-/* 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 2000-2019 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
*/
+#include "e_os.h"
#include <stdio.h>
+#include <string.h>
+#include "internal/conf.h"
+#include "internal/ctype.h"
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/conf.h>
#include <openssl/conf_api.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 */
-static CONF_METHOD *default_CONF_method=NULL;
+void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
+{
+ if (default_CONF_method == NULL)
+ default_CONF_method = NCONF_default();
-/* The following section contains the "CONF classic" functions,
- rewritten in terms of the new CONF interface. */
+ default_CONF_method->init(conf);
+ conf->data = hash;
+}
+
+/*
+ * The following section contains the "CONF classic" functions, rewritten in
+ * terms of the new CONF interface.
+ */
int CONF_set_default_method(CONF_METHOD *meth)
- {
- default_CONF_method = meth;
- return 1;
- }
+{
+ default_CONF_method = meth;
+ return 1;
+}
-LHASH *CONF_load(LHASH *conf, const char *file, long *eline)
- {
- LHASH *ltmp;
- BIO *in=NULL;
+LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
+ long *eline)
+{
+ LHASH_OF(CONF_VALUE) *ltmp;
+ BIO *in = NULL;
#ifdef OPENSSL_SYS_VMS
- in=BIO_new_file(file, "r");
+ in = BIO_new_file(file, "r");
#else
- in=BIO_new_file(file, "rb");
+ in = BIO_new_file(file, "rb");
#endif
- if (in == NULL)
- {
- CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
- return NULL;
- }
-
- ltmp = CONF_load_bio(conf, in, eline);
- BIO_free(in);
-
- return ltmp;
- }
-
-#ifndef OPENSSL_NO_FP_API
-LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline)
- {
- BIO *btmp;
- LHASH *ltmp;
- if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
- CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
- return NULL;
- }
- ltmp = CONF_load_bio(conf, btmp, eline);
- BIO_free(btmp);
- return ltmp;
- }
+ if (in == NULL) {
+ CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
+ return NULL;
+ }
+
+ ltmp = CONF_load_bio(conf, in, eline);
+ BIO_free(in);
+
+ return ltmp;
+}
+
+#ifndef OPENSSL_NO_STDIO
+LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
+ long *eline)
+{
+ 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);
+ return NULL;
+ }
+ ltmp = CONF_load_bio(conf, btmp, eline);
+ BIO_free(btmp);
+ return ltmp;
+}
#endif
-LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline)
- {
- CONF ctmp;
- int ret;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- ret = NCONF_load_bio(&ctmp, bp, eline);
- if (ret)
- return ctmp.data;
- return NULL;
- }
-
-STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,char *section)
- {
- if (conf == NULL)
- {
- return NULL;
- }
- else
- {
- CONF ctmp;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- return NCONF_get_section(&ctmp, section);
- }
- }
-
-char *CONF_get_string(LHASH *conf,char *group,char *name)
- {
- if (conf == NULL)
- {
- return NCONF_get_string(NULL, group, name);
- }
- else
- {
- CONF ctmp;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- return NCONF_get_string(&ctmp, group, name);
- }
- }
-
-long CONF_get_number(LHASH *conf,char *group,char *name)
- {
- int status;
- long result = 0;
-
- if (conf == NULL)
- {
- status = NCONF_get_number_e(NULL, group, name, &result);
- }
- else
- {
- CONF ctmp;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- status = NCONF_get_number_e(&ctmp, group, name, &result);
- }
-
- if (status == 0)
- {
- /* This function does not believe in errors... */
- ERR_get_error();
- }
- return result;
- }
-
-void CONF_free(LHASH *conf)
- {
- CONF ctmp;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- NCONF_free_data(&ctmp);
- }
-
-#ifndef OPENSSL_NO_FP_API
-int CONF_dump_fp(LHASH *conf, FILE *out)
- {
- BIO *btmp;
- int ret;
-
- if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
- CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
- return 0;
- }
- ret = CONF_dump_bio(conf, btmp);
- BIO_free(btmp);
- return ret;
- }
+LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
+ long *eline)
+{
+ CONF ctmp;
+ int ret;
+
+ CONF_set_nconf(&ctmp, conf);
+
+ ret = NCONF_load_bio(&ctmp, bp, eline);
+ if (ret)
+ return ctmp.data;
+ return NULL;
+}
+
+STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
+ const char *section)
+{
+ if (conf == NULL) {
+ return NULL;
+ } else {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ return NCONF_get_section(&ctmp, section);
+ }
+}
+
+char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
+ const char *name)
+{
+ if (conf == NULL) {
+ return NCONF_get_string(NULL, group, name);
+ } else {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ return NCONF_get_string(&ctmp, group, name);
+ }
+}
+
+long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
+ const char *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);
+ }
+ ERR_pop_to_mark();
+ return status == 0 ? 0L : result;
+}
+
+void CONF_free(LHASH_OF(CONF_VALUE) *conf)
+{
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ NCONF_free_data(&ctmp);
+}
+
+#ifndef OPENSSL_NO_STDIO
+int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
+{
+ BIO *btmp;
+ int ret;
+
+ if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
+ CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = CONF_dump_bio(conf, btmp);
+ BIO_free(btmp);
+ return ret;
+}
#endif
-int CONF_dump_bio(LHASH *conf, BIO *out)
- {
- CONF ctmp;
-
- if (default_CONF_method == NULL)
- default_CONF_method = NCONF_default();
-
- default_CONF_method->init(&ctmp);
- ctmp.data = conf;
- return NCONF_dump_bio(&ctmp, out);
- }
-
-/* The following section contains the "New CONF" functions. They are
- completely centralised around a new CONF structure that may contain
- basically anything, but at least a method pointer and a table of data.
- These functions are also written in terms of the bridge functions used
- by the "CONF classic" functions, for consistency. */
+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 following section contains the "New CONF" functions. They are
+ * completely centralised around a new CONF structure that may contain
+ * basically anything, but at least a method pointer and a table of data.
+ * These functions are also written in terms of the bridge functions used by
+ * the "CONF classic" functions, for consistency.
+ */
CONF *NCONF_new(CONF_METHOD *meth)
- {
- CONF *ret;
+{
+ CONF *ret;
- if (meth == NULL)
- meth = NCONF_default();
+ if (meth == NULL)
+ meth = NCONF_default();
- ret = meth->create(meth);
- if (ret == NULL)
- {
- CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
+ ret = meth->create(meth);
+ if (ret == NULL) {
+ CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
- return ret;
- }
+ return ret;
+}
void NCONF_free(CONF *conf)
- {
- if (conf == NULL)
- return;
- conf->meth->destroy(conf);
- }
+{
+ if (conf == NULL)
+ return;
+ conf->meth->destroy(conf);
+}
void NCONF_free_data(CONF *conf)
- {
- if (conf == NULL)
- return;
- conf->meth->destroy_data(conf);
- }
+{
+ if (conf == NULL)
+ return;
+ conf->meth->destroy_data(conf);
+}
int NCONF_load(CONF *conf, const char *file, long *eline)
- {
- if (conf == NULL)
- {
- CONFerr(CONF_F_NCONF_LOAD,CONF_R_NO_CONF);
- return 0;
- }
-
- return conf->meth->load(conf, file, eline);
- }
-
-#ifndef OPENSSL_NO_FP_API
-int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
- {
- BIO *btmp;
- int ret;
- if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
- {
- CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
- return 0;
- }
- ret = NCONF_load_bio(conf, btmp, eline);
- BIO_free(btmp);
- return ret;
- }
+{
+ if (conf == NULL) {
+ CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
+ return 0;
+ }
+
+ return conf->meth->load(conf, file, eline);
+}
+
+#ifndef OPENSSL_NO_STDIO
+int NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
+{
+ BIO *btmp;
+ int ret;
+ if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
+ CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = NCONF_load_bio(conf, btmp, eline);
+ BIO_free(btmp);
+ return ret;
+}
#endif
-int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
- {
- if (conf == NULL)
- {
- CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
- return 0;
- }
-
- return conf->meth->load_bio(conf, bp, eline);
- }
-
-STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section)
- {
- if (conf == NULL)
- {
- CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
- return NULL;
- }
-
- if (section == NULL)
- {
- CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
- return NULL;
- }
-
- return _CONF_get_section_values(conf, section);
- }
-
-char *NCONF_get_string(CONF *conf,char *group,char *name)
- {
- char *s = _CONF_get_string(conf, group, name);
-
- /* Since we may get a value from an environment variable even
- if conf is NULL, let's check the value first */
- if (s) return s;
-
- if (conf == NULL)
- {
- CONFerr(CONF_F_NCONF_GET_STRING,
- CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
- return NULL;
- }
- CONFerr(CONF_F_NCONF_GET_STRING,
- CONF_R_NO_VALUE);
- return NULL;
- }
-
-int NCONF_get_number_e(CONF *conf,char *group,char *name,long *result)
- {
- char *str;
-
- if (result == NULL)
- {
- CONFerr(CONF_F_NCONF_GET_NUMBER_E,ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
-
- str = NCONF_get_string(conf,group,name);
-
- if (str == NULL)
- return 0;
-
- for (;conf->meth->is_number(conf, *str);)
- {
- *result = (*result)*10 + conf->meth->to_int(conf, *str);
- str++;
- }
-
- return 1;
- }
-
-#ifndef OPENSSL_NO_FP_API
-int NCONF_dump_fp(CONF *conf, FILE *out)
- {
- BIO *btmp;
- int ret;
- if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
- CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
- return 0;
- }
- ret = NCONF_dump_bio(conf, btmp);
- BIO_free(btmp);
- return ret;
- }
+int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
+{
+ if (conf == NULL) {
+ CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
+ return 0;
+ }
+
+ return conf->meth->load_bio(conf, bp, eline);
+}
+
+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);
+ return NULL;
+ }
+
+ if (section == NULL) {
+ CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
+ return NULL;
+ }
+
+ return _CONF_get_section_values(conf, section);
+}
+
+char *NCONF_get_string(const CONF *conf, const char *group, const char *name)
+{
+ char *s = _CONF_get_string(conf, group, name);
+
+ /*
+ * Since we may get a value from an environment variable even if conf is
+ * NULL, let's check the value first
+ */
+ if (s)
+ return s;
+
+ if (conf == NULL) {
+ CONFerr(CONF_F_NCONF_GET_STRING,
+ 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);
+ 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);
+ return 0;
+ }
+
+ str = NCONF_get_string(conf, group, name);
+
+ if (str == NULL)
+ return 0;
+
+ 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) {
+ CONFerr(CONF_F_NCONF_GET_NUMBER_E, CONF_R_NUMBER_TOO_LARGE);
+ return 0;
+ }
+ res = res * 10 + d;
+ }
+
+ *result = res;
+ return 1;
+}
+
+#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);
+ return 0;
+ }
+ ret = NCONF_dump_bio(conf, btmp);
+ BIO_free(btmp);
+ return ret;
+}
#endif
-int NCONF_dump_bio(CONF *conf, BIO *out)
- {
- if (conf == NULL)
- {
- CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
- return 0;
- }
-
- return conf->meth->dump(conf, out);
- }
-
-/* This function should be avoided */
-#undef NCONF_get_number
-long NCONF_get_number(CONF *conf,char *group,char *name)
- {
- int status;
- long ret=0;
-
- status = NCONF_get_number_e(conf, group, name, &ret);
- if (status == 0)
- {
- /* This function does not believe in errors... */
- ERR_get_error();
- }
- return ret;
- }
+int NCONF_dump_bio(const CONF *conf, BIO *out)
+{
+ if (conf == NULL) {
+ CONFerr(CONF_F_NCONF_DUMP_BIO, 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)
+ memset(ret, 0, sizeof(*ret));
+ ret->flags = DEFAULT_CONF_MFLAGS;
+
+ return ret;
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+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;
+}
+
+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);
+}
projects / openssl.git / blobdiff