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Commit | Line | Data |
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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 | ||
4a84a763 | 59 | static int handle_command(struct Message *, struct MsgBuf *, struct Client *, struct Client *); |
212380e3 | 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 | ||
4a84a763 | 173 | if(handle_command(mptr, &msgbuf, client_p, from) < -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 | |
4a84a763 | 203 | * - pointer to message buffer |
212380e3 AC |
204 | * - pointer to client |
205 | * - pointer to client message is from | |
212380e3 AC |
206 | * output - -1 if error from server |
207 | * side effects - | |
208 | */ | |
209 | static int | |
4a84a763 | 210 | handle_command(struct Message *mptr, struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *from) |
212380e3 AC |
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 | ||
212380e3 AC |
224 | ehandler = mptr->handlers[from->handler]; |
225 | handler = ehandler.handler; | |
226 | ||
227 | /* check right amount of params is passed... --is */ | |
4a84a763 AC |
228 | if(msgbuf_p->n_para < ehandler.min_para || |
229 | (ehandler.min_para && EmptyString(msgbuf_p->para[ehandler.min_para - 1]))) | |
212380e3 AC |
230 | { |
231 | if(!IsServer(client_p)) | |
232 | { | |
233 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
55abcbb2 KB |
234 | me.name, |
235 | EmptyString(client_p->name) ? "*" : client_p->name, | |
212380e3 AC |
236 | mptr->cmd); |
237 | if(MyClient(client_p)) | |
238 | return (1); | |
239 | else | |
240 | return (-1); | |
241 | } | |
242 | ||
243 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
244 | "Dropping server %s due to (invalid) command '%s'" | |
4a84a763 AC |
245 | " with only %zu arguments (expecting %d).", |
246 | client_p->name, mptr->cmd, msgbuf_p->n_para, ehandler.min_para); | |
212380e3 | 247 | ilog(L_SERVER, |
4a84a763 AC |
248 | "Insufficient parameters (%zu < %d) for command '%s' from %s.", |
249 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd, client_p->name); | |
5203cba5 | 250 | snprintf(squitreason, sizeof squitreason, |
4a84a763 AC |
251 | "Insufficient parameters (%zu < %d) for command '%s'", |
252 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd); | |
212380e3 AC |
253 | exit_client(client_p, client_p, client_p, squitreason); |
254 | return (-1); | |
255 | } | |
256 | ||
4a84a763 | 257 | (*handler) (msgbuf_p, client_p, from, msgbuf_p->n_para, msgbuf_p->para); |
212380e3 AC |
258 | return (1); |
259 | } | |
260 | ||
261 | void | |
4a84a763 | 262 | handle_encap(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, |
212380e3 AC |
263 | const char *command, int parc, const char *parv[]) |
264 | { | |
265 | struct Message *mptr; | |
266 | struct MessageEntry ehandler; | |
267 | MessageHandler handler = 0; | |
268 | ||
8ac75529 | 269 | mptr = irc_dictionary_retrieve(cmd_dict, command); |
212380e3 AC |
270 | |
271 | if(mptr == NULL || mptr->cmd == NULL) | |
272 | return; | |
273 | ||
274 | ehandler = mptr->handlers[ENCAP_HANDLER]; | |
275 | handler = ehandler.handler; | |
276 | ||
55abcbb2 | 277 | if(parc < ehandler.min_para || |
212380e3 AC |
278 | (ehandler.min_para && EmptyString(parv[ehandler.min_para - 1]))) |
279 | return; | |
280 | ||
4a84a763 | 281 | (*handler) (msgbuf_p, client_p, source_p, parc, parv); |
212380e3 AC |
282 | } |
283 | ||
284 | /* | |
285 | * clear_hash_parse() | |
286 | * | |
287 | * inputs - | |
288 | * output - NONE | |
289 | * side effects - MUST MUST be called at startup ONCE before | |
290 | * any other keyword hash routine is used. | |
291 | * | |
292 | */ | |
293 | void | |
294 | clear_hash_parse() | |
295 | { | |
99b461bb | 296 | cmd_dict = irc_dictionary_create("command", strcasecmp); |
212380e3 AC |
297 | } |
298 | ||
299 | /* mod_add_cmd | |
300 | * | |
301 | * inputs - command name | |
302 | * - pointer to struct Message | |
303 | * output - none | |
304 | * side effects - load this one command name | |
305 | * msg->count msg->bytes is modified in place, in | |
306 | * modules address space. Might not want to do that... | |
307 | */ | |
308 | void | |
309 | mod_add_cmd(struct Message *msg) | |
310 | { | |
212380e3 AC |
311 | s_assert(msg != NULL); |
312 | if(msg == NULL) | |
313 | return; | |
314 | ||
8ac75529 AC |
315 | if (irc_dictionary_find(cmd_dict, msg->cmd) != NULL) |
316 | return; | |
212380e3 AC |
317 | |
318 | msg->count = 0; | |
319 | msg->rcount = 0; | |
320 | msg->bytes = 0; | |
321 | ||
8ac75529 | 322 | irc_dictionary_add(cmd_dict, msg->cmd, msg); |
212380e3 AC |
323 | } |
324 | ||
325 | /* mod_del_cmd | |
326 | * | |
327 | * inputs - command name | |
328 | * output - none | |
329 | * side effects - unload this one command name | |
330 | */ | |
331 | void | |
332 | mod_del_cmd(struct Message *msg) | |
333 | { | |
212380e3 AC |
334 | s_assert(msg != NULL); |
335 | if(msg == NULL) | |
336 | return; | |
337 | ||
8ac75529 | 338 | irc_dictionary_delete(cmd_dict, msg->cmd); |
212380e3 AC |
339 | } |
340 | ||
341 | /* | |
342 | * report_messages | |
343 | * | |
344 | * inputs - pointer to client to report to | |
345 | * output - NONE | |
346 | * side effects - NONE | |
347 | */ | |
348 | void | |
349 | report_messages(struct Client *source_p) | |
350 | { | |
8ac75529 AC |
351 | struct DictionaryIter iter; |
352 | struct Message *msg; | |
353 | struct alias_entry *amsg; | |
212380e3 | 354 | |
90187f21 | 355 | DICTIONARY_FOREACH(msg, &iter, cmd_dict) |
212380e3 | 356 | { |
8ac75529 | 357 | s_assert(msg->cmd != NULL); |
55abcbb2 | 358 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, |
8ac75529 | 359 | form_str(RPL_STATSCOMMANDS), |
55abcbb2 | 360 | msg->cmd, msg->count, |
8ac75529 AC |
361 | msg->bytes, msg->rcount); |
362 | } | |
212380e3 | 363 | |
90187f21 | 364 | DICTIONARY_FOREACH(amsg, &iter, alias_dict) |
8ac75529 AC |
365 | { |
366 | s_assert(amsg->name != NULL); | |
367 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, | |
368 | form_str(RPL_STATSCOMMANDS), | |
77910830 | 369 | amsg->name, amsg->hits, 0L, 0); |
212380e3 AC |
370 | } |
371 | } | |
372 | ||
373 | /* cancel_clients() | |
374 | * | |
375 | * inputs - client who sent us the message, client with fake | |
29c92cf9 | 376 | * direction |
212380e3 AC |
377 | * outputs - a given warning about the fake direction |
378 | * side effects - | |
379 | */ | |
380 | static void | |
29c92cf9 | 381 | cancel_clients(struct Client *client_p, struct Client *source_p) |
212380e3 AC |
382 | { |
383 | /* ok, fake prefix happens naturally during a burst on a nick | |
384 | * collision with TS5, we cant kill them because one client has to | |
385 | * survive, so we just send an error. | |
386 | */ | |
387 | if(IsServer(source_p) || IsMe(source_p)) | |
388 | { | |
389 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
390 | "Message for %s[%s] from %s", | |
391 | source_p->name, source_p->from->name, | |
b3ebc7ab | 392 | client_p->name); |
212380e3 AC |
393 | } |
394 | else | |
395 | { | |
396 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
397 | "Message for %s[%s@%s!%s] from %s (TS, ignored)", | |
398 | source_p->name, | |
399 | source_p->username, | |
400 | source_p->host, | |
401 | source_p->from->name, | |
b3ebc7ab | 402 | client_p->name); |
212380e3 AC |
403 | } |
404 | } | |
405 | ||
406 | /* remove_unknown() | |
407 | * | |
408 | * inputs - client who gave us message, supposed sender, buffer | |
55abcbb2 | 409 | * output - |
212380e3 AC |
410 | * side effects - kills issued for clients, squits for servers |
411 | */ | |
412 | static void | |
1579e155 | 413 | remove_unknown(struct Client *client_p, const char *lsender, char *lbuffer) |
212380e3 AC |
414 | { |
415 | int slen = strlen(lsender); | |
d45f5ea2 JT |
416 | char sid[4]; |
417 | struct Client *server; | |
212380e3 | 418 | |
ba0711fd | 419 | /* meepfoo is a nickname (ignore) |
212380e3 AC |
420 | * #XXXXXXXX is a UID (KILL) |
421 | * #XX is a SID (SQUIT) | |
422 | * meep.foo is a server (SQUIT) | |
423 | */ | |
55abcbb2 | 424 | if((IsDigit(lsender[0]) && slen == 3) || |
212380e3 AC |
425 | (strchr(lsender, '.') != NULL)) |
426 | { | |
427 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
428 | "Unknown prefix (%s) from %s, Squitting %s", | |
b3ebc7ab | 429 | lbuffer, client_p->name, lsender); |
212380e3 AC |
430 | |
431 | sendto_one(client_p, | |
432 | ":%s SQUIT %s :(Unknown prefix (%s) from %s)", | |
55abcbb2 | 433 | get_id(&me, client_p), lsender, |
212380e3 AC |
434 | lbuffer, client_p->name); |
435 | } | |
d45f5ea2 JT |
436 | else if(!IsDigit(lsender[0])) |
437 | ; | |
438 | else if(slen != 9) | |
439 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
440 | "Invalid prefix (%s) from %s", | |
441 | lbuffer, client_p->name); | |
442 | else | |
443 | { | |
444 | memcpy(sid, lsender, 3); | |
445 | sid[3] = '\0'; | |
446 | server = find_server(NULL, sid); | |
447 | if (server != NULL && server->from == client_p) | |
55abcbb2 | 448 | sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)", |
d45f5ea2 JT |
449 | get_id(&me, client_p), lsender, me.name); |
450 | } | |
212380e3 AC |
451 | } |
452 | ||
453 | ||
454 | ||
455 | /* | |
456 | * | |
457 | * parc number of arguments ('sender' counted as one!) | |
212380e3 AC |
458 | * parv[1]..parv[parc-1] |
459 | * pointers to additional parameters, this is a NULL | |
460 | * terminated list (parv[parc] == NULL). | |
461 | * | |
462 | * *WARNING* | |
463 | * Numerics are mostly error reports. If there is something | |
464 | * wrong with the message, just *DROP* it! Don't even think of | |
465 | * sending back a neat error message -- big danger of creating | |
466 | * a ping pong error message... | |
467 | */ | |
468 | static void | |
4d03595d | 469 | do_numeric(int numeric, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
470 | { |
471 | struct Client *target_p; | |
472 | struct Channel *chptr; | |
473 | ||
474 | if(parc < 2 || !IsServer(source_p)) | |
475 | return; | |
476 | ||
477 | /* Remap low number numerics. */ | |
4d03595d AC |
478 | if(numeric < 100) |
479 | numeric += 100; | |
212380e3 AC |
480 | |
481 | /* | |
482 | * Prepare the parameter portion of the message into 'buffer'. | |
483 | * (Because the buffer is twice as large as the message buffer | |
484 | * for the socket, no overflow can occur here... ...on current | |
485 | * assumptions--bets are off, if these are changed --msa) | |
486 | * Note: if buffer is non-empty, it will begin with SPACE. | |
487 | */ | |
488 | if(parc > 1) | |
489 | { | |
490 | char *t = buffer; /* Current position within the buffer */ | |
491 | int i; | |
492 | int tl; /* current length of presently being built string in t */ | |
493 | for (i = 2; i < (parc - 1); i++) | |
494 | { | |
5203cba5 | 495 | tl = sprintf(t, " %s", parv[i]); |
212380e3 AC |
496 | t += tl; |
497 | } | |
5203cba5 | 498 | sprintf(t, " :%s", parv[parc - 1]); |
212380e3 AC |
499 | } |
500 | ||
501 | if((target_p = find_client(parv[1])) != NULL) | |
502 | { | |
503 | if(IsMe(target_p)) | |
504 | { | |
505 | /* | |
506 | * We shouldn't get numerics sent to us, | |
507 | * any numerics we do get indicate a bug somewhere.. | |
508 | */ | |
509 | /* ugh. this is here because of nick collisions. when two servers | |
510 | * relink, they burst each other their nicks, then perform collides. | |
511 | * if there is a nick collision, BOTH servers will kill their own | |
512 | * nicks, and BOTH will kill the other servers nick, which wont exist, | |
513 | * because it will have been already killed by the local server. | |
514 | * | |
515 | * unfortunately, as we cant guarantee other servers will do the | |
55abcbb2 | 516 | * "right thing" on a nick collision, we have to keep both kills. |
212380e3 AC |
517 | * ergo we need to ignore ERR_NOSUCHNICK. --fl_ |
518 | */ | |
519 | /* quick comment. This _was_ tried. i.e. assume the other servers | |
520 | * will do the "right thing" and kill a nick that is colliding. | |
521 | * unfortunately, it did not work. --Dianora | |
522 | */ | |
523 | /* note, now we send PING on server connect, we can | |
524 | * also get ERR_NOSUCHSERVER.. | |
525 | */ | |
4d03595d AC |
526 | if(numeric != ERR_NOSUCHNICK && |
527 | numeric != ERR_NOSUCHSERVER) | |
212380e3 | 528 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, |
4d03595d | 529 | "*** %s(via %s) sent a %03d numeric to me: %s", |
212380e3 AC |
530 | source_p->name, |
531 | client_p->name, numeric, buffer); | |
532 | return; | |
533 | } | |
534 | else if(target_p->from == client_p) | |
535 | { | |
536 | /* This message changed direction (nick collision?) | |
537 | * ignore it. | |
538 | */ | |
539 | return; | |
540 | } | |
541 | ||
542 | /* csircd will send out unknown umode flag for +a (admin), drop it here. */ | |
4d03595d | 543 | if(numeric == ERR_UMODEUNKNOWNFLAG && MyClient(target_p)) |
212380e3 AC |
544 | return; |
545 | ||
546 | /* Fake it for server hiding, if its our client */ | |
4d03595d | 547 | sendto_one(target_p, ":%s %03d %s%s", |
55abcbb2 | 548 | get_id(source_p, target_p), numeric, |
212380e3 AC |
549 | get_id(target_p, target_p), buffer); |
550 | return; | |
551 | } | |
552 | else if((chptr = find_channel(parv[1])) != NULL) | |
06b697a2 | 553 | sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, |
4d03595d | 554 | "%03d %s%s", |
06b697a2 | 555 | numeric, chptr->chname, buffer); |
212380e3 AC |
556 | } |
557 | ||
558 | static void do_alias(struct alias_entry *aptr, struct Client *source_p, char *text) | |
559 | { | |
560 | char *p; | |
561 | struct Client *target_p; | |
562 | ||
563 | if (!IsFloodDone(source_p) && source_p->localClient->receiveM > 20) | |
564 | flood_endgrace(source_p); | |
565 | ||
566 | p = strchr(aptr->target, '@'); | |
567 | if (p != NULL) | |
568 | { | |
569 | /* user@server */ | |
570 | target_p = find_server(NULL, p + 1); | |
571 | if (target_p != NULL && IsMe(target_p)) | |
572 | target_p = NULL; | |
573 | } | |
574 | else | |
575 | { | |
576 | /* nick, must be +S */ | |
577 | target_p = find_named_person(aptr->target); | |
578 | if (target_p != NULL && !IsService(target_p)) | |
579 | target_p = NULL; | |
580 | } | |
581 | ||
582 | if (target_p == NULL) | |
583 | { | |
584 | sendto_one_numeric(source_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target); | |
585 | return; | |
586 | } | |
587 | ||
588 | if (text != NULL && *text == ':') | |
589 | text++; | |
590 | if (text == NULL || *text == '\0') | |
591 | { | |
592 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
593 | return; | |
594 | } | |
595 | ||
596 | /* increment the hitcounter on this alias */ | |
597 | aptr->hits++; | |
598 | ||
599 | sendto_one(target_p, ":%s PRIVMSG %s :%s", | |
600 | get_id(source_p, target_p), | |
601 | p != NULL ? aptr->target : get_id(target_p, target_p), | |
602 | text); | |
603 | } | |
604 | ||
605 | int | |
4a84a763 | 606 | m_not_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
607 | { |
608 | sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES)); | |
609 | return 0; | |
610 | } | |
611 | ||
612 | int | |
4a84a763 | 613 | m_unregistered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
614 | { |
615 | /* bit of a hack. | |
616 | * I don't =really= want to waste a bit in a flag | |
617 | * number_of_nick_changes is only really valid after the client | |
618 | * is fully registered.. | |
619 | */ | |
620 | if(client_p->localClient->number_of_nick_changes == 0) | |
621 | { | |
622 | sendto_one(client_p, form_str(ERR_NOTREGISTERED), me.name); | |
623 | client_p->localClient->number_of_nick_changes++; | |
624 | } | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | int | |
4a84a763 | 630 | m_registered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
631 | { |
632 | sendto_one(client_p, form_str(ERR_ALREADYREGISTRED), me.name, source_p->name); | |
633 | return 0; | |
634 | } | |
635 | ||
636 | int | |
4a84a763 | 637 | m_ignore(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
638 | { |
639 | return 0; | |
640 | } |