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tests: Add fuzzing harness for various functions taking std::string as input

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This commit is contained in:
practicalswift 2020-03-15 14:08:34 +00:00
parent d69145acb7
commit 44abf417eb
3 changed files with 112 additions and 6 deletions
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19
src/Makefile.test.include
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@ -93,6 +93,7 @@ FUZZ_TARGETS = \
test/fuzz/service_deserialize \
test/fuzz/snapshotmetadata_deserialize \
test/fuzz/spanparsing \
test/fuzz/string \
test/fuzz/strprintf \
test/fuzz/sub_net_deserialize \
test/fuzz/transaction \
@ -808,12 +809,24 @@ test_fuzz_service_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_service_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_service_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_snapshotmetadata_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSNAPSHOTMETADATA_DESERIALIZE=1
test_fuzz_snapshotmetadata_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_snapshotmetadata_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_snapshotmetadata_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_snapshotmetadata_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_spanparsing_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_spanparsing_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_spanparsing_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_spanparsing_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_spanparsing_SOURCES = $(FUZZ_SUITE) test/fuzz/spanparsing.cpp
test_fuzz_string_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_string_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_string_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_string_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_string_SOURCES = $(FUZZ_SUITE) test/fuzz/string.cpp
test_fuzz_strprintf_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_strprintf_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_strprintf_LDADD = $(FUZZ_SUITE_LD_COMMON)
@ -826,12 +839,6 @@ test_fuzz_sub_net_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_sub_net_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_sub_net_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_snapshotmetadata_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DSNAPSHOTMETADATA_DESERIALIZE=1
test_fuzz_snapshotmetadata_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_snapshotmetadata_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_snapshotmetadata_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_snapshotmetadata_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp
test_fuzz_transaction_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_transaction_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_transaction_LDADD = $(FUZZ_SUITE_LD_COMMON)

89
src/test/fuzz/string.cpp Normal file
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@ -0,0 +1,89 @@
// Copyright (c) 2020 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 <blockfilter.h>
#include <clientversion.h>
#include <logging.h>
#include <netbase.h>
#include <outputtype.h>
#include <rpc/client.h>
#include <rpc/request.h>
#include <rpc/server.h>
#include <rpc/util.h>
#include <script/descriptor.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/error.h>
#include <util/fees.h>
#include <util/message.h>
#include <util/settings.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <util/system.h>
#include <util/translation.h>
#include <util/url.h>
#include <cstdint>
#include <string>
#include <vector>
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const std::string random_string_1 = fuzzed_data_provider.ConsumeRandomLengthString(32);
const std::string random_string_2 = fuzzed_data_provider.ConsumeRandomLengthString(32);
const std::vector<std::string> random_string_vector = ConsumeRandomLengthStringVector(fuzzed_data_provider);
(void)AmountErrMsg(random_string_1, random_string_2);
(void)AmountHighWarn(random_string_1);
BlockFilterType block_filter_type;
(void)BlockFilterTypeByName(random_string_1, block_filter_type);
(void)Capitalize(random_string_1);
(void)CopyrightHolders(random_string_1);
FeeEstimateMode fee_estimate_mode;
(void)FeeModeFromString(random_string_1, fee_estimate_mode);
(void)FormatParagraph(random_string_1, fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 1000), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 1000));
(void)FormatSubVersion(random_string_1, fuzzed_data_provider.ConsumeIntegral<int>(), random_string_vector);
(void)GetDescriptorChecksum(random_string_1);
(void)HelpExampleCli(random_string_1, random_string_2);
(void)HelpExampleRpc(random_string_1, random_string_2);
(void)HelpMessageGroup(random_string_1);
(void)HelpMessageOpt(random_string_1, random_string_2);
(void)IsDeprecatedRPCEnabled(random_string_1);
(void)Join(random_string_vector, random_string_1);
(void)JSONRPCError(fuzzed_data_provider.ConsumeIntegral<int>(), random_string_1);
const util::Settings settings;
(void)OnlyHasDefaultSectionSetting(settings, random_string_1, random_string_2);
(void)ParseNetwork(random_string_1);
try {
(void)ParseNonRFCJSONValue(random_string_1);
} catch (const std::runtime_error&) {
}
OutputType output_type;
(void)ParseOutputType(random_string_1, output_type);
(void)ResolveErrMsg(random_string_1, random_string_2);
try {
(void)RPCConvertNamedValues(random_string_1, random_string_vector);
} catch (const std::runtime_error&) {
}
try {
(void)RPCConvertValues(random_string_1, random_string_vector);
} catch (const std::runtime_error&) {
}
(void)SanitizeString(random_string_1);
(void)SanitizeString(random_string_1, fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 3));
(void)ShellEscape(random_string_1);
int port_out;
std::string host_out;
SplitHostPort(random_string_1, port_out, host_out);
(void)TimingResistantEqual(random_string_1, random_string_2);
(void)ToLower(random_string_1);
(void)ToUpper(random_string_1);
(void)TrimString(random_string_1);
(void)TrimString(random_string_1, random_string_2);
(void)urlDecode(random_string_1);
(void)ValidAsCString(random_string_1);
(void)_(random_string_1.c_str());
}

10
src/test/fuzz/util.h
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@ -25,6 +25,16 @@ NODISCARD inline std::vector<uint8_t> ConsumeRandomLengthByteVector(FuzzedDataPr
return {s.begin(), s.end()};
}
NODISCARD inline std::vector<std::string> ConsumeRandomLengthStringVector(FuzzedDataProvider& fuzzed_data_provider, size_t max_vector_size = 16, size_t max_string_length = 16) noexcept
{
const size_t n_elements = fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, max_vector_size);
std::vector<std::string> r;
for (size_t i = 0; i < n_elements; ++i) {
r.push_back(fuzzed_data_provider.ConsumeRandomLengthString(max_string_length));
}
return r;
}
template <typename T>
NODISCARD inline Optional<T> ConsumeDeserializable(FuzzedDataProvider& fuzzed_data_provider, size_t max_length = 4096) noexcept
{