2 * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* test_multi below tests the thread safety of a deprecated function */
11 #define OPENSSL_SUPPRESS_DEPRECATED
18 #include <openssl/crypto.h>
19 #include <openssl/evp.h>
20 #include <openssl/aes.h>
21 #include <openssl/rsa.h>
24 static int do_fips = 0;
27 #if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
29 typedef unsigned int thread_t;
31 static int run_thread(thread_t *t, void (*f)(void))
37 static int wait_for_thread(thread_t thread)
42 #elif defined(OPENSSL_SYS_WINDOWS)
44 typedef HANDLE thread_t;
46 static DWORD WINAPI thread_run(LPVOID arg)
50 *(void **) (&f) = arg;
56 static int run_thread(thread_t *t, void (*f)(void))
58 *t = CreateThread(NULL, 0, thread_run, *(void **) &f, 0, NULL);
62 static int wait_for_thread(thread_t thread)
64 return WaitForSingleObject(thread, INFINITE) == 0;
69 typedef pthread_t thread_t;
71 static void *thread_run(void *arg)
75 *(void **) (&f) = arg;
81 static int run_thread(thread_t *t, void (*f)(void))
83 return pthread_create(t, NULL, thread_run, *(void **) &f) == 0;
86 static int wait_for_thread(thread_t thread)
88 return pthread_join(thread, NULL) == 0;
93 static int test_lock(void)
95 CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
98 res = TEST_true(CRYPTO_THREAD_read_lock(lock))
99 && TEST_true(CRYPTO_THREAD_unlock(lock));
101 CRYPTO_THREAD_lock_free(lock);
106 static CRYPTO_ONCE once_run = CRYPTO_ONCE_STATIC_INIT;
107 static unsigned once_run_count = 0;
109 static void once_do_run(void)
114 static void once_run_thread_cb(void)
116 CRYPTO_THREAD_run_once(&once_run, once_do_run);
119 static int test_once(void)
123 if (!TEST_true(run_thread(&thread, once_run_thread_cb))
124 || !TEST_true(wait_for_thread(thread))
125 || !CRYPTO_THREAD_run_once(&once_run, once_do_run)
126 || !TEST_int_eq(once_run_count, 1))
131 static CRYPTO_THREAD_LOCAL thread_local_key;
132 static unsigned destructor_run_count = 0;
133 static int thread_local_thread_cb_ok = 0;
135 static void thread_local_destructor(void *arg)
147 static void thread_local_thread_cb(void)
151 ptr = CRYPTO_THREAD_get_local(&thread_local_key);
152 if (!TEST_ptr_null(ptr)
153 || !TEST_true(CRYPTO_THREAD_set_local(&thread_local_key,
154 &destructor_run_count)))
157 ptr = CRYPTO_THREAD_get_local(&thread_local_key);
158 if (!TEST_ptr_eq(ptr, &destructor_run_count))
161 thread_local_thread_cb_ok = 1;
164 static int test_thread_local(void)
169 if (!TEST_true(CRYPTO_THREAD_init_local(&thread_local_key,
170 thread_local_destructor)))
173 ptr = CRYPTO_THREAD_get_local(&thread_local_key);
174 if (!TEST_ptr_null(ptr)
175 || !TEST_true(run_thread(&thread, thread_local_thread_cb))
176 || !TEST_true(wait_for_thread(thread))
177 || !TEST_int_eq(thread_local_thread_cb_ok, 1))
180 #if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
182 ptr = CRYPTO_THREAD_get_local(&thread_local_key);
183 if (!TEST_ptr_null(ptr))
186 # if !defined(OPENSSL_SYS_WINDOWS)
187 if (!TEST_int_eq(destructor_run_count, 1))
192 if (!TEST_true(CRYPTO_THREAD_cleanup_local(&thread_local_key)))
197 static int test_atomic(void)
199 int val = 0, ret = 0, testresult = 0;
200 uint64_t val64 = 1, ret64 = 0;
201 CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
206 if (CRYPTO_atomic_add(&val, 1, &ret, NULL)) {
207 /* This succeeds therefore we're on a platform with lockless atomics */
208 if (!TEST_int_eq(val, 1) || !TEST_int_eq(val, ret))
211 /* This failed therefore we're on a platform without lockless atomics */
212 if (!TEST_int_eq(val, 0) || !TEST_int_eq(val, ret))
218 if (!TEST_true(CRYPTO_atomic_add(&val, 1, &ret, lock)))
220 if (!TEST_int_eq(val, 1) || !TEST_int_eq(val, ret))
223 if (CRYPTO_atomic_or(&val64, 2, &ret64, NULL)) {
224 /* This succeeds therefore we're on a platform with lockless atomics */
225 if (!TEST_uint_eq((unsigned int)val64, 3)
226 || !TEST_uint_eq((unsigned int)val64, (unsigned int)ret64))
229 /* This failed therefore we're on a platform without lockless atomics */
230 if (!TEST_uint_eq((unsigned int)val64, 1)
231 || !TEST_int_eq((unsigned int)ret64, 0))
237 if (!TEST_true(CRYPTO_atomic_or(&val64, 2, &ret64, lock)))
240 if (!TEST_uint_eq((unsigned int)val64, 3)
241 || !TEST_uint_eq((unsigned int)val64, (unsigned int)ret64))
245 if (CRYPTO_atomic_load(&val64, &ret64, NULL)) {
246 /* This succeeds therefore we're on a platform with lockless atomics */
247 if (!TEST_uint_eq((unsigned int)val64, 3)
248 || !TEST_uint_eq((unsigned int)val64, (unsigned int)ret64))
251 /* This failed therefore we're on a platform without lockless atomics */
252 if (!TEST_uint_eq((unsigned int)val64, 3)
253 || !TEST_int_eq((unsigned int)ret64, 0))
258 if (!TEST_true(CRYPTO_atomic_load(&val64, &ret64, lock)))
261 if (!TEST_uint_eq((unsigned int)val64, 3)
262 || !TEST_uint_eq((unsigned int)val64, (unsigned int)ret64))
267 CRYPTO_THREAD_lock_free(lock);
271 static OSSL_LIB_CTX *multi_libctx = NULL;
272 static int multi_success;
274 static void thread_general_worker(void)
276 EVP_MD_CTX *mdctx = EVP_MD_CTX_new();
277 EVP_MD *md = EVP_MD_fetch(multi_libctx, "SHA2-256", NULL);
278 EVP_CIPHER_CTX *cipherctx = EVP_CIPHER_CTX_new();
279 EVP_CIPHER *ciph = EVP_CIPHER_fetch(multi_libctx, "AES-128-CBC", NULL);
280 const char *message = "Hello World";
281 size_t messlen = strlen(message);
282 /* Should be big enough for encryption output too */
283 unsigned char out[EVP_MAX_MD_SIZE];
284 const unsigned char key[AES_BLOCK_SIZE] = {
285 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
286 0x0c, 0x0d, 0x0e, 0x0f
288 const unsigned char iv[AES_BLOCK_SIZE] = {
289 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
290 0x0c, 0x0d, 0x0e, 0x0f
294 EVP_PKEY_CTX *pctx = NULL;
295 EVP_PKEY *pkey = NULL;
299 isfips = OSSL_PROVIDER_available(multi_libctx, "fips");
303 || !TEST_ptr(cipherctx)
308 for (i = 0; i < 5; i++) {
309 if (!TEST_true(EVP_DigestInit_ex(mdctx, md, NULL))
310 || !TEST_true(EVP_DigestUpdate(mdctx, message, messlen))
311 || !TEST_true(EVP_DigestFinal(mdctx, out, &mdoutl)))
314 for (i = 0; i < 5; i++) {
315 if (!TEST_true(EVP_EncryptInit_ex(cipherctx, ciph, NULL, key, iv))
316 || !TEST_true(EVP_EncryptUpdate(cipherctx, out, &ciphoutl,
317 (unsigned char *)message,
319 || !TEST_true(EVP_EncryptFinal(cipherctx, out, &ciphoutl)))
323 pctx = EVP_PKEY_CTX_new_from_name(multi_libctx, "RSA", NULL);
325 || !TEST_int_gt(EVP_PKEY_keygen_init(pctx), 0)
327 * We want the test to run quickly - not securely. Therefore we
328 * use an insecure bit length where we can (512). In the FIPS
329 * module though we must use a longer length.
331 || !TEST_int_gt(EVP_PKEY_CTX_set_rsa_keygen_bits(pctx,
332 isfips ? 2048 : 512),
334 || !TEST_int_gt(EVP_PKEY_keygen(pctx, &pkey), 0))
339 EVP_MD_CTX_free(mdctx);
341 EVP_CIPHER_CTX_free(cipherctx);
342 EVP_CIPHER_free(ciph);
343 EVP_PKEY_CTX_free(pctx);
349 static void thread_multi_simple_fetch(void)
351 EVP_MD *md = EVP_MD_fetch(multi_libctx, "SHA2-256", NULL);
359 static EVP_PKEY *shared_evp_pkey = NULL;
361 static void thread_shared_evp_pkey(void)
363 char *msg = "Hello World";
364 unsigned char ctbuf[256];
365 unsigned char ptbuf[256];
366 size_t ptlen = sizeof(ptbuf), ctlen = sizeof(ctbuf);
367 EVP_PKEY_CTX *ctx = NULL;
371 for (i = 0; i < 1 + do_fips; i++) {
373 EVP_PKEY_CTX_free(ctx);
374 ctx = EVP_PKEY_CTX_new_from_pkey(multi_libctx, shared_evp_pkey,
375 i == 0 ? "provider=default"
380 if (!TEST_int_ge(EVP_PKEY_encrypt_init(ctx), 0)
381 || !TEST_int_ge(EVP_PKEY_encrypt(ctx, ctbuf, &ctlen,
382 (unsigned char *)msg, strlen(msg)),
386 EVP_PKEY_CTX_free(ctx);
387 ctx = EVP_PKEY_CTX_new_from_pkey(multi_libctx, shared_evp_pkey, NULL);
392 if (!TEST_int_ge(EVP_PKEY_decrypt_init(ctx), 0)
393 || !TEST_int_ge(EVP_PKEY_decrypt(ctx, ptbuf, &ptlen, ctbuf, ctlen),
395 || !TEST_mem_eq(msg, strlen(msg), ptbuf, ptlen))
402 EVP_PKEY_CTX_free(ctx);
407 static void thread_downgrade_shared_evp_pkey(void)
409 #ifndef OPENSSL_NO_DEPRECATED_3_0
411 * This test is only relevant for deprecated functions that perform
414 if (EVP_PKEY_get0_RSA(shared_evp_pkey) == NULL)
417 /* Shouldn't ever get here */
424 * Do work in multiple worker threads at the same time.
425 * Test 0: General worker, using the default provider
426 * Test 1: General worker, using the fips provider
427 * Test 2: Simple fetch worker
428 * Test 3: Worker downgrading a shared EVP_PKEY
429 * Test 4: Worker using a shared EVP_PKEY
431 static int test_multi(int idx)
433 thread_t thread1, thread2;
435 OSSL_PROVIDER *prov = NULL, *prov2 = NULL;
436 void (*worker)(void) = NULL;
437 void (*worker2)(void) = NULL;
439 if (idx == 1 && !do_fips)
440 return TEST_skip("FIPS not supported");
442 #ifdef OPENSSL_NO_DEPRECATED_3_0
444 return TEST_skip("Skipping tests for deprected functions");
448 multi_libctx = OSSL_LIB_CTX_new();
449 if (!TEST_ptr(multi_libctx))
451 prov = OSSL_PROVIDER_load(multi_libctx, (idx == 1) ? "fips" : "default");
458 worker = thread_general_worker;
461 worker = thread_multi_simple_fetch;
464 worker2 = thread_downgrade_shared_evp_pkey;
468 * If available we have both the default and fips providers for this
472 && !TEST_ptr(prov2 = OSSL_PROVIDER_load(multi_libctx, "fips")))
474 if (!TEST_ptr(shared_evp_pkey = load_pkey_pem(privkey, multi_libctx)))
476 worker = thread_shared_evp_pkey;
479 TEST_error("Invalid test index");
485 if (!TEST_true(run_thread(&thread1, worker))
486 || !TEST_true(run_thread(&thread2, worker2)))
491 if (!TEST_true(wait_for_thread(thread1))
492 || !TEST_true(wait_for_thread(thread2))
493 || !TEST_true(multi_success))
499 OSSL_PROVIDER_unload(prov);
500 OSSL_PROVIDER_unload(prov2);
501 OSSL_LIB_CTX_free(multi_libctx);
502 EVP_PKEY_free(shared_evp_pkey);
503 shared_evp_pkey = NULL;
509 * This test attempts to load several providers at the same time, and if
510 * run with a thread sanitizer, should crash if the core provider code
511 * doesn't synchronize well enough.
513 #define MULTI_LOAD_THREADS 3
514 static void test_multi_load_worker(void)
518 (void)TEST_ptr(prov = OSSL_PROVIDER_load(NULL, "default"));
519 (void)TEST_true(OSSL_PROVIDER_unload(prov));
522 static int test_multi_load(void)
524 thread_t threads[MULTI_LOAD_THREADS];
527 for (i = 0; i < MULTI_LOAD_THREADS; i++)
528 (void)TEST_true(run_thread(&threads[i], test_multi_load_worker));
530 for (i = 0; i < MULTI_LOAD_THREADS; i++)
531 (void)TEST_true(wait_for_thread(threads[i]));
536 static int test_multi_default(void)
538 thread_t thread1, thread2;
540 OSSL_PROVIDER *prov = NULL;
544 prov = OSSL_PROVIDER_load(multi_libctx, "default");
548 if (!TEST_true(run_thread(&thread1, thread_multi_simple_fetch))
549 || !TEST_true(run_thread(&thread2, thread_multi_simple_fetch)))
552 thread_multi_simple_fetch();
554 if (!TEST_true(wait_for_thread(thread1))
555 || !TEST_true(wait_for_thread(thread2))
556 || !TEST_true(multi_success))
562 OSSL_PROVIDER_unload(prov);
566 typedef enum OPTION_choice {
573 const OPTIONS *test_get_options(void)
575 static const OPTIONS options[] = {
576 OPT_TEST_OPTIONS_DEFAULT_USAGE,
577 { "fips", OPT_FIPS, '-', "Test the FIPS provider" },
583 int setup_tests(void)
588 while ((o = opt_next()) != OPT_EOF) {
600 if (!TEST_ptr(datadir = test_get_argument(0)))
603 privkey = test_mk_file_path(datadir, "rsakey.pem");
604 if (!TEST_ptr(privkey))
607 /* Keep first to validate auto creation of default library context */
608 ADD_TEST(test_multi_default);
612 ADD_TEST(test_thread_local);
613 ADD_TEST(test_atomic);
614 ADD_TEST(test_multi_load);
615 ADD_ALL_TESTS(test_multi, 5);
619 void cleanup_tests(void)
621 OPENSSL_free(privkey);