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htp
htp_decompressors.h
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/***************************************************************************
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* Copyright (c) 2009-2010 Open Information Security Foundation
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* Copyright (c) 2010-2013 Qualys, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - Neither the name of the Qualys, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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***************************************************************************/
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#ifndef _HTP_DECOMPRESSORS_H
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#define _HTP_DECOMPRESSORS_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#include <zlib.h>
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typedef
struct
htp_decompressor_gzip_t
htp_decompressor_gzip_t
;
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typedef
struct
htp_decompressor_t
htp_decompressor_t
;
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#define GZIP_BUF_SIZE 8192
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#define DEFLATE_MAGIC_1 0x1f
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#define DEFLATE_MAGIC_2 0x8b
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struct
htp_decompressor_t
{
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htp_status_t
(*
decompress
)(
htp_decompressor_t
*,
htp_tx_data_t
*);
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htp_status_t
(*
callback
)(
htp_tx_data_t
*);
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void (*
destroy
)(
htp_decompressor_t
*);
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};
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struct
htp_decompressor_gzip_t
{
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htp_decompressor_t
super
;
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#if 0
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int
initialized;
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#endif
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int
zlib_initialized
;
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uint8_t
header
[10];
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uint8_t
header_len
;
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z_stream
stream
;
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unsigned
char
*
buffer
;
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unsigned
long
crc
;
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};
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htp_decompressor_t
*
htp_gzip_decompressor_create
(
htp_connp_t
*connp,
enum
htp_content_encoding_t
format);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _HTP_DECOMPRESSORS_H */
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