Re: [PATCH RFC] selinux: support wildcard network interface names

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On Dec 17, 2024 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgoettsche@xxxxxxxxxxxxx> wrote:
> 
> Add support for wildcard matching of network interface names.  This is
> useful for auto-generated interfaces, for example podman creates network
> interfaces for containers with the naming scheme podman0, podman1,
> podman2, ...
> 
> Since the wildcard characters '?' and '*' should be very uncommon in
> network interface names, and thus if netifcon definitions, avoid
> introducing a new policy version or capability.
> 
> Netifcon definitions are compared against in the order given by the
> policy, so userspace tools should sort them in a reasonable order.
> 
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> ---
>  security/selinux/include/security.h | 2 +-
>  security/selinux/ss/services.c      | 5 +++--
>  2 files changed, 4 insertions(+), 3 deletions(-)

My apologies on the delay in responding, overall I think is a nice
improvement, but I would feel a lot better if we wrapped this with a
policy capability so that users/admins that did run into a problem
would have a way to work around this using policy.

--
paul-moore.com




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