ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/svn/ircd-hybrid/trunk/src/user.c
Revision: 9157
Committed: Mon Jan 13 14:56:38 2020 UTC (5 years, 7 months ago) by michael
Content type: text/x-csrc
File size: 22658 byte(s)
Log Message:
- Replaced most occurences of 'SSL' with 'TLS'

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2020 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 #include "patchlevel.h"
55
56 static char umode_buffer[UMODE_MAX_STR];
57
58 const struct user_modes *umode_map[256];
59 const struct user_modes umode_tab[] =
60 {
61 { 'D', UMODE_DEAF },
62 { 'F', UMODE_FARCONNECT },
63 { 'G', UMODE_SOFTCALLERID },
64 { 'H', UMODE_HIDDEN },
65 { 'X', UMODE_EXPIRATION },
66 { 'R', UMODE_REGONLY },
67 { 'S', UMODE_SECURE },
68 { 'W', UMODE_WEBIRC },
69 { 'a', UMODE_ADMIN },
70 { 'b', UMODE_BOTS },
71 { 'c', UMODE_CCONN },
72 { 'd', UMODE_DEBUG },
73 { 'e', UMODE_EXTERNAL },
74 { 'f', UMODE_FULL },
75 { 'g', UMODE_CALLERID },
76 { 'i', UMODE_INVISIBLE },
77 { 'j', UMODE_REJ },
78 { 'k', UMODE_SKILL },
79 { 'l', UMODE_LOCOPS },
80 { 'n', UMODE_NCHANGE },
81 { 'o', UMODE_OPER },
82 { 'p', UMODE_HIDECHANS },
83 { 'q', UMODE_HIDEIDLE },
84 { 'r', UMODE_REGISTERED },
85 { 's', UMODE_SERVNOTICE },
86 { 'u', UMODE_UNAUTH },
87 { 'w', UMODE_WALLOP },
88 { 'y', UMODE_SPY },
89 { '\0', 0 }
90 };
91
92 void
93 user_modes_init(void)
94 {
95 char *umode_buffer_ptr = umode_buffer;
96
97 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
98 {
99 umode_map[tab->c] = tab;
100 *umode_buffer_ptr++ = tab->c;
101 }
102
103 *umode_buffer_ptr = '\0';
104 }
105
106 /* show_lusers()
107 *
108 * inputs - pointer to client
109 * output - NONE
110 * side effects - display to client user counts etc.
111 */
112 void
113 show_lusers(struct Client *client_p)
114 {
115 if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
116 sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
117 Count.invisi, dlink_list_length(&global_server_list));
118 else
119 sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
120 Count.invisi, 1);
121
122 if (Count.oper)
123 sendto_one_numeric(client_p, &me, RPL_LUSEROP, Count.oper);
124
125 if (dlink_list_length(&unknown_list))
126 sendto_one_numeric(client_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
127
128 if (dlink_list_length(channel_get_list()))
129 sendto_one_numeric(client_p, &me, RPL_LUSERCHANNELS, dlink_list_length(channel_get_list()));
130
131 if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
132 {
133 sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&local_client_list), dlink_list_length(&local_server_list));
134 sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&local_client_list), Count.max_loc);
135 sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
136 sendto_one_numeric(client_p, &me, RPL_STATSCONN, Count.max_loc_con, Count.max_loc, Count.totalrestartcount);
137 }
138 else
139 {
140 sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&global_client_list), 0);
141 sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
142 sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
143 }
144 }
145
146 /* report_and_set_user_flags()
147 *
148 * inputs - pointer to client_p
149 * - pointer to conf for this user
150 * output - NONE
151 * side effects - Report to user any special flags
152 * they are getting, and set them.
153 */
154 static void
155 report_and_set_user_flags(struct Client *client_p, const struct MaskItem *conf)
156 {
157 /* If this user is being spoofed, tell them so */
158 if (IsConfDoSpoofIp(conf))
159 sendto_one_notice(client_p, &me, ":*** Spoofing your IP");
160
161 /* If this user is in the exception class, set it "E lined" */
162 if (IsConfExemptKline(conf))
163 {
164 AddFlag(client_p, FLAGS_EXEMPTKLINE);
165 sendto_one_notice(client_p, &me, ":*** You are exempt from K/D lines");
166 }
167
168 if (IsConfExemptXline(conf))
169 {
170 AddFlag(client_p, FLAGS_EXEMPTXLINE);
171 sendto_one_notice(client_p, &me, ":*** You are exempt from X lines");
172 }
173
174 if (IsConfExemptResv(conf))
175 {
176 AddFlag(client_p, FLAGS_EXEMPTRESV);
177 sendto_one_notice(client_p, &me, ":*** You are exempt from resvs");
178 }
179
180 /* If this user is exempt from user limits set it "F lined" */
181 if (IsConfExemptLimits(conf))
182 {
183 AddFlag(client_p, FLAGS_NOLIMIT);
184 sendto_one_notice(client_p, &me, ":*** You are exempt from user limits");
185 }
186
187 if (IsConfCanFlood(conf))
188 {
189 AddFlag(client_p, FLAGS_CANFLOOD);
190 sendto_one_notice(client_p, &me, ":*** You are exempt from flood protection");
191 }
192 }
193
194 /* introduce_client()
195 *
196 * inputs - client_p
197 * output - NONE
198 * side effects - This common function introduces a client to the rest
199 * of the net, either from a local client connect or
200 * from a remote connect.
201 */
202 static void
203 introduce_client(struct Client *client_p)
204 {
205 dlink_node *node;
206 char buf[UMODE_MAX_STR] = "";
207
208 send_umode(client_p, MyConnect(client_p), 0, buf);
209 watch_check_hash(client_p, RPL_LOGON);
210
211 if (buf[0] == '\0')
212 {
213 buf[0] = '+';
214 buf[1] = '\0';
215 }
216
217 DLINK_FOREACH(node, local_server_list.head)
218 {
219 struct Client *server_p = node->data;
220
221 if (server_p == client_p->from)
222 continue;
223
224 /* TBR: compatibility mode */
225 if (IsCapable(server_p, CAPAB_RHOST))
226 sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s %s :%s",
227 client_p->servptr->id,
228 client_p->name, client_p->hopcount+1,
229 client_p->tsinfo,
230 buf, client_p->username, client_p->host, client_p->realhost,
231 client_p->sockhost, client_p->id,
232 client_p->account,
233 client_p->info);
234 else
235 sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
236 client_p->servptr->id,
237 client_p->name, client_p->hopcount+1,
238 client_p->tsinfo,
239 buf, client_p->username, client_p->host,
240 client_p->sockhost, client_p->id,
241 client_p->account,
242 client_p->info);
243
244 if (!EmptyString(client_p->certfp))
245 sendto_one(server_p, ":%s CERTFP %s", client_p->id, client_p->certfp);
246 }
247 }
248
249 /* user_welcome()
250 *
251 * inputs - client pointer to client to welcome
252 * output - NONE
253 * side effects -
254 */
255 static void
256 user_welcome(struct Client *client_p)
257 {
258 static const char built_date[] = __DATE__ " at " __TIME__;
259
260 if (HasFlag(client_p, FLAGS_TLS))
261 {
262 AddUMode(client_p, UMODE_SECURE);
263 sendto_one_notice(client_p, &me, ":*** Connected securely via %s",
264 tls_get_cipher(&client_p->connection->fd->tls));
265 }
266
267 sendto_one_numeric(client_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
268 client_p->name, client_p->username, client_p->realhost);
269 sendto_one_numeric(client_p, &me, RPL_YOURHOST,
270 listener_get_name(client_p->connection->listener), PATCHLEVEL);
271 sendto_one_numeric(client_p, &me, RPL_CREATED, built_date);
272 sendto_one_numeric(client_p, &me, RPL_MYINFO, me.name, PATCHLEVEL, umode_buffer);
273
274 isupport_show(client_p);
275 show_lusers(client_p);
276 motd_signon(client_p);
277 }
278
279 /*! \brief This function is called when both NICK and USER messages
280 * have been accepted for the client, in whatever order. Only
281 * after this, is the UID message propagated.
282 * \param client_p Pointer to given client to introduce
283 */
284 void
285 register_local_user(struct Client *client_p)
286 {
287 const struct MaskItem *conf = NULL;
288
289 assert(client_p == client_p->from);
290 assert(client_p->connection->registration == 0);
291 assert(MyConnect(client_p));
292 assert(IsUnknown(client_p));
293
294 if (ConfigGeneral.ping_cookie)
295 {
296 if (!HasFlag(client_p, FLAGS_PINGSENT) && client_p->connection->random_ping == 0)
297 {
298 do
299 client_p->connection->random_ping = genrand_int32();
300 while (client_p->connection->random_ping == 0);
301
302 sendto_one(client_p, "PING :%u", client_p->connection->random_ping);
303 AddFlag(client_p, FLAGS_PINGSENT);
304 return;
305 }
306
307 if (!HasFlag(client_p, FLAGS_PING_COOKIE))
308 return;
309 }
310
311 if (conf_check_client(client_p) == false)
312 return;
313
314 conf = client_p->connection->confs.head->data;
315
316 if (!HasFlag(client_p, FLAGS_GOTID))
317 {
318 char username[USERLEN + 1] = "";
319 unsigned int i = 0;
320
321 if (IsNeedIdentd(conf))
322 {
323 ++ServerStats.is_ref;
324 sendto_one_notice(client_p, &me, ":*** Notice -- You need to install "
325 "identd to use this server");
326 exit_client(client_p, "Install identd");
327 return;
328 }
329
330 strlcpy(username, client_p->username, sizeof(username));
331
332 if (!IsNoTilde(conf))
333 client_p->username[i++] = '~';
334
335 for (const char *p = username; *p && i < USERLEN; ++p)
336 client_p->username[i++] = *p;
337
338 client_p->username[i] = '\0';
339 }
340
341 /* Password check */
342 if (!EmptyString(conf->passwd))
343 {
344 if (match_conf_password(client_p->connection->password, conf) == false)
345 {
346 ++ServerStats.is_ref;
347
348 sendto_one_numeric(client_p, &me, ERR_PASSWDMISMATCH);
349 exit_client(client_p, "Bad Password");
350 return;
351 }
352 }
353
354 /*
355 * Don't free client_p->connection->password here - it can be required
356 * by masked /stats I if there are auth {} blocks with need_password = no;
357 * --adx
358 */
359
360 /*
361 * Report if user has &^>= etc. and set flags as needed in client_p
362 */
363 report_and_set_user_flags(client_p, conf);
364
365 if (IsDead(client_p))
366 return;
367
368 /*
369 * Limit clients -
370 * We want to be able to have servers and F-line clients
371 * connect, so save room for "buffer" connections.
372 * Smaller servers may want to decrease this, and it should
373 * probably be just a percentage of the MAXCLIENTS...
374 * -Taner
375 */
376 if ((dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
377 (dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients && !HasFlag(client_p, FLAGS_NOLIMIT)))
378 {
379 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
380 "Too many clients, rejecting %s[%s].",
381 client_p->name, client_p->host);
382 ++ServerStats.is_ref;
383 exit_client(client_p, "Sorry, server is full - try later");
384 return;
385 }
386
387 if (valid_username(client_p->username, true) == false)
388 {
389 char buf[IRCD_BUFSIZE] = "";
390
391 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
392 "Invalid username: %s (%s@%s)",
393 client_p->name, client_p->username, client_p->host);
394 ++ServerStats.is_ref;
395 snprintf(buf, sizeof(buf), "Invalid username [%s]", client_p->username);
396 exit_client(client_p, buf);
397 return;
398 }
399
400 if (!HasFlag(client_p, FLAGS_EXEMPTXLINE))
401 {
402 const struct GecosItem *gecos = gecos_find(client_p->info, match);
403 if (gecos)
404 {
405 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
406 "X-line Rejecting [%s] [%s], user %s [%s]",
407 client_p->info, gecos->reason,
408 client_get_name(client_p, HIDE_IP),
409 client_p->sockhost);
410 ++ServerStats.is_ref;
411 exit_client(client_p, "Bad user info");
412 return;
413 }
414 }
415
416 const char *id;
417 while (hash_find_id((id = uid_get())))
418 ;
419
420 strlcpy(client_p->id, id, sizeof(client_p->id));
421 hash_add_id(client_p);
422
423 sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
424 "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
425 client_p->name, client_p->username, client_p->realhost,
426 client_p->sockhost,
427 get_client_class(&client_p->connection->confs),
428 client_p->info, client_p->id);
429
430 if (ConfigGeneral.invisible_on_connect)
431 {
432 AddUMode(client_p, UMODE_INVISIBLE);
433 ++Count.invisi;
434 }
435
436 assert(client_p->servptr == &me);
437
438 SetClient(client_p);
439 client_p->connection->last_privmsg = event_base->time.sec_monotonic;
440
441 dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
442 dlinkAdd(client_p, &client_p->node, &global_client_list);
443
444 assert(dlinkFind(&unknown_list, client_p));
445
446 dlink_move_node(&client_p->connection->lclient_node,
447 &unknown_list, &local_client_list);
448
449 if (dlink_list_length(&local_client_list) > Count.max_loc)
450 {
451 Count.max_loc = dlink_list_length(&local_client_list);
452
453 if (!(Count.max_loc % 10))
454 sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
455 "New maximum local client connections: %u",
456 Count.max_loc);
457 }
458
459 if ((dlink_list_length(&local_client_list) +
460 dlink_list_length(&local_server_list)) > Count.max_loc_con)
461 Count.max_loc_con = dlink_list_length(&local_client_list) +
462 dlink_list_length(&local_server_list);
463
464 if (dlink_list_length(&global_client_list) > Count.max_tot)
465 Count.max_tot = dlink_list_length(&global_client_list);
466 ++Count.totalrestartcount;
467
468 user_welcome(client_p);
469
470 introduce_client(client_p);
471 }
472
473 /* register_remote_user()
474 *
475 * inputs - client_p remote or directly connected client
476 * - username to register as
477 * - host name to register as
478 * - server name
479 * output - NONE
480 * side effects - This function is called when a remote client
481 * is introduced by a server.
482 */
483 void
484 register_remote_user(struct Client *client_p)
485 {
486 assert(client_p->servptr->from == client_p->from);
487
488 /*
489 * If the nick has been introduced by a services server,
490 * make it a service as well.
491 */
492 if (HasFlag(client_p->servptr, FLAGS_SERVICE))
493 AddFlag(client_p, FLAGS_SERVICE);
494
495 SetClient(client_p);
496 dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
497 dlinkAdd(client_p, &client_p->node, &global_client_list);
498
499 if (dlink_list_length(&global_client_list) > Count.max_tot)
500 Count.max_tot = dlink_list_length(&global_client_list);
501
502 if (HasFlag(client_p->servptr, FLAGS_EOB))
503 sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
504 "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
505 client_p->servptr->name,
506 client_p->name, client_p->username, client_p->realhost,
507 client_p->sockhost, client_p->info, client_p->id);
508
509 introduce_client(client_p);
510 }
511
512 /* valid_hostname()
513 *
514 * Inputs - pointer to hostname
515 * Output - 1 if valid, 0 if not
516 * Side effects - check hostname for validity
517 *
518 * NOTE: this doesn't allow a hostname to begin with a dot and
519 * will not allow more dots than chars.
520 */
521 bool
522 valid_hostname(const char *hostname)
523 {
524 const char *p = hostname;
525
526 assert(p);
527
528 if (EmptyString(p) || *p == '.' || *p == ':')
529 return false;
530
531 for (; *p; ++p)
532 if (!IsHostChar(*p))
533 return false;
534
535 return p - hostname <= HOSTLEN;
536 }
537
538 /* valid_username()
539 *
540 * Inputs - pointer to user
541 * Output - 1 if valid, 0 if not
542 * Side effects - check username for validity
543 *
544 * Absolutely always reject any '*' '!' '?' '@' in an user name
545 * reject any odd control characters names.
546 * Allow '.' in username to allow for "first.last"
547 * style of username
548 */
549 bool
550 valid_username(const char *username, bool local)
551 {
552 const char *p = username;
553
554 assert(p);
555
556 if (*p == '~')
557 ++p;
558
559 /*
560 * Reject usernames that don't start with an alphanum
561 * i.e. reject jokers who have '-@somehost' or '.@somehost'
562 * or "-hi-@somehost", "h-----@somehost" would still be accepted.
563 */
564 if (!IsAlNum(*p))
565 return false;
566
567 if (local)
568 {
569 unsigned int dots = 0;
570
571 while (*++p)
572 {
573 if (*p == '.' && ConfigGeneral.dots_in_ident)
574 {
575 if (++dots > ConfigGeneral.dots_in_ident)
576 return false;
577 if (!IsUserChar(*(p + 1)))
578 return false;
579 }
580 else if (!IsUserChar(*p))
581 return false;
582 }
583 }
584 else
585 {
586 while (*++p)
587 if (!IsUserChar(*p))
588 return false;
589 }
590
591 return p - username <= USERLEN;
592 }
593
594 /* clean_nick_name()
595 *
596 * input - nickname
597 * - whether it's a local nick (1) or remote (0)
598 * output - none
599 * side effects - walks through the nickname, returning 0 if erroneous
600 */
601 bool
602 valid_nickname(const char *nickname, bool local)
603 {
604 const char *p = nickname;
605
606 assert(p);
607
608 /*
609 * Nicks can't start with a digit or - or be 0 length.
610 */
611 if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
612 return false;
613
614 for (; *p; ++p)
615 if (!IsNickChar(*p))
616 return false;
617
618 return p - nickname <= NICKLEN;
619 }
620
621 /*! \brief Builds a mode change string to buffer pointed by \a buf
622 * \param client_p Pointer to client
623 * \param dispatch Whether to send a MODE message to client_p
624 * \param old Old user mode to compare against when building new mode buffer
625 * \param buf Pointer to buffer to build string in
626 */
627 void
628 send_umode(struct Client *client_p, bool dispatch, unsigned int old, char *buf)
629 {
630 char *m = buf;
631 int what = 0;
632
633 /*
634 * Build a string in umode_buf to represent the change in the user's
635 * mode between the new (client_p->umodes) and 'old'.
636 */
637 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
638 {
639 if ((tab->flag & old) && !HasUMode(client_p, tab->flag))
640 {
641 if (what == MODE_DEL)
642 *m++ = tab->c;
643 else
644 {
645 what = MODE_DEL;
646 *m++ = '-';
647 *m++ = tab->c;
648 }
649 }
650 else if (!(tab->flag & old) && HasUMode(client_p, tab->flag))
651 {
652 if (what == MODE_ADD)
653 *m++ = tab->c;
654 else
655 {
656 what = MODE_ADD;
657 *m++ = '+';
658 *m++ = tab->c;
659 }
660 }
661 }
662
663 *m = '\0';
664
665 if (dispatch == true && *buf)
666 sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
667 client_p->name, client_p->username,
668 client_p->host, client_p->name, buf);
669 }
670
671 /* send_umode_out()
672 *
673 * inputs -
674 * output - NONE
675 * side effects - Only send ubuf out to servers that know about this client
676 */
677 void
678 send_umode_out(struct Client *client_p, unsigned int old)
679 {
680 char buf[UMODE_MAX_STR] = "";
681
682 send_umode(client_p, MyConnect(client_p), old, buf);
683
684 if (buf[0])
685 sendto_server(client_p, 0, 0, ":%s MODE %s :%s",
686 client_p->id, client_p->id, buf);
687 }
688
689 void
690 user_set_hostmask(struct Client *client_p, const char *hostname)
691 {
692 dlink_node *node;
693
694 if (strcmp(client_p->host, hostname) == 0)
695 return;
696
697 if (ConfigGeneral.cycle_on_host_change)
698 sendto_common_channels_local(client_p, false, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
699 client_p->name, client_p->username, client_p->host);
700
701 sendto_common_channels_local(client_p, true, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
702 client_p->name, client_p->username,
703 client_p->host, client_p->username, hostname);
704
705 strlcpy(client_p->host, hostname, sizeof(client_p->host));
706
707 if (MyConnect(client_p))
708 {
709 sendto_one_numeric(client_p, &me, RPL_VISIBLEHOST, client_p->host);
710 clear_ban_cache_list(&client_p->channel);
711 }
712
713 if (ConfigGeneral.cycle_on_host_change == 0)
714 return;
715
716 DLINK_FOREACH(node, client_p->channel.head)
717 {
718 char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
719 char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
720 char *p = modebuf;
721 int len = 0;
722 const struct ChannelMember *member = node->data;
723
724 if (has_member_flags(member, CHFL_CHANOP))
725 {
726 *p++ = 'o';
727 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
728 }
729
730 if (has_member_flags(member, CHFL_HALFOP))
731 {
732 *p++ = 'h';
733 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
734 }
735
736 if (has_member_flags(member, CHFL_VOICE))
737 {
738 *p++ = 'v';
739 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
740 }
741
742 *p = '\0';
743
744 sendto_channel_local(client_p, member->channel, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
745 client_p->name, client_p->username,
746 client_p->host, member->channel->name,
747 client_p->account, client_p->info);
748 sendto_channel_local(client_p, member->channel, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
749 client_p->name, client_p->username,
750 client_p->host, member->channel->name);
751
752 if (nickbuf[0])
753 sendto_channel_local(client_p, member->channel, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
754 client_p->servptr->name, member->channel->name,
755 modebuf, nickbuf);
756 }
757
758 if (client_p->away[0])
759 sendto_common_channels_local(client_p, false, CAP_AWAY_NOTIFY, CAP_CHGHOST,
760 ":%s!%s@%s AWAY :%s",
761 client_p->name, client_p->username,
762 client_p->host, client_p->away);
763 }

Properties

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