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Comparing deliantra/server/ext/login.ext (file contents):
Revision 1.12 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.44 by root, Mon Apr 23 19:10:16 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;
7 7use List::Util qw(min max);
8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
9 8
10# paranoia function to overwrite a string-in-place 9# paranoia function to overwrite a string-in-place
11sub nuke_str { 10sub nuke_str {
12 substr $_[0], 0, (length $_[0]), "x" x length $_[0] 11 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13} 12}
14 13
15sub query { 14sub query {
16 my ($ns, $flags, $text) = @_; 15 my ($ns, $flags, $text) = @_;
17 16
18 my $current = $Coro::current; 17 my $current = $Coro::current;
19 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); 18 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
20 Coro::schedule while ref $current; 19 Coro::schedule while ref $current;
21 20
22 $current 21 $current
23} 22}
24 23
25sub can_cleanup { 24sub can_cleanup {
26 my ($playerfile, $mtime) = @_; 25 my ($pl, $mtime) = @_;
27 26
28 my $age = time - $mtime; 27 my $age = time - $mtime;
29 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; 28 my $level = $pl->ob->level;
30 29
31 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 30 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
32 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 31 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
33 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 32 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
34 || $age > 700 * 86400 # 2 years for everybody else 33 || $age > 700 * 86400 # 2 years for everybody else
… …
55} 54}
56 55
57sub check_clean_save { 56sub check_clean_save {
58 my ($pl) = @_; 57 my ($pl) = @_;
59 58
60 unless (delete $pl->{clean_save}) { 59 if (my $time = delete $pl->{unclean_save}) {
60 $pl->ns->send_drawinfo (
61 "You didn't use a savebed to leave this realm. This is very dangerous, "
62 . "as lots of things could happen when you leave by other means, such as cave-ins, "
63 . "or monsters suddenly snapping your body. Better use a savebed next time.",
64 cf::NDI_RED
65 );
61 #d#TODO 66 #d#TODO
62 } 67 }
63} 68}
64 69
65# delete a player directory, be non-blocking AND synchronous... 70# delete a player directory, be non-blocking AND synchronous...
… …
71 system "cd \Q$PLAYERDIR\E " 76 system "cd \Q$PLAYERDIR\E "
72 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 77 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
73 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 78 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
74} 79}
75 80
81sub send_capabilities {
82 my ($ns) = @_;
83
84 return unless $ns->extcmd;
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 } elsif ($k eq "msg") {
185 $ns->{setup}{msg} = $v;
186
187 } elsif ($k eq "excmd") {
188 # we support it
189
190 } else {
191 # other commands:
192 # sexp: no idea, probably for oudated servers
193 # tick: more stupidity, server should sned a tick per tick
194
195 $setup{$k} = "FALSE";
196 }
197 }
198
199 $ns->send_packet (join " ", setup => %setup);
200
201 cf::datalog setup =>
202 request => $args,
203 reply => \%setup,
204 client => $ns->version,
205 ;
206}
207
76sub addme { 208sub addme {
77 my ($ns) = @_; 209 my ($ns) = @_;
78 210
79 $ns->destroy if $ns->pl; 211 if (!$ns->facecache)
212 {
213 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
214
215
216***
217*** WARNING:
218*** Your client does not support face/image caching,
219*** or it has been disabled. Face caching is mandatory
220*** so please enable it or use a newer client.
221***
222*** Look at your client preferences:
223***
224*** CFPlus: all known versions automatically enable the facecache.
225*** cfclient: use the -cache commandline option.
226*** cfclient: map will not redraw automatically (bug).
227*** gcfclient: use -cache commandline option, or enable
228*** gcfclient: Client=>Configure=>Map & Image=>Cache Images.
229*** jcrossclient: your client is broken, use CFPlus or gcfclient.
230***
231***
232EOF
233 if ($ns->version =~ /jcrossclient/) {
234 # let them, for now
235 } else {
236 $ns->flush;
237 return $ns->destroy;
238 }
239
240 # $ns->facecache = true;
241 }
242
243 if ($ns->mapmode < cf::Map1aCmd) {
244 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
245
246
247***
248*** WARNING:
249*** Your client is too old. Please upgrade to a newer version.
250EOF
251
252 $ns->flush;
253 return $ns->destroy;
254 }
255
256 $ns->pl and return $ns->destroy;
80 257
81 $ns->async (sub { 258 $ns->async (sub {
82 my ($user, $pass); 259 my ($user, $pass);
83 260
84 $ns->send_packet ("addme_success"); 261 $ns->send_packet ("addme_success");
… …
99 $ns->send_drawinfo ( 276 $ns->send_drawinfo (
100 "That username is currently used in another login session. " 277 "That username is currently used in another login session. "
101 . "Chose another, or wait till the other session has ended.", 278 . "Chose another, or wait till the other session has ended.",
102 cf::NDI_RED 279 cf::NDI_RED
103 ); 280 );
104 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) { 281 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
105 last; 282 last;
106 } else { 283 } else {
107 $ns->send_drawinfo ( 284 $ns->send_drawinfo (
108 "Your username contains illegal characters " 285 "Your username contains illegal characters "
109 . "(only a-z, A-Z and 0-9 are allowed), " 286 . "(only a-z, A-Z and 0-9 are allowed), "
… …
145 local $cf::LOGIN_LOCK{$user} = 1; 322 local $cf::LOGIN_LOCK{$user} = 1;
146 323
147 check_playing $ns, $user and next; 324 check_playing $ns, $user and next;
148 325
149 # try to read the user file and check the password 326 # try to read the user file and check the password
150 if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) { 327 if (my $pl = cf::player::find $user) {
328 aio_stat $pl->path and next;
151 my $mtime = (stat $fh)[9]; 329 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; 330 my $hash = $pl->password;
156 331
157 if ($hash eq crypt $pass, $hash) { 332 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
158 nuke_str $pass; 333 nuke_str $pass;
159 # password matches, wonderful 334 # password matches, wonderful
160 my $pl = cf::player::find $user or next; 335 my $pl = cf::player::find $user or next;
161 $pl->connect ($ns); 336 $pl->connect ($ns);
162 check_clean_save $pl; 337 check_clean_save $pl;
163 last; 338 last;
164 } elsif (can_cleanup $buf, $mtime) { 339 } elsif (can_cleanup $pl, $mtime) {
165 Coro::Timer::sleep 1; 340 Coro::Timer::sleep 1;
166 341
167 $ns->send_drawinfo ( 342 $ns->send_drawinfo (
168 "Player exists, but password does not match. If this is your account, " 343 "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 " 344 . "please try again. If not, you can now decide to take over this account "
… …
177 352
178 # check if the file hasn't changed 353 # check if the file hasn't changed
179 aio_stat cf::player::path $user and next; 354 aio_stat cf::player::path $user and next;
180 $mtime == (stat _)[9] or next; 355 $mtime == (stat _)[9] or next;
181 356
182 nuke_playerdir $user; 357 $pl->quit_character;
183 358
184 # fall through to creation 359 # fall through to creation
185 } else { 360 } else {
186 nuke_str $pass; 361 nuke_str $pass;
187 362
188 Coro::Timer::sleep 1; 363 Coro::Timer::sleep 1;
189 364
190 $ns->send_drawinfo ( 365 $ns->send_drawinfo (
191 "Wrong username or password. Please try again " 366 "Wrong username or password. Please try again "
192 . "(check for Numlock and other semi-obvious error sources).", 367 . "(check for Numlock and other semi-obvious error sources).",
368 cf::NDI_RED
369 );
370 next;
371 }
372 } else {
373 # unable to load the playerfile:
374 # check wether the player dir exists, which means the file is corrupted or
375 # something very similar.
376 if (!aio_stat cf::player::playerdir $user) {
377 $ns->send_drawinfo (
378 "Unable to retrieve this player. It might be a locked or broken account. "
379 . "If this is your account, ask a dungeon master for assistance. "
380 . "Otherwise choose a different login name.",
193 cf::NDI_RED 381 cf::NDI_RED
194 ); 382 );
195 next; 383 next;
196 } 384 }
197 } 385 }
… …
279 } else { 467 } else {
280 $ob->reply (undef, 468 $ob->reply (undef,
281 "Ok, quitting, hope to see you again.", 469 "Ok, quitting, hope to see you again.",
282 cf::NDI_UNIQUE | cf::NDI_RED); 470 cf::NDI_UNIQUE | cf::NDI_RED);
283 $pl->ns->flush; 471 $pl->ns->flush;
284 $pl->quit_character; 472 cf::async { $pl->quit_character };
285 } 473 }
286 }); 474 });
287}; 475};
288 476
289cf::object->attach ( 477cf::object->attach (
… …
291 on_apply => sub { 479 on_apply => sub {
292 my ($bed, $ob) = @_; 480 my ($bed, $ob) = @_;
293 481
294 return cf::override 0 unless $ob->type == cf::PLAYER; 482 return cf::override 0 unless $ob->type == cf::PLAYER;
295 483
296 my $pl = $ob->pl; 484 my $pl = $ob->contr;
297 485
298 # update respawn position 486 # update respawn position
299 $pl->savebed ($bed->map->path, $bed->x, $bed->y); 487 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
488 cf::async { $pl->save };
300 489
301 $pl->killer ("left"); 490 $pl->killer ("left");
302 $ob->check_score; 491 $ob->check_score;
303 492
304 $ob->reply (undef, "In the future, you will wake up here when you die."); 493 $ob->reply (undef, "In the future, you will wake up here when you die.");
… …
307 if ($_[0] !~ /^[yY]/) { 496 if ($_[0] !~ /^[yY]/) {
308 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1); 497 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
309 $pl->deactivate; 498 $pl->deactivate;
310 $pl->ns->destroy; 499 $pl->ns->destroy;
311 } else { 500 } else {
312 cf::async { 501 cf::async { $pl->save };
313 $pl->{clean_save} = 1;
314 $pl->save;
315 };
316 } 502 }
317 }); 503 });
318 }, 504 },
319); 505);
320 506
… …
331 517
332 if ($cleanly) { 518 if ($cleanly) {
333 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; 519 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
334 } else { 520 } else {
335 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; 521 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
522 $pl->{unclean_save} = $cf::RUNTIME;
336 } 523 }
337 }, 524 },
338); 525);
339 526
340cf::client->attach ( 527cf::client->attach (
341 on_addme => \&addme, 528 on_addme => \&addme,
529 on_setup => \&setup,
342); 530);
343 531
344############################################################################# 532#############################################################################
345 533
346our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs 534our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
347our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory
348our $SAVE_TIMEOUT = 20; # save players every n seconds 535our $SAVE_TIMEOUT = 20; # save players every n seconds
349our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL
350 536
351our $SCHEDULER = cf::async_ext { 537our $SCHEDULER = cf::async_ext {
538 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
352 while () { 539 while () {
353 Coro::Timer::sleep $SCHEDULE_INTERVAL; 540 $schedule_interval->next;
354 541
355 # this weird form of iteration over values is used because 542 # this weird form of iteration over values is used because
356 # the hash changes underneath us frequently, and for 543 # the hash changes underneath us frequently, and for
357 # keeps a direct reference to the value without (in 5.8 perls) 544 # keeps a direct reference to the value without (in 5.8 perls)
358 # keeping a reference, so this is prone to crashes or worse. 545 # keeping a reference, so this is prone to crashes or worse.
… …
362 or next; 549 or next;
363 $pl->valid or next; 550 $pl->valid or next;
364 551
365 eval { 552 eval {
366 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { 553 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
554 cf::wait_for_tick_begin;
367 $pl->save; 555 $pl->save;
368 Coro::Timer::sleep $SAVE_INTERVAL; 556
557 unless ($pl->active) {
558 # check refcounts, this is tricky and needs to be adjusted to fit server internals
559 my $ob = $pl->ob;
560 Scalar::Util::weaken $pl;
561 Scalar::Util::weaken $ob;
562 my $a_ = $pl->refcnt;#d#
563 my $b_ = $ob->refcnt;#d#
564 my $pl_ref = $pl->refcnt_cnt;
565 my $ob_ref = $ob->refcnt_cnt;
566
567 ## pl_ref == one from object + one from cf::PLAYER
568 ## ob_ref == one from simply being an object
569 if ($pl_ref == 2 && $ob_ref == 1) {
570 warn "player-scheduler destroy ", $ob->name;#d#
571
572 # remove from sight and get fresh "copies"
573 $pl = delete $cf::PLAYER{$ob->name};
574 $ob = $pl->ob;
575
576 $ob->destroy;
577 $pl->destroy;
578 } else {
579 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
580 }
581 }
369 } 582 }
370 }; 583 };
371 warn $@ if $@; 584 warn $@ if $@;
372 Coro::cede; 585 Coro::cede;
373 }; 586 };

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