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/cvs/deliantra/server/ext/login.ext
Revision: 1.60
Committed: Thu Jul 5 20:52:22 2007 UTC (16 years, 10 months ago) by root
Branch: MAIN
Changes since 1.59: +5 -148 lines
Log Message:
unbundled setup command into its own extension

File Contents

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