From 9cc23e66e95df689d0bacc9ae4f8bd9907a56666 Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Sat, 31 Aug 2024 09:39:31 +0000
Subject: [PATCH] const correct uses of CONF_METHOD

While not all of this is strictly needed, it was simply incorrect. This
way another global which was modifiable for no good reason becomes const.

ok beck jsing
---
 lib/libcrypto/conf/conf.h       | 8 ++++----
 lib/libcrypto/conf/conf_def.c   | 8 ++++----
 lib/libcrypto/conf/conf_lib.c   | 6 +++---
 lib/libcrypto/conf/conf_local.h | 4 ++--
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/lib/libcrypto/conf/conf.h b/lib/libcrypto/conf/conf.h
index f5c449e5475..7ddb33ccd43 100644
--- a/lib/libcrypto/conf/conf.h
+++ b/lib/libcrypto/conf/conf.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf.h,v 1.21 2024/08/31 09:36:38 tb Exp $ */
+/* $OpenBSD: conf.h,v 1.22 2024/08/31 09:39:31 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -126,12 +126,12 @@ void OPENSSL_no_config(void);
    If that wasn't the case, the above functions would have been replaced */
 
 struct conf_st {
-	CONF_METHOD *meth;
+	const CONF_METHOD *meth;
 	LHASH_OF(CONF_VALUE) *data;
 };
 
-CONF *NCONF_new(CONF_METHOD *meth);
-CONF_METHOD *NCONF_default(void);
+CONF *NCONF_new(const CONF_METHOD *meth);
+const CONF_METHOD *NCONF_default(void);
 void NCONF_free(CONF *conf);
 void NCONF_free_data(CONF *conf);
 
diff --git a/lib/libcrypto/conf/conf_def.c b/lib/libcrypto/conf/conf_def.c
index 5698bfdbaf5..26e273c841d 100644
--- a/lib/libcrypto/conf/conf_def.c
+++ b/lib/libcrypto/conf/conf_def.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf_def.c,v 1.41 2024/08/31 09:36:38 tb Exp $ */
+/* $OpenBSD: conf_def.c,v 1.42 2024/08/31 09:39:31 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -81,7 +81,7 @@ static char *scan_dquote(CONF *conf, char *p);
 #define scan_esc(conf,p)	(((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))
 
 static CONF *
-def_create(CONF_METHOD *meth)
+def_create(const CONF_METHOD *meth)
 {
 	CONF *ret;
 
@@ -634,7 +634,7 @@ def_to_int(const CONF *conf, char c)
 	return c - '0';
 }
 
-static CONF_METHOD default_method = {
+static const CONF_METHOD default_method = {
 	.name = "OpenSSL default",
 	.create = def_create,
 	.init = def_init_default,
@@ -647,7 +647,7 @@ static CONF_METHOD default_method = {
 	.load = def_load,
 };
 
-CONF_METHOD *
+const CONF_METHOD *
 NCONF_default(void)
 {
 	return &default_method;
diff --git a/lib/libcrypto/conf/conf_lib.c b/lib/libcrypto/conf/conf_lib.c
index ccd09c02586..d7a2870520a 100644
--- a/lib/libcrypto/conf/conf_lib.c
+++ b/lib/libcrypto/conf/conf_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf_lib.c,v 1.21 2024/08/31 09:29:03 tb Exp $ */
+/* $OpenBSD: conf_lib.c,v 1.22 2024/08/31 09:39:31 tb Exp $ */
 /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
  * project 2000.
  */
@@ -64,7 +64,7 @@
 
 #include "conf_local.h"
 
-static CONF_METHOD *default_CONF_method = NULL;
+static const CONF_METHOD *default_CONF_method = NULL;
 
 /* Init a 'CONF' structure from an old LHASH */
 
@@ -202,7 +202,7 @@ LCRYPTO_ALIAS(CONF_free);
    by the "CONF classic" functions, for consistency.  */
 
 CONF *
-NCONF_new(CONF_METHOD *meth)
+NCONF_new(const CONF_METHOD *meth)
 {
 	CONF *ret;
 
diff --git a/lib/libcrypto/conf/conf_local.h b/lib/libcrypto/conf/conf_local.h
index c991f0629b9..f2c755bbf69 100644
--- a/lib/libcrypto/conf/conf_local.h
+++ b/lib/libcrypto/conf/conf_local.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: conf_local.h,v 1.3 2024/08/31 09:29:03 tb Exp $ */
+/* $OpenBSD: conf_local.h,v 1.4 2024/08/31 09:39:31 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -63,7 +63,7 @@ __BEGIN_HIDDEN_DECLS
 
 struct conf_method_st {
 	const char *name;
-	CONF *(*create)(CONF_METHOD *meth);
+	CONF *(*create)(const CONF_METHOD *meth);
 	int (*init)(CONF *conf);
 	int (*destroy)(CONF *conf);
 	int (*destroy_data)(CONF *conf);
-- 
2.20.1