-/* conf_lib.c */
/*
- * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
- * 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 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 2000-2022 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (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
*/
+#include "internal/e_os.h"
#include <stdio.h>
+#include <string.h>
+#include "internal/conf.h"
+#include "crypto/ctype.h"
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
+#include "conf_local.h"
#include <openssl/lhash.h>
-const char CONF_version[] = "CONF" OPENSSL_VERSION_PTEXT;
-
static CONF_METHOD *default_CONF_method = NULL;
/* Init a 'CONF' structure from an old LHASH */
in = BIO_new_file(file, "rb");
#endif
if (in == NULL) {
- CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
+ ERR_raise(ERR_LIB_CONF, ERR_R_SYS_LIB);
return NULL;
}
BIO *btmp;
LHASH_OF(CONF_VALUE) *ltmp;
if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
- CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_CONF, ERR_R_BUF_LIB);
return NULL;
}
ltmp = CONF_load_bio(conf, btmp, eline);
return NULL;
} else {
CONF ctmp;
+
CONF_set_nconf(&ctmp, conf);
return NCONF_get_section(&ctmp, section);
}
return NCONF_get_string(NULL, group, name);
} else {
CONF ctmp;
+
CONF_set_nconf(&ctmp, conf);
return NCONF_get_string(&ctmp, group, name);
}
int status;
long result = 0;
+ ERR_set_mark();
if (conf == NULL) {
status = NCONF_get_number_e(NULL, group, name, &result);
} else {
CONF ctmp;
+
CONF_set_nconf(&ctmp, conf);
status = NCONF_get_number_e(&ctmp, group, name, &result);
}
-
- if (status == 0) {
- /* This function does not believe in errors... */
- ERR_clear_error();
- }
- return result;
+ ERR_pop_to_mark();
+ return status == 0 ? 0L : result;
}
void CONF_free(LHASH_OF(CONF_VALUE) *conf)
int ret;
if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
- CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_CONF, ERR_R_BUF_LIB);
return 0;
}
ret = CONF_dump_bio(conf, btmp);
int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
{
CONF ctmp;
+
CONF_set_nconf(&ctmp, conf);
return NCONF_dump_bio(&ctmp, out);
}
* the "CONF classic" functions, for consistency.
*/
-CONF *NCONF_new(CONF_METHOD *meth)
+CONF *NCONF_new_ex(OSSL_LIB_CTX *libctx, CONF_METHOD *meth)
{
CONF *ret;
ret = meth->create(meth);
if (ret == NULL) {
- CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ ERR_raise(ERR_LIB_CONF, ERR_R_CONF_LIB);
+ return NULL;
}
+ ret->libctx = libctx;
return ret;
}
+CONF *NCONF_new(CONF_METHOD *meth)
+{
+ return NCONF_new_ex(NULL, meth);
+}
+
void NCONF_free(CONF *conf)
{
if (conf == NULL)
conf->meth->destroy_data(conf);
}
+OSSL_LIB_CTX *NCONF_get0_libctx(const CONF *conf)
+{
+ return conf->libctx;
+}
+
+typedef STACK_OF(OPENSSL_CSTRING) SECTION_NAMES;
+
+IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, SECTION_NAMES);
+
+static void collect_section_name(const CONF_VALUE *v, SECTION_NAMES *names)
+{
+ /* A section is a CONF_VALUE with name == NULL */
+ if (v->name == NULL)
+ sk_OPENSSL_CSTRING_push(names, v->section);
+}
+
+static int section_name_cmp(OPENSSL_CSTRING const *a, OPENSSL_CSTRING const *b)
+{
+ return strcmp(*a, *b);
+}
+
+STACK_OF(OPENSSL_CSTRING) *NCONF_get_section_names(const CONF *cnf)
+{
+ SECTION_NAMES *names;
+
+ if ((names = sk_OPENSSL_CSTRING_new(section_name_cmp)) == NULL)
+ return NULL;
+ lh_CONF_VALUE_doall_SECTION_NAMES(cnf->data, collect_section_name, names);
+ sk_OPENSSL_CSTRING_sort(names);
+ return names;
+}
+
int NCONF_load(CONF *conf, const char *file, long *eline)
{
if (conf == NULL) {
- CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_CONF);
return 0;
}
BIO *btmp;
int ret;
if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
- CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_CONF, ERR_R_BUF_LIB);
return 0;
}
ret = NCONF_load_bio(conf, btmp, eline);
int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
{
if (conf == NULL) {
- CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_CONF);
return 0;
}
STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)
{
if (conf == NULL) {
- CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_CONF);
return NULL;
}
if (section == NULL) {
- CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_SECTION);
return NULL;
}
return s;
if (conf == NULL) {
- CONFerr(CONF_F_NCONF_GET_STRING,
- CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
return NULL;
}
- CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE);
- ERR_add_error_data(4, "group=", group, " name=", name);
+ ERR_raise_data(ERR_LIB_CONF, CONF_R_NO_VALUE,
+ "group=%s name=%s", group, name);
return NULL;
}
+static int default_is_number(const CONF *conf, char c)
+{
+ return ossl_isdigit(c);
+}
+
+static int default_to_int(const CONF *conf, char c)
+{
+ return (int)(c - '0');
+}
+
int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
long *result)
{
char *str;
+ long res;
+ int (*is_number)(const CONF *, char) = &default_is_number;
+ int (*to_int)(const CONF *, char) = &default_to_int;
if (result == NULL) {
- CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER);
+ ERR_raise(ERR_LIB_CONF, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (str == NULL)
return 0;
- for (*result = 0; conf->meth->is_number(conf, *str);) {
- *result = (*result) * 10 + conf->meth->to_int(conf, *str);
- str++;
+ if (conf != NULL) {
+ if (conf->meth->is_number != NULL)
+ is_number = conf->meth->is_number;
+ if (conf->meth->to_int != NULL)
+ to_int = conf->meth->to_int;
+ }
+ for (res = 0; is_number(conf, *str); str++) {
+ const int d = to_int(conf, *str);
+
+ if (res > (LONG_MAX - d) / 10L) {
+ ERR_raise(ERR_LIB_CONF, CONF_R_NUMBER_TOO_LARGE);
+ return 0;
+ }
+ res = res * 10 + d;
}
+ *result = res;
return 1;
}
+long _CONF_get_number(const CONF *conf, const char *section,
+ const char *name)
+{
+ int status;
+ long result = 0;
+
+ ERR_set_mark();
+ status = NCONF_get_number_e(conf, section, name, &result);
+ ERR_pop_to_mark();
+ return status == 0 ? 0L : result;
+}
+
#ifndef OPENSSL_NO_STDIO
int NCONF_dump_fp(const CONF *conf, FILE *out)
{
BIO *btmp;
int ret;
if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
- CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_CONF, ERR_R_BUF_LIB);
return 0;
}
ret = NCONF_dump_bio(conf, btmp);
int NCONF_dump_bio(const CONF *conf, BIO *out)
{
if (conf == NULL) {
- CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF);
+ ERR_raise(ERR_LIB_CONF, CONF_R_NO_CONF);
return 0;
}
return conf->meth->dump(conf, out);
}
+
+/*
+ * These routines call the C malloc/free, to avoid intermixing with
+ * OpenSSL function pointers before the library is initialized.
+ */
+OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void)
+{
+ OPENSSL_INIT_SETTINGS *ret = malloc(sizeof(*ret));
+
+ if (ret == NULL)
+ return NULL;
+
+ memset(ret, 0, sizeof(*ret));
+ ret->flags = DEFAULT_CONF_MFLAGS;
+
+ return ret;
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+/*
+ * If CRYPTO_set_mem_functions is called after this, then
+ * memory allocation and deallocation in this function can
+ * become disjointed. Avoid this by always using standard
+ * strdup & free instead of OPENSSL_strdup & OPENSSL_free.
+ */
+int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
+ const char *filename)
+{
+ char *newfilename = NULL;
+
+ if (filename != NULL) {
+ newfilename = strdup(filename);
+ if (newfilename == NULL)
+ return 0;
+ }
+
+ free(settings->filename);
+ settings->filename = newfilename;
+
+ return 1;
+}
+
+void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
+ unsigned long flags)
+{
+ settings->flags = flags;
+}
+
+/*
+ * If CRYPTO_set_mem_functions is called after this, then
+ * memory allocation and deallocation in this function can
+ * become disjointed. Avoid this by always using standard
+ * strdup & free instead of OPENSSL_strdup & OPENSSL_free.
+ */
+int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
+ const char *appname)
+{
+ char *newappname = NULL;
+
+ if (appname != NULL) {
+ newappname = strdup(appname);
+ if (newappname == NULL)
+ return 0;
+ }
+
+ free(settings->appname);
+ settings->appname = newappname;
+
+ return 1;
+}
+#endif
+
+void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings)
+{
+ free(settings->filename);
+ free(settings->appname);
+ free(settings);
+}