nvidia-container-toolkit/internal/config/image/privileged.go

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/**
# 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
}