Coverage Report

Created: 2025-06-13 06:58

/src/openssl31/providers/nullprov.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 2020 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 <string.h>
11
#include <stdio.h>
12
#include <openssl/core.h>
13
#include <openssl/core_dispatch.h>
14
#include <openssl/core_names.h>
15
#include <openssl/params.h>
16
#include "prov/implementations.h"
17
#include "prov/providercommon.h"
18
19
OSSL_provider_init_fn ossl_null_provider_init;
20
21
/* Parameters we provide to the core */
22
static const OSSL_PARAM null_param_types[] = {
23
    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
24
    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
25
    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
26
    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
27
    OSSL_PARAM_END
28
};
29
30
static const OSSL_PARAM *null_gettable_params(const OSSL_PROVIDER *prov)
31
0
{
32
0
    return null_param_types;
33
0
}
34
35
static int null_get_params(const OSSL_PROVIDER *provctx, OSSL_PARAM params[])
36
0
{
37
0
    OSSL_PARAM *p;
38
39
0
    p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
40
0
    if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Null Provider"))
41
0
        return 0;
42
0
    p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
43
0
    if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
44
0
        return 0;
45
0
    p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
46
0
    if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
47
0
        return 0;
48
0
    p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
49
0
    if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
50
0
        return 0;
51
0
    return 1;
52
0
}
53
54
static const OSSL_ALGORITHM *null_query(OSSL_PROVIDER *prov,
55
                                          int operation_id,
56
                                          int *no_cache)
57
0
{
58
0
    *no_cache = 0;
59
0
    return NULL;
60
0
}
61
62
/* Functions we provide to the core */
63
static const OSSL_DISPATCH null_dispatch_table[] = {
64
    { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))null_gettable_params },
65
    { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))null_get_params },
66
    { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))null_query },
67
    { 0, NULL }
68
};
69
70
int ossl_null_provider_init(const OSSL_CORE_HANDLE *handle,
71
                            const OSSL_DISPATCH *in,
72
                            const OSSL_DISPATCH **out,
73
                            void **provctx)
74
0
{
75
0
    *out = null_dispatch_table;
76
77
    /* Could be anything - we don't use it */
78
0
    *provctx = (void *)handle;
79
0
    return 1;
80
0
}