sl@0: /* crypto/x509/x509_req.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:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/bn.h>
sl@0: #include <openssl/evp.h>
sl@0: #include <openssl/asn1.h>
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/objects.h>
sl@0: #include <openssl/buffer.h>
sl@0: #include <openssl/pem.h>
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
sl@0: 	{
sl@0: 	X509_REQ *ret;
sl@0: 	X509_REQ_INFO *ri;
sl@0: 	int i;
sl@0: 	EVP_PKEY *pktmp;
sl@0: 
sl@0: 	ret=X509_REQ_new();
sl@0: 	if (ret == NULL)
sl@0: 		{
sl@0: 		X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 		}
sl@0: 
sl@0: 	ri=ret->req_info;
sl@0: 
sl@0: 	ri->version->length=1;
sl@0: 	ri->version->data=(unsigned char *)OPENSSL_malloc(1);
sl@0: 	if (ri->version->data == NULL) goto err;
sl@0: 	ri->version->data[0]=0; /* version == 0 */
sl@0: 
sl@0: 	if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x)))
sl@0: 		goto err;
sl@0: 
sl@0: 	pktmp = X509_get_pubkey(x);
sl@0: 	i=X509_REQ_set_pubkey(ret,pktmp);
sl@0: 	EVP_PKEY_free(pktmp);
sl@0: 	if (!i) goto err;
sl@0: 
sl@0: 	if (pkey != NULL)
sl@0: 		{
sl@0: 		if (!X509_REQ_sign(ret,pkey,md))
sl@0: 			goto err;
sl@0: 		}
sl@0: 	return(ret);
sl@0: err:
sl@0: 	X509_REQ_free(ret);
sl@0: 	return(NULL);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
sl@0: 	{
sl@0: 	if ((req == NULL) || (req->req_info == NULL))
sl@0: 		return(NULL);
sl@0: 	return(X509_PUBKEY_get(req->req_info->pubkey));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
sl@0: 	{
sl@0: 	EVP_PKEY *xk=NULL;
sl@0: 	int ok=0;
sl@0: 
sl@0: 	xk=X509_REQ_get_pubkey(x);
sl@0: 	switch (EVP_PKEY_cmp(xk, k))
sl@0: 		{
sl@0: 	case 1:
sl@0: 		ok=1;
sl@0: 		break;
sl@0: 	case 0:
sl@0: 		X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
sl@0: 		break;
sl@0: 	case -1:
sl@0: 		X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
sl@0: 		break;
sl@0: 	case -2:
sl@0: #ifndef OPENSSL_NO_EC
sl@0: 		if (k->type == EVP_PKEY_EC)
sl@0: 			{
sl@0: 			X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
sl@0: 			break;
sl@0: 			}
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DH
sl@0: 		if (k->type == EVP_PKEY_DH)
sl@0: 			{
sl@0: 			/* No idea */
sl@0: 			X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);
sl@0: 			break;
sl@0: 			}
sl@0: #endif
sl@0: 	        X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
sl@0: 		}
sl@0: 
sl@0: 	EVP_PKEY_free(xk);
sl@0: 	return(ok);
sl@0: 	}
sl@0: 
sl@0: /* It seems several organisations had the same idea of including a list of
sl@0:  * extensions in a certificate request. There are at least two OIDs that are
sl@0:  * used and there may be more: so the list is configurable.
sl@0:  */
sl@0: #ifndef EMULATOR
sl@0: static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef};
sl@0: static int *ext_nids = ext_nid_list;
sl@0: #else
sl@0: GET_STATIC_VAR_FROM_TLS(ext_nids,x509_req,int*)
sl@0: #define ext_nids (*GET_WSD_VAR_NAME(ext_nids,x509_req, s)())
sl@0: 
sl@0: GET_STATIC_ARRAY_FROM_TLS(ext_nid_list,x509_req,int)
sl@0: #define ext_nid_list (GET_WSD_VAR_NAME(ext_nid_list,x509_req, s)())
sl@0: 
sl@0: #endif
sl@0: 
sl@0: EXPORT_C int X509_REQ_extension_nid(int req_nid)
sl@0: {
sl@0: 	int i, nid;
sl@0: 	for(i = 0; ; i++) {
sl@0: 		nid = ext_nids[i];
sl@0: 		if(nid == NID_undef) return 0;
sl@0: 		else if (req_nid == nid) return 1;
sl@0: 	}
sl@0: }
sl@0: 
sl@0: EXPORT_C int *X509_REQ_get_extension_nids(void)
sl@0: {
sl@0: 	return ext_nids;
sl@0: }
sl@0: 	
sl@0: EXPORT_C void X509_REQ_set_extension_nids(int *nids)
sl@0: {
sl@0: 	ext_nids = nids;
sl@0: }
sl@0: 
sl@0: EXPORT_C STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
sl@0: 	{
sl@0: 	X509_ATTRIBUTE *attr;
sl@0: 	ASN1_TYPE *ext = NULL;
sl@0: 	int idx, *pnid;
sl@0: 	const unsigned char *p;
sl@0: 
sl@0: 	if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
sl@0: 		return(NULL);
sl@0: 	for (pnid = ext_nids; *pnid != NID_undef; pnid++)
sl@0: 		{
sl@0: 		idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
sl@0: 		if (idx == -1)
sl@0: 			continue;
sl@0: 		attr = X509_REQ_get_attr(req, idx);
sl@0: 		if(attr->single) ext = attr->value.single;
sl@0: 		else if(sk_ASN1_TYPE_num(attr->value.set))
sl@0: 			ext = sk_ASN1_TYPE_value(attr->value.set, 0);
sl@0: 		break;
sl@0: 		}
sl@0: 	if(!ext || (ext->type != V_ASN1_SEQUENCE))
sl@0: 		return NULL;
sl@0: 	p = ext->value.sequence->data;
sl@0: 	return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
sl@0: 			ext->value.sequence->length,
sl@0: 			d2i_X509_EXTENSION, X509_EXTENSION_free,
sl@0: 			V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
sl@0: }
sl@0: 
sl@0: /* Add a STACK_OF extensions to a certificate request: allow alternative OIDs
sl@0:  * in case we want to create a non standard one.
sl@0:  */
sl@0: 
sl@0: EXPORT_C int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
sl@0: 				int nid)
sl@0: {
sl@0: 	unsigned char *p = NULL, *q;
sl@0: 	long len;
sl@0: 	ASN1_TYPE *at = NULL;
sl@0: 	X509_ATTRIBUTE *attr = NULL;
sl@0: 	if(!(at = ASN1_TYPE_new()) ||
sl@0: 		!(at->value.sequence = ASN1_STRING_new())) goto err;
sl@0: 
sl@0: 	at->type = V_ASN1_SEQUENCE;
sl@0: 	/* Generate encoding of extensions */
sl@0: 	len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
sl@0: 			V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
sl@0: 	if(!(p = OPENSSL_malloc(len))) goto err;
sl@0: 	q = p;
sl@0: 	i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
sl@0: 			V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
sl@0: 	at->value.sequence->data = p;
sl@0: 	p = NULL;
sl@0: 	at->value.sequence->length = len;
sl@0: 	if(!(attr = X509_ATTRIBUTE_new())) goto err;
sl@0: 	if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
sl@0: 	if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err;
sl@0: 	at = NULL;
sl@0: 	attr->single = 0;
sl@0: 	attr->object = OBJ_nid2obj(nid);
sl@0: 	if (!req->req_info->attributes)
sl@0: 		{
sl@0: 		if (!(req->req_info->attributes = sk_X509_ATTRIBUTE_new_null()))
sl@0: 			goto err;
sl@0: 		}
sl@0: 	if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err;
sl@0: 	return 1;
sl@0: 	err:
sl@0: 	if(p) OPENSSL_free(p);
sl@0: 	X509_ATTRIBUTE_free(attr);
sl@0: 	ASN1_TYPE_free(at);
sl@0: 	return 0;
sl@0: }
sl@0: /* This is the normal usage: use the "official" OID */
sl@0: EXPORT_C int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
sl@0: {
sl@0: 	return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
sl@0: }
sl@0: 
sl@0: /* Request attribute functions */
sl@0: 
sl@0: EXPORT_C int X509_REQ_get_attr_count(const X509_REQ *req)
sl@0: {
sl@0: 	return X509at_get_attr_count(req->req_info->attributes);
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,
sl@0: 			  int lastpos)
sl@0: {
sl@0: 	return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
sl@0: 			  int lastpos)
sl@0: {
sl@0: 	return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
sl@0: }
sl@0: 
sl@0: EXPORT_C X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
sl@0: {
sl@0: 	return X509at_get_attr(req->req_info->attributes, loc);
sl@0: }
sl@0: 
sl@0: EXPORT_C X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
sl@0: {
sl@0: 	return X509at_delete_attr(req->req_info->attributes, loc);
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
sl@0: {
sl@0: 	if(X509at_add1_attr(&req->req_info->attributes, attr)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
sl@0: 			const ASN1_OBJECT *obj, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_add1_attr_by_NID(X509_REQ *req,
sl@0: 			int nid, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int X509_REQ_add1_attr_by_txt(X509_REQ *req,
sl@0: 			const char *attrname, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_txt(&req->req_info->attributes, attrname,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }