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community.general/plugins/modules/system/java_keystore.py
patchback[bot] 0fbb0039b1
java_keystore: improve error handling and returned results (#2183) (#2226) 
* java_keystore - improve error handling and returned results

* set check_rc=False to return results as documented when module fails
* set LANG, LC_ALL and LC_MESSAGES to C to rely keytool output parsing
* fix pylint's `no-else-return` and `unused-variable` hints
* update related unit tests accordingly
* add a changelog fragment

update unit test (remove stdout_lines from returned dict)

fix unit test: failure is now expected when alias does not exist

* Update changelogs/fragments/2183-java_keystore_improve_error_handling.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

* fix integration test: overwrite keystore at the same location

Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 89b7e7191f)

Co-authored-by: quidame <quidame@poivron.org>
2021-04-12 22:13:34 +02:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2016, Guillaume Grossetie <ggrossetie@yuzutech.fr>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
---
module: java_keystore
short_description: Create or delete a Java keystore in JKS format.
description:
- Create or delete a Java keystore in JKS format for a given certificate.
options:
name:
type: str
description:
- Name of the certificate.
required: true
certificate:
type: str
description:
- Certificate that should be used to create the key store.
required: true
private_key:
type: str
description:
- Private key that should be used to create the key store.
required: true
private_key_passphrase:
description:
- Pass phrase for reading the private key, if required.
type: str
required: false
version_added: '0.2.0'
password:
type: str
description:
- Password that should be used to secure the key store.
required: true
dest:
type: path
description:
- Absolute path where the jks should be generated.
required: true
owner:
description:
- Name of the user that should own jks file.
required: false
group:
description:
- Name of the group that should own jks file.
required: false
mode:
description:
- Mode the file should be.
required: false
force:
description:
- Key store will be created even if it already exists.
required: false
type: bool
default: 'no'
requirements: [openssl, keytool]
author: Guillaume Grossetie (@Mogztter)
extends_documentation_fragment:
- files
'''
EXAMPLES = '''
- name: Create a key store for the given certificate (inline)
community.general.java_keystore:
name: example
certificate: |
-----BEGIN CERTIFICATE-----
h19dUZ2co2fI/ibYiwxWk4aeNE6KWvCaTQOMQ8t6Uo2XKhpL/xnjoAgh1uCQN/69
MG+34+RhUWzCfdZH7T8/qDxJw2kEPKluaYh7KnMsba+5jHjmtzix5QIDAQABo4IB
-----END CERTIFICATE-----
private_key: |
-----BEGIN RSA PRIVATE KEY-----
DBVFTEVDVFJJQ0lURSBERSBGUkFOQ0UxFzAVBgNVBAsMDjAwMDIgNTUyMDgxMzE3
GLlDNMw/uHyME7gHFsqJA7O11VY6O5WQ4IDP3m/s5ZV6s+Nn6Lerz17VZ99
-----END RSA PRIVATE KEY-----
password: changeit
dest: /etc/security/keystore.jks
- name: Create a key store for the given certificate (lookup)
community.general.java_keystore:
name: example
certificate: "{{lookup('file', '/path/to/certificate.crt') }}"
private_key: "{{lookup('file', '/path/to/private.key') }}"
password: changeit
dest: /etc/security/keystore.jks
'''
RETURN = '''
msg:
description: Output from stdout of keytool/openssl command after execution of given command or an error.
returned: changed and failure
type: str
sample: "Unable to find the current certificate fingerprint in ..."
rc:
description: keytool/openssl command execution return value
returned: changed and failure
type: int
sample: "0"
cmd:
description: Executed command to get action done
returned: changed and failure
type: str
sample: "/usr/bin/openssl x509 -noout -in /tmp/user/1000/tmp8jd_lh23 -fingerprint -sha256"
'''
import os
import re
import tempfile
from ansible.module_utils.basic import AnsibleModule
def read_certificate_fingerprint(module, openssl_bin, certificate_path):
current_certificate_fingerprint_cmd = [openssl_bin, "x509", "-noout", "-in", certificate_path, "-fingerprint", "-sha256"]
(rc, current_certificate_fingerprint_out, current_certificate_fingerprint_err) = run_commands(module, current_certificate_fingerprint_cmd)
if rc != 0:
return module.fail_json(msg=current_certificate_fingerprint_out,
err=current_certificate_fingerprint_err,
cmd=current_certificate_fingerprint_cmd,
rc=rc)
current_certificate_match = re.search(r"=([\w:]+)", current_certificate_fingerprint_out)
if not current_certificate_match:
return module.fail_json(msg="Unable to find the current certificate fingerprint in %s" % current_certificate_fingerprint_out,
cmd=current_certificate_fingerprint_cmd,
rc=rc)
return current_certificate_match.group(1)
def read_stored_certificate_fingerprint(module, keytool_bin, alias, keystore_path, keystore_password):
stored_certificate_fingerprint_cmd = [keytool_bin, "-list", "-alias", alias, "-keystore", keystore_path, "-storepass:env", "STOREPASS", "-v"]
(rc, stored_certificate_fingerprint_out, stored_certificate_fingerprint_err) = run_commands(
module, stored_certificate_fingerprint_cmd, environ_update=dict(STOREPASS=keystore_password))
if rc != 0:
# First intention was to not fail, and overwrite the keystore instead,
# in case of alias mismatch; but an issue in error handling caused the
# module to fail anyway.
# See: https://github.com/ansible-collections/community.general/issues/1671
# And: https://github.com/ansible-collections/community.general/pull/2183
# if "keytool error: java.lang.Exception: Alias <%s> does not exist" % alias in stored_certificate_fingerprint_out:
# return "alias mismatch"
# if re.match(r'keytool error: java\.io\.IOException: [Kk]eystore( was tampered with, or)? password was incorrect',
# stored_certificate_fingerprint_out):
# return "password mismatch"
return module.fail_json(msg=stored_certificate_fingerprint_out,
err=stored_certificate_fingerprint_err,
cmd=stored_certificate_fingerprint_cmd,
rc=rc)
stored_certificate_match = re.search(r"SHA256: ([\w:]+)", stored_certificate_fingerprint_out)
if not stored_certificate_match:
return module.fail_json(msg="Unable to find the stored certificate fingerprint in %s" % stored_certificate_fingerprint_out,
cmd=stored_certificate_fingerprint_cmd,
rc=rc)
return stored_certificate_match.group(1)
def run_commands(module, cmd, data=None, environ_update=None, check_rc=False):
return module.run_command(cmd, check_rc=check_rc, data=data, environ_update=environ_update)
def create_path():
dummy, tmpfile = tempfile.mkstemp()
os.remove(tmpfile)
return tmpfile
def create_file(content):
tmpfd, tmpfile = tempfile.mkstemp()
with os.fdopen(tmpfd, 'w') as f:
f.write(content)
return tmpfile
def create_tmp_certificate(module):
return create_file(module.params['certificate'])
def create_tmp_private_key(module):
return create_file(module.params['private_key'])
def cert_changed(module, openssl_bin, keytool_bin, keystore_path, keystore_pass, alias):
certificate_path = create_tmp_certificate(module)
try:
current_certificate_fingerprint = read_certificate_fingerprint(module, openssl_bin, certificate_path)
stored_certificate_fingerprint = read_stored_certificate_fingerprint(module, keytool_bin, alias, keystore_path, keystore_pass)
return current_certificate_fingerprint != stored_certificate_fingerprint
finally:
os.remove(certificate_path)
def create_jks(module, name, openssl_bin, keytool_bin, keystore_path, password, keypass):
if module.check_mode:
return module.exit_json(changed=True)
certificate_path = create_tmp_certificate(module)
private_key_path = create_tmp_private_key(module)
keystore_p12_path = create_path()
try:
if os.path.exists(keystore_path):
os.remove(keystore_path)
export_p12_cmd = [openssl_bin, "pkcs12", "-export", "-name", name, "-in", certificate_path,
"-inkey", private_key_path, "-out", keystore_p12_path, "-passout", "stdin"]
# when keypass is provided, add -passin
cmd_stdin = ""
if keypass:
export_p12_cmd.append("-passin")
export_p12_cmd.append("stdin")
cmd_stdin = "%s\n" % keypass
cmd_stdin += "%s\n%s" % (password, password)
(rc, export_p12_out, dummy) = run_commands(module, export_p12_cmd, data=cmd_stdin)
if rc != 0:
return module.fail_json(msg=export_p12_out,
cmd=export_p12_cmd,
rc=rc)
import_keystore_cmd = [keytool_bin, "-importkeystore",
"-destkeystore", keystore_path,
"-srckeystore", keystore_p12_path,
"-srcstoretype", "pkcs12",
"-alias", name,
"-deststorepass:env", "STOREPASS",
"-srcstorepass:env", "STOREPASS",
"-noprompt"]
(rc, import_keystore_out, dummy) = run_commands(module, import_keystore_cmd, data=None,
environ_update=dict(STOREPASS=password))
if rc != 0:
return module.fail_json(msg=import_keystore_out,
cmd=import_keystore_cmd,
rc=rc)
update_jks_perm(module, keystore_path)
return module.exit_json(changed=True,
msg=import_keystore_out,
cmd=import_keystore_cmd,
rc=rc)
finally:
os.remove(certificate_path)
os.remove(private_key_path)
os.remove(keystore_p12_path)
def update_jks_perm(module, keystore_path):
try:
file_args = module.load_file_common_arguments(module.params, path=keystore_path)
except TypeError:
# The path argument is only supported in Ansible-base 2.10+. Fall back to
# pre-2.10 behavior for older Ansible versions.
module.params['path'] = keystore_path
file_args = module.load_file_common_arguments(module.params)
module.set_fs_attributes_if_different(file_args, False)
def process_jks(module):
name = module.params['name']
password = module.params['password']
keypass = module.params['private_key_passphrase']
keystore_path = module.params['dest']
force = module.params['force']
openssl_bin = module.get_bin_path('openssl', True)
keytool_bin = module.get_bin_path('keytool', True)
if os.path.exists(keystore_path):
if force:
create_jks(module, name, openssl_bin, keytool_bin, keystore_path, password, keypass)
else:
if cert_changed(module, openssl_bin, keytool_bin, keystore_path, password, name):
create_jks(module, name, openssl_bin, keytool_bin, keystore_path, password, keypass)
else:
if not module.check_mode:
update_jks_perm(module, keystore_path)
module.exit_json(changed=False)
else:
create_jks(module, name, openssl_bin, keytool_bin, keystore_path, password, keypass)
class ArgumentSpec(object):
def __init__(self):
self.supports_check_mode = True
self.add_file_common_args = True
argument_spec = dict(
name=dict(required=True),
certificate=dict(required=True, no_log=True),
private_key=dict(required=True, no_log=True),
password=dict(required=True, no_log=True),
dest=dict(required=True, type='path'),
force=dict(required=False, default=False, type='bool'),
private_key_passphrase=dict(required=False, no_log=True, type='str')
)
self.argument_spec = argument_spec
def main():
spec = ArgumentSpec()
module = AnsibleModule(
argument_spec=spec.argument_spec,
add_file_common_args=spec.add_file_common_args,
supports_check_mode=spec.supports_check_mode
)
module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
process_jks(module)
if __name__ == '__main__':
main()
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