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 <openssl/bio.h>
64 #include <openssl/err.h>
65
66 long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,
67 int argi, long argl, long ret)
68 {
69 BIO *b;
70 MS_STATIC char buf[256];
71 char *p;
72 long r=1;
73 size_t p_maxlen;
74
75 if (BIO_CB_RETURN & cmd)
76 r=ret;
77
78 BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);
79 p= &(buf[14]);
80 p_maxlen = sizeof buf - 14;
81 switch (cmd)
82 {
83 case BIO_CB_FREE:
84 BIO_snprintf(p,p_maxlen,"Free - %s\n",bio->method->name);
85 break;
86 case BIO_CB_READ:
87 if (bio->method->type & BIO_TYPE_DESCRIPTOR)
88 BIO_snprintf(p,p_maxlen,"read(%d,%lu) - %s fd=%d\n",
89 bio->num,(unsigned long)argi,
90 bio->method->name,bio->num);
91 else
92 BIO_snprintf(p,p_maxlen,"read(%d,%lu) - %s\n",
93 bio->num,(unsigned long)argi,
94 bio->method->name);
95 break;
96 case BIO_CB_WRITE:
97 if (bio->method->type & BIO_TYPE_DESCRIPTOR)
98 BIO_snprintf(p,p_maxlen,"write(%d,%lu) - %s fd=%d\n",
99 bio->num,(unsigned long)argi,
100 bio->method->name,bio->num);
101 else
102 BIO_snprintf(p,p_maxlen,"write(%d,%lu) - %s\n",
103 bio->num,(unsigned long)argi,
104 bio->method->name);
105 break;
106 case BIO_CB_PUTS:
107 BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name);
108 break;
109 case BIO_CB_GETS:
110 BIO_snprintf(p,p_maxlen,"gets(%lu) - %s\n",(unsigned long)argi,bio->method->name);
111 break;
112 case BIO_CB_CTRL:
113 BIO_snprintf(p,p_maxlen,"ctrl(%lu) - %s\n",(unsigned long)argi,bio->method->name);
114 break;
115 case BIO_CB_RETURN|BIO_CB_READ:
116 BIO_snprintf(p,p_maxlen,"read return %ld\n",ret);
117 break;
118 case BIO_CB_RETURN|BIO_CB_WRITE:
119 BIO_snprintf(p,p_maxlen,"write return %ld\n",ret);
120 break;
121 case BIO_CB_RETURN|BIO_CB_GETS:
122 BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret);
123 break;
124 case BIO_CB_RETURN|BIO_CB_PUTS:
125 BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret);
126 break;
127 case BIO_CB_RETURN|BIO_CB_CTRL:
128 BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret);
129 break;
130 default:
131 BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd);
132 break;
133 }
134
135 b=(BIO *)bio->cb_arg;
136 if (b != NULL)
137 BIO_write(b,buf,strlen(buf));
138 #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
139 else
140 fputs(buf,stderr);
141 #endif
142 return(r);
143 }