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Improve the apparmor example

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* examples/apparmor/libvirt-qemu examples/apparmor/usr.sbin.libvirtd
  examples/apparmor/usr.lib.libvirt.virt-aa-helper: Update the examples
This commit is contained in:
Jamie Strandboge 2010-04-06 22:56:07 +02:00 committed by Daniel Veillard
parent 1a253b38e2
commit 2df320609a
3 changed files with 32 additions and 19 deletions
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27
examples/apparmor/libvirt-qemu
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@ -1,4 +1,4 @@
# Last Modified: Fri Nov 6 16:41:59 2009
# Last Modified: Mon Apr 5 15:11:27 2010
#include <abstractions/base>
#include <abstractions/consoles>
@ -16,13 +16,11 @@
/dev/kvm rw,
/dev/ptmx rw,
/dev/kqemu rw,
@{PROC}/*/status r,
# WARNING: uncommenting these gives the guest direct access to host hardware.
# This is required for USB pass through but is a security risk. You have been
# warned.
#/sys/bus/usb/devices/ r,
#/sys/devices/*/*/usb[0-9]*/** r,
#/dev/bus/usb/*/[0-9]* rw,
# For hostdev access. The actual devices will be added dynamically
/sys/bus/usb/devices/ r,
/sys/devices/*/*/usb[0-9]*/** r,
# WARNING: this gives the guest direct access to host hardware and specific
# portions of shared memory. This is required for sound using ALSA with kvm,
@ -38,6 +36,9 @@
# unless you absolutely need it.
deny capability kill,
# Uncomment the following if you need access to /dev/fb*
#/dev/fb* rw,
/etc/pulse/client.conf r,
@{HOME}/.pulse-cookie rwk,
owner /root/.pulse-cookie rwk,
@ -56,6 +57,10 @@
/usr/share/openhackware/** r,
/usr/share/proll/** r,
/usr/share/vgabios/** r,
/usr/share/seabios/** r,
# access PKI infrastructure
/etc/pki/libvirt-vnc/** r,
# the various binaries
/usr/bin/kvm rmix,
@ -99,11 +104,3 @@
/bin/dash rmix,
/bin/dd rmix,
/bin/cat rmix,
# The svirt driver does not relabel the state file
# (https://bugzilla.redhat.com/show_bug.cgi?id=529363) resulting in denied
# messages. Uncommenting these lines can work around this somewhat by
# allowing users to save state files in the specified directory. We use
# 'owner' to make sure we don't overwrite the user's files.
#owner @{HOME}/libvirt-state-files/ r,
#owner @{HOME}/libvirt-state-files/** rw,

18
examples/apparmor/usr.lib.libvirt.virt-aa-helper
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@ -1,4 +1,4 @@
# Last Modified: Mon Jul 06 17:22:37 2009
# Last Modified: Mon Apr 5 15:10:27 2010
#include <tunables/global>
/usr/lib/libvirt/virt-aa-helper {
@ -14,9 +14,25 @@
deny @{PROC}/[0-9]*/mounts r,
@{PROC}/filesystems r,
# for hostdev
/sys/devices/ r,
/sys/devices/** r,
/usr/lib/libvirt/virt-aa-helper mr,
/sbin/apparmor_parser Ux,
/etc/apparmor.d/libvirt/* r,
/etc/apparmor.d/libvirt/libvirt-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]* rw,
# for backingstore -- allow access to non-hidden files in @{HOME} as well
# as storage pools
audit deny @{HOME}/.* mrwkl,
audit deny @{HOME}/.*/ rw,
audit deny @{HOME}/.*/** mrwkl,
audit deny @{HOME}/bin/ rw,
audit deny @{HOME}/bin/** mrwkl,
@{HOME}/ r,
@{HOME}/** r,
/var/lib/libvirt/images/ r,
/var/lib/libvirt/images/** r,
}

6
examples/apparmor/usr.sbin.libvirtd
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@ -1,4 +1,4 @@
# Last Modified: Wed Sep 23 23:23:58 2009
# Last Modified: Mon Apr 5 15:03:58 2010
#include <tunables/global>
@{LIBVIRT}="libvirt"
@ -21,6 +21,7 @@
capability chown,
capability setpcap,
capability mknod,
capability fsetid,
network inet stream,
network inet dgram,
@ -35,7 +36,6 @@
/sbin/* Ux,
/usr/bin/* Ux,
/usr/sbin/* Ux,
/usr/lib/libvirt/* Ux,
# force the use of virt-aa-helper
audit deny /sbin/apparmor_parser rwxl,
@ -44,7 +44,7 @@
audit deny /sys/kernel/security/apparmor/matching rwxl,
audit deny /sys/kernel/security/apparmor/.* rwxl,
/sys/kernel/security/apparmor/profiles r,
/usr/lib/libvirt/virt-aa-helper Pxr,
/usr/lib/libvirt/* PUxr,
# allow changing to our UUID-based named profiles
change_profile -> @{LIBVIRT}-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*,