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
BIO_debug_callback(BIO * bio,int cmd,const char * argp,int argi,long argl,long ret)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,%d) - %s fd=%d\n",
89 bio->num,argi,bio->method->name,bio->num);
90 else
91 BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s\n",
92 bio->num,argi,bio->method->name);
93 break;
94 case BIO_CB_WRITE:
95 if (bio->method->type & BIO_TYPE_DESCRIPTOR)
96 BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%d\n",
97 bio->num,argi,bio->method->name,bio->num);
98 else
99 BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s\n",
100 bio->num,argi,bio->method->name);
101 break;
102 case BIO_CB_PUTS:
103 BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name);
104 break;
105 case BIO_CB_GETS:
106 BIO_snprintf(p,p_maxlen,"gets(%d) - %s\n",argi,bio->method->name);
107 break;
108 case BIO_CB_CTRL:
109 BIO_snprintf(p,p_maxlen,"ctrl(%d) - %s\n",argi,bio->method->name);
110 break;
111 case BIO_CB_RETURN|BIO_CB_READ:
112 BIO_snprintf(p,p_maxlen,"read return %ld\n",ret);
113 break;
114 case BIO_CB_RETURN|BIO_CB_WRITE:
115 BIO_snprintf(p,p_maxlen,"write return %ld\n",ret);
116 break;
117 case BIO_CB_RETURN|BIO_CB_GETS:
118 BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret);
119 break;
120 case BIO_CB_RETURN|BIO_CB_PUTS:
121 BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret);
122 break;
123 case BIO_CB_RETURN|BIO_CB_CTRL:
124 BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret);
125 break;
126 default:
127 BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd);
128 break;
129 }
130
131 b=(BIO *)bio->cb_arg;
132 if (b != NULL)
133 BIO_write(b,buf,strlen(buf));
134 #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
135 else
136 fputs(buf,stderr);
137 #endif
138 return(r);
139 }
140