107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/*
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* Copyright (c) 2019, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define MAX_ITERATIONS 100
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openthread/cli.h>
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#include <openthread/instance.h>
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#include <openthread/ip6.h>
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#include <openthread/link.h>
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#include <openthread/tasklet.h>
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#include <openthread/thread.h>
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#include <openthread/thread_ftd.h>
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#include "fuzzer_platform.h"
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#include "common/code_utils.hpp"
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static int CliOutput(void *aContext, const char *aFormat, va_list aArguments)
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{
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OT_UNUSED_VARIABLE(aContext);
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OT_UNUSED_VARIABLE(aFormat);
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OT_UNUSED_VARIABLE(aArguments);
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return vsnprintf(nullptr, 0, aFormat, aArguments);
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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const otPanId panId = 0xdead;
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otInstance *instance = nullptr;
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uint8_t * buf = nullptr;
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VerifyOrExit(size <= 65536);
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FuzzerPlatformInit();
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instance = otInstanceInitSingle();
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otCliInit(instance, CliOutput, nullptr);
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IgnoreError(otLinkSetPanId(instance, panId));
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IgnoreError(otIp6SetEnabled(instance, true));
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IgnoreError(otThreadSetEnabled(instance, true));
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IgnoreError(otThreadBecomeLeader(instance));
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buf = static_cast<uint8_t *>(malloc(size + 1));
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memcpy(buf, data, size);
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buf[size] = '\0';
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otCliInputLine(reinterpret_cast<char *>(buf));
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VerifyOrExit(!FuzzerPlatformResetWasRequested());
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for (int i = 0; i < MAX_ITERATIONS; i++)
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{
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while (otTaskletsArePending(instance))
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{
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otTaskletsProcess(instance);
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}
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FuzzerPlatformProcess(instance);
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}
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exit:
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if (buf != nullptr)
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{
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free(buf);
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}
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if (instance != nullptr)
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{
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otInstanceFinalize(instance);
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}
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return 0;
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}
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