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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 1.37 by root, Fri Apr 6 22:57:53 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; 9my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
9 10
10# testbed for coroutines in crossfire : 11# paranoia function to overwrite a string-in-place
12sub nuke_str {
13 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
14}
11 15
12sub query { 16sub query {
13 my ($ns, $flags, $text) = @_; 17 my ($ns, $flags, $text) = @_;
14 18
15 my $current = $Coro::current; 19 my $current = $Coro::current;
18 22
19 $current 23 $current
20} 24}
21 25
22sub can_cleanup { 26sub can_cleanup {
23 my ($playerfile, $mtime) = @_; 27 my ($pl, $mtime) = @_;
24 28
25 my $age = time - $mtime; 29 my $age = time - $mtime;
26 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; 30 my $level = $pl->ob->level;
27 31
28 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 32 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
29 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 33 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
30 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 34 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
31 || $age > 700 * 86400 # 2 years for everybody else 35 || $age > 700 * 86400 # 2 years for everybody else
32} 36}
33 37
34sub check_playing { 38sub check_playing {
35 my ($ns, $user) = @_; 39 my ($ns, $user) = @_;
36 40
37 return unless cf::player::find $user; 41 return unless cf::player::find_active $user;
38 42
39 $ns->send_drawinfo ( 43 $ns->send_drawinfo (
40 "That player is already logged in on this server. " 44 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. " 45 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody " 46 . "If you are already a registered player, make sure nobody "
49 ); 53 );
50 54
51 1 55 1
52} 56}
53 57
58sub check_clean_save {
59 my ($pl) = @_;
60
61 if (my $time = delete $pl->{unclean_save}) {
62 $pl->ns->send_drawinfo (
63 "You didn't use a savebed to leave this realm. This is very dangerous, "
64 . "as lots of things could happen when you leave by other means, such as cave-ins, "
65 . "or monsters suddenly snapping your body. Better use a savebed next time.",
66 cf::NDI_RED
67 );
68 #d#TODO
69 }
70}
71
54# delete a player directory, be non-blocking AND synchronous... 72# delete a player directory, be non-blocking AND synchronous...
55# (thats hard, so we crap out and fork). 73# (thats hard, so we crap out and fork).
56sub nuke_playerdir { 74sub nuke_playerdir {
57 my ($user) = @_; 75 my ($user) = @_;
58 76
60 system "cd \Q$PLAYERDIR\E " 78 system "cd \Q$PLAYERDIR\E "
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 79 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 80 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
63} 81}
64 82
65sub on_addme { 83sub send_capabilities {
66 my ($ns) = @_; 84 my ($ns) = @_;
67 85
68 $ns->destroy if $ns->pl; 86 return unless $ns->extcmd;
69 87
88 $ns->ext_event (capabilities =>
89 # id, name, flags (1 == 2d), edge length
90 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
91 );
92}
93
94sub setup {
95 my ($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 - 1) | 1);
164 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
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 => $ns->version,
192 ;
193}
194
195sub addme {
196 my ($ns) = @_;
197
198 if (!$ns->facecache)
199 {
200 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
201
202
203***
204*** WARNING:
205*** Your client does not support face/image caching,
206*** or it has been disabled. Face caching is mandatory
207*** so please enable it or use a newer client.
208***
209*** Look at your client preferences:
210***
211*** CFPlus: all known versions automatically enable the facecache.
212*** cfclient: use the -cache commandline option.
213*** cfclient: map will not redraw automatically (bug).
214*** gcfclient: use -cache commandline option, or enable
215*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
216*** jcrossclient: your client is broken, use CFPlus or gcfclient.
217***
218***
219EOF
220 if ($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.
237EOF
238
239 $ns->flush;
240 return $ns->destroy;
241 }
242
243 $ns->pl and return $ns->destroy;
244
70 $ns->coro (sub { 245 $ns->async (sub {
71 my ($user, $pass); 246 my ($user, $pass);
72 247
73 $ns->send_packet ("addme_success"); 248 $ns->send_packet ("addme_success");
74 249
75 for (;;) { 250 for (;;) {
81 ); 256 );
82 257
83 # read username 258 # read username
84 while () { 259 while () {
85 $user = query $ns, 0, "What is your name?\n:"; 260 $user = query $ns, 0, "What is your name?\n:";
86 last if $user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/; 261
262 if ($cf::LOGIN_LOCK{$user}) {
87 $ns->send_drawinfo ( 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 (
88 "Your username contains illegal characters " 272 "Your username contains illegal characters "
89 . "(only a-z, A-Z and 0-9 are allowed), " 273 . "(only a-z, A-Z and 0-9 are allowed), "
90 . "or is not between 3 and 18 characters in length.", 274 . "or is not between 3 and 18 characters in length.",
91 cf::NDI_RED 275 cf::NDI_RED
92 ); 276 );
277 }
93 } 278 }
94 279
95 check_playing $ns, $user and next; 280 check_playing $ns, $user and next;
96 281
97 $ns->send_drawinfo ( 282 $ns->send_drawinfo (
110 . "that cannot be too much to ask for :)", 295 . "that cannot be too much to ask for :)",
111 cf::NDI_RED 296 cf::NDI_RED
112 ); 297 );
113 } 298 }
114 299
300 # lock this username for the remainder of this login session
301 if ($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
115 check_playing $ns, $user and next; 311 check_playing $ns, $user and next;
116 312
117 my $dir = "$PLAYERDIR/$user";
118 my $plfile = "$dir/$user.pl";
119
120 # try to read the user file and check the password 313 # try to read the user file and check the password
121 if (my $fh = aio_open $plfile, O_RDONLY, 0) { 314 if (my $pl = cf::player::find $user) {
315 aio_stat $pl->path and next;
122 my $mtime = (stat $fh)[9]; 316 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; 317 my $hash = $pl->password;
127 318
128 check_playing $ns, $user and next; 319 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
129 320 nuke_str $pass;
130 if ($hash eq crypt $pass, $hash) {
131 # password matches, wonderful 321 # password matches, wonderful
132 my $pl = cf::player::load $plfile or next; 322 my $pl = cf::player::find $user or next;
133 $pl->enable_save (1);
134 $pl->connect ($ns); 323 $pl->connect ($ns);
324 check_clean_save $pl;
135 last; 325 last;
136 }
137
138 if (can_cleanup $buf, $mtime) { 326 } elsif (can_cleanup $pl, $mtime) {
139 Coro::Timer::sleep 1; 327 Coro::Timer::sleep 1;
140 328
141 $ns->send_drawinfo ( 329 $ns->send_drawinfo (
142 "Player exists, but password does not match. If this is you account, " 330 "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 " 331 . "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.", 332 . "because it has not been in-use for some time.",
145 cf::NDI_RED 333 cf::NDI_RED
146 ); 334 );
147 335
336 #TODO: nuke_str
148 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 337 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
149 or next; 338 or next;
150 339
151 # check if the file hasn't changed 340 # check if the file hasn't changed
152 aio_stat $plfile or next; 341 aio_stat cf::player::path $user and next;
153 $mtime == (stat _)[9] or next; 342 $mtime == (stat _)[9] or next;
154 343
155 # nuke playerdir, this might block, but it needs to be atomic 344 $pl->quit_character;
156 nuke_playerdir $user;
157 345
158 # fall through to creation 346 # fall through to creation
159 } else { 347 } else {
348 nuke_str $pass;
349
160 Coro::Timer::sleep 1; 350 Coro::Timer::sleep 1;
161 351
162 $ns->send_drawinfo ( 352 $ns->send_drawinfo (
163 "Wrong username or password. Please try again " 353 "Wrong username or password. Please try again "
164 . "(check for Numlock and other semi-obvious error sources).", 354 . "(check for Numlock and other semi-obvious error sources).",
165 cf::NDI_RED 355 cf::NDI_RED
166 ); 356 );
167 next; 357 next;
168 } 358 }
359 } else {
360 # unable to load the playerfile:
361 # check wether the player dir exists, which means the file is corrupted or
362 # something very similar.
363 if (!aio_stat cf::player::playerdir $user) {
364 $ns->send_drawinfo (
365 "Unable to retrieve this player. It might be a locked or broken account. "
366 . "If this is your account, ask a dungeon master for assistance. "
367 . "Otherwise choose a different login name.",
368 cf::NDI_RED
369 );
370 next;
371 }
169 } 372 }
170 373
171 # the rest of this function is character creation 374 # the rest of this function is character creation
172 check_playing $ns, $user and next;
173 375
376 # just to make sure nothing is left over
174 nuke_playerdir $user; 377 nuke_playerdir $user;
175 378
379 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
380
381 if ($pass2 ne $pass) {
382 nuke_str $pass;
383 nuke_str $pass2;
384 $ns->send_drawinfo (
385 "The passwords do not match, please try again.",
386 cf::NDI_RED
387 );
388 next;
389 }
390
391 nuke_str $pass2;
392
176 my $pl = cf::player::create; 393 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]); 394 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
395 nuke_str $pass;
179 $pl->connect ($ns); 396 $pl->connect ($ns);
397
180 my $ob = $pl->ob; 398 my $ob = $pl->ob;
181 399
182 while () { 400 while () {
183 $ob->update_stats; 401 $ob->update_stats;
184 $pl->save_stats; 402 $pl->save_stats;
205 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); 423 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
206 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, 424 $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"); 425 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
208 426
209 $ns->state (cf::ST_CHANGE_CLASS); 427 $ns->state (cf::ST_CHANGE_CLASS);
428 delete $pl->{deny_save};#d# too early
210 429
211 last; 430 last;
212 } 431 }
213 }); 432 });
214} 433}
434
435cf::register_command quit => sub {
436 my ($ob, $arg) = @_;
437
438 $ob->reply (undef,
439 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
440 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
441 cf::NDI_UNIQUE | cf::NDI_RED);
442};
443
444cf::register_command quit_character => sub {
445 my ($ob, $arg) = @_;
446
447 my $pl = $ob->contr;
448
449 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
450 if ($_[0] !~ /^[yY]/) {
451 $ob->reply (undef,
452 "Ok, not not quitting then.",
453 cf::NDI_UNIQUE | cf::NDI_RED);
454 } else {
455 $ob->reply (undef,
456 "Ok, quitting, hope to see you again.",
457 cf::NDI_UNIQUE | cf::NDI_RED);
458 $pl->ns->flush;
459 cf::async { $pl->quit_character };
460 }
461 });
462};
215 463
216cf::object->attach ( 464cf::object->attach (
217 type => cf::SAVEBED, 465 type => cf::SAVEBED,
218 on_apply => sub { 466 on_apply => sub {
219 my ($bed, $ob) = @_; 467 my ($bed, $ob) = @_;
220 468
221 return cf::override 0 unless $ob->type == cf::PLAYER; 469 return cf::override 0 unless $ob->type == cf::PLAYER;
222 470
223 my $ns = $ob->contr->ns; 471 my $pl = $ob->contr;
224 472
225 # update respawn position 473 # update respawn position
226 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); 474 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
475 cf::async { $pl->save };
227 476
228 #TODO? 477 $pl->killer ("left");
229 #strcpy (pl->contr->killer, "left"); 478 $ob->check_score;
230 #check_score (pl); /* Always check score */
231 479
232 $ob->reply (undef, "In the future, you will wake up here when you die."); 480 $ob->reply (undef, "In the future, you will wake up here when you die.");
233 $ob->contr->save ();
234 481
235 $ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { 482 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
236 if ($_[0] !~ /^[yY]/) { 483 if ($_[0] !~ /^[yY]/) {
237 $ob->contr->save (1); 484 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
485 $pl->deactivate;
238 $ns->destroy (); 486 $pl->ns->destroy;
487 } else {
488 cf::async { $pl->save };
239 } 489 }
240 }); 490 });
241 }, 491 },
242); 492);
243 493
244cf::client->attach (package => __PACKAGE__); 494cf::player->attach (
495 on_login => sub {
496 my ($pl) = @_;
497 my $name = $pl->ob->name;
245 498
499 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
500 },
501 on_logout => sub {
502 my ($pl, $cleanly) = @_;
503 my $name = $pl->ob->name;
504
505 if ($cleanly) {
506 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
507 } else {
508 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
509 $pl->{unclean_save} = $cf::RUNTIME;
510 }
511 },
512);
513
514cf::client->attach (
515 on_addme => \&addme,
516 on_setup => \&setup,
517);
518
519#############################################################################
520
521our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
522our $SAVE_TIMEOUT = 20; # save players every n seconds
523
524our $SCHEDULER = cf::async_ext {
525 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
526 while () {
527 $schedule_interval->next;
528
529 # this weird form of iteration over values is used because
530 # the hash changes underneath us frequently, and for
531 # keeps a direct reference to the value without (in 5.8 perls)
532 # keeping a reference, so this is prone to crashes or worse.
533 my @players = keys %cf::PLAYER;
534 for (@players) {
535 my $pl = $cf::PLAYER{$_}
536 or next;
537 $pl->valid or next;
538
539 eval {
540 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
541 $cf::WAIT_FOR_TICK_ONE->wait;
542 $pl->save;
543
544 unless ($pl->active) {
545 # check refcounts, this is tricky and needs to be adjusted to fit server internals
546 my $ob = $pl->ob;
547 Scalar::Util::weaken $pl;
548 Scalar::Util::weaken $ob;
549 my $a_ = $pl->refcnt;#d#
550 my $b_ = $ob->refcnt;#d#
551 my $pl_ref = $pl->refcnt_cnt;
552 my $ob_ref = $ob->refcnt_cnt;
553
554 ## pl_ref == one from object + one from cf::PLAYER
555 ## ob_ref == one from simply being an object
556 if ($pl_ref == 2 && $ob_ref == 1) {
557 warn "player-scheduler destroy ", $ob->name;#d#
558
559 # remove from sight and get fresh "copies"
560 $pl = delete $cf::PLAYER{$ob->name};
561 $ob = $pl->ob;
562
563 $ob->destroy;
564 $pl->destroy;
565 } else {
566 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
567 }
568 }
569 }
570 };
571 warn $@ if $@;
572 Coro::cede;
573 };
574 }
575};
576
577$SCHEDULER->prio (1);
578

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