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909f40da84
Now that we have 30faf968b1
this is no longer needed.
Fixes #3001
Signed-off-by: Maisem Ali <maisem@tailscale.com>
35 lines
784 B
Go
35 lines
784 B
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package groupmember verifies group membership of the provided user on the
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// local system.
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package groupmember
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import (
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"os/user"
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)
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// IsMemberOfGroup reports whether the provided user is a member of
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// the provided system group.
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func IsMemberOfGroup(group, userName string) (bool, error) {
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u, err := user.Lookup(userName)
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if err != nil {
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return false, err
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}
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ugids, err := u.GroupIds()
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if err != nil {
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return false, err
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}
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g, err := user.LookupGroup(group)
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if err != nil {
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return false, err
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}
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for _, ugid := range ugids {
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if g.Gid == ugid {
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return true, nil
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}
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}
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return false, nil
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}
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