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-rw-r--r--src/lib/libcrypto/pkcs7/pk7_smime.c469
1 files changed, 0 insertions, 469 deletions
diff --git a/src/lib/libcrypto/pkcs7/pk7_smime.c b/src/lib/libcrypto/pkcs7/pk7_smime.c
deleted file mode 100644
index 99a0d63f38..0000000000
--- a/src/lib/libcrypto/pkcs7/pk7_smime.c
+++ /dev/null
@@ -1,469 +0,0 @@
1/* pk7_smime.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999-2003 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59/* Simple PKCS#7 processing functions */
60
61#include <stdio.h>
62#include "cryptlib.h"
63#include <openssl/x509.h>
64#include <openssl/x509v3.h>
65
66PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
67 BIO *data, int flags)
68{
69 PKCS7 *p7;
70 PKCS7_SIGNER_INFO *si;
71 BIO *p7bio;
72 STACK_OF(X509_ALGOR) *smcap;
73 int i;
74
75 if(!X509_check_private_key(signcert, pkey)) {
76 PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
77 return NULL;
78 }
79
80 if(!(p7 = PKCS7_new())) {
81 PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
82 return NULL;
83 }
84
85 PKCS7_set_type(p7, NID_pkcs7_signed);
86
87 PKCS7_content_new(p7, NID_pkcs7_data);
88
89 if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha1()))) {
90 PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
91 return NULL;
92 }
93
94 if(!(flags & PKCS7_NOCERTS)) {
95 PKCS7_add_certificate(p7, signcert);
96 if(certs) for(i = 0; i < sk_X509_num(certs); i++)
97 PKCS7_add_certificate(p7, sk_X509_value(certs, i));
98 }
99
100 if(!(p7bio = PKCS7_dataInit(p7, NULL))) {
101 PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
102 return NULL;
103 }
104
105
106 SMIME_crlf_copy(data, p7bio, flags);
107
108 if(!(flags & PKCS7_NOATTR)) {
109 PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
110 V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data));
111 /* Add SMIMECapabilities */
112 if(!(flags & PKCS7_NOSMIMECAP))
113 {
114 if(!(smcap = sk_X509_ALGOR_new_null())) {
115 PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
116 return NULL;
117 }
118#ifndef OPENSSL_NO_DES
119 PKCS7_simple_smimecap (smcap, NID_des_ede3_cbc, -1);
120#endif
121#ifndef OPENSSL_NO_RC2
122 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 128);
123 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 64);
124#endif
125#ifndef OPENSSL_NO_DES
126 PKCS7_simple_smimecap (smcap, NID_des_cbc, -1);
127#endif
128#ifndef OPENSSL_NO_RC2
129 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 40);
130#endif
131 PKCS7_add_attrib_smimecap (si, smcap);
132 sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
133 }
134 }
135
136 if(flags & PKCS7_DETACHED)PKCS7_set_detached(p7, 1);
137
138 if (!PKCS7_dataFinal(p7,p7bio)) {
139 PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_DATASIGN);
140 return NULL;
141 }
142
143 BIO_free_all(p7bio);
144 return p7;
145}
146
147int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
148 BIO *indata, BIO *out, int flags)
149{
150 STACK_OF(X509) *signers;
151 X509 *signer;
152 STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
153 PKCS7_SIGNER_INFO *si;
154 X509_STORE_CTX cert_ctx;
155 char buf[4096];
156 int i, j=0, k, ret = 0;
157 BIO *p7bio;
158 BIO *tmpin, *tmpout;
159
160 if(!p7) {
161 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_INVALID_NULL_POINTER);
162 return 0;
163 }
164
165 if(!PKCS7_type_is_signed(p7)) {
166 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_WRONG_CONTENT_TYPE);
167 return 0;
168 }
169
170 /* Check for no data and no content: no data to verify signature */
171 if(PKCS7_get_detached(p7) && !indata) {
172 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_CONTENT);
173 return 0;
174 }
175#if 0
176 /* NB: this test commented out because some versions of Netscape
177 * illegally include zero length content when signing data.
178 */
179
180 /* Check for data and content: two sets of data */
181 if(!PKCS7_get_detached(p7) && indata) {
182 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CONTENT_AND_DATA_PRESENT);
183 return 0;
184 }
185#endif
186
187 sinfos = PKCS7_get_signer_info(p7);
188
189 if(!sinfos || !sk_PKCS7_SIGNER_INFO_num(sinfos)) {
190 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_SIGNATURES_ON_DATA);
191 return 0;
192 }
193
194
195 signers = PKCS7_get0_signers(p7, certs, flags);
196
197 if(!signers) return 0;
198
199 /* Now verify the certificates */
200
201 if (!(flags & PKCS7_NOVERIFY)) for (k = 0; k < sk_X509_num(signers); k++) {
202 signer = sk_X509_value (signers, k);
203 if (!(flags & PKCS7_NOCHAIN)) {
204 if(!X509_STORE_CTX_init(&cert_ctx, store, signer,
205 p7->d.sign->cert))
206 {
207 PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_X509_LIB);
208 sk_X509_free(signers);
209 return 0;
210 }
211 X509_STORE_CTX_set_purpose(&cert_ctx,
212 X509_PURPOSE_SMIME_SIGN);
213 } else if(!X509_STORE_CTX_init (&cert_ctx, store, signer, NULL)) {
214 PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_X509_LIB);
215 sk_X509_free(signers);
216 return 0;
217 }
218 i = X509_verify_cert(&cert_ctx);
219 if (i <= 0) j = X509_STORE_CTX_get_error(&cert_ctx);
220 X509_STORE_CTX_cleanup(&cert_ctx);
221 if (i <= 0) {
222 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CERTIFICATE_VERIFY_ERROR);
223 ERR_add_error_data(2, "Verify error:",
224 X509_verify_cert_error_string(j));
225 sk_X509_free(signers);
226 return 0;
227 }
228 /* Check for revocation status here */
229 }
230
231 /* Performance optimization: if the content is a memory BIO then
232 * store its contents in a temporary read only memory BIO. This
233 * avoids potentially large numbers of slow copies of data which will
234 * occur when reading from a read write memory BIO when signatures
235 * are calculated.
236 */
237
238 if (indata && (BIO_method_type(indata) == BIO_TYPE_MEM))
239 {
240 char *ptr;
241 long len;
242 len = BIO_get_mem_data(indata, &ptr);
243 tmpin = BIO_new_mem_buf(ptr, len);
244 if (tmpin == NULL)
245 {
246 PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_MALLOC_FAILURE);
247 return 0;
248 }
249 }
250 else
251 tmpin = indata;
252
253
254 p7bio=PKCS7_dataInit(p7,tmpin);
255
256 if(flags & PKCS7_TEXT) {
257 if(!(tmpout = BIO_new(BIO_s_mem()))) {
258 PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_MALLOC_FAILURE);
259 goto err;
260 }
261 } else tmpout = out;
262
263 /* We now have to 'read' from p7bio to calculate digests etc. */
264 for (;;)
265 {
266 i=BIO_read(p7bio,buf,sizeof(buf));
267 if (i <= 0) break;
268 if (tmpout) BIO_write(tmpout, buf, i);
269 }
270
271 if(flags & PKCS7_TEXT) {
272 if(!SMIME_text(tmpout, out)) {
273 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SMIME_TEXT_ERROR);
274 BIO_free(tmpout);
275 goto err;
276 }
277 BIO_free(tmpout);
278 }
279
280 /* Now Verify All Signatures */
281 if (!(flags & PKCS7_NOSIGS))
282 for (i=0; i<sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
283 {
284 si=sk_PKCS7_SIGNER_INFO_value(sinfos,i);
285 signer = sk_X509_value (signers, i);
286 j=PKCS7_signatureVerify(p7bio,p7,si, signer);
287 if (j <= 0) {
288 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SIGNATURE_FAILURE);
289 goto err;
290 }
291 }
292
293 ret = 1;
294
295 err:
296
297 if (tmpin == indata)
298 {
299 if (indata) BIO_pop(p7bio);
300 }
301 BIO_free_all(p7bio);
302
303 sk_X509_free(signers);
304
305 return ret;
306}
307
308STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags)
309{
310 STACK_OF(X509) *signers;
311 STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
312 PKCS7_SIGNER_INFO *si;
313 PKCS7_ISSUER_AND_SERIAL *ias;
314 X509 *signer;
315 int i;
316
317 if(!p7) {
318 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_INVALID_NULL_POINTER);
319 return NULL;
320 }
321
322 if(!PKCS7_type_is_signed(p7)) {
323 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_WRONG_CONTENT_TYPE);
324 return NULL;
325 }
326
327 /* Collect all the signers together */
328
329 sinfos = PKCS7_get_signer_info(p7);
330
331 if(sk_PKCS7_SIGNER_INFO_num(sinfos) <= 0) {
332 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_NO_SIGNERS);
333 return 0;
334 }
335
336 if(!(signers = sk_X509_new_null())) {
337 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,ERR_R_MALLOC_FAILURE);
338 return NULL;
339 }
340
341 for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
342 {
343 si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
344 ias = si->issuer_and_serial;
345 signer = NULL;
346 /* If any certificates passed they take priority */
347 if (certs) signer = X509_find_by_issuer_and_serial (certs,
348 ias->issuer, ias->serial);
349 if (!signer && !(flags & PKCS7_NOINTERN)
350 && p7->d.sign->cert) signer =
351 X509_find_by_issuer_and_serial (p7->d.sign->cert,
352 ias->issuer, ias->serial);
353 if (!signer) {
354 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND);
355 sk_X509_free(signers);
356 return 0;
357 }
358
359 sk_X509_push(signers, signer);
360 }
361 return signers;
362}
363
364
365/* Build a complete PKCS#7 enveloped data */
366
367PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
368 int flags)
369{
370 PKCS7 *p7;
371 BIO *p7bio = NULL;
372 int i;
373 X509 *x509;
374 if(!(p7 = PKCS7_new())) {
375 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
376 return NULL;
377 }
378
379 PKCS7_set_type(p7, NID_pkcs7_enveloped);
380 if(!PKCS7_set_cipher(p7, cipher)) {
381 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_ERROR_SETTING_CIPHER);
382 goto err;
383 }
384
385 for(i = 0; i < sk_X509_num(certs); i++) {
386 x509 = sk_X509_value(certs, i);
387 if(!PKCS7_add_recipient(p7, x509)) {
388 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,
389 PKCS7_R_ERROR_ADDING_RECIPIENT);
390 goto err;
391 }
392 }
393
394 if(!(p7bio = PKCS7_dataInit(p7, NULL))) {
395 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
396 goto err;
397 }
398
399 SMIME_crlf_copy(in, p7bio, flags);
400
401 BIO_flush(p7bio);
402
403 if (!PKCS7_dataFinal(p7,p7bio)) {
404 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_PKCS7_DATAFINAL_ERROR);
405 goto err;
406 }
407 BIO_free_all(p7bio);
408
409 return p7;
410
411 err:
412
413 BIO_free(p7bio);
414 PKCS7_free(p7);
415 return NULL;
416
417}
418
419int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags)
420{
421 BIO *tmpmem;
422 int ret, i;
423 char buf[4096];
424
425 if(!p7) {
426 PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_INVALID_NULL_POINTER);
427 return 0;
428 }
429
430 if(!PKCS7_type_is_enveloped(p7)) {
431 PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_WRONG_CONTENT_TYPE);
432 return 0;
433 }
434
435 if(!X509_check_private_key(cert, pkey)) {
436 PKCS7err(PKCS7_F_PKCS7_DECRYPT,
437 PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
438 return 0;
439 }
440
441 if(!(tmpmem = PKCS7_dataDecode(p7, pkey, NULL, cert))) {
442 PKCS7err(PKCS7_F_PKCS7_DECRYPT, PKCS7_R_DECRYPT_ERROR);
443 return 0;
444 }
445
446 if (flags & PKCS7_TEXT) {
447 BIO *tmpbuf, *bread;
448 /* Encrypt BIOs can't do BIO_gets() so add a buffer BIO */
449 if(!(tmpbuf = BIO_new(BIO_f_buffer()))) {
450 PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE);
451 return 0;
452 }
453 if(!(bread = BIO_push(tmpbuf, tmpmem))) {
454 PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE);
455 return 0;
456 }
457 ret = SMIME_text(bread, data);
458 BIO_free_all(bread);
459 return ret;
460 } else {
461 for(;;) {
462 i = BIO_read(tmpmem, buf, sizeof(buf));
463 if(i <= 0) break;
464 BIO_write(data, buf, i);
465 }
466 BIO_free_all(tmpmem);
467 return 1;
468 }
469}
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