github.com/rumpl/bof@v23.0.0-rc.2+incompatible/daemon/seccomp_linux.go (about)

     1  package daemon // import "github.com/docker/docker/daemon"
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  
     7  	"github.com/containerd/containerd/containers"
     8  	coci "github.com/containerd/containerd/oci"
     9  	"github.com/docker/docker/container"
    10  	dconfig "github.com/docker/docker/daemon/config"
    11  	"github.com/docker/docker/profiles/seccomp"
    12  	"github.com/sirupsen/logrus"
    13  )
    14  
    15  const supportsSeccomp = true
    16  
    17  // WithSeccomp sets the seccomp profile
    18  func WithSeccomp(daemon *Daemon, c *container.Container) coci.SpecOpts {
    19  	return func(ctx context.Context, _ coci.Client, _ *containers.Container, s *coci.Spec) error {
    20  		if c.SeccompProfile == dconfig.SeccompProfileUnconfined {
    21  			return nil
    22  		}
    23  		if c.HostConfig.Privileged {
    24  			return nil
    25  		}
    26  		if !daemon.RawSysInfo().Seccomp {
    27  			if c.SeccompProfile != "" && c.SeccompProfile != dconfig.SeccompProfileDefault {
    28  				return fmt.Errorf("seccomp is not enabled in your kernel, cannot run a custom seccomp profile")
    29  			}
    30  			logrus.Warn("seccomp is not enabled in your kernel, running container without default profile")
    31  			c.SeccompProfile = dconfig.SeccompProfileUnconfined
    32  			return nil
    33  		}
    34  		var err error
    35  		switch {
    36  		case c.SeccompProfile == dconfig.SeccompProfileDefault:
    37  			s.Linux.Seccomp, err = seccomp.GetDefaultProfile(s)
    38  		case c.SeccompProfile != "":
    39  			s.Linux.Seccomp, err = seccomp.LoadProfile(c.SeccompProfile, s)
    40  		case daemon.seccompProfile != nil:
    41  			s.Linux.Seccomp, err = seccomp.LoadProfile(string(daemon.seccompProfile), s)
    42  		case daemon.seccompProfilePath == dconfig.SeccompProfileUnconfined:
    43  			c.SeccompProfile = dconfig.SeccompProfileUnconfined
    44  		default:
    45  			s.Linux.Seccomp, err = seccomp.GetDefaultProfile(s)
    46  		}
    47  		return err
    48  	}
    49  }