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Contents
#
# 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.
module Ohai
module Util
module IpHelper
require "ipaddress" unless defined?(IPAddress)
# Corresponding to RFC 4192 + RFC 4193
IPV6_LINK_LOCAL_UNICAST_BLOCK = IPAddress("fe80::/10")
IPV6_PRIVATE_ADDRESS_BLOCK = IPAddress("fc00::/7")
def private_address?(addr)
ip = IPAddress(addr)
if ip.respond_to? :private?
ip.private?
else
IPV6_LINK_LOCAL_UNICAST_BLOCK.include?(ip) || 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
Version data entries
6 entries across 6 versions & 1 rubygems