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_GLINE
, 'G', 'g' },
331 { OPER_KLINE
, 'K', 'k' },
332 { OPER_XLINE
, 'X', 'x' },
333 { OPER_RESV
, 'Q', 'q' },
334 { OPER_GLOBKILL
, 'O', 'o' },
335 { OPER_LOCKILL
, 'C', 'c' },
336 { OPER_REMOTE
, 'R', 'r' },
337 { OPER_UNKLINE
, 'U', 'u' },
338 { OPER_REHASH
, 'H', 'h' },
339 { OPER_DIE
, 'D', 'd' },
340 { OPER_ADMIN
, 'A', 'a' },
341 { OPER_NICKS
, 'N', 'n' },
342 { OPER_OPERWALL
, 'L', 'l' },
343 { OPER_SPY
, 'S', 's' },
344 { OPER_INVIS
, 'P', 'p' },
345 { OPER_REMOTEBAN
, 'B', 'b' },
346 { OPER_MASSNOTICE
, 'M', 'm' },
351 get_oper_privs(int flags
)
359 for(i
= 0; oper_flagtable
[i
].flag
; i
++)
361 if(flags
& oper_flagtable
[i
].flag
)
362 *p
++ = oper_flagtable
[i
].has
;
364 *p
++ = oper_flagtable
[i
].hasnt
;
373 make_server_conf(void)
375 struct server_conf
*server_p
= rb_malloc(sizeof(struct server_conf
));
376 server_p
->aftype
= AF_INET
;
381 free_server_conf(struct server_conf
*server_p
)
383 s_assert(server_p
!= NULL
);
387 if(!EmptyString(server_p
->passwd
))
389 memset(server_p
->passwd
, 0, strlen(server_p
->passwd
));
390 rb_free(server_p
->passwd
);
393 if(!EmptyString(server_p
->spasswd
))
395 memset(server_p
->spasswd
, 0, strlen(server_p
->spasswd
));
396 rb_free(server_p
->spasswd
);
399 rb_free(server_p
->name
);
400 rb_free(server_p
->host
);
401 rb_free(server_p
->class_name
);
406 add_server_conf(struct server_conf
*server_p
)
408 if(EmptyString(server_p
->class_name
))
410 server_p
->class_name
= rb_strdup("default");
411 server_p
->class = default_class
;
415 server_p
->class = find_class(server_p
->class_name
);
417 if(server_p
->class == default_class
)
419 conf_report_error("Warning connect::class invalid for %s",
422 rb_free(server_p
->class_name
);
423 server_p
->class_name
= rb_strdup("default");
426 if(strchr(server_p
->host
, '*') || strchr(server_p
->host
, '?'))
431 find_server_conf(const char *name
)
433 struct server_conf
*server_p
;
436 RB_DLINK_FOREACH(ptr
, server_conf_list
.head
)
438 server_p
= ptr
->data
;
440 if(ServerConfIllegal(server_p
))
443 if(match(name
, server_p
->name
))
451 attach_server_conf(struct Client
*client_p
, struct server_conf
*server_p
)
453 /* already have an attached conf */
454 if(client_p
->localClient
->att_sconf
)
456 /* short circuit this special case :) */
457 if(client_p
->localClient
->att_sconf
== server_p
)
460 detach_server_conf(client_p
);
463 CurrUsers(server_p
->class)++;
465 client_p
->localClient
->att_sconf
= server_p
;
470 detach_server_conf(struct Client
*client_p
)
472 struct server_conf
*server_p
= client_p
->localClient
->att_sconf
;
477 client_p
->localClient
->att_sconf
= NULL
;
479 CurrUsers(server_p
->class)--;
481 if(ServerConfIllegal(server_p
) && !server_p
->servers
)
483 /* the class this one is using may need destroying too */
484 if(MaxUsers(server_p
->class) < 0 && CurrUsers(server_p
->class) <= 0)
485 free_class(server_p
->class);
487 rb_dlinkDelete(&server_p
->node
, &server_conf_list
);
488 free_server_conf(server_p
);
493 set_server_conf_autoconn(struct Client
*source_p
, char *name
, int newval
)
495 struct server_conf
*server_p
;
497 if((server_p
= find_server_conf(name
)) != NULL
)
500 server_p
->flags
|= SERVER_AUTOCONN
;
502 server_p
->flags
&= ~SERVER_AUTOCONN
;
504 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
505 "%s has changed AUTOCONN for %s to %i",
506 get_oper_name(source_p
), name
, newval
);
509 sendto_one_notice(source_p
, ":Can't find %s", name
);
513 find_xline(const char *gecos
, int counter
)
515 struct ConfItem
*aconf
;
518 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
522 if(match_esc(aconf
->name
, gecos
))
534 find_xline_mask(const char *gecos
)
536 struct ConfItem
*aconf
;
539 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
543 if(!irccmp(aconf
->name
, gecos
))
551 find_nick_resv(const char *name
)
553 struct ConfItem
*aconf
;
556 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
560 if(match_esc(aconf
->name
, name
))
571 find_nick_resv_mask(const char *name
)
573 struct ConfItem
*aconf
;
576 RB_DLINK_FOREACH(ptr
, resv_conf_list
.head
)
580 if(!irccmp(aconf
->name
, name
))
590 * outputs - 1 if nick is vaild resv, 0 otherwise
594 clean_resv_nick(const char *nick
)
601 if(*nick
== '-' || IsDigit(*nick
))
604 while ((tmpch
= *nick
++))
606 if(tmpch
== '?' || tmpch
== '@' || tmpch
== '#')
608 else if(tmpch
== '*')
610 else if(IsNickChar(tmpch
))
622 /* valid_wild_card_simple()
624 * inputs - "thing" to test
625 * outputs - 1 if enough wildcards, else 0
629 valid_wild_card_simple(const char *data
)
636 /* check the string for minimum number of nonwildcard chars */
639 while((tmpch
= *p
++))
641 /* found an escape, p points to the char after it, so skip
644 if(tmpch
== '\\' && *p
)
647 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
650 else if(!IsMWildChar(tmpch
))
652 /* if we have enough nonwildchars, return */
653 if(++nonwild
>= ConfigFileEntry
.min_nonwildcard_simple
)
660 /* strings without wilds are also ok */
665 valid_temp_time(const char *p
)
674 result
+= ((*p
) & 0xF);
681 if(result
> (60 * 24 * 7 * 52))
682 result
= (60 * 24 * 7 * 52);
688 expire_temp_rxlines(void *unused
)
690 struct ConfItem
*aconf
;
692 rb_dlink_node
*next_ptr
;
695 HASH_WALK_SAFE(i
, R_MAX
, ptr
, next_ptr
, resvTable
)
699 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
701 if(ConfigFileEntry
.tkline_expire_notices
)
702 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
703 "Temporary RESV for [%s] expired",
707 rb_dlinkDestroy(ptr
, &resvTable
[i
]);
712 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, resv_conf_list
.head
)
716 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
718 if(ConfigFileEntry
.tkline_expire_notices
)
719 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
720 "Temporary RESV for [%s] expired",
723 rb_dlinkDestroy(ptr
, &resv_conf_list
);
727 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, xline_conf_list
.head
)
731 if(aconf
->hold
&& aconf
->hold
<= rb_current_time())
733 if(ConfigFileEntry
.tkline_expire_notices
)
734 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
735 "Temporary X-line for [%s] expired",
738 rb_dlinkDestroy(ptr
, &xline_conf_list
);
746 return(rb_dlink_list_length(&nd_list
));
750 add_nd_entry(const char *name
)
754 if(irc_dictionary_find(nd_dict
, name
) != NULL
)
757 nd
= rb_bh_alloc(nd_heap
);
759 strlcpy(nd
->name
, name
, sizeof(nd
->name
));
760 nd
->expire
= rb_current_time() + ConfigFileEntry
.nick_delay
;
762 /* this list is ordered */
763 rb_dlinkAddTail(nd
, &nd
->lnode
, &nd_list
);
765 irc_dictionary_add(nd_dict
, nd
->name
, nd
);
769 free_nd_entry(struct nd_entry
*nd
)
771 irc_dictionary_delete(nd_dict
, nd
->name
);
773 rb_dlinkDelete(&nd
->lnode
, &nd_list
);
774 rb_bh_free(nd_heap
, nd
);
778 expire_nd_entries(void *unused
)
782 rb_dlink_node
*next_ptr
;
784 RB_DLINK_FOREACH_SAFE(ptr
, next_ptr
, nd_list
.head
)
788 /* this list is ordered - we can stop when we hit the first
789 * entry that doesnt expire..
791 if(nd
->expire
> rb_current_time())
799 add_tgchange(const char *host
)
802 rb_patricia_node_t
*pnode
;
804 if(find_tgchange(host
))
807 target
= rb_malloc(sizeof(tgchange
));
808 pnode
= make_and_lookup(tgchange_tree
, host
);
810 pnode
->data
= target
;
811 target
->pnode
= pnode
;
813 target
->ip
= rb_strdup(host
);
814 target
->expiry
= rb_current_time() + (60*60*12);
816 rb_dlinkAdd(target
, &target
->node
, &tgchange_list
);
820 find_tgchange(const char *host
)
822 rb_patricia_node_t
*pnode
;
824 if((pnode
= rb_match_exact_string(tgchange_tree
, host
)))