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https://github.com/Luzifer/password.git
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49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
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// Copyright 2014 Jonas mg
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package osutil
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import (
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"errors"
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"os"
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"os/exec"
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)
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// Exec executes a command setting both standard input, output and error.
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func Exec(cmd string, args ...string) error {
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c := exec.Command(cmd, args...)
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c.Stdin = os.Stdin
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c.Stdout = os.Stdout
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c.Stderr = os.Stderr
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if err := c.Run(); err != nil {
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return err
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}
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return nil
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}
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// ExecSudo executes a command under "sudo".
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func ExecSudo(cmd string, args ...string) error {
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return Exec("sudo", append([]string{cmd}, args...)...)
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}
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// Sudo executes command "sudo".
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// If some command needs to use "sudo", then could be used this function at
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// the beginning so there is not to wait until that it been requested later.
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func Sudo() error {
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return Exec("sudo", "/bin/true")
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}
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var ErrNoRoot = errors.New("MUST have administrator privileges")
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// MustbeRoot returns an error message if the user is not root.
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func MustbeRoot() error {
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if os.Getuid() != 0 {
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return ErrNoRoot
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}
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return nil
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}
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