feat(windows): support Windows

config/windows.go

@@ -0,0 +1,27 @@
+package config
+
+import (
+	"os"
+
+	"golang.org/x/xerrors"
+)
+
+// WindowsConf used for Windows Update Setting
+type WindowsConf struct {
+	ServerSelection int    `toml:"serverSelection,omitempty" json:"serverSelection,omitempty"`
+	CabPath         string `toml:"cabPath,omitempty" json:"cabPath,omitempty"`
+}
+
+// Validate validates configuration
+func (c *WindowsConf) Validate() []error {
+	switch c.ServerSelection {
+	case 0, 1, 2:
+	case 3:
+		if _, err := os.Stat(c.CabPath); err != nil {
+			return []error{xerrors.Errorf("%s does not exist. err: %w", c.CabPath, err)}
+		}
+	default:
+		return []error{xerrors.Errorf("ServerSelection: %d does not support . Reference: https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-uamg/07e2bfa4-6795-4189-b007-cc50b476181a", c.ServerSelection)}
+	}
+	return nil
+}