From owner-freebsd-questions  Tue Jun 23 02:18:35 1998
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Date: Tue, 23 Jun 1998 02:17:54 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: Bryce Newall <data@dreamhaven.net>
cc: FreeBSD Questions List <freebsd-questions@FreeBSD.ORG>
Subject: Re: FTP drop box
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On Mon, 22 Jun 1998, Bryce Newall wrote:

> The problem I'm running into is that when someone uploads a file, the file
> is owned by "ftp", and not by the user whose account it's going into, so
> the file doesn't count towards the user's quota.  Consequently, outsiders
> have been abusing this by uploading huge files and directories, probably
> with the intent of filling up my filesystem.  (Thankfully, /ftp is on its
> own drive.)  My question is, is there a way to get the OS to force
> ownership on the file as soon as it's uploaded, so that outsiders cannot
> upload more than will fit in the user's quota?  Or does anyone have a
> suggestion as to a better method of implementing these drop boxes than
> what I'm currently doing?

Sure, set the suid & sgid bits on the directories.  This forces files
created in them to aquire their owner/group and permissions.  See `man 2
chmod' for info. 

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major


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