-/* crypto/objects/obj_lib.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
-#include "lhash.h"
-#include "objects.h"
-#include "buffer.h"
+#include "internal/cryptlib.h"
+#include <openssl/objects.h>
+#include <openssl/buffer.h>
+#include "internal/asn1_int.h"
-ASN1_OBJECT *OBJ_dup(ASN1_OBJECT *o)
- {
- ASN1_OBJECT *r;
- int i;
- char *ln=NULL;
+ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o)
+{
+ ASN1_OBJECT *r;
- if (o == NULL) return(NULL);
- if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
- return(o);
+ if (o == NULL)
+ return NULL;
+ /* If object isn't dynamic it's an internal OID which is never freed */
+ if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC))
+ return ((ASN1_OBJECT *)o);
- r=ASN1_OBJECT_new();
- if (r == NULL)
- {
- OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB);
- return(NULL);
- }
- r->data=Malloc(o->length);
- if (r->data == NULL)
- goto err;
- memcpy(r->data,o->data,o->length);
- r->length=o->length;
- r->nid=o->nid;
- r->ln=r->sn=NULL;
- if (o->ln != NULL)
- {
- i=strlen(o->ln)+1;
- r->ln=ln=Malloc(i);
- if (r->ln == NULL) goto err;
- memcpy(ln,o->ln,i);
- }
+ r = ASN1_OBJECT_new();
+ if (r == NULL) {
+ OBJerr(OBJ_F_OBJ_DUP, ERR_R_ASN1_LIB);
+ return (NULL);
+ }
- if (o->sn != NULL)
- {
- char *s;
+ /* Set dynamic flags so everything gets freed up on error */
- i=strlen(o->sn)+1;
- r->sn=s=Malloc(i);
- if (r->sn == NULL) goto err;
- memcpy(s,o->sn,i);
- }
- r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC|
- ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA);
- return(r);
-err:
- OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE);
- if (r != NULL)
- {
- if (ln != NULL) Free(ln);
- if (r->data != NULL) Free(r->data);
- Free(r);
- }
- return(NULL);
- }
+ r->flags = o->flags | (ASN1_OBJECT_FLAG_DYNAMIC |
+ ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
+ ASN1_OBJECT_FLAG_DYNAMIC_DATA);
-int OBJ_cmp(ASN1_OBJECT *a, ASN1_OBJECT *b)
- {
- int ret;
+ if (o->length > 0 && (r->data = OPENSSL_memdup(o->data, o->length)) == NULL)
+ goto err;
- ret=(a->length-b->length);
- if (ret) return(ret);
- return(memcmp(a->data,b->data,a->length));
- }
+ r->length = o->length;
+ r->nid = o->nid;
+
+ if (o->ln != NULL && (r->ln = OPENSSL_strdup(o->ln)) == NULL)
+ goto err;
+
+ if (o->sn != NULL && (r->sn = OPENSSL_strdup(o->sn)) == NULL)
+ goto err;
+
+ return r;
+ err:
+ ASN1_OBJECT_free(r);
+ OBJerr(OBJ_F_OBJ_DUP, ERR_R_MALLOC_FAILURE);
+ return NULL;
+}
+
+int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b)
+{
+ int ret;
+
+ ret = (a->length - b->length);
+ if (ret)
+ return (ret);
+ return (memcmp(a->data, b->data, a->length));
+}