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CFINSPEC-84: Add have_matching_certificate matcher.

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Signed-off-by: Sonu Saha <sonu.saha@progress.com>
This commit is contained in:
Sonu Saha 2022-04-26 14:29:55 +05:30
parent 2a28a6379e
commit 24fa858ca5
1 changed files with 27 additions and 15 deletions
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42
lib/inspec/resources/x509_private_key.rb
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@ -1,5 +1,3 @@
require "openssl" unless defined?(OpenSSL)
require "inspec/utils/file_reader"
require "inspec/resources/file"
module Inspec::Resources
@ -15,11 +13,18 @@ module Inspec::Resources
desc "Use the ipnat InSpec audit resource to test the x509 private key"
example <<~EXAMPLE
describe "x509_private_key" do
its("shoe_size") { should cmp 10 }
# With passphrase
describe x509_private_key("/home/openssl_activity/alice_private.pem", "password@123") do
it { should be_valid }
it { should be_encrypted }
it { should have_matching_certificate("/home/openssl_activity/alice_certificate.crt") }
end
describe "x509_private_key" do
it { should be_purple }
# Without passphrase
describe x509_private_key("/home/openssl_activity/bob_private.pem") do
it { should be_valid }
it { should_not be_encrypted }
it { should have_matching_certificate("/home/openssl_activity/bob_certificate.crt") }
end
EXAMPLE
@ -31,7 +36,6 @@ module Inspec::Resources
@passphrase = passphrase
end
# Resource appearance in test reports.
def to_s
"x509_private_key"
@ -40,9 +44,10 @@ module Inspec::Resources
# Matcher to check if the given key is valid.
def valid?
# If passphrase is provided append it to check_key_validity_cmd with passin argument.
cmd = passphrase ? check_key_validity_cmd.concat(" -passin pass:#{passphrase}") : check_key_validity_cmd
exec_cmd = inspec.command(cmd)
exec_cmd.exit_status.to_i == 0
openssl_key_validity_cmd = "#{openssl_utility} rsa -in #{secret_key_path} -check -noout"
openssl_key_validity_cmd.concat(" -passin pass:#{passphrase}") if passphrase
openssl_key_validity = inspec.command(openssl_key_validity_cmd)
openssl_key_validity.exit_status.to_i == 0
end
# Matcher to check if the given key is encrypted.
@ -54,6 +59,18 @@ module Inspec::Resources
key_file.content =~ /Proc-Type: 4,ENCRYPTED/
end
# Matcher to verify if the private key maatches the certificate
def has_matching_certificate?(cert_file_or_path)
cert_hash_cmd = "openssl x509 -noout -modulus -in #{cert_file_or_path} | openssl md5"
cert_hash = inspec.command(cert_hash_cmd)
key_hash_cmd = "openssl rsa -noout -modulus -in #{secret_key_path}"
passphrase ? key_hash_cmd.concat(" -passin pass:#{passphrase} | openssl md5") : key_hash_cmd.concat(" | openssl md5")
key_hash = inspec.command(key_hash_cmd)
cert_hash.stdout == key_hash.stdout && cert_hash.exit_status.to_i == 0 && key_hash.exit_status.to_i == 0
end
private
# This resource requires openssl to be available on the system
@ -64,10 +81,5 @@ module Inspec::Resources
raise Inspec::Exceptions::ResourceFailed, "Could not find `openssl` on your system."
end
# Returns the general command to check for validity of a key
def check_key_validity_cmd
"#{openssl_utility} rsa -in #{secret_key_path} -check -noout"
end
end
end