Re: permissions

From: David Magda (dmagda_at_ee.ryerson.ca)
Date: 07/24/04

  • Next message: Amiel Ong: "how to do this on ftp" 
    Date: Sat, 24 Jul 2004 10:40:41 -0400
To: freebsd-stable@freebsd.org

    On Jul 24, 2004, at 07:31, Sebastian Steenbuck wrote:

    > Another way is to set the setuid bit. (chmod 4000)
    >
    > See chmod (1)
    >
    >> 4000 (the setuid bit). Executable files with this bit
    >> set will
    >> run with effective uid set to the uid of the file
    >> owner.
    >> Directories with this bit set will force all files
    >> and sub-
    >> directories created in them to be owned by the
    >> directory
    >> owner and not by the uid of the creating process, if
    >> the
    >> underlying file system supports this feature

    Note that I don't think this is supported in the GENERIC kernel. I
    believe you have to add an option to the kernel configuration file and
    compile a new kernel. Go through NOTES/LINT and search for the string
    "SUID" or some such. (I don't remember details.)

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