Method: Inspec::Resources::AixPorts#parse_net_address

Defined in:
lib/resources/port.rb

#parse_net_address(net_addr, protocol) ⇒ Object 



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# File 'lib/resources/port.rb', line 331

def parse_net_address(net_addr, protocol)
  # local/foreign addresses on AIX use a '.' to separate the addresss
  # from the port
  address, _sep, port = net_addr.rpartition('.')
  if protocol.eql?('tcp6') || protocol.eql?('udp6')
    ip6addr = address
    # AIX uses the wildcard character for ipv6 addresses listening on
    # all interfaces.
    ip6addr = '::' if ip6addr =~ /^\*$/

    # v6 addresses need to end in a double-colon when using
    # shorthand notation. netstat ends with a single colon.
    # IPAddr will fail to properly parse an address unless it
    # uses a double-colon for short-hand notation.
    ip6addr += ':' if ip6addr =~ /\w:$/

    begin
      ip_parser = IPAddr.new(ip6addr)
    rescue IPAddr::InvalidAddressError
      # This IP is not parsable. There appears to be a bug in netstat
      # output that truncates link-local IP addresses:
      # example: udp6 0 0 fe80::42:acff:fe11::123 :::* 0 54550 3335/ntpd
      # actual link address: inet6 fe80::42:acff:fe11:5/64 scope link
      #
      # in this example, the "5" is truncated making the netstat output
      # an invalid IP address.
      return [nil, nil]
    end

    # Check to see if this is a IPv4 address in a tcp6/udp6 line.
    # If so, don't put brackets around the IP or URI won't know how
    # to properly handle it.
    # example: f000000000000000 tcp6       0      0 127.0.0.1.8005          *.*                    LISTEN
    if ip_parser.ipv4?
      ip_addr = URI("addr://#{ip6addr}:#{port}")
      host = ip_addr.host
    else
      ip_addr = URI("addr://[#{ip6addr}]:#{port}")
      host = ip_addr.host[1..ip_addr.host.size-2]
    end
  else
    ip4addr = address
    # In AIX the wildcard character is used to match all interfaces
    ip4addr = '0.0.0.0' if ip4addr =~ /^\*$/
    ip_addr = URI("addr://#{ip4addr}:#{port}")
    host = ip_addr.host
  end

  [host, port.to_i]
end