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
);
265 rb_free(oper_p
->certfp
);
269 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
270 rb_free(oper_p
->passwd
);
273 #ifdef HAVE_LIBCRYPTO
274 rb_free(oper_p
->rsa_pubkey_file
);
276 if(oper_p
->rsa_pubkey
)
277 RSA_free(oper_p
->rsa_pubkey
);
284 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
286 struct oper_conf
*oper_p
;
287 struct rb_sockaddr_storage ip
, cip
;
288 char addr
[HOSTLEN
+1];
292 parse_netmask(locip
, (struct sockaddr
*)&cip
, &cbits
);
294 RB_DLINK_FOREACH(ptr
, oper_conf_list
.head
)
298 /* name/username doesnt match.. */
299 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
302 rb_strlcpy(addr
, oper_p
->host
, sizeof(addr
));
304 if(parse_netmask(addr
, (struct sockaddr
*)&ip
, &bits
) != HM_HOST
)
306 if(ip
.ss_family
== cip
.ss_family
&&
307 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
311 /* we have to compare against the host as well, because its
312 * valid to set a spoof to an IP, which if we only compare
313 * in ip form to sockhost will not necessarily match --anfl
315 if(match(oper_p
->host
, host
))
323 make_server_conf(void)
325 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
326 server_p
->aftype
= AF_INET
;
331 free_server_conf(struct server_conf
*server_p
)
333 s_assert(server_p
!= NULL
);
337 if(!EmptyString(server_p
->passwd
))
339 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
340 rb_free(server_p
->passwd
);
343 if(!EmptyString(server_p
->spasswd
))
345 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
346 rb_free(server_p
->spasswd
);
349 rb_free(server_p
->name
);
350 rb_free(server_p
->host
);
351 rb_free(server_p
->class_name
);
356 add_server_conf(struct server_conf
*server_p
)
358 if(EmptyString(server_p
->class_name
))
360 server_p
->class_name
= rb_strdup("default");
361 server_p
->class = default_class
;
365 server_p
->class = find_class(server_p
->class_name
);
367 if(server_p
->class == default_class
)
369 conf_report_error("Warning connect::class invalid for %s",
372 rb_free(server_p
->class_name
);
373 server_p
->class_name
= rb_strdup("default");
376 if(strchr(server_p
->host
, '*') || strchr(server_p
->host
, '?'))
381 find_server_conf(const char *name
)
383 struct server_conf
*server_p
;
386 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
388 server_p
= ptr
->data
;
390 if(ServerConfIllegal(server_p
))
393 if(match(name
, server_p
->name
))
401 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
403 /* already have an attached conf */
404 if(client_p
->localClient
->att_sconf
)
406 /* short circuit this special case :) */
407 if(client_p
->localClient
->att_sconf
== server_p
)
410 detach_server_conf(client_p
);
413 CurrUsers(server_p
->class)++;
415 client_p
->localClient
->att_sconf
= server_p
;
420 detach_server_conf(struct Client
*client_p
)
422 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
427 client_p
->localClient
->att_sconf
= NULL
;
429 CurrUsers(server_p
->class)--;
431 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
433 /* the class this one is using may need destroying too */
434 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
435 free_class(server_p
->class);
437 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
438 free_server_conf(server_p
);
443 set_server_conf_autoconn(struct Client
*source_p
, const char *name
, int newval
)
445 struct server_conf
*server_p
;
447 if((server_p
= find_server_conf(name
)) != NULL
)
450 server_p
->flags
|= SERVER_AUTOCONN
;
452 server_p
->flags
&= ~SERVER_AUTOCONN
;
454 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
455 "%s has changed AUTOCONN for %s to %i",
456 get_oper_name(source_p
), name
, newval
);
459 sendto_one_notice(source_p
, ":Can't find %s", name
);
463 disable_server_conf_autoconn(const char *name
)
465 struct server_conf
*server_p
;
467 server_p
= find_server_conf(name
);
468 if(server_p
!= NULL
&& server_p
->flags
& SERVER_AUTOCONN
)
470 server_p
->flags
&= ~SERVER_AUTOCONN
;
472 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
473 "Disabling AUTOCONN for %s because of error",
475 ilog(L_SERVER
, "Disabling AUTOCONN for %s because of error",
481 find_xline(const char *gecos
, int counter
)
483 struct ConfItem
*aconf
;
486 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
490 if(match_esc(aconf
->host
, gecos
))
502 find_xline_mask(const char *gecos
)
504 struct ConfItem
*aconf
;
507 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
511 if(!irccmp(aconf
->host
, gecos
))
519 find_nick_resv(const char *name
)
521 struct ConfItem
*aconf
;
524 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
528 if(match_esc(aconf
->host
, name
))
539 find_nick_resv_mask(const char *name
)
541 struct ConfItem
*aconf
;
544 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
548 if(!irccmp(aconf
->host
, name
))
558 * outputs - 1 if nick is vaild resv, 0 otherwise
562 clean_resv_nick(const char *nick
)
569 if(*nick
== '-' || IsDigit(*nick
))
572 while ((tmpch
= *nick
++))
574 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
576 else if(tmpch
== '*')
578 else if(IsNickChar(tmpch
))
590 /* valid_wild_card_simple()
592 * inputs - "thing" to test
593 * outputs - 1 if enough wildcards, else 0
597 valid_wild_card_simple(const char *data
)
604 /* check the string for minimum number of nonwildcard chars */
607 while((tmpch
= *p
++))
609 /* found an escape, p points to the char after it, so skip
612 if(tmpch
== '\\' && *p
)
615 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
618 else if(!IsMWildChar(tmpch
))
620 /* if we have enough nonwildchars, return */
621 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
628 /* strings without wilds are also ok */
633 valid_temp_time(const char *p
)
642 result
+= ((*p
) & 0xF);
649 if(result
> (60 * 24 * 7 * 52))
650 result
= (60 * 24 * 7 * 52);
655 /* Propagated bans are expired elsewhere. */
657 expire_temp_rxlines(void *unused
)
659 struct ConfItem
*aconf
;
661 rb_dlink_node
*next_ptr
;
664 HASH_WALK_SAFE(i
, R_MAX
, ptr
, next_ptr
, resvTable
)
668 if(aconf
->lifetime
!= 0)
670 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
672 if(ConfigFileEntry
.tkline_expire_notices
)
673 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
674 "Temporary RESV for [%s] expired",
678 rb_dlinkDestroy(ptr
, &resvTable
[i
]);
683 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
687 if(aconf
->lifetime
!= 0)
689 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
691 if(ConfigFileEntry
.tkline_expire_notices
)
692 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
693 "Temporary RESV for [%s] expired",
696 rb_dlinkDestroy(ptr
, &resv_conf_list
);
700 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
704 if(aconf
->lifetime
!= 0)
706 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
708 if(ConfigFileEntry
.tkline_expire_notices
)
709 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
710 "Temporary X-line for [%s] expired",
713 rb_dlinkDestroy(ptr
, &xline_conf_list
);
721 return(rb_dlink_list_length(&nd_list
));
725 add_nd_entry(const char *name
)
729 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
732 nd
= rb_bh_alloc(nd_heap
);
734 rb_strlcpy(nd
->name
, name
, sizeof(nd
->name
));
735 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
737 /* this list is ordered */
738 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
740 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
744 free_nd_entry(struct nd_entry
*nd
)
746 irc_dictionary_delete(nd_dict
, nd
->name
);
748 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
749 rb_bh_free(nd_heap
, nd
);
753 expire_nd_entries(void *unused
)
757 rb_dlink_node
*next_ptr
;
759 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
763 /* this list is ordered - we can stop when we hit the first
764 * entry that doesnt expire..
766 if(nd
->expire
> rb_current_time())
774 add_tgchange(const char *host
)
777 rb_patricia_node_t
*pnode
;
779 if(find_tgchange(host
))
782 target
= rb_malloc(sizeof(tgchange
));
783 pnode
= make_and_lookup(tgchange_tree
, host
);
785 pnode
->data
= target
;
786 target
->pnode
= pnode
;
788 target
->ip
= rb_strdup(host
);
789 target
->expiry
= rb_current_time() + (60*60*12);
791 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
795 find_tgchange(const char *host
)
797 rb_patricia_node_t
*pnode
;
799 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))