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