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8e774f3cd6
Solution: port the 2 new tests from oss-fuzz, and wire them up to be ran manually with a static input in normal builds. Add a specific configure option to use the external fuzzing engine from oss-fuzz.
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*
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Copyright (c) 2020 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef ZMQ_USE_FUZZING_ENGINE
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#include <fuzzer/FuzzedDataProvider.h>
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#endif
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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// Test that the ZMTP engine handles invalid handshake when binding
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// https://rfc.zeromq.org/spec/37/
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extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
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{
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setup_test_context ();
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char my_endpoint[MAX_SOCKET_STRING];
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void *server = test_context_socket (ZMQ_PUB);
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bind_loopback_ipv4 (server, my_endpoint, sizeof (my_endpoint));
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fd_t client = connect_socket (my_endpoint);
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for (ssize_t sent = 0; size > 0 && (sent != -1 || errno == EINTR);
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size -= sent > 0 ? sent : 0, data += sent > 0 ? sent : 0)
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sent = send (client, (const char *) data, size, MSG_NOSIGNAL);
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msleep (250);
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close (client);
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test_context_socket_close_zero_linger (server);
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teardown_test_context ();
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return 0;
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}
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#ifndef ZMQ_USE_FUZZING_ENGINE
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void test_bind_null_fuzzer ()
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{
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TEST_ASSERT_SUCCESS_ERRNO (
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LLVMFuzzerTestOneInput (zmtp_greeting_null, sizeof (zmtp_greeting_null)));
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}
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int main (int argc, char **argv)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_bind_null_fuzzer);
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return UNITY_END ();
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}
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#endif
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