add jaraco to test sym links on Windows. Fixes #894

libs/jaraco/windows/api/privilege.py

@@ -0,0 +1,106 @@
+import ctypes.wintypes
+
+class LUID(ctypes.Structure):
+	_fields_ = [
+		('low_part', ctypes.wintypes.DWORD),
+		('high_part', ctypes.wintypes.LONG),
+	]
+
+	def __eq__(self, other):
+		return (
+			self.high_part == other.high_part and
+			self.low_part == other.low_part
+			)
+
+	def __ne__(self, other):
+		return not (self==other)
+
+LookupPrivilegeValue = ctypes.windll.advapi32.LookupPrivilegeValueW
+LookupPrivilegeValue.argtypes = (
+	ctypes.wintypes.LPWSTR, # system name
+	ctypes.wintypes.LPWSTR, # name
+	ctypes.POINTER(LUID),
+	)
+LookupPrivilegeValue.restype = ctypes.wintypes.BOOL
+
+class TOKEN_INFORMATION_CLASS:
+	TokenUser = 1
+	TokenGroups = 2
+	TokenPrivileges = 3
+	# ... see http://msdn.microsoft.com/en-us/library/aa379626%28VS.85%29.aspx
+
+SE_PRIVILEGE_ENABLED_BY_DEFAULT = 0x00000001
+SE_PRIVILEGE_ENABLED = 0x00000002
+SE_PRIVILEGE_REMOVED = 0x00000004
+SE_PRIVILEGE_USED_FOR_ACCESS = 0x80000000
+
+class LUID_AND_ATTRIBUTES(ctypes.Structure):
+	_fields_ = [
+		('LUID', LUID),
+		('attributes', ctypes.wintypes.DWORD),
+		]
+
+	def is_enabled(self):
+		return bool(self.attributes & SE_PRIVILEGE_ENABLED)
+
+	def enable(self):
+		self.attributes |= SE_PRIVILEGE_ENABLED
+
+	def get_name(self):
+		size = ctypes.wintypes.DWORD(10240)
+		buf = ctypes.create_unicode_buffer(size.value)
+		res = LookupPrivilegeName(None, self.LUID, buf, size)
+		if res == 0: raise RuntimeError
+		return buf[:size.value]
+
+	def __str__(self):
+		res = self.get_name()
+		if self.is_enabled(): res += ' (enabled)'
+		return res
+
+LookupPrivilegeName = ctypes.windll.advapi32.LookupPrivilegeNameW
+LookupPrivilegeName.argtypes = (
+	ctypes.wintypes.LPWSTR, # lpSystemName
+	ctypes.POINTER(LUID), # lpLuid
+	ctypes.wintypes.LPWSTR, # lpName
+	ctypes.POINTER(ctypes.wintypes.DWORD), # cchName
+	)
+LookupPrivilegeName.restype = ctypes.wintypes.BOOL
+
+class TOKEN_PRIVILEGES(ctypes.Structure):
+	_fields_ = [
+		('count', ctypes.wintypes.DWORD),
+		('privileges', LUID_AND_ATTRIBUTES*0),
+		]
+
+	def get_array(self):
+		array_type = LUID_AND_ATTRIBUTES*self.count
+		privileges = ctypes.cast(self.privileges, ctypes.POINTER(array_type)).contents
+		return privileges
+
+	def __iter__(self):
+		return iter(self.get_array())
+
+PTOKEN_PRIVILEGES = ctypes.POINTER(TOKEN_PRIVILEGES)
+
+GetTokenInformation = ctypes.windll.advapi32.GetTokenInformation
+GetTokenInformation.argtypes = [
+	ctypes.wintypes.HANDLE, # TokenHandle
+	ctypes.c_uint, # TOKEN_INFORMATION_CLASS value
+	ctypes.c_void_p, # TokenInformation
+	ctypes.wintypes.DWORD, # TokenInformationLength
+	ctypes.POINTER(ctypes.wintypes.DWORD), # ReturnLength
+	]
+GetTokenInformation.restype = ctypes.wintypes.BOOL
+
+# http://msdn.microsoft.com/en-us/library/aa375202%28VS.85%29.aspx
+AdjustTokenPrivileges = ctypes.windll.advapi32.AdjustTokenPrivileges
+AdjustTokenPrivileges.restype = ctypes.wintypes.BOOL
+AdjustTokenPrivileges.argtypes = [
+	ctypes.wintypes.HANDLE,                # TokenHandle
+	ctypes.wintypes.BOOL,                  # DisableAllPrivileges
+	PTOKEN_PRIVILEGES,              # NewState (optional)
+	ctypes.wintypes.DWORD,                 # BufferLength of PreviousState
+	PTOKEN_PRIVILEGES,              # PreviousState (out, optional)
+	ctypes.POINTER(ctypes.wintypes.DWORD), # ReturnLength
+	]