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[22024] Improve OpenSSL lifecycle handling (backport #5384) #5404

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@mergify mergify bot commented Nov 14, 2024

Description

This PR fixes a crash in OpenSSL provoked when the atexit callback from openssl is triggered upon process destruction, making it to trigger a SIGSEV on an already released OpenSSL resource.

In addition, OpenSSL is now a Meyers singleton attached to RTPSDomainImpl.

In accordance with the best practices using OpenSSL and its documentation:

  • Initialization is done through OpenSSL_init_crypto (available in all versions along with the OPENSSL_INIT_NO_ATEXIT option) that makes atexit not being registered.
  • If atexit is not registered, user has to explicitly call OpenSSL_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

  • The PR has a milestone assigned.
  • The title and description correctly express the PR's purpose.
  • Check contributor checklist is correct.
  • If this is a critical bug fix, backports to the critical-only supported branches have been requested.
  • Check CI results: changes do not issue any warning.
  • Check CI results: failing tests are unrelated with the changes.

This is an automatic backport of pull request #5384 done by [Mergify](https://mergify.com).

* Refs #22024: Add BB test

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

* Refs #22024: Make OpenSSLInit Mayers singleton

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

* Refs #22024: Fix: Do not register atexit in OPenSSL. Instead, Comply with OpenSSL initialization and destruction.

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

* Refs #22024: Do not reference OpenSSLInit if security features are no present

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

---------

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>
(cherry picked from commit 44310c4)
@mergify mergify bot mentioned this pull request Nov 14, 2024
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@MiguelCompany MiguelCompany added this to the v3.0.2 milestone Nov 14, 2024
@github-actions github-actions bot added the ci-pending PR which CI is running label Nov 14, 2024
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