diff options
Diffstat (limited to 'chromium/testing/libfuzzer/fuzzers/template_url_parser_fuzzer.cc')
-rw-r--r-- | chromium/testing/libfuzzer/fuzzers/template_url_parser_fuzzer.cc | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/chromium/testing/libfuzzer/fuzzers/template_url_parser_fuzzer.cc b/chromium/testing/libfuzzer/fuzzers/template_url_parser_fuzzer.cc deleted file mode 100644 index 64e91223dd7..00000000000 --- a/chromium/testing/libfuzzer/fuzzers/template_url_parser_fuzzer.cc +++ /dev/null @@ -1,70 +0,0 @@ -// Copyright 2016 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include <stddef.h> -#include <stdint.h> - -#include <random> -#include <string> - -#include "libxml/parser.h" - -#include "base/at_exit.h" -#include "base/command_line.h" -#include "base/i18n/icu_util.h" -#include "components/search_engines/search_terms_data.h" -#include "components/search_engines/template_url.h" -#include "components/search_engines/template_url_parser.h" - -class PseudoRandomFilter : public TemplateURLParser::ParameterFilter { - public: - explicit PseudoRandomFilter(uint32_t seed) : generator_(seed), pool_(0, 1) {} - ~PseudoRandomFilter() override = default; - - bool KeepParameter(const std::string&, const std::string&) override { - // Return true 254/255 times, ie: as if pool_ only returned uint8_t. - return pool_(generator_) % (UINT8_MAX + 1); - } - - private: - std::mt19937 generator_; - // Use a uint16_t here instead of uint8_t because uniform_int_distribution - // does not support 8 bit types on Windows. - std::uniform_int_distribution<uint16_t> pool_; -}; - -struct FuzzerFixedParams { - uint32_t seed_; -}; - -base::AtExitManager at_exit_manager; // used by ICU integration - -extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) { - CHECK(base::i18n::InitializeICU()); - CHECK(base::CommandLine::Init(*argc, *argv)); - return 0; -} - -void ignore(void* ctx, const char* msg, ...) { - // Error handler to avoid error message spam from libxml parser. -} - -class Env { - public: - Env() { xmlSetGenericErrorFunc(NULL, &ignore); } -}; - -extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { - static Env env; - if (size < sizeof(FuzzerFixedParams)) { - return 0; - } - const FuzzerFixedParams* params = - reinterpret_cast<const FuzzerFixedParams*>(data); - size -= sizeof(FuzzerFixedParams); - const char* char_data = reinterpret_cast<const char*>(params + 1); - PseudoRandomFilter filter(params->seed_); - TemplateURLParser::Parse(SearchTermsData(), char_data, size, &filter); - return 0; -} |