Example #1
0
/**
 * \ingroup baselib
 * Parse a TSK_TCHAR string of a partition byte offset and the 
 * integer version of it.
 *
 * @param [in] a_pnum_str The string version of the address
 * @param [out] a_pnum The parsed integer version of the address
 * @return 1 on error and 0 on success
 */
int
tsk_parse_pnum(const TSK_TCHAR * a_pnum_str, TSK_PNUM_T * a_pnum)
{
    TSK_TCHAR *cp;

    if (a_pnum_str == NULL) {
        return 0;
    }

    *a_pnum = TSTRTOUL(a_pnum_str, &cp, 0);
    if (*cp || *cp == *a_pnum_str) {
        tsk_error_reset();
        tsk_errno = TSK_ERR_IMG_OFFSET;
        snprintf(tsk_errstr, TSK_ERRSTR_L,
            "tsk_parse: invalid partition address: %" PRIttocTSK,
            a_pnum_str);
        return 1;
    }

    return 0;
}
Example #2
0
/* main - open file system, list inode 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_TCHAR *cp, *dash;
    TSK_INUM_T istart = 0, ilast = 0;
    int ch;
    int flags = TSK_FS_META_FLAG_UNALLOC | TSK_FS_META_FLAG_USED;
    int ils_flags = 0;
    int set_range = 1;
    TSK_TCHAR *image = NULL;
    int32_t sec_skew = 0;
    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, "");

    /*
     * Provide convenience options for the most commonly selected feature
     * combinations.
     */
    while ((ch =
            GETOPT(argc, argv, _TSK_T("aAb:ef:i:lLmo:Oprs:vVzZ"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();
        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('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('e'):
            flags |= (TSK_FS_META_FLAG_ALLOC | TSK_FS_META_FLAG_UNALLOC);
            flags &= ~TSK_FS_META_FLAG_USED;
            break;
        case _TSK_T('m'):
            ils_flags |= TSK_FS_ILS_MAC;
            break;
        case _TSK_T('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('O'):
            flags |= TSK_FS_META_FLAG_UNALLOC;
            flags &= ~TSK_FS_META_FLAG_ALLOC;
            ils_flags |= TSK_FS_ILS_OPEN;
            break;
        case _TSK_T('p'):
            flags |= (TSK_FS_META_FLAG_ORPHAN | TSK_FS_META_FLAG_UNALLOC);
            flags &= ~TSK_FS_META_FLAG_ALLOC;
            break;
        case _TSK_T('r'):
            flags |= (TSK_FS_META_FLAG_UNALLOC | TSK_FS_META_FLAG_USED);
            flags &= ~TSK_FS_META_FLAG_ALLOC;
            break;
        case _TSK_T('s'):
            sec_skew = TATOI(OPTARG);
            break;
        case _TSK_T('v'):
            tsk_verbose++;
            break;
        case _TSK_T('V'):
            tsk_version_print(stdout);
            exit(0);

            /*
             * Provide fine controls to tweak one feature at a time.
             */
        case _TSK_T('a'):
            flags |= TSK_FS_META_FLAG_ALLOC;
			flags &= ~TSK_FS_META_FLAG_UNALLOC;
            break;
        case _TSK_T('A'):
            flags |= TSK_FS_META_FLAG_UNALLOC;
            break;
        case _TSK_T('l'):
            ils_flags |= TSK_FS_ILS_LINK;
            break;
        case _TSK_T('L'):
            ils_flags |= TSK_FS_ILS_UNLINK;
            break;
        case _TSK_T('z'):
            flags |= TSK_FS_META_FLAG_UNUSED;
            break;
        case _TSK_T('Z'):
            flags |= TSK_FS_META_FLAG_USED;
            break;
        }
    }

    if (OPTIND >= argc) {
        tsk_fprintf(stderr, "Missing image name\n");
        usage();
    }

    if ((ils_flags & TSK_FS_ILS_LINK) && (ils_flags & TSK_FS_ILS_UNLINK)) {
        tsk_fprintf(stderr,
            "ERROR: Only linked or unlinked should be used\n");
        usage();
    }

    /* We need to determine if an inode or inode range was given */
    if ((dash = TSTRCHR(argv[argc - 1], _TSK_T('-'))) == NULL) {
        /* Check if is a single number */
        istart = TSTRTOULL(argv[argc - 1], &cp, 0);
        if (*cp || *cp == *argv[argc - 1]) {
            /* Not a number - consider it a file name */
            image = argv[OPTIND];
            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);
            }
        }
        else {
            /* Single address set end addr to start */
            ilast = istart;
            set_range = 0;
            image = argv[OPTIND];
            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);
            }
        }
    }
    else {
        /* We have a dash, but it could be part of the file name */
        *dash = '\0';

        istart = TSTRTOULL(argv[argc - 1], &cp, 0);
        if (*cp || *cp == *argv[argc - 1]) {
            /* Not a number - consider it a file name */
            *dash = _TSK_T('-');
            image = argv[OPTIND];
            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);
            }
        }
        else {
            dash++;
            ilast = TSTRTOULL(dash, &cp, 0);
            if (*cp || *cp == *dash) {
                /* Not a number - consider it a file name */
                dash--;
                *dash = '-';
                image = argv[OPTIND];
                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);
                }
            }
            else {
                set_range = 0;
                /* It was a block range, so do not include it in the open */
                image = argv[OPTIND];
                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 ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
            tsk_fs_type_print(stderr);
        img->close(img);
        exit(1);
    }

    /* do we need to set the range or just check them? */
    if (set_range) {
        istart = fs->first_inum;
        ilast = fs->last_inum;
    }
    else {
        if (istart < fs->first_inum)
            istart = fs->first_inum;

        if (ilast > fs->last_inum)
            ilast = fs->last_inum;
    }

    /* NTFS uses alloc and link different than UNIX so change
     * the default behavior
     *
     * The link value can be > 0 on deleted files (even when closed)
     */

    /* NTFS and FAT have no notion of deleted but still open */
    if ((ils_flags & TSK_FS_ILS_OPEN) && (TSK_FS_TYPE_ISNTFS(fs->ftype)
            || TSK_FS_TYPE_ISFAT(fs->ftype))) {
        fprintf(stderr,
            "Error: '-O' argument does not work with NTFS and FAT images\n");
        exit(1);
    }

    if (tsk_fs_ils(fs, (TSK_FS_ILS_FLAG_ENUM) ils_flags, istart, ilast,
            (TSK_FS_META_FLAG_ENUM) flags, sec_skew, image)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);
    exit(0);
}
Example #3
0
int
main(int argc, char** argv1)
{
    
    TSK_TCHAR **argv;
    TSK_TCHAR *cp;

#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];

    TSK_FS_TYPE_ENUM fstype = TSK_FS_TYPE_DETECT;
    TSK_OFF_T imgaddr = 0;
    int ch;
    while ((ch = GETOPT(argc, argv, _TSK_T("f:o:v"))) != -1) {
        switch (ch) {
        case _TSK_T('f'):
            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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('v'):
            tsk_verbose = 1;
            break;
        default:
            usage();
            break;
        }
    }
    if (argc - OPTIND != 3) {
        usage();
    }

    const TSK_TCHAR* image = argv[OPTIND];
    size_t nthreads = (size_t) TSTRTOUL(argv[OPTIND + 1], &cp, 0);
    if (nthreads == 0) {
        fprintf(stderr, "invalid nthreads\n");
        exit(1);
    }
    size_t niters = (size_t) TSTRTOUL(argv[OPTIND + 2], &cp, 0);
    if (niters == 0) {
        fprintf(stderr, "invalid nthreads\n");
        exit(1);
    }
    
    TSK_IMG_INFO* img = tsk_img_open_sing(image, TSK_IMG_TYPE_DETECT, 0);
    if (img == 0) {
        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);
    }

    TSK_FS_INFO* fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype);
    if (fs == 0) {
        tsk_img_close(img);
        tsk_error_print(stderr);
        exit(1);
    }

    TskThread** threads = new TskThread*[nthreads];
    for (size_t i = 0; i < nthreads; ++i) {
        threads[i] = new MyThread(i, fs, niters);
    }
    TskThread::run(threads, nthreads);
    for (size_t i = 0; i < nthreads; ++i) {
        delete threads[i];
    }
    delete[] threads;
    
    tsk_fs_close(fs);
    tsk_img_close(img);
    exit(0);
}
Example #4
0
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;

    int ch;
    TSK_TCHAR *cp;
    uint8_t type = 0;
    int set = 0;

    TSK_DADDR_T count = 0;
    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("b:d:f:i:o:s:u:vV"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();

        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'):
            type |= TSK_FS_BLKCALC_DD;
            count = TSTRTOULL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG) {
                TFPRINTF(stderr, _TSK_T("Invalid address: %s\n"), OPTARG);
                usage();
            }
            set = 1;
            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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;

        case _TSK_T('s'):
            type |= TSK_FS_BLKCALC_SLACK;
            count = TSTRTOULL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG) {
                TFPRINTF(stderr, _TSK_T("Invalid address: %s\n"), OPTARG);
                usage();
            }
            set = 1;
            break;

        case _TSK_T('u'):
            type |= TSK_FS_BLKCALC_BLKLS;
            count = TSTRTOULL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG) {
                TFPRINTF(stderr, _TSK_T("Invalid address: %s\n"), OPTARG);
                usage();
            }
            set = 1;
            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();
    }

    if ((!type) || (set == 0)) {
        tsk_fprintf(stderr, "Calculation type not given (-u, -d, -s)\n");
        usage();
    }

    if ((type & TSK_FS_BLKCALC_DD) && (type & TSK_FS_BLKCALC_BLKLS)
        && (type & TSK_FS_BLKCALC_SLACK)) {
        tsk_fprintf(stderr, "Only one block type can be given\n");
        usage();
    }


    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);
    }

    if ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
            tsk_fs_type_print(stderr);
        img->close(img);
        exit(1);
    }

    if (-1 == tsk_fs_blkcalc(fs, (TSK_FS_BLKCALC_FLAG_ENUM) type, count)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);

    exit(0);
}
int
main(int argc, char **argv1)
{
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    int ch;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;
    int32_t sec_skew = 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("b:i:s:vVz:"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                     argv[OPTIND]);
            usage();


        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('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('s'):
            sec_skew = TATOI(OPTARG);
            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();
    }

    TskGetTimes tskGetTimes(sec_skew);
    if (tskGetTimes.openImage(argc - OPTIND, &argv[OPTIND], imgtype,
                              ssize)) {
        tsk_error_print(stderr);
        exit(1);
    }

    if (tskGetTimes.findFilesInImg()) {
        tsk_error_print(stderr);
        exit(1);
    }

    exit(0);
}
Example #6
0
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_INUM_T inum;
    int ch;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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("b:f:i:o:vV"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();
        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('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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            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 and/or address\n");
        usage();
    }


    /* 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], &inum, 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);
            exit(1);
        }

        if ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
            tsk_error_print(stderr);
            if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
                tsk_fs_type_print(stderr);
            img->close(img);
            exit(1);
        }

        inum = fs->journ_inum;
    }
    else {
        if ((img =
                tsk_img_open(argc - OPTIND - 1, &argv[OPTIND],
                    imgtype, ssize)) == NULL) {
            tsk_error_print(stderr);
            exit(1);
        }

        if ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
            tsk_error_print(stderr);
            if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
                tsk_fs_type_print(stderr);
            img->close(img);
            exit(1);
        }
    }

    if (fs->jopen == NULL) {
        tsk_fprintf(stderr,
            "Journal support does not exist for this file system\n");
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (inum > fs->last_inum) {
        tsk_fprintf(stderr,
            "Inode value is too large for image (%" PRIuINUM ")\n",
            fs->last_inum);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (inum < fs->first_inum) {
        tsk_fprintf(stderr,
            "Inode value is too small for image (%" PRIuINUM ")\n",
            fs->first_inum);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (fs->jopen(fs, inum)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }
    if (fs->jentry_walk(fs, 0, 0, NULL)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);
    exit(0);
}
Example #7
0
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_DADDR_T addr = 0;
    TSK_TCHAR *cp;
    TSK_DADDR_T read_num_units; /* Number of data units */
    int usize = 0;              /* Length of each data unit */
    int ch;
    char format = 0;
    extern int OPTIND;
    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("ab:f:hi:o:su:vVw"))) > 0) {
        switch (ch) {
        case _TSK_T('a'):
            format |= TSK_FS_BLKCAT_ASCII;
            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('f'):
            if (TSTRCMP(OPTARG, BLKLS_TYPE) == 0) {
                fstype = TSK_FS_TYPE_RAW;
            }
            else if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
                tsk_fprintf(stderr,
                    "\t%" PRIttocTSK " (Unallocated Space)\n", BLKLS_TYPE);
                tsk_fs_type_print(stderr);
                exit(1);
            }
            else {
                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('h'):
            format |= TSK_FS_BLKCAT_HEX;
            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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('s'):
            format |= TSK_FS_BLKCAT_STAT;
            break;
        case _TSK_T('u'):
            usize = TSTRTOUL(OPTARG, &cp, 0);
            if (*cp || cp == OPTARG) {
                TFPRINTF(stderr, _TSK_T("Invalid block size: %s\n"),
                    OPTARG);
                usage();
            }
            break;
        case _TSK_T('v'):
            tsk_verbose++;
            break;
        case _TSK_T('V'):
            tsk_version_print(stdout);
            exit(0);
            break;
        case _TSK_T('w'):
            format |= TSK_FS_BLKCAT_HTML;
            break;
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();
        }
    }

    if (format & TSK_FS_BLKCAT_STAT) {
        if (OPTIND == argc)
            usage();

        if (format & (TSK_FS_BLKCAT_HTML | TSK_FS_BLKCAT_ASCII |
                TSK_FS_BLKCAT_HEX)) {
            tsk_fprintf(stderr,
                "NOTE: Additional flags will be ignored\n");
        }
    }
    /* We need at least two more arguments */
    else if (OPTIND + 1 >= argc) {
        tsk_fprintf(stderr, "Missing image name and/or address\n");
        usage();
    }

    if ((format & TSK_FS_BLKCAT_ASCII) && (format & TSK_FS_BLKCAT_HEX)) {
        tsk_fprintf(stderr,
            "Ascii and Hex flags can not be used together\n");
        usage();
    }

    /* We need to figure out if there is a length argument... */
    /* Check out the second argument from the end */

    /* default number of units is 1 */
    read_num_units = 1;

    /* Get the block address */
    if (format & TSK_FS_BLKCAT_STAT) {
        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);
        }

    }
    else {
        addr = TSTRTOULL(argv[argc - 2], &cp, 0);
        if (*cp || *cp == *argv[argc - 2]) {

            /* Not a number, so it is the image name and we do not have a length */
            addr = TSTRTOULL(argv[argc - 1], &cp, 0);
            if (*cp || *cp == *argv[argc - 1]) {
                TFPRINTF(stderr, _TSK_T("Invalid block address: %s\n"),
                    argv[argc - 1]);
                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);
                exit(1);
            }

        }
        else {
            /* We got a number, so take the length as well while we are at it */
            read_num_units = TSTRTOULL(argv[argc - 1], &cp, 0);
            if (*cp || *cp == *argv[argc - 1]) {
                TFPRINTF(stderr, _TSK_T("Invalid size: %s\n"),
                    argv[argc - 1]);
                usage();
            }
            else if (read_num_units <= 0) {
                tsk_fprintf(stderr, "Invalid size: %" PRIuDADDR "\n",
                    read_num_units);
                usage();
            }

            if ((img =
                    tsk_img_open(argc - OPTIND - 2, &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);
            }
        }
    }

    /* open the file */
    if ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_errno == TSK_ERR_FS_UNSUPTYPE)
            tsk_fs_type_print(stderr);
        img->close(img);
        exit(1);
    }


    /* Set the default size if given */
    if ((usize != 0) &&
        (TSK_FS_TYPE_ISRAW(fs->ftype) || TSK_FS_TYPE_ISSWAP(fs->ftype))) {
        TSK_DADDR_T sectors;
        int orig_dsize, new_dsize;

        if (usize % 512) {
            tsk_fprintf(stderr,
                "New data unit size not a multiple of 512 (%d)\n", usize);
            usage();
        }

        /* We need to do some math to update the block_count value */

        /* Get the original number of sectors */
        orig_dsize = fs->block_size / 512;
        sectors = fs->block_count * orig_dsize;

        /* Convert that to the new size */
        new_dsize = usize / 512;
        fs->block_count = sectors / new_dsize;
        if (sectors % new_dsize)
            fs->block_count++;
        fs->last_block = fs->block_count - 1;

        fs->block_size = usize;
    }

    if (addr > fs->last_block) {
        tsk_fprintf(stderr,
            "Data unit address too large for image (%" PRIuDADDR ")\n",
            fs->last_block);
        fs->close(fs);
        img->close(img);
        exit(1);
    }
    if (addr < fs->first_block) {
        tsk_fprintf(stderr,
            "Data unit address too small for image (%" PRIuDADDR ")\n",
            fs->first_block);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (tsk_fs_blkcat(fs, (TSK_FS_BLKCAT_FLAG_ENUM) format, addr,
            read_num_units)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);

    exit(0);
}
Example #8
0
int
main(int argc, char **argv1)
{
    TSK_VS_INFO *vs;
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    TSK_VS_TYPE_ENUM vstype = TSK_VS_TYPE_DETECT;
    int ch;
    TSK_OFF_T imgaddr = 0;
    TSK_IMG_INFO *img;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, _TSK_T("b:i:o:t:vV"))) > 0) {
        switch (ch) {
        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('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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('t'):
            if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
                tsk_vs_type_print(stderr);
                exit(1);
            }
            vstype = tsk_vs_type_toid(OPTARG);
            if (vstype == TSK_VS_TYPE_UNSUPP) {
                TFPRINTF(stderr,
                    _TSK_T("Unsupported volume system type: %s\n"),
                    OPTARG);
                usage();
            }
            break;
        case 'v':
            tsk_verbose++;
            break;
        case 'V':
            tsk_version_print(stdout);
            exit(0);
        case '?':
        default:
            tsk_fprintf(stderr, "Unknown argument\n");
            usage();
        }
    }

    /* We need at least one more argument */
    if (OPTIND >= argc) {
        tsk_fprintf(stderr, "Missing image name\n");
        usage();
    }

    /* open the image */
    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);
    }


    /* process the partition tables */
    if ((vs = tsk_vs_open(img, imgaddr * img->sector_size, vstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_VS_UNSUPTYPE)
            tsk_vs_type_print(stderr);

        exit(1);
    }

    print_stats(vs);

    tsk_vs_close(vs);
    tsk_img_close(img);
    exit(0);
}
Example #9
0
int
main(int argc, char **argv1)
{
    TSK_VS_INFO *vs;
    int ch;
    TSK_OFF_T imgaddr = 0;
    int flags = 0;
    TSK_IMG_INFO *img;
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    TSK_VS_TYPE_ENUM vstype = TSK_VS_TYPE_DETECT;
    uint8_t hide_meta = 0;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, _TSK_T("aAb:Bi:mMo:rt:vV"))) > 0) {
        switch (ch) {
        case _TSK_T('a'):
            flags |= TSK_VS_PART_FLAG_ALLOC;
            break;
        case _TSK_T('A'):
            flags |= TSK_VS_PART_FLAG_UNALLOC;
            break;
        case _TSK_T('B'):
            print_bytes = 1;
            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('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('m'):
            flags |= (TSK_VS_PART_FLAG_META);
            break;
        case _TSK_T('M'):
            // we'll set this after all flags have been set
            hide_meta = 1;
            break;
        case _TSK_T('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('r'):
            recurse = 1;
            break;
        case _TSK_T('t'):
            if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
                tsk_vs_type_print(stderr);
                exit(1);
            }
            vstype = tsk_vs_type_toid(OPTARG);
            if (vstype == TSK_VS_TYPE_UNSUPP) {
                TFPRINTF(stderr,
                    _TSK_T("Unsupported volume system type: %s\n"),
                    OPTARG);
                usage();
            }
            break;
        case _TSK_T('v'):
            tsk_verbose++;
            break;
        case _TSK_T('V'):
            tsk_version_print(stdout);
            exit(0);
        case _TSK_T('?'):
        default:
            tsk_fprintf(stderr, "Unknown argument\n");
            usage();
        }
    }

    // if they want to hide metadata volumes, set that now
    if (hide_meta) {
        if (flags == 0)
            flags = (TSK_VS_PART_FLAG_ALLOC | TSK_VS_PART_FLAG_UNALLOC);
        else
            flags &= ~TSK_VS_PART_FLAG_META;
    }
    else if (flags == 0) {
        flags = TSK_VS_PART_FLAG_ALL;
    }

    /* We need at least one more argument */
    if (OPTIND >= argc) {
        tsk_fprintf(stderr, "Missing image name\n");
        usage();
    }

    /* open the image */
    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);
    }

    /* process the partition tables */
    vs = tsk_vs_open(img, imgaddr * img->sector_size, vstype);
    if (vs == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_VS_UNSUPTYPE)
            tsk_vs_type_print(stderr);
        tsk_img_close(img);
        exit(1);
    }

    print_header(vs);

    if (tsk_vs_part_walk(vs, 0, vs->part_count - 1,
            (TSK_VS_PART_FLAG_ENUM) flags, part_act, NULL)) {
        tsk_error_print(stderr);
        tsk_vs_close(vs);
        tsk_img_close(img);
        exit(1);
    }

    tsk_vs_close(vs);
    if ((recurse) && (vs->vstype == TSK_VS_TYPE_DOS)) {
        int i;
        /* disable recursing incase we hit another DOS partition
         * future versions may support more layers */
        recurse = 0;

        for (i = 0; i < recurse_cnt; i++) {
            vs = tsk_vs_open(img, recurse_list[i], TSK_VS_TYPE_DETECT);
            if (vs != NULL) {
                tsk_printf("\n\n");
                print_header(vs);
                if (tsk_vs_part_walk(vs, 0, vs->part_count - 1,
                        (TSK_VS_PART_FLAG_ENUM) flags, part_act, NULL)) {
                    tsk_error_reset();
                }
                tsk_vs_close(vs);
            }
            else {
                /* Ignore error in this case and reset */
                tsk_error_reset();
            }
        }
    }

    tsk_img_close(img);
    exit(0);
}
Example #10
0
int
main(int argc, char **argv1)
{
    TSK_IMG_INFO *img;
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    int ch;
    TSK_OFF_T start_sector = 0;
    TSK_OFF_T end_sector = 0;
    ssize_t cnt;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, _TSK_T("b:i:vVs:e:"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();
        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('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('s'):
            start_sector = TSTRTOUL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG || start_sector < 1) {
                TFPRINTF(stderr,
                    _TSK_T
                    ("invalid argument: start sector must be positive: %s\n"),
                    OPTARG);
                usage();
            }
            break;

        case _TSK_T('e'):
            end_sector = TSTRTOUL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG || end_sector < 1) {
                TFPRINTF(stderr,
                    _TSK_T
                    ("invalid argument: end sector must be positive: %s\n"),
                    OPTARG);
                usage();
            }
            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();
    }

    if ((img =
            tsk_img_open(argc - OPTIND, &argv[OPTIND], imgtype,
                ssize)) == NULL) {
        tsk_error_print(stderr);
        exit(1);
    }

#ifdef TSK_WIN32
    if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
        fprintf(stderr,
            "error setting stdout to binary: %s", strerror(errno));
        exit(1);
    }
#endif

    TSK_OFF_T start_byte = 0;
    if (start_sector)
        start_byte = start_sector * img->sector_size;

    TSK_OFF_T end_byte = 0;
    if (end_sector)
        end_byte = (end_sector + 1) * img->sector_size;
    else
        end_byte = img->size;


    for (TSK_OFF_T done = start_byte; done < end_byte; done += cnt) {
        char buf[16 * 1024];
        size_t len;

        if (done + (TSK_OFF_T) sizeof(buf) > end_byte) {
            len = (size_t) (end_byte - done);
        }
        else {
            len = sizeof(buf);
        }

        cnt = tsk_img_read(img, done, buf, len);
        if (cnt != (ssize_t) len) {
            if (cnt >= 0) {
                tsk_fprintf(stderr,
                    "img_cat: Error reading image file at offset: %"
                    PRIuOFF ", len: %" PRIuOFF ", return: %" PRIuOFF "\n",
                    done, len, cnt);
            }
            else {
                tsk_error_print(stderr);
            }
            tsk_img_close(img);
            exit(1);
        }

        if (fwrite(buf, cnt, 1, stdout) != 1) {
            fprintf(stderr,
                "img_cat: Error writing to stdout:  %s", strerror(errno));
            tsk_img_close(img);
            exit(1);
        }
    }

    tsk_img_close(img);
    exit(0);
}
int
main(int argc, char **argv1)
{
    TSK_VS_INFO *vs;
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    TSK_VS_TYPE_ENUM vstype = TSK_VS_TYPE_DETECT;
    int ch;
    TSK_OFF_T imgaddr = 0;
    TSK_IMG_INFO *img;
    TSK_PNUM_T pnum;
    TSK_DADDR_T addr;
    const TSK_VS_PART_INFO *vs_part;
    char *buf;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, _TSK_T("b:i:o:t:vV"))) > 0) {
        switch (ch) {
        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('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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('t'):
            if (TSTRCMP(OPTARG, _TSK_T("list")) == 0) {
                tsk_vs_type_print(stderr);
                exit(1);
            }
            vstype = tsk_vs_type_toid(OPTARG);
            if (vstype == TSK_VS_TYPE_UNSUPP) {
                TFPRINTF(stderr,
                    _TSK_T("Unsupported volume system type: %s\n"),
                    OPTARG);
                usage();
            }
            break;
        case 'v':
            tsk_verbose++;
            break;
        case 'V':
            tsk_version_print(stdout);
            exit(0);
        case '?':
        default:
            tsk_fprintf(stderr, "Unknown argument\n");
            usage();
        }
    }

    /* We need at least two more arguments */
    if (OPTIND + 1 >= argc) {
        tsk_fprintf(stderr,
            "Missing image name and/or partition number\n");
        usage();
    }

    /* open the image */
    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 (tsk_parse_pnum(argv[argc - 1], &pnum)) {
        tsk_error_print(stderr);
        exit(1);
    }

    /* process the partition tables */
    if ((vs = tsk_vs_open(img, imgaddr * img->sector_size, vstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_VS_UNSUPTYPE)
            tsk_vs_type_print(stderr);

        exit(1);
    }

    if (pnum >= vs->part_count) {
        tsk_fprintf(stderr,
            "Partition address is too large (maximum: %"
            PRIuPNUM ")\n", vs->part_count);
        exit(1);
    }

    vs_part = tsk_vs_part_get(vs, pnum);
    if (vs_part == NULL) {
        tsk_fprintf(stderr, "Error looking up partition\n");
        exit(1);
    }

    buf = (char *) malloc(vs->block_size);
    if (buf == NULL) {
        tsk_error_print(stderr);
        exit(1);
    }

#ifdef TSK_WIN32
    char strerror_buffer[1024];
    if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_FS_WRITE);
        tsk_error_set_errstr(
            "mmcat: error setting stdout to binary: %s",
            strerror_s(strerror_buffer, 1024, errno));
        return 1;
    }
#endif


    for (addr = 0; addr < vs_part->len; addr++) {
        ssize_t retval;
        retval =
            tsk_vs_part_read_block(vs_part, addr, buf, vs->block_size);
        if (retval == -1) {
            tsk_error_print(stderr);
            exit(1);
        }

        if ((size_t) retval != fwrite(buf, 1, retval, stdout)) {
            tsk_fprintf(stderr, "Error writing data to stdout\n");
            exit(1);
        }
    }

    tsk_vs_close(vs);
    tsk_img_close(img);
    exit(0);
}
Example #12
0
int
main(int argc, char **argv1)
{
    TSK_IMG_INFO *img;
    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;
    int ch;
    uint8_t type = 0;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, _TSK_T("b:i:tvV"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[OPTIND]);
            usage();
        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('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('t'):
            type = 1;
            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();
    }

    if ((img =
            tsk_img_open(argc - OPTIND, &argv[OPTIND], imgtype,
                ssize)) == NULL) {
        tsk_error_print(stderr);
        exit(1);
    }

    if (type) {
        const char *str = tsk_img_type_toname(img->itype);
        tsk_printf("%s\n", str);
    }
    else {
        img->imgstat(img, stdout);
    }

    tsk_img_close(img);
    exit(0);
}
Example #13
0
int
MAIN(int argc, TSK_TCHAR ** argv)
{
    TSK_FS_INFO *fs = NULL;
    TSK_IMG_INFO *img;
    DADDR_T addr = 0;
    TSK_TCHAR *fstype = NULL;
    TSK_TCHAR *cp, *imgtype = NULL;
    DADDR_T read_num_units;     /* Number of data units */
    int usize = 0;              /* Length of each data unit */
    int ch;
    char format = 0;
    extern int optind;
    SSIZE_T imgoff = 0;

    progname = argv[0];
    setlocale(LC_ALL, "");

    while ((ch = getopt(argc, argv, _TSK_T("af:hi:o:su:vVw"))) > 0) {
        switch (ch) {
        case _TSK_T('a'):
            format |= TSK_FS_DCAT_ASCII;
            break;
        case _TSK_T('f'):
            fstype = optarg;
            if (TSTRCMP(fstype, _TSK_T(DLS_TYPE)) == 0)
                fstype = _TSK_T(RAW_STR);
            if (TSTRCMP(fstype, _TSK_T("list")) == 0) {
                tsk_fprintf(stderr, "\t%s (Unallocated Space)\n",
                    DLS_TYPE);
                tsk_fs_print_types(stderr);
                exit(1);
            }
            break;
        case _TSK_T('h'):
            format |= TSK_FS_DCAT_HEX;
            break;
        case _TSK_T('i'):
            imgtype = optarg;
            if (TSTRCMP(imgtype, _TSK_T("list")) == 0) {
                tsk_img_print_types(stderr);
                exit(1);
            }
            break;
        case _TSK_T('o'):
            if ((imgoff = tsk_parse_offset(optarg)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('s'):
            format |= TSK_FS_DCAT_STAT;
            break;
        case _TSK_T('u'):
            usize = TSTRTOUL(optarg, &cp, 0);
            if (*cp || cp == optarg) {
                TFPRINTF(stderr, _TSK_T("Invalid block size: %s\n"),
                    optarg);
                usage();
            }
            break;
        case _TSK_T('v'):
            tsk_verbose++;
            break;
        case _TSK_T('V'):
            tsk_print_version(stdout);
            exit(0);
            break;
        case _TSK_T('w'):
            format |= TSK_FS_DCAT_HTML;
            break;
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                argv[optind]);
            usage();
        }
    }

    if (format & TSK_FS_DCAT_STAT) {
        if (optind == argc)
            usage();

        if (format & (TSK_FS_DCAT_HTML | TSK_FS_DCAT_ASCII |
                TSK_FS_DCAT_HEX)) {
            tsk_fprintf(stderr,
                "NOTE: Additional flags will be ignored\n");
        }
    }
    /* We need at least two more arguments */
    else if (optind + 1 >= argc) {
        tsk_fprintf(stderr, "Missing image name and/or address\n");
        usage();
    }

    if ((format & TSK_FS_DCAT_ASCII) && (format & TSK_FS_DCAT_HEX)) {
        tsk_fprintf(stderr,
            "Ascii and Hex flags can not be used together\n");
        usage();
    }

    /* We need to figure out if there is a length argument... */
    /* Check out the second argument from the end */

    /* default number of units is 1 */
    read_num_units = 1;

    /* Get the block address */
    if (format & TSK_FS_DCAT_STAT) {
        if ((img =
                tsk_img_open(imgtype, argc - optind,
                    (const TSK_TCHAR **) &argv[optind])) == NULL) {
            tsk_error_print(stderr);
            exit(1);
        }

    }
    else {
        addr = TSTRTOULL(argv[argc - 2], &cp, 0);
        if (*cp || *cp == *argv[argc - 2]) {

            /* Not a number, so it is the image name and we do not have a length */
            addr = TSTRTOULL(argv[argc - 1], &cp, 0);
            if (*cp || *cp == *argv[argc - 1]) {
                TFPRINTF(stderr, _TSK_T("Invalid block address: %s\n"),
                    argv[argc - 1]);
                usage();
            }

            if ((img =
                    tsk_img_open(imgtype, argc - optind - 1,
                        (const TSK_TCHAR **) &argv[optind])) == NULL) {
                tsk_error_print(stderr);
                exit(1);
            }

        }
        else {
            /* We got a number, so take the length as well while we are at it */
            read_num_units = TSTRTOULL(argv[argc - 1], &cp, 0);
            if (*cp || *cp == *argv[argc - 1]) {
                TFPRINTF(stderr, _TSK_T("Invalid size: %s\n"),
                    argv[argc - 1]);
                usage();
            }
            else if (read_num_units <= 0) {
                tsk_fprintf(stderr, "Invalid size: %" PRIuDADDR "\n",
                    read_num_units);
                usage();
            }

            if ((img =
                    tsk_img_open(imgtype, argc - optind - 2,
                        (const TSK_TCHAR **) &argv[optind])) == NULL) {

                tsk_error_print(stderr);
                exit(1);
            }
        }
    }

    /* open the file */
    if ((fs = tsk_fs_open(img, imgoff, fstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_errno == TSK_ERR_FS_UNSUPTYPE)
            tsk_fs_print_types(stderr);
        img->close(img);
        exit(1);
    }


    /* Set the default size if given */
    if ((usize != 0) &&
        (((fs->ftype & TSK_FS_INFO_TYPE_FS_MASK) ==
                TSK_FS_INFO_TYPE_RAW_TYPE)
            || ((fs->ftype & TSK_FS_INFO_TYPE_FS_MASK) ==
                TSK_FS_INFO_TYPE_SWAP_TYPE))) {

        DADDR_T sectors;
        int orig_dsize, new_dsize;

        if (usize % 512) {
            tsk_fprintf(stderr,
                "New data unit size not a multiple of 512 (%d)\n", usize);
            usage();
        }

        /* We need to do some math to update the block_count value */

        /* Get the original number of sectors */
        orig_dsize = fs->block_size / 512;
        sectors = fs->block_count * orig_dsize;

        /* Convert that to the new size */
        new_dsize = usize / 512;
        fs->block_count = sectors / new_dsize;
        if (sectors % new_dsize)
            fs->block_count++;
        fs->last_block = fs->block_count - 1;

        fs->block_size = usize;
    }

    if (addr > fs->last_block) {
        tsk_fprintf(stderr,
            "Data unit address too large for image (%" PRIuDADDR ")\n",
            fs->last_block);
        fs->close(fs);
        img->close(img);
        exit(1);
    }
    if (addr < fs->first_block) {
        tsk_fprintf(stderr,
            "Data unit address too small for image (%" PRIuDADDR ")\n",
            fs->first_block);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (tsk_fs_dcat(fs, format, addr, read_num_units)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);

    exit(0);
}
Example #14
0
int
main(int argc, char **argv)
{
    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;

    int ch;
    TSK_TCHAR **argv;
    unsigned int ssize = 0;
    TSK_TCHAR *cp;

#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];

    while ((ch = GETOPT(argc, argv, "b:f:i:o:vV")) > 0) {
        switch (ch) {
        case '?':
        default:
            fprintf(stderr, "Invalid argument: %s\n", argv[OPTIND]);
            usage();
        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 '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 '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 'o':
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;

        case 'v':
            verbose++;
            break;

        case 'V':
            print_version(stdout);
            exit(0);
        }
    }

    /* We need at least one more argument */
    if (OPTIND >= argc) {
        fprintf(stderr, "Missing image name\n");
        usage();
    }

    img =
        img_open(imgoff, argc - OPTIND,
        (const char **) &argv[OPTIND], imgtype, ssize);
    if (img == NULL) {
        tsk_error_print(stderr);
        exit(1);
    }

    if (fs = fs_open(img, fstype)) {
        if (tsk_errno == TSK_ERR_FS_UNSUPTYPE)
            tsk_print_types(stderr);

        tsk_error_print(stderr);
        img->close(img);
        exit(1);

    }

    if (fs->fscheck(fs, stdout)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);

    exit(0);
}
Example #15
0
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_INUM_T inum;
    int ch;
    TSK_TCHAR *cp;
    int32_t sec_skew = 0;

    /* When > 0 this is the number of blocks to print, used for -B arg */
    TSK_DADDR_T numblock = 0;
    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("b:B:f:i:o:s:vVz:"))) > 0) {
        switch (ch) {
        case _TSK_T('?'):
        default:
            TFPRINTF(stderr, _TSK_T("Invalid argument: %s\n"),
                     argv[OPTIND]);
            usage();
        case _TSK_T('B'):
            numblock = TSTRTOULL(OPTARG, &cp, 0);
            if (*cp || *cp == *OPTARG || numblock < 1) {
                TFPRINTF(stderr,
                         _TSK_T
                         ("invalid argument: block count must be positive: %s\n"),
                         OPTARG);
                usage();
            }
            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('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('o'):
            if ((imgaddr = tsk_parse_offset(OPTARG)) == -1) {
                tsk_error_print(stderr);
                exit(1);
            }
            break;
        case _TSK_T('s'):
            sec_skew = TATOI(OPTARG);
            break;
        case _TSK_T('v'):
            tsk_verbose++;
            break;
        case _TSK_T('V'):
            tsk_version_print(stdout);
            exit(0);
        case _TSK_T('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);
            }
            TZSET();
        }
        break;
        }
    }

    /* We need at least two more argument */
    if (OPTIND + 1 >= argc) {
        tsk_fprintf(stderr, "Missing image name and/or address\n");
        usage();
    }

    /* if we are given the inode in the inode-type-id form, then ignore
     * the other stuff w/out giving an error
     *
     * This will make scripting easier
     */
    if (tsk_fs_parse_inum(argv[argc - 1], &inum, NULL, NULL, NULL, NULL)) {
        TFPRINTF(stderr, _TSK_T("Invalid inode number: %s"),
                 argv[argc - 1]);
        usage();
    }

    /*
     * Open the file system.
     */
    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 ((fs = tsk_fs_open_img(img, imgaddr * img->sector_size, fstype)) == NULL) {
        tsk_error_print(stderr);
        if (tsk_error_get_errno() == TSK_ERR_FS_UNSUPTYPE)
            tsk_fs_type_print(stderr);
        img->close(img);
        exit(1);
    }

    if (inum > fs->last_inum) {
        tsk_fprintf(stderr,
                    "Metadata address is too large for image (%" PRIuINUM ")\n",
                    fs->last_inum);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (inum < fs->first_inum) {
        tsk_fprintf(stderr,
                    "Metadata address is too small for image (%" PRIuINUM ")\n",
                    fs->first_inum);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    if (fs->istat(fs, stdout, inum, numblock, sec_skew)) {
        tsk_error_print(stderr);
        fs->close(fs);
        img->close(img);
        exit(1);
    }

    fs->close(fs);
    img->close(img);
    exit(0);
}