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src/luks_struct.h: move struct from src/luks.h to this new file

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This commit is contained in:
Christophe Grenier 2021-02-24 08:14:52 +01:00
parent ecea5652b0
commit 3b8f8f35d2
4 changed files with 101 additions and 41 deletions
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4
src/Makefile.am
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@ -42,7 +42,7 @@ base_C = $(smallbase_C) autoset.c ewf.c fnctdsk.c hdaccess.c hdcache.c hdwin32
base_H = $(smallbase_H) alignio.h autoset.h ewf.h fnctdsk.h hdaccess.h hdwin32.h hidden.h guid_cmp.h guid_cpy.h hdcache.h hpa_dco.h intrf.h iso.h iso9660.h lang.h list.h list_sort.h log_part.h types.h io_redir.h msdos.h ntfs_utl.h parti386.h partgpt.h parthumax.h partmac.h partsun.h partxbox.h partauto.h sudo.h unicode.h win32.h
fs_C = analyse.c bfs.c bsd.c btrfs.c cramfs.c exfat.c ext2.c fat.c fatx.c f2fs.c jfs.c gfs2.c hfs.c hfsp.c hpfs.c luks.c lvm.c md.c netware.c ntfs.c refs.c rfs.c savehdr.c sun.c swap.c sysv.c ufs.c vmfs.c wbfs.c xfs.c zfs.c
fs_H = analyse.h bfs.h bsd.h btrfs.h cramfs.h exfat.h ext2.h fat.h fatx.h f2fs.h f2fs_fs.h jfs_superblock.h jfs.h gfs2.h hfs.h hfsp.h hpfs.h hfsp_struct.h luks.h lvm.h md.h netware.h ntfs.h ntfs_struct.h refs.h rfs.h savehdr.h sun.h swap.h sysv.h ufs.h vmfs.h wbfs.h xfs.h zfs.h
fs_H = analyse.h bfs.h bsd.h btrfs.h cramfs.h exfat.h ext2.h fat.h fatx.h f2fs.h f2fs_fs.h jfs_superblock.h jfs.h gfs2.h hfs.h hfsp.h hpfs.h hfsp_struct.h luks.h luks_struct.h lvm.h md.h netware.h ntfs.h ntfs_struct.h refs.h rfs.h savehdr.h sun.h swap.h sysv.h ufs.h vmfs.h wbfs.h xfs.h zfs.h
testdisk_ncurses_C = addpart.c addpartn.c adv.c askloc.c chgarch.c chgarchn.c chgtype.c chgtypen.c dimage.c dirn.c dirpart.c diskacc.c diskcapa.c edit.c ext2_sb.c ext2_sbn.c fat1x.c fat32.c fat_adv.c fat_cluster.c fatn.c geometry.c geometryn.c godmode.c hiddenn.c intrface.c intrfn.c nodisk.c ntfs_adv.c ntfs_fix.c ntfs_udl.c parti386n.c partgptn.c partmacn.c partsunn.c partxboxn.c tanalyse.c tbanner.c tdelete.c tdiskop.c tdisksel.c testdisk.c texfat.c thfs.c tload.c tlog.c tmbrcode.c tntfs.c toptions.c tpartwr.c
testdisk_ncurses_H = addpart.h addpartn.h adv.h askloc.h chgarch.h chgarchn.h chgtype.h chgtypen.h dimage.h dirn.h dirpart.h diskacc.h diskcapa.h edit.h ext2_sb.h ext2_sbn.h fat1x.h fat32.h fat_adv.h fat_cluster.h fatn.h geometry.h geometryn.h godmode.h hiddenn.h intrface.h intrfn.h nodisk.h ntfs_adv.h ntfs_fix.h ntfs_udl.h partgptn.h parti386n.h partmacn.h partsunn.h partxboxn.h tanalyse.h tdelete.h tdiskop.h tdisksel.h texfat.h thfs.h tload.h tlog.h tmbrcode.h tntfs.h toptions.h tpartwr.h
@ -389,7 +389,7 @@ file_C = filegen.c \
file_zip.c \
file_zpr.c
file_H = ext2.h hfsp_struct.h filegen.h file_doc.h file_jpg.h file_gz.h file_sp3.h file_tar.h file_tiff.h file_txt.h ntfs_struct.h ole.h pe.h suspend.h
file_H = ext2.h hfsp_struct.h filegen.h file_doc.h file_jpg.h file_gz.h file_sp3.h file_tar.h file_tiff.h file_txt.h luks_struct.h ntfs_struct.h ole.h pe.h suspend.h
photorec_C = photorec.c phcfg.c addpart.c chgarch.c chgtype.c dir.c exfatp.c ext2grp.c ext2_dir.c ext2p.c fat_dir.c fatp.c file_found.c geometry.c ntfs_dir.c ntfsp.c pdisksel.c poptions.c sessionp.c dfxml.c partgptro.c

24
src/file_luks.c
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@ -32,8 +32,9 @@
#include "types.h"
#include "filegen.h"
#include "common.h"
#include "luks.h"
#include "luks_struct.h"
/*@ requires \valid(file_stat); */
static void register_header_check_luks(file_stat_t *file_stat);
const file_hint_t file_hint_luks= {
@ -45,14 +46,22 @@ const file_hint_t file_hint_luks= {
.register_header_check=&register_header_check_luks
};
static const unsigned char luks_header[6]= {
'L' , 'U' , 'K' , 'S' , 0xba, 0xbe
};
/*@
@ requires buffer_size >= sizeof(struct luks_phdr);
@ requires \valid_read(buffer+(0..buffer_size-1));
@ requires valid_file_recovery(file_recovery);
@ requires \valid(file_recovery_new);
@ requires file_recovery_new->blocksize > 0;
@ requires separation: \separated(&file_hint_luks, buffer+(..), file_recovery, file_recovery_new);
@ ensures \result == 0 || \result == 1;
@ ensures \result!=0 ==> valid_file_recovery(file_recovery_new);
@ assigns *file_recovery_new;
@*/
static int header_check_luks(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
const struct luks_phdr *hdr=(const struct luks_phdr *)buffer;
if(be16(hdr->version)<1 || be16(hdr->version)>2)
const unsigned int version=be16(hdr->version);
if(version<1 || version>2)
return 0;
if(!isalpha(hdr->cipherName[0]))
return 0;
@ -64,6 +73,9 @@ static int header_check_luks(const unsigned char *buffer, const unsigned int buf
static void register_header_check_luks(file_stat_t *file_stat)
{
static const unsigned char luks_header[6]= {
'L' , 'U' , 'K' , 'S' , 0xba, 0xbe
};
register_header_check(0, luks_header, sizeof(luks_header), &header_check_luks, file_stat);
}
#endif

49
src/luks.h
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@ -22,44 +22,27 @@
*/
#ifndef _LUKS_H
#define _LUKS_H
#include "luks_struct.h"
#ifdef __cplusplus
extern "C" {
#endif
#define LUKS_CIPHERNAME_L 32
#define LUKS_CIPHERMODE_L 32
#define LUKS_HASHSPEC_L 32
#define LUKS_DIGESTSIZE 20
#define LUKS_SALTSIZE 32
#define LUKS_NUMKEYS 8
#define LUKS_MAGIC_L 6
#define UUID_STRING_L 40
typedef struct luks_keyslot luks_keyslot_t;
struct luks_keyslot {
uint32_t active;
uint32_t passwordIterations;
uint8_t passwordSalt[LUKS_SALTSIZE];
uint32_t keyMaterialOffset;
uint32_t stripes;
};
struct luks_phdr {
uint8_t magic[LUKS_MAGIC_L];
uint16_t version;
uint8_t cipherName[LUKS_CIPHERNAME_L];
uint8_t cipherMode[LUKS_CIPHERMODE_L];
uint8_t hashSpec[LUKS_HASHSPEC_L];
uint32_t payloadOffset;
uint32_t keyBytes;
uint8_t mkDigest[LUKS_DIGESTSIZE];
uint8_t mkDigestSalt[LUKS_SALTSIZE];
uint32_t mkDigestIterations;
uint8_t uuid[UUID_STRING_L];
luks_keyslot_t keyslot[LUKS_NUMKEYS];
};
/*@
@ requires \valid(disk_car);
@ requires valid_disk(disk_car);
@ requires \valid(partition);
@ requires \separated(disk_car, partition);
@*/
int check_LUKS(disk_t *disk_car, partition_t *partition);
int recover_LUKS(const disk_t *disk_car, const struct luks_phdr *sb,partition_t *partition,const int verbose, const int dump_ind);
/*@
@ requires \valid_read(disk_car);
@ requires valid_disk(disk_car);
@ requires \valid_read(sb);
@ requires \valid(partition);
@ requires \separated(disk_car, sb, partition);
@*/
int recover_LUKS(const disk_t *disk_car, const struct luks_phdr *sb, partition_t *partition, const int verbose, const int dump_ind);
#ifdef __cplusplus
} /* closing brace for extern "C" */

65
src/luks_struct.h Normal file
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@ -0,0 +1,65 @@
/*
File: luks_struct.h
Copyright (C) 2007 Christophe GRENIER <grenier@cgsecurity.org>
This software is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
LUKS on-disk-format: http://luks.endorphin.org/spec
*/
#ifndef _LUKS_STRUCT_H
#define _LUKS_STRUCT_H
#ifdef __cplusplus
extern "C" {
#endif
#define LUKS_CIPHERNAME_L 32
#define LUKS_CIPHERMODE_L 32
#define LUKS_HASHSPEC_L 32
#define LUKS_DIGESTSIZE 20
#define LUKS_SALTSIZE 32
#define LUKS_NUMKEYS 8
#define LUKS_MAGIC_L 6
#define UUID_STRING_L 40
typedef struct luks_keyslot luks_keyslot_t;
struct luks_keyslot {
uint32_t active;
uint32_t passwordIterations;
uint8_t passwordSalt[LUKS_SALTSIZE];
uint32_t keyMaterialOffset;
uint32_t stripes;
};
struct luks_phdr {
uint8_t magic[LUKS_MAGIC_L];
uint16_t version;
uint8_t cipherName[LUKS_CIPHERNAME_L];
uint8_t cipherMode[LUKS_CIPHERMODE_L];
uint8_t hashSpec[LUKS_HASHSPEC_L];
uint32_t payloadOffset;
uint32_t keyBytes;
uint8_t mkDigest[LUKS_DIGESTSIZE];
uint8_t mkDigestSalt[LUKS_SALTSIZE];
uint32_t mkDigestIterations;
uint8_t uuid[UUID_STRING_L];
luks_keyslot_t keyslot[LUKS_NUMKEYS];
};
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif