/*
- * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2024 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
};
static OPENSSL_INIT_STOP *stop_handlers = NULL;
+/* Guards access to the optsdone variable on platforms without atomics */
+static CRYPTO_RWLOCK *optsdone_lock = NULL;
+/* Guards simultaneous INIT_LOAD_CONFIG calls with non-NULL settings */
static CRYPTO_RWLOCK *init_lock = NULL;
static CRYPTO_THREAD_LOCAL in_init_config_local;
ossl_malloc_setup_failures();
#endif
- if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
+ if ((optsdone_lock = CRYPTO_THREAD_lock_new()) == NULL
+ || (init_lock = CRYPTO_THREAD_lock_new()) == NULL)
goto err;
+
OPENSSL_cpuid_setup();
if (!ossl_init_thread())
err:
OSSL_TRACE(INIT, "ossl_init_base failed!\n");
+ CRYPTO_THREAD_lock_free(optsdone_lock);
+ optsdone_lock = NULL;
CRYPTO_THREAD_lock_free(init_lock);
init_lock = NULL;
DEFINE_RUN_ONCE_STATIC(ossl_init_register_atexit)
{
-#ifdef OPENSSL_INIT_DEBUG
+#ifndef OPENSSL_NO_ATEXIT
+# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_register_atexit()\n");
-#endif
-#ifndef OPENSSL_SYS_UEFI
-# if defined(_WIN32) && !defined(__BORLANDC__)
+# endif
+# ifndef OPENSSL_SYS_UEFI
+# if defined(_WIN32) && !defined(__BORLANDC__)
/* We use _onexit() in preference because it gets called on DLL unload */
if (_onexit(win32atexit) == NULL)
return 0;
-# else
+# else
if (atexit(OPENSSL_cleanup) != 0)
return 0;
+# endif
# endif
#endif
}
static CRYPTO_ONCE load_crypto_strings = CRYPTO_ONCE_STATIC_INIT;
-static int load_crypto_strings_inited = 0;
+
DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_strings)
{
int ret = 1;
* pulling in all the error strings during static linking
*/
#if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
+ void *err;
+
+ if (!err_shelve_state(&err))
+ return 0;
+
OSSL_TRACE(INIT, "ossl_err_load_crypto_strings()\n");
ret = ossl_err_load_crypto_strings();
- load_crypto_strings_inited = 1;
+
+ err_unshelve_state(err);
#endif
return ret;
}
return 1;
}
-static CRYPTO_ONCE casecmp = CRYPTO_ONCE_STATIC_INIT;
-static int casecmp_inited = 0;
-DEFINE_RUN_ONCE_STATIC(ossl_init_casecmp)
-{
- int ret = ossl_init_casecmp_int();
-
- casecmp_inited = 1;
- return ret;
-}
#ifndef OPENSSL_NO_ENGINE
static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_openssl)
}
stop_handlers = NULL;
+ CRYPTO_THREAD_lock_free(optsdone_lock);
+ optsdone_lock = NULL;
CRYPTO_THREAD_lock_free(init_lock);
init_lock = NULL;
#ifndef OPENSSL_NO_COMP
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_comp_zlib_cleanup()\n");
ossl_comp_zlib_cleanup();
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_comp_brotli_cleanup()\n");
+ ossl_comp_brotli_cleanup();
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_comp_zstd_cleanup()\n");
+ ossl_comp_zstd_cleanup();
#endif
if (async_inited) {
async_deinit();
}
- if (load_crypto_strings_inited) {
- OSSL_TRACE(INIT, "OPENSSL_cleanup: err_free_strings_int()\n");
- err_free_strings_int();
- }
-
/*
* Note that cleanup order is important:
* - ossl_rand_cleanup_int could call an ENGINE's RAND cleanup function so
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_trace_cleanup()\n");
ossl_trace_cleanup();
- if (casecmp_inited) {
- OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_deinit_casecmp()\n");
- ossl_deinit_casecmp();
- }
-
base_inited = 0;
}
{
uint64_t tmp;
int aloaddone = 0;
- if (!RUN_ONCE(&casecmp, ossl_init_casecmp))
- return 0;
-
/* Applications depend on 0 being returned when cleanup was already done */
if (stopped) {
/*
* We ignore failures from this function. It is probably because we are
* on a platform that doesn't support lockless atomic loads (we may not
- * have created init_lock yet so we can't use it). This is just an
+ * have created optsdone_lock yet so we can't use it). This is just an
* optimisation to skip the full checks in this function if we don't need
* to, so we carry on regardless in the event of failure.
*
return 1;
/*
- * init_lock should definitely be set up now, so we can now repeat the
+ * optsdone_lock should definitely be set up now, so we can now repeat the
* same check from above but be sure that it will work even on platforms
* without lockless CRYPTO_atomic_load
*/
if (!aloaddone) {
- if (!CRYPTO_atomic_load(&optsdone, &tmp, init_lock))
+ if (!CRYPTO_atomic_load(&optsdone, &tmp, optsdone_lock))
return 0;
if ((tmp & opts) == opts)
return 1;
}
#endif
- if (!CRYPTO_atomic_or(&optsdone, opts, &tmp, init_lock))
+ if (!CRYPTO_atomic_or(&optsdone, opts, &tmp, optsdone_lock))
return 0;
return 1;
#if !defined(OPENSSL_USE_NODELETE)\
&& !defined(OPENSSL_NO_PINSHARED)
{
+# if defined(DSO_WIN32) && !defined(_WIN32_WCE)
+ HMODULE handle = NULL;
+ BOOL ret;
union {
void *sym;
void (*func)(void);
} handlersym;
handlersym.func = handler;
-# if defined(DSO_WIN32) && !defined(_WIN32_WCE)
- {
- HMODULE handle = NULL;
- BOOL ret;
-
- /*
- * We don't use the DSO route for WIN32 because there is a better
- * way
- */
- ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
- | GET_MODULE_HANDLE_EX_FLAG_PIN,
- handlersym.sym, &handle);
-
- if (!ret)
- return 0;
- }
+
+ /*
+ * We don't use the DSO route for WIN32 because there is a better
+ * way
+ */
+ ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
+ | GET_MODULE_HANDLE_EX_FLAG_PIN,
+ handlersym.sym, &handle);
+
+ if (!ret)
+ return 0;
# elif !defined(DSO_NONE)
/*
* Deliberately leak a reference to the handler. This will force the
* atexit handler. If -znodelete has been used then this is
* unnecessary.
*/
- {
- DSO *dso = NULL;
-
- ERR_set_mark();
- dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
- /* See same code above in ossl_init_base() for an explanation. */
- OSSL_TRACE1(INIT,
- "atexit: obtained DSO reference? %s\n",
- (dso == NULL ? "No!" : "Yes."));
- DSO_free(dso);
- ERR_pop_to_mark();
- }
+ DSO *dso = NULL;
+ union {
+ void *sym;
+ void (*func)(void);
+ } handlersym;
+
+ handlersym.func = handler;
+
+ ERR_set_mark();
+ dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ /* See same code above in ossl_init_base() for an explanation. */
+ OSSL_TRACE1(INIT,
+ "atexit: obtained DSO reference? %s\n",
+ (dso == NULL ? "No!" : "Yes."));
+ DSO_free(dso);
+ ERR_pop_to_mark();
# endif
}
#endif
- if ((newhand = OPENSSL_malloc(sizeof(*newhand))) == NULL) {
- ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
+ if ((newhand = OPENSSL_malloc(sizeof(*newhand))) == NULL)
return 0;
- }
newhand->handler = handler;
newhand->next = stop_handlers;
projects / thirdparty / openssl.git / blobdiff