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Signed-off-by: Mike Brown <brownwm@us.ibm.com>
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// +build linux | ||
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package seccomp | ||
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import ( | ||
"context" | ||
"encoding/json" | ||
"fmt" | ||
"io/ioutil" | ||
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"github.com/containerd/containerd" | ||
"github.com/containerd/containerd/containers" | ||
"github.com/opencontainers/runtime-spec/specs-go" | ||
) | ||
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// 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) containerd.SpecOpts { | ||
return func(_ context.Context, _ *containerd.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 | ||
} | ||
} | ||
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// WithDefaultProfile sets the default seccomp profile to the spec. | ||
// Note: must follow the setting of process capabilities | ||
func WithDefaultProfile() containerd.SpecOpts { | ||
return func(_ context.Context, _ *containerd.Client, _ *containers.Container, s *specs.Spec) error { | ||
s.Linux.Seccomp = DefaultProfile(s) | ||
return nil | ||
} | ||
} |
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