test/nodefltctxtest.c

   1 /*
   2  * Copyright 2023 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 <openssl/evp.h>
  11 #include "testutil.h"
  12
  13 /*
  14  * Test that the default libctx does not get initialised when using a custom
  15  * libctx. We assume that this test application has been executed such that the
  16  * null provider is loaded via the config file.
  17  */
  18 static int test_no_deflt_ctx_init(void)
  19 {
  20     int testresult = 0;
  21     EVP_MD *md = NULL;
  22     OSSL_LIB_CTX *ctx = OSSL_LIB_CTX_new();
  23
  24     if (!TEST_ptr(ctx))
  25         return 0;
  26
  27     md = EVP_MD_fetch(ctx, "SHA2-256", NULL);
  28     if (!TEST_ptr(md))
  29         goto err;
  30
  31     /*
  32      * Since we're using a non-default libctx above, the default libctx should
  33      * not have been initialised via config file, and so it is not too late to
  34      * use OPENSSL_INIT_NO_LOAD_CONFIG.
  35      */
  36     OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL);
  37
  38     /*
  39      * If the config file was incorrectly loaded then the null provider will
  40      * have been initialised and the default provider loading will have been
  41      * blocked. If the config file was NOT loaded (as we expect) then the
  42      * default provider should be available.
  43      */
  44     if (!TEST_true(OSSL_PROVIDER_available(NULL, "default")))
  45         goto err;
  46     if (!TEST_false(OSSL_PROVIDER_available(NULL, "null")))
  47         goto err;
  48
  49     testresult = 1;
  50  err:
  51     EVP_MD_free(md);
  52     OSSL_LIB_CTX_free(ctx);
  53     return testresult;
  54 }
  55
  56 int setup_tests(void)
  57 {
  58     ADD_TEST(test_no_deflt_ctx_init);
  59     return 1;
  60 }