1 /* 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef HEADER_CONF_H 11 # define HEADER_CONF_H 12 13 # include <openssl/bio.h> 14 # include <openssl/lhash.h> 15 # include <openssl/safestack.h> 16 # include <openssl/e_os2.h> 17 # include <openssl/ossl_typ.h> 18 # include <openssl/conferr.h> 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 typedef struct { 25 char *section; 26 char *name; 27 char *value; 28 } CONF_VALUE; 29 30 DEFINE_STACK_OF(CONF_VALUE) 31 DEFINE_LHASH_OF(CONF_VALUE); 32 33 struct conf_st; 34 struct conf_method_st; 35 typedef struct conf_method_st CONF_METHOD; 36 37 struct conf_method_st { 38 const char *name; 39 CONF *(*create) (CONF_METHOD *meth); 40 int (*init) (CONF *conf); 41 int (*destroy) (CONF *conf); 42 int (*destroy_data) (CONF *conf); 43 int (*load_bio) (CONF *conf, BIO *bp, long *eline); 44 int (*dump) (const CONF *conf, BIO *bp); 45 int (*is_number) (const CONF *conf, char c); 46 int (*to_int) (const CONF *conf, char c); 47 int (*load) (CONF *conf, const char *name, long *eline); 48 }; 49 50 /* Module definitions */ 51 52 typedef struct conf_imodule_st CONF_IMODULE; 53 typedef struct conf_module_st CONF_MODULE; 54 55 DEFINE_STACK_OF(CONF_MODULE) 56 DEFINE_STACK_OF(CONF_IMODULE) 57 58 /* DSO module function typedefs */ 59 typedef int conf_init_func (CONF_IMODULE *md, const CONF *cnf); 60 typedef void conf_finish_func (CONF_IMODULE *md); 61 62 # define CONF_MFLAGS_IGNORE_ERRORS 0x1 63 # define CONF_MFLAGS_IGNORE_RETURN_CODES 0x2 64 # define CONF_MFLAGS_SILENT 0x4 65 # define CONF_MFLAGS_NO_DSO 0x8 66 # define CONF_MFLAGS_IGNORE_MISSING_FILE 0x10 67 # define CONF_MFLAGS_DEFAULT_SECTION 0x20 68 69 int CONF_set_default_method(CONF_METHOD *meth); 70 void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash); 71 LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file, 72 long *eline); 73 # ifndef OPENSSL_NO_STDIO 74 LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp, 75 long *eline); 76 # endif 77 LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp, 78 long *eline); 79 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf, 80 const char *section); 81 char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group, 82 const char *name); 83 long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group, 84 const char *name); 85 void CONF_free(LHASH_OF(CONF_VALUE) *conf); 86 #ifndef OPENSSL_NO_STDIO 87 int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out); 88 #endif 89 int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out); 90 91 DEPRECATEDIN_1_1_0(void OPENSSL_config(const char *config_name)) 92 93 #if OPENSSL_API_COMPAT < 0x10100000L 94 # define OPENSSL_no_config() \ 95 OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL) 96 #endif 97 98 /* 99 * New conf code. The semantics are different from the functions above. If 100 * that wasn't the case, the above functions would have been replaced 101 */ 102 103 struct conf_st { 104 CONF_METHOD *meth; 105 void *meth_data; 106 LHASH_OF(CONF_VALUE) *data; 107 }; 108 109 CONF *NCONF_new(CONF_METHOD *meth); 110 CONF_METHOD *NCONF_default(void); 111 CONF_METHOD *NCONF_WIN32(void); 112 void NCONF_free(CONF *conf); 113 void NCONF_free_data(CONF *conf); 114 115 int NCONF_load(CONF *conf, const char *file, long *eline); 116 # ifndef OPENSSL_NO_STDIO 117 int NCONF_load_fp(CONF *conf, FILE *fp, long *eline); 118 # endif 119 int NCONF_load_bio(CONF *conf, BIO *bp, long *eline); 120 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, 121 const char *section); 122 char *NCONF_get_string(const CONF *conf, const char *group, const char *name); 123 int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, 124 long *result); 125 #ifndef OPENSSL_NO_STDIO 126 int NCONF_dump_fp(const CONF *conf, FILE *out); 127 #endif 128 int NCONF_dump_bio(const CONF *conf, BIO *out); 129 130 #define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r) 131 132 /* Module functions */ 133 134 int CONF_modules_load(const CONF *cnf, const char *appname, 135 unsigned long flags); 136 int CONF_modules_load_file(const char *filename, const char *appname, 137 unsigned long flags); 138 void CONF_modules_unload(int all); 139 void CONF_modules_finish(void); 140 #if OPENSSL_API_COMPAT < 0x10100000L 141 # define CONF_modules_free() while(0) continue 142 #endif 143 int CONF_module_add(const char *name, conf_init_func *ifunc, 144 conf_finish_func *ffunc); 145 146 const char *CONF_imodule_get_name(const CONF_IMODULE *md); 147 const char *CONF_imodule_get_value(const CONF_IMODULE *md); 148 void *CONF_imodule_get_usr_data(const CONF_IMODULE *md); 149 void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data); 150 CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md); 151 unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md); 152 void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags); 153 void *CONF_module_get_usr_data(CONF_MODULE *pmod); 154 void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data); 155 156 char *CONF_get1_default_config_file(void); 157 158 int CONF_parse_list(const char *list, int sep, int nospc, 159 int (*list_cb) (const char *elem, int len, void *usr), 160 void *arg); 161 162 void OPENSSL_load_builtin_modules(void); 163 164 165 # ifdef __cplusplus 166 } 167 # endif 168 #endif 169