void
fuzz(std::string const& filename, el::Level logLevel,
std::vector<std::string> const& metrics)
{
Logging::setFmt("<fuzz>", false);
Logging::setLogLevel(logLevel, nullptr);
LOG(INFO) << "Fuzzing stellar-core " << STELLAR_CORE_VERSION;
LOG(INFO) << "Fuzz input is in " << filename;
Config cfg1, cfg2;
cfg1.RUN_STANDALONE = true;
cfg1.ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING = true;
cfg1.LOG_FILE_PATH = "fuzz-app-1.log";
cfg1.TMP_DIR_PATH = "fuzz-tmp-1";
cfg1.BUCKET_DIR_PATH = "fuzz-buckets-1";
cfg2.RUN_STANDALONE = true;
cfg2.ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING = true;
cfg1.LOG_FILE_PATH = "fuzz-app-2.log";
cfg2.TMP_DIR_PATH = "fuzz-tmp-2";
cfg2.BUCKET_DIR_PATH = "fuzz-buckets-2";
CfgDirGuard g1(cfg1);
CfgDirGuard g2(cfg2);
restart:
{
VirtualClock clock;
Application::pointer app1 = Application::create(clock, cfg1);
Application::pointer app2 = Application::create(clock, cfg2);
LoopbackPeerConnection loop(*app1, *app2);
while (clock.crank(false) > 0)
;
XDRInputFileStream in;
in.open(filename);
StellarMessage msg;
size_t i = 0;
while (tryRead(in, msg))
{
++i;
if (msg.type() != HELLO)
{
LOG(INFO) << "Fuzzer injecting message " << i << ": "
<< msgSummary(msg);
loop.getAcceptor()->Peer::sendMessage(msg);
}
size_t iter = 20;
while (clock.crank(false) > 0 && iter-- > 0)
;
}
}
if (getenv("AFL_PERSISTENT") && persist_cnt++ < PERSIST_MAX)
{
#ifndef _WIN32
raise(SIGSTOP);
#endif
goto restart;
}
}
