When daemon fails to load an authz plugin, it should be removed from
the plugin list. Else the plugin is retried on every request and
response, resulting in undesired behavior (eg. daemon panic)
Signed-off-by: Anusha Ragunathan <anusha@docker.com>
Based on the discussion, we have changed the following:
1. Send body only if content-type is application/json (based on the
Docker official daemon REST specification, this is the provided for all
APIs that requires authorization.
2. Correctly verify that the msg body is smaller than max cap (this was
the actual bug). Fix includes UT.
3. Minor: Check content length > 0 (it was -1 for load, altough an
attacker can still modify this)
Signed-off-by: Liron Levin <liron@twistlock.com>
To support the requirement of blocking the request after the daemon
responded the authorization plugin use a `response recorder` that replay
the response after the flow ends.
This commit adds support for commands that hijack the connection and
flushes data via the http.Flusher interface. This resolves the error
with the event endpoint.
Signed-off-by: Liron Levin <liron@twistlock.com>
- fix naming and formatting
- provide more context when erroring auth
- do not capitalize errors
- fix wrong documentation
- remove ugly remoteError{}
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
Each plug-in operates as a separate service, and registers with Docker
through general (plug-ins API)
[https://blog.docker.com/2015/06/extending-docker-with-plugins/]. No
Docker daemon recompilation is required in order to add / remove an
authentication plug-in. Each plug-in is notified twice for each
operation: 1) before the operation is performed and, 2) before the
response is returned to the client. The plug-ins can modify the response
that is returned to the client.
The authorization depends on the authorization effort that takes place
in parallel [https://github.com/docker/docker/issues/13697].
This is the official issue of the authorization effort:
https://github.com/docker/docker/issues/14674
(Here)[https://github.com/rhatdan/docker-rbac] you can find an open
document that discusses a default RBAC plug-in for Docker.
Signed-off-by: Liron Levin <liron@twistlock.com>
Added container create flow test and extended the verification for ps
