1 /* crypto/bio/b_dump.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 /* 60 * Stolen from tjh's ssl/ssl_trc.c stuff. 61 */ 62 63 #include <stdio.h> 64 #include "cryptlib.h" 65 #include "bio_lcl.h" 66 67 #define TRUNCATE 68 #define DUMP_WIDTH 16 69 #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) 70 71 int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), 72 void *u, const char *s, int len) 73 { 74 return BIO_dump_indent_cb(cb, u, s, len, 0); 75 } 76 77 int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), 78 void *u, const char *s, int len, int indent) 79 { 80 int ret=0; 81 char buf[288+1],tmp[20],str[128+1]; 82 int i,j,rows,trc; 83 unsigned char ch; 84 int dump_width; 85 86 trc=0; 87 88 #ifdef TRUNCATE 89 for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) 90 trc++; 91 #endif 92 93 if (indent < 0) 94 indent = 0; 95 if (indent) 96 { 97 if (indent > 128) indent=128; 98 memset(str,' ',indent); 99 } 100 str[indent]='\0'; 101 102 dump_width=DUMP_WIDTH_LESS_INDENT(indent); 103 rows=(len/dump_width); 104 if ((rows*dump_width)<len) 105 rows++; 106 for(i=0;i<rows;i++) 107 { 108 buf[0]='\0'; /* start with empty string */ 109 BUF_strlcpy(buf,str,sizeof buf); 110 BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); 111 BUF_strlcat(buf,tmp,sizeof buf); 112 for(j=0;j<dump_width;j++) 113 { 114 if (((i*dump_width)+j)>=len) 115 { 116 BUF_strlcat(buf," ",sizeof buf); 117 } 118 else 119 { 120 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 121 BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, 122 j==7?'-':' '); 123 BUF_strlcat(buf,tmp,sizeof buf); 124 } 125 } 126 BUF_strlcat(buf," ",sizeof buf); 127 for(j=0;j<dump_width;j++) 128 { 129 if (((i*dump_width)+j)>=len) 130 break; 131 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 132 #ifndef CHARSET_EBCDIC 133 BIO_snprintf(tmp,sizeof tmp,"%c", 134 ((ch>=' ')&&(ch<='~'))?ch:'.'); 135 #else 136 BIO_snprintf(tmp,sizeof tmp,"%c", 137 ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) 138 ? os_toebcdic[ch] 139 : '.'); 140 #endif 141 BUF_strlcat(buf,tmp,sizeof buf); 142 } 143 BUF_strlcat(buf,"\n",sizeof buf); 144 /* if this is the last call then update the ddt_dump thing so 145 * that we will move the selection point in the debug window 146 */ 147 ret+=cb((void *)buf,strlen(buf),u); 148 } 149 #ifdef TRUNCATE 150 if (trc > 0) 151 { 152 BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, 153 len+trc); 154 ret+=cb((void *)buf,strlen(buf),u); 155 } 156 #endif 157 return(ret); 158 } 159 160 #ifndef OPENSSL_NO_FP_API 161 static int write_fp(const void *data, size_t len, void *fp) 162 { 163 return UP_fwrite(data, len, 1, fp); 164 } 165 int BIO_dump_fp(FILE *fp, const char *s, int len) 166 { 167 return BIO_dump_cb(write_fp, fp, s, len); 168 } 169 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) 170 { 171 return BIO_dump_indent_cb(write_fp, fp, s, len, indent); 172 } 173 #endif 174 175 static int write_bio(const void *data, size_t len, void *bp) 176 { 177 return BIO_write((BIO *)bp, (const char *)data, len); 178 } 179 int BIO_dump(BIO *bp, const char *s, int len) 180 { 181 return BIO_dump_cb(write_bio, bp, s, len); 182 } 183 int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) 184 { 185 return BIO_dump_indent_cb(write_bio, bp, s, len, indent); 186 } 187 188
