On 10/19/23 14:49, Tushar Sugandhi wrote:
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| Introduction |
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This document provides a detailed overview of the proposed Kernel
feature IMA log snapshotting. It describes the motivation behind the
proposal, the problem to be solved, a detailed solution design with
examples, and describes the changes to be made in the clients/services
which are part of remote-attestation system. This is the 2nd version
of the proposal. The first version is present here[1].
Table of Contents:
------------------
A. Motivation and Background
B. Goals and Non-Goals
B.1 Goals
B.2 Non-Goals
C. Proposed Solution
C.1 Solution Summary
C.2 High-level Work-flow
D. Detailed Design
D.1 Snapshot Aggregate Event
D.2 Snapshot Triggering Mechanism
D.3 Choosing A Persistent Storage Location For Snapshots
D.4 Remote-Attestation Client/Service-side Changes
D.4.a Client-side Changes
D.4.b Service-side Changes
E. Example Walk-through
F. Other Design Considerations
G. References
Userspace applications will have to know
a) where are the shard files?
b) how do I read the shard files while locking out the producer of the
shard files?
IMO, this will require a well known config file and a locking method
(flock) so that user space applications can work together in this new
environment. The lock could be defined in the config file or just be the
config file itself.
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