2 * Copyright 2008-2020 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 DEFINE_STACK_OF(CMS_SignerInfo)
27 DEFINE_STACK_OF_STRING()
29 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
30 static int cms_cb(int ok, X509_STORE_CTX *ctx);
31 static void receipt_request_print(CMS_ContentInfo *cms);
32 static CMS_ReceiptRequest *make_receipt_request(
33 STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
34 STACK_OF(OPENSSL_STRING) *rr_from, OPENSSL_CTX *libctx, const char *propq);
35 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
36 STACK_OF(OPENSSL_STRING) *param);
38 # define SMIME_OP 0x10
39 # define SMIME_IP 0x20
40 # define SMIME_SIGNERS 0x40
41 # define SMIME_ENCRYPT (1 | SMIME_OP)
42 # define SMIME_DECRYPT (2 | SMIME_IP)
43 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
44 # define SMIME_VERIFY (4 | SMIME_IP)
45 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
46 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
47 # define SMIME_DATAOUT (7 | SMIME_IP)
48 # define SMIME_DATA_CREATE (8 | SMIME_OP)
49 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
50 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
51 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
52 # define SMIME_COMPRESS (12 | SMIME_OP)
53 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
54 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
55 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
56 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
58 static int verify_err = 0;
60 typedef struct cms_key_param_st cms_key_param;
62 struct cms_key_param_st {
64 STACK_OF(OPENSSL_STRING) *param;
68 typedef enum OPTION_choice {
69 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
70 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
71 OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
72 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
73 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
74 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
75 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
76 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
77 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
78 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
79 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
80 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
81 OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
82 OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT,
83 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
84 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
85 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
86 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
87 OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE,
89 OPT_PROV_ENUM, OPT_CONFIG,
95 const OPTIONS cms_options[] = {
96 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
98 OPT_SECTION("General"),
99 {"help", OPT_HELP, '-', "Display this summary"},
100 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
101 {"outform", OPT_OUTFORM, 'c',
102 "Output format SMIME (default), PEM or DER"},
103 {"in", OPT_IN, '<', "Input file"},
104 {"out", OPT_OUT, '>', "Output file"},
105 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
106 "Disable MMA protection and return an error if no recipient found"
107 " (see documentation)"},
108 {"stream", OPT_INDEF, '-', "Enable CMS streaming"},
109 {"indef", OPT_INDEF, '-', "Same as -stream"},
110 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
111 {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" },
112 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
113 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
114 {"CAstore", OPT_CASTORE, ':', "trusted certificates store URI"},
115 {"no-CAfile", OPT_NOCAFILE, '-',
116 "Do not load the default certificates file"},
117 {"no-CApath", OPT_NOCAPATH, '-',
118 "Do not load certificates from the default certificates directory"},
119 {"no-CAstore", OPT_NOCASTORE, '-',
120 "Do not load certificates from the default certificates store"},
121 # ifndef OPENSSL_NO_ENGINE
122 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
126 OPT_SECTION("Action"),
127 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
128 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
129 {"sign", OPT_SIGN, '-', "Sign message"},
130 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
131 {"resign", OPT_RESIGN, '-', "Resign a signed message"},
132 {"cades", OPT_CADES, '-', "Include signer certificate digest"},
133 {"verify", OPT_VERIFY, '-', "Verify signed message"},
134 {"verify_retcode", OPT_VERIFY_RETCODE, '-',
135 "Exit non-zero on verification failure"},
136 {"verify_receipt", OPT_VERIFY_RECEIPT, '<',
137 "Verify receipts; exit if receipt signatures do not verify"},
138 {"digest_verify", OPT_DIGEST_VERIFY, '-',
139 "Verify a CMS \"DigestedData\" object and output it"},
140 {"digest_create", OPT_DIGEST_CREATE, '-',
141 "Create a CMS \"DigestedData\" object"},
142 {"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
143 {"uncompress", OPT_UNCOMPRESS, '-',
144 "Uncompress a CMS \"CompressedData\" object"},
145 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
146 "Decrypt CMS \"EncryptedData\" object using symmetric key"},
147 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
148 "Create CMS \"EncryptedData\" object using symmetric key"},
149 {"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
150 {"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
151 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
152 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
153 "Do not verify signed content signatures"},
154 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
155 "Do not verify signed attribute signatures"},
156 {"nointern", OPT_NOINTERN, '-',
157 "Don't search certificates in message for signer"},
158 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
160 OPT_SECTION("Formatting"),
161 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
162 {"asciicrlf", OPT_ASCIICRLF, '-',
163 "Perform CRLF canonicalisation when signing"},
164 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
165 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
166 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
167 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
168 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
169 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
170 {"nocerts", OPT_NOCERTS, '-',
171 "Don't include signers certificate when signing"},
172 {"noout", OPT_NOOUT, '-',
173 "For the -cmsout operation do not output the parsed CMS structure"},
174 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
175 {"receipt_request_all", OPT_RR_ALL, '-',
176 "When signing, create a receipt request for all recipients"},
177 {"receipt_request_first", OPT_RR_FIRST, '-',
178 "When signing, create a receipt request for first recipient"},
179 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
180 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
181 {"content", OPT_CONTENT, '<',
182 "Supply or override content for detached signature"},
183 {"print", OPT_PRINT, '-',
184 "For the -cmsout operation print out all fields of the CMS structure"},
185 {"nameopt", OPT_NAMEOPT, 's',
186 "For the -print option specifies various strings printing options"},
187 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
189 OPT_SECTION("Keying"),
190 {"secretkey", OPT_SECRETKEY, 's',
191 "Use specified hex-encoded key to decrypt/encrypt recipients or content"},
192 {"secretkeyid", OPT_SECRETKEYID, 's',
193 "Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
194 {"pwri_password", OPT_PWRI_PASSWORD, 's',
195 "Specific password for recipient"},
196 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
197 {"inkey", OPT_INKEY, 's',
198 "Input private key (if not signer or recipient)"},
199 {"keyform", OPT_KEYFORM, 'f', "Input private key format (ENGINE, other values ignored)"},
200 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
202 OPT_SECTION("Mail header"),
203 {"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
204 {"to", OPT_TO, 's', "To address"},
205 {"from", OPT_FROM, 's', "From address"},
206 {"subject", OPT_SUBJECT, 's', "Subject"},
207 {"signer", OPT_SIGNER, 's', "Signer certificate file"},
208 {"originator", OPT_ORIGINATOR, 's', "Originator certificate file"},
209 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
210 {"receipt_request_from", OPT_RR_FROM, 's',
211 "Create signed receipt request with specified email address"},
212 {"receipt_request_to", OPT_RR_TO, 's',
213 "Create signed receipt targeted to specified address"},
215 OPT_SECTION("Encryption"),
216 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
217 {"", OPT_CIPHER, '-', "Any supported cipher"},
219 OPT_SECTION("Key-wrapping"),
220 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
221 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
222 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
223 # ifndef OPENSSL_NO_DES
224 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
226 {"wrap", OPT_WRAP, 's', "Any wrap cipher to wrap key"},
233 {"cert", 0, 0, "Recipient certs (optional; used only when encrypting)"},
237 static CMS_ContentInfo *load_content_info(int informat, BIO *in, BIO **indata,
239 OPENSSL_CTX *libctx, const char *propq)
241 CMS_ContentInfo *ret, *ci;
243 ret = CMS_ContentInfo_new_with_libctx(libctx, propq);
245 BIO_printf(bio_err, "Error allocating CMS_contentinfo\n");
250 ci = SMIME_read_CMS_ex(in, indata, &ret);
253 ci = PEM_read_bio_CMS(in, &ret, NULL, NULL);
256 ci = d2i_CMS_bio(in, &ret);
259 BIO_printf(bio_err, "Bad input format for %s\n", name);
263 BIO_printf(bio_err, "Error reading %s Content Info\n", name);
268 CMS_ContentInfo_free(ret);
272 int cms_main(int argc, char **argv)
275 ASN1_OBJECT *econtent_type = NULL;
276 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
277 CMS_ContentInfo *cms = NULL, *rcms = NULL;
278 CMS_ReceiptRequest *rr = NULL;
280 EVP_PKEY *key = NULL;
281 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
282 const EVP_MD *sign_md = NULL;
283 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
284 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
285 STACK_OF(X509) *encerts = NULL, *other = NULL;
286 X509 *cert = NULL, *recip = NULL, *signer = NULL, *originator = NULL;
287 X509_STORE *store = NULL;
288 X509_VERIFY_PARAM *vpm = NULL;
289 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
290 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
291 char *certsoutfile = NULL;
292 int noCAfile = 0, noCApath = 0, noCAstore = 0;
293 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
294 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *originatorfile = NULL, *recipfile = NULL;
295 char *to = NULL, *from = NULL, *subject = NULL, *prog;
296 cms_key_param *key_first = NULL, *key_param = NULL;
297 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
298 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
299 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
300 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
301 size_t secret_keylen = 0, secret_keyidlen = 0;
302 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
303 unsigned char *secret_key = NULL, *secret_keyid = NULL;
305 const char *mime_eol = "\n";
307 OPENSSL_CTX *libctx = app_get0_libctx();
308 const char *propq = app_get0_propq();
310 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
313 prog = opt_init(argc, argv, cms_options);
314 while ((o = opt_next()) != OPT_EOF) {
319 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
322 opt_help(cms_options);
326 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
330 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
337 operation = SMIME_ENCRYPT;
340 operation = SMIME_DECRYPT;
343 operation = SMIME_SIGN;
345 case OPT_SIGN_RECEIPT:
346 operation = SMIME_SIGN_RECEIPT;
349 operation = SMIME_RESIGN;
352 operation = SMIME_VERIFY;
354 case OPT_VERIFY_RETCODE:
357 case OPT_VERIFY_RECEIPT:
358 operation = SMIME_VERIFY_RECEIPT;
362 operation = SMIME_CMSOUT;
365 operation = SMIME_DATAOUT;
367 case OPT_DATA_CREATE:
368 operation = SMIME_DATA_CREATE;
370 case OPT_DIGEST_VERIFY:
371 operation = SMIME_DIGEST_VERIFY;
373 case OPT_DIGEST_CREATE:
374 operation = SMIME_DIGEST_CREATE;
377 operation = SMIME_COMPRESS;
380 operation = SMIME_UNCOMPRESS;
383 operation = SMIME_ENCRYPTED_DECRYPT;
386 operation = SMIME_ENCRYPTED_ENCRYPT;
388 case OPT_DEBUG_DECRYPT:
389 flags |= CMS_DEBUG_DECRYPT;
395 flags |= CMS_ASCIICRLF;
398 flags |= CMS_NOINTERN;
401 flags |= CMS_NO_SIGNER_CERT_VERIFY;
404 flags |= CMS_NOCERTS;
410 flags &= ~CMS_DETACHED;
413 flags |= CMS_NOSMIMECAP;
422 flags |= CMS_USE_KEYID;
427 case OPT_NO_CONTENT_VERIFY:
428 flags |= CMS_NO_CONTENT_VERIFY;
430 case OPT_NO_ATTR_VERIFY:
431 flags |= CMS_NO_ATTR_VERIFY;
437 flags &= ~CMS_STREAM;
441 flags |= CMS_CRLFEOL;
456 if (rctformat == FORMAT_ASN1) {
457 if (!opt_format(opt_arg(),
458 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
461 rcms = load_content_info(rctformat, rctin, NULL, "recipient",
466 certfile = opt_arg();
490 contfile = opt_arg();
494 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
496 sk_OPENSSL_STRING_push(rr_from, opt_arg());
500 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
502 sk_OPENSSL_STRING_push(rr_to, opt_arg());
508 if (!set_nameopt(opt_arg()))
512 if (secret_key != NULL) {
513 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
517 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp);
518 if (secret_key == NULL) {
519 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
522 secret_keylen = (size_t)ltmp;
524 case OPT_SECRETKEYID:
525 if (secret_keyid != NULL) {
526 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
530 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
531 if (secret_keyid == NULL) {
532 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
535 secret_keyidlen = (size_t)ltmp;
537 case OPT_PWRI_PASSWORD:
538 pwri_pass = (unsigned char *)opt_arg();
540 case OPT_ECONTENT_TYPE:
541 if (econtent_type != NULL) {
542 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
546 econtent_type = OBJ_txt2obj(opt_arg(), 0);
547 if (econtent_type == NULL) {
548 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
553 e = setup_engine(opt_arg(), 0);
556 passinarg = opt_arg();
568 certsoutfile = opt_arg();
571 if (!opt_md(opt_arg(), &sign_md))
575 /* If previous -signer argument add signer to list */
576 if (signerfile != NULL) {
577 if (sksigners == NULL
578 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
580 sk_OPENSSL_STRING_push(sksigners, signerfile);
582 keyfile = signerfile;
584 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
586 sk_OPENSSL_STRING_push(skkeys, keyfile);
589 signerfile = opt_arg();
592 originatorfile = opt_arg();
595 /* If previous -inkey argument add signer to list */
596 if (keyfile != NULL) {
597 if (signerfile == NULL) {
598 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
601 if (sksigners == NULL
602 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
604 sk_OPENSSL_STRING_push(sksigners, signerfile);
607 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
609 sk_OPENSSL_STRING_push(skkeys, keyfile);
614 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
618 if (operation == SMIME_ENCRYPT) {
619 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
621 cert = load_cert(opt_arg(), FORMAT_UNDEF,
622 "recipient certificate file");
625 sk_X509_push(encerts, cert);
628 recipfile = opt_arg();
632 if (!opt_cipher(opt_unknown(), &cipher))
637 if (operation == SMIME_ENCRYPT) {
639 keyidx += sk_X509_num(encerts);
641 if (keyfile != NULL || signerfile != NULL)
644 keyidx += sk_OPENSSL_STRING_num(skkeys);
647 BIO_printf(bio_err, "No key specified\n");
650 if (key_param == NULL || key_param->idx != keyidx) {
651 cms_key_param *nparam;
652 nparam = app_malloc(sizeof(*nparam), "key param buffer");
653 nparam->idx = keyidx;
654 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
657 if (key_first == NULL)
660 key_param->next = nparam;
663 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
666 if (!opt_verify(o, vpm))
675 if (!opt_provider(o))
679 conf = app_load_config_modules(opt_arg());
684 # ifndef OPENSSL_NO_DES
685 wrap_cipher = EVP_des_ede3_wrap();
688 case OPT_AES128_WRAP:
689 wrap_cipher = EVP_aes_128_wrap();
691 case OPT_AES192_WRAP:
692 wrap_cipher = EVP_aes_192_wrap();
694 case OPT_AES256_WRAP:
695 wrap_cipher = EVP_aes_256_wrap();
698 if (!opt_cipher(opt_unknown(), &wrap_cipher))
703 argc = opt_num_rest();
706 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
707 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
711 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
712 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
715 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
716 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
720 if ((flags & CMS_CADES) != 0) {
721 if ((flags & CMS_NOATTR) != 0) {
722 BIO_puts(bio_err, "Incompatible options: "
723 "CAdES required signed attributes\n");
726 if (operation == SMIME_VERIFY
727 && (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) {
728 BIO_puts(bio_err, "Incompatible options: CAdES validation require"
729 " certs and signed attributes validations\n");
734 if (operation & SMIME_SIGNERS) {
735 if (keyfile != NULL && signerfile == NULL) {
736 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
739 /* Check to see if any final signer needs to be appended */
740 if (signerfile != NULL) {
741 if (sksigners == NULL
742 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
744 sk_OPENSSL_STRING_push(sksigners, signerfile);
745 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
748 keyfile = signerfile;
749 sk_OPENSSL_STRING_push(skkeys, keyfile);
751 if (sksigners == NULL) {
752 BIO_printf(bio_err, "No signer certificate specified\n");
757 } else if (operation == SMIME_DECRYPT) {
758 if (recipfile == NULL && keyfile == NULL
759 && secret_key == NULL && pwri_pass == NULL) {
761 "No recipient certificate or key specified\n");
764 } else if (operation == SMIME_ENCRYPT) {
765 if (*argv == NULL && secret_key == NULL
766 && pwri_pass == NULL && encerts == NULL) {
767 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
770 } else if (!operation) {
771 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n");
775 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
776 BIO_printf(bio_err, "Error getting password\n");
782 if (!(operation & SMIME_SIGNERS))
783 flags &= ~CMS_DETACHED;
785 if (!(operation & SMIME_OP))
786 if (flags & CMS_BINARY)
787 outformat = FORMAT_BINARY;
789 if (!(operation & SMIME_IP))
790 if (flags & CMS_BINARY)
791 informat = FORMAT_BINARY;
793 if (operation == SMIME_ENCRYPT) {
795 # ifndef OPENSSL_NO_DES
796 cipher = EVP_des_ede3_cbc();
798 BIO_printf(bio_err, "No cipher selected\n");
803 if (secret_key && !secret_keyid) {
804 BIO_printf(bio_err, "No secret key id\n");
808 if (*argv && encerts == NULL)
809 if ((encerts = sk_X509_new_null()) == NULL)
812 if ((cert = load_cert(*argv, FORMAT_UNDEF,
813 "recipient certificate file")) == NULL)
815 sk_X509_push(encerts, cert);
821 if (certfile != NULL) {
822 if (!load_certs(certfile, &other, NULL, "certificate file")) {
823 ERR_print_errors(bio_err);
828 if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
829 if ((recip = load_cert(recipfile, FORMAT_UNDEF,
830 "recipient certificate file")) == NULL) {
831 ERR_print_errors(bio_err);
836 if (originatorfile != NULL) {
837 if ((originator = load_cert(originatorfile, FORMAT_UNDEF,
838 "originator certificate file")) == NULL) {
839 ERR_print_errors(bio_err);
844 if (operation == SMIME_SIGN_RECEIPT) {
845 if ((signer = load_cert(signerfile, FORMAT_UNDEF,
846 "receipt signer certificate file")) == NULL) {
847 ERR_print_errors(bio_err);
852 if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) {
855 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
857 keyfile = signerfile;
862 if (keyfile != NULL) {
863 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
868 * TODO: Remove this when CMS has full support for provider-native
871 if (EVP_PKEY_get0(key) == NULL)
875 in = bio_open_default(infile, 'r', informat);
879 if (operation & SMIME_IP) {
880 cms = load_content_info(informat, in, &indata, "SMIME", libctx, propq);
883 if (contfile != NULL) {
885 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
886 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
890 if (certsoutfile != NULL) {
891 STACK_OF(X509) *allcerts;
892 allcerts = CMS_get1_certs(cms);
893 if (!save_certs(certsoutfile, allcerts)) {
895 "Error writing certs to %s\n", certsoutfile);
899 sk_X509_pop_free(allcerts, X509_free);
903 if (rctfile != NULL) {
904 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
905 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
906 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
910 rcms = load_content_info(rctformat, rctin, NULL, "recipient", libctx,
916 out = bio_open_default(outfile, 'w', outformat);
920 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
921 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
922 CAstore, noCAstore)) == NULL)
924 X509_STORE_set_verify_cb(store, cms_cb);
926 X509_STORE_set1_param(store, vpm);
931 if (operation == SMIME_DATA_CREATE) {
932 cms = CMS_data_create_with_libctx(in, flags, libctx, propq);
933 } else if (operation == SMIME_DIGEST_CREATE) {
934 cms = CMS_digest_create_with_libctx(in, sign_md, flags, libctx, propq);
935 } else if (operation == SMIME_COMPRESS) {
936 cms = CMS_compress(in, -1, flags);
937 } else if (operation == SMIME_ENCRYPT) {
939 flags |= CMS_PARTIAL;
940 cms = CMS_encrypt_with_libctx(NULL, in, cipher, flags, libctx, propq);
943 for (i = 0; i < sk_X509_num(encerts); i++) {
944 CMS_RecipientInfo *ri;
945 cms_key_param *kparam;
946 int tflags = flags | CMS_KEY_PARAM; /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */
948 X509 *x = sk_X509_value(encerts, i);
951 for (kparam = key_first; kparam; kparam = kparam->next) {
952 if (kparam->idx == i) {
956 ri = CMS_add1_recipient(cms, x, key, originator, tflags);
960 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
961 if (kparam != NULL) {
962 if (!cms_set_pkey_param(pctx, kparam->param))
966 res = EVP_PKEY_CTX_ctrl(pctx, -1, -1,
967 EVP_PKEY_CTRL_CIPHER,
968 EVP_CIPHER_nid(cipher), NULL);
969 if (res <= 0 && res != -2)
972 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
974 EVP_CIPHER_CTX *wctx;
975 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
976 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
980 if (secret_key != NULL) {
981 if (!CMS_add0_recipient_key(cms, NID_undef,
982 secret_key, secret_keylen,
983 secret_keyid, secret_keyidlen,
986 /* NULL these because call absorbs them */
990 if (pwri_pass != NULL) {
991 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
992 if (pwri_tmp == NULL)
994 if (CMS_add0_recipient_password(cms,
995 -1, NID_undef, NID_undef,
996 pwri_tmp, -1, NULL) == NULL)
1000 if (!(flags & CMS_STREAM)) {
1001 if (!CMS_final(cms, in, NULL, flags))
1004 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
1005 cms = CMS_EncryptedData_encrypt_with_libctx(in, cipher, secret_key,
1006 secret_keylen, flags,
1009 } else if (operation == SMIME_SIGN_RECEIPT) {
1010 CMS_ContentInfo *srcms = NULL;
1011 STACK_OF(CMS_SignerInfo) *sis;
1013 sis = CMS_get0_SignerInfos(cms);
1016 si = sk_CMS_SignerInfo_value(sis, 0);
1017 srcms = CMS_sign_receipt(si, signer, key, other, flags);
1020 CMS_ContentInfo_free(cms);
1022 } else if (operation & SMIME_SIGNERS) {
1025 * If detached data content we enable streaming if S/MIME output
1028 if (operation == SMIME_SIGN) {
1030 if (flags & CMS_DETACHED) {
1031 if (outformat == FORMAT_SMIME)
1032 flags |= CMS_STREAM;
1034 flags |= CMS_PARTIAL;
1035 cms = CMS_sign_with_libctx(NULL, NULL, other, in, flags, libctx, propq);
1038 if (econtent_type != NULL)
1039 CMS_set1_eContentType(cms, econtent_type);
1041 if (rr_to != NULL) {
1042 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from, libctx,
1046 "Signed Receipt Request Creation Error\n");
1051 flags |= CMS_REUSE_DIGEST;
1053 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
1055 cms_key_param *kparam;
1057 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
1058 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
1060 signer = load_cert(signerfile, FORMAT_UNDEF,
1061 "signer certificate");
1062 if (signer == NULL) {
1066 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
1073 * TODO: Remove this when CMS has full support for provider-native
1076 if (EVP_PKEY_get0(key) == NULL)
1079 for (kparam = key_first; kparam; kparam = kparam->next) {
1080 if (kparam->idx == i) {
1081 tflags |= CMS_KEY_PARAM;
1085 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
1088 if (kparam != NULL) {
1090 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1091 if (!cms_set_pkey_param(pctx, kparam->param))
1094 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
1101 /* If not streaming or resigning finalize structure */
1102 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1103 if (!CMS_final(cms, in, NULL, flags))
1109 BIO_printf(bio_err, "Error creating CMS structure\n");
1114 if (operation == SMIME_DECRYPT) {
1115 if (flags & CMS_DEBUG_DECRYPT)
1116 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1118 if (secret_key != NULL) {
1119 if (!CMS_decrypt_set1_key(cms,
1120 secret_key, secret_keylen,
1121 secret_keyid, secret_keyidlen)) {
1122 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1128 if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) {
1129 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1134 if (pwri_pass != NULL) {
1135 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1136 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1141 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1142 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1145 } else if (operation == SMIME_DATAOUT) {
1146 if (!CMS_data(cms, out, flags))
1148 } else if (operation == SMIME_UNCOMPRESS) {
1149 if (!CMS_uncompress(cms, indata, out, flags))
1151 } else if (operation == SMIME_DIGEST_VERIFY) {
1152 if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1153 BIO_printf(bio_err, "Verification successful\n");
1155 BIO_printf(bio_err, "Verification failure\n");
1158 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1159 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1160 indata, out, flags))
1162 } else if (operation == SMIME_VERIFY) {
1163 if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1164 BIO_printf(bio_err, "%s Verification successful\n",
1165 (flags & CMS_CADES) ? "CAdES" : "CMS");
1167 BIO_printf(bio_err, "Verification failure\n");
1169 ret = verify_err + 32;
1172 if (signerfile != NULL) {
1173 STACK_OF(X509) *signers;
1174 signers = CMS_get0_signers(cms);
1175 if (!save_certs(signerfile, signers)) {
1177 "Error writing signers to %s\n", signerfile);
1181 sk_X509_free(signers);
1184 receipt_request_print(cms);
1186 } else if (operation == SMIME_VERIFY_RECEIPT) {
1187 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1188 BIO_printf(bio_err, "Verification successful\n");
1190 BIO_printf(bio_err, "Verification failure\n");
1196 ASN1_PCTX *pctx = NULL;
1197 if (get_nameopt() != XN_FLAG_ONELINE) {
1198 pctx = ASN1_PCTX_new();
1199 if (pctx != NULL) { /* Print anyway if malloc failed */
1200 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT);
1201 ASN1_PCTX_set_str_flags(pctx, get_nameopt());
1202 ASN1_PCTX_set_nm_flags(pctx, get_nameopt());
1205 CMS_ContentInfo_print_ctx(out, cms, 0, pctx);
1206 ASN1_PCTX_free(pctx);
1208 } else if (outformat == FORMAT_SMIME) {
1210 BIO_printf(out, "To: %s%s", to, mime_eol);
1212 BIO_printf(out, "From: %s%s", from, mime_eol);
1214 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1215 if (operation == SMIME_RESIGN)
1216 ret = SMIME_write_CMS(out, cms, indata, flags);
1218 ret = SMIME_write_CMS(out, cms, in, flags);
1219 } else if (outformat == FORMAT_PEM) {
1220 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1221 } else if (outformat == FORMAT_ASN1) {
1222 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1224 BIO_printf(bio_err, "Bad output format for CMS file\n");
1235 ERR_print_errors(bio_err);
1236 sk_X509_pop_free(encerts, X509_free);
1237 sk_X509_pop_free(other, X509_free);
1238 X509_VERIFY_PARAM_free(vpm);
1239 sk_OPENSSL_STRING_free(sksigners);
1240 sk_OPENSSL_STRING_free(skkeys);
1241 OPENSSL_free(secret_key);
1242 OPENSSL_free(secret_keyid);
1243 OPENSSL_free(pwri_tmp);
1244 ASN1_OBJECT_free(econtent_type);
1245 CMS_ReceiptRequest_free(rr);
1246 sk_OPENSSL_STRING_free(rr_to);
1247 sk_OPENSSL_STRING_free(rr_from);
1248 for (key_param = key_first; key_param;) {
1249 cms_key_param *tparam;
1250 sk_OPENSSL_STRING_free(key_param->param);
1251 tparam = key_param->next;
1252 OPENSSL_free(key_param);
1255 X509_STORE_free(store);
1260 CMS_ContentInfo_free(cms);
1261 CMS_ContentInfo_free(rcms);
1267 OPENSSL_free(passin);
1272 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1276 if (signerfile == NULL)
1278 tmp = BIO_new_file(signerfile, "w");
1281 for (i = 0; i < sk_X509_num(signers); i++)
1282 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1287 /* Minimal callback just to output policy info (if any) */
1289 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1293 error = X509_STORE_CTX_get_error(ctx);
1297 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1298 && ((error != X509_V_OK) || (ok != 2)))
1301 policies_print(ctx);
1307 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1309 STACK_OF(GENERAL_NAME) *gens;
1313 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1314 gens = sk_GENERAL_NAMES_value(gns, i);
1315 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1316 gen = sk_GENERAL_NAME_value(gens, j);
1317 BIO_puts(bio_err, " ");
1318 GENERAL_NAME_print(bio_err, gen);
1319 BIO_puts(bio_err, "\n");
1325 static void receipt_request_print(CMS_ContentInfo *cms)
1327 STACK_OF(CMS_SignerInfo) *sis;
1329 CMS_ReceiptRequest *rr;
1331 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1334 sis = CMS_get0_SignerInfos(cms);
1335 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1336 si = sk_CMS_SignerInfo_value(sis, i);
1337 rv = CMS_get1_ReceiptRequest(si, &rr);
1338 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1340 BIO_puts(bio_err, " No Receipt Request\n");
1341 } else if (rv < 0) {
1342 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1343 ERR_print_errors(bio_err);
1347 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1349 BIO_puts(bio_err, " Signed Content ID:\n");
1350 idlen = ASN1_STRING_length(scid);
1351 id = (const char *)ASN1_STRING_get0_data(scid);
1352 BIO_dump_indent(bio_err, id, idlen, 4);
1353 BIO_puts(bio_err, " Receipts From");
1354 if (rlist != NULL) {
1355 BIO_puts(bio_err, " List:\n");
1356 gnames_stack_print(rlist);
1357 } else if (allorfirst == 1) {
1358 BIO_puts(bio_err, ": First Tier\n");
1359 } else if (allorfirst == 0) {
1360 BIO_puts(bio_err, ": All\n");
1362 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1364 BIO_puts(bio_err, " Receipts To:\n");
1365 gnames_stack_print(rto);
1367 CMS_ReceiptRequest_free(rr);
1371 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1374 STACK_OF(GENERAL_NAMES) *ret;
1375 GENERAL_NAMES *gens = NULL;
1376 GENERAL_NAME *gen = NULL;
1377 ret = sk_GENERAL_NAMES_new_null();
1380 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1381 char *str = sk_OPENSSL_STRING_value(ns, i);
1382 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1385 gens = GENERAL_NAMES_new();
1388 if (!sk_GENERAL_NAME_push(gens, gen))
1391 if (!sk_GENERAL_NAMES_push(ret, gens))
1399 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1400 GENERAL_NAMES_free(gens);
1401 GENERAL_NAME_free(gen);
1405 static CMS_ReceiptRequest *make_receipt_request(
1406 STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst,
1407 STACK_OF(OPENSSL_STRING) *rr_from,
1408 OPENSSL_CTX *libctx, const char *propq)
1410 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1411 CMS_ReceiptRequest *rr;
1412 rct_to = make_names_stack(rr_to);
1415 if (rr_from != NULL) {
1416 rct_from = make_names_stack(rr_from);
1417 if (rct_from == NULL)
1422 rr = CMS_ReceiptRequest_create0_with_libctx(NULL, -1, rr_allorfirst,
1423 rct_from, rct_to, libctx, propq);
1426 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1430 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1431 STACK_OF(OPENSSL_STRING) *param)
1435 if (sk_OPENSSL_STRING_num(param) <= 0)
1437 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1438 keyopt = sk_OPENSSL_STRING_value(param, i);
1439 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1440 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1441 ERR_print_errors(bio_err);