2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
54 /* CMS utility function */
60 #ifndef OPENSSL_NO_CMS
62 #include <openssl/crypto.h>
63 #include <openssl/pem.h>
64 #include <openssl/err.h>
65 #include <openssl/x509_vfy.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/cms.h>
71 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
72 static int cms_cb(int ok, X509_STORE_CTX *ctx);
73 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
74 static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
79 #define SMIME_SIGNERS 0x40
80 #define SMIME_ENCRYPT (1 | SMIME_OP)
81 #define SMIME_DECRYPT (2 | SMIME_IP)
82 #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS)
83 #define SMIME_VERIFY (4 | SMIME_IP)
84 #define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP)
85 #define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
86 #define SMIME_DATAOUT (7 | SMIME_IP)
87 #define SMIME_DATA_CREATE (8 | SMIME_OP)
88 #define SMIME_DIGEST_VERIFY (9 | SMIME_IP)
89 #define SMIME_DIGEST_CREATE (10 | SMIME_OP)
90 #define SMIME_UNCOMPRESS (11 | SMIME_IP)
91 #define SMIME_COMPRESS (12 | SMIME_OP)
92 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
93 #define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
94 #define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP)
95 #define SMIME_VERIFY_RECEIPT (16 | SMIME_IP)
97 int MAIN(int, char **);
99 int MAIN(int argc, char **argv)
105 const char *inmode = "r", *outmode = "w";
106 char *infile = NULL, *outfile = NULL, *rctfile = NULL;
107 char *signerfile = NULL, *recipfile = NULL;
108 STACK *sksigners = NULL, *skkeys = NULL;
109 char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
110 char *certsoutfile = NULL;
111 const EVP_CIPHER *cipher = NULL;
112 CMS_ContentInfo *cms = NULL, *rcms = NULL;
113 X509_STORE *store = NULL;
114 X509 *cert = NULL, *recip = NULL, *signer = NULL;
115 EVP_PKEY *key = NULL;
116 STACK_OF(X509) *encerts = NULL, *other = NULL;
117 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
119 int flags = CMS_DETACHED;
120 int rr_print = 0, rr_allorfirst = -1;
121 STACK *rr_to = NULL, *rr_from = NULL;
122 CMS_ReceiptRequest *rr = NULL;
123 char *to = NULL, *from = NULL, *subject = NULL;
124 char *CAfile = NULL, *CApath = NULL;
125 char *passargin = NULL, *passin = NULL;
128 const EVP_MD *sign_md = NULL;
129 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
130 int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
131 #ifndef OPENSSL_NO_ENGINE
134 unsigned char *secret_key = NULL, *secret_keyid = NULL;
135 size_t secret_keylen = 0, secret_keyidlen = 0;
137 ASN1_OBJECT *econtent_type = NULL;
139 X509_VERIFY_PARAM *vpm = NULL;
148 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
149 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
152 if (!load_config(bio_err, NULL))
155 while (!badarg && *args && *args[0] == '-')
157 if (!strcmp (*args, "-encrypt"))
158 operation = SMIME_ENCRYPT;
159 else if (!strcmp (*args, "-decrypt"))
160 operation = SMIME_DECRYPT;
161 else if (!strcmp (*args, "-sign"))
162 operation = SMIME_SIGN;
163 else if (!strcmp (*args, "-sign_receipt"))
164 operation = SMIME_SIGN_RECEIPT;
165 else if (!strcmp (*args, "-resign"))
166 operation = SMIME_RESIGN;
167 else if (!strcmp (*args, "-verify"))
168 operation = SMIME_VERIFY;
169 else if (!strcmp(*args,"-verify_receipt"))
171 operation = SMIME_VERIFY_RECEIPT;
177 else if (!strcmp (*args, "-cmsout"))
178 operation = SMIME_CMSOUT;
179 else if (!strcmp (*args, "-data_out"))
180 operation = SMIME_DATAOUT;
181 else if (!strcmp (*args, "-data_create"))
182 operation = SMIME_DATA_CREATE;
183 else if (!strcmp (*args, "-digest_verify"))
184 operation = SMIME_DIGEST_VERIFY;
185 else if (!strcmp (*args, "-digest_create"))
186 operation = SMIME_DIGEST_CREATE;
187 else if (!strcmp (*args, "-compress"))
188 operation = SMIME_COMPRESS;
189 else if (!strcmp (*args, "-uncompress"))
190 operation = SMIME_UNCOMPRESS;
191 else if (!strcmp (*args, "-EncryptedData_decrypt"))
192 operation = SMIME_ENCRYPTED_DECRYPT;
193 else if (!strcmp (*args, "-EncryptedData_encrypt"))
194 operation = SMIME_ENCRYPTED_ENCRYPT;
195 #ifndef OPENSSL_NO_DES
196 else if (!strcmp (*args, "-des3"))
197 cipher = EVP_des_ede3_cbc();
198 else if (!strcmp (*args, "-des"))
199 cipher = EVP_des_cbc();
201 #ifndef OPENSSL_NO_SEED
202 else if (!strcmp (*args, "-seed"))
203 cipher = EVP_seed_cbc();
205 #ifndef OPENSSL_NO_RC2
206 else if (!strcmp (*args, "-rc2-40"))
207 cipher = EVP_rc2_40_cbc();
208 else if (!strcmp (*args, "-rc2-128"))
209 cipher = EVP_rc2_cbc();
210 else if (!strcmp (*args, "-rc2-64"))
211 cipher = EVP_rc2_64_cbc();
213 #ifndef OPENSSL_NO_AES
214 else if (!strcmp(*args,"-aes128"))
215 cipher = EVP_aes_128_cbc();
216 else if (!strcmp(*args,"-aes192"))
217 cipher = EVP_aes_192_cbc();
218 else if (!strcmp(*args,"-aes256"))
219 cipher = EVP_aes_256_cbc();
221 #ifndef OPENSSL_NO_CAMELLIA
222 else if (!strcmp(*args,"-camellia128"))
223 cipher = EVP_camellia_128_cbc();
224 else if (!strcmp(*args,"-camellia192"))
225 cipher = EVP_camellia_192_cbc();
226 else if (!strcmp(*args,"-camellia256"))
227 cipher = EVP_camellia_256_cbc();
229 else if (!strcmp (*args, "-debug_decrypt"))
230 flags |= CMS_DEBUG_DECRYPT;
231 else if (!strcmp (*args, "-text"))
233 else if (!strcmp (*args, "-nointern"))
234 flags |= CMS_NOINTERN;
235 else if (!strcmp (*args, "-noverify")
236 || !strcmp (*args, "-no_signer_cert_verify"))
237 flags |= CMS_NO_SIGNER_CERT_VERIFY;
238 else if (!strcmp (*args, "-nocerts"))
239 flags |= CMS_NOCERTS;
240 else if (!strcmp (*args, "-noattr"))
242 else if (!strcmp (*args, "-nodetach"))
243 flags &= ~CMS_DETACHED;
244 else if (!strcmp (*args, "-nosmimecap"))
245 flags |= CMS_NOSMIMECAP;
246 else if (!strcmp (*args, "-binary"))
248 else if (!strcmp (*args, "-keyid"))
249 flags |= CMS_USE_KEYID;
250 else if (!strcmp (*args, "-nosigs"))
252 else if (!strcmp (*args, "-no_content_verify"))
253 flags |= CMS_NO_CONTENT_VERIFY;
254 else if (!strcmp (*args, "-no_attr_verify"))
255 flags |= CMS_NO_ATTR_VERIFY;
256 else if (!strcmp (*args, "-stream"))
261 else if (!strcmp (*args, "-indef"))
266 else if (!strcmp (*args, "-noindef"))
267 flags &= ~CMS_STREAM;
268 else if (!strcmp (*args, "-nooldmime"))
269 flags |= CMS_NOOLDMIMETYPE;
270 else if (!strcmp (*args, "-crlfeol"))
271 flags |= CMS_CRLFEOL;
272 else if (!strcmp (*args, "-receipt_request_print"))
274 else if (!strcmp (*args, "-receipt_request_all"))
276 else if (!strcmp (*args, "-receipt_request_first"))
278 else if (!strcmp(*args,"-receipt_request_from"))
284 rr_from = sk_new_null();
285 sk_push(rr_from, *args);
287 else if (!strcmp(*args,"-receipt_request_to"))
293 rr_to = sk_new_null();
294 sk_push(rr_to, *args);
296 else if (!strcmp(*args,"-secretkey"))
302 secret_key = string_to_hex(*args, <mp);
305 BIO_printf(bio_err, "Invalid key %s\n", *args);
308 secret_keylen = (size_t)ltmp;
310 else if (!strcmp(*args,"-secretkeyid"))
316 secret_keyid = string_to_hex(*args, <mp);
319 BIO_printf(bio_err, "Invalid id %s\n", *args);
322 secret_keyidlen = (size_t)ltmp;
324 else if (!strcmp(*args,"-econtent_type"))
329 econtent_type = OBJ_txt2obj(*args, 0);
332 BIO_printf(bio_err, "Invalid OID %s\n", *args);
336 else if (!strcmp(*args,"-rand"))
344 #ifndef OPENSSL_NO_ENGINE
345 else if (!strcmp(*args,"-engine"))
352 else if (!strcmp(*args,"-passin"))
358 else if (!strcmp (*args, "-to"))
364 else if (!strcmp (*args, "-from"))
370 else if (!strcmp (*args, "-subject"))
376 else if (!strcmp (*args, "-signer"))
380 /* If previous -signer argument add signer to list */
385 sksigners = sk_new_null();
386 sk_push(sksigners, signerfile);
388 keyfile = signerfile;
390 skkeys = sk_new_null();
391 sk_push(skkeys, keyfile);
394 signerfile = *++args;
396 else if (!strcmp (*args, "-recip"))
402 else if (!strcmp (*args, "-certsout"))
406 certsoutfile = *++args;
408 else if (!strcmp (*args, "-md"))
412 sign_md = EVP_get_digestbyname(*++args);
415 BIO_printf(bio_err, "Unknown digest %s\n",
420 else if (!strcmp (*args, "-inkey"))
424 /* If previous -inkey arument add signer to list */
429 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
433 sksigners = sk_new_null();
434 sk_push(sksigners, signerfile);
437 skkeys = sk_new_null();
438 sk_push(skkeys, keyfile);
442 else if (!strcmp (*args, "-keyform"))
446 keyform = str2fmt(*++args);
448 else if (!strcmp (*args, "-rctform"))
452 rctformat = str2fmt(*++args);
454 else if (!strcmp (*args, "-certfile"))
460 else if (!strcmp (*args, "-CAfile"))
466 else if (!strcmp (*args, "-CApath"))
472 else if (!strcmp (*args, "-in"))
478 else if (!strcmp (*args, "-inform"))
482 informat = str2fmt(*++args);
484 else if (!strcmp (*args, "-outform"))
488 outformat = str2fmt(*++args);
490 else if (!strcmp (*args, "-out"))
496 else if (!strcmp (*args, "-content"))
502 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
504 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
509 if (((rr_allorfirst != -1) || rr_from) && !rr_to)
511 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
515 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from))
517 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
520 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
522 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
526 if (operation & SMIME_SIGNERS)
528 if (keyfile && !signerfile)
530 BIO_puts(bio_err, "Illegal -inkey without -signer\n");
533 /* Check to see if any final signer needs to be appended */
537 sksigners = sk_new_null();
538 sk_push(sksigners, signerfile);
540 skkeys = sk_new_null();
542 keyfile = signerfile;
543 sk_push(skkeys, keyfile);
547 BIO_printf(bio_err, "No signer certificate specified\n");
555 else if (operation == SMIME_DECRYPT)
557 if (!recipfile && !keyfile && !secret_key)
559 BIO_printf(bio_err, "No recipient certificate or key specified\n");
563 else if (operation == SMIME_ENCRYPT)
565 if (!*args && !secret_key)
567 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
578 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
579 BIO_printf (bio_err, "where options are\n");
580 BIO_printf (bio_err, "-encrypt encrypt message\n");
581 BIO_printf (bio_err, "-decrypt decrypt encrypted message\n");
582 BIO_printf (bio_err, "-sign sign message\n");
583 BIO_printf (bio_err, "-verify verify signed message\n");
584 BIO_printf (bio_err, "-cmsout output CMS structure\n");
585 #ifndef OPENSSL_NO_DES
586 BIO_printf (bio_err, "-des3 encrypt with triple DES\n");
587 BIO_printf (bio_err, "-des encrypt with DES\n");
589 #ifndef OPENSSL_NO_SEED
590 BIO_printf (bio_err, "-seed encrypt with SEED\n");
592 #ifndef OPENSSL_NO_RC2
593 BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
594 BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n");
595 BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n");
597 #ifndef OPENSSL_NO_AES
598 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
599 BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
601 #ifndef OPENSSL_NO_CAMELLIA
602 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
603 BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n");
605 BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n");
606 BIO_printf (bio_err, "-nosigs don't verify message signature\n");
607 BIO_printf (bio_err, "-noverify don't verify signers certificate\n");
608 BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n");
609 BIO_printf (bio_err, "-nodetach use opaque signing\n");
610 BIO_printf (bio_err, "-noattr don't include any signed attributes\n");
611 BIO_printf (bio_err, "-binary don't translate message to text\n");
612 BIO_printf (bio_err, "-certfile file other certificates file\n");
613 BIO_printf (bio_err, "-certsout file certificate output file\n");
614 BIO_printf (bio_err, "-signer file signer certificate file\n");
615 BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n");
616 BIO_printf (bio_err, "-keyid use subject key identifier\n");
617 BIO_printf (bio_err, "-in file input file\n");
618 BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
619 BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n");
620 BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n");
621 BIO_printf (bio_err, "-out file output file\n");
622 BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
623 BIO_printf (bio_err, "-content file supply or override content for detached signature\n");
624 BIO_printf (bio_err, "-to addr to address\n");
625 BIO_printf (bio_err, "-from ad from address\n");
626 BIO_printf (bio_err, "-subject s subject\n");
627 BIO_printf (bio_err, "-text include or delete text MIME headers\n");
628 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
629 BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
630 BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
631 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
632 #ifndef OPENSSL_NO_ENGINE
633 BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
635 BIO_printf (bio_err, "-passin arg input file pass phrase source\n");
636 BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
637 BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
638 BIO_printf(bio_err, " the random number generator\n");
639 BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
643 #ifndef OPENSSL_NO_ENGINE
644 e = setup_engine(bio_err, engine, 0);
647 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
649 BIO_printf(bio_err, "Error getting password\n");
655 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
657 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
658 app_RAND_load_files(inrand));
663 if (!(operation & SMIME_SIGNERS))
664 flags &= ~CMS_DETACHED;
666 if (operation & SMIME_OP)
668 if (outformat == FORMAT_ASN1)
673 if (flags & CMS_BINARY)
677 if (operation & SMIME_IP)
679 if (informat == FORMAT_ASN1)
684 if (flags & CMS_BINARY)
688 if (operation == SMIME_ENCRYPT)
692 #ifndef OPENSSL_NO_DES
693 cipher = EVP_des_ede3_cbc();
695 BIO_printf(bio_err, "No cipher selected\n");
700 if (secret_key && !secret_keyid)
702 BIO_printf(bio_err, "No sectre key id\n");
707 encerts = sk_X509_new_null();
710 if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
711 NULL, e, "recipient certificate file")))
713 sk_X509_push(encerts, cert);
721 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
722 e, "certificate file")))
724 ERR_print_errors(bio_err);
729 if (recipfile && (operation == SMIME_DECRYPT))
731 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
732 e, "recipient certificate file")))
734 ERR_print_errors(bio_err);
739 if (operation == SMIME_SIGN_RECEIPT)
741 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
742 e, "receipt signer certificate file")))
744 ERR_print_errors(bio_err);
749 if (operation == SMIME_DECRYPT)
754 else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
757 keyfile = signerfile;
763 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
771 if (!(in = BIO_new_file(infile, inmode)))
774 "Can't open input file %s\n", infile);
779 in = BIO_new_fp(stdin, BIO_NOCLOSE);
781 if (operation & SMIME_IP)
783 if (informat == FORMAT_SMIME)
784 cms = SMIME_read_CMS(in, &indata);
785 else if (informat == FORMAT_PEM)
786 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
787 else if (informat == FORMAT_ASN1)
788 cms = d2i_CMS_bio(in, NULL);
791 BIO_printf(bio_err, "Bad input format for CMS file\n");
797 BIO_printf(bio_err, "Error reading S/MIME message\n");
803 if (!(indata = BIO_new_file(contfile, "rb")))
805 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
811 STACK_OF(X509) *allcerts;
812 allcerts = CMS_get1_certs(cms);
813 if (!save_certs(certsoutfile, allcerts))
816 "Error writing certs to %s\n",
821 sk_X509_pop_free(allcerts, X509_free);
827 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
828 if (!(rctin = BIO_new_file(rctfile, rctmode)))
831 "Can't open receipt file %s\n", rctfile);
835 if (rctformat == FORMAT_SMIME)
836 rcms = SMIME_read_CMS(rctin, NULL);
837 else if (rctformat == FORMAT_PEM)
838 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
839 else if (rctformat == FORMAT_ASN1)
840 rcms = d2i_CMS_bio(rctin, NULL);
843 BIO_printf(bio_err, "Bad input format for receipt\n");
849 BIO_printf(bio_err, "Error reading receipt\n");
856 if (!(out = BIO_new_file(outfile, outmode)))
859 "Can't open output file %s\n", outfile);
865 out = BIO_new_fp(stdout, BIO_NOCLOSE);
866 #ifdef OPENSSL_SYS_VMS
868 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
869 out = BIO_push(tmpbio, out);
874 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
876 if (!(store = setup_verify(bio_err, CAfile, CApath)))
878 X509_STORE_set_verify_cb_func(store, cms_cb);
880 X509_STORE_set1_param(store, vpm);
886 if (operation == SMIME_DATA_CREATE)
888 cms = CMS_data_create(in, flags);
890 else if (operation == SMIME_DIGEST_CREATE)
892 cms = CMS_digest_create(in, sign_md, flags);
894 else if (operation == SMIME_COMPRESS)
896 cms = CMS_compress(in, -1, flags);
898 else if (operation == SMIME_ENCRYPT)
900 flags |= CMS_PARTIAL;
901 cms = CMS_encrypt(encerts, in, cipher, flags);
906 if (!CMS_add0_recipient_key(cms, NID_undef,
907 secret_key, secret_keylen,
908 secret_keyid, secret_keyidlen,
911 /* NULL these because call absorbs them */
915 if (!(flags & CMS_STREAM))
917 if (!CMS_final(cms, in, NULL, flags))
921 else if (operation == SMIME_ENCRYPTED_ENCRYPT)
923 cms = CMS_EncryptedData_encrypt(in, cipher,
924 secret_key, secret_keylen,
928 else if (operation == SMIME_SIGN_RECEIPT)
930 CMS_ContentInfo *srcms = NULL;
931 STACK_OF(CMS_SignerInfo) *sis;
933 sis = CMS_get0_SignerInfos(cms);
936 si = sk_CMS_SignerInfo_value(sis, 0);
937 srcms = CMS_sign_receipt(si, signer, key, other, flags);
940 CMS_ContentInfo_free(cms);
943 else if (operation & SMIME_SIGNERS)
946 /* If detached data content we enable streaming if
947 * S/MIME output format.
949 if (operation == SMIME_SIGN)
952 if (flags & CMS_DETACHED)
954 if (outformat == FORMAT_SMIME)
957 flags |= CMS_PARTIAL;
958 cms = CMS_sign(NULL, NULL, other, in, flags);
962 CMS_set1_eContentType(cms, econtent_type);
966 rr = make_receipt_request(rr_to, rr_allorfirst,
971 "Signed Receipt Request Creation Error\n");
977 flags |= CMS_REUSE_DIGEST;
978 for (i = 0; i < sk_num(sksigners); i++)
981 signerfile = sk_value(sksigners, i);
982 keyfile = sk_value(skkeys, i);
983 signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
984 e, "signer certificate");
987 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
991 si = CMS_add1_signer(cms, signer, key, sign_md, flags);
994 if (rr && !CMS_add1_ReceiptRequest(si, rr))
1001 /* If not streaming or resigning finalize structure */
1002 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1004 if (!CMS_final(cms, in, NULL, flags))
1011 BIO_printf(bio_err, "Error creating CMS structure\n");
1016 if (operation == SMIME_DECRYPT)
1018 if (flags & CMS_DEBUG_DECRYPT)
1019 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1023 if (!CMS_decrypt_set1_key(cms,
1024 secret_key, secret_keylen,
1025 secret_keyid, secret_keyidlen))
1028 "Error decrypting CMS using secret key\n");
1035 if (!CMS_decrypt_set1_pkey(cms, key, recip))
1038 "Error decrypting CMS using private key\n");
1043 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1045 BIO_printf(bio_err, "Error decrypting CMS structure\n");
1049 else if (operation == SMIME_DATAOUT)
1051 if (!CMS_data(cms, out, flags))
1054 else if (operation == SMIME_UNCOMPRESS)
1056 if (!CMS_uncompress(cms, indata, out, flags))
1059 else if (operation == SMIME_DIGEST_VERIFY)
1061 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1062 BIO_printf(bio_err, "Verification successful\n");
1065 BIO_printf(bio_err, "Verification failure\n");
1069 else if (operation == SMIME_ENCRYPTED_DECRYPT)
1071 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1072 indata, out, flags))
1075 else if (operation == SMIME_VERIFY)
1077 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1078 BIO_printf(bio_err, "Verification successful\n");
1081 BIO_printf(bio_err, "Verification failure\n");
1086 STACK_OF(X509) *signers;
1087 signers = CMS_get0_signers(cms);
1088 if (!save_certs(signerfile, signers))
1091 "Error writing signers to %s\n",
1096 sk_X509_free(signers);
1099 receipt_request_print(bio_err, cms);
1102 else if (operation == SMIME_VERIFY_RECEIPT)
1104 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1105 BIO_printf(bio_err, "Verification successful\n");
1108 BIO_printf(bio_err, "Verification failure\n");
1114 if (outformat == FORMAT_SMIME)
1117 BIO_printf(out, "To: %s\n", to);
1119 BIO_printf(out, "From: %s\n", from);
1121 BIO_printf(out, "Subject: %s\n", subject);
1122 if (operation == SMIME_RESIGN)
1123 ret = SMIME_write_CMS(out, cms, indata, flags);
1125 ret = SMIME_write_CMS(out, cms, in, flags);
1127 else if (outformat == FORMAT_PEM)
1128 ret = PEM_write_bio_CMS(out, cms);
1129 else if (outformat == FORMAT_ASN1)
1130 ret = i2d_CMS_bio(out,cms);
1133 BIO_printf(bio_err, "Bad output format for CMS file\n");
1145 ERR_print_errors(bio_err);
1147 app_RAND_write_file(NULL, bio_err);
1148 sk_X509_pop_free(encerts, X509_free);
1149 sk_X509_pop_free(other, X509_free);
1151 X509_VERIFY_PARAM_free(vpm);
1157 OPENSSL_free(secret_key);
1159 OPENSSL_free(secret_keyid);
1161 ASN1_OBJECT_free(econtent_type);
1163 CMS_ReceiptRequest_free(rr);
1168 X509_STORE_free(store);
1173 CMS_ContentInfo_free(cms);
1174 CMS_ContentInfo_free(rcms);
1179 if (passin) OPENSSL_free(passin);
1183 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1189 tmp = BIO_new_file(signerfile, "w");
1191 for(i = 0; i < sk_X509_num(signers); i++)
1192 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1198 /* Minimal callback just to output policy info (if any) */
1200 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1204 error = X509_STORE_CTX_get_error(ctx);
1206 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1207 && ((error != X509_V_OK) || (ok != 2)))
1210 policies_print(NULL, ctx);
1216 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1218 STACK_OF(GENERAL_NAME) *gens;
1221 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1223 gens = sk_GENERAL_NAMES_value(gns, i);
1224 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1226 gen = sk_GENERAL_NAME_value(gens, j);
1228 GENERAL_NAME_print(out, gen);
1229 BIO_puts(out, "\n");
1235 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1237 STACK_OF(CMS_SignerInfo) *sis;
1239 CMS_ReceiptRequest *rr;
1241 STACK_OF(GENERAL_NAMES) *rto, *rlist;
1244 sis = CMS_get0_SignerInfos(cms);
1245 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1247 si = sk_CMS_SignerInfo_value(sis, i);
1248 rv = CMS_get1_ReceiptRequest(si, &rr);
1249 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1251 BIO_puts(bio_err, " No Receipt Request\n");
1254 BIO_puts(bio_err, " Receipt Request Parse Error\n");
1255 ERR_print_errors(bio_err);
1261 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1263 BIO_puts(out, " Signed Content ID:\n");
1264 idlen = ASN1_STRING_length(scid);
1265 id = (char *)ASN1_STRING_data(scid);
1266 BIO_dump_indent(out, id, idlen, 4);
1267 BIO_puts(out, " Receipts From");
1270 BIO_puts(out, " List:\n");
1271 gnames_stack_print(out, rlist);
1273 else if (allorfirst == 1)
1274 BIO_puts(out, ": First Tier\n");
1275 else if (allorfirst == 0)
1276 BIO_puts(out, ": All\n");
1278 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1279 BIO_puts(out, " Receipts To:\n");
1280 gnames_stack_print(out, rto);
1283 CMS_ReceiptRequest_free(rr);
1287 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK *ns)
1290 STACK_OF(GENERAL_NAMES) *ret;
1291 GENERAL_NAMES *gens = NULL;
1292 GENERAL_NAME *gen = NULL;
1293 ret = sk_GENERAL_NAMES_new_null();
1296 for (i = 0; i < sk_num(ns); i++)
1300 cnf.value = sk_value(ns, i);
1301 gen = v2i_GENERAL_NAME(NULL, NULL, &cnf);
1304 gens = GENERAL_NAMES_new();
1307 if (!sk_GENERAL_NAME_push(gens, gen))
1310 if (!sk_GENERAL_NAMES_push(ret, gens))
1319 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1321 GENERAL_NAMES_free(gens);
1323 GENERAL_NAME_free(gen);
1328 static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
1331 STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1332 CMS_ReceiptRequest *rr;
1333 rct_to = make_names_stack(rr_to);
1338 rct_from = make_names_stack(rr_from);
1344 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,