2 * Copyright 2008-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* CMS utility function */
16 #ifndef OPENSSL_NO_CMS
18 # include <openssl/crypto.h>
19 # include <openssl/pem.h>
20 # include <openssl/err.h>
21 # include <openssl/x509_vfy.h>
22 # include <openssl/x509v3.h>
23 # include <openssl/cms.h>
25 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
26 static int cms_cb(int ok, X509_STORE_CTX *ctx);
27 static void receipt_request_print(CMS_ContentInfo *cms);
28 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
29 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
31 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
32 STACK_OF(OPENSSL_STRING) *param);
34 # define SMIME_OP 0x10
35 # define SMIME_IP 0x20
36 # define SMIME_SIGNERS 0x40
37 # define SMIME_ENCRYPT (1 | SMIME_OP)
38 # define SMIME_DECRYPT (2 | SMIME_IP)
39 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
40 # define SMIME_VERIFY (4 | SMIME_IP)
41 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
42 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
43 # define SMIME_DATAOUT (7 | SMIME_IP)
44 # define SMIME_DATA_CREATE (8 | SMIME_OP)
45 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
46 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
47 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
48 # define SMIME_COMPRESS (12 | SMIME_OP)
49 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
50 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
51 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
52 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
54 static int verify_err = 0;
56 typedef struct cms_key_param_st cms_key_param;
58 struct cms_key_param_st {
60 STACK_OF(OPENSSL_STRING) *param;
64 typedef enum OPTION_choice {
65 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
66 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
67 OPT_DECRYPT, OPT_SIGN, OPT_SIGN_RECEIPT, OPT_RESIGN,
68 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
69 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
70 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
71 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
72 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
73 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
74 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
75 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
76 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
77 OPT_CAPATH, OPT_NOCAPATH, OPT_NOCAFILE,OPT_CONTENT, OPT_PRINT,
78 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
79 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
80 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
81 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
82 OPT_3DES_WRAP, OPT_ENGINE,
88 const OPTIONS cms_options[] = {
89 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
90 {OPT_HELP_STR, 1, '-',
91 " cert.pem... recipient certs for encryption\n"},
92 {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
93 {"help", OPT_HELP, '-', "Display this summary"},
94 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
95 {"outform", OPT_OUTFORM, 'c',
96 "Output format SMIME (default), PEM or DER"},
97 {"in", OPT_IN, '<', "Input file"},
98 {"out", OPT_OUT, '>', "Output file"},
99 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
100 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
101 {"sign", OPT_SIGN, '-', "Sign message"},
102 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
103 {"resign", OPT_RESIGN, '-', "Resign a signed message"},
104 {"verify", OPT_VERIFY, '-', "Verify signed message"},
105 {"verify_retcode", OPT_VERIFY_RETCODE, '-'},
106 {"verify_receipt", OPT_VERIFY_RECEIPT, '<'},
107 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
108 {"data_out", OPT_DATA_OUT, '-'},
109 {"data_create", OPT_DATA_CREATE, '-'},
110 {"digest_verify", OPT_DIGEST_VERIFY, '-'},
111 {"digest_create", OPT_DIGEST_CREATE, '-'},
112 {"compress", OPT_COMPRESS, '-'},
113 {"uncompress", OPT_UNCOMPRESS, '-'},
114 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-'},
115 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-'},
116 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-'},
117 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
118 {"asciicrlf", OPT_ASCIICRLF, '-'},
119 {"nointern", OPT_NOINTERN, '-',
120 "Don't search certificates in message for signer"},
121 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
122 {"nocerts", OPT_NOCERTS, '-',
123 "Don't include signers certificate when signing"},
124 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
125 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
126 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
127 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
128 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
129 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
130 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-'},
131 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-'},
132 {"stream", OPT_INDEF, '-', "Enable CMS streaming"},
133 {"indef", OPT_INDEF, '-', "Same as -stream"},
134 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
135 {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" },
136 {"noout", OPT_NOOUT, '-', "For the -cmsout operation do not output the parsed CMS structure"},
137 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
138 {"receipt_request_all", OPT_RR_ALL, '-'},
139 {"receipt_request_first", OPT_RR_FIRST, '-'},
140 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
141 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
142 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
143 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
144 {"no-CAfile", OPT_NOCAFILE, '-',
145 "Do not load the default certificates file"},
146 {"no-CApath", OPT_NOCAPATH, '-',
147 "Do not load certificates from the default certificates directory"},
148 {"content", OPT_CONTENT, '<',
149 "Supply or override content for detached signature"},
150 {"print", OPT_PRINT, '-',
151 "For the -cmsout operation print out all fields of the CMS structure"},
152 {"secretkey", OPT_SECRETKEY, 's'},
153 {"secretkeyid", OPT_SECRETKEYID, 's'},
154 {"pwri_password", OPT_PWRI_PASSWORD, 's'},
155 {"econtent_type", OPT_ECONTENT_TYPE, 's'},
156 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
157 {"to", OPT_TO, 's', "To address"},
158 {"from", OPT_FROM, 's', "From address"},
159 {"subject", OPT_SUBJECT, 's', "Subject"},
160 {"signer", OPT_SIGNER, 's', "Signer certificate file"},
161 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
162 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
163 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
164 {"inkey", OPT_INKEY, 's',
165 "Input private key (if not signer or recipient)"},
166 {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
167 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
168 {"receipt_request_from", OPT_RR_FROM, 's'},
169 {"receipt_request_to", OPT_RR_TO, 's'},
170 {"", OPT_CIPHER, '-', "Any supported cipher"},
173 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
174 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
175 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
176 # ifndef OPENSSL_NO_DES
177 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
179 # ifndef OPENSSL_NO_ENGINE
180 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
185 int cms_main(int argc, char **argv)
187 ASN1_OBJECT *econtent_type = NULL;
188 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
189 CMS_ContentInfo *cms = NULL, *rcms = NULL;
190 CMS_ReceiptRequest *rr = NULL;
192 EVP_PKEY *key = NULL;
193 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
194 const EVP_MD *sign_md = NULL;
195 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
196 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
197 STACK_OF(X509) *encerts = NULL, *other = NULL;
198 X509 *cert = NULL, *recip = NULL, *signer = NULL;
199 X509_STORE *store = NULL;
200 X509_VERIFY_PARAM *vpm = NULL;
201 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
202 const char *CAfile = NULL, *CApath = NULL;
203 char *certsoutfile = NULL;
204 int noCAfile = 0, noCApath = 0;
205 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
206 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile = NULL;
207 char *to = NULL, *from = NULL, *subject = NULL, *prog;
208 cms_key_param *key_first = NULL, *key_param = NULL;
209 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
210 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
211 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
212 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
213 size_t secret_keylen = 0, secret_keyidlen = 0;
214 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
215 unsigned char *secret_key = NULL, *secret_keyid = NULL;
217 const char *mime_eol = "\n";
220 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
223 prog = opt_init(argc, argv, cms_options);
224 while ((o = opt_next()) != OPT_EOF) {
229 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
232 opt_help(cms_options);
236 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
240 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
247 operation = SMIME_ENCRYPT;
250 operation = SMIME_DECRYPT;
253 operation = SMIME_SIGN;
255 case OPT_SIGN_RECEIPT:
256 operation = SMIME_SIGN_RECEIPT;
259 operation = SMIME_RESIGN;
262 operation = SMIME_VERIFY;
264 case OPT_VERIFY_RETCODE:
267 case OPT_VERIFY_RECEIPT:
268 operation = SMIME_VERIFY_RECEIPT;
272 operation = SMIME_CMSOUT;
275 operation = SMIME_DATAOUT;
277 case OPT_DATA_CREATE:
278 operation = SMIME_DATA_CREATE;
280 case OPT_DIGEST_VERIFY:
281 operation = SMIME_DIGEST_VERIFY;
283 case OPT_DIGEST_CREATE:
284 operation = SMIME_DIGEST_CREATE;
287 operation = SMIME_COMPRESS;
290 operation = SMIME_UNCOMPRESS;
293 operation = SMIME_ENCRYPTED_DECRYPT;
296 operation = SMIME_ENCRYPTED_ENCRYPT;
298 case OPT_DEBUG_DECRYPT:
299 flags |= CMS_DEBUG_DECRYPT;
305 flags |= CMS_ASCIICRLF;
308 flags |= CMS_NOINTERN;
311 flags |= CMS_NO_SIGNER_CERT_VERIFY;
314 flags |= CMS_NOCERTS;
320 flags &= ~CMS_DETACHED;
323 flags |= CMS_NOSMIMECAP;
329 flags |= CMS_USE_KEYID;
334 case OPT_NO_CONTENT_VERIFY:
335 flags |= CMS_NO_CONTENT_VERIFY;
337 case OPT_NO_ATTR_VERIFY:
338 flags |= CMS_NO_ATTR_VERIFY;
344 flags &= ~CMS_STREAM;
348 flags |= CMS_CRLFEOL;
363 if (rctformat == FORMAT_SMIME)
364 rcms = SMIME_read_CMS(rctin, NULL);
365 else if (rctformat == FORMAT_PEM)
366 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
367 else if (rctformat == FORMAT_ASN1)
368 if (!opt_format(opt_arg(),
369 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
373 certfile = opt_arg();
391 contfile = opt_arg();
395 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
397 sk_OPENSSL_STRING_push(rr_from, opt_arg());
401 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
403 sk_OPENSSL_STRING_push(rr_to, opt_arg());
409 if (secret_key != NULL) {
410 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
414 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp);
415 if (secret_key == NULL) {
416 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
419 secret_keylen = (size_t)ltmp;
421 case OPT_SECRETKEYID:
422 if (secret_keyid != NULL) {
423 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
427 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
428 if (secret_keyid == NULL) {
429 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
432 secret_keyidlen = (size_t)ltmp;
434 case OPT_PWRI_PASSWORD:
435 pwri_pass = (unsigned char *)opt_arg();
437 case OPT_ECONTENT_TYPE:
438 if (econtent_type != NULL) {
439 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
443 econtent_type = OBJ_txt2obj(opt_arg(), 0);
444 if (econtent_type == NULL) {
445 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
450 e = setup_engine(opt_arg(), 0);
453 passinarg = opt_arg();
465 certsoutfile = opt_arg();
468 if (!opt_md(opt_arg(), &sign_md))
472 /* If previous -signer argument add signer to list */
473 if (signerfile != NULL) {
474 if (sksigners == NULL
475 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
477 sk_OPENSSL_STRING_push(sksigners, signerfile);
479 keyfile = signerfile;
481 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
483 sk_OPENSSL_STRING_push(skkeys, keyfile);
486 signerfile = opt_arg();
489 /* If previous -inkey argument add signer to list */
490 if (keyfile != NULL) {
491 if (signerfile == NULL) {
492 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
495 if (sksigners == NULL
496 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
498 sk_OPENSSL_STRING_push(sksigners, signerfile);
501 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
503 sk_OPENSSL_STRING_push(skkeys, keyfile);
508 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
512 if (operation == SMIME_ENCRYPT) {
513 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
515 cert = load_cert(opt_arg(), FORMAT_PEM,
516 "recipient certificate file");
519 sk_X509_push(encerts, cert);
522 recipfile = opt_arg();
526 if (!opt_cipher(opt_unknown(), &cipher))
531 if (operation == SMIME_ENCRYPT) {
533 keyidx += sk_X509_num(encerts);
535 if (keyfile != NULL || signerfile != NULL)
538 keyidx += sk_OPENSSL_STRING_num(skkeys);
541 BIO_printf(bio_err, "No key specified\n");
544 if (key_param == NULL || key_param->idx != keyidx) {
545 cms_key_param *nparam;
546 nparam = app_malloc(sizeof(*nparam), "key param buffer");
547 nparam->idx = keyidx;
548 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
551 if (key_first == NULL)
554 key_param->next = nparam;
557 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
560 if (!opt_verify(o, vpm))
569 # ifndef OPENSSL_NO_DES
570 wrap_cipher = EVP_des_ede3_wrap();
573 case OPT_AES128_WRAP:
574 wrap_cipher = EVP_aes_128_wrap();
576 case OPT_AES192_WRAP:
577 wrap_cipher = EVP_aes_192_wrap();
579 case OPT_AES256_WRAP:
580 wrap_cipher = EVP_aes_256_wrap();
584 argc = opt_num_rest();
587 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
588 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
592 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
593 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
596 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
597 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
601 if (operation & SMIME_SIGNERS) {
602 if (keyfile != NULL && signerfile == NULL) {
603 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
606 /* Check to see if any final signer needs to be appended */
607 if (signerfile != NULL) {
608 if (sksigners == NULL
609 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
611 sk_OPENSSL_STRING_push(sksigners, signerfile);
612 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
615 keyfile = signerfile;
616 sk_OPENSSL_STRING_push(skkeys, keyfile);
618 if (sksigners == NULL) {
619 BIO_printf(bio_err, "No signer certificate specified\n");
624 } else if (operation == SMIME_DECRYPT) {
625 if (recipfile == NULL && keyfile == NULL
626 && secret_key == NULL && pwri_pass == NULL) {
628 "No recipient certificate or key specified\n");
631 } else if (operation == SMIME_ENCRYPT) {
632 if (*argv == NULL && secret_key == NULL
633 && pwri_pass == NULL && encerts == NULL) {
634 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
637 } else if (!operation) {
641 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
642 BIO_printf(bio_err, "Error getting password\n");
648 if (!(operation & SMIME_SIGNERS))
649 flags &= ~CMS_DETACHED;
651 if (!(operation & SMIME_OP))
652 if (flags & CMS_BINARY)
653 outformat = FORMAT_BINARY;
655 if (!(operation & SMIME_IP))
656 if (flags & CMS_BINARY)
657 informat = FORMAT_BINARY;
659 if (operation == SMIME_ENCRYPT) {
661 # ifndef OPENSSL_NO_DES
662 cipher = EVP_des_ede3_cbc();
664 BIO_printf(bio_err, "No cipher selected\n");
669 if (secret_key && !secret_keyid) {
670 BIO_printf(bio_err, "No secret key id\n");
674 if (*argv && encerts == NULL)
675 if ((encerts = sk_X509_new_null()) == NULL)
678 if ((cert = load_cert(*argv, FORMAT_PEM,
679 "recipient certificate file")) == NULL)
681 sk_X509_push(encerts, cert);
687 if (certfile != NULL) {
688 if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
689 "certificate file")) {
690 ERR_print_errors(bio_err);
695 if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
696 if ((recip = load_cert(recipfile, FORMAT_PEM,
697 "recipient certificate file")) == NULL) {
698 ERR_print_errors(bio_err);
703 if (operation == SMIME_SIGN_RECEIPT) {
704 if ((signer = load_cert(signerfile, FORMAT_PEM,
705 "receipt signer certificate file")) == NULL) {
706 ERR_print_errors(bio_err);
711 if (operation == SMIME_DECRYPT) {
714 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
716 keyfile = signerfile;
721 if (keyfile != NULL) {
722 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
727 in = bio_open_default(infile, 'r', informat);
731 if (operation & SMIME_IP) {
732 if (informat == FORMAT_SMIME) {
733 cms = SMIME_read_CMS(in, &indata);
734 } else if (informat == FORMAT_PEM) {
735 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
736 } else if (informat == FORMAT_ASN1) {
737 cms = d2i_CMS_bio(in, NULL);
739 BIO_printf(bio_err, "Bad input format for CMS file\n");
744 BIO_printf(bio_err, "Error reading S/MIME message\n");
747 if (contfile != NULL) {
749 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
750 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
754 if (certsoutfile != NULL) {
755 STACK_OF(X509) *allcerts;
756 allcerts = CMS_get1_certs(cms);
757 if (!save_certs(certsoutfile, allcerts)) {
759 "Error writing certs to %s\n", certsoutfile);
763 sk_X509_pop_free(allcerts, X509_free);
767 if (rctfile != NULL) {
768 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
769 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
770 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
774 if (rctformat == FORMAT_SMIME) {
775 rcms = SMIME_read_CMS(rctin, NULL);
776 } else if (rctformat == FORMAT_PEM) {
777 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
778 } else if (rctformat == FORMAT_ASN1) {
779 rcms = d2i_CMS_bio(rctin, NULL);
781 BIO_printf(bio_err, "Bad input format for receipt\n");
786 BIO_printf(bio_err, "Error reading receipt\n");
791 out = bio_open_default(outfile, 'w', outformat);
795 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
796 if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
798 X509_STORE_set_verify_cb(store, cms_cb);
800 X509_STORE_set1_param(store, vpm);
805 if (operation == SMIME_DATA_CREATE) {
806 cms = CMS_data_create(in, flags);
807 } else if (operation == SMIME_DIGEST_CREATE) {
808 cms = CMS_digest_create(in, sign_md, flags);
809 } else if (operation == SMIME_COMPRESS) {
810 cms = CMS_compress(in, -1, flags);
811 } else if (operation == SMIME_ENCRYPT) {
813 flags |= CMS_PARTIAL;
814 cms = CMS_encrypt(NULL, in, cipher, flags);
817 for (i = 0; i < sk_X509_num(encerts); i++) {
818 CMS_RecipientInfo *ri;
819 cms_key_param *kparam;
821 X509 *x = sk_X509_value(encerts, i);
822 for (kparam = key_first; kparam; kparam = kparam->next) {
823 if (kparam->idx == i) {
824 tflags |= CMS_KEY_PARAM;
828 ri = CMS_add1_recipient_cert(cms, x, tflags);
831 if (kparam != NULL) {
833 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
834 if (!cms_set_pkey_param(pctx, kparam->param))
837 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
839 EVP_CIPHER_CTX *wctx;
840 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
841 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
845 if (secret_key != NULL) {
846 if (!CMS_add0_recipient_key(cms, NID_undef,
847 secret_key, secret_keylen,
848 secret_keyid, secret_keyidlen,
851 /* NULL these because call absorbs them */
855 if (pwri_pass != NULL) {
856 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
857 if (pwri_tmp == NULL)
859 if (CMS_add0_recipient_password(cms,
860 -1, NID_undef, NID_undef,
861 pwri_tmp, -1, NULL) == NULL)
865 if (!(flags & CMS_STREAM)) {
866 if (!CMS_final(cms, in, NULL, flags))
869 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
870 cms = CMS_EncryptedData_encrypt(in, cipher,
871 secret_key, secret_keylen, flags);
873 } else if (operation == SMIME_SIGN_RECEIPT) {
874 CMS_ContentInfo *srcms = NULL;
875 STACK_OF(CMS_SignerInfo) *sis;
877 sis = CMS_get0_SignerInfos(cms);
880 si = sk_CMS_SignerInfo_value(sis, 0);
881 srcms = CMS_sign_receipt(si, signer, key, other, flags);
884 CMS_ContentInfo_free(cms);
886 } else if (operation & SMIME_SIGNERS) {
889 * If detached data content we enable streaming if S/MIME output
892 if (operation == SMIME_SIGN) {
894 if (flags & CMS_DETACHED) {
895 if (outformat == FORMAT_SMIME)
898 flags |= CMS_PARTIAL;
899 cms = CMS_sign(NULL, NULL, other, in, flags);
902 if (econtent_type != NULL)
903 CMS_set1_eContentType(cms, econtent_type);
906 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
909 "Signed Receipt Request Creation Error\n");
914 flags |= CMS_REUSE_DIGEST;
916 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
918 cms_key_param *kparam;
920 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
921 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
923 signer = load_cert(signerfile, FORMAT_PEM, "signer certificate");
926 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
929 for (kparam = key_first; kparam; kparam = kparam->next) {
930 if (kparam->idx == i) {
931 tflags |= CMS_KEY_PARAM;
935 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
938 if (kparam != NULL) {
940 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
941 if (!cms_set_pkey_param(pctx, kparam->param))
944 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
951 /* If not streaming or resigning finalize structure */
952 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
953 if (!CMS_final(cms, in, NULL, flags))
959 BIO_printf(bio_err, "Error creating CMS structure\n");
964 if (operation == SMIME_DECRYPT) {
965 if (flags & CMS_DEBUG_DECRYPT)
966 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
968 if (secret_key != NULL) {
969 if (!CMS_decrypt_set1_key(cms,
970 secret_key, secret_keylen,
971 secret_keyid, secret_keyidlen)) {
972 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
978 if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
979 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
984 if (pwri_pass != NULL) {
985 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
986 BIO_puts(bio_err, "Error decrypting CMS using password\n");
991 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
992 BIO_printf(bio_err, "Error decrypting CMS structure\n");
995 } else if (operation == SMIME_DATAOUT) {
996 if (!CMS_data(cms, out, flags))
998 } else if (operation == SMIME_UNCOMPRESS) {
999 if (!CMS_uncompress(cms, indata, out, flags))
1001 } else if (operation == SMIME_DIGEST_VERIFY) {
1002 if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1003 BIO_printf(bio_err, "Verification successful\n");
1005 BIO_printf(bio_err, "Verification failure\n");
1008 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1009 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1010 indata, out, flags))
1012 } else if (operation == SMIME_VERIFY) {
1013 if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1014 BIO_printf(bio_err, "Verification successful\n");
1016 BIO_printf(bio_err, "Verification failure\n");
1018 ret = verify_err + 32;
1021 if (signerfile != NULL) {
1022 STACK_OF(X509) *signers;
1023 signers = CMS_get0_signers(cms);
1024 if (!save_certs(signerfile, signers)) {
1026 "Error writing signers to %s\n", signerfile);
1030 sk_X509_free(signers);
1033 receipt_request_print(cms);
1035 } else if (operation == SMIME_VERIFY_RECEIPT) {
1036 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1037 BIO_printf(bio_err, "Verification successful\n");
1039 BIO_printf(bio_err, "Verification failure\n");
1045 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1046 } else if (outformat == FORMAT_SMIME) {
1048 BIO_printf(out, "To: %s%s", to, mime_eol);
1050 BIO_printf(out, "From: %s%s", from, mime_eol);
1052 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1053 if (operation == SMIME_RESIGN)
1054 ret = SMIME_write_CMS(out, cms, indata, flags);
1056 ret = SMIME_write_CMS(out, cms, in, flags);
1057 } else if (outformat == FORMAT_PEM) {
1058 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1059 } else if (outformat == FORMAT_ASN1) {
1060 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1062 BIO_printf(bio_err, "Bad output format for CMS file\n");
1073 ERR_print_errors(bio_err);
1074 sk_X509_pop_free(encerts, X509_free);
1075 sk_X509_pop_free(other, X509_free);
1076 X509_VERIFY_PARAM_free(vpm);
1077 sk_OPENSSL_STRING_free(sksigners);
1078 sk_OPENSSL_STRING_free(skkeys);
1079 OPENSSL_free(secret_key);
1080 OPENSSL_free(secret_keyid);
1081 OPENSSL_free(pwri_tmp);
1082 ASN1_OBJECT_free(econtent_type);
1083 CMS_ReceiptRequest_free(rr);
1084 sk_OPENSSL_STRING_free(rr_to);
1085 sk_OPENSSL_STRING_free(rr_from);
1086 for (key_param = key_first; key_param;) {
1087 cms_key_param *tparam;
1088 sk_OPENSSL_STRING_free(key_param->param);
1089 tparam = key_param->next;
1090 OPENSSL_free(key_param);
1093 X509_STORE_free(store);
1098 CMS_ContentInfo_free(cms);
1099 CMS_ContentInfo_free(rcms);
1105 OPENSSL_free(passin);
1109 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1113 if (signerfile == NULL)
1115 tmp = BIO_new_file(signerfile, "w");
1118 for (i = 0; i < sk_X509_num(signers); i++)
1119 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1124 /* Minimal callback just to output policy info (if any) */
1126 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1130 error = X509_STORE_CTX_get_error(ctx);
1134 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1135 && ((error != X509_V_OK) || (ok != 2)))
1138 policies_print(ctx);
1144 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1146 STACK_OF(GENERAL_NAME) *gens;
1150 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1151 gens = sk_GENERAL_NAMES_value(gns, i);
1152 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1153 gen = sk_GENERAL_NAME_value(gens, j);
1154 BIO_puts(bio_err, " ");
1155 GENERAL_NAME_print(bio_err, gen);
1156 BIO_puts(bio_err, "\n");
1162 static void receipt_request_print(CMS_ContentInfo *cms)
1164 STACK_OF(CMS_SignerInfo) *sis;
1166 CMS_ReceiptRequest *rr;
1168 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1171 sis = CMS_get0_SignerInfos(cms);
1172 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1173 si = sk_CMS_SignerInfo_value(sis, i);
1174 rv = CMS_get1_ReceiptRequest(si, &rr);
1175 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1177 BIO_puts(bio_err, " No Receipt Request\n");
1178 } else if (rv < 0) {
1179 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1180 ERR_print_errors(bio_err);
1184 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1186 BIO_puts(bio_err, " Signed Content ID:\n");
1187 idlen = ASN1_STRING_length(scid);
1188 id = (const char *)ASN1_STRING_get0_data(scid);
1189 BIO_dump_indent(bio_err, id, idlen, 4);
1190 BIO_puts(bio_err, " Receipts From");
1191 if (rlist != NULL) {
1192 BIO_puts(bio_err, " List:\n");
1193 gnames_stack_print(rlist);
1194 } else if (allorfirst == 1) {
1195 BIO_puts(bio_err, ": First Tier\n");
1196 } else if (allorfirst == 0) {
1197 BIO_puts(bio_err, ": All\n");
1199 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1201 BIO_puts(bio_err, " Receipts To:\n");
1202 gnames_stack_print(rto);
1204 CMS_ReceiptRequest_free(rr);
1208 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1211 STACK_OF(GENERAL_NAMES) *ret;
1212 GENERAL_NAMES *gens = NULL;
1213 GENERAL_NAME *gen = NULL;
1214 ret = sk_GENERAL_NAMES_new_null();
1217 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1218 char *str = sk_OPENSSL_STRING_value(ns, i);
1219 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1222 gens = GENERAL_NAMES_new();
1225 if (!sk_GENERAL_NAME_push(gens, gen))
1228 if (!sk_GENERAL_NAMES_push(ret, gens))
1236 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1237 GENERAL_NAMES_free(gens);
1238 GENERAL_NAME_free(gen);
1242 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1243 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1246 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1247 CMS_ReceiptRequest *rr;
1248 rct_to = make_names_stack(rr_to);
1251 if (rr_from != NULL) {
1252 rct_from = make_names_stack(rr_from);
1253 if (rct_from == NULL)
1258 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1262 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1266 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1267 STACK_OF(OPENSSL_STRING) *param)
1271 if (sk_OPENSSL_STRING_num(param) <= 0)
1273 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1274 keyopt = sk_OPENSSL_STRING_value(param, i);
1275 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1276 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1277 ERR_print_errors(bio_err);