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b61fb8e8af
In order for apparmor to work properly in Xen environments, the following
access rights need to be allowed:
- Allow CAP_SYS_PACCT, which is required when resetting some multi-port
Broadcom cards by writting to the PCI config space
- Allow CAP_IPC_LOCK, which is required to lock/unlock memory. Without
this setting, an error 'Resource temporarily unavailable' can be seen
while attempting to mmap memory. At the same time, the following
apparmor message is seen:
apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/libvirtd"
pid=2097 comm="libvirtd" pid=2097 comm="libvirtd" capability=14
capname="ipc_lock"
- Allow access to distribution specific directories:
/usr/{lib,lib64}/xen/bin
67 lines
1.7 KiB
Plaintext
67 lines
1.7 KiB
Plaintext
# Last Modified: Mon Apr 5 15:03:58 2010
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#include <tunables/global>
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@{LIBVIRT}="libvirt"
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/usr/sbin/libvirtd {
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#include <abstractions/base>
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#include <abstractions/dbus>
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capability kill,
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capability net_admin,
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capability net_raw,
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capability setgid,
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capability sys_admin,
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capability sys_module,
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capability sys_ptrace,
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capability sys_pacct,
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capability sys_nice,
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capability sys_chroot,
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capability setuid,
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capability dac_override,
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capability dac_read_search,
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capability fowner,
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capability chown,
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capability setpcap,
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capability mknod,
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capability fsetid,
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capability audit_write,
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capability ipc_lock,
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# Needed for vfio
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capability sys_resource,
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network inet stream,
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network inet dgram,
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network inet6 stream,
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network inet6 dgram,
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network packet dgram,
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# Very lenient profile for libvirtd since we want to first focus on confining
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# the guests. Guests will have a very restricted profile.
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/ r,
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/** rwmkl,
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/bin/* PUx,
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/sbin/* PUx,
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/usr/bin/* PUx,
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/usr/sbin/* PUx,
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/lib/udev/scsi_id PUx,
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/usr/{lib,lib64}/xen-common/bin/xen-toolstack PUx,
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/usr/{lib,lib64}/xen/bin/* Ux,
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# force the use of virt-aa-helper
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audit deny /sbin/apparmor_parser rwxl,
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audit deny /etc/apparmor.d/libvirt/** wxl,
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audit deny /sys/kernel/security/apparmor/features rwxl,
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audit deny /sys/kernel/security/apparmor/matching rwxl,
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audit deny /sys/kernel/security/apparmor/.* rwxl,
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/sys/kernel/security/apparmor/profiles r,
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/usr/{lib,lib64}/libvirt/* PUxr,
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/etc/libvirt/hooks/** rmix,
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/etc/xen/scripts/** rmix,
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# allow changing to our UUID-based named profiles
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change_profile -> @{LIBVIRT}-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*,
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}
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