From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: Permissions in udev don't work when klibc is used ?
Date: Mon, 23 Feb 2004 10:47:19 +0000 [thread overview]
Message-ID: <1077533239.1105.1.camel@pim> (raw)
In-Reply-To: <200402231118.26239.remco@d-compu.dyndns.org>
On Mon, 2004-02-23 at 11:18, Remco wrote:
> I don't know if this has come up before but I noticed that permissions don't
> work when klibc is used. The "create_node" function will report unknown users
> and groups, using calls to "getpwnam" and "getgrnam".
> (compiled this way:
> ln -s /lib/modules/$(uname -r)/build klibc/klibc/
> make USE_KLIBC=true USE_LOG=true DEBUG=true -j4)
>
> I also noticed that "klibc_fixups.h" contains the "getgrnam" and "getpwnam"
> functions and lets them return NULL all of the time when USE_KLIBC is "true",
> which seem to be the cause of the failure.
>
> I suppose "getgrnam" and "getpwnam" simply haven't been incorporated in klibc
> yet and that the lack of these two functions has been "fixed" this way, or am
> I missing something ?
>
>
> P.S:
> Unless I overlooked it, maybe a fair warning should be in place to tell people
> that permissions don't work when using klibc. (If my findings are correct off
> course)
Hey, how about reading the man pages?
"If udev was built using klibc or is used before the user database is
accessible (e.g. initrd(4)), only numeric owner and group values may
be used."
thanks,
Kay
-------------------------------------------------------
SF.Net is sponsored by: Speed Start Your Linux Apps Now.
Build and deploy apps & Web services for Linux with
a free DVD software kit from IBM. Click Now!
http://ads.osdn.com/?ad_id\x1356&alloc_id438&op=click
_______________________________________________
Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net
Linux-hotplug-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel
next prev parent reply other threads:[~2004-02-23 10:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-23 10:18 Permissions in udev don't work when klibc is used ? Remco
2004-02-23 10:47 ` Kay Sievers [this message]
2004-02-23 14:01 ` Remco
2004-02-23 14:30 ` Kay Sievers
2004-02-23 15:18 ` Remco
2004-02-23 16:39 ` Olaf Hering
2004-02-23 18:31 ` Kay Sievers
2004-02-23 18:55 ` Olaf Hering
2004-02-23 19:01 ` Darren Salt
2004-02-23 19:10 ` Kay Sievers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1077533239.1105.1.camel@pim \
--to=kay.sievers@vrfy.org \
--cc=linux-hotplug@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).