mirror of https://github.com/k3s-io/k3s
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
// +build windows
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package preflight
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import (
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"fmt"
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"os/exec"
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"strings"
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)
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// Check validates if an user has elevated (administrator) privileges.
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func (ipuc IsPrivilegedUserCheck) Check() (warnings, errors []error) {
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errors = []error{}
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// The "Well-known SID" of Administrator group is S-1-5-32-544
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// The following powershell will return "True" if run as an administrator, "False" otherwise
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// See https://msdn.microsoft.com/en-us/library/cc980032.aspx
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args := []string{"[bool](([System.Security.Principal.WindowsIdentity]::GetCurrent()).groups -match \"S-1-5-32-544\")"}
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isAdmin, err := exec.Command("powershell", args...).Output()
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if err != nil {
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errors = append(errors, fmt.Errorf("unable to determine if user is running as administrator: %s", err))
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} else if strings.EqualFold(strings.TrimSpace(string(isAdmin)), "false") {
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errors = append(errors, fmt.Errorf("user is not running as administrator"))
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}
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return nil, errors
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}
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