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"
59 #define DEBUG_EXITED_CLIENTS
61 static void check_pings_list(rb_dlink_list
* list
);
62 static void check_unknowns_list(rb_dlink_list
* list
);
63 static void free_exited_clients(void *unused
);
64 static void exit_aborted_clients(void *unused
);
66 static int exit_remote_client(struct Client
*, struct Client
*, struct Client
*,const char *);
67 static int exit_remote_server(struct Client
*, struct Client
*, struct Client
*,const char *);
68 static int exit_local_client(struct Client
*, struct Client
*, struct Client
*,const char *);
69 static int exit_unknown_client(struct Client
*, struct Client
*, struct Client
*,const char *);
70 static int exit_local_server(struct Client
*, struct Client
*, struct Client
*,const char *);
71 static int qs_server(struct Client
*, struct Client
*, struct Client
*, const char *comment
);
73 static EVH check_pings
;
75 static rb_bh
*client_heap
= NULL
;
76 static rb_bh
*lclient_heap
= NULL
;
77 static rb_bh
*pclient_heap
= NULL
;
78 static rb_bh
*user_heap
= NULL
;
79 static rb_bh
*away_heap
= NULL
;
80 static char current_uid
[IDLEN
];
82 struct Dictionary
*nd_dict
= NULL
;
90 rb_dlink_list dead_list
;
91 #ifdef DEBUG_EXITED_CLIENTS
92 static rb_dlink_list dead_remote_list
;
98 struct Client
*client
;
99 char notice
[REASONLEN
];
102 static rb_dlink_list abort_list
;
110 * side effects - initialize client free memory
116 * start off the check ping event .. -- adrian
117 * Every 30 seconds is plenty -- db
119 client_heap
= rb_bh_create(sizeof(struct Client
), CLIENT_HEAP_SIZE
, "client_heap");
120 lclient_heap
= rb_bh_create(sizeof(struct LocalUser
), LCLIENT_HEAP_SIZE
, "lclient_heap");
121 pclient_heap
= rb_bh_create(sizeof(struct PreClient
), PCLIENT_HEAP_SIZE
, "pclient_heap");
122 user_heap
= rb_bh_create(sizeof(struct User
), USER_HEAP_SIZE
, "user_heap");
123 away_heap
= rb_bh_create(AWAYLEN
, AWAY_HEAP_SIZE
, "away_heap");
125 rb_event_addish("check_pings", check_pings
, NULL
, 30);
126 rb_event_addish("free_exited_clients", &free_exited_clients
, NULL
, 4);
127 rb_event_addish("exit_aborted_clients", exit_aborted_clients
, NULL
, 1);
128 rb_event_add("flood_recalc", flood_recalc
, NULL
, 1);
130 nd_dict
= irc_dictionary_create(irccmp
);
135 * make_client - create a new Client struct and set it to initial state.
137 * from == NULL, create local client (a client connected
140 * from, create remote client (behind a socket
141 * associated with the client defined by
142 * 'from'). ('from' is a local client!!).
145 make_client(struct Client
*from
)
147 struct Client
*client_p
= NULL
;
148 struct LocalUser
*localClient
;
150 client_p
= rb_bh_alloc(client_heap
);
154 client_p
->from
= client_p
; /* 'from' of local client is self! */
156 localClient
= rb_bh_alloc(lclient_heap
);
157 SetMyConnect(client_p
);
158 client_p
->localClient
= localClient
;
160 client_p
->localClient
->lasttime
= client_p
->localClient
->firsttime
= rb_current_time();
162 client_p
->localClient
->F
= NULL
;
164 client_p
->preClient
= rb_bh_alloc(pclient_heap
);;
166 /* as good a place as any... */
167 rb_dlinkAdd(client_p
, &client_p
->localClient
->tnode
, &unknown_list
);
170 { /* from is not NULL */
171 client_p
->localClient
= NULL
;
172 client_p
->preClient
= NULL
;
173 client_p
->from
= from
; /* 'from' of local client is self! */
176 SetUnknown(client_p
);
177 strcpy(client_p
->username
, "unknown");
183 free_pre_client(struct Client
*client_p
)
185 struct Blacklist
*blptr
;
187 s_assert(NULL
!= client_p
);
189 if(client_p
->preClient
== NULL
)
192 blptr
= client_p
->preClient
->dnsbl_listed
;
194 unref_blacklist(blptr
);
195 abort_blacklist_queries(client_p
);
196 rb_bh_free(pclient_heap
, client_p
->preClient
);
197 client_p
->preClient
= NULL
;
201 free_local_client(struct Client
*client_p
)
203 s_assert(NULL
!= client_p
);
204 s_assert(&me
!= client_p
);
206 if(client_p
->localClient
== NULL
)
210 * clean up extra sockets from P-lines which have been discarded.
212 if(client_p
->localClient
->listener
)
214 s_assert(0 < client_p
->localClient
->listener
->ref_count
);
215 if(0 == --client_p
->localClient
->listener
->ref_count
216 && !client_p
->localClient
->listener
->active
)
217 free_listener(client_p
->localClient
->listener
);
218 client_p
->localClient
->listener
= 0;
221 if(client_p
->localClient
->F
!= NULL
)
223 del_from_cli_fd_hash(client_p
);
224 rb_close(client_p
->localClient
->F
);
227 if(client_p
->localClient
->passwd
)
229 memset(client_p
->localClient
->passwd
, 0,
230 strlen(client_p
->localClient
->passwd
));
231 rb_free(client_p
->localClient
->passwd
);
234 rb_free(client_p
->localClient
->challenge
);
235 rb_free(client_p
->localClient
->fullcaps
);
236 rb_free(client_p
->localClient
->opername
);
237 rb_free(client_p
->localClient
->mangledhost
);
238 if (client_p
->localClient
->privset
)
239 privilegeset_unref(client_p
->localClient
->privset
);
242 ssld_decrement_clicount(client_p
->localClient
->ssl_ctl
);
244 if(IsCapable(client_p
, CAP_ZIP
))
245 ssld_decrement_clicount(client_p
->localClient
->z_ctl
);
247 rb_bh_free(lclient_heap
, client_p
->localClient
);
248 client_p
->localClient
= NULL
;
252 free_client(struct Client
*client_p
)
254 s_assert(NULL
!= client_p
);
255 s_assert(&me
!= client_p
);
256 free_local_client(client_p
);
257 free_pre_client(client_p
);
258 rb_bh_free(client_heap
, client_p
);
262 * check_pings - go through the local client list and check activity
263 * kill off stuff that should die
265 * inputs - NOT USED (from event)
266 * output - next time_t when check_pings() should be called again
270 * A PING can be sent to clients as necessary.
272 * Client/Server ping outs are handled.
276 * Addon from adrian. We used to call this after nextping seconds,
277 * however I've changed it to run once a second. This is only for
278 * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
279 * run once a second makes life a lot easier - when a new client connects
280 * and they need a ping in 4 seconds, if nextping was set to 20 seconds
281 * we end up waiting 20 seconds. This is stupid. :-)
282 * I will optimise (hah!) check_pings() once I've finished working on
283 * tidying up other network IO evilnesses.
288 check_pings(void *notused
)
290 check_pings_list(&lclient_list
);
291 check_pings_list(&serv_list
);
292 check_unknowns_list(&unknown_list
);
298 * inputs - pointer to list to check
303 check_pings_list(rb_dlink_list
* list
)
305 char scratch
[32]; /* way too generous but... */
306 struct Client
*client_p
; /* current local client_p being examined */
307 int ping
= 0; /* ping time value from client */
308 rb_dlink_node
*ptr
, *next_ptr
;
310 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
312 client_p
= ptr
->data
;
314 if(!MyConnect(client_p
) || IsDead(client_p
))
317 ping
= get_client_ping(client_p
);
319 if(ping
< (rb_current_time() - client_p
->localClient
->lasttime
))
322 * If the client/server hasnt talked to us in 2*ping seconds
323 * and it has a ping time, then close its connection.
325 if(((rb_current_time() - client_p
->localClient
->lasttime
) >= (2 * ping
)
326 && (client_p
->flags
& FLAGS_PINGSENT
)))
328 if(IsServer(client_p
))
330 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
331 "No response from %s, closing link",
334 "No response from %s, closing link",
335 log_client_name(client_p
, HIDE_IP
));
337 (void) rb_snprintf(scratch
, sizeof(scratch
),
338 "Ping timeout: %d seconds",
339 (int) (rb_current_time() - client_p
->localClient
->lasttime
));
341 exit_client(client_p
, client_p
, &me
, scratch
);
344 else if((client_p
->flags
& FLAGS_PINGSENT
) == 0)
347 * if we havent PINGed the connection and we havent
348 * heard from it in a while, PING it to make sure
351 client_p
->flags
|= FLAGS_PINGSENT
;
352 /* not nice but does the job */
353 client_p
->localClient
->lasttime
= rb_current_time() - ping
;
354 sendto_one(client_p
, "PING :%s", me
.name
);
363 * check_unknowns_list
365 * inputs - pointer to list of unknown clients
367 * side effects - unknown clients get marked for termination after n seconds
370 check_unknowns_list(rb_dlink_list
* list
)
372 rb_dlink_node
*ptr
, *next_ptr
;
373 struct Client
*client_p
;
376 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
378 client_p
= ptr
->data
;
380 if(IsDead(client_p
) || IsClosing(client_p
))
383 /* still has DNSbls to validate against */
384 if(client_p
->preClient
!= NULL
&&
385 rb_dlink_list_length(&client_p
->preClient
->dnsbl_queries
) > 0)
389 * Check UNKNOWN connections - if they have been in this state
390 * for > 30s, close them.
393 timeout
= IsAnyServer(client_p
) ? ConfigFileEntry
.connect_timeout
: 30;
394 if((rb_current_time() - client_p
->localClient
->firsttime
) > timeout
)
396 if(IsAnyServer(client_p
))
398 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) ? L_NETWIDE
: L_ALL
,
399 "No response from %s, closing link",
402 "No response from %s, closing link",
403 log_client_name(client_p
, HIDE_IP
));
405 exit_client(client_p
, client_p
, &me
, "Connection timed out");
411 notify_banned_client(struct Client
*client_p
, struct ConfItem
*aconf
, int ban
)
413 static const char conn_closed
[] = "Connection closed";
414 static const char d_lined
[] = "D-lined";
415 static const char k_lined
[] = "K-lined";
416 const char *reason
= NULL
;
417 const char *exit_reason
= conn_closed
;
419 if(ConfigFileEntry
.kline_with_reason
&& !EmptyString(aconf
->passwd
))
421 reason
= aconf
->passwd
;
422 exit_reason
= aconf
->passwd
;
426 reason
= aconf
->status
== D_LINED
? d_lined
: k_lined
;
429 if(ban
== D_LINED
&& !IsPerson(client_p
))
430 sendto_one(client_p
, "NOTICE DLINE :*** You have been D-lined");
432 sendto_one(client_p
, form_str(ERR_YOUREBANNEDCREEP
),
433 me
.name
, client_p
->name
, reason
);
435 exit_client(client_p
, client_p
, &me
,
436 EmptyString(ConfigFileEntry
.kline_reason
) ? exit_reason
:
437 ConfigFileEntry
.kline_reason
);
444 * side effects - Check all connections for a pending k/dline against the
445 * client, exit the client if found.
448 check_banned_lines(void)
450 struct Client
*client_p
; /* current local client_p being examined */
451 struct ConfItem
*aconf
= NULL
;
452 rb_dlink_node
*ptr
, *next_ptr
;
454 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
456 client_p
= ptr
->data
;
461 /* if there is a returned struct ConfItem then kill it */
462 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
, client_p
->localClient
->ip
.ss_family
)))
464 if(aconf
->status
& CONF_EXEMPTDLINE
)
467 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
468 "DLINE active for %s",
469 get_client_name(client_p
, HIDE_IP
));
471 notify_banned_client(client_p
, aconf
, D_LINED
);
472 continue; /* and go examine next fd/client_p */
475 if(!IsPerson(client_p
))
478 if((aconf
= find_kline(client_p
)) != NULL
)
480 if(IsExemptKline(client_p
))
482 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
483 "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
484 get_client_name(client_p
, HIDE_IP
),
485 aconf
->user
, aconf
->host
);
489 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
490 "KLINE active for %s",
491 get_client_name(client_p
, HIDE_IP
));
492 notify_banned_client(client_p
, aconf
, K_LINED
);
495 else if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
497 if(IsExemptKline(client_p
))
499 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
500 "XLINE over-ruled for %s, client is kline_exempt [%s]",
501 get_client_name(client_p
, HIDE_IP
),
506 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "XLINE active for %s",
507 get_client_name(client_p
, HIDE_IP
));
509 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
514 /* also check the unknowns list for new dlines */
515 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
517 client_p
= ptr
->data
;
519 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)))
521 if(aconf
->status
& CONF_EXEMPTDLINE
)
524 notify_banned_client(client_p
, aconf
, D_LINED
);
530 /* check_klines_event()
534 * side effects - check_klines() is called, kline_queued unset
537 check_klines_event(void *unused
)
547 * side effects - all clients will be checked for klines
552 struct Client
*client_p
;
553 struct ConfItem
*aconf
;
555 rb_dlink_node
*next_ptr
;
557 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
559 client_p
= ptr
->data
;
561 if(IsMe(client_p
) || !IsPerson(client_p
))
564 if((aconf
= find_kline(client_p
)) != NULL
)
566 if(IsExemptKline(client_p
))
568 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
569 "KLINE over-ruled for %s, client is kline_exempt",
570 get_client_name(client_p
, HIDE_IP
));
574 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
575 "KLINE active for %s",
576 get_client_name(client_p
, HIDE_IP
));
578 notify_banned_client(client_p
, aconf
, K_LINED
);
588 * side effects - all clients will be checked for dlines
593 struct Client
*client_p
;
594 struct ConfItem
*aconf
;
596 rb_dlink_node
*next_ptr
;
598 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
600 client_p
= ptr
->data
;
605 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
607 if(aconf
->status
& CONF_EXEMPTDLINE
)
610 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
611 "DLINE active for %s",
612 get_client_name(client_p
, HIDE_IP
));
614 notify_banned_client(client_p
, aconf
, D_LINED
);
619 /* dlines need to be checked against unknowns too */
620 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
622 client_p
= ptr
->data
;
624 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
626 if(aconf
->status
& CONF_EXEMPTDLINE
)
629 notify_banned_client(client_p
, aconf
, D_LINED
);
638 * side effects - all clients will be checked for xlines
643 struct Client
*client_p
;
644 struct ConfItem
*aconf
;
646 rb_dlink_node
*next_ptr
;
648 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
650 client_p
= ptr
->data
;
652 if(IsMe(client_p
) || !IsPerson(client_p
))
655 if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
657 if(IsExemptKline(client_p
))
659 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
660 "XLINE over-ruled for %s, client is kline_exempt",
661 get_client_name(client_p
, HIDE_IP
));
665 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "XLINE active for %s",
666 get_client_name(client_p
, HIDE_IP
));
668 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
675 * update_client_exit_stats
677 * input - pointer to client
682 update_client_exit_stats(struct Client
*client_p
)
684 if(IsServer(client_p
))
686 sendto_realops_snomask(SNO_EXTERNAL
, L_ALL
,
687 "Server %s split from %s",
688 client_p
->name
, client_p
->servptr
->name
);
689 if(HasSentEob(client_p
))
692 else if(IsClient(client_p
))
697 if(IsInvisible(client_p
))
701 if(splitchecking
&& !splitmode
)
702 check_splitmode(NULL
);
706 * release_client_state
708 * input - pointer to client to release
713 release_client_state(struct Client
*client_p
)
715 if(client_p
->user
!= NULL
)
717 free_user(client_p
->user
, client_p
); /* try this here */
721 if(client_p
->serv
->user
!= NULL
)
722 free_user(client_p
->serv
->user
, client_p
);
723 if(client_p
->serv
->fullcaps
)
724 rb_free(client_p
->serv
->fullcaps
);
725 rb_free(client_p
->serv
);
730 * remove_client_from_list
731 * inputs - point to client to remove
733 * side effects - taken the code from ExitOneClient() for this
734 * and placed it here. - avalon
737 remove_client_from_list(struct Client
*client_p
)
739 s_assert(NULL
!= client_p
);
744 /* A client made with make_client()
745 * is on the unknown_list until removed.
746 * If it =does= happen to exit before its removed from that list
747 * and its =not= on the global_client_list, it will core here.
748 * short circuit that case now -db
750 if(client_p
->node
.prev
== NULL
&& client_p
->node
.next
== NULL
)
753 rb_dlinkDelete(&client_p
->node
, &global_client_list
);
755 update_client_exit_stats(client_p
);
760 * find_person - find person by (nick)name.
761 * inputs - pointer to name
762 * output - return client pointer
766 find_person(const char *name
)
768 struct Client
*c2ptr
;
770 c2ptr
= find_client(name
);
772 if(c2ptr
&& IsPerson(c2ptr
))
778 find_named_person(const char *name
)
780 struct Client
*c2ptr
;
782 c2ptr
= find_named_client(name
);
784 if(c2ptr
&& IsPerson(c2ptr
))
791 * find_chasing - find the client structure for a nick name (user)
792 * using history mechanism if necessary. If the client is not found,
793 * an error message (NO SUCH NICK) is generated. If the client was found
794 * through the history, chasing will be 1 and otherwise 0.
797 find_chasing(struct Client
*source_p
, const char *user
, int *chasing
)
801 if(MyClient(source_p
))
802 who
= find_named_person(user
);
804 who
= find_person(user
);
809 if(who
|| IsDigit(*user
))
812 if(!(who
= get_history(user
, (long) KILLCHASETIMELIMIT
)))
814 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
815 form_str(ERR_NOSUCHNICK
), user
);
824 * get_client_name - Return the name of the client
825 * for various tracking and
826 * admin purposes. The main purpose of this function is to
827 * return the "socket host" name of the client, if that
828 * differs from the advertised name (other than case).
829 * But, this can be used to any client structure.
832 * Watch out the allocation of "nbuf", if either source_p->name
833 * or source_p->sockhost gets changed into pointers instead of
834 * directly allocated within the structure...
837 * Function return either a pointer to the structure (source_p) or
838 * to internal buffer (nbuf). *NEVER* use the returned pointer
839 * to modify what it points!!!
843 get_client_name(struct Client
*client
, int showip
)
845 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
847 s_assert(NULL
!= client
);
851 if(MyConnect(client
))
853 if(!irccmp(client
->name
, client
->host
))
856 if(ConfigFileEntry
.hide_spoof_ips
&&
857 showip
== SHOW_IP
&& IsIPSpoof(client
))
859 if(IsAnyServer(client
))
862 /* And finally, let's get the host information, ip or name */
866 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
867 client
->name
, client
->username
,
871 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
872 client
->name
, client
->username
);
875 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
876 client
->name
, client
->username
, client
->host
);
881 /* As pointed out by Adel Mezibra
882 * Neph|l|m@EFnet. Was missing a return here.
889 * This version is the same as get_client_name, but doesnt contain the
890 * code that will hide IPs always. This should be used for logfiles.
893 log_client_name(struct Client
*target_p
, int showip
)
895 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
900 if(MyConnect(target_p
))
902 if(irccmp(target_p
->name
, target_p
->host
) == 0)
903 return target_p
->name
;
908 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
909 target_p
->username
, target_p
->sockhost
);
913 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
914 target_p
->name
, target_p
->username
);
917 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
918 target_p
->username
, target_p
->host
);
924 return target_p
->name
;
927 /* is_remote_connect - Returns whether a server was /connect'ed by a remote
928 * oper (send notices netwide) */
930 is_remote_connect(struct Client
*client_p
)
934 if (client_p
->serv
== NULL
)
936 oper
= find_named_person(client_p
->serv
->by
);
937 return oper
!= NULL
&& IsOper(oper
) && !MyConnect(oper
);
941 free_exited_clients(void *unused
)
943 rb_dlink_node
*ptr
, *next
;
944 struct Client
*target_p
;
946 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_list
.head
)
948 target_p
= ptr
->data
;
950 #ifdef DEBUG_EXITED_CLIENTS
952 struct abort_client
*abt
;
956 RB_DLINK_FOREACH(aptr
, abort_list
.head
)
959 if(abt
->client
== target_p
)
962 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
963 "On abort_list: %s stat: %u flags: %u/%u handler: %c",
964 target_p
->name
, (unsigned int) target_p
->status
,
965 target_p
->flags
, target_p
->flags2
, target_p
->handler
);
966 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
967 "Please report this to the charybdis developers!");
974 rb_dlinkDestroy(ptr
, &dead_list
);
980 if(ptr
->data
== NULL
)
982 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
983 "Warning: null client on dead_list!");
984 rb_dlinkDestroy(ptr
, &dead_list
);
987 release_client_state(target_p
);
988 free_client(target_p
);
989 rb_dlinkDestroy(ptr
, &dead_list
);
992 #ifdef DEBUG_EXITED_CLIENTS
993 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_remote_list
.head
)
995 target_p
= ptr
->data
;
997 if(ptr
->data
== NULL
)
999 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1000 "Warning: null client on dead_list!");
1001 rb_dlinkDestroy(ptr
, &dead_list
);
1004 release_client_state(target_p
);
1005 free_client(target_p
);
1006 rb_dlinkDestroy(ptr
, &dead_remote_list
);
1013 ** Recursively send QUITs and SQUITs for source_p and all its dependent clients
1014 ** and servers to those servers that need them. A server needs the client
1015 ** QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
1016 ** isn't getting the SQUIT because of @#(*&@)# hostmasking. With TS4, once
1017 ** a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
1018 ** on that one -orabidoo
1021 recurse_send_quits(struct Client
*client_p
, struct Client
*source_p
,
1022 struct Client
*to
, const char *comment1
,
1023 const char *comment
)
1025 struct Client
*target_p
;
1026 rb_dlink_node
*ptr
, *ptr_next
;
1027 /* If this server can handle quit storm (QS) removal
1028 * of dependents, just send the SQUIT
1031 if(IsCapable(to
, CAP_QS
))
1033 sendto_one(to
, "SQUIT %s :%s",
1034 get_id(source_p
, to
), comment
);
1038 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1040 target_p
= ptr
->data
;
1041 sendto_one(to
, ":%s QUIT :%s", target_p
->name
, comment1
);
1043 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1045 target_p
= ptr
->data
;
1046 recurse_send_quits(client_p
, target_p
, to
, comment1
, comment
);
1048 sendto_one(to
, "SQUIT %s :%s", source_p
->name
, comment
);
1053 ** Remove all clients that depend on source_p; assumes all (S)QUITs have
1054 ** already been sent. we make sure to exit a server's dependent clients
1055 ** and servers before the server itself; exit_one_client takes care of
1056 ** actually removing things off llists. tweaked from +CSr31 -orabidoo
1059 * added sanity test code.... source_p->serv might be NULL...
1062 recurse_remove_clients(struct Client
*source_p
, const char *comment
)
1064 struct Client
*target_p
;
1065 rb_dlink_node
*ptr
, *ptr_next
;
1070 if(source_p
->serv
== NULL
) /* oooops. uh this is actually a major bug */
1073 /* this is very ugly, but it saves cpu :P */
1074 if(ConfigFileEntry
.nick_delay
> 0)
1076 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1078 target_p
= ptr
->data
;
1079 target_p
->flags
|= FLAGS_KILLED
;
1080 add_nd_entry(target_p
->name
);
1082 if(!IsDead(target_p
) && !IsClosing(target_p
))
1083 exit_remote_client(NULL
, target_p
, &me
, comment
);
1088 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1090 target_p
= ptr
->data
;
1091 target_p
->flags
|= FLAGS_KILLED
;
1093 if(!IsDead(target_p
) && !IsClosing(target_p
))
1094 exit_remote_client(NULL
, target_p
, &me
, comment
);
1098 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1100 target_p
= ptr
->data
;
1101 recurse_remove_clients(target_p
, comment
);
1102 qs_server(NULL
, target_p
, &me
, comment
);
1107 ** Remove *everything* that depends on source_p, from all lists, and sending
1108 ** all necessary QUITs and SQUITs. source_p itself is still on the lists,
1109 ** and its SQUITs have been sent except for the upstream one -orabidoo
1112 remove_dependents(struct Client
*client_p
,
1113 struct Client
*source_p
,
1114 struct Client
*from
, const char *comment
, const char *comment1
)
1117 rb_dlink_node
*ptr
, *next
;
1119 RB_DLINK_FOREACH_SAFE(ptr
, next
, serv_list
.head
)
1123 if(IsMe(to
) || to
== source_p
->from
||
1124 (to
== client_p
&& IsCapable(to
, CAP_QS
)))
1127 recurse_send_quits(client_p
, source_p
, to
, comment1
, comment
);
1130 recurse_remove_clients(source_p
, comment1
);
1134 exit_aborted_clients(void *unused
)
1136 struct abort_client
*abt
;
1137 rb_dlink_node
*ptr
, *next
;
1138 RB_DLINK_FOREACH_SAFE(ptr
, next
, abort_list
.head
)
1142 #ifdef DEBUG_EXITED_CLIENTS
1144 if(rb_dlinkFind(abt
->client
, &dead_list
))
1147 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1148 "On dead_list: %s stat: %u flags: %u/%u handler: %c",
1149 abt
->client
->name
, (unsigned int) abt
->client
->status
,
1150 abt
->client
->flags
, abt
->client
->flags2
, abt
->client
->handler
);
1151 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1152 "Please report this to the charybdis developers!");
1158 s_assert(*((unsigned long*)abt
->client
) != 0xdeadbeef); /* This is lame but its a debug thing */
1159 rb_dlinkDelete(ptr
, &abort_list
);
1161 if(IsAnyServer(abt
->client
))
1162 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1163 "Closing link to %s: %s",
1164 abt
->client
->name
, abt
->notice
);
1166 /* its no longer on abort list - we *must* remove
1167 * FLAGS_CLOSING otherwise exit_client() will not run --fl
1169 abt
->client
->flags
&= ~FLAGS_CLOSING
;
1170 exit_client(abt
->client
, abt
->client
, &me
, abt
->notice
);
1177 * dead_link - Adds client to a list of clients that need an exit_client()
1181 dead_link(struct Client
*client_p
)
1183 struct abort_client
*abt
;
1185 s_assert(!IsMe(client_p
));
1186 if(IsDead(client_p
) || IsClosing(client_p
) || IsMe(client_p
))
1189 abt
= (struct abort_client
*) rb_malloc(sizeof(struct abort_client
));
1191 if(client_p
->flags
& FLAGS_SENDQEX
)
1192 rb_strlcpy(abt
->notice
, "Max SendQ exceeded", sizeof(abt
->notice
));
1194 rb_snprintf(abt
->notice
, sizeof(abt
->notice
), "Write error: %s", strerror(errno
));
1196 abt
->client
= client_p
;
1197 SetIOError(client_p
);
1199 SetClosing(client_p
);
1200 rb_dlinkAdd(abt
, &abt
->node
, &abort_list
);
1204 /* This does the remove of the user from channels..local or remote */
1206 exit_generic_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1207 const char *comment
)
1209 rb_dlink_node
*ptr
, *next_ptr
;
1211 if(IsOper(source_p
))
1212 rb_dlinkFindDestroy(source_p
, &oper_list
);
1214 sendto_common_channels_local(source_p
, ":%s!%s@%s QUIT :%s",
1216 source_p
->username
, source_p
->host
, comment
);
1218 remove_user_from_channels(source_p
);
1220 /* Should not be in any channels now */
1221 s_assert(source_p
->user
->channel
.head
== NULL
);
1223 /* Clean up invitefield */
1224 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, source_p
->user
->invited
.head
)
1226 del_invite(ptr
->data
, source_p
);
1229 /* Clean up allow lists */
1230 del_all_accepts(source_p
);
1232 add_history(source_p
, 0);
1233 off_history(source_p
);
1235 monitor_signoff(source_p
);
1237 if(has_id(source_p
))
1238 del_from_id_hash(source_p
->id
, source_p
);
1240 del_from_hostname_hash(source_p
->orighost
, source_p
);
1241 del_from_client_hash(source_p
->name
, source_p
);
1242 remove_client_from_list(source_p
);
1246 * Assumes IsPerson(source_p) && !MyConnect(source_p)
1250 exit_remote_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1251 const char *comment
)
1253 exit_generic_client(client_p
, source_p
, from
, comment
);
1255 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1257 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->users
);
1260 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1262 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1263 ":%s QUIT :%s", use_id(source_p
), comment
);
1267 #ifdef DEBUG_EXITED_CLIENTS
1268 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1270 rb_dlinkAddAlloc(source_p
, &dead_list
);
1272 return(CLIENT_EXITED
);
1276 * This assumes IsUnknown(source_p) == TRUE and MyConnect(source_p) == TRUE
1280 exit_unknown_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1281 const char *comment
)
1283 delete_auth_queries(source_p
);
1284 if (source_p
->localClient
->dnsquery
)
1286 delete_resolver_queries(source_p
->localClient
->dnsquery
);
1287 rb_free(source_p
->localClient
->dnsquery
);
1289 rb_dlinkDelete(&source_p
->localClient
->tnode
, &unknown_list
);
1291 if(!IsIOError(source_p
))
1292 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)",
1293 source_p
->user
!= NULL
? source_p
->host
: "127.0.0.1",
1296 close_connection(source_p
);
1298 if(has_id(source_p
))
1299 del_from_id_hash(source_p
->id
, source_p
);
1301 del_from_hostname_hash(source_p
->host
, source_p
);
1302 del_from_client_hash(source_p
->name
, source_p
);
1303 remove_client_from_list(source_p
);
1305 rb_dlinkAddAlloc(source_p
, &dead_list
);
1307 /* Note that we don't need to add unknowns to the dead_list */
1308 return(CLIENT_EXITED
);
1312 exit_remote_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1313 const char *comment
)
1315 static char comment1
[(HOSTLEN
*2)+2];
1316 static char newcomment
[BUFSIZE
];
1317 struct Client
*target_p
;
1319 if(ConfigServerHide
.flatten_links
)
1320 strcpy(comment1
, "*.net *.split");
1323 strcpy(comment1
, source_p
->servptr
->name
);
1324 strcat(comment1
, " ");
1325 strcat(comment1
, source_p
->name
);
1328 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1329 from
->name
, comment
);
1331 if(source_p
->serv
!= NULL
)
1332 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1334 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1335 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1339 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1340 target_p
= source_p
->from
;
1342 if(target_p
!= NULL
&& IsServer(target_p
) && target_p
!= client_p
&&
1343 !IsMe(target_p
) && (source_p
->flags
& FLAGS_KILLED
) == 0)
1345 sendto_one(target_p
, ":%s SQUIT %s :%s",
1346 get_id(from
, target_p
), get_id(source_p
, target_p
),
1350 if(has_id(source_p
))
1351 del_from_id_hash(source_p
->id
, source_p
);
1353 del_from_client_hash(source_p
->name
, source_p
);
1354 remove_client_from_list(source_p
);
1355 scache_split(source_p
->serv
->nameinfo
);
1358 #ifdef DEBUG_EXITED_CLIENTS
1359 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1361 rb_dlinkAddAlloc(source_p
, &dead_list
);
1367 qs_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1368 const char *comment
)
1370 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1371 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1375 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1377 if(has_id(source_p
))
1378 del_from_id_hash(source_p
->id
, source_p
);
1380 del_from_client_hash(source_p
->name
, source_p
);
1381 remove_client_from_list(source_p
);
1382 scache_split(source_p
->serv
->nameinfo
);
1385 rb_dlinkAddAlloc(source_p
, &dead_list
);
1390 exit_local_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1391 const char *comment
)
1393 static char comment1
[(HOSTLEN
*2)+2];
1394 static char newcomment
[BUFSIZE
];
1395 unsigned int sendk
, recvk
;
1397 rb_dlinkDelete(&source_p
->localClient
->tnode
, &serv_list
);
1398 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1400 unset_chcap_usage_counts(source_p
);
1401 sendk
= source_p
->localClient
->sendK
;
1402 recvk
= source_p
->localClient
->receiveK
;
1404 /* Always show source here, so the server notices show
1405 * which side initiated the split -- jilles
1407 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1408 from
== source_p
? me
.name
: from
->name
, comment
);
1409 if (!IsIOError(source_p
))
1410 sendto_one(source_p
, "SQUIT %s :%s", use_id(source_p
),
1412 if(client_p
!= NULL
&& source_p
!= client_p
&& !IsIOError(source_p
))
1414 sendto_one(source_p
, "ERROR :Closing Link: 127.0.0.1 %s (%s)",
1415 source_p
->name
, comment
);
1418 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1419 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1424 close_connection(source_p
);
1426 if(ConfigServerHide
.flatten_links
)
1427 strcpy(comment1
, "*.net *.split");
1430 strcpy(comment1
, source_p
->servptr
->name
);
1431 strcat(comment1
, " ");
1432 strcat(comment1
, source_p
->name
);
1435 if(source_p
->serv
!= NULL
)
1436 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1438 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "%s was connected"
1439 " for %ld seconds. %d/%d sendK/recvK.",
1440 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1442 ilog(L_SERVER
, "%s was connected for %ld seconds. %d/%d sendK/recvK.",
1443 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1445 if(has_id(source_p
))
1446 del_from_id_hash(source_p
->id
, source_p
);
1448 del_from_client_hash(source_p
->name
, source_p
);
1449 remove_client_from_list(source_p
);
1450 scache_split(source_p
->serv
->nameinfo
);
1453 rb_dlinkAddAlloc(source_p
, &dead_list
);
1459 * This assumes IsPerson(source_p) == TRUE && MyConnect(source_p) == TRUE
1463 exit_local_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1464 const char *comment
)
1466 unsigned long on_for
;
1469 exit_generic_client(client_p
, source_p
, from
, comment
);
1470 clear_monitor(source_p
);
1472 s_assert(IsPerson(source_p
));
1473 rb_dlinkDelete(&source_p
->localClient
->tnode
, &lclient_list
);
1474 rb_dlinkDelete(&source_p
->lnode
, &me
.serv
->users
);
1476 if(IsOper(source_p
))
1477 rb_dlinkFindDestroy(source_p
, &local_oper_list
);
1479 sendto_realops_snomask(SNO_CCONN
, L_ALL
,
1480 "Client exiting: %s (%s@%s) [%s] [%s]",
1482 source_p
->username
, source_p
->host
, comment
,
1483 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255");
1485 sendto_realops_snomask(SNO_CCONNEXT
, L_ALL
,
1486 "CLIEXIT %s %s %s %s 0 %s",
1487 source_p
->name
, source_p
->username
, source_p
->host
,
1488 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255",
1491 on_for
= rb_current_time() - source_p
->localClient
->firsttime
;
1493 ilog(L_USER
, "%s (%3lu:%02lu:%02lu): %s!%s@%s %s %d/%d",
1494 rb_ctime(rb_current_time(), tbuf
, sizeof(tbuf
)), on_for
/ 3600,
1495 (on_for
% 3600) / 60, on_for
% 60,
1496 source_p
->name
, source_p
->username
, source_p
->host
,
1498 source_p
->localClient
->sendK
, source_p
->localClient
->receiveK
);
1500 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)", source_p
->host
, comment
);
1501 close_connection(source_p
);
1503 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1505 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1506 ":%s QUIT :%s", use_id(source_p
), comment
);
1510 rb_dlinkAddAlloc(source_p
, &dead_list
);
1511 return(CLIENT_EXITED
);
1516 ** exit_client - This is old "m_bye". Name changed, because this is not a
1517 ** protocol function, but a general server utility function.
1519 ** This function exits a client of *any* type (user, server, etc)
1520 ** from this server. Also, this generates all necessary prototol
1521 ** messages that this exit may cause.
1523 ** 1) If the client is a local client, then this implicitly
1524 ** exits all other clients depending on this connection (e.g.
1525 ** remote clients having 'from'-field that points to this.
1527 ** 2) If the client is a remote client, then only this is exited.
1529 ** For convenience, this function returns a suitable value for
1530 ** m_function return value:
1532 ** CLIENT_EXITED if (client_p == source_p)
1533 ** 0 if (client_p != source_p)
1536 exit_client(struct Client
*client_p
, /* The local client originating the
1537 * exit or NULL, if this exit is
1538 * generated by this server for
1540 * This will not get any of the
1541 * generated messages. */
1542 struct Client
*source_p
, /* Client exiting */
1543 struct Client
*from
, /* Client firing off this Exit,
1545 const char *comment
/* Reason for the exit */
1548 hook_data_client_exit hdata
;
1549 if(IsClosing(source_p
))
1552 /* note, this HAS to be here, when we exit a client we attempt to
1553 * send them data, if this generates a write error we must *not* add
1554 * them to the abort list --fl
1556 SetClosing(source_p
);
1558 hdata
.local_link
= client_p
;
1559 hdata
.target
= source_p
;
1561 hdata
.comment
= comment
;
1562 call_hook(h_client_exit
, &hdata
);
1564 if(MyConnect(source_p
))
1566 /* Local clients of various types */
1567 if(IsPerson(source_p
))
1568 return exit_local_client(client_p
, source_p
, from
, comment
);
1569 else if(IsServer(source_p
))
1570 return exit_local_server(client_p
, source_p
, from
, comment
);
1571 /* IsUnknown || IsConnecting || IsHandShake */
1572 else if(!IsReject(source_p
))
1573 return exit_unknown_client(client_p
, source_p
, from
, comment
);
1578 if(IsPerson(source_p
))
1579 return exit_remote_client(client_p
, source_p
, from
, comment
);
1580 else if(IsServer(source_p
))
1581 return exit_remote_server(client_p
, source_p
, from
, comment
);
1588 * Count up local client memory
1591 /* XXX one common Client list now */
1593 count_local_client_memory(size_t * count
, size_t * local_client_memory_used
)
1596 rb_bh_usage(lclient_heap
, count
, NULL
, &lusage
, NULL
);
1597 *local_client_memory_used
= lusage
+ (*count
* (sizeof(void *) + sizeof(struct Client
)));
1601 * Count up remote client memory
1604 count_remote_client_memory(size_t * count
, size_t * remote_client_memory_used
)
1606 size_t lcount
, rcount
;
1607 rb_bh_usage(lclient_heap
, &lcount
, NULL
, NULL
, NULL
);
1608 rb_bh_usage(client_heap
, &rcount
, NULL
, NULL
, NULL
);
1609 *count
= rcount
- lcount
;
1610 *remote_client_memory_used
= *count
* (sizeof(void *) + sizeof(struct Client
));
1615 * accept processing, this adds a form of "caller ID" to ircd
1617 * If a client puts themselves into "caller ID only" mode,
1618 * only clients that match a client pointer they have put on
1619 * the accept list will be allowed to message them.
1621 * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1623 * [target.allow_list] -> [ source1 ] -> [source2 ]
1625 * i.e. a target will have a link list of source pointers it will allow
1626 * each source client then has a back pointer pointing back
1627 * to the client that has it on its accept list.
1628 * This allows for exit_one_client to remove these now bogus entries
1629 * from any client having an accept on them.
1634 * inputs - pointer to exiting client
1636 * side effects - Walk through given clients allow_list and on_allow_list
1637 * remove all references to this client
1640 del_all_accepts(struct Client
*client_p
)
1643 rb_dlink_node
*next_ptr
;
1644 struct Client
*target_p
;
1646 if(MyClient(client_p
) && client_p
->localClient
->allow_list
.head
)
1648 /* clear this clients accept list, and remove them from
1649 * everyones on_accept_list
1651 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->localClient
->allow_list
.head
)
1653 target_p
= ptr
->data
;
1654 rb_dlinkFindDestroy(client_p
, &target_p
->on_allow_list
);
1655 rb_dlinkDestroy(ptr
, &client_p
->localClient
->allow_list
);
1659 /* remove this client from everyones accept list */
1660 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->on_allow_list
.head
)
1662 target_p
= ptr
->data
;
1663 rb_dlinkFindDestroy(client_p
, &target_p
->localClient
->allow_list
);
1664 rb_dlinkDestroy(ptr
, &client_p
->on_allow_list
);
1669 * show_ip() - asks if the true IP shoudl be shown when source is
1670 * askin for info about target
1672 * Inputs - source_p who is asking
1673 * - target_p who do we want the info on
1674 * Output - returns 1 if clear IP can be showed, otherwise 0
1675 * Side Effects - none
1679 show_ip(struct Client
*source_p
, struct Client
*target_p
)
1681 if(IsAnyServer(target_p
))
1685 else if(IsIPSpoof(target_p
))
1687 /* source == NULL indicates message is being sent
1690 if(!ConfigFileEntry
.hide_spoof_ips
&&
1691 (source_p
== NULL
|| MyOper(source_p
)))
1695 else if(IsDynSpoof(target_p
) && (source_p
!= NULL
&& !IsOper(source_p
)))
1702 show_ip_conf(struct ConfItem
*aconf
, struct Client
*source_p
)
1704 if(IsConfDoSpoofIp(aconf
))
1706 if(!ConfigFileEntry
.hide_spoof_ips
&& MyOper(source_p
))
1718 * inputs - pointer to client struct
1719 * output - pointer to struct User
1720 * side effects - add's an User information block to a client
1721 * if it was not previously allocated.
1724 make_user(struct Client
*client_p
)
1728 user
= client_p
->user
;
1731 user
= (struct User
*) rb_bh_alloc(user_heap
);
1733 client_p
->user
= user
;
1741 * inputs - pointer to client struct
1742 * output - pointer to server_t
1743 * side effects - add's an Server information block to a client
1744 * if it was not previously allocated.
1747 make_server(struct Client
*client_p
)
1749 server_t
*serv
= client_p
->serv
;
1753 serv
= (server_t
*) rb_malloc(sizeof(server_t
));
1754 client_p
->serv
= serv
;
1756 return client_p
->serv
;
1762 * inputs - pointer to user struct
1763 * - pointer to client struct
1765 * side effects - Decrease user reference count by one and release block,
1766 * if count reaches 0
1769 free_user(struct User
*user
, struct Client
*client_p
)
1771 free_away(client_p
);
1773 if(--user
->refcnt
<= 0)
1776 rb_free((char *) user
->away
);
1780 if(user
->refcnt
< 0 || user
->invited
.head
|| user
->channel
.head
)
1782 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1783 "* %#lx user (%s!%s@%s) %#lx %#lx %#lx %lu %d *",
1784 (unsigned long) client_p
,
1785 client_p
? client_p
->
1789 (unsigned long) user
,
1790 (unsigned long) user
->invited
.head
,
1791 (unsigned long) user
->channel
.head
,
1792 rb_dlink_list_length(&user
->channel
),
1794 s_assert(!user
->refcnt
);
1795 s_assert(!user
->invited
.head
);
1796 s_assert(!user
->channel
.head
);
1799 rb_bh_free(user_heap
, user
);
1804 allocate_away(struct Client
*client_p
)
1806 if(client_p
->user
->away
== NULL
)
1807 client_p
->user
->away
= rb_bh_alloc(away_heap
);
1812 free_away(struct Client
*client_p
)
1814 if(client_p
->user
!= NULL
&& client_p
->user
->away
!= NULL
) {
1815 rb_bh_free(away_heap
, client_p
->user
->away
);
1816 client_p
->user
->away
= NULL
;
1825 for(i
= 0; i
< 3; i
++)
1826 current_uid
[i
] = me
.id
[i
];
1828 for(i
= 3; i
< 9; i
++)
1829 current_uid
[i
] = 'A';
1831 current_uid
[9] = '\0';
1840 for(i
= 8; i
> 3; i
--)
1842 if(current_uid
[i
] == 'Z')
1844 current_uid
[i
] = '0';
1847 else if(current_uid
[i
] != '9')
1853 current_uid
[i
] = 'A';
1856 /* if this next if() triggers, we're fucked. */
1857 if(current_uid
[3] == 'Z')
1859 current_uid
[i
] = 'A';
1870 * Close the physical connection. This function must make
1871 * MyConnect(client_p) == FALSE, and set client_p->from == NULL.
1874 close_connection(struct Client
*client_p
)
1876 s_assert(client_p
!= NULL
);
1877 if(client_p
== NULL
)
1880 s_assert(MyConnect(client_p
));
1881 if(!MyConnect(client_p
))
1884 if(IsServer(client_p
))
1886 struct server_conf
*server_p
;
1888 ServerStats
.is_sv
++;
1889 ServerStats
.is_sbs
+= client_p
->localClient
->sendB
;
1890 ServerStats
.is_sbr
+= client_p
->localClient
->receiveB
;
1891 ServerStats
.is_sti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1894 * If the connection has been up for a long amount of time, schedule
1895 * a 'quick' reconnect, else reset the next-connect cycle.
1897 if((server_p
= find_server_conf(client_p
->name
)) != NULL
)
1900 * Reschedule a faster reconnect, if this was a automatically
1901 * connected configuration entry. (Note that if we have had
1902 * a rehash in between, the status has been changed to
1903 * CONF_ILLEGAL). But only do this if it was a "good" link.
1905 server_p
->hold
= time(NULL
);
1907 (server_p
->hold
- client_p
->localClient
->lasttime
>
1908 HANGONGOODLINK
) ? HANGONRETRYDELAY
: ConFreq(server_p
->class);
1912 else if(IsClient(client_p
))
1914 ServerStats
.is_cl
++;
1915 ServerStats
.is_cbs
+= client_p
->localClient
->sendB
;
1916 ServerStats
.is_cbr
+= client_p
->localClient
->receiveB
;
1917 ServerStats
.is_cti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1920 ServerStats
.is_ni
++;
1922 if(client_p
->localClient
->F
!= NULL
)
1924 /* attempt to flush any pending dbufs. Evil, but .. -- adrian */
1925 if(!IsIOError(client_p
))
1926 send_queued(client_p
);
1928 del_from_cli_fd_hash(client_p
);
1929 rb_close(client_p
->localClient
->F
);
1930 client_p
->localClient
->F
= NULL
;
1933 rb_linebuf_donebuf(&client_p
->localClient
->buf_sendq
);
1934 rb_linebuf_donebuf(&client_p
->localClient
->buf_recvq
);
1935 detach_conf(client_p
);
1937 /* XXX shouldnt really be done here. */
1938 detach_server_conf(client_p
);
1940 client_p
->from
= NULL
; /* ...this should catch them! >:) --msa */
1941 ClearMyConnect(client_p
);
1942 SetIOError(client_p
);
1948 error_exit_client(struct Client
*client_p
, int error
)
1951 * ...hmm, with non-blocking sockets we might get
1952 * here from quite valid reasons, although.. why
1953 * would select report "data available" when there
1954 * wasn't... so, this must be an error anyway... --msa
1955 * actually, EOF occurs when read() returns 0 and
1956 * in due course, select() returns that fd as ready
1957 * for reading even though it ends up being an EOF. -avalon
1960 int current_error
= rb_get_sockerr(client_p
->localClient
->F
);
1962 SetIOError(client_p
);
1964 if(IsServer(client_p
) || IsHandshake(client_p
))
1968 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1969 "Server %s closed the connection",
1972 ilog(L_SERVER
, "Server %s closed the connection",
1973 log_client_name(client_p
, SHOW_IP
));
1977 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1978 "Lost connection to %s: %s",
1979 client_p
->name
, strerror(current_error
));
1980 ilog(L_SERVER
, "Lost connection to %s: %s",
1981 log_client_name(client_p
, SHOW_IP
), strerror(current_error
));
1986 rb_strlcpy(errmsg
, "Remote host closed the connection", sizeof(errmsg
));
1988 rb_snprintf(errmsg
, sizeof(errmsg
), "Read error: %s", strerror(current_error
));
1990 exit_client(client_p
, client_p
, &me
, errmsg
);