Re: Permissions in udev don't work when klibc is used ?

[Kay Sievers <kay.sievers@vrfy.org>]

On Mon, 2004-02-23 at 19:55, Olaf Hering wrote:
>  On Mon, Feb 23, Kay Sievers wrote:
> 
> > On Mon, Feb 23, 2004 at 05:39:42PM +0100, Olaf Hering wrote:
> > >  On Mon, Feb 23, Remco wrote:
> > > 
> > > > - for user and group names to work a "name conversion system" (user database + 
> > > > api to use it) needs to be in place. (e.g. /etc/passwd, /etc/group, ldap and 
> > > > glibc, nss-api, nss_ldap) 
> > > > klibc hasn't got such a system / api (or it's not fully functional ?) so only 
> > > > uid-s / gid-s are possible when linking against klibc.
> > > > A name conversion system might (or will ?) not be available when using initrd. 
> > > > (what about early userspace, or am I touching the TODO area too much now ?)
> > > 
> > > You can build your udev.permissions via sed, grep, awk or whatever via
> > > getent passwd and getenv group and convert the names to numbers. No need
> > > to pollute klibc with 'useless' stuff.
> > 
> > I want to keep the difference between glibc and klibc as small as
> > possible. It's easy to do with just a few lines and it's better than
> > a magic update script and a udev.permissions without user readable content.
> 
> the whole purpose of klibc is to bring up the system via initramfs. this
> does not include user handling.
> 
> > And initrd just needs a copy of the system files.
> 
> sure, in a preprocessed form.
> 
> > Hey, you've complained a lot about 'useless' stuff the last time.
> > Maybe you just just want to make the whole udev thing a big shell
> > script for you :)
> 
> Well, its somehow like the editor discussion. My point is that klibc
> does not have to care about names, only numbers. Because if you go that
> route and add the whole glibc userhandling stuff then you can use glibc
> in the first place. klibc is small, lets keep it that way.

No, I don't think so.
klibc is also used for the normal udev not only in initramfs
and we should avoid all possible differences between the libc's.
klibc isnt't touched directly, _udev_ reads the passwd!

thanks and over,
Kay



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