mirror of
https://github.com/owasp-modsecurity/ModSecurity.git
synced 2025-08-14 13:56:01 +03:00
140 lines
4.3 KiB
C
140 lines
4.3 KiB
C
/*
|
|
* ModSecurity for Apache 2.x, http://www.modsecurity.org/
|
|
* Copyright (c) 2004-2009 Breach Security, Inc. (http://www.breach.com/)
|
|
*
|
|
* This product is released under the terms of the General Public Licence,
|
|
* version 2 (GPLv2). Please refer to the file LICENSE (included with this
|
|
* distribution) which contains the complete text of the licence.
|
|
*
|
|
* There are special exceptions to the terms and conditions of the GPL
|
|
* as it is applied to this software. View the full text of the exception in
|
|
* file MODSECURITY_LICENSING_EXCEPTION in the directory of this software
|
|
* distribution.
|
|
*
|
|
* If any of the files related to licensing are missing or if you have any
|
|
* other questions related to licensing please contact Breach Security, Inc.
|
|
* directly using the email address support@breach.com.
|
|
*
|
|
*/
|
|
#ifndef _MSC_MULTIPART_H_
|
|
#define _MSC_MULTIPART_H_
|
|
|
|
#define MULTIPART_BUF_SIZE 4096
|
|
|
|
#define MULTIPART_FORMDATA 1
|
|
#define MULTIPART_FILE 2
|
|
|
|
typedef struct multipart_part multipart_part;
|
|
typedef struct multipart_data multipart_data;
|
|
|
|
#include "apr_general.h"
|
|
#include "apr_tables.h"
|
|
#include "modsecurity.h"
|
|
|
|
typedef struct value_part_t value_part_t;
|
|
struct value_part_t {
|
|
char *data;
|
|
long int length;
|
|
};
|
|
|
|
struct multipart_part {
|
|
/* part type, can be MULTIPART_FORMDATA or MULTIPART_FILE */
|
|
int type;
|
|
/* the name */
|
|
char *name;
|
|
|
|
/* variables only, variable value */
|
|
char *value;
|
|
apr_array_header_t *value_parts;
|
|
|
|
/* files only, the content type (where available) */
|
|
char *content_type;
|
|
|
|
/* files only, the name of the temporary file holding data */
|
|
char *tmp_file_name;
|
|
int tmp_file_fd;
|
|
unsigned int tmp_file_size;
|
|
/* files only, filename as supplied by the browser */
|
|
char *filename;
|
|
|
|
char *last_header_name;
|
|
apr_table_t *headers;
|
|
|
|
unsigned int offset;
|
|
unsigned int length;
|
|
};
|
|
|
|
struct multipart_data {
|
|
/* this array keeps parts */
|
|
apr_array_header_t *parts;
|
|
|
|
/* mime boundary used to detect when
|
|
* parts end and begin
|
|
*/
|
|
char *boundary;
|
|
int boundary_count;
|
|
|
|
/* internal buffer and other variables
|
|
* used while parsing
|
|
*/
|
|
char buf[MULTIPART_BUF_SIZE + 2];
|
|
int buf_contains_line;
|
|
char *bufptr;
|
|
int bufleft;
|
|
|
|
unsigned int buf_offset;
|
|
|
|
/* pointer that keeps track of a part while
|
|
* it is being built
|
|
*/
|
|
multipart_part *mpp;
|
|
|
|
|
|
/* part parsing state; 0 means we are reading
|
|
* headers, 1 means we are collecting data
|
|
*/
|
|
int mpp_state;
|
|
|
|
/* because of the way this parsing algorithm
|
|
* works we hold back the last two bytes of
|
|
* each data chunk so that we can discard it
|
|
* later if the next data chunk proves to be
|
|
* a boundary; the first byte is an indicator
|
|
* 0 - no content, 1 - two data bytes available
|
|
*/
|
|
char reserve[4];
|
|
|
|
int seen_data;
|
|
int is_complete;
|
|
|
|
int flag_error;
|
|
int flag_data_before;
|
|
int flag_data_after;
|
|
int flag_header_folding;
|
|
int flag_boundary_quoted;
|
|
int flag_lf_line;
|
|
int flag_crlf_line;
|
|
int flag_unmatched_boundary;
|
|
int flag_boundary_whitespace;
|
|
int flag_missing_semicolon;
|
|
int flag_invalid_quoting;
|
|
};
|
|
|
|
|
|
/* Functions */
|
|
|
|
int DSOLOCAL multipart_init(modsec_rec *msr, char **error_msg);
|
|
|
|
int DSOLOCAL multipart_complete(modsec_rec *msr, char **error_msg);
|
|
|
|
int DSOLOCAL multipart_process_chunk(modsec_rec *msr, const char *buf,
|
|
unsigned int size, char **error_msg);
|
|
|
|
apr_status_t DSOLOCAL multipart_cleanup(modsec_rec *msr);
|
|
|
|
int DSOLOCAL multipart_get_arguments(modsec_rec *msr, char *origin, apr_table_t *arguments);
|
|
|
|
char DSOLOCAL *multipart_reconstruct_urlencoded_body_sanitize(modsec_rec *msr);
|
|
|
|
#endif
|