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d02b48c6 | 1 | /* crypto/bio/bio_cb.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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" | |
ec577822 BM |
63 | #include <openssl/bio.h> |
64 | #include <openssl/err.h> | |
d02b48c6 | 65 | |
6d23cf97 | 66 | long BIO_debug_callback(BIO *bio, int cmd, const char *argp, |
0f113f3e MC |
67 | int argi, long argl, long ret) |
68 | { | |
69 | BIO *b; | |
68b00c23 | 70 | char buf[256]; |
0f113f3e MC |
71 | char *p; |
72 | long r = 1; | |
73 | size_t p_maxlen; | |
d02b48c6 | 74 | |
0f113f3e MC |
75 | if (BIO_CB_RETURN & cmd) |
76 | r = ret; | |
d02b48c6 | 77 | |
0f113f3e MC |
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 | case BIO_CB_FREE: | |
83 | BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name); | |
84 | break; | |
85 | case BIO_CB_READ: | |
86 | if (bio->method->type & BIO_TYPE_DESCRIPTOR) | |
87 | BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n", | |
88 | bio->num, (unsigned long)argi, | |
89 | bio->method->name, bio->num); | |
90 | else | |
91 | BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n", | |
92 | bio->num, (unsigned long)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,%lu) - %s fd=%d\n", | |
97 | bio->num, (unsigned long)argi, | |
98 | bio->method->name, bio->num); | |
99 | else | |
100 | BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n", | |
101 | bio->num, (unsigned long)argi, bio->method->name); | |
102 | break; | |
103 | case BIO_CB_PUTS: | |
104 | BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name); | |
105 | break; | |
106 | case BIO_CB_GETS: | |
107 | BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi, | |
108 | bio->method->name); | |
109 | break; | |
110 | case BIO_CB_CTRL: | |
111 | BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi, | |
112 | 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 | } | |
d02b48c6 | 133 | |
0f113f3e MC |
134 | b = (BIO *)bio->cb_arg; |
135 | if (b != NULL) | |
136 | BIO_write(b, buf, strlen(buf)); | |
6d23cf97 | 137 | #if !defined(OPENSSL_NO_STDIO) |
0f113f3e MC |
138 | else |
139 | fputs(buf, stderr); | |
d02b48c6 | 140 | #endif |
0f113f3e MC |
141 | return (r); |
142 | } |