crypto/x509/x509name.c - third_party/openssl - Git at Google

 /* crypto/x509/x509name.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 <openssl/stack.h>
 #include "cryptlib.h"
 #include <openssl/asn1.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
 #include <openssl/x509.h>

 int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
 	{
 	ASN1_OBJECT *obj;

 	obj=OBJ_nid2obj(nid);
 	if (obj == NULL) return(-1);
 	return(X509_NAME_get_text_by_OBJ(name,obj,buf,len));
 	}

 int X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf,
 	     int len)
 	{
 	int i;
 	ASN1_STRING *data;

 	i=X509_NAME_get_index_by_OBJ(name,obj,-1);
 	if (i < 0) return(-1);
 	data=X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i));
 	i=(data->length > (len-1))?(len-1):data->length;
 	if (buf == NULL) return(data->length);
 	memcpy(buf,data->data,i);
 	buf[i]='\0';
 	return(i);
 	}

 int X509_NAME_entry_count(X509_NAME *name)
 	{
 	if (name == NULL) return(0);
 	return(sk_X509_NAME_ENTRY_num(name->entries));
 	}

 int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
 	{
 	ASN1_OBJECT *obj;

 	obj=OBJ_nid2obj(nid);
 	if (obj == NULL) return(-2);
 	return(X509_NAME_get_index_by_OBJ(name,obj,lastpos));
 	}

 /* NOTE: you should be passsing -1, not 0 as lastpos */
 int X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj,
 	     int lastpos)
 	{
 	int n;
 	X509_NAME_ENTRY *ne;
 	STACK_OF(X509_NAME_ENTRY) *sk;

 	if (name == NULL) return(-1);
 	if (lastpos < 0)
 		lastpos= -1;
 	sk=name->entries;
 	n=sk_X509_NAME_ENTRY_num(sk);
 	for (lastpos++; lastpos < n; lastpos++)
 		{
 		ne=sk_X509_NAME_ENTRY_value(sk,lastpos);
 		if (OBJ_cmp(ne->object,obj) == 0)
 			return(lastpos);
 		}
 	return(-1);
 	}

 X509_NAME_ENTRY *X509_NAME_get_entry(X509_NAME *name, int loc)
 	{
 	if(name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
 	   || loc < 0)
 		return(NULL);
 	else
 		return(sk_X509_NAME_ENTRY_value(name->entries,loc));
 	}

 X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc)
 	{
 	X509_NAME_ENTRY *ret;
 	int i,n,set_prev,set_next;
 	STACK_OF(X509_NAME_ENTRY) *sk;

 	if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
 	    || loc < 0)
 		return(NULL);
 	sk=name->entries;
 	ret=sk_X509_NAME_ENTRY_delete(sk,loc);
 	n=sk_X509_NAME_ENTRY_num(sk);
 	name->modified=1;
 	if (loc == n) return(ret);

 	/* else we need to fixup the set field */
 	if (loc != 0)
 		set_prev=(sk_X509_NAME_ENTRY_value(sk,loc-1))->set;
 	else
 		set_prev=ret->set-1;
 	set_next=sk_X509_NAME_ENTRY_value(sk,loc)->set;

 	/* set_prev is the previous set
 	 * set is the current set
 	 * set_next is the following
 	 * prev  1 1	1 1	1 1	1 1
 	 * set   1	1	2	2
 	 * next  1 1	2 2	2 2	3 2
 	 * so basically only if prev and next differ by 2, then
 	 * re-number down by 1 */
 	if (set_prev+1 < set_next)
 		for (i=loc; i<n; i++)
 			sk_X509_NAME_ENTRY_value(sk,i)->set--;
 	return(ret);
 	}

 int X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type,
 			unsigned char *bytes, int len, int loc, int set)
 {
 	X509_NAME_ENTRY *ne;
 	int ret;
 	ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
 	if(!ne) return 0;
 	ret = X509_NAME_add_entry(name, ne, loc, set);
 	X509_NAME_ENTRY_free(ne);
 	return ret;
 }

 int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
 			unsigned char *bytes, int len, int loc, int set)
 {
 	X509_NAME_ENTRY *ne;
 	int ret;
 	ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
 	if(!ne) return 0;
 	ret = X509_NAME_add_entry(name, ne, loc, set);
 	X509_NAME_ENTRY_free(ne);
 	return ret;
 }

 int X509_NAME_add_entry_by_txt(X509_NAME *name, char *field, int type,
 			unsigned char *bytes, int len, int loc, int set)
 {
 	X509_NAME_ENTRY *ne;
 	int ret;
 	ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
 	if(!ne) return 0;
 	ret = X509_NAME_add_entry(name, ne, loc, set);
 	X509_NAME_ENTRY_free(ne);
 	return ret;
 }

 /* if set is -1, append to previous set, 0 'a new one', and 1,
  * prepend to the guy we are about to stomp on. */
 int X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc,
 	     int set)
 	{
 	X509_NAME_ENTRY *new_name=NULL;
 	int n,i,inc;
 	STACK_OF(X509_NAME_ENTRY) *sk;

 	if (name == NULL) return(0);
 	sk=name->entries;
 	n=sk_X509_NAME_ENTRY_num(sk);
 	if (loc > n) loc=n;
 	else if (loc < 0) loc=n;

 	name->modified=1;

 	if (set == -1)
 		{
 		if (loc == 0)
 			{
 			set=0;
 			inc=1;
 			}
 		else
 			{
 			set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set;
 			inc=0;
 			}
 		}
 	else /* if (set >= 0) */
 		{
 		if (loc >= n)
 			{
 			if (loc != 0)
 				set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set+1;
 			else
 				set=0;
 			}
 		else
 			set=sk_X509_NAME_ENTRY_value(sk,loc)->set;
 		inc=(set == 0)?1:0;
 		}

 	if ((new_name=X509_NAME_ENTRY_dup(ne)) == NULL)
 		goto err;
 	new_name->set=set;
 	if (!sk_X509_NAME_ENTRY_insert(sk,new_name,loc))
 		{
 		X509err(X509_F_X509_NAME_ADD_ENTRY,ERR_R_MALLOC_FAILURE);
 		goto err;
 		}
 	if (inc)
 		{
 		n=sk_X509_NAME_ENTRY_num(sk);
 		for (i=loc+1; i<n; i++)
 			sk_X509_NAME_ENTRY_value(sk,i-1)->set+=1;
 		}
 	return(1);
 err:
 	if (new_name != NULL)
 		X509_NAME_ENTRY_free(new_name);
 	return(0);
 	}

 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
 		char *field, int type, unsigned char *bytes, int len)
 	{
 	ASN1_OBJECT *obj;
 	X509_NAME_ENTRY *nentry;

 	obj=OBJ_txt2obj(field, 0);
 	if (obj == NULL)
 		{
 		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
 						X509_R_INVALID_FIELD_NAME);
 		ERR_add_error_data(2, "name=", field);
 		return(NULL);
 		}
 	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
 	ASN1_OBJECT_free(obj);
 	return nentry;
 	}

 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
 	     int type, unsigned char *bytes, int len)
 	{
 	ASN1_OBJECT *obj;
 	X509_NAME_ENTRY *nentry;

 	obj=OBJ_nid2obj(nid);
 	if (obj == NULL)
 		{
 		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,X509_R_UNKNOWN_NID);
 		return(NULL);
 		}
 	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
 	ASN1_OBJECT_free(obj);
 	return nentry;
 	}

 X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
 	     ASN1_OBJECT *obj, int type, unsigned char *bytes, int len)
 	{
 	X509_NAME_ENTRY *ret;

 	if ((ne == NULL) || (*ne == NULL))
 		{
 		if ((ret=X509_NAME_ENTRY_new()) == NULL)
 			return(NULL);
 		}
 	else
 		ret= *ne;

 	if (!X509_NAME_ENTRY_set_object(ret,obj))
 		goto err;
 	if (!X509_NAME_ENTRY_set_data(ret,type,bytes,len))
 		goto err;

 	if ((ne != NULL) && (*ne == NULL)) *ne=ret;
 	return(ret);
 err:
 	if ((ne == NULL) || (ret != *ne))
 		X509_NAME_ENTRY_free(ret);
 	return(NULL);
 	}

 int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj)
 	{
 	if ((ne == NULL) || (obj == NULL))
 		{
 		X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,ERR_R_PASSED_NULL_PARAMETER);
 		return(0);
 		}
 	ASN1_OBJECT_free(ne->object);
 	ne->object=OBJ_dup(obj);
 	return((ne->object == NULL)?0:1);
 	}

 int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
 	     unsigned char *bytes, int len)
 	{
 	int i;

 	if ((ne == NULL) || ((bytes == NULL) && (len != 0))) return(0);
 	if((type > 0) && (type & MBSTRING_FLAG))
 		return ASN1_STRING_set_by_NID(&ne->value, bytes,
 						len, type,
 					OBJ_obj2nid(ne->object)) ? 1 : 0;
 	if (len < 0) len=strlen((char *)bytes);
 	i=ASN1_STRING_set(ne->value,bytes,len);
 	if (!i) return(0);
 	if (type != V_ASN1_UNDEF)
 		{
 		if (type == V_ASN1_APP_CHOOSE)
 			ne->value->type=ASN1_PRINTABLE_type(bytes,len);
 		else
 			ne->value->type=type;
 		}
 	return(1);
 	}

 ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
 	{
 	if (ne == NULL) return(NULL);
 	return(ne->object);
 	}

 ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)
 	{
 	if (ne == NULL) return(NULL);
 	return(ne->value);
 	}
	/* crypto/x509/x509name.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 <openssl/stack.h>
	#include "cryptlib.h"
	#include <openssl/asn1.h>
	#include <openssl/objects.h>
	#include <openssl/evp.h>
	#include <openssl/x509.h>

	int X509_NAME_get_text_by_NID(X509_NAME name, int nid, char buf, int len)
	{
	ASN1_OBJECT *obj;

	obj=OBJ_nid2obj(nid);
	if (obj == NULL) return(-1);
	return(X509_NAME_get_text_by_OBJ(name,obj,buf,len));
	}

	int X509_NAME_get_text_by_OBJ(X509_NAME name, ASN1_OBJECT obj, char *buf,
	int len)
	{
	int i;
	ASN1_STRING *data;

	i=X509_NAME_get_index_by_OBJ(name,obj,-1);
	if (i < 0) return(-1);
	data=X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i));
	i=(data->length > (len-1))?(len-1):data->length;
	if (buf == NULL) return(data->length);
	memcpy(buf,data->data,i);
	buf[i]='\0';
	return(i);
	}

	int X509_NAME_entry_count(X509_NAME *name)
	{
	if (name == NULL) return(0);
	return(sk_X509_NAME_ENTRY_num(name->entries));
	}

	int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
	{
	ASN1_OBJECT *obj;

	obj=OBJ_nid2obj(nid);
	if (obj == NULL) return(-2);
	return(X509_NAME_get_index_by_OBJ(name,obj,lastpos));
	}

	/* NOTE: you should be passsing -1, not 0 as lastpos */
	int X509_NAME_get_index_by_OBJ(X509_NAME name, ASN1_OBJECT obj,
	int lastpos)
	{
	int n;
	X509_NAME_ENTRY *ne;
	STACK_OF(X509_NAME_ENTRY) *sk;

	if (name == NULL) return(-1);
	if (lastpos < 0)
	lastpos= -1;
	sk=name->entries;
	n=sk_X509_NAME_ENTRY_num(sk);
	for (lastpos++; lastpos < n; lastpos++)
	{
	ne=sk_X509_NAME_ENTRY_value(sk,lastpos);
	if (OBJ_cmp(ne->object,obj) == 0)
	return(lastpos);
	}
	return(-1);
	}

	X509_NAME_ENTRY X509_NAME_get_entry(X509_NAME name, int loc)
	{
	if(name == NULL \|\| sk_X509_NAME_ENTRY_num(name->entries) <= loc
	\|\| loc < 0)
	return(NULL);
	else
	return(sk_X509_NAME_ENTRY_value(name->entries,loc));
	}

	X509_NAME_ENTRY X509_NAME_delete_entry(X509_NAME name, int loc)
	{
	X509_NAME_ENTRY *ret;
	int i,n,set_prev,set_next;
	STACK_OF(X509_NAME_ENTRY) *sk;

	if (name == NULL \|\| sk_X509_NAME_ENTRY_num(name->entries) <= loc
	\|\| loc < 0)
	return(NULL);
	sk=name->entries;
	ret=sk_X509_NAME_ENTRY_delete(sk,loc);
	n=sk_X509_NAME_ENTRY_num(sk);
	name->modified=1;
	if (loc == n) return(ret);

	/* else we need to fixup the set field */
	if (loc != 0)
	set_prev=(sk_X509_NAME_ENTRY_value(sk,loc-1))->set;
	else
	set_prev=ret->set-1;
	set_next=sk_X509_NAME_ENTRY_value(sk,loc)->set;

	/* set_prev is the previous set
	* set is the current set
	* set_next is the following
	* prev 1 1 1 1 1 1 1 1
	* set 1 1 2 2
	* next 1 1 2 2 2 2 3 2
	* so basically only if prev and next differ by 2, then
	* re-number down by 1 */
	if (set_prev+1 < set_next)
	for (i=loc; i<n; i++)
	sk_X509_NAME_ENTRY_value(sk,i)->set--;
	return(ret);
	}

	int X509_NAME_add_entry_by_OBJ(X509_NAME name, ASN1_OBJECT obj, int type,
	unsigned char *bytes, int len, int loc, int set)
	{
	X509_NAME_ENTRY *ne;
	int ret;
	ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
	if(!ne) return 0;
	ret = X509_NAME_add_entry(name, ne, loc, set);
	X509_NAME_ENTRY_free(ne);
	return ret;
	}

	int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
	unsigned char *bytes, int len, int loc, int set)
	{
	X509_NAME_ENTRY *ne;
	int ret;
	ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
	if(!ne) return 0;
	ret = X509_NAME_add_entry(name, ne, loc, set);
	X509_NAME_ENTRY_free(ne);
	return ret;
	}

	int X509_NAME_add_entry_by_txt(X509_NAME name, char field, int type,
	unsigned char *bytes, int len, int loc, int set)
	{
	X509_NAME_ENTRY *ne;
	int ret;
	ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
	if(!ne) return 0;
	ret = X509_NAME_add_entry(name, ne, loc, set);
	X509_NAME_ENTRY_free(ne);
	return ret;
	}

	/* if set is -1, append to previous set, 0 'a new one', and 1,
	* prepend to the guy we are about to stomp on. */
	int X509_NAME_add_entry(X509_NAME name, X509_NAME_ENTRY ne, int loc,
	int set)
	{
	X509_NAME_ENTRY *new_name=NULL;
	int n,i,inc;
	STACK_OF(X509_NAME_ENTRY) *sk;

	if (name == NULL) return(0);
	sk=name->entries;
	n=sk_X509_NAME_ENTRY_num(sk);
	if (loc > n) loc=n;
	else if (loc < 0) loc=n;

	name->modified=1;

	if (set == -1)
	{
	if (loc == 0)
	{
	set=0;
	inc=1;
	}
	else
	{
	set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set;
	inc=0;
	}
	}
	else /* if (set >= 0) */
	{
	if (loc >= n)
	{
	if (loc != 0)
	set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set+1;
	else
	set=0;
	}
	else
	set=sk_X509_NAME_ENTRY_value(sk,loc)->set;
	inc=(set == 0)?1:0;
	}

	if ((new_name=X509_NAME_ENTRY_dup(ne)) == NULL)
	goto err;
	new_name->set=set;
	if (!sk_X509_NAME_ENTRY_insert(sk,new_name,loc))
	{
	X509err(X509_F_X509_NAME_ADD_ENTRY,ERR_R_MALLOC_FAILURE);
	goto err;
	}
	if (inc)
	{
	n=sk_X509_NAME_ENTRY_num(sk);
	for (i=loc+1; i<n; i++)
	sk_X509_NAME_ENTRY_value(sk,i-1)->set+=1;
	}
	return(1);
	err:
	if (new_name != NULL)
	X509_NAME_ENTRY_free(new_name);
	return(0);
	}

	X509_NAME_ENTRY X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY *ne,
	char field, int type, unsigned char bytes, int len)
	{
	ASN1_OBJECT *obj;
	X509_NAME_ENTRY *nentry;

	obj=OBJ_txt2obj(field, 0);
	if (obj == NULL)
	{
	X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
	X509_R_INVALID_FIELD_NAME);
	ERR_add_error_data(2, "name=", field);
	return(NULL);
	}
	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
	ASN1_OBJECT_free(obj);
	return nentry;
	}

	X509_NAME_ENTRY X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY *ne, int nid,
	int type, unsigned char *bytes, int len)
	{
	ASN1_OBJECT *obj;
	X509_NAME_ENTRY *nentry;

	obj=OBJ_nid2obj(nid);
	if (obj == NULL)
	{
	X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,X509_R_UNKNOWN_NID);
	return(NULL);
	}
	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
	ASN1_OBJECT_free(obj);
	return nentry;
	}

	X509_NAME_ENTRY X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY *ne,
	ASN1_OBJECT obj, int type, unsigned char bytes, int len)
	{
	X509_NAME_ENTRY *ret;

	if ((ne == NULL) \|\| (*ne == NULL))
	{
	if ((ret=X509_NAME_ENTRY_new()) == NULL)
	return(NULL);
	}
	else
	ret= *ne;

	if (!X509_NAME_ENTRY_set_object(ret,obj))
	goto err;
	if (!X509_NAME_ENTRY_set_data(ret,type,bytes,len))
	goto err;

	if ((ne != NULL) && (ne == NULL)) ne=ret;
	return(ret);
	err:
	if ((ne == NULL) \|\| (ret != *ne))
	X509_NAME_ENTRY_free(ret);
	return(NULL);
	}

	int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY ne, ASN1_OBJECT obj)
	{
	if ((ne == NULL) \|\| (obj == NULL))
	{
	X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,ERR_R_PASSED_NULL_PARAMETER);
	return(0);
	}
	ASN1_OBJECT_free(ne->object);
	ne->object=OBJ_dup(obj);
	return((ne->object == NULL)?0:1);
	}

	int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
	unsigned char *bytes, int len)
	{
	int i;

	if ((ne == NULL) \|\| ((bytes == NULL) && (len != 0))) return(0);
	if((type > 0) && (type & MBSTRING_FLAG))
	return ASN1_STRING_set_by_NID(&ne->value, bytes,
	len, type,
	OBJ_obj2nid(ne->object)) ? 1 : 0;
	if (len < 0) len=strlen((char *)bytes);
	i=ASN1_STRING_set(ne->value,bytes,len);
	if (!i) return(0);
	if (type != V_ASN1_UNDEF)
	{
	if (type == V_ASN1_APP_CHOOSE)
	ne->value->type=ASN1_PRINTABLE_type(bytes,len);
	else
	ne->value->type=type;
	}
	return(1);
	}

	ASN1_OBJECT X509_NAME_ENTRY_get_object(X509_NAME_ENTRY ne)
	{
	if (ne == NULL) return(NULL);
	return(ne->object);
	}

	ASN1_STRING X509_NAME_ENTRY_get_data(X509_NAME_ENTRY ne)
	{
	if (ne == NULL) return(NULL);
	return(ne->value);
	}