1 | #! perl |
1 | #! perl # MANDATORY |
2 | |
2 | |
3 | # login handling |
3 | # login handling |
4 | |
4 | |
5 | use Fcntl; |
5 | use Fcntl; |
6 | use Coro::AIO; |
6 | use Coro::AIO; |
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7 | use List::Util qw(min max); |
7 | |
8 | |
8 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
9 | my $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 |
11 | sub nuke_str { |
12 | sub nuke_str { |
… | |
… | |
21 | |
22 | |
22 | $current |
23 | $current |
23 | } |
24 | } |
24 | |
25 | |
25 | sub can_cleanup { |
26 | sub can_cleanup { |
26 | my ($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 | || $age > 700 * 86400 # 2 years for everybody else |
… | |
… | |
55 | } |
56 | } |
56 | |
57 | |
57 | sub check_clean_save { |
58 | sub check_clean_save { |
58 | my ($pl) = @_; |
59 | my ($pl) = @_; |
59 | |
60 | |
60 | unless (delete $pl->{clean_save}) { |
61 | if (my $time = delete $pl->{unclean_save}) { |
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62 | $pl->ns->send_drawinfo ( |
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63 | "You didn't use a savebed to leave this realm. This is very dangerous, " |
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64 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
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65 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
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66 | cf::NDI_RED |
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67 | ); |
61 | #d#TODO |
68 | #d#TODO |
62 | } |
69 | } |
63 | } |
70 | } |
64 | |
71 | |
65 | # delete a player directory, be non-blocking AND synchronous... |
72 | # delete a player directory, be non-blocking AND synchronous... |
… | |
… | |
74 | } |
81 | } |
75 | |
82 | |
76 | sub addme { |
83 | sub addme { |
77 | my ($ns) = @_; |
84 | my ($ns) = @_; |
78 | |
85 | |
79 | $ns->destroy if $ns->pl; |
86 | if (!$ns->facecache) |
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87 | { |
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88 | $ns->send_drawinfo (<<EOF, cf::NDI_RED); |
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89 | |
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90 | |
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91 | *** |
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92 | *** WARNING: |
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93 | *** Your client does not support face/image caching, |
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94 | *** or it has been disabled. Face caching is mandatory |
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95 | *** so please enable it or use a newer client. |
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96 | *** |
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97 | *** Look at your client preferences: |
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98 | *** |
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99 | *** CFPlus: all known versions automatically enable the facecache. |
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100 | *** cfclient: use the -cache commandline option. |
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101 | *** cfclient: map will not redraw automatically (bug). |
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102 | *** gcfclient: use -cache commandline option, or enable |
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103 | *** gcfclient: Client=>Configure=>Map & Image=>Cache Images. |
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104 | *** jcrossclient: your client is broken, use CFPlus or gcfclient. |
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105 | *** |
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106 | *** |
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107 | EOF |
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108 | if ($ns->version =~ /jcrossclient/) { |
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109 | # let them, for now |
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110 | } else { |
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111 | $ns->flush; |
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112 | return $ns->destroy; |
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113 | } |
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114 | |
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115 | # $ns->facecache = true; |
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116 | } |
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117 | |
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118 | $ns->pl and return $ns->destroy; |
80 | |
119 | |
81 | $ns->async (sub { |
120 | $ns->async (sub { |
82 | my ($user, $pass); |
121 | my ($user, $pass); |
83 | |
122 | |
84 | $ns->send_packet ("addme_success"); |
123 | $ns->send_packet ("addme_success"); |
… | |
… | |
99 | $ns->send_drawinfo ( |
138 | $ns->send_drawinfo ( |
100 | "That username is currently used in another login session. " |
139 | "That username is currently used in another login session. " |
101 | . "Chose another, or wait till the other session has ended.", |
140 | . "Chose another, or wait till the other session has ended.", |
102 | cf::NDI_RED |
141 | cf::NDI_RED |
103 | ); |
142 | ); |
104 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}$/) { |
143 | } elsif ($user =~ /^[a-zA-Z0-9][a-zA-Z0-9\-_]{2,17}\z/) { |
105 | last; |
144 | last; |
106 | } else { |
145 | } else { |
107 | $ns->send_drawinfo ( |
146 | $ns->send_drawinfo ( |
108 | "Your username contains illegal characters " |
147 | "Your username contains illegal characters " |
109 | . "(only a-z, A-Z and 0-9 are allowed), " |
148 | . "(only a-z, A-Z and 0-9 are allowed), " |
… | |
… | |
145 | local $cf::LOGIN_LOCK{$user} = 1; |
184 | local $cf::LOGIN_LOCK{$user} = 1; |
146 | |
185 | |
147 | check_playing $ns, $user and next; |
186 | check_playing $ns, $user and next; |
148 | |
187 | |
149 | # try to read the user file and check the password |
188 | # try to read the user file and check the password |
150 | if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) { |
189 | if (my $pl = cf::player::find $user) { |
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190 | aio_stat $pl->path and next; |
151 | my $mtime = (stat $fh)[9]; |
191 | my $mtime = (stat _)[9]; |
152 | |
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153 | 0 < aio_read $fh, 0, 16384, my $buf, 0 or next; |
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154 | $buf =~ /^password (\S+)$/m or next; |
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155 | my $hash = $1; |
192 | my $hash = $pl->password; |
156 | |
193 | |
157 | if ($hash eq crypt $pass, $hash) { |
194 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
158 | nuke_str $pass; |
195 | nuke_str $pass; |
159 | # password matches, wonderful |
196 | # password matches, wonderful |
160 | my $pl = cf::player::find $user or next; |
197 | my $pl = cf::player::find $user or next; |
161 | $pl->connect ($ns); |
198 | $pl->connect ($ns); |
162 | check_clean_save $pl; |
199 | check_clean_save $pl; |
163 | $pl->{clean_save} = 1; |
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164 | last; |
200 | last; |
165 | } elsif (can_cleanup $buf, $mtime) { |
201 | } elsif (can_cleanup $pl, $mtime) { |
166 | Coro::Timer::sleep 1; |
202 | Coro::Timer::sleep 1; |
167 | |
203 | |
168 | $ns->send_drawinfo ( |
204 | $ns->send_drawinfo ( |
169 | "Player exists, but password does not match. If this is your account, " |
205 | "Player exists, but password does not match. If this is your account, " |
170 | . "please try again. If not, you can now decide to take over this account " |
206 | . "please try again. If not, you can now decide to take over this account " |
… | |
… | |
178 | |
214 | |
179 | # check if the file hasn't changed |
215 | # check if the file hasn't changed |
180 | aio_stat cf::player::path $user and next; |
216 | aio_stat cf::player::path $user and next; |
181 | $mtime == (stat _)[9] or next; |
217 | $mtime == (stat _)[9] or next; |
182 | |
218 | |
183 | nuke_playerdir $user; |
219 | $pl->quit_character; |
184 | |
220 | |
185 | # fall through to creation |
221 | # fall through to creation |
186 | } else { |
222 | } else { |
187 | nuke_str $pass; |
223 | nuke_str $pass; |
188 | |
224 | |
… | |
… | |
280 | } else { |
316 | } else { |
281 | $ob->reply (undef, |
317 | $ob->reply (undef, |
282 | "Ok, quitting, hope to see you again.", |
318 | "Ok, quitting, hope to see you again.", |
283 | cf::NDI_UNIQUE | cf::NDI_RED); |
319 | cf::NDI_UNIQUE | cf::NDI_RED); |
284 | $pl->ns->flush; |
320 | $pl->ns->flush; |
285 | $pl->quit_character; |
321 | cf::async { $pl->quit_character }; |
286 | } |
322 | } |
287 | }); |
323 | }); |
288 | }; |
324 | }; |
289 | |
325 | |
290 | cf::object->attach ( |
326 | cf::object->attach ( |
… | |
… | |
292 | on_apply => sub { |
328 | on_apply => sub { |
293 | my ($bed, $ob) = @_; |
329 | my ($bed, $ob) = @_; |
294 | |
330 | |
295 | return cf::override 0 unless $ob->type == cf::PLAYER; |
331 | return cf::override 0 unless $ob->type == cf::PLAYER; |
296 | |
332 | |
297 | my $pl = $ob->pl; |
333 | my $pl = $ob->contr; |
298 | |
334 | |
299 | # update respawn position |
335 | # update respawn position |
300 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
336 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
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337 | cf::async { $pl->save }; |
301 | |
338 | |
302 | $pl->killer ("left"); |
339 | $pl->killer ("left"); |
303 | $ob->check_score; |
340 | $ob->check_score; |
304 | |
341 | |
305 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
342 | $ob->reply (undef, "In the future, you will wake up here when you die."); |
… | |
… | |
329 | |
366 | |
330 | if ($cleanly) { |
367 | if ($cleanly) { |
331 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
368 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
332 | } else { |
369 | } else { |
333 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
370 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
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371 | $pl->{unclean_save} = $cf::RUNTIME; |
334 | } |
372 | } |
335 | }, |
373 | }, |
336 | ); |
374 | ); |
337 | |
375 | |
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376 | sub setup { |
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377 | my ($ns, $args) = @_; |
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378 | |
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379 | # run through the cmds of setup |
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380 | # syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ... |
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381 | # |
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382 | # we send the status of the cmd back, or a FALSE is the cmd is the server unknown |
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383 | # The client then must sort this out |
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384 | |
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385 | my %setup = split / +/, $args; |
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386 | while (my ($k, $v) = each %setup) { |
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387 | |
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388 | if ($k eq "sound") { |
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389 | $ns->sound ($v); |
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390 | |
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391 | } elsif ($k eq "exp64") { |
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392 | $setup{$k} = 1; |
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393 | |
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394 | } elsif ($k eq "spellmon") { |
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395 | $ns->monitor_spells ($v); |
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396 | |
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397 | } elsif ($k eq "darkness") { |
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398 | $ns->darkness ($v); |
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399 | |
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400 | } elsif ($k eq "map1cmd") { |
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401 | $ns->mapmode (cf::Map1Cmd) if $v > 0; |
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402 | |
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403 | } elsif ($k eq "map1acmd") { |
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404 | $ns->mapmode (cf::Map1aCmd) if $v > 0; |
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405 | |
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406 | } elsif ($k eq "newmapcmd") { |
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407 | $ns->newmapcmd ($v); |
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408 | |
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409 | } elsif ($k eq "mapinfocmd") { |
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410 | $ns->mapinfocmd ($v); |
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411 | |
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412 | } elsif ($k eq "extcmd") { |
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413 | $ns->extcmd ($v > 0); |
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414 | |
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415 | } elsif ($k eq "extmap") { |
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416 | $ns->extmap ($v); |
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417 | |
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418 | } elsif ($k eq "facecache") { |
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419 | $ns->facecache ($v); |
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420 | |
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421 | } elsif ($k eq "faceset") { |
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422 | $ns->faceset (0); |
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423 | $setup{$k} = 0; |
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424 | # $ns->image2 (1) |
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425 | |
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426 | } elsif ($k eq "itemcmd") { |
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427 | # Version of the item protocol command to use. Currently, |
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428 | # only supported versions are 1 and 2. Using a numeric |
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429 | # value will make it very easy to extend this in the future. |
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430 | $ns->itemcmd ($v) if $v >= 1 && $v <= 2; |
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431 | |
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432 | $setup{$k} = $ns->itemcmd; |
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433 | |
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434 | } elsif ($k eq "mapsize") { |
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435 | my ($x, $y) = split /x/, $v; |
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436 | |
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437 | $ns->mapx ($x = max 9, min cf::MAP_CLIENT_X, $x); |
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438 | $ns->mapy ($y = max 9, min cf::MAP_CLIENT_Y, $y); |
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439 | |
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440 | $setup{$k} = "${x}x${y}"; |
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441 | |
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442 | } elsif ($k eq "extendedMapInfos") { |
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443 | $ns->ext_mapinfos ($v); |
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444 | |
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445 | } elsif ($k eq "extendedTextInfos") { |
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446 | $ns->has_readable_type ($v); |
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447 | |
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448 | } else { |
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449 | # other commands: |
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450 | # sexp: no idea, probably for oudated servers |
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451 | # tick: more stupidity, server should sned a tick per tick |
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452 | |
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453 | $setup{$k} = "FALSE"; |
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454 | } |
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455 | } |
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456 | |
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457 | $ns->send_packet (join " ", setup => %setup); |
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458 | |
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459 | cf::datalog setup => |
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460 | request => $args, |
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461 | reply => \%setup, |
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462 | client => $ns->version, |
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463 | ; |
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464 | } |
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465 | |
338 | cf::client->attach ( |
466 | cf::client->attach ( |
339 | on_addme => \&addme, |
467 | on_addme => \&addme, |
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468 | on_setup => \&setup, |
340 | ); |
469 | ); |
341 | |
470 | |
342 | ############################################################################# |
471 | ############################################################################# |
343 | |
472 | |
344 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
473 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
345 | our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory |
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346 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
474 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
347 | our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL |
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348 | |
475 | |
349 | our $SCHEDULER = cf::async_ext { |
476 | our $SCHEDULER = cf::async_ext { |
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477 | my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL); |
350 | while () { |
478 | while () { |
351 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
479 | $schedule_interval->next; |
352 | |
480 | |
353 | # this weird form of iteration over values is used because |
481 | # this weird form of iteration over values is used because |
354 | # the hash changes underneath us frequently, and for |
482 | # the hash changes underneath us frequently, and for |
355 | # keeps a direct reference to the value without (in 5.8 perls) |
483 | # keeps a direct reference to the value without (in 5.8 perls) |
356 | # keeping a reference, so this is prone to crashes or worse. |
484 | # keeping a reference, so this is prone to crashes or worse. |
… | |
… | |
360 | or next; |
488 | or next; |
361 | $pl->valid or next; |
489 | $pl->valid or next; |
362 | |
490 | |
363 | eval { |
491 | eval { |
364 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
492 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
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493 | $cf::WAIT_FOR_TICK_ONE->wait; |
365 | $pl->save; |
494 | $pl->save; |
366 | Coro::Timer::sleep $SAVE_INTERVAL; |
495 | |
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496 | unless ($pl->active) { |
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497 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
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498 | my $ob = $pl->ob; |
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499 | Scalar::Util::weaken $pl; |
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500 | Scalar::Util::weaken $ob; |
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501 | my $a_ = $pl->refcnt;#d# |
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502 | my $b_ = $ob->refcnt;#d# |
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503 | my $pl_ref = $pl->refcnt_cnt; |
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504 | my $ob_ref = $ob->refcnt_cnt; |
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505 | |
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506 | ## pl_ref == one from object + one from cf::PLAYER |
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507 | ## ob_ref == one from simply being an object |
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508 | if ($pl_ref == 2 && $ob_ref == 1) { |
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509 | warn "player-scheduler destroy ", $ob->name;#d# |
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510 | |
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511 | # remove from sight and get fresh "copies" |
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512 | $pl = delete $cf::PLAYER{$ob->name}; |
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513 | $ob = $pl->ob; |
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514 | |
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515 | $ob->destroy; |
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516 | $pl->destroy; |
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517 | } else { |
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518 | warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d# |
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519 | } |
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520 | } |
367 | } |
521 | } |
368 | }; |
522 | }; |
369 | warn $@ if $@; |
523 | warn $@ if $@; |
370 | Coro::cede; |
524 | Coro::cede; |
371 | }; |
525 | }; |