bio_cb.c
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- /* crypto/bio/bio_cb.c */
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
- #include <stdio.h>
- #include <string.h>
- #include <stdlib.h>
- #include "cryptlib.h"
- #include <openssl/bio.h>
- #include <openssl/err.h>
- long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,
- int argi, long argl, long ret)
- {
- BIO *b;
- MS_STATIC char buf[256];
- char *p;
- long r=1;
- size_t p_maxlen;
- if (BIO_CB_RETURN & cmd)
- r=ret;
- BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);
- p= &(buf[14]);
- p_maxlen = sizeof buf - 14;
- switch (cmd)
- {
- case BIO_CB_FREE:
- BIO_snprintf(p,p_maxlen,"Free - %sn",bio->method->name);
- break;
- case BIO_CB_READ:
- if (bio->method->type & BIO_TYPE_DESCRIPTOR)
- BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s fd=%dn",
- bio->num,argi,bio->method->name,bio->num);
- else
- BIO_snprintf(p,p_maxlen,"read(%d,%d) - %sn",
- bio->num,argi,bio->method->name);
- break;
- case BIO_CB_WRITE:
- if (bio->method->type & BIO_TYPE_DESCRIPTOR)
- BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%dn",
- bio->num,argi,bio->method->name,bio->num);
- else
- BIO_snprintf(p,p_maxlen,"write(%d,%d) - %sn",
- bio->num,argi,bio->method->name);
- break;
- case BIO_CB_PUTS:
- BIO_snprintf(p,p_maxlen,"puts() - %sn",bio->method->name);
- break;
- case BIO_CB_GETS:
- BIO_snprintf(p,p_maxlen,"gets(%d) - %sn",argi,bio->method->name);
- break;
- case BIO_CB_CTRL:
- BIO_snprintf(p,p_maxlen,"ctrl(%d) - %sn",argi,bio->method->name);
- break;
- case BIO_CB_RETURN|BIO_CB_READ:
- BIO_snprintf(p,p_maxlen,"read return %ldn",ret);
- break;
- case BIO_CB_RETURN|BIO_CB_WRITE:
- BIO_snprintf(p,p_maxlen,"write return %ldn",ret);
- break;
- case BIO_CB_RETURN|BIO_CB_GETS:
- BIO_snprintf(p,p_maxlen,"gets return %ldn",ret);
- break;
- case BIO_CB_RETURN|BIO_CB_PUTS:
- BIO_snprintf(p,p_maxlen,"puts return %ldn",ret);
- break;
- case BIO_CB_RETURN|BIO_CB_CTRL:
- BIO_snprintf(p,p_maxlen,"ctrl return %ldn",ret);
- break;
- default:
- BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)n",cmd);
- break;
- }
- b=(BIO *)bio->cb_arg;
- if (b != NULL)
- BIO_write(b,buf,strlen(buf));
- #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
- else
- fputs(buf,stderr);
- #endif
- return(r);
- }