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selinux: update #917

Merged
merged 22 commits into from
Sep 20, 2023
Merged

selinux: update #917

merged 22 commits into from
Sep 20, 2023

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tormath1
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@tormath1 tormath1 commented Jun 14, 2023

This PR is a follow-up of flatcar-archive/portage-stable#339 and flatcar-archive/coreos-overlay#1993 - the idea is to "only" upgrade SELinux related software and to pull the new "selinux-container" policy, relabeling investigation could be done in a second time: at least, let's try to get the foundation.

The main change is a transition from virt to container policy (which solves some issues) while I did not want to fix all the SELinux AVC in this PR, I just patched the container policy to get Cilium working out of the box (because now, even in permissive mode, it was failing)

While it closes a certain number of issues, there is still some investigation to do on the others but from a first look it's just a matter of upstreaming some policies (example: SELinuxProject/refpolicy#621)

Closes: flatcar/Flatcar#479, flatcar/Flatcar#891, flatcar/Flatcar#696

Tested in the CI with: flatcar/mantle#344

NOTE: All the kernel_t related patches have to be DROPPED once we support a fully labelled system.

@tormath1 tormath1 self-assigned this Jun 14, 2023
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@tormath1 tormath1 force-pushed the tormath1/selinux-policy-update branch from b3edcfc to f5c72f3 Compare June 20, 2023 08:30
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@tormath1 tormath1 marked this pull request as ready for review June 21, 2023 07:54
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Commit-Ref: gentoo/gentoo@ea4cd1f
Signed-off-by: Mathieu Tortuyaux <[email protected]>
* remove python dependencies
* move selinux policy directory from /etc/selinux/policy to /usr/lib/selinux/policy
* add tmpfiles to recreate /var/lib/selinux on rootfs
* remove setools dependency

Signed-off-by: Mathieu Tortuyaux <[email protected]>
* remove python dependencies
* added back multilib_src_install function (qa_check does fail otherwise)
* setting SHLIBDIR for installation

Signed-off-by: Mathieu Tortuyaux <[email protected]>
* add selinux patches (icmp-bind, relabel and kernel permissions)
* ship our own config file

Signed-off-by: Mathieu Tortuyaux <[email protected]>
it's now replaced by selinux-container

Signed-off-by: Mathieu Tortuyaux <[email protected]>
it comes in replacement of selinux-virt

Commit-Ref: gentoo/gentoo@ea4cd1f
Signed-off-by: Mathieu Tortuyaux <[email protected]>
apply Flatcar patch (including the kernel_t transition that
should be removed once we have a system labelled)

Signed-off-by: Mathieu Tortuyaux <[email protected]>
it's a dependency from ssh module:
```
Failed to resolve typeattributeset statement at /var/lib/selinux/mcs/tmp/modules/400/ssh/cil:127
Failed to resolve AST
```

Signed-off-by: Mathieu Tortuyaux <[email protected]>
Signed-off-by: Mathieu Tortuyaux <[email protected]>
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[RFE] new package: sec-policy/selinux-container
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