include/hostmask.h

   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 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 *);
  42 void add_conf_by_address(const char *, int, const char *, struct ConfItem *);
  43 void delete_one_address_conf(const char *, struct ConfItem *);
  44 void clear_out_address_conf(void);
  45 void clear_out_address_conf_bans(void);
  46 void init_host_hash(void);
  47 struct ConfItem *find_address_conf(const char *host, const char *sockhost,
  48                                 const char *, struct sockaddr *, int);
  49
  50 struct ConfItem *find_dline(struct sockaddr *, int);
  51
  52 #define find_kline(x)   (find_conf_by_address((x)->host, (x)->sockhost, \
  53                          (x)->orighost, \
  54                          (struct sockaddr *)&(x)->localClient->ip, CONF_KILL,\
  55                          (x)->localClient->ip.ss_family, (x)->username))
  56
  57 void report_Klines(struct Client *);
  58 void report_auth(struct Client *);
  59 #ifdef IPV6
  60 int match_ipv6(struct sockaddr *, struct sockaddr *, int);
  61 #endif
  62 int match_ipv4(struct sockaddr *, struct sockaddr *, int);
  63
  64 /* Hashtable stuff... */
  65 #define ATABLE_SIZE 0x1000 /* 2^12 */
  66 #define ATABLE_BITS (32-12)
  67
  68 extern struct AddressRec *atable[ATABLE_SIZE];
  69
  70 struct AddressRec
  71 {
  72         /* masktype: HM_HOST, HM_IPV4, HM_IPV6 -A1kmm */
  73         int masktype;
  74
  75         union
  76         {
  77                 struct
  78                 {
  79                         /* Pointer into ConfItem... -A1kmm */
  80                         struct irc_sockaddr_storage addr;
  81                         int bits;
  82                 }
  83                 ipa;
  84
  85                 /* Pointer into ConfItem... -A1kmm */
  86                 const char *hostname;
  87         }
  88         Mask;
  89
  90         /* type: CONF_CLIENT, CONF_DLINE, CONF_KILL etc... -A1kmm */
  91         int type;
  92
  93         /* Higher precedences overrule lower ones... */
  94         unsigned long precedence;
  95
  96         /* Only checked if !(type & 1)... */
  97         const char *username;
  98         struct ConfItem *aconf;
  99
 100         /* The next record in this hash bucket. */
 101         struct AddressRec *next;
 102 };
 103
 104
 105 #endif /* INCLUDE_hostmask_h */