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>
68
#include <openssl/bn.h>
73
/* Length of the nonce of the request in bits (must be a multiple of 8). */
74
#define NONCE_LENGTH 64
76
/* Macro definitions for the configuration file. */
77
#define ENV_OID_FILE "oid_file"
79
/* Local function declarations. */
81
static ASN1_OBJECT *txt2obj(const char *oid);
82
static CONF *load_config_file(const char *configfile);
84
/* Query related functions. */
85
static int query_command(const char *data, char *digest,
86
const EVP_MD *md, const char *policy, int no_nonce,
87
int cert, const char *in, const char *out, int text);
88
static BIO *BIO_open_with_default(const char *file, const char *mode,
90
static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
91
const char *policy, int no_nonce, int cert);
92
static int create_digest(BIO *input, char *digest,
93
const EVP_MD *md, unsigned char **md_value);
94
static ASN1_INTEGER *create_nonce(int bits);
96
/* Reply related functions. */
97
static int reply_command(CONF *conf, char *section, char *engine,
98
char *queryfile, char *passin, char *inkey,
99
char *signer, char *chain, const char *policy,
100
char *in, int token_in, char *out, int token_out,
102
static TS_RESP *read_PKCS7(BIO *in_bio);
103
static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
104
char *queryfile, char *passin, char *inkey,
105
char *signer, char *chain, const char *policy);
106
static ASN1_INTEGER * MS_CALLBACK 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 *ca_path, char *ca_file, char *untrusted);
114
static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
116
char *ca_path, char *ca_file,
118
static X509_STORE *create_cert_store(char *ca_path, char *ca_file);
119
static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx);
121
/* Main function definition. */
122
int MAIN(int, char **);
124
int MAIN(int argc, char **argv)
127
char *configfile = NULL;
128
char *section = NULL;
131
CMD_NONE, CMD_QUERY, CMD_REPLY, CMD_VERIFY
135
const EVP_MD *md = NULL;
143
char *queryfile = NULL;
144
char *passin = NULL; /* Password source. */
145
char *password =NULL; /* Password itself. */
149
char *ca_path = NULL;
150
char *ca_file = NULL;
151
char *untrusted = NULL;
153
/* Input is ContentInfo instead of TimeStampResp. */
155
/* Output is ContentInfo instead of TimeStampResp. */
157
int free_bio_err = 0;
159
ERR_load_crypto_strings();
162
if (bio_err == NULL && (bio_err = BIO_new(BIO_s_file())) != NULL)
165
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
168
for (argc--, argv++; argc > 0; argc--, argv++)
170
if (strcmp(*argv, "-config") == 0)
172
if (argc-- < 1) goto usage;
173
configfile = *++argv;
175
else if (strcmp(*argv, "-section") == 0)
177
if (argc-- < 1) goto usage;
180
else if (strcmp(*argv, "-query") == 0)
182
if (mode != CMD_NONE) goto usage;
185
else if (strcmp(*argv, "-data") == 0)
187
if (argc-- < 1) goto usage;
190
else if (strcmp(*argv, "-digest") == 0)
192
if (argc-- < 1) goto usage;
195
else if (strcmp(*argv, "-rand") == 0)
197
if (argc-- < 1) goto usage;
200
else if (strcmp(*argv, "-policy") == 0)
202
if (argc-- < 1) goto usage;
205
else if (strcmp(*argv, "-no_nonce") == 0)
209
else if (strcmp(*argv, "-cert") == 0)
213
else if (strcmp(*argv, "-in") == 0)
215
if (argc-- < 1) goto usage;
218
else if (strcmp(*argv, "-token_in") == 0)
222
else if (strcmp(*argv, "-out") == 0)
224
if (argc-- < 1) goto usage;
227
else if (strcmp(*argv, "-token_out") == 0)
231
else if (strcmp(*argv, "-text") == 0)
235
else if (strcmp(*argv, "-reply") == 0)
237
if (mode != CMD_NONE) goto usage;
240
else if (strcmp(*argv, "-queryfile") == 0)
242
if (argc-- < 1) goto usage;
245
else if (strcmp(*argv, "-passin") == 0)
247
if (argc-- < 1) goto usage;
250
else if (strcmp(*argv, "-inkey") == 0)
252
if (argc-- < 1) goto usage;
255
else if (strcmp(*argv, "-signer") == 0)
257
if (argc-- < 1) goto usage;
260
else if (strcmp(*argv, "-chain") == 0)
262
if (argc-- < 1) goto usage;
265
else if (strcmp(*argv, "-verify") == 0)
267
if (mode != CMD_NONE) goto usage;
270
else if (strcmp(*argv, "-CApath") == 0)
272
if (argc-- < 1) goto usage;
275
else if (strcmp(*argv, "-CAfile") == 0)
277
if (argc-- < 1) goto usage;
280
else if (strcmp(*argv, "-untrusted") == 0)
282
if (argc-- < 1) goto usage;
285
else if (strcmp(*argv, "-engine") == 0)
287
if (argc-- < 1) goto usage;
290
else if ((md = EVP_get_digestbyname(*argv + 1)) != NULL)
298
/* Seed the random number generator if it is going to be used. */
299
if (mode == CMD_QUERY && !no_nonce)
301
if (!app_RAND_load_file(NULL, bio_err, 1) && rnd == NULL)
302
BIO_printf(bio_err, "warning, not much extra random "
303
"data, consider using the -rand option\n");
305
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
306
app_RAND_load_files(rnd));
309
/* Get the password if required. */
310
if(mode == CMD_REPLY && passin &&
311
!app_passwd(bio_err, passin, NULL, &password, NULL))
313
BIO_printf(bio_err,"Error getting password.\n");
317
/* Check consistency of parameters and execute
318
the appropriate function. */
324
/* Data file and message imprint cannot be specified
326
ret = data != NULL && digest != NULL;
328
/* Load the config file for possible policy OIDs. */
329
conf = load_config_file(configfile);
330
ret = !query_command(data, digest, md, policy, no_nonce, cert,
334
conf = load_config_file(configfile);
337
ret = !(queryfile != NULL && conf != NULL && !token_in);
342
/* 'in' and 'queryfile' are exclusive. */
343
ret = !(queryfile == NULL);
347
ret = !reply_command(conf, section, engine, queryfile,
348
password, inkey, signer, chain, policy,
349
in, token_in, out, token_out, text);
352
ret = !(((queryfile && !data && !digest)
353
|| (!queryfile && data && !digest)
354
|| (!queryfile && !data && digest))
358
ret = !verify_command(data, digest, queryfile, in, token_in,
359
ca_path, ca_file, untrusted);
365
BIO_printf(bio_err, "usage:\n"
366
"ts -query [-rand file%cfile%c...] [-config configfile] "
367
"[-data file_to_hash] [-digest digest_bytes]"
368
"[-md2|-md4|-md5|-sha|-sha1|-mdc2|-ripemd160] "
369
"[-policy object_id] [-no_nonce] [-cert] "
370
"[-in request.tsq] [-out request.tsq] [-text]\n",
371
LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
372
BIO_printf(bio_err, "or\n"
373
"ts -reply [-config configfile] [-section tsa_section] "
374
"[-queryfile request.tsq] [-passin password] "
375
"[-signer tsa_cert.pem] [-inkey private_key.pem] "
376
"[-chain certs_file.pem] [-policy object_id] "
377
"[-in response.tsr] [-token_in] "
378
"[-out response.tsr] [-token_out] [-text] [-engine id]\n");
379
BIO_printf(bio_err, "or\n"
380
"ts -verify [-data file_to_hash] [-digest digest_bytes] "
381
"[-queryfile request.tsq] "
382
"-in response.tsr [-token_in] "
383
"-CApath ca_path -CAfile ca_file.pem "
384
"-untrusted cert_file.pem\n");
387
app_RAND_write_file(NULL, bio_err);
389
OPENSSL_free(password);
393
BIO_free_all(bio_err);
401
* Configuration file-related function definitions.
404
static ASN1_OBJECT *txt2obj(const char *oid)
406
ASN1_OBJECT *oid_obj = NULL;
408
if (!(oid_obj = OBJ_txt2obj(oid, 0)))
409
BIO_printf(bio_err, "cannot convert %s to OID\n", oid);
414
static CONF *load_config_file(const char *configfile)
419
if (!configfile) configfile = getenv("OPENSSL_CONF");
420
if (!configfile) configfile = getenv("SSLEAY_CONF");
423
(!(conf = NCONF_new(NULL)) ||
424
NCONF_load(conf, configfile, &errorline) <= 0))
427
BIO_printf(bio_err, "error loading the config file "
428
"'%s'\n", configfile);
430
BIO_printf(bio_err, "error on line %ld of config file "
431
"'%s'\n", errorline, configfile);
438
BIO_printf(bio_err,"Using configuration from %s\n", configfile);
439
p = NCONF_get_string(conf, NULL, ENV_OID_FILE);
442
BIO *oid_bio = BIO_new_file(p, "r");
444
ERR_print_errors(bio_err);
447
OBJ_create_objects(oid_bio);
448
BIO_free_all(oid_bio);
453
if(!add_oid_section(bio_err, conf))
454
ERR_print_errors(bio_err);
460
* Query-related method definitions.
463
static int query_command(const char *data, char *digest, const EVP_MD *md,
464
const char *policy, int no_nonce,
465
int cert, const char *in, const char *out, int text)
468
TS_REQ *query = NULL;
470
BIO *data_bio = NULL;
473
/* Build query object either from file or from scratch. */
476
if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
477
query = d2i_TS_REQ_bio(in_bio, NULL);
481
/* Open the file if no explicit digest bytes were specified. */
483
&& !(data_bio = BIO_open_with_default(data, "rb", stdin)))
485
/* Creating the query object. */
486
query = create_query(data_bio, digest, md,
487
policy, no_nonce, cert);
488
/* Saving the random number generator state. */
490
if (query == NULL) goto end;
492
/* Write query either in ASN.1 or in text format. */
493
if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
498
if (!TS_REQ_print_bio(out_bio, query))
504
if (!i2d_TS_REQ_bio(out_bio, query))
511
ERR_print_errors(bio_err);
514
BIO_free_all(in_bio);
515
BIO_free_all(data_bio);
516
BIO_free_all(out_bio);
522
static BIO *BIO_open_with_default(const char *file, const char *mode,
525
return file == NULL ?
526
BIO_new_fp(default_fp, BIO_NOCLOSE)
527
: BIO_new_file(file, mode);
530
static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md,
531
const char *policy, int no_nonce, int cert)
534
TS_REQ *ts_req = NULL;
536
TS_MSG_IMPRINT *msg_imprint = NULL;
537
X509_ALGOR *algo = NULL;
538
unsigned char *data = NULL;
539
ASN1_OBJECT *policy_obj = NULL;
540
ASN1_INTEGER *nonce_asn1 = NULL;
542
/* Setting default message digest. */
543
if (!md && !(md = EVP_get_digestbyname("sha1"))) goto err;
545
/* Creating request object. */
546
if (!(ts_req = TS_REQ_new())) goto err;
548
/* Setting version. */
549
if (!TS_REQ_set_version(ts_req, 1)) goto err;
551
/* Creating and adding MSG_IMPRINT object. */
552
if (!(msg_imprint = TS_MSG_IMPRINT_new())) goto err;
554
/* Adding algorithm. */
555
if (!(algo = X509_ALGOR_new())) goto err;
556
if (!(algo->algorithm = OBJ_nid2obj(EVP_MD_type(md)))) goto err;
557
if (!(algo->parameter = ASN1_TYPE_new())) goto err;
558
algo->parameter->type = V_ASN1_NULL;
559
if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) goto err;
561
/* Adding message digest. */
562
if ((len = create_digest(data_bio, digest, md, &data)) == 0)
564
if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) goto err;
566
if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) goto err;
568
/* Setting policy if requested. */
569
if (policy && !(policy_obj = txt2obj(policy))) goto err;
570
if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) goto err;
572
/* Setting nonce if requested. */
573
if (!no_nonce && !(nonce_asn1 = create_nonce(NONCE_LENGTH))) goto err;
574
if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) goto err;
576
/* Setting certificate request flag if requested. */
577
if (!TS_REQ_set_cert_req(ts_req, cert)) goto err;
585
BIO_printf(bio_err, "could not create query\n");
587
TS_MSG_IMPRINT_free(msg_imprint);
588
X509_ALGOR_free(algo);
590
ASN1_OBJECT_free(policy_obj);
591
ASN1_INTEGER_free(nonce_asn1);
595
static int create_digest(BIO *input, char *digest, const EVP_MD *md,
596
unsigned char **md_value)
600
md_value_len = EVP_MD_size(md);
601
if (md_value_len < 0)
605
/* Digest must be computed from an input file. */
607
unsigned char buffer[4096];
610
*md_value = OPENSSL_malloc(md_value_len);
611
if (*md_value == 0) goto err;
613
EVP_DigestInit(&md_ctx, md);
614
while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0)
616
EVP_DigestUpdate(&md_ctx, buffer, length);
618
EVP_DigestFinal(&md_ctx, *md_value, NULL);
622
/* Digest bytes are specified with digest. */
624
*md_value = string_to_hex(digest, &digest_len);
625
if (!*md_value || md_value_len != digest_len)
627
OPENSSL_free(*md_value);
629
BIO_printf(bio_err, "bad digest, %d bytes "
630
"must be specified\n", md_value_len);
640
static ASN1_INTEGER *create_nonce(int bits)
642
unsigned char buf[20];
643
ASN1_INTEGER *nonce = NULL;
644
int len = (bits - 1) / 8 + 1;
647
/* Generating random byte sequence. */
648
if (len > (int)sizeof(buf)) goto err;
649
if (!RAND_bytes(buf, len)) goto err;
651
/* Find the first non-zero byte and creating ASN1_INTEGER object. */
652
for (i = 0; i < len && !buf[i]; ++i);
653
if (!(nonce = ASN1_INTEGER_new())) goto err;
654
OPENSSL_free(nonce->data);
655
/* Allocate at least one byte. */
656
nonce->length = len - i;
657
if (!(nonce->data = OPENSSL_malloc(nonce->length + 1))) goto err;
658
memcpy(nonce->data, buf + i, nonce->length);
662
BIO_printf(bio_err, "could not create nonce\n");
663
ASN1_INTEGER_free(nonce);
667
* Reply-related method definitions.
670
static int reply_command(CONF *conf, char *section, char *engine,
671
char *queryfile, char *passin, char *inkey,
672
char *signer, char *chain, const char *policy,
673
char *in, int token_in,
674
char *out, int token_out, int text)
677
TS_RESP *response = NULL;
679
BIO *query_bio = NULL;
680
BIO *inkey_bio = NULL;
681
BIO *signer_bio = NULL;
684
/* Build response object either from response or query. */
687
if ((in_bio = BIO_new_file(in, "rb")) == NULL) goto end;
690
/* We have a ContentInfo (PKCS7) object, add
691
'granted' status info around it. */
692
response = read_PKCS7(in_bio);
696
/* We have a ready-made TS_RESP object. */
697
response = d2i_TS_RESP_bio(in_bio, NULL);
702
response = create_response(conf, section, engine, queryfile,
703
passin, inkey, signer, chain,
706
BIO_printf(bio_err, "Response has been generated.\n");
708
BIO_printf(bio_err, "Response is not generated.\n");
710
if (response == NULL) goto end;
712
/* Write response either in ASN.1 or text format. */
713
if ((out_bio = BIO_open_with_default(out, "wb", stdout)) == NULL)
720
TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response);
721
if (!TS_TST_INFO_print_bio(out_bio, tst_info)) goto end;
725
if (!TS_RESP_print_bio(out_bio, response)) goto end;
730
/* ASN.1 DER output. */
733
PKCS7 *token = TS_RESP_get_token(response);
734
if (!i2d_PKCS7_bio(out_bio, token)) goto end;
738
if (!i2d_TS_RESP_bio(out_bio, response)) goto end;
745
ERR_print_errors(bio_err);
748
BIO_free_all(in_bio);
749
BIO_free_all(query_bio);
750
BIO_free_all(inkey_bio);
751
BIO_free_all(signer_bio);
752
BIO_free_all(out_bio);
753
TS_RESP_free(response);
758
/* Reads a PKCS7 token and adds default 'granted' status info to it. */
759
static TS_RESP *read_PKCS7(BIO *in_bio)
763
TS_TST_INFO *tst_info = NULL;
764
TS_RESP *resp = NULL;
765
TS_STATUS_INFO *si = NULL;
767
/* Read PKCS7 object and extract the signed time stamp info. */
768
if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
769
if (!(tst_info = PKCS7_to_TS_TST_INFO(token))) goto end;
771
/* Creating response object. */
772
if (!(resp = TS_RESP_new())) goto end;
774
/* Create granted status info. */
775
if (!(si = TS_STATUS_INFO_new())) goto end;
776
if (!(ASN1_INTEGER_set(si->status, TS_STATUS_GRANTED))) goto end;
777
if (!TS_RESP_set_status_info(resp, si)) goto end;
779
/* Setting encapsulated token. */
780
TS_RESP_set_tst_info(resp, token, tst_info);
781
token = NULL; /* Ownership is lost. */
782
tst_info = NULL; /* Ownership is lost. */
787
TS_TST_INFO_free(tst_info);
793
TS_STATUS_INFO_free(si);
797
static TS_RESP *create_response(CONF *conf, const char *section, char *engine,
798
char *queryfile, char *passin, char *inkey,
799
char *signer, char *chain, const char *policy)
802
TS_RESP *response = NULL;
803
BIO *query_bio = NULL;
804
TS_RESP_CTX *resp_ctx = NULL;
806
if (!(query_bio = BIO_new_file(queryfile, "rb")))
809
/* Getting TSA configuration section. */
810
if (!(section = TS_CONF_get_tsa_section(conf, section)))
813
/* Setting up response generation context. */
814
if (!(resp_ctx = TS_RESP_CTX_new())) goto end;
816
/* Setting serial number provider callback. */
817
if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx)) goto end;
818
#ifndef OPENSSL_NO_ENGINE
819
/* Setting default OpenSSL engine. */
820
if (!TS_CONF_set_crypto_device(conf, section, engine)) goto end;
823
/* Setting TSA signer certificate. */
824
if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx)) goto end;
826
/* Setting TSA signer certificate chain. */
827
if (!TS_CONF_set_certs(conf, section, chain, resp_ctx)) goto end;
829
/* Setting TSA signer private key. */
830
if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx))
833
/* Setting default policy OID. */
834
if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx)) goto end;
836
/* Setting acceptable policy OIDs. */
837
if (!TS_CONF_set_policies(conf, section, resp_ctx)) goto end;
839
/* Setting the acceptable one-way hash algorithms. */
840
if (!TS_CONF_set_digests(conf, section, resp_ctx)) goto end;
842
/* Setting guaranteed time stamp accuracy. */
843
if (!TS_CONF_set_accuracy(conf, section, resp_ctx)) goto end;
845
/* Setting the precision of the time. */
846
if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx))
849
/* Setting the ordering flaf if requested. */
850
if (!TS_CONF_set_ordering(conf, section, resp_ctx)) goto end;
852
/* Setting the TSA name required flag if requested. */
853
if (!TS_CONF_set_tsa_name(conf, section, resp_ctx)) goto end;
855
/* Setting the ESS cert id chain flag if requested. */
856
if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx)) goto end;
858
/* Creating the response. */
859
if (!(response = TS_RESP_create_response(resp_ctx, query_bio)))
866
TS_RESP_free(response);
869
TS_RESP_CTX_free(resp_ctx);
870
BIO_free_all(query_bio);
875
static ASN1_INTEGER * MS_CALLBACK serial_cb(TS_RESP_CTX *ctx, void *data)
877
const char *serial_file = (const char *) data;
878
ASN1_INTEGER *serial = next_serial(serial_file);
882
TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
883
"Error during serial number "
885
TS_RESP_CTX_add_failure_info(ctx,
886
TS_INFO_ADD_INFO_NOT_AVAILABLE);
889
save_ts_serial(serial_file, serial);
894
static ASN1_INTEGER *next_serial(const char *serialfile)
898
ASN1_INTEGER *serial = NULL;
901
if (!(serial = ASN1_INTEGER_new())) goto err;
903
if (!(in = BIO_new_file(serialfile, "r")))
906
BIO_printf(bio_err, "Warning: could not open file %s for "
907
"reading, using serial number: 1\n", serialfile);
908
if (!ASN1_INTEGER_set(serial, 1)) goto err;
913
if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf)))
915
BIO_printf(bio_err, "unable to load number from %s\n",
919
if (!(bn = ASN1_INTEGER_to_BN(serial, NULL))) goto err;
920
ASN1_INTEGER_free(serial);
922
if (!BN_add_word(bn, 1)) goto err;
923
if (!(serial = BN_to_ASN1_INTEGER(bn, NULL))) goto err;
929
ASN1_INTEGER_free(serial);
937
static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial)
942
if (!(out = BIO_new_file(serialfile, "w"))) goto err;
943
if (i2a_ASN1_INTEGER(out, serial) <= 0) goto err;
944
if (BIO_puts(out, "\n") <= 0) goto err;
948
BIO_printf(bio_err, "could not save serial number to %s\n",
955
* Verify-related method definitions.
958
static int verify_command(char *data, char *digest, char *queryfile,
959
char *in, int token_in,
960
char *ca_path, char *ca_file, char *untrusted)
964
TS_RESP *response = NULL;
965
TS_VERIFY_CTX *verify_ctx = NULL;
968
/* Decode the token (PKCS7) or response (TS_RESP) files. */
969
if (!(in_bio = BIO_new_file(in, "rb"))) goto end;
972
if (!(token = d2i_PKCS7_bio(in_bio, NULL))) goto end;
976
if (!(response = d2i_TS_RESP_bio(in_bio, NULL))) goto end;
979
if (!(verify_ctx = create_verify_ctx(data, digest, queryfile,
980
ca_path, ca_file, untrusted)))
983
/* Checking the token or response against the request. */
985
TS_RESP_verify_token(verify_ctx, token) :
986
TS_RESP_verify_response(verify_ctx, response);
989
printf("Verification: ");
995
/* Print errors, if there are any. */
996
ERR_print_errors(bio_err);
1000
BIO_free_all(in_bio);
1002
TS_RESP_free(response);
1003
TS_VERIFY_CTX_free(verify_ctx);
1007
static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest,
1009
char *ca_path, char *ca_file,
1012
TS_VERIFY_CTX *ctx = NULL;
1014
TS_REQ *request = NULL;
1017
if (data != NULL || digest != NULL)
1019
if (!(ctx = TS_VERIFY_CTX_new())) goto err;
1020
ctx->flags = TS_VFY_VERSION | TS_VFY_SIGNER;
1023
ctx->flags |= TS_VFY_DATA;
1024
if (!(ctx->data = BIO_new_file(data, "rb"))) goto err;
1026
else if (digest != NULL)
1029
ctx->flags |= TS_VFY_IMPRINT;
1030
if (!(ctx->imprint = string_to_hex(digest,
1033
BIO_printf(bio_err, "invalid digest string\n");
1036
ctx->imprint_len = imprint_len;
1040
else if (queryfile != NULL)
1042
/* The request has just to be read, decoded and converted to
1043
a verify context object. */
1044
if (!(input = BIO_new_file(queryfile, "rb"))) goto err;
1045
if (!(request = d2i_TS_REQ_bio(input, NULL))) goto err;
1046
if (!(ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL))) goto err;
1051
/* Add the signature verification flag and arguments. */
1052
ctx->flags |= TS_VFY_SIGNATURE;
1054
/* Initialising the X509_STORE object. */
1055
if (!(ctx->store = create_cert_store(ca_path, ca_file))) goto err;
1057
/* Loading untrusted certificates. */
1058
if (untrusted && !(ctx->certs = TS_CONF_load_certs(untrusted)))
1065
TS_VERIFY_CTX_free(ctx);
1068
BIO_free_all(input);
1069
TS_REQ_free(request);
1073
static X509_STORE *create_cert_store(char *ca_path, char *ca_file)
1075
X509_STORE *cert_ctx = NULL;
1076
X509_LOOKUP *lookup = NULL;
1079
/* Creating the X509_STORE object. */
1080
cert_ctx = X509_STORE_new();
1082
/* Setting the callback for certificate chain verification. */
1083
X509_STORE_set_verify_cb_func(cert_ctx, verify_cb);
1085
/* Adding a trusted certificate directory source. */
1088
lookup = X509_STORE_add_lookup(cert_ctx,
1089
X509_LOOKUP_hash_dir());
1092
BIO_printf(bio_err, "memory allocation failure\n");
1095
i = X509_LOOKUP_add_dir(lookup, ca_path, X509_FILETYPE_PEM);
1098
BIO_printf(bio_err, "Error loading directory %s\n",
1104
/* Adding a trusted certificate file source. */
1107
lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
1110
BIO_printf(bio_err, "memory allocation failure\n");
1113
i = X509_LOOKUP_load_file(lookup, ca_file, X509_FILETYPE_PEM);
1116
BIO_printf(bio_err, "Error loading file %s\n", ca_file);
1123
X509_STORE_free(cert_ctx);
1127
static int MS_CALLBACK verify_cb(int ok, X509_STORE_CTX *ctx)
1134
X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),
1136
printf("%s\n", buf);
1137
printf("error %d at %d depth lookup: %s\n",
1138
ctx->error, ctx->error_depth,
1139
X509_verify_cert_error_string(ctx->error));