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"
50 #include "sprintf_irc.h"
51 #include "irc_dictionary.h"
53 dlink_list shared_conf_list
;
54 dlink_list cluster_conf_list
;
55 dlink_list oper_conf_list
;
56 dlink_list hubleaf_conf_list
;
57 dlink_list server_conf_list
;
58 dlink_list xline_conf_list
;
59 dlink_list resv_conf_list
; /* nicks only! */
60 dlink_list nd_list
; /* nick delay */
61 dlink_list tgchange_list
;
63 patricia_tree_t
*tgchange_tree
;
65 static BlockHeap
*nd_heap
= NULL
;
67 static void expire_temp_rxlines(void *unused
);
68 static void expire_nd_entries(void *unused
);
73 tgchange_tree
= New_Patricia(PATRICIA_BITS
);
74 nd_heap
= BlockHeapCreate(sizeof(struct nd_entry
), ND_HEAP_SIZE
);
75 eventAddIsh("expire_nd_entries", expire_nd_entries
, NULL
, 30);
76 eventAddIsh("expire_temp_rxlines", expire_temp_rxlines
, NULL
, 60);
82 struct server_conf
*server_p
;
86 DLINK_FOREACH_SAFE(ptr
, next_ptr
, shared_conf_list
.head
)
88 /* ptr here is ptr->data->node */
89 dlinkDelete(ptr
, &shared_conf_list
);
90 free_remote_conf(ptr
->data
);
93 DLINK_FOREACH_SAFE(ptr
, next_ptr
, cluster_conf_list
.head
)
95 dlinkDelete(ptr
, &cluster_conf_list
);
96 free_remote_conf(ptr
->data
);
99 DLINK_FOREACH_SAFE(ptr
, next_ptr
, hubleaf_conf_list
.head
)
101 dlinkDelete(ptr
, &hubleaf_conf_list
);
102 free_remote_conf(ptr
->data
);
105 DLINK_FOREACH_SAFE(ptr
, next_ptr
, oper_conf_list
.head
)
107 free_oper_conf(ptr
->data
);
108 dlinkDestroy(ptr
, &oper_conf_list
);
111 DLINK_FOREACH_SAFE(ptr
, next_ptr
, server_conf_list
.head
)
113 server_p
= ptr
->data
;
115 if(!server_p
->servers
)
117 dlinkDelete(ptr
, &server_conf_list
);
118 free_server_conf(ptr
->data
);
121 server_p
->flags
|= SERVER_ILLEGAL
;
126 clear_s_newconf_bans(void)
128 struct ConfItem
*aconf
;
129 dlink_node
*ptr
, *next_ptr
;
131 DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
139 dlinkDestroy(ptr
, &xline_conf_list
);
142 DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
151 dlinkDestroy(ptr
, &resv_conf_list
);
158 make_remote_conf(void)
160 struct remote_conf
*remote_p
= MyMalloc(sizeof(struct remote_conf
));
165 free_remote_conf(struct remote_conf
*remote_p
)
167 s_assert(remote_p
!= NULL
);
171 MyFree(remote_p
->username
);
172 MyFree(remote_p
->host
);
173 MyFree(remote_p
->server
);
178 find_shared_conf(const char *username
, const char *host
,
179 const char *server
, int flags
)
181 struct remote_conf
*shared_p
;
184 DLINK_FOREACH(ptr
, shared_conf_list
.head
)
186 shared_p
= ptr
->data
;
188 if(match(shared_p
->username
, username
) &&
189 match(shared_p
->host
, host
) &&
190 match(shared_p
->server
, server
))
192 if(shared_p
->flags
& flags
)
203 propagate_generic(struct Client
*source_p
, const char *command
,
204 const char *target
, int cap
, const char *format
, ...)
206 char buffer
[BUFSIZE
];
209 va_start(args
, format
);
210 ircvsnprintf(buffer
, sizeof(buffer
), format
, args
);
213 sendto_match_servs(source_p
, target
, cap
, NOCAPS
,
215 command
, target
, buffer
);
216 sendto_match_servs(source_p
, target
, CAP_ENCAP
, cap
,
218 target
, command
, buffer
);
222 cluster_generic(struct Client
*source_p
, const char *command
,
223 int cltype
, int cap
, const char *format
, ...)
225 char buffer
[BUFSIZE
];
226 struct remote_conf
*shared_p
;
230 va_start(args
, format
);
231 ircvsnprintf(buffer
, sizeof(buffer
), format
, args
);
234 DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
236 shared_p
= ptr
->data
;
238 if(!(shared_p
->flags
& cltype
))
241 sendto_match_servs(source_p
, shared_p
->server
, cap
, NOCAPS
,
243 command
, shared_p
->server
, buffer
);
244 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, cap
,
246 shared_p
->server
, command
, buffer
);
253 struct oper_conf
*oper_p
= MyMalloc(sizeof(struct oper_conf
));
258 free_oper_conf(struct oper_conf
*oper_p
)
260 s_assert(oper_p
!= NULL
);
264 MyFree(oper_p
->username
);
265 MyFree(oper_p
->host
);
266 MyFree(oper_p
->name
);
270 memset(oper_p
->passwd
, 0, strlen(oper_p
->passwd
));
271 MyFree(oper_p
->passwd
);
274 #ifdef HAVE_LIBCRYPTO
275 MyFree(oper_p
->rsa_pubkey_file
);
277 if(oper_p
->rsa_pubkey
)
278 RSA_free(oper_p
->rsa_pubkey
);
285 find_oper_conf(const char *username
, const char *host
, const char *locip
, const char *name
)
287 struct oper_conf
*oper_p
;
288 struct irc_sockaddr_storage ip
, cip
;
289 char addr
[HOSTLEN
+1];
293 parse_netmask(locip
, (struct sockaddr
*)&cip
, &cbits
);
295 DLINK_FOREACH(ptr
, oper_conf_list
.head
)
299 /* name/username doesnt match.. */
300 if(irccmp(oper_p
->name
, name
) || !match(oper_p
->username
, username
))
303 strlcpy(addr
, oper_p
->host
, sizeof(addr
));
305 if(parse_netmask(addr
, (struct sockaddr
*)&ip
, &bits
) != HM_HOST
)
307 if(ip
.ss_family
== cip
.ss_family
&&
308 comp_with_mask_sock((struct sockaddr
*)&ip
, (struct sockaddr
*)&cip
, bits
))
312 /* we have to compare against the host as well, because its
313 * valid to set a spoof to an IP, which if we only compare
314 * in ip form to sockhost will not necessarily match --anfl
316 if(match(oper_p
->host
, host
))
329 static struct oper_flags oper_flagtable
[] =
331 { OPER_GLINE
, 'G', 'g' },
332 { OPER_KLINE
, 'K', 'k' },
333 { OPER_XLINE
, 'X', 'x' },
334 { OPER_RESV
, 'Q', 'q' },
335 { OPER_GLOBKILL
, 'O', 'o' },
336 { OPER_LOCKILL
, 'C', 'c' },
337 { OPER_REMOTE
, 'R', 'r' },
338 { OPER_UNKLINE
, 'U', 'u' },
339 { OPER_REHASH
, 'H', 'h' },
340 { OPER_DIE
, 'D', 'd' },
341 { OPER_ADMIN
, 'A', 'a' },
342 { OPER_NICKS
, 'N', 'n' },
343 { OPER_OPERWALL
, 'L', 'l' },
344 { OPER_SPY
, 'S', 's' },
345 { OPER_INVIS
, 'P', 'p' },
346 { OPER_REMOTEBAN
, 'B', 'b' },
347 { OPER_MASSNOTICE
, 'M', 'm' },
352 get_oper_privs(int flags
)
360 for(i
= 0; oper_flagtable
[i
].flag
; i
++)
362 if(flags
& oper_flagtable
[i
].flag
)
363 *p
++ = oper_flagtable
[i
].has
;
365 *p
++ = oper_flagtable
[i
].hasnt
;
374 make_server_conf(void)
376 struct server_conf
*server_p
= MyMalloc(sizeof(struct server_conf
));
377 server_p
->aftype
= AF_INET
;
382 free_server_conf(struct server_conf
*server_p
)
384 s_assert(server_p
!= NULL
);
388 if(!EmptyString(server_p
->passwd
))
390 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
391 MyFree(server_p
->passwd
);
394 if(!EmptyString(server_p
->spasswd
))
396 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
397 MyFree(server_p
->spasswd
);
400 MyFree(server_p
->name
);
401 MyFree(server_p
->host
);
402 MyFree(server_p
->class_name
);
407 add_server_conf(struct server_conf
*server_p
)
409 if(EmptyString(server_p
->class_name
))
411 DupString(server_p
->class_name
, "default");
412 server_p
->class = default_class
;
416 server_p
->class = find_class(server_p
->class_name
);
418 if(server_p
->class == default_class
)
420 conf_report_error("Warning connect::class invalid for %s",
423 MyFree(server_p
->class_name
);
424 DupString(server_p
->class_name
, "default");
427 if(strchr(server_p
->host
, '*') || strchr(server_p
->host
, '?'))
432 find_server_conf(const char *name
)
434 struct server_conf
*server_p
;
437 DLINK_FOREACH(ptr
, server_conf_list
.head
)
439 server_p
= ptr
->data
;
441 if(ServerConfIllegal(server_p
))
444 if(match(name
, server_p
->name
))
452 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
454 /* already have an attached conf */
455 if(client_p
->localClient
->att_sconf
)
457 /* short circuit this special case :) */
458 if(client_p
->localClient
->att_sconf
== server_p
)
461 detach_server_conf(client_p
);
464 CurrUsers(server_p
->class)++;
466 client_p
->localClient
->att_sconf
= server_p
;
471 detach_server_conf(struct Client
*client_p
)
473 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
478 client_p
->localClient
->att_sconf
= NULL
;
480 CurrUsers(server_p
->class)--;
482 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
484 /* the class this one is using may need destroying too */
485 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
486 free_class(server_p
->class);
488 dlinkDelete(&server_p
->node
, &server_conf_list
);
489 free_server_conf(server_p
);
494 set_server_conf_autoconn(struct Client
*source_p
, char *name
, int newval
)
496 struct server_conf
*server_p
;
498 if((server_p
= find_server_conf(name
)) != NULL
)
501 server_p
->flags
|= SERVER_AUTOCONN
;
503 server_p
->flags
&= ~SERVER_AUTOCONN
;
505 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
506 "%s has changed AUTOCONN for %s to %i",
507 get_oper_name(source_p
), name
, newval
);
510 sendto_one_notice(source_p
, ":Can't find %s", name
);
514 find_xline(const char *gecos
, int counter
)
516 struct ConfItem
*aconf
;
519 DLINK_FOREACH(ptr
, xline_conf_list
.head
)
523 if(match_esc(aconf
->name
, gecos
))
535 find_xline_mask(const char *gecos
)
537 struct ConfItem
*aconf
;
540 DLINK_FOREACH(ptr
, xline_conf_list
.head
)
544 if(!irccmp(aconf
->name
, gecos
))
552 find_nick_resv(const char *name
)
554 struct ConfItem
*aconf
;
557 DLINK_FOREACH(ptr
, resv_conf_list
.head
)
561 if(match_esc(aconf
->name
, name
))
572 find_nick_resv_mask(const char *name
)
574 struct ConfItem
*aconf
;
577 DLINK_FOREACH(ptr
, resv_conf_list
.head
)
581 if(!irccmp(aconf
->name
, name
))
591 * outputs - 1 if nick is vaild resv, 0 otherwise
595 clean_resv_nick(const char *nick
)
602 if(*nick
== '-' || IsDigit(*nick
))
605 while ((tmpch
= *nick
++))
607 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
609 else if(tmpch
== '*')
611 else if(IsNickChar(tmpch
))
623 /* valid_wild_card_simple()
625 * inputs - "thing" to test
626 * outputs - 1 if enough wildcards, else 0
630 valid_wild_card_simple(const char *data
)
637 /* check the string for minimum number of nonwildcard chars */
640 while((tmpch
= *p
++))
642 /* found an escape, p points to the char after it, so skip
645 if(tmpch
== '\\' && *p
)
648 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
651 else if(!IsMWildChar(tmpch
))
653 /* if we have enough nonwildchars, return */
654 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
661 /* strings without wilds are also ok */
666 valid_temp_time(const char *p
)
675 result
+= ((*p
) & 0xF);
682 if(result
> (60 * 24 * 7 * 52))
683 result
= (60 * 24 * 7 * 52);
689 expire_temp_rxlines(void *unused
)
691 struct ConfItem
*aconf
;
693 dlink_node
*next_ptr
;
696 HASH_WALK_SAFE(i
, R_MAX
, ptr
, next_ptr
, resvTable
)
700 if(aconf
->hold
&& aconf
->hold
<= CurrentTime
)
702 if(ConfigFileEntry
.tkline_expire_notices
)
703 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
704 "Temporary RESV for [%s] expired",
708 dlinkDestroy(ptr
, &resvTable
[i
]);
713 DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
717 if(aconf
->hold
&& aconf
->hold
<= CurrentTime
)
719 if(ConfigFileEntry
.tkline_expire_notices
)
720 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
721 "Temporary RESV for [%s] expired",
724 dlinkDestroy(ptr
, &resv_conf_list
);
728 DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
732 if(aconf
->hold
&& aconf
->hold
<= CurrentTime
)
734 if(ConfigFileEntry
.tkline_expire_notices
)
735 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
736 "Temporary X-line for [%s] expired",
739 dlinkDestroy(ptr
, &xline_conf_list
);
747 return(dlink_list_length(&nd_list
));
751 add_nd_entry(const char *name
)
755 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
758 nd
= BlockHeapAlloc(nd_heap
);
760 strlcpy(nd
->name
, name
, sizeof(nd
->name
));
761 nd
->expire
= CurrentTime
+ ConfigFileEntry
.nick_delay
;
763 /* this list is ordered */
764 dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
766 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
770 free_nd_entry(struct nd_entry
*nd
)
772 irc_dictionary_delete(nd_dict
, nd
->name
);
774 dlinkDelete(&nd
->lnode
, &nd_list
);
775 BlockHeapFree(nd_heap
, nd
);
779 expire_nd_entries(void *unused
)
783 dlink_node
*next_ptr
;
785 DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
789 /* this list is ordered - we can stop when we hit the first
790 * entry that doesnt expire..
792 if(nd
->expire
> CurrentTime
)
800 add_tgchange(const char *host
)
803 patricia_node_t
*pnode
;
805 if(find_tgchange(host
))
808 target
= MyMalloc(sizeof(tgchange
));
809 pnode
= make_and_lookup(tgchange_tree
, host
);
811 pnode
->data
= target
;
812 target
->pnode
= pnode
;
814 DupString(target
->ip
, host
);
815 target
->expiry
= CurrentTime
+ (60*60*12);
817 dlinkAdd(target
, &target
->node
, &tgchange_list
);
821 find_tgchange(const char *host
)
823 patricia_node_t
*pnode
;
825 if((pnode
= match_exact_string(tgchange_tree
, host
)))