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