b_dump.c revision 68651
155714Skris/* crypto/bio/b_dump.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris/* 6055714Skris * Stolen from tjh's ssl/ssl_trc.c stuff. 6155714Skris */ 6255714Skris 6355714Skris#include <stdio.h> 6455714Skris#include "cryptlib.h" 6555714Skris#include <openssl/bio.h> 6655714Skris 6755714Skris#define TRUNCATE 6855714Skris#define DUMP_WIDTH 16 6968651Skris#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) 7055714Skris 7155714Skrisint BIO_dump(BIO *bio, const char *s, int len) 7268651Skris { 7368651Skris return BIO_dump_indent(bio, s, len, 0); 7468651Skris } 7555714Skris 7668651Skrisint BIO_dump_indent(BIO *bio, const char *s, int len, int indent) 7768651Skris { 7868651Skris int ret=0; 7968651Skris char buf[288+1],tmp[20],str[128+1]; 8068651Skris int i,j,rows,trunc; 8168651Skris unsigned char ch; 8268651Skris int dump_width; 8368651Skris 8468651Skris trunc=0; 8568651Skris 8655714Skris#ifdef TRUNCATE 8768651Skris for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) 8868651Skris trunc++; 8955714Skris#endif 9055714Skris 9168651Skris if (indent < 0) 9268651Skris indent = 0; 9368651Skris if (indent) 9468651Skris { 9568651Skris if (indent > 128) indent=128; 9668651Skris memset(str,' ',indent); 9768651Skris } 9868651Skris str[indent]='\0'; 9968651Skris 10068651Skris dump_width=DUMP_WIDTH_LESS_INDENT(indent); 10168651Skris rows=(len/dump_width); 10268651Skris if ((rows*dump_width)<len) 10368651Skris rows++; 10468651Skris for(i=0;i<rows;i++) 10568651Skris { 10668651Skris buf[0]='\0'; /* start with empty string */ 10768651Skris strcpy(buf,str); 10868651Skris sprintf(tmp,"%04x - ",i*dump_width); 10968651Skris strcat(buf,tmp); 11068651Skris for(j=0;j<dump_width;j++) 11168651Skris { 11268651Skris if (((i*dump_width)+j)>=len) 11368651Skris { 11468651Skris strcat(buf," "); 11568651Skris } 11668651Skris else 11768651Skris { 11868651Skris ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 11968651Skris sprintf(tmp,"%02x%c",ch,j==7?'-':' '); 12068651Skris strcat(buf,tmp); 12168651Skris } 12268651Skris } 12368651Skris strcat(buf," "); 12468651Skris for(j=0;j<dump_width;j++) 12568651Skris { 12668651Skris if (((i*dump_width)+j)>=len) 12768651Skris break; 12868651Skris ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 12955714Skris#ifndef CHARSET_EBCDIC 13068651Skris sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.'); 13155714Skris#else 13268651Skris sprintf(tmp,"%c",((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) 13368651Skris ? os_toebcdic[ch] 13468651Skris : '.'); 13555714Skris#endif 13668651Skris strcat(buf,tmp); 13768651Skris } 13868651Skris strcat(buf,"\n"); 13968651Skris /* if this is the last call then update the ddt_dump thing so that 14068651Skris * we will move the selection point in the debug window 14168651Skris */ 14268651Skris ret+=BIO_write(bio,(char *)buf,strlen(buf)); 14368651Skris } 14455714Skris#ifdef TRUNCATE 14568651Skris if (trunc > 0) 14668651Skris { 14768651Skris sprintf(buf,"%s%04x - <SPACES/NULS>\n",str,len+trunc); 14868651Skris ret+=BIO_write(bio,(char *)buf,strlen(buf)); 14968651Skris } 15055714Skris#endif 15168651Skris return(ret); 15268651Skris } 153