/* * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include #include #include #include #include #include #include "ssltestlib.h" #include "testutil.h" #include "internal/nelem.h" #include "../ssl/ssl_locl.h" static char *cert = NULL; static char *privkey = NULL; #define LOG_BUFFER_SIZE 1024 static char server_log_buffer[LOG_BUFFER_SIZE + 1] = {0}; static size_t server_log_buffer_index = 0; static char client_log_buffer[LOG_BUFFER_SIZE + 1] = {0}; static size_t client_log_buffer_index = 0; static int error_writing_log = 0; #ifndef OPENSSL_NO_OCSP static const unsigned char orespder[] = "Dummy OCSP Response"; static int ocsp_server_called = 0; static int ocsp_client_called = 0; static int cdummyarg = 1; static X509 *ocspcert = NULL; #endif #define NUM_EXTRA_CERTS 40 #define CLIENT_VERSION_LEN 2 /* * This structure is used to validate that the correct number of log messages * of various types are emitted when emitting secret logs. */ struct sslapitest_log_counts { unsigned int rsa_key_exchange_count; unsigned int master_secret_count; unsigned int client_handshake_secret_count; unsigned int server_handshake_secret_count; unsigned int client_application_secret_count; unsigned int server_application_secret_count; }; static unsigned char serverinfov1[] = { 0xff, 0xff, /* Dummy extension type */ 0x00, 0x01, /* Extension length is 1 byte */ 0xff /* Dummy extension data */ }; static unsigned char serverinfov2[] = { 0x00, 0x00, 0x00, (unsigned char)(SSL_EXT_CLIENT_HELLO & 0xff), /* Dummy context - 4 bytes */ 0xff, 0xff, /* Dummy extension type */ 0x00, 0x01, /* Extension length is 1 byte */ 0xff /* Dummy extension data */ }; static void client_keylog_callback(const SSL *ssl, const char *line) { int line_length = strlen(line); /* If the log doesn't fit, error out. */ if (client_log_buffer_index + line_length > sizeof(client_log_buffer) - 1) { TEST_info("Client log too full"); error_writing_log = 1; return; } strcat(client_log_buffer, line); client_log_buffer_index += line_length; client_log_buffer[client_log_buffer_index++] = '\n'; } static void server_keylog_callback(const SSL *ssl, const char *line) { int line_length = strlen(line); /* If the log doesn't fit, error out. */ if (server_log_buffer_index + line_length > sizeof(server_log_buffer) - 1) { TEST_info("Server log too full"); error_writing_log = 1; return; } strcat(server_log_buffer, line); server_log_buffer_index += line_length; server_log_buffer[server_log_buffer_index++] = '\n'; } static int compare_hex_encoded_buffer(const char *hex_encoded, size_t hex_length, const uint8_t *raw, size_t raw_length) { size_t i, j; char hexed[3]; if (!TEST_size_t_eq(raw_length * 2, hex_length)) return 1; for (i = j = 0; i < raw_length && j + 1 < hex_length; i++, j += 2) { sprintf(hexed, "%02x", raw[i]); if (!TEST_int_eq(hexed[0], hex_encoded[j]) || !TEST_int_eq(hexed[1], hex_encoded[j + 1])) return 1; } return 0; } static int test_keylog_output(char *buffer, const SSL *ssl, const SSL_SESSION *session, struct sslapitest_log_counts *expected) { char *token = NULL; unsigned char actual_client_random[SSL3_RANDOM_SIZE] = {0}; size_t client_random_size = SSL3_RANDOM_SIZE; unsigned char actual_master_key[SSL_MAX_MASTER_KEY_LENGTH] = {0}; size_t master_key_size = SSL_MAX_MASTER_KEY_LENGTH; unsigned int rsa_key_exchange_count = 0; unsigned int master_secret_count = 0; unsigned int client_handshake_secret_count = 0; unsigned int server_handshake_secret_count = 0; unsigned int client_application_secret_count = 0; unsigned int server_application_secret_count = 0; for (token = strtok(buffer, " \n"); token != NULL; token = strtok(NULL, " \n")) { if (strcmp(token, "RSA") == 0) { /* * Premaster secret. Tokens should be: 16 ASCII bytes of * hex-encoded encrypted secret, then the hex-encoded pre-master * secret. */ if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; if (!TEST_size_t_eq(strlen(token), 16)) return 0; if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; /* * We can't sensibly check the log because the premaster secret is * transient, and OpenSSL doesn't keep hold of it once the master * secret is generated. */ rsa_key_exchange_count++; } else if (strcmp(token, "CLIENT_RANDOM") == 0) { /* * Master secret. Tokens should be: 64 ASCII bytes of hex-encoded * client random, then the hex-encoded master secret. */ client_random_size = SSL_get_client_random(ssl, actual_client_random, SSL3_RANDOM_SIZE); if (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE)) return 0; if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; if (!TEST_size_t_eq(strlen(token), 64)) return 0; if (!TEST_false(compare_hex_encoded_buffer(token, 64, actual_client_random, client_random_size))) return 0; if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; master_key_size = SSL_SESSION_get_master_key(session, actual_master_key, master_key_size); if (!TEST_size_t_ne(master_key_size, 0)) return 0; if (!TEST_false(compare_hex_encoded_buffer(token, strlen(token), actual_master_key, master_key_size))) return 0; master_secret_count++; } else if (strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0 || strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0 || strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0 || strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0) { /* * TLSv1.3 secret. Tokens should be: 64 ASCII bytes of hex-encoded * client random, and then the hex-encoded secret. In this case, * we treat all of these secrets identically and then just * distinguish between them when counting what we saw. */ if (strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0) client_handshake_secret_count++; else if (strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0) server_handshake_secret_count++; else if (strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0) client_application_secret_count++; else if (strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0) server_application_secret_count++; client_random_size = SSL_get_client_random(ssl, actual_client_random, SSL3_RANDOM_SIZE); if (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE)) return 0; if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; if (!TEST_size_t_eq(strlen(token), 64)) return 0; if (!TEST_false(compare_hex_encoded_buffer(token, 64, actual_client_random, client_random_size))) return 0; if (!TEST_ptr(token = strtok(NULL, " \n"))) return 0; /* * TODO(TLS1.3): test that application traffic secrets are what * we expect */ } else { TEST_info("Unexpected token %s\n", token); return 0; } } /* Got what we expected? */ if (!TEST_size_t_eq(rsa_key_exchange_count, expected->rsa_key_exchange_count) || !TEST_size_t_eq(master_secret_count, expected->master_secret_count) || !TEST_size_t_eq(client_handshake_secret_count, expected->client_handshake_secret_count) || !TEST_size_t_eq(server_handshake_secret_count, expected->server_handshake_secret_count) || !TEST_size_t_eq(client_application_secret_count, expected->client_application_secret_count) || !TEST_size_t_eq(server_application_secret_count, expected->server_application_secret_count)) return 0; return 1; } static int test_keylog(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; struct sslapitest_log_counts expected = {0}; /* Clean up logging space */ memset(client_log_buffer, 0, sizeof(client_log_buffer)); memset(server_log_buffer, 0, sizeof(server_log_buffer)); client_log_buffer_index = 0; server_log_buffer_index = 0; error_writing_log = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) return 0; /* We cannot log the master secret for TLSv1.3, so we should forbid it. */ SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3); SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3); /* We also want to ensure that we use RSA-based key exchange. */ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "RSA"))) goto end; if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL) || !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL)) goto end; SSL_CTX_set_keylog_callback(cctx, client_keylog_callback); if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == client_keylog_callback)) goto end; SSL_CTX_set_keylog_callback(sctx, server_keylog_callback); if (!TEST_true(SSL_CTX_get_keylog_callback(sctx) == server_keylog_callback)) goto end; /* Now do a handshake and check that the logs have been written to. */ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_false(error_writing_log) || !TEST_int_gt(client_log_buffer_index, 0) || !TEST_int_gt(server_log_buffer_index, 0)) goto end; /* * Now we want to test that our output data was vaguely sensible. We * do that by using strtok and confirming that we have more or less the * data we expect. For both client and server, we expect to see one master * secret. The client should also see a RSA key exchange. */ expected.rsa_key_exchange_count = 1; expected.master_secret_count = 1; if (!TEST_true(test_keylog_output(client_log_buffer, clientssl, SSL_get_session(clientssl), &expected))) goto end; expected.rsa_key_exchange_count = 0; if (!TEST_true(test_keylog_output(server_log_buffer, serverssl, SSL_get_session(serverssl), &expected))) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #ifndef OPENSSL_NO_TLS1_3 static int test_keylog_no_master_key(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; struct sslapitest_log_counts expected = {0}; /* Clean up logging space */ memset(client_log_buffer, 0, sizeof(client_log_buffer)); memset(server_log_buffer, 0, sizeof(server_log_buffer)); client_log_buffer_index = 0; server_log_buffer_index = 0; error_writing_log = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) return 0; if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL) || !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL)) goto end; SSL_CTX_set_keylog_callback(cctx, client_keylog_callback); if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == client_keylog_callback)) goto end; SSL_CTX_set_keylog_callback(sctx, server_keylog_callback); if (!TEST_true(SSL_CTX_get_keylog_callback(sctx) == server_keylog_callback)) goto end; /* Now do a handshake and check that the logs have been written to. */ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_false(error_writing_log)) goto end; /* * Now we want to test that our output data was vaguely sensible. For this * test, we expect no CLIENT_RANDOM entry because it doesn't make sense for * TLSv1.3, but we do expect both client and server to emit keys. */ expected.client_handshake_secret_count = 1; expected.server_handshake_secret_count = 1; expected.client_application_secret_count = 1; expected.server_application_secret_count = 1; if (!TEST_true(test_keylog_output(client_log_buffer, clientssl, SSL_get_session(clientssl), &expected)) || !TEST_true(test_keylog_output(server_log_buffer, serverssl, SSL_get_session(serverssl), &expected))) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #endif #ifndef OPENSSL_NO_TLS1_2 static int full_client_hello_callback(SSL *s, int *al, void *arg) { int *ctr = arg; const unsigned char *p; int *exts; /* We only configure two ciphers, but the SCSV is added automatically. */ #ifdef OPENSSL_NO_EC const unsigned char expected_ciphers[] = {0x00, 0x9d, 0x00, 0xff}; #else const unsigned char expected_ciphers[] = {0x00, 0x9d, 0xc0, 0x2c, 0x00, 0xff}; #endif const int expected_extensions[] = { #ifndef OPENSSL_NO_EC 11, 10, #endif 35, 22, 23, 13}; size_t len; /* Make sure we can defer processing and get called back. */ if ((*ctr)++ == 0) return SSL_CLIENT_HELLO_RETRY; len = SSL_client_hello_get0_ciphers(s, &p); if (!TEST_mem_eq(p, len, expected_ciphers, sizeof(expected_ciphers)) || !TEST_size_t_eq( SSL_client_hello_get0_compression_methods(s, &p), 1) || !TEST_int_eq(*p, 0)) return SSL_CLIENT_HELLO_ERROR; if (!SSL_client_hello_get1_extensions_present(s, &exts, &len)) return SSL_CLIENT_HELLO_ERROR; if (len != OSSL_NELEM(expected_extensions) || memcmp(exts, expected_extensions, len * sizeof(*exts)) != 0) { printf("ClientHello callback expected extensions mismatch\n"); OPENSSL_free(exts); return SSL_CLIENT_HELLO_ERROR; } OPENSSL_free(exts); return SSL_CLIENT_HELLO_SUCCESS; } static int test_client_hello_cb(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testctr = 0, testresult = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) goto end; SSL_CTX_set_client_hello_cb(sctx, full_client_hello_callback, &testctr); /* The gimpy cipher list we configure can't do TLS 1.3. */ SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION); if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_false(create_ssl_connection(serverssl, clientssl, SSL_ERROR_WANT_CLIENT_HELLO_CB)) /* * Passing a -1 literal is a hack since * the real value was lost. * */ || !TEST_int_eq(SSL_get_error(serverssl, -1), SSL_ERROR_WANT_CLIENT_HELLO_CB) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #endif static int execute_test_large_message(const SSL_METHOD *smeth, const SSL_METHOD *cmeth, int read_ahead) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; int i; BIO *certbio = NULL; X509 *chaincert = NULL; int certlen; if (!TEST_ptr(certbio = BIO_new_file(cert, "r"))) goto end; chaincert = PEM_read_bio_X509(certbio, NULL, NULL, NULL); BIO_free(certbio); certbio = NULL; if (!TEST_ptr(chaincert)) goto end; if (!TEST_true(create_ssl_ctx_pair(smeth, cmeth, &sctx, &cctx, cert, privkey))) goto end; if (read_ahead) { /* * Test that read_ahead works correctly when dealing with large * records */ SSL_CTX_set_read_ahead(cctx, 1); } /* * We assume the supplied certificate is big enough so that if we add * NUM_EXTRA_CERTS it will make the overall message large enough. The * default buffer size is requested to be 16k, but due to the way BUF_MEM * works, it ends up allocating a little over 21k (16 * 4/3). So, in this * test we need to have a message larger than that. */ certlen = i2d_X509(chaincert, NULL); OPENSSL_assert(certlen * NUM_EXTRA_CERTS > (SSL3_RT_MAX_PLAIN_LENGTH * 4) / 3); for (i = 0; i < NUM_EXTRA_CERTS; i++) { if (!X509_up_ref(chaincert)) goto end; if (!SSL_CTX_add_extra_chain_cert(sctx, chaincert)) { X509_free(chaincert); goto end; } } if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; /* * Calling SSL_clear() first is not required but this tests that SSL_clear() * doesn't leak (when using enable-crypto-mdebug). */ if (!TEST_true(SSL_clear(serverssl))) goto end; testresult = 1; end: X509_free(chaincert); SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } static int test_large_message_tls(void) { return execute_test_large_message(TLS_server_method(), TLS_client_method(), 0); } static int test_large_message_tls_read_ahead(void) { return execute_test_large_message(TLS_server_method(), TLS_client_method(), 1); } #ifndef OPENSSL_NO_DTLS static int test_large_message_dtls(void) { /* * read_ahead is not relevant to DTLS because DTLS always acts as if * read_ahead is set. */ return execute_test_large_message(DTLS_server_method(), DTLS_client_method(), 0); } #endif #ifndef OPENSSL_NO_OCSP static int ocsp_server_cb(SSL *s, void *arg) { int *argi = (int *)arg; unsigned char *copy = NULL; STACK_OF(OCSP_RESPID) *ids = NULL; OCSP_RESPID *id = NULL; if (*argi == 2) { /* In this test we are expecting exactly 1 OCSP_RESPID */ SSL_get_tlsext_status_ids(s, &ids); if (ids == NULL || sk_OCSP_RESPID_num(ids) != 1) return SSL_TLSEXT_ERR_ALERT_FATAL; id = sk_OCSP_RESPID_value(ids, 0); if (id == NULL || !OCSP_RESPID_match(id, ocspcert)) return SSL_TLSEXT_ERR_ALERT_FATAL; } else if (*argi != 1) { return SSL_TLSEXT_ERR_ALERT_FATAL; } if (!TEST_ptr(copy = OPENSSL_memdup(orespder, sizeof(orespder)))) return SSL_TLSEXT_ERR_ALERT_FATAL; SSL_set_tlsext_status_ocsp_resp(s, copy, sizeof(orespder)); ocsp_server_called = 1; return SSL_TLSEXT_ERR_OK; } static int ocsp_client_cb(SSL *s, void *arg) { int *argi = (int *)arg; const unsigned char *respderin; size_t len; if (*argi != 1 && *argi != 2) return 0; len = SSL_get_tlsext_status_ocsp_resp(s, &respderin); if (!TEST_mem_eq(orespder, len, respderin, len)) return 0; ocsp_client_called = 1; return 1; } static int test_tlsext_status_type(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; STACK_OF(OCSP_RESPID) *ids = NULL; OCSP_RESPID *id = NULL; BIO *certbio = NULL; if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) return 0; if (SSL_CTX_get_tlsext_status_type(cctx) != -1) goto end; /* First just do various checks getting and setting tlsext_status_type */ clientssl = SSL_new(cctx); if (!TEST_int_eq(SSL_get_tlsext_status_type(clientssl), -1) || !TEST_true(SSL_set_tlsext_status_type(clientssl, TLSEXT_STATUSTYPE_ocsp)) || !TEST_int_eq(SSL_get_tlsext_status_type(clientssl), TLSEXT_STATUSTYPE_ocsp)) goto end; SSL_free(clientssl); clientssl = NULL; if (!SSL_CTX_set_tlsext_status_type(cctx, TLSEXT_STATUSTYPE_ocsp) || SSL_CTX_get_tlsext_status_type(cctx) != TLSEXT_STATUSTYPE_ocsp) goto end; clientssl = SSL_new(cctx); if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp) goto end; SSL_free(clientssl); clientssl = NULL; /* * Now actually do a handshake and check OCSP information is exchanged and * the callbacks get called */ SSL_CTX_set_tlsext_status_cb(cctx, ocsp_client_cb); SSL_CTX_set_tlsext_status_arg(cctx, &cdummyarg); SSL_CTX_set_tlsext_status_cb(sctx, ocsp_server_cb); SSL_CTX_set_tlsext_status_arg(sctx, &cdummyarg); if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(ocsp_client_called) || !TEST_true(ocsp_server_called)) goto end; SSL_free(serverssl); SSL_free(clientssl); serverssl = NULL; clientssl = NULL; /* Try again but this time force the server side callback to fail */ ocsp_client_called = 0; ocsp_server_called = 0; cdummyarg = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) /* This should fail because the callback will fail */ || !TEST_false(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_false(ocsp_client_called) || !TEST_false(ocsp_server_called)) goto end; SSL_free(serverssl); SSL_free(clientssl); serverssl = NULL; clientssl = NULL; /* * This time we'll get the client to send an OCSP_RESPID that it will * accept. */ ocsp_client_called = 0; ocsp_server_called = 0; cdummyarg = 2; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL))) goto end; /* * We'll just use any old cert for this test - it doesn't have to be an OCSP * specific one. We'll use the server cert. */ if (!TEST_ptr(certbio = BIO_new_file(cert, "r")) || !TEST_ptr(id = OCSP_RESPID_new()) || !TEST_ptr(ids = sk_OCSP_RESPID_new_null()) || !TEST_ptr(ocspcert = PEM_read_bio_X509(certbio, NULL, NULL, NULL)) || !TEST_true(OCSP_RESPID_set_by_key(id, ocspcert)) || !TEST_true(sk_OCSP_RESPID_push(ids, id))) goto end; id = NULL; SSL_set_tlsext_status_ids(clientssl, ids); /* Control has been transferred */ ids = NULL; BIO_free(certbio); certbio = NULL; if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(ocsp_client_called) || !TEST_true(ocsp_server_called)) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); sk_OCSP_RESPID_pop_free(ids, OCSP_RESPID_free); OCSP_RESPID_free(id); BIO_free(certbio); X509_free(ocspcert); ocspcert = NULL; return testresult; } #endif #if !defined(OPENSSL_NO_TLS1_3) || !defined(OPENSSL_NO_TLS1_2) static int new_called, remove_called, get_called; static int new_session_cb(SSL *ssl, SSL_SESSION *sess) { new_called++; /* * sess has been up-refed for us, but we don't actually need it so free it * immediately. */ SSL_SESSION_free(sess); return 1; } static void remove_session_cb(SSL_CTX *ctx, SSL_SESSION *sess) { remove_called++; } static SSL_SESSION *get_sess_val = NULL; static SSL_SESSION *get_session_cb(SSL *ssl, const unsigned char *id, int len, int *copy) { get_called++; *copy = 1; return get_sess_val; } static int execute_test_session(int maxprot, int use_int_cache, int use_ext_cache) { SSL_CTX *sctx = NULL, *cctx = NULL; SSL *serverssl1 = NULL, *clientssl1 = NULL; SSL *serverssl2 = NULL, *clientssl2 = NULL; # ifndef OPENSSL_NO_TLS1_1 SSL *serverssl3 = NULL, *clientssl3 = NULL; # endif SSL_SESSION *sess1 = NULL, *sess2 = NULL; int testresult = 0; new_called = remove_called = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) return 0; /* * Only allow the max protocol version so we can force a connection failure * later */ SSL_CTX_set_min_proto_version(cctx, maxprot); SSL_CTX_set_max_proto_version(cctx, maxprot); /* Set up session cache */ if (use_ext_cache) { SSL_CTX_sess_set_new_cb(cctx, new_session_cb); SSL_CTX_sess_set_remove_cb(cctx, remove_session_cb); } if (use_int_cache) { /* Also covers instance where both are set */ SSL_CTX_set_session_cache_mode(cctx, SSL_SESS_CACHE_CLIENT); } else { SSL_CTX_set_session_cache_mode(cctx, SSL_SESS_CACHE_CLIENT | SSL_SESS_CACHE_NO_INTERNAL_STORE); } if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl1, clientssl1, SSL_ERROR_NONE)) || !TEST_ptr(sess1 = SSL_get1_session(clientssl1))) goto end; /* Should fail because it should already be in the cache */ if (use_int_cache && !TEST_false(SSL_CTX_add_session(cctx, sess1))) goto end; if (use_ext_cache && (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 0))) goto end; new_called = remove_called = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2, &clientssl2, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl2, sess1)) || !TEST_true(create_ssl_connection(serverssl2, clientssl2, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl2))) goto end; if (maxprot == TLS1_3_VERSION) { /* * In TLSv1.3 we should have created a new session even though we have * resumed. The original session should also have been removed. */ if (use_ext_cache && (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 1))) goto end; } else { /* * In TLSv1.2 we expect to have resumed so no sessions added or * removed. */ if (use_ext_cache && (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 0))) goto end; } SSL_SESSION_free(sess1); if (!TEST_ptr(sess1 = SSL_get1_session(clientssl2))) goto end; shutdown_ssl_connection(serverssl2, clientssl2); serverssl2 = clientssl2 = NULL; new_called = remove_called = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2, &clientssl2, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl2, clientssl2, SSL_ERROR_NONE))) goto end; if (!TEST_ptr(sess2 = SSL_get1_session(clientssl2))) goto end; if (use_ext_cache && (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 0))) goto end; new_called = remove_called = 0; /* * This should clear sess2 from the cache because it is a "bad" session. * See SSL_set_session() documentation. */ if (!TEST_true(SSL_set_session(clientssl2, sess1))) goto end; if (use_ext_cache && (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1))) goto end; if (!TEST_ptr_eq(SSL_get_session(clientssl2), sess1)) goto end; if (use_int_cache) { /* Should succeeded because it should not already be in the cache */ if (!TEST_true(SSL_CTX_add_session(cctx, sess2)) || !TEST_true(SSL_CTX_remove_session(cctx, sess2))) goto end; } new_called = remove_called = 0; /* This shouldn't be in the cache so should fail */ if (!TEST_false(SSL_CTX_remove_session(cctx, sess2))) goto end; if (use_ext_cache && (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1))) goto end; # if !defined(OPENSSL_NO_TLS1_1) new_called = remove_called = 0; /* Force a connection failure */ SSL_CTX_set_max_proto_version(sctx, TLS1_1_VERSION); if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl3, &clientssl3, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl3, sess1)) /* This should fail because of the mismatched protocol versions */ || !TEST_false(create_ssl_connection(serverssl3, clientssl3, SSL_ERROR_NONE))) goto end; /* We should have automatically removed the session from the cache */ if (use_ext_cache && (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 1))) goto end; /* Should succeed because it should not already be in the cache */ if (use_int_cache && !TEST_true(SSL_CTX_add_session(cctx, sess2))) goto end; # endif /* Now do some tests for server side caching */ if (use_ext_cache) { SSL_CTX_sess_set_new_cb(cctx, NULL); SSL_CTX_sess_set_remove_cb(cctx, NULL); SSL_CTX_sess_set_new_cb(sctx, new_session_cb); SSL_CTX_sess_set_remove_cb(sctx, remove_session_cb); SSL_CTX_sess_set_get_cb(sctx, get_session_cb); get_sess_val = NULL; } SSL_CTX_set_session_cache_mode(cctx, 0); /* Internal caching is the default on the server side */ if (!use_int_cache) SSL_CTX_set_session_cache_mode(sctx, SSL_SESS_CACHE_SERVER | SSL_SESS_CACHE_NO_INTERNAL_STORE); SSL_free(serverssl1); SSL_free(clientssl1); serverssl1 = clientssl1 = NULL; SSL_free(serverssl2); SSL_free(clientssl2); serverssl2 = clientssl2 = NULL; SSL_SESSION_free(sess1); sess1 = NULL; SSL_SESSION_free(sess2); sess2 = NULL; SSL_CTX_set_max_proto_version(sctx, maxprot); SSL_CTX_set_options(sctx, SSL_OP_NO_TICKET); new_called = remove_called = get_called = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl1, clientssl1, SSL_ERROR_NONE)) || !TEST_ptr(sess1 = SSL_get1_session(clientssl1)) || !TEST_ptr(sess2 = SSL_get1_session(serverssl1))) goto end; /* Should fail because it should already be in the cache */ if (use_int_cache && !TEST_false(SSL_CTX_add_session(sctx, sess2))) goto end; if (use_ext_cache) { SSL_SESSION *tmp = sess2; if (!TEST_int_eq(new_called, 1) || !TEST_int_eq(remove_called, 0) || !TEST_int_eq(get_called, 0)) goto end; /* * Delete the session from the internal cache to force a lookup from * the external cache. We take a copy first because * SSL_CTX_remove_session() also marks the session as non-resumable. */ if (use_int_cache) { if (!TEST_ptr(tmp = SSL_SESSION_dup(sess2)) || !TEST_true(SSL_CTX_remove_session(sctx, sess2))) goto end; SSL_SESSION_free(sess2); } sess2 = tmp; } new_called = remove_called = get_called = 0; get_sess_val = sess2; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl2, &clientssl2, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl2, sess1)) || !TEST_true(create_ssl_connection(serverssl2, clientssl2, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl2))) goto end; if (use_ext_cache) { if (!TEST_int_eq(new_called, 0) || !TEST_int_eq(remove_called, 0)) goto end; if (maxprot == TLS1_3_VERSION) { if (!TEST_int_eq(get_called, 0)) goto end; } else { if (!TEST_int_eq(get_called, 1)) goto end; } } testresult = 1; end: SSL_free(serverssl1); SSL_free(clientssl1); SSL_free(serverssl2); SSL_free(clientssl2); # ifndef OPENSSL_NO_TLS1_1 SSL_free(serverssl3); SSL_free(clientssl3); # endif SSL_SESSION_free(sess1); SSL_SESSION_free(sess2); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #endif /* !defined(OPENSSL_NO_TLS1_3) || !defined(OPENSSL_NO_TLS1_2) */ static int test_session_with_only_int_cache(void) { #ifndef OPENSSL_NO_TLS1_3 if (!execute_test_session(TLS1_3_VERSION, 1, 0)) return 0; #endif #ifndef OPENSSL_NO_TLS1_2 return execute_test_session(TLS1_2_VERSION, 1, 0); #else return 1; #endif } static int test_session_with_only_ext_cache(void) { #ifndef OPENSSL_NO_TLS1_3 if (!execute_test_session(TLS1_3_VERSION, 0, 1)) return 0; #endif #ifndef OPENSSL_NO_TLS1_2 return execute_test_session(TLS1_2_VERSION, 0, 1); #else return 1; #endif } static int test_session_with_both_cache(void) { #ifndef OPENSSL_NO_TLS1_3 if (!execute_test_session(TLS1_3_VERSION, 1, 1)) return 0; #endif #ifndef OPENSSL_NO_TLS1_2 return execute_test_session(TLS1_2_VERSION, 1, 1); #else return 1; #endif } #define USE_NULL 0 #define USE_BIO_1 1 #define USE_BIO_2 2 #define TOTAL_SSL_SET_BIO_TESTS (3 * 3 * 3 * 3) static void setupbio(BIO **res, BIO *bio1, BIO *bio2, int type) { switch (type) { case USE_NULL: *res = NULL; break; case USE_BIO_1: *res = bio1; break; case USE_BIO_2: *res = bio2; break; } } static int test_ssl_set_bio(int idx) { SSL_CTX *ctx; BIO *bio1 = NULL; BIO *bio2 = NULL; BIO *irbio = NULL, *iwbio = NULL, *nrbio = NULL, *nwbio = NULL; SSL *ssl = NULL; int initrbio, initwbio, newrbio, newwbio; int testresult = 0; initrbio = idx % 3; idx /= 3; initwbio = idx % 3; idx /= 3; newrbio = idx % 3; idx /= 3; newwbio = idx; if (!TEST_int_le(newwbio, 2)) return 0; if (!TEST_ptr(ctx = SSL_CTX_new(TLS_method())) || !TEST_ptr(ssl = SSL_new(ctx))) goto end; if (initrbio == USE_BIO_1 || initwbio == USE_BIO_1 || newrbio == USE_BIO_1 || newwbio == USE_BIO_1) { if (!TEST_ptr(bio1 = BIO_new(BIO_s_mem()))) goto end; } if (initrbio == USE_BIO_2 || initwbio == USE_BIO_2 || newrbio == USE_BIO_2 || newwbio == USE_BIO_2) { if (!TEST_ptr(bio2 = BIO_new(BIO_s_mem()))) goto end; } setupbio(&irbio, bio1, bio2, initrbio); setupbio(&iwbio, bio1, bio2, initwbio); /* * We want to maintain our own refs to these BIO, so do an up ref for each * BIO that will have ownership transferred in the SSL_set_bio() call */ if (irbio != NULL) BIO_up_ref(irbio); if (iwbio != NULL && iwbio != irbio) BIO_up_ref(iwbio); SSL_set_bio(ssl, irbio, iwbio); setupbio(&nrbio, bio1, bio2, newrbio); setupbio(&nwbio, bio1, bio2, newwbio); /* * We will (maybe) transfer ownership again so do more up refs. * SSL_set_bio() has some really complicated ownership rules where BIOs have * already been set! */ if (nrbio != NULL && nrbio != irbio && (nwbio != iwbio || nrbio != nwbio)) BIO_up_ref(nrbio); if (nwbio != NULL && nwbio != nrbio && (nwbio != iwbio || (nwbio == iwbio && irbio == iwbio))) BIO_up_ref(nwbio); SSL_set_bio(ssl, nrbio, nwbio); testresult = 1; end: SSL_free(ssl); BIO_free(bio1); BIO_free(bio2); /* * This test is checking that the ref counting for SSL_set_bio is correct. * If we get here and we did too many frees then we will fail in the above * functions. If we haven't done enough then this will only be detected in * a crypto-mdebug build */ SSL_CTX_free(ctx); return testresult; } typedef enum { NO_BIO_CHANGE, CHANGE_RBIO, CHANGE_WBIO } bio_change_t; static int execute_test_ssl_bio(int pop_ssl, bio_change_t change_bio) { BIO *sslbio = NULL, *membio1 = NULL, *membio2 = NULL; SSL_CTX *ctx; SSL *ssl = NULL; int testresult = 0; if (!TEST_ptr(ctx = SSL_CTX_new(TLS_method())) || !TEST_ptr(ssl = SSL_new(ctx)) || !TEST_ptr(sslbio = BIO_new(BIO_f_ssl())) || !TEST_ptr(membio1 = BIO_new(BIO_s_mem()))) goto end; BIO_set_ssl(sslbio, ssl, BIO_CLOSE); /* * If anything goes wrong here then we could leak memory, so this will * be caught in a crypto-mdebug build */ BIO_push(sslbio, membio1); /* Verify changing the rbio/wbio directly does not cause leaks */ if (change_bio != NO_BIO_CHANGE) { if (!TEST_ptr(membio2 = BIO_new(BIO_s_mem()))) goto end; if (change_bio == CHANGE_RBIO) SSL_set0_rbio(ssl, membio2); else SSL_set0_wbio(ssl, membio2); } ssl = NULL; if (pop_ssl) BIO_pop(sslbio); else BIO_pop(membio1); testresult = 1; end: BIO_free(membio1); BIO_free(sslbio); SSL_free(ssl); SSL_CTX_free(ctx); return testresult; } static int test_ssl_bio_pop_next_bio(void) { return execute_test_ssl_bio(0, NO_BIO_CHANGE); } static int test_ssl_bio_pop_ssl_bio(void) { return execute_test_ssl_bio(1, NO_BIO_CHANGE); } static int test_ssl_bio_change_rbio(void) { return execute_test_ssl_bio(0, CHANGE_RBIO); } static int test_ssl_bio_change_wbio(void) { return execute_test_ssl_bio(0, CHANGE_WBIO); } typedef struct { /* The list of sig algs */ const int *list; /* The length of the list */ size_t listlen; /* A sigalgs list in string format */ const char *liststr; /* Whether setting the list should succeed */ int valid; /* Whether creating a connection with the list should succeed */ int connsuccess; } sigalgs_list; static const int validlist1[] = {NID_sha256, EVP_PKEY_RSA}; #ifndef OPENSSL_NO_EC static const int validlist2[] = {NID_sha256, EVP_PKEY_RSA, NID_sha512, EVP_PKEY_EC}; static const int validlist3[] = {NID_sha512, EVP_PKEY_EC}; #endif static const int invalidlist1[] = {NID_undef, EVP_PKEY_RSA}; static const int invalidlist2[] = {NID_sha256, NID_undef}; static const int invalidlist3[] = {NID_sha256, EVP_PKEY_RSA, NID_sha256}; static const int invalidlist4[] = {NID_sha256}; static const sigalgs_list testsigalgs[] = { {validlist1, OSSL_NELEM(validlist1), NULL, 1, 1}, #ifndef OPENSSL_NO_EC {validlist2, OSSL_NELEM(validlist2), NULL, 1, 1}, {validlist3, OSSL_NELEM(validlist3), NULL, 1, 0}, #endif {NULL, 0, "RSA+SHA256", 1, 1}, #ifndef OPENSSL_NO_EC {NULL, 0, "RSA+SHA256:ECDSA+SHA512", 1, 1}, {NULL, 0, "ECDSA+SHA512", 1, 0}, #endif {invalidlist1, OSSL_NELEM(invalidlist1), NULL, 0, 0}, {invalidlist2, OSSL_NELEM(invalidlist2), NULL, 0, 0}, {invalidlist3, OSSL_NELEM(invalidlist3), NULL, 0, 0}, {invalidlist4, OSSL_NELEM(invalidlist4), NULL, 0, 0}, {NULL, 0, "RSA", 0, 0}, {NULL, 0, "SHA256", 0, 0}, {NULL, 0, "RSA+SHA256:SHA256", 0, 0}, {NULL, 0, "Invalid", 0, 0} }; static int test_set_sigalgs(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; const sigalgs_list *curr; int testctx; /* Should never happen */ if (!TEST_size_t_le((size_t)idx, OSSL_NELEM(testsigalgs) * 2)) return 0; testctx = ((size_t)idx < OSSL_NELEM(testsigalgs)); curr = testctx ? &testsigalgs[idx] : &testsigalgs[idx - OSSL_NELEM(testsigalgs)]; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) return 0; /* * TODO(TLS1.3): These APIs cannot set TLSv1.3 sig algs so we just test it * for TLSv1.2 for now until we add a new API. */ SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION); if (testctx) { int ret; if (curr->list != NULL) ret = SSL_CTX_set1_sigalgs(cctx, curr->list, curr->listlen); else ret = SSL_CTX_set1_sigalgs_list(cctx, curr->liststr); if (!ret) { if (curr->valid) TEST_info("Failure setting sigalgs in SSL_CTX (%d)\n", idx); else testresult = 1; goto end; } if (!curr->valid) { TEST_info("Not-failed setting sigalgs in SSL_CTX (%d)\n", idx); goto end; } } if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL))) goto end; if (!testctx) { int ret; if (curr->list != NULL) ret = SSL_set1_sigalgs(clientssl, curr->list, curr->listlen); else ret = SSL_set1_sigalgs_list(clientssl, curr->liststr); if (!ret) { if (curr->valid) TEST_info("Failure setting sigalgs in SSL (%d)\n", idx); else testresult = 1; goto end; } if (!curr->valid) goto end; } if (!TEST_int_eq(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE), curr->connsuccess)) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #ifndef OPENSSL_NO_TLS1_3 static SSL_SESSION *clientpsk = NULL; static SSL_SESSION *serverpsk = NULL; static const char *pskid = "Identity"; static const char *srvid; static int use_session_cb_cnt = 0; static int find_session_cb_cnt = 0; static int use_session_cb(SSL *ssl, const EVP_MD *md, const unsigned char **id, size_t *idlen, SSL_SESSION **sess) { switch (++use_session_cb_cnt) { case 1: /* The first call should always have a NULL md */ if (md != NULL) return 0; break; case 2: /* The second call should always have an md */ if (md == NULL) return 0; break; default: /* We should only be called a maximum of twice */ return 0; } if (clientpsk != NULL) SSL_SESSION_up_ref(clientpsk); *sess = clientpsk; *id = (const unsigned char *)pskid; *idlen = strlen(pskid); return 1; } static int find_session_cb(SSL *ssl, const unsigned char *identity, size_t identity_len, SSL_SESSION **sess) { find_session_cb_cnt++; /* We should only ever be called a maximum of twice per connection */ if (find_session_cb_cnt > 2) return 0; if (serverpsk == NULL) return 0; /* Identity should match that set by the client */ if (strlen(srvid) != identity_len || strncmp(srvid, (const char *)identity, identity_len) != 0) { /* No PSK found, continue but without a PSK */ *sess = NULL; return 1; } SSL_SESSION_up_ref(serverpsk); *sess = serverpsk; return 1; } #define MSG1 "Hello" #define MSG2 "World." #define MSG3 "This" #define MSG4 "is" #define MSG5 "a" #define MSG6 "test" #define MSG7 "message." #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02") /* * Helper method to setup objects for early data test. Caller frees objects on * error. */ static int setupearly_data_test(SSL_CTX **cctx, SSL_CTX **sctx, SSL **clientssl, SSL **serverssl, SSL_SESSION **sess, int idx) { if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), sctx, cctx, cert, privkey))) return 0; if (idx == 1) { /* When idx == 1 we repeat the tests with read_ahead set */ SSL_CTX_set_read_ahead(*cctx, 1); SSL_CTX_set_read_ahead(*sctx, 1); } else if (idx == 2) { /* When idx == 2 we are doing early_data with a PSK. Set up callbacks */ SSL_CTX_set_psk_use_session_callback(*cctx, use_session_cb); SSL_CTX_set_psk_find_session_callback(*sctx, find_session_cb); use_session_cb_cnt = 0; find_session_cb_cnt = 0; srvid = pskid; } if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl, clientssl, NULL, NULL))) return 0; /* * For one of the run throughs (doesn't matter which one), we'll try sending * some SNI data in the initial ClientHello. This will be ignored (because * there is no SNI cb set up by the server), so it should not impact * early_data. */ if (idx == 1 && !TEST_true(SSL_set_tlsext_host_name(*clientssl, "localhost"))) return 0; if (idx == 2) { /* Create the PSK */ const SSL_CIPHER *cipher = NULL; const unsigned char key[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f }; cipher = SSL_CIPHER_find(*clientssl, TLS13_AES_256_GCM_SHA384_BYTES); clientpsk = SSL_SESSION_new(); if (!TEST_ptr(clientpsk) || !TEST_ptr(cipher) || !TEST_true(SSL_SESSION_set1_master_key(clientpsk, key, sizeof(key))) || !TEST_true(SSL_SESSION_set_cipher(clientpsk, cipher)) || !TEST_true( SSL_SESSION_set_protocol_version(clientpsk, TLS1_3_VERSION)) /* * We just choose an arbitrary value for max_early_data which * should be big enough for testing purposes. */ || !TEST_true(SSL_SESSION_set_max_early_data(clientpsk, 0x100)) || !TEST_true(SSL_SESSION_up_ref(clientpsk))) { SSL_SESSION_free(clientpsk); clientpsk = NULL; return 0; } serverpsk = clientpsk; if (sess != NULL) *sess = clientpsk; return 1; } if (sess == NULL) return 1; if (!TEST_true(create_ssl_connection(*serverssl, *clientssl, SSL_ERROR_NONE))) return 0; *sess = SSL_get1_session(*clientssl); SSL_shutdown(*clientssl); SSL_shutdown(*serverssl); SSL_free(*serverssl); SSL_free(*clientssl); *serverssl = *clientssl = NULL; if (!TEST_true(create_ssl_objects(*sctx, *cctx, serverssl, clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(*clientssl, *sess))) return 0; return 1; } static int test_early_data_read_write(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; SSL_SESSION *sess = NULL; unsigned char buf[20], data[1024]; size_t readbytes, written, eoedlen, rawread, rawwritten; BIO *rbio; if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, &sess, idx))) goto end; /* Write and read some early data */ if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_size_t_eq(written, strlen(MSG1)) || !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_SUCCESS) || !TEST_mem_eq(MSG1, readbytes, buf, strlen(MSG1)) || !TEST_int_eq(SSL_get_early_data_status(serverssl), SSL_EARLY_DATA_ACCEPTED)) goto end; /* * Server should be able to write data, and client should be able to * read it. */ if (!TEST_true(SSL_write_early_data(serverssl, MSG2, strlen(MSG2), &written)) || !TEST_size_t_eq(written, strlen(MSG2)) || !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2))) goto end; /* Even after reading normal data, client should be able write early data */ if (!TEST_true(SSL_write_early_data(clientssl, MSG3, strlen(MSG3), &written)) || !TEST_size_t_eq(written, strlen(MSG3))) goto end; /* Server should still be able read early data after writing data */ if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_SUCCESS) || !TEST_mem_eq(buf, readbytes, MSG3, strlen(MSG3))) goto end; /* Write more data from server and read it from client */ if (!TEST_true(SSL_write_early_data(serverssl, MSG4, strlen(MSG4), &written)) || !TEST_size_t_eq(written, strlen(MSG4)) || !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG4, strlen(MSG4))) goto end; /* * If client writes normal data it should mean writing early data is no * longer possible. */ if (!TEST_true(SSL_write_ex(clientssl, MSG5, strlen(MSG5), &written)) || !TEST_size_t_eq(written, strlen(MSG5)) || !TEST_int_eq(SSL_get_early_data_status(clientssl), SSL_EARLY_DATA_ACCEPTED)) goto end; /* * At this point the client has written EndOfEarlyData, ClientFinished and * normal (fully protected) data. We are going to cause a delay between the * arrival of EndOfEarlyData and ClientFinished. We read out all the data * in the read BIO, and then just put back the EndOfEarlyData message. */ rbio = SSL_get_rbio(serverssl); if (!TEST_true(BIO_read_ex(rbio, data, sizeof(data), &rawread)) || !TEST_size_t_lt(rawread, sizeof(data)) || !TEST_size_t_gt(rawread, SSL3_RT_HEADER_LENGTH)) goto end; /* Record length is in the 4th and 5th bytes of the record header */ eoedlen = SSL3_RT_HEADER_LENGTH + (data[3] << 8 | data[4]); if (!TEST_true(BIO_write_ex(rbio, data, eoedlen, &rawwritten)) || !TEST_size_t_eq(rawwritten, eoedlen)) goto end; /* Server should be told that there is no more early data */ if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_FINISH) || !TEST_size_t_eq(readbytes, 0)) goto end; /* * Server has not finished init yet, so should still be able to write early * data. */ if (!TEST_true(SSL_write_early_data(serverssl, MSG6, strlen(MSG6), &written)) || !TEST_size_t_eq(written, strlen(MSG6))) goto end; /* Push the ClientFinished and the normal data back into the server rbio */ if (!TEST_true(BIO_write_ex(rbio, data + eoedlen, rawread - eoedlen, &rawwritten)) || !TEST_size_t_eq(rawwritten, rawread - eoedlen)) goto end; /* Server should be able to read normal data */ if (!TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_size_t_eq(readbytes, strlen(MSG5))) goto end; /* Client and server should not be able to write/read early data now */ if (!TEST_false(SSL_write_early_data(clientssl, MSG6, strlen(MSG6), &written))) goto end; ERR_clear_error(); if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_ERROR)) goto end; ERR_clear_error(); /* Client should be able to read the data sent by the server */ if (!TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG6, strlen(MSG6))) goto end; /* * Make sure we process the NewSessionTicket. This arrives post-handshake. * We attempt a read which we do not expect to return any data. */ if (!TEST_false(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))) goto end; /* Server should be able to write normal data */ if (!TEST_true(SSL_write_ex(serverssl, MSG7, strlen(MSG7), &written)) || !TEST_size_t_eq(written, strlen(MSG7)) || !TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG7, strlen(MSG7))) goto end; /* We keep the PSK session around if using PSK */ if (idx != 2) SSL_SESSION_free(sess); sess = SSL_get1_session(clientssl); use_session_cb_cnt = 0; find_session_cb_cnt = 0; SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl, sess))) goto end; /* Write and read some early data */ if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_size_t_eq(written, strlen(MSG1)) || !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_SUCCESS) || !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1))) goto end; if (!TEST_int_gt(SSL_connect(clientssl), 0) || !TEST_int_gt(SSL_accept(serverssl), 0)) goto end; /* Client and server should not be able to write/read early data now */ if (!TEST_false(SSL_write_early_data(clientssl, MSG6, strlen(MSG6), &written))) goto end; ERR_clear_error(); if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_ERROR)) goto end; ERR_clear_error(); /* Client and server should be able to write/read normal data */ if (!TEST_true(SSL_write_ex(clientssl, MSG5, strlen(MSG5), &written)) || !TEST_size_t_eq(written, strlen(MSG5)) || !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_size_t_eq(readbytes, strlen(MSG5))) goto end; testresult = 1; end: if (sess != clientpsk) SSL_SESSION_free(sess); SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* * Helper function to test that a server attempting to read early data can * handle a connection from a client where the early data should be skipped. */ static int early_data_skip_helper(int hrr, int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; SSL_SESSION *sess = NULL; unsigned char buf[20]; size_t readbytes, written; if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, &sess, idx))) goto end; if (hrr) { /* Force an HRR to occur */ if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256"))) goto end; } else if (idx == 2) { /* * We force early_data rejection by ensuring the PSK identity is * unrecognised */ srvid = "Dummy Identity"; } else { /* * Deliberately corrupt the creation time. We take 20 seconds off the * time. It could be any value as long as it is not within tolerance. * This should mean the ticket is rejected. */ if (!TEST_true(SSL_SESSION_set_time(sess, (long)(time(NULL) - 20)))) goto end; } /* Write some early data */ if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_size_t_eq(written, strlen(MSG1))) goto end; /* Server should reject the early data and skip over it */ if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_FINISH) || !TEST_size_t_eq(readbytes, 0) || !TEST_int_eq(SSL_get_early_data_status(serverssl), SSL_EARLY_DATA_REJECTED)) goto end; if (hrr) { /* * Finish off the handshake. We perform the same writes and reads as * further down but we expect them to fail due to the incomplete * handshake. */ if (!TEST_false(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written)) || !TEST_false(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes))) goto end; } /* Should be able to send normal data despite rejection of early data */ if (!TEST_true(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written)) || !TEST_size_t_eq(written, strlen(MSG2)) || !TEST_int_eq(SSL_get_early_data_status(clientssl), SSL_EARLY_DATA_REJECTED) || !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2))) goto end; testresult = 1; end: if (sess != clientpsk) SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_SESSION_free(sess); SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* * Test that a server attempting to read early data can handle a connection * from a client where the early data is not acceptable. */ static int test_early_data_skip(int idx) { return early_data_skip_helper(0, idx); } /* * Test that a server attempting to read early data can handle a connection * from a client where an HRR occurs. */ static int test_early_data_skip_hrr(int idx) { return early_data_skip_helper(1, idx); } /* * Test that a server attempting to read early data can handle a connection * from a client that doesn't send any. */ static int test_early_data_not_sent(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; SSL_SESSION *sess = NULL; unsigned char buf[20]; size_t readbytes, written; if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, &sess, idx))) goto end; /* Write some data - should block due to handshake with server */ SSL_set_connect_state(clientssl); if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written))) goto end; /* Server should detect that early data has not been sent */ if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_FINISH) || !TEST_size_t_eq(readbytes, 0) || !TEST_int_eq(SSL_get_early_data_status(serverssl), SSL_EARLY_DATA_NOT_SENT) || !TEST_int_eq(SSL_get_early_data_status(clientssl), SSL_EARLY_DATA_NOT_SENT)) goto end; /* Continue writing the message we started earlier */ if (!TEST_true(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_size_t_eq(written, strlen(MSG1)) || !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1)) || !SSL_write_ex(serverssl, MSG2, strlen(MSG2), &written) || !TEST_size_t_eq(written, strlen(MSG2))) goto end; /* * Should block due to the NewSessionTicket arrival unless we're using * read_ahead */ if (idx != 1) { if (!TEST_false(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes))) goto end; } if (!TEST_true(SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2))) goto end; testresult = 1; end: /* If using PSK then clientpsk and sess are the same */ SSL_SESSION_free(sess); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } static int hostname_cb(SSL *s, int *al, void *arg) { const char *hostname = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); if (hostname != NULL && strcmp(hostname, "goodhost") == 0) return SSL_TLSEXT_ERR_OK; return SSL_TLSEXT_ERR_NOACK; } static const char *servalpn; static int alpn_select_cb(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) { unsigned int protlen = 0; const unsigned char *prot; for (prot = in; prot < in + inlen; prot += protlen) { protlen = *prot++; if (in + inlen < prot + protlen) return SSL_TLSEXT_ERR_NOACK; if (protlen == strlen(servalpn) && memcmp(prot, servalpn, protlen) == 0) { *out = prot; *outlen = protlen; return SSL_TLSEXT_ERR_OK; } } return SSL_TLSEXT_ERR_NOACK; } /* Test that a PSK can be used to send early_data */ static int test_early_data_psk(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; SSL_SESSION *sess = NULL; unsigned char alpnlist[] = { 0x08, 'g', 'o', 'o', 'd', 'a', 'l', 'p', 'n', 0x07, 'b', 'a', 'd', 'a', 'l', 'p', 'n' }; #define GOODALPNLEN 9 #define BADALPNLEN 8 #define GOODALPN (alpnlist) #define BADALPN (alpnlist + GOODALPNLEN) int err = 0; unsigned char buf[20]; size_t readbytes, written; int readearlyres = SSL_READ_EARLY_DATA_SUCCESS, connectres = 1; int edstatus = SSL_EARLY_DATA_ACCEPTED; /* We always set this up with a final parameter of "2" for PSK */ if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, &sess, 2))) goto end; servalpn = "goodalpn"; /* * Note: There is no test for inconsistent SNI with late client detection. * This is because servers do not acknowledge SNI even if they are using * it in a resumption handshake - so it is not actually possible for a * client to detect a problem. */ switch (idx) { case 0: /* Set inconsistent SNI (early client detection) */ err = SSL_R_INCONSISTENT_EARLY_DATA_SNI; if (!TEST_true(SSL_SESSION_set1_hostname(sess, "goodhost")) || !TEST_true(SSL_set_tlsext_host_name(clientssl, "badhost"))) goto end; break; case 1: /* Set inconsistent ALPN (early client detection) */ err = SSL_R_INCONSISTENT_EARLY_DATA_ALPN; /* SSL_set_alpn_protos returns 0 for success and 1 for failure */ if (!TEST_true(SSL_SESSION_set1_alpn_selected(sess, GOODALPN, GOODALPNLEN)) || !TEST_false(SSL_set_alpn_protos(clientssl, BADALPN, BADALPNLEN))) goto end; break; case 2: /* * Set invalid protocol version. Technically this affects PSKs without * early_data too, but we test it here because it is similar to the * SNI/ALPN consistency tests. */ err = SSL_R_BAD_PSK; if (!TEST_true(SSL_SESSION_set_protocol_version(sess, TLS1_2_VERSION))) goto end; break; case 3: /* * Set inconsistent SNI (server detected). In this case the connection * will succeed but reject early_data. */ SSL_SESSION_free(serverpsk); serverpsk = SSL_SESSION_dup(clientpsk); if (!TEST_ptr(serverpsk) || !TEST_true(SSL_SESSION_set1_hostname(serverpsk, "badhost"))) goto end; edstatus = SSL_EARLY_DATA_REJECTED; readearlyres = SSL_READ_EARLY_DATA_FINISH; /* Fall through */ case 4: /* Set consistent SNI */ if (!TEST_true(SSL_SESSION_set1_hostname(sess, "goodhost")) || !TEST_true(SSL_set_tlsext_host_name(clientssl, "goodhost")) || !TEST_true(SSL_CTX_set_tlsext_servername_callback(sctx, hostname_cb))) goto end; break; case 5: /* * Set inconsistent ALPN (server detected). In this case the connection * will succeed but reject early_data. */ servalpn = "badalpn"; edstatus = SSL_EARLY_DATA_REJECTED; readearlyres = SSL_READ_EARLY_DATA_FINISH; /* Fall through */ case 6: /* * Set consistent ALPN. * SSL_set_alpn_protos returns 0 for success and 1 for failure. It * accepts a list of protos (each one length prefixed). * SSL_set1_alpn_selected accepts a single protocol (not length * prefixed) */ if (!TEST_true(SSL_SESSION_set1_alpn_selected(sess, GOODALPN + 1, GOODALPNLEN - 1)) || !TEST_false(SSL_set_alpn_protos(clientssl, GOODALPN, GOODALPNLEN))) goto end; SSL_CTX_set_alpn_select_cb(sctx, alpn_select_cb, NULL); break; case 7: /* Set inconsistent ALPN (late client detection) */ SSL_SESSION_free(serverpsk); serverpsk = SSL_SESSION_dup(clientpsk); if (!TEST_ptr(serverpsk) || !TEST_true(SSL_SESSION_set1_alpn_selected(clientpsk, BADALPN + 1, BADALPNLEN - 1)) || !TEST_true(SSL_SESSION_set1_alpn_selected(serverpsk, GOODALPN + 1, GOODALPNLEN - 1)) || !TEST_false(SSL_set_alpn_protos(clientssl, alpnlist, sizeof(alpnlist)))) goto end; SSL_CTX_set_alpn_select_cb(sctx, alpn_select_cb, NULL); edstatus = SSL_EARLY_DATA_ACCEPTED; readearlyres = SSL_READ_EARLY_DATA_SUCCESS; /* SSL_connect() call should fail */ connectres = -1; break; default: TEST_error("Bad test index"); goto end; } SSL_set_connect_state(clientssl); if (err != 0) { if (!TEST_false(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_int_eq(SSL_get_error(clientssl, 0), SSL_ERROR_SSL) || !TEST_int_eq(ERR_GET_REASON(ERR_get_error()), err)) goto end; } else { if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written))) goto end; if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), readearlyres) || (readearlyres == SSL_READ_EARLY_DATA_SUCCESS && !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1))) || !TEST_int_eq(SSL_get_early_data_status(serverssl), edstatus) || !TEST_int_eq(SSL_connect(clientssl), connectres)) goto end; } testresult = 1; end: SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* * Test that a server that doesn't try to read early data can handle a * client sending some. */ static int test_early_data_not_expected(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; SSL_SESSION *sess = NULL; unsigned char buf[20]; size_t readbytes, written; if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, &sess, idx))) goto end; /* Write some early data */ if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1), &written))) goto end; /* * Server should skip over early data and then block waiting for client to * continue handshake */ if (!TEST_int_le(SSL_accept(serverssl), 0) || !TEST_int_gt(SSL_connect(clientssl), 0) || !TEST_int_eq(SSL_get_early_data_status(serverssl), SSL_EARLY_DATA_REJECTED) || !TEST_int_gt(SSL_accept(serverssl), 0) || !TEST_int_eq(SSL_get_early_data_status(clientssl), SSL_EARLY_DATA_REJECTED)) goto end; /* Send some normal data from client to server */ if (!TEST_true(SSL_write_ex(clientssl, MSG2, strlen(MSG2), &written)) || !TEST_size_t_eq(written, strlen(MSG2))) goto end; if (!TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2))) goto end; testresult = 1; end: /* If using PSK then clientpsk and sess are the same */ SSL_SESSION_free(sess); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } # ifndef OPENSSL_NO_TLS1_2 /* * Test that a server attempting to read early data can handle a connection * from a TLSv1.2 client. */ static int test_early_data_tls1_2(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; unsigned char buf[20]; size_t readbytes, written; if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl, &serverssl, NULL, idx))) goto end; /* Write some data - should block due to handshake with server */ SSL_set_max_proto_version(clientssl, TLS1_2_VERSION); SSL_set_connect_state(clientssl); if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written))) goto end; /* * Server should do TLSv1.2 handshake. First it will block waiting for more * messages from client after ServerDone. Then SSL_read_early_data should * finish and detect that early data has not been sent */ if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_ERROR)) goto end; /* * Continue writing the message we started earlier. Will still block waiting * for the CCS/Finished from server */ if (!TEST_false(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf), &readbytes), SSL_READ_EARLY_DATA_FINISH) || !TEST_size_t_eq(readbytes, 0) || !TEST_int_eq(SSL_get_early_data_status(serverssl), SSL_EARLY_DATA_NOT_SENT)) goto end; /* Continue writing the message we started earlier */ if (!TEST_true(SSL_write_ex(clientssl, MSG1, strlen(MSG1), &written)) || !TEST_size_t_eq(written, strlen(MSG1)) || !TEST_int_eq(SSL_get_early_data_status(clientssl), SSL_EARLY_DATA_NOT_SENT) || !TEST_true(SSL_read_ex(serverssl, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(buf, readbytes, MSG1, strlen(MSG1)) || !TEST_true(SSL_write_ex(serverssl, MSG2, strlen(MSG2), &written)) || !TEST_size_t_eq(written, strlen(MSG2)) || !SSL_read_ex(clientssl, buf, sizeof(buf), &readbytes) || !TEST_mem_eq(buf, readbytes, MSG2, strlen(MSG2))) goto end; testresult = 1; end: /* If using PSK then clientpsk and sess are the same */ SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } # endif /* OPENSSL_NO_TLS1_2 */ static int test_ciphersuite_change(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; SSL_SESSION *clntsess = NULL; int testresult = 0; const SSL_CIPHER *aes_128_gcm_sha256 = NULL; /* Create a session based on SHA-256 */ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) || !TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-128-GCM-SHA256")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; clntsess = SSL_get1_session(clientssl); /* Save for later */ aes_128_gcm_sha256 = SSL_SESSION_get0_cipher(clntsess); SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; /* Check we can resume a session with a different SHA-256 ciphersuite */ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-CHACHA20-POLY1305-SHA256")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl, clntsess)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl))) goto end; SSL_SESSION_free(clntsess); clntsess = SSL_get1_session(clientssl); SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; /* * Check attempting to resume a SHA-256 session with no SHA-256 ciphersuites * succeeds but does not resume. */ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-256-GCM-SHA384")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl, clntsess)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_SSL)) || !TEST_false(SSL_session_reused(clientssl))) goto end; SSL_SESSION_free(clntsess); clntsess = NULL; SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; /* Create a session based on SHA384 */ if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-256-GCM-SHA384")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; clntsess = SSL_get1_session(clientssl); SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "TLS13-AES-128-GCM-SHA256:TLS13-AES-256-GCM-SHA384")) || !TEST_true(SSL_CTX_set_cipher_list(sctx, "TLS13-AES-256-GCM-SHA384")) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl, clntsess)) /* * We use SSL_ERROR_WANT_READ below so that we can pause the * connection after the initial ClientHello has been sent to * enable us to make some session changes. */ || !TEST_false(create_ssl_connection(serverssl, clientssl, SSL_ERROR_WANT_READ))) goto end; /* Trick the client into thinking this session is for a different digest */ clntsess->cipher = aes_128_gcm_sha256; clntsess->cipher_id = clntsess->cipher->id; /* * Continue the previously started connection. Server has selected a SHA-384 * ciphersuite, but client thinks the session is for SHA-256, so it should * bail out. */ if (!TEST_false(create_ssl_connection(serverssl, clientssl, SSL_ERROR_SSL)) || !TEST_int_eq(ERR_GET_REASON(ERR_get_error()), SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED)) goto end; testresult = 1; end: SSL_SESSION_free(clntsess); SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } static int test_tls13_psk(void) { SSL_CTX *sctx = NULL, *cctx = NULL; SSL *serverssl = NULL, *clientssl = NULL; const SSL_CIPHER *cipher = NULL; const unsigned char key[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f }; int testresult = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) goto end; SSL_CTX_set_psk_use_session_callback(cctx, use_session_cb); SSL_CTX_set_psk_find_session_callback(sctx, find_session_cb); srvid = pskid; use_session_cb_cnt = 0; find_session_cb_cnt = 0; /* Check we can create a connection if callback decides not to send a PSK */ if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_false(SSL_session_reused(clientssl)) || !TEST_false(SSL_session_reused(serverssl)) || !TEST_true(use_session_cb_cnt == 1) || !TEST_true(find_session_cb_cnt == 0)) goto end; shutdown_ssl_connection(serverssl, clientssl); serverssl = clientssl = NULL; use_session_cb_cnt = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL))) goto end; /* Create the PSK */ cipher = SSL_CIPHER_find(clientssl, TLS13_AES_256_GCM_SHA384_BYTES); clientpsk = SSL_SESSION_new(); if (!TEST_ptr(clientpsk) || !TEST_ptr(cipher) || !TEST_true(SSL_SESSION_set1_master_key(clientpsk, key, sizeof(key))) || !TEST_true(SSL_SESSION_set_cipher(clientpsk, cipher)) || !TEST_true(SSL_SESSION_set_protocol_version(clientpsk, TLS1_3_VERSION)) || !TEST_true(SSL_SESSION_up_ref(clientpsk))) goto end; serverpsk = clientpsk; /* Check we can create a connection and the PSK is used */ if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl)) || !TEST_true(SSL_session_reused(serverssl)) || !TEST_true(use_session_cb_cnt == 1) || !TEST_true(find_session_cb_cnt == 1)) goto end; shutdown_ssl_connection(serverssl, clientssl); serverssl = clientssl = NULL; use_session_cb_cnt = find_session_cb_cnt = 0; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL))) goto end; /* Force an HRR */ if (!TEST_true(SSL_set1_groups_list(serverssl, "P-256"))) goto end; /* * Check we can create a connection, the PSK is used and the callbacks are * called twice. */ if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl)) || !TEST_true(SSL_session_reused(serverssl)) || !TEST_true(use_session_cb_cnt == 2) || !TEST_true(find_session_cb_cnt == 2)) goto end; shutdown_ssl_connection(serverssl, clientssl); serverssl = clientssl = NULL; use_session_cb_cnt = find_session_cb_cnt = 0; /* * Check that if the server rejects the PSK we can still connect, but with * a full handshake */ srvid = "Dummy Identity"; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_false(SSL_session_reused(clientssl)) || !TEST_false(SSL_session_reused(serverssl)) || !TEST_true(use_session_cb_cnt == 1) || !TEST_true(find_session_cb_cnt == 1)) goto end; shutdown_ssl_connection(serverssl, clientssl); serverssl = clientssl = NULL; testresult = 1; end: SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } #endif /* OPENSSL_NO_TLS1_3 */ static int clntaddoldcb = 0; static int clntparseoldcb = 0; static int srvaddoldcb = 0; static int srvparseoldcb = 0; static int clntaddnewcb = 0; static int clntparsenewcb = 0; static int srvaddnewcb = 0; static int srvparsenewcb = 0; static int snicb = 0; #define TEST_EXT_TYPE1 0xff00 static int old_add_cb(SSL *s, unsigned int ext_type, const unsigned char **out, size_t *outlen, int *al, void *add_arg) { int *server = (int *)add_arg; unsigned char *data; if (SSL_is_server(s)) srvaddoldcb++; else clntaddoldcb++; if (*server != SSL_is_server(s) || (data = OPENSSL_malloc(sizeof(*data))) == NULL) return -1; *data = 1; *out = data; *outlen = sizeof(char); return 1; } static void old_free_cb(SSL *s, unsigned int ext_type, const unsigned char *out, void *add_arg) { OPENSSL_free((unsigned char *)out); } static int old_parse_cb(SSL *s, unsigned int ext_type, const unsigned char *in, size_t inlen, int *al, void *parse_arg) { int *server = (int *)parse_arg; if (SSL_is_server(s)) srvparseoldcb++; else clntparseoldcb++; if (*server != SSL_is_server(s) || inlen != sizeof(char) || *in != 1) return -1; return 1; } static int new_add_cb(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char **out, size_t *outlen, X509 *x, size_t chainidx, int *al, void *add_arg) { int *server = (int *)add_arg; unsigned char *data; if (SSL_is_server(s)) srvaddnewcb++; else clntaddnewcb++; if (*server != SSL_is_server(s) || (data = OPENSSL_malloc(sizeof(*data))) == NULL) return -1; *data = 1; *out = data; *outlen = sizeof(*data); return 1; } static void new_free_cb(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char *out, void *add_arg) { OPENSSL_free((unsigned char *)out); } static int new_parse_cb(SSL *s, unsigned int ext_type, unsigned int context, const unsigned char *in, size_t inlen, X509 *x, size_t chainidx, int *al, void *parse_arg) { int *server = (int *)parse_arg; if (SSL_is_server(s)) srvparsenewcb++; else clntparsenewcb++; if (*server != SSL_is_server(s) || inlen != sizeof(char) || *in != 1) return -1; return 1; } static int sni_cb(SSL *s, int *al, void *arg) { SSL_CTX *ctx = (SSL_CTX *)arg; if (SSL_set_SSL_CTX(s, ctx) == NULL) { *al = SSL_AD_INTERNAL_ERROR; return SSL_TLSEXT_ERR_ALERT_FATAL; } snicb++; return SSL_TLSEXT_ERR_OK; } /* * Custom call back tests. * Test 0: Old style callbacks in TLSv1.2 * Test 1: New style callbacks in TLSv1.2 * Test 2: New style callbacks in TLSv1.2 with SNI * Test 3: New style callbacks in TLSv1.3. Extensions in CH and EE * Test 4: New style callbacks in TLSv1.3. Extensions in CH, SH, EE, Cert + NST */ static int test_custom_exts(int tst) { SSL_CTX *cctx = NULL, *sctx = NULL, *sctx2 = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; static int server = 1; static int client = 0; SSL_SESSION *sess = NULL; unsigned int context; /* Reset callback counters */ clntaddoldcb = clntparseoldcb = srvaddoldcb = srvparseoldcb = 0; clntaddnewcb = clntparsenewcb = srvaddnewcb = srvparsenewcb = 0; snicb = 0; if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) goto end; if (tst == 2 && !TEST_true(create_ssl_ctx_pair(TLS_server_method(), NULL, &sctx2, NULL, cert, privkey))) goto end; if (tst < 3) { SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3); SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3); if (sctx2 != NULL) SSL_CTX_set_options(sctx2, SSL_OP_NO_TLSv1_3); } if (tst == 4) { context = SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO | SSL_EXT_TLS1_3_SERVER_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS | SSL_EXT_TLS1_3_CERTIFICATE | SSL_EXT_TLS1_3_NEW_SESSION_TICKET; } else { context = SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS; } /* Create a client side custom extension */ if (tst == 0) { if (!TEST_true(SSL_CTX_add_client_custom_ext(cctx, TEST_EXT_TYPE1, old_add_cb, old_free_cb, &client, old_parse_cb, &client))) goto end; } else { if (!TEST_true(SSL_CTX_add_custom_ext(cctx, TEST_EXT_TYPE1, context, new_add_cb, new_free_cb, &client, new_parse_cb, &client))) goto end; } /* Should not be able to add duplicates */ if (!TEST_false(SSL_CTX_add_client_custom_ext(cctx, TEST_EXT_TYPE1, old_add_cb, old_free_cb, &client, old_parse_cb, &client)) || !TEST_false(SSL_CTX_add_custom_ext(cctx, TEST_EXT_TYPE1, context, new_add_cb, new_free_cb, &client, new_parse_cb, &client))) goto end; /* Create a server side custom extension */ if (tst == 0) { if (!TEST_true(SSL_CTX_add_server_custom_ext(sctx, TEST_EXT_TYPE1, old_add_cb, old_free_cb, &server, old_parse_cb, &server))) goto end; } else { if (!TEST_true(SSL_CTX_add_custom_ext(sctx, TEST_EXT_TYPE1, context, new_add_cb, new_free_cb, &server, new_parse_cb, &server))) goto end; if (sctx2 != NULL && !TEST_true(SSL_CTX_add_custom_ext(sctx2, TEST_EXT_TYPE1, context, new_add_cb, new_free_cb, &server, new_parse_cb, &server))) goto end; } /* Should not be able to add duplicates */ if (!TEST_false(SSL_CTX_add_server_custom_ext(sctx, TEST_EXT_TYPE1, old_add_cb, old_free_cb, &server, old_parse_cb, &server)) || !TEST_false(SSL_CTX_add_custom_ext(sctx, TEST_EXT_TYPE1, context, new_add_cb, new_free_cb, &server, new_parse_cb, &server))) goto end; if (tst == 2) { /* Set up SNI */ if (!TEST_true(SSL_CTX_set_tlsext_servername_callback(sctx, sni_cb)) || !TEST_true(SSL_CTX_set_tlsext_servername_arg(sctx, sctx2))) goto end; } if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; if (tst == 0) { if (clntaddoldcb != 1 || clntparseoldcb != 1 || srvaddoldcb != 1 || srvparseoldcb != 1) goto end; } else if (tst == 1 || tst == 2 || tst == 3) { if (clntaddnewcb != 1 || clntparsenewcb != 1 || srvaddnewcb != 1 || srvparsenewcb != 1 || (tst != 2 && snicb != 0) || (tst == 2 && snicb != 1)) goto end; } else { if (clntaddnewcb != 1 || clntparsenewcb != 4 || srvaddnewcb != 4 || srvparsenewcb != 1) goto end; } sess = SSL_get1_session(clientssl); SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); SSL_free(clientssl); serverssl = clientssl = NULL; if (tst == 3) { /* We don't bother with the resumption aspects for this test */ testresult = 1; goto end; } if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(SSL_set_session(clientssl, sess)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; /* * For a resumed session we expect to add the ClientHello extension. For the * old style callbacks we ignore it on the server side because they set * SSL_EXT_IGNORE_ON_RESUMPTION. The new style callbacks do not ignore * them. */ if (tst == 0) { if (clntaddoldcb != 2 || clntparseoldcb != 1 || srvaddoldcb != 1 || srvparseoldcb != 1) goto end; } else if (tst == 1 || tst == 2 || tst == 3) { if (clntaddnewcb != 2 || clntparsenewcb != 2 || srvaddnewcb != 2 || srvparsenewcb != 2) goto end; } else { /* No Certificate message extensions in the resumption handshake */ if (clntaddnewcb != 2 || clntparsenewcb != 7 || srvaddnewcb != 7 || srvparsenewcb != 2) goto end; } testresult = 1; end: SSL_SESSION_free(sess); SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx2); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* * Test loading of serverinfo data in various formats. test_sslmessages actually * tests to make sure the extensions appear in the handshake */ static int test_serverinfo(int tst) { unsigned int version; unsigned char *sibuf; size_t sibuflen; int ret, expected, testresult = 0; SSL_CTX *ctx; ctx = SSL_CTX_new(TLS_method()); if (!TEST_ptr(ctx)) goto end; if ((tst & 0x01) == 0x01) version = SSL_SERVERINFOV2; else version = SSL_SERVERINFOV1; if ((tst & 0x02) == 0x02) { sibuf = serverinfov2; sibuflen = sizeof(serverinfov2); expected = (version == SSL_SERVERINFOV2); } else { sibuf = serverinfov1; sibuflen = sizeof(serverinfov1); expected = (version == SSL_SERVERINFOV1); } if ((tst & 0x04) == 0x04) { ret = SSL_CTX_use_serverinfo_ex(ctx, version, sibuf, sibuflen); } else { ret = SSL_CTX_use_serverinfo(ctx, sibuf, sibuflen); /* * The version variable is irrelevant in this case - it's what is in the * buffer that matters */ if ((tst & 0x02) == 0x02) expected = 0; else expected = 1; } if (!TEST_true(ret == expected)) goto end; testresult = 1; end: SSL_CTX_free(ctx); return testresult; } /* * Test that SSL_export_keying_material() produces expected results. There are * no test vectors so all we do is test that both sides of the communication * produce the same results for different protocol versions. */ static int test_export_key_mat(int tst) { int testresult = 0; SSL_CTX *cctx = NULL, *sctx = NULL, *sctx2 = NULL; SSL *clientssl = NULL, *serverssl = NULL; const char label[] = "test label"; const unsigned char context[] = "context"; const unsigned char *emptycontext = NULL; unsigned char ckeymat1[80], ckeymat2[80], ckeymat3[80]; unsigned char skeymat1[80], skeymat2[80], skeymat3[80]; const int protocols[] = { TLS1_VERSION, TLS1_1_VERSION, TLS1_2_VERSION, TLS1_3_VERSION }; #ifdef OPENSSL_NO_TLS1 if (tst == 0) return 1; #endif #ifdef OPENSSL_NO_TLS1_1 if (tst == 1) return 1; #endif #ifdef OPENSSL_NO_TLS1_2 if (tst == 2) return 1; #endif #ifdef OPENSSL_NO_TLS1_3 if (tst == 3) return 1; #endif if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey))) goto end; OPENSSL_assert(tst >= 0 && (size_t)tst < OSSL_NELEM(protocols)); SSL_CTX_set_max_proto_version(cctx, protocols[tst]); SSL_CTX_set_min_proto_version(cctx, protocols[tst]); if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; if (!TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat1, sizeof(ckeymat1), label, sizeof(label) - 1, context, sizeof(context) - 1, 1), 1) || !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat2, sizeof(ckeymat2), label, sizeof(label) - 1, emptycontext, 0, 1), 1) || !TEST_int_eq(SSL_export_keying_material(clientssl, ckeymat3, sizeof(ckeymat3), label, sizeof(label) - 1, NULL, 0, 0), 1) || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat1, sizeof(skeymat1), label, sizeof(label) - 1, context, sizeof(context) -1, 1), 1) || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat2, sizeof(skeymat2), label, sizeof(label) - 1, emptycontext, 0, 1), 1) || !TEST_int_eq(SSL_export_keying_material(serverssl, skeymat3, sizeof(skeymat3), label, sizeof(label) - 1, NULL, 0, 0), 1) /* * Check that both sides created the same key material with the * same context. */ || !TEST_mem_eq(ckeymat1, sizeof(ckeymat1), skeymat1, sizeof(skeymat1)) /* * Check that both sides created the same key material with an * empty context. */ || !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), skeymat2, sizeof(skeymat2)) /* * Check that both sides created the same key material without a * context. */ || !TEST_mem_eq(ckeymat3, sizeof(ckeymat3), skeymat3, sizeof(skeymat3)) /* Different contexts should produce different results */ || !TEST_mem_ne(ckeymat1, sizeof(ckeymat1), ckeymat2, sizeof(ckeymat2))) goto end; /* * Check that an empty context and no context produce different results in * protocols less than TLSv1.3. In TLSv1.3 they should be the same. */ if ((tst != 3 && !TEST_mem_ne(ckeymat2, sizeof(ckeymat2), ckeymat3, sizeof(ckeymat3))) || (tst ==3 && !TEST_mem_eq(ckeymat2, sizeof(ckeymat2), ckeymat3, sizeof(ckeymat3)))) goto end; testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx2); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } static int test_ssl_clear(int idx) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; #ifdef OPENSSL_NO_TLS1_2 if (idx == 1) return 1; #endif /* Create an initial connection */ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) || (idx == 1 && !TEST_true(SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION))) || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))) goto end; SSL_shutdown(clientssl); SSL_shutdown(serverssl); SSL_free(serverssl); serverssl = NULL; /* Clear clientssl - we're going to reuse the object */ if (!TEST_true(SSL_clear(clientssl))) goto end; if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) || !TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)) || !TEST_true(SSL_session_reused(clientssl))) goto end; SSL_shutdown(clientssl); SSL_shutdown(serverssl); testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* Parse CH and retrieve any MFL extension value if present */ static int get_MFL_from_client_hello(BIO *bio, int *mfl_codemfl_code) { long len; unsigned char *data; PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0}; unsigned int MFL_code = 0, type = 0; if (!TEST_uint_gt( len = BIO_get_mem_data( bio, (char **) &data ), 0 ) ) goto end; if (!TEST_true( PACKET_buf_init( &pkt, data, len ) ) /* Skip the record header */ || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH) /* Skip the handshake message header */ || !TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH)) /* Skip client version and random */ || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN + SSL3_RANDOM_SIZE)) /* Skip session id */ || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2)) /* Skip ciphers */ || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2)) /* Skip compression */ || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2)) /* Extensions len */ || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2))) goto end; /* Loop through all extensions */ while (PACKET_remaining(&pkt2)) { if (!TEST_true(PACKET_get_net_2(&pkt2, &type)) || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3))) goto end; if (type == TLSEXT_TYPE_max_fragment_length) { if (!TEST_uint_ne(PACKET_remaining(&pkt3), 0) || !TEST_true(PACKET_get_1(&pkt3, &MFL_code))) goto end; *mfl_codemfl_code = MFL_code; return 1; } } end: return 0; } /* Maximum-Fragment-Length TLS extension mode to test */ static const unsigned char max_fragment_len_test[] = { TLSEXT_max_fragment_length_512, TLSEXT_max_fragment_length_1024, TLSEXT_max_fragment_length_2048, TLSEXT_max_fragment_length_4096 }; static int test_max_fragment_len_ext(int idx_tst) { SSL_CTX *ctx; SSL *con = NULL; int testresult = 0, MFL_mode = 0; BIO *rbio, *wbio; ctx = SSL_CTX_new(TLS_method()); if (!TEST_ptr(ctx)) goto end; if (!TEST_true(SSL_CTX_set_tlsext_max_fragment_length( ctx, max_fragment_len_test[idx_tst]))) goto end; con = SSL_new(ctx); if (!TEST_ptr(con)) goto end; rbio = BIO_new(BIO_s_mem()); wbio = BIO_new(BIO_s_mem()); if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) { BIO_free(rbio); BIO_free(wbio); goto end; } SSL_set_bio(con, rbio, wbio); SSL_set_connect_state(con); if (!TEST_int_le(SSL_connect(con), 0)) { /* This shouldn't succeed because we don't have a server! */ goto end; } if (!TEST_true(get_MFL_from_client_hello(wbio, &MFL_mode))) /* no MFL in client hello */ goto end; if (!TEST_true(max_fragment_len_test[idx_tst] == MFL_mode)) goto end; testresult = 1; end: SSL_free(con); SSL_CTX_free(ctx); return testresult; } int setup_tests(void) { if (!TEST_ptr(cert = test_get_argument(0)) || !TEST_ptr(privkey = test_get_argument(1))) return 0; ADD_TEST(test_large_message_tls); ADD_TEST(test_large_message_tls_read_ahead); #ifndef OPENSSL_NO_DTLS ADD_TEST(test_large_message_dtls); #endif #ifndef OPENSSL_NO_OCSP ADD_TEST(test_tlsext_status_type); #endif ADD_TEST(test_session_with_only_int_cache); ADD_TEST(test_session_with_only_ext_cache); ADD_TEST(test_session_with_both_cache); ADD_ALL_TESTS(test_ssl_set_bio, TOTAL_SSL_SET_BIO_TESTS); ADD_TEST(test_ssl_bio_pop_next_bio); ADD_TEST(test_ssl_bio_pop_ssl_bio); ADD_TEST(test_ssl_bio_change_rbio); ADD_TEST(test_ssl_bio_change_wbio); ADD_ALL_TESTS(test_set_sigalgs, OSSL_NELEM(testsigalgs) * 2); ADD_TEST(test_keylog); #ifndef OPENSSL_NO_TLS1_3 ADD_TEST(test_keylog_no_master_key); #endif #ifndef OPENSSL_NO_TLS1_2 ADD_TEST(test_client_hello_cb); #endif #ifndef OPENSSL_NO_TLS1_3 ADD_ALL_TESTS(test_early_data_read_write, 3); ADD_ALL_TESTS(test_early_data_skip, 3); ADD_ALL_TESTS(test_early_data_skip_hrr, 3); ADD_ALL_TESTS(test_early_data_not_sent, 3); ADD_ALL_TESTS(test_early_data_psk, 8); ADD_ALL_TESTS(test_early_data_not_expected, 3); # ifndef OPENSSL_NO_TLS1_2 ADD_ALL_TESTS(test_early_data_tls1_2, 3); # endif #endif #ifndef OPENSSL_NO_TLS1_3 ADD_TEST(test_ciphersuite_change); ADD_TEST(test_tls13_psk); ADD_ALL_TESTS(test_custom_exts, 5); #else ADD_ALL_TESTS(test_custom_exts, 3); #endif ADD_ALL_TESTS(test_serverinfo, 8); ADD_ALL_TESTS(test_export_key_mat, 4); ADD_ALL_TESTS(test_ssl_clear, 2); ADD_ALL_TESTS(test_max_fragment_len_ext, OSSL_NELEM(max_fragment_len_test)); return 1; } void cleanup_tests(void) { bio_s_mempacket_test_free(); }