test/testutil/provider.c

   1 /*
   2  * Copyright 2018-2021 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 "../testutil.h"
  11 #include <openssl/provider.h>
  12 #include <openssl/core_names.h>
  13 #include <string.h>
  14
  15 int test_get_libctx(OSSL_LIB_CTX **libctx, OSSL_PROVIDER **default_null_prov,
  16                     const char *config_file,
  17                     OSSL_PROVIDER **provider, const char *module_name)
  18 {
  19     OSSL_LIB_CTX *new_libctx = NULL;
  20
  21     if (libctx != NULL) {
  22         if ((new_libctx = *libctx = OSSL_LIB_CTX_new()) == NULL) {
  23             opt_printf_stderr("Failed to create libctx\n");
  24             goto err;
  25         }
  26     }
  27
  28     if (default_null_prov != NULL
  29         && (*default_null_prov = OSSL_PROVIDER_load(NULL, "null")) == NULL) {
  30         opt_printf_stderr("Failed to load null provider into default libctx\n");
  31         goto err;
  32     }
  33
  34     if (config_file != NULL
  35             && !OSSL_LIB_CTX_load_config(new_libctx, config_file)) {
  36         opt_printf_stderr("Error loading config from file %s\n", config_file);
  37         goto err;
  38     }
  39
  40     if (module_name != NULL
  41             && (*provider = OSSL_PROVIDER_load(new_libctx, module_name)) == NULL) {
  42         opt_printf_stderr("Failed to load provider %s\n", module_name);
  43         goto err;
  44     }
  45     return 1;
  46
  47  err:
  48     ERR_print_errors_fp(stderr);
  49     return 0;
  50 }
  51
  52 int test_arg_libctx(OSSL_LIB_CTX **libctx, OSSL_PROVIDER **default_null_prov,
  53                     OSSL_PROVIDER **provider, int argn, const char *usage)
  54 {
  55     const char *module_name;
  56
  57     if (!TEST_ptr(module_name = test_get_argument(argn))) {
  58         TEST_error("usage: <prog> %s", usage);
  59         return 0;
  60     }
  61     if (strcmp(module_name, "none") == 0)
  62         return 1;
  63     return test_get_libctx(libctx, default_null_prov,
  64                            test_get_argument(argn + 1), provider, module_name);
  65 }
  66
  67 typedef struct {
  68     int major, minor, patch;
  69 } FIPS_VERSION;
  70
  71 /*
  72  * Query the FIPS provider to determine it's version number.
  73  * Returns 1 if the version is retrieved correctly, 0 if the FIPS provider isn't
  74  * loaded and -1 on error.
  75  */
  76 static int fips_provider_version(OSSL_LIB_CTX *libctx, FIPS_VERSION *vers)
  77 {
  78     OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
  79     OSSL_PROVIDER *fips_prov;
  80     char *vs;
  81
  82     if (!OSSL_PROVIDER_available(libctx, "fips"))
  83         return 0;
  84     *params = OSSL_PARAM_construct_utf8_ptr(OSSL_PROV_PARAM_VERSION, &vs, 0);
  85     if ((fips_prov = OSSL_PROVIDER_load(libctx, "fips")) == NULL)
  86         return -1;
  87     if (!OSSL_PROVIDER_get_params(fips_prov, params)
  88             || sscanf(vs, "%d.%d.%d", &vers->major, &vers->minor, &vers->patch) != 3)
  89         goto err;
  90     if (!OSSL_PROVIDER_unload(fips_prov))
  91         return -1;  /* WTF do we do here??? */
  92     return 1;
  93  err:
  94     OSSL_PROVIDER_unload(fips_prov);
  95     return -1;
  96 }
  97
  98 int fips_provider_version_eq(OSSL_LIB_CTX *libctx, int major, int minor, int patch)
  99 {
 100     FIPS_VERSION prov;
 101     int res;
 102
 103     if ((res = fips_provider_version(libctx, &prov)) <= 0)
 104         return res == 0;
 105     return major == prov.major && minor == prov.minor && patch == prov.patch;
 106 }
 107
 108 int fips_provider_version_ne(OSSL_LIB_CTX *libctx, int major, int minor, int patch)
 109 {
 110     FIPS_VERSION prov;
 111     int res;
 112
 113     if ((res = fips_provider_version(libctx, &prov)) <= 0)
 114         return res == 0;
 115     return major != prov.major || minor != prov.minor || patch != prov.patch;
 116 }
 117
 118 int fips_provider_version_le(OSSL_LIB_CTX *libctx, int major, int minor, int patch)
 119 {
 120     FIPS_VERSION prov;
 121     int res;
 122
 123     if ((res = fips_provider_version(libctx, &prov)) <= 0)
 124         return res == 0;
 125     return prov.major < major
 126            || (prov.major == major
 127                && (prov.minor < minor
 128                    || (prov.minor == minor && prov.patch <= patch)));
 129 }
 130
 131 int fips_provider_version_gt(OSSL_LIB_CTX *libctx, int major, int minor, int patch)
 132 {
 133     FIPS_VERSION prov;
 134     int res;
 135
 136     if ((res = fips_provider_version(libctx, &prov)) <= 0)
 137         return res == 0;
 138     return prov.major > major
 139            || (prov.major == major
 140                && (prov.minor > minor
 141                    || (prov.minor == minor && prov.patch > patch)));
 142 }