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 server_conf_list
;
52 rb_dlink_list xline_conf_list
;
53 rb_dlink_list resv_conf_list
; /* nicks only! */
54 rb_dlink_list nd_list
; /* nick delay */
55 rb_dlink_list tgchange_list
;
57 rb_patricia_tree_t
*tgchange_tree
;
59 static rb_bh
*nd_heap
= NULL
;
61 static void expire_temp_rxlines(void *unused
);
62 static void expire_nd_entries(void *unused
);
64 struct ev_entry
*expire_nd_entries_ev
= NULL
;
65 struct ev_entry
*expire_temp_rxlines_ev
= NULL
;
70 tgchange_tree
= rb_new_patricia(PATRICIA_BITS
);
71 nd_heap
= rb_bh_create(sizeof(struct nd_entry
), ND_HEAP_SIZE
, "nd_heap");
72 expire_nd_entries_ev
= rb_event_addish("expire_nd_entries", expire_nd_entries
, NULL
, 30);
73 expire_temp_rxlines_ev
= rb_event_addish("expire_temp_rxlines", expire_temp_rxlines
, NULL
, 60);
79 struct server_conf
*server_p
;
81 rb_dlink_node
*next_ptr
;
83 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
85 rb_dlinkDelete(ptr
, &cluster_conf_list
);
86 free_remote_conf(ptr
->data
);
89 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
91 free_oper_conf(ptr
->data
);
92 rb_dlinkDestroy(ptr
, &oper_conf_list
);
95 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
99 if(!server_p
->servers
)
101 rb_dlinkDelete(ptr
, &server_conf_list
);
102 free_server_conf(ptr
->data
);
105 server_p
->flags
|= SERVER_ILLEGAL
;
110 clear_s_newconf_bans(void)
112 struct ConfItem
*aconf
;
113 rb_dlink_node
*ptr
, *next_ptr
;
115 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
123 rb_dlinkDestroy(ptr
, &xline_conf_list
);
126 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
135 rb_dlinkDestroy(ptr
, &resv_conf_list
);
142 make_remote_conf(void)
144 struct remote_conf
*remote_p
= rb_malloc(sizeof(struct remote_conf
));
149 free_remote_conf(struct remote_conf
*remote_p
)
151 s_assert(remote_p
!= NULL
);
155 rb_free(remote_p
->username
);
156 rb_free(remote_p
->host
);
157 rb_free(remote_p
->server
);
162 propagate_generic(struct Client
*source_p
, const char *command
,
163 const char *target
, int cap
, const char *format
, ...)
165 char buffer
[BUFSIZE
];
168 va_start(args
, format
);
169 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
172 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
174 command
, target
, buffer
);
175 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
177 target
, command
, buffer
);
181 cluster_generic(struct Client
*source_p
, const char *command
,
182 int cltype
, int cap
, const char *format
, ...)
184 char buffer
[BUFSIZE
];
185 struct remote_conf
*shared_p
;
189 va_start(args
, format
);
190 vsnprintf(buffer
, sizeof(buffer
), format
, args
);
193 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
195 shared_p
= ptr
->data
;
197 if(!(shared_p
->flags
& cltype
))
200 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
202 command
, shared_p
->server
, buffer
);
203 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
205 shared_p
->server
, command
, buffer
);
212 struct oper_conf
*oper_p
= rb_malloc(sizeof(struct oper_conf
));
217 free_oper_conf(struct oper_conf
*oper_p
)
219 s_assert(oper_p
!= NULL
);
223 rb_free(oper_p
->username
);
224 rb_free(oper_p
->host
);
225 rb_free(oper_p
->name
);
226 rb_free(oper_p
->certfp
);
230 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
231 rb_free(oper_p
->passwd
);
234 #ifdef HAVE_LIBCRYPTO
235 rb_free(oper_p
->rsa_pubkey_file
);
237 if(oper_p
->rsa_pubkey
)
238 RSA_free(oper_p
->rsa_pubkey
);
245 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
247 struct oper_conf
*oper_p
;
248 struct rb_sockaddr_storage ip
, cip
;
249 char addr
[HOSTLEN
+1];
253 parse_netmask(locip
, &cip
, &cbits
);
255 RB_DLINK_FOREACH(ptr
, oper_conf_list
.head
)
259 /* name/username doesnt match.. */
260 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
263 rb_strlcpy(addr
, oper_p
->host
, sizeof(addr
));
265 if(parse_netmask(addr
, &ip
, &bits
) != HM_HOST
)
267 if(GET_SS_FAMILY(&ip
) == GET_SS_FAMILY(&cip
) &&
268 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
272 /* we have to compare against the host as well, because its
273 * valid to set a spoof to an IP, which if we only compare
274 * in ip form to sockhost will not necessarily match --anfl
276 if(match(oper_p
->host
, host
))
284 make_server_conf(void)
286 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
288 SET_SS_FAMILY(&server_p
->connect4
, AF_UNSPEC
);
289 SET_SS_LEN(&server_p
->connect4
, sizeof(struct sockaddr_in
));
291 SET_SS_FAMILY(&server_p
->bind4
, AF_UNSPEC
);
292 SET_SS_LEN(&server_p
->bind4
, sizeof(struct sockaddr_in
));
294 SET_SS_FAMILY(&server_p
->connect6
, AF_UNSPEC
);
295 SET_SS_LEN(&server_p
->connect6
, sizeof(struct sockaddr_in6
));
297 SET_SS_FAMILY(&server_p
->bind6
, AF_UNSPEC
);
298 SET_SS_LEN(&server_p
->bind6
, sizeof(struct sockaddr_in6
));
300 server_p
->aftype
= AF_UNSPEC
;
306 free_server_conf(struct server_conf
*server_p
)
308 s_assert(server_p
!= NULL
);
312 if(!EmptyString(server_p
->passwd
))
314 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
315 rb_free(server_p
->passwd
);
318 if(!EmptyString(server_p
->spasswd
))
320 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
321 rb_free(server_p
->spasswd
);
324 rb_free(server_p
->name
);
325 rb_free(server_p
->connect_host
);
326 rb_free(server_p
->bind_host
);
327 rb_free(server_p
->class_name
);
328 rb_free(server_p
->certfp
);
333 * conf_connect_dns_callback
334 * inputs - pointer to struct ConfItem
335 * - pointer to adns reply
337 * side effects - called when resolver query finishes
338 * if the query resulted in a successful search, hp will contain
339 * a non-null pointer, otherwise hp will be null.
340 * if successful save hp in the conf item it was called with
343 conf_connect_dns_callback(const char *result
, int status
, int aftype
, void *data
)
345 struct server_conf
*server_p
= data
;
347 if(aftype
== AF_INET
)
350 rb_inet_pton_sock(result
, &server_p
->connect4
);
352 server_p
->dns_query_connect4
= 0;
354 else if(aftype
== AF_INET6
)
357 rb_inet_pton_sock(result
, &server_p
->connect6
);
359 server_p
->dns_query_connect6
= 0;
364 * conf_bind_dns_callback
365 * inputs - pointer to struct ConfItem
366 * - pointer to adns reply
368 * side effects - called when resolver query finishes
369 * if the query resulted in a successful search, hp will contain
370 * a non-null pointer, otherwise hp will be null.
371 * if successful save hp in the conf item it was called with
374 conf_bind_dns_callback(const char *result
, int status
, int aftype
, void *data
)
376 struct server_conf
*server_p
= data
;
378 if(aftype
== AF_INET
)
381 rb_inet_pton_sock(result
, &server_p
->bind4
);
383 server_p
->dns_query_bind4
= 0;
385 else if(aftype
== AF_INET6
)
388 rb_inet_pton_sock(result
, &server_p
->bind6
);
390 server_p
->dns_query_bind6
= 0;
395 add_server_conf(struct server_conf
*server_p
)
397 if(EmptyString(server_p
->class_name
))
399 server_p
->class_name
= rb_strdup("default");
400 server_p
->class = default_class
;
404 server_p
->class = find_class(server_p
->class_name
);
406 if(server_p
->class == default_class
)
408 conf_report_error("Warning connect::class invalid for %s",
411 rb_free(server_p
->class_name
);
412 server_p
->class_name
= rb_strdup("default");
415 if(server_p
->connect_host
&& !strpbrk(server_p
->connect_host
, "*?"))
417 server_p
->dns_query_connect4
=
418 lookup_hostname(server_p
->connect_host
, AF_INET
, conf_connect_dns_callback
, server_p
);
419 server_p
->dns_query_connect6
=
420 lookup_hostname(server_p
->connect_host
, AF_INET6
, conf_connect_dns_callback
, server_p
);
423 if(server_p
->bind_host
)
425 server_p
->dns_query_bind4
=
426 lookup_hostname(server_p
->bind_host
, AF_INET
, conf_bind_dns_callback
, server_p
);
427 server_p
->dns_query_bind6
=
428 lookup_hostname(server_p
->bind_host
, AF_INET6
, conf_bind_dns_callback
, server_p
);
433 find_server_conf(const char *name
)
435 struct server_conf
*server_p
;
438 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
440 server_p
= ptr
->data
;
442 if(ServerConfIllegal(server_p
))
445 if(match(name
, server_p
->name
))
453 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
455 /* already have an attached conf */
456 if(client_p
->localClient
->att_sconf
)
458 /* short circuit this special case :) */
459 if(client_p
->localClient
->att_sconf
== server_p
)
462 detach_server_conf(client_p
);
465 CurrUsers(server_p
->class)++;
467 client_p
->localClient
->att_sconf
= server_p
;
472 detach_server_conf(struct Client
*client_p
)
474 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
479 client_p
->localClient
->att_sconf
= NULL
;
481 CurrUsers(server_p
->class)--;
483 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
485 /* the class this one is using may need destroying too */
486 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
487 free_class(server_p
->class);
489 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
490 free_server_conf(server_p
);
495 set_server_conf_autoconn(struct Client
*source_p
, const char *name
, int newval
)
497 struct server_conf
*server_p
;
499 if((server_p
= find_server_conf(name
)) != NULL
)
502 server_p
->flags
|= SERVER_AUTOCONN
;
504 server_p
->flags
&= ~SERVER_AUTOCONN
;
506 sendto_realops_snomask(SNO_GENERAL
, L_NETWIDE
,
507 "%s has changed AUTOCONN for %s to %i",
508 get_oper_name(source_p
), name
, newval
);
511 sendto_one_notice(source_p
, ":Can't find %s", name
);
515 disable_server_conf_autoconn(const char *name
)
517 struct server_conf
*server_p
;
519 server_p
= find_server_conf(name
);
520 if(server_p
!= NULL
&& server_p
->flags
& SERVER_AUTOCONN
)
522 server_p
->flags
&= ~SERVER_AUTOCONN
;
524 sendto_realops_snomask(SNO_GENERAL
, L_NETWIDE
,
525 "Disabling AUTOCONN for %s because of error",
527 ilog(L_SERVER
, "Disabling AUTOCONN for %s because of error",
533 find_xline(const char *gecos
, int counter
)
535 struct ConfItem
*aconf
;
538 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
542 if(match_esc(aconf
->host
, gecos
))
554 find_xline_mask(const char *gecos
)
556 struct ConfItem
*aconf
;
559 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
563 if(!irccmp(aconf
->host
, gecos
))
571 find_nick_resv(const char *name
)
573 struct ConfItem
*aconf
;
576 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
580 if(match_esc(aconf
->host
, name
))
591 find_nick_resv_mask(const char *name
)
593 struct ConfItem
*aconf
;
596 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
600 if(!irccmp(aconf
->host
, name
))
610 * outputs - 1 if nick is vaild resv, 0 otherwise
614 clean_resv_nick(const char *nick
)
621 if(*nick
== '-' || IsDigit(*nick
))
624 while ((tmpch
= *nick
++))
626 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
628 else if(tmpch
== '*')
630 else if(IsNickChar(tmpch
))
642 /* valid_wild_card_simple()
644 * inputs - "thing" to test
645 * outputs - 1 if enough wildcards, else 0
649 valid_wild_card_simple(const char *data
)
656 /* check the string for minimum number of nonwildcard chars */
659 while((tmpch
= *p
++))
661 /* found an escape, p points to the char after it, so skip
664 if(tmpch
== '\\' && *p
)
667 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
670 else if(!IsMWildChar(tmpch
))
672 /* if we have enough nonwildchars, return */
673 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
680 /* strings without wilds are also ok */
685 valid_temp_time(const char *p
)
690 time_t max_time
= (uintmax_t) (~(time_t)0) >> 1;
697 current
= strtol(p
, &endp
, 10);
707 case '\0': /* No unit was given so send it back as minutes */
724 if (current
> LONG_MAX
/ mul
)
725 return MAX_TEMP_TIME
;
729 if (current
> max_time
- result
)
730 return MAX_TEMP_TIME
;
740 return MIN(result
, MAX_TEMP_TIME
);
743 /* Propagated bans are expired elsewhere. */
745 expire_temp_rxlines(void *unused
)
747 struct ConfItem
*aconf
;
749 rb_dlink_node
*next_ptr
;
750 rb_radixtree_iteration_state state
;
752 RB_RADIXTREE_FOREACH(aconf
, &state
, resv_tree
)
754 if(aconf
->lifetime
!= 0)
756 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
758 if(ConfigFileEntry
.tkline_expire_notices
)
759 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
760 "Temporary RESV for [%s] expired",
763 rb_radixtree_delete(resv_tree
, aconf
->host
);
768 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
772 if(aconf
->lifetime
!= 0)
774 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
776 if(ConfigFileEntry
.tkline_expire_notices
)
777 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
778 "Temporary RESV for [%s] expired",
781 rb_dlinkDestroy(ptr
, &resv_conf_list
);
785 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
789 if(aconf
->lifetime
!= 0)
791 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
793 if(ConfigFileEntry
.tkline_expire_notices
)
794 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
795 "Temporary X-line for [%s] expired",
798 rb_dlinkDestroy(ptr
, &xline_conf_list
);
806 return(rb_dlink_list_length(&nd_list
));
810 add_nd_entry(const char *name
)
814 if(rb_dictionary_find(nd_dict
, name
) != NULL
)
817 nd
= rb_bh_alloc(nd_heap
);
819 rb_strlcpy(nd
->name
, name
, sizeof(nd
->name
));
820 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
822 /* this list is ordered */
823 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
825 rb_dictionary_add(nd_dict
, nd
->name
, nd
);
829 free_nd_entry(struct nd_entry
*nd
)
831 rb_dictionary_delete(nd_dict
, nd
->name
);
833 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
834 rb_bh_free(nd_heap
, nd
);
838 expire_nd_entries(void *unused
)
842 rb_dlink_node
*next_ptr
;
844 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
848 /* this list is ordered - we can stop when we hit the first
849 * entry that doesnt expire..
851 if(nd
->expire
> rb_current_time())
859 add_tgchange(const char *host
)
862 rb_patricia_node_t
*pnode
;
864 if(find_tgchange(host
))
867 target
= rb_malloc(sizeof(tgchange
));
868 pnode
= make_and_lookup(tgchange_tree
, host
);
870 pnode
->data
= target
;
871 target
->pnode
= pnode
;
873 target
->ip
= rb_strdup(host
);
874 target
->expiry
= rb_current_time() + (60*60*12);
876 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
880 find_tgchange(const char *host
)
882 rb_patricia_node_t
*pnode
;
884 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))