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Add standalone driver for fuzz targets

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Useful for cases that don't need to use a fuzzing engine, but just run
the fuzz targets over some set of inputs, like for regression/CI tests.

Also added a POP3 fuzzer dictionary, seed corpus, and README with
examples.
This commit is contained in:
Jon Siwek 2020-04-23 20:09:22 -07:00
parent 8f1b34b915
commit 78b0b2183d
8 changed files with 168 additions and 8 deletions
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42
src/fuzzers/fuzzer-setup.h Normal file
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#pragma once
#include <cstdlib>
#include "zeek-setup.h"
#include "Event.h"
#include "Sessions.h"
#include "broker/Manager.h"
#include "file_analysis/Manager.h"
extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
{
zeek::Options options;
options.scripts_to_load.emplace_back("local.zeek");
options.script_options_to_set.emplace_back("Site::local_nets={10.0.0.0/8}");
options.script_options_to_set.emplace_back("Log::default_writer=Log::WRITER_NONE");
options.deterministic_mode = true;
options.ignore_checksums = true;
options.abort_on_scripting_errors = true;
if ( zeek::setup(*argc, *argv, &options).code )
abort();
return 0;
}
namespace zeek {
void fuzz_cleanup_one_input()
{
broker_mgr->ClearStores();
file_mgr->Terminate();
timer_mgr->Expire();
mgr.Drain();
sessions->Drain();
mgr.Drain();
sessions->Clear();
}
} // namespace zeek