External/json
8
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[Experiment] temp fuzzer removed

Browse Source
This commit is contained in:
Tanuj Garg 2020-05-29 22:35:31 +05:30 committed by Tanuj Garg
parent 651fb03be0
commit def05d0ad1
3 changed files with 1 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Makefile
View File

@ -44,7 +44,6 @@ all:
@echo "fuzz_testing_cbor - prepare fuzz testing of the CBOR parser"
@echo "fuzz_testing_msgpack - prepare fuzz testing of the MessagePack parser"
@echo "fuzz_testing_ubjson - prepare fuzz testing of the UBJSON parser"
@echo "fuzz_testing_temp - prepare fuzz testing of the temp"
@echo "json_unit - create single-file test executable"
@echo "pedantic_clang - run Clang with maximal warning flags"
@echo "pedantic_gcc - run GCC with maximal warning flags"
@ -403,14 +402,6 @@ fuzz_testing_ubjson:
find test/data -size -5k -name *.ubjson | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzz_testing_temp:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) temp_fuzzer -C test CXX=afl-clang++
mv test/temp_fuzzer fuzz-testing/fuzzer
find test/data -size -5k -name *.bson | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzzing-start:
afl-fuzz -S fuzzer1 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer2 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &

4
test/Makefile
View File

@ -94,7 +94,7 @@ check: $(OBJECTS) $(TESTCASES)
##############################################################################
FUZZER_ENGINE = src/fuzzer-driver_afl.cpp
FUZZERS = parse_afl_fuzzer parse_bson_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer parse_ubjson_fuzzer temp_fuzzer
FUZZERS = parse_afl_fuzzer parse_bson_fuzzer parse_cbor_fuzzer parse_msgpack_fuzzer parse_ubjson_fuzzer
fuzzers: $(FUZZERS)
parse_afl_fuzzer:
@ -112,5 +112,3 @@ parse_msgpack_fuzzer:
parse_ubjson_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-parse_ubjson.cpp -o $@
temp_fuzzer:
$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(FUZZER_ENGINE) src/fuzzer-temp.cpp -o $@

73
test/src/fuzzer-temp.cpp
View File

@ -1,73 +0,0 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (fuzz test support)
| | |__ | | | | | | version 3.7.3
|_____|_____|_____|_|___| https://github.com/nlohmann/json
This file implements a parser test suitable for fuzz testing. Given a byte
array data, it performs the following steps:
- j1 = from_bson(data)
- vec = to_bson(j1)
- j2 = from_bson(vec)
- assert(j1 == j2)
The provided function `LLVMFuzzerTestOneInput` can be used in different fuzzer
drivers.
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
*/
#include <iostream>
#include <sstream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
// see http://llvm.org/docs/LibFuzzer.html
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
try
{
// step 1: parse input
std::vector<uint8_t> vec1(data, data + size);
json j1 = json::from_bson(vec1);
if (j1.is_discarded())
{
return 0;
}
try
{
// step 2: round trip
std::vector<uint8_t> vec2 = json::to_bson(j1);
// parse serialization
json j2 = json::from_bson(vec2);
// serializations must match
assert(json::to_bson(j2) == vec2);
}
catch (const json::parse_error&)
{
// parsing a BSON serialization must not fail
assert(false);
}
}
catch (const json::parse_error&)
{
// parse errors are ok, because input may be random bytes
}
catch (const json::type_error&)
{
// type errors can occur during parsing, too
}
catch (const json::out_of_range&)
{
// out of range errors can occur during parsing, too
}
// return 0 - non-zero return values are reserved for future use
return 0;
}