--- /dev/null
+/* crypto/ts/ts_conf.c */
+/* 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/crypto.h>
+#include "cryptlib.h"
+#include <openssl/pem.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/ts.h>
+
+/* 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)
+ {
+ sk_X509_push(othercerts, xi->x509);
+ 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;
+ /* Enable the use of the NCipher HSM for forked children. */
+ if (strcmp(name, "chil") == 0)
+ ENGINE_ctrl(e, ENGINE_CTRL_CHIL_SET_FORKCHECK, 1, 0, 0);
+ /* 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_add_error_data(2, "engine:", 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);
+ }
projects / cassiopeia.git / blobdiff