include/hostmask.h

   1 /*
   2  *  ircd-ratbox: 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  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  *
  24  *  $Id: hostmask.h 18479 2005-02-15 23:53:30Z leeh $
  25  */
  26
  27 #ifndef INCLUDE_hostmask_h
  28 #define INCLUDE_hostmask_h 1
  29 enum
  30 {
  31         HM_HOST,
  32         HM_IPV4
  33 #ifdef 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                                         struct sockaddr *, int, int, const char *);
  41 void add_conf_by_address(const char *, int, const char *, struct ConfItem *);
  42 void delete_one_address_conf(const char *, struct ConfItem *);
  43 void clear_out_address_conf(void);
  44 void clear_out_address_conf_bans(void);
  45 void init_host_hash(void);
  46 struct ConfItem *find_address_conf(const char *host, const char *sockhost,
  47                                 const char *, struct sockaddr *, int);
  48
  49 struct ConfItem *find_dline(struct sockaddr *, int);
  50
  51 #define find_kline(x)   (find_conf_by_address((x)->host, (x)->sockhost,\
  52                          (struct sockaddr *)&(x)->localClient->ip, CONF_KILL,\
  53                          (x)->localClient->ip.ss_family, (x)->username))
  54 #define find_gline(x)   (find_conf_by_address((x)->host, (x)->sockhost,\
  55                          (struct sockaddr *)&(x)->localClient->ip, CONF_GLINE,\
  56                          (x)->localClient->ip.ss_family, (x)->username))
  57
  58 void report_Klines(struct Client *);
  59 void report_auth(struct Client *);
  60 #ifdef IPV6
  61 int match_ipv6(struct sockaddr *, struct sockaddr *, int);
  62 #endif
  63 int match_ipv4(struct sockaddr *, struct sockaddr *, int);
  64
  65 /* Hashtable stuff... */
  66 #define ATABLE_SIZE 0x1000 /* 2^12 */
  67 #define ATABLE_BITS (32-12)
  68
  69 extern struct AddressRec *atable[ATABLE_SIZE];
  70
  71 struct AddressRec
  72 {
  73         /* masktype: HM_HOST, HM_IPV4, HM_IPV6 -A1kmm */
  74         int masktype;
  75
  76         union
  77         {
  78                 struct
  79                 {
  80                         /* Pointer into ConfItem... -A1kmm */
  81                         struct irc_sockaddr_storage addr;
  82                         int bits;
  83                 }
  84                 ipa;
  85
  86                 /* Pointer into ConfItem... -A1kmm */
  87                 const char *hostname;
  88         }
  89         Mask;
  90
  91         /* type: CONF_CLIENT, CONF_DLINE, CONF_KILL etc... -A1kmm */
  92         int type;
  93
  94         /* Higher precedences overrule lower ones... */
  95         unsigned long precedence;
  96
  97         /* Only checked if !(type & 1)... */
  98         const char *username;
  99         struct ConfItem *aconf;
 100
 101         /* The next record in this hash bucket. */
 102         struct AddressRec *next;
 103 };
 104
 105
 106 #endif /* INCLUDE_hostmask_h */