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Optimization #4753

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Fix inconsistency in Lua functions for the "needs" key

Added by Juliana Fajardini Reichow about 1 year ago. Updated 2 months ago.

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Assigned
Priority:
Normal
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Description

In Suricata, there's a difference in the usage of needs key, depending on whether one is writing a match or a log function in the lua scripts.
It is better to have the same behavior for both use cases.

Current behavior:
If one wants to use the log ability, the usage is:

function init (args)
    local needs = {}
    needs["protocol"] = "tls" 
    return needs
end

If one wants to write a match function in Lua scripts, then it must be:

function init(args)
    local needs = {}
    needs["tls"] = "true" 
    return needs
end

Real-life examples:
Example for match: https://github.com/OISF/suricata-verify/blob/master/tests/dns-lua-rules/test-rrname.lua Example for log: https://github.com/OISF/suricata-verify/blob/master/tests/lua-output-dns/test.lua

Expected behavior:
regardless of what function is being written, users should be able to use needs in the same way.


Related issues 1 (0 open1 closed)

Related to Documentation #4725: Inconsistent "needs" key documentation for Lua functionsClosedJuliana Fajardini ReichowActions
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