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#!/usr/bin/env python
# Copyright 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Verifies that embedding UAC information into the manifest works.
"""
import TestGyp
import sys
from xml.dom.minidom import parseString
if sys.platform == 'win32':
import pywintypes
import win32api
import winerror
RT_MANIFEST = 24
class LoadLibrary(object):
"""Context manager for loading and releasing binaries in Windows.
Yields the handle of the binary loaded."""
def __init__(self, path):
self._path = path
self._handle = None
def __enter__(self):
self._handle = win32api.LoadLibrary(self._path)
return self._handle
def __exit__(self, type, value, traceback):
win32api.FreeLibrary(self._handle)
def extract_manifest(path, resource_name):
"""Reads manifest from |path| and returns it as a string.
Returns None is there is no such manifest."""
with LoadLibrary(path) as handle:
try:
return win32api.LoadResource(handle, RT_MANIFEST, resource_name)
except pywintypes.error as error:
if error.args[0] == winerror.ERROR_RESOURCE_DATA_NOT_FOUND:
return None
else:
raise
test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
CHDIR = 'linker-flags'
test.run_gyp('enable-uac.gyp', chdir=CHDIR)
test.build('enable-uac.gyp', test.ALL, chdir=CHDIR)
# The following binaries must contain a manifest embedded.
test.fail_test(not extract_manifest(test.built_file_path(
'enable_uac.exe', chdir=CHDIR), 1))
test.fail_test(not extract_manifest(test.built_file_path(
'enable_uac_no.exe', chdir=CHDIR), 1))
test.fail_test(not extract_manifest(test.built_file_path(
'enable_uac_admin.exe', chdir=CHDIR), 1))
# Verify that <requestedExecutionLevel level="asInvoker" uiAccess="false" />
# is present.
manifest = parseString(extract_manifest(
test.built_file_path('enable_uac.exe', chdir=CHDIR), 1))
execution_level = manifest.getElementsByTagName('requestedExecutionLevel')
test.fail_test(len(execution_level) != 1)
execution_level = execution_level[0].attributes
def _has_key(node, key):
# 'in' doesn't work with the NamedNodeMap interface in Python2,
# but 'has_key' was removed from it in Python3, so we need to
# shim things :(.
if hasattr(node, 'has_key'):
return node.has_key(key)
return key in node
test.fail_test(not (
_has_key(execution_level, 'level') and
_has_key(execution_level, 'uiAccess') and
execution_level['level'].nodeValue == 'asInvoker' and
execution_level['uiAccess'].nodeValue == 'false'))
# Verify that <requestedExecutionLevel> is not in the menifest.
manifest = parseString(extract_manifest(
test.built_file_path('enable_uac_no.exe', chdir=CHDIR), 1))
execution_level = manifest.getElementsByTagName('requestedExecutionLevel')
test.fail_test(len(execution_level) != 0)
# Verify that <requestedExecutionLevel level="requireAdministrator"
# uiAccess="true" /> is present.
manifest = parseString(extract_manifest(
test.built_file_path('enable_uac_admin.exe', chdir=CHDIR), 1))
execution_level = manifest.getElementsByTagName('requestedExecutionLevel')
test.fail_test(len(execution_level) != 1)
execution_level = execution_level[0].attributes
test.fail_test(not (
_has_key(execution_level, 'level') and
_has_key(execution_level, 'uiAccess') and
execution_level['level'].nodeValue == 'requireAdministrator' and
execution_level['uiAccess'].nodeValue == 'true'))
test.pass_test()
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