crypto/self_test_core.c

   1 /*
   2  * Copyright 2019 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/self_test.h>
  11 #include "internal/cryptlib.h"
  12
  13 typedef struct self_test_cb_st
  14 {
  15     OSSL_CALLBACK *cb;
  16     void *cbarg;
  17 } SELF_TEST_CB;
  18
  19 static void *self_test_set_callback_new(OPENSSL_CTX *ctx)
  20 {
  21     SELF_TEST_CB *stcb;
  22
  23     stcb = OPENSSL_zalloc(sizeof(*stcb));
  24     return stcb;
  25 }
  26
  27 static void self_test_set_callback_free(void *stcb)
  28 {
  29     OPENSSL_free(stcb);
  30 }
  31
  32 static const OPENSSL_CTX_METHOD self_test_set_callback_method = {
  33     self_test_set_callback_new,
  34     self_test_set_callback_free,
  35 };
  36
  37 static SELF_TEST_CB *get_self_test_callback(OPENSSL_CTX *libctx)
  38 {
  39     return openssl_ctx_get_data(libctx, OPENSSL_CTX_SELF_TEST_CB_INDEX,
  40                                 &self_test_set_callback_method);
  41 }
  42
  43 void OSSL_SELF_TEST_set_callback(OPENSSL_CTX *libctx, OSSL_CALLBACK *cb,
  44                                  void *cbarg)
  45 {
  46     SELF_TEST_CB *stcb = get_self_test_callback(libctx);
  47
  48     if (stcb != NULL) {
  49         stcb->cb = cb;
  50         stcb->cbarg = cbarg;
  51     }
  52 }
  53 void OSSL_SELF_TEST_get_callback(OPENSSL_CTX *libctx, OSSL_CALLBACK **cb,
  54                                  void **cbarg)
  55 {
  56     SELF_TEST_CB *stcb = get_self_test_callback(libctx);
  57
  58     if (cb != NULL)
  59         *cb = (stcb != NULL ? stcb->cb : NULL);
  60     if (cbarg != NULL)
  61         *cbarg = (stcb != NULL ? stcb->cbarg : NULL);
  62 }