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Diffstat (limited to 'server/apparmor/apparmor_supported.go')
-rw-r--r--server/apparmor/apparmor_supported.go145
1 files changed, 0 insertions, 145 deletions
diff --git a/server/apparmor/apparmor_supported.go b/server/apparmor/apparmor_supported.go
deleted file mode 100644
index d765c9de9..000000000
--- a/server/apparmor/apparmor_supported.go
+++ /dev/null
@@ -1,145 +0,0 @@
-// +build apparmor
-
-package apparmor
-
-import (
- "bufio"
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "path"
- "strings"
-
- "github.com/docker/docker/utils/templates"
- "github.com/opencontainers/runc/libcontainer/apparmor"
-)
-
-const (
- // profileDirectory is the file store for apparmor profiles and macros.
- profileDirectory = "/etc/apparmor.d"
-)
-
-// profileData holds information about the given profile for generation.
-type profileData struct {
- // Name is profile name.
- Name string
- // Imports defines the apparmor functions to import, before defining the profile.
- Imports []string
- // InnerImports defines the apparmor functions to import in the profile.
- InnerImports []string
- // Version is the {major, minor, patch} version of apparmor_parser as a single number.
- Version int
-}
-
-// EnsureDefaultApparmorProfile loads default apparmor profile, if it is not loaded.
-func EnsureDefaultApparmorProfile() error {
- if apparmor.IsEnabled() {
- loaded, err := IsLoaded(DefaultApparmorProfile)
- if err != nil {
- return fmt.Errorf("Could not check if %s AppArmor profile was loaded: %s", DefaultApparmorProfile, err)
- }
-
- // Nothing to do.
- if loaded {
- return nil
- }
-
- // Load the profile.
- if err := InstallDefault(DefaultApparmorProfile); err != nil {
- return fmt.Errorf("AppArmor enabled on system but the %s profile could not be loaded.", DefaultApparmorProfile)
- }
- }
-
- return nil
-}
-
-// IsEnabled returns true if apparmor is enabled for the host.
-func IsEnabled() bool {
- return apparmor.IsEnabled()
-}
-
-// GetProfileNameFromPodAnnotations gets the name of the profile to use with container from
-// pod annotations
-func GetProfileNameFromPodAnnotations(annotations map[string]string, containerName string) string {
- return annotations[ContainerAnnotationKeyPrefix+containerName]
-}
-
-// InstallDefault generates a default profile in a temp directory determined by
-// os.TempDir(), then loads the profile into the kernel using 'apparmor_parser'.
-func InstallDefault(name string) error {
- p := profileData{
- Name: name,
- }
-
- // Install to a temporary directory.
- f, err := ioutil.TempFile("", name)
- if err != nil {
- return err
- }
- defer f.Close()
-
- if err := p.generateDefault(f); err != nil {
- return err
- }
-
- return LoadProfile(f.Name())
-}
-
-// IsLoaded checks if a profile with the given name has been loaded into the
-// kernel.
-func IsLoaded(name string) (bool, error) {
- file, err := os.Open("/sys/kernel/security/apparmor/profiles")
- if err != nil {
- return false, err
- }
- defer file.Close()
-
- r := bufio.NewReader(file)
- for {
- p, err := r.ReadString('\n')
- if err == io.EOF {
- break
- }
- if err != nil {
- return false, err
- }
- if strings.HasPrefix(p, name+" ") {
- return true, nil
- }
- }
-
- return false, nil
-}
-
-// generateDefault creates an apparmor profile from ProfileData.
-func (p *profileData) generateDefault(out io.Writer) error {
- compiled, err := templates.NewParse("apparmor_profile", baseTemplate)
- if err != nil {
- return err
- }
-
- if macroExists("tunables/global") {
- p.Imports = append(p.Imports, "#include <tunables/global>")
- } else {
- p.Imports = append(p.Imports, "@{PROC}=/proc/")
- }
-
- if macroExists("abstractions/base") {
- p.InnerImports = append(p.InnerImports, "#include <abstractions/base>")
- }
-
- ver, err := GetVersion()
- if err != nil {
- return err
- }
- p.Version = ver
-
- return compiled.Execute(out, p)
-}
-
-// macrosExists checks if the passed macro exists.
-func macroExists(m string) bool {
- _, err := os.Stat(path.Join(profileDirectory, m))
- return err == nil
-}