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/***************************************************************************
* Copyright (c) 2009-2010 Open Information Security Foundation
* Copyright (c) 2010-2013 Qualys, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - Neither the name of the Qualys, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* HOLDER 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.
***************************************************************************/
/**
* @file
* @author Ivan Ristic <ivanr@webkreator.com>
*/
#ifndef _HTP_URLENCODED_H
#define _HTP_URLENCODED_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct htp_urlenp_t htp_urlenp_t;
typedef struct htp_urlen_param_t htp_urlen_param_t;
#define HTP_URLENP_DEFAULT_PARAMS_SIZE 32
#define HTP_URLENP_STATE_KEY 1
#define HTP_URLENP_STATE_VALUE 2
// The MIME type that triggers the parser. Must be lowercase.
#define HTP_URLENCODED_MIME_TYPE "application/x-www-form-urlencoded"
#include "htp.h"
/**
* This is the main URLENCODED parser structure. It is used to store
* parser configuration, temporary parsing data, as well as the parameters.
*/
struct htp_urlenp_t {
/** The transaction this parser belongs to. */
htp_tx_t *tx;
/** The character used to separate parameters. Defaults to & and should
* not be changed without good reason.
*/
unsigned char argument_separator;
/** Whether to perform URL-decoding on parameters. */
int decode_url_encoding;
/** This table contains the list of parameters, indexed by name. */
htp_table_t *params;
// Private fields; these are used during the parsing process only
int _state;
int _complete;
bstr *_name;
bstr_builder_t *_bb;
};
/**
* Holds one application/x-www-form-urlencoded parameter.
*/
struct htp_urlen_param_t {
/** Parameter name. */
bstr *name;
/** Parameter value. */
bstr *value;
};
htp_urlenp_t *htp_urlenp_create(htp_tx_t *tx);
void htp_urlenp_destroy(htp_urlenp_t *urlenp);
void htp_urlenp_set_argument_separator(htp_urlenp_t *urlenp, unsigned char argument_separator);
void htp_urlenp_set_decode_url_encoding(htp_urlenp_t *urlenp, int decode_url_encoding);
htp_status_t htp_urlenp_parse_partial(htp_urlenp_t *urlenp, const void *data, size_t len);
htp_status_t htp_urlenp_parse_complete(htp_urlenp_t *urlenp, const void *data, size_t len);
htp_status_t htp_urlenp_finalize(htp_urlenp_t *urlenp);
#ifdef __cplusplus
}
#endif
#endif /* _HTP_URLENCODED_H */
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