1 files changed, 84 insertions, 0 deletions
diff --git a/pkg/spec/config_linux.go b/pkg/spec/config_linux.go
new file mode 100644
index 000000000..69b99232f
--- /dev/null
+++ b/pkg/spec/config_linux.go
@@ -0,0 +1,84 @@
+// +build linux
+
+package createconfig
+
+import (
+	"io/ioutil"
+
+	"github.com/docker/docker/profiles/seccomp"
+	"github.com/opencontainers/runc/libcontainer/configs"
+	"github.com/opencontainers/runc/libcontainer/devices"
+	spec "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/opencontainers/runtime-tools/generate"
+	"github.com/pkg/errors"
+)
+
+// Device transforms a libcontainer configs.Device to a specs.LinuxDevice object.
+func Device(d *configs.Device) spec.LinuxDevice {
+	return spec.LinuxDevice{
+		Type:     string(d.Type),
+		Path:     d.Path,
+		Major:    d.Major,
+		Minor:    d.Minor,
+		FileMode: fmPtr(int64(d.FileMode)),
+		UID:      u32Ptr(int64(d.Uid)),
+		GID:      u32Ptr(int64(d.Gid)),
+	}
+}
+
+func addDevice(g *generate.Generator, device string) error {
+	dev, err := devices.DeviceFromPath(device, "rwm")
+	if err != nil {
+		return errors.Wrapf(err, "%s is not a valid device", device)
+	}
+	linuxdev := spec.LinuxDevice{
+		Path:     dev.Path,
+		Type:     string(dev.Type),
+		Major:    dev.Major,
+		Minor:    dev.Minor,
+		FileMode: &dev.FileMode,
+		UID:      &dev.Uid,
+		GID:      &dev.Gid,
+	}
+	g.AddDevice(linuxdev)
+	g.AddLinuxResourcesDevice(true, string(dev.Type), &dev.Major, &dev.Minor, dev.Permissions)
+	return nil
+}
+
+// AddPrivilegedDevices iterates through host devices and adds all
+// host devices to the spec
+func (c *CreateConfig) AddPrivilegedDevices(g *generate.Generator) error {
+	hostDevices, err := devices.HostDevices()
+	if err != nil {
+		return err
+	}
+	g.ClearLinuxDevices()
+	for _, d := range hostDevices {
+		g.AddDevice(Device(d))
+	}
+	g.AddLinuxResourcesDevice(true, "", nil, nil, "rwm")
+	return nil
+}
+
+func getSeccompConfig(config *CreateConfig, configSpec *spec.Spec) (*spec.LinuxSeccomp, error) {
+	var seccompConfig *spec.LinuxSeccomp
+	var err error
+
+	if config.SeccompProfilePath != "" {
+		seccompProfile, err := ioutil.ReadFile(config.SeccompProfilePath)
+		if err != nil {
+			return nil, errors.Wrapf(err, "opening seccomp profile (%s) failed", config.SeccompProfilePath)
+		}
+		seccompConfig, err = seccomp.LoadProfile(string(seccompProfile), configSpec)
+		if err != nil {
+			return nil, errors.Wrapf(err, "loading seccomp profile (%s) failed", config.SeccompProfilePath)
+		}
+	} else {
+		seccompConfig, err = seccomp.GetDefaultProfile(configSpec)
+		if err != nil {
+			return nil, errors.Wrapf(err, "loading seccomp profile (%s) failed", config.SeccompProfilePath)
+		}
+	}
+
+	return seccompConfig, nil
+}