windows: add functions to get named pipe process IDs

Fixes https://github.com/golang/go/issues/70086

Change-Id: I0cd188f075490b1ea630b26b74aa201796d60d3a
GitHub-Last-Rev: 498fe730f2
GitHub-Pull-Request: golang/sys#235
Reviewed-on: https://go-review.googlesource.com/c/sys/+/626215
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>

windows/syscall_windows.go

@@ -168,6 +168,8 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	CreateNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *SecurityAttributes) (handle Handle, err error)  [failretval==InvalidHandle] = CreateNamedPipeW
 //sys	ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error)
 //sys	DisconnectNamedPipe(pipe Handle) (err error)
+//sys   GetNamedPipeClientProcessId(pipe Handle, clientProcessID *uint32) (err error)
+//sys   GetNamedPipeServerProcessId(pipe Handle, serverProcessID *uint32) (err error)
 //sys	GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error)
 //sys	GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
 //sys	SetNamedPipeHandleState(pipe Handle, state *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32) (err error) = SetNamedPipeHandleState

windows/types_windows.go

@@ -176,6 +176,7 @@ const (
 	WAIT_FAILED    = 0xFFFFFFFF
 
 	// Access rights for process.
+	PROCESS_ALL_ACCESS                = 0xFFFF
 	PROCESS_CREATE_PROCESS            = 0x0080
 	PROCESS_CREATE_THREAD             = 0x0002
 	PROCESS_DUP_HANDLE                = 0x0040

windows/zsyscall_windows.go

@@ -280,8 +280,10 @@ var (
 	procGetMaximumProcessorCount                             = modkernel32.NewProc("GetMaximumProcessorCount")
 	procGetModuleFileNameW                                   = modkernel32.NewProc("GetModuleFileNameW")
 	procGetModuleHandleExW                                   = modkernel32.NewProc("GetModuleHandleExW")
+	procGetNamedPipeClientProcessId                          = modkernel32.NewProc("GetNamedPipeClientProcessId")
 	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
 	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
+	procGetNamedPipeServerProcessId                          = modkernel32.NewProc("GetNamedPipeServerProcessId")
 	procGetOverlappedResult                                  = modkernel32.NewProc("GetOverlappedResult")
 	procGetPriorityClass                                     = modkernel32.NewProc("GetPriorityClass")
 	procGetProcAddress                                       = modkernel32.NewProc("GetProcAddress")
@@ -2446,6 +2448,14 @@ func GetModuleHandleEx(flags uint32, moduleName *uint16, module *Handle) (err er
 	return
 }
 
+func GetNamedPipeClientProcessId(pipe Handle, clientProcessID *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetNamedPipeClientProcessId.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(clientProcessID)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func GetNamedPipeHandleState(pipe Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
 	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
 	if r1 == 0 {
@@ -2462,6 +2472,14 @@ func GetNamedPipeInfo(pipe Handle, flags *uint32, outSize *uint32, inSize *uint3
 	return
 }
 
+func GetNamedPipeServerProcessId(pipe Handle, serverProcessID *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetNamedPipeServerProcessId.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(serverProcessID)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func GetOverlappedResult(handle Handle, overlapped *Overlapped, done *uint32, wait bool) (err error) {
 	var _p0 uint32
 	if wait {