Remove #error from include files.
[openssl.git] / crypto / init.c
index 44acd4f4df87e54d6aaf939f29fc739a33bf4d4b..d3167804d97a22c89906bd1c49df98c2511675d1 100644 (file)
@@ -63,9 +63,7 @@
 #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/err.h>
 #include <stdlib.h>
@@ -236,7 +234,6 @@ static void ossl_init_async(void)
 #endif
 
 #ifndef OPENSSL_NO_ENGINE
-static int engine_inited = 0;
 static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
 static void ossl_init_engine_openssl(void)
 {
@@ -245,7 +242,6 @@ static void ossl_init_engine_openssl(void)
                     "engine_load_openssl_internal()\n");
 # endif
     engine_load_openssl_internal();
-    engine_inited = 1;
 }
 # if !defined(OPENSSL_NO_HW) && \
     (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV))
@@ -257,7 +253,6 @@ static void ossl_init_engine_cryptodev(void)
                     "engine_load_cryptodev_internal()\n");
 #  endif
     engine_load_cryptodev_internal();
-    engine_inited = 1;
 }
 # endif
 
@@ -270,7 +265,6 @@ static void ossl_init_engine_rdrand(void)
                     "engine_load_rdrand_internal()\n");
 #  endif
     engine_load_rdrand_internal();
-    engine_inited = 1;
 }
 # endif
 static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT;
@@ -281,7 +275,6 @@ static void ossl_init_engine_dynamic(void)
                     "engine_load_dynamic_internal()\n");
 # endif
     engine_load_dynamic_internal();
-    engine_inited = 1;
 }
 # ifndef OPENSSL_NO_STATIC_ENGINE
 #  if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
@@ -293,7 +286,6 @@ static void ossl_init_engine_padlock(void)
                     "engine_load_padlock_internal()\n");
 #   endif
     engine_load_padlock_internal();
-    engine_inited = 1;
 }
 #  endif
 #  if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
@@ -305,7 +297,6 @@ static void ossl_init_engine_capi(void)
                     "engine_load_capi_internal()\n");
 #   endif
     engine_load_capi_internal();
-    engine_inited = 1;
 }
 #  endif
 static CRYPTO_ONCE engine_dasync = CRYPTO_ONCE_STATIC_INIT;
@@ -316,10 +307,9 @@ static void ossl_init_engine_dasync(void)
                     "engine_load_dasync_internal()\n");
 # endif
     engine_load_dasync_internal();
-    engine_inited = 1;
 }
 #  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
@@ -327,19 +317,21 @@ static void ossl_init_engine_afalg(void)
                     "engine_load_afalg_internal()\n");
 #   endif
     engine_load_afalg_internal();
-    engine_inited = 1;
 }
 #  endif
 # endif
 #endif
 
+#ifndef OPENSSL_NO_COMP
 static CRYPTO_ONCE zlib = CRYPTO_ONCE_STATIC_INIT;
+
 static int zlib_inited = 0;
 static void ossl_init_zlib(void)
 {
     /* Do nothing - we need to know about this for the later cleanup */
     zlib_inited = 1;
 }
+#endif
 
 static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
 {
@@ -360,9 +352,9 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
     if (locals->err_state) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
-                        "ERR_remove_thread_state(NULL)\n");
+                        "ERR_remove_thread_state()\n");
 #endif
-        ERR_remove_thread_state(NULL);
+        ERR_remove_thread_state();
     }
 
     OPENSSL_free(locals);
@@ -435,6 +427,7 @@ void OPENSSL_cleanup(void)
      * conditions for the various "*_inited" vars below.
      */
 
+#ifndef OPENSSL_NO_COMP
     if (zlib_inited) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
@@ -442,6 +435,7 @@ void OPENSSL_cleanup(void)
 #endif
         COMP_zlib_cleanup();
     }
+#endif
 
 #ifndef OPENSSL_NO_ASYNC
     if (async_inited) {
@@ -453,16 +447,6 @@ void OPENSSL_cleanup(void)
     }
 #endif
 
-#ifndef OPENSSL_NO_ENGINE
-    if (engine_inited) {
-# ifdef OPENSSL_INIT_DEBUG
-        fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
-                        "ENGINE_cleanup()\n");
-# endif
-        ENGINE_cleanup();
-    }
-#endif
-
     if (load_crypto_strings_inited) {
 #ifdef OPENSSL_INIT_DEBUG
         fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
@@ -474,19 +458,41 @@ void OPENSSL_cleanup(void)
     CRYPTO_THREAD_cleanup_local(&threadstopkey);
 
 #ifdef OPENSSL_INIT_DEBUG
-    fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
+    fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+                    "RAND_cleanup()\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_cleanup: "
                     "CRYPTO_cleanup_all_ex_data()\n");
-    fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
+    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
+    /*
+     * Note that cleanup order is important:
+     * - RAND_cleanup 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();
+    CONF_modules_free();
+#ifndef OPENSSL_NO_ENGINE
+    ENGINE_cleanup();
 #endif
     CRYPTO_cleanup_all_ex_data();
+    BIO_sock_cleanup();
     EVP_cleanup();
-    CONF_modules_free();
-    RAND_cleanup();
+    OBJ_cleanup();
     base_inited = 0;
 }
 
@@ -586,13 +592,13 @@ 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)
@@ -611,9 +617,11 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
     }
 #endif
 
+#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
 
     return 1;
 }
@@ -632,5 +640,3 @@ int OPENSSL_atexit(void (*handler)(void))
 
     return 1;
 }
-
-