/* 
 *  bronx_listener_common.h
 *
 *  Copyright (C) 2007 Groundwork Open Source
 *  Written by Daniel Emmanuel Feinsmith
 * 
 *  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.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor
 *  Boston, MA  02110-1301, USA.
 *
 *  Change Log:
 *      DEF Created on September 17, 2007, 1:00 PM
 */

#include    "bronx_listener_defines.h"

#undef ERROR
#define ERROR           -1
#define OK              0

#ifndef TRUE
#define TRUE                            1
#elif (TRUE!=1)
#define TRUE                            1
#endif
#ifndef FALSE
#define FALSE                           0
#elif (FALSE!=0)
#define FALSE                           0
#endif

#define STATE_UNKNOWN  	3	/* service state return codes */
#define	STATE_CRITICAL 	2
#define STATE_WARNING 	1
#define STATE_OK       	0

#define NSCA_DEFAULT_SOCKET_TIMEOUT	10	/* timeout after 10 seconds */
#define MAX_HOST_ADDRESS_LENGTH         256	/* max size of a host address */
#define MAX_NSCA_PLUGINOUTPUT_LENGTH    512
#define MAX_HOSTNAME_LENGTH             64
#define MAX_DESCRIPTION_LENGTH          128
#define MAX_PASSWORD_LENGTH             512

/********************* ENCRYPTION TYPES ****************/

#define ENCRYPT_NONE            0       /* no encryption */
#define ENCRYPT_XOR             1       /* not really encrypted, just obfuscated */

#define ENCRYPT_DES             2       /* DES */
#define ENCRYPT_3DES            3       /* 3DES or Triple DES */
#define ENCRYPT_CAST128         4       /* CAST-128 */
#define ENCRYPT_CAST256         5       /* CAST-256 */
#define ENCRYPT_XTEA            6       /* xTEA */
#define ENCRYPT_3WAY            7       /* 3-WAY */
#define ENCRYPT_BLOWFISH        8       /* SKIPJACK */
#define ENCRYPT_TWOFISH         9       /* TWOFISH */
#define ENCRYPT_LOKI97          10      /* LOKI97 */
#define ENCRYPT_RC2             11      /* RC2 */
#define ENCRYPT_ARCFOUR         12      /* RC4 */
#define ENCRYPT_RC6             13      /* RC6 */            /* UNUSED */
#define ENCRYPT_RIJNDAEL128     14      /* RIJNDAEL-128 */
#define ENCRYPT_RIJNDAEL192     15      /* RIJNDAEL-192 */
#define ENCRYPT_RIJNDAEL256     16      /* RIJNDAEL-256 */
#define ENCRYPT_MARS            17      /* MARS */           /* UNUSED */
#define ENCRYPT_PANAMA          18      /* PANAMA */         /* UNUSED */
#define ENCRYPT_WAKE            19      /* WAKE */
#define ENCRYPT_SERPENT         20      /* SERPENT */
#define ENCRYPT_IDEA            21      /* IDEA */           /* UNUSED */
#define ENCRYPT_ENIGMA          22      /* ENIGMA (Unix crypt) */
#define ENCRYPT_GOST            23      /* GOST */
#define ENCRYPT_SAFER64         24      /* SAFER-sk64 */
#define ENCRYPT_SAFER128        25      /* SAFER-sk128 */
#define ENCRYPT_SAFERPLUS       26      /* SAFER+ */

/******************** MISC DEFINITIONS *****************/

#define TRANSMITTED_IV_SIZE     128     /* size of IV to transmit - must be as big as largest IV needed for any crypto algorithm */


/*************** PACKET STRUCTURE DEFINITIONS **********/

#define NSCA_PACKET_VERSION_3   3		/* packet version identifier */
#define NSCA_PACKET_VERSION_2	2		/* older packet version identifiers */
#define NSCA_PACKET_VERSION_1	1

/* data packet containing service check results */
typedef struct data_packet_struct{
	int16_t   packet_version;
	u_int32_t crc32_value;
	u_int32_t timestamp;
	int16_t   return_code;
	char      host_name[MAX_HOSTNAME_LENGTH];
	char      svc_description[MAX_DESCRIPTION_LENGTH];
	char      plugin_output[MAX_NSCA_PLUGINOUTPUT_LENGTH];
        }data_packet;

/* initialization packet containing IV and timestamp */
typedef struct init_packet_struct{
	char      iv[TRANSMITTED_IV_SIZE];
	u_int32_t timestamp;
        }init_packet;