2 * ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
3 * s_newconf.c - code for dealing with conf stuff
5 * Copyright (C) 2004 Lee Hardy <lee@leeh.co.uk>
6 * Copyright (C) 2004-2005 ircd-ratbox development team
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * 1.Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 * 2.Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3.The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
32 * $Id: s_newconf.c 3508 2007-06-04 16:04:49Z jilles $
36 #include "ircd_defs.h"
39 #include "s_newconf.h"
46 #include "irc_dictionary.h"
47 #include "irc_radixtree.h"
52 rb_dlink_list shared_conf_list
;
53 rb_dlink_list cluster_conf_list
;
54 rb_dlink_list oper_conf_list
;
55 rb_dlink_list hubleaf_conf_list
;
56 rb_dlink_list server_conf_list
;
57 rb_dlink_list xline_conf_list
;
58 rb_dlink_list resv_conf_list
; /* nicks only! */
59 rb_dlink_list nd_list
; /* nick delay */
60 rb_dlink_list tgchange_list
;
62 rb_patricia_tree_t
*tgchange_tree
;
64 static rb_bh
*nd_heap
= NULL
;
66 static void expire_temp_rxlines(void *unused
);
67 static void expire_nd_entries(void *unused
);
69 struct ev_entry
*expire_nd_entries_ev
= NULL
;
70 struct ev_entry
*expire_temp_rxlines_ev
= NULL
;
75 tgchange_tree
= rb_new_patricia(PATRICIA_BITS
);
76 nd_heap
= rb_bh_create(sizeof(struct nd_entry
), ND_HEAP_SIZE
, "nd_heap");
77 expire_nd_entries_ev
= rb_event_addish("expire_nd_entries", expire_nd_entries
, NULL
, 30);
78 expire_temp_rxlines_ev
= rb_event_addish("expire_temp_rxlines", expire_temp_rxlines
, NULL
, 60);
84 struct server_conf
*server_p
;
86 rb_dlink_node
*next_ptr
;
88 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, shared_conf_list
.head
)
90 /* ptr here is ptr->data->node */
91 rb_dlinkDelete(ptr
, &shared_conf_list
);
92 free_remote_conf(ptr
->data
);
95 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
97 rb_dlinkDelete(ptr
, &cluster_conf_list
);
98 free_remote_conf(ptr
->data
);
101 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, hubleaf_conf_list
.head
)
103 rb_dlinkDelete(ptr
, &hubleaf_conf_list
);
104 free_remote_conf(ptr
->data
);
107 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
109 free_oper_conf(ptr
->data
);
110 rb_dlinkDestroy(ptr
, &oper_conf_list
);
113 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
115 server_p
= ptr
->data
;
117 if(!server_p
->servers
)
119 rb_dlinkDelete(ptr
, &server_conf_list
);
120 free_server_conf(ptr
->data
);
123 server_p
->flags
|= SERVER_ILLEGAL
;
128 clear_s_newconf_bans(void)
130 struct ConfItem
*aconf
;
131 rb_dlink_node
*ptr
, *next_ptr
;
133 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
141 rb_dlinkDestroy(ptr
, &xline_conf_list
);
144 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
153 rb_dlinkDestroy(ptr
, &resv_conf_list
);
160 make_remote_conf(void)
162 struct remote_conf
*remote_p
= rb_malloc(sizeof(struct remote_conf
));
167 free_remote_conf(struct remote_conf
*remote_p
)
169 s_assert(remote_p
!= NULL
);
173 rb_free(remote_p
->username
);
174 rb_free(remote_p
->host
);
175 rb_free(remote_p
->server
);
180 find_shared_conf(const char *username
, const char *host
,
181 const char *server
, int flags
)
183 struct remote_conf
*shared_p
;
186 RB_DLINK_FOREACH(ptr
, shared_conf_list
.head
)
188 shared_p
= ptr
->data
;
190 if(match(shared_p
->username
, username
) &&
191 match(shared_p
->host
, host
) &&
192 match(shared_p
->server
, server
))
194 if(shared_p
->flags
& flags
)
205 propagate_generic(struct Client
*source_p
, const char *command
,
206 const char *target
, int cap
, const char *format
, ...)
208 char buffer
[BUFSIZE
];
211 va_start(args
, format
);
212 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
215 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
217 command
, target
, buffer
);
218 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
220 target
, command
, buffer
);
224 cluster_generic(struct Client
*source_p
, const char *command
,
225 int cltype
, int cap
, const char *format
, ...)
227 char buffer
[BUFSIZE
];
228 struct remote_conf
*shared_p
;
232 va_start(args
, format
);
233 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
236 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
238 shared_p
= ptr
->data
;
240 if(!(shared_p
->flags
& cltype
))
243 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
245 command
, shared_p
->server
, buffer
);
246 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
248 shared_p
->server
, command
, buffer
);
255 struct oper_conf
*oper_p
= rb_malloc(sizeof(struct oper_conf
));
260 free_oper_conf(struct oper_conf
*oper_p
)
262 s_assert(oper_p
!= NULL
);
266 rb_free(oper_p
->username
);
267 rb_free(oper_p
->host
);
268 rb_free(oper_p
->name
);
269 rb_free(oper_p
->certfp
);
273 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
274 rb_free(oper_p
->passwd
);
277 #ifdef HAVE_LIBCRYPTO
278 rb_free(oper_p
->rsa_pubkey_file
);
280 if(oper_p
->rsa_pubkey
)
281 RSA_free(oper_p
->rsa_pubkey
);
288 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
290 struct oper_conf
*oper_p
;
291 struct rb_sockaddr_storage ip
, cip
;
292 char addr
[HOSTLEN
+1];
296 parse_netmask(locip
, &cip
, &cbits
);
298 RB_DLINK_FOREACH(ptr
, oper_conf_list
.head
)
302 /* name/username doesnt match.. */
303 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
306 rb_strlcpy(addr
, oper_p
->host
, sizeof(addr
));
308 if(parse_netmask(addr
, &ip
, &bits
) != HM_HOST
)
310 if(ip
.ss_family
== cip
.ss_family
&&
311 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
315 /* we have to compare against the host as well, because its
316 * valid to set a spoof to an IP, which if we only compare
317 * in ip form to sockhost will not necessarily match --anfl
319 if(match(oper_p
->host
, host
))
327 make_server_conf(void)
329 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
330 server_p
->aftype
= AF_INET
;
335 free_server_conf(struct server_conf
*server_p
)
337 s_assert(server_p
!= NULL
);
341 if(!EmptyString(server_p
->passwd
))
343 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
344 rb_free(server_p
->passwd
);
347 if(!EmptyString(server_p
->spasswd
))
349 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
350 rb_free(server_p
->spasswd
);
353 rb_free(server_p
->name
);
354 rb_free(server_p
->host
);
355 rb_free(server_p
->class_name
);
361 * inputs - pointer to struct ConfItem
362 * - pointer to adns reply
364 * side effects - called when resolver query finishes
365 * if the query resulted in a successful search, hp will contain
366 * a non-null pointer, otherwise hp will be null.
367 * if successful save hp in the conf item it was called with
370 conf_dns_callback(const char *result
, int status
, int aftype
, void *data
)
372 struct server_conf
*server_p
= data
;
375 rb_inet_pton_sock(result
, (struct sockaddr
*)&server_p
->my_ipnum
);
377 server_p
->dns_query
= 0;
381 add_server_conf(struct server_conf
*server_p
)
383 if(EmptyString(server_p
->class_name
))
385 server_p
->class_name
= rb_strdup("default");
386 server_p
->class = default_class
;
390 server_p
->class = find_class(server_p
->class_name
);
392 if(server_p
->class == default_class
)
394 conf_report_error("Warning connect::class invalid for %s",
397 rb_free(server_p
->class_name
);
398 server_p
->class_name
= rb_strdup("default");
401 if(strpbrk(server_p
->host
, "*?"))
404 server_p
->dns_query
=
405 lookup_hostname(server_p
->host
, GET_SS_FAMILY(&server_p
->my_ipnum
), conf_dns_callback
, server_p
);
409 find_server_conf(const char *name
)
411 struct server_conf
*server_p
;
414 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
416 server_p
= ptr
->data
;
418 if(ServerConfIllegal(server_p
))
421 if(match(name
, server_p
->name
))
429 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
431 /* already have an attached conf */
432 if(client_p
->localClient
->att_sconf
)
434 /* short circuit this special case :) */
435 if(client_p
->localClient
->att_sconf
== server_p
)
438 detach_server_conf(client_p
);
441 CurrUsers(server_p
->class)++;
443 client_p
->localClient
->att_sconf
= server_p
;
448 detach_server_conf(struct Client
*client_p
)
450 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
455 client_p
->localClient
->att_sconf
= NULL
;
457 CurrUsers(server_p
->class)--;
459 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
461 /* the class this one is using may need destroying too */
462 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
463 free_class(server_p
->class);
465 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
466 free_server_conf(server_p
);
471 set_server_conf_autoconn(struct Client
*source_p
, const char *name
, int newval
)
473 struct server_conf
*server_p
;
475 if((server_p
= find_server_conf(name
)) != NULL
)
478 server_p
->flags
|= SERVER_AUTOCONN
;
480 server_p
->flags
&= ~SERVER_AUTOCONN
;
482 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
483 "%s has changed AUTOCONN for %s to %i",
484 get_oper_name(source_p
), name
, newval
);
487 sendto_one_notice(source_p
, ":Can't find %s", name
);
491 disable_server_conf_autoconn(const char *name
)
493 struct server_conf
*server_p
;
495 server_p
= find_server_conf(name
);
496 if(server_p
!= NULL
&& server_p
->flags
& SERVER_AUTOCONN
)
498 server_p
->flags
&= ~SERVER_AUTOCONN
;
500 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
501 "Disabling AUTOCONN for %s because of error",
503 ilog(L_SERVER
, "Disabling AUTOCONN for %s because of error",
509 find_xline(const char *gecos
, int counter
)
511 struct ConfItem
*aconf
;
514 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
518 if(match_esc(aconf
->host
, gecos
))
530 find_xline_mask(const char *gecos
)
532 struct ConfItem
*aconf
;
535 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
539 if(!irccmp(aconf
->host
, gecos
))
547 find_nick_resv(const char *name
)
549 struct ConfItem
*aconf
;
552 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
556 if(match_esc(aconf
->host
, name
))
567 find_nick_resv_mask(const char *name
)
569 struct ConfItem
*aconf
;
572 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
576 if(!irccmp(aconf
->host
, name
))
586 * outputs - 1 if nick is vaild resv, 0 otherwise
590 clean_resv_nick(const char *nick
)
597 if(*nick
== '-' || IsDigit(*nick
))
600 while ((tmpch
= *nick
++))
602 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
604 else if(tmpch
== '*')
606 else if(IsNickChar(tmpch
))
618 /* valid_wild_card_simple()
620 * inputs - "thing" to test
621 * outputs - 1 if enough wildcards, else 0
625 valid_wild_card_simple(const char *data
)
632 /* check the string for minimum number of nonwildcard chars */
635 while((tmpch
= *p
++))
637 /* found an escape, p points to the char after it, so skip
640 if(tmpch
== '\\' && *p
)
643 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
646 else if(!IsMWildChar(tmpch
))
648 /* if we have enough nonwildchars, return */
649 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
656 /* strings without wilds are also ok */
661 valid_temp_time(const char *p
)
670 result
+= ((*p
) & 0xF);
677 if(result
> (60 * 24 * 7 * 52))
678 result
= (60 * 24 * 7 * 52);
683 /* Propagated bans are expired elsewhere. */
685 expire_temp_rxlines(void *unused
)
687 struct ConfItem
*aconf
;
689 rb_dlink_node
*next_ptr
;
691 struct irc_radixtree_iteration_state state
;
693 IRC_RADIXTREE_FOREACH(aconf
, &state
, resv_tree
)
695 if(aconf
->lifetime
!= 0)
697 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
699 if(ConfigFileEntry
.tkline_expire_notices
)
700 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
701 "Temporary RESV for [%s] expired",
704 irc_radixtree_delete(resv_tree
, aconf
->host
);
709 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
713 if(aconf
->lifetime
!= 0)
715 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
717 if(ConfigFileEntry
.tkline_expire_notices
)
718 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
719 "Temporary RESV for [%s] expired",
722 rb_dlinkDestroy(ptr
, &resv_conf_list
);
726 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
730 if(aconf
->lifetime
!= 0)
732 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
734 if(ConfigFileEntry
.tkline_expire_notices
)
735 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
736 "Temporary X-line for [%s] expired",
739 rb_dlinkDestroy(ptr
, &xline_conf_list
);
747 return(rb_dlink_list_length(&nd_list
));
751 add_nd_entry(const char *name
)
755 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
758 nd
= rb_bh_alloc(nd_heap
);
760 rb_strlcpy(nd
->name
, name
, sizeof(nd
->name
));
761 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
763 /* this list is ordered */
764 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
766 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
770 free_nd_entry(struct nd_entry
*nd
)
772 irc_dictionary_delete(nd_dict
, nd
->name
);
774 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
775 rb_bh_free(nd_heap
, nd
);
779 expire_nd_entries(void *unused
)
783 rb_dlink_node
*next_ptr
;
785 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
789 /* this list is ordered - we can stop when we hit the first
790 * entry that doesnt expire..
792 if(nd
->expire
> rb_current_time())
800 add_tgchange(const char *host
)
803 rb_patricia_node_t
*pnode
;
805 if(find_tgchange(host
))
808 target
= rb_malloc(sizeof(tgchange
));
809 pnode
= make_and_lookup(tgchange_tree
, host
);
811 pnode
->data
= target
;
812 target
->pnode
= pnode
;
814 target
->ip
= rb_strdup(host
);
815 target
->expiry
= rb_current_time() + (60*60*12);
817 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
821 find_tgchange(const char *host
)
823 rb_patricia_node_t
*pnode
;
825 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))