3 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
64 #include <openssl/bio.h>
65 #include <openssl/err.h>
66 #include <openssl/pem.h>
67 #include <openssl/rand.h>
68 #include <openssl/ts.h>
69 #include <openssl/bn.h>
74 /* Length of the nonce of the request in bits (must be a multiple of 8). */
75 #define NONCE_LENGTH 64
77 /* Macro definitions for the configuration file. */
78 #define ENV_OID_FILE "oid_file"
80 /* Local function declarations. */
82 static ASN1_OBJECT *txt2obj(const char *oid);
83 static CONF *load_config_file(const char *configfile);
85 /* Query related functions. */
86 static int query_command(const char *data, char *digest,
87 const EVP_MD *md, const char *policy, int no_nonce,
88 int cert, const char *in, const char *out, int text);
89 static BIO *BIO_open_with_default(const char *file, const char *mode,
91 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
92 const char *policy, int no_nonce, int cert);
93 static int create_digest(BIO *input, char *digest,
94 const EVP_MD *md, unsigned char **md_value);
95 static ASN1_INTEGER *create_nonce(int bits);
97 /* Reply related functions. */
98 static int reply_command(CONF *conf, char *section, char *engine,
99 char *queryfile, char *passin, char *inkey,
100 char *signer, char *chain, const char *policy,
101 char *in, int token_in, char *out, int token_out,
103 static TS_RESP *read_PKCS7(BIO *in_bio);
104 static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
105 char *queryfile, char *passin, char *inkey,
106 char *signer, char *chain,
108 static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data);
109 static ASN1_INTEGER *next_serial(const char *serialfile);
110 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial);
112 /* Verify related functions. */
113 static int verify_command(char *data, char *digest, char *queryfile,
114 char *in, int token_in,
115 char *ca_path, char *ca_file, char *untrusted);
116 static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
118 char *ca_path, char *ca_file,
120 static X509_STORE *create_cert_store(char *ca_path, char *ca_file);
121 static int verify_cb(int ok, X509_STORE_CTX *ctx);
123 /* Main function definition. */
124 int MAIN(int, char **);
126 int MAIN(int argc, char **argv)
129 char *configfile = NULL;
130 char *section = NULL;
133 CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY
137 const EVP_MD *md = NULL;
145 char *queryfile = NULL;
146 char *passin = NULL; /* Password source. */
147 char *password = NULL; /* Password itself. */
151 char *ca_path = NULL;
152 char *ca_file = NULL;
153 char *untrusted = NULL;
155 /* Input is ContentInfo instead of TimeStampResp. */
157 /* Output is ContentInfo instead of TimeStampResp. */
159 int free_bio_err = 0;
161 ERR_load_crypto_strings();
164 if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL) {
165 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
169 if (!load_config(bio_err, NULL))
172 for (argc--, argv++; argc > 0; argc--, argv++) {
173 if (strcmp(*argv, "-config") == 0) {
176 configfile = *++argv;
177 } else if (strcmp(*argv, "-section") == 0) {
181 } else if (strcmp(*argv, "-query") == 0) {
182 if (mode != CMD_NONE)
185 } else if (strcmp(*argv, "-data") == 0) {
189 } else if (strcmp(*argv, "-digest") == 0) {
193 } else if (strcmp(*argv, "-rand") == 0) {
197 } else if (strcmp(*argv, "-policy") == 0) {
201 } else if (strcmp(*argv, "-no_nonce") == 0) {
203 } else if (strcmp(*argv, "-cert") == 0) {
205 } else if (strcmp(*argv, "-in") == 0) {
209 } else if (strcmp(*argv, "-token_in") == 0) {
211 } else if (strcmp(*argv, "-out") == 0) {
215 } else if (strcmp(*argv, "-token_out") == 0) {
217 } else if (strcmp(*argv, "-text") == 0) {
219 } else if (strcmp(*argv, "-reply") == 0) {
220 if (mode != CMD_NONE)
223 } else if (strcmp(*argv, "-queryfile") == 0) {
227 } else if (strcmp(*argv, "-passin") == 0) {
231 } else if (strcmp(*argv, "-inkey") == 0) {
235 } else if (strcmp(*argv, "-signer") == 0) {
239 } else if (strcmp(*argv, "-chain") == 0) {
243 } else if (strcmp(*argv, "-verify") == 0) {
244 if (mode != CMD_NONE)
247 } else if (strcmp(*argv, "-CApath") == 0) {
251 } else if (strcmp(*argv, "-CAfile") == 0) {
255 } else if (strcmp(*argv, "-untrusted") == 0) {
259 } else if (strcmp(*argv, "-engine") == 0) {
263 } else if ((md = EVP_get_digestbyname(*argv + 1)) != NULL) {
269 /* Seed the random number generator if it is going to be used. */
270 if (mode == CMD_QUERY && !no_nonce) {
271 if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL)
272 BIO_printf(bio_err, "warning, not much extra random "
273 "data, consider using the -rand option\n");
275 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
276 app_RAND_load_files(rnd));
279 /* Get the password if required. */
280 if (mode == CMD_REPLY && passin &&
281 !app_passwd(bio_err, passin, NULL, &password, NULL)) {
282 BIO_printf(bio_err, "Error getting password.\n");
287 * Check consistency of parameters and execute the appropriate function.
294 * Data file and message imprint cannot be specified at the same
297 ret = data != NULL && digest != NULL;
300 /* Load the config file for possible policy OIDs. */
301 conf = load_config_file(configfile);
302 ret = !query_command(data, digest, md, policy, no_nonce, cert,
306 conf = load_config_file(configfile);
308 ret = !(queryfile != NULL && conf != NULL && !token_in);
312 /* 'in' and 'queryfile' are exclusive. */
313 ret = !(queryfile == NULL);
318 ret = !reply_command(conf, section, engine, queryfile,
319 password, inkey, signer, chain, policy,
320 in, token_in, out, token_out, text);
323 ret = !(((queryfile && !data && !digest)
324 || (!queryfile && data && !digest)
325 || (!queryfile && !data && digest))
330 ret = !verify_command(data, digest, queryfile, in, token_in,
331 ca_path, ca_file, untrusted);
337 BIO_printf(bio_err, "usage:\n"
338 "ts -query [-rand file%cfile%c...] [-config configfile] "
339 "[-data file_to_hash] [-digest digest_bytes]"
340 "[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] "
341 "[-policy object_id] [-no_nonce] [-cert] "
342 "[-in request.tsq] [-out request.tsq] [-text]\n",
343 LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
344 BIO_printf(bio_err, "or\n"
345 "ts -reply [-config configfile] [-section tsa_section] "
346 "[-queryfile request.tsq] [-passin password] "
347 "[-signer tsa_cert.pem] [-inkey private_key.pem] "
348 "[-chain certs_file.pem] [-policy object_id] "
349 "[-in response.tsr] [-token_in] "
350 "[-out response.tsr] [-token_out] [-text] [-engine id]\n");
351 BIO_printf(bio_err, "or\n"
352 "ts -verify [-data file_to_hash] [-digest digest_bytes] "
353 "[-queryfile request.tsq] "
354 "-in response.tsr [-token_in] "
355 "-CApath ca_path -CAfile ca_file.pem "
356 "-untrusted cert_file.pem\n");
359 app_RAND_write_file(NULL, bio_err);
361 OPENSSL_free(password);
364 BIO_free_all(bio_err);
372 * Configuration file-related function definitions.
375 static ASN1_OBJECT *txt2obj(const char *oid)
377 ASN1_OBJECT *oid_obj = NULL;
379 if (!(oid_obj = OBJ_txt2obj(oid, 0)))
380 BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
385 static CONF *load_config_file(const char *configfile)
391 configfile = getenv("OPENSSL_CONF");
393 configfile = getenv("SSLEAY_CONF");
396 (!(conf = NCONF_new(NULL)) ||
397 NCONF_load(conf, configfile, &errorline) <= 0)) {
399 BIO_printf(bio_err, "error loading the config file "
400 "'%s'\n", configfile);
402 BIO_printf(bio_err, "error on line %ld of config file "
403 "'%s'\n", errorline, configfile);
409 BIO_printf(bio_err, "Using configuration from %s\n", configfile);
410 p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
412 BIO *oid_bio = BIO_new_file(p, "r");
414 ERR_print_errors(bio_err);
416 OBJ_create_objects(oid_bio);
417 BIO_free_all(oid_bio);
421 if (!add_oid_section(bio_err, conf))
422 ERR_print_errors(bio_err);
428 * Query-related method definitions.
431 static int query_command(const char *data, char *digest, const EVP_MD *md,
432 const char *policy, int no_nonce,
433 int cert, const char *in, const char *out, int text)
436 TS_REQ *query = NULL;
438 BIO *data_bio = NULL;
441 /* Build query object either from file or from scratch. */
443 if ((in_bio = BIO_new_file(in, "rb")) == NULL)
445 query = d2i_TS_REQ_bio(in_bio, NULL);
448 * Open the file if no explicit digest bytes were specified.
450 if (!digest && !(data_bio = BIO_open_with_default(data, "rb", stdin)))
452 /* Creating the query object. */
453 query = create_query(data_bio, digest, md, policy, no_nonce, cert);
454 /* Saving the random number generator state. */
459 /* Write query either in ASN.1 or in text format. */
460 if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
464 if (!TS_REQ_print_bio(out_bio, query))
468 if (!i2d_TS_REQ_bio(out_bio, query))
475 ERR_print_errors(bio_err);
478 BIO_free_all(in_bio);
479 BIO_free_all(data_bio);
480 BIO_free_all(out_bio);
486 static BIO *BIO_open_with_default(const char *file, const char *mode,
489 return file == NULL ? BIO_new_fp(default_fp, BIO_NOCLOSE)
490 : BIO_new_file(file, mode);
493 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
494 const char *policy, int no_nonce, int cert)
497 TS_REQ *ts_req = NULL;
499 TS_MSG_IMPRINT *msg_imprint = NULL;
500 X509_ALGOR *algo = NULL;
501 unsigned char *data = NULL;
502 ASN1_OBJECT *policy_obj = NULL;
503 ASN1_INTEGER *nonce_asn1 = NULL;
505 /* Setting default message digest. */
506 if (!md && !(md = EVP_get_digestbyname("sha1")))
509 /* Creating request object. */
510 if (!(ts_req = TS_REQ_new()))
513 /* Setting version. */
514 if (!TS_REQ_set_version(ts_req, 1))
517 /* Creating and adding MSG_IMPRINT object. */
518 if (!(msg_imprint = TS_MSG_IMPRINT_new()))
521 /* Adding algorithm. */
522 if (!(algo = X509_ALGOR_new()))
524 if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md))))
526 if (!(algo->parameter = ASN1_TYPE_new()))
528 algo->parameter->type = V_ASN1_NULL;
529 if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo))
532 /* Adding message digest. */
533 if ((len = create_digest(data_bio, digest, md, &data)) == 0)
535 if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len))
538 if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint))
541 /* Setting policy if requested. */
542 if (policy && !(policy_obj = txt2obj(policy)))
544 if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj))
547 /* Setting nonce if requested. */
548 if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH)))
550 if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1))
553 /* Setting certificate request flag if requested. */
554 if (!TS_REQ_set_cert_req(ts_req, cert))
562 BIO_printf(bio_err, "could not create query\n");
564 TS_MSG_IMPRINT_free(msg_imprint);
565 X509_ALGOR_free(algo);
567 ASN1_OBJECT_free(policy_obj);
568 ASN1_INTEGER_free(nonce_asn1);
572 static int create_digest(BIO *input, char *digest, const EVP_MD *md,
573 unsigned char **md_value)
577 md_value_len = EVP_MD_size(md);
578 if (md_value_len < 0)
581 /* Digest must be computed from an input file. */
583 unsigned char buffer[4096];
586 *md_value = OPENSSL_malloc(md_value_len);
590 EVP_DigestInit(&md_ctx, md);
591 while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0) {
592 EVP_DigestUpdate(&md_ctx, buffer, length);
594 if (!EVP_DigestFinal(&md_ctx, *md_value, NULL))
597 /* Digest bytes are specified with digest. */
599 *md_value = string_to_hex(digest, &digest_len);
600 if (!*md_value || md_value_len != digest_len) {
601 OPENSSL_free(*md_value);
603 BIO_printf(bio_err, "bad digest, %d bytes "
604 "must be specified\n", md_value_len);
614 static ASN1_INTEGER *create_nonce(int bits)
616 unsigned char buf[20];
617 ASN1_INTEGER *nonce = NULL;
618 int len = (bits - 1) / 8 + 1;
621 /* Generating random byte sequence. */
622 if (len > (int)sizeof(buf))
624 if (RAND_bytes(buf, len) <= 0)
627 /* Find the first non-zero byte and creating ASN1_INTEGER object. */
628 for (i = 0; i < len && !buf[i]; ++i) ;
629 if (!(nonce = ASN1_INTEGER_new()))
631 OPENSSL_free(nonce->data);
632 /* Allocate at least one byte. */
633 nonce->length = len - i;
634 if (!(nonce->data = OPENSSL_malloc(nonce->length + 1)))
636 memcpy(nonce->data, buf + i, nonce->length);
640 BIO_printf(bio_err, "could not create nonce\n");
641 ASN1_INTEGER_free(nonce);
646 * Reply-related method definitions.
649 static int reply_command(CONF *conf, char *section, char *engine,
650 char *queryfile, char *passin, char *inkey,
651 char *signer, char *chain, const char *policy,
652 char *in, int token_in,
653 char *out, int token_out, int text)
656 TS_RESP *response = NULL;
658 BIO *query_bio = NULL;
659 BIO *inkey_bio = NULL;
660 BIO *signer_bio = NULL;
663 /* Build response object either from response or query. */
665 if ((in_bio = BIO_new_file(in, "rb")) == NULL)
669 * We have a ContentInfo (PKCS7) object, add 'granted' status
672 response = read_PKCS7(in_bio);
674 /* We have a ready-made TS_RESP object. */
675 response = d2i_TS_RESP_bio(in_bio, NULL);
678 response = create_response(conf, section, engine, queryfile,
679 passin, inkey, signer, chain, policy);
681 BIO_printf(bio_err, "Response has been generated.\n");
683 BIO_printf(bio_err, "Response is not generated.\n");
685 if (response == NULL)
688 /* Write response either in ASN.1 or text format. */
689 if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
694 TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
695 if (!TS_TST_INFO_print_bio(out_bio, tst_info))
698 if (!TS_RESP_print_bio(out_bio, response))
702 /* ASN.1 DER output. */
704 PKCS7 *token = TS_RESP_get_token(response);
705 if (!i2d_PKCS7_bio(out_bio, token))
708 if (!i2d_TS_RESP_bio(out_bio, response))
716 ERR_print_errors(bio_err);
719 BIO_free_all(in_bio);
720 BIO_free_all(query_bio);
721 BIO_free_all(inkey_bio);
722 BIO_free_all(signer_bio);
723 BIO_free_all(out_bio);
724 TS_RESP_free(response);
729 /* Reads a PKCS7 token and adds default 'granted' status info to it. */
730 static TS_RESP *read_PKCS7(BIO *in_bio)
734 TS_TST_INFO *tst_info = NULL;
735 TS_RESP *resp = NULL;
736 TS_STATUS_INFO *si = NULL;
738 /* Read PKCS7 object and extract the signed time stamp info. */
739 if (!(token = d2i_PKCS7_bio(in_bio, NULL)))
741 if (!(tst_info = PKCS7_to_TS_TST_INFO(token)))
744 /* Creating response object. */
745 if (!(resp = TS_RESP_new()))
748 /* Create granted status info. */
749 if (!(si = TS_STATUS_INFO_new()))
751 if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED)))
753 if (!TS_RESP_set_status_info(resp, si))
756 /* Setting encapsulated token. */
757 TS_RESP_set_tst_info(resp, token, tst_info);
758 token = NULL; /* Ownership is lost. */
759 tst_info = NULL; /* Ownership is lost. */
764 TS_TST_INFO_free(tst_info);
769 TS_STATUS_INFO_free(si);
773 static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
774 char *queryfile, char *passin, char *inkey,
775 char *signer, char *chain, const char *policy)
778 TS_RESP *response = NULL;
779 BIO *query_bio = NULL;
780 TS_RESP_CTX *resp_ctx = NULL;
782 if (!(query_bio = BIO_new_file(queryfile, "rb")))
785 /* Getting TSA configuration section. */
786 if (!(section = TS_CONF_get_tsa_section(conf, section)))
789 /* Setting up response generation context. */
790 if (!(resp_ctx = TS_RESP_CTX_new()))
793 /* Setting serial number provider callback. */
794 if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx))
796 #ifndef OPENSSL_NO_ENGINE
797 /* Setting default OpenSSL engine. */
798 if (!TS_CONF_set_crypto_device(conf, section, engine))
802 /* Setting TSA signer certificate. */
803 if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx))
806 /* Setting TSA signer certificate chain. */
807 if (!TS_CONF_set_certs(conf, section, chain, resp_ctx))
810 /* Setting TSA signer private key. */
811 if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
814 /* Setting default policy OID. */
815 if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx))
818 /* Setting acceptable policy OIDs. */
819 if (!TS_CONF_set_policies(conf, section, resp_ctx))
822 /* Setting the acceptable one-way hash algorithms. */
823 if (!TS_CONF_set_digests(conf, section, resp_ctx))
826 /* Setting guaranteed time stamp accuracy. */
827 if (!TS_CONF_set_accuracy(conf, section, resp_ctx))
830 /* Setting the precision of the time. */
831 if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
834 /* Setting the ordering flaf if requested. */
835 if (!TS_CONF_set_ordering(conf, section, resp_ctx))
838 /* Setting the TSA name required flag if requested. */
839 if (!TS_CONF_set_tsa_name(conf, section, resp_ctx))
842 /* Setting the ESS cert id chain flag if requested. */
843 if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx))
846 /* Creating the response. */
847 if (!(response = TS_RESP_create_response(resp_ctx, query_bio)))
853 TS_RESP_free(response);
856 TS_RESP_CTX_free(resp_ctx);
857 BIO_free_all(query_bio);
862 static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data)
864 const char *serial_file = (const char *)data;
865 ASN1_INTEGER *serial = next_serial(serial_file);
868 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
869 "Error during serial number "
871 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_ADD_INFO_NOT_AVAILABLE);
873 save_ts_serial(serial_file, serial);
878 static ASN1_INTEGER *next_serial(const char *serialfile)
882 ASN1_INTEGER *serial = NULL;
885 if (!(serial = ASN1_INTEGER_new()))
888 if (!(in = BIO_new_file(serialfile, "r"))) {
890 BIO_printf(bio_err, "Warning: could not open file %s for "
891 "reading, using serial number: 1\n", serialfile);
892 if (!ASN1_INTEGER_set(serial, 1))
896 if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) {
897 BIO_printf(bio_err, "unable to load number from %s\n",
901 if (!(bn = ASN1_INTEGER_to_BN(serial, NULL)))
903 ASN1_INTEGER_free(serial);
905 if (!BN_add_word(bn, 1))
907 if (!(serial = BN_to_ASN1_INTEGER(bn, NULL)))
913 ASN1_INTEGER_free(serial);
921 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial)
926 if (!(out = BIO_new_file(serialfile, "w")))
928 if (i2a_ASN1_INTEGER(out, serial) <= 0)
930 if (BIO_puts(out, "\n") <= 0)
935 BIO_printf(bio_err, "could not save serial number to %s\n",
942 * Verify-related method definitions.
945 static int verify_command(char *data, char *digest, char *queryfile,
946 char *in, int token_in,
947 char *ca_path, char *ca_file, char *untrusted)
951 TS_RESP *response = NULL;
952 TS_VERIFY_CTX *verify_ctx = NULL;
955 /* Decode the token (PKCS7) or response (TS_RESP) files. */
956 if (!(in_bio = BIO_new_file(in, "rb")))
959 if (!(token = d2i_PKCS7_bio(in_bio, NULL)))
962 if (!(response = d2i_TS_RESP_bio(in_bio, NULL)))
966 if (!(verify_ctx = create_verify_ctx(data, digest, queryfile,
967 ca_path, ca_file, untrusted)))
970 /* Checking the token or response against the request. */
972 TS_RESP_verify_token(verify_ctx, token) :
973 TS_RESP_verify_response(verify_ctx, response);
976 printf("Verification: ");
981 /* Print errors, if there are any. */
982 ERR_print_errors(bio_err);
986 BIO_free_all(in_bio);
988 TS_RESP_free(response);
989 TS_VERIFY_CTX_free(verify_ctx);
993 static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
995 char *ca_path, char *ca_file,
998 TS_VERIFY_CTX *ctx = NULL;
1000 TS_REQ *request = NULL;
1003 if (data != NULL || digest != NULL) {
1004 if (!(ctx = TS_VERIFY_CTX_new()))
1006 ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER;
1008 ctx->flags |= TS_VFY_DATA;
1009 if (!(ctx->data = BIO_new_file(data, "rb")))
1011 } else if (digest != NULL) {
1013 ctx->flags |= TS_VFY_IMPRINT;
1014 if (!(ctx->imprint = string_to_hex(digest, &imprint_len))) {
1015 BIO_printf(bio_err, "invalid digest string\n");
1018 ctx->imprint_len = imprint_len;
1021 } else if (queryfile != NULL) {
1023 * The request has just to be read, decoded and converted to a verify
1026 if (!(input = BIO_new_file(queryfile, "rb")))
1028 if (!(request = d2i_TS_REQ_bio(input, NULL)))
1030 if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL)))
1035 /* Add the signature verification flag and arguments. */
1036 ctx->flags |= TS_VFY_SIGNATURE;
1038 /* Initialising the X509_STORE object. */
1039 if (!(ctx->store = create_cert_store(ca_path, ca_file)))
1042 /* Loading untrusted certificates. */
1043 if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted)))
1049 TS_VERIFY_CTX_free(ctx);
1052 BIO_free_all(input);
1053 TS_REQ_free(request);
1057 static X509_STORE *create_cert_store(char *ca_path, char *ca_file)
1059 X509_STORE *cert_ctx = NULL;
1060 X509_LOOKUP *lookup = NULL;
1063 /* Creating the X509_STORE object. */
1064 cert_ctx = X509_STORE_new();
1066 /* Setting the callback for certificate chain verification. */
1067 X509_STORE_set_verify_cb(cert_ctx, verify_cb);
1069 /* Adding a trusted certificate directory source. */
1071 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
1072 if (lookup == NULL) {
1073 BIO_printf(bio_err, "memory allocation failure\n");
1076 i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM);
1078 BIO_printf(bio_err, "Error loading directory %s\n", ca_path);
1083 /* Adding a trusted certificate file source. */
1085 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
1086 if (lookup == NULL) {
1087 BIO_printf(bio_err, "memory allocation failure\n");
1090 i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM);
1092 BIO_printf(bio_err, "Error loading file %s\n", ca_file);
1099 X509_STORE_free(cert_ctx);
1103 static int verify_cb(int ok, X509_STORE_CTX *ctx)
1110 X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),
1112 printf("%s\n", buf);
1113 printf("error %d at %d depth lookup: %s\n",
1114 ctx->error, ctx->error_depth,
1115 X509_verify_cert_error_string(ctx->error));