denyhosts/clamav/libclamav/apm.h

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/*
* Copyright (C) 2014-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* Authors: Kevin Lin <klin@sourcefire.com>
*
* 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 __APM_H
#define __APM_H
#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
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#include "clamav.h"
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#include "others.h"
#define APM_FALLBACK_SECTOR_SIZE 512
#define APM_PTABLE_BLOCK 1
#define APM_STRUCT_SIZE 512
#define DDM_SIGNATURE 0x4552 /* driver description signature ('ER') */
#define APM_SIGNATURE 0x504D /* partition map signature ('PM') */
/* partition flags */
#define VALID 0x00000001
#define ALLOCATED 0x00000002
#define IN_USE 0x00000004
#define BOOTABLE 0x00000008
#define READABLE 0x00000010
#define WRITEABLE 0x00000020
#define POSINDEPENDENT 0x00000040
/* end of partition flags */
#ifndef HAVE_ATTRIB_PACKED
#define __attribute__(x)
#endif
#ifdef HAVE_PRAGMA_PACK
#pragma pack(1)
#endif
#ifdef HAVE_PRAGMA_PACK_HPPA
#pragma pack 1
#endif
/* 8-byte driver description entry for ddmap, big endian */
struct apm_driver_desc_entry {
uint32_t block __attribute__((packed));
uint16_t size __attribute__((packed));
uint16_t type __attribute__((packed));
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}; // NOTE may need to be renamed
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/* 512(82)-byte driver descriptor map (Block0), big endian */
struct apm_driver_desc_map {
uint16_t signature __attribute__((packed));
uint16_t blockSize __attribute__((packed));
uint32_t blockCount __attribute__((packed));
uint16_t deviceType __attribute__((packed));
uint16_t deviceID __attribute__((packed));
uint32_t driverData __attribute__((packed));
uint16_t driverCount __attribute__((packed));
struct apm_driver_desc_entry driverTable[8];
/* zeroes fill remainder of sector (430 bytes in 512 sector size) */
};
/* 512(136)-byte partition info, big endian;
* both the partition table and the individual partitions use this
* struct to describe their details
*/
struct apm_partition_info {
uint16_t signature __attribute__((packed));
uint16_t reserved __attribute__((packed));
uint32_t numPartitions __attribute__((packed));
uint32_t pBlockStart __attribute__((packed));
uint32_t pBlockCount __attribute__((packed));
uint8_t name[32];
uint8_t type[32];
uint32_t lBlockStart __attribute__((packed));
uint32_t lBlockCount __attribute__((packed));
uint32_t flags __attribute__((packed));
uint32_t bootBlockStart __attribute__((packed));
uint32_t bootSize __attribute__((packed));
uint32_t bootAddr __attribute__((packed));
uint32_t bootAddr2 __attribute__((packed));
uint32_t bootEntry __attribute__((packed));
uint32_t bootEntry2 __attribute__((packed));
uint32_t bootChecksum __attribute__((packed));
uint8_t processor[16];
/* zeroes fill remainder of sector (376 bytes in 512 sector size) */
};
#ifdef HAVE_PRAGMA_PACK
#pragma pack()
#endif
#ifdef HAVE_PRAGMA_PACK_HPPA
#pragma pack
#endif
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cl_error_t cli_scanapm(cli_ctx *ctx);
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#endif