[MacPorts] #52623: p11-kit @0.23.2_1: fails to properly complete operation and disconnect on Sierra

[MacPorts]

#52623: p11-kit @0.23.2_1: fails to properly complete operation and disconnect on
Sierra
----------------------+----------------------
  Reporter:  uri@…    |      Owner:  devans@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.3.4
Resolution:           |   Keywords:
      Port:  p11-kit  |
----------------------+----------------------

Comment (by leonardo.schenkel@…):

 I noticed that when I use `p11-kit-proxy.so` via OpenSC's `pkcs11-tool`
 and `libsofthsm2.so` is enabled then `pkcs11-tool` does not exit when it's
 done and I have to press `Ctrl+C`. But that happens only on `pkcs11-tool`
 and not on GnuTLS' `p11-tool`, nor when I use the `libsofthsm2.so` module
 directly via `pkcs11-tool`, bypassing `p11-kit`.

 Honestly I don't know which one is at fault here. It could be SoftHSM2,
 p11-kit, or even OpenSC (the engine for OpenSSL is from the OpenSC
 project). Personally I'm betting on some weird interaction between
 SoftHSM2 and p11-kit. I think your best choice is to report this upstream
 to both projects; should I do that or do you want to do yourself?

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Ticket URL: <https://trac.macports.org/ticket/52623#comment:8>
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