/* Parse the comma-separated list into TLS format. */ static void parse_protos(const char *protos, unsigned char **out, size_t *outlen) { size_t len, i, prefix; len = strlen(protos); /* Should never have reuse. */ TEST_check(*out == NULL); /* Test values are small, so we omit length limit checks. */ *out = OPENSSL_malloc(len + 1); TEST_check(*out != NULL); *outlen = len + 1; /* * foo => '3', 'f', 'o', 'o' * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' */ memcpy(*out + 1, protos, len); prefix = 0; i = prefix + 1; while (i <= len) { if ((*out)[i] == ',') { TEST_check(i - 1 - prefix > 0); (*out)[prefix] = i - 1 - prefix; prefix = i; } i++; } TEST_check(len - prefix > 0); (*out)[prefix] = len - prefix; }
/*- * Send/receive some application data. The read-write sequence is * Peer A: (R) W - first read will yield no data * Peer B: R W * ... * Peer A: R W * Peer B: R W * Peer A: R */ static void do_app_data_step(PEER *peer) { int ret = 1, write_bytes; TEST_check(peer->status == PEER_RETRY); /* We read everything available... */ while (ret > 0 && peer->bytes_to_read) { ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); if (ret > 0) { TEST_check(ret <= peer->bytes_to_read); peer->bytes_to_read -= ret; } else if (ret == 0) { peer->status = PEER_ERROR; return; } else { int error = SSL_get_error(peer->ssl, ret); if (error != SSL_ERROR_WANT_READ) { peer->status = PEER_ERROR; return; } /* Else continue with write. */ } } /* ... but we only write one write-buffer-full of data. */ write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : peer->write_buf_len; if (write_bytes) { ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); if (ret > 0) { /* SSL_write will only succeed with a complete write. */ TEST_check(ret == write_bytes); peer->bytes_to_write -= ret; } else { /* * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here * but this doesn't yet occur with current app data sizes. */ peer->status = PEER_ERROR; return; } } /* * We could simply finish when there was nothing to read, and we have * nothing left to write. But keeping track of the expected number of bytes * to read gives us somewhat better guarantees that all data sent is in fact * received. */ if (!peer->bytes_to_write && !peer->bytes_to_read) { peer->status = PEER_SUCCESS; } }
static void create_peer(PEER *peer, SSL_CTX *ctx) { static const int peer_buffer_size = 64 * 1024; peer->ssl = SSL_new(ctx); TEST_check(peer->ssl != NULL); peer->write_buf = OPENSSL_zalloc(peer_buffer_size); TEST_check(peer->write_buf != NULL); peer->read_buf = OPENSSL_zalloc(peer_buffer_size); TEST_check(peer->read_buf != NULL); peer->write_buf_len = peer->read_buf_len = peer_buffer_size; }
/* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ static char *dup_str(const unsigned char *in, size_t len) { char *ret; if(len == 0) return NULL; /* Assert that the string does not contain NUL-bytes. */ TEST_check(OPENSSL_strnlen((const char*)(in), len) == len); ret = OPENSSL_strndup((const char*)(in), len); TEST_check(ret != NULL); return ret; }
HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, SSL_CTX *resume_client_ctx, const SSL_TEST_CTX *test_ctx) { HANDSHAKE_RESULT *result; SSL_SESSION *session = NULL; result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, test_ctx, &test_ctx->extra, NULL, &session); if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_SIMPLE) goto end; TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME); if (result->result != SSL_TEST_SUCCESS) { result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; goto end; } HANDSHAKE_RESULT_free(result); /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, test_ctx, &test_ctx->resume_extra, session, NULL); end: SSL_SESSION_free(session); return result; }
static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, connect_phase_t phase) { switch (phase) { case HANDSHAKE: do_handshake_step(peer); break; case RENEG_APPLICATION_DATA: do_app_data_step(peer); break; case RENEG_SETUP: do_reneg_setup_step(test_ctx, peer); break; case RENEG_HANDSHAKE: do_handshake_step(peer); break; case APPLICATION_DATA: do_app_data_step(peer); break; case SHUTDOWN: do_shutdown_step(peer); break; case CONNECTION_DONE: TEST_check(0); break; } }
static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, connect_phase_t phase) { switch (phase) { case HANDSHAKE: if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT) return RENEG_APPLICATION_DATA; return APPLICATION_DATA; case RENEG_APPLICATION_DATA: return RENEG_SETUP; case RENEG_SETUP: return RENEG_HANDSHAKE; case RENEG_HANDSHAKE: return APPLICATION_DATA; case APPLICATION_DATA: return SHUTDOWN; case SHUTDOWN: return CONNECTION_DONE; case CONNECTION_DONE: TEST_check(0); break; } return -1; }
static int parse_server_options(SSL_TEST_SERVER_CONF *server, const CONF *conf, const char *server_section) { STACK_OF(CONF_VALUE) *sk_conf; int i; size_t j; sk_conf = NCONF_get_section(conf, server_section); TEST_check(sk_conf != NULL); for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) { int found = 0; const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i); for (j = 0; j < OSSL_NELEM(ssl_test_server_options); j++) { if (strcmp(option->name, ssl_test_server_options[j].name) == 0) { if (!ssl_test_server_options[j].parse(server, option->value)) { fprintf(stderr, "Bad value %s for option %s\n", option->value, option->name); return 0; } found = 1; break; } } if (!found) { fprintf(stderr, "Unknown test option: %s\n", option->name); return 0; } } return 1; }
static SSL_TEST_CTX_TEST_FIXTURE set_up(const char *const test_case_name) { SSL_TEST_CTX_TEST_FIXTURE fixture; fixture.test_case_name = test_case_name; fixture.expected_ctx = SSL_TEST_CTX_new(); TEST_check(fixture.expected_ctx != NULL); return fixture; }
/* * Since these methods are used to create tests, we use TEST_check liberally * for malloc failures and other internal errors. */ SSL_TEST_CTX *SSL_TEST_CTX_new() { SSL_TEST_CTX *ret; ret = OPENSSL_zalloc(sizeof(*ret)); TEST_check(ret != NULL); ret->app_data_size = default_app_data_size; return ret; }
static connect_phase_t next_phase(connect_phase_t phase) { switch (phase) { case HANDSHAKE: return APPLICATION_DATA; case APPLICATION_DATA: return SHUTDOWN; case SHUTDOWN: return CONNECTION_DONE; default: TEST_check(0); /* Should never call next_phase when done. */ } }
int test_main(int argc, char **argv) { int result = 0; long num_tests; if (argc != 2) return 1; conf = NCONF_new(NULL); TEST_check(conf != NULL); /* argv[1] should point to the test conf file */ TEST_check(NCONF_load(conf, argv[1], NULL) > 0); TEST_check(NCONF_get_number_e(conf, NULL, "num_tests", &num_tests)); ADD_ALL_TESTS(test_handshake, (int)(num_tests)); result = run_tests(argv[0]); NCONF_free(conf); return result; }
static int test_good_configuration() { SETUP_SSL_TEST_CTX_TEST_FIXTURE(); fixture.test_section = "ssltest_good"; fixture.expected_ctx->method = SSL_TEST_METHOD_DTLS; fixture.expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME; fixture.expected_ctx->app_data_size = 1024; fixture.expected_ctx->max_fragment_size = 2048; fixture.expected_ctx->expected_result = SSL_TEST_SERVER_FAIL; fixture.expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA; fixture.expected_ctx->expected_server_alert = 0; /* No alert. */ fixture.expected_ctx->expected_protocol = TLS1_1_VERSION; fixture.expected_ctx->expected_servername = SSL_TEST_SERVERNAME_SERVER2; fixture.expected_ctx->session_ticket_expected = SSL_TEST_SESSION_TICKET_YES; fixture.expected_ctx->compression_expected = SSL_TEST_COMPRESSION_NO; fixture.expected_ctx->resumption_expected = 1; fixture.expected_ctx->extra.client.verify_callback = SSL_TEST_VERIFY_REJECT_ALL; fixture.expected_ctx->extra.client.servername = SSL_TEST_SERVERNAME_SERVER2; fixture.expected_ctx->extra.client.npn_protocols = OPENSSL_strdup("foo,bar"); TEST_check(fixture.expected_ctx->extra.client.npn_protocols != NULL); fixture.expected_ctx->extra.server.servername_callback = SSL_TEST_SERVERNAME_IGNORE_MISMATCH; fixture.expected_ctx->extra.server.broken_session_ticket = 1; fixture.expected_ctx->resume_extra.server2.alpn_protocols = OPENSSL_strdup("baz"); TEST_check( fixture.expected_ctx->resume_extra.server2.alpn_protocols != NULL); fixture.expected_ctx->resume_extra.client.ct_validation = SSL_TEST_CT_VALIDATION_STRICT; EXECUTE_SSL_TEST_CTX_TEST(); }
/* * The client SHOULD select the first protocol advertised by the server that it * also supports. In the event that the client doesn't support any of server's * protocols, or the server doesn't advertise any, it SHOULD select the first * protocol that it supports. */ static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { CTX_DATA *ctx_data = (CTX_DATA*)(arg); int ret; ret = SSL_select_next_proto(out, outlen, in, inlen, ctx_data->npn_protocols, ctx_data->npn_protocols_len); /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ TEST_check(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP); return SSL_TLSEXT_ERR_OK; }
int test_main(int argc, char **argv) { int result = 0; if (argc != 2) return 1; conf = NCONF_new(NULL); TEST_check(conf != NULL); /* argv[1] should point to test/ssl_test_ctx_test.conf */ TEST_check(NCONF_load(conf, argv[1], NULL) > 0); ADD_TEST(test_empty_configuration); ADD_TEST(test_good_configuration); ADD_ALL_TESTS(test_bad_configuration, OSSL_NELEM(bad_configurations)); result = run_tests(argv[0]); NCONF_free(conf); return result; }
static void do_connect_step(PEER *peer, connect_phase_t phase) { switch (phase) { case HANDSHAKE: do_handshake_step(peer); break; case APPLICATION_DATA: do_app_data_step(peer); break; case SHUTDOWN: do_shutdown_step(peer); break; default: TEST_check(0); } }
/* * RFC 5246 says: * * Note that as of TLS 1.1, * failure to properly close a connection no longer requires that a * session not be resumed. This is a change from TLS 1.0 to conform * with widespread implementation practice. * * However, * (a) OpenSSL requires that a connection be shutdown for all protocol versions. * (b) We test lower versions, too. * So we just implement shutdown. We do a full bidirectional shutdown so that we * can compare sent and received close_notify alerts and get some test coverage * for SSL_shutdown as a bonus. */ static void do_shutdown_step(PEER *peer) { int ret; TEST_check(peer->status == PEER_RETRY); ret = SSL_shutdown(peer->ssl); if (ret == 1) { peer->status = PEER_SUCCESS; } else if (ret < 0) { /* On 0, we retry. */ int error = SSL_get_error(peer->ssl, ret); /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ if (error != SSL_ERROR_WANT_READ) peer->status = PEER_ERROR; } }
/* * Note that we could do the handshake transparently under an SSL_write, * but separating the steps is more helpful for debugging test failures. */ static void do_handshake_step(PEER *peer) { int ret; TEST_check(peer->status == PEER_RETRY); ret = SSL_do_handshake(peer->ssl); if (ret == 1) { peer->status = PEER_SUCCESS; } else if (ret == 0) { peer->status = PEER_ERROR; } else { int error = SSL_get_error(peer->ssl, ret); /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ if (error != SSL_ERROR_WANT_READ) peer->status = PEER_ERROR; } }
static int test_handshake(int idx) { int ret = 0; SSL_CTX *server_ctx = NULL, *server2_ctx = NULL, *client_ctx = NULL, *resume_server_ctx = NULL, *resume_client_ctx = NULL; SSL_TEST_CTX *test_ctx = NULL; HANDSHAKE_RESULT *result = NULL; char test_app[MAX_TESTCASE_NAME_LENGTH]; BIO_snprintf(test_app, sizeof(test_app), "test-%d", idx); test_ctx = SSL_TEST_CTX_create(conf, test_app); if (test_ctx == NULL) goto err; #ifndef OPENSSL_NO_DTLS if (test_ctx->method == SSL_TEST_METHOD_DTLS) { server_ctx = SSL_CTX_new(DTLS_server_method()); if (test_ctx->extra.server.servername_callback != SSL_TEST_SERVERNAME_CB_NONE) { server2_ctx = SSL_CTX_new(DTLS_server_method()); TEST_check(server2_ctx != NULL); } client_ctx = SSL_CTX_new(DTLS_client_method()); if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) { resume_server_ctx = SSL_CTX_new(DTLS_server_method()); resume_client_ctx = SSL_CTX_new(DTLS_client_method()); TEST_check(resume_server_ctx != NULL); TEST_check(resume_client_ctx != NULL); } } #endif if (test_ctx->method == SSL_TEST_METHOD_TLS) { server_ctx = SSL_CTX_new(TLS_server_method()); /* SNI on resumption isn't supported/tested yet. */ if (test_ctx->extra.server.servername_callback != SSL_TEST_SERVERNAME_CB_NONE) { server2_ctx = SSL_CTX_new(TLS_server_method()); TEST_check(server2_ctx != NULL); } client_ctx = SSL_CTX_new(TLS_client_method()); if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) { resume_server_ctx = SSL_CTX_new(TLS_server_method()); resume_client_ctx = SSL_CTX_new(TLS_client_method()); TEST_check(resume_server_ctx != NULL); TEST_check(resume_client_ctx != NULL); } } TEST_check(server_ctx != NULL); TEST_check(client_ctx != NULL); TEST_check(CONF_modules_load(conf, test_app, 0) > 0); if (!SSL_CTX_config(server_ctx, "server") || !SSL_CTX_config(client_ctx, "client")) { goto err; } if (server2_ctx != NULL && !SSL_CTX_config(server2_ctx, "server2")) goto err; if (resume_server_ctx != NULL && !SSL_CTX_config(resume_server_ctx, "resume-server")) goto err; if (resume_client_ctx != NULL && !SSL_CTX_config(resume_client_ctx, "resume-client")) goto err; result = do_handshake(server_ctx, server2_ctx, client_ctx, resume_server_ctx, resume_client_ctx, test_ctx); ret = check_test(result, test_ctx); err: CONF_modules_unload(0); SSL_CTX_free(server_ctx); SSL_CTX_free(server2_ctx); SSL_CTX_free(client_ctx); SSL_CTX_free(resume_server_ctx); SSL_CTX_free(resume_client_ctx); SSL_TEST_CTX_free(test_ctx); HANDSHAKE_RESULT_free(result); return ret; }
SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section) { STACK_OF(CONF_VALUE) *sk_conf; SSL_TEST_CTX *ctx; int i; size_t j; sk_conf = NCONF_get_section(conf, test_section); TEST_check(sk_conf != NULL); ctx = SSL_TEST_CTX_new(); TEST_check(ctx != NULL); for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) { int found = 0; const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i); /* Subsections */ if (strcmp(option->name, "client") == 0) { if (!parse_client_options(&ctx->extra.client, conf, option->value)) goto err; } else if (strcmp(option->name, "server") == 0) { if (!parse_server_options(&ctx->extra.server, conf, option->value)) goto err; } else if (strcmp(option->name, "server2") == 0) { if (!parse_server_options(&ctx->extra.server2, conf, option->value)) goto err; } else if (strcmp(option->name, "resume-client") == 0) { if (!parse_client_options(&ctx->resume_extra.client, conf, option->value)) goto err; } else if (strcmp(option->name, "resume-server") == 0) { if (!parse_server_options(&ctx->resume_extra.server, conf, option->value)) goto err; } else if (strcmp(option->name, "resume-server2") == 0) { if (!parse_server_options(&ctx->resume_extra.server2, conf, option->value)) goto err; } else { for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) { if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) { if (!ssl_test_ctx_options[j].parse(ctx, option->value)) { fprintf(stderr, "Bad value %s for option %s\n", option->value, option->name); goto err; } found = 1; break; } } if (!found) { fprintf(stderr, "Unknown test option: %s\n", option->name); goto err; } } } goto done; err: SSL_TEST_CTX_free(ctx); ctx = NULL; done: return ctx; }
static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) { int ret; char buf; TEST_check(peer->status == PEER_RETRY); TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT); /* Check if we are the peer that is going to initiate */ if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER && SSL_is_server(peer->ssl)) || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT && !SSL_is_server(peer->ssl))) { /* * If we already asked for a renegotiation then fall through to the * SSL_read() below. */ if (!SSL_renegotiate_pending(peer->ssl)) { /* * If we are the client we will always attempt to resume the * session. The server may or may not resume dependant on the * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION */ if (SSL_is_server(peer->ssl)) ret = SSL_renegotiate(peer->ssl); else ret = SSL_renegotiate_abbreviated(peer->ssl); if (!ret) { peer->status = PEER_ERROR; return; } do_handshake_step(peer); /* * If status is PEER_RETRY it means we're waiting on the peer to * continue the handshake. As far as setting up the renegotiation is * concerned that is a success. The next step will continue the * handshake to its conclusion. * * If status is PEER_SUCCESS then we are the server and we have * successfully sent the HelloRequest. We need to continue to wait * until the handshake arrives from the client. */ if (peer->status == PEER_RETRY) peer->status = PEER_SUCCESS; else if (peer->status == PEER_SUCCESS) peer->status = PEER_RETRY; return; } } /* * The SSL object is still expecting app data, even though it's going to * get a handshake message. We try to read, and it should fail - after which * we should be in a handshake */ ret = SSL_read(peer->ssl, &buf, sizeof(buf)); if (ret >= 0) { /* * We're not actually expecting data - we're expecting a reneg to * start */ peer->status = PEER_ERROR; return; } else { int error = SSL_get_error(peer->ssl, ret); if (error != SSL_ERROR_WANT_READ) { peer->status = PEER_ERROR; return; } /* If we're no in init yet then we're not done with setup yet */ if (!SSL_in_init(peer->ssl)) return; } peer->status = PEER_SUCCESS; }
HANDSHAKE_RESULT *HANDSHAKE_RESULT_new() { HANDSHAKE_RESULT *ret = OPENSSL_zalloc(sizeof(*ret)); TEST_check(ret != NULL); return ret; }
/* * Note that |extra| points to the correct client/server configuration * within |test_ctx|. When configuring the handshake, general mode settings * are taken from |test_ctx|, and client/server-specific settings should be * taken from |extra|. * * The configuration code should never reach into |test_ctx->extra| or * |test_ctx->resume_extra| directly. * * (We could refactor test mode settings into a substructure. This would result * in cleaner argument passing but would complicate the test configuration * parsing.) */ static HANDSHAKE_RESULT *do_handshake_internal( SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, SSL_SESSION *session_in, SSL_SESSION **session_out) { PEER server, client; BIO *client_to_server, *server_to_client; HANDSHAKE_EX_DATA server_ex_data, client_ex_data; CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); int client_turn = 1; connect_phase_t phase = HANDSHAKE; handshake_status_t status = HANDSHAKE_RETRY; const unsigned char* tick = NULL; size_t tick_len = 0; SSL_SESSION* sess = NULL; const unsigned char *proto = NULL; /* API dictates unsigned int rather than size_t. */ unsigned int proto_len = 0; memset(&server_ctx_data, 0, sizeof(server_ctx_data)); memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); memset(&client_ctx_data, 0, sizeof(client_ctx_data)); memset(&server, 0, sizeof(server)); memset(&client, 0, sizeof(client)); configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, test_ctx, extra, &server_ctx_data, &server2_ctx_data, &client_ctx_data); /* Setup SSL and buffers; additional configuration happens below. */ create_peer(&server, server_ctx); create_peer(&client, client_ctx); server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; configure_handshake_ssl(server.ssl, client.ssl, extra); if (session_in != NULL) { /* In case we're testing resumption without tickets. */ TEST_check(SSL_CTX_add_session(server_ctx, session_in)); TEST_check(SSL_set_session(client.ssl, session_in)); } memset(&server_ex_data, 0, sizeof(server_ex_data)); memset(&client_ex_data, 0, sizeof(client_ex_data)); ret->result = SSL_TEST_INTERNAL_ERROR; client_to_server = BIO_new(BIO_s_mem()); server_to_client = BIO_new(BIO_s_mem()); TEST_check(client_to_server != NULL); TEST_check(server_to_client != NULL); /* Non-blocking bio. */ BIO_set_nbio(client_to_server, 1); BIO_set_nbio(server_to_client, 1); SSL_set_connect_state(client.ssl); SSL_set_accept_state(server.ssl); /* The bios are now owned by the SSL object. */ SSL_set_bio(client.ssl, server_to_client, client_to_server); TEST_check(BIO_up_ref(server_to_client) > 0); TEST_check(BIO_up_ref(client_to_server) > 0); SSL_set_bio(server.ssl, client_to_server, server_to_client); ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); TEST_check(ex_data_idx >= 0); TEST_check(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data) == 1); TEST_check(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data) == 1); SSL_set_info_callback(server.ssl, &info_cb); SSL_set_info_callback(client.ssl, &info_cb); client.status = server.status = PEER_RETRY; /* * Half-duplex handshake loop. * Client and server speak to each other synchronously in the same process. * We use non-blocking BIOs, so whenever one peer blocks for read, it * returns PEER_RETRY to indicate that it's the other peer's turn to write. * The handshake succeeds once both peers have succeeded. If one peer * errors out, we also let the other peer retry (and presumably fail). */ for(;;) { if (client_turn) { do_connect_step(&client, phase); status = handshake_status(client.status, server.status, 1 /* client went last */); } else { do_connect_step(&server, phase); status = handshake_status(server.status, client.status, 0 /* server went last */); } switch (status) { case HANDSHAKE_SUCCESS: phase = next_phase(phase); if (phase == CONNECTION_DONE) { ret->result = SSL_TEST_SUCCESS; goto err; } else { client.status = server.status = PEER_RETRY; /* * For now, client starts each phase. Since each phase is * started separately, we can later control this more * precisely, for example, to test client-initiated and * server-initiated shutdown. */ client_turn = 1; break; } case CLIENT_ERROR: ret->result = SSL_TEST_CLIENT_FAIL; goto err; case SERVER_ERROR: ret->result = SSL_TEST_SERVER_FAIL; goto err; case INTERNAL_ERROR: ret->result = SSL_TEST_INTERNAL_ERROR; goto err; case HANDSHAKE_RETRY: /* Continue. */ client_turn ^= 1; break; } } err: ret->server_alert_sent = server_ex_data.alert_sent; ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; ret->server_alert_received = client_ex_data.alert_received; ret->client_alert_sent = client_ex_data.alert_sent; ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; ret->client_alert_received = server_ex_data.alert_received; ret->server_protocol = SSL_version(server.ssl); ret->client_protocol = SSL_version(client.ssl); ret->servername = server_ex_data.servername; if ((sess = SSL_get0_session(client.ssl)) != NULL) SSL_SESSION_get0_ticket(sess, &tick, &tick_len); if (tick == NULL || tick_len == 0) ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; else ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; #ifndef OPENSSL_NO_NEXTPROTONEG SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); ret->client_npn_negotiated = dup_str(proto, proto_len); SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); ret->server_npn_negotiated = dup_str(proto, proto_len); #endif SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); ret->client_alpn_negotiated = dup_str(proto, proto_len); SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); ret->server_alpn_negotiated = dup_str(proto, proto_len); ret->client_resumed = SSL_session_reused(client.ssl); ret->server_resumed = SSL_session_reused(server.ssl); if (session_out != NULL) *session_out = SSL_get1_session(client.ssl); ctx_data_free_data(&server_ctx_data); ctx_data_free_data(&server2_ctx_data); ctx_data_free_data(&client_ctx_data); peer_free_data(&server); peer_free_data(&client); return ret; }
/* * Configure callbacks and other properties that can't be set directly * in the server/client CONF. */ static void configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, const SSL_TEST_CTX *test, const SSL_TEST_EXTRA_CONF *extra, CTX_DATA *server_ctx_data, CTX_DATA *server2_ctx_data, CTX_DATA *client_ctx_data) { unsigned char *ticket_keys; size_t ticket_key_len; TEST_check(SSL_CTX_set_max_send_fragment(server_ctx, test->max_fragment_size) == 1); if (server2_ctx != NULL) { TEST_check(SSL_CTX_set_max_send_fragment(server2_ctx, test->max_fragment_size) == 1); } TEST_check(SSL_CTX_set_max_send_fragment(client_ctx, test->max_fragment_size) == 1); switch (extra->client.verify_callback) { case SSL_TEST_VERIFY_ACCEPT_ALL: SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); break; case SSL_TEST_VERIFY_REJECT_ALL: SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); break; default: break; } /* link the two contexts for SNI purposes */ switch (extra->server.servername_callback) { case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); break; case SSL_TEST_SERVERNAME_REJECT_MISMATCH: SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); break; default: break; } /* * The initial_ctx/session_ctx always handles the encrypt/decrypt of the * session ticket. This ticket_key callback is assigned to the second * session (assigned via SNI), and should never be invoked */ if (server2_ctx != NULL) SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx, do_not_call_session_ticket_cb); if (extra->server.broken_session_ticket) { SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb); } #ifndef OPENSSL_NO_NEXTPROTONEG if (extra->server.npn_protocols != NULL) { parse_protos(extra->server.npn_protocols, &server_ctx_data->npn_protocols, &server_ctx_data->npn_protocols_len); SSL_CTX_set_next_protos_advertised_cb(server_ctx, server_npn_cb, server_ctx_data); } if (extra->server2.npn_protocols != NULL) { parse_protos(extra->server2.npn_protocols, &server2_ctx_data->npn_protocols, &server2_ctx_data->npn_protocols_len); TEST_check(server2_ctx != NULL); SSL_CTX_set_next_protos_advertised_cb(server2_ctx, server_npn_cb, server2_ctx_data); } if (extra->client.npn_protocols != NULL) { parse_protos(extra->client.npn_protocols, &client_ctx_data->npn_protocols, &client_ctx_data->npn_protocols_len); SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, client_ctx_data); } #endif if (extra->server.alpn_protocols != NULL) { parse_protos(extra->server.alpn_protocols, &server_ctx_data->alpn_protocols, &server_ctx_data->alpn_protocols_len); SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); } if (extra->server2.alpn_protocols != NULL) { TEST_check(server2_ctx != NULL); parse_protos(extra->server2.alpn_protocols, &server2_ctx_data->alpn_protocols, &server2_ctx_data->alpn_protocols_len); SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, server2_ctx_data); } if (extra->client.alpn_protocols != NULL) { unsigned char *alpn_protos = NULL; size_t alpn_protos_len; parse_protos(extra->client.alpn_protocols, &alpn_protos, &alpn_protos_len); /* Reversed return value convention... */ TEST_check(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, alpn_protos_len) == 0); OPENSSL_free(alpn_protos); } /* * Use fixed session ticket keys so that we can decrypt a ticket created with * one CTX in another CTX. Don't address server2 for the moment. */ ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); ticket_keys = OPENSSL_zalloc(ticket_key_len); TEST_check(ticket_keys != NULL); TEST_check(SSL_CTX_set_tlsext_ticket_keys(server_ctx, ticket_keys, ticket_key_len) == 1); OPENSSL_free(ticket_keys); /* The default log list includes EC keys, so CT can't work without EC. */ #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) TEST_check(SSL_CTX_set_default_ctlog_list_file(client_ctx)); switch (extra->client.ct_validation) { case SSL_TEST_CT_VALIDATION_PERMISSIVE: TEST_check(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_PERMISSIVE)); break; case SSL_TEST_CT_VALIDATION_STRICT: TEST_check(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)); break; case SSL_TEST_CT_VALIDATION_NONE: break; } #endif }