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/* $Id: ratelimit.h,v 1.3 2013/01/19 16:01:15 manu Exp $ */
/*
* Copyright (c) 2010 Emmanuel Dreyfus
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Emmanuel Dreyfus
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RATELIMIT_H_
#define _RATELIMIT_H_
#include "config.h"
#if defined(HAVE_OLD_QUEUE_H) || !defined(HAVE_SYS_QUEUE_H)
#include "queue.h"
#else
#include <sys/queue.h>
#endif
#include <stdio.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "milter-greylist.h"
enum ratelimit_type { RL_SESS, RL_RCPT, RL_DATA };
#ifndef RATELIMIT_SAMPLES
#define RATELIMIT_SAMPLES 10
#endif
struct ratelimit_conf {
char rc_name[QSTRLEN + 1];
enum ratelimit_type rc_type;
size_t rc_limit;
time_t rc_time;
char rc_key[QSTRLEN + 1];
LIST_ENTRY(ratelimit_conf) rc_list;
};
struct ratelimitacct_bucket {
TAILQ_HEAD(, ratelimit_acct) b_ratelimitacct_head;
};
void ratelimit_init(void);
void ratelimit_conf_add(char *, enum ratelimit_type, size_t, time_t, char *);
void ratelimit_clear(void);
struct ratelimit_conf *ratelimit_byname(char *);
int ratelimit_validate(acl_data_t *, acl_stage_t,
struct acl_param *, struct mlfi_priv *);
#endif /* _RATELIMIT_H_ */
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