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I had windows application installed on Linux Mint computer, for example, in Demo directory. And in Demo folder, I have files directories structure as follow

  -rwxrwxrwx spuser spuser aaa.dll 
  -rwxrwxrwx spuser spuser bbb.ttf 
  -rwxrwxrwx spuser spuser ccc.ref 
  -rwsrwxrwx spuser spuser DemoApp.EXE <= I've set setuid command on this file
  drwxrwxrwx spuser spuser icons
  drwxrwxrwx spuser spuser secure
  drwxrwxr-- spuser spuser lang

If I run DemoApp.EXE with spuser privilege, it work fine, DemoApp.EXE can read files within lang directory. But when I run DemoApp.EXE with ordinary user privilege, it have error that say cannot read files within lang directory that I set it read-only for others (as above directories structure). I try to run both in Linux mint with WINE or run this program on Windows pc, it have same result.

Please advise me, and sorry for my bad english.

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In order to read a file in a directory the executable bit "x" on the directory must be set.

so far only spuser, and members of spuser group can dive into the directory.

just check it with cd lang when you are the different user.

chmod o+rx lang will fix it.

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  • Thank for your reply, mestia. And yes, when I use command chmod o+rx on 'lang' directory, the DemoApp.exe can run correctly, but it also make other can read on this directory too. I would like others cannot read or access this directory except DemoApp.exe only.
    – user3571241
    Apr 30, 2014 at 8:06

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