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|
// +build selinux,linux
package label
import (
"fmt"
"github.com/dotcloud/docker/pkg/selinux"
"strings"
)
func GenLabels(options string) (string, string, error) {
if !selinux.SelinuxEnabled() {
return "", "", nil
}
var err error
processLabel, mountLabel := selinux.GetLxcContexts()
if processLabel != "" {
var (
s = strings.Fields(options)
l = len(s)
)
if l > 0 {
pcon := selinux.NewContext(processLabel)
for i := 0; i < l; i++ {
o := strings.Split(s[i], "=")
pcon[o[0]] = o[1]
}
processLabel = pcon.Get()
mountLabel, err = selinux.CopyLevel(processLabel, mountLabel)
}
}
return processLabel, mountLabel, err
}
func FormatMountLabel(src string, mountLabel string) string {
if selinux.SelinuxEnabled() && mountLabel != "" {
switch src {
case "":
src = fmt.Sprintf("%s,context=%s", src, mountLabel)
default:
src = fmt.Sprintf("context=%s", mountLabel)
}
}
return src
}
func SetProcessLabel(processLabel string) error {
if selinux.SelinuxEnabled() {
return selinux.Setexeccon(processLabel)
}
return nil
}
func GetProcessLabel() (string, error) {
if selinux.SelinuxEnabled() {
return selinux.Getexeccon()
}
return "", nil
}
func SetFileLabel(path string, fileLabel string) error {
if selinux.SelinuxEnabled() && fileLabel != "" {
return selinux.Setfilecon(path, fileLabel)
}
return nil
}
func GetPidCon(pid int) (string, error) {
if !selinux.SelinuxEnabled() {
return "", nil
}
return selinux.Getpidcon(pid)
}
func Init() {
selinux.SelinuxEnabled()
}
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