void OPENSSL_cleanup(void)
{
OPENSSL_INIT_STOP *currhandler, *lasthandler;
/* 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);
/*
* 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) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"comp_zlib_cleanup_int()\n");
#endif
comp_zlib_cleanup_int();
}
#endif
if (async_inited) {
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"async_deinit()\n");
# endif
async_deinit();
}
if (load_crypto_strings_inited) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"err_free_strings_int()\n");
#endif
err_free_strings_int();
}
CRYPTO_THREAD_cleanup_local(&threadstopkey);
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"rand_cleanup_int()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"conf_modules_free_int()\n");
#ifndef OPENSSL_NO_ENGINE
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"engine_cleanup_int()\n");
#endif
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"crypto_cleanup_all_ex_data_int()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"bio_sock_cleanup_int()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"bio_cleanup()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"evp_cleanup_int()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"obj_cleanup_int()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"err_cleanup()\n");
#endif
/*
* 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
*/
rand_cleanup_int();
conf_modules_free_int();
#ifndef OPENSSL_NO_ENGINE
engine_cleanup_int();
#endif
crypto_cleanup_all_ex_data_int();
bio_cleanup();
evp_cleanup_int();
obj_cleanup_int();
err_cleanup();
base_inited = 0;
}
void OPENSSL_cleanup(void)
{
OPENSSL_INIT_STOP *currhandler, *lasthandler;
/* 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);
/*
* We assume we are single-threaded for this function, i.e. no race
* conditions for the various "*_inited" vars below.
*/
if (zlib_inited) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"COMP_zlib_cleanup()\n");
#endif
COMP_zlib_cleanup();
}
#ifndef OPENSSL_NO_ASYNC
if (async_inited) {
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"async_deinit()\n");
# endif
async_deinit();
}
#endif
if (load_crypto_strings_inited) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"ERR_free_strings()\n");
#endif
ERR_free_strings();
}
CRYPTO_THREAD_cleanup_local(&threadstopkey);
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
"ENGINE_cleanup()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
"CRYPTO_cleanup_all_ex_data()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
"EVP_cleanup()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
"CONF_modules_free()\n");
fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
"RAND_cleanup()\n");
#endif
ENGINE_cleanup();
CRYPTO_cleanup_all_ex_data();
EVP_cleanup();
CONF_modules_free();
RAND_cleanup();
base_inited = 0;
}
