print_config_title 'CHECK NRPE BASIC CONFIG'

# Check /etc/nagios/nrpe.cfg config file, checked parameters : allowed_hosts/nrpe_user/nrpe_group
# This does not check if NRPE 'monitoring server' has configured this machine

conf_file_to_test="/etc/nagios/nrpe.cfg"

# Check if conf file exist
if [[ ! -f "${conf_file_to_test}" ]]
then
	echo -e "${RED}ERROR : file ${conf_file_to_test} NOT FOUND.${NC}\n"
	NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error, file ${conf_file_to_test} not found;" 
else

	# allowed_hosts
	check_value_in_conf_file "NRPE" "${conf_file_to_test}" "allowed_hosts" "127.0.0.1,[[:space:]]*::1,[[:space:]]*${IPV4_ADMIN_NETWORK}0/24,[[:space:]]*${IPV6_ADMIN_NETWORK}:/64"

	case ${?} in
	0) # OK, nothing to do
		;;
	1) # Error (wrong number of param or other)
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error during allowed_hosts check with function check_value_in_conf_file, maybe incorrect number of parameter or file not found;" 
		;;
	2) # Unexpected value is set
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" allowed_hosts are not well configured or has other value, set 'allowed_hosts=127.0.0.1, ${IPV4_ADMIN_NETWORK}0/24, ${IPV6_ADMIN_NETWORK}:/64';"
		;;
	3) # All expected values are NOT configured
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" allowed_hosts are not well configured, set 'allowed_hosts=127.0.0.1, ${IPV4_ADMIN_NETWORK}0/24, ${IPV6_ADMIN_NETWORK}:/64';"
		;;
	*) # Unknown return code...
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error, unknown return code when calling check_value_in_conf_file to check allowed_hosts;" 
		;;
	esac


	# nrpe_user
	check_value_in_conf_file "NRPE" "${conf_file_to_test}" "nrpe_user" "nagios"

	case ${?} in
	0) # OK, nothing to do
		;;
	1) # Error (wrong number of param or other)
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error during nrpe_user check with function check_value_in_conf_file, maybe incorrect number of parameter or file not found;" 
		;;
	2) # Unexpected value is set
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" nrpe_user is not well configured or has other value, set 'nrpe_user=nagios';"
		;;
	3) # All expected values are NOT configured
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" nrpe_user is not well configured, set 'nrpe_user=nagios';"
		;;
	*) # Unknown return code...
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error, unknown return code when calling check_value_in_conf_file to check nrpe_user;" 
		;;
	esac


	# nrpe_group
	check_value_in_conf_file "NRPE" "${conf_file_to_test}" "nrpe_group" "nagios"

	case ${?} in
	0) # OK, nothing to do
		;;
	1) # Error (wrong number of param or other)
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error during nrpe_group check with function check_value_in_conf_file, maybe incorrect number of parameter or file not found;" 
		;;
	2) # Unexpected value is set
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" nrpe_group is not well configured or has other value, set 'nrpe_group=nagios';"
		;;
	3) # All expected values are NOT configured
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" nrpe_group is not well configured, set 'nrpe_group=nagios';"
		;;
	*) # Unknown return code...
		NRPE_CONFIG_CHECK_FAILED=${NRPE_CONFIG_CHECK_FAILED}" Error, unknown return code when calling check_value_in_conf_file to check nrpe_group;" 
		;;
	esac
fi