12134745591

Committed 03 Dec 2024 07:16AM CUT coverage: 95.295%. Remained the same

Build # 12134745591

Build Type

push

github

Committed by

web-flow

Commit Message

Merge d350f8286 into 2b3815c90

Run Details

5306 of 5568 relevant lines covered (95.29%)

11935.1 hits per line

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16.0

/src/test_lib_json/fuzz.cpp

// Copyright 2007-2019 The JsonCpp Authors
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE

#include "fuzz.h"

#include <cstdint>
#include <json/config.h>
#include <json/json.h>
#include <memory>
#include <string>

namespace Json {
class Exception;
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  Json::CharReaderBuilder builder;

  if (size < sizeof(uint32_t)) {
    return 0;
  }

  const uint32_t hash_settings = static_cast<uint32_t>(data[0]) |
                                 (static_cast<uint32_t>(data[1]) << 8) |
                                 (static_cast<uint32_t>(data[2]) << 16) |
                                 (static_cast<uint32_t>(data[3]) << 24);
  data += sizeof(uint32_t);
  size -= sizeof(uint32_t);

  builder.settings_["failIfExtra"] = hash_settings & (1 << 0);
  builder.settings_["allowComments_"] = hash_settings & (1 << 1);
  builder.settings_["strictRoot_"] = hash_settings & (1 << 2);
  builder.settings_["allowDroppedNullPlaceholders_"] = hash_settings & (1 << 3);
  builder.settings_["allowNumericKeys_"] = hash_settings & (1 << 4);
  builder.settings_["allowSingleQuotes_"] = hash_settings & (1 << 5);
  builder.settings_["failIfExtra_"] = hash_settings & (1 << 6);
  builder.settings_["rejectDupKeys_"] = hash_settings & (1 << 7);
  builder.settings_["allowSpecialFloats_"] = hash_settings & (1 << 8);
  builder.settings_["collectComments"] = hash_settings & (1 << 9);
  builder.settings_["allowTrailingCommas_"] = hash_settings & (1 << 10);

  std::unique_ptr<Json::CharReader> reader(builder.newCharReader());

  Json::Value root;
  const auto data_str = reinterpret_cast<const char*>(data);
  try {
    reader->parse(data_str, data_str + size, &root, nullptr);
  } catch (Json::Exception const&) {
  }
  // Whether it succeeded or not doesn't matter.
  return 0;
}

1	// Copyright 2007-2019 The JsonCpp Authors
2	// Distributed under MIT license, or public domain if desired and
3	// recognized in your jurisdiction.
4	// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
5
6	#include "fuzz.h"
7
8	#include <cstdint>
9	#include <json/config.h>
10	#include <json/json.h>
11	#include <memory>
12	#include <string>
13
14	namespace Json {
15	class Exception;
16	}
17
18	extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {	1✔
19	Json::CharReaderBuilder builder;	1✔
20
21	if (size < sizeof(uint32_t)) {	1✔
22	return 0;
23	}
24
25	const uint32_t hash_settings = static_cast<uint32_t>(data[0]) \|	×
26	(static_cast<uint32_t>(data[1]) << 8) \|	×
27	(static_cast<uint32_t>(data[2]) << 16) \|	×
28	(static_cast<uint32_t>(data[3]) << 24);	×
29	data += sizeof(uint32_t);	×
30	size -= sizeof(uint32_t);
31
32	builder.settings_["failIfExtra"] = hash_settings & (1 << 0);	×
33	builder.settings_["allowComments_"] = hash_settings & (1 << 1);	×
34	builder.settings_["strictRoot_"] = hash_settings & (1 << 2);	×
35	builder.settings_["allowDroppedNullPlaceholders_"] = hash_settings & (1 << 3);	×
36	builder.settings_["allowNumericKeys_"] = hash_settings & (1 << 4);	×
37	builder.settings_["allowSingleQuotes_"] = hash_settings & (1 << 5);	×
38	builder.settings_["failIfExtra_"] = hash_settings & (1 << 6);	×
39	builder.settings_["rejectDupKeys_"] = hash_settings & (1 << 7);	×
40	builder.settings_["allowSpecialFloats_"] = hash_settings & (1 << 8);	×
41	builder.settings_["collectComments"] = hash_settings & (1 << 9);	×
42	builder.settings_["allowTrailingCommas_"] = hash_settings & (1 << 10);	×
43
44	std::unique_ptr<Json::CharReader> reader(builder.newCharReader());	×
45
46	Json::Value root;	×
47	const auto data_str = reinterpret_cast<const char*>(data);
48	try {
49	reader->parse(data_str, data_str + size, &root, nullptr);	×
50	} catch (Json::Exception const&) {	×
51	}	×
52	// Whether it succeeded or not doesn't matter.
53	return 0;
54	}	1✔

open-source-parsers / jsoncpp / 12134745591

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