1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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6 | * |
5 | * |
7 | * Crossfire TRT is free software: you can redistribute it and/or modify |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | * it under the terms of the GNU General Public License as published by |
7 | * the terms of the Affero GNU General Public License as published by the |
9 | * the Free Software Foundation, either version 3 of the License, or |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | * (at your option) any later version. |
9 | * option) any later version. |
11 | * |
10 | * |
12 | * This program is distributed in the hope that it will be useful, |
11 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
14 | * GNU General Public License for more details. |
16 | * |
15 | * |
17 | * You should have received a copy of the GNU General Public License |
16 | * You should have received a copy of the Affero GNU General Public License |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
19 | * |
19 | * |
20 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
21 | */ |
21 | */ |
22 | |
22 | |
23 | using namespace std; |
23 | using namespace std; |
24 | |
24 | |
25 | #include <global.h> |
25 | #include <global.h> |
… | |
… | |
62 | } |
62 | } |
63 | else |
63 | else |
64 | return; |
64 | return; |
65 | } |
65 | } |
66 | |
66 | |
67 | if (socket_ev.poll () & PE_W) |
67 | if (socket_ev.poll () & EV_WRITE) |
68 | return; |
68 | return; |
69 | |
69 | |
70 | last_send = NOW; |
70 | last_send = NOW; |
71 | write_outputbuffer (); |
71 | write_outputbuffer (); |
72 | } |
72 | } |
… | |
… | |
99 | // just retry |
99 | // just retry |
100 | } |
100 | } |
101 | else if (errno == EAGAIN) |
101 | else if (errno == EAGAIN) |
102 | { |
102 | { |
103 | // delay till ready |
103 | // delay till ready |
104 | socket_ev.poll (socket_ev.poll () | PE_W); |
104 | socket_ev.poll (socket_ev.poll () | EV_WRITE); |
105 | socket_ev.start (); |
105 | socket_ev.start (); |
106 | return; |
106 | return; |
107 | } |
107 | } |
108 | else |
108 | else |
109 | { |
109 | { |
… | |
… | |
111 | destroy (); |
111 | destroy (); |
112 | return; |
112 | return; |
113 | } |
113 | } |
114 | } |
114 | } |
115 | |
115 | |
116 | socket_ev.poll (socket_ev.poll () & ~PE_W); |
116 | socket_ev.poll (socket_ev.poll () & ~EV_WRITE); |
117 | } |
117 | } |
118 | |
118 | |
119 | /****************************************************************************** |
119 | /****************************************************************************** |
120 | * |
120 | * |
121 | * Start of read routines. |
121 | * Start of read routines. |
… | |
… | |
156 | ****************************************************************************/ |
156 | ****************************************************************************/ |
157 | |
157 | |
158 | // SocketCommand, PlayingCommand, should not exist with those ugly casts |
158 | // SocketCommand, PlayingCommand, should not exist with those ugly casts |
159 | #define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), |
159 | #define SC(cb) (void *)static_cast<void (*)(char *, int, client *)>(cb), |
160 | #define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | |
160 | #define PC(cb) (void *)static_cast<void (*)(char *, int, player *)>(cb), PF_PLAYER | |
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161 | |
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162 | static void |
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163 | NopCmd (char *, int, client *) |
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164 | { |
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165 | // do nothing |
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166 | } |
161 | |
167 | |
162 | /** |
168 | /** |
163 | * Dispatch table for the server. |
169 | * Dispatch table for the server. |
164 | */ |
170 | */ |
165 | static struct packet_type packets[] = { |
171 | static struct packet_type packets[] = { |
… | |
… | |
180 | {"reply", SC(ReplyCmd) 0 }, |
186 | {"reply", SC(ReplyCmd) 0 }, |
181 | {"exti", SC(ExtiCmd) 0 }, // CF+ |
187 | {"exti", SC(ExtiCmd) 0 }, // CF+ |
182 | {"addme", SC(AddMeCmd) 0 }, |
188 | {"addme", SC(AddMeCmd) 0 }, |
183 | {"askface", SC(AskFaceCmd) 0 }, |
189 | {"askface", SC(AskFaceCmd) 0 }, |
184 | {"requestinfo", SC(RequestInfo) 0 }, |
190 | {"requestinfo", SC(RequestInfo) 0 }, |
185 | {"setfacemode", SC(SetFaceMode) 0 }, |
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186 | {"setsound", SC(SetSound) 0 }, |
191 | {"setsound", SC(SetSound) 0 }, |
187 | {"setup", SC(SetUp) 0 }, |
192 | {"setup", SC(SetUp) 0 }, |
188 | {"version", SC(VersionCmd) 0 }, |
193 | {"version", SC(VersionCmd) 0 }, |
189 | {"toggleextendedinfos", SC(ToggleExtendedInfos) 0 }, /*Added: tchize */ |
194 | |
190 | {"toggleextendedtext", SC(ToggleExtendedText) 0 }, /*Added: tchize */ |
195 | {"toggleextendedtext", SC(NopCmd) 0 }, |
191 | {"asksmooth", SC(AskSmooth) 0 }, /*Added: tchize (smoothing technologies) */ |
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192 | }; |
196 | }; |
193 | |
197 | |
194 | bool |
198 | bool |
195 | client::may_execute (const packet_type *pkt) const |
199 | client::may_execute (const packet_type *pkt) const |
196 | { |
200 | { |
… | |
… | |
216 | { |
220 | { |
217 | data += 6; |
221 | data += 6; |
218 | len -= 6; |
222 | len -= 6; |
219 | } |
223 | } |
220 | |
224 | |
221 | if (len > 4 && !strncmp (data, "say " , 4)) |
225 | if (len > 4 && data [ 3] == ' ' && !strncmp (data, "say " , 4)) return true; |
222 | return true; |
226 | if (len > 5 && data [ 4] == ' ' && !strncmp (data, "chat " , 5)) return true; |
223 | if (len > 5 && !strncmp (data, "chat ", 5)) |
227 | if (len > 6 && data [ 5] == ' ' && !strncmp (data, "shout " , 6)) return true; |
224 | return true; |
228 | if (len > 8 && data [ 7] == ' ' && !strncmp (data, "suicide " , 8)) return true; |
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229 | if (len > 18 && data [17] == ' ' && !strncmp (data, "accept-invitation ", 18)) return true; |
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230 | |
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231 | if (len == 7 && !strcmp (data, "suicide")) return true; |
225 | |
232 | |
226 | return false; |
233 | return false; |
227 | } |
234 | } |
228 | |
235 | |
229 | void |
236 | void |
… | |
… | |
231 | { |
238 | { |
232 | if (may_execute (pkt) || always_immediate (this, pkt, data, datalen)) |
239 | if (may_execute (pkt) || always_immediate (this, pkt, data, datalen)) |
233 | { |
240 | { |
234 | //TODO: only one format |
241 | //TODO: only one format |
235 | if (pkt->flags & PF_PLAYER) |
242 | if (pkt->flags & PF_PLAYER) |
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243 | { |
236 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
244 | ((void (*)(char *, int, player *))pkt->cb)((char *)data, datalen, pl); |
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245 | pl->need_updated_stats (); |
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246 | } |
237 | else |
247 | else |
238 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
248 | ((void (*)(char *, int, client *))pkt->cb)((char *)data, datalen, this); |
239 | } |
249 | } |
240 | else |
250 | else |
241 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); |
251 | send_packet_printf ("drawinfo %d ERROR: you cannot execute '%s' now.", NDI_RED | NDI_REPLY, pkt->name); |
… | |
… | |
254 | pl && pl->ob ? &pl->ob->name : "[anonymous]"); |
264 | pl && pl->ob ? &pl->ob->name : "[anonymous]"); |
255 | destroy (); |
265 | destroy (); |
256 | return false; |
266 | return false; |
257 | } |
267 | } |
258 | |
268 | |
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269 | uint8_t save_byte = inbuf [pkt_len]; // rather ugly |
259 | inbuf [pkt_len] = 0; /* Terminate buffer - useful for string data */ |
270 | inbuf [pkt_len] = 0; /* temporarily terminate buffer - useful for string data */ |
260 | |
271 | |
261 | /* First, break out beginning word. There are at least |
272 | /* First, break out beginning word. There are at least |
262 | * a few commands that do not have any paremeters. If |
273 | * a few commands that do not have any paremeters. If |
263 | * we get such a command, don't worry about trying |
274 | * we get such a command, don't worry about trying |
264 | * to break it up. |
275 | * to break it up. |
… | |
… | |
288 | goto next_packet; |
299 | goto next_packet; |
289 | } |
300 | } |
290 | |
301 | |
291 | // If we get here, we didn't find a valid command. |
302 | // If we get here, we didn't find a valid command. |
292 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); |
303 | send_packet_printf ("drawinfo %d ERROR: command '%s' not supported.", NDI_RED | NDI_REPLY, (char *)inbuf + 2); |
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304 | |
293 | next_packet: |
305 | next_packet: |
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306 | inbuf [pkt_len] = save_byte; // rather ugly |
294 | skip_packet (pkt_len); |
307 | skip_packet (pkt_len); |
295 | |
308 | |
296 | // input buffer has space again |
309 | // input buffer has space again |
297 | socket_ev.poll (socket_ev.poll () | PE_R); |
310 | socket_ev.poll (socket_ev.poll () | EV_READ); |
298 | |
311 | |
299 | return true; |
312 | return true; |
300 | } |
313 | } |
301 | |
314 | |
302 | // callback called when socket is either readable or writable |
315 | // callback called when socket is either readable or writable |
303 | void |
316 | void |
304 | client::socket_cb (iow &w, int got) |
317 | client::socket_cb (iow &w, int revents) |
305 | { |
318 | { |
306 | //TODO remove when we have better socket cleanup logic |
319 | //TODO remove when we have better socket cleanup logic |
307 | if (destroyed ()) |
320 | if (destroyed ()) |
308 | { |
321 | { |
309 | socket_ev.poll (0); |
322 | socket_ev.poll (0); |
310 | return; |
323 | return; |
311 | } |
324 | } |
312 | |
325 | |
313 | if (got & PE_W) |
326 | if (revents & EV_WRITE) |
314 | { |
327 | { |
315 | write_outputbuffer (); |
328 | write_outputbuffer (); |
316 | |
329 | |
317 | if (!outputbuffer.len) |
330 | if (!outputbuffer.len) |
318 | socket_ev.poll (socket_ev.poll () & ~PE_W); |
331 | socket_ev.poll (socket_ev.poll () & ~EV_WRITE); |
319 | } |
332 | } |
320 | |
333 | |
321 | if (got & PE_R) |
334 | if (revents & EV_READ) |
322 | { |
335 | { |
323 | //TODO: rate-limit tcp connection in better ways, important |
336 | //TODO: rate-limit tcp connection in better ways, important |
324 | |
337 | |
325 | int amount = sizeof (inbuf) - inbuf_len; |
338 | int amount = sizeof (inbuf) - inbuf_len; |
326 | |
339 | |
327 | if (!amount) |
340 | if (!amount) |
328 | { |
341 | { |
329 | // input buffer full |
342 | // input buffer full |
330 | socket_ev.poll (socket_ev.poll () & ~PE_R); |
343 | socket_ev.poll (socket_ev.poll () & ~EV_READ); |
331 | return; |
344 | return; |
332 | } |
345 | } |
333 | |
346 | |
334 | amount = read (fd, inbuf + inbuf_len, amount); |
347 | amount = read (fd, inbuf + inbuf_len, amount); |
335 | |
348 | |
… | |
… | |
473 | va_end (ap); |
486 | va_end (ap); |
474 | |
487 | |
475 | send_packet (sl); |
488 | send_packet (sl); |
476 | } |
489 | } |
477 | |
490 | |
478 | // returns true when the message needs special (read: perl) treatment |
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479 | static bool |
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480 | msg_is_special (const char *msg) |
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481 | { |
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482 | return msg [strcspn (msg, "<[&\n")]; |
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483 | } |
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484 | |
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485 | void |
491 | void |
486 | client::send_msg (int color, const char *type, const char *msg) |
492 | client::send_msg (int color, const char *type, const char *msg) |
487 | { |
493 | { |
488 | if (!msg || !type) // it can happen (for example, missing attack messages cause this) |
494 | if (!msg || !type) // it can happen (for example, missing attack messages cause this) |
489 | { |
495 | { |
… | |
… | |
491 | return; |
497 | return; |
492 | } |
498 | } |
493 | |
499 | |
494 | int len = strlen (msg); |
500 | int len = strlen (msg); |
495 | |
501 | |
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502 | if (!(color & NDI_VERBATIM) |
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503 | && (msg_is_special (msg) |
496 | if (msg_is_special (msg) || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128)) |
504 | || (type [0] == 'c' && type [1] == '/') || len > (MAXSOCKBUF - 128))) |
497 | cfperl_send_msg (this, color, type, msg); |
505 | cfperl_send_msg (this, color, type, msg); |
498 | else if (can_msg) |
506 | else |
499 | send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); |
507 | send_packet_printf ("msg %d %s %s", color & NDI_CLIENT_MASK, type, msg); |
500 | else if (color < 0) |
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501 | return; // client cannot handle this |
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502 | else |
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503 | send_packet_printf ("drawinfo %d %s", color & NDI_COLOR_MASK, msg); |
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504 | } |
508 | } |
505 | |
509 | |
506 | void |
510 | void |
507 | client::send_drawinfo (const char *msg, int flags) |
511 | client::send_drawinfo (const char *msg, int flags) |
508 | { |
512 | { |