int ossl_init_thread_start(uint64_t opts)
{
struct thread_local_inits_st *locals;
if (!OPENSSL_init_crypto(0, NULL))
return 0;
locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
if (opts & OPENSSL_INIT_THREAD_ASYNC) {
OSSL_TRACE(INIT,
"ossl_init_thread_start: "
"marking thread for async\n");
locals->async = 1;
}
if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
OSSL_TRACE(INIT,
"ossl_init_thread_start: "
"marking thread for err_state\n");
locals->err_state = 1;
}
if (opts & OPENSSL_INIT_THREAD_RAND) {
OSSL_TRACE(INIT,
"ossl_init_thread_start: "
"marking thread for rand\n");
locals->rand = 1;
}
return 1;
}
DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_config, ossl_init_config)
{
OSSL_TRACE(INIT, "openssl_no_config_int()\n");
openssl_no_config_int();
config_inited = 1;
return 1;
}
static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
{
/* Can't do much about this */
if (locals == NULL)
return;
if (locals->async) {
OSSL_TRACE(INIT, "async_delete_thread_state()\n");
async_delete_thread_state();
}
if (locals->err_state) {
OSSL_TRACE(INIT, "err_delete_thread_state()\n");
err_delete_thread_state();
}
if (locals->rand) {
OSSL_TRACE(INIT, "drbg_delete_thread_state()\n");
drbg_delete_thread_state();
}
OPENSSL_free(locals);
}
void OPENSSL_cleanup(void)
{
OPENSSL_INIT_STOP *currhandler, *lasthandler;
CRYPTO_THREAD_LOCAL key;
/* If we've not been inited then no need to deinit */
if (!base_inited)
return;
/* Might be explicitly called and also by atexit */
if (stopped)
return;
stopped = 1;
/*
* Thread stop may not get automatically called by the thread library for
* the very last thread in some situations, so call it directly.
*/
ossl_init_thread_stop(ossl_init_get_thread_local(0));
currhandler = stop_handlers;
while (currhandler != NULL) {
currhandler->handler();
lasthandler = currhandler;
currhandler = currhandler->next;
OPENSSL_free(lasthandler);
}
stop_handlers = NULL;
CRYPTO_THREAD_lock_free(init_lock);
init_lock = NULL;
/*
* We assume we are single-threaded for this function, i.e. no race
* conditions for the various "*_inited" vars below.
*/
#ifndef OPENSSL_NO_COMP
if (zlib_inited) {
OSSL_TRACE(INIT, "OPENSSL_cleanup: comp_zlib_cleanup_int()\n");
comp_zlib_cleanup_int();
}
#endif
if (async_inited) {
OSSL_TRACE(INIT, "OPENSSL_cleanup: async_deinit()\n");
async_deinit();
}
if (load_crypto_strings_inited) {
OSSL_TRACE(INIT, "OPENSSL_cleanup: err_free_strings_int()\n");
err_free_strings_int();
}
key = destructor_key.value;
destructor_key.sane = -1;
CRYPTO_THREAD_cleanup_local(&key);
/*
* Note that cleanup order is important:
* - rand_cleanup_int could call an ENGINE's RAND cleanup function so
* must be called before engine_cleanup_int()
* - ENGINEs use CRYPTO_EX_DATA and therefore, must be cleaned up
* before the ex data handlers are wiped in CRYPTO_cleanup_all_ex_data().
* - conf_modules_free_int() can end up in ENGINE code so must be called
* before engine_cleanup_int()
* - ENGINEs and additional EVP algorithms might use added OIDs names so
* obj_cleanup_int() must be called last
*/
OSSL_TRACE(INIT, "OPENSSL_cleanup: rand_cleanup_int()\n");
rand_cleanup_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: rand_drbg_cleanup_int()\n");
rand_drbg_cleanup_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: conf_modules_free_int()\n");
conf_modules_free_int();
#ifndef OPENSSL_NO_ENGINE
OSSL_TRACE(INIT, "OPENSSL_cleanup: engine_cleanup_int()\n");
engine_cleanup_int();
#endif
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_store_cleanup_int()\n");
ossl_store_cleanup_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: crypto_cleanup_all_ex_data_int()\n");
crypto_cleanup_all_ex_data_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: bio_cleanup()\n");
bio_cleanup();
OSSL_TRACE(INIT, "OPENSSL_cleanup: evp_cleanup_int()\n");
evp_cleanup_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: obj_cleanup_int()\n");
obj_cleanup_int();
OSSL_TRACE(INIT, "OPENSSL_cleanup: err_int()\n");
err_cleanup();
OSSL_TRACE(INIT, "OPENSSL_cleanup: CRYPTO_secure_malloc_done()\n");
CRYPTO_secure_malloc_done();
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_trace_cleanup()\n");
ossl_trace_cleanup();
base_inited = 0;
}
void EVP_add_alg_module(void)
{
OSSL_TRACE(CONF, "Adding config module 'alg_section'\n");
CONF_module_add("alg_section", alg_module_init, 0);
}
