Deprecate CRYPTO_cleanup_all_ex_data() and make it a no-op
[openssl.git] / crypto / init.c
index 1fa5e894208e958b755095ebb97bf03bb7a34858..3bfe4502ebbe7f7776c9cbbc67a264466831f24d 100644 (file)
 #include <internal/threads.h>
 #include <internal/cryptlib_int.h>
 #include <openssl/err.h>
-#include <openssl/rand.h>
+#include <internal/rand.h>
 #include <openssl/evp.h>
 #include <internal/evp_int.h>
 #include <internal/conf.h>
 #include <internal/async.h>
-#ifndef OPENSSL_NO_ENGINE
 #include <internal/engine.h>
-#endif
-#include <openssl/comp.h>
+#include <internal/comp.h>
 #include <internal/err.h>
 #include <stdlib.h>
 #include <assert.h>
@@ -222,7 +220,6 @@ static void ossl_init_no_config(void)
     config_inited = 1;
 }
 
-#ifndef OPENSSL_NO_ASYNC
 static CRYPTO_ONCE async = CRYPTO_ONCE_STATIC_INIT;
 static int async_inited = 0;
 static void ossl_init_async(void)
@@ -233,7 +230,6 @@ static void ossl_init_async(void)
     async_init();
     async_inited = 1;
 }
-#endif
 
 #ifndef OPENSSL_NO_ENGINE
 static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
@@ -311,7 +307,7 @@ static void ossl_init_engine_dasync(void)
     engine_load_dasync_internal();
 }
 #  if !defined(OPENSSL_NO_AFALGENG)
-static OPENSSL_INIT_ONCE engine_afalg = OPENSSL_INIT_ONCE_STATIC_INIT;
+static CRYPTO_ONCE engine_afalg = CRYPTO_ONCE_STATIC_INIT;
 static void ossl_init_engine_afalg(void)
 {
 #   ifdef OPENSSL_INIT_DEBUG
@@ -341,7 +337,6 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
     if (locals == NULL)
         return;
 
-#ifndef OPENSSL_NO_ASYNC
     if (locals->async) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
@@ -349,7 +344,6 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
 #endif
         ASYNC_cleanup_thread();
     }
-#endif
 
     if (locals->err_state) {
 #ifdef OPENSSL_INIT_DEBUG
@@ -433,13 +427,12 @@ void OPENSSL_cleanup(void)
     if (zlib_inited) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
-                        "COMP_zlib_cleanup()\n");
+                        "comp_zlib_cleanup_internal()\n");
 #endif
-        COMP_zlib_cleanup();
+        comp_zlib_cleanup_internal();
     }
 #endif
 
-#ifndef OPENSSL_NO_ASYNC
     if (async_inited) {
 # ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
@@ -447,40 +440,55 @@ void OPENSSL_cleanup(void)
 # endif
         async_deinit();
     }
-#endif
 
     if (load_crypto_strings_inited) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
-                        "ERR_free_strings()\n");
+                        "err_free_strings_intern()\n");
 #endif
-        ERR_free_strings();
+        err_free_strings_intern();
     }
 
     CRYPTO_THREAD_cleanup_local(&threadstopkey);
 
 #ifdef OPENSSL_INIT_DEBUG
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "rand_cleanup_intern()\n");
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "CONF_modules_free()\n");
 #ifndef OPENSSL_NO_ENGINE
     fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
                     "ENGINE_cleanup()\n");
 #endif
-    fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
-                    "CRYPTO_cleanup_all_ex_data()\n");
-    fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "crypto_cleanup_all_ex_data_intern()\n");
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "BIO_sock_cleanup()\n");
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
                     "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");
-
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "OBJ_cleanup()\n");
 #endif
-    CRYPTO_cleanup_all_ex_data();
-    EVP_cleanup();
+    /*
+     * Note that cleanup order is important:
+     * - rand_cleanup_intern could call an ENINGE's RAND cleanup function so
+     * must be called before ENGINE_cleanup()
+     * - 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() can end up in ENGINE code so must be called before
+     * ENGINE_cleanup()
+     */
+    rand_cleanup_intern();
     CONF_modules_free();
 #ifndef OPENSSL_NO_ENGINE
     ENGINE_cleanup();
 #endif
-    RAND_cleanup();
+    crypto_cleanup_all_ex_data_intern();
+#ifndef OPENSSL_NO_SOCK
+    BIO_sock_cleanup();
+#endif
+    EVP_cleanup();
+    OBJ_cleanup();
     base_inited = 0;
 }
 
@@ -551,11 +559,10 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
             return 0;
     }
 
-#ifndef OPENSSL_NO_ASYNC
     if ((opts & OPENSSL_INIT_ASYNC)
             && !CRYPTO_THREAD_run_once(&async, ossl_init_async))
         return 0;
-#endif
+
 #ifndef OPENSSL_NO_ENGINE
     if ((opts & OPENSSL_INIT_ENGINE_OPENSSL)
             && !CRYPTO_THREAD_run_once(&engine_openssl,
@@ -580,13 +587,13 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
 # ifndef OPENSSL_NO_STATIC_ENGINE
 #  if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
     if ((opts & OPENSSL_INIT_ENGINE_PADLOCK)
-            && CRYPTO_THREAD_run_once(&engine_padlock,
-                                      ossl_init_engine_padlock))
+            && !CRYPTO_THREAD_run_once(&engine_padlock,
+                                       ossl_init_engine_padlock))
         return 0;
 #  endif
 #  if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
     if ((opts & OPENSSL_INIT_ENGINE_CAPI)
-            && CRYPTO_THREAD_run_once(&engine_capi, ossl_init_engine_capi))
+            && !CRYPTO_THREAD_run_once(&engine_capi, ossl_init_engine_capi))
         return 0;
 #  endif
     if ((opts & OPENSSL_INIT_ENGINE_DASYNC)
@@ -607,7 +614,7 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
 
 #ifndef OPENSSL_NO_COMP
     if ((opts & OPENSSL_INIT_ZLIB)
-            && CRYPTO_THREAD_run_once(&zlib, ossl_init_zlib))
+            && !CRYPTO_THREAD_run_once(&zlib, ossl_init_zlib))
         return 0;
 #endif
 
@@ -628,5 +635,3 @@ int OPENSSL_atexit(void (*handler)(void))
 
     return 1;
 }
-
-