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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
ec577822 BM |
60 | #include <openssl/bn.h> |
61 | #include <openssl/evp.h> | |
62 | #include <openssl/asn1.h> | |
3c07d3a3 | 63 | #include <openssl/asn1t.h> |
ec577822 | 64 | #include <openssl/x509.h> |
124055a9 | 65 | #include "internal/x509_int.h" |
ec577822 BM |
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 | ||
95ed0e7c | 83 | ri = &ret->req_info; |
0f113f3e MC |
84 | |
85 | ri->version->length = 1; | |
b196e7d9 | 86 | ri->version->data = OPENSSL_malloc(1); |
0f113f3e MC |
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 | ||
8382fd3a | 94 | pktmp = X509_get0_pubkey(x); |
28a00bcd DSH |
95 | if (pktmp == NULL) |
96 | goto err; | |
0f113f3e | 97 | i = X509_REQ_set_pubkey(ret, pktmp); |
0f113f3e MC |
98 | if (!i) |
99 | goto err; | |
100 | ||
101 | if (pkey != NULL) { | |
102 | if (!X509_REQ_sign(ret, pkey, md)) | |
103 | goto err; | |
104 | } | |
105 | return (ret); | |
106 | err: | |
107 | X509_REQ_free(ret); | |
108 | return (NULL); | |
109 | } | |
d02b48c6 | 110 | |
6b691a5c | 111 | EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req) |
0f113f3e | 112 | { |
95ed0e7c | 113 | if (req == NULL) |
0f113f3e | 114 | return (NULL); |
95ed0e7c | 115 | return (X509_PUBKEY_get(req->req_info.pubkey)); |
0f113f3e | 116 | } |
d02b48c6 | 117 | |
1f143e08 DSH |
118 | X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req) |
119 | { | |
120 | return req->req_info.pubkey; | |
121 | } | |
122 | ||
e6526fbf | 123 | int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k) |
0f113f3e MC |
124 | { |
125 | EVP_PKEY *xk = NULL; | |
126 | int ok = 0; | |
127 | ||
128 | xk = X509_REQ_get_pubkey(x); | |
129 | switch (EVP_PKEY_cmp(xk, k)) { | |
130 | case 1: | |
131 | ok = 1; | |
132 | break; | |
133 | case 0: | |
134 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
135 | X509_R_KEY_VALUES_MISMATCH); | |
136 | break; | |
137 | case -1: | |
138 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH); | |
139 | break; | |
140 | case -2: | |
e6526fbf | 141 | #ifndef OPENSSL_NO_EC |
3aeb9348 | 142 | if (EVP_PKEY_id(k) == EVP_PKEY_EC) { |
0f113f3e MC |
143 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB); |
144 | break; | |
145 | } | |
e6526fbf RL |
146 | #endif |
147 | #ifndef OPENSSL_NO_DH | |
3aeb9348 | 148 | if (EVP_PKEY_id(k) == EVP_PKEY_DH) { |
0f113f3e MC |
149 | /* No idea */ |
150 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, | |
151 | X509_R_CANT_CHECK_DH_KEY); | |
152 | break; | |
153 | } | |
e6526fbf | 154 | #endif |
0f113f3e MC |
155 | X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE); |
156 | } | |
e6526fbf | 157 | |
0f113f3e MC |
158 | EVP_PKEY_free(xk); |
159 | return (ok); | |
160 | } | |
e6526fbf | 161 | |
0f113f3e MC |
162 | /* |
163 | * It seems several organisations had the same idea of including a list of | |
87c49f62 DSH |
164 | * extensions in a certificate request. There are at least two OIDs that are |
165 | * used and there may be more: so the list is configurable. | |
166 | */ | |
167 | ||
0f113f3e | 168 | static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef }; |
87c49f62 DSH |
169 | |
170 | static int *ext_nids = ext_nid_list; | |
171 | ||
172 | int X509_REQ_extension_nid(int req_nid) | |
173 | { | |
0f113f3e MC |
174 | int i, nid; |
175 | for (i = 0;; i++) { | |
176 | nid = ext_nids[i]; | |
177 | if (nid == NID_undef) | |
178 | return 0; | |
179 | else if (req_nid == nid) | |
180 | return 1; | |
181 | } | |
87c49f62 DSH |
182 | } |
183 | ||
657e60fa | 184 | int *X509_REQ_get_extension_nids(void) |
87c49f62 | 185 | { |
0f113f3e | 186 | return ext_nids; |
87c49f62 | 187 | } |
0f113f3e | 188 | |
87c49f62 DSH |
189 | void X509_REQ_set_extension_nids(int *nids) |
190 | { | |
0f113f3e | 191 | ext_nids = nids; |
87c49f62 DSH |
192 | } |
193 | ||
194 | STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req) | |
0f113f3e MC |
195 | { |
196 | X509_ATTRIBUTE *attr; | |
197 | ASN1_TYPE *ext = NULL; | |
198 | int idx, *pnid; | |
199 | const unsigned char *p; | |
200 | ||
95ed0e7c | 201 | if ((req == NULL) || !ext_nids) |
0f113f3e MC |
202 | return (NULL); |
203 | for (pnid = ext_nids; *pnid != NID_undef; pnid++) { | |
204 | idx = X509_REQ_get_attr_by_NID(req, *pnid, -1); | |
205 | if (idx == -1) | |
206 | continue; | |
207 | attr = X509_REQ_get_attr(req, idx); | |
9b0a4531 | 208 | ext = X509_ATTRIBUTE_get0_type(attr, 0); |
0f113f3e MC |
209 | break; |
210 | } | |
211 | if (!ext || (ext->type != V_ASN1_SEQUENCE)) | |
212 | return NULL; | |
213 | p = ext->value.sequence->data; | |
214 | return (STACK_OF(X509_EXTENSION) *) | |
215 | ASN1_item_d2i(NULL, &p, ext->value.sequence->length, | |
216 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
87c49f62 | 217 | } |
fd520577 | 218 | |
0f113f3e MC |
219 | /* |
220 | * Add a STACK_OF extensions to a certificate request: allow alternative OIDs | |
fd520577 DSH |
221 | * in case we want to create a non standard one. |
222 | */ | |
223 | ||
224 | int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts, | |
0f113f3e | 225 | int nid) |
fd520577 | 226 | { |
9b0a4531 DSH |
227 | int extlen; |
228 | int rv = 0; | |
229 | unsigned char *ext = NULL; | |
0f113f3e | 230 | /* Generate encoding of extensions */ |
9b0a4531 DSH |
231 | extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext, |
232 | ASN1_ITEM_rptr(X509_EXTENSIONS)); | |
233 | if (extlen <= 0) | |
234 | return 0; | |
235 | rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen); | |
236 | OPENSSL_free(ext); | |
237 | return rv; | |
fd520577 | 238 | } |
0f113f3e | 239 | |
fd520577 DSH |
240 | /* This is the normal usage: use the "official" OID */ |
241 | int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts) | |
242 | { | |
0f113f3e | 243 | return X509_REQ_add_extensions_nid(req, exts, NID_ext_req); |
fd520577 | 244 | } |
77b47b90 DSH |
245 | |
246 | /* Request attribute functions */ | |
247 | ||
248 | int X509_REQ_get_attr_count(const X509_REQ *req) | |
249 | { | |
95ed0e7c | 250 | return X509at_get_attr_count(req->req_info.attributes); |
77b47b90 DSH |
251 | } |
252 | ||
0f113f3e | 253 | int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos) |
77b47b90 | 254 | { |
95ed0e7c | 255 | return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos); |
77b47b90 DSH |
256 | } |
257 | ||
258 | int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj, | |
0f113f3e | 259 | int lastpos) |
77b47b90 | 260 | { |
95ed0e7c | 261 | return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos); |
77b47b90 DSH |
262 | } |
263 | ||
264 | X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc) | |
265 | { | |
95ed0e7c | 266 | return X509at_get_attr(req->req_info.attributes, loc); |
77b47b90 DSH |
267 | } |
268 | ||
269 | X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc) | |
270 | { | |
95ed0e7c | 271 | return X509at_delete_attr(req->req_info.attributes, loc); |
77b47b90 DSH |
272 | } |
273 | ||
c7cb16a8 | 274 | int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr) |
77b47b90 | 275 | { |
95ed0e7c | 276 | if (X509at_add1_attr(&req->req_info.attributes, attr)) |
0f113f3e MC |
277 | return 1; |
278 | return 0; | |
77b47b90 DSH |
279 | } |
280 | ||
c7cb16a8 | 281 | int X509_REQ_add1_attr_by_OBJ(X509_REQ *req, |
0f113f3e MC |
282 | const ASN1_OBJECT *obj, int type, |
283 | const unsigned char *bytes, int len) | |
77b47b90 | 284 | { |
95ed0e7c | 285 | if (X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj, |
0f113f3e MC |
286 | type, bytes, len)) |
287 | return 1; | |
288 | return 0; | |
77b47b90 DSH |
289 | } |
290 | ||
c7cb16a8 | 291 | int X509_REQ_add1_attr_by_NID(X509_REQ *req, |
0f113f3e MC |
292 | int nid, int type, |
293 | const unsigned char *bytes, int len) | |
77b47b90 | 294 | { |
95ed0e7c | 295 | if (X509at_add1_attr_by_NID(&req->req_info.attributes, nid, |
0f113f3e MC |
296 | type, bytes, len)) |
297 | return 1; | |
298 | return 0; | |
77b47b90 DSH |
299 | } |
300 | ||
c7cb16a8 | 301 | int X509_REQ_add1_attr_by_txt(X509_REQ *req, |
0f113f3e MC |
302 | const char *attrname, int type, |
303 | const unsigned char *bytes, int len) | |
77b47b90 | 304 | { |
95ed0e7c | 305 | if (X509at_add1_attr_by_txt(&req->req_info.attributes, attrname, |
0f113f3e MC |
306 | type, bytes, len)) |
307 | return 1; | |
308 | return 0; | |
77b47b90 | 309 | } |
124055a9 DSH |
310 | |
311 | long X509_REQ_get_version(X509_REQ *req) | |
312 | { | |
95ed0e7c | 313 | return ASN1_INTEGER_get(req->req_info.version); |
124055a9 DSH |
314 | } |
315 | ||
316 | X509_NAME *X509_REQ_get_subject_name(X509_REQ *req) | |
317 | { | |
95ed0e7c | 318 | return req->req_info.subject; |
124055a9 | 319 | } |
a9732d04 DSH |
320 | |
321 | void X509_REQ_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg, | |
322 | X509_REQ *req) | |
323 | { | |
75ef61d7 | 324 | if (psig != NULL) |
a9732d04 | 325 | *psig = req->signature; |
75ef61d7 | 326 | if (palg != NULL) |
a9732d04 DSH |
327 | *palg = &req->sig_alg; |
328 | } | |
329 | ||
330 | int X509_REQ_get_signature_nid(const X509_REQ *req) | |
331 | { | |
332 | return OBJ_obj2nid(req->sig_alg.algorithm); | |
333 | } | |
334 | ||
335 | int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp) | |
336 | { | |
337 | req->req_info.enc.modified = 1; | |
338 | return i2d_X509_REQ_INFO(&req->req_info, pp); | |
339 | } |