/usr/lib/ruby/vendor_ruby/ohai/util/ip_helper.rb is in ohai 8.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Stafford Brunk (<stafford.brunk@gmail.com>)
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require 'ipaddress'
module Ohai
module Util
module IpHelper
# Corresponding to RFC 4193
IPV6_PRIVATE_ADDRESS_BLOCK = IPAddress('fc00::/7')
def private_address?(addr)
ip = IPAddress(addr)
if ip.respond_to? :private?
ip.private?
else
IPV6_PRIVATE_ADDRESS_BLOCK.include?(ip)
end
end
alias :unique_local_address? :private_address?
def public_address?(addr)
!private_address?(addr)
end
# The ipaddress gem doesn't implement loopback?
# for IPv4 addresses
# https://github.com/bluemonk/ipaddress/issues/25
def loopback?(addr)
ip = IPAddress(addr)
if ip.respond_to? :loopback?
ip.loopback?
else
IPAddress('127.0.0.0/8').include? ip
end
end
end
end
end
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