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tests: Add fuzzing harnesses for various JSON/univalue parsing functions

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This commit is contained in:
practicalswift 2019-10-03 09:11:40 +00:00
parent e3d2bcf5cf
commit a1308b7e12
2 changed files with 99 additions and 0 deletions
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8
src/Makefile.test.include
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@ -40,6 +40,7 @@ FUZZ_TARGETS = \
test/fuzz/prefilled_transaction_deserialize \
test/fuzz/parse_numbers \
test/fuzz/parse_script \
test/fuzz/parse_univalue \
test/fuzz/psbt \
test/fuzz/psbt_input_deserialize \
test/fuzz/psbt_output_deserialize \
@ -97,6 +98,7 @@ FUZZ_SUITE_LD_COMMON = \
$(LIBTEST_UTIL) \
$(LIBBITCOIN_CONSENSUS) \
$(LIBBITCOIN_CRYPTO) \
$(LIBBITCOIN_CLI) \
$(LIBUNIVALUE) \
$(LIBLEVELDB) \
$(LIBLEVELDB_SSE42) \
@ -539,6 +541,12 @@ test_fuzz_parse_numbers_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_parse_numbers_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_parse_numbers_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_parse_univalue_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_univalue.cpp
test_fuzz_parse_univalue_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_parse_univalue_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_parse_univalue_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_parse_univalue_LDADD = $(FUZZ_SUITE_LD_COMMON)
endif # ENABLE_FUZZ
nodist_test_test_bitcoin_SOURCES = $(GENERATED_TEST_FILES)

91
src/test/fuzz/parse_univalue.cpp Normal file
View file

@ -0,0 +1,91 @@
// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chainparams.h>
#include <core_io.h>
#include <rpc/client.h>
#include <rpc/util.h>
#include <test/fuzz/fuzz.h>
#include <util/memory.h>
#include <limits>
#include <string>
void initialize()
{
static const auto verify_handle = MakeUnique<ECCVerifyHandle>();
SelectParams(CBaseChainParams::REGTEST);
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
const std::string random_string(buffer.begin(), buffer.end());
bool valid = true;
const UniValue univalue = [&] {
try {
return ParseNonRFCJSONValue(random_string);
} catch (const std::runtime_error&) {
valid = false;
return NullUniValue;
}
}();
if (!valid) {
return;
}
try {
(void)ParseHashO(univalue, "A");
(void)ParseHashO(univalue, random_string);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseHashV(univalue, "A");
(void)ParseHashV(univalue, random_string);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseHexO(univalue, "A");
(void)ParseHexO(univalue, random_string);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseHexUV(univalue, "A");
(void)ParseHexUV(univalue, random_string);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseHexV(univalue, "A");
(void)ParseHexV(univalue, random_string);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseSighashString(univalue);
} catch (const std::runtime_error&) {
}
try {
(void)AmountFromValue(univalue);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
FlatSigningProvider provider;
(void)EvalDescriptorStringOrObject(univalue, provider);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseConfirmTarget(univalue, std::numeric_limits<unsigned int>::max());
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
try {
(void)ParseDescriptorRange(univalue);
} catch (const UniValue&) {
} catch (const std::runtime_error&) {
}
}