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b_dump.c 6.0 KB

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  1. /* crypto/bio/b_dump.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. /*
  59. * Stolen from tjh's ssl/ssl_trc.c stuff.
  60. */
  61. #include <stdio.h>
  62. #include "cryptlib.h"
  63. #include "bio_lcl.h"
  64. #define TRUNCATE
  65. #define DUMP_WIDTH 16
  66. #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4))
  67. int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
  68. void *u, const char *s, int len)
  69. {
  70. return BIO_dump_indent_cb(cb, u, s, len, 0);
  71. }
  72. int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
  73. void *u, const char *s, int len, int indent)
  74. {
  75. int ret=0;
  76. char buf[288+1],tmp[20],str[128+1];
  77. int i,j,rows,trc;
  78. unsigned char ch;
  79. int dump_width;
  80. trc=0;
  81. #ifdef TRUNCATE
  82. for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
  83. trc++;
  84. #endif
  85. if (indent < 0)
  86. indent = 0;
  87. if (indent)
  88. {
  89. if (indent > 128) indent=128;
  90. memset(str,' ',indent);
  91. }
  92. str[indent]='\0';
  93. dump_width=DUMP_WIDTH_LESS_INDENT(indent);
  94. rows=(len/dump_width);
  95. if ((rows*dump_width)<len)
  96. rows++;
  97. for(i=0;i<rows;i++)
  98. {
  99. buf[0]='\0'; /* start with empty string */
  100. BUF_strlcpy(buf,str,sizeof buf);
  101. BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width);
  102. BUF_strlcat(buf,tmp,sizeof buf);
  103. for(j=0;j<dump_width;j++)
  104. {
  105. if (((i*dump_width)+j)>=len)
  106. {
  107. BUF_strlcat(buf," ",sizeof buf);
  108. }
  109. else
  110. {
  111. ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
  112. BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch,
  113. j==7?'-':' ');
  114. BUF_strlcat(buf,tmp,sizeof buf);
  115. }
  116. }
  117. BUF_strlcat(buf," ",sizeof buf);
  118. for(j=0;j<dump_width;j++)
  119. {
  120. if (((i*dump_width)+j)>=len)
  121. break;
  122. ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
  123. #ifndef CHARSET_EBCDIC
  124. BIO_snprintf(tmp,sizeof tmp,"%c",
  125. ((ch>=' ')&&(ch<='~'))?ch:'.');
  126. #else
  127. BIO_snprintf(tmp,sizeof tmp,"%c",
  128. ((ch>=os_toascii[' '])&&(ch<=os_toascii['~']))
  129. ? os_toebcdic[ch]
  130. : '.');
  131. #endif
  132. BUF_strlcat(buf,tmp,sizeof buf);
  133. }
  134. BUF_strlcat(buf,"\n",sizeof buf);
  135. /* if this is the last call then update the ddt_dump thing so
  136. * that we will move the selection point in the debug window
  137. */
  138. ret+=cb((void *)buf,strlen(buf),u);
  139. }
  140. #ifdef TRUNCATE
  141. if (trc > 0)
  142. {
  143. BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str,
  144. len+trc);
  145. ret+=cb((void *)buf,strlen(buf),u);
  146. }
  147. #endif
  148. return(ret);
  149. }
  150. #ifndef OPENSSL_NO_FP_API
  151. static int write_fp(const void *data, size_t len, void *fp)
  152. {
  153. return UP_fwrite(data, len, 1, fp);
  154. }
  155. int BIO_dump_fp(FILE *fp, const char *s, int len)
  156. {
  157. return BIO_dump_cb(write_fp, fp, s, len);
  158. }
  159. int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
  160. {
  161. return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
  162. }
  163. #endif
  164. static int write_bio(const void *data, size_t len, void *bp)
  165. {
  166. return BIO_write((BIO *)bp, (const char *)data, len);
  167. }
  168. int BIO_dump(BIO *bp, const char *s, int len)
  169. {
  170. return BIO_dump_cb(write_bio, bp, s, len);
  171. }
  172. int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
  173. {
  174. return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
  175. }