// Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build solaris package terminal // import "github.com/zmap/zgrab2/lib/terminal" import ( "golang.org/x/sys/unix" "io" "syscall" ) // State contains the state of a terminal. type State struct { termios syscall.Termios } // IsTerminal returns true if the given file descriptor is a terminal. func IsTerminal(fd int) bool { // see: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libbc/libc/gen/common/isatty.c var termio unix.Termio err := unix.IoctlSetTermio(fd, unix.TCGETA, &termio) return err == nil } // ReadPassword reads a line of input from a terminal without local echo. This // is commonly used for inputting passwords and other sensitive data. The slice // returned does not include the \n. func ReadPassword(fd int) ([]byte, error) { // see also: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c val, err := unix.IoctlGetTermios(fd, unix.TCGETS) if err != nil { return nil, err } oldState := *val newState := oldState newState.Lflag &^= syscall.ECHO newState.Lflag |= syscall.ICANON | syscall.ISIG newState.Iflag |= syscall.ICRNL err = unix.IoctlSetTermios(fd, unix.TCSETS, &newState) if err != nil { return nil, err } defer unix.IoctlSetTermios(fd, unix.TCSETS, &oldState) var buf [16]byte var ret []byte for { n, err := syscall.Read(fd, buf[:]) if err != nil { return nil, err } if n == 0 { if len(ret) == 0 { return nil, io.EOF } break } if buf[n-1] == '\n' { n-- } ret = append(ret, buf[:n]...) if n < len(buf) { break } } return ret, nil }