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"
48 rb_dlink_list shared_conf_list
;
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
, shared_conf_list
.head
)
86 /* ptr here is ptr->data->node */
87 rb_dlinkDelete(ptr
, &shared_conf_list
);
88 free_remote_conf(ptr
->data
);
91 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
93 rb_dlinkDelete(ptr
, &cluster_conf_list
);
94 free_remote_conf(ptr
->data
);
97 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, hubleaf_conf_list
.head
)
99 rb_dlinkDelete(ptr
, &hubleaf_conf_list
);
100 free_remote_conf(ptr
->data
);
103 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
105 free_oper_conf(ptr
->data
);
106 rb_dlinkDestroy(ptr
, &oper_conf_list
);
109 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
111 server_p
= ptr
->data
;
113 if(!server_p
->servers
)
115 rb_dlinkDelete(ptr
, &server_conf_list
);
116 free_server_conf(ptr
->data
);
119 server_p
->flags
|= SERVER_ILLEGAL
;
124 clear_s_newconf_bans(void)
126 struct ConfItem
*aconf
;
127 rb_dlink_node
*ptr
, *next_ptr
;
129 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
137 rb_dlinkDestroy(ptr
, &xline_conf_list
);
140 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
149 rb_dlinkDestroy(ptr
, &resv_conf_list
);
156 make_remote_conf(void)
158 struct remote_conf
*remote_p
= rb_malloc(sizeof(struct remote_conf
));
163 free_remote_conf(struct remote_conf
*remote_p
)
165 s_assert(remote_p
!= NULL
);
169 rb_free(remote_p
->username
);
170 rb_free(remote_p
->host
);
171 rb_free(remote_p
->server
);
176 find_shared_conf(const char *username
, const char *host
,
177 const char *server
, int flags
)
179 struct remote_conf
*shared_p
;
182 RB_DLINK_FOREACH(ptr
, shared_conf_list
.head
)
184 shared_p
= ptr
->data
;
186 if(match(shared_p
->username
, username
) &&
187 match(shared_p
->host
, host
) &&
188 match(shared_p
->server
, server
))
190 if(shared_p
->flags
& flags
)
201 propagate_generic(struct Client
*source_p
, const char *command
,
202 const char *target
, int cap
, const char *format
, ...)
204 char buffer
[BUFSIZE
];
207 va_start(args
, format
);
208 rb_vsnprintf(buffer
, sizeof(buffer
), format
, args
);
211 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
213 command
, target
, buffer
);
214 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
216 target
, command
, buffer
);
220 cluster_generic(struct Client
*source_p
, const char *command
,
221 int cltype
, int cap
, const char *format
, ...)
223 char buffer
[BUFSIZE
];
224 struct remote_conf
*shared_p
;
228 va_start(args
, format
);
229 rb_vsnprintf(buffer
, sizeof(buffer
), format
, args
);
232 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
234 shared_p
= ptr
->data
;
236 if(!(shared_p
->flags
& cltype
))
239 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
241 command
, shared_p
->server
, buffer
);
242 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
244 shared_p
->server
, command
, buffer
);
251 struct oper_conf
*oper_p
= rb_malloc(sizeof(struct oper_conf
));
256 free_oper_conf(struct oper_conf
*oper_p
)
258 s_assert(oper_p
!= NULL
);
262 rb_free(oper_p
->username
);
263 rb_free(oper_p
->host
);
264 rb_free(oper_p
->name
);
268 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
269 rb_free(oper_p
->passwd
);
272 #ifdef HAVE_LIBCRYPTO
273 rb_free(oper_p
->rsa_pubkey_file
);
275 if(oper_p
->rsa_pubkey
)
276 RSA_free(oper_p
->rsa_pubkey
);
283 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
285 struct oper_conf
*oper_p
;
286 struct rb_sockaddr_storage ip
, cip
;
287 char addr
[HOSTLEN
+1];
291 parse_netmask(locip
, (struct sockaddr
*)&cip
, &cbits
);
293 RB_DLINK_FOREACH(ptr
, oper_conf_list
.head
)
297 /* name/username doesnt match.. */
298 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
301 rb_strlcpy(addr
, oper_p
->host
, sizeof(addr
));
303 if(parse_netmask(addr
, (struct sockaddr
*)&ip
, &bits
) != HM_HOST
)
305 if(ip
.ss_family
== cip
.ss_family
&&
306 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
310 /* we have to compare against the host as well, because its
311 * valid to set a spoof to an IP, which if we only compare
312 * in ip form to sockhost will not necessarily match --anfl
314 if(match(oper_p
->host
, host
))
322 make_server_conf(void)
324 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
325 server_p
->aftype
= AF_INET
;
330 free_server_conf(struct server_conf
*server_p
)
332 s_assert(server_p
!= NULL
);
336 if(!EmptyString(server_p
->passwd
))
338 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
339 rb_free(server_p
->passwd
);
342 if(!EmptyString(server_p
->spasswd
))
344 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
345 rb_free(server_p
->spasswd
);
348 rb_free(server_p
->name
);
349 rb_free(server_p
->host
);
350 rb_free(server_p
->class_name
);
355 add_server_conf(struct server_conf
*server_p
)
357 if(EmptyString(server_p
->class_name
))
359 server_p
->class_name
= rb_strdup("default");
360 server_p
->class = default_class
;
364 server_p
->class = find_class(server_p
->class_name
);
366 if(server_p
->class == default_class
)
368 conf_report_error("Warning connect::class invalid for %s",
371 rb_free(server_p
->class_name
);
372 server_p
->class_name
= rb_strdup("default");
375 if(strchr(server_p
->host
, '*') || strchr(server_p
->host
, '?'))
380 find_server_conf(const char *name
)
382 struct server_conf
*server_p
;
385 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
387 server_p
= ptr
->data
;
389 if(ServerConfIllegal(server_p
))
392 if(match(name
, server_p
->name
))
400 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
402 /* already have an attached conf */
403 if(client_p
->localClient
->att_sconf
)
405 /* short circuit this special case :) */
406 if(client_p
->localClient
->att_sconf
== server_p
)
409 detach_server_conf(client_p
);
412 CurrUsers(server_p
->class)++;
414 client_p
->localClient
->att_sconf
= server_p
;
419 detach_server_conf(struct Client
*client_p
)
421 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
426 client_p
->localClient
->att_sconf
= NULL
;
428 CurrUsers(server_p
->class)--;
430 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
432 /* the class this one is using may need destroying too */
433 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
434 free_class(server_p
->class);
436 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
437 free_server_conf(server_p
);
442 set_server_conf_autoconn(struct Client
*source_p
, const char *name
, int newval
)
444 struct server_conf
*server_p
;
446 if((server_p
= find_server_conf(name
)) != NULL
)
449 server_p
->flags
|= SERVER_AUTOCONN
;
451 server_p
->flags
&= ~SERVER_AUTOCONN
;
453 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
454 "%s has changed AUTOCONN for %s to %i",
455 get_oper_name(source_p
), name
, newval
);
458 sendto_one_notice(source_p
, ":Can't find %s", name
);
462 disable_server_conf_autoconn(const char *name
)
464 struct server_conf
*server_p
;
466 server_p
= find_server_conf(name
);
467 if(server_p
!= NULL
&& server_p
->flags
& SERVER_AUTOCONN
)
469 server_p
->flags
&= ~SERVER_AUTOCONN
;
471 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
472 "Disabling AUTOCONN for %s because of error",
474 ilog(L_SERVER
, "Disabling AUTOCONN for %s because of error",
480 find_xline(const char *gecos
, int counter
)
482 struct ConfItem
*aconf
;
485 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
489 if(match_esc(aconf
->name
, gecos
))
501 find_xline_mask(const char *gecos
)
503 struct ConfItem
*aconf
;
506 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
510 if(!irccmp(aconf
->name
, gecos
))
518 find_nick_resv(const char *name
)
520 struct ConfItem
*aconf
;
523 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
527 if(match_esc(aconf
->name
, name
))
538 find_nick_resv_mask(const char *name
)
540 struct ConfItem
*aconf
;
543 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
547 if(!irccmp(aconf
->name
, name
))
557 * outputs - 1 if nick is vaild resv, 0 otherwise
561 clean_resv_nick(const char *nick
)
568 if(*nick
== '-' || IsDigit(*nick
))
571 while ((tmpch
= *nick
++))
573 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
575 else if(tmpch
== '*')
577 else if(IsNickChar(tmpch
))
589 /* valid_wild_card_simple()
591 * inputs - "thing" to test
592 * outputs - 1 if enough wildcards, else 0
596 valid_wild_card_simple(const char *data
)
603 /* check the string for minimum number of nonwildcard chars */
606 while((tmpch
= *p
++))
608 /* found an escape, p points to the char after it, so skip
611 if(tmpch
== '\\' && *p
)
614 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
617 else if(!IsMWildChar(tmpch
))
619 /* if we have enough nonwildchars, return */
620 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
627 /* strings without wilds are also ok */
632 valid_temp_time(const char *p
)
641 result
+= ((*p
) & 0xF);
648 if(result
> (60 * 24 * 7 * 52))
649 result
= (60 * 24 * 7 * 52);
655 expire_temp_rxlines(void *unused
)
657 struct ConfItem
*aconf
;
659 rb_dlink_node
*next_ptr
;
662 HASH_WALK_SAFE(i
, R_MAX
, ptr
, next_ptr
, resvTable
)
666 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
668 if(ConfigFileEntry
.tkline_expire_notices
)
669 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
670 "Temporary RESV for [%s] expired",
674 rb_dlinkDestroy(ptr
, &resvTable
[i
]);
679 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
683 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
685 if(ConfigFileEntry
.tkline_expire_notices
)
686 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
687 "Temporary RESV for [%s] expired",
690 rb_dlinkDestroy(ptr
, &resv_conf_list
);
694 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
698 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
700 if(ConfigFileEntry
.tkline_expire_notices
)
701 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
702 "Temporary X-line for [%s] expired",
705 rb_dlinkDestroy(ptr
, &xline_conf_list
);
713 return(rb_dlink_list_length(&nd_list
));
717 add_nd_entry(const char *name
)
721 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
724 nd
= rb_bh_alloc(nd_heap
);
726 rb_strlcpy(nd
->name
, name
, sizeof(nd
->name
));
727 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
729 /* this list is ordered */
730 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
732 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
736 free_nd_entry(struct nd_entry
*nd
)
738 irc_dictionary_delete(nd_dict
, nd
->name
);
740 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
741 rb_bh_free(nd_heap
, nd
);
745 expire_nd_entries(void *unused
)
749 rb_dlink_node
*next_ptr
;
751 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
755 /* this list is ordered - we can stop when we hit the first
756 * entry that doesnt expire..
758 if(nd
->expire
> rb_current_time())
766 add_tgchange(const char *host
)
769 rb_patricia_node_t
*pnode
;
771 if(find_tgchange(host
))
774 target
= rb_malloc(sizeof(tgchange
));
775 pnode
= make_and_lookup(tgchange_tree
, host
);
777 pnode
->data
= target
;
778 target
->pnode
= pnode
;
780 target
->ip
= rb_strdup(host
);
781 target
->expiry
= rb_current_time() + (60*60*12);
783 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
787 find_tgchange(const char *host
)
789 rb_patricia_node_t
*pnode
;
791 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))