Ejemplo n.º 1
0
/* Inspect the device and initialises the img and fs structures.
 * Return 0 on success, -1 on error.
 */
static int
open_filesystem (const char *device, TSK_IMG_INFO **img, TSK_FS_INFO **fs)
{
  const char *images[] = { device };

  *img = tsk_img_open (1, images, TSK_IMG_TYPE_DETECT, 0);
  if (*img == NULL) {
    reply_with_tsk_error ("tsk_image_open");
    return -1;
  }

  *fs = tsk_fs_open_img (*img, 0, TSK_FS_TYPE_DETECT);
  if (*fs == NULL) {
    reply_with_tsk_error ("tsk_fs_open_img");
    (*img)->close (*img);
    return -1;
  }

  return 0;
}
Ejemplo n.º 2
0
/** 
* Analyze the volume starting at byte offset 'start' and look
* for a file system.  When found, the files will be analyzed. 
*
* @param img Disk image to be analyzed.
* @param start Byte offset of volume starting location.
*
* @return 1 on error and 0 on success
*/
static uint8_t
proc_fs(TSK_IMG_INFO * img_info, TSK_OFF_T start)
{
    TSK_FS_INFO *fs_info;
    TSK_STACK *stack;

    /* Try it as a file system */
    if ((fs_info =
            tsk_fs_open_img(img_info, start, TSK_FS_TYPE_DETECT)) == NULL)
    {
        fprintf(stderr,
            "Error opening file system in partition at offset %" PRIuOFF
            "\n", start);
        tsk_error_print(stderr);

        /* We could do some carving on the volume data at this point */

        return 1;
    }

    // create a stack to prevent infinite loops
    stack = tsk_stack_create();

    // Process the directories
    if (proc_dir(fs_info, stack, fs_info->root_inum, "")) {
        fprintf(stderr,
            "Error processing file system in partition at offset %" PRIuOFF
            "\n", start);
        tsk_fs_close(fs_info);
        return 1;
    }

    tsk_stack_free(stack);

    /* We could do some analysis of unallocated blocks at this point...  */


    tsk_fs_close(fs_info);
    return 0;
}
Ejemplo n.º 3
0
int
test_fat12()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fat12.dd";
    char fname[512];

    snprintf(fname, 512, "%s/fat12.dd", s_root);
    if ((img = tsk_img_open_sing((const TSK_TCHAR *)fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 0, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    // verify the APIs get teh same for file 47
    if (test_get_apis(fs, 47, 1)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }

    // verify the one attribte is the expected type
    if (test_get_type(fs, 47, TSK_FS_ATTR_TYPE_DEFAULT)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }

    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 4
0
int
test_fat12()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fat12.dd";
    char fname[512];

    snprintf(fname, 512, "%s/fat12.dd", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 0, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    if (test_dir_open_apis(fs, "/", 2)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }


    if (test_walk_apis(fs, 2)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }


    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 5
0
int
test_ntfs_comp()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "ntfs-comp-1";
    char fname[512];

    snprintf(fname, 512, "%s/ntfs-comp-1.img", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 0, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if (testfile(fs, 34)) {
        fprintf(stderr, "%s error (both)\n", tname);
        return 1;
    }

    if (testfile(fs, 32)) {
        fprintf(stderr, "%s error (sparse)\n", tname);
        return 1;
    }

    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 6
0
int
test_ntfs_fe()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fe_test_1-NTFS";
    char fname[512];

    snprintf(fname, 512, "%s/fe_test_1.img", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 32256, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if (testfile(fs, 31)) {
        fprintf(stderr, "%s error (non-resident)\n", tname);
        return 1;
    }

    if (testfile(fs, 32)) {
        fprintf(stderr, "%s error (resident)\n", tname);
        return 1;
    }

    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 7
0
/**
 * \ingroup fslib
 * Tries to process data in a volume as a file system.
 * Returns a structure that can be used for analysis and reporting.
 *
 * @param a_part_info Open volume to read from and analyze
 * @param a_ftype Type of file system (or autodetect)
 *
 * @return NULL on error
 */
TSK_FS_INFO *
tsk_fs_open_vol(const TSK_VS_PART_INFO * a_part_info,
    TSK_FS_TYPE_ENUM a_ftype)
{
    TSK_OFF_T offset;
    if (a_part_info == NULL) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_FS_ARG);
        tsk_error_set_errstr("tsk_fs_open_vol: Null vpart handle");
        return NULL;
    }
    else if ((a_part_info->vs == NULL)
        || (a_part_info->vs->tag != TSK_VS_INFO_TAG)) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_FS_ARG);
        tsk_error_set_errstr("tsk_fs_open_vol: Null vs handle");
        return NULL;
    }

    offset =
        a_part_info->start * a_part_info->vs->block_size +
        a_part_info->vs->offset;
    return tsk_fs_open_img(a_part_info->vs->img_info, offset, a_ftype);
}
Ejemplo n.º 8
0
// Find the filename of the specified harddisk byte offset
// 
// \param imgname           path of target image
// \param haddr_img_offset  the target harddisk byte address
// 
// Return NULL if error, otherwise a UT_array of filename 
UT_array* tsk_get_filename_by_haddr(const char* imgname, uint64_t haddr_img_offset)
{
    TSK_IMG_INFO *img;
    TSK_VS_INFO *vs;
    TSK_FS_INFO *fs;
    uint8_t id_used = 0, type_used = 0;

    TSK_DADDR_T partition_offset = 0;
    TSK_DADDR_T block_img_offset = 0;
    TSK_DADDR_T part_byte_offset = 0;
    TSK_DADDR_T part_block_offset = 0;

    MBA_IFIND_DATA_DATA* ifind_data;
    TSK_IMG_TYPE_ENUM imgtype;

    MBA_FFIND_DATA* ffind_data;

    UT_array* ret = NULL;

    //open image
    imgtype = tsk_img_type_toid(QCOW_IMG_TYPE);
    img = tsk_img_open_sing(imgname, imgtype, 0);
    if(img == NULL)
    {
         printf("Image Open Failed!!\n");
         return NULL;
    }

    if(haddr_img_offset >= img->size)
    {
        printf("Request haddr is larger than image size\n");
        tsk_img_close(img);
        return NULL;
    }

    //open volume
    vs = tsk_vs_open(img, 0 , TSK_VS_TYPE_DETECT);
    if(vs==NULL)
    {
        printf("Volume Open Failed!!\n");
        tsk_img_close(img);
        return NULL;
    }

    //calculate block address
    block_img_offset = haddr_img_offset/img->sector_size;

    //search the partition contain the target block
    partition_offset = search_partition(vs, block_img_offset);
    if(partition_offset == 0)
    {
        tsk_img_close(img);
        tsk_vs_close(vs);
        return NULL;
    }

    //open the partition's file system
    fs = tsk_fs_open_img(img, partition_offset * img->sector_size, TSK_FS_TYPE_DETECT);
    if(fs==NULL)
    {
        printf("Cannot open file system\n");
        tsk_img_close(img);
        tsk_vs_close(vs);
        return NULL;
    }

    //calculate offset to the current partition
    part_byte_offset = haddr_img_offset - (partition_offset * img->sector_size);
    part_block_offset = part_byte_offset/fs->block_size;

//find the inode of this block
    ifind_data = fs_ifind_data(fs, (TSK_FS_IFIND_FLAG_ENUM) 0, part_block_offset);
    if(ifind_data == NULL)
    {
        tsk_img_close(img);
        tsk_vs_close(vs);
        return NULL; 
    }    

    if(ifind_data->found!=1)
    {
        tsk_img_close(img);
        tsk_vs_close(vs);
        return NULL;
    }

    //Find the inode's filename
    //Note: Do Not Know what to fill in variable type_used and id_used
    ffind_data =  fs_ffind(fs, 0, ifind_data->curinode, ifind_data->curtype ,
            type_used, ifind_data->curid , id_used,
            (TSK_FS_DIR_WALK_FLAG_RECURSE | TSK_FS_DIR_WALK_FLAG_ALLOC | TSK_FS_DIR_WALK_FLAG_UNALLOC));

    if(ffind_data==NULL){
        printf("Cannot found fdata associate with inode\n");
        tsk_img_close(img);
        tsk_vs_close(vs);
        return NULL;
    }

    //free data
    //reserve return data first 
    ret = ffind_data->filenames;

    free(ifind_data);
    free(ffind_data);
    tsk_vs_close(vs);
    tsk_img_close(img);

    return ret;
}
Ejemplo n.º 9
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);
}
Ejemplo n.º 10
0
int TskImageFileTsk::openFile(const uint64_t fileId)
{
    if (m_img_info == NULL) {
        if (open() != 0)
            return -1;
    }

    // Use ImgDb::getFileUniqueIdentifiers to get the four needed values.
    uint64_t fsByteOffset = 0;
    uint64_t fsFileId = 0;
    int attrType = 0;
    int attrId = 0;

    if (m_db.getFileUniqueIdentifiers(fileId, fsByteOffset, fsFileId, attrType, attrId) != 0)
    {
        LOGERROR(L"TskImageFileTsk::openFile - Error getting file identifiers.\n");
        return -1;
    }

    // Check if the file system at the offset is already open (using m_openFs).  If not, open it (tsk_fs_open) and add it to the map.
    TSK_FS_INFO * fsInfo = m_openFs[fsByteOffset];

    if (fsInfo == NULL)
    {
        // Open the file system and add it to the map.
        fsInfo = tsk_fs_open_img(m_img_info, fsByteOffset, TSK_FS_TYPE_DETECT);

        if (fsInfo == NULL)
        {
            std::wstringstream errorMsg;
            errorMsg << L"TskImageFileTsk::openFile - Error opening file system : " << tsk_error_get();
            LOGERROR(errorMsg.str());
            return -1;
        }

        m_openFs[fsByteOffset] = fsInfo;
    }

    // Find a new entry in m_openFiles and use tsk_fs_file_open to open the file and save the handle in m_openFiles. 
    TSK_FS_FILE * fsFile = tsk_fs_file_open_meta(fsInfo, NULL, fsFileId);

    if (fsFile == NULL)
    {
        std::wstringstream errorMsg;
        errorMsg << L"TskImageFileTsk::openFile - Error opening file : " << tsk_error_get();
        LOGERROR(errorMsg.str());
        return -1;
    }

    const TSK_FS_ATTR * fsAttr = tsk_fs_file_attr_get_id(fsFile, attrId);

    // @@@ TSK_ATTR_TYPE_ENUM should have a value added to it to represent an
    // empty (or null) attribute type and we should then compare attrType against
    // this enum value instead of 0.

    // It is possible to have a file with no attributes. We only report an
    // error if we are expecting a valid attribute.
    if (attrType != 0 && fsAttr == NULL)
    {
        std::wstringstream msg;
        msg << L"TskImageFileTsk::openFile - Error getting attribute : " << tsk_error_get();
        LOGERROR(msg.str());
        return -1;
    }

    TskImageFileTsk::OPEN_FILE * openFile = new TskImageFileTsk::OPEN_FILE();
    openFile->fsFile = fsFile;
    openFile->fsAttr = fsAttr;

    m_openFiles.push_back(openFile);

    // Return the index into m_openFiles
    return m_openFiles.size() - 1;
}
Ejemplo n.º 11
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);
}
Ejemplo n.º 12
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);
}
Ejemplo n.º 13
0
static int
test_ntfs_fe()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fe_test_1-NTFS";
    char fname[512];

    snprintf(fname, 512, "%s/fe_test_1.img", s_root);
    if ((img = tsk_img_open_sing((const TSK_TCHAR *)fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 32256, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        return 1;
    }

    // Verify the APIS get the same and that they are the expected type
    if (test_get_apis(fs, 35, 3)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 35, TSK_FS_ATTR_TYPE_NTFS_SI)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 35, TSK_FS_ATTR_TYPE_NTFS_FNAME)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 35, TSK_FS_ATTR_TYPE_NTFS_DATA)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }


    if (test_get_apis(fs, 9, 7)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_SI)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_FNAME)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_DATA)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_IDXROOT)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_IDXALLOC)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }
    else if (test_get_type(fs, 9, TSK_FS_ATTR_TYPE_NTFS_BITMAP)) {
        fprintf(stderr, "%s failure\n", tname);
        return 1;
    }

    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 14
0
/* This test checks the SLACK flags and verifies
 * that we read data from the slack space
 */
int
test_fat_slack()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fat-img-kw";
    char fname[512];
    TSK_FS_FILE *file1;
    char buf[512];
    ssize_t retval;

    snprintf(fname, 512, "%s/fat-img-kw.dd", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 0, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }


    // file4.dat
    file1 = tsk_fs_file_open_meta(fs, NULL, 10);
    if (file1 == NULL) {
        fprintf(stderr, "Error opening file4.dat (%s)\n", tname);
        return 1;
    }

    // verify expected size
    if (file1->meta->size != 631) {
        fprintf(stderr,
            "Error: file4.dat not expected size (%" PRIuOFF ") (%s)\n",
            file1->meta->size, tname);
        return 1;
    }

    // try to read all of last sector with/out Slack set
    retval =
        tsk_fs_file_read(file1, 512, buf, 512,
        (TSK_FS_FILE_READ_FLAG_ENUM) 0);
    if (retval == -1) {
        fprintf(stderr,
            "Error reading file4.dat to end w/out slack flag\n");
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (retval != 119) {
        fprintf(stderr,
            "Unexpected return value from reading file4.dat to end w/out slack flag.\n");
        fprintf(stderr, "Expected: 119.  Got: %zd\n", retval);
        return 1;
    }

    retval =
        tsk_fs_file_read(file1, 512, buf, 512,
        TSK_FS_FILE_READ_FLAG_SLACK);
    if (retval == -1) {
        fprintf(stderr, "Error reading file4.dat to end w/slack flag\n");
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (retval != 512) {
        fprintf(stderr,
            "Unexpected return value from reading file4.dat  w/slack flag.\n");
        fprintf(stderr, "Expected: 512.  Got: %zd\n", retval);
        return 1;
    }

    // verify the term in the slack space
    if (memcmp("3slack3", &buf[385], 7) != 0) {
        fprintf(stderr,
            "slack string not found in file4.dat slack space: %x %x %x %x %x %x %x\n",
            buf[385], buf[386], buf[387], buf[388], buf[389], buf[390],
            buf[391]);
        return 1;
    }


    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 15
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);
}
Ejemplo n.º 16
0
int TskImageFileTsk::openFile(const uint64_t fileId)
{
    if (m_img_info == NULL) {
        if (open() != 0)
            return -1;
    }

    // Use ImgDb::getFileUniqueIdentifiers to get the four needed values.
    uint64_t fsByteOffset = 0;
    uint64_t fsFileId = 0;
    int attrType = 0;
    int attrId = 0;

    if (m_db.getFileUniqueIdentifiers(fileId, fsByteOffset, fsFileId, attrType, attrId) != 0)
    {
        LOGERROR(L"TskImageFileTsk::openFile - Error getting file identifiers.\n");
        return -1;
    }

    // Check if the file system at the offset is already open (using m_openFs).  If not, open it (tsk_fs_open) and add it to the map.
    TSK_FS_INFO * fsInfo = m_openFs[fsByteOffset];

    if (fsInfo == NULL)
    {
        // Open the file system and add it to the map.
        fsInfo = tsk_fs_open_img(m_img_info, fsByteOffset, TSK_FS_TYPE_DETECT);

        if (fsInfo == NULL)
        {
            std::wstringstream errorMsg;
            errorMsg << L"TskImageFileTsk::openFile - Error opening file system : "
                << tsk_error_get() << std::endl;
            LOGERROR(errorMsg.str());
            return -1;
        }

        m_openFs[fsByteOffset] = fsInfo;
    }

    // Find a new entry in m_openFiles and use tsk_fs_file_open to open the file and save the handle in m_openFiles. 
    TSK_FS_FILE * fsFile = tsk_fs_file_open_meta(fsInfo, NULL, fsFileId);

    if (fsFile == NULL)
    {
        std::wstringstream errorMsg;
        errorMsg << L"TskImageFileTsk::openFile - Error opening file : "
            << tsk_error_get() << std::endl;
        LOGERROR(errorMsg.str());
        return -1;
    }

    TskImageFileTsk::OPEN_FILE * openFile = new TskImageFileTsk::OPEN_FILE();
    openFile->attrId = attrId;
    openFile->attrType = attrType;
    openFile->fsFile = fsFile;

    m_openFiles.push_back(openFile);

    // Return the index into m_openFiles
    return m_openFiles.size() - 1;
}
Ejemplo n.º 17
0
/**
* Scan the image for file systems creating allocated volumes for file systems found
* and unallocated volumes for areas in the image that do not contain file systems.
* Will initially look for file system in first sect_count sectors. If a file system
* is found then it will continue to process the remainder of the image for other
* file systems.
* 
* @param sect_start Start looking for file systems starting at this sector.
* @param sect_count The initial number of sectors to scan for file systems.
* @return 0 on success, 1 on failure 
*/
uint8_t TSKAutoImpl::scanImgForFs(const uint64_t sect_start, const uint64_t sect_count)
{
    if (m_img_info == NULL)
    {
        LOGERROR(L"TSKAutoImpl::scanImgForFs - Image not open.");
        return 1;
    }

    LOGINFO(L"TSKAutoImpl::scanImgForFs - Starting file system scan.");

    // Initialize current offset to our starting byte location.
    TSK_OFF_T current_offset = sect_start * m_img_info->sector_size;

    TSK_OFF_T end_offset = current_offset + (sect_count * m_img_info->sector_size);

    // Last offset keeps track of byte location where we last saw file system
    // data. It gets initialized to our starting location.
    TSK_OFF_T last_offset = current_offset;

    while (current_offset < end_offset)
    {
        TSK_FS_INFO * fs_info;

        if ((fs_info = tsk_fs_open_img(m_img_info, 
                                       current_offset, 
                                       TSK_FS_TYPE_DETECT)) == NULL)
        {
            // We didn't find a file system so we move on to the next sector.
            current_offset += m_img_info->sector_size;
        }
        else
        {
            // We found a file system so we will continue to search for file
            // systems beyond the initial sectors.
            end_offset = m_img_info->size;

            // If there is a gap between the location of this file system and
            // where we last saw file system data, an unallocated volume entry
            // needs to be created for the gap.
            if (fs_info->offset > last_offset)
            {
                createDummyVolume(last_offset / m_img_info->sector_size,
                                  (fs_info->offset - last_offset) / m_img_info->sector_size,
                                  "Dummy volume for carving purposes",
                                  TSK_VS_PART_FLAG_UNALLOC);
            }

            // The call to findFilesInFs will take care of creating a
            // dummy volume for the file system.
            if (findFilesInFs(fs_info) == TSK_ERR)
            {
                std::wstringstream msg;
                msg << L"TSKAutoImpl::scanImgForFs - Error finding files: "
                    << tsk_error_get();
                tsk_error_reset();
                LOGERROR(msg.str());
            }

            // Move the current offset past the file system we just found.
            current_offset += ((fs_info->block_count + 1) * fs_info->block_size);

            // Update the last location we saw file system data.
            last_offset = current_offset;

            tsk_fs_close(fs_info);
        }
    }

    // Finally, create a dummy unallocated volume for the area between the
    // last offset and the end of the image.
   if (last_offset < m_img_info->size)
    {
        createDummyVolume(last_offset / m_img_info->sector_size,
            (m_img_info->size - last_offset) / m_img_info->sector_size,
            "Dummy volume for carving purposes",
            TSK_VS_PART_FLAG_UNALLOC);
    }

    LOGINFO(L"TSKAutoImpl::scanImgForFs - File system scan complete.");

    return 0;
}
Ejemplo n.º 18
0
/* This test checks the SLACK flags and verifies
 * that we read data from the slack space
 */
int
test_ntfs_slack_ads()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "ntfs-img-kw";
    char fname[512];
    TSK_FS_FILE *file1;
    char buf[512];
    ssize_t retval;

    snprintf(fname, 512, "%s/ntfs-img-kw-1.dd", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if ((fs = tsk_fs_open_img(img, 0, (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }


    // file-n-44.dat
    file1 = tsk_fs_file_open_meta(fs, NULL, 36);
    if (file1 == NULL) {
        fprintf(stderr, "Error opening file-n-4.dat (%s)\n", tname);
        return 1;
    }

    // verify expected size
    if (file1->meta->size != 2000) {
        fprintf(stderr,
            "Error: file-n-4.dat not expected size (%" PRIuOFF ") (%s)\n",
            file1->meta->size, tname);
        return 1;
    }

    // try to read all of last sector with/out Slack set
    retval =
        tsk_fs_file_read(file1, 1536, buf, 512,
        (TSK_FS_FILE_READ_FLAG_ENUM) 0);
    if (retval == -1) {
        fprintf(stderr,
            "Error reading file-n-4.dat to end w/out slack flag (%s)\n",
            tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (retval != 464) {
        fprintf(stderr,
            "Unexpected return value from reading file-n-4.dat to end w/out slack flag (%s).\n",
            tname);
        fprintf(stderr, "Expected: 464.  Got: %zd\n", retval);
        return 1;
    }

    retval =
        tsk_fs_file_read(file1, 1536, buf, 512,
        TSK_FS_FILE_READ_FLAG_SLACK);
    if (retval == -1) {
        fprintf(stderr,
            "Error reading file-n-4.dat to end w/slack flag (%s)\n",
            tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (retval != 512) {
        fprintf(stderr,
            "Unexpected return value from reading file-n-4.dat  w/slack flag. (%s)\n",
            tname);
        fprintf(stderr, "Expected: 512.  Got: %zd\n", retval);
        return 1;
    }

    // verify the term in the slack space
    if (memcmp("n-slack", &buf[485], 7) != 0) {
        fprintf(stderr,
            "slack string not found in file-n-4.dat slack space: %c %c %c %c %c %c %c (%s)\n",
            buf[485], buf[486], buf[487], buf[488], buf[489], buf[490],
            buf[491], tname);
        return 1;
    }


    // try to read past end of file 
    retval =
        tsk_fs_file_read(file1, 2001, buf, 32,
        (TSK_FS_FILE_READ_FLAG_ENUM) 0);
    if (retval != -1) {
        fprintf(stderr,
            "Unexpected return value from reading file-n-4.dat after end of file (%s).\n",
            tname);
        fprintf(stderr, "Expected: -1.  Got: %zd\n", retval);
        return 1;
    }


    tsk_fs_file_close(file1);

    // file-n-5.dat
    file1 = tsk_fs_file_open_meta(fs, NULL, 37);
    if (file1 == NULL) {
        fprintf(stderr, "Error opening file-n-5.dat (%s)\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    // check the default size to make sure it is the default $Data
    if (file1->meta->size != 1300) {
        fprintf(stderr,
            "file-n-5.dat size is not 1300 (%" PRIuOFF ") (%s)",
            file1->meta->size, tname);
        return 1;
    }

    // test the getsize API for both attributes
    const TSK_FS_ATTR *fs_attr =
        tsk_fs_file_attr_get_type(file1, TSK_FS_ATTR_TYPE_NTFS_DATA, 3, 1);
    if (!fs_attr) {
        fprintf(stderr,
            "Error getting data attribute 3 in file-n-5.dat (%s)", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (fs_attr->size != 1300) {
        fprintf(stderr,
            "file-n-5.dat size (via getsize) is not 1300 (%" PRIuOFF
            ") (%s)", fs_attr->size, tname);
        return 1;
    }

    fs_attr =
        tsk_fs_file_attr_get_type(file1, TSK_FS_ATTR_TYPE_NTFS_DATA, 5, 1);
    if (!fs_attr) {
        fprintf(stderr,
            "Error getting size of attribute 5 in file-n-5.dat (%s)",
            tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (fs_attr->size != 2000) {
        fprintf(stderr,
            "file-n-5.dat:here size (via getsize) is not 2000 (%" PRIuOFF
            ") (%s)", fs_attr->size, tname);
        return 1;
    }

    tsk_fs_file_close(file1);

    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 19
0
/* This test checks the RECOVER flags 
 */
int
test_fat_recover()
{
    TSK_FS_INFO *fs;
    TSK_IMG_INFO *img;
    const char *tname = "fe_test_1.img-FAT";
    char fname[512];
    TSK_FS_FILE *file1;
    TSK_FS_FILE *file2;
    char buf[512];
    ssize_t retval;

    snprintf(fname, 512, "%s/fe_test_1.img", s_root);
    if ((img = tsk_img_open_sing(fname, (TSK_IMG_TYPE_ENUM) 0, 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if ((fs =
            tsk_fs_open_img(img, 41126400,
                (TSK_FS_TYPE_ENUM) 0)) == NULL) {
        fprintf(stderr, "Error opening %s image\n", tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }


    // fragmented.html
    const char *fname2 = "fragmented.html";
    file1 = tsk_fs_file_open_meta(fs, NULL, 1162);
    if (file1 == NULL) {
        fprintf(stderr, "Error opening %s (%s)\n", fname2, tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    // verify expected size
    if (file1->meta->size != 5905) {
        fprintf(stderr,
            "Error: %s not expected size (%" PRIuOFF ") (%s)\n", fname2,
            file1->meta->size, tname);
        return 1;
    }

    // verify we can open it via name as well
    file2 = tsk_fs_file_open(fs, NULL, "/deleted/fragmented.html");
    if (file2 == NULL) {
        fprintf(stderr,
            "Error opening /deleted/fragmented.html via path name (%s)\n",
            tname);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }

    if (file2->name == NULL) {
        fprintf(stderr,
            "Opening /deleted/fragmented.html via path name did not have name set(%s)\n",
            tname);
        return 1;
    }

    if (strcmp(file2->name->name, fname2) != 0) {
        fprintf(stderr,
            "Opening /deleted/fragmented.html via path had incorrect name set (%s) (%s)\n",
            file2->name->name, tname);
        return 1;
    }

    if ((file2->name->meta_addr != file2->meta->addr)
        || (file2->meta->addr != file1->meta->addr)) {
        fprintf(stderr,
            "Opening /deleted/fragmented.html via path had incorrect meta addresses (%"
            PRIuINUM " %" PRIuINUM " %" PRIuINUM " (%s)\n",
            file2->name->meta_addr, file2->meta->addr, file1->meta->addr,
            tname);
        return 1;
    }
    tsk_fs_file_close(file2);
    file2 = NULL;

    // try to read past end of first 2048-byte cluster
    retval =
        tsk_fs_file_read(file1, 2048, buf, 512,
        (TSK_FS_FILE_READ_FLAG_ENUM) 0);
    if (retval == -1) {
        fprintf(stderr, "Error reading %s past end w/out Recover flag\n",
            fname2);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    // current behavior is to return 0s in "unitialized" space 
    //if (retval != 0) {
    if (retval != 512) {
        fprintf(stderr,
            "Unexpected return value from reading %s past end w/out Recover flag.\n",
            fname2);
        fprintf(stderr, "Expected: 0.  Got: %zd\n", retval);
        return 1;
    }

    retval =
        tsk_fs_file_read(file1, 2048, buf, 512,
        (TSK_FS_FILE_READ_FLAG_ENUM) 0);
    if (retval == -1) {
        fprintf(stderr, "Error reading %s past end w/Recover flag\n",
            fname2);
        tsk_error_print(stderr);
        tsk_error_reset();
        return 1;
    }
    if (retval != 512) {
        fprintf(stderr,
            "Unexpected return value from %s past end w/Recover flag.\n",
            fname2);
        fprintf(stderr, "Expected: 512.  Got: %zd\n", retval);
        return 1;
    }

    // verify the term in the slack space
    if (memcmp("appear", buf, 6) != 0) {
        fprintf(stderr,
            "expected string not found in %s recovery: %c %c %c %c %c %c\n",
            fname2, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
        return 1;
    }

    tsk_fs_file_close(file1);
    tsk_fs_close(fs);
    tsk_img_close(img);
    return 0;
}
Ejemplo n.º 20
0
/**
 * Parses the file and populates the structures used by this FUSE driver.
 *
 * \param filename The filename to parse
 * \param r The result structure to populate (or NULL if not needed)
 * \returns 0 if successful, -1 if not.
 */
static int process_file(const char *filename, result_t new_result)
{
  img_info = tsk_img_open_sing(filename, TSK_IMG_TYPE_DETECT, 0);
  if (img_info == NULL)
  {
    info_log("Failed to open image: %s", filename);
    return -1;
  }

  fs_info = tsk_fs_open_img(img_info, 0, TSK_FS_TYPE_DETECT);
  if (fs_info == NULL)
  {
    info_log("Failed to open filesystem: %s", filename);
    return -1;
  }

  const char *fsname = tsk_fs_type_toname(fs_info->ftype);

  result_set_brief_data_description(new_result, fsname);
  mountpoint = g_strdup_printf("%s:mnt-%s", filename, fsname);

  char *description = g_strdup_printf("%" PRIdDADDR " bytes (%" PRIdDADDR " %ss of %u size)", fs_info->block_count * fs_info->block_size, fs_info->block_count, fs_info->duname, fs_info->block_size);

  result_set_data_description(new_result, description);
  g_free(description);

  result_set_confidence(new_result, 100);
  block_start(absolute_offset);

  TSK_FS_DIR_WALK_FLAG_ENUM name_flags = (TSK_FS_DIR_WALK_FLAG_ENUM) (TSK_FS_DIR_WALK_FLAG_ALLOC | TSK_FS_DIR_WALK_FLAG_UNALLOC | TSK_FS_DIR_WALK_FLAG_RECURSE);

  if (tsk_fs_dir_walk(fs_info, fs_info->root_inum, name_flags, examine_dirent, new_result) != 0)
  {
    // Why does this occur? Is it because it's an invalid filesystem structure, or the
    // structure is damaged? I'm going to assume the structure is damaged, but partially available.
    warning_log("Warning, unable to fully walk fs! Probably truncated or not a real FS header.");
  }

  unsigned int size;
  block_range_t *ranges = block_end(&size);

  if (ranges != NULL)
  {
    result_set_block_ranges(new_result, ranges, size);
    for (int i = 0; i < size; i++)
    {
      block_range_close(ranges[i]);
    }
    g_free(ranges);
  }

  if (inode_lookup != NULL)
  {
    g_tree_destroy(inode_lookup);
    inode_lookup = NULL;
  }

  unsigned int num_contracts;
  result_get_new_contracts(new_result, &num_contracts);
  if (num_contracts > 0)
  {
    // Ready to mount!
    int ret = do_mount(mountpoint);

    if (ret != 0)
    {
      error_log("Failed to mount filesystem!");
    }
  }

  remove_all_files();

  return 0;
}
Ejemplo n.º 21
0
void tsk_get_file(const char* imgname,uint64_t haddr_img_offset, const char* file_path, const char* destination, uint64_t start_offset, int read_file_len )
{
    TSK_IMG_INFO *img;
    TSK_VS_INFO *vs;
    TSK_FS_INFO *fs;
    uint8_t id_used = 0, type_used = 0;

    TSK_DADDR_T partition_offset = 0;
    TSK_DADDR_T block_img_offset = 0;
    TSK_DADDR_T part_byte_offset = 0;
    TSK_DADDR_T part_block_offset = 0;

    MBA_IFIND_DATA_DATA* ifind_data;
    TSK_IMG_TYPE_ENUM imgtype;
    MBA_FFIND_DATA* ffind_data;
    TSK_FS_FILE *file;
    FILE* writeHive;
    char *temp;

    //open image
    imgtype = tsk_img_type_toid(QCOW_IMG_TYPE);
    img = tsk_img_open_sing(imgname, imgtype, 0);
    if(img == NULL)
    {
         printf("Image Open Failed!!\n");
         return;
    }

    if(haddr_img_offset >= img->size)
    {
        printf("Request haddr is larger than image size\n");
        return;
    }

    //open volume
    vs = tsk_vs_open(img, 0 , TSK_VS_TYPE_DETECT);
    if(vs==NULL)
    {
        printf("Volume Open Failed!!\n");
        return;
    }

    //calculate block address
    block_img_offset = haddr_img_offset/img->sector_size;

    //search the partition contain the target block
    partition_offset = search_partition(vs, block_img_offset);
    if(partition_offset == 0)
    {
        printf("Cannot found partition contains the target haddr\n");
        return;
    }

    //open the partition's file system
    fs = tsk_fs_open_img(img, partition_offset * img->sector_size, TSK_FS_TYPE_DETECT);
    if(fs==NULL)
    {
        printf("Cannot open file system\n");
        return;
    }

    //calculate offset to the current partition
    part_byte_offset = haddr_img_offset - (partition_offset * img->sector_size);
    part_block_offset = part_byte_offset/fs->block_size;

    file = tsk_fs_file_open( fs, NULL, file_path);
    if ( OPEN_FAIL(file) ) 
        printf("open file fail\n\n");

    temp = calloc( read_file_len, sizeof(char));
    int size = tsk_fs_file_read( file,
                                 start_offset,
                                 temp,
                                 read_file_len,
                                 TSK_FS_FILE_READ_FLAG_NONE );
    tsk_fs_file_close(file);
    writeHive = fopen( destination, "w" );
    if ( writeHive == NULL )
        printf("Open fail");
    else {
        fwrite( temp, size, sizeof(char), writeHive );
        fclose(writeHive);
    } // else

    free(temp);
    
    //find the inode of this block
    ifind_data = fs_ifind_data(fs, (TSK_FS_IFIND_FLAG_ENUM) 0, part_block_offset);
    if(ifind_data == NULL)
    {
        return; 
    }    

    if(ifind_data->found!=1)
    {
        printf("Inode not found\n");
        return;
    }

    //Find the inode's filename
    //Note: Do Not Know what to fill in variable type_used and id_used
    ffind_data =  fs_ffind(fs, 0, ifind_data->curinode, ifind_data->curtype ,
            type_used, ifind_data->curid , id_used,
            (TSK_FS_DIR_WALK_FLAG_RECURSE | TSK_FS_DIR_WALK_FLAG_ALLOC | TSK_FS_DIR_WALK_FLAG_UNALLOC));

    if(ffind_data==NULL){
        printf("Cannot found fdata associate with inode\n");
        return;
    }

    free(ifind_data);
    return;
}
Ejemplo n.º 22
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);
}
Ejemplo n.º 23
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);
}