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SubjectRe: [PATCH 5/6] seccomp: add a way to attach a filter via eBPF fd
On Tue, Sep 08, 2015 at 05:07:03PM -0700, Kees Cook wrote:
>
> Yeah, bpf's union looks good. Let's add a "command" flag, though:
>
> seccomp(SECCOMP_MODE_FILTER_EBPF, int cmd, union, size);
>
> And this cmd could be ADD_FD or something?
>
> How's that look?

I think we can drop the size (using the same strategy as bpf() and
checking for zeroes at the end), and keep the same signature for
seccomp(); so:

seccomp(SECCOMP_MODE_FILTER_EBPF, SECCOMP_ADD_BPF_FD, &union)

Yes, I'll use this in the next version.

Tycho


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