def test_generate_all(self): fuzzer_config = {'fuzz_form_files': True, 'fuzzed_files_extension': 'gif'} form_params = FormParameters() form_params.set_method('POST') form_params.set_action(self.url) form_params.add_input([("name", "username"), ("value", "")]) form_params.add_input([("name", "address"), ("value", "")]) form_params.add_file_input([("name", "image"), ("type", "file")]) form = MultipartContainer(form_params) freq = FuzzableRequest.from_form(form) ph = 'w3af.core.data.constants.file_templates.file_templates.rand_alpha' with patch(ph) as mock_rand_alpha: mock_rand_alpha.return_value = 'upload' generated_mutants = FileContentMutant.create_mutants(freq, self.payloads, [], False, fuzzer_config) self.assertEqual(len(generated_mutants), 2, generated_mutants) _, file_payload_abc, _ = get_template_with_payload('gif', 'abc') _, file_payload_def, _ = get_template_with_payload('gif', 'def') file_abc = NamedStringIO(file_payload_abc, 'upload.gif') file_def = NamedStringIO(file_payload_def, 'upload.gif') form_1 = MultipartContainer(copy.deepcopy(form_params)) form_2 = MultipartContainer(copy.deepcopy(form_params)) form_1['image'] = [file_abc] form_1['username'] = ['John8212'] form_1['address'] = ['Bonsai Street 123'] form_2['image'] = [file_def] form_2['username'] = ['John8212'] form_2['address'] = ['Bonsai Street 123'] expected_forms = [form_1, form_2] boundary = get_boundary() noop = '1' * len(boundary) expected_data = [encode_as_multipart(f, boundary) for f in expected_forms] expected_data = set([s.replace(boundary, noop) for s in expected_data]) generated_forms = [m.get_dc() for m in generated_mutants] generated_data = [str(f).replace(f.boundary, noop) for f in generated_forms] self.assertEqual(expected_data, set(generated_data)) str_file = generated_forms[0]['image'][0].get_value() self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(file_payload_abc, str_file) str_file = generated_forms[1]['image'][0].get_value() self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(file_payload_def, str_file) self.assertIn('name="image"; filename="upload.gif"', generated_data[0])
def __init__(self, form_params=None): super(MultipartContainer, self).__init__(form_params) self.boundary = get_boundary()
def test_mutant_creation_post_data(self): form_params = FormParameters() form_params.add_field_by_attr_items([("name", "username"), ("value", "")]) form_params.add_field_by_attr_items([("name", "address"), ("value", "")]) form_params.add_field_by_attr_items([("name", "image"), ("type", "file")]) form = MultipartContainer(form_params) freq = FuzzableRequest(self.url, post_data=form) ph = 'w3af.core.data.constants.file_templates.file_templates.rand_alpha' with patch(ph) as mock_rand_alpha: mock_rand_alpha.return_value = 'upload' generated_mutants = PostDataMutant.create_mutants(freq, self.payloads, [], False, self.fuzzer_config) self.assertEqual(len(generated_mutants), 6, generated_mutants) _, gif_file_content, _ = get_file_from_template('gif') gif_named_stringio = NamedStringIO(gif_file_content, 'upload.gif') expected_forms = [] form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = [gif_named_stringio] form['username'] = ['def'] form['address'] = ['Bonsai Street 123'] expected_forms.append(form) form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = [gif_named_stringio] form['username'] = ['abc'] form['address'] = ['Bonsai Street 123'] expected_forms.append(form) # TODO: Please note that these two multipart forms are a bug, since # they should never be created by PostDataMutant.create_mutants # (they are not setting the image as a file, just as a string) form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = ['def'] form['username'] = ['John8212'] form['address'] = ['Bonsai Street 123'] expected_forms.append(form) form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = ['abc'] form['username'] = ['John8212'] form['address'] = ['Bonsai Street 123'] expected_forms.append(form) # # TODO: /end # form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = [gif_named_stringio] form['username'] = ['John8212'] form['address'] = ['abc'] expected_forms.append(form) form = MultipartContainer(copy.deepcopy(form_params)) form['image'] = [gif_named_stringio] form['username'] = ['John8212'] form['address'] = ['def'] expected_forms.append(form) boundary = get_boundary() noop = '1' * len(boundary) expected_data = [encode_as_multipart(f, boundary) for f in expected_forms] expected_data = set([s.replace(boundary, noop) for s in expected_data]) generated_forms = [m.get_dc() for m in generated_mutants] generated_data = [str(f).replace(f.boundary, noop) for f in generated_forms] self.assertEqual(expected_data, set(generated_data)) str_file = generated_forms[0]['image'][0] self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(gif_file_content, str_file) str_file = generated_forms[1]['image'][0] self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(gif_file_content, str_file) self.assertIn('name="image"; filename="upload.gif"', generated_data[0])
def test_generate_all(self): fuzzer_config = { 'fuzz_form_files': True, 'fuzzed_files_extension': 'gif' } form_params = FormParameters() form_params.set_method('POST') form_params.set_action(self.url) form_params.add_field_by_attr_items([("name", "username"), ("value", "")]) form_params.add_field_by_attr_items([("name", "address"), ("value", "")]) form_params.add_field_by_attr_items([("name", "image"), ("type", "file")]) form = MultipartContainer(form_params) freq = FuzzableRequest.from_form(form) ph = 'w3af.core.data.constants.file_templates.file_templates.rand_alpha' with patch(ph) as mock_rand_alpha: mock_rand_alpha.return_value = 'upload' generated_mutants = FileContentMutant.create_mutants( freq, self.payloads, [], False, fuzzer_config) self.assertEqual(len(generated_mutants), 2, generated_mutants) _, file_payload_abc, _ = get_template_with_payload('gif', 'abc') _, file_payload_def, _ = get_template_with_payload('gif', 'def') file_abc = NamedStringIO(file_payload_abc, 'upload.gif') file_def = NamedStringIO(file_payload_def, 'upload.gif') form_1 = MultipartContainer(copy.deepcopy(form_params)) form_2 = MultipartContainer(copy.deepcopy(form_params)) form_1['image'] = [file_abc] form_1['username'] = ['John8212'] form_1['address'] = ['Bonsai Street 123'] form_2['image'] = [file_def] form_2['username'] = ['John8212'] form_2['address'] = ['Bonsai Street 123'] expected_forms = [form_1, form_2] boundary = get_boundary() noop = '1' * len(boundary) expected_data = [ encode_as_multipart(f, boundary) for f in expected_forms ] expected_data = set([s.replace(boundary, noop) for s in expected_data]) generated_forms = [m.get_dc() for m in generated_mutants] generated_data = [ str(f).replace(f.boundary, noop) for f in generated_forms ] self.assertEqual(expected_data, set(generated_data)) str_file = generated_forms[0]['image'][0].get_value() self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(file_payload_abc, str_file) str_file = generated_forms[1]['image'][0].get_value() self.assertIsInstance(str_file, NamedStringIO) self.assertEqual(str_file.name[-4:], '.gif') self.assertEqual(file_payload_def, str_file) self.assertIn('name="image"; filename="upload.gif"', generated_data[0])