restic/changelog/unreleased/issue-4375 at 5705326bb8df5f0e167b77d7a6a0704e13800692 - alexvanin/restic - TrueCloudLab

alexvanin/restic

forked from TrueCloudLab/restic

Andrew Gunnerson 8c02ebb029

Add support for extended attributes on symlinks

Linux allows the use of non-`user.` extended attributes on symlinks. One
of the main users of this functionality is SELinux's `security.selinux`
xattr for storing a path's label. By storing symlink xattrs, restic is
now suitable for backing up the root filesystem on Linux distributions
that use SELinux.

This commit adds support for symlink xattrs when backing up data,
restoring data, and mounting snapshots via a fuse mount. All calls to
the xattr library have been updated to the use `L` variants of the
various functions, which always operate on the path given, without
following symlinks.

Fixes: #4375

Signed-off-by: Andrew Gunnerson <accounts+github@chiller3.com>

2023-06-19 14:37:31 -04:00

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 Enhancement: Add support for extended attributes on symlinks
 Restic now supports extended attributes on symlinks when backing up,
 restoring, or FUSE-mounting snapshots. This includes, for example, the
 `security.selinux` xattr on Linux distributions that use SELinux.
 https://github.com/restic/restic/issues/4375
 https://github.com/restic/restic/pull/4379