forked from containerd/containerd
/
seccomp.go
40 lines (35 loc) · 1.22 KB
/
seccomp.go
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// +build linux
package seccomp
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/oci"
"github.com/opencontainers/runtime-spec/specs-go"
)
// WithProfile receives the name of a file stored on disk comprising a json
// formated seccomp profile, as specified by the opencontainers/runtime-spec.
// The profile is read from the file, unmarshaled, and set to the spec.
func WithProfile(profile string) oci.SpecOpts {
return func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
s.Linux.Seccomp = &specs.LinuxSeccomp{}
f, err := ioutil.ReadFile(profile)
if err != nil {
return fmt.Errorf("Cannot load seccomp profile %q: %v", profile, err)
}
if err := json.Unmarshal(f, s.Linux.Seccomp); err != nil {
return fmt.Errorf("Decoding seccomp profile failed %q: %v", profile, err)
}
return nil
}
}
// WithDefaultProfile sets the default seccomp profile to the spec.
// Note: must follow the setting of process capabilities
func WithDefaultProfile() oci.SpecOpts {
return func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
s.Linux.Seccomp = DefaultProfile(s)
return nil
}
}