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/*
** fls
** The Sleuth Kit
**
** Given an image and directory inode, display the file names and
** directories that exist (both active and deleted)
**
** Brian Carrier [carrier <at> sleuthkit [dot] org]
** Copyright (c) 2006-2011 Brian Carrier, Basis Technology. All Rights reserved
** Copyright (c) 2003-2005 Brian Carier. All rights reserved
**
** TASK
** Copyright (c) 2002 @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 "tsk/fs/apfs_fs.h"
#include <locale.h>
#include <time.h>
static TSK_TCHAR *progname;
void
usage()
{
TFPRINTF(stderr,
_TSK_T
("usage: %s [-adDFlhpruvV] [-f fstype] [-i imgtype] [-b dev_sector_size] [-m dir/] [-o imgoffset] [-z ZONE] [-s seconds] image [images] [inode]\n"),
progname);
tsk_fprintf(stderr,
"\tIf [inode] is not given, the root directory is used\n");
tsk_fprintf(stderr, "\t-a: Display \".\" and \"..\" entries\n");
tsk_fprintf(stderr, "\t-d: Display deleted entries only\n");
tsk_fprintf(stderr, "\t-D: Display only directories\n");
tsk_fprintf(stderr, "\t-F: Display only files\n");
tsk_fprintf(stderr, "\t-l: Display long version (like ls -l)\n");
tsk_fprintf(stderr,
"\t-i imgtype: Format of 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-m: Display output in mactime input format with\n");
tsk_fprintf(stderr,
"\t dir/ as the actual mount point of the image\n");
tsk_fprintf(stderr, "\t-h: Include MD5 checksum hash in mactime output\n");
tsk_fprintf(stderr,
"\t-o imgoffset: Offset into image file (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 snap_id: Snapshot ID (for APFS only)\n");
tsk_fprintf(stderr, "\t-p: Display full path for each file\n");
tsk_fprintf(stderr, "\t-r: Recurse on directory entries\n");
tsk_fprintf(stderr, "\t-u: Display undeleted entries 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: Time zone of original machine (i.e. EST5EDT or GMT) (only useful with -l)\n");
tsk_fprintf(stderr,
"\t-s seconds: Time skew of original machine (in seconds) (only useful with -l & -m)\n");
tsk_fprintf(stderr, "\t-k password: Decryption password for encrypted volumes\n");
exit(1);
}
int
main(int argc, char **argv1)
{
TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
TSK_IMG_INFO *img;
TSK_IMG_INFO *img_parent = NULL;
const TSK_POOL_INFO *pool = NULL;
TSK_OFF_T imgaddr = 0;
TSK_FS_TYPE_ENUM fstype = TSK_FS_TYPE_DETECT;
TSK_FS_INFO *fs;
const char *password = "";
TSK_INUM_T inode;
int name_flags = TSK_FS_DIR_WALK_FLAG_ALLOC | TSK_FS_DIR_WALK_FLAG_UNALLOC;
int ch;
extern int OPTIND;
int fls_flags;
int32_t sec_skew = 0;
static TSK_TCHAR *macpre = NULL;
TSK_TCHAR **argv;
unsigned int ssize = 0;
TSK_TCHAR *cp;
TSK_POOL_TYPE_ENUM pooltype = TSK_POOL_TYPE_DETECT;
TSK_OFF_T pvol_block = 0;
TSK_OFF_T snap_id = 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, "");
fls_flags = TSK_FS_FLS_DIR | TSK_FS_FLS_FILE;
while ((ch =
GETOPT(argc, argv, _TSK_T("ab:dDf:Fi:m:hlo:prs:uvVz:P:B:k:S:"))) > 0) {
switch (ch) {
case _TSK_T('?'):
default:
TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
argv[OPTIND]);
usage();
case _TSK_T('a'):
fls_flags |= TSK_FS_FLS_DOT;
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'):
name_flags &= ~TSK_FS_DIR_WALK_FLAG_ALLOC;
break;
case _TSK_T('D'):
fls_flags &= ~TSK_FS_FLS_FILE;
fls_flags |= TSK_FS_FLS_DIR;
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('F'):
fls_flags &= ~TSK_FS_FLS_DIR;
fls_flags |= TSK_FS_FLS_FILE;
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'):
fls_flags |= TSK_FS_FLS_LONG;
break;
case _TSK_T('m'):
fls_flags |= TSK_FS_FLS_MAC;
macpre = OPTARG;
break;
case _TSK_T('h'):
fls_flags |= TSK_FS_FLS_HASH;
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'):
if ((snap_id = tsk_parse_offset(OPTARG)) == -1) {
tsk_error_print(stderr);
exit(1);
}
break;
case _TSK_T('p'):
fls_flags |= TSK_FS_FLS_FULL;
break;
case _TSK_T('k'):
password = argv1[OPTIND - 1];
break;
case _TSK_T('r'):
name_flags |= TSK_FS_DIR_WALK_FLAG_RECURSE;
break;
case _TSK_T('s'):
sec_skew = TATOI(OPTARG);
break;
case _TSK_T('u'):
name_flags &= ~TSK_FS_DIR_WALK_FLAG_UNALLOC;
break;
case _TSK_T('v'):
tsk_verbose++;
break;
case _TSK_T('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;
}
}
/* We need at least one more argument */
if (OPTIND == argc) {
tsk_fprintf(stderr, "Missing image name\n");
usage();
}
/* Passwords only work if the file system type has been specified */
if (strlen(password) > 0 && fstype == TSK_FS_TYPE_DETECT) {
tsk_fprintf(stderr, "File system type must be specified to use a password\n");
usage();
}
/* Set the full flag to print the full path name if recursion is
** set and we are only displaying files or deleted files
*/
if ((name_flags & TSK_FS_DIR_WALK_FLAG_RECURSE)
&& (((name_flags & TSK_FS_DIR_WALK_FLAG_UNALLOC)
&& (!(name_flags & TSK_FS_DIR_WALK_FLAG_ALLOC)))
|| ((fls_flags & TSK_FS_FLS_FILE)
&& (!(fls_flags & TSK_FS_FLS_DIR))))) {
fls_flags |= TSK_FS_FLS_FULL;
}
/* set flag to save full path for mactimes style printing */
if (fls_flags & TSK_FS_FLS_MAC) {
fls_flags |= TSK_FS_FLS_FULL;
}
/* we need to append a / to the end of the directory if
* one does not already exist
*/
if (macpre) {
size_t len = TSTRLEN(macpre);
if (macpre[len - 1] != '/') {
TSK_TCHAR *tmp = macpre;
macpre = (TSK_TCHAR *) malloc(len + 2 * sizeof(TSK_TCHAR));
TSTRNCPY(macpre, tmp, len + 1);
TSTRNCAT(macpre, _TSK_T("/"), len + 2);
}
}
/* open image - there is an optional inode address at the end of args
*
* Check the final argument and see if it is a number
*/
if (tsk_fs_parse_inum(argv[argc - 1], &inode, NULL, NULL, NULL, NULL)) {
/* Not an inode at the end */
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);
tsk_img_close(img);
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 {
// Pool block was specified, so open pool
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_parent = img;
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);
tsk_pool_close(pool);
tsk_img_close(img_parent);
exit(1);
}
}
inode = fs->root_inum;
}
else {
// check that we have enough arguments
if (OPTIND + 1 == argc) {
tsk_fprintf(stderr, "Missing image name or inode\n");
usage();
}
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);
tsk_img_close(img);
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 {
// Pool block was specified, so open pool
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_parent = img;
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);
tsk_pool_close(pool);
tsk_img_close(img_parent);
exit(1);
}
}
}
if (snap_id > 0) {
tsk_apfs_set_snapshot(fs, (uint64_t)snap_id);
}
if (tsk_fs_fls(fs, (TSK_FS_FLS_FLAG_ENUM) fls_flags, inode,
(TSK_FS_DIR_WALK_FLAG_ENUM) name_flags, macpre, sec_skew)) {
tsk_error_print(stderr);
tsk_fs_close(fs);
tsk_img_close(img);
if (pool != NULL) {
tsk_pool_close(pool);
}
if (img_parent != NULL) {
tsk_img_close(img_parent);
}
exit(1);
}
tsk_fs_close(fs);
tsk_img_close(img);
if (pool != NULL) {
tsk_pool_close(pool);
}
if (img_parent != NULL) {
tsk_img_close(img_parent);
}
exit(0);
}
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