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d02b48c6 | 1 | /* crypto/pkcs7/pk7_lib.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/objects.h> |
62 | #include <openssl/x509.h> | |
5fe736e5 | 63 | #include "internal/asn1_int.h" |
3aeb9348 | 64 | #include "internal/evp_int.h" |
d02b48c6 | 65 | |
6b691a5c | 66 | long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg) |
0f113f3e MC |
67 | { |
68 | int nid; | |
69 | long ret; | |
70 | ||
71 | nid = OBJ_obj2nid(p7->type); | |
72 | ||
73 | switch (cmd) { | |
c225c3cf | 74 | /* NOTE(emilia): does not support detached digested data. */ |
0f113f3e MC |
75 | case PKCS7_OP_SET_DETACHED_SIGNATURE: |
76 | if (nid == NID_pkcs7_signed) { | |
77 | ret = p7->detached = (int)larg; | |
78 | if (ret && PKCS7_type_is_data(p7->d.sign->contents)) { | |
79 | ASN1_OCTET_STRING *os; | |
80 | os = p7->d.sign->contents->d.data; | |
81 | ASN1_OCTET_STRING_free(os); | |
82 | p7->d.sign->contents->d.data = NULL; | |
83 | } | |
84 | } else { | |
85 | PKCS7err(PKCS7_F_PKCS7_CTRL, | |
86 | PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); | |
87 | ret = 0; | |
88 | } | |
89 | break; | |
90 | case PKCS7_OP_GET_DETACHED_SIGNATURE: | |
91 | if (nid == NID_pkcs7_signed) { | |
92 | if (!p7->d.sign || !p7->d.sign->contents->d.ptr) | |
93 | ret = 1; | |
94 | else | |
95 | ret = 0; | |
96 | ||
97 | p7->detached = ret; | |
98 | } else { | |
99 | PKCS7err(PKCS7_F_PKCS7_CTRL, | |
100 | PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); | |
101 | ret = 0; | |
102 | } | |
103 | ||
104 | break; | |
105 | default: | |
106 | PKCS7err(PKCS7_F_PKCS7_CTRL, PKCS7_R_UNKNOWN_OPERATION); | |
107 | ret = 0; | |
108 | } | |
109 | return (ret); | |
110 | } | |
d02b48c6 | 111 | |
6b691a5c | 112 | int PKCS7_content_new(PKCS7 *p7, int type) |
0f113f3e MC |
113 | { |
114 | PKCS7 *ret = NULL; | |
115 | ||
116 | if ((ret = PKCS7_new()) == NULL) | |
117 | goto err; | |
118 | if (!PKCS7_set_type(ret, type)) | |
119 | goto err; | |
120 | if (!PKCS7_set_content(p7, ret)) | |
121 | goto err; | |
122 | ||
123 | return (1); | |
124 | err: | |
e0e920b1 | 125 | PKCS7_free(ret); |
0f113f3e MC |
126 | return (0); |
127 | } | |
d02b48c6 | 128 | |
6b691a5c | 129 | int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data) |
0f113f3e MC |
130 | { |
131 | int i; | |
132 | ||
133 | i = OBJ_obj2nid(p7->type); | |
134 | switch (i) { | |
135 | case NID_pkcs7_signed: | |
e0e920b1 | 136 | PKCS7_free(p7->d.sign->contents); |
0f113f3e MC |
137 | p7->d.sign->contents = p7_data; |
138 | break; | |
139 | case NID_pkcs7_digest: | |
e0e920b1 | 140 | PKCS7_free(p7->d.digest->contents); |
0f113f3e MC |
141 | p7->d.digest->contents = p7_data; |
142 | break; | |
143 | case NID_pkcs7_data: | |
144 | case NID_pkcs7_enveloped: | |
145 | case NID_pkcs7_signedAndEnveloped: | |
146 | case NID_pkcs7_encrypted: | |
147 | default: | |
148 | PKCS7err(PKCS7_F_PKCS7_SET_CONTENT, PKCS7_R_UNSUPPORTED_CONTENT_TYPE); | |
149 | goto err; | |
150 | } | |
151 | return (1); | |
152 | err: | |
153 | return (0); | |
154 | } | |
d02b48c6 | 155 | |
6b691a5c | 156 | int PKCS7_set_type(PKCS7 *p7, int type) |
0f113f3e MC |
157 | { |
158 | ASN1_OBJECT *obj; | |
159 | ||
160 | /* | |
161 | * PKCS7_content_free(p7); | |
162 | */ | |
163 | obj = OBJ_nid2obj(type); /* will not fail */ | |
164 | ||
165 | switch (type) { | |
166 | case NID_pkcs7_signed: | |
167 | p7->type = obj; | |
168 | if ((p7->d.sign = PKCS7_SIGNED_new()) == NULL) | |
169 | goto err; | |
170 | if (!ASN1_INTEGER_set(p7->d.sign->version, 1)) { | |
171 | PKCS7_SIGNED_free(p7->d.sign); | |
172 | p7->d.sign = NULL; | |
173 | goto err; | |
174 | } | |
175 | break; | |
176 | case NID_pkcs7_data: | |
177 | p7->type = obj; | |
f422a514 | 178 | if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL) |
0f113f3e MC |
179 | goto err; |
180 | break; | |
181 | case NID_pkcs7_signedAndEnveloped: | |
182 | p7->type = obj; | |
183 | if ((p7->d.signed_and_enveloped = PKCS7_SIGN_ENVELOPE_new()) | |
184 | == NULL) | |
185 | goto err; | |
186 | ASN1_INTEGER_set(p7->d.signed_and_enveloped->version, 1); | |
187 | if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version, 1)) | |
188 | goto err; | |
189 | p7->d.signed_and_enveloped->enc_data->content_type | |
190 | = OBJ_nid2obj(NID_pkcs7_data); | |
191 | break; | |
192 | case NID_pkcs7_enveloped: | |
193 | p7->type = obj; | |
194 | if ((p7->d.enveloped = PKCS7_ENVELOPE_new()) | |
195 | == NULL) | |
196 | goto err; | |
197 | if (!ASN1_INTEGER_set(p7->d.enveloped->version, 0)) | |
198 | goto err; | |
199 | p7->d.enveloped->enc_data->content_type = OBJ_nid2obj(NID_pkcs7_data); | |
200 | break; | |
201 | case NID_pkcs7_encrypted: | |
202 | p7->type = obj; | |
203 | if ((p7->d.encrypted = PKCS7_ENCRYPT_new()) | |
204 | == NULL) | |
205 | goto err; | |
206 | if (!ASN1_INTEGER_set(p7->d.encrypted->version, 0)) | |
207 | goto err; | |
208 | p7->d.encrypted->enc_data->content_type = OBJ_nid2obj(NID_pkcs7_data); | |
209 | break; | |
210 | ||
211 | case NID_pkcs7_digest: | |
212 | p7->type = obj; | |
213 | if ((p7->d.digest = PKCS7_DIGEST_new()) | |
214 | == NULL) | |
215 | goto err; | |
216 | if (!ASN1_INTEGER_set(p7->d.digest->version, 0)) | |
217 | goto err; | |
218 | break; | |
219 | default: | |
220 | PKCS7err(PKCS7_F_PKCS7_SET_TYPE, PKCS7_R_UNSUPPORTED_CONTENT_TYPE); | |
221 | goto err; | |
222 | } | |
223 | return (1); | |
224 | err: | |
225 | return (0); | |
226 | } | |
d02b48c6 | 227 | |
8d9086df | 228 | int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other) |
0f113f3e MC |
229 | { |
230 | p7->type = OBJ_nid2obj(type); | |
231 | p7->d.other = other; | |
232 | return 1; | |
233 | } | |
8d9086df | 234 | |
6b691a5c | 235 | int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi) |
0f113f3e MC |
236 | { |
237 | int i, j, nid; | |
238 | X509_ALGOR *alg; | |
239 | STACK_OF(PKCS7_SIGNER_INFO) *signer_sk; | |
240 | STACK_OF(X509_ALGOR) *md_sk; | |
241 | ||
242 | i = OBJ_obj2nid(p7->type); | |
243 | switch (i) { | |
244 | case NID_pkcs7_signed: | |
245 | signer_sk = p7->d.sign->signer_info; | |
246 | md_sk = p7->d.sign->md_algs; | |
247 | break; | |
248 | case NID_pkcs7_signedAndEnveloped: | |
249 | signer_sk = p7->d.signed_and_enveloped->signer_info; | |
250 | md_sk = p7->d.signed_and_enveloped->md_algs; | |
251 | break; | |
252 | default: | |
253 | PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER, PKCS7_R_WRONG_CONTENT_TYPE); | |
254 | return (0); | |
255 | } | |
256 | ||
257 | nid = OBJ_obj2nid(psi->digest_alg->algorithm); | |
258 | ||
259 | /* If the digest is not currently listed, add it */ | |
260 | j = 0; | |
261 | for (i = 0; i < sk_X509_ALGOR_num(md_sk); i++) { | |
262 | alg = sk_X509_ALGOR_value(md_sk, i); | |
263 | if (OBJ_obj2nid(alg->algorithm) == nid) { | |
264 | j = 1; | |
265 | break; | |
266 | } | |
267 | } | |
268 | if (!j) { /* we need to add another algorithm */ | |
75ebbd9a RS |
269 | if ((alg = X509_ALGOR_new()) == NULL |
270 | || (alg->parameter = ASN1_TYPE_new()) == NULL) { | |
0f113f3e MC |
271 | X509_ALGOR_free(alg); |
272 | PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER, ERR_R_MALLOC_FAILURE); | |
273 | return (0); | |
274 | } | |
275 | alg->algorithm = OBJ_nid2obj(nid); | |
276 | alg->parameter->type = V_ASN1_NULL; | |
277 | if (!sk_X509_ALGOR_push(md_sk, alg)) { | |
278 | X509_ALGOR_free(alg); | |
279 | return 0; | |
280 | } | |
281 | } | |
282 | ||
283 | if (!sk_PKCS7_SIGNER_INFO_push(signer_sk, psi)) | |
284 | return 0; | |
285 | return (1); | |
286 | } | |
d02b48c6 | 287 | |
6b691a5c | 288 | int PKCS7_add_certificate(PKCS7 *p7, X509 *x509) |
0f113f3e MC |
289 | { |
290 | int i; | |
291 | STACK_OF(X509) **sk; | |
292 | ||
293 | i = OBJ_obj2nid(p7->type); | |
294 | switch (i) { | |
295 | case NID_pkcs7_signed: | |
296 | sk = &(p7->d.sign->cert); | |
297 | break; | |
298 | case NID_pkcs7_signedAndEnveloped: | |
299 | sk = &(p7->d.signed_and_enveloped->cert); | |
300 | break; | |
301 | default: | |
302 | PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE, PKCS7_R_WRONG_CONTENT_TYPE); | |
303 | return (0); | |
304 | } | |
305 | ||
306 | if (*sk == NULL) | |
307 | *sk = sk_X509_new_null(); | |
308 | if (*sk == NULL) { | |
309 | PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE, ERR_R_MALLOC_FAILURE); | |
310 | return 0; | |
311 | } | |
05f0fb9f | 312 | X509_up_ref(x509); |
0f113f3e MC |
313 | if (!sk_X509_push(*sk, x509)) { |
314 | X509_free(x509); | |
315 | return 0; | |
316 | } | |
317 | return (1); | |
318 | } | |
d02b48c6 | 319 | |
6b691a5c | 320 | int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl) |
0f113f3e MC |
321 | { |
322 | int i; | |
323 | STACK_OF(X509_CRL) **sk; | |
324 | ||
325 | i = OBJ_obj2nid(p7->type); | |
326 | switch (i) { | |
327 | case NID_pkcs7_signed: | |
328 | sk = &(p7->d.sign->crl); | |
329 | break; | |
330 | case NID_pkcs7_signedAndEnveloped: | |
331 | sk = &(p7->d.signed_and_enveloped->crl); | |
332 | break; | |
333 | default: | |
334 | PKCS7err(PKCS7_F_PKCS7_ADD_CRL, PKCS7_R_WRONG_CONTENT_TYPE); | |
335 | return (0); | |
336 | } | |
337 | ||
338 | if (*sk == NULL) | |
339 | *sk = sk_X509_CRL_new_null(); | |
340 | if (*sk == NULL) { | |
341 | PKCS7err(PKCS7_F_PKCS7_ADD_CRL, ERR_R_MALLOC_FAILURE); | |
342 | return 0; | |
343 | } | |
344 | ||
65cbf983 | 345 | X509_CRL_up_ref(crl); |
0f113f3e MC |
346 | if (!sk_X509_CRL_push(*sk, crl)) { |
347 | X509_CRL_free(crl); | |
348 | return 0; | |
349 | } | |
350 | return (1); | |
351 | } | |
d02b48c6 | 352 | |
6b691a5c | 353 | int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey, |
0f113f3e MC |
354 | const EVP_MD *dgst) |
355 | { | |
356 | int ret; | |
357 | ||
358 | /* We now need to add another PKCS7_SIGNER_INFO entry */ | |
359 | if (!ASN1_INTEGER_set(p7i->version, 1)) | |
360 | goto err; | |
361 | if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | |
362 | X509_get_issuer_name(x509))) | |
363 | goto err; | |
364 | ||
365 | /* | |
366 | * because ASN1_INTEGER_set is used to set a 'long' we will do things the | |
367 | * ugly way. | |
368 | */ | |
f422a514 | 369 | ASN1_INTEGER_free(p7i->issuer_and_serial->serial); |
0f113f3e | 370 | if (!(p7i->issuer_and_serial->serial = |
f422a514 | 371 | ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) |
0f113f3e MC |
372 | goto err; |
373 | ||
374 | /* lets keep the pkey around for a while */ | |
3aeb9348 | 375 | EVP_PKEY_up_ref(pkey); |
0f113f3e MC |
376 | p7i->pkey = pkey; |
377 | ||
378 | /* Set the algorithms */ | |
379 | ||
380 | X509_ALGOR_set0(p7i->digest_alg, OBJ_nid2obj(EVP_MD_type(dgst)), | |
381 | V_ASN1_NULL, NULL); | |
382 | ||
383 | if (pkey->ameth && pkey->ameth->pkey_ctrl) { | |
384 | ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN, 0, p7i); | |
385 | if (ret > 0) | |
386 | return 1; | |
387 | if (ret != -2) { | |
388 | PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET, | |
389 | PKCS7_R_SIGNING_CTRL_FAILURE); | |
390 | return 0; | |
391 | } | |
392 | } | |
393 | PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET, | |
394 | PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
395 | err: | |
396 | return 0; | |
397 | } | |
d02b48c6 | 398 | |
6b691a5c | 399 | PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey, |
0f113f3e MC |
400 | const EVP_MD *dgst) |
401 | { | |
402 | PKCS7_SIGNER_INFO *si = NULL; | |
403 | ||
404 | if (dgst == NULL) { | |
405 | int def_nid; | |
406 | if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0) | |
407 | goto err; | |
408 | dgst = EVP_get_digestbynid(def_nid); | |
409 | if (dgst == NULL) { | |
410 | PKCS7err(PKCS7_F_PKCS7_ADD_SIGNATURE, PKCS7_R_NO_DEFAULT_DIGEST); | |
411 | goto err; | |
412 | } | |
413 | } | |
414 | ||
415 | if ((si = PKCS7_SIGNER_INFO_new()) == NULL) | |
416 | goto err; | |
417 | if (!PKCS7_SIGNER_INFO_set(si, x509, pkey, dgst)) | |
418 | goto err; | |
419 | if (!PKCS7_add_signer(p7, si)) | |
420 | goto err; | |
421 | return (si); | |
422 | err: | |
e0e920b1 | 423 | PKCS7_SIGNER_INFO_free(si); |
0f113f3e MC |
424 | return (NULL); |
425 | } | |
d02b48c6 | 426 | |
c5a55463 | 427 | int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md) |
0f113f3e MC |
428 | { |
429 | if (PKCS7_type_is_digest(p7)) { | |
75ebbd9a | 430 | if ((p7->d.digest->md->parameter = ASN1_TYPE_new()) == NULL) { |
0f113f3e MC |
431 | PKCS7err(PKCS7_F_PKCS7_SET_DIGEST, ERR_R_MALLOC_FAILURE); |
432 | return 0; | |
433 | } | |
434 | p7->d.digest->md->parameter->type = V_ASN1_NULL; | |
435 | p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md)); | |
436 | return 1; | |
437 | } | |
438 | ||
439 | PKCS7err(PKCS7_F_PKCS7_SET_DIGEST, PKCS7_R_WRONG_CONTENT_TYPE); | |
440 | return 1; | |
441 | } | |
c5a55463 | 442 | |
b05b50e6 | 443 | STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7) |
0f113f3e | 444 | { |
c225c3cf EK |
445 | if (p7 == NULL || p7->d.ptr == NULL) |
446 | return NULL; | |
0f113f3e MC |
447 | if (PKCS7_type_is_signed(p7)) { |
448 | return (p7->d.sign->signer_info); | |
449 | } else if (PKCS7_type_is_signedAndEnveloped(p7)) { | |
450 | return (p7->d.signed_and_enveloped->signer_info); | |
451 | } else | |
452 | return (NULL); | |
453 | } | |
d02b48c6 | 454 | |
492a9e24 | 455 | void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk, |
0f113f3e MC |
456 | X509_ALGOR **pdig, X509_ALGOR **psig) |
457 | { | |
458 | if (pk) | |
459 | *pk = si->pkey; | |
460 | if (pdig) | |
461 | *pdig = si->digest_alg; | |
462 | if (psig) | |
463 | *psig = si->digest_enc_alg; | |
464 | } | |
492a9e24 | 465 | |
e4b21c74 | 466 | void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc) |
0f113f3e MC |
467 | { |
468 | if (penc) | |
469 | *penc = ri->key_enc_algor; | |
470 | } | |
e4b21c74 | 471 | |
6b691a5c | 472 | PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509) |
0f113f3e MC |
473 | { |
474 | PKCS7_RECIP_INFO *ri; | |
475 | ||
476 | if ((ri = PKCS7_RECIP_INFO_new()) == NULL) | |
477 | goto err; | |
478 | if (!PKCS7_RECIP_INFO_set(ri, x509)) | |
479 | goto err; | |
480 | if (!PKCS7_add_recipient_info(p7, ri)) | |
481 | goto err; | |
482 | return ri; | |
483 | err: | |
e0e920b1 | 484 | PKCS7_RECIP_INFO_free(ri); |
0f113f3e MC |
485 | return NULL; |
486 | } | |
58964a49 | 487 | |
6b691a5c | 488 | int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri) |
0f113f3e MC |
489 | { |
490 | int i; | |
491 | STACK_OF(PKCS7_RECIP_INFO) *sk; | |
492 | ||
493 | i = OBJ_obj2nid(p7->type); | |
494 | switch (i) { | |
495 | case NID_pkcs7_signedAndEnveloped: | |
496 | sk = p7->d.signed_and_enveloped->recipientinfo; | |
497 | break; | |
498 | case NID_pkcs7_enveloped: | |
499 | sk = p7->d.enveloped->recipientinfo; | |
500 | break; | |
501 | default: | |
502 | PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO, | |
503 | PKCS7_R_WRONG_CONTENT_TYPE); | |
504 | return (0); | |
505 | } | |
506 | ||
507 | if (!sk_PKCS7_RECIP_INFO_push(sk, ri)) | |
508 | return 0; | |
509 | return (1); | |
510 | } | |
58964a49 | 511 | |
6b691a5c | 512 | int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509) |
0f113f3e MC |
513 | { |
514 | int ret; | |
515 | EVP_PKEY *pkey = NULL; | |
516 | if (!ASN1_INTEGER_set(p7i->version, 0)) | |
517 | return 0; | |
518 | if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | |
519 | X509_get_issuer_name(x509))) | |
520 | return 0; | |
521 | ||
f422a514 | 522 | ASN1_INTEGER_free(p7i->issuer_and_serial->serial); |
0f113f3e | 523 | if (!(p7i->issuer_and_serial->serial = |
f422a514 | 524 | ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) |
0f113f3e MC |
525 | return 0; |
526 | ||
8382fd3a | 527 | pkey = X509_get0_pubkey(x509); |
0f113f3e MC |
528 | |
529 | if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl) { | |
530 | PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
531 | PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
532 | goto err; | |
533 | } | |
534 | ||
535 | ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_ENCRYPT, 0, p7i); | |
536 | if (ret == -2) { | |
537 | PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
538 | PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
539 | goto err; | |
540 | } | |
541 | if (ret <= 0) { | |
542 | PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
543 | PKCS7_R_ENCRYPTION_CTRL_FAILURE); | |
544 | goto err; | |
545 | } | |
546 | ||
05f0fb9f | 547 | X509_up_ref(x509); |
0f113f3e MC |
548 | p7i->cert = x509; |
549 | ||
550 | return 1; | |
551 | ||
552 | err: | |
0f113f3e MC |
553 | return 0; |
554 | } | |
58964a49 | 555 | |
6b691a5c | 556 | X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si) |
0f113f3e MC |
557 | { |
558 | if (PKCS7_type_is_signed(p7)) | |
559 | return (X509_find_by_issuer_and_serial(p7->d.sign->cert, | |
560 | si->issuer_and_serial->issuer, | |
561 | si-> | |
562 | issuer_and_serial->serial)); | |
563 | else | |
564 | return (NULL); | |
565 | } | |
d02b48c6 | 566 | |
84fa704c | 567 | int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher) |
0f113f3e MC |
568 | { |
569 | int i; | |
570 | PKCS7_ENC_CONTENT *ec; | |
571 | ||
572 | i = OBJ_obj2nid(p7->type); | |
573 | switch (i) { | |
574 | case NID_pkcs7_signedAndEnveloped: | |
575 | ec = p7->d.signed_and_enveloped->enc_data; | |
576 | break; | |
577 | case NID_pkcs7_enveloped: | |
578 | ec = p7->d.enveloped->enc_data; | |
579 | break; | |
580 | default: | |
581 | PKCS7err(PKCS7_F_PKCS7_SET_CIPHER, PKCS7_R_WRONG_CONTENT_TYPE); | |
582 | return (0); | |
583 | } | |
584 | ||
585 | /* Check cipher OID exists and has data in it */ | |
586 | i = EVP_CIPHER_type(cipher); | |
587 | if (i == NID_undef) { | |
588 | PKCS7err(PKCS7_F_PKCS7_SET_CIPHER, | |
589 | PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); | |
590 | return (0); | |
591 | } | |
592 | ||
593 | ec->cipher = cipher; | |
594 | return 1; | |
595 | } | |
58964a49 | 596 | |
11d8cdc6 | 597 | int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7) |
0f113f3e MC |
598 | { |
599 | ASN1_OCTET_STRING *os = NULL; | |
600 | ||
601 | switch (OBJ_obj2nid(p7->type)) { | |
602 | case NID_pkcs7_data: | |
603 | os = p7->d.data; | |
604 | break; | |
605 | ||
606 | case NID_pkcs7_signedAndEnveloped: | |
607 | os = p7->d.signed_and_enveloped->enc_data->enc_data; | |
608 | if (os == NULL) { | |
f422a514 | 609 | os = ASN1_OCTET_STRING_new(); |
0f113f3e MC |
610 | p7->d.signed_and_enveloped->enc_data->enc_data = os; |
611 | } | |
612 | break; | |
613 | ||
614 | case NID_pkcs7_enveloped: | |
615 | os = p7->d.enveloped->enc_data->enc_data; | |
616 | if (os == NULL) { | |
f422a514 | 617 | os = ASN1_OCTET_STRING_new(); |
0f113f3e MC |
618 | p7->d.enveloped->enc_data->enc_data = os; |
619 | } | |
620 | break; | |
621 | ||
622 | case NID_pkcs7_signed: | |
623 | os = p7->d.sign->contents->d.data; | |
624 | break; | |
625 | ||
626 | default: | |
627 | os = NULL; | |
628 | break; | |
629 | } | |
630 | ||
631 | if (os == NULL) | |
632 | return 0; | |
633 | ||
634 | os->flags |= ASN1_STRING_FLAG_NDEF; | |
635 | *boundary = &os->data; | |
636 | ||
637 | return 1; | |
638 | } |