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
->auth_user
);
236 if(client_p
->localClient
->override_timeout_event
)
238 rb_event_delete(client_p
->localClient
->override_timeout_event
);
241 rb_free(client_p
->localClient
->challenge
);
242 rb_free(client_p
->localClient
->fullcaps
);
243 rb_free(client_p
->localClient
->opername
);
244 rb_free(client_p
->localClient
->mangledhost
);
245 if (client_p
->localClient
->privset
)
246 privilegeset_unref(client_p
->localClient
->privset
);
249 ssld_decrement_clicount(client_p
->localClient
->ssl_ctl
);
251 if(IsCapable(client_p
, CAP_ZIP
))
252 ssld_decrement_clicount(client_p
->localClient
->z_ctl
);
254 rb_bh_free(lclient_heap
, client_p
->localClient
);
255 client_p
->localClient
= NULL
;
259 free_client(struct Client
*client_p
)
261 s_assert(NULL
!= client_p
);
262 s_assert(&me
!= client_p
);
263 free_local_client(client_p
);
264 free_pre_client(client_p
);
265 rb_free(client_p
->certfp
);
266 rb_bh_free(client_heap
, client_p
);
270 * check_pings - go through the local client list and check activity
271 * kill off stuff that should die
273 * inputs - NOT USED (from event)
274 * output - next time_t when check_pings() should be called again
278 * A PING can be sent to clients as necessary.
280 * Client/Server ping outs are handled.
284 * Addon from adrian. We used to call this after nextping seconds,
285 * however I've changed it to run once a second. This is only for
286 * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
287 * run once a second makes life a lot easier - when a new client connects
288 * and they need a ping in 4 seconds, if nextping was set to 20 seconds
289 * we end up waiting 20 seconds. This is stupid. :-)
290 * I will optimise (hah!) check_pings() once I've finished working on
291 * tidying up other network IO evilnesses.
296 check_pings(void *notused
)
298 check_pings_list(&lclient_list
);
299 check_pings_list(&serv_list
);
300 check_unknowns_list(&unknown_list
);
306 * inputs - pointer to list to check
311 check_pings_list(rb_dlink_list
* list
)
313 char scratch
[32]; /* way too generous but... */
314 struct Client
*client_p
; /* current local client_p being examined */
315 int ping
= 0; /* ping time value from client */
316 rb_dlink_node
*ptr
, *next_ptr
;
318 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
320 client_p
= ptr
->data
;
322 if(!MyConnect(client_p
) || IsDead(client_p
))
325 ping
= get_client_ping(client_p
);
327 if(ping
< (rb_current_time() - client_p
->localClient
->lasttime
))
330 * If the client/server hasnt talked to us in 2*ping seconds
331 * and it has a ping time, then close its connection.
333 if(((rb_current_time() - client_p
->localClient
->lasttime
) >= (2 * ping
)
334 && (client_p
->flags
& FLAGS_PINGSENT
)))
336 if(IsServer(client_p
))
338 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
339 "No response from %s, closing link",
342 "No response from %s, closing link",
343 log_client_name(client_p
, HIDE_IP
));
345 (void) rb_snprintf(scratch
, sizeof(scratch
),
346 "Ping timeout: %d seconds",
347 (int) (rb_current_time() - client_p
->localClient
->lasttime
));
349 exit_client(client_p
, client_p
, &me
, scratch
);
352 else if((client_p
->flags
& FLAGS_PINGSENT
) == 0)
355 * if we havent PINGed the connection and we havent
356 * heard from it in a while, PING it to make sure
359 client_p
->flags
|= FLAGS_PINGSENT
;
360 /* not nice but does the job */
361 client_p
->localClient
->lasttime
= rb_current_time() - ping
;
362 sendto_one(client_p
, "PING :%s", me
.name
);
371 * check_unknowns_list
373 * inputs - pointer to list of unknown clients
375 * side effects - unknown clients get marked for termination after n seconds
378 check_unknowns_list(rb_dlink_list
* list
)
380 rb_dlink_node
*ptr
, *next_ptr
;
381 struct Client
*client_p
;
384 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
386 client_p
= ptr
->data
;
388 if(IsDead(client_p
) || IsClosing(client_p
))
391 /* still has DNSbls to validate against */
392 if(client_p
->preClient
!= NULL
&&
393 rb_dlink_list_length(&client_p
->preClient
->dnsbl_queries
) > 0)
397 * Check UNKNOWN connections - if they have been in this state
398 * for > 30s, close them.
401 timeout
= IsAnyServer(client_p
) ? ConfigFileEntry
.connect_timeout
: 30;
402 if((rb_current_time() - client_p
->localClient
->firsttime
) > timeout
)
404 if(IsAnyServer(client_p
))
406 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) ? L_NETWIDE
: L_ALL
,
407 "No response from %s, closing link",
410 "No response from %s, closing link",
411 log_client_name(client_p
, HIDE_IP
));
413 exit_client(client_p
, client_p
, &me
, "Connection timed out");
419 notify_banned_client(struct Client
*client_p
, struct ConfItem
*aconf
, int ban
)
421 static const char conn_closed
[] = "Connection closed";
422 static const char d_lined
[] = "D-lined";
423 static const char k_lined
[] = "K-lined";
424 const char *reason
= NULL
;
425 const char *exit_reason
= conn_closed
;
426 char reasonbuf
[BUFSIZE
];
428 if(ConfigFileEntry
.kline_with_reason
&& !EmptyString(aconf
->passwd
))
432 rb_snprintf(reasonbuf
, sizeof reasonbuf
, "%s (%s)",
434 smalldate(aconf
->created
));
438 reason
= aconf
->passwd
;
439 exit_reason
= reason
;
443 reason
= aconf
->status
== D_LINED
? d_lined
: k_lined
;
446 if(ban
== D_LINED
&& !IsPerson(client_p
))
447 sendto_one(client_p
, "NOTICE DLINE :*** You have been D-lined");
449 sendto_one(client_p
, form_str(ERR_YOUREBANNEDCREEP
),
450 me
.name
, client_p
->name
, reason
);
452 exit_client(client_p
, client_p
, &me
,
453 EmptyString(ConfigFileEntry
.kline_reason
) ? exit_reason
:
454 ConfigFileEntry
.kline_reason
);
461 * side effects - Check all connections for a pending k/dline against the
462 * client, exit the client if found.
465 check_banned_lines(void)
472 /* check_klines_event()
476 * side effects - check_klines() is called, kline_queued unset
479 check_klines_event(void *unused
)
489 * side effects - all clients will be checked for klines
494 struct Client
*client_p
;
495 struct ConfItem
*aconf
;
497 rb_dlink_node
*next_ptr
;
499 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
501 client_p
= ptr
->data
;
503 if(IsMe(client_p
) || !IsPerson(client_p
))
506 if((aconf
= find_kline(client_p
)) != NULL
)
508 if(IsExemptKline(client_p
))
510 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
511 "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
512 get_client_name(client_p
, HIDE_IP
),
513 aconf
->user
, aconf
->host
);
517 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
518 "KLINE active for %s",
519 get_client_name(client_p
, HIDE_IP
));
521 notify_banned_client(client_p
, aconf
, K_LINED
);
531 * side effects - all clients will be checked for dlines
536 struct Client
*client_p
;
537 struct ConfItem
*aconf
;
539 rb_dlink_node
*next_ptr
;
541 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
543 client_p
= ptr
->data
;
548 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
550 if(aconf
->status
& CONF_EXEMPTDLINE
)
553 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
554 "DLINE active for %s",
555 get_client_name(client_p
, HIDE_IP
));
557 notify_banned_client(client_p
, aconf
, D_LINED
);
562 /* dlines need to be checked against unknowns too */
563 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
565 client_p
= ptr
->data
;
567 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
569 if(aconf
->status
& CONF_EXEMPTDLINE
)
572 notify_banned_client(client_p
, aconf
, D_LINED
);
581 * side effects - all clients will be checked for xlines
586 struct Client
*client_p
;
587 struct ConfItem
*aconf
;
589 rb_dlink_node
*next_ptr
;
591 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
593 client_p
= ptr
->data
;
595 if(IsMe(client_p
) || !IsPerson(client_p
))
598 if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
600 if(IsExemptKline(client_p
))
602 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
603 "XLINE over-ruled for %s, client is kline_exempt [%s]",
604 get_client_name(client_p
, HIDE_IP
),
609 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "XLINE active for %s",
610 get_client_name(client_p
, HIDE_IP
));
612 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
619 * update_client_exit_stats
621 * input - pointer to client
626 update_client_exit_stats(struct Client
*client_p
)
628 if(IsServer(client_p
))
630 sendto_realops_snomask(SNO_EXTERNAL
, L_ALL
,
631 "Server %s split from %s",
632 client_p
->name
, client_p
->servptr
->name
);
633 if(HasSentEob(client_p
))
636 else if(IsClient(client_p
))
641 if(IsInvisible(client_p
))
645 if(splitchecking
&& !splitmode
)
646 check_splitmode(NULL
);
650 * release_client_state
652 * input - pointer to client to release
657 release_client_state(struct Client
*client_p
)
659 if(client_p
->user
!= NULL
)
661 free_user(client_p
->user
, client_p
); /* try this here */
665 if(client_p
->serv
->user
!= NULL
)
666 free_user(client_p
->serv
->user
, client_p
);
667 if(client_p
->serv
->fullcaps
)
668 rb_free(client_p
->serv
->fullcaps
);
669 rb_free(client_p
->serv
);
674 * remove_client_from_list
675 * inputs - point to client to remove
677 * side effects - taken the code from ExitOneClient() for this
678 * and placed it here. - avalon
681 remove_client_from_list(struct Client
*client_p
)
683 s_assert(NULL
!= client_p
);
688 /* A client made with make_client()
689 * is on the unknown_list until removed.
690 * If it =does= happen to exit before its removed from that list
691 * and its =not= on the global_client_list, it will core here.
692 * short circuit that case now -db
694 if(client_p
->node
.prev
== NULL
&& client_p
->node
.next
== NULL
)
697 rb_dlinkDelete(&client_p
->node
, &global_client_list
);
699 update_client_exit_stats(client_p
);
704 * find_person - find person by (nick)name.
705 * inputs - pointer to name
706 * output - return client pointer
710 find_person(const char *name
)
712 struct Client
*c2ptr
;
714 c2ptr
= find_client(name
);
716 if(c2ptr
&& IsPerson(c2ptr
))
722 find_named_person(const char *name
)
724 struct Client
*c2ptr
;
726 c2ptr
= find_named_client(name
);
728 if(c2ptr
&& IsPerson(c2ptr
))
735 * find_chasing - find the client structure for a nick name (user)
736 * using history mechanism if necessary. If the client is not found,
737 * an error message (NO SUCH NICK) is generated. If the client was found
738 * through the history, chasing will be 1 and otherwise 0.
741 find_chasing(struct Client
*source_p
, const char *user
, int *chasing
)
745 if(MyClient(source_p
))
746 who
= find_named_person(user
);
748 who
= find_person(user
);
753 if(who
|| IsDigit(*user
))
756 if(!(who
= get_history(user
, (long) KILLCHASETIMELIMIT
)))
758 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
759 form_str(ERR_NOSUCHNICK
), user
);
768 * get_client_name - Return the name of the client
769 * for various tracking and
770 * admin purposes. The main purpose of this function is to
771 * return the "socket host" name of the client, if that
772 * differs from the advertised name (other than case).
773 * But, this can be used to any client structure.
776 * Watch out the allocation of "nbuf", if either source_p->name
777 * or source_p->sockhost gets changed into pointers instead of
778 * directly allocated within the structure...
781 * Function return either a pointer to the structure (source_p) or
782 * to internal buffer (nbuf). *NEVER* use the returned pointer
783 * to modify what it points!!!
787 get_client_name(struct Client
*client
, int showip
)
789 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
791 s_assert(NULL
!= client
);
795 if(MyConnect(client
))
797 if(!irccmp(client
->name
, client
->host
))
800 if(ConfigFileEntry
.hide_spoof_ips
&&
801 showip
== SHOW_IP
&& IsIPSpoof(client
))
803 if(IsAnyServer(client
))
806 /* And finally, let's get the host information, ip or name */
810 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
811 client
->name
, client
->username
,
815 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
816 client
->name
, client
->username
);
819 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
820 client
->name
, client
->username
, client
->host
);
825 /* As pointed out by Adel Mezibra
826 * Neph|l|m@EFnet. Was missing a return here.
833 * This version is the same as get_client_name, but doesnt contain the
834 * code that will hide IPs always. This should be used for logfiles.
837 log_client_name(struct Client
*target_p
, int showip
)
839 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
844 if(MyConnect(target_p
))
846 if(irccmp(target_p
->name
, target_p
->host
) == 0)
847 return target_p
->name
;
852 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
853 target_p
->username
, target_p
->sockhost
);
857 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
858 target_p
->name
, target_p
->username
);
861 rb_snprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]", target_p
->name
,
862 target_p
->username
, target_p
->host
);
868 return target_p
->name
;
871 /* is_remote_connect - Returns whether a server was /connect'ed by a remote
872 * oper (send notices netwide) */
874 is_remote_connect(struct Client
*client_p
)
878 if (client_p
->serv
== NULL
)
880 oper
= find_named_person(client_p
->serv
->by
);
881 return oper
!= NULL
&& IsOper(oper
) && !MyConnect(oper
);
885 free_exited_clients(void *unused
)
887 rb_dlink_node
*ptr
, *next
;
888 struct Client
*target_p
;
890 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_list
.head
)
892 target_p
= ptr
->data
;
894 #ifdef DEBUG_EXITED_CLIENTS
896 struct abort_client
*abt
;
900 RB_DLINK_FOREACH(aptr
, abort_list
.head
)
903 if(abt
->client
== target_p
)
906 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
907 "On abort_list: %s stat: %u flags: %u/%u handler: %c",
908 target_p
->name
, (unsigned int) target_p
->status
,
909 target_p
->flags
, target_p
->flags2
, target_p
->handler
);
910 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
911 "Please report this to the charybdis developers!");
918 rb_dlinkDestroy(ptr
, &dead_list
);
924 if(ptr
->data
== NULL
)
926 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
927 "Warning: null client on dead_list!");
928 rb_dlinkDestroy(ptr
, &dead_list
);
931 release_client_state(target_p
);
932 free_client(target_p
);
933 rb_dlinkDestroy(ptr
, &dead_list
);
936 #ifdef DEBUG_EXITED_CLIENTS
937 RB_DLINK_FOREACH_SAFE(ptr
, next
, dead_remote_list
.head
)
939 target_p
= ptr
->data
;
941 if(ptr
->data
== NULL
)
943 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
944 "Warning: null client on dead_list!");
945 rb_dlinkDestroy(ptr
, &dead_list
);
948 release_client_state(target_p
);
949 free_client(target_p
);
950 rb_dlinkDestroy(ptr
, &dead_remote_list
);
957 ** Recursively send QUITs and SQUITs for source_p and all its dependent clients
958 ** and servers to those servers that need them. A server needs the client
959 ** QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
960 ** isn't getting the SQUIT because of @#(*&@)# hostmasking. With TS4, once
961 ** a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
962 ** on that one -orabidoo
965 recurse_send_quits(struct Client
*client_p
, struct Client
*source_p
,
966 struct Client
*to
, const char *comment1
,
969 struct Client
*target_p
;
970 rb_dlink_node
*ptr
, *ptr_next
;
971 /* If this server can handle quit storm (QS) removal
972 * of dependents, just send the SQUIT
975 if(IsCapable(to
, CAP_QS
))
977 sendto_one(to
, "SQUIT %s :%s",
978 get_id(source_p
, to
), comment
);
982 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
984 target_p
= ptr
->data
;
985 sendto_one(to
, ":%s QUIT :%s", target_p
->name
, comment1
);
987 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
989 target_p
= ptr
->data
;
990 recurse_send_quits(client_p
, target_p
, to
, comment1
, comment
);
992 sendto_one(to
, "SQUIT %s :%s", source_p
->name
, comment
);
997 ** Remove all clients that depend on source_p; assumes all (S)QUITs have
998 ** already been sent. we make sure to exit a server's dependent clients
999 ** and servers before the server itself; exit_one_client takes care of
1000 ** actually removing things off llists. tweaked from +CSr31 -orabidoo
1003 * added sanity test code.... source_p->serv might be NULL...
1006 recurse_remove_clients(struct Client
*source_p
, const char *comment
)
1008 struct Client
*target_p
;
1009 rb_dlink_node
*ptr
, *ptr_next
;
1014 if(source_p
->serv
== NULL
) /* oooops. uh this is actually a major bug */
1017 /* this is very ugly, but it saves cpu :P */
1018 if(ConfigFileEntry
.nick_delay
> 0)
1020 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1022 target_p
= ptr
->data
;
1023 target_p
->flags
|= FLAGS_KILLED
;
1024 add_nd_entry(target_p
->name
);
1026 if(!IsDead(target_p
) && !IsClosing(target_p
))
1027 exit_remote_client(NULL
, target_p
, &me
, comment
);
1032 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1034 target_p
= ptr
->data
;
1035 target_p
->flags
|= FLAGS_KILLED
;
1037 if(!IsDead(target_p
) && !IsClosing(target_p
))
1038 exit_remote_client(NULL
, target_p
, &me
, comment
);
1042 RB_DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1044 target_p
= ptr
->data
;
1045 recurse_remove_clients(target_p
, comment
);
1046 qs_server(NULL
, target_p
, &me
, comment
);
1051 ** Remove *everything* that depends on source_p, from all lists, and sending
1052 ** all necessary QUITs and SQUITs. source_p itself is still on the lists,
1053 ** and its SQUITs have been sent except for the upstream one -orabidoo
1056 remove_dependents(struct Client
*client_p
,
1057 struct Client
*source_p
,
1058 struct Client
*from
, const char *comment
, const char *comment1
)
1061 rb_dlink_node
*ptr
, *next
;
1063 RB_DLINK_FOREACH_SAFE(ptr
, next
, serv_list
.head
)
1067 if(IsMe(to
) || to
== source_p
->from
||
1068 (to
== client_p
&& IsCapable(to
, CAP_QS
)))
1071 recurse_send_quits(client_p
, source_p
, to
, comment1
, comment
);
1074 recurse_remove_clients(source_p
, comment1
);
1078 exit_aborted_clients(void *unused
)
1080 struct abort_client
*abt
;
1081 rb_dlink_node
*ptr
, *next
;
1082 RB_DLINK_FOREACH_SAFE(ptr
, next
, abort_list
.head
)
1086 #ifdef DEBUG_EXITED_CLIENTS
1088 if(rb_dlinkFind(abt
->client
, &dead_list
))
1091 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1092 "On dead_list: %s stat: %u flags: %u/%u handler: %c",
1093 abt
->client
->name
, (unsigned int) abt
->client
->status
,
1094 abt
->client
->flags
, abt
->client
->flags2
, abt
->client
->handler
);
1095 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1096 "Please report this to the charybdis developers!");
1102 s_assert(*((unsigned long*)abt
->client
) != 0xdeadbeef); /* This is lame but its a debug thing */
1103 rb_dlinkDelete(ptr
, &abort_list
);
1105 if(IsAnyServer(abt
->client
))
1106 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1107 "Closing link to %s: %s",
1108 abt
->client
->name
, abt
->notice
);
1110 /* its no longer on abort list - we *must* remove
1111 * FLAGS_CLOSING otherwise exit_client() will not run --fl
1113 abt
->client
->flags
&= ~FLAGS_CLOSING
;
1114 exit_client(abt
->client
, abt
->client
, &me
, abt
->notice
);
1121 * dead_link - Adds client to a list of clients that need an exit_client()
1125 dead_link(struct Client
*client_p
, int sendqex
)
1127 struct abort_client
*abt
;
1129 s_assert(!IsMe(client_p
));
1130 if(IsDead(client_p
) || IsClosing(client_p
) || IsMe(client_p
))
1133 abt
= (struct abort_client
*) rb_malloc(sizeof(struct abort_client
));
1136 rb_strlcpy(abt
->notice
, "Max SendQ exceeded", sizeof(abt
->notice
));
1138 rb_snprintf(abt
->notice
, sizeof(abt
->notice
), "Write error: %s", strerror(errno
));
1140 abt
->client
= client_p
;
1141 SetIOError(client_p
);
1143 SetClosing(client_p
);
1144 rb_dlinkAdd(abt
, &abt
->node
, &abort_list
);
1148 /* This does the remove of the user from channels..local or remote */
1150 exit_generic_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1151 const char *comment
)
1153 rb_dlink_node
*ptr
, *next_ptr
;
1155 if(IsOper(source_p
))
1156 rb_dlinkFindDestroy(source_p
, &oper_list
);
1158 /* get rid of any metadata the user may have */
1159 user_metadata_clear(source_p
);
1161 sendto_common_channels_local(source_p
, ":%s!%s@%s QUIT :%s",
1163 source_p
->username
, source_p
->host
, comment
);
1165 remove_user_from_channels(source_p
);
1167 /* Should not be in any channels now */
1168 s_assert(source_p
->user
->channel
.head
== NULL
);
1170 /* Clean up invitefield */
1171 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, source_p
->user
->invited
.head
)
1173 del_invite(ptr
->data
, source_p
);
1176 /* Clean up allow lists */
1177 del_all_accepts(source_p
);
1179 add_history(source_p
, 0);
1180 off_history(source_p
);
1182 monitor_signoff(source_p
);
1184 if(has_id(source_p
))
1185 del_from_id_hash(source_p
->id
, source_p
);
1187 del_from_hostname_hash(source_p
->orighost
, source_p
);
1188 del_from_client_hash(source_p
->name
, source_p
);
1189 remove_client_from_list(source_p
);
1193 * Assumes IsPerson(source_p) && !MyConnect(source_p)
1197 exit_remote_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1198 const char *comment
)
1200 exit_generic_client(client_p
, source_p
, from
, comment
);
1202 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1204 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->users
);
1207 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1209 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1210 ":%s QUIT :%s", use_id(source_p
), comment
);
1214 #ifdef DEBUG_EXITED_CLIENTS
1215 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1217 rb_dlinkAddAlloc(source_p
, &dead_list
);
1219 return(CLIENT_EXITED
);
1223 * This assumes IsUnknown(source_p) == TRUE and MyConnect(source_p) == TRUE
1227 exit_unknown_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1228 const char *comment
)
1230 delete_auth_queries(source_p
);
1231 if (source_p
->localClient
->dnsquery
)
1233 delete_resolver_queries(source_p
->localClient
->dnsquery
);
1234 rb_free(source_p
->localClient
->dnsquery
);
1236 rb_dlinkDelete(&source_p
->localClient
->tnode
, &unknown_list
);
1238 if(!IsIOError(source_p
))
1239 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)",
1240 source_p
->user
!= NULL
? source_p
->host
: "127.0.0.1",
1243 close_connection(source_p
);
1245 if(has_id(source_p
))
1246 del_from_id_hash(source_p
->id
, source_p
);
1248 del_from_hostname_hash(source_p
->host
, source_p
);
1249 del_from_client_hash(source_p
->name
, source_p
);
1250 remove_client_from_list(source_p
);
1252 rb_dlinkAddAlloc(source_p
, &dead_list
);
1254 /* Note that we don't need to add unknowns to the dead_list */
1255 return(CLIENT_EXITED
);
1259 exit_remote_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1260 const char *comment
)
1262 static char comment1
[(HOSTLEN
*2)+2];
1263 static char newcomment
[BUFSIZE
];
1264 struct Client
*target_p
;
1266 if(ConfigServerHide
.flatten_links
)
1267 strcpy(comment1
, "*.net *.split");
1270 strcpy(comment1
, source_p
->servptr
->name
);
1271 strcat(comment1
, " ");
1272 strcat(comment1
, source_p
->name
);
1275 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1276 from
->name
, comment
);
1278 if(source_p
->serv
!= NULL
)
1279 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1281 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1282 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1286 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1287 target_p
= source_p
->from
;
1289 if(target_p
!= NULL
&& IsServer(target_p
) && target_p
!= client_p
&&
1290 !IsMe(target_p
) && (source_p
->flags
& FLAGS_KILLED
) == 0)
1292 sendto_one(target_p
, ":%s SQUIT %s :%s",
1293 get_id(from
, target_p
), get_id(source_p
, target_p
),
1297 if(has_id(source_p
))
1298 del_from_id_hash(source_p
->id
, source_p
);
1300 del_from_client_hash(source_p
->name
, source_p
);
1301 remove_client_from_list(source_p
);
1302 scache_split(source_p
->serv
->nameinfo
);
1305 #ifdef DEBUG_EXITED_CLIENTS
1306 rb_dlinkAddAlloc(source_p
, &dead_remote_list
);
1308 rb_dlinkAddAlloc(source_p
, &dead_list
);
1314 qs_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1315 const char *comment
)
1317 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1318 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1322 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1324 if(has_id(source_p
))
1325 del_from_id_hash(source_p
->id
, source_p
);
1327 del_from_client_hash(source_p
->name
, source_p
);
1328 remove_client_from_list(source_p
);
1329 scache_split(source_p
->serv
->nameinfo
);
1332 rb_dlinkAddAlloc(source_p
, &dead_list
);
1337 exit_local_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1338 const char *comment
)
1340 static char comment1
[(HOSTLEN
*2)+2];
1341 static char newcomment
[BUFSIZE
];
1342 unsigned int sendk
, recvk
;
1344 rb_dlinkDelete(&source_p
->localClient
->tnode
, &serv_list
);
1345 rb_dlinkFindDestroy(source_p
, &global_serv_list
);
1347 unset_chcap_usage_counts(source_p
);
1348 sendk
= source_p
->localClient
->sendK
;
1349 recvk
= source_p
->localClient
->receiveK
;
1351 /* Always show source here, so the server notices show
1352 * which side initiated the split -- jilles
1354 rb_snprintf(newcomment
, sizeof(newcomment
), "by %s: %s",
1355 from
== source_p
? me
.name
: from
->name
, comment
);
1356 if (!IsIOError(source_p
))
1357 sendto_one(source_p
, "SQUIT %s :%s", use_id(source_p
),
1359 if(client_p
!= NULL
&& source_p
!= client_p
&& !IsIOError(source_p
))
1361 sendto_one(source_p
, "ERROR :Closing Link: 127.0.0.1 %s (%s)",
1362 source_p
->name
, comment
);
1365 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1366 rb_dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1371 close_connection(source_p
);
1373 if(ConfigServerHide
.flatten_links
)
1374 strcpy(comment1
, "*.net *.split");
1377 strcpy(comment1
, source_p
->servptr
->name
);
1378 strcat(comment1
, " ");
1379 strcat(comment1
, source_p
->name
);
1382 if(source_p
->serv
!= NULL
)
1383 remove_dependents(client_p
, source_p
, from
, IsPerson(from
) ? newcomment
: comment
, comment1
);
1385 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "%s was connected"
1386 " for %ld seconds. %d/%d sendK/recvK.",
1387 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1389 ilog(L_SERVER
, "%s was connected for %ld seconds. %d/%d sendK/recvK.",
1390 source_p
->name
, (long) rb_current_time() - source_p
->localClient
->firsttime
, sendk
, recvk
);
1392 if(has_id(source_p
))
1393 del_from_id_hash(source_p
->id
, source_p
);
1395 del_from_client_hash(source_p
->name
, source_p
);
1396 remove_client_from_list(source_p
);
1397 scache_split(source_p
->serv
->nameinfo
);
1400 rb_dlinkAddAlloc(source_p
, &dead_list
);
1406 * This assumes IsPerson(source_p) == TRUE && MyConnect(source_p) == TRUE
1410 exit_local_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1411 const char *comment
)
1413 unsigned long on_for
;
1416 exit_generic_client(client_p
, source_p
, from
, comment
);
1417 clear_monitor(source_p
);
1419 s_assert(IsPerson(source_p
));
1420 rb_dlinkDelete(&source_p
->localClient
->tnode
, &lclient_list
);
1421 rb_dlinkDelete(&source_p
->lnode
, &me
.serv
->users
);
1423 if(IsOper(source_p
))
1424 rb_dlinkFindDestroy(source_p
, &local_oper_list
);
1426 sendto_realops_snomask(SNO_CCONN
, L_ALL
,
1427 "Client exiting: %s (%s@%s) [%s] [%s]",
1429 source_p
->username
, source_p
->host
, comment
,
1430 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255");
1432 sendto_realops_snomask(SNO_CCONNEXT
, L_ALL
,
1433 "CLIEXIT %s %s %s %s 0 %s",
1434 source_p
->name
, source_p
->username
, source_p
->host
,
1435 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255",
1438 on_for
= rb_current_time() - source_p
->localClient
->firsttime
;
1440 ilog(L_USER
, "%s (%3lu:%02lu:%02lu): %s!%s@%s %s %d/%d",
1441 rb_ctime(rb_current_time(), tbuf
, sizeof(tbuf
)), on_for
/ 3600,
1442 (on_for
% 3600) / 60, on_for
% 60,
1443 source_p
->name
, source_p
->username
, source_p
->host
,
1445 source_p
->localClient
->sendK
, source_p
->localClient
->receiveK
);
1447 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)", source_p
->host
, comment
);
1448 close_connection(source_p
);
1450 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1452 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1453 ":%s QUIT :%s", use_id(source_p
), comment
);
1457 rb_dlinkAddAlloc(source_p
, &dead_list
);
1458 return(CLIENT_EXITED
);
1463 ** exit_client - This is old "m_bye". Name changed, because this is not a
1464 ** protocol function, but a general server utility function.
1466 ** This function exits a client of *any* type (user, server, etc)
1467 ** from this server. Also, this generates all necessary prototol
1468 ** messages that this exit may cause.
1470 ** 1) If the client is a local client, then this implicitly
1471 ** exits all other clients depending on this connection (e.g.
1472 ** remote clients having 'from'-field that points to this.
1474 ** 2) If the client is a remote client, then only this is exited.
1476 ** For convenience, this function returns a suitable value for
1477 ** m_function return value:
1479 ** CLIENT_EXITED if (client_p == source_p)
1480 ** 0 if (client_p != source_p)
1483 exit_client(struct Client
*client_p
, /* The local client originating the
1484 * exit or NULL, if this exit is
1485 * generated by this server for
1487 * This will not get any of the
1488 * generated messages. */
1489 struct Client
*source_p
, /* Client exiting */
1490 struct Client
*from
, /* Client firing off this Exit,
1492 const char *comment
/* Reason for the exit */
1495 hook_data_client_exit hdata
;
1496 if(IsClosing(source_p
))
1499 /* note, this HAS to be here, when we exit a client we attempt to
1500 * send them data, if this generates a write error we must *not* add
1501 * them to the abort list --fl
1503 SetClosing(source_p
);
1505 hdata
.local_link
= client_p
;
1506 hdata
.target
= source_p
;
1508 hdata
.comment
= comment
;
1509 call_hook(h_client_exit
, &hdata
);
1511 if(MyConnect(source_p
))
1513 /* Local clients of various types */
1514 if(IsPerson(source_p
))
1515 return exit_local_client(client_p
, source_p
, from
, comment
);
1516 else if(IsServer(source_p
))
1517 return exit_local_server(client_p
, source_p
, from
, comment
);
1518 /* IsUnknown || IsConnecting || IsHandShake */
1519 else if(!IsReject(source_p
))
1520 return exit_unknown_client(client_p
, source_p
, from
, comment
);
1525 if(IsPerson(source_p
))
1526 return exit_remote_client(client_p
, source_p
, from
, comment
);
1527 else if(IsServer(source_p
))
1528 return exit_remote_server(client_p
, source_p
, from
, comment
);
1535 * Count up local client memory
1538 /* XXX one common Client list now */
1540 count_local_client_memory(size_t * count
, size_t * local_client_memory_used
)
1543 rb_bh_usage(lclient_heap
, count
, NULL
, &lusage
, NULL
);
1544 *local_client_memory_used
= lusage
+ (*count
* (sizeof(void *) + sizeof(struct Client
)));
1548 * Count up remote client memory
1551 count_remote_client_memory(size_t * count
, size_t * remote_client_memory_used
)
1553 size_t lcount
, rcount
;
1554 rb_bh_usage(lclient_heap
, &lcount
, NULL
, NULL
, NULL
);
1555 rb_bh_usage(client_heap
, &rcount
, NULL
, NULL
, NULL
);
1556 *count
= rcount
- lcount
;
1557 *remote_client_memory_used
= *count
* (sizeof(void *) + sizeof(struct Client
));
1562 * accept processing, this adds a form of "caller ID" to ircd
1564 * If a client puts themselves into "caller ID only" mode,
1565 * only clients that match a client pointer they have put on
1566 * the accept list will be allowed to message them.
1568 * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1570 * [target.allow_list] -> [ source1 ] -> [source2 ]
1572 * i.e. a target will have a link list of source pointers it will allow
1573 * each source client then has a back pointer pointing back
1574 * to the client that has it on its accept list.
1575 * This allows for exit_one_client to remove these now bogus entries
1576 * from any client having an accept on them.
1581 * inputs - pointer to exiting client
1583 * side effects - Walk through given clients allow_list and on_allow_list
1584 * remove all references to this client
1587 del_all_accepts(struct Client
*client_p
)
1590 rb_dlink_node
*next_ptr
;
1591 struct Client
*target_p
;
1593 if(MyClient(client_p
) && client_p
->localClient
->allow_list
.head
)
1595 /* clear this clients accept list, and remove them from
1596 * everyones on_accept_list
1598 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->localClient
->allow_list
.head
)
1600 target_p
= ptr
->data
;
1601 rb_dlinkFindDestroy(client_p
, &target_p
->on_allow_list
);
1602 rb_dlinkDestroy(ptr
, &client_p
->localClient
->allow_list
);
1606 /* remove this client from everyones accept list */
1607 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->on_allow_list
.head
)
1609 target_p
= ptr
->data
;
1610 rb_dlinkFindDestroy(client_p
, &target_p
->localClient
->allow_list
);
1611 rb_dlinkDestroy(ptr
, &client_p
->on_allow_list
);
1616 * show_ip() - asks if the true IP shoudl be shown when source is
1617 * askin for info about target
1619 * Inputs - source_p who is asking
1620 * - target_p who do we want the info on
1621 * Output - returns 1 if clear IP can be showed, otherwise 0
1622 * Side Effects - none
1626 show_ip(struct Client
*source_p
, struct Client
*target_p
)
1628 if(IsAnyServer(target_p
))
1632 else if(IsIPSpoof(target_p
))
1634 /* source == NULL indicates message is being sent
1637 if(!ConfigFileEntry
.hide_spoof_ips
&&
1638 (source_p
== NULL
|| MyOper(source_p
)))
1642 else if(IsDynSpoof(target_p
) && (source_p
!= NULL
&& !IsOper(source_p
)))
1649 show_ip_conf(struct ConfItem
*aconf
, struct Client
*source_p
)
1651 if(IsConfDoSpoofIp(aconf
))
1653 if(!ConfigFileEntry
.hide_spoof_ips
&& MyOper(source_p
))
1665 * inputs - pointer to client struct
1666 * output - pointer to struct User
1667 * side effects - add's an User information block to a client
1668 * if it was not previously allocated.
1671 make_user(struct Client
*client_p
)
1674 struct Dictionary
*metadata
;
1676 user
= client_p
->user
;
1679 user
= (struct User
*) rb_bh_alloc(user_heap
);
1681 client_p
->user
= user
;
1683 metadata
= irc_dictionary_create(irccmp
);
1684 client_p
->user
->metadata
= metadata
;
1692 * inputs - pointer to client struct
1693 * output - pointer to server_t
1694 * side effects - add's an Server information block to a client
1695 * if it was not previously allocated.
1698 make_server(struct Client
*client_p
)
1700 struct Server
*serv
= client_p
->serv
;
1704 serv
= (struct Server
*) rb_malloc(sizeof(struct Server
));
1705 client_p
->serv
= serv
;
1707 return client_p
->serv
;
1713 * inputs - pointer to user struct
1714 * - pointer to client struct
1716 * side effects - Decrease user reference count by one and release block,
1717 * if count reaches 0
1720 free_user(struct User
*user
, struct Client
*client_p
)
1722 free_away(client_p
);
1724 if(--user
->refcnt
<= 0)
1727 rb_free((char *) user
->away
);
1732 if(user
->refcnt
< 0 || user
->invited
.head
|| user
->channel
.head
)
1734 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
1735 "* %#lx user (%s!%s@%s) %#lx %#lx %#lx %lu %d *",
1736 (unsigned long) client_p
,
1737 client_p
? client_p
->
1741 (unsigned long) user
,
1742 (unsigned long) user
->invited
.head
,
1743 (unsigned long) user
->channel
.head
,
1744 rb_dlink_list_length(&user
->channel
),
1746 s_assert(!user
->refcnt
);
1747 s_assert(!user
->invited
.head
);
1748 s_assert(!user
->channel
.head
);
1751 rb_bh_free(user_heap
, user
);
1756 allocate_away(struct Client
*client_p
)
1758 if(client_p
->user
->away
== NULL
)
1759 client_p
->user
->away
= rb_bh_alloc(away_heap
);
1764 free_away(struct Client
*client_p
)
1766 if(client_p
->user
!= NULL
&& client_p
->user
->away
!= NULL
) {
1767 rb_bh_free(away_heap
, client_p
->user
->away
);
1768 client_p
->user
->away
= NULL
;
1777 for(i
= 0; i
< 3; i
++)
1778 current_uid
[i
] = me
.id
[i
];
1780 for(i
= 3; i
< 9; i
++)
1781 current_uid
[i
] = 'A';
1783 current_uid
[9] = '\0';
1792 for(i
= 8; i
> 3; i
--)
1794 if(current_uid
[i
] == 'Z')
1796 current_uid
[i
] = '0';
1799 else if(current_uid
[i
] != '9')
1805 current_uid
[i
] = 'A';
1808 /* if this next if() triggers, we're fucked. */
1809 if(current_uid
[3] == 'Z')
1811 current_uid
[i
] = 'A';
1822 * Close the physical connection. This function must make
1823 * MyConnect(client_p) == FALSE, and set client_p->from == NULL.
1826 close_connection(struct Client
*client_p
)
1828 s_assert(client_p
!= NULL
);
1829 if(client_p
== NULL
)
1832 s_assert(MyConnect(client_p
));
1833 if(!MyConnect(client_p
))
1836 if(IsServer(client_p
))
1838 struct server_conf
*server_p
;
1840 ServerStats
.is_sv
++;
1841 ServerStats
.is_sbs
+= client_p
->localClient
->sendB
;
1842 ServerStats
.is_sbr
+= client_p
->localClient
->receiveB
;
1843 ServerStats
.is_sti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1846 * If the connection has been up for a long amount of time, schedule
1847 * a 'quick' reconnect, else reset the next-connect cycle.
1849 if((server_p
= find_server_conf(client_p
->name
)) != NULL
)
1852 * Reschedule a faster reconnect, if this was a automatically
1853 * connected configuration entry. (Note that if we have had
1854 * a rehash in between, the status has been changed to
1855 * CONF_ILLEGAL). But only do this if it was a "good" link.
1857 server_p
->hold
= time(NULL
);
1859 (server_p
->hold
- client_p
->localClient
->lasttime
>
1860 HANGONGOODLINK
) ? HANGONRETRYDELAY
: ConFreq(server_p
->class);
1864 else if(IsClient(client_p
))
1866 ServerStats
.is_cl
++;
1867 ServerStats
.is_cbs
+= client_p
->localClient
->sendB
;
1868 ServerStats
.is_cbr
+= client_p
->localClient
->receiveB
;
1869 ServerStats
.is_cti
+= (unsigned long long)(rb_current_time() - client_p
->localClient
->firsttime
);
1872 ServerStats
.is_ni
++;
1874 if(client_p
->localClient
->F
!= NULL
)
1876 /* attempt to flush any pending dbufs. Evil, but .. -- adrian */
1877 if(!IsIOError(client_p
))
1878 send_queued(client_p
);
1880 del_from_cli_fd_hash(client_p
);
1881 rb_close(client_p
->localClient
->F
);
1882 client_p
->localClient
->F
= NULL
;
1885 rb_linebuf_donebuf(&client_p
->localClient
->buf_sendq
);
1886 rb_linebuf_donebuf(&client_p
->localClient
->buf_recvq
);
1887 detach_conf(client_p
);
1889 /* XXX shouldnt really be done here. */
1890 detach_server_conf(client_p
);
1892 client_p
->from
= NULL
; /* ...this should catch them! >:) --msa */
1893 ClearMyConnect(client_p
);
1894 SetIOError(client_p
);
1900 error_exit_client(struct Client
*client_p
, int error
)
1903 * ...hmm, with non-blocking sockets we might get
1904 * here from quite valid reasons, although.. why
1905 * would select report "data available" when there
1906 * wasn't... so, this must be an error anyway... --msa
1907 * actually, EOF occurs when read() returns 0 and
1908 * in due course, select() returns that fd as ready
1909 * for reading even though it ends up being an EOF. -avalon
1912 int current_error
= rb_get_sockerr(client_p
->localClient
->F
);
1914 SetIOError(client_p
);
1916 if(IsServer(client_p
) || IsHandshake(client_p
))
1920 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1921 "Server %s closed the connection",
1924 ilog(L_SERVER
, "Server %s closed the connection",
1925 log_client_name(client_p
, SHOW_IP
));
1929 sendto_realops_snomask(SNO_GENERAL
, is_remote_connect(client_p
) && !IsServer(client_p
) ? L_NETWIDE
: L_ALL
,
1930 "Lost connection to %s: %s",
1931 client_p
->name
, strerror(current_error
));
1932 ilog(L_SERVER
, "Lost connection to %s: %s",
1933 log_client_name(client_p
, SHOW_IP
), strerror(current_error
));
1938 rb_strlcpy(errmsg
, "Remote host closed the connection", sizeof(errmsg
));
1940 rb_snprintf(errmsg
, sizeof(errmsg
), "Read error: %s", strerror(current_error
));
1942 exit_client(client_p
, client_p
, &me
, errmsg
);
1948 * inputs - pointer to client struct
1949 * - name of metadata item you wish to add
1950 * - value of metadata item
1951 * - 1 if metadata should be propegated, 0 if not
1953 * side effects - metadata is added to the user in question
1954 * - metadata is propegated if propegate is set.
1957 user_metadata_add(struct Client
*target
, const char *name
, const char *value
, int propegate
)
1959 struct Metadata
*md
;
1961 md
= rb_malloc(sizeof(struct Metadata
));
1962 md
->name
= rb_strdup(name
);
1963 md
->value
= rb_strdup(value
);
1965 irc_dictionary_add(target
->user
->metadata
, md
->name
, md
);
1968 sendto_match_servs(&me
, "*", CAP_ENCAP
, NOCAPS
, "ENCAP * METADATA ADD %s %s :%s",
1969 target
->id
, name
, value
);
1975 * user_metadata_delete
1977 * inputs - pointer to client struct
1978 * - name of metadata item you wish to delete
1980 * side effects - metadata is deleted from the user in question
1981 * - deletion is propegated if propegate is set
1984 user_metadata_delete(struct Client
*target
, const char *name
, int propegate
)
1986 struct Metadata
*md
= user_metadata_find(target
, name
);
1991 irc_dictionary_delete(target
->user
->metadata
, md
->name
);
1996 sendto_match_servs(&me
, "*", CAP_ENCAP
, NOCAPS
, "ENCAP * METADATA DELETE %s %s",
2001 * user_metadata_find
2003 * inputs - pointer to client struct
2004 * - name of metadata item you wish to read
2005 * output - the requested metadata, if it exists, elsewise null.
2009 user_metadata_find(struct Client
*target
, const char *name
)
2014 if(!target
->user
->metadata
)
2017 return irc_dictionary_retrieve(target
->user
->metadata
, name
);
2020 * user_metadata_clear
2022 * inputs - pointer to user struct
2024 * side effects - metadata is cleared from the user in question
2027 user_metadata_clear(struct Client
*target
)
2029 struct Metadata
*md
;
2030 struct DictionaryIter iter
;
2032 DICTIONARY_FOREACH(md
, &iter
, target
->user
->metadata
)
2034 user_metadata_delete(target
, md
->name
, 0);