URL: https://github.com/freeipa/freeipa/pull/3774 Author: stanislavlevin Title: #3774: [DNSSEC] WIP Allow using of a custom OpenSSL engine for BIND Action: opened

PR body: """ For now Debian, Fedora, RHEL, etc. build BIND with 'native PKCS11' support. Till recently, that was the strict requirement of DNSSEC. The problem is that this restricts cross-platform features of FreeIPA.

With the help of libp11, which provides `pkcs11` engine plugin for the OpenSSL library for accessing PKCS11 modules in a semi- transparent way, FreeIPA could utilize OpenSSL version of BIND.

BIND in turn provides ability to specify the OpenSSL engine on the command line of `named` and all the BIND `dnssec-*` tools by using the `-E engine_name`.

Currently, this PR implements just an abstract ability. Actual configuration and tests results could be seen in my fork Azure Pipelines: https://dev.azure.com/slev0400/slev/_build/results?buildId=627&view=logs... https://dev.azure.com/slev0400/slev/_build/results?buildId=627&view=logs...

Related: https://pagure.io/freeipa/issue/8094

"""

To pull the PR as Git branch: git remote add ghfreeipa https://github.com/freeipa/freeipa git fetch ghfreeipa pull/3774/head:pr3774 git checkout pr3774