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Bug 1732704

Summary:	udica should be able to update the generated policy based on AVC denial messages
Product:	Red Hat Enterprise Linux 8	Reporter:	Petr Lautrbach <plautrba>
Component:	udica	Assignee:	Lukas Vrabec <lvrabec>
Status:	CLOSED ERRATA	QA Contact:	Milos Malik <mmalik>
Severity:	medium	Docs Contact:	Jan Fiala <jafiala>
Priority:	high
Version:	8.1	CC:	lvrabec, zpytela
Target Milestone:	rc	Keywords:	RFE
Target Release:	8.2	Flags:	pm-rhel: mirror+
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Enhancement
Doc Text:	.`udica` can add new allow rules generated from SELinux denials to existing container policy When a container that is running under a policy generated by the `udica` utility triggers an SELinux denial, `udica` is now able to update the policy. The new parameter `-a` or `--append-rules` can be used to append rules from an AVC file.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-28 15:47:16 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1757693
Bug Blocks:	1755139

Description Petr Lautrbach 2019-07-24 07:44:13 UTC

This bug was initially created as a copy of Bug #1680601

If a container is running under a policy generated by udica and the container triggers some SELinux denials then these denials cannot be transformed into a local policy module via audit2allow but udica itself could be able to update the policy and users would use udica instead of audit2allow.

e.g.
1. podman run --security-opt label=type:my_container.process -v /home:/home:ro -v /var/spool:/var/spool:rw -p 21:21 -it fedora bash
2. run in the container as root: nc -lvp 22
3. run on the host as root: udica --modify --avc audit.log my_container

this would update my_container.cil with rules needed for container to bind to port 22 and user would just install the module again.

Comment 1 Lukas Vrabec 2019-07-24 16:04:23 UTC

Upstream ticket created: 
https://github.com/containers/udica/issues/38

Comment 19 errata-xmlrpc 2020-04-28 15:47:16 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:1650