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// Copyright 2020 Google LLC
// Copyright 2025 Mikhail Khachaiants <mkhachaiants@gmail.com>
//
// 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 "uriparser/Uri.h"
#include "FuzzingUtils.h"
#include <cstddef>
#include <cstdint>
#include <utility>
#include <vector>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size) {
FuzzedDataProvider fdp(data, size);
const UriString query = consumeRemainingBytesAsString(fdp);
URI_TYPE(QueryList) * query_list = nullptr;
int item_count = -1;
const URI_CHAR * query_start = query.c_str();
const URI_CHAR * query_end = query_start + query.size();
// Break a query like "a=b&2=3" into key/value pairs.
int result =
URI_FUNC(DissectQueryMalloc)(&query_list, &item_count, query_start, query_end);
if (query_list == nullptr || result != URI_SUCCESS || item_count < 0) {
return 0;
}
int chars_required = 0;
if (URI_FUNC(ComposeQueryCharsRequired)(query_list, &chars_required) != URI_SUCCESS) {
return 0;
}
if (!chars_required) {
URI_FUNC(FreeQueryList)(query_list);
return 0;
}
// URI_FUNC(ComposeQuery) requires number of characters including terminator
const int buf_size = chars_required + 1;
std::vector<URI_CHAR> buf(buf_size, 0);
int written = -1;
// Reverse the process of uriDissectQueryMallocA.
result = URI_FUNC(ComposeQuery)(buf.data(), query_list, buf_size, &written);
URI_FUNC(FreeQueryList)(query_list);
return 0;
}
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