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Mention that --keep-dirlinks can be dangerous if there are

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untrusted symlinks in the transfer.
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Wayne Davison
2007-10-30 15:00:40 +00:00
parent 53ec55a88e
commit ce055e863d
1 changed files with 8 additions and 0 deletions
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@@ -801,6 +801,14 @@ directory, and receives the file into the new directory. With
bf(--keep-dirlinks), the receiver keeps the symlink and "file" ends up in
"bar".
One note of caution: if you use bf(--keep-dirlinks), you must trust all
the symlinks in the copy! If it is possible for an untrusted user to
create their own symlink to any directory, the user could then (on a
subsequent copy) replace the symlink with a real directory and affect the
content of whatever directory the symlink references. For backup copies,
you are better off using something like a bind mount instead of a symlink
to modify your receiving hierarchy.
See also bf(--copy-dirlinks) for an analogous option for the sending side.
dit(bf(-H, --hard-links)) This tells rsync to look for hard-linked files in