linux-baseline/libraries/suid_check.rb

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# encoding: utf-8
# author: Christoph Hartmann
class SUIDCheck < Inspec.resource(1)
name 'suid_check'
desc 'Use the suid_check resource to verify the current SUID/SGID against a blacklist'
example "
describe suid_check(blacklist) do
its('diff') { should be_empty }
end
"
def initialize(blacklist = nil)
blacklist = default if blacklist.nil?
@blacklist = blacklist
end
def permissions
output = inspec.command('find / -perm -4000 -o -perm -2000 -type f ! -path \'/proc/*\' ! -path \'/var/lib/lxd/containers/*\' -print 2>/dev/null | grep -v \'^find:\'')
output.stdout.split(/\r?\n/)
end
def diff
permissions & @blacklist
end
end