mirror of https://github.com/google/oss-fuzz.git
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
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// Copyright 2020 Google LLC
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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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#include <fuzzer/FuzzedDataProvider.h>
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#include <algorithm>
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#include <cstddef>
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#include <cstdint>
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#include "libusb/libusb.h"
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#include "libusb/libusbi.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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struct libusb_transfer *transfer;
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FuzzedDataProvider stream(data, size);
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uint8_t bmRequestType = stream.ConsumeIntegral<uint8_t>();
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uint8_t bRequest = stream.ConsumeIntegral<uint8_t>();
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uint16_t wValue = stream.ConsumeIntegral<uint16_t>();
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uint16_t wIndex = stream.ConsumeIntegral<uint16_t>();
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uint16_t wLength = stream.ConsumeIntegral<uint16_t>();
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std::vector<char> data_ = stream.ConsumeRemainingBytes<char>();
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unsigned char* buffer = reinterpret_cast<unsigned char*>(data_.data());
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transfer = libusb_alloc_transfer(0);
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if (!transfer) {
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return LIBUSB_ERROR_NO_MEM;
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}
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if (!buffer) {
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libusb_free_transfer(transfer);
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return LIBUSB_ERROR_NO_MEM;
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}
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libusb_fill_control_setup(
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buffer, bmRequestType, bRequest, wValue, wIndex, wLength);
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libusb_free_transfer(transfer);
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return 0;
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}
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