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   MYSTIC      Mystic support echo      16,010 messages   

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   Message 13,725 of 16,010   
   Bj”rn Wiberg to g00r00   
   Re: Unpack Cmd %2 and paths (follow-up)   
   06 Aug 21 14:35:14   
   
   TID: Mystic BBS 1.12 A47   
   MSGID: 2:201/137 95462887   
   REPLY: 2:201/137 66c3642b   
   TZUTC: 0200   
   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   
   --- Mystic BBS v1.12 A47 2021/08/05 (Linux/64)   
    * Origin: Star Collision BBS, Uppsala, Sweden (2:201/137)   
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