71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/**
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <binder/IServiceManager.h>
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#include <dlfcn.h>
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#include <utils/SystemClock.h>
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#include <utils/Timers.h>
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#include "../includes/common.h"
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bool isInitialized = false;
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bool isTestInProgress = false;
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int countRetry = 0;
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const int kMaxRetry = 16;
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static nsecs_t (*realSystemTime)(int) = nullptr;
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void init() {
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realSystemTime = (nsecs_t (*)(int))dlsym(RTLD_NEXT, "systemTime");
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if (!realSystemTime) {
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return;
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}
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isInitialized = true;
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}
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nsecs_t systemTime(int clock) {
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if (!isInitialized) {
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init();
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}
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if (isTestInProgress) {
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// Since the bug can be reproduced only when the device has been
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// up for about a month, which is not feasible in CTS environment,
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// we have overloaded systemTime() method and are returning a value
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// which mimics such condition
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if (countRetry < kMaxRetry) {
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++countRetry;
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return 1e16;
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}
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_exit (EXIT_SUCCESS);
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}
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// If test is not in progress, we don't want to hinder with
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// other calls
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return realSystemTime(clock);
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}
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int main() {
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android::sp < android::IServiceManager > serviceManager =
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android::defaultServiceManager();
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FAIL_CHECK(serviceManager);
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android::uptimeMillis();
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isTestInProgress = true;
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serviceManager->getService(android::String16("CVE-2019-0919"));
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isTestInProgress = false;
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return EXIT_SUCCESS;
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}
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