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d02b48c6 | 1 | /* crypto/x509/x509_req.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/bn.h> |
62 | #include <openssl/evp.h> | |
63 | #include <openssl/asn1.h> | |
3c07d3a3 | 64 | #include <openssl/asn1t.h> |
ec577822 BM |
65 | #include <openssl/x509.h> |
66 | #include <openssl/objects.h> | |
67 | #include <openssl/buffer.h> | |
68 | #include <openssl/pem.h> | |
d02b48c6 | 69 | |
9868232a | 70 | X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) |
0f113f3e MC |
71 | { |
72 | X509_REQ *ret; | |
73 | X509_REQ_INFO *ri; | |
74 | int i; | |
75 | EVP_PKEY *pktmp; | |
76 | ||
77 | ret = X509_REQ_new(); | |
78 | if (ret == NULL) { | |
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) | |
88 | goto err; | |
89 | ri->version->data[0] = 0; /* version == 0 */ | |
90 | ||
91 | if (!X509_REQ_set_subject_name(ret, X509_get_subject_name(x))) | |
92 | goto err; | |
93 | ||
94 | pktmp = X509_get_pubkey(x); | |
28a00bcd DSH |
95 | if (pktmp == NULL) |
96 | goto err; | |
0f113f3e MC |
97 | i = X509_REQ_set_pubkey(ret, pktmp); |
98 | EVP_PKEY_free(pktmp); | |
99 | if (!i) | |
100 | goto err; | |
101 | ||
102 | if (pkey != NULL) { | |
103 | if (!X509_REQ_sign(ret, pkey, md)) | |
104 | goto err; | |
105 | } | |
106 | return (ret); | |
107 | err: | |
108 | X509_REQ_free(ret); | |
109 | return (NULL); | |
110 | } | |
d02b48c6 | 111 | |
6b691a5c | 112 | EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) |
0f113f3e MC |
113 | { |
114 | if ((req == NULL) || (req->req_info == NULL)) | |
115 | return (NULL); | |
116 | return (X509_PUBKEY_get(req->req_info->pubkey)); | |
117 | } | |
d02b48c6 | 118 | |
e6526fbf | 119 | int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k) |
0f113f3e MC |
120 | { |
121 | EVP_PKEY *xk = NULL; | |
122 | int ok = 0; | |
123 | ||
124 | xk = X509_REQ_get_pubkey(x); | |
125 | switch (EVP_PKEY_cmp(xk, k)) { | |
126 | case 1: | |
127 | ok = 1; | |
128 | break; | |
129 | case 0: | |
130 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
131 | X509_R_KEY_VALUES_MISMATCH); | |
132 | break; | |
133 | case -1: | |
134 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH); | |
135 | break; | |
136 | case -2: | |
e6526fbf | 137 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
138 | if (k->type == EVP_PKEY_EC) { |
139 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB); | |
140 | break; | |
141 | } | |
e6526fbf RL |
142 | #endif |
143 | #ifndef OPENSSL_NO_DH | |
0f113f3e MC |
144 | if (k->type == EVP_PKEY_DH) { |
145 | /* No idea */ | |
146 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
147 | X509_R_CANT_CHECK_DH_KEY); | |
148 | break; | |
149 | } | |
e6526fbf | 150 | #endif |
0f113f3e MC |
151 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE); |
152 | } | |
e6526fbf | 153 | |
0f113f3e MC |
154 | EVP_PKEY_free(xk); |
155 | return (ok); | |
156 | } | |
e6526fbf | 157 | |
0f113f3e MC |
158 | /* |
159 | * It seems several organisations had the same idea of including a list of | |
87c49f62 DSH |
160 | * extensions in a certificate request. There are at least two OIDs that are |
161 | * used and there may be more: so the list is configurable. | |
162 | */ | |
163 | ||
0f113f3e | 164 | static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef }; |
87c49f62 DSH |
165 | |
166 | static int *ext_nids = ext_nid_list; | |
167 | ||
168 | int X509_REQ_extension_nid(int req_nid) | |
169 | { | |
0f113f3e MC |
170 | int i, nid; |
171 | for (i = 0;; i++) { | |
172 | nid = ext_nids[i]; | |
173 | if (nid == NID_undef) | |
174 | return 0; | |
175 | else if (req_nid == nid) | |
176 | return 1; | |
177 | } | |
87c49f62 DSH |
178 | } |
179 | ||
657e60fa | 180 | int *X509_REQ_get_extension_nids(void) |
87c49f62 | 181 | { |
0f113f3e | 182 | return ext_nids; |
87c49f62 | 183 | } |
0f113f3e | 184 | |
87c49f62 DSH |
185 | void X509_REQ_set_extension_nids(int *nids) |
186 | { | |
0f113f3e | 187 | ext_nids = nids; |
87c49f62 DSH |
188 | } |
189 | ||
190 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) | |
0f113f3e MC |
191 | { |
192 | X509_ATTRIBUTE *attr; | |
193 | ASN1_TYPE *ext = NULL; | |
194 | int idx, *pnid; | |
195 | const unsigned char *p; | |
196 | ||
197 | if ((req == NULL) || (req->req_info == NULL) || !ext_nids) | |
198 | return (NULL); | |
199 | for (pnid = ext_nids; *pnid != NID_undef; pnid++) { | |
200 | idx = X509_REQ_get_attr_by_NID(req, *pnid, -1); | |
201 | if (idx == -1) | |
202 | continue; | |
203 | attr = X509_REQ_get_attr(req, idx); | |
9b0a4531 | 204 | ext = X509_ATTRIBUTE_get0_type(attr, 0); |
0f113f3e MC |
205 | break; |
206 | } | |
207 | if (!ext || (ext->type != V_ASN1_SEQUENCE)) | |
208 | return NULL; | |
209 | p = ext->value.sequence->data; | |
210 | return (STACK_OF(X509_EXTENSION) *) | |
211 | ASN1_item_d2i(NULL, &p, ext->value.sequence->length, | |
212 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
87c49f62 | 213 | } |
fd520577 | 214 | |
0f113f3e MC |
215 | /* |
216 | * Add a STACK_OF extensions to a certificate request: allow alternative OIDs | |
fd520577 DSH |
217 | * in case we want to create a non standard one. |
218 | */ | |
219 | ||
220 | int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts, | |
0f113f3e | 221 | int nid) |
fd520577 | 222 | { |
9b0a4531 DSH |
223 | int extlen; |
224 | int rv = 0; | |
225 | unsigned char *ext = NULL; | |
0f113f3e | 226 | /* Generate encoding of extensions */ |
9b0a4531 DSH |
227 | extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext, |
228 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
229 | if (extlen <= 0) | |
230 | return 0; | |
231 | rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen); | |
232 | OPENSSL_free(ext); | |
233 | return rv; | |
fd520577 | 234 | } |
0f113f3e | 235 | |
fd520577 DSH |
236 | /* This is the normal usage: use the "official" OID */ |
237 | int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts) | |
238 | { | |
0f113f3e | 239 | return X509_REQ_add_extensions_nid(req, exts, NID_ext_req); |
fd520577 | 240 | } |
77b47b90 DSH |
241 | |
242 | /* Request attribute functions */ | |
243 | ||
244 | int X509_REQ_get_attr_count(const X509_REQ *req) | |
245 | { | |
0f113f3e | 246 | return X509at_get_attr_count(req->req_info->attributes); |
77b47b90 DSH |
247 | } |
248 | ||
0f113f3e | 249 | int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos) |
77b47b90 | 250 | { |
0f113f3e | 251 | return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos); |
77b47b90 DSH |
252 | } |
253 | ||
254 | int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj, | |
0f113f3e | 255 | int lastpos) |
77b47b90 | 256 | { |
0f113f3e | 257 | return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos); |
77b47b90 DSH |
258 | } |
259 | ||
260 | X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc) | |
261 | { | |
0f113f3e | 262 | return X509at_get_attr(req->req_info->attributes, loc); |
77b47b90 DSH |
263 | } |
264 | ||
265 | X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc) | |
266 | { | |
0f113f3e | 267 | return X509at_delete_attr(req->req_info->attributes, loc); |
77b47b90 DSH |
268 | } |
269 | ||
c7cb16a8 | 270 | int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr) |
77b47b90 | 271 | { |
0f113f3e MC |
272 | if (X509at_add1_attr(&req->req_info->attributes, attr)) |
273 | return 1; | |
274 | return 0; | |
77b47b90 DSH |
275 | } |
276 | ||
c7cb16a8 | 277 | int X509_REQ_add1_attr_by_OBJ(X509_REQ *req, |
0f113f3e MC |
278 | const ASN1_OBJECT *obj, int type, |
279 | const unsigned char *bytes, int len) | |
77b47b90 | 280 | { |
0f113f3e MC |
281 | if (X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj, |
282 | type, bytes, len)) | |
283 | return 1; | |
284 | return 0; | |
77b47b90 DSH |
285 | } |
286 | ||
c7cb16a8 | 287 | int X509_REQ_add1_attr_by_NID(X509_REQ *req, |
0f113f3e MC |
288 | int nid, int type, |
289 | const unsigned char *bytes, int len) | |
77b47b90 | 290 | { |
0f113f3e MC |
291 | if (X509at_add1_attr_by_NID(&req->req_info->attributes, nid, |
292 | type, bytes, len)) | |
293 | return 1; | |
294 | return 0; | |
77b47b90 DSH |
295 | } |
296 | ||
c7cb16a8 | 297 | int X509_REQ_add1_attr_by_txt(X509_REQ *req, |
0f113f3e MC |
298 | const char *attrname, int type, |
299 | const unsigned char *bytes, int len) | |
77b47b90 | 300 | { |
0f113f3e MC |
301 | if (X509at_add1_attr_by_txt(&req->req_info->attributes, attrname, |
302 | type, bytes, len)) | |
303 | return 1; | |
304 | return 0; | |
77b47b90 | 305 | } |