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The barbican-hsm-plugin interface provides a mechanism for the Barbican charm to communicate with an HSM plugin. The plugin (from the Barbican perspective) is provided as a PKCS#11 compliant library (.so) and so is local to the Barbican installation. Thus, the hsm-plugin charms are subordinate to the Barbican charm and run on the same unit. This change also provides two actions (generate-mkek and generate-hmac) which are 'one-off' operations to initialise the HSM with the global master keys. Add a note to the README that the generate-mkek and generate-hmac actions may only be done once as the HSM may reject overwriting the key. Add Apache2.0 LICENSE and license headers to files Removed redundant copyright file Change the reference for the internal port to 9311 The barbican project changed the INTERNAL port to the same as the PUBLIC port. Add in seed_file and seed_length to template. These are needed for a change in Barbican to support seeding the RNG in the HSM if required. They are set to /dev/random and 32. Fetch the barbican sources from a PPA (for bug: 1599550) Remove the trusty support for Py3 from install hookchanges/57/350257/1
26 changed files with 990 additions and 158 deletions
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@ -0,0 +1,87 @@
|
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# Barbican Source Charm |
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|
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This repository is for the reactive, layered, |
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[Barbican](https://wiki.openstack.org/wiki/Barbican) _source_ charm. From the |
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[wiki](https://wiki.openstack.org/wiki/Barbican) 'Barbican is a REST API |
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designed for the secure storage, provisioning and management of secrets such as |
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passwords, encryption keys and X.509 Certificates. It is aimed at being useful |
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for all environments, including large ephemeral Clouds.' |
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# Plugins |
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The Barbican charm currently supports the following plugins: |
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- [charm-barbican-softhsm-plugin](https://github.com/openstack/charm-barbican-softhsm-plugin) |
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# Creating the primary MKEK and primary HMAC |
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Barbican (can use|uses) a Master Key Encryption Key (MKEK) scheme to wrap other |
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keys so that in the course of issuing new encryption keys, it doesn't exhaust |
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the storage capacity of an HSM. |
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|
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See [KMIP MKEK Model |
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Plugin](https://specs.openstack.org/openstack/barbican-specs/specs/kilo/barbican-mkek-model.html) |
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for more details. |
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|
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Barbican itself can generate the MKEK and HMAC keys and store them in the |
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associated HSM through the use of two actions 'generate-mkek' and |
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'generate-hmac'. |
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|
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The names of the keys are stored in the configuration for the service as |
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'mkek-label' and 'hmac-label'. These default to 'primarymkek' and |
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'primaryhmac' respectively. |
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|
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Note that these keys are not recoverable _from_ the HSM. If the HSM has |
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already been configured with these keys then these actions would overwrite the |
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existing key. So only use them for the initial implementation or to change the |
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MKEK and HMAC keys in the HSM. |
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|
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## Use of actions |
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|
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For juju 1.x: |
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```bash |
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juju action do generate-mkek |
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``` |
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|
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For juju 2.x: |
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|
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```bash |
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juju run-action generate-mkek |
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``` |
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|
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Note that, depending on the HSM, it may only be possible to do this ONCE as the |
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HSM may reject setting up the keys more than once. |
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|
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# Developer Notes |
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|
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The Barbican charm has to be able to set `[crypto]` and `[xxx_plugin]` sections |
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in the `barbican-api.conf` file. This data comes via the `barbican-hsm-plugin` |
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interface from a charm (probably a subordinate) that provides the interface. |
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|
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On the `barbican-hsm-interface` the data is provided in the `plugin_data()` |
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method of the interface (or if it is adapted) in the `plugin_data` property. |
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|
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The theory of operation for the crypto plugin is that a local library that |
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supports the PKCS#11 interface that Barbican can talk to locally. |
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|
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Note(AJK): it is not clear yet how a clustered Barbican can be created with |
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a single HSM backend. It's likely to be a separate piece of hardward with |
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a local library that talks to it. |
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|
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In order for Barbican to be configured for the example softhsm2 library, the |
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configuration file needs to include the entries: |
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|
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```ini |
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[crypto] |
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enabled_crypto_plugins = p11_crypto |
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|
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[p11_crypto_plugin] |
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library_path = '/usr/lib/libCryptoki2_64.so' |
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login = 'catt' |
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mkek_label = 'primarymkek' |
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mkek_length = 32 |
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hmac_label = 'primaryhmac' slot_id = <slot_id> |
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``` |
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|
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Note that the /var/lib/softhsm/tokens directory HAS to exist as otherwise the |
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softhsm2-util command won't work. |
@ -1,13 +0,0 @@
|
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Copyright 2016 Canonical Ltd. |
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|
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Licensed under the Apache License, Version 2.0 (the "License"); |
||||
you may not use this file except in compliance with the License. |
||||
You may obtain a copy of the License at |
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0 |
||||
|
||||
Unless required by applicable law or agreed to in writing, software |
||||
distributed under the License is distributed on an "AS IS" BASIS, |
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
See the License for the specific language governing permissions and |
||||
limitations under the License. |
@ -0,0 +1,8 @@
|
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generate-mkek: |
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description: | |
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Generate an MKEK in the associated HSM (via the barbican-hsm-plugin |
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interface). |
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generate-hmac: |
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description: | |
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Generate an HMAC in the associated HSM (via the barbican-hsm-plugin |
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interface). |
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#!/usr/bin/env python3 |
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# Copyright 2016 Canonical Ltd |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
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|
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import os |
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import sys |
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|
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# Load modules from $CHARM_DIR/lib |
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sys.path.append('lib') |
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|
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from charms.layer import basic |
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basic.bootstrap_charm_deps() |
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basic.init_config_states() |
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|
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import charms.reactive as reactive |
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|
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import charmhelpers.core.hookenv as hookenv |
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|
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import charm.openstack.barbican as barbican |
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|
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|
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def generate_mkek_action(*args): |
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"""Generate an MKEK in the backend HSM""" |
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# try and get the reactive relation instance for hsm: |
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# We only do this because there's no @action(<name>) yet that we could |
||||
# access from the reactive file. |
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hsm = reactive.RelationBase.from_state('hsm.available') |
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if hsm is None: |
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hookenv.action_fail( |
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"Can't generate an MKEK in associated HSM because HSM is not " |
||||
"available.") |
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return |
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barbican.generate_mkek(hsm) |
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|
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|
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def generate_hmac_action(*args): |
||||
"""Generate an HMAC in the backend HSM""" |
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# try and get the reactive relation instance for hsm: |
||||
# We only do this because there's no @action(<name>) yet that we could |
||||
# access from the reactive file. |
||||
hsm = reactive.RelationBase.from_state('hsm.available') |
||||
if hsm is None: |
||||
hookenv.action_fail( |
||||
"Can't generate an HMAC in associated HSM because HSM is not " |
||||
"available.") |
||||
barbican.generate_hmac(hsm) |
||||
|
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|
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# Actions to function mapping, to allow for illegal python action names that |
||||
# can map to a python function. |
||||
ACTIONS = { |
||||
"generate-mkek": generate_mkek_action, |
||||
"generate-hmac": generate_hmac_action, |
||||
} |
||||
|
||||
|
||||
def main(args): |
||||
action_name = os.path.basename(args[0]) |
||||
try: |
||||
action = ACTIONS[action_name] |
||||
except KeyError: |
||||
return "Action %s undefined" % action_name |
||||
else: |
||||
try: |
||||
action(args) |
||||
except Exception as e: |
||||
hookenv.action_fail(str(e)) |
||||
|
||||
|
||||
if __name__ == "__main__": |
||||
sys.exit(main(sys.argv)) |
@ -1 +1,7 @@
|
||||
includes: ['layer:openstack', 'interface:mysql-shared', 'interface:rabbitmq', 'interface:keystone'] |
||||
includes: |
||||
- layer:openstack |
||||
- interface:mysql-shared |
||||
- interface:rabbitmq |
||||
- interface:keystone |
||||
- interface:barbican-hsm-plugin |
||||
repo: git@github.com:openstack-charmers/charm-barbican.git |
||||
|
@ -0,0 +1,13 @@
|
||||
# Copyright 2016 Canonical Ltd |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
@ -0,0 +1,13 @@
|
||||
# Copyright 2016 Canonical Ltd |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
@ -0,0 +1,13 @@
|
||||
# Copyright 2016 Canonical Ltd |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
@ -0,0 +1,13 @@
|
||||
# Copyright 2016 Canonical Ltd |
||||
# |
||||
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||
# you may not use this file except in compliance with the License. |
||||
# You may obtain a copy of the License at |
||||
# |
||||
# http://www.apache.org/licenses/LICENSE-2.0 |
||||
# |
||||
# Unless required by applicable law or agreed to in writing, software |
||||
# distributed under the License is distributed on an "AS IS" BASIS, |
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
# See the License for the specific language governing permissions and |
||||
# limitations under the License. |
@ -1,8 +0,0 @@
|
||||
[pipeline:main] |
||||
pipeline = unauthenticated-context admin |
||||
|
||||
[app:admin] |
||||
paste.app_factory = barbican.api.app:create_admin_app |
||||
|
||||
[filter:unauthenticated-context] |
||||
paste.filter_factory = barbican.api.middleware.context:UnauthenticatedContextMiddleware.factory |