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* ModSecurity for Apache 2.x, http://www.modsecurity.org/
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* Copyright (c) 2004-2008 Breach Security, Inc. (http://www.breach.com/)
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* This product is released under the terms of the General Public Licence,
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* version 2 (GPLv2). Please refer to the file LICENSE (included with this
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* distribution) which contains the complete text of the licence.
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* There are special exceptions to the terms and conditions of the GPL
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* as it is applied to this software. View the full text of the exception in
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* file MODSECURITY_LICENSING_EXCEPTION in the directory of this software
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* If any of the files related to licensing are missing or if you have any
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* other questions related to licensing please contact Breach Security, Inc.
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* directly using the email address support@breach.com.
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#ifndef _MSC_MULTIPART_H_
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#define _MSC_MULTIPART_H_
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#define MULTIPART_BUF_SIZE 4096
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#define MULTIPART_FORMDATA 1
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#define MULTIPART_FILE 2
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typedef struct multipart_part multipart_part;
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typedef struct multipart_data multipart_data;
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#include "apr_general.h"
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#include "apr_tables.h"
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#include "modsecurity.h"
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typedef struct value_part_t value_part_t;
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struct multipart_part {
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/* part type, can be MULTIPART_FORMDATA or MULTIPART_FILE */
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/* variables only, variable value */
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apr_array_header_t *value_parts;
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/* files only, the content type (where available) */
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/* files only, the name of the temporary file holding data */
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unsigned int tmp_file_size;
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/* files only, filename as supplied by the browser */
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char *last_header_name;
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struct multipart_data {
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/* this array keeps parts */
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apr_array_header_t *parts;
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/* mime boundary used to detect when
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/* internal buffer and other variables
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char buf[MULTIPART_BUF_SIZE + 2];
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int buf_contains_line;
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unsigned int buf_offset;
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/* pointer that keeps track of a part while
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/* part parsing state; 0 means we are reading
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* headers, 1 means we are collecting data
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/* because of the way this parsing algorithm
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* works we hold back the last two bytes of
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* each data chunk so that we can discard it
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* later if the next data chunk proves to be
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* a boundary; the first byte is an indicator
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* 0 - no content, 1 - two data bytes available
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int flag_data_before;
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int flag_header_folding;
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int flag_boundary_quoted;
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int flag_unmatched_boundary;
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int flag_boundary_whitespace;
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int flag_missing_semicolon;
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int DSOLOCAL multipart_init(modsec_rec *msr, char **error_msg);
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int DSOLOCAL multipart_complete(modsec_rec *msr, char **error_msg);
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int DSOLOCAL multipart_process_chunk(modsec_rec *msr, const char *buf,
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unsigned int size, char **error_msg);
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apr_status_t DSOLOCAL multipart_cleanup(modsec_rec *msr);
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int DSOLOCAL multipart_get_arguments(modsec_rec *msr, char *origin, apr_table_t *arguments);
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char DSOLOCAL *multipart_reconstruct_urlencoded_body_sanitise(modsec_rec *msr);