Contents

# Copyright (c) 2020 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true

module Contrast
  module Utils
    # Simple utility used to make OS calls and determine state. For that state
    # which will not change at runtime, such as the operating system, the
    # Utility memozies to avoid multiple lookups.
    module OS
      class << self
        def windows?
          @_windows = !(/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM).nil? if @_windows.nil?
          @_windows
        end

        def mac?
          @_mac ||= !(/darwin/ =~ RUBY_PLATFORM).nil? if @_mac.nil?
          @_mac
        end

        def unix?
          @unix ||= !windows? if @_unix.nil?
          @unix
        end

        def linux?
          @_linux ||= unix? && !OS.mac? if @_linux.nil?
          @_linux
        end

        def running?
          process = if Contrast::Utils::OS.windows?
                      `tasklist /fi "imagename eq contrast-service.exe"`
                    else
                      `ps aux | grep contrast-servic[e]`
                    end
          process != ''
        end

        # check if service was killed and is a zombie process
        # returns an array of zombie process PIDs as strings; empty array if there are none
        def zombie_pids
          zombie_pid_list = `ps aux | grep contrast-servic[e] | grep Z | awk '{print $2}'` # retrieve pid of service processes
          zombie_pid_list.split("\n")
        end
      end
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
contrast-agent-3.10.2	lib/contrast/utils/os.rb
contrast-agent-3.10.1	lib/contrast/utils/os.rb
contrast-agent-3.10.0	lib/contrast/utils/os.rb
contrast-agent-3.9.1	lib/contrast/utils/os.rb
contrast-agent-3.9.0	lib/contrast/utils/os.rb
contrast-agent-3.8.5	lib/contrast/utils/os.rb
contrast-agent-3.8.4	lib/contrast/utils/os.rb