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authorcvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
committercvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
commit3779f2f4a8b544a7e4c362915322726b66cff114 (patch)
treeb6d77e66cbfdf6c0d8953fba2917f26f86fa50f6 /src/lib/libcrypto/bio/b_dump.c
parentf39945c2b3b0f9e4950384bdb8effdac6eed9199 (diff)
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diff --git a/src/lib/libcrypto/bio/b_dump.c b/src/lib/libcrypto/bio/b_dump.c
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1/* crypto/bio/b_dump.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@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@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@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@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 <openssl/bio.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
71int BIO_dump(BIO *bio, const char *s, int len)
72 {
73 return BIO_dump_indent(bio, s, len, 0);
74 }
75
76int BIO_dump_indent(BIO *bio, const char *s, int len, int indent)
77 {
78 int ret=0;
79 char buf[288+1],tmp[20],str[128+1];
80 int i,j,rows,trunc;
81 unsigned char ch;
82 int dump_width;
83
84 trunc=0;
85
86#ifdef TRUNCATE
87 for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
88 trunc++;
89#endif
90
91 if (indent < 0)
92 indent = 0;
93 if (indent)
94 {
95 if (indent > 128) indent=128;
96 memset(str,' ',indent);
97 }
98 str[indent]='\0';
99
100 dump_width=DUMP_WIDTH_LESS_INDENT(indent);
101 rows=(len/dump_width);
102 if ((rows*dump_width)<len)
103 rows++;
104 for(i=0;i<rows;i++)
105 {
106 buf[0]='\0'; /* start with empty string */
107 strcpy(buf,str);
108 sprintf(tmp,"%04x - ",i*dump_width);
109 strcat(buf,tmp);
110 for(j=0;j<dump_width;j++)
111 {
112 if (((i*dump_width)+j)>=len)
113 {
114 strcat(buf," ");
115 }
116 else
117 {
118 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
119 sprintf(tmp,"%02x%c",ch,j==7?'-':' ');
120 strcat(buf,tmp);
121 }
122 }
123 strcat(buf," ");
124 for(j=0;j<dump_width;j++)
125 {
126 if (((i*dump_width)+j)>=len)
127 break;
128 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
129#ifndef CHARSET_EBCDIC
130 sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.');
131#else
132 sprintf(tmp,"%c",((ch>=os_toascii[' '])&&(ch<=os_toascii['~']))
133 ? os_toebcdic[ch]
134 : '.');
135#endif
136 strcat(buf,tmp);
137 }
138 strcat(buf,"\n");
139 /* if this is the last call then update the ddt_dump thing so that
140 * we will move the selection point in the debug window
141 */
142 ret+=BIO_write(bio,(char *)buf,strlen(buf));
143 }
144#ifdef TRUNCATE
145 if (trunc > 0)
146 {
147 sprintf(buf,"%s%04x - <SPACES/NULS>\n",str,len+trunc);
148 ret+=BIO_write(bio,(char *)buf,strlen(buf));
149 }
150#endif
151 return(ret);
152 }