/*
* Soft: Keepalived is a failover program for the LVS project
* <www.linuxvirtualserver.org>. It monitor & manipulate
* a loadbalanced server pool using multi-layer checks.
*
* Part: check_smtp.c include file.
*
* Author: Alexandre Cassen, <acassen@linux-vs.org>
* Jeremy Rumpf, <jrumpf@heavyload.net>
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Copyright (C) 2001-2017 Alexandre Cassen, <acassen@gmail.com>
*/
#ifndef _CHECK_SMTP_H
#define _CHECK_SMTP_H
/* system includes */
#include <sys/types.h>
/* local includes */
#include "scheduler.h"
#include "check_api.h"
#define SMTP_BUFF_MAX 512U
typedef enum {
SMTP_START,
SMTP_HAVE_BANNER,
SMTP_SENT_HELO,
SMTP_RECV_HELO,
SMTP_SENT_QUIT,
SMTP_RECV_QUIT
} smtp_state_t;
#define SMTP_DEFAULT_HELO "smtpchecker.keepalived.org"
/* Checker argument structure */
typedef struct _smtp_checker {
/* non per host config data goes here */
const char *helo_name;
/* data buffer */
char buff[SMTP_BUFF_MAX];
size_t buff_ctr;
smtp_state_t state;
} smtp_checker_t;
/* macro utility */
#define FMT_SMTP_RS(H) (inet_sockaddrtopair (&(H)->dst))
/* Prototypes defs */
extern void install_smtp_check_keyword(void);
#ifdef THREAD_DUMP
extern void register_check_smtp_addresses(void);
#endif
#endif