/*

 * Copyright (C) Max Dymond, <cmeister2@gmail.com>, et al.

 *

 * SPDX-License-Identifier: curl

 */

/// @file

/// @brief Translates Scenario SetOption messages into curl_easy_setopt calls,

///        plus the fixed baseline setopts the harness always applies.

#ifndef PROTO_FUZZER_OPTION_APPLY_H_

#define PROTO_FUZZER_OPTION_APPLY_H_

#include <curl/curl.h>

#include <cstddef>

#include <cstdint>

#include <string>

#include "curl_fuzzer.pb.h"

#include "proto_fuzzer/option_model.h"

namespace proto_fuzzer {

/// Reset curl's global trace configuration to a known off baseline for the

/// lifetime of one input.

///

/// curl_global_trace() only mutates the components it names and exposes no

/// read-back, so a true save/restore is not possible through the public API.

/// Instead the guard resets "-all" on both entry and exit: the input's trace

/// selection is contained to the guard's scope, and a previous input's "all"

/// (or any subset it left enabled) cannot leak into the next input. This makes

/// coverage and any trace-dependent failure independent of corpus order.

class ScopedTraceReset final {

 public:

  ScopedTraceReset() { (void)curl_global_trace("-all"); }

  ~ScopedTraceReset() { (void)curl_global_trace("-all"); }

  ScopedTraceReset(const ScopedTraceReset&) = delete;

  ScopedTraceReset& operator=(const ScopedTraceReset&) = delete;

  ScopedTraceReset(ScopedTraceReset&&) = delete;

  ScopedTraceReset& operator=(ScopedTraceReset&&) = delete;

};

struct curl_slist* ApplyBaselineOptions(CURL* easy, curl::fuzzer::proto::Scheme scheme, bool trace_ids = false,

                                        const std::string& trace_config = {});

CURLcode ApplySetOption(CURL* easy, const curl::fuzzer::proto::SetOption& option);

CURLcode ApplyTlsClientCredentialProfile(CURL* easy, curl::fuzzer::proto::TlsClientCredentialProfile profile);

std::size_t RuntimeOptionCount(const curl::fuzzer::proto::Scenario& scenario);

std::size_t ApplyScenarioOptions(CURL* easy, const curl::fuzzer::proto::Scenario& scenario);

}  // namespace proto_fuzzer

#endif  // PROTO_FUZZER_OPTION_APPLY_H_