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.
34 #include "ircd_defs.h"
36 #include "s_newconf.h"
43 #include "rb_dictionary.h"
44 #include "rb_radixtree.h"
49 rb_dlink_list cluster_conf_list
;
50 rb_dlink_list oper_conf_list
;
51 rb_dlink_list hubleaf_conf_list
;
52 rb_dlink_list server_conf_list
;
53 rb_dlink_list xline_conf_list
;
54 rb_dlink_list resv_conf_list
; /* nicks only! */
55 rb_dlink_list nd_list
; /* nick delay */
56 rb_dlink_list tgchange_list
;
58 rb_patricia_tree_t
*tgchange_tree
;
60 static rb_bh
*nd_heap
= NULL
;
62 static void expire_temp_rxlines(void *unused
);
63 static void expire_nd_entries(void *unused
);
65 struct ev_entry
*expire_nd_entries_ev
= NULL
;
66 struct ev_entry
*expire_temp_rxlines_ev
= NULL
;
71 tgchange_tree
= rb_new_patricia(PATRICIA_BITS
);
72 nd_heap
= rb_bh_create(sizeof(struct nd_entry
), ND_HEAP_SIZE
, "nd_heap");
73 expire_nd_entries_ev
= rb_event_addish("expire_nd_entries", expire_nd_entries
, NULL
, 30);
74 expire_temp_rxlines_ev
= rb_event_addish("expire_temp_rxlines", expire_temp_rxlines
, NULL
, 60);
80 struct server_conf
*server_p
;
82 rb_dlink_node
*next_ptr
;
84 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
86 rb_dlinkDelete(ptr
, &cluster_conf_list
);
87 free_remote_conf(ptr
->data
);
90 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, hubleaf_conf_list
.head
)
92 rb_dlinkDelete(ptr
, &hubleaf_conf_list
);
93 free_remote_conf(ptr
->data
);
96 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
98 free_oper_conf(ptr
->data
);
99 rb_dlinkDestroy(ptr
, &oper_conf_list
);
102 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
104 server_p
= ptr
->data
;
106 if(!server_p
->servers
)
108 rb_dlinkDelete(ptr
, &server_conf_list
);
109 free_server_conf(ptr
->data
);
112 server_p
->flags
|= SERVER_ILLEGAL
;
117 clear_s_newconf_bans(void)
119 struct ConfItem
*aconf
;
120 rb_dlink_node
*ptr
, *next_ptr
;
122 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
130 rb_dlinkDestroy(ptr
, &xline_conf_list
);
133 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
142 rb_dlinkDestroy(ptr
, &resv_conf_list
);
149 make_remote_conf(void)
151 struct remote_conf
*remote_p
= rb_malloc(sizeof(struct remote_conf
));
156 free_remote_conf(struct remote_conf
*remote_p
)
158 s_assert(remote_p
!= NULL
);
162 rb_free(remote_p
->username
);
163 rb_free(remote_p
->host
);
164 rb_free(remote_p
->server
);
169 propagate_generic(struct Client
*source_p
, const char *command
,
170 const char *target
, int cap
, const char *format
, ...)
172 char buffer
[BUFSIZE
];
175 va_start(args
, format
);
176 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
179 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
181 command
, target
, buffer
);
182 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
184 target
, command
, buffer
);
188 cluster_generic(struct Client
*source_p
, const char *command
,
189 int cltype
, int cap
, const char *format
, ...)
191 char buffer
[BUFSIZE
];
192 struct remote_conf
*shared_p
;
196 va_start(args
, format
);
197 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
200 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
202 shared_p
= ptr
->data
;
204 if(!(shared_p
->flags
& cltype
))
207 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
209 command
, shared_p
->server
, buffer
);
210 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
212 shared_p
->server
, command
, buffer
);
219 struct oper_conf
*oper_p
= rb_malloc(sizeof(struct oper_conf
));
224 free_oper_conf(struct oper_conf
*oper_p
)
226 s_assert(oper_p
!= NULL
);
230 rb_free(oper_p
->username
);
231 rb_free(oper_p
->host
);
232 rb_free(oper_p
->name
);
233 rb_free(oper_p
->certfp
);
237 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
238 rb_free(oper_p
->passwd
);
241 #ifdef HAVE_LIBCRYPTO
242 rb_free(oper_p
->rsa_pubkey_file
);
244 if(oper_p
->rsa_pubkey
)
245 RSA_free(oper_p
->rsa_pubkey
);
252 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
254 struct oper_conf
*oper_p
;
255 struct rb_sockaddr_storage ip
, cip
;
256 char addr
[HOSTLEN
+1];
260 parse_netmask(locip
, &cip
, &cbits
);
262 RB_DLINK_FOREACH(ptr
, oper_conf_list
.head
)
266 /* name/username doesnt match.. */
267 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
270 rb_strlcpy(addr
, oper_p
->host
, sizeof(addr
));
272 if(parse_netmask(addr
, &ip
, &bits
) != HM_HOST
)
274 if(GET_SS_FAMILY(&ip
) == GET_SS_FAMILY(&cip
) &&
275 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
279 /* we have to compare against the host as well, because its
280 * valid to set a spoof to an IP, which if we only compare
281 * in ip form to sockhost will not necessarily match --anfl
283 if(match(oper_p
->host
, host
))
291 make_server_conf(void)
293 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
295 SET_SS_FAMILY(&server_p
->connect4
, AF_UNSPEC
);
296 SET_SS_LEN(&server_p
->connect4
, sizeof(struct sockaddr_in
));
298 SET_SS_FAMILY(&server_p
->bind4
, AF_UNSPEC
);
299 SET_SS_LEN(&server_p
->bind4
, sizeof(struct sockaddr_in
));
301 SET_SS_FAMILY(&server_p
->connect6
, AF_UNSPEC
);
302 SET_SS_LEN(&server_p
->connect6
, sizeof(struct sockaddr_in6
));
304 SET_SS_FAMILY(&server_p
->bind6
, AF_UNSPEC
);
305 SET_SS_LEN(&server_p
->bind6
, sizeof(struct sockaddr_in6
));
307 server_p
->aftype
= AF_UNSPEC
;
313 free_server_conf(struct server_conf
*server_p
)
315 s_assert(server_p
!= NULL
);
319 if(!EmptyString(server_p
->passwd
))
321 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
322 rb_free(server_p
->passwd
);
325 if(!EmptyString(server_p
->spasswd
))
327 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
328 rb_free(server_p
->spasswd
);
331 rb_free(server_p
->name
);
332 rb_free(server_p
->connect_host
);
333 rb_free(server_p
->bind_host
);
334 rb_free(server_p
->class_name
);
335 rb_free(server_p
->certfp
);
340 * conf_connect_dns_callback
341 * inputs - pointer to struct ConfItem
342 * - pointer to adns reply
344 * side effects - called when resolver query finishes
345 * if the query resulted in a successful search, hp will contain
346 * a non-null pointer, otherwise hp will be null.
347 * if successful save hp in the conf item it was called with
350 conf_connect_dns_callback(const char *result
, int status
, int aftype
, void *data
)
352 struct server_conf
*server_p
= data
;
354 if(aftype
== AF_INET
)
357 rb_inet_pton_sock(result
, &server_p
->connect4
);
359 server_p
->dns_query_connect4
= 0;
361 else if(aftype
== AF_INET6
)
364 rb_inet_pton_sock(result
, &server_p
->connect6
);
366 server_p
->dns_query_connect6
= 0;
371 * conf_bind_dns_callback
372 * inputs - pointer to struct ConfItem
373 * - pointer to adns reply
375 * side effects - called when resolver query finishes
376 * if the query resulted in a successful search, hp will contain
377 * a non-null pointer, otherwise hp will be null.
378 * if successful save hp in the conf item it was called with
381 conf_bind_dns_callback(const char *result
, int status
, int aftype
, void *data
)
383 struct server_conf
*server_p
= data
;
385 if(aftype
== AF_INET
)
388 rb_inet_pton_sock(result
, &server_p
->bind4
);
390 server_p
->dns_query_bind4
= 0;
392 else if(aftype
== AF_INET6
)
395 rb_inet_pton_sock(result
, &server_p
->bind6
);
397 server_p
->dns_query_bind6
= 0;
402 add_server_conf(struct server_conf
*server_p
)
404 if(EmptyString(server_p
->class_name
))
406 server_p
->class_name
= rb_strdup("default");
407 server_p
->class = default_class
;
411 server_p
->class = find_class(server_p
->class_name
);
413 if(server_p
->class == default_class
)
415 conf_report_error("Warning connect::class invalid for %s",
418 rb_free(server_p
->class_name
);
419 server_p
->class_name
= rb_strdup("default");
422 if(server_p
->connect_host
&& !strpbrk(server_p
->connect_host
, "*?"))
424 server_p
->dns_query_connect4
=
425 lookup_hostname(server_p
->connect_host
, AF_INET
, conf_connect_dns_callback
, server_p
);
426 server_p
->dns_query_connect6
=
427 lookup_hostname(server_p
->connect_host
, AF_INET6
, conf_connect_dns_callback
, server_p
);
430 if(server_p
->bind_host
)
432 server_p
->dns_query_bind4
=
433 lookup_hostname(server_p
->bind_host
, AF_INET
, conf_bind_dns_callback
, server_p
);
434 server_p
->dns_query_bind6
=
435 lookup_hostname(server_p
->bind_host
, AF_INET6
, conf_bind_dns_callback
, server_p
);
440 find_server_conf(const char *name
)
442 struct server_conf
*server_p
;
445 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
447 server_p
= ptr
->data
;
449 if(ServerConfIllegal(server_p
))
452 if(match(name
, server_p
->name
))
460 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
462 /* already have an attached conf */
463 if(client_p
->localClient
->att_sconf
)
465 /* short circuit this special case :) */
466 if(client_p
->localClient
->att_sconf
== server_p
)
469 detach_server_conf(client_p
);
472 CurrUsers(server_p
->class)++;
474 client_p
->localClient
->att_sconf
= server_p
;
479 detach_server_conf(struct Client
*client_p
)
481 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
486 client_p
->localClient
->att_sconf
= NULL
;
488 CurrUsers(server_p
->class)--;
490 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
492 /* the class this one is using may need destroying too */
493 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
494 free_class(server_p
->class);
496 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
497 free_server_conf(server_p
);
502 set_server_conf_autoconn(struct Client
*source_p
, const char *name
, int newval
)
504 struct server_conf
*server_p
;
506 if((server_p
= find_server_conf(name
)) != NULL
)
509 server_p
->flags
|= SERVER_AUTOCONN
;
511 server_p
->flags
&= ~SERVER_AUTOCONN
;
513 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
514 "%s has changed AUTOCONN for %s to %i",
515 get_oper_name(source_p
), name
, newval
);
518 sendto_one_notice(source_p
, ":Can't find %s", name
);
522 disable_server_conf_autoconn(const char *name
)
524 struct server_conf
*server_p
;
526 server_p
= find_server_conf(name
);
527 if(server_p
!= NULL
&& server_p
->flags
& SERVER_AUTOCONN
)
529 server_p
->flags
&= ~SERVER_AUTOCONN
;
531 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
532 "Disabling AUTOCONN for %s because of error",
534 ilog(L_SERVER
, "Disabling AUTOCONN for %s because of error",
540 find_xline(const char *gecos
, int counter
)
542 struct ConfItem
*aconf
;
545 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
549 if(match_esc(aconf
->host
, gecos
))
561 find_xline_mask(const char *gecos
)
563 struct ConfItem
*aconf
;
566 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
570 if(!irccmp(aconf
->host
, gecos
))
578 find_nick_resv(const char *name
)
580 struct ConfItem
*aconf
;
583 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
587 if(match_esc(aconf
->host
, name
))
598 find_nick_resv_mask(const char *name
)
600 struct ConfItem
*aconf
;
603 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
607 if(!irccmp(aconf
->host
, name
))
617 * outputs - 1 if nick is vaild resv, 0 otherwise
621 clean_resv_nick(const char *nick
)
628 if(*nick
== '-' || IsDigit(*nick
))
631 while ((tmpch
= *nick
++))
633 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
635 else if(tmpch
== '*')
637 else if(IsNickChar(tmpch
))
649 /* valid_wild_card_simple()
651 * inputs - "thing" to test
652 * outputs - 1 if enough wildcards, else 0
656 valid_wild_card_simple(const char *data
)
663 /* check the string for minimum number of nonwildcard chars */
666 while((tmpch
= *p
++))
668 /* found an escape, p points to the char after it, so skip
671 if(tmpch
== '\\' && *p
)
674 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
677 else if(!IsMWildChar(tmpch
))
679 /* if we have enough nonwildchars, return */
680 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
687 /* strings without wilds are also ok */
692 valid_temp_time(const char *p
)
701 result
+= ((*p
) & 0xF);
708 if(result
> (60 * 24 * 7 * 52))
709 result
= (60 * 24 * 7 * 52);
714 /* Propagated bans are expired elsewhere. */
716 expire_temp_rxlines(void *unused
)
718 struct ConfItem
*aconf
;
720 rb_dlink_node
*next_ptr
;
721 rb_radixtree_iteration_state state
;
723 RB_RADIXTREE_FOREACH(aconf
, &state
, resv_tree
)
725 if(aconf
->lifetime
!= 0)
727 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
729 if(ConfigFileEntry
.tkline_expire_notices
)
730 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
731 "Temporary RESV for [%s] expired",
734 rb_radixtree_delete(resv_tree
, aconf
->host
);
739 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
743 if(aconf
->lifetime
!= 0)
745 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
747 if(ConfigFileEntry
.tkline_expire_notices
)
748 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
749 "Temporary RESV for [%s] expired",
752 rb_dlinkDestroy(ptr
, &resv_conf_list
);
756 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
760 if(aconf
->lifetime
!= 0)
762 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
764 if(ConfigFileEntry
.tkline_expire_notices
)
765 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
766 "Temporary X-line for [%s] expired",
769 rb_dlinkDestroy(ptr
, &xline_conf_list
);
777 return(rb_dlink_list_length(&nd_list
));
781 add_nd_entry(const char *name
)
785 if(rb_dictionary_find(nd_dict
, name
) != NULL
)
788 nd
= rb_bh_alloc(nd_heap
);
790 rb_strlcpy(nd
->name
, name
, sizeof(nd
->name
));
791 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
793 /* this list is ordered */
794 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
796 rb_dictionary_add(nd_dict
, nd
->name
, nd
);
800 free_nd_entry(struct nd_entry
*nd
)
802 rb_dictionary_delete(nd_dict
, nd
->name
);
804 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
805 rb_bh_free(nd_heap
, nd
);
809 expire_nd_entries(void *unused
)
813 rb_dlink_node
*next_ptr
;
815 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
819 /* this list is ordered - we can stop when we hit the first
820 * entry that doesnt expire..
822 if(nd
->expire
> rb_current_time())
830 add_tgchange(const char *host
)
833 rb_patricia_node_t
*pnode
;
835 if(find_tgchange(host
))
838 target
= rb_malloc(sizeof(tgchange
));
839 pnode
= make_and_lookup(tgchange_tree
, host
);
841 pnode
->data
= target
;
842 target
->pnode
= pnode
;
844 target
->ip
= rb_strdup(host
);
845 target
->expiry
= rb_current_time() + (60*60*12);
847 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
851 find_tgchange(const char *host
)
853 rb_patricia_node_t
*pnode
;
855 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))