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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 "cryptlib.h"
63#include "bio.h"
64#include "err.h"
65
66long MS_CALLBACK BIO_debug_callback(bio,cmd,argp,argi,argl,ret)
67BIO *bio;
68int cmd;
69char *argp;
70int argi;
71long argl;
72long ret;
73 {
74 BIO *b;
75 MS_STATIC char buf[256];
76 char *p;
77 long r=1;
78
79 if (BIO_CB_RETURN & cmd)
80 r=ret;
81
82 sprintf(buf,"BIO[%08lX]:",(unsigned long)bio);
83 p= &(buf[14]);
84 switch (cmd)
85 {
86 case BIO_CB_FREE:
87 sprintf(p,"Free - %s\n",bio->method->name);
88 break;
89 case BIO_CB_READ:
90 if (bio->method->type & BIO_TYPE_DESCRIPTOR)
91 sprintf(p,"read(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num);
92 else
93 sprintf(p,"read(%d,%d) - %s\n",bio->num,argi,bio->method->name);
94 break;
95 case BIO_CB_WRITE:
96 if (bio->method->type & BIO_TYPE_DESCRIPTOR)
97 sprintf(p,"write(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num);
98 else
99 sprintf(p,"write(%d,%d) - %s\n",bio->num,argi,bio->method->name);
100 break;
101 case BIO_CB_PUTS:
102 sprintf(p,"puts() - %s\n",bio->method->name);
103 break;
104 case BIO_CB_GETS:
105 sprintf(p,"gets(%d) - %s\n",argi,bio->method->name);
106 break;
107 case BIO_CB_CTRL:
108 sprintf(p,"ctrl(%d) - %s\n",argi,bio->method->name);
109 break;
110 case BIO_CB_RETURN|BIO_CB_READ:
111 sprintf(p,"read return %ld\n",ret);
112 break;
113 case BIO_CB_RETURN|BIO_CB_WRITE:
114 sprintf(p,"write return %ld\n",ret);
115 break;
116 case BIO_CB_RETURN|BIO_CB_GETS:
117 sprintf(p,"gets return %ld\n",ret);
118 break;
119 case BIO_CB_RETURN|BIO_CB_PUTS:
120 sprintf(p,"puts return %ld\n",ret);
121 break;
122 case BIO_CB_RETURN|BIO_CB_CTRL:
123 sprintf(p,"ctrl return %ld\n",ret);
124 break;
125 default:
126 sprintf(p,"bio callback - unknown type (%d)\n",cmd);
127 break;
128 }
129
130 b=(BIO *)bio->cb_arg;
131 if (b != NULL)
132 BIO_write(b,buf,strlen(buf));
133#if !defined(NO_STDIO) && !defined(WIN16)
134 else
135 fputs(buf,stderr);
136#endif
137 return(r);
138 }