Subj : Re: Unpack Cmd %2 and paths (follow-up)
To   : g00r00
From : Bj”rn Wiberg
Date : Fri Aug 06 2021 02:35 pm

Hello again, g00r00!

On 06 Aug 2021, Bj”rn Wiberg said the following...
 BW> The only "bad" thing I noticed is that the automatic "basenaming"
 BW> (stripping  path info from the entered filename) of "%2" for the Unpack
 BW> Cmd can make it  hard to perform archive member (file) selection for
 BW> certain archivers.
 BW> 
 BW> For instance, tar requires the "correct" (full) path of a file within an 
 BW> archive to be entered when selecting files for extraction.

Apart from tar, this also applies to zip, lha and 7z (including LHA/LZH via 7-ZIP for Windows).

(But not to arj e -e, zoo x:, or arc e which doesn't have any notion of subdirectories whatsoever).

So it would be great if the %2 sanitization of Unpack Cmd would disallow things like ../ or ..\ but allow subdir/ and ./subdir and ./subdir/. and ././ and similar. Otherwise extraction of files from subdirectories becomes impossible.

Best regards
Bj”rn

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