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-BEGIN VERIFY SCRIPT-
ren() { sed --regexp-extended -i "s|$1|$2|g" $(git grep -l --extended-regexp "$1"); }
# Replace FUZZ_TARGET_INIT
ren 'FUZZ_TARGET_INIT\((.+), (.+)\)' 'FUZZ_TARGET(\1, .init = \2)'
# Delete unused FUZZ_TARGET_INIT
sed -i -e '37,39d' src/test/fuzz/fuzz.h
-END VERIFY SCRIPT-
46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
// Copyright (c) 2020-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <netaddress.h>
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#include <netbase.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <test/fuzz/util/net.h>
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#include <test/util/setup_common.h>
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#include <cstdint>
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#include <string>
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#include <vector>
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extern std::chrono::milliseconds g_socks5_recv_timeout;
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namespace {
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decltype(g_socks5_recv_timeout) default_socks5_recv_timeout;
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};
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void initialize_socks5()
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{
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static const auto testing_setup = MakeNoLogFileContext<const BasicTestingSetup>();
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default_socks5_recv_timeout = g_socks5_recv_timeout;
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}
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FUZZ_TARGET(socks5, .init = initialize_socks5)
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{
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FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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ProxyCredentials proxy_credentials;
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proxy_credentials.username = fuzzed_data_provider.ConsumeRandomLengthString(512);
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proxy_credentials.password = fuzzed_data_provider.ConsumeRandomLengthString(512);
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InterruptSocks5(fuzzed_data_provider.ConsumeBool());
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// Set FUZZED_SOCKET_FAKE_LATENCY=1 to exercise recv timeout code paths. This
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// will slow down fuzzing.
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g_socks5_recv_timeout = (fuzzed_data_provider.ConsumeBool() && std::getenv("FUZZED_SOCKET_FAKE_LATENCY") != nullptr) ? 1ms : default_socks5_recv_timeout;
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FuzzedSock fuzzed_sock = ConsumeSock(fuzzed_data_provider);
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// This Socks5(...) fuzzing harness would have caught CVE-2017-18350 within
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// a few seconds of fuzzing.
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(void)Socks5(fuzzed_data_provider.ConsumeRandomLengthString(512),
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fuzzed_data_provider.ConsumeIntegral<uint16_t>(),
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fuzzed_data_provider.ConsumeBool() ? &proxy_credentials : nullptr,
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fuzzed_sock);
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}
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