NKE interfaces still appear to work in Big Sur release

Question

Created Nov ’20

Replies 3

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We have an NKE which uses some of the sock_* interfaces, which are on the deprecated list.

It sure sounded like Apple was going to kill these in Big Sur, yet our NKE installs, loads, and runs in the released build of the macOS 11.

Does anyone know which interfaces *are* being killed off in Big Sur? We've spread the news that customers have to migrate away from the NKE version of our product to a more recent version, but a more definite timeframe would help.

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Answer 1

Frameworks Engineer OP

Apple

Nov ’20

The list is here . Do you have a Feedback number detailing what you are seeing vs what you expect to see and the steps to reproduce that behavior?

1

Answer 2

kjbrock OP

Nov ’20

Yes, I've seen the list.

No, there's no feedback #. Back at the beginning of the beta I read that some things would continue to be enabled during the beta, so I didn't think it odd that the KEXT still loaded.

We don't use a lot of calls to the sock_* interfaces--we're basically an interface filter--but for example we do use:

Code Block sock_socket(PF_SYSTEM, SOCK_RAW, SYSPROTO_EVENT, . . .)

to open a system control socket. Works fine.

Expected behavior if not supported: KEXT fails to load.
Actual behavior: KEXT loads & runs.

I'll see about filing feedback from one of the beta systems.

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Answer 3

kjbrock OP

Dec ’20

The Feedback number is FB8895731

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