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/cvs/deliantra/server/ext/login.ext
Revision: 1.33
Committed: Mon Apr 2 18:14:24 2007 UTC (17 years, 1 month ago) by root
Branch: MAIN
Changes since 1.32: +109 -91 lines
Log Message:
fixed some minor incompatibilities

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