capabilities and privilege escalation
robert at linuxfromscratch.org
Wed Aug 24 02:09:25 PDT 2011
On Tuesday 23 August 2011 17:31:20 Kevin Day wrote:
> On Mon, Aug 22, 2011 at 11:53 PM, Robert Connolly
> <robert at linuxfromscratch.org> wrote:
> > On Monday 22 August 2011 18:46:54 Kevin Day wrote:
> >> I find /etc/mtab to be of poor taste.
> >> I have a bunch of patches that fix software to use /proc/mounts and
> >> not /etc/mtab.
> >> Thus leaving all of the mounted device listing to the kernel (who is
> >> always correct).
> >> Then there is no need to worry about clobbering /etc/mtab. (especially
> >> if your on a read-only or limited-write system).
> > Can I see your patches for util-linux-ng? Or all the patches?
> > robert
> I am attaching it, hopefully it does not get blocked.
> The following programs need patches to use /proc/mounts
> - eject
> - glib
> - samba (it tries to do writes to /etc/mtab itself!)
> - util-linux-ng
> - xine-lib
> - uClibc (yep, i still use it for better and worse)
> - glibc
> Any application that properly uses the libc's _PATH_MOUNTED should not
> need to be patched but should obviously need to be
> installed/reinstalled after applying the glibc/uclibc patch.
There's a thread from Debian about /etc/mtab:
/proc/mounts doesn't have all the information about loop device mounts, so
umounting a loop device wouldn't break down the loop device after.
This is a disadvantage.
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