ref: e14d6249749a1101abdad7998e1cd5cdc49e137a
dir: /sys/src/ape/lib/openssl/crypto/asn1/x_attrib.c/
/* crypto/asn1/x_attrib.c */
/* 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 <stdio.h>
#include "cryptlib.h"
#include <openssl/objects.h>
#include <openssl/asn1t.h>
#include <openssl/x509.h>
/* X509_ATTRIBUTE: this has the following form:
*
* typedef struct x509_attributes_st
* {
* ASN1_OBJECT *object;
* int single;
* union {
* char *ptr;
* STACK_OF(ASN1_TYPE) *set;
* ASN1_TYPE *single;
* } value;
* } X509_ATTRIBUTE;
*
* this needs some extra thought because the CHOICE type is
* merged with the main structure and because the value can
* be anything at all we *must* try the SET OF first because
* the ASN1_ANY type will swallow anything including the whole
* SET OF structure.
*/
ASN1_CHOICE(X509_ATTRIBUTE_SET) = {
ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY),
ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY)
} ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single)
ASN1_SEQUENCE(X509_ATTRIBUTE) = {
ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
/* CHOICE type merged with parent */
ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET)
} ASN1_SEQUENCE_END(X509_ATTRIBUTE)
IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
{
X509_ATTRIBUTE *ret=NULL;
ASN1_TYPE *val=NULL;
if ((ret=X509_ATTRIBUTE_new()) == NULL)
return(NULL);
ret->object=OBJ_nid2obj(nid);
ret->single=0;
if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err;
if ((val=ASN1_TYPE_new()) == NULL) goto err;
if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err;
ASN1_TYPE_set(val,atrtype,value);
return(ret);
err:
if (ret != NULL) X509_ATTRIBUTE_free(ret);
if (val != NULL) ASN1_TYPE_free(val);
return(NULL);
}