crypto/openssl/include/internal/property.h

   1 /*
   2  * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2019, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #ifndef OSSL_INTERNAL_PROPERTY_H
  12 # define OSSL_INTERNAL_PROPERTY_H
  13 # pragma once
  14
  15 # include "internal/cryptlib.h"
  16
  17 typedef struct ossl_method_store_st OSSL_METHOD_STORE;
  18 typedef struct ossl_property_list_st OSSL_PROPERTY_LIST;
  19
  20 typedef enum {
  21     OSSL_PROPERTY_TYPE_STRING, OSSL_PROPERTY_TYPE_NUMBER,
  22     OSSL_PROPERTY_TYPE_VALUE_UNDEFINED
  23 } OSSL_PROPERTY_TYPE;
  24 typedef struct ossl_property_definition_st OSSL_PROPERTY_DEFINITION;
  25
  26 /* Initialisation */
  27 int ossl_property_parse_init(OSSL_LIB_CTX *ctx);
  28
  29 /* Property definition parser */
  30 OSSL_PROPERTY_LIST *ossl_parse_property(OSSL_LIB_CTX *ctx, const char *defn);
  31 /* Property query parser */
  32 OSSL_PROPERTY_LIST *ossl_parse_query(OSSL_LIB_CTX *ctx, const char *s,
  33                                      int create_values);
  34 /* Property checker of query vs definition */
  35 int ossl_property_match_count(const OSSL_PROPERTY_LIST *query,
  36                               const OSSL_PROPERTY_LIST *defn);
  37 int ossl_property_is_enabled(OSSL_LIB_CTX *ctx,  const char *property_name,
  38                              const OSSL_PROPERTY_LIST *prop_list);
  39 /* Free a parsed property list */
  40 void ossl_property_free(OSSL_PROPERTY_LIST *p);
  41
  42 /* Get a property from a property list */
  43 const OSSL_PROPERTY_DEFINITION *
  44 ossl_property_find_property(const OSSL_PROPERTY_LIST *list,
  45                             OSSL_LIB_CTX *libctx, const char *name);
  46 OSSL_PROPERTY_TYPE ossl_property_get_type(const OSSL_PROPERTY_DEFINITION *prop);
  47 const char *ossl_property_get_string_value(OSSL_LIB_CTX *libctx,
  48                                            const OSSL_PROPERTY_DEFINITION *prop);
  49 int64_t ossl_property_get_number_value(const OSSL_PROPERTY_DEFINITION *prop);
  50
  51
  52 /* Implementation store functions */
  53 OSSL_METHOD_STORE *ossl_method_store_new(OSSL_LIB_CTX *ctx);
  54 void ossl_method_store_free(OSSL_METHOD_STORE *store);
  55
  56 int ossl_method_lock_store(OSSL_METHOD_STORE *store);
  57 int ossl_method_unlock_store(OSSL_METHOD_STORE *store);
  58
  59 int ossl_method_store_add(OSSL_METHOD_STORE *store, const OSSL_PROVIDER *prov,
  60                           int nid, const char *properties, void *method,
  61                           int (*method_up_ref)(void *),
  62                           void (*method_destruct)(void *));
  63 int ossl_method_store_remove(OSSL_METHOD_STORE *store, int nid,
  64                              const void *method);
  65 void ossl_method_store_do_all(OSSL_METHOD_STORE *store,
  66                               void (*fn)(int id, void *method, void *fnarg),
  67                               void *fnarg);
  68 int ossl_method_store_fetch(OSSL_METHOD_STORE *store,
  69                             int nid, const char *prop_query,
  70                             const OSSL_PROVIDER **prov, void **method);
  71 int ossl_method_store_remove_all_provided(OSSL_METHOD_STORE *store,
  72                                           const OSSL_PROVIDER *prov);
  73
  74 /* Get the global properties associate with the specified library context */
  75 OSSL_PROPERTY_LIST **ossl_ctx_global_properties(OSSL_LIB_CTX *ctx,
  76                                                 int loadconfig);
  77
  78 /* property query cache functions */
  79 int ossl_method_store_cache_get(OSSL_METHOD_STORE *store, OSSL_PROVIDER *prov,
  80                                 int nid, const char *prop_query, void **result);
  81 int ossl_method_store_cache_set(OSSL_METHOD_STORE *store, OSSL_PROVIDER *prov,
  82                                 int nid, const char *prop_query, void *result,
  83                                 int (*method_up_ref)(void *),
  84                                 void (*method_destruct)(void *));
  85
  86 __owur int ossl_method_store_cache_flush_all(OSSL_METHOD_STORE *store);
  87
  88 /* Merge two property queries together */
  89 OSSL_PROPERTY_LIST *ossl_property_merge(const OSSL_PROPERTY_LIST *a,
  90                                         const OSSL_PROPERTY_LIST *b);
  91
  92 size_t ossl_property_list_to_string(OSSL_LIB_CTX *ctx,
  93                                     const OSSL_PROPERTY_LIST *list, char *buf,
  94                                     size_t bufsize);
  95
  96 int ossl_global_properties_no_mirrored(OSSL_LIB_CTX *libctx);
  97 void ossl_global_properties_stop_mirroring(OSSL_LIB_CTX *libctx);
  98
  99 #endif