2 * charybdis: an advanced ircd.
3 * client.c: Controls clients.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
8 * Copyright (C) 2007 William Pitcock
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 * $Id: client.c 3514 2007-06-06 16:25:21Z nenolod $
40 #include "s_newconf.h"
53 #include "blacklist.h"
56 #include "irc_dictionary.h"
60 #define DEBUG_EXITED_CLIENTS
62 static void check_pings_list(rb_dlink_list
* list
);
63 static void check_unknowns_list(rb_dlink_list
* list
);
64 static void free_exited_clients(void *unused
);
65 static void exit_aborted_clients(void *unused
);
67 static int exit_remote_client(struct Client
*, struct Client
*, struct Client
*,const char *);
68 static int exit_remote_server(struct Client
*, struct Client
*, struct Client
*,const char *);
69 static int exit_local_client(struct Client
*, struct Client
*, struct Client
*,const char *);
70 static int exit_unknown_client(struct Client
*, struct Client
*, struct Client
*,const char *);
71 static int exit_local_server(struct Client
*, struct Client
*, struct Client
*,const char *);
72 static int qs_server(struct Client
*, struct Client
*, struct Client
*, const char *comment
);
74 static EVH check_pings
;
76 static rb_bh
*client_heap
= NULL
;
77 static rb_bh
*lclient_heap
= NULL
;
78 static rb_bh
*pclient_heap
= NULL
;
79 static rb_bh
*user_heap
= NULL
;
80 static rb_bh
*away_heap
= NULL
;
81 static char current_uid
[IDLEN
];
83 struct Dictionary
*nd_dict
= NULL
;
91 rb_dlink_list dead_list
;
92 #ifdef DEBUG_EXITED_CLIENTS
93 static rb_dlink_list dead_remote_list
;
99 struct Client
*client
;
100 char notice
[REASONLEN
];
103 static rb_dlink_list abort_list
;
111 * side effects - initialize client free memory
117 * start off the check ping event .. -- adrian
118 * Every 30 seconds is plenty -- db
120 client_heap
= rb_bh_create(sizeof(struct Client
), CLIENT_HEAP_SIZE
, "client_heap");
121 lclient_heap
= rb_bh_create(sizeof(struct LocalUser
), LCLIENT_HEAP_SIZE
, "lclient_heap");
122 pclient_heap
= rb_bh_create(sizeof(struct PreClient
), PCLIENT_HEAP_SIZE
, "pclient_heap");
123 user_heap
= rb_bh_create(sizeof(struct User
), USER_HEAP_SIZE
, "user_heap");
124 away_heap
= rb_bh_create(AWAYLEN
, AWAY_HEAP_SIZE
, "away_heap");
126 rb_event_addish("check_pings", check_pings
, NULL
, 30);
127 rb_event_addish("free_exited_clients", &free_exited_clients
, NULL
, 4);
128 rb_event_addish("exit_aborted_clients", exit_aborted_clients
, NULL
, 1);
129 rb_event_add("flood_recalc", flood_recalc
, NULL
, 1);
131 nd_dict
= irc_dictionary_create(irccmp
);
136 * make_client - create a new Client struct and set it to initial state.
138 * from == NULL, create local client (a client connected
141 * from, create remote client (behind a socket
142 * associated with the client defined by
143 * 'from'). ('from' is a local client!!).
146 make_client(struct Client
*from
)
148 struct Client
*client_p
= NULL
;
149 struct LocalUser
*localClient
;
151 client_p
= rb_bh_alloc(client_heap
);
155 client_p
->from
= client_p
; /* 'from' of local client is self! */
157 localClient
= rb_bh_alloc(lclient_heap
);
158 SetMyConnect(client_p
);
159 client_p
->localClient
= localClient
;
161 client_p
->localClient
->lasttime
= client_p
->localClient
->firsttime
= rb_current_time();
163 client_p
->localClient
->F
= NULL
;
165 client_p
->preClient
= rb_bh_alloc(pclient_heap
);;
167 /* as good a place as any... */
168 rb_dlinkAdd(client_p
, &client_p
->localClient
->tnode
, &unknown_list
);
171 { /* from is not NULL */
172 client_p
->localClient
= NULL
;
173 client_p
->preClient
= NULL
;
174 client_p
->from
= from
; /* 'from' of local client is self! */
177 SetUnknown(client_p
);
178 strcpy(client_p
->username
, "unknown");
184 free_pre_client(struct Client
*client_p
)
186 struct Blacklist
*blptr
;
188 s_assert(NULL
!= client_p
);
190 if(client_p
->preClient
== NULL
)
193 blptr
= client_p
->preClient
->dnsbl_listed
;
195 unref_blacklist(blptr
);
196 abort_blacklist_queries(client_p
);
197 rb_bh_free(pclient_heap
, client_p
->preClient
);
198 client_p
->preClient
= NULL
;
202 free_local_client(struct Client
*client_p
)
204 s_assert(NULL
!= client_p
);
205 s_assert(&me
!= client_p
);
207 if(client_p
->localClient
== NULL
)
211 * clean up extra sockets from P-lines which have been discarded.
213 if(client_p
->localClient
->listener
)
215 s_assert(0 < client_p
->localClient
->listener
->ref_count
);
216 if(0 == --client_p
->localClient
->listener
->ref_count
217 && !client_p
->localClient
->listener
->active
)
218 free_listener(client_p
->localClient
->listener
);
219 client_p
->localClient
->listener
= 0;
222 if(client_p
->localClient
->F
!= NULL
)
224 del_from_cli_fd_hash(client_p
);
225 rb_close(client_p
->localClient
->F
);
228 if(client_p
->localClient
->passwd
)
230 memset(client_p
->localClient
->passwd
, 0,
231 strlen(client_p
->localClient
->passwd
));
232 rb_free(client_p
->localClient
->passwd
);
235 rb_free(client_p
->localClient
->auth_user
);
236 rb_free(client_p
->localClient
->challenge
);
237 rb_free(client_p
->localClient
->fullcaps
);
238 rb_free(client_p
->localClient
->opername
);
239 rb_free(client_p
->localClient
->mangledhost
);
240 if (client_p
->localClient
->privset
)
241 privilegeset_unref(client_p
->localClient
->privset
);
244 ssld_decrement_clicount(client_p
->localClient
->ssl_ctl
);
246 if(IsCapable(client_p
, CAP_ZIP
))
247 ssld_decrement_clicount(client_p
->localClient
->z_ctl
);
249 rb_bh_free(lclient_heap
, client_p
->localClient
);
250 client_p
->localClient
= NULL
;
254 free_client(struct Client
*client_p
)
256 s_assert(NULL
!= client_p
);
257 s_assert(&me
!= client_p
);
258 free_local_client(client_p
);
259 free_pre_client(client_p
);
260 rb_free(client_p
->certfp
);
261 rb_bh_free(client_heap
, client_p
);
265 * check_pings - go through the local client list and check activity
266 * kill off stuff that should die
268 * inputs - NOT USED (from event)
269 * output - next time_t when check_pings() should be called again
273 * A PING can be sent to clients as necessary.
275 * Client/Server ping outs are handled.
279 * Addon from adrian. We used to call this after nextping seconds,
280 * however I've changed it to run once a second. This is only for
281 * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
282 * run once a second makes life a lot easier - when a new client connects
283 * and they need a ping in 4 seconds, if nextping was set to 20 seconds
284 * we end up waiting 20 seconds. This is stupid. :-)
285 * I will optimise (hah!) check_pings() once I've finished working on
286 * tidying up other network IO evilnesses.
291 check_pings(void *notused
)
293 check_pings_list(&lclient_list
);
294 check_pings_list(&serv_list
);
295 check_unknowns_list(&unknown_list
);
301 * inputs - pointer to list to check
306 check_pings_list(rb_dlink_list
* list
)
308 char scratch
[32]; /* way too generous but... */
309 struct Client
*client_p
; /* current local client_p being examined */
310 int ping
= 0; /* ping time value from client */
311 rb_dlink_node
*ptr
, *next_ptr
;
313 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
315 client_p
= ptr
->data
;
317 if(!MyConnect(client_p
) || IsDead(client_p
))
320 ping
= get_client_ping(client_p
);
322 if(ping
< (rb_current_time() - client_p
->localClient
->lasttime
))
325 * If the client/server hasnt talked to us in 2*ping seconds
326 * and it has a ping time, then close its connection.
328 if(((rb_current_time() - client_p
->localClient
->lasttime
) >= (2 * ping
)
329 && (client_p
->flags
& FLAGS_PINGSENT
)))
331 if(IsServer(client_p
))
333 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
334 "No response from %s, closing link",
337 "No response from %s, closing link",
338 log_client_name(client_p
, HIDE_IP
));
340 (void) rb_snprintf(scratch
, sizeof(scratch
),
341 "Ping timeout: %d seconds",
342 (int) (rb_current_time() - client_p
->localClient
->lasttime
));
344 exit_client(client_p
, client_p
, &me
, scratch
);
347 else if((client_p
->flags
& FLAGS_PINGSENT
) == 0)
350 * if we havent PINGed the connection and we havent
351 * heard from it in a while, PING it to make sure
354 client_p
->flags
|= FLAGS_PINGSENT
;
355 /* not nice but does the job */
356 client_p
->localClient
->lasttime
= rb_current_time() - ping
;
357 sendto_one(client_p
, "PING :%s", me
.name
);
366 * check_unknowns_list
368 * inputs - pointer to list of unknown clients
370 * side effects - unknown clients get marked for termination after n seconds
373 check_unknowns_list(rb_dlink_list
* list
)
375 rb_dlink_node
*ptr
, *next_ptr
;
376 struct Client
*client_p
;
379 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
381 client_p
= ptr
->data
;
383 if(IsDead(client_p
) || IsClosing(client_p
))
386 /* still has DNSbls to validate against */
387 if(client_p
->preClient
!= NULL
&&
388 rb_dlink_list_length(&client_p
->preClient
->dnsbl_queries
) > 0)
392 * Check UNKNOWN connections - if they have been in this state
393 * for > 30s, close them.
396 timeout
= IsAnyServer(client_p
) ? ConfigFileEntry
.connect_timeout
: 30;
397 if((rb_current_time() - client_p
->localClient
->firsttime
) > timeout
)
399 if(IsAnyServer(client_p
))
401 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) ? L_NETWIDE
: L_ALL
,
402 "No response from %s, closing link",
405 "No response from %s, closing link",
406 log_client_name(client_p
, HIDE_IP
));
408 exit_client(client_p
, client_p
, &me
, "Connection timed out");
414 notify_banned_client(struct Client
*client_p
, struct ConfItem
*aconf
, int ban
)
416 static const char conn_closed
[] = "Connection closed";
417 static const char d_lined
[] = "D-lined";
418 static const char k_lined
[] = "K-lined";
419 const char *reason
= NULL
;
420 const char *exit_reason
= conn_closed
;
422 if(ConfigFileEntry
.kline_with_reason
)
424 reason
= get_user_ban_reason(aconf
);
425 exit_reason
= reason
;
429 reason
= aconf
->status
== D_LINED
? d_lined
: k_lined
;
432 if(ban
== D_LINED
&& !IsPerson(client_p
))
433 sendto_one(client_p
, "NOTICE DLINE :*** You have been D-lined");
435 sendto_one(client_p
, form_str(ERR_YOUREBANNEDCREEP
),
436 me
.name
, client_p
->name
, reason
);
438 exit_client(client_p
, client_p
, &me
,
439 EmptyString(ConfigFileEntry
.kline_reason
) ? exit_reason
:
440 ConfigFileEntry
.kline_reason
);
447 * side effects - Check all connections for a pending k/dline against the
448 * client, exit the client if found.
451 check_banned_lines(void)
458 /* check_klines_event()
462 * side effects - check_klines() is called, kline_queued unset
465 check_klines_event(void *unused
)
475 * side effects - all clients will be checked for klines
480 struct Client
*client_p
;
481 struct ConfItem
*aconf
;
483 rb_dlink_node
*next_ptr
;
485 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
487 client_p
= ptr
->data
;
489 if(IsMe(client_p
) || !IsPerson(client_p
))
492 if((aconf
= find_kline(client_p
)) != NULL
)
494 if(IsExemptKline(client_p
))
496 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
497 "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
498 get_client_name(client_p
, HIDE_IP
),
499 aconf
->user
, aconf
->host
);
503 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
504 "KLINE active for %s",
505 get_client_name(client_p
, HIDE_IP
));
507 notify_banned_client(client_p
, aconf
, K_LINED
);
517 * side effects - all clients will be checked for dlines
522 struct Client
*client_p
;
523 struct ConfItem
*aconf
;
525 rb_dlink_node
*next_ptr
;
527 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
529 client_p
= ptr
->data
;
534 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
536 if(aconf
->status
& CONF_EXEMPTDLINE
)
539 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
540 "DLINE active for %s",
541 get_client_name(client_p
, HIDE_IP
));
543 notify_banned_client(client_p
, aconf
, D_LINED
);
548 /* dlines need to be checked against unknowns too */
549 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
551 client_p
= ptr
->data
;
553 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
555 if(aconf
->status
& CONF_EXEMPTDLINE
)
558 notify_banned_client(client_p
, aconf
, D_LINED
);
567 * side effects - all clients will be checked for xlines
572 struct Client
*client_p
;
573 struct ConfItem
*aconf
;
575 rb_dlink_node
*next_ptr
;
577 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
579 client_p
= ptr
->data
;
581 if(IsMe(client_p
) || !IsPerson(client_p
))
584 if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
586 if(IsExemptKline(client_p
))
588 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
589 "XLINE over-ruled for %s, client is kline_exempt [%s]",
590 get_client_name(client_p
, HIDE_IP
),
595 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "XLINE active for %s",
596 get_client_name(client_p
, HIDE_IP
));
598 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
606 * inputs - resv, reason, time
608 * side effects - all local clients matching resv will be FNC'd
611 resv_nick_fnc(const char *mask
, const char *reason
, int temp_time
)
613 struct Client
*client_p
, *target_p
;
615 rb_dlink_node
*next_ptr
;
617 char note
[NICKLEN
+10];
619 if (!ConfigFileEntry
.resv_fnc
)
622 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
624 client_p
= ptr
->data
;
626 if(IsMe(client_p
) || !IsPerson(client_p
) || IsExemptResv(client_p
))
629 /* Skip users that already have UID nicks. */
630 if(IsDigit(client_p
->name
[0]))
633 if(match_esc(mask
, client_p
->name
))
638 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
639 "RESV forced nick change for %s!%s@%s to %s; nick matched [%s] (%s)",
640 client_p
->name
, client_p
->username
, client_p
->host
, nick
, mask
, reason
);
642 sendto_realops_snomask(SNO_NCHANGE
, L_ALL
,
643 "Nick change: From %s to %s [%s@%s]",
644 client_p
->name
, nick
, client_p
->username
, client_p
->host
);
649 sendto_one_notice(client_p
,
650 ":*** Nick %s is temporarily unavailable on this server.",
655 sendto_one_notice(client_p
,
656 ":*** Nick %s is no longer available on this server.",
660 /* Do all of the nick-changing gymnastics. */
661 client_p
->tsinfo
= rb_current_time();
662 add_history(client_p
, 1);
664 monitor_signoff(client_p
);
666 invalidate_bancache_user(client_p
);
668 sendto_common_channels_local(client_p
, NOCAPS
, ":%s!%s@%s NICK :%s",
669 client_p
->name
, client_p
->username
, client_p
->host
, nick
);
670 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
, ":%s NICK %s :%ld",
671 use_id(client_p
), nick
, (long) client_p
->tsinfo
);
673 del_from_client_hash(client_p
->name
, client_p
);
674 rb_strlcpy(client_p
->name
, nick
, sizeof(client_p
->name
));
675 add_to_client_hash(nick
, client_p
);
677 monitor_signon(client_p
);
679 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->on_allow_list
.head
)
681 target_p
= ptr
->data
;
682 rb_dlinkFindDestroy(client_p
, &target_p
->localClient
->allow_list
);
683 rb_dlinkDestroy(ptr
, &client_p
->on_allow_list
);
686 rb_snprintf(note
, sizeof(note
), "Nick: %s", nick
);
687 rb_note(client_p
->localClient
->F
, note
);
693 * update_client_exit_stats
695 * input - pointer to client
700 update_client_exit_stats(struct Client
*client_p
)
702 if(IsServer(client_p
))
704 sendto_realops_snomask(SNO_EXTERNAL
, L_ALL
,
705 "Server %s split from %s",
706 client_p
->name
, client_p
->servptr
->name
);
707 if(HasSentEob(client_p
))
710 else if(IsClient(client_p
))
715 if(IsInvisible(client_p
))
719 if(splitchecking
&& !splitmode
)
720 check_splitmode(NULL
);
724 * release_client_state
726 * input - pointer to client to release
731 release_client_state(struct Client
*client_p
)
733 if(client_p
->user
!= NULL
)
735 free_user(client_p
->user
, client_p
); /* try this here */
739 if(client_p
->serv
->user
!= NULL
)
740 free_user(client_p
->serv
->user
, client_p
);
741 if(client_p
->serv
->fullcaps
)
742 rb_free(client_p
->serv
->fullcaps
);
743 rb_free(client_p
->serv
);
748 * remove_client_from_list
749 * inputs - point to client to remove
751 * side effects - taken the code from ExitOneClient() for this
752 * and placed it here. - avalon
755 remove_client_from_list(struct Client
*client_p
)
757 s_assert(NULL
!= client_p
);
762 /* A client made with make_client()
763 * is on the unknown_list until removed.
764 * If it =does= happen to exit before its removed from that list
765 * and its =not= on the global_client_list, it will core here.
766 * short circuit that case now -db
768 if(client_p
->node
.prev
== NULL
&& client_p
->node
.next
== NULL
)
771 rb_dlinkDelete(&client_p
->node
, &global_client_list
);
773 update_client_exit_stats(client_p
);
778 * find_person - find person by (nick)name.
779 * inputs - pointer to name
780 * output - return client pointer
784 find_person(const char *name
)
786 struct Client
*c2ptr
;
788 c2ptr
= find_client(name
);
790 if(c2ptr
&& IsPerson(c2ptr
))
796 find_named_person(const char *name
)
798 struct Client
*c2ptr
;
800 c2ptr
= find_named_client(name
);
802 if(c2ptr
&& IsPerson(c2ptr
))
809 * find_chasing - find the client structure for a nick name (user)
810 * using history mechanism if necessary. If the client is not found,
811 * an error message (NO SUCH NICK) is generated. If the client was found
812 * through the history, chasing will be 1 and otherwise 0.
815 find_chasing(struct Client
*source_p
, const char *user
, int *chasing
)
819 if(MyClient(source_p
))
820 who
= find_named_person(user
);
822 who
= find_person(user
);
827 if(who
|| IsDigit(*user
))
830 if(!(who
= get_history(user
, (long) KILLCHASETIMELIMIT
)))
832 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
833 form_str(ERR_NOSUCHNICK
), user
);
842 * get_client_name - Return the name of the client
843 * for various tracking and
844 * admin purposes. The main purpose of this function is to
845 * return the "socket host" name of the client, if that
846 * differs from the advertised name (other than case).
847 * But, this can be used to any client structure.
850 * Watch out the allocation of "nbuf", if either source_p->name
851 * or source_p->sockhost gets changed into pointers instead of
852 * directly allocated within the structure...
855 * Function return either a pointer to the structure (source_p) or
856 * to internal buffer (nbuf). *NEVER* use the returned pointer
857 * to modify what it points!!!
861 get_client_name(struct Client
*client
, int showip
)
863 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
865 s_assert(NULL
!= client
);
869 if(MyConnect(client
))
871 if(!irccmp(client
->name
, client
->host
))
874 if(ConfigFileEntry
.hide_spoof_ips
&&
875 showip
== SHOW_IP
&& IsIPSpoof(client
))
877 if(IsAnyServer(client
))
880 /* And finally, let's get the host information, ip or name */
884 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
885 client
->name
, client
->username
,
889 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
890 client
->name
, client
->username
);
893 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
894 client
->name
, client
->username
, client
->host
);
899 /* As pointed out by Adel Mezibra
900 * Neph|l|m@EFnet. Was missing a return here.
907 * This version is the same as get_client_name, but doesnt contain the
908 * code that will hide IPs always. This should be used for logfiles.
911 log_client_name(struct Client
*target_p
, int showip
)
913 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
918 if(MyConnect(target_p
))
920 if(irccmp(target_p
->name
, target_p
->host
) == 0)
921 return target_p
->name
;
926 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
927 target_p
->username
, target_p
->sockhost
);
931 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
932 target_p
->name
, target_p
->username
);
935 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
936 target_p
->username
, target_p
->host
);
942 return target_p
->name
;
945 /* is_remote_connect - Returns whether a server was /connect'ed by a remote
946 * oper (send notices netwide) */
948 is_remote_connect(struct Client
*client_p
)
952 if (client_p
->serv
== NULL
)
954 oper
= find_named_person(client_p
->serv
->by
);
955 return oper
!= NULL
&& IsOper(oper
) && !MyConnect(oper
);
959 free_exited_clients(void *unused
)
961 rb_dlink_node
*ptr
, *next
;
962 struct Client
*target_p
;
964 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_list
.head
)
966 target_p
= ptr
->data
;
968 #ifdef DEBUG_EXITED_CLIENTS
970 struct abort_client
*abt
;
974 RB_DLINK_FOREACH(aptr
, abort_list
.head
)
977 if(abt
->client
== target_p
)
980 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
981 "On abort_list: %s stat: %u flags: %u/%u handler: %c",
982 target_p
->name
, (unsigned int) target_p
->status
,
983 target_p
->flags
, target_p
->flags2
, target_p
->handler
);
984 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
985 "Please report this to the charybdis developers!");
992 rb_dlinkDestroy(ptr
, &dead_list
);
998 if(ptr
->data
== NULL
)
1000 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1001 "Warning: null client on dead_list!");
1002 rb_dlinkDestroy(ptr
, &dead_list
);
1005 release_client_state(target_p
);
1006 free_client(target_p
);
1007 rb_dlinkDestroy(ptr
, &dead_list
);
1010 #ifdef DEBUG_EXITED_CLIENTS
1011 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_remote_list
.head
)
1013 target_p
= ptr
->data
;
1015 if(ptr
->data
== NULL
)
1017 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1018 "Warning: null client on dead_list!");
1019 rb_dlinkDestroy(ptr
, &dead_list
);
1022 release_client_state(target_p
);
1023 free_client(target_p
);
1024 rb_dlinkDestroy(ptr
, &dead_remote_list
);
1031 ** Remove all clients that depend on source_p; assumes all (S)QUITs have
1032 ** already been sent. we make sure to exit a server's dependent clients
1033 ** and servers before the server itself; exit_one_client takes care of
1034 ** actually removing things off llists. tweaked from +CSr31 -orabidoo
1037 * added sanity test code.... source_p->serv might be NULL...
1040 recurse_remove_clients(struct Client
*source_p
, const char *comment
)
1042 struct Client
*target_p
;
1043 rb_dlink_node
*ptr
, *ptr_next
;
1048 if(source_p
->serv
== NULL
) /* oooops. uh this is actually a major bug */
1051 /* this is very ugly, but it saves cpu :P */
1052 if(ConfigFileEntry
.nick_delay
> 0)
1054 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1056 target_p
= ptr
->data
;
1057 target_p
->flags
|= FLAGS_KILLED
;
1058 add_nd_entry(target_p
->name
);
1060 if(!IsDead(target_p
) && !IsClosing(target_p
))
1061 exit_remote_client(NULL
, target_p
, &me
, comment
);
1066 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1068 target_p
= ptr
->data
;
1069 target_p
->flags
|= FLAGS_KILLED
;
1071 if(!IsDead(target_p
) && !IsClosing(target_p
))
1072 exit_remote_client(NULL
, target_p
, &me
, comment
);
1076 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1078 target_p
= ptr
->data
;
1079 recurse_remove_clients(target_p
, comment
);
1080 qs_server(NULL
, target_p
, &me
, comment
);
1085 ** Remove *everything* that depends on source_p, from all lists, and sending
1086 ** all necessary SQUITs. source_p itself is still on the lists,
1087 ** and its SQUITs have been sent except for the upstream one -orabidoo
1090 remove_dependents(struct Client
*client_p
,
1091 struct Client
*source_p
,
1092 struct Client
*from
, const char *comment
, const char *comment1
)
1095 rb_dlink_node
*ptr
, *next
;
1097 RB_DLINK_FOREACH_SAFE(ptr
, next
, serv_list
.head
)
1101 if(IsMe(to
) || to
== source_p
->from
|| to
== client_p
)
1104 sendto_one(to
, "SQUIT %s :%s", get_id(source_p
, to
), comment
);
1107 recurse_remove_clients(source_p
, comment1
);
1111 exit_aborted_clients(void *unused
)
1113 struct abort_client
*abt
;
1114 rb_dlink_node
*ptr
, *next
;
1115 RB_DLINK_FOREACH_SAFE(ptr
, next
, abort_list
.head
)
1119 #ifdef DEBUG_EXITED_CLIENTS
1121 if(rb_dlinkFind(abt
->client
, &dead_list
))
1124 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1125 "On dead_list: %s stat: %u flags: %u/%u handler: %c",
1126 abt
->client
->name
, (unsigned int) abt
->client
->status
,
1127 abt
->client
->flags
, abt
->client
->flags2
, abt
->client
->handler
);
1128 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1129 "Please report this to the charybdis developers!");
1135 s_assert(*((unsigned long*)abt
->client
) != 0xdeadbeef); /* This is lame but its a debug thing */
1136 rb_dlinkDelete(ptr
, &abort_list
);
1138 if(IsAnyServer(abt
->client
))
1139 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1140 "Closing link to %s: %s",
1141 abt
->client
->name
, abt
->notice
);
1143 /* its no longer on abort list - we *must* remove
1144 * FLAGS_CLOSING otherwise exit_client() will not run --fl
1146 abt
->client
->flags
&= ~FLAGS_CLOSING
;
1147 exit_client(abt
->client
, abt
->client
, &me
, abt
->notice
);
1154 * dead_link - Adds client to a list of clients that need an exit_client()
1158 dead_link(struct Client
*client_p
, int sendqex
)
1160 struct abort_client
*abt
;
1162 s_assert(!IsMe(client_p
));
1163 if(IsDead(client_p
) || IsClosing(client_p
) || IsMe(client_p
))
1166 abt
= (struct abort_client
*) rb_malloc(sizeof(struct abort_client
));
1169 rb_strlcpy(abt
->notice
, "Max SendQ exceeded", sizeof(abt
->notice
));
1171 rb_snprintf(abt
->notice
, sizeof(abt
->notice
), "Write error: %s", strerror(errno
));
1173 abt
->client
= client_p
;
1174 SetIOError(client_p
);
1176 SetClosing(client_p
);
1177 rb_dlinkAdd(abt
, &abt
->node
, &abort_list
);
1181 /* This does the remove of the user from channels..local or remote */
1183 exit_generic_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1184 const char *comment
)
1186 rb_dlink_node
*ptr
, *next_ptr
;
1188 if(IsOper(source_p
))
1189 rb_dlinkFindDestroy(source_p
, &oper_list
);
1191 sendto_common_channels_local(source_p
, NOCAPS
, ":%s!%s@%s QUIT :%s",
1193 source_p
->username
, source_p
->host
, comment
);
1195 remove_user_from_channels(source_p
);
1197 /* Should not be in any channels now */
1198 s_assert(source_p
->user
->channel
.head
== NULL
);
1200 /* Clean up invitefield */
1201 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, source_p
->user
->invited
.head
)
1203 del_invite(ptr
->data
, source_p
);
1206 /* Clean up allow lists */
1207 del_all_accepts(source_p
);
1209 add_history(source_p
, 0);
1210 off_history(source_p
);
1212 monitor_signoff(source_p
);
1214 if(has_id(source_p
))
1215 del_from_id_hash(source_p
->id
, source_p
);
1217 del_from_hostname_hash(source_p
->orighost
, source_p
);
1218 del_from_client_hash(source_p
->name
, source_p
);
1219 remove_client_from_list(source_p
);
1223 * Assumes IsPerson(source_p) && !MyConnect(source_p)
1227 exit_remote_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1228 const char *comment
)
1230 exit_generic_client(client_p
, source_p
, from
, comment
);
1232 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1234 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->users
);
1237 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1239 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1240 ":%s QUIT :%s", use_id(source_p
), comment
);
1244 #ifdef DEBUG_EXITED_CLIENTS
1245 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1247 rb_dlinkAddAlloc(source_p
, &dead_list
);
1249 return(CLIENT_EXITED
);
1253 * This assumes IsUnknown(source_p) == TRUE and MyConnect(source_p) == TRUE
1257 exit_unknown_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1258 const char *comment
)
1260 delete_auth_queries(source_p
);
1261 if (source_p
->localClient
->dnsquery
)
1263 delete_resolver_queries(source_p
->localClient
->dnsquery
);
1264 rb_free(source_p
->localClient
->dnsquery
);
1266 rb_dlinkDelete(&source_p
->localClient
->tnode
, &unknown_list
);
1268 if(!IsIOError(source_p
))
1269 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)",
1270 source_p
->user
!= NULL
? source_p
->host
: "127.0.0.1",
1273 close_connection(source_p
);
1275 if(has_id(source_p
))
1276 del_from_id_hash(source_p
->id
, source_p
);
1278 del_from_hostname_hash(source_p
->host
, source_p
);
1279 del_from_client_hash(source_p
->name
, source_p
);
1280 remove_client_from_list(source_p
);
1282 rb_dlinkAddAlloc(source_p
, &dead_list
);
1284 /* Note that we don't need to add unknowns to the dead_list */
1285 return(CLIENT_EXITED
);
1289 exit_remote_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1290 const char *comment
)
1292 static char comment1
[(HOSTLEN
*2)+2];
1293 static char newcomment
[BUFSIZE
];
1294 struct Client
*target_p
;
1296 if(ConfigServerHide
.flatten_links
)
1297 strcpy(comment1
, "*.net *.split");
1300 strcpy(comment1
, source_p
->servptr
->name
);
1301 strcat(comment1
, " ");
1302 strcat(comment1
, source_p
->name
);
1305 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1306 from
->name
, comment
);
1308 if(source_p
->serv
!= NULL
)
1309 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1311 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1312 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1316 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1317 target_p
= source_p
->from
;
1319 if(target_p
!= NULL
&& IsServer(target_p
) && target_p
!= client_p
&&
1320 !IsMe(target_p
) && (source_p
->flags
& FLAGS_KILLED
) == 0)
1322 sendto_one(target_p
, ":%s SQUIT %s :%s",
1323 get_id(from
, target_p
), get_id(source_p
, target_p
),
1327 if(has_id(source_p
))
1328 del_from_id_hash(source_p
->id
, source_p
);
1330 del_from_client_hash(source_p
->name
, source_p
);
1331 remove_client_from_list(source_p
);
1332 scache_split(source_p
->serv
->nameinfo
);
1335 #ifdef DEBUG_EXITED_CLIENTS
1336 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1338 rb_dlinkAddAlloc(source_p
, &dead_list
);
1344 qs_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1345 const char *comment
)
1347 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1348 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1352 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1354 if(has_id(source_p
))
1355 del_from_id_hash(source_p
->id
, source_p
);
1357 del_from_client_hash(source_p
->name
, source_p
);
1358 remove_client_from_list(source_p
);
1359 scache_split(source_p
->serv
->nameinfo
);
1362 rb_dlinkAddAlloc(source_p
, &dead_list
);
1367 exit_local_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1368 const char *comment
)
1370 static char comment1
[(HOSTLEN
*2)+2];
1371 static char newcomment
[BUFSIZE
];
1372 unsigned int sendk
, recvk
;
1374 rb_dlinkDelete(&source_p
->localClient
->tnode
, &serv_list
);
1375 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1377 sendk
= source_p
->localClient
->sendK
;
1378 recvk
= source_p
->localClient
->receiveK
;
1380 /* Always show source here, so the server notices show
1381 * which side initiated the split -- jilles
1383 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1384 from
== source_p
? me
.name
: from
->name
, comment
);
1385 if (!IsIOError(source_p
))
1386 sendto_one(source_p
, "SQUIT %s :%s", use_id(source_p
),
1388 if(client_p
!= NULL
&& source_p
!= client_p
&& !IsIOError(source_p
))
1390 sendto_one(source_p
, "ERROR :Closing Link: 127.0.0.1 %s (%s)",
1391 source_p
->name
, comment
);
1394 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1395 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1400 close_connection(source_p
);
1402 if(ConfigServerHide
.flatten_links
)
1403 strcpy(comment1
, "*.net *.split");
1406 strcpy(comment1
, source_p
->servptr
->name
);
1407 strcat(comment1
, " ");
1408 strcat(comment1
, source_p
->name
);
1411 if(source_p
->serv
!= NULL
)
1412 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1414 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "%s was connected"
1415 " for %ld seconds. %d/%d sendK/recvK.",
1416 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1418 ilog(L_SERVER
, "%s was connected for %ld seconds. %d/%d sendK/recvK.",
1419 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1421 if(has_id(source_p
))
1422 del_from_id_hash(source_p
->id
, source_p
);
1424 del_from_client_hash(source_p
->name
, source_p
);
1425 remove_client_from_list(source_p
);
1426 scache_split(source_p
->serv
->nameinfo
);
1429 rb_dlinkAddAlloc(source_p
, &dead_list
);
1435 * This assumes IsPerson(source_p) == TRUE && MyConnect(source_p) == TRUE
1439 exit_local_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1440 const char *comment
)
1442 unsigned long on_for
;
1445 exit_generic_client(client_p
, source_p
, from
, comment
);
1446 clear_monitor(source_p
);
1448 s_assert(IsPerson(source_p
));
1449 rb_dlinkDelete(&source_p
->localClient
->tnode
, &lclient_list
);
1450 rb_dlinkDelete(&source_p
->lnode
, &me
.serv
->users
);
1452 if(IsOper(source_p
))
1453 rb_dlinkFindDestroy(source_p
, &local_oper_list
);
1455 sendto_realops_snomask(SNO_CCONN
, L_ALL
,
1456 "Client exiting: %s (%s@%s) [%s] [%s]",
1458 source_p
->username
, source_p
->host
, comment
,
1459 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255");
1461 sendto_realops_snomask(SNO_CCONNEXT
, L_ALL
,
1462 "CLIEXIT %s %s %s %s 0 %s",
1463 source_p
->name
, source_p
->username
, source_p
->host
,
1464 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255",
1467 on_for
= rb_current_time() - source_p
->localClient
->firsttime
;
1469 ilog(L_USER
, "%s (%3lu:%02lu:%02lu): %s!%s@%s %s %d/%d",
1470 rb_ctime(rb_current_time(), tbuf
, sizeof(tbuf
)), on_for
/ 3600,
1471 (on_for
% 3600) / 60, on_for
% 60,
1472 source_p
->name
, source_p
->username
, source_p
->host
,
1474 source_p
->localClient
->sendK
, source_p
->localClient
->receiveK
);
1476 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)", source_p
->host
, comment
);
1477 close_connection(source_p
);
1479 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1481 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1482 ":%s QUIT :%s", use_id(source_p
), comment
);
1486 rb_dlinkAddAlloc(source_p
, &dead_list
);
1487 return(CLIENT_EXITED
);
1492 ** exit_client - This is old "m_bye". Name changed, because this is not a
1493 ** protocol function, but a general server utility function.
1495 ** This function exits a client of *any* type (user, server, etc)
1496 ** from this server. Also, this generates all necessary prototol
1497 ** messages that this exit may cause.
1499 ** 1) If the client is a local client, then this implicitly
1500 ** exits all other clients depending on this connection (e.g.
1501 ** remote clients having 'from'-field that points to this.
1503 ** 2) If the client is a remote client, then only this is exited.
1505 ** For convenience, this function returns a suitable value for
1506 ** m_function return value:
1508 ** CLIENT_EXITED if (client_p == source_p)
1509 ** 0 if (client_p != source_p)
1512 exit_client(struct Client
*client_p
, /* The local client originating the
1513 * exit or NULL, if this exit is
1514 * generated by this server for
1516 * This will not get any of the
1517 * generated messages. */
1518 struct Client
*source_p
, /* Client exiting */
1519 struct Client
*from
, /* Client firing off this Exit,
1521 const char *comment
/* Reason for the exit */
1524 hook_data_client_exit hdata
;
1525 if(IsClosing(source_p
))
1528 /* note, this HAS to be here, when we exit a client we attempt to
1529 * send them data, if this generates a write error we must *not* add
1530 * them to the abort list --fl
1532 SetClosing(source_p
);
1534 hdata
.local_link
= client_p
;
1535 hdata
.target
= source_p
;
1537 hdata
.comment
= comment
;
1538 call_hook(h_client_exit
, &hdata
);
1540 if(MyConnect(source_p
))
1542 /* Local clients of various types */
1543 if(IsPerson(source_p
))
1544 return exit_local_client(client_p
, source_p
, from
, comment
);
1545 else if(IsServer(source_p
))
1546 return exit_local_server(client_p
, source_p
, from
, comment
);
1547 /* IsUnknown || IsConnecting || IsHandShake */
1548 else if(!IsReject(source_p
))
1549 return exit_unknown_client(client_p
, source_p
, from
, comment
);
1554 if(IsPerson(source_p
))
1555 return exit_remote_client(client_p
, source_p
, from
, comment
);
1556 else if(IsServer(source_p
))
1557 return exit_remote_server(client_p
, source_p
, from
, comment
);
1564 * Count up local client memory
1567 /* XXX one common Client list now */
1569 count_local_client_memory(size_t * count
, size_t * local_client_memory_used
)
1572 rb_bh_usage(lclient_heap
, count
, NULL
, &lusage
, NULL
);
1573 *local_client_memory_used
= lusage
+ (*count
* (sizeof(void *) + sizeof(struct Client
)));
1577 * Count up remote client memory
1580 count_remote_client_memory(size_t * count
, size_t * remote_client_memory_used
)
1582 size_t lcount
, rcount
;
1583 rb_bh_usage(lclient_heap
, &lcount
, NULL
, NULL
, NULL
);
1584 rb_bh_usage(client_heap
, &rcount
, NULL
, NULL
, NULL
);
1585 *count
= rcount
- lcount
;
1586 *remote_client_memory_used
= *count
* (sizeof(void *) + sizeof(struct Client
));
1591 * accept processing, this adds a form of "caller ID" to ircd
1593 * If a client puts themselves into "caller ID only" mode,
1594 * only clients that match a client pointer they have put on
1595 * the accept list will be allowed to message them.
1597 * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1599 * [target.allow_list] -> [ source1 ] -> [source2 ]
1601 * i.e. a target will have a link list of source pointers it will allow
1602 * each source client then has a back pointer pointing back
1603 * to the client that has it on its accept list.
1604 * This allows for exit_one_client to remove these now bogus entries
1605 * from any client having an accept on them.
1610 * inputs - pointer to exiting client
1612 * side effects - Walk through given clients allow_list and on_allow_list
1613 * remove all references to this client
1616 del_all_accepts(struct Client
*client_p
)
1619 rb_dlink_node
*next_ptr
;
1620 struct Client
*target_p
;
1622 if(MyClient(client_p
) && client_p
->localClient
->allow_list
.head
)
1624 /* clear this clients accept list, and remove them from
1625 * everyones on_accept_list
1627 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->localClient
->allow_list
.head
)
1629 target_p
= ptr
->data
;
1630 rb_dlinkFindDestroy(client_p
, &target_p
->on_allow_list
);
1631 rb_dlinkDestroy(ptr
, &client_p
->localClient
->allow_list
);
1635 /* remove this client from everyones accept list */
1636 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->on_allow_list
.head
)
1638 target_p
= ptr
->data
;
1639 rb_dlinkFindDestroy(client_p
, &target_p
->localClient
->allow_list
);
1640 rb_dlinkDestroy(ptr
, &client_p
->on_allow_list
);
1645 * show_ip() - asks if the true IP should be shown when source is
1646 * asking for info about target
1648 * Inputs - source_p who is asking
1649 * - target_p who do we want the info on
1650 * Output - returns 1 if clear IP can be shown, otherwise 0
1651 * Side Effects - none
1655 show_ip(struct Client
*source_p
, struct Client
*target_p
)
1657 if(IsAnyServer(target_p
))
1661 else if(IsIPSpoof(target_p
))
1663 /* source == NULL indicates message is being sent
1666 if(!ConfigFileEntry
.hide_spoof_ips
&&
1667 (source_p
== NULL
|| MyOper(source_p
)))
1671 else if(IsDynSpoof(target_p
) && (source_p
!= NULL
&& !IsOper(source_p
)))
1678 show_ip_conf(struct ConfItem
*aconf
, struct Client
*source_p
)
1680 if(IsConfDoSpoofIp(aconf
))
1682 if(!ConfigFileEntry
.hide_spoof_ips
&& MyOper(source_p
))
1694 * inputs - pointer to client struct
1695 * output - pointer to struct User
1696 * side effects - add's an User information block to a client
1697 * if it was not previously allocated.
1700 make_user(struct Client
*client_p
)
1704 user
= client_p
->user
;
1707 user
= (struct User
*) rb_bh_alloc(user_heap
);
1709 client_p
->user
= user
;
1717 * inputs - pointer to client struct
1718 * output - pointer to server_t
1719 * side effects - add's an Server information block to a client
1720 * if it was not previously allocated.
1723 make_server(struct Client
*client_p
)
1725 struct Server
*serv
= client_p
->serv
;
1729 serv
= (struct Server
*) rb_malloc(sizeof(struct Server
));
1730 client_p
->serv
= serv
;
1732 return client_p
->serv
;
1738 * inputs - pointer to user struct
1739 * - pointer to client struct
1741 * side effects - Decrease user reference count by one and release block,
1742 * if count reaches 0
1745 free_user(struct User
*user
, struct Client
*client_p
)
1747 free_away(client_p
);
1749 if(--user
->refcnt
<= 0)
1752 rb_free((char *) user
->away
);
1756 if(user
->refcnt
< 0 || user
->invited
.head
|| user
->channel
.head
)
1758 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1759 "* %#lx user (%s!%s@%s) %#lx %#lx %#lx %lu %d *",
1760 (unsigned long) client_p
,
1761 client_p
? client_p
->
1765 (unsigned long) user
,
1766 (unsigned long) user
->invited
.head
,
1767 (unsigned long) user
->channel
.head
,
1768 rb_dlink_list_length(&user
->channel
),
1770 s_assert(!user
->refcnt
);
1771 s_assert(!user
->invited
.head
);
1772 s_assert(!user
->channel
.head
);
1775 rb_bh_free(user_heap
, user
);
1780 allocate_away(struct Client
*client_p
)
1782 if(client_p
->user
->away
== NULL
)
1783 client_p
->user
->away
= rb_bh_alloc(away_heap
);
1788 free_away(struct Client
*client_p
)
1790 if(client_p
->user
!= NULL
&& client_p
->user
->away
!= NULL
) {
1791 rb_bh_free(away_heap
, client_p
->user
->away
);
1792 client_p
->user
->away
= NULL
;
1801 for(i
= 0; i
< 3; i
++)
1802 current_uid
[i
] = me
.id
[i
];
1804 for(i
= 3; i
< 9; i
++)
1805 current_uid
[i
] = 'A';
1807 current_uid
[9] = '\0';
1816 for(i
= 8; i
> 3; i
--)
1818 if(current_uid
[i
] == 'Z')
1820 current_uid
[i
] = '0';
1823 else if(current_uid
[i
] != '9')
1829 current_uid
[i
] = 'A';
1832 /* if this next if() triggers, we're fucked. */
1833 if(current_uid
[3] == 'Z')
1835 current_uid
[i
] = 'A';
1846 * Close the physical connection. This function must make
1847 * MyConnect(client_p) == FALSE, and set client_p->from == NULL.
1850 close_connection(struct Client
*client_p
)
1852 s_assert(client_p
!= NULL
);
1853 if(client_p
== NULL
)
1856 s_assert(MyConnect(client_p
));
1857 if(!MyConnect(client_p
))
1860 if(IsServer(client_p
))
1862 struct server_conf
*server_p
;
1864 ServerStats
.is_sv
++;
1865 ServerStats
.is_sbs
+= client_p
->localClient
->sendB
;
1866 ServerStats
.is_sbr
+= client_p
->localClient
->receiveB
;
1867 ServerStats
.is_sti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1870 * If the connection has been up for a long amount of time, schedule
1871 * a 'quick' reconnect, else reset the next-connect cycle.
1873 if((server_p
= find_server_conf(client_p
->name
)) != NULL
)
1876 * Reschedule a faster reconnect, if this was a automatically
1877 * connected configuration entry. (Note that if we have had
1878 * a rehash in between, the status has been changed to
1879 * CONF_ILLEGAL). But only do this if it was a "good" link.
1881 server_p
->hold
= time(NULL
);
1883 (server_p
->hold
- client_p
->localClient
->lasttime
>
1884 HANGONGOODLINK
) ? HANGONRETRYDELAY
: ConFreq(server_p
->class);
1888 else if(IsClient(client_p
))
1890 ServerStats
.is_cl
++;
1891 ServerStats
.is_cbs
+= client_p
->localClient
->sendB
;
1892 ServerStats
.is_cbr
+= client_p
->localClient
->receiveB
;
1893 ServerStats
.is_cti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1896 ServerStats
.is_ni
++;
1898 if(client_p
->localClient
->F
!= NULL
)
1900 /* attempt to flush any pending dbufs. Evil, but .. -- adrian */
1901 if(!IsIOError(client_p
))
1902 send_queued(client_p
);
1904 del_from_cli_fd_hash(client_p
);
1905 rb_close(client_p
->localClient
->F
);
1906 client_p
->localClient
->F
= NULL
;
1909 rb_linebuf_donebuf(&client_p
->localClient
->buf_sendq
);
1910 rb_linebuf_donebuf(&client_p
->localClient
->buf_recvq
);
1911 detach_conf(client_p
);
1913 /* XXX shouldnt really be done here. */
1914 detach_server_conf(client_p
);
1916 client_p
->from
= NULL
; /* ...this should catch them! >:) --msa */
1917 ClearMyConnect(client_p
);
1918 SetIOError(client_p
);
1924 error_exit_client(struct Client
*client_p
, int error
)
1927 * ...hmm, with non-blocking sockets we might get
1928 * here from quite valid reasons, although.. why
1929 * would select report "data available" when there
1930 * wasn't... so, this must be an error anyway... --msa
1931 * actually, EOF occurs when read() returns 0 and
1932 * in due course, select() returns that fd as ready
1933 * for reading even though it ends up being an EOF. -avalon
1936 int current_error
= rb_get_sockerr(client_p
->localClient
->F
);
1938 SetIOError(client_p
);
1940 if(IsServer(client_p
) || IsHandshake(client_p
))
1944 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1945 "Server %s closed the connection",
1948 ilog(L_SERVER
, "Server %s closed the connection",
1949 log_client_name(client_p
, SHOW_IP
));
1953 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1954 "Lost connection to %s: %s",
1955 client_p
->name
, strerror(current_error
));
1956 ilog(L_SERVER
, "Lost connection to %s: %s",
1957 log_client_name(client_p
, SHOW_IP
), strerror(current_error
));
1962 rb_strlcpy(errmsg
, "Remote host closed the connection", sizeof(errmsg
));
1964 rb_snprintf(errmsg
, sizeof(errmsg
), "Read error: %s", strerror(current_error
));
1966 exit_client(client_p
, client_p
, &me
, errmsg
);