From bd5b787cc4986966ead549dfccedfacbbe5ba2fe Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Fri, 15 Dec 2023 01:51:23 +0000
Subject: [PATCH] Hoist OBJ_sn2nid() over OBJ_ln2nid()

In all other places, the short name comes before the long name, so fix
the only exception.
---
 lib/libcrypto/objects/obj_dat.c | 34 ++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/lib/libcrypto/objects/obj_dat.c b/lib/libcrypto/objects/obj_dat.c
index f97a5b76d9d..e72598ef616 100644
--- a/lib/libcrypto/objects/obj_dat.c
+++ b/lib/libcrypto/objects/obj_dat.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: obj_dat.c,v 1.81 2023/12/15 01:47:50 tb Exp $ */
+/* $OpenBSD: obj_dat.c,v 1.82 2023/12/15 01:51:23 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -377,27 +377,27 @@ OBJ_obj2nid(const ASN1_OBJECT *aobj)
 LCRYPTO_ALIAS(OBJ_obj2nid);
 
 static int
-ln_objs_cmp(const void *ln, const void *b)
+sn_objs_cmp(const void *sn, const void *b)
 {
 	const unsigned int *nid = b;
 
 	OPENSSL_assert(*nid < NUM_NID);
 
-	return strcmp(ln, nid_objs[*nid].ln);
+	return strcmp(sn, nid_objs[*nid].sn);
 }
 
 int
-OBJ_ln2nid(const char *ln)
+OBJ_sn2nid(const char *sn)
 {
 	const unsigned int *nid;
 
 	/* XXX - locking. OpenSSL 3 moved this after built-in object lookup. */
 	if (added != NULL) {
 		ASN1_OBJECT aobj = {
-			.ln = ln,
+			.sn = sn,
 		};
 		ADDED_OBJ needle = {
-			.type = ADDED_LNAME,
+			.type = ADDED_SNAME,
 			.obj = &aobj,
 		};
 		ADDED_OBJ *found;
@@ -406,37 +406,37 @@ OBJ_ln2nid(const char *ln)
 			return found->obj->nid;
 	}
 
-	/* ln_objs holds NIDs in ascending alphabetical order of LN. */
-	nid = bsearch(ln, ln_objs, NUM_LN, sizeof(unsigned int), ln_objs_cmp);
+	/* sn_objs holds NIDs in ascending alphabetical order of SN. */
+	nid = bsearch(sn, sn_objs, NUM_SN, sizeof(unsigned int), sn_objs_cmp);
 	if (nid != NULL)
 		return *nid;
 
 	return NID_undef;
 }
-LCRYPTO_ALIAS(OBJ_ln2nid);
+LCRYPTO_ALIAS(OBJ_sn2nid);
 
 static int
-sn_objs_cmp(const void *sn, const void *b)
+ln_objs_cmp(const void *ln, const void *b)
 {
 	const unsigned int *nid = b;
 
 	OPENSSL_assert(*nid < NUM_NID);
 
-	return strcmp(sn, nid_objs[*nid].sn);
+	return strcmp(ln, nid_objs[*nid].ln);
 }
 
 int
-OBJ_sn2nid(const char *sn)
+OBJ_ln2nid(const char *ln)
 {
 	const unsigned int *nid;
 
 	/* XXX - locking. OpenSSL 3 moved this after built-in object lookup. */
 	if (added != NULL) {
 		ASN1_OBJECT aobj = {
-			.sn = sn,
+			.ln = ln,
 		};
 		ADDED_OBJ needle = {
-			.type = ADDED_SNAME,
+			.type = ADDED_LNAME,
 			.obj = &aobj,
 		};
 		ADDED_OBJ *found;
@@ -445,14 +445,14 @@ OBJ_sn2nid(const char *sn)
 			return found->obj->nid;
 	}
 
-	/* sn_objs holds NIDs in ascending alphabetical order of SN. */
-	nid = bsearch(sn, sn_objs, NUM_SN, sizeof(unsigned int), sn_objs_cmp);
+	/* ln_objs holds NIDs in ascending alphabetical order of LN. */
+	nid = bsearch(ln, ln_objs, NUM_LN, sizeof(unsigned int), ln_objs_cmp);
 	if (nid != NULL)
 		return *nid;
 
 	return NID_undef;
 }
-LCRYPTO_ALIAS(OBJ_sn2nid);
+LCRYPTO_ALIAS(OBJ_ln2nid);
 
 const void *
 OBJ_bsearch_(const void *key, const void *base, int num, int size,
-- 
2.20.1