1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
57 #ifndef OPENSSL_HEADER_CONF_H
58 #define OPENSSL_HEADER_CONF_H
60 #include <openssl/base.h>
62 #include <openssl/stack.h>
63 #include <openssl/lhash.h>
65 #if defined(__cplusplus)
70 // Config files look like:
74 // # This key is in the default section.
80 // Config files are represented by a |CONF|.
82 struct conf_value_st {
89 LHASH_OF(CONF_VALUE) *data;
92 DEFINE_STACK_OF(CONF_VALUE)
95 // NCONF_new returns a fresh, empty |CONF|, or NULL on error. The |method|
96 // argument must be NULL.
97 OPENSSL_EXPORT CONF *NCONF_new(void *method);
99 // NCONF_free frees all the data owned by |conf| and then |conf| itself.
100 OPENSSL_EXPORT void NCONF_free(CONF *conf);
102 // NCONF_load parses the file named |filename| and adds the values found to
103 // |conf|. It returns one on success and zero on error. In the event of an
104 // error, if |out_error_line| is not NULL, |*out_error_line| is set to the
105 // number of the line that contained the error.
106 int NCONF_load(CONF *conf, const char *filename, long *out_error_line);
108 // NCONF_load_bio acts like |NCONF_load| but reads from |bio| rather than from
110 int NCONF_load_bio(CONF *conf, BIO *bio, long *out_error_line);
112 // NCONF_get_section returns a stack of values for a given section in |conf|.
113 // If |section| is NULL, the default section is returned. It returns NULL on
115 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section);
117 // NCONF_get_string returns the value of the key |name|, in section |section|.
118 // The |section| argument may be NULL to indicate the default section. It
119 // returns the value or NULL on error.
120 const char *NCONF_get_string(const CONF *conf, const char *section,
126 // CONF_parse_list takes a list separated by 'sep' and calls |list_cb| giving
127 // the start and length of each member, optionally stripping leading and
128 // trailing whitespace. This can be used to parse comma separated lists for
129 // example. If |list_cb| returns <= 0, then the iteration is halted and that
130 // value is returned immediately. Otherwise it returns one. Note that |list_cb|
131 // may be called on an empty member.
132 int CONF_parse_list(const char *list, char sep, int remove_whitespace,
133 int (*list_cb)(const char *elem, int len, void *usr),
137 // Deprecated functions
139 // These defines do nothing but are provided to make old code easier to
141 #define CONF_MFLAGS_DEFAULT_SECTION 0
142 #define CONF_MFLAGS_IGNORE_MISSING_FILE 0
144 // CONF_modules_load_file returns one. BoringSSL is defined to have no config
145 // file options, thus loading from |filename| always succeeds by doing nothing.
146 OPENSSL_EXPORT int CONF_modules_load_file(const char *filename,
148 unsigned long flags);
150 // CONF_modules_free does nothing.
151 OPENSSL_EXPORT void CONF_modules_free(void);
153 // OPENSSL_config does nothing.
154 OPENSSL_EXPORT void OPENSSL_config(const char *config_name);
156 // OPENSSL_no_config does nothing.
157 OPENSSL_EXPORT void OPENSSL_no_config(void);
160 #if defined(__cplusplus)
167 BORINGSSL_MAKE_DELETER(CONF, NCONF_free)
175 #define CONF_R_LIST_CANNOT_BE_NULL 100
176 #define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 101
177 #define CONF_R_MISSING_EQUAL_SIGN 102
178 #define CONF_R_NO_CLOSE_BRACE 103
179 #define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 104
180 #define CONF_R_VARIABLE_HAS_NO_VALUE 105
181 #define CONF_R_VARIABLE_EXPANSION_TOO_LONG 106
183 #endif // OPENSSL_HEADER_THREAD_H