err_prn.c 4.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114
  1. /* crypto/err/err_prn.c */
  2. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young (eay@cryptsoft.com).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young (eay@cryptsoft.com)"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #include <stdio.h>
  59. #include "cryptlib.h"
  60. #include <openssl/lhash.h>
  61. #include <openssl/crypto.h>
  62. #include <openssl/buffer.h>
  63. #include <openssl/err.h>
  64. void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
  65. void *u)
  66. {
  67. unsigned long l;
  68. char buf[256];
  69. char buf2[4096];
  70. const char *file, *data;
  71. int line, flags;
  72. unsigned long es;
  73. CRYPTO_THREADID cur;
  74. CRYPTO_THREADID_current(&cur);
  75. es = CRYPTO_THREADID_hash(&cur);
  76. while ((l = ERR_get_error_line_data(&file, &line, &data, &flags)) != 0) {
  77. ERR_error_string_n(l, buf, sizeof buf);
  78. BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", es, buf,
  79. file, line, (flags & ERR_TXT_STRING) ? data : "");
  80. if (cb(buf2, strlen(buf2), u) <= 0)
  81. break; /* abort outputting the error report */
  82. }
  83. }
  84. #ifndef OPENSSL_NO_FP_API
  85. static int print_fp(const char *str, size_t len, void *fp)
  86. {
  87. BIO bio;
  88. BIO_set(&bio, BIO_s_file());
  89. BIO_set_fp(&bio, fp, BIO_NOCLOSE);
  90. return BIO_printf(&bio, "%s", str);
  91. }
  92. void ERR_print_errors_fp(FILE *fp)
  93. {
  94. ERR_print_errors_cb(print_fp, fp);
  95. }
  96. #endif
  97. static int print_bio(const char *str, size_t len, void *bp)
  98. {
  99. return BIO_write((BIO *)bp, str, len);
  100. }
  101. void ERR_print_errors(BIO *bp)
  102. {
  103. ERR_print_errors_cb(print_bio, bp);
  104. }