/*** blkcalc** The Sleuth Kit **** Calculates the corresponding block number between 'blkls' and 'dd' images** when given an 'blkls' block number, it determines the block number it** had in a 'dd' image.  When given a 'dd' image, it determines the** value it would have in a 'blkls' image (if the block is unallocated)**** Brian Carrier [carrier <at> sleuthkit [dot] org]** Copyright (c) 2006-2008 Brian Carrier, Basis Technology.  All Rights reserved** Copyright (c) 2003-2005 Brian Carrier. All Rights reserved**** TASK** Copyright (c) 2002 Brian Carrier, @stake Inc. All Rights reserved**** TCTUTILs** Copyright (c) 2001 Brian Carrier.  All rights reserved****** This software is distributed under the Common Public License 1.0***/#include "tsk3/tsk_tools_i.h"#include <locale.h>static TSK_TCHAR *progname;static voidusage(){    TFPRINTF(stderr,        _TSK_T        ("usage: %s [-dsu unit_addr] [-vV] [-f fstype] [-i imgtype] [-o imgoffset] image [images]\n"),        progname);    tsk_fprintf(stderr, "Slowly calculates the opposite block number\n");    tsk_fprintf(stderr, "\tOne of the following must be given:\n");    tsk_fprintf(stderr,        "\t  -d: The given address is from a 'dd' image \n");    tsk_fprintf(stderr,        "\t  -s: The given address is from a 'blkls -s' (slack) image\n");    tsk_fprintf(stderr,        "\t  -u: The given address is from a 'blkls' (unallocated) image\n");    tsk_fprintf(stderr,        "\t-f fstype: The file system type (use '-f list' for supported types)\n");    tsk_fprintf(stderr,        "\t-i imgtype: The format of the image file (use '-i list' for supported types)\n");    tsk_fprintf(stderr,        "\t-o imgoffset: The offset of the file system in the image (in sectors)\n");    tsk_fprintf(stderr, "\t-v: verbose output to stderr\n");    tsk_fprintf(stderr, "\t-V: Print version\n");    exit(1);}intmain(int argc, char ** argv1){    TSK_IMG_TYPE_ENUM imgtype = TSK_IMG_TYPE_DETECT;    TSK_IMG_INFO *img;    TSK_OFF_T imgoff = 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;    #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("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('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 ((imgoff = 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,                (const TSK_TCHAR **) &argv[OPTIND], imgtype)) == NULL) {        tsk_error_print(stderr);        exit(1);    }    if (imgoff >= img->size) {        tsk_fprintf(stderr,            "Sector offset supplied is larger than disk image (maximum: %"            PRIu64 ")\n", img->size / 512);        exit(1);    }    if ((fs = tsk_fs_open_img(img, imgoff, fstype)) == NULL) {        tsk_error_print(stderr);        if (tsk_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);}