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/cvs/deliantra/server/ext/login.ext
Revision: 1.35
Committed: Wed Apr 4 02:07:19 2007 UTC (17 years, 1 month ago) by root
Branch: MAIN
Changes since 1.34: +15 -1 lines
Log Message:
implement better negotiation capabilities, implement tileset selection

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