conf_sap.c 3.7 KB

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  1. /* conf_sap.c */
  2. /*
  3. * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project
  4. * 2001.
  5. */
  6. /* ====================================================================
  7. * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. *
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. *
  16. * 2. Redistributions in binary form must reproduce the above copyright
  17. * notice, this list of conditions and the following disclaimer in
  18. * the documentation and/or other materials provided with the
  19. * distribution.
  20. *
  21. * 3. All advertising materials mentioning features or use of this
  22. * software must display the following acknowledgment:
  23. * "This product includes software developed by the OpenSSL Project
  24. * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25. *
  26. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27. * endorse or promote products derived from this software without
  28. * prior written permission. For written permission, please contact
  29. * licensing@OpenSSL.org.
  30. *
  31. * 5. Products derived from this software may not be called "OpenSSL"
  32. * nor may "OpenSSL" appear in their names without prior written
  33. * permission of the OpenSSL Project.
  34. *
  35. * 6. Redistributions of any form whatsoever must retain the following
  36. * acknowledgment:
  37. * "This product includes software developed by the OpenSSL Project
  38. * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39. *
  40. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51. * OF THE POSSIBILITY OF SUCH DAMAGE.
  52. * ====================================================================
  53. *
  54. * This product includes cryptographic software written by Eric Young
  55. * (eay@cryptsoft.com). This product includes software written by Tim
  56. * Hudson (tjh@cryptsoft.com).
  57. *
  58. */
  59. #include <stdio.h>
  60. #include <openssl/crypto.h>
  61. #include "cryptlib.h"
  62. #include <openssl/conf.h>
  63. #include <openssl/dso.h>
  64. #include <openssl/x509.h>
  65. #include <openssl/asn1.h>
  66. #ifndef OPENSSL_NO_ENGINE
  67. # include <openssl/engine.h>
  68. #endif
  69. /*
  70. * This is the automatic configuration loader: it is called automatically by
  71. * OpenSSL when any of a number of standard initialisation functions are
  72. * called, unless this is overridden by calling OPENSSL_no_config()
  73. */
  74. static int openssl_configured = 0;
  75. void OPENSSL_config(const char *config_name)
  76. {
  77. if (openssl_configured)
  78. return;
  79. OPENSSL_load_builtin_modules();
  80. #ifndef OPENSSL_NO_ENGINE
  81. /* Need to load ENGINEs */
  82. ENGINE_load_builtin_engines();
  83. #endif
  84. ERR_clear_error();
  85. CONF_modules_load_file(NULL, config_name,
  86. CONF_MFLAGS_DEFAULT_SECTION |
  87. CONF_MFLAGS_IGNORE_MISSING_FILE);
  88. openssl_configured = 1;
  89. }
  90. void OPENSSL_no_config()
  91. {
  92. openssl_configured = 1;
  93. }