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Comparing deliantra/server/ext/login.ext (file contents):
Revision 1.1 by root, Fri Dec 22 16:34:00 2006 UTC vs.
Revision 1.42 by root, Wed Apr 18 17:32:06 2007 UTC

1#! perl 1#! perl # MANDATORY
2 2
3# login handling 3# login handling
4 4
5use Fcntl; 5use Fcntl;
6use Coro::AIO; 6use Coro::AIO;
7use List::Util qw(min max);
7 8
8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; 9# paranoia function to overwrite a string-in-place
9 10sub nuke_str {
10# testbed for coroutines in crossfire : 11 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
12}
11 13
12sub query { 14sub query {
13 my ($ns, $flags, $text) = @_; 15 my ($ns, $flags, $text) = @_;
14 16
15 my $current = $Coro::current; 17 my $current = $Coro::current;
16 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); 18 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
17 Coro::schedule while ref $current; 19 Coro::schedule while ref $current;
18 20
19 $current 21 $current
20} 22}
21 23
22sub can_cleanup { 24sub can_cleanup {
23 my ($playerfile, $mtime) = @_; 25 my ($pl, $mtime) = @_;
24 26
25 my $age = time - $mtime; 27 my $age = time - $mtime;
26 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; 28 my $level = $pl->ob->level;
27 29
28 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 30 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
29 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 31 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
30 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 32 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
31 || $age > 700 * 86400 # 2 years for everybody else 33 || $age > 700 * 86400 # 2 years for everybody else
32} 34}
33 35
34sub check_playing { 36sub check_playing {
35 my ($ns, $user) = @_; 37 my ($ns, $user) = @_;
36 38
37 return unless cf::player::find $user; 39 return unless cf::player::find_active $user;
38 40
39 $ns->send_drawinfo ( 41 $ns->send_drawinfo (
40 "That player is already logged in on this server. " 42 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. " 43 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody " 44 . "If you are already a registered player, make sure nobody "
49 ); 51 );
50 52
51 1 53 1
52} 54}
53 55
56sub check_clean_save {
57 my ($pl) = @_;
58
59 if (my $time = delete $pl->{unclean_save}) {
60 $pl->ns->send_drawinfo (
61 "You didn't use a savebed to leave this realm. This is very dangerous, "
62 . "as lots of things could happen when you leave by other means, such as cave-ins, "
63 . "or monsters suddenly snapping your body. Better use a savebed next time.",
64 cf::NDI_RED
65 );
66 #d#TODO
67 }
68}
69
54# delete a player directory, be non-blocking AND synchronous... 70# delete a player directory, be non-blocking AND synchronous...
55# (thats hard, so we crap out and fork). 71# (thats hard, so we crap out and fork).
56sub nuke_playerdir { 72sub nuke_playerdir {
57 my ($user) = @_; 73 my ($user) = @_;
58 74
60 system "cd \Q$PLAYERDIR\E " 76 system "cd \Q$PLAYERDIR\E "
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 77 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 78 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
63} 79}
64 80
65sub on_addme { 81sub send_capabilities {
66 my ($ns) = @_; 82 my ($ns) = @_;
67 83
68 $ns->destroy if $ns->pl; 84 return unless $ns->extcmd;
69 85
86 $ns->ext_event (capabilities =>
87 # id, name, flags (1 == 2d), edge length
88 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
89 );
90}
91
92sub setup {
93 my ($ns, $args) = @_;
94
95 # run through the cmds of setup
96 # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
97 #
98 # we send the status of the cmd back, or a FALSE is the cmd is the server unknown
99 # The client then must sort this out
100
101 my %setup = split / +/, $args;
102 while (my ($k, $v) = each %setup) {
103 if ($k eq "sound") {
104 $ns->sound ($v);
105
106 } elsif ($k eq "exp64") {
107 $setup{$k} = 1;
108
109 } elsif ($k eq "spellmon") {
110 $ns->monitor_spells ($v);
111
112 } elsif ($k eq "darkness") {
113 $ns->darkness ($v);
114
115 } elsif ($k eq "map1cmd") {
116 $ns->mapmode (cf::Map1Cmd) if $v > 0;
117
118 } elsif ($k eq "map1acmd") {
119 $ns->mapmode (cf::Map1aCmd) if $v > 0;
120
121 } elsif ($k eq "map2cmd") {
122 # gcfclient bug, map1acmd is sent too late
123 $ns->mapmode (cf::Map1aCmd);
124 $setup{$k} = "FALSE";
125
126 } elsif ($k eq "newmapcmd") {
127 $ns->newmapcmd ($v);
128
129 } elsif ($k eq "mapinfocmd") {
130 $ns->mapinfocmd ($v);
131
132 } elsif ($k eq "extcmd") {
133 $ns->extcmd ($v > 0);
134 send_capabilities $ns;
135
136 } elsif ($k eq "extmap") {
137 $ns->extmap ($v);
138
139 } elsif ($k eq "facecache") {
140 if (!$v) {
141 $v = 1;
142 $setup{$k} = $v;
143 $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
144 }
145
146 $ns->facecache ($v);
147
148 } elsif ($k eq "faceset") {
149 $ns->faceset (0);
150 $setup{$k} = 0;
151 # $ns->image2 (1)
152
153 } elsif ($k eq "tileset") {
154 $setup{$k} = $ns->faceset ($v & 1);
155
156 } elsif ($k eq "itemcmd") {
157 # Version of the item protocol command to use. Currently,
158 # only supported versions are 1 and 2. Using a numeric
159 # value will make it very easy to extend this in the future.
160 $ns->itemcmd ($v) if $v >= 1 && $v <= 2;
161
162 $setup{$k} = $ns->itemcmd;
163
164 } elsif ($k eq "mapsize") {
165 my ($x, $y) = split /x/, $v;
166
167 $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
168 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
169
170 $setup{$k} = "${x}x${y}";
171
172 } elsif ($k eq "extendedMapInfos") {
173 $ns->ext_mapinfos ($v);
174
175 } elsif ($k eq "extendedTextInfos") {
176 $ns->has_readable_type ($v);
177
178 } elsif ($k eq "smoothing") { # cfplus-style smoothing
179 $ns->smoothing ($v);
180
181 } elsif ($k eq "fxix") {
182 $ns->fxix ($v);
183
184 } else {
185 # other commands:
186 # sexp: no idea, probably for oudated servers
187 # tick: more stupidity, server should sned a tick per tick
188
189 $setup{$k} = "FALSE";
190 }
191 }
192
193 $ns->send_packet (join " ", setup => %setup);
194
195 cf::datalog setup =>
196 request => $args,
197 reply => \%setup,
198 client => $ns->version,
199 ;
200}
201
202sub addme {
203 my ($ns) = @_;
204
205 if (!$ns->facecache)
206 {
207 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
208
209
210***
211*** WARNING:
212*** Your client does not support face/image caching,
213*** or it has been disabled. Face caching is mandatory
214*** so please enable it or use a newer client.
215***
216*** Look at your client preferences:
217***
218*** CFPlus: all known versions automatically enable the facecache.
219*** cfclient: use the -cache commandline option.
220*** cfclient: map will not redraw automatically (bug).
221*** gcfclient: use -cache commandline option, or enable
222*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
223*** jcrossclient: your client is broken, use CFPlus or gcfclient.
224***
225***
226EOF
227 if ($ns->version =~ /jcrossclient/) {
228 # let them, for now
229 } else {
230 $ns->flush;
231 return $ns->destroy;
232 }
233
234 # $ns->facecache = true;
235 }
236
237 if ($ns->mapmode < cf::Map1aCmd) {
238 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
239
240
241***
242*** WARNING:
243*** Your client is too old. Please upgrade to a newer version.
244EOF
245
246 $ns->flush;
247 return $ns->destroy;
248 }
249
250 $ns->pl and return $ns->destroy;
251
70 $ns->coro (sub { 252 $ns->async (sub {
71 my ($user, $pass); 253 my ($user, $pass);
72 254
73 $ns->send_packet ("addme_success"); 255 $ns->send_packet ("addme_success");
74 256
75 for (;;) { 257 for (;;) {
81 ); 263 );
82 264
83 # read username 265 # read username
84 while () { 266 while () {
85 $user = query $ns, 0, "What is your name?\n:"; 267 $user = query $ns, 0, "What is your name?\n:";
86 last if $user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/; 268
269 if ($cf::LOGIN_LOCK{$user}) {
87 $ns->send_drawinfo ( 270 $ns->send_drawinfo (
271 "That username is currently used in another login session. "
272 . "Chose another, or wait till the other session has ended.",
273 cf::NDI_RED
274 );
275 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
276 last;
277 } else {
278 $ns->send_drawinfo (
88 "Your username contains illegal characters " 279 "Your username contains illegal characters "
89 . "(only a-z, A-Z and 0-9 are allowed), " 280 . "(only a-z, A-Z and 0-9 are allowed), "
90 . "or is not between 3 and 18 characters in length.", 281 . "or is not between 3 and 18 characters in length.",
91 cf::NDI_RED 282 cf::NDI_RED
92 ); 283 );
284 }
93 } 285 }
94 286
95 check_playing $ns, $user and next; 287 check_playing $ns, $user and next;
96 288
97 $ns->send_drawinfo ( 289 $ns->send_drawinfo (
110 . "that cannot be too much to ask for :)", 302 . "that cannot be too much to ask for :)",
111 cf::NDI_RED 303 cf::NDI_RED
112 ); 304 );
113 } 305 }
114 306
307 # lock this username for the remainder of this login session
308 if ($cf::LOGIN_LOCK{$user}) {
309 $ns->send_drawinfo (
310 "That username is currently used in another login session. "
311 . "Chose another, or wait till the other session has ended.",
312 cf::NDI_RED
313 );
314 next;
315 }
316 local $cf::LOGIN_LOCK{$user} = 1;
317
115 check_playing $ns, $user and next; 318 check_playing $ns, $user and next;
116 319
117 my $dir = "$PLAYERDIR/$user";
118 my $plfile = "$dir/$user.pl";
119
120 # try to read the user file and check the password 320 # try to read the user file and check the password
121 if (my $fh = aio_open $plfile, O_RDONLY, 0) { 321 if (my $pl = cf::player::find $user) {
322 aio_stat $pl->path and next;
122 my $mtime = (stat $fh)[9]; 323 my $mtime = (stat _)[9];
123
124 0 < aio_read $fh, 0, 16384, my $buf, 0 or next;
125 $buf =~ /^password (\S+)$/m or next;
126 my $hash = $1; 324 my $hash = $pl->password;
127 325
128 check_playing $ns, $user and next; 326 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
129 327 nuke_str $pass;
130 if ($hash eq crypt $pass, $hash) {
131 # password matches, wonderful 328 # password matches, wonderful
132 my $pl = cf::player::load $plfile or next; 329 my $pl = cf::player::find $user or next;
133 $pl->enable_save (1);
134 $pl->connect ($ns); 330 $pl->connect ($ns);
331 check_clean_save $pl;
135 last; 332 last;
136 }
137
138 if (can_cleanup $buf, $mtime) { 333 } elsif (can_cleanup $pl, $mtime) {
139 Coro::Timer::sleep 1; 334 Coro::Timer::sleep 1;
140 335
141 $ns->send_drawinfo ( 336 $ns->send_drawinfo (
142 "Player exists, but password does not match. If this is you account, " 337 "Player exists, but password does not match. If this is your account, "
143 . "please try again. If not, you can now opt to take over this account " 338 . "please try again. If not, you can now decide to take over this account "
144 . "because it has not been in-use for some time.", 339 . "because it has not been in-use for some time.",
145 cf::NDI_RED 340 cf::NDI_RED
146 ); 341 );
147 342
343 #TODO: nuke_str
148 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 344 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
149 or next; 345 or next;
150 346
151 # check if the file hasn't changed 347 # check if the file hasn't changed
152 aio_stat $plfile or next; 348 aio_stat cf::player::path $user and next;
153 $mtime == (stat _)[9] or next; 349 $mtime == (stat _)[9] or next;
154 350
155 # nuke playerdir, this might block, but it needs to be atomic 351 $pl->quit_character;
156 nuke_playerdir $user;
157 352
158 # fall through to creation 353 # fall through to creation
159 } else { 354 } else {
355 nuke_str $pass;
356
160 Coro::Timer::sleep 1; 357 Coro::Timer::sleep 1;
161 358
162 $ns->send_drawinfo ( 359 $ns->send_drawinfo (
163 "Wrong username or password. Please try again " 360 "Wrong username or password. Please try again "
164 . "(check for Numlock and other semi-obvious error sources).", 361 . "(check for Numlock and other semi-obvious error sources).",
165 cf::NDI_RED 362 cf::NDI_RED
166 ); 363 );
167 next; 364 next;
168 } 365 }
366 } else {
367 # unable to load the playerfile:
368 # check wether the player dir exists, which means the file is corrupted or
369 # something very similar.
370 if (!aio_stat cf::player::playerdir $user) {
371 $ns->send_drawinfo (
372 "Unable to retrieve this player. It might be a locked or broken account. "
373 . "If this is your account, ask a dungeon master for assistance. "
374 . "Otherwise choose a different login name.",
375 cf::NDI_RED
376 );
377 next;
378 }
169 } 379 }
170 380
171 # the rest of this function is character creation 381 # the rest of this function is character creation
172 check_playing $ns, $user and next;
173 382
383 # just to make sure nothing is left over
174 nuke_playerdir $user; 384 nuke_playerdir $user;
175 385
386 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
387
388 if ($pass2 ne $pass) {
389 nuke_str $pass;
390 nuke_str $pass2;
391 $ns->send_drawinfo (
392 "The passwords do not match, please try again.",
393 cf::NDI_RED
394 );
395 next;
396 }
397
398 nuke_str $pass2;
399
176 my $pl = cf::player::create; 400 my $pl = cf::player::new $user;
177 $pl->ob->name ($user);
178 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]); 401 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
402 nuke_str $pass;
179 $pl->connect ($ns); 403 $pl->connect ($ns);
404
180 my $ob = $pl->ob; 405 my $ob = $pl->ob;
181 406
182 while () { 407 while () {
183 $ob->update_stats; 408 $ob->update_stats;
184 $pl->save_stats; 409 $pl->save_stats;
205 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); 430 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
206 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, 431 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
207 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"); 432 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
208 433
209 $ns->state (cf::ST_CHANGE_CLASS); 434 $ns->state (cf::ST_CHANGE_CLASS);
435 delete $pl->{deny_save};#d# too early
210 436
211 last; 437 last;
212 } 438 }
213 }); 439 });
214} 440}
441
442cf::register_command quit => sub {
443 my ($ob, $arg) = @_;
444
445 $ob->reply (undef,
446 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
447 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
448 cf::NDI_UNIQUE | cf::NDI_RED);
449};
450
451cf::register_command quit_character => sub {
452 my ($ob, $arg) = @_;
453
454 my $pl = $ob->contr;
455
456 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
457 if ($_[0] !~ /^[yY]/) {
458 $ob->reply (undef,
459 "Ok, not not quitting then.",
460 cf::NDI_UNIQUE | cf::NDI_RED);
461 } else {
462 $ob->reply (undef,
463 "Ok, quitting, hope to see you again.",
464 cf::NDI_UNIQUE | cf::NDI_RED);
465 $pl->ns->flush;
466 cf::async { $pl->quit_character };
467 }
468 });
469};
215 470
216cf::object->attach ( 471cf::object->attach (
217 type => cf::SAVEBED, 472 type => cf::SAVEBED,
218 on_apply => sub { 473 on_apply => sub {
219 my ($bed, $ob) = @_; 474 my ($bed, $ob) = @_;
220 475
221 return cf::override 0 unless $ob->type == cf::PLAYER; 476 return cf::override 0 unless $ob->type == cf::PLAYER;
222 477
223 my $ns = $ob->contr->ns; 478 my $pl = $ob->contr;
224 479
225 # update respawn position 480 # update respawn position
226 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); 481 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
482 cf::async { $pl->save };
227 483
228 #TODO? 484 $pl->killer ("left");
229 #strcpy (pl->contr->killer, "left"); 485 $ob->check_score;
230 #check_score (pl); /* Always check score */
231 486
232 $ob->reply (undef, "In the future, you will wake up here when you die."); 487 $ob->reply (undef, "In the future, you will wake up here when you die.");
233 $ob->contr->save ();
234 488
235 $ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { 489 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
236 if ($_[0] !~ /^[yY]/) { 490 if ($_[0] !~ /^[yY]/) {
237 $ob->contr->save (1); 491 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
492 $pl->deactivate;
238 $ns->destroy (); 493 $pl->ns->destroy;
494 } else {
495 cf::async { $pl->save };
239 } 496 }
240 }); 497 });
241 }, 498 },
242); 499);
243 500
244cf::client->attach (package => __PACKAGE__); 501cf::player->attach (
502 on_login => sub {
503 my ($pl) = @_;
504 my $name = $pl->ob->name;
245 505
506 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
507 },
508 on_logout => sub {
509 my ($pl, $cleanly) = @_;
510 my $name = $pl->ob->name;
511
512 if ($cleanly) {
513 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
514 } else {
515 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
516 $pl->{unclean_save} = $cf::RUNTIME;
517 }
518 },
519);
520
521cf::client->attach (
522 on_addme => \&addme,
523 on_setup => \&setup,
524);
525
526#############################################################################
527
528our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
529our $SAVE_TIMEOUT = 20; # save players every n seconds
530
531our $SCHEDULER = cf::async_ext {
532 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
533 while () {
534 $schedule_interval->next;
535
536 # this weird form of iteration over values is used because
537 # the hash changes underneath us frequently, and for
538 # keeps a direct reference to the value without (in 5.8 perls)
539 # keeping a reference, so this is prone to crashes or worse.
540 my @players = keys %cf::PLAYER;
541 for (@players) {
542 my $pl = $cf::PLAYER{$_}
543 or next;
544 $pl->valid or next;
545
546 eval {
547 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
548 cf::wait_for_tick_begin;
549 $pl->save;
550
551 unless ($pl->active) {
552 # check refcounts, this is tricky and needs to be adjusted to fit server internals
553 my $ob = $pl->ob;
554 Scalar::Util::weaken $pl;
555 Scalar::Util::weaken $ob;
556 my $a_ = $pl->refcnt;#d#
557 my $b_ = $ob->refcnt;#d#
558 my $pl_ref = $pl->refcnt_cnt;
559 my $ob_ref = $ob->refcnt_cnt;
560
561 ## pl_ref == one from object + one from cf::PLAYER
562 ## ob_ref == one from simply being an object
563 if ($pl_ref == 2 && $ob_ref == 1) {
564 warn "player-scheduler destroy ", $ob->name;#d#
565
566 # remove from sight and get fresh "copies"
567 $pl = delete $cf::PLAYER{$ob->name};
568 $ob = $pl->ob;
569
570 $ob->destroy;
571 $pl->destroy;
572 } else {
573 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
574 }
575 }
576 }
577 };
578 warn $@ if $@;
579 Coro::cede;
580 };
581 }
582};
583
584$SCHEDULER->prio (1);
585

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