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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 1.71 by root, Sun Sep 2 12:45:44 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 7
8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; 8our $MAX_DISCONNECT_TIME = $cf::CFG{max_disconnect_time} || 3600;
9 9
10# testbed for coroutines in crossfire : 10# paranoia function to overwrite a string-in-place
11sub nuke_str {
12 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13}
11 14
12sub query { 15sub query {
13 my ($ns, $flags, $text) = @_; 16 my ($ns, $flags, $text) = @_;
14 17
15 my $current = $Coro::current; 18 my $current = $Coro::current;
16 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0]; }); 19 $ns->query ($flags, $text, sub { $current->ready; $current = $_[0] });
17 Coro::schedule while ref $current; 20 Coro::schedule while ref $current;
18 21
19 $current 22 $current
20} 23}
21 24
22sub can_cleanup { 25sub can_cleanup {
23 my ($playerfile, $mtime) = @_; 26 my ($pl, $mtime) = @_;
24 27
25 my $age = time - $mtime; 28 my $age = time - $mtime;
26 my $level = $playerfile =~ /^level (\d+)$/m ? $1 : return; 29 my $level = $pl->ob->level;
27 30
28 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3 31 ($level <= 3 && $age > 7 * 86400) # 7 days for level 0..3
29 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 32 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
30 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 33 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
31 || $age > 700 * 86400 # 2 years for everybody else 34 || $age > 700 * 86400 # 2 years for everybody else
32} 35}
33 36
34sub check_playing { 37sub check_playing {
35 my ($ns, $user) = @_; 38 my ($ns, $user) = @_;
36 39
37 return unless cf::player::find $user; 40 return unless cf::player::find_active $user;
38 41
39 $ns->send_drawinfo ( 42 $ns->send_drawinfo (
40 "That player is already logged in on this server. " 43 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. " 44 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody " 45 . "If you have already a registered, make sure nobody "
43 . "else is using your account at this time. If you lost your conenction " 46 . "else is using your account at this time. If you lost your connection "
44 . "then the server will likely timeout within a minute. If you still " 47 . "then the server will likely timeout within a minute. If you still "
45 . "cannot log-in after a minute, you are still logged in. Make sure " 48 . "cannot log-in after a minute, you are still logged in. Make sure "
46 . "you do not have another client running. If you use windows, reboot, " 49 . "you do not have another client running. If you use windows, reboot, "
47 . "this will fix anything.", 50 . "this will fix anything.",
48 cf::NDI_RED 51 cf::NDI_RED
49 ); 52 );
50 53
51 1 54 1
52} 55}
53 56
57sub enter_map {
58 my ($pl) = @_;
59
60 my $ob = $pl->ob;
61
62 my ($map, $x, $y)
63 = $ob->{_link_pos}
64 ? @{delete $ob->{_link_pos}}
65 : ($pl->maplevel, $ob->x, $ob->y);
66
67 $ob->enter_link;
68
69 if (my $time = delete $pl->{unclean_save}) {
70 if (my $m = cf::map::find $map) {
71 if ($time < $m->{instantiate_time}) {
72 # the map was reset in the meantime
73 my $age = $cf::RUNTIME - $time;
74
75 warn $ob->name, " map reset after logout, logout age $age (>= $MAX_DISCONNECT_TIME)\n";#d#
76
77 # for now, just go back to savebed
78 ($map, $x, $y) = $pl->savebed;
79
80 if ($age >= $MAX_DISCONNECT_TIME) {
81 $ob->message (
82 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
83 . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
84 . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
85 . "H<You disconnected too long without having used a savebed.>",
86 cf::NDI_RED
87 );
88 # kill them.
89 # reminds me of the famous badness 10000 syndrome...
90 $ob->stats->hp (-10000); #] if they survive this they deserved to live
91 $pl->killer ("a cave-in");
92 } else {
93 $ob->message (
94 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
95 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
96 . "Better use a savebed next time, much worse things could have happened... "
97 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
98 cf::NDI_RED
99 );
100 }
101 } else {
102 $ob->message (
103 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
104 . "as lots of things could happen when you leave by other means, such as cave-ins, "
105 . "or monsters suddenly snapping your body. Better use a savebed next time. "
106 . "H<Always apply a bed of reality to disconnect from the server.>",
107 cf::NDI_RED
108 );
109 }
110 }
111 }
112
113 $ob->goto ($map, $x, $y);
114}
115
54# delete a player directory, be non-blocking AND synchronous... 116# delete a player directory, be non-blocking AND synchronous...
55# (thats hard, so we crap out and fork). 117# (thats hard, so we crap out and fork).
56sub nuke_playerdir { 118sub nuke_playerdir {
57 my ($user) = @_; 119 my ($user) = @_;
58 120
59 aio_stat "$PLAYERDIR/$user"; 121 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
60 system "cd \Q$PLAYERDIR\E " 122
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 123 cf::fork_call {
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 124 rename "$PLAYERDIR/$user", $temp;
125 system "rm", "-rf", $temp;
126 };
63} 127}
64 128
65sub on_addme { 129cf::client->attach (on_addme => sub {
66 my ($ns) = @_; 130 my ($ns) = @_;
67 131
68 $ns->destroy if $ns->pl; 132 if (!$ns->facecache)
133 {
134 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
69 135
136
137***
138*** WARNING:
139*** Your client does not support face/image caching,
140*** or it has been disabled. Face caching is mandatory
141*** so please enable it or use a newer client.
142***
143*** Look at your client preferences:
144***
145*** CFPlus: all known versions automatically enable the facecache.
146*** cfclient: use the -cache commandline option.
147*** cfclient: map will not redraw automatically (bug).
148*** gcfclient: use -cache commandline option, or enable
149*** gcfclient: Client => Configure => Map & Image => Cache Images.
150*** jcrossclient: your client is broken, use CFPlus or gcfclient.
151***
152***
153EOF
154 if ($ns->version =~ /jcrossclient/) {
155 # let them, for now
156 } else {
157 $ns->flush;
158 return $ns->destroy;
159 }
160
161 # $ns->facecache = true;
162 }
163
164 if ($ns->mapmode < cf::Map1aCmd) {
165 $ns->send_drawinfo (<<EOF, cf::NDI_RED);
166
167
168***
169*** WARNING:
170*** Your client is too old. Please upgrade to a newer version.
171EOF
172
173 $ns->flush;
174 return $ns->destroy;
175 }
176
177 $ns->pl and return $ns->destroy;
178
70 $ns->coro (sub { 179 $ns->async (sub {
71 my ($user, $pass); 180 my ($user, $pass);
72 181
73 $ns->send_packet ("addme_success"); 182 $ns->send_packet ("addme_success");
74 183
75 for (;;) { 184 for (;;) {
81 ); 190 );
82 191
83 # read username 192 # read username
84 while () { 193 while () {
85 $user = query $ns, 0, "What is your name?\n:"; 194 $user = query $ns, 0, "What is your name?\n:";
86 last if $user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/; 195
196 if ($cf::LOGIN_LOCK{$user}) {
87 $ns->send_drawinfo ( 197 $ns->send_drawinfo (
198 "That username is currently used in another login session. "
199 . "Chose another, or wait till the other session has ended.",
200 cf::NDI_RED
201 );
202 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
203 last;
204 } else {
205 $ns->send_drawinfo (
88 "Your username contains illegal characters " 206 "Your username contains illegal characters "
89 . "(only a-z, A-Z and 0-9 are allowed), " 207 . "(only a-z, A-Z and 0-9 are allowed), "
90 . "or is not between 3 and 18 characters in length.", 208 . "or is not between 3 and 18 characters in length.",
91 cf::NDI_RED 209 cf::NDI_RED
92 ); 210 );
211 }
212 Coro::Timer::sleep 0.4;
93 } 213 }
94 214
95 check_playing $ns, $user and next; 215 check_playing $ns, $user and next;
96 216
97 $ns->send_drawinfo ( 217 $ns->send_drawinfo (
108 $ns->send_drawinfo ( 228 $ns->send_drawinfo (
109 "Try to use at least three characters as your password please, " 229 "Try to use at least three characters as your password please, "
110 . "that cannot be too much to ask for :)", 230 . "that cannot be too much to ask for :)",
111 cf::NDI_RED 231 cf::NDI_RED
112 ); 232 );
233 Coro::Timer::sleep 0.4;
234 }
235
236 # lock this username for the remainder of this login session
237 if ($cf::LOGIN_LOCK{$user}) {
238 $ns->send_drawinfo (
239 "That username is currently used in another login session. "
240 . "Chose another, or wait till the other session has ended.",
241 cf::NDI_RED
113 } 242 );
243 next;
244 }
245 local $cf::LOGIN_LOCK{$user} = 1;
114 246
115 check_playing $ns, $user and next; 247 check_playing $ns, $user and next;
116 248
117 my $dir = "$PLAYERDIR/$user";
118 my $plfile = "$dir/$user.pl";
119
120 # try to read the user file and check the password 249 # try to read the user file and check the password
121 if (my $fh = aio_open $plfile, O_RDONLY, 0) { 250 if (my $pl = cf::player::find $user) {
251 aio_stat $pl->path and next;
122 my $mtime = (stat $fh)[9]; 252 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; 253 my $hash = $pl->password;
127 254
128 check_playing $ns, $user and next; 255 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
129 256 nuke_str $pass;
130 if ($hash eq crypt $pass, $hash) {
131 # password matches, wonderful 257 # password matches, wonderful
132 my $pl = cf::player::load $plfile or next; 258 my $pl = cf::player::find $user or next;
133 $pl->enable_save (1);
134 $pl->connect ($ns); 259 $pl->connect ($ns);
260 enter_map $pl;
135 last; 261 last;
136 }
137
138 if (can_cleanup $buf, $mtime) { 262 } elsif (can_cleanup $pl, $mtime) {
139 Coro::Timer::sleep 1; 263 Coro::Timer::sleep 1;
140 264
141 $ns->send_drawinfo ( 265 $ns->send_drawinfo (
142 "Player exists, but password does not match. If this is you account, " 266 "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 " 267 . "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.", 268 . "because it has not been in-use for some time.",
145 cf::NDI_RED 269 cf::NDI_RED
146 ); 270 );
147 271
272 #TODO: nuke_str
148 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 273 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
149 or next; 274 or next;
150 275
151 # check if the file hasn't changed 276 # check if the file hasn't changed
152 aio_stat $plfile or next; 277 aio_stat cf::player::path $user and next;
153 $mtime == (stat _)[9] or next; 278 $mtime == (stat _)[9] or next;
154 279
155 # nuke playerdir, this might block, but it needs to be atomic 280 $pl->quit_character;
156 nuke_playerdir $user;
157 281
158 # fall through to creation 282 # fall through to creation
159 } else { 283 } else {
284 nuke_str $pass;
285
160 Coro::Timer::sleep 1; 286 Coro::Timer::sleep 1;
161 287
162 $ns->send_drawinfo ( 288 $ns->send_drawinfo (
163 "Wrong username or password. Please try again " 289 "Wrong username or password. Please try again "
164 . "(check for Numlock and other semi-obvious error sources).", 290 . "(check for Numlock and other semi-obvious error sources).",
165 cf::NDI_RED 291 cf::NDI_RED
166 ); 292 );
167 next; 293 next;
168 } 294 }
295 } else {
296 # unable to load the playerfile:
297 # check wether the player dir exists, which means the file is corrupted or
298 # something very similar.
299 if (!aio_stat cf::player::playerdir $user) {
300 $ns->send_drawinfo (
301 "Unable to retrieve this player. It might be a locked or broken account. "
302 . "If this is your account, ask a dungeon master for assistance. "
303 . "Otherwise choose a different login name.",
304 cf::NDI_RED
305 );
306 next;
307 }
169 } 308 }
170 309
171 # the rest of this function is character creation 310 # the rest of this function is character creation
172 check_playing $ns, $user and next;
173 311
312 # just to make sure nothing is left over
174 nuke_playerdir $user; 313 nuke_playerdir $user;
175 314
315 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
316
317 if ($pass2 ne $pass) {
318 nuke_str $pass;
319 nuke_str $pass2;
320 $ns->send_drawinfo (
321 "The passwords do not match, please try again.",
322 cf::NDI_RED
323 );
324 Coro::Timer::sleep 0.5;
325 next;
326 }
327
328 nuke_str $pass2;
329
176 my $pl = cf::player::create; 330 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]); 331 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
332 nuke_str $pass;
179 $pl->connect ($ns); 333 $pl->connect ($ns);
180 my $ob = $pl->ob; 334 my $ob = $pl->ob;
335
336 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
181 337
182 while () { 338 while () {
183 $ob->update_stats; 339 $ob->update_stats;
184 $pl->save_stats; 340 $pl->save_stats;
185 341
195 $ob->swap_stats ($res - 1, $swap - 1); 351 $ob->swap_stats ($res - 1, $swap - 1);
196 } 352 }
197 } else { 353 } else {
198 $ob->roll_stats; 354 $ob->roll_stats;
199 } 355 }
356
357 Coro::Timer::sleep 0.2;
200 } 358 }
201 359
202 $ob->set_animation (2); 360 $ob->set_animation (2);
203 $ob->add_statbonus; 361 $ob->add_statbonus;
204 362
205 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); 363 while () {
206 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, 364 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
365 my $msg = $ob->msg;
366 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
367 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
368
369 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
207 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"); 370 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
208 371
209 $ns->state (cf::ST_CHANGE_CLASS); 372 last if $res =~ /[dD]/;
373
374 $pl->chargen_race_next;
375 Coro::Timer::sleep 0.2;
376 }
377
378 $pl->chargen_race_done;
379
380 while () {
381 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
382 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
383
384 if ($res =~ /^[fF]/) {
385 $pl->gender (1);
386 last;
387 } elsif ($res =~ /^[mM]/) {
388 $pl->gender (0);
389 last;
390 }
391 Coro::Timer::sleep 0.2;
392 }
393
394 $ob->reply (undef, "Welcome to Crossfire!");
395
396 delete $pl->{deny_save};
210 397
211 last; 398 last;
212 } 399 }
213 }); 400 });
214} 401});
402
403cf::register_command quit => sub {
404 my ($ob, $arg) = @_;
405
406 $ob->reply (undef,
407 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
408 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
409 cf::NDI_UNIQUE | cf::NDI_RED);
410};
411
412cf::register_command quit_character => sub {
413 my ($ob, $arg) = @_;
414
415 my $pl = $ob->contr;
416
417 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
418 if ($_[0] !~ /^[yY]/) {
419 $ob->reply (undef,
420 "Ok, not not quitting then.",
421 cf::NDI_UNIQUE | cf::NDI_RED);
422 } else {
423 $ob->reply (undef,
424 "Ok, quitting, hope to see you again.",
425 cf::NDI_UNIQUE | cf::NDI_RED);
426 $pl->ns->flush;
427 cf::async { $pl->quit_character };
428 }
429 });
430};
215 431
216cf::object->attach ( 432cf::object->attach (
217 type => cf::SAVEBED, 433 type => cf::SAVEBED,
218 on_apply => sub { 434 on_apply => sub {
219 my ($bed, $ob) = @_; 435 my ($bed, $ob) = @_;
220 436
221 return cf::override 0 unless $ob->type == cf::PLAYER; 437 return cf::override 0 unless $ob->type == cf::PLAYER;
222 438
223 my $ns = $ob->contr->ns; 439 my $pl = $ob->contr;
224 440
225 # update respawn position 441 # update respawn position
226 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); 442 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
443 cf::async { $pl->save };
227 444
228 #TODO? 445 $pl->killer ("left");
229 #strcpy (pl->contr->killer, "left"); 446 $ob->check_score;
230 #check_score (pl); /* Always check score */
231 447
232 $ob->reply (undef, "In the future, you will wake up here when you die."); 448 $ob->reply (undef, "In the future, you will wake up here when you die.");
233 $ob->contr->save ();
234 449
235 $ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { 450 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
236 if ($_[0] !~ /^[yY]/) { 451 if ($_[0] !~ /^[yY]/) {
237 $ob->contr->save (1); 452 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
453 $pl->deactivate;
238 $ns->destroy (); 454 $pl->ns->destroy;
455 } else {
456 cf::async { $pl->save };
239 } 457 }
240 }); 458 });
241 }, 459 },
242); 460);
243 461
244cf::client->attach (package => __PACKAGE__); 462cf::player->attach (
463 on_login => sub {
464 my ($pl) = @_;
465 my $name = $pl->ob->name;
245 466
467 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
468 },
469 on_logout => sub {
470 my ($pl, $cleanly) = @_;
471 my $name = $pl->ob->name;
472
473 if ($cleanly) {
474 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
475 } else {
476 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
477 $pl->{unclean_save} = $cf::RUNTIME;
478 }
479 },
480);
481
482#############################################################################
483
484our $SCHEDULE_INTERVAL = $cf::CFG{player_schedule_interval} || 10; # time the player scheduler sleeps between runs
485our $SAVE_TIMEOUT = $cf::CFG{player_save_interval} || 20; # save players every n seconds
486
487our $SCHEDULER = cf::async_ext {
488 my $schedule_interval = Coro::Event->timer (after => 1);
489 while () {
490 $schedule_interval->interval ($SCHEDULE_INTERVAL);
491 $schedule_interval->next;
492
493 # this weird form of iteration over values is used because
494 # the hash changes underneath us frequently, and for
495 # keeps a direct reference to the value without (in 5.8 perls)
496 # keeping a reference, so this is prone to crashes or worse.
497 my @players = keys %cf::PLAYER;
498 for (@players) {
499 my $pl = $cf::PLAYER{$_}
500 or next;
501 $pl->valid or next;
502
503 eval {
504 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
505 $pl->save;
506
507 unless ($pl->active || $pl->ns) {
508 # check refcounts, this is tricky and needs to be adjusted to fit server internals
509 my $ob = $pl->ob;
510
511 my $pl_ref = $pl->refcnt_cnt;
512 my $ob_ref = $ob->refcnt_cnt;
513
514 ## pl_ref == $pl + ob->contr + %cf::PLAYER
515 ## ob_ref == $ob + pl->observe + simply being an object
516 if ($pl_ref == 3 && $ob_ref == 3) {
517 warn "player-scheduler destroy ", $ob->name;#d#
518
519 # remove from sight and get fresh "copies"
520 $pl = delete $cf::PLAYER{$ob->name};
521 $ob = $pl->ob;
522
523 $pl->destroy; # destroys $ob
524 } else {
525 my $a_ = $pl->refcnt;#d#
526 my $b_ = $ob->refcnt;#d#
527
528 warn "player-scheduler refcnt ", $ob->name, " pl $pl_ref ob $ob_ref (C pl $a_ ob $b_)\n";#d#
529 }
530 }
531 }
532 };
533 warn $@ if $@;
534 Coro::cede;
535 };
536 }
537};
538
539$SCHEDULER->prio (1);
540

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