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|
/*
** ifind (inode find)
** The Sleuth Kit
**
** Given an image and block number, identify which inode it is used by
**
** 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
**
** TCTUTILs
** Copyright (c) 2001 Brian Carrier. All rights reserved
**
**
** This software is distributed under the Common Public License 1.0
**
*/
#include "tsk/tsk_tools_i.h"
#include <locale.h>
#include <time.h>
static TSK_TCHAR *progname;
static uint8_t localflags;
static void
usage()
{
TFPRINTF(stderr,
_TSK_T
("usage: %s [-alvV] [-f fstype] [-i imgtype] [-b dev_sector_size] [-o imgoffset] [-P pooltype] [-B pool_volume_block] [-d unit_addr] [-n file] [-p par_addr] [-z ZONE] image [images]\n"),
progname);
tsk_fprintf(stderr, "\t-a: find all inodes\n");
tsk_fprintf(stderr,
"\t-d unit_addr: Find the meta data given the data unit\n");
tsk_fprintf(stderr, "\t-l: long format when -p is given\n");
tsk_fprintf(stderr,
"\t-n file: Find the meta data given the file name\n");
tsk_fprintf(stderr,
"\t-p par_addr: Find UNALLOCATED MFT entries given the parent's meta address (NTFS only)\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-f fstype: File system type (use '-f list' for supported types)\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-v: Verbose output to stderr\n");
tsk_fprintf(stderr, "\t-V: Print version\n");
tsk_fprintf(stderr,
"\t-z ZONE: Time zone setting when -l -p is given\n");
exit(1);
}
#define IFIND_PATH 0x01
#define IFIND_DATA 0x02
#define IFIND_PARENT 0x04
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;
uint8_t type = 0;
TSK_POOL_TYPE_ENUM pooltype = TSK_POOL_TYPE_DETECT;
TSK_OFF_T pvol_block = 0;
const char * password = ""; // Not currently used
int ch;
TSK_TCHAR *cp;
extern int OPTIND;
TSK_DADDR_T block = 0; /* the block to find */
TSK_INUM_T parinode = 0;
TSK_TCHAR *path = NULL;
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, "");
localflags = 0;
while ((ch = GETOPT(argc, argv, _TSK_T("ab:B:d:f:i:ln:o:p:P:vVz:"))) > 0) {
switch (ch) {
case _TSK_T('a'):
localflags |= TSK_FS_IFIND_ALL;
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('d'):
if (type) {
tsk_fprintf(stderr,
"error: only one address type can be given\n");
usage();
}
type = IFIND_DATA;
block = TSTRTOULL(OPTARG, &cp, 0);
if (*cp || *cp == *OPTARG) {
TFPRINTF(stderr, _TSK_T("Invalid block address: %s\n"),
OPTARG);
usage();
}
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'):
localflags |= TSK_FS_IFIND_PAR_LONG;
break;
case _TSK_T('n'):
{
size_t len;
if (type) {
tsk_fprintf(stderr,
"error: only one address type can be given\n");
usage();
}
type = IFIND_PATH;
len = (TSTRLEN(OPTARG) + 1) * sizeof(TSK_TCHAR);
if ((path = (TSK_TCHAR *) malloc(len)) == NULL) {
tsk_fprintf(stderr, "error allocating memory\n");
exit(1);
}
TSTRNCPY(path, OPTARG, TSTRLEN(OPTARG) + 1);
break;
}
case '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 'p':
if (type) {
tsk_fprintf(stderr,
"error: only one address type can be given\n");
usage();
}
type = IFIND_PARENT;
if (tsk_fs_parse_inum(OPTARG, &parinode, NULL, NULL, NULL,
NULL)) {
TFPRINTF(stderr, _TSK_T("Invalid inode address: %s\n"),
OPTARG);
usage();
}
break;
case 'v':
tsk_verbose++;
break;
case 'V':
tsk_version_print(stdout);
exit(0);
case 'z':
{
TSK_TCHAR envstr[32];
TSNPRINTF(envstr, 32, _TSK_T("TZ=%s"), OPTARG);
if (0 != TPUTENV(envstr)) {
tsk_fprintf(stderr, "error setting environment");
exit(1);
}
/* we should be checking this somehow */
TZSET();
break;
}
case '?':
default:
tsk_fprintf(stderr, "Invalid argument: %s\n", argv[OPTIND]);
usage();
}
}
/* We need at least one more argument */
if (OPTIND >= argc) {
tsk_fprintf(stderr, "Missing image name\n");
if (path)
free(path);
usage();
}
if (!type) {
tsk_fprintf(stderr, "-d, -n, or -p must be given\n");
usage();
}
if ((img =
tsk_img_open(argc - OPTIND, &argv[OPTIND], imgtype,
ssize)) == NULL) {
tsk_error_print(stderr);
if (path)
free(path);
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);
}
}
if (type == IFIND_DATA) {
if (block > fs->last_block) {
tsk_fprintf(stderr,
"Block %" PRIuDADDR
" is larger than last block in image (%" PRIuDADDR
")\n", block, fs->last_block);
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
if (tsk_fs_ifind_data(fs, (TSK_FS_IFIND_FLAG_ENUM) localflags,
block)) {
tsk_error_print(stderr);
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
}
else if (type == IFIND_PARENT) {
if (TSK_FS_TYPE_ISNTFS(fs->ftype) == 0) {
tsk_fprintf(stderr, "-p works only with NTFS file systems\n");
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
else if (parinode > fs->last_inum) {
tsk_fprintf(stderr,
"Meta data %" PRIuINUM
" is larger than last MFT entry in image (%" PRIuINUM
")\n", parinode, fs->last_inum);
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
if (tsk_fs_ifind_par(fs, (TSK_FS_IFIND_FLAG_ENUM) localflags,
parinode)) {
tsk_error_print(stderr);
tsk_fs_close(fs);
tsk_img_close(img);
exit(1);
}
}
else if (type == IFIND_PATH) {
int retval;
TSK_INUM_T inum;
if (-1 == (retval = tsk_fs_ifind_path(fs, path, &inum))) {
tsk_error_print(stderr);
tsk_fs_close(fs);
tsk_img_close(img);
free(path);
exit(1);
}
free(path);
if (retval == 1)
tsk_printf("File not found\n");
else
tsk_printf("%" PRIuINUM "\n", inum);
}
tsk_fs_close(fs);
tsk_img_close(img);
exit(0);
}
|
