mirror of
https://github.com/inspec/inspec
synced 2024-11-23 21:23:29 +00:00
67 lines
1.7 KiB
Ruby
67 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 Lines
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def initialize(raw, desc)
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@raw = raw
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@desc = desc
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end
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def output
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@raw
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end
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def lines
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@raw.split("\n")
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end
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def to_s
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@desc
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end
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end
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class PostgresSession < Inspec.resource(1)
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name 'postgres_session'
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desc 'Use the postgres_session InSpec audit resource to test SQL commands run against a PostgreSQL database.'
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example "
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sql = postgres_session('username', 'password')
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describe sql.query('SELECT * FROM pg_shadow WHERE passwd IS NULL;') do
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its('output') { should eq('') }
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end
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"
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def initialize(user, pass)
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@user = user || 'postgres'
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@pass = pass
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end
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def query(query, db = [], &block)
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dbs = db.map { |x| "-d #{x}" }.join(' ')
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# TODO: simple escape, must be handled by a library
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# that does this securely
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escaped_query = query.gsub(/\\/, '\\\\').gsub(/"/, '\\"').gsub(/\$/, '\\$')
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# run the query
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cmd = inspec.command("PGPASSWORD='#{@pass}' psql -U #{@user} #{dbs} -c \"#{escaped_query}\"")
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out = cmd.stdout + "\n" + cmd.stderr
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if out =~ /could not connect to .*/ or
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out.downcase =~ /^error/
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# skip this test if the server can't run the query
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RSpec.describe(cmd) do
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it 'is skipped', skip: out do
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end
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end
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else
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# remove the whole header (i.e. up to the first ^-----+------+------$)
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# remove the tail
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lines = cmd.stdout
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.sub(/(.*\n)+([-]+[+])*[-]+\n/, '')
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.sub(/\n[^\n]*\n\n$/, '')
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l = Lines.new(lines.strip, "PostgreSQL query: #{query}")
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RSpec.__send__('describe', l, &block)
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end
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end
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end
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