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; |
7 | |
7 | |
8 | my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; |
8 | my $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 |
|
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11 | sub nuke_str { |
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12 | substr $_[0], 0, (length $_[0]), "x" x length $_[0] |
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13 | } |
11 | |
14 | |
12 | sub query { |
15 | sub query { |
13 | my ($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 | $current |
20 | } |
23 | } |
21 | |
24 | |
22 | sub can_cleanup { |
25 | sub can_cleanup { |
23 | my ($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 | || $age > 700 * 86400 # 2 years for everybody else |
32 | } |
35 | } |
33 | |
36 | |
34 | sub check_playing { |
37 | sub check_playing { |
35 | my ($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 | $ns->send_drawinfo ( |
40 | "That player is already logged in on this server. " |
43 | "That player is already logged in on this server. " |
41 | . "If you want to create a new player, choose another name. " |
44 | . "If you want to create a new player, choose another name. " |
42 | . "If you are already a registered player, make sure nobody " |
45 | . "If you are already a registered player, make sure nobody " |
… | |
… | |
49 | ); |
52 | ); |
50 | |
53 | |
51 | 1 |
54 | 1 |
52 | } |
55 | } |
53 | |
56 | |
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57 | sub check_clean_save { |
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58 | my ($pl) = @_; |
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59 | |
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60 | if (my $time = delete $pl->{unclean_save}) { |
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61 | $pl->ns->send_drawinfo ( |
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62 | "You didn't use a savebed to leave this realm. This is very dangerous, " |
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63 | . "as lots of things could happen when you leave by other means, such as cave-ins, " |
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64 | . "or monsters suddenly snapping your body. Better use a savebed next time.", |
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65 | cf::NDI_RED |
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66 | ); |
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67 | #d#TODO |
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68 | } |
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69 | } |
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70 | |
54 | # delete a player directory, be non-blocking AND synchronous... |
71 | # delete a player directory, be non-blocking AND synchronous... |
55 | # (thats hard, so we crap out and fork). |
72 | # (thats hard, so we crap out and fork). |
56 | sub nuke_playerdir { |
73 | sub nuke_playerdir { |
57 | my ($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$Coro::current\E~deleting~ &)"; |
63 | } |
80 | } |
64 | |
81 | |
65 | sub on_addme { |
82 | sub addme { |
66 | my ($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 (;;) { |
… | |
… | |
120 | . "that cannot be too much to ask for :)", |
137 | . "that cannot be too much to ask for :)", |
121 | cf::NDI_RED |
138 | cf::NDI_RED |
122 | ); |
139 | ); |
123 | } |
140 | } |
124 | |
141 | |
125 | my $dir = "$PLAYERDIR/$user"; |
|
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126 | my $plfile = "$dir/$user.pl"; |
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127 | |
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128 | # lock this username for the remainder of this login session |
142 | # lock this username for the remainder of this login session |
129 | if ($cf::LOGIN_LOCK{$user}) { |
143 | if ($cf::LOGIN_LOCK{$user}) { |
130 | $ns->send_drawinfo ( |
144 | $ns->send_drawinfo ( |
131 | "That username is currently used in another login session. " |
145 | "That username is currently used in another login session. " |
132 | . "Chose another, or wait till the other session has ended.", |
146 | . "Chose another, or wait till the other session has ended.", |
… | |
… | |
137 | local $cf::LOGIN_LOCK{$user} = 1; |
151 | local $cf::LOGIN_LOCK{$user} = 1; |
138 | |
152 | |
139 | check_playing $ns, $user and next; |
153 | check_playing $ns, $user and next; |
140 | |
154 | |
141 | # try to read the user file and check the password |
155 | # try to read the user file and check the password |
142 | if (my $fh = aio_open $plfile, O_RDONLY, 0) { |
156 | if (my $pl = cf::player::find $user) { |
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157 | aio_stat $pl->path and next; |
143 | my $mtime = (stat $fh)[9]; |
158 | my $mtime = (stat _)[9]; |
144 | |
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145 | 0 < aio_read $fh, 0, 16384, my $buf, 0 or next; |
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146 | $buf =~ /^password (\S+)$/m or next; |
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147 | my $hash = $1; |
159 | my $hash = $pl->password; |
148 | |
160 | |
149 | if ($hash eq crypt $pass, $hash) { |
161 | if ($cf::CFG{ext_login_nocheck} or $hash eq crypt $pass, $hash) { |
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162 | nuke_str $pass; |
150 | # password matches, wonderful |
163 | # password matches, wonderful |
151 | my $pl = cf::player::load $plfile or next; |
164 | my $pl = cf::player::find $user or next; |
152 | $pl->enable_save (1); |
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153 | $pl->connect ($ns); |
165 | $pl->connect ($ns); |
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166 | check_clean_save $pl; |
154 | last; |
167 | last; |
155 | } elsif (can_cleanup $buf, $mtime) { |
168 | } elsif (can_cleanup $pl, $mtime) { |
156 | Coro::Timer::sleep 1; |
169 | Coro::Timer::sleep 1; |
157 | |
170 | |
158 | $ns->send_drawinfo ( |
171 | $ns->send_drawinfo ( |
159 | "Player exists, but password does not match. If this is your account, " |
172 | "Player exists, but password does not match. If this is your account, " |
160 | . "please try again. If not, you can now decide to take over this account " |
173 | . "please try again. If not, you can now decide to take over this account " |
161 | . "because it has not been in-use for some time.", |
174 | . "because it has not been in-use for some time.", |
162 | cf::NDI_RED |
175 | cf::NDI_RED |
163 | ); |
176 | ); |
164 | |
177 | |
|
|
178 | #TODO: nuke_str |
165 | (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]/ |
166 | or next; |
180 | or next; |
167 | |
181 | |
168 | # check if the file hasn't changed |
182 | # check if the file hasn't changed |
169 | aio_stat $plfile and next; |
183 | aio_stat cf::player::path $user and next; |
170 | $mtime == (stat _)[9] or next; |
184 | $mtime == (stat _)[9] or next; |
171 | |
185 | |
172 | nuke_playerdir $user; |
186 | $pl->quit_character; |
173 | |
187 | |
174 | # fall through to creation |
188 | # fall through to creation |
175 | } else { |
189 | } else { |
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190 | nuke_str $pass; |
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191 | |
176 | Coro::Timer::sleep 1; |
192 | Coro::Timer::sleep 1; |
177 | |
193 | |
178 | $ns->send_drawinfo ( |
194 | $ns->send_drawinfo ( |
179 | "Wrong username or password. Please try again " |
195 | "Wrong username or password. Please try again " |
180 | . "(check for Numlock and other semi-obvious error sources).", |
196 | . "(check for Numlock and other semi-obvious error sources).", |
… | |
… | |
190 | nuke_playerdir $user; |
206 | nuke_playerdir $user; |
191 | |
207 | |
192 | my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again."; |
208 | my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again."; |
193 | |
209 | |
194 | if ($pass2 ne $pass) { |
210 | if ($pass2 ne $pass) { |
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211 | nuke_str $pass; |
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212 | nuke_str $pass2; |
195 | $ns->send_drawinfo ( |
213 | $ns->send_drawinfo ( |
196 | "The passwords do not match, please try again.", |
214 | "The passwords do not match, please try again.", |
197 | cf::NDI_RED |
215 | cf::NDI_RED |
198 | ); |
216 | ); |
199 | next; |
217 | next; |
200 | } |
218 | } |
201 | |
219 | |
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220 | nuke_str $pass2; |
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221 | |
202 | my $pl = cf::player::create; |
222 | my $pl = cf::player::new $user; |
203 | $pl->ob->name ($user); |
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204 | $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]); |
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224 | nuke_str $pass; |
205 | $pl->connect ($ns); |
225 | $pl->connect ($ns); |
206 | |
226 | |
207 | my $ob = $pl->ob; |
227 | my $ob = $pl->ob; |
208 | |
228 | |
209 | while () { |
229 | while () { |
… | |
… | |
232 | $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); |
252 | $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); |
233 | $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, |
253 | $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, |
234 | "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"); |
235 | |
255 | |
236 | $ns->state (cf::ST_CHANGE_CLASS); |
256 | $ns->state (cf::ST_CHANGE_CLASS); |
237 | $pl->enable_save (1);#d# too early |
257 | delete $pl->{deny_save};#d# too early |
238 | |
258 | |
239 | last; |
259 | last; |
240 | } |
260 | } |
241 | }); |
261 | }); |
242 | } |
262 | } |
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263 | |
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264 | cf::register_command quit => sub { |
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265 | my ($ob, $arg) = @_; |
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266 | |
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267 | $ob->reply (undef, |
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268 | "Quitting will delete your character PERMANENTLY: It will be gone forever and any progress will be lost. " |
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269 | . "If you are sure you want to do this, then use the quit_character command instead of quit.", |
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270 | cf::NDI_UNIQUE | cf::NDI_RED); |
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271 | }; |
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272 | |
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273 | cf::register_command quit_character => sub { |
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274 | my ($ob, $arg) = @_; |
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275 | |
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276 | my $pl = $ob->contr; |
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277 | |
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278 | $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to PERMANENTLY delete your character and all associated data (y/n)?", sub { |
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279 | if ($_[0] !~ /^[yY]/) { |
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280 | $ob->reply (undef, |
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281 | "Ok, not not quitting then.", |
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282 | cf::NDI_UNIQUE | cf::NDI_RED); |
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283 | } else { |
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284 | $ob->reply (undef, |
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285 | "Ok, quitting, hope to see you again.", |
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286 | cf::NDI_UNIQUE | cf::NDI_RED); |
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287 | $pl->ns->flush; |
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288 | $pl->quit_character; |
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289 | } |
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290 | }); |
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291 | }; |
243 | |
292 | |
244 | cf::object->attach ( |
293 | cf::object->attach ( |
245 | type => cf::SAVEBED, |
294 | type => cf::SAVEBED, |
246 | on_apply => sub { |
295 | on_apply => sub { |
247 | my ($bed, $ob) = @_; |
296 | my ($bed, $ob) = @_; |
248 | |
297 | |
249 | return cf::override 0 unless $ob->type == cf::PLAYER; |
298 | return cf::override 0 unless $ob->type == cf::PLAYER; |
250 | |
299 | |
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300 | my $pl = $ob->contr; |
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301 | |
251 | # update respawn position |
302 | # update respawn position |
252 | $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); |
303 | $pl->savebed ($bed->map->path, $bed->x, $bed->y); |
|
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304 | cf::async { $pl->save }; |
253 | |
305 | |
254 | $ob->contr->killer ("left"); |
306 | $pl->killer ("left"); |
255 | $ob->check_score; |
307 | $ob->check_score; |
256 | |
308 | |
257 | $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."); |
258 | $ob->contr->save (1); |
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259 | |
310 | |
260 | $ob->contr->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 { |
261 | $ob->contr->enable_save (1); |
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|
262 | if ($_[0] !~ /^[yY]/) { |
312 | if ($_[0] !~ /^[yY]/) { |
263 | $ob->contr->save (1); |
313 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1); |
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314 | $pl->deactivate; |
264 | $ob->contr->ns->destroy; |
315 | $pl->ns->destroy; |
|
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316 | } else { |
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317 | cf::async { $pl->save }; |
265 | } |
318 | } |
266 | }); |
319 | }); |
267 | }, |
320 | }, |
268 | ); |
321 | ); |
269 | |
322 | |
270 | cf::client->attach (package => __PACKAGE__); |
323 | cf::player->attach ( |
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324 | on_login => sub { |
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325 | my ($pl) = @_; |
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326 | my $name = $pl->ob->name; |
271 | |
327 | |
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328 | $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
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329 | }, |
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330 | on_logout => sub { |
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331 | my ($pl, $cleanly) = @_; |
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332 | my $name = $pl->ob->name; |
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333 | |
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334 | if ($cleanly) { |
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335 | $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
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336 | } else { |
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337 | $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list; |
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338 | $pl->{unclean_save} = $cf::RUNTIME; |
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339 | } |
|
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340 | }, |
|
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341 | ); |
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342 | |
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343 | cf::client->attach ( |
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344 | on_addme => \&addme, |
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345 | ); |
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346 | |
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347 | ############################################################################# |
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348 | |
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349 | our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs |
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350 | our $SAVE_TIMEOUT = 20; # save players every n seconds |
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351 | |
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352 | our $SCHEDULER = cf::async_ext { |
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353 | my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL); |
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354 | while () { |
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355 | $schedule_interval->next; |
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356 | |
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357 | # this weird form of iteration over values is used because |
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358 | # the hash changes underneath us frequently, and for |
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359 | # keeps a direct reference to the value without (in 5.8 perls) |
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360 | # keeping a reference, so this is prone to crashes or worse. |
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361 | my @players = keys %cf::PLAYER; |
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362 | for (@players) { |
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363 | my $pl = $cf::PLAYER{$_} |
|
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364 | or next; |
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365 | $pl->valid or next; |
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366 | |
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367 | eval { |
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368 | if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
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369 | $cf::WAIT_FOR_TICK_ONE->wait; |
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370 | $pl->save; |
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371 | |
|
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372 | unless ($pl->active) { |
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373 | # check refcounts, this is tricky and needs to be adjusted to fit server internals |
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374 | my $ob = $pl->ob; |
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375 | Scalar::Util::weaken $pl; |
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376 | Scalar::Util::weaken $ob; |
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377 | my $a_ = $pl->refcnt;#d# |
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378 | my $b_ = $ob->refcnt;#d# |
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379 | my $pl_ref = $pl->refcnt_cnt; |
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380 | my $ob_ref = $ob->refcnt_cnt; |
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381 | |
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382 | ## pl_ref == one from object + one from cf::PLAYER |
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383 | ## ob_ref == one from simply being an object |
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384 | #TODO: the above should be correct, understand the 1/0, respectively |
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385 | if ($pl_ref == 1 && $ob_ref == 0) { |
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386 | warn "player-scheduler destroy ", $ob->name;#d# |
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387 | |
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388 | # remove from sight and get fresh "copies" |
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389 | $pl = delete $cf::PLAYER{$ob->name}; |
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390 | $ob = $pl->ob; |
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391 | |
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392 | $ob->destroy; |
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393 | $pl->destroy; |
|
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394 | } else { |
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395 | warn "player-scheduler refcnt ", $ob->name, " $pl_ref,$a_ $ob_ref,$b_\n";#d# |
|
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396 | } |
|
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397 | } |
|
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398 | } |
|
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399 | }; |
|
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400 | warn $@ if $@; |
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401 | Coro::cede; |
|
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402 | }; |
|
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403 | } |
|
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404 | }; |
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405 | |
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406 | $SCHEDULER->prio (1); |
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407 | |