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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> | |
b39fc560 | 60 | #include "internal/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 | 65 | #include <openssl/x509.h> |
124055a9 | 66 | #include "internal/x509_int.h" |
ec577822 BM |
67 | #include <openssl/objects.h> |
68 | #include <openssl/buffer.h> | |
69 | #include <openssl/pem.h> | |
d02b48c6 | 70 | |
9868232a | 71 | X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md) |
0f113f3e MC |
72 | { |
73 | X509_REQ *ret; | |
74 | X509_REQ_INFO *ri; | |
75 | int i; | |
76 | EVP_PKEY *pktmp; | |
77 | ||
78 | ret = X509_REQ_new(); | |
79 | if (ret == NULL) { | |
80 | X509err(X509_F_X509_TO_X509_REQ, ERR_R_MALLOC_FAILURE); | |
81 | goto err; | |
82 | } | |
83 | ||
95ed0e7c | 84 | ri = &ret->req_info; |
0f113f3e MC |
85 | |
86 | ri->version->length = 1; | |
b196e7d9 | 87 | ri->version->data = OPENSSL_malloc(1); |
0f113f3e MC |
88 | if (ri->version->data == NULL) |
89 | goto err; | |
90 | ri->version->data[0] = 0; /* version == 0 */ | |
91 | ||
92 | if (!X509_REQ_set_subject_name(ret, X509_get_subject_name(x))) | |
93 | goto err; | |
94 | ||
8382fd3a | 95 | pktmp = X509_get0_pubkey(x); |
28a00bcd DSH |
96 | if (pktmp == NULL) |
97 | goto err; | |
0f113f3e | 98 | i = X509_REQ_set_pubkey(ret, pktmp); |
0f113f3e MC |
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 | 113 | { |
95ed0e7c | 114 | if (req == NULL) |
0f113f3e | 115 | return (NULL); |
95ed0e7c | 116 | return (X509_PUBKEY_get(req->req_info.pubkey)); |
0f113f3e | 117 | } |
d02b48c6 | 118 | |
1f143e08 DSH |
119 | X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req) |
120 | { | |
121 | return req->req_info.pubkey; | |
122 | } | |
123 | ||
e6526fbf | 124 | int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k) |
0f113f3e MC |
125 | { |
126 | EVP_PKEY *xk = NULL; | |
127 | int ok = 0; | |
128 | ||
129 | xk = X509_REQ_get_pubkey(x); | |
130 | switch (EVP_PKEY_cmp(xk, k)) { | |
131 | case 1: | |
132 | ok = 1; | |
133 | break; | |
134 | case 0: | |
135 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
136 | X509_R_KEY_VALUES_MISMATCH); | |
137 | break; | |
138 | case -1: | |
139 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH); | |
140 | break; | |
141 | case -2: | |
e6526fbf | 142 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
143 | if (k->type == EVP_PKEY_EC) { |
144 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB); | |
145 | break; | |
146 | } | |
e6526fbf RL |
147 | #endif |
148 | #ifndef OPENSSL_NO_DH | |
0f113f3e MC |
149 | if (k->type == EVP_PKEY_DH) { |
150 | /* No idea */ | |
151 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
152 | X509_R_CANT_CHECK_DH_KEY); | |
153 | break; | |
154 | } | |
e6526fbf | 155 | #endif |
0f113f3e MC |
156 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE); |
157 | } | |
e6526fbf | 158 | |
0f113f3e MC |
159 | EVP_PKEY_free(xk); |
160 | return (ok); | |
161 | } | |
e6526fbf | 162 | |
0f113f3e MC |
163 | /* |
164 | * It seems several organisations had the same idea of including a list of | |
87c49f62 DSH |
165 | * extensions in a certificate request. There are at least two OIDs that are |
166 | * used and there may be more: so the list is configurable. | |
167 | */ | |
168 | ||
0f113f3e | 169 | static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef }; |
87c49f62 DSH |
170 | |
171 | static int *ext_nids = ext_nid_list; | |
172 | ||
173 | int X509_REQ_extension_nid(int req_nid) | |
174 | { | |
0f113f3e MC |
175 | int i, nid; |
176 | for (i = 0;; i++) { | |
177 | nid = ext_nids[i]; | |
178 | if (nid == NID_undef) | |
179 | return 0; | |
180 | else if (req_nid == nid) | |
181 | return 1; | |
182 | } | |
87c49f62 DSH |
183 | } |
184 | ||
657e60fa | 185 | int *X509_REQ_get_extension_nids(void) |
87c49f62 | 186 | { |
0f113f3e | 187 | return ext_nids; |
87c49f62 | 188 | } |
0f113f3e | 189 | |
87c49f62 DSH |
190 | void X509_REQ_set_extension_nids(int *nids) |
191 | { | |
0f113f3e | 192 | ext_nids = nids; |
87c49f62 DSH |
193 | } |
194 | ||
195 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) | |
0f113f3e MC |
196 | { |
197 | X509_ATTRIBUTE *attr; | |
198 | ASN1_TYPE *ext = NULL; | |
199 | int idx, *pnid; | |
200 | const unsigned char *p; | |
201 | ||
95ed0e7c | 202 | if ((req == NULL) || !ext_nids) |
0f113f3e MC |
203 | return (NULL); |
204 | for (pnid = ext_nids; *pnid != NID_undef; pnid++) { | |
205 | idx = X509_REQ_get_attr_by_NID(req, *pnid, -1); | |
206 | if (idx == -1) | |
207 | continue; | |
208 | attr = X509_REQ_get_attr(req, idx); | |
9b0a4531 | 209 | ext = X509_ATTRIBUTE_get0_type(attr, 0); |
0f113f3e MC |
210 | break; |
211 | } | |
212 | if (!ext || (ext->type != V_ASN1_SEQUENCE)) | |
213 | return NULL; | |
214 | p = ext->value.sequence->data; | |
215 | return (STACK_OF(X509_EXTENSION) *) | |
216 | ASN1_item_d2i(NULL, &p, ext->value.sequence->length, | |
217 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
87c49f62 | 218 | } |
fd520577 | 219 | |
0f113f3e MC |
220 | /* |
221 | * Add a STACK_OF extensions to a certificate request: allow alternative OIDs | |
fd520577 DSH |
222 | * in case we want to create a non standard one. |
223 | */ | |
224 | ||
225 | int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts, | |
0f113f3e | 226 | int nid) |
fd520577 | 227 | { |
9b0a4531 DSH |
228 | int extlen; |
229 | int rv = 0; | |
230 | unsigned char *ext = NULL; | |
0f113f3e | 231 | /* Generate encoding of extensions */ |
9b0a4531 DSH |
232 | extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext, |
233 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
234 | if (extlen <= 0) | |
235 | return 0; | |
236 | rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen); | |
237 | OPENSSL_free(ext); | |
238 | return rv; | |
fd520577 | 239 | } |
0f113f3e | 240 | |
fd520577 DSH |
241 | /* This is the normal usage: use the "official" OID */ |
242 | int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts) | |
243 | { | |
0f113f3e | 244 | return X509_REQ_add_extensions_nid(req, exts, NID_ext_req); |
fd520577 | 245 | } |
77b47b90 DSH |
246 | |
247 | /* Request attribute functions */ | |
248 | ||
249 | int X509_REQ_get_attr_count(const X509_REQ *req) | |
250 | { | |
95ed0e7c | 251 | return X509at_get_attr_count(req->req_info.attributes); |
77b47b90 DSH |
252 | } |
253 | ||
0f113f3e | 254 | int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos) |
77b47b90 | 255 | { |
95ed0e7c | 256 | return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos); |
77b47b90 DSH |
257 | } |
258 | ||
259 | int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj, | |
0f113f3e | 260 | int lastpos) |
77b47b90 | 261 | { |
95ed0e7c | 262 | return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos); |
77b47b90 DSH |
263 | } |
264 | ||
265 | X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc) | |
266 | { | |
95ed0e7c | 267 | return X509at_get_attr(req->req_info.attributes, loc); |
77b47b90 DSH |
268 | } |
269 | ||
270 | X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc) | |
271 | { | |
95ed0e7c | 272 | return X509at_delete_attr(req->req_info.attributes, loc); |
77b47b90 DSH |
273 | } |
274 | ||
c7cb16a8 | 275 | int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr) |
77b47b90 | 276 | { |
95ed0e7c | 277 | if (X509at_add1_attr(&req->req_info.attributes, attr)) |
0f113f3e MC |
278 | return 1; |
279 | return 0; | |
77b47b90 DSH |
280 | } |
281 | ||
c7cb16a8 | 282 | int X509_REQ_add1_attr_by_OBJ(X509_REQ *req, |
0f113f3e MC |
283 | const ASN1_OBJECT *obj, int type, |
284 | const unsigned char *bytes, int len) | |
77b47b90 | 285 | { |
95ed0e7c | 286 | if (X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj, |
0f113f3e MC |
287 | type, bytes, len)) |
288 | return 1; | |
289 | return 0; | |
77b47b90 DSH |
290 | } |
291 | ||
c7cb16a8 | 292 | int X509_REQ_add1_attr_by_NID(X509_REQ *req, |
0f113f3e MC |
293 | int nid, int type, |
294 | const unsigned char *bytes, int len) | |
77b47b90 | 295 | { |
95ed0e7c | 296 | if (X509at_add1_attr_by_NID(&req->req_info.attributes, nid, |
0f113f3e MC |
297 | type, bytes, len)) |
298 | return 1; | |
299 | return 0; | |
77b47b90 DSH |
300 | } |
301 | ||
c7cb16a8 | 302 | int X509_REQ_add1_attr_by_txt(X509_REQ *req, |
0f113f3e MC |
303 | const char *attrname, int type, |
304 | const unsigned char *bytes, int len) | |
77b47b90 | 305 | { |
95ed0e7c | 306 | if (X509at_add1_attr_by_txt(&req->req_info.attributes, attrname, |
0f113f3e MC |
307 | type, bytes, len)) |
308 | return 1; | |
309 | return 0; | |
77b47b90 | 310 | } |
124055a9 DSH |
311 | |
312 | long X509_REQ_get_version(X509_REQ *req) | |
313 | { | |
95ed0e7c | 314 | return ASN1_INTEGER_get(req->req_info.version); |
124055a9 DSH |
315 | } |
316 | ||
317 | X509_NAME *X509_REQ_get_subject_name(X509_REQ *req) | |
318 | { | |
95ed0e7c | 319 | return req->req_info.subject; |
124055a9 | 320 | } |
a9732d04 DSH |
321 | |
322 | void X509_REQ_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg, | |
323 | X509_REQ *req) | |
324 | { | |
75ef61d7 | 325 | if (psig != NULL) |
a9732d04 | 326 | *psig = req->signature; |
75ef61d7 | 327 | if (palg != NULL) |
a9732d04 DSH |
328 | *palg = &req->sig_alg; |
329 | } | |
330 | ||
331 | int X509_REQ_get_signature_nid(const X509_REQ *req) | |
332 | { | |
333 | return OBJ_obj2nid(req->sig_alg.algorithm); | |
334 | } | |
335 | ||
336 | int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp) | |
337 | { | |
338 | req->req_info.enc.modified = 1; | |
339 | return i2d_X509_REQ_INFO(&req->req_info, pp); | |
340 | } |