413 lines
9.7 KiB
C
413 lines
9.7 KiB
C
/**
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* ntfsls - Part of the Linux-NTFS project.
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*
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* Copyright (c) 2003 Lode Leroy
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* Copyright (c) 2003 Anton Altaparmakov
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* Copyright (c) 2003 Richard Russon
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*
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* This utility will list a directory's files.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (in the main directory of the Linux-NTFS
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* distribution in the file COPYING); if not, write to the Free Software
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* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <getopt.h>
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#include <string.h>
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#include "types.h"
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#include "mft.h"
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#include "attrib.h"
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#include "layout.h"
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#include "inode.h"
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#include "utils.h"
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#include "dir.h"
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static const char *EXEC_NAME = "ntfsls";
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static struct options {
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char *device; /* Device/File to work with */
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int quiet; /* Less output */
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int verbose; /* Extra output */
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int force; /* Override common sense */
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int all;
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int system;
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int dos;
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int lng;
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int inode;
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int classify;
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char *path;
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} opts;
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GEN_PRINTF(Eprintf, stderr, NULL, FALSE)
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GEN_PRINTF(Vprintf, stdout, &opts.verbose, TRUE)
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GEN_PRINTF(Qprintf, stdout, &opts.quiet, FALSE)
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/**
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* version - Print version information about the program
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*
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* Print a copyright statement and a brief description of the program.
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*
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* Return: none
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*/
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void version(void)
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{
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printf("\n%s v%s - Display information about an NTFS Volume.\n\n",
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EXEC_NAME, VERSION);
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printf("Copyright (c) 2003 Lode Leroy\n");
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printf("Copyright (c) 2003 Anton Altaparmakov\n");
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printf("Copyright (c) 2003 Richard Russon\n");
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printf("\n%s\n%s%s\n", ntfs_gpl, ntfs_bugs, ntfs_home);
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}
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/**
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* usage - Print a list of the parameters to the program
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*
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* Print a list of the parameters and options for the program.
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*
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* Return: none
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*/
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void usage(void)
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{
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printf("\nUsage: %s [options] -d /dev/hda1\n"
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"\n"
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" -a --all Display all files\n"
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" -d DEVICE --device DEVICE NTFS volume\n"
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" -F --classify Display classification\n"
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" -f --force Use less caution\n"
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" -h -? --help Display this help\n"
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" -i --inode Display inode numbers\n"
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" -l --long Display long info\n"
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" -p PATH --path PATH Directory whose contents to list\n"
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" -q --quiet Less output\n"
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" -s --system Display system files\n"
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" -V --version Display version information\n"
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" -v --verbose More output\n"
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" -x --dos Use short (DOS 8.3) names\n"
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"\n",
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EXEC_NAME);
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printf("%s%s\n", ntfs_bugs, ntfs_home);
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}
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/**
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* parse_options - Read and validate the programs command line
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*
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* Read the command line, verify the syntax and parse the options.
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* This function is very long, but quite simple.
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*
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* Return: 1 Success
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* 0 Error, one or more problems
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*/
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int parse_options(int argc, char *argv[])
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{
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static const char *sopt = "-ad:Ffh?ilp:qsVvx";
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static const struct option lopt[] = {
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{ "all", no_argument, NULL, 'a' },
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{ "device", required_argument, NULL, 'd' },
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{ "classify", no_argument, NULL, 'F' },
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{ "force", no_argument, NULL, 'f' },
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{ "help", no_argument, NULL, 'h' },
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{ "inode", no_argument, NULL, 'i' },
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{ "long", no_argument, NULL, 'l' },
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{ "path", required_argument, NULL, 'p' },
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{ "quiet", no_argument, NULL, 'q' },
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{ "system", no_argument, NULL, 's' },
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{ "version", no_argument, NULL, 'V' },
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{ "verbose", no_argument, NULL, 'v' },
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{ "dos", no_argument, NULL, 'x' },
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{ NULL, 0, NULL, 0 },
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};
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char c = -1;
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int err = 0;
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int ver = 0;
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int help = 0;
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opterr = 0; /* We'll handle the errors, thank you. */
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memset(&opts, 0, sizeof(opts));
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opts.device = NULL;
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opts.path = "/";
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while ((c = getopt_long(argc, argv, sopt, lopt, NULL)) != (char)-1) {
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switch (c) {
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case 'd':
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opts.device = optarg;
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break;
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case 'p':
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opts.path = optarg;
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break;
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case 'f':
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opts.force++;
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break;
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case 'h':
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case '?':
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help++;
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break;
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case 'q':
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opts.quiet++;
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break;
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case 'v':
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opts.verbose++;
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break;
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case 'V':
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ver++;
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break;
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case 'x':
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opts.dos = 1;
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break;
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case 'l':
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opts.lng++;
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break;
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case 'i':
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opts.inode++;
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break;
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case 'F':
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opts.classify++;
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break;
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case 'a':
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opts.all++;
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break;
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case 's':
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opts.system++;
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break;
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default:
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Eprintf("Unknown option '%s'.\n", argv[optind - 1]);
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err++;
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break;
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}
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}
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if (help || ver)
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opts.quiet = 0;
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else {
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if (opts.device == NULL) {
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if (argc > 1)
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Eprintf("You must specify exactly one "
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"device.\n");
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err++;
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}
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if (opts.quiet && opts.verbose) {
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Eprintf("You may not use --quiet and --verbose at the "
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"same time.\n");
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err++;
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}
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}
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if (ver)
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version();
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if (help || err)
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usage();
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return (!err && !help && !ver);
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}
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typedef struct {
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ntfs_volume *vol;
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} ntfsls_dirent;
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/**
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* list_entry
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* FIXME: Should we print errors as we go along? (AIA)
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*/
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int list_entry(ntfsls_dirent *dirent, const uchar_t *name,
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const int name_len, const int name_type, const s64 pos,
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const MFT_REF mref, const unsigned dt_type)
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{
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char *filename = NULL;
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int result = 0;
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filename = calloc (1, MAX_PATH);
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if (!filename)
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return -1;
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if (ntfs_ucstombs (name, name_len, &filename, MAX_PATH) < 0) {
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Eprintf ("Cannot represent filename in current locale.\n");
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goto free;
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}
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result = 0; // These are successful
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if ((filename[0] == '$') && (!opts.system))
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goto free;
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if (name_type == FILE_NAME_POSIX && !opts.all)
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goto free;
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if (((name_type & FILE_NAME_WIN32_AND_DOS) == FILE_NAME_WIN32) &&
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opts.dos)
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goto free;
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if (((name_type & FILE_NAME_WIN32_AND_DOS) == FILE_NAME_DOS) &&
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!opts.dos)
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goto free;
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if (dt_type == NTFS_DT_DIR && opts.classify)
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sprintf(filename + strlen(filename), "/");
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if (!opts.lng) {
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if (!opts.inode)
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printf("%s\n", filename);
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else
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printf("%7llu %s\n", (unsigned long long)MREF(mref),
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filename);
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result = 0;
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} else {
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s64 filesize = 0;
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ntfs_inode *ni;
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ntfs_attr_search_ctx *ctx = NULL;
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FILE_NAME_ATTR *file_name_attr;
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ATTR_RECORD *attr;
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time_t ntfs_time;
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char t_buf[26];
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result = -1; // Everything else is bad
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ni = ntfs_inode_open(dirent->vol, mref);
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if (!ni)
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goto release;
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ctx = ntfs_attr_get_search_ctx(ni, ni->mrec);
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if (!ctx)
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goto release;
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if (ntfs_attr_lookup(AT_FILE_NAME, AT_UNNAMED, 0, 0, 0, NULL,
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0, ctx))
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goto release;
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attr = ctx->attr;
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file_name_attr = (FILE_NAME_ATTR *)((char *)attr +
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le16_to_cpu(attr->value_offset));
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if (!file_name_attr)
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goto release;
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ntfs_time = ntfs2utc(sle64_to_cpu(
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file_name_attr->last_data_change_time));
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strcpy(t_buf, ctime(&ntfs_time));
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t_buf[16] = '\0';
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if (dt_type != NTFS_DT_DIR) {
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if (!ntfs_attr_lookup(AT_DATA, AT_UNNAMED, 0, 0, 0,
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NULL, 0, ctx))
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filesize = ntfs_get_attribute_value_length(
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ctx->attr);
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}
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if (opts.inode)
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printf("%7llu %8lld %s %s\n",
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(unsigned long long)MREF(mref),
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(long long)filesize, t_buf + 4,
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filename);
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else
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printf("%8lld %s %s\n", (long long)filesize, t_buf + 4,
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filename);
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result = 0;
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release:
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/* Release atrtibute search context and close the inode. */
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if (ctx)
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ntfs_attr_put_search_ctx(ctx);
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if (ni)
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ntfs_inode_close(ni);
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}
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free:
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free (filename);
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return result;
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}
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/**
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* main - Begin here
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*
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* Start from here.
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*
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* Return: 0 Success, the program worked
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* 1 Error, parsing mount options failed
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* 2 Error, mount attempt failed
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* 3 Error, failed to open root directory
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* 4 Error, failed to open directory in search path
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*/
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int main(int argc, char **argv)
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{
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s64 pos;
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ntfs_volume *vol;
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ntfs_inode *ni;
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ntfsls_dirent dirent;
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if (!parse_options(argc, argv)) {
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// FIXME: Print error... (AIA)
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return 1;
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}
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utils_set_locale();
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vol = utils_mount_volume(opts.device, MS_RDONLY, opts.force);
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if (!vol) {
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// FIXME: Print error... (AIA)
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return 2;
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}
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ni = utils_pathname_to_inode (vol, NULL, opts.path);
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if (!ni) {
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// FIXME: Print error... (AIA)
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ntfs_umount(vol, FALSE);
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return 3;
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}
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/*
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* We now are at the final path component. If it is a file just
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* list it. If it is a directory, list its contents.
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*/
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pos = 0;
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memset(&dirent, 0, sizeof(dirent));
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dirent.vol = vol;
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if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY) {
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ntfs_readdir(ni, &pos, &dirent, (ntfs_filldir_t)list_entry);
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// FIXME: error checking... (AIA)
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} else {
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ATTR_RECORD *rec;
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FILE_NAME_ATTR *attr;
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ntfs_attr_search_ctx *ctx;
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int space = 4;
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uchar_t *name = NULL;
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int name_len = 0;;
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ctx = ntfs_attr_get_search_ctx (NULL, ni->mrec);
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if (!ctx)
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return -1;
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while ((rec = find_attribute (AT_FILE_NAME, ctx))) {
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/* We know this will always be resident. */
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attr = (FILE_NAME_ATTR *) ((char *) rec + le16_to_cpu (rec->value_offset));
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if (attr->file_name_type < space) {
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name = attr->file_name;
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name_len = attr->file_name_length;
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space = attr->file_name_type;
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}
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}
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list_entry(&dirent, name, name_len, space, pos, ni->mft_no, NTFS_DT_REG);
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// FIXME: error checking... (AIA)
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ntfs_attr_put_search_ctx(ctx);
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}
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/* Finished with the inode; release it. */
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ntfs_inode_close(ni);
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ntfs_umount(vol, FALSE);
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return 0;
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}
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