yast/yast-network

# Copyright (c) [2019] SUSE LLC
#
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, contact SUSE LLC.
#
# To contact SUSE LLC about this file by physical or electronic mail, you may
# find current contact information at www.suse.com.

require "y2network/wicked/connection_config_readers/base"

module Y2Network
  module Wicked
    module ConnectionConfigReaders
      # This class is able to build a ConnectionConfig::Wireless object given a
      # Wicked::InterfaceFile object.
      class Wireless < Base
        # @see Y2Network::Wicked::ConnectionConfigReaders::Base#update_connection_config
        def update_connection_config(conn)
          conn.ap = file.wireless_ap
          conn.ap_scanmode = file.wireless_ap_scanmode
          conn.auth_mode = transform_auth_mode(file.wireless_auth_mode)
          conn.default_key = file.wireless_default_key
          conn.eap_auth = file.wireless_eap_auth if file.wireless_eap_auth
          conn.eap_mode = file.wireless_eap_mode
          conn.essid = file.wireless_essid
          conn.key_length = file.wireless_key_length
          conn.keys = wireless_keys
          conn.mode = file.wireless_mode
          conn.nwid = file.wireless_nwid
          conn.ca_cert = file.wireless_ca_cert
          conn.client_cert = file.wireless_client_cert
          conn.client_key = file.wireless_client_key
          conn.client_key_password = file.wireless_client_key_password
          conn.wpa_password = file.wireless_wpa_password
          conn.wpa_psk = file.wireless_wpa_psk
          conn.wpa_identity = file.wireless_wpa_identity
          conn.wpa_anonymous_identity = file.wireless_wpa_anonid
          conn.channel = file.wireless_channel
          conn.bitrate = file.wireless_rate
        end

      private

        # Max number of wireless keys
        MAX_WIRELESS_KEYS = 4

        # Reads the array of wireless keys from the file
        def wireless_keys
          (0..MAX_WIRELESS_KEYS - 1).map { |i| file.wireless_keys["_#{i}"] }
        end

        BACKWARD_MAPPING = {
          "wpa-eap":       :eap,
          "wpa-psk":       :psk,
          shared:          :sharedkey,
          "no-encryption": :none
        }.freeze
        # Transform old backwards compatible values to unified ones.
        #
        # @see https://github.com/openSUSE/wicked/blob/master/client/suse/compat-suse.c#L3708
        #   for all aliases
        def transform_auth_mode(mode)
          BACKWARD_MAPPING[mode] || mode
        end
      end
    end
  end
end