Add const to the 'x' and 'obj' arguments of:

X509_get_ext(3), X509_get_ext_by_NID(3), X509_get_ext_by_OBJ(3),
X509_get_ext_by_critical(3), X509_get_ext_count(3), X509_get_ext_d2i(3).

tested in a bulk by sthen
ok jsing

2 files changed, 15 insertions, 14 deletions

diff --git a/lib/libcrypto/x509/x509.h b/lib/libcrypto/x509/x509.h
index e99e8e0238f..e77d090d963 100644
--- a/lib/libcrypto/x509/x509.h
+++ b/lib/libcrypto/x509/x509.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509.h,v 1.64 2018/05/18 19:24:08 tb Exp $ */
+/* $OpenBSD: x509.h,v 1.65 2018/05/18 19:28:27 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1140,14 +1140,15 @@ X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc);
 STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
 					 X509_EXTENSION *ex, int loc);
 
-int		X509_get_ext_count(X509 *x);
-int		X509_get_ext_by_NID(X509 *x, int nid, int lastpos);
-int		X509_get_ext_by_OBJ(X509 *x,ASN1_OBJECT *obj,int lastpos);
-int		X509_get_ext_by_critical(X509 *x, int crit, int lastpos);
-X509_EXTENSION *X509_get_ext(X509 *x, int loc);
+int		X509_get_ext_count(const X509 *x);
+int		X509_get_ext_by_NID(const X509 *x, int nid, int lastpos);
+int		X509_get_ext_by_OBJ(const X509 *x, const ASN1_OBJECT *obj,
+		    int lastpos);
+int		X509_get_ext_by_critical(const X509 *x, int crit, int lastpos);
+X509_EXTENSION *X509_get_ext(const X509 *x, int loc);
 X509_EXTENSION *X509_delete_ext(X509 *x, int loc);
 int		X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc);
-void	*	X509_get_ext_d2i(X509 *x, int nid, int *crit, int *idx);
+void	*	X509_get_ext_d2i(const X509 *x, int nid, int *crit, int *idx);
 int		X509_add1_ext_i2d(X509 *x, int nid, void *value, int crit,
 							unsigned long flags);
 
diff --git a/lib/libcrypto/x509/x509_ext.c b/lib/libcrypto/x509/x509_ext.c
index 2903f2b7a1a..21374a26e20 100644
--- a/lib/libcrypto/x509/x509_ext.c
+++ b/lib/libcrypto/x509/x509_ext.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509_ext.c,v 1.11 2018/05/18 18:37:23 tb Exp $ */
+/* $OpenBSD: x509_ext.c,v 1.12 2018/05/18 19:28:27 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -121,32 +121,32 @@ X509_CRL_add_ext(X509_CRL *x, X509_EXTENSION *ex, int loc)
 }
 
 int
-X509_get_ext_count(X509 *x)
+X509_get_ext_count(const X509 *x)
 {
 	return (X509v3_get_ext_count(x->cert_info->extensions));
 }
 
 int
-X509_get_ext_by_NID(X509 *x, int nid, int lastpos)
+X509_get_ext_by_NID(const X509 *x, int nid, int lastpos)
 {
 	return (X509v3_get_ext_by_NID(x->cert_info->extensions, nid, lastpos));
 }
 
 int
-X509_get_ext_by_OBJ(X509 *x, ASN1_OBJECT *obj, int lastpos)
+X509_get_ext_by_OBJ(const X509 *x, const ASN1_OBJECT *obj, int lastpos)
 {
 	return (X509v3_get_ext_by_OBJ(x->cert_info->extensions, obj, lastpos));
 }
 
 int
-X509_get_ext_by_critical(X509 *x, int crit, int lastpos)
+X509_get_ext_by_critical(const X509 *x, int crit, int lastpos)
 {
 	return (X509v3_get_ext_by_critical(x->cert_info->extensions, crit,
 	    lastpos));
 }
 
 X509_EXTENSION *
-X509_get_ext(X509 *x, int loc)
+X509_get_ext(const X509 *x, int loc)
 {
 	return (X509v3_get_ext(x->cert_info->extensions, loc));
 }
@@ -164,7 +164,7 @@ X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc)
 }
 
 void *
-X509_get_ext_d2i(X509 *x, int nid, int *crit, int *idx)
+X509_get_ext_d2i(const X509 *x, int nid, int *crit, int *idx)
 {
 	return X509V3_get_d2i(x->cert_info->extensions, nid, crit, idx);
 }