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.
76 lines
3.6 KiB
76 lines
3.6 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 "android-base/file.h"
|
|
#include "fuzzer/FuzzedDataProvider.h"
|
|
#include "input/PropertyMap.h"
|
|
#include "utils/String8.h"
|
|
|
|
static constexpr int MAX_FILE_SIZE = 256;
|
|
static constexpr int MAX_STR_LEN = 2048;
|
|
static constexpr int MAX_OPERATIONS = 1000;
|
|
|
|
static const std::vector<std::function<void(FuzzedDataProvider*, android::PropertyMap)>>
|
|
operations = {
|
|
[](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
|
|
propertyMap.getProperties();
|
|
},
|
|
[](FuzzedDataProvider*, android::PropertyMap propertyMap) -> void {
|
|
propertyMap.clear();
|
|
},
|
|
[](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
|
|
std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
|
|
android::String8 key = android::String8(keyStr.c_str());
|
|
propertyMap.hasProperty(key);
|
|
},
|
|
[](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
|
|
std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
|
|
android::String8 key = android::String8(keyStr.c_str());
|
|
android::String8 out;
|
|
propertyMap.tryGetProperty(key, out);
|
|
},
|
|
[](FuzzedDataProvider* dataProvider, android::PropertyMap /*unused*/) -> void {
|
|
TemporaryFile tf;
|
|
// Generate file contents
|
|
std::string contents = dataProvider->ConsumeRandomLengthString(MAX_FILE_SIZE);
|
|
// If we have string contents, dump them into the file.
|
|
// Otherwise, just leave it as an empty file.
|
|
if (contents.length() > 0) {
|
|
const char* bytes = contents.c_str();
|
|
android::base::WriteStringToFd(bytes, tf.fd);
|
|
}
|
|
android::PropertyMap::load(tf.path);
|
|
},
|
|
[](FuzzedDataProvider* dataProvider, android::PropertyMap propertyMap) -> void {
|
|
std::string keyStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
|
|
std::string valStr = dataProvider->ConsumeRandomLengthString(MAX_STR_LEN);
|
|
android::String8 key = android::String8(keyStr.c_str());
|
|
android::String8 val = android::String8(valStr.c_str());
|
|
propertyMap.addProperty(key, val);
|
|
},
|
|
};
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
FuzzedDataProvider dataProvider(data, size);
|
|
android::PropertyMap propertyMap = android::PropertyMap();
|
|
|
|
int opsRun = 0;
|
|
while (dataProvider.remaining_bytes() > 0 && opsRun++ < MAX_OPERATIONS) {
|
|
uint8_t op = dataProvider.ConsumeIntegralInRange<uint8_t>(0, operations.size() - 1);
|
|
operations[op](&dataProvider, propertyMap);
|
|
}
|
|
return 0;
|
|
}
|