-/* crypto/bio/bf_null.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2018 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 <errno.h>
-#include "cryptlib.h"
-#include <openssl/bio.h>
-#include <openssl/evp.h>
+#include "bio_lcl.h"
+#include "internal/cryptlib.h"
-/* BIO_put and BIO_get both add to the digest,
- * BIO_gets returns the digest */
+/*
+ * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
+ */
static int nullf_write(BIO *h, const char *buf, int num);
static int nullf_read(BIO *h, char *buf, int size);
static int nullf_puts(BIO *h, const char *str);
static int nullf_gets(BIO *h, char *str, int size);
static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int nullf_new(BIO *h);
-static int nullf_free(BIO *data);
-static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
-static BIO_METHOD methods_nullf=
- {
- BIO_TYPE_NULL_FILTER,
- "NULL filter",
- nullf_write,
- nullf_read,
- nullf_puts,
- nullf_gets,
- nullf_ctrl,
- nullf_new,
- nullf_free,
- nullf_callback_ctrl,
- };
-
-BIO_METHOD *BIO_f_null(void)
- {
- return(&methods_nullf);
- }
-
-static int nullf_new(BIO *bi)
- {
- bi->init=1;
- bi->ptr=NULL;
- bi->flags=0;
- return(1);
- }
+static long nullf_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
+static const BIO_METHOD methods_nullf = {
+ BIO_TYPE_NULL_FILTER,
+ "NULL filter",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
+ nullf_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
+ nullf_read,
+ nullf_puts,
+ nullf_gets,
+ nullf_ctrl,
+ NULL,
+ NULL,
+ nullf_callback_ctrl,
+};
+
+const BIO_METHOD *BIO_f_null(void)
+{
+ return &methods_nullf;
+}
-static int nullf_free(BIO *a)
- {
- if (a == NULL) return(0);
-/* a->ptr=NULL;
- a->init=0;
- a->flags=0;*/
- return(1);
- }
-
static int nullf_read(BIO *b, char *out, int outl)
- {
- int ret=0;
-
- if (out == NULL) return(0);
- if (b->next_bio == NULL) return(0);
- ret=BIO_read(b->next_bio,out,outl);
- BIO_clear_retry_flags(b);
- BIO_copy_next_retry(b);
- return(ret);
- }
+{
+ int ret = 0;
+
+ if (out == NULL)
+ return 0;
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_read(b->next_bio, out, outl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return ret;
+}
static int nullf_write(BIO *b, const char *in, int inl)
- {
- int ret=0;
-
- if ((in == NULL) || (inl <= 0)) return(0);
- if (b->next_bio == NULL) return(0);
- ret=BIO_write(b->next_bio,in,inl);
- BIO_clear_retry_flags(b);
- BIO_copy_next_retry(b);
- return(ret);
- }
+{
+ int ret = 0;
+
+ if ((in == NULL) || (inl <= 0))
+ return 0;
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_write(b->next_bio, in, inl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return ret;
+}
static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- long ret;
-
- if (b->next_bio == NULL) return(0);
- switch(cmd)
- {
- case BIO_C_DO_STATE_MACHINE:
- BIO_clear_retry_flags(b);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- BIO_copy_next_retry(b);
- break;
- case BIO_CTRL_DUP:
- ret=0L;
- break;
- default:
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- }
- return(ret);
- }
-
-static long nullf_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
- {
- long ret=1;
-
- if (b->next_bio == NULL) return(0);
- switch (cmd)
- {
- default:
- ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
- break;
- }
- return(ret);
- }
+{
+ long ret;
+
+ if (b->next_bio == NULL)
+ return 0;
+ switch (cmd) {
+ case BIO_C_DO_STATE_MACHINE:
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
+ case BIO_CTRL_DUP:
+ ret = 0L;
+ break;
+ default:
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ return ret;
+}
+
+static long nullf_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
+{
+ long ret = 1;
+
+ if (b->next_bio == NULL)
+ return 0;
+ switch (cmd) {
+ default:
+ ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+ break;
+ }
+ return ret;
+}
static int nullf_gets(BIO *bp, char *buf, int size)
- {
- if (bp->next_bio == NULL) return(0);
- return(BIO_gets(bp->next_bio,buf,size));
- }
-
+{
+ if (bp->next_bio == NULL)
+ return 0;
+ return BIO_gets(bp->next_bio, buf, size);
+}
static int nullf_puts(BIO *bp, const char *str)
- {
- if (bp->next_bio == NULL) return(0);
- return(BIO_puts(bp->next_bio,str));
- }
-
-
+{
+ if (bp->next_bio == NULL)
+ return 0;
+ return BIO_puts(bp->next_bio, str);
+}
projects / openssl.git / blobdiff