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1 | /* | |
2 | * charybdis: an advanced Internet Relay Chat Daemon(ircd). | |
3 | * hostmask.h: A header for the hostmask code. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2004 ircd-ratbox development team | |
8 | * Copyright (C) 2005-2006 charybdis development team | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
24 | * | |
25 | */ | |
26 | ||
27 | #ifndef INCLUDE_hostmask_h | |
28 | #define INCLUDE_hostmask_h 1 | |
29 | enum | |
30 | { | |
31 | HM_HOST, | |
32 | HM_IPV4 | |
33 | #ifdef RB_IPV6 | |
34 | , HM_IPV6 | |
35 | #endif | |
36 | }; | |
37 | ||
38 | int parse_netmask(const char *, struct sockaddr *, int *); | |
39 | struct ConfItem *find_conf_by_address(const char *host, const char *sockhost, | |
40 | const char *orighost, struct sockaddr *, | |
41 | int, int, const char *, const char *); | |
42 | struct ConfItem *find_exact_conf_by_address(const char *address, int type, | |
43 | const char *username); | |
44 | void add_conf_by_address(const char *, int, const char *, const char *, struct ConfItem *); | |
45 | void delete_one_address_conf(const char *, struct ConfItem *); | |
46 | void clear_out_address_conf(void); | |
47 | void clear_out_address_conf_bans(void); | |
48 | void init_host_hash(void); | |
49 | struct ConfItem *find_address_conf(const char *host, const char *sockhost, | |
50 | const char *, const char *, struct sockaddr *, | |
51 | int, char *); | |
52 | ||
53 | struct ConfItem *find_dline(struct sockaddr *, int); | |
54 | ||
55 | #define find_kline(x) (find_conf_by_address((x)->host, (x)->sockhost, \ | |
56 | (x)->orighost, \ | |
57 | (struct sockaddr *)&(x)->localClient->ip, CONF_KILL,\ | |
58 | (x)->localClient->ip.ss_family, (x)->username, NULL)) | |
59 | ||
60 | void report_Klines(struct Client *); | |
61 | void report_auth(struct Client *); | |
62 | #ifdef RB_IPV6 | |
63 | int match_ipv6(struct sockaddr *, struct sockaddr *, int); | |
64 | #endif | |
65 | int match_ipv4(struct sockaddr *, struct sockaddr *, int); | |
66 | ||
67 | /* Hashtable stuff... */ | |
68 | #define ATABLE_SIZE 0x1000 /* 2^12 */ | |
69 | #define ATABLE_BITS (32-12) | |
70 | ||
71 | extern struct AddressRec *atable[ATABLE_SIZE]; | |
72 | ||
73 | struct AddressRec | |
74 | { | |
75 | /* masktype: HM_HOST, HM_IPV4, HM_IPV6 -A1kmm */ | |
76 | int masktype; | |
77 | ||
78 | union | |
79 | { | |
80 | struct | |
81 | { | |
82 | /* Pointer into ConfItem... -A1kmm */ | |
83 | struct rb_sockaddr_storage addr; | |
84 | int bits; | |
85 | } | |
86 | ipa; | |
87 | ||
88 | /* Pointer into ConfItem... -A1kmm */ | |
89 | const char *hostname; | |
90 | } | |
91 | Mask; | |
92 | ||
93 | /* type: CONF_CLIENT, CONF_DLINE, CONF_KILL etc... -A1kmm */ | |
94 | int type; | |
95 | ||
96 | /* Higher precedences overrule lower ones... */ | |
97 | unsigned long precedence; | |
98 | ||
99 | /* Only checked if !(type & 1)... */ | |
100 | const char *username; | |
101 | /* Only checked if type == CONF_CLIENT */ | |
102 | const char *auth_user; | |
103 | struct ConfItem *aconf; | |
104 | ||
105 | /* The next record in this hash bucket. */ | |
106 | struct AddressRec *next; | |
107 | }; | |
108 | ||
109 | ||
110 | #endif /* INCLUDE_hostmask_h */ |