# Copyright 2018, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

module osa-nova 1.0;

require {
        type nova_var_lib_t;
        type virtd_t;
        type svirt_tcg_t;
        type virtlogd_t;
        class capability dac_override;
        class file { append create getattr open read unlink };
        class dir { add_name remove_name search write };
}

# NOTE(mhayden): These policies give non-KVM qemu instances the ability to use
# the execmem() syscall and perform other actions. This affects deployers who
# do not have native KVM capabilities on the hypervisor (such as the
# OpenStack) gate jobs.
#============= svirt_tcg_t ==============
allow svirt_tcg_t virtd_t:dir search;
allow svirt_tcg_t virtd_t:file read;
allow svirt_tcg_t virtd_t:file { getattr open };

# NOTE(mhayden): This set of policies allows virtlogd (the daemon that
# handles console logs for KVM instances) to take various actions under
# /var/log/nova.
#============= virtlogd_t ==============
allow virtlogd_t nova_var_lib_t:dir { add_name remove_name search write };
allow virtlogd_t nova_var_lib_t:file { append create getattr open unlink };
allow virtlogd_t self:capability dac_override;