vendor: Bump hcsshim to 0.9.0

This change bumps hcsshim to 0.9.0. Main thing this tag contains is support for
Kubernetes Host Process containers
See: https://kubernetes.io/docs/tasks/configure-pod-container/create-hostprocess-pod/

Signed-off-by: Daniel Canter <dcanter@microsoft.com>

vendor/github.com/Microsoft/hcsshim/internal/winapi/memory.go

@@ -1,27 +1,4 @@
 package winapi
 
-// VOID RtlMoveMemory(
-// 	_Out_       VOID UNALIGNED *Destination,
-// 	_In_  const VOID UNALIGNED *Source,
-// 	_In_        SIZE_T         Length
-// );
-//sys RtlMoveMemory(destination *byte, source *byte, length uintptr) (err error) = kernel32.RtlMoveMemory
-
 //sys LocalAlloc(flags uint32, size int) (ptr uintptr) = kernel32.LocalAlloc
 //sys LocalFree(ptr uintptr) = kernel32.LocalFree
-
-// BOOL QueryWorkingSet(
-//	HANDLE hProcess,
-//	PVOID  pv,
-//	DWORD  cb
-// );
-//sys QueryWorkingSet(handle windows.Handle, pv uintptr, cb uint32) (err error) = psapi.QueryWorkingSet
-
-type PSAPI_WORKING_SET_INFORMATION struct {
-	NumberOfEntries uintptr
-	WorkingSetInfo  [1]PSAPI_WORKING_SET_BLOCK
-}
-
-type PSAPI_WORKING_SET_BLOCK struct {
-	Flags uintptr
-}

vendor/github.com/Microsoft/hcsshim/internal/winapi/utils.go

@@ -20,36 +20,41 @@ func Uint16BufferToSlice(buffer *uint16, bufferLength int) (result []uint16) {
 	return
 }
 
+// UnicodeString corresponds to UNICODE_STRING win32 struct defined here
+// https://docs.microsoft.com/en-us/windows/win32/api/ntdef/ns-ntdef-_unicode_string
 type UnicodeString struct {
 	Length        uint16
 	MaximumLength uint16
 	Buffer        *uint16
 }
 
+// NTSTRSAFE_UNICODE_STRING_MAX_CCH is a constant defined in ntstrsafe.h. This value
+// denotes the maximum number of wide chars a path can have.
+const NTSTRSAFE_UNICODE_STRING_MAX_CCH = 32767
+
 //String converts a UnicodeString to a golang string
 func (uni UnicodeString) String() string {
 	// UnicodeString is not guaranteed to be null terminated, therefore
 	// use the UnicodeString's Length field
-	return syscall.UTF16ToString(Uint16BufferToSlice(uni.Buffer, int(uni.Length/2)))
+	return windows.UTF16ToString(Uint16BufferToSlice(uni.Buffer, int(uni.Length/2)))
 }
 
 // NewUnicodeString allocates a new UnicodeString and copies `s` into
 // the buffer of the new UnicodeString.
 func NewUnicodeString(s string) (*UnicodeString, error) {
-	// Get length of original `s` to use in the UnicodeString since the `buf`
-	// created later will have an additional trailing null character
-	length := len(s)
-	if length > 32767 {
-		return nil, syscall.ENAMETOOLONG
-	}
-
 	buf, err := windows.UTF16FromString(s)
 	if err != nil {
 		return nil, err
 	}
+
+	if len(buf) > NTSTRSAFE_UNICODE_STRING_MAX_CCH {
+		return nil, syscall.ENAMETOOLONG
+	}
+
 	uni := &UnicodeString{
-		Length:        uint16(length * 2),
-		MaximumLength: uint16(length * 2),
+		// The length is in bytes and should not include the trailing null character.
+		Length:        uint16((len(buf) - 1) * 2),
+		MaximumLength: uint16((len(buf) - 1) * 2),
 		Buffer:        &buf[0],
 	}
 	return uni, nil

vendor/github.com/Microsoft/hcsshim/internal/winapi/zsyscall_windows.go

@@ -41,7 +41,6 @@ var (
 	modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
 	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
 	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
-	modpsapi    = windows.NewLazySystemDLL("psapi.dll")
 	modcfgmgr32 = windows.NewLazySystemDLL("cfgmgr32.dll")
 
 	procNtQuerySystemInformation               = modntdll.NewProc("NtQuerySystemInformation")
@@ -57,10 +56,8 @@ var (
 	procNtOpenJobObject                        = modntdll.NewProc("NtOpenJobObject")
 	procNtCreateJobObject                      = modntdll.NewProc("NtCreateJobObject")
 	procLogonUserW                             = modadvapi32.NewProc("LogonUserW")
-	procRtlMoveMemory                          = modkernel32.NewProc("RtlMoveMemory")
 	procLocalAlloc                             = modkernel32.NewProc("LocalAlloc")
 	procLocalFree                              = modkernel32.NewProc("LocalFree")
-	procQueryWorkingSet                        = modpsapi.NewProc("QueryWorkingSet")
 	procGetProcessImageFileNameW               = modkernel32.NewProc("GetProcessImageFileNameW")
 	procGetActiveProcessorCount                = modkernel32.NewProc("GetActiveProcessorCount")
 	procCM_Get_Device_ID_List_SizeA            = modcfgmgr32.NewProc("CM_Get_Device_ID_List_SizeA")
@@ -219,18 +216,6 @@ func LogonUser(username *uint16, domain *uint16, password *uint16, logonType uin
 	return
 }
 
-func RtlMoveMemory(destination *byte, source *byte, length uintptr) (err error) {
-	r1, _, e1 := syscall.Syscall(procRtlMoveMemory.Addr(), 3, uintptr(unsafe.Pointer(destination)), uintptr(unsafe.Pointer(source)), uintptr(length))
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
 func LocalAlloc(flags uint32, size int) (ptr uintptr) {
 	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(flags), uintptr(size), 0)
 	ptr = uintptr(r0)
@@ -242,18 +227,6 @@ func LocalFree(ptr uintptr) {
 	return
 }
 
-func QueryWorkingSet(handle windows.Handle, pv uintptr, cb uint32) (err error) {
-	r1, _, e1 := syscall.Syscall(procQueryWorkingSet.Addr(), 3, uintptr(handle), uintptr(pv), uintptr(cb))
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
 func GetProcessImageFileName(hProcess windows.Handle, imageFileName *uint16, nSize uint32) (size uint32, err error) {
 	r0, _, e1 := syscall.Syscall(procGetProcessImageFileNameW.Addr(), 3, uintptr(hProcess), uintptr(unsafe.Pointer(imageFileName)), uintptr(nSize))
 	size = uint32(r0)