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#
# Author:: Seth Chisamore (<schisamo@opscode.com>)
# Author:: John Keiser (<jkeiser@opscode.com>)
# Copyright:: Copyright 2011 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'ffi'
require 'chef/reserved_names'
require 'chef/exceptions'
class Chef
module ReservedNames::Win32
module API
# Attempts to use FFI's attach_function method to link a native Win32
# function into the calling module. If this fails a dummy method is
# defined which when called, raises a helpful exception to the end-user.
def safe_attach_function(win32_func, *args)
begin
attach_function(win32_func.to_sym, *args)
rescue FFI::NotFoundError
define_method(win32_func.to_sym) do |*margs|
raise Chef::Exceptions::Win32APIFunctionNotImplemented, "This version of Windows does not implement the Win32 function [#{win32_func}]."
end
end
end
# put shared stuff (like constants) for all raw Win32 API calls
def self.extended(host)
host.extend FFI::Library
host.extend Macros
host.ffi_convention :stdcall
# Windows-specific type defs (ms-help://MS.MSDNQTR.v90.en/winprog/winprog/windows_data_types.htm):
host.typedef :ushort, :ATOM # Atom ~= Symbol: Atom table stores strings and corresponding identifiers. Application
# places a string in an atom table and receives a 16-bit integer, called an atom, that
# can be used to access the string. Placed string is called an atom name.
# See: http://msdn.microsoft.com/en-us/library/ms648708%28VS.85%29.aspx
host.typedef :bool, :BOOL
host.typedef :bool, :BOOLEAN
host.typedef :uchar, :BYTE # Byte (8 bits). Declared as unsigned char
#CALLBACK: K, # Win32.API gem-specific ?? MSDN: #define CALLBACK __stdcall
host.typedef :char, :CHAR # 8-bit Windows (ANSI) character. See http://msdn.microsoft.com/en-us/library/dd183415%28VS.85%29.aspx
host.typedef :uint32, :COLORREF # Red, green, blue (RGB) color value (32 bits). See COLORREF for more info.
host.typedef :uint32, :DWORD # 32-bit unsigned integer. The range is 0 through 4,294,967,295 decimal.
host.typedef :uint64, :DWORDLONG # 64-bit unsigned integer. The range is 0 through 18,446,744,073,709,551,615 decimal.
host.typedef :ulong, :DWORD_PTR # Unsigned long type for pointer precision. Use when casting a pointer to a long type
# to perform pointer arithmetic. (Also commonly used for general 32-bit parameters that have
# been extended to 64 bits in 64-bit Windows.) BaseTsd.h: #host.typedef ULONG_PTR DWORD_PTR;
host.typedef :uint32, :DWORD32
host.typedef :uint64, :DWORD64
host.typedef :int, :HALF_PTR # Half the size of a pointer. Use within a structure that contains a pointer and two small fields.
# BaseTsd.h: #ifdef (_WIN64) host.typedef int HALF_PTR; #else host.typedef short HALF_PTR;
host.typedef :ulong, :HACCEL # (L) Handle to an accelerator table. WinDef.h: #host.typedef HANDLE HACCEL;
# See http://msdn.microsoft.com/en-us/library/ms645526%28VS.85%29.aspx
host.typedef :ulong, :HANDLE # (L) Handle to an object. WinNT.h: #host.typedef PVOID HANDLE;
# todo: Platform-dependent! Need to change to :uint64 for Win64
host.typedef :ulong, :HBITMAP # (L) Handle to a bitmap: http://msdn.microsoft.com/en-us/library/dd183377%28VS.85%29.aspx
host.typedef :ulong, :HBRUSH # (L) Handle to a brush. http://msdn.microsoft.com/en-us/library/dd183394%28VS.85%29.aspx
host.typedef :ulong, :HCOLORSPACE # (L) Handle to a color space. http://msdn.microsoft.com/en-us/library/ms536546%28VS.85%29.aspx
host.typedef :ulong, :HCURSOR # (L) Handle to a cursor. http://msdn.microsoft.com/en-us/library/ms646970%28VS.85%29.aspx
host.typedef :ulong, :HCONV # (L) Handle to a dynamic data exchange (DDE) conversation.
host.typedef :ulong, :HCONVLIST # (L) Handle to a DDE conversation list. HANDLE - L ?
host.typedef :ulong, :HDDEDATA # (L) Handle to DDE data (structure?)
host.typedef :ulong, :HDC # (L) Handle to a device context (DC). http://msdn.microsoft.com/en-us/library/dd183560%28VS.85%29.aspx
host.typedef :ulong, :HDESK # (L) Handle to a desktop. http://msdn.microsoft.com/en-us/library/ms682573%28VS.85%29.aspx
host.typedef :ulong, :HDROP # (L) Handle to an internal drop structure.
host.typedef :ulong, :HDWP # (L) Handle to a deferred window position structure.
host.typedef :ulong, :HENHMETAFILE #(L) Handle to an enhanced metafile. http://msdn.microsoft.com/en-us/library/dd145051%28VS.85%29.aspx
host.typedef :uint, :HFILE # (I) Special file handle to a file opened by OpenFile, not CreateFile.
# WinDef.h: #host.typedef int HFILE;
host.typedef :ulong, :HFONT # (L) Handle to a font. http://msdn.microsoft.com/en-us/library/dd162470%28VS.85%29.aspx
host.typedef :ulong, :HGDIOBJ # (L) Handle to a GDI object.
host.typedef :ulong, :HGLOBAL # (L) Handle to a global memory block.
host.typedef :ulong, :HHOOK # (L) Handle to a hook. http://msdn.microsoft.com/en-us/library/ms632589%28VS.85%29.aspx
host.typedef :ulong, :HICON # (L) Handle to an icon. http://msdn.microsoft.com/en-us/library/ms646973%28VS.85%29.aspx
host.typedef :ulong, :HINSTANCE # (L) Handle to an instance. This is the base address of the module in memory.
# HMODULE and HINSTANCE are the same today, but were different in 16-bit Windows.
host.typedef :ulong, :HKEY # (L) Handle to a registry key.
host.typedef :ulong, :HKL # (L) Input locale identifier.
host.typedef :ulong, :HLOCAL # (L) Handle to a local memory block.
host.typedef :ulong, :HMENU # (L) Handle to a menu. http://msdn.microsoft.com/en-us/library/ms646977%28VS.85%29.aspx
host.typedef :ulong, :HMETAFILE # (L) Handle to a metafile. http://msdn.microsoft.com/en-us/library/dd145051%28VS.85%29.aspx
host.typedef :ulong, :HMODULE # (L) Handle to an instance. Same as HINSTANCE today, but was different in 16-bit Windows.
host.typedef :ulong, :HMONITOR # (L) Рandle to a display monitor. WinDef.h: if(WINVER >= 0x0500) host.typedef HANDLE HMONITOR;
host.typedef :ulong, :HPALETTE # (L) Handle to a palette.
host.typedef :ulong, :HPEN # (L) Handle to a pen. http://msdn.microsoft.com/en-us/library/dd162786%28VS.85%29.aspx
host.typedef :long, :HRESULT # Return code used by COM interfaces. For more info, Structure of the COM Error Codes.
# To test an HRESULT value, use the FAILED and SUCCEEDED macros.
host.typedef :ulong, :HRGN # (L) Handle to a region. http://msdn.microsoft.com/en-us/library/dd162913%28VS.85%29.aspx
host.typedef :ulong, :HRSRC # (L) Handle to a resource.
host.typedef :ulong, :HSZ # (L) Handle to a DDE string.
host.typedef :ulong, :HWINSTA # (L) Handle to a window station. http://msdn.microsoft.com/en-us/library/ms687096%28VS.85%29.aspx
host.typedef :ulong, :HWND # (L) Handle to a window. http://msdn.microsoft.com/en-us/library/ms632595%28VS.85%29.aspx
host.typedef :int, :INT # 32-bit signed integer. The range is -2147483648 through 2147483647 decimal.
host.typedef :int, :INT_PTR # Signed integer type for pointer precision. Use when casting a pointer to an integer
# to perform pointer arithmetic. BaseTsd.h:
#if defined(_WIN64) host.typedef __int64 INT_PTR; #else host.typedef int INT_PTR;
host.typedef :int32, :INT32 # 32-bit signed integer. The range is -2,147,483,648 through +...647 decimal.
host.typedef :int64, :INT64 # 64-bit signed integer. The range is –9,223,372,036,854,775,808 through +...807
host.typedef :ushort, :LANGID # Language identifier. For more information, see Locales. WinNT.h: #host.typedef WORD LANGID;
# See http://msdn.microsoft.com/en-us/library/dd318716%28VS.85%29.aspx
host.typedef :uint32, :LCID # Locale identifier. For more information, see Locales.
host.typedef :uint32, :LCTYPE # Locale information type. For a list, see Locale Information Constants.
host.typedef :uint32, :LGRPID # Language group identifier. For a list, see EnumLanguageGroupLocales.
host.typedef :long, :LONG # 32-bit signed integer. The range is -2,147,483,648 through +...647 decimal.
host.typedef :int32, :LONG32 # 32-bit signed integer. The range is -2,147,483,648 through +...647 decimal.
host.typedef :int64, :LONG64 # 64-bit signed integer. The range is –9,223,372,036,854,775,808 through +...807
host.typedef :int64, :LONGLONG # 64-bit signed integer. The range is –9,223,372,036,854,775,808 through +...807
host.typedef :long, :LONG_PTR # Signed long type for pointer precision. Use when casting a pointer to a long to
# perform pointer arithmetic. BaseTsd.h:
#if defined(_WIN64) host.typedef __int64 LONG_PTR; #else host.typedef long LONG_PTR;
host.typedef :long, :LPARAM # Message parameter. WinDef.h as follows: #host.typedef LONG_PTR LPARAM;
host.typedef :pointer, :LPBOOL # Pointer to a BOOL. WinDef.h as follows: #host.typedef BOOL far *LPBOOL;
host.typedef :pointer, :LPBYTE # Pointer to a BYTE. WinDef.h as follows: #host.typedef BYTE far *LPBYTE;
host.typedef :pointer, :LPCOLORREF # Pointer to a COLORREF value. WinDef.h as follows: #host.typedef DWORD *LPCOLORREF;
host.typedef :pointer, :LPCSTR # Pointer to a constant null-terminated string of 8-bit Windows (ANSI) characters.
# See Character Sets Used By Fonts. http://msdn.microsoft.com/en-us/library/dd183415%28VS.85%29.aspx
host.typedef :pointer, :LPCTSTR # An LPCWSTR if UNICODE is defined, an LPCSTR otherwise.
host.typedef :pointer, :LPCVOID # Pointer to a constant of any type. WinDef.h as follows: host.typedef CONST void *LPCVOID;
host.typedef :pointer, :LPCWSTR # Pointer to a constant null-terminated string of 16-bit Unicode characters.
host.typedef :pointer, :LPDWORD # Pointer to a DWORD. WinDef.h as follows: host.typedef DWORD *LPDWORD;
host.typedef :pointer, :LPHANDLE # Pointer to a HANDLE. WinDef.h as follows: host.typedef HANDLE *LPHANDLE;
host.typedef :pointer, :LPINT # Pointer to an INT.
host.typedef :pointer, :LPLONG # Pointer to an LONG.
host.typedef :pointer, :LPSECURITY_ATTRIBUTES # Pointer to SECURITY_ATTRIBUTES struct
host.typedef :pointer, :LPSTR # Pointer to a null-terminated string of 8-bit Windows (ANSI) characters.
host.typedef :pointer, :LPTSTR # An LPWSTR if UNICODE is defined, an LPSTR otherwise.
host.typedef :pointer, :LPVOID # Pointer to any type.
host.typedef :pointer, :LPWORD # Pointer to a WORD.
host.typedef :pointer, :LPWSTR # Pointer to a null-terminated string of 16-bit Unicode characters.
host.typedef :long, :LRESULT # Signed result of message processing. WinDef.h: host.typedef LONG_PTR LRESULT;
host.typedef :pointer, :LPWIN32_FIND_DATA # Pointer to WIN32_FIND_DATA struct
host.typedef :pointer, :LPBY_HANDLE_FILE_INFORMATION # Point to a BY_HANDLE_FILE_INFORMATION struct
host.typedef :pointer, :PBOOL # Pointer to a BOOL.
host.typedef :pointer, :PBOOLEAN # Pointer to a BOOL.
host.typedef :pointer, :PBYTE # Pointer to a BYTE.
host.typedef :pointer, :PCHAR # Pointer to a CHAR.
host.typedef :pointer, :PCSTR # Pointer to a constant null-terminated string of 8-bit Windows (ANSI) characters.
host.typedef :pointer, :PCTSTR # A PCWSTR if UNICODE is defined, a PCSTR otherwise.
host.typedef :pointer, :PCWSTR # Pointer to a constant null-terminated string of 16-bit Unicode characters.
host.typedef :pointer, :PDWORD # Pointer to a DWORD.
host.typedef :pointer, :PDWORDLONG # Pointer to a DWORDLONG.
host.typedef :pointer, :PDWORD_PTR # Pointer to a DWORD_PTR.
host.typedef :pointer, :PDWORD32 # Pointer to a DWORD32.
host.typedef :pointer, :PDWORD64 # Pointer to a DWORD64.
host.typedef :pointer, :PFLOAT # Pointer to a FLOAT.
host.typedef :pointer, :PHALF_PTR # Pointer to a HALF_PTR.
host.typedef :pointer, :PHANDLE # Pointer to a HANDLE.
host.typedef :pointer, :PHKEY # Pointer to an HKEY.
host.typedef :pointer, :PINT # Pointer to an INT.
host.typedef :pointer, :PINT_PTR # Pointer to an INT_PTR.
host.typedef :pointer, :PINT32 # Pointer to an INT32.
host.typedef :pointer, :PINT64 # Pointer to an INT64.
host.typedef :pointer, :PLCID # Pointer to an LCID.
host.typedef :pointer, :PLONG # Pointer to a LONG.
host.typedef :pointer, :PLONGLONG # Pointer to a LONGLONG.
host.typedef :pointer, :PLONG_PTR # Pointer to a LONG_PTR.
host.typedef :pointer, :PLONG32 # Pointer to a LONG32.
host.typedef :pointer, :PLONG64 # Pointer to a LONG64.
host.typedef :pointer, :PLUID # Pointer to a LUID.
host.typedef :pointer, :POINTER_32 # 32-bit pointer. On a 32-bit system, this is a native pointer. On a 64-bit system, this is a truncated 64-bit pointer.
host.typedef :pointer, :POINTER_64 # 64-bit pointer. On a 64-bit system, this is a native pointer. On a 32-bit system, this is a sign-extended 32-bit pointer.
host.typedef :pointer, :POINTER_SIGNED # A signed pointer.
host.typedef :pointer, :POINTER_UNSIGNED # An unsigned pointer.
host.typedef :pointer, :PSHORT # Pointer to a SHORT.
host.typedef :pointer, :PSIZE_T # Pointer to a SIZE_T.
host.typedef :pointer, :PSSIZE_T # Pointer to a SSIZE_T.
host.typedef :pointer, :PSTR # Pointer to a null-terminated string of 8-bit Windows (ANSI) characters. For more information, see Character Sets Used By Fonts.
host.typedef :pointer, :PTBYTE # Pointer to a TBYTE.
host.typedef :pointer, :PTCHAR # Pointer to a TCHAR.
host.typedef :pointer, :PTSTR # A PWSTR if UNICODE is defined, a PSTR otherwise.
host.typedef :pointer, :PUCHAR # Pointer to a UCHAR.
host.typedef :pointer, :PUHALF_PTR # Pointer to a UHALF_PTR.
host.typedef :pointer, :PUINT # Pointer to a UINT.
host.typedef :pointer, :PUINT_PTR # Pointer to a UINT_PTR.
host.typedef :pointer, :PUINT32 # Pointer to a UINT32.
host.typedef :pointer, :PUINT64 # Pointer to a UINT64.
host.typedef :pointer, :PULONG # Pointer to a ULONG.
host.typedef :pointer, :PULONGLONG # Pointer to a ULONGLONG.
host.typedef :pointer, :PULONG_PTR # Pointer to a ULONG_PTR.
host.typedef :pointer, :PULONG32 # Pointer to a ULONG32.
host.typedef :pointer, :PULONG64 # Pointer to a ULONG64.
host.typedef :pointer, :PUSHORT # Pointer to a USHORT.
host.typedef :pointer, :PVOID # Pointer to any type.
host.typedef :pointer, :PWCHAR # Pointer to a WCHAR.
host.typedef :pointer, :PWORD # Pointer to a WORD.
host.typedef :pointer, :PWSTR # Pointer to a null- terminated string of 16-bit Unicode characters.
# For more information, see Character Sets Used By Fonts.
host.typedef :ulong, :SC_HANDLE # (L) Handle to a service control manager database.
# See SCM Handles http://msdn.microsoft.com/en-us/library/ms685104%28VS.85%29.aspx
host.typedef :pointer, :SC_LOCK # Lock to a service control manager database. For more information, see SCM Handles.
host.typedef :ulong, :SERVICE_STATUS_HANDLE # (L) Handle to a service status value. See SCM Handles.
host.typedef :short, :SHORT # A 16-bit integer. The range is –32768 through 32767 decimal.
host.typedef :ulong, :SIZE_T # The maximum number of bytes to which a pointer can point. Use for a count that must span the full range of a pointer.
host.typedef :long, :SSIZE_T # Signed SIZE_T.
host.typedef :char, :TBYTE # A WCHAR if UNICODE is defined, a CHAR otherwise.TCHAR:
# http://msdn.microsoft.com/en-us/library/c426s321%28VS.80%29.aspx
host.typedef :char, :TCHAR # A WCHAR if UNICODE is defined, a CHAR otherwise.TCHAR:
host.typedef :uchar, :UCHAR # Unsigned CHAR (8 bit)
host.typedef :uint, :UHALF_PTR # Unsigned HALF_PTR. Use within a structure that contains a pointer and two small fields.
host.typedef :uint, :UINT # Unsigned INT. The range is 0 through 4294967295 decimal.
host.typedef :uint, :UINT_PTR # Unsigned INT_PTR.
host.typedef :uint32, :UINT32 # Unsigned INT32. The range is 0 through 4294967295 decimal.
host.typedef :uint64, :UINT64 # Unsigned INT64. The range is 0 through 18446744073709551615 decimal.
host.typedef :ulong, :ULONG # Unsigned LONG. The range is 0 through 4294967295 decimal.
host.typedef :ulong_long, :ULONGLONG # 64-bit unsigned integer. The range is 0 through 18446744073709551615 decimal.
host.typedef :ulong, :ULONG_PTR # Unsigned LONG_PTR.
host.typedef :uint32, :ULONG32 # Unsigned INT32. The range is 0 through 4294967295 decimal.
host.typedef :uint64, :ULONG64 # Unsigned LONG64. The range is 0 through 18446744073709551615 decimal.
host.typedef :pointer, :UNICODE_STRING # Pointer to some string structure??
host.typedef :ushort, :USHORT # Unsigned SHORT. The range is 0 through 65535 decimal.
host.typedef :ulong_long, :USN # Update sequence number (USN).
host.typedef :ushort, :WCHAR # 16-bit Unicode character. For more information, see Character Sets Used By Fonts.
# In WinNT.h: host.typedef wchar_t WCHAR;
#WINAPI: K, # Calling convention for system functions. WinDef.h: define WINAPI __stdcall
host.typedef :ushort, :WORD # 16-bit unsigned integer. The range is 0 through 65535 decimal.
host.typedef :uint, :WPARAM # Message parameter. WinDef.h as follows: host.typedef UINT_PTR WPARAM;
end
module Macros
###############################################
# winbase.h
###############################################
def LocalDiscard(pointer)
LocalReAlloc(pointer, 0, LMEM_MOVEABLE)
end
###############################################
# windef.h
###############################################
# Creates a WORD value by concatenating the specified values.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632663(v=VS.85).aspx
def MAKEWORD(low, high)
((low & 0xff) | (high & 0xff)) << 8
end
# Creates a LONG value by concatenating the specified values.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632660(v=vs.85).aspx
def MAKELONG(low, high)
((low & 0xffff) | (high & 0xffff)) << 16
end
# Retrieves the low-order word from the specified value.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632659(v=VS.85).aspx
def LOWORD(l)
l & 0xffff
end
# Retrieves the high-order word from the specified 32-bit value.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632657(v=VS.85).aspx
def HIWORD(l)
l >> 16
end
# Retrieves the low-order byte from the specified value.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632658(v=VS.85).aspx
def LOBYTE(w)
w & 0xff
end
# Retrieves the high-order byte from the given 16-bit value.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms632656(v=VS.85).aspx
def HIBYTE(w)
w >> 8
end
###############################################
# winerror.h
###############################################
def IS_ERROR(status)
status >> 31 == 1
end
def MAKE_HRESULT(sev, fac, code)
sev << 31 | fac << 16 | code
end
def MAKE_SCODE(sev, fac, code)
sev << 31 | fac << 16 | code
end
def HRESULT_CODE(hr)
hr & 0xFFFF
end
def HRESULT_FACILITY(hr)
(hr >> 16) & 0x1fff
end
def HRESULT_FROM_NT(x)
x | 0x10000000 # FACILITY_NT_BIT
end
def HRESULT_FROM_WIN32(x)
if x <= 0
x
else
(x & 0x0000FFFF) | (7 << 16) | 0x80000000
end
end
def HRESULT_SEVERITY(hr)
(hr >> 31) & 0x1
end
def FAILED(status)
status < 0
end
def SUCCEEDED(status)
status >= 0
end
end
# Represents a 64-bit unsigned integer value.
#
# http://msdn.microsoft.com/en-us/library/windows/desktop/aa383742(v=vs.85).aspx
def make_uint64(low, high)
low + (high * (2**32))
end
# http://blogs.msdn.com/b/oldnewthing/archive/2009/03/06/9461176.aspx
# January 1, 1601
WIN32_EPOC_MINUS_POSIX_EPOC = 116444736000000000
# Convert 64-bit FILETIME integer into Time object.
#
# FILETIME structure contains a 64-bit value representing the number
# of 100-nanosecond intervals since January 1, 1601 (UTC).
#
# http://msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx
#
def wtime_to_time(wtime)
Time.at((wtime - WIN32_EPOC_MINUS_POSIX_EPOC) / 10000000)
end
end
end
end
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