WIP pledge/low-level seccomp arg filter interface #22

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crtxcr force-pushed WIP/argsfilter from 89749bd03b to 371c6a94b6 2021-11-30 18:33:22 +01:00 Compare
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Test for blacklist:

  • syscall without args
  • syscall with args
  • syscall without args
Test for blacklist: - syscall without args - syscall with args - syscall without args
crtxcr changed title from WIP low-level seccomp arg filter interface to WIP pledge/low-level seccomp arg filter interface 2021-12-05 17:32:21 +01:00
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crtxcr added 2 commit 2021-12-27 14:18:15 +01:00
Some distros put sys/capability.h into libcap-dev or
similiar, which is a bit unforunate, we don't need
libcap-dev or anything like that.

Since we anyway only used the capget()/capset(), we can
just define a simple wrapper and call the syscall directly
and therefore avoid above mentioned issue.
crtxcr added 1 commit 2021-12-27 14:26:47 +01:00
crtxcr added 1 commit 2021-12-27 17:03:42 +01:00
We cannot assume that landlock is enabled if we can compile it.
Even if it's enabled in the kernel it may still not be loaded.

We fill fallback to chroot/bind-mounts if we can.

If we can't (because path policies have landlock-specific options),
we can't do that either.

Closes: #21
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crtxcr closed this pull request 2021-12-27 17:14:56 +01:00

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Reference: crtxcr/exile.h#22
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