io.netty.handler.ssl.OpenSsl#doesSupportProtocol may not produce expected results with openssl 1.1.0+
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Description
As of PR https://github.com/netty/netty-tcnative/pull/249 io.netty.handler.ssl.OpenSsl#doesSupportProtocol may not produce the expected results. We should either find an alternative/more reliable way to determine supported protocols, or revert code from PR https://github.com/netty/netty-tcnative/pull/249 which always forces using the new TLS_*method if the version of OpenSSL is >= 1.1.0, and allow the deprecated methods to be used.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with io.netty.handler.ssl.OpenSsl#doesSupportProtocol and compare the behavior introduced by netty-tcnative PR 249 for OpenSSL 1.1.0 and later. Determine whether a more reliable protocol-support check is possible or whether the PR's forced TLS_*method behavior should be reverted; done means the method reports expected results.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, java
- Domain
- security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100