2 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2006 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).
61 #include <openssl/crypto.h>
62 #include "internal/cryptlib.h"
63 #include <openssl/pem.h>
64 #include <openssl/engine.h>
65 #include <openssl/ts.h>
67 /* Macro definitions for the configuration file. */
68 #define BASE_SECTION "tsa"
69 #define ENV_DEFAULT_TSA "default_tsa"
70 #define ENV_SERIAL "serial"
71 #define ENV_CRYPTO_DEVICE "crypto_device"
72 #define ENV_SIGNER_CERT "signer_cert"
73 #define ENV_CERTS "certs"
74 #define ENV_SIGNER_KEY "signer_key"
75 #define ENV_SIGNER_DIGEST "signer_digest"
76 #define ENV_DEFAULT_POLICY "default_policy"
77 #define ENV_OTHER_POLICIES "other_policies"
78 #define ENV_DIGESTS "digests"
79 #define ENV_ACCURACY "accuracy"
80 #define ENV_ORDERING "ordering"
81 #define ENV_TSA_NAME "tsa_name"
82 #define ENV_ESS_CERT_ID_CHAIN "ess_cert_id_chain"
83 #define ENV_VALUE_SECS "secs"
84 #define ENV_VALUE_MILLISECS "millisecs"
85 #define ENV_VALUE_MICROSECS "microsecs"
86 #define ENV_CLOCK_PRECISION_DIGITS "clock_precision_digits"
87 #define ENV_VALUE_YES "yes"
88 #define ENV_VALUE_NO "no"
90 /* Function definitions for certificate and key loading. */
92 X509 *TS_CONF_load_cert(const char *file)
97 if ((cert = BIO_new_file(file, "r")) == NULL)
99 x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);
102 TSerr(TS_F_TS_CONF_LOAD_CERT, TS_R_CANNOT_LOAD_CERT);
107 STACK_OF(X509) *TS_CONF_load_certs(const char *file)
110 STACK_OF(X509) *othercerts = NULL;
111 STACK_OF(X509_INFO) *allcerts = NULL;
114 if ((certs = BIO_new_file(file, "r")) == NULL)
116 if ((othercerts = sk_X509_new_null()) == NULL)
119 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
120 for (i = 0; i < sk_X509_INFO_num(allcerts); i++) {
121 X509_INFO *xi = sk_X509_INFO_value(allcerts, i);
123 sk_X509_push(othercerts, xi->x509);
128 if (othercerts == NULL)
129 TSerr(TS_F_TS_CONF_LOAD_CERTS, TS_R_CANNOT_LOAD_CERT);
130 sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
135 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass)
138 EVP_PKEY *pkey = NULL;
140 if ((key = BIO_new_file(file, "r")) == NULL)
142 pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *)pass);
145 TSerr(TS_F_TS_CONF_LOAD_KEY, TS_R_CANNOT_LOAD_KEY);
150 /* Function definitions for handling configuration options. */
152 static void ts_CONF_lookup_fail(const char *name, const char *tag)
154 TSerr(TS_F_TS_CONF_LOOKUP_FAIL, TS_R_VAR_LOOKUP_FAILURE);
155 ERR_add_error_data(3, name, "::", tag);
158 static void ts_CONF_invalid(const char *name, const char *tag)
160 TSerr(TS_F_TS_CONF_INVALID, TS_R_VAR_BAD_VALUE);
161 ERR_add_error_data(3, name, "::", tag);
164 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section)
167 section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA);
169 ts_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA);
174 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
178 char *serial = NCONF_get_string(conf, section, ENV_SERIAL);
180 ts_CONF_lookup_fail(section, ENV_SERIAL);
183 TS_RESP_CTX_set_serial_cb(ctx, cb, serial);
190 #ifndef OPENSSL_NO_ENGINE
192 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
198 device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE);
200 if (device && !TS_CONF_set_default_engine(device)) {
201 ts_CONF_invalid(section, ENV_CRYPTO_DEVICE);
209 int TS_CONF_set_default_engine(const char *name)
214 if (strcmp(name, "builtin") == 0)
217 if ((e = ENGINE_by_id(name)) == NULL)
219 if (strcmp(name, "chil") == 0)
220 ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0);
221 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL))
227 TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE, TS_R_COULD_NOT_SET_ENGINE);
228 ERR_add_error_data(2, "engine:", name);
236 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
237 const char *cert, TS_RESP_CTX *ctx)
240 X509 *cert_obj = NULL;
243 cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT);
245 ts_CONF_lookup_fail(section, ENV_SIGNER_CERT);
249 if ((cert_obj = TS_CONF_load_cert(cert)) == NULL)
251 if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj))
260 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
264 STACK_OF(X509) *certs_obj = NULL;
267 /* Certificate chain is optional. */
268 if ((certs = NCONF_get_string(conf, section, ENV_CERTS)) == NULL)
271 if ((certs_obj = TS_CONF_load_certs(certs)) == NULL)
273 if (!TS_RESP_CTX_set_certs(ctx, certs_obj))
278 sk_X509_pop_free(certs_obj, X509_free);
282 int TS_CONF_set_signer_key(CONF *conf, const char *section,
283 const char *key, const char *pass,
287 EVP_PKEY *key_obj = NULL;
289 key = NCONF_get_string(conf, section, ENV_SIGNER_KEY);
291 ts_CONF_lookup_fail(section, ENV_SIGNER_KEY);
294 if ((key_obj = TS_CONF_load_key(key, pass)) == NULL)
296 if (!TS_RESP_CTX_set_signer_key(ctx, key_obj))
301 EVP_PKEY_free(key_obj);
305 int TS_CONF_set_signer_digest(CONF *conf, const char *section,
306 const char *md, TS_RESP_CTX *ctx)
309 const EVP_MD *sign_md = NULL;
311 md = NCONF_get_string(conf, section, ENV_SIGNER_DIGEST);
313 ts_CONF_lookup_fail(section, ENV_SIGNER_DIGEST);
316 sign_md = EVP_get_digestbyname(md);
317 if (sign_md == NULL) {
318 ts_CONF_invalid(section, ENV_SIGNER_DIGEST);
321 if (!TS_RESP_CTX_set_signer_digest(ctx, sign_md))
329 int TS_CONF_set_def_policy(CONF *conf, const char *section,
330 const char *policy, TS_RESP_CTX *ctx)
333 ASN1_OBJECT *policy_obj = NULL;
335 policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY);
337 ts_CONF_lookup_fail(section, ENV_DEFAULT_POLICY);
340 if ((policy_obj = OBJ_txt2obj(policy, 0)) == NULL) {
341 ts_CONF_invalid(section, ENV_DEFAULT_POLICY);
344 if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj))
349 ASN1_OBJECT_free(policy_obj);
353 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx)
357 STACK_OF(CONF_VALUE) *list = NULL;
358 char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES);
360 /* If no other policy is specified, that's fine. */
361 if (policies && (list = X509V3_parse_list(policies)) == NULL) {
362 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
365 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
366 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
367 const char *extval = val->value ? val->value : val->name;
370 if ((objtmp = OBJ_txt2obj(extval, 0)) == NULL) {
371 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
374 if (!TS_RESP_CTX_add_policy(ctx, objtmp))
376 ASN1_OBJECT_free(objtmp);
381 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
385 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx)
389 STACK_OF(CONF_VALUE) *list = NULL;
390 char *digests = NCONF_get_string(conf, section, ENV_DIGESTS);
392 if (digests == NULL) {
393 ts_CONF_lookup_fail(section, ENV_DIGESTS);
396 if ((list = X509V3_parse_list(digests)) == NULL) {
397 ts_CONF_invalid(section, ENV_DIGESTS);
400 if (sk_CONF_VALUE_num(list) == 0) {
401 ts_CONF_invalid(section, ENV_DIGESTS);
404 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
405 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
406 const char *extval = val->value ? val->value : val->name;
409 if ((md = EVP_get_digestbyname(extval)) == NULL) {
410 ts_CONF_invalid(section, ENV_DIGESTS);
413 if (!TS_RESP_CTX_add_md(ctx, md))
419 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
423 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx)
427 int secs = 0, millis = 0, micros = 0;
428 STACK_OF(CONF_VALUE) *list = NULL;
429 char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY);
431 if (accuracy && (list = X509V3_parse_list(accuracy)) == NULL) {
432 ts_CONF_invalid(section, ENV_ACCURACY);
435 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
436 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
437 if (strcmp(val->name, ENV_VALUE_SECS) == 0) {
439 secs = atoi(val->value);
440 } else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) {
442 millis = atoi(val->value);
443 } else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) {
445 micros = atoi(val->value);
447 ts_CONF_invalid(section, ENV_ACCURACY);
451 if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros))
456 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
460 int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
467 * If not specified, set the default value to 0, i.e. sec precision
469 if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
472 if (digits < 0 || digits > TS_MAX_CLOCK_PRECISION_DIGITS) {
473 ts_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS);
477 if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits))
485 static int ts_CONF_add_flag(CONF *conf, const char *section,
486 const char *field, int flag, TS_RESP_CTX *ctx)
488 const char *value = NCONF_get_string(conf, section, field);
491 if (strcmp(value, ENV_VALUE_YES) == 0)
492 TS_RESP_CTX_add_flags(ctx, flag);
493 else if (strcmp(value, ENV_VALUE_NO) != 0) {
494 ts_CONF_invalid(section, field);
502 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx)
504 return ts_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx);
507 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx)
509 return ts_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx);
512 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
515 return ts_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN,
516 TS_ESS_CERT_ID_CHAIN, ctx);