41 lines
927 B
Go
41 lines
927 B
Go
package cmd
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import (
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"golang.org/x/term"
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)
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func promptPassword(username string) (string, error) {
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terminal, err := os.OpenFile("/dev/tty", os.O_RDWR, 0)
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if err != nil {
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return "", fmt.Errorf("cannot open terminal for password prompt\nhint: run 'kinit' for Kerberos auth")
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}
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oldState, err := term.MakeRaw(int(terminal.Fd()))
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if err != nil {
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return "", fmt.Errorf("setting terminal raw mode: %w", err)
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}
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-sigCh
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term.Restore(int(terminal.Fd()), oldState)
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os.Exit(1)
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}()
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fmt.Fprintf(terminal, "Password for %s: ", username)
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pw, err := term.ReadPassword(int(terminal.Fd()))
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fmt.Fprintf(terminal, "\r\n")
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signal.Stop(sigCh)
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term.Restore(int(terminal.Fd()), oldState)
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if err != nil {
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return "", fmt.Errorf("reading password: %w", err)
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}
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return string(pw), nil
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}
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