Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/ts/ts_conf.c	Lines:	0	236	0.0 %
Date:	2016-12-06	Branches:	0	132	0.0 %


/* $OpenBSD: ts_conf.c,v 1.9 2015/02/11 03:19:37 doug Exp $ */
/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
 * project 2002.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <string.h>

#include <openssl/opensslconf.h>

#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/ts.h>

#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif

/* Macro definitions for the configuration file. */

#define	BASE_SECTION			"tsa"
#define	ENV_DEFAULT_TSA			"default_tsa"
#define	ENV_SERIAL			"serial"
#define ENV_CRYPTO_DEVICE		"crypto_device"
#define	ENV_SIGNER_CERT			"signer_cert"
#define	ENV_CERTS			"certs"
#define	ENV_SIGNER_KEY			"signer_key"
#define	ENV_DEFAULT_POLICY		"default_policy"
#define	ENV_OTHER_POLICIES		"other_policies"
#define	ENV_DIGESTS			"digests"
#define	ENV_ACCURACY			"accuracy"
#define	ENV_ORDERING			"ordering"
#define	ENV_TSA_NAME			"tsa_name"
#define	ENV_ESS_CERT_ID_CHAIN		"ess_cert_id_chain"
#define	ENV_VALUE_SECS			"secs"
#define	ENV_VALUE_MILLISECS		"millisecs"
#define	ENV_VALUE_MICROSECS		"microsecs"
#define	ENV_CLOCK_PRECISION_DIGITS	"clock_precision_digits"
#define	ENV_VALUE_YES			"yes"
#define	ENV_VALUE_NO			"no"

/* Function definitions for certificate and key loading. */

X509 *
TS_CONF_load_cert(const char *file)
{
	BIO *cert = NULL;
	X509 *x = NULL;

	if ((cert = BIO_new_file(file, "r")) == NULL)
		goto end;
	x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);

end:
	if (x == NULL)
		fprintf(stderr, "unable to load certificate: %s\n", file);
	BIO_free(cert);
	return x;
}

STACK_OF(X509) *
TS_CONF_load_certs(const char *file)
{
	BIO *certs = NULL;
	STACK_OF(X509) *othercerts = NULL;
	STACK_OF(X509_INFO) *allcerts = NULL;
	int i;

	if (!(certs = BIO_new_file(file, "r")))
		goto end;

	if (!(othercerts = sk_X509_new_null()))
		goto end;
	allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
	for (i = 0; i < sk_X509_INFO_num(allcerts); i++) {
		X509_INFO *xi = sk_X509_INFO_value(allcerts, i);
		if (xi->x509) {
			if (sk_X509_push(othercerts, xi->x509) == 0) {
				sk_X509_pop_free(othercerts, X509_free);
				othercerts = NULL;
				goto end;
			}
			xi->x509 = NULL;
		}
	}

end:
	if (othercerts == NULL)
		fprintf(stderr, "unable to load certificates: %s\n", file);
	sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
	BIO_free(certs);
	return othercerts;
}

EVP_PKEY *
TS_CONF_load_key(const char *file, const char *pass)
{
	BIO *key = NULL;
	EVP_PKEY *pkey = NULL;

	if (!(key = BIO_new_file(file, "r")))
		goto end;
	pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *) pass);

end:
	if (pkey == NULL)
		fprintf(stderr, "unable to load private key: %s\n", file);
	BIO_free(key);
	return pkey;
}

/* Function definitions for handling configuration options. */

static void
TS_CONF_lookup_fail(const char *name, const char *tag)
{
	fprintf(stderr, "variable lookup failed for %s::%s\n", name, tag);
}

static void
TS_CONF_invalid(const char *name, const char *tag)
{
	fprintf(stderr, "invalid variable value for %s::%s\n", name, tag);
}

const char *
TS_CONF_get_tsa_section(CONF *conf, const char *section)
{
	if (!section) {
		section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA);
		if (!section)
			TS_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA);
	}
	return section;
}

int
TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
    TS_RESP_CTX *ctx)
{
	int ret = 0;
	char *serial = NCONF_get_string(conf, section, ENV_SERIAL);

	if (!serial) {
		TS_CONF_lookup_fail(section, ENV_SERIAL);
		goto err;
	}
	TS_RESP_CTX_set_serial_cb(ctx, cb, serial);

	ret = 1;

err:
	return ret;
}

#ifndef OPENSSL_NO_ENGINE

int
TS_CONF_set_crypto_device(CONF *conf, const char *section, const char *device)
{
	int ret = 0;

	if (!device)
		device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE);

	if (device && !TS_CONF_set_default_engine(device)) {
		TS_CONF_invalid(section, ENV_CRYPTO_DEVICE);
		goto err;
	}
	ret = 1;

err:
	return ret;
}

int
TS_CONF_set_default_engine(const char *name)
{
	ENGINE *e = NULL;
	int ret = 0;

	/* Leave the default if builtin specified. */
	if (strcmp(name, "builtin") == 0)
		return 1;

	if (!(e = ENGINE_by_id(name)))
		goto err;
	/* All the operations are going to be carried out by the engine. */
	if (!ENGINE_set_default(e, ENGINE_METHOD_ALL))
		goto err;
	ret = 1;

err:
	if (!ret) {
		TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE,
		    TS_R_COULD_NOT_SET_ENGINE);
		ERR_asprintf_error_data("engine:%s", name);
	}
	if (e)
		ENGINE_free(e);
	return ret;
}

#endif

int
TS_CONF_set_signer_cert(CONF *conf, const char *section, const char *cert,
    TS_RESP_CTX *ctx)
{
	int ret = 0;
	X509 *cert_obj = NULL;

	if (!cert)
		cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT);
	if (!cert) {
		TS_CONF_lookup_fail(section, ENV_SIGNER_CERT);
		goto err;
	}
	if (!(cert_obj = TS_CONF_load_cert(cert)))
		goto err;
	if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj))
		goto err;

	ret = 1;

err:
	X509_free(cert_obj);
	return ret;
}

int
TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
    TS_RESP_CTX *ctx)
{
	int ret = 0;
	STACK_OF(X509) *certs_obj = NULL;

	if (!certs)
		certs = NCONF_get_string(conf, section, ENV_CERTS);
	/* Certificate chain is optional. */
	if (!certs)
		goto end;
	if (!(certs_obj = TS_CONF_load_certs(certs)))
		goto err;
	if (!TS_RESP_CTX_set_certs(ctx, certs_obj))
		goto err;

end:
	ret = 1;
err:
	sk_X509_pop_free(certs_obj, X509_free);
	return ret;
}

int
TS_CONF_set_signer_key(CONF *conf, const char *section, const char *key,
    const char *pass, TS_RESP_CTX *ctx)
{
	int ret = 0;
	EVP_PKEY *key_obj = NULL;

	if (!key)
		key = NCONF_get_string(conf, section, ENV_SIGNER_KEY);
	if (!key) {
		TS_CONF_lookup_fail(section, ENV_SIGNER_KEY);
		goto err;
	}
	if (!(key_obj = TS_CONF_load_key(key, pass)))
		goto err;
	if (!TS_RESP_CTX_set_signer_key(ctx, key_obj))
		goto err;

	ret = 1;

err:
	EVP_PKEY_free(key_obj);
	return ret;
}

int
TS_CONF_set_def_policy(CONF *conf, const char *section, const char *policy,
    TS_RESP_CTX *ctx)
{
	int ret = 0;
	ASN1_OBJECT *policy_obj = NULL;

    	if (!policy)
		policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY);
	if (!policy) {
		TS_CONF_lookup_fail(section, ENV_DEFAULT_POLICY);
		goto err;
	}
	if (!(policy_obj = OBJ_txt2obj(policy, 0))) {
		TS_CONF_invalid(section, ENV_DEFAULT_POLICY);
		goto err;
	}
	if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj))
		goto err;

	ret = 1;

err:
	ASN1_OBJECT_free(policy_obj);
	return ret;
}

int
TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	int ret = 0;
	int i;
	STACK_OF(CONF_VALUE) *list = NULL;
	char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES);

	/* If no other policy is specified, that's fine. */
	if (policies && !(list = X509V3_parse_list(policies))) {
		TS_CONF_invalid(section, ENV_OTHER_POLICIES);
		goto err;
	}
	for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
		CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
		const char *extval = val->value ? val->value : val->name;
		ASN1_OBJECT *objtmp;
		if (!(objtmp = OBJ_txt2obj(extval, 0))) {
			TS_CONF_invalid(section, ENV_OTHER_POLICIES);
			goto err;
		}
		if (!TS_RESP_CTX_add_policy(ctx, objtmp))
			goto err;
		ASN1_OBJECT_free(objtmp);
	}

	ret = 1;

err:
	sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
	return ret;
}

int
TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	int ret = 0;
	int i;
	STACK_OF(CONF_VALUE) *list = NULL;
	char *digests = NCONF_get_string(conf, section, ENV_DIGESTS);

	if (!digests) {
		TS_CONF_lookup_fail(section, ENV_DIGESTS);
		goto err;
	}
	if (!(list = X509V3_parse_list(digests))) {
		TS_CONF_invalid(section, ENV_DIGESTS);
		goto err;
	}
	if (sk_CONF_VALUE_num(list) == 0) {
		TS_CONF_invalid(section, ENV_DIGESTS);
		goto err;
	}
	for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
		CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
		const char *extval = val->value ? val->value : val->name;
		const EVP_MD *md;
		if (!(md = EVP_get_digestbyname(extval))) {
			TS_CONF_invalid(section, ENV_DIGESTS);
			goto err;
		}
		if (!TS_RESP_CTX_add_md(ctx, md))
			goto err;
	}

	ret = 1;

err:
	sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
	return ret;
}

int
TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	int ret = 0;
	int i;
	int secs = 0, millis = 0, micros = 0;
	STACK_OF(CONF_VALUE) *list = NULL;
	char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY);

	if (accuracy && !(list = X509V3_parse_list(accuracy))) {
		TS_CONF_invalid(section, ENV_ACCURACY);
		goto err;
	}
	for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
		CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
		if (strcmp(val->name, ENV_VALUE_SECS) == 0) {
			if (val->value)
				secs = atoi(val->value);
		} else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) {
			if (val->value)
				millis = atoi(val->value);
		} else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) {
			if (val->value)
				micros = atoi(val->value);
		} else {
			TS_CONF_invalid(section, ENV_ACCURACY);
			goto err;
		}
	}
	if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros))
		goto err;

	ret = 1;

err:
	sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
	return ret;
}

int
TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
    TS_RESP_CTX *ctx)
{
	int ret = 0;
	long digits = 0;

	/* If not specified, set the default value to 0, i.e. sec  precision */
	if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
	    &digits))
		digits = 0;
	if (digits < 0 || digits > TS_MAX_CLOCK_PRECISION_DIGITS) {
		TS_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS);
		goto err;
	}

	if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits))
		goto err;

	return 1;

err:
	return ret;
}

static int
TS_CONF_add_flag(CONF *conf, const char *section, const char *field, int flag,
    TS_RESP_CTX *ctx)
{
	/* Default is false. */
	const char *value = NCONF_get_string(conf, section, field);

	if (value) {
		if (strcmp(value, ENV_VALUE_YES) == 0)
			TS_RESP_CTX_add_flags(ctx, flag);
		else if (strcmp(value, ENV_VALUE_NO) != 0) {
			TS_CONF_invalid(section, field);
			return 0;
		}
	}

	return 1;
}

int
TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	return TS_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx);
}

int
TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	return TS_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx);
}

int
TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section, TS_RESP_CTX *ctx)
{
	return TS_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN,
	    TS_ESS_CERT_ID_CHAIN, ctx);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ts_conf.c,v 1.9 2015/02/11 03:19:37 doug Exp $ */
2			/* Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL
3			* project 2002.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
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
18			* distribution.
19			*
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/)"
24			*
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.
29			*
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.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38			*
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			* ====================================================================
52			*
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).
56			*
57			*/
58
59			#include <string.h>
60
61			#include <openssl/opensslconf.h>
62
63			#include <openssl/crypto.h>
64			#include <openssl/err.h>
65			#include <openssl/pem.h>
66			#include <openssl/ts.h>
67
68			#ifndef OPENSSL_NO_ENGINE
69			#include <openssl/engine.h>
70			#endif
71
72			/* Macro definitions for the configuration file. */
73
74			#define BASE_SECTION "tsa"
75			#define ENV_DEFAULT_TSA "default_tsa"
76			#define ENV_SERIAL "serial"
77			#define ENV_CRYPTO_DEVICE "crypto_device"
78			#define ENV_SIGNER_CERT "signer_cert"
79			#define ENV_CERTS "certs"
80			#define ENV_SIGNER_KEY "signer_key"
81			#define ENV_DEFAULT_POLICY "default_policy"
82			#define ENV_OTHER_POLICIES "other_policies"
83			#define ENV_DIGESTS "digests"
84			#define ENV_ACCURACY "accuracy"
85			#define ENV_ORDERING "ordering"
86			#define ENV_TSA_NAME "tsa_name"
87			#define ENV_ESS_CERT_ID_CHAIN "ess_cert_id_chain"
88			#define ENV_VALUE_SECS "secs"
89			#define ENV_VALUE_MILLISECS "millisecs"
90			#define ENV_VALUE_MICROSECS "microsecs"
91			#define ENV_CLOCK_PRECISION_DIGITS "clock_precision_digits"
92			#define ENV_VALUE_YES "yes"
93			#define ENV_VALUE_NO "no"
94
95			/* Function definitions for certificate and key loading. */
96
97			X509 *
98			TS_CONF_load_cert(const char *file)
99			{
100			BIO *cert = NULL;
101			X509 *x = NULL;
102
103			if ((cert = BIO_new_file(file, "r")) == NULL)
104			goto end;
105			x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);
106
107			end:
108			if (x == NULL)
109			fprintf(stderr, "unable to load certificate: %s\n", file);
110			BIO_free(cert);
111			return x;
112			}
113
114			STACK_OF(X509) *
115			TS_CONF_load_certs(const char *file)
116			{
117			BIO *certs = NULL;
118			STACK_OF(X509) *othercerts = NULL;
119			STACK_OF(X509_INFO) *allcerts = NULL;
120			int i;
121
122			if (!(certs = BIO_new_file(file, "r")))
123			goto end;
124
125			if (!(othercerts = sk_X509_new_null()))
126			goto end;
127			allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
128			for (i = 0; i < sk_X509_INFO_num(allcerts); i++) {
129			X509_INFO *xi = sk_X509_INFO_value(allcerts, i);
130			if (xi->x509) {
131			if (sk_X509_push(othercerts, xi->x509) == 0) {
132			sk_X509_pop_free(othercerts, X509_free);
133			othercerts = NULL;
134			goto end;
135			}
136			xi->x509 = NULL;
137			}
138			}
139
140			end:
141			if (othercerts == NULL)
142			fprintf(stderr, "unable to load certificates: %s\n", file);
143			sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
144			BIO_free(certs);
145			return othercerts;
146			}
147
148			EVP_PKEY *
149			TS_CONF_load_key(const char file, const char pass)
150			{
151			BIO *key = NULL;
152			EVP_PKEY *pkey = NULL;
153
154			if (!(key = BIO_new_file(file, "r")))
155			goto end;
156			pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *) pass);
157
158			end:
159			if (pkey == NULL)
160			fprintf(stderr, "unable to load private key: %s\n", file);
161			BIO_free(key);
162			return pkey;
163			}
164
165			/* Function definitions for handling configuration options. */
166
167			static void
168			TS_CONF_lookup_fail(const char name, const char tag)
169			{
170			fprintf(stderr, "variable lookup failed for %s::%s\n", name, tag);
171			}
172
173			static void
174			TS_CONF_invalid(const char name, const char tag)
175			{
176			fprintf(stderr, "invalid variable value for %s::%s\n", name, tag);
177			}
178
179			const char *
180			TS_CONF_get_tsa_section(CONF conf, const char section)
181			{
182			if (!section) {
183			section = NCONF_get_string(conf, BASE_SECTION, ENV_DEFAULT_TSA);
184			if (!section)
185			TS_CONF_lookup_fail(BASE_SECTION, ENV_DEFAULT_TSA);
186			}
187			return section;
188			}
189
190			int
191			TS_CONF_set_serial(CONF conf, const char section, TS_serial_cb cb,
192			TS_RESP_CTX *ctx)
193			{
194			int ret = 0;
195			char *serial = NCONF_get_string(conf, section, ENV_SERIAL);
196
197			if (!serial) {
198			TS_CONF_lookup_fail(section, ENV_SERIAL);
199			goto err;
200			}
201			TS_RESP_CTX_set_serial_cb(ctx, cb, serial);
202
203			ret = 1;
204
205			err:
206			return ret;
207			}
208
209			#ifndef OPENSSL_NO_ENGINE
210
211			int
212			TS_CONF_set_crypto_device(CONF conf, const char section, const char *device)
213			{
214			int ret = 0;
215
216			if (!device)
217			device = NCONF_get_string(conf, section, ENV_CRYPTO_DEVICE);
218
219			if (device && !TS_CONF_set_default_engine(device)) {
220			TS_CONF_invalid(section, ENV_CRYPTO_DEVICE);
221			goto err;
222			}
223			ret = 1;
224
225			err:
226			return ret;
227			}
228
229			int
230			TS_CONF_set_default_engine(const char *name)
231			{
232			ENGINE *e = NULL;
233			int ret = 0;
234
235			/* Leave the default if builtin specified. */
236			if (strcmp(name, "builtin") == 0)
237			return 1;
238
239			if (!(e = ENGINE_by_id(name)))
240			goto err;
241			/* All the operations are going to be carried out by the engine. */
242			if (!ENGINE_set_default(e, ENGINE_METHOD_ALL))
243			goto err;
244			ret = 1;
245
246			err:
247			if (!ret) {
248			TSerr(TS_F_TS_CONF_SET_DEFAULT_ENGINE,
249			TS_R_COULD_NOT_SET_ENGINE);
250			ERR_asprintf_error_data("engine:%s", name);
251			}
252			if (e)
253			ENGINE_free(e);
254			return ret;
255			}
256
257			#endif
258
259			int
260			TS_CONF_set_signer_cert(CONF conf, const char section, const char *cert,
261			TS_RESP_CTX *ctx)
262			{
263			int ret = 0;
264			X509 *cert_obj = NULL;
265
266			if (!cert)
267			cert = NCONF_get_string(conf, section, ENV_SIGNER_CERT);
268			if (!cert) {
269			TS_CONF_lookup_fail(section, ENV_SIGNER_CERT);
270			goto err;
271			}
272			if (!(cert_obj = TS_CONF_load_cert(cert)))
273			goto err;
274			if (!TS_RESP_CTX_set_signer_cert(ctx, cert_obj))
275			goto err;
276
277			ret = 1;
278
279			err:
280			X509_free(cert_obj);
281			return ret;
282			}
283
284			int
285			TS_CONF_set_certs(CONF conf, const char section, const char *certs,
286			TS_RESP_CTX *ctx)
287			{
288			int ret = 0;
289			STACK_OF(X509) *certs_obj = NULL;
290
291			if (!certs)
292			certs = NCONF_get_string(conf, section, ENV_CERTS);
293			/* Certificate chain is optional. */
294			if (!certs)
295			goto end;
296			if (!(certs_obj = TS_CONF_load_certs(certs)))
297			goto err;
298			if (!TS_RESP_CTX_set_certs(ctx, certs_obj))
299			goto err;
300
301			end:
302			ret = 1;
303			err:
304			sk_X509_pop_free(certs_obj, X509_free);
305			return ret;
306			}
307
308			int
309			TS_CONF_set_signer_key(CONF conf, const char section, const char *key,
310			const char pass, TS_RESP_CTX ctx)
311			{
312			int ret = 0;
313			EVP_PKEY *key_obj = NULL;
314
315			if (!key)
316			key = NCONF_get_string(conf, section, ENV_SIGNER_KEY);
317			if (!key) {
318			TS_CONF_lookup_fail(section, ENV_SIGNER_KEY);
319			goto err;
320			}
321			if (!(key_obj = TS_CONF_load_key(key, pass)))
322			goto err;
323			if (!TS_RESP_CTX_set_signer_key(ctx, key_obj))
324			goto err;
325
326			ret = 1;
327
328			err:
329			EVP_PKEY_free(key_obj);
330			return ret;
331			}
332
333			int
334			TS_CONF_set_def_policy(CONF conf, const char section, const char *policy,
335			TS_RESP_CTX *ctx)
336			{
337			int ret = 0;
338			ASN1_OBJECT *policy_obj = NULL;
339
340			if (!policy)
341			policy = NCONF_get_string(conf, section, ENV_DEFAULT_POLICY);
342			if (!policy) {
343			TS_CONF_lookup_fail(section, ENV_DEFAULT_POLICY);
344			goto err;
345			}
346			if (!(policy_obj = OBJ_txt2obj(policy, 0))) {
347			TS_CONF_invalid(section, ENV_DEFAULT_POLICY);
348			goto err;
349			}
350			if (!TS_RESP_CTX_set_def_policy(ctx, policy_obj))
351			goto err;
352
353			ret = 1;
354
355			err:
356			ASN1_OBJECT_free(policy_obj);
357			return ret;
358			}
359
360			int
361			TS_CONF_set_policies(CONF conf, const char section, TS_RESP_CTX *ctx)
362			{
363			int ret = 0;
364			int i;
365			STACK_OF(CONF_VALUE) *list = NULL;
366			char *policies = NCONF_get_string(conf, section, ENV_OTHER_POLICIES);
367
368			/* If no other policy is specified, that's fine. */
369			if (policies && !(list = X509V3_parse_list(policies))) {
370			TS_CONF_invalid(section, ENV_OTHER_POLICIES);
371			goto err;
372			}
373			for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
374			CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
375			const char *extval = val->value ? val->value : val->name;
376			ASN1_OBJECT *objtmp;
377			if (!(objtmp = OBJ_txt2obj(extval, 0))) {
378			TS_CONF_invalid(section, ENV_OTHER_POLICIES);
379			goto err;
380			}
381			if (!TS_RESP_CTX_add_policy(ctx, objtmp))
382			goto err;
383			ASN1_OBJECT_free(objtmp);
384			}
385
386			ret = 1;
387
388			err:
389			sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
390			return ret;
391			}
392
393			int
394			TS_CONF_set_digests(CONF conf, const char section, TS_RESP_CTX *ctx)
395			{
396			int ret = 0;
397			int i;
398			STACK_OF(CONF_VALUE) *list = NULL;
399			char *digests = NCONF_get_string(conf, section, ENV_DIGESTS);
400
401			if (!digests) {
402			TS_CONF_lookup_fail(section, ENV_DIGESTS);
403			goto err;
404			}
405			if (!(list = X509V3_parse_list(digests))) {
406			TS_CONF_invalid(section, ENV_DIGESTS);
407			goto err;
408			}
409			if (sk_CONF_VALUE_num(list) == 0) {
410			TS_CONF_invalid(section, ENV_DIGESTS);
411			goto err;
412			}
413			for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
414			CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
415			const char *extval = val->value ? val->value : val->name;
416			const EVP_MD *md;
417			if (!(md = EVP_get_digestbyname(extval))) {
418			TS_CONF_invalid(section, ENV_DIGESTS);
419			goto err;
420			}
421			if (!TS_RESP_CTX_add_md(ctx, md))
422			goto err;
423			}
424
425			ret = 1;
426
427			err:
428			sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
429			return ret;
430			}
431
432			int
433			TS_CONF_set_accuracy(CONF conf, const char section, TS_RESP_CTX *ctx)
434			{
435			int ret = 0;
436			int i;
437			int secs = 0, millis = 0, micros = 0;
438			STACK_OF(CONF_VALUE) *list = NULL;
439			char *accuracy = NCONF_get_string(conf, section, ENV_ACCURACY);
440
441			if (accuracy && !(list = X509V3_parse_list(accuracy))) {
442			TS_CONF_invalid(section, ENV_ACCURACY);
443			goto err;
444			}
445			for (i = 0; i < sk_CONF_VALUE_num(list); ++i) {
446			CONF_VALUE *val = sk_CONF_VALUE_value(list, i);
447			if (strcmp(val->name, ENV_VALUE_SECS) == 0) {
448			if (val->value)
449			secs = atoi(val->value);
450			} else if (strcmp(val->name, ENV_VALUE_MILLISECS) == 0) {
451			if (val->value)
452			millis = atoi(val->value);
453			} else if (strcmp(val->name, ENV_VALUE_MICROSECS) == 0) {
454			if (val->value)
455			micros = atoi(val->value);
456			} else {
457			TS_CONF_invalid(section, ENV_ACCURACY);
458			goto err;
459			}
460			}
461			if (!TS_RESP_CTX_set_accuracy(ctx, secs, millis, micros))
462			goto err;
463
464			ret = 1;
465
466			err:
467			sk_CONF_VALUE_pop_free(list, X509V3_conf_free);
468			return ret;
469			}
470
471			int
472			TS_CONF_set_clock_precision_digits(CONF conf, const char section,
473			TS_RESP_CTX *ctx)
474			{
475			int ret = 0;
476			long digits = 0;
477
478			/* If not specified, set the default value to 0, i.e. sec precision */
479			if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
480			&digits))
481			digits = 0;
482			if (digits < 0 \|\| digits > TS_MAX_CLOCK_PRECISION_DIGITS) {
483			TS_CONF_invalid(section, ENV_CLOCK_PRECISION_DIGITS);
484			goto err;
485			}
486
487			if (!TS_RESP_CTX_set_clock_precision_digits(ctx, digits))
488			goto err;
489
490			return 1;
491
492			err:
493			return ret;
494			}
495
496			static int
497			TS_CONF_add_flag(CONF conf, const char section, const char *field, int flag,
498			TS_RESP_CTX *ctx)
499			{
500			/* Default is false. */
501			const char *value = NCONF_get_string(conf, section, field);
502
503			if (value) {
504			if (strcmp(value, ENV_VALUE_YES) == 0)
505			TS_RESP_CTX_add_flags(ctx, flag);
506			else if (strcmp(value, ENV_VALUE_NO) != 0) {
507			TS_CONF_invalid(section, field);
508			return 0;
509			}
510			}
511
512			return 1;
513			}
514
515			int
516			TS_CONF_set_ordering(CONF conf, const char section, TS_RESP_CTX *ctx)
517			{
518			return TS_CONF_add_flag(conf, section, ENV_ORDERING, TS_ORDERING, ctx);
519			}
520
521			int
522			TS_CONF_set_tsa_name(CONF conf, const char section, TS_RESP_CTX *ctx)
523			{
524			return TS_CONF_add_flag(conf, section, ENV_TSA_NAME, TS_TSA_NAME, ctx);
525			}
526
527			int
528			TS_CONF_set_ess_cert_id_chain(CONF conf, const char section, TS_RESP_CTX *ctx)
529			{
530			return TS_CONF_add_flag(conf, section, ENV_ESS_CERT_ID_CHAIN,
531			TS_ESS_CERT_ID_CHAIN, ctx);
532			}