tb_store.c 4.4 KB

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  1. /* ====================================================================
  2. * Copyright (c) 2003 The OpenSSL Project. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. *
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in
  13. * the documentation and/or other materials provided with the
  14. * distribution.
  15. *
  16. * 3. All advertising materials mentioning features or use of this
  17. * software must display the following acknowledgment:
  18. * "This product includes software developed by the OpenSSL Project
  19. * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  20. *
  21. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  22. * endorse or promote products derived from this software without
  23. * prior written permission. For written permission, please contact
  24. * licensing@OpenSSL.org.
  25. *
  26. * 5. Products derived from this software may not be called "OpenSSL"
  27. * nor may "OpenSSL" appear in their names without prior written
  28. * permission of the OpenSSL Project.
  29. *
  30. * 6. Redistributions of any form whatsoever must retain the following
  31. * acknowledgment:
  32. * "This product includes software developed by the OpenSSL Project
  33. * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  34. *
  35. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  36. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  39. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46. * OF THE POSSIBILITY OF SUCH DAMAGE.
  47. * ====================================================================
  48. *
  49. * This product includes cryptographic software written by Eric Young
  50. * (eay@cryptsoft.com). This product includes software written by Tim
  51. * Hudson (tjh@cryptsoft.com).
  52. *
  53. */
  54. #include "eng_int.h"
  55. /*
  56. * If this symbol is defined then ENGINE_get_default_STORE(), the function
  57. * that is used by STORE to hook in implementation code and cache defaults
  58. * (etc), will display brief debugging summaries to stderr with the 'nid'.
  59. */
  60. /* #define ENGINE_STORE_DEBUG */
  61. static ENGINE_TABLE *store_table = NULL;
  62. static const int dummy_nid = 1;
  63. void ENGINE_unregister_STORE(ENGINE *e)
  64. {
  65. engine_table_unregister(&store_table, e);
  66. }
  67. static void engine_unregister_all_STORE(void)
  68. {
  69. engine_table_cleanup(&store_table);
  70. }
  71. int ENGINE_register_STORE(ENGINE *e)
  72. {
  73. if (e->store_meth)
  74. return engine_table_register(&store_table,
  75. engine_unregister_all_STORE, e,
  76. &dummy_nid, 1, 0);
  77. return 1;
  78. }
  79. void ENGINE_register_all_STORE()
  80. {
  81. ENGINE *e;
  82. for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
  83. ENGINE_register_STORE(e);
  84. }
  85. /* The following two functions are removed because they're useless. */
  86. #if 0
  87. int ENGINE_set_default_STORE(ENGINE *e)
  88. {
  89. if (e->store_meth)
  90. return engine_table_register(&store_table,
  91. engine_unregister_all_STORE, e,
  92. &dummy_nid, 1, 1);
  93. return 1;
  94. }
  95. #endif
  96. #if 0
  97. /*
  98. * Exposed API function to get a functional reference from the implementation
  99. * table (ie. try to get a functional reference from the tabled structural
  100. * references).
  101. */
  102. ENGINE *ENGINE_get_default_STORE(void)
  103. {
  104. return engine_table_select(&store_table, dummy_nid);
  105. }
  106. #endif
  107. /* Obtains an STORE implementation from an ENGINE functional reference */
  108. const STORE_METHOD *ENGINE_get_STORE(const ENGINE *e)
  109. {
  110. return e->store_meth;
  111. }
  112. /* Sets an STORE implementation in an ENGINE structure */
  113. int ENGINE_set_STORE(ENGINE *e, const STORE_METHOD *store_meth)
  114. {
  115. e->store_meth = store_meth;
  116. return 1;
  117. }