1/*
2 * Copyright 2019-2021 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 <stddef.h>
11#include <openssl/crypto.h>
12#include "internal/provider.h"
13#include "testutil.h"
14
15extern OSSL_provider_init_fn PROVIDER_INIT_FUNCTION_NAME;
16
17static char buf[256];
18static OSSL_PARAM greeting_request[] = {
19    { "greeting", OSSL_PARAM_UTF8_STRING, buf, sizeof(buf), 0 },
20    { NULL, 0, NULL, 0, 0 }
21};
22
23static int test_provider(OSSL_PROVIDER *prov, const char *expected_greeting)
24{
25    const char *greeting = NULL;
26    int ret = 0;
27
28    ret =
29        TEST_true(ossl_provider_activate(prov, 1, 0))
30        && TEST_true(ossl_provider_get_params(prov, greeting_request))
31        && TEST_ptr(greeting = greeting_request[0].data)
32        && TEST_size_t_gt(greeting_request[0].data_size, 0)
33        && TEST_str_eq(greeting, expected_greeting)
34        && TEST_true(ossl_provider_deactivate(prov, 1));
35
36    TEST_info("Got this greeting: %s\n", greeting);
37    ossl_provider_free(prov);
38    return ret;
39}
40
41static const char *expected_greeting1(const char *name)
42{
43    static char expected_greeting[256] = "";
44
45    BIO_snprintf(expected_greeting, sizeof(expected_greeting),
46                 "Hello OpenSSL %.20s, greetings from %s!",
47                 OPENSSL_VERSION_STR, name);
48
49    return expected_greeting;
50}
51
52static int test_builtin_provider(void)
53{
54    const char *name = "p_test_builtin";
55    OSSL_PROVIDER *prov = NULL;
56    int ret;
57
58    /*
59     * We set properties that we know the providers we are using don't have.
60     * This should mean that the p_test provider will fail any fetches - which
61     * is something we test inside the provider.
62     */
63    EVP_set_default_properties(NULL, "fips=yes");
64
65    ret =
66        TEST_ptr(prov =
67                 ossl_provider_new(NULL, name, PROVIDER_INIT_FUNCTION_NAME, 0))
68        && test_provider(prov, expected_greeting1(name));
69
70    EVP_set_default_properties(NULL, "");
71
72    return ret;
73}
74
75#ifndef NO_PROVIDER_MODULE
76static int test_loaded_provider(void)
77{
78    const char *name = "p_test";
79    OSSL_PROVIDER *prov = NULL;
80
81    return
82        TEST_ptr(prov = ossl_provider_new(NULL, name, NULL, 0))
83        && test_provider(prov, expected_greeting1(name));
84}
85
86static int test_configured_provider(void)
87{
88    const char *name = "p_test_configured";
89    OSSL_PROVIDER *prov = NULL;
90    /* This MUST match the config file */
91    const char *expected_greeting =
92        "Hello OpenSSL, greetings from Test Provider";
93
94    return
95        TEST_ptr(prov = ossl_provider_find(NULL, name, 0))
96        && test_provider(prov, expected_greeting);
97}
98#endif
99
100static int test_cache_flushes(void)
101{
102    OSSL_LIB_CTX *ctx;
103    OSSL_PROVIDER *prov = NULL;
104    EVP_MD *md = NULL;
105    int ret = 0;
106
107    if (!TEST_ptr(ctx = OSSL_LIB_CTX_new())
108            || !TEST_ptr(prov = OSSL_PROVIDER_load(ctx, "default"))
109            || !TEST_true(OSSL_PROVIDER_available(ctx, "default"))
110            || !TEST_ptr(md = EVP_MD_fetch(ctx, "SHA256", NULL)))
111        goto err;
112    EVP_MD_free(md);
113    md = NULL;
114    OSSL_PROVIDER_unload(prov);
115    prov = NULL;
116
117    if (!TEST_false(OSSL_PROVIDER_available(ctx, "default")))
118        goto err;
119
120    if (!TEST_ptr_null(md = EVP_MD_fetch(ctx, "SHA256", NULL))) {
121        const char *provname = OSSL_PROVIDER_get0_name(EVP_MD_get0_provider(md));
122
123        if (OSSL_PROVIDER_available(NULL, provname))
124            TEST_info("%s provider is available\n", provname);
125        else
126            TEST_info("%s provider is not available\n", provname);
127    }
128
129    ret = 1;
130 err:
131    OSSL_PROVIDER_unload(prov);
132    EVP_MD_free(md);
133    OSSL_LIB_CTX_free(ctx);
134    return ret;
135}
136
137int setup_tests(void)
138{
139    ADD_TEST(test_builtin_provider);
140#ifndef NO_PROVIDER_MODULE
141    ADD_TEST(test_loaded_provider);
142    ADD_TEST(test_configured_provider);
143#endif
144    ADD_TEST(test_cache_flushes);
145    return 1;
146}
147
148