WIP: acl interceptor and named pipe ui

client/server/profile_authz_windows.go

@@ -0,0 +1,18 @@
+//go:build windows
+
+package server
+
+import (
+	"os/user"
+
+	"github.com/netbirdio/netbird/client/internal/ipcauth"
+)
+
+// usernameForIdentity resolves a Windows caller's SID to its account name.
+func usernameForIdentity(id ipcauth.Identity) (string, error) {
+	u, err := user.LookupId(id.SID)
+	if err != nil {
+		return "", err
+	}
+	return u.Username, nil
+}