1 //go:build windows 2 // +build windows 3 4 /* 5 Copyright 2017 The Kubernetes Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 */ 19 20 package preflight 21 22 import ( 23 "os/user" 24 25 "github.com/pkg/errors" 26 ) 27 28 // The "Well-known SID" of Administrator group 29 // https://support.microsoft.com/en-us/help/243330/well-known-security-identifiers-in-windows-operating-systems 30 const administratorSID = "S-1-5-32-544" 31 32 // Check validates if a user has elevated (administrator) privileges. 33 func (ipuc IsPrivilegedUserCheck) Check() (warnings, errorList []error) { 34 currUser, err := user.Current() 35 if err != nil { 36 return nil, []error{errors.Wrap(err, "cannot get current user")} 37 } 38 39 groupIds, err := currUser.GroupIds() 40 if err != nil { 41 return nil, []error{errors.Wrap(err, "cannot get group IDs for current user")} 42 } 43 44 for _, sid := range groupIds { 45 if sid == administratorSID { 46 return nil, nil 47 } 48 } 49 50 return nil, []error{errors.New("user is not running as administrator")} 51 } 52 53 // Check number of memory required by kubeadm 54 // No-op for Windows. 55 func (mc MemCheck) Check() (warnings, errorList []error) { 56 return nil, nil 57 } 58