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      1 /*
      2  * Copyright 2019-2024 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 
     15 extern OSSL_provider_init_fn PROVIDER_INIT_FUNCTION_NAME;
     16 
     17 static char buf[256];
     18 static OSSL_PARAM greeting_request[] = {
     19     { "greeting", OSSL_PARAM_UTF8_STRING, buf, sizeof(buf), 0 },
     20     { NULL, 0, NULL, 0, 0 }
     21 };
     22 
     23 static int test_provider(OSSL_PROVIDER *prov, const char *expected_greeting)
     24 {
     25     const char *greeting = "no greeting received";
     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 
     41 static 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 
     52 static 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
     76 static 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 
     86 # ifndef OPENSSL_NO_AUTOLOAD_CONFIG
     87 static int test_configured_provider(void)
     88 {
     89     const char *name = "p_test_configured";
     90     OSSL_PROVIDER *prov = NULL;
     91     /* This MUST match the config file */
     92     const char *expected_greeting =
     93         "Hello OpenSSL, greetings from Test Provider";
     94 
     95     return
     96         TEST_ptr(prov = ossl_provider_find(NULL, name, 0))
     97         && test_provider(prov, expected_greeting);
     98 }
     99 # endif
    100 #endif
    101 
    102 static int test_cache_flushes(void)
    103 {
    104     OSSL_LIB_CTX *ctx;
    105     OSSL_PROVIDER *prov = NULL;
    106     EVP_MD *md = NULL;
    107     int ret = 0;
    108 
    109     if (!TEST_ptr(ctx = OSSL_LIB_CTX_new())
    110             || !TEST_ptr(prov = OSSL_PROVIDER_load(ctx, "default"))
    111             || !TEST_true(OSSL_PROVIDER_available(ctx, "default"))
    112             || !TEST_ptr(md = EVP_MD_fetch(ctx, "SHA256", NULL)))
    113         goto err;
    114     EVP_MD_free(md);
    115     md = NULL;
    116     OSSL_PROVIDER_unload(prov);
    117     prov = NULL;
    118 
    119     if (!TEST_false(OSSL_PROVIDER_available(ctx, "default")))
    120         goto err;
    121 
    122     if (!TEST_ptr_null(md = EVP_MD_fetch(ctx, "SHA256", NULL))) {
    123         const char *provname = OSSL_PROVIDER_get0_name(EVP_MD_get0_provider(md));
    124 
    125         if (OSSL_PROVIDER_available(NULL, provname))
    126             TEST_info("%s provider is available\n", provname);
    127         else
    128             TEST_info("%s provider is not available\n", provname);
    129     }
    130 
    131     ret = 1;
    132  err:
    133     OSSL_PROVIDER_unload(prov);
    134     EVP_MD_free(md);
    135     OSSL_LIB_CTX_free(ctx);
    136     return ret;
    137 }
    138 
    139 int setup_tests(void)
    140 {
    141     ADD_TEST(test_builtin_provider);
    142 #ifndef NO_PROVIDER_MODULE
    143     ADD_TEST(test_loaded_provider);
    144 # ifndef OPENSSL_NO_AUTOLOAD_CONFIG
    145     ADD_TEST(test_configured_provider);
    146 # endif
    147 #endif
    148     ADD_TEST(test_cache_flushes);
    149     return 1;
    150 }
    151 
    152