| /* 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 <openssl/base.h> |
| |
| #if !defined(OPENSSL_WINDOWS) |
| #include <arpa/inet.h> |
| #include <netinet/in.h> |
| #include <netinet/tcp.h> |
| #include <signal.h> |
| #include <sys/socket.h> |
| #include <unistd.h> |
| #else |
| #include <io.h> |
| #pragma warning(push, 3) |
| #include <winsock2.h> |
| #include <ws2tcpip.h> |
| #pragma warning(pop) |
| |
| #pragma comment(lib, "Ws2_32.lib") |
| #endif |
| |
| #include <string.h> |
| #include <sys/types.h> |
| |
| #include <openssl/bio.h> |
| #include <openssl/buf.h> |
| #include <openssl/bytestring.h> |
| #include <openssl/ssl.h> |
| |
| #include <memory> |
| |
| #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 { |
| ScopedEVP_PKEY channel_id; |
| bool cert_ready = false; |
| ScopedSSL_SESSION session; |
| ScopedSSL_SESSION pending_session; |
| bool early_callback_called = 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_clock_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(SSL *ssl) { |
| return (const TestConfig *)SSL_get_ex_data(ssl, g_config_index); |
| } |
| |
| static bool SetClockPtr(SSL *ssl, OPENSSL_timeval *clock) { |
| return SSL_set_ex_data(ssl, g_clock_index, (void *)clock) == 1; |
| } |
| |
| static OPENSSL_timeval *GetClockPtr(SSL *ssl) { |
| return (OPENSSL_timeval *)SSL_get_ex_data(ssl, g_clock_index); |
| } |
| |
| static bool SetTestState(SSL *ssl, std::unique_ptr<TestState> async) { |
| if (SSL_set_ex_data(ssl, g_state_index, (void *)async.get()) == 1) { |
| async.release(); |
| return true; |
| } |
| return false; |
| } |
| |
| static TestState *GetTestState(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(SSL *ssl, OPENSSL_timeval *out_clock) { |
| *out_clock = *GetClockPtr(ssl); |
| } |
| |
| 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; |
| } |
| |
| // 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<const char*>(&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<const sockaddr*>(&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 (config->is_dtls) { |
| // DTLS needs read-ahead to function on a datagram BIO. |
| // |
| // TODO(davidben): this should not be necessary. DTLS code should only |
| // expect a datagram BIO. |
| SSL_CTX_set_read_ahead(ssl_ctx.get(), 1); |
| } |
| |
| if (!SSL_CTX_set_ecdh_auto(ssl_ctx.get(), 1)) { |
| 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; |
| |
| 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. |async| and |clock_delta| |
| // are the AsyncBio and simulated timeout for |ssl|, respectively. |
| static bool RetryAsync(SSL *ssl, int ret, BIO *async, |
| OPENSSL_timeval *clock_delta) { |
| // No error; don't retry. |
| if (ret >= 0) { |
| return false; |
| } |
| |
| if (clock_delta->tv_usec != 0 || clock_delta->tv_sec != 0) { |
| // Process the timeout and retry. |
| OPENSSL_timeval *clock = GetClockPtr(ssl); |
| clock->tv_usec += clock_delta->tv_usec; |
| clock->tv_sec += clock->tv_usec / 1000000; |
| clock->tv_usec %= 1000000; |
| clock->tv_sec += clock_delta->tv_sec; |
| memset(clock_delta, 0, sizeof(*clock_delta)); |
| |
| if (DTLSv1_handle_timeout(ssl) < 0) { |
| printf("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(async, 1); |
| return true; |
| case SSL_ERROR_WANT_WRITE: |
| AsyncBioAllowWrite(async, 1); |
| return true; |
| case SSL_ERROR_WANT_CHANNEL_ID_LOOKUP: { |
| ScopedEVP_PKEY pkey = LoadPrivateKey(GetConfigPtr(ssl)->send_channel_id); |
| if (!pkey) { |
| return false; |
| } |
| GetTestState(ssl)->channel_id = std::move(pkey); |
| return true; |
| } |
| case SSL_ERROR_WANT_X509_LOOKUP: |
| GetTestState(ssl)->cert_ready = true; |
| return true; |
| case SSL_ERROR_PENDING_SESSION: |
| GetTestState(ssl)->session = |
| std::move(GetTestState(ssl)->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; |
| } |
| } |
| |
| // 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) { |
| OPENSSL_timeval clock = {0}, clock_delta = {0}; |
| ScopedSSL ssl(SSL_new(ssl_ctx)); |
| if (!ssl) { |
| return false; |
| } |
| |
| if (!SetConfigPtr(ssl.get(), config) || |
| !SetClockPtr(ssl.get(), &clock) | |
| !SetTestState(ssl.get(), std::unique_ptr<TestState>(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->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; |
| } |
| |
| 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(&clock_delta); |
| BIO_push(packeted.get(), bio.release()); |
| bio = std::move(packeted); |
| } |
| BIO *async = NULL; |
| if (config->async) { |
| ScopedBIO async_scoped = |
| config->is_dtls ? AsyncBioCreateDatagram() : AsyncBioCreate(); |
| BIO_push(async_scoped.get(), bio.release()); |
| async = 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)); |
| } |
| } |
| |
| 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, async, &clock_delta)); |
| if (ret != 1) { |
| 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; |
| } |
| |
| 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->renegotiate) { |
| if (config->async) { |
| fprintf(stderr, "-renegotiate is not supported with -async.\n"); |
| return false; |
| } |
| if (config->implicit_handshake) { |
| fprintf(stderr, "-renegotiate is not supported with -implicit-handshake.\n"); |
| return false; |
| } |
| |
| SSL_renegotiate(ssl.get()); |
| |
| ret = SSL_do_handshake(ssl.get()); |
| if (ret != 1) { |
| return false; |
| } |
| |
| SSL_set_state(ssl.get(), SSL_ST_ACCEPT); |
| ret = SSL_do_handshake(ssl.get()); |
| if (ret != 1) { |
| 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++) { |
| int w; |
| const size_t len = kRecordSizes[i]; |
| size_t off = 0; |
| |
| if (len > sizeof(buf)) { |
| fprintf(stderr, "Bad kRecordSizes value.\n"); |
| return false; |
| } |
| |
| do { |
| w = SSL_write(ssl.get(), buf + off, len - off); |
| if (w > 0) { |
| off += (size_t) w; |
| } |
| } while ((config->async && RetryAsync(ssl.get(), w, async, &clock_delta)) || |
| (w > 0 && off < len)); |
| |
| if (w < 0 || off != len) { |
| return false; |
| } |
| } |
| } else { |
| if (config->shim_writes_first) { |
| int w; |
| do { |
| w = SSL_write(ssl.get(), "hello", 5); |
| } while (config->async && RetryAsync(ssl.get(), w, async, &clock_delta)); |
| } |
| for (;;) { |
| uint8_t buf[512]; |
| int n; |
| do { |
| n = SSL_read(ssl.get(), buf, sizeof(buf)); |
| } while (config->async && RetryAsync(ssl.get(), n, async, &clock_delta)); |
| 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; |
| } |
| for (int i = 0; i < n; i++) { |
| buf[i] ^= 0xff; |
| } |
| int w; |
| do { |
| w = SSL_write(ssl.get(), buf, n); |
| } while (config->async && RetryAsync(ssl.get(), w, async, &clock_delta)); |
| if (w != n) { |
| 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_clock_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_clock_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) { |
| BIO_print_errors_fp(stdout); |
| return 1; |
| } |
| |
| ScopedSSL_SESSION session; |
| if (!DoExchange(&session, ssl_ctx.get(), &config, false /* is_resume */, |
| NULL /* session */)) { |
| BIO_print_errors_fp(stdout); |
| return 1; |
| } |
| |
| if (config.resume && |
| !DoExchange(NULL, ssl_ctx.get(), &config, true /* is_resume */, |
| session.get())) { |
| BIO_print_errors_fp(stdout); |
| return 1; |
| } |
| |
| return 0; |
| } |