// Copyright 2014 The BoringSSL Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef HEADER_TEST_CONFIG
#define HEADER_TEST_CONFIG

#include <optional>
#include <string>
#include <utility>
#include <vector>

#include <openssl/base.h>
#include <openssl/x509.h>

#include "test_state.h"

enum class CredentialConfigType {
  kX509,
  kDelegated,
  kSPAKE2PlusV1,
  kPreSharedKey,
  kRawPublicKey,
};

struct CredentialConfig {
  CredentialConfigType type;
  std::string cert_file;
  std::string key_file;
  std::vector<uint16_t> signing_prefs;
  std::vector<uint8_t> delegated_credential;
  std::vector<uint8_t> ocsp_response;
  std::vector<uint8_t> signed_cert_timestamps;
  bool must_match_issuer = false;
  std::vector<uint8_t> pake_context;
  std::vector<uint8_t> pake_client_id;
  std::vector<uint8_t> pake_server_id;
  std::vector<uint8_t> pake_password;
  std::vector<uint8_t> cert_properties;
  bool wrong_pake_role = false;
  std::vector<uint8_t> psk;
  std::vector<uint8_t> psk_identity;
  std::vector<uint8_t> psk_context;
  const EVP_MD *psk_hash;
};

struct TestConfig {
  int port = 0;
  bool ipv6 = false;
  uint64_t shim_id = 0;
  bool is_server = false;
  bool is_dtls = false;
  bool is_quic = false;
  int resume_count = 0;
  std::string write_settings;
#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
  bool fuzzer_mode = false;
#endif
  bool fallback_scsv = false;
  std::vector<uint16_t> signing_prefs;
  std::vector<uint16_t> verify_prefs;
  std::vector<uint16_t> expect_peer_verify_prefs;
  std::vector<uint16_t> curves;
  std::vector<uint32_t> curves_flags;
  std::optional<std::vector<uint16_t>> key_shares;
  std::vector<uint16_t> server_supported_groups_hint;
  std::string key_file;
  std::string cert_file;
  std::string trust_cert;
  std::string expect_server_name;
  bool enable_ech_grease = false;
  bool reject_unusable_ech_config = false;
  std::vector<std::vector<uint8_t>> ech_server_configs;
  std::vector<std::vector<uint8_t>> ech_server_keys;
  std::vector<int> ech_is_retry_config;
  bool expect_ech_accept = false;
  std::string expect_ech_name_override;
  bool expect_no_ech_name_override = false;
  std::vector<uint8_t> expect_ech_retry_configs;
  bool expect_no_ech_retry_configs = false;
  std::vector<uint8_t> ech_config_list;
  std::vector<uint8_t> expect_certificate_types;
  bool require_any_client_certificate = false;
  std::string advertise_npn;
  bool advertise_empty_npn = false;
  std::string expect_next_proto;
  bool expect_no_next_proto = false;
  bool false_start = false;
  std::string select_next_proto;
  bool select_empty_next_proto = false;
  bool async = false;
  bool write_different_record_sizes = false;
  bool cbc_record_splitting = false;
  bool partial_write = false;
  bool no_tls13 = false;
  bool no_tls12 = false;
  bool no_tls11 = false;
  bool no_tls1 = false;
  bool no_ticket = false;
  bool no_legacy_server_connect = false;
  std::vector<uint8_t> expect_channel_id;
  bool enable_channel_id = false;
  std::string send_channel_id;
  bool shim_writes_first = false;
  std::string shim_initial_write = "hello";
  int repeat_shim_initial_write = 1;
  std::string host_name;
  std::string advertise_alpn;
  std::string expect_alpn;
  std::string expect_advertised_alpn;
  std::string select_alpn;
  bool decline_alpn = false;
  bool reject_alpn = false;
  bool select_empty_alpn = false;
  bool defer_alps = false;
  std::vector<std::pair<std::string, std::string>> application_settings;
  std::optional<std::string> expect_peer_application_settings;
  int alps_use_new_codepoint = 1;
  std::vector<uint8_t> quic_transport_params;
  std::vector<uint8_t> expect_quic_transport_params;
  // Set quic_use_legacy_codepoint to 0 or 1 to configure, -1 uses default.
  int quic_use_legacy_codepoint = -1;
  bool expect_session_miss = false;
  bool expect_extended_master_secret = false;
  std::string psk;
  std::string psk_identity;
  std::string srtp_profiles;
  bool enable_ocsp_stapling = false;
  std::vector<uint8_t> expect_ocsp_response;
  bool enable_signed_cert_timestamps = false;
  std::vector<uint8_t> expect_signed_cert_timestamps;
  uint16_t min_version = 0;
  uint16_t max_version = 0;
  uint16_t expect_version = 0;
  int mtu = 0;
  bool implicit_handshake = false;
  bool use_early_callback = false;
  bool fail_early_callback = false;
  bool fail_early_callback_ech_rewind = false;
  bool install_ddos_callback = false;
  bool fail_ddos_callback = false;
  bool fail_cert_callback = false;
  std::string cipher;
  bool handshake_never_done = false;
  int export_keying_material = 0;
  std::string export_label;
  std::string export_context;
  bool use_export_context = false;
  bool tls_unique = false;
  bool expect_ticket_renewal = false;
  bool expect_no_session = false;
  bool expect_ticket_supports_early_data = false;
  bool expect_accept_early_data = false;
  bool expect_reject_early_data = false;
  bool expect_no_offer_early_data = false;
  bool expect_no_server_name = false;
  bool use_ticket_callback = false;
  bool use_ticket_aead_callback = false;
  bool renew_ticket = false;
  bool skip_ticket = false;
  bool enable_early_data = false;
  std::vector<uint8_t> ocsp_response;
  bool check_close_notify = false;
  bool shim_shuts_down = false;
  bool verify_fail = false;
  bool verify_peer = false;
  bool expect_verify_result = false;
  std::vector<uint8_t> signed_cert_timestamps;
  int expect_total_renegotiations = 0;
  bool renegotiate_once = false;
  bool renegotiate_freely = false;
  bool renegotiate_ignore = false;
  bool renegotiate_explicit = false;
  bool forbid_renegotiation_after_handshake = false;
  uint16_t expect_peer_signature_algorithm = 0;
  uint16_t expect_curve_id = 0;
  bool use_old_client_cert_callback = false;
  int initial_timeout_duration_ms = 0;
  std::string use_client_ca_list;
  std::string expect_client_ca_list;
  bool send_alert = false;
  bool peek_then_read = false;
  bool enable_grease = false;
  bool permute_extensions = false;
  int max_cert_list = 0;
  std::vector<uint8_t> ticket_key;
  bool use_exporter_between_reads = false;
  uint16_t expect_cipher_aes = 0;
  uint16_t expect_cipher_no_aes = 0;
  uint16_t expect_cipher = 0;
  bool expect_no_peer_cert = false;
  std::string expect_peer_cert_file;
  int resumption_delay = 0;
  bool retain_only_sha256_client_cert = false;
  bool expect_sha256_client_cert = false;
  bool read_with_unfinished_write = false;
  bool expect_secure_renegotiation = false;
  bool expect_no_secure_renegotiation = false;
  int max_send_fragment = 0;
  int read_size = 0;
  bool expect_session_id = false;
  bool expect_no_session_id = false;
  int expect_ticket_age_skew = 0;
  bool no_op_extra_handshake = false;
  bool handshake_twice = false;
  bool allow_unknown_alpn_protos = false;
  bool use_custom_verify_callback = false;
  std::string expect_msg_callback;
  bool allow_false_start_without_alpn = false;
  bool handoff = false;
  bool handshake_hints = false;
  bool allow_hint_mismatch = false;
  bool use_ocsp_callback = false;
  bool set_ocsp_in_callback = false;
  bool decline_ocsp_callback = false;
  bool fail_ocsp_callback = false;
  bool install_cert_compression_algs = false;
  int install_one_cert_compression_alg = 0;
  bool reverify_on_resume = false;
  bool is_handshaker_supported = false;
  bool handshaker_resume = false;
  std::string handshaker_path;
  bool jdk11_workaround = false;
  bool server_preference = false;
  bool export_traffic_secrets = false;
  bool key_update = false;
  bool key_update_before_read = false;
  std::string expect_early_data_reason;
  bool expect_hrr = false;
  bool expect_no_hrr = false;
  bool wait_for_debugger = false;
  std::string quic_early_data_context;
  int early_write_after_message = 0;
  bool fips_202205 = false;
  bool wpa_202304 = false;
  bool cnsa_202407 = false;
  bool cnsa1_202603 = false;
  bool cnsa2_202603 = false;
  std::optional<bool> expect_peer_match_trust_anchor;
  std::optional<std::vector<uint8_t>> expect_peer_available_trust_anchors;
  std::optional<std::vector<uint8_t>> requested_trust_anchors;
  std::vector<uint8_t> available_trust_anchors;
  std::optional<int> expect_selected_credential;
  std::vector<CredentialConfig> credentials;
  int private_key_delay_ms = 0;
  bool resumption_across_names_enabled = false;
  std::optional<bool> expect_resumable_across_names;
  bool no_server_name_ack = false;
  std::vector<uint8_t> accepted_peer_cert_types;
  std::vector<uint8_t> available_client_cert_types;
  std::optional<uint8_t> expect_peer_certificate_type;
  std::vector<uint8_t> expect_peer_rpk_sha256;
  std::optional<uint16_t> request_server_padding;
  bool expect_server_sent_requested_padding = false;
  bool server_supports_padding = false;

  std::vector<const char *> handshaker_args;

  bssl::UniquePtr<SSL_CTX> SetupCtx(SSL_CTX *old_ctx) const;

  bssl::UniquePtr<SSL> NewSSL(SSL_CTX *ssl_ctx, SSL_SESSION *session,
                              std::unique_ptr<TestState> test_state) const;
};

bool ParseConfig(int argc, char **argv, bool is_shim, TestConfig *out_initial,
                 TestConfig *out_resume, TestConfig *out_retry);

bool SetTestConfig(SSL *ssl, const TestConfig *config);

const TestConfig *GetTestConfig(const SSL *ssl);

bool LoadCertificate(bssl::UniquePtr<X509> *out_x509,
                     bssl::UniquePtr<STACK_OF(X509)> *out_chain,
                     const std::string &file);

bssl::UniquePtr<EVP_PKEY> LoadPrivateKey(const std::string &file);

#endif  // HEADER_TEST_CONFIG