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Applayer plugin 5053 v3.16 #12256

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Link to ticket: https://redmine.openinfosecfoundation.org/issues/
https://redmine.openinfosecfoundation.org/issues/5053
https://redmine.openinfosecfoundation.org/issues/7437

Describe changes:

  • get ready to use dynamic number of app-layer protos (also work with static constant) in all places
  • preventive fix of macro with parenthesis cc @jufajardini
  • app-layer plugins
  • remove limitation on probing parsers about 32 protocols

This PR contains #12233 + #12234 and more

#12163 rebased after latest merge of #12232

instead of a global variable.

For easier initialization with dynamic number of protocols
for expectation_proto

Ticket: 5053
so that we can use safely EXCEPTION_POLICY_MAX*sizeof(x)
Ticket: 5053

delay after initialization so that StringToAppProto works
Because some alprotos will remain static and defined as a constant,
such as ALPROTO_UNKNOWN=0, or ALPROTO_FAILED.

The regular already used protocols keep for now their static
identifier such as ALPROTO_SNMP, but this could be made more
dynamic in a later commit.

ALPROTO_FAILED was used in comparison and these needed to change to use
either ALPROTO_MAX or use standard function AppProtoIsValid
Ticket: 5053

The names are now dynamically registered at runtime.
The AppProto alproto enum identifiers are still static for now.

This is the final step before app-layer plugins.
There was an implicit limit of 32 app-layer protocols
used by probing parsers through a mask, meaning that
Suricata should not support more than 32 app-layer protocols
in total.

This limit is relaxed to each flow not being able to
run more than 32 probing parsers, meaning that for each source
and destination port combination, the sum of registered
probing parsers should not exceed 32, even if there are more
than 32 in total.

Ticket: 7437
@victorjulien
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Added skip qa to avoid qalab backlog this week.

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codecov bot commented Dec 10, 2024

Codecov Report

Attention: Patch coverage is 78.61272% with 111 lines in your changes missing coverage. Please review.

Project coverage is 80.64%. Comparing base (38d7900) to head (a21b697).

Additional details and impacted files
@@            Coverage Diff             @@
##           master   #12256      +/-   ##
==========================================
- Coverage   83.21%   80.64%   -2.58%     
==========================================
  Files         912      914       +2     
  Lines      257183   257599     +416     
==========================================
- Hits       214025   207739    -6286     
- Misses      43158    49860    +6702     
Flag Coverage Δ
fuzzcorpus 56.63% <67.35%> (-4.44%) ⬇️
livemode 19.38% <49.77%> (-0.05%) ⬇️
pcap 44.45% <67.12%> (+0.05%) ⬆️
suricata-verify 62.81% <73.05%> (+0.01%) ⬆️
unittests 58.49% <61.84%> (-0.70%) ⬇️

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

@suricata-qa
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WARNING:

field baseline test %
SURI_TLPW1_stats_chk
.app_layer.error.tls.parser 1152 1203 104.43%
SURI_TLPR1_stats_chk
.app_layer.tx.ftp 95972 102934 107.25%
.ftp.memuse 3102 10661 343.68%

Pipeline 23922

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3 participants