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/****************************************************************************
*
* common.h - NRPE Common header file
*
* License: GPLv2
* Copyright (c) 2006-2017 Nagios Enterprises
* 1999-2006 Ethan Galstad (nagios@nagios.org)
*
* License Notice:
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
****************************************************************************/
#include "config.h"
#define SSL_TYPE_@SSL_TYPE@
#ifdef HAVE_SSL
#ifdef OPENSSL_V3
# define OPENSSL_API_COMPAT 10002
# define OPENSSL_NO_DEPRECATED
#endif
#include <@SSL_INC_PREFIX@@SSL_HDR@>
# ifdef SSL_TYPE_openssl
# include <@SSL_INC_PREFIX@err.h>
# include <@SSL_INC_PREFIX@rand.h>
# include <@SSL_INC_PREFIX@engine.h>
# endif
#endif
#define PROGRAM_VERSION "4.1.0"
#define MODIFICATION_DATE "2022-07-18"
#define OK 0
#define ERROR -1
#define TRUE 1
#define FALSE 0
#define STATE_UNKNOWN 3 /* service state return codes */
#define STATE_CRITICAL 2
#define STATE_WARNING 1
#define STATE_OK 0
#define DEFAULT_SOCKET_TIMEOUT 10 /* timeout after 10 seconds */
#define DEFAULT_CONNECTION_TIMEOUT 300 /* timeout if daemon is waiting for connection more than this time */
#define MAX_INPUT_BUFFER 2048 /* max size of most buffers we use */
#define MAX_FILENAME_LENGTH 256
#define MAX_HOST_ADDRESS_LENGTH 256 /* max size of a host address */
#define MAX_COMMAND_ARGUMENTS 16
#define NRPE_HELLO_COMMAND "_NRPE_CHECK"
/**************** PACKET STRUCTURE DEFINITION **********/
#define QUERY_PACKET 1 /* id code for a packet containing a query */
#define RESPONSE_PACKET 2 /* id code for a packet containing a response */
/* v4 takes struct padding into account, so the buffer "takes" 4 bytes
* v3 removes the 1 byte that "should" be allocated to buffer.
*/
#define NRPE_V4_PACKET_SIZE_OFFSET 4
#define NRPE_V3_PACKET_SIZE_OFFSET 1
/* packet version identifiers */
#define NRPE_PACKET_VERSION_4 4 /* Same as version 3, but accounts for struct padding in network code */
#define NRPE_PACKET_VERSION_3 3 /* Allows for variable-length buffer */
#define NRPE_PACKET_VERSION_2 2
#define NRPE_PACKET_VERSION_1 1 /* older packet version identifiers (no longer supported) */
#define MAX_PACKETBUFFER_LENGTH 1024 /* amount of data to send in one query/response vor version 2 */
#define NRPE_DEFAULT_PACKET_VERSION NRPE_PACKET_VERSION_4
typedef struct _v2_packet {
int16_t packet_version;
int16_t packet_type;
u_int32_t crc32_value;
int16_t result_code;
char buffer[MAX_PACKETBUFFER_LENGTH];
} v2_packet;
typedef struct _v3_packet {
int16_t packet_version;
int16_t packet_type;
u_int32_t crc32_value;
int16_t result_code;
int16_t alignment;
int32_t buffer_length;
char buffer[1];
} v3_packet;
typedef v3_packet v4_packet;
/**************** OPERATING SYSTEM SPECIFIC DEFINITIONS **********/
#if defined(__sun) || defined(__hpux)
# ifndef LOG_AUTHPRIV
# define LOG_AUTHPRIV LOG_AUTH
# endif
# ifndef LOG_FTP
# define LOG_FTP LOG_DAEMON
# endif
#elif defined(_AIX)
# include <sys/select.h>
# ifndef LOG_FTP
# define LOG_FTP LOG_DAEMON
# endif
#endif
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