Hide symbols in objects

ok tb@

7 files changed, 130 insertions, 5 deletions

diff --git a/lib/libcrypto/Symbols.namespace b/lib/libcrypto/Symbols.namespace
index da7ad8dbe7f..63f9e7c6f01 100644
--- a/lib/libcrypto/Symbols.namespace
+++ b/lib/libcrypto/Symbols.namespace
@@ -2525,3 +2525,35 @@ _libre_RSA_meth_set_sign
 _libre_RSA_meth_get_verify
 _libre_RSA_meth_set_verify
 _libre_ERR_load_RSA_strings
+_libre_OBJ_NAME_init
+_libre_OBJ_NAME_new_index
+_libre_OBJ_NAME_get
+_libre_OBJ_NAME_add
+_libre_OBJ_NAME_remove
+_libre_OBJ_NAME_cleanup
+_libre_OBJ_NAME_do_all
+_libre_OBJ_NAME_do_all_sorted
+_libre_OBJ_dup
+_libre_OBJ_nid2obj
+_libre_OBJ_nid2ln
+_libre_OBJ_nid2sn
+_libre_OBJ_obj2nid
+_libre_OBJ_txt2obj
+_libre_OBJ_obj2txt
+_libre_OBJ_txt2nid
+_libre_OBJ_ln2nid
+_libre_OBJ_sn2nid
+_libre_OBJ_cmp
+_libre_OBJ_bsearch_
+_libre_OBJ_new_nid
+_libre_OBJ_add_object
+_libre_OBJ_create
+_libre_OBJ_cleanup
+_libre_OBJ_create_objects
+_libre_OBJ_length
+_libre_OBJ_get0_data
+_libre_OBJ_find_sigid_algs
+_libre_OBJ_find_sigid_by_algs
+_libre_OBJ_add_sigid
+_libre_OBJ_sigid_free
+_libre_ERR_load_OBJ_strings
diff --git a/lib/libcrypto/hidden/openssl/objects.h b/lib/libcrypto/hidden/openssl/objects.h
new file mode 100644
index 00000000000..f658a7cfa51
--- /dev/null
+++ b/lib/libcrypto/hidden/openssl/objects.h
@@ -0,0 +1,61 @@
+/* $OpenBSD: objects.h,v 1.1 2023/07/08 12:27:51 beck Exp $ */
+/*
+ * Copyright (c) 2023 Bob Beck <beck@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_OBJECTS_H
+#define _LIBCRYPTO_OBJECTS_H
+
+#ifndef _MSC_VER
+#include_next <openssl/objects.h>
+#else
+#include "../include/openssl/objects.h"
+#endif
+#include "crypto_namespace.h"
+
+LCRYPTO_USED(OBJ_NAME_init);
+LCRYPTO_USED(OBJ_NAME_new_index);
+LCRYPTO_USED(OBJ_NAME_get);
+LCRYPTO_USED(OBJ_NAME_add);
+LCRYPTO_USED(OBJ_NAME_remove);
+LCRYPTO_USED(OBJ_NAME_cleanup);
+LCRYPTO_USED(OBJ_NAME_do_all);
+LCRYPTO_USED(OBJ_NAME_do_all_sorted);
+LCRYPTO_USED(OBJ_dup);
+LCRYPTO_USED(OBJ_nid2obj);
+LCRYPTO_USED(OBJ_nid2ln);
+LCRYPTO_USED(OBJ_nid2sn);
+LCRYPTO_USED(OBJ_obj2nid);
+LCRYPTO_USED(OBJ_txt2obj);
+LCRYPTO_USED(OBJ_obj2txt);
+LCRYPTO_USED(OBJ_txt2nid);
+LCRYPTO_USED(OBJ_ln2nid);
+LCRYPTO_USED(OBJ_sn2nid);
+LCRYPTO_USED(OBJ_cmp);
+LCRYPTO_USED(OBJ_bsearch_);
+LCRYPTO_USED(OBJ_new_nid);
+LCRYPTO_USED(OBJ_add_object);
+LCRYPTO_USED(OBJ_create);
+LCRYPTO_USED(OBJ_cleanup);
+LCRYPTO_USED(OBJ_create_objects);
+LCRYPTO_USED(OBJ_length);
+LCRYPTO_USED(OBJ_get0_data);
+LCRYPTO_USED(OBJ_find_sigid_algs);
+LCRYPTO_USED(OBJ_find_sigid_by_algs);
+LCRYPTO_USED(OBJ_add_sigid);
+LCRYPTO_USED(OBJ_sigid_free);
+LCRYPTO_USED(ERR_load_OBJ_strings);
+
+#endif /* _LIBCRYPTO_OBJECTS_H */
diff --git a/lib/libcrypto/objects/o_names.c b/lib/libcrypto/objects/o_names.c
index 2cdd2f3aa6d..48b95d6767a 100644
--- a/lib/libcrypto/objects/o_names.c
+++ b/lib/libcrypto/objects/o_names.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: o_names.c,v 1.23 2022/11/08 23:19:09 mbuhl Exp $ */
+/* $OpenBSD: o_names.c,v 1.24 2023/07/08 12:27:51 beck Exp $ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -47,6 +47,7 @@ OBJ_NAME_init(void)
 	names_lh = lh_OBJ_NAME_new();
 	return (names_lh != NULL);
 }
+LCRYPTO_ALIAS(OBJ_NAME_init);
 
 int
 OBJ_NAME_new_index(unsigned long (*hash_func)(const char *),
@@ -88,6 +89,7 @@ OBJ_NAME_new_index(unsigned long (*hash_func)(const char *),
 		name_funcs->free_func = free_func;
 	return (ret);
 }
+LCRYPTO_ALIAS(OBJ_NAME_new_index);
 
 /* static int obj_name_cmp(OBJ_NAME *a, OBJ_NAME *b) */
 static int
@@ -157,6 +159,7 @@ OBJ_NAME_get(const char *name, int type)
 		}
 	}
 }
+LCRYPTO_ALIAS(OBJ_NAME_get);
 
 int
 OBJ_NAME_add(const char *name, int type, const char *data)
@@ -204,6 +207,7 @@ OBJ_NAME_add(const char *name, int type, const char *data)
 	}
 	return (1);
 }
+LCRYPTO_ALIAS(OBJ_NAME_add);
 
 int
 OBJ_NAME_remove(const char *name, int type)
@@ -234,6 +238,7 @@ OBJ_NAME_remove(const char *name, int type)
 	} else
 		return (0);
 }
+LCRYPTO_ALIAS(OBJ_NAME_remove);
 
 struct doall {
 	int type;
@@ -262,6 +267,7 @@ OBJ_NAME_do_all(int type, void (*fn)(const OBJ_NAME *, void *arg), void *arg)
 	lh_OBJ_NAME_doall_arg(names_lh, LHASH_DOALL_ARG_FN(do_all_fn),
 	    struct doall, &d);
 }
+LCRYPTO_ALIAS(OBJ_NAME_do_all);
 
 struct doall_sorted {
 	int type;
@@ -311,6 +317,7 @@ OBJ_NAME_do_all_sorted(int type, void (*fn)(const OBJ_NAME *, void *arg),
 		free(d.names);
 	}
 }
+LCRYPTO_ALIAS(OBJ_NAME_do_all_sorted);
 
 static int free_type;
 
@@ -353,3 +360,4 @@ OBJ_NAME_cleanup(int type)
 	} else
 		lh_OBJ_NAME_down_load(names_lh) = down_load;
 }
+LCRYPTO_ALIAS(OBJ_NAME_cleanup);
diff --git a/lib/libcrypto/objects/obj_dat.c b/lib/libcrypto/objects/obj_dat.c
index 7516a6d09a7..ff061774515 100644
--- a/lib/libcrypto/objects/obj_dat.c
+++ b/lib/libcrypto/objects/obj_dat.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: obj_dat.c,v 1.53 2023/05/23 11:51:12 tb Exp $ */
+/* $OpenBSD: obj_dat.c,v 1.54 2023/07/08 12:27:51 beck Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -280,6 +280,7 @@ OBJ_cleanup(void)
 	lh_ADDED_OBJ_free(added);
 	added = NULL;
 }
+LCRYPTO_ALIAS(OBJ_cleanup);
 
 int
 OBJ_new_nid(int num)
@@ -290,6 +291,7 @@ OBJ_new_nid(int num)
 	new_nid += num;
 	return (i);
 }
+LCRYPTO_ALIAS(OBJ_new_nid);
 
 int
 OBJ_add_object(const ASN1_OBJECT *obj)
@@ -338,6 +340,7 @@ OBJ_add_object(const ASN1_OBJECT *obj)
 	ASN1_OBJECT_free(o);
 	return (NID_undef);
 }
+LCRYPTO_ALIAS(OBJ_add_object);
 
 ASN1_OBJECT *
 OBJ_nid2obj(int n)
@@ -366,6 +369,7 @@ OBJ_nid2obj(int n)
 		}
 	}
 }
+LCRYPTO_ALIAS(OBJ_nid2obj);
 
 const char *
 OBJ_nid2sn(int n)
@@ -394,6 +398,7 @@ OBJ_nid2sn(int n)
 		}
 	}
 }
+LCRYPTO_ALIAS(OBJ_nid2sn);
 
 const char *
 OBJ_nid2ln(int n)
@@ -422,6 +427,7 @@ OBJ_nid2ln(int n)
 		}
 	}
 }
+LCRYPTO_ALIAS(OBJ_nid2ln);
 
 static int
 obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
@@ -475,6 +481,7 @@ OBJ_obj2nid(const ASN1_OBJECT *a)
 		return (NID_undef);
 	return (nid_objs[*op].nid);
 }
+LCRYPTO_ALIAS(OBJ_obj2nid);
 
 /* Convert an object name into an ASN1_OBJECT
  * if "noname" is not set then search for short and long names first.
@@ -495,12 +502,14 @@ OBJ_txt2obj(const char *s, int no_name)
 
 	return t2i_ASN1_OBJECT_internal(s);
 }
+LCRYPTO_ALIAS(OBJ_txt2obj);
 
 int
 OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *aobj, int no_name)
 {
 	return i2t_ASN1_OBJECT_internal(aobj, buf, buf_len, no_name);
 }
+LCRYPTO_ALIAS(OBJ_obj2txt);
 
 int
 OBJ_txt2nid(const char *s)
@@ -513,6 +522,7 @@ OBJ_txt2nid(const char *s)
 	ASN1_OBJECT_free(obj);
 	return nid;
 }
+LCRYPTO_ALIAS(OBJ_txt2nid);
 
 int
 OBJ_ln2nid(const char *s)
@@ -535,6 +545,7 @@ OBJ_ln2nid(const char *s)
 		return (NID_undef);
 	return (nid_objs[*op].nid);
 }
+LCRYPTO_ALIAS(OBJ_ln2nid);
 
 int
 OBJ_sn2nid(const char *s)
@@ -557,6 +568,7 @@ OBJ_sn2nid(const char *s)
 		return (NID_undef);
 	return (nid_objs[*op].nid);
 }
+LCRYPTO_ALIAS(OBJ_sn2nid);
 
 const void *
 OBJ_bsearch_(const void *key, const void *base, int num, int size,
@@ -564,6 +576,7 @@ OBJ_bsearch_(const void *key, const void *base, int num, int size,
 {
 	return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
 }
+LCRYPTO_ALIAS(OBJ_bsearch_);
 
 const void *
 OBJ_bsearch_ex_(const void *key, const void *base_, int num, int size,
@@ -646,6 +659,7 @@ OBJ_create_objects(BIO *in)
 	}
 	/* return(num); */
 }
+LCRYPTO_ALIAS(OBJ_create_objects);
 
 int
 OBJ_create(const char *oid, const char *sn, const char *ln)
@@ -676,6 +690,7 @@ OBJ_create(const char *oid, const char *sn, const char *ln)
 	free(buf);
 	return (ok);
 }
+LCRYPTO_ALIAS(OBJ_create);
 
 size_t
 OBJ_length(const ASN1_OBJECT *obj)
@@ -688,6 +703,7 @@ OBJ_length(const ASN1_OBJECT *obj)
 
 	return obj->length;
 }
+LCRYPTO_ALIAS(OBJ_length);
 
 const unsigned char *
 OBJ_get0_data(const ASN1_OBJECT *obj)
@@ -697,3 +713,4 @@ OBJ_get0_data(const ASN1_OBJECT *obj)
 
 	return obj->data;
 }
+LCRYPTO_ALIAS(OBJ_get0_data);
diff --git a/lib/libcrypto/objects/obj_err.c b/lib/libcrypto/objects/obj_err.c
index 50e2a0e0c4d..04cb4218c24 100644
--- a/lib/libcrypto/objects/obj_err.c
+++ b/lib/libcrypto/objects/obj_err.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: obj_err.c,v 1.13 2022/07/12 14:42:49 kn Exp $ */
+/* $OpenBSD: obj_err.c,v 1.14 2023/07/08 12:27:51 beck Exp $ */
 /* ====================================================================
  * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
  *
@@ -88,3 +88,4 @@ ERR_load_OBJ_strings(void)
 	}
 #endif
 }
+LCRYPTO_ALIAS(ERR_load_OBJ_strings);
diff --git a/lib/libcrypto/objects/obj_lib.c b/lib/libcrypto/objects/obj_lib.c
index eb06adfb92a..83575c16c92 100644
--- a/lib/libcrypto/objects/obj_lib.c
+++ b/lib/libcrypto/objects/obj_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: obj_lib.c,v 1.17 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: obj_lib.c,v 1.18 2023/07/08 12:27:51 beck Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -119,6 +119,7 @@ OBJ_dup(const ASN1_OBJECT *o)
 	free(r);
 	return (NULL);
 }
+LCRYPTO_ALIAS(OBJ_dup);
 
 int
 OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
@@ -130,3 +131,4 @@ OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
 		return (ret);
 	return (memcmp(a->data, b->data, a->length));
 }
+LCRYPTO_ALIAS(OBJ_cmp);
diff --git a/lib/libcrypto/objects/obj_xref.c b/lib/libcrypto/objects/obj_xref.c
index 3e8730d1c6b..2318c86ce25 100644
--- a/lib/libcrypto/objects/obj_xref.c
+++ b/lib/libcrypto/objects/obj_xref.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: obj_xref.c,v 1.8 2017/01/21 04:44:43 jsing Exp $ */
+/* $OpenBSD: obj_xref.c,v 1.9 2023/07/08 12:27:51 beck Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -151,6 +151,7 @@ OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
 		*ppkey_nid = rv->pkey_id;
 	return 1;
 }
+LCRYPTO_ALIAS(OBJ_find_sigid_algs);
 
 int
 OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
@@ -182,6 +183,7 @@ OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
 		*psignid = (*rv)->sign_id;
 	return 1;
 }
+LCRYPTO_ALIAS(OBJ_find_sigid_by_algs);
 
 int
 OBJ_add_sigid(int signid, int dig_id, int pkey_id)
@@ -216,6 +218,7 @@ OBJ_add_sigid(int signid, int dig_id, int pkey_id)
 
 	return 1;
 }
+LCRYPTO_ALIAS(OBJ_add_sigid);
 
 static void
 sid_free(nid_triple *tt)
@@ -235,3 +238,4 @@ OBJ_sigid_free(void)
 		sigx_app = NULL;
 	}
 }
+LCRYPTO_ALIAS(OBJ_sigid_free);