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/cvs/deliantra/server/ext/login.ext
Revision: 1.71
Committed: Sun Sep 2 12:45:44 2007 UTC (16 years, 8 months ago) by root
Branch: MAIN
CVS Tags: rel-2_2
Changes since 1.70: +6 -2 lines
Log Message:
be less blocking when nuking players

File Contents

# User Rev Content
1 root 1.53 #! perl # mandatory
2 root 1.1
3     # login handling
4    
5     use Fcntl;
6     use Coro::AIO;
7 root 1.53
8 root 1.64 our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} || 3600;
9    
10 root 1.9 # paranoia function to overwrite a string-in-place
11     sub nuke_str {
12     substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13     }
14 root 1.1
15     sub query {
16     my ($ns, $flags, $text) = @_;
17    
18     my $current = $Coro::current;
19 root 1.38 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20 root 1.1 Coro::schedule while ref $current;
21    
22     $current
23     }
24    
25     sub can_cleanup {
26 root 1.19 my ($pl, $mtime) = @_;
27 root 1.1
28     my $age = time - $mtime;
29 root 1.19 my $level = $pl->ob->level;
30 root 1.1
31     ($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 root 1.11 return unless cf::player::find_active $user;
41 root 1.1
42     $ns->send_drawinfo (
43     "That player is already logged in on this server. "
44     . "If you want to create a new player, choose another name. "
45 root 1.59 . "If you have already a registered, make sure nobody "
46     . "else is using your account at this time. If you lost your connection "
47 root 1.1 . "then the server will likely timeout within a minute. If you still "
48     . "cannot log-in after a minute, you are still logged in. Make sure "
49     . "you do not have another client running. If you use windows, reboot, "
50     . "this will fix anything.",
51     cf::NDI_RED
52     );
53    
54     1
55     }
56    
57 root 1.48 sub enter_map {
58 root 1.11 my ($pl) = @_;
59    
60 root 1.62 my $ob = $pl->ob;
61    
62 root 1.48 my ($map, $x, $y)
63 root 1.62 = $ob->{_link_pos}
64     ? @{delete $ob->{_link_pos}}
65     : ($pl->maplevel, $ob->x, $ob->y);
66 root 1.48
67 root 1.62 $ob->enter_link;
68 root 1.48
69 root 1.26 if (my $time = delete $pl->{unclean_save}) {
70 root 1.48 if (my $m = cf::map::find $map) {
71 root 1.63 if ($time < $m->{instantiate_time}) {
72 root 1.48 # the map was reset in the meantime
73     my $age = $cf::RUNTIME - $time;
74 root 1.64
75     warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
76 root 1.48
77     # for now, just go back to savebed
78     ($map, $x, $y) = $pl->savebed;
79    
80 root 1.64 if ($age >= $MAX_DISCONNECT_TIME) {
81     $ob->message (
82     "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
83     . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
84     . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
85     . "H<You disconnected too long without having used a savebed.>",
86     cf::NDI_RED
87     );
88     # kill them.
89     # reminds me of the famous badness 10000 syndrome...
90     $ob->stats->hp (-10000); #] if they survive this they deserved to live
91 root 1.66 $pl->killer ("a cave-in");
92 root 1.64 } else {
93     $ob->message (
94     "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
95     . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
96     . "Better use a savebed next time, much worse things could have happened... "
97     . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
98     cf::NDI_RED
99     );
100     }
101 root 1.48 } else {
102 root 1.64 $ob->message (
103 root 1.48 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
104     . "as lots of things could happen when you leave by other means, such as cave-ins, "
105 root 1.64 . "or monsters suddenly snapping your body. Better use a savebed next time. "
106     . "H<Always apply a bed of reality to disconnect from the server.>",
107 root 1.48 cf::NDI_RED
108     );
109     }
110     }
111 root 1.11 }
112 root 1.48
113 root 1.62 $ob->goto ($map, $x, $y);
114 root 1.11 }
115    
116 root 1.1 # delete a player directory, be non-blocking AND synchronous...
117     # (thats hard, so we crap out and fork).
118     sub nuke_playerdir {
119     my ($user) = @_;
120    
121 root 1.71 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
122    
123     cf::fork_call {
124     rename "$PLAYERDIR/$user", $temp;
125     system "rm", "-rf", $temp;
126     };
127 root 1.1 }
128    
129 root 1.60 cf::client->attach (on_addme => sub {
130 root 1.1 my ($ns) = @_;
131    
132 root 1.60 if (!$ns->facecache)
133     {
134     $ns->send_drawinfo (<<EOF, cf::NDI_RED);
135 root 1.32
136    
137     ***
138     *** WARNING:
139     *** Your client does not support face/image caching,
140     *** or it has been disabled. Face caching is mandatory
141     *** so please enable it or use a newer client.
142     ***
143     *** Look at your client preferences:
144     ***
145     *** CFPlus: all known versions automatically enable the facecache.
146     *** cfclient: use the -cache commandline option.
147     *** cfclient: map will not redraw automatically (bug).
148     *** gcfclient: use -cache commandline option, or enable
149 root 1.70 *** gcfclient: Client => Configure => Map & Image => Cache Images.
150 root 1.32 *** jcrossclient: your client is broken, use CFPlus or gcfclient.
151     ***
152     ***
153     EOF
154     if ($ns->version =~ /jcrossclient/) {
155     # let them, for now
156     } else {
157     $ns->flush;
158     return $ns->destroy;
159     }
160    
161     # $ns->facecache = true;
162 root 1.33 }
163    
164     if ($ns->mapmode < cf::Map1aCmd) {
165     $ns->send_drawinfo (<<EOF, cf::NDI_RED);
166    
167    
168     ***
169     *** WARNING:
170     *** Your client is too old. Please upgrade to a newer version.
171     EOF
172    
173     $ns->flush;
174     return $ns->destroy;
175     }
176 root 1.32
177     $ns->pl and return $ns->destroy;
178 root 1.1
179 root 1.10 $ns->async (sub {
180 root 1.1 my ($user, $pass);
181    
182     $ns->send_packet ("addme_success");
183    
184     for (;;) {
185     $ns->send_drawinfo (
186     "Please enter your username now. If you are a new user, "
187     . "make one up that describes your character best. "
188     . "Only letters and digits are allowed, though.",
189     cf::NDI_BLUE
190     );
191    
192     # read username
193     while () {
194     $user = query $ns, 0, "What is your name?\n:";
195 root 1.3
196     if ($cf::LOGIN_LOCK{$user}) {
197     $ns->send_drawinfo (
198     "That username is currently used in another login session. "
199     . "Chose another, or wait till the other session has ended.",
200     cf::NDI_RED
201     );
202 root 1.30 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
203 root 1.3 last;
204     } else {
205     $ns->send_drawinfo (
206     "Your username contains illegal characters "
207     . "(only a-z, A-Z and 0-9 are allowed), "
208     . "or is not between 3 and 18 characters in length.",
209     cf::NDI_RED
210     );
211     }
212 root 1.61 Coro::Timer::sleep 0.4;
213 root 1.1 }
214    
215     check_playing $ns, $user and next;
216    
217     $ns->send_drawinfo (
218     "Welcome $user, please enter your password now. "
219     . "New users should now choose a password. "
220     . "Anything your client lets you enter is fine.",
221     cf::NDI_BLUE
222     );
223    
224     # read password
225     while () {
226     $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
227     last if $pass =~ /.../;
228     $ns->send_drawinfo (
229     "Try to use at least three characters as your password please, "
230     . "that cannot be too much to ask for :)",
231     cf::NDI_RED
232     );
233 root 1.61 Coro::Timer::sleep 0.4;
234 root 1.1 }
235    
236 root 1.3 # lock this username for the remainder of this login session
237     if ($cf::LOGIN_LOCK{$user}) {
238     $ns->send_drawinfo (
239     "That username is currently used in another login session. "
240     . "Chose another, or wait till the other session has ended.",
241     cf::NDI_RED
242     );
243     next;
244     }
245     local $cf::LOGIN_LOCK{$user} = 1;
246    
247     check_playing $ns, $user and next;
248    
249 root 1.1 # try to read the user file and check the password
250 root 1.19 if (my $pl = cf::player::find $user) {
251     aio_stat $pl->path and next;
252     my $mtime = (stat _)[9];
253     my $hash = $pl->password;
254 root 1.1
255 root 1.19 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
256 root 1.9 nuke_str $pass;
257 root 1.1 # password matches, wonderful
258 root 1.11 my $pl = cf::player::find $user or next;
259 root 1.1 $pl->connect ($ns);
260 root 1.48 enter_map $pl;
261 root 1.1 last;
262 root 1.19 } elsif (can_cleanup $pl, $mtime) {
263 root 1.1 Coro::Timer::sleep 1;
264    
265     $ns->send_drawinfo (
266 root 1.3 "Player exists, but password does not match. If this is your account, "
267     . "please try again. If not, you can now decide to take over this account "
268 root 1.1 . "because it has not been in-use for some time.",
269     cf::NDI_RED
270     );
271    
272 root 1.9 #TODO: nuke_str
273 root 1.1 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
274     or next;
275    
276     # check if the file hasn't changed
277 root 1.11 aio_stat cf::player::path $user and next;
278 root 1.1 $mtime == (stat _)[9] or next;
279    
280 root 1.19 $pl->quit_character;
281 root 1.1
282     # fall through to creation
283     } else {
284 root 1.9 nuke_str $pass;
285    
286 root 1.1 Coro::Timer::sleep 1;
287    
288     $ns->send_drawinfo (
289     "Wrong username or password. Please try again "
290     . "(check for Numlock and other semi-obvious error sources).",
291     cf::NDI_RED
292     );
293     next;
294     }
295 root 1.37 } else {
296     # unable to load the playerfile:
297     # check wether the player dir exists, which means the file is corrupted or
298     # something very similar.
299     if (!aio_stat cf::player::playerdir $user) {
300     $ns->send_drawinfo (
301     "Unable to retrieve this player. It might be a locked or broken account. "
302     . "If this is your account, ask a dungeon master for assistance. "
303     . "Otherwise choose a different login name.",
304     cf::NDI_RED
305     );
306     next;
307     }
308 root 1.1 }
309    
310     # the rest of this function is character creation
311    
312 root 1.3 # just to make sure nothing is left over
313 root 1.1 nuke_playerdir $user;
314    
315 root 1.3 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
316    
317     if ($pass2 ne $pass) {
318 root 1.9 nuke_str $pass;
319     nuke_str $pass2;
320 root 1.3 $ns->send_drawinfo (
321     "The passwords do not match, please try again.",
322     cf::NDI_RED
323     );
324 root 1.61 Coro::Timer::sleep 0.5;
325 root 1.3 next;
326     }
327    
328 root 1.9 nuke_str $pass2;
329    
330 root 1.11 my $pl = cf::player::new $user;
331 root 1.1 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
332 root 1.9 nuke_str $pass;
333 root 1.1 $pl->connect ($ns);
334 root 1.48 my $ob = $pl->ob;
335 root 1.3
336 root 1.48 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
337 root 1.1
338     while () {
339     $ob->update_stats;
340     $pl->save_stats;
341    
342     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
343     "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
344    
345     if ($res =~ /^[Nn]/) {
346     last;
347     } elsif ($res > 0 && $res <= 7) {
348     my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
349    
350     if ($swap > 0 && $swap <= 7) {
351     $ob->swap_stats ($res - 1, $swap - 1);
352     }
353     } else {
354     $ob->roll_stats;
355     }
356 root 1.61
357     Coro::Timer::sleep 0.2;
358 root 1.1 }
359    
360     $ob->set_animation (2);
361     $ob->add_statbonus;
362    
363 root 1.45 while () {
364 root 1.67 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
365 root 1.45 my $msg = $ob->msg;
366 root 1.46 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
367 root 1.67 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
368 root 1.45
369     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
370     "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
371    
372     last if $res =~ /[dD]/;
373    
374     $pl->chargen_race_next;
375 root 1.61 Coro::Timer::sleep 0.2;
376 root 1.45 }
377    
378     $pl->chargen_race_done;
379 root 1.1
380 root 1.55 while () {
381     my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
382     "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
383    
384     if ($res =~ /^[fF]/) {
385     $pl->gender (1);
386     last;
387     } elsif ($res =~ /^[mM]/) {
388     $pl->gender (0);
389     last;
390     }
391 root 1.61 Coro::Timer::sleep 0.2;
392 root 1.55 }
393    
394     $ob->reply (undef, "Welcome to Crossfire!");
395    
396 root 1.45 delete $pl->{deny_save};
397 root 1.1
398     last;
399     }
400     });
401 root 1.60 });
402 root 1.1
403 root 1.12 cf::register_command quit => sub {
404     my ($ob, $arg) = @_;
405    
406     $ob->reply (undef,
407     "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
408     . "If you are sure you want to do this, then use the quit_character command instead of quit.",
409     cf::NDI_UNIQUE | cf::NDI_RED);
410     };
411    
412     cf::register_command quit_character => sub {
413     my ($ob, $arg) = @_;
414    
415     my $pl = $ob->contr;
416    
417     $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
418     if ($_[0] !~ /^[yY]/) {
419     $ob->reply (undef,
420     "Ok, not not quitting then.",
421     cf::NDI_UNIQUE | cf::NDI_RED);
422     } else {
423     $ob->reply (undef,
424     "Ok, quitting, hope to see you again.",
425     cf::NDI_UNIQUE | cf::NDI_RED);
426     $pl->ns->flush;
427 root 1.31 cf::async { $pl->quit_character };
428 root 1.12 }
429     });
430     };
431 root 1.11
432 root 1.1 cf::object->attach (
433     type => cf::SAVEBED,
434     on_apply => sub {
435     my ($bed, $ob) = @_;
436    
437     return cf::override 0 unless $ob->type == cf::PLAYER;
438    
439 root 1.15 my $pl = $ob->contr;
440 root 1.11
441 root 1.1 # update respawn position
442 root 1.11 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
443 root 1.22 cf::async { $pl->save };
444 root 1.1
445 root 1.11 $pl->killer ("left");
446 root 1.5 $ob->check_score;
447 root 1.1
448     $ob->reply (undef, "In the future, you will wake up here when you die.");
449    
450 root 1.11 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
451 root 1.6 if ($_[0] !~ /^[yY]/) {
452 root 1.11 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
453     $pl->deactivate;
454     $pl->ns->destroy;
455 root 1.7 } else {
456 root 1.13 cf::async { $pl->save };
457 root 1.6 }
458 root 1.1 });
459     },
460     );
461    
462 root 1.8 cf::player->attach (
463     on_login => sub {
464     my ($pl) = @_;
465     my $name = $pl->ob->name;
466    
467     $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
468     },
469     on_logout => sub {
470     my ($pl, $cleanly) = @_;
471     my $name = $pl->ob->name;
472    
473     if ($cleanly) {
474     $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
475     } else {
476     $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
477 root 1.26 $pl->{unclean_save} = $cf::RUNTIME;
478 root 1.8 }
479     },
480     );
481    
482 root 1.11 #############################################################################
483    
484 root 1.69 our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
485     our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
486 root 1.11
487     our $SCHEDULER = cf::async_ext {
488 root 1.68 my $schedule_interval = Coro::Event->timer (after => 1);
489 root 1.11 while () {
490 root 1.68 $schedule_interval->interval ($SCHEDULE_INTERVAL);
491 root 1.27 $schedule_interval->next;
492 root 1.11
493     # this weird form of iteration over values is used because
494     # the hash changes underneath us frequently, and for
495     # keeps a direct reference to the value without (in 5.8 perls)
496     # keeping a reference, so this is prone to crashes or worse.
497     my @players = keys %cf::PLAYER;
498     for (@players) {
499     my $pl = $cf::PLAYER{$_}
500     or next;
501     $pl->valid or next;
502    
503     eval {
504     if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
505     $pl->save;
506 root 1.17
507 root 1.49 unless ($pl->active || $pl->ns) {
508 root 1.21 # check refcounts, this is tricky and needs to be adjusted to fit server internals
509     my $ob = $pl->ob;
510 root 1.50
511 root 1.21 my $pl_ref = $pl->refcnt_cnt;
512     my $ob_ref = $ob->refcnt_cnt;
513    
514 root 1.51 ## pl_ref == $pl + ob->contr + %cf::PLAYER
515     ## ob_ref == $ob + pl->observe + simply being an object
516 root 1.50 if ($pl_ref == 3 && $ob_ref == 3) {
517 root 1.21 warn "player-scheduler destroy ", $ob->name;#d#
518    
519     # remove from sight and get fresh "copies"
520     $pl = delete $cf::PLAYER{$ob->name};
521     $ob = $pl->ob;
522    
523 root 1.54 $pl->destroy; # destroys $ob
524 root 1.21 } else {
525 root 1.50 my $a_ = $pl->refcnt;#d#
526     my $b_ = $ob->refcnt;#d#
527    
528 root 1.52 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
529 root 1.21 }
530 root 1.17 }
531     }
532 root 1.11 };
533     warn $@ if $@;
534     Coro::cede;
535     };
536     }
537     };
538    
539     $SCHEDULER->prio (1);
540