Norman Maurer
b2f7e8648e
Fix ReferenceCountedOpenSslEngine.getEnabledProtocols() when using boringssl
Motivation: Commit cd3bf3df58c3ab4462578284e7378571603a1721 made netty observe the latest version of netty-tcnative which changed the way how static fields are computed for various SSL.* values. This lead to have SSL_OP_NO_SSLv2 become 0 when using boringssl as boringssl not supports SSLv2 at all. In the logic of ReferenceCountedOpenSslEngine.getEnabledProtocols() we not expect to have a zero value and so our logic fails. Modifications: Check we actual support the protocol before return it as enabled. Result: SSLEngineTest.testEnablingAnAlreadyDisabledSslProtocol passes again with boringssl
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Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
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