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/* libguestfs - the guestfsd daemon
* Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "daemon.h"
#include "actions.h"
#include "optgroups.h"
static int
dosfslabel (const char *device, const char *label)
{
int r;
CLEANUP_FREE char *err = NULL;
r = command (NULL, &err, "dosfslabel", device, label, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
static int
xfslabel (const char *device, const char *label)
{
/* Don't allow the special value "---". If people want to clear
* the label we'll have to add another call to do that.
*/
if (STREQ (label, "---")) {
reply_with_error ("xfs: invalid new label");
return -1;
}
return xfs_set_label (device, label);
}
int
do_set_label (const mountable_t *mountable, const char *label)
{
int r;
/* How we set the label depends on the filesystem type. */
CLEANUP_FREE char *vfs_type = do_vfs_type (mountable);
if (vfs_type == NULL)
return -1;
if (STREQ (vfs_type, "btrfs"))
r = btrfs_set_label (mountable->device, label);
else if (STREQ (vfs_type, "msdos") ||
STREQ (vfs_type, "fat") ||
STREQ (vfs_type, "vfat"))
r = dosfslabel (mountable->device, label);
else if (fstype_is_extfs (vfs_type))
r = do_set_e2label (mountable->device, label);
else if (STREQ (vfs_type, "ntfs"))
r = ntfs_set_label (mountable->device, label);
else if (STREQ (vfs_type, "xfs"))
r = xfslabel (mountable->device, label);
else if (STREQ (vfs_type, "swap"))
r = swap_set_label (mountable->device, label);
else
NOT_SUPPORTED (-1, "don't know how to set the label for '%s' filesystems",
vfs_type);
return r;
}
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