source: trunk/sys/libcrypto/b_dump.c @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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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 <openssl/cryptlib.h>
65#include <openssl/bio_lcl.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_cb(int (*cb)(const void *data, size_t len, void *u),
72        void *u, const char *s, int len)
73        {
74        return BIO_dump_indent_cb(cb, u, s, len, 0);
75        }
76
77int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
78        void *u, const char *s, int len, int indent)
79        {
80        int ret=0;
81        char buf[288+1],tmp[20],str[128+1];
82        int i,j,rows,trc;
83        unsigned char ch;
84        int dump_width;
85
86        trc=0;
87
88#ifdef TRUNCATE
89        for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
90                trc++;
91#endif
92
93        if (indent < 0)
94                indent = 0;
95        if (indent)
96                {
97                if (indent > 128) indent=128;
98                memset(str,' ',indent);
99                }
100        str[indent]='\0';
101
102        dump_width=DUMP_WIDTH_LESS_INDENT(indent);
103        rows=(len/dump_width);
104        if ((rows*dump_width)<len)
105                rows++;
106        for(i=0;i<rows;i++)
107                {
108                buf[0]='\0';    /* start with empty string */
109                BUF_strlcpy(buf,str,sizeof buf);
110                BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width);
111                BUF_strlcat(buf,tmp,sizeof buf);
112                for(j=0;j<dump_width;j++)
113                        {
114                        if (((i*dump_width)+j)>=len)
115                                {
116                                BUF_strlcat(buf,"   ",sizeof buf);
117                                }
118                        else
119                                {
120                                ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
121                                BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch,
122                                        j==7?'-':' ');
123                                BUF_strlcat(buf,tmp,sizeof buf);
124                                }
125                        }
126                BUF_strlcat(buf,"  ",sizeof buf);
127                for(j=0;j<dump_width;j++)
128                        {
129                        if (((i*dump_width)+j)>=len)
130                                break;
131                        ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
132#ifndef CHARSET_EBCDIC
133                        BIO_snprintf(tmp,sizeof tmp,"%c",
134                                ((ch>=' ')&&(ch<='~'))?ch:'.');
135#else
136                        BIO_snprintf(tmp,sizeof tmp,"%c",
137                                ((ch>=os_toascii[' '])&&(ch<=os_toascii['~']))
138                                ? os_toebcdic[ch]
139                                : '.');
140#endif
141                        BUF_strlcat(buf,tmp,sizeof buf);
142                        }
143                BUF_strlcat(buf,"\n",sizeof buf);
144                /* if this is the last call then update the ddt_dump thing so
145                 * that we will move the selection point in the debug window
146                 */
147                ret+=cb((void *)buf,strlen(buf),u);
148                }
149#ifdef TRUNCATE
150        if (trc > 0)
151                {
152                BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str,
153                        len+trc);
154                ret+=cb((void *)buf,strlen(buf),u);
155                }
156#endif
157        return(ret);
158        }
159
160#ifndef OPENSSL_NO_FP_API
161static int write_fp(const void *data, size_t len, void *fp)
162        {
163        return UP_fwrite(data, len, 1, fp);
164        }
165int BIO_dump_fp(FILE *fp, const char *s, int len)
166        {
167        return BIO_dump_cb(write_fp, fp, s, len);
168        }
169int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
170        {
171        return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
172        }
173#endif
174
175static int write_bio(const void *data, size_t len, void *bp)
176        {
177        return BIO_write((BIO *)bp, (const char *)data, len);
178        }
179int BIO_dump(BIO *bp, const char *s, int len)
180        {
181        return BIO_dump_cb(write_bio, bp, s, len);
182        }
183int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
184        {
185        return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
186        }
187
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