Hide symbols in engine

ok jsing

3 files changed, 87 insertions, 1 deletions

diff --git a/src/lib/libcrypto/Symbols.namespace b/src/lib/libcrypto/Symbols.namespace
index 95b2a33720..adb4330f09 100644
--- a/src/lib/libcrypto/Symbols.namespace
+++ b/src/lib/libcrypto/Symbols.namespace
@@ -2523,3 +2523,22 @@ _libre_OPENSSL_gmtime
 _libre_OPENSSL_timegm
 _libre_OPENSSL_posix_to_tm
 _libre_OPENSSL_tm_to_posix
+_libre_ENGINE_load_builtin_engines
+_libre_ENGINE_load_dynamic
+_libre_ENGINE_load_openssl
+_libre_ENGINE_register_all_complete
+_libre_ENGINE_cleanup
+_libre_ENGINE_new
+_libre_ENGINE_free
+_libre_ENGINE_init
+_libre_ENGINE_finish
+_libre_ENGINE_by_id
+_libre_ENGINE_get_id
+_libre_ENGINE_get_name
+_libre_ENGINE_set_default
+_libre_ENGINE_get_default_RSA
+_libre_ENGINE_set_default_RSA
+_libre_ENGINE_ctrl_cmd
+_libre_ENGINE_ctrl_cmd_string
+_libre_ENGINE_load_private_key
+_libre_ENGINE_load_public_key
diff --git a/src/lib/libcrypto/engine/engine_stubs.c b/src/lib/libcrypto/engine/engine_stubs.c
index bd031e49f0..055396fba0 100644
--- a/src/lib/libcrypto/engine/engine_stubs.c
+++ b/src/lib/libcrypto/engine/engine_stubs.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: engine_stubs.c,v 1.3 2023/11/19 15:47:40 tb Exp $ */
+/*      $OpenBSD: engine_stubs.c,v 1.4 2024/03/27 06:08:45 tb Exp $ */
 
 /*
  * Written by Theo Buehler. Public domain.
@@ -10,87 +10,102 @@ void
 ENGINE_load_builtin_engines(void)
 {
 }
+LCRYPTO_ALIAS(ENGINE_load_builtin_engines);
 
 void
 ENGINE_load_dynamic(void)
 {
 }
+LCRYPTO_ALIAS(ENGINE_load_dynamic);
 
 void
 ENGINE_load_openssl(void)
 {
 }
+LCRYPTO_ALIAS(ENGINE_load_openssl);
 
 int
 ENGINE_register_all_complete(void)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_register_all_complete);
 
 void
 ENGINE_cleanup(void)
 {
 }
+LCRYPTO_ALIAS(ENGINE_cleanup);
 
 ENGINE *
 ENGINE_new(void)
 {
         return NULL;
 }
+LCRYPTO_ALIAS(ENGINE_new);
 
 int
 ENGINE_free(ENGINE *engine)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_free);
 
 int
 ENGINE_init(ENGINE *engine)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_init);
 
 int
 ENGINE_finish(ENGINE *engine)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_finish);
 
 ENGINE *
 ENGINE_by_id(const char *id)
 {
         return NULL;
 }
+LCRYPTO_ALIAS(ENGINE_by_id);
 
 const char *
 ENGINE_get_id(const ENGINE *engine)
 {
         return "";
 }
+LCRYPTO_ALIAS(ENGINE_get_id);
 
 const char *
 ENGINE_get_name(const ENGINE *engine)
 {
         return "";
 }
+LCRYPTO_ALIAS(ENGINE_get_name);
 
 int
 ENGINE_set_default(ENGINE *engine, unsigned int flags)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_set_default);
 
 ENGINE *
 ENGINE_get_default_RSA(void)
 {
         return NULL;
 }
+LCRYPTO_ALIAS(ENGINE_get_default_RSA);
 
 int
 ENGINE_set_default_RSA(ENGINE *engine)
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_set_default_RSA);
 
 int
 ENGINE_ctrl_cmd(ENGINE *engine, const char *cmd_name, long i, void *p,
@@ -98,6 +113,7 @@ ENGINE_ctrl_cmd(ENGINE *engine, const char *cmd_name, long i, void *p,
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_ctrl_cmd);
 
 int
 ENGINE_ctrl_cmd_string(ENGINE *engine, const char *cmd, const char *arg,
@@ -105,6 +121,7 @@ ENGINE_ctrl_cmd_string(ENGINE *engine, const char *cmd, const char *arg,
 {
         return 0;
 }
+LCRYPTO_ALIAS(ENGINE_ctrl_cmd_string);
 
 EVP_PKEY *
 ENGINE_load_private_key(ENGINE *engine, const char *key_id,
@@ -112,6 +129,7 @@ ENGINE_load_private_key(ENGINE *engine, const char *key_id,
 {
         return NULL;
 }
+LCRYPTO_ALIAS(ENGINE_load_private_key);
 
 EVP_PKEY *
 ENGINE_load_public_key(ENGINE *engine, const char *key_id,
@@ -119,3 +137,4 @@ ENGINE_load_public_key(ENGINE *engine, const char *key_id,
 {
         return NULL;
 }
+LCRYPTO_ALIAS(ENGINE_load_public_key);
diff --git a/src/lib/libcrypto/hidden/openssl/engine.h b/src/lib/libcrypto/hidden/openssl/engine.h
new file mode 100644
index 0000000000..78334779b1
--- /dev/null
+++ b/src/lib/libcrypto/hidden/openssl/engine.h
@@ -0,0 +1,48 @@
+/* $OpenBSD: engine.h,v 1.1 2024/03/27 06:08:45 tb Exp $ */
+/*
+ * Copyright (c) 2024 Theo Buehler <tb@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LIBCRYPTO_ENGINE_H
+#define _LIBCRYPTO_ENGINE_H
+
+#ifndef _MSC_VER
+#include_next <openssl/engine.h>
+#else
+#include "../include/openssl/engine.h"
+#endif
+#include "crypto_namespace.h"
+
+LCRYPTO_USED(ENGINE_load_builtin_engines);
+LCRYPTO_USED(ENGINE_load_dynamic);
+LCRYPTO_USED(ENGINE_load_openssl);
+LCRYPTO_USED(ENGINE_register_all_complete);
+LCRYPTO_USED(ENGINE_cleanup);
+LCRYPTO_USED(ENGINE_new);
+LCRYPTO_USED(ENGINE_free);
+LCRYPTO_USED(ENGINE_init);
+LCRYPTO_USED(ENGINE_finish);
+LCRYPTO_USED(ENGINE_by_id);
+LCRYPTO_USED(ENGINE_get_id);
+LCRYPTO_USED(ENGINE_get_name);
+LCRYPTO_USED(ENGINE_set_default);
+LCRYPTO_USED(ENGINE_get_default_RSA);
+LCRYPTO_USED(ENGINE_set_default_RSA);
+LCRYPTO_USED(ENGINE_ctrl_cmd);
+LCRYPTO_USED(ENGINE_ctrl_cmd_string);
+LCRYPTO_USED(ENGINE_load_private_key);
+LCRYPTO_USED(ENGINE_load_public_key);
+
+#endif /* _LIBCRYPTO_ENGINE_H */