podman/pkg/selinux/selinux.go

41 lines
985 B
Go

package selinux
import (
"github.com/opencontainers/selinux/go-selinux"
)
// KVMLabel returns labels for running kvm isolated containers
func KVMLabel(cLabel string) (string, error) {
if cLabel == "" {
// selinux is disabled
return "", nil
}
processLabel, _ := selinux.KVMContainerLabels()
selinux.ReleaseLabel(processLabel)
return swapSELinuxLabel(cLabel, processLabel)
}
// InitLabel returns labels for running systemd based containers
func InitLabel(cLabel string) (string, error) {
if cLabel == "" {
// selinux is disabled
return "", nil
}
processLabel, _ := selinux.InitContainerLabels()
selinux.ReleaseLabel(processLabel)
return swapSELinuxLabel(cLabel, processLabel)
}
func swapSELinuxLabel(cLabel, processLabel string) (string, error) {
dcon, err := selinux.NewContext(cLabel)
if err != nil {
return "", err
}
scon, err := selinux.NewContext(processLabel)
if err != nil {
return "", err
}
dcon["type"] = scon["type"]
return dcon.Get(), nil
}