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212380e3 | 1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_message.c: Sends a (PRIVMSG|NOTICE) message to a user or channel. | |
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 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
212380e3 | 24 | */ |
25 | ||
26 | #include "stdinc.h" | |
27 | #include "client.h" | |
28 | #include "ircd.h" | |
29 | #include "numeric.h" | |
30 | #include "common.h" | |
31 | #include "s_conf.h" | |
32 | #include "s_serv.h" | |
33 | #include "msg.h" | |
34 | #include "parse.h" | |
35 | #include "modules.h" | |
36 | #include "channel.h" | |
13ae2f4b | 37 | #include "match.h" |
212380e3 | 38 | #include "hash.h" |
39 | #include "class.h" | |
40 | #include "msg.h" | |
41 | #include "packet.h" | |
42 | #include "send.h" | |
212380e3 | 43 | #include "s_newconf.h" |
26f754d9 | 44 | #include "s_stats.h" |
878733fd | 45 | #include "tgchange.h" |
7e8e21a4 | 46 | #include "inline/stringops.h" |
75a9b0c8 | 47 | #include "irc_dictionary.h" |
1fe75e33 | 48 | #include "channel.h" |
212380e3 | 49 | |
50 | static int m_message(int, const char *, struct Client *, struct Client *, int, const char **); | |
51 | static int m_privmsg(struct Client *, struct Client *, int, const char **); | |
52 | static int m_notice(struct Client *, struct Client *, int, const char **); | |
53 | ||
54 | static void expire_tgchange(void *unused); | |
bfccb2c0 | 55 | static struct ev_entry *expire_tgchange_event; |
212380e3 | 56 | |
1fe75e33 G |
57 | struct module_modes ModuleModes; |
58 | ||
212380e3 | 59 | static int |
60 | modinit(void) | |
61 | { | |
bfccb2c0 | 62 | expire_tgchange_event = rb_event_addish("expire_tgchange", expire_tgchange, NULL, 300); |
212380e3 | 63 | expire_tgchange(NULL); |
64 | return 0; | |
65 | } | |
66 | ||
67 | static void | |
68 | moddeinit(void) | |
69 | { | |
bfccb2c0 | 70 | rb_event_delete(expire_tgchange_event); |
212380e3 | 71 | } |
72 | ||
73 | struct Message privmsg_msgtab = { | |
74 | "PRIVMSG", 0, 0, 0, MFLG_SLOW | MFLG_UNREG, | |
75 | {mg_unreg, {m_privmsg, 0}, {m_privmsg, 0}, mg_ignore, mg_ignore, {m_privmsg, 0}} | |
76 | }; | |
77 | struct Message notice_msgtab = { | |
78 | "NOTICE", 0, 0, 0, MFLG_SLOW, | |
79 | {mg_unreg, {m_notice, 0}, {m_notice, 0}, {m_notice, 0}, mg_ignore, {m_notice, 0}} | |
80 | }; | |
81 | ||
82 | mapi_clist_av1 message_clist[] = { &privmsg_msgtab, ¬ice_msgtab, NULL }; | |
83 | ||
63aecfb9 | 84 | DECLARE_MODULE_AV1(message, modinit, moddeinit, message_clist, NULL, NULL, "$Revision: 3173 $"); |
212380e3 | 85 | |
86 | struct entity | |
87 | { | |
88 | void *ptr; | |
89 | int type; | |
90 | int flags; | |
91 | }; | |
92 | ||
93 | static int build_target_list(int p_or_n, const char *command, | |
94 | struct Client *client_p, | |
95 | struct Client *source_p, const char *nicks_channels, const char *text); | |
96 | ||
97 | static int flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p); | |
98 | static int flood_attack_channel(int p_or_n, struct Client *source_p, | |
99 | struct Channel *chptr, char *chname); | |
212380e3 | 100 | |
fcda5662 JT |
101 | /* Fifteen seconds should be plenty for a client to reply a ctcp */ |
102 | #define LARGE_CTCP_TIME 15 | |
103 | ||
212380e3 | 104 | #define ENTITY_NONE 0 |
105 | #define ENTITY_CHANNEL 1 | |
6ce8910d JT |
106 | #define ENTITY_CHANNEL_OPMOD 2 |
107 | #define ENTITY_CHANOPS_ON_CHANNEL 3 | |
108 | #define ENTITY_CLIENT 4 | |
212380e3 | 109 | |
110 | static struct entity targets[512]; | |
111 | static int ntargets = 0; | |
112 | ||
113 | static int duplicate_ptr(void *); | |
114 | ||
115 | static void msg_channel(int p_or_n, const char *command, | |
116 | struct Client *client_p, | |
117 | struct Client *source_p, struct Channel *chptr, const char *text); | |
118 | ||
6ce8910d JT |
119 | static void msg_channel_opmod(int p_or_n, const char *command, |
120 | struct Client *client_p, | |
121 | struct Client *source_p, struct Channel *chptr, | |
122 | const char *text); | |
123 | ||
212380e3 | 124 | static void msg_channel_flags(int p_or_n, const char *command, |
125 | struct Client *client_p, | |
126 | struct Client *source_p, | |
127 | struct Channel *chptr, int flags, const char *text); | |
128 | ||
129 | static void msg_client(int p_or_n, const char *command, | |
130 | struct Client *source_p, struct Client *target_p, const char *text); | |
131 | ||
132 | static void handle_special(int p_or_n, const char *command, | |
133 | struct Client *client_p, struct Client *source_p, const char *nick, | |
134 | const char *text); | |
135 | ||
136 | /* | |
137 | ** m_privmsg | |
138 | ** | |
139 | ** massive cleanup | |
140 | ** rev argv 6/91 | |
141 | ** | |
142 | ** Another massive cleanup Nov, 2000 | |
143 | ** (I don't think there is a single line left from 6/91. Maybe.) | |
144 | ** m_privmsg and m_notice do basically the same thing. | |
145 | ** in the original 2.8.2 code base, they were the same function | |
146 | ** "m_message.c." When we did the great cleanup in conjuncton with bleep | |
147 | ** of ircu fame, we split m_privmsg.c and m_notice.c. | |
148 | ** I don't see the point of that now. Its harder to maintain, its | |
149 | ** easier to introduce bugs into one version and not the other etc. | |
150 | ** Really, the penalty of an extra function call isn't that big a deal folks. | |
151 | ** -db Nov 13, 2000 | |
152 | ** | |
153 | */ | |
154 | ||
155 | #define PRIVMSG 0 | |
156 | #define NOTICE 1 | |
157 | ||
158 | static int | |
159 | m_privmsg(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
160 | { | |
161 | return m_message(PRIVMSG, "PRIVMSG", client_p, source_p, parc, parv); | |
162 | } | |
163 | ||
164 | static int | |
165 | m_notice(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
166 | { | |
167 | return m_message(NOTICE, "NOTICE", client_p, source_p, parc, parv); | |
168 | } | |
169 | ||
170 | /* | |
171 | * inputs - flag privmsg or notice | |
172 | * - pointer to command "PRIVMSG" or "NOTICE" | |
173 | * - pointer to client_p | |
174 | * - pointer to source_p | |
175 | * - pointer to channel | |
176 | */ | |
177 | static int | |
178 | m_message(int p_or_n, | |
179 | const char *command, | |
180 | struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
181 | { | |
182 | int i; | |
183 | ||
184 | if(parc < 2 || EmptyString(parv[1])) | |
185 | { | |
186 | if(p_or_n != NOTICE) | |
187 | sendto_one(source_p, form_str(ERR_NORECIPIENT), me.name, | |
188 | source_p->name, command); | |
189 | return 0; | |
190 | } | |
191 | ||
192 | if(parc < 3 || EmptyString(parv[2])) | |
193 | { | |
194 | if(p_or_n != NOTICE) | |
195 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
196 | return 0; | |
197 | } | |
198 | ||
199 | /* Finish the flood grace period if theyre not messaging themselves | |
200 | * as some clients (ircN) do this as a "lag check" | |
201 | */ | |
202 | if(MyClient(source_p) && !IsFloodDone(source_p) && irccmp(source_p->name, parv[1])) | |
203 | flood_endgrace(source_p); | |
204 | ||
205 | if(build_target_list(p_or_n, command, client_p, source_p, parv[1], parv[2]) < 0) | |
206 | { | |
207 | return 0; | |
208 | } | |
209 | ||
210 | for(i = 0; i < ntargets; i++) | |
211 | { | |
212 | switch (targets[i].type) | |
213 | { | |
214 | case ENTITY_CHANNEL: | |
215 | msg_channel(p_or_n, command, client_p, source_p, | |
216 | (struct Channel *) targets[i].ptr, parv[2]); | |
217 | break; | |
218 | ||
6ce8910d JT |
219 | case ENTITY_CHANNEL_OPMOD: |
220 | msg_channel_opmod(p_or_n, command, client_p, source_p, | |
221 | (struct Channel *) targets[i].ptr, parv[2]); | |
222 | break; | |
223 | ||
212380e3 | 224 | case ENTITY_CHANOPS_ON_CHANNEL: |
225 | msg_channel_flags(p_or_n, command, client_p, source_p, | |
226 | (struct Channel *) targets[i].ptr, | |
227 | targets[i].flags, parv[2]); | |
228 | break; | |
229 | ||
230 | case ENTITY_CLIENT: | |
231 | msg_client(p_or_n, command, source_p, | |
232 | (struct Client *) targets[i].ptr, parv[2]); | |
233 | break; | |
234 | } | |
235 | } | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
240 | /* | |
241 | * build_target_list | |
242 | * | |
243 | * inputs - pointer to given client_p (server) | |
244 | * - pointer to given source (oper/client etc.) | |
245 | * - pointer to list of nicks/channels | |
246 | * - pointer to table to place results | |
247 | * - pointer to text (only used if source_p is an oper) | |
248 | * output - number of valid entities | |
249 | * side effects - target_table is modified to contain a list of | |
250 | * pointers to channels or clients | |
251 | * if source client is an oper | |
252 | * all the classic old bizzare oper privmsg tricks | |
253 | * are parsed and sent as is, if prefixed with $ | |
254 | * to disambiguate. | |
255 | * | |
256 | */ | |
257 | ||
258 | static int | |
259 | build_target_list(int p_or_n, const char *command, struct Client *client_p, | |
260 | struct Client *source_p, const char *nicks_channels, const char *text) | |
261 | { | |
262 | int type; | |
263 | char *p, *nick, *target_list; | |
264 | struct Channel *chptr = NULL; | |
265 | struct Client *target_p; | |
266 | ||
267 | target_list = LOCAL_COPY(nicks_channels); /* skip strcpy for non-lazyleafs */ | |
268 | ||
269 | ntargets = 0; | |
270 | ||
dcbd1d07 | 271 | for(nick = rb_strtok_r(target_list, ",", &p); nick; nick = rb_strtok_r(NULL, ",", &p)) |
212380e3 | 272 | { |
273 | char *with_prefix; | |
274 | /* | |
275 | * channels are privmsg'd a lot more than other clients, moved up | |
276 | * here plain old channel msg? | |
277 | */ | |
278 | ||
279 | if(IsChanPrefix(*nick)) | |
280 | { | |
281 | /* ignore send of local channel to a server (should not happen) */ | |
282 | if(IsServer(client_p) && *nick == '&') | |
283 | continue; | |
284 | ||
285 | if((chptr = find_channel(nick)) != NULL) | |
286 | { | |
287 | if(!duplicate_ptr(chptr)) | |
288 | { | |
289 | if(ntargets >= ConfigFileEntry.max_targets) | |
290 | { | |
291 | sendto_one(source_p, form_str(ERR_TOOMANYTARGETS), | |
292 | me.name, source_p->name, nick); | |
293 | return (1); | |
294 | } | |
295 | targets[ntargets].ptr = (void *) chptr; | |
296 | targets[ntargets++].type = ENTITY_CHANNEL; | |
297 | } | |
298 | } | |
299 | ||
300 | /* non existant channel */ | |
301 | else if(p_or_n != NOTICE) | |
302 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
303 | form_str(ERR_NOSUCHNICK), nick); | |
304 | ||
305 | continue; | |
306 | } | |
307 | ||
308 | if(MyClient(source_p)) | |
309 | target_p = find_named_person(nick); | |
310 | else | |
311 | target_p = find_person(nick); | |
312 | ||
313 | /* look for a privmsg to another client */ | |
314 | if(target_p) | |
315 | { | |
316 | if(!duplicate_ptr(target_p)) | |
317 | { | |
318 | if(ntargets >= ConfigFileEntry.max_targets) | |
319 | { | |
320 | sendto_one(source_p, form_str(ERR_TOOMANYTARGETS), | |
321 | me.name, source_p->name, nick); | |
322 | return (1); | |
323 | } | |
324 | targets[ntargets].ptr = (void *) target_p; | |
325 | targets[ntargets].type = ENTITY_CLIENT; | |
326 | targets[ntargets++].flags = 0; | |
327 | } | |
328 | continue; | |
329 | } | |
330 | ||
331 | /* @#channel or +#channel message ? */ | |
332 | ||
333 | type = 0; | |
334 | with_prefix = nick; | |
335 | /* allow %+@ if someone wants to do that */ | |
336 | for(;;) | |
337 | { | |
338 | if(*nick == '@') | |
339 | type |= CHFL_CHANOP; | |
340 | else if(*nick == '+') | |
341 | type |= CHFL_CHANOP | CHFL_VOICE; | |
342 | else | |
343 | break; | |
344 | nick++; | |
345 | } | |
346 | ||
347 | if(type != 0) | |
348 | { | |
349 | /* no recipient.. */ | |
350 | if(EmptyString(nick)) | |
351 | { | |
352 | sendto_one(source_p, form_str(ERR_NORECIPIENT), | |
353 | me.name, source_p->name, command); | |
354 | continue; | |
355 | } | |
356 | ||
357 | /* At this point, nick+1 should be a channel name i.e. #foo or &foo | |
358 | * if the channel is found, fine, if not report an error | |
359 | */ | |
360 | ||
361 | if((chptr = find_channel(nick)) != NULL) | |
362 | { | |
363 | struct membership *msptr; | |
364 | ||
365 | msptr = find_channel_membership(chptr, source_p); | |
366 | ||
7469e4b0 | 367 | if(!IsServer(source_p) && !IsService(source_p) && !is_chanop_voiced(msptr)) |
212380e3 | 368 | { |
369 | sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), | |
c925bc77 JT |
370 | get_id(&me, source_p), |
371 | get_id(source_p, source_p), | |
372 | with_prefix); | |
212380e3 | 373 | return (-1); |
374 | } | |
375 | ||
376 | if(!duplicate_ptr(chptr)) | |
377 | { | |
378 | if(ntargets >= ConfigFileEntry.max_targets) | |
379 | { | |
380 | sendto_one(source_p, form_str(ERR_TOOMANYTARGETS), | |
381 | me.name, source_p->name, nick); | |
382 | return (1); | |
383 | } | |
384 | targets[ntargets].ptr = (void *) chptr; | |
385 | targets[ntargets].type = ENTITY_CHANOPS_ON_CHANNEL; | |
386 | targets[ntargets++].flags = type; | |
387 | } | |
388 | } | |
389 | else if(p_or_n != NOTICE) | |
390 | { | |
391 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
392 | form_str(ERR_NOSUCHNICK), nick); | |
393 | } | |
394 | ||
395 | continue; | |
396 | } | |
397 | ||
6ce8910d JT |
398 | if(IsServer(client_p) && *nick == '=' && nick[1] == '#') |
399 | { | |
400 | nick++; | |
401 | if((chptr = find_channel(nick)) != NULL) | |
402 | { | |
403 | if(!duplicate_ptr(chptr)) | |
404 | { | |
405 | if(ntargets >= ConfigFileEntry.max_targets) | |
406 | { | |
407 | sendto_one(source_p, form_str(ERR_TOOMANYTARGETS), | |
408 | me.name, source_p->name, nick); | |
409 | return (1); | |
410 | } | |
411 | targets[ntargets].ptr = (void *) chptr; | |
412 | targets[ntargets++].type = ENTITY_CHANNEL_OPMOD; | |
413 | } | |
414 | } | |
415 | ||
416 | /* non existant channel */ | |
417 | else if(p_or_n != NOTICE) | |
418 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
419 | form_str(ERR_NOSUCHNICK), nick); | |
420 | ||
421 | continue; | |
422 | } | |
423 | ||
04bf0760 JT |
424 | if(strchr(nick, '@') || (IsOper(source_p) && (*nick == '$'))) |
425 | { | |
426 | handle_special(p_or_n, command, client_p, source_p, nick, text); | |
427 | continue; | |
428 | } | |
429 | ||
212380e3 | 430 | /* no matching anything found - error if not NOTICE */ |
431 | if(p_or_n != NOTICE) | |
432 | { | |
433 | /* dont give this numeric when source is local, | |
434 | * because its misleading --anfl | |
435 | */ | |
436 | if(!MyClient(source_p) && IsDigit(*nick)) | |
437 | sendto_one(source_p, ":%s %d %s * :Target left IRC. " | |
438 | "Failed to deliver: [%.20s]", | |
439 | get_id(&me, source_p), ERR_NOSUCHNICK, | |
440 | get_id(source_p, source_p), text); | |
441 | else | |
442 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
443 | form_str(ERR_NOSUCHNICK), nick); | |
444 | } | |
445 | ||
446 | } | |
447 | return (1); | |
448 | } | |
449 | ||
450 | /* | |
451 | * duplicate_ptr | |
452 | * | |
453 | * inputs - pointer to check | |
454 | * - pointer to table of entities | |
455 | * - number of valid entities so far | |
456 | * output - YES if duplicate pointer in table, NO if not. | |
457 | * note, this does the canonize using pointers | |
458 | * side effects - NONE | |
459 | */ | |
460 | static int | |
461 | duplicate_ptr(void *ptr) | |
462 | { | |
463 | int i; | |
464 | for(i = 0; i < ntargets; i++) | |
465 | if(targets[i].ptr == ptr) | |
466 | return YES; | |
467 | return NO; | |
468 | } | |
469 | ||
470 | /* | |
471 | * msg_channel | |
472 | * | |
473 | * inputs - flag privmsg or notice | |
474 | * - pointer to command "PRIVMSG" or "NOTICE" | |
475 | * - pointer to client_p | |
476 | * - pointer to source_p | |
477 | * - pointer to channel | |
478 | * output - NONE | |
479 | * side effects - message given channel | |
480 | * | |
481 | * XXX - We need to rework this a bit, it's a tad ugly. --nenolod | |
482 | */ | |
483 | static void | |
484 | msg_channel(int p_or_n, const char *command, | |
485 | struct Client *client_p, struct Client *source_p, struct Channel *chptr, | |
486 | const char *text) | |
487 | { | |
488 | int result; | |
489 | char text2[BUFSIZE]; | |
b705a46f | 490 | size_t contor; |
2b3c7c29 G |
491 | int caps = 0; |
492 | int len = 0; | |
5ad94b50 | 493 | struct membership *msptr = find_channel_membership(chptr, source_p); |
9a4dc29c | 494 | struct Metadata *md; |
212380e3 | 495 | |
496 | if(MyClient(source_p)) | |
497 | { | |
498 | /* idle time shouldnt be reset by notices --fl */ | |
499 | if(p_or_n != NOTICE) | |
9f6bbe3c | 500 | source_p->localClient->last = rb_current_time(); |
212380e3 | 501 | } |
502 | ||
1fe75e33 | 503 | if(chptr->mode.mode & ModuleModes.MODE_NOREPEAT) |
9a4dc29c | 504 | { |
e80126d0 | 505 | rb_strlcpy(text2, text, BUFSIZE); |
aa9a8067 | 506 | strip_unprintable(text2); |
9a4dc29c G |
507 | md = channel_metadata_find(chptr, "NOREPEAT"); |
508 | if(md && (!ConfigChannel.exempt_cmode_K || !is_any_op(msptr))) | |
509 | { | |
e80126d0 | 510 | if(!(strcmp(md->value, text2))) |
9a4dc29c G |
511 | { |
512 | if(p_or_n != NOTICE) | |
b6a3d801 | 513 | sendto_one_numeric(source_p, 404, "%s :Cannot send to channel - Message blocked due to repeating (+K set)", chptr->chname); |
9a4dc29c G |
514 | return; |
515 | } | |
516 | } | |
517 | channel_metadata_delete(chptr, "NOREPEAT", 0); | |
e80126d0 | 518 | channel_metadata_add(chptr, "NOREPEAT", text2, 0); |
9a4dc29c G |
519 | } |
520 | ||
1fe75e33 | 521 | if(chptr->mode.mode & ModuleModes.MODE_NOCOLOR && (!ConfigChannel.exempt_cmode_c || !is_any_op(msptr))) |
212380e3 | 522 | { |
907468c4 | 523 | rb_strlcpy(text2, text, BUFSIZE); |
212380e3 | 524 | strip_colour(text2); |
525 | text = text2; | |
526 | if (EmptyString(text)) | |
527 | { | |
528 | /* could be empty after colour stripping and | |
529 | * that would cause problems later */ | |
530 | if(p_or_n != NOTICE) | |
531 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
532 | return; | |
533 | } | |
534 | } | |
535 | ||
536 | /* chanops and voiced can flood their own channel with impunity */ | |
537 | if((result = can_send(chptr, source_p, NULL))) | |
538 | { | |
9e94d9ea JT |
539 | if(result != CAN_SEND_OPV && MyClient(source_p) && |
540 | !IsOper(source_p) && | |
541 | !add_channel_target(source_p, chptr)) | |
542 | { | |
543 | sendto_one(source_p, form_str(ERR_TARGCHANGE), | |
544 | me.name, source_p->name, chptr->chname); | |
545 | return; | |
546 | } | |
212380e3 | 547 | if(result == CAN_SEND_OPV || |
548 | !flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) | |
549 | { | |
1fe75e33 | 550 | if (strlen(text) > 10 && chptr->mode.mode & ModuleModes.MODE_NOCAPS && (!ConfigChannel.exempt_cmode_G || !is_any_op(msptr))) |
2b3c7c29 | 551 | { |
aa9a8067 G |
552 | rb_strlcpy(text2, text, BUFSIZE); |
553 | strip_unprintable(text2); | |
554 | for(contor=0; contor < strlen(text2); contor++) | |
2b3c7c29 | 555 | { |
aa9a8067 | 556 | if(IsUpper(text2[contor]) && !isdigit(text2[contor])) |
2b3c7c29 G |
557 | caps++; |
558 | len++; | |
559 | } | |
560 | if(((caps*100)/(len)) >= 50) | |
561 | { | |
b6a3d801 | 562 | sendto_one_numeric(source_p, 404, "%s :Cannot send to channel - Your message contains mostly capital letters (+G set)", chptr->chname); |
2b3c7c29 G |
563 | return; |
564 | } | |
565 | } | |
1fe75e33 | 566 | if (p_or_n != PRIVMSG && chptr->mode.mode & ModuleModes.MODE_NONOTICE && (!ConfigChannel.exempt_cmode_T || !is_any_op(msptr))) |
6afd4b91 | 567 | { |
b6a3d801 | 568 | sendto_one_numeric(source_p, 404, "%s :Cannot send to channel - Notices are disallowed (+T set)", chptr->chname); |
7e6c9180 G |
569 | return; |
570 | } | |
1fe75e33 | 571 | if (p_or_n != NOTICE && chptr->mode.mode & ModuleModes.MODE_NOACTION && |
5ad94b50 G |
572 | !strncasecmp(text + 1, "ACTION", 6) && |
573 | (!ConfigChannel.exempt_cmode_D || !is_any_op(msptr))) | |
7e6c9180 | 574 | { |
b6a3d801 | 575 | sendto_one_numeric(source_p, 404, "%s :Cannot send to channel - ACTIONs are disallowed (+D set)", chptr->chname); |
6afd4b91 G |
576 | return; |
577 | } | |
343e2395 JT |
578 | if (p_or_n != NOTICE && *text == '\001' && |
579 | strncasecmp(text + 1, "ACTION", 6)) | |
92a79951 | 580 | { |
1fe75e33 | 581 | if (chptr->mode.mode & ModuleModes.MODE_NOCTCP && (!ConfigChannel.exempt_cmode_C || !is_any_op(msptr))) |
92a79951 | 582 | { |
b6a3d801 | 583 | sendto_one_numeric(source_p, 404, "%s :Cannot send to channel - CTCPs to this channel are disallowed (+C set)", chptr->chname); |
92a79951 WP |
584 | return; |
585 | } | |
586 | else if (rb_dlink_list_length(&chptr->locmembers) > (unsigned)(GlobalSetOptions.floodcount / 2)) | |
587 | source_p->large_ctcp_sent = rb_current_time(); | |
588 | } | |
212380e3 | 589 | sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, |
590 | "%s %s :%s", command, chptr->chname, text); | |
591 | } | |
592 | } | |
1fe75e33 | 593 | else if(chptr->mode.mode & ModuleModes.MODE_OPMODERATE && |
59eedf15 JT |
594 | (!(chptr->mode.mode & MODE_NOPRIVMSGS) || |
595 | IsMember(source_p, chptr))) | |
212380e3 | 596 | { |
9e94d9ea JT |
597 | if(MyClient(source_p) && !IsOper(source_p) && |
598 | !add_channel_target(source_p, chptr)) | |
599 | { | |
600 | sendto_one(source_p, form_str(ERR_TARGCHANGE), | |
601 | me.name, source_p->name, chptr->chname); | |
602 | return; | |
603 | } | |
212380e3 | 604 | if(!flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) |
605 | { | |
6ce8910d JT |
606 | sendto_channel_opmod(client_p, source_p, chptr, |
607 | command, text); | |
608 | } | |
609 | } | |
610 | else | |
611 | { | |
612 | if(p_or_n != NOTICE) | |
613 | sendto_one_numeric(source_p, ERR_CANNOTSENDTOCHAN, | |
614 | form_str(ERR_CANNOTSENDTOCHAN), chptr->chname); | |
615 | } | |
616 | } | |
617 | /* | |
618 | * msg_channel_opmod | |
619 | * | |
620 | * inputs - flag privmsg or notice | |
621 | * - pointer to command "PRIVMSG" or "NOTICE" | |
622 | * - pointer to client_p | |
623 | * - pointer to source_p | |
624 | * - pointer to channel | |
625 | * output - NONE | |
626 | * side effects - message given channel ops | |
627 | * | |
628 | * XXX - We need to rework this a bit, it's a tad ugly. --nenolod | |
629 | */ | |
630 | static void | |
631 | msg_channel_opmod(int p_or_n, const char *command, | |
632 | struct Client *client_p, struct Client *source_p, | |
633 | struct Channel *chptr, const char *text) | |
634 | { | |
635 | char text2[BUFSIZE]; | |
636 | ||
1fe75e33 | 637 | if(chptr->mode.mode & ModuleModes.MODE_NOCOLOR) |
6ce8910d JT |
638 | { |
639 | rb_strlcpy(text2, text, BUFSIZE); | |
640 | strip_colour(text2); | |
641 | text = text2; | |
642 | if (EmptyString(text)) | |
643 | { | |
644 | /* could be empty after colour stripping and | |
645 | * that would cause problems later */ | |
646 | if(p_or_n != NOTICE) | |
647 | sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); | |
648 | return; | |
649 | } | |
650 | } | |
651 | ||
1fe75e33 | 652 | if(chptr->mode.mode & ModuleModes.MODE_OPMODERATE && |
6ce8910d JT |
653 | (!(chptr->mode.mode & MODE_NOPRIVMSGS) || |
654 | IsMember(source_p, chptr))) | |
655 | { | |
656 | if(!flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) | |
657 | { | |
658 | sendto_channel_opmod(client_p, source_p, chptr, | |
659 | command, text); | |
212380e3 | 660 | } |
661 | } | |
662 | else | |
663 | { | |
664 | if(p_or_n != NOTICE) | |
665 | sendto_one_numeric(source_p, ERR_CANNOTSENDTOCHAN, | |
666 | form_str(ERR_CANNOTSENDTOCHAN), chptr->chname); | |
667 | } | |
668 | } | |
669 | ||
670 | /* | |
671 | * msg_channel_flags | |
672 | * | |
673 | * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC | |
674 | * say NOTICE must not auto reply | |
675 | * - pointer to command, "PRIVMSG" or "NOTICE" | |
676 | * - pointer to client_p | |
677 | * - pointer to source_p | |
678 | * - pointer to channel | |
679 | * - flags | |
680 | * - pointer to text to send | |
681 | * output - NONE | |
682 | * side effects - message given channel either chanop or voice | |
683 | */ | |
684 | static void | |
685 | msg_channel_flags(int p_or_n, const char *command, struct Client *client_p, | |
686 | struct Client *source_p, struct Channel *chptr, int flags, const char *text) | |
687 | { | |
688 | int type; | |
689 | char c; | |
690 | ||
691 | if(flags & CHFL_VOICE) | |
692 | { | |
693 | type = ONLY_CHANOPSVOICED; | |
694 | c = '+'; | |
695 | } | |
696 | else | |
697 | { | |
698 | type = ONLY_CHANOPS; | |
699 | c = '@'; | |
700 | } | |
701 | ||
702 | if(MyClient(source_p)) | |
703 | { | |
704 | /* idletime shouldnt be reset by notice --fl */ | |
705 | if(p_or_n != NOTICE) | |
9f6bbe3c | 706 | source_p->localClient->last = rb_current_time(); |
212380e3 | 707 | } |
708 | ||
709 | sendto_channel_flags(client_p, type, source_p, chptr, "%s %c%s :%s", | |
710 | command, c, chptr->chname, text); | |
711 | } | |
712 | ||
212380e3 | 713 | static void |
714 | expire_tgchange(void *unused) | |
715 | { | |
716 | tgchange *target; | |
90a3c35b | 717 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 718 | |
90a3c35b | 719 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, tgchange_list.head) |
212380e3 | 720 | { |
721 | target = ptr->data; | |
722 | ||
9f6bbe3c | 723 | if(target->expiry < rb_current_time()) |
212380e3 | 724 | { |
31c047d7 WP |
725 | rb_dlinkDelete(ptr, &tgchange_list); |
726 | rb_patricia_remove(tgchange_tree, target->pnode); | |
a55e5724 VY |
727 | rb_free(target->ip); |
728 | rb_free(target); | |
212380e3 | 729 | } |
730 | } | |
731 | } | |
732 | ||
212380e3 | 733 | /* |
734 | * msg_client | |
735 | * | |
736 | * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC | |
737 | * say NOTICE must not auto reply | |
738 | * - pointer to command, "PRIVMSG" or "NOTICE" | |
739 | * - pointer to source_p source (struct Client *) | |
740 | * - pointer to target_p target (struct Client *) | |
741 | * - pointer to text | |
742 | * output - NONE | |
743 | * side effects - message given channel either chanop or voice | |
744 | */ | |
745 | static void | |
746 | msg_client(int p_or_n, const char *command, | |
747 | struct Client *source_p, struct Client *target_p, const char *text) | |
748 | { | |
8acef9de | 749 | int do_floodcount = 0; |
1fbf6db6 | 750 | struct Metadata *md; |
75a9b0c8 | 751 | struct DictionaryIter iter; |
1c646b89 | 752 | int oaccept = 0; |
2498a1b5 | 753 | char text3[10]; |
8acef9de | 754 | |
212380e3 | 755 | if(MyClient(source_p)) |
756 | { | |
33736ea7 JH |
757 | /* |
758 | * XXX: Controversial? Allow target users to send replies | |
759 | * through a +g. Rationale is that people can presently use +g | |
760 | * as a way to taunt users, e.g. harass them and hide behind +g | |
761 | * as a way of griefing. --nenolod | |
762 | */ | |
763 | if(p_or_n != NOTICE && MyClient(source_p) && | |
764 | IsSetCallerId(source_p) && | |
01b2be6f | 765 | IsSetSCallerId(source_p) && |
2588ff97 | 766 | !accept_message(target_p, source_p)) |
33736ea7 JH |
767 | { |
768 | if(rb_dlink_list_length(&source_p->localClient->allow_list) < | |
769 | ConfigFileEntry.max_accept) | |
770 | { | |
771 | rb_dlinkAddAlloc(target_p, &source_p->localClient->allow_list); | |
772 | rb_dlinkAddAlloc(source_p, &target_p->on_allow_list); | |
773 | } | |
774 | else | |
775 | { | |
776 | sendto_one_numeric(source_p, ERR_OWNMODE, | |
777 | form_str(ERR_OWNMODE), | |
778 | target_p->name, "+g"); | |
779 | return; | |
780 | } | |
781 | } | |
782 | ||
212380e3 | 783 | /* reset idle time for message only if its not to self |
784 | * and its not a notice */ | |
785 | if(p_or_n != NOTICE) | |
9f6bbe3c | 786 | source_p->localClient->last = rb_current_time(); |
212380e3 | 787 | |
8acef9de JT |
788 | /* auto cprivmsg/cnotice */ |
789 | do_floodcount = !IsOper(source_p) && | |
790 | !find_allowing_channel(source_p, target_p); | |
791 | ||
212380e3 | 792 | /* target change stuff, dont limit ctcp replies as that |
793 | * would allow people to start filling up random users | |
794 | * targets just by ctcping them | |
795 | */ | |
796 | if((p_or_n != NOTICE || *text != '\001') && | |
8acef9de | 797 | ConfigFileEntry.target_change && do_floodcount) |
212380e3 | 798 | { |
799 | if(!add_target(source_p, target_p)) | |
800 | { | |
801 | sendto_one(source_p, form_str(ERR_TARGCHANGE), | |
802 | me.name, source_p->name, target_p->name); | |
803 | return; | |
804 | } | |
805 | } | |
cb9345dc | 806 | |
fcda5662 JT |
807 | if (do_floodcount && p_or_n == NOTICE && *text == '\001' && |
808 | target_p->large_ctcp_sent + LARGE_CTCP_TIME >= rb_current_time()) | |
809 | do_floodcount = 0; | |
810 | ||
cb9345dc JT |
811 | if (do_floodcount && |
812 | flood_attack_client(p_or_n, source_p, target_p)) | |
813 | return; | |
212380e3 | 814 | } |
815 | else if(source_p->from == target_p->from) | |
816 | { | |
817 | sendto_realops_snomask(SNO_DEBUG, L_ALL, | |
818 | "Send message to %s[%s] dropped from %s(Fake Dir)", | |
819 | target_p->name, target_p->from->name, source_p->name); | |
820 | return; | |
821 | } | |
822 | ||
c387fc41 | 823 | if(MyConnect(source_p) && (p_or_n != NOTICE) && target_p->user && target_p->user->away) |
212380e3 | 824 | sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY), |
c387fc41 | 825 | target_p->name, target_p->user->away); |
212380e3 | 826 | |
827 | if(MyClient(target_p)) | |
828 | { | |
0099f31a G |
829 | if (IsSetNoCTCP(target_p) && p_or_n != NOTICE && *text == '\001' && strncasecmp(text + 1, "ACTION", 6)) |
830 | { | |
831 | sendto_one_numeric(source_p, ERR_NOCTCP, | |
832 | form_str(ERR_NOCTCP), | |
833 | target_p->name); | |
834 | } | |
1fbf6db6 | 835 | /* If opers want to go through +g, they should load oaccept.*/ |
85465c43 | 836 | else if(!IsServer(source_p) && !IsService(source_p) && (IsSetCallerId(target_p) || |
99c78094 G |
837 | (IsSetSCallerId(target_p) && !has_common_channel(source_p, target_p)) || |
838 | (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0]))) | |
212380e3 | 839 | { |
1c646b89 | 840 | if (IsOper(source_p)) |
1fbf6db6 | 841 | { |
2498a1b5 | 842 | rb_snprintf(text3, sizeof(text3), "O%s", source_p->id); |
75a9b0c8 | 843 | DICTIONARY_FOREACH(md, &iter, target_p->user->metadata) |
1fbf6db6 | 844 | { |
bc4764ae | 845 | if(!strcmp(md->value, "OACCEPT") && !strcmp(md->name, text3)) |
75a9b0c8 | 846 | { |
1c646b89 | 847 | oaccept = 1; |
75a9b0c8 G |
848 | break; |
849 | } | |
1fbf6db6 G |
850 | } |
851 | } | |
1c646b89 G |
852 | /* Here is the anti-flood bot/spambot code -db */ |
853 | if(accept_message(source_p, target_p) || oaccept) | |
854 | { | |
855 | add_reply_target(target_p, source_p); | |
856 | sendto_one(target_p, ":%s!%s@%s %s %s :%s", | |
857 | source_p->name, | |
858 | source_p->username, | |
859 | source_p->host, command, target_p->name, text); | |
860 | } | |
99c78094 | 861 | else if (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0]) |
212380e3 | 862 | { |
99c78094 G |
863 | if (p_or_n != NOTICE) |
864 | sendto_one_numeric(source_p, ERR_NONONREG, | |
865 | form_str(ERR_NONONREG), | |
866 | target_p->name); | |
61ffa214 | 867 | } |
99c78094 | 868 | else if (IsSetSCallerId(target_p) && !has_common_channel(source_p, target_p)) |
61ffa214 | 869 | { |
99c78094 G |
870 | if (p_or_n != NOTICE) |
871 | sendto_one_numeric(source_p, ERR_NOCOMMONCHAN, | |
872 | form_str(ERR_NOCOMMONCHAN), | |
873 | target_p->name); | |
61ffa214 | 874 | } |
99c78094 | 875 | else |
212380e3 | 876 | { |
99c78094 | 877 | /* check for accept, flag recipient incoming message */ |
212380e3 | 878 | if(p_or_n != NOTICE) |
99c78094 G |
879 | { |
880 | sendto_one_numeric(source_p, ERR_TARGUMODEG, | |
881 | form_str(ERR_TARGUMODEG), | |
212380e3 | 882 | target_p->name); |
99c78094 | 883 | } |
212380e3 | 884 | |
99c78094 G |
885 | if((target_p->localClient->last_caller_id_time + |
886 | ConfigFileEntry.caller_id_wait) < rb_current_time()) | |
887 | { | |
888 | if(p_or_n != NOTICE) | |
889 | sendto_one_numeric(source_p, RPL_TARGNOTIFY, | |
890 | form_str(RPL_TARGNOTIFY), | |
891 | target_p->name); | |
212380e3 | 892 | |
99c78094 G |
893 | add_reply_target(target_p, source_p); |
894 | sendto_one(target_p, form_str(RPL_UMODEGMSG), | |
895 | me.name, target_p->name, source_p->name, | |
896 | source_p->username, source_p->host); | |
897 | ||
898 | target_p->localClient->last_caller_id_time = rb_current_time(); | |
899 | } | |
212380e3 | 900 | } |
901 | } | |
902 | else | |
7eb93077 JT |
903 | { |
904 | add_reply_target(target_p, source_p); | |
cb9345dc | 905 | sendto_anywhere(target_p, source_p, command, ":%s", text); |
7eb93077 | 906 | } |
212380e3 | 907 | } |
cb9345dc | 908 | else |
212380e3 | 909 | sendto_anywhere(target_p, source_p, command, ":%s", text); |
910 | ||
911 | return; | |
912 | } | |
913 | ||
914 | /* | |
915 | * flood_attack_client | |
916 | * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC | |
917 | * say NOTICE must not auto reply | |
918 | * - pointer to source Client | |
919 | * - pointer to target Client | |
920 | * output - 1 if target is under flood attack | |
921 | * side effects - check for flood attack on target target_p | |
922 | */ | |
923 | static int | |
924 | flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p) | |
925 | { | |
926 | int delta; | |
927 | ||
dada366b JT |
928 | /* Services could get many messages legitimately and |
929 | * can be messaged without rate limiting via aliases | |
930 | * and msg user@server. | |
931 | * -- jilles | |
932 | */ | |
6f7a78f6 | 933 | if(GlobalSetOptions.floodcount && IsClient(source_p) && source_p != target_p && !IsService(target_p) && (!IsOper(source_p) || !ConfigFileEntry.true_no_oper_flood)) |
212380e3 | 934 | { |
dada366b | 935 | if((target_p->first_received_message_time + 1) < rb_current_time()) |
212380e3 | 936 | { |
dada366b JT |
937 | delta = rb_current_time() - target_p->first_received_message_time; |
938 | target_p->received_number_of_privmsgs -= delta; | |
939 | target_p->first_received_message_time = rb_current_time(); | |
940 | if(target_p->received_number_of_privmsgs <= 0) | |
212380e3 | 941 | { |
dada366b JT |
942 | target_p->received_number_of_privmsgs = 0; |
943 | target_p->flood_noticed = 0; | |
212380e3 | 944 | } |
945 | } | |
946 | ||
dada366b JT |
947 | if((target_p->received_number_of_privmsgs >= |
948 | GlobalSetOptions.floodcount) || target_p->flood_noticed) | |
212380e3 | 949 | { |
dada366b | 950 | if(target_p->flood_noticed == 0) |
212380e3 | 951 | { |
9f8d60cc | 952 | sendto_realops_snomask(SNO_BOTS, L_NETWIDE, |
212380e3 | 953 | "Possible Flooder %s[%s@%s] on %s target: %s", |
954 | source_p->name, source_p->username, | |
63aecfb9 | 955 | source_p->orighost, |
c88cdb00 | 956 | source_p->servptr->name, target_p->name); |
dada366b | 957 | target_p->flood_noticed = 1; |
212380e3 | 958 | /* add a bit of penalty */ |
dada366b | 959 | target_p->received_number_of_privmsgs += 2; |
212380e3 | 960 | } |
961 | if(MyClient(source_p) && (p_or_n != NOTICE)) | |
962 | sendto_one(source_p, | |
963 | ":%s NOTICE %s :*** Message to %s throttled due to flooding", | |
964 | me.name, source_p->name, target_p->name); | |
965 | return 1; | |
966 | } | |
967 | else | |
dada366b | 968 | target_p->received_number_of_privmsgs++; |
212380e3 | 969 | } |
970 | ||
971 | return 0; | |
972 | } | |
973 | ||
974 | /* | |
975 | * flood_attack_channel | |
976 | * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC | |
977 | * says NOTICE must not auto reply | |
978 | * - pointer to source Client | |
979 | * - pointer to target channel | |
980 | * output - 1 if target is under flood attack | |
981 | * side effects - check for flood attack on target chptr | |
982 | */ | |
983 | static int | |
984 | flood_attack_channel(int p_or_n, struct Client *source_p, struct Channel *chptr, char *chname) | |
985 | { | |
986 | int delta; | |
987 | ||
6f7a78f6 | 988 | if(GlobalSetOptions.floodcount && MyClient(source_p) && (!IsOper(source_p) || !ConfigFileEntry.true_no_oper_flood)) |
212380e3 | 989 | { |
9f6bbe3c | 990 | if((chptr->first_received_message_time + 1) < rb_current_time()) |
212380e3 | 991 | { |
9f6bbe3c | 992 | delta = rb_current_time() - chptr->first_received_message_time; |
212380e3 | 993 | chptr->received_number_of_privmsgs -= delta; |
9f6bbe3c | 994 | chptr->first_received_message_time = rb_current_time(); |
212380e3 | 995 | if(chptr->received_number_of_privmsgs <= 0) |
996 | { | |
997 | chptr->received_number_of_privmsgs = 0; | |
998 | chptr->flood_noticed = 0; | |
999 | } | |
1000 | } | |
1001 | ||
1002 | if((chptr->received_number_of_privmsgs >= GlobalSetOptions.floodcount) | |
1003 | || chptr->flood_noticed) | |
1004 | { | |
1005 | if(chptr->flood_noticed == 0) | |
1006 | { | |
9f8d60cc | 1007 | sendto_realops_snomask(SNO_BOTS, *chptr->chname == '&' ? L_ALL : L_NETWIDE, |
212380e3 | 1008 | "Possible Flooder %s[%s@%s] on %s target: %s", |
1009 | source_p->name, source_p->username, | |
63aecfb9 | 1010 | source_p->orighost, |
c88cdb00 | 1011 | source_p->servptr->name, chptr->chname); |
212380e3 | 1012 | chptr->flood_noticed = 1; |
1013 | ||
1014 | /* Add a bit of penalty */ | |
1015 | chptr->received_number_of_privmsgs += 2; | |
1016 | } | |
1017 | if(MyClient(source_p) && (p_or_n != NOTICE)) | |
1018 | sendto_one(source_p, | |
1019 | ":%s NOTICE %s :*** Message to %s throttled due to flooding", | |
1020 | me.name, source_p->name, chptr->chname); | |
1021 | return 1; | |
1022 | } | |
1023 | else | |
1024 | chptr->received_number_of_privmsgs++; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | /* | |
1032 | * handle_special | |
1033 | * | |
1034 | * inputs - server pointer | |
1035 | * - client pointer | |
1036 | * - nick stuff to grok for opers | |
1037 | * - text to send if grok | |
1038 | * output - none | |
1039 | * side effects - all the traditional oper type messages are parsed here. | |
1040 | * i.e. "/msg #some.host." | |
1041 | * However, syntax has been changed. | |
1042 | * previous syntax "/msg #some.host.mask" | |
1043 | * now becomes "/msg $#some.host.mask" | |
1044 | * previous syntax of: "/msg $some.server.mask" remains | |
1045 | * This disambiguates the syntax. | |
1046 | */ | |
1047 | static void | |
1048 | handle_special(int p_or_n, const char *command, struct Client *client_p, | |
1049 | struct Client *source_p, const char *nick, const char *text) | |
1050 | { | |
1051 | struct Client *target_p; | |
212380e3 | 1052 | char *server; |
1053 | char *s; | |
212380e3 | 1054 | |
1055 | /* user[%host]@server addressed? | |
1056 | * NOTE: users can send to user@server, but not user%host@server | |
1057 | * or opers@server | |
1058 | */ | |
1059 | if((server = strchr(nick, '@')) != NULL) | |
1060 | { | |
1061 | if((target_p = find_server(source_p, server + 1)) == NULL) | |
1062 | { | |
1063 | sendto_one_numeric(source_p, ERR_NOSUCHSERVER, | |
1064 | form_str(ERR_NOSUCHSERVER), server + 1); | |
1065 | return; | |
1066 | } | |
1067 | ||
212380e3 | 1068 | if(!IsOper(source_p)) |
1069 | { | |
1070 | if(strchr(nick, '%') || (strncmp(nick, "opers", 5) == 0)) | |
1071 | { | |
1072 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
1073 | form_str(ERR_NOSUCHNICK), nick); | |
1074 | return; | |
1075 | } | |
1076 | } | |
1077 | ||
1078 | /* somewhere else.. */ | |
1079 | if(!IsMe(target_p)) | |
1080 | { | |
1081 | sendto_one(target_p, ":%s %s %s :%s", | |
1082 | get_id(source_p, target_p), command, nick, text); | |
1083 | return; | |
1084 | } | |
1085 | ||
212380e3 | 1086 | /* Check if someones msg'ing opers@our.server */ |
ceac83d9 | 1087 | if(strncmp(nick, "opers@", 6) == 0) |
212380e3 | 1088 | { |
1089 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "To opers: From: %s: %s", | |
1090 | source_p->name, text); | |
1091 | return; | |
1092 | } | |
1093 | ||
ceac83d9 JT |
1094 | /* This was not very useful except for bypassing certain |
1095 | * restrictions. Note that we still allow sending to | |
1096 | * remote servers this way, for messaging pseudoservers | |
1097 | * securely whether they have a service{} block or not. | |
1098 | * -- jilles | |
212380e3 | 1099 | */ |
ceac83d9 JT |
1100 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, |
1101 | form_str(ERR_NOSUCHNICK), nick); | |
1102 | return; | |
212380e3 | 1103 | } |
1104 | ||
1105 | /* | |
1106 | * the following two cases allow masks in NOTICEs | |
1107 | * (for OPERs only) | |
1108 | * | |
1109 | * Armin, 8Jun90 (gruner@informatik.tu-muenchen.de) | |
1110 | */ | |
1111 | if(IsOper(source_p) && *nick == '$') | |
1112 | { | |
1113 | if((*(nick + 1) == '$' || *(nick + 1) == '#')) | |
1114 | nick++; | |
1115 | else if(MyOper(source_p)) | |
1116 | { | |
1117 | sendto_one(source_p, | |
1118 | ":%s NOTICE %s :The command %s %s is no longer supported, please use $%s", | |
1119 | me.name, source_p->name, command, nick, nick); | |
1120 | return; | |
1121 | } | |
1122 | ||
c13a2d9a JT |
1123 | if(MyClient(source_p) && !IsOperMassNotice(source_p)) |
1124 | { | |
1125 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
1126 | me.name, source_p->name, "mass_notice"); | |
1127 | return; | |
1128 | } | |
1129 | ||
212380e3 | 1130 | if((s = strrchr(nick, '.')) == NULL) |
1131 | { | |
1132 | sendto_one_numeric(source_p, ERR_NOTOPLEVEL, | |
1133 | form_str(ERR_NOTOPLEVEL), nick); | |
1134 | return; | |
1135 | } | |
1136 | while(*++s) | |
1137 | if(*s == '.' || *s == '*' || *s == '?') | |
1138 | break; | |
1139 | if(*s == '*' || *s == '?') | |
1140 | { | |
1141 | sendto_one_numeric(source_p, ERR_WILDTOPLEVEL, | |
1142 | form_str(ERR_WILDTOPLEVEL), nick); | |
1143 | return; | |
1144 | } | |
1145 | ||
1146 | sendto_match_butone(IsServer(client_p) ? client_p : NULL, source_p, | |
1147 | nick + 1, | |
1148 | (*nick == '#') ? MATCH_HOST : MATCH_SERVER, | |
1149 | "%s $%s :%s", command, nick, text); | |
fcda5662 JT |
1150 | if (p_or_n != NOTICE && *text == '\001') |
1151 | source_p->large_ctcp_sent = rb_current_time(); | |
212380e3 | 1152 | return; |
1153 | } | |
1154 | } |