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7a1cd660c3
processes('bash').user does not actually make much sense for a resource
that is a list -- different entries can belong to different users.
Analogous for processes('bash').state.
The attributes 'users' and 'states' expose the unique values
corresponding to that property of entries in the process list.
Fixes #295.
73 lines
1.7 KiB
Ruby
73 lines
1.7 KiB
Ruby
# encoding: utf-8
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# copyright: 2015, Vulcano Security GmbH
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# author: Dominik Richter
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# author: Christoph Hartmann
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# license: All rights reserved
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class Processes < Inspec.resource(1)
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name 'processes'
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desc 'Use the processes InSpec audit resource to test properties for programs that are running on the system.'
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example "
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describe processes('mysqld') do
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its('list.length') { should eq 1 }
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its('users') { should eq ['mysql'] }
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its('states') { should include 'S' }
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end
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"
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attr_reader :list,
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:users,
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:states
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def initialize(grep)
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# turn into a regexp if it isn't one yet
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if grep.class == String
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grep = '(/[^/]*)*'+grep if grep[0] != '/'
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grep = Regexp.new('^' + grep + '(\s|$)')
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end
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all_cmds = ps_aux
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@list = all_cmds.find_all do |hm|
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hm[:command] =~ grep
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end
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{ users: :user,
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states: :stat }.each do |var, key|
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instance_variable_set("@#{var}", @list.map { |l| l[key] }.uniq)
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end
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end
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def to_s
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'Processes'
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end
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private
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def ps_aux
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# get all running processes
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cmd = inspec.command('ps aux')
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all = cmd.stdout.split("\n")[1..-1]
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return [] if all.nil?
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lines = all.map do |line|
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# user 32296 0.0 0.0 42592 7972 pts/15 Ss+ Apr06 0:00 zsh
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line.match(/^([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+([^ ]+)\s+(.*)$/)
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end.compact
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lines.map do |m|
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{
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user: m[1],
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pid: m[2],
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cpu: m[3],
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mem: m[4],
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vsz: m[5],
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rss: m[6],
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tty: m[7],
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stat: m[8],
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start: m[9],
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time: m[10],
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command: m[11],
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}
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end
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end
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end
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