/*** jcat** The Sleuth Kit **** Brian Carrier [carrier <at> sleuthkit [dot] org]** Copyright (c) 2006-2008 Brian Carrier, Basis Technology.  All Rights reserved** Copyright (c) 2004-2005 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>#ifdef TSK_WIN32#include <fcntl.h>#endifstatic TSK_TCHAR *progname;/* usage - explain and terminate */static voidusage(){    TFPRINTF(stderr,        _TSK_T        ("usage: %s [-f fstype] [-i imgtype] [-o imgoffset] [-vV] image [images] [inode] blk\n"),        progname);    tsk_fprintf(stderr, "\tblk: The journal block to view\n");    tsk_fprintf(stderr,        "\tinode: The file system inode where the journal is located\n");    tsk_fprintf(stderr,        "\t-i imgtype: The format of the image file (use '-i list' for supported types)\n");    tsk_fprintf(stderr,        "\t-f fstype: File system type (use '-f list' for supported types)\n");    tsk_fprintf(stderr,        "\t-o imgoffset: The offset of the file system in the image (in sectors)\n");    tsk_fprintf(stderr, "\t-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;    TSK_INUM_T inum;    int ch;    TSK_DADDR_T blk;    TSK_TCHAR *cp;    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("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('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('v'):            tsk_verbose++;            break;        case _TSK_T('V'):            tsk_version_print(stdout);            exit(0);        }    }    /* We need at least two more arguments */    if (OPTIND + 1 >= argc) {        tsk_fprintf(stderr, "Missing image name and/or block address\n");        usage();    }    blk = TSTRTOULL(argv[argc - 1], &cp, 0);    if (*cp || *cp == *argv[argc - 1]) {        TFPRINTF(stderr, _TSK_T("bad block number: %s"), argv[argc - 1]);        exit(1);    }    /* Do we have an inode as well? */    if (tsk_fs_parse_inum(argv[argc - 2], &inum, NULL, NULL, NULL, NULL)) {        /* Not a number therefore an image */        if ((img =                tsk_img_open(argc - OPTIND - 1,                    (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);        }        inum = fs->journ_inum;    }    else {        if ((img =                tsk_img_open(argc - OPTIND - 2,                    (const TSK_TCHAR **) &argv[OPTIND],                    imgtype)) == NULL) {            tsk_error_print(stderr);            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 (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 == NULL) {        tsk_fprintf(stderr,            "Journal support does not exist for this file system\n");        fs->close(fs);        img->close(img);        exit(1);    }#ifdef TSK_WIN32    if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {        fprintf(stderr,            "jcat: error setting stdout to binary: %s", strerror(errno));        fs->close(fs);        img->close(img);        exit(1);    }#endif    if (fs->jopen(fs, inum)) {        tsk_error_print(stderr);        fs->close(fs);        img->close(img);        exit(1);    }    if (fs->jblk_walk(fs, blk, blk, 0, 0, NULL)) {        tsk_error_print(stderr);        fs->close(fs);        img->close(img);        exit(1);    }    fs->close(fs);    img->close(img);    exit(0);}