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Ignore machine-check MSRs
[freebsd-src/fkvm-freebsd.git] / crypto / openssl / apps / smime.c
blob830f18cd8479f01e7bad5f1839181694e9975c6f
1 /* smime.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59 /* S/MIME utility function */
60
61 #include <stdio.h>
62 #include <string.h>
63 #include "apps.h"
64 #include <openssl/crypto.h>
65 #include <openssl/pem.h>
66 #include <openssl/err.h>
67 #include <openssl/x509_vfy.h>
68 #include <openssl/x509v3.h>
69
70 #undef PROG
71 #define PROG smime_main
72 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
73 static int smime_cb(int ok, X509_STORE_CTX *ctx);
74
75 #define SMIME_OP 0x10
76 #define SMIME_ENCRYPT (1 | SMIME_OP)
77 #define SMIME_DECRYPT 2
78 #define SMIME_SIGN (3 | SMIME_OP)
79 #define SMIME_VERIFY 4
80 #define SMIME_PK7OUT 5
81
82 int MAIN(int, char **);
83
84 int MAIN(int argc, char **argv)
85 {
86 ENGINE *e = NULL;
87 int operation = 0;
88 int ret = 0;
89 char **args;
90 const char *inmode = "r", *outmode = "w";
91 char *infile = NULL, *outfile = NULL;
92 char *signerfile = NULL, *recipfile = NULL;
93 char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
94 const EVP_CIPHER *cipher = NULL;
95 PKCS7 *p7 = NULL;
96 X509_STORE *store = NULL;
97 X509 *cert = NULL, *recip = NULL, *signer = NULL;
98 EVP_PKEY *key = NULL;
99 STACK_OF(X509) *encerts = NULL, *other = NULL;
100 BIO *in = NULL, *out = NULL, *indata = NULL;
101 int badarg = 0;
102 int flags = PKCS7_DETACHED;
103 char *to = NULL, *from = NULL, *subject = NULL;
104 char *CAfile = NULL, *CApath = NULL;
105 char *passargin = NULL, *passin = NULL;
106 char *inrand = NULL;
107 int need_rand = 0;
108 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
109 int keyform = FORMAT_PEM;
110 #ifndef OPENSSL_NO_ENGINE
111 char *engine=NULL;
112 #endif
113
114 X509_VERIFY_PARAM *vpm = NULL;
115
116 args = argv + 1;
117 ret = 1;
118
119 apps_startup();
120
121 if (bio_err == NULL)
122 {
123 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
124 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
125 }
126
127 if (!load_config(bio_err, NULL))
128 goto end;
129
130 while (!badarg && *args && *args[0] == '-')
131 {
132 if (!strcmp (*args, "-encrypt"))
133 operation = SMIME_ENCRYPT;
134 else if (!strcmp (*args, "-decrypt"))
135 operation = SMIME_DECRYPT;
136 else if (!strcmp (*args, "-sign"))
137 operation = SMIME_SIGN;
138 else if (!strcmp (*args, "-verify"))
139 operation = SMIME_VERIFY;
140 else if (!strcmp (*args, "-pk7out"))
141 operation = SMIME_PK7OUT;
142 #ifndef OPENSSL_NO_DES
143 else if (!strcmp (*args, "-des3"))
144 cipher = EVP_des_ede3_cbc();
145 else if (!strcmp (*args, "-des"))
146 cipher = EVP_des_cbc();
147 #endif
148 #ifndef OPENSSL_NO_RC2
149 else if (!strcmp (*args, "-rc2-40"))
150 cipher = EVP_rc2_40_cbc();
151 else if (!strcmp (*args, "-rc2-128"))
152 cipher = EVP_rc2_cbc();
153 else if (!strcmp (*args, "-rc2-64"))
154 cipher = EVP_rc2_64_cbc();
155 #endif
156 #ifndef OPENSSL_NO_AES
157 else if (!strcmp(*args,"-aes128"))
158 cipher = EVP_aes_128_cbc();
159 else if (!strcmp(*args,"-aes192"))
160 cipher = EVP_aes_192_cbc();
161 else if (!strcmp(*args,"-aes256"))
162 cipher = EVP_aes_256_cbc();
163 #endif
164 #ifndef OPENSSL_NO_CAMELLIA
165 else if (!strcmp(*args,"-camellia128"))
166 cipher = EVP_camellia_128_cbc();
167 else if (!strcmp(*args,"-camellia192"))
168 cipher = EVP_camellia_192_cbc();
169 else if (!strcmp(*args,"-camellia256"))
170 cipher = EVP_camellia_256_cbc();
171 #endif
172 else if (!strcmp (*args, "-text"))
173 flags |= PKCS7_TEXT;
174 else if (!strcmp (*args, "-nointern"))
175 flags |= PKCS7_NOINTERN;
176 else if (!strcmp (*args, "-noverify"))
177 flags |= PKCS7_NOVERIFY;
178 else if (!strcmp (*args, "-nochain"))
179 flags |= PKCS7_NOCHAIN;
180 else if (!strcmp (*args, "-nocerts"))
181 flags |= PKCS7_NOCERTS;
182 else if (!strcmp (*args, "-noattr"))
183 flags |= PKCS7_NOATTR;
184 else if (!strcmp (*args, "-nodetach"))
185 flags &= ~PKCS7_DETACHED;
186 else if (!strcmp (*args, "-nosmimecap"))
187 flags |= PKCS7_NOSMIMECAP;
188 else if (!strcmp (*args, "-binary"))
189 flags |= PKCS7_BINARY;
190 else if (!strcmp (*args, "-nosigs"))
191 flags |= PKCS7_NOSIGS;
192 else if (!strcmp (*args, "-nooldmime"))
193 flags |= PKCS7_NOOLDMIMETYPE;
194 else if (!strcmp (*args, "-crlfeol"))
195 flags |= PKCS7_CRLFEOL;
196 else if (!strcmp(*args,"-rand"))
197 {
198 if (args[1])
199 {
200 args++;
201 inrand = *args;
202 }
203 else
204 badarg = 1;
205 need_rand = 1;
206 }
207 #ifndef OPENSSL_NO_ENGINE
208 else if (!strcmp(*args,"-engine"))
209 {
210 if (args[1])
211 {
212 args++;
213 engine = *args;
214 }
215 else badarg = 1;
216 }
217 #endif
218 else if (!strcmp(*args,"-passin"))
219 {
220 if (args[1])
221 {
222 args++;
223 passargin = *args;
224 }
225 else
226 badarg = 1;
227 }
228 else if (!strcmp (*args, "-to"))
229 {
230 if (args[1])
231 {
232 args++;
233 to = *args;
234 }
235 else
236 badarg = 1;
237 }
238 else if (!strcmp (*args, "-from"))
239 {
240 if (args[1])
241 {
242 args++;
243 from = *args;
244 }
245 else badarg = 1;
246 }
247 else if (!strcmp (*args, "-subject"))
248 {
249 if (args[1])
250 {
251 args++;
252 subject = *args;
253 }
254 else
255 badarg = 1;
256 }
257 else if (!strcmp (*args, "-signer"))
258 {
259 if (args[1])
260 {
261 args++;
262 signerfile = *args;
263 }
264 else
265 badarg = 1;
266 }
267 else if (!strcmp (*args, "-recip"))
268 {
269 if (args[1])
270 {
271 args++;
272 recipfile = *args;
273 }
274 else badarg = 1;
275 }
276 else if (!strcmp (*args, "-inkey"))
277 {
278 if (args[1])
279 {
280 args++;
281 keyfile = *args;
282 }
283 else
284 badarg = 1;
285 }
286 else if (!strcmp (*args, "-keyform"))
287 {
288 if (args[1])
289 {
290 args++;
291 keyform = str2fmt(*args);
292 }
293 else
294 badarg = 1;
295 }
296 else if (!strcmp (*args, "-certfile"))
297 {
298 if (args[1])
299 {
300 args++;
301 certfile = *args;
302 }
303 else
304 badarg = 1;
305 }
306 else if (!strcmp (*args, "-CAfile"))
307 {
308 if (args[1])
309 {
310 args++;
311 CAfile = *args;
312 }
313 else
314 badarg = 1;
315 }
316 else if (!strcmp (*args, "-CApath"))
317 {
318 if (args[1])
319 {
320 args++;
321 CApath = *args;
322 }
323 else
324 badarg = 1;
325 }
326 else if (!strcmp (*args, "-in"))
327 {
328 if (args[1])
329 {
330 args++;
331 infile = *args;
332 }
333 else
334 badarg = 1;
335 }
336 else if (!strcmp (*args, "-inform"))
337 {
338 if (args[1])
339 {
340 args++;
341 informat = str2fmt(*args);
342 }
343 else
344 badarg = 1;
345 }
346 else if (!strcmp (*args, "-outform"))
347 {
348 if (args[1])
349 {
350 args++;
351 outformat = str2fmt(*args);
352 }
353 else
354 badarg = 1;
355 }
356 else if (!strcmp (*args, "-out"))
357 {
358 if (args[1])
359 {
360 args++;
361 outfile = *args;
362 }
363 else
364 badarg = 1;
365 }
366 else if (!strcmp (*args, "-content"))
367 {
368 if (args[1])
369 {
370 args++;
371 contfile = *args;
372 }
373 else
374 badarg = 1;
375 }
376 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
377 continue;
378 else
379 badarg = 1;
380 args++;
381 }
382
383
384 if (operation == SMIME_SIGN)
385 {
386 if (!signerfile)
387 {
388 BIO_printf(bio_err, "No signer certificate specified\n");
389 badarg = 1;
390 }
391 need_rand = 1;
392 }
393 else if (operation == SMIME_DECRYPT)
394 {
395 if (!recipfile && !keyfile)
396 {
397 BIO_printf(bio_err, "No recipient certificate or key specified\n");
398 badarg = 1;
399 }
400 }
401 else if (operation == SMIME_ENCRYPT)
402 {
403 if (!*args)
404 {
405 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
406 badarg = 1;
407 }
408 need_rand = 1;
409 }
410 else if (!operation)
411 badarg = 1;
412
413 if (badarg)
414 {
415 BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
416 BIO_printf (bio_err, "where options are\n");
417 BIO_printf (bio_err, "-encrypt encrypt message\n");
418 BIO_printf (bio_err, "-decrypt decrypt encrypted message\n");
419 BIO_printf (bio_err, "-sign sign message\n");
420 BIO_printf (bio_err, "-verify verify signed message\n");
421 BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n");
422 #ifndef OPENSSL_NO_DES
423 BIO_printf (bio_err, "-des3 encrypt with triple DES\n");
424 BIO_printf (bio_err, "-des encrypt with DES\n");
425 #endif
426 #ifndef OPENSSL_NO_RC2
427 BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
428 BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n");
429 BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n");
430 #endif
431 #ifndef OPENSSL_NO_AES
432 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
433 BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
434 #endif
435 #ifndef OPENSSL_NO_CAMELLIA
436 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
437 BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n");
438 #endif
439 BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n");
440 BIO_printf (bio_err, "-nosigs don't verify message signature\n");
441 BIO_printf (bio_err, "-noverify don't verify signers certificate\n");
442 BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n");
443 BIO_printf (bio_err, "-nodetach use opaque signing\n");
444 BIO_printf (bio_err, "-noattr don't include any signed attributes\n");
445 BIO_printf (bio_err, "-binary don't translate message to text\n");
446 BIO_printf (bio_err, "-certfile file other certificates file\n");
447 BIO_printf (bio_err, "-signer file signer certificate file\n");
448 BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n");
449 BIO_printf (bio_err, "-in file input file\n");
450 BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
451 BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n");
452 BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n");
453 BIO_printf (bio_err, "-out file output file\n");
454 BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
455 BIO_printf (bio_err, "-content file supply or override content for detached signature\n");
456 BIO_printf (bio_err, "-to addr to address\n");
457 BIO_printf (bio_err, "-from ad from address\n");
458 BIO_printf (bio_err, "-subject s subject\n");
459 BIO_printf (bio_err, "-text include or delete text MIME headers\n");
460 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
461 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
462 BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
463 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
464 #ifndef OPENSSL_NO_ENGINE
465 BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
466 #endif
467 BIO_printf (bio_err, "-passin arg input file pass phrase source\n");
468 BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
469 BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
470 BIO_printf(bio_err, " the random number generator\n");
471 BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
472 goto end;
473 }
474
475 #ifndef OPENSSL_NO_ENGINE
476 e = setup_engine(bio_err, engine, 0);
477 #endif
478
479 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
480 {
481 BIO_printf(bio_err, "Error getting password\n");
482 goto end;
483 }
484
485 if (need_rand)
486 {
487 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
488 if (inrand != NULL)
489 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
490 app_RAND_load_files(inrand));
491 }
492
493 ret = 2;
494
495 if (operation != SMIME_SIGN)
496 flags &= ~PKCS7_DETACHED;
497
498 if (operation & SMIME_OP)
499 {
500 if (flags & PKCS7_BINARY)
501 inmode = "rb";
502 if (outformat == FORMAT_ASN1)
503 outmode = "wb";
504 }
505 else
506 {
507 if (flags & PKCS7_BINARY)
508 outmode = "wb";
509 if (informat == FORMAT_ASN1)
510 inmode = "rb";
511 }
512
513 if (operation == SMIME_ENCRYPT)
514 {
515 if (!cipher)
516 {
517 #ifndef OPENSSL_NO_RC2
518 cipher = EVP_rc2_40_cbc();
519 #else
520 BIO_printf(bio_err, "No cipher selected\n");
521 goto end;
522 #endif
523 }
524 encerts = sk_X509_new_null();
525 while (*args)
526 {
527 if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
528 NULL, e, "recipient certificate file")))
529 {
530 #if 0 /* An appropriate message is already printed */
531 BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
532 #endif
533 goto end;
534 }
535 sk_X509_push(encerts, cert);
536 cert = NULL;
537 args++;
538 }
539 }
540
541 if (signerfile && (operation == SMIME_SIGN))
542 {
543 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
544 e, "signer certificate")))
545 {
546 #if 0 /* An appropri message has already been printed */
547 BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
548 #endif
549 goto end;
550 }
551 }
552
553 if (certfile)
554 {
555 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
556 e, "certificate file")))
557 {
558 #if 0 /* An appropriate message has already been printed */
559 BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
560 #endif
561 ERR_print_errors(bio_err);
562 goto end;
563 }
564 }
565
566 if (recipfile && (operation == SMIME_DECRYPT))
567 {
568 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
569 e, "recipient certificate file")))
570 {
571 #if 0 /* An appropriate message has alrady been printed */
572 BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
573 #endif
574 ERR_print_errors(bio_err);
575 goto end;
576 }
577 }
578
579 if (operation == SMIME_DECRYPT)
580 {
581 if (!keyfile)
582 keyfile = recipfile;
583 }
584 else if (operation == SMIME_SIGN)
585 {
586 if (!keyfile)
587 keyfile = signerfile;
588 }
589 else keyfile = NULL;
590
591 if (keyfile)
592 {
593 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
594 "signing key file");
595 if (!key)
596 goto end;
597 }
598
599 if (infile)
600 {
601 if (!(in = BIO_new_file(infile, inmode)))
602 {
603 BIO_printf (bio_err,
604 "Can't open input file %s\n", infile);
605 goto end;
606 }
607 }
608 else
609 in = BIO_new_fp(stdin, BIO_NOCLOSE);
610
611 if (outfile)
612 {
613 if (!(out = BIO_new_file(outfile, outmode)))
614 {
615 BIO_printf (bio_err,
616 "Can't open output file %s\n", outfile);
617 goto end;
618 }
619 }
620 else
621 {
622 out = BIO_new_fp(stdout, BIO_NOCLOSE);
623 #ifdef OPENSSL_SYS_VMS
624 {
625 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
626 out = BIO_push(tmpbio, out);
627 }
628 #endif
629 }
630
631 if (operation == SMIME_VERIFY)
632 {
633 if (!(store = setup_verify(bio_err, CAfile, CApath)))
634 goto end;
635 X509_STORE_set_verify_cb_func(store, smime_cb);
636 if (vpm)
637 X509_STORE_set1_param(store, vpm);
638 }
639
640
641 ret = 3;
642
643 if (operation == SMIME_ENCRYPT)
644 p7 = PKCS7_encrypt(encerts, in, cipher, flags);
645 else if (operation == SMIME_SIGN)
646 {
647 /* If detached data and SMIME output enable partial
648 * signing.
649 */
650 if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
651 flags |= PKCS7_STREAM;
652 p7 = PKCS7_sign(signer, key, other, in, flags);
653 }
654 else
655 {
656 if (informat == FORMAT_SMIME)
657 p7 = SMIME_read_PKCS7(in, &indata);
658 else if (informat == FORMAT_PEM)
659 p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
660 else if (informat == FORMAT_ASN1)
661 p7 = d2i_PKCS7_bio(in, NULL);
662 else
663 {
664 BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
665 goto end;
666 }
667
668 if (!p7)
669 {
670 BIO_printf(bio_err, "Error reading S/MIME message\n");
671 goto end;
672 }
673 if (contfile)
674 {
675 BIO_free(indata);
676 if (!(indata = BIO_new_file(contfile, "rb")))
677 {
678 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
679 goto end;
680 }
681 }
682 }
683
684 if (!p7)
685 {
686 BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
687 goto end;
688 }
689
690 ret = 4;
691 if (operation == SMIME_DECRYPT)
692 {
693 if (!PKCS7_decrypt(p7, key, recip, out, flags))
694 {
695 BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
696 goto end;
697 }
698 }
699 else if (operation == SMIME_VERIFY)
700 {
701 STACK_OF(X509) *signers;
702 if (PKCS7_verify(p7, other, store, indata, out, flags))
703 BIO_printf(bio_err, "Verification successful\n");
704 else
705 {
706 BIO_printf(bio_err, "Verification failure\n");
707 goto end;
708 }
709 signers = PKCS7_get0_signers(p7, other, flags);
710 if (!save_certs(signerfile, signers))
711 {
712 BIO_printf(bio_err, "Error writing signers to %s\n",
713 signerfile);
714 ret = 5;
715 goto end;
716 }
717 sk_X509_free(signers);
718 }
719 else if (operation == SMIME_PK7OUT)
720 PEM_write_bio_PKCS7(out, p7);
721 else
722 {
723 if (to)
724 BIO_printf(out, "To: %s\n", to);
725 if (from)
726 BIO_printf(out, "From: %s\n", from);
727 if (subject)
728 BIO_printf(out, "Subject: %s\n", subject);
729 if (outformat == FORMAT_SMIME)
730 SMIME_write_PKCS7(out, p7, in, flags);
731 else if (outformat == FORMAT_PEM)
732 PEM_write_bio_PKCS7(out,p7);
733 else if (outformat == FORMAT_ASN1)
734 i2d_PKCS7_bio(out,p7);
735 else
736 {
737 BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
738 goto end;
739 }
740 }
741 ret = 0;
742 end:
743 if (need_rand)
744 app_RAND_write_file(NULL, bio_err);
745 if (ret) ERR_print_errors(bio_err);
746 sk_X509_pop_free(encerts, X509_free);
747 sk_X509_pop_free(other, X509_free);
748 if (vpm)
749 X509_VERIFY_PARAM_free(vpm);
750 X509_STORE_free(store);
751 X509_free(cert);
752 X509_free(recip);
753 X509_free(signer);
754 EVP_PKEY_free(key);
755 PKCS7_free(p7);
756 BIO_free(in);
757 BIO_free(indata);
758 BIO_free_all(out);
759 if (passin) OPENSSL_free(passin);
760 return (ret);
761 }
762
763 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
764 {
765 int i;
766 BIO *tmp;
767 if (!signerfile)
768 return 1;
769 tmp = BIO_new_file(signerfile, "w");
770 if (!tmp) return 0;
771 for(i = 0; i < sk_X509_num(signers); i++)
772 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
773 BIO_free(tmp);
774 return 1;
775 }
776
777
778 /* Minimal callback just to output policy info (if any) */
779
780 static int smime_cb(int ok, X509_STORE_CTX *ctx)
781 {
782 int error;
783
784 error = X509_STORE_CTX_get_error(ctx);
785
786 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
787 && ((error != X509_V_OK) || (ok != 2)))
788 return ok;
789
790 policies_print(NULL, ctx);
791
792 return ok;
793
794 }
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