1 /* crypto/conf/conf.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #ifndef HEADER_CONF_H 60 # define HEADER_CONF_H 61 62 # include <openssl/bio.h> 63 # include <openssl/lhash.h> 64 # include <openssl/stack.h> 65 # include <openssl/safestack.h> 66 # include <openssl/e_os2.h> 67 68 # include <openssl/ossl_typ.h> 69 70 #ifdef __cplusplus 71 extern "C" { 72 #endif 73 74 typedef struct { 75 char *section; 76 char *name; 77 char *value; 78 } CONF_VALUE; 79 80 DECLARE_STACK_OF(CONF_VALUE) 81 DECLARE_STACK_OF(CONF_MODULE) 82 DECLARE_STACK_OF(CONF_IMODULE) 83 84 struct conf_st; 85 struct conf_method_st; 86 typedef struct conf_method_st CONF_METHOD; 87 88 struct conf_method_st { 89 const char *name; 90 CONF *(*create) (CONF_METHOD *meth); 91 int (*init) (CONF *conf); 92 int (*destroy) (CONF *conf); 93 int (*destroy_data) (CONF *conf); 94 int (*load_bio) (CONF *conf, BIO *bp, long *eline); 95 int (*dump) (const CONF *conf, BIO *bp); 96 int (*is_number) (const CONF *conf, char c); 97 int (*to_int) (const CONF *conf, char c); 98 int (*load) (CONF *conf, const char *name, long *eline); 99 }; 100 101 /* Module definitions */ 102 103 typedef struct conf_imodule_st CONF_IMODULE; 104 typedef struct conf_module_st CONF_MODULE; 105 106 /* DSO module function typedefs */ 107 typedef int conf_init_func (CONF_IMODULE *md, const CONF *cnf); 108 typedef void conf_finish_func (CONF_IMODULE *md); 109 110 # define CONF_MFLAGS_IGNORE_ERRORS 0x1 111 # define CONF_MFLAGS_IGNORE_RETURN_CODES 0x2 112 # define CONF_MFLAGS_SILENT 0x4 113 # define CONF_MFLAGS_NO_DSO 0x8 114 # define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10 115 # define CONF_MFLAGS_DEFAULT_SECTION 0x20 116 117 int CONF_set_default_method(CONF_METHOD *meth); 118 void CONF_set_nconf(CONF *conf, LHASH *hash); 119 LHASH *CONF_load(LHASH *conf, const char *file, long *eline); 120 # ifndef OPENSSL_NO_FP_API 121 LHASH *CONF_load_fp(LHASH *conf, FILE *fp, long *eline); 122 # endif 123 LHASH *CONF_load_bio(LHASH *conf, BIO *bp, long *eline); 124 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf, const char *section); 125 char *CONF_get_string(LHASH *conf, const char *group, const char *name); 126 long CONF_get_number(LHASH *conf, const char *group, const char *name); 127 void CONF_free(LHASH *conf); 128 int CONF_dump_fp(LHASH *conf, FILE *out); 129 int CONF_dump_bio(LHASH *conf, BIO *out); 130 131 void OPENSSL_config(const char *config_name); 132 void OPENSSL_no_config(void); 133 134 /* 135 * New conf code. The semantics are different from the functions above. If 136 * that wasn't the case, the above functions would have been replaced 137 */ 138 139 struct conf_st { 140 CONF_METHOD *meth; 141 void *meth_data; 142 LHASH *data; 143 }; 144 145 CONF *NCONF_new(CONF_METHOD *meth); 146 CONF_METHOD *NCONF_default(void); 147 CONF_METHOD *NCONF_WIN32(void); 148 # if 0 /* Just to give you an idea of what I have in 149 * mind */ 150 CONF_METHOD *NCONF_XML(void); 151 # endif 152 void NCONF_free(CONF *conf); 153 void NCONF_free_data(CONF *conf); 154 155 int NCONF_load(CONF *conf, const char *file, long *eline); 156 # ifndef OPENSSL_NO_FP_API 157 int NCONF_load_fp(CONF *conf, FILE *fp, long *eline); 158 # endif 159 int NCONF_load_bio(CONF *conf, BIO *bp, long *eline); 160 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, 161 const char *section); 162 char *NCONF_get_string(const CONF *conf, const char *group, const char *name); 163 int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, 164 long *result); 165 int NCONF_dump_fp(const CONF *conf, FILE *out); 166 int NCONF_dump_bio(const CONF *conf, BIO *out); 167 168 # if 0 /* The following function has no error 169 * checking, and should therefore be avoided */ 170 long NCONF_get_number(CONF *conf, char *group, char *name); 171 # else 172 # define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r) 173 # endif 174 175 /* Module functions */ 176 177 int CONF_modules_load(const CONF *cnf, const char *appname, 178 unsigned long flags); 179 int CONF_modules_load_file(const char *filename, const char *appname, 180 unsigned long flags); 181 void CONF_modules_unload(int all); 182 void CONF_modules_finish(void); 183 void CONF_modules_free(void); 184 int CONF_module_add(const char *name, conf_init_func *ifunc, 185 conf_finish_func *ffunc); 186 187 const char *CONF_imodule_get_name(const CONF_IMODULE *md); 188 const char *CONF_imodule_get_value(const CONF_IMODULE *md); 189 void *CONF_imodule_get_usr_data(const CONF_IMODULE *md); 190 void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data); 191 CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md); 192 unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md); 193 void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags); 194 void *CONF_module_get_usr_data(CONF_MODULE *pmod); 195 void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data); 196 197 char *CONF_get1_default_config_file(void); 198 199 int CONF_parse_list(const char *list, int sep, int nospc, 200 int (*list_cb) (const char *elem, int len, void *usr), 201 void *arg); 202 203 void OPENSSL_load_builtin_modules(void); 204 205 /* BEGIN ERROR CODES */ 206 /* 207 * The following lines are auto generated by the script mkerr.pl. Any changes 208 * made after this point may be overwritten when the script is next run. 209 */ 210 void ERR_load_CONF_strings(void); 211 212 /* Error codes for the CONF functions. */ 213 214 /* Function codes. */ 215 # define CONF_F_CONF_DUMP_FP 104 216 # define CONF_F_CONF_LOAD 100 217 # define CONF_F_CONF_LOAD_BIO 102 218 # define CONF_F_CONF_LOAD_FP 103 219 # define CONF_F_CONF_MODULES_LOAD 116 220 # define CONF_F_DEF_LOAD 120 221 # define CONF_F_DEF_LOAD_BIO 121 222 # define CONF_F_MODULE_INIT 115 223 # define CONF_F_MODULE_LOAD_DSO 117 224 # define CONF_F_MODULE_RUN 118 225 # define CONF_F_NCONF_DUMP_BIO 105 226 # define CONF_F_NCONF_DUMP_FP 106 227 # define CONF_F_NCONF_GET_NUMBER 107 228 # define CONF_F_NCONF_GET_NUMBER_E 112 229 # define CONF_F_NCONF_GET_SECTION 108 230 # define CONF_F_NCONF_GET_STRING 109 231 # define CONF_F_NCONF_LOAD 113 232 # define CONF_F_NCONF_LOAD_BIO 110 233 # define CONF_F_NCONF_LOAD_FP 114 234 # define CONF_F_NCONF_NEW 111 235 # define CONF_F_STR_COPY 101 236 237 /* Reason codes. */ 238 # define CONF_R_ERROR_LOADING_DSO 110 239 # define CONF_R_MISSING_CLOSE_SQUARE_BRACKET 100 240 # define CONF_R_MISSING_EQUAL_SIGN 101 241 # define CONF_R_MISSING_FINISH_FUNCTION 111 242 # define CONF_R_MISSING_INIT_FUNCTION 112 243 # define CONF_R_MODULE_INITIALIZATION_ERROR 109 244 # define CONF_R_NO_CLOSE_BRACE 102 245 # define CONF_R_NO_CONF 105 246 # define CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE 106 247 # define CONF_R_NO_SECTION 107 248 # define CONF_R_NO_SUCH_FILE 114 249 # define CONF_R_NO_VALUE 108 250 # define CONF_R_UNABLE_TO_CREATE_NEW_SECTION 103 251 # define CONF_R_UNKNOWN_MODULE_NAME 113 252 # define CONF_R_VARIABLE_HAS_NO_VALUE 104 253 254 #ifdef __cplusplus 255 } 256 #endif 257 #endif 258