53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
|
// +build linux
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2014 The Kubernetes Authors.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package selinux
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/opencontainers/runc/libcontainer/selinux"
|
||
|
|
)
|
||
|
|
|
||
|
|
// SELinuxEnabled returns whether SELinux is enabled on the system. SELinux
|
||
|
|
// has a tri-state:
|
||
|
|
//
|
||
|
|
// 1. disabled: SELinux Kernel modules not loaded, SELinux policy is not
|
||
|
|
// checked during Kernel MAC checks
|
||
|
|
// 2. enforcing: Enabled; SELinux policy violations are denied and logged
|
||
|
|
// in the audit log
|
||
|
|
// 3. permissive: Enabled, but SELinux policy violations are permitted and
|
||
|
|
// logged in the audit log
|
||
|
|
//
|
||
|
|
// SELinuxEnabled returns true if SELinux is enforcing or permissive, and
|
||
|
|
// false if it is disabled.
|
||
|
|
func SELinuxEnabled() bool {
|
||
|
|
return selinux.SelinuxEnabled()
|
||
|
|
}
|
||
|
|
|
||
|
|
// realSELinuxRunner is the real implementation of SELinuxRunner interface for
|
||
|
|
// Linux.
|
||
|
|
type realSELinuxRunner struct{}
|
||
|
|
|
||
|
|
var _ SELinuxRunner = &realSELinuxRunner{}
|
||
|
|
|
||
|
|
func (_ *realSELinuxRunner) Getfilecon(path string) (string, error) {
|
||
|
|
if !SELinuxEnabled() {
|
||
|
|
return "", nil
|
||
|
|
}
|
||
|
|
return selinux.Getfilecon(path)
|
||
|
|
}
|