Files
docker-cli/components/engine/utils
Yong Tang 154b3f0e4f Restrict checkpoint name to prevent directory traversal
This fix tries to address the issue raised in 28769 where
checkpoint name was not checked before passing to containerd.
As a result, it was possible to use a special checkpoint name
to get outside of the container's directory.

This fix add restriction `[a-zA-Z0-9][a-zA-Z0-9_.-]+` (`RestrictedNamePattern`).
This is the same as container name restriction.

This fix fixes 28769.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: c90ec0517544e7d054d79f71f4d24d9ebbad7408
Component: engine
2016-11-23 13:23:07 -08:00
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