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11-21-2005, 09:52 PM
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#1
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LQ Newbie
Registered: Nov 2005
Location: Pennsylvania, USA
Distribution: openSuSE 10
Posts: 27
Rep: 
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Securing FAT32 Partition
I have a FAT32 partition I'm using to share files with my WinXP install (dual boot). Presently, the owner of the mount is root, and I set it for 777 permissions.
Is there anything I can do to secure this? If I set it to 755, that will prevent me from modifying any of the files (as I don't login as root). However, I've heard that you cannot set permissions at the file or directory level on a fat32 partition.
Any suggestions?
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11-21-2005, 10:18 PM
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#2
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Member
Registered: Jun 2005
Posts: 542
Rep:
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These permissions aren't saved per se but they're rather enforced with the umask abstraction. Check the dmask & fmask values in mount(8). You may mount the partition with the UID of your login using user=. Check the manpage
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11-22-2005, 11:27 AM
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#3
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LQ Guru
Registered: Feb 2004
Location: SE Tennessee, USA
Distribution: Gentoo, LFS
Posts: 11,380
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The problem is that FAT32 .. that is to say, the disk-format itself .. does not support permissions and ownership: there is no place in the directory entry for such things.
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