Messages in this thread | | | Date | Thu, 12 Feb 2004 02:52:26 +0100 (CET) | From | Maciej Zenczykowski <> | Subject | Re: Vfat increases file permissions |
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my fstab entry seems to work quite well: /dev/hda1 /c vfat defaults,nosuid,nodev,quiet,umask=0000,showexec,noatime 0 0 # noexec
On Wed, 11 Feb 2004, Steve G wrote:
> Hello, > > I am wondering about something. Why is it that when I mount a > vfat floppy disk and copy a file to the disk, it becomes > executable? > > [root@linux fd_test]# umask 277 > [root@linux fd_test]# touch test.txt > [root@linux fd_test]# ls -l test.txt > -r-------- 1 root root 0 Feb 11 17:20 test.txt > [root@linux fd_test]# cp test.txt /mnt/floppy/ > [root@linux fd_test]# ls -l /mnt/floppy/test.txt > -rwxrwxrwx 1 root root 0 Feb 11 17:20 > /mnt/floppy/test.txt > > In the DOS world, not every file is executable. It uses the file > extention to decide if the file is executable. A text file is not > implicitly executable unless it has a .bat file extention. > > Is the Linux implementation interpreting something that doesn't > actually exist in the original? > > I am concerned about world writeable, executable files existing > on my floppies or USB devices that are formatted vfat. This seems > like a security concern to me. > > Thanks, > Steve Grubb > > __________________________________ > Do you Yahoo!? > Yahoo! Finance: Get your refund fast by filing online. > http://taxes.yahoo.com/filing.html > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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