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