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// Copyright (C) 2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <fuzz.h>
#include <cc/command_interpreter.h>
#include <cc/user_context.h>
#include <dhcp4/ctrl_dhcp4_srv.h>
#include <dhcp4/json_config_parser.h>
#include <dhcp4/parser_context.h>
#include <cassert>
#include <util/filesystem.h>
#include <string>
using namespace isc;
using namespace isc::config;
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::process;
using namespace std;
namespace {
static pid_t const PID(getpid());
static string const PID_STR(to_string(PID));
static string const KEA_DHCP4_CONF(KEA_FUZZ_DIR + "/kea-dhcp4-" + PID_STR + ".conf");
} // namespace
extern "C" {
int
LLVMFuzzerInitialize() {
static bool initialized(DoInitialization());
assert(initialized);
return 0;
}
int
LLVMFuzzerTearDown() {
try {
remove(KEA_DHCP4_CONF.c_str());
} catch (...) {
}
return 0;
}
int
LLVMFuzzerTestOneInput(uint8_t const* data, size_t size) {
// Create the config file.
string const string_config(reinterpret_cast<char const*>(data), size);
writeToFile(KEA_DHCP4_CONF, string_config);
// Configure the server.
ControlledDhcpv4Srv server;
try {
server.init(KEA_DHCP4_CONF);
} catch (BadValue const&) {
} catch (Dhcp4ParseError const&) {
}
return 0;
}
} // extern "C"
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