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1 | /* | |
2 | * charybdis: an advanced ircd. | |
3 | * parse.c: The message parser. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * Copyright (C) 2007-2016 William Pitcock | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
24 | * | |
25 | * $Id: parse.c 3177 2007-02-01 00:19:14Z jilles $ | |
26 | */ | |
27 | ||
28 | #include "stdinc.h" | |
29 | #include "parse.h" | |
30 | #include "client.h" | |
31 | #include "channel.h" | |
32 | #include "common.h" | |
33 | #include "hash.h" | |
34 | #include "match.h" | |
35 | #include "ircd.h" | |
36 | #include "numeric.h" | |
37 | #include "logger.h" | |
38 | #include "s_stats.h" | |
39 | #include "send.h" | |
40 | #include "msg.h" | |
41 | #include "msgbuf.h" | |
42 | #include "s_conf.h" | |
43 | #include "s_serv.h" | |
44 | #include "packet.h" | |
45 | #include "s_assert.h" | |
46 | ||
47 | static struct Dictionary *cmd_dict = NULL; | |
48 | struct Dictionary *alias_dict = NULL; | |
49 | ||
50 | /* parv[0] is not used, and parv[LAST] == NULL */ | |
51 | static char *para[MAXPARA + 2]; | |
52 | ||
53 | static void cancel_clients(struct Client *, struct Client *); | |
54 | static void remove_unknown(struct Client *, const char *, char *); | |
55 | ||
56 | static void do_numeric(int, struct Client *, struct Client *, int, const char **); | |
57 | static void do_alias(struct alias_entry *, struct Client *, char *); | |
58 | ||
59 | static int handle_command(struct Message *, struct MsgBuf *, struct Client *, struct Client *); | |
60 | ||
61 | static char buffer[1024]; | |
62 | ||
63 | /* turn a string into a parc/parv pair */ | |
64 | ||
65 | char *reconstruct_parv(int parc, const char *parv[]) | |
66 | { | |
67 | static char tmpbuf[BUFSIZE]; int i; | |
68 | ||
69 | rb_strlcpy(tmpbuf, parv[0], BUFSIZE); | |
70 | for (i = 1; i < parc; i++) | |
71 | { | |
72 | rb_strlcat(tmpbuf, " ", BUFSIZE); | |
73 | rb_strlcat(tmpbuf, parv[i], BUFSIZE); | |
74 | } | |
75 | return tmpbuf; | |
76 | } | |
77 | ||
78 | /* parse() | |
79 | * | |
80 | * given a raw buffer, parses it and generates parv and parc | |
81 | */ | |
82 | void | |
83 | parse(struct Client *client_p, char *pbuffer, char *bufend) | |
84 | { | |
85 | struct Client *from = client_p; | |
86 | char *end; | |
87 | int i = 1, res; | |
88 | int numeric = 0; | |
89 | struct Message *mptr; | |
90 | struct MsgBuf msgbuf; | |
91 | ||
92 | s_assert(MyConnect(client_p)); | |
93 | s_assert(client_p->localClient->F != NULL); | |
94 | if(IsAnyDead(client_p)) | |
95 | return; | |
96 | ||
97 | end = bufend - 1; | |
98 | ||
99 | /* XXX this should be done before parse() is called */ | |
100 | if(*end == '\n') | |
101 | *end-- = '\0'; | |
102 | if(*end == '\r') | |
103 | *end = '\0'; | |
104 | ||
105 | res = msgbuf_parse(&msgbuf, pbuffer); | |
106 | if (res) | |
107 | { | |
108 | ServerStats.is_empt++; | |
109 | return; | |
110 | } | |
111 | ||
112 | if (msgbuf.origin != NULL) | |
113 | { | |
114 | from = find_client(msgbuf.origin); | |
115 | ||
116 | /* didnt find any matching client, issue a kill */ | |
117 | if(from == NULL) | |
118 | { | |
119 | ServerStats.is_unpf++; | |
120 | remove_unknown(client_p, msgbuf.origin, pbuffer); | |
121 | return; | |
122 | } | |
123 | ||
124 | /* fake direction, hmm. */ | |
125 | if(from->from != client_p) | |
126 | { | |
127 | ServerStats.is_wrdi++; | |
128 | cancel_clients(client_p, from); | |
129 | return; | |
130 | } | |
131 | } | |
132 | ||
133 | if(IsDigit(*msgbuf.cmd) && IsDigit(*(msgbuf.cmd + 1)) && IsDigit(*(msgbuf.cmd + 2))) | |
134 | { | |
135 | mptr = NULL; | |
136 | numeric = atoi(msgbuf.cmd); | |
137 | ServerStats.is_num++; | |
138 | } | |
139 | else | |
140 | { | |
141 | mptr = irc_dictionary_retrieve(cmd_dict, msgbuf.cmd); | |
142 | ||
143 | /* no command or its encap only, error */ | |
144 | if(!mptr || !mptr->cmd) | |
145 | { | |
146 | if (IsPerson(client_p)) | |
147 | { | |
148 | struct alias_entry *aptr = irc_dictionary_retrieve(alias_dict, msgbuf.cmd); | |
149 | if (aptr != NULL) | |
150 | { | |
151 | do_alias(aptr, client_p, reconstruct_parv(msgbuf.n_para - 1, msgbuf.para + 1)); | |
152 | return; | |
153 | } | |
154 | } | |
155 | if(IsPerson(from)) | |
156 | { | |
157 | sendto_one(from, form_str(ERR_UNKNOWNCOMMAND), | |
158 | me.name, from->name, msgbuf.cmd); | |
159 | } | |
160 | ServerStats.is_unco++; | |
161 | return; | |
162 | } | |
163 | ||
164 | mptr->bytes += msgbuf.parselen; | |
165 | } | |
166 | ||
167 | if(mptr == NULL) | |
168 | { | |
169 | do_numeric(numeric, client_p, from, msgbuf.n_para, msgbuf.para); | |
170 | return; | |
171 | } | |
172 | ||
173 | if(handle_command(mptr, &msgbuf, client_p, from) < -1) | |
174 | { | |
175 | char *p; | |
176 | for (p = pbuffer; p <= end; p += 8) | |
177 | { | |
178 | /* HACK HACK */ | |
179 | /* Its expected this nasty code can be removed | |
180 | * or rewritten later if still needed. | |
181 | */ | |
182 | if((unsigned long) (p + 8) > (unsigned long) end) | |
183 | { | |
184 | for (; p <= end; p++) | |
185 | { | |
186 | ilog(L_MAIN, "%02x |%c", p[0], p[0]); | |
187 | } | |
188 | } | |
189 | else | |
190 | ilog(L_MAIN, | |
191 | "%02x %02x %02x %02x %02x %02x %02x %02x |%c%c%c%c%c%c%c%c", | |
192 | p[0], p[1], p[2], p[3], p[4], p[5], | |
193 | p[6], p[7], p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
194 | } | |
195 | } | |
196 | ||
197 | } | |
198 | ||
199 | /* | |
200 | * handle_command | |
201 | * | |
202 | * inputs - pointer to message block | |
203 | * - pointer to message buffer | |
204 | * - pointer to client | |
205 | * - pointer to client message is from | |
206 | * output - -1 if error from server | |
207 | * side effects - | |
208 | */ | |
209 | static int | |
210 | handle_command(struct Message *mptr, struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *from) | |
211 | { | |
212 | struct MessageEntry ehandler; | |
213 | MessageHandler handler = 0; | |
214 | char squitreason[80]; | |
215 | ||
216 | if(IsAnyDead(client_p)) | |
217 | return -1; | |
218 | ||
219 | if(IsServer(client_p)) | |
220 | mptr->rcount++; | |
221 | ||
222 | mptr->count++; | |
223 | ||
224 | /* New patch to avoid server flooding from unregistered connects | |
225 | - Pie-Man 07/27/2000 */ | |
226 | ||
227 | if(!IsRegistered(client_p)) | |
228 | { | |
229 | /* if its from a possible server connection | |
230 | * ignore it.. more than likely its a header thats sneaked through | |
231 | */ | |
232 | ||
233 | if(IsAnyServer(client_p) && !(mptr->flags & MFLG_UNREG)) | |
234 | return (1); | |
235 | } | |
236 | ||
237 | ehandler = mptr->handlers[from->handler]; | |
238 | handler = ehandler.handler; | |
239 | ||
240 | /* check right amount of params is passed... --is */ | |
241 | if(msgbuf_p->n_para < ehandler.min_para || | |
242 | (ehandler.min_para && EmptyString(msgbuf_p->para[ehandler.min_para - 1]))) | |
243 | { | |
244 | if(!IsServer(client_p)) | |
245 | { | |
246 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
247 | me.name, | |
248 | EmptyString(client_p->name) ? "*" : client_p->name, | |
249 | mptr->cmd); | |
250 | if(MyClient(client_p)) | |
251 | return (1); | |
252 | else | |
253 | return (-1); | |
254 | } | |
255 | ||
256 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
257 | "Dropping server %s due to (invalid) command '%s'" | |
258 | " with only %zu arguments (expecting %d).", | |
259 | client_p->name, mptr->cmd, msgbuf_p->n_para, ehandler.min_para); | |
260 | ilog(L_SERVER, | |
261 | "Insufficient parameters (%zu < %d) for command '%s' from %s.", | |
262 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd, client_p->name); | |
263 | snprintf(squitreason, sizeof squitreason, | |
264 | "Insufficient parameters (%zu < %d) for command '%s'", | |
265 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd); | |
266 | exit_client(client_p, client_p, client_p, squitreason); | |
267 | return (-1); | |
268 | } | |
269 | ||
270 | (*handler) (msgbuf_p, client_p, from, msgbuf_p->n_para, msgbuf_p->para); | |
271 | return (1); | |
272 | } | |
273 | ||
274 | void | |
275 | handle_encap(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, | |
276 | const char *command, int parc, const char *parv[]) | |
277 | { | |
278 | struct Message *mptr; | |
279 | struct MessageEntry ehandler; | |
280 | MessageHandler handler = 0; | |
281 | ||
282 | mptr = irc_dictionary_retrieve(cmd_dict, command); | |
283 | ||
284 | if(mptr == NULL || mptr->cmd == NULL) | |
285 | return; | |
286 | ||
287 | ehandler = mptr->handlers[ENCAP_HANDLER]; | |
288 | handler = ehandler.handler; | |
289 | ||
290 | if(parc < ehandler.min_para || | |
291 | (ehandler.min_para && EmptyString(parv[ehandler.min_para - 1]))) | |
292 | return; | |
293 | ||
294 | (*handler) (msgbuf_p, client_p, source_p, parc, parv); | |
295 | } | |
296 | ||
297 | /* | |
298 | * clear_hash_parse() | |
299 | * | |
300 | * inputs - | |
301 | * output - NONE | |
302 | * side effects - MUST MUST be called at startup ONCE before | |
303 | * any other keyword hash routine is used. | |
304 | * | |
305 | */ | |
306 | void | |
307 | clear_hash_parse() | |
308 | { | |
309 | cmd_dict = irc_dictionary_create("command", strcasecmp); | |
310 | } | |
311 | ||
312 | /* mod_add_cmd | |
313 | * | |
314 | * inputs - command name | |
315 | * - pointer to struct Message | |
316 | * output - none | |
317 | * side effects - load this one command name | |
318 | * msg->count msg->bytes is modified in place, in | |
319 | * modules address space. Might not want to do that... | |
320 | */ | |
321 | void | |
322 | mod_add_cmd(struct Message *msg) | |
323 | { | |
324 | s_assert(msg != NULL); | |
325 | if(msg == NULL) | |
326 | return; | |
327 | ||
328 | if (irc_dictionary_find(cmd_dict, msg->cmd) != NULL) | |
329 | return; | |
330 | ||
331 | msg->count = 0; | |
332 | msg->rcount = 0; | |
333 | msg->bytes = 0; | |
334 | ||
335 | irc_dictionary_add(cmd_dict, msg->cmd, msg); | |
336 | } | |
337 | ||
338 | /* mod_del_cmd | |
339 | * | |
340 | * inputs - command name | |
341 | * output - none | |
342 | * side effects - unload this one command name | |
343 | */ | |
344 | void | |
345 | mod_del_cmd(struct Message *msg) | |
346 | { | |
347 | s_assert(msg != NULL); | |
348 | if(msg == NULL) | |
349 | return; | |
350 | ||
351 | irc_dictionary_delete(cmd_dict, msg->cmd); | |
352 | } | |
353 | ||
354 | /* | |
355 | * report_messages | |
356 | * | |
357 | * inputs - pointer to client to report to | |
358 | * output - NONE | |
359 | * side effects - NONE | |
360 | */ | |
361 | void | |
362 | report_messages(struct Client *source_p) | |
363 | { | |
364 | struct DictionaryIter iter; | |
365 | struct Message *msg; | |
366 | struct alias_entry *amsg; | |
367 | ||
368 | DICTIONARY_FOREACH(msg, &iter, cmd_dict) | |
369 | { | |
370 | s_assert(msg->cmd != NULL); | |
371 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, | |
372 | form_str(RPL_STATSCOMMANDS), | |
373 | msg->cmd, msg->count, | |
374 | msg->bytes, msg->rcount); | |
375 | } | |
376 | ||
377 | DICTIONARY_FOREACH(amsg, &iter, alias_dict) | |
378 | { | |
379 | s_assert(amsg->name != NULL); | |
380 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, | |
381 | form_str(RPL_STATSCOMMANDS), | |
382 | amsg->name, amsg->hits, 0L, 0); | |
383 | } | |
384 | } | |
385 | ||
386 | /* cancel_clients() | |
387 | * | |
388 | * inputs - client who sent us the message, client with fake | |
389 | * direction | |
390 | * outputs - a given warning about the fake direction | |
391 | * side effects - | |
392 | */ | |
393 | static void | |
394 | cancel_clients(struct Client *client_p, struct Client *source_p) | |
395 | { | |
396 | /* ok, fake prefix happens naturally during a burst on a nick | |
397 | * collision with TS5, we cant kill them because one client has to | |
398 | * survive, so we just send an error. | |
399 | */ | |
400 | if(IsServer(source_p) || IsMe(source_p)) | |
401 | { | |
402 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
403 | "Message for %s[%s] from %s", | |
404 | source_p->name, source_p->from->name, | |
405 | client_p->name); | |
406 | } | |
407 | else | |
408 | { | |
409 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
410 | "Message for %s[%s@%s!%s] from %s (TS, ignored)", | |
411 | source_p->name, | |
412 | source_p->username, | |
413 | source_p->host, | |
414 | source_p->from->name, | |
415 | client_p->name); | |
416 | } | |
417 | } | |
418 | ||
419 | /* remove_unknown() | |
420 | * | |
421 | * inputs - client who gave us message, supposed sender, buffer | |
422 | * output - | |
423 | * side effects - kills issued for clients, squits for servers | |
424 | */ | |
425 | static void | |
426 | remove_unknown(struct Client *client_p, const char *lsender, char *lbuffer) | |
427 | { | |
428 | int slen = strlen(lsender); | |
429 | char sid[4]; | |
430 | struct Client *server; | |
431 | ||
432 | /* meepfoo is a nickname (ignore) | |
433 | * #XXXXXXXX is a UID (KILL) | |
434 | * #XX is a SID (SQUIT) | |
435 | * meep.foo is a server (SQUIT) | |
436 | */ | |
437 | if((IsDigit(lsender[0]) && slen == 3) || | |
438 | (strchr(lsender, '.') != NULL)) | |
439 | { | |
440 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
441 | "Unknown prefix (%s) from %s, Squitting %s", | |
442 | lbuffer, client_p->name, lsender); | |
443 | ||
444 | sendto_one(client_p, | |
445 | ":%s SQUIT %s :(Unknown prefix (%s) from %s)", | |
446 | get_id(&me, client_p), lsender, | |
447 | lbuffer, client_p->name); | |
448 | } | |
449 | else if(!IsDigit(lsender[0])) | |
450 | ; | |
451 | else if(slen != 9) | |
452 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
453 | "Invalid prefix (%s) from %s", | |
454 | lbuffer, client_p->name); | |
455 | else | |
456 | { | |
457 | memcpy(sid, lsender, 3); | |
458 | sid[3] = '\0'; | |
459 | server = find_server(NULL, sid); | |
460 | if (server != NULL && server->from == client_p) | |
461 | sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)", | |
462 | get_id(&me, client_p), lsender, me.name); | |
463 | } | |
464 | } | |
465 | ||
466 | ||
467 | ||
468 | /* | |
469 | * | |
470 | * parc number of arguments ('sender' counted as one!) | |
471 | * parv[1]..parv[parc-1] | |
472 | * pointers to additional parameters, this is a NULL | |
473 | * terminated list (parv[parc] == NULL). | |
474 | * | |
475 | * *WARNING* | |
476 | * Numerics are mostly error reports. If there is something | |
477 | * wrong with the message, just *DROP* it! Don't even think of | |
478 | * sending back a neat error message -- big danger of creating | |
479 | * a ping pong error message... | |
480 | */ | |
481 | static void | |
482 | do_numeric(int numeric, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
483 | { | |
484 | struct Client *target_p; | |
485 | struct Channel *chptr; | |
486 | ||
487 | if(parc < 2 || !IsServer(source_p)) | |
488 | return; | |
489 | ||
490 | /* Remap low number numerics. */ | |
491 | if(numeric < 100) | |
492 | numeric += 100; | |
493 | ||
494 | /* | |
495 | * Prepare the parameter portion of the message into 'buffer'. | |
496 | * (Because the buffer is twice as large as the message buffer | |
497 | * for the socket, no overflow can occur here... ...on current | |
498 | * assumptions--bets are off, if these are changed --msa) | |
499 | * Note: if buffer is non-empty, it will begin with SPACE. | |
500 | */ | |
501 | if(parc > 1) | |
502 | { | |
503 | char *t = buffer; /* Current position within the buffer */ | |
504 | int i; | |
505 | int tl; /* current length of presently being built string in t */ | |
506 | for (i = 2; i < (parc - 1); i++) | |
507 | { | |
508 | tl = sprintf(t, " %s", parv[i]); | |
509 | t += tl; | |
510 | } | |
511 | sprintf(t, " :%s", parv[parc - 1]); | |
512 | } | |
513 | ||
514 | if((target_p = find_client(parv[1])) != NULL) | |
515 | { | |
516 | if(IsMe(target_p)) | |
517 | { | |
518 | /* | |
519 | * We shouldn't get numerics sent to us, | |
520 | * any numerics we do get indicate a bug somewhere.. | |
521 | */ | |
522 | /* ugh. this is here because of nick collisions. when two servers | |
523 | * relink, they burst each other their nicks, then perform collides. | |
524 | * if there is a nick collision, BOTH servers will kill their own | |
525 | * nicks, and BOTH will kill the other servers nick, which wont exist, | |
526 | * because it will have been already killed by the local server. | |
527 | * | |
528 | * unfortunately, as we cant guarantee other servers will do the | |
529 | * "right thing" on a nick collision, we have to keep both kills. | |
530 | * ergo we need to ignore ERR_NOSUCHNICK. --fl_ | |
531 | */ | |
532 | /* quick comment. This _was_ tried. i.e. assume the other servers | |
533 | * will do the "right thing" and kill a nick that is colliding. | |
534 | * unfortunately, it did not work. --Dianora | |
535 | */ | |
536 | /* note, now we send PING on server connect, we can | |
537 | * also get ERR_NOSUCHSERVER.. | |
538 | */ | |
539 | if(numeric != ERR_NOSUCHNICK && | |
540 | numeric != ERR_NOSUCHSERVER) | |
541 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, | |
542 | "*** %s(via %s) sent a %03d numeric to me: %s", | |
543 | source_p->name, | |
544 | client_p->name, numeric, buffer); | |
545 | return; | |
546 | } | |
547 | else if(target_p->from == client_p) | |
548 | { | |
549 | /* This message changed direction (nick collision?) | |
550 | * ignore it. | |
551 | */ | |
552 | return; | |
553 | } | |
554 | ||
555 | /* csircd will send out unknown umode flag for +a (admin), drop it here. */ | |
556 | if(numeric == ERR_UMODEUNKNOWNFLAG && MyClient(target_p)) | |
557 | return; | |
558 | ||
559 | /* Fake it for server hiding, if its our client */ | |
560 | sendto_one(target_p, ":%s %03d %s%s", | |
561 | get_id(source_p, target_p), numeric, | |
562 | get_id(target_p, target_p), buffer); | |
563 | return; | |
564 | } | |
565 | else if((chptr = find_channel(parv[1])) != NULL) | |
566 | sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, | |
567 | "%03d %s%s", | |
568 | numeric, chptr->chname, buffer); | |
569 | } | |
570 | ||
571 | static void do_alias(struct alias_entry *aptr, struct Client *source_p, char *text) | |
572 | { | |
573 | char *p; | |
574 | struct Client *target_p; | |
575 | ||
576 | if (!IsFloodDone(source_p) && source_p->localClient->receiveM > 20) | |
577 | flood_endgrace(source_p); | |
578 | ||
579 | p = strchr(aptr->target, '@'); | |
580 | if (p != NULL) | |
581 | { | |
582 | /* user@server */ | |
583 | target_p = find_server(NULL, p + 1); | |
584 | if (target_p != NULL && IsMe(target_p)) | |
585 | target_p = NULL; | |
586 | } | |
587 | else | |
588 | { | |
589 | /* nick, must be +S */ | |
590 | target_p = find_named_person(aptr->target); | |
591 | if (target_p != NULL && !IsService(target_p)) | |
592 | target_p = NULL; | |
593 | } | |
594 | ||
595 | if (target_p == NULL) | |
596 | { | |
597 | sendto_one_numeric(source_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target); | |
598 | return; | |
599 | } | |
600 | ||
601 | if (text != NULL && *text == ':') | |
602 | text++; | |
603 | if (text == NULL || *text == '\0') | |
604 | { | |
605 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
606 | return; | |
607 | } | |
608 | ||
609 | /* increment the hitcounter on this alias */ | |
610 | aptr->hits++; | |
611 | ||
612 | sendto_one(target_p, ":%s PRIVMSG %s :%s", | |
613 | get_id(source_p, target_p), | |
614 | p != NULL ? aptr->target : get_id(target_p, target_p), | |
615 | text); | |
616 | } | |
617 | ||
618 | int | |
619 | m_not_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
620 | { | |
621 | sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES)); | |
622 | return 0; | |
623 | } | |
624 | ||
625 | int | |
626 | m_unregistered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
627 | { | |
628 | /* bit of a hack. | |
629 | * I don't =really= want to waste a bit in a flag | |
630 | * number_of_nick_changes is only really valid after the client | |
631 | * is fully registered.. | |
632 | */ | |
633 | if(client_p->localClient->number_of_nick_changes == 0) | |
634 | { | |
635 | sendto_one(client_p, form_str(ERR_NOTREGISTERED), me.name); | |
636 | client_p->localClient->number_of_nick_changes++; | |
637 | } | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | int | |
643 | m_registered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
644 | { | |
645 | sendto_one(client_p, form_str(ERR_ALREADYREGISTRED), me.name, source_p->name); | |
646 | return 0; | |
647 | } | |
648 | ||
649 | int | |
650 | m_ignore(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
651 | { | |
652 | return 0; | |
653 | } |