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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RANDOMGENERATORSEEDCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RANDOMGENERATORSEEDCHECK_H11 12#include "../ClangTidyCheck.h"13#include <string>14 15namespace clang::tidy::bugprone {16 17/// Random number generator must be seeded properly.18///19/// A random number generator initialized with default value or a20/// constant expression is a security vulnerability.21///22/// For the user-facing documentation see:23/// https://clang.llvm.org/extra/clang-tidy/checks/bugprone/random-generator-seed.html24class RandomGeneratorSeedCheck : public ClangTidyCheck {25public:26 RandomGeneratorSeedCheck(StringRef Name, ClangTidyContext *Context);27 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;28 void registerMatchers(ast_matchers::MatchFinder *Finder) override;29 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;30 31private:32 template <class T>33 void checkSeed(const ast_matchers::MatchFinder::MatchResult &Result,34 const T *Func);35 36 StringRef RawDisallowedSeedTypes;37 SmallVector<StringRef, 5> DisallowedSeedTypes;38};39 40} // namespace clang::tidy::bugprone41 42#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RANDOMGENERATORSEEDCHECK_H43