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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009-2010 Red Hat Inc.
*
* 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
#include "daemon.h"
#include "actions.h"
#include "optgroups.h"
int
optgroup_ntfs3g_available (void)
{
return prog_exists ("ntfs-3g.probe");
}
int
optgroup_ntfsprogs_available (void)
{
return prog_exists ("ntfsresize");
}
int
do_ntfs_3g_probe (int rw, const char *device)
{
char *err;
int r;
const char *rw_flag;
rw_flag = rw ? "-w" : "-r";
r = commandr (NULL, &err, "ntfs-3g.probe", rw_flag, device, NULL);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
free (err);
return -1;
}
free (err);
return r;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_ntfsresize_opts (const char *device, int64_t size, int force)
{
char *err;
int r;
const char *argv[16];
size_t i = 0;
char size_str[32];
argv[i++] = "ntfsresize";
argv[i++] = "-P";
if (optargs_bitmask & GUESTFS_NTFSRESIZE_OPTS_SIZE_BITMASK) {
if (size <= 0) {
reply_with_error ("size is zero or negative");
return -1;
}
snprintf (size_str, sizeof size_str, "%" PRIi64, size);
argv[i++] = "--size";
argv[i++] = size_str;
}
if (optargs_bitmask & GUESTFS_NTFSRESIZE_OPTS_FORCE_BITMASK && force)
argv[i++] = "--force";
argv[i++] = device;
argv[i++] = NULL;
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
free (err);
return -1;
}
free (err);
return 0;
}
int
do_ntfsresize (const char *device)
{
return do_ntfsresize_opts (device, 0, 0);
}
int
do_ntfsresize_size (const char *device, int64_t size)
{
optargs_bitmask = GUESTFS_NTFSRESIZE_OPTS_SIZE_BITMASK;
return do_ntfsresize_opts (device, size, 0);
}
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