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-rw-r--r--vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/ssh/terminal/util.go116
1 files changed, 0 insertions, 116 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/ssh/terminal/util.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/ssh/terminal/util.go
deleted file mode 100644
index 02dad484e..000000000
--- a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/ssh/terminal/util.go
+++ /dev/null
@@ -1,116 +0,0 @@
-// Copyright 2011 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 darwin dragonfly freebsd linux,!appengine netbsd openbsd
-
-// Package terminal provides support functions for dealing with terminals, as
-// commonly found on UNIX systems.
-//
-// Putting a terminal into raw mode is the most common requirement:
-//
-// oldState, err := terminal.MakeRaw(0)
-// if err != nil {
-// panic(err)
-// }
-// defer terminal.Restore(0, oldState)
-package terminal // import "golang.org/x/crypto/ssh/terminal"
-
-import (
- "golang.org/x/sys/unix"
-)
-
-// State contains the state of a terminal.
-type State struct {
- termios unix.Termios
-}
-
-// IsTerminal returns true if the given file descriptor is a terminal.
-func IsTerminal(fd int) bool {
- _, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
- return err == nil
-}
-
-// MakeRaw put the terminal connected to the given file descriptor into raw
-// mode and returns the previous state of the terminal so that it can be
-// restored.
-func MakeRaw(fd int) (*State, error) {
- termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
- if err != nil {
- return nil, err
- }
-
- oldState := State{termios: *termios}
-
- // This attempts to replicate the behaviour documented for cfmakeraw in
- // the termios(3) manpage.
- termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
- termios.Oflag &^= unix.OPOST
- termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
- termios.Cflag &^= unix.CSIZE | unix.PARENB
- termios.Cflag |= unix.CS8
- termios.Cc[unix.VMIN] = 1
- termios.Cc[unix.VTIME] = 0
- if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, termios); err != nil {
- return nil, err
- }
-
- return &oldState, nil
-}
-
-// GetState returns the current state of a terminal which may be useful to
-// restore the terminal after a signal.
-func GetState(fd int) (*State, error) {
- termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
- if err != nil {
- return nil, err
- }
-
- return &State{termios: *termios}, nil
-}
-
-// Restore restores the terminal connected to the given file descriptor to a
-// previous state.
-func Restore(fd int, state *State) error {
- return unix.IoctlSetTermios(fd, ioctlWriteTermios, &state.termios)
-}
-
-// GetSize returns the dimensions of the given terminal.
-func GetSize(fd int) (width, height int, err error) {
- ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
- if err != nil {
- return -1, -1, err
- }
- return int(ws.Col), int(ws.Row), nil
-}
-
-// passwordReader is an io.Reader that reads from a specific file descriptor.
-type passwordReader int
-
-func (r passwordReader) Read(buf []byte) (int, error) {
- return unix.Read(int(r), buf)
-}
-
-// 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) {
- termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
- if err != nil {
- return nil, err
- }
-
- newState := *termios
- newState.Lflag &^= unix.ECHO
- newState.Lflag |= unix.ICANON | unix.ISIG
- newState.Iflag |= unix.ICRNL
- if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, &newState); err != nil {
- return nil, err
- }
-
- defer func() {
- unix.IoctlSetTermios(fd, ioctlWriteTermios, termios)
- }()
-
- return readPasswordLine(passwordReader(fd))
-}