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https://git.baguette.netlib.re/Baguette/networkctl
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wireless stuff
This commit is contained in:
Philippe PITTOLI
parent
f441648d97
commit
c7290452ad
115
src/main.cr
115
src/main.cr
@ -7,6 +7,7 @@ simulation = false
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file = nil
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prefered_network_configuration_program = nil
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prefered_wireless_configuration_program = nil
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prefered_dhcp_client = nil
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OptionParser.parse! do |parser|
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@ -14,6 +15,10 @@ OptionParser.parse! do |parser|
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simulation = true
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end
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parser.on "-w wireless-configuration-program", "--wireless wireless-configuration-program", "iw" do |prog|
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prefered_wireless_configuration_program = prog
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end
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parser.on "-n network-configuration-program", "--net-conf network-configuration-program", "ifconfig | ip" do |prog|
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prefered_network_configuration_program = prog
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end
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@ -60,8 +65,17 @@ end
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class NetworkCommands
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class_property cmd_network_configuration : IfconfigCommand.class | IPCommand.class = IfconfigCommand
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class_property cmd_wireless_configuration : IWCommand.class | NotSetup.class = NotSetup
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class_property cmd_dhcp_client : UDHCPCCommand.class | NotSetup.class = NotSetup
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class IWCommand
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def self.get_ssid(ifname : String, ssid)
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unless Do.run(cmd, [ name ]).success?
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raise "(#{cmd}) dhcp failed on #{ifname}"
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end
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end
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end
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class UDHCPCCommand
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def self.run(ifname : String)
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# TODO: verify which dhcp client is installed on the system
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@ -164,6 +178,43 @@ class NetworkCommands
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def self.set_alias(name : String, ip : IPAddress)
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@@cmd_network_configuration.set_alias name, ip
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end
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def self.wireless_list_ssid(ifname : String)
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cmd = @@cmd_wireless_configuration
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case cmd
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when NotSetup
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puts "no wireless configuration program: cannot list ssid"
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when IWCommand
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cmd.list_ssid ifname
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end
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end
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def self.wireless_connect_wpa_psk(ifname : String, ssid : String, passwd : String)
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cmd = @@cmd_wireless_configuration
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case cmd
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when NotSetup
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puts "no wireless configuration program: cannot connect to ssid #{ssid}"
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when IWCommand
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cmd.list_ssid ifname
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end
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end
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end
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class WirelessAPSetup
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property ssid : String
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# we currently only support WPA2-PSK wireless security mechanism
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property security : WPA
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class WPA
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property key : String
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def initialize(@key)
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end
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end
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def initialize(@ssid, @security)
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end
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end
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@ -180,12 +231,18 @@ class InterfaceConfiguration
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property name : String
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property up : Bool
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property description : String?
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property wireless : Bool
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property main_ip_v4 : IPAddress | DHCP | NotSetup
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property main_ip_v6 : IPAddress | DHCP | NotSetup
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property aliasses_v4 : Array(IPAddress)
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property aliasses_v6 : Array(IPAddress)
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property wireless_networks : Hash(String, WirelessAPSetup)
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def initialize (@name, @up, @main_ip_v4, @main_ip_v6, aliasses)
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def initialize (@name, @up,
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@description,
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@main_ip_v4, @main_ip_v6, aliasses,
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@wireless, @wireless_networks)
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@aliasses_v4 = Array(IPAddress).new
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@aliasses_v6 = Array(IPAddress).new
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@ -211,16 +268,19 @@ class InterfaceConfiguration
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end
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str << "\t#{@up? "up" : "down"}\n"
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str << "\tinet #{@main_ip_v4}\n"
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description = @description
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str << "\t#description #{description.not_nil!}\n" unless description.nil?
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# ipv4
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str << "\tinet #{@main_ip_v4}\n"
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unless @aliasses_v4.empty?
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@aliasses_v4.each do |a|
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str << "\talias #{a}\n"
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end
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end
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# ipv6
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str << "\tinet6 #{@main_ip_v6}\n"
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unless @aliasses_v6.empty?
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@aliasses_v6.each do |a|
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str << "\talias6 #{a}\n"
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@ -294,20 +354,31 @@ class NetworkConfigurationParser
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content = File.read(file_name)
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content = content.rchop
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ifname = /.([a-zA-Z0-9]+)$/.match(file_name).try &.[1]
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self.parse(ifname.not_nil!, content)
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if ifname.nil?
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raise "The interface name is not known from the filename: '#{file_name}'"
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end
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wireless = false
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wireless = true unless /^wl[0-9]+$/.match(ifname)
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self.parse(ifname.not_nil!, content, wireless)
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end
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def self.parse (ifname : String, data : String) : InterfaceConfiguration
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def self.parse (ifname : String, data : String, wireless = false) : InterfaceConfiguration
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up = false
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description = nil
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main_ip_v4 = NotSetup.new
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main_ip_v6 = NotSetup.new
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aliasses = [] of IPAddress
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wireless_networks = {} of String => WirelessAPSetup
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data.split("\n").each do |line|
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case line
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when /^up/
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up = true
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when /^description/
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description = /^description (.+)/.match(line).try &.[1]
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when /^inet6? alias .*/
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ipstr = /^inet6? alias ([a-f0-9:.\/]+)/.match(line).try &.[1]
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if ipstr.nil?
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@ -333,17 +404,32 @@ class NetworkConfigurationParser
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else
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main_ip_v6 = IPAddress.parse ipstr
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end
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when /^join [^ ]+ wpakey .*/
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# WPA2-PSK, other security mechanisms are not supported, yet
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when /^network [^ ]+ inet .*/
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puts "TODO: network SSID inet IP/prefix"
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when /^network [^ ]+ dhcp/
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puts "TODO: network SSID dhcp"
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when /^#.*$/
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# simple comment
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when /^[ \t]*$/
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# empty line
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else
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raise "Cannot parse: #{line}"
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end
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end
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InterfaceConfiguration.new(ifname, up, main_ip_v4, main_ip_v6, aliasses)
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InterfaceConfiguration.new(ifname, up,
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description,
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main_ip_v4, main_ip_v6,
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aliasses,
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wireless, wireless_networks)
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end
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end
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Do.simulation = simulation
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def which(cmd : String)
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if Process.run("which", [ cmd ]).success?
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puts "#{cmd} installed"
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@ -355,6 +441,8 @@ def which(cmd : String)
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end
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Do.simulation = simulation
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#
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# discover available configuration commands
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#
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@ -371,6 +459,10 @@ possible_dhcp_clients = {
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"udhcpc" => NetworkCommands::UDHCPCCommand
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}
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# iw = linux
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possible_wireless_configuration_cmds = {
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"iw" => NetworkCommands::IWCommand
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}
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key = prefered_network_configuration_program
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key = possible_network_configuration_cmds.keys.find { |key| which(key) } if key.nil?
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@ -382,10 +474,15 @@ key = possible_dhcp_clients.keys.find { |key| which(key) } if key.nil?
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# should not crash if there is no
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NetworkCommands.cmd_dhcp_client = possible_dhcp_clients[key] unless key.nil?
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key = prefered_wireless_configuration_program
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key = possible_wireless_configuration_cmds.keys.find { |key| which(key) } if key.nil?
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# should crash if there is no wireless command installed
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NetworkCommands.cmd_wireless_configuration = possible_wireless_configuration_cmds[key.not_nil!]
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if file.nil?
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raise "Cannot choose files yet"
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else
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# TODO: why having to force "not_nil!" ? Seems like a compiler bug
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NetworkConfigurationParser.parse_file(file.not_nil!).execute
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NetworkConfigurationParser.parse_file(file.not_nil!).execute
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end
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