mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-24 21:14:00 +00:00
44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
|
/**
|
||
|
|
# Copyright (c) NVIDIA CORPORATION. All rights reserved.
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
**/
|
||
|
|
|
||
|
|
package image
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/opencontainers/runtime-spec/specs-go"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
capSysAdmin = "CAP_SYS_ADMIN"
|
||
|
|
)
|
||
|
|
|
||
|
|
// IsPrivileged returns true if the container is a privileged container.
|
||
|
|
func IsPrivileged(s *specs.Spec) bool {
|
||
|
|
if s.Process.Capabilities == nil {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
// We only make sure that the bounding capabibility set has
|
||
|
|
// CAP_SYS_ADMIN. This allows us to make sure that the container was
|
||
|
|
// actually started as '--privileged', but also allow non-root users to
|
||
|
|
// access the privileged NVIDIA capabilities.
|
||
|
|
for _, c := range s.Process.Capabilities.Bounding {
|
||
|
|
if c == capSysAdmin {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|