/usr/lib/ruby/vendor_ruby/ohai/plugins/aix/network.rb is in ohai 8.21.0-1.
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:: Kaustubh Deorukhkar (<kaustubh@clogeny.com>)
# Author:: Prabhu Das (<prabhu.das@clogeny.com>)
# Author:: Isa Farnik (<isa@chef.io>)
# Copyright:: Copyright (c) 2013-2016 Chef Software, Inc.
# 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.
#
Ohai.plugin(:Network) do
require "ipaddr"
provides "network", "counters/network", "macaddress"
# Helpers
def hex_to_dec_netmask(netmask)
# example '0xffff0000' -> '255.255.0.0'
dec = netmask[2..3].to_i(16).to_s(10)
[4, 6, 8].each { |n| dec = dec + "." + netmask[n..n + 1].to_i(16).to_s(10) }
dec
end
collect_data(:aix) do
# Loads following information.
# :default_interface, :default_gateway - route -n get 0
# :interfaces
# => routes(netstat -nr | grep en0)
# => addresses (ifconfig en0 or lsattr -El en0), macaddress (entstat -d en0 = Hardware Address: be:42:80:00:b0:05)
# => flags (ifconfig en0)
# => state up/down (ifconfig/lsattr)
# => arp (arp -an)
iface = Mash.new
network Mash.new unless network
network[:interfaces] = Mash.new unless network[:interfaces]
# We unfortunately have to do things a bit different here, if ohai is running
# within a WPAR. For instance, the WPAR isn't aware of some of its own networking
# minutia such as default gateway/route.
unless shell_out("uname -W").stdout.to_i > 0
# :default_interface, :default_gateway - route -n get 0
so = shell_out("netstat -rn |grep default")
so.stdout.lines.each do |line|
items = line.split(" ")
if items[0] == "default"
network[:default_gateway] = items[1]
network[:default_interface] = items[5]
end
end
end
# Splits the ifconfig output to 1 line per interface
if_so = shell_out("ifconfig -a")
if_so.stdout.gsub(/\n(\w+\d+)/, '___\1').split("___").each do |intraface|
splat = intraface.split(":")
interface = splat[0]
line = splat[1..-1][0]
iface[interface] = Mash.new
iface[interface][:state] = (line.include?("<UP,") ? "up" : "down")
intraface.lines.each do |lin|
case lin
when /flags=\S+<(\S+)>/
iface[interface][:flags] = $1.split(",")
iface[interface][:metric] = $1 if lin =~ /metric\s(\S+)/
else
# We have key value pairs.
if lin =~ /inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(\/(\d{1,2}))?/
tmp_addr, tmp_prefix = $1, $3
if tmp_prefix.nil?
netmask = hex_to_dec_netmask($1) if lin =~ /netmask\s(\S+)\s/
unless netmask
tmp_prefix ||= "32"
netmask = IPAddr.new("255.255.255.255").mask(tmp_prefix.to_i).to_s
end
else
netmask = IPAddr.new("255.255.255.255").mask(tmp_prefix.to_i).to_s
end
iface[interface][:addresses] = Mash.new unless iface[interface][:addresses]
iface[interface][:addresses][tmp_addr] = { "family" => "inet", "prefixlen" => tmp_prefix }
iface[interface][:addresses][tmp_addr][:netmask] = netmask
if lin =~ /broadcast\s(\S+)\s/
iface[interface][:addresses][tmp_addr][:broadcast] = $1
end
elsif lin =~ /inet6 ([a-f0-9\:]+)%?([\d]*)\/?(\d*)?/
# TODO do we have more properties on inet6 in aix? broadcast
iface[interface][:addresses] = Mash.new unless iface[interface][:addresses]
iface[interface][:addresses][$1] = { "family" => "inet6", "zone_index" => $2, "prefixlen" => $3 }
else
# load all key-values, example "tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1"
properties = lin.split
n = properties.length / 2 - 1
(0..n).each do |i|
iface[interface][properties[i * 2]] = properties[(i * 2 + 1)]
end
end
end
end
# Query macaddress
e_so = shell_out("entstat -d #{interface} | grep \"Hardware Address\"")
iface[interface][:addresses] = Mash.new unless iface[interface][:addresses]
e_so.stdout.lines.each do |line|
if line =~ /Hardware Address: (\S+)/
iface[interface][:addresses][$1.upcase] = { "family" => "lladdr" }
macaddress $1.upcase unless shell_out("uname -W").stdout.to_i > 0
end
end
end #ifconfig stdout
# Query routes information
%w{inet inet6}.each do |family|
so_n = shell_out("netstat -nrf #{family}")
so_n.stdout.lines.each do |line|
if line =~ /(\S+)\s+(\S+)\s+(\S+)\s+(\d+)\s+(\d+)\s+(\S+)/
interface = $6
iface[interface][:routes] = Array.new unless iface[interface][:routes]
iface[interface][:routes] << Mash.new( :destination => $1, :family => family,
:via => $2, :flags => $3)
end
end
end
# List the arp entries in system.
so = shell_out("arp -an")
count = 0
so.stdout.lines.each do |line|
network[:arp] = Mash.new unless network[:arp]
if line =~ /\s*(\S+) \((\S+)\) at ([a-fA-F0-9\:]+) \[(\w+)\] stored in bucket/
network[:arp][count] = Mash.new unless network[:arp][count]
network[:arp][count][:remote_host] = $1
network[:arp][count][:remote_ip] = $2
network[:arp][count][:remote_mac] = $3.downcase
count += 1
end
end
network["interfaces"] = iface
end
end
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