From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kay Sievers Date: Mon, 23 Feb 2004 10:47:19 +0000 Subject: Re: Permissions in udev don't work when klibc is used ? Message-Id: <1077533239.1105.1.camel@pim> List-Id: References: <200402231118.26239.remco@d-compu.dyndns.org> In-Reply-To: <200402231118.26239.remco@d-compu.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.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_id56&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