| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ |
| #define GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ |
| |
| #include <google/protobuf/stubs/logging.h> |
| #include <google/protobuf/stubs/common.h> |
| #include <google/protobuf/arena.h> |
| |
| namespace google { |
| namespace protobuf { |
| |
| template <typename T, bool use_arena> |
| void TestParseCorruptedString(const T& message) { |
| int success_count = 0; |
| string s = message.SerializeAsString(); |
| const int kMaxIters = 900; |
| const int stride = s.size() <= kMaxIters ? 1 : s.size() / kMaxIters; |
| const int start = stride == 1 || use_arena ? 0 : (stride + 1) / 2; |
| for (int i = start; i < s.size(); i += stride) { |
| for (int c = 1 + (i % 17); c < 256; c += 2 * c + (i & 3)) { |
| s[i] ^= c; |
| google::protobuf::Arena arena; |
| T* message = |
| google::protobuf::Arena::CreateMessage<T>(use_arena ? &arena : nullptr); |
| if (message->ParseFromString(s)) { |
| ++success_count; |
| } |
| if (!use_arena) { |
| delete message; |
| } |
| s[i] ^= c; // Restore s to its original state. |
| } |
| } |
| // This next line is a low bar. But getting through the test without crashing |
| // due to use-after-free or other bugs is a big part of what we're checking. |
| GOOGLE_CHECK_GT(success_count, 0); |
| } |
| |
| namespace internal { |
| |
| class NoHeapChecker { |
| public: |
| NoHeapChecker() { |
| capture_alloc.Hook(); |
| } |
| ~NoHeapChecker(); |
| private: |
| class NewDeleteCapture { |
| public: |
| // TOOD(xiaofeng): Implement this for opensource protobuf. |
| void Hook() {} |
| void Unhook() {} |
| int alloc_count() { return 0; } |
| int free_count() { return 0; } |
| } capture_alloc; |
| }; |
| |
| } // namespace internal |
| } // namespace protobuf |
| |
| } // namespace google |
| #endif // GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ |