bpf: Hide directories from access #74
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This change adds new BPF programs which restrict the filesystem access (open) inside containers based on configurable allow and deny BPF maps. Allow/deny lists of directories are available in the usespace in lockc configuration. It can be tested by trying to access a denied directory in a container, like: lockc-control-plane-0:~ # docker run --rm -it busybox sh / # ls /sys ls: can't open '/sys': Operation not permitted / # ls /home / # Fixes: lockc-project#48 Signed-off-by: Michal Rostecki <mrostecki@opensuse.org>
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manuelbuil
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| * If anyone can show or contribute the better solution, I owe them a | ||
| * beer! |
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A beer is a too small reward for this problem ;)
manuelbuil
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/cc @flavio |
nickgerace
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Oct 14, 2021
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This change adds new BPF programs which restrict the filesystem access
(open) inside containers based on configurable allow and deny BPF maps.
Allow/deny lists of directories are available in the usespace in lockc
configuration.
It can be tested by trying to access a denied directory in a container,
like:
Fixes: #48
Signed-off-by: Michal Rostecki mrostecki@opensuse.org