Merge pull request #44848 from thaJeztah/23.0_backport_skip_lookup_on_windows

[23.0 backport] Disable chrootarchive.init() on Windows

pkg/chrootarchive/archive.go

@@ -3,22 +3,13 @@ package chrootarchive // import "github.com/docker/docker/pkg/chrootarchive"
 import (
 	"fmt"
 	"io"
-	"net"
 	"os"
-	"os/user"
 	"path/filepath"
 
 	"github.com/docker/docker/pkg/archive"
 	"github.com/docker/docker/pkg/idtools"
 )
 
-func init() {
-	// initialize nss libraries in Glibc so that the dynamic libraries are loaded in the host
-	// environment not in the chroot from untrusted files.
-	_, _ = user.Lookup("docker")
-	_, _ = net.LookupHost("localhost")
-}
-
 // NewArchiver returns a new Archiver which uses chrootarchive.Untar
 func NewArchiver(idMapping idtools.IdentityMapping) *archive.Archiver {
 	return &archive.Archiver{

pkg/chrootarchive/archive_unix.go

@@ -9,7 +9,9 @@ import (
 	"flag"
 	"fmt"
 	"io"
+	"net"
 	"os"
+	"os/user"
 	"path/filepath"
 	"runtime"
 	"strings"
@@ -19,6 +21,13 @@ import (
 	"github.com/pkg/errors"
 )
 
+func init() {
+	// initialize nss libraries in Glibc so that the dynamic libraries are loaded in the host
+	// environment not in the chroot from untrusted files.
+	_, _ = user.Lookup("docker")
+	_, _ = net.LookupHost("localhost")
+}
+
 // untar is the entry-point for docker-untar on re-exec. This is not used on
 // Windows as it does not support chroot, hence no point sandboxing through
 // chroot and rexec.