Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | } |