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root/svn/ircd-hybrid/trunk/src/user.c
Revision: 8557
Committed: Sat Sep 22 21:45:45 2018 UTC (6 years, 11 months ago) by michael
Content type: text/x-csrc
File size: 22854 byte(s)
Log Message:
- Minor style corrections

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2018 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 user.c
23 * \brief User related functions.
24 * \version $Id$
25 */
26
27 #include "stdinc.h"
28 #include "list.h"
29 #include "user.h"
30 #include "channel.h"
31 #include "channel_mode.h"
32 #include "client.h"
33 #include "hash.h"
34 #include "id.h"
35 #include "irc_string.h"
36 #include "ircd.h"
37 #include "listener.h"
38 #include "motd.h"
39 #include "numeric.h"
40 #include "conf.h"
41 #include "conf_gecos.h"
42 #include "log.h"
43 #include "server.h"
44 #include "server_capab.h" /* TBR: RHOST compatibility mode */
45 #include "send.h"
46 #include "memory.h"
47 #include "packet.h"
48 #include "rng_mt.h"
49 #include "misc.h"
50 #include "parse.h"
51 #include "watch.h"
52 #include "isupport.h"
53 #include "tls.h"
54
55 static char umode_buffer[UMODE_MAX_STR];
56
57 const struct user_modes *umode_map[256];
58 const struct user_modes umode_tab[] =
59 {
60 { 'D', UMODE_DEAF },
61 { 'F', UMODE_FARCONNECT },
62 { 'G', UMODE_SOFTCALLERID },
63 { 'H', UMODE_HIDDEN },
64 { 'R', UMODE_REGONLY },
65 { 'S', UMODE_SSL },
66 { 'W', UMODE_WEBIRC },
67 { 'a', UMODE_ADMIN },
68 { 'b', UMODE_BOTS },
69 { 'c', UMODE_CCONN },
70 { 'd', UMODE_DEBUG },
71 { 'e', UMODE_EXTERNAL },
72 { 'f', UMODE_FULL },
73 { 'g', UMODE_CALLERID },
74 { 'i', UMODE_INVISIBLE },
75 { 'j', UMODE_REJ },
76 { 'k', UMODE_SKILL },
77 { 'l', UMODE_LOCOPS },
78 { 'n', UMODE_NCHANGE },
79 { 'o', UMODE_OPER },
80 { 'p', UMODE_HIDECHANS },
81 { 'q', UMODE_HIDEIDLE },
82 { 'r', UMODE_REGISTERED },
83 { 's', UMODE_SERVNOTICE },
84 { 'u', UMODE_UNAUTH },
85 { 'w', UMODE_WALLOP },
86 { 'y', UMODE_SPY },
87 { '\0', 0 }
88 };
89
90 void
91 user_modes_init(void)
92 {
93 char *umode_buffer_ptr = umode_buffer;
94
95 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
96 {
97 umode_map[tab->c] = tab;
98 *umode_buffer_ptr++ = tab->c;
99 }
100
101 *umode_buffer_ptr = '\0';
102 }
103
104 /* show_lusers()
105 *
106 * inputs - pointer to client
107 * output - NONE
108 * side effects - display to client user counts etc.
109 */
110 void
111 show_lusers(struct Client *client_p)
112 {
113 if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
114 sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
115 Count.invisi, dlink_list_length(&global_server_list));
116 else
117 sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
118 Count.invisi, 1);
119
120 if (Count.oper)
121 sendto_one_numeric(client_p, &me, RPL_LUSEROP, Count.oper);
122
123 if (dlink_list_length(&unknown_list))
124 sendto_one_numeric(client_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
125
126 if (dlink_list_length(channel_get_list()))
127 sendto_one_numeric(client_p, &me, RPL_LUSERCHANNELS, dlink_list_length(channel_get_list()));
128
129 if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
130 {
131 sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&local_client_list), dlink_list_length(&local_server_list));
132 sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&local_client_list), Count.max_loc);
133 sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
134 sendto_one_numeric(client_p, &me, RPL_STATSCONN, Count.max_loc_con, Count.max_loc, Count.totalrestartcount);
135 }
136 else
137 {
138 sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&global_client_list), 0);
139 sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
140 sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
141 }
142 }
143
144 /* report_and_set_user_flags()
145 *
146 * inputs - pointer to client_p
147 * - pointer to conf for this user
148 * output - NONE
149 * side effects - Report to user any special flags
150 * they are getting, and set them.
151 */
152 static void
153 report_and_set_user_flags(struct Client *client_p, const struct MaskItem *conf)
154 {
155 /* If this user is being spoofed, tell them so */
156 if (IsConfDoSpoofIp(conf))
157 sendto_one_notice(client_p, &me, ":*** Spoofing your IP");
158
159 /* If this user is in the exception class, set it "E lined" */
160 if (IsConfExemptKline(conf))
161 {
162 AddFlag(client_p, FLAGS_EXEMPTKLINE);
163 sendto_one_notice(client_p, &me, ":*** You are exempt from K/D lines");
164 }
165
166 if (IsConfExemptXline(conf))
167 {
168 AddFlag(client_p, FLAGS_EXEMPTXLINE);
169 sendto_one_notice(client_p, &me, ":*** You are exempt from X lines");
170 }
171
172 if (IsConfExemptResv(conf))
173 {
174 AddFlag(client_p, FLAGS_EXEMPTRESV);
175 sendto_one_notice(client_p, &me, ":*** You are exempt from resvs");
176 }
177
178 /* If this user is exempt from user limits set it "F lined" */
179 if (IsConfExemptLimits(conf))
180 {
181 AddFlag(client_p, FLAGS_NOLIMIT);
182 sendto_one_notice(client_p, &me, ":*** You are exempt from user limits");
183 }
184
185 if (IsConfCanFlood(conf))
186 {
187 AddFlag(client_p, FLAGS_CANFLOOD);
188 sendto_one_notice(client_p, &me, ":*** You are exempt from flood protection");
189 }
190 }
191
192 /* introduce_client()
193 *
194 * inputs - client_p
195 * output - NONE
196 * side effects - This common function introduces a client to the rest
197 * of the net, either from a local client connect or
198 * from a remote connect.
199 */
200 static void
201 introduce_client(struct Client *client_p)
202 {
203 dlink_node *node;
204 char buf[UMODE_MAX_STR] = "";
205
206 send_umode(client_p, MyConnect(client_p), 0, buf);
207 watch_check_hash(client_p, RPL_LOGON);
208
209 if (buf[0] == '\0')
210 {
211 buf[0] = '+';
212 buf[1] = '\0';
213 }
214
215 DLINK_FOREACH(node, local_server_list.head)
216 {
217 struct Client *server_p = node->data;
218
219 if (server_p == client_p->from)
220 continue;
221
222 /* TBR: compatibility mode */
223 if (IsCapable(server_p, CAPAB_RHOST))
224 sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s %s :%s",
225 client_p->servptr->id,
226 client_p->name, client_p->hopcount+1,
227 client_p->tsinfo,
228 buf, client_p->username, client_p->host, client_p->realhost,
229 client_p->sockhost, client_p->id,
230 client_p->account,
231 client_p->info);
232 else
233 sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
234 client_p->servptr->id,
235 client_p->name, client_p->hopcount+1,
236 client_p->tsinfo,
237 buf, client_p->username, client_p->host,
238 client_p->sockhost, client_p->id,
239 client_p->account,
240 client_p->info);
241
242 if (!EmptyString(client_p->certfp))
243 sendto_one(server_p, ":%s CERTFP %s", client_p->id, client_p->certfp);
244 }
245 }
246
247 /* user_welcome()
248 *
249 * inputs - client pointer to client to welcome
250 * output - NONE
251 * side effects -
252 */
253 static void
254 user_welcome(struct Client *client_p)
255 {
256 static const char built_date[] = __DATE__ " at " __TIME__;
257
258 if (HasFlag(client_p, FLAGS_SSL))
259 {
260 AddUMode(client_p, UMODE_SSL);
261 sendto_one_notice(client_p, &me, ":*** Connected securely via %s",
262 tls_get_cipher(&client_p->connection->fd->ssl));
263 }
264
265 sendto_one_numeric(client_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
266 client_p->name, client_p->username, client_p->realhost);
267 sendto_one_numeric(client_p, &me, RPL_YOURHOST,
268 listener_get_name(client_p->connection->listener), ircd_version);
269 sendto_one_numeric(client_p, &me, RPL_CREATED, built_date);
270 sendto_one_numeric(client_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
271
272 isupport_show(client_p);
273 show_lusers(client_p);
274 motd_signon(client_p);
275 }
276
277 /* check_xline()
278 *
279 * inputs - pointer to client to test
280 * outupt - 1 if exiting 0 if ok
281 * side effects -
282 */
283 static int
284 check_xline(struct Client *client_p)
285 {
286 const struct GecosItem *gecos = NULL;
287
288 if (HasFlag(client_p, FLAGS_EXEMPTXLINE))
289 return 0;
290
291 if ((gecos = gecos_find(client_p->info, match)))
292 {
293 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
294 "X-line Rejecting [%s] [%s], user %s [%s]",
295 client_p->info, gecos->reason,
296 client_get_name(client_p, HIDE_IP),
297 client_p->sockhost);
298
299 ++ServerStats.is_ref;
300 exit_client(client_p, "Bad user info");
301 return 1;
302 }
303
304 return 0;
305 }
306
307 /*! \brief This function is called when both NICK and USER messages
308 * have been accepted for the client, in whatever order. Only
309 * after this, is the UID message propagated.
310 * \param client_p Pointer to given client to introduce
311 */
312 void
313 register_local_user(struct Client *client_p)
314 {
315 const struct MaskItem *conf = NULL;
316
317 assert(client_p == client_p->from);
318 assert(client_p->connection->registration == 0);
319 assert(MyConnect(client_p));
320 assert(IsUnknown(client_p));
321
322 if (ConfigGeneral.ping_cookie)
323 {
324 if (!HasFlag(client_p, FLAGS_PINGSENT) && client_p->connection->random_ping == 0)
325 {
326 do
327 client_p->connection->random_ping = genrand_int32();
328 while (client_p->connection->random_ping == 0);
329
330 sendto_one(client_p, "PING :%u", client_p->connection->random_ping);
331 AddFlag(client_p, FLAGS_PINGSENT);
332 return;
333 }
334
335 if (!HasFlag(client_p, FLAGS_PING_COOKIE))
336 return;
337 }
338
339 client_p->connection->last_privmsg = CurrentTime;
340 /* Straight up the maximum rate of flooding... */
341 client_p->connection->allow_read = MAX_FLOOD_BURST;
342
343 if (check_client(client_p) == 0)
344 return;
345
346 conf = client_p->connection->confs.head->data;
347
348 if (!HasFlag(client_p, FLAGS_GOTID))
349 {
350 char username[USERLEN + 1] = "";
351 unsigned int i = 0;
352
353 if (IsNeedIdentd(conf))
354 {
355 ++ServerStats.is_ref;
356 sendto_one_notice(client_p, &me, ":*** Notice -- You need to install "
357 "identd to use this server");
358 exit_client(client_p, "Install identd");
359 return;
360 }
361
362 strlcpy(username, client_p->username, sizeof(username));
363
364 if (!IsNoTilde(conf))
365 client_p->username[i++] = '~';
366
367 for (const char *p = username; *p && i < USERLEN; ++p)
368 client_p->username[i++] = *p;
369
370 client_p->username[i] = '\0';
371 }
372
373 /* Password check */
374 if (!EmptyString(conf->passwd))
375 {
376 if (match_conf_password(client_p->connection->password, conf) == 0)
377 {
378 ++ServerStats.is_ref;
379
380 sendto_one_numeric(client_p, &me, ERR_PASSWDMISMATCH);
381 exit_client(client_p, "Bad Password");
382 return;
383 }
384 }
385
386 /*
387 * Don't free client_p->connection->password here - it can be required
388 * by masked /stats I if there are auth {} blocks with need_password = no;
389 * --adx
390 */
391
392 /*
393 * Report if user has &^>= etc. and set flags as needed in client_p
394 */
395 report_and_set_user_flags(client_p, conf);
396
397 if (IsDead(client_p))
398 return;
399
400 /*
401 * Limit clients -
402 * We want to be able to have servers and F-line clients
403 * connect, so save room for "buffer" connections.
404 * Smaller servers may want to decrease this, and it should
405 * probably be just a percentage of the MAXCLIENTS...
406 * -Taner
407 */
408 if ((dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
409 (dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients && !HasFlag(client_p, FLAGS_NOLIMIT)))
410 {
411 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
412 "Too many clients, rejecting %s[%s].",
413 client_p->name, client_p->host);
414 ++ServerStats.is_ref;
415 exit_client(client_p, "Sorry, server is full - try later");
416 return;
417 }
418
419 if (valid_username(client_p->username, 1) == 0)
420 {
421 char buf[IRCD_BUFSIZE] = "";
422
423 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
424 "Invalid username: %s (%s@%s)",
425 client_p->name, client_p->username, client_p->host);
426 ++ServerStats.is_ref;
427 snprintf(buf, sizeof(buf), "Invalid username [%s]", client_p->username);
428 exit_client(client_p, buf);
429 return;
430 }
431
432 if (check_xline(client_p))
433 return;
434
435 const char *id;
436 while (hash_find_id((id = uid_get())))
437 ;
438
439 strlcpy(client_p->id, id, sizeof(client_p->id));
440 hash_add_id(client_p);
441
442 sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
443 "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
444 client_p->name, client_p->username, client_p->realhost,
445 client_p->sockhost,
446 get_client_class(&client_p->connection->confs),
447 client_p->info, client_p->id);
448
449 if (ConfigGeneral.invisible_on_connect)
450 {
451 AddUMode(client_p, UMODE_INVISIBLE);
452 ++Count.invisi;
453 }
454
455 assert(client_p->servptr == &me);
456
457 SetClient(client_p);
458 dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
459 dlinkAdd(client_p, &client_p->node, &global_client_list);
460
461 assert(dlinkFind(&unknown_list, client_p));
462
463 dlink_move_node(&client_p->connection->lclient_node,
464 &unknown_list, &local_client_list);
465
466 if (dlink_list_length(&local_client_list) > Count.max_loc)
467 {
468 Count.max_loc = dlink_list_length(&local_client_list);
469
470 if (!(Count.max_loc % 10))
471 sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
472 "New maximum local client connections: %u",
473 Count.max_loc);
474 }
475
476 if ((dlink_list_length(&local_client_list) +
477 dlink_list_length(&local_server_list)) > Count.max_loc_con)
478 Count.max_loc_con = dlink_list_length(&local_client_list) +
479 dlink_list_length(&local_server_list);
480
481 if (dlink_list_length(&global_client_list) > Count.max_tot)
482 Count.max_tot = dlink_list_length(&global_client_list);
483 ++Count.totalrestartcount;
484
485 user_welcome(client_p);
486
487 introduce_client(client_p);
488 }
489
490 /* register_remote_user()
491 *
492 * inputs - client_p remote or directly connected client
493 * - username to register as
494 * - host name to register as
495 * - server name
496 * output - NONE
497 * side effects - This function is called when a remote client
498 * is introduced by a server.
499 */
500 void
501 register_remote_user(struct Client *client_p)
502 {
503 assert(client_p->servptr->from == client_p->from);
504
505 /*
506 * If the nick has been introduced by a services server,
507 * make it a service as well.
508 */
509 if (HasFlag(client_p->servptr, FLAGS_SERVICE))
510 AddFlag(client_p, FLAGS_SERVICE);
511
512 SetClient(client_p);
513 dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
514 dlinkAdd(client_p, &client_p->node, &global_client_list);
515
516 if (dlink_list_length(&global_client_list) > Count.max_tot)
517 Count.max_tot = dlink_list_length(&global_client_list);
518
519 if (HasFlag(client_p->servptr, FLAGS_EOB))
520 sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
521 "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
522 client_p->servptr->name,
523 client_p->name, client_p->username, client_p->realhost,
524 client_p->sockhost, client_p->info, client_p->id);
525
526 introduce_client(client_p);
527 }
528
529 /* valid_hostname()
530 *
531 * Inputs - pointer to hostname
532 * Output - 1 if valid, 0 if not
533 * Side effects - check hostname for validity
534 *
535 * NOTE: this doesn't allow a hostname to begin with a dot and
536 * will not allow more dots than chars.
537 */
538 int
539 valid_hostname(const char *hostname)
540 {
541 const char *p = hostname;
542
543 assert(p);
544
545 if (EmptyString(p) || *p == '.' || *p == ':')
546 return 0;
547
548 for (; *p; ++p)
549 if (!IsHostChar(*p))
550 return 0;
551
552 return p - hostname <= HOSTLEN;
553 }
554
555 /* valid_username()
556 *
557 * Inputs - pointer to user
558 * Output - 1 if valid, 0 if not
559 * Side effects - check username for validity
560 *
561 * Absolutely always reject any '*' '!' '?' '@' in an user name
562 * reject any odd control characters names.
563 * Allow '.' in username to allow for "first.last"
564 * style of username
565 */
566 int
567 valid_username(const char *username, const int local)
568 {
569 const char *p = username;
570
571 assert(p);
572
573 if (*p == '~')
574 ++p;
575
576 /*
577 * Reject usernames that don't start with an alphanum
578 * i.e. reject jokers who have '-@somehost' or '.@somehost'
579 * or "-hi-@somehost", "h-----@somehost" would still be accepted.
580 */
581 if (!IsAlNum(*p))
582 return 0;
583
584 if (local)
585 {
586 unsigned int dots = 0;
587
588 while (*++p)
589 {
590 if (*p == '.' && ConfigGeneral.dots_in_ident)
591 {
592 if (++dots > ConfigGeneral.dots_in_ident)
593 return 0;
594 if (!IsUserChar(*(p + 1)))
595 return 0;
596 }
597 else if (!IsUserChar(*p))
598 return 0;
599 }
600 }
601 else
602 {
603 while (*++p)
604 if (!IsUserChar(*p))
605 return 0;
606 }
607
608 return p - username <= USERLEN;
609 }
610
611 /* clean_nick_name()
612 *
613 * input - nickname
614 * - whether it's a local nick (1) or remote (0)
615 * output - none
616 * side effects - walks through the nickname, returning 0 if erroneous
617 */
618 int
619 valid_nickname(const char *nickname, const int local)
620 {
621 const char *p = nickname;
622
623 assert(p);
624
625 /*
626 * Nicks can't start with a digit or - or be 0 length.
627 */
628 if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
629 return 0;
630
631 for (; *p; ++p)
632 if (!IsNickChar(*p))
633 return 0;
634
635 return p - nickname <= NICKLEN;
636 }
637
638 /*! \brief Builds a mode change string to buffer pointed by \a buf
639 * \param client_p Pointer to client
640 * \param dispatch Whether to send a MODE message to client_p
641 * \param old Old user mode to compare against when building new mode buffer
642 * \param buf Pointer to buffer to build string in
643 */
644 void
645 send_umode(struct Client *client_p, unsigned int dispatch,
646 unsigned int old, char *buf)
647 {
648 char *m = buf;
649 int what = 0;
650
651 /*
652 * Build a string in umode_buf to represent the change in the user's
653 * mode between the new (client_p->umodes) and 'old'.
654 */
655 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
656 {
657 if ((tab->flag & old) && !HasUMode(client_p, tab->flag))
658 {
659 if (what == MODE_DEL)
660 *m++ = tab->c;
661 else
662 {
663 what = MODE_DEL;
664 *m++ = '-';
665 *m++ = tab->c;
666 }
667 }
668 else if (!(tab->flag & old) && HasUMode(client_p, tab->flag))
669 {
670 if (what == MODE_ADD)
671 *m++ = tab->c;
672 else
673 {
674 what = MODE_ADD;
675 *m++ = '+';
676 *m++ = tab->c;
677 }
678 }
679 }
680
681 *m = '\0';
682
683 if (dispatch && *buf)
684 sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
685 client_p->name, client_p->username,
686 client_p->host, client_p->name, buf);
687 }
688
689 /* send_umode_out()
690 *
691 * inputs -
692 * output - NONE
693 * side effects - Only send ubuf out to servers that know about this client
694 */
695 void
696 send_umode_out(struct Client *client_p, unsigned int old)
697 {
698 char buf[UMODE_MAX_STR] = "";
699
700 send_umode(client_p, MyConnect(client_p), old, buf);
701
702 if (buf[0])
703 sendto_server(client_p, 0, 0, ":%s MODE %s :%s",
704 client_p->id, client_p->id, buf);
705 }
706
707 void
708 user_set_hostmask(struct Client *client_p, const char *hostname)
709 {
710 dlink_node *node;
711
712 if (strcmp(client_p->host, hostname) == 0)
713 return;
714
715 if (ConfigGeneral.cycle_on_host_change)
716 sendto_common_channels_local(client_p, 0, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
717 client_p->name, client_p->username, client_p->host);
718
719 sendto_common_channels_local(client_p, 0, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
720 client_p->name, client_p->username,
721 client_p->host, client_p->username, hostname);
722
723 strlcpy(client_p->host, hostname, sizeof(client_p->host));
724
725 if (MyConnect(client_p))
726 {
727 sendto_one_numeric(client_p, &me, RPL_VISIBLEHOST, client_p->host);
728 clear_ban_cache_list(&client_p->channel);
729 }
730
731 if (ConfigGeneral.cycle_on_host_change == 0)
732 return;
733
734 DLINK_FOREACH(node, client_p->channel.head)
735 {
736 char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
737 char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
738 char *p = modebuf;
739 int len = 0;
740 const struct Membership *member = node->data;
741
742 if (has_member_flags(member, CHFL_CHANOP))
743 {
744 *p++ = 'o';
745 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
746 }
747
748 if (has_member_flags(member, CHFL_HALFOP))
749 {
750 *p++ = 'h';
751 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
752 }
753
754 if (has_member_flags(member, CHFL_VOICE))
755 {
756 *p++ = 'v';
757 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
758 }
759
760 *p = '\0';
761
762 sendto_channel_local(client_p, member->chptr, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
763 client_p->name, client_p->username,
764 client_p->host, member->chptr->name,
765 client_p->account, client_p->info);
766 sendto_channel_local(client_p, member->chptr, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
767 client_p->name, client_p->username,
768 client_p->host, member->chptr->name);
769
770 if (nickbuf[0])
771 sendto_channel_local(client_p, member->chptr, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
772 client_p->servptr->name, member->chptr->name,
773 modebuf, nickbuf);
774 }
775
776 if (client_p->away[0])
777 sendto_common_channels_local(client_p, 0, CAP_AWAY_NOTIFY, CAP_CHGHOST,
778 ":%s!%s@%s AWAY :%s",
779 client_p->name, client_p->username,
780 client_p->host, client_p->away);
781 }

Properties

Name Value
svn:eol-style native
svn:keywords Id