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-rw-r--r--src/lib/libcrypto/pkcs7/pk7_smime.c427
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diff --git a/src/lib/libcrypto/pkcs7/pk7_smime.c b/src/lib/libcrypto/pkcs7/pk7_smime.c
deleted file mode 100644
index b41f42ed04..0000000000
--- a/src/lib/libcrypto/pkcs7/pk7_smime.c
+++ /dev/null
@@ -1,427 +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 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 *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(!(smcap = sk_new(NULL))) {
113 PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE);
114 return NULL;
115 }
116#ifndef NO_DES
117 PKCS7_simple_smimecap (smcap, NID_des_ede3_cbc, -1);
118#endif
119#ifndef NO_RC2
120 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 128);
121 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 64);
122#endif
123#ifndef NO_DES
124 PKCS7_simple_smimecap (smcap, NID_des_cbc, -1);
125#endif
126#ifndef NO_RC2
127 PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 40);
128#endif
129 PKCS7_add_attrib_smimecap (si, smcap);
130 sk_pop_free(smcap, X509_ALGOR_free);
131 }
132
133 if(flags & PKCS7_DETACHED)PKCS7_set_detached(p7, 1);
134
135 if (!PKCS7_dataFinal(p7,p7bio)) {
136 PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_DATASIGN);
137 return NULL;
138 }
139
140 BIO_free_all(p7bio);
141 return p7;
142}
143
144int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
145 BIO *indata, BIO *out, int flags)
146{
147 STACK_OF(X509) *signers;
148 X509 *signer;
149 STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
150 PKCS7_SIGNER_INFO *si;
151 X509_STORE_CTX cert_ctx;
152 char buf[4096];
153 int i, j=0;
154 BIO *p7bio;
155 BIO *tmpout;
156
157 if(!p7) {
158 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_INVALID_NULL_POINTER);
159 return 0;
160 }
161
162 if(!PKCS7_type_is_signed(p7)) {
163 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_WRONG_CONTENT_TYPE);
164 return 0;
165 }
166
167 /* Check for no data and no content: no data to verify signature */
168 if(PKCS7_get_detached(p7) && !indata) {
169 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_CONTENT);
170 return 0;
171 }
172
173 /* Check for data and content: two sets of data */
174 if(!PKCS7_get_detached(p7) && indata) {
175 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CONTENT_AND_DATA_PRESENT);
176 return 0;
177 }
178
179 sinfos = PKCS7_get_signer_info(p7);
180
181 if(!sinfos || !sk_PKCS7_SIGNER_INFO_num(sinfos)) {
182 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_SIGNATURES_ON_DATA);
183 return 0;
184 }
185
186
187 signers = PKCS7_get0_signers(p7, certs, flags);
188
189 if(!signers) return 0;
190
191 /* Now verify the certificates */
192
193 if (!(flags & PKCS7_NOVERIFY)) for (i = 0; i < sk_X509_num(signers); i++) {
194 signer = sk_X509_value (signers, i);
195 if (!(flags & PKCS7_NOCHAIN)) {
196 X509_STORE_CTX_init(&cert_ctx, store, signer,
197 p7->d.sign->cert);
198 X509_STORE_CTX_set_purpose(&cert_ctx,
199 X509_PURPOSE_SMIME_SIGN);
200 } else X509_STORE_CTX_init (&cert_ctx, store, signer, NULL);
201 i = X509_verify_cert(&cert_ctx);
202 if (i <= 0) j = X509_STORE_CTX_get_error(&cert_ctx);
203 X509_STORE_CTX_cleanup(&cert_ctx);
204 if (i <= 0) {
205 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CERTIFICATE_VERIFY_ERROR);
206 ERR_add_error_data(2, "Verify error:",
207 X509_verify_cert_error_string(j));
208 sk_X509_free(signers);
209 return 0;
210 }
211 /* Check for revocation status here */
212 }
213
214 p7bio=PKCS7_dataInit(p7,indata);
215
216 if(flags & PKCS7_TEXT) {
217 if(!(tmpout = BIO_new(BIO_s_mem()))) {
218 PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_MALLOC_FAILURE);
219 goto err;
220 }
221 } else tmpout = out;
222
223 /* We now have to 'read' from p7bio to calculate digests etc. */
224 for (;;)
225 {
226 i=BIO_read(p7bio,buf,sizeof(buf));
227 if (i <= 0) break;
228 if (tmpout) BIO_write(tmpout, buf, i);
229 }
230
231 if(flags & PKCS7_TEXT) {
232 if(!SMIME_text(tmpout, out)) {
233 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SMIME_TEXT_ERROR);
234 BIO_free(tmpout);
235 goto err;
236 }
237 BIO_free(tmpout);
238 }
239
240 /* Now Verify All Signatures */
241 if (!(flags & PKCS7_NOSIGS))
242 for (i=0; i<sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
243 {
244 si=sk_PKCS7_SIGNER_INFO_value(sinfos,i);
245 signer = sk_X509_value (signers, i);
246 j=PKCS7_signatureVerify(p7bio,p7,si, signer);
247 if (j <= 0) {
248 PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SIGNATURE_FAILURE);
249 goto err;
250 }
251 }
252
253 sk_X509_free(signers);
254 if(indata) BIO_pop(p7bio);
255 BIO_free_all(p7bio);
256
257 return 1;
258
259 err:
260
261 sk_X509_free(signers);
262 BIO_free(p7bio);
263
264 return 0;
265}
266
267STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags)
268{
269 STACK_OF(X509) *signers;
270 STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
271 PKCS7_SIGNER_INFO *si;
272 PKCS7_ISSUER_AND_SERIAL *ias;
273 X509 *signer;
274 int i;
275
276 if(!p7) {
277 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_INVALID_NULL_POINTER);
278 return NULL;
279 }
280
281 if(!PKCS7_type_is_signed(p7)) {
282 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_WRONG_CONTENT_TYPE);
283 return NULL;
284 }
285 if(!(signers = sk_X509_new(NULL))) {
286 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,ERR_R_MALLOC_FAILURE);
287 return NULL;
288 }
289
290 /* Collect all the signers together */
291
292 sinfos = PKCS7_get_signer_info(p7);
293
294 if(sk_PKCS7_SIGNER_INFO_num(sinfos) <= 0) {
295 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_NO_SIGNERS);
296 return 0;
297 }
298
299 for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++)
300 {
301 si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
302 ias = si->issuer_and_serial;
303 signer = NULL;
304 /* If any certificates passed they take priority */
305 if (certs) signer = X509_find_by_issuer_and_serial (certs,
306 ias->issuer, ias->serial);
307 if (!signer && !(flags & PKCS7_NOINTERN)
308 && p7->d.sign->cert) signer =
309 X509_find_by_issuer_and_serial (p7->d.sign->cert,
310 ias->issuer, ias->serial);
311 if (!signer) {
312 PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND);
313 sk_X509_free(signers);
314 return 0;
315 }
316
317 sk_X509_push(signers, signer);
318 }
319 return signers;
320}
321
322
323/* Build a complete PKCS#7 enveloped data */
324
325PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, EVP_CIPHER *cipher,
326 int flags)
327{
328 PKCS7 *p7;
329 BIO *p7bio = NULL;
330 int i;
331 X509 *x509;
332 if(!(p7 = PKCS7_new())) {
333 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
334 return NULL;
335 }
336
337 PKCS7_set_type(p7, NID_pkcs7_enveloped);
338 if(!PKCS7_set_cipher(p7, cipher)) {
339 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_ERROR_SETTING_CIPHER);
340 goto err;
341 }
342
343 for(i = 0; i < sk_X509_num(certs); i++) {
344 x509 = sk_X509_value(certs, i);
345 if(!PKCS7_add_recipient(p7, x509)) {
346 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,
347 PKCS7_R_ERROR_ADDING_RECIPIENT);
348 goto err;
349 }
350 }
351
352 if(!(p7bio = PKCS7_dataInit(p7, NULL))) {
353 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE);
354 goto err;
355 }
356
357 SMIME_crlf_copy(in, p7bio, flags);
358
359 BIO_flush(p7bio);
360
361 if (!PKCS7_dataFinal(p7,p7bio)) {
362 PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_PKCS7_DATAFINAL_ERROR);
363 goto err;
364 }
365 BIO_free_all(p7bio);
366
367 return p7;
368
369 err:
370
371 BIO_free(p7bio);
372 PKCS7_free(p7);
373 return NULL;
374
375}
376
377int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags)
378{
379 BIO *tmpmem;
380 int ret, i;
381 char buf[4096];
382
383 if(!p7) {
384 PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_INVALID_NULL_POINTER);
385 return 0;
386 }
387
388 if(!PKCS7_type_is_enveloped(p7)) {
389 PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_WRONG_CONTENT_TYPE);
390 return 0;
391 }
392
393 if(!X509_check_private_key(cert, pkey)) {
394 PKCS7err(PKCS7_F_PKCS7_DECRYPT,
395 PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
396 return 0;
397 }
398
399 if(!(tmpmem = PKCS7_dataDecode(p7, pkey, NULL, cert))) {
400 PKCS7err(PKCS7_F_PKCS7_DECRYPT, PKCS7_R_DECRYPT_ERROR);
401 return 0;
402 }
403
404 if (flags & PKCS7_TEXT) {
405 BIO *tmpbuf, *bread;
406 /* Encrypt BIOs can't do BIO_gets() so add a buffer BIO */
407 if(!(tmpbuf = BIO_new(BIO_f_buffer()))) {
408 PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE);
409 return 0;
410 }
411 if(!(bread = BIO_push(tmpbuf, tmpmem))) {
412 PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE);
413 return 0;
414 }
415 ret = SMIME_text(bread, data);
416 BIO_free_all(bread);
417 return ret;
418 } else {
419 for(;;) {
420 i = BIO_read(tmpmem, buf, sizeof(buf));
421 if(i <= 0) break;
422 BIO_write(data, buf, i);
423 }
424 BIO_free_all(tmpmem);
425 return 1;
426 }
427}
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