/* Copyright (c) 2014, Google Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #if !defined(OPENSSL_WINDOWS) #include #include #include #include #include #include #include #else #include #pragma warning(push, 3) #include #include #pragma warning(pop) #pragma comment(lib, "Ws2_32.lib") #endif #include #include #include #include #include #include #include #include #include #include "../../crypto/test/scoped_types.h" #include "async_bio.h" #include "packeted_bio.h" #include "scoped_types.h" #include "test_config.h" #if !defined(OPENSSL_WINDOWS) static int closesocket(int sock) { return close(sock); } static void PrintSocketError(const char *func) { perror(func); } #else static void PrintSocketError(const char *func) { fprintf(stderr, "%s: %d\n", func, WSAGetLastError()); } #endif static int Usage(const char *program) { fprintf(stderr, "Usage: %s [flags...]\n", program); return 1; } struct TestState { TestState() { // MSVC cannot initialize these inline. memset(&clock, 0, sizeof(clock)); memset(&clock_delta, 0, sizeof(clock_delta)); } // async_bio is async BIO which pauses reads and writes. BIO *async_bio = nullptr; // clock is the current time for the SSL connection. timeval clock; // clock_delta is how far the clock advanced in the most recent failed // |BIO_read|. timeval clock_delta; ScopedEVP_PKEY channel_id; bool cert_ready = false; ScopedSSL_SESSION session; ScopedSSL_SESSION pending_session; bool early_callback_called = false; bool handshake_done = false; }; static void TestStateExFree(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int index, long argl, void *argp) { delete ((TestState *)ptr); } static int g_config_index = 0; static int g_state_index = 0; static bool SetConfigPtr(SSL *ssl, const TestConfig *config) { return SSL_set_ex_data(ssl, g_config_index, (void *)config) == 1; } static const TestConfig *GetConfigPtr(const SSL *ssl) { return (const TestConfig *)SSL_get_ex_data(ssl, g_config_index); } static bool SetTestState(SSL *ssl, std::unique_ptr async) { if (SSL_set_ex_data(ssl, g_state_index, (void *)async.get()) == 1) { async.release(); return true; } return false; } static TestState *GetTestState(const SSL *ssl) { return (TestState *)SSL_get_ex_data(ssl, g_state_index); } static ScopedEVP_PKEY LoadPrivateKey(const std::string &file) { ScopedBIO bio(BIO_new(BIO_s_file())); if (!bio || !BIO_read_filename(bio.get(), file.c_str())) { return nullptr; } ScopedEVP_PKEY pkey(PEM_read_bio_PrivateKey(bio.get(), NULL, NULL, NULL)); return pkey; } static bool InstallCertificate(SSL *ssl) { const TestConfig *config = GetConfigPtr(ssl); if (!config->key_file.empty() && !SSL_use_PrivateKey_file(ssl, config->key_file.c_str(), SSL_FILETYPE_PEM)) { return false; } if (!config->cert_file.empty() && !SSL_use_certificate_file(ssl, config->cert_file.c_str(), SSL_FILETYPE_PEM)) { return false; } return true; } static int SelectCertificateCallback(const struct ssl_early_callback_ctx *ctx) { const TestConfig *config = GetConfigPtr(ctx->ssl); GetTestState(ctx->ssl)->early_callback_called = true; if (!config->expected_server_name.empty()) { const uint8_t *extension_data; size_t extension_len; CBS extension, server_name_list, host_name; uint8_t name_type; if (!SSL_early_callback_ctx_extension_get(ctx, TLSEXT_TYPE_server_name, &extension_data, &extension_len)) { fprintf(stderr, "Could not find server_name extension.\n"); return -1; } CBS_init(&extension, extension_data, extension_len); if (!CBS_get_u16_length_prefixed(&extension, &server_name_list) || CBS_len(&extension) != 0 || !CBS_get_u8(&server_name_list, &name_type) || name_type != TLSEXT_NAMETYPE_host_name || !CBS_get_u16_length_prefixed(&server_name_list, &host_name) || CBS_len(&server_name_list) != 0) { fprintf(stderr, "Could not decode server_name extension.\n"); return -1; } if (!CBS_mem_equal(&host_name, (const uint8_t*)config->expected_server_name.data(), config->expected_server_name.size())) { fprintf(stderr, "Server name mismatch.\n"); } } if (config->fail_early_callback) { return -1; } // Install the certificate in the early callback. if (config->use_early_callback) { if (config->async) { // Install the certificate asynchronously. return 0; } if (!InstallCertificate(ctx->ssl)) { return -1; } } return 1; } static int SkipVerify(int preverify_ok, X509_STORE_CTX *store_ctx) { return 1; } static int NextProtosAdvertisedCallback(SSL *ssl, const uint8_t **out, unsigned int *out_len, void *arg) { const TestConfig *config = GetConfigPtr(ssl); if (config->advertise_npn.empty()) { return SSL_TLSEXT_ERR_NOACK; } *out = (const uint8_t*)config->advertise_npn.data(); *out_len = config->advertise_npn.size(); return 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 = GetConfigPtr(ssl); if (config->select_next_proto.empty()) { return SSL_TLSEXT_ERR_NOACK; } *out = (uint8_t*)config->select_next_proto.data(); *outlen = config->select_next_proto.size(); return SSL_TLSEXT_ERR_OK; } static int AlpnSelectCallback(SSL* ssl, const uint8_t** out, uint8_t* outlen, const uint8_t* in, unsigned inlen, void* arg) { const TestConfig *config = GetConfigPtr(ssl); if (config->select_alpn.empty()) { return SSL_TLSEXT_ERR_NOACK; } if (!config->expected_advertised_alpn.empty() && (config->expected_advertised_alpn.size() != inlen || memcmp(config->expected_advertised_alpn.data(), in, inlen) != 0)) { fprintf(stderr, "bad ALPN select callback inputs\n"); exit(1); } *out = (const uint8_t*)config->select_alpn.data(); *outlen = config->select_alpn.size(); return SSL_TLSEXT_ERR_OK; } 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 = GetConfigPtr(ssl); if (strcmp(hint ? 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; } BUF_strlcpy(out_identity, config->psk_identity.c_str(), max_identity_len); memcpy(out_psk, config->psk.data(), config->psk.size()); return config->psk.size(); } static unsigned PskServerCallback(SSL *ssl, const char *identity, uint8_t *out_psk, unsigned max_psk_len) { const TestConfig *config = GetConfigPtr(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; } memcpy(out_psk, config->psk.data(), config->psk.size()); return config->psk.size(); } static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) { *out_clock = GetTestState(ssl)->clock; } static void ChannelIdCallback(SSL *ssl, EVP_PKEY **out_pkey) { *out_pkey = GetTestState(ssl)->channel_id.release(); } static int CertCallback(SSL *ssl, void *arg) { if (!GetTestState(ssl)->cert_ready) { return -1; } if (!InstallCertificate(ssl)) { return 0; } return 1; } static SSL_SESSION *GetSessionCallback(SSL *ssl, 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 NULL; } } static int DDoSCallback(const struct ssl_early_callback_ctx *early_context) { const TestConfig *config = GetConfigPtr(early_context->ssl); static int callback_num = 0; callback_num++; if (config->fail_ddos_callback || (config->fail_second_ddos_callback && callback_num == 2)) { return 0; } return 1; } static void InfoCallback(const SSL *ssl, int type, int val) { if (type == SSL_CB_HANDSHAKE_DONE) { if (GetConfigPtr(ssl)->handshake_never_done) { fprintf(stderr, "handshake completed\n"); // Abort before any expected error code is printed, to ensure the overall // test fails. abort(); } GetTestState(ssl)->handshake_done = true; } } // Connect returns a new socket connected to localhost on |port| or -1 on // error. static int Connect(uint16_t port) { int sock = socket(AF_INET, SOCK_STREAM, 0); if (sock == -1) { PrintSocketError("socket"); return -1; } int nodelay = 1; if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast(&nodelay), sizeof(nodelay)) != 0) { PrintSocketError("setsockopt"); closesocket(sock); return -1; } sockaddr_in sin; memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(port); if (!inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr)) { PrintSocketError("inet_pton"); closesocket(sock); return -1; } if (connect(sock, reinterpret_cast(&sin), sizeof(sin)) != 0) { PrintSocketError("connect"); closesocket(sock); return -1; } return sock; } class SocketCloser { public: explicit SocketCloser(int sock) : sock_(sock) {} ~SocketCloser() { // Half-close and drain the socket before releasing it. This seems to be // necessary for graceful shutdown on Windows. It will also avoid write // failures in the test runner. #if defined(OPENSSL_WINDOWS) shutdown(sock_, SD_SEND); #else shutdown(sock_, SHUT_WR); #endif while (true) { char buf[1024]; if (recv(sock_, buf, sizeof(buf), 0) <= 0) { break; } } closesocket(sock_); } private: const int sock_; }; static ScopedSSL_CTX SetupCtx(const TestConfig *config) { ScopedSSL_CTX ssl_ctx(SSL_CTX_new( config->is_dtls ? DTLS_method() : TLS_method())); if (!ssl_ctx) { return nullptr; } if (!SSL_CTX_set_cipher_list(ssl_ctx.get(), "ALL")) { return nullptr; } ScopedDH dh(DH_get_2048_256(NULL)); if (!dh || !SSL_CTX_set_tmp_dh(ssl_ctx.get(), dh.get())) { return nullptr; } if (config->async && config->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->select_certificate_cb = SelectCertificateCallback; SSL_CTX_set_next_protos_advertised_cb( ssl_ctx.get(), NextProtosAdvertisedCallback, NULL); if (!config->select_next_proto.empty()) { SSL_CTX_set_next_proto_select_cb(ssl_ctx.get(), NextProtoSelectCallback, NULL); } if (!config->select_alpn.empty()) { SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), AlpnSelectCallback, NULL); } ssl_ctx->tlsext_channel_id_enabled_new = 1; SSL_CTX_set_channel_id_cb(ssl_ctx.get(), ChannelIdCallback); ssl_ctx->current_time_cb = CurrentTimeCallback; SSL_CTX_set_info_callback(ssl_ctx.get(), InfoCallback); return ssl_ctx; } // RetryAsync is called after a failed operation on |ssl| with return code // |ret|. If the operation should be retried, it simulates one asynchronous // event and returns true. Otherwise it returns false. static bool RetryAsync(SSL *ssl, int ret) { // No error; don't retry. if (ret >= 0) { return false; } TestState *test_state = GetTestState(ssl); if (test_state->clock_delta.tv_usec != 0 || test_state->clock_delta.tv_sec != 0) { // Process the timeout and retry. test_state->clock.tv_usec += test_state->clock_delta.tv_usec; test_state->clock.tv_sec += test_state->clock.tv_usec / 1000000; test_state->clock.tv_usec %= 1000000; test_state->clock.tv_sec += test_state->clock_delta.tv_sec; memset(&test_state->clock_delta, 0, sizeof(test_state->clock_delta)); if (DTLSv1_handle_timeout(ssl) < 0) { fprintf(stderr, "Error retransmitting.\n"); return false; } return true; } // See if we needed to read or write more. If so, allow one byte through on // the appropriate end to maximally stress the state machine. switch (SSL_get_error(ssl, ret)) { case SSL_ERROR_WANT_READ: AsyncBioAllowRead(test_state->async_bio, 1); return true; case SSL_ERROR_WANT_WRITE: AsyncBioAllowWrite(test_state->async_bio, 1); return true; case SSL_ERROR_WANT_CHANNEL_ID_LOOKUP: { ScopedEVP_PKEY pkey = LoadPrivateKey(GetConfigPtr(ssl)->send_channel_id); if (!pkey) { return false; } test_state->channel_id = std::move(pkey); return true; } case SSL_ERROR_WANT_X509_LOOKUP: test_state->cert_ready = true; return true; case SSL_ERROR_PENDING_SESSION: test_state->session = std::move(test_state->pending_session); return true; case SSL_ERROR_PENDING_CERTIFICATE: // The handshake will resume without a second call to the early callback. return InstallCertificate(ssl); default: return false; } } // DoRead reads from |ssl|, resolving any asynchronous operations. It returns // the result value of the final |SSL_read| call. static int DoRead(SSL *ssl, uint8_t *out, size_t max_out) { const TestConfig *config = GetConfigPtr(ssl); int ret; do { ret = SSL_read(ssl, out, max_out); } while (config->async && RetryAsync(ssl, ret)); return ret; } // WriteAll writes |in_len| bytes from |in| to |ssl|, resolving any asynchronous // operations. It returns the result of the final |SSL_write| call. static int WriteAll(SSL *ssl, const uint8_t *in, size_t in_len) { const TestConfig *config = GetConfigPtr(ssl); int ret; do { ret = SSL_write(ssl, in, in_len); if (ret > 0) { in += ret; in_len -= ret; } } while ((config->async && RetryAsync(ssl, ret)) || (ret > 0 && in_len > 0)); return ret; } // DoExchange runs a test SSL exchange against the peer. On success, it returns // true and sets |*out_session| to the negotiated SSL session. If the test is a // resumption attempt, |is_resume| is true and |session| is the session from the // previous exchange. static bool DoExchange(ScopedSSL_SESSION *out_session, SSL_CTX *ssl_ctx, const TestConfig *config, bool is_resume, SSL_SESSION *session) { ScopedSSL ssl(SSL_new(ssl_ctx)); if (!ssl) { return false; } if (!SetConfigPtr(ssl.get(), config) || !SetTestState(ssl.get(), std::unique_ptr(new TestState))) { return false; } if (config->fallback_scsv && !SSL_set_mode(ssl.get(), SSL_MODE_SEND_FALLBACK_SCSV)) { return false; } if (!config->use_early_callback) { if (config->async) { // TODO(davidben): Also test |s->ctx->client_cert_cb| on the client. SSL_set_cert_cb(ssl.get(), CertCallback, NULL); } else if (!InstallCertificate(ssl.get())) { return false; } } if (config->require_any_client_certificate) { SSL_set_verify(ssl.get(), SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT, SkipVerify); } if (config->false_start) { SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_FALSE_START); } if (config->cbc_record_splitting) { SSL_set_mode(ssl.get(), SSL_MODE_CBC_RECORD_SPLITTING); } if (config->partial_write) { SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_PARTIAL_WRITE); } if (config->no_tls12) { SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_2); } if (config->no_tls11) { SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_1); } if (config->no_tls1) { SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1); } if (config->no_ssl3) { SSL_set_options(ssl.get(), SSL_OP_NO_SSLv3); } if (config->tls_d5_bug) { SSL_set_options(ssl.get(), SSL_OP_TLS_D5_BUG); } if (config->allow_unsafe_legacy_renegotiation) { SSL_set_options(ssl.get(), SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION); } if (config->no_legacy_server_connect) { SSL_clear_options(ssl.get(), SSL_OP_LEGACY_SERVER_CONNECT); } if (!config->expected_channel_id.empty()) { SSL_enable_tls_channel_id(ssl.get()); } if (!config->send_channel_id.empty()) { SSL_enable_tls_channel_id(ssl.get()); if (!config->async) { // The async case will be supplied by |ChannelIdCallback|. ScopedEVP_PKEY pkey = LoadPrivateKey(config->send_channel_id); if (!pkey || !SSL_set1_tls_channel_id(ssl.get(), pkey.get())) { return false; } } } if (!config->host_name.empty() && !SSL_set_tlsext_host_name(ssl.get(), config->host_name.c_str())) { return false; } if (!config->advertise_alpn.empty() && SSL_set_alpn_protos(ssl.get(), (const uint8_t *)config->advertise_alpn.data(), config->advertise_alpn.size()) != 0) { return false; } if (!config->psk.empty()) { SSL_set_psk_client_callback(ssl.get(), PskClientCallback); SSL_set_psk_server_callback(ssl.get(), PskServerCallback); } if (!config->psk_identity.empty() && !SSL_use_psk_identity_hint(ssl.get(), config->psk_identity.c_str())) { return false; } if (!config->srtp_profiles.empty() && !SSL_set_srtp_profiles(ssl.get(), config->srtp_profiles.c_str())) { return false; } if (config->enable_ocsp_stapling && !SSL_enable_ocsp_stapling(ssl.get())) { return false; } if (config->enable_signed_cert_timestamps && !SSL_enable_signed_cert_timestamps(ssl.get())) { return false; } SSL_enable_fastradio_padding(ssl.get(), config->fastradio_padding); if (config->min_version != 0) { SSL_set_min_version(ssl.get(), (uint16_t)config->min_version); } if (config->max_version != 0) { SSL_set_max_version(ssl.get(), (uint16_t)config->max_version); } if (config->mtu != 0) { SSL_set_options(ssl.get(), SSL_OP_NO_QUERY_MTU); SSL_set_mtu(ssl.get(), config->mtu); } if (config->install_ddos_callback) { SSL_CTX_set_dos_protection_cb(ssl_ctx, DDoSCallback); } if (!config->cipher.empty() && !SSL_set_cipher_list(ssl.get(), config->cipher.c_str())) { return false; } if (!config->reject_peer_renegotiations) { /* Renegotiations are disabled by default. */ SSL_set_reject_peer_renegotiations(ssl.get(), 0); } int sock = Connect(config->port); if (sock == -1) { return false; } SocketCloser closer(sock); ScopedBIO bio(BIO_new_socket(sock, BIO_NOCLOSE)); if (!bio) { return false; } if (config->is_dtls) { ScopedBIO packeted = PacketedBioCreate(&GetTestState(ssl.get())->clock_delta); BIO_push(packeted.get(), bio.release()); bio = std::move(packeted); } if (config->async) { ScopedBIO async_scoped = config->is_dtls ? AsyncBioCreateDatagram() : AsyncBioCreate(); BIO_push(async_scoped.get(), bio.release()); GetTestState(ssl.get())->async_bio = async_scoped.get(); bio = std::move(async_scoped); } SSL_set_bio(ssl.get(), bio.get(), bio.get()); bio.release(); // SSL_set_bio takes ownership. if (session != NULL) { if (!config->is_server) { if (SSL_set_session(ssl.get(), session) != 1) { return false; } } else if (config->async) { // The internal session cache is disabled, so install the session // manually. GetTestState(ssl.get())->pending_session.reset( SSL_SESSION_up_ref(session)); } } if (SSL_get_current_cipher(ssl.get()) != nullptr) { fprintf(stderr, "non-null cipher before handshake\n"); return false; } int ret; if (config->implicit_handshake) { if (config->is_server) { SSL_set_accept_state(ssl.get()); } else { SSL_set_connect_state(ssl.get()); } } else { do { if (config->is_server) { ret = SSL_accept(ssl.get()); } else { ret = SSL_connect(ssl.get()); } } while (config->async && RetryAsync(ssl.get(), ret)); if (ret != 1) { return false; } if (SSL_get_current_cipher(ssl.get()) == nullptr) { fprintf(stderr, "null cipher after handshake\n"); return false; } if (is_resume && (!!SSL_session_reused(ssl.get()) == config->expect_session_miss)) { fprintf(stderr, "session was%s reused\n", SSL_session_reused(ssl.get()) ? "" : " not"); return false; } bool expect_handshake_done = is_resume || !config->false_start; if (expect_handshake_done != GetTestState(ssl.get())->handshake_done) { fprintf(stderr, "handshake was%s completed\n", GetTestState(ssl.get())->handshake_done ? "" : " not"); return false; } if (config->is_server && !GetTestState(ssl.get())->early_callback_called) { fprintf(stderr, "early callback not called\n"); return false; } if (!config->expected_server_name.empty()) { const char *server_name = SSL_get_servername(ssl.get(), TLSEXT_NAMETYPE_host_name); if (server_name != config->expected_server_name) { fprintf(stderr, "servername mismatch (got %s; want %s)\n", server_name, config->expected_server_name.c_str()); return false; } } if (!config->expected_certificate_types.empty()) { uint8_t *certificate_types; int num_certificate_types = SSL_get0_certificate_types(ssl.get(), &certificate_types); if (num_certificate_types != (int)config->expected_certificate_types.size() || memcmp(certificate_types, config->expected_certificate_types.data(), num_certificate_types) != 0) { fprintf(stderr, "certificate types mismatch\n"); return false; } } if (!config->expected_next_proto.empty()) { const uint8_t *next_proto; unsigned next_proto_len; SSL_get0_next_proto_negotiated(ssl.get(), &next_proto, &next_proto_len); if (next_proto_len != config->expected_next_proto.size() || memcmp(next_proto, config->expected_next_proto.data(), next_proto_len) != 0) { fprintf(stderr, "negotiated next proto mismatch\n"); return false; } } if (!config->expected_alpn.empty()) { const uint8_t *alpn_proto; unsigned alpn_proto_len; SSL_get0_alpn_selected(ssl.get(), &alpn_proto, &alpn_proto_len); if (alpn_proto_len != config->expected_alpn.size() || memcmp(alpn_proto, config->expected_alpn.data(), alpn_proto_len) != 0) { fprintf(stderr, "negotiated alpn proto mismatch\n"); return false; } } if (!config->expected_channel_id.empty()) { uint8_t channel_id[64]; if (!SSL_get_tls_channel_id(ssl.get(), channel_id, sizeof(channel_id))) { fprintf(stderr, "no channel id negotiated\n"); return false; } if (config->expected_channel_id.size() != 64 || memcmp(config->expected_channel_id.data(), channel_id, 64) != 0) { fprintf(stderr, "channel id mismatch\n"); return false; } } if (config->expect_extended_master_secret) { if (!ssl->session->extended_master_secret) { fprintf(stderr, "No EMS for session when expected"); return false; } } if (!config->expected_ocsp_response.empty()) { const uint8_t *data; size_t len; SSL_get0_ocsp_response(ssl.get(), &data, &len); if (config->expected_ocsp_response.size() != len || memcmp(config->expected_ocsp_response.data(), data, len) != 0) { fprintf(stderr, "OCSP response mismatch\n"); return false; } } if (!config->expected_signed_cert_timestamps.empty()) { const uint8_t *data; size_t len; SSL_get0_signed_cert_timestamp_list(ssl.get(), &data, &len); if (config->expected_signed_cert_timestamps.size() != len || memcmp(config->expected_signed_cert_timestamps.data(), data, len) != 0) { fprintf(stderr, "SCT list mismatch\n"); return false; } } } if (config->export_keying_material > 0) { std::vector result( static_cast(config->export_keying_material)); if (!SSL_export_keying_material( ssl.get(), result.data(), result.size(), config->export_label.data(), config->export_label.size(), reinterpret_cast(config->export_context.data()), config->export_context.size(), config->use_export_context)) { fprintf(stderr, "failed to export keying material\n"); return false; } if (WriteAll(ssl.get(), result.data(), result.size()) < 0) { return false; } } if (config->tls_unique) { uint8_t tls_unique[16]; size_t tls_unique_len; if (!SSL_get_tls_unique(ssl.get(), tls_unique, &tls_unique_len, sizeof(tls_unique))) { fprintf(stderr, "failed to get tls-unique\n"); return false; } if (tls_unique_len != 12) { fprintf(stderr, "expected 12 bytes of tls-unique but got %u", static_cast(tls_unique_len)); return false; } if (WriteAll(ssl.get(), tls_unique, tls_unique_len) < 0) { return false; } } if (config->write_different_record_sizes) { if (config->is_dtls) { fprintf(stderr, "write_different_record_sizes not supported for DTLS\n"); return false; } // This mode writes a number of different record sizes in an attempt to // trip up the CBC record splitting code. uint8_t buf[32769]; memset(buf, 0x42, sizeof(buf)); static const size_t kRecordSizes[] = { 0, 1, 255, 256, 257, 16383, 16384, 16385, 32767, 32768, 32769}; for (size_t i = 0; i < sizeof(kRecordSizes) / sizeof(kRecordSizes[0]); i++) { const size_t len = kRecordSizes[i]; if (len > sizeof(buf)) { fprintf(stderr, "Bad kRecordSizes value.\n"); return false; } if (WriteAll(ssl.get(), buf, len) < 0) { return false; } } } else { if (config->shim_writes_first) { if (WriteAll(ssl.get(), reinterpret_cast("hello"), 5) < 0) { return false; } } for (;;) { uint8_t buf[512]; int n = DoRead(ssl.get(), buf, sizeof(buf)); int err = SSL_get_error(ssl.get(), n); if (err == SSL_ERROR_ZERO_RETURN || (n == 0 && err == SSL_ERROR_SYSCALL)) { if (n != 0) { fprintf(stderr, "Invalid SSL_get_error output\n"); return false; } // Accept shutdowns with or without close_notify. // TODO(davidben): Write tests which distinguish these two cases. break; } else if (err != SSL_ERROR_NONE) { if (n > 0) { fprintf(stderr, "Invalid SSL_get_error output\n"); return false; } return false; } // Successfully read data. if (n <= 0) { fprintf(stderr, "Invalid SSL_get_error output\n"); return false; } // After a successful read, with or without False Start, the handshake // must be complete. if (!GetTestState(ssl.get())->handshake_done) { fprintf(stderr, "handshake was not completed after SSL_read\n"); return false; } for (int i = 0; i < n; i++) { buf[i] ^= 0xff; } if (WriteAll(ssl.get(), buf, n) < 0) { return false; } } } if (out_session) { out_session->reset(SSL_get1_session(ssl.get())); } SSL_shutdown(ssl.get()); return true; } int main(int argc, char **argv) { #if defined(OPENSSL_WINDOWS) /* Initialize Winsock. */ WORD wsa_version = MAKEWORD(2, 2); WSADATA wsa_data; int wsa_err = WSAStartup(wsa_version, &wsa_data); if (wsa_err != 0) { fprintf(stderr, "WSAStartup failed: %d\n", wsa_err); return 1; } if (wsa_data.wVersion != wsa_version) { fprintf(stderr, "Didn't get expected version: %x\n", wsa_data.wVersion); return 1; } #else signal(SIGPIPE, SIG_IGN); #endif if (!SSL_library_init()) { return 1; } g_config_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL); g_state_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, TestStateExFree); if (g_config_index < 0 || g_state_index < 0) { return 1; } TestConfig config; if (!ParseConfig(argc - 1, argv + 1, &config)) { return Usage(argv[0]); } ScopedSSL_CTX ssl_ctx = SetupCtx(&config); if (!ssl_ctx) { ERR_print_errors_fp(stderr); return 1; } ScopedSSL_SESSION session; if (!DoExchange(&session, ssl_ctx.get(), &config, false /* is_resume */, NULL /* session */)) { ERR_print_errors_fp(stderr); return 1; } if (config.resume && !DoExchange(NULL, ssl_ctx.get(), &config, true /* is_resume */, session.get())) { ERR_print_errors_fp(stderr); return 1; } return 0; }