1 |
/* |
2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
* |
4 |
* Copyright (c) 1997-2015 ircd-hybrid development team |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
* USA |
20 |
*/ |
21 |
|
22 |
/*! \file m_message.c |
23 |
* \brief Includes required functions for processing the PRIVMSG/NOTICE command. |
24 |
* \version $Id$ |
25 |
*/ |
26 |
|
27 |
#include "stdinc.h" |
28 |
#include "list.h" |
29 |
#include "client.h" |
30 |
#include "ircd.h" |
31 |
#include "numeric.h" |
32 |
#include "conf.h" |
33 |
#include "server.h" |
34 |
#include "send.h" |
35 |
#include "parse.h" |
36 |
#include "modules.h" |
37 |
#include "channel.h" |
38 |
#include "channel_mode.h" |
39 |
#include "irc_string.h" |
40 |
#include "hash.h" |
41 |
#include "packet.h" |
42 |
|
43 |
|
44 |
enum |
45 |
{ |
46 |
PRIVMSG = 0, |
47 |
NOTICE = 1 |
48 |
}; |
49 |
|
50 |
enum |
51 |
{ |
52 |
ENTITY_NONE = 0, |
53 |
ENTITY_CHANNEL = 1, |
54 |
ENTITY_CHANOPS_ON_CHANNEL = 2, |
55 |
ENTITY_CLIENT = 3 |
56 |
}; |
57 |
|
58 |
static struct |
59 |
{ |
60 |
void *ptr; |
61 |
int type; |
62 |
int flags; |
63 |
} targets[IRCD_BUFSIZE]; |
64 |
|
65 |
static int unsigned ntargets = 0; |
66 |
|
67 |
|
68 |
/* |
69 |
** m_privmsg |
70 |
** |
71 |
** massive cleanup |
72 |
** rev argv 6/91 |
73 |
** |
74 |
** Another massive cleanup Nov, 2000 |
75 |
** (I don't think there is a single line left from 6/91. Maybe.) |
76 |
** m_privmsg and m_notice do basically the same thing. |
77 |
** in the original 2.8.2 code base, they were the same function |
78 |
** "m_message.c." When we did the great cleanup in conjuncton with bleep |
79 |
** of ircu fame, we split m_privmsg.c and m_notice.c. |
80 |
** I don't see the point of that now. It's harder to maintain, it's |
81 |
** easier to introduce bugs into one version and not the other etc. |
82 |
** Really, the penalty of an extra function call isn't that big a deal folks. |
83 |
** -db Nov 13, 2000 |
84 |
** |
85 |
*/ |
86 |
|
87 |
/* duplicate_ptr() |
88 |
* |
89 |
* inputs - pointer to check |
90 |
* - pointer to table of entities |
91 |
* - number of valid entities so far |
92 |
* output - YES if duplicate pointer in table, NO if not. |
93 |
* note, this does the canonize using pointers |
94 |
* side effects - NONE |
95 |
*/ |
96 |
static int |
97 |
duplicate_ptr(const void *const ptr) |
98 |
{ |
99 |
for (unsigned int i = 0; i < ntargets; ++i) |
100 |
if (targets[i].ptr == ptr) |
101 |
return 1; |
102 |
|
103 |
return 0; |
104 |
} |
105 |
|
106 |
/* flood_attack_client() |
107 |
* |
108 |
* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
109 |
* say NOTICE must not auto reply |
110 |
* - pointer to source Client |
111 |
* - pointer to target Client |
112 |
* output - 1 if target is under flood attack |
113 |
* side effects - check for flood attack on target target_p |
114 |
*/ |
115 |
static int |
116 |
flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p) |
117 |
{ |
118 |
int delta = 0; |
119 |
|
120 |
if (GlobalSetOptions.floodcount && MyConnect(target_p) && |
121 |
IsClient(source_p) && !IsCanFlood(source_p)) |
122 |
{ |
123 |
if ((target_p->connection->first_received_message_time + 1) |
124 |
< CurrentTime) |
125 |
{ |
126 |
delta = |
127 |
CurrentTime - target_p->connection->first_received_message_time; |
128 |
target_p->connection->received_number_of_privmsgs -= delta; |
129 |
target_p->connection->first_received_message_time = CurrentTime; |
130 |
|
131 |
if (target_p->connection->received_number_of_privmsgs <= 0) |
132 |
{ |
133 |
target_p->connection->received_number_of_privmsgs = 0; |
134 |
DelFlag(target_p, FLAGS_FLOOD_NOTICED); |
135 |
} |
136 |
} |
137 |
|
138 |
if ((target_p->connection->received_number_of_privmsgs >= |
139 |
GlobalSetOptions.floodcount) || HasFlag(target_p, FLAGS_FLOOD_NOTICED)) |
140 |
{ |
141 |
if (!HasFlag(target_p, FLAGS_FLOOD_NOTICED)) |
142 |
{ |
143 |
sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE, |
144 |
"Possible Flooder %s on %s target: %s", |
145 |
get_client_name(source_p, HIDE_IP), |
146 |
source_p->servptr->name, target_p->name); |
147 |
|
148 |
AddFlag(target_p, FLAGS_FLOOD_NOTICED); |
149 |
target_p->connection->received_number_of_privmsgs += 2; /* Add a bit of penalty */ |
150 |
} |
151 |
|
152 |
if (MyClient(source_p) && p_or_n != NOTICE) |
153 |
sendto_one_notice(source_p, &me, ":*** Message to %s throttled due to flooding", |
154 |
target_p->name); |
155 |
return 1; |
156 |
} |
157 |
else |
158 |
target_p->connection->received_number_of_privmsgs++; |
159 |
} |
160 |
|
161 |
return 0; |
162 |
} |
163 |
|
164 |
/* flood_attack_channel() |
165 |
* |
166 |
* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
167 |
* says NOTICE must not auto reply |
168 |
* - pointer to source Client |
169 |
* - pointer to target channel |
170 |
* output - 1 if target is under flood attack |
171 |
* side effects - check for flood attack on target chptr |
172 |
*/ |
173 |
static int |
174 |
flood_attack_channel(int p_or_n, struct Client *source_p, struct Channel *chptr) |
175 |
{ |
176 |
int delta = 0; |
177 |
|
178 |
if (GlobalSetOptions.floodcount && !IsCanFlood(source_p)) |
179 |
{ |
180 |
if ((chptr->first_received_message_time + 1) < CurrentTime) |
181 |
{ |
182 |
delta = CurrentTime - chptr->first_received_message_time; |
183 |
chptr->received_number_of_privmsgs -= delta; |
184 |
chptr->first_received_message_time = CurrentTime; |
185 |
|
186 |
if (chptr->received_number_of_privmsgs <= 0) |
187 |
{ |
188 |
chptr->received_number_of_privmsgs = 0; |
189 |
ClearFloodNoticed(chptr); |
190 |
} |
191 |
} |
192 |
|
193 |
if ((chptr->received_number_of_privmsgs >= GlobalSetOptions.floodcount) || |
194 |
IsSetFloodNoticed(chptr)) |
195 |
{ |
196 |
if (!IsSetFloodNoticed(chptr)) |
197 |
{ |
198 |
sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE, |
199 |
"Possible Flooder %s on %s target: %s", |
200 |
get_client_name(source_p, HIDE_IP), |
201 |
source_p->servptr->name, chptr->name); |
202 |
|
203 |
SetFloodNoticed(chptr); |
204 |
chptr->received_number_of_privmsgs += 2; /* Add a bit of penalty */ |
205 |
} |
206 |
|
207 |
if (MyClient(source_p) && p_or_n != NOTICE) |
208 |
sendto_one_notice(source_p, &me, ":*** Message to %s throttled due to flooding", |
209 |
chptr->name); |
210 |
return 1; |
211 |
} |
212 |
else |
213 |
chptr->received_number_of_privmsgs++; |
214 |
} |
215 |
|
216 |
return 0; |
217 |
} |
218 |
|
219 |
/* msg_channel() |
220 |
* |
221 |
* inputs - flag privmsg or notice |
222 |
* - pointer to command "PRIVMSG" or "NOTICE" |
223 |
* - pointer to source_p |
224 |
* - pointer to channel |
225 |
* output - NONE |
226 |
* side effects - message given channel |
227 |
*/ |
228 |
static void |
229 |
msg_channel(int p_or_n, const char *command, struct Client *source_p, |
230 |
struct Channel *chptr, const char *text) |
231 |
{ |
232 |
int result = 0; |
233 |
|
234 |
/* Chanops and voiced can flood their own channel with impunity */ |
235 |
if ((result = can_send(chptr, source_p, NULL, text)) < 0) |
236 |
{ |
237 |
if (result == CAN_SEND_OPV || |
238 |
!flood_attack_channel(p_or_n, source_p, chptr)) |
239 |
sendto_channel_butone(source_p, source_p, chptr, 0, "%s %s :%s", |
240 |
command, chptr->name, text); |
241 |
} |
242 |
else |
243 |
{ |
244 |
if (p_or_n != NOTICE) |
245 |
{ |
246 |
if (result == ERR_NOCTRLSONCHAN) |
247 |
sendto_one_numeric(source_p, &me, ERR_NOCTRLSONCHAN, |
248 |
chptr->name, text); |
249 |
else if (result == ERR_NEEDREGGEDNICK) |
250 |
sendto_one_numeric(source_p, &me, ERR_NEEDREGGEDNICK, |
251 |
chptr->name); |
252 |
else |
253 |
sendto_one_numeric(source_p, &me, ERR_CANNOTSENDTOCHAN, |
254 |
chptr->name); |
255 |
} |
256 |
} |
257 |
} |
258 |
|
259 |
/* msg_channel_flags() |
260 |
* |
261 |
* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
262 |
* say NOTICE must not auto reply |
263 |
* - pointer to command, "PRIVMSG" or "NOTICE" |
264 |
* - pointer to source_p |
265 |
* - pointer to channel |
266 |
* - flags |
267 |
* - pointer to text to send |
268 |
* output - NONE |
269 |
* side effects - message given channel either chanop or voice |
270 |
*/ |
271 |
static void |
272 |
msg_channel_flags(int p_or_n, const char *command, struct Client *source_p, |
273 |
struct Channel *chptr, int flags, const char *text) |
274 |
{ |
275 |
unsigned int type = 0; |
276 |
int result = 0; |
277 |
char c = '\0'; |
278 |
|
279 |
if (flags & CHFL_VOICE) |
280 |
{ |
281 |
type = CHFL_VOICE|CHFL_HALFOP|CHFL_CHANOP; |
282 |
c = '+'; |
283 |
} |
284 |
else if (flags & CHFL_HALFOP) |
285 |
{ |
286 |
type = CHFL_HALFOP|CHFL_CHANOP; |
287 |
c = '%'; |
288 |
} |
289 |
else |
290 |
{ |
291 |
type = CHFL_CHANOP; |
292 |
c = '@'; |
293 |
} |
294 |
|
295 |
/* Chanops and voiced can flood their own channel with impunity */ |
296 |
if ((result = can_send(chptr, source_p, NULL, text)) < 0) |
297 |
{ |
298 |
if (result == CAN_SEND_OPV || |
299 |
!flood_attack_channel(p_or_n, source_p, chptr)) |
300 |
sendto_channel_butone(source_p, source_p, chptr, type, "%s %c%s :%s", |
301 |
command, c, chptr->name, text); |
302 |
} |
303 |
else |
304 |
{ |
305 |
if (p_or_n != NOTICE) |
306 |
{ |
307 |
if (result == ERR_NOCTRLSONCHAN) |
308 |
sendto_one_numeric(source_p, &me, ERR_NOCTRLSONCHAN, |
309 |
chptr->name, text); |
310 |
else if (result == ERR_NEEDREGGEDNICK) |
311 |
sendto_one_numeric(source_p, &me, ERR_NEEDREGGEDNICK, |
312 |
chptr->name); |
313 |
else |
314 |
sendto_one_numeric(source_p, &me, ERR_CANNOTSENDTOCHAN, |
315 |
chptr->name); |
316 |
} |
317 |
} |
318 |
} |
319 |
|
320 |
/* msg_client() |
321 |
* |
322 |
* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
323 |
* say NOTICE must not auto reply |
324 |
* - pointer to command, "PRIVMSG" or "NOTICE" |
325 |
* - pointer to source_p source (struct Client *) |
326 |
* - pointer to target_p target (struct Client *) |
327 |
* - pointer to text |
328 |
* output - NONE |
329 |
* side effects - message given channel either chanop or voice |
330 |
*/ |
331 |
static void |
332 |
msg_client(int p_or_n, const char *command, struct Client *source_p, |
333 |
struct Client *target_p, const char *text) |
334 |
{ |
335 |
if (MyClient(source_p)) |
336 |
{ |
337 |
if (target_p->away[0] && p_or_n != NOTICE) |
338 |
sendto_one_numeric(source_p, &me, RPL_AWAY, target_p->name, target_p->away); |
339 |
|
340 |
if (HasUMode(target_p, UMODE_REGONLY) && target_p != source_p) |
341 |
{ |
342 |
if (!HasUMode(source_p, UMODE_REGISTERED|UMODE_OPER)) |
343 |
{ |
344 |
if (p_or_n != NOTICE) |
345 |
sendto_one_numeric(source_p, &me, ERR_NONONREG, target_p->name); |
346 |
return; |
347 |
} |
348 |
} |
349 |
} |
350 |
|
351 |
if (MyClient(target_p)) |
352 |
{ |
353 |
if (!IsServer(source_p) && HasUMode(target_p, UMODE_CALLERID|UMODE_SOFTCALLERID)) |
354 |
{ |
355 |
/* Here is the anti-flood bot/spambot code -db */ |
356 |
if (HasFlag(source_p, FLAGS_SERVICE) || accept_message(source_p, target_p) || |
357 |
(HasUMode(source_p, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid)) |
358 |
{ |
359 |
sendto_one(target_p, ":%s!%s@%s %s %s :%s", |
360 |
source_p->name, source_p->username, |
361 |
source_p->host, command, target_p->name, text); |
362 |
} |
363 |
else |
364 |
{ |
365 |
int callerid = !!HasUMode(target_p, UMODE_CALLERID); |
366 |
|
367 |
/* check for accept, flag recipient incoming message */ |
368 |
if (p_or_n != NOTICE) |
369 |
sendto_one_numeric(source_p, &me, RPL_TARGUMODEG, |
370 |
target_p->name, |
371 |
callerid ? "+g" : "+G", |
372 |
callerid ? "server side ignore" : |
373 |
"server side ignore with the exception of common channels"); |
374 |
|
375 |
if ((target_p->connection->last_caller_id_time + |
376 |
ConfigGeneral.caller_id_wait) < CurrentTime) |
377 |
{ |
378 |
if (p_or_n != NOTICE) |
379 |
sendto_one_numeric(source_p, &me, RPL_TARGNOTIFY, target_p->name); |
380 |
|
381 |
sendto_one_numeric(target_p, &me, RPL_UMODEGMSG, |
382 |
get_client_name(source_p, HIDE_IP), |
383 |
callerid ? "+g" : "+G"); |
384 |
|
385 |
target_p->connection->last_caller_id_time = CurrentTime; |
386 |
|
387 |
} |
388 |
|
389 |
/* Only so opers can watch for floods */ |
390 |
flood_attack_client(p_or_n, source_p, target_p); |
391 |
} |
392 |
} |
393 |
else |
394 |
{ |
395 |
/* |
396 |
* If the client is remote, we dont perform a special check for |
397 |
* flooding.. as we wouldn't block their message anyway.. this means |
398 |
* we dont give warnings.. we then check if theyre opered |
399 |
* (to avoid flood warnings), lastly if theyre our client |
400 |
* and flooding -- fl |
401 |
*/ |
402 |
if (!MyClient(source_p) || HasUMode(source_p, UMODE_OPER) || |
403 |
!flood_attack_client(p_or_n, source_p, target_p)) |
404 |
sendto_anywhere(target_p, source_p, command, ":%s", text); |
405 |
} |
406 |
} |
407 |
else if (!MyClient(source_p) || HasUMode(source_p, UMODE_OPER) || |
408 |
!flood_attack_client(p_or_n, source_p, target_p)) |
409 |
sendto_anywhere(target_p, source_p, command, ":%s", text); |
410 |
} |
411 |
|
412 |
/* handle_special() |
413 |
* |
414 |
* inputs - client pointer |
415 |
* - nick stuff to grok for opers |
416 |
* - text to send if grok |
417 |
* output - none |
418 |
* side effects - old style username@server is handled here for non opers |
419 |
* opers are allowed username%hostname@server |
420 |
* all the traditional oper type messages are also parsed here. |
421 |
* i.e. "/msg #some.host." |
422 |
* However, syntax has been changed. |
423 |
* previous syntax "/msg #some.host.mask" |
424 |
* now becomes "/msg $#some.host.mask" |
425 |
* previous syntax of: "/msg $some.server.mask" remains |
426 |
* This disambiguates the syntax. |
427 |
* |
428 |
* XXX N.B. dalnet changed it to nick@server as have other servers. |
429 |
* we will stick with tradition for now. |
430 |
* - Dianora |
431 |
*/ |
432 |
static void |
433 |
handle_special(int p_or_n, const char *command, struct Client *source_p, |
434 |
const char *nick, const char *text) |
435 |
{ |
436 |
struct Client *target_p = NULL; |
437 |
const char *server = NULL, *s = NULL; |
438 |
|
439 |
/* |
440 |
* user[%host]@server addressed? |
441 |
*/ |
442 |
if ((server = strchr(nick, '@'))) |
443 |
{ |
444 |
if ((target_p = hash_find_server(server + 1)) == NULL) |
445 |
{ |
446 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, server + 1); |
447 |
return; |
448 |
} |
449 |
|
450 |
if (!HasUMode(source_p, UMODE_OPER) && strchr(nick, '%')) |
451 |
{ |
452 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
453 |
return; |
454 |
} |
455 |
|
456 |
if (!IsMe(target_p)) |
457 |
{ |
458 |
sendto_one(target_p, ":%s %s %s :%s", source_p->id, command, nick, text); |
459 |
return; |
460 |
} |
461 |
|
462 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
463 |
return; |
464 |
} |
465 |
|
466 |
if (!HasUMode(source_p, UMODE_OPER)) |
467 |
{ |
468 |
sendto_one_numeric(source_p, &me, ERR_NOPRIVILEGES); |
469 |
return; |
470 |
} |
471 |
|
472 |
/* |
473 |
* The following two cases allow masks in NOTICEs |
474 |
* (for OPERs only) |
475 |
* |
476 |
* Armin, 8Jun90 (gruner@informatik.tu-muenchen.de) |
477 |
*/ |
478 |
if (*nick == '$') |
479 |
{ |
480 |
if (*(nick + 1) == '$' || *(nick + 1) == '#') |
481 |
++nick; |
482 |
else if (MyClient(source_p)) |
483 |
{ |
484 |
sendto_one_notice(source_p, &me, ":The command %s %s is no longer supported, please use $%s", |
485 |
command, nick, nick); |
486 |
return; |
487 |
} |
488 |
|
489 |
if ((s = strrchr(nick, '.')) == NULL) |
490 |
{ |
491 |
sendto_one_numeric(source_p, &me, ERR_NOTOPLEVEL, nick); |
492 |
return; |
493 |
} |
494 |
|
495 |
while (*++s) |
496 |
if (*s == '.' || *s == '*' || *s == '?') |
497 |
break; |
498 |
|
499 |
if (*s == '*' || *s == '?') |
500 |
{ |
501 |
sendto_one_numeric(source_p, &me, ERR_WILDTOPLEVEL, nick); |
502 |
return; |
503 |
} |
504 |
|
505 |
sendto_match_butone(IsServer(source_p->from) ? source_p->from : NULL, source_p, |
506 |
nick + 1, (*nick == '#') ? MATCH_HOST : MATCH_SERVER, |
507 |
"%s $%s :%s", command, nick, text); |
508 |
} |
509 |
} |
510 |
|
511 |
/* build_target_list() |
512 |
* |
513 |
* inputs - pointer to given source (oper/client etc.) |
514 |
* - pointer to list of nicks/channels |
515 |
* - pointer to table to place results |
516 |
* - pointer to text (only used if source_p is an oper) |
517 |
* output - number of valid entities |
518 |
* side effects - target_table is modified to contain a list of |
519 |
* pointers to channels or clients |
520 |
* if source client is an oper |
521 |
* all the classic old bizzare oper privmsg tricks |
522 |
* are parsed and sent as is, if prefixed with $ |
523 |
* to disambiguate. |
524 |
* |
525 |
*/ |
526 |
static int |
527 |
build_target_list(int p_or_n, const char *command, struct Client *source_p, |
528 |
char *nicks_channels, const char *text) |
529 |
{ |
530 |
int type = 0; |
531 |
char *p = NULL, *nick = NULL; |
532 |
char *target_list = NULL; |
533 |
struct Channel *chptr = NULL; |
534 |
struct Client *target_p = NULL; |
535 |
|
536 |
target_list = nicks_channels; |
537 |
|
538 |
ntargets = 0; |
539 |
|
540 |
for (nick = strtoken(&p, target_list, ","); nick; |
541 |
nick = strtoken(&p, NULL, ",")) |
542 |
{ |
543 |
const char *with_prefix = NULL; |
544 |
|
545 |
/* |
546 |
* Channels are privmsg'd a lot more than other clients, moved up |
547 |
* here plain old channel msg? |
548 |
*/ |
549 |
if (IsChanPrefix(*nick)) |
550 |
{ |
551 |
if ((chptr = hash_find_channel(nick))) |
552 |
{ |
553 |
if (!duplicate_ptr(chptr)) |
554 |
{ |
555 |
if (ntargets >= ConfigGeneral.max_targets) |
556 |
{ |
557 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
558 |
nick, ConfigGeneral.max_targets); |
559 |
return 1; |
560 |
} |
561 |
|
562 |
targets[ntargets].ptr = chptr; |
563 |
targets[ntargets++].type = ENTITY_CHANNEL; |
564 |
} |
565 |
} |
566 |
else |
567 |
{ |
568 |
if (p_or_n != NOTICE) |
569 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
570 |
} |
571 |
|
572 |
continue; |
573 |
} |
574 |
|
575 |
/* Look for a PRIVMSG/NOTICE to another client */ |
576 |
if ((target_p = find_person(source_p, nick))) |
577 |
{ |
578 |
if (!duplicate_ptr(target_p)) |
579 |
{ |
580 |
if (ntargets >= ConfigGeneral.max_targets) |
581 |
{ |
582 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
583 |
nick, ConfigGeneral.max_targets); |
584 |
return 1; |
585 |
} |
586 |
|
587 |
targets[ntargets].ptr = target_p; |
588 |
targets[ntargets].type = ENTITY_CLIENT; |
589 |
targets[ntargets++].flags = 0; |
590 |
} |
591 |
|
592 |
continue; |
593 |
} |
594 |
|
595 |
/* @#channel or +#channel message ? */ |
596 |
type = 0; |
597 |
with_prefix = nick; |
598 |
|
599 |
/* Allow %+@ if someone wants to do that */ |
600 |
while (1) |
601 |
{ |
602 |
if (*nick == '@') |
603 |
type |= CHFL_CHANOP; |
604 |
else if (*nick == '%') |
605 |
type |= CHFL_CHANOP | CHFL_HALFOP; |
606 |
else if (*nick == '+') |
607 |
type |= CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE; |
608 |
else |
609 |
break; |
610 |
++nick; |
611 |
} |
612 |
|
613 |
if (type) |
614 |
{ |
615 |
if (EmptyString(nick)) /* If it's a '\0' dump it, there is no recipient */ |
616 |
{ |
617 |
sendto_one_numeric(source_p, &me, ERR_NORECIPIENT, command); |
618 |
continue; |
619 |
} |
620 |
|
621 |
/* |
622 |
* At this point, nick+1 should be a channel name i.e. #foo or &foo |
623 |
* if the channel is found, fine, if not report an error |
624 |
*/ |
625 |
if ((chptr = hash_find_channel(nick))) |
626 |
{ |
627 |
if (IsClient(source_p) && !HasFlag(source_p, FLAGS_SERVICE)) |
628 |
{ |
629 |
if (!has_member_flags(find_channel_link(source_p, chptr), |
630 |
CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE)) |
631 |
{ |
632 |
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, with_prefix); |
633 |
return -1; |
634 |
} |
635 |
} |
636 |
|
637 |
if (!duplicate_ptr(chptr)) |
638 |
{ |
639 |
if (ntargets >= ConfigGeneral.max_targets) |
640 |
{ |
641 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
642 |
nick, ConfigGeneral.max_targets); |
643 |
return 1; |
644 |
} |
645 |
|
646 |
targets[ntargets].ptr = chptr; |
647 |
targets[ntargets].type = ENTITY_CHANOPS_ON_CHANNEL; |
648 |
targets[ntargets++].flags = type; |
649 |
} |
650 |
} |
651 |
else |
652 |
{ |
653 |
if (p_or_n != NOTICE) |
654 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
655 |
} |
656 |
|
657 |
continue; |
658 |
} |
659 |
|
660 |
if (*nick == '$' || strchr(nick, '@')) |
661 |
handle_special(p_or_n, command, source_p, nick, text); |
662 |
else |
663 |
{ |
664 |
if (p_or_n != NOTICE) |
665 |
{ |
666 |
if (!IsDigit(*nick) || MyClient(source_p)) |
667 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
668 |
} |
669 |
} |
670 |
} |
671 |
|
672 |
return 1; |
673 |
} |
674 |
|
675 |
/* |
676 |
* inputs - flag privmsg or notice |
677 |
* - pointer to command "PRIVMSG" or "NOTICE" |
678 |
* - pointer to source_p |
679 |
* - pointer to channel |
680 |
*/ |
681 |
static void |
682 |
m_message(int p_or_n, const char *command, struct Client *source_p, int parc, char *parv[]) |
683 |
{ |
684 |
if (parc < 2 || EmptyString(parv[1])) |
685 |
{ |
686 |
if (p_or_n != NOTICE) |
687 |
sendto_one_numeric(source_p, &me, ERR_NORECIPIENT, command); |
688 |
return; |
689 |
} |
690 |
|
691 |
if (parc < 3 || EmptyString(parv[2])) |
692 |
{ |
693 |
if (p_or_n != NOTICE) |
694 |
sendto_one_numeric(source_p, &me, ERR_NOTEXTTOSEND); |
695 |
return; |
696 |
} |
697 |
|
698 |
/* Finish the flood grace period... */ |
699 |
if (MyClient(source_p) && !IsFloodDone(source_p)) |
700 |
flood_endgrace(source_p); |
701 |
|
702 |
if (build_target_list(p_or_n, command, source_p, parv[1], parv[2]) < 0) |
703 |
return; |
704 |
|
705 |
for (unsigned int i = 0; i < ntargets; ++i) |
706 |
{ |
707 |
switch (targets[i].type) |
708 |
{ |
709 |
case ENTITY_CLIENT: |
710 |
msg_client(p_or_n, command, source_p, targets[i].ptr, parv[2]); |
711 |
break; |
712 |
|
713 |
case ENTITY_CHANNEL: |
714 |
msg_channel(p_or_n, command, source_p, targets[i].ptr, parv[2]); |
715 |
break; |
716 |
|
717 |
case ENTITY_CHANOPS_ON_CHANNEL: |
718 |
msg_channel_flags(p_or_n, command, source_p, targets[i].ptr, |
719 |
targets[i].flags, parv[2]); |
720 |
break; |
721 |
} |
722 |
} |
723 |
} |
724 |
|
725 |
static int |
726 |
m_privmsg(struct Client *source_p, int parc, char *parv[]) |
727 |
{ |
728 |
/* |
729 |
* Servers have no reason to send privmsgs, yet sometimes there is cause |
730 |
* for a notice.. (for example remote kline replies) --fl_ |
731 |
*/ |
732 |
if (!IsClient(source_p)) |
733 |
return 0; |
734 |
|
735 |
if (MyConnect(source_p)) |
736 |
source_p->connection->last_privmsg = CurrentTime; |
737 |
|
738 |
m_message(PRIVMSG, "PRIVMSG", source_p, parc, parv); |
739 |
return 0; |
740 |
} |
741 |
|
742 |
static int |
743 |
m_notice(struct Client *source_p, int parc, char *parv[]) |
744 |
{ |
745 |
m_message(NOTICE, "NOTICE", source_p, parc, parv); |
746 |
return 0; |
747 |
} |
748 |
|
749 |
static struct Message privmsg_msgtab = |
750 |
{ |
751 |
"PRIVMSG", NULL, 0, 0, 0, MAXPARA, MFLG_SLOW, 0, |
752 |
{ m_unregistered, m_privmsg, m_privmsg, m_ignore, m_privmsg, m_ignore } |
753 |
}; |
754 |
|
755 |
static struct Message notice_msgtab = |
756 |
{ |
757 |
"NOTICE", NULL, 0, 0, 0, MAXPARA, MFLG_SLOW, 0, |
758 |
{ m_unregistered, m_notice, m_notice, m_ignore, m_notice, m_ignore } |
759 |
}; |
760 |
|
761 |
static void |
762 |
module_init(void) |
763 |
{ |
764 |
mod_add_cmd(&privmsg_msgtab); |
765 |
mod_add_cmd(¬ice_msgtab); |
766 |
} |
767 |
|
768 |
static void |
769 |
module_exit(void) |
770 |
{ |
771 |
mod_del_cmd(&privmsg_msgtab); |
772 |
mod_del_cmd(¬ice_msgtab); |
773 |
} |
774 |
|
775 |
struct module module_entry = |
776 |
{ |
777 |
.node = { NULL, NULL, NULL }, |
778 |
.name = NULL, |
779 |
.version = "$Revision$", |
780 |
.handle = NULL, |
781 |
.modinit = module_init, |
782 |
.modexit = module_exit, |
783 |
.flags = MODULE_FLAG_CORE |
784 |
}; |