Messages in this thread | | | Date | Wed, 12 Aug 2020 07:03:12 +1000 (AEST) | From | James Morris <> | Subject | Re: [dm-devel] [RFC PATCH v5 00/11] Integrity Policy Enforcement LSM (IPE) |
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On Sat, 8 Aug 2020, Chuck Lever wrote:
> My interest is in code integrity enforcement for executables stored > in NFS files. > > My struggle with IPE is that due to its dependence on dm-verity, it > does not seem to able to protect content that is stored separately > from its execution environment and accessed via a file access > protocol (FUSE, SMB, NFS, etc).
It's not dependent on DM-Verity, that's just one possible integrity verification mechanism, and one of two supported in this initial version. The other is 'boot_verified' for a verified or otherwise trusted rootfs. Future versions will support FS-Verity, at least.
IPE was designed to be extensible in this way, with a strong separation of mechanism and policy.
Whatever is implemented for NFS should be able to plug in to IPE pretty easily.
-- James Morris <jmorris@namei.org>
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