make ASN1_OBJECT opaque

Reviewed-by: Matt Caswell <matt@openssl.org>

3 files changed, 19 insertions, 0 deletions

diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c
index e7366af8dc..5c861d1ec2 100644
--- a/crypto/objects/obj_dat.c
+++ b/crypto/objects/obj_dat.c
@@ -64,6 +64,7 @@
 #include <openssl/asn1.h>
 #include <openssl/objects.h>
 #include <openssl/bn.h>
+#include "internal/asn1_int.h"
 
 /* obj_dat.h is generated from objects.h by obj_dat.pl */
 #include "obj_dat.h"
@@ -781,3 +782,17 @@ int OBJ_create(const char *oid, const char *sn, const char *ln)
     OPENSSL_free(buf);
     return (ok);
 }
+
+size_t OBJ_length(const ASN1_OBJECT *obj)
+{
+    if (obj == NULL)
+        return 0;
+    return obj->length;
+}
+
+const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)
+{
+    if (obj == NULL)
+        return NULL;
+    return obj->data;
+}
diff --git a/crypto/objects/obj_lib.c b/crypto/objects/obj_lib.c
index 8851baffb2..0bcb5df506 100644
--- a/crypto/objects/obj_lib.c
+++ b/crypto/objects/obj_lib.c
@@ -61,6 +61,7 @@
 #include <openssl/lhash.h>
 #include <openssl/objects.h>
 #include <openssl/buffer.h>
+#include "internal/asn1_int.h"
 
 ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
 {
diff --git a/crypto/objects/objects.h b/crypto/objects/objects.h
index b8dafa89ce..165817fb1a 100644
--- a/crypto/objects/objects.h
+++ b/crypto/objects/objects.h
@@ -1107,6 +1107,9 @@ int OBJ_create(const char *oid, const char *sn, const char *ln);
 void OBJ_cleanup(void);
 int OBJ_create_objects(BIO *in);
 
+size_t OBJ_length(const ASN1_OBJECT *obj);
+const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj);
+
 int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid);
 int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid);
 int OBJ_add_sigid(int signid, int dig_id, int pkey_id);