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root/svn/ircd-hybrid/trunk/src/user.c
Revision: 7601
Committed: Mon Jun 13 19:03:05 2016 UTC (7 years, 10 months ago) by michael
Content type: text/x-csrc
File size: 23362 byte(s)
Log Message:
- user.c:send_umode_out(): replace MyClient test with just MyConnect

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2016 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 "send.h"
45 #include "memory.h"
46 #include "packet.h"
47 #include "rng_mt.h"
48 #include "userhost.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[IRCD_BUFSIZE];
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 { 'x', UMODE_HIDDENHOST },
87 { 'y', UMODE_SPY },
88 { '\0', 0 }
89 };
90
91 void
92 user_modes_init(void)
93 {
94 char *umode_buffer_ptr = umode_buffer;
95
96 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
97 {
98 umode_map[tab->c] = tab;
99 *umode_buffer_ptr++ = tab->c;
100 }
101
102 *umode_buffer_ptr = '\0';
103 }
104
105 /* show_lusers()
106 *
107 * inputs - pointer to client
108 * output - NONE
109 * side effects - display to client user counts etc.
110 */
111 void
112 show_lusers(struct Client *source_p)
113 {
114 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
115 sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
116 Count.invisi, dlink_list_length(&global_server_list));
117 else
118 sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
119 Count.invisi, 1);
120
121 if (Count.oper)
122 sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
123
124 if (dlink_list_length(&unknown_list))
125 sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
126
127 if (dlink_list_length(&channel_list))
128 sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
129
130 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
131 {
132 sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
133 sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
134 }
135 else
136 {
137 sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
138 sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
139 }
140
141 sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
142
143 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
144 sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
145 Count.max_loc_cli, Count.totalrestartcount);
146
147 if (Count.local > Count.max_loc_cli)
148 Count.max_loc_cli = Count.local;
149
150 if ((Count.local + Count.myserver) > Count.max_loc_con)
151 Count.max_loc_con = Count.local + Count.myserver;
152 }
153
154 /* report_and_set_user_flags()
155 *
156 * inputs - pointer to source_p
157 * - pointer to conf for this user
158 * output - NONE
159 * side effects - Report to user any special flags
160 * they are getting, and set them.
161 */
162 static void
163 report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
164 {
165 /* If this user is being spoofed, tell them so */
166 if (IsConfDoSpoofIp(conf))
167 sendto_one_notice(source_p, &me, ":*** Spoofing your IP");
168
169 /* If this user is in the exception class, set it "E lined" */
170 if (IsConfExemptKline(conf))
171 {
172 AddFlag(source_p, FLAGS_EXEMPTKLINE);
173 sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines");
174 }
175
176 if (IsConfExemptXline(conf))
177 {
178 AddFlag(source_p, FLAGS_EXEMPTXLINE);
179 sendto_one_notice(source_p, &me, ":*** You are exempt from X lines");
180 }
181
182 if (IsConfExemptResv(conf))
183 {
184 AddFlag(source_p, FLAGS_EXEMPTRESV);
185 sendto_one_notice(source_p, &me, ":*** You are exempt from resvs");
186 }
187
188 /* If this user is exempt from user limits set it "F lined" */
189 if (IsConfExemptLimits(conf))
190 {
191 AddFlag(source_p, FLAGS_NOLIMIT);
192 sendto_one_notice(source_p, &me, ":*** You are exempt from user limits");
193 }
194
195 if (IsConfCanFlood(conf))
196 {
197 AddFlag(source_p, FLAGS_CANFLOOD);
198 sendto_one_notice(source_p, &me, ":*** You are exempt from flood protection");
199 }
200 }
201
202 /* introduce_client()
203 *
204 * inputs - source_p
205 * output - NONE
206 * side effects - This common function introduces a client to the rest
207 * of the net, either from a local client connect or
208 * from a remote connect.
209 */
210 static void
211 introduce_client(struct Client *source_p)
212 {
213 dlink_node *node = NULL;
214 char ubuf[IRCD_BUFSIZE] = "";
215
216 send_umode(source_p, MyConnect(source_p), 0, ubuf);
217 watch_check_hash(source_p, RPL_LOGON);
218
219 if (ubuf[0] == '\0')
220 {
221 ubuf[0] = '+';
222 ubuf[1] = '\0';
223 }
224
225 DLINK_FOREACH(node, local_server_list.head)
226 {
227 struct Client *server = node->data;
228
229 if (server == source_p->from)
230 continue;
231
232 sendto_one(server, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
233 source_p->servptr->id,
234 source_p->name, source_p->hopcount+1,
235 source_p->tsinfo,
236 ubuf, source_p->username, source_p->host,
237 source_p->sockhost, source_p->id,
238 source_p->account,
239 source_p->info);
240
241 if (!EmptyString(source_p->certfp))
242 sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
243 }
244 }
245
246 /* user_welcome()
247 *
248 * inputs - client pointer to client to welcome
249 * output - NONE
250 * side effects -
251 */
252 static void
253 user_welcome(struct Client *source_p)
254 {
255 static const char built_date[] = __DATE__ " at " __TIME__;
256
257 if (HasFlag(source_p, FLAGS_SSL))
258 {
259 AddUMode(source_p, UMODE_SSL);
260 sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
261 tls_get_cipher(&source_p->connection->fd.ssl));
262 }
263
264 sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
265 source_p->name);
266 sendto_one_numeric(source_p, &me, RPL_YOURHOST,
267 listener_get_name(source_p->connection->listener), ircd_version);
268 sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
269 sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
270
271 isupport_show(source_p);
272 show_lusers(source_p);
273 motd_signon(source_p);
274 }
275
276 /* check_xline()
277 *
278 * inputs - pointer to client to test
279 * outupt - 1 if exiting 0 if ok
280 * side effects -
281 */
282 static int
283 check_xline(struct Client *source_p)
284 {
285 const struct GecosItem *gecos = NULL;
286
287 if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
288 return 0;
289
290 if ((gecos = gecos_find(source_p->info, match)))
291 {
292 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
293 "X-line Rejecting [%s] [%s], user %s [%s]",
294 source_p->info, gecos->reason,
295 get_client_name(source_p, HIDE_IP),
296 source_p->sockhost);
297
298 ++ServerStats.is_ref;
299 exit_client(source_p, "Bad user info");
300 return 1;
301 }
302
303 return 0;
304 }
305
306 /*! \brief This function is called when both NICK and USER messages
307 * have been accepted for the client, in whatever order. Only
308 * after this, is the UID message propagated.
309 * \param source_p Pointer to given client to introduce
310 */
311 void
312 register_local_user(struct Client *source_p)
313 {
314 const struct MaskItem *conf = NULL;
315
316 assert(source_p == source_p->from);
317 assert(MyConnect(source_p));
318 assert(IsUnknown(source_p));
319 assert(!source_p->connection->registration);
320
321 if (ConfigGeneral.ping_cookie)
322 {
323 if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
324 {
325 do
326 source_p->connection->random_ping = genrand_int32();
327 while (!source_p->connection->random_ping);
328
329 sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
330 AddFlag(source_p, FLAGS_PINGSENT);
331 return;
332 }
333
334 if (!HasFlag(source_p, FLAGS_PING_COOKIE))
335 return;
336 }
337
338 source_p->connection->last_privmsg = CurrentTime;
339 /* Straight up the maximum rate of flooding... */
340 source_p->connection->allow_read = MAX_FLOOD_BURST;
341
342 if (!check_client(source_p))
343 return;
344
345 if (!valid_hostname(source_p->host))
346 {
347 sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
348 "character in your hostname");
349 strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
350 }
351
352 conf = source_p->connection->confs.head->data;
353
354 if (!HasFlag(source_p, FLAGS_GOTID))
355 {
356 char username[USERLEN + 1] = "";
357 unsigned int i = 0;
358
359 if (IsNeedIdentd(conf))
360 {
361 ++ServerStats.is_ref;
362 sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
363 "identd to use this server");
364 exit_client(source_p, "Install identd");
365 return;
366 }
367
368 strlcpy(username, source_p->username, sizeof(username));
369
370 if (!IsNoTilde(conf))
371 source_p->username[i++] = '~';
372
373 for (const char *p = username; *p && i < USERLEN; ++p)
374 source_p->username[i++] = *p;
375
376 source_p->username[i] = '\0';
377 }
378
379 /* Password check */
380 if (!EmptyString(conf->passwd))
381 {
382 if (!match_conf_password(source_p->connection->password, conf))
383 {
384 ++ServerStats.is_ref;
385
386 sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
387 exit_client(source_p, "Bad Password");
388 return;
389 }
390 }
391
392 /*
393 * Don't free source_p->connection->password here - it can be required
394 * by masked /stats I if there are auth {} blocks with need_password = no;
395 * --adx
396 */
397
398 /*
399 * Report if user has &^>= etc. and set flags as needed in source_p
400 */
401 report_and_set_user_flags(source_p, conf);
402
403 if (IsDead(source_p))
404 return;
405
406 /*
407 * Limit clients -
408 * We want to be able to have servers and F-line clients
409 * connect, so save room for "buffer" connections.
410 * Smaller servers may want to decrease this, and it should
411 * probably be just a percentage of the MAXCLIENTS...
412 * -Taner
413 */
414 if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
415 (Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
416 {
417 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
418 "Too many clients, rejecting %s[%s].",
419 source_p->name, source_p->host);
420 ++ServerStats.is_ref;
421 exit_client(source_p, "Sorry, server is full - try later");
422 return;
423 }
424
425 if (!valid_username(source_p->username, 1))
426 {
427 char buf[IRCD_BUFSIZE] = "";
428
429 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
430 "Invalid username: %s (%s@%s)",
431 source_p->name, source_p->username, source_p->host);
432 ++ServerStats.is_ref;
433 snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
434 exit_client(source_p, buf);
435 return;
436 }
437
438 if (check_xline(source_p))
439 return;
440
441 const char *id;
442 while (hash_find_id((id = uid_get())))
443 ;
444
445 strlcpy(source_p->id, id, sizeof(source_p->id));
446 hash_add_id(source_p);
447
448 sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
449 "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
450 source_p->name, source_p->username, source_p->host,
451 source_p->sockhost,
452 get_client_class(&source_p->connection->confs),
453 source_p->info, source_p->id);
454
455 if (ConfigGeneral.invisible_on_connect)
456 {
457 AddUMode(source_p, UMODE_INVISIBLE);
458 ++Count.invisi;
459 }
460
461 if (++Count.local > Count.max_loc)
462 {
463 Count.max_loc = Count.local;
464
465 if (!(Count.max_loc % 10))
466 sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
467 "New maximum local client connections: %u",
468 Count.max_loc);
469 }
470
471 if (++Count.total > Count.max_tot)
472 Count.max_tot = Count.total;
473 ++Count.totalrestartcount;
474
475 assert(source_p->servptr == &me);
476 SetClient(source_p);
477 dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
478 dlinkAdd(source_p, &source_p->node, &global_client_list);
479
480 assert(dlinkFind(&unknown_list, source_p));
481
482 dlink_move_node(&source_p->connection->lclient_node,
483 &unknown_list, &local_client_list);
484
485 user_welcome(source_p);
486 userhost_add(source_p->username, source_p->host, 0);
487 AddFlag(source_p, FLAGS_USERHOST);
488
489 introduce_client(source_p);
490 }
491
492 /* register_remote_user()
493 *
494 * inputs - source_p remote or directly connected client
495 * - username to register as
496 * - host name to register as
497 * - server name
498 * output - NONE
499 * side effects - This function is called when a remote client
500 * is introduced by a server.
501 */
502 void
503 register_remote_user(struct Client *source_p)
504 {
505 const struct Client *target_p = NULL;
506
507 if ((target_p = source_p->servptr) && target_p->from != source_p->from)
508 {
509 sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
510 "Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
511 source_p->from->name, source_p->name, source_p->username,
512 source_p->host, source_p->servptr->name,
513 target_p->name, target_p->from->name);
514 sendto_one(source_p->from,
515 ":%s KILL %s :%s (UID from wrong direction (%s != %s))",
516 me.id, source_p->id, me.name, source_p->servptr->name,
517 target_p->from->name);
518
519 AddFlag(source_p, FLAGS_KILLED);
520 exit_client(source_p, "UID server wrong direction");
521 return;
522 }
523
524 /*
525 * If the nick has been introduced by a services server,
526 * make it a service as well.
527 */
528 if (HasFlag(source_p->servptr, FLAGS_SERVICE))
529 AddFlag(source_p, FLAGS_SERVICE);
530
531 if (++Count.total > Count.max_tot)
532 Count.max_tot = Count.total;
533
534 SetClient(source_p);
535 dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
536 dlinkAdd(source_p, &source_p->node, &global_client_list);
537 userhost_add(source_p->username, source_p->host, 1);
538 AddFlag(source_p, FLAGS_USERHOST);
539
540 if (HasFlag(source_p->servptr, FLAGS_EOB))
541 sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
542 "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
543 source_p->servptr->name,
544 source_p->name, source_p->username, source_p->host,
545 source_p->sockhost, source_p->info, source_p->id);
546
547 introduce_client(source_p);
548 }
549
550 /* valid_hostname()
551 *
552 * Inputs - pointer to hostname
553 * Output - 1 if valid, 0 if not
554 * Side effects - check hostname for validity
555 *
556 * NOTE: this doesn't allow a hostname to begin with a dot and
557 * will not allow more dots than chars.
558 */
559 int
560 valid_hostname(const char *hostname)
561 {
562 const char *p = hostname;
563
564 assert(p);
565
566 if (EmptyString(p) || *p == '.' || *p == ':')
567 return 0;
568
569 for (; *p; ++p)
570 if (!IsHostChar(*p))
571 return 0;
572
573 return p - hostname <= HOSTLEN;
574 }
575
576 /* valid_username()
577 *
578 * Inputs - pointer to user
579 * Output - 1 if valid, 0 if not
580 * Side effects - check username for validity
581 *
582 * Absolutely always reject any '*' '!' '?' '@' in an user name
583 * reject any odd control characters names.
584 * Allow '.' in username to allow for "first.last"
585 * style of username
586 */
587 int
588 valid_username(const char *username, const int local)
589 {
590 const char *p = username;
591
592 assert(p);
593
594 if (*p == '~')
595 ++p;
596
597 /*
598 * Reject usernames that don't start with an alphanum
599 * i.e. reject jokers who have '-@somehost' or '.@somehost'
600 * or "-hi-@somehost", "h-----@somehost" would still be accepted.
601 */
602 if (!IsAlNum(*p))
603 return 0;
604
605 if (local)
606 {
607 unsigned int dots = 0;
608
609 while (*++p)
610 {
611 if (*p == '.' && ConfigGeneral.dots_in_ident)
612 {
613 if (++dots > ConfigGeneral.dots_in_ident)
614 return 0;
615 if (!IsUserChar(*(p + 1)))
616 return 0;
617 }
618 else if (!IsUserChar(*p))
619 return 0;
620 }
621 }
622 else
623 {
624 while (*++p)
625 if (!IsUserChar(*p))
626 return 0;
627 }
628
629 return p - username <= USERLEN;
630 }
631
632 /* clean_nick_name()
633 *
634 * input - nickname
635 * - whether it's a local nick (1) or remote (0)
636 * output - none
637 * side effects - walks through the nickname, returning 0 if erroneous
638 */
639 int
640 valid_nickname(const char *nickname, const int local)
641 {
642 const char *p = nickname;
643
644 assert(p);
645
646 /*
647 * Nicks can't start with a digit or - or be 0 length.
648 */
649 if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
650 return 0;
651
652 for (; *p; ++p)
653 if (!IsNickChar(*p))
654 return 0;
655
656 return p - nickname <= NICKLEN;
657 }
658
659 /*! \brief Builds a mode change string to buffer pointed by \a buf
660 * \param client_p Pointer to client
661 * \param send Whether to send a MODE message to client_p
662 * \param old Old user mode to compare against when building new mode buffer
663 * \param buf Pointer to buffer to build string in
664 */
665 void
666 send_umode(struct Client *client_p, unsigned int send,
667 unsigned int old, char *buf)
668 {
669 char *m = buf;
670 int what = 0;
671
672 /*
673 * Build a string in umode_buf to represent the change in the user's
674 * mode between the new (source_p->umodes) and 'old'.
675 */
676 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
677 {
678 if ((tab->flag & old) && !HasUMode(client_p, tab->flag))
679 {
680 if (what == MODE_DEL)
681 *m++ = tab->c;
682 else
683 {
684 what = MODE_DEL;
685 *m++ = '-';
686 *m++ = tab->c;
687 }
688 }
689 else if (!(tab->flag & old) && HasUMode(client_p, tab->flag))
690 {
691 if (what == MODE_ADD)
692 *m++ = tab->c;
693 else
694 {
695 what = MODE_ADD;
696 *m++ = '+';
697 *m++ = tab->c;
698 }
699 }
700 }
701
702 *m = '\0';
703
704 if (send && *buf)
705 sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
706 client_p->name, client_p->username,
707 client_p->host, client_p->name, buf);
708 }
709
710 /* send_umode_out()
711 *
712 * inputs -
713 * output - NONE
714 * side effects - Only send ubuf out to servers that know about this client
715 */
716 void
717 send_umode_out(struct Client *source_p, unsigned int old)
718 {
719 char buf[IRCD_BUFSIZE] = "";
720
721 send_umode(source_p, MyConnect(source_p), old, buf);
722
723 if (buf[0])
724 sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
725 source_p->id, source_p->id, buf);
726 }
727
728 void
729 user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
730 {
731 dlink_node *node = NULL;
732
733 if (!strcmp(target_p->host, hostname))
734 return;
735
736 switch (what)
737 {
738 case MODE_ADD:
739 AddUMode(target_p, UMODE_HIDDENHOST);
740 break;
741 case MODE_DEL:
742 DelUMode(target_p, UMODE_HIDDENHOST);
743 break;
744 default: return;
745 }
746
747 if (ConfigGeneral.cycle_on_host_change)
748 sendto_common_channels_local(target_p, 0, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
749 target_p->name, target_p->username, target_p->host);
750
751 sendto_common_channels_local(target_p, 0, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
752 target_p->name, target_p->username,
753 target_p->host, target_p->username, hostname);
754
755 if (HasFlag(target_p, FLAGS_USERHOST))
756 userhost_del(target_p->username, target_p->host, !MyConnect(target_p));
757
758 strlcpy(target_p->host, hostname, sizeof(target_p->host));
759
760 userhost_add(target_p->username, target_p->host, !MyConnect(target_p));
761 AddFlag(target_p, FLAGS_USERHOST);
762
763 if (MyConnect(target_p))
764 {
765 sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
766 clear_ban_cache_client(target_p);
767 }
768
769 if (!ConfigGeneral.cycle_on_host_change)
770 return;
771
772 DLINK_FOREACH(node, target_p->channel.head)
773 {
774 char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
775 char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
776 char *p = modebuf;
777 int len = 0;
778 const struct Membership *member = node->data;
779
780 if (has_member_flags(member, CHFL_CHANOP))
781 {
782 *p++ = 'o';
783 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
784 }
785
786 if (has_member_flags(member, CHFL_HALFOP))
787 {
788 *p++ = 'h';
789 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
790 }
791
792 if (has_member_flags(member, CHFL_VOICE))
793 {
794 *p++ = 'v';
795 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
796 }
797
798 *p = '\0';
799
800 sendto_channel_local(target_p, member->chptr, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
801 target_p->name, target_p->username,
802 target_p->host, member->chptr->name,
803 target_p->account, target_p->info);
804 sendto_channel_local(target_p, member->chptr, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
805 target_p->name, target_p->username,
806 target_p->host, member->chptr->name);
807
808 if (nickbuf[0])
809 sendto_channel_local(target_p, member->chptr, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
810 target_p->servptr->name, member->chptr->name,
811 modebuf, nickbuf);
812 }
813
814 if (target_p->away[0])
815 sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY, CAP_CHGHOST,
816 ":%s!%s@%s AWAY :%s",
817 target_p->name, target_p->username,
818 target_p->host, target_p->away);
819 }

Properties

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