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/*
** The Sleuth Kit
**
** Brian Carrier [carrier <at> sleuthkit [dot] org]
** Copyright (c) 2006-2011 Brian Carrier, Basis Technology. All Rights reserved
** Copyright (c) 2003-2005 Brian Carrier. All rights reserved
**
** TASK
** Copyright (c) 2002 Brian Carrier, @stake Inc. All rights reserved
**
** Copyright (c) 1997,1998,1999, International Business Machines
** Corporation and others. All Rights Reserved.
**
*/
/* TCT:
*
* LICENSE
* This software is distributed under the IBM Public License.
* AUTHOR(S)
* Wietse Venema
* IBM T.J. Watson Research
* P.O. Box 704
* Yorktown Heights, NY 10598, USA
*/
#include "tsk/tsk_tools_i.h"
#include <locale.h>
static TSK_TCHAR *progname;
/* usage - explain and terminate */
static void
usage()
{
TFPRINTF(stderr,
_TSK_T
("usage: %s [-aAelvV] [-f fstype] [-i imgtype] [-b dev_sector_size] [-o imgoffset] [-P pooltype] [-B pool_volume_block] image [images] [start-stop]\n"),
progname);
tsk_fprintf(stderr, "\t-e: every block (including file system metadata blocks)\n");
tsk_fprintf(stderr,
"\t-l: print details in time machine list format\n");
tsk_fprintf(stderr, "\t-a: Display allocated blocks\n");
tsk_fprintf(stderr, "\t-A: Display unallocated blocks\n");
tsk_fprintf(stderr,
"\t-f fstype: File system type (use '-f list' for supported types)\n");
tsk_fprintf(stderr,
"\t-i imgtype: The format of the image file (use '-i list' for supported types)\n");
tsk_fprintf(stderr,
"\t-b dev_sector_size: The size (in bytes) of the device sectors\n");
tsk_fprintf(stderr,
"\t-o imgoffset: The offset of the file system in the image (in sectors)\n");
tsk_fprintf(stderr,
"\t-P pooltype: Pool container type (use '-P list' for supported types)\n");
tsk_fprintf(stderr,
"\t-B pool_volume_block: Starting block (for pool volumes only)\n");
tsk_fprintf(stderr,
"\t-s: print slack space only (other flags are ignored\n");
tsk_fprintf(stderr, "\t-v: verbose to stderr\n");
tsk_fprintf(stderr, "\t-V: print version\n");
exit(1);
}
/* main - open file system, list block info */
int
main(int argc, char **argv1)
{
TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
TSK_IMG_INFO *img;
TSK_OFF_T imgaddr = 0;
TSK_FS_TYPE_ENUM fstype = TSK_FS_TYPE_DETECT;
TSK_FS_INFO *fs;
TSK_POOL_TYPE_ENUM pooltype = TSK_POOL_TYPE_DETECT;
TSK_OFF_T pvol_block = 0;
const char * password = "";
TSK_TCHAR *cp, *dash;
TSK_DADDR_T bstart = 0, blast = 0;
int ch;
int flags =
TSK_FS_BLOCK_WALK_FLAG_UNALLOC |
TSK_FS_BLOCK_WALK_FLAG_META | TSK_FS_BLOCK_WALK_FLAG_CONT;
char lclflags = TSK_FS_BLKLS_CAT, set_bounds = 1;
TSK_TCHAR **argv;
unsigned int ssize = 0;
#ifdef TSK_WIN32
// On Windows, get the wide arguments (mingw doesn't support wmain)
argv = CommandLineToArgvW(GetCommandLineW(), &argc);
if (argv == NULL) {
fprintf(stderr, "Error getting wide arguments\n");
exit(1);
}
#else
argv = (TSK_TCHAR **) argv1;
#endif
progname = argv[0];
setlocale(LC_ALL, "");
while ((ch = GETOPT(argc, argv, _TSK_T("aAb:B:ef:i:lo:P:svV"))) > 0) {
switch (ch) {
case _TSK_T('?'):
default:
TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
argv[OPTIND]);
usage();
case _TSK_T('a'):
flags |= TSK_FS_BLOCK_WALK_FLAG_ALLOC;
flags &= ~TSK_FS_BLOCK_WALK_FLAG_UNALLOC;
break;
case _TSK_T('A'):
flags |= TSK_FS_BLOCK_WALK_FLAG_UNALLOC;
flags &= ~TSK_FS_BLOCK_WALK_FLAG_ALLOC;
break;
case _TSK_T('b'):
ssize = (unsigned int) TSTRTOUL(OPTARG, &cp, 0);
if (*cp || *cp == *OPTARG || ssize < 1) {
TFPRINTF(stderr,
_TSK_T
("invalid argument: sector size must be positive: %s\n"),
OPTARG);
usage();
}
break;
case _TSK_T('e'):
flags |= (TSK_FS_BLOCK_WALK_FLAG_ALLOC | TSK_FS_BLOCK_WALK_FLAG_UNALLOC);
break;
case _TSK_T('f'):
if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
tsk_fs_type_print(stderr);
exit(1);
}
fstype = tsk_fs_type_toid(OPTARG);
if (fstype == TSK_FS_TYPE_UNSUPP) {
TFPRINTF(stderr,
_TSK_T("Unsupported file system type: %s\n"), OPTARG);
usage();
}
break;
case _TSK_T('i'):
if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
tsk_img_type_print(stderr);
exit(1);
}
imgtype = tsk_img_type_toid(OPTARG);
if (imgtype == TSK_IMG_TYPE_UNSUPP) {
TFPRINTF(stderr, _TSK_T("Unsupported image type: %s\n"),
OPTARG);
usage();
}
break;
case _TSK_T('l'):
lclflags = TSK_FS_BLKLS_LIST;
break;
case _TSK_T('o'):
if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
tsk_error_print(stderr);
exit(1);
}
break;
case _TSK_T('P'):
if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
tsk_pool_type_print(stderr);
exit(1);
}
pooltype = tsk_pool_type_toid(OPTARG);
if (pooltype == TSK_POOL_TYPE_UNSUPP) {
TFPRINTF(stderr,
_TSK_T("Unsupported pool container type: %s\n"), OPTARG);
usage();
}
break;
case _TSK_T('B'):
if ((pvol_block = tsk_parse_offset(OPTARG)) == -1) {
tsk_error_print(stderr);
exit(1);
}
break;
case _TSK_T('s'):
lclflags |= TSK_FS_BLKLS_SLACK;
break;
case _TSK_T('v'):
tsk_verbose++;
break;
case _TSK_T('V'):
tsk_version_print(stdout);
exit(0);
}
}
/* We need at least one more argument */
if (OPTIND >= argc) {
tsk_fprintf(stderr, "Missing image name\n");
usage();
}
/* Slack has only the image name */
if (lclflags & TSK_FS_BLKLS_SLACK) {
if (lclflags & TSK_FS_BLKLS_LIST) {
tsk_fprintf(stderr,
"Other options ignored with the slack space flag, try again\n");
exit(1);
}
/* There should be no other arguments */
img = tsk_img_open(argc - OPTIND, &argv[OPTIND], imgtype, ssize);
if (img == NULL) {
tsk_error_print(stderr);
exit(1);
}
if ((imgaddr * img->sector_size) >= img->size) {
tsk_fprintf(stderr,
"Sector offset supplied is larger than disk image (maximum: %"
PRIu64 ")\n", img->size / img->sector_size);
exit(1);
}
if (pvol_block == 0) {
if ((fs = tsk_fs_open_img_decrypt(img, imgaddr * img->sector_size,
fstype, password)) == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_fs_type_print(stderr);
tsk_img_close(img);
exit(1);
}
}
else {
const TSK_POOL_INFO *pool = tsk_pool_open_img_sing(img, imgaddr * img->sector_size, pooltype);
if (pool == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_pool_type_print(stderr);
tsk_img_close(img);
exit(1);
}
img = pool->get_img_info(pool, (TSK_DADDR_T)pvol_block);
if ((fs = tsk_fs_open_img_decrypt(img, imgaddr * img->sector_size, fstype, password)) == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_fs_type_print(stderr);
tsk_img_close(img);
exit(1);
}
}
}
else {
/* We need to determine if the block range was given */
if ((dash = TSTRCHR(argv[argc - 1], _TSK_T('-'))) == NULL) {
/* No dash in arg - therefore it is an image file name */
if ((img =
tsk_img_open(argc - OPTIND, &argv[OPTIND],
imgtype, ssize)) == NULL) {
tsk_error_print(stderr);
exit(1);
}
if ((imgaddr * img->sector_size) >= img->size) {
tsk_fprintf(stderr,
"Sector offset supplied is larger than disk image (maximum: %"
PRIu64 ")\n", img->size / img->sector_size);
exit(1);
}
set_bounds = 1;
}
else {
/* We have a dash, but it could be part of the file name */
*dash = '\0';
bstart = TSTRTOULL(argv[argc - 1], &cp, 0);
if (*cp || *cp == *argv[argc - 1]) {
/* Not a number - consider it a file name */
*dash = _TSK_T('-');
if ((img =
tsk_img_open(argc - OPTIND, &argv[OPTIND],
imgtype, ssize)) == NULL) {
tsk_error_print(stderr);
exit(1);
}
if ((imgaddr * img->sector_size) >= img->size) {
tsk_fprintf(stderr,
"Sector offset supplied is larger than disk image (maximum: %"
PRIu64 ")\n", img->size / img->sector_size);
exit(1);
}
set_bounds = 1;
}
else {
/* Check after the dash */
dash++;
blast = TSTRTOULL(dash, &cp, 0);
if (*cp || *cp == *dash) {
/* Not a number - consider it a file name */
dash--;
*dash = _TSK_T('-');
if ((img =
tsk_img_open(argc - OPTIND, &argv[OPTIND],
imgtype, ssize)) == NULL) {
tsk_error_print(stderr);
exit(1);
}
if ((imgaddr * img->sector_size) >= img->size) {
tsk_fprintf(stderr,
"Sector offset supplied is larger than disk image (maximum: %"
PRIu64 ")\n", img->size / img->sector_size);
exit(1);
}
set_bounds = 1;
}
else {
set_bounds = 0;
/* It was a block range, so do not include it in the open */
if ((img =
tsk_img_open(argc - OPTIND - 1, &argv[OPTIND],
imgtype, ssize)) == NULL) {
tsk_error_print(stderr);
exit(1);
}
if ((imgaddr * img->sector_size) >= img->size) {
tsk_fprintf(stderr,
"Sector offset supplied is larger than disk image (maximum: %"
PRIu64 ")\n", img->size / img->sector_size);
exit(1);
}
}
}
}
if (pvol_block == 0) {
if ((fs = tsk_fs_open_img_decrypt(img, imgaddr * img->sector_size,
fstype, password)) == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_fs_type_print(stderr);
tsk_img_close(img);
exit(1);
}
}
else {
const TSK_POOL_INFO *pool = tsk_pool_open_img_sing(img, imgaddr * img->sector_size, pooltype);
if (pool == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_pool_type_print(stderr);
tsk_img_close(img);
exit(1);
}
img = pool->get_img_info(pool, (TSK_DADDR_T)pvol_block);
if ((fs = tsk_fs_open_img_decrypt(img, imgaddr * img->sector_size, fstype, password)) == NULL) {
tsk_error_print(stderr);
if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
tsk_fs_type_print(stderr);
tsk_img_close(img);
exit(1);
}
}
/* do we need to set the range or just check them? */
if (set_bounds) {
bstart = fs->first_block;
blast = fs->last_block;
}
else {
if (bstart < fs->first_block)
bstart = fs->first_block;
if (blast > fs->last_block)
blast = fs->last_block;
}
}
if (tsk_fs_blkls(fs, (TSK_FS_BLKLS_FLAG_ENUM) lclflags, bstart, blast,
(TSK_FS_BLOCK_WALK_FLAG_ENUM)flags)) {
tsk_error_print(stderr);
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
tsk_fs_close(fs);
tsk_img_close(img);
exit(0);
}
|
