2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
54 /* CMS utility function */
60 #ifndef OPENSSL_NO_CMS
62 # include <openssl/crypto.h>
63 # include <openssl/pem.h>
64 # include <openssl/err.h>
65 # include <openssl/x509_vfy.h>
66 # include <openssl/x509v3.h>
67 # include <openssl/cms.h>
69 static int save_certs(char *signerfile
, STACK_OF(X509
) *signers
);
70 static int cms_cb(int ok
, X509_STORE_CTX
*ctx
);
71 static void receipt_request_print(CMS_ContentInfo
*cms
);
72 static CMS_ReceiptRequest
*make_receipt_request(STACK_OF(OPENSSL_STRING
)
73 *rr_to
, int rr_allorfirst
, STACK_OF(OPENSSL_STRING
)
75 static int cms_set_pkey_param(EVP_PKEY_CTX
*pctx
,
76 STACK_OF(OPENSSL_STRING
) *param
);
78 # define SMIME_OP 0x10
79 # define SMIME_IP 0x20
80 # define SMIME_SIGNERS 0x40
81 # define SMIME_ENCRYPT (1 | SMIME_OP)
82 # define SMIME_DECRYPT (2 | SMIME_IP)
83 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
84 # define SMIME_VERIFY (4 | SMIME_IP)
85 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
86 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
87 # define SMIME_DATAOUT (7 | SMIME_IP)
88 # define SMIME_DATA_CREATE (8 | SMIME_OP)
89 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
90 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
91 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
92 # define SMIME_COMPRESS (12 | SMIME_OP)
93 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
94 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
95 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
96 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
100 typedef struct cms_key_param_st cms_key_param
;
102 struct cms_key_param_st
{
104 STACK_OF(OPENSSL_STRING
) *param
;
108 typedef enum OPTION_choice
{
109 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
110 OPT_INFORM
, OPT_OUTFORM
, OPT_IN
, OPT_OUT
, OPT_ENCRYPT
,
111 OPT_DECRYPT
, OPT_SIGN
, OPT_SIGN_RECEIPT
, OPT_RESIGN
,
112 OPT_VERIFY
, OPT_VERIFY_RETCODE
, OPT_VERIFY_RECEIPT
,
113 OPT_CMSOUT
, OPT_DATA_OUT
, OPT_DATA_CREATE
, OPT_DIGEST_VERIFY
,
114 OPT_DIGEST_CREATE
, OPT_COMPRESS
, OPT_UNCOMPRESS
,
115 OPT_ED_DECRYPT
, OPT_ED_ENCRYPT
, OPT_DEBUG_DECRYPT
, OPT_TEXT
,
116 OPT_ASCIICRLF
, OPT_NOINTERN
, OPT_NOVERIFY
, OPT_NOCERTS
,
117 OPT_NOATTR
, OPT_NODETACH
, OPT_NOSMIMECAP
, OPT_BINARY
, OPT_KEYID
,
118 OPT_NOSIGS
, OPT_NO_CONTENT_VERIFY
, OPT_NO_ATTR_VERIFY
, OPT_INDEF
,
119 OPT_NOINDEF
, OPT_NOOLDMIME
, OPT_CRLFEOL
, OPT_NOOUT
, OPT_RR_PRINT
,
120 OPT_RR_ALL
, OPT_RR_FIRST
, OPT_RCTFORM
, OPT_CERTFILE
, OPT_CAFILE
,
121 OPT_CAPATH
, OPT_CONTENT
, OPT_PRINT
, OPT_SECRETKEY
,
122 OPT_SECRETKEYID
, OPT_PWRI_PASSWORD
, OPT_ECONTENT_TYPE
, OPT_RAND
,
123 OPT_PASSIN
, OPT_TO
, OPT_FROM
, OPT_SUBJECT
, OPT_SIGNER
, OPT_RECIP
,
124 OPT_CERTSOUT
, OPT_MD
, OPT_INKEY
, OPT_KEYFORM
, OPT_KEYOPT
, OPT_RR_FROM
,
125 OPT_RR_TO
, OPT_AES128_WRAP
, OPT_AES192_WRAP
, OPT_AES256_WRAP
,
126 OPT_3DES_WRAP
, OPT_ENGINE
,
131 OPTIONS cms_options
[] = {
132 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] cert.pem...\n"},
133 {OPT_HELP_STR
, 1, '-',
134 " cert.pem... recipient certs for encryption\n"},
135 {OPT_HELP_STR
, 1, '-', "Valid options are:\n"},
136 {"help", OPT_HELP
, '-', "Display this summary"},
137 {"inform", OPT_INFORM
, 'F', "Input format SMIME (default), PEM or DER"},
138 {"outform", OPT_OUTFORM
, 'F',
139 "Output format SMIME (default), PEM or DER"},
140 {"in", OPT_IN
, '<', "Input file"},
141 {"out", OPT_OUT
, '>', "Output file"},
142 {"encrypt", OPT_ENCRYPT
, '-', "Encrypt message"},
143 {"decrypt", OPT_DECRYPT
, '-', "Decrypt encrypted message"},
144 {"sign", OPT_SIGN
, '-', "Sign message"},
145 {"sign_receipt", OPT_SIGN_RECEIPT
, '-'},
146 {"resign", OPT_RESIGN
, '-'},
147 {"verify", OPT_VERIFY
, '-', "Verify signed message"},
148 {"verify_retcode", OPT_VERIFY_RETCODE
, '-'},
149 {"verify_receipt", OPT_VERIFY_RECEIPT
, '<'},
150 {"cmsout", OPT_CMSOUT
, '-', "Output CMS structure"},
151 {"data_out", OPT_DATA_OUT
, '-'},
152 {"data_create", OPT_DATA_CREATE
, '-'},
153 {"digest_verify", OPT_DIGEST_VERIFY
, '-'},
154 {"digest_create", OPT_DIGEST_CREATE
, '-'},
155 {"compress", OPT_COMPRESS
, '-'},
156 {"uncompress", OPT_UNCOMPRESS
, '-'},
157 {"EncryptedData_decrypt", OPT_ED_DECRYPT
, '-'},
158 {"EncryptedData_encrypt", OPT_ED_ENCRYPT
, '-'},
159 {"debug_decrypt", OPT_DEBUG_DECRYPT
, '-'},
160 {"text", OPT_TEXT
, '-', "Include or delete text MIME headers"},
161 {"asciicrlf", OPT_ASCIICRLF
, '-'},
162 {"nointern", OPT_NOINTERN
, '-',
163 "Don't search certificates in message for signer"},
164 {"noverify", OPT_NOVERIFY
, '-', "Don't verify signers certificate"},
165 {"nocerts", OPT_NOCERTS
, '-',
166 "Don't include signers certificate when signing"},
167 {"noattr", OPT_NOATTR
, '-', "Don't include any signed attributes"},
168 {"nodetach", OPT_NODETACH
, '-', "Use opaque signing"},
169 {"nosmimecap", OPT_NOSMIMECAP
, '-'},
170 {"binary", OPT_BINARY
, '-', "Don't translate message to text"},
171 {"keyid", OPT_KEYID
, '-', "Use subject key identifier"},
172 {"nosigs", OPT_NOSIGS
, '-', "Don't verify message signature"},
173 {"no_content_verify", OPT_NO_CONTENT_VERIFY
, '-'},
174 {"no_attr_verify", OPT_NO_ATTR_VERIFY
, '-'},
175 {"stream", OPT_INDEF
, '-'},
176 {"indef", OPT_INDEF
, '-'},
177 {"noindef", OPT_NOINDEF
, '-'},
178 {"nooldmime", OPT_NOOLDMIME
, '-'},
179 {"crlfeol", OPT_CRLFEOL
, '-'},
180 {"noout", OPT_NOOUT
, '-'},
181 {"receipt_request_print", OPT_RR_PRINT
, '-'},
182 {"receipt_request_all", OPT_RR_ALL
, '-'},
183 {"receipt_request_first", OPT_RR_FIRST
, '-'},
184 {"rctform", OPT_RCTFORM
, 'F'},
185 {"certfile", OPT_CERTFILE
, '<', "Other certificates file"},
186 {"CAfile", OPT_CAFILE
, '<', "Trusted certificates file"},
187 {"CApath", OPT_CAPATH
, '/', "trusted certificates directory"},
188 {"content", OPT_CONTENT
, '<',
189 "Supply or override content for detached signature"},
190 {"print", OPT_PRINT
, '-'},
191 {"secretkey", OPT_SECRETKEY
, 's'},
192 {"secretkeyid", OPT_SECRETKEYID
, 's'},
193 {"pwri_password", OPT_PWRI_PASSWORD
, 's'},
194 {"econtent_type", OPT_ECONTENT_TYPE
, 's'},
195 {"rand", OPT_RAND
, 's',
196 "Load the file(s) into the random number generator"},
197 {"passin", OPT_PASSIN
, 's', "Input file pass phrase source"},
198 {"to", OPT_TO
, 's', "To address"},
199 {"from", OPT_FROM
, 's', "From address"},
200 {"subject", OPT_SUBJECT
, 's', "Subject"},
201 {"signer", OPT_SIGNER
, 's', "Signer certificate file"},
202 {"recip", OPT_RECIP
, '<', "Recipient cert file for decryption"},
203 {"certsout", OPT_CERTSOUT
, '>', "Certificate output file"},
205 {"inkey", OPT_INKEY
, '<',
206 "Input private key (if not signer or recipient)"},
207 {"keyform", OPT_KEYFORM
, 'f', "Input private key format (PEM or ENGINE)"},
208 {"keyopt", OPT_KEYOPT
, 's', "Set public key parameters as n:v pairs"},
209 {"receipt_request_from", OPT_RR_FROM
, 's'},
210 {"receipt_request_to", OPT_RR_TO
, 's'},
211 # ifndef OPENSSL_NO_AES
212 {"aes128-wrap", OPT_AES128_WRAP
, '-', "Use AES128 to wrap key"},
213 {"aes192-wrap", OPT_AES192_WRAP
, '-', "Use AES192 to wrap key"},
214 {"aes256-wrap", OPT_AES256_WRAP
, '-', "Use AES256 to wrap key"},
216 # ifndef OPENSSL_NO_DES
217 {"des3-wrap", OPT_3DES_WRAP
, '-', "Use 3DES-EDE to wrap key"},
219 # ifndef OPENSSL_NO_ENGINE
220 {"engine", OPT_ENGINE
, 's', "Use engine e, possibly a hardware device"},
222 {"", OPT_CIPHER
, '-', "Any supported cipher"},
227 int cms_main(int argc
, char **argv
)
229 ASN1_OBJECT
*econtent_type
= NULL
;
230 BIO
*in
= NULL
, *out
= NULL
, *indata
= NULL
, *rctin
= NULL
;
231 CMS_ContentInfo
*cms
= NULL
, *rcms
= NULL
;
232 CMS_ReceiptRequest
*rr
= NULL
;
234 EVP_PKEY
*key
= NULL
;
235 const EVP_CIPHER
*cipher
= NULL
, *wrap_cipher
= NULL
;
236 const EVP_MD
*sign_md
= NULL
;
237 STACK_OF(OPENSSL_STRING
) *rr_to
= NULL
, *rr_from
= NULL
;
238 STACK_OF(OPENSSL_STRING
) *sksigners
= NULL
, *skkeys
= NULL
;
239 STACK_OF(X509
) *encerts
= NULL
, *other
= NULL
;
240 X509
*cert
= NULL
, *recip
= NULL
, *signer
= NULL
;
241 X509_STORE
*store
= NULL
;
242 X509_VERIFY_PARAM
*vpm
= NULL
;
243 char *certfile
= NULL
, *keyfile
= NULL
, *contfile
= NULL
;
244 char *CAfile
= NULL
, *CApath
= NULL
, *certsoutfile
= NULL
;
245 char *infile
= NULL
, *outfile
= NULL
, *rctfile
= NULL
, *inrand
= NULL
;
246 char *passinarg
= NULL
, *passin
= NULL
, *signerfile
= NULL
, *recipfile
=
248 char *to
= NULL
, *from
= NULL
, *subject
= NULL
, *prog
;
249 cms_key_param
*key_first
= NULL
, *key_param
= NULL
;
250 const char *inmode
= "r", *outmode
= "w";
251 int flags
= CMS_DETACHED
, noout
= 0, print
= 0, keyidx
= -1, vpmtouched
=
253 int informat
= FORMAT_SMIME
, outformat
= FORMAT_SMIME
;
254 int need_rand
= 0, operation
= 0, ret
= 1, rr_print
= 0, rr_allorfirst
=
256 int verify_retcode
= 0, rctformat
= FORMAT_SMIME
, keyform
= FORMAT_PEM
;
257 size_t secret_keylen
= 0, secret_keyidlen
= 0;
258 unsigned char *pwri_pass
= NULL
, *pwri_tmp
= NULL
;
259 unsigned char *secret_key
= NULL
, *secret_keyid
= NULL
;
263 if ((vpm
= X509_VERIFY_PARAM_new()) == NULL
)
266 prog
= opt_init(argc
, argv
, cms_options
);
267 while ((o
= opt_next()) != OPT_EOF
) {
272 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
275 opt_help(cms_options
);
279 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &informat
))
283 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &outformat
))
290 operation
= SMIME_ENCRYPT
;
293 operation
= SMIME_DECRYPT
;
296 operation
= SMIME_SIGN
;
298 case OPT_SIGN_RECEIPT
:
299 operation
= SMIME_SIGN_RECEIPT
;
302 operation
= SMIME_RESIGN
;
305 operation
= SMIME_VERIFY
;
307 case OPT_VERIFY_RETCODE
:
310 case OPT_VERIFY_RECEIPT
:
311 operation
= SMIME_VERIFY_RECEIPT
;
315 operation
= SMIME_CMSOUT
;
318 operation
= SMIME_DATAOUT
;
320 case OPT_DATA_CREATE
:
321 operation
= SMIME_DATA_CREATE
;
323 case OPT_DIGEST_VERIFY
:
324 operation
= SMIME_DIGEST_VERIFY
;
326 case OPT_DIGEST_CREATE
:
327 operation
= SMIME_DIGEST_CREATE
;
330 operation
= SMIME_COMPRESS
;
333 operation
= SMIME_UNCOMPRESS
;
336 operation
= SMIME_ENCRYPTED_DECRYPT
;
339 operation
= SMIME_ENCRYPTED_ENCRYPT
;
341 case OPT_DEBUG_DECRYPT
:
342 flags
|= CMS_DEBUG_DECRYPT
;
348 flags
|= CMS_ASCIICRLF
;
351 flags
|= CMS_NOINTERN
;
354 flags
|= CMS_NO_SIGNER_CERT_VERIFY
;
357 flags
|= CMS_NOCERTS
;
363 flags
&= ~CMS_DETACHED
;
366 flags
|= CMS_NOSMIMECAP
;
372 flags
|= CMS_USE_KEYID
;
377 case OPT_NO_CONTENT_VERIFY
:
378 flags
|= CMS_NO_CONTENT_VERIFY
;
380 case OPT_NO_ATTR_VERIFY
:
381 flags
|= CMS_NO_ATTR_VERIFY
;
387 flags
&= ~CMS_STREAM
;
390 flags
|= CMS_NOOLDMIMETYPE
;
393 flags
|= CMS_CRLFEOL
;
408 if (rctformat
== FORMAT_SMIME
)
409 rcms
= SMIME_read_CMS(rctin
, NULL
);
410 else if (rctformat
== FORMAT_PEM
)
411 rcms
= PEM_read_bio_CMS(rctin
, NULL
, NULL
, NULL
);
412 else if (rctformat
== FORMAT_ASN1
)
413 if (!opt_format(opt_arg(),
414 OPT_FMT_PEMDER
| OPT_FMT_SMIME
, &rctformat
))
418 certfile
= opt_arg();
430 contfile
= opt_arg();
434 && (rr_from
= sk_OPENSSL_STRING_new_null()) == NULL
)
436 sk_OPENSSL_STRING_push(rr_from
, opt_arg());
440 && (rr_to
= sk_OPENSSL_STRING_new_null()) == NULL
)
442 sk_OPENSSL_STRING_push(rr_to
, opt_arg());
448 secret_key
= string_to_hex(opt_arg(), <mp
);
449 if (secret_key
== NULL
) {
450 BIO_printf(bio_err
, "Invalid key %s\n", opt_arg());
453 secret_keylen
= (size_t)ltmp
;
455 case OPT_SECRETKEYID
:
456 secret_keyid
= string_to_hex(opt_arg(), <mp
);
457 if (secret_keyid
== NULL
) {
458 BIO_printf(bio_err
, "Invalid id %s\n", opt_arg());
461 secret_keyidlen
= (size_t)ltmp
;
463 case OPT_PWRI_PASSWORD
:
464 pwri_pass
= (unsigned char *)opt_arg();
466 case OPT_ECONTENT_TYPE
:
467 econtent_type
= OBJ_txt2obj(opt_arg(), 0);
468 if (econtent_type
== NULL
) {
469 BIO_printf(bio_err
, "Invalid OID %s\n", opt_arg());
478 e
= setup_engine(opt_arg(), 0);
481 passinarg
= opt_arg();
493 certsoutfile
= opt_arg();
496 if (!opt_md(opt_arg(), &sign_md
))
500 /* If previous -signer argument add signer to list */
502 if (sksigners
== NULL
503 && (sksigners
= sk_OPENSSL_STRING_new_null()) == NULL
)
505 sk_OPENSSL_STRING_push(sksigners
, signerfile
);
507 keyfile
= signerfile
;
509 && (skkeys
= sk_OPENSSL_STRING_new_null()) == NULL
)
511 sk_OPENSSL_STRING_push(skkeys
, keyfile
);
514 signerfile
= opt_arg();
517 /* If previous -inkey arument add signer to list */
519 if (signerfile
== NULL
) {
520 BIO_puts(bio_err
, "Illegal -inkey without -signer\n");
523 if (sksigners
== NULL
524 && (sksigners
= sk_OPENSSL_STRING_new_null()) == NULL
)
526 sk_OPENSSL_STRING_push(sksigners
, signerfile
);
529 && (skkeys
= sk_OPENSSL_STRING_new_null()) == NULL
)
531 sk_OPENSSL_STRING_push(skkeys
, keyfile
);
536 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &keyform
))
540 if (operation
== SMIME_ENCRYPT
) {
541 if (encerts
== NULL
&& (encerts
= sk_X509_new_null()) == NULL
)
543 cert
= load_cert(opt_arg(), FORMAT_PEM
, NULL
, e
,
544 "recipient certificate file");
547 sk_X509_push(encerts
, cert
);
550 recipfile
= opt_arg();
553 if (!opt_cipher(opt_unknown(), &cipher
))
558 if (operation
== SMIME_ENCRYPT
) {
560 keyidx
+= sk_X509_num(encerts
);
562 if (keyfile
|| signerfile
)
565 keyidx
+= sk_OPENSSL_STRING_num(skkeys
);
568 BIO_printf(bio_err
, "No key specified\n");
571 if (key_param
== NULL
|| key_param
->idx
!= keyidx
) {
572 cms_key_param
*nparam
;
573 nparam
= app_malloc(sizeof(*nparam
), "key param buffer");
574 nparam
->idx
= keyidx
;
575 if ((nparam
->param
= sk_OPENSSL_STRING_new_null()) == NULL
)
578 if (key_first
== NULL
)
581 key_param
->next
= nparam
;
584 sk_OPENSSL_STRING_push(key_param
->param
, opt_arg());
587 if (!opt_verify(o
, vpm
))
591 # ifndef OPENSSL_NO_DES
593 wrap_cipher
= EVP_des_ede3_wrap();
596 # ifndef OPENSSL_NO_AES
597 case OPT_AES128_WRAP
:
598 wrap_cipher
= EVP_aes_128_wrap();
600 case OPT_AES192_WRAP
:
601 wrap_cipher
= EVP_aes_192_wrap();
603 case OPT_AES256_WRAP
:
604 wrap_cipher
= EVP_aes_256_wrap();
609 argc
= opt_num_rest();
612 if (((rr_allorfirst
!= -1) || rr_from
) && !rr_to
) {
613 BIO_puts(bio_err
, "No Signed Receipts Recipients\n");
617 if (!(operation
& SMIME_SIGNERS
) && (rr_to
|| rr_from
)) {
618 BIO_puts(bio_err
, "Signed receipts only allowed with -sign\n");
621 if (!(operation
& SMIME_SIGNERS
) && (skkeys
|| sksigners
)) {
622 BIO_puts(bio_err
, "Multiple signers or keys not allowed\n");
626 if (operation
& SMIME_SIGNERS
) {
627 if (keyfile
&& !signerfile
) {
628 BIO_puts(bio_err
, "Illegal -inkey without -signer\n");
631 /* Check to see if any final signer needs to be appended */
634 && (sksigners
= sk_OPENSSL_STRING_new_null()) == NULL
)
636 sk_OPENSSL_STRING_push(sksigners
, signerfile
);
637 if (!skkeys
&& (skkeys
= sk_OPENSSL_STRING_new_null()) == NULL
)
640 keyfile
= signerfile
;
641 sk_OPENSSL_STRING_push(skkeys
, keyfile
);
644 BIO_printf(bio_err
, "No signer certificate specified\n");
652 else if (operation
== SMIME_DECRYPT
) {
653 if (!recipfile
&& !keyfile
&& !secret_key
&& !pwri_pass
) {
655 "No recipient certificate or key specified\n");
658 } else if (operation
== SMIME_ENCRYPT
) {
659 if (*argv
== NULL
&& !secret_key
&& !pwri_pass
&& !encerts
) {
660 BIO_printf(bio_err
, "No recipient(s) certificate(s) specified\n");
664 } else if (!operation
)
668 if (!app_passwd(passinarg
, NULL
, &passin
, NULL
)) {
669 BIO_printf(bio_err
, "Error getting password\n");
674 app_RAND_load_file(NULL
, (inrand
!= NULL
));
676 BIO_printf(bio_err
, "%ld semi-random bytes loaded\n",
677 app_RAND_load_files(inrand
));
682 if (!(operation
& SMIME_SIGNERS
))
683 flags
&= ~CMS_DETACHED
;
685 if (operation
& SMIME_OP
) {
686 if (outformat
== FORMAT_ASN1
)
689 if (flags
& CMS_BINARY
)
693 if (operation
& SMIME_IP
) {
694 if (informat
== FORMAT_ASN1
)
697 if (flags
& CMS_BINARY
)
701 if (operation
== SMIME_ENCRYPT
) {
703 # ifndef OPENSSL_NO_DES
704 cipher
= EVP_des_ede3_cbc();
706 BIO_printf(bio_err
, "No cipher selected\n");
711 if (secret_key
&& !secret_keyid
) {
712 BIO_printf(bio_err
, "No secret key id\n");
716 if (*argv
&& !encerts
)
717 if ((encerts
= sk_X509_new_null()) == NULL
)
720 if (!(cert
= load_cert(*argv
, FORMAT_PEM
,
721 NULL
, e
, "recipient certificate file")))
723 sk_X509_push(encerts
, cert
);
730 if (!(other
= load_certs(certfile
, FORMAT_PEM
, NULL
,
731 e
, "certificate file"))) {
732 ERR_print_errors(bio_err
);
737 if (recipfile
&& (operation
== SMIME_DECRYPT
)) {
738 if (!(recip
= load_cert(recipfile
, FORMAT_PEM
, NULL
,
739 e
, "recipient certificate file"))) {
740 ERR_print_errors(bio_err
);
745 if (operation
== SMIME_SIGN_RECEIPT
) {
746 if (!(signer
= load_cert(signerfile
, FORMAT_PEM
, NULL
,
747 e
, "receipt signer certificate file"))) {
748 ERR_print_errors(bio_err
);
753 if (operation
== SMIME_DECRYPT
) {
756 } else if ((operation
== SMIME_SIGN
) || (operation
== SMIME_SIGN_RECEIPT
)) {
758 keyfile
= signerfile
;
763 key
= load_key(keyfile
, keyform
, 0, passin
, e
, "signing key file");
768 in
= bio_open_default(infile
, inmode
);
772 if (operation
& SMIME_IP
) {
773 if (informat
== FORMAT_SMIME
)
774 cms
= SMIME_read_CMS(in
, &indata
);
775 else if (informat
== FORMAT_PEM
)
776 cms
= PEM_read_bio_CMS(in
, NULL
, NULL
, NULL
);
777 else if (informat
== FORMAT_ASN1
)
778 cms
= d2i_CMS_bio(in
, NULL
);
780 BIO_printf(bio_err
, "Bad input format for CMS file\n");
785 BIO_printf(bio_err
, "Error reading S/MIME message\n");
790 if (!(indata
= BIO_new_file(contfile
, "rb"))) {
791 BIO_printf(bio_err
, "Can't read content file %s\n", contfile
);
796 STACK_OF(X509
) *allcerts
;
797 allcerts
= CMS_get1_certs(cms
);
798 if (!save_certs(certsoutfile
, allcerts
)) {
800 "Error writing certs to %s\n", certsoutfile
);
804 sk_X509_pop_free(allcerts
, X509_free
);
809 char *rctmode
= (rctformat
== FORMAT_ASN1
) ? "rb" : "r";
810 if (!(rctin
= BIO_new_file(rctfile
, rctmode
))) {
811 BIO_printf(bio_err
, "Can't open receipt file %s\n", rctfile
);
815 if (rctformat
== FORMAT_SMIME
)
816 rcms
= SMIME_read_CMS(rctin
, NULL
);
817 else if (rctformat
== FORMAT_PEM
)
818 rcms
= PEM_read_bio_CMS(rctin
, NULL
, NULL
, NULL
);
819 else if (rctformat
== FORMAT_ASN1
)
820 rcms
= d2i_CMS_bio(rctin
, NULL
);
822 BIO_printf(bio_err
, "Bad input format for receipt\n");
827 BIO_printf(bio_err
, "Error reading receipt\n");
832 out
= bio_open_default(outfile
, outmode
);
836 if ((operation
== SMIME_VERIFY
) || (operation
== SMIME_VERIFY_RECEIPT
)) {
837 if (!(store
= setup_verify(CAfile
, CApath
)))
839 X509_STORE_set_verify_cb(store
, cms_cb
);
841 X509_STORE_set1_param(store
, vpm
);
846 if (operation
== SMIME_DATA_CREATE
) {
847 cms
= CMS_data_create(in
, flags
);
848 } else if (operation
== SMIME_DIGEST_CREATE
) {
849 cms
= CMS_digest_create(in
, sign_md
, flags
);
850 } else if (operation
== SMIME_COMPRESS
) {
851 cms
= CMS_compress(in
, -1, flags
);
852 } else if (operation
== SMIME_ENCRYPT
) {
854 flags
|= CMS_PARTIAL
;
855 cms
= CMS_encrypt(NULL
, in
, cipher
, flags
);
858 for (i
= 0; i
< sk_X509_num(encerts
); i
++) {
859 CMS_RecipientInfo
*ri
;
860 cms_key_param
*kparam
;
862 X509
*x
= sk_X509_value(encerts
, i
);
863 for (kparam
= key_first
; kparam
; kparam
= kparam
->next
) {
864 if (kparam
->idx
== i
) {
865 tflags
|= CMS_KEY_PARAM
;
869 ri
= CMS_add1_recipient_cert(cms
, x
, tflags
);
874 pctx
= CMS_RecipientInfo_get0_pkey_ctx(ri
);
875 if (!cms_set_pkey_param(pctx
, kparam
->param
))
878 if (CMS_RecipientInfo_type(ri
) == CMS_RECIPINFO_AGREE
880 EVP_CIPHER_CTX
*wctx
;
881 wctx
= CMS_RecipientInfo_kari_get0_ctx(ri
);
882 EVP_EncryptInit_ex(wctx
, wrap_cipher
, NULL
, NULL
, NULL
);
887 if (!CMS_add0_recipient_key(cms
, NID_undef
,
888 secret_key
, secret_keylen
,
889 secret_keyid
, secret_keyidlen
,
892 /* NULL these because call absorbs them */
897 pwri_tmp
= (unsigned char *)BUF_strdup((char *)pwri_pass
);
900 if (!CMS_add0_recipient_password(cms
,
901 -1, NID_undef
, NID_undef
,
906 if (!(flags
& CMS_STREAM
)) {
907 if (!CMS_final(cms
, in
, NULL
, flags
))
910 } else if (operation
== SMIME_ENCRYPTED_ENCRYPT
) {
911 cms
= CMS_EncryptedData_encrypt(in
, cipher
,
912 secret_key
, secret_keylen
, flags
);
914 } else if (operation
== SMIME_SIGN_RECEIPT
) {
915 CMS_ContentInfo
*srcms
= NULL
;
916 STACK_OF(CMS_SignerInfo
) *sis
;
918 sis
= CMS_get0_SignerInfos(cms
);
921 si
= sk_CMS_SignerInfo_value(sis
, 0);
922 srcms
= CMS_sign_receipt(si
, signer
, key
, other
, flags
);
925 CMS_ContentInfo_free(cms
);
927 } else if (operation
& SMIME_SIGNERS
) {
930 * If detached data content we enable streaming if S/MIME output
933 if (operation
== SMIME_SIGN
) {
935 if (flags
& CMS_DETACHED
) {
936 if (outformat
== FORMAT_SMIME
)
939 flags
|= CMS_PARTIAL
;
940 cms
= CMS_sign(NULL
, NULL
, other
, in
, flags
);
944 CMS_set1_eContentType(cms
, econtent_type
);
947 rr
= make_receipt_request(rr_to
, rr_allorfirst
, rr_from
);
950 "Signed Receipt Request Creation Error\n");
955 flags
|= CMS_REUSE_DIGEST
;
956 for (i
= 0; i
< sk_OPENSSL_STRING_num(sksigners
); i
++) {
958 cms_key_param
*kparam
;
960 signerfile
= sk_OPENSSL_STRING_value(sksigners
, i
);
961 keyfile
= sk_OPENSSL_STRING_value(skkeys
, i
);
963 signer
= load_cert(signerfile
, FORMAT_PEM
, NULL
,
964 e
, "signer certificate");
967 key
= load_key(keyfile
, keyform
, 0, passin
, e
, "signing key file");
970 for (kparam
= key_first
; kparam
; kparam
= kparam
->next
) {
971 if (kparam
->idx
== i
) {
972 tflags
|= CMS_KEY_PARAM
;
976 si
= CMS_add1_signer(cms
, signer
, key
, sign_md
, tflags
);
981 pctx
= CMS_SignerInfo_get0_pkey_ctx(si
);
982 if (!cms_set_pkey_param(pctx
, kparam
->param
))
985 if (rr
&& !CMS_add1_ReceiptRequest(si
, rr
))
992 /* If not streaming or resigning finalize structure */
993 if ((operation
== SMIME_SIGN
) && !(flags
& CMS_STREAM
)) {
994 if (!CMS_final(cms
, in
, NULL
, flags
))
1000 BIO_printf(bio_err
, "Error creating CMS structure\n");
1005 if (operation
== SMIME_DECRYPT
) {
1006 if (flags
& CMS_DEBUG_DECRYPT
)
1007 CMS_decrypt(cms
, NULL
, NULL
, NULL
, NULL
, flags
);
1010 if (!CMS_decrypt_set1_key(cms
,
1011 secret_key
, secret_keylen
,
1012 secret_keyid
, secret_keyidlen
)) {
1013 BIO_puts(bio_err
, "Error decrypting CMS using secret key\n");
1019 if (!CMS_decrypt_set1_pkey(cms
, key
, recip
)) {
1020 BIO_puts(bio_err
, "Error decrypting CMS using private key\n");
1026 if (!CMS_decrypt_set1_password(cms
, pwri_pass
, -1)) {
1027 BIO_puts(bio_err
, "Error decrypting CMS using password\n");
1032 if (!CMS_decrypt(cms
, NULL
, NULL
, indata
, out
, flags
)) {
1033 BIO_printf(bio_err
, "Error decrypting CMS structure\n");
1036 } else if (operation
== SMIME_DATAOUT
) {
1037 if (!CMS_data(cms
, out
, flags
))
1039 } else if (operation
== SMIME_UNCOMPRESS
) {
1040 if (!CMS_uncompress(cms
, indata
, out
, flags
))
1042 } else if (operation
== SMIME_DIGEST_VERIFY
) {
1043 if (CMS_digest_verify(cms
, indata
, out
, flags
) > 0)
1044 BIO_printf(bio_err
, "Verification successful\n");
1046 BIO_printf(bio_err
, "Verification failure\n");
1049 } else if (operation
== SMIME_ENCRYPTED_DECRYPT
) {
1050 if (!CMS_EncryptedData_decrypt(cms
, secret_key
, secret_keylen
,
1051 indata
, out
, flags
))
1053 } else if (operation
== SMIME_VERIFY
) {
1054 if (CMS_verify(cms
, other
, store
, indata
, out
, flags
) > 0)
1055 BIO_printf(bio_err
, "Verification successful\n");
1057 BIO_printf(bio_err
, "Verification failure\n");
1059 ret
= verify_err
+ 32;
1063 STACK_OF(X509
) *signers
;
1064 signers
= CMS_get0_signers(cms
);
1065 if (!save_certs(signerfile
, signers
)) {
1067 "Error writing signers to %s\n", signerfile
);
1071 sk_X509_free(signers
);
1074 receipt_request_print(cms
);
1076 } else if (operation
== SMIME_VERIFY_RECEIPT
) {
1077 if (CMS_verify_receipt(rcms
, cms
, other
, store
, flags
) > 0)
1078 BIO_printf(bio_err
, "Verification successful\n");
1080 BIO_printf(bio_err
, "Verification failure\n");
1086 CMS_ContentInfo_print_ctx(out
, cms
, 0, NULL
);
1087 } else if (outformat
== FORMAT_SMIME
) {
1089 BIO_printf(out
, "To: %s\n", to
);
1091 BIO_printf(out
, "From: %s\n", from
);
1093 BIO_printf(out
, "Subject: %s\n", subject
);
1094 if (operation
== SMIME_RESIGN
)
1095 ret
= SMIME_write_CMS(out
, cms
, indata
, flags
);
1097 ret
= SMIME_write_CMS(out
, cms
, in
, flags
);
1098 } else if (outformat
== FORMAT_PEM
)
1099 ret
= PEM_write_bio_CMS_stream(out
, cms
, in
, flags
);
1100 else if (outformat
== FORMAT_ASN1
)
1101 ret
= i2d_CMS_bio_stream(out
, cms
, in
, flags
);
1103 BIO_printf(bio_err
, "Bad output format for CMS file\n");
1114 ERR_print_errors(bio_err
);
1116 app_RAND_write_file(NULL
);
1117 sk_X509_pop_free(encerts
, X509_free
);
1118 sk_X509_pop_free(other
, X509_free
);
1119 X509_VERIFY_PARAM_free(vpm
);
1120 sk_OPENSSL_STRING_free(sksigners
);
1121 sk_OPENSSL_STRING_free(skkeys
);
1122 OPENSSL_free(secret_key
);
1123 OPENSSL_free(secret_keyid
);
1124 OPENSSL_free(pwri_tmp
);
1125 ASN1_OBJECT_free(econtent_type
);
1126 CMS_ReceiptRequest_free(rr
);
1127 sk_OPENSSL_STRING_free(rr_to
);
1128 sk_OPENSSL_STRING_free(rr_from
);
1129 for (key_param
= key_first
; key_param
;) {
1130 cms_key_param
*tparam
;
1131 sk_OPENSSL_STRING_free(key_param
->param
);
1132 tparam
= key_param
->next
;
1133 OPENSSL_free(key_param
);
1136 X509_STORE_free(store
);
1141 CMS_ContentInfo_free(cms
);
1142 CMS_ContentInfo_free(rcms
);
1147 OPENSSL_free(passin
);
1151 static int save_certs(char *signerfile
, STACK_OF(X509
) *signers
)
1157 tmp
= BIO_new_file(signerfile
, "w");
1160 for (i
= 0; i
< sk_X509_num(signers
); i
++)
1161 PEM_write_bio_X509(tmp
, sk_X509_value(signers
, i
));
1166 /* Minimal callback just to output policy info (if any) */
1168 static int cms_cb(int ok
, X509_STORE_CTX
*ctx
)
1172 error
= X509_STORE_CTX_get_error(ctx
);
1176 if ((error
!= X509_V_ERR_NO_EXPLICIT_POLICY
)
1177 && ((error
!= X509_V_OK
) || (ok
!= 2)))
1180 policies_print(ctx
);
1186 static void gnames_stack_print(STACK_OF(GENERAL_NAMES
) *gns
)
1188 STACK_OF(GENERAL_NAME
) *gens
;
1192 for (i
= 0; i
< sk_GENERAL_NAMES_num(gns
); i
++) {
1193 gens
= sk_GENERAL_NAMES_value(gns
, i
);
1194 for (j
= 0; j
< sk_GENERAL_NAME_num(gens
); j
++) {
1195 gen
= sk_GENERAL_NAME_value(gens
, j
);
1196 BIO_puts(bio_err
, " ");
1197 GENERAL_NAME_print(bio_err
, gen
);
1198 BIO_puts(bio_err
, "\n");
1204 static void receipt_request_print(CMS_ContentInfo
*cms
)
1206 STACK_OF(CMS_SignerInfo
) *sis
;
1208 CMS_ReceiptRequest
*rr
;
1210 STACK_OF(GENERAL_NAMES
) *rto
, *rlist
;
1213 sis
= CMS_get0_SignerInfos(cms
);
1214 for (i
= 0; i
< sk_CMS_SignerInfo_num(sis
); i
++) {
1215 si
= sk_CMS_SignerInfo_value(sis
, i
);
1216 rv
= CMS_get1_ReceiptRequest(si
, &rr
);
1217 BIO_printf(bio_err
, "Signer %d:\n", i
+ 1);
1219 BIO_puts(bio_err
, " No Receipt Request\n");
1221 BIO_puts(bio_err
, " Receipt Request Parse Error\n");
1222 ERR_print_errors(bio_err
);
1226 CMS_ReceiptRequest_get0_values(rr
, &scid
, &allorfirst
,
1228 BIO_puts(bio_err
, " Signed Content ID:\n");
1229 idlen
= ASN1_STRING_length(scid
);
1230 id
= (char *)ASN1_STRING_data(scid
);
1231 BIO_dump_indent(bio_err
, id
, idlen
, 4);
1232 BIO_puts(bio_err
, " Receipts From");
1234 BIO_puts(bio_err
, " List:\n");
1235 gnames_stack_print(rlist
);
1236 } else if (allorfirst
== 1)
1237 BIO_puts(bio_err
, ": First Tier\n");
1238 else if (allorfirst
== 0)
1239 BIO_puts(bio_err
, ": All\n");
1241 BIO_printf(bio_err
, " Unknown (%d)\n", allorfirst
);
1242 BIO_puts(bio_err
, " Receipts To:\n");
1243 gnames_stack_print(rto
);
1245 CMS_ReceiptRequest_free(rr
);
1249 static STACK_OF(GENERAL_NAMES
) *make_names_stack(STACK_OF(OPENSSL_STRING
) *ns
)
1252 STACK_OF(GENERAL_NAMES
) *ret
;
1253 GENERAL_NAMES
*gens
= NULL
;
1254 GENERAL_NAME
*gen
= NULL
;
1255 ret
= sk_GENERAL_NAMES_new_null();
1258 for (i
= 0; i
< sk_OPENSSL_STRING_num(ns
); i
++) {
1259 char *str
= sk_OPENSSL_STRING_value(ns
, i
);
1260 gen
= a2i_GENERAL_NAME(NULL
, NULL
, NULL
, GEN_EMAIL
, str
, 0);
1263 gens
= GENERAL_NAMES_new();
1266 if (!sk_GENERAL_NAME_push(gens
, gen
))
1269 if (!sk_GENERAL_NAMES_push(ret
, gens
))
1277 sk_GENERAL_NAMES_pop_free(ret
, GENERAL_NAMES_free
);
1278 GENERAL_NAMES_free(gens
);
1279 GENERAL_NAME_free(gen
);
1283 static CMS_ReceiptRequest
*make_receipt_request(STACK_OF(OPENSSL_STRING
)
1284 *rr_to
, int rr_allorfirst
, STACK_OF(OPENSSL_STRING
)
1287 STACK_OF(GENERAL_NAMES
) *rct_to
, *rct_from
;
1288 CMS_ReceiptRequest
*rr
;
1289 rct_to
= make_names_stack(rr_to
);
1293 rct_from
= make_names_stack(rr_from
);
1298 rr
= CMS_ReceiptRequest_create0(NULL
, -1, rr_allorfirst
, rct_from
,
1305 static int cms_set_pkey_param(EVP_PKEY_CTX
*pctx
,
1306 STACK_OF(OPENSSL_STRING
) *param
)
1310 if (sk_OPENSSL_STRING_num(param
) <= 0)
1312 for (i
= 0; i
< sk_OPENSSL_STRING_num(param
); i
++) {
1313 keyopt
= sk_OPENSSL_STRING_value(param
, i
);
1314 if (pkey_ctrl_string(pctx
, keyopt
) <= 0) {
1315 BIO_printf(bio_err
, "parameter error \"%s\"\n", keyopt
);
1316 ERR_print_errors(bio_err
);