124 lines
5 KiB
C
124 lines
5 KiB
C
/* crypto/asn1/x_attrib.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/objects.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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/*-
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* X509_ATTRIBUTE: this has the following form:
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*
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* typedef struct x509_attributes_st
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* {
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* ASN1_OBJECT *object;
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* int single;
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* union {
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* char *ptr;
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* STACK_OF(ASN1_TYPE) *set;
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* ASN1_TYPE *single;
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* } value;
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* } X509_ATTRIBUTE;
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*
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* this needs some extra thought because the CHOICE type is
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* merged with the main structure and because the value can
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* be anything at all we *must* try the SET OF first because
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* the ASN1_ANY type will swallow anything including the whole
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* SET OF structure.
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*/
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ASN1_CHOICE(X509_ATTRIBUTE_SET) = {
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ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY),
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ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY)
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} ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single)
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ASN1_SEQUENCE(X509_ATTRIBUTE) = {
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ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
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/* CHOICE type merged with parent */
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ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET)
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} ASN1_SEQUENCE_END(X509_ATTRIBUTE)
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IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
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IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
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X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
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{
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X509_ATTRIBUTE *ret = NULL;
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ASN1_TYPE *val = NULL;
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if ((ret = X509_ATTRIBUTE_new()) == NULL)
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return (NULL);
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ret->object = OBJ_nid2obj(nid);
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ret->single = 0;
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if ((ret->value.set = sk_ASN1_TYPE_new_null()) == NULL)
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goto err;
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if ((val = ASN1_TYPE_new()) == NULL)
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goto err;
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if (!sk_ASN1_TYPE_push(ret->value.set, val))
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goto err;
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ASN1_TYPE_set(val, atrtype, value);
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return (ret);
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err:
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if (ret != NULL)
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X509_ATTRIBUTE_free(ret);
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if (val != NULL)
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ASN1_TYPE_free(val);
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return (NULL);
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}
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