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1 /* crypto/bio/b_dump.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 /* |
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60 * Stolen from tjh's ssl/ssl_trc.c stuff. |
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61 */ |
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62 /* |
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63 © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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64 */ |
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65 #include <stdio.h> |
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66 #include "cryptlib.h" |
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67 #include "bio_lcl.h" |
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68 |
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69 #define TRUNCATE |
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70 #define DUMP_WIDTH 16 |
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71 #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) |
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72 |
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73 EXPORT_C int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), |
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74 void *u, const char *s, int len) |
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75 { |
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76 return BIO_dump_indent_cb(cb, u, s, len, 0); |
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77 } |
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78 |
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79 EXPORT_C int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), |
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80 void *u, const char *s, int len, int indent) |
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81 { |
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82 int ret=0; |
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83 #ifndef SYMBIAN |
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84 char buf[288+1],tmp[20],str[128+1]; |
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85 #else |
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86 char buf[188+1],tmp[20],str[128+1]; |
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87 #endif |
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88 int i,j,rows,trc; |
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89 unsigned char ch; |
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90 int dump_width; |
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91 |
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92 trc=0; |
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93 |
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94 #ifdef TRUNCATE |
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95 for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) |
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96 trc++; |
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97 #endif |
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98 |
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99 if (indent < 0) |
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100 indent = 0; |
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101 if (indent) |
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102 { |
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103 if (indent > 128) indent=128; |
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104 memset(str,' ',indent); |
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105 } |
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106 str[indent]='\0'; |
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107 |
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108 dump_width=DUMP_WIDTH_LESS_INDENT(indent); |
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109 rows=(len/dump_width); |
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110 if ((rows*dump_width)<len) |
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111 rows++; |
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112 for(i=0;i<rows;i++) |
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113 { |
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114 buf[0]='\0'; /* start with empty string */ |
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115 BUF_strlcpy(buf,str,sizeof buf); |
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116 BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); |
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117 BUF_strlcat(buf,tmp,sizeof buf); |
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118 for(j=0;j<dump_width;j++) |
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119 { |
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120 if (((i*dump_width)+j)>=len) |
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121 { |
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122 BUF_strlcat(buf," ",sizeof buf); |
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123 } |
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124 else |
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125 { |
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126 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; |
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127 BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, |
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128 j==7?'-':' '); |
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129 BUF_strlcat(buf,tmp,sizeof buf); |
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130 } |
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131 } |
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132 BUF_strlcat(buf," ",sizeof buf); |
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133 for(j=0;j<dump_width;j++) |
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134 { |
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135 if (((i*dump_width)+j)>=len) |
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136 break; |
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137 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; |
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138 #ifndef CHARSET_EBCDIC |
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139 BIO_snprintf(tmp,sizeof tmp,"%c", |
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140 ((ch>=' ')&&(ch<='~'))?ch:'.'); |
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141 #else |
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142 BIO_snprintf(tmp,sizeof tmp,"%c", |
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143 ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) |
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144 ? os_toebcdic[ch] |
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145 : '.'); |
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146 #endif |
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147 BUF_strlcat(buf,tmp,sizeof buf); |
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148 } |
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149 BUF_strlcat(buf,"\n",sizeof buf); |
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150 /* if this is the last call then update the ddt_dump thing so |
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151 * that we will move the selection point in the debug window |
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152 */ |
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153 ret+=cb((void *)buf,strlen(buf),u); |
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154 } |
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155 #ifdef TRUNCATE |
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156 if (trc > 0) |
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157 { |
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158 BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, |
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159 len+trc); |
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160 ret+=cb((void *)buf,strlen(buf),u); |
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161 } |
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162 #endif |
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163 return(ret); |
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164 } |
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165 |
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166 #ifndef OPENSSL_NO_FP_API |
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167 static int write_fp(const void *data, size_t len, void *fp) |
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168 { |
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169 return UP_fwrite(data, len, 1, fp); |
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170 } |
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171 EXPORT_C int BIO_dump_fp(FILE *fp, const char *s, int len) |
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172 { |
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173 return BIO_dump_cb(write_fp, fp, s, len); |
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174 } |
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175 EXPORT_C int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) |
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176 { |
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177 return BIO_dump_indent_cb(write_fp, fp, s, len, indent); |
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178 } |
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179 #endif |
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180 |
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181 static int write_bio(const void *data, size_t len, void *bp) |
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182 { |
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183 return BIO_write((BIO *)bp, (const char *)data, len); |
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184 } |
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185 EXPORT_C int BIO_dump(BIO *bp, const char *s, int len) |
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186 { |
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187 return BIO_dump_cb(write_bio, bp, s, len); |
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188 } |
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189 EXPORT_C int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) |
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190 { |
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191 return BIO_dump_indent_cb(write_bio, bp, s, len, indent); |
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192 } |
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193 |