feat: add FeatureIMAMeasurementActive probe#29
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Add a new Feature that detects whether IMA has an active measurement policy. The probe reads the runtime measurement count — a value > 1 (beyond boot_aggregate) means at least one rule is active. When the count is exactly 1, it executes /bin/true and re-reads to confirm. Also exports ProbeIMAMeasurementActive() for direct use by consumers. When IMA measurement is active, file hashes are cached in the inode security blob, avoiding recomputation on repeated access.
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Add a new Feature that detects whether IMA has an active measurement policy. The probe reads the runtime measurement count — a value > 1 (beyond boot_aggregate) means at least one rule is active. When the count is exactly 1, it executes /bin/true and re-reads to confirm.
Also exports
ProbeIMAMeasurementActive()for direct use by consumers.When IMA measurement is active, file hashes are cached in the inode security blob, avoiding recomputation on repeated access.