-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+#include "bio_lcl.h"
#include "internal/cryptlib.h"
-#include <openssl/bio.h>
#include <openssl/err.h>
long BIO_debug_callback(BIO *bio, int cmd, const char *argp,
char buf[256];
char *p;
long r = 1;
- int len;
- size_t p_maxlen;
+ int len, left;
if (BIO_CB_RETURN & cmd)
r = ret;
- len = BIO_snprintf(buf,sizeof buf,"BIO[%p]: ",(void *)bio);
+ len = BIO_snprintf(buf, sizeof(buf), "BIO[%p]: ", (void *)bio);
+ /* Ignore errors and continue printing the other information. */
+ if (len < 0)
+ len = 0;
p = buf + len;
- p_maxlen = sizeof(buf) - len;
+ left = sizeof(buf) - len;
switch (cmd) {
case BIO_CB_FREE:
- BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
+ BIO_snprintf(p, left, "Free - %s\n", bio->method->name);
break;
case BIO_CB_READ:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
- BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n",
+ BIO_snprintf(p, left, "read(%d,%lu) - %s fd=%d\n",
bio->num, (unsigned long)argi,
bio->method->name, bio->num);
else
- BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
- bio->num, (unsigned long)argi, bio->method->name);
+ BIO_snprintf(p, left, "read(%d,%lu) - %s\n",
+ bio->num, (unsigned long)argi, bio->method->name);
break;
case BIO_CB_WRITE:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
- BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s fd=%d\n",
+ BIO_snprintf(p, left, "write(%d,%lu) - %s fd=%d\n",
bio->num, (unsigned long)argi,
bio->method->name, bio->num);
else
- BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
+ BIO_snprintf(p, left, "write(%d,%lu) - %s\n",
bio->num, (unsigned long)argi, bio->method->name);
break;
case BIO_CB_PUTS:
- BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name);
+ BIO_snprintf(p, left, "puts() - %s\n", bio->method->name);
break;
case BIO_CB_GETS:
- BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi,
+ BIO_snprintf(p, left, "gets(%lu) - %s\n", (unsigned long)argi,
bio->method->name);
break;
case BIO_CB_CTRL:
- BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi,
+ BIO_snprintf(p, left, "ctrl(%lu) - %s\n", (unsigned long)argi,
bio->method->name);
break;
case BIO_CB_RETURN | BIO_CB_READ:
- BIO_snprintf(p, p_maxlen, "read return %ld\n", ret);
+ BIO_snprintf(p, left, "read return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_WRITE:
- BIO_snprintf(p, p_maxlen, "write return %ld\n", ret);
+ BIO_snprintf(p, left, "write return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_GETS:
- BIO_snprintf(p, p_maxlen, "gets return %ld\n", ret);
+ BIO_snprintf(p, left, "gets return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_PUTS:
- BIO_snprintf(p, p_maxlen, "puts return %ld\n", ret);
+ BIO_snprintf(p, left, "puts return %ld\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_CTRL:
- BIO_snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
+ BIO_snprintf(p, left, "ctrl return %ld\n", ret);
break;
default:
- BIO_snprintf(p, p_maxlen, "bio callback - unknown type (%d)\n", cmd);
+ BIO_snprintf(p, left, "bio callback - unknown type (%d)\n", cmd);
break;
}
else
fputs(buf, stderr);
#endif
- return (r);
+ return r;
}
projects / openssl.git / blobdiff