2 /* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2001 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 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/pem.h>
66 #include <openssl/rand.h>
67 #include <openssl/ts.h>
72 /* Length of the nonce of the request in bits (must be a multiple of 8). */
73 #define NONCE_LENGTH 64
75 /* Macro definitions for the configuration file. */
76 #define ENV_OID_FILE "oid_file"
78 /* Local function declarations. */
80 static ASN1_OBJECT *txt2obj(const char *oid);
81 static CONF *load_config_file(const char *configfile);
83 /* Query related functions. */
84 static int query_command(const char *data, char *digest,
85 const EVP_MD *md, const char *policy, int no_nonce,
86 int cert, const char *in, const char *out, int text);
87 static BIO *BIO_open_with_default(const char *file, const char *mode,
89 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
90 const char *policy, int no_nonce, int cert);
91 static int create_digest(BIO *input, char *digest,
92 const EVP_MD *md, unsigned char **md_value);
93 static ASN1_INTEGER *create_nonce(int bits);
95 /* Reply related functions. */
96 static int reply_command(CONF *conf, char *section, char *engine,
97 char *queryfile, char *passin, char *inkey,
98 char *signer, char *chain, const char *policy,
99 char *in, int token_in, char *out, int token_out,
101 static TS_RESP *read_PKCS7(BIO *in_bio);
102 static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
103 char *queryfile, char *passin, char *inkey,
104 char *signer, char *chain, const char *policy);
105 static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data);
106 static ASN1_INTEGER *next_serial(const char *serialfile);
107 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial);
109 /* Verify related functions. */
110 static int verify_command(char *data, char *digest, char *queryfile,
111 char *in, int token_in,
112 char *ca_path, char *ca_file, char *untrusted);
113 static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
115 char *ca_path, char *ca_file,
117 static X509_STORE *create_cert_store(char *ca_path, char *ca_file);
118 static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx);
120 /* Main function definition. */
122 int MAIN(int argc, char **argv)
125 char *configfile = NULL;
126 char *section = NULL;
129 CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY
133 const EVP_MD *md = NULL;
141 char *queryfile = NULL;
142 char *passin = NULL; /* Password source. */
143 char *password =NULL; /* Password itself. */
147 char *ca_path = NULL;
148 char *ca_file = NULL;
149 char *untrusted = NULL;
151 /* Input is ContentInfo instead of TimeStampResp. */
153 /* Output is ContentInfo instead of TimeStampResp. */
155 int free_bio_err = 0;
157 ERR_load_crypto_strings();
160 if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL)
163 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
166 for (argc--, argv++; argc > 0; argc--, argv++)
168 if (strcmp(*argv, "-config") == 0)
170 if (argc-- < 1) goto usage;
171 configfile = *++argv;
173 else if (strcmp(*argv, "-section") == 0)
175 if (argc-- < 1) goto usage;
178 else if (strcmp(*argv, "-query") == 0)
180 if (mode != CMD_NONE) goto usage;
183 else if (strcmp(*argv, "-data") == 0)
185 if (argc-- < 1) goto usage;
188 else if (strcmp(*argv, "-digest") == 0)
190 if (argc-- < 1) goto usage;
193 else if (strcmp(*argv, "-md2") == 0
194 || strcmp(*argv, "-md4") == 0
195 || strcmp(*argv, "-md5") == 0
196 || strcmp(*argv, "-sha") == 0
197 || strcmp(*argv, "-sha1") == 0
198 || strcmp(*argv, "-mdc2") == 0
199 || strcmp(*argv, "-ripemd160") == 0)
201 md = EVP_get_digestbyname(*argv + 1);
203 else if (strcmp(*argv, "-rand") == 0)
205 if (argc-- < 1) goto usage;
208 else if (strcmp(*argv, "-policy") == 0)
210 if (argc-- < 1) goto usage;
213 else if (strcmp(*argv, "-no_nonce") == 0)
217 else if (strcmp(*argv, "-cert") == 0)
221 else if (strcmp(*argv, "-in") == 0)
223 if (argc-- < 1) goto usage;
226 else if (strcmp(*argv, "-token_in") == 0)
230 else if (strcmp(*argv, "-out") == 0)
232 if (argc-- < 1) goto usage;
235 else if (strcmp(*argv, "-token_out") == 0)
239 else if (strcmp(*argv, "-text") == 0)
243 else if (strcmp(*argv, "-reply") == 0)
245 if (mode != CMD_NONE) goto usage;
248 else if (strcmp(*argv, "-queryfile") == 0)
250 if (argc-- < 1) goto usage;
253 else if (strcmp(*argv, "-passin") == 0)
255 if (argc-- < 1) goto usage;
258 else if (strcmp(*argv, "-inkey") == 0)
260 if (argc-- < 1) goto usage;
263 else if (strcmp(*argv, "-signer") == 0)
265 if (argc-- < 1) goto usage;
268 else if (strcmp(*argv, "-chain") == 0)
270 if (argc-- < 1) goto usage;
273 else if (strcmp(*argv, "-verify") == 0)
275 if (mode != CMD_NONE) goto usage;
278 else if (strcmp(*argv, "-CApath") == 0)
280 if (argc-- < 1) goto usage;
283 else if (strcmp(*argv, "-CAfile") == 0)
285 if (argc-- < 1) goto usage;
288 else if (strcmp(*argv, "-untrusted") == 0)
290 if (argc-- < 1) goto usage;
293 else if (strcmp(*argv, "-engine") == 0)
295 if (argc-- < 1) goto usage;
302 /* Seed the random number generator if it is going to be used. */
303 if (mode == CMD_QUERY && !no_nonce)
305 if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL)
306 BIO_printf(bio_err, "warning, not much extra random "
307 "data, consider using the -rand option\n");
309 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
310 app_RAND_load_files(rnd));
313 /* Get the password if required. */
314 if(mode == CMD_REPLY && passin &&
315 !app_passwd(bio_err, passin, NULL, &password, NULL))
317 BIO_printf(bio_err,"Error getting password.\n");
321 /* Check consistency of parameters and execute
322 the appropriate function. */
328 /* Data file and message imprint cannot be specified
330 ret = data != NULL && digest != NULL;
332 /* Load the config file for possible policy OIDs. */
333 conf = load_config_file(configfile);
334 ret = !query_command(data, digest, md, policy, no_nonce, cert,
338 conf = load_config_file(configfile);
341 ret = !(queryfile != NULL && conf != NULL && !token_in);
346 /* 'in' and 'queryfile' are exclusive. */
347 ret = !(queryfile == NULL);
351 ret = !reply_command(conf, section, engine, queryfile,
352 password, inkey, signer, chain, policy,
353 in, token_in, out, token_out, text);
356 ret = !(((queryfile && !data && !digest)
357 || (!queryfile && data && !digest)
358 || (!queryfile && !data && digest))
362 ret = !verify_command(data, digest, queryfile, in, token_in,
363 ca_path, ca_file, untrusted);
369 BIO_printf(bio_err, "usage:\n"
370 "ts -query [-rand file%cfile%c...] [-config configfile] "
371 "[-data file_to_hash] [-digest digest_bytes]"
372 "[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] "
373 "[-policy object_id] [-no_nonce] [-cert] "
374 "[-in request.tsq] [-out request.tsq] [-text]\n",
375 LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
376 BIO_printf(bio_err, "or\n"
377 "ts -reply [-config configfile] [-section tsa_section] "
378 "[-queryfile request.tsq] [-passin password] "
379 "[-signer tsa_cert.pem] [-inkey private_key.pem] "
380 "[-chain certs_file.pem] [-policy object_id] "
381 "[-in response.tsr] [-token_in] "
382 "[-out response.tsr] [-token_out] [-text] [-engine id]\n");
383 BIO_printf(bio_err, "or\n"
384 "ts -verify [-data file_to_hash] [-digest digest_bytes] "
385 "[-queryfile request.tsq] "
386 "-in response.tsr [-token_in] "
387 "-CApath ca_path -CAfile ca_file.pem "
388 "-untrusted cert_file.pem\n");
391 app_RAND_write_file(NULL, bio_err);
393 OPENSSL_free(password);
397 BIO_free_all(bio_err);
405 * Configuration file-related function definitions.
408 static ASN1_OBJECT *txt2obj(const char *oid)
410 ASN1_OBJECT *oid_obj = NULL;
412 if (!(oid_obj = OBJ_txt2obj(oid, 0)))
413 BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
418 static CONF *load_config_file(const char *configfile)
423 if (!configfile) configfile = getenv("OPENSSL_CONF");
424 if (!configfile) configfile = getenv("SSLEAY_CONF");
427 (!(conf = NCONF_new(NULL)) ||
428 NCONF_load(conf, configfile, &errorline) <= 0))
431 BIO_printf(bio_err, "error loading the config file "
432 "'%s'\n", configfile);
434 BIO_printf(bio_err, "error on line %ld of config file "
435 "'%s'\n", errorline, configfile);
442 BIO_printf(bio_err,"Using configuration from %s\n", configfile);
443 p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
446 BIO *oid_bio = BIO_new_file(p, "r");
448 ERR_print_errors(bio_err);
451 OBJ_create_objects(oid_bio);
452 BIO_free_all(oid_bio);
457 if(!add_oid_section(bio_err, conf))
458 ERR_print_errors(bio_err);
464 * Query-related method definitions.
467 static int query_command(const char *data, char *digest, const EVP_MD *md,
468 const char *policy, int no_nonce,
469 int cert, const char *in, const char *out, int text)
472 TS_REQ *query = NULL;
474 BIO *data_bio = NULL;
477 /* Build query object either from file or from scratch. */
480 if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
481 query = d2i_TS_REQ_bio(in_bio, NULL);
485 /* Open the file if no explicit digest bytes were specified. */
487 && !(data_bio = BIO_open_with_default(data, "rb", stdin)))
489 /* Creating the query object. */
490 query = create_query(data_bio, digest, md,
491 policy, no_nonce, cert);
492 /* Saving the random number generator state. */
494 if (query == NULL) goto end;
496 /* Write query either in ASN.1 or in text format. */
497 if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
502 if (!TS_REQ_print_bio(out_bio, query))
508 if (!i2d_TS_REQ_bio(out_bio, query))
515 ERR_print_errors(bio_err);
518 BIO_free_all(in_bio);
519 BIO_free_all(data_bio);
520 BIO_free_all(out_bio);
526 static BIO *BIO_open_with_default(const char *file, const char *mode,
529 return file == NULL ?
530 BIO_new_fp(default_fp, BIO_NOCLOSE)
531 : BIO_new_file(file, mode);
534 static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
535 const char *policy, int no_nonce, int cert)
538 TS_REQ *ts_req = NULL;
540 TS_MSG_IMPRINT *msg_imprint = NULL;
541 X509_ALGOR *algo = NULL;
542 unsigned char *data = NULL;
543 ASN1_OBJECT *policy_obj = NULL;
544 ASN1_INTEGER *nonce_asn1 = NULL;
546 /* Setting default message digest. */
547 if (!md && !(md = EVP_get_digestbyname("sha1"))) goto err;
549 /* Creating request object. */
550 if (!(ts_req = TS_REQ_new())) goto err;
552 /* Setting version. */
553 if (!TS_REQ_set_version(ts_req, 1)) goto err;
555 /* Creating and adding MSG_IMPRINT object. */
556 if (!(msg_imprint = TS_MSG_IMPRINT_new())) goto err;
558 /* Adding algorithm. */
559 if (!(algo = X509_ALGOR_new())) goto err;
560 if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md)))) goto err;
561 if (!(algo->parameter = ASN1_TYPE_new())) goto err;
562 algo->parameter->type = V_ASN1_NULL;
563 if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) goto err;
565 /* Adding message digest. */
566 if ((len = create_digest(data_bio, digest, md, &data)) == 0)
568 if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) goto err;
570 if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) goto err;
572 /* Setting policy if requested. */
573 if (policy && !(policy_obj = txt2obj(policy))) goto err;
574 if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) goto err;
576 /* Setting nonce if requested. */
577 if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH))) goto err;
578 if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) goto err;
580 /* Setting certificate request flag if requested. */
581 if (!TS_REQ_set_cert_req(ts_req, cert)) goto err;
589 BIO_printf(bio_err, "could not create query\n");
591 TS_MSG_IMPRINT_free(msg_imprint);
592 X509_ALGOR_free(algo);
594 ASN1_OBJECT_free(policy_obj);
595 ASN1_INTEGER_free(nonce_asn1);
599 static int create_digest(BIO *input, char *digest, const EVP_MD *md,
600 unsigned char **md_value)
604 md_value_len = EVP_MD_size(md);
607 /* Digest must be computed from an input file. */
609 unsigned char buffer[4096];
612 *md_value = OPENSSL_malloc(md_value_len);
613 if (*md_value == 0) goto err;
615 EVP_DigestInit(&md_ctx, md);
616 while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0)
618 EVP_DigestUpdate(&md_ctx, buffer, length);
620 EVP_DigestFinal(&md_ctx, *md_value, NULL);
624 /* Digest bytes are specified with digest. */
626 *md_value = string_to_hex(digest, &digest_len);
627 if (!*md_value || md_value_len != digest_len)
629 OPENSSL_free(*md_value);
631 BIO_printf(bio_err, "bad digest, %d bytes "
632 "must be specified\n", md_value_len);
642 static ASN1_INTEGER *create_nonce(int bits)
644 unsigned char buf[20];
645 ASN1_INTEGER *nonce = NULL;
646 int len = (bits - 1) / 8 + 1;
649 /* Generating random byte sequence. */
650 if (len > (int)sizeof(buf)) goto err;
651 if (!RAND_bytes(buf, len)) goto err;
653 /* Find the first non-zero byte and creating ASN1_INTEGER object. */
654 for (i = 0; i < len && !buf[i]; ++i);
655 if (!(nonce = ASN1_INTEGER_new())) goto err;
656 OPENSSL_free(nonce->data);
657 /* Allocate at least one byte. */
658 nonce->length = len - i;
659 if (!(nonce->data = OPENSSL_malloc(nonce->length + 1))) goto err;
660 memcpy(nonce->data, buf + i, nonce->length);
664 BIO_printf(bio_err, "could not create nonce\n");
665 ASN1_INTEGER_free(nonce);
669 * Reply-related method definitions.
672 static int reply_command(CONF *conf, char *section, char *engine,
673 char *queryfile, char *passin, char *inkey,
674 char *signer, char *chain, const char *policy,
675 char *in, int token_in,
676 char *out, int token_out, int text)
679 TS_RESP *response = NULL;
681 BIO *query_bio = NULL;
682 BIO *inkey_bio = NULL;
683 BIO *signer_bio = NULL;
686 /* Build response object either from response or query. */
689 if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
692 /* We have a ContentInfo (PKCS7) object, add
693 'granted' status info around it. */
694 response = read_PKCS7(in_bio);
698 /* We have a ready-made TS_RESP object. */
699 response = d2i_TS_RESP_bio(in_bio, NULL);
704 response = create_response(conf, section, engine, queryfile,
705 passin, inkey, signer, chain,
708 BIO_printf(bio_err, "Response has been generated.\n");
710 BIO_printf(bio_err, "Response is not generated.\n");
712 if (response == NULL) goto end;
714 /* Write response either in ASN.1 or text format. */
715 if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
722 TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
723 if (!TS_TST_INFO_print_bio(out_bio, tst_info)) goto end;
727 if (!TS_RESP_print_bio(out_bio, response)) goto end;
732 /* ASN.1 DER output. */
735 PKCS7 *token = TS_RESP_get_token(response);
736 if (!i2d_PKCS7_bio(out_bio, token)) goto end;
740 if (!i2d_TS_RESP_bio(out_bio, response)) goto end;
747 ERR_print_errors(bio_err);
750 BIO_free_all(in_bio);
751 BIO_free_all(query_bio);
752 BIO_free_all(inkey_bio);
753 BIO_free_all(signer_bio);
754 BIO_free_all(out_bio);
755 TS_RESP_free(response);
760 /* Reads a PKCS7 token and adds default 'granted' status info to it. */
761 static TS_RESP *read_PKCS7(BIO *in_bio)
765 TS_TST_INFO *tst_info = NULL;
766 TS_RESP *resp = NULL;
767 TS_STATUS_INFO *si = NULL;
769 /* Read PKCS7 object and extract the signed time stamp info. */
770 if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
771 if (!(tst_info = PKCS7_to_TS_TST_INFO(token))) goto end;
773 /* Creating response object. */
774 if (!(resp = TS_RESP_new())) goto end;
776 /* Create granted status info. */
777 if (!(si = TS_STATUS_INFO_new())) goto end;
778 if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED))) goto end;
779 if (!TS_RESP_set_status_info(resp, si)) goto end;
781 /* Setting encapsulated token. */
782 TS_RESP_set_tst_info(resp, token, tst_info);
783 token = NULL; /* Ownership is lost. */
784 tst_info = NULL; /* Ownership is lost. */
789 TS_TST_INFO_free(tst_info);
795 TS_STATUS_INFO_free(si);
799 static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
800 char *queryfile, char *passin, char *inkey,
801 char *signer, char *chain, const char *policy)
804 TS_RESP *response = NULL;
805 BIO *query_bio = NULL;
806 TS_RESP_CTX *resp_ctx = NULL;
808 if (!(query_bio = BIO_new_file(queryfile, "rb")))
811 /* Getting TSA configuration section. */
812 if (!(section = TS_CONF_get_tsa_section(conf, section)))
815 /* Setting up response generation context. */
816 if (!(resp_ctx = TS_RESP_CTX_new())) goto end;
818 /* Setting serial number provider callback. */
819 if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx)) goto end;
821 /* Setting default OpenSSL engine. */
822 if (!TS_CONF_set_crypto_device(conf, section, engine)) goto end;
824 /* Setting TSA signer certificate. */
825 if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx)) goto end;
827 /* Setting TSA signer certificate chain. */
828 if (!TS_CONF_set_certs(conf, section, chain, resp_ctx)) goto end;
830 /* Setting TSA signer private key. */
831 if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
834 /* Setting default policy OID. */
835 if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx)) goto end;
837 /* Setting acceptable policy OIDs. */
838 if (!TS_CONF_set_policies(conf, section, resp_ctx)) goto end;
840 /* Setting the acceptable one-way hash algorithms. */
841 if (!TS_CONF_set_digests(conf, section, resp_ctx)) goto end;
843 /* Setting guaranteed time stamp accuracy. */
844 if (!TS_CONF_set_accuracy(conf, section, resp_ctx)) goto end;
846 /* Setting the precision of the time. */
847 if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
850 /* Setting the ordering flaf if requested. */
851 if (!TS_CONF_set_ordering(conf, section, resp_ctx)) goto end;
853 /* Setting the TSA name required flag if requested. */
854 if (!TS_CONF_set_tsa_name(conf, section, resp_ctx)) goto end;
856 /* Setting the ESS cert id chain flag if requested. */
857 if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx)) goto end;
859 /* Creating the response. */
860 if (!(response = TS_RESP_create_response(resp_ctx, query_bio)))
867 TS_RESP_free(response);
870 TS_RESP_CTX_free(resp_ctx);
871 BIO_free_all(query_bio);
876 static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data)
878 const char *serial_file = (const char *) data;
879 ASN1_INTEGER *serial = next_serial(serial_file);
883 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
884 "Error during serial number "
886 TS_RESP_CTX_add_failure_info(ctx,
887 TS_INFO_ADD_INFO_NOT_AVAILABLE);
890 save_ts_serial(serial_file, serial);
895 static ASN1_INTEGER *next_serial(const char *serialfile)
899 ASN1_INTEGER *serial = NULL;
902 if (!(serial = ASN1_INTEGER_new())) goto err;
904 if (!(in = BIO_new_file(serialfile, "r")))
907 BIO_printf(bio_err, "Warning: could not open file %s for "
908 "reading, using serial number: 1\n", serialfile);
909 if (!ASN1_INTEGER_set(serial, 1)) goto err;
914 if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf)))
916 BIO_printf(bio_err, "unable to load number from %s\n",
920 if (!(bn = ASN1_INTEGER_to_BN(serial, NULL))) goto err;
921 ASN1_INTEGER_free(serial);
923 if (!BN_add_word(bn, 1)) goto err;
924 if (!(serial = BN_to_ASN1_INTEGER(bn, NULL))) goto err;
930 ASN1_INTEGER_free(serial);
938 static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial)
943 if (!(out = BIO_new_file(serialfile, "w"))) goto err;
944 if (i2a_ASN1_INTEGER(out, serial) <= 0) goto err;
945 if (BIO_puts(out, "\n") <= 0) goto err;
949 BIO_printf(bio_err, "could not save serial number to %s\n",
956 * Verify-related method definitions.
959 static int verify_command(char *data, char *digest, char *queryfile,
960 char *in, int token_in,
961 char *ca_path, char *ca_file, char *untrusted)
965 TS_RESP *response = NULL;
966 TS_VERIFY_CTX *verify_ctx = NULL;
969 /* Decode the token (PKCS7) or response (TS_RESP) files. */
970 if (!(in_bio = BIO_new_file(in, "rb"))) goto end;
973 if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
977 if (!(response = d2i_TS_RESP_bio(in_bio, NULL))) goto end;
980 if (!(verify_ctx = create_verify_ctx(data, digest, queryfile,
981 ca_path, ca_file, untrusted)))
984 /* Checking the token or response against the request. */
986 TS_RESP_verify_token(verify_ctx, token) :
987 TS_RESP_verify_response(verify_ctx, response);
990 printf("Verification: ");
996 /* Print errors, if there are any. */
997 ERR_print_errors(bio_err);
1001 BIO_free_all(in_bio);
1003 TS_RESP_free(response);
1004 TS_VERIFY_CTX_free(verify_ctx);
1008 static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
1010 char *ca_path, char *ca_file,
1013 TS_VERIFY_CTX *ctx = NULL;
1015 TS_REQ *request = NULL;
1018 if (data != NULL || digest != NULL)
1020 if (!(ctx = TS_VERIFY_CTX_new())) goto err;
1021 ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER;
1024 ctx->flags |= TS_VFY_DATA;
1025 if (!(ctx->data = BIO_new_file(data, "rb"))) goto err;
1027 else if (digest != NULL)
1030 ctx->flags |= TS_VFY_IMPRINT;
1031 if (!(ctx->imprint = string_to_hex(digest,
1034 BIO_printf(bio_err, "invalid digest string\n");
1037 ctx->imprint_len = imprint_len;
1041 else if (queryfile != NULL)
1043 /* The request has just to be read, decoded and converted to
1044 a verify context object. */
1045 if (!(input = BIO_new_file(queryfile, "rb"))) goto err;
1046 if (!(request = d2i_TS_REQ_bio(input, NULL))) goto err;
1047 if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL))) goto err;
1050 /* Add the signature verification flag and arguments. */
1051 ctx->flags |= TS_VFY_SIGNATURE;
1053 /* Initialising the X509_STORE object. */
1054 if (!(ctx->store = create_cert_store(ca_path, ca_file))) goto err;
1056 /* Loading untrusted certificates. */
1057 if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted)))
1064 TS_VERIFY_CTX_free(ctx);
1067 BIO_free_all(input);
1068 TS_REQ_free(request);
1072 static X509_STORE *create_cert_store(char *ca_path, char *ca_file)
1074 X509_STORE *cert_ctx = NULL;
1075 X509_LOOKUP *lookup = NULL;
1078 /* Creating the X509_STORE object. */
1079 cert_ctx = X509_STORE_new();
1081 /* Setting the callback for certificate chain verification. */
1082 X509_STORE_set_verify_cb_func(cert_ctx, verify_cb);
1084 /* Adding a trusted certificate directory source. */
1087 lookup = X509_STORE_add_lookup(cert_ctx,
1088 X509_LOOKUP_hash_dir());
1091 BIO_printf(bio_err, "memory allocation failure\n");
1094 i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM);
1097 BIO_printf(bio_err, "Error loading directory %s\n",
1103 /* Adding a trusted certificate file source. */
1106 lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
1109 BIO_printf(bio_err, "memory allocation failure\n");
1112 i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM);
1115 BIO_printf(bio_err, "Error loading file %s\n", ca_file);
1122 X509_STORE_free(cert_ctx);
1126 static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx)
1133 X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),
1135 printf("%s\n", buf);
1136 printf("error %d at %d depth lookup: %s\n",
1137 ctx->error, ctx->error_depth,
1138 X509_verify_cert_error_string(ctx->error));