57 lines
1.8 KiB
Go
57 lines
1.8 KiB
Go
// +build linux
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/*
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Copyright The containerd Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 seccomp
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import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/containerd/oci"
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"github.com/opencontainers/runtime-spec/specs-go"
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)
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// WithProfile receives the name of a file stored on disk comprising a json
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// formatted seccomp profile, as specified by the opencontainers/runtime-spec.
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// The profile is read from the file, unmarshaled, and set to the spec.
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func WithProfile(profile string) oci.SpecOpts {
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return func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
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s.Linux.Seccomp = &specs.LinuxSeccomp{}
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f, err := ioutil.ReadFile(profile)
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if err != nil {
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return fmt.Errorf("cannot load seccomp profile %q: %v", profile, err)
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}
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if err := json.Unmarshal(f, s.Linux.Seccomp); err != nil {
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return fmt.Errorf("decoding seccomp profile failed %q: %v", profile, err)
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}
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return nil
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}
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}
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// WithDefaultProfile sets the default seccomp profile to the spec.
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// Note: must follow the setting of process capabilities
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func WithDefaultProfile() oci.SpecOpts {
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return func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
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s.Linux.Seccomp = DefaultProfile(s)
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return nil
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}
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}
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