On 2 March 2010 10:35, Fredrich Maney <fredrichma...@gmail.com> wrote:
> Logically it would be setuid + setgid + sticky, but it is not defined
> in the man page and I don't have the ability to read through the
> applicable source code. If it's not available, then I retract my
> suggestion, and instead suggest that the man pages need to be updated.
> :)
Well, I don't think the man page needs to list all possible combinations :)
sticky bit , setuid bit and setgid bit are all described. As I said,
the sticky bit is little if not used for regular files, but it has an
important semantic for directories:
If a directory is writable and has S_ISVTX (the sticky bit)
set, files within that directory can be removed or renamed
only if one or more of the following is true (see unlink(2)
and rename(2)):
o the user owns the file
o the user owns the directory
o the file is writable by the user
o the user is a privileged use
I would not go with "overloading" something that was not meant to be
used this way, especially since there are other possible solutions.
But, obviously, my opinion :)
>
> According to the man page, the valid values for the mask are 0-7 in 4
> places, so 8000 would not be a valid value.
Yes, I know, which is why I wondered if you meant to actually use a
bit that is not meant to be used.
Got also a bit misled by "bit", probably. :)
- Enrico
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