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Diffstat (limited to 'usr/src/cmd/ntfsprogs/ntfslabel.c')
-rw-r--r--usr/src/cmd/ntfsprogs/ntfslabel.c412
1 files changed, 0 insertions, 412 deletions
diff --git a/usr/src/cmd/ntfsprogs/ntfslabel.c b/usr/src/cmd/ntfsprogs/ntfslabel.c
deleted file mode 100644
index 6c753015a9..0000000000
--- a/usr/src/cmd/ntfsprogs/ntfslabel.c
+++ /dev/null
@@ -1,412 +0,0 @@
-/**
- * ntfslabel - Part of the Linux-NTFS project.
- *
- * Copyright (c) 2002 Matthew J. Fanto
- * Copyright (c) 2002-2005 Anton Altaparmakov
- * Copyright (c) 2002-2003 Richard Russon
- *
- * This utility will display/change the label on an NTFS partition.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (in the main directory of the Linux-NTFS
- * distribution in the file COPYING); if not, write to the Free Software
- * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "config.h"
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_STDIO_H
-#include <stdio.h>
-#endif
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-
-#include "compat.h"
-#include "debug.h"
-#include "mft.h"
-#include "utils.h"
-#include "version.h"
-#include "logging.h"
-
-static const char *EXEC_NAME = "ntfslabel";
-
-static struct options {
- char *device; /* Device/File to work with */
- char *label; /* Set the label to this */
- int quiet; /* Less output */
- int verbose; /* Extra output */
- int force; /* Override common sense */
- int noaction; /* Do not write to disk */
-} opts;
-
-/**
- * version - Print version information about the program
- *
- * Print a copyright statement and a brief description of the program.
- *
- * Return: none
- */
-static void version(void)
-{
- ntfs_log_info("\n%s v%s (libntfs %s) - Display, or set, the label for an "
- "NTFS Volume.\n\n", EXEC_NAME, VERSION,
- ntfs_libntfs_version());
- ntfs_log_info("Copyright (c)\n");
- ntfs_log_info(" 2002 Matthew J. Fanto\n");
- ntfs_log_info(" 2002-2005 Anton Altaparmakov\n");
- ntfs_log_info(" 2002-2003 Richard Russon\n");
- ntfs_log_info("\n%s\n%s%s\n", ntfs_gpl, ntfs_bugs, ntfs_home);
-}
-
-/**
- * usage - Print a list of the parameters to the program
- *
- * Print a list of the parameters and options for the program.
- *
- * Return: none
- */
-static void usage(void)
-{
- ntfs_log_info("\nUsage: %s [options] device [label]\n"
- " -n, --no-action Do not write to disk\n"
- " -f, --force Use less caution\n"
- " -q, --quiet Less output\n"
- " -v, --verbose More output\n"
- " -V, --version Display version information\n"
- " -h, --help Display this help\n\n",
- EXEC_NAME);
- ntfs_log_info("%s%s\n", ntfs_bugs, ntfs_home);
-}
-
-/**
- * parse_options - Read and validate the programs command line
- *
- * Read the command line, verify the syntax and parse the options.
- * This function is very long, but quite simple.
- *
- * Return: 1 Success
- * 0 Error, one or more problems
- */
-static int parse_options(int argc, char *argv[])
-{
- static const char *sopt = "-fh?nqvV";
- static const struct option lopt[] = {
- { "force", no_argument, NULL, 'f' },
- { "help", no_argument, NULL, 'h' },
- { "no-action", no_argument, NULL, 'n' },
- { "quiet", no_argument, NULL, 'q' },
- { "verbose", no_argument, NULL, 'v' },
- { "version", no_argument, NULL, 'V' },
- { NULL, 0, NULL, 0 },
- };
-
- int c = -1;
- int err = 0;
- int ver = 0;
- int help = 0;
- int levels = 0;
-
- opterr = 0; /* We'll handle the errors, thank you. */
-
- while ((c = getopt_long(argc, argv, sopt, lopt, NULL)) != -1) {
- switch (c) {
- case 1: /* A non-option argument */
- if (!err && !opts.device)
- opts.device = argv[optind-1];
- else if (!err && !opts.label)
- opts.label = argv[optind-1];
- else
- err++;
- break;
- case 'f':
- opts.force++;
- break;
- case 'h':
- case '?':
- if (strncmp (argv[optind-1], "--log-", 6) == 0) {
- if (!ntfs_log_parse_option (argv[optind-1]))
- err++;
- break;
- }
- help++;
- break;
- case 'n':
- opts.noaction++;
- break;
- case 'q':
- opts.quiet++;
- ntfs_log_clear_levels(NTFS_LOG_LEVEL_QUIET);
- break;
- case 'v':
- opts.verbose++;
- ntfs_log_set_levels(NTFS_LOG_LEVEL_VERBOSE);
- break;
- case 'V':
- ver++;
- break;
- default:
- ntfs_log_error("Unknown option '%s'.\n", argv[optind-1]);
- err++;
- break;
- }
- }
-
- /* Make sure we're in sync with the log levels */
- levels = ntfs_log_get_levels();
- if (levels & NTFS_LOG_LEVEL_VERBOSE)
- opts.verbose++;
- if (!(levels & NTFS_LOG_LEVEL_QUIET))
- opts.quiet++;
-
- if (help || ver) {
- opts.quiet = 0;
- } else {
- if (opts.device == NULL) {
- if (argc > 1)
- ntfs_log_error("You must specify a device.\n");
- err++;
- }
-
- if (opts.quiet && opts.verbose) {
- ntfs_log_error("You may not use --quiet and --verbose at "
- "the same time.\n");
- err++;
- }
- }
-
- if (ver)
- version();
- if (help || err)
- usage();
-
- return (!err && !help && !ver);
-}
-
-
-/**
- * print_label - display the current label of a mounted ntfs partition.
- * @dev: device to read the label from
- * @mnt_flags: mount flags of the device or 0 if not mounted
- * @mnt_point: mount point of the device or NULL
- *
- * Print the label of the device @dev.
- */
-static int print_label(ntfs_volume *vol, unsigned long mnt_flags)
-{
- int result = 0;
- //XXX significant?
- if ((mnt_flags & (NTFS_MF_MOUNTED | NTFS_MF_READONLY)) ==
- NTFS_MF_MOUNTED) {
- ntfs_log_error("%s is mounted read-write, results may be "
- "unreliable.\n", opts.device);
- result = 1;
- }
-
- ntfs_log_info("%s\n", vol->vol_name);
- return result;
-}
-
-/**
- * resize_resident_attribute_value - resize a resident attribute
- * @m: mft record containing attribute to resize
- * @a: attribute record (inside @m) which to resize
- * @new_vsize: the new attribute value size to resize the attribute to
- *
- * Return 0 on success and -1 with errno = ENOSPC if not enough space in the
- * mft record.
- */
-static int resize_resident_attribute_value(MFT_RECORD *m, ATTR_RECORD *a,
- const u32 new_vsize)
-{
- int new_alen, new_muse;
-
- /* New attribute length and mft record bytes used. */
- new_alen = (le16_to_cpu(a->u.res.value_offset) + new_vsize + 7) & ~7;
- new_muse = le32_to_cpu(m->bytes_in_use) - le32_to_cpu(a->length) +
- new_alen;
- /* Check for sufficient space. */
- if ((u32)new_muse > le32_to_cpu(m->bytes_allocated)) {
- errno = ENOSPC;
- return -1;
- }
- /* Move attributes behind @a to their new location. */
- memmove((char*)a + new_alen, (char*)a + le32_to_cpu(a->length),
- le32_to_cpu(m->bytes_in_use) - ((char*)a - (char*)m) -
- le32_to_cpu(a->length));
- /* Adjust @m to reflect change in used space. */
- m->bytes_in_use = cpu_to_le32(new_muse);
- /* Adjust @a to reflect new value size. */
- a->length = cpu_to_le32(new_alen);
- a->u.res.value_length = cpu_to_le32(new_vsize);
- return 0;
-}
-
-/**
- * change_label - change the current label on a device
- * @dev: device to change the label on
- * @mnt_flags: mount flags of the device or 0 if not mounted
- * @mnt_point: mount point of the device or NULL
- * @label: the new label
- *
- * Change the label on the device @dev to @label.
- */
-static int change_label(ntfs_volume *vol, unsigned long mnt_flags, char *label, BOOL force)
-{
- ntfs_attr_search_ctx *ctx;
- ntfschar *new_label = NULL;
- ATTR_RECORD *a;
- int label_len;
- int result = 0;
-
- //XXX significant?
- if (mnt_flags & NTFS_MF_MOUNTED) {
- /* If not the root fs or mounted read/write, refuse change. */
- if (!(mnt_flags & NTFS_MF_ISROOT) ||
- !(mnt_flags & NTFS_MF_READONLY)) {
- if (!force) {
- ntfs_log_error("Refusing to change label on "
- "read-%s mounted device %s.\n",
- mnt_flags & NTFS_MF_READONLY ?
- "only" : "write", opts.device);
- return 1;
- }
- }
- }
- ctx = ntfs_attr_get_search_ctx(vol->vol_ni, NULL);
- if (!ctx) {
- ntfs_log_perror("Failed to get attribute search context");
- goto err_out;
- }
- if (ntfs_attr_lookup(AT_VOLUME_NAME, AT_UNNAMED, 0, 0, 0, NULL, 0,
- ctx)) {
- if (errno != ENOENT) {
- ntfs_log_perror("Lookup of $VOLUME_NAME attribute failed");
- goto err_out;
- }
- /* The volume name attribute does not exist. Need to add it. */
- a = NULL;
- } else {
- a = ctx->attr;
- if (a->non_resident) {
- ntfs_log_error("Error: Attribute $VOLUME_NAME must be "
- "resident.\n");
- goto err_out;
- }
- }
- label_len = ntfs_mbstoucs(label, &new_label, 0);
- if (label_len == -1) {
- ntfs_log_perror("Unable to convert label string to Unicode");
- goto err_out;
- }
- label_len *= sizeof(ntfschar);
- if (label_len > 0x100) {
- ntfs_log_error("New label is too long. Maximum %u characters "
- "allowed. Truncating excess characters.\n",
- (unsigned)(0x100 / sizeof(ntfschar)));
- label_len = 0x100;
- new_label[label_len / sizeof(ntfschar)] = 0;
- }
- if (a) {
- if (resize_resident_attribute_value(ctx->mrec, a, label_len)) {
- ntfs_log_perror("Error resizing resident attribute");
- goto err_out;
- }
- } else {
- /* sizeof(resident attribute record header) == 24 */
- int asize = (24 + label_len + 7) & ~7;
- u32 biu = le32_to_cpu(ctx->mrec->bytes_in_use);
- if (biu + asize > le32_to_cpu(ctx->mrec->bytes_allocated)) {
- errno = ENOSPC;
- ntfs_log_perror("Error adding resident attribute");
- goto err_out;
- }
- a = ctx->attr;
- memmove((u8*)a + asize, a, biu - ((u8*)a - (u8*)ctx->mrec));
- ctx->mrec->bytes_in_use = cpu_to_le32(biu + asize);
- a->type = AT_VOLUME_NAME;
- a->length = cpu_to_le32(asize);
- a->non_resident = 0;
- a->name_length = 0;
- a->name_offset = cpu_to_le16(24);
- a->flags = cpu_to_le16(0);
- a->instance = ctx->mrec->next_attr_instance;
- ctx->mrec->next_attr_instance = cpu_to_le16((le16_to_cpu(
- ctx->mrec->next_attr_instance) + 1) & 0xffff);
- a->u.res.value_length = cpu_to_le32(label_len);
- a->u.res.value_offset = a->name_offset;
- a->u.res.resident_flags = 0;
- a->u.res.reservedR = 0;
- }
- memcpy((u8*)a + le16_to_cpu(a->u.res.value_offset), new_label, label_len);
- if (!opts.noaction && ntfs_inode_sync(vol->vol_ni)) {
- ntfs_log_perror("Error writing MFT Record to disk");
- goto err_out;
- }
- result = 0;
-err_out:
- free(new_label);
- return result;
-}
-
-/**
- * main - Begin here
- *
- * Start from here.
- *
- * Return: 0 Success, the program worked
- * 1 Error, something went wrong
- */
-int main(int argc, char **argv)
-{
- unsigned long mnt_flags = 0;
- int result = 0;
- ntfs_volume *vol;
-
- ntfs_log_set_handler(ntfs_log_handler_outerr);
-
- if (!parse_options(argc, argv))
- return 1;
-
- utils_set_locale();
-
- if (!opts.label)
- opts.noaction++;
-
- vol = utils_mount_volume(opts.device,
- (opts.noaction ? NTFS_MNT_RDONLY : 0) |
- (opts.force ? NTFS_MNT_FORCE : 0));
- if (!vol)
- return 1;
-
- if (opts.label)
- result = change_label(vol, mnt_flags, opts.label, opts.force);
- else
- result = print_label(vol, mnt_flags);
-
- ntfs_umount(vol, FALSE);
- return result;
-}
-