xref: /freebsd/crypto/openssl/include/internal/property.h (revision f25b8c9fb4f58cf61adb47d7570abe7caa6d385d)
1 /*
2  * Copyright 2019-2021 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,
22     OSSL_PROPERTY_TYPE_NUMBER,
23     OSSL_PROPERTY_TYPE_VALUE_UNDEFINED
24 } OSSL_PROPERTY_TYPE;
25 typedef struct ossl_property_definition_st OSSL_PROPERTY_DEFINITION;
26 
27 /* Initialisation */
28 int ossl_property_parse_init(OSSL_LIB_CTX *ctx);
29 
30 /* Property definition parser */
31 OSSL_PROPERTY_LIST *ossl_parse_property(OSSL_LIB_CTX *ctx, const char *defn);
32 /* Property query parser */
33 OSSL_PROPERTY_LIST *ossl_parse_query(OSSL_LIB_CTX *ctx, const char *s,
34     int create_values);
35 /* Property checker of query vs definition */
36 int ossl_property_match_count(const OSSL_PROPERTY_LIST *query,
37     const OSSL_PROPERTY_LIST *defn);
38 int ossl_property_is_enabled(OSSL_LIB_CTX *ctx, const char *property_name,
39     const OSSL_PROPERTY_LIST *prop_list);
40 /* Free a parsed property list */
41 void ossl_property_free(OSSL_PROPERTY_LIST *p);
42 
43 /* Get a property from a property list */
44 const OSSL_PROPERTY_DEFINITION *
45 ossl_property_find_property(const OSSL_PROPERTY_LIST *list,
46     OSSL_LIB_CTX *libctx, const char *name);
47 OSSL_PROPERTY_TYPE ossl_property_get_type(const OSSL_PROPERTY_DEFINITION *prop);
48 const char *ossl_property_get_string_value(OSSL_LIB_CTX *libctx,
49     const OSSL_PROPERTY_DEFINITION *prop);
50 int64_t ossl_property_get_number_value(const OSSL_PROPERTY_DEFINITION *prop);
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
100