1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <binder/Binder.h>
18
19 #include <gtest/gtest.h>
20
21 #include <gui/ISurfaceComposer.h>
22 #include <gui/SurfaceComposerClient.h>
23 #include <private/gui/ComposerService.h>
24 #include <ui/Rect.h>
25
26 namespace android {
27 namespace {
28
29 class NotALayer : public BBinder {};
30
31 /**
32 * For all of these tests we make a SurfaceControl with an invalid layer handle
33 * and verify we aren't able to trick SurfaceFlinger.
34 */
35 class InvalidHandleTest : public ::testing::Test {
36 protected:
37 sp<SurfaceComposerClient> mScc;
38 sp<SurfaceControl> mNotSc;
SetUp()39 void SetUp() override {
40 mScc = new SurfaceComposerClient;
41 ASSERT_EQ(NO_ERROR, mScc->initCheck());
42 mNotSc = makeNotSurfaceControl();
43 }
44
makeNotSurfaceControl()45 sp<SurfaceControl> makeNotSurfaceControl() {
46 return new SurfaceControl(mScc, new NotALayer(), nullptr, true);
47 }
48 };
49
TEST_F(InvalidHandleTest,createSurfaceInvalidHandle)50 TEST_F(InvalidHandleTest, createSurfaceInvalidHandle) {
51 auto notSc = makeNotSurfaceControl();
52 ASSERT_EQ(nullptr,
53 mScc->createSurface(String8("lolcats"), 19, 47, PIXEL_FORMAT_RGBA_8888, 0,
54 notSc.get())
55 .get());
56 }
57
TEST_F(InvalidHandleTest,captureLayersInvalidHandle)58 TEST_F(InvalidHandleTest, captureLayersInvalidHandle) {
59 sp<ISurfaceComposer> sf(ComposerService::getComposerService());
60 sp<GraphicBuffer> outBuffer;
61
62 ASSERT_EQ(NAME_NOT_FOUND,
63 sf->captureLayers(mNotSc->getHandle(), &outBuffer, Rect::EMPTY_RECT, 1.0f));
64 }
65
66 } // namespace
67 } // namespace android
68