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| author | practicalswift <practicalswift@users.noreply.github.com> | 2019-11-05 09:18:27 +0000 |
|---|---|---|
| committer | practicalswift <practicalswift@users.noreply.github.com> | 2019-11-05 09:23:44 +0000 |
| commit | b7541705d0abfbddf682a0134f3fa8a8e1d06cdf (patch) | |
| tree | 02b0e4db554798ba96d4f6932e9b6bfba3defbd2 | |
| parent | 85a34b1683233060c4500cfb8e3f5d84c8b8f0da (diff) | |
| download | bitcoin-b7541705d0abfbddf682a0134f3fa8a8e1d06cdf.tar.xz | |
tests: Add fuzzing harness for Bech32 encoding/decoding
| -rw-r--r-- | src/Makefile.test.include | 15 | ||||
| -rw-r--r-- | src/test/fuzz/bech32.cpp | 43 |
2 files changed, 55 insertions, 3 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include index b467591c3c..36f474ea98 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -7,6 +7,7 @@ FUZZ_TARGETS = \ test/fuzz/address_deserialize \ test/fuzz/addrman_deserialize \ test/fuzz/banentry_deserialize \ + test/fuzz/bech32 \ test/fuzz/block_deserialize \ test/fuzz/blockheader_deserialize \ test/fuzz/blocklocator_deserialize \ @@ -65,11 +66,13 @@ BITCOIN_TEST_SUITE = \ test/util/str.cpp FUZZ_SUITE = \ - test/setup_common.h \ - test/setup_common.cpp \ test/fuzz/fuzz.cpp \ test/fuzz/fuzz.h \ - test/fuzz/FuzzedDataProvider.h + test/fuzz/FuzzedDataProvider.h \ + test/setup_common.cpp \ + test/setup_common.h \ + test/util/str.cpp \ + test/util/str.h FUZZ_SUITE_LD_COMMON = \ $(LIBBITCOIN_SERVER) \ @@ -242,6 +245,12 @@ test_fuzz_banentry_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_banentry_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_banentry_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_bech32_SOURCES = $(FUZZ_SUITE) test/fuzz/bech32.cpp +test_fuzz_bech32_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_bech32_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_bech32_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_bech32_LDADD = $(FUZZ_SUITE_LD_COMMON) + test_fuzz_txundo_deserialize_SOURCES = $(FUZZ_SUITE) test/fuzz/deserialize.cpp test_fuzz_txundo_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DTXUNDO_DESERIALIZE=1 test_fuzz_txundo_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) diff --git a/src/test/fuzz/bech32.cpp b/src/test/fuzz/bech32.cpp new file mode 100644 index 0000000000..8b91f9bc96 --- /dev/null +++ b/src/test/fuzz/bech32.cpp @@ -0,0 +1,43 @@ +// Copyright (c) 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 <bech32.h> +#include <test/fuzz/fuzz.h> +#include <test/util/str.h> +#include <util/strencodings.h> + +#include <cassert> +#include <cstdint> +#include <string> +#include <utility> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + const std::string random_string(buffer.begin(), buffer.end()); + const std::pair<std::string, std::vector<uint8_t>> r1 = bech32::Decode(random_string); + if (r1.first.empty()) { + assert(r1.second.empty()); + } else { + const std::string& hrp = r1.first; + const std::vector<uint8_t>& data = r1.second; + const std::string reencoded = bech32::Encode(hrp, data); + assert(CaseInsensitiveEqual(random_string, reencoded)); + } + + std::vector<unsigned char> input; + ConvertBits<8, 5, true>([&](unsigned char c) { input.push_back(c); }, buffer.begin(), buffer.end()); + const std::string encoded = bech32::Encode("bc", input); + assert(!encoded.empty()); + + const std::pair<std::string, std::vector<uint8_t>> r2 = bech32::Decode(encoded); + if (r2.first.empty()) { + assert(r2.second.empty()); + } else { + const std::string& hrp = r2.first; + const std::vector<uint8_t>& data = r2.second; + assert(hrp == "bc"); + assert(data == input); + } +} |