mirror of
https://gitlab.kitware.com/cmake/cmake.git
synced 2026-09-25 04:09:36 +03:00
Leslie P. Polzer
e4f4ad5959
Fuzz the CMake version string parser. Tests parsing of version numbers like 1.2.3.4.
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file LICENSE.rst or https://cmake.org/licensing for details. */
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/*
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* Fuzzer for CMake's version comparison
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*
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* Tests version string parsing and comparison operations.
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*/
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include "cmSystemTools.h"
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#include "cmVersion.h"
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static constexpr size_t kMaxInputSize = 1024;
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extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
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{
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if (size == 0 || size > kMaxInputSize) {
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return 0;
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}
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std::string input(reinterpret_cast<char const*>(data), size);
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// Test version comparison with current CMake version
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_LESS, input, "3.28.0");
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER, input,
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"3.28.0");
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, input,
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"3.28.0");
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_LESS_EQUAL, input,
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"3.28.0");
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER_EQUAL, input,
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"3.28.0");
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// Compare against itself
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, input, input);
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// If input is large enough, compare two different versions from input
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if (size >= 4) {
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std::string v1(reinterpret_cast<char const*>(data), size / 2);
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std::string v2(reinterpret_cast<char const*>(data + size / 2),
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size - size / 2);
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_LESS, v1, v2);
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER, v1, v2);
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(void)cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL, v1, v2);
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}
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// Version compare with greater/less string format
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(void)cmSystemTools::VersionCompareGreater(input, "1.0.0");
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(void)cmSystemTools::VersionCompareGreaterEq(input, "1.0.0");
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return 0;
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}
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