2 * ircd-ratbox: A slightly useful 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
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
24 * $Id: client.c 23955 2007-05-14 17:22:36Z leeh $
35 #include "irc_string.h"
36 #include "sprintf_irc.h"
44 #include "s_newconf.h"
62 #define DEBUG_EXITED_CLIENTS
64 static void check_pings_list(dlink_list
* list
);
65 static void check_unknowns_list(dlink_list
* list
);
66 static void free_exited_clients(void *unused
);
67 static void exit_aborted_clients(void *unused
);
69 static int exit_remote_client(struct Client
*, struct Client
*, struct Client
*,const char *);
70 static int exit_remote_server(struct Client
*, struct Client
*, struct Client
*,const char *);
71 static int exit_local_client(struct Client
*, struct Client
*, struct Client
*,const char *);
72 static int exit_unknown_client(struct Client
*, struct Client
*, struct Client
*,const char *);
73 static int exit_local_server(struct Client
*, struct Client
*, struct Client
*,const char *);
74 static int qs_server(struct Client
*, struct Client
*, struct Client
*, const char *comment
);
76 static EVH check_pings
;
78 static BlockHeap
*client_heap
= NULL
;
79 static BlockHeap
*lclient_heap
= NULL
;
80 static BlockHeap
*user_heap
;
82 static char current_uid
[IDLEN
];
92 #ifdef DEBUG_EXITED_CLIENTS
93 static dlink_list dead_remote_list
;
99 struct Client
*client
;
100 char notice
[REASONLEN
];
103 static dlink_list abort_list
;
111 * side effects - initialize client free memory
117 * start off the check ping event .. -- adrian
118 * Every 30 seconds is plenty -- db
120 client_heap
= BlockHeapCreate(sizeof(struct Client
), CLIENT_HEAP_SIZE
);
121 lclient_heap
= BlockHeapCreate(sizeof(struct LocalUser
), LCLIENT_HEAP_SIZE
);
122 user_heap
= BlockHeapCreate(sizeof(struct User
), USER_HEAP_SIZE
);
123 eventAddIsh("check_pings", check_pings
, NULL
, 30);
124 eventAddIsh("free_exited_clients", &free_exited_clients
, NULL
, 4);
125 eventAddIsh("exit_aborted_clients", exit_aborted_clients
, NULL
, 1);
126 eventAdd("flood_recalc", flood_recalc
, NULL
, 1);
131 * make_client - create a new Client struct and set it to initial state.
133 * from == NULL, create local client (a client connected
136 * from, create remote client (behind a socket
137 * associated with the client defined by
138 * 'from'). ('from' is a local client!!).
141 make_client(struct Client
*from
)
143 struct Client
*client_p
= NULL
;
144 struct LocalUser
*localClient
;
146 client_p
= BlockHeapAlloc(client_heap
);
150 client_p
->from
= client_p
; /* 'from' of local client is self! */
152 localClient
= (struct LocalUser
*) BlockHeapAlloc(lclient_heap
);
153 SetMyConnect(client_p
);
154 client_p
->localClient
= localClient
;
156 client_p
->localClient
->lasttime
= client_p
->localClient
->firsttime
= CurrentTime
;
158 client_p
->localClient
->fd
= -1;
160 /* as good a place as any... */
161 dlinkAdd(client_p
, &client_p
->localClient
->tnode
, &unknown_list
);
164 { /* from is not NULL */
165 client_p
->localClient
= NULL
;
166 client_p
->from
= from
; /* 'from' of local client is self! */
169 SetUnknown(client_p
);
170 strcpy(client_p
->username
, "unknown");
176 free_local_client(struct Client
*client_p
)
178 s_assert(NULL
!= client_p
);
179 s_assert(&me
!= client_p
);
181 if(client_p
->localClient
== NULL
)
185 * clean up extra sockets from P-lines which have been discarded.
187 if(client_p
->localClient
->listener
)
189 s_assert(0 < client_p
->localClient
->listener
->ref_count
);
190 if(0 == --client_p
->localClient
->listener
->ref_count
191 && !client_p
->localClient
->listener
->active
)
192 free_listener(client_p
->localClient
->listener
);
193 client_p
->localClient
->listener
= 0;
196 if(client_p
->localClient
->fd
>= 0)
197 comm_close(client_p
->localClient
->fd
);
199 if(client_p
->localClient
->passwd
)
201 memset(client_p
->localClient
->passwd
, 0,
202 strlen(client_p
->localClient
->passwd
));
203 MyFree(client_p
->localClient
->passwd
);
206 MyFree(client_p
->localClient
->challenge
);
207 MyFree(client_p
->localClient
->fullcaps
);
208 MyFree(client_p
->localClient
->opername
);
209 MyFree(client_p
->localClient
->slink
);
211 BlockHeapFree(lclient_heap
, client_p
->localClient
);
212 client_p
->localClient
= NULL
;
216 free_client(struct Client
*client_p
)
218 s_assert(NULL
!= client_p
);
219 s_assert(&me
!= client_p
);
220 free_local_client(client_p
);
221 BlockHeapFree(client_heap
, client_p
);
225 * check_pings - go through the local client list and check activity
226 * kill off stuff that should die
228 * inputs - NOT USED (from event)
229 * output - next time_t when check_pings() should be called again
233 * A PING can be sent to clients as necessary.
235 * Client/Server ping outs are handled.
239 * Addon from adrian. We used to call this after nextping seconds,
240 * however I've changed it to run once a second. This is only for
241 * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
242 * run once a second makes life a lot easier - when a new client connects
243 * and they need a ping in 4 seconds, if nextping was set to 20 seconds
244 * we end up waiting 20 seconds. This is stupid. :-)
245 * I will optimise (hah!) check_pings() once I've finished working on
246 * tidying up other network IO evilnesses.
251 check_pings(void *notused
)
253 check_pings_list(&lclient_list
);
254 check_pings_list(&serv_list
);
255 check_unknowns_list(&unknown_list
);
261 * inputs - pointer to list to check
266 check_pings_list(dlink_list
* list
)
268 char scratch
[32]; /* way too generous but... */
269 struct Client
*client_p
; /* current local client_p being examined */
270 int ping
= 0; /* ping time value from client */
271 dlink_node
*ptr
, *next_ptr
;
273 DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
275 client_p
= ptr
->data
;
278 ** Note: No need to notify opers here. It's
279 ** already done when "FLAGS_DEADSOCKET" is set.
281 if(!MyConnect(client_p
) || IsDead(client_p
))
284 if(IsPerson(client_p
))
286 if(!IsExemptKline(client_p
) &&
287 GlobalSetOptions
.idletime
&&
289 ((CurrentTime
- client_p
->localClient
->last
) > GlobalSetOptions
.idletime
))
291 struct ConfItem
*aconf
;
294 aconf
->status
= CONF_KILL
;
296 DupString(aconf
->host
, client_p
->host
);
297 DupString(aconf
->passwd
, "idle exceeder");
298 DupString(aconf
->user
, client_p
->username
);
300 aconf
->hold
= CurrentTime
+ 60;
301 add_temp_kline(aconf
);
302 sendto_realops_flags(UMODE_ALL
, L_ALL
,
303 "Idle time limit exceeded for %s - temp k-lining",
304 get_client_name(client_p
, HIDE_IP
));
306 exit_client(client_p
, client_p
, &me
, aconf
->passwd
);
311 if(!IsRegistered(client_p
))
312 ping
= ConfigFileEntry
.connect_timeout
;
314 ping
= get_client_ping(client_p
);
316 if(ping
< (CurrentTime
- client_p
->localClient
->lasttime
))
319 * If the client/server hasnt talked to us in 2*ping seconds
320 * and it has a ping time, then close its connection.
322 if(((CurrentTime
- client_p
->localClient
->lasttime
) >= (2 * ping
)
323 && (client_p
->flags
& FLAGS_PINGSENT
)))
325 if(IsAnyServer(client_p
))
327 sendto_realops_flags(UMODE_ALL
, L_ALL
,
328 "No response from %s, closing link",
331 "No response from %s, closing link",
332 log_client_name(client_p
, HIDE_IP
));
334 (void) ircsnprintf(scratch
, sizeof(scratch
),
335 "Ping timeout: %d seconds",
336 (int) (CurrentTime
- client_p
->localClient
->lasttime
));
338 exit_client(client_p
, client_p
, &me
, scratch
);
341 else if((client_p
->flags
& FLAGS_PINGSENT
) == 0)
344 * if we havent PINGed the connection and we havent
345 * heard from it in a while, PING it to make sure
348 client_p
->flags
|= FLAGS_PINGSENT
;
349 /* not nice but does the job */
350 client_p
->localClient
->lasttime
= CurrentTime
- ping
;
351 sendto_one(client_p
, "PING :%s", me
.name
);
360 * check_unknowns_list
362 * inputs - pointer to list of unknown clients
364 * side effects - unknown clients get marked for termination after n seconds
367 check_unknowns_list(dlink_list
* list
)
369 dlink_node
*ptr
, *next_ptr
;
370 struct Client
*client_p
;
372 DLINK_FOREACH_SAFE(ptr
, next_ptr
, list
->head
)
374 client_p
= ptr
->data
;
376 if(IsDead(client_p
) || IsClosing(client_p
))
380 * Check UNKNOWN connections - if they have been in this state
381 * for > 30s, close them.
384 if((CurrentTime
- client_p
->localClient
->firsttime
) > 30)
385 exit_client(client_p
, client_p
, &me
, "Connection timed out");
390 notify_banned_client(struct Client
*client_p
, struct ConfItem
*aconf
, int ban
)
392 static const char conn_closed
[] = "Connection closed";
393 static const char d_lined
[] = "D-lined";
394 static const char k_lined
[] = "K-lined";
395 static const char g_lined
[] = "G-lined";
396 const char *reason
= NULL
;
397 const char *exit_reason
= conn_closed
;
399 if(ConfigFileEntry
.kline_with_reason
&& !EmptyString(aconf
->passwd
))
401 reason
= aconf
->passwd
;
402 exit_reason
= aconf
->passwd
;
406 switch (aconf
->status
)
420 if(ban
== D_LINED
&& !IsPerson(client_p
))
421 sendto_one(client_p
, "NOTICE DLINE :*** You have been D-lined");
423 sendto_one(client_p
, form_str(ERR_YOUREBANNEDCREEP
),
424 me
.name
, client_p
->name
, reason
);
426 exit_client(client_p
, client_p
, &me
,
427 EmptyString(ConfigFileEntry
.kline_reason
) ? exit_reason
:
428 ConfigFileEntry
.kline_reason
);
435 * side effects - Check all connections for a pending k/d/gline against the
436 * client, exit the client if found.
439 check_banned_lines(void)
441 struct Client
*client_p
; /* current local client_p being examined */
442 struct ConfItem
*aconf
= NULL
;
443 dlink_node
*ptr
, *next_ptr
;
445 DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
447 client_p
= ptr
->data
;
452 /* if there is a returned struct ConfItem then kill it */
453 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
, client_p
->localClient
->ip
.ss_family
)))
455 if(aconf
->status
& CONF_EXEMPTDLINE
)
458 sendto_realops_flags(UMODE_ALL
, L_ALL
,
459 "DLINE active for %s",
460 get_client_name(client_p
, HIDE_IP
));
462 notify_banned_client(client_p
, aconf
, D_LINED
);
463 continue; /* and go examine next fd/client_p */
466 if(!IsPerson(client_p
))
469 if((aconf
= find_kline(client_p
)) != NULL
)
471 if(IsExemptKline(client_p
))
473 sendto_realops_flags(UMODE_ALL
, L_ALL
,
474 "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
475 get_client_name(client_p
, HIDE_IP
),
476 aconf
->user
, aconf
->host
);
480 sendto_realops_flags(UMODE_ALL
, L_ALL
,
481 "KLINE active for %s",
482 get_client_name(client_p
, HIDE_IP
));
483 notify_banned_client(client_p
, aconf
, K_LINED
);
486 else if((aconf
= find_gline(client_p
)) != NULL
)
488 if(IsExemptKline(client_p
))
490 sendto_realops_flags(UMODE_ALL
, L_ALL
,
491 "GLINE over-ruled for %s, client is kline_exempt [%s@%s]",
492 get_client_name(client_p
, HIDE_IP
),
493 aconf
->user
, aconf
->host
);
497 if(IsExemptGline(client_p
))
499 sendto_realops_flags(UMODE_ALL
, L_ALL
,
500 "GLINE over-ruled for %s, client is gline_exempt [%s@%s]",
501 get_client_name(client_p
, HIDE_IP
),
502 aconf
->user
, aconf
->host
);
506 sendto_realops_flags(UMODE_ALL
, L_ALL
,
507 "GLINE active for %s",
508 get_client_name(client_p
, HIDE_IP
));
510 notify_banned_client(client_p
, aconf
, G_LINED
);
513 else if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
515 if(IsExemptKline(client_p
))
517 sendto_realops_flags(UMODE_ALL
, L_ALL
,
518 "XLINE over-ruled for %s, client is kline_exempt [%s]",
519 get_client_name(client_p
, HIDE_IP
),
524 sendto_realops_flags(UMODE_ALL
, L_ALL
, "XLINE active for %s",
525 get_client_name(client_p
, HIDE_IP
));
527 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
532 /* also check the unknowns list for new dlines */
533 DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
535 client_p
= ptr
->data
;
537 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)))
539 if(aconf
->status
& CONF_EXEMPTDLINE
)
542 notify_banned_client(client_p
, aconf
, D_LINED
);
548 /* check_klines_event()
552 * side effects - check_klines() is called, kline_queued unset
555 check_klines_event(void *unused
)
565 * side effects - all clients will be checked for klines
570 struct Client
*client_p
;
571 struct ConfItem
*aconf
;
573 dlink_node
*next_ptr
;
575 DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
577 client_p
= ptr
->data
;
579 if(IsMe(client_p
) || !IsPerson(client_p
))
582 if((aconf
= find_kline(client_p
)) != NULL
)
584 if(IsExemptKline(client_p
))
586 sendto_realops_flags(UMODE_ALL
, L_ALL
,
587 "KLINE over-ruled for %s, client is kline_exempt",
588 get_client_name(client_p
, HIDE_IP
));
592 sendto_realops_flags(UMODE_ALL
, L_ALL
,
593 "KLINE active for %s",
594 get_client_name(client_p
, HIDE_IP
));
596 notify_banned_client(client_p
, aconf
, K_LINED
);
606 * side effects - all clients will be checked for glines
611 struct Client
*client_p
;
612 struct ConfItem
*aconf
;
614 dlink_node
*next_ptr
;
616 DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
618 client_p
= ptr
->data
;
620 if(IsMe(client_p
) || !IsPerson(client_p
))
623 if((aconf
= find_gline(client_p
)) != NULL
)
625 if(IsExemptKline(client_p
))
627 sendto_realops_flags(UMODE_ALL
, L_ALL
,
628 "GLINE over-ruled for %s, client is kline_exempt",
629 get_client_name(client_p
, HIDE_IP
));
633 if(IsExemptGline(client_p
))
635 sendto_realops_flags(UMODE_ALL
, L_ALL
,
636 "GLINE over-ruled for %s, client is gline_exempt",
637 get_client_name(client_p
, HIDE_IP
));
641 sendto_realops_flags(UMODE_ALL
, L_ALL
,
642 "GLINE active for %s",
643 get_client_name(client_p
, HIDE_IP
));
645 notify_banned_client(client_p
, aconf
, K_LINED
);
655 * side effects - all clients will be checked for dlines
660 struct Client
*client_p
;
661 struct ConfItem
*aconf
;
663 dlink_node
*next_ptr
;
665 DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
667 client_p
= ptr
->data
;
672 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
674 if(aconf
->status
& CONF_EXEMPTDLINE
)
677 sendto_realops_flags(UMODE_ALL
, L_ALL
,
678 "DLINE active for %s",
679 get_client_name(client_p
, HIDE_IP
));
681 notify_banned_client(client_p
, aconf
, D_LINED
);
686 /* dlines need to be checked against unknowns too */
687 DLINK_FOREACH_SAFE(ptr
, next_ptr
, unknown_list
.head
)
689 client_p
= ptr
->data
;
691 if((aconf
= find_dline((struct sockaddr
*)&client_p
->localClient
->ip
,client_p
->localClient
->ip
.ss_family
)) != NULL
)
693 if(aconf
->status
& CONF_EXEMPTDLINE
)
696 notify_banned_client(client_p
, aconf
, D_LINED
);
705 * side effects - all clients will be checked for xlines
710 struct Client
*client_p
;
711 struct ConfItem
*aconf
;
713 dlink_node
*next_ptr
;
715 DLINK_FOREACH_SAFE(ptr
, next_ptr
, lclient_list
.head
)
717 client_p
= ptr
->data
;
719 if(IsMe(client_p
) || !IsPerson(client_p
))
722 if((aconf
= find_xline(client_p
->info
, 1)) != NULL
)
724 if(IsExemptKline(client_p
))
726 sendto_realops_flags(UMODE_ALL
, L_ALL
,
727 "XLINE over-ruled for %s, client is kline_exempt",
728 get_client_name(client_p
, HIDE_IP
));
732 sendto_realops_flags(UMODE_ALL
, L_ALL
, "XLINE active for %s",
733 get_client_name(client_p
, HIDE_IP
));
735 (void) exit_client(client_p
, client_p
, &me
, "Bad user info");
742 * update_client_exit_stats
744 * input - pointer to client
749 update_client_exit_stats(struct Client
*client_p
)
751 if(IsServer(client_p
))
753 sendto_realops_flags(UMODE_EXTERNAL
, L_ALL
,
754 "Server %s split from %s",
755 client_p
->name
, client_p
->servptr
->name
);
756 if(HasSentEob(client_p
))
759 else if(IsClient(client_p
))
764 if(IsInvisible(client_p
))
768 if(splitchecking
&& !splitmode
)
769 check_splitmode(NULL
);
773 * release_client_state
775 * input - pointer to client to release
780 release_client_state(struct Client
*client_p
)
782 if(client_p
->user
!= NULL
)
784 free_user(client_p
->user
, client_p
); /* try this here */
788 if(client_p
->serv
->fullcaps
)
789 MyFree(client_p
->serv
->fullcaps
);
790 MyFree(client_p
->serv
);
795 * remove_client_from_list
796 * inputs - point to client to remove
798 * side effects - taken the code from ExitOneClient() for this
799 * and placed it here. - avalon
802 remove_client_from_list(struct Client
*client_p
)
804 s_assert(NULL
!= client_p
);
809 /* A client made with make_client()
810 * is on the unknown_list until removed.
811 * If it =does= happen to exit before its removed from that list
812 * and its =not= on the global_client_list, it will core here.
813 * short circuit that case now -db
815 if(client_p
->node
.prev
== NULL
&& client_p
->node
.next
== NULL
)
818 dlinkDelete(&client_p
->node
, &global_client_list
);
820 update_client_exit_stats(client_p
);
825 * find_person - find person by (nick)name.
826 * inputs - pointer to name
827 * output - return client pointer
831 find_person(const char *name
)
833 struct Client
*c2ptr
;
835 c2ptr
= find_client(name
);
837 if(c2ptr
&& IsPerson(c2ptr
))
843 find_named_person(const char *name
)
845 struct Client
*c2ptr
;
847 c2ptr
= find_named_client(name
);
849 if(c2ptr
&& IsPerson(c2ptr
))
856 * find_chasing - find the client structure for a nick name (user)
857 * using history mechanism if necessary. If the client is not found,
858 * an error message (NO SUCH NICK) is generated. If the client was found
859 * through the history, chasing will be 1 and otherwise 0.
862 find_chasing(struct Client
*source_p
, const char *user
, int *chasing
)
866 if(MyClient(source_p
))
867 who
= find_named_person(user
);
869 who
= find_person(user
);
874 if(who
|| IsDigit(*user
))
877 if(!(who
= get_history(user
, (long) KILLCHASETIMELIMIT
)))
879 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
880 form_str(ERR_NOSUCHNICK
), user
);
889 * get_client_name - Return the name of the client
890 * for various tracking and
891 * admin purposes. The main purpose of this function is to
892 * return the "socket host" name of the client, if that
893 * differs from the advertised name (other than case).
894 * But, this can be used to any client structure.
897 * Watch out the allocation of "nbuf", if either source_p->name
898 * or source_p->sockhost gets changed into pointers instead of
899 * directly allocated within the structure...
902 * Function return either a pointer to the structure (source_p) or
903 * to internal buffer (nbuf). *NEVER* use the returned pointer
904 * to modify what it points!!!
908 get_client_name(struct Client
*client
, int showip
)
910 static char empty_name
[] = "";
911 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
914 s_assert(NULL
!= client
);
918 if(MyConnect(client
))
920 if(EmptyString(client
->name
))
925 if(!irccmp(name
, client
->host
))
928 if(ConfigFileEntry
.hide_spoof_ips
&&
929 showip
== SHOW_IP
&& IsIPSpoof(client
))
931 if(IsAnyServer(client
))
934 /* And finally, let's get the host information, ip or name */
938 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
939 name
, client
->username
,
943 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
944 name
, client
->username
);
947 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
948 name
, client
->username
, client
->host
);
953 /* As pointed out by Adel Mezibra
954 * Neph|l|m@EFnet. Was missing a return here.
961 * This version is the same as get_client_name, but doesnt contain the
962 * code that will hide IPs always. This should be used for logfiles.
965 log_client_name(struct Client
*target_p
, int showip
)
967 static const char empty_name
[] = "";
968 static char nbuf
[HOSTLEN
* 2 + USERLEN
+ 5];
974 if(EmptyString(target_p
->name
))
977 name
= target_p
->name
;
979 if(MyConnect(target_p
))
981 if(irccmp(name
, target_p
->host
) == 0)
987 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
988 name
, target_p
->username
, target_p
->sockhost
);
992 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@255.255.255.255]",
993 name
, target_p
->username
);
996 ircsnprintf(nbuf
, sizeof(nbuf
), "%s[%s@%s]",
997 name
, target_p
->username
, target_p
->host
);
1007 free_exited_clients(void *unused
)
1009 dlink_node
*ptr
, *next
;
1010 struct Client
*target_p
;
1012 DLINK_FOREACH_SAFE(ptr
, next
, dead_list
.head
)
1014 target_p
= ptr
->data
;
1016 #ifdef DEBUG_EXITED_CLIENTS
1018 struct abort_client
*abt
;
1022 DLINK_FOREACH(aptr
, abort_list
.head
)
1025 if(abt
->client
== target_p
)
1028 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1029 "On abort_list: %s stat: %u flags: %u/%u handler: %c",
1030 target_p
->name
, (unsigned int) target_p
->status
,
1031 target_p
->flags
, target_p
->flags2
, target_p
->handler
);
1032 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1033 "Please report this to the ratbox developers!");
1040 dlinkDestroy(ptr
, &dead_list
);
1046 if(ptr
->data
== NULL
)
1048 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1049 "Warning: null client on dead_list!");
1050 dlinkDestroy(ptr
, &dead_list
);
1053 release_client_state(target_p
);
1054 free_client(target_p
);
1055 dlinkDestroy(ptr
, &dead_list
);
1058 #ifdef DEBUG_EXITED_CLIENTS
1059 DLINK_FOREACH_SAFE(ptr
, next
, dead_remote_list
.head
)
1061 target_p
= ptr
->data
;
1063 if(ptr
->data
== NULL
)
1065 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1066 "Warning: null client on dead_list!");
1067 dlinkDestroy(ptr
, &dead_list
);
1070 release_client_state(target_p
);
1071 free_client(target_p
);
1072 dlinkDestroy(ptr
, &dead_remote_list
);
1079 ** Recursively send QUITs and SQUITs for source_p and all its dependent clients
1080 ** and servers to those servers that need them. A server needs the client
1081 ** QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
1082 ** isn't getting the SQUIT because of @#(*&@)# hostmasking. With TS4, once
1083 ** a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
1084 ** on that one -orabidoo
1087 recurse_send_quits(struct Client
*client_p
, struct Client
*source_p
,
1088 struct Client
*to
, const char *comment
,
1091 struct Client
*target_p
;
1092 dlink_node
*ptr
, *ptr_next
;
1093 /* If this server can handle quit storm (QS) removal
1094 * of dependents, just send the SQUIT
1097 if(IsCapable(to
, CAP_QS
))
1099 sendto_one(to
, "SQUIT %s :%s",
1100 get_id(source_p
, to
), me
.name
);
1104 DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1106 target_p
= ptr
->data
;
1107 sendto_one(to
, ":%s QUIT :%s", target_p
->name
, comment
);
1109 DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1111 target_p
= ptr
->data
;
1112 recurse_send_quits(client_p
, target_p
, to
, comment
, myname
);
1114 if(!match(myname
, source_p
->name
))
1115 sendto_one(to
, "SQUIT %s :%s", source_p
->name
, me
.name
);
1120 ** Remove all clients that depend on source_p; assumes all (S)QUITs have
1121 ** already been sent. we make sure to exit a server's dependent clients
1122 ** and servers before the server itself; exit_one_client takes care of
1123 ** actually removing things off llists. tweaked from +CSr31 -orabidoo
1126 * added sanity test code.... source_p->serv might be NULL...
1129 recurse_remove_clients(struct Client
*source_p
, const char *comment
)
1131 struct Client
*target_p
;
1132 dlink_node
*ptr
, *ptr_next
;
1137 if(source_p
->serv
== NULL
) /* oooops. uh this is actually a major bug */
1140 /* this is very ugly, but it saves cpu :P */
1141 if(ConfigFileEntry
.nick_delay
> 0)
1143 DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1145 target_p
= ptr
->data
;
1146 target_p
->flags
|= FLAGS_KILLED
;
1147 add_nd_entry(target_p
->name
);
1149 if(!IsDead(target_p
) && !IsClosing(target_p
))
1150 exit_remote_client(NULL
, target_p
, &me
, comment
);
1155 DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->users
.head
)
1157 target_p
= ptr
->data
;
1158 target_p
->flags
|= FLAGS_KILLED
;
1160 if(!IsDead(target_p
) && !IsClosing(target_p
))
1161 exit_remote_client(NULL
, target_p
, &me
, comment
);
1165 DLINK_FOREACH_SAFE(ptr
, ptr_next
, source_p
->serv
->servers
.head
)
1167 target_p
= ptr
->data
;
1168 recurse_remove_clients(target_p
, comment
);
1169 qs_server(NULL
, target_p
, &me
, comment
);
1174 ** Remove *everything* that depends on source_p, from all lists, and sending
1175 ** all necessary QUITs and SQUITs. source_p itself is still on the lists,
1176 ** and its SQUITs have been sent except for the upstream one -orabidoo
1179 remove_dependents(struct Client
*client_p
,
1180 struct Client
*source_p
,
1181 struct Client
*from
, const char *comment
, const char *comment1
)
1184 static char myname
[HOSTLEN
+ 1];
1185 dlink_node
*ptr
, *next
;
1187 DLINK_FOREACH_SAFE(ptr
, next
, serv_list
.head
)
1191 if(IsMe(to
) || to
== source_p
->from
||
1192 (to
== client_p
&& IsCapable(to
, CAP_QS
)))
1195 /* MyConnect(source_p) is rotten at this point: if source_p
1196 * was mine, ->from is NULL.
1198 /* The WALLOPS isn't needed here as pointed out by
1199 * comstud, since m_squit already does the notification.
1202 strlcpy(myname
, me
.name
, sizeof(myname
));
1203 recurse_send_quits(client_p
, source_p
, to
, comment1
, myname
);
1206 recurse_remove_clients(source_p
, comment1
);
1210 exit_aborted_clients(void *unused
)
1212 struct abort_client
*abt
;
1213 dlink_node
*ptr
, *next
;
1214 DLINK_FOREACH_SAFE(ptr
, next
, abort_list
.head
)
1218 #ifdef DEBUG_EXITED_CLIENTS
1220 if(dlinkFind(abt
->client
, &dead_list
))
1223 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1224 "On dead_list: %s stat: %u flags: %u/%u handler: %c",
1225 abt
->client
->name
, (unsigned int) abt
->client
->status
,
1226 abt
->client
->flags
, abt
->client
->flags2
, abt
->client
->handler
);
1227 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1228 "Please report this to the ratbox developers!");
1234 s_assert(*((unsigned long*)abt
->client
) != 0xdeadbeef); /* This is lame but its a debug thing */
1235 dlinkDelete(ptr
, &abort_list
);
1237 if(IsAnyServer(abt
->client
))
1238 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1239 "Closing link to %s: %s",
1240 abt
->client
->name
, abt
->notice
);
1242 /* its no longer on abort list - we *must* remove
1243 * FLAGS_CLOSING otherwise exit_client() will not run --fl
1245 abt
->client
->flags
&= ~FLAGS_CLOSING
;
1246 exit_client(abt
->client
, abt
->client
, &me
, abt
->notice
);
1253 * dead_link - Adds client to a list of clients that need an exit_client()
1257 dead_link(struct Client
*client_p
, int sendqex
)
1259 struct abort_client
*abt
;
1261 s_assert(!IsMe(client_p
));
1262 if(IsDead(client_p
) || IsClosing(client_p
) || IsMe(client_p
))
1265 abt
= (struct abort_client
*) MyMalloc(sizeof(struct abort_client
));
1268 strlcpy(abt
->notice
, "Max SendQ exceeded", sizeof(abt
->notice
));
1270 ircsnprintf(abt
->notice
, sizeof(abt
->notice
), "Write error: %s", strerror(errno
));
1272 abt
->client
= client_p
;
1273 SetIOError(client_p
);
1275 SetClosing(client_p
);
1276 dlinkAdd(abt
, &abt
->node
, &abort_list
);
1280 /* This does the remove of the user from channels..local or remote */
1282 exit_generic_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1283 const char *comment
)
1285 sendto_common_channels_local(source_p
, ":%s!%s@%s QUIT :%s",
1287 source_p
->username
, source_p
->host
, comment
);
1289 remove_user_from_channels(source_p
);
1291 /* Should not be in any channels now */
1292 s_assert(source_p
->user
->channel
.head
== NULL
);
1294 /* Clean up allow lists */
1295 del_all_accepts(source_p
);
1297 add_history(source_p
, 0);
1298 off_history(source_p
);
1300 monitor_signoff(source_p
);
1302 if(has_id(source_p
))
1303 del_from_id_hash(source_p
->id
, source_p
);
1305 del_from_hostname_hash(source_p
->host
, source_p
);
1306 del_from_client_hash(source_p
->name
, source_p
);
1307 remove_client_from_list(source_p
);
1311 * Assumes IsPerson(source_p) && !MyConnect(source_p)
1315 exit_remote_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1316 const char *comment
)
1318 exit_generic_client(client_p
, source_p
, from
, comment
);
1320 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1322 dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->users
);
1325 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1327 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1328 ":%s QUIT :%s", use_id(source_p
), comment
);
1329 sendto_server(client_p
, NULL
, NOCAPS
, CAP_TS6
,
1330 ":%s QUIT :%s", source_p
->name
, comment
);
1334 #ifdef DEBUG_EXITED_CLIENTS
1335 dlinkAddAlloc(source_p
, &dead_remote_list
);
1337 dlinkAddAlloc(source_p
, &dead_list
);
1339 return(CLIENT_EXITED
);
1343 * This assumes IsUnknown(source_p) == TRUE and MyConnect(source_p) == TRUE
1347 exit_unknown_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1348 const char *comment
)
1350 delete_auth_queries(source_p
);
1351 client_flush_input(source_p
);
1352 del_unknown_ip(source_p
);
1353 dlinkDelete(&source_p
->localClient
->tnode
, &unknown_list
);
1355 if(!IsIOError(source_p
))
1356 sendto_one(source_p
, "ERROR :Closing Link: 127.0.0.1 (%s)", comment
);
1358 close_connection(source_p
);
1360 del_from_hostname_hash(source_p
->host
, source_p
);
1361 del_from_client_hash(source_p
->name
, source_p
);
1362 remove_client_from_list(source_p
);
1364 dlinkAddAlloc(source_p
, &dead_list
);
1366 /* Note that we don't need to add unknowns to the dead_list */
1367 return(CLIENT_EXITED
);
1371 exit_remote_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1372 const char *comment
)
1374 static char comment1
[(HOSTLEN
*2)+2];
1375 struct Client
*target_p
;
1377 if(source_p
->servptr
)
1378 strcpy(comment1
, source_p
->servptr
->name
);
1380 strcpy(comment1
, "<Unknown>");
1382 strcat(comment1
, " ");
1383 strcat(comment1
, source_p
->name
);
1384 if(source_p
->serv
!= NULL
)
1385 remove_dependents(client_p
, source_p
, from
, comment
, comment1
);
1387 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1388 dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1392 dlinkFindDestroy(source_p
, &global_serv_list
);
1393 target_p
= source_p
->from
;
1395 if(target_p
!= NULL
&& IsServer(target_p
) && target_p
!= client_p
&&
1396 !IsMe(target_p
) && (source_p
->flags
& FLAGS_KILLED
) == 0)
1398 sendto_one(target_p
, ":%s SQUIT %s :%s",
1399 get_id(from
, target_p
), get_id(source_p
, target_p
),
1403 if(has_id(source_p
))
1404 del_from_id_hash(source_p
->id
, source_p
);
1406 del_from_client_hash(source_p
->name
, source_p
);
1407 remove_client_from_list(source_p
);
1410 #ifdef DEBUG_EXITED_CLIENTS
1411 dlinkAddAlloc(source_p
, &dead_remote_list
);
1413 dlinkAddAlloc(source_p
, &dead_list
);
1419 qs_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1420 const char *comment
)
1422 struct Client
*target_p
;
1424 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1425 dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1429 dlinkFindDestroy(source_p
, &global_serv_list
);
1430 target_p
= source_p
->from
;
1432 if(has_id(source_p
))
1433 del_from_id_hash(source_p
->id
, source_p
);
1435 del_from_client_hash(source_p
->name
, source_p
);
1436 remove_client_from_list(source_p
);
1439 dlinkAddAlloc(source_p
, &dead_list
);
1444 exit_local_server(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1445 const char *comment
)
1447 static char comment1
[(HOSTLEN
*2)+2];
1448 unsigned int sendk
, recvk
;
1450 dlinkDelete(&source_p
->localClient
->tnode
, &serv_list
);
1451 dlinkFindDestroy(source_p
, &global_serv_list
);
1453 unset_chcap_usage_counts(source_p
);
1454 sendk
= source_p
->localClient
->sendK
;
1455 recvk
= source_p
->localClient
->receiveK
;
1457 if(client_p
!= NULL
&& source_p
!= client_p
&& !IsIOError(source_p
))
1459 sendto_one(source_p
, "ERROR :Closing Link: 127.0.0.1 %s (%s)",
1460 source_p
->name
, comment
);
1463 if(source_p
->localClient
->slink
&& source_p
->localClient
->slink
->ctrlfd
>= 0)
1465 comm_close(source_p
->localClient
->slink
->ctrlfd
);
1466 source_p
->localClient
->slink
->ctrlfd
= -1;
1469 if(source_p
->servptr
&& source_p
->servptr
->serv
)
1470 dlinkDelete(&source_p
->lnode
, &source_p
->servptr
->serv
->servers
);
1475 close_connection(source_p
);
1477 if(source_p
->servptr
)
1478 strcpy(comment1
, source_p
->servptr
->name
);
1480 strcpy(comment1
, "<Unknown>");
1482 strcat(comment1
, " ");
1483 strcat(comment1
, source_p
->name
);
1485 if(source_p
->serv
!= NULL
)
1486 remove_dependents(client_p
, source_p
, from
, comment
, comment1
);
1488 sendto_realops_flags(UMODE_ALL
, L_ALL
, "%s was connected"
1489 " for %ld seconds. %d/%d sendK/recvK.",
1490 source_p
->name
, CurrentTime
- source_p
->localClient
->firsttime
, sendk
, recvk
);
1492 ilog(L_SERVER
, "%s was connected for %ld seconds. %d/%d sendK/recvK.",
1493 source_p
->name
, CurrentTime
- source_p
->localClient
->firsttime
, sendk
, recvk
);
1495 if(has_id(source_p
))
1496 del_from_id_hash(source_p
->id
, source_p
);
1498 del_from_client_hash(source_p
->name
, source_p
);
1499 remove_client_from_list(source_p
);
1502 dlinkAddAlloc(source_p
, &dead_list
);
1508 * This assumes IsPerson(source_p) == TRUE && MyConnect(source_p) == TRUE
1512 exit_local_client(struct Client
*client_p
, struct Client
*source_p
, struct Client
*from
,
1513 const char *comment
)
1515 dlink_node
*ptr
, *next_ptr
;
1516 unsigned long on_for
;
1518 exit_generic_client(client_p
, source_p
, from
, comment
);
1519 clear_monitor(source_p
);
1521 s_assert(IsPerson(source_p
));
1522 client_flush_input(source_p
);
1523 dlinkDelete(&source_p
->localClient
->tnode
, &lclient_list
);
1524 dlinkDelete(&source_p
->lnode
, &me
.serv
->users
);
1526 if(IsOper(source_p
))
1527 dlinkFindDestroy(source_p
, &oper_list
);
1529 /* Clean up invitefield */
1530 DLINK_FOREACH_SAFE(ptr
, next_ptr
, source_p
->localClient
->invited
.head
)
1532 del_invite(ptr
->data
, source_p
);
1535 sendto_realops_flags(UMODE_CCONN
, L_ALL
,
1536 "Client exiting: %s (%s@%s) [%s] [%s]",
1538 source_p
->username
, source_p
->host
, comment
,
1539 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255");
1541 sendto_realops_flags(UMODE_CCONNEXT
, L_ALL
,
1542 "CLIEXIT %s %s %s %s 0 %s",
1543 source_p
->name
, source_p
->username
, source_p
->host
,
1544 show_ip(NULL
, source_p
) ? source_p
->sockhost
: "255.255.255.255",
1547 on_for
= CurrentTime
- source_p
->localClient
->firsttime
;
1549 ilog(L_USER
, "%s (%3lu:%02lu:%02lu): %s!%s@%s %d/%d",
1550 myctime(CurrentTime
), on_for
/ 3600,
1551 (on_for
% 3600) / 60, on_for
% 60,
1552 source_p
->name
, source_p
->username
, source_p
->host
,
1553 source_p
->localClient
->sendK
, source_p
->localClient
->receiveK
);
1555 sendto_one(source_p
, "ERROR :Closing Link: %s (%s)", source_p
->host
, comment
);
1556 close_connection(source_p
);
1558 if((source_p
->flags
& FLAGS_KILLED
) == 0)
1560 sendto_server(client_p
, NULL
, CAP_TS6
, NOCAPS
,
1561 ":%s QUIT :%s", use_id(source_p
), comment
);
1562 sendto_server(client_p
, NULL
, NOCAPS
, CAP_TS6
,
1563 ":%s QUIT :%s", source_p
->name
, comment
);
1567 dlinkAddAlloc(source_p
, &dead_list
);
1568 return(CLIENT_EXITED
);
1573 ** exit_client - This is old "m_bye". Name changed, because this is not a
1574 ** protocol function, but a general server utility function.
1576 ** This function exits a client of *any* type (user, server, etc)
1577 ** from this server. Also, this generates all necessary prototol
1578 ** messages that this exit may cause.
1580 ** 1) If the client is a local client, then this implicitly
1581 ** exits all other clients depending on this connection (e.g.
1582 ** remote clients having 'from'-field that points to this.
1584 ** 2) If the client is a remote client, then only this is exited.
1586 ** For convenience, this function returns a suitable value for
1587 ** m_function return value:
1589 ** CLIENT_EXITED if (client_p == source_p)
1590 ** 0 if (client_p != source_p)
1593 exit_client(struct Client
*client_p
, /* The local client originating the
1594 * exit or NULL, if this exit is
1595 * generated by this server for
1597 * This will not get any of the
1598 * generated messages. */
1599 struct Client
*source_p
, /* Client exiting */
1600 struct Client
*from
, /* Client firing off this Exit,
1602 const char *comment
/* Reason for the exit */
1605 if(IsClosing(source_p
))
1608 /* note, this HAS to be here, when we exit a client we attempt to
1609 * send them data, if this generates a write error we must *not* add
1610 * them to the abort list --fl
1612 SetClosing(source_p
);
1614 if(MyConnect(source_p
))
1616 /* Local clients of various types */
1617 if(IsPerson(source_p
))
1618 return exit_local_client(client_p
, source_p
, from
, comment
);
1619 else if(IsServer(source_p
))
1620 return exit_local_server(client_p
, source_p
, from
, comment
);
1621 /* IsUnknown || IsConnecting || IsHandShake */
1622 else if(!IsReject(source_p
))
1623 return exit_unknown_client(client_p
, source_p
, from
, comment
);
1628 if(IsPerson(source_p
))
1629 return exit_remote_client(client_p
, source_p
, from
, comment
);
1630 else if(IsServer(source_p
))
1631 return exit_remote_server(client_p
, source_p
, from
, comment
);
1638 * Count up local client memory
1641 /* XXX one common Client list now */
1643 count_local_client_memory(size_t * count
, size_t * local_client_memory_used
)
1646 BlockHeapUsage(lclient_heap
, count
, NULL
, &lusage
);
1647 *local_client_memory_used
= lusage
+ (*count
* (sizeof(MemBlock
) + sizeof(struct Client
)));
1651 * Count up remote client memory
1654 count_remote_client_memory(size_t * count
, size_t * remote_client_memory_used
)
1656 size_t lcount
, rcount
;
1657 BlockHeapUsage(lclient_heap
, &lcount
, NULL
, NULL
);
1658 BlockHeapUsage(client_heap
, &rcount
, NULL
, NULL
);
1659 *count
= rcount
- lcount
;
1660 *remote_client_memory_used
= *count
* (sizeof(MemBlock
) + sizeof(struct Client
));
1665 * accept processing, this adds a form of "caller ID" to ircd
1667 * If a client puts themselves into "caller ID only" mode,
1668 * only clients that match a client pointer they have put on
1669 * the accept list will be allowed to message them.
1671 * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1673 * [target.allow_list] -> [ source1 ] -> [source2 ]
1675 * i.e. a target will have a link list of source pointers it will allow
1676 * each source client then has a back pointer pointing back
1677 * to the client that has it on its accept list.
1678 * This allows for exit_one_client to remove these now bogus entries
1679 * from any client having an accept on them.
1684 * inputs - pointer to exiting client
1686 * side effects - Walk through given clients allow_list and on_allow_list
1687 * remove all references to this client
1690 del_all_accepts(struct Client
*client_p
)
1693 dlink_node
*next_ptr
;
1694 struct Client
*target_p
;
1696 if(MyClient(client_p
) && client_p
->localClient
->allow_list
.head
)
1698 /* clear this clients accept list, and remove them from
1699 * everyones on_accept_list
1701 DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->localClient
->allow_list
.head
)
1703 target_p
= ptr
->data
;
1704 dlinkFindDestroy(client_p
, &target_p
->on_allow_list
);
1705 dlinkDestroy(ptr
, &client_p
->localClient
->allow_list
);
1709 /* remove this client from everyones accept list */
1710 DLINK_FOREACH_SAFE(ptr
, next_ptr
, client_p
->on_allow_list
.head
)
1712 target_p
= ptr
->data
;
1713 dlinkFindDestroy(client_p
, &target_p
->localClient
->allow_list
);
1714 dlinkDestroy(ptr
, &client_p
->on_allow_list
);
1719 show_ip(struct Client
*source_p
, struct Client
*target_p
)
1721 if(IsAnyServer(target_p
))
1725 else if(IsIPSpoof(target_p
))
1727 /* source == NULL indicates message is being sent
1730 if(!ConfigFileEntry
.hide_spoof_ips
&&
1731 (source_p
== NULL
|| MyOper(source_p
)))
1741 show_ip_conf(struct ConfItem
*aconf
, struct Client
*source_p
)
1743 if(IsConfDoSpoofIp(aconf
))
1745 if(!ConfigFileEntry
.hide_spoof_ips
&& MyOper(source_p
))
1757 * inputs - pointer to client struct
1758 * output - pointer to struct User
1759 * side effects - add's an User information block to a client
1760 * if it was not previously allocated.
1763 make_user(struct Client
*client_p
)
1767 user
= client_p
->user
;
1770 user
= (struct User
*) BlockHeapAlloc(user_heap
);
1771 client_p
->user
= user
;
1779 * inputs - pointer to client struct
1780 * output - pointer to struct Server
1781 * side effects - add's an Server information block to a client
1782 * if it was not previously allocated.
1785 make_server(struct Client
*client_p
)
1787 struct Server
*serv
= client_p
->serv
;
1791 serv
= (struct Server
*) MyMalloc(sizeof(struct Server
));
1792 client_p
->serv
= serv
;
1794 return client_p
->serv
;
1800 * inputs - pointer to user struct
1801 * - pointer to client struct
1803 * side effects - Decrease user reference count by one and release block,
1804 * if count reaches 0
1807 free_user(struct User
*user
, struct Client
*client_p
)
1814 if(user
->channel
.head
)
1816 sendto_realops_flags(UMODE_ALL
, L_ALL
,
1817 "* %#lx user (%s!%s@%s) %#lx %#lx %lu *",
1818 (unsigned long) client_p
,
1819 client_p
? client_p
->
1823 (unsigned long) user
,
1824 (unsigned long) user
->channel
.head
,
1825 dlink_list_length(&user
->channel
));
1826 s_assert(!user
->channel
.head
);
1829 BlockHeapFree(user_heap
, user
);
1837 for(i
= 0; i
< 3; i
++)
1838 current_uid
[i
] = me
.id
[i
];
1840 for(i
= 3; i
< 9; i
++)
1841 current_uid
[i
] = 'A';
1843 current_uid
[9] = '\0';
1852 for(i
= 8; i
> 3; i
--)
1854 if(current_uid
[i
] == 'Z')
1856 current_uid
[i
] = '0';
1859 else if(current_uid
[i
] != '9')
1865 current_uid
[i
] = 'A';
1868 /* if this next if() triggers, we're fucked. */
1869 if(current_uid
[3] == 'Z')
1871 current_uid
[i
] = 'A';
1882 * Close the physical connection. This function must make
1883 * MyConnect(client_p) == FALSE, and set client_p->from == NULL.
1886 close_connection(struct Client
*client_p
)
1888 s_assert(client_p
!= NULL
);
1889 if(client_p
== NULL
)
1892 s_assert(MyConnect(client_p
));
1893 if(!MyConnect(client_p
))
1896 if(IsServer(client_p
))
1898 struct server_conf
*server_p
;
1900 ServerStats
->is_sv
++;
1901 ServerStats
->is_sbs
+= client_p
->localClient
->sendB
;
1902 ServerStats
->is_sbr
+= client_p
->localClient
->receiveB
;
1903 ServerStats
->is_sks
+= client_p
->localClient
->sendK
;
1904 ServerStats
->is_skr
+= client_p
->localClient
->receiveK
;
1905 ServerStats
->is_sti
+= CurrentTime
- client_p
->localClient
->firsttime
;
1906 if(ServerStats
->is_sbs
> 2047)
1908 ServerStats
->is_sks
+= (ServerStats
->is_sbs
>> 10);
1909 ServerStats
->is_sbs
&= 0x3ff;
1911 if(ServerStats
->is_sbr
> 2047)
1913 ServerStats
->is_skr
+= (ServerStats
->is_sbr
>> 10);
1914 ServerStats
->is_sbr
&= 0x3ff;
1918 * If the connection has been up for a long amount of time, schedule
1919 * a 'quick' reconnect, else reset the next-connect cycle.
1921 if((server_p
= find_server_conf(client_p
->name
)) != NULL
)
1924 * Reschedule a faster reconnect, if this was a automatically
1925 * connected configuration entry. (Note that if we have had
1926 * a rehash in between, the status has been changed to
1927 * CONF_ILLEGAL). But only do this if it was a "good" link.
1929 server_p
->hold
= time(NULL
);
1931 (server_p
->hold
- client_p
->localClient
->lasttime
>
1932 HANGONGOODLINK
) ? HANGONRETRYDELAY
: ConFreq(server_p
->class);
1936 else if(IsClient(client_p
))
1938 ServerStats
->is_cl
++;
1939 ServerStats
->is_cbs
+= client_p
->localClient
->sendB
;
1940 ServerStats
->is_cbr
+= client_p
->localClient
->receiveB
;
1941 ServerStats
->is_cks
+= client_p
->localClient
->sendK
;
1942 ServerStats
->is_ckr
+= client_p
->localClient
->receiveK
;
1943 ServerStats
->is_cti
+= CurrentTime
- client_p
->localClient
->firsttime
;
1944 if(ServerStats
->is_cbs
> 2047)
1946 ServerStats
->is_cks
+= (ServerStats
->is_cbs
>> 10);
1947 ServerStats
->is_cbs
&= 0x3ff;
1949 if(ServerStats
->is_cbr
> 2047)
1951 ServerStats
->is_ckr
+= (ServerStats
->is_cbr
>> 10);
1952 ServerStats
->is_cbr
&= 0x3ff;
1956 ServerStats
->is_ni
++;
1958 if(-1 < client_p
->localClient
->fd
)
1960 /* attempt to flush any pending dbufs. Evil, but .. -- adrian */
1961 if(!IsIOError(client_p
))
1962 send_queued_write(client_p
->localClient
->fd
, client_p
);
1964 comm_close(client_p
->localClient
->fd
);
1965 client_p
->localClient
->fd
= -1;
1968 if(client_p
->localClient
->slink
&& client_p
->localClient
->slink
->ctrlfd
> -1)
1970 comm_close(client_p
->localClient
->slink
->ctrlfd
);
1971 client_p
->localClient
->slink
->ctrlfd
= -1;
1974 linebuf_donebuf(&client_p
->localClient
->buf_sendq
);
1975 linebuf_donebuf(&client_p
->localClient
->buf_recvq
);
1976 detach_conf(client_p
);
1978 /* XXX shouldnt really be done here. */
1979 detach_server_conf(client_p
);
1981 client_p
->from
= NULL
; /* ...this should catch them! >:) --msa */
1982 ClearMyConnect(client_p
);
1983 SetIOError(client_p
);
1987 error_exit_client(struct Client
*client_p
, int error
)
1990 * ...hmm, with non-blocking sockets we might get
1991 * here from quite valid reasons, although.. why
1992 * would select report "data available" when there
1993 * wasn't... so, this must be an error anyway... --msa
1994 * actually, EOF occurs when read() returns 0 and
1995 * in due course, select() returns that fd as ready
1996 * for reading even though it ends up being an EOF. -avalon
1999 int current_error
= comm_get_sockerr(client_p
->localClient
->fd
);
2001 SetIOError(client_p
);
2003 if(IsServer(client_p
) || IsHandshake(client_p
))
2005 int connected
= CurrentTime
- client_p
->localClient
->firsttime
;
2009 sendto_realops_flags(UMODE_ALL
, L_ALL
,
2010 "Server %s closed the connection",
2013 ilog(L_SERVER
, "Server %s closed the connection",
2014 log_client_name(client_p
, SHOW_IP
));
2018 sendto_realops_flags(UMODE_ALL
, L_ALL
,
2019 "Lost connection to %s: %s",
2020 client_p
->name
, strerror(current_error
));
2021 ilog(L_SERVER
, "Lost connection to %s: %s",
2022 log_client_name(client_p
, SHOW_IP
), strerror(current_error
));
2025 sendto_realops_flags(UMODE_ALL
, L_ALL
,
2026 "%s had been connected for %d day%s, %2d:%02d:%02d",
2027 client_p
->name
, connected
/ 86400,
2028 (connected
/ 86400 == 1) ? "" : "s",
2029 (connected
% 86400) / 3600,
2030 (connected
% 3600) / 60, connected
% 60);
2034 strlcpy(errmsg
, "Remote host closed the connection", sizeof(errmsg
));
2036 ircsnprintf(errmsg
, sizeof(errmsg
), "Read error: %s", strerror(current_error
));
2038 exit_client(client_p
, client_p
, &me
, errmsg
);