Import OpenSSL-1.0.0f.
[dragonfly.git] / crypto / openssl / 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, "-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, "-keyid        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
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
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
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
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
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
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