source: trunk/sys/libcrypto/bio_cb.c @ 196

Last change on this file since 196 was 1, checked in by alain, 8 years ago

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1/* crypto/bio/bio_cb.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#include <stdio.h>
60#include <string.h>
61#include <stdlib.h>
62#include <openssl/cryptlib.h>
63#include <openssl/bio.h>
64#include <openssl/err.h>
65
66#define MS_CALLBACK
67#define MS_STATIC
68
69long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,
70             int argi, long argl, long ret)
71        {
72        BIO *b;
73        MS_STATIC char buf[256];
74        char *p;
75        long r=1;
76        size_t p_maxlen;
77
78        if (BIO_CB_RETURN & cmd)
79                r=ret;
80
81        BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);
82        p= &(buf[14]);
83        p_maxlen = sizeof buf - 14;
84        switch (cmd)
85                {
86        case BIO_CB_FREE:
87                BIO_snprintf(p,p_maxlen,"Free - %s\n",bio->method->name);
88                break;
89        case BIO_CB_READ:
90                if (bio->method->type & BIO_TYPE_DESCRIPTOR)
91                        BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s fd=%d\n",
92                                 bio->num,argi,bio->method->name,bio->num);
93                else
94                        BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s\n",
95                                 bio->num,argi,bio->method->name);
96                break;
97        case BIO_CB_WRITE:
98                if (bio->method->type & BIO_TYPE_DESCRIPTOR)
99                        BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%d\n",
100                                 bio->num,argi,bio->method->name,bio->num);
101                else
102                        BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s\n",
103                                 bio->num,argi,bio->method->name);
104                break;
105        case BIO_CB_PUTS:
106                BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name);
107                break;
108        case BIO_CB_GETS:
109                BIO_snprintf(p,p_maxlen,"gets(%d) - %s\n",argi,bio->method->name);
110                break;
111        case BIO_CB_CTRL:
112                BIO_snprintf(p,p_maxlen,"ctrl(%d) - %s\n",argi,bio->method->name);
113                break;
114        case BIO_CB_RETURN|BIO_CB_READ:
115                BIO_snprintf(p,p_maxlen,"read return %ld\n",ret);
116                break;
117        case BIO_CB_RETURN|BIO_CB_WRITE:
118                BIO_snprintf(p,p_maxlen,"write return %ld\n",ret);
119                break;
120        case BIO_CB_RETURN|BIO_CB_GETS:
121                BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret);
122                break;
123        case BIO_CB_RETURN|BIO_CB_PUTS:
124                BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret);
125                break;
126        case BIO_CB_RETURN|BIO_CB_CTRL:
127                BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret);
128                break;
129        default:
130                BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd);
131                break;
132                }
133
134        b=(BIO *)bio->cb_arg;
135        if (b != NULL)
136                BIO_write(b,buf,strlen(buf));
137#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
138        else
139                fputs(buf,stderr);
140#endif
141        return(r);
142        }
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