Add support & documentation to run containers with different file types

Udica is adding new features to allow users to define container process
and file types. This would allow us to setup trusted communications channels
between multiple security domains.  ContainerA -> ContainerB -> ContainerC

Add tests to make sure users can change file types

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 11 insertions, 7 deletions

diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go
index 1eb9a6bf2..2730fcf4a 100644
--- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go
+++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go
@@ -13,11 +13,12 @@ import (
 
 // Valid Label Options
 var validOptions = map[string]bool{
-	"disable": true,
-	"type":    true,
-	"user":    true,
-	"role":    true,
-	"level":   true,
+	"disable":  true,
+	"type":     true,
+	"filetype": true,
+	"user":     true,
+	"role":     true,
+	"level":    true,
 }
 
 var ErrIncompatibleLabel = fmt.Errorf("Bad SELinux option z and Z can not be used together")
@@ -51,13 +52,16 @@ func InitLabels(options []string) (plabel string, mlabel string, Err error) {
 				return "", mountLabel, nil
 			}
 			if i := strings.Index(opt, ":"); i == -1 {
-				return "", "", fmt.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type' followed by ':' and a value", opt)
+				return "", "", fmt.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt)
 			}
 			con := strings.SplitN(opt, ":", 2)
 			if !validOptions[con[0]] {
-				return "", "", fmt.Errorf("Bad label option %q, valid options 'disable, user, role, level, type'", con[0])
+				return "", "", fmt.Errorf("Bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0])
 
 			}
+			if con[0] == "filetype" {
+				mcon["type"] = con[1]
+			}
 			pcon[con[0]] = con[1]
 			if con[0] == "level" || con[0] == "user" {
 				mcon[con[0]] = con[1]