1998-12-21 18:52:47 +08:00
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/* crypto/x509/x509_req.c */
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1998-12-21 18:56:39 +08:00
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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1998-12-21 18:52:47 +08:00
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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1999-04-24 06:13:45 +08:00
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#include <openssl/bn.h>
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#include <openssl/evp.h>
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#include <openssl/asn1.h>
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#include <openssl/x509.h>
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#include <openssl/objects.h>
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#include <openssl/buffer.h>
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#include <openssl/pem.h>
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1998-12-21 18:52:47 +08:00
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1999-11-27 09:14:04 +08:00
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X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
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1998-12-21 18:52:47 +08:00
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{
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X509_REQ *ret;
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X509_REQ_INFO *ri;
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int i;
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1999-01-04 07:00:45 +08:00
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EVP_PKEY *pktmp;
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1998-12-21 18:52:47 +08:00
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ret=X509_REQ_new();
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if (ret == NULL)
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{
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X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE);
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goto err;
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}
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ri=ret->req_info;
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ri->version->length=1;
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ri->version->data=(unsigned char *)Malloc(1);
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if (ri->version->data == NULL) goto err;
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ri->version->data[0]=0; /* version == 0 */
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if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x)))
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goto err;
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1999-01-04 07:00:45 +08:00
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pktmp = X509_get_pubkey(x);
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i=X509_REQ_set_pubkey(ret,pktmp);
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EVP_PKEY_free(pktmp);
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1998-12-21 18:52:47 +08:00
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if (!i) goto err;
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1998-12-21 18:56:39 +08:00
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if (pkey != NULL)
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{
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if (!X509_REQ_sign(ret,pkey,md))
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goto err;
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}
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1998-12-21 18:52:47 +08:00
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return(ret);
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err:
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X509_REQ_free(ret);
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return(NULL);
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}
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1999-04-20 05:31:43 +08:00
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EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
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1998-12-21 18:52:47 +08:00
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{
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1998-12-21 18:56:39 +08:00
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if ((req == NULL) || (req->req_info == NULL))
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return(NULL);
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1998-12-21 18:52:47 +08:00
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return(X509_PUBKEY_get(req->req_info->pubkey));
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}
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1999-08-10 06:38:05 +08:00
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/* It seems several organisations had the same idea of including a list of
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* extensions in a certificate request. There are at least two OIDs that are
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* used and there may be more: so the list is configurable.
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*/
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static int ext_nid_list[] = { NID_ms_ext_req, NID_ext_req, NID_undef};
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static int *ext_nids = ext_nid_list;
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int X509_REQ_extension_nid(int req_nid)
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{
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int i, nid;
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for(i = 0; ; i++) {
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nid = ext_nids[i];
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if(nid == NID_undef) return 0;
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else if (req_nid == nid) return 1;
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}
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}
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int *X509_REQ_get_extesion_nids(void)
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{
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return ext_nids;
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}
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void X509_REQ_set_extension_nids(int *nids)
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{
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ext_nids = nids;
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}
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STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
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{
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X509_ATTRIBUTE *attr;
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STACK_OF(X509_ATTRIBUTE) *sk;
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ASN1_TYPE *ext = NULL;
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int i;
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unsigned char *p;
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if ((req == NULL) || (req->req_info == NULL))
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return(NULL);
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sk=req->req_info->attributes;
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if (!sk) return NULL;
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for(i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
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attr = sk_X509_ATTRIBUTE_value(sk, i);
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if(X509_REQ_extension_nid(OBJ_obj2nid(attr->object))) {
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if(attr->set && sk_ASN1_TYPE_num(attr->value.set))
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ext = sk_ASN1_TYPE_value(attr->value.set, 0);
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else ext = attr->value.single;
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break;
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}
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}
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if(!ext || (ext->type != V_ASN1_SEQUENCE)) return NULL;
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p = ext->value.sequence->data;
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return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
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ext->value.sequence->length,
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d2i_X509_EXTENSION, X509_EXTENSION_free,
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V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
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}
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1999-08-11 21:08:58 +08:00
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/* Add a STACK_OF extensions to a certificate request: allow alternative OIDs
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* in case we want to create a non standard one.
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*/
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int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
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int nid)
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{
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unsigned char *p = NULL, *q;
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long len;
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ASN1_TYPE *at = NULL;
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X509_ATTRIBUTE *attr = NULL;
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if(!(at = ASN1_TYPE_new()) ||
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!(at->value.sequence = ASN1_STRING_new())) goto err;
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at->type = V_ASN1_SEQUENCE;
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/* Generate encoding of extensions */
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len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
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V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
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if(!(p = Malloc(len))) goto err;
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q = p;
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i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
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V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
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at->value.sequence->data = p;
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p = NULL;
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at->value.sequence->length = len;
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if(!(attr = X509_ATTRIBUTE_new())) goto err;
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if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
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if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err;
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at = NULL;
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attr->set = 1;
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attr->object = OBJ_nid2obj(nid);
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if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err;
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return 1;
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err:
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if(p) Free(p);
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X509_ATTRIBUTE_free(attr);
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ASN1_TYPE_free(at);
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return 0;
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}
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/* This is the normal usage: use the "official" OID */
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int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
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{
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return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
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}
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2000-01-19 09:02:13 +08:00
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/* Request attribute functions */
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int X509_REQ_get_attr_count(const X509_REQ *req)
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{
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return X509at_get_attr_count(req->req_info->attributes);
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}
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int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,
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int lastpos)
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{
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return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
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}
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int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
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int lastpos)
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{
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return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
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}
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X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
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{
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return X509at_get_attr(req->req_info->attributes, loc);
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}
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X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
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{
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return X509at_delete_attr(req->req_info->attributes, loc);
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}
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int X509_REQ_radd_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
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{
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if(X509at_radd_attr(&req->req_info->attributes, attr)) return 1;
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return 0;
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}
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int X509_REQ_radd_attr_by_OBJ(X509_REQ *req,
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ASN1_OBJECT *obj, int type,
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unsigned char *bytes, int len)
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{
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if(X509at_radd_attr_by_OBJ(&req->req_info->attributes, obj,
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type, bytes, len)) return 1;
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return 0;
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}
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int X509_REQ_radd_attr_by_NID(X509_REQ *req,
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int nid, int type,
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unsigned char *bytes, int len)
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{
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if(X509at_radd_attr_by_NID(&req->req_info->attributes, nid,
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type, bytes, len)) return 1;
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return 0;
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}
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int X509_REQ_radd_attr_by_txt(X509_REQ *req,
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char *attrname, int type,
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unsigned char *bytes, int len)
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{
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if(X509at_radd_attr_by_txt(&req->req_info->attributes, attrname,
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type, bytes, len)) return 1;
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return 0;
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}
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