1 /*
2 * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 #include "internal/propertyerr.h"
11 #include "internal/property.h"
12 #include "property_local.h"
13
property_idx_cmp(const void * keyp,const void * compare)14 static int property_idx_cmp(const void *keyp, const void *compare)
15 {
16 OSSL_PROPERTY_IDX key = *(const OSSL_PROPERTY_IDX *)keyp;
17 const OSSL_PROPERTY_DEFINITION *defn =
18 (const OSSL_PROPERTY_DEFINITION *)compare;
19
20 return key - defn->name_idx;
21 }
22
23 const OSSL_PROPERTY_DEFINITION *
ossl_property_find_property(const OSSL_PROPERTY_LIST * list,OSSL_LIB_CTX * libctx,const char * name)24 ossl_property_find_property(const OSSL_PROPERTY_LIST *list,
25 OSSL_LIB_CTX *libctx, const char *name)
26 {
27 OSSL_PROPERTY_IDX name_idx;
28
29 if (list == NULL || name == NULL
30 || (name_idx = ossl_property_name(libctx, name, 0)) == 0)
31 return NULL;
32
33 return ossl_bsearch(&name_idx, list->properties, list->num_properties,
34 sizeof(*list->properties), &property_idx_cmp, 0);
35 }
36
ossl_property_get_type(const OSSL_PROPERTY_DEFINITION * prop)37 OSSL_PROPERTY_TYPE ossl_property_get_type(const OSSL_PROPERTY_DEFINITION *prop)
38 {
39 return prop->type;
40 }
41
ossl_property_get_string_value(OSSL_LIB_CTX * libctx,const OSSL_PROPERTY_DEFINITION * prop)42 const char *ossl_property_get_string_value(OSSL_LIB_CTX *libctx,
43 const OSSL_PROPERTY_DEFINITION *prop)
44 {
45 const char *value = NULL;
46
47 if (prop != NULL && prop->type == OSSL_PROPERTY_TYPE_STRING)
48 value = ossl_property_value_str(libctx, prop->v.str_val);
49 return value;
50 }
51
ossl_property_get_number_value(const OSSL_PROPERTY_DEFINITION * prop)52 int64_t ossl_property_get_number_value(const OSSL_PROPERTY_DEFINITION *prop)
53 {
54 int64_t value = 0;
55
56 if (prop != NULL && prop->type == OSSL_PROPERTY_TYPE_NUMBER)
57 value = prop->v.int_val;
58 return value;
59 }
60
61 /* Does a property query have any optional clauses */
ossl_property_has_optional(const OSSL_PROPERTY_LIST * query)62 int ossl_property_has_optional(const OSSL_PROPERTY_LIST *query)
63 {
64 return query->has_optional ? 1 : 0;
65 }
66
ossl_property_is_enabled(OSSL_LIB_CTX * ctx,const char * property_name,const OSSL_PROPERTY_LIST * prop_list)67 int ossl_property_is_enabled(OSSL_LIB_CTX *ctx, const char *property_name,
68 const OSSL_PROPERTY_LIST *prop_list)
69 {
70 const OSSL_PROPERTY_DEFINITION *prop;
71
72 prop = ossl_property_find_property(prop_list, ctx, property_name);
73 /* Do a separate check for override as it does not set type */
74 if (prop == NULL || prop->optional || prop->oper == OSSL_PROPERTY_OVERRIDE)
75 return 0;
76 return (prop->type == OSSL_PROPERTY_TYPE_STRING
77 && ((prop->oper == OSSL_PROPERTY_OPER_EQ
78 && prop->v.str_val == OSSL_PROPERTY_TRUE)
79 || (prop->oper == OSSL_PROPERTY_OPER_NE
80 && prop->v.str_val != OSSL_PROPERTY_TRUE)));
81 }
82
83