| 1 | |
1 | |
| 2 | /* |
2 | /* |
| 3 | * static char *rcsid_loop_c = |
3 | * static char *rcsid_loop_c = |
| 4 | * "$Id: loop.C,v 1.2 2006/08/24 13:13:49 root Exp $"; |
4 | * "$Id: loop.C,v 1.3 2006/08/29 08:01:38 root Exp $"; |
| 5 | */ |
5 | */ |
| 6 | |
6 | |
| 7 | /* |
7 | /* |
| 8 | CrossFire, A Multiplayer game for X-windows |
8 | CrossFire, A Multiplayer game for X-windows |
| 9 | |
9 | |
| … | |
… | |
| 156 | |
156 | |
| 157 | /* find the first space, make it null, and update the |
157 | /* find the first space, make it null, and update the |
| 158 | * params pointer. |
158 | * params pointer. |
| 159 | */ |
159 | */ |
| 160 | for (cp = buf; *cp != '\0'; cp++) |
160 | for (cp = buf; *cp != '\0'; cp++) |
| 161 | if (*cp==' ') { |
161 | if (*cp==' ') { |
| 162 | *cp = '\0'; |
162 | *cp = '\0'; |
| 163 | params = cp + 1; |
163 | params = cp + 1; |
| 164 | break; |
164 | break; |
| 165 | } |
165 | } |
| 166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
166 | if (!strcmp(buf, "image_info")) send_image_info(ns, params); |
| 167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
167 | else if (!strcmp(buf,"image_sums")) send_image_sums(ns, params); |
| 168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
168 | else if (!strcmp(buf,"skill_info")) send_skill_info(ns, params); |
| 169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
169 | else if (!strcmp(buf,"spell_paths")) send_spell_paths(ns, params); |
| 170 | else Write_String_To_Socket(ns, bigbuf, len); |
170 | else Write_String_To_Socket(ns, bigbuf, len); |
| … | |
… | |
| 185 | * we basically read a byte at a time until we get a newline, error, |
185 | * we basically read a byte at a time until we get a newline, error, |
| 186 | * or no more characters to read. |
186 | * or no more characters to read. |
| 187 | */ |
187 | */ |
| 188 | do { |
188 | do { |
| 189 | /* hack to disable old socket mode without creating too many conflicts */ |
189 | /* hack to disable old socket mode without creating too many conflicts */ |
| 190 | if (1 || ns->inbuf.len >= MAXSOCKBUF-1) { |
190 | if (1 || ns->inbuf.len >= MAXSOCKBUF-1) { |
| 191 | ns->status = Ns_Dead; |
191 | ns->status = Ns_Dead; |
| 192 | LOG(llevDebug, "Old input socket sent too much data without newline\n"); |
192 | LOG(llevDebug, "Old input socket sent too much data without newline\n"); |
| 193 | return; |
193 | return; |
| 194 | } |
194 | } |
| 195 | #ifdef WIN32 /* ***win32: change oldsocket read() to recv() */ |
195 | #ifdef WIN32 /* ***win32: change oldsocket read() to recv() */ |
| 196 | stat = recv(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1,0); |
196 | stat = recv(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1,0); |
| 197 | |
197 | |
| 198 | if (stat==-1 && WSAGetLastError() !=WSAEWOULDBLOCK) { |
198 | if (stat==-1 && WSAGetLastError() !=WSAEWOULDBLOCK) { |
| 199 | #else |
199 | #else |
| 200 | do { |
200 | do { |
| 201 | stat = read(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1); |
201 | stat = read(ns->fd, ns->inbuf.buf + ns->inbuf.len, 1); |
| 202 | } while ((stat<0) && (errno == EINTR)); |
202 | } while ((stat<0) && (errno == EINTR)); |
| 203 | |
203 | |
| 204 | if (stat<0 && errno != EAGAIN && errno !=EWOULDBLOCK) { |
204 | if (stat<0 && errno != EAGAIN && errno !=EWOULDBLOCK) { |
| 205 | #endif |
205 | #endif |
| 206 | LOG(llevError, "Cannot read from socket: %s\n", strerror_local(errno)); |
206 | LOG(llevError, "Cannot read from socket: %s\n", strerror_local(errno)); |
| 207 | ns->status = Ns_Dead; |
207 | ns->status = Ns_Dead; |
| 208 | return; |
208 | return; |
| 209 | } |
209 | } |
| 210 | if (stat == 0) return; |
210 | if (stat == 0) return; |
| 211 | } while (ns->inbuf.buf[ns->inbuf.len++]!='\n'); |
211 | } while (ns->inbuf.buf[ns->inbuf.len++]!='\n'); |
| 212 | |
212 | |
| 213 | ns->inbuf.buf[ns->inbuf.len]=0; |
213 | ns->inbuf.buf[ns->inbuf.len]=0; |
| 214 | |
214 | |
| 215 | cp = strchr((const char*)ns->inbuf.buf, ' '); |
215 | cp = strchr((const char*)ns->inbuf.buf, ' '); |
| 216 | if (cp) { |
216 | if (cp) { |
| 217 | /* Replace the space with a null, skip any more spaces */ |
217 | /* Replace the space with a null, skip any more spaces */ |
| 218 | *cp++=0; |
218 | *cp++=0; |
| 219 | while (isspace(*cp)) cp++; |
219 | while (isspace(*cp)) cp++; |
| 220 | } |
220 | } |
| 221 | |
221 | |
| 222 | /* Strip off all spaces and control characters from end of line */ |
222 | /* Strip off all spaces and control characters from end of line */ |
| 223 | for (i=ns->inbuf.len-1; i>=0; i--) { |
223 | for (i=ns->inbuf.len-1; i>=0; i--) { |
| 224 | if (ns->inbuf.buf[i]<=32) ns->inbuf.buf[i]=0; |
224 | if (ns->inbuf.buf[i]<=32) ns->inbuf.buf[i]=0; |
| 225 | else break; |
225 | else break; |
| 226 | } |
226 | } |
| 227 | ns->inbuf.len=0; /* reset for next read */ |
227 | ns->inbuf.len=0; /* reset for next read */ |
| 228 | |
228 | |
| 229 | /* If just a return, don't do anything */ |
229 | /* If just a return, don't do anything */ |
| 230 | if (ns->inbuf.buf[0] == 0) return; |
230 | if (ns->inbuf.buf[0] == 0) return; |
| 231 | if (!strcasecmp((const char*)ns->inbuf.buf,"quit")) { |
231 | if (!strcasecmp((const char*)ns->inbuf.buf,"quit")) { |
| 232 | ns->status = Ns_Dead; |
232 | ns->status = Ns_Dead; |
| 233 | return; |
233 | return; |
| 234 | } |
234 | } |
| 235 | if (!strcasecmp((const char*)ns->inbuf.buf, "listen")) { |
235 | if (!strcasecmp((const char*)ns->inbuf.buf, "listen")) { |
| 236 | if (cp) { |
236 | if (cp) { |
| 237 | char *buf="Socket switched to listen mode\n"; |
237 | char *buf="Socket switched to listen mode\n"; |
| 238 | |
238 | |
| 239 | free(ns->comment); |
239 | free(ns->comment); |
| 240 | ns->comment = strdup_local(cp); |
240 | ns->comment = strdup_local(cp); |
| 241 | ns->old_mode = Old_Listen; |
241 | ns->old_mode = Old_Listen; |
| 242 | cs_write_string(ns, buf, strlen(buf)); |
242 | cs_write_string(ns, buf, strlen(buf)); |
| 243 | } else { |
243 | } else { |
| 244 | char *buf="Need to supply a comment/url to listen\n"; |
244 | char *buf="Need to supply a comment/url to listen\n"; |
| 245 | cs_write_string(ns, buf, strlen(buf)); |
245 | cs_write_string(ns, buf, strlen(buf)); |
| 246 | } |
246 | } |
| 247 | return; |
247 | return; |
| 248 | } |
248 | } |
| 249 | if (!strcasecmp((const char*)ns->inbuf.buf, "name")) { |
249 | if (!strcasecmp((const char*)ns->inbuf.buf, "name")) { |
| 250 | char *cp1=NULL; |
250 | char *cp1=NULL; |
| 251 | if (cp) cp1= strchr(cp, ' '); |
251 | if (cp) cp1= strchr(cp, ' '); |
| 252 | if (cp1) { |
252 | if (cp1) { |
| 253 | *cp1++ = 0; |
253 | *cp1++ = 0; |
| 254 | while (isspace(*cp1)) cp1++; |
254 | while (isspace(*cp1)) cp1++; |
| 255 | } |
255 | } |
| 256 | if (!cp || !cp1) { |
256 | if (!cp || !cp1) { |
| 257 | char *buf="Need to provide a name/password to name\n"; |
257 | char *buf="Need to provide a name/password to name\n"; |
| 258 | cs_write_string(ns, buf, strlen(buf)); |
258 | cs_write_string(ns, buf, strlen(buf)); |
| 259 | return; |
259 | return; |
| 260 | } |
260 | } |
| 261 | |
261 | |
| 262 | if (verify_player(cp, cp1)==0) { |
262 | if (verify_player(cp, cp1)==0) { |
| 263 | char *buf="Welcome back\n"; |
263 | char *buf="Welcome back\n"; |
| 264 | free(ns->comment); |
264 | free(ns->comment); |
| 265 | ns->comment = strdup_local(cp); |
265 | ns->comment = strdup_local(cp); |
| 266 | ns->old_mode = Old_Player; |
266 | ns->old_mode = Old_Player; |
| 267 | cs_write_string(ns, buf, strlen(buf)); |
267 | cs_write_string(ns, buf, strlen(buf)); |
| 268 | } |
268 | } |
| 269 | else if (verify_player(cp, cp1)==2) { |
269 | else if (verify_player(cp, cp1)==2) { |
| 270 | ns->password_fails++; |
270 | ns->password_fails++; |
| 271 | if (ns->password_fails >= MAX_PASSWORD_FAILURES) { |
271 | if (ns->password_fails >= MAX_PASSWORD_FAILURES) { |
| 272 | char *buf="You failed to log in too many times, you will now be kicked.\n"; |
272 | char *buf="You failed to log in too many times, you will now be kicked.\n"; |
| 273 | LOG(llevInfo, "A player connecting from %s in oldsocketmode has been dropped for password failure\n", |
273 | LOG(llevInfo, "A player connecting from %s in oldsocketmode has been dropped for password failure\n", |
| 274 | ns->host); |
274 | ns->host); |
| 275 | cs_write_string(ns, buf, strlen(buf)); |
275 | cs_write_string(ns, buf, strlen(buf)); |
| 276 | ns->status = Ns_Dead; |
276 | ns->status = Ns_Dead; |
| 277 | } |
277 | } |
| 278 | else { |
278 | else { |
| 279 | char *buf="Could not login you in. Check your name and password.\n"; |
279 | char *buf="Could not login you in. Check your name and password.\n"; |
| 280 | cs_write_string(ns, buf, strlen(buf)); |
280 | cs_write_string(ns, buf, strlen(buf)); |
| 281 | } |
281 | } |
| 282 | } |
282 | } |
| 283 | else { |
283 | else { |
| 284 | char *buf="Could not login you in. Check your name and password.\n"; |
284 | char *buf="Could not login you in. Check your name and password.\n"; |
| 285 | cs_write_string(ns, buf, strlen(buf)); |
285 | cs_write_string(ns, buf, strlen(buf)); |
| 286 | } |
286 | } |
| 287 | return; |
287 | return; |
| 288 | } |
288 | } |
| 289 | |
289 | |
| 290 | command = find_oldsocket_command((char*)ns->inbuf.buf); |
290 | command = find_oldsocket_command((char*)ns->inbuf.buf); |
| 291 | if (!command && ns->old_mode==Old_Player) { |
291 | if (!command && ns->old_mode==Old_Player) { |
| 292 | command = find_oldsocket_command2((char*)ns->inbuf.buf); |
292 | command = find_oldsocket_command2((char*)ns->inbuf.buf); |
| 293 | } |
293 | } |
| 294 | if (!command) { |
294 | if (!command) { |
| 295 | snprintf(buf, sizeof(buf), "Could not find command: %s\n", ns->inbuf.buf); |
295 | snprintf(buf, sizeof(buf), "Could not find command: %s\n", ns->inbuf.buf); |
| 296 | cs_write_string(ns, buf, strlen(buf)); |
296 | cs_write_string(ns, buf, strlen(buf)); |
| 297 | return; |
297 | return; |
| 298 | } |
298 | } |
| 299 | |
299 | |
| 300 | /* This is a bit of a hack, but works. Basically, we make some |
300 | /* This is a bit of a hack, but works. Basically, we make some |
| 301 | * fake object and player pointers and give at it. |
301 | * fake object and player pointers and give at it. |
| 302 | * This works as long as the functions we are calling don't need |
302 | * This works as long as the functions we are calling don't need |
| … | |
… | |
| 331 | char *data; |
331 | char *data; |
| 332 | |
332 | |
| 333 | /* Loop through this - maybe we have several complete packets here. */ |
333 | /* Loop through this - maybe we have several complete packets here. */ |
| 334 | // limit to a few commands only, though, as to not monopolise the server |
334 | // limit to a few commands only, though, as to not monopolise the server |
| 335 | for (cnt = 16; cnt--; ) { |
335 | for (cnt = 16; cnt--; ) { |
| 336 | /* If it is a player, and they don't have any speed left, we |
336 | /* If it is a player, and they don't have any speed left, we |
| 337 | * return, and will read in the data when they do have time. |
337 | * return, and will read in the data when they do have time. |
| 338 | */ |
338 | */ |
| 339 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
339 | if (pl && pl->state==ST_PLAYING && pl->ob != NULL && pl->ob->speed_left < 0) { |
| 340 | return; |
340 | return; |
| 341 | } |
341 | } |
| 342 | |
342 | |
| 343 | if (ns->status == Ns_Old) { |
343 | if (ns->status == Ns_Old) { |
| 344 | Handle_Oldsocket(ns); |
344 | Handle_Oldsocket(ns); |
| 345 | return; |
345 | return; |
| 346 | } |
346 | } |
| 347 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
347 | i=SockList_ReadPacket(ns->fd, &ns->inbuf, MAXSOCKBUF-1); |
| 348 | /* Special hack - let the user switch to old mode if in the Ns_Add |
348 | /* Special hack - let the user switch to old mode if in the Ns_Add |
| 349 | * phase. Don't demand they add in the special length bytes |
349 | * phase. Don't demand they add in the special length bytes |
| 350 | */ |
350 | */ |
| 351 | if (ns->status == Ns_Add) { |
351 | if (ns->status == Ns_Add) { |
| 352 | if (!strncasecmp((const char*)ns->inbuf.buf,"oldsocketmode", 13)) { |
352 | if (!strncasecmp((const char*)ns->inbuf.buf,"oldsocketmode", 13)) { |
| 353 | ns->status = Ns_Old; |
353 | ns->status = Ns_Old; |
| 354 | ns->inbuf.len=0; |
354 | ns->inbuf.len=0; |
| 355 | cs_write_string(ns, "Switched to old socket mode\n", 28); |
355 | cs_write_string(ns, "Switched to old socket mode\n", 28); |
| 356 | LOG(llevDebug,"Switched socket to old socket mode\n"); |
356 | LOG(llevDebug,"Switched socket to old socket mode\n"); |
| 357 | return; |
357 | return; |
| 358 | } |
358 | } |
| 359 | } |
359 | } |
| 360 | |
360 | |
| 361 | if (i<0) { |
361 | if (i<0) { |
| 362 | #ifdef ESRV_DEBUG |
362 | #ifdef ESRV_DEBUG |
| 363 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
363 | LOG(llevDebug,"HandleClient: Read error on connection player %s\n", (pl?pl->ob->name:"None")); |
| 364 | #endif |
364 | #endif |
| 365 | /* Caller will take care of cleaning this up */ |
365 | /* Caller will take care of cleaning this up */ |
| 366 | ns->status =Ns_Dead; |
366 | ns->status =Ns_Dead; |
| 367 | return; |
367 | return; |
| 368 | } |
368 | } |
| 369 | /* Still dont have a full packet */ |
369 | /* Still dont have a full packet */ |
| 370 | if (i==0) return; |
370 | if (i==0) return; |
| 371 | |
371 | |
| 372 | // //D//TODO//temporarily log long commands |
372 | // //D//TODO//temporarily log long commands |
| 373 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
373 | // if (ns->inbuf.len >= 40 && pl && pl->ob) |
| 374 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
374 | // LOG (llevDebug, "HandleClient: long comamnd from <%s,%s> %d<%s>\n", pl->ob->name, ns->host, ns->inbuf.len, ns->inbuf.buf + 2); |
| 375 | |
375 | |
| 376 | /* First, break out beginning word. There are at least |
376 | /* First, break out beginning word. There are at least |
| 377 | * a few commands that do not have any paremeters. If |
377 | * a few commands that do not have any paremeters. If |
| 378 | * we get such a command, don't worry about trying |
378 | * we get such a command, don't worry about trying |
| 379 | * to break it up. |
379 | * to break it up. |
| 380 | */ |
380 | */ |
| 381 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
381 | data = (char *)strchr((char*)ns->inbuf.buf +2, ' '); |
| 382 | if (data) { |
382 | if (data) { |
| 383 | *data='\0'; |
383 | *data='\0'; |
| 384 | data++; |
384 | data++; |
| 385 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
385 | len = ns->inbuf.len - (data - (char*)ns->inbuf.buf); |
| 386 | } |
386 | } |
| 387 | else len=0; |
387 | else len=0; |
| 388 | |
388 | |
| 389 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
389 | ns->inbuf.buf[ns->inbuf.len]='\0'; /* Terminate buffer - useful for string data */ |
| 390 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
390 | for (i=0; nscommands[i].cmdname !=NULL; i++) { |
| 391 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
391 | if (strcmp((char*)ns->inbuf.buf+2,nscommands[i].cmdname)==0) { |
| 392 | nscommands[i].cmdproc((char*)data,len,ns); |
392 | nscommands[i].cmdproc((char*)data,len,ns); |
| 393 | ns->inbuf.len=0; |
393 | ns->inbuf.len=0; |
| 394 | return;//D// not doing this causes random memory corruption |
394 | return;//D// not doing this causes random memory corruption |
| 395 | goto next_packet; |
395 | goto next_packet; |
| 396 | } |
396 | } |
| 397 | } |
397 | } |
| 398 | /* Player must be in the playing state or the flag on the |
398 | /* Player must be in the playing state or the flag on the |
| 399 | * the command must be zero for the user to use the command - |
399 | * the command must be zero for the user to use the command - |
| 400 | * otherwise, a player cam save, be in the play_again state, and |
400 | * otherwise, a player cam save, be in the play_again state, and |
| 401 | * the map they were on gets swapped out, yet things that try to look |
401 | * the map they were on gets swapped out, yet things that try to look |
| 402 | * at the map causes a crash. If the command is valid, but |
402 | * at the map causes a crash. If the command is valid, but |
| 403 | * one they can't use, we still swallow it up. |
403 | * one they can't use, we still swallow it up. |
| 404 | */ |
404 | */ |
| 405 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
405 | if (pl) for (i=0; plcommands[i].cmdname !=NULL; i++) { |
| 406 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
406 | if (strcmp((char*)ns->inbuf.buf+2,plcommands[i].cmdname)==0) { |
| 407 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
407 | if (pl->state == ST_PLAYING || !(plcommands[i].flag & 1)) |
| 408 | plcommands[i].cmdproc((char*)data,len,pl); |
408 | plcommands[i].cmdproc((char*)data,len,pl); |
| 409 | ns->inbuf.len=0; |
409 | ns->inbuf.len=0; |
| 410 | //D// not doing this causes random memory corruption |
410 | //D// not doing this causes random memory corruption |
| 411 | if (plcommands[i].flag & 2) |
411 | if (plcommands[i].flag & 2) |
| 412 | goto next_packet; |
412 | goto next_packet; |
| 413 | return; |
413 | return; |
| 414 | } |
414 | } |
| 415 | } |
415 | } |
| 416 | /* If we get here, we didn't find a valid command. Logging |
416 | /* If we get here, we didn't find a valid command. Logging |
| 417 | * this might be questionable, because a broken client/malicious |
417 | * this might be questionable, because a broken client/malicious |
| 418 | * user could certainly send a whole bunch of invalid commands. |
418 | * user could certainly send a whole bunch of invalid commands. |
| 419 | */ |
419 | */ |
| 420 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
420 | LOG(llevDebug,"Bad command from client (%s)\n",ns->inbuf.buf+2); |
| 421 | next_packet: |
421 | next_packet: |
| 422 | ; |
422 | ; |
| 423 | } |
423 | } |
| 424 | } |
424 | } |
| 425 | |
425 | |
| … | |
… | |
| 485 | socklen_t addrlen=sizeof(struct sockaddr); |
485 | socklen_t addrlen=sizeof(struct sockaddr); |
| 486 | player *pl, *next; |
486 | player *pl, *next; |
| 487 | |
487 | |
| 488 | #ifdef CS_LOGSTATS |
488 | #ifdef CS_LOGSTATS |
| 489 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
489 | if ((time(NULL)-cst_lst.time_start)>=CS_LOGTIME) |
| 490 | write_cs_stats(); |
490 | write_cs_stats(); |
| 491 | #endif |
491 | #endif |
| 492 | |
492 | |
| 493 | FD_ZERO(&tmp_read); |
493 | FD_ZERO(&tmp_read); |
| 494 | FD_ZERO(&tmp_write); |
494 | FD_ZERO(&tmp_write); |
| 495 | FD_ZERO(&tmp_exceptions); |
495 | FD_ZERO(&tmp_exceptions); |
| 496 | |
496 | |
| 497 | for(i=0;i<socket_info.allocated_sockets;i++) { |
497 | for(i=0;i<socket_info.allocated_sockets;i++) { |
| 498 | if (init_sockets[i].status == Ns_Dead) { |
498 | if (init_sockets[i].status == Ns_Dead) { |
| 499 | free_newsocket(&init_sockets[i]); |
499 | free_newsocket(&init_sockets[i]); |
| 500 | init_sockets[i].status = Ns_Avail; |
500 | init_sockets[i].status = Ns_Avail; |
| 501 | socket_info.nconns--; |
501 | socket_info.nconns--; |
| 502 | } else if (init_sockets[i].status != Ns_Avail){ |
502 | } else if (init_sockets[i].status != Ns_Avail){ |
| 503 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
503 | FD_SET((uint32)init_sockets[i].fd, &tmp_read); |
| 504 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
504 | FD_SET((uint32)init_sockets[i].fd, &tmp_write); |
| 505 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
505 | FD_SET((uint32)init_sockets[i].fd, &tmp_exceptions); |
| 506 | } |
506 | } |
| 507 | } |
507 | } |
| 508 | |
508 | |
| 509 | /* Go through the players. Let the loop set the next pl value, |
509 | /* Go through the players. Let the loop set the next pl value, |
| 510 | * since we may remove some |
510 | * since we may remove some |
| 511 | */ |
511 | */ |
| 512 | for (pl=first_player; pl!=NULL; ) { |
512 | for (pl=first_player; pl!=NULL; ) { |
| 513 | if (pl->socket.status == Ns_Dead) { |
513 | if (pl->socket.status == Ns_Dead) { |
| 514 | player *npl=pl->next; |
514 | player *npl=pl->next; |
| 515 | |
515 | |
| 516 | save_player(pl->ob, 0); |
516 | save_player(pl->ob, 0); |
| 517 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
517 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
| 518 | terminate_all_pets(pl->ob); |
518 | terminate_all_pets(pl->ob); |
| 519 | remove_ob(pl->ob); |
519 | remove_ob(pl->ob); |
| 520 | } |
520 | } |
| 521 | leave(pl,1); |
521 | leave(pl,1); |
| 522 | final_free_player(pl); |
522 | final_free_player(pl); |
| 523 | pl=npl; |
523 | pl=npl; |
| 524 | } |
524 | } |
| 525 | else { |
525 | else { |
| 526 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
526 | FD_SET((uint32)pl->socket.fd, &tmp_read); |
| 527 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
527 | FD_SET((uint32)pl->socket.fd, &tmp_write); |
| 528 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
528 | FD_SET((uint32)pl->socket.fd, &tmp_exceptions); |
| 529 | pl=pl->next; |
529 | pl=pl->next; |
| 530 | } |
530 | } |
| 531 | } |
531 | } |
| 532 | |
532 | |
| 533 | /* Reset timeout each time, since some OS's will change the values on |
533 | /* Reset timeout each time, since some OS's will change the values on |
| 534 | * the return from select. |
534 | * the return from select. |
| 535 | */ |
535 | */ |
| 536 | socket_info.timeout.tv_sec = 0; |
536 | socket_info.timeout.tv_sec = 0; |
| 537 | socket_info.timeout.tv_usec = 0; |
537 | socket_info.timeout.tv_usec = 0; |
| 538 | |
538 | |
| 539 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
539 | pollret= select(socket_info.max_filedescriptor, &tmp_read, &tmp_write, |
| 540 | &tmp_exceptions, &socket_info.timeout); |
540 | &tmp_exceptions, &socket_info.timeout); |
| 541 | |
541 | |
| 542 | if (pollret==-1) { |
542 | if (pollret==-1) { |
| 543 | LOG(llevError, "select failed: %s\n", strerror_local(errno)); |
543 | LOG(llevError, "select failed: %s\n", strerror_local(errno)); |
| 544 | return; |
544 | return; |
| 545 | } |
545 | } |
| 546 | |
546 | |
| 547 | /* We need to do some of the processing below regardless */ |
547 | /* We need to do some of the processing below regardless */ |
| 548 | /* if (!pollret) return;*/ |
548 | /* if (!pollret) return;*/ |
| 549 | |
549 | |
| 550 | /* Following adds a new connection */ |
550 | /* Following adds a new connection */ |
| 551 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
551 | if (pollret && FD_ISSET(init_sockets[0].fd, &tmp_read)) { |
| 552 | int newsocknum=0; |
552 | int newsocknum=0; |
| 553 | |
553 | |
| 554 | #ifdef ESRV_DEBUG |
554 | #ifdef ESRV_DEBUG |
| 555 | LOG(llevDebug,"doeric_server: New Connection\n"); |
555 | LOG(llevDebug,"doeric_server: New Connection\n"); |
| 556 | #endif |
556 | #endif |
| 557 | /* If this is the case, all sockets currently in used */ |
557 | /* If this is the case, all sockets currently in used */ |
| 558 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
558 | if (socket_info.allocated_sockets <= socket_info.nconns) { |
| 559 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
559 | init_sockets = (NewSocket *) realloc(init_sockets,sizeof(NewSocket)*(socket_info.nconns+1)); |
| 560 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
560 | if (!init_sockets) fatal(OUT_OF_MEMORY); |
| 561 | newsocknum = socket_info.allocated_sockets; |
561 | newsocknum = socket_info.allocated_sockets; |
| 562 | socket_info.allocated_sockets++; |
562 | socket_info.allocated_sockets++; |
| 563 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
563 | init_sockets[newsocknum].faces_sent_len = nrofpixmaps; |
| 564 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
564 | init_sockets[newsocknum].faces_sent = (uint8*) malloc(nrofpixmaps*sizeof(*init_sockets[newsocknum].faces_sent)); |
| 565 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
565 | if (!init_sockets[newsocknum].faces_sent) fatal(OUT_OF_MEMORY); |
| 566 | init_sockets[newsocknum].status = Ns_Avail; |
566 | init_sockets[newsocknum].status = Ns_Avail; |
| 567 | } |
567 | } |
| 568 | else { |
568 | else { |
| 569 | int j; |
569 | int j; |
| 570 | |
570 | |
| 571 | for (j=1; j<socket_info.allocated_sockets; j++) |
571 | for (j=1; j<socket_info.allocated_sockets; j++) |
| 572 | if (init_sockets[j].status == Ns_Avail) { |
572 | if (init_sockets[j].status == Ns_Avail) { |
| 573 | newsocknum=j; |
573 | newsocknum=j; |
| 574 | break; |
574 | break; |
| 575 | } |
575 | } |
| 576 | } |
576 | } |
| 577 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
577 | init_sockets[newsocknum].fd=accept(init_sockets[0].fd, (struct sockaddr *)&addr, &addrlen); |
| 578 | if (init_sockets[newsocknum].fd==-1) { |
578 | if (init_sockets[newsocknum].fd==-1) { |
| 579 | LOG(llevError, "accept failed: %s\n", strerror_local(errno)); |
579 | LOG(llevError, "accept failed: %s\n", strerror_local(errno)); |
| 580 | } |
580 | } |
| 581 | else { |
581 | else { |
| 582 | char buf[MAX_BUF]; |
582 | char buf[MAX_BUF]; |
| 583 | long ip; |
583 | long ip; |
| 584 | NewSocket *ns; |
584 | NewSocket *ns; |
| 585 | |
585 | |
| 586 | ns = &init_sockets[newsocknum]; |
586 | ns = &init_sockets[newsocknum]; |
| 587 | |
587 | |
| 588 | ip = ntohl(addr.sin_addr.s_addr); |
588 | ip = ntohl(addr.sin_addr.s_addr); |
| 589 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
589 | sprintf(buf, "%ld.%ld.%ld.%ld", (ip>>24)&255, (ip>>16)&255, (ip>>8)&255, ip&255); |
| 590 | |
590 | |
| 591 | if (checkbanned(NULL, buf)) { |
591 | if (checkbanned(NULL, buf)) { |
| 592 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
592 | LOG(llevInfo, "Banned host tried to connect: [%s]\n", buf); |
| 593 | close(init_sockets[newsocknum].fd); |
593 | close(init_sockets[newsocknum].fd); |
| 594 | init_sockets[newsocknum].fd = -1; |
594 | init_sockets[newsocknum].fd = -1; |
| 595 | } |
595 | } |
| 596 | else { |
596 | else { |
| 597 | InitConnection(ns, buf); |
597 | InitConnection(ns, buf); |
| 598 | socket_info.nconns++; |
598 | socket_info.nconns++; |
| 599 | } |
599 | } |
| 600 | } |
600 | } |
| 601 | } |
601 | } |
| 602 | |
602 | |
| 603 | /* Check for any exceptions/input on the sockets */ |
603 | /* Check for any exceptions/input on the sockets */ |
| 604 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
604 | if (pollret) for(i=1;i<socket_info.allocated_sockets;i++) { |
| 605 | if (init_sockets[i].status == Ns_Avail) continue; |
605 | if (init_sockets[i].status == Ns_Avail) continue; |
| 606 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
606 | if (FD_ISSET(init_sockets[i].fd,&tmp_exceptions)) { |
| 607 | free_newsocket(&init_sockets[i]); |
607 | free_newsocket(&init_sockets[i]); |
| 608 | init_sockets[i].status = Ns_Avail; |
608 | init_sockets[i].status = Ns_Avail; |
| 609 | socket_info.nconns--; |
609 | socket_info.nconns--; |
| 610 | continue; |
610 | continue; |
| 611 | } |
611 | } |
| 612 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
612 | if (FD_ISSET(init_sockets[i].fd, &tmp_read)) { |
| 613 | HandleClient(&init_sockets[i], NULL); |
613 | HandleClient(&init_sockets[i], NULL); |
| 614 | } |
614 | } |
| 615 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
615 | if (FD_ISSET(init_sockets[i].fd, &tmp_write)) { |
| 616 | init_sockets[i].can_write=1; |
616 | init_sockets[i].can_write=1; |
| 617 | } |
617 | } |
| 618 | } |
618 | } |
| 619 | |
619 | |
| 620 | /* This does roughly the same thing, but for the players now */ |
620 | /* This does roughly the same thing, but for the players now */ |
| 621 | for (pl=first_player; pl!=NULL; pl=next) { |
621 | for (pl=first_player; pl!=NULL; pl=next) { |
| 622 | |
622 | |
| 623 | next=pl->next; |
623 | next=pl->next; |
| 624 | if (pl->socket.status==Ns_Dead) continue; |
624 | if (pl->socket.status==Ns_Dead) continue; |
| 625 | |
625 | |
| 626 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
626 | if (FD_ISSET(pl->socket.fd,&tmp_write)) { |
| 627 | if (!pl->socket.can_write) { |
627 | if (!pl->socket.can_write) { |
| 628 | #if 0 |
628 | #if 0 |
| 629 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
629 | LOG(llevDebug,"Player %s socket now write enabled\n", pl->ob->name); |
| 630 | #endif |
630 | #endif |
| 631 | pl->socket.can_write=1; |
631 | pl->socket.can_write=1; |
| 632 | write_socket_buffer(&pl->socket); |
632 | write_socket_buffer(&pl->socket); |
| 633 | } |
633 | } |
| 634 | /* if we get an error on the write_socket buffer, no reason to |
634 | /* if we get an error on the write_socket buffer, no reason to |
| 635 | * continue on this socket. |
635 | * continue on this socket. |
| 636 | */ |
636 | */ |
| 637 | if (pl->socket.status==Ns_Dead) continue; |
637 | if (pl->socket.status==Ns_Dead) continue; |
| 638 | } |
638 | } |
| 639 | else pl->socket.can_write=0; |
639 | else pl->socket.can_write=0; |
| 640 | |
640 | |
| 641 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
641 | if (FD_ISSET(pl->socket.fd,&tmp_exceptions)) { |
| 642 | save_player(pl->ob, 0); |
642 | save_player(pl->ob, 0); |
| 643 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
643 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
| 644 | terminate_all_pets(pl->ob); |
644 | terminate_all_pets(pl->ob); |
| 645 | remove_ob(pl->ob); |
645 | remove_ob(pl->ob); |
| 646 | } |
646 | } |
| 647 | leave(pl,1); |
647 | leave(pl,1); |
| 648 | final_free_player(pl); |
648 | final_free_player(pl); |
| 649 | } |
649 | } |
| 650 | else { |
650 | else { |
| 651 | HandleClient(&pl->socket, pl); |
651 | HandleClient(&pl->socket, pl); |
| 652 | /* If the player has left the game, then the socket status |
652 | /* If the player has left the game, then the socket status |
| 653 | * will be set to this be the leave function. We don't |
653 | * will be set to this be the leave function. We don't |
| 654 | * need to call leave again, as it has already been called |
654 | * need to call leave again, as it has already been called |
| 655 | * once. |
655 | * once. |
| 656 | */ |
656 | */ |
| 657 | if (pl->socket.status==Ns_Dead) { |
657 | if (pl->socket.status==Ns_Dead) { |
| 658 | save_player(pl->ob, 0); |
658 | save_player(pl->ob, 0); |
| 659 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
659 | if(!QUERY_FLAG(pl->ob,FLAG_REMOVED)) { |
| 660 | terminate_all_pets(pl->ob); |
660 | terminate_all_pets(pl->ob); |
| 661 | remove_ob(pl->ob); |
661 | remove_ob(pl->ob); |
| 662 | } |
662 | } |
| 663 | leave(pl,1); |
663 | leave(pl,1); |
| 664 | final_free_player(pl); |
664 | final_free_player(pl); |
| 665 | } else { |
665 | } else { |
| 666 | |
666 | |
| 667 | /* Update the players stats once per tick. More efficient than |
667 | /* Update the players stats once per tick. More efficient than |
| 668 | * sending them whenever they change, and probably just as useful |
668 | * sending them whenever they change, and probably just as useful |
| 669 | */ |
669 | */ |
| 670 | esrv_update_stats(pl); |
670 | esrv_update_stats(pl); |
| 671 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
671 | if (pl->last_weight != -1 && pl->last_weight != WEIGHT(pl->ob)) { |
| 672 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
672 | esrv_update_item(UPD_WEIGHT, pl->ob, pl->ob); |
| 673 | if(pl->last_weight != WEIGHT(pl->ob)) |
673 | if(pl->last_weight != WEIGHT(pl->ob)) |
| 674 | LOG(llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", (unsigned long)pl->last_weight, WEIGHT(pl->ob)); |
674 | LOG(llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", (unsigned long)pl->last_weight, WEIGHT(pl->ob)); |
| 675 | } |
675 | } |
| 676 | /* draw_client_map does sanity checking that map is |
676 | /* draw_client_map does sanity checking that map is |
| 677 | * valid, so don't do it here. |
677 | * valid, so don't do it here. |
| 678 | */ |
678 | */ |
| 679 | draw_client_map(pl->ob); |
679 | draw_client_map(pl->ob); |
| 680 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
680 | if (pl->socket.update_look) esrv_draw_look(pl->ob); |
| 681 | } |
681 | } |
| 682 | } |
682 | } |
| 683 | } |
683 | } |
| 684 | } |
684 | } |
