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Comparing deliantra/server/ext/login.ext (file contents):
Revision 1.118 by root, Thu Nov 8 00:16:07 2012 UTC vs.
Revision 1.134 by root, Tue Feb 20 14:28:27 2018 UTC

… …
2 2
3# login handling 3# login handling
4 4
5use Fcntl; 5use Fcntl;
6use Coro::AIO; 6use Coro::AIO;
7use Deliantra::Util ();
7 8
8CONF MAX_DISCONNECT_TIME = 3600; 9CONF MAX_DISCONNECT_TIME = 3600;
9 10
10# paranoia function to overwrite a string-in-place 11our $VALID_LOGIN = qr<^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,19}\z>;
11sub nuke_str { 12our %LOGIN_LOCK;
12 substr $_[0], 0, (length $_[0]), "x" x length $_[0] 13
14# utility function to send messages to the client before
15# we have a player object to format them for. does not
16# escape anything.
17sub send_log ($$$) {
18 $_[0]->send_packet ("msg $_[2] log $_[1]");
13} 19}
14 20
15sub query { 21sub query {
16 my ($ns, $flags, $text) = @_; 22 my ($ns, $flags, $text) = @_;
17 23
18 $ns->query ($flags, $text, Coro::rouse_cb); 24 $ns->query ($flags, $text, Coro::rouse_cb);
19 Coro::rouse_wait 25 Coro::rouse_wait
20} 26}
21 27
22sub can_cleanup { 28sub can_cleanup {
29 return 0; # highscore list is not cleared out, rethink
30
23 my ($pl, $mtime) = @_; 31 my ($pl, $mtime) = @_;
24 32
25 my $age = time - $mtime; 33 my $age = time - $mtime;
26 my $level = $pl->ob->level; 34 my $level = $pl->ob->level;
27 35
… …
29 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9 37 || ($level <= 9 && $age > 90 * 86400) # 3 months for level 4..9
30 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20 38 || ($level <= 20 && $age > 180 * 86400) # 6 months for level 10..20
31 || $age > 700 * 86400 # 2 years for everybody else 39 || $age > 700 * 86400 # 2 years for everybody else
32} 40}
33 41
34sub check_playing { 42# return a guard object for a lock on the given username, if available
43sub login_guard {
35 my ($ns, $user) = @_; 44 my ($user) = @_;
36 45
46 exists $LOGIN_LOCK{$user}
47 and return undef;
48
37 return unless cf::player::find_active $user; 49 cf::player::find_active $user
50 and return undef;
38 51
39 $ns->send_drawinfo ( 52 undef $LOGIN_LOCK{$user};
40 "That player is already logged in on this server. " 53 Guard::guard { delete $LOGIN_LOCK{$user} }
41 . "If you want to create a new player, choose another name. "
42 . "If you have already a registered, make sure nobody "
43 . "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 "
45 . "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, "
47 . "this will fix anything.",
48 cf::NDI_RED
49 );
50
51 1
52} 54}
53 55
54sub safe_spot($) { 56sub safe_spot($) {
55 my ($pl) = @_; 57 my ($pl) = @_;
56 58
… …
62 my $y = $ob->y; 64 my $y = $ob->y;
63 65
64 # never happens normally, but helps when shell users make mistakes 66 # never happens normally, but helps when shell users make mistakes
65 $m->linkable 67 $m->linkable
66 or return 1; 68 or return 1;
67
68# return 0;#d#
69# warn join ":", $m->at ($x, $y);#d#
70# warn "FOO$m { ".scalar ($m->at ($x, $y))." }\n";
71# return 0;
72 69
73 scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y) 70 scalar grep $_->type == cf::SAVEBED, $m->at ($x, $y)
74} 71}
75 72
76sub enter_map { 73sub enter_map {
… …
99 $ob->message ( 96 $ob->message (
100 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. " 97 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
101 . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. " 98 . "Unfortunately, nobody was near to help you when the monsters arrived to eat you. "
102 . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... " 99 . "Maybe you can find comfort in the thought that your body was quite satisfying in taste... "
103 . "H<You disconnected too long without having used a savebed.>", 100 . "H<You disconnected too long without having used a savebed.>",
104 cf::NDI_RED 101 cf::NDI_RED | cf::NDI_REPLY
105 ); 102 );
106 # kill them. 103 # kill them.
107 # reminds me of the famous badness 10000 syndrome... 104 # reminds me of the famous badness 10000 syndrome...
108 $ob->stats->hp (-10000); #] if they survive this they deserved to live 105 $ob->stats->hp (-10000); #] if they survive this they deserved to live
109 my $killer = cf::arch::get "killer_login"; $pl->killer ($killer); $killer->destroy; 106 my $killer = cf::arch::get "killer_login"; $pl->killer ($killer); $killer->destroy;
… …
113 $ob->message ( 110 $ob->message (
114 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. " 111 "You didn't use a bed to reality to leave this realm, leaving your body in great danger. "
115 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. " 112 . "Fortunately, some friendly dwellers found you, checked your passport, and brought you to safety. "
116 . "Better use a savebed next time, much worse things could have happened... " 113 . "Better use a savebed next time, much worse things could have happened... "
117 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>", 114 . "H<You disconnected without having used a savebed. When you do that for too long, you might die.>",
118 cf::NDI_RED 115 cf::NDI_RED | cf::NDI_REPLY
119 ); 116 );
120 } 117 }
121 } else { 118 } else {
122 $ob->message ( 119 $ob->message (
123 "You didn't use a bed to reality to leave this realm. This is very dangerous, " 120 "You didn't use a bed to reality to leave this realm. This is very dangerous, "
124 . "as lots of things could happen when you leave by other means, such as cave-ins, " 121 . "as lots of things could happen when you leave by other means, such as cave-ins, "
125 . "or monsters suddenly snapping your body. Better use a savebed next time. " 122 . "or monsters suddenly snapping your body. Better use a savebed next time. "
126 . "H<Always apply a bed of reality to disconnect from the server.>", 123 . "H<Always apply a bed of reality to disconnect from the server.>",
127 cf::NDI_RED 124 cf::NDI_RED | cf::NDI_REPLY
128 ); 125 );
129 } 126 }
130 } 127 }
131 128
132 $ob->goto ($map, $x, $y); 129 $ob->goto ($map, $x, $y);
133} 130}
134 131
135sub encode_password($) { 132sub encode_password($) {
136# crypt $_[0], 133 unpack "H*", Deliantra::Util::hash_pw $_[0]
137# join '',
138# ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[(cf::rndm 64), (cf::rndm 64)]
139 "!" . unpack "H*", $_[0]
140} 134}
141 135
142sub compare_password($$) { 136sub compare_password($$) {
143 my ($pass, $token) = @_; 137 my ($pass, $token) = @_;
144 138
145 if ($token =~ /!!(.*)/) { 139 if ($token =~ /!!(.*)/) {
146 return +(substr $pass, 0, 8) eq pack "H*", $1; 140 return +(substr $pass, 0, 8) eq pack "H*", $1;
147 } elsif ($token =~ /!(.*)/) { 141 } elsif ($token =~ /!(.*)/) {
148 return $pass eq pack "H*", $1; 142 return $pass eq pack "H*", $1;
149 } else { 143 } else {
150 return $token eq crypt $pass, $token; 144 return $token eq encode_password $pass;
151 } 145 }
152} 146}
153 147
154# delete a player directory 148# delete a player directory
155sub nuke_playerdir { 149sub nuke_playerdir {
… …
160 my $temp = "$PLAYERDIR/~$Coro::current~deleting~"; 154 my $temp = "$PLAYERDIR/~$Coro::current~deleting~";
161 aio_rename "$PLAYERDIR/$user", $temp; 155 aio_rename "$PLAYERDIR/$user", $temp;
162 IO::AIO::aio_rmtree $temp; 156 IO::AIO::aio_rmtree $temp;
163} 157}
164 158
159sub login {
160 my ($pl) = @_;
161
162 # handle character creation, if neccessary
163 # the rest of this function is character creation
164
165 my $ns = $pl->ns;
166 my $ob = $pl->ob;
167
168 if ($pl->{chargen} eq "init") {
169 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
170
171 # create the playerdir, if necessary, as chargen_race_done did it before
172 # presumably because of unique maps
173 aio_mkdir playerdir $pl, 0770;
174 delete $pl->{deny_save}; # set by new
175 $pl->save;
176
177 $pl->{chargen} = "stats";
178 }
179
180 if ($pl->{chargen} eq "stats") {
181 while () {
182 $ob->update_stats;
183 $pl->save_stats;
184
185 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
186 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
187
188 if ($res =~ /^[Nn]/) {
189 last;
190 } elsif ($res > 0 && $res <= 7) {
191 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
192
193 if ($swap > 0 && $swap <= 7) {
194 $ob->swap_stats ($res - 1, $swap - 1);
195 }
196 } else {
197 $ob->roll_stats;
198 }
199
200 Coro::Timer::sleep 0.05;
201 }
202
203 $ob->set_animation (2);
204 $ob->add_statbonus;
205
206 $pl->{chargen} = "race";
207 }
208
209 if ($pl->{chargen} eq "race") {
210 while () {
211 $ns->send_msg ("chargen-race-title", ucfirst $pl->title, -1);
212 my $msg = $ob->msg;
213 $msg =~ s/(?<=\S)\n(?=\S)/ /g;
214 $ns->send_msg ("chargen-race-description", $msg, cf::NDI_BLUE);
215
216 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
217 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
218
219 last if $res =~ /[dD]/;
220
221 $pl->chargen_race_next;
222 Coro::Timer::sleep 0.05;
223 }
224
225 $pl->chargen_race_done;
226 $pl->{chargen} = "gender";
227 }
228
229 if ($pl->{chargen} eq "race") {
230 while () {
231 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
232 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
233
234 if ($res =~ /^[fF]/) {
235 $pl->gender (1);
236 last;
237 } elsif ($res =~ /^[mM]/) {
238 $pl->gender (0);
239 last;
240 }
241 Coro::Timer::sleep 0.05;
242 }
243 $pl->{chargen} = "done";
244 }
245
246 $ns->state (cf::ST_PLAYING);
247
248 if ($pl->{chargen} eq "done") {
249 # XXX: Workaround for delayed client ext protocol handshake
250 $pl->esrv_new_player;
251
252 $pl->{chargen} = "done";
253 }
254
255 $ns->update_command_faces;
256
257 $ob->reply (undef, "Welcome to Deliantra!");
258
259 if (0 < Coro::AIO::aio_load "$cf::CONFDIR/motd", my $motd) {
260 $pl->ns->send_msg ("c/motd" => $motd, cf::NDI_CLEAR);
261 }
262}
263
264sub chargen {
265 my ($ns, $user, $hash) = @_;
266
267 # just to make sure nothing is left over
268 # normally, nothing is there.
269 nuke_playerdir $user;
270
271 my $pl = cf::player::new $user;
272 $pl->password (unpack "H*", $hash);
273 $pl->connect ($ns);
274
275 $pl->{chargen} = "init";
276
277 login $pl;
278}
279
165cf::client->attach (on_addme => sub { 280cf::client->attach (on_addme => sub {
166 my ($ns) = @_; 281 my ($ns) = @_;
167 282
168 $ns->pl and return $ns->destroy; 283 $ns->{addme}++ and return $ns->destroy;
169 284
170 $ns->async (sub { 285 $ns->async (sub {
171 $Coro::current->{desc} = "addme init"; 286 $Coro::current->{desc} = "addme init";
172 287
173 my ($user, $pass); 288 my ($user, $pass);
174 289
175 $ns->send_packet ("addme_success"); 290 $ns->send_packet ("addme_success");
176 291
177 for (;;) { 292 for (;;) {
178 $ns->send_drawinfo ( 293 delete $ns->{login_guard};
294
295 send_log $ns,
179 "Please enter your username now. If you are a new user, " 296 "Please enter your username now. If you are a new user, "
180 . "make one up that describes your character best. " 297 . "make one up that describes your character best. "
181 . "Only letters and digits are allowed, though.", 298 . "Only letters and digits are allowed, though.",
182 cf::NDI_BLUE 299 cf::NDI_BLUE | cf::NDI_REPLY
183 ); 300 ;
184 301
185 # read username 302 # read username
186 while () { 303 while () {
187 $user = query $ns, 0, "What is your name? (login names are case-sensitive)\n:"; 304 $user = query $ns, 0, "What is your name? (login names are case-sensitive)\n:";
188 305
189 if ($cf::LOGIN_LOCK{$user}) { 306 if ($user =~ $VALID_LOGIN) {
190 $ns->send_drawinfo (
191 "That username is currently used in another login session. "
192 . "Chose another, or wait till the other session has ended.",
193 cf::NDI_RED
194 );
195 } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,19}\z/) {
196 last; 307 last;
197 } else { 308 } else {
198 $ns->send_drawinfo ( 309 send_log $ns,
199 "Your username contains illegal characters " 310 "Your username contains illegal characters "
200 . "(only a-z, A-Z and 0-9 are allowed), " 311 . "(only a-z, A-Z and 0-9 are allowed), "
201 . "or is not between 3 and 20 characters in length.", 312 . "or is not between 3 and 20 characters in length.",
202 cf::NDI_RED 313 cf::NDI_RED | cf::NDI_REPLY
203 ); 314 ;
204 } 315 }
205 Coro::Timer::sleep 0.4; 316 Coro::Timer::sleep 0.4;
206 } 317 }
207 318
208 check_playing $ns, $user and next;
209
210 $Coro::current->{desc} = "addme($user) pass"; 319 $Coro::current->{desc} = "addme($user)";
211 320
212 $ns->send_drawinfo ( 321 send_log $ns,
213 "Welcome $user, please enter your password now. " 322 "Welcome $user, please enter your password now. "
214 . "New users should now choose a password. " 323 . "New users should now choose a password. "
215 . "Anything your client lets you enter is fine.", 324 . "Anything your client lets you enter is fine.",
216 cf::NDI_BLUE 325 cf::NDI_BLUE | cf::NDI_REPLY
217 ); 326 ;
218 327
219 # read password 328 # read password
220 while () { 329 while () {
221 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:"; 330 $pass = query $ns, cf::CS_QUERY_HIDEINPUT, "What is your password?\n:";
222 last if $pass =~ /.../; 331 last if $pass =~ /.../;
223 $ns->send_drawinfo ( 332 send_log $ns,
224 "Try to use at least three characters as your password please, " 333 "Try to use at least three characters as your password please, "
225 . "that cannot be too much to ask for :)", 334 . "that cannot be too much to ask for :)",
226 cf::NDI_RED 335 cf::NDI_RED | cf::NDI_REPLY
227 ); 336 ;
228 Coro::Timer::sleep 0.4; 337 Coro::Timer::sleep 0.4;
229 } 338 }
230 339
231 # lock this username for the remainder of this login session 340 $ns->{login_guard} = login_guard $user
232 if ($cf::LOGIN_LOCK{$user}) { 341 or do {
233 $ns->send_drawinfo ( 342 send_log $ns,
234 "That username is currently used in another login session. " 343 "That user is already logged in (or is logging in)."
235 . "Chose another, or wait till the other session has ended.", 344 . "Chose another, or wait till the other session has ended.",
236 cf::NDI_RED 345 cf::NDI_RED | cf::NDI_REPLY
346 ;
347 next;
237 ); 348 };
238 next;
239 }
240 local $cf::LOGIN_LOCK{$user} = 1;
241
242 check_playing $ns, $user and next;
243
244 $Coro::current->{desc} = "addme($user) check";
245 349
246 # try to read the user file and check the password 350 # try to read the user file and check the password
247 if (my $pl = cf::player::find $user) { 351 if (my $pl = cf::player::find $user) {
248 aio_stat $pl->path and next; 352 aio_stat $pl->path and next;
249 my $mtime = (stat _)[9]; 353 my $mtime = (stat _)[9];
250 my $token = $pl->password; 354 my $token = $pl->password;
251 355
252 if ($cf::CFG{ext_login_nocheck} or compare_password $pass, $token) { 356 if ($cf::CFG{ext_login_nocheck} or compare_password $pass, $token) {
253 $pl->password (encode_password $pass); # make sure we store the new encoding #d# 357 # player exists and passwords match - we can proceed
254 nuke_str $pass; 358
255 # password matches, wonderful 359 # password matches, wonderful
256 my $pl = cf::player::find $user or next; 360 my $pl = cf::player::find $user or next;
257 $pl->connect ($ns); 361 $pl->connect ($ns);
258 enter_map $pl; 362 enter_map $pl;
363 login $pl;
259 last; 364 return;
260 } elsif (can_cleanup $pl, $mtime) { 365 } elsif (can_cleanup $pl, $mtime) {
261 Coro::Timer::sleep 1; 366 Coro::Timer::sleep 1;
262 367
263 $ns->send_drawinfo ( 368 send_log $ns,
264 "Player exists, but password does not match. If this is your account, " 369 "Player exists, but password does not match. If this is your account, "
265 . "please try again. If not, you can now decide to take over this account " 370 . "please try again. If not, you can now decide to take over this account "
266 . "because it has not been in-use for some time.", 371 . "because it has not been in-use for some time.",
267 cf::NDI_RED 372 cf::NDI_RED | cf::NDI_REPLY
268 ); 373 ;
269 374
270 #TODO: nuke_str
271 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 375 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
272 or next; 376 or next;
273 377
274 # check if the file hasn't changed 378 # check if the file hasn't changed
275 aio_stat cf::player::path $user and next; 379 aio_stat cf::player::path $user and next;
… …
277 381
278 $pl->quit_character; 382 $pl->quit_character;
279 383
280 # fall through to creation 384 # fall through to creation
281 } else { 385 } else {
282 nuke_str $pass;
283
284 Coro::Timer::sleep 1; 386 Coro::Timer::sleep 1;
285 387
286 $ns->send_drawinfo ( 388 send_log $ns,
287 "Wrong username or password. Please try again " 389 "Wrong username or password. Please try again "
288 . "(check for Numlock and other semi-obvious error sources).", 390 . "(check for Numlock and other semi-obvious error sources).",
289 cf::NDI_RED 391 cf::NDI_RED | cf::NDI_REPLY
290 ); 392 ;
291 next; 393 next;
292 } 394 }
293 } else { 395 } else {
294 # unable to load the playerfile: 396 # unable to load the playerfile:
295 # check whether the player dir exists, which means the file is corrupted or 397 # check whether the player dir exists, which means the file is corrupted or
296 # something very similar. 398 # something very similar.
297 if (!aio_stat cf::player::playerdir $user) { 399 if (!aio_stat cf::player::playerdir $user) {
298 $ns->send_drawinfo ( 400 send_log $ns,
299 "Unable to retrieve this player. It might be a locked or broken account. " 401 "Unable to retrieve this player. It might be a locked or broken account. "
300 . "If this is your account, ask a dungeon master for assistance. " 402 . "If this is your account, ask a dungeon master for assistance. "
301 . "Otherwise choose a different login name.", 403 . "Otherwise choose a different login name.",
302 cf::NDI_RED 404 cf::NDI_RED | cf::NDI_REPLY
303 ); 405 ;
304 next; 406 next;
305 } 407 }
306 } 408 }
307 409
308 # the rest of this function is character creation
309 $Coro::current->{desc} = "addme($user) chargen";
310
311 # just to make sure nothing is left over
312 # normally, nothing is there.
313 nuke_playerdir $user;
314
315 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again."; 410 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
316 411
317 if ($pass2 ne $pass) { 412 if ($pass2 ne $pass) {
318 nuke_str $pass; 413 send_log $ns,
319 nuke_str $pass2;
320 $ns->send_drawinfo (
321 "The passwords do not match, please try again.", 414 "The passwords do not match, please try again.",
322 cf::NDI_RED 415 cf::NDI_RED | cf::NDI_REPLY
323 ); 416 ;
324 Coro::Timer::sleep 0.5; 417 Coro::Timer::sleep 0.5;
325 next; 418 next;
326 } 419 }
327 420
328 nuke_str $pass2;
329
330 my $pl = cf::player::new $user;
331 $pl->password (encode_password $pass);
332 nuke_str $pass;
333 $pl->connect ($ns);
334 my $ob = $pl->ob;
335
336 $ob->goto ($pl->maplevel, $ob->x, $ob->y);
337
338 while () {
339 $ob->update_stats;
340 $pl->save_stats;
341
342 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
343 "[y] to roll new stats [n] to use stats\n[1-7] [1-7] to swap stats.\nRoll again (y/n/1-7)?";
344
345 if ($res =~ /^[Nn]/) {
346 last;
347 } elsif ($res > 0 && $res <= 7) {
348 my $swap = query $ns, cf::CS_QUERY_SINGLECHAR, "Swap stat with (will not roll new stats) [1-7]?";
349
350 if ($swap > 0 && $swap <= 7) {
351 $ob->swap_stats ($res - 1, $swap - 1);
352 }
353 } else {
354 $ob->roll_stats;
355 }
356
357 Coro::Timer::sleep 0.05;
358 }
359
360 $ob->set_animation (2);
361 $ob->add_statbonus;
362
363 while () {
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,
370 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n";
371
372 last if $res =~ /[dD]/;
373
374 $pl->chargen_race_next;
375 Coro::Timer::sleep 0.05;
376 }
377
378 # create the playerdir, if necessary, as chargen_race_done did it before
379 # presumably because of unique maps
380 aio_mkdir playerdir $pl, 0770;
381 $pl->chargen_race_done;
382
383 while () {
384 my $res = query $ns, cf::CS_QUERY_SINGLECHAR,
385 "Now choose a gender.\nPress 'f' to become female, and 'm' to become male.\n";
386
387 if ($res =~ /^[fF]/) {
388 $pl->gender (1);
389 last;
390 } elsif ($res =~ /^[mM]/) {
391 $pl->gender (0);
392 last;
393 }
394 Coro::Timer::sleep 0.05;
395 }
396
397 $ob->reply (undef, "Welcome to Deliantra!");
398
399 # XXX: Workaround for delayed client ext protocol handshake
400 $pl->esrv_new_player;
401
402 delete $pl->{deny_save};
403
404 last; 421 last;
405 } 422 }
406 423
407 if (0 < Coro::AIO::aio_load "$cf::CONFDIR/motd", my $motd) { 424 chargen $ns, $user, Deliantra::Util::hash_pw $pass;
408 $ns->send_msg ("c/motd" => $motd, cf::NDI_CLEAR);
409 }
410 }); 425 });
411}); 426});
427
428cf::client->attach (
429 on_version => sub {
430 my ($ns, $arg) = @_;
431
432 # perl probably uses lrand48, which is not secure at all
433 # maybe require linux and use /dev/urandom.
434 $ns->{nonces} = [map { join "", map { chr rand 256 } 0..63 } 1..2];
435 $ns->ext_msg (nonces => @{ $ns->{nonces} });
436 },
437);
438
439cf::register_async_exticmd create_login => sub {
440 my ($ns, $reply, $user, $pass) = @_;
441
442 $ns->{addme}++ and return $ns->destroy;
443
444 $ns->async (sub {
445 my $fail = sub {
446 $reply->(0, $_[0]);
447 $ns->flush; # does not ensure that the data reaches the client - TODO
448 # need to do this in another thread, as this one gets canceled
449 Coro::async_pool {
450 Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
451 $ns->destroy if $ns->valid;
452 };
453 Coro::schedule; # do the destroy, should not return
454 };
455
456 $user =~ $VALID_LOGIN
457 or return $fail (
458 "Your username contains illegal characters (only a-z, A-Z and 0-9 are allowed), "
459 . "or is not between 3 and 20 characters in length."
460 );
461
462 $ns->{login_guard} = login_guard $user
463 or return $fail->("User name '$user' is in use - try another login name.");
464
465 cf::player::find $user
466 and return $fail->("User name '$user' is already registered - choose another login name.");
467
468 $reply->(1, "Account Created");
469
470 chargen $ns, $user, $pass;
471 });
472};
473
474cf::register_async_exticmd login => sub {
475 my ($ns, $reply, $user, $hash) = @_;
476
477 $ns->{addme}++ and return $ns->destroy;
478
479 $ns->async (sub {
480 $Coro::current->{desc} = "login($user)";
481
482 my $fail = sub {
483 $reply->(0, $_[0]);
484 $ns->flush; # does not ensure that the data reaches the client - TODO
485 # need to do this in another thread, as this one gets canceled
486 Coro::async_pool {
487 Coro::AnyEvent::sleep 0.1; # TODO, see above, extra hack
488 $ns->destroy if $ns->valid;
489 };
490 Coro::schedule; # do the destroy, should not return
491 };
492
493 $ns->{login_guard} = login_guard $user
494 or return $fail->("User '$user' is currently playing or logging in in another session. If that is your "
495 . "user name, make sure you are not running two clients. When in doubt, reboot.");
496
497 # try to read the user file and check the password
498 my $pl = cf::player::find $user
499 or return $fail->("User '$user' does not exist - wrong spelling?");
500
501 aio_stat $pl->path
502 and return $ns->destroy;
503
504 my $mtime = (stat _)[9];
505 my $token = $pl->password;
506
507 $token = $token =~ /^!/
508 ? Deliantra::Util::hash_pw pack "H*", substr $token, 1
509 : pack "H*", $token;
510
511 $token = Deliantra::Util::auth_pw $token, $ns->{nonces}[0], $ns->{nonces}[1];
512
513 $token eq $hash
514 or $cf::CFG{ext_login_nocheck}
515 or return $fail->("User exists, but the password doesn't match - check your spelling, NumLock/CapsLock etc.");
516
517 # player exists and passwords match - we can proceed
518
519 $reply->(1, "Success");
520
521 $pl->connect ($ns);
522 enter_map $pl;
523 login $pl;
524 });
525};
412 526
413cf::register_command password => sub { 527cf::register_command password => sub {
414 my ($pl, $arg) = @_; 528 my ($pl, $arg) = @_;
415 529
416 unless ($pl->flag (cf::FLAG_WIZ)) { 530 unless ($pl->flag (cf::FLAG_WIZ)) {
417 $pl->message ( 531 $pl->message (
418 "The password can currently only changed by a DM.", 532 "The password can currently only changed by a DM.",
419 cf::NDI_UNIQUE | cf::NDI_REPLY); 533 cf::NDI_UNIQUE | cf::NDI_REPLY);
420 return; 534 return;
421 } 535 }
536
537 $pl->message (#d#
538 "Passwords cannot currently be changed.",#d#
539 cf::NDI_UNIQUE | cf::NDI_REPLY);#d#
540 return;#d#
422 541
423 my (@args) = split /\s+/, $arg; 542 my (@args) = split /\s+/, $arg;
424 my ($player, $new_pw) = @args; 543 my ($player, $new_pw) = @args;
425 544
426 if ($pl->flag (cf::FLAG_WIZ) && $player eq '') { 545 if ($pl->flag (cf::FLAG_WIZ) && $player eq '') {

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