new: parsing BLE flags and company identifiers from advertisements

vendor/golang.org/x/crypto/AUTHORS

@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at https://tip.golang.org/AUTHORS.

vendor/golang.org/x/crypto/CONTRIBUTORS

@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at https://tip.golang.org/CONTRIBUTORS.

vendor/golang.org/x/crypto/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2009 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/golang.org/x/crypto/PATENTS

@@ -0,0 +1,22 @@
+Additional IP Rights Grant (Patents)
+
+"This implementation" means the copyrightable works distributed by
+Google as part of the Go project.
+
+Google hereby grants to You a perpetual, worldwide, non-exclusive,
+no-charge, royalty-free, irrevocable (except as stated in this section)
+patent license to make, have made, use, offer to sell, sell, import,
+transfer and otherwise run, modify and propagate the contents of this
+implementation of Go, where such license applies only to those patent
+claims, both currently owned or controlled by Google and acquired in
+the future, licensable by Google that are necessarily infringed by this
+implementation of Go.  This grant does not include claims that would be
+infringed only as a consequence of further modification of this
+implementation.  If you or your agent or exclusive licensee institute or
+order or agree to the institution of patent litigation against any
+entity (including a cross-claim or counterclaim in a lawsuit) alleging
+that this implementation of Go or any code incorporated within this
+implementation of Go constitutes direct or contributory patent
+infringement, or inducement of patent infringement, then any patent
+rights granted to you under this License for this implementation of Go
+shall terminate as of the date such litigation is filed.

vendor/golang.org/x/crypto/ssh/terminal/terminal.go

@@ -0,0 +1,955 @@
+// 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.
+
+package terminal
+
+import (
+	"bytes"
+	"io"
+	"sync"
+	"unicode/utf8"
+)
+
+// EscapeCodes contains escape sequences that can be written to the terminal in
+// order to achieve different styles of text.
+type EscapeCodes struct {
+	// Foreground colors
+	Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte
+
+	// Reset all attributes
+	Reset []byte
+}
+
+var vt100EscapeCodes = EscapeCodes{
+	Black:   []byte{keyEscape, '[', '3', '0', 'm'},
+	Red:     []byte{keyEscape, '[', '3', '1', 'm'},
+	Green:   []byte{keyEscape, '[', '3', '2', 'm'},
+	Yellow:  []byte{keyEscape, '[', '3', '3', 'm'},
+	Blue:    []byte{keyEscape, '[', '3', '4', 'm'},
+	Magenta: []byte{keyEscape, '[', '3', '5', 'm'},
+	Cyan:    []byte{keyEscape, '[', '3', '6', 'm'},
+	White:   []byte{keyEscape, '[', '3', '7', 'm'},
+
+	Reset: []byte{keyEscape, '[', '0', 'm'},
+}
+
+// Terminal contains the state for running a VT100 terminal that is capable of
+// reading lines of input.
+type Terminal struct {
+	// AutoCompleteCallback, if non-null, is called for each keypress with
+	// the full input line and the current position of the cursor (in
+	// bytes, as an index into |line|). If it returns ok=false, the key
+	// press is processed normally. Otherwise it returns a replacement line
+	// and the new cursor position.
+	AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool)
+
+	// Escape contains a pointer to the escape codes for this terminal.
+	// It's always a valid pointer, although the escape codes themselves
+	// may be empty if the terminal doesn't support them.
+	Escape *EscapeCodes
+
+	// lock protects the terminal and the state in this object from
+	// concurrent processing of a key press and a Write() call.
+	lock sync.Mutex
+
+	c      io.ReadWriter
+	prompt []rune
+
+	// line is the current line being entered.
+	line []rune
+	// pos is the logical position of the cursor in line
+	pos int
+	// echo is true if local echo is enabled
+	echo bool
+	// pasteActive is true iff there is a bracketed paste operation in
+	// progress.
+	pasteActive bool
+
+	// cursorX contains the current X value of the cursor where the left
+	// edge is 0. cursorY contains the row number where the first row of
+	// the current line is 0.
+	cursorX, cursorY int
+	// maxLine is the greatest value of cursorY so far.
+	maxLine int
+
+	termWidth, termHeight int
+
+	// outBuf contains the terminal data to be sent.
+	outBuf []byte
+	// remainder contains the remainder of any partial key sequences after
+	// a read. It aliases into inBuf.
+	remainder []byte
+	inBuf     [256]byte
+
+	// history contains previously entered commands so that they can be
+	// accessed with the up and down keys.
+	history stRingBuffer
+	// historyIndex stores the currently accessed history entry, where zero
+	// means the immediately previous entry.
+	historyIndex int
+	// When navigating up and down the history it's possible to return to
+	// the incomplete, initial line. That value is stored in
+	// historyPending.
+	historyPending string
+}
+
+// NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is
+// a local terminal, that terminal must first have been put into raw mode.
+// prompt is a string that is written at the start of each input line (i.e.
+// "> ").
+func NewTerminal(c io.ReadWriter, prompt string) *Terminal {
+	return &Terminal{
+		Escape:       &vt100EscapeCodes,
+		c:            c,
+		prompt:       []rune(prompt),
+		termWidth:    80,
+		termHeight:   24,
+		echo:         true,
+		historyIndex: -1,
+	}
+}
+
+const (
+	keyCtrlD     = 4
+	keyCtrlU     = 21
+	keyEnter     = '\r'
+	keyEscape    = 27
+	keyBackspace = 127
+	keyUnknown   = 0xd800 /* UTF-16 surrogate area */ + iota
+	keyUp
+	keyDown
+	keyLeft
+	keyRight
+	keyAltLeft
+	keyAltRight
+	keyHome
+	keyEnd
+	keyDeleteWord
+	keyDeleteLine
+	keyClearScreen
+	keyPasteStart
+	keyPasteEnd
+)
+
+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.
+func bytesToKey(b []byte, pasteActive bool) (rune, []byte) {
+	if len(b) == 0 {
+		return utf8.RuneError, nil
+	}
+
+	if !pasteActive {
+		switch b[0] {
+		case 1: // ^A
+			return keyHome, b[1:]
+		case 5: // ^E
+			return keyEnd, b[1:]
+		case 8: // ^H
+			return keyBackspace, b[1:]
+		case 11: // ^K
+			return keyDeleteLine, b[1:]
+		case 12: // ^L
+			return keyClearScreen, b[1:]
+		case 23: // ^W
+			return keyDeleteWord, b[1:]
+		case 14: // ^N
+			return keyDown, b[1:]
+		case 16: // ^P
+			return keyUp, b[1:]
+		}
+	}
+
+	if b[0] != keyEscape {
+		if !utf8.FullRune(b) {
+			return utf8.RuneError, b
+		}
+		r, l := utf8.DecodeRune(b)
+		return r, b[l:]
+	}
+
+	if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' {
+		switch b[2] {
+		case 'A':
+			return keyUp, b[3:]
+		case 'B':
+			return keyDown, b[3:]
+		case 'C':
+			return keyRight, b[3:]
+		case 'D':
+			return keyLeft, b[3:]
+		case 'H':
+			return keyHome, b[3:]
+		case 'F':
+			return keyEnd, b[3:]
+		}
+	}
+
+	if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' {
+		switch b[5] {
+		case 'C':
+			return keyAltRight, b[6:]
+		case 'D':
+			return keyAltLeft, b[6:]
+		}
+	}
+
+	if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) {
+		return keyPasteStart, b[6:]
+	}
+
+	if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) {
+		return keyPasteEnd, b[6:]
+	}
+
+	// If we get here then we have a key that we don't recognise, or a
+	// partial sequence. It's not clear how one should find the end of a
+	// sequence without knowing them all, but it seems that [a-zA-Z~] only
+	// appears at the end of a sequence.
+	for i, c := range b[0:] {
+		if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' {
+			return keyUnknown, b[i+1:]
+		}
+	}
+
+	return utf8.RuneError, b
+}
+
+// queue appends data to the end of t.outBuf
+func (t *Terminal) queue(data []rune) {
+	t.outBuf = append(t.outBuf, []byte(string(data))...)
+}
+
+var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'}
+var space = []rune{' '}
+
+func isPrintable(key rune) bool {
+	isInSurrogateArea := key >= 0xd800 && key <= 0xdbff
+	return key >= 32 && !isInSurrogateArea
+}
+
+// moveCursorToPos appends data to t.outBuf which will move the cursor to the
+// given, logical position in the text.
+func (t *Terminal) moveCursorToPos(pos int) {
+	if !t.echo {
+		return
+	}
+
+	x := visualLength(t.prompt) + pos
+	y := x / t.termWidth
+	x = x % t.termWidth
+
+	up := 0
+	if y < t.cursorY {
+		up = t.cursorY - y
+	}
+
+	down := 0
+	if y > t.cursorY {
+		down = y - t.cursorY
+	}
+
+	left := 0
+	if x < t.cursorX {
+		left = t.cursorX - x
+	}
+
+	right := 0
+	if x > t.cursorX {
+		right = x - t.cursorX
+	}
+
+	t.cursorX = x
+	t.cursorY = y
+	t.move(up, down, left, right)
+}
+
+func (t *Terminal) move(up, down, left, right int) {
+	movement := make([]rune, 3*(up+down+left+right))
+	m := movement
+	for i := 0; i < up; i++ {
+		m[0] = keyEscape
+		m[1] = '['
+		m[2] = 'A'
+		m = m[3:]
+	}
+	for i := 0; i < down; i++ {
+		m[0] = keyEscape
+		m[1] = '['
+		m[2] = 'B'
+		m = m[3:]
+	}
+	for i := 0; i < left; i++ {
+		m[0] = keyEscape
+		m[1] = '['
+		m[2] = 'D'
+		m = m[3:]
+	}
+	for i := 0; i < right; i++ {
+		m[0] = keyEscape
+		m[1] = '['
+		m[2] = 'C'
+		m = m[3:]
+	}
+
+	t.queue(movement)
+}
+
+func (t *Terminal) clearLineToRight() {
+	op := []rune{keyEscape, '[', 'K'}
+	t.queue(op)
+}
+
+const maxLineLength = 4096
+
+func (t *Terminal) setLine(newLine []rune, newPos int) {
+	if t.echo {
+		t.moveCursorToPos(0)
+		t.writeLine(newLine)
+		for i := len(newLine); i < len(t.line); i++ {
+			t.writeLine(space)
+		}
+		t.moveCursorToPos(newPos)
+	}
+	t.line = newLine
+	t.pos = newPos
+}
+
+func (t *Terminal) advanceCursor(places int) {
+	t.cursorX += places
+	t.cursorY += t.cursorX / t.termWidth
+	if t.cursorY > t.maxLine {
+		t.maxLine = t.cursorY
+	}
+	t.cursorX = t.cursorX % t.termWidth
+
+	if places > 0 && t.cursorX == 0 {
+		// Normally terminals will advance the current position
+		// when writing a character. But that doesn't happen
+		// for the last character in a line. However, when
+		// writing a character (except a new line) that causes
+		// a line wrap, the position will be advanced two
+		// places.
+		//
+		// 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, '\r', '\n')
+	}
+}
+
+func (t *Terminal) eraseNPreviousChars(n int) {
+	if n == 0 {
+		return
+	}
+
+	if t.pos < n {
+		n = t.pos
+	}
+	t.pos -= n
+	t.moveCursorToPos(t.pos)
+
+	copy(t.line[t.pos:], t.line[n+t.pos:])
+	t.line = t.line[:len(t.line)-n]
+	if t.echo {
+		t.writeLine(t.line[t.pos:])
+		for i := 0; i < n; i++ {
+			t.queue(space)
+		}
+		t.advanceCursor(n)
+		t.moveCursorToPos(t.pos)
+	}
+}
+
+// countToLeftWord returns then number of characters from the cursor to the
+// start of the previous word.
+func (t *Terminal) countToLeftWord() int {
+	if t.pos == 0 {
+		return 0
+	}
+
+	pos := t.pos - 1
+	for pos > 0 {
+		if t.line[pos] != ' ' {
+			break
+		}
+		pos--
+	}
+	for pos > 0 {
+		if t.line[pos] == ' ' {
+			pos++
+			break
+		}
+		pos--
+	}
+
+	return t.pos - pos
+}
+
+// countToRightWord returns then number of characters from the cursor to the
+// start of the next word.
+func (t *Terminal) countToRightWord() int {
+	pos := t.pos
+	for pos < len(t.line) {
+		if t.line[pos] == ' ' {
+			break
+		}
+		pos++
+	}
+	for pos < len(t.line) {
+		if t.line[pos] != ' ' {
+			break
+		}
+		pos++
+	}
+	return pos - t.pos
+}
+
+// visualLength returns the number of visible glyphs in s.
+func visualLength(runes []rune) int {
+	inEscapeSeq := false
+	length := 0
+
+	for _, r := range runes {
+		switch {
+		case inEscapeSeq:
+			if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') {
+				inEscapeSeq = false
+			}
+		case r == '\x1b':
+			inEscapeSeq = true
+		default:
+			length++
+		}
+	}
+
+	return length
+}
+
+// handleKey processes the given key and, optionally, returns a line of text
+// that the user has entered.
+func (t *Terminal) handleKey(key rune) (line string, ok bool) {
+	if t.pasteActive && key != keyEnter {
+		t.addKeyToLine(key)
+		return
+	}
+
+	switch key {
+	case keyBackspace:
+		if t.pos == 0 {
+			return
+		}
+		t.eraseNPreviousChars(1)
+	case keyAltLeft:
+		// move left by a word.
+		t.pos -= t.countToLeftWord()
+		t.moveCursorToPos(t.pos)
+	case keyAltRight:
+		// move right by a word.
+		t.pos += t.countToRightWord()
+		t.moveCursorToPos(t.pos)
+	case keyLeft:
+		if t.pos == 0 {
+			return
+		}
+		t.pos--
+		t.moveCursorToPos(t.pos)
+	case keyRight:
+		if t.pos == len(t.line) {
+			return
+		}
+		t.pos++
+		t.moveCursorToPos(t.pos)
+	case keyHome:
+		if t.pos == 0 {
+			return
+		}
+		t.pos = 0
+		t.moveCursorToPos(t.pos)
+	case keyEnd:
+		if t.pos == len(t.line) {
+			return
+		}
+		t.pos = len(t.line)
+		t.moveCursorToPos(t.pos)
+	case keyUp:
+		entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1)
+		if !ok {
+			return "", false
+		}
+		if t.historyIndex == -1 {
+			t.historyPending = string(t.line)
+		}
+		t.historyIndex++
+		runes := []rune(entry)
+		t.setLine(runes, len(runes))
+	case keyDown:
+		switch t.historyIndex {
+		case -1:
+			return
+		case 0:
+			runes := []rune(t.historyPending)
+			t.setLine(runes, len(runes))
+			t.historyIndex--
+		default:
+			entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1)
+			if ok {
+				t.historyIndex--
+				runes := []rune(entry)
+				t.setLine(runes, len(runes))
+			}
+		}
+	case keyEnter:
+		t.moveCursorToPos(len(t.line))
+		t.queue([]rune("\r\n"))
+		line = string(t.line)
+		ok = true
+		t.line = t.line[:0]
+		t.pos = 0
+		t.cursorX = 0
+		t.cursorY = 0
+		t.maxLine = 0
+	case keyDeleteWord:
+		// Delete zero or more spaces and then one or more characters.
+		t.eraseNPreviousChars(t.countToLeftWord())
+	case keyDeleteLine:
+		// Delete everything from the current cursor position to the
+		// end of line.
+		for i := t.pos; i < len(t.line); i++ {
+			t.queue(space)
+			t.advanceCursor(1)
+		}
+		t.line = t.line[:t.pos]
+		t.moveCursorToPos(t.pos)
+	case keyCtrlD:
+		// Erase the character under the current position.
+		// The EOF case when the line is empty is handled in
+		// readLine().
+		if t.pos < len(t.line) {
+			t.pos++
+			t.eraseNPreviousChars(1)
+		}
+	case keyCtrlU:
+		t.eraseNPreviousChars(t.pos)
+	case keyClearScreen:
+		// Erases the screen and moves the cursor to the home position.
+		t.queue([]rune("\x1b[2J\x1b[H"))
+		t.queue(t.prompt)
+		t.cursorX, t.cursorY = 0, 0
+		t.advanceCursor(visualLength(t.prompt))
+		t.setLine(t.line, t.pos)
+	default:
+		if t.AutoCompleteCallback != nil {
+			prefix := string(t.line[:t.pos])
+			suffix := string(t.line[t.pos:])
+
+			t.lock.Unlock()
+			newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key)
+			t.lock.Lock()
+
+			if completeOk {
+				t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos]))
+				return
+			}
+		}
+		if !isPrintable(key) {
+			return
+		}
+		if len(t.line) == maxLineLength {
+			return
+		}
+		t.addKeyToLine(key)
+	}
+	return
+}
+
+// addKeyToLine inserts the given key at the current position in the current
+// line.
+func (t *Terminal) addKeyToLine(key rune) {
+	if len(t.line) == cap(t.line) {
+		newLine := make([]rune, len(t.line), 2*(1+len(t.line)))
+		copy(newLine, t.line)
+		t.line = newLine
+	}
+	t.line = t.line[:len(t.line)+1]
+	copy(t.line[t.pos+1:], t.line[t.pos:])
+	t.line[t.pos] = key
+	if t.echo {
+		t.writeLine(t.line[t.pos:])
+	}
+	t.pos++
+	t.moveCursorToPos(t.pos)
+}
+
+func (t *Terminal) writeLine(line []rune) {
+	for len(line) != 0 {
+		remainingOnLine := t.termWidth - t.cursorX
+		todo := len(line)
+		if todo > remainingOnLine {
+			todo = remainingOnLine
+		}
+		t.queue(line[:todo])
+		t.advanceCursor(visualLength(line[:todo]))
+		line = line[todo:]
+	}
+}
+
+// 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++
+			buf = buf[1:]
+		}
+	}
+
+	return n, nil
+}
+
+func (t *Terminal) Write(buf []byte) (n int, err error) {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	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 writeWithCRLF(t.c, buf)
+	}
+
+	// We have a prompt and possibly user input on the screen. We
+	// have to clear it first.
+	t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */)
+	t.cursorX = 0
+	t.clearLineToRight()
+
+	for t.cursorY > 0 {
+		t.move(1 /* up */, 0, 0, 0)
+		t.cursorY--
+		t.clearLineToRight()
+	}
+
+	if _, err = t.c.Write(t.outBuf); err != nil {
+		return
+	}
+	t.outBuf = t.outBuf[:0]
+
+	if n, err = writeWithCRLF(t.c, buf); err != nil {
+		return
+	}
+
+	t.writeLine(t.prompt)
+	if t.echo {
+		t.writeLine(t.line)
+	}
+
+	t.moveCursorToPos(t.pos)
+
+	if _, err = t.c.Write(t.outBuf); err != nil {
+		return
+	}
+	t.outBuf = t.outBuf[:0]
+	return
+}
+
+// ReadPassword temporarily changes the prompt and reads a password, without
+// echo, from the terminal.
+func (t *Terminal) ReadPassword(prompt string) (line string, err error) {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	oldPrompt := t.prompt
+	t.prompt = []rune(prompt)
+	t.echo = false
+
+	line, err = t.readLine()
+
+	t.prompt = oldPrompt
+	t.echo = true
+
+	return
+}
+
+// ReadLine returns a line of input from the terminal.
+func (t *Terminal) ReadLine() (line string, err error) {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	return t.readLine()
+}
+
+func (t *Terminal) readLine() (line string, err error) {
+	// t.lock must be held at this point
+
+	if t.cursorX == 0 && t.cursorY == 0 {
+		t.writeLine(t.prompt)
+		t.c.Write(t.outBuf)
+		t.outBuf = t.outBuf[:0]
+	}
+
+	lineIsPasted := t.pasteActive
+
+	for {
+		rest := t.remainder
+		lineOk := false
+		for !lineOk {
+			var key rune
+			key, rest = bytesToKey(rest, t.pasteActive)
+			if key == utf8.RuneError {
+				break
+			}
+			if !t.pasteActive {
+				if key == keyCtrlD {
+					if len(t.line) == 0 {
+						return "", io.EOF
+					}
+				}
+				if key == keyPasteStart {
+					t.pasteActive = true
+					if len(t.line) == 0 {
+						lineIsPasted = true
+					}
+					continue
+				}
+			} else if key == keyPasteEnd {
+				t.pasteActive = false
+				continue
+			}
+			if !t.pasteActive {
+				lineIsPasted = false
+			}
+			line, lineOk = t.handleKey(key)
+		}
+		if len(rest) > 0 {
+			n := copy(t.inBuf[:], rest)
+			t.remainder = t.inBuf[:n]
+		} else {
+			t.remainder = nil
+		}
+		t.c.Write(t.outBuf)
+		t.outBuf = t.outBuf[:0]
+		if lineOk {
+			if t.echo {
+				t.historyIndex = -1
+				t.history.Add(line)
+			}
+			if lineIsPasted {
+				err = ErrPasteIndicator
+			}
+			return
+		}
+
+		// t.remainder is a slice at the beginning of t.inBuf
+		// containing a partial key sequence
+		readBuf := t.inBuf[len(t.remainder):]
+		var n int
+
+		t.lock.Unlock()
+		n, err = t.c.Read(readBuf)
+		t.lock.Lock()
+
+		if err != nil {
+			return
+		}
+
+		t.remainder = t.inBuf[:n+len(t.remainder)]
+	}
+}
+
+// SetPrompt sets the prompt to be used when reading subsequent lines.
+func (t *Terminal) SetPrompt(prompt string) {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	t.prompt = []rune(prompt)
+}
+
+func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) {
+	// Move cursor to column zero at the start of the line.
+	t.move(t.cursorY, 0, t.cursorX, 0)
+	t.cursorX, t.cursorY = 0, 0
+	t.clearLineToRight()
+	for t.cursorY < numPrevLines {
+		// Move down a line
+		t.move(0, 1, 0, 0)
+		t.cursorY++
+		t.clearLineToRight()
+	}
+	// Move back to beginning.
+	t.move(t.cursorY, 0, 0, 0)
+	t.cursorX, t.cursorY = 0, 0
+
+	t.queue(t.prompt)
+	t.advanceCursor(visualLength(t.prompt))
+	t.writeLine(t.line)
+	t.moveCursorToPos(t.pos)
+}
+
+func (t *Terminal) SetSize(width, height int) error {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	if width == 0 {
+		width = 1
+	}
+
+	oldWidth := t.termWidth
+	t.termWidth, t.termHeight = width, height
+
+	switch {
+	case width == oldWidth:
+		// If the width didn't change then nothing else needs to be
+		// done.
+		return nil
+	case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0:
+		// If there is nothing on current line and no prompt printed,
+		// just do nothing
+		return nil
+	case width < oldWidth:
+		// Some terminals (e.g. xterm) will truncate lines that were
+		// too long when shinking. Others, (e.g. gnome-terminal) will
+		// attempt to wrap them. For the former, repainting t.maxLine
+		// works great, but that behaviour goes badly wrong in the case
+		// of the latter because they have doubled every full line.
+
+		// We assume that we are working on a terminal that wraps lines
+		// and adjust the cursor position based on every previous line
+		// wrapping and turning into two. This causes the prompt on
+		// xterms to move upwards, which isn't great, but it avoids a
+		// huge mess with gnome-terminal.
+		if t.cursorX >= t.termWidth {
+			t.cursorX = t.termWidth - 1
+		}
+		t.cursorY *= 2
+		t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2)
+	case width > oldWidth:
+		// If the terminal expands then our position calculations will
+		// be wrong in the future because we think the cursor is
+		// |t.pos| chars into the string, but there will be a gap at
+		// the end of any wrapped line.
+		//
+		// But the position will actually be correct until we move, so
+		// we can move back to the beginning and repaint everything.
+		t.clearAndRepaintLinePlusNPrevious(t.maxLine)
+	}
+
+	_, err := t.c.Write(t.outBuf)
+	t.outBuf = t.outBuf[:0]
+	return err
+}
+
+type pasteIndicatorError struct{}
+
+func (pasteIndicatorError) Error() string {
+	return "terminal: ErrPasteIndicator not correctly handled"
+}
+
+// ErrPasteIndicator may be returned from ReadLine as the error, in addition
+// to valid line data. It indicates that bracketed paste mode is enabled and
+// that the returned line consists only of pasted data. Programs may wish to
+// interpret pasted data more literally than typed data.
+var ErrPasteIndicator = pasteIndicatorError{}
+
+// SetBracketedPasteMode requests that the terminal bracket paste operations
+// with markers. Not all terminals support this but, if it is supported, then
+// enabling this mode will stop any autocomplete callback from running due to
+// pastes. Additionally, any lines that are completely pasted will be returned
+// from ReadLine with the error set to ErrPasteIndicator.
+func (t *Terminal) SetBracketedPasteMode(on bool) {
+	if on {
+		io.WriteString(t.c, "\x1b[?2004h")
+	} else {
+		io.WriteString(t.c, "\x1b[?2004l")
+	}
+}
+
+// stRingBuffer is a ring buffer of strings.
+type stRingBuffer struct {
+	// entries contains max elements.
+	entries []string
+	max     int
+	// head contains the index of the element most recently added to the ring.
+	head int
+	// size contains the number of elements in the ring.
+	size int
+}
+
+func (s *stRingBuffer) Add(a string) {
+	if s.entries == nil {
+		const defaultNumEntries = 100
+		s.entries = make([]string, defaultNumEntries)
+		s.max = defaultNumEntries
+	}
+
+	s.head = (s.head + 1) % s.max
+	s.entries[s.head] = a
+	if s.size < s.max {
+		s.size++
+	}
+}
+
+// NthPreviousEntry returns the value passed to the nth previous call to Add.
+// If n is zero then the immediately prior value is returned, if one, then the
+// next most recent, and so on. If such an element doesn't exist then ok is
+// false.
+func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) {
+	if n >= s.size {
+		return "", false
+	}
+	index := s.head - n
+	if index < 0 {
+		index += s.max
+	}
+	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
+		}
+	}
+}

vendor/golang.org/x/crypto/ssh/terminal/util.go

@@ -0,0 +1,114 @@
+// 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 aix 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 whether 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 unix.IoctlSetTermios(fd, ioctlWriteTermios, termios)
+
+	return readPasswordLine(passwordReader(fd))
+}

vendor/golang.org/x/crypto/ssh/terminal/util_aix.go

@@ -0,0 +1,12 @@
+// Copyright 2018 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 aix
+
+package terminal
+
+import "golang.org/x/sys/unix"
+
+const ioctlReadTermios = unix.TCGETS
+const ioctlWriteTermios = unix.TCSETS

vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go

@@ -0,0 +1,12 @@
+// Copyright 2013 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 netbsd openbsd
+
+package terminal
+
+import "golang.org/x/sys/unix"
+
+const ioctlReadTermios = unix.TIOCGETA
+const ioctlWriteTermios = unix.TIOCSETA

vendor/golang.org/x/crypto/ssh/terminal/util_linux.go

@@ -0,0 +1,10 @@
+// Copyright 2013 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.
+
+package terminal
+
+import "golang.org/x/sys/unix"
+
+const ioctlReadTermios = unix.TCGETS
+const ioctlWriteTermios = unix.TCSETS

vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go

@@ -0,0 +1,58 @@
+// Copyright 2016 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.
+
+// 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 (
+	"fmt"
+	"runtime"
+)
+
+type State struct{}
+
+// IsTerminal returns whether the given file descriptor is a terminal.
+func IsTerminal(fd int) bool {
+	return false
+}
+
+// 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) {
+	return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
+
+// 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) {
+	return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
+
+// Restore restores the terminal connected to the given file descriptor to a
+// previous state.
+func Restore(fd int, state *State) error {
+	return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
+
+// GetSize returns the dimensions of the given terminal.
+func GetSize(fd int) (width, height int, err error) {
+	return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}
+
+// 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) {
+	return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
+}

vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go

@@ -0,0 +1,124 @@
+// 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 "golang.org/x/crypto/ssh/terminal"
+
+import (
+	"golang.org/x/sys/unix"
+	"io"
+	"syscall"
+)
+
+// State contains the state of a terminal.
+type State struct {
+	termios unix.Termios
+}
+
+// IsTerminal returns whether the given file descriptor is a terminal.
+func IsTerminal(fd int) bool {
+	_, err := unix.IoctlGetTermio(fd, unix.TCGETA)
+	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
+}
+
+// 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) {
+	termios, err := unix.IoctlGetTermios(fd, unix.TCGETS)
+	if err != nil {
+		return nil, err
+	}
+
+	oldState := State{termios: *termios}
+
+	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, unix.TCSETS, termios); err != nil {
+		return nil, err
+	}
+
+	return &oldState, 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.termios)
+}
+
+// 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, unix.TCGETS)
+	if err != nil {
+		return nil, err
+	}
+
+	return &State{termios: *termios}, 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
+}

vendor/golang.org/x/crypto/ssh/terminal/util_windows.go

@@ -0,0 +1,103 @@
+// 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 windows
+
+// 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 (
+	"os"
+
+	"golang.org/x/sys/windows"
+)
+
+type State struct {
+	mode uint32
+}
+
+// IsTerminal returns whether the given file descriptor is a terminal.
+func IsTerminal(fd int) bool {
+	var st uint32
+	err := windows.GetConsoleMode(windows.Handle(fd), &st)
+	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) {
+	var st uint32
+	if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
+		return nil, err
+	}
+	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
+}
+
+// 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) {
+	var st uint32
+	if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
+		return nil, err
+	}
+	return &State{st}, nil
+}
+
+// Restore restores the terminal connected to the given file descriptor to a
+// previous state.
+func Restore(fd int, state *State) error {
+	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 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
+}
+
+// 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) {
+	var st uint32
+	if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil {
+		return nil, err
+	}
+	old := st
+
+	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 windows.SetConsoleMode(windows.Handle(fd), old)
+
+	var h windows.Handle
+	p, _ := windows.GetCurrentProcess()
+	if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil {
+		return nil, err
+	}
+
+	f := os.NewFile(uintptr(h), "stdin")
+	defer f.Close()
+	return readPasswordLine(f)
+}

vendor/golang.org/x/sys/unix/README.md

@@ -32,7 +32,7 @@ To build the files for your current OS and architecture, make sure GOOS and
 GOARCH are set correctly and run `mkall.sh`. This will generate the files for
 your specific system. Running `mkall.sh -n` shows the commands that will be run.
 
-Requirements: bash, perl, go
+Requirements: bash, go
 
 ### New Build System (currently for `GOOS == "linux"`)
 
@@ -52,14 +52,14 @@ system and have your GOOS and GOARCH set accordingly. Running `mkall.sh` will
 then generate all of the files for all of the GOOS/GOARCH pairs in the new build
 system. Running `mkall.sh -n` shows the commands that will be run.
 
-Requirements: bash, perl, go, docker
+Requirements: bash, go, docker
 
 ## Component files
 
 This section describes the various files used in the code generation process.
 It also contains instructions on how to modify these files to add a new
 architecture/OS or to add additional syscalls, types, or constants. Note that
-if you are using the new build system, the scripts cannot be called normally.
+if you are using the new build system, the scripts/programs cannot be called normally.
 They must be called from within the docker container.
 
 ### asm files
@@ -81,8 +81,8 @@ each GOOS/GOARCH pair.
 
 ### mksysnum
 
-Mksysnum is a script located at `${GOOS}/mksysnum.pl` (or `mksysnum_${GOOS}.pl`
-for the old system). This script takes in a list of header files containing the
+Mksysnum is a Go program located at `${GOOS}/mksysnum.go` (or `mksysnum_${GOOS}.go`
+for the old system). This program takes in a list of header files containing the
 syscall number declarations and parses them to produce the corresponding list of
 Go numeric constants. See `zsysnum_${GOOS}_${GOARCH}.go` for the generated
 constants.
@@ -92,14 +92,14 @@ new installation of the target OS (or updating the source checkouts for the
 new build system). However, depending on the OS, you make need to update the
 parsing in mksysnum.
 
-### mksyscall.pl
+### mksyscall.go
 
 The `syscall.go`, `syscall_${GOOS}.go`, `syscall_${GOOS}_${GOARCH}.go` are
 hand-written Go files which implement system calls (for unix, the specific OS,
 or the specific OS/Architecture pair respectively) that need special handling
 and list `//sys` comments giving prototypes for ones that can be generated.
 
-The mksyscall.pl script takes the `//sys` and `//sysnb` comments and converts
+The mksyscall.go program takes the `//sys` and `//sysnb` comments and converts
 them into syscalls. This requires the name of the prototype in the comment to
 match a syscall number in the `zsysnum_${GOOS}_${GOARCH}.go` file. The function
 prototype can be exported (capitalized) or not.
@@ -160,7 +160,7 @@ signal numbers, and constants. Generated by `mkerrors.sh` (see above).
 ### `zsyscall_${GOOS}_${GOARCH}.go`
 
 A file containing all the generated syscalls for a specific GOOS and GOARCH.
-Generated by `mksyscall.pl` (see above).
+Generated by `mksyscall.go` (see above).
 
 ### `zsysnum_${GOOS}_${GOARCH}.go`
 

vendor/golang.org/x/sys/unix/mkall.sh

@@ -170,7 +170,7 @@ openbsd_arm)
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
 solaris_amd64)
-	mksyscall="./mksyscall_solaris.pl"
+	mksyscall="go run mksyscall_solaris.go"
 	mkerrors="$mkerrors -m64"
 	mksysnum=
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"

vendor/golang.org/x/sys/unix/mksyscall_solaris.go

@@ -0,0 +1,335 @@
+// Copyright 2019 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 ignore
+
+/*
+ This program reads a file containing function prototypes
+ (like syscall_solaris.go) and generates system call bodies.
+ The prototypes are marked by lines beginning with "//sys"
+ and read like func declarations if //sys is replaced by func, but:
+	* The parameter lists must give a name for each argument.
+	  This includes return parameters.
+	* The parameter lists must give a type for each argument:
+	  the (x, y, z int) shorthand is not allowed.
+	* If the return parameter is an error number, it must be named err.
+	* If go func name needs to be different than its libc name,
+	* or the function is not in libc, name could be specified
+	* at the end, after "=" sign, like
+	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
+*/
+
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	b32  = flag.Bool("b32", false, "32bit big-endian")
+	l32  = flag.Bool("l32", false, "32bit little-endian")
+	tags = flag.String("tags", "", "build tags")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall_solaris.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return *tags
+}
+
+// Param is function parameter
+type Param struct {
+	Name string
+	Type string
+}
+
+// usage prints the program usage
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_solaris.go [-b32 | -l32] [-tags x,y] [file ...]\n")
+	os.Exit(1)
+}
+
+// parseParamList parses parameter list and returns a slice of parameters
+func parseParamList(list string) []string {
+	list = strings.TrimSpace(list)
+	if list == "" {
+		return []string{}
+	}
+	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
+}
+
+// parseParam splits a parameter into name and type
+func parseParam(p string) Param {
+	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	text := ""
+	dynimports := ""
+	linknames := ""
+	var vars []string
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
+				pack = p[1]
+			}
+			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
+			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
+				continue
+			}
+
+			// Line must be of the form
+			//	func Open(path string, mode int, perm int) (fd int, err error)
+			// Split into name, in params, out params.
+			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			inps = strings.Join(in, ", ")
+			outps = strings.Join(out, ", ")
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+
+			// So file name.
+			if modname == "" {
+				modname = "libc"
+			}
+
+			// System call name.
+			if sysname == "" {
+				sysname = funct
+			}
+
+			// System call pointer variable name.
+			sysvarname := fmt.Sprintf("proc%s", sysname)
+
+			strconvfunc := "BytePtrFromString"
+			strconvtype := "*byte"
+
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			// Runtime import of function to allow cross-platform builds.
+			dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname)
+			// Link symbol to proc address variable.
+			linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname)
+			// Library proc address variable.
+			vars = append(vars, sysvarname)
+
+			// Go function header.
+			outlist := strings.Join(out, ", ")
+			if outlist != "" {
+				outlist = fmt.Sprintf(" (%s)", outlist)
+			}
+			if text != "" {
+				text += "\n"
+			}
+			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist)
+
+			// Check if err return available
+			errvar := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+					continue
+				}
+			}
+
+			// Prepare arguments to Syscall.
+			var args []string
+			n := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
+				} else if p.Type == "string" && errvar != "" {
+					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if p.Type == "string" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
+					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != nil {
+					// Convert slice into pointer, length.
+					// Have to be careful not to take address of &a[0] if len == 0:
+					// pass nil in that case.
+					text += fmt.Sprintf("\tvar _p%d *%s\n", n, s[1])
+					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
+					n++
+				} else if p.Type == "int64" && endianness != "" {
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					}
+				} else if p.Type == "bool" {
+					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
+					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
+					args = append(args, fmt.Sprintf("uintptr(_p%d)", n))
+					n++
+				} else {
+					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+				}
+			}
+			nargs := len(args)
+
+			// Determine which form to use; pad args with zeros.
+			asm := "sysvicall6"
+			if nonblock != nil {
+				asm = "rawSysvicall6"
+			}
+			if len(args) <= 6 {
+				for len(args) < 6 {
+					args = append(args, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path)
+				os.Exit(1)
+			}
+
+			// Actual call.
+			arglist := strings.Join(args, ", ")
+			call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, arglist)
+
+			// Assign return values.
+			body := ""
+			ret := []string{"_", "_", "_"}
+			doErrno := false
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" {
+					reg = "e1"
+					ret[2] = reg
+					doErrno = true
+				} else {
+					reg = fmt.Sprintf("r%d", i)
+					ret[i] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%d != 0", reg)
+				}
+				if p.Type == "int64" && endianness != "" {
+					// 64-bit number in r1:r0 or r0:r1.
+					if i+2 > len(out) {
+						fmt.Fprintf(os.Stderr, "%s: not enough registers for int64 return\n", path)
+						os.Exit(1)
+					}
+					if endianness == "big-endian" {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
+					} else {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
+					}
+					ret[i] = fmt.Sprintf("r%d", i)
+					ret[i+1] = fmt.Sprintf("r%d", i+1)
+				}
+				if reg != "e1" {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
+				text += fmt.Sprintf("\t%s\n", call)
+			} else {
+				text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
+			}
+			text += body
+
+			if doErrno {
+				text += "\tif e1 != 0 {\n"
+				text += "\t\terr = e1\n"
+				text += "\t}\n"
+			}
+			text += "\treturn\n"
+			text += "}\n"
+		}
+		if err := s.Err(); err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	imp := ""
+	if pack != "unix" {
+		imp = "import \"golang.org/x/sys/unix\"\n"
+
+	}
+	vardecls := "\t" + strings.Join(vars, ",\n\t")
+	vardecls += " syscallFunc"
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+import (
+	"syscall"
+	"unsafe"
+)
+%s
+%s
+%s
+var (
+%s	
+)
+
+%s
+`

vendor/golang.org/x/sys/unix/mksyscall_solaris.pl

@@ -1,294 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-
-# This program reads a file containing function prototypes
-# (like syscall_solaris.go) and generates system call bodies.
-# The prototypes are marked by lines beginning with "//sys"
-# and read like func declarations if //sys is replaced by func, but:
-#	* The parameter lists must give a name for each argument.
-#	  This includes return parameters.
-#	* The parameter lists must give a type for each argument:
-#	  the (x, y, z int) shorthand is not allowed.
-#	* If the return parameter is an error number, it must be named err.
-#	* If go func name needs to be different than its libc name,
-#	* or the function is not in libc, name could be specified
-#	* at the end, after "=" sign, like
-#	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-use strict;
-
-my $cmdline = "mksyscall_solaris.pl " . join(' ', @ARGV);
-my $errors = 0;
-my $_32bit = "";
-my $tags = "";  # build tags
-
-binmode STDOUT;
-
-if($ARGV[0] eq "-b32") {
-	$_32bit = "big-endian";
-	shift;
-} elsif($ARGV[0] eq "-l32") {
-	$_32bit = "little-endian";
-	shift;
-}
-if($ARGV[0] eq "-tags") {
-	shift;
-	$tags = $ARGV[0];
-	shift;
-}
-
-if($ARGV[0] =~ /^-/) {
-	print STDERR "usage: mksyscall_solaris.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
-	exit 1;
-}
-
-sub parseparamlist($) {
-	my ($list) = @_;
-	$list =~ s/^\s*//;
-	$list =~ s/\s*$//;
-	if($list eq "") {
-		return ();
-	}
-	return split(/\s*,\s*/, $list);
-}
-
-sub parseparam($) {
-	my ($p) = @_;
-	if($p !~ /^(\S*) (\S*)$/) {
-		print STDERR "$ARGV:$.: malformed parameter: $p\n";
-		$errors = 1;
-		return ("xx", "int");
-	}
-	return ($1, $2);
-}
-
-my $package = "";
-my $text = "";
-my $dynimports = "";
-my $linknames = "";
-my @vars = ();
-while(<>) {
-	chomp;
-	s/\s+/ /g;
-	s/^\s+//;
-	s/\s+$//;
-	$package = $1 if !$package && /^package (\S+)$/;
-	my $nonblock = /^\/\/sysnb /;
-	next if !/^\/\/sys / && !$nonblock;
-
-	# Line must be of the form
-	#	func Open(path string, mode int, perm int) (fd int, err error)
-	# Split into name, in params, out params.
-	if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
-		print STDERR "$ARGV:$.: malformed //sys declaration\n";
-		$errors = 1;
-		next;
-	}
-	my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
-
-	# Split argument lists on comma.
-	my @in = parseparamlist($in);
-	my @out = parseparamlist($out);
-
-	# Try in vain to keep people from editing this file.
-	# The theory is that they jump into the middle of the file
-	# without reading the header.
-	$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-
-	# So file name.
-	if($modname eq "") {
-		$modname = "libc";
-	}
-
-	# System call name.
-	if($sysname eq "") {
-		$sysname = "$func";
-	}
-
-	# System call pointer variable name.
-	my $sysvarname = "proc$sysname";
-
-	my $strconvfunc = "BytePtrFromString";
-	my $strconvtype = "*byte";
-
-	$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
-
-	# Runtime import of function to allow cross-platform builds.
-	$dynimports .= "//go:cgo_import_dynamic libc_${sysname} ${sysname} \"$modname.so\"\n";
-	# Link symbol to proc address variable.
-	$linknames .= "//go:linkname ${sysvarname} libc_${sysname}\n";
-	# Library proc address variable.
-	push @vars, $sysvarname;
-
-	# Go function header.
-	$out = join(', ', @out);
-	if($out ne "") {
-		$out = " ($out)";
-	}
-	if($text ne "") {
-		$text .= "\n"
-	}
-	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out;
-
-	# Check if err return available
-	my $errvar = "";
-	foreach my $p (@out) {
-		my ($name, $type) = parseparam($p);
-		if($type eq "error") {
-			$errvar = $name;
-			last;
-		}
-	}
-
-	# Prepare arguments to Syscall.
-	my @args = ();
-	my $n = 0;
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @args, "uintptr(unsafe.Pointer($name))";
-		} elsif($type eq "string" && $errvar ne "") {
-			$text .= "\tvar _p$n $strconvtype\n";
-			$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
-			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type eq "string") {
-			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
-			$text .= "\tvar _p$n $strconvtype\n";
-			$text .= "\t_p$n, _ = $strconvfunc($name)\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type =~ /^\[\](.*)/) {
-			# Convert slice into pointer, length.
-			# Have to be careful not to take address of &a[0] if len == 0:
-			# pass nil in that case.
-			$text .= "\tvar _p$n *$1\n";
-			$text .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))", "uintptr(len($name))";
-			$n++;
-		} elsif($type eq "int64" && $_32bit ne "") {
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name >> 32)", "uintptr($name)";
-			} else {
-				push @args, "uintptr($name)", "uintptr($name >> 32)";
-			}
-		} elsif($type eq "bool") {
- 			$text .= "\tvar _p$n uint32\n";
-			$text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
-			push @args, "uintptr(_p$n)";
-			$n++;
-		} else {
-			push @args, "uintptr($name)";
-		}
-	}
-	my $nargs = @args;
-
-	# Determine which form to use; pad args with zeros.
-	my $asm = "sysvicall6";
-	if ($nonblock) {
-		$asm = "rawSysvicall6";
-	}
-	if(@args <= 6) {
-		while(@args < 6) {
-			push @args, "0";
-		}
-	} else {
-		print STDERR "$ARGV:$.: too many arguments to system call\n";
-	}
-
-	# Actual call.
-	my $args = join(', ', @args);
-	my $call = "$asm(uintptr(unsafe.Pointer(&$sysvarname)), $nargs, $args)";
-
-	# Assign return values.
-	my $body = "";
-	my $failexpr = "";
-	my @ret = ("_", "_", "_");
-	my @pout= ();
-	my $do_errno = 0;
-	for(my $i=0; $i<@out; $i++) {
-		my $p = $out[$i];
-		my ($name, $type) = parseparam($p);
-		my $reg = "";
-		if($name eq "err") {
-			$reg = "e1";
-			$ret[2] = $reg;
-			$do_errno = 1;
-		} else {
-			$reg = sprintf("r%d", $i);
-			$ret[$i] = $reg;
-		}
-		if($type eq "bool") {
-			$reg = "$reg != 0";
-		}
-		if($type eq "int64" && $_32bit ne "") {
-			# 64-bit number in r1:r0 or r0:r1.
-			if($i+2 > @out) {
-				print STDERR "$ARGV:$.: not enough registers for int64 return\n";
-			}
-			if($_32bit eq "big-endian") {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
-			} else {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
-			}
-			$ret[$i] = sprintf("r%d", $i);
-			$ret[$i+1] = sprintf("r%d", $i+1);
-		}
-		if($reg ne "e1") {
-			$body .= "\t$name = $type($reg)\n";
-		}
-	}
-	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
-		$text .= "\t$call\n";
-	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
-	}
-	$text .= $body;
-
-	if ($do_errno) {
-		$text .= "\tif e1 != 0 {\n";
-		$text .= "\t\terr = e1\n";
-		$text .= "\t}\n";
-	}
-	$text .= "\treturn\n";
-	$text .= "}\n";
-}
-
-if($errors) {
-	exit 1;
-}
-
-print <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-
-package $package
-
-import (
-	"syscall"
-	"unsafe"
-)
-EOF
-
-print "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-my $vardecls = "\t" . join(",\n\t", @vars);
-$vardecls .= " syscallFunc";
-
-chomp($_=<<EOF);
-
-$dynimports
-$linknames
-var (
-$vardecls
-)
-
-$text
-EOF
-print $_;
-exit 0;

vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go

@@ -1,4 +1,4 @@
-// mksyscall_solaris.pl -tags solaris,amd64 syscall_solaris.go syscall_solaris_amd64.go
+// go run mksyscall_solaris.go -tags solaris,amd64 syscall_solaris.go syscall_solaris_amd64.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build solaris,amd64

vendor/golang.org/x/sys/windows/aliases.go

@@ -0,0 +1,13 @@
+// Copyright 2018 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 windows
+// +build go1.9
+
+package windows
+
+import "syscall"
+
+type Errno = syscall.Errno
+type SysProcAttr = syscall.SysProcAttr

vendor/golang.org/x/sys/windows/asm_windows_386.s

@@ -0,0 +1,13 @@
+// Copyright 2009 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.
+
+//
+// System calls for 386, Windows are implemented in runtime/syscall_windows.goc
+//
+
+TEXT ·getprocaddress(SB), 7, $0-16
+	JMP	syscall·getprocaddress(SB)
+
+TEXT ·loadlibrary(SB), 7, $0-12
+	JMP	syscall·loadlibrary(SB)

vendor/golang.org/x/sys/windows/asm_windows_amd64.s

@@ -0,0 +1,13 @@
+// Copyright 2009 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.
+
+//
+// System calls for amd64, Windows are implemented in runtime/syscall_windows.goc
+//
+
+TEXT ·getprocaddress(SB), 7, $0-32
+	JMP	syscall·getprocaddress(SB)
+
+TEXT ·loadlibrary(SB), 7, $0-24
+	JMP	syscall·loadlibrary(SB)

vendor/golang.org/x/sys/windows/asm_windows_arm.s

@@ -0,0 +1,11 @@
+// Copyright 2018 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.
+
+#include "textflag.h"
+
+TEXT ·getprocaddress(SB),NOSPLIT,$0
+	B	syscall·getprocaddress(SB)
+
+TEXT ·loadlibrary(SB),NOSPLIT,$0
+	B	syscall·loadlibrary(SB)

vendor/golang.org/x/sys/windows/dll_windows.go

@@ -0,0 +1,378 @@
+// 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.
+
+package windows
+
+import (
+	"sync"
+	"sync/atomic"
+	"syscall"
+	"unsafe"
+)
+
+// DLLError describes reasons for DLL load failures.
+type DLLError struct {
+	Err     error
+	ObjName string
+	Msg     string
+}
+
+func (e *DLLError) Error() string { return e.Msg }
+
+// Implemented in runtime/syscall_windows.goc; we provide jumps to them in our assembly file.
+func loadlibrary(filename *uint16) (handle uintptr, err syscall.Errno)
+func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err syscall.Errno)
+
+// A DLL implements access to a single DLL.
+type DLL struct {
+	Name   string
+	Handle Handle
+}
+
+// LoadDLL loads DLL file into memory.
+//
+// Warning: using LoadDLL without an absolute path name is subject to
+// DLL preloading attacks. To safely load a system DLL, use LazyDLL
+// with System set to true, or use LoadLibraryEx directly.
+func LoadDLL(name string) (dll *DLL, err error) {
+	namep, err := UTF16PtrFromString(name)
+	if err != nil {
+		return nil, err
+	}
+	h, e := loadlibrary(namep)
+	if e != 0 {
+		return nil, &DLLError{
+			Err:     e,
+			ObjName: name,
+			Msg:     "Failed to load " + name + ": " + e.Error(),
+		}
+	}
+	d := &DLL{
+		Name:   name,
+		Handle: Handle(h),
+	}
+	return d, nil
+}
+
+// MustLoadDLL is like LoadDLL but panics if load operation failes.
+func MustLoadDLL(name string) *DLL {
+	d, e := LoadDLL(name)
+	if e != nil {
+		panic(e)
+	}
+	return d
+}
+
+// FindProc searches DLL d for procedure named name and returns *Proc
+// if found. It returns an error if search fails.
+func (d *DLL) FindProc(name string) (proc *Proc, err error) {
+	namep, err := BytePtrFromString(name)
+	if err != nil {
+		return nil, err
+	}
+	a, e := getprocaddress(uintptr(d.Handle), namep)
+	if e != 0 {
+		return nil, &DLLError{
+			Err:     e,
+			ObjName: name,
+			Msg:     "Failed to find " + name + " procedure in " + d.Name + ": " + e.Error(),
+		}
+	}
+	p := &Proc{
+		Dll:  d,
+		Name: name,
+		addr: a,
+	}
+	return p, nil
+}
+
+// MustFindProc is like FindProc but panics if search fails.
+func (d *DLL) MustFindProc(name string) *Proc {
+	p, e := d.FindProc(name)
+	if e != nil {
+		panic(e)
+	}
+	return p
+}
+
+// Release unloads DLL d from memory.
+func (d *DLL) Release() (err error) {
+	return FreeLibrary(d.Handle)
+}
+
+// A Proc implements access to a procedure inside a DLL.
+type Proc struct {
+	Dll  *DLL
+	Name string
+	addr uintptr
+}
+
+// Addr returns the address of the procedure represented by p.
+// The return value can be passed to Syscall to run the procedure.
+func (p *Proc) Addr() uintptr {
+	return p.addr
+}
+
+//go:uintptrescapes
+
+// Call executes procedure p with arguments a. It will panic, if more than 15 arguments
+// are supplied.
+//
+// The returned error is always non-nil, constructed from the result of GetLastError.
+// Callers must inspect the primary return value to decide whether an error occurred
+// (according to the semantics of the specific function being called) before consulting
+// the error. The error will be guaranteed to contain windows.Errno.
+func (p *Proc) Call(a ...uintptr) (r1, r2 uintptr, lastErr error) {
+	switch len(a) {
+	case 0:
+		return syscall.Syscall(p.Addr(), uintptr(len(a)), 0, 0, 0)
+	case 1:
+		return syscall.Syscall(p.Addr(), uintptr(len(a)), a[0], 0, 0)
+	case 2:
+		return syscall.Syscall(p.Addr(), uintptr(len(a)), a[0], a[1], 0)
+	case 3:
+		return syscall.Syscall(p.Addr(), uintptr(len(a)), a[0], a[1], a[2])
+	case 4:
+		return syscall.Syscall6(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], 0, 0)
+	case 5:
+		return syscall.Syscall6(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], 0)
+	case 6:
+		return syscall.Syscall6(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5])
+	case 7:
+		return syscall.Syscall9(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], 0, 0)
+	case 8:
+		return syscall.Syscall9(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], 0)
+	case 9:
+		return syscall.Syscall9(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8])
+	case 10:
+		return syscall.Syscall12(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], 0, 0)
+	case 11:
+		return syscall.Syscall12(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], a[10], 0)
+	case 12:
+		return syscall.Syscall12(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], a[10], a[11])
+	case 13:
+		return syscall.Syscall15(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], a[10], a[11], a[12], 0, 0)
+	case 14:
+		return syscall.Syscall15(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], a[10], a[11], a[12], a[13], 0)
+	case 15:
+		return syscall.Syscall15(p.Addr(), uintptr(len(a)), a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], a[8], a[9], a[10], a[11], a[12], a[13], a[14])
+	default:
+		panic("Call " + p.Name + " with too many arguments " + itoa(len(a)) + ".")
+	}
+}
+
+// A LazyDLL implements access to a single DLL.
+// It will delay the load of the DLL until the first
+// call to its Handle method or to one of its
+// LazyProc's Addr method.
+type LazyDLL struct {
+	Name string
+
+	// System determines whether the DLL must be loaded from the
+	// Windows System directory, bypassing the normal DLL search
+	// path.
+	System bool
+
+	mu  sync.Mutex
+	dll *DLL // non nil once DLL is loaded
+}
+
+// Load loads DLL file d.Name into memory. It returns an error if fails.
+// Load will not try to load DLL, if it is already loaded into memory.
+func (d *LazyDLL) Load() error {
+	// Non-racy version of:
+	// if d.dll != nil {
+	if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&d.dll))) != nil {
+		return nil
+	}
+	d.mu.Lock()
+	defer d.mu.Unlock()
+	if d.dll != nil {
+		return nil
+	}
+
+	// kernel32.dll is special, since it's where LoadLibraryEx comes from.
+	// The kernel already special-cases its name, so it's always
+	// loaded from system32.
+	var dll *DLL
+	var err error
+	if d.Name == "kernel32.dll" {
+		dll, err = LoadDLL(d.Name)
+	} else {
+		dll, err = loadLibraryEx(d.Name, d.System)
+	}
+	if err != nil {
+		return err
+	}
+
+	// Non-racy version of:
+	// d.dll = dll
+	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&d.dll)), unsafe.Pointer(dll))
+	return nil
+}
+
+// mustLoad is like Load but panics if search fails.
+func (d *LazyDLL) mustLoad() {
+	e := d.Load()
+	if e != nil {
+		panic(e)
+	}
+}
+
+// Handle returns d's module handle.
+func (d *LazyDLL) Handle() uintptr {
+	d.mustLoad()
+	return uintptr(d.dll.Handle)
+}
+
+// NewProc returns a LazyProc for accessing the named procedure in the DLL d.
+func (d *LazyDLL) NewProc(name string) *LazyProc {
+	return &LazyProc{l: d, Name: name}
+}
+
+// NewLazyDLL creates new LazyDLL associated with DLL file.
+func NewLazyDLL(name string) *LazyDLL {
+	return &LazyDLL{Name: name}
+}
+
+// NewLazySystemDLL is like NewLazyDLL, but will only
+// search Windows System directory for the DLL if name is
+// a base name (like "advapi32.dll").
+func NewLazySystemDLL(name string) *LazyDLL {
+	return &LazyDLL{Name: name, System: true}
+}
+
+// A LazyProc implements access to a procedure inside a LazyDLL.
+// It delays the lookup until the Addr method is called.
+type LazyProc struct {
+	Name string
+
+	mu   sync.Mutex
+	l    *LazyDLL
+	proc *Proc
+}
+
+// Find searches DLL for procedure named p.Name. It returns
+// an error if search fails. Find will not search procedure,
+// if it is already found and loaded into memory.
+func (p *LazyProc) Find() error {
+	// Non-racy version of:
+	// if p.proc == nil {
+	if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&p.proc))) == nil {
+		p.mu.Lock()
+		defer p.mu.Unlock()
+		if p.proc == nil {
+			e := p.l.Load()
+			if e != nil {
+				return e
+			}
+			proc, e := p.l.dll.FindProc(p.Name)
+			if e != nil {
+				return e
+			}
+			// Non-racy version of:
+			// p.proc = proc
+			atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&p.proc)), unsafe.Pointer(proc))
+		}
+	}
+	return nil
+}
+
+// mustFind is like Find but panics if search fails.
+func (p *LazyProc) mustFind() {
+	e := p.Find()
+	if e != nil {
+		panic(e)
+	}
+}
+
+// Addr returns the address of the procedure represented by p.
+// The return value can be passed to Syscall to run the procedure.
+// It will panic if the procedure cannot be found.
+func (p *LazyProc) Addr() uintptr {
+	p.mustFind()
+	return p.proc.Addr()
+}
+
+//go:uintptrescapes
+
+// Call executes procedure p with arguments a. It will panic, if more than 15 arguments
+// are supplied. It will also panic if the procedure cannot be found.
+//
+// The returned error is always non-nil, constructed from the result of GetLastError.
+// Callers must inspect the primary return value to decide whether an error occurred
+// (according to the semantics of the specific function being called) before consulting
+// the error. The error will be guaranteed to contain windows.Errno.
+func (p *LazyProc) Call(a ...uintptr) (r1, r2 uintptr, lastErr error) {
+	p.mustFind()
+	return p.proc.Call(a...)
+}
+
+var canDoSearchSystem32Once struct {
+	sync.Once
+	v bool
+}
+
+func initCanDoSearchSystem32() {
+	// https://msdn.microsoft.com/en-us/library/ms684179(v=vs.85).aspx says:
+	// "Windows 7, Windows Server 2008 R2, Windows Vista, and Windows
+	// Server 2008: The LOAD_LIBRARY_SEARCH_* flags are available on
+	// systems that have KB2533623 installed. To determine whether the
+	// flags are available, use GetProcAddress to get the address of the
+	// AddDllDirectory, RemoveDllDirectory, or SetDefaultDllDirectories
+	// function. If GetProcAddress succeeds, the LOAD_LIBRARY_SEARCH_*
+	// flags can be used with LoadLibraryEx."
+	canDoSearchSystem32Once.v = (modkernel32.NewProc("AddDllDirectory").Find() == nil)
+}
+
+func canDoSearchSystem32() bool {
+	canDoSearchSystem32Once.Do(initCanDoSearchSystem32)
+	return canDoSearchSystem32Once.v
+}
+
+func isBaseName(name string) bool {
+	for _, c := range name {
+		if c == ':' || c == '/' || c == '\\' {
+			return false
+		}
+	}
+	return true
+}
+
+// loadLibraryEx wraps the Windows LoadLibraryEx function.
+//
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms684179(v=vs.85).aspx
+//
+// If name is not an absolute path, LoadLibraryEx searches for the DLL
+// in a variety of automatic locations unless constrained by flags.
+// See: https://msdn.microsoft.com/en-us/library/ff919712%28VS.85%29.aspx
+func loadLibraryEx(name string, system bool) (*DLL, error) {
+	loadDLL := name
+	var flags uintptr
+	if system {
+		if canDoSearchSystem32() {
+			const LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
+			flags = LOAD_LIBRARY_SEARCH_SYSTEM32
+		} else if isBaseName(name) {
+			// WindowsXP or unpatched Windows machine
+			// trying to load "foo.dll" out of the system
+			// folder, but LoadLibraryEx doesn't support
+			// that yet on their system, so emulate it.
+			windir, _ := Getenv("WINDIR") // old var; apparently works on XP
+			if windir == "" {
+				return nil, errString("%WINDIR% not defined")
+			}
+			loadDLL = windir + "\\System32\\" + name
+		}
+	}
+	h, err := LoadLibraryEx(loadDLL, 0, flags)
+	if err != nil {
+		return nil, err
+	}
+	return &DLL{Name: name, Handle: h}, nil
+}
+
+type errString string
+
+func (s errString) Error() string { return string(s) }

vendor/golang.org/x/sys/windows/env_windows.go

@@ -0,0 +1,29 @@
+// Copyright 2010 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.
+
+// Windows environment variables.
+
+package windows
+
+import "syscall"
+
+func Getenv(key string) (value string, found bool) {
+	return syscall.Getenv(key)
+}
+
+func Setenv(key, value string) error {
+	return syscall.Setenv(key, value)
+}
+
+func Clearenv() {
+	syscall.Clearenv()
+}
+
+func Environ() []string {
+	return syscall.Environ()
+}
+
+func Unsetenv(key string) error {
+	return syscall.Unsetenv(key)
+}

vendor/golang.org/x/sys/windows/eventlog.go

@@ -0,0 +1,20 @@
+// Copyright 2012 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 windows
+
+package windows
+
+const (
+	EVENTLOG_SUCCESS          = 0
+	EVENTLOG_ERROR_TYPE       = 1
+	EVENTLOG_WARNING_TYPE     = 2
+	EVENTLOG_INFORMATION_TYPE = 4
+	EVENTLOG_AUDIT_SUCCESS    = 8
+	EVENTLOG_AUDIT_FAILURE    = 16
+)
+
+//sys	RegisterEventSource(uncServerName *uint16, sourceName *uint16) (handle Handle, err error) [failretval==0] = advapi32.RegisterEventSourceW
+//sys	DeregisterEventSource(handle Handle) (err error) = advapi32.DeregisterEventSource
+//sys	ReportEvent(log Handle, etype uint16, category uint16, eventId uint32, usrSId uintptr, numStrings uint16, dataSize uint32, strings **uint16, rawData *byte) (err error) = advapi32.ReportEventW

vendor/golang.org/x/sys/windows/exec_windows.go

@@ -0,0 +1,97 @@
+// Copyright 2009 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.
+
+// Fork, exec, wait, etc.
+
+package windows
+
+// EscapeArg rewrites command line argument s as prescribed
+// in http://msdn.microsoft.com/en-us/library/ms880421.
+// This function returns "" (2 double quotes) if s is empty.
+// Alternatively, these transformations are done:
+// - every back slash (\) is doubled, but only if immediately
+//   followed by double quote (");
+// - every double quote (") is escaped by back slash (\);
+// - finally, s is wrapped with double quotes (arg -> "arg"),
+//   but only if there is space or tab inside s.
+func EscapeArg(s string) string {
+	if len(s) == 0 {
+		return "\"\""
+	}
+	n := len(s)
+	hasSpace := false
+	for i := 0; i < len(s); i++ {
+		switch s[i] {
+		case '"', '\\':
+			n++
+		case ' ', '\t':
+			hasSpace = true
+		}
+	}
+	if hasSpace {
+		n += 2
+	}
+	if n == len(s) {
+		return s
+	}
+
+	qs := make([]byte, n)
+	j := 0
+	if hasSpace {
+		qs[j] = '"'
+		j++
+	}
+	slashes := 0
+	for i := 0; i < len(s); i++ {
+		switch s[i] {
+		default:
+			slashes = 0
+			qs[j] = s[i]
+		case '\\':
+			slashes++
+			qs[j] = s[i]
+		case '"':
+			for ; slashes > 0; slashes-- {
+				qs[j] = '\\'
+				j++
+			}
+			qs[j] = '\\'
+			j++
+			qs[j] = s[i]
+		}
+		j++
+	}
+	if hasSpace {
+		for ; slashes > 0; slashes-- {
+			qs[j] = '\\'
+			j++
+		}
+		qs[j] = '"'
+		j++
+	}
+	return string(qs[:j])
+}
+
+func CloseOnExec(fd Handle) {
+	SetHandleInformation(Handle(fd), HANDLE_FLAG_INHERIT, 0)
+}
+
+// FullPath retrieves the full path of the specified file.
+func FullPath(name string) (path string, err error) {
+	p, err := UTF16PtrFromString(name)
+	if err != nil {
+		return "", err
+	}
+	n := uint32(100)
+	for {
+		buf := make([]uint16, n)
+		n, err = GetFullPathName(p, uint32(len(buf)), &buf[0], nil)
+		if err != nil {
+			return "", err
+		}
+		if n <= uint32(len(buf)) {
+			return UTF16ToString(buf[:n]), nil
+		}
+	}
+}

vendor/golang.org/x/sys/windows/memory_windows.go

@@ -0,0 +1,26 @@
+// Copyright 2017 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.
+
+package windows
+
+const (
+	MEM_COMMIT      = 0x00001000
+	MEM_RESERVE     = 0x00002000
+	MEM_DECOMMIT    = 0x00004000
+	MEM_RELEASE     = 0x00008000
+	MEM_RESET       = 0x00080000
+	MEM_TOP_DOWN    = 0x00100000
+	MEM_WRITE_WATCH = 0x00200000
+	MEM_PHYSICAL    = 0x00400000
+	MEM_RESET_UNDO  = 0x01000000
+	MEM_LARGE_PAGES = 0x20000000
+
+	PAGE_NOACCESS          = 0x01
+	PAGE_READONLY          = 0x02
+	PAGE_READWRITE         = 0x04
+	PAGE_WRITECOPY         = 0x08
+	PAGE_EXECUTE_READ      = 0x20
+	PAGE_EXECUTE_READWRITE = 0x40
+	PAGE_EXECUTE_WRITECOPY = 0x80
+)

vendor/golang.org/x/sys/windows/mksyscall.go

@@ -0,0 +1,7 @@
+// Copyright 2009 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.
+
+package windows
+
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go eventlog.go service.go syscall_windows.go security_windows.go

vendor/golang.org/x/sys/windows/race.go

@@ -0,0 +1,30 @@
+// Copyright 2012 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 windows,race
+
+package windows
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+const raceenabled = true
+
+func raceAcquire(addr unsafe.Pointer) {
+	runtime.RaceAcquire(addr)
+}
+
+func raceReleaseMerge(addr unsafe.Pointer) {
+	runtime.RaceReleaseMerge(addr)
+}
+
+func raceReadRange(addr unsafe.Pointer, len int) {
+	runtime.RaceReadRange(addr, len)
+}
+
+func raceWriteRange(addr unsafe.Pointer, len int) {
+	runtime.RaceWriteRange(addr, len)
+}

vendor/golang.org/x/sys/windows/race0.go

@@ -0,0 +1,25 @@
+// Copyright 2012 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 windows,!race
+
+package windows
+
+import (
+	"unsafe"
+)
+
+const raceenabled = false
+
+func raceAcquire(addr unsafe.Pointer) {
+}
+
+func raceReleaseMerge(addr unsafe.Pointer) {
+}
+
+func raceReadRange(addr unsafe.Pointer, len int) {
+}
+
+func raceWriteRange(addr unsafe.Pointer, len int) {
+}

vendor/golang.org/x/sys/windows/security_windows.go

@@ -0,0 +1,478 @@
+// Copyright 2012 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.
+
+package windows
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+const (
+	STANDARD_RIGHTS_REQUIRED = 0xf0000
+	STANDARD_RIGHTS_READ     = 0x20000
+	STANDARD_RIGHTS_WRITE    = 0x20000
+	STANDARD_RIGHTS_EXECUTE  = 0x20000
+	STANDARD_RIGHTS_ALL      = 0x1F0000
+)
+
+const (
+	NameUnknown          = 0
+	NameFullyQualifiedDN = 1
+	NameSamCompatible    = 2
+	NameDisplay          = 3
+	NameUniqueId         = 6
+	NameCanonical        = 7
+	NameUserPrincipal    = 8
+	NameCanonicalEx      = 9
+	NameServicePrincipal = 10
+	NameDnsDomain        = 12
+)
+
+// This function returns 1 byte BOOLEAN rather than the 4 byte BOOL.
+// http://blogs.msdn.com/b/drnick/archive/2007/12/19/windows-and-upn-format-credentials.aspx
+//sys	TranslateName(accName *uint16, accNameFormat uint32, desiredNameFormat uint32, translatedName *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.TranslateNameW
+//sys	GetUserNameEx(nameFormat uint32, nameBuffre *uint16, nSize *uint32) (err error) [failretval&0xff==0] = secur32.GetUserNameExW
+
+// TranslateAccountName converts a directory service
+// object name from one format to another.
+func TranslateAccountName(username string, from, to uint32, initSize int) (string, error) {
+	u, e := UTF16PtrFromString(username)
+	if e != nil {
+		return "", e
+	}
+	n := uint32(50)
+	for {
+		b := make([]uint16, n)
+		e = TranslateName(u, from, to, &b[0], &n)
+		if e == nil {
+			return UTF16ToString(b[:n]), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", e
+		}
+		if n <= uint32(len(b)) {
+			return "", e
+		}
+	}
+}
+
+const (
+	// do not reorder
+	NetSetupUnknownStatus = iota
+	NetSetupUnjoined
+	NetSetupWorkgroupName
+	NetSetupDomainName
+)
+
+type UserInfo10 struct {
+	Name       *uint16
+	Comment    *uint16
+	UsrComment *uint16
+	FullName   *uint16
+}
+
+//sys	NetUserGetInfo(serverName *uint16, userName *uint16, level uint32, buf **byte) (neterr error) = netapi32.NetUserGetInfo
+//sys	NetGetJoinInformation(server *uint16, name **uint16, bufType *uint32) (neterr error) = netapi32.NetGetJoinInformation
+//sys	NetApiBufferFree(buf *byte) (neterr error) = netapi32.NetApiBufferFree
+
+const (
+	// do not reorder
+	SidTypeUser = 1 + iota
+	SidTypeGroup
+	SidTypeDomain
+	SidTypeAlias
+	SidTypeWellKnownGroup
+	SidTypeDeletedAccount
+	SidTypeInvalid
+	SidTypeUnknown
+	SidTypeComputer
+	SidTypeLabel
+)
+
+type SidIdentifierAuthority struct {
+	Value [6]byte
+}
+
+var (
+	SECURITY_NULL_SID_AUTHORITY        = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 0}}
+	SECURITY_WORLD_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 1}}
+	SECURITY_LOCAL_SID_AUTHORITY       = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 2}}
+	SECURITY_CREATOR_SID_AUTHORITY     = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 3}}
+	SECURITY_NON_UNIQUE_AUTHORITY      = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 4}}
+	SECURITY_NT_AUTHORITY              = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 5}}
+	SECURITY_MANDATORY_LABEL_AUTHORITY = SidIdentifierAuthority{[6]byte{0, 0, 0, 0, 0, 16}}
+)
+
+const (
+	SECURITY_NULL_RID                   = 0
+	SECURITY_WORLD_RID                  = 0
+	SECURITY_LOCAL_RID                  = 0
+	SECURITY_CREATOR_OWNER_RID          = 0
+	SECURITY_CREATOR_GROUP_RID          = 1
+	SECURITY_DIALUP_RID                 = 1
+	SECURITY_NETWORK_RID                = 2
+	SECURITY_BATCH_RID                  = 3
+	SECURITY_INTERACTIVE_RID            = 4
+	SECURITY_LOGON_IDS_RID              = 5
+	SECURITY_SERVICE_RID                = 6
+	SECURITY_LOCAL_SYSTEM_RID           = 18
+	SECURITY_BUILTIN_DOMAIN_RID         = 32
+	SECURITY_PRINCIPAL_SELF_RID         = 10
+	SECURITY_CREATOR_OWNER_SERVER_RID   = 0x2
+	SECURITY_CREATOR_GROUP_SERVER_RID   = 0x3
+	SECURITY_LOGON_IDS_RID_COUNT        = 0x3
+	SECURITY_ANONYMOUS_LOGON_RID        = 0x7
+	SECURITY_PROXY_RID                  = 0x8
+	SECURITY_ENTERPRISE_CONTROLLERS_RID = 0x9
+	SECURITY_SERVER_LOGON_RID           = SECURITY_ENTERPRISE_CONTROLLERS_RID
+	SECURITY_AUTHENTICATED_USER_RID     = 0xb
+	SECURITY_RESTRICTED_CODE_RID        = 0xc
+	SECURITY_NT_NON_UNIQUE_RID          = 0x15
+)
+
+// Predefined domain-relative RIDs for local groups.
+// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa379649(v=vs.85).aspx
+const (
+	DOMAIN_ALIAS_RID_ADMINS                         = 0x220
+	DOMAIN_ALIAS_RID_USERS                          = 0x221
+	DOMAIN_ALIAS_RID_GUESTS                         = 0x222
+	DOMAIN_ALIAS_RID_POWER_USERS                    = 0x223
+	DOMAIN_ALIAS_RID_ACCOUNT_OPS                    = 0x224
+	DOMAIN_ALIAS_RID_SYSTEM_OPS                     = 0x225
+	DOMAIN_ALIAS_RID_PRINT_OPS                      = 0x226
+	DOMAIN_ALIAS_RID_BACKUP_OPS                     = 0x227
+	DOMAIN_ALIAS_RID_REPLICATOR                     = 0x228
+	DOMAIN_ALIAS_RID_RAS_SERVERS                    = 0x229
+	DOMAIN_ALIAS_RID_PREW2KCOMPACCESS               = 0x22a
+	DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS           = 0x22b
+	DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS      = 0x22c
+	DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d
+	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0X22e
+	DOMAIN_ALIAS_RID_LOGGING_USERS                  = 0x22f
+	DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS            = 0x230
+	DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS             = 0x231
+	DOMAIN_ALIAS_RID_DCOM_USERS                     = 0x232
+	DOMAIN_ALIAS_RID_IUSERS                         = 0x238
+	DOMAIN_ALIAS_RID_CRYPTO_OPERATORS               = 0x239
+	DOMAIN_ALIAS_RID_CACHEABLE_PRINCIPALS_GROUP     = 0x23b
+	DOMAIN_ALIAS_RID_NON_CACHEABLE_PRINCIPALS_GROUP = 0x23c
+	DOMAIN_ALIAS_RID_EVENT_LOG_READERS_GROUP        = 0x23d
+	DOMAIN_ALIAS_RID_CERTSVC_DCOM_ACCESS_GROUP      = 0x23e
+)
+
+//sys	LookupAccountSid(systemName *uint16, sid *SID, name *uint16, nameLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountSidW
+//sys	LookupAccountName(systemName *uint16, accountName *uint16, sid *SID, sidLen *uint32, refdDomainName *uint16, refdDomainNameLen *uint32, use *uint32) (err error) = advapi32.LookupAccountNameW
+//sys	ConvertSidToStringSid(sid *SID, stringSid **uint16) (err error) = advapi32.ConvertSidToStringSidW
+//sys	ConvertStringSidToSid(stringSid *uint16, sid **SID) (err error) = advapi32.ConvertStringSidToSidW
+//sys	GetLengthSid(sid *SID) (len uint32) = advapi32.GetLengthSid
+//sys	CopySid(destSidLen uint32, destSid *SID, srcSid *SID) (err error) = advapi32.CopySid
+//sys	AllocateAndInitializeSid(identAuth *SidIdentifierAuthority, subAuth byte, subAuth0 uint32, subAuth1 uint32, subAuth2 uint32, subAuth3 uint32, subAuth4 uint32, subAuth5 uint32, subAuth6 uint32, subAuth7 uint32, sid **SID) (err error) = advapi32.AllocateAndInitializeSid
+//sys	FreeSid(sid *SID) (err error) [failretval!=0] = advapi32.FreeSid
+//sys	EqualSid(sid1 *SID, sid2 *SID) (isEqual bool) = advapi32.EqualSid
+
+// The security identifier (SID) structure is a variable-length
+// structure used to uniquely identify users or groups.
+type SID struct{}
+
+// StringToSid converts a string-format security identifier
+// sid into a valid, functional sid.
+func StringToSid(s string) (*SID, error) {
+	var sid *SID
+	p, e := UTF16PtrFromString(s)
+	if e != nil {
+		return nil, e
+	}
+	e = ConvertStringSidToSid(p, &sid)
+	if e != nil {
+		return nil, e
+	}
+	defer LocalFree((Handle)(unsafe.Pointer(sid)))
+	return sid.Copy()
+}
+
+// LookupSID retrieves a security identifier sid for the account
+// and the name of the domain on which the account was found.
+// System specify target computer to search.
+func LookupSID(system, account string) (sid *SID, domain string, accType uint32, err error) {
+	if len(account) == 0 {
+		return nil, "", 0, syscall.EINVAL
+	}
+	acc, e := UTF16PtrFromString(account)
+	if e != nil {
+		return nil, "", 0, e
+	}
+	var sys *uint16
+	if len(system) > 0 {
+		sys, e = UTF16PtrFromString(system)
+		if e != nil {
+			return nil, "", 0, e
+		}
+	}
+	n := uint32(50)
+	dn := uint32(50)
+	for {
+		b := make([]byte, n)
+		db := make([]uint16, dn)
+		sid = (*SID)(unsafe.Pointer(&b[0]))
+		e = LookupAccountName(sys, acc, sid, &n, &db[0], &dn, &accType)
+		if e == nil {
+			return sid, UTF16ToString(db), accType, nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return nil, "", 0, e
+		}
+		if n <= uint32(len(b)) {
+			return nil, "", 0, e
+		}
+	}
+}
+
+// String converts sid to a string format
+// suitable for display, storage, or transmission.
+func (sid *SID) String() (string, error) {
+	var s *uint16
+	e := ConvertSidToStringSid(sid, &s)
+	if e != nil {
+		return "", e
+	}
+	defer LocalFree((Handle)(unsafe.Pointer(s)))
+	return UTF16ToString((*[256]uint16)(unsafe.Pointer(s))[:]), nil
+}
+
+// Len returns the length, in bytes, of a valid security identifier sid.
+func (sid *SID) Len() int {
+	return int(GetLengthSid(sid))
+}
+
+// Copy creates a duplicate of security identifier sid.
+func (sid *SID) Copy() (*SID, error) {
+	b := make([]byte, sid.Len())
+	sid2 := (*SID)(unsafe.Pointer(&b[0]))
+	e := CopySid(uint32(len(b)), sid2, sid)
+	if e != nil {
+		return nil, e
+	}
+	return sid2, nil
+}
+
+// LookupAccount retrieves the name of the account for this sid
+// and the name of the first domain on which this sid is found.
+// System specify target computer to search for.
+func (sid *SID) LookupAccount(system string) (account, domain string, accType uint32, err error) {
+	var sys *uint16
+	if len(system) > 0 {
+		sys, err = UTF16PtrFromString(system)
+		if err != nil {
+			return "", "", 0, err
+		}
+	}
+	n := uint32(50)
+	dn := uint32(50)
+	for {
+		b := make([]uint16, n)
+		db := make([]uint16, dn)
+		e := LookupAccountSid(sys, sid, &b[0], &n, &db[0], &dn, &accType)
+		if e == nil {
+			return UTF16ToString(b), UTF16ToString(db), accType, nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", "", 0, e
+		}
+		if n <= uint32(len(b)) {
+			return "", "", 0, e
+		}
+	}
+}
+
+const (
+	// do not reorder
+	TOKEN_ASSIGN_PRIMARY = 1 << iota
+	TOKEN_DUPLICATE
+	TOKEN_IMPERSONATE
+	TOKEN_QUERY
+	TOKEN_QUERY_SOURCE
+	TOKEN_ADJUST_PRIVILEGES
+	TOKEN_ADJUST_GROUPS
+	TOKEN_ADJUST_DEFAULT
+	TOKEN_ADJUST_SESSIONID
+
+	TOKEN_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED |
+		TOKEN_ASSIGN_PRIMARY |
+		TOKEN_DUPLICATE |
+		TOKEN_IMPERSONATE |
+		TOKEN_QUERY |
+		TOKEN_QUERY_SOURCE |
+		TOKEN_ADJUST_PRIVILEGES |
+		TOKEN_ADJUST_GROUPS |
+		TOKEN_ADJUST_DEFAULT |
+		TOKEN_ADJUST_SESSIONID
+	TOKEN_READ  = STANDARD_RIGHTS_READ | TOKEN_QUERY
+	TOKEN_WRITE = STANDARD_RIGHTS_WRITE |
+		TOKEN_ADJUST_PRIVILEGES |
+		TOKEN_ADJUST_GROUPS |
+		TOKEN_ADJUST_DEFAULT
+	TOKEN_EXECUTE = STANDARD_RIGHTS_EXECUTE
+)
+
+const (
+	// do not reorder
+	TokenUser = 1 + iota
+	TokenGroups
+	TokenPrivileges
+	TokenOwner
+	TokenPrimaryGroup
+	TokenDefaultDacl
+	TokenSource
+	TokenType
+	TokenImpersonationLevel
+	TokenStatistics
+	TokenRestrictedSids
+	TokenSessionId
+	TokenGroupsAndPrivileges
+	TokenSessionReference
+	TokenSandBoxInert
+	TokenAuditPolicy
+	TokenOrigin
+	TokenElevationType
+	TokenLinkedToken
+	TokenElevation
+	TokenHasRestrictions
+	TokenAccessInformation
+	TokenVirtualizationAllowed
+	TokenVirtualizationEnabled
+	TokenIntegrityLevel
+	TokenUIAccess
+	TokenMandatoryPolicy
+	TokenLogonSid
+	MaxTokenInfoClass
+)
+
+type SIDAndAttributes struct {
+	Sid        *SID
+	Attributes uint32
+}
+
+type Tokenuser struct {
+	User SIDAndAttributes
+}
+
+type Tokenprimarygroup struct {
+	PrimaryGroup *SID
+}
+
+type Tokengroups struct {
+	GroupCount uint32
+	Groups     [1]SIDAndAttributes
+}
+
+// Authorization Functions
+//sys checkTokenMembership(tokenHandle Token, sidToCheck *SID, isMember *int32) (err error) = advapi32.CheckTokenMembership
+//sys	OpenProcessToken(h Handle, access uint32, token *Token) (err error) = advapi32.OpenProcessToken
+//sys	GetTokenInformation(t Token, infoClass uint32, info *byte, infoLen uint32, returnedLen *uint32) (err error) = advapi32.GetTokenInformation
+//sys	GetUserProfileDirectory(t Token, dir *uint16, dirLen *uint32) (err error) = userenv.GetUserProfileDirectoryW
+
+// An access token contains the security information for a logon session.
+// The system creates an access token when a user logs on, and every
+// process executed on behalf of the user has a copy of the token.
+// The token identifies the user, the user's groups, and the user's
+// privileges. The system uses the token to control access to securable
+// objects and to control the ability of the user to perform various
+// system-related operations on the local computer.
+type Token Handle
+
+// OpenCurrentProcessToken opens the access token
+// associated with current process.
+func OpenCurrentProcessToken() (Token, error) {
+	p, e := GetCurrentProcess()
+	if e != nil {
+		return 0, e
+	}
+	var t Token
+	e = OpenProcessToken(p, TOKEN_QUERY, &t)
+	if e != nil {
+		return 0, e
+	}
+	return t, nil
+}
+
+// Close releases access to access token.
+func (t Token) Close() error {
+	return CloseHandle(Handle(t))
+}
+
+// getInfo retrieves a specified type of information about an access token.
+func (t Token) getInfo(class uint32, initSize int) (unsafe.Pointer, error) {
+	n := uint32(initSize)
+	for {
+		b := make([]byte, n)
+		e := GetTokenInformation(t, class, &b[0], uint32(len(b)), &n)
+		if e == nil {
+			return unsafe.Pointer(&b[0]), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return nil, e
+		}
+		if n <= uint32(len(b)) {
+			return nil, e
+		}
+	}
+}
+
+// GetTokenUser retrieves access token t user account information.
+func (t Token) GetTokenUser() (*Tokenuser, error) {
+	i, e := t.getInfo(TokenUser, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokenuser)(i), nil
+}
+
+// GetTokenGroups retrieves group accounts associated with access token t.
+func (t Token) GetTokenGroups() (*Tokengroups, error) {
+	i, e := t.getInfo(TokenGroups, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokengroups)(i), nil
+}
+
+// GetTokenPrimaryGroup retrieves access token t primary group information.
+// A pointer to a SID structure representing a group that will become
+// the primary group of any objects created by a process using this access token.
+func (t Token) GetTokenPrimaryGroup() (*Tokenprimarygroup, error) {
+	i, e := t.getInfo(TokenPrimaryGroup, 50)
+	if e != nil {
+		return nil, e
+	}
+	return (*Tokenprimarygroup)(i), nil
+}
+
+// GetUserProfileDirectory retrieves path to the
+// root directory of the access token t user's profile.
+func (t Token) GetUserProfileDirectory() (string, error) {
+	n := uint32(100)
+	for {
+		b := make([]uint16, n)
+		e := GetUserProfileDirectory(t, &b[0], &n)
+		if e == nil {
+			return UTF16ToString(b), nil
+		}
+		if e != ERROR_INSUFFICIENT_BUFFER {
+			return "", e
+		}
+		if n <= uint32(len(b)) {
+			return "", e
+		}
+	}
+}
+
+// IsMember reports whether the access token t is a member of the provided SID.
+func (t Token) IsMember(sid *SID) (bool, error) {
+	var b int32
+	if e := checkTokenMembership(t, sid, &b); e != nil {
+		return false, e
+	}
+	return b != 0, nil
+}

vendor/golang.org/x/sys/windows/service.go

@@ -0,0 +1,183 @@
+// Copyright 2012 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 windows
+
+package windows
+
+const (
+	SC_MANAGER_CONNECT            = 1
+	SC_MANAGER_CREATE_SERVICE     = 2
+	SC_MANAGER_ENUMERATE_SERVICE  = 4
+	SC_MANAGER_LOCK               = 8
+	SC_MANAGER_QUERY_LOCK_STATUS  = 16
+	SC_MANAGER_MODIFY_BOOT_CONFIG = 32
+	SC_MANAGER_ALL_ACCESS         = 0xf003f
+)
+
+//sys	OpenSCManager(machineName *uint16, databaseName *uint16, access uint32) (handle Handle, err error) [failretval==0] = advapi32.OpenSCManagerW
+
+const (
+	SERVICE_KERNEL_DRIVER       = 1
+	SERVICE_FILE_SYSTEM_DRIVER  = 2
+	SERVICE_ADAPTER             = 4
+	SERVICE_RECOGNIZER_DRIVER   = 8
+	SERVICE_WIN32_OWN_PROCESS   = 16
+	SERVICE_WIN32_SHARE_PROCESS = 32
+	SERVICE_WIN32               = SERVICE_WIN32_OWN_PROCESS | SERVICE_WIN32_SHARE_PROCESS
+	SERVICE_INTERACTIVE_PROCESS = 256
+	SERVICE_DRIVER              = SERVICE_KERNEL_DRIVER | SERVICE_FILE_SYSTEM_DRIVER | SERVICE_RECOGNIZER_DRIVER
+	SERVICE_TYPE_ALL            = SERVICE_WIN32 | SERVICE_ADAPTER | SERVICE_DRIVER | SERVICE_INTERACTIVE_PROCESS
+
+	SERVICE_BOOT_START   = 0
+	SERVICE_SYSTEM_START = 1
+	SERVICE_AUTO_START   = 2
+	SERVICE_DEMAND_START = 3
+	SERVICE_DISABLED     = 4
+
+	SERVICE_ERROR_IGNORE   = 0
+	SERVICE_ERROR_NORMAL   = 1
+	SERVICE_ERROR_SEVERE   = 2
+	SERVICE_ERROR_CRITICAL = 3
+
+	SC_STATUS_PROCESS_INFO = 0
+
+	SC_ACTION_NONE        = 0
+	SC_ACTION_RESTART     = 1
+	SC_ACTION_REBOOT      = 2
+	SC_ACTION_RUN_COMMAND = 3
+
+	SERVICE_STOPPED          = 1
+	SERVICE_START_PENDING    = 2
+	SERVICE_STOP_PENDING     = 3
+	SERVICE_RUNNING          = 4
+	SERVICE_CONTINUE_PENDING = 5
+	SERVICE_PAUSE_PENDING    = 6
+	SERVICE_PAUSED           = 7
+	SERVICE_NO_CHANGE        = 0xffffffff
+
+	SERVICE_ACCEPT_STOP                  = 1
+	SERVICE_ACCEPT_PAUSE_CONTINUE        = 2
+	SERVICE_ACCEPT_SHUTDOWN              = 4
+	SERVICE_ACCEPT_PARAMCHANGE           = 8
+	SERVICE_ACCEPT_NETBINDCHANGE         = 16
+	SERVICE_ACCEPT_HARDWAREPROFILECHANGE = 32
+	SERVICE_ACCEPT_POWEREVENT            = 64
+	SERVICE_ACCEPT_SESSIONCHANGE         = 128
+
+	SERVICE_CONTROL_STOP                  = 1
+	SERVICE_CONTROL_PAUSE                 = 2
+	SERVICE_CONTROL_CONTINUE              = 3
+	SERVICE_CONTROL_INTERROGATE           = 4
+	SERVICE_CONTROL_SHUTDOWN              = 5
+	SERVICE_CONTROL_PARAMCHANGE           = 6
+	SERVICE_CONTROL_NETBINDADD            = 7
+	SERVICE_CONTROL_NETBINDREMOVE         = 8
+	SERVICE_CONTROL_NETBINDENABLE         = 9
+	SERVICE_CONTROL_NETBINDDISABLE        = 10
+	SERVICE_CONTROL_DEVICEEVENT           = 11
+	SERVICE_CONTROL_HARDWAREPROFILECHANGE = 12
+	SERVICE_CONTROL_POWEREVENT            = 13
+	SERVICE_CONTROL_SESSIONCHANGE         = 14
+
+	SERVICE_ACTIVE    = 1
+	SERVICE_INACTIVE  = 2
+	SERVICE_STATE_ALL = 3
+
+	SERVICE_QUERY_CONFIG           = 1
+	SERVICE_CHANGE_CONFIG          = 2
+	SERVICE_QUERY_STATUS           = 4
+	SERVICE_ENUMERATE_DEPENDENTS   = 8
+	SERVICE_START                  = 16
+	SERVICE_STOP                   = 32
+	SERVICE_PAUSE_CONTINUE         = 64
+	SERVICE_INTERROGATE            = 128
+	SERVICE_USER_DEFINED_CONTROL   = 256
+	SERVICE_ALL_ACCESS             = STANDARD_RIGHTS_REQUIRED | SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG | SERVICE_QUERY_STATUS | SERVICE_ENUMERATE_DEPENDENTS | SERVICE_START | SERVICE_STOP | SERVICE_PAUSE_CONTINUE | SERVICE_INTERROGATE | SERVICE_USER_DEFINED_CONTROL
+	SERVICE_RUNS_IN_SYSTEM_PROCESS = 1
+	SERVICE_CONFIG_DESCRIPTION     = 1
+	SERVICE_CONFIG_FAILURE_ACTIONS = 2
+
+	NO_ERROR = 0
+
+	SC_ENUM_PROCESS_INFO = 0
+)
+
+type SERVICE_STATUS struct {
+	ServiceType             uint32
+	CurrentState            uint32
+	ControlsAccepted        uint32
+	Win32ExitCode           uint32
+	ServiceSpecificExitCode uint32
+	CheckPoint              uint32
+	WaitHint                uint32
+}
+
+type SERVICE_TABLE_ENTRY struct {
+	ServiceName *uint16
+	ServiceProc uintptr
+}
+
+type QUERY_SERVICE_CONFIG struct {
+	ServiceType      uint32
+	StartType        uint32
+	ErrorControl     uint32
+	BinaryPathName   *uint16
+	LoadOrderGroup   *uint16
+	TagId            uint32
+	Dependencies     *uint16
+	ServiceStartName *uint16
+	DisplayName      *uint16
+}
+
+type SERVICE_DESCRIPTION struct {
+	Description *uint16
+}
+
+type SERVICE_STATUS_PROCESS struct {
+	ServiceType             uint32
+	CurrentState            uint32
+	ControlsAccepted        uint32
+	Win32ExitCode           uint32
+	ServiceSpecificExitCode uint32
+	CheckPoint              uint32
+	WaitHint                uint32
+	ProcessId               uint32
+	ServiceFlags            uint32
+}
+
+type ENUM_SERVICE_STATUS_PROCESS struct {
+	ServiceName          *uint16
+	DisplayName          *uint16
+	ServiceStatusProcess SERVICE_STATUS_PROCESS
+}
+
+type SERVICE_FAILURE_ACTIONS struct {
+	ResetPeriod  uint32
+	RebootMsg    *uint16
+	Command      *uint16
+	ActionsCount uint32
+	Actions      *SC_ACTION
+}
+
+type SC_ACTION struct {
+	Type  uint32
+	Delay uint32
+}
+
+//sys	CloseServiceHandle(handle Handle) (err error) = advapi32.CloseServiceHandle
+//sys	CreateService(mgr Handle, serviceName *uint16, displayName *uint16, access uint32, srvType uint32, startType uint32, errCtl uint32, pathName *uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16, password *uint16) (handle Handle, err error) [failretval==0] = advapi32.CreateServiceW
+//sys	OpenService(mgr Handle, serviceName *uint16, access uint32) (handle Handle, err error) [failretval==0] = advapi32.OpenServiceW
+//sys	DeleteService(service Handle) (err error) = advapi32.DeleteService
+//sys	StartService(service Handle, numArgs uint32, argVectors **uint16) (err error) = advapi32.StartServiceW
+//sys	QueryServiceStatus(service Handle, status *SERVICE_STATUS) (err error) = advapi32.QueryServiceStatus
+//sys	ControlService(service Handle, control uint32, status *SERVICE_STATUS) (err error) = advapi32.ControlService
+//sys	StartServiceCtrlDispatcher(serviceTable *SERVICE_TABLE_ENTRY) (err error) = advapi32.StartServiceCtrlDispatcherW
+//sys	SetServiceStatus(service Handle, serviceStatus *SERVICE_STATUS) (err error) = advapi32.SetServiceStatus
+//sys	ChangeServiceConfig(service Handle, serviceType uint32, startType uint32, errorControl uint32, binaryPathName *uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16, password *uint16, displayName *uint16) (err error) = advapi32.ChangeServiceConfigW
+//sys	QueryServiceConfig(service Handle, serviceConfig *QUERY_SERVICE_CONFIG, bufSize uint32, bytesNeeded *uint32) (err error) = advapi32.QueryServiceConfigW
+//sys	ChangeServiceConfig2(service Handle, infoLevel uint32, info *byte) (err error) = advapi32.ChangeServiceConfig2W
+//sys	QueryServiceConfig2(service Handle, infoLevel uint32, buff *byte, buffSize uint32, bytesNeeded *uint32) (err error) = advapi32.QueryServiceConfig2W
+//sys	EnumServicesStatusEx(mgr Handle, infoLevel uint32, serviceType uint32, serviceState uint32, services *byte, bufSize uint32, bytesNeeded *uint32, servicesReturned *uint32, resumeHandle *uint32, groupName *uint16) (err error) = advapi32.EnumServicesStatusExW
+//sys   QueryServiceStatusEx(service Handle, infoLevel uint32, buff *byte, buffSize uint32, bytesNeeded *uint32) (err error) = advapi32.QueryServiceStatusEx

vendor/golang.org/x/sys/windows/str.go

@@ -0,0 +1,22 @@
+// Copyright 2009 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 windows
+
+package windows
+
+func itoa(val int) string { // do it here rather than with fmt to avoid dependency
+	if val < 0 {
+		return "-" + itoa(-val)
+	}
+	var buf [32]byte // big enough for int64
+	i := len(buf) - 1
+	for val >= 10 {
+		buf[i] = byte(val%10 + '0')
+		i--
+		val /= 10
+	}
+	buf[i] = byte(val + '0')
+	return string(buf[i:])
+}

vendor/golang.org/x/sys/windows/syscall.go

@@ -0,0 +1,74 @@
+// Copyright 2009 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 windows
+
+// Package windows contains an interface to the low-level operating system
+// primitives. OS details vary depending on the underlying system, and
+// by default, godoc will display the OS-specific documentation for the current
+// system. If you want godoc to display syscall documentation for another
+// system, set $GOOS and $GOARCH to the desired system. For example, if
+// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
+// to freebsd and $GOARCH to arm.
+//
+// The primary use of this package is inside other packages that provide a more
+// portable interface to the system, such as "os", "time" and "net".  Use
+// those packages rather than this one if you can.
+//
+// For details of the functions and data types in this package consult
+// the manuals for the appropriate operating system.
+//
+// These calls return err == nil to indicate success; otherwise
+// err represents an operating system error describing the failure and
+// holds a value of type syscall.Errno.
+package windows // import "golang.org/x/sys/windows"
+
+import (
+	"syscall"
+)
+
+// ByteSliceFromString returns a NUL-terminated slice of bytes
+// containing the text of s. If s contains a NUL byte at any
+// location, it returns (nil, syscall.EINVAL).
+func ByteSliceFromString(s string) ([]byte, error) {
+	for i := 0; i < len(s); i++ {
+		if s[i] == 0 {
+			return nil, syscall.EINVAL
+		}
+	}
+	a := make([]byte, len(s)+1)
+	copy(a, s)
+	return a, nil
+}
+
+// BytePtrFromString returns a pointer to a NUL-terminated array of
+// bytes containing the text of s. If s contains a NUL byte at any
+// location, it returns (nil, syscall.EINVAL).
+func BytePtrFromString(s string) (*byte, error) {
+	a, err := ByteSliceFromString(s)
+	if err != nil {
+		return nil, err
+	}
+	return &a[0], nil
+}
+
+// Single-word zero for use when we need a valid pointer to 0 bytes.
+// See mksyscall.pl.
+var _zero uintptr
+
+func (ts *Timespec) Unix() (sec int64, nsec int64) {
+	return int64(ts.Sec), int64(ts.Nsec)
+}
+
+func (tv *Timeval) Unix() (sec int64, nsec int64) {
+	return int64(tv.Sec), int64(tv.Usec) * 1000
+}
+
+func (ts *Timespec) Nano() int64 {
+	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
+}
+
+func (tv *Timeval) Nano() int64 {
+	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
+}

vendor/golang.org/x/sys/windows/types_windows_386.go

@@ -0,0 +1,22 @@
+// 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.
+
+package windows
+
+type WSAData struct {
+	Version      uint16
+	HighVersion  uint16
+	Description  [WSADESCRIPTION_LEN + 1]byte
+	SystemStatus [WSASYS_STATUS_LEN + 1]byte
+	MaxSockets   uint16
+	MaxUdpDg     uint16
+	VendorInfo   *byte
+}
+
+type Servent struct {
+	Name    *byte
+	Aliases **byte
+	Port    uint16
+	Proto   *byte
+}

vendor/golang.org/x/sys/windows/types_windows_amd64.go

@@ -0,0 +1,22 @@
+// 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.
+
+package windows
+
+type WSAData struct {
+	Version      uint16
+	HighVersion  uint16
+	MaxSockets   uint16
+	MaxUdpDg     uint16
+	VendorInfo   *byte
+	Description  [WSADESCRIPTION_LEN + 1]byte
+	SystemStatus [WSASYS_STATUS_LEN + 1]byte
+}
+
+type Servent struct {
+	Name    *byte
+	Aliases **byte
+	Proto   *byte
+	Port    uint16
+}

vendor/golang.org/x/sys/windows/types_windows_arm.go

@@ -0,0 +1,22 @@
+// Copyright 2018 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.
+
+package windows
+
+type WSAData struct {
+	Version      uint16
+	HighVersion  uint16
+	Description  [WSADESCRIPTION_LEN + 1]byte
+	SystemStatus [WSASYS_STATUS_LEN + 1]byte
+	MaxSockets   uint16
+	MaxUdpDg     uint16
+	VendorInfo   *byte
+}
+
+type Servent struct {
+	Name    *byte
+	Aliases **byte
+	Port    uint16
+	Proto   *byte
+}