libvirt-bin 1.3.1-1ubuntu10 / etc / apparmor.d / abstractions / libvirt-qemu

# Last Modified: Wed Jul  8 09:57:41 2009

  #include <abstractions/base>
  #include <abstractions/consoles>
  #include <abstractions/nameservice>

  # required for reading disk images
  capability dac_override,
  capability dac_read_search,
  capability chown,

  # needed to drop privileges
  capability setgid,
  capability setuid,

  # this is needed with libcap-ng support, however it breaks a lot of things
  # atm, so just silence the denial until libcap-ng works right. LP: #522845
  deny capability setpcap,

  network inet stream,
  network inet6 stream,

  /dev/net/tun rw,
  /dev/tap* rw,
  /dev/kvm rw,
  /dev/ptmx rw,
  /dev/kqemu rw,
  @{PROC}/*/status r,
  @{PROC}/sys/kernel/cap_last_cap r,
  owner @{PROC}/*/auxv r,
  @{PROC}/sys/vm/overcommit_memory r,

  /sys/devices/system/node/ r,
  /sys/devices/system/node/node[0-9]*/meminfo r,
  /sys/devices/system/cpu/ r,

  /sys/module/vhost/parameters/max_mem_regions r,

  # 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,
  # but may constitute a security risk. If your environment does not require
  # the use of sound in your VMs, feel free to comment out or prepend 'deny' to
  # the rules for files in /dev.
  /{dev,run}/shm r,
  /{dev,run}/shmpulse-shm* r,
  /{dev,run}/shmpulse-shm* rwk,
  /dev/snd/* rw,
  capability ipc_lock,
  # spice
  /usr/bin/qemu-system-i386-spice rmix,
  /usr/bin/qemu-system-x86_64-spice rmix,
  /{dev,run}/shm/ r,
  owner /{dev,run}/shm/spice.* rw,
  # 'kill' is not required for sound and is a security risk. Do not enable
  # 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,
  owner /root/.pulse/ rw,
  owner /root/.pulse/* rw,
  /usr/share/alsa/** r,
  owner /tmp/pulse-*/ rw,
  owner /tmp/pulse-*/* rw,
  /var/lib/dbus/machine-id r,

  # access to firmware's etc
  /usr/share/kvm/** r,
  /usr/share/qemu/** r,
  /usr/share/bochs/** r,
  /usr/share/openbios/** r,
  /usr/share/openhackware/** r,
  /usr/share/proll/** r,
  /usr/share/vgabios/** r,
  /usr/share/seabios/** r,
  /usr/share/misc/sgabios.bin r,
  /usr/share/ovmf/** r,
  /usr/share/slof/** r,

  # access PKI infrastructure
  /etc/pki/libvirt-vnc/** r,

  # the various binaries
  /usr/bin/kvm rmix,
  /usr/bin/qemu rmix,
  /usr/bin/qemu-system-aarch64 rmix,
  /usr/bin/qemu-system-alpha rmix,
  /usr/bin/qemu-system-arm rmix,
  /usr/bin/qemu-system-cris rmix,
  /usr/bin/qemu-system-i386 rmix,
  /usr/bin/qemu-system-lm32 rmix,
  /usr/bin/qemu-system-m68k rmix,
  /usr/bin/qemu-system-microblaze rmix,
  /usr/bin/qemu-system-microblazeel rmix,
  /usr/bin/qemu-system-mips rmix,
  /usr/bin/qemu-system-mips64 rmix,
  /usr/bin/qemu-system-mips64el rmix,
  /usr/bin/qemu-system-mipsel rmix,
  /usr/bin/qemu-system-moxie rmix,
  /usr/bin/qemu-system-or32 rmix,
  /usr/bin/qemu-system-ppc rmix,
  /usr/bin/qemu-system-ppc64 rmix,
  /usr/bin/qemu-system-ppc64le rmix,
  /usr/bin/qemu-system-ppcemb rmix,
  /usr/bin/qemu-system-s390x rmix,
  /usr/bin/qemu-system-sh4 rmix,
  /usr/bin/qemu-system-sh4eb rmix,
  /usr/bin/qemu-system-sparc rmix,
  /usr/bin/qemu-system-sparc64 rmix,
  /usr/bin/qemu-system-tricore rmix,
  /usr/bin/qemu-system-unicore32 rmix,
  /usr/bin/qemu-system-x86_64 rmix,
  /usr/bin/qemu-system-x86_64-spice rmix,
  /usr/bin/qemu-system-xtensa rmix,
  /usr/bin/qemu-system-xtensaeb rmix,
  /usr/bin/qemu-aarch64 rmix,
  /usr/bin/qemu-alpha rmix,
  /usr/bin/qemu-arm rmix,
  /usr/bin/qemu-armeb rmix,
  /usr/bin/qemu-cris rmix,
  /usr/bin/qemu-i386 rmix,
  /usr/bin/qemu-m68k rmix,
  /usr/bin/qemu-microblaze rmix,
  /usr/bin/qemu-microblazeel rmix,
  /usr/bin/qemu-mips rmix,
  /usr/bin/qemu-mipsel rmix,
  /usr/bin/qemu-mips64 rmix,
  /usr/bin/qemu-mips64el rmix,
  /usr/bin/qemu-mipsn32 rmix,
  /usr/bin/qemu-mipsn32el rmix,
  /usr/bin/qemu-or32 rmix,
  /usr/bin/qemu-ppc rmix,
  /usr/bin/qemu-ppc64 rmix,
  /usr/bin/qemu-ppc64abi32 rmix,
  /usr/bin/qemu-ppc64le rmix,
  /usr/bin/qemu-s390x rmix,
  /usr/bin/qemu-sh4 rmix,
  /usr/bin/qemu-sh4eb rmix,
  /usr/bin/qemu-sparc rmix,
  /usr/bin/qemu-sparc64 rmix,
  /usr/bin/qemu-sparc32plus rmix,
  /usr/bin/qemu-sparc64 rmix,
  /usr/bin/qemu-unicore32 rmix,
  /usr/bin/qemu-x86_64 rmix,

  # for save and resume
  /bin/dash rmix,
  /bin/dd rmix,
  /bin/cat rmix,
  /etc/pki/CA/ r,
  /etc/pki/CA/* r,
  /etc/pki/libvirt/ r,
  /etc/pki/libvirt/** r,

  # kvm.powerpc executes this
  /bin/uname rmix,

  # for rbd
  /etc/ceph/ceph.conf r,

  # for qemu-block-extra
  /usr/lib/@{multiarch}/qemu/*.so rm,

  # for access to hugepages
  owner "/run/hugepages/kvm/libvirt/qemu/**" rw,
  owner "/dev/hugepages/libvirt/qemu/**" rw,

  # for usb access
  /dev/bus/usb/ r,
  /etc/udev/udev.conf r,
  /sys/bus/ r,
  /sys/class/ r,

  signal (receive) peer=/usr/sbin/libvirtd,
  ptrace (tracedby) peer=/usr/sbin/libvirtd,

  # for ppc device-tree access
  @{PROC}/device-tree/ r,
  @{PROC}/device-tree/** r,
  /sys/firmware/devicetree/** r,

  # allow access to charm-specific ceph config (see lp#1403648)
  /var/lib/charm/*/ceph.conf r,
  # silence spurious denials (see lp#1403648)
  deny /tmp/{,**} r,
  deny /var/tmp/{,**} r,

  # silence refusals to open lttng files (see lp#1432644)
  deny /dev/shm/lttng-ust-wait-* r,
  deny /run/shm/lttng-ust-wait-* r,

  # allow serial console backed by pts chardev (LP: #1342083)
  /usr/lib/pt_chown ix,
  owner @{PROC}/0-9*/fd/ r,

  /usr/{lib,libexec}/qemu-bridge-helper Cx -> qemu_bridge_helper,
  # child profile for bridge helper process
  profile qemu_bridge_helper {
   #include <abstractions/base>

   capability setuid,
   capability setgid,
   capability setpcap,
   capability net_admin,

   # for 9p
   capability fsetid,
   capability fowner,

   network inet stream,

   /dev/net/tun rw,
   /etc/qemu/** r,
   owner @{PROC}/*/status r,

   /usr/{lib,libexec}/qemu-bridge-helper rmix,
  }