| // 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. | |
| #include "test_config.h" | |
| #include <assert.h> | |
| #include <ctype.h> | |
| #include <errno.h> | |
| #include <limits.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #include <algorithm> | |
| #include <functional> | |
| #include <limits> | |
| #include <memory> | |
| #include <type_traits> | |
| #include <openssl/aead.h> | |
| #include <openssl/base64.h> | |
| #include <openssl/bytestring.h> | |
| #include <openssl/evp.h> | |
| #include <openssl/hmac.h> | |
| #include <openssl/hpke.h> | |
| #include <openssl/rand.h> | |
| #include <openssl/sha2.h> | |
| #include <openssl/span.h> | |
| #include <openssl/ssl.h> | |
| #include "../../crypto/internal.h" | |
| #include "handshake_util.h" | |
| #include "mock_quic_transport.h" | |
| #include "test_state.h" | |
| #if defined(OPENSSL_WINDOWS) | |
| // Windows defines struct timeval in winsock2.h. | |
| #include <winsock2.h> | |
| #else | |
| #include <sys/time.h> | |
| #endif | |
| using namespace bssl; | |
| namespace { | |
| template <typename Config> | |
| struct Flag { | |
| const char *name; | |
| // has_param, if true, causes the parser to look for a param value following | |
| // this flag's name. | |
| bool has_param; | |
| // skip_handshaker, if true, causes this flag to be skipped when | |
| // forwarding flags to the handshaker. This should be used with flags | |
| // that only impact connecting to the runner. | |
| bool skip_handshaker; | |
| // set_param is called after parsing to interpret and set the result on | |
| // `config`. If `has_param` is false for this flag, `param` will be nullptr. | |
| // This function should return whether the param value (or lack thereof) was | |
| // valid for this flag. | |
| std::function<bool(Config *config, const char *param)> set_param; | |
| }; | |
| template <typename Config, typename T, typename U> | |
| Flag<Config> SetValueFlag(const char *name, T Config::*field, U value, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, /*has_param=*/false, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| config->*field = value; | |
| return true; | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> BoolFlag(const char *name, bool Config::*field, | |
| bool skip_handshaker = false) { | |
| return SetValueFlag(name, field, true, skip_handshaker); | |
| } | |
| template <typename T> | |
| bool StringToInt(T *out, const char *str) { | |
| static_assert(std::is_integral_v<T>, "not an integral type"); | |
| // `strtoull` allows leading '-' with wraparound. Additionally, both | |
| // functions accept empty strings and leading whitespace. | |
| if (!OPENSSL_isdigit(static_cast<unsigned char>(*str)) && | |
| (!std::is_signed_v<T> || *str != '-')) { | |
| return false; | |
| } | |
| errno = 0; | |
| char *end; | |
| if (std::is_signed_v<T>) { | |
| static_assert(sizeof(T) <= sizeof(long long), | |
| "type too large for long long"); | |
| long long value = strtoll(str, &end, 10); | |
| if (value < static_cast<long long>(std::numeric_limits<T>::min()) || | |
| value > static_cast<long long>(std::numeric_limits<T>::max())) { | |
| return false; | |
| } | |
| *out = static_cast<T>(value); | |
| } else { | |
| static_assert(sizeof(T) <= sizeof(unsigned long long), | |
| "type too large for unsigned long long"); | |
| unsigned long long value = strtoull(str, &end, 10); | |
| if (value > | |
| static_cast<unsigned long long>(std::numeric_limits<T>::max())) { | |
| return false; | |
| } | |
| *out = static_cast<T>(value); | |
| } | |
| // Check for overflow and that the whole input was consumed. | |
| return errno != ERANGE && *end == '\0'; | |
| } | |
| template <typename Config, typename T> | |
| Flag<Config> IntFlag(const char *name, T Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| return StringToInt(&(config->*field), param); | |
| }}; | |
| } | |
| template <typename Config, typename T> | |
| Flag<Config> OptionalIntFlag(const char *name, std::optional<T> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| T value; | |
| if (!StringToInt(&value, param)) { | |
| return false; | |
| } | |
| config->*field = value; | |
| return true; | |
| }}; | |
| } | |
| template <typename Config, typename T> | |
| Flag<Config> IntVectorFlag(const char *name, std::vector<T> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| T value; | |
| if (!StringToInt(&value, param)) { | |
| return false; | |
| } | |
| (config->*field).push_back(value); | |
| return true; | |
| }}; | |
| } | |
| // Defines a flag which adds an integer param value to an optional vector of | |
| // integers. | |
| template <typename Config, typename T> | |
| Flag<Config> OptionalIntVectorFlag(const char *name, | |
| std::optional<std::vector<T>> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| if (!(config->*field)) { | |
| (config->*field).emplace(); | |
| } | |
| T value; | |
| if (!StringToInt(&value, param)) { | |
| return false; | |
| } | |
| (config->*field)->push_back(value); | |
| return true; | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> StringFlag(const char *name, std::string Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| config->*field = param; | |
| return true; | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> OptionalStringFlag(const char *name, | |
| std::optional<std::string> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| (config->*field).emplace(param); | |
| return true; | |
| }}; | |
| } | |
| bool DecodeBase64(std::vector<uint8_t> *out, const std::string &in) { | |
| size_t len; | |
| if (!EVP_DecodedLength(&len, in.size())) { | |
| fprintf(stderr, "Invalid base64: %s.\n", in.c_str()); | |
| return false; | |
| } | |
| out->resize(len); | |
| if (!EVP_DecodeBase64(out->data(), &len, out->size(), | |
| reinterpret_cast<const uint8_t *>(in.data()), | |
| in.size())) { | |
| fprintf(stderr, "Invalid base64: %s.\n", in.c_str()); | |
| return false; | |
| } | |
| out->resize(len); | |
| return true; | |
| } | |
| template <typename Config> | |
| Flag<Config> Base64Flag(const char *name, std::vector<uint8_t> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| return DecodeBase64(&(config->*field), param); | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> OptionalBase64Flag( | |
| const char *name, std::optional<std::vector<uint8_t>> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| (config->*field).emplace(); | |
| return DecodeBase64(&*(config->*field), param); | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> Base64VectorFlag(const char *name, | |
| std::vector<std::vector<uint8_t>> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| std::vector<uint8_t> value; | |
| if (!DecodeBase64(&value, param)) { | |
| return false; | |
| } | |
| (config->*field).push_back(std::move(value)); | |
| return true; | |
| }}; | |
| } | |
| template <typename Config> | |
| Flag<Config> StringPairVectorFlag( | |
| const char *name, | |
| std::vector<std::pair<std::string, std::string>> Config::*field, | |
| bool skip_handshaker = false) { | |
| return Flag<Config>{ | |
| name, true, skip_handshaker, | |
| [=](Config *config, const char *param) -> bool { | |
| const char *comma = strchr(param, ','); | |
| if (!comma) { | |
| return false; | |
| } | |
| (config->*field) | |
| .push_back(std::make_pair(std::string(param, comma - param), | |
| std::string(comma + 1))); | |
| return true; | |
| }}; | |
| } | |
| Flag<TestConfig> NewCredentialFlag(const char *name, | |
| CredentialConfigType type) { | |
| return Flag<TestConfig>{name, /*has_param=*/false, /*skip_handshaker=*/false, | |
| [=](TestConfig *config, const char *param) -> bool { | |
| config->credentials.emplace_back(); | |
| config->credentials.back().type = type; | |
| return true; | |
| }}; | |
| } | |
| Flag<TestConfig> CredentialFlagWithDefault(Flag<TestConfig> default_flag, | |
| Flag<CredentialConfig> flag) { | |
| BSSL_CHECK(strcmp(default_flag.name, flag.name) == 0); | |
| BSSL_CHECK(default_flag.has_param == flag.has_param); | |
| return Flag<TestConfig>{flag.name, flag.has_param, /*skip_handshaker=*/false, | |
| [=](TestConfig *config, const char *param) -> bool { | |
| if (config->credentials.empty()) { | |
| return default_flag.set_param(config, param); | |
| } | |
| return flag.set_param(&config->credentials.back(), | |
| param); | |
| }}; | |
| } | |
| Flag<TestConfig> CredentialFlag(Flag<CredentialConfig> flag) { | |
| return Flag<TestConfig>{flag.name, flag.has_param, /*skip_handshaker=*/false, | |
| [=](TestConfig *config, const char *param) -> bool { | |
| if (config->credentials.empty()) { | |
| fprintf(stderr, "No credentials configured.\n"); | |
| return false; | |
| } | |
| return flag.set_param(&config->credentials.back(), | |
| param); | |
| }}; | |
| } | |
| struct FlagNameComparator { | |
| template <typename Config> | |
| bool operator()(const Flag<Config> &flag1, const Flag<Config> &flag2) const { | |
| return strcmp(flag1.name, flag2.name) < 0; | |
| } | |
| template <typename Config> | |
| bool operator()(const Flag<Config> &flag, const char *name) const { | |
| return strcmp(flag.name, name) < 0; | |
| } | |
| }; | |
| const Flag<TestConfig> *FindFlag(const char *name) { | |
| static const std::vector<Flag<TestConfig>> flags = [] { | |
| std::vector<Flag<TestConfig>> ret = { | |
| IntFlag("-port", &TestConfig::port, /*skip_handshaker=*/true), | |
| BoolFlag("-ipv6", &TestConfig::ipv6, /*skip_handshaker=*/true), | |
| IntFlag("-shim-id", &TestConfig::shim_id, /*skip_handshaker=*/true), | |
| BoolFlag("-server", &TestConfig::is_server), | |
| BoolFlag("-dtls", &TestConfig::is_dtls), | |
| BoolFlag("-quic", &TestConfig::is_quic), | |
| IntFlag("-resume-count", &TestConfig::resume_count), | |
| StringFlag("-write-settings", &TestConfig::write_settings), | |
| #if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) | |
| BoolFlag("-fuzzer-mode", &TestConfig::fuzzer_mode), | |
| #endif | |
| BoolFlag("-fallback-scsv", &TestConfig::fallback_scsv), | |
| IntVectorFlag("-verify-prefs", &TestConfig::verify_prefs), | |
| IntVectorFlag("-expect-peer-verify-pref", | |
| &TestConfig::expect_peer_verify_prefs), | |
| IntVectorFlag("-curves", &TestConfig::curves), | |
| IntVectorFlag("-curves-flags", &TestConfig::curves_flags), | |
| OptionalIntVectorFlag("-key-shares", &TestConfig::key_shares), | |
| SetValueFlag("-no-key-shares", &TestConfig::key_shares, | |
| std::vector<uint16_t>{}), | |
| IntVectorFlag("-server-supported-groups-hint", | |
| &TestConfig::server_supported_groups_hint), | |
| StringFlag("-trust-cert", &TestConfig::trust_cert), | |
| StringFlag("-expect-server-name", &TestConfig::expect_server_name), | |
| BoolFlag("-enable-ech-grease", &TestConfig::enable_ech_grease), | |
| BoolFlag("-reject-unusable-ech-config", | |
| &TestConfig::reject_unusable_ech_config), | |
| Base64VectorFlag("-ech-server-config", &TestConfig::ech_server_configs), | |
| Base64VectorFlag("-ech-server-key", &TestConfig::ech_server_keys), | |
| IntVectorFlag("-ech-is-retry-config", &TestConfig::ech_is_retry_config), | |
| BoolFlag("-expect-ech-accept", &TestConfig::expect_ech_accept), | |
| StringFlag("-expect-ech-name-override", | |
| &TestConfig::expect_ech_name_override), | |
| BoolFlag("-expect-no-ech-name-override", | |
| &TestConfig::expect_no_ech_name_override), | |
| Base64Flag("-expect-ech-retry-configs", | |
| &TestConfig::expect_ech_retry_configs), | |
| BoolFlag("-expect-no-ech-retry-configs", | |
| &TestConfig::expect_no_ech_retry_configs), | |
| Base64Flag("-ech-config-list", &TestConfig::ech_config_list), | |
| Base64Flag("-expect-certificate-types", | |
| &TestConfig::expect_certificate_types), | |
| BoolFlag("-require-any-client-certificate", | |
| &TestConfig::require_any_client_certificate), | |
| StringFlag("-advertise-npn", &TestConfig::advertise_npn), | |
| BoolFlag("-advertise-empty-npn", &TestConfig::advertise_empty_npn), | |
| StringFlag("-expect-next-proto", &TestConfig::expect_next_proto), | |
| BoolFlag("-expect-no-next-proto", &TestConfig::expect_no_next_proto), | |
| BoolFlag("-false-start", &TestConfig::false_start), | |
| StringFlag("-select-next-proto", &TestConfig::select_next_proto), | |
| BoolFlag("-select-empty-next-proto", | |
| &TestConfig::select_empty_next_proto), | |
| BoolFlag("-async", &TestConfig::async), | |
| BoolFlag("-write-different-record-sizes", | |
| &TestConfig::write_different_record_sizes), | |
| BoolFlag("-cbc-record-splitting", &TestConfig::cbc_record_splitting), | |
| BoolFlag("-partial-write", &TestConfig::partial_write), | |
| BoolFlag("-no-tls13", &TestConfig::no_tls13), | |
| BoolFlag("-no-tls12", &TestConfig::no_tls12), | |
| BoolFlag("-no-tls11", &TestConfig::no_tls11), | |
| BoolFlag("-no-tls1", &TestConfig::no_tls1), | |
| BoolFlag("-no-ticket", &TestConfig::no_ticket), | |
| BoolFlag("-no-legacy-server-connect", | |
| &TestConfig::no_legacy_server_connect), | |
| Base64Flag("-expect-channel-id", &TestConfig::expect_channel_id), | |
| BoolFlag("-enable-channel-id", &TestConfig::enable_channel_id), | |
| StringFlag("-send-channel-id", &TestConfig::send_channel_id), | |
| BoolFlag("-shim-writes-first", &TestConfig::shim_writes_first), | |
| StringFlag("-shim-initial-write", &TestConfig::shim_initial_write), | |
| IntFlag("-repeat-shim-initial-write", | |
| &TestConfig::repeat_shim_initial_write), | |
| StringFlag("-host-name", &TestConfig::host_name), | |
| StringFlag("-advertise-alpn", &TestConfig::advertise_alpn), | |
| StringFlag("-expect-alpn", &TestConfig::expect_alpn), | |
| StringFlag("-expect-advertised-alpn", | |
| &TestConfig::expect_advertised_alpn), | |
| StringFlag("-select-alpn", &TestConfig::select_alpn), | |
| BoolFlag("-decline-alpn", &TestConfig::decline_alpn), | |
| BoolFlag("-reject-alpn", &TestConfig::reject_alpn), | |
| BoolFlag("-select-empty-alpn", &TestConfig::select_empty_alpn), | |
| BoolFlag("-defer-alps", &TestConfig::defer_alps), | |
| StringPairVectorFlag("-application-settings", | |
| &TestConfig::application_settings), | |
| OptionalStringFlag("-expect-peer-application-settings", | |
| &TestConfig::expect_peer_application_settings), | |
| IntFlag("-alps-use-new-codepoint", &TestConfig::alps_use_new_codepoint), | |
| Base64Flag("-quic-transport-params", | |
| &TestConfig::quic_transport_params), | |
| Base64Flag("-expect-quic-transport-params", | |
| &TestConfig::expect_quic_transport_params), | |
| IntFlag("-quic-use-legacy-codepoint", | |
| &TestConfig::quic_use_legacy_codepoint), | |
| BoolFlag("-expect-session-miss", &TestConfig::expect_session_miss), | |
| BoolFlag("-expect-extended-master-secret", | |
| &TestConfig::expect_extended_master_secret), | |
| StringFlag("-psk", &TestConfig::psk), | |
| StringFlag("-psk-identity", &TestConfig::psk_identity), | |
| StringFlag("-srtp-profiles", &TestConfig::srtp_profiles), | |
| BoolFlag("-enable-ocsp-stapling", &TestConfig::enable_ocsp_stapling), | |
| BoolFlag("-enable-signed-cert-timestamps", | |
| &TestConfig::enable_signed_cert_timestamps), | |
| Base64Flag("-expect-signed-cert-timestamps", | |
| &TestConfig::expect_signed_cert_timestamps), | |
| IntFlag("-min-version", &TestConfig::min_version), | |
| IntFlag("-max-version", &TestConfig::max_version), | |
| IntFlag("-expect-version", &TestConfig::expect_version), | |
| IntFlag("-mtu", &TestConfig::mtu), | |
| BoolFlag("-implicit-handshake", &TestConfig::implicit_handshake), | |
| BoolFlag("-use-early-callback", &TestConfig::use_early_callback), | |
| BoolFlag("-fail-early-callback", &TestConfig::fail_early_callback), | |
| BoolFlag("-fail-early-callback-ech-rewind", | |
| &TestConfig::fail_early_callback_ech_rewind), | |
| BoolFlag("-install-ddos-callback", &TestConfig::install_ddos_callback), | |
| BoolFlag("-fail-ddos-callback", &TestConfig::fail_ddos_callback), | |
| BoolFlag("-fail-cert-callback", &TestConfig::fail_cert_callback), | |
| StringFlag("-cipher", &TestConfig::cipher), | |
| BoolFlag("-handshake-never-done", &TestConfig::handshake_never_done), | |
| IntFlag("-export-keying-material", &TestConfig::export_keying_material), | |
| StringFlag("-export-label", &TestConfig::export_label), | |
| StringFlag("-export-context", &TestConfig::export_context), | |
| BoolFlag("-use-export-context", &TestConfig::use_export_context), | |
| BoolFlag("-tls-unique", &TestConfig::tls_unique), | |
| BoolFlag("-expect-ticket-renewal", &TestConfig::expect_ticket_renewal), | |
| BoolFlag("-expect-no-session", &TestConfig::expect_no_session), | |
| BoolFlag("-expect-ticket-supports-early-data", | |
| &TestConfig::expect_ticket_supports_early_data), | |
| BoolFlag("-expect-accept-early-data", | |
| &TestConfig::expect_accept_early_data), | |
| BoolFlag("-expect-reject-early-data", | |
| &TestConfig::expect_reject_early_data), | |
| BoolFlag("-expect-no-offer-early-data", | |
| &TestConfig::expect_no_offer_early_data), | |
| BoolFlag("-expect-no-server-name", &TestConfig::expect_no_server_name), | |
| BoolFlag("-use-ticket-callback", &TestConfig::use_ticket_callback), | |
| BoolFlag("-use-ticket-aead-callback", | |
| &TestConfig::use_ticket_aead_callback), | |
| BoolFlag("-renew-ticket", &TestConfig::renew_ticket), | |
| BoolFlag("-skip-ticket", &TestConfig::skip_ticket), | |
| BoolFlag("-enable-early-data", &TestConfig::enable_early_data), | |
| Base64Flag("-expect-ocsp-response", &TestConfig::expect_ocsp_response), | |
| BoolFlag("-check-close-notify", &TestConfig::check_close_notify), | |
| BoolFlag("-shim-shuts-down", &TestConfig::shim_shuts_down), | |
| BoolFlag("-verify-fail", &TestConfig::verify_fail), | |
| BoolFlag("-verify-peer", &TestConfig::verify_peer), | |
| BoolFlag("-expect-verify-result", &TestConfig::expect_verify_result), | |
| IntFlag("-expect-total-renegotiations", | |
| &TestConfig::expect_total_renegotiations), | |
| BoolFlag("-renegotiate-once", &TestConfig::renegotiate_once), | |
| BoolFlag("-renegotiate-freely", &TestConfig::renegotiate_freely), | |
| BoolFlag("-renegotiate-ignore", &TestConfig::renegotiate_ignore), | |
| BoolFlag("-renegotiate-explicit", &TestConfig::renegotiate_explicit), | |
| BoolFlag("-forbid-renegotiation-after-handshake", | |
| &TestConfig::forbid_renegotiation_after_handshake), | |
| IntFlag("-expect-peer-signature-algorithm", | |
| &TestConfig::expect_peer_signature_algorithm), | |
| IntFlag("-expect-curve-id", &TestConfig::expect_curve_id), | |
| BoolFlag("-use-old-client-cert-callback", | |
| &TestConfig::use_old_client_cert_callback), | |
| IntFlag("-initial-timeout-duration-ms", | |
| &TestConfig::initial_timeout_duration_ms), | |
| StringFlag("-use-client-ca-list", &TestConfig::use_client_ca_list), | |
| StringFlag("-expect-client-ca-list", | |
| &TestConfig::expect_client_ca_list), | |
| BoolFlag("-send-alert", &TestConfig::send_alert), | |
| BoolFlag("-peek-then-read", &TestConfig::peek_then_read), | |
| BoolFlag("-enable-grease", &TestConfig::enable_grease), | |
| BoolFlag("-permute-extensions", &TestConfig::permute_extensions), | |
| IntFlag("-max-cert-list", &TestConfig::max_cert_list), | |
| Base64Flag("-ticket-key", &TestConfig::ticket_key), | |
| BoolFlag("-use-exporter-between-reads", | |
| &TestConfig::use_exporter_between_reads), | |
| IntFlag("-expect-cipher-aes", &TestConfig::expect_cipher_aes), | |
| IntFlag("-expect-cipher-no-aes", &TestConfig::expect_cipher_no_aes), | |
| IntFlag("-expect-cipher", &TestConfig::expect_cipher), | |
| StringFlag("-expect-peer-cert-file", | |
| &TestConfig::expect_peer_cert_file), | |
| BoolFlag("-expect-no-peer-cert", &TestConfig::expect_no_peer_cert), | |
| IntFlag("-resumption-delay", &TestConfig::resumption_delay), | |
| BoolFlag("-retain-only-sha256-client-cert", | |
| &TestConfig::retain_only_sha256_client_cert), | |
| BoolFlag("-expect-sha256-client-cert", | |
| &TestConfig::expect_sha256_client_cert), | |
| BoolFlag("-read-with-unfinished-write", | |
| &TestConfig::read_with_unfinished_write), | |
| BoolFlag("-expect-secure-renegotiation", | |
| &TestConfig::expect_secure_renegotiation), | |
| BoolFlag("-expect-no-secure-renegotiation", | |
| &TestConfig::expect_no_secure_renegotiation), | |
| IntFlag("-max-send-fragment", &TestConfig::max_send_fragment), | |
| IntFlag("-read-size", &TestConfig::read_size), | |
| BoolFlag("-expect-session-id", &TestConfig::expect_session_id), | |
| BoolFlag("-expect-no-session-id", &TestConfig::expect_no_session_id), | |
| IntFlag("-expect-ticket-age-skew", &TestConfig::expect_ticket_age_skew), | |
| BoolFlag("-no-op-extra-handshake", &TestConfig::no_op_extra_handshake), | |
| BoolFlag("-handshake-twice", &TestConfig::handshake_twice), | |
| BoolFlag("-allow-unknown-alpn-protos", | |
| &TestConfig::allow_unknown_alpn_protos), | |
| BoolFlag("-use-custom-verify-callback", | |
| &TestConfig::use_custom_verify_callback), | |
| StringFlag("-expect-msg-callback", &TestConfig::expect_msg_callback), | |
| BoolFlag("-allow-false-start-without-alpn", | |
| &TestConfig::allow_false_start_without_alpn), | |
| BoolFlag("-handshake-hints", &TestConfig::handshake_hints), | |
| BoolFlag("-allow-hint-mismatch", &TestConfig::allow_hint_mismatch), | |
| BoolFlag("-use-ocsp-callback", &TestConfig::use_ocsp_callback), | |
| BoolFlag("-set-ocsp-in-callback", &TestConfig::set_ocsp_in_callback), | |
| BoolFlag("-decline-ocsp-callback", &TestConfig::decline_ocsp_callback), | |
| BoolFlag("-fail-ocsp-callback", &TestConfig::fail_ocsp_callback), | |
| BoolFlag("-install-cert-compression-algs", | |
| &TestConfig::install_cert_compression_algs), | |
| IntFlag("-install-one-cert-compression-alg", | |
| &TestConfig::install_one_cert_compression_alg), | |
| BoolFlag("-reverify-on-resume", &TestConfig::reverify_on_resume), | |
| BoolFlag("-is-handshaker-supported", | |
| &TestConfig::is_handshaker_supported), | |
| BoolFlag("-handshaker-resume", &TestConfig::handshaker_resume), | |
| StringFlag("-handshaker-path", &TestConfig::handshaker_path), | |
| BoolFlag("-jdk11-workaround", &TestConfig::jdk11_workaround), | |
| BoolFlag("-server-preference", &TestConfig::server_preference), | |
| BoolFlag("-export-traffic-secrets", | |
| &TestConfig::export_traffic_secrets), | |
| BoolFlag("-key-update", &TestConfig::key_update), | |
| BoolFlag("-key-update-before-read", | |
| &TestConfig::key_update_before_read), | |
| StringFlag("-expect-early-data-reason", | |
| &TestConfig::expect_early_data_reason), | |
| BoolFlag("-expect-hrr", &TestConfig::expect_hrr), | |
| BoolFlag("-expect-no-hrr", &TestConfig::expect_no_hrr), | |
| BoolFlag("-wait-for-debugger", &TestConfig::wait_for_debugger), | |
| StringFlag("-quic-early-data-context", | |
| &TestConfig::quic_early_data_context), | |
| IntFlag("-early-write-after-message", | |
| &TestConfig::early_write_after_message), | |
| BoolFlag("-fips-202205", &TestConfig::fips_202205), | |
| BoolFlag("-wpa-202304", &TestConfig::wpa_202304), | |
| BoolFlag("-cnsa-202407", &TestConfig::cnsa_202407), | |
| BoolFlag("-cnsa1-202603", &TestConfig::cnsa1_202603), | |
| BoolFlag("-cnsa2-202603", &TestConfig::cnsa2_202603), | |
| SetValueFlag("-expect-peer-match-trust-anchor", | |
| &TestConfig::expect_peer_match_trust_anchor, true), | |
| SetValueFlag("-expect-no-peer-match-trust-anchor", | |
| &TestConfig::expect_peer_match_trust_anchor, false), | |
| OptionalBase64Flag("-expect-peer-available-trust-anchors", | |
| &TestConfig::expect_peer_available_trust_anchors), | |
| OptionalBase64Flag("-requested-trust-anchors", | |
| &TestConfig::requested_trust_anchors), | |
| Base64Flag("-available-trust-anchors", | |
| &TestConfig::available_trust_anchors), | |
| OptionalIntFlag("-expect-selected-credential", | |
| &TestConfig::expect_selected_credential), | |
| // Credential flags are stateful. First, use one of the | |
| // -new-*-credential flags to introduce a new credential. Then the flags | |
| // below switch from acting on the legacy credential to the newly-added | |
| // one. Repeat this process to continue adding them. | |
| NewCredentialFlag("-new-x509-credential", CredentialConfigType::kX509), | |
| NewCredentialFlag("-new-delegated-credential", | |
| CredentialConfigType::kDelegated), | |
| NewCredentialFlag("-new-spake2plusv1-credential", | |
| CredentialConfigType::kSPAKE2PlusV1), | |
| NewCredentialFlag("-new-psk-credential", | |
| CredentialConfigType::kPreSharedKey), | |
| NewCredentialFlag("-new-rpk-credential", | |
| CredentialConfigType::kRawPublicKey), | |
| CredentialFlagWithDefault( | |
| StringFlag("-cert-file", &TestConfig::cert_file), | |
| StringFlag("-cert-file", &CredentialConfig::cert_file)), | |
| CredentialFlagWithDefault( | |
| StringFlag("-key-file", &TestConfig::key_file), | |
| StringFlag("-key-file", &CredentialConfig::key_file)), | |
| CredentialFlagWithDefault( | |
| IntVectorFlag("-signing-prefs", &TestConfig::signing_prefs), | |
| IntVectorFlag("-signing-prefs", &CredentialConfig::signing_prefs)), | |
| CredentialFlag(Base64Flag("-delegated-credential", | |
| &CredentialConfig::delegated_credential)), | |
| CredentialFlagWithDefault( | |
| Base64Flag("-ocsp-response", &TestConfig::ocsp_response), | |
| Base64Flag("-ocsp-response", &CredentialConfig::ocsp_response)), | |
| CredentialFlagWithDefault( | |
| Base64Flag("-signed-cert-timestamps", | |
| &TestConfig::signed_cert_timestamps), | |
| Base64Flag("-signed-cert-timestamps", | |
| &CredentialConfig::signed_cert_timestamps)), | |
| CredentialFlag(BoolFlag("-must-match-issuer", | |
| &CredentialConfig::must_match_issuer)), | |
| CredentialFlag( | |
| Base64Flag("-pake-context", &CredentialConfig::pake_context)), | |
| CredentialFlag( | |
| Base64Flag("-pake-client-id", &CredentialConfig::pake_client_id)), | |
| CredentialFlag( | |
| Base64Flag("-pake-server-id", &CredentialConfig::pake_server_id)), | |
| CredentialFlag( | |
| Base64Flag("-pake-password", &CredentialConfig::pake_password)), | |
| CredentialFlag( | |
| BoolFlag("-wrong-pake-role", &CredentialConfig::wrong_pake_role)), | |
| CredentialFlag(Base64Flag("-psk-importer-key", &CredentialConfig::psk)), | |
| CredentialFlag(Base64Flag("-psk-importer-identity", | |
| &CredentialConfig::psk_identity)), | |
| CredentialFlag(Base64Flag("-psk-importer-context", | |
| &CredentialConfig::psk_context)), | |
| CredentialFlag(SetValueFlag("-psk-importer-sha256", | |
| &CredentialConfig::psk_hash, EVP_sha256())), | |
| CredentialFlag(SetValueFlag("-psk-importer-sha384", | |
| &CredentialConfig::psk_hash, EVP_sha384())), | |
| CredentialFlag( | |
| Base64Flag("-cert-properties", &CredentialConfig::cert_properties)), | |
| IntFlag("-private-key-delay-ms", &TestConfig::private_key_delay_ms), | |
| BoolFlag("-resumption-across-names-enabled", | |
| &TestConfig::resumption_across_names_enabled), | |
| SetValueFlag("-expect-resumable-across-names", | |
| &TestConfig::expect_resumable_across_names, true), | |
| SetValueFlag("-expect-not-resumable-across-names", | |
| &TestConfig::expect_resumable_across_names, false), | |
| BoolFlag("-no-server-name-ack", &TestConfig::no_server_name_ack), | |
| IntVectorFlag("-accepted-peer-cert-types", | |
| &TestConfig::accepted_peer_cert_types), | |
| IntVectorFlag("-available-client-cert-types", | |
| &TestConfig::available_client_cert_types), | |
| OptionalIntFlag("-expect-peer-certificate-type", | |
| &TestConfig::expect_peer_certificate_type), | |
| Base64Flag("-expect-peer-rpk-sha256", | |
| &TestConfig::expect_peer_rpk_sha256), | |
| OptionalIntFlag("-request-server-padding", | |
| &TestConfig::request_server_padding), | |
| BoolFlag("-expect-server-sent-requested-padding", | |
| &TestConfig::expect_server_sent_requested_padding), | |
| BoolFlag("-server-supports-padding", | |
| &TestConfig::server_supports_padding), | |
| }; | |
| std::sort(ret.begin(), ret.end(), FlagNameComparator{}); | |
| return ret; | |
| }(); | |
| auto iter = | |
| std::lower_bound(flags.begin(), flags.end(), name, FlagNameComparator{}); | |
| if (iter == flags.end() || strcmp(iter->name, name) != 0) { | |
| return nullptr; | |
| } | |
| return &*iter; | |
| } | |
| // RemovePrefix checks if `*str` begins with `prefix` + "-". If so, it advances | |
| // `*str` past `prefix` (but not past the "-") and returns true. Otherwise, it | |
| // returns false and leaves `*str` unmodified. | |
| bool RemovePrefix(const char **str, const char *prefix) { | |
| size_t prefix_len = strlen(prefix); | |
| if (strncmp(*str, prefix, strlen(prefix)) == 0 && (*str)[prefix_len] == '-') { | |
| *str += strlen(prefix); | |
| return true; | |
| } | |
| return false; | |
| } | |
| } // namespace | |
| bool ParseConfig(int argc, char **argv, bool is_shim, TestConfig *out_initial, | |
| TestConfig *out_resume, TestConfig *out_retry) { | |
| for (int i = 0; i < argc; i++) { | |
| bool skip = false; | |
| const char *arg = argv[i]; | |
| const char *name = arg; | |
| // -on-shim and -on-handshaker prefixes enable flags only on the shim or | |
| // handshaker. | |
| if (RemovePrefix(&name, "-on-shim")) { | |
| if (!is_shim) { | |
| skip = true; | |
| } | |
| } else if (RemovePrefix(&name, "-on-handshaker")) { | |
| if (is_shim) { | |
| skip = true; | |
| } | |
| } | |
| // The following prefixes allow different configurations for each of the | |
| // initial, resumption, and 0-RTT retry handshakes. | |
| TestConfig *out = nullptr; | |
| if (RemovePrefix(&name, "-on-initial")) { | |
| out = out_initial; | |
| } else if (RemovePrefix(&name, "-on-resume")) { | |
| out = out_resume; | |
| } else if (RemovePrefix(&name, "-on-retry")) { | |
| out = out_retry; | |
| } | |
| const Flag<TestConfig> *flag = FindFlag(name); | |
| if (flag == nullptr) { | |
| fprintf(stderr, "Unrecognized flag: %s\n", name); | |
| return false; | |
| } | |
| const char *param = nullptr; | |
| if (flag->has_param) { | |
| if (i >= argc) { | |
| fprintf(stderr, "Missing parameter for %s\n", name); | |
| return false; | |
| } | |
| i++; | |
| param = argv[i]; | |
| } | |
| if (!flag->skip_handshaker) { | |
| out_initial->handshaker_args.push_back(arg); | |
| if (flag->has_param) { | |
| out_initial->handshaker_args.push_back(param); | |
| } | |
| } | |
| if (!skip) { | |
| if (out != nullptr) { | |
| if (!flag->set_param(out, param)) { | |
| if (!param) { | |
| param = "(no parameter)"; | |
| } | |
| fprintf(stderr, "Invalid parameter for %s: %s\n", name, param); | |
| return false; | |
| } | |
| } else { | |
| // Unprefixed flags apply to all three. | |
| if (!flag->set_param(out_initial, param) || | |
| !flag->set_param(out_resume, param) || | |
| !flag->set_param(out_retry, param)) { | |
| if (!param) { | |
| param = "(no parameter)"; | |
| } | |
| fprintf(stderr, "Invalid parameter for %s: %s\n", name, param); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| out_resume->handshaker_args = out_initial->handshaker_args; | |
| out_retry->handshaker_args = out_initial->handshaker_args; | |
| return true; | |
| } | |
| static CRYPTO_BUFFER_POOL *BufferPool() { | |
| static CRYPTO_BUFFER_POOL *pool = [&] { | |
| OPENSSL_disable_malloc_failures_for_testing(); | |
| CRYPTO_BUFFER_POOL *ret = CRYPTO_BUFFER_POOL_new(); | |
| BSSL_CHECK(ret != nullptr); | |
| OPENSSL_enable_malloc_failures_for_testing(); | |
| return ret; | |
| }(); | |
| return pool; | |
| } | |
| static int TestConfigExDataIndex() { | |
| static int index = [&] { | |
| OPENSSL_disable_malloc_failures_for_testing(); | |
| int ret = SSL_get_ex_new_index(0, nullptr, nullptr, nullptr, nullptr); | |
| BSSL_CHECK(ret >= 0); | |
| OPENSSL_enable_malloc_failures_for_testing(); | |
| return ret; | |
| }(); | |
| return index; | |
| } | |
| bool SetTestConfig(SSL *ssl, const TestConfig *config) { | |
| return SSL_set_ex_data(ssl, TestConfigExDataIndex(), (void *)config) == 1; | |
| } | |
| const TestConfig *GetTestConfig(const SSL *ssl) { | |
| return static_cast<const TestConfig *>( | |
| SSL_get_ex_data(ssl, TestConfigExDataIndex())); | |
| } | |
| struct CredentialInfo { | |
| int number = -1; | |
| bssl::UniquePtr<EVP_PKEY> private_key; | |
| }; | |
| static void CredentialInfoExDataFree(void *parent, void *ptr, | |
| CRYPTO_EX_DATA *ad, int index, long argl, | |
| void *argp) { | |
| delete static_cast<CredentialInfo *>(ptr); | |
| } | |
| static int CredentialInfoExDataIndex() { | |
| static int index = [&] { | |
| OPENSSL_disable_malloc_failures_for_testing(); | |
| int ret = SSL_CREDENTIAL_get_ex_new_index(0, nullptr, nullptr, nullptr, | |
| CredentialInfoExDataFree); | |
| BSSL_CHECK(ret >= 0); | |
| OPENSSL_enable_malloc_failures_for_testing(); | |
| return ret; | |
| }(); | |
| return index; | |
| } | |
| static const CredentialInfo *GetCredentialInfo(const SSL_CREDENTIAL *cred) { | |
| return static_cast<const CredentialInfo *>( | |
| SSL_CREDENTIAL_get_ex_data(cred, CredentialInfoExDataIndex())); | |
| } | |
| static bool SetCredentialInfo(SSL_CREDENTIAL *cred, | |
| std::unique_ptr<CredentialInfo> info) { | |
| if (!SSL_CREDENTIAL_set_ex_data(cred, CredentialInfoExDataIndex(), | |
| info.get())) { | |
| return false; | |
| } | |
| info.release(); // `cred` takes ownership on success. | |
| return true; | |
| } | |
| static int LegacyOCSPCallback(SSL *ssl, void *arg) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!SSL_is_server(ssl)) { | |
| return !config->fail_ocsp_callback; | |
| } | |
| if (!config->ocsp_response.empty() && config->set_ocsp_in_callback && | |
| !SSL_set_ocsp_response(ssl, (const uint8_t *)config->ocsp_response.data(), | |
| config->ocsp_response.size())) { | |
| return SSL_TLSEXT_ERR_ALERT_FATAL; | |
| } | |
| if (config->fail_ocsp_callback) { | |
| return SSL_TLSEXT_ERR_ALERT_FATAL; | |
| } | |
| if (config->decline_ocsp_callback) { | |
| return SSL_TLSEXT_ERR_NOACK; | |
| } | |
| return SSL_TLSEXT_ERR_OK; | |
| } | |
| static int ServerNameCallback(SSL *ssl, int *out_alert, void *arg) { | |
| // SNI must be accessible from the SNI callback. | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!config->expect_server_name.empty()) { | |
| const char *server_name = | |
| SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name); | |
| if (server_name == nullptr || | |
| std::string(server_name) != config->expect_server_name) { | |
| fprintf(stderr, "servername mismatch (got %s; want %s).\n", server_name, | |
| config->expect_server_name.c_str()); | |
| return SSL_TLSEXT_ERR_ALERT_FATAL; | |
| } | |
| } | |
| return config->no_server_name_ack ? SSL_TLSEXT_ERR_NOACK : SSL_TLSEXT_ERR_OK; | |
| } | |
| static int NextProtoSelectCallback(SSL *ssl, uint8_t **out, uint8_t *outlen, | |
| const uint8_t *in, unsigned inlen, | |
| void *arg) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| *out = (uint8_t *)config->select_next_proto.data(); | |
| *outlen = config->select_next_proto.size(); | |
| return SSL_TLSEXT_ERR_OK; | |
| } | |
| static int NextProtosAdvertisedCallback(SSL *ssl, const uint8_t **out, | |
| unsigned int *out_len, void *arg) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (config->advertise_npn.empty() && !config->advertise_empty_npn) { | |
| return SSL_TLSEXT_ERR_NOACK; | |
| } | |
| if (config->advertise_npn.size() > UINT_MAX) { | |
| fprintf(stderr, "NPN value too large.\n"); | |
| return SSL_TLSEXT_ERR_ALERT_FATAL; | |
| } | |
| *out = reinterpret_cast<const uint8_t *>(config->advertise_npn.data()); | |
| *out_len = static_cast<unsigned>(config->advertise_npn.size()); | |
| return SSL_TLSEXT_ERR_OK; | |
| } | |
| static void MessageCallback(int is_write, int version, int content_type, | |
| const void *buf, size_t len, SSL *ssl, void *arg) { | |
| const uint8_t *buf_u8 = reinterpret_cast<const uint8_t *>(buf); | |
| const TestConfig *config = GetTestConfig(ssl); | |
| TestState *state = GetTestState(ssl); | |
| if (!state->msg_callback_ok) { | |
| return; | |
| } | |
| if (content_type == SSL3_RT_HEADER) { | |
| if (config->is_dtls) { | |
| // Starting DTLS 1.3, record headers are variable-length, but they will | |
| // not be longer than DTLS 1.2's 13-byte header. | |
| if (len > 13) { | |
| fprintf(stderr, "DTLS record header is too long: %zu.\n", len); | |
| } | |
| return; | |
| } | |
| if (len != SSL3_RT_HEADER_LENGTH) { | |
| fprintf(stderr, "Incorrect length for record header: %zu.\n", len); | |
| state->msg_callback_ok = false; | |
| } | |
| return; | |
| } | |
| state->msg_callback_text += is_write ? "write " : "read "; | |
| switch (content_type) { | |
| case 0: | |
| if (version != SSL2_VERSION) { | |
| fprintf(stderr, "Incorrect version for V2ClientHello: %x.\n", | |
| static_cast<unsigned>(version)); | |
| state->msg_callback_ok = false; | |
| return; | |
| } | |
| state->msg_callback_text += "v2clienthello\n"; | |
| return; | |
| case SSL3_RT_CLIENT_HELLO_INNER: | |
| case SSL3_RT_HANDSHAKE: { | |
| CBS cbs; | |
| CBS_init(&cbs, buf_u8, len); | |
| uint8_t type; | |
| uint32_t msg_len; | |
| if (!CBS_get_u8(&cbs, &type) || | |
| // TODO(davidben): Reporting on entire messages would be more | |
| // consistent than fragments. | |
| (config->is_dtls && | |
| !CBS_skip(&cbs, 3 /* total */ + 2 /* seq */ + 3 /* frag_off */)) || | |
| !CBS_get_u24(&cbs, &msg_len) || !CBS_skip(&cbs, msg_len) || | |
| CBS_len(&cbs) != 0) { | |
| fprintf(stderr, "Could not parse handshake message.\n"); | |
| state->msg_callback_ok = false; | |
| return; | |
| } | |
| char text[16]; | |
| if (content_type == SSL3_RT_CLIENT_HELLO_INNER) { | |
| if (type != SSL3_MT_CLIENT_HELLO) { | |
| fprintf(stderr, "Invalid header for ClientHelloInner.\n"); | |
| state->msg_callback_ok = false; | |
| return; | |
| } | |
| state->msg_callback_text += "clienthelloinner\n"; | |
| } else { | |
| snprintf(text, sizeof(text), "hs %d\n", type); | |
| state->msg_callback_text += text; | |
| if (!is_write) { | |
| state->last_message_received = type; | |
| } | |
| } | |
| return; | |
| } | |
| case SSL3_RT_CHANGE_CIPHER_SPEC: | |
| if (len != 1 || buf_u8[0] != 1) { | |
| fprintf(stderr, "Invalid ChangeCipherSpec.\n"); | |
| state->msg_callback_ok = false; | |
| return; | |
| } | |
| state->msg_callback_text += "ccs\n"; | |
| return; | |
| case SSL3_RT_ALERT: | |
| if (len != 2) { | |
| fprintf(stderr, "Invalid alert.\n"); | |
| state->msg_callback_ok = false; | |
| return; | |
| } | |
| char text[16]; | |
| snprintf(text, sizeof(text), "alert %d %d\n", buf_u8[0], buf_u8[1]); | |
| state->msg_callback_text += text; | |
| return; | |
| case SSL3_RT_ACK: | |
| state->msg_callback_text += "ack\n"; | |
| return; | |
| default: | |
| fprintf(stderr, "Invalid content_type: %d.\n", content_type); | |
| state->msg_callback_ok = false; | |
| } | |
| } | |
| static int TicketKeyCallback(SSL *ssl, uint8_t *key_name, uint8_t *iv, | |
| EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, | |
| int encrypt) { | |
| if (!encrypt) { | |
| if (GetTestState(ssl)->ticket_decrypt_done) { | |
| fprintf(stderr, "TicketKeyCallback called after completion.\n"); | |
| return -1; | |
| } | |
| GetTestState(ssl)->ticket_decrypt_done = true; | |
| } | |
| // This is just test code, so use the all-zeros key. | |
| static const uint8_t kZeros[16] = {0}; | |
| if (encrypt) { | |
| if (GetTestConfig(ssl)->skip_ticket) { | |
| return 0; | |
| } | |
| OPENSSL_memcpy(key_name, kZeros, sizeof(kZeros)); | |
| RAND_bytes(iv, 16); | |
| } else if (OPENSSL_memcmp(key_name, kZeros, 16) != 0) { | |
| return 0; | |
| } | |
| if (!HMAC_Init_ex(hmac_ctx, kZeros, sizeof(kZeros), EVP_sha256(), nullptr) || | |
| !EVP_CipherInit_ex(ctx, EVP_aes_128_cbc(), nullptr, kZeros, iv, | |
| encrypt)) { | |
| return -1; | |
| } | |
| if (!encrypt) { | |
| return GetTestConfig(ssl)->renew_ticket ? 2 : 1; | |
| } | |
| return 1; | |
| } | |
| static int NewSessionCallback(SSL *ssl, SSL_SESSION *session) { | |
| // This callback is called as the handshake completes. `SSL_get_session` | |
| // must continue to work and, historically, `SSL_in_init` returned false at | |
| // this point. | |
| if (SSL_in_init(ssl) || SSL_get_session(ssl) == nullptr) { | |
| fprintf(stderr, "Invalid state for NewSessionCallback.\n"); | |
| abort(); | |
| } | |
| GetTestState(ssl)->got_new_session = true; | |
| GetTestState(ssl)->new_session.reset(session); | |
| return 1; | |
| } | |
| static void InfoCallback(const SSL *ssl, int type, int val) { | |
| if (type == SSL_CB_HANDSHAKE_DONE) { | |
| if (GetTestConfig(ssl)->handshake_never_done) { | |
| fprintf(stderr, "Handshake unexpectedly completed.\n"); | |
| // Abort before any expected error code is printed, to ensure the overall | |
| // test fails. | |
| abort(); | |
| } | |
| // This callback is called when the handshake completes. `SSL_get_session` | |
| // must continue to work and `SSL_in_init` must return false. | |
| if (SSL_in_init(ssl) || SSL_get_session(ssl) == nullptr) { | |
| fprintf(stderr, "Invalid state for SSL_CB_HANDSHAKE_DONE.\n"); | |
| abort(); | |
| } | |
| TestState *test_state = GetTestState(ssl); | |
| test_state->handshake_done = true; | |
| // Save the selected credential for the tests to assert on. | |
| const SSL_CREDENTIAL *cred = SSL_get0_selected_credential(ssl); | |
| const CredentialInfo *cred_info = | |
| cred != nullptr ? GetCredentialInfo(cred) : nullptr; | |
| test_state->selected_credential = | |
| cred_info != nullptr ? cred_info->number : -1; | |
| } | |
| } | |
| static SSL_SESSION *GetSessionCallback(SSL *ssl, const uint8_t *data, int len, | |
| int *copy) { | |
| TestState *async_state = GetTestState(ssl); | |
| if (async_state->session) { | |
| *copy = 0; | |
| return async_state->session.release(); | |
| } else if (async_state->pending_session) { | |
| return SSL_magic_pending_session_ptr(); | |
| } else { | |
| return nullptr; | |
| } | |
| } | |
| static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) { | |
| *out_clock = *GetClock(); | |
| } | |
| static int AlpnSelectCallback(SSL *ssl, const uint8_t **out, uint8_t *outlen, | |
| const uint8_t *in, unsigned inlen, void *arg) { | |
| if (GetTestState(ssl)->alpn_select_done) { | |
| fprintf(stderr, "AlpnSelectCallback called after completion.\n"); | |
| exit(1); | |
| } | |
| GetTestState(ssl)->alpn_select_done = true; | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (config->decline_alpn) { | |
| return SSL_TLSEXT_ERR_NOACK; | |
| } | |
| if (config->reject_alpn) { | |
| return SSL_TLSEXT_ERR_ALERT_FATAL; | |
| } | |
| if (!config->expect_advertised_alpn.empty() && | |
| bssl::StringAsBytes(config->expect_advertised_alpn) != | |
| bssl::Span(in, inlen)) { | |
| fprintf(stderr, "bad ALPN select callback inputs.\n"); | |
| exit(1); | |
| } | |
| if (config->defer_alps) { | |
| for (const auto &pair : config->application_settings) { | |
| if (!SSL_add_application_settings( | |
| ssl, reinterpret_cast<const uint8_t *>(pair.first.data()), | |
| pair.first.size(), | |
| reinterpret_cast<const uint8_t *>(pair.second.data()), | |
| pair.second.size())) { | |
| fprintf(stderr, "error configuring ALPS.\n"); | |
| exit(1); | |
| } | |
| } | |
| } | |
| assert(config->select_alpn.empty() || !config->select_empty_alpn); | |
| *out = (const uint8_t *)config->select_alpn.data(); | |
| *outlen = config->select_alpn.size(); | |
| return SSL_TLSEXT_ERR_OK; | |
| } | |
| static bool CheckVerifyCallback(SSL *ssl) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!config->expect_ocsp_response.empty()) { | |
| const uint8_t *data; | |
| size_t len; | |
| SSL_get0_ocsp_response(ssl, &data, &len); | |
| if (len == 0) { | |
| fprintf(stderr, "OCSP response not available in verify callback.\n"); | |
| return false; | |
| } | |
| } | |
| const char *name_override; | |
| size_t name_override_len; | |
| SSL_get0_ech_name_override(ssl, &name_override, &name_override_len); | |
| if (config->expect_no_ech_name_override && name_override_len != 0) { | |
| fprintf(stderr, "Unexpected ECH name override.\n"); | |
| return false; | |
| } | |
| if (!config->expect_ech_name_override.empty() && | |
| config->expect_ech_name_override != | |
| std::string(name_override, name_override_len)) { | |
| fprintf(stderr, "ECH name did not match expected value.\n"); | |
| return false; | |
| } | |
| if (config->expect_peer_match_trust_anchor.has_value() && | |
| !!SSL_peer_matched_trust_anchor(ssl) != | |
| config->expect_peer_match_trust_anchor.value()) { | |
| fprintf(stderr, "Peer unexpected %s a requested trust anchor", | |
| SSL_peer_matched_trust_anchor(ssl) ? "matched" : "failed to match"); | |
| return false; | |
| } | |
| if (config->expect_peer_available_trust_anchors.has_value()) { | |
| const uint8_t *peer_ids; | |
| size_t peer_ids_len; | |
| SSL_get0_peer_available_trust_anchors(ssl, &peer_ids, &peer_ids_len); | |
| if (bssl::Span(peer_ids, peer_ids_len) != | |
| *config->expect_peer_available_trust_anchors) { | |
| fprintf(stderr, | |
| "Peer's available trust anchors did not match expectations."); | |
| return false; | |
| } | |
| } | |
| if (GetTestState(ssl)->cert_verified) { | |
| fprintf(stderr, "Certificate verified twice.\n"); | |
| return false; | |
| } | |
| return true; | |
| } | |
| static int CertVerifyCallback(X509_STORE_CTX *store_ctx, void *arg) { | |
| SSL *ssl = (SSL *)X509_STORE_CTX_get_ex_data( | |
| store_ctx, SSL_get_ex_data_X509_STORE_CTX_idx()); | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!CheckVerifyCallback(ssl)) { | |
| return 0; | |
| } | |
| GetTestState(ssl)->cert_verified = true; | |
| if (config->verify_fail) { | |
| X509_STORE_CTX_set_error(store_ctx, X509_V_ERR_APPLICATION_VERIFICATION); | |
| return 0; | |
| } | |
| return 1; | |
| } | |
| bool LoadCertificate(bssl::UniquePtr<X509> *out_x509, | |
| bssl::UniquePtr<STACK_OF(X509)> *out_chain, | |
| const std::string &file) { | |
| bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_file())); | |
| if (!bio || !BIO_read_filename(bio.get(), file.c_str())) { | |
| return false; | |
| } | |
| out_x509->reset(PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr)); | |
| if (!*out_x509) { | |
| return false; | |
| } | |
| out_chain->reset(sk_X509_new_null()); | |
| if (!*out_chain) { | |
| return false; | |
| } | |
| // Keep reading the certificate chain. | |
| for (;;) { | |
| bssl::UniquePtr<X509> cert( | |
| PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr)); | |
| if (!cert) { | |
| break; | |
| } | |
| if (!bssl::PushToStack(out_chain->get(), std::move(cert))) { | |
| return false; | |
| } | |
| } | |
| if (!ERR_equals(ERR_peek_last_error(), ERR_LIB_PEM, PEM_R_NO_START_LINE)) { | |
| return false; | |
| } | |
| ERR_clear_error(); | |
| return true; | |
| } | |
| bssl::UniquePtr<EVP_PKEY> LoadPrivateKey(const std::string &file) { | |
| bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_file())); | |
| if (!bio || !BIO_read_filename(bio.get(), file.c_str())) { | |
| return nullptr; | |
| } | |
| return bssl::UniquePtr<EVP_PKEY>( | |
| PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr, nullptr)); | |
| } | |
| static bssl::UniquePtr<CRYPTO_BUFFER> X509ToBuffer(X509 *x509) { | |
| uint8_t *der = nullptr; | |
| int der_len = i2d_X509(x509, &der); | |
| if (der_len < 0) { | |
| return nullptr; | |
| } | |
| bssl::UniquePtr<uint8_t> free_der(der); | |
| return bssl::UniquePtr<CRYPTO_BUFFER>( | |
| CRYPTO_BUFFER_new(der, der_len, nullptr)); | |
| } | |
| static ssl_private_key_result_t AsyncPrivateKeyComplete(SSL *ssl, uint8_t *out, | |
| size_t *out_len, | |
| size_t max_out); | |
| static EVP_PKEY *GetPrivateKey(SSL *ssl) { | |
| const CredentialInfo *cred_info = | |
| GetCredentialInfo(SSL_get0_selected_credential(ssl)); | |
| if (cred_info != nullptr) { | |
| return cred_info->private_key.get(); | |
| } | |
| return GetTestState(ssl)->private_key.get(); | |
| } | |
| static ssl_private_key_result_t AsyncPrivateKeySign( | |
| SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out, | |
| uint16_t signature_algorithm, const uint8_t *in, size_t in_len) { | |
| TestState *test_state = GetTestState(ssl); | |
| test_state->used_private_key = true; | |
| if (!test_state->private_key_result.empty()) { | |
| fprintf(stderr, "AsyncPrivateKeySign called with operation pending.\n"); | |
| abort(); | |
| } | |
| EVP_PKEY *private_key = GetPrivateKey(ssl); | |
| if (EVP_PKEY_id(private_key) != | |
| SSL_get_signature_algorithm_key_type(signature_algorithm)) { | |
| fprintf(stderr, "Key type does not match signature algorithm.\n"); | |
| abort(); | |
| } | |
| // Determine the hash. | |
| const EVP_MD *md = SSL_get_signature_algorithm_digest(signature_algorithm); | |
| bssl::ScopedEVP_MD_CTX ctx; | |
| EVP_PKEY_CTX *pctx; | |
| if (!EVP_DigestSignInit(ctx.get(), &pctx, md, nullptr, private_key)) { | |
| return ssl_private_key_failure; | |
| } | |
| // Configure additional signature parameters. | |
| if (SSL_is_signature_algorithm_rsa_pss(signature_algorithm)) { | |
| if (!EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) || | |
| !EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, RSA_PSS_SALTLEN_DIGEST)) { | |
| return ssl_private_key_failure; | |
| } | |
| } | |
| // Write the signature into `test_state`. | |
| size_t len = 0; | |
| if (!EVP_DigestSign(ctx.get(), nullptr, &len, in, in_len)) { | |
| return ssl_private_key_failure; | |
| } | |
| test_state->private_key_result.resize(len); | |
| if (!EVP_DigestSign(ctx.get(), test_state->private_key_result.data(), &len, | |
| in, in_len)) { | |
| return ssl_private_key_failure; | |
| } | |
| test_state->private_key_result.resize(len); | |
| return AsyncPrivateKeyComplete(ssl, out, out_len, max_out); | |
| } | |
| static ssl_private_key_result_t AsyncPrivateKeyDecrypt(SSL *ssl, uint8_t *out, | |
| size_t *out_len, | |
| size_t max_out, | |
| const uint8_t *in, | |
| size_t in_len) { | |
| TestState *test_state = GetTestState(ssl); | |
| test_state->used_private_key = true; | |
| if (!test_state->private_key_result.empty()) { | |
| fprintf(stderr, "AsyncPrivateKeyDecrypt called with operation pending.\n"); | |
| abort(); | |
| } | |
| EVP_PKEY *private_key = GetPrivateKey(ssl); | |
| RSA *rsa = EVP_PKEY_get0_RSA(private_key); | |
| if (rsa == nullptr) { | |
| fprintf(stderr, "AsyncPrivateKeyDecrypt called with incorrect key type.\n"); | |
| abort(); | |
| } | |
| test_state->private_key_result.resize(RSA_size(rsa)); | |
| if (!RSA_decrypt(rsa, out_len, test_state->private_key_result.data(), | |
| RSA_size(rsa), in, in_len, RSA_NO_PADDING)) { | |
| return ssl_private_key_failure; | |
| } | |
| test_state->private_key_result.resize(*out_len); | |
| return AsyncPrivateKeyComplete(ssl, out, out_len, max_out); | |
| } | |
| static ssl_private_key_result_t AsyncPrivateKeyComplete(SSL *ssl, uint8_t *out, | |
| size_t *out_len, | |
| size_t max_out) { | |
| TestState *test_state = GetTestState(ssl); | |
| if (test_state->private_key_result.empty()) { | |
| fprintf(stderr, | |
| "AsyncPrivateKeyComplete called without operation pending.\n"); | |
| abort(); | |
| } | |
| if (GetTestConfig(ssl)->async && test_state->private_key_retries < 2) { | |
| // Only return the decryption on the second attempt, to test both incomplete | |
| // `sign`/`decrypt` and `complete`. | |
| return ssl_private_key_retry; | |
| } | |
| if (max_out < test_state->private_key_result.size()) { | |
| fprintf(stderr, "Output buffer too small.\n"); | |
| return ssl_private_key_failure; | |
| } | |
| OPENSSL_memcpy(out, test_state->private_key_result.data(), | |
| test_state->private_key_result.size()); | |
| *out_len = test_state->private_key_result.size(); | |
| test_state->private_key_result.clear(); | |
| test_state->private_key_retries = 0; | |
| return ssl_private_key_success; | |
| } | |
| static const SSL_PRIVATE_KEY_METHOD g_async_private_key_method = { | |
| AsyncPrivateKeySign, | |
| AsyncPrivateKeyDecrypt, | |
| AsyncPrivateKeyComplete, | |
| }; | |
| static size_t AsyncTicketMaxOverhead(SSL *ssl) { | |
| const EVP_AEAD *aead = EVP_aead_aes_128_gcm_siv(); | |
| return EVP_AEAD_max_overhead(aead) + EVP_AEAD_nonce_length(aead); | |
| } | |
| static int AsyncTicketSeal(SSL *ssl, uint8_t *out, size_t *out_len, | |
| size_t max_out_len, const uint8_t *in, | |
| size_t in_len) { | |
| if (GetTestConfig(ssl)->skip_ticket) { | |
| *out_len = 0; | |
| return 1; | |
| } | |
| auto out_span = bssl::Span(out, max_out_len); | |
| // Encrypt the ticket with the all zero key and a random nonce. | |
| static const uint8_t kKey[16] = {0}; | |
| const EVP_AEAD *aead = EVP_aead_aes_128_gcm_siv(); | |
| size_t nonce_len = EVP_AEAD_nonce_length(aead); | |
| if (out_span.size() < nonce_len) { | |
| return 0; | |
| } | |
| auto nonce = out_span.first(nonce_len); | |
| out_span = out_span.subspan(nonce_len); | |
| RAND_bytes(nonce.data(), nonce.size()); | |
| bssl::ScopedEVP_AEAD_CTX ctx; | |
| size_t len; | |
| if (!EVP_AEAD_CTX_init(ctx.get(), EVP_aead_aes_128_gcm_siv(), kKey, | |
| sizeof(kKey), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr) || | |
| !EVP_AEAD_CTX_seal(ctx.get(), out_span.data(), &len, out_span.size(), | |
| nonce.data(), nonce.size(), in, in_len, | |
| /*ad=*/nullptr, /*ad_len=*/0)) { | |
| return 0; | |
| } | |
| *out_len = nonce.size() + len; | |
| return 1; | |
| } | |
| static ssl_ticket_aead_result_t AsyncTicketOpen(SSL *ssl, uint8_t *out, | |
| size_t *out_len, | |
| size_t max_out_len, | |
| const uint8_t *in, | |
| size_t in_len) { | |
| auto in_span = bssl::Span(in, in_len); | |
| const TestConfig *test_config = GetTestConfig(ssl); | |
| TestState *test_state = GetTestState(ssl); | |
| if (test_state->ticket_decrypt_done) { | |
| fprintf(stderr, "AsyncTicketOpen called after completion.\n"); | |
| return ssl_ticket_aead_error; | |
| } | |
| if (test_config->renew_ticket) { | |
| fprintf(stderr, "-renew-ticket not supported with async tickets.\n"); | |
| return ssl_ticket_aead_error; | |
| } | |
| if (test_config->async && !test_state->async_ticket_decrypt_ready) { | |
| return ssl_ticket_aead_retry; | |
| } | |
| const EVP_AEAD *aead = EVP_aead_aes_128_gcm_siv(); | |
| size_t nonce_len = EVP_AEAD_nonce_length(aead); | |
| if (in_span.size() < nonce_len) { | |
| return ssl_ticket_aead_error; | |
| } | |
| auto nonce = in_span.first(nonce_len); | |
| in_span = in_span.subspan(nonce_len); | |
| static const uint8_t kKey[16] = {0}; | |
| bssl::ScopedEVP_AEAD_CTX ctx; | |
| if (!EVP_AEAD_CTX_init(ctx.get(), EVP_aead_aes_128_gcm_siv(), kKey, | |
| sizeof(kKey), EVP_AEAD_DEFAULT_TAG_LENGTH, nullptr)) { | |
| return ssl_ticket_aead_error; | |
| } | |
| if (!EVP_AEAD_CTX_open(ctx.get(), out, out_len, max_out_len, nonce.data(), | |
| nonce.size(), in_span.data(), in_span.size(), | |
| /*ad=*/nullptr, /*ad_len=*/0)) { | |
| ERR_clear_error(); | |
| return ssl_ticket_aead_ignore_ticket; | |
| } | |
| test_state->ticket_decrypt_done = true; | |
| return ssl_ticket_aead_success; | |
| } | |
| static const SSL_TICKET_AEAD_METHOD g_async_ticket_aead_method = { | |
| AsyncTicketMaxOverhead, | |
| AsyncTicketSeal, | |
| AsyncTicketOpen, | |
| }; | |
| static bssl::UniquePtr<SSL_CREDENTIAL> CredentialFromConfig( | |
| const TestConfig &config, const CredentialConfig &cred_config, int number) { | |
| bssl::UniquePtr<EVP_PKEY> pkey; | |
| if (!cred_config.key_file.empty()) { | |
| pkey = LoadPrivateKey(cred_config.key_file.c_str()); | |
| if (pkey == nullptr) { | |
| return nullptr; | |
| } | |
| } | |
| auto info = std::make_unique<CredentialInfo>(); | |
| info->number = number; | |
| bssl::UniquePtr<SSL_CREDENTIAL> cred; | |
| switch (cred_config.type) { | |
| case CredentialConfigType::kX509: | |
| cred.reset(SSL_CREDENTIAL_new_x509()); | |
| break; | |
| case CredentialConfigType::kDelegated: | |
| cred.reset(SSL_CREDENTIAL_new_delegated()); | |
| break; | |
| case CredentialConfigType::kSPAKE2PlusV1: { | |
| uint8_t pw_verifier_w0[32]; | |
| uint8_t pw_verifier_w1[32]; | |
| uint8_t registration_record[65]; | |
| if (!SSL_spake2plusv1_register(pw_verifier_w0, pw_verifier_w1, | |
| registration_record, | |
| cred_config.pake_password.data(), | |
| cred_config.pake_password.size(), | |
| cred_config.pake_client_id.data(), | |
| cred_config.pake_client_id.size(), | |
| cred_config.pake_server_id.data(), | |
| cred_config.pake_server_id.size())) { | |
| return nullptr; | |
| } | |
| bool is_server = | |
| cred_config.wrong_pake_role ? !config.is_server : config.is_server; | |
| if (is_server) { | |
| cred.reset(SSL_CREDENTIAL_new_spake2plusv1_server( | |
| cred_config.pake_context.data(), cred_config.pake_context.size(), | |
| cred_config.pake_client_id.data(), | |
| cred_config.pake_client_id.size(), | |
| cred_config.pake_server_id.data(), | |
| cred_config.pake_server_id.size(), | |
| /*attempts=*/1, pw_verifier_w0, sizeof(pw_verifier_w0), | |
| registration_record, sizeof(registration_record))); | |
| } else { | |
| cred.reset(SSL_CREDENTIAL_new_spake2plusv1_client( | |
| cred_config.pake_context.data(), cred_config.pake_context.size(), | |
| cred_config.pake_client_id.data(), | |
| cred_config.pake_client_id.size(), | |
| cred_config.pake_server_id.data(), | |
| cred_config.pake_server_id.size(), | |
| /*attempts=*/1, pw_verifier_w0, sizeof(pw_verifier_w0), | |
| pw_verifier_w1, sizeof(pw_verifier_w1))); | |
| } | |
| break; | |
| } | |
| case CredentialConfigType::kPreSharedKey: | |
| cred.reset(SSL_CREDENTIAL_new_pre_shared_key( | |
| cred_config.psk.data(), cred_config.psk.size(), | |
| cred_config.psk_identity.data(), cred_config.psk_identity.size(), | |
| cred_config.psk_hash, cred_config.psk_context.data(), | |
| cred_config.psk_context.size())); | |
| break; | |
| case CredentialConfigType::kRawPublicKey: { | |
| assert(pkey != nullptr); | |
| if (config.async || config.handshake_hints) { | |
| info->private_key = UpRef(pkey); | |
| cred.reset(SSL_CREDENTIAL_new_raw_public_key_custom( | |
| pkey.get(), &g_async_private_key_method)); | |
| } else { | |
| cred.reset(SSL_CREDENTIAL_new_raw_public_key(pkey.get())); | |
| } | |
| break; | |
| } | |
| } | |
| if (cred == nullptr) { | |
| return nullptr; | |
| } | |
| if (!cred_config.cert_file.empty()) { | |
| bssl::UniquePtr<X509> x509; | |
| bssl::UniquePtr<STACK_OF(X509)> chain; | |
| if (!LoadCertificate(&x509, &chain, cred_config.cert_file.c_str())) { | |
| return nullptr; | |
| } | |
| std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> buffers; | |
| buffers.push_back(X509ToBuffer(x509.get())); | |
| if (buffers.back() == nullptr) { | |
| return nullptr; | |
| } | |
| for (X509 *cert : chain.get()) { | |
| buffers.push_back(X509ToBuffer(cert)); | |
| if (buffers.back() == nullptr) { | |
| return nullptr; | |
| } | |
| } | |
| std::vector<CRYPTO_BUFFER *> buffers_raw; | |
| for (const auto &buffer : buffers) { | |
| buffers_raw.push_back(buffer.get()); | |
| } | |
| if (!SSL_CREDENTIAL_set1_cert_chain(cred.get(), buffers_raw.data(), | |
| buffers_raw.size())) { | |
| return nullptr; | |
| } | |
| } | |
| if (pkey != nullptr && | |
| cred_config.type != CredentialConfigType::kRawPublicKey) { | |
| if (config.async || config.handshake_hints) { | |
| info->private_key = UpRef(pkey); | |
| if (!SSL_CREDENTIAL_set_private_key_method(cred.get(), | |
| &g_async_private_key_method)) { | |
| return nullptr; | |
| } | |
| } else { | |
| if (!SSL_CREDENTIAL_set1_private_key(cred.get(), pkey.get())) { | |
| return nullptr; | |
| } | |
| } | |
| } | |
| if (!cred_config.signing_prefs.empty() && | |
| !SSL_CREDENTIAL_set1_signing_algorithm_prefs( | |
| cred.get(), cred_config.signing_prefs.data(), | |
| cred_config.signing_prefs.size())) { | |
| return nullptr; | |
| } | |
| if (!cred_config.delegated_credential.empty()) { | |
| bssl::UniquePtr<CRYPTO_BUFFER> buf( | |
| CRYPTO_BUFFER_new(cred_config.delegated_credential.data(), | |
| cred_config.delegated_credential.size(), nullptr)); | |
| if (buf == nullptr || | |
| !SSL_CREDENTIAL_set1_delegated_credential(cred.get(), buf.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!cred_config.ocsp_response.empty()) { | |
| bssl::UniquePtr<CRYPTO_BUFFER> buf( | |
| CRYPTO_BUFFER_new(cred_config.ocsp_response.data(), | |
| cred_config.ocsp_response.size(), nullptr)); | |
| if (buf == nullptr || | |
| !SSL_CREDENTIAL_set1_ocsp_response(cred.get(), buf.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!cred_config.signed_cert_timestamps.empty()) { | |
| bssl::UniquePtr<CRYPTO_BUFFER> buf( | |
| CRYPTO_BUFFER_new(cred_config.signed_cert_timestamps.data(), | |
| cred_config.signed_cert_timestamps.size(), nullptr)); | |
| if (buf == nullptr || !SSL_CREDENTIAL_set1_signed_cert_timestamp_list( | |
| cred.get(), buf.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (cred_config.must_match_issuer) { | |
| SSL_CREDENTIAL_set_must_match_issuer(cred.get(), 1); | |
| } | |
| if (!cred_config.cert_properties.empty()) { | |
| bssl::UniquePtr<CRYPTO_BUFFER> buf( | |
| CRYPTO_BUFFER_new(cred_config.cert_properties.data(), | |
| cred_config.cert_properties.size(), nullptr)); | |
| if (buf == nullptr || | |
| !SSL_CREDENTIAL_set1_certificate_properties(cred.get(), buf.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!SetCredentialInfo(cred.get(), std::move(info))) { | |
| return nullptr; | |
| } | |
| return cred; | |
| } | |
| static bool GetCertificate(SSL *ssl, bssl::UniquePtr<X509> *out_x509, | |
| bssl::UniquePtr<STACK_OF(X509)> *out_chain, | |
| bssl::UniquePtr<EVP_PKEY> *out_pkey) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!config->signing_prefs.empty()) { | |
| if (!SSL_set_signing_algorithm_prefs(ssl, config->signing_prefs.data(), | |
| config->signing_prefs.size())) { | |
| return false; | |
| } | |
| } | |
| if (!config->key_file.empty()) { | |
| *out_pkey = LoadPrivateKey(config->key_file.c_str()); | |
| if (!*out_pkey) { | |
| return false; | |
| } | |
| } | |
| if (!config->cert_file.empty() && | |
| !LoadCertificate(out_x509, out_chain, config->cert_file.c_str())) { | |
| return false; | |
| } | |
| if (!config->ocsp_response.empty() && !config->set_ocsp_in_callback && | |
| !SSL_set_ocsp_response(ssl, (const uint8_t *)config->ocsp_response.data(), | |
| config->ocsp_response.size())) { | |
| return false; | |
| } | |
| for (size_t i = 0; i < config->credentials.size(); i++) { | |
| bssl::UniquePtr<SSL_CREDENTIAL> cred = CredentialFromConfig( | |
| *config, config->credentials[i], static_cast<int>(i)); | |
| if (cred == nullptr || !SSL_add1_credential(ssl, cred.get())) { | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| static bool HexDecode(std::string *out, const std::string &in) { | |
| if ((in.size() & 1) != 0) { | |
| return false; | |
| } | |
| auto buf = std::make_unique<uint8_t[]>(in.size() / 2); | |
| for (size_t i = 0; i < in.size() / 2; i++) { | |
| uint8_t high, low; | |
| if (!OPENSSL_fromxdigit(&high, in[i * 2]) || | |
| !OPENSSL_fromxdigit(&low, in[i * 2 + 1])) { | |
| return false; | |
| } | |
| buf[i] = (high << 4) | low; | |
| } | |
| out->assign(reinterpret_cast<const char *>(buf.get()), in.size() / 2); | |
| return true; | |
| } | |
| static std::vector<std::string> SplitParts(const std::string &in, | |
| const char delim) { | |
| std::vector<std::string> ret; | |
| size_t start = 0; | |
| for (size_t i = 0; i < in.size(); i++) { | |
| if (in[i] == delim) { | |
| ret.push_back(in.substr(start, i - start)); | |
| start = i + 1; | |
| } | |
| } | |
| ret.push_back(in.substr(start, std::string::npos)); | |
| return ret; | |
| } | |
| static std::vector<std::string> DecodeHexStrings( | |
| const std::string &hex_strings) { | |
| std::vector<std::string> ret; | |
| const std::vector<std::string> parts = SplitParts(hex_strings, ','); | |
| for (const auto &part : parts) { | |
| std::string binary; | |
| if (!HexDecode(&binary, part)) { | |
| fprintf(stderr, "Bad hex string: %s.\n", part.c_str()); | |
| return ret; | |
| } | |
| ret.push_back(binary); | |
| } | |
| return ret; | |
| } | |
| static bssl::UniquePtr<STACK_OF(X509_NAME)> DecodeHexX509Names( | |
| const std::string &hex_names) { | |
| const std::vector<std::string> der_names = DecodeHexStrings(hex_names); | |
| bssl::UniquePtr<STACK_OF(X509_NAME)> ret(sk_X509_NAME_new_null()); | |
| if (!ret) { | |
| return nullptr; | |
| } | |
| for (const auto &der_name : der_names) { | |
| const uint8_t *const data = | |
| reinterpret_cast<const uint8_t *>(der_name.data()); | |
| const uint8_t *derp = data; | |
| bssl::UniquePtr<X509_NAME> name( | |
| d2i_X509_NAME(nullptr, &derp, der_name.size())); | |
| if (!name || derp != data + der_name.size()) { | |
| fprintf(stderr, "Failed to parse X509_NAME.\n"); | |
| return nullptr; | |
| } | |
| if (!bssl::PushToStack(ret.get(), std::move(name))) { | |
| return nullptr; | |
| } | |
| } | |
| return ret; | |
| } | |
| static bool CheckPeerVerifyPrefs(SSL *ssl) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!config->expect_peer_verify_prefs.empty()) { | |
| const uint16_t *peer_sigalgs; | |
| size_t num_peer_sigalgs = | |
| SSL_get0_peer_verify_algorithms(ssl, &peer_sigalgs); | |
| if (config->expect_peer_verify_prefs.size() != num_peer_sigalgs) { | |
| fprintf(stderr, | |
| "peer verify preferences length mismatch (got %zu, wanted %zu)\n", | |
| num_peer_sigalgs, config->expect_peer_verify_prefs.size()); | |
| return false; | |
| } | |
| for (size_t i = 0; i < num_peer_sigalgs; i++) { | |
| if (peer_sigalgs[i] != config->expect_peer_verify_prefs[i]) { | |
| fprintf(stderr, | |
| "peer verify preference %zu mismatch (got %04x, wanted %04x\n", | |
| i, peer_sigalgs[i], config->expect_peer_verify_prefs[i]); | |
| return false; | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| static bool CheckCertificateRequest(SSL *ssl) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!CheckPeerVerifyPrefs(ssl)) { | |
| return false; | |
| } | |
| if (!config->expect_certificate_types.empty()) { | |
| const uint8_t *certificate_types; | |
| size_t certificate_types_len = | |
| SSL_get0_certificate_types(ssl, &certificate_types); | |
| if (bssl::Span(config->expect_certificate_types) != | |
| bssl::Span(certificate_types, certificate_types_len)) { | |
| fprintf(stderr, "certificate types mismatch.\n"); | |
| return false; | |
| } | |
| } | |
| if (!config->expect_client_ca_list.empty()) { | |
| bssl::UniquePtr<STACK_OF(X509_NAME)> expected = | |
| DecodeHexX509Names(config->expect_client_ca_list); | |
| const size_t num_expected = sk_X509_NAME_num(expected.get()); | |
| const STACK_OF(X509_NAME) *received = SSL_get_client_CA_list(ssl); | |
| const size_t num_received = sk_X509_NAME_num(received); | |
| if (num_received != num_expected) { | |
| fprintf(stderr, "expected %zu names in CertificateRequest but got %zu.\n", | |
| num_expected, num_received); | |
| return false; | |
| } | |
| for (size_t i = 0; i < num_received; i++) { | |
| if (X509_NAME_cmp(sk_X509_NAME_value(received, i), | |
| sk_X509_NAME_value(expected.get(), i)) != 0) { | |
| fprintf(stderr, "names in CertificateRequest differ at index #%zu.\n", | |
| i); | |
| return false; | |
| } | |
| } | |
| const STACK_OF(CRYPTO_BUFFER) *buffers = SSL_get0_server_requested_CAs(ssl); | |
| if (sk_CRYPTO_BUFFER_num(buffers) != num_received) { | |
| fprintf(stderr, | |
| "Mismatch between SSL_get_server_requested_CAs and " | |
| "SSL_get_client_CA_list.\n"); | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| static int ClientCertCallback(SSL *ssl, X509 **out_x509, EVP_PKEY **out_pkey) { | |
| if (!CheckCertificateRequest(ssl)) { | |
| return -1; | |
| } | |
| if (GetTestConfig(ssl)->async && !GetTestState(ssl)->cert_ready) { | |
| return -1; | |
| } | |
| bssl::UniquePtr<X509> x509; | |
| bssl::UniquePtr<STACK_OF(X509)> chain; | |
| bssl::UniquePtr<EVP_PKEY> pkey; | |
| if (!GetCertificate(ssl, &x509, &chain, &pkey)) { | |
| return -1; | |
| } | |
| // Return zero for no certificate. | |
| if (!x509) { | |
| return 0; | |
| } | |
| // Chains and asynchronous private keys are not supported with client_cert_cb. | |
| *out_x509 = x509.release(); | |
| *out_pkey = pkey.release(); | |
| return 1; | |
| } | |
| static bool InstallCertificate(SSL *ssl) { | |
| bssl::UniquePtr<X509> x509; | |
| bssl::UniquePtr<STACK_OF(X509)> chain; | |
| bssl::UniquePtr<EVP_PKEY> pkey; | |
| if (!GetCertificate(ssl, &x509, &chain, &pkey)) { | |
| return false; | |
| } | |
| if (pkey) { | |
| TestState *test_state = GetTestState(ssl); | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (config->async || config->handshake_hints) { | |
| // Install a custom private key if testing asynchronous callbacks, or if | |
| // testing handshake hints. In the handshake hints case, we wish to check | |
| // that hints only mismatch when allowed. | |
| test_state->private_key = std::move(pkey); | |
| SSL_set_private_key_method(ssl, &g_async_private_key_method); | |
| } else if (!SSL_use_PrivateKey(ssl, pkey.get())) { | |
| return false; | |
| } | |
| } | |
| if (x509 && !SSL_use_certificate(ssl, x509.get())) { | |
| return false; | |
| } | |
| if (sk_X509_num(chain.get()) > 0 && !SSL_set1_chain(ssl, chain.get())) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| static enum ssl_select_cert_result_t SelectCertificateCallback( | |
| const SSL_CLIENT_HELLO *client_hello) { | |
| SSL *ssl = client_hello->ssl; | |
| const TestConfig *config = GetTestConfig(ssl); | |
| TestState *test_state = GetTestState(ssl); | |
| test_state->early_callback_called = true; | |
| // Invoke the rewind before we sanity check SNI because we will | |
| // end up calling the select_cert_cb twice with two different SNIs. | |
| if (SSL_ech_accepted(ssl) && config->fail_early_callback_ech_rewind) { | |
| return ssl_select_cert_disable_ech; | |
| } | |
| const char *server_name = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name); | |
| if (config->expect_no_server_name && server_name != nullptr) { | |
| fprintf(stderr, "Expected no server name but got %s.\n", server_name); | |
| return ssl_select_cert_error; | |
| } | |
| if (!config->expect_server_name.empty()) { | |
| if (server_name == nullptr || | |
| std::string(server_name) != config->expect_server_name) { | |
| fprintf(stderr, | |
| "Server name mismatch in early callback (got %s; want %s).\n", | |
| server_name, config->expect_server_name.c_str()); | |
| return ssl_select_cert_error; | |
| } | |
| } | |
| if (config->fail_early_callback) { | |
| return ssl_select_cert_error; | |
| } | |
| // Simulate some asynchronous work in the early callback. | |
| if ((config->use_early_callback || test_state->get_handshake_hints_cb) && | |
| config->async && !test_state->early_callback_ready) { | |
| return ssl_select_cert_retry; | |
| } | |
| if (test_state->get_handshake_hints_cb && | |
| !test_state->get_handshake_hints_cb(client_hello)) { | |
| return ssl_select_cert_error; | |
| } | |
| if (config->use_early_callback && !InstallCertificate(ssl)) { | |
| return ssl_select_cert_error; | |
| } | |
| return ssl_select_cert_success; | |
| } | |
| static int SetQuicReadSecret(SSL *ssl, enum ssl_encryption_level_t level, | |
| const SSL_CIPHER *cipher, const uint8_t *secret, | |
| size_t secret_len) { | |
| MockQuicTransport *quic_transport = GetTestState(ssl)->quic_transport.get(); | |
| if (quic_transport == nullptr) { | |
| fprintf(stderr, "No QUIC transport.\n"); | |
| return 0; | |
| } | |
| return quic_transport->SetReadSecret(level, cipher, secret, secret_len); | |
| } | |
| static int SetQuicWriteSecret(SSL *ssl, enum ssl_encryption_level_t level, | |
| const SSL_CIPHER *cipher, const uint8_t *secret, | |
| size_t secret_len) { | |
| MockQuicTransport *quic_transport = GetTestState(ssl)->quic_transport.get(); | |
| if (quic_transport == nullptr) { | |
| fprintf(stderr, "No QUIC transport.\n"); | |
| return 0; | |
| } | |
| return quic_transport->SetWriteSecret(level, cipher, secret, secret_len); | |
| } | |
| static int AddQuicHandshakeData(SSL *ssl, enum ssl_encryption_level_t level, | |
| const uint8_t *data, size_t len) { | |
| MockQuicTransport *quic_transport = GetTestState(ssl)->quic_transport.get(); | |
| if (quic_transport == nullptr) { | |
| fprintf(stderr, "No QUIC transport.\n"); | |
| return 0; | |
| } | |
| return quic_transport->WriteHandshakeData(level, data, len); | |
| } | |
| static int FlushQuicFlight(SSL *ssl) { | |
| MockQuicTransport *quic_transport = GetTestState(ssl)->quic_transport.get(); | |
| if (quic_transport == nullptr) { | |
| fprintf(stderr, "No QUIC transport.\n"); | |
| return 0; | |
| } | |
| return quic_transport->Flush(); | |
| } | |
| static int SendQuicAlert(SSL *ssl, enum ssl_encryption_level_t level, | |
| uint8_t alert) { | |
| MockQuicTransport *quic_transport = GetTestState(ssl)->quic_transport.get(); | |
| if (quic_transport == nullptr) { | |
| fprintf(stderr, "No QUIC transport.\n"); | |
| return 0; | |
| } | |
| return quic_transport->SendAlert(level, alert); | |
| } | |
| static const SSL_QUIC_METHOD g_quic_method = { | |
| SetQuicReadSecret, SetQuicWriteSecret, AddQuicHandshakeData, | |
| FlushQuicFlight, SendQuicAlert, | |
| }; | |
| static bool MaybeInstallCertCompressionAlg( | |
| const TestConfig *config, SSL_CTX *ssl_ctx, uint16_t alg, | |
| ssl_cert_compression_func_t compress, | |
| ssl_cert_decompression_func_t decompress) { | |
| if (!config->install_cert_compression_algs && | |
| config->install_one_cert_compression_alg != alg) { | |
| return true; | |
| } | |
| return SSL_CTX_add_cert_compression_alg(ssl_ctx, alg, compress, decompress); | |
| } | |
| bssl::UniquePtr<SSL_CTX> TestConfig::SetupCtx(SSL_CTX *old_ctx) const { | |
| bssl::UniquePtr<SSL_CTX> ssl_ctx( | |
| SSL_CTX_new(is_dtls ? DTLS_method() : TLS_method())); | |
| if (!ssl_ctx) { | |
| return nullptr; | |
| } | |
| SSL_CTX_set1_buffer_pool(ssl_ctx.get(), BufferPool()); | |
| std::string cipher_list = "ALL"; | |
| // Explicitly add deprecated ciphers that are otherwise not included. | |
| cipher_list += ":TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"; | |
| cipher_list += ":TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"; | |
| if (!cipher.empty()) { | |
| cipher_list = cipher; | |
| SSL_CTX_set_options(ssl_ctx.get(), SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| } | |
| if (!SSL_CTX_set_strict_cipher_list(ssl_ctx.get(), cipher_list.c_str())) { | |
| return nullptr; | |
| } | |
| if (async && is_server) { | |
| // Disable the internal session cache. To test asynchronous session lookup, | |
| // we use an external session cache. | |
| SSL_CTX_set_session_cache_mode( | |
| ssl_ctx.get(), SSL_SESS_CACHE_BOTH | SSL_SESS_CACHE_NO_INTERNAL); | |
| SSL_CTX_sess_set_get_cb(ssl_ctx.get(), GetSessionCallback); | |
| } else { | |
| SSL_CTX_set_session_cache_mode(ssl_ctx.get(), SSL_SESS_CACHE_BOTH); | |
| } | |
| SSL_CTX_set_select_certificate_cb(ssl_ctx.get(), SelectCertificateCallback); | |
| if (use_old_client_cert_callback) { | |
| SSL_CTX_set_client_cert_cb(ssl_ctx.get(), ClientCertCallback); | |
| } | |
| SSL_CTX_set_next_protos_advertised_cb(ssl_ctx.get(), | |
| NextProtosAdvertisedCallback, nullptr); | |
| if (!select_next_proto.empty() || select_empty_next_proto) { | |
| SSL_CTX_set_next_proto_select_cb(ssl_ctx.get(), NextProtoSelectCallback, | |
| nullptr); | |
| } | |
| if (!select_alpn.empty() || decline_alpn || reject_alpn || | |
| select_empty_alpn) { | |
| SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), AlpnSelectCallback, nullptr); | |
| } | |
| SSL_CTX_set_current_time_cb(ssl_ctx.get(), CurrentTimeCallback); | |
| SSL_CTX_set_info_callback(ssl_ctx.get(), InfoCallback); | |
| SSL_CTX_sess_set_new_cb(ssl_ctx.get(), NewSessionCallback); | |
| if (use_ticket_aead_callback) { | |
| SSL_CTX_set_ticket_aead_method(ssl_ctx.get(), &g_async_ticket_aead_method); | |
| } else if (use_ticket_callback || handshake_hints) { | |
| // If using handshake hints, always enable some ticket callback, so we can | |
| // check that hints only mismatch when allowed. The ticket callback also | |
| // uses a constant key, which simplifies the test. | |
| SSL_CTX_set_tlsext_ticket_key_cb(ssl_ctx.get(), TicketKeyCallback); | |
| } | |
| if (!use_custom_verify_callback) { | |
| SSL_CTX_set_cert_verify_callback(ssl_ctx.get(), CertVerifyCallback, | |
| nullptr); | |
| } | |
| if (!signed_cert_timestamps.empty() && | |
| !SSL_CTX_set_signed_cert_timestamp_list( | |
| ssl_ctx.get(), (const uint8_t *)signed_cert_timestamps.data(), | |
| signed_cert_timestamps.size())) { | |
| return nullptr; | |
| } | |
| if (!use_client_ca_list.empty()) { | |
| if (use_client_ca_list == "<NULL>") { | |
| SSL_CTX_set_client_CA_list(ssl_ctx.get(), nullptr); | |
| } else if (use_client_ca_list == "<EMPTY>") { | |
| bssl::UniquePtr<STACK_OF(X509_NAME)> names; | |
| SSL_CTX_set_client_CA_list(ssl_ctx.get(), names.release()); | |
| } else { | |
| bssl::UniquePtr<STACK_OF(X509_NAME)> names = | |
| DecodeHexX509Names(use_client_ca_list); | |
| SSL_CTX_set_client_CA_list(ssl_ctx.get(), names.release()); | |
| } | |
| } | |
| if (enable_grease) { | |
| SSL_CTX_set_grease_enabled(ssl_ctx.get(), 1); | |
| SSL_CTX_set_grease_sigalgs_enabled(ssl_ctx.get(), 1); | |
| } | |
| if (permute_extensions) { | |
| SSL_CTX_set_permute_extensions(ssl_ctx.get(), 1); | |
| } | |
| SSL_CTX_set_tlsext_servername_callback(ssl_ctx.get(), ServerNameCallback); | |
| if (enable_early_data) { | |
| SSL_CTX_set_early_data_enabled(ssl_ctx.get(), 1); | |
| } | |
| if (allow_unknown_alpn_protos) { | |
| SSL_CTX_set_allow_unknown_alpn_protos(ssl_ctx.get(), 1); | |
| } | |
| if (!verify_prefs.empty()) { | |
| if (!SSL_CTX_set_verify_algorithm_prefs(ssl_ctx.get(), verify_prefs.data(), | |
| verify_prefs.size())) { | |
| return nullptr; | |
| } | |
| } | |
| SSL_CTX_set_msg_callback(ssl_ctx.get(), MessageCallback); | |
| if (allow_false_start_without_alpn) { | |
| SSL_CTX_set_false_start_allowed_without_alpn(ssl_ctx.get(), 1); | |
| } | |
| if (use_ocsp_callback) { | |
| SSL_CTX_set_tlsext_status_cb(ssl_ctx.get(), LegacyOCSPCallback); | |
| } | |
| if (resumption_across_names_enabled) { | |
| SSL_CTX_set_resumption_across_names_enabled(ssl_ctx.get(), 1); | |
| } | |
| if (old_ctx) { | |
| uint8_t keys[48]; | |
| if (!SSL_CTX_get_tlsext_ticket_keys(old_ctx, &keys, sizeof(keys)) || | |
| !SSL_CTX_set_tlsext_ticket_keys(ssl_ctx.get(), keys, sizeof(keys))) { | |
| return nullptr; | |
| } | |
| CopySessions(ssl_ctx.get(), old_ctx); | |
| } else if (!ticket_key.empty() && | |
| !SSL_CTX_set_tlsext_ticket_keys(ssl_ctx.get(), ticket_key.data(), | |
| ticket_key.size())) { | |
| return nullptr; | |
| } | |
| // These mock compression algorithms match the corresponding ones in | |
| // `addCertCompressionTests`. | |
| if (!MaybeInstallCertCompressionAlg( | |
| this, ssl_ctx.get(), 0xff02, | |
| [](SSL *ssl, CBB *out, const uint8_t *in, size_t in_len) -> int { | |
| if (!CBB_add_u8(out, 1) || !CBB_add_u8(out, 2) || | |
| !CBB_add_u8(out, 3) || !CBB_add_u8(out, 4) || | |
| !CBB_add_bytes(out, in, in_len)) { | |
| return 0; | |
| } | |
| return 1; | |
| }, | |
| [](SSL *ssl, CRYPTO_BUFFER **out, size_t uncompressed_len, | |
| const uint8_t *in, size_t in_len) -> int { | |
| if (in_len < 4 || in[0] != 1 || in[1] != 2 || in[2] != 3 || | |
| in[3] != 4 || uncompressed_len != in_len - 4) { | |
| return 0; | |
| } | |
| const bssl::Span<const uint8_t> uncompressed(in + 4, in_len - 4); | |
| *out = CRYPTO_BUFFER_new(uncompressed.data(), uncompressed.size(), | |
| nullptr); | |
| return *out != nullptr; | |
| }) || | |
| !MaybeInstallCertCompressionAlg( | |
| this, ssl_ctx.get(), 0xff01, | |
| [](SSL *ssl, CBB *out, const uint8_t *in, size_t in_len) -> int { | |
| if (in_len < 2 || in[0] != 0 || in[1] != 0) { | |
| return 0; | |
| } | |
| return CBB_add_bytes(out, in + 2, in_len - 2); | |
| }, | |
| [](SSL *ssl, CRYPTO_BUFFER **out, size_t uncompressed_len, | |
| const uint8_t *in, size_t in_len) -> int { | |
| if (uncompressed_len != 2 + in_len) { | |
| return 0; | |
| } | |
| auto buf = std::make_unique<uint8_t[]>(2 + in_len); | |
| buf[0] = 0; | |
| buf[1] = 0; | |
| OPENSSL_memcpy(&buf[2], in, in_len); | |
| *out = CRYPTO_BUFFER_new(buf.get(), 2 + in_len, nullptr); | |
| return *out != nullptr; | |
| }) || | |
| !MaybeInstallCertCompressionAlg( | |
| this, ssl_ctx.get(), 0xff03, | |
| [](SSL *ssl, CBB *out, const uint8_t *in, size_t in_len) -> int { | |
| uint8_t byte; | |
| return RAND_bytes(&byte, 1) && // | |
| CBB_add_u8(out, byte) && // | |
| CBB_add_bytes(out, in, in_len); | |
| }, | |
| [](SSL *ssl, CRYPTO_BUFFER **out, size_t uncompressed_len, | |
| const uint8_t *in, size_t in_len) -> int { | |
| if (uncompressed_len + 1 != in_len) { | |
| return 0; | |
| } | |
| *out = CRYPTO_BUFFER_new(in + 1, in_len - 1, nullptr); | |
| return *out != nullptr; | |
| })) { | |
| fprintf(stderr, "SSL_CTX_add_cert_compression_alg failed.\n"); | |
| abort(); | |
| } | |
| if (server_preference) { | |
| SSL_CTX_set_options(ssl_ctx.get(), SSL_OP_CIPHER_SERVER_PREFERENCE); | |
| } | |
| if (is_quic) { | |
| SSL_CTX_set_quic_method(ssl_ctx.get(), &g_quic_method); | |
| } | |
| return ssl_ctx; | |
| } | |
| static int DDoSCallback(const SSL_CLIENT_HELLO *client_hello) { | |
| const TestConfig *config = GetTestConfig(client_hello->ssl); | |
| return config->fail_ddos_callback ? 0 : 1; | |
| } | |
| static unsigned PskClientCallback(SSL *ssl, const char *hint, | |
| char *out_identity, unsigned max_identity_len, | |
| uint8_t *out_psk, unsigned max_psk_len) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (config->psk_identity.empty()) { | |
| if (hint != nullptr) { | |
| fprintf(stderr, "Server PSK hint was non-null.\n"); | |
| return 0; | |
| } | |
| } else if (hint == nullptr || | |
| strcmp(hint, config->psk_identity.c_str()) != 0) { | |
| fprintf(stderr, "Server PSK hint did not match.\n"); | |
| return 0; | |
| } | |
| // Account for the trailing '\0' for the identity. | |
| if (config->psk_identity.size() >= max_identity_len || | |
| config->psk.size() > max_psk_len) { | |
| fprintf(stderr, "PSK buffers too small.\n"); | |
| return 0; | |
| } | |
| OPENSSL_strlcpy(out_identity, config->psk_identity.c_str(), max_identity_len); | |
| OPENSSL_memcpy(out_psk, config->psk.data(), config->psk.size()); | |
| return static_cast<unsigned>(config->psk.size()); | |
| } | |
| static unsigned PskServerCallback(SSL *ssl, const char *identity, | |
| uint8_t *out_psk, unsigned max_psk_len) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (strcmp(identity, config->psk_identity.c_str()) != 0) { | |
| fprintf(stderr, "Client PSK identity did not match.\n"); | |
| return 0; | |
| } | |
| if (config->psk.size() > max_psk_len) { | |
| fprintf(stderr, "PSK buffers too small.\n"); | |
| return 0; | |
| } | |
| OPENSSL_memcpy(out_psk, config->psk.data(), config->psk.size()); | |
| return static_cast<unsigned>(config->psk.size()); | |
| } | |
| static ssl_verify_result_t CustomVerifyCallback(SSL *ssl, uint8_t *out_alert) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| if (!CheckVerifyCallback(ssl)) { | |
| return ssl_verify_invalid; | |
| } | |
| if (config->async && !GetTestState(ssl)->custom_verify_ready) { | |
| return ssl_verify_retry; | |
| } | |
| GetTestState(ssl)->cert_verified = true; | |
| if (config->verify_fail) { | |
| return ssl_verify_invalid; | |
| } | |
| return ssl_verify_ok; | |
| } | |
| static ssl_verify_result_t VerifyRawPublicKeyCallback(SSL *ssl, | |
| uint8_t *out_alert) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| const EVP_PKEY *peer_rpk = SSL_get0_peer_rpk(ssl); | |
| if (peer_rpk == nullptr) { | |
| fprintf(stderr, "Expected peer RPK but found none.\n"); | |
| return ssl_verify_invalid; | |
| } | |
| ScopedCBB spki_cbb; | |
| uint8_t peer_rpk_sha256[SHA256_DIGEST_LENGTH]; | |
| if (!CBB_init(spki_cbb.get(), 0) || | |
| !EVP_marshal_public_key(spki_cbb.get(), peer_rpk) || | |
| !SHA256(CBB_data(spki_cbb.get()), CBB_len(spki_cbb.get()), | |
| peer_rpk_sha256)) { | |
| fprintf(stderr, "Error computing sha256 hash of peer RPK.\n"); | |
| return ssl_verify_invalid; | |
| } | |
| if (Span(peer_rpk_sha256) != Span(config->expect_peer_rpk_sha256)) { | |
| fprintf(stderr, "sha256 hash of peer RPK does not match expectation.\n"); | |
| return ssl_verify_invalid; | |
| } | |
| return ssl_verify_ok; | |
| } | |
| static int CertCallback(SSL *ssl, void *arg) { | |
| const TestConfig *config = GetTestConfig(ssl); | |
| // Check the peer certificate metadata is as expected. | |
| if ((!SSL_is_server(ssl) && !CheckCertificateRequest(ssl)) || | |
| !CheckPeerVerifyPrefs(ssl)) { | |
| return -1; | |
| } | |
| if (config->fail_cert_callback) { | |
| return 0; | |
| } | |
| // The certificate will be installed via other means. | |
| if (!config->async || config->use_early_callback) { | |
| return 1; | |
| } | |
| if (!GetTestState(ssl)->cert_ready) { | |
| return -1; | |
| } | |
| if (!InstallCertificate(ssl)) { | |
| return 0; | |
| } | |
| return 1; | |
| } | |
| bssl::UniquePtr<SSL> TestConfig::NewSSL( | |
| SSL_CTX *ssl_ctx, SSL_SESSION *session, | |
| std::unique_ptr<TestState> test_state) const { | |
| bssl::UniquePtr<SSL> ssl(SSL_new(ssl_ctx)); | |
| if (!ssl) { | |
| return nullptr; | |
| } | |
| if (!SetTestConfig(ssl.get(), this)) { | |
| return nullptr; | |
| } | |
| if (test_state != nullptr) { | |
| if (!SetTestState(ssl.get(), std::move(test_state))) { | |
| return nullptr; | |
| } | |
| } | |
| if (fallback_scsv && !SSL_set_mode(ssl.get(), SSL_MODE_SEND_FALLBACK_SCSV)) { | |
| return nullptr; | |
| } | |
| // Install the certificate synchronously if nothing else will handle it. | |
| if (!use_early_callback && !use_old_client_cert_callback && !async && | |
| !InstallCertificate(ssl.get())) { | |
| return nullptr; | |
| } | |
| if (!use_old_client_cert_callback) { | |
| SSL_set_cert_cb(ssl.get(), CertCallback, nullptr); | |
| } | |
| int mode = SSL_VERIFY_NONE; | |
| if (require_any_client_certificate) { | |
| mode = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT; | |
| } | |
| if (verify_peer) { | |
| mode = SSL_VERIFY_PEER; | |
| } | |
| if (!expect_peer_rpk_sha256.empty()) { | |
| if (expect_peer_rpk_sha256.size() != SHA256_DIGEST_LENGTH) { | |
| fprintf(stderr, | |
| "Invalid -expect-peer-rpk-sha256 length: %d (should be %d).\n", | |
| static_cast<int>(expect_peer_rpk_sha256.size()), | |
| SHA256_DIGEST_LENGTH); | |
| return nullptr; | |
| } | |
| SSL_set_custom_verify(ssl.get(), mode, VerifyRawPublicKeyCallback); | |
| } else if (use_custom_verify_callback) { | |
| SSL_set_custom_verify(ssl.get(), mode, CustomVerifyCallback); | |
| } else if (mode != SSL_VERIFY_NONE) { | |
| SSL_set_verify(ssl.get(), mode, nullptr); | |
| } | |
| if (false_start) { | |
| SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_FALSE_START); | |
| } | |
| if (cbc_record_splitting) { | |
| SSL_set_mode(ssl.get(), SSL_MODE_CBC_RECORD_SPLITTING); | |
| } | |
| if (partial_write) { | |
| SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_PARTIAL_WRITE); | |
| } | |
| if (reverify_on_resume) { | |
| SSL_CTX_set_reverify_on_resume(ssl_ctx, 1); | |
| } | |
| if (no_tls13) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_3); | |
| } | |
| if (no_tls12) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_2); | |
| } | |
| if (no_tls11) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_1); | |
| } | |
| if (no_tls1) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1); | |
| } | |
| if (no_ticket) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_TICKET); | |
| } | |
| if (no_legacy_server_connect) { | |
| SSL_clear_options(ssl.get(), SSL_OP_LEGACY_SERVER_CONNECT); | |
| } | |
| if (!expect_channel_id.empty() || enable_channel_id) { | |
| SSL_set_tls_channel_id_enabled(ssl.get(), 1); | |
| } | |
| if (enable_ech_grease) { | |
| SSL_set_enable_ech_grease(ssl.get(), 1); | |
| } | |
| if (reject_unusable_ech_config) { | |
| SSL_set_reject_unusable_ech_config(ssl.get(), 1); | |
| } | |
| if (!ech_config_list.empty() && | |
| !SSL_set1_ech_config_list(ssl.get(), ech_config_list.data(), | |
| ech_config_list.size())) { | |
| return nullptr; | |
| } | |
| if (ech_server_configs.size() != ech_server_keys.size() || | |
| ech_server_configs.size() != ech_is_retry_config.size()) { | |
| fprintf(stderr, | |
| "-ech-server-config, -ech-server-key, and -ech-is-retry-config " | |
| "flags must match.\n"); | |
| return nullptr; | |
| } | |
| if (!ech_server_configs.empty()) { | |
| bssl::UniquePtr<SSL_ECH_KEYS> keys(SSL_ECH_KEYS_new()); | |
| if (!keys) { | |
| return nullptr; | |
| } | |
| for (size_t i = 0; i < ech_server_configs.size(); i++) { | |
| bssl::Span<const uint8_t> ech_config = ech_server_configs[i]; | |
| bssl::Span<const uint8_t> ech_private_key = ech_server_keys[i]; | |
| const int is_retry_config = ech_is_retry_config[i]; | |
| bssl::ScopedEVP_HPKE_KEY key; | |
| if (!EVP_HPKE_KEY_init(key.get(), EVP_hpke_x25519_hkdf_sha256(), | |
| ech_private_key.data(), ech_private_key.size()) || | |
| !SSL_ECH_KEYS_add(keys.get(), is_retry_config, ech_config.data(), | |
| ech_config.size(), key.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!SSL_CTX_set1_ech_keys(ssl_ctx, keys.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!send_channel_id.empty()) { | |
| bssl::UniquePtr<EVP_PKEY> pkey = LoadPrivateKey(send_channel_id); | |
| if (!pkey || !SSL_set1_tls_channel_id(ssl.get(), pkey.get())) { | |
| return nullptr; | |
| } | |
| } | |
| if (!host_name.empty() && | |
| !SSL_set_tlsext_host_name(ssl.get(), host_name.c_str())) { | |
| return nullptr; | |
| } | |
| if (!advertise_alpn.empty() && | |
| SSL_set_alpn_protos( | |
| ssl.get(), reinterpret_cast<const uint8_t *>(advertise_alpn.data()), | |
| advertise_alpn.size()) != 0) { | |
| return nullptr; | |
| } | |
| if (!defer_alps) { | |
| for (const auto &pair : application_settings) { | |
| if (!SSL_add_application_settings( | |
| ssl.get(), reinterpret_cast<const uint8_t *>(pair.first.data()), | |
| pair.first.size(), | |
| reinterpret_cast<const uint8_t *>(pair.second.data()), | |
| pair.second.size())) { | |
| return nullptr; | |
| } | |
| } | |
| } | |
| if (!psk.empty()) { | |
| SSL_set_psk_client_callback(ssl.get(), PskClientCallback); | |
| SSL_set_psk_server_callback(ssl.get(), PskServerCallback); | |
| } | |
| if (!psk_identity.empty() && | |
| !SSL_use_psk_identity_hint(ssl.get(), psk_identity.c_str())) { | |
| return nullptr; | |
| } | |
| if (!srtp_profiles.empty() && | |
| !SSL_set_srtp_profiles(ssl.get(), srtp_profiles.c_str())) { | |
| return nullptr; | |
| } | |
| if (requested_trust_anchors.has_value() && | |
| !SSL_set1_requested_trust_anchors(ssl.get(), | |
| requested_trust_anchors->data(), | |
| requested_trust_anchors->size())) { | |
| return nullptr; | |
| } | |
| if (!available_trust_anchors.empty() && | |
| !SSL_set1_available_trust_anchors(ssl.get(), | |
| available_trust_anchors.data(), | |
| available_trust_anchors.size())) { | |
| return nullptr; | |
| } | |
| if (enable_ocsp_stapling) { | |
| SSL_enable_ocsp_stapling(ssl.get()); | |
| } | |
| if (enable_signed_cert_timestamps) { | |
| SSL_enable_signed_cert_timestamps(ssl.get()); | |
| } | |
| // (D)TLS 1.0 and 1.1 are disabled by default, but the runner expects them to | |
| // be enabled. | |
| // TODO(davidben): Update the tests to explicitly enable the versions they | |
| // need. | |
| if (!SSL_set_min_proto_version( | |
| ssl.get(), SSL_is_dtls(ssl.get()) ? DTLS1_VERSION : TLS1_VERSION)) { | |
| return nullptr; | |
| } | |
| if (min_version != 0 && !SSL_set_min_proto_version(ssl.get(), min_version)) { | |
| return nullptr; | |
| } | |
| if (max_version != 0 && !SSL_set_max_proto_version(ssl.get(), max_version)) { | |
| return nullptr; | |
| } | |
| if (mtu != 0) { | |
| SSL_set_options(ssl.get(), SSL_OP_NO_QUERY_MTU); | |
| SSL_set_mtu(ssl.get(), mtu); | |
| } | |
| if (install_ddos_callback) { | |
| SSL_CTX_set_dos_protection_cb(ssl_ctx, DDoSCallback); | |
| } | |
| SSL_set_shed_handshake_config(ssl.get(), true); | |
| if (renegotiate_once) { | |
| SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_once); | |
| } | |
| if (renegotiate_freely || forbid_renegotiation_after_handshake) { | |
| // `forbid_renegotiation_after_handshake` will disable renegotiation later. | |
| SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_freely); | |
| } | |
| if (renegotiate_ignore) { | |
| SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_ignore); | |
| } | |
| if (renegotiate_explicit) { | |
| SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_explicit); | |
| } | |
| if (!check_close_notify) { | |
| SSL_set_quiet_shutdown(ssl.get(), 1); | |
| } | |
| if (!curves.empty()) { | |
| if (!curves_flags.empty()) { | |
| if (curves.size() != curves_flags.size() || | |
| !SSL_set1_group_ids_with_flags(ssl.get(), curves.data(), | |
| curves_flags.data(), curves.size())) { | |
| return nullptr; | |
| } | |
| } else { | |
| if (!SSL_set1_group_ids(ssl.get(), curves.data(), curves.size())) { | |
| return nullptr; | |
| } | |
| } | |
| } | |
| if (key_shares.has_value() && | |
| !SSL_set1_client_key_shares(ssl.get(), key_shares->data(), | |
| key_shares->size())) { | |
| return nullptr; | |
| } | |
| if (!server_supported_groups_hint.empty() && | |
| !SSL_set1_server_supported_groups_hint( | |
| ssl.get(), server_supported_groups_hint.data(), | |
| server_supported_groups_hint.size())) { | |
| return nullptr; | |
| } | |
| if (initial_timeout_duration_ms > 0) { | |
| DTLSv1_set_initial_timeout_duration(ssl.get(), initial_timeout_duration_ms); | |
| } | |
| if (max_cert_list > 0) { | |
| SSL_set_max_cert_list(ssl.get(), max_cert_list); | |
| } | |
| if (retain_only_sha256_client_cert) { | |
| SSL_set_retain_only_sha256_of_client_certs(ssl.get(), 1); | |
| } | |
| if (max_send_fragment > 0) { | |
| SSL_set_max_send_fragment(ssl.get(), max_send_fragment); | |
| } | |
| // Using new ALPS codepoint as default, only explicitly set when it uses the | |
| // old ALPS codepoint. | |
| if (alps_use_new_codepoint == 0) { | |
| SSL_set_alps_use_new_codepoint(ssl.get(), 0); | |
| } | |
| if (quic_use_legacy_codepoint != -1) { | |
| SSL_set_quic_use_legacy_codepoint(ssl.get(), quic_use_legacy_codepoint); | |
| } | |
| if (!quic_transport_params.empty()) { | |
| if (!SSL_set_quic_transport_params(ssl.get(), quic_transport_params.data(), | |
| quic_transport_params.size())) { | |
| return nullptr; | |
| } | |
| } | |
| if (jdk11_workaround) { | |
| SSL_set_jdk11_workaround(ssl.get(), 1); | |
| } | |
| if (!accepted_peer_cert_types.empty() && | |
| !SSL_set1_accepted_peer_cert_types(ssl.get(), | |
| accepted_peer_cert_types.data(), | |
| accepted_peer_cert_types.size())) { | |
| return nullptr; | |
| } | |
| if (!available_client_cert_types.empty() && | |
| !SSL_set1_available_client_cert_types( | |
| ssl.get(), available_client_cert_types.data(), | |
| available_client_cert_types.size())) { | |
| return nullptr; | |
| } | |
| if (session != nullptr) { | |
| if (!is_server) { | |
| if (SSL_set_session(ssl.get(), session) != 1) { | |
| return nullptr; | |
| } | |
| } else if (async) { | |
| // The internal session cache is disabled, so install the session | |
| // manually. | |
| SSL_SESSION_up_ref(session); | |
| GetTestState(ssl.get())->pending_session.reset(session); | |
| } | |
| } | |
| if (!quic_early_data_context.empty() && | |
| !SSL_set_quic_early_data_context( | |
| ssl.get(), | |
| reinterpret_cast<const uint8_t *>(quic_early_data_context.data()), | |
| quic_early_data_context.size())) { | |
| return nullptr; | |
| } | |
| if (request_server_padding) { | |
| SSL_set_server_padding_request(ssl.get(), request_server_padding.value()); | |
| } | |
| if (server_supports_padding) { | |
| SSL_set_server_padding_enabled(ssl.get(), 1); | |
| } | |
| // The compliance policy must be the last thing configured to have defined | |
| // behavior. | |
| struct { | |
| const bool *setting; | |
| ssl_compliance_policy_t policy; | |
| } compliance_options[] = { | |
| {&fips_202205, ssl_compliance_policy_fips_202205}, | |
| {&wpa_202304, ssl_compliance_policy_wpa3_192_202304}, | |
| {&cnsa_202407, ssl_compliance_policy_cnsa_202407}, | |
| {&cnsa1_202603, ssl_compliance_policy_cnsa1_202603}, | |
| {&cnsa2_202603, ssl_compliance_policy_cnsa2_202603}, | |
| }; | |
| bool set_compliance_option = false; | |
| for (const auto &option : compliance_options) { | |
| if (*option.setting) { | |
| if (set_compliance_option) { | |
| fprintf(stderr, "Multiple policy options given\n"); | |
| return nullptr; | |
| } | |
| if (!SSL_set_compliance_policy(ssl.get(), option.policy)) { | |
| fprintf(stderr, "SSL_set_compliance_policy failed\n"); | |
| return nullptr; | |
| } | |
| set_compliance_option = true; | |
| } | |
| } | |
| return ssl; | |
| } |