denyhosts/clamav/libclamav/msxml_parser.h

94 lines
2.5 KiB
C

/*
* Extract component parts of various MS XML files (e.g. MS Office 2003 XML Documents)
*
* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2007-2013 Sourcefire, Inc.
*
* Authors: Kevin Lin
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __MSXML_PARSER_H
#define __MSXML_PARSER_H
#if HAVE_LIBXML2
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#include "others.h"
#ifdef _WIN32
#ifndef LIBXML_WRITER_ENABLED
#define LIBXML_WRITER_ENABLED 1
#endif
#endif
#include <libxml/xmlreader.h>
#define MSXML_RECLEVEL_MAX 20
#define MSXML_JSON_STRLEN_MAX 128
/* reader usage flags */
#define MSXML_FLAG_JSON 0x1
#define MSXML_FLAG_WALK 0x2
struct msxml_ictx;
struct attrib_entry {
const char *key;
const char *value;
};
struct key_entry {
/* how */
#define MSXML_IGNORE 0x0
#define MSXML_IGNORE_ELEM 0x1
#define MSXML_SCAN_CB 0x2
#define MSXML_SCAN_B64 0x4
#define MSXML_COMMENT_CB 0x8
/* where */
#define MSXML_JSON_ROOT 0x10
#define MSXML_JSON_WRKPTR 0x20
#define MSXML_JSON_MULTI 0x40
#define MSXML_JSON_TRACK (MSXML_JSON_ROOT | MSXML_JSON_WRKPTR)
/* what */
#define MSXML_JSON_COUNT 0x100
#define MSXML_JSON_VALUE 0x200
#define MSXML_JSON_ATTRIB 0x400
const char *key;
const char *name;
uint32_t type;
};
typedef cl_error_t (*msxml_scan_cb)(int fd, const char *filepath, cli_ctx *ctx, int num_attribs, struct attrib_entry *attribs, void *cbdata);
typedef cl_error_t (*msxml_comment_cb)(const char *comment, cli_ctx *ctx, void *wrkjobj, void *cbdata);
struct msxml_ctx {
msxml_scan_cb scan_cb;
void *scan_data;
msxml_comment_cb comment_cb;
void *comment_data;
struct msxml_ictx *ictx;
};
cl_error_t cli_msxml_parse_document(cli_ctx *ctx, xmlTextReaderPtr reader, const struct key_entry *keys, const size_t num_keys, uint32_t flags, struct msxml_ctx *mxctx);
#endif /* HAVE_LIBXML2 */
#endif /* __MSXML_PARSER_H */