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https://github.com/NVIDIA/nvidia-container-toolkit
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98a860c564
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Signed-off-by: Carlos Eduardo Arango Gutierrez <eduardoa@nvidia.com> Signed-off-by: Evan Lezar <elezar@nvidia.com>
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
/**
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# Copyright (c) NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package image
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import "github.com/opencontainers/runtime-spec/specs-go"
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const (
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capSysAdmin = "CAP_SYS_ADMIN"
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)
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type CapabilitiesGetter interface {
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GetCapabilities() []string
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}
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type OCISpec specs.Spec
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type OCISpecCapabilities specs.LinuxCapabilities
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// IsPrivileged returns true if the container is a privileged container.
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func IsPrivileged(s CapabilitiesGetter) bool {
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if s == nil {
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return false
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}
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for _, c := range s.GetCapabilities() {
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if c == capSysAdmin {
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return true
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}
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}
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return false
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}
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func (s OCISpec) GetCapabilities() []string {
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if s.Process == nil || s.Process.Capabilities == nil {
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return nil
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}
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return (*OCISpecCapabilities)(s.Process.Capabilities).GetCapabilities()
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}
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func (c OCISpecCapabilities) GetCapabilities() []string {
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// We only make sure that the bounding capabibility set has
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// CAP_SYS_ADMIN. This allows us to make sure that the container was
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// actually started as '--privileged', but also allow non-root users to
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// access the privileged NVIDIA capabilities.
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return c.Bounding
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}
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