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root/svn/ircd-hybrid-8/src/client.c
Revision: 876
Committed: Wed Oct 24 21:51:21 2007 UTC (16 years, 5 months ago) by michael
Content type: text/x-csrc
Original Path: ircd-hybrid-7.2/src/client.c
File size: 43153 byte(s)
Log Message:
Backported WATCH

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * client.c: Controls clients.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #include "stdinc.h"
26 #include "tools.h"
27 #include "client.h"
28 #include "channel_mode.h"
29 #include "common.h"
30 #include "event.h"
31 #include "fdlist.h"
32 #include "hash.h"
33 #include "irc_string.h"
34 #include "sprintf_irc.h"
35 #include "ircd.h"
36 #include "list.h"
37 #include "s_gline.h"
38 #include "numeric.h"
39 #include "packet.h"
40 #include "s_auth.h"
41 #include "s_bsd.h"
42 #include "s_conf.h"
43 #include "s_log.h"
44 #include "s_misc.h"
45 #include "s_serv.h"
46 #include "send.h"
47 #include "whowas.h"
48 #include "s_user.h"
49 #include "dbuf.h"
50 #include "memory.h"
51 #include "hostmask.h"
52 #include "balloc.h"
53 #include "listener.h"
54 #include "irc_res.h"
55 #include "userhost.h"
56 #include "watch.h"
57
58 dlink_list listing_client_list = { NULL, NULL, 0 };
59 /* Pointer to beginning of Client list */
60 dlink_list global_client_list = {NULL, NULL, 0};
61 /* unknown/client pointer lists */
62 dlink_list unknown_list = {NULL, NULL, 0};
63 dlink_list local_client_list = {NULL, NULL, 0};
64 dlink_list serv_list = {NULL, NULL, 0};
65 dlink_list global_serv_list = {NULL, NULL, 0};
66 dlink_list oper_list = {NULL, NULL, 0};
67
68 static EVH check_pings;
69
70 static BlockHeap *client_heap = NULL;
71 static BlockHeap *lclient_heap = NULL;
72
73 static dlink_list dead_list = { NULL, NULL, 0};
74 static dlink_list abort_list = { NULL, NULL, 0};
75
76 static dlink_node *eac_next; /* next aborted client to exit */
77
78 static void check_pings_list(dlink_list *);
79 static void check_unknowns_list(void);
80 static void ban_them(struct Client *client_p, struct ConfItem *conf);
81
82
83 /* init_client()
84 *
85 * inputs - NONE
86 * output - NONE
87 * side effects - initialize client free memory
88 */
89 void
90 init_client(void)
91 {
92 /* start off the check ping event .. -- adrian
93 * Every 30 seconds is plenty -- db
94 */
95 client_heap = BlockHeapCreate("client", sizeof(struct Client), CLIENT_HEAP_SIZE);
96 lclient_heap = BlockHeapCreate("local client", sizeof(struct LocalUser), LCLIENT_HEAP_SIZE);
97 eventAdd("check_pings", check_pings, NULL, 5);
98 }
99
100 /*
101 * make_client - create a new Client struct and set it to initial state.
102 *
103 * from == NULL, create local client (a client connected
104 * to a socket).
105 * WARNING: This leaves the client in a dangerous
106 * state where fd == -1, dead flag is not set and
107 * the client is on the unknown_list; therefore,
108 * the first thing to do after calling make_client(NULL)
109 * is setting fd to something reasonable. -adx
110 *
111 * from, create remote client (behind a socket
112 * associated with the client defined by
113 * 'from'). ('from' is a local client!!).
114 */
115 struct Client *
116 make_client(struct Client *from)
117 {
118 struct Client *client_p = BlockHeapAlloc(client_heap);
119
120 if (from == NULL)
121 {
122 client_p->from = client_p; /* 'from' of local client is self! */
123 client_p->since = client_p->lasttime = client_p->firsttime = CurrentTime;
124
125 client_p->localClient = BlockHeapAlloc(lclient_heap);
126 client_p->localClient->registration = REG_INIT;
127 /* as good a place as any... */
128 dlinkAdd(client_p, make_dlink_node(), &unknown_list);
129 }
130 else
131 client_p->from = from; /* 'from' of local client is self! */
132
133 client_p->hnext = client_p;
134 client_p->status = STAT_UNKNOWN;
135 strcpy(client_p->username, "unknown");
136
137 return client_p;
138 }
139
140 /*
141 * free_client
142 *
143 * inputs - pointer to client
144 * output - NONE
145 * side effects - client pointed to has its memory freed
146 */
147 static void
148 free_client(struct Client *client_p)
149 {
150 assert(client_p != NULL);
151 assert(client_p != &me);
152 assert(client_p->hnext == client_p);
153 assert(client_p->channel.head == NULL);
154 assert(dlink_list_length(&client_p->channel) == 0);
155
156 MyFree(client_p->away);
157 MyFree(client_p->serv);
158
159 if (MyConnect(client_p))
160 {
161 assert(client_p->localClient->invited.head == NULL);
162 assert(dlink_list_length(&client_p->localClient->invited) == 0);
163 assert(IsClosing(client_p) && IsDead(client_p));
164
165 MyFree(client_p->localClient->response);
166 MyFree(client_p->localClient->auth_oper);
167
168 /*
169 * clean up extra sockets from P-lines which have been discarded.
170 */
171 if (client_p->localClient->listener)
172 {
173 assert(0 < client_p->localClient->listener->ref_count);
174 if (0 == --client_p->localClient->listener->ref_count &&
175 !client_p->localClient->listener->active)
176 free_listener(client_p->localClient->listener);
177 }
178
179 dbuf_clear(&client_p->localClient->buf_recvq);
180 dbuf_clear(&client_p->localClient->buf_sendq);
181
182 BlockHeapFree(lclient_heap, client_p->localClient);
183 }
184
185 BlockHeapFree(client_heap, client_p);
186 }
187
188 /*
189 * check_pings - go through the local client list and check activity
190 * kill off stuff that should die
191 *
192 * inputs - NOT USED (from event)
193 * output - next time_t when check_pings() should be called again
194 * side effects -
195 *
196 *
197 * A PING can be sent to clients as necessary.
198 *
199 * Client/Server ping outs are handled.
200 */
201
202 /*
203 * Addon from adrian. We used to call this after nextping seconds,
204 * however I've changed it to run once a second. This is only for
205 * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
206 * run once a second makes life a lot easier - when a new client connects
207 * and they need a ping in 4 seconds, if nextping was set to 20 seconds
208 * we end up waiting 20 seconds. This is stupid. :-)
209 * I will optimise (hah!) check_pings() once I've finished working on
210 * tidying up other network IO evilnesses.
211 * -- adrian
212 */
213
214 static void
215 check_pings(void *notused)
216 {
217 check_pings_list(&local_client_list);
218 check_pings_list(&serv_list);
219 check_unknowns_list();
220 }
221
222 /* check_pings_list()
223 *
224 * inputs - pointer to list to check
225 * output - NONE
226 * side effects -
227 */
228 static void
229 check_pings_list(dlink_list *list)
230 {
231 char scratch[32]; /* way too generous but... */
232 struct Client *client_p; /* current local client_p being examined */
233 int ping, pingwarn; /* ping time value from client */
234 dlink_node *ptr, *next_ptr;
235
236 DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
237 {
238 client_p = ptr->data;
239
240 /*
241 ** Note: No need to notify opers here. It's
242 ** already done when "FLAGS_DEADSOCKET" is set.
243 */
244 if (IsDead(client_p))
245 {
246 /* Ignore it, its been exited already */
247 continue;
248 }
249
250 if (client_p->localClient->reject_delay > 0)
251 {
252 if (client_p->localClient->reject_delay <= CurrentTime)
253 exit_client(client_p, &me, "Rejected");
254 continue;
255 }
256
257 if (GlobalSetOptions.idletime && IsClient(client_p))
258 {
259 if (!IsExemptKline(client_p) && !IsOper(client_p) &&
260 !IsIdlelined(client_p) &&
261 ((CurrentTime - client_p->localClient->last) > GlobalSetOptions.idletime))
262 {
263 struct ConfItem *conf;
264 struct AccessItem *aconf;
265
266 conf = make_conf_item(KLINE_TYPE);
267 aconf = (struct AccessItem *)map_to_conf(conf);
268
269 DupString(aconf->host, client_p->host);
270 DupString(aconf->reason, "idle exceeder");
271 DupString(aconf->user, client_p->username);
272 aconf->hold = CurrentTime + 60;
273 add_temp_line(conf);
274
275 sendto_realops_flags(UMODE_ALL, L_ALL,
276 "Idle time limit exceeded for %s - temp k-lining",
277 get_client_name(client_p, HIDE_IP));
278 exit_client(client_p, &me, aconf->reason);
279 continue;
280 }
281 }
282
283 if (!IsRegistered(client_p))
284 ping = CONNECTTIMEOUT, pingwarn = 0;
285 else
286 ping = get_client_ping(client_p, &pingwarn);
287
288 if (ping < CurrentTime - client_p->lasttime)
289 {
290 if (!IsPingSent(client_p))
291 {
292 /*
293 * if we havent PINGed the connection and we havent
294 * heard from it in a while, PING it to make sure
295 * it is still alive.
296 */
297 SetPingSent(client_p);
298 ClearPingWarning(client_p);
299 client_p->lasttime = CurrentTime - ping;
300 sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
301 }
302 else
303 {
304 if (CurrentTime - client_p->lasttime >= 2 * ping)
305 {
306 /*
307 * If the client/server hasn't talked to us in 2*ping seconds
308 * and it has a ping time, then close its connection.
309 */
310 if (IsServer(client_p) || IsHandshake(client_p))
311 {
312 sendto_realops_flags(UMODE_ALL, L_ADMIN,
313 "No response from %s, closing link",
314 get_client_name(client_p, HIDE_IP));
315 sendto_realops_flags(UMODE_ALL, L_OPER,
316 "No response from %s, closing link",
317 get_client_name(client_p, MASK_IP));
318 ilog(L_NOTICE, "No response from %s, closing link",
319 get_client_name(client_p, HIDE_IP));
320 }
321
322 ircsprintf(scratch, "Ping timeout: %d seconds",
323 (int)(CurrentTime - client_p->lasttime));
324 exit_client(client_p, &me, scratch);
325 }
326 else if (!IsPingWarning(client_p) && pingwarn > 0 &&
327 (IsServer(client_p) || IsHandshake(client_p)) &&
328 CurrentTime - client_p->lasttime >= ping + pingwarn)
329 {
330 /*
331 * If the server hasn't replied in pingwarn seconds after sending
332 * the PING, notify the opers so that they are aware of the problem.
333 */
334 SetPingWarning(client_p);
335 sendto_realops_flags(UMODE_ALL, L_ADMIN,
336 "Warning, no response from %s in %d seconds",
337 get_client_name(client_p, HIDE_IP), pingwarn);
338 sendto_realops_flags(UMODE_ALL, L_OPER,
339 "Warning, no response from %s in %d seconds",
340 get_client_name(client_p, MASK_IP), pingwarn);
341 ilog(L_NOTICE, "No response from %s in %d seconds",
342 get_client_name(client_p, HIDE_IP), pingwarn);
343 }
344 }
345 }
346 }
347 }
348
349 /* check_unknowns_list()
350 *
351 * inputs - pointer to list of unknown clients
352 * output - NONE
353 * side effects - unknown clients get marked for termination after n seconds
354 */
355 static void
356 check_unknowns_list(void)
357 {
358 dlink_node *ptr, *next_ptr;
359
360 DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
361 {
362 struct Client *client_p = ptr->data;
363
364 if (client_p->localClient->reject_delay > 0)
365 {
366 if (client_p->localClient->reject_delay <= CurrentTime)
367 exit_client(client_p, &me, "Rejected");
368 continue;
369 }
370
371 /*
372 * Check UNKNOWN connections - if they have been in this state
373 * for > 30s, close them.
374 */
375 if (IsAuthFinished(client_p) && (CurrentTime - client_p->firsttime) > 30)
376 exit_client(client_p, &me, "Registration timed out");
377 }
378 }
379
380 /* check_conf_klines()
381 *
382 * inputs - NONE
383 * output - NONE
384 * side effects - Check all connections for a pending kline against the
385 * client, exit the client if a kline matches.
386 */
387 void
388 check_conf_klines(void)
389 {
390 struct Client *client_p = NULL; /* current local client_p being examined */
391 struct AccessItem *aconf = NULL;
392 struct ConfItem *conf = NULL;
393 dlink_node *ptr, *next_ptr;
394
395 DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
396 {
397 client_p = ptr->data;
398
399 /* If a client is already being exited
400 */
401 if (IsDead(client_p) || !IsClient(client_p))
402 continue;
403
404 /* if there is a returned struct ConfItem then kill it */
405 if ((aconf = find_dline_conf(&client_p->localClient->ip,
406 client_p->localClient->aftype)) != NULL)
407 {
408 if (aconf->status & CONF_EXEMPTDLINE)
409 continue;
410
411 conf = unmap_conf_item(aconf);
412 ban_them(client_p, conf);
413 continue; /* and go examine next fd/client_p */
414 }
415
416 if (ConfigFileEntry.glines && (aconf = find_gline(client_p)))
417 {
418 if (IsExemptKline(client_p) ||
419 IsExemptGline(client_p))
420 {
421 sendto_realops_flags(UMODE_ALL, L_ALL,
422 "GLINE over-ruled for %s, client is %sline_exempt",
423 get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
424 continue;
425 }
426
427 conf = unmap_conf_item(aconf);
428 ban_them(client_p, conf);
429 /* and go examine next fd/client_p */
430 continue;
431 }
432
433 if ((aconf = find_kill(client_p)) != NULL)
434 {
435
436 /* if there is a returned struct AccessItem.. then kill it */
437 if (IsExemptKline(client_p))
438 {
439 sendto_realops_flags(UMODE_ALL, L_ALL,
440 "KLINE over-ruled for %s, client is kline_exempt",
441 get_client_name(client_p, HIDE_IP));
442 continue;
443 }
444
445 conf = unmap_conf_item(aconf);
446 ban_them(client_p, conf);
447 continue;
448 }
449
450 /* if there is a returned struct MatchItem then kill it */
451 if ((conf = find_matching_name_conf(XLINE_TYPE, client_p->info,
452 NULL, NULL, 0)) != NULL ||
453 (conf = find_matching_name_conf(RXLINE_TYPE, client_p->info,
454 NULL, NULL, 0)) != NULL)
455 {
456 ban_them(client_p, conf);
457 continue;
458 }
459 }
460
461 /* also check the unknowns list for new dlines */
462 DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
463 {
464 client_p = ptr->data;
465
466 if ((aconf = find_dline_conf(&client_p->localClient->ip,
467 client_p->localClient->aftype)))
468 {
469 if (aconf->status & CONF_EXEMPTDLINE)
470 continue;
471
472 exit_client(client_p, &me, "D-lined");
473 }
474 }
475 }
476
477 /*
478 * ban_them
479 *
480 * inputs - pointer to client to ban
481 * - pointer to ConfItem
482 * output - NONE
483 * side effects - given client_p is banned
484 */
485 static void
486 ban_them(struct Client *client_p, struct ConfItem *conf)
487 {
488 const char *user_reason = NULL; /* What is sent to user */
489 const char *channel_reason = NULL; /* What is sent to channel */
490 struct AccessItem *aconf = NULL;
491 struct MatchItem *xconf = NULL;
492 const char *type_string = NULL;
493 const char dline_string[] = "D-line";
494 const char kline_string[] = "K-line";
495 const char gline_string[] = "G-line";
496 const char xline_string[] = "X-line";
497
498 switch (conf->type)
499 {
500 case RKLINE_TYPE:
501 case KLINE_TYPE:
502 type_string = kline_string;
503 aconf = map_to_conf(conf);
504 break;
505 case DLINE_TYPE:
506 type_string = dline_string;
507 aconf = map_to_conf(conf);
508 break;
509 case GLINE_TYPE:
510 type_string = gline_string;
511 aconf = map_to_conf(conf);
512 break;
513 case RXLINE_TYPE:
514 case XLINE_TYPE:
515 type_string = xline_string;
516 xconf = map_to_conf(conf);
517 ++xconf->count;
518 break;
519 default:
520 assert(0);
521 break;
522 }
523
524 if (ConfigFileEntry.kline_with_reason)
525 {
526 if (aconf != NULL)
527 user_reason = aconf->reason ? aconf->reason : type_string;
528 if (xconf != NULL)
529 user_reason = xconf->reason ? xconf->reason : type_string;
530 }
531 else
532 user_reason = type_string;
533
534 if (ConfigFileEntry.kline_reason != NULL)
535 channel_reason = ConfigFileEntry.kline_reason;
536 else
537 channel_reason = user_reason;
538
539 sendto_realops_flags(UMODE_ALL, L_ALL, "%s active for %s",
540 type_string, get_client_name(client_p, HIDE_IP));
541
542 if (IsClient(client_p))
543 sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
544 me.name, client_p->name, user_reason);
545
546 exit_client(client_p, &me, channel_reason);
547 }
548
549 /* update_client_exit_stats()
550 *
551 * input - pointer to client
552 * output - NONE
553 * side effects -
554 */
555 static void
556 update_client_exit_stats(struct Client *client_p)
557 {
558 if (IsServer(client_p))
559 {
560 sendto_realops_flags(UMODE_EXTERNAL, L_ALL,
561 "Server %s split from %s",
562 client_p->name, client_p->servptr->name);
563 }
564 else if (IsClient(client_p))
565 {
566 --Count.total;
567 if (IsOper(client_p))
568 --Count.oper;
569 if (IsInvisible(client_p))
570 --Count.invisi;
571 }
572
573 if (splitchecking && !splitmode)
574 check_splitmode(NULL);
575 }
576
577 /* find_person()
578 *
579 * inputs - pointer to name
580 * output - return client pointer
581 * side effects - find person by (nick)name
582 */
583 /* XXX - ugly wrapper */
584 struct Client *
585 find_person(const struct Client *client_p, const char *name)
586 {
587 struct Client *c2ptr;
588
589 if (IsDigit(*name))
590 {
591 if ((c2ptr = hash_find_id(name)) != NULL)
592 {
593 /* invisible users shall not be found by UID guessing */
594 if (IsInvisible(c2ptr) && !IsServer(client_p))
595 c2ptr = NULL;
596 }
597 }
598 else
599 c2ptr = find_client(name);
600
601 return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
602 }
603
604 /*
605 * find_chasing - find the client structure for a nick name (user)
606 * using history mechanism if necessary. If the client is not found,
607 * an error message (NO SUCH NICK) is generated. If the client was found
608 * through the history, chasing will be 1 and otherwise 0.
609 */
610 struct Client *
611 find_chasing(struct Client *client_p, struct Client *source_p, const char *user, int *chasing)
612 {
613 struct Client *who = find_person(client_p, user);
614
615 if (chasing)
616 *chasing = 0;
617
618 if (who)
619 return(who);
620
621 if (IsDigit(*user))
622 return(NULL);
623
624 if ((who = get_history(user,
625 (time_t)ConfigFileEntry.kill_chase_time_limit))
626 == NULL)
627 {
628 sendto_one(source_p, form_str(ERR_NOSUCHNICK),
629 me.name, source_p->name, user);
630 return(NULL);
631 }
632
633 if (chasing)
634 *chasing = 1;
635
636 return(who);
637 }
638
639 /*
640 * get_client_name - Return the name of the client
641 * for various tracking and
642 * admin purposes. The main purpose of this function is to
643 * return the "socket host" name of the client, if that
644 * differs from the advertised name (other than case).
645 * But, this can be used to any client structure.
646 *
647 * NOTE 1:
648 * Watch out the allocation of "nbuf", if either source_p->name
649 * or source_p->sockhost gets changed into pointers instead of
650 * directly allocated within the structure...
651 *
652 * NOTE 2:
653 * Function return either a pointer to the structure (source_p) or
654 * to internal buffer (nbuf). *NEVER* use the returned pointer
655 * to modify what it points!!!
656 */
657 const char *
658 get_client_name(struct Client *client, int showip)
659 {
660 static char nbuf[HOSTLEN * 2 + USERLEN + 5];
661
662 assert(client != NULL);
663
664 if (irccmp(client->name, client->host) == 0)
665 return(client->name);
666
667 if (ConfigServerHide.hide_server_ips)
668 if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
669 showip = MASK_IP;
670
671 if (ConfigFileEntry.hide_spoof_ips)
672 if (showip == SHOW_IP && IsIPSpoof(client))
673 showip = MASK_IP;
674
675 /* And finally, let's get the host information, ip or name */
676 switch (showip)
677 {
678 case SHOW_IP:
679 if (MyConnect(client))
680 {
681 ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
682 client->sockhost);
683 break;
684 }
685 case MASK_IP:
686 ircsprintf(nbuf, "%s[%s@255.255.255.255]", client->name,
687 client->username);
688 break;
689 default:
690 ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
691 client->host);
692 }
693
694 return(nbuf);
695 }
696
697 void
698 free_exited_clients(void)
699 {
700 dlink_node *ptr, *next;
701 struct Client *target_p;
702
703 DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
704 {
705 target_p = ptr->data;
706
707 if (ptr->data == NULL)
708 {
709 sendto_realops_flags(UMODE_ALL, L_ALL,
710 "Warning: null client on dead_list!");
711 dlinkDelete(ptr, &dead_list);
712 free_dlink_node(ptr);
713 continue;
714 }
715
716 free_client(target_p);
717 dlinkDelete(ptr, &dead_list);
718 free_dlink_node(ptr);
719 }
720 }
721
722 /*
723 * Exit one client, local or remote. Assuming all dependents have
724 * been already removed, and socket closed for local client.
725 *
726 * The only messages generated are QUITs on channels.
727 */
728 static void
729 exit_one_client(struct Client *source_p, const char *quitmsg)
730 {
731 dlink_node *lp = NULL, *next_lp = NULL;
732
733 assert(!IsMe(source_p));
734
735 if (IsServer(source_p))
736 {
737 dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers);
738
739 if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
740 free_dlink_node(lp);
741
742 if (!MyConnect(source_p))
743 {
744 source_p->from->serv->dep_servers--;
745 assert(source_p->from->serv->dep_servers > 0);
746 }
747 }
748 else if (IsClient(source_p))
749 {
750 if (source_p->servptr->serv != NULL)
751 dlinkDelete(&source_p->lnode, &source_p->servptr->serv->users);
752
753 /* If a person is on a channel, send a QUIT notice
754 ** to every client (person) on the same channel (so
755 ** that the client can show the "**signoff" message).
756 ** (Note: The notice is to the local clients *only*)
757 */
758 sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
759 source_p->name, source_p->username,
760 source_p->host, quitmsg);
761 DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
762 remove_user_from_channel(lp->data);
763
764 /* Clean up allow lists */
765 del_all_accepts(source_p);
766 add_history(source_p, 0);
767 off_history(source_p);
768
769 watch_check_hash(source_p, RPL_LOGOFF);
770
771 if (!MyConnect(source_p))
772 {
773 source_p->from->serv->dep_users--;
774 assert(source_p->from->serv->dep_users >= 0);
775 }
776 else
777 {
778 /* Clean up invitefield */
779 DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
780 del_invite(lp->data, source_p);
781 }
782 }
783
784 /* Remove source_p from the client lists */
785 if (HasID(source_p))
786 hash_del_id(source_p);
787 if (source_p->name[0])
788 hash_del_client(source_p);
789
790 if (IsUserHostIp(source_p))
791 delete_user_host(source_p->username, source_p->host, !MyConnect(source_p));
792
793 /* remove from global client list
794 * NOTE: source_p->node.next cannot be NULL if the client is added
795 * to global_client_list (there is always &me at its end)
796 */
797 if (source_p != NULL && source_p->node.next != NULL)
798 dlinkDelete(&source_p->node, &global_client_list);
799
800 update_client_exit_stats(source_p);
801
802 /* Check to see if the client isn't already on the dead list */
803 assert(dlinkFind(&dead_list, source_p) == NULL);
804
805 /* add to dead client dlist */
806 SetDead(source_p);
807 dlinkAdd(source_p, make_dlink_node(), &dead_list);
808 }
809
810 /* Recursively send QUITs and SQUITs for source_p and all its dependent clients
811 * and servers to those servers that need them. A server needs the client
812 * QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
813 * isn't getting the SQUIT because of @#(*&@)# hostmasking. With TS4, once
814 * a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
815 * on that one -orabidoo
816 *
817 * This is now called on each local server -adx
818 */
819 static void
820 recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
821 struct Client *from, struct Client *to, const char *comment,
822 const char *splitstr, const char *myname)
823 {
824 dlink_node *ptr, *next;
825 struct Client *target_p;
826 int hidden = match(myname, source_p->name);
827
828 assert(to != source_p); /* should be already removed from serv_list */
829
830 /* If this server can handle quit storm (QS) removal
831 * of dependents, just send the SQUIT
832 *
833 * Always check *all* dependent servers if some of them are
834 * hidden behind fakename. If so, send out the QUITs -adx
835 */
836 if (hidden || !IsCapable(to, CAP_QS))
837 DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
838 {
839 target_p = ptr->data;
840 sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
841 }
842
843 DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
844 recurse_send_quits(original_source_p, ptr->data, from, to,
845 comment, splitstr, myname);
846
847 if (!hidden && ((source_p == original_source_p && to != from) ||
848 !IsCapable(to, CAP_QS)))
849 {
850 /* don't use a prefix here - we have to be 100% sure the message
851 * will be accepted without Unknown prefix etc.. */
852 sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
853 }
854 }
855
856 /*
857 * Remove all clients that depend on source_p; assumes all (S)QUITs have
858 * already been sent. we make sure to exit a server's dependent clients
859 * and servers before the server itself; exit_one_client takes care of
860 * actually removing things off llists. tweaked from +CSr31 -orabidoo
861 */
862 static void
863 recurse_remove_clients(struct Client *source_p, const char *quitmsg)
864 {
865 dlink_node *ptr, *next;
866
867 DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
868 exit_one_client(ptr->data, quitmsg);
869
870 DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
871 {
872 recurse_remove_clients(ptr->data, quitmsg);
873 exit_one_client(ptr->data, quitmsg);
874 }
875
876 assert(source_p->serv->dep_servers == 1);
877 assert(source_p->serv->dep_users == 0);
878 }
879
880 /*
881 ** Remove *everything* that depends on source_p, from all lists, and sending
882 ** all necessary QUITs and SQUITs. source_p itself is still on the lists,
883 ** and its SQUITs have been sent except for the upstream one -orabidoo
884 */
885 static void
886 remove_dependents(struct Client *source_p, struct Client *from,
887 const char *comment, const char *splitstr)
888 {
889 struct Client *to;
890 struct ConfItem *conf;
891 static char myname[HOSTLEN+1];
892 dlink_node *ptr;
893
894 DLINK_FOREACH(ptr, serv_list.head)
895 {
896 to = ptr->data;
897
898 if ((conf = to->serv->sconf) != NULL)
899 strlcpy(myname, my_name_for_link(conf), sizeof(myname));
900 else
901 strlcpy(myname, me.name, sizeof(myname));
902 recurse_send_quits(source_p, source_p, from, to,
903 comment, splitstr, myname);
904 }
905
906 recurse_remove_clients(source_p, splitstr);
907 }
908
909 /*
910 * exit_client - exit a client of any type. Generally, you can use
911 * this on any struct Client, regardless of its state.
912 *
913 * Note, you shouldn't exit remote _users_ without first doing
914 * SetKilled and propagating a kill or similar message. However,
915 * it is perfectly correct to call exit_client to force a _server_
916 * quit (either local or remote one).
917 *
918 * inputs: - a client pointer that is going to be exited
919 * - for servers, the second argument is a pointer to who
920 * is firing the server. This side won't get any generated
921 * messages. NEVER NULL!
922 * output: none
923 * side effects: the client is delinked from all lists, disconnected,
924 * and the rest of IRC network is notified of the exit.
925 * Client memory is scheduled to be freed
926 */
927 void
928 exit_client(struct Client *source_p, struct Client *from, const char *comment)
929 {
930 dlink_node *m;
931
932 if (MyConnect(source_p))
933 {
934 /* DO NOT REMOVE. exit_client can be called twice after a failed
935 * read/write.
936 */
937 if (IsClosing(source_p))
938 return;
939
940 SetClosing(source_p);
941
942 if (IsIpHash(source_p))
943 remove_one_ip(&source_p->localClient->ip);
944
945 delete_auth(source_p);
946
947 /* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
948 * STAT_HANDSHAKE or STAT_UNKNOWN
949 * all of which are lumped together into unknown_list
950 *
951 * In all above cases IsRegistered() will not be true.
952 */
953 if (!IsRegistered(source_p))
954 {
955 if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
956 free_dlink_node(m);
957 }
958 else if (IsClient(source_p))
959 {
960 Count.local--;
961
962 if (IsOper(source_p))
963 {
964 if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
965 free_dlink_node(m);
966 }
967
968 dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
969 if (source_p->localClient->list_task != NULL)
970 free_list_task(source_p->localClient->list_task, source_p);
971
972 watch_del_watch_list(source_p);
973 sendto_realops_flags(UMODE_CCONN, L_ALL, "Client exiting: %s (%s@%s) [%s] [%s]",
974 source_p->name, source_p->username, source_p->host, comment,
975 ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
976 "255.255.255.255" : source_p->sockhost);
977 sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, "CLIEXIT: %s %s %s %s 0 %s",
978 source_p->name,
979 source_p->username,
980 source_p->host,
981
982 ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
983 "255.255.255.255" : source_p->sockhost,
984 comment);
985 }
986
987 /* As soon as a client is known to be a server of some sort
988 * it has to be put on the serv_list, or SJOIN's to this new server
989 * from the connect burst will not be seen.
990 */
991 if (IsServer(source_p) || IsConnecting(source_p) ||
992 IsHandshake(source_p))
993 {
994 if ((m = dlinkFindDelete(&serv_list, source_p)) != NULL)
995 {
996 free_dlink_node(m);
997 unset_chcap_usage_counts(source_p);
998 }
999
1000 if (IsServer(source_p))
1001 {
1002 Count.myserver--;
1003 if (ServerInfo.hub)
1004 remove_lazylink_flags(source_p->localClient->serverMask);
1005 else
1006 uplink = NULL;
1007 }
1008 }
1009
1010 log_user_exit(source_p);
1011
1012 if (!IsDead(source_p))
1013 {
1014 if (IsServer(source_p))
1015 {
1016 /* for them, we are exiting the network */
1017 sendto_one(source_p, ":%s SQUIT %s :%s",
1018 ID_or_name(from, source_p), me.name, comment);
1019 }
1020
1021 sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
1022 source_p->host, comment);
1023 }
1024
1025 /*
1026 ** Currently only server connections can have
1027 ** depending remote clients here, but it does no
1028 ** harm to check for all local clients. In
1029 ** future some other clients than servers might
1030 ** have remotes too...
1031 **
1032 ** Close the Client connection first and mark it
1033 ** so that no messages are attempted to send to it.
1034 ** Remember it makes source_p->from == NULL.
1035 */
1036 close_connection(source_p);
1037 }
1038
1039 if (IsServer(source_p))
1040 {
1041 char splitstr[HOSTLEN + HOSTLEN + 2];
1042
1043 /* This shouldn't ever happen */
1044 assert(source_p->serv != NULL && source_p->servptr != NULL);
1045
1046 if (ConfigServerHide.hide_servers)
1047 /* set netsplit message to "*.net *.split" to still show
1048 * that its a split, but hide the servers splitting
1049 */
1050 strcpy(splitstr, "*.net *.split");
1051 else
1052 snprintf(splitstr, sizeof(splitstr), "%s %s",
1053 source_p->servptr->name, source_p->name);
1054
1055 remove_dependents(source_p, from->from, comment, splitstr);
1056
1057 if (source_p->servptr == &me)
1058 {
1059 sendto_realops_flags(UMODE_ALL, L_ALL,
1060 "%s was connected for %d seconds. %llu/%llu sendK/recvK.",
1061 source_p->name, (int)(CurrentTime - source_p->firsttime),
1062 source_p->localClient->send.bytes >> 10,
1063 source_p->localClient->recv.bytes >> 10);
1064 ilog(L_NOTICE, "%s was connected for %d seconds. %llu/%llu sendK/recvK.",
1065 source_p->name, (int)(CurrentTime - source_p->firsttime),
1066 source_p->localClient->send.bytes >> 10,
1067 source_p->localClient->recv.bytes >> 10);
1068 }
1069 }
1070 else if (IsClient(source_p) && !IsKilled(source_p))
1071 {
1072 sendto_server(from->from, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
1073 ":%s QUIT :%s", ID(source_p), comment);
1074 sendto_server(from->from, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
1075 ":%s QUIT :%s", source_p->name, comment);
1076 }
1077
1078 /* The client *better* be off all of the lists */
1079 assert(dlinkFind(&unknown_list, source_p) == NULL);
1080 assert(dlinkFind(&local_client_list, source_p) == NULL);
1081 assert(dlinkFind(&serv_list, source_p) == NULL);
1082 assert(dlinkFind(&oper_list, source_p) == NULL);
1083
1084 exit_one_client(source_p, comment);
1085 }
1086
1087 /*
1088 * dead_link_on_write - report a write error if not already dead,
1089 * mark it as dead then exit it
1090 */
1091 void
1092 dead_link_on_write(struct Client *client_p, int ierrno)
1093 {
1094 dlink_node *ptr;
1095
1096 if (IsDefunct(client_p))
1097 return;
1098
1099 dbuf_clear(&client_p->localClient->buf_recvq);
1100 dbuf_clear(&client_p->localClient->buf_sendq);
1101
1102 assert(dlinkFind(&abort_list, client_p) == NULL);
1103 ptr = make_dlink_node();
1104 /* don't let exit_aborted_clients() finish yet */
1105 dlinkAddTail(client_p, ptr, &abort_list);
1106
1107 if (eac_next == NULL)
1108 eac_next = ptr;
1109
1110 SetDead(client_p); /* You are dead my friend */
1111 }
1112
1113 /*
1114 * dead_link_on_read - report a read error if not already dead,
1115 * mark it as dead then exit it
1116 */
1117 void
1118 dead_link_on_read(struct Client *client_p, int error)
1119 {
1120 char errmsg[255];
1121 int current_error;
1122
1123 if (IsDefunct(client_p))
1124 return;
1125
1126 dbuf_clear(&client_p->localClient->buf_recvq);
1127 dbuf_clear(&client_p->localClient->buf_sendq);
1128
1129 current_error = get_sockerr(client_p->localClient->fd.fd);
1130
1131 if (IsServer(client_p) || IsHandshake(client_p))
1132 {
1133 int connected = CurrentTime - client_p->firsttime;
1134
1135 if (error == 0)
1136 {
1137 /* Admins get the real IP */
1138 sendto_realops_flags(UMODE_ALL, L_ADMIN,
1139 "Server %s closed the connection",
1140 get_client_name(client_p, SHOW_IP));
1141
1142 /* Opers get a masked IP */
1143 sendto_realops_flags(UMODE_ALL, L_OPER,
1144 "Server %s closed the connection",
1145 get_client_name(client_p, MASK_IP));
1146
1147 ilog(L_NOTICE, "Server %s closed the connection",
1148 get_client_name(client_p, SHOW_IP));
1149 }
1150 else
1151 {
1152 report_error(L_ADMIN, "Lost connection to %s: %s",
1153 get_client_name(client_p, SHOW_IP), current_error);
1154 report_error(L_OPER, "Lost connection to %s: %s",
1155 get_client_name(client_p, MASK_IP), current_error);
1156 }
1157
1158 sendto_realops_flags(UMODE_ALL, L_ALL,
1159 "%s had been connected for %d day%s, %2d:%02d:%02d",
1160 client_p->name, connected/86400,
1161 (connected/86400 == 1) ? "" : "s",
1162 (connected % 86400) / 3600, (connected % 3600) / 60,
1163 connected % 60);
1164 }
1165
1166 if (error == 0)
1167 strlcpy(errmsg, "Remote host closed the connection",
1168 sizeof(errmsg));
1169 else
1170 ircsprintf(errmsg, "Read error: %s",
1171 strerror(current_error));
1172
1173 exit_client(client_p, &me, errmsg);
1174 }
1175
1176 void
1177 exit_aborted_clients(void)
1178 {
1179 dlink_node *ptr;
1180 struct Client *target_p;
1181 const char *notice;
1182
1183 DLINK_FOREACH_SAFE(ptr, eac_next, abort_list.head)
1184 {
1185 target_p = ptr->data;
1186 eac_next = ptr->next;
1187
1188 if (target_p == NULL)
1189 {
1190 sendto_realops_flags(UMODE_ALL, L_ALL,
1191 "Warning: null client on abort_list!");
1192 dlinkDelete(ptr, &abort_list);
1193 free_dlink_node(ptr);
1194 continue;
1195 }
1196
1197 dlinkDelete(ptr, &abort_list);
1198
1199 if (IsSendQExceeded(target_p))
1200 notice = "Max SendQ exceeded";
1201 else
1202 notice = "Write error: connection closed";
1203
1204 exit_client(target_p, &me, notice);
1205 free_dlink_node(ptr);
1206 }
1207 }
1208
1209 /*
1210 * accept processing, this adds a form of "caller ID" to ircd
1211 *
1212 * If a client puts themselves into "caller ID only" mode,
1213 * only clients that match a client pointer they have put on
1214 * the accept list will be allowed to message them.
1215 *
1216 * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1217 *
1218 * [target.allow_list] -> [ source1 ] -> [source2 ]
1219 *
1220 * i.e. a target will have a link list of source pointers it will allow
1221 * each source client then has a back pointer pointing back
1222 * to the client that has it on its accept list.
1223 * This allows for exit_one_client to remove these now bogus entries
1224 * from any client having an accept on them.
1225 */
1226
1227 /* accept_message()
1228 *
1229 * inputs - pointer to source client
1230 * - pointer to target client
1231 * output - 1 if accept this message 0 if not
1232 * side effects - See if source is on target's allow list
1233 */
1234 int
1235 accept_message(struct Client *source, struct Client *target)
1236 {
1237 dlink_node *ptr;
1238
1239 DLINK_FOREACH(ptr, target->allow_list.head)
1240 {
1241 struct Client *target_p = ptr->data;
1242
1243 if (source == target_p)
1244 return (1);
1245 }
1246
1247 if (IsSoftCallerId(target))
1248 {
1249 DLINK_FOREACH(ptr, target->channel.head)
1250 if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1251 return (1);
1252 }
1253
1254 return (0);
1255 }
1256
1257 /* del_from_accept()
1258 *
1259 * inputs - pointer to source client
1260 * - pointer to target client
1261 * output - NONE
1262 * side effects - Delete's source pointer to targets allow list
1263 *
1264 * Walk through the target's accept list, remove if source is found,
1265 * Then walk through the source's on_accept_list remove target if found.
1266 */
1267 void
1268 del_from_accept(struct Client *source, struct Client *target)
1269 {
1270 dlink_node *ptr;
1271 dlink_node *ptr2;
1272 dlink_node *next_ptr;
1273 dlink_node *next_ptr2;
1274 struct Client *target_p;
1275
1276 DLINK_FOREACH_SAFE(ptr, next_ptr, target->allow_list.head)
1277 {
1278 target_p = ptr->data;
1279
1280 if (source == target_p)
1281 {
1282 dlinkDelete(ptr, &target->allow_list);
1283 free_dlink_node(ptr);
1284
1285 DLINK_FOREACH_SAFE(ptr2, next_ptr2, source->on_allow_list.head)
1286 {
1287 target_p = ptr2->data;
1288
1289 if (target == target_p)
1290 {
1291 dlinkDelete(ptr2, &source->on_allow_list);
1292 free_dlink_node(ptr2);
1293 }
1294 }
1295 }
1296 }
1297 }
1298
1299 /* del_all_accepts()
1300 *
1301 * inputs - pointer to exiting client
1302 * output - NONE
1303 * side effects - Walk through given clients allow_list and on_allow_list
1304 * remove all references to this client
1305 */
1306 void
1307 del_all_accepts(struct Client *client_p)
1308 {
1309 dlink_node *ptr, *next_ptr;
1310
1311 DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->allow_list.head)
1312 del_from_accept(ptr->data, client_p);
1313
1314 DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1315 del_from_accept(client_p, ptr->data);
1316 }
1317
1318 /* del_all_their_accepts()
1319 *
1320 * inputs - pointer to exiting client
1321 * output - NONE
1322 * side effects - Walk through given clients on_allow_list
1323 * remove all references to this client,
1324 * allow this client to keep their own allow_list
1325 */
1326 void
1327 del_all_their_accepts(struct Client *client_p)
1328 {
1329 dlink_node *ptr, *next_ptr;
1330
1331 DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1332 del_from_accept(client_p, ptr->data);
1333 }
1334
1335 /* set_initial_nick()
1336 *
1337 * inputs
1338 * output
1339 * side effects -
1340 *
1341 * This function is only called to set up an initially registering
1342 * client.
1343 */
1344 void
1345 set_initial_nick(struct Client *client_p, struct Client *source_p,
1346 const char *nick)
1347 {
1348 char buf[USERLEN + 1];
1349
1350 /* Client setting NICK the first time */
1351
1352 /* This had to be copied here to avoid problems.. */
1353 source_p->tsinfo = CurrentTime;
1354 source_p->localClient->registration &= ~REG_NEED_NICK;
1355
1356 if (source_p->name[0])
1357 hash_del_client(source_p);
1358
1359 strlcpy(source_p->name, nick, sizeof(source_p->name));
1360 hash_add_client(source_p);
1361
1362 /* fd_desc is long enough */
1363 fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1364
1365 /* They have the nick they want now.. */
1366 client_p->llname[0] = '\0';
1367
1368 if (!source_p->localClient->registration)
1369 {
1370 strlcpy(buf, source_p->username, sizeof(buf));
1371
1372 /*
1373 * USER already received, now we have NICK.
1374 * *NOTE* For servers "NICK" *must* precede the
1375 * user message (giving USER before NICK is possible
1376 * only for local client connection!). register_user
1377 * may reject the client and call exit_client for it
1378 * --must test this and exit m_nick too!!!
1379 */
1380 register_local_user(client_p, source_p, nick, buf);
1381 }
1382 }
1383
1384 /* change_local_nick()
1385 *
1386 * inputs - pointer to server
1387 * - pointer to client
1388 * - nick
1389 * output -
1390 * side effects - changes nick of a LOCAL user
1391 */
1392 void
1393 change_local_nick(struct Client *client_p, struct Client *source_p, const char *nick)
1394 {
1395 int samenick = 0;
1396
1397 /*
1398 ** Client just changing his/her nick. If he/she is
1399 ** on a channel, send note of change to all clients
1400 ** on that channel. Propagate notice to other servers.
1401 */
1402 if ((source_p->localClient->last_nick_change +
1403 ConfigFileEntry.max_nick_time) < CurrentTime)
1404 source_p->localClient->number_of_nick_changes = 0;
1405 source_p->localClient->last_nick_change = CurrentTime;
1406 source_p->localClient->number_of_nick_changes++;
1407
1408 if ((ConfigFileEntry.anti_nick_flood &&
1409 (source_p->localClient->number_of_nick_changes
1410 <= ConfigFileEntry.max_nick_changes)) ||
1411 !ConfigFileEntry.anti_nick_flood ||
1412 (IsOper(source_p) && ConfigFileEntry.no_oper_flood))
1413 {
1414 samenick = !irccmp(source_p->name, nick);
1415
1416 if (!samenick)
1417 {
1418 /*
1419 * Make sure everyone that has this client on its accept list
1420 * loses that reference.
1421 */
1422 del_all_their_accepts(source_p);
1423 source_p->tsinfo = CurrentTime;
1424 clear_ban_cache_client(source_p);
1425 }
1426
1427 /* XXX - the format of this notice should eventually be changed
1428 * to either %s[%s@%s], or even better would be get_client_name() -bill
1429 */
1430 sendto_realops_flags(UMODE_NCHANGE, L_ALL, "Nick change: From %s to %s [%s@%s]",
1431 source_p->name, nick, source_p->username, source_p->host);
1432 sendto_common_channels_local(source_p, 1, ":%s!%s@%s NICK :%s",
1433 source_p->name, source_p->username,
1434 source_p->host, nick);
1435 add_history(source_p, 1);
1436
1437 /*
1438 * Only hubs care about lazy link nicks not being sent on yet
1439 * lazylink leafs/leafs always send their nicks up to hub,
1440 * hence must always propagate nick changes.
1441 * hubs might not propagate a nick change, if the leaf
1442 * does not know about that client yet.
1443 */
1444 sendto_server(client_p, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
1445 ":%s NICK %s :%lu",
1446 ID(source_p), nick, (unsigned long)source_p->tsinfo);
1447 sendto_server(client_p, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
1448 ":%s NICK %s :%lu",
1449 source_p->name, nick, (unsigned long)source_p->tsinfo);
1450 }
1451 else
1452 {
1453 sendto_one(source_p, form_str(ERR_NICKTOOFAST),
1454 me.name, source_p->name, source_p->name,
1455 nick, ConfigFileEntry.max_nick_time);
1456 return;
1457 }
1458
1459 /* Finally, add to hash */
1460 if (source_p->name[0])
1461 hash_del_client(source_p);
1462
1463 if (!samenick)
1464 {
1465 clear_ban_cache_client(source_p);
1466 watch_check_hash(source_p, RPL_LOGOFF);
1467 }
1468
1469 strcpy(source_p->name, nick);
1470 hash_add_client(source_p);
1471
1472 if (!samenick)
1473 watch_check_hash(source_p, RPL_LOGON);
1474
1475 /* fd_desc is long enough */
1476 fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1477 }

Properties

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