update golang libraries (#15258) (#15260)

vendor/golang.org/x/sys/windows/svc/security.go

@@ -7,6 +7,10 @@
 package svc
 
 import (
+	"path/filepath"
+	"strings"
+	"unsafe"
+
 	"golang.org/x/sys/windows"
 )
 
@@ -23,6 +27,8 @@ func allocSid(subAuth0 uint32) (*windows.SID, error) {
 // IsAnInteractiveSession determines if calling process is running interactively.
 // It queries the process token for membership in the Interactive group.
 // http://stackoverflow.com/questions/2668851/how-do-i-detect-that-my-application-is-running-as-service-or-in-an-interactive-s
+//
+// Deprecated: Use IsWindowsService instead.
 func IsAnInteractiveSession() (bool, error) {
 	interSid, err := allocSid(windows.SECURITY_INTERACTIVE_RID)
 	if err != nil {
@@ -57,3 +63,46 @@ func IsAnInteractiveSession() (bool, error) {
 	}
 	return false, nil
 }
+
+// IsWindowsService reports whether the process is currently executing
+// as a Windows service.
+func IsWindowsService() (bool, error) {
+	// The below technique looks a bit hairy, but it's actually
+	// exactly what the .NET framework does for the similarly named function:
+	// https://github.com/dotnet/extensions/blob/f4066026ca06984b07e90e61a6390ac38152ba93/src/Hosting/WindowsServices/src/WindowsServiceHelpers.cs#L26-L31
+	// Specifically, it looks up whether the parent process has session ID zero
+	// and is called "services".
+
+	var pbi windows.PROCESS_BASIC_INFORMATION
+	pbiLen := uint32(unsafe.Sizeof(pbi))
+	err := windows.NtQueryInformationProcess(windows.CurrentProcess(), windows.ProcessBasicInformation, unsafe.Pointer(&pbi), pbiLen, &pbiLen)
+	if err != nil {
+		return false, err
+	}
+	var psid uint32
+	err = windows.ProcessIdToSessionId(uint32(pbi.InheritedFromUniqueProcessId), &psid)
+	if err != nil || psid != 0 {
+		return false, nil
+	}
+	pproc, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pbi.InheritedFromUniqueProcessId))
+	if err != nil {
+		return false, err
+	}
+	defer windows.CloseHandle(pproc)
+	var exeNameBuf [261]uint16
+	exeNameLen := uint32(len(exeNameBuf) - 1)
+	err = windows.QueryFullProcessImageName(pproc, 0, &exeNameBuf[0], &exeNameLen)
+	if err != nil {
+		return false, err
+	}
+	exeName := windows.UTF16ToString(exeNameBuf[:exeNameLen])
+	if !strings.EqualFold(filepath.Base(exeName), "services.exe") {
+		return false, nil
+	}
+	system32, err := windows.GetSystemDirectory()
+	if err != nil {
+		return false, err
+	}
+	targetExeName := filepath.Join(system32, "services.exe")
+	return strings.EqualFold(exeName, targetExeName), nil
+}

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

@@ -71,11 +71,13 @@ const (
 
 // Status combines State and Accepted commands to fully describe running service.
 type Status struct {
-	State      State
-	Accepts    Accepted
-	CheckPoint uint32 // used to report progress during a lengthy operation
-	WaitHint   uint32 // estimated time required for a pending operation, in milliseconds
-	ProcessId  uint32 // if the service is running, the process identifier of it, and otherwise zero
+	State                   State
+	Accepts                 Accepted
+	CheckPoint              uint32 // used to report progress during a lengthy operation
+	WaitHint                uint32 // estimated time required for a pending operation, in milliseconds
+	ProcessId               uint32 // if the service is running, the process identifier of it, and otherwise zero
+	Win32ExitCode           uint32 // set if the service has exited with a win32 exit code
+	ServiceSpecificExitCode uint32 // set if the service has exited with a service-specific exit code
 }
 
 // ChangeRequest is sent to the service Handler to request service status change.

vendor/golang.org/x/sys/windows/svc/sys_windows_386.s

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build windows
-
 // func servicemain(argc uint32, argv **uint16)
 TEXT ·servicemain(SB),7,$0
 	MOVL	argc+0(FP), AX

vendor/golang.org/x/sys/windows/svc/sys_windows_amd64.s

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build windows
-
 // func servicemain(argc uint32, argv **uint16)
 TEXT ·servicemain(SB),7,$0
 	MOVQ	SP, AX

vendor/golang.org/x/sys/windows/svc/sys_windows_arm.s

@@ -2,15 +2,13 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build windows
-
 #include "textflag.h"
 
 // func servicemain(argc uint32, argv **uint16)
 TEXT ·servicemain(SB),NOSPLIT|NOFRAME,$0
 	MOVM.DB.W [R4, R14], (R13)	// push {r4, lr}
-	MOVW    R13, R4
-	BIC     $0x7, R13		// alignment for ABI
+	MOVW	R13, R4
+	BIC	$0x7, R13		// alignment for ABI
 
 	MOVW	R0, ·sArgc(SB)
 	MOVW	R1, ·sArgv(SB)
@@ -19,19 +17,19 @@ TEXT ·servicemain(SB),NOSPLIT|NOFRAME,$0
 	MOVW	·ctlHandlerExProc(SB), R1
 	MOVW	$0, R2
 	MOVW	·cRegisterServiceCtrlHandlerExW(SB), R3
-	BL      (R3)
-	CMP     $0, R0
-	BEQ     exit
+	BL	(R3)
+	CMP	$0, R0
+	BEQ	exit
 	MOVW	R0, ·ssHandle(SB)
 
 	MOVW	·goWaitsH(SB), R0
 	MOVW	·cSetEvent(SB), R1
-	BL      (R1)
+	BL	(R1)
 
 	MOVW	·cWaitsH(SB), R0
 	MOVW	$-1, R1
 	MOVW	·cWaitForSingleObject(SB), R2
-	BL      (R2)
+	BL	(R2)
 
 exit:
 	MOVW	R4, R13			// free extra stack space

vendor/golang.org/x/sys/windows/svc/sys_windows_arm64.s

@@ -0,0 +1,31 @@
+// 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"
+
+// func servicemain(argc uint32, argv **uint16)
+TEXT ·servicemain(SB),NOSPLIT|NOFRAME,$0
+	MOVD	R0, ·sArgc(SB)
+	MOVD	R1, ·sArgv(SB)
+
+	MOVD	·sName(SB), R0
+	MOVD	·ctlHandlerExProc(SB), R1
+	MOVD	$0, R2
+	MOVD	·cRegisterServiceCtrlHandlerExW(SB), R3
+	BL	(R3)
+	CMP	$0, R0
+	BEQ	exit
+	MOVD	R0, ·ssHandle(SB)
+
+	MOVD	·goWaitsH(SB), R0
+	MOVD	·cSetEvent(SB), R1
+	BL	(R1)
+
+	MOVD	·cWaitsH(SB), R0
+	MOVD	$-1, R1
+	MOVD	·cWaitForSingleObject(SB), R2
+	BL	(R2)
+
+exit:
+	RET