2 * Copyright 2008-2016 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_NOOLDMIME, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
76 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
77 OPT_CAPATH, OPT_NOCAPATH, OPT_NOCAFILE,OPT_CONTENT, OPT_PRINT,
78 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
79 OPT_RAND, OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
80 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
81 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
82 OPT_3DES_WRAP, OPT_ENGINE,
87 OPTIONS cms_options[] = {
88 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
89 {OPT_HELP_STR, 1, '-',
90 " cert.pem... recipient certs for encryption\n"},
91 {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
92 {"help", OPT_HELP, '-', "Display this summary"},
93 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
94 {"outform", OPT_OUTFORM, 'c',
95 "Output format SMIME (default), PEM or DER"},
96 {"in", OPT_IN, '<', "Input file"},
97 {"out", OPT_OUT, '>', "Output file"},
98 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
99 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
100 {"sign", OPT_SIGN, '-', "Sign message"},
101 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
102 {"resign", OPT_RESIGN, '-'},
103 {"verify", OPT_VERIFY, '-', "Verify signed message"},
104 {"verify_retcode", OPT_VERIFY_RETCODE, '-'},
105 {"verify_receipt", OPT_VERIFY_RECEIPT, '<'},
106 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
107 {"data_out", OPT_DATA_OUT, '-'},
108 {"data_create", OPT_DATA_CREATE, '-'},
109 {"digest_verify", OPT_DIGEST_VERIFY, '-'},
110 {"digest_create", OPT_DIGEST_CREATE, '-'},
111 {"compress", OPT_COMPRESS, '-'},
112 {"uncompress", OPT_UNCOMPRESS, '-'},
113 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-'},
114 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-'},
115 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-'},
116 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
117 {"asciicrlf", OPT_ASCIICRLF, '-'},
118 {"nointern", OPT_NOINTERN, '-',
119 "Don't search certificates in message for signer"},
120 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
121 {"nocerts", OPT_NOCERTS, '-',
122 "Don't include signers certificate when signing"},
123 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
124 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
125 {"nosmimecap", OPT_NOSMIMECAP, '-'},
126 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
127 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
128 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
129 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-'},
130 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-'},
131 {"stream", OPT_INDEF, '-'},
132 {"indef", OPT_INDEF, '-'},
133 {"noindef", OPT_NOINDEF, '-'},
134 {"nooldmime", OPT_NOOLDMIME, '-'},
135 {"crlfeol", OPT_CRLFEOL, '-'},
136 {"noout", OPT_NOOUT, '-', "For the -cmsout operation do not output the parsed CMS structure"},
137 {"receipt_request_print", OPT_RR_PRINT, '-'},
138 {"receipt_request_all", OPT_RR_ALL, '-'},
139 {"receipt_request_first", OPT_RR_FIRST, '-'},
140 {"rctform", OPT_RCTFORM, 'F'},
141 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
142 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
143 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
144 {"no-CAfile", OPT_NOCAFILE, '-',
145 "Do not load the default certificates file"},
146 {"no-CApath", OPT_NOCAPATH, '-',
147 "Do not load certificates from the default certificates directory"},
148 {"content", OPT_CONTENT, '<',
149 "Supply or override content for detached signature"},
150 {"print", OPT_PRINT, '-', "For the -cmsout operation print out all fields of the CMS structure"},
151 {"secretkey", OPT_SECRETKEY, 's'},
152 {"secretkeyid", OPT_SECRETKEYID, 's'},
153 {"pwri_password", OPT_PWRI_PASSWORD, 's'},
154 {"econtent_type", OPT_ECONTENT_TYPE, 's'},
155 {"rand", OPT_RAND, 's',
156 "Load the file(s) into the random number generator"},
157 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
158 {"to", OPT_TO, 's', "To address"},
159 {"from", OPT_FROM, 's', "From address"},
160 {"subject", OPT_SUBJECT, 's', "Subject"},
161 {"signer", OPT_SIGNER, 's', "Signer certificate file"},
162 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
163 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
164 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
165 {"inkey", OPT_INKEY, 's',
166 "Input private key (if not signer or recipient)"},
167 {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
168 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
169 {"receipt_request_from", OPT_RR_FROM, 's'},
170 {"receipt_request_to", OPT_RR_TO, 's'},
171 {"", OPT_CIPHER, '-', "Any supported cipher"},
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 char *CAfile = NULL, *CApath = NULL, *certsoutfile = NULL;
203 int noCAfile = 0, noCApath = 0;
204 char *infile = NULL, *outfile = NULL, *rctfile = NULL, *inrand = NULL;
205 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile =
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 =
211 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
212 int need_rand = 0, operation = 0, ret = 1, rr_print = 0, rr_allorfirst =
214 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
215 size_t secret_keylen = 0, secret_keyidlen = 0;
216 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
217 unsigned char *secret_key = NULL, *secret_keyid = NULL;
219 const char *mime_eol = "\n";
222 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
225 prog = opt_init(argc, argv, cms_options);
226 while ((o = opt_next()) != OPT_EOF) {
231 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
234 opt_help(cms_options);
238 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
242 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
249 operation = SMIME_ENCRYPT;
252 operation = SMIME_DECRYPT;
255 operation = SMIME_SIGN;
257 case OPT_SIGN_RECEIPT:
258 operation = SMIME_SIGN_RECEIPT;
261 operation = SMIME_RESIGN;
264 operation = SMIME_VERIFY;
266 case OPT_VERIFY_RETCODE:
269 case OPT_VERIFY_RECEIPT:
270 operation = SMIME_VERIFY_RECEIPT;
274 operation = SMIME_CMSOUT;
277 operation = SMIME_DATAOUT;
279 case OPT_DATA_CREATE:
280 operation = SMIME_DATA_CREATE;
282 case OPT_DIGEST_VERIFY:
283 operation = SMIME_DIGEST_VERIFY;
285 case OPT_DIGEST_CREATE:
286 operation = SMIME_DIGEST_CREATE;
289 operation = SMIME_COMPRESS;
292 operation = SMIME_UNCOMPRESS;
295 operation = SMIME_ENCRYPTED_DECRYPT;
298 operation = SMIME_ENCRYPTED_ENCRYPT;
300 case OPT_DEBUG_DECRYPT:
301 flags |= CMS_DEBUG_DECRYPT;
307 flags |= CMS_ASCIICRLF;
310 flags |= CMS_NOINTERN;
313 flags |= CMS_NO_SIGNER_CERT_VERIFY;
316 flags |= CMS_NOCERTS;
322 flags &= ~CMS_DETACHED;
325 flags |= CMS_NOSMIMECAP;
331 flags |= CMS_USE_KEYID;
336 case OPT_NO_CONTENT_VERIFY:
337 flags |= CMS_NO_CONTENT_VERIFY;
339 case OPT_NO_ATTR_VERIFY:
340 flags |= CMS_NO_ATTR_VERIFY;
346 flags &= ~CMS_STREAM;
349 flags |= CMS_NOOLDMIMETYPE;
353 flags |= CMS_CRLFEOL;
368 if (rctformat == FORMAT_SMIME)
369 rcms = SMIME_read_CMS(rctin, NULL);
370 else if (rctformat == FORMAT_PEM)
371 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
372 else if (rctformat == FORMAT_ASN1)
373 if (!opt_format(opt_arg(),
374 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
378 certfile = opt_arg();
396 contfile = opt_arg();
400 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
402 sk_OPENSSL_STRING_push(rr_from, opt_arg());
406 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
408 sk_OPENSSL_STRING_push(rr_to, opt_arg());
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 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
423 if (secret_keyid == NULL) {
424 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
427 secret_keyidlen = (size_t)ltmp;
429 case OPT_PWRI_PASSWORD:
430 pwri_pass = (unsigned char *)opt_arg();
432 case OPT_ECONTENT_TYPE:
433 econtent_type = OBJ_txt2obj(opt_arg(), 0);
434 if (econtent_type == NULL) {
435 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
444 e = setup_engine(opt_arg(), 0);
447 passinarg = opt_arg();
459 certsoutfile = opt_arg();
462 if (!opt_md(opt_arg(), &sign_md))
466 /* If previous -signer argument add signer to list */
468 if (sksigners == NULL
469 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
471 sk_OPENSSL_STRING_push(sksigners, signerfile);
473 keyfile = signerfile;
475 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
477 sk_OPENSSL_STRING_push(skkeys, keyfile);
480 signerfile = opt_arg();
483 /* If previous -inkey arument add signer to list */
485 if (signerfile == NULL) {
486 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
489 if (sksigners == NULL
490 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
492 sk_OPENSSL_STRING_push(sksigners, signerfile);
495 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
497 sk_OPENSSL_STRING_push(skkeys, keyfile);
502 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
506 if (operation == SMIME_ENCRYPT) {
507 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
509 cert = load_cert(opt_arg(), FORMAT_PEM,
510 "recipient certificate file");
513 sk_X509_push(encerts, cert);
516 recipfile = opt_arg();
519 if (!opt_cipher(opt_unknown(), &cipher))
524 if (operation == SMIME_ENCRYPT) {
526 keyidx += sk_X509_num(encerts);
528 if (keyfile || signerfile)
531 keyidx += sk_OPENSSL_STRING_num(skkeys);
534 BIO_printf(bio_err, "No key specified\n");
537 if (key_param == NULL || key_param->idx != keyidx) {
538 cms_key_param *nparam;
539 nparam = app_malloc(sizeof(*nparam), "key param buffer");
540 nparam->idx = keyidx;
541 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
544 if (key_first == NULL)
547 key_param->next = nparam;
550 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
553 if (!opt_verify(o, vpm))
558 # ifndef OPENSSL_NO_DES
559 wrap_cipher = EVP_des_ede3_wrap();
562 case OPT_AES128_WRAP:
563 wrap_cipher = EVP_aes_128_wrap();
565 case OPT_AES192_WRAP:
566 wrap_cipher = EVP_aes_192_wrap();
568 case OPT_AES256_WRAP:
569 wrap_cipher = EVP_aes_256_wrap();
573 argc = opt_num_rest();
576 if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
577 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
581 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
582 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
585 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
586 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
590 if (operation & SMIME_SIGNERS) {
591 if (keyfile && !signerfile) {
592 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
595 /* Check to see if any final signer needs to be appended */
598 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
600 sk_OPENSSL_STRING_push(sksigners, signerfile);
601 if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
604 keyfile = signerfile;
605 sk_OPENSSL_STRING_push(skkeys, keyfile);
608 BIO_printf(bio_err, "No signer certificate specified\n");
616 else if (operation == SMIME_DECRYPT) {
617 if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
619 "No recipient certificate or key specified\n");
622 } else if (operation == SMIME_ENCRYPT) {
623 if (*argv == NULL && !secret_key && !pwri_pass && !encerts) {
624 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
628 } else if (!operation)
631 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
632 BIO_printf(bio_err, "Error getting password\n");
637 app_RAND_load_file(NULL, (inrand != NULL));
639 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
640 app_RAND_load_files(inrand));
645 if (!(operation & SMIME_SIGNERS))
646 flags &= ~CMS_DETACHED;
648 if (!(operation & SMIME_OP)) {
649 if (flags & CMS_BINARY)
650 outformat = FORMAT_BINARY;
653 if (!(operation & SMIME_IP)) {
654 if (flags & CMS_BINARY)
655 informat = FORMAT_BINARY;
658 if (operation == SMIME_ENCRYPT) {
660 # ifndef OPENSSL_NO_DES
661 cipher = EVP_des_ede3_cbc();
663 BIO_printf(bio_err, "No cipher selected\n");
668 if (secret_key && !secret_keyid) {
669 BIO_printf(bio_err, "No secret key id\n");
673 if (*argv && !encerts)
674 if ((encerts = sk_X509_new_null()) == NULL)
677 if ((cert = load_cert(*argv, FORMAT_PEM,
678 "recipient certificate file")) == NULL)
680 sk_X509_push(encerts, cert);
687 if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
688 "certificate file")) {
689 ERR_print_errors(bio_err);
694 if (recipfile && (operation == SMIME_DECRYPT)) {
695 if ((recip = load_cert(recipfile, FORMAT_PEM,
696 "recipient certificate file")) == NULL) {
697 ERR_print_errors(bio_err);
702 if (operation == SMIME_SIGN_RECEIPT) {
703 if ((signer = load_cert(signerfile, FORMAT_PEM,
704 "receipt signer certificate file")) == NULL) {
705 ERR_print_errors(bio_err);
710 if (operation == SMIME_DECRYPT) {
713 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
715 keyfile = signerfile;
720 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
725 in = bio_open_default(infile, 'r', informat);
729 if (operation & SMIME_IP) {
730 if (informat == FORMAT_SMIME)
731 cms = SMIME_read_CMS(in, &indata);
732 else if (informat == FORMAT_PEM)
733 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
734 else if (informat == FORMAT_ASN1)
735 cms = d2i_CMS_bio(in, NULL);
737 BIO_printf(bio_err, "Bad input format for CMS file\n");
742 BIO_printf(bio_err, "Error reading S/MIME message\n");
747 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
748 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
753 STACK_OF(X509) *allcerts;
754 allcerts = CMS_get1_certs(cms);
755 if (!save_certs(certsoutfile, allcerts)) {
757 "Error writing certs to %s\n", certsoutfile);
761 sk_X509_pop_free(allcerts, X509_free);
766 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
767 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
768 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
772 if (rctformat == FORMAT_SMIME)
773 rcms = SMIME_read_CMS(rctin, NULL);
774 else if (rctformat == FORMAT_PEM)
775 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
776 else if (rctformat == FORMAT_ASN1)
777 rcms = d2i_CMS_bio(rctin, NULL);
779 BIO_printf(bio_err, "Bad input format for receipt\n");
784 BIO_printf(bio_err, "Error reading receipt\n");
789 out = bio_open_default(outfile, 'w', outformat);
793 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
794 if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
796 X509_STORE_set_verify_cb(store, cms_cb);
798 X509_STORE_set1_param(store, vpm);
803 if (operation == SMIME_DATA_CREATE) {
804 cms = CMS_data_create(in, flags);
805 } else if (operation == SMIME_DIGEST_CREATE) {
806 cms = CMS_digest_create(in, sign_md, flags);
807 } else if (operation == SMIME_COMPRESS) {
808 cms = CMS_compress(in, -1, flags);
809 } else if (operation == SMIME_ENCRYPT) {
811 flags |= CMS_PARTIAL;
812 cms = CMS_encrypt(NULL, in, cipher, flags);
815 for (i = 0; i < sk_X509_num(encerts); i++) {
816 CMS_RecipientInfo *ri;
817 cms_key_param *kparam;
819 X509 *x = sk_X509_value(encerts, i);
820 for (kparam = key_first; kparam; kparam = kparam->next) {
821 if (kparam->idx == i) {
822 tflags |= CMS_KEY_PARAM;
826 ri = CMS_add1_recipient_cert(cms, x, tflags);
831 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
832 if (!cms_set_pkey_param(pctx, kparam->param))
835 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
837 EVP_CIPHER_CTX *wctx;
838 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
839 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
844 if (!CMS_add0_recipient_key(cms, NID_undef,
845 secret_key, secret_keylen,
846 secret_keyid, secret_keyidlen,
849 /* NULL these because call absorbs them */
854 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
857 if (!CMS_add0_recipient_password(cms,
858 -1, NID_undef, NID_undef,
863 if (!(flags & CMS_STREAM)) {
864 if (!CMS_final(cms, in, NULL, flags))
867 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
868 cms = CMS_EncryptedData_encrypt(in, cipher,
869 secret_key, secret_keylen, flags);
871 } else if (operation == SMIME_SIGN_RECEIPT) {
872 CMS_ContentInfo *srcms = NULL;
873 STACK_OF(CMS_SignerInfo) *sis;
875 sis = CMS_get0_SignerInfos(cms);
878 si = sk_CMS_SignerInfo_value(sis, 0);
879 srcms = CMS_sign_receipt(si, signer, key, other, flags);
882 CMS_ContentInfo_free(cms);
884 } else if (operation & SMIME_SIGNERS) {
887 * If detached data content we enable streaming if S/MIME output
890 if (operation == SMIME_SIGN) {
892 if (flags & CMS_DETACHED) {
893 if (outformat == FORMAT_SMIME)
896 flags |= CMS_PARTIAL;
897 cms = CMS_sign(NULL, NULL, other, in, flags);
901 CMS_set1_eContentType(cms, econtent_type);
904 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
907 "Signed Receipt Request Creation Error\n");
912 flags |= CMS_REUSE_DIGEST;
913 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
915 cms_key_param *kparam;
917 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
918 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
920 signer = load_cert(signerfile, FORMAT_PEM, "signer certificate");
923 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
926 for (kparam = key_first; kparam; kparam = kparam->next) {
927 if (kparam->idx == i) {
928 tflags |= CMS_KEY_PARAM;
932 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
937 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
938 if (!cms_set_pkey_param(pctx, kparam->param))
941 if (rr && !CMS_add1_ReceiptRequest(si, rr))
948 /* If not streaming or resigning finalize structure */
949 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
950 if (!CMS_final(cms, in, NULL, flags))
956 BIO_printf(bio_err, "Error creating CMS structure\n");
961 if (operation == SMIME_DECRYPT) {
962 if (flags & CMS_DEBUG_DECRYPT)
963 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
966 if (!CMS_decrypt_set1_key(cms,
967 secret_key, secret_keylen,
968 secret_keyid, secret_keyidlen)) {
969 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
975 if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
976 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
982 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
983 BIO_puts(bio_err, "Error decrypting CMS using password\n");
988 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
989 BIO_printf(bio_err, "Error decrypting CMS structure\n");
992 } else if (operation == SMIME_DATAOUT) {
993 if (!CMS_data(cms, out, flags))
995 } else if (operation == SMIME_UNCOMPRESS) {
996 if (!CMS_uncompress(cms, indata, out, flags))
998 } else if (operation == SMIME_DIGEST_VERIFY) {
999 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1000 BIO_printf(bio_err, "Verification successful\n");
1002 BIO_printf(bio_err, "Verification failure\n");
1005 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1006 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1007 indata, out, flags))
1009 } else if (operation == SMIME_VERIFY) {
1010 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1011 BIO_printf(bio_err, "Verification successful\n");
1013 BIO_printf(bio_err, "Verification failure\n");
1015 ret = verify_err + 32;
1019 STACK_OF(X509) *signers;
1020 signers = CMS_get0_signers(cms);
1021 if (!save_certs(signerfile, signers)) {
1023 "Error writing signers to %s\n", signerfile);
1027 sk_X509_free(signers);
1030 receipt_request_print(cms);
1032 } else if (operation == SMIME_VERIFY_RECEIPT) {
1033 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1034 BIO_printf(bio_err, "Verification successful\n");
1036 BIO_printf(bio_err, "Verification failure\n");
1042 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1043 } else if (outformat == FORMAT_SMIME) {
1045 BIO_printf(out, "To: %s%s", to, mime_eol);
1047 BIO_printf(out, "From: %s%s", from, mime_eol);
1049 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1050 if (operation == SMIME_RESIGN)
1051 ret = SMIME_write_CMS(out, cms, indata, flags);
1053 ret = SMIME_write_CMS(out, cms, in, flags);
1054 } else if (outformat == FORMAT_PEM)
1055 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1056 else if (outformat == FORMAT_ASN1)
1057 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1059 BIO_printf(bio_err, "Bad output format for CMS file\n");
1070 ERR_print_errors(bio_err);
1072 app_RAND_write_file(NULL);
1073 sk_X509_pop_free(encerts, X509_free);
1074 sk_X509_pop_free(other, X509_free);
1075 X509_VERIFY_PARAM_free(vpm);
1076 sk_OPENSSL_STRING_free(sksigners);
1077 sk_OPENSSL_STRING_free(skkeys);
1078 OPENSSL_free(secret_key);
1079 OPENSSL_free(secret_keyid);
1080 OPENSSL_free(pwri_tmp);
1081 ASN1_OBJECT_free(econtent_type);
1082 CMS_ReceiptRequest_free(rr);
1083 sk_OPENSSL_STRING_free(rr_to);
1084 sk_OPENSSL_STRING_free(rr_from);
1085 for (key_param = key_first; key_param;) {
1086 cms_key_param *tparam;
1087 sk_OPENSSL_STRING_free(key_param->param);
1088 tparam = key_param->next;
1089 OPENSSL_free(key_param);
1092 X509_STORE_free(store);
1097 CMS_ContentInfo_free(cms);
1098 CMS_ContentInfo_free(rcms);
1103 OPENSSL_free(passin);
1107 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1113 tmp = BIO_new_file(signerfile, "w");
1116 for (i = 0; i < sk_X509_num(signers); i++)
1117 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1122 /* Minimal callback just to output policy info (if any) */
1124 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1128 error = X509_STORE_CTX_get_error(ctx);
1132 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1133 && ((error != X509_V_OK) || (ok != 2)))
1136 policies_print(ctx);
1142 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1144 STACK_OF(GENERAL_NAME) *gens;
1148 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1149 gens = sk_GENERAL_NAMES_value(gns, i);
1150 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1151 gen = sk_GENERAL_NAME_value(gens, j);
1152 BIO_puts(bio_err, " ");
1153 GENERAL_NAME_print(bio_err, gen);
1154 BIO_puts(bio_err, "\n");
1160 static void receipt_request_print(CMS_ContentInfo *cms)
1162 STACK_OF(CMS_SignerInfo) *sis;
1164 CMS_ReceiptRequest *rr;
1166 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1169 sis = CMS_get0_SignerInfos(cms);
1170 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1171 si = sk_CMS_SignerInfo_value(sis, i);
1172 rv = CMS_get1_ReceiptRequest(si, &rr);
1173 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1175 BIO_puts(bio_err, " No Receipt Request\n");
1177 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1178 ERR_print_errors(bio_err);
1182 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1184 BIO_puts(bio_err, " Signed Content ID:\n");
1185 idlen = ASN1_STRING_length(scid);
1186 id = (char *)ASN1_STRING_data(scid);
1187 BIO_dump_indent(bio_err, id, idlen, 4);
1188 BIO_puts(bio_err, " Receipts From");
1190 BIO_puts(bio_err, " List:\n");
1191 gnames_stack_print(rlist);
1192 } else if (allorfirst == 1)
1193 BIO_puts(bio_err, ": First Tier\n");
1194 else if (allorfirst == 0)
1195 BIO_puts(bio_err, ": All\n");
1197 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1198 BIO_puts(bio_err, " Receipts To:\n");
1199 gnames_stack_print(rto);
1201 CMS_ReceiptRequest_free(rr);
1205 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1208 STACK_OF(GENERAL_NAMES) *ret;
1209 GENERAL_NAMES *gens = NULL;
1210 GENERAL_NAME *gen = NULL;
1211 ret = sk_GENERAL_NAMES_new_null();
1214 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1215 char *str = sk_OPENSSL_STRING_value(ns, i);
1216 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1219 gens = GENERAL_NAMES_new();
1222 if (!sk_GENERAL_NAME_push(gens, gen))
1225 if (!sk_GENERAL_NAMES_push(ret, gens))
1233 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1234 GENERAL_NAMES_free(gens);
1235 GENERAL_NAME_free(gen);
1239 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1240 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1243 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1244 CMS_ReceiptRequest *rr;
1245 rct_to = make_names_stack(rr_to);
1249 rct_from = make_names_stack(rr_from);
1254 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1258 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1262 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1263 STACK_OF(OPENSSL_STRING) *param)
1267 if (sk_OPENSSL_STRING_num(param) <= 0)
1269 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1270 keyopt = sk_OPENSSL_STRING_value(param, i);
1271 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1272 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1273 ERR_print_errors(bio_err);