Update dependencies to K8s 1.8

This commit is contained in:
Nick Sardo 2017-09-29 10:12:14 -07:00
parent ba6c89672d
commit 6a59f4c9a2
1114 changed files with 160955 additions and 262845 deletions

View file

@ -132,8 +132,11 @@ const (
keyPasteEnd
)
var pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'}
var pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'}
var (
crlf = []byte{'\r', '\n'}
pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'}
pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'}
)
// bytesToKey tries to parse a key sequence from b. If successful, it returns
// the key and the remainder of the input. Otherwise it returns utf8.RuneError.
@ -333,7 +336,7 @@ func (t *Terminal) advanceCursor(places int) {
// So, if we are stopping at the end of a line, we
// need to write a newline so that our cursor can be
// advanced to the next line.
t.outBuf = append(t.outBuf, '\n')
t.outBuf = append(t.outBuf, '\r', '\n')
}
}
@ -593,6 +596,35 @@ func (t *Terminal) writeLine(line []rune) {
}
}
// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n.
func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) {
for len(buf) > 0 {
i := bytes.IndexByte(buf, '\n')
todo := len(buf)
if i >= 0 {
todo = i
}
var nn int
nn, err = w.Write(buf[:todo])
n += nn
if err != nil {
return n, err
}
buf = buf[todo:]
if i >= 0 {
if _, err = w.Write(crlf); err != nil {
return n, err
}
n += 1
buf = buf[1:]
}
}
return n, nil
}
func (t *Terminal) Write(buf []byte) (n int, err error) {
t.lock.Lock()
defer t.lock.Unlock()
@ -600,7 +632,7 @@ func (t *Terminal) Write(buf []byte) (n int, err error) {
if t.cursorX == 0 && t.cursorY == 0 {
// This is the easy case: there's nothing on the screen that we
// have to move out of the way.
return t.c.Write(buf)
return writeWithCRLF(t.c, buf)
}
// We have a prompt and possibly user input on the screen. We
@ -620,7 +652,7 @@ func (t *Terminal) Write(buf []byte) (n int, err error) {
}
t.outBuf = t.outBuf[:0]
if n, err = t.c.Write(buf); err != nil {
if n, err = writeWithCRLF(t.c, buf); err != nil {
return
}
@ -740,8 +772,6 @@ func (t *Terminal) readLine() (line string, err error) {
t.remainder = t.inBuf[:n+len(t.remainder)]
}
panic("unreachable") // for Go 1.0.
}
// SetPrompt sets the prompt to be used when reading subsequent lines.
@ -890,3 +920,32 @@ func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) {
}
return s.entries[index], true
}
// readPasswordLine reads from reader until it finds \n or io.EOF.
// The slice returned does not include the \n.
// readPasswordLine also ignores any \r it finds.
func readPasswordLine(reader io.Reader) ([]byte, error) {
var buf [1]byte
var ret []byte
for {
n, err := reader.Read(buf[:])
if n > 0 {
switch buf[0] {
case '\n':
return ret, nil
case '\r':
// remove \r from passwords on Windows
default:
ret = append(ret, buf[0])
}
continue
}
if err != nil {
if err == io.EOF && len(ret) > 0 {
return ret, nil
}
return ret, err
}
}
}

View file

@ -17,9 +17,10 @@
package terminal
import (
"io"
"syscall"
"unsafe"
"golang.org/x/sys/unix"
)
// State contains the state of a terminal.
@ -51,6 +52,8 @@ func MakeRaw(fd int) (*State, error) {
newState.Lflag &^= syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN
newState.Cflag &^= syscall.CSIZE | syscall.PARENB
newState.Cflag |= syscall.CS8
newState.Cc[unix.VMIN] = 1
newState.Cc[unix.VTIME] = 0
if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
return nil, err
}
@ -72,8 +75,10 @@ func GetState(fd int) (*State, error) {
// Restore restores the terminal connected to the given file descriptor to a
// previous state.
func Restore(fd int, state *State) error {
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0)
return err
if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0); err != 0 {
return err
}
return nil
}
// GetSize returns the dimensions of the given terminal.
@ -86,6 +91,13 @@ func GetSize(fd int) (width, height int, err error) {
return int(dimensions[1]), int(dimensions[0]), 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 syscall.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.
@ -107,27 +119,5 @@ func ReadPassword(fd int) ([]byte, error) {
syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&oldState)), 0, 0, 0)
}()
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
return readPasswordLine(passwordReader(fd))
}

View file

@ -6,7 +6,7 @@
package terminal
import "syscall"
import "golang.org/x/sys/unix"
const ioctlReadTermios = syscall.TIOCGETA
const ioctlWriteTermios = syscall.TIOCSETA
const ioctlReadTermios = unix.TIOCGETA
const ioctlWriteTermios = unix.TIOCSETA

View file

@ -4,8 +4,7 @@
package terminal
// These constants are declared here, rather than importing
// them from the syscall package as some syscall packages, even
// on linux, for example gccgo, do not declare them.
const ioctlReadTermios = 0x5401 // syscall.TCGETS
const ioctlWriteTermios = 0x5402 // syscall.TCSETS
import "golang.org/x/sys/unix"
const ioctlReadTermios = unix.TCGETS
const ioctlWriteTermios = unix.TCSETS

View file

@ -14,14 +14,12 @@ import (
// State contains the state of a terminal.
type State struct {
termios syscall.Termios
state *unix.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)
_, err := unix.IoctlGetTermio(fd, unix.TCGETA)
return err == nil
}
@ -71,3 +69,60 @@ func ReadPassword(fd int) ([]byte, error) {
return ret, nil
}
// MakeRaw puts 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.
// see http://cr.illumos.org/~webrev/andy_js/1060/
func MakeRaw(fd int) (*State, error) {
oldTermiosPtr, err := unix.IoctlGetTermios(fd, unix.TCGETS)
if err != nil {
return nil, err
}
oldTermios := *oldTermiosPtr
newTermios := oldTermios
newTermios.Iflag &^= syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON
newTermios.Oflag &^= syscall.OPOST
newTermios.Lflag &^= syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN
newTermios.Cflag &^= syscall.CSIZE | syscall.PARENB
newTermios.Cflag |= syscall.CS8
newTermios.Cc[unix.VMIN] = 1
newTermios.Cc[unix.VTIME] = 0
if err := unix.IoctlSetTermios(fd, unix.TCSETS, &newTermios); err != nil {
return nil, err
}
return &State{
state: oldTermiosPtr,
}, nil
}
// Restore restores the terminal connected to the given file descriptor to a
// previous state.
func Restore(fd int, oldState *State) error {
return unix.IoctlSetTermios(fd, unix.TCSETS, oldState.state)
}
// 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) {
oldTermiosPtr, err := unix.IoctlGetTermios(fd, unix.TCGETS)
if err != nil {
return nil, err
}
return &State{
state: oldTermiosPtr,
}, nil
}
// 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 0, 0, err
}
return int(ws.Col), int(ws.Row), nil
}

View file

@ -17,54 +17,7 @@
package terminal
import (
"io"
"syscall"
"unsafe"
)
const (
enableLineInput = 2
enableEchoInput = 4
enableProcessedInput = 1
enableWindowInput = 8
enableMouseInput = 16
enableInsertMode = 32
enableQuickEditMode = 64
enableExtendedFlags = 128
enableAutoPosition = 256
enableProcessedOutput = 1
enableWrapAtEolOutput = 2
)
var kernel32 = syscall.NewLazyDLL("kernel32.dll")
var (
procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
procSetConsoleMode = kernel32.NewProc("SetConsoleMode")
procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
)
type (
short int16
word uint16
coord struct {
x short
y short
}
smallRect struct {
left short
top short
right short
bottom short
}
consoleScreenBufferInfo struct {
size coord
cursorPosition coord
attributes word
window smallRect
maximumWindowSize coord
}
"golang.org/x/sys/windows"
)
type State struct {
@ -74,8 +27,8 @@ type State struct {
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd int) bool {
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
err := windows.GetConsoleMode(windows.Handle(fd), &st)
return err == nil
}
// MakeRaw put the terminal connected to the given file descriptor into raw
@ -83,14 +36,12 @@ func IsTerminal(fd int) bool {
// restored.
func MakeRaw(fd int) (*State, error) {
var st uint32
_, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
if e != 0 {
return nil, error(e)
if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
return nil, err
}
raw := st &^ (enableEchoInput | enableProcessedInput | enableLineInput | enableProcessedOutput)
_, _, e = syscall.Syscall(procSetConsoleMode.Addr(), 2, uintptr(fd), uintptr(raw), 0)
if e != 0 {
return nil, error(e)
raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT)
if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil {
return nil, err
}
return &State{st}, nil
}
@ -99,9 +50,8 @@ func MakeRaw(fd int) (*State, error) {
// restore the terminal after a signal.
func GetState(fd int) (*State, error) {
var st uint32
_, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
if e != 0 {
return nil, error(e)
if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
return nil, err
}
return &State{st}, nil
}
@ -109,18 +59,23 @@ func GetState(fd int) (*State, error) {
// Restore restores the terminal connected to the given file descriptor to a
// previous state.
func Restore(fd int, state *State) error {
_, _, err := syscall.Syscall(procSetConsoleMode.Addr(), 2, uintptr(fd), uintptr(state.mode), 0)
return err
return windows.SetConsoleMode(windows.Handle(fd), state.mode)
}
// GetSize returns the dimensions of the given terminal.
func GetSize(fd int) (width, height int, err error) {
var info consoleScreenBufferInfo
_, _, e := syscall.Syscall(procGetConsoleScreenBufferInfo.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&info)), 0)
if e != 0 {
return 0, 0, error(e)
var info windows.ConsoleScreenBufferInfo
if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil {
return 0, 0, err
}
return int(info.size.x), int(info.size.y), nil
return int(info.Size.X), int(info.Size.Y), nil
}
// passwordReader is an io.Reader that reads from a specific Windows HANDLE.
type passwordReader int
func (r passwordReader) Read(buf []byte) (int, error) {
return windows.Read(windows.Handle(r), buf)
}
// ReadPassword reads a line of input from a terminal without local echo. This
@ -128,47 +83,20 @@ func GetSize(fd int) (width, height int, err error) {
// returned does not include the \n.
func ReadPassword(fd int) ([]byte, error) {
var st uint32
_, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
if e != 0 {
return nil, error(e)
if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
return nil, err
}
old := st
st &^= (enableEchoInput)
st |= (enableProcessedInput | enableLineInput | enableProcessedOutput)
_, _, e = syscall.Syscall(procSetConsoleMode.Addr(), 2, uintptr(fd), uintptr(st), 0)
if e != 0 {
return nil, error(e)
st &^= (windows.ENABLE_ECHO_INPUT)
st |= (windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT)
if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil {
return nil, err
}
defer func() {
syscall.Syscall(procSetConsoleMode.Addr(), 2, uintptr(fd), uintptr(old), 0)
windows.SetConsoleMode(windows.Handle(fd), old)
}()
var buf [16]byte
var ret []byte
for {
n, err := syscall.Read(syscall.Handle(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--
}
if n > 0 && buf[n-1] == '\r' {
n--
}
ret = append(ret, buf[:n]...)
if n < len(buf) {
break
}
}
return ret, nil
return readPasswordLine(passwordReader(fd))
}