122 lines
4.6 KiB
C
122 lines
4.6 KiB
C
/* crypto/bio/b_dump.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/*
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* Stolen from tjh's ssl/ssl_trc.c stuff.
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/bio.h>
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#define TRUNCATE
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#define DUMP_WIDTH 16
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int BIO_dump(BIO *bio, const char *s, int len)
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{
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int ret=0;
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char buf[160+1],tmp[20];
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int i,j,rows,trunc;
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unsigned char ch;
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trunc=0;
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#ifdef TRUNCATE
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for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
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trunc++;
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#endif
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rows=(len/DUMP_WIDTH);
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if ((rows*DUMP_WIDTH)<len)
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rows++;
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for(i=0;i<rows;i++) {
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buf[0]='\0'; /* start with empty string */
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sprintf(tmp,"%04x - ",i*DUMP_WIDTH);
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strcpy(buf,tmp);
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for(j=0;j<DUMP_WIDTH;j++) {
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if (((i*DUMP_WIDTH)+j)>=len) {
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strcat(buf," ");
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} else {
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ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
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sprintf(tmp,"%02x%c",ch,j==7?'-':' ');
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strcat(buf,tmp);
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}
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}
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strcat(buf," ");
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for(j=0;j<DUMP_WIDTH;j++) {
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if (((i*DUMP_WIDTH)+j)>=len)
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break;
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ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
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sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.');
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strcat(buf,tmp);
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}
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strcat(buf,"\n");
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/* if this is the last call then update the ddt_dump thing so that
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* we will move the selection point in the debug window
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*/
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ret+=BIO_write(bio,(char *)buf,strlen(buf));
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}
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#ifdef TRUNCATE
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if (trunc > 0) {
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sprintf(buf,"%04x - <SPACES/NULS>\n",len+trunc);
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ret+=BIO_write(bio,(char *)buf,strlen(buf));
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}
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#endif
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return(ret);
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}
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