2 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
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>
68 #include <openssl/bn.h>
70 /* Request nonce length, in bits (must be a multiple of 8). */
71 #define NONCE_LENGTH 64
73 /* Name of config entry that defines the OID file. */
74 #define ENV_OID_FILE "oid_file"
76 /* Is |EXACTLY_ONE| of three pointers set? */
77 #define EXACTLY_ONE(a, b, c) \
78 (( a && !b && !c) || \
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 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 const EVP_MD
*md
, char *signer
, char *chain
,
99 const char *policy
, char *in
, int token_in
,
100 char *out
, int token_out
, int text
);
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
,
104 char *inkey
, const EVP_MD
*md
, char *signer
,
105 char *chain
, const char *policy
);
106 static ASN1_INTEGER
*serial_cb(TS_RESP_CTX
*ctx
, void *data
);
107 static ASN1_INTEGER
*next_serial(const char *serialfile
);
108 static int save_ts_serial(const char *serialfile
, ASN1_INTEGER
*serial
);
110 /* Verify related functions. */
111 static int verify_command(char *data
, char *digest
, char *queryfile
,
112 char *in
, int token_in
,
113 char *CApath
, char *CAfile
, char *untrusted
);
114 static TS_VERIFY_CTX
*create_verify_ctx(char *data
, char *digest
,
116 char *CApath
, char *CAfile
,
118 static X509_STORE
*create_cert_store(char *CApath
, char *CAfile
);
119 static int verify_cb(int ok
, X509_STORE_CTX
*ctx
);
121 typedef enum OPTION_choice
{
122 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
123 OPT_ENGINE
, OPT_CONFIG
, OPT_SECTION
, OPT_QUERY
, OPT_DATA
,
124 OPT_DIGEST
, OPT_RAND
, OPT_POLICY
, OPT_NO_NONCE
, OPT_CERT
,
125 OPT_IN
, OPT_TOKEN_IN
, OPT_OUT
, OPT_TOKEN_OUT
, OPT_TEXT
,
126 OPT_REPLY
, OPT_QUERYFILE
, OPT_PASSIN
, OPT_INKEY
, OPT_SIGNER
,
127 OPT_CHAIN
, OPT_VERIFY
, OPT_CAPATH
, OPT_CAFILE
, OPT_UNTRUSTED
,
131 OPTIONS ts_options
[] = {
132 {"help", OPT_HELP
, '-', "Display this summary"},
133 {"config", OPT_CONFIG
, '<', "Configuration file"},
134 {"section", OPT_SECTION
, 's', "Section to use within config file"},
135 {"query", OPT_QUERY
, '-', "Generate a TS query"},
136 {"data", OPT_DATA
, '<', "File to hash"},
137 {"digest", OPT_DIGEST
, 's', "Digest (as a hex string)"},
138 {"rand", OPT_RAND
, 's',
139 "Load the file(s) into the random number generator"},
140 {"policy", OPT_POLICY
, 's', "Policy OID to use"},
141 {"no_nonce", OPT_NO_NONCE
, '-', "Do not include a nonce"},
142 {"cert", OPT_CERT
, '-', "Put cert request into query"},
143 {"in", OPT_IN
, '<', "Input file"},
144 {"token_in", OPT_TOKEN_IN
, '-', "Input is a PKCS#7 file"},
145 {"out", OPT_OUT
, '>', "Output file"},
146 {"token_out", OPT_TOKEN_OUT
, '-', "Output is a PKCS#7 file"},
147 {"text", OPT_TEXT
, '-', "Output text (not DER)"},
148 {"reply", OPT_REPLY
, '-', "Generate a TS reply"},
149 {"queryfile", OPT_QUERYFILE
, '<', "File containing a TS query"},
150 {"passin", OPT_PASSIN
, 's'},
151 {"inkey", OPT_INKEY
, '<', "File with private key for reply"},
152 {"signer", OPT_SIGNER
, 's'},
153 {"chain", OPT_CHAIN
, '<', "File with signer CA chain"},
154 {"verify", OPT_VERIFY
, '-', "Verify a TS response"},
155 {"CApath", OPT_CAPATH
, '/', "Path to trusted CA files"},
156 {"CAfile", OPT_CAFILE
, '<', "File with trusted CA certs"},
157 {"untrusted", OPT_UNTRUSTED
, '<', "File with untrusted certs"},
158 {"", OPT_MD
, '-', "Any supported digest"},
159 #ifndef OPENSSL_NO_ENGINE
160 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
166 * This comand is so complex, special help is needed.
168 static char* opt_helplist
[] = {
170 "ts -query [-rand file...] [-config file] [-data file]",
171 " [-digest hexstring] [-policy oid] [-no_nonce] [-cert]",
172 " [-in file] [-out file] [-text]",
174 "ts -reply [-config file] [-section tsa_section]",
175 " [-queryfile file] [-passin password]",
176 " [-signer tsa_cert.pem] [-inkey private_key.pem]",
177 " [-chain certs_file.pem] [-policy oid]",
178 " [-in file] [-token_in] [-out file] [-token_out]",
179 #ifndef OPENSSL_NO_ENGINE
182 " [-text] [-engine id]",
185 "ts -verify -CApath dir -CAfile file.pem -untrusted file.pem",
186 " [-data file] [-digest hexstring]",
187 " [-queryfile file] -in file [-token_in]",
191 int ts_main(int argc
, char **argv
)
194 char *CAfile
= NULL
, *untrusted
= NULL
, *engine
= NULL
, *prog
, **helpp
;
195 char *configfile
= default_config_file
;
196 char *section
= NULL
, *password
= NULL
;
197 char *data
= NULL
, *digest
= NULL
, *rnd
= NULL
, *policy
= NULL
;
198 char *in
= NULL
, *out
= NULL
, *queryfile
= NULL
, *passin
= NULL
;
199 char *inkey
= NULL
, *signer
= NULL
, *chain
= NULL
, *CApath
= NULL
;
200 const EVP_MD
*md
= NULL
;
201 OPTION_CHOICE o
, mode
= OPT_ERR
;
202 int ret
= 1, no_nonce
= 0, cert
= 0, text
= 0;
203 /* Input is ContentInfo instead of TimeStampResp. */
205 /* Output is ContentInfo instead of TimeStampResp. */
208 prog
= opt_init(argc
, argv
, ts_options
);
209 while ((o
= opt_next()) != OPT_EOF
) {
214 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
217 opt_help(ts_options
);
218 for (helpp
= opt_helplist
; *helpp
; ++helpp
)
219 BIO_printf(bio_err
, "%s\n", *helpp
);
223 configfile
= opt_arg();
269 queryfile
= opt_arg();
290 untrusted
= opt_arg();
296 if (!opt_md(opt_unknown(), &md
))
301 argc
= opt_num_rest();
303 if (mode
== OPT_ERR
|| argc
!= 0)
306 /* Seed the random number generator if it is going to be used. */
307 if (mode
== OPT_QUERY
&& !no_nonce
) {
308 if (!app_RAND_load_file(NULL
, 1) && rnd
== NULL
)
309 BIO_printf(bio_err
, "warning, not much extra random "
310 "data, consider using the -rand option\n");
312 BIO_printf(bio_err
, "%ld semi-random bytes loaded\n",
313 app_RAND_load_files(rnd
));
316 if (mode
== OPT_REPLY
&& passin
&&
317 !app_passwd(passin
, NULL
, &password
, NULL
)) {
318 BIO_printf(bio_err
, "Error getting password.\n");
322 conf
= load_config_file(configfile
);
323 if (!app_load_modules(conf
))
326 /* Check parameter consistency and execute the appropriate function. */
332 if ((data
!= NULL
) && (digest
!= NULL
))
334 ret
= !query_command(data
, digest
, md
, policy
, no_nonce
, cert
,
338 if ((in
!= NULL
) && (queryfile
!= NULL
))
341 if ((conf
== NULL
) || (token_in
!= 0))
344 ret
= !reply_command(conf
, section
, engine
, queryfile
,
345 password
, inkey
, md
, signer
, chain
, policy
,
346 in
, token_in
, out
, token_out
, text
);
349 if ((in
== NULL
) || !EXACTLY_ONE(queryfile
, data
, digest
))
351 ret
= !verify_command(data
, digest
, queryfile
, in
, token_in
,
352 CApath
, CAfile
, untrusted
);
356 app_RAND_write_file(NULL
);
358 OPENSSL_free(password
);
364 * Configuration file-related function definitions.
367 static ASN1_OBJECT
*txt2obj(const char *oid
)
369 ASN1_OBJECT
*oid_obj
= NULL
;
371 if ((oid_obj
= OBJ_txt2obj(oid
, 0)) == NULL
)
372 BIO_printf(bio_err
, "cannot convert %s to OID\n", oid
);
377 static CONF
*load_config_file(const char *configfile
)
379 CONF
*conf
= app_load_config(configfile
);
384 BIO_printf(bio_err
, "Using configuration from %s\n", configfile
);
385 p
= NCONF_get_string(conf
, NULL
, ENV_OID_FILE
);
387 BIO
*oid_bio
= BIO_new_file(p
, "r");
389 ERR_print_errors(bio_err
);
391 OBJ_create_objects(oid_bio
);
392 BIO_free_all(oid_bio
);
396 if (!add_oid_section(conf
))
397 ERR_print_errors(bio_err
);
403 * Query-related method definitions.
405 static int query_command(const char *data
, char *digest
, const EVP_MD
*md
,
406 const char *policy
, int no_nonce
,
407 int cert
, const char *in
, const char *out
, int text
)
410 TS_REQ
*query
= NULL
;
412 BIO
*data_bio
= NULL
;
415 /* Build query object. */
417 if ((in_bio
= bio_open_default(in
, 'r', FORMAT_ASN1
)) == NULL
)
419 query
= d2i_TS_REQ_bio(in_bio
, NULL
);
422 && (data_bio
= bio_open_default(data
, 'r', FORMAT_ASN1
)) == NULL
)
424 query
= create_query(data_bio
, digest
, md
, policy
, no_nonce
, cert
);
430 if ((out_bio
= bio_open_default(out
, 'w', FORMAT_TEXT
)) == NULL
)
432 if (!TS_REQ_print_bio(out_bio
, query
))
435 if ((out_bio
= bio_open_default(out
, 'w', FORMAT_ASN1
)) == NULL
)
437 if (!i2d_TS_REQ_bio(out_bio
, query
))
444 ERR_print_errors(bio_err
);
445 BIO_free_all(in_bio
);
446 BIO_free_all(data_bio
);
447 BIO_free_all(out_bio
);
452 static TS_REQ
*create_query(BIO
*data_bio
, char *digest
, const EVP_MD
*md
,
453 const char *policy
, int no_nonce
, int cert
)
456 TS_REQ
*ts_req
= NULL
;
458 TS_MSG_IMPRINT
*msg_imprint
= NULL
;
459 X509_ALGOR
*algo
= NULL
;
460 unsigned char *data
= NULL
;
461 ASN1_OBJECT
*policy_obj
= NULL
;
462 ASN1_INTEGER
*nonce_asn1
= NULL
;
464 if (md
== NULL
&& (md
= EVP_get_digestbyname("sha1")) == NULL
)
466 if ((ts_req
= TS_REQ_new()) == NULL
)
468 if (!TS_REQ_set_version(ts_req
, 1))
470 if ((msg_imprint
= TS_MSG_IMPRINT_new()) == NULL
)
472 if ((algo
= X509_ALGOR_new()) == NULL
)
474 if ((algo
->algorithm
= OBJ_nid2obj(EVP_MD_type(md
))) == NULL
)
476 if ((algo
->parameter
= ASN1_TYPE_new()) == NULL
)
478 algo
->parameter
->type
= V_ASN1_NULL
;
479 if (!TS_MSG_IMPRINT_set_algo(msg_imprint
, algo
))
481 if ((len
= create_digest(data_bio
, digest
, md
, &data
)) == 0)
483 if (!TS_MSG_IMPRINT_set_msg(msg_imprint
, data
, len
))
485 if (!TS_REQ_set_msg_imprint(ts_req
, msg_imprint
))
487 if (policy
&& (policy_obj
= txt2obj(policy
)) == NULL
)
489 if (policy_obj
&& !TS_REQ_set_policy_id(ts_req
, policy_obj
))
492 /* Setting nonce if requested. */
493 if (!no_nonce
&& (nonce_asn1
= create_nonce(NONCE_LENGTH
)) == NULL
)
495 if (nonce_asn1
&& !TS_REQ_set_nonce(ts_req
, nonce_asn1
))
497 if (!TS_REQ_set_cert_req(ts_req
, cert
))
505 BIO_printf(bio_err
, "could not create query\n");
506 ERR_print_errors(bio_err
);
508 TS_MSG_IMPRINT_free(msg_imprint
);
509 X509_ALGOR_free(algo
);
511 ASN1_OBJECT_free(policy_obj
);
512 ASN1_INTEGER_free(nonce_asn1
);
516 static int create_digest(BIO
*input
, char *digest
, const EVP_MD
*md
,
517 unsigned char **md_value
)
521 md_value_len
= EVP_MD_size(md
);
522 if (md_value_len
< 0)
526 EVP_MD_CTX
*md_ctx
= EVP_MD_CTX_new();
527 unsigned char buffer
[4096];
532 *md_value
= app_malloc(md_value_len
, "digest buffer");
533 EVP_DigestInit(md_ctx
, md
);
534 while ((length
= BIO_read(input
, buffer
, sizeof(buffer
))) > 0) {
535 EVP_DigestUpdate(md_ctx
, buffer
, length
);
537 if (!EVP_DigestFinal(md_ctx
, *md_value
, NULL
)) {
538 EVP_MD_CTX_free(md_ctx
);
541 EVP_MD_CTX_free(md_ctx
);
544 *md_value
= string_to_hex(digest
, &digest_len
);
545 if (!*md_value
|| md_value_len
!= digest_len
) {
546 OPENSSL_free(*md_value
);
548 BIO_printf(bio_err
, "bad digest, %d bytes "
549 "must be specified\n", md_value_len
);
556 static ASN1_INTEGER
*create_nonce(int bits
)
558 unsigned char buf
[20];
559 ASN1_INTEGER
*nonce
= NULL
;
560 int len
= (bits
- 1) / 8 + 1;
563 if (len
> (int)sizeof(buf
))
565 if (RAND_bytes(buf
, len
) <= 0)
568 /* Find the first non-zero byte and creating ASN1_INTEGER object. */
569 for (i
= 0; i
< len
&& !buf
[i
]; ++i
)
571 if ((nonce
= ASN1_INTEGER_new()) == NULL
)
573 OPENSSL_free(nonce
->data
);
574 nonce
->length
= len
- i
;
575 nonce
->data
= app_malloc(nonce
->length
+ 1, "nonce buffer");
576 memcpy(nonce
->data
, buf
+ i
, nonce
->length
);
580 BIO_printf(bio_err
, "could not create nonce\n");
581 ASN1_INTEGER_free(nonce
);
586 * Reply-related method definitions.
589 static int reply_command(CONF
*conf
, char *section
, char *engine
,
590 char *queryfile
, char *passin
, char *inkey
,
591 const EVP_MD
*md
, char *signer
, char *chain
,
592 const char *policy
, char *in
, int token_in
,
593 char *out
, int token_out
, int text
)
596 TS_RESP
*response
= NULL
;
598 BIO
*query_bio
= NULL
;
599 BIO
*inkey_bio
= NULL
;
600 BIO
*signer_bio
= NULL
;
604 if ((in_bio
= BIO_new_file(in
, "rb")) == NULL
)
607 response
= read_PKCS7(in_bio
);
609 response
= d2i_TS_RESP_bio(in_bio
, NULL
);
612 response
= create_response(conf
, section
, engine
, queryfile
,
613 passin
, inkey
, md
, signer
, chain
, policy
);
615 BIO_printf(bio_err
, "Response has been generated.\n");
617 BIO_printf(bio_err
, "Response is not generated.\n");
619 if (response
== NULL
)
622 /* Write response. */
624 if ((out_bio
= bio_open_default(out
, 'w', FORMAT_TEXT
)) == NULL
)
627 TS_TST_INFO
*tst_info
= TS_RESP_get_tst_info(response
);
628 if (!TS_TST_INFO_print_bio(out_bio
, tst_info
))
631 if (!TS_RESP_print_bio(out_bio
, response
))
635 if ((out_bio
= bio_open_default(out
, 'w', FORMAT_ASN1
)) == NULL
)
638 PKCS7
*token
= TS_RESP_get_token(response
);
639 if (!i2d_PKCS7_bio(out_bio
, token
))
642 if (!i2d_TS_RESP_bio(out_bio
, response
))
650 ERR_print_errors(bio_err
);
651 BIO_free_all(in_bio
);
652 BIO_free_all(query_bio
);
653 BIO_free_all(inkey_bio
);
654 BIO_free_all(signer_bio
);
655 BIO_free_all(out_bio
);
656 TS_RESP_free(response
);
660 /* Reads a PKCS7 token and adds default 'granted' status info to it. */
661 static TS_RESP
*read_PKCS7(BIO
*in_bio
)
665 TS_TST_INFO
*tst_info
= NULL
;
666 TS_RESP
*resp
= NULL
;
667 TS_STATUS_INFO
*si
= NULL
;
669 if ((token
= d2i_PKCS7_bio(in_bio
, NULL
)) == NULL
)
671 if ((tst_info
= PKCS7_to_TS_TST_INFO(token
)) == NULL
)
673 if ((resp
= TS_RESP_new()) == NULL
)
675 if ((si
= TS_STATUS_INFO_new()) == NULL
)
677 if (!TS_STATUS_INFO_set_status(si
, TS_STATUS_GRANTED
))
679 if (!TS_RESP_set_status_info(resp
, si
))
681 TS_RESP_set_tst_info(resp
, token
, tst_info
);
682 token
= NULL
; /* Ownership is lost. */
683 tst_info
= NULL
; /* Ownership is lost. */
688 TS_TST_INFO_free(tst_info
);
693 TS_STATUS_INFO_free(si
);
697 static TS_RESP
*create_response(CONF
*conf
, const char *section
, char *engine
,
698 char *queryfile
, char *passin
,
699 char *inkey
, const EVP_MD
*md
, char *signer
,
700 char *chain
, const char *policy
)
703 TS_RESP
*response
= NULL
;
704 BIO
*query_bio
= NULL
;
705 TS_RESP_CTX
*resp_ctx
= NULL
;
707 if ((query_bio
= BIO_new_file(queryfile
, "rb")) == NULL
)
709 if ((section
= TS_CONF_get_tsa_section(conf
, section
)) == NULL
)
711 if ((resp_ctx
= TS_RESP_CTX_new()) == NULL
)
713 if (!TS_CONF_set_serial(conf
, section
, serial_cb
, resp_ctx
))
715 #ifndef OPENSSL_NO_ENGINE
716 if (!TS_CONF_set_crypto_device(conf
, section
, engine
))
719 if (!TS_CONF_set_signer_cert(conf
, section
, signer
, resp_ctx
))
721 if (!TS_CONF_set_certs(conf
, section
, chain
, resp_ctx
))
723 if (!TS_CONF_set_signer_key(conf
, section
, inkey
, passin
, resp_ctx
))
727 if (!TS_RESP_CTX_set_signer_digest(resp_ctx
, md
))
729 } else if (!TS_CONF_set_signer_digest(conf
, section
, NULL
, resp_ctx
)) {
733 if (!TS_CONF_set_def_policy(conf
, section
, policy
, resp_ctx
))
735 if (!TS_CONF_set_policies(conf
, section
, resp_ctx
))
737 if (!TS_CONF_set_digests(conf
, section
, resp_ctx
))
739 if (!TS_CONF_set_accuracy(conf
, section
, resp_ctx
))
741 if (!TS_CONF_set_clock_precision_digits(conf
, section
, resp_ctx
))
743 if (!TS_CONF_set_ordering(conf
, section
, resp_ctx
))
745 if (!TS_CONF_set_tsa_name(conf
, section
, resp_ctx
))
747 if (!TS_CONF_set_ess_cert_id_chain(conf
, section
, resp_ctx
))
749 if ((response
= TS_RESP_create_response(resp_ctx
, query_bio
)) == NULL
)
755 TS_RESP_free(response
);
758 TS_RESP_CTX_free(resp_ctx
);
759 BIO_free_all(query_bio
);
763 static ASN1_INTEGER
*serial_cb(TS_RESP_CTX
*ctx
, void *data
)
765 const char *serial_file
= (const char *)data
;
766 ASN1_INTEGER
*serial
= next_serial(serial_file
);
769 TS_RESP_CTX_set_status_info(ctx
, TS_STATUS_REJECTION
,
770 "Error during serial number "
772 TS_RESP_CTX_add_failure_info(ctx
, TS_INFO_ADD_INFO_NOT_AVAILABLE
);
774 save_ts_serial(serial_file
, serial
);
779 static ASN1_INTEGER
*next_serial(const char *serialfile
)
783 ASN1_INTEGER
*serial
= NULL
;
786 if ((serial
= ASN1_INTEGER_new()) == NULL
)
789 if ((in
= BIO_new_file(serialfile
, "r")) == NULL
) {
791 BIO_printf(bio_err
, "Warning: could not open file %s for "
792 "reading, using serial number: 1\n", serialfile
);
793 if (!ASN1_INTEGER_set(serial
, 1))
797 if (!a2i_ASN1_INTEGER(in
, serial
, buf
, sizeof(buf
))) {
798 BIO_printf(bio_err
, "unable to load number from %s\n",
802 if ((bn
= ASN1_INTEGER_to_BN(serial
, NULL
)) == NULL
)
804 ASN1_INTEGER_free(serial
);
806 if (!BN_add_word(bn
, 1))
808 if ((serial
= BN_to_ASN1_INTEGER(bn
, NULL
)) == NULL
)
815 ASN1_INTEGER_free(serial
);
823 static int save_ts_serial(const char *serialfile
, ASN1_INTEGER
*serial
)
828 if ((out
= BIO_new_file(serialfile
, "w")) == NULL
)
830 if (i2a_ASN1_INTEGER(out
, serial
) <= 0)
832 if (BIO_puts(out
, "\n") <= 0)
837 BIO_printf(bio_err
, "could not save serial number to %s\n",
845 * Verify-related method definitions.
848 static int verify_command(char *data
, char *digest
, char *queryfile
,
849 char *in
, int token_in
,
850 char *CApath
, char *CAfile
, char *untrusted
)
854 TS_RESP
*response
= NULL
;
855 TS_VERIFY_CTX
*verify_ctx
= NULL
;
858 if ((in_bio
= BIO_new_file(in
, "rb")) == NULL
)
861 if ((token
= d2i_PKCS7_bio(in_bio
, NULL
)) == NULL
)
864 if ((response
= d2i_TS_RESP_bio(in_bio
, NULL
)) == NULL
)
868 if ((verify_ctx
= create_verify_ctx(data
, digest
, queryfile
,
869 CApath
, CAfile
, untrusted
)) == NULL
)
873 ? TS_RESP_verify_token(verify_ctx
, token
)
874 : TS_RESP_verify_response(verify_ctx
, response
);
877 printf("Verification: ");
882 ERR_print_errors(bio_err
);
885 BIO_free_all(in_bio
);
887 TS_RESP_free(response
);
888 TS_VERIFY_CTX_free(verify_ctx
);
892 static TS_VERIFY_CTX
*create_verify_ctx(char *data
, char *digest
,
894 char *CApath
, char *CAfile
,
897 TS_VERIFY_CTX
*ctx
= NULL
;
899 TS_REQ
*request
= NULL
;
903 if (data
!= NULL
|| digest
!= NULL
) {
904 if ((ctx
= TS_VERIFY_CTX_new()) == NULL
)
906 f
= TS_VFY_VERSION
| TS_VFY_SIGNER
;
909 if (TS_VERIFY_CTX_set_data(ctx
, BIO_new_file(data
, "rb")) == NULL
)
911 } else if (digest
!= NULL
) {
913 unsigned char *hexstr
= string_to_hex(digest
, &imprint_len
);
915 if (TS_VERIFY_CTX_set_imprint(ctx
, hexstr
, imprint_len
) == NULL
) {
916 BIO_printf(bio_err
, "invalid digest string\n");
921 } else if (queryfile
!= NULL
) {
922 if ((input
= BIO_new_file(queryfile
, "rb")) == NULL
)
924 if ((request
= d2i_TS_REQ_bio(input
, NULL
)) == NULL
)
926 if ((ctx
= TS_REQ_to_TS_VERIFY_CTX(request
, NULL
)) == NULL
)
931 /* Add the signature verification flag and arguments. */
932 TS_VERIFY_CTX_add_flags(ctx
, f
| TS_VFY_SIGNATURE
);
934 /* Initialising the X509_STORE object. */
935 if (TS_VERIFY_CTX_set_store(ctx
, create_cert_store(CApath
, CAfile
))
939 /* Loading untrusted certificates. */
941 && TS_VERIFY_CTS_set_certs(ctx
, TS_CONF_load_certs(untrusted
)) == NULL
)
947 TS_VERIFY_CTX_free(ctx
);
951 TS_REQ_free(request
);
955 static X509_STORE
*create_cert_store(char *CApath
, char *CAfile
)
957 X509_STORE
*cert_ctx
= NULL
;
958 X509_LOOKUP
*lookup
= NULL
;
961 cert_ctx
= X509_STORE_new();
962 X509_STORE_set_verify_cb(cert_ctx
, verify_cb
);
963 if (CApath
!= NULL
) {
964 lookup
= X509_STORE_add_lookup(cert_ctx
, X509_LOOKUP_hash_dir());
965 if (lookup
== NULL
) {
966 BIO_printf(bio_err
, "memory allocation failure\n");
969 i
= X509_LOOKUP_add_dir(lookup
, CApath
, X509_FILETYPE_PEM
);
971 BIO_printf(bio_err
, "Error loading directory %s\n", CApath
);
976 if (CAfile
!= NULL
) {
977 lookup
= X509_STORE_add_lookup(cert_ctx
, X509_LOOKUP_file());
978 if (lookup
== NULL
) {
979 BIO_printf(bio_err
, "memory allocation failure\n");
982 i
= X509_LOOKUP_load_file(lookup
, CAfile
, X509_FILETYPE_PEM
);
984 BIO_printf(bio_err
, "Error loading file %s\n", CAfile
);
991 X509_STORE_free(cert_ctx
);
995 static int verify_cb(int ok
, X509_STORE_CTX
*ctx
)