1 /* crypto/x509/x509_req.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
61 #include <openssl/bn.h>
62 #include <openssl/evp.h>
63 #include <openssl/asn1.h>
64 #include <openssl/x509.h>
65 #include <openssl/objects.h>
66 #include <openssl/buffer.h>
67 #include <openssl/pem.h>
69 X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
79 X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE);
85 ri->version->length=1;
86 ri->version->data=(unsigned char *)OPENSSL_malloc(1);
87 if (ri->version->data == NULL) goto err;
88 ri->version->data[0]=0; /* version == 0 */
90 if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x)))
93 pktmp = X509_get_pubkey(x);
94 i=X509_REQ_set_pubkey(ret,pktmp);
100 if (!X509_REQ_sign(ret,pkey,md))
109 EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
111 if ((req == NULL) || (req->req_info == NULL))
113 return(X509_PUBKEY_get(req->req_info->pubkey));
116 /* It seems several organisations had the same idea of including a list of
117 * extensions in a certificate request. There are at least two OIDs that are
118 * used and there may be more: so the list is configurable.
121 static int ext_nid_list[] = { NID_ms_ext_req, NID_ext_req, NID_undef};
123 static int *ext_nids = ext_nid_list;
125 int X509_REQ_extension_nid(int req_nid)
130 if(nid == NID_undef) return 0;
131 else if (req_nid == nid) return 1;
135 int *X509_REQ_get_extension_nids(void)
140 void X509_REQ_set_extension_nids(int *nids)
145 STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
147 X509_ATTRIBUTE *attr;
148 STACK_OF(X509_ATTRIBUTE) *sk;
149 ASN1_TYPE *ext = NULL;
152 if ((req == NULL) || (req->req_info == NULL))
154 sk=req->req_info->attributes;
155 if (!sk) return NULL;
156 for(i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
157 attr = sk_X509_ATTRIBUTE_value(sk, i);
158 if(X509_REQ_extension_nid(OBJ_obj2nid(attr->object))) {
159 if(attr->single) ext = attr->value.single;
160 else if(sk_ASN1_TYPE_num(attr->value.set))
161 ext = sk_ASN1_TYPE_value(attr->value.set, 0);
165 if(!ext || (ext->type != V_ASN1_SEQUENCE)) return NULL;
166 p = ext->value.sequence->data;
167 return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
168 ext->value.sequence->length,
169 d2i_X509_EXTENSION, X509_EXTENSION_free,
170 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
173 /* Add a STACK_OF extensions to a certificate request: allow alternative OIDs
174 * in case we want to create a non standard one.
177 int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
180 unsigned char *p = NULL, *q;
182 ASN1_TYPE *at = NULL;
183 X509_ATTRIBUTE *attr = NULL;
184 if(!(at = ASN1_TYPE_new()) ||
185 !(at->value.sequence = ASN1_STRING_new())) goto err;
187 at->type = V_ASN1_SEQUENCE;
188 /* Generate encoding of extensions */
189 len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
190 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
191 if(!(p = OPENSSL_malloc(len))) goto err;
193 i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
194 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
195 at->value.sequence->data = p;
197 at->value.sequence->length = len;
198 if(!(attr = X509_ATTRIBUTE_new())) goto err;
199 if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
200 if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err;
203 attr->object = OBJ_nid2obj(nid);
204 if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err;
207 if(p) OPENSSL_free(p);
208 X509_ATTRIBUTE_free(attr);
212 /* This is the normal usage: use the "official" OID */
213 int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
215 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
218 /* Request attribute functions */
220 int X509_REQ_get_attr_count(const X509_REQ *req)
222 return X509at_get_attr_count(req->req_info->attributes);
225 int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,
228 return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
231 int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
234 return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
237 X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
239 return X509at_get_attr(req->req_info->attributes, loc);
242 X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
244 return X509at_delete_attr(req->req_info->attributes, loc);
247 int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
249 if(X509at_add1_attr(&req->req_info->attributes, attr)) return 1;
253 int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
254 const ASN1_OBJECT *obj, int type,
255 const unsigned char *bytes, int len)
257 if(X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
258 type, bytes, len)) return 1;
262 int X509_REQ_add1_attr_by_NID(X509_REQ *req,
264 const unsigned char *bytes, int len)
266 if(X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
267 type, bytes, len)) return 1;
271 int X509_REQ_add1_attr_by_txt(X509_REQ *req,
272 const char *attrname, int type,
273 const unsigned char *bytes, int len)
275 if(X509at_add1_attr_by_txt(&req->req_info->attributes, attrname,
276 type, bytes, len)) return 1;