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1 | /* | |
2 | * charybdis: A slightly useful ircd. | |
3 | * blacklist.h: Manages DNS blacklist entries and lookups | |
4 | * | |
5 | * Copyright (C) 2006 charybdis development team | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
20 | * USA | |
21 | */ | |
22 | ||
23 | #ifndef _BLACKLIST_H_ | |
24 | #define _BLACKLIST_H_ | |
25 | ||
26 | #include "stdinc.h" | |
27 | ||
28 | #define BLACKLIST_FILTER_ALL 1 | |
29 | #define BLACKLIST_FILTER_LAST 2 | |
30 | ||
31 | /* A configured DNSBL */ | |
32 | struct Blacklist { | |
33 | unsigned int status; /* If CONF_ILLEGAL, delete when no clients */ | |
34 | int refcount; | |
35 | int ipv4; /* Does this blacklist support IPv4 lookups? */ | |
36 | int ipv6; /* Does this blacklist support IPv6 lookups? */ | |
37 | char host[IRCD_RES_HOSTLEN + 1]; | |
38 | rb_dlink_list filters; /* Filters for queries */ | |
39 | char reject_reason[IRCD_BUFSIZE]; | |
40 | unsigned int hits; | |
41 | time_t lastwarning; | |
42 | }; | |
43 | ||
44 | /* A lookup in progress for a particular DNSBL for a particular client */ | |
45 | struct BlacklistClient { | |
46 | struct Blacklist *blacklist; | |
47 | struct Client *client_p; | |
48 | uint16_t dns_id; | |
49 | rb_dlink_node node; | |
50 | }; | |
51 | ||
52 | /* A blacklist filter */ | |
53 | struct BlacklistFilter { | |
54 | int type; /* Type of filter */ | |
55 | char filterstr[HOSTIPLEN]; /* The filter itself */ | |
56 | rb_dlink_node node; | |
57 | }; | |
58 | ||
59 | /* public interfaces */ | |
60 | struct Blacklist *new_blacklist(char *host, char *reject_reason, int ipv4, int ipv6, rb_dlink_list *filters); | |
61 | void lookup_blacklists(struct Client *client_p); | |
62 | void abort_blacklist_queries(struct Client *client_p); | |
63 | void unref_blacklist(struct Blacklist *blptr); | |
64 | void destroy_blacklists(void); | |
65 | ||
66 | extern rb_dlink_list blacklist_list; | |
67 | ||
68 | #endif |