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Dynamic alprotos : make SNMP totally dynamic v5 #12420

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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 (update SC_PLUGIN_API_VERSION)

#12414 with obsolete comment removed

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 from C to rust
and cast

and also remove unneeded mut

and rustfmt
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codecov bot commented Jan 17, 2025

Codecov Report

Attention: Patch coverage is 83.33333% with 11 lines in your changes missing coverage. Please review.

Project coverage is 80.78%. Comparing base (8f6795d) to head (f9314c5).

Additional details and impacted files
@@            Coverage Diff             @@
##           master   #12420      +/-   ##
==========================================
+ Coverage   80.63%   80.78%   +0.15%     
==========================================
  Files         918      918              
  Lines      258696   258734      +38     
==========================================
+ Hits       208598   209023     +425     
+ Misses      50098    49711     -387     
Flag Coverage Δ
fuzzcorpus 57.22% <76.92%> (+0.41%) ⬆️
livemode 19.44% <70.76%> (+0.03%) ⬆️
pcap 44.11% <83.07%> (-0.20%) ⬇️
suricata-verify 63.28% <81.25%> (+0.04%) ⬆️
unittests 58.53% <70.76%> (+0.01%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

@suricata-qa
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Information: QA ran without warnings.

Pipeline 24255

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