/* ** ifind (inode find) ** The Sleuth Kit ** ** $Date: 2007/04/05 16:01:58 $ ** ** Given an image and block number, identify which inode it is used by ** ** Brian Carrier [carrier@sleuthkit.org] ** Copyright (c) 2006 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 #include #include "fs_tools.h" static TSK_TCHAR *progname; static uint8_t localflags; static void usage() { TFPRINTF(stderr, _TSK_T ("usage: %s [-alvV] [-f fstype] [-i imgtype] [-o imgoffset] [-d unit_addr] [-n file] [-p par_addr] [-z ZONE] image [images]\n"), progname); tsk_fprintf(stderr, "\t-a: find all inodes\n"); tsk_fprintf(stderr, "\t-d unit_addr: Find the meta data given the data unit\n"); tsk_fprintf(stderr, "\t-l: long format when -p is given\n"); tsk_fprintf(stderr, "\t-n file: Find the meta data given the file name\n"); tsk_fprintf(stderr, "\t-p par_addr: Find UNALLOCATED MFT entries given the parent's meta address (NTFS only)\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"); tsk_fprintf(stderr, "\t-z ZONE: Time zone setting when -l -p is given\n"); exit(1); } int MAIN(int argc, TSK_TCHAR ** argv) { TSK_TCHAR *imgtype = NULL; TSK_TCHAR *fstype = NULL; TSK_FS_INFO *fs; TSK_IMG_INFO *img; int ch; TSK_TCHAR *cp; extern int optind; DADDR_T block = 0; /* the block to find */ INUM_T parinode = 0; TSK_TCHAR *path = NULL; SSIZE_T imgoff = 0; progname = argv[0]; setlocale(LC_ALL, ""); localflags = 0; while ((ch = getopt(argc, argv, _TSK_T("ad:f:i:ln:o:p:vVz:"))) > 0) { switch (ch) { case _TSK_T('a'): localflags |= TSK_FS_IFIND_ALL; break; case _TSK_T('d'): if (localflags & (TSK_FS_IFIND_PAR | TSK_FS_IFIND_PATH)) { tsk_fprintf(stderr, "error: only one address type can be given\n"); usage(); } localflags |= TSK_FS_IFIND_DATA; block = TSTRTOULL(optarg, &cp, 0); if (*cp || *cp == *optarg) { TFPRINTF(stderr, _TSK_T("Invalid block address: %s\n"), optarg); usage(); } break; case _TSK_T('f'): fstype = optarg; if (TSTRCMP(fstype, _TSK_T("list")) == 0) { tsk_fs_print_types(stderr); exit(1); } 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('l'): localflags |= TSK_FS_IFIND_PAR_LONG; break; case _TSK_T('n'): { size_t len; if (localflags & (TSK_FS_IFIND_PAR | TSK_FS_IFIND_DATA)) { tsk_fprintf(stderr, "error: only one address type can be given\n"); usage(); } localflags |= TSK_FS_IFIND_PATH; len = (TSTRLEN(optarg) + 1) * sizeof(TSK_TCHAR); if ((path = (TSK_TCHAR *) tsk_malloc(len)) == NULL) { tsk_error_print(stderr); exit(1); } TSTRNCPY(path, optarg, TSTRLEN(optarg) + 1); break; } case 'o': if ((imgoff = tsk_parse_offset(optarg)) == -1) { tsk_error_print(stderr); exit(1); } break; case 'p': if (localflags & (TSK_FS_IFIND_PATH | TSK_FS_IFIND_DATA)) { tsk_fprintf(stderr, "error: only one address type can be given\n"); usage(); } localflags |= TSK_FS_IFIND_PAR; if (tsk_parse_inum(optarg, &parinode, NULL, NULL, NULL)) { TFPRINTF(stderr, _TSK_T("Invalid inode address: %s\n"), optarg); usage(); } break; case 'v': tsk_verbose++; break; case 'V': tsk_print_version(stdout); exit(0); case 'z': { TSK_TCHAR envstr[32]; TSNPRINTF(envstr, 32, _TSK_T("TZ=%s"), optarg); if (0 != PUTENV(envstr)) { tsk_fprintf(stderr, "error setting environment"); exit(1); } /* we should be checking this somehow */ TZSET(); break; } case '?': default: tsk_fprintf(stderr, "Invalid argument: %s\n", argv[optind]); usage(); } } /* We need at least one more argument */ if (optind >= argc) { tsk_fprintf(stderr, "Missing image name\n"); if (path) free(path); usage(); } if (0 == (localflags & (TSK_FS_IFIND_PATH | TSK_FS_IFIND_DATA | TSK_FS_IFIND_PAR))) { tsk_fprintf(stderr, "-d, -n, or -p must be given\n"); usage(); } if ((img = tsk_img_open(imgtype, argc - optind, (const TSK_TCHAR **) &argv[optind])) == NULL) { tsk_error_print(stderr); if (path) free(path); exit(1); } 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); if (path) free(path); exit(1); } if (localflags & TSK_FS_IFIND_DATA) { if (block > fs->last_block) { tsk_fprintf(stderr, "Block %" PRIuDADDR " is larger than last block in image (%" PRIuDADDR ")\n", block, fs->last_block); fs->close(fs); img->close(img); exit(1); } else if (block == 0) { tsk_printf("Inode not found\n"); fs->close(fs); img->close(img); exit(1); } if (tsk_fs_ifind_data(fs, localflags, block)) { tsk_error_print(stderr); fs->close(fs); img->close(img); exit(1); } } else if (localflags & TSK_FS_IFIND_PAR) { if ((fs->ftype & TSK_FS_INFO_TYPE_FS_MASK) != TSK_FS_INFO_TYPE_NTFS_TYPE) { tsk_fprintf(stderr, "-p works only with NTFS file systems\n"); fs->close(fs); img->close(img); exit(1); } else if (parinode > fs->last_inum) { tsk_fprintf(stderr, "Meta data %" PRIuINUM " is larger than last MFT entry in image (%" PRIuINUM ")\n", parinode, fs->last_inum); fs->close(fs); img->close(img); exit(1); } if (tsk_fs_ifind_par(fs, localflags, parinode)) { tsk_error_print(stderr); fs->close(fs); img->close(img); exit(1); } } else if (localflags & TSK_FS_IFIND_PATH) { int retval; INUM_T inum; if (-1 == (retval = tsk_fs_ifind_path(fs, localflags, path, &inum))) { tsk_error_print(stderr); fs->close(fs); img->close(img); free(path); exit(1); } free(path); if (retval == 1) tsk_printf("File not found\n"); else tsk_printf("%" PRIuINUM "\n", inum); } fs->close(fs); img->close(img); exit(0); }