[thirdparty/openssl.git] / 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/asn1_mac.h>
#include <openssl/x509.h>

/* sequence */
int i2d_X509_ATTRIBUTE(X509_ATTRIBUTE *a, unsigned char **pp)
	{
	int k=0;
	int r=0,ret=0;
	unsigned char **p=NULL;

	if (a == NULL) return(0);

	p=NULL;
	for (;;)
		{
		if (k)
			{
			r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
			if (pp == NULL) return(r);
			p=pp;
			ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
				V_ASN1_UNIVERSAL);
			}

		ret+=i2d_ASN1_OBJECT(a->object,p);
		if (a->set)
			ret+=i2d_ASN1_SET_OF_ASN1_TYPE(a->value.set,p,i2d_ASN1_TYPE,
				V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
		else
			ret+=i2d_ASN1_TYPE(a->value.single,p);
		if (k++) return(r);
		}
	}

X509_ATTRIBUTE *d2i_X509_ATTRIBUTE(X509_ATTRIBUTE **a, unsigned char **pp,
	     long length)
	{
	M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new);

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);

	if ((c.slen != 0) &&
		(M_ASN1_next == (V_ASN1_CONSTRUCTED|V_ASN1_UNIVERSAL|V_ASN1_SET)))
		{
		ret->set=1;
		M_ASN1_D2I_get_set_type(ASN1_TYPE,ret->value.set,d2i_ASN1_TYPE,
					ASN1_TYPE_free);
		}
	else
		{
		ret->set=0;
		M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE);
		}

	M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_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->set=1;
	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);
	}

X509_ATTRIBUTE *X509_ATTRIBUTE_new(void)
	{
	X509_ATTRIBUTE *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,X509_ATTRIBUTE);
	ret->object=OBJ_nid2obj(NID_undef);
	ret->set=0;
	ret->value.ptr=NULL;
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW);
	}
	
void X509_ATTRIBUTE_free(X509_ATTRIBUTE *a)
	{
	if (a == NULL) return;
	ASN1_OBJECT_free(a->object);
	if (a->set)
		sk_ASN1_TYPE_pop_free(a->value.set,ASN1_TYPE_free);
	else
		ASN1_TYPE_free(a->value.single);
	OPENSSL_free(a);
	}
Commit	Line	Data
d02b48c6	1	/* crypto/asn1/x_attrib.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include "cryptlib.h"
ec577822 BM	61	#include <openssl/objects.h>
ec577822 BM	62	#include <openssl/asn1_mac.h>
f0e8ae72	63	#include <openssl/x509.h>
d02b48c6	64
d02b48c6	65	/* sequence */
6b691a5c	66	int i2d_X509_ATTRIBUTE(X509_ATTRIBUTE a, unsigned char *pp)
d02b48c6 RE	67	{
	68	int k=0;
	69	int r=0,ret=0;
	70	unsigned char **p=NULL;
	71
	72	if (a == NULL) return(0);
	73
	74	p=NULL;
	75	for (;;)
	76	{
	77	if (k)
	78	{
	79	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
	80	if (pp == NULL) return(r);
	81	p=pp;
	82	ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE,
	83	V_ASN1_UNIVERSAL);
	84	}
	85
	86	ret+=i2d_ASN1_OBJECT(a->object,p);
	87	if (a->set)
d35ea5b0	88	ret+=i2d_ASN1_SET_OF_ASN1_TYPE(a->value.set,p,i2d_ASN1_TYPE,
4098e89c	89	V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
d02b48c6 RE	90	else
	91	ret+=i2d_ASN1_TYPE(a->value.single,p);
	92	if (k++) return(r);
	93	}
	94	}
	95
6b691a5c UM	96	X509_ATTRIBUTE d2i_X509_ATTRIBUTE(X509_ATTRIBUTE a, unsigned char *pp,
6b691a5c UM	97	long length)
d02b48c6 RE	98	{
	99	M_ASN1_D2I_vars(a,X509_ATTRIBUTE *,X509_ATTRIBUTE_new);
	100
	101	M_ASN1_D2I_Init();
	102	M_ASN1_D2I_start_sequence();
	103	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
	104
	105	if ((c.slen != 0) &&
	106	(M_ASN1_next == (V_ASN1_CONSTRUCTED\|V_ASN1_UNIVERSAL\|V_ASN1_SET)))
	107	{
	108	ret->set=1;
d35ea5b0 BL	109	M_ASN1_D2I_get_set_type(ASN1_TYPE,ret->value.set,d2i_ASN1_TYPE,
d35ea5b0 BL	110	ASN1_TYPE_free);
d02b48c6 RE	111	}
	112	else
	113	{
	114	ret->set=0;
	115	M_ASN1_D2I_get(ret->value.single,d2i_ASN1_TYPE);
	116	}
	117
	118	M_ASN1_D2I_Finish(a,X509_ATTRIBUTE_free,ASN1_F_D2I_X509_ATTRIBUTE);
	119	}
	120
c8b41850	121	X509_ATTRIBUTE X509_ATTRIBUTE_create(int nid, int atrtype, void value)
dfeab068 RE	122	{
	123	X509_ATTRIBUTE *ret=NULL;
	124	ASN1_TYPE *val=NULL;
	125
	126	if ((ret=X509_ATTRIBUTE_new()) == NULL)
	127	return(NULL);
	128	ret->object=OBJ_nid2obj(nid);
	129	ret->set=1;
d35ea5b0	130	if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err;
dfeab068	131	if ((val=ASN1_TYPE_new()) == NULL) goto err;
d35ea5b0	132	if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err;
dfeab068 RE	133
	134	ASN1_TYPE_set(val,atrtype,value);
	135	return(ret);
	136	err:
	137	if (ret != NULL) X509_ATTRIBUTE_free(ret);
	138	if (val != NULL) ASN1_TYPE_free(val);
	139	return(NULL);
	140	}
	141
6b691a5c	142	X509_ATTRIBUTE *X509_ATTRIBUTE_new(void)
d02b48c6 RE	143	{
d02b48c6 RE	144	X509_ATTRIBUTE *ret=NULL;
dfeab068	145	ASN1_CTX c;
d02b48c6 RE	146
d02b48c6 RE	147	M_ASN1_New_Malloc(ret,X509_ATTRIBUTE);
dfeab068	148	ret->object=OBJ_nid2obj(NID_undef);
d02b48c6 RE	149	ret->set=0;
	150	ret->value.ptr=NULL;
	151	return(ret);
	152	M_ASN1_New_Error(ASN1_F_X509_ATTRIBUTE_NEW);
	153	}
	154
6b691a5c	155	void X509_ATTRIBUTE_free(X509_ATTRIBUTE *a)
d02b48c6 RE	156	{
	157	if (a == NULL) return;
	158	ASN1_OBJECT_free(a->object);
	159	if (a->set)
d35ea5b0	160	sk_ASN1_TYPE_pop_free(a->value.set,ASN1_TYPE_free);
d02b48c6 RE	161	else
d02b48c6 RE	162	ASN1_TYPE_free(a->value.single);
26a3a48d	163	OPENSSL_free(a);
d02b48c6 RE	164	}
d02b48c6 RE	165