mirror of
https://github.com/klzgrad/naiveproxy.git
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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/at_exit.h"
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#include "base/check_op.h"
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#include "base/i18n/icu_util.h"
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#include "base/no_destructor.h"
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#include "url/gurl.h"
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struct TestCase {
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TestCase() { CHECK(base::i18n::InitializeICU()); }
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// used by ICU integration.
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base::AtExitManager at_exit_manager;
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};
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TestCase* test_case = new TestCase();
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// Checks that GURL's canonicalization is idempotent. This can help discover
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// issues like https://crbug.com/1128999.
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void CheckIdempotency(const GURL& url) {
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if (!url.is_valid())
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return;
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const std::string& spec = url.spec();
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GURL recanonicalized(spec);
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CHECK(recanonicalized.is_valid());
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CHECK_EQ(spec, recanonicalized.spec());
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}
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// Checks that |url.spec()| is preserved across a call to ReplaceComponents with
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// zero replacements, which is effectively a copy. This can help discover issues
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// like https://crbug.com/1075515.
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void CheckReplaceComponentsPreservesSpec(const GURL& url) {
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static const base::NoDestructor<GURL::Replacements> no_op;
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GURL copy = url.ReplaceComponents(*no_op);
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CHECK_EQ(url.is_valid(), copy.is_valid());
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if (url.is_valid()) {
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CHECK_EQ(url.spec(), copy.spec());
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}
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}
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// Entry point for LibFuzzer.
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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if (size < 1)
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return 0;
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{
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base::StringPiece string_piece_input(reinterpret_cast<const char*>(data),
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size);
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const GURL url_from_string_piece(string_piece_input);
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CheckIdempotency(url_from_string_piece);
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CheckReplaceComponentsPreservesSpec(url_from_string_piece);
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}
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// Test for StringPiece16 if size is even.
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if (size % 2 == 0) {
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base::StringPiece16 string_piece_input16(
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reinterpret_cast<const base::char16*>(data), size / 2);
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const GURL url_from_string_piece16(string_piece_input16);
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CheckIdempotency(url_from_string_piece16);
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CheckReplaceComponentsPreservesSpec(url_from_string_piece16);
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}
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// Resolve relative url tests.
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{
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size_t size_t_bytes = sizeof(size_t);
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if (size < size_t_bytes + 1) {
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return 0;
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}
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size_t relative_size =
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*reinterpret_cast<const size_t*>(data) % (size - size_t_bytes);
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std::string relative_string(
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reinterpret_cast<const char*>(data + size_t_bytes), relative_size);
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base::StringPiece string_piece_part_input(
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reinterpret_cast<const char*>(data + size_t_bytes + relative_size),
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size - relative_size - size_t_bytes);
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const GURL url_from_string_piece_part(string_piece_part_input);
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CheckIdempotency(url_from_string_piece_part);
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CheckReplaceComponentsPreservesSpec(url_from_string_piece_part);
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url_from_string_piece_part.Resolve(relative_string);
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if (relative_size % 2 == 0) {
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base::string16 relative_string16(
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reinterpret_cast<const base::char16*>(data + size_t_bytes),
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relative_size / 2);
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url_from_string_piece_part.Resolve(relative_string16);
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}
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}
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return 0;
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}
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