]>
Commit | Line | Data |
---|---|---|
212380e3 | 1 | /* |
8ac75529 | 2 | * charybdis: an advanced ircd. |
212380e3 AC |
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 | |
4d03595d | 8 | * Copyright (C) 2007-2016 William Pitcock |
212380e3 AC |
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 | * | |
f42e9ceb | 25 | * $Id: parse.c 3177 2007-02-01 00:19:14Z jilles $ |
212380e3 AC |
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" | |
4562c604 | 34 | #include "match.h" |
212380e3 AC |
35 | #include "ircd.h" |
36 | #include "numeric.h" | |
4016731b | 37 | #include "logger.h" |
212380e3 AC |
38 | #include "s_stats.h" |
39 | #include "send.h" | |
40 | #include "msg.h" | |
4d03595d | 41 | #include "msgbuf.h" |
212380e3 | 42 | #include "s_conf.h" |
212380e3 AC |
43 | #include "s_serv.h" |
44 | #include "packet.h" | |
77d3d2db | 45 | #include "s_assert.h" |
212380e3 | 46 | |
8ac75529 AC |
47 | static struct Dictionary *cmd_dict = NULL; |
48 | struct Dictionary *alias_dict = NULL; | |
49 | ||
161f0409 | 50 | /* parv[0] is not used, and parv[LAST] == NULL */ |
212380e3 AC |
51 | static char *para[MAXPARA + 2]; |
52 | ||
29c92cf9 | 53 | static void cancel_clients(struct Client *, struct Client *); |
1579e155 | 54 | static void remove_unknown(struct Client *, const char *, char *); |
212380e3 | 55 | |
4d03595d | 56 | static void do_numeric(int, struct Client *, struct Client *, int, const char **); |
212380e3 AC |
57 | static void do_alias(struct alias_entry *, struct Client *, char *); |
58 | ||
59 | static int handle_command(struct Message *, struct Client *, struct Client *, int, const char**); | |
60 | ||
212380e3 AC |
61 | static char buffer[1024]; |
62 | ||
212380e3 AC |
63 | /* turn a string into a parc/parv pair */ |
64 | ||
e4603e3d AC |
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 | } | |
212380e3 | 77 | |
212380e3 AC |
78 | /* parse() |
79 | * | |
819dd2d2 | 80 | * given a raw buffer, parses it and generates parv and parc |
212380e3 AC |
81 | */ |
82 | void | |
83 | parse(struct Client *client_p, char *pbuffer, char *bufend) | |
84 | { | |
85 | struct Client *from = client_p; | |
212380e3 | 86 | char *end; |
4d03595d AC |
87 | int i = 1, res; |
88 | int numeric = 0; | |
212380e3 | 89 | struct Message *mptr; |
4d03595d | 90 | struct MsgBuf msgbuf; |
212380e3 AC |
91 | |
92 | s_assert(MyConnect(client_p)); | |
8c23bb2e | 93 | s_assert(client_p->localClient->F != NULL); |
212380e3 AC |
94 | if(IsAnyDead(client_p)) |
95 | return; | |
96 | ||
4d03595d | 97 | end = bufend - 1; |
212380e3 | 98 | |
4d03595d AC |
99 | /* XXX this should be done before parse() is called */ |
100 | if(*end == '\n') | |
101 | *end-- = '\0'; | |
102 | if(*end == '\r') | |
103 | *end = '\0'; | |
212380e3 | 104 | |
4d03595d AC |
105 | res = msgbuf_parse(&msgbuf, pbuffer); |
106 | if (res) | |
212380e3 | 107 | { |
4d03595d AC |
108 | ServerStats.is_empt++; |
109 | return; | |
110 | } | |
212380e3 | 111 | |
4d03595d AC |
112 | if (msgbuf.origin != NULL) |
113 | { | |
114 | from = find_client(msgbuf.origin); | |
212380e3 | 115 | |
4d03595d AC |
116 | /* didnt find any matching client, issue a kill */ |
117 | if(from == NULL) | |
212380e3 | 118 | { |
4d03595d | 119 | ServerStats.is_unpf++; |
1579e155 | 120 | remove_unknown(client_p, msgbuf.origin, pbuffer); |
4d03595d | 121 | return; |
212380e3 AC |
122 | } |
123 | ||
4d03595d AC |
124 | /* fake direction, hmm. */ |
125 | if(from->from != client_p) | |
212380e3 | 126 | { |
4d03595d AC |
127 | ServerStats.is_wrdi++; |
128 | cancel_clients(client_p, from); | |
129 | return; | |
212380e3 | 130 | } |
212380e3 AC |
131 | } |
132 | ||
4d03595d | 133 | if(IsDigit(*msgbuf.cmd) && IsDigit(*(msgbuf.cmd + 1)) && IsDigit(*(msgbuf.cmd + 2))) |
212380e3 AC |
134 | { |
135 | mptr = NULL; | |
4d03595d | 136 | numeric = atoi(msgbuf.cmd); |
47adde3d | 137 | ServerStats.is_num++; |
212380e3 AC |
138 | } |
139 | else | |
140 | { | |
4d03595d | 141 | mptr = irc_dictionary_retrieve(cmd_dict, msgbuf.cmd); |
212380e3 AC |
142 | |
143 | /* no command or its encap only, error */ | |
144 | if(!mptr || !mptr->cmd) | |
145 | { | |
4d03595d | 146 | if (IsPerson(client_p)) |
212380e3 | 147 | { |
20dd3725 | 148 | struct alias_entry *aptr = irc_dictionary_retrieve(alias_dict, msgbuf.cmd); |
4d03595d | 149 | if (aptr != NULL) |
212380e3 | 150 | { |
20dd3725 | 151 | do_alias(aptr, client_p, reconstruct_parv(msgbuf.n_para - 1, msgbuf.para + 1)); |
4d03595d | 152 | return; |
212380e3 AC |
153 | } |
154 | } | |
4d03595d AC |
155 | if(IsPerson(from)) |
156 | { | |
157 | sendto_one(from, form_str(ERR_UNKNOWNCOMMAND), | |
1579e155 | 158 | me.name, from->name, msgbuf.cmd); |
4d03595d | 159 | } |
47adde3d | 160 | ServerStats.is_unco++; |
212380e3 AC |
161 | return; |
162 | } | |
163 | ||
4d03595d | 164 | mptr->bytes += msgbuf.parselen; |
212380e3 AC |
165 | } |
166 | ||
212380e3 AC |
167 | if(mptr == NULL) |
168 | { | |
4d03595d | 169 | do_numeric(numeric, client_p, from, msgbuf.n_para, msgbuf.para); |
212380e3 AC |
170 | return; |
171 | } | |
172 | ||
4d03595d | 173 | if(handle_command(mptr, client_p, from, msgbuf.n_para, /* XXX discards const!!! */ (const char **)(void *) msgbuf.para) < -1) |
212380e3 AC |
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 client | |
204 | * - pointer to client message is from | |
205 | * - count of number of args | |
206 | * - pointer to argv[] array | |
207 | * output - -1 if error from server | |
208 | * side effects - | |
209 | */ | |
210 | static int | |
211 | handle_command(struct Message *mptr, struct Client *client_p, | |
212 | struct Client *from, int i, const char** hpara) | |
213 | { | |
214 | struct MessageEntry ehandler; | |
215 | MessageHandler handler = 0; | |
216 | char squitreason[80]; | |
217 | ||
218 | if(IsAnyDead(client_p)) | |
219 | return -1; | |
220 | ||
221 | if(IsServer(client_p)) | |
222 | mptr->rcount++; | |
223 | ||
224 | mptr->count++; | |
225 | ||
226 | /* New patch to avoid server flooding from unregistered connects | |
227 | - Pie-Man 07/27/2000 */ | |
228 | ||
229 | if(!IsRegistered(client_p)) | |
230 | { | |
231 | /* if its from a possible server connection | |
232 | * ignore it.. more than likely its a header thats sneaked through | |
233 | */ | |
234 | ||
235 | if(IsAnyServer(client_p) && !(mptr->flags & MFLG_UNREG)) | |
236 | return (1); | |
237 | } | |
238 | ||
239 | ehandler = mptr->handlers[from->handler]; | |
240 | handler = ehandler.handler; | |
241 | ||
242 | /* check right amount of params is passed... --is */ | |
55abcbb2 | 243 | if(i < ehandler.min_para || |
212380e3 AC |
244 | (ehandler.min_para && EmptyString(hpara[ehandler.min_para - 1]))) |
245 | { | |
246 | if(!IsServer(client_p)) | |
247 | { | |
248 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
55abcbb2 KB |
249 | me.name, |
250 | EmptyString(client_p->name) ? "*" : client_p->name, | |
212380e3 AC |
251 | mptr->cmd); |
252 | if(MyClient(client_p)) | |
253 | return (1); | |
254 | else | |
255 | return (-1); | |
256 | } | |
257 | ||
258 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
259 | "Dropping server %s due to (invalid) command '%s'" | |
260 | " with only %d arguments (expecting %d).", | |
261 | client_p->name, mptr->cmd, i, ehandler.min_para); | |
262 | ilog(L_SERVER, | |
263 | "Insufficient parameters (%d < %d) for command '%s' from %s.", | |
264 | i, ehandler.min_para, mptr->cmd, client_p->name); | |
5203cba5 | 265 | snprintf(squitreason, sizeof squitreason, |
212380e3 AC |
266 | "Insufficient parameters (%d < %d) for command '%s'", |
267 | i, ehandler.min_para, mptr->cmd); | |
268 | exit_client(client_p, client_p, client_p, squitreason); | |
269 | return (-1); | |
270 | } | |
271 | ||
272 | (*handler) (client_p, from, i, hpara); | |
273 | return (1); | |
274 | } | |
275 | ||
276 | void | |
277 | handle_encap(struct Client *client_p, struct Client *source_p, | |
278 | const char *command, int parc, const char *parv[]) | |
279 | { | |
280 | struct Message *mptr; | |
281 | struct MessageEntry ehandler; | |
282 | MessageHandler handler = 0; | |
283 | ||
8ac75529 | 284 | mptr = irc_dictionary_retrieve(cmd_dict, command); |
212380e3 AC |
285 | |
286 | if(mptr == NULL || mptr->cmd == NULL) | |
287 | return; | |
288 | ||
289 | ehandler = mptr->handlers[ENCAP_HANDLER]; | |
290 | handler = ehandler.handler; | |
291 | ||
55abcbb2 | 292 | if(parc < ehandler.min_para || |
212380e3 AC |
293 | (ehandler.min_para && EmptyString(parv[ehandler.min_para - 1]))) |
294 | return; | |
295 | ||
296 | (*handler) (client_p, source_p, parc, parv); | |
297 | } | |
298 | ||
299 | /* | |
300 | * clear_hash_parse() | |
301 | * | |
302 | * inputs - | |
303 | * output - NONE | |
304 | * side effects - MUST MUST be called at startup ONCE before | |
305 | * any other keyword hash routine is used. | |
306 | * | |
307 | */ | |
308 | void | |
309 | clear_hash_parse() | |
310 | { | |
99b461bb | 311 | cmd_dict = irc_dictionary_create("command", strcasecmp); |
212380e3 AC |
312 | } |
313 | ||
314 | /* mod_add_cmd | |
315 | * | |
316 | * inputs - command name | |
317 | * - pointer to struct Message | |
318 | * output - none | |
319 | * side effects - load this one command name | |
320 | * msg->count msg->bytes is modified in place, in | |
321 | * modules address space. Might not want to do that... | |
322 | */ | |
323 | void | |
324 | mod_add_cmd(struct Message *msg) | |
325 | { | |
212380e3 AC |
326 | s_assert(msg != NULL); |
327 | if(msg == NULL) | |
328 | return; | |
329 | ||
8ac75529 AC |
330 | if (irc_dictionary_find(cmd_dict, msg->cmd) != NULL) |
331 | return; | |
212380e3 AC |
332 | |
333 | msg->count = 0; | |
334 | msg->rcount = 0; | |
335 | msg->bytes = 0; | |
336 | ||
8ac75529 | 337 | irc_dictionary_add(cmd_dict, msg->cmd, msg); |
212380e3 AC |
338 | } |
339 | ||
340 | /* mod_del_cmd | |
341 | * | |
342 | * inputs - command name | |
343 | * output - none | |
344 | * side effects - unload this one command name | |
345 | */ | |
346 | void | |
347 | mod_del_cmd(struct Message *msg) | |
348 | { | |
212380e3 AC |
349 | s_assert(msg != NULL); |
350 | if(msg == NULL) | |
351 | return; | |
352 | ||
8ac75529 | 353 | irc_dictionary_delete(cmd_dict, msg->cmd); |
212380e3 AC |
354 | } |
355 | ||
356 | /* | |
357 | * report_messages | |
358 | * | |
359 | * inputs - pointer to client to report to | |
360 | * output - NONE | |
361 | * side effects - NONE | |
362 | */ | |
363 | void | |
364 | report_messages(struct Client *source_p) | |
365 | { | |
8ac75529 AC |
366 | struct DictionaryIter iter; |
367 | struct Message *msg; | |
368 | struct alias_entry *amsg; | |
212380e3 | 369 | |
90187f21 | 370 | DICTIONARY_FOREACH(msg, &iter, cmd_dict) |
212380e3 | 371 | { |
8ac75529 | 372 | s_assert(msg->cmd != NULL); |
55abcbb2 | 373 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, |
8ac75529 | 374 | form_str(RPL_STATSCOMMANDS), |
55abcbb2 | 375 | msg->cmd, msg->count, |
8ac75529 AC |
376 | msg->bytes, msg->rcount); |
377 | } | |
212380e3 | 378 | |
90187f21 | 379 | DICTIONARY_FOREACH(amsg, &iter, alias_dict) |
8ac75529 AC |
380 | { |
381 | s_assert(amsg->name != NULL); | |
382 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, | |
383 | form_str(RPL_STATSCOMMANDS), | |
77910830 | 384 | amsg->name, amsg->hits, 0L, 0); |
212380e3 AC |
385 | } |
386 | } | |
387 | ||
388 | /* cancel_clients() | |
389 | * | |
390 | * inputs - client who sent us the message, client with fake | |
29c92cf9 | 391 | * direction |
212380e3 AC |
392 | * outputs - a given warning about the fake direction |
393 | * side effects - | |
394 | */ | |
395 | static void | |
29c92cf9 | 396 | cancel_clients(struct Client *client_p, struct Client *source_p) |
212380e3 AC |
397 | { |
398 | /* ok, fake prefix happens naturally during a burst on a nick | |
399 | * collision with TS5, we cant kill them because one client has to | |
400 | * survive, so we just send an error. | |
401 | */ | |
402 | if(IsServer(source_p) || IsMe(source_p)) | |
403 | { | |
404 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
405 | "Message for %s[%s] from %s", | |
406 | source_p->name, source_p->from->name, | |
b3ebc7ab | 407 | client_p->name); |
212380e3 AC |
408 | } |
409 | else | |
410 | { | |
411 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
412 | "Message for %s[%s@%s!%s] from %s (TS, ignored)", | |
413 | source_p->name, | |
414 | source_p->username, | |
415 | source_p->host, | |
416 | source_p->from->name, | |
b3ebc7ab | 417 | client_p->name); |
212380e3 AC |
418 | } |
419 | } | |
420 | ||
421 | /* remove_unknown() | |
422 | * | |
423 | * inputs - client who gave us message, supposed sender, buffer | |
55abcbb2 | 424 | * output - |
212380e3 AC |
425 | * side effects - kills issued for clients, squits for servers |
426 | */ | |
427 | static void | |
1579e155 | 428 | remove_unknown(struct Client *client_p, const char *lsender, char *lbuffer) |
212380e3 AC |
429 | { |
430 | int slen = strlen(lsender); | |
d45f5ea2 JT |
431 | char sid[4]; |
432 | struct Client *server; | |
212380e3 | 433 | |
ba0711fd | 434 | /* meepfoo is a nickname (ignore) |
212380e3 AC |
435 | * #XXXXXXXX is a UID (KILL) |
436 | * #XX is a SID (SQUIT) | |
437 | * meep.foo is a server (SQUIT) | |
438 | */ | |
55abcbb2 | 439 | if((IsDigit(lsender[0]) && slen == 3) || |
212380e3 AC |
440 | (strchr(lsender, '.') != NULL)) |
441 | { | |
442 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
443 | "Unknown prefix (%s) from %s, Squitting %s", | |
b3ebc7ab | 444 | lbuffer, client_p->name, lsender); |
212380e3 AC |
445 | |
446 | sendto_one(client_p, | |
447 | ":%s SQUIT %s :(Unknown prefix (%s) from %s)", | |
55abcbb2 | 448 | get_id(&me, client_p), lsender, |
212380e3 AC |
449 | lbuffer, client_p->name); |
450 | } | |
d45f5ea2 JT |
451 | else if(!IsDigit(lsender[0])) |
452 | ; | |
453 | else if(slen != 9) | |
454 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
455 | "Invalid prefix (%s) from %s", | |
456 | lbuffer, client_p->name); | |
457 | else | |
458 | { | |
459 | memcpy(sid, lsender, 3); | |
460 | sid[3] = '\0'; | |
461 | server = find_server(NULL, sid); | |
462 | if (server != NULL && server->from == client_p) | |
55abcbb2 | 463 | sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)", |
d45f5ea2 JT |
464 | get_id(&me, client_p), lsender, me.name); |
465 | } | |
212380e3 AC |
466 | } |
467 | ||
468 | ||
469 | ||
470 | /* | |
471 | * | |
472 | * parc number of arguments ('sender' counted as one!) | |
212380e3 AC |
473 | * parv[1]..parv[parc-1] |
474 | * pointers to additional parameters, this is a NULL | |
475 | * terminated list (parv[parc] == NULL). | |
476 | * | |
477 | * *WARNING* | |
478 | * Numerics are mostly error reports. If there is something | |
479 | * wrong with the message, just *DROP* it! Don't even think of | |
480 | * sending back a neat error message -- big danger of creating | |
481 | * a ping pong error message... | |
482 | */ | |
483 | static void | |
4d03595d | 484 | do_numeric(int numeric, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
485 | { |
486 | struct Client *target_p; | |
487 | struct Channel *chptr; | |
488 | ||
489 | if(parc < 2 || !IsServer(source_p)) | |
490 | return; | |
491 | ||
492 | /* Remap low number numerics. */ | |
4d03595d AC |
493 | if(numeric < 100) |
494 | numeric += 100; | |
212380e3 AC |
495 | |
496 | /* | |
497 | * Prepare the parameter portion of the message into 'buffer'. | |
498 | * (Because the buffer is twice as large as the message buffer | |
499 | * for the socket, no overflow can occur here... ...on current | |
500 | * assumptions--bets are off, if these are changed --msa) | |
501 | * Note: if buffer is non-empty, it will begin with SPACE. | |
502 | */ | |
503 | if(parc > 1) | |
504 | { | |
505 | char *t = buffer; /* Current position within the buffer */ | |
506 | int i; | |
507 | int tl; /* current length of presently being built string in t */ | |
508 | for (i = 2; i < (parc - 1); i++) | |
509 | { | |
5203cba5 | 510 | tl = sprintf(t, " %s", parv[i]); |
212380e3 AC |
511 | t += tl; |
512 | } | |
5203cba5 | 513 | sprintf(t, " :%s", parv[parc - 1]); |
212380e3 AC |
514 | } |
515 | ||
516 | if((target_p = find_client(parv[1])) != NULL) | |
517 | { | |
518 | if(IsMe(target_p)) | |
519 | { | |
520 | /* | |
521 | * We shouldn't get numerics sent to us, | |
522 | * any numerics we do get indicate a bug somewhere.. | |
523 | */ | |
524 | /* ugh. this is here because of nick collisions. when two servers | |
525 | * relink, they burst each other their nicks, then perform collides. | |
526 | * if there is a nick collision, BOTH servers will kill their own | |
527 | * nicks, and BOTH will kill the other servers nick, which wont exist, | |
528 | * because it will have been already killed by the local server. | |
529 | * | |
530 | * unfortunately, as we cant guarantee other servers will do the | |
55abcbb2 | 531 | * "right thing" on a nick collision, we have to keep both kills. |
212380e3 AC |
532 | * ergo we need to ignore ERR_NOSUCHNICK. --fl_ |
533 | */ | |
534 | /* quick comment. This _was_ tried. i.e. assume the other servers | |
535 | * will do the "right thing" and kill a nick that is colliding. | |
536 | * unfortunately, it did not work. --Dianora | |
537 | */ | |
538 | /* note, now we send PING on server connect, we can | |
539 | * also get ERR_NOSUCHSERVER.. | |
540 | */ | |
4d03595d AC |
541 | if(numeric != ERR_NOSUCHNICK && |
542 | numeric != ERR_NOSUCHSERVER) | |
212380e3 | 543 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, |
4d03595d | 544 | "*** %s(via %s) sent a %03d numeric to me: %s", |
212380e3 AC |
545 | source_p->name, |
546 | client_p->name, numeric, buffer); | |
547 | return; | |
548 | } | |
549 | else if(target_p->from == client_p) | |
550 | { | |
551 | /* This message changed direction (nick collision?) | |
552 | * ignore it. | |
553 | */ | |
554 | return; | |
555 | } | |
556 | ||
557 | /* csircd will send out unknown umode flag for +a (admin), drop it here. */ | |
4d03595d | 558 | if(numeric == ERR_UMODEUNKNOWNFLAG && MyClient(target_p)) |
212380e3 AC |
559 | return; |
560 | ||
561 | /* Fake it for server hiding, if its our client */ | |
4d03595d | 562 | sendto_one(target_p, ":%s %03d %s%s", |
55abcbb2 | 563 | get_id(source_p, target_p), numeric, |
212380e3 AC |
564 | get_id(target_p, target_p), buffer); |
565 | return; | |
566 | } | |
567 | else if((chptr = find_channel(parv[1])) != NULL) | |
06b697a2 | 568 | sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, |
4d03595d | 569 | "%03d %s%s", |
06b697a2 | 570 | numeric, chptr->chname, buffer); |
212380e3 AC |
571 | } |
572 | ||
573 | static void do_alias(struct alias_entry *aptr, struct Client *source_p, char *text) | |
574 | { | |
575 | char *p; | |
576 | struct Client *target_p; | |
577 | ||
578 | if (!IsFloodDone(source_p) && source_p->localClient->receiveM > 20) | |
579 | flood_endgrace(source_p); | |
580 | ||
581 | p = strchr(aptr->target, '@'); | |
582 | if (p != NULL) | |
583 | { | |
584 | /* user@server */ | |
585 | target_p = find_server(NULL, p + 1); | |
586 | if (target_p != NULL && IsMe(target_p)) | |
587 | target_p = NULL; | |
588 | } | |
589 | else | |
590 | { | |
591 | /* nick, must be +S */ | |
592 | target_p = find_named_person(aptr->target); | |
593 | if (target_p != NULL && !IsService(target_p)) | |
594 | target_p = NULL; | |
595 | } | |
596 | ||
597 | if (target_p == NULL) | |
598 | { | |
599 | sendto_one_numeric(source_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target); | |
600 | return; | |
601 | } | |
602 | ||
603 | if (text != NULL && *text == ':') | |
604 | text++; | |
605 | if (text == NULL || *text == '\0') | |
606 | { | |
607 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
608 | return; | |
609 | } | |
610 | ||
611 | /* increment the hitcounter on this alias */ | |
612 | aptr->hits++; | |
613 | ||
614 | sendto_one(target_p, ":%s PRIVMSG %s :%s", | |
615 | get_id(source_p, target_p), | |
616 | p != NULL ? aptr->target : get_id(target_p, target_p), | |
617 | text); | |
618 | } | |
619 | ||
620 | int | |
621 | m_not_oper(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
622 | { | |
623 | sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES)); | |
624 | return 0; | |
625 | } | |
626 | ||
627 | int | |
628 | m_unregistered(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
629 | { | |
630 | /* bit of a hack. | |
631 | * I don't =really= want to waste a bit in a flag | |
632 | * number_of_nick_changes is only really valid after the client | |
633 | * is fully registered.. | |
634 | */ | |
635 | if(client_p->localClient->number_of_nick_changes == 0) | |
636 | { | |
637 | sendto_one(client_p, form_str(ERR_NOTREGISTERED), me.name); | |
638 | client_p->localClient->number_of_nick_changes++; | |
639 | } | |
640 | ||
641 | return 0; | |
642 | } | |
643 | ||
644 | int | |
645 | m_registered(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
646 | { | |
647 | sendto_one(client_p, form_str(ERR_ALREADYREGISTRED), me.name, source_p->name); | |
648 | return 0; | |
649 | } | |
650 | ||
651 | int | |
652 | m_ignore(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
653 | { | |
654 | return 0; | |
655 | } |