sl@0: /* crypto/x509/x509name.c */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <openssl/stack.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/asn1.h>
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/evp.h>
sl@0: #include <openssl/x509.h>
sl@0: 
sl@0: EXPORT_C int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
sl@0: 	{
sl@0: 	ASN1_OBJECT *obj;
sl@0: 
sl@0: 	obj=OBJ_nid2obj(nid);
sl@0: 	if (obj == NULL) return(-1);
sl@0: 	return(X509_NAME_get_text_by_OBJ(name,obj,buf,len));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf,
sl@0: 	     int len)
sl@0: 	{
sl@0: 	int i;
sl@0: 	ASN1_STRING *data;
sl@0: 
sl@0: 	i=X509_NAME_get_index_by_OBJ(name,obj,-1);
sl@0: 	if (i < 0) return(-1);
sl@0: 	data=X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i));
sl@0: 	i=(data->length > (len-1))?(len-1):data->length;
sl@0: 	if (buf == NULL) return(data->length);
sl@0: 	memcpy(buf,data->data,i);
sl@0: 	buf[i]='\0';
sl@0: 	return(i);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_entry_count(X509_NAME *name)
sl@0: 	{
sl@0: 	if (name == NULL) return(0);
sl@0: 	return(sk_X509_NAME_ENTRY_num(name->entries));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
sl@0: 	{
sl@0: 	ASN1_OBJECT *obj;
sl@0: 
sl@0: 	obj=OBJ_nid2obj(nid);
sl@0: 	if (obj == NULL) return(-2);
sl@0: 	return(X509_NAME_get_index_by_OBJ(name,obj,lastpos));
sl@0: 	}
sl@0: 
sl@0: /* NOTE: you should be passsing -1, not 0 as lastpos */
sl@0: EXPORT_C int X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj,
sl@0: 	     int lastpos)
sl@0: 	{
sl@0: 	int n;
sl@0: 	X509_NAME_ENTRY *ne;
sl@0: 	STACK_OF(X509_NAME_ENTRY) *sk;
sl@0: 
sl@0: 	if (name == NULL) return(-1);
sl@0: 	if (lastpos < 0)
sl@0: 		lastpos= -1;
sl@0: 	sk=name->entries;
sl@0: 	n=sk_X509_NAME_ENTRY_num(sk);
sl@0: 	for (lastpos++; lastpos < n; lastpos++)
sl@0: 		{
sl@0: 		ne=sk_X509_NAME_ENTRY_value(sk,lastpos);
sl@0: 		if (OBJ_cmp(ne->object,obj) == 0)
sl@0: 			return(lastpos);
sl@0: 		}
sl@0: 	return(-1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_NAME_ENTRY *X509_NAME_get_entry(X509_NAME *name, int loc)
sl@0: 	{
sl@0: 	if(name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
sl@0: 	   || loc < 0)
sl@0: 		return(NULL);
sl@0: 	else
sl@0: 		return(sk_X509_NAME_ENTRY_value(name->entries,loc));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc)
sl@0: 	{
sl@0: 	X509_NAME_ENTRY *ret;
sl@0: 	int i,n,set_prev,set_next;
sl@0: 	STACK_OF(X509_NAME_ENTRY) *sk;
sl@0: 
sl@0: 	if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc
sl@0: 	    || loc < 0)
sl@0: 		return(NULL);
sl@0: 	sk=name->entries;
sl@0: 	ret=sk_X509_NAME_ENTRY_delete(sk,loc);
sl@0: 	n=sk_X509_NAME_ENTRY_num(sk);
sl@0: 	name->modified=1;
sl@0: 	if (loc == n) return(ret);
sl@0: 
sl@0: 	/* else we need to fixup the set field */
sl@0: 	if (loc != 0)
sl@0: 		set_prev=(sk_X509_NAME_ENTRY_value(sk,loc-1))->set;
sl@0: 	else
sl@0: 		set_prev=ret->set-1;
sl@0: 	set_next=sk_X509_NAME_ENTRY_value(sk,loc)->set;
sl@0: 
sl@0: 	/* set_prev is the previous set
sl@0: 	 * set is the current set
sl@0: 	 * set_next is the following
sl@0: 	 * prev  1 1	1 1	1 1	1 1
sl@0: 	 * set   1	1	2	2
sl@0: 	 * next  1 1	2 2	2 2	3 2
sl@0: 	 * so basically only if prev and next differ by 2, then
sl@0: 	 * re-number down by 1 */
sl@0: 	if (set_prev+1 < set_next)
sl@0: 		for (i=loc; i<n; i++)
sl@0: 			sk_X509_NAME_ENTRY_value(sk,i)->set--;
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type,
sl@0: 			unsigned char *bytes, int len, int loc, int set)
sl@0: {
sl@0: 	X509_NAME_ENTRY *ne;
sl@0: 	int ret;
sl@0: 	ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
sl@0: 	if(!ne) return 0;
sl@0: 	ret = X509_NAME_add_entry(name, ne, loc, set);
sl@0: 	X509_NAME_ENTRY_free(ne);
sl@0: 	return ret;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
sl@0: 			unsigned char *bytes, int len, int loc, int set)
sl@0: {
sl@0: 	X509_NAME_ENTRY *ne;
sl@0: 	int ret;
sl@0: 	ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
sl@0: 	if(!ne) return 0;
sl@0: 	ret = X509_NAME_add_entry(name, ne, loc, set);
sl@0: 	X509_NAME_ENTRY_free(ne);
sl@0: 	return ret;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type,
sl@0: 			const unsigned char *bytes, int len, int loc, int set)
sl@0: {
sl@0: 	X509_NAME_ENTRY *ne;
sl@0: 	int ret;
sl@0: 	ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
sl@0: 	if(!ne) return 0;
sl@0: 	ret = X509_NAME_add_entry(name, ne, loc, set);
sl@0: 	X509_NAME_ENTRY_free(ne);
sl@0: 	return ret;
sl@0: }
sl@0: 
sl@0: /* if set is -1, append to previous set, 0 'a new one', and 1,
sl@0:  * prepend to the guy we are about to stomp on. */
sl@0: EXPORT_C int X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc,
sl@0: 	     int set)
sl@0: 	{
sl@0: 	X509_NAME_ENTRY *new_name=NULL;
sl@0: 	int n,i,inc;
sl@0: 	STACK_OF(X509_NAME_ENTRY) *sk;
sl@0: 
sl@0: 	if (name == NULL) return(0);
sl@0: 	sk=name->entries;
sl@0: 	n=sk_X509_NAME_ENTRY_num(sk);
sl@0: 	if (loc > n) loc=n;
sl@0: 	else if (loc < 0) loc=n;
sl@0: 
sl@0: 	name->modified=1;
sl@0: 
sl@0: 	if (set == -1)
sl@0: 		{
sl@0: 		if (loc == 0)
sl@0: 			{
sl@0: 			set=0;
sl@0: 			inc=1;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set;
sl@0: 			inc=0;
sl@0: 			}
sl@0: 		}
sl@0: 	else /* if (set >= 0) */
sl@0: 		{
sl@0: 		if (loc >= n)
sl@0: 			{
sl@0: 			if (loc != 0)
sl@0: 				set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set+1;
sl@0: 			else
sl@0: 				set=0;
sl@0: 			}
sl@0: 		else
sl@0: 			set=sk_X509_NAME_ENTRY_value(sk,loc)->set;
sl@0: 		inc=(set == 0)?1:0;
sl@0: 		}
sl@0: 
sl@0: 	if ((new_name=X509_NAME_ENTRY_dup(ne)) == NULL)
sl@0: 		goto err;
sl@0: 	new_name->set=set;
sl@0: 	if (!sk_X509_NAME_ENTRY_insert(sk,new_name,loc))
sl@0: 		{
sl@0: 		X509err(X509_F_X509_NAME_ADD_ENTRY,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 		}
sl@0: 	if (inc)
sl@0: 		{
sl@0: 		n=sk_X509_NAME_ENTRY_num(sk);
sl@0: 		for (i=loc+1; i<n; i++)
sl@0: 			sk_X509_NAME_ENTRY_value(sk,i-1)->set+=1;
sl@0: 		}	
sl@0: 	return(1);
sl@0: err:
sl@0: 	if (new_name != NULL)
sl@0: 		X509_NAME_ENTRY_free(new_name);
sl@0: 	return(0);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
sl@0: 		const char *field, int type, const unsigned char *bytes, int len)
sl@0: 	{
sl@0: 	ASN1_OBJECT *obj;
sl@0: 	X509_NAME_ENTRY *nentry;
sl@0: 
sl@0: 	obj=OBJ_txt2obj(field, 0);
sl@0: 	if (obj == NULL)
sl@0: 		{
sl@0: 		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
sl@0: 						X509_R_INVALID_FIELD_NAME);
sl@0: 		ERR_add_error_data(2, "name=", field);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
sl@0: 	ASN1_OBJECT_free(obj);
sl@0: 	return nentry;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
sl@0: 	     int type, unsigned char *bytes, int len)
sl@0: 	{
sl@0: 	ASN1_OBJECT *obj;
sl@0: 	X509_NAME_ENTRY *nentry;
sl@0: 
sl@0: 	obj=OBJ_nid2obj(nid);
sl@0: 	if (obj == NULL)
sl@0: 		{
sl@0: 		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,X509_R_UNKNOWN_NID);
sl@0: 		return(NULL);
sl@0: 		}
sl@0: 	nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len);
sl@0: 	ASN1_OBJECT_free(obj);
sl@0: 	return nentry;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
sl@0: 	     ASN1_OBJECT *obj, int type, const unsigned char *bytes, int len)
sl@0: 	{
sl@0: 	X509_NAME_ENTRY *ret;
sl@0: 
sl@0: 	if ((ne == NULL) || (*ne == NULL))
sl@0: 		{
sl@0: 		if ((ret=X509_NAME_ENTRY_new()) == NULL)
sl@0: 			return(NULL);
sl@0: 		}
sl@0: 	else
sl@0: 		ret= *ne;
sl@0: 
sl@0: 	if (!X509_NAME_ENTRY_set_object(ret,obj))
sl@0: 		goto err;
sl@0: 	if (!X509_NAME_ENTRY_set_data(ret,type,bytes,len))
sl@0: 		goto err;
sl@0: 
sl@0: 	if ((ne != NULL) && (*ne == NULL)) *ne=ret;
sl@0: 	return(ret);
sl@0: err:
sl@0: 	if ((ne == NULL) || (ret != *ne))
sl@0: 		X509_NAME_ENTRY_free(ret);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj)
sl@0: 	{
sl@0: 	if ((ne == NULL) || (obj == NULL))
sl@0: 		{
sl@0: 		X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,ERR_R_PASSED_NULL_PARAMETER);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	ASN1_OBJECT_free(ne->object);
sl@0: 	ne->object=OBJ_dup(obj);
sl@0: 	return((ne->object == NULL)?0:1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
sl@0: 	     const unsigned char *bytes, int len)
sl@0: 	{
sl@0: 	int i;
sl@0: 
sl@0: 	if ((ne == NULL) || ((bytes == NULL) && (len != 0))) return(0);
sl@0: 	if((type > 0) && (type & MBSTRING_FLAG)) 
sl@0: 		return ASN1_STRING_set_by_NID(&ne->value, bytes,
sl@0: 						len, type,
sl@0: 					OBJ_obj2nid(ne->object)) ? 1 : 0;
sl@0: 	if (len < 0) len=strlen((char *)bytes);
sl@0: 	i=ASN1_STRING_set(ne->value,bytes,len);
sl@0: 	if (!i) return(0);
sl@0: 	if (type != V_ASN1_UNDEF)
sl@0: 		{
sl@0: 		if (type == V_ASN1_APP_CHOOSE)
sl@0: 			ne->value->type=ASN1_PRINTABLE_type(bytes,len);
sl@0: 		else
sl@0: 			ne->value->type=type;
sl@0: 		}
sl@0: 	return(1);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
sl@0: 	{
sl@0: 	if (ne == NULL) return(NULL);
sl@0: 	return(ne->object);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)
sl@0: 	{
sl@0: 	if (ne == NULL) return(NULL);
sl@0: 	return(ne->value);
sl@0: 	}
sl@0: