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- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * 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.] */
-
- #include <openssl/asn1.h>
-
- #include <openssl/err.h>
- #include <openssl/mem.h>
-
-
- #if 0
- #ifndef NO_ASN1_OLD
-
- /* ASN1 packing and unpacking functions */
-
- /* Turn an ASN1 encoded SEQUENCE OF into a STACK of structures */
-
- STACK_OF(OPENSSL_BLOCK) *ASN1_seq_unpack(const unsigned char *buf, int len,
- d2i_of_void *d2i, void (*free_func)(OPENSSL_BLOCK))
- {
- STACK_OF(OPENSSL_BLOCK) *sk;
- const unsigned char *pbuf;
- pbuf = buf;
- if (!(sk = d2i_ASN1_SET(NULL, &pbuf, len, d2i, free_func,
- V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL)))
- OPENSSL_PUT_ERROR(ASN1, XXX, ASN1_R_DECODE_ERROR);
- return sk;
- }
-
- /* Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a
- * OPENSSL_malloc'ed buffer
- */
-
- unsigned char *ASN1_seq_pack(STACK_OF(OPENSSL_BLOCK) *safes, i2d_of_void *i2d,
- unsigned char **buf, int *len)
- {
- int safelen;
- unsigned char *safe, *p;
- if (!(safelen = i2d_ASN1_SET(safes, NULL, i2d, V_ASN1_SEQUENCE,
- V_ASN1_UNIVERSAL, IS_SEQUENCE))) {
- OPENSSL_PUT_ERROR(ASN1, XXX, ASN1_R_ENCODE_ERROR);
- return NULL;
- }
- if (!(safe = OPENSSL_malloc (safelen))) {
- OPENSSL_PUT_ERROR(ASN1, XXX, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- p = safe;
- i2d_ASN1_SET(safes, &p, i2d, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL,
- IS_SEQUENCE);
- if (len) *len = safelen;
- if (buf) *buf = safe;
- return safe;
- }
-
- /* Extract an ASN1 object from an ASN1_STRING */
-
- void *ASN1_unpack_string(ASN1_STRING *oct, d2i_of_void *d2i)
- {
- const unsigned char *p;
- char *ret;
-
- p = oct->data;
- if(!(ret = d2i(NULL, &p, oct->length)))
- OPENSSL_PUT_ERROR(ASN1, XXX, ASN1_R_DECODE_ERROR);
- return ret;
- }
-
- /* Pack an ASN1 object into an ASN1_STRING */
-
- ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct)
- {
- unsigned char *p;
- ASN1_STRING *octmp;
-
- if (!oct || !*oct) {
- if (!(octmp = ASN1_STRING_new ())) {
- OPENSSL_PUT_ERROR(ASN1, XXX, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- if (oct) *oct = octmp;
- } else octmp = *oct;
-
- if (!(octmp->length = i2d(obj, NULL))) {
- OPENSSL_PUT_ERROR(ASN1, XXX, ASN1_R_ENCODE_ERROR);
- return NULL;
- }
- if (!(p = OPENSSL_malloc (octmp->length))) {
- OPENSSL_PUT_ERROR(ASN1, XXX, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- octmp->data = p;
- i2d (obj, &p);
- return octmp;
- }
-
- #endif
- #endif
-
- /* ASN1_ITEM versions of the above */
-
- ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct)
- {
- ASN1_STRING *octmp;
-
- if (!oct || !*oct) {
- if (!(octmp = ASN1_STRING_new ())) {
- OPENSSL_PUT_ERROR(ASN1, ASN1_item_pack, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- if (oct) *oct = octmp;
- } else octmp = *oct;
-
- if(octmp->data) {
- OPENSSL_free(octmp->data);
- octmp->data = NULL;
- }
-
- if (!(octmp->length = ASN1_item_i2d(obj, &octmp->data, it))) {
- OPENSSL_PUT_ERROR(ASN1, ASN1_item_pack, ASN1_R_ENCODE_ERROR);
- return NULL;
- }
- if (!octmp->data) {
- OPENSSL_PUT_ERROR(ASN1, ASN1_item_pack, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- return octmp;
- }
-
- /* Extract an ASN1 object from an ASN1_STRING */
-
- void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it)
- {
- const unsigned char *p;
- void *ret;
-
- p = oct->data;
- if(!(ret = ASN1_item_d2i(NULL, &p, oct->length, it)))
- OPENSSL_PUT_ERROR(ASN1, ASN1_item_unpack, ASN1_R_DECODE_ERROR);
- return ret;
- }
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