// +build windows
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package speakeasy
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import (
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"syscall"
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)
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// SetConsoleMode function can be used to change value of ENABLE_ECHO_INPUT:
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// http://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
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const ENABLE_ECHO_INPUT = 0x0004
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func getPassword() (password string, err error) {
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var oldMode uint32
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err = syscall.GetConsoleMode(syscall.Stdin, &oldMode)
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if err != nil {
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return
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}
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var newMode uint32 = (oldMode &^ ENABLE_ECHO_INPUT)
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err = setConsoleMode(syscall.Stdin, newMode)
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defer setConsoleMode(syscall.Stdin, oldMode)
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if err != nil {
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return
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}
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return readline()
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}
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func setConsoleMode(console syscall.Handle, mode uint32) (err error) {
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dll := syscall.MustLoadDLL("kernel32")
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proc := dll.MustFindProc("SetConsoleMode")
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r, _, err := proc.Call(uintptr(console), uintptr(mode))
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if r == 0 {
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return err
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}
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return nil
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}
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