dotcloud/docker

package daemon // import "github.com/docker/docker/daemon"

import (
    "context"
    "fmt"

    "github.com/containerd/containerd/containers"
    coci "github.com/containerd/containerd/oci"
    "github.com/containerd/log"
    "github.com/docker/docker/container"
    dconfig "github.com/docker/docker/daemon/config"
    "github.com/docker/docker/profiles/seccomp"
    specs "github.com/opencontainers/runtime-spec/specs-go"
)

const supportsSeccomp = true

// WithSeccomp sets the seccomp profile
func WithSeccomp(daemon *Daemon, c *container.Container) coci.SpecOpts {
    return func(ctx context.Context, _ coci.Client, _ *containers.Container, s *coci.Spec) error {
        if c.SeccompProfile == dconfig.SeccompProfileUnconfined {
            return nil
        }
        if c.HostConfig.Privileged {
            var err error
            if c.SeccompProfile != "" {
                s.Linux.Seccomp, err = seccomp.LoadProfile(c.SeccompProfile, s)
            }
            return err
        }
        if !daemon.RawSysInfo().Seccomp {
            if c.SeccompProfile != "" && c.SeccompProfile != dconfig.SeccompProfileDefault {
                return fmt.Errorf("seccomp is not enabled in your kernel, cannot run a custom seccomp profile")
            }
            log.G(ctx).Warn("seccomp is not enabled in your kernel, running container without default profile")
            c.SeccompProfile = dconfig.SeccompProfileUnconfined
            return nil
        }
        if s.Linux == nil {
            s.Linux = &specs.Linux{}
        }
        var err error
        switch {
        case c.SeccompProfile == dconfig.SeccompProfileDefault:
            s.Linux.Seccomp, err = seccomp.GetDefaultProfile(s)
        case c.SeccompProfile != "":
            s.Linux.Seccomp, err = seccomp.LoadProfile(c.SeccompProfile, s)
        case daemon.seccompProfile != nil:
            s.Linux.Seccomp, err = seccomp.LoadProfile(string(daemon.seccompProfile), s)
        case daemon.seccompProfilePath == dconfig.SeccompProfileUnconfined:
            c.SeccompProfile = dconfig.SeccompProfileUnconfined
        default:
            s.Linux.Seccomp, err = seccomp.GetDefaultProfile(s)
        }
        return err
    }
}