1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2 * All rights reserved. 3 * 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. 7 * 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). 14 * 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. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 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)" 39 * 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 50 * SUCH DAMAGE. 51 * 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.] */ 56 57 #ifndef OPENSSL_HEADER_CONF_H 58 #define OPENSSL_HEADER_CONF_H 59 60 #include <openssl/base.h> 61 62 #include <openssl/stack.h> 63 #include <openssl/lhash.h> 64 65 #if defined(__cplusplus) 66 extern "C" { 67 #endif 68 69 70 /* Config files look like: 71 * 72 * # Comment 73 * 74 * # This key is in the default section. 75 * key=value 76 * 77 * [section_name] 78 * key2=value2 79 * 80 * Config files are represented by a |CONF|. */ 81 82 struct conf_value_st { 83 char *section; 84 char *name; 85 char *value; 86 }; 87 88 struct conf_st { 89 LHASH_OF(CONF_VALUE) *data; 90 }; 91 92 DEFINE_STACK_OF(CONF_VALUE) 93 94 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); 98 99 /* NCONF_free frees all the data owned by |conf| and then |conf| itself. */ 100 OPENSSL_EXPORT void NCONF_free(CONF *conf); 101 102 /* 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); 107 108 /* NCONF_load_bio acts like |NCONF_load| but reads from |bio| rather than from 109 * a named file. */ 110 int NCONF_load_bio(CONF *conf, BIO *bio, long *out_error_line); 111 112 /* 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 114 * error. */ 115 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section); 116 117 /* 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, 121 const char *name); 122 123 124 /* Utility functions */ 125 126 /* 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), 134 void *arg); 135 136 137 /* Deprecated functions */ 138 139 /* These defines do nothing but are provided to make old code easier to 140 * compile. */ 141 #define CONF_MFLAGS_DEFAULT_SECTION 0 142 #define CONF_MFLAGS_IGNORE_MISSING_FILE 0 143 144 typedef struct conf_must_be_null_st CONF_MUST_BE_NULL; 145 146 /* CONF_modules_load_file returns one. |filename| was originally a string, with 147 * NULL indicating the default. BoringSSL does not support configuration files, 148 * so this stub emulates the "default" no-op file but intentionally breaks 149 * compilation of consumers actively attempting to use this subsystem. */ 150 OPENSSL_EXPORT int CONF_modules_load_file(CONF_MUST_BE_NULL *filename, 151 const char *appname, 152 unsigned long flags); 153 154 /* CONF_modules_free does nothing. */ 155 OPENSSL_EXPORT void CONF_modules_free(void); 156 157 /* OPENSSL_config does nothing. */ 158 OPENSSL_EXPORT void OPENSSL_config(CONF_MUST_BE_NULL *config_name); 159 160 /* OPENSSL_no_config does nothing. */ 161 OPENSSL_EXPORT void OPENSSL_no_config(void); 162 163 164 #if defined(__cplusplus) 165 } /* extern C */ 166 167 extern "C++" { 168 169 namespace bssl { 170 171 BORINGSSL_MAKE_DELETER(CONF, NCONF_free) 172 173 } // namespace bssl 174 175 } /* extern C++ */ 176 177 #endif 178 179 #define CONF_R_LIST_CANNOT_BE_NULL 100 180 #define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 101 181 #define CONF_R_MISSING_EQUAL_SIGN 102 182 #define CONF_R_NO_CLOSE_BRACE 103 183 #define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 104 184 #define CONF_R_VARIABLE_HAS_NO_VALUE 105 185 #define CONF_R_VARIABLE_EXPANSION_TOO_LONG 106 186 187 #endif /* OPENSSL_HEADER_THREAD_H */ 188