From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kay Sievers Date: Wed, 22 Jun 2005 17:47:15 +0000 Subject: Re: group ownership in initrd Message-Id: <20050622174715.GA2786@vrfy.org> List-Id: References: <1119392244.4478.11.camel@rich> In-Reply-To: <1119392244.4478.11.camel@rich> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Wed, Jun 22, 2005 at 10:33:17AM -0700, rich turner wrote: > On Wed, 2005-06-22 at 01:30 +0200, Kay Sievers wrote: > > On Tue, Jun 21, 2005 at 04:17:54PM -0700, rich turner wrote: > > > On Wed, 2005-06-22 at 00:50 +0200, Kay Sievers wrote: > > > > On Tue, Jun 21, 2005 at 03:17:24PM -0700, rich turner wrote: > > > > > i am starting udev in my initrd and it is creating the devices with the > > > > > correct MODE permissions but it is not creating it with the correct > > > > > group permissions. > > > > > > > > > > what i have in my initrd, among other things, is the entire /etc/udev > > > > > directory and the /sbin/udev and /sbin/udevstart executables. is there > > > > > something else i am missing that will create my device nodes with the > > > > > correct user and group ownership? > > > > > > > > Do you use numerical id's? If not, make sure initrd can resolve the name > > > > to the uid/gid with prepared udev. > > > > > are the numerical id's you refer to the group ownership id's indicated > > > in the rules file? > > > > > > are you saying that if i want to use udev in an initrd i will need to > > > include /etc/group (and perhaps /etc/passwd) in the initrd if my > > > ownership id's are names rather than numbers in my rules files? > > > > Well, how could udev know the numbers? The kernel does not care about > > your group names and therefore you have to avoid names or provide > > everything neccessary to resolve it in initrd. > i must still be missing something. > > i have now included /etc/group and /etc/passwd in my initrd and the > ownership still is not getting created properly. > > here is the rule that is used for /dev/pty* devices. it is found > in /etc/udev/rules.d/50-udev.rules: > KERNEL="pty[pqrstuvwxyzabcdef][0123456789abcdef]", NAME="%k", > GROUP="tty", MODE="666", OPTIONS="ignore_scripts" You need to be able to resolve the names: o use klibc which does that by default o by compiling in a passwd parser to a static glibc build o or put the needed shared libs for glibc into your image Kay ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_idt77&alloc_id492&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