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 "sprintf_irc.h"
47 #include "irc_dictionary.h"
49 rb_dlink_list shared_conf_list
;
50 rb_dlink_list cluster_conf_list
;
51 rb_dlink_list oper_conf_list
;
52 rb_dlink_list hubleaf_conf_list
;
53 rb_dlink_list server_conf_list
;
54 rb_dlink_list xline_conf_list
;
55 rb_dlink_list resv_conf_list
; /* nicks only! */
56 rb_dlink_list nd_list
; /* nick delay */
57 rb_dlink_list tgchange_list
;
59 rb_patricia_tree_t
*tgchange_tree
;
61 static rb_bh
*nd_heap
= NULL
;
63 static void expire_temp_rxlines(void *unused
);
64 static void expire_nd_entries(void *unused
);
66 struct ev_entry
*expire_nd_entries_ev
= NULL
;
67 struct ev_entry
*expire_temp_rxlines_ev
= NULL
;
72 tgchange_tree
= rb_new_patricia(PATRICIA_BITS
);
73 nd_heap
= rb_bh_create(sizeof(struct nd_entry
), ND_HEAP_SIZE
, "nd_heap");
74 expire_nd_entries_ev
= rb_event_addish("expire_nd_entries", expire_nd_entries
, NULL
, 30);
75 expire_temp_rxlines_ev
= rb_event_addish("expire_temp_rxlines", expire_temp_rxlines
, NULL
, 60);
81 struct server_conf
*server_p
;
83 rb_dlink_node
*next_ptr
;
85 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, shared_conf_list
.head
)
87 /* ptr here is ptr->data->node */
88 rb_dlinkDelete(ptr
, &shared_conf_list
);
89 free_remote_conf(ptr
->data
);
92 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
94 rb_dlinkDelete(ptr
, &cluster_conf_list
);
95 free_remote_conf(ptr
->data
);
98 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, hubleaf_conf_list
.head
)
100 rb_dlinkDelete(ptr
, &hubleaf_conf_list
);
101 free_remote_conf(ptr
->data
);
104 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
106 free_oper_conf(ptr
->data
);
107 rb_dlinkDestroy(ptr
, &oper_conf_list
);
110 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
112 server_p
= ptr
->data
;
114 if(!server_p
->servers
)
116 rb_dlinkDelete(ptr
, &server_conf_list
);
117 free_server_conf(ptr
->data
);
120 server_p
->flags
|= SERVER_ILLEGAL
;
125 clear_s_newconf_bans(void)
127 struct ConfItem
*aconf
;
128 rb_dlink_node
*ptr
, *next_ptr
;
130 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
138 rb_dlinkDestroy(ptr
, &xline_conf_list
);
141 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
150 rb_dlinkDestroy(ptr
, &resv_conf_list
);
157 make_remote_conf(void)
159 struct remote_conf
*remote_p
= rb_malloc(sizeof(struct remote_conf
));
164 free_remote_conf(struct remote_conf
*remote_p
)
166 s_assert(remote_p
!= NULL
);
170 rb_free(remote_p
->username
);
171 rb_free(remote_p
->host
);
172 rb_free(remote_p
->server
);
177 find_shared_conf(const char *username
, const char *host
,
178 const char *server
, int flags
)
180 struct remote_conf
*shared_p
;
183 RB_DLINK_FOREACH(ptr
, shared_conf_list
.head
)
185 shared_p
= ptr
->data
;
187 if(match(shared_p
->username
, username
) &&
188 match(shared_p
->host
, host
) &&
189 match(shared_p
->server
, server
))
191 if(shared_p
->flags
& flags
)
202 propagate_generic(struct Client
*source_p
, const char *command
,
203 const char *target
, int cap
, const char *format
, ...)
205 char buffer
[BUFSIZE
];
208 va_start(args
, format
);
209 rb_vsnprintf(buffer
, sizeof(buffer
), format
, args
);
212 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
214 command
, target
, buffer
);
215 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
217 target
, command
, buffer
);
221 cluster_generic(struct Client
*source_p
, const char *command
,
222 int cltype
, int cap
, const char *format
, ...)
224 char buffer
[BUFSIZE
];
225 struct remote_conf
*shared_p
;
229 va_start(args
, format
);
230 rb_vsnprintf(buffer
, sizeof(buffer
), format
, args
);
233 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
235 shared_p
= ptr
->data
;
237 if(!(shared_p
->flags
& cltype
))
240 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
242 command
, shared_p
->server
, buffer
);
243 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
245 shared_p
->server
, command
, buffer
);
252 struct oper_conf
*oper_p
= rb_malloc(sizeof(struct oper_conf
));
257 free_oper_conf(struct oper_conf
*oper_p
)
259 s_assert(oper_p
!= NULL
);
263 rb_free(oper_p
->username
);
264 rb_free(oper_p
->host
);
265 rb_free(oper_p
->name
);
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 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
))
328 static struct oper_flags oper_flagtable
[] =
330 { OPER_KLINE
, 'K', 'k' },
331 { OPER_XLINE
, 'X', 'x' },
332 { OPER_RESV
, 'Q', 'q' },
333 { OPER_GLOBKILL
, 'O', 'o' },
334 { OPER_LOCKILL
, 'C', 'c' },
335 { OPER_REMOTE
, 'R', 'r' },
336 { OPER_UNKLINE
, 'U', 'u' },
337 { OPER_REHASH
, 'H', 'h' },
338 { OPER_DIE
, 'D', 'd' },
339 { OPER_ADMIN
, 'A', 'a' },
340 { OPER_NICKS
, 'N', 'n' },
341 { OPER_OPERWALL
, 'L', 'l' },
342 { OPER_SPY
, 'S', 's' },
343 { OPER_INVIS
, 'P', 'p' },
344 { OPER_REMOTEBAN
, 'B', 'b' },
345 { OPER_MASSNOTICE
, 'M', 'm' },
350 get_oper_privs(int flags
)
358 for(i
= 0; oper_flagtable
[i
].flag
; i
++)
360 if(flags
& oper_flagtable
[i
].flag
)
361 *p
++ = oper_flagtable
[i
].has
;
363 *p
++ = oper_flagtable
[i
].hasnt
;
372 make_server_conf(void)
374 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
375 server_p
->aftype
= AF_INET
;
380 free_server_conf(struct server_conf
*server_p
)
382 s_assert(server_p
!= NULL
);
386 if(!EmptyString(server_p
->passwd
))
388 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
389 rb_free(server_p
->passwd
);
392 if(!EmptyString(server_p
->spasswd
))
394 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
395 rb_free(server_p
->spasswd
);
398 rb_free(server_p
->name
);
399 rb_free(server_p
->host
);
400 rb_free(server_p
->class_name
);
405 add_server_conf(struct server_conf
*server_p
)
407 if(EmptyString(server_p
->class_name
))
409 server_p
->class_name
= rb_strdup("default");
410 server_p
->class = default_class
;
414 server_p
->class = find_class(server_p
->class_name
);
416 if(server_p
->class == default_class
)
418 conf_report_error("Warning connect::class invalid for %s",
421 rb_free(server_p
->class_name
);
422 server_p
->class_name
= rb_strdup("default");
425 if(strchr(server_p
->host
, '*') || strchr(server_p
->host
, '?'))
430 find_server_conf(const char *name
)
432 struct server_conf
*server_p
;
435 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
437 server_p
= ptr
->data
;
439 if(ServerConfIllegal(server_p
))
442 if(match(name
, server_p
->name
))
450 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
452 /* already have an attached conf */
453 if(client_p
->localClient
->att_sconf
)
455 /* short circuit this special case :) */
456 if(client_p
->localClient
->att_sconf
== server_p
)
459 detach_server_conf(client_p
);
462 CurrUsers(server_p
->class)++;
464 client_p
->localClient
->att_sconf
= server_p
;
469 detach_server_conf(struct Client
*client_p
)
471 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
476 client_p
->localClient
->att_sconf
= NULL
;
478 CurrUsers(server_p
->class)--;
480 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
482 /* the class this one is using may need destroying too */
483 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
484 free_class(server_p
->class);
486 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
487 free_server_conf(server_p
);
492 set_server_conf_autoconn(struct Client
*source_p
, char *name
, int newval
)
494 struct server_conf
*server_p
;
496 if((server_p
= find_server_conf(name
)) != NULL
)
499 server_p
->flags
|= SERVER_AUTOCONN
;
501 server_p
->flags
&= ~SERVER_AUTOCONN
;
503 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
504 "%s has changed AUTOCONN for %s to %i",
505 get_oper_name(source_p
), name
, newval
);
508 sendto_one_notice(source_p
, ":Can't find %s", name
);
512 find_xline(const char *gecos
, int counter
)
514 struct ConfItem
*aconf
;
517 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
521 if(match_esc(aconf
->name
, gecos
))
533 find_xline_mask(const char *gecos
)
535 struct ConfItem
*aconf
;
538 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
542 if(!irccmp(aconf
->name
, gecos
))
550 find_nick_resv(const char *name
)
552 struct ConfItem
*aconf
;
555 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
559 if(match_esc(aconf
->name
, name
))
570 find_nick_resv_mask(const char *name
)
572 struct ConfItem
*aconf
;
575 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
579 if(!irccmp(aconf
->name
, name
))
589 * outputs - 1 if nick is vaild resv, 0 otherwise
593 clean_resv_nick(const char *nick
)
600 if(*nick
== '-' || IsDigit(*nick
))
603 while ((tmpch
= *nick
++))
605 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
607 else if(tmpch
== '*')
609 else if(IsNickChar(tmpch
))
621 /* valid_wild_card_simple()
623 * inputs - "thing" to test
624 * outputs - 1 if enough wildcards, else 0
628 valid_wild_card_simple(const char *data
)
635 /* check the string for minimum number of nonwildcard chars */
638 while((tmpch
= *p
++))
640 /* found an escape, p points to the char after it, so skip
643 if(tmpch
== '\\' && *p
)
646 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
649 else if(!IsMWildChar(tmpch
))
651 /* if we have enough nonwildchars, return */
652 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
659 /* strings without wilds are also ok */
664 valid_temp_time(const char *p
)
673 result
+= ((*p
) & 0xF);
680 if(result
> (60 * 24 * 7 * 52))
681 result
= (60 * 24 * 7 * 52);
687 expire_temp_rxlines(void *unused
)
689 struct ConfItem
*aconf
;
691 rb_dlink_node
*next_ptr
;
694 HASH_WALK_SAFE(i
, R_MAX
, ptr
, next_ptr
, resvTable
)
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 RESV for [%s] expired",
706 rb_dlinkDestroy(ptr
, &resvTable
[i
]);
711 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
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
->hold
&& aconf
->hold
<= rb_current_time())
732 if(ConfigFileEntry
.tkline_expire_notices
)
733 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
734 "Temporary X-line for [%s] expired",
737 rb_dlinkDestroy(ptr
, &xline_conf_list
);
745 return(rb_dlink_list_length(&nd_list
));
749 add_nd_entry(const char *name
)
753 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
756 nd
= rb_bh_alloc(nd_heap
);
758 strlcpy(nd
->name
, name
, sizeof(nd
->name
));
759 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
761 /* this list is ordered */
762 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
764 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
768 free_nd_entry(struct nd_entry
*nd
)
770 irc_dictionary_delete(nd_dict
, nd
->name
);
772 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
773 rb_bh_free(nd_heap
, nd
);
777 expire_nd_entries(void *unused
)
781 rb_dlink_node
*next_ptr
;
783 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
787 /* this list is ordered - we can stop when we hit the first
788 * entry that doesnt expire..
790 if(nd
->expire
> rb_current_time())
798 add_tgchange(const char *host
)
801 rb_patricia_node_t
*pnode
;
803 if(find_tgchange(host
))
806 target
= rb_malloc(sizeof(tgchange
));
807 pnode
= make_and_lookup(tgchange_tree
, host
);
809 pnode
->data
= target
;
810 target
->pnode
= pnode
;
812 target
->ip
= rb_strdup(host
);
813 target
->expiry
= rb_current_time() + (60*60*12);
815 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
819 find_tgchange(const char *host
)
821 rb_patricia_node_t
*pnode
;
823 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))