| 1 |
michael |
4325 |
/* |
| 2 |
|
|
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
| 3 |
|
|
* |
| 4 |
|
|
* Copyright (c) 1997-2014 ircd-hybrid development team |
| 5 |
|
|
* |
| 6 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
|
* it under the terms of the GNU General Public License as published by |
| 8 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
|
|
* (at your option) any later version. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 19 |
|
|
* USA |
| 20 |
|
|
*/ |
| 21 |
|
|
|
| 22 |
|
|
/*! \file ipcache.h |
| 23 |
|
|
* \brief Routines to count connections from particular IP addresses. |
| 24 |
|
|
* \version $Id: ipcache.h 4324 2014-08-01 16:59:35Z michael $ |
| 25 |
|
|
*/ |
| 26 |
|
|
|
| 27 |
|
|
#ifndef INCLUDED_ipcache_h |
| 28 |
|
|
#define INCLUDED_ipcache_h |
| 29 |
|
|
#include "ircd_defs.h" |
| 30 |
|
|
|
| 31 |
|
|
/* usually, with hash tables, you use a prime number... |
| 32 |
|
|
* but in this case I am dealing with ip addresses, |
| 33 |
|
|
* not ascii strings. |
| 34 |
|
|
*/ |
| 35 |
|
|
#define IP_HASH_SIZE 0x1000 |
| 36 |
|
|
|
| 37 |
|
|
struct ip_entry |
| 38 |
|
|
{ |
| 39 |
|
|
dlink_node node; /**< Doubly linked list node. */ |
| 40 |
|
|
struct irc_ssaddr ip; |
| 41 |
|
|
unsigned int count; /**< Number of registered users using this IP */ |
| 42 |
|
|
unsigned int connection_count; /**< Number of connections from this IP in the last throttle_time duration */ |
| 43 |
|
|
time_t last_attempt; /**< The last time someone connected from this IP */ |
| 44 |
|
|
}; |
| 45 |
|
|
|
| 46 |
|
|
extern struct ip_entry *ipcache_find_or_add_address(struct irc_ssaddr *); |
| 47 |
|
|
extern void ipcache_remove_address(struct irc_ssaddr *); |
| 48 |
|
|
extern void ipcache_get_stats(unsigned int *, uint64_t *); |
| 49 |
|
|
extern void ipcache_init(void); |
| 50 |
|
|
#endif |
