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-rw-r--r--src/lib/libcrypto/pkcs7/pk7_lib.c449
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diff --git a/src/lib/libcrypto/pkcs7/pk7_lib.c b/src/lib/libcrypto/pkcs7/pk7_lib.c
deleted file mode 100644
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1/* crypto/pkcs7/pk7_lib.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
8 *
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).
15 *
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.
22 *
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 :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
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.
52 *
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"
61#include <openssl/objects.h>
62#include <openssl/x509.h>
63
64long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
65 {
66 int nid;
67 long ret;
68
69 nid=OBJ_obj2nid(p7->type);
70
71 switch (cmd)
72 {
73 case PKCS7_OP_SET_DETACHED_SIGNATURE:
74 if (nid == NID_pkcs7_signed)
75 {
76 ret=p7->detached=(int)larg;
77 }
78 else
79 {
80 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
81 ret=0;
82 }
83 break;
84 case PKCS7_OP_GET_DETACHED_SIGNATURE:
85 if (nid == NID_pkcs7_signed)
86 {
87 ret=p7->detached;
88 }
89 else
90 {
91 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
92 ret=0;
93 }
94
95 break;
96 default:
97 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION);
98 ret=0;
99 }
100 return(ret);
101 }
102
103int PKCS7_content_new(PKCS7 *p7, int type)
104 {
105 PKCS7 *ret=NULL;
106
107 if ((ret=PKCS7_new()) == NULL) goto err;
108 if (!PKCS7_set_type(ret,type)) goto err;
109 if (!PKCS7_set_content(p7,ret)) goto err;
110
111 return(1);
112err:
113 if (ret != NULL) PKCS7_free(ret);
114 return(0);
115 }
116
117int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data)
118 {
119 int i;
120
121 i=OBJ_obj2nid(p7->type);
122 switch (i)
123 {
124 case NID_pkcs7_signed:
125 if (p7->d.sign->contents != NULL)
126 PKCS7_content_free(p7->d.sign->contents);
127 p7->d.sign->contents=p7_data;
128 break;
129 case NID_pkcs7_digest:
130 case NID_pkcs7_data:
131 case NID_pkcs7_enveloped:
132 case NID_pkcs7_signedAndEnveloped:
133 case NID_pkcs7_encrypted:
134 default:
135 PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
136 goto err;
137 }
138 return(1);
139err:
140 return(0);
141 }
142
143int PKCS7_set_type(PKCS7 *p7, int type)
144 {
145 ASN1_OBJECT *obj;
146
147 PKCS7_content_free(p7);
148 obj=OBJ_nid2obj(type); /* will not fail */
149
150 switch (type)
151 {
152 case NID_pkcs7_signed:
153 p7->type=obj;
154 if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL)
155 goto err;
156 ASN1_INTEGER_set(p7->d.sign->version,1);
157 break;
158 case NID_pkcs7_data:
159 p7->type=obj;
160 if ((p7->d.data=ASN1_OCTET_STRING_new()) == NULL)
161 goto err;
162 break;
163 case NID_pkcs7_signedAndEnveloped:
164 p7->type=obj;
165 if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new())
166 == NULL) goto err;
167 ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
168/* p7->d.signed_and_enveloped->enc_data->content_type=
169 OBJ_nid2obj(NID_pkcs7_encrypted);*/
170
171 break;
172 case NID_pkcs7_enveloped:
173 p7->type=obj;
174 if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
175 == NULL) goto err;
176 ASN1_INTEGER_set(p7->d.enveloped->version,0);
177 break;
178 case NID_pkcs7_digest:
179 case NID_pkcs7_encrypted:
180 default:
181 PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
182 goto err;
183 }
184 return(1);
185err:
186 return(0);
187 }
188
189int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi)
190 {
191 int i,j,nid;
192 X509_ALGOR *alg;
193 STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
194 STACK_OF(X509_ALGOR) *md_sk;
195
196 i=OBJ_obj2nid(p7->type);
197 switch (i)
198 {
199 case NID_pkcs7_signed:
200 signer_sk= p7->d.sign->signer_info;
201 md_sk= p7->d.sign->md_algs;
202 break;
203 case NID_pkcs7_signedAndEnveloped:
204 signer_sk= p7->d.signed_and_enveloped->signer_info;
205 md_sk= p7->d.signed_and_enveloped->md_algs;
206 break;
207 default:
208 PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
209 return(0);
210 }
211
212 nid=OBJ_obj2nid(psi->digest_alg->algorithm);
213
214 /* If the digest is not currently listed, add it */
215 j=0;
216 for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
217 {
218 alg=sk_X509_ALGOR_value(md_sk,i);
219 if (OBJ_obj2nid(alg->algorithm) == nid)
220 {
221 j=1;
222 break;
223 }
224 }
225 if (!j) /* we need to add another algorithm */
226 {
227 alg=X509_ALGOR_new();
228 alg->algorithm=OBJ_nid2obj(nid);
229 sk_X509_ALGOR_push(md_sk,alg);
230 }
231
232 sk_PKCS7_SIGNER_INFO_push(signer_sk,psi);
233 return(1);
234 }
235
236int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
237 {
238 int i;
239 STACK_OF(X509) **sk;
240
241 i=OBJ_obj2nid(p7->type);
242 switch (i)
243 {
244 case NID_pkcs7_signed:
245 sk= &(p7->d.sign->cert);
246 break;
247 case NID_pkcs7_signedAndEnveloped:
248 sk= &(p7->d.signed_and_enveloped->cert);
249 break;
250 default:
251 PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
252 return(0);
253 }
254
255 if (*sk == NULL)
256 *sk=sk_X509_new_null();
257 CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
258 sk_X509_push(*sk,x509);
259 return(1);
260 }
261
262int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
263 {
264 int i;
265 STACK_OF(X509_CRL) **sk;
266
267 i=OBJ_obj2nid(p7->type);
268 switch (i)
269 {
270 case NID_pkcs7_signed:
271 sk= &(p7->d.sign->crl);
272 break;
273 case NID_pkcs7_signedAndEnveloped:
274 sk= &(p7->d.signed_and_enveloped->crl);
275 break;
276 default:
277 PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
278 return(0);
279 }
280
281 if (*sk == NULL)
282 *sk=sk_X509_CRL_new_null();
283
284 CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
285 sk_X509_CRL_push(*sk,crl);
286 return(1);
287 }
288
289int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
290 EVP_MD *dgst)
291 {
292 /* We now need to add another PKCS7_SIGNER_INFO entry */
293 ASN1_INTEGER_set(p7i->version,1);
294 X509_NAME_set(&p7i->issuer_and_serial->issuer,
295 X509_get_issuer_name(x509));
296
297 /* because ASN1_INTEGER_set is used to set a 'long' we will do
298 * things the ugly way. */
299 ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
300 p7i->issuer_and_serial->serial=
301 ASN1_INTEGER_dup(X509_get_serialNumber(x509));
302
303 /* lets keep the pkey around for a while */
304 CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
305 p7i->pkey=pkey;
306
307 /* Set the algorithms */
308 if (pkey->type == EVP_PKEY_DSA)
309 p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
310 else
311 p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));
312
313 if (p7i->digest_alg->parameter != NULL)
314 ASN1_TYPE_free(p7i->digest_alg->parameter);
315 if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL)
316 goto err;
317 p7i->digest_alg->parameter->type=V_ASN1_NULL;
318
319 p7i->digest_enc_alg->algorithm=OBJ_nid2obj(EVP_PKEY_type(pkey->type));
320
321 if (p7i->digest_enc_alg->parameter != NULL)
322 ASN1_TYPE_free(p7i->digest_enc_alg->parameter);
323 if ((p7i->digest_enc_alg->parameter=ASN1_TYPE_new()) == NULL)
324 goto err;
325 p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;
326
327 return(1);
328err:
329 return(0);
330 }
331
332PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey,
333 EVP_MD *dgst)
334 {
335 PKCS7_SIGNER_INFO *si;
336
337 if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
338 if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
339 if (!PKCS7_add_signer(p7,si)) goto err;
340 return(si);
341err:
342 return(NULL);
343 }
344
345STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7)
346 {
347 if (PKCS7_type_is_signed(p7))
348 {
349 return(p7->d.sign->signer_info);
350 }
351 else if (PKCS7_type_is_signedAndEnveloped(p7))
352 {
353 return(p7->d.signed_and_enveloped->signer_info);
354 }
355 else
356 return(NULL);
357 }
358
359PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509)
360 {
361 PKCS7_RECIP_INFO *ri;
362
363 if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
364 if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
365 if (!PKCS7_add_recipient_info(p7,ri)) goto err;
366 return(ri);
367err:
368 return(NULL);
369 }
370
371int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
372 {
373 int i;
374 STACK_OF(PKCS7_RECIP_INFO) *sk;
375
376 i=OBJ_obj2nid(p7->type);
377 switch (i)
378 {
379 case NID_pkcs7_signedAndEnveloped:
380 sk= p7->d.signed_and_enveloped->recipientinfo;
381 break;
382 case NID_pkcs7_enveloped:
383 sk= p7->d.enveloped->recipientinfo;
384 break;
385 default:
386 PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
387 return(0);
388 }
389
390 sk_PKCS7_RECIP_INFO_push(sk,ri);
391 return(1);
392 }
393
394int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
395 {
396 ASN1_INTEGER_set(p7i->version,0);
397 X509_NAME_set(&p7i->issuer_and_serial->issuer,
398 X509_get_issuer_name(x509));
399
400 ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
401 p7i->issuer_and_serial->serial=
402 ASN1_INTEGER_dup(X509_get_serialNumber(x509));
403
404 X509_ALGOR_free(p7i->key_enc_algor);
405 p7i->key_enc_algor=(X509_ALGOR *)ASN1_dup(i2d_X509_ALGOR,
406 (char *(*)())d2i_X509_ALGOR,
407 (char *)x509->cert_info->key->algor);
408
409 CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
410 p7i->cert=x509;
411
412 return(1);
413 }
414
415X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
416 {
417 if (PKCS7_type_is_signed(p7))
418 return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
419 si->issuer_and_serial->issuer,
420 si->issuer_and_serial->serial));
421 else
422 return(NULL);
423 }
424
425int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher)
426 {
427 int i;
428 PKCS7_ENC_CONTENT *ec;
429
430 i=OBJ_obj2nid(p7->type);
431 switch (i)
432 {
433 case NID_pkcs7_signedAndEnveloped:
434 ec=p7->d.signed_and_enveloped->enc_data;
435 break;
436 case NID_pkcs7_enveloped:
437 ec=p7->d.enveloped->enc_data;
438 break;
439 default:
440 PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
441 return(0);
442 }
443
444 /* Setup cipher OID */
445
446 ec->cipher = cipher;
447 return 1;
448 }
449
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