[thirdparty/openssl.git] / crypto / asn1 / x_name.c

/* crypto/asn1/x_name.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>

static int i2d_X509_NAME_entries(X509_NAME *a);
int i2d_X509_NAME_ENTRY(X509_NAME_ENTRY *a, unsigned char **pp)
	{
	M_ASN1_I2D_vars(a);

	M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
	M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);

	M_ASN1_I2D_seq_total();

	M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
	M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);

	M_ASN1_I2D_finish();
	}

X509_NAME_ENTRY *d2i_X509_NAME_ENTRY(X509_NAME_ENTRY **a, unsigned char **pp,
	     long length)
	{
	M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
	M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
	ret->set=0;
	M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
	}

int i2d_X509_NAME(X509_NAME *a, unsigned char **pp)
	{
	int ret;

	if (a == NULL) return(0);
	if (a->modified)
		{
		ret=i2d_X509_NAME_entries(a);
		if (ret < 0) return(ret);
		}

	ret=a->bytes->length;
	if (pp != NULL)
		{
		memcpy(*pp,a->bytes->data,ret);
		*pp+=ret;
		}
	return(ret);
	}

static int i2d_X509_NAME_entries(X509_NAME *a)
	{
	X509_NAME_ENTRY *ne,*fe=NULL;
	STACK_OF(X509_NAME_ENTRY) *sk;
	BUF_MEM *buf=NULL;
	int set=0,r,ret=0;
	int i;
	unsigned char *p;
	int size=0;

	sk=a->entries;
	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
		{
		ne=sk_X509_NAME_ENTRY_value(sk,i);
		if (fe == NULL)
			{
			fe=ne;
			size=0;
			}

		if (ne->set != set)
			{
			ret+=ASN1_object_size(1,size,V_ASN1_SET);
			fe->size=size;
			fe=ne;
			size=0;
			set=ne->set;
			}
		size+=i2d_X509_NAME_ENTRY(ne,NULL);
		}

	ret+=ASN1_object_size(1,size,V_ASN1_SET);
	if (fe != NULL)
		fe->size=size;

	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);

	buf=a->bytes;
	if (!BUF_MEM_grow(buf,r)) goto err;
	p=(unsigned char *)buf->data;

	ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

	set= -1;
	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
		{
		ne=sk_X509_NAME_ENTRY_value(sk,i);
		if (set != ne->set)
			{
			set=ne->set;
			ASN1_put_object(&p,1,ne->size,
				V_ASN1_SET,V_ASN1_UNIVERSAL);
			}
		i2d_X509_NAME_ENTRY(ne,&p);
		}
	a->modified=0;
	return(r);
err:
	return(-1);
	}

X509_NAME *d2i_X509_NAME(X509_NAME **a, unsigned char **pp, long length)
	{
	int set=0,i;
	int idx=0;
	unsigned char *orig;
	M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);

	orig= *pp;
	if (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
		{
		while (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
			X509_NAME_ENTRY_free(
				       sk_X509_NAME_ENTRY_pop(ret->entries));
		}

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	for (;;)
		{
		if (M_ASN1_D2I_end_sequence()) break;
		M_ASN1_D2I_get_set_type(X509_NAME_ENTRY,ret->entries,
					d2i_X509_NAME_ENTRY,
					X509_NAME_ENTRY_free);
		for (; idx < sk_X509_NAME_ENTRY_num(ret->entries); idx++)
			{
			sk_X509_NAME_ENTRY_value(ret->entries,idx)->set=set;
			}
		set++;
		}

	i=(int)(c.p-orig);
	if (!BUF_MEM_grow(ret->bytes,i)) goto err;
	memcpy(ret->bytes->data,orig,i);
	ret->bytes->length=i;
	ret->modified=0;

	M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
	}

X509_NAME *X509_NAME_new(void)
	{
	X509_NAME *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,X509_NAME);
	if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
		{ c.line=__LINE__; goto err2; }
	M_ASN1_New(ret->bytes,BUF_MEM_new);
	ret->modified=1;
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
	}

X509_NAME_ENTRY *X509_NAME_ENTRY_new(void)
	{
	X509_NAME_ENTRY *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
/*	M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
	ret->object=NULL;
	ret->set=0;
	M_ASN1_New(ret->value,ASN1_STRING_new);
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
	}

void X509_NAME_free(X509_NAME *a)
	{
	if(a == NULL)
	    return;

	BUF_MEM_free(a->bytes);
	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
	OPENSSL_free(a);
	}

void X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
	{
	if (a == NULL) return;
	ASN1_OBJECT_free(a->object);
	M_ASN1_BIT_STRING_free(a->value);
	OPENSSL_free(a);
	}

int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
	{
	X509_NAME *in;

	if (*xn == NULL) return(0);

	if (*xn != name)
		{
		in=X509_NAME_dup(name);
		if (in != NULL)
			{
			X509_NAME_free(*xn);
			*xn=in;
			}
		}
	return(*xn != NULL);
	}
	
IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)
Commit	Line	Data
d02b48c6	1	/* crypto/asn1/x_name.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	static int i2d_X509_NAME_entries(X509_NAME *a);
6b691a5c	66	int i2d_X509_NAME_ENTRY(X509_NAME_ENTRY a, unsigned char *pp)
d02b48c6 RE	67	{
	68	M_ASN1_I2D_vars(a);
	69
	70	M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
	71	M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);
	72
	73	M_ASN1_I2D_seq_total();
	74
	75	M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
	76	M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);
	77
	78	M_ASN1_I2D_finish();
	79	}
	80
6b691a5c UM	81	X509_NAME_ENTRY d2i_X509_NAME_ENTRY(X509_NAME_ENTRY a, unsigned char *pp,
6b691a5c UM	82	long length)
d02b48c6 RE	83	{
	84	M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);
	85
	86	M_ASN1_D2I_Init();
	87	M_ASN1_D2I_start_sequence();
	88	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
	89	M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
	90	ret->set=0;
	91	M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
	92	}
	93
6b691a5c	94	int i2d_X509_NAME(X509_NAME a, unsigned char *pp)
d02b48c6 RE	95	{
	96	int ret;
	97
	98	if (a == NULL) return(0);
	99	if (a->modified)
	100	{
	101	ret=i2d_X509_NAME_entries(a);
	102	if (ret < 0) return(ret);
	103	}
	104
	105	ret=a->bytes->length;
	106	if (pp != NULL)
	107	{
	108	memcpy(*pp,a->bytes->data,ret);
	109	*pp+=ret;
	110	}
	111	return(ret);
	112	}
	113
6b691a5c	114	static int i2d_X509_NAME_entries(X509_NAME *a)
d02b48c6 RE	115	{
d02b48c6 RE	116	X509_NAME_ENTRY ne,fe=NULL;
65d4927b	117	STACK_OF(X509_NAME_ENTRY) *sk;
d02b48c6 RE	118	BUF_MEM *buf=NULL;
	119	int set=0,r,ret=0;
	120	int i;
	121	unsigned char *p;
	122	int size=0;
	123
	124	sk=a->entries;
65d4927b	125	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
d02b48c6	126	{
65d4927b	127	ne=sk_X509_NAME_ENTRY_value(sk,i);
d02b48c6 RE	128	if (fe == NULL)
	129	{
	130	fe=ne;
	131	size=0;
	132	}
	133
	134	if (ne->set != set)
	135	{
	136	ret+=ASN1_object_size(1,size,V_ASN1_SET);
	137	fe->size=size;
	138	fe=ne;
	139	size=0;
	140	set=ne->set;
	141	}
	142	size+=i2d_X509_NAME_ENTRY(ne,NULL);
	143	}
	144
	145	ret+=ASN1_object_size(1,size,V_ASN1_SET);
	146	if (fe != NULL)
	147	fe->size=size;
	148
	149	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
	150
	151	buf=a->bytes;
	152	if (!BUF_MEM_grow(buf,r)) goto err;
	153	p=(unsigned char *)buf->data;
	154
	155	ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
	156
	157	set= -1;
65d4927b	158	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
d02b48c6	159	{
65d4927b	160	ne=sk_X509_NAME_ENTRY_value(sk,i);
d02b48c6 RE	161	if (set != ne->set)
	162	{
	163	set=ne->set;
	164	ASN1_put_object(&p,1,ne->size,
	165	V_ASN1_SET,V_ASN1_UNIVERSAL);
	166	}
	167	i2d_X509_NAME_ENTRY(ne,&p);
	168	}
	169	a->modified=0;
	170	return(r);
	171	err:
	172	return(-1);
	173	}
	174
6b691a5c	175	X509_NAME d2i_X509_NAME(X509_NAME a, unsigned char *pp, long length)
d02b48c6 RE	176	{
	177	int set=0,i;
	178	int idx=0;
	179	unsigned char *orig;
	180	M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);
	181
	182	orig= *pp;
65d4927b	183	if (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
d02b48c6	184	{
65d4927b BL	185	while (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
	186	X509_NAME_ENTRY_free(
	187	sk_X509_NAME_ENTRY_pop(ret->entries));
d02b48c6 RE	188	}
	189
	190	M_ASN1_D2I_Init();
	191	M_ASN1_D2I_start_sequence();
	192	for (;;)
	193	{
	194	if (M_ASN1_D2I_end_sequence()) break;
65d4927b BL	195	M_ASN1_D2I_get_set_type(X509_NAME_ENTRY,ret->entries,
	196	d2i_X509_NAME_ENTRY,
	197	X509_NAME_ENTRY_free);
	198	for (; idx < sk_X509_NAME_ENTRY_num(ret->entries); idx++)
d02b48c6	199	{
65d4927b	200	sk_X509_NAME_ENTRY_value(ret->entries,idx)->set=set;
d02b48c6 RE	201	}
	202	set++;
	203	}
	204
	205	i=(int)(c.p-orig);
	206	if (!BUF_MEM_grow(ret->bytes,i)) goto err;
	207	memcpy(ret->bytes->data,orig,i);
	208	ret->bytes->length=i;
	209	ret->modified=0;
	210
	211	M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
	212	}
	213
6b691a5c	214	X509_NAME *X509_NAME_new(void)
d02b48c6 RE	215	{
d02b48c6 RE	216	X509_NAME *ret=NULL;
dfeab068	217	ASN1_CTX c;
d02b48c6 RE	218
d02b48c6 RE	219	M_ASN1_New_Malloc(ret,X509_NAME);
a4e31088	220	if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
dfeab068	221	{ c.line=__LINE__; goto err2; }
d02b48c6 RE	222	M_ASN1_New(ret->bytes,BUF_MEM_new);
	223	ret->modified=1;
	224	return(ret);
	225	M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
	226	}
	227
6b691a5c	228	X509_NAME_ENTRY *X509_NAME_ENTRY_new(void)
d02b48c6 RE	229	{
d02b48c6 RE	230	X509_NAME_ENTRY *ret=NULL;
dfeab068	231	ASN1_CTX c;
d02b48c6 RE	232
	233	M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
	234	/* M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
	235	ret->object=NULL;
	236	ret->set=0;
	237	M_ASN1_New(ret->value,ASN1_STRING_new);
	238	return(ret);
	239	M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
	240	}
	241
6b691a5c	242	void X509_NAME_free(X509_NAME *a)
d02b48c6	243	{
e03ddfae BL	244	if(a == NULL)
	245	return;
	246
d02b48c6	247	BUF_MEM_free(a->bytes);
65d4927b	248	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
26a3a48d	249	OPENSSL_free(a);
d02b48c6 RE	250	}
d02b48c6 RE	251
6b691a5c	252	void X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
d02b48c6 RE	253	{
	254	if (a == NULL) return;
	255	ASN1_OBJECT_free(a->object);
08e9c1af	256	M_ASN1_BIT_STRING_free(a->value);
26a3a48d	257	OPENSSL_free(a);
d02b48c6 RE	258	}
d02b48c6 RE	259
6b691a5c	260	int X509_NAME_set(X509_NAME *xn, X509_NAME name)
d02b48c6 RE	261	{
	262	X509_NAME *in;
	263
	264	if (*xn == NULL) return(0);
	265
	266	if (*xn != name)
	267	{
	268	in=X509_NAME_dup(name);
	269	if (in != NULL)
	270	{
	271	X509_NAME_free(*xn);
	272	*xn=in;
	273	}
	274	}
	275	return(*xn != NULL);
	276	}
	277
65d4927b BL	278	IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
65d4927b BL	279	IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)