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