1 /*
2 * Copyright 2008-2025 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 #include "progs.h"
16
17 #include <openssl/crypto.h>
18 #include <openssl/pem.h>
19 #include <openssl/err.h>
20 #include <openssl/x509_vfy.h>
21 #include <openssl/x509v3.h>
22 #include <openssl/cms.h>
23
24 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
25 static int cms_cb(int ok, X509_STORE_CTX *ctx);
26 static void receipt_request_print(CMS_ContentInfo *cms);
27 static CMS_ReceiptRequest
28 *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
29 STACK_OF(OPENSSL_STRING) *rr_from);
30 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
31 STACK_OF(OPENSSL_STRING) *param);
32
33 #define SMIME_OP 0x100
34 #define SMIME_IP 0x200
35 #define SMIME_SIGNERS 0x400
36 #define SMIME_ENCRYPT (1 | SMIME_OP)
37 #define SMIME_DECRYPT (2 | SMIME_IP)
38 #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
39 #define SMIME_VERIFY (4 | SMIME_IP)
40 #define SMIME_RESIGN (5 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
41 #define SMIME_SIGN_RECEIPT (6 | SMIME_IP | SMIME_OP)
42 #define SMIME_VERIFY_RECEIPT (7 | SMIME_IP)
43 #define SMIME_DIGEST_CREATE (8 | SMIME_OP)
44 #define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
45 #define SMIME_COMPRESS (10 | SMIME_OP)
46 #define SMIME_UNCOMPRESS (11 | SMIME_IP)
47 #define SMIME_ENCRYPTED_ENCRYPT (12 | SMIME_OP)
48 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
49 #define SMIME_DATA_CREATE (14 | SMIME_OP)
50 #define SMIME_DATA_OUT (15 | SMIME_IP)
51 #define SMIME_CMSOUT (16 | SMIME_IP | SMIME_OP)
52
53 static int verify_err = 0;
54
55 typedef struct cms_key_param_st cms_key_param;
56
57 struct cms_key_param_st {
58 int idx;
59 STACK_OF(OPENSSL_STRING) *param;
60 cms_key_param *next;
61 };
62
63 typedef enum OPTION_choice {
64 OPT_COMMON,
65 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
66 OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
67 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
68 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
69 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
70 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
71 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
72 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
73 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
74 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
75 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
76 OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
77 OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT,
78 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
79 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_WRAP, OPT_ENGINE,
83 OPT_R_ENUM,
84 OPT_PROV_ENUM, OPT_CONFIG,
85 OPT_V_ENUM,
86 OPT_CIPHER,
87 OPT_ORIGINATOR
88 } OPTION_CHOICE;
89
90 const OPTIONS cms_options[] = {
91 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
92 {"help", OPT_HELP, '-', "Display this summary"},
93
94 OPT_SECTION("General"),
95 {"in", OPT_IN, '<', "Input file"},
96 {"out", OPT_OUT, '>', "Output file"},
97 OPT_CONFIG_OPTION,
98
99 OPT_SECTION("Operation"),
100 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
101 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
102 {"sign", OPT_SIGN, '-', "Sign message"},
103 {"verify", OPT_VERIFY, '-', "Verify signed message"},
104 {"resign", OPT_RESIGN, '-', "Resign a signed message"},
105 {"sign_receipt", OPT_SIGN_RECEIPT, '-',
106 "Generate a signed receipt for a message"},
107 {"verify_receipt", OPT_VERIFY_RECEIPT, '<',
108 "Verify receipts; exit if receipt signatures do not verify"},
109 {"digest_create", OPT_DIGEST_CREATE, '-',
110 "Create a CMS \"DigestedData\" object"},
111 {"digest_verify", OPT_DIGEST_VERIFY, '-',
112 "Verify a CMS \"DigestedData\" object and output it"},
113 {"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
114 {"uncompress", OPT_UNCOMPRESS, '-',
115 "Uncompress a CMS \"CompressedData\" object"},
116 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
117 "Create CMS \"EncryptedData\" object using symmetric key"},
118 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
119 "Decrypt CMS \"EncryptedData\" object using symmetric key"},
120 {"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
121 {"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
122 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
123
124 OPT_SECTION("File format"),
125 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
126 {"outform", OPT_OUTFORM, 'c',
127 "Output format SMIME (default), PEM or DER"},
128 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
129 {"stream", OPT_INDEF, '-', "Enable CMS streaming"},
130 {"indef", OPT_INDEF, '-', "Same as -stream"},
131 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
132 {"binary", OPT_BINARY, '-',
133 "Treat input as binary: do not translate to canonical form"},
134 {"crlfeol", OPT_CRLFEOL, '-',
135 "Use CRLF as EOL termination instead of LF only" },
136 {"asciicrlf", OPT_ASCIICRLF, '-',
137 "Perform CRLF canonicalisation when signing"},
138
139 OPT_SECTION("Keys and passwords"),
140 {"pwri_password", OPT_PWRI_PASSWORD, 's',
141 "Specific password for recipient"},
142 {"secretkey", OPT_SECRETKEY, 's',
143 "Use specified hex-encoded key to decrypt/encrypt recipients or content"},
144 {"secretkeyid", OPT_SECRETKEYID, 's',
145 "Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
146 {"inkey", OPT_INKEY, 's',
147 "Input private key (if not signer or recipient)"},
148 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
149 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
150 {"keyform", OPT_KEYFORM, 'f',
151 "Input private key format (ENGINE, other values ignored)"},
152 #ifndef OPENSSL_NO_ENGINE
153 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
154 #endif
155 OPT_PROV_OPTIONS,
156 OPT_R_OPTIONS,
157
158 OPT_SECTION("Encryption and decryption"),
159 {"originator", OPT_ORIGINATOR, 's', "Originator certificate file"},
160 {"recip", OPT_RECIP, '<', "Recipient cert file"},
161 {"cert...", OPT_PARAM, '.',
162 "Recipient certs (optional; used only when encrypting)"},
163 {"", OPT_CIPHER, '-',
164 "The encryption algorithm to use (any supported cipher)"},
165 {"wrap", OPT_WRAP, 's',
166 "Key wrap algorithm to use when encrypting with key agreement"},
167 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
168 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
169 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
170 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
171 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
172 "Disable MMA protection, return error if no recipient found (see doc)"},
173
174 OPT_SECTION("Signing"),
175 {"md", OPT_MD, 's', "Digest algorithm to use"},
176 {"signer", OPT_SIGNER, 's', "Signer certificate input file"},
177 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
178 {"cades", OPT_CADES, '-',
179 "Include signingCertificate attribute (CAdES-BES)"},
180 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
181 {"nocerts", OPT_NOCERTS, '-',
182 "Don't include signer's certificate when signing"},
183 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
184 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
185 {"receipt_request_all", OPT_RR_ALL, '-',
186 "When signing, create a receipt request for all recipients"},
187 {"receipt_request_first", OPT_RR_FIRST, '-',
188 "When signing, create a receipt request for first recipient"},
189 {"receipt_request_from", OPT_RR_FROM, 's',
190 "Create signed receipt request with specified email address"},
191 {"receipt_request_to", OPT_RR_TO, 's',
192 "Create signed receipt targeted to specified address"},
193
194 OPT_SECTION("Verification"),
195 {"signer", OPT_DUP, 's', "Signer certificate(s) output file"},
196 {"content", OPT_CONTENT, '<',
197 "Supply or override content for detached signature"},
198 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
199 "Do not verify signed content signatures"},
200 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
201 "Do not verify signed attribute signatures"},
202 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
203 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
204 {"nointern", OPT_NOINTERN, '-',
205 "Don't search certificates in message for signer"},
206 {"cades", OPT_DUP, '-', "Check signingCertificate (CAdES-BES)"},
207 {"verify_retcode", OPT_VERIFY_RETCODE, '-',
208 "Exit non-zero on verification failure"},
209 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
210 {"CApath", OPT_CAPATH, '/', "Trusted certificates directory"},
211 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"},
212 {"no-CAfile", OPT_NOCAFILE, '-',
213 "Do not load the default certificates file"},
214 {"no-CApath", OPT_NOCAPATH, '-',
215 "Do not load certificates from the default certificates directory"},
216 {"no-CAstore", OPT_NOCASTORE, '-',
217 "Do not load certificates from the default certificates store"},
218
219 OPT_SECTION("Output"),
220 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
221 {"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
222 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
223 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
224 {"to", OPT_TO, 's', "To address"},
225 {"from", OPT_FROM, 's', "From address"},
226 {"subject", OPT_SUBJECT, 's', "Subject"},
227
228 OPT_SECTION("Printing"),
229 {"noout", OPT_NOOUT, '-',
230 "For the -cmsout operation do not output the parsed CMS structure"},
231 {"print", OPT_PRINT, '-',
232 "For the -cmsout operation print out all fields of the CMS structure"},
233 {"nameopt", OPT_NAMEOPT, 's',
234 "For the -print option specifies various strings printing options"},
235 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
236
237 OPT_V_OPTIONS,
238 {NULL}
239 };
240
load_content_info(int informat,BIO * in,int flags,BIO ** indata,const char * name)241 static CMS_ContentInfo *load_content_info(int informat, BIO *in, int flags,
242 BIO **indata, const char *name)
243 {
244 CMS_ContentInfo *ret, *ci;
245
246 ret = CMS_ContentInfo_new_ex(app_get0_libctx(), app_get0_propq());
247 if (ret == NULL) {
248 BIO_printf(bio_err, "Error allocating CMS_contentinfo\n");
249 return NULL;
250 }
251 switch (informat) {
252 case FORMAT_SMIME:
253 ci = SMIME_read_CMS_ex(in, flags, indata, &ret);
254 break;
255 case FORMAT_PEM:
256 ci = PEM_read_bio_CMS(in, &ret, NULL, NULL);
257 break;
258 case FORMAT_ASN1:
259 ci = d2i_CMS_bio(in, &ret);
260 break;
261 default:
262 BIO_printf(bio_err, "Bad input format for %s\n", name);
263 goto err;
264 }
265 if (ci == NULL) {
266 BIO_printf(bio_err, "Error reading %s Content Info\n", name);
267 goto err;
268 }
269 return ret;
270 err:
271 CMS_ContentInfo_free(ret);
272 return NULL;
273 }
274
cms_main(int argc,char ** argv)275 int cms_main(int argc, char **argv)
276 {
277 CONF *conf = NULL;
278 ASN1_OBJECT *econtent_type = NULL;
279 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
280 CMS_ContentInfo *cms = NULL, *rcms = NULL;
281 CMS_ReceiptRequest *rr = NULL;
282 ENGINE *e = NULL;
283 EVP_PKEY *key = NULL;
284 EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
285 EVP_MD *sign_md = NULL;
286 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
287 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
288 STACK_OF(X509) *encerts = sk_X509_new_null(), *other = NULL;
289 X509 *cert = NULL, *recip = NULL, *signer = NULL, *originator = NULL;
290 X509_STORE *store = NULL;
291 X509_VERIFY_PARAM *vpm = X509_VERIFY_PARAM_new();
292 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
293 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
294 char *certsoutfile = NULL, *digestname = NULL, *wrapname = NULL;
295 int noCAfile = 0, noCApath = 0, noCAstore = 0;
296 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
297 char *passinarg = NULL, *passin = NULL, *signerfile = NULL;
298 char *originatorfile = NULL, *recipfile = NULL, *ciphername = NULL;
299 char *to = NULL, *from = NULL, *subject = NULL, *prog;
300 cms_key_param *key_first = NULL, *key_param = NULL;
301 int flags = CMS_DETACHED, binary_files = 0;
302 int noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
303 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
304 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
305 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_UNDEF;
306 size_t secret_keylen = 0, secret_keyidlen = 0;
307 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
308 unsigned char *secret_key = NULL, *secret_keyid = NULL;
309 long ltmp;
310 const char *mime_eol = "\n";
311 OPTION_CHOICE o;
312 OSSL_LIB_CTX *libctx = app_get0_libctx();
313
314 if (encerts == NULL || vpm == NULL)
315 goto end;
316
317 prog = opt_init(argc, argv, cms_options);
318 while ((o = opt_next()) != OPT_EOF) {
319 switch (o) {
320 case OPT_EOF:
321 case OPT_ERR:
322 opthelp:
323 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
324 goto end;
325 case OPT_HELP:
326 opt_help(cms_options);
327 ret = 0;
328 goto end;
329 case OPT_INFORM:
330 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
331 goto opthelp;
332 break;
333 case OPT_OUTFORM:
334 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
335 goto opthelp;
336 break;
337 case OPT_OUT:
338 outfile = opt_arg();
339 break;
340
341 case OPT_ENCRYPT:
342 operation = SMIME_ENCRYPT;
343 break;
344 case OPT_DECRYPT:
345 operation = SMIME_DECRYPT;
346 break;
347 case OPT_SIGN:
348 operation = SMIME_SIGN;
349 break;
350 case OPT_VERIFY:
351 operation = SMIME_VERIFY;
352 break;
353 case OPT_RESIGN:
354 operation = SMIME_RESIGN;
355 break;
356 case OPT_SIGN_RECEIPT:
357 operation = SMIME_SIGN_RECEIPT;
358 break;
359 case OPT_VERIFY_RECEIPT:
360 operation = SMIME_VERIFY_RECEIPT;
361 rctfile = opt_arg();
362 break;
363 case OPT_VERIFY_RETCODE:
364 verify_retcode = 1;
365 break;
366 case OPT_DIGEST_CREATE:
367 operation = SMIME_DIGEST_CREATE;
368 break;
369 case OPT_DIGEST_VERIFY:
370 operation = SMIME_DIGEST_VERIFY;
371 break;
372 case OPT_COMPRESS:
373 operation = SMIME_COMPRESS;
374 break;
375 case OPT_UNCOMPRESS:
376 operation = SMIME_UNCOMPRESS;
377 break;
378 case OPT_ED_ENCRYPT:
379 operation = SMIME_ENCRYPTED_ENCRYPT;
380 break;
381 case OPT_ED_DECRYPT:
382 operation = SMIME_ENCRYPTED_DECRYPT;
383 break;
384 case OPT_DATA_CREATE:
385 operation = SMIME_DATA_CREATE;
386 break;
387 case OPT_DATA_OUT:
388 operation = SMIME_DATA_OUT;
389 break;
390 case OPT_CMSOUT:
391 operation = SMIME_CMSOUT;
392 break;
393
394 case OPT_DEBUG_DECRYPT:
395 flags |= CMS_DEBUG_DECRYPT;
396 break;
397 case OPT_TEXT:
398 flags |= CMS_TEXT;
399 break;
400 case OPT_ASCIICRLF:
401 flags |= CMS_ASCIICRLF;
402 break;
403 case OPT_NOINTERN:
404 flags |= CMS_NOINTERN;
405 break;
406 case OPT_NOVERIFY:
407 flags |= CMS_NO_SIGNER_CERT_VERIFY;
408 break;
409 case OPT_NOCERTS:
410 flags |= CMS_NOCERTS;
411 break;
412 case OPT_NOATTR:
413 flags |= CMS_NOATTR;
414 break;
415 case OPT_NODETACH:
416 flags &= ~CMS_DETACHED;
417 break;
418 case OPT_NOSMIMECAP:
419 flags |= CMS_NOSMIMECAP;
420 break;
421 case OPT_BINARY:
422 flags |= CMS_BINARY;
423 break;
424 case OPT_CADES:
425 flags |= CMS_CADES;
426 break;
427 case OPT_KEYID:
428 flags |= CMS_USE_KEYID;
429 break;
430 case OPT_NOSIGS:
431 flags |= CMS_NOSIGS;
432 break;
433 case OPT_NO_CONTENT_VERIFY:
434 flags |= CMS_NO_CONTENT_VERIFY;
435 break;
436 case OPT_NO_ATTR_VERIFY:
437 flags |= CMS_NO_ATTR_VERIFY;
438 break;
439 case OPT_INDEF:
440 flags |= CMS_STREAM;
441 break;
442 case OPT_NOINDEF:
443 flags &= ~CMS_STREAM;
444 break;
445 case OPT_CRLFEOL:
446 mime_eol = "\r\n";
447 flags |= CMS_CRLFEOL;
448 break;
449 case OPT_NOOUT:
450 noout = 1;
451 break;
452 case OPT_RR_PRINT:
453 rr_print = 1;
454 break;
455 case OPT_RR_ALL:
456 rr_allorfirst = 0;
457 break;
458 case OPT_RR_FIRST:
459 rr_allorfirst = 1;
460 break;
461 case OPT_RCTFORM:
462 if (!opt_format(opt_arg(),
463 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
464 goto opthelp;
465 break;
466 case OPT_CERTFILE:
467 certfile = opt_arg();
468 break;
469 case OPT_CAFILE:
470 CAfile = opt_arg();
471 break;
472 case OPT_CAPATH:
473 CApath = opt_arg();
474 break;
475 case OPT_CASTORE:
476 CAstore = opt_arg();
477 break;
478 case OPT_NOCAFILE:
479 noCAfile = 1;
480 break;
481 case OPT_NOCAPATH:
482 noCApath = 1;
483 break;
484 case OPT_NOCASTORE:
485 noCAstore = 1;
486 break;
487 case OPT_IN:
488 infile = opt_arg();
489 break;
490 case OPT_CONTENT:
491 contfile = opt_arg();
492 break;
493 case OPT_RR_FROM:
494 if (rr_from == NULL
495 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
496 goto end;
497 if (sk_OPENSSL_STRING_push(rr_from, opt_arg()) <= 0)
498 goto end;
499 break;
500 case OPT_RR_TO:
501 if (rr_to == NULL
502 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
503 goto end;
504 if (sk_OPENSSL_STRING_push(rr_to, opt_arg()) <= 0)
505 goto end;
506 break;
507 case OPT_PRINT:
508 noout = print = 1;
509 break;
510 case OPT_NAMEOPT:
511 if (!set_nameopt(opt_arg()))
512 goto opthelp;
513 break;
514 case OPT_SECRETKEY:
515 if (secret_key != NULL) {
516 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
517 opt_arg());
518 goto opthelp;
519 }
520 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp);
521 if (secret_key == NULL) {
522 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
523 goto end;
524 }
525 secret_keylen = (size_t)ltmp;
526 break;
527 case OPT_SECRETKEYID:
528 if (secret_keyid != NULL) {
529 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
530 opt_arg());
531 goto opthelp;
532 }
533 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
534 if (secret_keyid == NULL) {
535 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
536 goto opthelp;
537 }
538 secret_keyidlen = (size_t)ltmp;
539 break;
540 case OPT_PWRI_PASSWORD:
541 pwri_pass = (unsigned char *)opt_arg();
542 break;
543 case OPT_ECONTENT_TYPE:
544 if (econtent_type != NULL) {
545 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
546 opt_arg());
547 goto opthelp;
548 }
549 econtent_type = OBJ_txt2obj(opt_arg(), 0);
550 if (econtent_type == NULL) {
551 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
552 goto opthelp;
553 }
554 break;
555 case OPT_ENGINE:
556 e = setup_engine(opt_arg(), 0);
557 break;
558 case OPT_PASSIN:
559 passinarg = opt_arg();
560 break;
561 case OPT_TO:
562 to = opt_arg();
563 break;
564 case OPT_FROM:
565 from = opt_arg();
566 break;
567 case OPT_SUBJECT:
568 subject = opt_arg();
569 break;
570 case OPT_CERTSOUT:
571 certsoutfile = opt_arg();
572 break;
573 case OPT_MD:
574 digestname = opt_arg();
575 break;
576 case OPT_SIGNER:
577 /* If previous -signer argument add signer to list */
578 if (signerfile != NULL) {
579 if (sksigners == NULL
580 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
581 goto end;
582 if (sk_OPENSSL_STRING_push(sksigners, signerfile) <= 0)
583 goto end;
584 if (keyfile == NULL)
585 keyfile = signerfile;
586 if (skkeys == NULL
587 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
588 goto end;
589 if (sk_OPENSSL_STRING_push(skkeys, keyfile) <= 0)
590 goto end;
591 keyfile = NULL;
592 }
593 signerfile = opt_arg();
594 break;
595 case OPT_ORIGINATOR:
596 originatorfile = opt_arg();
597 break;
598 case OPT_INKEY:
599 /* If previous -inkey argument add signer to list */
600 if (keyfile != NULL) {
601 if (signerfile == NULL) {
602 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
603 goto end;
604 }
605 if (sksigners == NULL
606 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
607 goto end;
608 if (sk_OPENSSL_STRING_push(sksigners, signerfile) <= 0)
609 goto end;
610 signerfile = NULL;
611 if (skkeys == NULL
612 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
613 goto end;
614 if (sk_OPENSSL_STRING_push(skkeys, keyfile) <= 0)
615 goto end;
616 }
617 keyfile = opt_arg();
618 break;
619 case OPT_KEYFORM:
620 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
621 goto opthelp;
622 break;
623 case OPT_RECIP:
624 if (operation == SMIME_ENCRYPT) {
625 cert = load_cert(opt_arg(), FORMAT_UNDEF,
626 "recipient certificate file");
627 if (cert == NULL)
628 goto end;
629 if (!sk_X509_push(encerts, cert))
630 goto end;
631 cert = NULL;
632 } else {
633 recipfile = opt_arg();
634 }
635 break;
636 case OPT_CIPHER:
637 ciphername = opt_unknown();
638 break;
639 case OPT_KEYOPT:
640 keyidx = -1;
641 if (operation == SMIME_ENCRYPT) {
642 if (sk_X509_num(encerts) > 0)
643 keyidx += sk_X509_num(encerts);
644 } else {
645 if (keyfile != NULL || signerfile != NULL)
646 keyidx++;
647 if (skkeys != NULL)
648 keyidx += sk_OPENSSL_STRING_num(skkeys);
649 }
650 if (keyidx < 0) {
651 BIO_printf(bio_err, "No key specified\n");
652 goto opthelp;
653 }
654 if (key_param == NULL || key_param->idx != keyidx) {
655 cms_key_param *nparam;
656 nparam = app_malloc(sizeof(*nparam), "key param buffer");
657 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) {
658 OPENSSL_free(nparam);
659 goto end;
660 }
661 nparam->idx = keyidx;
662 nparam->next = NULL;
663 if (key_first == NULL)
664 key_first = nparam;
665 else
666 key_param->next = nparam;
667 key_param = nparam;
668 }
669 if (sk_OPENSSL_STRING_push(key_param->param, opt_arg()) <= 0)
670 goto end;
671 break;
672 case OPT_V_CASES:
673 if (!opt_verify(o, vpm))
674 goto end;
675 vpmtouched++;
676 break;
677 case OPT_R_CASES:
678 if (!opt_rand(o))
679 goto end;
680 break;
681 case OPT_PROV_CASES:
682 if (!opt_provider(o))
683 goto end;
684 break;
685 case OPT_CONFIG:
686 conf = app_load_config_modules(opt_arg());
687 if (conf == NULL)
688 goto end;
689 break;
690 case OPT_WRAP:
691 wrapname = opt_arg();
692 break;
693 case OPT_AES128_WRAP:
694 case OPT_AES192_WRAP:
695 case OPT_AES256_WRAP:
696 case OPT_3DES_WRAP:
697 wrapname = opt_flag() + 1;
698 break;
699 }
700 }
701 if (!app_RAND_load())
702 goto end;
703
704 if (digestname != NULL) {
705 if (!opt_md(digestname, &sign_md))
706 goto end;
707 }
708 if (ciphername != NULL) {
709 if (!opt_cipher_any(ciphername, &cipher))
710 goto end;
711 }
712 if (wrapname != NULL) {
713 if (!opt_cipher_any(wrapname, &wrap_cipher))
714 goto end;
715 }
716
717 /* Remaining args are files to process. */
718 argc = opt_num_rest();
719 argv = opt_rest();
720
721 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
722 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
723 goto opthelp;
724 }
725
726 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
727 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
728 goto opthelp;
729 }
730 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
731 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
732 goto opthelp;
733 }
734
735 if ((flags & CMS_CADES) != 0) {
736 if ((flags & CMS_NOATTR) != 0) {
737 BIO_puts(bio_err, "Incompatible options: "
738 "CAdES requires signed attributes\n");
739 goto opthelp;
740 }
741 if (operation == SMIME_VERIFY
742 && (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) {
743 BIO_puts(bio_err, "Incompatible options: CAdES validation requires"
744 " certs and signed attributes validations\n");
745 goto opthelp;
746 }
747 }
748
749 if (operation & SMIME_SIGNERS) {
750 if (keyfile != NULL && signerfile == NULL) {
751 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
752 goto opthelp;
753 }
754 /* Check to see if any final signer needs to be appended */
755 if (signerfile != NULL) {
756 if (sksigners == NULL
757 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
758 goto end;
759 if (sk_OPENSSL_STRING_push(sksigners, signerfile) <= 0)
760 goto end;
761 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
762 goto end;
763 if (keyfile == NULL)
764 keyfile = signerfile;
765 if (sk_OPENSSL_STRING_push(skkeys, keyfile) <= 0)
766 goto end;
767 }
768 if (sksigners == NULL) {
769 BIO_printf(bio_err, "No signer certificate specified\n");
770 goto opthelp;
771 }
772 signerfile = NULL;
773 keyfile = NULL;
774 } else if (operation == SMIME_DECRYPT) {
775 if (recipfile == NULL && keyfile == NULL
776 && secret_key == NULL && pwri_pass == NULL) {
777 BIO_printf(bio_err,
778 "No recipient certificate or key specified\n");
779 goto opthelp;
780 }
781 } else if (operation == SMIME_ENCRYPT) {
782 if (*argv == NULL && secret_key == NULL
783 && pwri_pass == NULL && sk_X509_num(encerts) <= 0) {
784 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
785 goto opthelp;
786 }
787 } else if (!operation) {
788 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n");
789 goto opthelp;
790 }
791
792 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
793 BIO_printf(bio_err, "Error getting password\n");
794 goto end;
795 }
796
797 ret = 2;
798
799 if ((operation & SMIME_SIGNERS) == 0) {
800 if ((flags & CMS_DETACHED) == 0)
801 BIO_printf(bio_err,
802 "Warning: -nodetach option is ignored for non-signing operation\n");
803
804 flags &= ~CMS_DETACHED;
805 }
806 if ((operation & SMIME_IP) == 0 && contfile != NULL)
807 BIO_printf(bio_err,
808 "Warning: -contfile option is ignored for the given operation\n");
809 if (operation != SMIME_ENCRYPT && *argv != NULL)
810 BIO_printf(bio_err,
811 "Warning: recipient certificate file parameters ignored for operation other than -encrypt\n");
812
813 if ((flags & CMS_BINARY) != 0) {
814 if (!(operation & SMIME_OP))
815 outformat = FORMAT_BINARY;
816 if (!(operation & SMIME_IP))
817 informat = FORMAT_BINARY;
818 if ((operation & SMIME_SIGNERS) != 0 && (flags & CMS_DETACHED) != 0)
819 binary_files = 1;
820 if ((operation & SMIME_IP) != 0 && contfile == NULL)
821 binary_files = 1;
822 }
823
824 if (operation == SMIME_ENCRYPT) {
825 if (!cipher) {
826 #ifndef OPENSSL_NO_DES
827 cipher = (EVP_CIPHER *)EVP_des_ede3_cbc();
828 #else
829 BIO_printf(bio_err, "No cipher selected\n");
830 goto end;
831 #endif
832 }
833
834 if (secret_key && !secret_keyid) {
835 BIO_printf(bio_err, "No secret key id\n");
836 goto end;
837 }
838
839 for (; *argv != NULL; argv++) {
840 cert = load_cert(*argv, FORMAT_UNDEF,
841 "recipient certificate file");
842 if (cert == NULL)
843 goto end;
844 if (!sk_X509_push(encerts, cert))
845 goto end;
846 cert = NULL;
847 }
848 }
849
850 if (certfile != NULL) {
851 if (!load_certs(certfile, 0, &other, NULL, "certificate file")) {
852 ERR_print_errors(bio_err);
853 goto end;
854 }
855 }
856
857 if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
858 if ((recip = load_cert(recipfile, FORMAT_UNDEF,
859 "recipient certificate file")) == NULL) {
860 ERR_print_errors(bio_err);
861 goto end;
862 }
863 }
864
865 if (originatorfile != NULL) {
866 if ((originator = load_cert(originatorfile, FORMAT_UNDEF,
867 "originator certificate file")) == NULL) {
868 ERR_print_errors(bio_err);
869 goto end;
870 }
871 }
872
873 if (operation == SMIME_SIGN_RECEIPT) {
874 if ((signer = load_cert(signerfile, FORMAT_UNDEF,
875 "receipt signer certificate file")) == NULL) {
876 ERR_print_errors(bio_err);
877 goto end;
878 }
879 }
880
881 if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) {
882 if (keyfile == NULL)
883 keyfile = recipfile;
884 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
885 if (keyfile == NULL)
886 keyfile = signerfile;
887 } else {
888 keyfile = NULL;
889 }
890
891 if (keyfile != NULL) {
892 key = load_key(keyfile, keyform, 0, passin, e, "signing key");
893 if (key == NULL)
894 goto end;
895 }
896
897 in = bio_open_default(infile, 'r',
898 binary_files ? FORMAT_BINARY : informat);
899 if (in == NULL)
900 goto end;
901
902 if (operation & SMIME_IP) {
903 cms = load_content_info(informat, in, flags, &indata, "SMIME");
904 if (cms == NULL)
905 goto end;
906 if (contfile != NULL) {
907 BIO_free(indata);
908 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
909 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
910 goto end;
911 }
912 }
913 if (certsoutfile != NULL) {
914 STACK_OF(X509) *allcerts;
915 allcerts = CMS_get1_certs(cms);
916 if (!save_certs(certsoutfile, allcerts)) {
917 BIO_printf(bio_err,
918 "Error writing certs to %s\n", certsoutfile);
919 ret = 5;
920 goto end;
921 }
922 sk_X509_pop_free(allcerts, X509_free);
923 }
924 }
925
926 if (rctfile != NULL) {
927 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
928
929 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
930 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
931 goto end;
932 }
933
934 rcms = load_content_info(rctformat, rctin, 0, NULL, "receipt");
935 if (rcms == NULL)
936 goto end;
937 }
938
939 out = bio_open_default(outfile, 'w',
940 binary_files ? FORMAT_BINARY : outformat);
941 if (out == NULL)
942 goto end;
943
944 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
945 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
946 CAstore, noCAstore)) == NULL)
947 goto end;
948 X509_STORE_set_verify_cb(store, cms_cb);
949 if (vpmtouched)
950 X509_STORE_set1_param(store, vpm);
951 }
952
953 ret = 3;
954
955 if (operation == SMIME_DATA_CREATE) {
956 cms = CMS_data_create_ex(in, flags, libctx, app_get0_propq());
957 } else if (operation == SMIME_DIGEST_CREATE) {
958 cms = CMS_digest_create_ex(in, sign_md, flags, libctx, app_get0_propq());
959 } else if (operation == SMIME_COMPRESS) {
960 cms = CMS_compress(in, -1, flags);
961 } else if (operation == SMIME_ENCRYPT) {
962 int i;
963 flags |= CMS_PARTIAL;
964 cms = CMS_encrypt_ex(NULL, in, cipher, flags, libctx, app_get0_propq());
965 if (cms == NULL)
966 goto end;
967 for (i = 0; i < sk_X509_num(encerts); i++) {
968 CMS_RecipientInfo *ri;
969 cms_key_param *kparam;
970 int tflags = flags | CMS_KEY_PARAM;
971 /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */
972 EVP_PKEY_CTX *pctx;
973 X509 *x = sk_X509_value(encerts, i);
974 int res;
975
976 for (kparam = key_first; kparam; kparam = kparam->next) {
977 if (kparam->idx == i) {
978 break;
979 }
980 }
981 ri = CMS_add1_recipient(cms, x, key, originator, tflags);
982 if (ri == NULL)
983 goto end;
984
985 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
986 if (kparam != NULL) {
987 if (!cms_set_pkey_param(pctx, kparam->param))
988 goto end;
989 }
990
991 res = EVP_PKEY_CTX_ctrl(pctx, -1, -1,
992 EVP_PKEY_CTRL_CIPHER,
993 EVP_CIPHER_get_nid(cipher), NULL);
994 if (res <= 0 && res != -2)
995 goto end;
996
997 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
998 && wrap_cipher != NULL) {
999 EVP_CIPHER_CTX *wctx;
1000 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
1001 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
1002 }
1003 }
1004
1005 if (secret_key != NULL) {
1006 if (!CMS_add0_recipient_key(cms, NID_undef,
1007 secret_key, secret_keylen,
1008 secret_keyid, secret_keyidlen,
1009 NULL, NULL, NULL))
1010 goto end;
1011 /* NULL these because call absorbs them */
1012 secret_key = NULL;
1013 secret_keyid = NULL;
1014 }
1015 if (pwri_pass != NULL) {
1016 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
1017 if (pwri_tmp == NULL)
1018 goto end;
1019 if (CMS_add0_recipient_password(cms,
1020 -1, NID_undef, NID_undef,
1021 pwri_tmp, -1, NULL) == NULL)
1022 goto end;
1023 pwri_tmp = NULL;
1024 }
1025 if (!(flags & CMS_STREAM)) {
1026 if (!CMS_final(cms, in, NULL, flags)) {
1027 if (originator != NULL
1028 && ERR_GET_REASON(ERR_peek_error())
1029 == CMS_R_ERROR_UNSUPPORTED_STATIC_KEY_AGREEMENT) {
1030 BIO_printf(bio_err, "Cannot use originator for encryption\n");
1031 goto end;
1032 }
1033 goto end;
1034 }
1035 }
1036 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
1037 cms = CMS_EncryptedData_encrypt_ex(in, cipher, secret_key,
1038 secret_keylen, flags, libctx, app_get0_propq());
1039
1040 } else if (operation == SMIME_SIGN_RECEIPT) {
1041 CMS_ContentInfo *srcms = NULL;
1042 STACK_OF(CMS_SignerInfo) *sis;
1043 CMS_SignerInfo *si;
1044 sis = CMS_get0_SignerInfos(cms);
1045 if (sis == NULL)
1046 goto end;
1047 si = sk_CMS_SignerInfo_value(sis, 0);
1048 srcms = CMS_sign_receipt(si, signer, key, other, flags);
1049 if (srcms == NULL)
1050 goto end;
1051 CMS_ContentInfo_free(cms);
1052 cms = srcms;
1053 } else if (operation & SMIME_SIGNERS) {
1054 int i;
1055 /*
1056 * If detached data content we enable streaming if S/MIME output
1057 * format.
1058 */
1059 if (operation == SMIME_SIGN) {
1060
1061 if (flags & CMS_DETACHED) {
1062 if (outformat == FORMAT_SMIME)
1063 flags |= CMS_STREAM;
1064 }
1065 flags |= CMS_PARTIAL;
1066 cms = CMS_sign_ex(NULL, NULL, other, in, flags, libctx, app_get0_propq());
1067 if (cms == NULL)
1068 goto end;
1069 if (econtent_type != NULL)
1070 CMS_set1_eContentType(cms, econtent_type);
1071
1072 if (rr_to != NULL
1073 && ((rr = make_receipt_request(rr_to, rr_allorfirst, rr_from))
1074 == NULL)) {
1075 BIO_puts(bio_err, "Signed Receipt Request Creation Error\n");
1076 goto end;
1077 }
1078 } else {
1079 flags |= CMS_REUSE_DIGEST;
1080 }
1081 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
1082 CMS_SignerInfo *si;
1083 cms_key_param *kparam;
1084 int tflags = flags;
1085 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
1086 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
1087
1088 signer = load_cert(signerfile, FORMAT_UNDEF, "signer certificate");
1089 if (signer == NULL) {
1090 ret = 2;
1091 goto end;
1092 }
1093 key = load_key(keyfile, keyform, 0, passin, e, "signing key");
1094 if (key == NULL) {
1095 ret = 2;
1096 goto end;
1097 }
1098
1099 for (kparam = key_first; kparam; kparam = kparam->next) {
1100 if (kparam->idx == i) {
1101 tflags |= CMS_KEY_PARAM;
1102 break;
1103 }
1104 }
1105 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
1106 if (si == NULL)
1107 goto end;
1108 if (kparam != NULL) {
1109 EVP_PKEY_CTX *pctx;
1110 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1111 if (!cms_set_pkey_param(pctx, kparam->param))
1112 goto end;
1113 }
1114 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
1115 goto end;
1116 X509_free(signer);
1117 signer = NULL;
1118 EVP_PKEY_free(key);
1119 key = NULL;
1120 }
1121 /* If not streaming or resigning finalize structure */
1122 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1123 if (!CMS_final(cms, in, NULL, flags))
1124 goto end;
1125 }
1126 }
1127
1128 if (cms == NULL) {
1129 BIO_printf(bio_err, "Error creating CMS structure\n");
1130 goto end;
1131 }
1132
1133 ret = 4;
1134 if (operation == SMIME_DECRYPT) {
1135 if (flags & CMS_DEBUG_DECRYPT)
1136 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1137
1138 if (secret_key != NULL) {
1139 if (!CMS_decrypt_set1_key(cms,
1140 secret_key, secret_keylen,
1141 secret_keyid, secret_keyidlen)) {
1142 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1143 goto end;
1144 }
1145 }
1146
1147 if (key != NULL) {
1148 if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) {
1149 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1150 goto end;
1151 }
1152 }
1153
1154 if (pwri_pass != NULL) {
1155 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1156 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1157 goto end;
1158 }
1159 }
1160
1161 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1162 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1163 goto end;
1164 }
1165 } else if (operation == SMIME_DATA_OUT) {
1166 if (!CMS_data(cms, out, flags))
1167 goto end;
1168 } else if (operation == SMIME_UNCOMPRESS) {
1169 if (!CMS_uncompress(cms, indata, out, flags))
1170 goto end;
1171 } else if (operation == SMIME_DIGEST_VERIFY) {
1172 if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1173 BIO_printf(bio_err, "Verification successful\n");
1174 } else {
1175 BIO_printf(bio_err, "Verification failure\n");
1176 goto end;
1177 }
1178 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1179 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1180 indata, out, flags))
1181 goto end;
1182 } else if (operation == SMIME_VERIFY) {
1183 if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1184 BIO_printf(bio_err, "%s Verification successful\n",
1185 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS");
1186 } else {
1187 BIO_printf(bio_err, "%s Verification failure\n",
1188 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS");
1189 if (verify_retcode)
1190 ret = verify_err + 32;
1191 goto end;
1192 }
1193 if (signerfile != NULL) {
1194 STACK_OF(X509) *signers = CMS_get0_signers(cms);
1195
1196 if (!save_certs(signerfile, signers)) {
1197 BIO_printf(bio_err,
1198 "Error writing signers to %s\n", signerfile);
1199 ret = 5;
1200 goto end;
1201 }
1202 sk_X509_free(signers);
1203 }
1204 if (rr_print)
1205 receipt_request_print(cms);
1206
1207 } else if (operation == SMIME_VERIFY_RECEIPT) {
1208 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1209 BIO_printf(bio_err, "Verification successful\n");
1210 } else {
1211 BIO_printf(bio_err, "Verification failure\n");
1212 goto end;
1213 }
1214 } else {
1215 if (noout) {
1216 if (print) {
1217 ASN1_PCTX *pctx = NULL;
1218 if (get_nameopt() != XN_FLAG_ONELINE) {
1219 pctx = ASN1_PCTX_new();
1220 if (pctx != NULL) { /* Print anyway if malloc failed */
1221 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT);
1222 ASN1_PCTX_set_str_flags(pctx, get_nameopt());
1223 ASN1_PCTX_set_nm_flags(pctx, get_nameopt());
1224 }
1225 }
1226 CMS_ContentInfo_print_ctx(out, cms, 0, pctx);
1227 ASN1_PCTX_free(pctx);
1228 }
1229 } else if (outformat == FORMAT_SMIME) {
1230 if (to)
1231 BIO_printf(out, "To: %s%s", to, mime_eol);
1232 if (from)
1233 BIO_printf(out, "From: %s%s", from, mime_eol);
1234 if (subject)
1235 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1236 if (operation == SMIME_RESIGN)
1237 ret = SMIME_write_CMS(out, cms, indata, flags);
1238 else
1239 ret = SMIME_write_CMS(out, cms, in, flags);
1240 } else if (outformat == FORMAT_PEM) {
1241 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1242 } else if (outformat == FORMAT_ASN1) {
1243 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1244 } else {
1245 BIO_printf(bio_err, "Bad output format for CMS file\n");
1246 goto end;
1247 }
1248 if (ret <= 0) {
1249 ret = 6;
1250 goto end;
1251 }
1252 }
1253 ret = 0;
1254 end:
1255 if (ret)
1256 ERR_print_errors(bio_err);
1257 sk_X509_pop_free(encerts, X509_free);
1258 sk_X509_pop_free(other, X509_free);
1259 X509_VERIFY_PARAM_free(vpm);
1260 sk_OPENSSL_STRING_free(sksigners);
1261 sk_OPENSSL_STRING_free(skkeys);
1262 OPENSSL_free(secret_key);
1263 OPENSSL_free(secret_keyid);
1264 OPENSSL_free(pwri_tmp);
1265 ASN1_OBJECT_free(econtent_type);
1266 CMS_ReceiptRequest_free(rr);
1267 sk_OPENSSL_STRING_free(rr_to);
1268 sk_OPENSSL_STRING_free(rr_from);
1269 for (key_param = key_first; key_param;) {
1270 cms_key_param *tparam;
1271 sk_OPENSSL_STRING_free(key_param->param);
1272 tparam = key_param->next;
1273 OPENSSL_free(key_param);
1274 key_param = tparam;
1275 }
1276 X509_STORE_free(store);
1277 X509_free(cert);
1278 X509_free(recip);
1279 X509_free(signer);
1280 X509_free(originator);
1281 EVP_PKEY_free(key);
1282 EVP_CIPHER_free(cipher);
1283 EVP_CIPHER_free(wrap_cipher);
1284 EVP_MD_free(sign_md);
1285 CMS_ContentInfo_free(cms);
1286 CMS_ContentInfo_free(rcms);
1287 release_engine(e);
1288 BIO_free(rctin);
1289 BIO_free(in);
1290 BIO_free(indata);
1291 BIO_free_all(out);
1292 OPENSSL_free(passin);
1293 NCONF_free(conf);
1294 return ret;
1295 }
1296
save_certs(char * signerfile,STACK_OF (X509)* signers)1297 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1298 {
1299 int i;
1300 BIO *tmp;
1301 if (signerfile == NULL)
1302 return 1;
1303 tmp = BIO_new_file(signerfile, "w");
1304 if (tmp == NULL)
1305 return 0;
1306 for (i = 0; i < sk_X509_num(signers); i++)
1307 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1308 BIO_free(tmp);
1309 return 1;
1310 }
1311
1312 /* Minimal callback just to output policy info (if any) */
1313
cms_cb(int ok,X509_STORE_CTX * ctx)1314 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1315 {
1316 int error;
1317
1318 error = X509_STORE_CTX_get_error(ctx);
1319
1320 verify_err = error;
1321
1322 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1323 && ((error != X509_V_OK) || (ok != 2)))
1324 return ok;
1325
1326 policies_print(ctx);
1327
1328 return ok;
1329
1330 }
1331
gnames_stack_print(STACK_OF (GENERAL_NAMES)* gns)1332 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1333 {
1334 STACK_OF(GENERAL_NAME) *gens;
1335 GENERAL_NAME *gen;
1336 int i, j;
1337
1338 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1339 gens = sk_GENERAL_NAMES_value(gns, i);
1340 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1341 gen = sk_GENERAL_NAME_value(gens, j);
1342 BIO_puts(bio_err, " ");
1343 GENERAL_NAME_print(bio_err, gen);
1344 BIO_puts(bio_err, "\n");
1345 }
1346 }
1347 return;
1348 }
1349
receipt_request_print(CMS_ContentInfo * cms)1350 static void receipt_request_print(CMS_ContentInfo *cms)
1351 {
1352 STACK_OF(CMS_SignerInfo) *sis;
1353 CMS_SignerInfo *si;
1354 CMS_ReceiptRequest *rr;
1355 int allorfirst;
1356 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1357 ASN1_STRING *scid;
1358 int i, rv;
1359 sis = CMS_get0_SignerInfos(cms);
1360 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1361 si = sk_CMS_SignerInfo_value(sis, i);
1362 rv = CMS_get1_ReceiptRequest(si, &rr);
1363 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1364 if (rv == 0) {
1365 BIO_puts(bio_err, " No Receipt Request\n");
1366 } else if (rv < 0) {
1367 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1368 ERR_print_errors(bio_err);
1369 } else {
1370 const char *id;
1371 int idlen;
1372 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1373 &rlist, &rto);
1374 BIO_puts(bio_err, " Signed Content ID:\n");
1375 idlen = ASN1_STRING_length(scid);
1376 id = (const char *)ASN1_STRING_get0_data(scid);
1377 BIO_dump_indent(bio_err, id, idlen, 4);
1378 BIO_puts(bio_err, " Receipts From");
1379 if (rlist != NULL) {
1380 BIO_puts(bio_err, " List:\n");
1381 gnames_stack_print(rlist);
1382 } else if (allorfirst == 1) {
1383 BIO_puts(bio_err, ": First Tier\n");
1384 } else if (allorfirst == 0) {
1385 BIO_puts(bio_err, ": All\n");
1386 } else {
1387 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1388 }
1389 BIO_puts(bio_err, " Receipts To:\n");
1390 gnames_stack_print(rto);
1391 }
1392 CMS_ReceiptRequest_free(rr);
1393 }
1394 }
1395
STACK_OF(GENERAL_NAMES)1396 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1397 {
1398 int i;
1399 STACK_OF(GENERAL_NAMES) *ret;
1400 GENERAL_NAMES *gens = NULL;
1401 GENERAL_NAME *gen = NULL;
1402 ret = sk_GENERAL_NAMES_new_null();
1403 if (ret == NULL)
1404 goto err;
1405 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1406 char *str = sk_OPENSSL_STRING_value(ns, i);
1407 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1408 if (gen == NULL)
1409 goto err;
1410 gens = GENERAL_NAMES_new();
1411 if (gens == NULL)
1412 goto err;
1413 if (!sk_GENERAL_NAME_push(gens, gen))
1414 goto err;
1415 gen = NULL;
1416 if (!sk_GENERAL_NAMES_push(ret, gens))
1417 goto err;
1418 gens = NULL;
1419 }
1420
1421 return ret;
1422
1423 err:
1424 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1425 GENERAL_NAMES_free(gens);
1426 GENERAL_NAME_free(gen);
1427 return NULL;
1428 }
1429
1430 static CMS_ReceiptRequest
make_receipt_request(STACK_OF (OPENSSL_STRING)* rr_to,int rr_allorfirst,STACK_OF (OPENSSL_STRING)* rr_from)1431 *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
1432 STACK_OF(OPENSSL_STRING) *rr_from)
1433 {
1434 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1435 CMS_ReceiptRequest *rr;
1436
1437 rct_to = make_names_stack(rr_to);
1438 if (rct_to == NULL)
1439 goto err;
1440 if (rr_from != NULL) {
1441 rct_from = make_names_stack(rr_from);
1442 if (rct_from == NULL)
1443 goto err;
1444 } else {
1445 rct_from = NULL;
1446 }
1447 rr = CMS_ReceiptRequest_create0_ex(NULL, -1, rr_allorfirst, rct_from,
1448 rct_to, app_get0_libctx());
1449 if (rr == NULL)
1450 goto err;
1451 return rr;
1452 err:
1453 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1454 sk_GENERAL_NAMES_pop_free(rct_from, GENERAL_NAMES_free);
1455 return NULL;
1456 }
1457
cms_set_pkey_param(EVP_PKEY_CTX * pctx,STACK_OF (OPENSSL_STRING)* param)1458 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1459 STACK_OF(OPENSSL_STRING) *param)
1460 {
1461 char *keyopt;
1462 int i;
1463 if (sk_OPENSSL_STRING_num(param) <= 0)
1464 return 1;
1465 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1466 keyopt = sk_OPENSSL_STRING_value(param, i);
1467 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1468 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1469 ERR_print_errors(bio_err);
1470 return 0;
1471 }
1472 }
1473 return 1;
1474 }
1475