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1 /* apps/cms.c */
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 #include "apps.h"
59 
60 #ifndef OPENSSL_NO_CMS
61 
62 #include <openssl/crypto.h>
63 #include <openssl/pem.h>
64 #include <openssl/err.h>
65 #include <openssl/x509_vfy.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/cms.h>
68 
69 #undef PROG
70 #define PROG cms_main
71 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
72 static int cms_cb(int ok, X509_STORE_CTX *ctx);
73 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
74 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
75 						int rr_allorfirst,
76 					STACK_OF(OPENSSL_STRING) *rr_from);
77 
78 #define SMIME_OP	0x10
79 #define SMIME_IP	0x20
80 #define SMIME_SIGNERS	0x40
81 #define SMIME_ENCRYPT		(1 | SMIME_OP)
82 #define SMIME_DECRYPT		(2 | SMIME_IP)
83 #define SMIME_SIGN		(3 | SMIME_OP | SMIME_SIGNERS)
84 #define SMIME_VERIFY		(4 | SMIME_IP)
85 #define SMIME_CMSOUT		(5 | SMIME_IP | SMIME_OP)
86 #define SMIME_RESIGN		(6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
87 #define SMIME_DATAOUT		(7 | SMIME_IP)
88 #define SMIME_DATA_CREATE	(8 | SMIME_OP)
89 #define SMIME_DIGEST_VERIFY	(9 | SMIME_IP)
90 #define SMIME_DIGEST_CREATE	(10 | SMIME_OP)
91 #define SMIME_UNCOMPRESS	(11 | SMIME_IP)
92 #define SMIME_COMPRESS		(12 | SMIME_OP)
93 #define SMIME_ENCRYPTED_DECRYPT	(13 | SMIME_IP)
94 #define SMIME_ENCRYPTED_ENCRYPT	(14 | SMIME_OP)
95 #define SMIME_SIGN_RECEIPT	(15 | SMIME_IP | SMIME_OP)
96 #define SMIME_VERIFY_RECEIPT	(16 | SMIME_IP)
97 
98 int verify_err = 0;
99 
100 int MAIN(int, char **);
101 
MAIN(int argc,char ** argv)102 int MAIN(int argc, char **argv)
103 	{
104 	ENGINE *e = NULL;
105 	int operation = 0;
106 	int ret = 0;
107 	char **args;
108 	const char *inmode = "r", *outmode = "w";
109 	char *infile = NULL, *outfile = NULL, *rctfile = NULL;
110 	char *signerfile = NULL, *recipfile = NULL;
111 	STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
112 	char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
113 	char *certsoutfile = NULL;
114 	const EVP_CIPHER *cipher = NULL;
115 	CMS_ContentInfo *cms = NULL, *rcms = NULL;
116 	X509_STORE *store = NULL;
117 	X509 *cert = NULL, *recip = NULL, *signer = NULL;
118 	EVP_PKEY *key = NULL;
119 	STACK_OF(X509) *encerts = NULL, *other = NULL;
120 	BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
121 	int badarg = 0;
122 	int flags = CMS_DETACHED, noout = 0, print = 0;
123 	int verify_retcode = 0;
124 	int rr_print = 0, rr_allorfirst = -1;
125 	STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
126 	CMS_ReceiptRequest *rr = NULL;
127 	char *to = NULL, *from = NULL, *subject = NULL;
128 	char *CAfile = NULL, *CApath = NULL;
129 	char *passargin = NULL, *passin = NULL;
130 	char *inrand = NULL;
131 	int need_rand = 0;
132 	const EVP_MD *sign_md = NULL;
133 	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
134         int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
135 #ifndef OPENSSL_NO_ENGINE
136 	char *engine=NULL;
137 #endif
138 	unsigned char *secret_key = NULL, *secret_keyid = NULL;
139 	size_t secret_keylen = 0, secret_keyidlen = 0;
140 
141 	ASN1_OBJECT *econtent_type = NULL;
142 
143 	X509_VERIFY_PARAM *vpm = NULL;
144 
145 	args = argv + 1;
146 	ret = 1;
147 
148 	apps_startup();
149 
150 	if (bio_err == NULL)
151 		{
152 		if ((bio_err = BIO_new(BIO_s_file())) != NULL)
153 			BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
154 		}
155 
156 	if (!load_config(bio_err, NULL))
157 		goto end;
158 
159 	while (!badarg && *args && *args[0] == '-')
160 		{
161 		if (!strcmp (*args, "-encrypt"))
162 			operation = SMIME_ENCRYPT;
163 		else if (!strcmp (*args, "-decrypt"))
164 			operation = SMIME_DECRYPT;
165 		else if (!strcmp (*args, "-sign"))
166 			operation = SMIME_SIGN;
167 		else if (!strcmp (*args, "-sign_receipt"))
168 			operation = SMIME_SIGN_RECEIPT;
169 		else if (!strcmp (*args, "-resign"))
170 			operation = SMIME_RESIGN;
171 		else if (!strcmp (*args, "-verify"))
172 			operation = SMIME_VERIFY;
173 		else if (!strcmp (*args, "-verify_retcode"))
174 			verify_retcode = 1;
175 		else if (!strcmp(*args,"-verify_receipt"))
176 			{
177 			operation = SMIME_VERIFY_RECEIPT;
178 			if (!args[1])
179 				goto argerr;
180 			args++;
181 			rctfile = *args;
182 			}
183 		else if (!strcmp (*args, "-cmsout"))
184 			operation = SMIME_CMSOUT;
185 		else if (!strcmp (*args, "-data_out"))
186 			operation = SMIME_DATAOUT;
187 		else if (!strcmp (*args, "-data_create"))
188 			operation = SMIME_DATA_CREATE;
189 		else if (!strcmp (*args, "-digest_verify"))
190 			operation = SMIME_DIGEST_VERIFY;
191 		else if (!strcmp (*args, "-digest_create"))
192 			operation = SMIME_DIGEST_CREATE;
193 		else if (!strcmp (*args, "-compress"))
194 			operation = SMIME_COMPRESS;
195 		else if (!strcmp (*args, "-uncompress"))
196 			operation = SMIME_UNCOMPRESS;
197 		else if (!strcmp (*args, "-EncryptedData_decrypt"))
198 			operation = SMIME_ENCRYPTED_DECRYPT;
199 		else if (!strcmp (*args, "-EncryptedData_encrypt"))
200 			operation = SMIME_ENCRYPTED_ENCRYPT;
201 #ifndef OPENSSL_NO_DES
202 		else if (!strcmp (*args, "-des3"))
203 				cipher = EVP_des_ede3_cbc();
204 		else if (!strcmp (*args, "-des"))
205 				cipher = EVP_des_cbc();
206 #endif
207 #ifndef OPENSSL_NO_SEED
208 		else if (!strcmp (*args, "-seed"))
209 				cipher = EVP_seed_cbc();
210 #endif
211 #ifndef OPENSSL_NO_RC2
212 		else if (!strcmp (*args, "-rc2-40"))
213 				cipher = EVP_rc2_40_cbc();
214 		else if (!strcmp (*args, "-rc2-128"))
215 				cipher = EVP_rc2_cbc();
216 		else if (!strcmp (*args, "-rc2-64"))
217 				cipher = EVP_rc2_64_cbc();
218 #endif
219 #ifndef OPENSSL_NO_AES
220 		else if (!strcmp(*args,"-aes128"))
221 				cipher = EVP_aes_128_cbc();
222 		else if (!strcmp(*args,"-aes192"))
223 				cipher = EVP_aes_192_cbc();
224 		else if (!strcmp(*args,"-aes256"))
225 				cipher = EVP_aes_256_cbc();
226 #endif
227 #ifndef OPENSSL_NO_CAMELLIA
228 		else if (!strcmp(*args,"-camellia128"))
229 				cipher = EVP_camellia_128_cbc();
230 		else if (!strcmp(*args,"-camellia192"))
231 				cipher = EVP_camellia_192_cbc();
232 		else if (!strcmp(*args,"-camellia256"))
233 				cipher = EVP_camellia_256_cbc();
234 #endif
235 		else if (!strcmp (*args, "-text"))
236 				flags |= CMS_TEXT;
237 		else if (!strcmp (*args, "-nointern"))
238 				flags |= CMS_NOINTERN;
239 		else if (!strcmp (*args, "-noverify")
240 			|| !strcmp (*args, "-no_signer_cert_verify"))
241 				flags |= CMS_NO_SIGNER_CERT_VERIFY;
242 		else if (!strcmp (*args, "-nocerts"))
243 				flags |= CMS_NOCERTS;
244 		else if (!strcmp (*args, "-noattr"))
245 				flags |= CMS_NOATTR;
246 		else if (!strcmp (*args, "-nodetach"))
247 				flags &= ~CMS_DETACHED;
248 		else if (!strcmp (*args, "-nosmimecap"))
249 				flags |= CMS_NOSMIMECAP;
250 		else if (!strcmp (*args, "-binary"))
251 				flags |= CMS_BINARY;
252 		else if (!strcmp (*args, "-keyid"))
253 				flags |= CMS_USE_KEYID;
254 		else if (!strcmp (*args, "-nosigs"))
255 				flags |= CMS_NOSIGS;
256 		else if (!strcmp (*args, "-no_content_verify"))
257 				flags |= CMS_NO_CONTENT_VERIFY;
258 		else if (!strcmp (*args, "-no_attr_verify"))
259 				flags |= CMS_NO_ATTR_VERIFY;
260 		else if (!strcmp (*args, "-stream"))
261 				flags |= CMS_STREAM;
262 		else if (!strcmp (*args, "-indef"))
263 				flags |= CMS_STREAM;
264 		else if (!strcmp (*args, "-noindef"))
265 				flags &= ~CMS_STREAM;
266 		else if (!strcmp (*args, "-nooldmime"))
267 				flags |= CMS_NOOLDMIMETYPE;
268 		else if (!strcmp (*args, "-crlfeol"))
269 				flags |= CMS_CRLFEOL;
270 		else if (!strcmp (*args, "-noout"))
271 				noout = 1;
272 		else if (!strcmp (*args, "-receipt_request_print"))
273 				rr_print = 1;
274 		else if (!strcmp (*args, "-receipt_request_all"))
275 				rr_allorfirst = 0;
276 		else if (!strcmp (*args, "-receipt_request_first"))
277 				rr_allorfirst = 1;
278 		else if (!strcmp(*args,"-receipt_request_from"))
279 			{
280 			if (!args[1])
281 				goto argerr;
282 			args++;
283 			if (!rr_from)
284 				rr_from = sk_OPENSSL_STRING_new_null();
285 			sk_OPENSSL_STRING_push(rr_from, *args);
286 			}
287 		else if (!strcmp(*args,"-receipt_request_to"))
288 			{
289 			if (!args[1])
290 				goto argerr;
291 			args++;
292 			if (!rr_to)
293 				rr_to = sk_OPENSSL_STRING_new_null();
294 			sk_OPENSSL_STRING_push(rr_to, *args);
295 			}
296 		else if (!strcmp (*args, "-print"))
297 				{
298 				noout = 1;
299 				print = 1;
300 				}
301 		else if (!strcmp(*args,"-secretkey"))
302 			{
303 			long ltmp;
304 			if (!args[1])
305 				goto argerr;
306 			args++;
307 			secret_key = string_to_hex(*args, &ltmp);
308 			if (!secret_key)
309 				{
310 				BIO_printf(bio_err, "Invalid key %s\n", *args);
311 				goto argerr;
312 				}
313 			secret_keylen = (size_t)ltmp;
314 			}
315 		else if (!strcmp(*args,"-secretkeyid"))
316 			{
317 			long ltmp;
318 			if (!args[1])
319 				goto argerr;
320 			args++;
321 			secret_keyid = string_to_hex(*args, &ltmp);
322 			if (!secret_keyid)
323 				{
324 				BIO_printf(bio_err, "Invalid id %s\n", *args);
325 				goto argerr;
326 				}
327 			secret_keyidlen = (size_t)ltmp;
328 			}
329 		else if (!strcmp(*args,"-econtent_type"))
330 			{
331 			if (!args[1])
332 				goto argerr;
333 			args++;
334 			econtent_type = OBJ_txt2obj(*args, 0);
335 			if (!econtent_type)
336 				{
337 				BIO_printf(bio_err, "Invalid OID %s\n", *args);
338 				goto argerr;
339 				}
340 			}
341 		else if (!strcmp(*args,"-rand"))
342 			{
343 			if (!args[1])
344 				goto argerr;
345 			args++;
346 			inrand = *args;
347 			need_rand = 1;
348 			}
349 #ifndef OPENSSL_NO_ENGINE
350 		else if (!strcmp(*args,"-engine"))
351 			{
352 			if (!args[1])
353 				goto argerr;
354 			engine = *++args;
355 			}
356 #endif
357 		else if (!strcmp(*args,"-passin"))
358 			{
359 			if (!args[1])
360 				goto argerr;
361 			passargin = *++args;
362 			}
363 		else if (!strcmp (*args, "-to"))
364 			{
365 			if (!args[1])
366 				goto argerr;
367 			to = *++args;
368 			}
369 		else if (!strcmp (*args, "-from"))
370 			{
371 			if (!args[1])
372 				goto argerr;
373 			from = *++args;
374 			}
375 		else if (!strcmp (*args, "-subject"))
376 			{
377 			if (!args[1])
378 				goto argerr;
379 			subject = *++args;
380 			}
381 		else if (!strcmp (*args, "-signer"))
382 			{
383 			if (!args[1])
384 				goto argerr;
385 			/* If previous -signer argument add signer to list */
386 
387 			if (signerfile)
388 				{
389 				if (!sksigners)
390 					sksigners = sk_OPENSSL_STRING_new_null();
391 				sk_OPENSSL_STRING_push(sksigners, signerfile);
392 				if (!keyfile)
393 					keyfile = signerfile;
394 				if (!skkeys)
395 					skkeys = sk_OPENSSL_STRING_new_null();
396 				sk_OPENSSL_STRING_push(skkeys, keyfile);
397 				keyfile = NULL;
398 				}
399 			signerfile = *++args;
400 			}
401 		else if (!strcmp (*args, "-recip"))
402 			{
403 			if (!args[1])
404 				goto argerr;
405 			recipfile = *++args;
406 			}
407 		else if (!strcmp (*args, "-certsout"))
408 			{
409 			if (!args[1])
410 				goto argerr;
411 			certsoutfile = *++args;
412 			}
413 		else if (!strcmp (*args, "-md"))
414 			{
415 			if (!args[1])
416 				goto argerr;
417 			sign_md = EVP_get_digestbyname(*++args);
418 			if (sign_md == NULL)
419 				{
420 				BIO_printf(bio_err, "Unknown digest %s\n",
421 							*args);
422 				goto argerr;
423 				}
424 			}
425 		else if (!strcmp (*args, "-inkey"))
426 			{
427 			if (!args[1])
428 				goto argerr;
429 			/* If previous -inkey arument add signer to list */
430 			if (keyfile)
431 				{
432 				if (!signerfile)
433 					{
434 					BIO_puts(bio_err, "Illegal -inkey without -signer\n");
435 					goto argerr;
436 					}
437 				if (!sksigners)
438 					sksigners = sk_OPENSSL_STRING_new_null();
439 				sk_OPENSSL_STRING_push(sksigners, signerfile);
440 				signerfile = NULL;
441 				if (!skkeys)
442 					skkeys = sk_OPENSSL_STRING_new_null();
443 				sk_OPENSSL_STRING_push(skkeys, keyfile);
444 				}
445 			keyfile = *++args;
446 			}
447 		else if (!strcmp (*args, "-keyform"))
448 			{
449 			if (!args[1])
450 				goto argerr;
451 			keyform = str2fmt(*++args);
452 			}
453 		else if (!strcmp (*args, "-rctform"))
454 			{
455 			if (!args[1])
456 				goto argerr;
457 			rctformat = str2fmt(*++args);
458 			}
459 		else if (!strcmp (*args, "-certfile"))
460 			{
461 			if (!args[1])
462 				goto argerr;
463 			certfile = *++args;
464 			}
465 		else if (!strcmp (*args, "-CAfile"))
466 			{
467 			if (!args[1])
468 				goto argerr;
469 			CAfile = *++args;
470 			}
471 		else if (!strcmp (*args, "-CApath"))
472 			{
473 			if (!args[1])
474 				goto argerr;
475 			CApath = *++args;
476 			}
477 		else if (!strcmp (*args, "-in"))
478 			{
479 			if (!args[1])
480 				goto argerr;
481 			infile = *++args;
482 			}
483 		else if (!strcmp (*args, "-inform"))
484 			{
485 			if (!args[1])
486 				goto argerr;
487 			informat = str2fmt(*++args);
488 			}
489 		else if (!strcmp (*args, "-outform"))
490 			{
491 			if (!args[1])
492 				goto argerr;
493 			outformat = str2fmt(*++args);
494 			}
495 		else if (!strcmp (*args, "-out"))
496 			{
497 			if (!args[1])
498 				goto argerr;
499 			outfile = *++args;
500 			}
501 		else if (!strcmp (*args, "-content"))
502 			{
503 			if (!args[1])
504 				goto argerr;
505 			contfile = *++args;
506 			}
507 		else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
508 			continue;
509 		else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
510 			badarg = 1;
511 		args++;
512 		}
513 
514 	if (((rr_allorfirst != -1) || rr_from) && !rr_to)
515 		{
516 		BIO_puts(bio_err, "No Signed Receipts Recipients\n");
517 		goto argerr;
518 		}
519 
520 	if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
521 		{
522 		BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
523 		goto argerr;
524 		}
525 	if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
526 		{
527 		BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
528 		goto argerr;
529 		}
530 
531 	if (operation & SMIME_SIGNERS)
532 		{
533 		if (keyfile && !signerfile)
534 			{
535 			BIO_puts(bio_err, "Illegal -inkey without -signer\n");
536 			goto argerr;
537 			}
538 		/* Check to see if any final signer needs to be appended */
539 		if (signerfile)
540 			{
541 			if (!sksigners)
542 				sksigners = sk_OPENSSL_STRING_new_null();
543 			sk_OPENSSL_STRING_push(sksigners, signerfile);
544 			if (!skkeys)
545 				skkeys = sk_OPENSSL_STRING_new_null();
546 			if (!keyfile)
547 				keyfile = signerfile;
548 			sk_OPENSSL_STRING_push(skkeys, keyfile);
549 			}
550 		if (!sksigners)
551 			{
552 			BIO_printf(bio_err, "No signer certificate specified\n");
553 			badarg = 1;
554 			}
555 		signerfile = NULL;
556 		keyfile = NULL;
557 		need_rand = 1;
558 		}
559 
560 	else if (operation == SMIME_DECRYPT)
561 		{
562 		if (!recipfile && !keyfile && !secret_key)
563 			{
564 			BIO_printf(bio_err, "No recipient certificate or key specified\n");
565 			badarg = 1;
566 			}
567 		}
568 	else if (operation == SMIME_ENCRYPT)
569 		{
570 		if (!*args && !secret_key)
571 			{
572 			BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
573 			badarg = 1;
574 			}
575 		need_rand = 1;
576 		}
577 	else if (!operation)
578 		badarg = 1;
579 
580 	if (badarg)
581 		{
582 		argerr:
583 		BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
584 		BIO_printf (bio_err, "where options are\n");
585 		BIO_printf (bio_err, "-encrypt       encrypt message\n");
586 		BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
587 		BIO_printf (bio_err, "-sign          sign message\n");
588 		BIO_printf (bio_err, "-verify        verify signed message\n");
589 		BIO_printf (bio_err, "-cmsout        output CMS structure\n");
590 #ifndef OPENSSL_NO_DES
591 		BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
592 		BIO_printf (bio_err, "-des           encrypt with DES\n");
593 #endif
594 #ifndef OPENSSL_NO_SEED
595 		BIO_printf (bio_err, "-seed          encrypt with SEED\n");
596 #endif
597 #ifndef OPENSSL_NO_RC2
598 		BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
599 		BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
600 		BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
601 #endif
602 #ifndef OPENSSL_NO_AES
603 		BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
604 		BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
605 #endif
606 #ifndef OPENSSL_NO_CAMELLIA
607 		BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
608 		BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
609 #endif
610 		BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
611 		BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
612 		BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
613 		BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
614 		BIO_printf (bio_err, "-nodetach      use opaque signing\n");
615 		BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
616 		BIO_printf (bio_err, "-binary        don't translate message to text\n");
617 		BIO_printf (bio_err, "-certfile file other certificates file\n");
618 		BIO_printf (bio_err, "-certsout file certificate output file\n");
619 		BIO_printf (bio_err, "-signer file   signer certificate file\n");
620 		BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
621 		BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
622 		BIO_printf (bio_err, "-in file       input file\n");
623 		BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
624 		BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
625 		BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
626 		BIO_printf (bio_err, "-out file      output file\n");
627 		BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
628 		BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
629 		BIO_printf (bio_err, "-to addr       to address\n");
630 		BIO_printf (bio_err, "-from ad       from address\n");
631 		BIO_printf (bio_err, "-subject s     subject\n");
632 		BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
633 		BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
634 		BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
635 		BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
636 		BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
637 #ifndef OPENSSL_NO_ENGINE
638 		BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
639 #endif
640 		BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
641 		BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
642 		BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
643 		BIO_printf(bio_err,  "               the random number generator\n");
644 		BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
645 		goto end;
646 		}
647 
648 #ifndef OPENSSL_NO_ENGINE
649         e = setup_engine(bio_err, engine, 0);
650 #endif
651 
652 	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
653 		{
654 		BIO_printf(bio_err, "Error getting password\n");
655 		goto end;
656 		}
657 
658 	if (need_rand)
659 		{
660 		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
661 		if (inrand != NULL)
662 			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
663 				app_RAND_load_files(inrand));
664 		}
665 
666 	ret = 2;
667 
668 	if (!(operation & SMIME_SIGNERS))
669 		flags &= ~CMS_DETACHED;
670 
671 	if (operation & SMIME_OP)
672 		{
673 		if (outformat == FORMAT_ASN1)
674 			outmode = "wb";
675 		}
676 	else
677 		{
678 		if (flags & CMS_BINARY)
679 			outmode = "wb";
680 		}
681 
682 	if (operation & SMIME_IP)
683 		{
684 		if (informat == FORMAT_ASN1)
685 			inmode = "rb";
686 		}
687 	else
688 		{
689 		if (flags & CMS_BINARY)
690 			inmode = "rb";
691 		}
692 
693 	if (operation == SMIME_ENCRYPT)
694 		{
695 		if (!cipher)
696 			{
697 #ifndef OPENSSL_NO_DES
698 			cipher = EVP_des_ede3_cbc();
699 #else
700 			BIO_printf(bio_err, "No cipher selected\n");
701 			goto end;
702 #endif
703 			}
704 
705 		if (secret_key && !secret_keyid)
706 			{
707 			BIO_printf(bio_err, "No secret key id\n");
708 			goto end;
709 			}
710 
711 		if (*args)
712 			encerts = sk_X509_new_null();
713 		while (*args)
714 			{
715 			if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
716 				NULL, e, "recipient certificate file")))
717 				goto end;
718 			sk_X509_push(encerts, cert);
719 			cert = NULL;
720 			args++;
721 			}
722 		}
723 
724 	if (certfile)
725 		{
726 		if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
727 			e, "certificate file")))
728 			{
729 			ERR_print_errors(bio_err);
730 			goto end;
731 			}
732 		}
733 
734 	if (recipfile && (operation == SMIME_DECRYPT))
735 		{
736 		if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
737 			e, "recipient certificate file")))
738 			{
739 			ERR_print_errors(bio_err);
740 			goto end;
741 			}
742 		}
743 
744 	if (operation == SMIME_SIGN_RECEIPT)
745 		{
746 		if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
747 			e, "receipt signer certificate file")))
748 			{
749 			ERR_print_errors(bio_err);
750 			goto end;
751 			}
752 		}
753 
754 	if (operation == SMIME_DECRYPT)
755 		{
756 		if (!keyfile)
757 			keyfile = recipfile;
758 		}
759 	else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
760 		{
761 		if (!keyfile)
762 			keyfile = signerfile;
763 		}
764 	else keyfile = NULL;
765 
766 	if (keyfile)
767 		{
768 		key = load_key(bio_err, keyfile, keyform, 0, passin, e,
769 			       "signing key file");
770 		if (!key)
771 			goto end;
772 		}
773 
774 	if (infile)
775 		{
776 		if (!(in = BIO_new_file(infile, inmode)))
777 			{
778 			BIO_printf (bio_err,
779 				 "Can't open input file %s\n", infile);
780 			goto end;
781 			}
782 		}
783 	else
784 		in = BIO_new_fp(stdin, BIO_NOCLOSE);
785 
786 	if (operation & SMIME_IP)
787 		{
788 		if (informat == FORMAT_SMIME)
789 			cms = SMIME_read_CMS(in, &indata);
790 		else if (informat == FORMAT_PEM)
791 			cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
792 		else if (informat == FORMAT_ASN1)
793 			cms = d2i_CMS_bio(in, NULL);
794 		else
795 			{
796 			BIO_printf(bio_err, "Bad input format for CMS file\n");
797 			goto end;
798 			}
799 
800 		if (!cms)
801 			{
802 			BIO_printf(bio_err, "Error reading S/MIME message\n");
803 			goto end;
804 			}
805 		if (contfile)
806 			{
807 			BIO_free(indata);
808 			if (!(indata = BIO_new_file(contfile, "rb")))
809 				{
810 				BIO_printf(bio_err, "Can't read content file %s\n", contfile);
811 				goto end;
812 				}
813 			}
814 		if (certsoutfile)
815 			{
816 			STACK_OF(X509) *allcerts;
817 			allcerts = CMS_get1_certs(cms);
818 			if (!save_certs(certsoutfile, allcerts))
819 				{
820 				BIO_printf(bio_err,
821 						"Error writing certs to %s\n",
822 								certsoutfile);
823 				ret = 5;
824 				goto end;
825 				}
826 			sk_X509_pop_free(allcerts, X509_free);
827 			}
828 		}
829 
830 	if (rctfile)
831 		{
832 		char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
833 		if (!(rctin = BIO_new_file(rctfile, rctmode)))
834 			{
835 			BIO_printf (bio_err,
836 				 "Can't open receipt file %s\n", rctfile);
837 			goto end;
838 			}
839 
840 		if (rctformat == FORMAT_SMIME)
841 			rcms = SMIME_read_CMS(rctin, NULL);
842 		else if (rctformat == FORMAT_PEM)
843 			rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
844 		else if (rctformat == FORMAT_ASN1)
845 			rcms = d2i_CMS_bio(rctin, NULL);
846 		else
847 			{
848 			BIO_printf(bio_err, "Bad input format for receipt\n");
849 			goto end;
850 			}
851 
852 		if (!rcms)
853 			{
854 			BIO_printf(bio_err, "Error reading receipt\n");
855 			goto end;
856 			}
857 		}
858 
859 	if (outfile)
860 		{
861 		if (!(out = BIO_new_file(outfile, outmode)))
862 			{
863 			BIO_printf (bio_err,
864 				 "Can't open output file %s\n", outfile);
865 			goto end;
866 			}
867 		}
868 	else
869 		{
870 		out = BIO_new_fp(stdout, BIO_NOCLOSE);
871 #ifdef OPENSSL_SYS_VMS
872 		{
873 		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
874 		    out = BIO_push(tmpbio, out);
875 		}
876 #endif
877 		}
878 
879 	if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
880 		{
881 		if (!(store = setup_verify(bio_err, CAfile, CApath)))
882 			goto end;
883 		X509_STORE_set_verify_cb(store, cms_cb);
884 		if (vpm)
885 			X509_STORE_set1_param(store, vpm);
886 		}
887 
888 
889 	ret = 3;
890 
891 	if (operation == SMIME_DATA_CREATE)
892 		{
893 		cms = CMS_data_create(in, flags);
894 		}
895 	else if (operation == SMIME_DIGEST_CREATE)
896 		{
897 		cms = CMS_digest_create(in, sign_md, flags);
898 		}
899 	else if (operation == SMIME_COMPRESS)
900 		{
901 		cms = CMS_compress(in, -1, flags);
902 		}
903 	else if (operation == SMIME_ENCRYPT)
904 		{
905 		flags |= CMS_PARTIAL;
906 		cms = CMS_encrypt(encerts, in, cipher, flags);
907 		if (!cms)
908 			goto end;
909 		if (secret_key)
910 			{
911 			if (!CMS_add0_recipient_key(cms, NID_undef,
912 						secret_key, secret_keylen,
913 						secret_keyid, secret_keyidlen,
914 						NULL, NULL, NULL))
915 				goto end;
916 			/* NULL these because call absorbs them */
917 			secret_key = NULL;
918 			secret_keyid = NULL;
919 			}
920 		if (!(flags & CMS_STREAM))
921 			{
922 			if (!CMS_final(cms, in, NULL, flags))
923 				goto end;
924 			}
925 		}
926 	else if (operation == SMIME_ENCRYPTED_ENCRYPT)
927 		{
928 		cms = CMS_EncryptedData_encrypt(in, cipher,
929 						secret_key, secret_keylen,
930 						flags);
931 
932 		}
933 	else if (operation == SMIME_SIGN_RECEIPT)
934 		{
935 		CMS_ContentInfo *srcms = NULL;
936 		STACK_OF(CMS_SignerInfo) *sis;
937 		CMS_SignerInfo *si;
938 		sis = CMS_get0_SignerInfos(cms);
939 		if (!sis)
940 			goto end;
941 		si = sk_CMS_SignerInfo_value(sis, 0);
942 		srcms = CMS_sign_receipt(si, signer, key, other, flags);
943 		if (!srcms)
944 			goto end;
945 		CMS_ContentInfo_free(cms);
946 		cms = srcms;
947 		}
948 	else if (operation & SMIME_SIGNERS)
949 		{
950 		int i;
951 		/* If detached data content we enable streaming if
952 		 * S/MIME output format.
953 		 */
954 		if (operation == SMIME_SIGN)
955 			{
956 
957 			if (flags & CMS_DETACHED)
958 				{
959 				if (outformat == FORMAT_SMIME)
960 					flags |= CMS_STREAM;
961 				}
962 			flags |= CMS_PARTIAL;
963 			cms = CMS_sign(NULL, NULL, other, in, flags);
964 			if (!cms)
965 				goto end;
966 			if (econtent_type)
967 				CMS_set1_eContentType(cms, econtent_type);
968 
969 			if (rr_to)
970 				{
971 				rr = make_receipt_request(rr_to, rr_allorfirst,
972 								rr_from);
973 				if (!rr)
974 					{
975 					BIO_puts(bio_err,
976 				"Signed Receipt Request Creation Error\n");
977 					goto end;
978 					}
979 				}
980 			}
981 		else
982 			flags |= CMS_REUSE_DIGEST;
983 		for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
984 			{
985 			CMS_SignerInfo *si;
986 			signerfile = sk_OPENSSL_STRING_value(sksigners, i);
987 			keyfile = sk_OPENSSL_STRING_value(skkeys, i);
988 			signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
989 					e, "signer certificate");
990 			if (!signer)
991 				goto end;
992 			key = load_key(bio_err, keyfile, keyform, 0, passin, e,
993 			       "signing key file");
994 			if (!key)
995 				goto end;
996 			si = CMS_add1_signer(cms, signer, key, sign_md, flags);
997 			if (!si)
998 				goto end;
999 			if (rr && !CMS_add1_ReceiptRequest(si, rr))
1000 				goto end;
1001 			X509_free(signer);
1002 			signer = NULL;
1003 			EVP_PKEY_free(key);
1004 			key = NULL;
1005 			}
1006 		/* If not streaming or resigning finalize structure */
1007 		if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1008 			{
1009 			if (!CMS_final(cms, in, NULL, flags))
1010 				goto end;
1011 			}
1012 		}
1013 
1014 	if (!cms)
1015 		{
1016 		BIO_printf(bio_err, "Error creating CMS structure\n");
1017 		goto end;
1018 		}
1019 
1020 	ret = 4;
1021 	if (operation == SMIME_DECRYPT)
1022 		{
1023 
1024 		if (secret_key)
1025 			{
1026 			if (!CMS_decrypt_set1_key(cms,
1027 						secret_key, secret_keylen,
1028 						secret_keyid, secret_keyidlen))
1029 				{
1030 				BIO_puts(bio_err,
1031 					"Error decrypting CMS using secret key\n");
1032 				goto end;
1033 				}
1034 			}
1035 
1036 		if (key)
1037 			{
1038 			if (!CMS_decrypt_set1_pkey(cms, key, recip))
1039 				{
1040 				BIO_puts(bio_err,
1041 					"Error decrypting CMS using private key\n");
1042 				goto end;
1043 				}
1044 			}
1045 
1046 		if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1047 			{
1048 			BIO_printf(bio_err, "Error decrypting CMS structure\n");
1049 			goto end;
1050 			}
1051 		}
1052 	else if (operation == SMIME_DATAOUT)
1053 		{
1054 		if (!CMS_data(cms, out, flags))
1055 			goto end;
1056 		}
1057 	else if (operation == SMIME_UNCOMPRESS)
1058 		{
1059 		if (!CMS_uncompress(cms, indata, out, flags))
1060 			goto end;
1061 		}
1062 	else if (operation == SMIME_DIGEST_VERIFY)
1063 		{
1064 		if (CMS_digest_verify(cms, indata, out, flags) > 0)
1065 			BIO_printf(bio_err, "Verification successful\n");
1066 		else
1067 			{
1068 			BIO_printf(bio_err, "Verification failure\n");
1069 			goto end;
1070 			}
1071 		}
1072 	else if (operation == SMIME_ENCRYPTED_DECRYPT)
1073 		{
1074 		if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1075 						indata, out, flags))
1076 			goto end;
1077 		}
1078 	else if (operation == SMIME_VERIFY)
1079 		{
1080 		if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1081 			BIO_printf(bio_err, "Verification successful\n");
1082 		else
1083 			{
1084 			BIO_printf(bio_err, "Verification failure\n");
1085 			if (verify_retcode)
1086 				ret = verify_err + 32;
1087 			goto end;
1088 			}
1089 		if (signerfile)
1090 			{
1091 			STACK_OF(X509) *signers;
1092 			signers = CMS_get0_signers(cms);
1093 			if (!save_certs(signerfile, signers))
1094 				{
1095 				BIO_printf(bio_err,
1096 						"Error writing signers to %s\n",
1097 								signerfile);
1098 				ret = 5;
1099 				goto end;
1100 				}
1101 			sk_X509_free(signers);
1102 			}
1103 		if (rr_print)
1104 			receipt_request_print(bio_err, cms);
1105 
1106 		}
1107 	else if (operation == SMIME_VERIFY_RECEIPT)
1108 		{
1109 		if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1110 			BIO_printf(bio_err, "Verification successful\n");
1111 		else
1112 			{
1113 			BIO_printf(bio_err, "Verification failure\n");
1114 			goto end;
1115 			}
1116 		}
1117 	else
1118 		{
1119 		if (noout)
1120 			{
1121 			if (print)
1122 				CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1123 			}
1124 		else if (outformat == FORMAT_SMIME)
1125 			{
1126 			if (to)
1127 				BIO_printf(out, "To: %s\n", to);
1128 			if (from)
1129 				BIO_printf(out, "From: %s\n", from);
1130 			if (subject)
1131 				BIO_printf(out, "Subject: %s\n", subject);
1132 			if (operation == SMIME_RESIGN)
1133 				ret = SMIME_write_CMS(out, cms, indata, flags);
1134 			else
1135 				ret = SMIME_write_CMS(out, cms, in, flags);
1136 			}
1137 		else if (outformat == FORMAT_PEM)
1138 			ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1139 		else if (outformat == FORMAT_ASN1)
1140 			ret = i2d_CMS_bio_stream(out,cms, in, flags);
1141 		else
1142 			{
1143 			BIO_printf(bio_err, "Bad output format for CMS file\n");
1144 			goto end;
1145 			}
1146 		if (ret <= 0)
1147 			{
1148 			ret = 6;
1149 			goto end;
1150 			}
1151 		}
1152 	ret = 0;
1153 end:
1154 	if (ret)
1155 		ERR_print_errors(bio_err);
1156 	if (need_rand)
1157 		app_RAND_write_file(NULL, bio_err);
1158 	sk_X509_pop_free(encerts, X509_free);
1159 	sk_X509_pop_free(other, X509_free);
1160 	if (vpm)
1161 		X509_VERIFY_PARAM_free(vpm);
1162 	if (sksigners)
1163 		sk_OPENSSL_STRING_free(sksigners);
1164 	if (skkeys)
1165 		sk_OPENSSL_STRING_free(skkeys);
1166 	if (secret_key)
1167 		OPENSSL_free(secret_key);
1168 	if (secret_keyid)
1169 		OPENSSL_free(secret_keyid);
1170 	if (econtent_type)
1171 		ASN1_OBJECT_free(econtent_type);
1172 	if (rr)
1173 		CMS_ReceiptRequest_free(rr);
1174 	if (rr_to)
1175 		sk_OPENSSL_STRING_free(rr_to);
1176 	if (rr_from)
1177 		sk_OPENSSL_STRING_free(rr_from);
1178 	X509_STORE_free(store);
1179 	X509_free(cert);
1180 	X509_free(recip);
1181 	X509_free(signer);
1182 	EVP_PKEY_free(key);
1183 	CMS_ContentInfo_free(cms);
1184 	CMS_ContentInfo_free(rcms);
1185 	BIO_free(rctin);
1186 	BIO_free(in);
1187 	BIO_free(indata);
1188 	BIO_free_all(out);
1189 	if (passin) OPENSSL_free(passin);
1190 	return (ret);
1191 }
1192 
save_certs(char * signerfile,STACK_OF (X509)* signers)1193 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1194 	{
1195 	int i;
1196 	BIO *tmp;
1197 	if (!signerfile)
1198 		return 1;
1199 	tmp = BIO_new_file(signerfile, "w");
1200 	if (!tmp) return 0;
1201 	for(i = 0; i < sk_X509_num(signers); i++)
1202 		PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1203 	BIO_free(tmp);
1204 	return 1;
1205 	}
1206 
1207 
1208 /* Minimal callback just to output policy info (if any) */
1209 
cms_cb(int ok,X509_STORE_CTX * ctx)1210 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1211 	{
1212 	int error;
1213 
1214 	error = X509_STORE_CTX_get_error(ctx);
1215 
1216 	verify_err = error;
1217 
1218 	if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1219 		&& ((error != X509_V_OK) || (ok != 2)))
1220 		return ok;
1221 
1222 	policies_print(NULL, ctx);
1223 
1224 	return ok;
1225 
1226 	}
1227 
gnames_stack_print(BIO * out,STACK_OF (GENERAL_NAMES)* gns)1228 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1229 	{
1230 	STACK_OF(GENERAL_NAME) *gens;
1231 	GENERAL_NAME *gen;
1232 	int i, j;
1233 	for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1234 		{
1235 		gens = sk_GENERAL_NAMES_value(gns, i);
1236 		for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1237 			{
1238 			gen = sk_GENERAL_NAME_value(gens, j);
1239 			BIO_puts(out, "    ");
1240 			GENERAL_NAME_print(out, gen);
1241 			BIO_puts(out, "\n");
1242 			}
1243 		}
1244 	return;
1245 	}
1246 
receipt_request_print(BIO * out,CMS_ContentInfo * cms)1247 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1248 	{
1249 	STACK_OF(CMS_SignerInfo) *sis;
1250 	CMS_SignerInfo *si;
1251 	CMS_ReceiptRequest *rr;
1252 	int allorfirst;
1253 	STACK_OF(GENERAL_NAMES) *rto, *rlist;
1254 	ASN1_STRING *scid;
1255 	int i, rv;
1256 	sis = CMS_get0_SignerInfos(cms);
1257 	for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1258 		{
1259 		si = sk_CMS_SignerInfo_value(sis, i);
1260 		rv = CMS_get1_ReceiptRequest(si, &rr);
1261 		BIO_printf(bio_err, "Signer %d:\n", i + 1);
1262 		if (rv == 0)
1263 			BIO_puts(bio_err, "  No Receipt Request\n");
1264 		else if (rv < 0)
1265 			{
1266 			BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1267 			ERR_print_errors(bio_err);
1268 			}
1269 		else
1270 			{
1271 			char *id;
1272 			int idlen;
1273 			CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1274 							&rlist, &rto);
1275 			BIO_puts(out, "  Signed Content ID:\n");
1276 			idlen = ASN1_STRING_length(scid);
1277 			id = (char *)ASN1_STRING_data(scid);
1278 			BIO_dump_indent(out, id, idlen, 4);
1279 			BIO_puts(out, "  Receipts From");
1280 			if (rlist)
1281 				{
1282 				BIO_puts(out, " List:\n");
1283 				gnames_stack_print(out, rlist);
1284 				}
1285 			else if (allorfirst == 1)
1286 				BIO_puts(out, ": First Tier\n");
1287 			else if (allorfirst == 0)
1288 				BIO_puts(out, ": All\n");
1289 			else
1290 				BIO_printf(out, " Unknown (%d)\n", allorfirst);
1291 			BIO_puts(out, "  Receipts To:\n");
1292 			gnames_stack_print(out, rto);
1293 			}
1294 		if (rr)
1295 			CMS_ReceiptRequest_free(rr);
1296 		}
1297 	}
1298 
STACK_OF(GENERAL_NAMES)1299 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1300 	{
1301 	int i;
1302 	STACK_OF(GENERAL_NAMES) *ret;
1303 	GENERAL_NAMES *gens = NULL;
1304 	GENERAL_NAME *gen = NULL;
1305 	ret = sk_GENERAL_NAMES_new_null();
1306 	if (!ret)
1307 		goto err;
1308 	for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++)
1309 		{
1310 		char *str = sk_OPENSSL_STRING_value(ns, i);
1311 		gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1312 		if (!gen)
1313 			goto err;
1314 		gens = GENERAL_NAMES_new();
1315 		if (!gens)
1316 			goto err;
1317 		if (!sk_GENERAL_NAME_push(gens, gen))
1318 			goto err;
1319 		gen = NULL;
1320 		if (!sk_GENERAL_NAMES_push(ret, gens))
1321 			goto err;
1322 		gens = NULL;
1323 		}
1324 
1325 	return ret;
1326 
1327 	err:
1328 	if (ret)
1329 		sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1330 	if (gens)
1331 		GENERAL_NAMES_free(gens);
1332 	if (gen)
1333 		GENERAL_NAME_free(gen);
1334 	return NULL;
1335 	}
1336 
1337 
make_receipt_request(STACK_OF (OPENSSL_STRING)* rr_to,int rr_allorfirst,STACK_OF (OPENSSL_STRING)* rr_from)1338 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
1339 						int rr_allorfirst,
1340 						STACK_OF(OPENSSL_STRING) *rr_from)
1341 	{
1342 	STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1343 	CMS_ReceiptRequest *rr;
1344 	rct_to = make_names_stack(rr_to);
1345 	if (!rct_to)
1346 		goto err;
1347 	if (rr_from)
1348 		{
1349 		rct_from = make_names_stack(rr_from);
1350 		if (!rct_from)
1351 			goto err;
1352 		}
1353 	else
1354 		rct_from = NULL;
1355 	rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1356 						rct_to);
1357 	return rr;
1358 	err:
1359 	return NULL;
1360 	}
1361 
1362 #endif
1363