Use default digest implementation in dgst.c
[openssl.git] / apps / cms.c
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
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, "-debug_decrypt")) 
236                                 flags |= CMS_DEBUG_DECRYPT;
237                 else if (!strcmp (*args, "-text")) 
238                                 flags |= CMS_TEXT;
239                 else if (!strcmp (*args, "-nointern")) 
240                                 flags |= CMS_NOINTERN;
241                 else if (!strcmp (*args, "-noverify") 
242                         || !strcmp (*args, "-no_signer_cert_verify")) 
243                                 flags |= CMS_NO_SIGNER_CERT_VERIFY;
244                 else if (!strcmp (*args, "-nocerts")) 
245                                 flags |= CMS_NOCERTS;
246                 else if (!strcmp (*args, "-noattr")) 
247                                 flags |= CMS_NOATTR;
248                 else if (!strcmp (*args, "-nodetach")) 
249                                 flags &= ~CMS_DETACHED;
250                 else if (!strcmp (*args, "-nosmimecap"))
251                                 flags |= CMS_NOSMIMECAP;
252                 else if (!strcmp (*args, "-binary"))
253                                 flags |= CMS_BINARY;
254                 else if (!strcmp (*args, "-keyid"))
255                                 flags |= CMS_USE_KEYID;
256                 else if (!strcmp (*args, "-nosigs"))
257                                 flags |= CMS_NOSIGS;
258                 else if (!strcmp (*args, "-no_content_verify"))
259                                 flags |= CMS_NO_CONTENT_VERIFY;
260                 else if (!strcmp (*args, "-no_attr_verify"))
261                                 flags |= CMS_NO_ATTR_VERIFY;
262                 else if (!strcmp (*args, "-stream"))
263                                 flags |= CMS_STREAM;
264                 else if (!strcmp (*args, "-indef"))
265                                 flags |= CMS_STREAM;
266                 else if (!strcmp (*args, "-noindef"))
267                                 flags &= ~CMS_STREAM;
268                 else if (!strcmp (*args, "-nooldmime"))
269                                 flags |= CMS_NOOLDMIMETYPE;
270                 else if (!strcmp (*args, "-crlfeol"))
271                                 flags |= CMS_CRLFEOL;
272                 else if (!strcmp (*args, "-noout"))
273                                 noout = 1;
274                 else if (!strcmp (*args, "-receipt_request_print"))
275                                 rr_print = 1;
276                 else if (!strcmp (*args, "-receipt_request_all"))
277                                 rr_allorfirst = 0;
278                 else if (!strcmp (*args, "-receipt_request_first"))
279                                 rr_allorfirst = 1;
280                 else if (!strcmp(*args,"-receipt_request_from"))
281                         {
282                         if (!args[1])
283                                 goto argerr;
284                         args++;
285                         if (!rr_from)
286                                 rr_from = sk_OPENSSL_STRING_new_null();
287                         sk_OPENSSL_STRING_push(rr_from, *args);
288                         }
289                 else if (!strcmp(*args,"-receipt_request_to"))
290                         {
291                         if (!args[1])
292                                 goto argerr;
293                         args++;
294                         if (!rr_to)
295                                 rr_to = sk_OPENSSL_STRING_new_null();
296                         sk_OPENSSL_STRING_push(rr_to, *args);
297                         }
298                 else if (!strcmp (*args, "-print"))
299                                 {
300                                 noout = 1;
301                                 print = 1;
302                                 }
303                 else if (!strcmp(*args,"-secretkey"))
304                         {
305                         long ltmp;
306                         if (!args[1])
307                                 goto argerr;
308                         args++;
309                         secret_key = string_to_hex(*args, &ltmp);
310                         if (!secret_key)
311                                 {
312                                 BIO_printf(bio_err, "Invalid key %s\n", *args);
313                                 goto argerr;
314                                 }
315                         secret_keylen = (size_t)ltmp;
316                         }
317                 else if (!strcmp(*args,"-secretkeyid"))
318                         {
319                         long ltmp;
320                         if (!args[1])
321                                 goto argerr;
322                         args++;
323                         secret_keyid = string_to_hex(*args, &ltmp);
324                         if (!secret_keyid)
325                                 {
326                                 BIO_printf(bio_err, "Invalid id %s\n", *args);
327                                 goto argerr;
328                                 }
329                         secret_keyidlen = (size_t)ltmp;
330                         }
331                 else if (!strcmp(*args,"-econtent_type"))
332                         {
333                         if (!args[1])
334                                 goto argerr;
335                         args++;
336                         econtent_type = OBJ_txt2obj(*args, 0);
337                         if (!econtent_type)
338                                 {
339                                 BIO_printf(bio_err, "Invalid OID %s\n", *args);
340                                 goto argerr;
341                                 }
342                         }
343                 else if (!strcmp(*args,"-rand"))
344                         {
345                         if (!args[1])
346                                 goto argerr;
347                         args++;
348                         inrand = *args;
349                         need_rand = 1;
350                         }
351 #ifndef OPENSSL_NO_ENGINE
352                 else if (!strcmp(*args,"-engine"))
353                         {
354                         if (!args[1])
355                                 goto argerr;
356                         engine = *++args;
357                         }
358 #endif
359                 else if (!strcmp(*args,"-passin"))
360                         {
361                         if (!args[1])
362                                 goto argerr;
363                         passargin = *++args;
364                         }
365                 else if (!strcmp (*args, "-to"))
366                         {
367                         if (!args[1])
368                                 goto argerr;
369                         to = *++args;
370                         }
371                 else if (!strcmp (*args, "-from"))
372                         {
373                         if (!args[1])
374                                 goto argerr;
375                         from = *++args;
376                         }
377                 else if (!strcmp (*args, "-subject"))
378                         {
379                         if (!args[1])
380                                 goto argerr;
381                         subject = *++args;
382                         }
383                 else if (!strcmp (*args, "-signer"))
384                         {
385                         if (!args[1])
386                                 goto argerr;
387                         /* If previous -signer argument add signer to list */
388
389                         if (signerfile)
390                                 {
391                                 if (!sksigners)
392                                         sksigners = sk_OPENSSL_STRING_new_null();
393                                 sk_OPENSSL_STRING_push(sksigners, signerfile);
394                                 if (!keyfile)
395                                         keyfile = signerfile;
396                                 if (!skkeys)
397                                         skkeys = sk_OPENSSL_STRING_new_null();
398                                 sk_OPENSSL_STRING_push(skkeys, keyfile);
399                                 keyfile = NULL;
400                                 }
401                         signerfile = *++args;
402                         }
403                 else if (!strcmp (*args, "-recip"))
404                         {
405                         if (!args[1])
406                                 goto argerr;
407                         recipfile = *++args;
408                         }
409                 else if (!strcmp (*args, "-certsout"))
410                         {
411                         if (!args[1])
412                                 goto argerr;
413                         certsoutfile = *++args;
414                         }
415                 else if (!strcmp (*args, "-md"))
416                         {
417                         if (!args[1])
418                                 goto argerr;
419                         sign_md = EVP_get_digestbyname(*++args);
420                         if (sign_md == NULL)
421                                 {
422                                 BIO_printf(bio_err, "Unknown digest %s\n",
423                                                         *args);
424                                 goto argerr;
425                                 }
426                         }
427                 else if (!strcmp (*args, "-inkey"))
428                         {
429                         if (!args[1])   
430                                 goto argerr;
431                         /* If previous -inkey arument add signer to list */
432                         if (keyfile)
433                                 {
434                                 if (!signerfile)
435                                         {
436                                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
437                                         goto argerr;
438                                         }
439                                 if (!sksigners)
440                                         sksigners = sk_OPENSSL_STRING_new_null();
441                                 sk_OPENSSL_STRING_push(sksigners, signerfile);
442                                 signerfile = NULL;
443                                 if (!skkeys)
444                                         skkeys = sk_OPENSSL_STRING_new_null();
445                                 sk_OPENSSL_STRING_push(skkeys, keyfile);
446                                 }
447                         keyfile = *++args;
448                         }
449                 else if (!strcmp (*args, "-keyform"))
450                         {
451                         if (!args[1])
452                                 goto argerr;
453                         keyform = str2fmt(*++args);
454                         }
455                 else if (!strcmp (*args, "-rctform"))
456                         {
457                         if (!args[1])
458                                 goto argerr;
459                         rctformat = str2fmt(*++args);
460                         }
461                 else if (!strcmp (*args, "-certfile"))
462                         {
463                         if (!args[1])
464                                 goto argerr;
465                         certfile = *++args;
466                         }
467                 else if (!strcmp (*args, "-CAfile"))
468                         {
469                         if (!args[1])
470                                 goto argerr;
471                         CAfile = *++args;
472                         }
473                 else if (!strcmp (*args, "-CApath"))
474                         {
475                         if (!args[1])
476                                 goto argerr;
477                         CApath = *++args;
478                         }
479                 else if (!strcmp (*args, "-in"))
480                         {
481                         if (!args[1])
482                                 goto argerr;
483                         infile = *++args;
484                         }
485                 else if (!strcmp (*args, "-inform"))
486                         {
487                         if (!args[1])
488                                 goto argerr;
489                         informat = str2fmt(*++args);
490                         }
491                 else if (!strcmp (*args, "-outform"))
492                         {
493                         if (!args[1])
494                                 goto argerr;
495                         outformat = str2fmt(*++args);
496                         }
497                 else if (!strcmp (*args, "-out"))
498                         {
499                         if (!args[1])
500                                 goto argerr;
501                         outfile = *++args;
502                         }
503                 else if (!strcmp (*args, "-content"))
504                         {
505                         if (!args[1])
506                                 goto argerr;
507                         contfile = *++args;
508                         }
509                 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
510                         continue;
511                 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
512                         badarg = 1;
513                 args++;
514                 }
515
516         if (((rr_allorfirst != -1) || rr_from) && !rr_to)
517                 {
518                 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
519                 goto argerr;
520                 }
521
522         if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
523                 {
524                 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
525                 goto argerr;
526                 }
527         if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
528                 {
529                 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
530                 goto argerr;
531                 }
532
533         if (operation & SMIME_SIGNERS)
534                 {
535                 if (keyfile && !signerfile)
536                         {
537                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
538                         goto argerr;
539                         }
540                 /* Check to see if any final signer needs to be appended */
541                 if (signerfile)
542                         {
543                         if (!sksigners)
544                                 sksigners = sk_OPENSSL_STRING_new_null();
545                         sk_OPENSSL_STRING_push(sksigners, signerfile);
546                         if (!skkeys)
547                                 skkeys = sk_OPENSSL_STRING_new_null();
548                         if (!keyfile)
549                                 keyfile = signerfile;
550                         sk_OPENSSL_STRING_push(skkeys, keyfile);
551                         }
552                 if (!sksigners)
553                         {
554                         BIO_printf(bio_err, "No signer certificate specified\n");
555                         badarg = 1;
556                         }
557                 signerfile = NULL;
558                 keyfile = NULL;
559                 need_rand = 1;
560                 }
561
562         else if (operation == SMIME_DECRYPT)
563                 {
564                 if (!recipfile && !keyfile && !secret_key)
565                         {
566                         BIO_printf(bio_err, "No recipient certificate or key specified\n");
567                         badarg = 1;
568                         }
569                 }
570         else if (operation == SMIME_ENCRYPT)
571                 {
572                 if (!*args && !secret_key)
573                         {
574                         BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
575                         badarg = 1;
576                         }
577                 need_rand = 1;
578                 }
579         else if (!operation)
580                 badarg = 1;
581
582         if (badarg)
583                 {
584                 argerr:
585                 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
586                 BIO_printf (bio_err, "where options are\n");
587                 BIO_printf (bio_err, "-encrypt       encrypt message\n");
588                 BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
589                 BIO_printf (bio_err, "-sign          sign message\n");
590                 BIO_printf (bio_err, "-verify        verify signed message\n");
591                 BIO_printf (bio_err, "-cmsout        output CMS structure\n");
592 #ifndef OPENSSL_NO_DES
593                 BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
594                 BIO_printf (bio_err, "-des           encrypt with DES\n");
595 #endif
596 #ifndef OPENSSL_NO_SEED
597                 BIO_printf (bio_err, "-seed          encrypt with SEED\n");
598 #endif
599 #ifndef OPENSSL_NO_RC2
600                 BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
601                 BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
602                 BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
603 #endif
604 #ifndef OPENSSL_NO_AES
605                 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
606                 BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
607 #endif
608 #ifndef OPENSSL_NO_CAMELLIA
609                 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
610                 BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
611 #endif
612                 BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
613                 BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
614                 BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
615                 BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
616                 BIO_printf (bio_err, "-nodetach      use opaque signing\n");
617                 BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
618                 BIO_printf (bio_err, "-binary        don't translate message to text\n");
619                 BIO_printf (bio_err, "-certfile file other certificates file\n");
620                 BIO_printf (bio_err, "-certsout file certificate output file\n");
621                 BIO_printf (bio_err, "-signer file   signer certificate file\n");
622                 BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
623                 BIO_printf (bio_err, "-keyid         use subject key identifier\n");
624                 BIO_printf (bio_err, "-in file       input file\n");
625                 BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
626                 BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
627                 BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
628                 BIO_printf (bio_err, "-out file      output file\n");
629                 BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
630                 BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
631                 BIO_printf (bio_err, "-to addr       to address\n");
632                 BIO_printf (bio_err, "-from ad       from address\n");
633                 BIO_printf (bio_err, "-subject s     subject\n");
634                 BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
635                 BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
636                 BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
637                 BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
638                 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
639 #ifndef OPENSSL_NO_ENGINE
640                 BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
641 #endif
642                 BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
643                 BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
644                 BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
645                 BIO_printf(bio_err,  "               the random number generator\n");
646                 BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
647                 goto end;
648                 }
649
650 #ifndef OPENSSL_NO_ENGINE
651         e = setup_engine(bio_err, engine, 0);
652 #endif
653
654         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
655                 {
656                 BIO_printf(bio_err, "Error getting password\n");
657                 goto end;
658                 }
659
660         if (need_rand)
661                 {
662                 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
663                 if (inrand != NULL)
664                         BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
665                                 app_RAND_load_files(inrand));
666                 }
667
668         ret = 2;
669
670         if (!(operation & SMIME_SIGNERS))
671                 flags &= ~CMS_DETACHED;
672
673         if (operation & SMIME_OP)
674                 {
675                 if (outformat == FORMAT_ASN1)
676                         outmode = "wb";
677                 }
678         else
679                 {
680                 if (flags & CMS_BINARY)
681                         outmode = "wb";
682                 }
683
684         if (operation & SMIME_IP)
685                 {
686                 if (informat == FORMAT_ASN1)
687                         inmode = "rb";
688                 }
689         else
690                 {
691                 if (flags & CMS_BINARY)
692                         inmode = "rb";
693                 }
694
695         if (operation == SMIME_ENCRYPT)
696                 {
697                 if (!cipher)
698                         {
699 #ifndef OPENSSL_NO_DES                  
700                         cipher = EVP_des_ede3_cbc();
701 #else
702                         BIO_printf(bio_err, "No cipher selected\n");
703                         goto end;
704 #endif
705                         }
706
707                 if (secret_key && !secret_keyid)
708                         {
709                         BIO_printf(bio_err, "No secret key id\n");
710                         goto end;
711                         }
712
713                 if (*args)
714                         encerts = sk_X509_new_null();
715                 while (*args)
716                         {
717                         if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
718                                 NULL, e, "recipient certificate file")))
719                                 goto end;
720                         sk_X509_push(encerts, cert);
721                         cert = NULL;
722                         args++;
723                         }
724                 }
725
726         if (certfile)
727                 {
728                 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
729                         e, "certificate file")))
730                         {
731                         ERR_print_errors(bio_err);
732                         goto end;
733                         }
734                 }
735
736         if (recipfile && (operation == SMIME_DECRYPT))
737                 {
738                 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
739                         e, "recipient certificate file")))
740                         {
741                         ERR_print_errors(bio_err);
742                         goto end;
743                         }
744                 }
745
746         if (operation == SMIME_SIGN_RECEIPT)
747                 {
748                 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
749                         e, "receipt signer certificate file")))
750                         {
751                         ERR_print_errors(bio_err);
752                         goto end;
753                         }
754                 }
755
756         if (operation == SMIME_DECRYPT)
757                 {
758                 if (!keyfile)
759                         keyfile = recipfile;
760                 }
761         else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
762                 {
763                 if (!keyfile)
764                         keyfile = signerfile;
765                 }
766         else keyfile = NULL;
767
768         if (keyfile)
769                 {
770                 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
771                                "signing key file");
772                 if (!key)
773                         goto end;
774                 }
775
776         if (infile)
777                 {
778                 if (!(in = BIO_new_file(infile, inmode)))
779                         {
780                         BIO_printf (bio_err,
781                                  "Can't open input file %s\n", infile);
782                         goto end;
783                         }
784                 }
785         else
786                 in = BIO_new_fp(stdin, BIO_NOCLOSE);
787
788         if (operation & SMIME_IP)
789                 {
790                 if (informat == FORMAT_SMIME) 
791                         cms = SMIME_read_CMS(in, &indata);
792                 else if (informat == FORMAT_PEM) 
793                         cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
794                 else if (informat == FORMAT_ASN1) 
795                         cms = d2i_CMS_bio(in, NULL);
796                 else
797                         {
798                         BIO_printf(bio_err, "Bad input format for CMS file\n");
799                         goto end;
800                         }
801
802                 if (!cms)
803                         {
804                         BIO_printf(bio_err, "Error reading S/MIME message\n");
805                         goto end;
806                         }
807                 if (contfile)
808                         {
809                         BIO_free(indata);
810                         if (!(indata = BIO_new_file(contfile, "rb")))
811                                 {
812                                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
813                                 goto end;
814                                 }
815                         }
816                 if (certsoutfile)
817                         {
818                         STACK_OF(X509) *allcerts;
819                         allcerts = CMS_get1_certs(cms);
820                         if (!save_certs(certsoutfile, allcerts))
821                                 {
822                                 BIO_printf(bio_err,
823                                                 "Error writing certs to %s\n",
824                                                                 certsoutfile);
825                                 ret = 5;
826                                 goto end;
827                                 }
828                         sk_X509_pop_free(allcerts, X509_free);
829                         }
830                 }
831
832         if (rctfile)
833                 {
834                 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
835                 if (!(rctin = BIO_new_file(rctfile, rctmode)))
836                         {
837                         BIO_printf (bio_err,
838                                  "Can't open receipt file %s\n", rctfile);
839                         goto end;
840                         }
841                 
842                 if (rctformat == FORMAT_SMIME) 
843                         rcms = SMIME_read_CMS(rctin, NULL);
844                 else if (rctformat == FORMAT_PEM) 
845                         rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
846                 else if (rctformat == FORMAT_ASN1) 
847                         rcms = d2i_CMS_bio(rctin, NULL);
848                 else
849                         {
850                         BIO_printf(bio_err, "Bad input format for receipt\n");
851                         goto end;
852                         }
853
854                 if (!rcms)
855                         {
856                         BIO_printf(bio_err, "Error reading receipt\n");
857                         goto end;
858                         }
859                 }
860
861         if (outfile)
862                 {
863                 if (!(out = BIO_new_file(outfile, outmode)))
864                         {
865                         BIO_printf (bio_err,
866                                  "Can't open output file %s\n", outfile);
867                         goto end;
868                         }
869                 }
870         else
871                 {
872                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
873 #ifdef OPENSSL_SYS_VMS
874                 {
875                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
876                     out = BIO_push(tmpbio, out);
877                 }
878 #endif
879                 }
880
881         if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
882                 {
883                 if (!(store = setup_verify(bio_err, CAfile, CApath)))
884                         goto end;
885                 X509_STORE_set_verify_cb(store, cms_cb);
886                 if (vpm)
887                         X509_STORE_set1_param(store, vpm);
888                 }
889
890
891         ret = 3;
892
893         if (operation == SMIME_DATA_CREATE)
894                 {
895                 cms = CMS_data_create(in, flags);
896                 }
897         else if (operation == SMIME_DIGEST_CREATE)
898                 {
899                 cms = CMS_digest_create(in, sign_md, flags);
900                 }
901         else if (operation == SMIME_COMPRESS)
902                 {
903                 cms = CMS_compress(in, -1, flags);
904                 }
905         else if (operation == SMIME_ENCRYPT)
906                 {
907                 flags |= CMS_PARTIAL;
908                 cms = CMS_encrypt(encerts, in, cipher, flags);
909                 if (!cms)
910                         goto end;
911                 if (secret_key)
912                         {
913                         if (!CMS_add0_recipient_key(cms, NID_undef, 
914                                                 secret_key, secret_keylen,
915                                                 secret_keyid, secret_keyidlen,
916                                                 NULL, NULL, NULL))
917                                 goto end;
918                         /* NULL these because call absorbs them */
919                         secret_key = NULL;
920                         secret_keyid = NULL;
921                         }
922                 if (!(flags & CMS_STREAM))
923                         {
924                         if (!CMS_final(cms, in, NULL, flags))
925                                 goto end;
926                         }
927                 }
928         else if (operation == SMIME_ENCRYPTED_ENCRYPT)
929                 {
930                 cms = CMS_EncryptedData_encrypt(in, cipher,
931                                                 secret_key, secret_keylen,
932                                                 flags);
933
934                 }
935         else if (operation == SMIME_SIGN_RECEIPT)
936                 {
937                 CMS_ContentInfo *srcms = NULL;
938                 STACK_OF(CMS_SignerInfo) *sis;
939                 CMS_SignerInfo *si;
940                 sis = CMS_get0_SignerInfos(cms);
941                 if (!sis)
942                         goto end;
943                 si = sk_CMS_SignerInfo_value(sis, 0);
944                 srcms = CMS_sign_receipt(si, signer, key, other, flags);
945                 if (!srcms)
946                         goto end;
947                 CMS_ContentInfo_free(cms);
948                 cms = srcms;
949                 }
950         else if (operation & SMIME_SIGNERS)
951                 {
952                 int i;
953                 /* If detached data content we enable streaming if
954                  * S/MIME output format.
955                  */
956                 if (operation == SMIME_SIGN)
957                         {
958                                 
959                         if (flags & CMS_DETACHED)
960                                 {
961                                 if (outformat == FORMAT_SMIME)
962                                         flags |= CMS_STREAM;
963                                 }
964                         flags |= CMS_PARTIAL;
965                         cms = CMS_sign(NULL, NULL, other, in, flags);
966                         if (!cms)
967                                 goto end;
968                         if (econtent_type)
969                                 CMS_set1_eContentType(cms, econtent_type);
970
971                         if (rr_to)
972                                 {
973                                 rr = make_receipt_request(rr_to, rr_allorfirst,
974                                                                 rr_from);
975                                 if (!rr)
976                                         {
977                                         BIO_puts(bio_err,
978                                 "Signed Receipt Request Creation Error\n");
979                                         goto end;
980                                         }
981                                 }
982                         }
983                 else
984                         flags |= CMS_REUSE_DIGEST;
985                 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
986                         {
987                         CMS_SignerInfo *si;
988                         signerfile = sk_OPENSSL_STRING_value(sksigners, i);
989                         keyfile = sk_OPENSSL_STRING_value(skkeys, i);
990                         signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
991                                         e, "signer certificate");
992                         if (!signer)
993                                 goto end;
994                         key = load_key(bio_err, keyfile, keyform, 0, passin, e,
995                                "signing key file");
996                         if (!key)
997                                 goto end;
998                         si = CMS_add1_signer(cms, signer, key, sign_md, flags);
999                         if (!si)
1000                                 goto end;
1001                         if (rr && !CMS_add1_ReceiptRequest(si, rr))
1002                                 goto end;
1003                         X509_free(signer);
1004                         signer = NULL;
1005                         EVP_PKEY_free(key);
1006                         key = NULL;
1007                         }
1008                 /* If not streaming or resigning finalize structure */
1009                 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1010                         {
1011                         if (!CMS_final(cms, in, NULL, flags))
1012                                 goto end;
1013                         }
1014                 }
1015
1016         if (!cms)
1017                 {
1018                 BIO_printf(bio_err, "Error creating CMS structure\n");
1019                 goto end;
1020                 }
1021
1022         ret = 4;
1023         if (operation == SMIME_DECRYPT)
1024                 {
1025                 if (flags & CMS_DEBUG_DECRYPT)
1026                         CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1027
1028                 if (secret_key)
1029                         {
1030                         if (!CMS_decrypt_set1_key(cms,
1031                                                 secret_key, secret_keylen,
1032                                                 secret_keyid, secret_keyidlen))
1033                                 {
1034                                 BIO_puts(bio_err,
1035                                         "Error decrypting CMS using secret key\n");
1036                                 goto end;
1037                                 }
1038                         }
1039
1040                 if (key)
1041                         {
1042                         if (!CMS_decrypt_set1_pkey(cms, key, recip))
1043                                 {
1044                                 BIO_puts(bio_err,
1045                                         "Error decrypting CMS using private key\n");
1046                                 goto end;
1047                                 }
1048                         }
1049
1050                 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1051                         {
1052                         BIO_printf(bio_err, "Error decrypting CMS structure\n");
1053                         goto end;
1054                         }
1055                 }
1056         else if (operation == SMIME_DATAOUT)
1057                 {
1058                 if (!CMS_data(cms, out, flags))
1059                         goto end;
1060                 }
1061         else if (operation == SMIME_UNCOMPRESS)
1062                 {
1063                 if (!CMS_uncompress(cms, indata, out, flags))
1064                         goto end;
1065                 }
1066         else if (operation == SMIME_DIGEST_VERIFY)
1067                 {
1068                 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1069                         BIO_printf(bio_err, "Verification successful\n");
1070                 else
1071                         {
1072                         BIO_printf(bio_err, "Verification failure\n");
1073                         goto end;
1074                         }
1075                 }
1076         else if (operation == SMIME_ENCRYPTED_DECRYPT)
1077                 {
1078                 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1079                                                 indata, out, flags))
1080                         goto end;
1081                 }
1082         else if (operation == SMIME_VERIFY)
1083                 {
1084                 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1085                         BIO_printf(bio_err, "Verification successful\n");
1086                 else
1087                         {
1088                         BIO_printf(bio_err, "Verification failure\n");
1089                         if (verify_retcode)
1090                                 ret = verify_err + 32;
1091                         goto end;
1092                         }
1093                 if (signerfile)
1094                         {
1095                         STACK_OF(X509) *signers;
1096                         signers = CMS_get0_signers(cms);
1097                         if (!save_certs(signerfile, signers))
1098                                 {
1099                                 BIO_printf(bio_err,
1100                                                 "Error writing signers to %s\n",
1101                                                                 signerfile);
1102                                 ret = 5;
1103                                 goto end;
1104                                 }
1105                         sk_X509_free(signers);
1106                         }
1107                 if (rr_print)
1108                         receipt_request_print(bio_err, cms);
1109                                         
1110                 }
1111         else if (operation == SMIME_VERIFY_RECEIPT)
1112                 {
1113                 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1114                         BIO_printf(bio_err, "Verification successful\n");
1115                 else
1116                         {
1117                         BIO_printf(bio_err, "Verification failure\n");
1118                         goto end;
1119                         }
1120                 }
1121         else
1122                 {
1123                 if (noout)
1124                         {
1125                         if (print)
1126                                 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1127                         }
1128                 else if (outformat == FORMAT_SMIME)
1129                         {
1130                         if (to)
1131                                 BIO_printf(out, "To: %s\n", to);
1132                         if (from)
1133                                 BIO_printf(out, "From: %s\n", from);
1134                         if (subject)
1135                                 BIO_printf(out, "Subject: %s\n", subject);
1136                         if (operation == SMIME_RESIGN)
1137                                 ret = SMIME_write_CMS(out, cms, indata, flags);
1138                         else
1139                                 ret = SMIME_write_CMS(out, cms, in, flags);
1140                         }
1141                 else if (outformat == FORMAT_PEM) 
1142                         ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1143                 else if (outformat == FORMAT_ASN1) 
1144                         ret = i2d_CMS_bio_stream(out,cms, in, flags);
1145                 else
1146                         {
1147                         BIO_printf(bio_err, "Bad output format for CMS file\n");
1148                         goto end;
1149                         }
1150                 if (ret <= 0)
1151                         {
1152                         ret = 6;
1153                         goto end;
1154                         }
1155                 }
1156         ret = 0;
1157 end:
1158         if (ret)
1159                 ERR_print_errors(bio_err);
1160         if (need_rand)
1161                 app_RAND_write_file(NULL, bio_err);
1162         sk_X509_pop_free(encerts, X509_free);
1163         sk_X509_pop_free(other, X509_free);
1164         if (vpm)
1165                 X509_VERIFY_PARAM_free(vpm);
1166         if (sksigners)
1167                 sk_OPENSSL_STRING_free(sksigners);
1168         if (skkeys)
1169                 sk_OPENSSL_STRING_free(skkeys);
1170         if (secret_key)
1171                 OPENSSL_free(secret_key);
1172         if (secret_keyid)
1173                 OPENSSL_free(secret_keyid);
1174         if (econtent_type)
1175                 ASN1_OBJECT_free(econtent_type);
1176         if (rr)
1177                 CMS_ReceiptRequest_free(rr);
1178         if (rr_to)
1179                 sk_OPENSSL_STRING_free(rr_to);
1180         if (rr_from)
1181                 sk_OPENSSL_STRING_free(rr_from);
1182         X509_STORE_free(store);
1183         X509_free(cert);
1184         X509_free(recip);
1185         X509_free(signer);
1186         EVP_PKEY_free(key);
1187         CMS_ContentInfo_free(cms);
1188         CMS_ContentInfo_free(rcms);
1189         BIO_free(rctin);
1190         BIO_free(in);
1191         BIO_free(indata);
1192         BIO_free_all(out);
1193         if (passin) OPENSSL_free(passin);
1194         return (ret);
1195 }
1196
1197 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1198         {
1199         int i;
1200         BIO *tmp;
1201         if (!signerfile)
1202                 return 1;
1203         tmp = BIO_new_file(signerfile, "w");
1204         if (!tmp) return 0;
1205         for(i = 0; i < sk_X509_num(signers); i++)
1206                 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1207         BIO_free(tmp);
1208         return 1;
1209         }
1210         
1211
1212 /* Minimal callback just to output policy info (if any) */
1213
1214 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1215         {
1216         int error;
1217
1218         error = X509_STORE_CTX_get_error(ctx);
1219
1220         verify_err = error;
1221
1222         if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1223                 && ((error != X509_V_OK) || (ok != 2)))
1224                 return ok;
1225
1226         policies_print(NULL, ctx);
1227
1228         return ok;
1229
1230         }
1231
1232 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1233         {
1234         STACK_OF(GENERAL_NAME) *gens;
1235         GENERAL_NAME *gen;
1236         int i, j;
1237         for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1238                 {
1239                 gens = sk_GENERAL_NAMES_value(gns, i);
1240                 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1241                         {
1242                         gen = sk_GENERAL_NAME_value(gens, j);
1243                         BIO_puts(out, "    ");
1244                         GENERAL_NAME_print(out, gen);
1245                         BIO_puts(out, "\n");
1246                         }
1247                 }
1248         return;
1249         }
1250
1251 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1252         {
1253         STACK_OF(CMS_SignerInfo) *sis;
1254         CMS_SignerInfo *si;
1255         CMS_ReceiptRequest *rr;
1256         int allorfirst;
1257         STACK_OF(GENERAL_NAMES) *rto, *rlist;
1258         ASN1_STRING *scid;
1259         int i, rv;
1260         sis = CMS_get0_SignerInfos(cms);
1261         for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1262                 {
1263                 si = sk_CMS_SignerInfo_value(sis, i);
1264                 rv = CMS_get1_ReceiptRequest(si, &rr);
1265                 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1266                 if (rv == 0)
1267                         BIO_puts(bio_err, "  No Receipt Request\n");
1268                 else if (rv < 0)
1269                         {
1270                         BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1271                         ERR_print_errors(bio_err);
1272                         }
1273                 else
1274                         {
1275                         char *id;
1276                         int idlen;
1277                         CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1278                                                         &rlist, &rto);
1279                         BIO_puts(out, "  Signed Content ID:\n");
1280                         idlen = ASN1_STRING_length(scid);
1281                         id = (char *)ASN1_STRING_data(scid);
1282                         BIO_dump_indent(out, id, idlen, 4);
1283                         BIO_puts(out, "  Receipts From");
1284                         if (rlist)
1285                                 {
1286                                 BIO_puts(out, " List:\n");
1287                                 gnames_stack_print(out, rlist);
1288                                 }
1289                         else if (allorfirst == 1)
1290                                 BIO_puts(out, ": First Tier\n");
1291                         else if (allorfirst == 0)
1292                                 BIO_puts(out, ": All\n");
1293                         else
1294                                 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1295                         BIO_puts(out, "  Receipts To:\n");
1296                         gnames_stack_print(out, rto);
1297                         }
1298                 if (rr)
1299                         CMS_ReceiptRequest_free(rr);
1300                 }
1301         }
1302
1303 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1304         {
1305         int i;
1306         STACK_OF(GENERAL_NAMES) *ret;
1307         GENERAL_NAMES *gens = NULL;
1308         GENERAL_NAME *gen = NULL;
1309         ret = sk_GENERAL_NAMES_new_null();
1310         if (!ret)
1311                 goto err;
1312         for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++)
1313                 {
1314                 char *str = sk_OPENSSL_STRING_value(ns, i);
1315                 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1316                 if (!gen)
1317                         goto err;
1318                 gens = GENERAL_NAMES_new();
1319                 if (!gens)
1320                         goto err;
1321                 if (!sk_GENERAL_NAME_push(gens, gen))
1322                         goto err;
1323                 gen = NULL;
1324                 if (!sk_GENERAL_NAMES_push(ret, gens))
1325                         goto err;
1326                 gens = NULL;
1327                 }
1328
1329         return ret;
1330
1331         err:
1332         if (ret)
1333                 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1334         if (gens)
1335                 GENERAL_NAMES_free(gens);
1336         if (gen)
1337                 GENERAL_NAME_free(gen);
1338         return NULL;
1339         }
1340
1341
1342 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
1343                                                 int rr_allorfirst,
1344                                                 STACK_OF(OPENSSL_STRING) *rr_from)
1345         {
1346         STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1347         CMS_ReceiptRequest *rr;
1348         rct_to = make_names_stack(rr_to);
1349         if (!rct_to)
1350                 goto err;
1351         if (rr_from)
1352                 {
1353                 rct_from = make_names_stack(rr_from);
1354                 if (!rct_from)
1355                         goto err;
1356                 }
1357         else
1358                 rct_from = NULL;
1359         rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1360                                                 rct_to);
1361         return rr;
1362         err:
1363         return NULL;
1364         }
1365
1366 #endif