| //===--- ProperlySeededRandomGeneratorCheck.h - clang-tidy-------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H |
| |
| #include "../ClangTidyCheck.h" |
| #include <string> |
| |
| namespace clang { |
| namespace tidy { |
| namespace cert { |
| |
| /// Random number generator must be seeded properly. |
| /// |
| /// A random number generator initialized with default value or a |
| /// constant expression is a security vulnerability. |
| /// |
| /// For the user-facing documentation see: |
| /// http://clang.llvm.org/extra/clang-tidy/checks/cert-properly-seeded-random-generator.html |
| class ProperlySeededRandomGeneratorCheck : public ClangTidyCheck { |
| public: |
| ProperlySeededRandomGeneratorCheck(StringRef Name, ClangTidyContext *Context); |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| private: |
| template <class T> |
| void checkSeed(const ast_matchers::MatchFinder::MatchResult &Result, |
| const T *Func); |
| |
| std::string RawDisallowedSeedTypes; |
| SmallVector<StringRef, 5> DisallowedSeedTypes; |
| }; |
| |
| } // namespace cert |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H |