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