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1 /*
2 * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /* CMS utility function */
11
12 #include <stdio.h>
13 #include <string.h>
14 #include "apps.h"
15
16 #ifndef OPENSSL_NO_CMS
17
18 # include <openssl/crypto.h>
19 # include <openssl/pem.h>
20 # include <openssl/err.h>
21 # include <openssl/x509_vfy.h>
22 # include <openssl/x509v3.h>
23 # include <openssl/cms.h>
24
25 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
26 static int cms_cb(int ok, X509_STORE_CTX *ctx);
27 static void receipt_request_print(CMS_ContentInfo *cms);
28 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
29 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
30 *rr_from);
31 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
32 STACK_OF(OPENSSL_STRING) *param);
33
34 # define SMIME_OP 0x10
35 # define SMIME_IP 0x20
36 # define SMIME_SIGNERS 0x40
37 # define SMIME_ENCRYPT (1 | SMIME_OP)
38 # define SMIME_DECRYPT (2 | SMIME_IP)
39 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
40 # define SMIME_VERIFY (4 | SMIME_IP)
41 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
42 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
43 # define SMIME_DATAOUT (7 | SMIME_IP)
44 # define SMIME_DATA_CREATE (8 | SMIME_OP)
45 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
46 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
47 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
48 # define SMIME_COMPRESS (12 | SMIME_OP)
49 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
50 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
51 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
52 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
53
54 static int verify_err = 0;
55
56 typedef struct cms_key_param_st cms_key_param;
57
58 struct cms_key_param_st {
59 int idx;
60 STACK_OF(OPENSSL_STRING) *param;
61 cms_key_param *next;
62 };
63
64 typedef enum OPTION_choice {
65 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
66 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
67 OPT_DECRYPT, OPT_SIGN, OPT_SIGN_RECEIPT, OPT_RESIGN,
68 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
69 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
70 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
71 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
72 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
73 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
74 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
75 OPT_NOINDEF, OPT_NOOLDMIME, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
76 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
77 OPT_CAPATH, OPT_NOCAPATH, OPT_NOCAFILE,OPT_CONTENT, OPT_PRINT,
78 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
79 OPT_RAND, OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
80 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
81 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
82 OPT_3DES_WRAP, OPT_ENGINE,
83 OPT_V_ENUM,
84 OPT_CIPHER
85 } OPTION_CHOICE;
86
87 OPTIONS cms_options[] = {
88 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
89 {OPT_HELP_STR, 1, '-',
90 " cert.pem... recipient certs for encryption\n"},
91 {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
92 {"help", OPT_HELP, '-', "Display this summary"},
93 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
94 {"outform", OPT_OUTFORM, 'c',
95 "Output format SMIME (default), PEM or DER"},
96 {"in", OPT_IN, '<', "Input file"},
97 {"out", OPT_OUT, '>', "Output file"},
98 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
99 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
100 {"sign", OPT_SIGN, '-', "Sign message"},
101 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
102 {"resign", OPT_RESIGN, '-'},
103 {"verify", OPT_VERIFY, '-', "Verify signed message"},
104 {"verify_retcode", OPT_VERIFY_RETCODE, '-'},
105 {"verify_receipt", OPT_VERIFY_RECEIPT, '<'},
106 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
107 {"data_out", OPT_DATA_OUT, '-'},
108 {"data_create", OPT_DATA_CREATE, '-'},
109 {"digest_verify", OPT_DIGEST_VERIFY, '-'},
110 {"digest_create", OPT_DIGEST_CREATE, '-'},
111 {"compress", OPT_COMPRESS, '-'},
112 {"uncompress", OPT_UNCOMPRESS, '-'},
113 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-'},
114 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-'},
115 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-'},
116 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
117 {"asciicrlf", OPT_ASCIICRLF, '-'},
118 {"nointern", OPT_NOINTERN, '-',
119 "Don't search certificates in message for signer"},
120 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
121 {"nocerts", OPT_NOCERTS, '-',
122 "Don't include signers certificate when signing"},
123 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
124 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
125 {"nosmimecap", OPT_NOSMIMECAP, '-'},
126 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
127 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
128 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
129 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-'},
130 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-'},
131 {"stream", OPT_INDEF, '-'},
132 {"indef", OPT_INDEF, '-'},
133 {"noindef", OPT_NOINDEF, '-'},
134 {"nooldmime", OPT_NOOLDMIME, '-'},
135 {"crlfeol", OPT_CRLFEOL, '-'},
136 {"noout", OPT_NOOUT, '-', "For the -cmsout operation do not output the parsed CMS structure"},
137 {"receipt_request_print", OPT_RR_PRINT, '-'},
138 {"receipt_request_all", OPT_RR_ALL, '-'},
139 {"receipt_request_first", OPT_RR_FIRST, '-'},
140 {"rctform", OPT_RCTFORM, 'F'},
141 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
142 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
143 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
144 {"no-CAfile", OPT_NOCAFILE, '-',
145 "Do not load the default certificates file"},
146 {"no-CApath", OPT_NOCAPATH, '-',
147 "Do not load certificates from the default certificates directory"},
148 {"content", OPT_CONTENT, '<',
149 "Supply or override content for detached signature"},
150 {"print", OPT_PRINT, '-', "For the -cmsout operation print out all fields of the CMS structure"},
151 {"secretkey", OPT_SECRETKEY, 's'},
152 {"secretkeyid", OPT_SECRETKEYID, 's'},
153 {"pwri_password", OPT_PWRI_PASSWORD, 's'},
154 {"econtent_type", OPT_ECONTENT_TYPE, 's'},
155 {"rand", OPT_RAND, 's',
156 "Load the file(s) into the random number generator"},
157 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
158 {"to", OPT_TO, 's', "To address"},
159 {"from", OPT_FROM, 's', "From address"},
160 {"subject", OPT_SUBJECT, 's', "Subject"},
161 {"signer", OPT_SIGNER, 's', "Signer certificate file"},
162 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
163 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
164 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
165 {"inkey", OPT_INKEY, 's',
166 "Input private key (if not signer or recipient)"},
167 {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
168 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
169 {"receipt_request_from", OPT_RR_FROM, 's'},
170 {"receipt_request_to", OPT_RR_TO, 's'},
171 {"", OPT_CIPHER, '-', "Any supported cipher"},
172 OPT_V_OPTIONS,
173 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
174 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
175 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
176 # ifndef OPENSSL_NO_DES
177 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
178 # endif
179 # ifndef OPENSSL_NO_ENGINE
180 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
181 # endif
182 {NULL}
183 };
184
185 int cms_main(int argc, char **argv)
186 {
187 ASN1_OBJECT *econtent_type = NULL;
188 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
189 CMS_ContentInfo *cms = NULL, *rcms = NULL;
190 CMS_ReceiptRequest *rr = NULL;
191 ENGINE *e = NULL;
192 EVP_PKEY *key = NULL;
193 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
194 const EVP_MD *sign_md = NULL;
195 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
196 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
197 STACK_OF(X509) *encerts = NULL, *other = NULL;
198 X509 *cert = NULL, *recip = NULL, *signer = NULL;
199 X509_STORE *store = NULL;
200 X509_VERIFY_PARAM *vpm = NULL;
201 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
202 const char *CAfile = NULL, *CApath = NULL;
203 char *certsoutfile = NULL;
204 int noCAfile = 0, noCApath = 0;
205 char *infile = NULL, *outfile = NULL, *rctfile = NULL, *inrand = NULL;
206 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile =
207 NULL;
208 char *to = NULL, *from = NULL, *subject = NULL, *prog;
209 cms_key_param *key_first = NULL, *key_param = NULL;
210 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched =
211 0;
212 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
213 int need_rand = 0, operation = 0, ret = 1, rr_print = 0, rr_allorfirst =
214 -1;
215 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
216 size_t secret_keylen = 0, secret_keyidlen = 0;
217 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
218 unsigned char *secret_key = NULL, *secret_keyid = NULL;
219 long ltmp;
220 const char *mime_eol = "\n";
221 OPTION_CHOICE o;
222
223 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
224 return 1;
225
226 prog = opt_init(argc, argv, cms_options);
227 while ((o = opt_next()) != OPT_EOF) {
228 switch (o) {
229 case OPT_EOF:
230 case OPT_ERR:
231 opthelp:
232 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
233 goto end;
234 case OPT_HELP:
235 opt_help(cms_options);
236 ret = 0;
237 goto end;
238 case OPT_INFORM:
239 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
240 goto opthelp;
241 break;
242 case OPT_OUTFORM:
243 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
244 goto opthelp;
245 break;
246 case OPT_OUT:
247 outfile = opt_arg();
248 break;
249 case OPT_ENCRYPT:
250 operation = SMIME_ENCRYPT;
251 break;
252 case OPT_DECRYPT:
253 operation = SMIME_DECRYPT;
254 break;
255 case OPT_SIGN:
256 operation = SMIME_SIGN;
257 break;
258 case OPT_SIGN_RECEIPT:
259 operation = SMIME_SIGN_RECEIPT;
260 break;
261 case OPT_RESIGN:
262 operation = SMIME_RESIGN;
263 break;
264 case OPT_VERIFY:
265 operation = SMIME_VERIFY;
266 break;
267 case OPT_VERIFY_RETCODE:
268 verify_retcode = 1;
269 break;
270 case OPT_VERIFY_RECEIPT:
271 operation = SMIME_VERIFY_RECEIPT;
272 rctfile = opt_arg();
273 break;
274 case OPT_CMSOUT:
275 operation = SMIME_CMSOUT;
276 break;
277 case OPT_DATA_OUT:
278 operation = SMIME_DATAOUT;
279 break;
280 case OPT_DATA_CREATE:
281 operation = SMIME_DATA_CREATE;
282 break;
283 case OPT_DIGEST_VERIFY:
284 operation = SMIME_DIGEST_VERIFY;
285 break;
286 case OPT_DIGEST_CREATE:
287 operation = SMIME_DIGEST_CREATE;
288 break;
289 case OPT_COMPRESS:
290 operation = SMIME_COMPRESS;
291 break;
292 case OPT_UNCOMPRESS:
293 operation = SMIME_UNCOMPRESS;
294 break;
295 case OPT_ED_DECRYPT:
296 operation = SMIME_ENCRYPTED_DECRYPT;
297 break;
298 case OPT_ED_ENCRYPT:
299 operation = SMIME_ENCRYPTED_ENCRYPT;
300 break;
301 case OPT_DEBUG_DECRYPT:
302 flags |= CMS_DEBUG_DECRYPT;
303 break;
304 case OPT_TEXT:
305 flags |= CMS_TEXT;
306 break;
307 case OPT_ASCIICRLF:
308 flags |= CMS_ASCIICRLF;
309 break;
310 case OPT_NOINTERN:
311 flags |= CMS_NOINTERN;
312 break;
313 case OPT_NOVERIFY:
314 flags |= CMS_NO_SIGNER_CERT_VERIFY;
315 break;
316 case OPT_NOCERTS:
317 flags |= CMS_NOCERTS;
318 break;
319 case OPT_NOATTR:
320 flags |= CMS_NOATTR;
321 break;
322 case OPT_NODETACH:
323 flags &= ~CMS_DETACHED;
324 break;
325 case OPT_NOSMIMECAP:
326 flags |= CMS_NOSMIMECAP;
327 break;
328 case OPT_BINARY:
329 flags |= CMS_BINARY;
330 break;
331 case OPT_KEYID:
332 flags |= CMS_USE_KEYID;
333 break;
334 case OPT_NOSIGS:
335 flags |= CMS_NOSIGS;
336 break;
337 case OPT_NO_CONTENT_VERIFY:
338 flags |= CMS_NO_CONTENT_VERIFY;
339 break;
340 case OPT_NO_ATTR_VERIFY:
341 flags |= CMS_NO_ATTR_VERIFY;
342 break;
343 case OPT_INDEF:
344 flags |= CMS_STREAM;
345 break;
346 case OPT_NOINDEF:
347 flags &= ~CMS_STREAM;
348 break;
349 case OPT_NOOLDMIME:
350 flags |= CMS_NOOLDMIMETYPE;
351 break;
352 case OPT_CRLFEOL:
353 mime_eol = "\r\n";
354 flags |= CMS_CRLFEOL;
355 break;
356 case OPT_NOOUT:
357 noout = 1;
358 break;
359 case OPT_RR_PRINT:
360 rr_print = 1;
361 break;
362 case OPT_RR_ALL:
363 rr_allorfirst = 0;
364 break;
365 case OPT_RR_FIRST:
366 rr_allorfirst = 1;
367 break;
368 case OPT_RCTFORM:
369 if (rctformat == FORMAT_SMIME)
370 rcms = SMIME_read_CMS(rctin, NULL);
371 else if (rctformat == FORMAT_PEM)
372 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
373 else if (rctformat == FORMAT_ASN1)
374 if (!opt_format(opt_arg(),
375 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
376 goto opthelp;
377 break;
378 case OPT_CERTFILE:
379 certfile = opt_arg();
380 break;
381 case OPT_CAFILE:
382 CAfile = opt_arg();
383 break;
384 case OPT_CAPATH:
385 CApath = opt_arg();
386 break;
387 case OPT_NOCAFILE:
388 noCAfile = 1;
389 break;
390 case OPT_NOCAPATH:
391 noCApath = 1;
392 break;
393 case OPT_IN:
394 infile = opt_arg();
395 break;
396 case OPT_CONTENT:
397 contfile = opt_arg();
398 break;
399 case OPT_RR_FROM:
400 if (rr_from == NULL
401 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
402 goto end;
403 sk_OPENSSL_STRING_push(rr_from, opt_arg());
404 break;
405 case OPT_RR_TO:
406 if (rr_to == NULL
407 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
408 goto end;
409 sk_OPENSSL_STRING_push(rr_to, opt_arg());
410 break;
411 case OPT_PRINT:
412 noout = print = 1;
413 break;
414 case OPT_SECRETKEY:
415 if (secret_key != NULL) {
416 /* Cannot be supplied twice */
417 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
418 goto opthelp;
419 }
420 secret_key = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
421 if (secret_key == NULL) {
422 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
423 goto end;
424 }
425 secret_keylen = (size_t)ltmp;
426 break;
427 case OPT_SECRETKEYID:
428 if (secret_keyid != NULL) {
429 /* Cannot be supplied twice */
430 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
431 goto opthelp;
432 }
433 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), &ltmp);
434 if (secret_keyid == NULL) {
435 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
436 goto opthelp;
437 }
438 secret_keyidlen = (size_t)ltmp;
439 break;
440 case OPT_PWRI_PASSWORD:
441 pwri_pass = (unsigned char *)opt_arg();
442 break;
443 case OPT_ECONTENT_TYPE:
444 if (econtent_type != NULL) {
445 /* Cannot be supplied twice */
446 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
447 goto opthelp;
448 }
449 econtent_type = OBJ_txt2obj(opt_arg(), 0);
450 if (econtent_type == NULL) {
451 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
452 goto opthelp;
453 }
454 break;
455 case OPT_RAND:
456 inrand = opt_arg();
457 need_rand = 1;
458 break;
459 case OPT_ENGINE:
460 e = setup_engine(opt_arg(), 0);
461 break;
462 case OPT_PASSIN:
463 passinarg = opt_arg();
464 break;
465 case OPT_TO:
466 to = opt_arg();
467 break;
468 case OPT_FROM:
469 from = opt_arg();
470 break;
471 case OPT_SUBJECT:
472 subject = opt_arg();
473 break;
474 case OPT_CERTSOUT:
475 certsoutfile = opt_arg();
476 break;
477 case OPT_MD:
478 if (!opt_md(opt_arg(), &sign_md))
479 goto end;
480 break;
481 case OPT_SIGNER:
482 /* If previous -signer argument add signer to list */
483 if (signerfile) {
484 if (sksigners == NULL
485 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
486 goto end;
487 sk_OPENSSL_STRING_push(sksigners, signerfile);
488 if (keyfile == NULL)
489 keyfile = signerfile;
490 if (skkeys == NULL
491 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
492 goto end;
493 sk_OPENSSL_STRING_push(skkeys, keyfile);
494 keyfile = NULL;
495 }
496 signerfile = opt_arg();
497 break;
498 case OPT_INKEY:
499 /* If previous -inkey argument add signer to list */
500 if (keyfile) {
501 if (signerfile == NULL) {
502 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
503 goto end;
504 }
505 if (sksigners == NULL
506 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
507 goto end;
508 sk_OPENSSL_STRING_push(sksigners, signerfile);
509 signerfile = NULL;
510 if (skkeys == NULL
511 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
512 goto end;
513 sk_OPENSSL_STRING_push(skkeys, keyfile);
514 }
515 keyfile = opt_arg();
516 break;
517 case OPT_KEYFORM:
518 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
519 goto opthelp;
520 break;
521 case OPT_RECIP:
522 if (operation == SMIME_ENCRYPT) {
523 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
524 goto end;
525 cert = load_cert(opt_arg(), FORMAT_PEM,
526 "recipient certificate file");
527 if (cert == NULL)
528 goto end;
529 sk_X509_push(encerts, cert);
530 cert = NULL;
531 } else
532 recipfile = opt_arg();
533 break;
534 case OPT_CIPHER:
535 if (!opt_cipher(opt_unknown(), &cipher))
536 goto end;
537 break;
538 case OPT_KEYOPT:
539 keyidx = -1;
540 if (operation == SMIME_ENCRYPT) {
541 if (encerts)
542 keyidx += sk_X509_num(encerts);
543 } else {
544 if (keyfile || signerfile)
545 keyidx++;
546 if (skkeys)
547 keyidx += sk_OPENSSL_STRING_num(skkeys);
548 }
549 if (keyidx < 0) {
550 BIO_printf(bio_err, "No key specified\n");
551 goto opthelp;
552 }
553 if (key_param == NULL || key_param->idx != keyidx) {
554 cms_key_param *nparam;
555 nparam = app_malloc(sizeof(*nparam), "key param buffer");
556 nparam->idx = keyidx;
557 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
558 goto end;
559 nparam->next = NULL;
560 if (key_first == NULL)
561 key_first = nparam;
562 else
563 key_param->next = nparam;
564 key_param = nparam;
565 }
566 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
567 break;
568 case OPT_V_CASES:
569 if (!opt_verify(o, vpm))
570 goto end;
571 vpmtouched++;
572 break;
573 case OPT_3DES_WRAP:
574 # ifndef OPENSSL_NO_DES
575 wrap_cipher = EVP_des_ede3_wrap();
576 # endif
577 break;
578 case OPT_AES128_WRAP:
579 wrap_cipher = EVP_aes_128_wrap();
580 break;
581 case OPT_AES192_WRAP:
582 wrap_cipher = EVP_aes_192_wrap();
583 break;
584 case OPT_AES256_WRAP:
585 wrap_cipher = EVP_aes_256_wrap();
586 break;
587 }
588 }
589 argc = opt_num_rest();
590 argv = opt_rest();
591
592 if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
593 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
594 goto opthelp;
595 }
596
597 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
598 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
599 goto opthelp;
600 }
601 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
602 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
603 goto opthelp;
604 }
605
606 if (operation & SMIME_SIGNERS) {
607 if (keyfile && !signerfile) {
608 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
609 goto opthelp;
610 }
611 /* Check to see if any final signer needs to be appended */
612 if (signerfile) {
613 if (!sksigners
614 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
615 goto end;
616 sk_OPENSSL_STRING_push(sksigners, signerfile);
617 if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
618 goto end;
619 if (!keyfile)
620 keyfile = signerfile;
621 sk_OPENSSL_STRING_push(skkeys, keyfile);
622 }
623 if (!sksigners) {
624 BIO_printf(bio_err, "No signer certificate specified\n");
625 goto opthelp;
626 }
627 signerfile = NULL;
628 keyfile = NULL;
629 need_rand = 1;
630 }
631
632 else if (operation == SMIME_DECRYPT) {
633 if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
634 BIO_printf(bio_err,
635 "No recipient certificate or key specified\n");
636 goto opthelp;
637 }
638 } else if (operation == SMIME_ENCRYPT) {
639 if (*argv == NULL && !secret_key && !pwri_pass && !encerts) {
640 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
641 goto opthelp;
642 }
643 need_rand = 1;
644 } else if (!operation)
645 goto opthelp;
646
647 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
648 BIO_printf(bio_err, "Error getting password\n");
649 goto end;
650 }
651
652 if (need_rand) {
653 app_RAND_load_file(NULL, (inrand != NULL));
654 if (inrand != NULL)
655 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
656 app_RAND_load_files(inrand));
657 }
658
659 ret = 2;
660
661 if (!(operation & SMIME_SIGNERS))
662 flags &= ~CMS_DETACHED;
663
664 if (!(operation & SMIME_OP)) {
665 if (flags & CMS_BINARY)
666 outformat = FORMAT_BINARY;
667 }
668
669 if (!(operation & SMIME_IP)) {
670 if (flags & CMS_BINARY)
671 informat = FORMAT_BINARY;
672 }
673
674 if (operation == SMIME_ENCRYPT) {
675 if (!cipher) {
676 # ifndef OPENSSL_NO_DES
677 cipher = EVP_des_ede3_cbc();
678 # else
679 BIO_printf(bio_err, "No cipher selected\n");
680 goto end;
681 # endif
682 }
683
684 if (secret_key && !secret_keyid) {
685 BIO_printf(bio_err, "No secret key id\n");
686 goto end;
687 }
688
689 if (*argv && !encerts)
690 if ((encerts = sk_X509_new_null()) == NULL)
691 goto end;
692 while (*argv) {
693 if ((cert = load_cert(*argv, FORMAT_PEM,
694 "recipient certificate file")) == NULL)
695 goto end;
696 sk_X509_push(encerts, cert);
697 cert = NULL;
698 argv++;
699 }
700 }
701
702 if (certfile) {
703 if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
704 "certificate file")) {
705 ERR_print_errors(bio_err);
706 goto end;
707 }
708 }
709
710 if (recipfile && (operation == SMIME_DECRYPT)) {
711 if ((recip = load_cert(recipfile, FORMAT_PEM,
712 "recipient certificate file")) == NULL) {
713 ERR_print_errors(bio_err);
714 goto end;
715 }
716 }
717
718 if (operation == SMIME_SIGN_RECEIPT) {
719 if ((signer = load_cert(signerfile, FORMAT_PEM,
720 "receipt signer certificate file")) == NULL) {
721 ERR_print_errors(bio_err);
722 goto end;
723 }
724 }
725
726 if (operation == SMIME_DECRYPT) {
727 if (!keyfile)
728 keyfile = recipfile;
729 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
730 if (!keyfile)
731 keyfile = signerfile;
732 } else
733 keyfile = NULL;
734
735 if (keyfile) {
736 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
737 if (!key)
738 goto end;
739 }
740
741 in = bio_open_default(infile, 'r', informat);
742 if (in == NULL)
743 goto end;
744
745 if (operation & SMIME_IP) {
746 if (informat == FORMAT_SMIME)
747 cms = SMIME_read_CMS(in, &indata);
748 else if (informat == FORMAT_PEM)
749 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
750 else if (informat == FORMAT_ASN1)
751 cms = d2i_CMS_bio(in, NULL);
752 else {
753 BIO_printf(bio_err, "Bad input format for CMS file\n");
754 goto end;
755 }
756
757 if (!cms) {
758 BIO_printf(bio_err, "Error reading S/MIME message\n");
759 goto end;
760 }
761 if (contfile) {
762 BIO_free(indata);
763 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
764 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
765 goto end;
766 }
767 }
768 if (certsoutfile) {
769 STACK_OF(X509) *allcerts;
770 allcerts = CMS_get1_certs(cms);
771 if (!save_certs(certsoutfile, allcerts)) {
772 BIO_printf(bio_err,
773 "Error writing certs to %s\n", certsoutfile);
774 ret = 5;
775 goto end;
776 }
777 sk_X509_pop_free(allcerts, X509_free);
778 }
779 }
780
781 if (rctfile) {
782 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
783 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
784 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
785 goto end;
786 }
787
788 if (rctformat == FORMAT_SMIME)
789 rcms = SMIME_read_CMS(rctin, NULL);
790 else if (rctformat == FORMAT_PEM)
791 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
792 else if (rctformat == FORMAT_ASN1)
793 rcms = d2i_CMS_bio(rctin, NULL);
794 else {
795 BIO_printf(bio_err, "Bad input format for receipt\n");
796 goto end;
797 }
798
799 if (!rcms) {
800 BIO_printf(bio_err, "Error reading receipt\n");
801 goto end;
802 }
803 }
804
805 out = bio_open_default(outfile, 'w', outformat);
806 if (out == NULL)
807 goto end;
808
809 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
810 if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
811 goto end;
812 X509_STORE_set_verify_cb(store, cms_cb);
813 if (vpmtouched)
814 X509_STORE_set1_param(store, vpm);
815 }
816
817 ret = 3;
818
819 if (operation == SMIME_DATA_CREATE) {
820 cms = CMS_data_create(in, flags);
821 } else if (operation == SMIME_DIGEST_CREATE) {
822 cms = CMS_digest_create(in, sign_md, flags);
823 } else if (operation == SMIME_COMPRESS) {
824 cms = CMS_compress(in, -1, flags);
825 } else if (operation == SMIME_ENCRYPT) {
826 int i;
827 flags |= CMS_PARTIAL;
828 cms = CMS_encrypt(NULL, in, cipher, flags);
829 if (!cms)
830 goto end;
831 for (i = 0; i < sk_X509_num(encerts); i++) {
832 CMS_RecipientInfo *ri;
833 cms_key_param *kparam;
834 int tflags = flags;
835 X509 *x = sk_X509_value(encerts, i);
836 for (kparam = key_first; kparam; kparam = kparam->next) {
837 if (kparam->idx == i) {
838 tflags |= CMS_KEY_PARAM;
839 break;
840 }
841 }
842 ri = CMS_add1_recipient_cert(cms, x, tflags);
843 if (!ri)
844 goto end;
845 if (kparam) {
846 EVP_PKEY_CTX *pctx;
847 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
848 if (!cms_set_pkey_param(pctx, kparam->param))
849 goto end;
850 }
851 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
852 && wrap_cipher) {
853 EVP_CIPHER_CTX *wctx;
854 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
855 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
856 }
857 }
858
859 if (secret_key) {
860 if (!CMS_add0_recipient_key(cms, NID_undef,
861 secret_key, secret_keylen,
862 secret_keyid, secret_keyidlen,
863 NULL, NULL, NULL))
864 goto end;
865 /* NULL these because call absorbs them */
866 secret_key = NULL;
867 secret_keyid = NULL;
868 }
869 if (pwri_pass) {
870 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
871 if (!pwri_tmp)
872 goto end;
873 if (!CMS_add0_recipient_password(cms,
874 -1, NID_undef, NID_undef,
875 pwri_tmp, -1, NULL))
876 goto end;
877 pwri_tmp = NULL;
878 }
879 if (!(flags & CMS_STREAM)) {
880 if (!CMS_final(cms, in, NULL, flags))
881 goto end;
882 }
883 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
884 cms = CMS_EncryptedData_encrypt(in, cipher,
885 secret_key, secret_keylen, flags);
886
887 } else if (operation == SMIME_SIGN_RECEIPT) {
888 CMS_ContentInfo *srcms = NULL;
889 STACK_OF(CMS_SignerInfo) *sis;
890 CMS_SignerInfo *si;
891 sis = CMS_get0_SignerInfos(cms);
892 if (!sis)
893 goto end;
894 si = sk_CMS_SignerInfo_value(sis, 0);
895 srcms = CMS_sign_receipt(si, signer, key, other, flags);
896 if (!srcms)
897 goto end;
898 CMS_ContentInfo_free(cms);
899 cms = srcms;
900 } else if (operation & SMIME_SIGNERS) {
901 int i;
902 /*
903 * If detached data content we enable streaming if S/MIME output
904 * format.
905 */
906 if (operation == SMIME_SIGN) {
907
908 if (flags & CMS_DETACHED) {
909 if (outformat == FORMAT_SMIME)
910 flags |= CMS_STREAM;
911 }
912 flags |= CMS_PARTIAL;
913 cms = CMS_sign(NULL, NULL, other, in, flags);
914 if (!cms)
915 goto end;
916 if (econtent_type)
917 CMS_set1_eContentType(cms, econtent_type);
918
919 if (rr_to) {
920 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
921 if (!rr) {
922 BIO_puts(bio_err,
923 "Signed Receipt Request Creation Error\n");
924 goto end;
925 }
926 }
927 } else
928 flags |= CMS_REUSE_DIGEST;
929 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
930 CMS_SignerInfo *si;
931 cms_key_param *kparam;
932 int tflags = flags;
933 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
934 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
935
936 signer = load_cert(signerfile, FORMAT_PEM, "signer certificate");
937 if (!signer)
938 goto end;
939 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
940 if (!key)
941 goto end;
942 for (kparam = key_first; kparam; kparam = kparam->next) {
943 if (kparam->idx == i) {
944 tflags |= CMS_KEY_PARAM;
945 break;
946 }
947 }
948 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
949 if (!si)
950 goto end;
951 if (kparam) {
952 EVP_PKEY_CTX *pctx;
953 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
954 if (!cms_set_pkey_param(pctx, kparam->param))
955 goto end;
956 }
957 if (rr && !CMS_add1_ReceiptRequest(si, rr))
958 goto end;
959 X509_free(signer);
960 signer = NULL;
961 EVP_PKEY_free(key);
962 key = NULL;
963 }
964 /* If not streaming or resigning finalize structure */
965 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
966 if (!CMS_final(cms, in, NULL, flags))
967 goto end;
968 }
969 }
970
971 if (!cms) {
972 BIO_printf(bio_err, "Error creating CMS structure\n");
973 goto end;
974 }
975
976 ret = 4;
977 if (operation == SMIME_DECRYPT) {
978 if (flags & CMS_DEBUG_DECRYPT)
979 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
980
981 if (secret_key) {
982 if (!CMS_decrypt_set1_key(cms,
983 secret_key, secret_keylen,
984 secret_keyid, secret_keyidlen)) {
985 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
986 goto end;
987 }
988 }
989
990 if (key) {
991 if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
992 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
993 goto end;
994 }
995 }
996
997 if (pwri_pass) {
998 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
999 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1000 goto end;
1001 }
1002 }
1003
1004 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1005 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1006 goto end;
1007 }
1008 } else if (operation == SMIME_DATAOUT) {
1009 if (!CMS_data(cms, out, flags))
1010 goto end;
1011 } else if (operation == SMIME_UNCOMPRESS) {
1012 if (!CMS_uncompress(cms, indata, out, flags))
1013 goto end;
1014 } else if (operation == SMIME_DIGEST_VERIFY) {
1015 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1016 BIO_printf(bio_err, "Verification successful\n");
1017 else {
1018 BIO_printf(bio_err, "Verification failure\n");
1019 goto end;
1020 }
1021 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1022 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1023 indata, out, flags))
1024 goto end;
1025 } else if (operation == SMIME_VERIFY) {
1026 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1027 BIO_printf(bio_err, "Verification successful\n");
1028 else {
1029 BIO_printf(bio_err, "Verification failure\n");
1030 if (verify_retcode)
1031 ret = verify_err + 32;
1032 goto end;
1033 }
1034 if (signerfile) {
1035 STACK_OF(X509) *signers;
1036 signers = CMS_get0_signers(cms);
1037 if (!save_certs(signerfile, signers)) {
1038 BIO_printf(bio_err,
1039 "Error writing signers to %s\n", signerfile);
1040 ret = 5;
1041 goto end;
1042 }
1043 sk_X509_free(signers);
1044 }
1045 if (rr_print)
1046 receipt_request_print(cms);
1047
1048 } else if (operation == SMIME_VERIFY_RECEIPT) {
1049 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1050 BIO_printf(bio_err, "Verification successful\n");
1051 else {
1052 BIO_printf(bio_err, "Verification failure\n");
1053 goto end;
1054 }
1055 } else {
1056 if (noout) {
1057 if (print)
1058 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1059 } else if (outformat == FORMAT_SMIME) {
1060 if (to)
1061 BIO_printf(out, "To: %s%s", to, mime_eol);
1062 if (from)
1063 BIO_printf(out, "From: %s%s", from, mime_eol);
1064 if (subject)
1065 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1066 if (operation == SMIME_RESIGN)
1067 ret = SMIME_write_CMS(out, cms, indata, flags);
1068 else
1069 ret = SMIME_write_CMS(out, cms, in, flags);
1070 } else if (outformat == FORMAT_PEM)
1071 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1072 else if (outformat == FORMAT_ASN1)
1073 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1074 else {
1075 BIO_printf(bio_err, "Bad output format for CMS file\n");
1076 goto end;
1077 }
1078 if (ret <= 0) {
1079 ret = 6;
1080 goto end;
1081 }
1082 }
1083 ret = 0;
1084 end:
1085 if (ret)
1086 ERR_print_errors(bio_err);
1087 if (need_rand)
1088 app_RAND_write_file(NULL);
1089 sk_X509_pop_free(encerts, X509_free);
1090 sk_X509_pop_free(other, X509_free);
1091 X509_VERIFY_PARAM_free(vpm);
1092 sk_OPENSSL_STRING_free(sksigners);
1093 sk_OPENSSL_STRING_free(skkeys);
1094 OPENSSL_free(secret_key);
1095 OPENSSL_free(secret_keyid);
1096 OPENSSL_free(pwri_tmp);
1097 ASN1_OBJECT_free(econtent_type);
1098 CMS_ReceiptRequest_free(rr);
1099 sk_OPENSSL_STRING_free(rr_to);
1100 sk_OPENSSL_STRING_free(rr_from);
1101 for (key_param = key_first; key_param;) {
1102 cms_key_param *tparam;
1103 sk_OPENSSL_STRING_free(key_param->param);
1104 tparam = key_param->next;
1105 OPENSSL_free(key_param);
1106 key_param = tparam;
1107 }
1108 X509_STORE_free(store);
1109 X509_free(cert);
1110 X509_free(recip);
1111 X509_free(signer);
1112 EVP_PKEY_free(key);
1113 CMS_ContentInfo_free(cms);
1114 CMS_ContentInfo_free(rcms);
1115 BIO_free(rctin);
1116 BIO_free(in);
1117 BIO_free(indata);
1118 BIO_free_all(out);
1119 OPENSSL_free(passin);
1120 return (ret);
1121 }
1122
1123 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1124 {
1125 int i;
1126 BIO *tmp;
1127 if (!signerfile)
1128 return 1;
1129 tmp = BIO_new_file(signerfile, "w");
1130 if (!tmp)
1131 return 0;
1132 for (i = 0; i < sk_X509_num(signers); i++)
1133 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1134 BIO_free(tmp);
1135 return 1;
1136 }
1137
1138 /* Minimal callback just to output policy info (if any) */
1139
1140 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1141 {
1142 int error;
1143
1144 error = X509_STORE_CTX_get_error(ctx);
1145
1146 verify_err = error;
1147
1148 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1149 && ((error != X509_V_OK) || (ok != 2)))
1150 return ok;
1151
1152 policies_print(ctx);
1153
1154 return ok;
1155
1156 }
1157
1158 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1159 {
1160 STACK_OF(GENERAL_NAME) *gens;
1161 GENERAL_NAME *gen;
1162 int i, j;
1163
1164 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1165 gens = sk_GENERAL_NAMES_value(gns, i);
1166 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1167 gen = sk_GENERAL_NAME_value(gens, j);
1168 BIO_puts(bio_err, " ");
1169 GENERAL_NAME_print(bio_err, gen);
1170 BIO_puts(bio_err, "\n");
1171 }
1172 }
1173 return;
1174 }
1175
1176 static void receipt_request_print(CMS_ContentInfo *cms)
1177 {
1178 STACK_OF(CMS_SignerInfo) *sis;
1179 CMS_SignerInfo *si;
1180 CMS_ReceiptRequest *rr;
1181 int allorfirst;
1182 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1183 ASN1_STRING *scid;
1184 int i, rv;
1185 sis = CMS_get0_SignerInfos(cms);
1186 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1187 si = sk_CMS_SignerInfo_value(sis, i);
1188 rv = CMS_get1_ReceiptRequest(si, &rr);
1189 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1190 if (rv == 0)
1191 BIO_puts(bio_err, " No Receipt Request\n");
1192 else if (rv < 0) {
1193 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1194 ERR_print_errors(bio_err);
1195 } else {
1196 const char *id;
1197 int idlen;
1198 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1199 &rlist, &rto);
1200 BIO_puts(bio_err, " Signed Content ID:\n");
1201 idlen = ASN1_STRING_length(scid);
1202 id = (const char *)ASN1_STRING_get0_data(scid);
1203 BIO_dump_indent(bio_err, id, idlen, 4);
1204 BIO_puts(bio_err, " Receipts From");
1205 if (rlist) {
1206 BIO_puts(bio_err, " List:\n");
1207 gnames_stack_print(rlist);
1208 } else if (allorfirst == 1)
1209 BIO_puts(bio_err, ": First Tier\n");
1210 else if (allorfirst == 0)
1211 BIO_puts(bio_err, ": All\n");
1212 else
1213 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1214 BIO_puts(bio_err, " Receipts To:\n");
1215 gnames_stack_print(rto);
1216 }
1217 CMS_ReceiptRequest_free(rr);
1218 }
1219 }
1220
1221 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1222 {
1223 int i;
1224 STACK_OF(GENERAL_NAMES) *ret;
1225 GENERAL_NAMES *gens = NULL;
1226 GENERAL_NAME *gen = NULL;
1227 ret = sk_GENERAL_NAMES_new_null();
1228 if (!ret)
1229 goto err;
1230 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1231 char *str = sk_OPENSSL_STRING_value(ns, i);
1232 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1233 if (!gen)
1234 goto err;
1235 gens = GENERAL_NAMES_new();
1236 if (gens == NULL)
1237 goto err;
1238 if (!sk_GENERAL_NAME_push(gens, gen))
1239 goto err;
1240 gen = NULL;
1241 if (!sk_GENERAL_NAMES_push(ret, gens))
1242 goto err;
1243 gens = NULL;
1244 }
1245
1246 return ret;
1247
1248 err:
1249 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1250 GENERAL_NAMES_free(gens);
1251 GENERAL_NAME_free(gen);
1252 return NULL;
1253 }
1254
1255 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1256 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1257 *rr_from)
1258 {
1259 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1260 CMS_ReceiptRequest *rr;
1261 rct_to = make_names_stack(rr_to);
1262 if (!rct_to)
1263 goto err;
1264 if (rr_from) {
1265 rct_from = make_names_stack(rr_from);
1266 if (!rct_from)
1267 goto err;
1268 } else
1269 rct_from = NULL;
1270 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1271 rct_to);
1272 return rr;
1273 err:
1274 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1275 return NULL;
1276 }
1277
1278 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1279 STACK_OF(OPENSSL_STRING) *param)
1280 {
1281 char *keyopt;
1282 int i;
1283 if (sk_OPENSSL_STRING_num(param) <= 0)
1284 return 1;
1285 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1286 keyopt = sk_OPENSSL_STRING_value(param, i);
1287 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1288 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1289 ERR_print_errors(bio_err);
1290 return 0;
1291 }
1292 }
1293 return 1;
1294 }
1295
1296 #endif
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