--- /dev/null
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#ifndef OPENSSL_HEADER_CONF_H
+#define OPENSSL_HEADER_CONF_H
+
+#include <openssl/base.h>
+
+#include <openssl/stack.h>
+#include <openssl/lhash.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+// Config files look like:
+//
+// # Comment
+//
+// # This key is in the default section.
+// key=value
+//
+// [section_name]
+// key2=value2
+//
+// Config files are represented by a |CONF|.
+
+struct conf_value_st {
+ char *section;
+ char *name;
+ char *value;
+};
+
+struct conf_st {
+ LHASH_OF(CONF_VALUE) *data;
+};
+
+DEFINE_STACK_OF(CONF_VALUE)
+
+
+// NCONF_new returns a fresh, empty |CONF|, or NULL on error. The |method|
+// argument must be NULL.
+OPENSSL_EXPORT CONF *NCONF_new(void *method);
+
+// NCONF_free frees all the data owned by |conf| and then |conf| itself.
+OPENSSL_EXPORT void NCONF_free(CONF *conf);
+
+// NCONF_load parses the file named |filename| and adds the values found to
+// |conf|. It returns one on success and zero on error. In the event of an
+// error, if |out_error_line| is not NULL, |*out_error_line| is set to the
+// number of the line that contained the error.
+int NCONF_load(CONF *conf, const char *filename, long *out_error_line);
+
+// NCONF_load_bio acts like |NCONF_load| but reads from |bio| rather than from
+// a named file.
+int NCONF_load_bio(CONF *conf, BIO *bio, long *out_error_line);
+
+// NCONF_get_section returns a stack of values for a given section in |conf|.
+// If |section| is NULL, the default section is returned. It returns NULL on
+// error.
+STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section);
+
+// NCONF_get_string returns the value of the key |name|, in section |section|.
+// The |section| argument may be NULL to indicate the default section. It
+// returns the value or NULL on error.
+const char *NCONF_get_string(const CONF *conf, const char *section,
+ const char *name);
+
+
+// Utility functions
+
+// CONF_parse_list takes a list separated by 'sep' and calls |list_cb| giving
+// the start and length of each member, optionally stripping leading and
+// trailing whitespace. This can be used to parse comma separated lists for
+// example. If |list_cb| returns <= 0, then the iteration is halted and that
+// value is returned immediately. Otherwise it returns one. Note that |list_cb|
+// may be called on an empty member.
+int CONF_parse_list(const char *list, char sep, int remove_whitespace,
+ int (*list_cb)(const char *elem, int len, void *usr),
+ void *arg);
+
+
+// Deprecated functions
+
+// These defines do nothing but are provided to make old code easier to
+// compile.
+#define CONF_MFLAGS_DEFAULT_SECTION 0
+#define CONF_MFLAGS_IGNORE_MISSING_FILE 0
+
+// CONF_modules_load_file returns one. BoringSSL is defined to have no config
+// file options, thus loading from |filename| always succeeds by doing nothing.
+OPENSSL_EXPORT int CONF_modules_load_file(const char *filename,
+ const char *appname,
+ unsigned long flags);
+
+// CONF_modules_free does nothing.
+OPENSSL_EXPORT void CONF_modules_free(void);
+
+// OPENSSL_config does nothing.
+OPENSSL_EXPORT void OPENSSL_config(const char *config_name);
+
+// OPENSSL_no_config does nothing.
+OPENSSL_EXPORT void OPENSSL_no_config(void);
+
+
+#if defined(__cplusplus)
+} // extern C
+
+extern "C++" {
+
+namespace bssl {
+
+BORINGSSL_MAKE_DELETER(CONF, NCONF_free)
+
+} // namespace bssl
+
+} // extern C++
+
+#endif
+
+#define CONF_R_LIST_CANNOT_BE_NULL 100
+#define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 101
+#define CONF_R_MISSING_EQUAL_SIGN 102
+#define CONF_R_NO_CLOSE_BRACE 103
+#define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 104
+#define CONF_R_VARIABLE_HAS_NO_VALUE 105
+#define CONF_R_VARIABLE_EXPANSION_TOO_LONG 106
+
+#endif // OPENSSL_HEADER_THREAD_H
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