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Contents
# typed: false
# Copyright (c) 2015 Sqreen. All Rights Reserved.
# Please refer to our terms for more information: https://www.sqreen.com/terms.html
require 'ipaddr'
# TODO: move to Sqreen::IP
module Sqreen
Prefix = Struct.new(:family, :bitlen, :address, :data) do # addr is integer
def initialize(*args)
super
raise ArgumentError, 'no family given' unless family
raise ArgumentError, 'no bitlen given' unless bitlen
raise ArgumentError, 'no address given' unless address
end
def matches?(address, family)
raise 'family mismatch' unless family == self.family
shift_amount = (family == Socket::AF_INET ? 32 : 128) - bitlen
(address ^ self.address) >> shift_amount == 0
end
end
def Prefix.from_str(str, data = nil)
ip_addr = IPAddr.new(str)
bitlen = if str =~ /\/(\d+)$/
$~[1].to_i
else
ip_addr.family == Socket::AF_INET6 ? 128 : 32
end
Prefix.new(ip_addr.family, bitlen, ip_addr.to_i, data)
end
end
Version data entries
29 entries across 29 versions & 1 rubygems