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/*
* Copyright 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <base/strings/stringprintf.h>
#include <gtest/gtest.h>
#include <unistd.h>
#include <chrono>
#include <functional>
#include <memory>
#include <vector>
#include "btaa/activity_attribution.h"
#include "btaa/attribution_processor.h"
using bluetooth::hci::Address;
using namespace bluetooth::activity_attribution;
using namespace std::chrono;
// mock for std::chrono::system_clock::now
static AttributionProcessor::ClockType now_ret_val;
static AttributionProcessor::ClockType fake_now() {
return now_ret_val;
}
class AttributionProcessorTest : public ::testing::Test {
protected:
void SetUp() override {
pAttProc = std::make_unique<AttributionProcessor>(fake_now);
}
void TearDown() override {
pAttProc.reset();
}
std::unique_ptr<AttributionProcessor> pAttProc;
};
static void fake_now_set_current() {
now_ret_val = system_clock::now();
}
static void fake_now_advance_1000sec() {
now_ret_val += seconds(1000s);
}
TEST_F(AttributionProcessorTest, UAFInOnWakelockReleasedRegressionTest) {
std::vector<BtaaHciPacket> btaaPackets;
Address addr;
fake_now_set_current();
// setup the condition 1 for triggering erase operation
// add 220 entries in app_activity_aggregator_
// and btaa_aggregator_
for (int i = 0; i < 220; i++) {
std::string addrStr = base::StringPrintf("21:43:65:87:a9:%02x", i + 10);
ASSERT_TRUE(Address::FromString(addrStr, addr));
BtaaHciPacket packet(Activity::ACL, addr, 30 * i);
btaaPackets.push_back(packet);
}
pAttProc->OnBtaaPackets(btaaPackets);
pAttProc->OnWakelockReleased(100);
// setup the condition 2 for triggering erase operation
// make elapsed_time_sec > 900s
fake_now_advance_1000sec();
pAttProc->OnBtaaPackets(btaaPackets);
pAttProc->OnWakelockReleased(100);
}
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