-/* v3_conf.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999-2002 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).
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* extension creation utilities */
#include <stdio.h>
#include <ctype.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/conf.h>
#include <openssl/x509.h>
+#include "internal/x509_int.h"
#include <openssl/x509v3.h>
-static int v3_check_critical(char **value);
-static int v3_check_generic(char **value);
+static int v3_check_critical(const char **value);
+static int v3_check_generic(const char **value);
static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
- int crit, char *value);
-static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+ int crit, const char *value);
+static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value,
int crit, int type,
X509V3_CTX *ctx);
-static char *conf_lhash_get_string(void *db, char *section, char *value);
-static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section);
+static char *conf_lhash_get_string(void *db, const char *section, const char *value);
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, const char *section);
static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method,
int ext_nid, int crit, void *ext_struc);
-static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx,
+static unsigned char *generic_asn1(const char *value, X509V3_CTX *ctx,
long *ext_len);
/* CONF *conf: Config file */
/* char *name: Name */
/* char *value: Value */
-X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name,
- char *value)
+X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, const char *name,
+ const char *value)
{
int crit;
int ext_type;
/* CONF *conf: Config file */
/* char *value: Value */
X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid,
- char *value)
+ const char *value)
{
int crit;
int ext_type;
/* CONF *conf: Config file */
/* char *value: Value */
static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
- int crit, char *value)
+ int crit, const char *value)
{
const X509V3_EXT_METHOD *method;
X509_EXTENSION *ext;
STACK_OF(CONF_VALUE) *nval;
void *ext_struc;
+
if (ext_nid == NID_undef) {
X509V3err(X509V3_F_DO_EXT_NCONF, X509V3_R_UNKNOWN_EXTENSION_NAME);
return NULL;
}
- if (!(method = X509V3_EXT_get_nid(ext_nid))) {
+ if ((method = X509V3_EXT_get_nid(ext_nid)) == NULL) {
X509V3err(X509V3_F_DO_EXT_NCONF, X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
nval = NCONF_get_section(conf, value + 1);
else
nval = X509V3_parse_list(value);
- if (sk_CONF_VALUE_num(nval) <= 0) {
+ if (nval == NULL || sk_CONF_VALUE_num(nval) <= 0) {
X509V3err(X509V3_F_DO_EXT_NCONF,
X509V3_R_INVALID_EXTENSION_STRING);
ERR_add_error_data(4, "name=", OBJ_nid2sn(ext_nid), ",section=",
value);
+ if (*value != '@')
+ sk_CONF_VALUE_pop_free(nval, X509V3_conf_free);
return NULL;
}
ext_struc = method->v2i(method, ctx, nval);
if (!ext_struc)
return NULL;
} else if (method->s2i) {
- if (!(ext_struc = method->s2i(method, ctx, value)))
+ if ((ext_struc = method->s2i(method, ctx, value)) == NULL)
return NULL;
} else if (method->r2i) {
if (!ctx->db || !ctx->db_meth) {
X509V3err(X509V3_F_DO_EXT_NCONF, X509V3_R_NO_CONFIG_DATABASE);
return NULL;
}
- if (!(ext_struc = method->r2i(method, ctx, value)))
+ if ((ext_struc = method->r2i(method, ctx, value)) == NULL)
return NULL;
} else {
X509V3err(X509V3_F_DO_EXT_NCONF,
goto merr;
} else {
unsigned char *p;
+
ext_len = method->i2d(ext_struc, NULL);
- if (!(ext_der = OPENSSL_malloc(ext_len)))
+ if ((ext_der = OPENSSL_malloc(ext_len)) == NULL)
goto merr;
p = ext_der;
method->i2d(ext_struc, &p);
}
- if (!(ext_oct = M_ASN1_OCTET_STRING_new()))
+ if ((ext_oct = ASN1_OCTET_STRING_new()) == NULL)
goto merr;
ext_oct->data = ext_der;
ext_der = NULL;
ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct);
if (!ext)
goto merr;
- M_ASN1_OCTET_STRING_free(ext_oct);
+ ASN1_OCTET_STRING_free(ext_oct);
return ext;
merr:
X509V3err(X509V3_F_DO_EXT_I2D, ERR_R_MALLOC_FAILURE);
- if (ext_der != NULL)
- OPENSSL_free(ext_der);
- if (ext_oct != NULL)
- M_ASN1_OCTET_STRING_free(ext_oct);
+ OPENSSL_free(ext_der);
+ ASN1_OCTET_STRING_free(ext_oct);
return NULL;
}
X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
{
const X509V3_EXT_METHOD *method;
- if (!(method = X509V3_EXT_get_nid(ext_nid))) {
+
+ if ((method = X509V3_EXT_get_nid(ext_nid)) == NULL) {
X509V3err(X509V3_F_X509V3_EXT_I2D, X509V3_R_UNKNOWN_EXTENSION);
return NULL;
}
}
/* Check the extension string for critical flag */
-static int v3_check_critical(char **value)
+static int v3_check_critical(const char **value)
{
- char *p = *value;
+ const char *p = *value;
if ((strlen(p) < 9) || strncmp(p, "critical,", 9))
return 0;
p += 9;
}
/* Check extension string for generic extension and return the type */
-static int v3_check_generic(char **value)
+static int v3_check_generic(const char **value)
{
int gen_type = 0;
- char *p = *value;
- if ((strlen(p) >= 4) && !strncmp(p, "DER:", 4)) {
+ const char *p = *value;
+ if ((strlen(p) >= 4) && strncmp(p, "DER:", 4) == 0) {
p += 4;
gen_type = 1;
- } else if ((strlen(p) >= 5) && !strncmp(p, "ASN1:", 5)) {
+ } else if ((strlen(p) >= 5) && strncmp(p, "ASN1:", 5) == 0) {
p += 5;
gen_type = 2;
} else
}
/* Create a generic extension: for now just handle DER type */
-static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+static X509_EXTENSION *v3_generic_extension(const char *ext, const char *value,
int crit, int gen_type,
X509V3_CTX *ctx)
{
unsigned char *ext_der = NULL;
- long ext_len;
+ long ext_len = 0;
ASN1_OBJECT *obj = NULL;
ASN1_OCTET_STRING *oct = NULL;
X509_EXTENSION *extension = NULL;
- if (!(obj = OBJ_txt2obj(ext, 0))) {
+
+ if ((obj = OBJ_txt2obj(ext, 0)) == NULL) {
X509V3err(X509V3_F_V3_GENERIC_EXTENSION,
X509V3_R_EXTENSION_NAME_ERROR);
ERR_add_error_data(2, "name=", ext);
}
if (gen_type == 1)
- ext_der = string_to_hex(value, &ext_len);
+ ext_der = OPENSSL_hexstr2buf(value, &ext_len);
else if (gen_type == 2)
ext_der = generic_asn1(value, ctx, &ext_len);
goto err;
}
- if (!(oct = M_ASN1_OCTET_STRING_new())) {
+ if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
X509V3err(X509V3_F_V3_GENERIC_EXTENSION, ERR_R_MALLOC_FAILURE);
goto err;
}
err:
ASN1_OBJECT_free(obj);
- M_ASN1_OCTET_STRING_free(oct);
- if (ext_der)
- OPENSSL_free(ext_der);
+ ASN1_OCTET_STRING_free(oct);
+ OPENSSL_free(ext_der);
return extension;
}
-static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx,
+static unsigned char *generic_asn1(const char *value, X509V3_CTX *ctx,
long *ext_len)
{
ASN1_TYPE *typ;
* file section to an extension STACK.
*/
-int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section,
+int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, const char *section,
STACK_OF(X509_EXTENSION) **sk)
{
X509_EXTENSION *ext;
STACK_OF(CONF_VALUE) *nval;
CONF_VALUE *val;
int i;
- if (!(nval = NCONF_get_section(conf, section)))
+
+ if ((nval = NCONF_get_section(conf, section)) == NULL)
return 0;
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
val = sk_CONF_VALUE_value(nval, i);
- if (!(ext = X509V3_EXT_nconf(conf, ctx, val->name, val->value)))
+ if ((ext = X509V3_EXT_nconf(conf, ctx, val->name, val->value)) == NULL)
return 0;
if (ctx->flags == X509V3_CTX_REPLACE)
delete_ext(*sk, ext);
* Convenience functions to add extensions to a certificate, CRL and request
*/
-int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
X509 *cert)
{
STACK_OF(X509_EXTENSION) **sk = NULL;
if (cert)
- sk = &cert->cert_info->extensions;
+ sk = &cert->cert_info.extensions;
return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
}
/* Same as above but for a CRL */
-int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
X509_CRL *crl)
{
STACK_OF(X509_EXTENSION) **sk = NULL;
if (crl)
- sk = &crl->crl->extensions;
+ sk = &crl->crl.extensions;
return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
}
/* Add extensions to certificate request */
-int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, const char *section,
X509_REQ *req)
{
STACK_OF(X509_EXTENSION) *extlist = NULL, **sk = NULL;
/* Config database functions */
-char *X509V3_get_string(X509V3_CTX *ctx, char *name, char *section)
+char *X509V3_get_string(X509V3_CTX *ctx, const char *name, const char *section)
{
if (!ctx->db || !ctx->db_meth || !ctx->db_meth->get_string) {
X509V3err(X509V3_F_X509V3_GET_STRING, X509V3_R_OPERATION_NOT_DEFINED);
return NULL;
}
-STACK_OF(CONF_VALUE) *X509V3_get_section(X509V3_CTX *ctx, char *section)
+STACK_OF(CONF_VALUE) *X509V3_get_section(X509V3_CTX *ctx, const char *section)
{
if (!ctx->db || !ctx->db_meth || !ctx->db_meth->get_section) {
X509V3err(X509V3_F_X509V3_GET_SECTION,
ctx->db_meth->free_section(ctx->db, section);
}
-static char *nconf_get_string(void *db, char *section, char *value)
+static char *nconf_get_string(void *db, const char *section, const char *value)
{
return NCONF_get_string(db, section, value);
}
-static STACK_OF(CONF_VALUE) *nconf_get_section(void *db, char *section)
+static STACK_OF(CONF_VALUE) *nconf_get_section(void *db, const char *section)
{
return NCONF_get_section(db, section);
}
/* Old conf compatibility functions */
X509_EXTENSION *X509V3_EXT_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
- char *name, char *value)
+ const char *name, const char *value)
{
CONF ctmp;
CONF_set_nconf(&ctmp, conf);
/* LHASH *conf: Config file */
/* char *value: Value */
X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf,
- X509V3_CTX *ctx, int ext_nid, char *value)
+ X509V3_CTX *ctx, int ext_nid, const char *value)
{
CONF ctmp;
CONF_set_nconf(&ctmp, conf);
return X509V3_EXT_nconf_nid(&ctmp, ctx, ext_nid, value);
}
-static char *conf_lhash_get_string(void *db, char *section, char *value)
+static char *conf_lhash_get_string(void *db, const char *section, const char *value)
{
return CONF_get_string(db, section, value);
}
-static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section)
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, const char *section)
{
return CONF_get_section(db, section);
}
}
int X509V3_EXT_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
- char *section, X509 *cert)
+ const char *section, X509 *cert)
{
CONF ctmp;
CONF_set_nconf(&ctmp, conf);
/* Same as above but for a CRL */
int X509V3_EXT_CRL_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
- char *section, X509_CRL *crl)
+ const char *section, X509_CRL *crl)
{
CONF ctmp;
CONF_set_nconf(&ctmp, conf);
/* Add extensions to certificate request */
int X509V3_EXT_REQ_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
- char *section, X509_REQ *req)
+ const char *section, X509_REQ *req)
{
CONF ctmp;
CONF_set_nconf(&ctmp, conf);
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