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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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100
crypto/bio/bf_lbuf.c
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@@ -1,16 +1,65 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* crypto/bio/bf_buff.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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
* 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 <errno.h>
#include "bio_lcl.h"
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include <openssl/bio.h>
#include <openssl/evp.h>
static int linebuffer_write(BIO *h, const char *buf, int num);
@@ -27,7 +76,7 @@ static long linebuffer_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
/* #define DEBUG */
static const BIO_METHOD methods_linebuffer = {
static BIO_METHOD methods_linebuffer = {
BIO_TYPE_LINEBUFFER,
"linebuffer",
linebuffer_write,
@@ -40,7 +89,7 @@ static const BIO_METHOD methods_linebuffer = {
linebuffer_callback_ctrl,
};
const BIO_METHOD *BIO_f_linebuffer(void)
BIO_METHOD *BIO_f_linebuffer(void)
{
return (&methods_linebuffer);
}
@@ -55,10 +104,10 @@ static int linebuffer_new(BIO *bi)
{
BIO_LINEBUFFER_CTX *ctx;
ctx = OPENSSL_malloc(sizeof(*ctx));
ctx = (BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
if (ctx == NULL)
return (0);
ctx->obuf = OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
ctx->obuf = (char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
if (ctx->obuf == NULL) {
OPENSSL_free(ctx);
return (0);
@@ -79,7 +128,8 @@ static int linebuffer_free(BIO *a)
if (a == NULL)
return (0);
b = (BIO_LINEBUFFER_CTX *)a->ptr;
OPENSSL_free(b->obuf);
if (b->obuf != NULL)
OPENSSL_free(b->obuf);
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
@@ -148,16 +198,25 @@ static int linebuffer_write(BIO *b, const char *in, int inl)
num += i;
}
}
#if 0
BIO_write(b->next_bio, "<*<", 3);
#endif
i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
if (i <= 0) {
ctx->obuf_len = orig_olen;
BIO_copy_next_retry(b);
#if 0
BIO_write(b->next_bio, ">*>", 3);
#endif
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return (num);
}
#if 0
BIO_write(b->next_bio, ">*>", 3);
#endif
if (i < ctx->obuf_len)
memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
ctx->obuf_len -= i;
@@ -168,14 +227,23 @@ static int linebuffer_write(BIO *b, const char *in, int inl)
* if a NL was found and there is anything to write.
*/
if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
#if 0
BIO_write(b->next_bio, "<*<", 3);
#endif
i = BIO_write(b->next_bio, in, p - in);
if (i <= 0) {
BIO_copy_next_retry(b);
#if 0
BIO_write(b->next_bio, ">*>", 3);
#endif
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return (num);
}
#if 0
BIO_write(b->next_bio, ">*>", 3);
#endif
num += i;
in += i;
inl -= i;
@@ -228,7 +296,7 @@ static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
obs = (int)num;
p = ctx->obuf;
if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
p = OPENSSL_malloc((int)num);
p = (char *)OPENSSL_malloc((int)num);
if (p == NULL)
goto malloc_error;
}
@@ -262,6 +330,9 @@ static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
BIO_clear_retry_flags(b);
if (ctx->obuf_len > 0) {
r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
#if 0
fprintf(stderr, "FLUSH %3d -> %3d\n", ctx->obuf_len, r);
#endif
BIO_copy_next_retry(b);
if (r <= 0)
return ((long)r);
@@ -270,6 +341,7 @@ static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
ctx->obuf_len -= r;
} else {
ctx->obuf_len = 0;
ret = 1;
break;
}
}