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Dynamic alprotos : make SNMP totally dynamic v13 #12736

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Link to ticket: https://redmine.openinfosecfoundation.org/issues/
https://redmine.openinfosecfoundation.org/issues/5053

Describe changes:

  • detect: fix overflow for files protocol as reported by coverity
  • snmp: register protocol dynamically, to do so :
    • make some arrays even more dynamic
    • add an helper function AppProtoNewProtoFromString
    • have plugins be able to log flow or packet direction

#12732 with clean PR history

CID 1640392

Would happen only if we reached 15 protocols handling files
Ticket: 5053

Do not asume that we know the number of alprotos at the end
of AppLayerNamesSetup, but make arrays allocated by later
AppLayerProtoDetectSetup dynamic so that it can be reallocated
from AppLayerParserRegisterProtocolParsers

This helps have a single entry point for a protocol like SNMP
So that we do not have to know g_alproto_max to register
dynamically a new protocol from its name
Ticket: 5053

Move enum OutputJsonLogDirection and struct
EveJsonTxLoggerRegistrationData to a public header user by rust
thanks to bindgen

Rename to use SC prefix on the way
and cast

and also remove unneeded mut

and rustfmt
@catenacyber catenacyber requested review from jasonish, victorjulien and a team as code owners March 7, 2025 13:28
@catenacyber catenacyber changed the title Applayer plugin 5053 v4.13 Dynamic alprotos : make SNMP totally dynamic v13 Mar 7, 2025
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Information: QA ran without warnings.

Pipeline 25017

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