Are there any other requirements that need to be taken care of to enable execution of QEMU guests under separate unprivileged user IDs (ie. DAC isolation)? At this point, this patch series (Per-guest configurable user/group for QEMU processes) is upstream, allowing libvirt to execute guests under separate unprivileged user IDs. Additionally, the QEMU bridge helper series is upstream, allowing QEMU to allocate a tap device and attach it to a bridge when run under an unprivileged user ID (http://www.redhat.com/archives/libvir-list/2012-August/msg00277.html). Is there any other feature in QEMU that requires QEMU to be run as root? -- Regards, Corey On 08/15/2012 06:10 PM, Marcelo Cerri wrote:
This is a v4 patch series that updates the libvirt's security driver mechanism to support per-guest configurable user and group for QEMU processes running together with other security drivers, such as SELinux and AppArmor.
Marcelo Cerri (5): Internal refactory of data structures Multiple security drivers in XML data Update security layer to handle many security labels Support for multiple default security drivers in QEMU config Update the remote API
daemon/remote.c | 63 ++++ docs/formatdomain.html.in | 11 +- docs/schemas/capability.rng | 18 +- docs/schemas/domaincommon.rng | 30 ++- include/libvirt/libvirt.h.in | 2 + python/generator.py | 1 + src/conf/capabilities.c | 17 +- src/conf/capabilities.h | 6 +- src/conf/domain_audit.c | 14 +- src/conf/domain_conf.c | 343 +++++++++++++++----- src/conf/domain_conf.h | 20 +- src/driver.h | 4 + src/libvirt.c | 47 +++ src/libvirt_private.syms | 5 + src/libvirt_public.syms | 1 + src/lxc/lxc_conf.c | 8 +- src/lxc/lxc_controller.c | 8 +- src/lxc/lxc_driver.c | 11 +- src/lxc/lxc_process.c | 23 +- src/qemu/qemu.conf | 6 +- src/qemu/qemu_conf.c | 38 ++- src/qemu/qemu_conf.h | 2 +- src/qemu/qemu_driver.c | 218 +++++++++++--- src/qemu/qemu_process.c | 50 ++- src/remote/remote_driver.c | 46 +++ src/remote/remote_protocol.x | 17 +- src/remote_protocol-structs | 11 + src/security/security_apparmor.c | 118 +++++-- src/security/security_dac.c | 324 +++++++++++++++++-- src/security/security_manager.c | 101 +++++-- src/security/security_manager.h | 8 +- src/security/security_selinux.c | 263 +++++++++++----- src/security/security_stack.c | 237 +++++++++----- src/security/security_stack.h | 13 + src/test/test_driver.c | 11 +- .../qemuxml2argv-seclabel-dynamic-override.xml | 4 +- .../qemuxml2argv-seclabel-dynamic.xml | 2 +- 37 files changed, 1653 insertions(+), 448 deletions(-)
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