\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/chef-16.3.45/lib/chef/win32/file/

Viewing File: version_info.rb

#
# Author:: Matt Wrock (<matt@mattwrock.com>)
# Copyright:: Copyright (c) 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.
#

require_relative "../file"

class Chef
  module ReservedNames::Win32
    class File

      class VersionInfo

        include Chef::ReservedNames::Win32::API::File

        def initialize(file_name)
          raise Errno::ENOENT, file_name unless ::File.exist?(file_name)

          @file_version_info = retrieve_file_version_info(file_name)
        end

        # defining method for each predefined version resource string
        # see https://msdn.microsoft.com/en-us/library/windows/desktop/ms647464(v=vs.85).aspx
        %i{
          Comments
          CompanyName
          FileDescription
          FileVersion
          InternalName
          LegalCopyright
          LegalTrademarks
          OriginalFilename
          ProductName
          ProductVersion
          PrivateBuild
          SpecialBuild
        }.each do |method|
          define_method method do
            begin
              get_version_info_string(method.to_s)
            rescue Chef::Exceptions::Win32APIError
              return nil
            end
          end
        end

        private

        def translation
          @translation ||= begin
            info_ptr = FFI::MemoryPointer.new(:pointer)
            unless VerQueryValueW(@file_version_info, "\\VarFileInfo\\Translation".to_wstring, info_ptr, FFI::MemoryPointer.new(:int))
              Chef::ReservedNames::Win32::Error.raise!
            end

            # there can potentially be multiple translations but most installers just have one
            # we use the first because we use this for the version strings which are language
            # agnostic. If/when we need other fields, we should we should add logic to find
            # the "best" translation
            trans = Translation.new(info_ptr.read_pointer)
            to_hex(trans[:w_lang]) + to_hex(trans[:w_code_page])
          end
        end

        def to_hex(integer)
          integer.to_s(16).rjust(4, "0")
        end

        def get_version_info_string(string_key)
          info_ptr = FFI::MemoryPointer.new(:pointer)
          size_ptr = FFI::MemoryPointer.new(:int)
          unless VerQueryValueW(@file_version_info, "\\StringFileInfo\\#{translation}\\#{string_key}".to_wstring, info_ptr, size_ptr)
            Chef::ReservedNames::Win32::Error.raise!
          end

          info_ptr.read_pointer.read_wstring(size_ptr.read_uint)
        end
      end
    end
  end
end