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Add OSS-Fuzz Zeek script search path to fuzzers

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This commit is contained in:
Jon Siwek 2020-04-24 17:53:01 -07:00
parent a4244bc72b
commit 98845e89aa
4 changed files with 57 additions and 32 deletions
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17
src/fuzzers/fuzzer-setup.h
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@ -1,5 +1,6 @@
#pragma once
#include <unistd.h>
#include <cstdlib>
#include "zeek-setup.h"
@ -11,6 +12,22 @@
extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
{
auto zeekpath = getenv("ZEEKPATH");
if ( ! zeekpath )
{
// Set up an expected script search path for use with OSS-Fuzz
auto constexpr oss_fuzz_scripts = "oss-fuzz-zeek-scripts";
auto fuzzer_path = get_exe_path(*argv[0]);
auto fuzzer_dir = SafeDirname(fuzzer_path).result;
std::string fs = fmt("%s/%s", fuzzer_dir.data(), oss_fuzz_scripts);
auto p = fs.data();
auto oss_fuzz_zeekpath = fmt(".:%s:%s/policy:%s/site", p, p, p);
if ( setenv("ZEEKPATH", oss_fuzz_zeekpath, true) == -1 )
abort();
}
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}");