owasp-modsecurity / owasp-modsecurity/ModSecurity

configure with --with-lua= / parameter seems to be not used

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3.x
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C++
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Description

Describe the bug
When compiling with a provided, local compiled LUA (5.4.4), the --with-lua=/data/lua-5.4.4 seems to be ignored and results in "not found"
-> it does not seem to look at the path provided

Logs and dumps
...
configure: LUA library found at: /usr/lib64//liblua-5.3.so
*** LOOKING AT PATH: /opt/local
configure: LUA library found at: /usr/lib64//liblua-5.3.so
*** LOOKING AT PATH: /usr/lib/lua5.3/liblua
configure: LUA library found at: /usr/lib64//liblua-5.3.so
*** LOOKING AT PATH: /usr/lib/lua5.2/liblua
configure: LUA library found at: /usr/lib64//liblua-5.3.so
configure: LUA library was not found
...
-> no --with-lua=/data/lua-5.4.4 PATH inspected/used

To Reproduce
Steps to reproduce the behavior:
configure --with-lua=/some/path

Expected behavior
*** LOOKING AT PATH: /some/path
finding LUA there

A clear and concise description of what you expected to happen.
Expecting to find and use locally self-compiled LUA (5.4.4)

Server (please complete the following information):
ModSecurity v3.0.7
RHEL8

Initially i thought that the issue is that Lua doesnt build shared libs (.so) -> but even when building with shared libs (using patch from https://www.linuxfromscratch.org/patches/blfs/svn/lua-5.4.4-shared_library-1.patch) -> the behaviour does not change.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the configure --with-lua=/some/path entry point and reproduce the reported ModSecurity v3.0.7 behavior on RHEL8. Trace whether the supplied path is inspected and verify that a locally built Lua 5.4.4 is found and used instead of the fallback system paths.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, lua
Domain
build-system
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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