdir $user;
420
421 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
422
423 if ($pass2 ne $pass) {
424 nuke_str $pass;
425 nuke_str $pass2;
426 $ns->send_drawinfo (
427 "The passwords do not match, please try again.",
428 cf::NDI_RED
429 );
430 next;
431 }
432
433 nuke_str $pass2;
434
435 my $pl = cf::player::new $user;
436 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
437 nuke_str $pass;
438 $pl->connect ($ns);
439 my $ob = $pl->ob;
440
441 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
442
443 while () {
444 $ob->update_stats;
445 $pl->save_stats;
446
447 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
448 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
449
450 if ($res =~ /^[Nn]/) {
451 last;
452 } elsif ($res > 0 && $res <= 7) {
453 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
454
455 if ($swap > 0 && $swap <= 7) {
456 $ob->swap_stats ($res - 1, $swap - 1);
457 }
458 } else {
459 $ob->roll_stats;
460 }
461 }
462
463 $ob->set_animation (2);
464 $ob->add_statbonus;
465
466 while () {
467 $ns->send_msg (-1, "chargen-race-title", ucfirst $pl->title);
468 my $msg = $ob->msg;
469 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
470 $ns->send_msg (cf::NDI_BLUE, "chargen-race-description", $msg);
471
472 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
473 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
474
475 last if $res =~ /[dD]/;
476
477 $pl->chargen_race_next;
478 }
479
480 $pl->chargen_race_done;
481
482 while () {
483 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
484 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
485
486 if ($res =~ /^[fF]/) {
487 $pl->gender (1);
488 last;
489 } elsif ($res =~ /^[mM]/) {
490 $pl->gender (0);
491 last;
492 }
493 }
494
495 $ob->reply (undef, "Welcome to Crossfire!");
496
497 delete $pl->{deny_save};
498
499 last;
500 }
501 });
502 }
503
504 cf::register_command quit => sub {
505 my ($ob, $arg) = @_;
506
507 $ob->reply (undef,
508 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
509 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
510 cf::NDI_UNIQUE | cf::NDI_RED);
511 };
512
513 cf::register_command quit_character => sub {
514 my ($ob, $arg) = @_;
515
516 my $pl = $ob->contr;
517
518 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
519 if ($_[0] !~ /^[yY]/) {
520 $ob->reply (undef,
521 "Ok, not not quitting then.",
522 cf::NDI_UNIQUE | cf::NDI_RED);
523 } else {
524 $ob->reply (undef,
525 "Ok, quitting, hope to see you again.",
526 cf::NDI_UNIQUE | cf::NDI_RED);
527 $pl->ns->flush;
528 cf::async { $pl->quit_character };
529 }
530 });
531 };
532
533 cf::object->attach (
534 type => cf::SAVEBED,
535 on_apply => sub {
536 my ($bed, $ob) = @_;
537
538 return cf::override 0 unless $ob->type == cf::PLAYER;
539
540 my $pl = $ob->contr;
541
542 # update respawn position
543 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
544 cf::async { $pl->save };
545
546 $pl->killer ("left");
547 $ob->check_score;
548
549 $ob->reply (undef, "In the future, you will wake up here when you die.");
550
551 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
552 if ($_[0] !~ /^[yY]/) {
553 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
554 $pl->deactivate;
555 $pl->ns->destroy;
556 } else {
557 cf::async { $pl->save };
558 }
559 });
560 },
561 );
562
563 cf::player->attach (
564 on_login => sub {
565 my ($pl) = @_;
566 my $name = $pl->ob->name;
567
568 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
569 },
570 on_logout => sub {
571 my ($pl, $cleanly) = @_;
572 my $name = $pl->ob->name;
573
574 if ($cleanly) {
575 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
576 } else {
577 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
578 $pl->{unclean_save} = $cf::RUNTIME;
579 }
580 },
581 );
582
583 cf::client->attach (
584 on_addme => \&addme,
585 on_setup => \&setup,
586 );
587
588 #############################################################################
589
590 our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
591 our $SAVE_TIMEOUT = 20; # save players every n seconds
592
593 our $SCHEDULER = cf::async_ext {
594 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
595 while () {
596 $schedule_interval->next;
597
598 # this weird form of iteration over values is used because
599 # the hash changes underneath us frequently, and for
600 # keeps a direct reference to the value without (in 5.8 perls)
601 # keeping a reference, so this is prone to crashes or worse.
602 my @players = keys %cf::PLAYER;
603 for (@players) {
604 my $pl = $cf::PLAYER{$_}
605 or next;
606 $pl->valid or next;
607
608 eval {
609 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
610 cf::wait_for_tick_begin;
611 $pl->save;
612
613 unless ($pl->active || $pl->ns) {
614 # check refcounts, this is tricky and needs to be adjusted to fit server internals
615 my $ob = $pl->ob;
616
617 my $pl_ref = $pl->refcnt_cnt;
618 my $ob_ref = $ob->refcnt_cnt;
619
620 ## pl_ref == $pl + ob->contr + %cf::PLAYER
621 ## ob_ref == $ob + pl->observe + simply being an object
622 if ($pl_ref == 3 && $ob_ref == 3) {
623 warn "player-scheduler destroy ", $ob->name;#d#
624
625 # remove from sight and get fresh "copies"
626 $pl = delete $cf::PLAYER{$ob->name};
627 $ob = $pl->ob;
628
629 $pl->destroy; # destroys $ob
630 } else {
631 my $a_ = $pl->refcnt;#d#
632 my $b_ = $ob->refcnt;#d#
633
634 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
635 }
636 }
637 }
638 };
639 warn $@ if $@;
640 Coro::cede;
641 };
642 }
643 };
644
645 $SCHEDULER->prio (1);
646