/* * Copyright 2016 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 "test_main_custom.h" #include "e_os.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 int server_log_buffer_index = 0; static char client_log_buffer[LOG_BUFFER_SIZE + 1] = {0}; static int 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 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) > LOG_BUFFER_SIZE) { printf("No room in client log\n"); error_writing_log = 1; return; } strcat(client_log_buffer, line); client_log_buffer_index += line_length; client_log_buffer[client_log_buffer_index] = '\n'; client_log_buffer_index += 1; return; } 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) > LOG_BUFFER_SIZE) { printf("No room in server log\n"); error_writing_log = 1; return; } strcat(server_log_buffer, line); server_log_buffer_index += line_length; server_log_buffer[server_log_buffer_index] = '\n'; server_log_buffer_index += 1; return; } 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; size_t j; /* One byte too big, just to be safe. */ char hexed[3] = {0}; if ((raw_length * 2) != hex_length) { printf("Inconsistent hex encoded lengths.\n"); return 1; } for (i = j = 0; (i < raw_length) && ((j + 1) < hex_length); i++) { sprintf(hexed, "%02x", raw[i]); if ((hexed[0] != hex_encoded[j]) || (hexed[1] != hex_encoded[j + 1])) { printf("Hex output does not match.\n"); return 1; } j += 2; } return 0; } static int test_keylog_output(char *buffer, const SSL *ssl, const SSL_SESSION *session) { int saw_client_random = 0; 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; token = strtok(buffer, " \n"); while (token) { 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. */ token = strtok(NULL, " \n"); if (!token) { printf("Unexpectedly short premaster secret log.\n"); return -1; } if (strlen(token) != 16) { printf("Bad value for encrypted secret: %s\n", token); return -1; } token = strtok(NULL, " \n"); if (!token) { printf("Unexpectedly short premaster secret log.\n"); return -1; } /* TODO: Can I check this sensibly? */ } 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 (client_random_size != SSL3_RANDOM_SIZE) { printf("Unexpected short client random.\n"); return -1; } token = strtok(NULL, " \n"); if (!token) { printf("Unexpected short master secret log.\n"); return -1; } if (strlen(token) != 64) { printf("Bad value for client random: %s\n", token); return -1; } if (compare_hex_encoded_buffer(token, 64, actual_client_random, client_random_size)) { printf("Bad value for client random: %s\n", token); return -1; } token = strtok(NULL, " \n"); if (!token) { printf("Unexpectedly short master secret log.\n"); return -1; } master_key_size = SSL_SESSION_get_master_key(session, actual_master_key, master_key_size); if (!master_key_size) { printf("Error getting master key to compare.\n"); return -1; } if (compare_hex_encoded_buffer(token, strlen(token), actual_master_key, master_key_size)) { printf("Bad value for master key: %s\n", token); return -1; } saw_client_random = 1; } else { printf("Unexpected token in buffer: %s\n", token); return -1; } token = strtok(NULL, " \n"); } return saw_client_random; } static int test_keylog(void) { SSL_CTX *cctx = NULL, *sctx = NULL; SSL *clientssl = NULL, *serverssl = NULL; int testresult = 0; /* Clean up logging space */ memset(client_log_buffer, 0, LOG_BUFFER_SIZE + 1); memset(server_log_buffer, 0, LOG_BUFFER_SIZE + 1); client_log_buffer_index = 0; server_log_buffer_index = 0; error_writing_log = 0; if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) { printf("Unable to create SSL_CTX pair\n"); 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); if (SSL_CTX_get_keylog_callback(cctx)) { printf("Unexpected initial value for client " "SSL_CTX_get_keylog_callback()\n"); goto end; } if (SSL_CTX_get_keylog_callback(sctx)) { printf("Unexpected initial value for server " "SSL_CTX_get_keylog_callback()\n"); goto end; } SSL_CTX_set_keylog_callback(cctx, client_keylog_callback); SSL_CTX_set_keylog_callback(sctx, server_keylog_callback); if (SSL_CTX_get_keylog_callback(cctx) != client_keylog_callback) { printf("Unexpected set value for client " "SSL_CTX_get_keylog_callback()\n"); } if (SSL_CTX_get_keylog_callback(sctx) != server_keylog_callback) { printf("Unexpected set value for server " "SSL_CTX_get_keylog_callback()\n"); } /* Now do a handshake and check that the logs have been written to. */ if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl, clientssl)) { printf("Unable to create SSL connection\n"); goto end; } if (error_writing_log) { printf("Error encountered while logging\n"); goto end; } if ((client_log_buffer_index == 0) || (server_log_buffer_index == 0)) { printf("No logs written\n"); 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. */ if (test_keylog_output(client_log_buffer, clientssl, SSL_get_session(clientssl)) != 1) { printf("Error encountered in client log buffer\n"); goto end; } if (test_keylog_output(server_log_buffer, serverssl, SSL_get_session(serverssl)) != 1) { printf("Error encountered in server log buffer\n"); 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; /* Clean up logging space */ memset(client_log_buffer, 0, LOG_BUFFER_SIZE + 1); memset(server_log_buffer, 0, LOG_BUFFER_SIZE + 1); client_log_buffer_index = 0; server_log_buffer_index = 0; error_writing_log = 0; if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) { printf("Unable to create SSL_CTX pair\n"); return 0; } if (SSL_CTX_get_keylog_callback(cctx)) { printf("Unexpected initial value for client " "SSL_CTX_get_keylog_callback()\n"); goto end; } if (SSL_CTX_get_keylog_callback(sctx)) { printf("Unexpected initial value for server " "SSL_CTX_get_keylog_callback()\n"); goto end; } SSL_CTX_set_keylog_callback(cctx, client_keylog_callback); SSL_CTX_set_keylog_callback(sctx, server_keylog_callback); if (SSL_CTX_get_keylog_callback(cctx) != client_keylog_callback) { printf("Unexpected set value for client " "SSL_CTX_get_keylog_callback()\n"); } if (SSL_CTX_get_keylog_callback(sctx) != server_keylog_callback) { printf("Unexpected set value for server " "SSL_CTX_get_keylog_callback()\n"); } /* Now do a handshake and check that the logs have been written to. */ if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl, clientssl)) { printf("Unable to create SSL connection\n"); goto end; } if (error_writing_log) { printf("Error encountered while logging\n"); goto end; } /* Now we want to test that our output data was vaguely sensible. For this * test, we expect no CLIENT_RANDOM entry. */ if (test_keylog_output(client_log_buffer, clientssl, SSL_get_session(clientssl)) != 0) { printf("Error encountered in client log buffer\n"); goto end; } if (test_keylog_output(server_log_buffer, serverssl, SSL_get_session(serverssl)) != 0) { printf("Error encountered in server log buffer\n"); 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 = BIO_new_file(cert, "r"); X509 *chaincert = NULL; int certlen; if (certbio == NULL) { printf("Can't load the certficate file\n"); goto end; } chaincert = PEM_read_bio_X509(certbio, NULL, NULL, NULL); BIO_free(certbio); certbio = NULL; if (chaincert == NULL) { printf("Unable to load certificate for chain\n"); goto end; } if (!create_ssl_ctx_pair(smeth, cmeth, &sctx, &cctx, cert, privkey)) { printf("Unable to create SSL_CTX pair\n"); 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 allocing 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)) { printf("Unable to up ref cert\n"); goto end; } if (!SSL_CTX_add_extra_chain_cert(sctx, chaincert)) { printf("Unable to add extra chain cert %d\n", i); X509_free(chaincert); goto end; } } if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl, clientssl)) { printf("Unable to create SSL connection\n"); goto end; } /* * Calling SSL_clear() first is not required but this tests that SSL_clear() * doesn't leak (when using enable-crypto-mdebug). */ if (!SSL_clear(serverssl)) { printf("Unexpected failure from SSL_clear()\n"); 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 *orespdercopy = 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; } orespdercopy = OPENSSL_memdup(orespder, sizeof(orespder)); if (orespdercopy == NULL) return SSL_TLSEXT_ERR_ALERT_FATAL; SSL_set_tlsext_status_ocsp_resp(s, orespdercopy, 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 (memcmp(orespder, respderin, len) != 0) 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)) { printf("Unable to create SSL_CTX pair\n"); return 0; } if (SSL_CTX_get_tlsext_status_type(cctx) != -1) { printf("Unexpected initial value for " "SSL_CTX_get_tlsext_status_type()\n"); goto end; } /* First just do various checks getting and setting tlsext_status_type */ clientssl = SSL_new(cctx); if (SSL_get_tlsext_status_type(clientssl) != -1) { printf("Unexpected initial value for SSL_get_tlsext_status_type()\n"); goto end; } if (!SSL_set_tlsext_status_type(clientssl, TLSEXT_STATUSTYPE_ocsp)) { printf("Unexpected fail for SSL_set_tlsext_status_type()\n"); goto end; } if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp) { printf("Unexpected result for SSL_get_tlsext_status_type()\n"); goto end; } SSL_free(clientssl); clientssl = NULL; if (!SSL_CTX_set_tlsext_status_type(cctx, TLSEXT_STATUSTYPE_ocsp)) { printf("Unexpected fail for SSL_CTX_set_tlsext_status_type()\n"); goto end; } if (SSL_CTX_get_tlsext_status_type(cctx) != TLSEXT_STATUSTYPE_ocsp) { printf("Unexpected result for SSL_CTX_get_tlsext_status_type()\n"); goto end; } clientssl = SSL_new(cctx); if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp) { printf("Unexpected result for SSL_get_tlsext_status_type() (test 2)\n"); 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 (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl, clientssl)) { printf("Unable to create SSL connection\n"); goto end; } if (!ocsp_client_called || !ocsp_server_called) { printf("OCSP callbacks not called\n"); 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 (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } /* This should fail because the callback will fail */ if (create_ssl_connection(serverssl, clientssl)) { printf("Unexpected success creating the connection\n"); goto end; } if (ocsp_client_called || ocsp_server_called) { printf("OCSP callbacks successfully called unexpectedly\n"); 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 (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } /* * We'll just use any old cert for this test - it doesn't have to be an OCSP * specifc one. We'll use the server cert. */ certbio = BIO_new_file(cert, "r"); if (certbio == NULL) { printf("Can't load the certficate file\n"); goto end; } id = OCSP_RESPID_new(); ids = sk_OCSP_RESPID_new_null(); ocspcert = PEM_read_bio_X509(certbio, NULL, NULL, NULL); if (id == NULL || ids == NULL || ocspcert == NULL || !OCSP_RESPID_set_by_key(id, ocspcert) || !sk_OCSP_RESPID_push(ids, id)) { printf("Unable to set OCSP_RESPIDs\n"); goto end; } id = NULL; SSL_set_tlsext_status_ids(clientssl, ids); /* Control has been transferred */ ids = NULL; BIO_free(certbio); certbio = NULL; if (!create_ssl_connection(serverssl, clientssl)) { printf("Unable to create SSL connection\n"); goto end; } if (!ocsp_client_called || !ocsp_server_called) { printf("OCSP callbacks not called\n"); 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 typedef struct ssl_session_test_fixture { const char *test_case_name; int use_ext_cache; int use_int_cache; } SSL_SESSION_TEST_FIXTURE; static int new_called = 0, remove_called = 0; static SSL_SESSION_TEST_FIXTURE ssl_session_set_up(const char *const test_case_name) { SSL_SESSION_TEST_FIXTURE fixture; fixture.test_case_name = test_case_name; fixture.use_ext_cache = 1; fixture.use_int_cache = 1; new_called = remove_called = 0; return fixture; } static void ssl_session_tear_down(SSL_SESSION_TEST_FIXTURE fixture) { } static int new_session_cb(SSL *ssl, SSL_SESSION *sess) { new_called++; return 1; } static void remove_session_cb(SSL_CTX *ctx, SSL_SESSION *sess) { remove_called++; } static int execute_test_session(SSL_SESSION_TEST_FIXTURE fix) { 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; if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) { printf("Unable to create SSL_CTX pair\n"); return 0; } #ifndef OPENSSL_NO_TLS1_2 /* Only allow TLS1.2 so we can force a connection failure later */ SSL_CTX_set_min_proto_version(cctx, TLS1_2_VERSION); #endif /* * TODO(TLS1.3): Test temporarily disabled for TLS1.3 until we've * implemented session resumption. */ SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION); /* Set up session cache */ if (fix.use_ext_cache) { SSL_CTX_sess_set_new_cb(cctx, new_session_cb); SSL_CTX_sess_set_remove_cb(cctx, remove_session_cb); } if (fix.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 (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL, NULL)) { printf("Unable to create SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl1, clientssl1)) { printf("Unable to create SSL connection\n"); goto end; } sess1 = SSL_get1_session(clientssl1); if (sess1 == NULL) { printf("Unexpected NULL session\n"); goto end; } if (fix.use_int_cache && SSL_CTX_add_session(cctx, sess1)) { /* Should have failed because it should already be in the cache */ printf("Unexpected success adding session to cache\n"); goto end; } if (fix.use_ext_cache && (new_called != 1 || remove_called != 0)) { printf("Session not added to cache\n"); goto end; } if (!create_ssl_objects(sctx, cctx, &serverssl2, &clientssl2, NULL, NULL)) { printf("Unable to create second SSL objects\n"); goto end; } if (!create_ssl_connection(serverssl2, clientssl2)) { printf("Unable to create second SSL connection\n"); goto end; } sess2 = SSL_get1_session(clientssl2); if (sess2 == NULL) { printf("Unexpected NULL session from clientssl2\n"); goto end; } if (fix.use_ext_cache && (new_called != 2 || remove_called != 0)) { printf("Remove session callback unexpectedly called\n"); goto end; } /* * This should clear sess2 from the cache because it is a "bad" session. See * SSL_set_session() documentation. */ if (!SSL_set_session(clientssl2, sess1)) { printf("Unexpected failure setting session\n"); goto end; } if (fix.use_ext_cache && (new_called != 2 || remove_called != 1)) { printf("Failed to call callback to remove session\n"); goto end; } if (SSL_get_session(clientssl2) != sess1) { printf("Unexpected session found\n"); goto end; } if (fix.use_int_cache) { if (!SSL_CTX_add_session(cctx, sess2)) { /* * Should have succeeded because it should not already be in the cache */ printf("Unexpected failure adding session to cache\n"); goto end; } if (!SSL_CTX_remove_session(cctx, sess2)) { printf("Unexpected failure removing session from cache\n"); goto end; } /* This is for the purposes of internal cache testing...ignore the * counter for external cache */ if (fix.use_ext_cache) remove_called--; } /* This shouldn't be in the cache so should fail */ if (SSL_CTX_remove_session(cctx, sess2)) { printf("Unexpected success removing session from cache\n"); goto end; } if (fix.use_ext_cache && (new_called != 2 || remove_called != 2)) { printf("Failed to call callback to remove session #2\n"); goto end; } #if !defined(OPENSSL_NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_2) /* Force a connection failure */ SSL_CTX_set_max_proto_version(sctx, TLS1_1_VERSION); if (!create_ssl_objects(sctx, cctx, &serverssl3, &clientssl3, NULL, NULL)) { printf("Unable to create third SSL objects\n"); goto end; } if (!SSL_set_session(clientssl3, sess1)) { printf("Unable to set session for third connection\n"); goto end; } /* This should fail because of the mismatched protocol versions */ if (create_ssl_connection(serverssl3, clientssl3)) { printf("Unable to create third SSL connection\n"); goto end; } /* We should have automatically removed the session from the cache */ if (fix.use_ext_cache && (new_called != 2 || remove_called != 3)) { printf("Failed to call callback to remove session #2\n"); goto end; } if (fix.use_int_cache && !SSL_CTX_add_session(cctx, sess2)) { /* * Should have succeeded because it should not already be in the cache */ printf("Unexpected failure adding session to cache #2\n"); goto end; } #endif 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); /* * Check if we need to remove any sessions up-refed for the external cache */ if (new_called >= 1) SSL_SESSION_free(sess1); if (new_called >= 2) SSL_SESSION_free(sess2); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } static int test_session_with_only_int_cache(void) { SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up); fixture.use_ext_cache = 0; EXECUTE_TEST(execute_test_session, ssl_session_tear_down); } static int test_session_with_only_ext_cache(void) { SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up); fixture.use_int_cache = 0; EXECUTE_TEST(execute_test_session, ssl_session_tear_down); } static int test_session_with_both_cache(void) { SETUP_TEST_FIXTURE(SSL_SESSION_TEST_FIXTURE, ssl_session_set_up); EXECUTE_TEST(execute_test_session, ssl_session_tear_down); } #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 = SSL_CTX_new(TLS_method()); 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; if (ctx == NULL) { printf("Failed to allocate SSL_CTX\n"); goto end; } ssl = SSL_new(ctx); if (ssl == NULL) { printf("Failed to allocate SSL object\n"); goto end; } initrbio = idx % 3; idx /= 3; initwbio = idx % 3; idx /= 3; newrbio = idx % 3; idx /= 3; newwbio = idx; OPENSSL_assert(newwbio <= 2); if (initrbio == USE_BIO_1 || initwbio == USE_BIO_1 || newrbio == USE_BIO_1 || newwbio == USE_BIO_1) { bio1 = BIO_new(BIO_s_mem()); if (bio1 == NULL) { printf("Failed to allocate bio1\n"); goto end; } } if (initrbio == USE_BIO_2 || initwbio == USE_BIO_2 || newrbio == USE_BIO_2 || newwbio == USE_BIO_2) { bio2 = BIO_new(BIO_s_mem()); if (bio2 == NULL) { printf("Failed to allocate bio2\n"); 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 ownersip 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 struct ssl_bio_test_fixture { const char *test_case_name; int pop_ssl; enum { NO_BIO_CHANGE, CHANGE_RBIO, CHANGE_WBIO } change_bio; } SSL_BIO_TEST_FIXTURE; static SSL_BIO_TEST_FIXTURE ssl_bio_set_up(const char *const test_case_name) { SSL_BIO_TEST_FIXTURE fixture; fixture.test_case_name = test_case_name; fixture.pop_ssl = 0; fixture.change_bio = NO_BIO_CHANGE; return fixture; } static void ssl_bio_tear_down(SSL_BIO_TEST_FIXTURE fixture) { } static int execute_test_ssl_bio(SSL_BIO_TEST_FIXTURE fix) { BIO *sslbio = NULL, *membio1 = NULL, *membio2 = NULL; SSL_CTX *ctx = SSL_CTX_new(TLS_method()); SSL *ssl = NULL; int testresult = 0; if (ctx == NULL) { printf("Failed to allocate SSL_CTX\n"); return 0; } ssl = SSL_new(ctx); if (ssl == NULL) { printf("Failed to allocate SSL object\n"); goto end; } sslbio = BIO_new(BIO_f_ssl()); membio1 = BIO_new(BIO_s_mem()); if (sslbio == NULL || membio1 == NULL) { printf("Malloc failure creating BIOs\n"); 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 chaning the rbio/wbio directly does not cause leaks */ if (fix.change_bio != NO_BIO_CHANGE) { membio2 = BIO_new(BIO_s_mem()); if (membio2 == NULL) { printf("Malloc failure creating membio2\n"); goto end; } if (fix.change_bio == CHANGE_RBIO) SSL_set0_rbio(ssl, membio2); else SSL_set0_wbio(ssl, membio2); } ssl = NULL; if (fix.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) { SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up); EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down); } static int test_ssl_bio_pop_ssl_bio(void) { SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up); fixture.pop_ssl = 1; EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down); } static int test_ssl_bio_change_rbio(void) { SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up); fixture.change_bio = CHANGE_RBIO; EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down); } static int test_ssl_bio_change_wbio(void) { SETUP_TEST_FIXTURE(SSL_BIO_TEST_FIXTURE, ssl_bio_set_up); fixture.change_bio = CHANGE_WBIO; EXECUTE_TEST(execute_test_ssl_bio, ssl_bio_tear_down); } 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 ((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 (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(), &sctx, &cctx, cert, privkey)) { printf("Unable to create SSL_CTX pair\n"); 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) printf("Unexpected failure setting sigalgs in SSL_CTX (%d)\n", idx); else testresult = 1; goto end; } if (!curr->valid) { printf("Unexpected success setting sigalgs in SSL_CTX (%d)\n", idx); goto end; } } if (!create_ssl_objects(sctx, cctx, &serverssl, &clientssl, NULL, NULL)) { printf("Unable to create SSL objects\n"); 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) printf("Unexpected failure setting sigalgs in SSL (%d)\n", idx); else testresult = 1; goto end; } if (!curr->valid) { printf("Unexpected success setting sigalgs in SSL (%d)\n", idx); goto end; } } if (curr->connsuccess != create_ssl_connection(serverssl, clientssl)) { printf("Unexpected return value creating SSL connection (%d)\n", idx); goto end; } testresult = 1; end: SSL_free(serverssl); SSL_free(clientssl); SSL_CTX_free(sctx); SSL_CTX_free(cctx); return testresult; } int test_main(int argc, char *argv[]) { int testresult = 1; if (argc != 3) { printf("Invalid argument count\n"); return 1; } cert = argv[1]; privkey = argv[2]; 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 testresult = run_tests(argv[0]); bio_s_mempacket_test_free(); return testresult; }