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transform: luaxform transform script #11940

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transform: luaxform transform script #11940

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Commits on Oct 11, 2024

  1. transforms: Make ctx available 

    This commit makes the detection engine thread context available for
transforms to use. The Lua transform requires this value.

Issue: 2290
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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  2. hash: Provide detection engine context to free fn 

    Issue: 2290

This commit extends the hash table logic with an alternate free function
that provides the detection engine context.

Users that wish to use the next functionality must use the
HashListTableInitWithCtx function when initializing the hash table.
Using this interface will result in the hash table "free with context"
function (new) being used instead.
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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  3. detect/engine: Prevent double-free of keyword hash 

    Issue: 2290

Defer freeing the keyword hash table until the engine context has
been freed. This eliminates a double-free from occurring.

For the unittests ONLY, clear the keyword_hash to prevent a double
free attempt.
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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  4. transform: Add luaxform files 

    Issue: 2290

This commit adds the source files for the new transform -- luaxform.
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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  5. doc: Document luaxform transform 

    Issue: 2290
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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  6. detect/transform: Refactor setup/apply pattern 

    git grep -A 1 -w InspectionBufferSetup shows numbers cases of the pattern:
    - InspectionBufferSetup
    - InspectionBufferApplyTransforms

Refactor the implementations of those functions into
InspectionBufferSetupAndApplyTransforms to reduce function call count.

Issuer: 2290
    @jlucovsky
    jlucovsky committed Oct 11, 2024
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