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authorjsing <>2019-11-04 14:47:43 +0000
committerjsing <>2019-11-04 14:47:43 +0000
commit6647fb2956616da3bc45329a2a1cd62db868655b (patch)
tree4df25aac896381c0aa51752375bbfbdfc71f98f8 /src
parent2160669e170a2285e27ae20591bfc961eb63c306 (diff)
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Bring openssl(1) cms back from the attic.
Diffstat (limited to 'src')
-rw-r--r--src/usr.bin/openssl/cms.c1142
1 files changed, 1142 insertions, 0 deletions
diff --git a/src/usr.bin/openssl/cms.c b/src/usr.bin/openssl/cms.c
new file mode 100644
index 0000000000..f31d2c4713
--- /dev/null
+++ b/src/usr.bin/openssl/cms.c
@@ -0,0 +1,1142 @@
1/* $OpenBSD: cms.c,v 1.8 2019/11/04 14:47:43 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5/* ====================================================================
6 * Copyright (c) 2008 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
54/* CMS utility function */
55
56#include <stdio.h>
57#include <string.h>
58
59#include "apps.h"
60
61#ifndef OPENSSL_NO_CMS
62
63#include <openssl/cms.h>
64#include <openssl/crypto.h>
65#include <openssl/err.h>
66#include <openssl/pem.h>
67#include <openssl/x509_vfy.h>
68#include <openssl/x509v3.h>
69
70static int save_certs(char *signerfile, STACK_OF(X509) * signers);
71static int cms_cb(int ok, X509_STORE_CTX * ctx);
72static void receipt_request_print(BIO * out, CMS_ContentInfo * cms);
73static CMS_ReceiptRequest * make_receipt_request(
74 STACK_OF(OPENSSL_STRING) * rr_to, int rr_allorfirst,
75 STACK_OF(OPENSSL_STRING) * rr_from);
76
77#define SMIME_OP 0x10
78#define SMIME_IP 0x20
79#define SMIME_SIGNERS 0x40
80#define SMIME_ENCRYPT (1 | SMIME_OP)
81#define SMIME_DECRYPT (2 | SMIME_IP)
82#define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
83#define SMIME_VERIFY (4 | SMIME_IP)
84#define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
85#define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
86#define SMIME_DATAOUT (7 | SMIME_IP)
87#define SMIME_DATA_CREATE (8 | SMIME_OP)
88#define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
89#define SMIME_DIGEST_CREATE (10 | SMIME_OP)
90#define SMIME_UNCOMPRESS (11 | SMIME_IP)
91#define SMIME_COMPRESS (12 | SMIME_OP)
92#define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
93#define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
94#define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
95#define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
96
97int verify_err = 0;
98
99int
100cms_main(int argc, char **argv)
101{
102 int operation = 0;
103 int ret = 0;
104 char **args;
105 const char *inmode = "r", *outmode = "w";
106 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
107 char *signerfile = NULL, *recipfile = NULL;
108 STACK_OF(OPENSSL_STRING) * sksigners = NULL, *skkeys = NULL;
109 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
110 char *certsoutfile = NULL;
111 const EVP_CIPHER *cipher = NULL;
112 CMS_ContentInfo *cms = NULL, *rcms = NULL;
113 X509_STORE *store = NULL;
114 X509 *cert = NULL, *recip = NULL, *signer = NULL;
115 EVP_PKEY *key = NULL;
116 STACK_OF(X509) * encerts = NULL, *other = NULL;
117 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
118 int badarg = 0;
119 int flags = CMS_DETACHED, noout = 0, print = 0;
120 int verify_retcode = 0;
121 int rr_print = 0, rr_allorfirst = -1;
122 STACK_OF(OPENSSL_STRING) * rr_to = NULL, *rr_from = NULL;
123 CMS_ReceiptRequest *rr = NULL;
124 char *to = NULL, *from = NULL, *subject = NULL;
125 char *CAfile = NULL, *CApath = NULL;
126 char *passargin = NULL, *passin = NULL;
127 const EVP_MD *sign_md = NULL;
128 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
129 int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
130 unsigned char *secret_key = NULL, *secret_keyid = NULL;
131 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
132 size_t secret_keylen = 0, secret_keyidlen = 0;
133
134 ASN1_OBJECT *econtent_type = NULL;
135
136 X509_VERIFY_PARAM *vpm = NULL;
137
138 if (single_execution) {
139 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
140 perror("pledge");
141 exit(1);
142 }
143 }
144
145 args = argv + 1;
146 ret = 1;
147
148 while (!badarg && *args && *args[0] == '-') {
149 if (!strcmp(*args, "-encrypt"))
150 operation = SMIME_ENCRYPT;
151 else if (!strcmp(*args, "-decrypt"))
152 operation = SMIME_DECRYPT;
153 else if (!strcmp(*args, "-sign"))
154 operation = SMIME_SIGN;
155 else if (!strcmp(*args, "-sign_receipt"))
156 operation = SMIME_SIGN_RECEIPT;
157 else if (!strcmp(*args, "-resign"))
158 operation = SMIME_RESIGN;
159 else if (!strcmp(*args, "-verify"))
160 operation = SMIME_VERIFY;
161 else if (!strcmp(*args, "-verify_retcode"))
162 verify_retcode = 1;
163 else if (!strcmp(*args, "-verify_receipt")) {
164 operation = SMIME_VERIFY_RECEIPT;
165 if (!args[1])
166 goto argerr;
167 args++;
168 rctfile = *args;
169 } else if (!strcmp(*args, "-cmsout"))
170 operation = SMIME_CMSOUT;
171 else if (!strcmp(*args, "-data_out"))
172 operation = SMIME_DATAOUT;
173 else if (!strcmp(*args, "-data_create"))
174 operation = SMIME_DATA_CREATE;
175 else if (!strcmp(*args, "-digest_verify"))
176 operation = SMIME_DIGEST_VERIFY;
177 else if (!strcmp(*args, "-digest_create"))
178 operation = SMIME_DIGEST_CREATE;
179 else if (!strcmp(*args, "-compress"))
180 operation = SMIME_COMPRESS;
181 else if (!strcmp(*args, "-uncompress"))
182 operation = SMIME_UNCOMPRESS;
183 else if (!strcmp(*args, "-EncryptedData_decrypt"))
184 operation = SMIME_ENCRYPTED_DECRYPT;
185 else if (!strcmp(*args, "-EncryptedData_encrypt"))
186 operation = SMIME_ENCRYPTED_ENCRYPT;
187#ifndef OPENSSL_NO_DES
188 else if (!strcmp(*args, "-des3"))
189 cipher = EVP_des_ede3_cbc();
190 else if (!strcmp(*args, "-des"))
191 cipher = EVP_des_cbc();
192#endif
193#ifndef OPENSSL_NO_RC2
194 else if (!strcmp(*args, "-rc2-40"))
195 cipher = EVP_rc2_40_cbc();
196 else if (!strcmp(*args, "-rc2-128"))
197 cipher = EVP_rc2_cbc();
198 else if (!strcmp(*args, "-rc2-64"))
199 cipher = EVP_rc2_64_cbc();
200#endif
201#ifndef OPENSSL_NO_AES
202 else if (!strcmp(*args, "-aes128"))
203 cipher = EVP_aes_128_cbc();
204 else if (!strcmp(*args, "-aes192"))
205 cipher = EVP_aes_192_cbc();
206 else if (!strcmp(*args, "-aes256"))
207 cipher = EVP_aes_256_cbc();
208#endif
209#ifndef OPENSSL_NO_CAMELLIA
210 else if (!strcmp(*args, "-camellia128"))
211 cipher = EVP_camellia_128_cbc();
212 else if (!strcmp(*args, "-camellia192"))
213 cipher = EVP_camellia_192_cbc();
214 else if (!strcmp(*args, "-camellia256"))
215 cipher = EVP_camellia_256_cbc();
216#endif
217 else if (!strcmp(*args, "-debug_decrypt"))
218 flags |= CMS_DEBUG_DECRYPT;
219 else if (!strcmp(*args, "-text"))
220 flags |= CMS_TEXT;
221 else if (!strcmp(*args, "-nointern"))
222 flags |= CMS_NOINTERN;
223 else if (!strcmp(*args, "-noverify") ||
224 !strcmp(*args, "-no_signer_cert_verify"))
225 flags |= CMS_NO_SIGNER_CERT_VERIFY;
226 else if (!strcmp(*args, "-nocerts"))
227 flags |= CMS_NOCERTS;
228 else if (!strcmp(*args, "-noattr"))
229 flags |= CMS_NOATTR;
230 else if (!strcmp(*args, "-nodetach"))
231 flags &= ~CMS_DETACHED;
232 else if (!strcmp(*args, "-nosmimecap"))
233 flags |= CMS_NOSMIMECAP;
234 else if (!strcmp(*args, "-binary"))
235 flags |= CMS_BINARY;
236 else if (!strcmp(*args, "-keyid"))
237 flags |= CMS_USE_KEYID;
238 else if (!strcmp(*args, "-nosigs"))
239 flags |= CMS_NOSIGS;
240 else if (!strcmp(*args, "-no_content_verify"))
241 flags |= CMS_NO_CONTENT_VERIFY;
242 else if (!strcmp(*args, "-no_attr_verify"))
243 flags |= CMS_NO_ATTR_VERIFY;
244 else if (!strcmp(*args, "-stream"))
245 flags |= CMS_STREAM;
246 else if (!strcmp(*args, "-indef"))
247 flags |= CMS_STREAM;
248 else if (!strcmp(*args, "-noindef"))
249 flags &= ~CMS_STREAM;
250 else if (!strcmp(*args, "-nooldmime"))
251 flags |= CMS_NOOLDMIMETYPE;
252 else if (!strcmp(*args, "-crlfeol"))
253 flags |= CMS_CRLFEOL;
254 else if (!strcmp(*args, "-noout"))
255 noout = 1;
256 else if (!strcmp(*args, "-receipt_request_print"))
257 rr_print = 1;
258 else if (!strcmp(*args, "-receipt_request_all"))
259 rr_allorfirst = 0;
260 else if (!strcmp(*args, "-receipt_request_first"))
261 rr_allorfirst = 1;
262 else if (!strcmp(*args, "-receipt_request_from")) {
263 if (!args[1])
264 goto argerr;
265 args++;
266 if (!rr_from)
267 rr_from = sk_OPENSSL_STRING_new_null();
268 sk_OPENSSL_STRING_push(rr_from, *args);
269 } else if (!strcmp(*args, "-receipt_request_to")) {
270 if (!args[1])
271 goto argerr;
272 args++;
273 if (!rr_to)
274 rr_to = sk_OPENSSL_STRING_new_null();
275 sk_OPENSSL_STRING_push(rr_to, *args);
276 } else if (!strcmp(*args, "-print")) {
277 noout = 1;
278 print = 1;
279 } else if (!strcmp(*args, "-secretkey")) {
280 long ltmp;
281 if (!args[1])
282 goto argerr;
283 args++;
284 secret_key = string_to_hex(*args, &ltmp);
285 if (!secret_key) {
286 BIO_printf(bio_err, "Invalid key %s\n", *args);
287 goto argerr;
288 }
289 secret_keylen = (size_t) ltmp;
290 } else if (!strcmp(*args, "-secretkeyid")) {
291 long ltmp;
292 if (!args[1])
293 goto argerr;
294 args++;
295 secret_keyid = string_to_hex(*args, &ltmp);
296 if (!secret_keyid) {
297 BIO_printf(bio_err, "Invalid id %s\n", *args);
298 goto argerr;
299 }
300 secret_keyidlen = (size_t) ltmp;
301 } else if (!strcmp(*args, "-pwri_password")) {
302 if (!args[1])
303 goto argerr;
304 args++;
305 pwri_pass = (unsigned char *) *args;
306 } else if (!strcmp(*args, "-econtent_type")) {
307 if (!args[1])
308 goto argerr;
309 args++;
310 econtent_type = OBJ_txt2obj(*args, 0);
311 if (!econtent_type) {
312 BIO_printf(bio_err, "Invalid OID %s\n", *args);
313 goto argerr;
314 }
315 }
316 else if (!strcmp(*args, "-passin")) {
317 if (!args[1])
318 goto argerr;
319 passargin = *++args;
320 } else if (!strcmp(*args, "-to")) {
321 if (!args[1])
322 goto argerr;
323 to = *++args;
324 } else if (!strcmp(*args, "-from")) {
325 if (!args[1])
326 goto argerr;
327 from = *++args;
328 } else if (!strcmp(*args, "-subject")) {
329 if (!args[1])
330 goto argerr;
331 subject = *++args;
332 } else if (!strcmp(*args, "-signer")) {
333 if (!args[1])
334 goto argerr;
335 /* If previous -signer argument add signer to list */
336
337 if (signerfile) {
338 if (!sksigners)
339 sksigners =
340 sk_OPENSSL_STRING_new_null();
341 sk_OPENSSL_STRING_push(sksigners, signerfile);
342 if (!keyfile)
343 keyfile = signerfile;
344 if (!skkeys)
345 skkeys = sk_OPENSSL_STRING_new_null();
346 sk_OPENSSL_STRING_push(skkeys, keyfile);
347 keyfile = NULL;
348 }
349 signerfile = *++args;
350 } else if (!strcmp(*args, "-recip")) {
351 if (!args[1])
352 goto argerr;
353 recipfile = *++args;
354 } else if (!strcmp(*args, "-certsout")) {
355 if (!args[1])
356 goto argerr;
357 certsoutfile = *++args;
358 } else if (!strcmp(*args, "-md")) {
359 if (!args[1])
360 goto argerr;
361 sign_md = EVP_get_digestbyname(*++args);
362 if (sign_md == NULL) {
363 BIO_printf(bio_err, "Unknown digest %s\n",
364 *args);
365 goto argerr;
366 }
367 } else if (!strcmp(*args, "-inkey")) {
368 if (!args[1])
369 goto argerr;
370 /* If previous -inkey arument add signer to list */
371 if (keyfile) {
372 if (!signerfile) {
373 BIO_puts(bio_err,
374 "Illegal -inkey without -signer\n");
375 goto argerr;
376 }
377 if (!sksigners)
378 sksigners =
379 sk_OPENSSL_STRING_new_null();
380 sk_OPENSSL_STRING_push(sksigners, signerfile);
381 signerfile = NULL;
382 if (!skkeys)
383 skkeys = sk_OPENSSL_STRING_new_null();
384 sk_OPENSSL_STRING_push(skkeys, keyfile);
385 }
386 keyfile = *++args;
387 } else if (!strcmp(*args, "-keyform")) {
388 if (!args[1])
389 goto argerr;
390 keyform = str2fmt(*++args);
391 } else if (!strcmp(*args, "-rctform")) {
392 if (!args[1])
393 goto argerr;
394 rctformat = str2fmt(*++args);
395 } else if (!strcmp(*args, "-certfile")) {
396 if (!args[1])
397 goto argerr;
398 certfile = *++args;
399 } else if (!strcmp(*args, "-CAfile")) {
400 if (!args[1])
401 goto argerr;
402 CAfile = *++args;
403 } else if (!strcmp(*args, "-CApath")) {
404 if (!args[1])
405 goto argerr;
406 CApath = *++args;
407 } else if (!strcmp(*args, "-in")) {
408 if (!args[1])
409 goto argerr;
410 infile = *++args;
411 } else if (!strcmp(*args, "-inform")) {
412 if (!args[1])
413 goto argerr;
414 informat = str2fmt(*++args);
415 } else if (!strcmp(*args, "-outform")) {
416 if (!args[1])
417 goto argerr;
418 outformat = str2fmt(*++args);
419 } else if (!strcmp(*args, "-out")) {
420 if (!args[1])
421 goto argerr;
422 outfile = *++args;
423 } else if (!strcmp(*args, "-content")) {
424 if (!args[1])
425 goto argerr;
426 contfile = *++args;
427 } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
428 continue;
429 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
430 badarg = 1;
431 args++;
432 }
433
434 if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
435 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
436 goto argerr;
437 }
438 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
439 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
440 goto argerr;
441 }
442 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
443 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
444 goto argerr;
445 }
446 if (operation & SMIME_SIGNERS) {
447 if (keyfile && !signerfile) {
448 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
449 goto argerr;
450 }
451 /* Check to see if any final signer needs to be appended */
452 if (signerfile) {
453 if (!sksigners)
454 sksigners = sk_OPENSSL_STRING_new_null();
455 sk_OPENSSL_STRING_push(sksigners, signerfile);
456 if (!skkeys)
457 skkeys = sk_OPENSSL_STRING_new_null();
458 if (!keyfile)
459 keyfile = signerfile;
460 sk_OPENSSL_STRING_push(skkeys, keyfile);
461 }
462 if (!sksigners) {
463 BIO_printf(bio_err,
464 "No signer certificate specified\n");
465 badarg = 1;
466 }
467 signerfile = NULL;
468 keyfile = NULL;
469 } else if (operation == SMIME_DECRYPT) {
470 if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
471 BIO_printf(bio_err,
472 "No recipient certificate or key specified\n");
473 badarg = 1;
474 }
475 } else if (operation == SMIME_ENCRYPT) {
476 if (!*args && !secret_key && !pwri_pass) {
477 BIO_printf(bio_err,
478 "No recipient(s) certificate(s) specified\n");
479 badarg = 1;
480 }
481 } else if (!operation)
482 badarg = 1;
483
484 if (badarg) {
485argerr:
486 BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n");
487 BIO_printf(bio_err, "where options are\n");
488 BIO_printf(bio_err, "-encrypt encrypt message\n");
489 BIO_printf(bio_err, "-decrypt decrypt encrypted message\n");
490 BIO_printf(bio_err, "-sign sign message\n");
491 BIO_printf(bio_err, "-verify verify signed message\n");
492 BIO_printf(bio_err, "-cmsout output CMS structure\n");
493#ifndef OPENSSL_NO_DES
494 BIO_printf(bio_err, "-des3 encrypt with triple DES\n");
495 BIO_printf(bio_err, "-des encrypt with DES\n");
496#endif
497#ifndef OPENSSL_NO_RC2
498 BIO_printf(bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
499 BIO_printf(bio_err, "-rc2-64 encrypt with RC2-64\n");
500 BIO_printf(bio_err, "-rc2-128 encrypt with RC2-128\n");
501#endif
502#ifndef OPENSSL_NO_AES
503 BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
504 BIO_printf(bio_err, " encrypt PEM output with cbc aes\n");
505#endif
506#ifndef OPENSSL_NO_CAMELLIA
507 BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
508 BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n");
509#endif
510 BIO_printf(bio_err, "-nointern don't search certificates in message for signer\n");
511 BIO_printf(bio_err, "-nosigs don't verify message signature\n");
512 BIO_printf(bio_err, "-noverify don't verify signers certificate\n");
513 BIO_printf(bio_err, "-nocerts don't include signers certificate when signing\n");
514 BIO_printf(bio_err, "-nodetach use opaque signing\n");
515 BIO_printf(bio_err, "-noattr don't include any signed attributes\n");
516 BIO_printf(bio_err, "-binary don't translate message to text\n");
517 BIO_printf(bio_err, "-certfile file other certificates file\n");
518 BIO_printf(bio_err, "-certsout file certificate output file\n");
519 BIO_printf(bio_err, "-signer file signer certificate file\n");
520 BIO_printf(bio_err, "-recip file recipient certificate file for decryption\n");
521 BIO_printf(bio_err, "-keyid use subject key identifier\n");
522 BIO_printf(bio_err, "-in file input file\n");
523 BIO_printf(bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
524 BIO_printf(bio_err, "-inkey file input private key (if not signer or recipient)\n");
525 BIO_printf(bio_err, "-keyform arg input private key format (PEM)\n");
526 BIO_printf(bio_err, "-out file output file\n");
527 BIO_printf(bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
528 BIO_printf(bio_err, "-content file supply or override content for detached signature\n");
529 BIO_printf(bio_err, "-to addr to address\n");
530 BIO_printf(bio_err, "-from ad from address\n");
531 BIO_printf(bio_err, "-subject s subject\n");
532 BIO_printf(bio_err, "-text include or delete text MIME headers\n");
533 BIO_printf(bio_err, "-CApath dir trusted certificates directory\n");
534 BIO_printf(bio_err, "-CAfile file trusted certificates file\n");
535 BIO_printf(bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
536 BIO_printf(bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
537 BIO_printf(bio_err, "-passin arg input file pass phrase source\n");
538 BIO_printf(bio_err, "cert.pem recipient certificate(s) for encryption\n");
539 goto end;
540 }
541
542 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
543 BIO_printf(bio_err, "Error getting password\n");
544 goto end;
545 }
546 ret = 2;
547
548 if (!(operation & SMIME_SIGNERS))
549 flags &= ~CMS_DETACHED;
550
551 if (operation & SMIME_OP) {
552 if (outformat == FORMAT_ASN1)
553 outmode = "wb";
554 } else {
555 if (flags & CMS_BINARY)
556 outmode = "wb";
557 }
558
559 if (operation & SMIME_IP) {
560 if (informat == FORMAT_ASN1)
561 inmode = "rb";
562 } else {
563 if (flags & CMS_BINARY)
564 inmode = "rb";
565 }
566
567 if (operation == SMIME_ENCRYPT) {
568 if (!cipher) {
569#ifndef OPENSSL_NO_DES
570 cipher = EVP_des_ede3_cbc();
571#else
572 BIO_printf(bio_err, "No cipher selected\n");
573 goto end;
574#endif
575 }
576 if (secret_key && !secret_keyid) {
577 BIO_printf(bio_err, "No secret key id\n");
578 goto end;
579 }
580 if (*args)
581 encerts = sk_X509_new_null();
582 while (*args) {
583 if (!(cert = load_cert(bio_err, *args, FORMAT_PEM,
584 NULL, e, "recipient certificate file")))
585 goto end;
586 sk_X509_push(encerts, cert);
587 cert = NULL;
588 args++;
589 }
590 }
591 if (certfile) {
592 if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL,
593 e, "certificate file"))) {
594 ERR_print_errors(bio_err);
595 goto end;
596 }
597 }
598 if (recipfile && (operation == SMIME_DECRYPT)) {
599 if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL,
600 e, "recipient certificate file"))) {
601 ERR_print_errors(bio_err);
602 goto end;
603 }
604 }
605 if (operation == SMIME_SIGN_RECEIPT) {
606 if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
607 e, "receipt signer certificate file"))) {
608 ERR_print_errors(bio_err);
609 goto end;
610 }
611 }
612 if (operation == SMIME_DECRYPT) {
613 if (!keyfile)
614 keyfile = recipfile;
615 } else if ((operation == SMIME_SIGN) ||
616 (operation == SMIME_SIGN_RECEIPT)) {
617 if (!keyfile)
618 keyfile = signerfile;
619 } else
620 keyfile = NULL;
621
622 if (keyfile) {
623 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
624 "signing key file");
625 if (!key)
626 goto end;
627 }
628 if (infile) {
629 if (!(in = BIO_new_file(infile, inmode))) {
630 BIO_printf(bio_err,
631 "Can't open input file %s\n", infile);
632 goto end;
633 }
634 } else
635 in = BIO_new_fp(stdin, BIO_NOCLOSE);
636
637 if (operation & SMIME_IP) {
638 if (informat == FORMAT_SMIME)
639 cms = SMIME_read_CMS(in, &indata);
640 else if (informat == FORMAT_PEM)
641 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
642 else if (informat == FORMAT_ASN1)
643 cms = d2i_CMS_bio(in, NULL);
644 else {
645 BIO_printf(bio_err, "Bad input format for CMS file\n");
646 goto end;
647 }
648
649 if (!cms) {
650 BIO_printf(bio_err, "Error reading S/MIME message\n");
651 goto end;
652 }
653 if (contfile) {
654 BIO_free(indata);
655 if (!(indata = BIO_new_file(contfile, "rb"))) {
656 BIO_printf(bio_err,
657 "Can't read content file %s\n", contfile);
658 goto end;
659 }
660 }
661 if (certsoutfile) {
662 STACK_OF(X509) * allcerts;
663 allcerts = CMS_get1_certs(cms);
664 if (!save_certs(certsoutfile, allcerts)) {
665 BIO_printf(bio_err,
666 "Error writing certs to %s\n",
667 certsoutfile);
668 ret = 5;
669 goto end;
670 }
671 sk_X509_pop_free(allcerts, X509_free);
672 }
673 }
674 if (rctfile) {
675 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
676 if (!(rctin = BIO_new_file(rctfile, rctmode))) {
677 BIO_printf(bio_err,
678 "Can't open receipt file %s\n", rctfile);
679 goto end;
680 }
681 if (rctformat == FORMAT_SMIME)
682 rcms = SMIME_read_CMS(rctin, NULL);
683 else if (rctformat == FORMAT_PEM)
684 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
685 else if (rctformat == FORMAT_ASN1)
686 rcms = d2i_CMS_bio(rctin, NULL);
687 else {
688 BIO_printf(bio_err, "Bad input format for receipt\n");
689 goto end;
690 }
691
692 if (!rcms) {
693 BIO_printf(bio_err, "Error reading receipt\n");
694 goto end;
695 }
696 }
697 if (outfile) {
698 if (!(out = BIO_new_file(outfile, outmode))) {
699 BIO_printf(bio_err,
700 "Can't open output file %s\n", outfile);
701 goto end;
702 }
703 } else {
704 out = BIO_new_fp(stdout, BIO_NOCLOSE);
705 }
706
707 if ((operation == SMIME_VERIFY) ||
708 (operation == SMIME_VERIFY_RECEIPT)) {
709 if (!(store = setup_verify(bio_err, CAfile, CApath)))
710 goto end;
711 X509_STORE_set_verify_cb(store, cms_cb);
712 if (vpm)
713 X509_STORE_set1_param(store, vpm);
714 }
715 ret = 3;
716
717 if (operation == SMIME_DATA_CREATE) {
718 cms = CMS_data_create(in, flags);
719 } else if (operation == SMIME_DIGEST_CREATE) {
720 cms = CMS_digest_create(in, sign_md, flags);
721 } else if (operation == SMIME_COMPRESS) {
722 cms = CMS_compress(in, -1, flags);
723 } else if (operation == SMIME_ENCRYPT) {
724 flags |= CMS_PARTIAL;
725 cms = CMS_encrypt(encerts, in, cipher, flags);
726 if (!cms)
727 goto end;
728 if (secret_key) {
729 if (!CMS_add0_recipient_key(cms, NID_undef, secret_key,
730 secret_keylen, secret_keyid, secret_keyidlen,
731 NULL, NULL, NULL))
732 goto end;
733 /* NULL these because call absorbs them */
734 secret_key = NULL;
735 secret_keyid = NULL;
736 }
737 if (pwri_pass) {
738 pwri_tmp = strdup(pwri_pass);
739 if (!pwri_tmp)
740 goto end;
741 if (!CMS_add0_recipient_password(cms, -1, NID_undef,
742 NID_undef, pwri_tmp, -1, NULL))
743 goto end;
744 pwri_tmp = NULL;
745 }
746 if (!(flags & CMS_STREAM)) {
747 if (!CMS_final(cms, in, NULL, flags))
748 goto end;
749 }
750 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
751 cms = CMS_EncryptedData_encrypt(in, cipher, secret_key,
752 secret_keylen, flags);
753
754 } else if (operation == SMIME_SIGN_RECEIPT) {
755 CMS_ContentInfo *srcms = NULL;
756 STACK_OF(CMS_SignerInfo) * sis;
757 CMS_SignerInfo *si;
758 sis = CMS_get0_SignerInfos(cms);
759 if (!sis)
760 goto end;
761 si = sk_CMS_SignerInfo_value(sis, 0);
762 srcms = CMS_sign_receipt(si, signer, key, other, flags);
763 if (!srcms)
764 goto end;
765 CMS_ContentInfo_free(cms);
766 cms = srcms;
767 } else if (operation & SMIME_SIGNERS) {
768 int i;
769 /*
770 * If detached data content we enable streaming if S/MIME
771 * output format.
772 */
773 if (operation == SMIME_SIGN) {
774
775 if (flags & CMS_DETACHED) {
776 if (outformat == FORMAT_SMIME)
777 flags |= CMS_STREAM;
778 }
779 flags |= CMS_PARTIAL;
780 cms = CMS_sign(NULL, NULL, other, in, flags);
781 if (!cms)
782 goto end;
783 if (econtent_type)
784 CMS_set1_eContentType(cms, econtent_type);
785
786 if (rr_to) {
787 rr = make_receipt_request(rr_to, rr_allorfirst,
788 rr_from);
789 if (!rr) {
790 BIO_puts(bio_err,
791 "Signed Receipt Request Creation Error\n");
792 goto end;
793 }
794 }
795 } else
796 flags |= CMS_REUSE_DIGEST;
797 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
798 CMS_SignerInfo *si;
799 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
800 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
801 signer = load_cert(bio_err, signerfile, FORMAT_PEM,
802 NULL, e, "signer certificate");
803 if (!signer)
804 goto end;
805 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
806 "signing key file");
807 if (!key)
808 goto end;
809 si = CMS_add1_signer(cms, signer, key, sign_md, flags);
810 if (!si)
811 goto end;
812 if (rr && !CMS_add1_ReceiptRequest(si, rr))
813 goto end;
814 X509_free(signer);
815 signer = NULL;
816 EVP_PKEY_free(key);
817 key = NULL;
818 }
819 /* If not streaming or resigning finalize structure */
820 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
821 if (!CMS_final(cms, in, NULL, flags))
822 goto end;
823 }
824 }
825 if (!cms) {
826 BIO_printf(bio_err, "Error creating CMS structure\n");
827 goto end;
828 }
829 ret = 4;
830 if (operation == SMIME_DECRYPT) {
831 if (flags & CMS_DEBUG_DECRYPT)
832 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
833
834 if (secret_key) {
835 if (!CMS_decrypt_set1_key(cms, secret_key,
836 secret_keylen, secret_keyid, secret_keyidlen)) {
837 BIO_puts(bio_err,
838 "Error decrypting CMS using secret key\n");
839 goto end;
840 }
841 }
842 if (key) {
843 if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
844 BIO_puts(bio_err,
845 "Error decrypting CMS using private key\n");
846 goto end;
847 }
848 }
849 if (pwri_pass) {
850 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
851 BIO_puts(bio_err,
852 "Error decrypting CMS using password\n");
853 goto end;
854 }
855 }
856 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
857 BIO_printf(bio_err, "Error decrypting CMS structure\n");
858 goto end;
859 }
860 } else if (operation == SMIME_DATAOUT) {
861 if (!CMS_data(cms, out, flags))
862 goto end;
863 } else if (operation == SMIME_UNCOMPRESS) {
864 if (!CMS_uncompress(cms, indata, out, flags))
865 goto end;
866 } else if (operation == SMIME_DIGEST_VERIFY) {
867 if (CMS_digest_verify(cms, indata, out, flags) > 0)
868 BIO_printf(bio_err, "Verification successful\n");
869 else {
870 BIO_printf(bio_err, "Verification failure\n");
871 goto end;
872 }
873 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
874 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
875 indata, out, flags))
876 goto end;
877 } else if (operation == SMIME_VERIFY) {
878 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
879 BIO_printf(bio_err, "Verification successful\n");
880 else {
881 BIO_printf(bio_err, "Verification failure\n");
882 if (verify_retcode)
883 ret = verify_err + 32;
884 goto end;
885 }
886 if (signerfile) {
887 STACK_OF(X509) * signers;
888 signers = CMS_get0_signers(cms);
889 if (!save_certs(signerfile, signers)) {
890 BIO_printf(bio_err,
891 "Error writing signers to %s\n",
892 signerfile);
893 ret = 5;
894 goto end;
895 }
896 sk_X509_free(signers);
897 }
898 if (rr_print)
899 receipt_request_print(bio_err, cms);
900
901 } else if (operation == SMIME_VERIFY_RECEIPT) {
902 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
903 BIO_printf(bio_err, "Verification successful\n");
904 else {
905 BIO_printf(bio_err, "Verification failure\n");
906 goto end;
907 }
908 } else {
909 if (noout) {
910 if (print)
911 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
912 } else if (outformat == FORMAT_SMIME) {
913 if (to)
914 BIO_printf(out, "To: %s\n", to);
915 if (from)
916 BIO_printf(out, "From: %s\n", from);
917 if (subject)
918 BIO_printf(out, "Subject: %s\n", subject);
919 if (operation == SMIME_RESIGN)
920 ret = SMIME_write_CMS(out, cms, indata, flags);
921 else
922 ret = SMIME_write_CMS(out, cms, in, flags);
923 } else if (outformat == FORMAT_PEM)
924 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
925 else if (outformat == FORMAT_ASN1)
926 ret = i2d_CMS_bio_stream(out, cms, in, flags);
927 else {
928 BIO_printf(bio_err, "Bad output format for CMS file\n");
929 goto end;
930 }
931 if (ret <= 0) {
932 ret = 6;
933 goto end;
934 }
935 }
936 ret = 0;
937
938end:
939 if (ret)
940 ERR_print_errors(bio_err);
941 sk_X509_pop_free(encerts, X509_free);
942 sk_X509_pop_free(other, X509_free);
943 if (vpm)
944 X509_VERIFY_PARAM_free(vpm);
945 if (sksigners)
946 sk_OPENSSL_STRING_free(sksigners);
947 if (skkeys)
948 sk_OPENSSL_STRING_free(skkeys);
949 free(secret_key);
950 free(secret_keyid);
951 free(pwri_tmp);
952 if (econtent_type)
953 ASN1_OBJECT_free(econtent_type);
954 if (rr)
955 CMS_ReceiptRequest_free(rr);
956 if (rr_to)
957 sk_OPENSSL_STRING_free(rr_to);
958 if (rr_from)
959 sk_OPENSSL_STRING_free(rr_from);
960 X509_STORE_free(store);
961 X509_free(cert);
962 X509_free(recip);
963 X509_free(signer);
964 EVP_PKEY_free(key);
965 CMS_ContentInfo_free(cms);
966 CMS_ContentInfo_free(rcms);
967 BIO_free(rctin);
968 BIO_free(in);
969 BIO_free(indata);
970 BIO_free_all(out);
971 free(passin);
972 return (ret);
973}
974
975static int
976save_certs(char *signerfile, STACK_OF(X509) * signers)
977{
978 int i;
979 BIO *tmp;
980
981 if (!signerfile)
982 return 1;
983 tmp = BIO_new_file(signerfile, "w");
984 if (!tmp)
985 return 0;
986 for (i = 0; i < sk_X509_num(signers); i++)
987 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
988 BIO_free(tmp);
989 return 1;
990}
991
992/* Minimal callback just to output policy info (if any) */
993
994static int
995cms_cb(int ok, X509_STORE_CTX * ctx)
996{
997 int error;
998
999 error = X509_STORE_CTX_get_error(ctx);
1000
1001 verify_err = error;
1002
1003 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) &&
1004 ((error != X509_V_OK) || (ok != 2)))
1005 return ok;
1006
1007 policies_print(NULL, ctx);
1008
1009 return ok;
1010}
1011
1012static void
1013gnames_stack_print(BIO * out, STACK_OF(GENERAL_NAMES) * gns)
1014{
1015 STACK_OF(GENERAL_NAME) * gens;
1016 GENERAL_NAME *gen;
1017 int i, j;
1018
1019 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1020 gens = sk_GENERAL_NAMES_value(gns, i);
1021 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1022 gen = sk_GENERAL_NAME_value(gens, j);
1023 BIO_puts(out, " ");
1024 GENERAL_NAME_print(out, gen);
1025 BIO_puts(out, "\n");
1026 }
1027 }
1028 return;
1029}
1030
1031static void
1032receipt_request_print(BIO * out, CMS_ContentInfo * cms)
1033{
1034 STACK_OF(CMS_SignerInfo) * sis;
1035 CMS_SignerInfo *si;
1036 CMS_ReceiptRequest *rr;
1037 int allorfirst;
1038 STACK_OF(GENERAL_NAMES) * rto, *rlist;
1039 ASN1_STRING *scid;
1040 int i, rv;
1041
1042 sis = CMS_get0_SignerInfos(cms);
1043 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1044 si = sk_CMS_SignerInfo_value(sis, i);
1045 rv = CMS_get1_ReceiptRequest(si, &rr);
1046 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1047 if (rv == 0)
1048 BIO_puts(bio_err, " No Receipt Request\n");
1049 else if (rv < 0) {
1050 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1051 ERR_print_errors(bio_err);
1052 } else {
1053 char *id;
1054 int idlen;
1055 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1056 &rlist, &rto);
1057 BIO_puts(out, " Signed Content ID:\n");
1058 idlen = ASN1_STRING_length(scid);
1059 id = (char *) ASN1_STRING_data(scid);
1060 BIO_dump_indent(out, id, idlen, 4);
1061 BIO_puts(out, " Receipts From");
1062 if (rlist) {
1063 BIO_puts(out, " List:\n");
1064 gnames_stack_print(out, rlist);
1065 } else if (allorfirst == 1)
1066 BIO_puts(out, ": First Tier\n");
1067 else if (allorfirst == 0)
1068 BIO_puts(out, ": All\n");
1069 else
1070 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1071 BIO_puts(out, " Receipts To:\n");
1072 gnames_stack_print(out, rto);
1073 }
1074 if (rr)
1075 CMS_ReceiptRequest_free(rr);
1076 }
1077}
1078
1079static STACK_OF(GENERAL_NAMES) *
1080make_names_stack(STACK_OF(OPENSSL_STRING) * ns)
1081{
1082 int i;
1083 STACK_OF(GENERAL_NAMES) * ret;
1084 GENERAL_NAMES *gens = NULL;
1085 GENERAL_NAME *gen = NULL;
1086 ret = sk_GENERAL_NAMES_new_null();
1087 if (!ret)
1088 goto err;
1089 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1090 char *str = sk_OPENSSL_STRING_value(ns, i);
1091 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1092 if (!gen)
1093 goto err;
1094 gens = GENERAL_NAMES_new();
1095 if (!gens)
1096 goto err;
1097 if (!sk_GENERAL_NAME_push(gens, gen))
1098 goto err;
1099 gen = NULL;
1100 if (!sk_GENERAL_NAMES_push(ret, gens))
1101 goto err;
1102 gens = NULL;
1103 }
1104
1105 return ret;
1106
1107err:
1108 if (ret)
1109 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1110 if (gens)
1111 GENERAL_NAMES_free(gens);
1112 if (gen)
1113 GENERAL_NAME_free(gen);
1114 return NULL;
1115}
1116
1117
1118static CMS_ReceiptRequest *
1119make_receipt_request(STACK_OF(OPENSSL_STRING) * rr_to, int rr_allorfirst,
1120 STACK_OF(OPENSSL_STRING) * rr_from)
1121{
1122 STACK_OF(GENERAL_NAMES) * rct_to, *rct_from;
1123 CMS_ReceiptRequest *rr;
1124
1125 rct_to = make_names_stack(rr_to);
1126 if (!rct_to)
1127 goto err;
1128 if (rr_from) {
1129 rct_from = make_names_stack(rr_from);
1130 if (!rct_from)
1131 goto err;
1132 } else
1133 rct_from = NULL;
1134 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1135 rct_to);
1136 return rr;
1137
1138err:
1139 return NULL;
1140}
1141
1142#endif
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-21 10:58:26 +0000