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diff --git a/src/lib/libcrypto/x509/x509_req.c b/src/lib/libcrypto/x509/x509_req.c
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1/* crypto/x509/x509_req.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
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>
68
69X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
70 {
71 X509_REQ *ret;
72 X509_REQ_INFO *ri;
73 int i;
74 EVP_PKEY *pktmp;
75
76 ret=X509_REQ_new();
77 if (ret == NULL)
78 {
79 X509err(X509_F_X509_TO_X509_REQ,ERR_R_MALLOC_FAILURE);
80 goto err;
81 }
82
83 ri=ret->req_info;
84
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 */
89
90 if (!X509_REQ_set_subject_name(ret,X509_get_subject_name(x)))
91 goto err;
92
93 pktmp = X509_get_pubkey(x);
94 i=X509_REQ_set_pubkey(ret,pktmp);
95 EVP_PKEY_free(pktmp);
96 if (!i) goto err;
97
98 if (pkey != NULL)
99 {
100 if (!X509_REQ_sign(ret,pkey,md))
101 goto err;
102 }
103 return(ret);
104err:
105 X509_REQ_free(ret);
106 return(NULL);
107 }
108
109EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
110 {
111 if ((req == NULL) || (req->req_info == NULL))
112 return(NULL);
113 return(X509_PUBKEY_get(req->req_info->pubkey));
114 }
115
116int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
117 {
118 EVP_PKEY *xk=NULL;
119 int ok=0;
120
121 xk=X509_REQ_get_pubkey(x);
122 switch (EVP_PKEY_cmp(xk, k))
123 {
124 case 1:
125 ok=1;
126 break;
127 case 0:
128 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
129 break;
130 case -1:
131 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
132 break;
133 case -2:
134#ifndef OPENSSL_NO_EC
135 if (k->type == EVP_PKEY_EC)
136 {
137 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
138 break;
139 }
140#endif
141#ifndef OPENSSL_NO_DH
142 if (k->type == EVP_PKEY_DH)
143 {
144 /* No idea */
145 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY);
146 break;
147 }
148#endif
149 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
150 }
151
152 EVP_PKEY_free(xk);
153 return(ok);
154 }
155
156/* It seems several organisations had the same idea of including a list of
157 * extensions in a certificate request. There are at least two OIDs that are
158 * used and there may be more: so the list is configurable.
159 */
160
161static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef};
162
163static int *ext_nids = ext_nid_list;
164
165int X509_REQ_extension_nid(int req_nid)
166{
167 int i, nid;
168 for(i = 0; ; i++) {
169 nid = ext_nids[i];
170 if(nid == NID_undef) return 0;
171 else if (req_nid == nid) return 1;
172 }
173}
174
175int *X509_REQ_get_extension_nids(void)
176{
177 return ext_nids;
178}
179
180void X509_REQ_set_extension_nids(int *nids)
181{
182 ext_nids = nids;
183}
184
185STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
186 {
187 X509_ATTRIBUTE *attr;
188 ASN1_TYPE *ext = NULL;
189 int idx, *pnid;
190 const unsigned char *p;
191
192 if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
193 return(NULL);
194 for (pnid = ext_nids; *pnid != NID_undef; pnid++)
195 {
196 idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
197 if (idx == -1)
198 continue;
199 attr = X509_REQ_get_attr(req, idx);
200 if(attr->single) ext = attr->value.single;
201 else if(sk_ASN1_TYPE_num(attr->value.set))
202 ext = sk_ASN1_TYPE_value(attr->value.set, 0);
203 break;
204 }
205 if(!ext || (ext->type != V_ASN1_SEQUENCE))
206 return NULL;
207 p = ext->value.sequence->data;
208 return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
209 ext->value.sequence->length,
210 d2i_X509_EXTENSION, X509_EXTENSION_free,
211 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
212}
213
214/* Add a STACK_OF extensions to a certificate request: allow alternative OIDs
215 * in case we want to create a non standard one.
216 */
217
218int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
219 int nid)
220{
221 unsigned char *p = NULL, *q;
222 long len;
223 ASN1_TYPE *at = NULL;
224 X509_ATTRIBUTE *attr = NULL;
225 if(!(at = ASN1_TYPE_new()) ||
226 !(at->value.sequence = ASN1_STRING_new())) goto err;
227
228 at->type = V_ASN1_SEQUENCE;
229 /* Generate encoding of extensions */
230 len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
231 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
232 if(!(p = OPENSSL_malloc(len))) goto err;
233 q = p;
234 i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
235 V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, IS_SEQUENCE);
236 at->value.sequence->data = p;
237 p = NULL;
238 at->value.sequence->length = len;
239 if(!(attr = X509_ATTRIBUTE_new())) goto err;
240 if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err;
241 if(!sk_ASN1_TYPE_push(attr->value.set, at)) goto err;
242 at = NULL;
243 attr->single = 0;
244 attr->object = OBJ_nid2obj(nid);
245 if (!req->req_info->attributes)
246 {
247 if (!(req->req_info->attributes = sk_X509_ATTRIBUTE_new_null()))
248 goto err;
249 }
250 if(!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr)) goto err;
251 return 1;
252 err:
253 if(p) OPENSSL_free(p);
254 X509_ATTRIBUTE_free(attr);
255 ASN1_TYPE_free(at);
256 return 0;
257}
258/* This is the normal usage: use the "official" OID */
259int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
260{
261 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
262}
263
264/* Request attribute functions */
265
266int X509_REQ_get_attr_count(const X509_REQ *req)
267{
268 return X509at_get_attr_count(req->req_info->attributes);
269}
270
271int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid,
272 int lastpos)
273{
274 return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
275}
276
277int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
278 int lastpos)
279{
280 return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
281}
282
283X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
284{
285 return X509at_get_attr(req->req_info->attributes, loc);
286}
287
288X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
289{
290 return X509at_delete_attr(req->req_info->attributes, loc);
291}
292
293int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
294{
295 if(X509at_add1_attr(&req->req_info->attributes, attr)) return 1;
296 return 0;
297}
298
299int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
300 const ASN1_OBJECT *obj, int type,
301 const unsigned char *bytes, int len)
302{
303 if(X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
304 type, bytes, len)) return 1;
305 return 0;
306}
307
308int X509_REQ_add1_attr_by_NID(X509_REQ *req,
309 int nid, int type,
310 const unsigned char *bytes, int len)
311{
312 if(X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
313 type, bytes, len)) return 1;
314 return 0;
315}
316
317int X509_REQ_add1_attr_by_txt(X509_REQ *req,
318 const char *attrname, int type,
319 const unsigned char *bytes, int len)
320{
321 if(X509at_add1_attr_by_txt(&req->req_info->attributes, attrname,
322 type, bytes, len)) return 1;
323 return 0;
324}
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