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root/svn/ircd-hybrid/branches/8.2.x/src/user.c
Revision: 6731
Committed: Wed Nov 4 21:55:44 2015 UTC (9 years, 9 months ago) by michael
Content type: text/x-csrc
File size: 23698 byte(s)
Log Message:
- user.c:user_set_hostmask(): replace a MyClient() test with just MyConnect()

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 *
4 * Copyright (c) 1997-2015 ircd-hybrid development team
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19 * USA
20 */
21
22 /*! \file 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 "log.h"
42 #include "server.h"
43 #include "send.h"
44 #include "memory.h"
45 #include "packet.h"
46 #include "rng_mt.h"
47 #include "userhost.h"
48 #include "misc.h"
49 #include "parse.h"
50 #include "watch.h"
51 #include "isupport.h"
52
53 static char umode_buffer[IRCD_BUFSIZE];
54
55 const struct user_modes *umode_map[256];
56 const struct user_modes umode_tab[] =
57 {
58 { 'D', UMODE_DEAF },
59 { 'F', UMODE_FARCONNECT },
60 { 'G', UMODE_SOFTCALLERID },
61 { 'H', UMODE_HIDDEN },
62 { 'R', UMODE_REGONLY },
63 { 'S', UMODE_SSL },
64 { 'W', UMODE_WEBIRC },
65 { 'a', UMODE_ADMIN },
66 { 'b', UMODE_BOTS },
67 { 'c', UMODE_CCONN },
68 { 'd', UMODE_DEBUG },
69 { 'e', UMODE_EXTERNAL },
70 { 'f', UMODE_FULL },
71 { 'g', UMODE_CALLERID },
72 { 'i', UMODE_INVISIBLE },
73 { 'j', UMODE_REJ },
74 { 'k', UMODE_SKILL },
75 { 'l', UMODE_LOCOPS },
76 { 'n', UMODE_NCHANGE },
77 { 'o', UMODE_OPER },
78 { 'p', UMODE_HIDECHANS },
79 { 'q', UMODE_HIDEIDLE },
80 { 'r', UMODE_REGISTERED },
81 { 's', UMODE_SERVNOTICE },
82 { 'u', UMODE_UNAUTH },
83 { 'w', UMODE_WALLOP },
84 { 'x', UMODE_HIDDENHOST },
85 { 'y', UMODE_SPY },
86 { '\0', 0 }
87 };
88
89 void
90 user_modes_init(void)
91 {
92 char *umode_buffer_ptr = umode_buffer;
93
94 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
95 {
96 umode_map[tab->c] = tab;
97 *umode_buffer_ptr++ = tab->c;
98 }
99
100 *umode_buffer_ptr = '\0';
101 }
102
103 /* show_lusers()
104 *
105 * inputs - pointer to client
106 * output - NONE
107 * side effects - display to client user counts etc.
108 */
109 void
110 show_lusers(struct Client *source_p)
111 {
112 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
113 sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
114 Count.invisi, dlink_list_length(&global_server_list));
115 else
116 sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
117 Count.invisi, 1);
118
119 if (Count.oper)
120 sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
121
122 if (dlink_list_length(&unknown_list))
123 sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
124
125 if (dlink_list_length(&channel_list))
126 sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
127
128 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
129 {
130 sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
131 sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
132 }
133 else
134 {
135 sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
136 sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
137 }
138
139 sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
140
141 if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142 sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
143 Count.max_loc_cli, Count.totalrestartcount);
144
145 if (Count.local > Count.max_loc_cli)
146 Count.max_loc_cli = Count.local;
147
148 if ((Count.local + Count.myserver) > Count.max_loc_con)
149 Count.max_loc_con = Count.local + Count.myserver;
150 }
151
152 /* report_and_set_user_flags()
153 *
154 * inputs - pointer to source_p
155 * - pointer to conf for this user
156 * output - NONE
157 * side effects - Report to user any special flags
158 * they are getting, and set them.
159 */
160 static void
161 report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
162 {
163 /* If this user is being spoofed, tell them so */
164 if (IsConfDoSpoofIp(conf))
165 sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
166
167 /* If this user is in the exception class, set it "E lined" */
168 if (IsConfExemptKline(conf))
169 {
170 AddFlag(source_p, FLAGS_EXEMPTKLINE);
171 sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
172 }
173
174 if (IsConfExemptXline(conf))
175 {
176 AddFlag(source_p, FLAGS_EXEMPTXLINE);
177 sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
178 }
179
180 if (IsConfExemptResv(conf))
181 {
182 AddFlag(source_p, FLAGS_EXEMPTRESV);
183 sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
184 }
185
186 /* If this user is exempt from user limits set it "F lined" */
187 if (IsConfExemptLimits(conf))
188 {
189 AddFlag(source_p, FLAGS_NOLIMIT);
190 sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
191 }
192
193 if (IsConfCanFlood(conf))
194 {
195 AddFlag(source_p, FLAGS_CANFLOOD);
196 sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
197 "protection, aren't you fearsome.");
198 }
199 }
200
201 /* introduce_client()
202 *
203 * inputs - source_p
204 * output - NONE
205 * side effects - This common function introduces a client to the rest
206 * of the net, either from a local client connect or
207 * from a remote connect.
208 */
209 static void
210 introduce_client(struct Client *source_p)
211 {
212 dlink_node *node = NULL;
213 char ubuf[IRCD_BUFSIZE] = "";
214
215 if (MyClient(source_p))
216 send_umode(source_p, source_p, 0, ubuf);
217 else
218 send_umode(NULL, source_p, 0, ubuf);
219
220 watch_check_hash(source_p, RPL_LOGON);
221
222 if (ubuf[0] == '\0')
223 {
224 ubuf[0] = '+';
225 ubuf[1] = '\0';
226 }
227
228 DLINK_FOREACH(node, local_server_list.head)
229 {
230 struct Client *server = node->data;
231
232 if (server == source_p->from)
233 continue;
234
235 if (IsCapable(server, CAPAB_SVS))
236 sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
237 source_p->servptr->id,
238 source_p->name, source_p->hopcount+1,
239 (unsigned long)source_p->tsinfo,
240 ubuf, source_p->username, source_p->host,
241 source_p->sockhost, source_p->id,
242 source_p->account,
243 source_p->info);
244 else
245 sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
246 source_p->servptr->id,
247 source_p->name, source_p->hopcount+1,
248 (unsigned long)source_p->tsinfo,
249 ubuf, source_p->username, source_p->host,
250 source_p->sockhost, source_p->id, source_p->info);
251
252 if (!EmptyString(source_p->certfp))
253 sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
254 }
255 }
256
257 /* user_welcome()
258 *
259 * inputs - client pointer to client to welcome
260 * output - NONE
261 * side effects -
262 */
263 static void
264 user_welcome(struct Client *source_p)
265 {
266 static const char built_date[] = __DATE__ " at " __TIME__;
267
268 #ifdef HAVE_LIBCRYPTO
269 if (HasFlag(source_p, FLAGS_SSL))
270 {
271 AddUMode(source_p, UMODE_SSL);
272 sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
273 ssl_get_cipher(source_p->connection->fd.ssl));
274 }
275 #endif
276
277 sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
278 source_p->name);
279 sendto_one_numeric(source_p, &me, RPL_YOURHOST,
280 listener_get_name(source_p->connection->listener), ircd_version);
281 sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
282 sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
283
284 isupport_show(source_p);
285 show_lusers(source_p);
286 motd_signon(source_p);
287 }
288
289 /* check_xline()
290 *
291 * inputs - pointer to client to test
292 * outupt - 1 if exiting 0 if ok
293 * side effects -
294 */
295 static int
296 check_xline(struct Client *source_p)
297 {
298 struct MaskItem *conf = NULL;
299
300 if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
301 return 0;
302
303 if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
304 {
305 ++conf->count;
306 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
307 "X-line Rejecting [%s] [%s], user %s [%s]",
308 source_p->info, conf->reason,
309 get_client_name(source_p, HIDE_IP),
310 source_p->sockhost);
311
312 ++ServerStats.is_ref;
313 exit_client(source_p, "Bad user info");
314 return 1;
315 }
316
317 return 0;
318 }
319
320 /*! \brief This function is called when both NICK and USER messages
321 * have been accepted for the client, in whatever order. Only
322 * after this, is the UID message propagated.
323 * \param source_p Pointer to given client to introduce
324 */
325 void
326 register_local_user(struct Client *source_p)
327 {
328 const char *id = NULL;
329 const struct MaskItem *conf = NULL;
330
331 assert(source_p == source_p->from);
332 assert(MyConnect(source_p));
333 assert(IsUnknown(source_p));
334 assert(!source_p->connection->registration);
335
336 if (ConfigGeneral.ping_cookie)
337 {
338 if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
339 {
340 do
341 source_p->connection->random_ping = genrand_int32();
342 while (!source_p->connection->random_ping);
343
344 sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
345 AddFlag(source_p, FLAGS_PINGSENT);
346 return;
347 }
348
349 if (!HasFlag(source_p, FLAGS_PING_COOKIE))
350 return;
351 }
352
353 source_p->connection->last_privmsg = CurrentTime;
354 /* Straight up the maximum rate of flooding... */
355 source_p->connection->allow_read = MAX_FLOOD_BURST;
356
357 if (!check_client(source_p))
358 return;
359
360 if (!valid_hostname(source_p->host))
361 {
362 sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
363 "character in your hostname");
364 strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
365 }
366
367 conf = source_p->connection->confs.head->data;
368
369 if (!HasFlag(source_p, FLAGS_GOTID))
370 {
371 char username[USERLEN + 1] = "";
372 unsigned int i = 0;
373
374 if (IsNeedIdentd(conf))
375 {
376 ++ServerStats.is_ref;
377 sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
378 "identd to use this server");
379 exit_client(source_p, "Install identd");
380 return;
381 }
382
383 strlcpy(username, source_p->username, sizeof(username));
384
385 if (!IsNoTilde(conf))
386 source_p->username[i++] = '~';
387
388 for (const char *p = username; *p && i < USERLEN; ++p)
389 source_p->username[i++] = *p;
390
391 source_p->username[i] = '\0';
392 }
393
394 /* Password check */
395 if (!EmptyString(conf->passwd))
396 {
397 if (!match_conf_password(source_p->connection->password, conf))
398 {
399 ++ServerStats.is_ref;
400
401 sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
402 exit_client(source_p, "Bad Password");
403 return;
404 }
405 }
406
407 /*
408 * Don't free source_p->connection->password here - it can be required
409 * by masked /stats I if there are auth {} blocks with need_password = no;
410 * --adx
411 */
412
413 /*
414 * Report if user has &^>= etc. and set flags as needed in source_p
415 */
416 report_and_set_user_flags(source_p, conf);
417
418 if (IsDead(source_p))
419 return;
420
421 /*
422 * Limit clients -
423 * We want to be able to have servers and F-line clients
424 * connect, so save room for "buffer" connections.
425 * Smaller servers may want to decrease this, and it should
426 * probably be just a percentage of the MAXCLIENTS...
427 * -Taner
428 */
429 if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
430 (Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
431 {
432 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
433 "Too many clients, rejecting %s[%s].",
434 source_p->name, source_p->host);
435 ++ServerStats.is_ref;
436 exit_client(source_p, "Sorry, server is full - try later");
437 return;
438 }
439
440 if (!valid_username(source_p->username, 1))
441 {
442 char buf[IRCD_BUFSIZE] = "";
443
444 sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
445 "Invalid username: %s (%s@%s)",
446 source_p->name, source_p->username, source_p->host);
447 ++ServerStats.is_ref;
448 snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
449 exit_client(source_p, buf);
450 return;
451 }
452
453 if (check_xline(source_p))
454 return;
455
456 while (hash_find_id((id = uid_get())))
457 ;
458
459 strlcpy(source_p->id, id, sizeof(source_p->id));
460 hash_add_id(source_p);
461
462 sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
463 "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
464 source_p->name, source_p->username, source_p->host,
465 source_p->sockhost,
466 get_client_class(&source_p->connection->confs),
467 source_p->info, source_p->id);
468
469 if (ConfigGeneral.invisible_on_connect)
470 {
471 AddUMode(source_p, UMODE_INVISIBLE);
472 ++Count.invisi;
473 }
474
475 if (++Count.local > Count.max_loc)
476 {
477 Count.max_loc = Count.local;
478
479 if (!(Count.max_loc % 10))
480 sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
481 "New maximum local client connections: %u",
482 Count.max_loc);
483 }
484
485 if (++Count.total > Count.max_tot)
486 Count.max_tot = Count.total;
487 ++Count.totalrestartcount;
488
489 assert(source_p->servptr == &me);
490 SetClient(source_p);
491 dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
492 dlinkAdd(source_p, &source_p->node, &global_client_list);
493
494 assert(dlinkFind(&unknown_list, source_p));
495
496 dlink_move_node(&source_p->connection->lclient_node,
497 &unknown_list, &local_client_list);
498
499 user_welcome(source_p);
500 userhost_add(source_p->username, source_p->host, 0);
501 AddFlag(source_p, FLAGS_USERHOST);
502
503 introduce_client(source_p);
504 }
505
506 /* register_remote_user()
507 *
508 * inputs - source_p remote or directly connected client
509 * - username to register as
510 * - host name to register as
511 * - server name
512 * output - NONE
513 * side effects - This function is called when a remote client
514 * is introduced by a server.
515 */
516 void
517 register_remote_user(struct Client *source_p)
518 {
519 const struct Client *target_p = NULL;
520
521 if ((target_p = source_p->servptr) && target_p->from != source_p->from)
522 {
523 sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
524 "Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
525 source_p->from->name, source_p->name, source_p->username,
526 source_p->host, source_p->servptr->name,
527 target_p->name, target_p->from->name);
528 sendto_one(source_p->from,
529 ":%s KILL %s :%s (UID from wrong direction (%s != %s))",
530 me.id, source_p->id, me.name, source_p->servptr->name,
531 target_p->from->name);
532
533 AddFlag(source_p, FLAGS_KILLED);
534 exit_client(source_p, "UID server wrong direction");
535 return;
536 }
537
538 /*
539 * If the nick has been introduced by a services server,
540 * make it a service as well.
541 */
542 if (HasFlag(source_p->servptr, FLAGS_SERVICE))
543 AddFlag(source_p, FLAGS_SERVICE);
544
545 if (++Count.total > Count.max_tot)
546 Count.max_tot = Count.total;
547
548 SetClient(source_p);
549 dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
550 dlinkAdd(source_p, &source_p->node, &global_client_list);
551 userhost_add(source_p->username, source_p->host, 1);
552 AddFlag(source_p, FLAGS_USERHOST);
553
554 if (HasFlag(source_p->servptr, FLAGS_EOB))
555 sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
556 "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
557 source_p->servptr->name,
558 source_p->name, source_p->username, source_p->host,
559 source_p->sockhost, source_p->info, source_p->id);
560
561 introduce_client(source_p);
562 }
563
564 /* valid_hostname()
565 *
566 * Inputs - pointer to hostname
567 * Output - 1 if valid, 0 if not
568 * Side effects - check hostname for validity
569 *
570 * NOTE: this doesn't allow a hostname to begin with a dot and
571 * will not allow more dots than chars.
572 */
573 int
574 valid_hostname(const char *hostname)
575 {
576 const char *p = hostname;
577
578 assert(p);
579
580 if (EmptyString(p) || *p == '.' || *p == ':')
581 return 0;
582
583 for (; *p; ++p)
584 if (!IsHostChar(*p))
585 return 0;
586
587 return p - hostname <= HOSTLEN;
588 }
589
590 /* valid_username()
591 *
592 * Inputs - pointer to user
593 * Output - 1 if valid, 0 if not
594 * Side effects - check username for validity
595 *
596 * Absolutely always reject any '*' '!' '?' '@' in an user name
597 * reject any odd control characters names.
598 * Allow '.' in username to allow for "first.last"
599 * style of username
600 */
601 int
602 valid_username(const char *username, const int local)
603 {
604 unsigned int dots = 0;
605 const char *p = username;
606
607 assert(p);
608
609 if (*p == '~')
610 ++p;
611
612 /*
613 * Reject usernames that don't start with an alphanum
614 * i.e. reject jokers who have '-@somehost' or '.@somehost'
615 * or "-hi-@somehost", "h-----@somehost" would still be accepted.
616 */
617 if (!IsAlNum(*p))
618 return 0;
619
620 if (local)
621 {
622 while (*++p)
623 {
624 if (*p == '.' && ConfigGeneral.dots_in_ident)
625 {
626 if (++dots > ConfigGeneral.dots_in_ident)
627 return 0;
628 if (!IsUserChar(*(p + 1)))
629 return 0;
630 }
631 else if (!IsUserChar(*p))
632 return 0;
633 }
634 }
635 else
636 {
637 while (*++p)
638 if (!IsUserChar(*p))
639 return 0;
640 }
641
642 return p - username <= USERLEN;
643 }
644
645 /* clean_nick_name()
646 *
647 * input - nickname
648 * - whether it's a local nick (1) or remote (0)
649 * output - none
650 * side effects - walks through the nickname, returning 0 if erroneous
651 */
652 int
653 valid_nickname(const char *nickname, const int local)
654 {
655 const char *p = nickname;
656
657 assert(p);
658
659 /*
660 * Nicks can't start with a digit or - or be 0 length.
661 */
662 if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
663 return 0;
664
665 for (; *p; ++p)
666 if (!IsNickChar(*p))
667 return 0;
668
669 return p - nickname <= NICKLEN;
670 }
671
672 /* send_umode()
673 * send the MODE string for user (user) to connection client_p
674 * -avalon
675 *
676 * inputs - client_p
677 * - source_p
678 * - int old
679 * - suplied umode_buf
680 * output - NONE
681 */
682 void
683 send_umode(struct Client *client_p, struct Client *source_p,
684 unsigned int old, char *umode_buf)
685 {
686 char *m = umode_buf;
687 int what = 0;
688
689 /*
690 * Build a string in umode_buf to represent the change in the user's
691 * mode between the new (source_p->umodes) and 'old'.
692 */
693 for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
694 {
695 if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
696 {
697 if (what == MODE_DEL)
698 *m++ = tab->c;
699 else
700 {
701 what = MODE_DEL;
702 *m++ = '-';
703 *m++ = tab->c;
704 }
705 }
706 else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
707 {
708 if (what == MODE_ADD)
709 *m++ = tab->c;
710 else
711 {
712 what = MODE_ADD;
713 *m++ = '+';
714 *m++ = tab->c;
715 }
716 }
717 }
718
719 *m = '\0';
720
721 if (*umode_buf && client_p)
722 sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
723 client_p->name, client_p->username,
724 client_p->host, client_p->name, umode_buf);
725 }
726
727 /* send_umode_out()
728 *
729 * inputs -
730 * output - NONE
731 * side effects - Only send ubuf out to servers that know about this client
732 */
733 void
734 send_umode_out(struct Client *source_p, unsigned int old)
735 {
736 char buf[IRCD_BUFSIZE] = "";
737
738 send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
739
740 if (buf[0])
741 sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
742 source_p->id, source_p->id, buf);
743 }
744
745 void
746 user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
747 {
748 dlink_node *node = NULL;
749
750 if (!strcmp(target_p->host, hostname))
751 return;
752
753 switch (what)
754 {
755 case MODE_ADD:
756 AddUMode(target_p, UMODE_HIDDENHOST);
757 break;
758 case MODE_DEL:
759 DelUMode(target_p, UMODE_HIDDENHOST);
760 break;
761 default: return;
762 }
763
764 if (ConfigGeneral.cycle_on_host_change)
765 sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
766 target_p->name, target_p->username, target_p->host);
767
768 if (HasFlag(target_p, FLAGS_USERHOST))
769 userhost_del(target_p->username, target_p->host, !MyConnect(target_p));
770
771 strlcpy(target_p->host, hostname, sizeof(target_p->host));
772
773 userhost_add(target_p->username, target_p->host, !MyConnect(target_p));
774 AddFlag(target_p, FLAGS_USERHOST);
775
776 if (MyConnect(target_p))
777 {
778 sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
779 clear_ban_cache_client(target_p);
780 }
781
782 if (!ConfigGeneral.cycle_on_host_change)
783 return;
784
785 DLINK_FOREACH(node, target_p->channel.head)
786 {
787 char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
788 char *p = modebuf;
789 int len = 0;
790 const struct Membership *member = node->data;
791
792 if (has_member_flags(member, CHFL_CHANOP))
793 {
794 *p++ = 'o';
795 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
796 }
797
798 if (has_member_flags(member, CHFL_HALFOP))
799 {
800 *p++ = 'h';
801 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
802 }
803
804 if (has_member_flags(member, CHFL_VOICE))
805 {
806 *p++ = 'v';
807 len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
808 }
809
810 *p = '\0';
811
812
813 sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
814 target_p->name, target_p->username,
815 target_p->host, member->chptr->name,
816 (!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
817 target_p->info);
818 sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
819 target_p->name, target_p->username,
820 target_p->host, member->chptr->name);
821
822 if (nickbuf[0])
823 sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
824 target_p->servptr->name, member->chptr->name,
825 modebuf, nickbuf);
826
827 }
828
829 if (target_p->away[0])
830 sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
831 ":%s!%s@%s AWAY :%s",
832 target_p->name, target_p->username,
833 target_p->host, target_p->away);
834 }

Properties

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