b_dump.c revision 160814
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" 65160814Ssimon#include "bio_lcl.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 71160814Ssimonint BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), 72160814Ssimon void *u, const char *s, int len) 7368651Skris { 74160814Ssimon return BIO_dump_indent_cb(cb, u, s, len, 0); 7568651Skris } 7655714Skris 77160814Ssimonint BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), 78160814Ssimon void *u, const char *s, int len, int indent) 7968651Skris { 8068651Skris int ret=0; 8168651Skris char buf[288+1],tmp[20],str[128+1]; 82160814Ssimon int i,j,rows,trc; 8368651Skris unsigned char ch; 8468651Skris int dump_width; 85160814Ssimon 86160814Ssimon trc=0; 87160814Ssimon 8855714Skris#ifdef TRUNCATE 89160814Ssimon for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) 90160814Ssimon trc++; 9155714Skris#endif 9255714Skris 9368651Skris if (indent < 0) 9468651Skris indent = 0; 9568651Skris if (indent) 9668651Skris { 9768651Skris if (indent > 128) indent=128; 9868651Skris memset(str,' ',indent); 9968651Skris } 10068651Skris str[indent]='\0'; 101160814Ssimon 10268651Skris dump_width=DUMP_WIDTH_LESS_INDENT(indent); 10368651Skris rows=(len/dump_width); 10468651Skris if ((rows*dump_width)<len) 10568651Skris rows++; 10668651Skris for(i=0;i<rows;i++) 10768651Skris { 10868651Skris buf[0]='\0'; /* start with empty string */ 109127128Snectar BUF_strlcpy(buf,str,sizeof buf); 110127128Snectar BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); 111127128Snectar BUF_strlcat(buf,tmp,sizeof buf); 11268651Skris for(j=0;j<dump_width;j++) 11368651Skris { 11468651Skris if (((i*dump_width)+j)>=len) 11568651Skris { 116127128Snectar BUF_strlcat(buf," ",sizeof buf); 11768651Skris } 11868651Skris else 11968651Skris { 12068651Skris ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 121127128Snectar BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, 122160814Ssimon j==7?'-':' '); 123127128Snectar BUF_strlcat(buf,tmp,sizeof buf); 12468651Skris } 12568651Skris } 126127128Snectar BUF_strlcat(buf," ",sizeof buf); 12768651Skris for(j=0;j<dump_width;j++) 12868651Skris { 12968651Skris if (((i*dump_width)+j)>=len) 13068651Skris break; 13168651Skris ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; 13255714Skris#ifndef CHARSET_EBCDIC 133127128Snectar BIO_snprintf(tmp,sizeof tmp,"%c", 134160814Ssimon ((ch>=' ')&&(ch<='~'))?ch:'.'); 13555714Skris#else 136127128Snectar BIO_snprintf(tmp,sizeof tmp,"%c", 137160814Ssimon ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) 138160814Ssimon ? os_toebcdic[ch] 139160814Ssimon : '.'); 14055714Skris#endif 141127128Snectar BUF_strlcat(buf,tmp,sizeof buf); 14268651Skris } 143127128Snectar BUF_strlcat(buf,"\n",sizeof buf); 144160814Ssimon /* if this is the last call then update the ddt_dump thing so 145160814Ssimon * that we will move the selection point in the debug window 14668651Skris */ 147160814Ssimon ret+=cb((void *)buf,strlen(buf),u); 14868651Skris } 14955714Skris#ifdef TRUNCATE 150160814Ssimon if (trc > 0) 15168651Skris { 152127128Snectar BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, 153160814Ssimon len+trc); 154160814Ssimon ret+=cb((void *)buf,strlen(buf),u); 15568651Skris } 15655714Skris#endif 15768651Skris return(ret); 15868651Skris } 159160814Ssimon 160160814Ssimon#ifndef OPENSSL_NO_FP_API 161160814Ssimonstatic int write_fp(const void *data, size_t len, void *fp) 162160814Ssimon { 163160814Ssimon return UP_fwrite(data, len, 1, fp); 164160814Ssimon } 165160814Ssimonint BIO_dump_fp(FILE *fp, const char *s, int len) 166160814Ssimon { 167160814Ssimon return BIO_dump_cb(write_fp, fp, s, len); 168160814Ssimon } 169160814Ssimonint BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) 170160814Ssimon { 171160814Ssimon return BIO_dump_indent_cb(write_fp, fp, s, len, indent); 172160814Ssimon } 173160814Ssimon#endif 174160814Ssimon 175160814Ssimonstatic int write_bio(const void *data, size_t len, void *bp) 176160814Ssimon { 177160814Ssimon return BIO_write((BIO *)bp, (const char *)data, len); 178160814Ssimon } 179160814Ssimonint BIO_dump(BIO *bp, const char *s, int len) 180160814Ssimon { 181160814Ssimon return BIO_dump_cb(write_bio, bp, s, len); 182160814Ssimon } 183160814Ssimonint BIO_dump_indent(BIO *bp, const char *s, int len, int indent) 184160814Ssimon { 185160814Ssimon return BIO_dump_indent_cb(write_bio, bp, s, len, indent); 186160814Ssimon } 187160814Ssimon 188