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#include <openssl/crypto.h>
12#include "internal/property.h"
13
14typedef int OSSL_PROPERTY_IDX;
15
16typedef enum {
17    OSSL_PROPERTY_OPER_EQ, OSSL_PROPERTY_OPER_NE, OSSL_PROPERTY_OVERRIDE
18} OSSL_PROPERTY_OPER;
19
20struct ossl_property_definition_st {
21    OSSL_PROPERTY_IDX name_idx;
22    OSSL_PROPERTY_TYPE type;
23    OSSL_PROPERTY_OPER oper;
24    unsigned int optional : 1;
25    union {
26        int64_t             int_val;     /* Signed integer */
27        OSSL_PROPERTY_IDX   str_val;     /* String */
28    } v;
29};
30
31struct ossl_property_list_st {
32    int num_properties;
33    unsigned int has_optional : 1;
34    OSSL_PROPERTY_DEFINITION properties[1];
35};
36
37#define OSSL_PROPERTY_TRUE      1
38#define OSSL_PROPERTY_FALSE     2
39
40/* Property string functions */
41OSSL_PROPERTY_IDX ossl_property_name(OSSL_LIB_CTX *ctx, const char *s,
42                                     int create);
43const char *ossl_property_name_str(OSSL_LIB_CTX *ctx, OSSL_PROPERTY_IDX idx);
44OSSL_PROPERTY_IDX ossl_property_value(OSSL_LIB_CTX *ctx, const char *s,
45                                      int create);
46const char *ossl_property_value_str(OSSL_LIB_CTX *ctx, OSSL_PROPERTY_IDX idx);
47
48/* Property list functions */
49void ossl_property_free(OSSL_PROPERTY_LIST *p);
50int ossl_property_has_optional(const OSSL_PROPERTY_LIST *query);
51
52/* Property definition cache functions */
53OSSL_PROPERTY_LIST *ossl_prop_defn_get(OSSL_LIB_CTX *ctx, const char *prop);
54int ossl_prop_defn_set(OSSL_LIB_CTX *ctx, const char *prop,
55                       OSSL_PROPERTY_LIST **pl);
56