diff --git a/pkg/plugin/installer/http_installer.go b/pkg/plugin/installer/http_installer.go index 629bbec39..c07cad80a 100644 --- a/pkg/plugin/installer/http_installer.go +++ b/pkg/plugin/installer/http_installer.go @@ -188,6 +188,9 @@ func (g *TarGzExtractor) Extract(buffer *bytes.Buffer, targetDir string) error { return err } outFile.Close() + // We don't want to process these extension header files. + case tar.TypeXGlobalHeader, tar.TypeXHeader: + continue default: return errors.Errorf("unknown type: %b in %s", header.Typeflag, header.Name) } diff --git a/pkg/plugin/installer/http_installer_test.go b/pkg/plugin/installer/http_installer_test.go index b496a1b01..99470ace6 100644 --- a/pkg/plugin/installer/http_installer_test.go +++ b/pkg/plugin/installer/http_installer_test.go @@ -222,6 +222,19 @@ func TestExtract(t *testing.T) { t.Fatal(err) } } + + // Add pax global headers. This should be ignored. + // Note the PAX header that isn't global cannot be written using WriteHeader. + // Details are in the internal Go function for the tar packaged named + // allowedFormats. For a TypeXHeader it will return a message stating + // "cannot manually encode TypeXHeader, TypeGNULongName, or TypeGNULongLink headers" + if err := tw.WriteHeader(&tar.Header{ + Name: "pax_global_header", + Typeflag: tar.TypeXGlobalHeader, + }); err != nil { + t.Fatal(err) + } + if err := tw.Close(); err != nil { t.Fatal(err) }