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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * send.c: Functions for sending messages. | |
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 | * | |
24 | * $Id: send.c 3520 2007-06-30 22:15:35Z jilles $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "send.h" | |
29 | #include "channel.h" | |
30 | #include "class.h" | |
31 | #include "client.h" | |
32 | #include "common.h" | |
33 | #include "match.h" | |
34 | #include "ircd.h" | |
35 | #include "numeric.h" | |
36 | #include "s_serv.h" | |
37 | #include "s_conf.h" | |
38 | #include "s_newconf.h" | |
39 | #include "logger.h" | |
40 | #include "hook.h" | |
41 | #include "monitor.h" | |
42 | ||
43 | #define LOG_BUFSIZE 2048 | |
44 | ||
45 | /* send the message to the link the target is attached to */ | |
46 | #define send_linebuf(a,b) _send_linebuf((a->from ? a->from : a) ,b) | |
47 | ||
48 | static void send_queued_write(rb_fde_t *F, void *data); | |
49 | ||
50 | unsigned long current_serial = 0L; | |
51 | ||
52 | /* send_linebuf() | |
53 | * | |
54 | * inputs - client to send to, linebuf to attach | |
55 | * outputs - | |
56 | * side effects - linebuf is attached to client | |
57 | */ | |
58 | static int | |
59 | _send_linebuf(struct Client *to, buf_head_t *linebuf) | |
60 | { | |
61 | if(IsMe(to)) | |
62 | { | |
63 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Trying to send message to myself!"); | |
64 | return 0; | |
65 | } | |
66 | ||
67 | if(!MyConnect(to) || IsIOError(to)) | |
68 | return 0; | |
69 | ||
70 | if(rb_linebuf_len(&to->localClient->buf_sendq) > get_sendq(to)) | |
71 | { | |
72 | if(IsServer(to)) | |
73 | { | |
74 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
75 | "Max SendQ limit exceeded for %s: %u > %lu", | |
76 | get_server_name(to, HIDE_IP), | |
77 | rb_linebuf_len(&to->localClient->buf_sendq), | |
78 | get_sendq(to)); | |
79 | ||
80 | ilog(L_SERVER, "Max SendQ limit exceeded for %s: %u > %lu", | |
81 | log_client_name(to, SHOW_IP), | |
82 | rb_linebuf_len(&to->localClient->buf_sendq), | |
83 | get_sendq(to)); | |
84 | } | |
85 | ||
86 | if(IsClient(to)) | |
87 | to->flags |= FLAGS_SENDQEX; | |
88 | ||
89 | dead_link(to); | |
90 | return -1; | |
91 | } | |
92 | else | |
93 | { | |
94 | /* just attach the linebuf to the sendq instead of | |
95 | * generating a new one | |
96 | */ | |
97 | rb_linebuf_attach(&to->localClient->buf_sendq, linebuf); | |
98 | } | |
99 | ||
100 | /* | |
101 | ** Update statistics. The following is slightly incorrect | |
102 | ** because it counts messages even if queued, but bytes | |
103 | ** only really sent. Queued bytes get updated in SendQueued. | |
104 | */ | |
105 | to->localClient->sendM += 1; | |
106 | me.localClient->sendM += 1; | |
107 | if(rb_linebuf_len(&to->localClient->buf_sendq) > 0) | |
108 | send_queued(to); | |
109 | return 0; | |
110 | } | |
111 | ||
112 | /* send_linebuf_remote() | |
113 | * | |
114 | * inputs - client to attach to, sender, linebuf | |
115 | * outputs - | |
116 | * side effects - client has linebuf attached | |
117 | */ | |
118 | static void | |
119 | send_linebuf_remote(struct Client *to, struct Client *from, buf_head_t *linebuf) | |
120 | { | |
121 | if(to->from) | |
122 | to = to->from; | |
123 | ||
124 | /* we assume the caller has already tested for fake direction */ | |
125 | ||
126 | _send_linebuf(to, linebuf); | |
127 | return; | |
128 | } | |
129 | ||
130 | /* send_queued_write() | |
131 | * | |
132 | * inputs - fd to have queue sent, client we're sending to | |
133 | * outputs - contents of queue | |
134 | * side effects - write is rescheduled if queue isnt emptied | |
135 | */ | |
136 | void | |
137 | send_queued(struct Client *to) | |
138 | { | |
139 | int retlen; | |
140 | #ifdef USE_IODEBUG_HOOKS | |
141 | hook_data_int hd; | |
142 | #endif | |
143 | rb_fde_t *F = to->localClient->F; | |
144 | if (!F) | |
145 | return; | |
146 | ||
147 | /* cant write anything to a dead socket. */ | |
148 | if(IsIOError(to)) | |
149 | return; | |
150 | ||
151 | /* Something wants us to not send anything currently */ | |
152 | /* if(IsCork(to)) | |
153 | return; */ | |
154 | ||
155 | /* try to flush later when the write event resets this */ | |
156 | if(IsFlush(to)) | |
157 | return; | |
158 | ||
159 | #ifdef USE_IODEBUG_HOOKS | |
160 | hd.client = to; | |
161 | if(to->localClient->buf_sendq.list.head) | |
162 | hd.arg1 = ((buf_line_t *) to->localClient->buf_sendq.list.head->data)->buf + | |
163 | to->localClient->buf_sendq.writeofs; | |
164 | #endif | |
165 | ||
166 | if(rb_linebuf_len(&to->localClient->buf_sendq)) | |
167 | { | |
168 | while ((retlen = | |
169 | rb_linebuf_flush(F, &to->localClient->buf_sendq)) > 0) | |
170 | { | |
171 | /* We have some data written .. update counters */ | |
172 | #ifdef USE_IODEBUG_HOOKS | |
173 | hd.arg2 = retlen; | |
174 | call_hook(h_iosend_id, &hd); | |
175 | ||
176 | if(to->localClient->buf_sendq.list.head) | |
177 | hd.arg1 = | |
178 | ((buf_line_t *) to->localClient->buf_sendq.list.head-> | |
179 | data)->buf + to->localClient->buf_sendq.writeofs; | |
180 | #endif | |
181 | ||
182 | ||
183 | ClearFlush(to); | |
184 | ||
185 | to->localClient->sendB += retlen; | |
186 | me.localClient->sendB += retlen; | |
187 | if(to->localClient->sendB > 1023) | |
188 | { | |
189 | to->localClient->sendK += (to->localClient->sendB >> 10); | |
190 | to->localClient->sendB &= 0x03ff; /* 2^10 = 1024, 3ff = 1023 */ | |
191 | } | |
192 | else if(me.localClient->sendB > 1023) | |
193 | { | |
194 | me.localClient->sendK += (me.localClient->sendB >> 10); | |
195 | me.localClient->sendB &= 0x03ff; | |
196 | } | |
197 | } | |
198 | ||
199 | if(retlen == 0 || (retlen < 0 && !rb_ignore_errno(errno))) | |
200 | { | |
201 | dead_link(to); | |
202 | return; | |
203 | } | |
204 | } | |
205 | ||
206 | if(rb_linebuf_len(&to->localClient->buf_sendq)) | |
207 | { | |
208 | SetFlush(to); | |
209 | rb_setselect(to->localClient->F, RB_SELECT_WRITE, | |
210 | send_queued_write, to); | |
211 | } | |
212 | else | |
213 | ClearFlush(to); | |
214 | } | |
215 | ||
216 | void | |
217 | send_pop_queue(struct Client *to) | |
218 | { | |
219 | if(to->from != NULL) | |
220 | to = to->from; | |
221 | if(!MyConnect(to) || IsIOError(to)) | |
222 | return; | |
223 | if(rb_linebuf_len(&to->localClient->buf_sendq) > 0) | |
224 | send_queued(to); | |
225 | } | |
226 | ||
227 | /* send_queued_write() | |
228 | * | |
229 | * inputs - fd to have queue sent, client we're sending to | |
230 | * outputs - contents of queue | |
231 | * side effects - write is scheduled if queue isnt emptied | |
232 | */ | |
233 | static void | |
234 | send_queued_write(rb_fde_t *F, void *data) | |
235 | { | |
236 | struct Client *to = data; | |
237 | ClearFlush(to); | |
238 | send_queued(to); | |
239 | } | |
240 | ||
241 | /* sendto_one() | |
242 | * | |
243 | * inputs - client to send to, va_args | |
244 | * outputs - client has message put into its queue | |
245 | * side effects - | |
246 | */ | |
247 | void | |
248 | sendto_one(struct Client *target_p, const char *pattern, ...) | |
249 | { | |
250 | va_list args; | |
251 | buf_head_t linebuf; | |
252 | ||
253 | /* send remote if to->from non NULL */ | |
254 | if(target_p->from != NULL) | |
255 | target_p = target_p->from; | |
256 | ||
257 | if(IsIOError(target_p)) | |
258 | return; | |
259 | ||
260 | rb_linebuf_newbuf(&linebuf); | |
261 | ||
262 | va_start(args, pattern); | |
263 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
264 | va_end(args); | |
265 | ||
266 | _send_linebuf(target_p, &linebuf); | |
267 | ||
268 | rb_linebuf_donebuf(&linebuf); | |
269 | ||
270 | } | |
271 | ||
272 | /* sendto_one_prefix() | |
273 | * | |
274 | * inputs - client to send to, va_args | |
275 | * outputs - client has message put into its queue | |
276 | * side effects - source(us)/target is chosen based on TS6 capability | |
277 | */ | |
278 | void | |
279 | sendto_one_prefix(struct Client *target_p, struct Client *source_p, | |
280 | const char *command, const char *pattern, ...) | |
281 | { | |
282 | struct Client *dest_p; | |
283 | va_list args; | |
284 | buf_head_t linebuf; | |
285 | ||
286 | /* send remote if to->from non NULL */ | |
287 | if(target_p->from != NULL) | |
288 | dest_p = target_p->from; | |
289 | else | |
290 | dest_p = target_p; | |
291 | ||
292 | if(IsIOError(dest_p)) | |
293 | return; | |
294 | ||
295 | if(IsMe(dest_p)) | |
296 | { | |
297 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Trying to send to myself!"); | |
298 | return; | |
299 | } | |
300 | ||
301 | rb_linebuf_newbuf(&linebuf); | |
302 | va_start(args, pattern); | |
303 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
304 | ":%s %s %s ", | |
305 | get_id(source_p, target_p), | |
306 | command, get_id(target_p, target_p)); | |
307 | va_end(args); | |
308 | ||
309 | _send_linebuf(dest_p, &linebuf); | |
310 | rb_linebuf_donebuf(&linebuf); | |
311 | } | |
312 | ||
313 | /* sendto_one_notice() | |
314 | * | |
315 | * inputs - client to send to, va_args | |
316 | * outputs - client has a NOTICE put into its queue | |
317 | * side effects - source(us)/target is chosen based on TS6 capability | |
318 | */ | |
319 | void | |
320 | sendto_one_notice(struct Client *target_p, const char *pattern, ...) | |
321 | { | |
322 | struct Client *dest_p; | |
323 | va_list args; | |
324 | buf_head_t linebuf; | |
325 | char *to; | |
326 | ||
327 | /* send remote if to->from non NULL */ | |
328 | if(target_p->from != NULL) | |
329 | dest_p = target_p->from; | |
330 | else | |
331 | dest_p = target_p; | |
332 | ||
333 | if(IsIOError(dest_p)) | |
334 | return; | |
335 | ||
336 | if(IsMe(dest_p)) | |
337 | { | |
338 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Trying to send to myself!"); | |
339 | return; | |
340 | } | |
341 | ||
342 | rb_linebuf_newbuf(&linebuf); | |
343 | va_start(args, pattern); | |
344 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
345 | ":%s NOTICE %s ", | |
346 | get_id(&me, target_p), *(to = get_id(target_p, target_p)) != '\0' ? to : "*"); | |
347 | va_end(args); | |
348 | ||
349 | _send_linebuf(dest_p, &linebuf); | |
350 | rb_linebuf_donebuf(&linebuf); | |
351 | } | |
352 | ||
353 | ||
354 | /* sendto_one_numeric() | |
355 | * | |
356 | * inputs - client to send to, va_args | |
357 | * outputs - client has message put into its queue | |
358 | * side effects - source/target is chosen based on TS6 capability | |
359 | */ | |
360 | void | |
361 | sendto_one_numeric(struct Client *target_p, int numeric, const char *pattern, ...) | |
362 | { | |
363 | struct Client *dest_p; | |
364 | va_list args; | |
365 | buf_head_t linebuf; | |
366 | char *to; | |
367 | ||
368 | /* send remote if to->from non NULL */ | |
369 | if(target_p->from != NULL) | |
370 | dest_p = target_p->from; | |
371 | else | |
372 | dest_p = target_p; | |
373 | ||
374 | if(IsIOError(dest_p)) | |
375 | return; | |
376 | ||
377 | if(IsMe(dest_p)) | |
378 | { | |
379 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Trying to send to myself!"); | |
380 | return; | |
381 | } | |
382 | ||
383 | rb_linebuf_newbuf(&linebuf); | |
384 | va_start(args, pattern); | |
385 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
386 | ":%s %03d %s ", | |
387 | get_id(&me, target_p), | |
388 | numeric, *(to = get_id(target_p, target_p)) != '\0' ? to : "*"); | |
389 | va_end(args); | |
390 | ||
391 | _send_linebuf(dest_p, &linebuf); | |
392 | rb_linebuf_donebuf(&linebuf); | |
393 | } | |
394 | ||
395 | /* | |
396 | * sendto_server | |
397 | * | |
398 | * inputs - pointer to client to NOT send to | |
399 | * - caps or'd together which must ALL be present | |
400 | * - caps or'd together which must ALL NOT be present | |
401 | * - printf style format string | |
402 | * - args to format string | |
403 | * output - NONE | |
404 | * side effects - Send a message to all connected servers, except the | |
405 | * client 'one' (if non-NULL), as long as the servers | |
406 | * support ALL capabs in 'caps', and NO capabs in 'nocaps'. | |
407 | * | |
408 | * This function was written in an attempt to merge together the other | |
409 | * billion sendto_*serv*() functions, which sprung up with capabs, uids etc | |
410 | * -davidt | |
411 | */ | |
412 | void | |
413 | sendto_server(struct Client *one, struct Channel *chptr, unsigned long caps, | |
414 | unsigned long nocaps, const char *format, ...) | |
415 | { | |
416 | va_list args; | |
417 | struct Client *target_p; | |
418 | rb_dlink_node *ptr; | |
419 | rb_dlink_node *next_ptr; | |
420 | buf_head_t linebuf; | |
421 | ||
422 | /* noone to send to.. */ | |
423 | if(rb_dlink_list_length(&serv_list) == 0) | |
424 | return; | |
425 | ||
426 | if(chptr != NULL && *chptr->chname != '#') | |
427 | return; | |
428 | ||
429 | rb_linebuf_newbuf(&linebuf); | |
430 | va_start(args, format); | |
431 | rb_linebuf_putmsg(&linebuf, format, &args, NULL); | |
432 | va_end(args); | |
433 | ||
434 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, serv_list.head) | |
435 | { | |
436 | target_p = ptr->data; | |
437 | ||
438 | /* check against 'one' */ | |
439 | if(one != NULL && (target_p == one->from)) | |
440 | continue; | |
441 | ||
442 | /* check we have required capabs */ | |
443 | if(!IsCapable(target_p, caps)) | |
444 | continue; | |
445 | ||
446 | /* check we don't have any forbidden capabs */ | |
447 | if(!NotCapable(target_p, nocaps)) | |
448 | continue; | |
449 | ||
450 | _send_linebuf(target_p, &linebuf); | |
451 | } | |
452 | ||
453 | rb_linebuf_donebuf(&linebuf); | |
454 | ||
455 | } | |
456 | ||
457 | /* sendto_channel_flags() | |
458 | * | |
459 | * inputs - server not to send to, flags needed, source, channel, va_args | |
460 | * outputs - message is sent to channel members | |
461 | * side effects - | |
462 | */ | |
463 | void | |
464 | sendto_channel_flags(struct Client *one, int type, struct Client *source_p, | |
465 | struct Channel *chptr, const char *pattern, ...) | |
466 | { | |
467 | static char buf[BUFSIZE]; | |
468 | va_list args; | |
469 | buf_head_t rb_linebuf_local; | |
470 | buf_head_t rb_linebuf_id; | |
471 | struct Client *target_p; | |
472 | struct membership *msptr; | |
473 | rb_dlink_node *ptr; | |
474 | rb_dlink_node *next_ptr; | |
475 | ||
476 | rb_linebuf_newbuf(&rb_linebuf_local); | |
477 | rb_linebuf_newbuf(&rb_linebuf_id); | |
478 | ||
479 | current_serial++; | |
480 | ||
481 | va_start(args, pattern); | |
482 | rb_vsnprintf(buf, sizeof(buf), pattern, args); | |
483 | va_end(args); | |
484 | ||
485 | if(IsServer(source_p)) | |
486 | rb_linebuf_putmsg(&rb_linebuf_local, NULL, NULL, | |
487 | ":%s %s", source_p->name, buf); | |
488 | else | |
489 | rb_linebuf_putmsg(&rb_linebuf_local, NULL, NULL, | |
490 | ":%s!%s@%s %s", | |
491 | source_p->name, source_p->username, | |
492 | source_p->host, buf); | |
493 | ||
494 | rb_linebuf_putmsg(&rb_linebuf_id, NULL, NULL, ":%s %s", use_id(source_p), buf); | |
495 | ||
496 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->members.head) | |
497 | { | |
498 | msptr = ptr->data; | |
499 | target_p = msptr->client_p; | |
500 | ||
501 | if(IsIOError(target_p->from) || target_p->from == one) | |
502 | continue; | |
503 | ||
504 | if(type && ((msptr->flags & type) == 0)) | |
505 | continue; | |
506 | ||
507 | if(IsDeaf(target_p)) | |
508 | continue; | |
509 | ||
510 | if(!MyClient(target_p)) | |
511 | { | |
512 | /* if we've got a specific type, target must support | |
513 | * CHW.. --fl | |
514 | */ | |
515 | if(type && NotCapable(target_p->from, CAP_CHW)) | |
516 | continue; | |
517 | ||
518 | if(target_p->from->serial != current_serial) | |
519 | { | |
520 | send_linebuf_remote(target_p, source_p, &rb_linebuf_id); | |
521 | target_p->from->serial = current_serial; | |
522 | } | |
523 | } | |
524 | else | |
525 | _send_linebuf(target_p, &rb_linebuf_local); | |
526 | } | |
527 | ||
528 | rb_linebuf_donebuf(&rb_linebuf_local); | |
529 | rb_linebuf_donebuf(&rb_linebuf_id); | |
530 | } | |
531 | ||
532 | ||
533 | /* sendto_channel_local() | |
534 | * | |
535 | * inputs - flags to send to, channel to send to, va_args | |
536 | * outputs - message to local channel members | |
537 | * side effects - | |
538 | */ | |
539 | void | |
540 | sendto_channel_local(int type, struct Channel *chptr, const char *pattern, ...) | |
541 | { | |
542 | va_list args; | |
543 | buf_head_t linebuf; | |
544 | struct membership *msptr; | |
545 | struct Client *target_p; | |
546 | rb_dlink_node *ptr; | |
547 | rb_dlink_node *next_ptr; | |
548 | ||
549 | rb_linebuf_newbuf(&linebuf); | |
550 | ||
551 | va_start(args, pattern); | |
552 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
553 | va_end(args); | |
554 | ||
555 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
556 | { | |
557 | msptr = ptr->data; | |
558 | target_p = msptr->client_p; | |
559 | ||
560 | if(IsIOError(target_p)) | |
561 | continue; | |
562 | ||
563 | if(type && ((msptr->flags & type) == 0)) | |
564 | continue; | |
565 | ||
566 | _send_linebuf(target_p, &linebuf); | |
567 | } | |
568 | ||
569 | rb_linebuf_donebuf(&linebuf); | |
570 | } | |
571 | ||
572 | /* sendto_channel_local_butone() | |
573 | * | |
574 | * inputs - flags to send to, channel to send to, va_args | |
575 | * - user to ignore when sending | |
576 | * outputs - message to local channel members | |
577 | * side effects - | |
578 | */ | |
579 | void | |
580 | sendto_channel_local_butone(struct Client *one, int type, struct Channel *chptr, const char *pattern, ...) | |
581 | { | |
582 | va_list args; | |
583 | buf_head_t linebuf; | |
584 | struct membership *msptr; | |
585 | struct Client *target_p; | |
586 | rb_dlink_node *ptr; | |
587 | rb_dlink_node *next_ptr; | |
588 | ||
589 | rb_linebuf_newbuf(&linebuf); | |
590 | ||
591 | va_start(args, pattern); | |
592 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
593 | va_end(args); | |
594 | ||
595 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, chptr->locmembers.head) | |
596 | { | |
597 | msptr = ptr->data; | |
598 | target_p = msptr->client_p; | |
599 | ||
600 | if(target_p == one) | |
601 | continue; | |
602 | ||
603 | if(IsIOError(target_p)) | |
604 | continue; | |
605 | ||
606 | if(type && ((msptr->flags & type) == 0)) | |
607 | continue; | |
608 | ||
609 | _send_linebuf(target_p, &linebuf); | |
610 | } | |
611 | ||
612 | rb_linebuf_donebuf(&linebuf); | |
613 | } | |
614 | ||
615 | /* | |
616 | * sendto_common_channels_local() | |
617 | * | |
618 | * inputs - pointer to client | |
619 | * - pattern to send | |
620 | * output - NONE | |
621 | * side effects - Sends a message to all people on local server who are | |
622 | * in same channel with user. | |
623 | * used by m_nick.c and exit_one_client. | |
624 | */ | |
625 | void | |
626 | sendto_common_channels_local(struct Client *user, const char *pattern, ...) | |
627 | { | |
628 | va_list args; | |
629 | rb_dlink_node *ptr; | |
630 | rb_dlink_node *next_ptr; | |
631 | rb_dlink_node *uptr; | |
632 | rb_dlink_node *next_uptr; | |
633 | struct Channel *chptr; | |
634 | struct Client *target_p; | |
635 | struct membership *msptr; | |
636 | struct membership *mscptr; | |
637 | buf_head_t linebuf; | |
638 | ||
639 | rb_linebuf_newbuf(&linebuf); | |
640 | va_start(args, pattern); | |
641 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
642 | va_end(args); | |
643 | ||
644 | ++current_serial; | |
645 | ||
646 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, user->user->channel.head) | |
647 | { | |
648 | mscptr = ptr->data; | |
649 | chptr = mscptr->chptr; | |
650 | ||
651 | RB_DLINK_FOREACH_SAFE(uptr, next_uptr, chptr->locmembers.head) | |
652 | { | |
653 | msptr = uptr->data; | |
654 | target_p = msptr->client_p; | |
655 | ||
656 | if(IsIOError(target_p) || | |
657 | target_p->serial == current_serial) | |
658 | continue; | |
659 | ||
660 | target_p->serial = current_serial; | |
661 | send_linebuf(target_p, &linebuf); | |
662 | } | |
663 | } | |
664 | ||
665 | /* this can happen when the user isnt in any channels, but we still | |
666 | * need to send them the data, ie a nick change | |
667 | */ | |
668 | if(MyConnect(user) && (user->serial != current_serial)) | |
669 | send_linebuf(user, &linebuf); | |
670 | ||
671 | rb_linebuf_donebuf(&linebuf); | |
672 | } | |
673 | ||
674 | /* | |
675 | * sendto_common_channels_local_butone() | |
676 | * | |
677 | * inputs - pointer to client | |
678 | * - pattern to send | |
679 | * output - NONE | |
680 | * side effects - Sends a message to all people on local server who are | |
681 | * in same channel with user, except for user itself. | |
682 | */ | |
683 | void | |
684 | sendto_common_channels_local_butone(struct Client *user, const char *pattern, ...) | |
685 | { | |
686 | va_list args; | |
687 | rb_dlink_node *ptr; | |
688 | rb_dlink_node *next_ptr; | |
689 | rb_dlink_node *uptr; | |
690 | rb_dlink_node *next_uptr; | |
691 | struct Channel *chptr; | |
692 | struct Client *target_p; | |
693 | struct membership *msptr; | |
694 | struct membership *mscptr; | |
695 | buf_head_t linebuf; | |
696 | ||
697 | rb_linebuf_newbuf(&linebuf); | |
698 | va_start(args, pattern); | |
699 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
700 | va_end(args); | |
701 | ||
702 | ++current_serial; | |
703 | /* Skip them -- jilles */ | |
704 | user->serial = current_serial; | |
705 | ||
706 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, user->user->channel.head) | |
707 | { | |
708 | mscptr = ptr->data; | |
709 | chptr = mscptr->chptr; | |
710 | ||
711 | RB_DLINK_FOREACH_SAFE(uptr, next_uptr, chptr->locmembers.head) | |
712 | { | |
713 | msptr = uptr->data; | |
714 | target_p = msptr->client_p; | |
715 | ||
716 | if(IsIOError(target_p) || | |
717 | target_p->serial == current_serial) | |
718 | continue; | |
719 | ||
720 | target_p->serial = current_serial; | |
721 | send_linebuf(target_p, &linebuf); | |
722 | } | |
723 | } | |
724 | ||
725 | rb_linebuf_donebuf(&linebuf); | |
726 | } | |
727 | ||
728 | /* sendto_match_butone() | |
729 | * | |
730 | * inputs - server not to send to, source, mask, type of mask, va_args | |
731 | * output - | |
732 | * side effects - message is sent to matching clients | |
733 | */ | |
734 | void | |
735 | sendto_match_butone(struct Client *one, struct Client *source_p, | |
736 | const char *mask, int what, const char *pattern, ...) | |
737 | { | |
738 | static char buf[BUFSIZE]; | |
739 | va_list args; | |
740 | struct Client *target_p; | |
741 | rb_dlink_node *ptr; | |
742 | rb_dlink_node *next_ptr; | |
743 | buf_head_t rb_linebuf_local; | |
744 | buf_head_t rb_linebuf_id; | |
745 | ||
746 | rb_linebuf_newbuf(&rb_linebuf_local); | |
747 | rb_linebuf_newbuf(&rb_linebuf_id); | |
748 | ||
749 | va_start(args, pattern); | |
750 | rb_vsnprintf(buf, sizeof(buf), pattern, args); | |
751 | va_end(args); | |
752 | ||
753 | if(IsServer(source_p)) | |
754 | rb_linebuf_putmsg(&rb_linebuf_local, NULL, NULL, | |
755 | ":%s %s", source_p->name, buf); | |
756 | else | |
757 | rb_linebuf_putmsg(&rb_linebuf_local, NULL, NULL, | |
758 | ":%s!%s@%s %s", | |
759 | source_p->name, source_p->username, | |
760 | source_p->host, buf); | |
761 | ||
762 | rb_linebuf_putmsg(&rb_linebuf_id, NULL, NULL, ":%s %s", use_id(source_p), buf); | |
763 | ||
764 | if(what == MATCH_HOST) | |
765 | { | |
766 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) | |
767 | { | |
768 | target_p = ptr->data; | |
769 | ||
770 | if(match(mask, target_p->host)) | |
771 | _send_linebuf(target_p, &rb_linebuf_local); | |
772 | } | |
773 | } | |
774 | /* what = MATCH_SERVER, if it doesnt match us, just send remote */ | |
775 | else if(match(mask, me.name)) | |
776 | { | |
777 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) | |
778 | { | |
779 | target_p = ptr->data; | |
780 | _send_linebuf(target_p, &rb_linebuf_local); | |
781 | } | |
782 | } | |
783 | ||
784 | RB_DLINK_FOREACH(ptr, serv_list.head) | |
785 | { | |
786 | target_p = ptr->data; | |
787 | ||
788 | if(target_p == one) | |
789 | continue; | |
790 | ||
791 | send_linebuf_remote(target_p, source_p, &rb_linebuf_id); | |
792 | } | |
793 | ||
794 | rb_linebuf_donebuf(&rb_linebuf_local); | |
795 | rb_linebuf_donebuf(&rb_linebuf_id); | |
796 | } | |
797 | ||
798 | /* sendto_match_servs() | |
799 | * | |
800 | * inputs - source, mask to send to, caps needed, va_args | |
801 | * outputs - | |
802 | * side effects - message is sent to matching servers with caps. | |
803 | */ | |
804 | void | |
805 | sendto_match_servs(struct Client *source_p, const char *mask, int cap, | |
806 | int nocap, const char *pattern, ...) | |
807 | { | |
808 | static char buf[BUFSIZE]; | |
809 | va_list args; | |
810 | rb_dlink_node *ptr; | |
811 | struct Client *target_p; | |
812 | buf_head_t rb_linebuf_id; | |
813 | ||
814 | if(EmptyString(mask)) | |
815 | return; | |
816 | ||
817 | rb_linebuf_newbuf(&rb_linebuf_id); | |
818 | ||
819 | va_start(args, pattern); | |
820 | rb_vsnprintf(buf, sizeof(buf), pattern, args); | |
821 | va_end(args); | |
822 | ||
823 | rb_linebuf_putmsg(&rb_linebuf_id, NULL, NULL, | |
824 | ":%s %s", use_id(source_p), buf); | |
825 | ||
826 | current_serial++; | |
827 | ||
828 | RB_DLINK_FOREACH(ptr, global_serv_list.head) | |
829 | { | |
830 | target_p = ptr->data; | |
831 | ||
832 | /* dont send to ourselves, or back to where it came from.. */ | |
833 | if(IsMe(target_p) || target_p->from == source_p->from) | |
834 | continue; | |
835 | ||
836 | if(target_p->from->serial == current_serial) | |
837 | continue; | |
838 | ||
839 | if(match(mask, target_p->name)) | |
840 | { | |
841 | /* if we set the serial here, then we'll never do | |
842 | * a match() again if !IsCapable() | |
843 | */ | |
844 | target_p->from->serial = current_serial; | |
845 | ||
846 | if(cap && !IsCapable(target_p->from, cap)) | |
847 | continue; | |
848 | ||
849 | if(nocap && !NotCapable(target_p->from, nocap)) | |
850 | continue; | |
851 | ||
852 | _send_linebuf(target_p->from, &rb_linebuf_id); | |
853 | } | |
854 | } | |
855 | ||
856 | rb_linebuf_donebuf(&rb_linebuf_id); | |
857 | } | |
858 | ||
859 | /* sendto_monitor() | |
860 | * | |
861 | * inputs - monitor nick to send to, format, va_args | |
862 | * outputs - message to local users monitoring the given nick | |
863 | * side effects - | |
864 | */ | |
865 | void | |
866 | sendto_monitor(struct monitor *monptr, const char *pattern, ...) | |
867 | { | |
868 | va_list args; | |
869 | buf_head_t linebuf; | |
870 | struct Client *target_p; | |
871 | rb_dlink_node *ptr; | |
872 | rb_dlink_node *next_ptr; | |
873 | ||
874 | rb_linebuf_newbuf(&linebuf); | |
875 | ||
876 | va_start(args, pattern); | |
877 | rb_linebuf_putmsg(&linebuf, pattern, &args, NULL); | |
878 | va_end(args); | |
879 | ||
880 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, monptr->users.head) | |
881 | { | |
882 | target_p = ptr->data; | |
883 | ||
884 | if(IsIOError(target_p)) | |
885 | continue; | |
886 | ||
887 | _send_linebuf(target_p, &linebuf); | |
888 | } | |
889 | ||
890 | rb_linebuf_donebuf(&linebuf); | |
891 | } | |
892 | ||
893 | /* sendto_anywhere() | |
894 | * | |
895 | * inputs - target, source, va_args | |
896 | * outputs - | |
897 | * side effects - client is sent message with correct prefix. | |
898 | */ | |
899 | void | |
900 | sendto_anywhere(struct Client *target_p, struct Client *source_p, | |
901 | const char *command, const char *pattern, ...) | |
902 | { | |
903 | va_list args; | |
904 | buf_head_t linebuf; | |
905 | ||
906 | rb_linebuf_newbuf(&linebuf); | |
907 | ||
908 | va_start(args, pattern); | |
909 | ||
910 | if(MyClient(target_p)) | |
911 | { | |
912 | if(IsServer(source_p)) | |
913 | rb_linebuf_putmsg(&linebuf, pattern, &args, ":%s %s %s ", | |
914 | source_p->name, command, | |
915 | target_p->name); | |
916 | else | |
917 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
918 | ":%s!%s@%s %s %s ", | |
919 | source_p->name, source_p->username, | |
920 | source_p->host, command, | |
921 | target_p->name); | |
922 | } | |
923 | else | |
924 | rb_linebuf_putmsg(&linebuf, pattern, &args, ":%s %s %s ", | |
925 | get_id(source_p, target_p), command, | |
926 | get_id(target_p, target_p)); | |
927 | va_end(args); | |
928 | ||
929 | if(MyClient(target_p)) | |
930 | _send_linebuf(target_p, &linebuf); | |
931 | else | |
932 | send_linebuf_remote(target_p, source_p, &linebuf); | |
933 | ||
934 | rb_linebuf_donebuf(&linebuf); | |
935 | } | |
936 | ||
937 | /* sendto_realops_snomask() | |
938 | * | |
939 | * inputs - snomask needed, level (opers/admin), va_args | |
940 | * output - | |
941 | * side effects - message is sent to opers with matching snomasks | |
942 | */ | |
943 | void | |
944 | sendto_realops_snomask(int flags, int level, const char *pattern, ...) | |
945 | { | |
946 | static char buf[BUFSIZE]; | |
947 | char *snobuf; | |
948 | struct Client *client_p; | |
949 | rb_dlink_node *ptr; | |
950 | rb_dlink_node *next_ptr; | |
951 | va_list args; | |
952 | buf_head_t linebuf; | |
953 | ||
954 | rb_linebuf_newbuf(&linebuf); | |
955 | ||
956 | /* Be very sure not to do things like "Trying to send to myself" | |
957 | * L_NETWIDE, otherwise infinite recursion may result! -- jilles */ | |
958 | if (level & L_NETWIDE && ConfigFileEntry.global_snotices) | |
959 | { | |
960 | /* rather a lot of copying around, oh well -- jilles */ | |
961 | va_start(args, pattern); | |
962 | rb_vsnprintf(buf, sizeof(buf), pattern, args); | |
963 | va_end(args); | |
964 | rb_linebuf_putmsg(&linebuf, pattern, NULL, | |
965 | ":%s NOTICE * :*** Notice -- %s", me.name, buf); | |
966 | snobuf = construct_snobuf(flags); | |
967 | if (snobuf[1] != '\0') | |
968 | sendto_server(NULL, NULL, CAP_ENCAP|CAP_TS6, NOCAPS, | |
969 | ":%s ENCAP * SNOTE %c :%s", | |
970 | me.id, snobuf[1], buf); | |
971 | } | |
972 | else | |
973 | { | |
974 | va_start(args, pattern); | |
975 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
976 | ":%s NOTICE * :*** Notice -- ", me.name); | |
977 | va_end(args); | |
978 | } | |
979 | level &= ~L_NETWIDE; | |
980 | ||
981 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, local_oper_list.head) | |
982 | { | |
983 | client_p = ptr->data; | |
984 | ||
985 | /* If we're sending it to opers and theyre an admin, skip. | |
986 | * If we're sending it to admins, and theyre not, skip. | |
987 | */ | |
988 | if(((level == L_ADMIN) && !IsOperAdmin(client_p)) || | |
989 | ((level == L_OPER) && IsOperAdmin(client_p))) | |
990 | continue; | |
991 | ||
992 | if(client_p->snomask & flags) | |
993 | _send_linebuf(client_p, &linebuf); | |
994 | } | |
995 | ||
996 | rb_linebuf_donebuf(&linebuf); | |
997 | } | |
998 | /* sendto_realops_snomask_from() | |
999 | * | |
1000 | * inputs - snomask needed, level (opers/admin), source server, va_args | |
1001 | * output - | |
1002 | * side effects - message is sent to opers with matching snomask | |
1003 | */ | |
1004 | void | |
1005 | sendto_realops_snomask_from(int flags, int level, struct Client *source_p, | |
1006 | const char *pattern, ...) | |
1007 | { | |
1008 | struct Client *client_p; | |
1009 | rb_dlink_node *ptr; | |
1010 | rb_dlink_node *next_ptr; | |
1011 | va_list args; | |
1012 | buf_head_t linebuf; | |
1013 | ||
1014 | rb_linebuf_newbuf(&linebuf); | |
1015 | ||
1016 | va_start(args, pattern); | |
1017 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
1018 | ":%s NOTICE * :*** Notice -- ", source_p->name); | |
1019 | va_end(args); | |
1020 | ||
1021 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, local_oper_list.head) | |
1022 | { | |
1023 | client_p = ptr->data; | |
1024 | ||
1025 | /* If we're sending it to opers and theyre an admin, skip. | |
1026 | * If we're sending it to admins, and theyre not, skip. | |
1027 | */ | |
1028 | if(((level == L_ADMIN) && !IsOperAdmin(client_p)) || | |
1029 | ((level == L_OPER) && IsOperAdmin(client_p))) | |
1030 | continue; | |
1031 | ||
1032 | if(client_p->snomask & flags) | |
1033 | _send_linebuf(client_p, &linebuf); | |
1034 | } | |
1035 | ||
1036 | rb_linebuf_donebuf(&linebuf); | |
1037 | } | |
1038 | ||
1039 | /* | |
1040 | * sendto_wallops_flags | |
1041 | * | |
1042 | * inputs - flag types of messages to show to real opers | |
1043 | * - client sending request | |
1044 | * - var args input message | |
1045 | * output - NONE | |
1046 | * side effects - Send a wallops to local opers | |
1047 | */ | |
1048 | void | |
1049 | sendto_wallops_flags(int flags, struct Client *source_p, const char *pattern, ...) | |
1050 | { | |
1051 | struct Client *client_p; | |
1052 | rb_dlink_node *ptr; | |
1053 | rb_dlink_node *next_ptr; | |
1054 | va_list args; | |
1055 | buf_head_t linebuf; | |
1056 | ||
1057 | rb_linebuf_newbuf(&linebuf); | |
1058 | ||
1059 | va_start(args, pattern); | |
1060 | ||
1061 | if(IsPerson(source_p)) | |
1062 | rb_linebuf_putmsg(&linebuf, pattern, &args, | |
1063 | ":%s!%s@%s WALLOPS :", source_p->name, | |
1064 | source_p->username, source_p->host); | |
1065 | else | |
1066 | rb_linebuf_putmsg(&linebuf, pattern, &args, ":%s WALLOPS :", source_p->name); | |
1067 | ||
1068 | va_end(args); | |
1069 | ||
1070 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, IsPerson(source_p) && flags == UMODE_WALLOP ? lclient_list.head : local_oper_list.head) | |
1071 | { | |
1072 | client_p = ptr->data; | |
1073 | ||
1074 | if(client_p->umodes & flags) | |
1075 | _send_linebuf(client_p, &linebuf); | |
1076 | } | |
1077 | ||
1078 | rb_linebuf_donebuf(&linebuf); | |
1079 | } | |
1080 | ||
1081 | /* kill_client() | |
1082 | * | |
1083 | * input - client to send kill to, client to kill, va_args | |
1084 | * output - | |
1085 | * side effects - we issue a kill for the client | |
1086 | */ | |
1087 | void | |
1088 | kill_client(struct Client *target_p, struct Client *diedie, const char *pattern, ...) | |
1089 | { | |
1090 | va_list args; | |
1091 | buf_head_t linebuf; | |
1092 | ||
1093 | rb_linebuf_newbuf(&linebuf); | |
1094 | ||
1095 | va_start(args, pattern); | |
1096 | rb_linebuf_putmsg(&linebuf, pattern, &args, ":%s KILL %s :", | |
1097 | get_id(&me, target_p), get_id(diedie, target_p)); | |
1098 | va_end(args); | |
1099 | ||
1100 | send_linebuf(target_p, &linebuf); | |
1101 | rb_linebuf_donebuf(&linebuf); | |
1102 | } | |
1103 | ||
1104 | ||
1105 | /* | |
1106 | * kill_client_serv_butone | |
1107 | * | |
1108 | * inputs - pointer to client to not send to | |
1109 | * - pointer to client to kill | |
1110 | * output - NONE | |
1111 | * side effects - Send a KILL for the given client | |
1112 | * message to all connected servers | |
1113 | * except the client 'one'. Also deal with | |
1114 | * client being unknown to leaf, as in lazylink... | |
1115 | */ | |
1116 | void | |
1117 | kill_client_serv_butone(struct Client *one, struct Client *target_p, const char *pattern, ...) | |
1118 | { | |
1119 | static char buf[BUFSIZE]; | |
1120 | va_list args; | |
1121 | struct Client *client_p; | |
1122 | rb_dlink_node *ptr; | |
1123 | rb_dlink_node *next_ptr; | |
1124 | buf_head_t rb_linebuf_id; | |
1125 | ||
1126 | rb_linebuf_newbuf(&rb_linebuf_id); | |
1127 | ||
1128 | va_start(args, pattern); | |
1129 | rb_vsnprintf(buf, sizeof(buf), pattern, args); | |
1130 | va_end(args); | |
1131 | ||
1132 | rb_linebuf_putmsg(&rb_linebuf_id, NULL, NULL, ":%s KILL %s :%s", | |
1133 | use_id(&me), use_id(target_p), buf); | |
1134 | ||
1135 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, serv_list.head) | |
1136 | { | |
1137 | client_p = ptr->data; | |
1138 | ||
1139 | /* ok, if the client we're supposed to not send to has an | |
1140 | * ID, then we still want to issue the kill there.. | |
1141 | */ | |
1142 | if(one != NULL && (client_p == one->from) && | |
1143 | (!has_id(client_p) || !has_id(target_p))) | |
1144 | continue; | |
1145 | ||
1146 | _send_linebuf(client_p, &rb_linebuf_id); | |
1147 | } | |
1148 | ||
1149 | rb_linebuf_donebuf(&rb_linebuf_id); | |
1150 | } |