You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
3.7 KiB
92 lines
3.7 KiB
/*
|
|
* Copyright 2020 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 <fcntl.h>
|
|
|
|
#include <functional>
|
|
#include <type_traits>
|
|
|
|
#include <android/content/AttributionSourceState.h>
|
|
#include "fuzzer/FuzzedDataProvider.h"
|
|
#include "mediautils/ServiceUtilities.h"
|
|
|
|
static constexpr int kMaxOperations = 50;
|
|
static constexpr int kMaxStringLen = 256;
|
|
|
|
using android::content::AttributionSourceState;
|
|
|
|
const std::vector<std::function<void(FuzzedDataProvider*, android::MediaPackageManager)>>
|
|
operations = {
|
|
[](FuzzedDataProvider* data_provider, android::MediaPackageManager pm) -> void {
|
|
uid_t uid = data_provider->ConsumeIntegral<uid_t>();
|
|
pm.allowPlaybackCapture(uid);
|
|
},
|
|
[](FuzzedDataProvider* data_provider, android::MediaPackageManager pm) -> void {
|
|
int spaces = data_provider->ConsumeIntegral<int>();
|
|
|
|
// Dump everything into /dev/null
|
|
int fd = open("/dev/null", O_WRONLY);
|
|
pm.dump(fd, spaces);
|
|
close(fd);
|
|
},
|
|
};
|
|
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
FuzzedDataProvider data_provider(data, size);
|
|
int32_t uid = data_provider.ConsumeIntegral<int32_t>();
|
|
int32_t pid = data_provider.ConsumeIntegral<int32_t>();
|
|
audio_source_t source = static_cast<audio_source_t>(data_provider
|
|
.ConsumeIntegral<std::underlying_type_t<audio_source_t>>());
|
|
|
|
std::string packageNameStr = data_provider.ConsumeRandomLengthString(kMaxStringLen);
|
|
std::string msgStr = data_provider.ConsumeRandomLengthString(kMaxStringLen);
|
|
android::String16 msgStr16(packageNameStr.c_str());
|
|
AttributionSourceState attributionSource;
|
|
attributionSource.packageName = packageNameStr;
|
|
attributionSource.uid = uid;
|
|
attributionSource.pid = pid;
|
|
attributionSource.token = android::sp<android::BBinder>::make();
|
|
|
|
// There is not state here, and order is not significant,
|
|
// so we can simply call all of the target functions
|
|
android::isServiceUid(uid);
|
|
android::isAudioServerUid(uid);
|
|
android::isAudioServerOrSystemServerUid(uid);
|
|
android::isAudioServerOrMediaServerUid(uid);
|
|
android::recordingAllowed(attributionSource);
|
|
android::startRecording(attributionSource, msgStr16, source);
|
|
android::finishRecording(attributionSource, source);
|
|
android::captureAudioOutputAllowed(attributionSource);
|
|
android::captureMediaOutputAllowed(attributionSource);
|
|
android::captureHotwordAllowed(attributionSource);
|
|
android::modifyPhoneStateAllowed(attributionSource);
|
|
android::bypassInterruptionPolicyAllowed(attributionSource);
|
|
android::settingsAllowed();
|
|
android::modifyAudioRoutingAllowed();
|
|
android::modifyDefaultAudioEffectsAllowed();
|
|
android::dumpAllowed();
|
|
|
|
// MediaPackageManager does have state, so we need the fuzzer to decide order
|
|
android::MediaPackageManager packageManager;
|
|
size_t ops_run = 0;
|
|
while (data_provider.remaining_bytes() > 0 && ops_run++ < kMaxOperations) {
|
|
uint8_t op = data_provider.ConsumeIntegralInRange<uint8_t>(0, operations.size() - 1);
|
|
operations[op](&data_provider, packageManager);
|
|
}
|
|
|
|
return 0;
|
|
}
|