/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
-#include <internal/cryptlib_int.h>
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
+#include "internal/e_os.h"
+#include "crypto/cryptlib.h"
#include <openssl/err.h>
-#include <internal/rand.h>
-#include <internal/bio.h>
+#include "crypto/rand.h"
+#include "internal/bio.h"
#include <openssl/evp.h>
-#include <internal/evp_int.h>
-#include <internal/conf.h>
-#include <internal/async.h>
-#include <internal/engine.h>
-#include <internal/comp.h>
-#include <internal/err.h>
-#include <internal/err_int.h>
-#include <internal/objects.h>
+#include "crypto/evp.h"
+#include "internal/conf.h"
+#include "crypto/async.h"
+#include "crypto/engine.h"
+#include "internal/comp.h"
+#include "internal/err.h"
+#include "crypto/err.h"
+#include "crypto/objects.h"
#include <stdlib.h>
#include <assert.h>
-#include <internal/thread_once.h>
-#include <internal/dso.h>
+#include "internal/thread_once.h"
+#include "crypto/dso_conf.h"
+#include "internal/dso.h"
+#include "crypto/store.h"
+#include <openssl/cmp_util.h> /* for OSSL_CMP_log_close() */
+#include <openssl/trace.h>
+#include "crypto/ctype.h"
static int stopped = 0;
-
-static void ossl_init_thread_stop(struct thread_local_inits_st *locals);
-
-static CRYPTO_THREAD_LOCAL threadstopkey;
-
-static void ossl_init_thread_stop_wrap(void *local)
-{
- ossl_init_thread_stop((struct thread_local_inits_st *)local);
-}
-
-static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)
-{
- struct thread_local_inits_st *local =
- CRYPTO_THREAD_get_local(&threadstopkey);
-
- if (local == NULL && alloc) {
- local = OPENSSL_zalloc(sizeof *local);
- if (local != NULL && !CRYPTO_THREAD_set_local(&threadstopkey, local)) {
- OPENSSL_free(local);
- return NULL;
- }
- }
- if (!alloc) {
- CRYPTO_THREAD_set_local(&threadstopkey, NULL);
- }
-
- return local;
-}
+static uint64_t optsdone = 0;
typedef struct ossl_init_stop_st OPENSSL_INIT_STOP;
struct ossl_init_stop_st {
};
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;
static CRYPTO_ONCE base = CRYPTO_ONCE_STATIC_INIT;
static int base_inited = 0;
DEFINE_RUN_ONCE_STATIC(ossl_init_base)
{
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n");
-#endif
+ /* no need to init trace */
+
+ OSSL_TRACE(INIT, "ossl_init_base: setting up stop handlers\n");
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
ossl_malloc_setup_failures();
#endif
- /*
- * We use a dummy thread local key here. We use the destructor to detect
- * when the thread is going to stop (where that feature is available)
- */
- CRYPTO_THREAD_init_local(&threadstopkey, ossl_init_thread_stop_wrap);
-#ifndef OPENSSL_SYS_UEFI
- atexit(OPENSSL_cleanup);
-#endif
- if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
- return 0;
+
+ if ((optsdone_lock = CRYPTO_THREAD_lock_new()) == NULL
+ || (init_lock = CRYPTO_THREAD_lock_new()) == NULL)
+ goto err;
+
OPENSSL_cpuid_setup();
- /*
- * BIG FAT WARNING!
- * Everything needed to be initialized in this function before threads
- * come along MUST happen before base_inited is set to 1, or we will
- * see race conditions.
- */
+ if (!ossl_init_thread())
+ goto err;
+
+ if (!CRYPTO_THREAD_init_local(&in_init_config_local, NULL))
+ goto err;
+
base_inited = 1;
+ return 1;
+
+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;
+
+ return 0;
+}
-#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE)
-# ifdef DSO_WIN32
+static CRYPTO_ONCE register_atexit = CRYPTO_ONCE_STATIC_INIT;
+#if !defined(OPENSSL_SYS_UEFI) && defined(_WIN32)
+static int win32atexit(void)
+{
+ OPENSSL_cleanup();
+ return 0;
+}
+#endif
+
+DEFINE_RUN_ONCE_STATIC(ossl_init_register_atexit)
+{
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_register_atexit()\n");
+#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
+ if (atexit(OPENSSL_cleanup) != 0)
+ return 0;
+# endif
+#endif
+
+ return 1;
+}
+
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_register_atexit,
+ ossl_init_register_atexit)
+{
+#ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_no_register_atexit ok!\n");
+#endif
+ /* Do nothing in this case */
+ return 1;
+}
+
+static CRYPTO_ONCE load_crypto_nodelete = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_nodelete)
+{
+ OSSL_TRACE(INIT, "ossl_init_load_crypto_nodelete()\n");
+
+#if !defined(OPENSSL_USE_NODELETE) \
+ && !defined(OPENSSL_NO_PINSHARED)
+# if defined(DSO_WIN32) && !defined(_WIN32_WCE)
{
HMODULE handle = NULL;
BOOL ret;
| GET_MODULE_HANDLE_EX_FLAG_PIN,
(void *)&base_inited, &handle);
+ OSSL_TRACE1(INIT,
+ "ossl_init_load_crypto_nodelete: "
+ "obtained DSO reference? %s\n",
+ (ret == TRUE ? "No!" : "Yes."));
return (ret == TRUE) ? 1 : 0;
}
-# else
+# elif !defined(DSO_NONE)
/*
* Deliberately leak a reference to ourselves. This will force the library
* to remain loaded until the atexit() handler is run at process exit.
*/
{
- DSO *dso = NULL;
+ DSO *dso;
+ void *err;
+
+ if (!err_shelve_state(&err))
+ return 0;
- ERR_set_mark();
dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ /*
+ * In case of No!, it is uncertain our exit()-handlers can still be
+ * called. After dlclose() the whole library might have been unloaded
+ * already.
+ */
+ OSSL_TRACE1(INIT, "obtained DSO reference? %s\n",
+ (dso == NULL ? "No!" : "Yes."));
DSO_free(dso);
- ERR_pop_to_mark();
+ err_unshelve_state(err);
}
# 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_no_load_crypto_strings)
-{
- /* Do nothing in this case */
- return 1;
-}
DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_strings)
{
* pulling in all the error strings during static linking
*/
#if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_strings: "
- "err_load_crypto_strings_int()\n");
-# endif
- ret = err_load_crypto_strings_int();
- load_crypto_strings_inited = 1;
+ OSSL_TRACE(INIT, "ossl_err_load_crypto_strings()\n");
+ ret = ossl_err_load_crypto_strings();
#endif
return ret;
}
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_load_crypto_strings,
+ ossl_init_load_crypto_strings)
+{
+ /* Do nothing in this case */
+ return 1;
+}
+
static CRYPTO_ONCE add_all_ciphers = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_ciphers)
{
* pulling in all the ciphers during static linking
*/
#ifndef OPENSSL_NO_AUTOALGINIT
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_ciphers: "
- "openssl_add_all_ciphers_int()\n");
-# endif
+ OSSL_TRACE(INIT, "openssl_add_all_ciphers_int()\n");
openssl_add_all_ciphers_int();
#endif
return 1;
}
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_add_all_ciphers,
+ ossl_init_add_all_ciphers)
+{
+ /* Do nothing */
+ return 1;
+}
+
static CRYPTO_ONCE add_all_digests = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_digests)
{
* pulling in all the ciphers during static linking
*/
#ifndef OPENSSL_NO_AUTOALGINIT
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_digests: "
- "openssl_add_all_digests()\n");
-# endif
+ OSSL_TRACE(INIT, "openssl_add_all_digests()\n");
openssl_add_all_digests_int();
#endif
return 1;
}
-DEFINE_RUN_ONCE_STATIC(ossl_init_no_add_algs)
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_add_all_digests,
+ ossl_init_add_all_digests)
{
/* Do nothing */
return 1;
static CRYPTO_ONCE config = CRYPTO_ONCE_STATIC_INIT;
static int config_inited = 0;
-static const char *appname;
+static const OPENSSL_INIT_SETTINGS *conf_settings = NULL;
DEFINE_RUN_ONCE_STATIC(ossl_init_config)
{
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr,
- "OPENSSL_INIT: ossl_init_config: openssl_config(%s)\n",
- appname == NULL ? "NULL" : appname);
-#endif
- openssl_config_int(appname);
+ int ret = ossl_config_int(NULL);
+
config_inited = 1;
- return 1;
+ return ret;
}
-DEFINE_RUN_ONCE_STATIC(ossl_init_no_config)
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_config_settings, ossl_init_config)
{
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr,
- "OPENSSL_INIT: ossl_init_config: openssl_no_config_int()\n");
-#endif
- openssl_no_config_int();
+ int ret = ossl_config_int(conf_settings);
+
+ config_inited = 1;
+ return ret;
+}
+DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_config, ossl_init_config)
+{
+ OSSL_TRACE(INIT, "ossl_no_config_int()\n");
+ ossl_no_config_int();
config_inited = 1;
return 1;
}
static int async_inited = 0;
DEFINE_RUN_ONCE_STATIC(ossl_init_async)
{
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n");
-#endif
+ OSSL_TRACE(INIT, "async_init()\n");
if (!async_init())
return 0;
async_inited = 1;
static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_openssl)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: "
- "engine_load_openssl_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_openssl_int()\n");
engine_load_openssl_int();
return 1;
}
-# ifndef OPENSSL_NO_DEVCRYPTOENG
-static CRYPTO_ONCE engine_devcrypto = CRYPTO_ONCE_STATIC_INIT;
-DEFINE_RUN_ONCE_STATIC(ossl_init_engine_devcrypto)
-{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_devcrypto: "
- "engine_load_devcrypto_int()\n");
-# endif
- engine_load_devcrypto_int();
- return 1;
-}
-# endif
-
# ifndef OPENSSL_NO_RDRAND
static CRYPTO_ONCE engine_rdrand = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_rdrand)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: "
- "engine_load_rdrand_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_rdrand_int()\n");
engine_load_rdrand_int();
return 1;
}
static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_dynamic)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: "
- "engine_load_dynamic_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_dynamic_int()\n");
engine_load_dynamic_int();
return 1;
}
# ifndef OPENSSL_NO_STATIC_ENGINE
-# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
+# ifndef OPENSSL_NO_DEVCRYPTOENG
+static CRYPTO_ONCE engine_devcrypto = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_engine_devcrypto)
+{
+ OSSL_TRACE(INIT, "engine_load_devcrypto_int()\n");
+ engine_load_devcrypto_int();
+ return 1;
+}
+# endif
+# if !defined(OPENSSL_NO_PADLOCKENG)
static CRYPTO_ONCE engine_padlock = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_padlock)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: "
- "engine_load_padlock_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_padlock_int()\n");
engine_load_padlock_int();
return 1;
}
static CRYPTO_ONCE engine_capi = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_capi)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: "
- "engine_load_capi_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_capi_int()\n");
engine_load_capi_int();
return 1;
}
static CRYPTO_ONCE engine_afalg = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_afalg)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_afalg: "
- "engine_load_afalg_int()\n");
-# endif
+ OSSL_TRACE(INIT, "engine_load_afalg_int()\n");
engine_load_afalg_int();
return 1;
}
# endif
#endif
-#ifndef OPENSSL_NO_COMP
-static CRYPTO_ONCE zlib = CRYPTO_ONCE_STATIC_INIT;
-
-static int zlib_inited = 0;
-DEFINE_RUN_ONCE_STATIC(ossl_init_zlib)
-{
- /* Do nothing - we need to know about this for the later cleanup */
- zlib_inited = 1;
- return 1;
-}
-#endif
-
-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) {
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
- "ASYNC_cleanup_thread()\n");
-#endif
- ASYNC_cleanup_thread();
- }
-
- if (locals->err_state) {
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
- "err_delete_thread_state()\n");
-#endif
- err_delete_thread_state();
- }
-
- OPENSSL_free(locals);
-}
-
-void OPENSSL_thread_stop(void)
-{
- ossl_init_thread_stop(
- (struct thread_local_inits_st *)ossl_init_get_thread_local(0));
-}
-
-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) {
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
- "marking thread for async\n");
-#endif
- locals->async = 1;
- }
-
- if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
-#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
- "marking thread for err_state\n");
-#endif
- locals->err_state = 1;
- }
-
- return 1;
-}
-
void OPENSSL_cleanup(void)
{
OPENSSL_INIT_STOP *currhandler, *lasthandler;
+ /*
+ * At some point we should consider looking at this function with a view to
+ * moving most/all of this into onfree handlers in OSSL_LIB_CTX.
+ */
+
/* If we've not been inited then no need to deinit */
if (!base_inited)
return;
* 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));
+ OPENSSL_thread_stop();
currhandler = stop_handlers;
while (currhandler != NULL) {
}
stop_handlers = NULL;
+ CRYPTO_THREAD_lock_free(optsdone_lock);
+ optsdone_lock = NULL;
CRYPTO_THREAD_lock_free(init_lock);
+ init_lock = NULL;
+
+ CRYPTO_THREAD_cleanup_local(&in_init_config_local);
/*
* We assume we are single-threaded for this function, i.e. no race
*/
#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();
- }
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_comp_zlib_cleanup()\n");
+ ossl_comp_zlib_cleanup();
#endif
if (async_inited) {
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
- "async_deinit()\n");
-# endif
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: async_deinit()\n");
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
+ * - ossl_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 the ex data handlers are wiped during default ossl_lib_ctx deinit.
+ * - ossl_config_modules_free() 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_obj_cleanup_int() must be called last
*/
- rand_cleanup_int();
- conf_modules_free_int();
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_rand_cleanup_int()\n");
+ ossl_rand_cleanup_int();
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_config_modules_free()\n");
+ ossl_config_modules_free();
+
#ifndef OPENSSL_NO_ENGINE
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: engine_cleanup_int()\n");
engine_cleanup_int();
#endif
- crypto_cleanup_all_ex_data_int();
+
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_store_cleanup_int()\n");
+ ossl_store_cleanup_int();
+#endif
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_lib_ctx_default_deinit()\n");
+ ossl_lib_ctx_default_deinit();
+
+ ossl_cleanup_thread();
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: bio_cleanup()\n");
bio_cleanup();
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: evp_cleanup_int()\n");
evp_cleanup_int();
- obj_cleanup_int();
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_obj_cleanup_int()\n");
+ ossl_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();
+
+#ifndef OPENSSL_NO_CMP
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: OSSL_CMP_log_close()\n");
+ OSSL_CMP_log_close();
+#endif
+
+ OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_trace_cleanup()\n");
+ ossl_trace_cleanup();
+
base_inited = 0;
}
*/
int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
{
- static int stoperrset = 0;
+ uint64_t tmp;
+ int aloaddone = 0;
+ /* Applications depend on 0 being returned when cleanup was already done */
if (stopped) {
- if (!stoperrset) {
- /*
- * We only ever set this once to avoid getting into an infinite
- * loop where the error system keeps trying to init and fails so
- * sets an error etc
- */
- stoperrset = 1;
- CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO, ERR_R_INIT_FAIL);
- }
+ if (!(opts & OPENSSL_INIT_BASE_ONLY))
+ ERR_raise(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL);
+ return 0;
+ }
+
+ /*
+ * 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 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.
+ *
+ * There could be a race here with other threads, so that optsdone has not
+ * been updated yet, even though the options have in fact been initialised.
+ * This doesn't matter - it just means we will run the full function
+ * unnecessarily - but all the critical code is contained in RUN_ONCE
+ * functions anyway so we are safe.
+ */
+ if (CRYPTO_atomic_load(&optsdone, &tmp, NULL)) {
+ if ((tmp & opts) == opts)
+ return 1;
+ aloaddone = 1;
+ }
+
+ /*
+ * At some point we should look at this function with a view to moving
+ * most/all of this into OSSL_LIB_CTX.
+ *
+ * When the caller specifies OPENSSL_INIT_BASE_ONLY, that should be the
+ * *only* option specified. With that option we return immediately after
+ * doing the requested limited initialization. Note that
+ * err_shelve_state() called by us via ossl_init_load_crypto_nodelete()
+ * re-enters OPENSSL_init_crypto() with OPENSSL_INIT_BASE_ONLY, but with
+ * base already initialized this is a harmless NOOP.
+ *
+ * If we remain the only caller of err_shelve_state() the recursion should
+ * perhaps be removed, but if in doubt, it can be left in place.
+ */
+ if (!RUN_ONCE(&base, ossl_init_base))
+ return 0;
+
+ if (opts & OPENSSL_INIT_BASE_ONLY)
+ return 1;
+
+ /*
+ * 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, optsdone_lock))
+ return 0;
+ if ((tmp & opts) == opts)
+ return 1;
+ }
+
+ /*
+ * Now we don't always set up exit handlers, the INIT_BASE_ONLY calls
+ * should not have the side-effect of setting up exit handlers, and
+ * therefore, this code block is below the INIT_BASE_ONLY-conditioned early
+ * return above.
+ */
+ if ((opts & OPENSSL_INIT_NO_ATEXIT) != 0) {
+ if (!RUN_ONCE_ALT(®ister_atexit, ossl_init_no_register_atexit,
+ ossl_init_register_atexit))
+ return 0;
+ } else if (!RUN_ONCE(®ister_atexit, ossl_init_register_atexit)) {
return 0;
}
- if (!base_inited && !RUN_ONCE(&base, ossl_init_base))
+ if (!RUN_ONCE(&load_crypto_nodelete, ossl_init_load_crypto_nodelete))
return 0;
if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
- && !RUN_ONCE(&load_crypto_strings,
- ossl_init_no_load_crypto_strings))
+ && !RUN_ONCE_ALT(&load_crypto_strings,
+ ossl_init_no_load_crypto_strings,
+ ossl_init_load_crypto_strings))
return 0;
if ((opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
return 0;
if ((opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS)
- && !RUN_ONCE(&add_all_ciphers, ossl_init_no_add_algs))
+ && !RUN_ONCE_ALT(&add_all_ciphers, ossl_init_no_add_all_ciphers,
+ ossl_init_add_all_ciphers))
return 0;
if ((opts & OPENSSL_INIT_ADD_ALL_CIPHERS)
return 0;
if ((opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS)
- && !RUN_ONCE(&add_all_digests, ossl_init_no_add_algs))
+ && !RUN_ONCE_ALT(&add_all_digests, ossl_init_no_add_all_digests,
+ ossl_init_add_all_digests))
return 0;
if ((opts & OPENSSL_INIT_ADD_ALL_DIGESTS)
&& !RUN_ONCE(&add_all_digests, ossl_init_add_all_digests))
return 0;
+ if ((opts & OPENSSL_INIT_ATFORK)
+ && !openssl_init_fork_handlers())
+ return 0;
+
if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG)
- && !RUN_ONCE(&config, ossl_init_no_config))
+ && !RUN_ONCE_ALT(&config, ossl_init_no_config, ossl_init_config))
return 0;
if (opts & OPENSSL_INIT_LOAD_CONFIG) {
- int ret;
- CRYPTO_THREAD_write_lock(init_lock);
- appname = (settings == NULL) ? NULL : settings->appname;
- ret = RUN_ONCE(&config, ossl_init_config);
- CRYPTO_THREAD_unlock(init_lock);
- if (!ret)
- return 0;
+ int loading = CRYPTO_THREAD_get_local(&in_init_config_local) != NULL;
+
+ /* If called recursively from OBJ_ calls, just skip it. */
+ if (!loading) {
+ int ret;
+
+ if (!CRYPTO_THREAD_set_local(&in_init_config_local, (void *)-1))
+ return 0;
+ if (settings == NULL) {
+ ret = RUN_ONCE(&config, ossl_init_config);
+ } else {
+ if (!CRYPTO_THREAD_write_lock(init_lock))
+ return 0;
+ conf_settings = settings;
+ ret = RUN_ONCE_ALT(&config, ossl_init_config_settings,
+ ossl_init_config);
+ conf_settings = NULL;
+ CRYPTO_THREAD_unlock(init_lock);
+ }
+
+ if (ret <= 0)
+ return 0;
+ }
}
if ((opts & OPENSSL_INIT_ASYNC)
if ((opts & OPENSSL_INIT_ENGINE_OPENSSL)
&& !RUN_ONCE(&engine_openssl, ossl_init_engine_openssl))
return 0;
-# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_DEVCRYPTOENG)
- if ((opts & OPENSSL_INIT_ENGINE_CRYPTODEV)
- && !RUN_ONCE(&engine_devcrypto, ossl_init_engine_devcrypto))
- return 0;
-# endif
# ifndef OPENSSL_NO_RDRAND
if ((opts & OPENSSL_INIT_ENGINE_RDRAND)
&& !RUN_ONCE(&engine_rdrand, ossl_init_engine_rdrand))
&& !RUN_ONCE(&engine_dynamic, ossl_init_engine_dynamic))
return 0;
# ifndef OPENSSL_NO_STATIC_ENGINE
-# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
+# ifndef OPENSSL_NO_DEVCRYPTOENG
+ if ((opts & OPENSSL_INIT_ENGINE_CRYPTODEV)
+ && !RUN_ONCE(&engine_devcrypto, ossl_init_engine_devcrypto))
+ return 0;
+# endif
+# if !defined(OPENSSL_NO_PADLOCKENG)
if ((opts & OPENSSL_INIT_ENGINE_PADLOCK)
&& !RUN_ONCE(&engine_padlock, ossl_init_engine_padlock))
return 0;
}
#endif
-#ifndef OPENSSL_NO_COMP
- if ((opts & OPENSSL_INIT_ZLIB)
- && !RUN_ONCE(&zlib, ossl_init_zlib))
+ if (!CRYPTO_atomic_or(&optsdone, opts, &tmp, optsdone_lock))
return 0;
-#endif
return 1;
}
{
OPENSSL_INIT_STOP *newhand;
-#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE)
+#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;
-# ifdef DSO_WIN32
- {
- 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;
- }
-# else
+
+ /*
+ * 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
* library/code containing the handler to remain loaded until we run the
* atexit handler. If -znodelete has been used then this is
- * unneccessary.
+ * unnecessary.
*/
- {
- DSO *dso = NULL;
+ DSO *dso = NULL;
+ union {
+ void *sym;
+ void (*func)(void);
+ } handlersym;
- ERR_set_mark();
- dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
- DSO_free(dso);
- ERR_pop_to_mark();
- }
+ 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
- newhand = OPENSSL_malloc(sizeof(*newhand));
- if (newhand == NULL)
+ if ((newhand = OPENSSL_malloc(sizeof(*newhand))) == NULL)
return 0;
newhand->handler = handler;
return 1;
}
+
projects / thirdparty / openssl.git / blobdiff