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Comparing deliantra/server/ext/login.ext (file contents):
Revision 1.11 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.41 by root, Tue Apr 17 10:06:33 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 $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
9 10
10# paranoia function to overwrite a string-in-place 11# paranoia function to overwrite a string-in-place
11sub nuke_str { 12sub nuke_str {
14 15
15sub query { 16sub query {
16 my ($ns, $flags, $text) = @_; 17 my ($ns, $flags, $text) = @_;
17 18
18 my $current = $Coro::current; 19 my $current = $Coro::current;
19 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); 20 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20 Coro::schedule while ref $current; 21 Coro::schedule while ref $current;
21 22
22 $current 23 $current
23} 24}
24 25
25sub can_cleanup { 26sub can_cleanup {
26 my ($playerfile, $mtime) = @_; 27 my ($pl, $mtime) = @_;
27 28
28 my $age = time - $mtime; 29 my $age = time - $mtime;
29 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; 30 my $level = $pl->ob->level;
30 31
31 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 32 ($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 <= 9 && $age > 90 * 86400) # 3 months for level 4..9
33 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 34 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
34 || $age > 700 * 86400 # 2 years for everybody else 35 || $age > 700 * 86400 # 2 years for everybody else
55} 56}
56 57
57sub check_clean_save { 58sub check_clean_save {
58 my ($pl) = @_; 59 my ($pl) = @_;
59 60
60 unless (delete $pl->{clean_save}) { 61 if (my $time = delete $pl->{unclean_save}) {
62 $pl->ns->send_drawinfo (
63 "You didn't use a savebed to leave this realm. This is very dangerous, "
64 . "as lots of things could happen when you leave by other means, such as cave-ins, "
65 . "or monsters suddenly snapping your body. Better use a savebed next time.",
66 cf::NDI_RED
67 );
61 #d#TODO 68 #d#TODO
62 } 69 }
63} 70}
64 71
65# delete a player directory, be non-blocking AND synchronous... 72# delete a player directory, be non-blocking AND synchronous...
71 system "cd \Q$PLAYERDIR\E " 78 system "cd \Q$PLAYERDIR\E "
72 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 79 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
73 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 80 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
74} 81}
75 82
83sub send_capabilities {
84 my ($ns) = @_;
85
86 return unless $ns->extcmd;
87
88 $ns->ext_event (capabilities =>
89 # id, name, flags (1 == 2d), edge length
90 tileset => [[1, "default 64x64 faceset", 1, 64], [0, "default 32x32 faceset", 1, 32]],
91 );
92}
93
94sub setup {
95 my ($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 ($k eq "facecache") {
142 if (!$v) {
143 $v = 1;
144 $setup{$k} = $v;
145 $ns->send_drawinfo ("(trying to forcefully enable facecaching)", cf::NDI_RED);
146 }
147
148 $ns->facecache ($v);
149
150 } elsif ($k eq "faceset") {
151 $ns->faceset (0);
152 $setup{$k} = 0;
153 # $ns->image2 (1)
154
155 } elsif ($k eq "tileset") {
156 $setup{$k} = $ns->faceset ($v & 1);
157
158 } elsif ($k eq "itemcmd") {
159 # Version of the item protocol command to use. Currently,
160 # only supported versions are 1 and 2. Using a numeric
161 # value will make it very easy to extend this in the future.
162 $ns->itemcmd ($v) if $v >= 1 && $v <= 2;
163
164 $setup{$k} = $ns->itemcmd;
165
166 } elsif ($k eq "mapsize") {
167 my ($x, $y) = split /x/, $v;
168
169 $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, ($x - 1) | 1);
170 $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, ($y - 1) | 1);
171
172 $setup{$k} = "${x}x${y}";
173
174 } elsif ($k eq "extendedMapInfos") {
175 $ns->ext_mapinfos ($v);
176
177 } elsif ($k eq "extendedTextInfos") {
178 $ns->has_readable_type ($v);
179
180 } elsif ($k eq "smoothing") { # cfplus-style smoothing
181 $ns->smoothing ($v);
182
183 } elsif ($k eq "fxix") {
184 $ns->fxix ($v);
185
186 } else {
187 # other commands:
188 # sexp: no idea, probably for oudated servers
189 # tick: more stupidity, server should sned a tick per tick
190
191 $setup{$k} = "FALSE";
192 }
193 }
194
195 $ns->send_packet (join " ", setup => %setup);
196
197 cf::datalog setup =>
198 request => $args,
199 reply => \%setup,
200 client => $ns->version,
201 ;
202}
203
76sub addme { 204sub addme {
77 my ($ns) = @_; 205 my ($ns) = @_;
78 206
79 $ns->destroy if $ns->pl; 207 if (!$ns->facecache)
208 {
209 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
210
211
212***
213*** WARNING:
214*** Your client does not support face/image caching,
215*** or it has been disabled. Face caching is mandatory
216*** so please enable it or use a newer client.
217***
218*** Look at your client preferences:
219***
220*** CFPlus: all known versions automatically enable the facecache.
221*** cfclient: use the -cache commandline option.
222*** cfclient: map will not redraw automatically (bug).
223*** gcfclient: use -cache commandline option, or enable
224*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
225*** jcrossclient: your client is broken, use CFPlus or gcfclient.
226***
227***
228EOF
229 if ($ns->version =~ /jcrossclient/) {
230 # let them, for now
231 } else {
232 $ns->flush;
233 return $ns->destroy;
234 }
235
236 # $ns->facecache = true;
237 }
238
239 if ($ns->mapmode < cf::Map1aCmd) {
240 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
241
242
243***
244*** WARNING:
245*** Your client is too old. Please upgrade to a newer version.
246EOF
247
248 $ns->flush;
249 return $ns->destroy;
250 }
251
252 $ns->pl and return $ns->destroy;
80 253
81 $ns->async (sub { 254 $ns->async (sub {
82 my ($user, $pass); 255 my ($user, $pass);
83 256
84 $ns->send_packet ("addme_success"); 257 $ns->send_packet ("addme_success");
99 $ns->send_drawinfo ( 272 $ns->send_drawinfo (
100 "That username is currently used in another login session. " 273 "That username is currently used in another login session. "
101 . "Chose another, or wait till the other session has ended.", 274 . "Chose another, or wait till the other session has ended.",
102 cf::NDI_RED 275 cf::NDI_RED
103 ); 276 );
104 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) { 277 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
105 last; 278 last;
106 } else { 279 } else {
107 $ns->send_drawinfo ( 280 $ns->send_drawinfo (
108 "Your username contains illegal characters " 281 "Your username contains illegal characters "
109 . "(only a-z, A-Z and 0-9 are allowed), " 282 . "(only a-z, A-Z and 0-9 are allowed), "
145 local $cf::LOGIN_LOCK{$user} = 1; 318 local $cf::LOGIN_LOCK{$user} = 1;
146 319
147 check_playing $ns, $user and next; 320 check_playing $ns, $user and next;
148 321
149 # try to read the user file and check the password 322 # try to read the user file and check the password
150 if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) { 323 if (my $pl = cf::player::find $user) {
324 aio_stat $pl->path and next;
151 my $mtime = (stat $fh)[9]; 325 my $mtime = (stat _)[9];
152
153 0 < aio_read $fh, 0, 16384, my $buf, 0 or next;
154 $buf =~ /^password (\S+)$/m or next;
155 my $hash = $1; 326 my $hash = $pl->password;
156 327
157 if ($hash eq crypt $pass, $hash) { 328 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
158 nuke_str $pass; 329 nuke_str $pass;
159 # password matches, wonderful 330 # password matches, wonderful
160 my $pl = cf::player::find $user or next; 331 my $pl = cf::player::find $user or next;
161 $pl->connect ($ns); 332 $pl->connect ($ns);
162 check_clean_save $pl; 333 check_clean_save $pl;
163 last; 334 last;
164 } elsif (can_cleanup $buf, $mtime) { 335 } elsif (can_cleanup $pl, $mtime) {
165 Coro::Timer::sleep 1; 336 Coro::Timer::sleep 1;
166 337
167 $ns->send_drawinfo ( 338 $ns->send_drawinfo (
168 "Player exists, but password does not match. If this is your account, " 339 "Player exists, but password does not match. If this is your account, "
169 . "please try again. If not, you can now decide to take over this account " 340 . "please try again. If not, you can now decide to take over this account "
177 348
178 # check if the file hasn't changed 349 # check if the file hasn't changed
179 aio_stat cf::player::path $user and next; 350 aio_stat cf::player::path $user and next;
180 $mtime == (stat _)[9] or next; 351 $mtime == (stat _)[9] or next;
181 352
182 nuke_playerdir $user; 353 $pl->quit_character;
183 354
184 # fall through to creation 355 # fall through to creation
185 } else { 356 } else {
186 nuke_str $pass; 357 nuke_str $pass;
187 358
188 Coro::Timer::sleep 1; 359 Coro::Timer::sleep 1;
189 360
190 $ns->send_drawinfo ( 361 $ns->send_drawinfo (
191 "Wrong username or password. Please try again " 362 "Wrong username or password. Please try again "
192 . "(check for Numlock and other semi-obvious error sources).", 363 . "(check for Numlock and other semi-obvious error sources).",
364 cf::NDI_RED
365 );
366 next;
367 }
368 } else {
369 # unable to load the playerfile:
370 # check wether the player dir exists, which means the file is corrupted or
371 # something very similar.
372 if (!aio_stat cf::player::playerdir $user) {
373 $ns->send_drawinfo (
374 "Unable to retrieve this player. It might be a locked or broken account. "
375 . "If this is your account, ask a dungeon master for assistance. "
376 . "Otherwise choose a different login name.",
193 cf::NDI_RED 377 cf::NDI_RED
194 ); 378 );
195 next; 379 next;
196 } 380 }
197 } 381 }
255 last; 439 last;
256 } 440 }
257 }); 441 });
258} 442}
259 443
260# "Quitting will delete your character PERMANENTLY. If you are sure you want to do this, then use the quit_character command instead of quit." 444cf::register_command quit => sub {
261# "Quitting will delete your character.\nAre you sure you want to quit (y/n):" 445 my ($ob, $arg) = @_;
262# quit, quit_character, save 446
447 $ob->reply (undef,
448 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
449 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
450 cf::NDI_UNIQUE | cf::NDI_RED);
451};
452
453cf::register_command quit_character => sub {
454 my ($ob, $arg) = @_;
455
456 my $pl = $ob->contr;
457
458 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
459 if ($_[0] !~ /^[yY]/) {
460 $ob->reply (undef,
461 "Ok, not not quitting then.",
462 cf::NDI_UNIQUE | cf::NDI_RED);
463 } else {
464 $ob->reply (undef,
465 "Ok, quitting, hope to see you again.",
466 cf::NDI_UNIQUE | cf::NDI_RED);
467 $pl->ns->flush;
468 cf::async { $pl->quit_character };
469 }
470 });
471};
263 472
264cf::object->attach ( 473cf::object->attach (
265 type => cf::SAVEBED, 474 type => cf::SAVEBED,
266 on_apply => sub { 475 on_apply => sub {
267 my ($bed, $ob) = @_; 476 my ($bed, $ob) = @_;
268 477
269 return cf::override 0 unless $ob->type == cf::PLAYER; 478 return cf::override 0 unless $ob->type == cf::PLAYER;
270 479
271 my $pl = $ob->pl; 480 my $pl = $ob->contr;
272 481
273 # update respawn position 482 # update respawn position
274 $pl->savebed ($bed->map->path, $bed->x, $bed->y); 483 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
484 cf::async { $pl->save };
275 485
276 $pl->killer ("left"); 486 $pl->killer ("left");
277 $ob->check_score; 487 $ob->check_score;
278 488
279 $ob->reply (undef, "In the future, you will wake up here when you die."); 489 $ob->reply (undef, "In the future, you will wake up here when you die.");
282 if ($_[0] !~ /^[yY]/) { 492 if ($_[0] !~ /^[yY]/) {
283 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1); 493 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
284 $pl->deactivate; 494 $pl->deactivate;
285 $pl->ns->destroy; 495 $pl->ns->destroy;
286 } else { 496 } else {
287 cf::async { 497 cf::async { $pl->save };
288 $pl->{clean_save} = 1;
289 $pl->save;
290 };
291 } 498 }
292 }); 499 });
293 }, 500 },
294); 501);
295 502
306 513
307 if ($cleanly) { 514 if ($cleanly) {
308 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; 515 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
309 } else { 516 } else {
310 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; 517 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
518 $pl->{unclean_save} = $cf::RUNTIME;
311 } 519 }
312 }, 520 },
313); 521);
314 522
315cf::client->attach ( 523cf::client->attach (
316 on_addme => \&addme, 524 on_addme => \&addme,
525 on_setup => \&setup,
317); 526);
318 527
319############################################################################# 528#############################################################################
320 529
321our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs 530our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
322our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory
323our $SAVE_TIMEOUT = 20; # save players every n seconds 531our $SAVE_TIMEOUT = 20; # save players every n seconds
324our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL
325 532
326our $SCHEDULER = cf::async_ext { 533our $SCHEDULER = cf::async_ext {
534 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
327 while () { 535 while () {
328 Coro::Timer::sleep $SCHEDULE_INTERVAL; 536 $schedule_interval->next;
329 537
330 # this weird form of iteration over values is used because 538 # this weird form of iteration over values is used because
331 # the hash changes underneath us frequently, and for 539 # the hash changes underneath us frequently, and for
332 # keeps a direct reference to the value without (in 5.8 perls) 540 # keeps a direct reference to the value without (in 5.8 perls)
333 # keeping a reference, so this is prone to crashes or worse. 541 # keeping a reference, so this is prone to crashes or worse.
337 or next; 545 or next;
338 $pl->valid or next; 546 $pl->valid or next;
339 547
340 eval { 548 eval {
341 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { 549 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
550 cf::wait_for_tick_begin;
342 $pl->save; 551 $pl->save;
343 Coro::Timer::sleep $SAVE_INTERVAL; 552
553 unless ($pl->active) {
554 # check refcounts, this is tricky and needs to be adjusted to fit server internals
555 my $ob = $pl->ob;
556 Scalar::Util::weaken $pl;
557 Scalar::Util::weaken $ob;
558 my $a_ = $pl->refcnt;#d#
559 my $b_ = $ob->refcnt;#d#
560 my $pl_ref = $pl->refcnt_cnt;
561 my $ob_ref = $ob->refcnt_cnt;
562
563 ## pl_ref == one from object + one from cf::PLAYER
564 ## ob_ref == one from simply being an object
565 if ($pl_ref == 2 && $ob_ref == 1) {
566 warn "player-scheduler destroy ", $ob->name;#d#
567
568 # remove from sight and get fresh "copies"
569 $pl = delete $cf::PLAYER{$ob->name};
570 $ob = $pl->ob;
571
572 $ob->destroy;
573 $pl->destroy;
574 } else {
575 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
576 }
577 }
344 } 578 }
345 }; 579 };
346 warn $@ if $@; 580 warn $@ if $@;
347 Coro::cede; 581 Coro::cede;
348 }; 582 };

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