[22024] Improve OpenSSL
lifecycle handling (backport #5384)
#5404
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Description
This PR fixes a crash in
OpenSSL
provoked when theatexit
callback fromopenssl
is triggered upon process destruction, making it to trigger aSIGSEV
on an already releasedOpenSSL
resource.In addition,
OpenSSL
is now a Meyers singleton attached toRTPSDomainImpl
.In accordance with the best practices using OpenSSL and its documentation:
OpenSSL_init_crypto
(available in all versions along with theOPENSSL_INIT_NO_ATEXIT
option) that makesatexit
not being registered.atexit
is not registered, user has to explicitly callOpenSSL_cleanup()
(also, supported across versions).@Mergifyio backport 3.1.x 3.0.x 2.14.x 2.10.x
Contributor Checklist
Commit messages follow the project guidelines.
The code follows the style guidelines of this project.
Tests that thoroughly check the new feature have been added/Regression tests checking the bug and its fix have been added; the added tests pass locally
Any new/modified methods have been properly documented using Doxygen.
Any new configuration API has an equivalent XML API (with the corresponding XSD extension)
Changes are backport compatible: they do NOT break ABI nor change library core behavior.
Changes are API compatible.
N/A New feature has been added to the
versions.md
file (if applicable).N/A New feature has been documented/Current behavior is correctly described in the documentation.
Applicable backports have been included in the description.
Reviewer Checklist
This is an automatic backport of pull request #5384 done by [Mergify](https://mergify.com).