-/* crypto/asn1/a_dup.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2021 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 Apache License 2.0 (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 <openssl/asn1.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
#ifndef NO_OLD_ASN1
-void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, char *x)
- {
- unsigned char *b,*p;
- const unsigned char *p2;
- int i;
- char *ret;
-
- if (x == NULL) return(NULL);
-
- i=i2d(x,NULL);
- b=OPENSSL_malloc(i+10);
- if (b == NULL)
- { ASN1err(ASN1_F_ASN1_DUP,ERR_R_MALLOC_FAILURE); return(NULL); }
- p= b;
- i=i2d(x,&p);
- p2= b;
- ret=d2i(NULL,&p2,i);
- OPENSSL_free(b);
- return(ret);
- }
+void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, const void *x)
+{
+ unsigned char *b, *p;
+ const unsigned char *p2;
+ int i;
+ char *ret;
+
+ if (x == NULL)
+ return NULL;
+
+ i = i2d(x, NULL);
+ if (i <= 0)
+ return NULL;
+
+ b = OPENSSL_malloc(i + 10);
+ if (b == NULL)
+ return NULL;
+ p = b;
+ i = i2d(x, &p);
+ p2 = b;
+ ret = d2i(NULL, &p2, i);
+ OPENSSL_free(b);
+ return ret;
+}
#endif
-/* ASN1_ITEM version of dup: this follows the model above except we don't need
- * to allocate the buffer. At some point this could be rewritten to directly dup
- * the underlying structure instead of doing and encode and decode.
+/*
+ * ASN1_ITEM version of dup: this follows the model above except we don't
+ * need to allocate the buffer. At some point this could be rewritten to
+ * directly dup the underlying structure instead of doing and encode and
+ * decode.
*/
-void *ASN1_item_dup(const ASN1_ITEM *it, void *x)
- {
- unsigned char *b = NULL;
- const unsigned char *p;
- long i;
- void *ret;
-
- if (x == NULL) return(NULL);
-
- i=ASN1_item_i2d(x,&b,it);
- if (b == NULL)
- { ASN1err(ASN1_F_ASN1_DUP,ERR_R_MALLOC_FAILURE); return(NULL); }
- p= b;
- ret=ASN1_item_d2i(NULL,&p,i, it);
- OPENSSL_free(b);
- return(ret);
- }
+void *ASN1_item_dup(const ASN1_ITEM *it, const void *x)
+{
+ ASN1_aux_cb *asn1_cb = NULL;
+ unsigned char *b = NULL;
+ const unsigned char *p;
+ long i;
+ ASN1_VALUE *ret;
+ OSSL_LIB_CTX *libctx = NULL;
+ const char *propq = NULL;
+
+ if (x == NULL)
+ return NULL;
+
+ if (it->itype == ASN1_ITYPE_SEQUENCE || it->itype == ASN1_ITYPE_CHOICE
+ || it->itype == ASN1_ITYPE_NDEF_SEQUENCE) {
+ const ASN1_AUX *aux = it->funcs;
+
+ asn1_cb = aux != NULL ? aux->asn1_cb : NULL;
+ }
+
+ if (asn1_cb != NULL) {
+ if (!asn1_cb(ASN1_OP_DUP_PRE, (ASN1_VALUE **)&x, it, NULL)
+ || !asn1_cb(ASN1_OP_GET0_LIBCTX, (ASN1_VALUE **)&x, it, &libctx)
+ || !asn1_cb(ASN1_OP_GET0_PROPQ, (ASN1_VALUE **)&x, it, &propq))
+ goto auxerr;
+ }
+
+ i = ASN1_item_i2d(x, &b, it);
+ if (b == NULL) {
+ ERR_raise(ERR_LIB_ASN1, ERR_R_ASN1_LIB);
+ return NULL;
+ }
+ p = b;
+ ret = ASN1_item_d2i_ex(NULL, &p, i, it, libctx, propq);
+ OPENSSL_free(b);
+
+ if (asn1_cb != NULL
+ && !asn1_cb(ASN1_OP_DUP_POST, &ret, it, (void *)x))
+ goto auxerr;
+
+ return ret;
+
+ auxerr:
+ ERR_raise_data(ERR_LIB_ASN1, ASN1_R_AUX_ERROR, "Type=%s", it->sname);
+ return NULL;
+}
projects / openssl.git / blobdiff