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>
27 DEFINE_STACK_OF(CMS_SignerInfo)
28 DEFINE_STACK_OF(GENERAL_NAME)
29 DEFINE_STACK_OF(GENERAL_NAMES)
30 DEFINE_STACK_OF_STRING()
32 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
33 static int cms_cb(int ok, X509_STORE_CTX *ctx);
34 static void receipt_request_print(CMS_ContentInfo *cms);
35 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
36 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
38 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
39 STACK_OF(OPENSSL_STRING) *param);
41 # define SMIME_OP 0x10
42 # define SMIME_IP 0x20
43 # define SMIME_SIGNERS 0x40
44 # define SMIME_ENCRYPT (1 | SMIME_OP)
45 # define SMIME_DECRYPT (2 | SMIME_IP)
46 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
47 # define SMIME_VERIFY (4 | SMIME_IP)
48 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
49 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
50 # define SMIME_DATAOUT (7 | SMIME_IP)
51 # define SMIME_DATA_CREATE (8 | SMIME_OP)
52 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
53 # define SMIME_DIGEST_CREATE (10 | SMIME_OP)
54 # define SMIME_UNCOMPRESS (11 | SMIME_IP)
55 # define SMIME_COMPRESS (12 | SMIME_OP)
56 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
57 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
58 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
59 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
61 static int verify_err = 0;
63 typedef struct cms_key_param_st cms_key_param;
65 struct cms_key_param_st {
67 STACK_OF(OPENSSL_STRING) *param;
71 typedef enum OPTION_choice {
72 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
73 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
74 OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN,
75 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
76 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
77 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
78 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
79 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
80 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
81 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
82 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
83 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
84 OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
85 OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT,
86 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
87 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
88 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
89 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
90 OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE,
98 const OPTIONS cms_options[] = {
99 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
101 OPT_SECTION("General"),
102 {"help", OPT_HELP, '-', "Display this summary"},
103 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
104 {"outform", OPT_OUTFORM, 'c',
105 "Output format SMIME (default), PEM or DER"},
106 {"in", OPT_IN, '<', "Input file"},
107 {"out", OPT_OUT, '>', "Output file"},
108 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-',
109 "Disable MMA protection and return an error if no recipient found"
110 " (see documentation)"},
111 {"stream", OPT_INDEF, '-', "Enable CMS streaming"},
112 {"indef", OPT_INDEF, '-', "Same as -stream"},
113 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
114 {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" },
115 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
116 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
117 {"CAstore", OPT_CASTORE, ':', "trusted certificates store URI"},
118 {"no-CAfile", OPT_NOCAFILE, '-',
119 "Do not load the default certificates file"},
120 {"no-CApath", OPT_NOCAPATH, '-',
121 "Do not load certificates from the default certificates directory"},
122 {"no-CAstore", OPT_NOCASTORE, '-',
123 "Do not load certificates from the default certificates store"},
124 # ifndef OPENSSL_NO_ENGINE
125 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
128 OPT_SECTION("Action"),
129 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
130 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
131 {"sign", OPT_SIGN, '-', "Sign message"},
132 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"},
133 {"resign", OPT_RESIGN, '-', "Resign a signed message"},
134 {"cades", OPT_CADES, '-', "Include signer certificate digest"},
135 {"verify", OPT_VERIFY, '-', "Verify signed message"},
136 {"verify_retcode", OPT_VERIFY_RETCODE, '-',
137 "Exit non-zero on verification failure"},
138 {"verify_receipt", OPT_VERIFY_RECEIPT, '<',
139 "Verify receipts; exit if receipt signatures do not verify"},
140 {"digest_verify", OPT_DIGEST_VERIFY, '-',
141 "Verify a CMS \"DigestedData\" object and output it"},
142 {"digest_create", OPT_DIGEST_CREATE, '-',
143 "Create a CMS \"DigestedData\" object"},
144 {"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"},
145 {"uncompress", OPT_UNCOMPRESS, '-',
146 "Uncompress a CMS \"CompressedData\" object"},
147 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-',
148 "Decrypt CMS \"EncryptedData\" object using symmetric key"},
149 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-',
150 "Create CMS \"EncryptedData\" object using symmetric key"},
151 {"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"},
152 {"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"},
153 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
154 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-',
155 "Do not verify signed content signatures"},
156 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-',
157 "Do not verify signed attribute signatures"},
158 {"nointern", OPT_NOINTERN, '-',
159 "Don't search certificates in message for signer"},
160 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
162 OPT_SECTION("Formatting"),
163 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
164 {"asciicrlf", OPT_ASCIICRLF, '-',
165 "Perform CRLF canonicalisation when signing"},
166 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
167 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
168 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
169 {"binary", OPT_BINARY, '-', "Don't translate message to text"},
170 {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
171 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
172 {"nocerts", OPT_NOCERTS, '-',
173 "Don't include signers certificate when signing"},
174 {"noout", OPT_NOOUT, '-',
175 "For the -cmsout operation do not output the parsed CMS structure"},
176 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" },
177 {"receipt_request_all", OPT_RR_ALL, '-',
178 "When signing, create a receipt request for all recipients"},
179 {"receipt_request_first", OPT_RR_FIRST, '-',
180 "When signing, create a receipt request for first recipient"},
181 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"},
182 {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
183 {"content", OPT_CONTENT, '<',
184 "Supply or override content for detached signature"},
185 {"print", OPT_PRINT, '-',
186 "For the -cmsout operation print out all fields of the CMS structure"},
187 {"nameopt", OPT_NAMEOPT, 's',
188 "For the -print option specifies various strings printing options"},
189 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
191 OPT_SECTION("Keying"),
192 {"secretkey", OPT_SECRETKEY, 's',
193 "Use specified hex-encoded key to decrypt/encrypt recipients or content"},
194 {"secretkeyid", OPT_SECRETKEYID, 's',
195 "Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"},
196 {"pwri_password", OPT_PWRI_PASSWORD, 's',
197 "Specific password for recipient"},
198 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
199 {"inkey", OPT_INKEY, 's',
200 "Input private key (if not signer or recipient)"},
201 {"keyform", OPT_KEYFORM, 'f', "Input private key format (ENGINE, other values ignored)"},
202 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
204 OPT_SECTION("Mail header"),
205 {"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"},
206 {"to", OPT_TO, 's', "To address"},
207 {"from", OPT_FROM, 's', "From address"},
208 {"subject", OPT_SUBJECT, 's', "Subject"},
209 {"signer", OPT_SIGNER, 's', "Signer certificate file"},
210 {"originator", OPT_ORIGINATOR, 's', "Originator certificate file"},
211 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
212 {"receipt_request_from", OPT_RR_FROM, 's',
213 "Create signed receipt request with specified email address"},
214 {"receipt_request_to", OPT_RR_TO, 's',
215 "Create signed receipt targeted to specified address"},
217 OPT_SECTION("Encryption"),
218 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
219 {"", OPT_CIPHER, '-', "Any supported cipher"},
221 OPT_SECTION("Key-wrapping"),
222 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
223 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
224 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
225 # ifndef OPENSSL_NO_DES
226 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
228 {"wrap", OPT_WRAP, 's', "Any wrap cipher to wrap key"},
235 {"cert", 0, 0, "Recipient certs (optional; used only when encrypting)"},
239 int cms_main(int argc, char **argv)
241 ASN1_OBJECT *econtent_type = NULL;
242 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
243 CMS_ContentInfo *cms = NULL, *rcms = NULL;
244 CMS_ReceiptRequest *rr = NULL;
246 EVP_PKEY *key = NULL;
247 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
248 const EVP_MD *sign_md = NULL;
249 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
250 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
251 STACK_OF(X509) *encerts = NULL, *other = NULL;
252 X509 *cert = NULL, *recip = NULL, *signer = NULL, *originator = NULL;
253 X509_STORE *store = NULL;
254 X509_VERIFY_PARAM *vpm = NULL;
255 char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
256 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL;
257 char *certsoutfile = NULL;
258 int noCAfile = 0, noCApath = 0, noCAstore = 0;
259 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
260 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *originatorfile = NULL, *recipfile = NULL;
261 char *to = NULL, *from = NULL, *subject = NULL, *prog;
262 cms_key_param *key_first = NULL, *key_param = NULL;
263 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0;
264 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
265 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1;
266 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
267 size_t secret_keylen = 0, secret_keyidlen = 0;
268 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
269 unsigned char *secret_key = NULL, *secret_keyid = NULL;
271 const char *mime_eol = "\n";
274 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
277 prog = opt_init(argc, argv, cms_options);
278 while ((o = opt_next()) != OPT_EOF) {
283 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
286 opt_help(cms_options);
290 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
294 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
301 operation = SMIME_ENCRYPT;
304 operation = SMIME_DECRYPT;
307 operation = SMIME_SIGN;
309 case OPT_SIGN_RECEIPT:
310 operation = SMIME_SIGN_RECEIPT;
313 operation = SMIME_RESIGN;
316 operation = SMIME_VERIFY;
318 case OPT_VERIFY_RETCODE:
321 case OPT_VERIFY_RECEIPT:
322 operation = SMIME_VERIFY_RECEIPT;
326 operation = SMIME_CMSOUT;
329 operation = SMIME_DATAOUT;
331 case OPT_DATA_CREATE:
332 operation = SMIME_DATA_CREATE;
334 case OPT_DIGEST_VERIFY:
335 operation = SMIME_DIGEST_VERIFY;
337 case OPT_DIGEST_CREATE:
338 operation = SMIME_DIGEST_CREATE;
341 operation = SMIME_COMPRESS;
344 operation = SMIME_UNCOMPRESS;
347 operation = SMIME_ENCRYPTED_DECRYPT;
350 operation = SMIME_ENCRYPTED_ENCRYPT;
352 case OPT_DEBUG_DECRYPT:
353 flags |= CMS_DEBUG_DECRYPT;
359 flags |= CMS_ASCIICRLF;
362 flags |= CMS_NOINTERN;
365 flags |= CMS_NO_SIGNER_CERT_VERIFY;
368 flags |= CMS_NOCERTS;
374 flags &= ~CMS_DETACHED;
377 flags |= CMS_NOSMIMECAP;
386 flags |= CMS_USE_KEYID;
391 case OPT_NO_CONTENT_VERIFY:
392 flags |= CMS_NO_CONTENT_VERIFY;
394 case OPT_NO_ATTR_VERIFY:
395 flags |= CMS_NO_ATTR_VERIFY;
401 flags &= ~CMS_STREAM;
405 flags |= CMS_CRLFEOL;
420 if (rctformat == FORMAT_SMIME)
421 rcms = SMIME_read_CMS(rctin, NULL);
422 else if (rctformat == FORMAT_PEM)
423 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
424 else if (rctformat == FORMAT_ASN1)
425 if (!opt_format(opt_arg(),
426 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
430 certfile = opt_arg();
454 contfile = opt_arg();
458 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
460 sk_OPENSSL_STRING_push(rr_from, opt_arg());
464 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
466 sk_OPENSSL_STRING_push(rr_to, opt_arg());
472 if (!set_nameopt(opt_arg()))
476 if (secret_key != NULL) {
477 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n",
481 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp);
482 if (secret_key == NULL) {
483 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
486 secret_keylen = (size_t)ltmp;
488 case OPT_SECRETKEYID:
489 if (secret_keyid != NULL) {
490 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n",
494 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp);
495 if (secret_keyid == NULL) {
496 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
499 secret_keyidlen = (size_t)ltmp;
501 case OPT_PWRI_PASSWORD:
502 pwri_pass = (unsigned char *)opt_arg();
504 case OPT_ECONTENT_TYPE:
505 if (econtent_type != NULL) {
506 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n",
510 econtent_type = OBJ_txt2obj(opt_arg(), 0);
511 if (econtent_type == NULL) {
512 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
517 e = setup_engine(opt_arg(), 0);
520 passinarg = opt_arg();
532 certsoutfile = opt_arg();
535 if (!opt_md(opt_arg(), &sign_md))
539 /* If previous -signer argument add signer to list */
540 if (signerfile != NULL) {
541 if (sksigners == NULL
542 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
544 sk_OPENSSL_STRING_push(sksigners, signerfile);
546 keyfile = signerfile;
548 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
550 sk_OPENSSL_STRING_push(skkeys, keyfile);
553 signerfile = opt_arg();
556 originatorfile = opt_arg();
559 /* If previous -inkey argument add signer to list */
560 if (keyfile != NULL) {
561 if (signerfile == NULL) {
562 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
565 if (sksigners == NULL
566 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
568 sk_OPENSSL_STRING_push(sksigners, signerfile);
571 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
573 sk_OPENSSL_STRING_push(skkeys, keyfile);
578 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
582 if (operation == SMIME_ENCRYPT) {
583 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
585 cert = load_cert(opt_arg(), FORMAT_UNDEF,
586 "recipient certificate file");
589 sk_X509_push(encerts, cert);
592 recipfile = opt_arg();
596 if (!opt_cipher(opt_unknown(), &cipher))
601 if (operation == SMIME_ENCRYPT) {
603 keyidx += sk_X509_num(encerts);
605 if (keyfile != NULL || signerfile != NULL)
608 keyidx += sk_OPENSSL_STRING_num(skkeys);
611 BIO_printf(bio_err, "No key specified\n");
614 if (key_param == NULL || key_param->idx != keyidx) {
615 cms_key_param *nparam;
616 nparam = app_malloc(sizeof(*nparam), "key param buffer");
617 nparam->idx = keyidx;
618 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
621 if (key_first == NULL)
624 key_param->next = nparam;
627 sk_OPENSSL_STRING_push(key_param->param, opt_arg());
630 if (!opt_verify(o, vpm))
639 if (!opt_provider(o))
643 # ifndef OPENSSL_NO_DES
644 wrap_cipher = EVP_des_ede3_wrap();
647 case OPT_AES128_WRAP:
648 wrap_cipher = EVP_aes_128_wrap();
650 case OPT_AES192_WRAP:
651 wrap_cipher = EVP_aes_192_wrap();
653 case OPT_AES256_WRAP:
654 wrap_cipher = EVP_aes_256_wrap();
657 if (!opt_cipher(opt_unknown(), &wrap_cipher))
662 argc = opt_num_rest();
665 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) {
666 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
670 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) {
671 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
674 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) {
675 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
679 if ((flags & CMS_CADES) != 0) {
680 if ((flags & CMS_NOATTR) != 0) {
681 BIO_puts(bio_err, "Incompatible options: "
682 "CAdES required signed attributes\n");
685 if (operation == SMIME_VERIFY
686 && (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) {
687 BIO_puts(bio_err, "Incompatible options: CAdES validation require"
688 " certs and signed attributes validations\n");
693 if (operation & SMIME_SIGNERS) {
694 if (keyfile != NULL && signerfile == NULL) {
695 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
698 /* Check to see if any final signer needs to be appended */
699 if (signerfile != NULL) {
700 if (sksigners == NULL
701 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
703 sk_OPENSSL_STRING_push(sksigners, signerfile);
704 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
707 keyfile = signerfile;
708 sk_OPENSSL_STRING_push(skkeys, keyfile);
710 if (sksigners == NULL) {
711 BIO_printf(bio_err, "No signer certificate specified\n");
716 } else if (operation == SMIME_DECRYPT) {
717 if (recipfile == NULL && keyfile == NULL
718 && secret_key == NULL && pwri_pass == NULL) {
720 "No recipient certificate or key specified\n");
723 } else if (operation == SMIME_ENCRYPT) {
724 if (*argv == NULL && secret_key == NULL
725 && pwri_pass == NULL && encerts == NULL) {
726 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
729 } else if (!operation) {
730 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n");
734 if (!app_passwd(passinarg, NULL, &passin, NULL)) {
735 BIO_printf(bio_err, "Error getting password\n");
741 if (!(operation & SMIME_SIGNERS))
742 flags &= ~CMS_DETACHED;
744 if (!(operation & SMIME_OP))
745 if (flags & CMS_BINARY)
746 outformat = FORMAT_BINARY;
748 if (!(operation & SMIME_IP))
749 if (flags & CMS_BINARY)
750 informat = FORMAT_BINARY;
752 if (operation == SMIME_ENCRYPT) {
754 # ifndef OPENSSL_NO_DES
755 cipher = EVP_des_ede3_cbc();
757 BIO_printf(bio_err, "No cipher selected\n");
762 if (secret_key && !secret_keyid) {
763 BIO_printf(bio_err, "No secret key id\n");
767 if (*argv && encerts == NULL)
768 if ((encerts = sk_X509_new_null()) == NULL)
771 if ((cert = load_cert(*argv, FORMAT_UNDEF,
772 "recipient certificate file")) == NULL)
774 sk_X509_push(encerts, cert);
780 if (certfile != NULL) {
781 if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
782 "certificate file")) {
783 ERR_print_errors(bio_err);
788 if (recipfile != NULL && (operation == SMIME_DECRYPT)) {
789 if ((recip = load_cert(recipfile, FORMAT_UNDEF,
790 "recipient certificate file")) == NULL) {
791 ERR_print_errors(bio_err);
796 if (originatorfile != NULL) {
797 if ((originator = load_cert(originatorfile, FORMAT_UNDEF,
798 "originator certificate file")) == NULL) {
799 ERR_print_errors(bio_err);
804 if (operation == SMIME_SIGN_RECEIPT) {
805 if ((signer = load_cert(signerfile, FORMAT_UNDEF,
806 "receipt signer certificate file")) == NULL) {
807 ERR_print_errors(bio_err);
812 if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) {
815 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
817 keyfile = signerfile;
822 if (keyfile != NULL) {
823 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
828 in = bio_open_default(infile, 'r', informat);
832 if (operation & SMIME_IP) {
833 if (informat == FORMAT_SMIME) {
834 cms = SMIME_read_CMS(in, &indata);
835 } else if (informat == FORMAT_PEM) {
836 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
837 } else if (informat == FORMAT_ASN1) {
838 cms = d2i_CMS_bio(in, NULL);
840 BIO_printf(bio_err, "Bad input format for CMS file\n");
845 BIO_printf(bio_err, "Error reading S/MIME message\n");
848 if (contfile != NULL) {
850 if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
851 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
855 if (certsoutfile != NULL) {
856 STACK_OF(X509) *allcerts;
857 allcerts = CMS_get1_certs(cms);
858 if (!save_certs(certsoutfile, allcerts)) {
860 "Error writing certs to %s\n", certsoutfile);
864 sk_X509_pop_free(allcerts, X509_free);
868 if (rctfile != NULL) {
869 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
870 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
871 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
875 if (rctformat == FORMAT_SMIME) {
876 rcms = SMIME_read_CMS(rctin, NULL);
877 } else if (rctformat == FORMAT_PEM) {
878 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
879 } else if (rctformat == FORMAT_ASN1) {
880 rcms = d2i_CMS_bio(rctin, NULL);
882 BIO_printf(bio_err, "Bad input format for receipt\n");
887 BIO_printf(bio_err, "Error reading receipt\n");
892 out = bio_open_default(outfile, 'w', outformat);
896 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
897 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
898 CAstore, noCAstore)) == NULL)
900 X509_STORE_set_verify_cb(store, cms_cb);
902 X509_STORE_set1_param(store, vpm);
907 if (operation == SMIME_DATA_CREATE) {
908 cms = CMS_data_create(in, flags);
909 } else if (operation == SMIME_DIGEST_CREATE) {
910 cms = CMS_digest_create(in, sign_md, flags);
911 } else if (operation == SMIME_COMPRESS) {
912 cms = CMS_compress(in, -1, flags);
913 } else if (operation == SMIME_ENCRYPT) {
915 flags |= CMS_PARTIAL;
916 cms = CMS_encrypt(NULL, in, cipher, flags);
919 for (i = 0; i < sk_X509_num(encerts); i++) {
920 CMS_RecipientInfo *ri;
921 cms_key_param *kparam;
922 int tflags = flags | CMS_KEY_PARAM; /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */
924 X509 *x = sk_X509_value(encerts, i);
927 for (kparam = key_first; kparam; kparam = kparam->next) {
928 if (kparam->idx == i) {
932 ri = CMS_add1_recipient(cms, x, key, originator, tflags);
936 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
937 if (kparam != NULL) {
938 if (!cms_set_pkey_param(pctx, kparam->param))
942 res = EVP_PKEY_CTX_ctrl(pctx, -1, -1,
943 EVP_PKEY_CTRL_CIPHER,
944 EVP_CIPHER_nid(cipher), NULL);
945 if (res <= 0 && res != -2)
948 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
950 EVP_CIPHER_CTX *wctx;
951 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
952 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
956 if (secret_key != NULL) {
957 if (!CMS_add0_recipient_key(cms, NID_undef,
958 secret_key, secret_keylen,
959 secret_keyid, secret_keyidlen,
962 /* NULL these because call absorbs them */
966 if (pwri_pass != NULL) {
967 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass);
968 if (pwri_tmp == NULL)
970 if (CMS_add0_recipient_password(cms,
971 -1, NID_undef, NID_undef,
972 pwri_tmp, -1, NULL) == NULL)
976 if (!(flags & CMS_STREAM)) {
977 if (!CMS_final(cms, in, NULL, flags))
980 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
981 cms = CMS_EncryptedData_encrypt(in, cipher,
982 secret_key, secret_keylen, flags);
984 } else if (operation == SMIME_SIGN_RECEIPT) {
985 CMS_ContentInfo *srcms = NULL;
986 STACK_OF(CMS_SignerInfo) *sis;
988 sis = CMS_get0_SignerInfos(cms);
991 si = sk_CMS_SignerInfo_value(sis, 0);
992 srcms = CMS_sign_receipt(si, signer, key, other, flags);
995 CMS_ContentInfo_free(cms);
997 } else if (operation & SMIME_SIGNERS) {
1000 * If detached data content we enable streaming if S/MIME output
1003 if (operation == SMIME_SIGN) {
1005 if (flags & CMS_DETACHED) {
1006 if (outformat == FORMAT_SMIME)
1007 flags |= CMS_STREAM;
1009 flags |= CMS_PARTIAL;
1010 cms = CMS_sign(NULL, NULL, other, in, flags);
1013 if (econtent_type != NULL)
1014 CMS_set1_eContentType(cms, econtent_type);
1016 if (rr_to != NULL) {
1017 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
1020 "Signed Receipt Request Creation Error\n");
1025 flags |= CMS_REUSE_DIGEST;
1027 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
1029 cms_key_param *kparam;
1031 signerfile = sk_OPENSSL_STRING_value(sksigners, i);
1032 keyfile = sk_OPENSSL_STRING_value(skkeys, i);
1034 signer = load_cert(signerfile, FORMAT_UNDEF,
1035 "signer certificate");
1036 if (signer == NULL) {
1040 key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
1045 for (kparam = key_first; kparam; kparam = kparam->next) {
1046 if (kparam->idx == i) {
1047 tflags |= CMS_KEY_PARAM;
1051 si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
1054 if (kparam != NULL) {
1056 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
1057 if (!cms_set_pkey_param(pctx, kparam->param))
1060 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr))
1067 /* If not streaming or resigning finalize structure */
1068 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1069 if (!CMS_final(cms, in, NULL, flags))
1075 BIO_printf(bio_err, "Error creating CMS structure\n");
1080 if (operation == SMIME_DECRYPT) {
1081 if (flags & CMS_DEBUG_DECRYPT)
1082 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1084 if (secret_key != NULL) {
1085 if (!CMS_decrypt_set1_key(cms,
1086 secret_key, secret_keylen,
1087 secret_keyid, secret_keyidlen)) {
1088 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1094 if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) {
1095 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1100 if (pwri_pass != NULL) {
1101 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1102 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1107 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1108 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1111 } else if (operation == SMIME_DATAOUT) {
1112 if (!CMS_data(cms, out, flags))
1114 } else if (operation == SMIME_UNCOMPRESS) {
1115 if (!CMS_uncompress(cms, indata, out, flags))
1117 } else if (operation == SMIME_DIGEST_VERIFY) {
1118 if (CMS_digest_verify(cms, indata, out, flags) > 0) {
1119 BIO_printf(bio_err, "Verification successful\n");
1121 BIO_printf(bio_err, "Verification failure\n");
1124 } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1125 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1126 indata, out, flags))
1128 } else if (operation == SMIME_VERIFY) {
1129 if (CMS_verify(cms, other, store, indata, out, flags) > 0) {
1130 BIO_printf(bio_err, "%s Verification successful\n",
1131 (flags & CMS_CADES) ? "CAdES" : "CMS");
1133 BIO_printf(bio_err, "Verification failure\n");
1135 ret = verify_err + 32;
1138 if (signerfile != NULL) {
1139 STACK_OF(X509) *signers;
1140 signers = CMS_get0_signers(cms);
1141 if (!save_certs(signerfile, signers)) {
1143 "Error writing signers to %s\n", signerfile);
1147 sk_X509_free(signers);
1150 receipt_request_print(cms);
1152 } else if (operation == SMIME_VERIFY_RECEIPT) {
1153 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) {
1154 BIO_printf(bio_err, "Verification successful\n");
1156 BIO_printf(bio_err, "Verification failure\n");
1162 ASN1_PCTX *pctx = NULL;
1163 if (get_nameopt() != XN_FLAG_ONELINE) {
1164 pctx = ASN1_PCTX_new();
1165 if (pctx != NULL) { /* Print anyway if malloc failed */
1166 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT);
1167 ASN1_PCTX_set_str_flags(pctx, get_nameopt());
1168 ASN1_PCTX_set_nm_flags(pctx, get_nameopt());
1171 CMS_ContentInfo_print_ctx(out, cms, 0, pctx);
1172 ASN1_PCTX_free(pctx);
1174 } else if (outformat == FORMAT_SMIME) {
1176 BIO_printf(out, "To: %s%s", to, mime_eol);
1178 BIO_printf(out, "From: %s%s", from, mime_eol);
1180 BIO_printf(out, "Subject: %s%s", subject, mime_eol);
1181 if (operation == SMIME_RESIGN)
1182 ret = SMIME_write_CMS(out, cms, indata, flags);
1184 ret = SMIME_write_CMS(out, cms, in, flags);
1185 } else if (outformat == FORMAT_PEM) {
1186 ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1187 } else if (outformat == FORMAT_ASN1) {
1188 ret = i2d_CMS_bio_stream(out, cms, in, flags);
1190 BIO_printf(bio_err, "Bad output format for CMS file\n");
1201 ERR_print_errors(bio_err);
1202 sk_X509_pop_free(encerts, X509_free);
1203 sk_X509_pop_free(other, X509_free);
1204 X509_VERIFY_PARAM_free(vpm);
1205 sk_OPENSSL_STRING_free(sksigners);
1206 sk_OPENSSL_STRING_free(skkeys);
1207 OPENSSL_free(secret_key);
1208 OPENSSL_free(secret_keyid);
1209 OPENSSL_free(pwri_tmp);
1210 ASN1_OBJECT_free(econtent_type);
1211 CMS_ReceiptRequest_free(rr);
1212 sk_OPENSSL_STRING_free(rr_to);
1213 sk_OPENSSL_STRING_free(rr_from);
1214 for (key_param = key_first; key_param;) {
1215 cms_key_param *tparam;
1216 sk_OPENSSL_STRING_free(key_param->param);
1217 tparam = key_param->next;
1218 OPENSSL_free(key_param);
1221 X509_STORE_free(store);
1226 CMS_ContentInfo_free(cms);
1227 CMS_ContentInfo_free(rcms);
1233 OPENSSL_free(passin);
1237 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1241 if (signerfile == NULL)
1243 tmp = BIO_new_file(signerfile, "w");
1246 for (i = 0; i < sk_X509_num(signers); i++)
1247 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1252 /* Minimal callback just to output policy info (if any) */
1254 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1258 error = X509_STORE_CTX_get_error(ctx);
1262 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1263 && ((error != X509_V_OK) || (ok != 2)))
1266 policies_print(ctx);
1272 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1274 STACK_OF(GENERAL_NAME) *gens;
1278 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1279 gens = sk_GENERAL_NAMES_value(gns, i);
1280 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1281 gen = sk_GENERAL_NAME_value(gens, j);
1282 BIO_puts(bio_err, " ");
1283 GENERAL_NAME_print(bio_err, gen);
1284 BIO_puts(bio_err, "\n");
1290 static void receipt_request_print(CMS_ContentInfo *cms)
1292 STACK_OF(CMS_SignerInfo) *sis;
1294 CMS_ReceiptRequest *rr;
1296 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1299 sis = CMS_get0_SignerInfos(cms);
1300 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1301 si = sk_CMS_SignerInfo_value(sis, i);
1302 rv = CMS_get1_ReceiptRequest(si, &rr);
1303 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1305 BIO_puts(bio_err, " No Receipt Request\n");
1306 } else if (rv < 0) {
1307 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1308 ERR_print_errors(bio_err);
1312 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1314 BIO_puts(bio_err, " Signed Content ID:\n");
1315 idlen = ASN1_STRING_length(scid);
1316 id = (const char *)ASN1_STRING_get0_data(scid);
1317 BIO_dump_indent(bio_err, id, idlen, 4);
1318 BIO_puts(bio_err, " Receipts From");
1319 if (rlist != NULL) {
1320 BIO_puts(bio_err, " List:\n");
1321 gnames_stack_print(rlist);
1322 } else if (allorfirst == 1) {
1323 BIO_puts(bio_err, ": First Tier\n");
1324 } else if (allorfirst == 0) {
1325 BIO_puts(bio_err, ": All\n");
1327 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1329 BIO_puts(bio_err, " Receipts To:\n");
1330 gnames_stack_print(rto);
1332 CMS_ReceiptRequest_free(rr);
1336 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1339 STACK_OF(GENERAL_NAMES) *ret;
1340 GENERAL_NAMES *gens = NULL;
1341 GENERAL_NAME *gen = NULL;
1342 ret = sk_GENERAL_NAMES_new_null();
1345 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1346 char *str = sk_OPENSSL_STRING_value(ns, i);
1347 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1350 gens = GENERAL_NAMES_new();
1353 if (!sk_GENERAL_NAME_push(gens, gen))
1356 if (!sk_GENERAL_NAMES_push(ret, gens))
1364 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1365 GENERAL_NAMES_free(gens);
1366 GENERAL_NAME_free(gen);
1370 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1371 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1374 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL;
1375 CMS_ReceiptRequest *rr;
1376 rct_to = make_names_stack(rr_to);
1379 if (rr_from != NULL) {
1380 rct_from = make_names_stack(rr_from);
1381 if (rct_from == NULL)
1386 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1390 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free);
1394 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1395 STACK_OF(OPENSSL_STRING) *param)
1399 if (sk_OPENSSL_STRING_num(param) <= 0)
1401 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1402 keyopt = sk_OPENSSL_STRING_value(param, i);
1403 if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1404 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1405 ERR_print_errors(bio_err);