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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 | ||
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 */ | |
4a84a763 AC |
241 | if(msgbuf_p->n_para < ehandler.min_para || |
242 | (ehandler.min_para && EmptyString(msgbuf_p->para[ehandler.min_para - 1]))) | |
212380e3 AC |
243 | { |
244 | if(!IsServer(client_p)) | |
245 | { | |
246 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
55abcbb2 KB |
247 | me.name, |
248 | EmptyString(client_p->name) ? "*" : client_p->name, | |
212380e3 AC |
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'" | |
4a84a763 AC |
258 | " with only %zu arguments (expecting %d).", |
259 | client_p->name, mptr->cmd, msgbuf_p->n_para, ehandler.min_para); | |
212380e3 | 260 | ilog(L_SERVER, |
4a84a763 AC |
261 | "Insufficient parameters (%zu < %d) for command '%s' from %s.", |
262 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd, client_p->name); | |
5203cba5 | 263 | snprintf(squitreason, sizeof squitreason, |
4a84a763 AC |
264 | "Insufficient parameters (%zu < %d) for command '%s'", |
265 | msgbuf_p->n_para, ehandler.min_para, mptr->cmd); | |
212380e3 AC |
266 | exit_client(client_p, client_p, client_p, squitreason); |
267 | return (-1); | |
268 | } | |
269 | ||
4a84a763 | 270 | (*handler) (msgbuf_p, client_p, from, msgbuf_p->n_para, msgbuf_p->para); |
212380e3 AC |
271 | return (1); |
272 | } | |
273 | ||
274 | void | |
4a84a763 | 275 | handle_encap(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, |
212380e3 AC |
276 | const char *command, int parc, const char *parv[]) |
277 | { | |
278 | struct Message *mptr; | |
279 | struct MessageEntry ehandler; | |
280 | MessageHandler handler = 0; | |
281 | ||
8ac75529 | 282 | mptr = irc_dictionary_retrieve(cmd_dict, command); |
212380e3 AC |
283 | |
284 | if(mptr == NULL || mptr->cmd == NULL) | |
285 | return; | |
286 | ||
287 | ehandler = mptr->handlers[ENCAP_HANDLER]; | |
288 | handler = ehandler.handler; | |
289 | ||
55abcbb2 | 290 | if(parc < ehandler.min_para || |
212380e3 AC |
291 | (ehandler.min_para && EmptyString(parv[ehandler.min_para - 1]))) |
292 | return; | |
293 | ||
4a84a763 | 294 | (*handler) (msgbuf_p, client_p, source_p, parc, parv); |
212380e3 AC |
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 | { | |
99b461bb | 309 | cmd_dict = irc_dictionary_create("command", strcasecmp); |
212380e3 AC |
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 | { | |
212380e3 AC |
324 | s_assert(msg != NULL); |
325 | if(msg == NULL) | |
326 | return; | |
327 | ||
8ac75529 AC |
328 | if (irc_dictionary_find(cmd_dict, msg->cmd) != NULL) |
329 | return; | |
212380e3 AC |
330 | |
331 | msg->count = 0; | |
332 | msg->rcount = 0; | |
333 | msg->bytes = 0; | |
334 | ||
8ac75529 | 335 | irc_dictionary_add(cmd_dict, msg->cmd, msg); |
212380e3 AC |
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 | { | |
212380e3 AC |
347 | s_assert(msg != NULL); |
348 | if(msg == NULL) | |
349 | return; | |
350 | ||
8ac75529 | 351 | irc_dictionary_delete(cmd_dict, msg->cmd); |
212380e3 AC |
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 | { | |
8ac75529 AC |
364 | struct DictionaryIter iter; |
365 | struct Message *msg; | |
366 | struct alias_entry *amsg; | |
212380e3 | 367 | |
90187f21 | 368 | DICTIONARY_FOREACH(msg, &iter, cmd_dict) |
212380e3 | 369 | { |
8ac75529 | 370 | s_assert(msg->cmd != NULL); |
55abcbb2 | 371 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, |
8ac75529 | 372 | form_str(RPL_STATSCOMMANDS), |
55abcbb2 | 373 | msg->cmd, msg->count, |
8ac75529 AC |
374 | msg->bytes, msg->rcount); |
375 | } | |
212380e3 | 376 | |
90187f21 | 377 | DICTIONARY_FOREACH(amsg, &iter, alias_dict) |
8ac75529 AC |
378 | { |
379 | s_assert(amsg->name != NULL); | |
380 | sendto_one_numeric(source_p, RPL_STATSCOMMANDS, | |
381 | form_str(RPL_STATSCOMMANDS), | |
77910830 | 382 | amsg->name, amsg->hits, 0L, 0); |
212380e3 AC |
383 | } |
384 | } | |
385 | ||
386 | /* cancel_clients() | |
387 | * | |
388 | * inputs - client who sent us the message, client with fake | |
29c92cf9 | 389 | * direction |
212380e3 AC |
390 | * outputs - a given warning about the fake direction |
391 | * side effects - | |
392 | */ | |
393 | static void | |
29c92cf9 | 394 | cancel_clients(struct Client *client_p, struct Client *source_p) |
212380e3 AC |
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, | |
b3ebc7ab | 405 | client_p->name); |
212380e3 AC |
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, | |
b3ebc7ab | 415 | client_p->name); |
212380e3 AC |
416 | } |
417 | } | |
418 | ||
419 | /* remove_unknown() | |
420 | * | |
421 | * inputs - client who gave us message, supposed sender, buffer | |
55abcbb2 | 422 | * output - |
212380e3 AC |
423 | * side effects - kills issued for clients, squits for servers |
424 | */ | |
425 | static void | |
1579e155 | 426 | remove_unknown(struct Client *client_p, const char *lsender, char *lbuffer) |
212380e3 AC |
427 | { |
428 | int slen = strlen(lsender); | |
d45f5ea2 JT |
429 | char sid[4]; |
430 | struct Client *server; | |
212380e3 | 431 | |
ba0711fd | 432 | /* meepfoo is a nickname (ignore) |
212380e3 AC |
433 | * #XXXXXXXX is a UID (KILL) |
434 | * #XX is a SID (SQUIT) | |
435 | * meep.foo is a server (SQUIT) | |
436 | */ | |
55abcbb2 | 437 | if((IsDigit(lsender[0]) && slen == 3) || |
212380e3 AC |
438 | (strchr(lsender, '.') != NULL)) |
439 | { | |
440 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
441 | "Unknown prefix (%s) from %s, Squitting %s", | |
b3ebc7ab | 442 | lbuffer, client_p->name, lsender); |
212380e3 AC |
443 | |
444 | sendto_one(client_p, | |
445 | ":%s SQUIT %s :(Unknown prefix (%s) from %s)", | |
55abcbb2 | 446 | get_id(&me, client_p), lsender, |
212380e3 AC |
447 | lbuffer, client_p->name); |
448 | } | |
d45f5ea2 JT |
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) | |
55abcbb2 | 461 | sendto_one(client_p, ":%s KILL %s :%s (Unknown Client)", |
d45f5ea2 JT |
462 | get_id(&me, client_p), lsender, me.name); |
463 | } | |
212380e3 AC |
464 | } |
465 | ||
466 | ||
467 | ||
468 | /* | |
469 | * | |
470 | * parc number of arguments ('sender' counted as one!) | |
212380e3 AC |
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 | |
4d03595d | 482 | do_numeric(int numeric, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
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. */ | |
4d03595d AC |
491 | if(numeric < 100) |
492 | numeric += 100; | |
212380e3 AC |
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 | { | |
5203cba5 | 508 | tl = sprintf(t, " %s", parv[i]); |
212380e3 AC |
509 | t += tl; |
510 | } | |
5203cba5 | 511 | sprintf(t, " :%s", parv[parc - 1]); |
212380e3 AC |
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 | |
55abcbb2 | 529 | * "right thing" on a nick collision, we have to keep both kills. |
212380e3 AC |
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 | */ | |
4d03595d AC |
539 | if(numeric != ERR_NOSUCHNICK && |
540 | numeric != ERR_NOSUCHSERVER) | |
212380e3 | 541 | sendto_realops_snomask(SNO_GENERAL, L_ADMIN, |
4d03595d | 542 | "*** %s(via %s) sent a %03d numeric to me: %s", |
212380e3 AC |
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. */ | |
4d03595d | 556 | if(numeric == ERR_UMODEUNKNOWNFLAG && MyClient(target_p)) |
212380e3 AC |
557 | return; |
558 | ||
559 | /* Fake it for server hiding, if its our client */ | |
4d03595d | 560 | sendto_one(target_p, ":%s %03d %s%s", |
55abcbb2 | 561 | get_id(source_p, target_p), numeric, |
212380e3 AC |
562 | get_id(target_p, target_p), buffer); |
563 | return; | |
564 | } | |
565 | else if((chptr = find_channel(parv[1])) != NULL) | |
06b697a2 | 566 | sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, |
4d03595d | 567 | "%03d %s%s", |
06b697a2 | 568 | numeric, chptr->chname, buffer); |
212380e3 AC |
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 | |
4a84a763 | 619 | m_not_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
620 | { |
621 | sendto_one_numeric(source_p, ERR_NOPRIVILEGES, form_str(ERR_NOPRIVILEGES)); | |
622 | return 0; | |
623 | } | |
624 | ||
625 | int | |
4a84a763 | 626 | m_unregistered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
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 | |
4a84a763 | 643 | m_registered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
644 | { |
645 | sendto_one(client_p, form_str(ERR_ALREADYREGISTRED), me.name, source_p->name); | |
646 | return 0; | |
647 | } | |
648 | ||
649 | int | |
4a84a763 | 650 | m_ignore(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
651 | { |
652 | return 0; | |
653 | } |