1 /* crypto/ts/ts_conf.c */
3 * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2006 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).
62 #include <openssl/crypto.h>
63 #include "internal/cryptlib.h"
64 #include <openssl/pem.h>
65 #ifndef OPENSSL_NO_ENGINE
66 # include <openssl/engine.h>
68 #include <openssl/ts.h>
70 /* Macro definitions for the configuration file. */
71 #define BASE_SECTION "tsa"
72 #define ENV_DEFAULT_TSA "default_tsa"
73 #define ENV_SERIAL "serial"
74 #define ENV_CRYPTO_DEVICE "crypto_device"
75 #define ENV_SIGNER_CERT "signer_cert"
76 #define ENV_CERTS "certs"
77 #define ENV_SIGNER_KEY "signer_key"
78 #define ENV_DEFAULT_POLICY "default_policy"
79 #define ENV_OTHER_POLICIES "other_policies"
80 #define ENV_DIGESTS "digests"
81 #define ENV_ACCURACY "accuracy"
82 #define ENV_ORDERING "ordering"
83 #define ENV_TSA_NAME "tsa_name"
84 #define ENV_ESS_CERT_ID_CHAIN "ess_cert_id_chain"
85 #define ENV_VALUE_SECS "secs"
86 #define ENV_VALUE_MILLISECS "millisecs"
87 #define ENV_VALUE_MICROSECS "microsecs"
88 #define ENV_CLOCK_PRECISION_DIGITS "clock_precision_digits"
89 #define ENV_VALUE_YES "yes"
90 #define ENV_VALUE_NO "no"
92 /* Function definitions for certificate and key loading. */
94 X509 *TS_CONF_load_cert(const char *file)
99 if ((cert = BIO_new_file(file, "r")) == NULL)
101 x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);
104 TSerr(TS_F_TS_CONF_LOAD_CERT, TS_R_CANNOT_LOAD_CERT);
109 STACK_OF(X509) *TS_CONF_load_certs(const char *file)
112 STACK_OF(X509) *othercerts = NULL;
113 STACK_OF(X509_INFO) *allcerts = NULL;
116 if ((certs = BIO_new_file(file, "r")) == NULL)
118 if ((othercerts = sk_X509_new_null()) == NULL)
121 allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
122 for (i = 0; i < sk_X509_INFO_num(allcerts); i++) {
123 X509_INFO *xi = sk_X509_INFO_value(allcerts, i);
125 sk_X509_push(othercerts, xi->x509);
130 if (othercerts == NULL)
131 TSerr(TS_F_TS_CONF_LOAD_CERTS, TS_R_CANNOT_LOAD_CERT);
132 sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
137 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass)
140 EVP_PKEY *pkey = NULL;
142 if ((key = BIO_new_file(file, "r")) == NULL)
144 pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *)pass);
147 TSerr(TS_F_TS_CONF_LOAD_KEY, TS_R_CANNOT_LOAD_KEY);
152 /* Function definitions for handling configuration options. */
154 static void ts_CONF_lookup_fail(const char *name, const char *tag)
156 TSerr(TS_F_TS_CONF_LOOKUP_FAIL, TS_R_VAR_LOOKUP_FAILURE);
157 ERR_add_error_data(3, name, "::", tag);
160 static void ts_CONF_invalid(const char *name, const char *tag)
162 TSerr(TS_F_TS_CONF_INVALID, TS_R_VAR_BAD_VALUE);
163 ERR_add_error_data(3, name, "::", tag);
166 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section)
169 section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA);
171 ts_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA);
176 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
180 char *serial = NCONF_get_string(conf, section, ENV_SERIAL);
182 ts_CONF_lookup_fail(section, ENV_SERIAL);
185 TS_RESP_CTX_set_serial_cb(ctx, cb, serial);
192 #ifndef OPENSSL_NO_ENGINE
194 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
200 device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE);
202 if (device && !TS_CONF_set_default_engine(device)) {
203 ts_CONF_invalid(section, ENV_CRYPTO_DEVICE);
211 int TS_CONF_set_default_engine(const char *name)
216 if (strcmp(name, "builtin") == 0)
219 if ((e = ENGINE_by_id(name)) == NULL)
221 if (strcmp(name, "chil") == 0)
222 ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0);
223 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL))
229 TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE, TS_R_COULD_NOT_SET_ENGINE);
230 ERR_add_error_data(2, "engine:", name);
238 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
239 const char *cert, TS_RESP_CTX *ctx)
242 X509 *cert_obj = NULL;
245 cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT);
247 ts_CONF_lookup_fail(section, ENV_SIGNER_CERT);
251 if ((cert_obj = TS_CONF_load_cert(cert)) == NULL)
253 if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj))
262 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
266 STACK_OF(X509) *certs_obj = NULL;
269 /* Certificate chain is optional. */
270 if ((certs = NCONF_get_string(conf, section, ENV_CERTS)) == NULL)
273 if ((certs_obj = TS_CONF_load_certs(certs)) == NULL)
275 if (!TS_RESP_CTX_set_certs(ctx, certs_obj))
280 sk_X509_pop_free(certs_obj, X509_free);
284 int TS_CONF_set_signer_key(CONF *conf, const char *section,
285 const char *key, const char *pass,
289 EVP_PKEY *key_obj = NULL;
291 key = NCONF_get_string(conf, section, ENV_SIGNER_KEY);
293 ts_CONF_lookup_fail(section, ENV_SIGNER_KEY);
296 if ((key_obj = TS_CONF_load_key(key, pass)) == NULL)
298 if (!TS_RESP_CTX_set_signer_key(ctx, key_obj))
303 EVP_PKEY_free(key_obj);
307 int TS_CONF_set_def_policy(CONF *conf, const char *section,
308 const char *policy, TS_RESP_CTX *ctx)
311 ASN1_OBJECT *policy_obj = NULL;
313 policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY);
315 ts_CONF_lookup_fail(section, ENV_DEFAULT_POLICY);
318 if ((policy_obj = OBJ_txt2obj(policy, 0)) == NULL) {
319 ts_CONF_invalid(section, ENV_DEFAULT_POLICY);
322 if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj))
327 ASN1_OBJECT_free(policy_obj);
331 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx)
335 STACK_OF(CONF_VALUE) *list = NULL;
336 char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES);
338 /* If no other policy is specified, that's fine. */
339 if (policies && (list = X509V3_parse_list(policies)) == NULL) {
340 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
343 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
344 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
345 const char *extval = val->value ? val->value : val->name;
348 if ((objtmp = OBJ_txt2obj(extval, 0)) == NULL) {
349 ts_CONF_invalid(section, ENV_OTHER_POLICIES);
352 if (!TS_RESP_CTX_add_policy(ctx, objtmp))
354 ASN1_OBJECT_free(objtmp);
359 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
363 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx)
367 STACK_OF(CONF_VALUE) *list = NULL;
368 char *digests = NCONF_get_string(conf, section, ENV_DIGESTS);
370 if (digests == NULL) {
371 ts_CONF_lookup_fail(section, ENV_DIGESTS);
374 if ((list = X509V3_parse_list(digests)) == NULL) {
375 ts_CONF_invalid(section, ENV_DIGESTS);
378 if (sk_CONF_VALUE_num(list) == 0) {
379 ts_CONF_invalid(section, ENV_DIGESTS);
382 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
383 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
384 const char *extval = val->value ? val->value : val->name;
387 if ((md = EVP_get_digestbyname(extval)) == NULL) {
388 ts_CONF_invalid(section, ENV_DIGESTS);
391 if (!TS_RESP_CTX_add_md(ctx, md))
397 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
401 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx)
405 int secs = 0, millis = 0, micros = 0;
406 STACK_OF(CONF_VALUE) *list = NULL;
407 char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY);
409 if (accuracy && (list = X509V3_parse_list(accuracy)) == NULL) {
410 ts_CONF_invalid(section, ENV_ACCURACY);
413 for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
414 CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
415 if (strcmp(val->name, ENV_VALUE_SECS) == 0) {
417 secs = atoi(val->value);
418 } else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) {
420 millis = atoi(val->value);
421 } else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) {
423 micros = atoi(val->value);
425 ts_CONF_invalid(section, ENV_ACCURACY);
429 if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros))
434 sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
438 int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
445 * If not specified, set the default value to 0, i.e. sec precision
447 if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
450 if (digits < 0 || digits > TS_MAX_CLOCK_PRECISION_DIGITS) {
451 ts_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS);
455 if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits))
463 static int ts_CONF_add_flag(CONF *conf, const char *section,
464 const char *field, int flag, TS_RESP_CTX *ctx)
466 const char *value = NCONF_get_string(conf, section, field);
469 if (strcmp(value, ENV_VALUE_YES) == 0)
470 TS_RESP_CTX_add_flags(ctx, flag);
471 else if (strcmp(value, ENV_VALUE_NO) != 0) {
472 ts_CONF_invalid(section, field);
480 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx)
482 return ts_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx);
485 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx)
487 return ts_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx);
490 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
493 return ts_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN,
494 TS_ESS_CERT_ID_CHAIN, ctx);