mirror of
https://github.com/bblanchon/ArduinoJson.git
synced 2025-07-17 04:22:18 +02:00
Added fuzzer
This commit is contained in:
Benoit Blanchon
3
.gitignore
vendored
3
.gitignore
vendored
@ -6,3 +6,6 @@
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/sftp-config.json
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/sftp-config.json
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.tags
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.tags
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.tags_sorted_by_file
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.tags_sorted_by_file
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/fuzzing/*_fuzzer
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/fuzzing/*_fuzzer.options
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/fuzzing/*_fuzzer_seed_corpus.zip
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19
fuzzing/Makefile
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19
fuzzing/Makefile
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# CAUTION: this file is invoked by https://github.com/google/oss-fuzz
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CXXFLAGS += -I../include
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all: \
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$(OUT)/json_fuzzer \
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$(OUT)/json_fuzzer_seed_corpus.zip \
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$(OUT)/json_fuzzer.options
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$(OUT)/json_fuzzer: fuzzer.cpp
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$(CXX) $(CXXFLAGS) $< -o$@ $(LIB_FUZZING_ENGINE)
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$(OUT)/json_fuzzer_seed_corpus.zip: seed_corpus/*
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zip -j $@ $?
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$(OUT)/json_fuzzer.options:
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@echo "[libfuzzer]" > $@
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@echo "max_len = 256" >> $@
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@echo "timeout = 10" >> $@
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8
fuzzing/fuzz.sh
Executable file
8
fuzzing/fuzz.sh
Executable file
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#!/bin/bash
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# This script mimics an invocation from https://github.com/google/oss-fuzz
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export CXX='clang++'
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export CXXFLAGS='-fsanitize-coverage=trace-pc-guard -fsanitize=address'
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export LIB_FUZZING_ENGINE=-lFuzzer
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make OUT=.
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./json_fuzzer my_corpus seed_corpus
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23
fuzzing/fuzzer.cpp
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23
fuzzing/fuzzer.cpp
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#include <ArduinoJson.h>
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class memstream : public std::istream {
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struct membuf : std::streambuf {
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membuf(const uint8_t *p, size_t l) {
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setg((char *)p, (char *)p, (char *)p + l);
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}
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};
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membuf _buffer;
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public:
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memstream(const uint8_t *p, size_t l)
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: std::istream(&_buffer), _buffer(p, l) {
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rdbuf(&_buffer);
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}
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};
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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DynamicJsonBuffer jsonBuffer;
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memstream json(data, size);
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jsonBuffer.parse(json);
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return 0;
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}
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2
fuzzing/my_corpus/.gitignore
vendored
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2
fuzzing/my_corpus/.gitignore
vendored
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*
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!.gitignore
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8
fuzzing/seed_corpus/ArduinoJson.json
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8
fuzzing/seed_corpus/ArduinoJson.json
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{
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"sensor": "gps",
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"time": 1351824120,
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"data": [
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48.75608,
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2.302038
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]
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}
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53
fuzzing/seed_corpus/OpenWeatherMap.json
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53
fuzzing/seed_corpus/OpenWeatherMap.json
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{
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"coord": {
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"lon": -0.13,
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"lat": 51.51
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},
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"weather": [
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{
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"id": 301,
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"main": "Drizzle",
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"description": "drizzle",
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"icon": "09n"
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},
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{
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"id": 701,
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"main": "Mist",
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"description": "mist",
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"icon": "50n"
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},
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{
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"id": 741,
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"main": "Fog",
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"description": "fog",
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"icon": "50n"
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}
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],
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"base": "stations",
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"main": {
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"temp": 281.87,
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"pressure": 1032,
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"humidity": 100,
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"temp_min": 281.15,
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"temp_max": 283.15
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},
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"visibility": 2900,
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"wind": {
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"speed": 1.5
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},
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"clouds": {
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"all": 90
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},
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"dt": 1483820400,
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"sys": {
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"type": 1,
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"id": 5091,
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"message": 0.0226,
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"country": "GB",
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"sunrise": 1483776245,
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"sunset": 1483805443
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},
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"id": 2643743,
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"name": "London",
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"cod": 200
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}
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90
fuzzing/seed_corpus/WeatherUnderground.json
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90
fuzzing/seed_corpus/WeatherUnderground.json
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{
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"response": {
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"version": "0.1",
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"termsofService": "http://www.wunderground.com/weather/api/d/terms.html",
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"features": {
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"conditions": 1
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}
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},
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"current_observation": {
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"image": {
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"url": "http://icons-ak.wxug.com/graphics/wu2/logo_130x80.png",
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"title": "Weather Underground",
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"link": "http://www.wunderground.com"
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},
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"display_location": {
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"full": "San Francisco, CA",
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"city": "San Francisco",
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"state": "CA",
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"state_name": "California",
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"country": "US",
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"country_iso3166": "US",
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"zip": "94101",
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"latitude": "37.77500916",
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"longitude": "-122.41825867",
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"elevation": "47.00000000"
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},
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"observation_location": {
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"full": "SOMA - Near Van Ness, San Francisco, California",
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"city": "SOMA - Near Van Ness, San Francisco",
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"state": "California",
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"country": "US",
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"country_iso3166": "US",
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"latitude": "37.773285",
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"longitude": "-122.417725",
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"elevation": "49 ft"
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},
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"estimated": {},
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"station_id": "KCASANFR58",
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"observation_time": "Last Updated on June 27, 5:27 PM PDT",
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"observation_time_rfc822": "Wed, 27 Jun 2012 17:27:13 -0700",
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"observation_epoch": "1340843233",
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"local_time_rfc822": "Wed, 27 Jun 2012 17:27:14 -0700",
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"local_epoch": "1340843234",
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"local_tz_short": "PDT",
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"local_tz_long": "America/Los_Angeles",
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"local_tz_offset": "-0700",
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"weather": "Partly Cloudy",
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"temperature_string": "66.3 F (19.1 C)",
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"temp_f": 66.3,
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"temp_c": 19.1,
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"relative_humidity": "65%",
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"wind_string": "From the NNW at 22.0 MPH Gusting to 28.0 MPH",
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"wind_dir": "NNW",
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"wind_degrees": 346,
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"wind_mph": 22,
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"wind_gust_mph": "28.0",
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"wind_kph": 35.4,
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"wind_gust_kph": "45.1",
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"pressure_mb": "1013",
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"pressure_in": "29.93",
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"pressure_trend": "+",
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"dewpoint_string": "54 F (12 C)",
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"dewpoint_f": 54,
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"dewpoint_c": 12,
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"heat_index_string": "NA",
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"heat_index_f": "NA",
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"heat_index_c": "NA",
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"windchill_string": "NA",
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"windchill_f": "NA",
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"windchill_c": "NA",
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"feelslike_string": "66.3 F (19.1 C)",
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"feelslike_f": "66.3",
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"feelslike_c": "19.1",
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"visibility_mi": "10.0",
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"visibility_km": "16.1",
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"solarradiation": "",
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"UV": "5",
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"precip_1hr_string": "0.00 in ( 0 mm)",
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"precip_1hr_in": "0.00",
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"precip_1hr_metric": " 0",
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"precip_today_string": "0.00 in (0 mm)",
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"precip_today_in": "0.00",
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"precip_today_metric": "0",
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"icon": "partlycloudy",
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"icon_url": "http://icons-ak.wxug.com/i/c/k/partlycloudy.gif",
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"forecast_url": "http://www.wunderground.com/US/CA/San_Francisco.html",
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"history_url": "http://www.wunderground.com/history/airport/KCASANFR58/2012/6/27/DailyHistory.html",
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"ob_url": "http://www.wunderground.com/cgi-bin/findweather/getForecast?query=37.773285,-122.417725"
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}
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}
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2
scripts/oss-fuzz/.gitignore
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2
scripts/oss-fuzz/.gitignore
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/.vagrant/
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*.log
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30
scripts/oss-fuzz/Vagrantfile
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30
scripts/oss-fuzz/Vagrantfile
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# A virtual machine to run https://github.com/google/oss-fuzz
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Vagrant.configure(2) do |config|
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config.vm.box = "ubuntu/xenial64"
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config.vm.synced_folder "E:\\Git\\Arduino\\libraries\\ArduinoJson", "/host/ArduinoJson"
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config.vm.synced_folder "E:\\Git\\oss-fuzz", "/host/oss-fuzz"
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config.vm.network "forwarded_port", guest: 8001, host: 8001
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config.vm.provision "shell", privileged: false, inline: <<-SHELL
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set -x
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sudo apt-get update
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sudo apt-get install -y make git docker.io zip
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sudo groupadd docker
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sudo usermod -aG docker $USER
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git clone https://github.com/google/fuzzer-test-suite.git FTS
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./FTS/tutorial/install-deps.sh # Get deps
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./FTS/tutorial/install-clang.sh # Get fresh clang binaries
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# Get libFuzzer sources and build it
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svn co http://llvm.org/svn/llvm-project/llvm/trunk/lib/Fuzzer
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Fuzzer/build.sh
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sudo mv libFuzzer.a /usr/local/lib/
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echo "export PROJECT_NAME='arduinojson'" >> $HOME/.profile
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echo "export CC='clang'" >> $HOME/.profile
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echo "export CXX='clang++'" >> $HOME/.profile
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SHELL
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end
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