ref: c23504631008ce0bfaa5bec48acb2b04f4b49fd9
dir: /sys/src/ape/lib/openssl/crypto/x509/x509_req.c/
/* crypto/x509/x509_req.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/bn.h>
#include <openssl/evp.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/objects.h>
#include <openssl/buffer.h>
#include <openssl/pem.h>
X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
{
X509_REQ *ret;
X509_REQ_INFO *ri;
int i;
EVP_PKEY *pktmp;
ret=X509_REQ_new();
if (ret == NULL)
{
X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE);
goto err;
}
ri=ret->req_info;
ri->version->length=1;
ri->version->data=(unsigned char *)OPENSSL_malloc(1);
if (ri->version->data == NULL) goto err;
ri->version->data[0]=0; /* version == 0 */
if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x)))
goto err;
pktmp = X509_get_pubkey(x);
i=X509_REQ_set_pubkey(ret,pktmp);
EVP_PKEY_free(pktmp);
if (!i) goto err;
if (pkey != NULL)
{
if (!X509_REQ_sign(ret,pkey,md))
goto err;
}
return(ret);
err:
X509_REQ_free(ret);
return(NULL);
}
EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
{
if ((req == NULL) || (req->req_info == NULL))
return(NULL);
return(X509_PUBKEY_get(req->req_info->pubkey));
}
int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
{
EVP_PKEY *xk=NULL;
int ok=0;
xk=X509_REQ_get_pubkey(x);
switch (EVP_PKEY_cmp(xk, k))
{
case 1:
ok=1;
break;
case 0:
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
break;
case -1:
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
break;
case -2:
#ifndef OPENSSL_NO_EC
if (k->type == EVP_PKEY_EC)
{
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
break;
}
#endif
#ifndef OPENSSL_NO_DH
if (k->type == EVP_PKEY_DH)
{
/* No idea */
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);
break;
}
#endif
X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
}
EVP_PKEY_free(xk);
return(ok);
}
/* It seems several organisations had the same idea of including a list of
* extensions in a certificate request. There are at least two OIDs that are
* used and there may be more: so the list is configurable.
*/
static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef};
static int *ext_nids = ext_nid_list;
int X509_REQ_extension_nid(int req_nid)
{
int i, nid;
for(i = 0; ; i++) {
nid = ext_nids[i];
if(nid == NID_undef) return 0;
else if (req_nid == nid) return 1;
}
}
int *X509_REQ_get_extension_nids(void)
{
return ext_nids;
}
void X509_REQ_set_extension_nids(int *nids)
{
ext_nids = nids;
}
STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
{
X509_ATTRIBUTE *attr;
ASN1_TYPE *ext = NULL;
int idx, *pnid;
const unsigned char *p;
if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
return(NULL);
for (pnid = ext_nids; *pnid != NID_undef; pnid++)
{
idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
if (idx == -1)
continue;
attr = X509_REQ_get_attr(req, idx);
if(attr->single) ext = attr->value.single;
else if(sk_ASN1_TYPE_num(attr->value.set))
ext = sk_ASN1_TYPE_value(attr->value.set, 0);
break;
}
if(!ext || (ext->type != V_ASN1_SEQUENCE))
return NULL;
p = ext->value.sequence->data;
return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
ext->value.sequence->length,
d2i_X509_EXTENSION, X509_EXTENSION_free,
V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
}
/* Add a STACK_OF extensions to a certificate request: allow alternative OIDs
* in case we want to create a non standard one.
*/
int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
int nid)
{
unsigned char *p = NULL, *q;
long len;
ASN1_TYPE *at = NULL;
X509_ATTRIBUTE *attr = NULL;
if(!(at = ASN1_TYPE_new()) ||
!(at->value.sequence = ASN1_STRING_new())) goto err;
at->type = V_ASN1_SEQUENCE;
/* Generate encoding of extensions */
len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
if(!(p = OPENSSL_malloc(len))) goto err;
q = p;
i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
at->value.sequence->data = p;
p = NULL;
at->value.sequence->length = len;
if(!(attr = X509_ATTRIBUTE_new())) goto err;
if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err;
at = NULL;
attr->single = 0;
attr->object = OBJ_nid2obj(nid);
if (!req->req_info->attributes)
{
if (!(req->req_info->attributes = sk_X509_ATTRIBUTE_new_null()))
goto err;
}
if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err;
return 1;
err:
if(p) OPENSSL_free(p);
X509_ATTRIBUTE_free(attr);
ASN1_TYPE_free(at);
return 0;
}
/* This is the normal usage: use the "official" OID */
int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
{
return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
}
/* Request attribute functions */
int X509_REQ_get_attr_count(const X509_REQ *req)
{
return X509at_get_attr_count(req->req_info->attributes);
}
int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,
int lastpos)
{
return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
}
int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
int lastpos)
{
return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
}
X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
{
return X509at_get_attr(req->req_info->attributes, loc);
}
X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
{
return X509at_delete_attr(req->req_info->attributes, loc);
}
int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
{
if(X509at_add1_attr(&req->req_info->attributes, attr)) return 1;
return 0;
}
int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
const ASN1_OBJECT *obj, int type,
const unsigned char *bytes, int len)
{
if(X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
type, bytes, len)) return 1;
return 0;
}
int X509_REQ_add1_attr_by_NID(X509_REQ *req,
int nid, int type,
const unsigned char *bytes, int len)
{
if(X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
type, bytes, len)) return 1;
return 0;
}
int X509_REQ_add1_attr_by_txt(X509_REQ *req,
const char *attrname, int type,
const unsigned char *bytes, int len)
{
if(X509at_add1_attr_by_txt(&req->req_info->attributes, attrname,
type, bytes, len)) return 1;
return 0;
}