/* * Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (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 "helpers/ssltestlib.h" #include "helpers/quictestlib.h" #include "testutil.h" #include "testutil/output.h" #include "../ssl/ssl_local.h" static OSSL_LIB_CTX *libctx = NULL; static OSSL_PROVIDER *defctxnull = NULL; static char *certsdir = NULL; static char *cert = NULL; static char *ccert = NULL; static char *cauthca = NULL; static char *privkey = NULL; static char *cprivkey = NULL; static char *datadir = NULL; static int is_fips = 0; /* The ssltrace test assumes some options are switched on/off */ #if !defined(OPENSSL_NO_SSL_TRACE) \ && defined(OPENSSL_NO_BROTLI) && defined(OPENSSL_NO_ZSTD) \ && !defined(OPENSSL_NO_ECX) && !defined(OPENSSL_NO_DH) # define DO_SSL_TRACE_TEST #endif /* * Test that we read what we've written. * Test 0: Non-blocking * Test 1: Blocking * Test 2: Blocking, introduce socket error, test error handling. */ static int test_quic_write_read(int idx) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL_CTX *sctx = NULL; SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int j, k, ret = 0; unsigned char buf[20]; static char *msg = "A test message"; size_t msglen = strlen(msg); size_t numbytes = 0; int ssock = 0, csock = 0; uint64_t sid = UINT64_MAX; SSL_SESSION *sess = NULL; if (idx >= 1 && !qtest_supports_blocking()) return TEST_skip("Blocking tests not supported in this build"); for (k = 0; k < 2; k++) { if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, sctx, cert, privkey, idx >= 1 ? QTEST_FLAG_BLOCK : 0, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(SSL_set_tlsext_host_name(clientquic, "localhost"))) goto end; if (sess != NULL && !TEST_true(SSL_set_session(clientquic, sess))) goto end; if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto end; if (idx >= 1) { if (!TEST_true(BIO_get_fd(ossl_quic_tserver_get0_rbio(qtserv), &ssock))) goto end; if (!TEST_int_gt(csock = SSL_get_rfd(clientquic), 0)) goto end; } sid = 0; /* client-initiated bidirectional stream */ for (j = 0; j < 2; j++) { /* Check that sending and receiving app data is ok */ if (!TEST_true(SSL_write_ex(clientquic, msg, msglen, &numbytes)) || !TEST_size_t_eq(numbytes, msglen)) goto end; if (idx >= 1) { do { if (!TEST_true(wait_until_sock_readable(ssock))) goto end; ossl_quic_tserver_tick(qtserv); if (!TEST_true(ossl_quic_tserver_read(qtserv, sid, buf, sizeof(buf), &numbytes))) goto end; } while (numbytes == 0); if (!TEST_mem_eq(buf, numbytes, msg, msglen)) goto end; } if (idx >= 2 && j > 0) /* Introduce permanent socket error */ BIO_closesocket(csock); ossl_quic_tserver_tick(qtserv); if (!TEST_true(ossl_quic_tserver_write(qtserv, sid, (unsigned char *)msg, msglen, &numbytes))) goto end; ossl_quic_tserver_tick(qtserv); SSL_handle_events(clientquic); if (idx >= 2 && j > 0) { if (!TEST_false(SSL_read_ex(clientquic, buf, 1, &numbytes)) || !TEST_int_eq(SSL_get_error(clientquic, 0), SSL_ERROR_SYSCALL) || !TEST_false(SSL_write_ex(clientquic, msg, msglen, &numbytes)) || !TEST_int_eq(SSL_get_error(clientquic, 0), SSL_ERROR_SYSCALL)) goto end; break; } /* * In blocking mode the SSL_read_ex call will block until the socket * is readable and has our data. In non-blocking mode we're doing * everything in memory, so it should be immediately available */ if (!TEST_true(SSL_read_ex(clientquic, buf, 1, &numbytes)) || !TEST_size_t_eq(numbytes, 1) || !TEST_true(SSL_has_pending(clientquic)) || !TEST_int_eq(SSL_pending(clientquic), msglen - 1) || !TEST_true(SSL_read_ex(clientquic, buf + 1, sizeof(buf) - 1, &numbytes)) || !TEST_mem_eq(buf, numbytes + 1, msg, msglen)) goto end; } if (sess == NULL) { /* We didn't supply a session so we're not expecting resumption */ if (!TEST_false(SSL_session_reused(clientquic))) goto end; /* We should have a session ticket by now */ sess = SSL_get1_session(clientquic); if (!TEST_ptr(sess)) goto end; } else { /* We supplied a session so we should have resumed */ if (!TEST_true(SSL_session_reused(clientquic))) goto end; } if (!TEST_true(qtest_shutdown(qtserv, clientquic))) goto end; if (sctx == NULL) { sctx = ossl_quic_tserver_get0_ssl_ctx(qtserv); if (!TEST_true(SSL_CTX_up_ref(sctx))) { sctx = NULL; goto end; } } ossl_quic_tserver_free(qtserv); qtserv = NULL; SSL_free(clientquic); clientquic = NULL; if (idx >= 2) break; } ret = 1; end: SSL_SESSION_free(sess); ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); SSL_CTX_free(sctx); return ret; } /* * Test that sending FIN with no data to a client blocking in SSL_read_ex() will * wake up the client. */ static int test_fin_only_blocking(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL_CTX *sctx = NULL; SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; const char *msg = "Hello World"; uint64_t sid; size_t numbytes; unsigned char buf[32]; int ret = 0; OSSL_TIME timer, timediff; if (!qtest_supports_blocking()) return TEST_skip("Blocking tests not supported in this build"); if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, sctx, cert, privkey, QTEST_FLAG_BLOCK, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(SSL_set_tlsext_host_name(clientquic, "localhost"))) goto end; if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto end; if (!TEST_true(ossl_quic_tserver_stream_new(qtserv, 0, &sid)) || !TEST_true(ossl_quic_tserver_write(qtserv, sid, (unsigned char *)msg, strlen(msg), &numbytes)) || !TEST_size_t_eq(strlen(msg), numbytes)) goto end; ossl_quic_tserver_tick(qtserv); if (!TEST_true(SSL_read_ex(clientquic, buf, sizeof(buf), &numbytes)) || !TEST_mem_eq(msg, strlen(msg), buf, numbytes)) goto end; if (!TEST_true(ossl_quic_tserver_conclude(qtserv, sid))) goto end; timer = ossl_time_now(); if (!TEST_false(SSL_read_ex(clientquic, buf, sizeof(buf), &numbytes))) goto end; timediff = ossl_time_subtract(ossl_time_now(), timer); if (!TEST_int_eq(SSL_get_error(clientquic, 0), SSL_ERROR_ZERO_RETURN) /* * We expect the SSL_read_ex to not have blocked so this should * be very fast. 20ms should be plenty. */ || !TEST_uint64_t_le(ossl_time2ms(timediff), 20)) goto end; if (!TEST_true(qtest_shutdown(qtserv, clientquic))) goto end; ret = 1; end: ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); SSL_CTX_free(sctx); return ret; } /* Test that a vanilla QUIC SSL object has the expected ciphersuites available */ static int test_ciphersuites(void) { SSL_CTX *ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *ssl; int testresult = 0; const STACK_OF(SSL_CIPHER) *ciphers = NULL; const SSL_CIPHER *cipher; /* We expect this exact list of ciphersuites by default */ int cipherids[] = { TLS1_3_CK_AES_256_GCM_SHA384, #if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) TLS1_3_CK_CHACHA20_POLY1305_SHA256, #endif TLS1_3_CK_AES_128_GCM_SHA256 }; size_t i, j; if (!TEST_ptr(ctx)) return 0; ssl = SSL_new(ctx); if (!TEST_ptr(ssl)) goto err; ciphers = SSL_get_ciphers(ssl); for (i = 0, j = 0; i < OSSL_NELEM(cipherids); i++) { if (cipherids[i] == TLS1_3_CK_CHACHA20_POLY1305_SHA256 && is_fips) continue; cipher = sk_SSL_CIPHER_value(ciphers, j++); if (!TEST_ptr(cipher)) goto err; if (!TEST_uint_eq(SSL_CIPHER_get_id(cipher), cipherids[i])) goto err; } /* We should have checked all the ciphers in the stack */ if (!TEST_int_eq(sk_SSL_CIPHER_num(ciphers), j)) goto err; testresult = 1; err: SSL_free(ssl); SSL_CTX_free(ctx); return testresult; } static int test_cipher_find(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; struct { const unsigned char *cipherbytes; int ok; } testciphers[] = { { TLS13_AES_128_GCM_SHA256_BYTES, 1 }, { TLS13_AES_256_GCM_SHA384_BYTES, 1 }, { TLS13_CHACHA20_POLY1305_SHA256_BYTES, 1 }, { TLS13_AES_128_CCM_SHA256_BYTES, 0 }, { TLS13_AES_128_CCM_8_SHA256_BYTES, 0 } }; size_t i; int testresult = 0; if (!TEST_ptr(cctx)) goto err; clientquic = SSL_new(cctx); if (!TEST_ptr(clientquic)) goto err; for (i = 0; i < OSSL_NELEM(testciphers); i++) if (testciphers[i].ok) { if (!TEST_ptr(SSL_CIPHER_find(clientquic, testciphers[i].cipherbytes))) goto err; } else { if (!TEST_ptr_null(SSL_CIPHER_find(clientquic, testciphers[i].cipherbytes))) goto err; } testresult = 1; err: SSL_free(clientquic); SSL_CTX_free(cctx); return testresult; } /* * Test that SSL_version, SSL_get_version, SSL_is_quic, SSL_is_tls and * SSL_is_dtls return the expected results for a QUIC connection. Compare with * test_version() in sslapitest.c which does the same thing for TLS/DTLS * connections. */ static int test_version(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, 0, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; if (!TEST_int_eq(SSL_version(clientquic), OSSL_QUIC1_VERSION) || !TEST_str_eq(SSL_get_version(clientquic), "QUICv1")) goto err; if (!TEST_true(SSL_is_quic(clientquic)) || !TEST_false(SSL_is_tls(clientquic)) || !TEST_false(SSL_is_dtls(clientquic))) goto err; testresult = 1; err: ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); return testresult; } #if defined(DO_SSL_TRACE_TEST) static void strip_line_ends(char *str) { size_t i; for (i = strlen(str); i > 0 && (str[i - 1] == '\n' || str[i - 1] == '\r'); i--); str[i] = '\0'; } static int compare_with_file(BIO *membio) { BIO *file = NULL, *newfile = NULL; char buf1[512], buf2[512]; char *reffile; int ret = 0; size_t i; #ifdef OPENSSL_NO_ZLIB reffile = test_mk_file_path(datadir, "ssltraceref.txt"); #else reffile = test_mk_file_path(datadir, "ssltraceref-zlib.txt"); #endif if (!TEST_ptr(reffile)) goto err; file = BIO_new_file(reffile, "rb"); if (!TEST_ptr(file)) goto err; newfile = BIO_new_file("ssltraceref-new.txt", "wb"); if (!TEST_ptr(newfile)) goto err; while (BIO_gets(membio, buf2, sizeof(buf2)) > 0) if (BIO_puts(newfile, buf2) <= 0) { TEST_error("Failed writing new file data"); goto err; } if (!TEST_int_ge(BIO_seek(membio, 0), 0)) goto err; while (BIO_gets(file, buf1, sizeof(buf1)) > 0) { if (BIO_gets(membio, buf2, sizeof(buf2)) <= 0) { TEST_error("Failed reading mem data"); goto err; } strip_line_ends(buf1); strip_line_ends(buf2); if (strlen(buf1) != strlen(buf2)) { TEST_error("Actual and ref line data length mismatch"); TEST_info("%s", buf1); TEST_info("%s", buf2); goto err; } for (i = 0; i < strlen(buf1); i++) { /* '?' is a wild card character in the reference text */ if (buf1[i] == '?') buf2[i] = '?'; } if (!TEST_str_eq(buf1, buf2)) goto err; } if (!TEST_true(BIO_eof(file)) || !TEST_true(BIO_eof(membio))) goto err; ret = 1; err: OPENSSL_free(reffile); BIO_free(file); BIO_free(newfile); return ret; } /* * Tests that the SSL_trace() msg_callback works as expected with a QUIC * connection. This also provides testing of the msg_callback at the same time. */ static int test_ssl_trace(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; BIO *bio = BIO_new(BIO_s_mem()); /* * Ensure we only configure ciphersuites that are available with both the * default and fips providers to get the same output in both cases */ if (!TEST_true(SSL_CTX_set_ciphersuites(cctx, "TLS_AES_128_GCM_SHA256"))) goto err; if (!TEST_ptr(cctx) || !TEST_ptr(bio) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, QTEST_FLAG_FAKE_TIME, &qtserv, &clientquic, NULL, NULL))) goto err; SSL_set_msg_callback(clientquic, SSL_trace); SSL_set_msg_callback_arg(clientquic, bio); if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; if (!TEST_true(compare_with_file(bio))) goto err; testresult = 1; err: ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); BIO_free(bio); return testresult; } #endif static int ensure_valid_ciphers(const STACK_OF(SSL_CIPHER) *ciphers) { size_t i; /* Ensure ciphersuite list is suitably subsetted. */ for (i = 0; i < (size_t)sk_SSL_CIPHER_num(ciphers); ++i) { const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(ciphers, i); switch (SSL_CIPHER_get_id(cipher)) { case TLS1_3_CK_AES_128_GCM_SHA256: case TLS1_3_CK_AES_256_GCM_SHA384: case TLS1_3_CK_CHACHA20_POLY1305_SHA256: break; default: TEST_error("forbidden cipher: %s", SSL_CIPHER_get_name(cipher)); return 0; } } return 1; } /* * Test that handshake-layer APIs which shouldn't work don't work with QUIC. */ static int test_quic_forbidden_apis_ctx(void) { int testresult = 0; SSL_CTX *ctx = NULL; if (!TEST_ptr(ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()))) goto err; #ifndef OPENSSL_NO_SRTP /* This function returns 0 on success and 1 on error, and should fail. */ if (!TEST_true(SSL_CTX_set_tlsext_use_srtp(ctx, "SRTP_AEAD_AES_128_GCM"))) goto err; #endif /* * List of ciphersuites we do and don't allow in QUIC. */ #define QUIC_CIPHERSUITES \ "TLS_AES_128_GCM_SHA256:" \ "TLS_AES_256_GCM_SHA384:" \ "TLS_CHACHA20_POLY1305_SHA256" #define NON_QUIC_CIPHERSUITES \ "TLS_AES_128_CCM_SHA256:" \ "TLS_AES_256_CCM_SHA384:" \ "TLS_AES_128_CCM_8_SHA256" /* Set TLSv1.3 ciphersuite list for the SSL_CTX. */ if (!TEST_true(SSL_CTX_set_ciphersuites(ctx, QUIC_CIPHERSUITES ":" NON_QUIC_CIPHERSUITES))) goto err; /* * Forbidden ciphersuites should show up in SSL_CTX accessors, they are only * filtered in SSL_get1_supported_ciphers, so we don't check for * non-inclusion here. */ testresult = 1; err: SSL_CTX_free(ctx); return testresult; } static int test_quic_forbidden_apis(void) { int testresult = 0; SSL_CTX *ctx = NULL; SSL *ssl = NULL; STACK_OF(SSL_CIPHER) *ciphers = NULL; if (!TEST_ptr(ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()))) goto err; if (!TEST_ptr(ssl = SSL_new(ctx))) goto err; #ifndef OPENSSL_NO_SRTP /* This function returns 0 on success and 1 on error, and should fail. */ if (!TEST_true(SSL_set_tlsext_use_srtp(ssl, "SRTP_AEAD_AES_128_GCM"))) goto err; #endif /* Set TLSv1.3 ciphersuite list for the SSL_CTX. */ if (!TEST_true(SSL_set_ciphersuites(ssl, QUIC_CIPHERSUITES ":" NON_QUIC_CIPHERSUITES))) goto err; /* Non-QUIC ciphersuites must not appear in supported ciphers list. */ if (!TEST_ptr(ciphers = SSL_get1_supported_ciphers(ssl)) || !TEST_true(ensure_valid_ciphers(ciphers))) goto err; testresult = 1; err: sk_SSL_CIPHER_free(ciphers); SSL_free(ssl); SSL_CTX_free(ctx); return testresult; } static int test_quic_forbidden_options(void) { int testresult = 0; SSL_CTX *ctx = NULL; SSL *ssl = NULL; char buf[16]; size_t len; if (!TEST_ptr(ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()))) goto err; /* QUIC options restrictions do not affect SSL_CTX */ SSL_CTX_set_options(ctx, UINT64_MAX); if (!TEST_uint64_t_eq(SSL_CTX_get_options(ctx), UINT64_MAX)) goto err; /* Set options on CTX which should not be inherited (tested below). */ SSL_CTX_set_read_ahead(ctx, 1); SSL_CTX_set_max_early_data(ctx, 1); SSL_CTX_set_recv_max_early_data(ctx, 1); SSL_CTX_set_quiet_shutdown(ctx, 1); if (!TEST_ptr(ssl = SSL_new(ctx))) goto err; /* Only permitted options get transferred to SSL object */ if (!TEST_uint64_t_eq(SSL_get_options(ssl), OSSL_QUIC_PERMITTED_OPTIONS)) goto err; /* Try again using SSL_set_options */ SSL_set_options(ssl, UINT64_MAX); if (!TEST_uint64_t_eq(SSL_get_options(ssl), OSSL_QUIC_PERMITTED_OPTIONS)) goto err; /* Clear everything */ SSL_clear_options(ssl, UINT64_MAX); if (!TEST_uint64_t_eq(SSL_get_options(ssl), 0)) goto err; /* Readahead */ if (!TEST_false(SSL_get_read_ahead(ssl))) goto err; SSL_set_read_ahead(ssl, 1); if (!TEST_false(SSL_get_read_ahead(ssl))) goto err; /* Block padding */ if (!TEST_true(SSL_set_block_padding(ssl, 0)) || !TEST_true(SSL_set_block_padding(ssl, 1)) || !TEST_false(SSL_set_block_padding(ssl, 2))) goto err; /* Max fragment length */ if (!TEST_true(SSL_set_tlsext_max_fragment_length(ssl, TLSEXT_max_fragment_length_DISABLED)) || !TEST_false(SSL_set_tlsext_max_fragment_length(ssl, TLSEXT_max_fragment_length_512))) goto err; /* Max early data */ if (!TEST_false(SSL_set_recv_max_early_data(ssl, 1)) || !TEST_false(SSL_set_max_early_data(ssl, 1))) goto err; /* Read/Write */ if (!TEST_false(SSL_read_early_data(ssl, buf, sizeof(buf), &len)) || !TEST_false(SSL_write_early_data(ssl, buf, sizeof(buf), &len))) goto err; /* Buffer Management */ if (!TEST_true(SSL_alloc_buffers(ssl)) || !TEST_false(SSL_free_buffers(ssl))) goto err; /* Pipelining */ if (!TEST_false(SSL_set_max_send_fragment(ssl, 2)) || !TEST_false(SSL_set_split_send_fragment(ssl, 2)) || !TEST_false(SSL_set_max_pipelines(ssl, 2))) goto err; /* HRR */ if (!TEST_false(SSL_stateless(ssl))) goto err; /* Quiet Shutdown */ if (!TEST_false(SSL_get_quiet_shutdown(ssl))) goto err; /* No duplication */ if (!TEST_ptr_null(SSL_dup(ssl))) goto err; /* No clear */ if (!TEST_false(SSL_clear(ssl))) goto err; testresult = 1; err: SSL_free(ssl); SSL_CTX_free(ctx); return testresult; } static int test_quic_set_fd(int idx) { int testresult = 0; SSL_CTX *ctx = NULL; SSL *ssl = NULL; int fd = -1, resfd = -1; BIO *bio = NULL; if (!TEST_ptr(ctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()))) goto err; if (!TEST_ptr(ssl = SSL_new(ctx))) goto err; if (!TEST_int_ge(fd = BIO_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0), 0)) goto err; if (idx == 0) { if (!TEST_true(SSL_set_fd(ssl, fd))) goto err; if (!TEST_ptr(bio = SSL_get_rbio(ssl))) goto err; if (!TEST_ptr_eq(bio, SSL_get_wbio(ssl))) goto err; } else if (idx == 1) { if (!TEST_true(SSL_set_rfd(ssl, fd))) goto err; if (!TEST_ptr(bio = SSL_get_rbio(ssl))) goto err; if (!TEST_ptr_null(SSL_get_wbio(ssl))) goto err; } else { if (!TEST_true(SSL_set_wfd(ssl, fd))) goto err; if (!TEST_ptr(bio = SSL_get_wbio(ssl))) goto err; if (!TEST_ptr_null(SSL_get_rbio(ssl))) goto err; } if (!TEST_int_eq(BIO_method_type(bio), BIO_TYPE_DGRAM)) goto err; if (!TEST_true(BIO_get_fd(bio, &resfd)) || !TEST_int_eq(resfd, fd)) goto err; testresult = 1; err: SSL_free(ssl); SSL_CTX_free(ctx); if (fd >= 0) BIO_closesocket(fd); return testresult; } #define MAXLOOPS 1000 static int test_bio_ssl(void) { /* * We just use OSSL_QUIC_client_method() rather than * OSSL_QUIC_client_thread_method(). We will never leave the connection idle * so we will always be implicitly handling time events anyway via other * IO calls. */ SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL, *stream = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; BIO *cbio = NULL, *strbio = NULL, *thisbio; const char *msg = "Hello world"; int abortctr = 0, err, clienterr = 0, servererr = 0, retc = 0, rets = 0; size_t written, readbytes, msglen; int sid = 0, i; unsigned char buf[80]; if (!TEST_ptr(cctx)) goto err; cbio = BIO_new_ssl(cctx, 1); if (!TEST_ptr(cbio)) goto err; /* * We must configure the ALPN/peer address etc so we get the SSL object in * order to pass it to qtest_create_quic_objects for configuration. */ if (!TEST_int_eq(BIO_get_ssl(cbio, &clientquic), 1)) goto err; if (!TEST_true(qtest_create_quic_objects(libctx, NULL, NULL, cert, privkey, 0, &qtserv, &clientquic, NULL, NULL))) goto err; msglen = strlen(msg); do { err = BIO_FLAGS_WRITE; while (!clienterr && !retc && err == BIO_FLAGS_WRITE) { retc = BIO_write_ex(cbio, msg, msglen, &written); if (!retc) { if (BIO_should_retry(cbio)) err = BIO_retry_type(cbio); else err = 0; } } if (!clienterr && retc <= 0 && err != BIO_FLAGS_READ) { TEST_info("BIO_write_ex() failed %d, %d", retc, err); TEST_openssl_errors(); clienterr = 1; } if (!servererr && rets <= 0) { ossl_quic_tserver_tick(qtserv); servererr = ossl_quic_tserver_is_term_any(qtserv); if (!servererr) rets = ossl_quic_tserver_is_handshake_confirmed(qtserv); } if (clienterr && servererr) goto err; if (++abortctr == MAXLOOPS) { TEST_info("No progress made"); goto err; } } while ((!retc && !clienterr) || (rets <= 0 && !servererr)); /* * 2 loops: The first using the default stream, and the second using a new * client initiated bidi stream. */ for (i = 0, thisbio = cbio; i < 2; i++) { if (!TEST_true(ossl_quic_tserver_read(qtserv, sid, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(msg, msglen, buf, readbytes)) goto err; if (!TEST_true(ossl_quic_tserver_write(qtserv, sid, (unsigned char *)msg, msglen, &written))) goto err; ossl_quic_tserver_tick(qtserv); if (!TEST_true(BIO_read_ex(thisbio, buf, sizeof(buf), &readbytes)) || !TEST_mem_eq(msg, msglen, buf, readbytes)) goto err; if (i == 1) break; /* * Now create a new stream and repeat. The bottom two bits of the stream * id represents whether the stream is bidi and whether it is client * initiated or not. For client initiated bidi they are both 0. So the * first client initiated bidi stream is 0 and the next one is 4. */ sid = 4; stream = SSL_new_stream(clientquic, 0); if (!TEST_ptr(stream)) goto err; thisbio = strbio = BIO_new(BIO_f_ssl()); if (!TEST_ptr(strbio)) goto err; if (!TEST_int_eq(BIO_set_ssl(thisbio, stream, BIO_CLOSE), 1)) goto err; stream = NULL; if (!TEST_true(BIO_write_ex(thisbio, msg, msglen, &written))) goto err; ossl_quic_tserver_tick(qtserv); } testresult = 1; err: BIO_free_all(cbio); BIO_free_all(strbio); SSL_free(stream); ossl_quic_tserver_free(qtserv); SSL_CTX_free(cctx); return testresult; } #define BACK_PRESSURE_NUM_LOOPS 10000 /* * Test that sending data from the client to the server faster than the server * can process it eventually results in back pressure on the client. */ static int test_back_pressure(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; unsigned char *msg = NULL; const size_t msglen = 1024; unsigned char buf[64]; size_t readbytes, written; int i; if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, 0, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; msg = OPENSSL_malloc(msglen); if (!TEST_ptr(msg)) goto err; if (!TEST_int_eq(RAND_bytes_ex(libctx, msg, msglen, 0), 1)) goto err; /* * Limit to 10000 loops. If we've not seen any back pressure after that * we're going to run out of memory, so abort. */ for (i = 0; i < BACK_PRESSURE_NUM_LOOPS; i++) { /* Send data from the client */ if (!SSL_write_ex(clientquic, msg, msglen, &written)) { /* Check if we are seeing back pressure */ if (SSL_get_error(clientquic, 0) == SSL_ERROR_WANT_WRITE) break; TEST_error("Unexpected client failure"); goto err; } /* Receive data at the server */ ossl_quic_tserver_tick(qtserv); if (!TEST_true(ossl_quic_tserver_read(qtserv, 0, buf, sizeof(buf), &readbytes))) goto err; } if (i == BACK_PRESSURE_NUM_LOOPS) { TEST_error("No back pressure seen"); goto err; } testresult = 1; err: SSL_free(clientquic); ossl_quic_tserver_free(qtserv); SSL_CTX_free(cctx); OPENSSL_free(msg); return testresult; } static int dgram_ctr = 0; static void dgram_cb(int write_p, int version, int content_type, const void *buf, size_t msglen, SSL *ssl, void *arg) { if (!write_p) return; if (content_type != SSL3_RT_QUIC_DATAGRAM) return; dgram_ctr++; } /* Test that we send multiple datagrams in one go when appropriate */ static int test_multiple_dgrams(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; unsigned char *buf; const size_t buflen = 1400; size_t written; buf = OPENSSL_zalloc(buflen); if (!TEST_ptr(cctx) || !TEST_ptr(buf) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, 0, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; dgram_ctr = 0; SSL_set_msg_callback(clientquic, dgram_cb); if (!TEST_true(SSL_write_ex(clientquic, buf, buflen, &written)) || !TEST_size_t_eq(written, buflen) /* We wrote enough data for 2 datagrams */ || !TEST_int_eq(dgram_ctr, 2)) goto err; testresult = 1; err: OPENSSL_free(buf); SSL_free(clientquic); ossl_quic_tserver_free(qtserv); SSL_CTX_free(cctx); return testresult; } static int non_io_retry_cert_verify_cb(X509_STORE_CTX *ctx, void *arg) { int idx = SSL_get_ex_data_X509_STORE_CTX_idx(); SSL *ssl; const int *allow = (int *)arg; /* this should not happen but check anyway */ if (idx < 0 || (ssl = X509_STORE_CTX_get_ex_data(ctx, idx)) == NULL) return 0; /* If this is our first attempt then retry */ if (*allow == 0) return SSL_set_retry_verify(ssl); /* Otherwise do nothing - verification succeeds. Continue as normal */ return 1; } /* Test that we can handle a non-io related retry error * Test 0: Non-blocking * Test 1: Blocking */ static int test_non_io_retry(int idx) { SSL_CTX *cctx; SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; int flags = 0, allow = 0; if (idx >= 1 && !qtest_supports_blocking()) return TEST_skip("Blocking tests not supported in this build"); cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); if (!TEST_ptr(cctx)) goto err; SSL_CTX_set_cert_verify_callback(cctx, non_io_retry_cert_verify_cb, &allow); flags = (idx >= 1) ? QTEST_FLAG_BLOCK : 0; if (!TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, flags, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(qtest_create_quic_connection_ex(qtserv, clientquic, SSL_ERROR_WANT_RETRY_VERIFY)) || !TEST_int_eq(SSL_want(clientquic), SSL_RETRY_VERIFY)) goto err; allow = 1; if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; testresult = 1; err: SSL_free(clientquic); ossl_quic_tserver_free(qtserv); SSL_CTX_free(cctx); return testresult; } static int use_session_cb_cnt = 0; static int find_session_cb_cnt = 0; static const char *pskid = "Identity"; static SSL_SESSION *serverpsk = NULL, *clientpsk = NULL; static int use_session_cb(SSL *ssl, const EVP_MD *md, const unsigned char **id, size_t *idlen, SSL_SESSION **sess) { use_session_cb_cnt++; if (clientpsk == NULL) return 0; 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++; if (serverpsk == NULL) return 0; /* Identity should match that set by the client */ if (strlen(pskid) != identity_len || strncmp(pskid, (const char *)identity, identity_len) != 0) return 0; SSL_SESSION_up_ref(serverpsk); *sess = serverpsk; return 1; } static int test_quic_psk(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; if (!TEST_ptr(cctx) /* No cert or private key for the server, i.e. PSK only */ || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, NULL, NULL, 0, &qtserv, &clientquic, NULL, NULL))) goto end; SSL_set_psk_use_session_callback(clientquic, use_session_cb); ossl_quic_tserver_set_psk_find_session_cb(qtserv, find_session_cb); use_session_cb_cnt = 0; find_session_cb_cnt = 0; clientpsk = serverpsk = create_a_psk(clientquic, SHA384_DIGEST_LENGTH); if (!TEST_ptr(clientpsk)) goto end; /* We already had one ref. Add another one */ SSL_SESSION_up_ref(clientpsk); if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic)) || !TEST_int_eq(1, find_session_cb_cnt) || !TEST_int_eq(1, use_session_cb_cnt) /* Check that we actually used the PSK */ || !TEST_true(SSL_session_reused(clientquic))) goto end; testresult = 1; end: SSL_free(clientquic); ossl_quic_tserver_free(qtserv); SSL_CTX_free(cctx); SSL_SESSION_free(clientpsk); SSL_SESSION_free(serverpsk); clientpsk = serverpsk = NULL; return testresult; } static int test_client_auth(int idx) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL_CTX *sctx = SSL_CTX_new_ex(libctx, NULL, TLS_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; unsigned char buf[20]; static char *msg = "A test message"; size_t msglen = strlen(msg); size_t numbytes = 0; if (!TEST_ptr(cctx) || !TEST_ptr(sctx)) goto err; SSL_CTX_set_verify(sctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | SSL_VERIFY_CLIENT_ONCE, NULL); if (!TEST_true(SSL_CTX_load_verify_file(sctx, cauthca))) goto err; if (idx > 0 && (!TEST_true(SSL_CTX_use_certificate_chain_file(cctx, ccert)) || !TEST_true(SSL_CTX_use_PrivateKey_file(cctx, cprivkey, SSL_FILETYPE_PEM)))) goto err; if (!TEST_true(qtest_create_quic_objects(libctx, cctx, sctx, cert, privkey, 0, &qtserv, &clientquic, NULL, NULL))) goto err; if (idx > 1) { if (!TEST_true(ssl_ctx_add_large_cert_chain(libctx, cctx, ccert)) || !TEST_true(ssl_ctx_add_large_cert_chain(libctx, sctx, cert))) goto err; } if (idx == 0) { if (!TEST_false(qtest_create_quic_connection(qtserv, clientquic))) goto err; /* negative test passed */ testresult = 1; goto err; } if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; /* Check that sending and receiving app data is ok */ if (!TEST_true(SSL_write_ex(clientquic, msg, msglen, &numbytes)) || !TEST_size_t_eq(numbytes, msglen)) goto err; ossl_quic_tserver_tick(qtserv); if (!TEST_true(ossl_quic_tserver_write(qtserv, 0, (unsigned char *)msg, msglen, &numbytes))) goto err; ossl_quic_tserver_tick(qtserv); SSL_handle_events(clientquic); if (!TEST_true(SSL_read_ex(clientquic, buf, sizeof(buf), &numbytes)) || !TEST_size_t_eq(numbytes, msglen) || !TEST_mem_eq(buf, numbytes, msg, msglen)) goto err; if (!TEST_true(qtest_shutdown(qtserv, clientquic))) goto err; testresult = 1; err: SSL_free(clientquic); ossl_quic_tserver_free(qtserv); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } /* * Test that we correctly handle ALPN supplied by the application * Test 0: ALPN is provided * Test 1: No ALPN is provided */ static int test_alpn(int idx) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; int ret; /* * Ensure we only configure ciphersuites that are available with both the * default and fips providers to get the same output in both cases */ if (!TEST_true(SSL_CTX_set_ciphersuites(cctx, "TLS_AES_128_GCM_SHA256"))) goto err; if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, QTEST_FLAG_FAKE_TIME, &qtserv, &clientquic, NULL, NULL))) goto err; if (idx == 0) { /* * Clear the ALPN we set in qtest_create_quic_objects. We use TEST_false * because SSL_set_alpn_protos returns 0 for success. */ if (!TEST_false(SSL_set_alpn_protos(clientquic, NULL, 0))) goto err; } ret = SSL_connect(clientquic); if (!TEST_int_le(ret, 0)) goto err; if (idx == 0) { /* We expect an immediate error due to lack of ALPN */ if (!TEST_int_eq(SSL_get_error(clientquic, ret), SSL_ERROR_SSL)) goto err; } else { /* ALPN was provided so we expect the connection to succeed */ if (!TEST_int_eq(SSL_get_error(clientquic, ret), SSL_ERROR_WANT_READ) || !TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; } testresult = 1; err: ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); return testresult; } /* * Test SSL_get_shutdown() behavior. */ static int test_get_shutdown(void) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL; QUIC_TSERVER *qtserv = NULL; int testresult = 0; if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, QTEST_FLAG_FAKE_TIME, &qtserv, &clientquic, NULL, NULL)) || !TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; if (!TEST_int_eq(SSL_get_shutdown(clientquic), 0)) goto err; if (!TEST_int_eq(SSL_shutdown(clientquic), 0)) goto err; if (!TEST_int_eq(SSL_get_shutdown(clientquic), SSL_SENT_SHUTDOWN)) goto err; do { ossl_quic_tserver_tick(qtserv); qtest_add_time(100); } while (SSL_shutdown(clientquic) == 0); if (!TEST_int_eq(SSL_get_shutdown(clientquic), SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN)) goto err; testresult = 1; err: ossl_quic_tserver_free(qtserv); SSL_free(clientquic); SSL_CTX_free(cctx); return testresult; } #define MAX_LOOPS 2000 /* * Keep retrying SSL_read_ex until it succeeds or we give up. Accept a stream * if we don't already have one */ static int unreliable_client_read(SSL *clientquic, SSL **stream, void *buf, size_t buflen, size_t *readbytes, QUIC_TSERVER *qtserv) { int abortctr; /* We just do this in a loop with a sleep for simplicity */ for (abortctr = 0; abortctr < MAX_LOOPS; abortctr++) { if (*stream == NULL) { SSL_handle_events(clientquic); *stream = SSL_accept_stream(clientquic, 0); } if (*stream != NULL) { if (SSL_read_ex(*stream, buf, buflen, readbytes)) return 1; if (!TEST_int_eq(SSL_get_error(*stream, 0), SSL_ERROR_WANT_READ)) return 0; } ossl_quic_tserver_tick(qtserv); qtest_add_time(1); qtest_wait_for_timeout(clientquic, qtserv); } TEST_error("No progress made"); return 0; } /* Keep retrying ossl_quic_tserver_read until it succeeds or we give up */ static int unreliable_server_read(QUIC_TSERVER *qtserv, uint64_t sid, void *buf, size_t buflen, size_t *readbytes, SSL *clientquic) { int abortctr; /* We just do this in a loop with a sleep for simplicity */ for (abortctr = 0; abortctr < MAX_LOOPS; abortctr++) { if (ossl_quic_tserver_read(qtserv, sid, buf, buflen, readbytes) && *readbytes > 1) return 1; ossl_quic_tserver_tick(qtserv); SSL_handle_events(clientquic); qtest_add_time(1); qtest_wait_for_timeout(clientquic, qtserv); } TEST_error("No progress made"); return 0; } /* * Create a connection and send data using an unreliable transport. We introduce * random noise to drop, delay and duplicate datagrams. * Test 0: Introduce random noise to datagrams * Test 1: As with test 0 but also split datagrams containing multiple packets * into individual datagrams so that individual packets can be affected * by noise - not just a whole datagram. */ static int test_noisy_dgram(int idx) { SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method()); SSL *clientquic = NULL, *stream[2] = { NULL, NULL }; QUIC_TSERVER *qtserv = NULL; int testresult = 0; uint64_t sid = 0; char *msg = "Hello world!"; size_t msglen = strlen(msg), written, readbytes, i, j; unsigned char buf[80]; int flags = QTEST_FLAG_NOISE | QTEST_FLAG_FAKE_TIME; QTEST_FAULT *fault = NULL; if (idx == 1) flags |= QTEST_FLAG_PACKET_SPLIT; if (!TEST_ptr(cctx) || !TEST_true(qtest_create_quic_objects(libctx, cctx, NULL, cert, privkey, flags, &qtserv, &clientquic, &fault, NULL))) goto err; if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic))) goto err; if (!TEST_true(SSL_set_incoming_stream_policy(clientquic, SSL_INCOMING_STREAM_POLICY_ACCEPT, 0)) || !TEST_true(SSL_set_default_stream_mode(clientquic, SSL_DEFAULT_STREAM_MODE_NONE))) goto err; for (j = 0; j < 2; j++) { if (!TEST_true(ossl_quic_tserver_stream_new(qtserv, 0, &sid))) goto err; ossl_quic_tserver_tick(qtserv); qtest_add_time(1); /* * Send data from the server to the client. Some datagrams may get * lost, modified, dropped or re-ordered. We repeat 20 times to ensure * we are sending enough datagrams for problems to be noticed. */ for (i = 0; i < 20; i++) { if (!TEST_true(ossl_quic_tserver_write(qtserv, sid, (unsigned char *)msg, msglen, &written)) || !TEST_size_t_eq(msglen, written)) goto err; ossl_quic_tserver_tick(qtserv); qtest_add_time(1); /* * Since the underlying BIO is now noisy we may get failures that * need to be retried - so we use unreliable_client_read() to * handle that */ if (!TEST_true(unreliable_client_read(clientquic, &stream[j], buf, sizeof(buf), &readbytes, qtserv)) || !TEST_mem_eq(msg, msglen, buf, readbytes)) goto err; } /* Send data from the client to the server */ for (i = 0; i < 20; i++) { if (!TEST_true(SSL_write_ex(stream[j], (unsigned char *)msg, msglen, &written)) || !TEST_size_t_eq(msglen, written)) goto err; ossl_quic_tserver_tick(qtserv); qtest_add_time(1); /* * Since the underlying BIO is now noisy we may get failures that * need to be retried - so we use unreliable_server_read() to * handle that */ if (!TEST_true(unreliable_server_read(qtserv, sid, buf, sizeof(buf), &readbytes, clientquic)) || !TEST_mem_eq(msg, msglen, buf, readbytes)) goto err; } } testresult = 1; err: ossl_quic_tserver_free(qtserv); SSL_free(stream[0]); SSL_free(stream[1]); SSL_free(clientquic); SSL_CTX_free(cctx); qtest_fault_free(fault); return testresult; } OPT_TEST_DECLARE_USAGE("provider config certsdir datadir\n") int setup_tests(void) { char *modulename; char *configfile; libctx = OSSL_LIB_CTX_new(); if (!TEST_ptr(libctx)) return 0; defctxnull = OSSL_PROVIDER_load(NULL, "null"); /* * Verify that the default and fips providers in the default libctx are not * available */ if (!TEST_false(OSSL_PROVIDER_available(NULL, "default")) || !TEST_false(OSSL_PROVIDER_available(NULL, "fips"))) goto err; if (!test_skip_common_options()) { TEST_error("Error parsing test options\n"); goto err; } if (!TEST_ptr(modulename = test_get_argument(0)) || !TEST_ptr(configfile = test_get_argument(1)) || !TEST_ptr(certsdir = test_get_argument(2)) || !TEST_ptr(datadir = test_get_argument(3))) goto err; if (!TEST_true(OSSL_LIB_CTX_load_config(libctx, configfile))) goto err; /* Check we have the expected provider available */ if (!TEST_true(OSSL_PROVIDER_available(libctx, modulename))) goto err; /* Check the default provider is not available */ if (strcmp(modulename, "default") != 0 && !TEST_false(OSSL_PROVIDER_available(libctx, "default"))) goto err; if (strcmp(modulename, "fips") == 0) is_fips = 1; cert = test_mk_file_path(certsdir, "servercert.pem"); if (cert == NULL) goto err; ccert = test_mk_file_path(certsdir, "ee-client-chain.pem"); if (ccert == NULL) goto err; cauthca = test_mk_file_path(certsdir, "root-cert.pem"); if (cauthca == NULL) goto err; privkey = test_mk_file_path(certsdir, "serverkey.pem"); if (privkey == NULL) goto err; cprivkey = test_mk_file_path(certsdir, "ee-key.pem"); if (privkey == NULL) goto err; ADD_ALL_TESTS(test_quic_write_read, 3); ADD_TEST(test_fin_only_blocking); ADD_TEST(test_ciphersuites); ADD_TEST(test_cipher_find); ADD_TEST(test_version); #if defined(DO_SSL_TRACE_TEST) ADD_TEST(test_ssl_trace); #endif ADD_TEST(test_quic_forbidden_apis_ctx); ADD_TEST(test_quic_forbidden_apis); ADD_TEST(test_quic_forbidden_options); ADD_ALL_TESTS(test_quic_set_fd, 3); ADD_TEST(test_bio_ssl); ADD_TEST(test_back_pressure); ADD_TEST(test_multiple_dgrams); ADD_ALL_TESTS(test_non_io_retry, 2); ADD_TEST(test_quic_psk); ADD_ALL_TESTS(test_client_auth, 3); ADD_ALL_TESTS(test_alpn, 2); ADD_ALL_TESTS(test_noisy_dgram, 2); ADD_TEST(test_get_shutdown); return 1; err: cleanup_tests(); return 0; } void cleanup_tests(void) { bio_f_noisy_dgram_filter_free(); bio_f_pkt_split_dgram_filter_free(); OPENSSL_free(cert); OPENSSL_free(privkey); OPENSSL_free(ccert); OPENSSL_free(cauthca); OPENSSL_free(cprivkey); OSSL_PROVIDER_unload(defctxnull); OSSL_LIB_CTX_free(libctx); }