2 * Copyright 2008-2019 The OpenSSL Project Authors. All Rights Reserved.
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
10 /* CMS utility function */
17 #ifndef OPENSSL_NO_CMS
19 # include <openssl/crypto.h>
20 # include <openssl/pem.h>
21 # include <openssl/err.h>
22 # include <openssl/x509_vfy.h>
23 # include <openssl/x509v3.h>
24 # include <openssl/cms.h>
26 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
27 static int cms_cb(int ok, X509_STORE_CTX *ctx);
28 static void receipt_request_print(CMS_ContentInfo *cms);
29 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
30 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
32 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
33 STACK_OF(OPENSSL_STRING) *param);
35 # define SMIME_OP 0x10
36 # define SMIME_IP 0x20
37 # define SMIME_SIGNERS 0x40
38 # define SMIME_ENCRYPT (1 | SMIME_OP)
39 # define SMIME_DECRYPT (2 | SMIME_IP)
40 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
41 # define SMIME_VERIFY (4 | SMIME_IP)
42 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
43 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
44 # define SMIME_DATAOUT (7 | SMIME_IP)
45 # define SMIME_DATA_CREATE (8 | SMIME_OP)
46 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
47 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
48 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
49 # define SMIME_COMPRESS (12 | SMIME_OP)
50 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
51 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
52 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
53 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
55 static int verify_err = 0;
57 typedef struct cms_key_param_st cms_key_param;
59 struct cms_key_param_st {
61 STACK_OF(OPENSSL_STRING) *param;
65 typedef enum OPTION_choice {
66 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
67 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
68 OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
69 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
70 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
71 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
72 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
73 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
74 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
75 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
76 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
77 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
78 OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
79 OPT_CONTENT, OPT_PRINT,
80 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
81 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
82 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
83 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
84 OPT_3DES_WRAP, OPT_ENGINE,
90 const OPTIONS cms_options[] = {
91 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
92 {OPT_HELP_STR, 1, '-',
93 " cert.pem... recipient certs for encryption\n"},
95 OPT_SECTION("General"),
96 {"help", OPT_HELP, '-', "Display this summary"},
97 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
98 {"outform", OPT_OUTFORM, 'c',
99 "Output format SMIME (default), PEM or DER"},
100 {"in", OPT_IN, '<', "Input file"},
101 {"out", OPT_OUT, '>', "Output file"},
102 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
103 "Disable MMA protection and return an error if no recipient found"
104 " (see documentation)"},
105 {"stream", OPT_INDEF, '-', "Enable CMS streaming"},
106 {"indef", OPT_INDEF, '-', "Same as -stream"},
107 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
108 {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" },
109 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
110 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
111 {"CAstore", OPT_CASTORE, ':', "trusted certificates store URI"},
112 {"no-CAfile", OPT_NOCAFILE, '-',
113 "Do not load the default certificates file"},
114 {"no-CApath", OPT_NOCAPATH, '-',
115 "Do not load certificates from the default certificates directory"},
116 {"no-CAstore", OPT_NOCASTORE, '-',
117 "Do not load certificates from the default certificates store"},
118 # ifndef OPENSSL_NO_ENGINE
119 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
122 OPT_SECTION("Action"),
123 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
124 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
125 {"sign", OPT_SIGN, '-', "Sign message"},
126 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
127 {"resign", OPT_RESIGN, '-', "Resign a signed message"},
128 {"cades", OPT_CADES, '-', "Include signer certificate digest"},
129 {"verify", OPT_VERIFY, '-', "Verify signed message"},
130 {"verify_retcode", OPT_VERIFY_RETCODE, '-',
131 "Exit non-zero on verification failure"},
132 {"verify_receipt", OPT_VERIFY_RECEIPT, '<',
133 "Verify receipts; exit if receipt signatures do not verify"},
134 {"digest_verify", OPT_DIGEST_VERIFY, '-',
135 "Verify a CMS \"DigestedData\" object and output it"},
136 {"digest_create", OPT_DIGEST_CREATE, '-',
137 "Create a CMS \"DigestedData\" object"},
138 {"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
139 {"uncompress", OPT_UNCOMPRESS, '-',
140 "Uncompress a CMS \"CompressedData\" object"},
141 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
142 "Decrypt CMS \"EncryptedData\" object using symmetric key"},
143 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
144 "Create CMS \"EncryptedData\" object using symmetric key"},
145 {"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
146 {"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
147 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
148 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
149 "Do not verify signed content signatures"},
150 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
151 "Do not verify signed attribute signatures"},
152 {"nointern", OPT_NOINTERN, '-',
153 "Don't search certificates in message for signer"},
154 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
156 OPT_SECTION("Formatting"),
157 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
158 {"asciicrlf", OPT_ASCIICRLF, '-',
159 "Perform CRLF canonicalisation when signing"},
160 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
161 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
162 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
163 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
164 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
165 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
166 {"nocerts", OPT_NOCERTS, '-',
167 "Don't include signers certificate when signing"},
168 {"noout", OPT_NOOUT, '-',
169 "For the -cmsout operation do not output the parsed CMS structure"},
170 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
171 {"receipt_request_all", OPT_RR_ALL, '-',
172 "When signing, create a receipt request for all recipients"},
173 {"receipt_request_first", OPT_RR_FIRST, '-',
174 "When signing, create a receipt request for first recipient"},
175 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
176 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
177 {"content", OPT_CONTENT, '<',
178 "Supply or override content for detached signature"},
179 {"print", OPT_PRINT, '-',
180 "For the -cmsout operation print out all fields of the CMS structure"},
181 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
183 OPT_SECTION("Keying"),
184 {"secretkey", OPT_SECRETKEY, 's',
185 "Use specified hex-encoded key to decrypt/encrypt recipients or content"},
186 {"secretkeyid", OPT_SECRETKEYID, 's',
187 "Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
188 {"pwri_password", OPT_PWRI_PASSWORD, 's',
189 "Specific password for recipient"},
190 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
191 {"inkey", OPT_INKEY, 's',
192 "Input private key (if not signer or recipient)"},
193 {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
194 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
196 OPT_SECTION("Mail header"),
197 {"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
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 {"receipt_request_from", OPT_RR_FROM, 's',
204 "Create signed receipt request with specified email address"},
205 {"receipt_request_to", OPT_RR_TO, 's',
206 "Create signed receipt targeted to specified address"},
208 OPT_SECTION("Encryption"),
209 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
210 {"", OPT_CIPHER, '-', "Any supported cipher"},
212 OPT_SECTION("Key-wrapping"),
213 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
214 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
215 {"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"},
225 int cms_main(int argc, char **argv)
227 ASN1_OBJECT *econtent_type = NULL;
228 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
229 CMS_ContentInfo *cms = NULL, *rcms = NULL;
230 CMS_ReceiptRequest *rr = NULL;
232 EVP_PKEY *key = NULL;
233 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
234 const EVP_MD *sign_md = NULL;
235 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
236 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
237 STACK_OF(X509) *encerts = NULL, *other = NULL;
238 X509 *cert = NULL, *recip = NULL, *signer = NULL;
239 X509_STORE *store = NULL;
240 X509_VERIFY_PARAM *vpm = NULL;
241 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
242 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
243 char *certsoutfile = NULL;
244 int noCAfile = 0, noCApath = 0, noCAstore = 0;
245 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
246 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile = NULL;
247 char *to = NULL, *from = NULL, *subject = NULL, *prog;
248 cms_key_param *key_first = NULL, *key_param = NULL;
249 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
250 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
251 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
252 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
253 size_t secret_keylen = 0, secret_keyidlen = 0;
254 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
255 unsigned char *secret_key = NULL, *secret_keyid = NULL;
257 const char *mime_eol = "\n";
260 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
263 prog = opt_init(argc, argv, cms_options);
264 while ((o = opt_next()) != OPT_EOF) {
269 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
272 opt_help(cms_options);
276 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
280 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
287 operation = SMIME_ENCRYPT;
290 operation = SMIME_DECRYPT;
293 operation = SMIME_SIGN;
295 case OPT_SIGN_RECEIPT:
296 operation = SMIME_SIGN_RECEIPT;
299 operation = SMIME_RESIGN;
302 operation = SMIME_VERIFY;
304 case OPT_VERIFY_RETCODE:
307 case OPT_VERIFY_RECEIPT:
308 operation = SMIME_VERIFY_RECEIPT;
312 operation = SMIME_CMSOUT;
315 operation = SMIME_DATAOUT;
317 case OPT_DATA_CREATE:
318 operation = SMIME_DATA_CREATE;
320 case OPT_DIGEST_VERIFY:
321 operation = SMIME_DIGEST_VERIFY;
323 case OPT_DIGEST_CREATE:
324 operation = SMIME_DIGEST_CREATE;
327 operation = SMIME_COMPRESS;
330 operation = SMIME_UNCOMPRESS;
333 operation = SMIME_ENCRYPTED_DECRYPT;
336 operation = SMIME_ENCRYPTED_ENCRYPT;
338 case OPT_DEBUG_DECRYPT:
339 flags |= CMS_DEBUG_DECRYPT;
345 flags |= CMS_ASCIICRLF;
348 flags |= CMS_NOINTERN;
351 flags |= CMS_NO_SIGNER_CERT_VERIFY;
354 flags |= CMS_NOCERTS;
360 flags &= ~CMS_DETACHED;
363 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;
391 flags |= CMS_CRLFEOL;
406 if (rctformat == FORMAT_SMIME)
407 rcms = SMIME_read_CMS(rctin, NULL);
408 else if (rctformat == FORMAT_PEM)
409 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
410 else if (rctformat == FORMAT_ASN1)
411 if (!opt_format(opt_arg(),
412 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
416 certfile = opt_arg();
440 contfile = opt_arg();
444 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
446 sk_OPENSSL_STRING_push(rr_from, opt_arg());
450 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
452 sk_OPENSSL_STRING_push(rr_to, opt_arg());
458 if (secret_key != NULL) {
459 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
463 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp);
464 if (secret_key == NULL) {
465 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
468 secret_keylen = (size_t)ltmp;
470 case OPT_SECRETKEYID:
471 if (secret_keyid != NULL) {
472 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
476 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
477 if (secret_keyid == NULL) {
478 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
481 secret_keyidlen = (size_t)ltmp;
483 case OPT_PWRI_PASSWORD:
484 pwri_pass = (unsigned char *)opt_arg();
486 case OPT_ECONTENT_TYPE:
487 if (econtent_type != NULL) {
488 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
492 econtent_type = OBJ_txt2obj(opt_arg(), 0);
493 if (econtent_type == NULL) {
494 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
499 e = setup_engine(opt_arg(), 0);
502 passinarg = opt_arg();
514 certsoutfile = opt_arg();
517 if (!opt_md(opt_arg(), &sign_md))
521 /* If previous -signer argument add signer to list */
522 if (signerfile != NULL) {
523 if (sksigners == NULL
524 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
526 sk_OPENSSL_STRING_push(sksigners, signerfile);
528 keyfile = signerfile;
530 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
532 sk_OPENSSL_STRING_push(skkeys, keyfile);
535 signerfile = opt_arg();
538 /* If previous -inkey argument add signer to list */
539 if (keyfile != NULL) {
540 if (signerfile == NULL) {
541 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
544 if (sksigners == NULL
545 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
547 sk_OPENSSL_STRING_push(sksigners, signerfile);
550 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
552 sk_OPENSSL_STRING_push(skkeys, keyfile);
557 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
561 if (operation == SMIME_ENCRYPT) {
562 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
564 cert = load_cert(opt_arg(), FORMAT_PEM,
565 "recipient certificate file");
568 sk_X509_push(encerts, cert);
571 recipfile = opt_arg();
575 if (!opt_cipher(opt_unknown(), &cipher))
580 if (operation == SMIME_ENCRYPT) {
582 keyidx += sk_X509_num(encerts);
584 if (keyfile != NULL || signerfile != NULL)
587 keyidx += sk_OPENSSL_STRING_num(skkeys);
590 BIO_printf(bio_err, "No key specified\n");
593 if (key_param == NULL || key_param->idx != keyidx) {
594 cms_key_param *nparam;
595 nparam = app_malloc(sizeof(*nparam), "key param buffer");
596 nparam->idx = keyidx;
597 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
600 if (key_first == NULL)
603 key_param->next = nparam;
606 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
609 if (!opt_verify(o, vpm))
618 # ifndef OPENSSL_NO_DES
619 wrap_cipher = EVP_des_ede3_wrap();
622 case OPT_AES128_WRAP:
623 wrap_cipher = EVP_aes_128_wrap();
625 case OPT_AES192_WRAP:
626 wrap_cipher = EVP_aes_192_wrap();
628 case OPT_AES256_WRAP:
629 wrap_cipher = EVP_aes_256_wrap();
633 argc = opt_num_rest();
636 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
637 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
641 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
642 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
645 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
646 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
650 if (flags & CMS_CADES) {
651 if (flags & CMS_NOATTR) {
652 BIO_puts(bio_err, "Incompatible options: "
653 "CAdES required signed attributes\n");
658 if (operation & SMIME_SIGNERS) {
659 if (keyfile != NULL && signerfile == NULL) {
660 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
663 /* Check to see if any final signer needs to be appended */
664 if (signerfile != NULL) {
665 if (sksigners == NULL
666 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
668 sk_OPENSSL_STRING_push(sksigners, signerfile);
669 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
672 keyfile = signerfile;
673 sk_OPENSSL_STRING_push(skkeys, keyfile);
675 if (sksigners == NULL) {
676 BIO_printf(bio_err, "No signer certificate specified\n");
681 } else if (operation == SMIME_DECRYPT) {
682 if (recipfile == NULL && keyfile == NULL
683 && secret_key == NULL && pwri_pass == NULL) {
685 "No recipient certificate or key specified\n");
688 } else if (operation == SMIME_ENCRYPT) {
689 if (*argv == NULL && secret_key == NULL
690 && pwri_pass == NULL && encerts == NULL) {
691 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
694 } else if (!operation) {
695 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n");
699 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
700 BIO_printf(bio_err, "Error getting password\n");
706 if (!(operation & SMIME_SIGNERS))
707 flags &= ~CMS_DETACHED;
709 if (!(operation & SMIME_OP))
710 if (flags & CMS_BINARY)
711 outformat = FORMAT_BINARY;
713 if (!(operation & SMIME_IP))
714 if (flags & CMS_BINARY)
715 informat = FORMAT_BINARY;
717 if (operation == SMIME_ENCRYPT) {
719 # ifndef OPENSSL_NO_DES
720 cipher = EVP_des_ede3_cbc();
722 BIO_printf(bio_err, "No cipher selected\n");
727 if (secret_key && !secret_keyid) {
728 BIO_printf(bio_err, "No secret key id\n");
732 if (*argv && encerts == NULL)
733 if ((encerts = sk_X509_new_null()) == NULL)
736 if ((cert = load_cert(*argv, FORMAT_PEM,
737 "recipient certificate file")) == NULL)
739 sk_X509_push(encerts, cert);
745 if (certfile != NULL) {
746 if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
747 "certificate file")) {
748 ERR_print_errors(bio_err);
753 if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
754 if ((recip = load_cert(recipfile, FORMAT_PEM,
755 "recipient certificate file")) == NULL) {
756 ERR_print_errors(bio_err);
761 if (operation == SMIME_SIGN_RECEIPT) {
762 if ((signer = load_cert(signerfile, FORMAT_PEM,
763 "receipt signer certificate file")) == NULL) {
764 ERR_print_errors(bio_err);
769 if (operation == SMIME_DECRYPT) {
772 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
774 keyfile = signerfile;
779 if (keyfile != NULL) {
780 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
785 in = bio_open_default(infile, 'r', informat);
789 if (operation & SMIME_IP) {
790 if (informat == FORMAT_SMIME) {
791 cms = SMIME_read_CMS(in, &indata);
792 } else if (informat == FORMAT_PEM) {
793 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
794 } else if (informat == FORMAT_ASN1) {
795 cms = d2i_CMS_bio(in, NULL);
797 BIO_printf(bio_err, "Bad input format for CMS file\n");
802 BIO_printf(bio_err, "Error reading S/MIME message\n");
805 if (contfile != NULL) {
807 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
808 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
812 if (certsoutfile != NULL) {
813 STACK_OF(X509) *allcerts;
814 allcerts = CMS_get1_certs(cms);
815 if (!save_certs(certsoutfile, allcerts)) {
817 "Error writing certs to %s\n", certsoutfile);
821 sk_X509_pop_free(allcerts, X509_free);
825 if (rctfile != NULL) {
826 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
827 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
828 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
832 if (rctformat == FORMAT_SMIME) {
833 rcms = SMIME_read_CMS(rctin, NULL);
834 } else if (rctformat == FORMAT_PEM) {
835 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
836 } else if (rctformat == FORMAT_ASN1) {
837 rcms = d2i_CMS_bio(rctin, NULL);
839 BIO_printf(bio_err, "Bad input format for receipt\n");
844 BIO_printf(bio_err, "Error reading receipt\n");
849 out = bio_open_default(outfile, 'w', outformat);
853 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
854 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
855 CAstore, noCAstore)) == NULL)
857 X509_STORE_set_verify_cb(store, cms_cb);
859 X509_STORE_set1_param(store, vpm);
864 if (operation == SMIME_DATA_CREATE) {
865 cms = CMS_data_create(in, flags);
866 } else if (operation == SMIME_DIGEST_CREATE) {
867 cms = CMS_digest_create(in, sign_md, flags);
868 } else if (operation == SMIME_COMPRESS) {
869 cms = CMS_compress(in, -1, flags);
870 } else if (operation == SMIME_ENCRYPT) {
872 flags |= CMS_PARTIAL;
873 cms = CMS_encrypt(NULL, in, cipher, flags);
876 for (i = 0; i < sk_X509_num(encerts); i++) {
877 CMS_RecipientInfo *ri;
878 cms_key_param *kparam;
880 X509 *x = sk_X509_value(encerts, i);
881 for (kparam = key_first; kparam; kparam = kparam->next) {
882 if (kparam->idx == i) {
883 tflags |= CMS_KEY_PARAM;
887 ri = CMS_add1_recipient_cert(cms, x, tflags);
890 if (kparam != NULL) {
892 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
893 if (!cms_set_pkey_param(pctx, kparam->param))
896 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
898 EVP_CIPHER_CTX *wctx;
899 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
900 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
904 if (secret_key != NULL) {
905 if (!CMS_add0_recipient_key(cms, NID_undef,
906 secret_key, secret_keylen,
907 secret_keyid, secret_keyidlen,
910 /* NULL these because call absorbs them */
914 if (pwri_pass != NULL) {
915 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
916 if (pwri_tmp == NULL)
918 if (CMS_add0_recipient_password(cms,
919 -1, NID_undef, NID_undef,
920 pwri_tmp, -1, NULL) == NULL)
924 if (!(flags & CMS_STREAM)) {
925 if (!CMS_final(cms, in, NULL, flags))
928 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
929 cms = CMS_EncryptedData_encrypt(in, cipher,
930 secret_key, secret_keylen, flags);
932 } else if (operation == SMIME_SIGN_RECEIPT) {
933 CMS_ContentInfo *srcms = NULL;
934 STACK_OF(CMS_SignerInfo) *sis;
936 sis = CMS_get0_SignerInfos(cms);
939 si = sk_CMS_SignerInfo_value(sis, 0);
940 srcms = CMS_sign_receipt(si, signer, key, other, flags);
943 CMS_ContentInfo_free(cms);
945 } else if (operation & SMIME_SIGNERS) {
948 * If detached data content we enable streaming if S/MIME output
951 if (operation == SMIME_SIGN) {
953 if (flags & CMS_DETACHED) {
954 if (outformat == FORMAT_SMIME)
957 flags |= CMS_PARTIAL;
958 cms = CMS_sign(NULL, NULL, other, in, flags);
961 if (econtent_type != NULL)
962 CMS_set1_eContentType(cms, econtent_type);
965 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
968 "Signed Receipt Request Creation Error\n");
973 flags |= CMS_REUSE_DIGEST;
975 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
977 cms_key_param *kparam;
979 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
980 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
982 signer = load_cert(signerfile, FORMAT_PEM, "signer certificate");
983 if (signer == NULL) {
987 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
992 for (kparam = key_first; kparam; kparam = kparam->next) {
993 if (kparam->idx == i) {
994 tflags |= CMS_KEY_PARAM;
998 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
1001 if (kparam != NULL) {
1003 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1004 if (!cms_set_pkey_param(pctx, kparam->param))
1007 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
1014 /* If not streaming or resigning finalize structure */
1015 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1016 if (!CMS_final(cms, in, NULL, flags))
1022 BIO_printf(bio_err, "Error creating CMS structure\n");
1027 if (operation == SMIME_DECRYPT) {
1028 if (flags & CMS_DEBUG_DECRYPT)
1029 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1031 if (secret_key != NULL) {
1032 if (!CMS_decrypt_set1_key(cms,
1033 secret_key, secret_keylen,
1034 secret_keyid, secret_keyidlen)) {
1035 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1041 if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
1042 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1047 if (pwri_pass != NULL) {
1048 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1049 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1054 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1055 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1058 } else if (operation == SMIME_DATAOUT) {
1059 if (!CMS_data(cms, out, flags))
1061 } else if (operation == SMIME_UNCOMPRESS) {
1062 if (!CMS_uncompress(cms, indata, out, flags))
1064 } else if (operation == SMIME_DIGEST_VERIFY) {
1065 if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1066 BIO_printf(bio_err, "Verification successful\n");
1068 BIO_printf(bio_err, "Verification failure\n");
1071 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1072 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1073 indata, out, flags))
1075 } else if (operation == SMIME_VERIFY) {
1076 if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1077 BIO_printf(bio_err, "Verification successful\n");
1079 BIO_printf(bio_err, "Verification failure\n");
1081 ret = verify_err + 32;
1084 if (signerfile != NULL) {
1085 STACK_OF(X509) *signers;
1086 signers = CMS_get0_signers(cms);
1087 if (!save_certs(signerfile, signers)) {
1089 "Error writing signers to %s\n", signerfile);
1093 sk_X509_free(signers);
1096 receipt_request_print(cms);
1098 } else if (operation == SMIME_VERIFY_RECEIPT) {
1099 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1100 BIO_printf(bio_err, "Verification successful\n");
1102 BIO_printf(bio_err, "Verification failure\n");
1108 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1109 } else if (outformat == FORMAT_SMIME) {
1111 BIO_printf(out, "To: %s%s", to, mime_eol);
1113 BIO_printf(out, "From: %s%s", from, mime_eol);
1115 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1116 if (operation == SMIME_RESIGN)
1117 ret = SMIME_write_CMS(out, cms, indata, flags);
1119 ret = SMIME_write_CMS(out, cms, in, flags);
1120 } else if (outformat == FORMAT_PEM) {
1121 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1122 } else if (outformat == FORMAT_ASN1) {
1123 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1125 BIO_printf(bio_err, "Bad output format for CMS file\n");
1136 ERR_print_errors(bio_err);
1137 sk_X509_pop_free(encerts, X509_free);
1138 sk_X509_pop_free(other, X509_free);
1139 X509_VERIFY_PARAM_free(vpm);
1140 sk_OPENSSL_STRING_free(sksigners);
1141 sk_OPENSSL_STRING_free(skkeys);
1142 OPENSSL_free(secret_key);
1143 OPENSSL_free(secret_keyid);
1144 OPENSSL_free(pwri_tmp);
1145 ASN1_OBJECT_free(econtent_type);
1146 CMS_ReceiptRequest_free(rr);
1147 sk_OPENSSL_STRING_free(rr_to);
1148 sk_OPENSSL_STRING_free(rr_from);
1149 for (key_param = key_first; key_param;) {
1150 cms_key_param *tparam;
1151 sk_OPENSSL_STRING_free(key_param->param);
1152 tparam = key_param->next;
1153 OPENSSL_free(key_param);
1156 X509_STORE_free(store);
1161 CMS_ContentInfo_free(cms);
1162 CMS_ContentInfo_free(rcms);
1168 OPENSSL_free(passin);
1172 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1176 if (signerfile == NULL)
1178 tmp = BIO_new_file(signerfile, "w");
1181 for (i = 0; i < sk_X509_num(signers); i++)
1182 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1187 /* Minimal callback just to output policy info (if any) */
1189 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1193 error = X509_STORE_CTX_get_error(ctx);
1197 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1198 && ((error != X509_V_OK) || (ok != 2)))
1201 policies_print(ctx);
1207 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1209 STACK_OF(GENERAL_NAME) *gens;
1213 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1214 gens = sk_GENERAL_NAMES_value(gns, i);
1215 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1216 gen = sk_GENERAL_NAME_value(gens, j);
1217 BIO_puts(bio_err, " ");
1218 GENERAL_NAME_print(bio_err, gen);
1219 BIO_puts(bio_err, "\n");
1225 static void receipt_request_print(CMS_ContentInfo *cms)
1227 STACK_OF(CMS_SignerInfo) *sis;
1229 CMS_ReceiptRequest *rr;
1231 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1234 sis = CMS_get0_SignerInfos(cms);
1235 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1236 si = sk_CMS_SignerInfo_value(sis, i);
1237 rv = CMS_get1_ReceiptRequest(si, &rr);
1238 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1240 BIO_puts(bio_err, " No Receipt Request\n");
1241 } else if (rv < 0) {
1242 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1243 ERR_print_errors(bio_err);
1247 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1249 BIO_puts(bio_err, " Signed Content ID:\n");
1250 idlen = ASN1_STRING_length(scid);
1251 id = (const char *)ASN1_STRING_get0_data(scid);
1252 BIO_dump_indent(bio_err, id, idlen, 4);
1253 BIO_puts(bio_err, " Receipts From");
1254 if (rlist != NULL) {
1255 BIO_puts(bio_err, " List:\n");
1256 gnames_stack_print(rlist);
1257 } else if (allorfirst == 1) {
1258 BIO_puts(bio_err, ": First Tier\n");
1259 } else if (allorfirst == 0) {
1260 BIO_puts(bio_err, ": All\n");
1262 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1264 BIO_puts(bio_err, " Receipts To:\n");
1265 gnames_stack_print(rto);
1267 CMS_ReceiptRequest_free(rr);
1271 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1274 STACK_OF(GENERAL_NAMES) *ret;
1275 GENERAL_NAMES *gens = NULL;
1276 GENERAL_NAME *gen = NULL;
1277 ret = sk_GENERAL_NAMES_new_null();
1280 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1281 char *str = sk_OPENSSL_STRING_value(ns, i);
1282 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1285 gens = GENERAL_NAMES_new();
1288 if (!sk_GENERAL_NAME_push(gens, gen))
1291 if (!sk_GENERAL_NAMES_push(ret, gens))
1299 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1300 GENERAL_NAMES_free(gens);
1301 GENERAL_NAME_free(gen);
1305 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1306 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1309 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1310 CMS_ReceiptRequest *rr;
1311 rct_to = make_names_stack(rr_to);
1314 if (rr_from != NULL) {
1315 rct_from = make_names_stack(rr_from);
1316 if (rct_from == NULL)
1321 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1325 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1329 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1330 STACK_OF(OPENSSL_STRING) *param)
1334 if (sk_OPENSSL_STRING_num(param) <= 0)
1336 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1337 keyopt = sk_OPENSSL_STRING_value(param, i);
1338 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1339 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1340 ERR_print_errors(bio_err);