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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 1.30 by root, Sun Feb 11 17:47:22 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; 8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
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;
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 $ns->send_drawinfo (
40 "That player is already logged in on this server. " 43 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. " 44 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody " 45 . "If you are already a registered player, make sure nobody "
49 ); 52 );
50 53
51 1 54 1
52} 55}
53 56
57sub check_clean_save {
58 my ($pl) = @_;
59
60 if (my $time = delete $pl->{unclean_save}) {
61 $pl->ns->send_drawinfo (
62 "You didn't use a savebed to leave this realm. This is very dangerous, "
63 . "as lots of things could happen when you leave by other means, such as cave-ins, "
64 . "or monsters suddenly snapping your body. Better use a savebed next time.",
65 cf::NDI_RED
66 );
67 #d#TODO
68 }
69}
70
54# delete a player directory, be non-blocking AND synchronous... 71# delete a player directory, be non-blocking AND synchronous...
55# (thats hard, so we crap out and fork). 72# (thats hard, so we crap out and fork).
56sub nuke_playerdir { 73sub nuke_playerdir {
57 my ($user) = @_; 74 my ($user) = @_;
58 75
60 system "cd \Q$PLAYERDIR\E " 77 system "cd \Q$PLAYERDIR\E "
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 78 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 79 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
63} 80}
64 81
65sub on_addme { 82sub addme {
66 my ($ns) = @_; 83 my ($ns) = @_;
67 84
68 $ns->destroy if $ns->pl; 85 $ns->destroy if $ns->pl;
69 86
70 $ns->coro (sub { 87 $ns->async (sub {
71 my ($user, $pass); 88 my ($user, $pass);
72 89
73 $ns->send_packet ("addme_success"); 90 $ns->send_packet ("addme_success");
74 91
75 for (;;) { 92 for (;;) {
81 ); 98 );
82 99
83 # read username 100 # read username
84 while () { 101 while () {
85 $user = query $ns, 0, "What is your name?\n:"; 102 $user = query $ns, 0, "What is your name?\n:";
86 last if $user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/; 103
104 if ($cf::LOGIN_LOCK{$user}) {
87 $ns->send_drawinfo ( 105 $ns->send_drawinfo (
106 "That username is currently used in another login session. "
107 . "Chose another, or wait till the other session has ended.",
108 cf::NDI_RED
109 );
110 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) {
111 last;
112 } else {
113 $ns->send_drawinfo (
88 "Your username contains illegal characters " 114 "Your username contains illegal characters "
89 . "(only a-z, A-Z and 0-9 are allowed), " 115 . "(only a-z, A-Z and 0-9 are allowed), "
90 . "or is not between 3 and 18 characters in length.", 116 . "or is not between 3 and 18 characters in length.",
91 cf::NDI_RED 117 cf::NDI_RED
92 ); 118 );
119 }
93 } 120 }
94 121
95 check_playing $ns, $user and next; 122 check_playing $ns, $user and next;
96 123
97 $ns->send_drawinfo ( 124 $ns->send_drawinfo (
110 . "that cannot be too much to ask for :)", 137 . "that cannot be too much to ask for :)",
111 cf::NDI_RED 138 cf::NDI_RED
112 ); 139 );
113 } 140 }
114 141
142 # lock this username for the remainder of this login session
143 if ($cf::LOGIN_LOCK{$user}) {
144 $ns->send_drawinfo (
145 "That username is currently used in another login session. "
146 . "Chose another, or wait till the other session has ended.",
147 cf::NDI_RED
148 );
149 next;
150 }
151 local $cf::LOGIN_LOCK{$user} = 1;
152
115 check_playing $ns, $user and next; 153 check_playing $ns, $user and next;
116 154
117 my $dir = "$PLAYERDIR/$user";
118 my $plfile = "$dir/$user.pl";
119
120 # try to read the user file and check the password 155 # try to read the user file and check the password
121 if (my $fh = aio_open $plfile, O_RDONLY, 0) { 156 if (my $pl = cf::player::find $user) {
157 aio_stat $pl->path and next;
122 my $mtime = (stat $fh)[9]; 158 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; 159 my $hash = $pl->password;
127 160
128 check_playing $ns, $user and next; 161 if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) {
129 162 nuke_str $pass;
130 if ($hash eq crypt $pass, $hash) {
131 # password matches, wonderful 163 # password matches, wonderful
132 my $pl = cf::player::load $plfile or next; 164 my $pl = cf::player::find $user or next;
133 $pl->enable_save (1);
134 $pl->connect ($ns); 165 $pl->connect ($ns);
166 check_clean_save $pl;
135 last; 167 last;
136 }
137
138 if (can_cleanup $buf, $mtime) { 168 } elsif (can_cleanup $pl, $mtime) {
139 Coro::Timer::sleep 1; 169 Coro::Timer::sleep 1;
140 170
141 $ns->send_drawinfo ( 171 $ns->send_drawinfo (
142 "Player exists, but password does not match. If this is you account, " 172 "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 " 173 . "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.", 174 . "because it has not been in-use for some time.",
145 cf::NDI_RED 175 cf::NDI_RED
146 ); 176 );
147 177
178 #TODO: nuke_str
148 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 179 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
149 or next; 180 or next;
150 181
151 # check if the file hasn't changed 182 # check if the file hasn't changed
152 aio_stat $plfile or next; 183 aio_stat cf::player::path $user and next;
153 $mtime == (stat _)[9] or next; 184 $mtime == (stat _)[9] or next;
154 185
155 # nuke playerdir, this might block, but it needs to be atomic 186 $pl->quit_character;
156 nuke_playerdir $user;
157 187
158 # fall through to creation 188 # fall through to creation
159 } else { 189 } else {
190 nuke_str $pass;
191
160 Coro::Timer::sleep 1; 192 Coro::Timer::sleep 1;
161 193
162 $ns->send_drawinfo ( 194 $ns->send_drawinfo (
163 "Wrong username or password. Please try again " 195 "Wrong username or password. Please try again "
164 . "(check for Numlock and other semi-obvious error sources).", 196 . "(check for Numlock and other semi-obvious error sources).",
167 next; 199 next;
168 } 200 }
169 } 201 }
170 202
171 # the rest of this function is character creation 203 # the rest of this function is character creation
172 check_playing $ns, $user and next;
173 204
205 # just to make sure nothing is left over
174 nuke_playerdir $user; 206 nuke_playerdir $user;
175 207
208 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
209
210 if ($pass2 ne $pass) {
211 nuke_str $pass;
212 nuke_str $pass2;
213 $ns->send_drawinfo (
214 "The passwords do not match, please try again.",
215 cf::NDI_RED
216 );
217 next;
218 }
219
220 nuke_str $pass2;
221
176 my $pl = cf::player::create; 222 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]); 223 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
224 nuke_str $pass;
179 $pl->connect ($ns); 225 $pl->connect ($ns);
226
180 my $ob = $pl->ob; 227 my $ob = $pl->ob;
181 228
182 while () { 229 while () {
183 $ob->update_stats; 230 $ob->update_stats;
184 $pl->save_stats; 231 $pl->save_stats;
205 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); 252 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
206 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, 253 $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"); 254 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
208 255
209 $ns->state (cf::ST_CHANGE_CLASS); 256 $ns->state (cf::ST_CHANGE_CLASS);
257 delete $pl->{deny_save};#d# too early
210 258
211 last; 259 last;
212 } 260 }
213 }); 261 });
214} 262}
263
264cf::register_command quit => sub {
265 my ($ob, $arg) = @_;
266
267 $ob->reply (undef,
268 "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. "
269 . "If you are sure you want to do this, then use the quit_character command instead of quit.",
270 cf::NDI_UNIQUE | cf::NDI_RED);
271};
272
273cf::register_command quit_character => sub {
274 my ($ob, $arg) = @_;
275
276 my $pl = $ob->contr;
277
278 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub {
279 if ($_[0] !~ /^[yY]/) {
280 $ob->reply (undef,
281 "Ok, not not quitting then.",
282 cf::NDI_UNIQUE | cf::NDI_RED);
283 } else {
284 $ob->reply (undef,
285 "Ok, quitting, hope to see you again.",
286 cf::NDI_UNIQUE | cf::NDI_RED);
287 $pl->ns->flush;
288 $pl->quit_character;
289 }
290 });
291};
215 292
216cf::object->attach ( 293cf::object->attach (
217 type => cf::SAVEBED, 294 type => cf::SAVEBED,
218 on_apply => sub { 295 on_apply => sub {
219 my ($bed, $ob) = @_; 296 my ($bed, $ob) = @_;
220 297
221 return cf::override 0 unless $ob->type == cf::PLAYER; 298 return cf::override 0 unless $ob->type == cf::PLAYER;
222 299
223 my $ns = $ob->contr->ns; 300 my $pl = $ob->contr;
224 301
225 # update respawn position 302 # update respawn position
226 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); 303 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
304 cf::async { $pl->save };
227 305
228 #TODO? 306 $pl->killer ("left");
229 #strcpy (pl->contr->killer, "left"); 307 $ob->check_score;
230 #check_score (pl); /* Always check score */
231 308
232 $ob->reply (undef, "In the future, you will wake up here when you die."); 309 $ob->reply (undef, "In the future, you will wake up here when you die.");
233 $ob->contr->save ();
234 310
235 $ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { 311 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
236 if ($_[0] !~ /^[yY]/) { 312 if ($_[0] !~ /^[yY]/) {
237 $ob->contr->save (1); 313 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
314 $pl->deactivate;
238 $ns->destroy (); 315 $pl->ns->destroy;
316 } else {
317 cf::async { $pl->save };
239 } 318 }
240 }); 319 });
241 }, 320 },
242); 321);
243 322
244cf::client->attach (package => __PACKAGE__); 323cf::player->attach (
324 on_login => sub {
325 my ($pl) = @_;
326 my $name = $pl->ob->name;
245 327
328 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
329 },
330 on_logout => sub {
331 my ($pl, $cleanly) = @_;
332 my $name = $pl->ob->name;
333
334 if ($cleanly) {
335 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
336 } else {
337 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
338 $pl->{unclean_save} = $cf::RUNTIME;
339 }
340 },
341);
342
343cf::client->attach (
344 on_addme => \&addme,
345);
346
347#############################################################################
348
349our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
350our $SAVE_TIMEOUT = 20; # save players every n seconds
351
352our $SCHEDULER = cf::async_ext {
353 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
354 while () {
355 $schedule_interval->next;
356
357 # this weird form of iteration over values is used because
358 # the hash changes underneath us frequently, and for
359 # keeps a direct reference to the value without (in 5.8 perls)
360 # keeping a reference, so this is prone to crashes or worse.
361 my @players = keys %cf::PLAYER;
362 for (@players) {
363 my $pl = $cf::PLAYER{$_}
364 or next;
365 $pl->valid or next;
366
367 eval {
368 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
369 $cf::WAIT_FOR_TICK_ONE->wait;
370 $pl->save;
371
372 unless ($pl->active) {
373 # check refcounts, this is tricky and needs to be adjusted to fit server internals
374 my $ob = $pl->ob;
375 Scalar::Util::weaken $pl;
376 Scalar::Util::weaken $ob;
377 my $a_ = $pl->refcnt;#d#
378 my $b_ = $ob->refcnt;#d#
379 my $pl_ref = $pl->refcnt_cnt;
380 my $ob_ref = $ob->refcnt_cnt;
381
382 ## pl_ref == one from object + one from cf::PLAYER
383 ## ob_ref == one from simply being an object
384 if ($pl_ref == 2 && $ob_ref == 1) {
385 warn "player-scheduler destroy ", $ob->name;#d#
386
387 # remove from sight and get fresh "copies"
388 $pl = delete $cf::PLAYER{$ob->name};
389 $ob = $pl->ob;
390
391 $ob->destroy;
392 $pl->destroy;
393 } else {
394 warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d#
395 }
396 }
397 }
398 };
399 warn $@ if $@;
400 Coro::cede;
401 };
402 }
403};
404
405$SCHEDULER->prio (1);
406

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